diff --git a/camera/libcameraservice/Android.mk b/camera/libcameraservice/Android.mk
deleted file mode 100644
index df5c166..0000000
--- a/camera/libcameraservice/Android.mk
+++ /dev/null
@@ -1,71 +0,0 @@
-LOCAL_PATH:= $(call my-dir)
-
-#
-# Set USE_CAMERA_STUB for non-emulator and non-simulator builds, if you want
-# the camera service to use the fake camera.  For emulator or simulator builds,
-# we always use the fake camera.
-
-ifeq ($(USE_CAMERA_STUB),)
-USE_CAMERA_STUB:=false
-ifneq ($(filter sooner generic sim,$(TARGET_DEVICE)),)
-USE_CAMERA_STUB:=true
-endif #libcamerastub
-endif
-
-ifeq ($(USE_CAMERA_STUB),true)
-#
-# libcamerastub
-#
-
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES:=               \
-    CameraHardwareStub.cpp      \
-    FakeCamera.cpp
-
-LOCAL_MODULE:= libcamerastub
-
-ifeq ($(TARGET_SIMULATOR),true)
-LOCAL_CFLAGS += -DSINGLE_PROCESS
-endif
-
-LOCAL_SHARED_LIBRARIES:= libui
-
-include $(BUILD_STATIC_LIBRARY)
-endif # USE_CAMERA_STUB
-
-#
-# libcameraservice
-#
-
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES:=               \
-    CameraService.cpp
-
-LOCAL_SHARED_LIBRARIES:= \
-    libui \
-    libutils \
-    libbinder \
-    libcutils \
-    libmedia \
-    libcamera_client \
-    libsurfaceflinger_client
-
-LOCAL_MODULE:= libcameraservice
-
-LOCAL_CFLAGS += -DLOG_TAG=\"CameraService\"
-
-ifeq ($(TARGET_SIMULATOR),true)
-LOCAL_CFLAGS += -DSINGLE_PROCESS
-endif
-
-ifeq ($(USE_CAMERA_STUB), true)
-LOCAL_STATIC_LIBRARIES += libcamerastub
-LOCAL_CFLAGS += -include CameraHardwareStub.h
-else
-LOCAL_SHARED_LIBRARIES += libcamera 
-endif
-
-include $(BUILD_SHARED_LIBRARY)
-
diff --git a/camera/libcameraservice/CameraHardwareStub.cpp b/camera/libcameraservice/CameraHardwareStub.cpp
deleted file mode 100644
index 8b66389..0000000
--- a/camera/libcameraservice/CameraHardwareStub.cpp
+++ /dev/null
@@ -1,402 +0,0 @@
-/*
-**
-** Copyright 2008, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-**     http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
-*/
-
-#define LOG_TAG "CameraHardwareStub"
-#include <utils/Log.h>
-
-#include "CameraHardwareStub.h"
-#include <utils/threads.h>
-#include <fcntl.h>
-#include <sys/mman.h>
-
-#include "CannedJpeg.h"
-
-namespace android {
-
-CameraHardwareStub::CameraHardwareStub()
-                  : mParameters(),
-                    mPreviewHeap(0),
-                    mRawHeap(0),
-                    mFakeCamera(0),
-                    mPreviewFrameSize(0),
-                    mNotifyCb(0),
-                    mDataCb(0),
-                    mDataCbTimestamp(0),
-                    mCallbackCookie(0),
-                    mMsgEnabled(0),
-                    mCurrentPreviewFrame(0)
-{
-    initDefaultParameters();
-}
-
-void CameraHardwareStub::initDefaultParameters()
-{
-    CameraParameters p;
-
-    p.set("preview-size-values","320x240");
-    p.setPreviewSize(320, 240);
-    p.setPreviewFrameRate(15);
-    p.setPreviewFormat("yuv422sp");
-
-    p.set("picture-size-values", "320x240");
-    p.setPictureSize(320, 240);
-    p.setPictureFormat("jpeg");
-
-    if (setParameters(p) != NO_ERROR) {
-        LOGE("Failed to set default parameters?!");
-    }
-}
-
-void CameraHardwareStub::initHeapLocked()
-{
-    // Create raw heap.
-    int picture_width, picture_height;
-    mParameters.getPictureSize(&picture_width, &picture_height);
-    mRawHeap = new MemoryHeapBase(picture_width * 2 * picture_height);
-
-    int preview_width, preview_height;
-    mParameters.getPreviewSize(&preview_width, &preview_height);
-    LOGD("initHeapLocked: preview size=%dx%d", preview_width, preview_height);
-
-    // Note that we enforce yuv422 in setParameters().
-    int how_big = preview_width * preview_height * 2;
-
-    // If we are being reinitialized to the same size as before, no
-    // work needs to be done.
-    if (how_big == mPreviewFrameSize)
-        return;
-
-    mPreviewFrameSize = how_big;
-
-    // Make a new mmap'ed heap that can be shared across processes.
-    // use code below to test with pmem
-    mPreviewHeap = new MemoryHeapBase(mPreviewFrameSize * kBufferCount);
-    // Make an IMemory for each frame so that we can reuse them in callbacks.
-    for (int i = 0; i < kBufferCount; i++) {
-        mBuffers[i] = new MemoryBase(mPreviewHeap, i * mPreviewFrameSize, mPreviewFrameSize);
-    }
-
-    // Recreate the fake camera to reflect the current size.
-    delete mFakeCamera;
-    mFakeCamera = new FakeCamera(preview_width, preview_height);
-}
-
-CameraHardwareStub::~CameraHardwareStub()
-{
-    delete mFakeCamera;
-    mFakeCamera = 0; // paranoia
-    singleton.clear();
-}
-
-sp<IMemoryHeap> CameraHardwareStub::getPreviewHeap() const
-{
-    return mPreviewHeap;
-}
-
-sp<IMemoryHeap> CameraHardwareStub::getRawHeap() const
-{
-    return mRawHeap;
-}
-
-void CameraHardwareStub::setCallbacks(notify_callback notify_cb,
-                                      data_callback data_cb,
-                                      data_callback_timestamp data_cb_timestamp,
-                                      void* user)
-{
-    Mutex::Autolock lock(mLock);
-    mNotifyCb = notify_cb;
-    mDataCb = data_cb;
-    mDataCbTimestamp = data_cb_timestamp;
-    mCallbackCookie = user;
-}
-
-void CameraHardwareStub::enableMsgType(int32_t msgType)
-{
-    Mutex::Autolock lock(mLock);
-    mMsgEnabled |= msgType;
-}
-
-void CameraHardwareStub::disableMsgType(int32_t msgType)
-{
-    Mutex::Autolock lock(mLock);
-    mMsgEnabled &= ~msgType;
-}
-
-bool CameraHardwareStub::msgTypeEnabled(int32_t msgType)
-{
-    Mutex::Autolock lock(mLock);
-    return (mMsgEnabled & msgType);
-}
-
-// ---------------------------------------------------------------------------
-
-int CameraHardwareStub::previewThread()
-{
-    mLock.lock();
-        // the attributes below can change under our feet...
-
-        int previewFrameRate = mParameters.getPreviewFrameRate();
-
-        // Find the offset within the heap of the current buffer.
-        ssize_t offset = mCurrentPreviewFrame * mPreviewFrameSize;
-
-        sp<MemoryHeapBase> heap = mPreviewHeap;
-
-        // this assumes the internal state of fake camera doesn't change
-        // (or is thread safe)
-        FakeCamera* fakeCamera = mFakeCamera;
-
-        sp<MemoryBase> buffer = mBuffers[mCurrentPreviewFrame];
-
-    mLock.unlock();
-
-    // TODO: here check all the conditions that could go wrong
-    if (buffer != 0) {
-        // Calculate how long to wait between frames.
-        int delay = (int)(1000000.0f / float(previewFrameRate));
-
-        // This is always valid, even if the client died -- the memory
-        // is still mapped in our process.
-        void *base = heap->base();
-
-        // Fill the current frame with the fake camera.
-        uint8_t *frame = ((uint8_t *)base) + offset;
-        fakeCamera->getNextFrameAsYuv422(frame);
-
-        //LOGV("previewThread: generated frame to buffer %d", mCurrentPreviewFrame);
-
-        // Notify the client of a new frame.
-        if (mMsgEnabled & CAMERA_MSG_PREVIEW_FRAME)
-            mDataCb(CAMERA_MSG_PREVIEW_FRAME, buffer, mCallbackCookie);
-
-        // Advance the buffer pointer.
-        mCurrentPreviewFrame = (mCurrentPreviewFrame + 1) % kBufferCount;
-
-        // Wait for it...
-        usleep(delay);
-    }
-
-    return NO_ERROR;
-}
-
-status_t CameraHardwareStub::startPreview()
-{
-    Mutex::Autolock lock(mLock);
-    if (mPreviewThread != 0) {
-        // already running
-        return INVALID_OPERATION;
-    }
-    mPreviewThread = new PreviewThread(this);
-    return NO_ERROR;
-}
-
-void CameraHardwareStub::stopPreview()
-{
-    sp<PreviewThread> previewThread;
-
-    { // scope for the lock
-        Mutex::Autolock lock(mLock);
-        previewThread = mPreviewThread;
-    }
-
-    // don't hold the lock while waiting for the thread to quit
-    if (previewThread != 0) {
-        previewThread->requestExitAndWait();
-    }
-
-    Mutex::Autolock lock(mLock);
-    mPreviewThread.clear();
-}
-
-bool CameraHardwareStub::previewEnabled() {
-    return mPreviewThread != 0;
-}
-
-status_t CameraHardwareStub::startRecording()
-{
-    return UNKNOWN_ERROR;
-}
-
-void CameraHardwareStub::stopRecording()
-{
-}
-
-bool CameraHardwareStub::recordingEnabled()
-{
-    return false;
-}
-
-void CameraHardwareStub::releaseRecordingFrame(const sp<IMemory>& mem)
-{
-}
-
-// ---------------------------------------------------------------------------
-
-int CameraHardwareStub::beginAutoFocusThread(void *cookie)
-{
-    CameraHardwareStub *c = (CameraHardwareStub *)cookie;
-    return c->autoFocusThread();
-}
-
-int CameraHardwareStub::autoFocusThread()
-{
-    if (mMsgEnabled & CAMERA_MSG_FOCUS)
-        mNotifyCb(CAMERA_MSG_FOCUS, true, 0, mCallbackCookie);
-    return NO_ERROR;
-}
-
-status_t CameraHardwareStub::autoFocus()
-{
-    Mutex::Autolock lock(mLock);
-    if (createThread(beginAutoFocusThread, this) == false)
-        return UNKNOWN_ERROR;
-    return NO_ERROR;
-}
-
-status_t CameraHardwareStub::cancelAutoFocus()
-{
-    return NO_ERROR;
-}
-
-/*static*/ int CameraHardwareStub::beginPictureThread(void *cookie)
-{
-    CameraHardwareStub *c = (CameraHardwareStub *)cookie;
-    return c->pictureThread();
-}
-
-int CameraHardwareStub::pictureThread()
-{
-    if (mMsgEnabled & CAMERA_MSG_SHUTTER)
-        mNotifyCb(CAMERA_MSG_SHUTTER, 0, 0, mCallbackCookie);
-
-    if (mMsgEnabled & CAMERA_MSG_RAW_IMAGE) {
-        //FIXME: use a canned YUV image!
-        // In the meantime just make another fake camera picture.
-        int w, h;
-        mParameters.getPictureSize(&w, &h);
-        sp<MemoryBase> mem = new MemoryBase(mRawHeap, 0, w * 2 * h);
-        FakeCamera cam(w, h);
-        cam.getNextFrameAsYuv422((uint8_t *)mRawHeap->base());
-        mDataCb(CAMERA_MSG_RAW_IMAGE, mem, mCallbackCookie);
-    }
-
-    if (mMsgEnabled & CAMERA_MSG_COMPRESSED_IMAGE) {
-        sp<MemoryHeapBase> heap = new MemoryHeapBase(kCannedJpegSize);
-        sp<MemoryBase> mem = new MemoryBase(heap, 0, kCannedJpegSize);
-        memcpy(heap->base(), kCannedJpeg, kCannedJpegSize);
-        mDataCb(CAMERA_MSG_COMPRESSED_IMAGE, mem, mCallbackCookie);
-    }
-    return NO_ERROR;
-}
-
-status_t CameraHardwareStub::takePicture()
-{
-    stopPreview();
-    if (createThread(beginPictureThread, this) == false)
-        return -1;
-    return NO_ERROR;
-}
-
-status_t CameraHardwareStub::cancelPicture()
-{
-    return NO_ERROR;
-}
-
-status_t CameraHardwareStub::dump(int fd, const Vector<String16>& args) const
-{
-    const size_t SIZE = 256;
-    char buffer[SIZE];
-    String8 result;
-    AutoMutex lock(&mLock);
-    if (mFakeCamera != 0) {
-        mFakeCamera->dump(fd);
-        mParameters.dump(fd, args);
-        snprintf(buffer, 255, " preview frame(%d), size (%d), running(%s)\n", mCurrentPreviewFrame, mPreviewFrameSize, mPreviewRunning?"true": "false");
-        result.append(buffer);
-    } else {
-        result.append("No camera client yet.\n");
-    }
-    write(fd, result.string(), result.size());
-    return NO_ERROR;
-}
-
-status_t CameraHardwareStub::setParameters(const CameraParameters& params)
-{
-    Mutex::Autolock lock(mLock);
-    // XXX verify params
-
-    if (strcmp(params.getPreviewFormat(), "yuv422sp") != 0) {
-        LOGE("Only yuv422sp preview is supported");
-        return -1;
-    }
-
-    if (strcmp(params.getPictureFormat(), "jpeg") != 0) {
-        LOGE("Only jpeg still pictures are supported");
-        return -1;
-    }
-
-    int w, h;
-    params.getPictureSize(&w, &h);
-    if (w != kCannedJpegWidth && h != kCannedJpegHeight) {
-        LOGE("Still picture size must be size of canned JPEG (%dx%d)",
-             kCannedJpegWidth, kCannedJpegHeight);
-        return -1;
-    }
-
-    mParameters = params;
-    initHeapLocked();
-
-    return NO_ERROR;
-}
-
-CameraParameters CameraHardwareStub::getParameters() const
-{
-    Mutex::Autolock lock(mLock);
-    return mParameters;
-}
-
-status_t CameraHardwareStub::sendCommand(int32_t command, int32_t arg1,
-                                         int32_t arg2)
-{
-    return BAD_VALUE;
-}
-
-void CameraHardwareStub::release()
-{
-}
-
-wp<CameraHardwareInterface> CameraHardwareStub::singleton;
-
-sp<CameraHardwareInterface> CameraHardwareStub::createInstance()
-{
-    if (singleton != 0) {
-        sp<CameraHardwareInterface> hardware = singleton.promote();
-        if (hardware != 0) {
-            return hardware;
-        }
-    }
-    sp<CameraHardwareInterface> hardware(new CameraHardwareStub());
-    singleton = hardware;
-    return hardware;
-}
-
-extern "C" sp<CameraHardwareInterface> openCameraHardware()
-{
-    return CameraHardwareStub::createInstance();
-}
-
-}; // namespace android
diff --git a/camera/libcameraservice/CameraHardwareStub.h b/camera/libcameraservice/CameraHardwareStub.h
deleted file mode 100644
index 957813a..0000000
--- a/camera/libcameraservice/CameraHardwareStub.h
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
-**
-** Copyright 2008, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-**     http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
-*/
-
-#ifndef ANDROID_HARDWARE_CAMERA_HARDWARE_STUB_H
-#define ANDROID_HARDWARE_CAMERA_HARDWARE_STUB_H
-
-#include "FakeCamera.h"
-#include <utils/threads.h>
-#include <camera/CameraHardwareInterface.h>
-#include <binder/MemoryBase.h>
-#include <binder/MemoryHeapBase.h>
-#include <utils/threads.h>
-
-namespace android {
-
-class CameraHardwareStub : public CameraHardwareInterface {
-public:
-    virtual sp<IMemoryHeap> getPreviewHeap() const;
-    virtual sp<IMemoryHeap> getRawHeap() const;
-
-    virtual void        setCallbacks(notify_callback notify_cb,
-                                     data_callback data_cb,
-                                     data_callback_timestamp data_cb_timestamp,
-                                     void* user);
-
-    virtual void        enableMsgType(int32_t msgType);
-    virtual void        disableMsgType(int32_t msgType);
-    virtual bool        msgTypeEnabled(int32_t msgType);
-
-    virtual status_t    startPreview();
-    virtual void        stopPreview();
-    virtual bool        previewEnabled();
-
-    virtual status_t    startRecording();
-    virtual void        stopRecording();
-    virtual bool        recordingEnabled();
-    virtual void        releaseRecordingFrame(const sp<IMemory>& mem);
-
-    virtual status_t    autoFocus();
-    virtual status_t    cancelAutoFocus();
-    virtual status_t    takePicture();
-    virtual status_t    cancelPicture();
-    virtual status_t    dump(int fd, const Vector<String16>& args) const;
-    virtual status_t    setParameters(const CameraParameters& params);
-    virtual CameraParameters  getParameters() const;
-    virtual status_t    sendCommand(int32_t command, int32_t arg1,
-                                    int32_t arg2);
-    virtual void release();
-
-    static sp<CameraHardwareInterface> createInstance();
-
-private:
-                        CameraHardwareStub();
-    virtual             ~CameraHardwareStub();
-
-    static wp<CameraHardwareInterface> singleton;
-
-    static const int kBufferCount = 4;
-
-    class PreviewThread : public Thread {
-        CameraHardwareStub* mHardware;
-    public:
-        PreviewThread(CameraHardwareStub* hw) :
-#ifdef SINGLE_PROCESS
-            // In single process mode this thread needs to be a java thread,
-            // since we won't be calling through the binder.
-            Thread(true),
-#else
-            Thread(false),
-#endif
-              mHardware(hw) { }
-        virtual void onFirstRef() {
-            run("CameraPreviewThread", PRIORITY_URGENT_DISPLAY);
-        }
-        virtual bool threadLoop() {
-            mHardware->previewThread();
-            // loop until we need to quit
-            return true;
-        }
-    };
-
-    void initDefaultParameters();
-    void initHeapLocked();
-
-    int previewThread();
-
-    static int beginAutoFocusThread(void *cookie);
-    int autoFocusThread();
-
-    static int beginPictureThread(void *cookie);
-    int pictureThread();
-
-    mutable Mutex       mLock;
-
-    CameraParameters    mParameters;
-
-    sp<MemoryHeapBase>  mPreviewHeap;
-    sp<MemoryHeapBase>  mRawHeap;
-    sp<MemoryBase>      mBuffers[kBufferCount];
-
-    FakeCamera          *mFakeCamera;
-    bool                mPreviewRunning;
-    int                 mPreviewFrameSize;
-
-    // protected by mLock
-    sp<PreviewThread>   mPreviewThread;
-
-    notify_callback    mNotifyCb;
-    data_callback      mDataCb;
-    data_callback_timestamp mDataCbTimestamp;
-    void               *mCallbackCookie;
-
-    int32_t             mMsgEnabled;
-
-    // only used from PreviewThread
-    int                 mCurrentPreviewFrame;
-};
-
-}; // namespace android
-
-#endif
diff --git a/camera/libcameraservice/CameraService.cpp b/camera/libcameraservice/CameraService.cpp
deleted file mode 100644
index 2690182..0000000
--- a/camera/libcameraservice/CameraService.cpp
+++ /dev/null
@@ -1,1418 +0,0 @@
-/*
-**
-** Copyright (C) 2008, The Android Open Source Project
-** Copyright (C) 2008 HTC Inc.
-**
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-**     http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
-*/
-
-#define LOG_TAG "CameraService"
-#include <utils/Log.h>
-
-#include <binder/IServiceManager.h>
-#include <binder/IPCThreadState.h>
-#include <utils/String16.h>
-#include <utils/Errors.h>
-#include <binder/MemoryBase.h>
-#include <binder/MemoryHeapBase.h>
-#include <camera/ICameraService.h>
-#include <surfaceflinger/ISurface.h>
-#include <ui/Overlay.h>
-
-#include <hardware/hardware.h>
-
-#include <media/mediaplayer.h>
-#include <media/AudioSystem.h>
-#include "CameraService.h"
-
-#include <cutils/atomic.h>
-
-namespace android {
-
-extern "C" {
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <pthread.h>
-#include <signal.h>
-}
-
-// When you enable this, as well as DEBUG_REFS=1 and
-// DEBUG_REFS_ENABLED_BY_DEFAULT=0 in libutils/RefBase.cpp, this will track all
-// references to the CameraService::Client in order to catch the case where the
-// client is being destroyed while a callback from the CameraHardwareInterface
-// is outstanding.  This is a serious bug because if we make another call into
-// CameraHardwreInterface that itself triggers a callback, we will deadlock.
-
-#define DEBUG_CLIENT_REFERENCES 0
-
-#define PICTURE_TIMEOUT seconds(5)
-
-#define DEBUG_DUMP_PREVIEW_FRAME_TO_FILE 0 /* n-th frame to write */
-#define DEBUG_DUMP_JPEG_SNAPSHOT_TO_FILE 0
-#define DEBUG_DUMP_YUV_SNAPSHOT_TO_FILE 0
-#define DEBUG_DUMP_POSTVIEW_SNAPSHOT_TO_FILE 0
-
-#if DEBUG_DUMP_PREVIEW_FRAME_TO_FILE
-static int debug_frame_cnt;
-#endif
-
-static int getCallingPid() {
-    return IPCThreadState::self()->getCallingPid();
-}
-
-// ----------------------------------------------------------------------------
-
-void CameraService::instantiate() {
-    defaultServiceManager()->addService(
-            String16("media.camera"), new CameraService());
-}
-
-// ----------------------------------------------------------------------------
-
-CameraService::CameraService() :
-    BnCameraService()
-{
-    LOGI("CameraService started: pid=%d", getpid());
-    mUsers = 0;
-}
-
-CameraService::~CameraService()
-{
-    if (mClient != 0) {
-        LOGE("mClient was still connected in destructor!");
-    }
-}
-
-sp<ICamera> CameraService::connect(const sp<ICameraClient>& cameraClient)
-{
-    int callingPid = getCallingPid();
-    LOGV("CameraService::connect E (pid %d, client %p)", callingPid,
-            cameraClient->asBinder().get());
-
-    Mutex::Autolock lock(mServiceLock);
-    sp<Client> client;
-    if (mClient != 0) {
-        sp<Client> currentClient = mClient.promote();
-        if (currentClient != 0) {
-            sp<ICameraClient> currentCameraClient(currentClient->getCameraClient());
-            if (cameraClient->asBinder() == currentCameraClient->asBinder()) {
-                // This is the same client reconnecting...
-                LOGV("CameraService::connect X (pid %d, same client %p) is reconnecting...",
-                    callingPid, cameraClient->asBinder().get());
-                return currentClient;
-            } else {
-                // It's another client... reject it
-                LOGV("CameraService::connect X (pid %d, new client %p) rejected. "
-                    "(old pid %d, old client %p)",
-                    callingPid, cameraClient->asBinder().get(),
-                    currentClient->mClientPid, currentCameraClient->asBinder().get());
-                if (kill(currentClient->mClientPid, 0) == -1 && errno == ESRCH) {
-                    LOGV("The old client is dead!");
-                }
-                return client;
-            }
-        } else {
-            // can't promote, the previous client has died...
-            LOGV("New client (pid %d) connecting, old reference was dangling...",
-                    callingPid);
-            mClient.clear();
-        }
-    }
-
-    if (mUsers > 0) {
-        LOGV("Still have client, rejected");
-        return client;
-    }
-
-    // create a new Client object
-    client = new Client(this, cameraClient, callingPid);
-    mClient = client;
-#if DEBUG_CLIENT_REFERENCES
-    // Enable tracking for this object, and track increments and decrements of
-    // the refcount.
-    client->trackMe(true, true);
-#endif
-    LOGV("CameraService::connect X");
-    return client;
-}
-
-void CameraService::removeClient(const sp<ICameraClient>& cameraClient)
-{
-    int callingPid = getCallingPid();
-
-    // Declare this outside the lock to make absolutely sure the
-    // destructor won't be called with the lock held.
-    sp<Client> client;
-
-    Mutex::Autolock lock(mServiceLock);
-
-    if (mClient == 0) {
-        // This happens when we have already disconnected.
-        LOGV("removeClient (pid %d): already disconnected", callingPid);
-        return;
-    }
-
-    // Promote mClient. It can fail if we are called from this path:
-    // Client::~Client() -> disconnect() -> removeClient().
-    client = mClient.promote();
-    if (client == 0) {
-        LOGV("removeClient (pid %d): no more strong reference", callingPid);
-        mClient.clear();
-        return;
-    }
-
-    if (cameraClient->asBinder() != client->getCameraClient()->asBinder()) {
-        // ugh! that's not our client!!
-        LOGW("removeClient (pid %d): mClient doesn't match!", callingPid);
-    } else {
-        // okay, good, forget about mClient
-        mClient.clear();
-    }
-
-    LOGV("removeClient (pid %d) done", callingPid);
-}
-
-// The reason we need this count is a new CameraService::connect() request may
-// come in while the previous Client's destructor has not been run or is still
-// running. If the last strong reference of the previous Client is gone but
-// destructor has not been run, we should not allow the new Client to be created
-// because we need to wait for the previous Client to tear down the hardware
-// first.
-void CameraService::incUsers() {
-    android_atomic_inc(&mUsers);
-}
-
-void CameraService::decUsers() {
-    android_atomic_dec(&mUsers);
-}
-
-static sp<MediaPlayer> newMediaPlayer(const char *file)
-{
-    sp<MediaPlayer> mp = new MediaPlayer();
-    if (mp->setDataSource(file, NULL /* headers */) == NO_ERROR) {
-        mp->setAudioStreamType(AudioSystem::ENFORCED_AUDIBLE);
-        mp->prepare();
-    } else {
-        mp.clear();
-        LOGE("Failed to load CameraService sounds.");
-    }
-    return mp;
-}
-
-CameraService::Client::Client(const sp<CameraService>& cameraService,
-        const sp<ICameraClient>& cameraClient, pid_t clientPid)
-{
-    int callingPid = getCallingPid();
-    LOGV("Client::Client E (pid %d)", callingPid);
-    mCameraService = cameraService;
-    mCameraClient = cameraClient;
-    mClientPid = clientPid;
-    mHardware = openCameraHardware();
-    mUseOverlay = mHardware->useOverlay();
-
-    mHardware->setCallbacks(notifyCallback,
-                            dataCallback,
-                            dataCallbackTimestamp,
-                            mCameraService.get());
-
-    // Enable zoom, error, and focus messages by default
-    mHardware->enableMsgType(CAMERA_MSG_ERROR |
-                             CAMERA_MSG_ZOOM |
-                             CAMERA_MSG_FOCUS);
-
-    mMediaPlayerClick = newMediaPlayer("/system/media/audio/ui/camera_click.ogg");
-    mMediaPlayerBeep = newMediaPlayer("/system/media/audio/ui/VideoRecord.ogg");
-    mOverlayW = 0;
-    mOverlayH = 0;
-
-    // Callback is disabled by default
-    mPreviewCallbackFlag = FRAME_CALLBACK_FLAG_NOOP;
-    mOrientation = 0;
-    cameraService->incUsers();
-    LOGV("Client::Client X (pid %d)", callingPid);
-}
-
-status_t CameraService::Client::checkPid()
-{
-    int callingPid = getCallingPid();
-    if (mClientPid == callingPid) return NO_ERROR;
-    LOGW("Attempt to use locked camera (client %p) from different process "
-        " (old pid %d, new pid %d)",
-        getCameraClient()->asBinder().get(), mClientPid, callingPid);
-    return -EBUSY;
-}
-
-status_t CameraService::Client::lock()
-{
-    int callingPid = getCallingPid();
-    LOGV("lock from pid %d (mClientPid %d)", callingPid, mClientPid);
-    Mutex::Autolock _l(mLock);
-    // lock camera to this client if the the camera is unlocked
-    if (mClientPid == 0) {
-        mClientPid = callingPid;
-        return NO_ERROR;
-    }
-    // returns NO_ERROR if the client already owns the camera, -EBUSY otherwise
-    return checkPid();
-}
-
-status_t CameraService::Client::unlock()
-{
-    int callingPid = getCallingPid();
-    LOGV("unlock from pid %d (mClientPid %d)", callingPid, mClientPid);
-    Mutex::Autolock _l(mLock);
-    // allow anyone to use camera
-    status_t result = checkPid();
-    if (result == NO_ERROR) {
-        mClientPid = 0;
-        LOGV("clear mCameraClient (pid %d)", callingPid);
-        // we need to remove the reference so that when app goes
-        // away, the reference count goes to 0.
-        mCameraClient.clear();
-    }
-    return result;
-}
-
-status_t CameraService::Client::connect(const sp<ICameraClient>& client)
-{
-    int callingPid = getCallingPid();
-
-    // connect a new process to the camera
-    LOGV("Client::connect E (pid %d, client %p)", callingPid, client->asBinder().get());
-
-    // I hate this hack, but things get really ugly when the media recorder
-    // service is handing back the camera to the app. The ICameraClient
-    // destructor will be called during the same IPC, making it look like
-    // the remote client is trying to disconnect. This hack temporarily
-    // sets the mClientPid to an invalid pid to prevent the hardware from
-    // being torn down.
-    {
-
-        // hold a reference to the old client or we will deadlock if the client is
-        // in the same process and we hold the lock when we remove the reference
-        sp<ICameraClient> oldClient;
-        {
-            Mutex::Autolock _l(mLock);
-            if (mClientPid != 0 && checkPid() != NO_ERROR) {
-                LOGW("Tried to connect to locked camera (old pid %d, new pid %d)",
-                        mClientPid, callingPid);
-                return -EBUSY;
-            }
-            oldClient = mCameraClient;
-
-            // did the client actually change?
-            if ((mCameraClient != NULL) && (client->asBinder() == mCameraClient->asBinder())) {
-                LOGV("Connect to the same client");
-                return NO_ERROR;
-            }
-
-            mCameraClient = client;
-            mClientPid = -1;
-            mPreviewCallbackFlag = FRAME_CALLBACK_FLAG_NOOP;
-            LOGV("Connect to the new client (pid %d, client %p)",
-                callingPid, mCameraClient->asBinder().get());
-        }
-
-    }
-    // the old client destructor is called when oldClient goes out of scope
-    // now we set the new PID to lock the interface again
-    mClientPid = callingPid;
-
-    return NO_ERROR;
-}
-
-#if HAVE_ANDROID_OS
-static void *unregister_surface(void *arg)
-{
-    ISurface *surface = (ISurface *)arg;
-    surface->unregisterBuffers();
-    IPCThreadState::self()->flushCommands();
-    return NULL;
-}
-#endif
-
-CameraService::Client::~Client()
-{
-    int callingPid = getCallingPid();
-
-    // tear down client
-    LOGV("Client::~Client E (pid %d, client %p)",
-            callingPid, getCameraClient()->asBinder().get());
-    if (mSurface != 0 && !mUseOverlay) {
-#if HAVE_ANDROID_OS
-        pthread_t thr;
-        // We unregister the buffers in a different thread because binder does
-        // not let us make sychronous transactions in a binder destructor (that
-        // is, upon our reaching a refcount of zero.)
-        pthread_create(&thr, NULL,
-                       unregister_surface,
-                       mSurface.get());
-        pthread_join(thr, NULL);
-#else
-        mSurface->unregisterBuffers();
-#endif
-    }
-
-    if (mMediaPlayerBeep.get() != NULL) {
-        mMediaPlayerBeep->disconnect();
-        mMediaPlayerBeep.clear();
-    }
-    if (mMediaPlayerClick.get() != NULL) {
-        mMediaPlayerClick->disconnect();
-        mMediaPlayerClick.clear();
-    }
-
-    // make sure we tear down the hardware
-    mClientPid = callingPid;
-    disconnect();
-    LOGV("Client::~Client X (pid %d)", mClientPid);
-}
-
-void CameraService::Client::disconnect()
-{
-    int callingPid = getCallingPid();
-
-    LOGV("Client::disconnect() E (pid %d client %p)",
-            callingPid, getCameraClient()->asBinder().get());
-
-    Mutex::Autolock lock(mLock);
-    if (mClientPid <= 0) {
-        LOGV("camera is unlocked (mClientPid = %d), don't tear down hardware", mClientPid);
-        return;
-    }
-    if (checkPid() != NO_ERROR) {
-        LOGV("Different client - don't disconnect");
-        return;
-    }
-
-    // Make sure disconnect() is done once and once only, whether it is called
-    // from the user directly, or called by the destructor.
-    if (mHardware == 0) return;
-
-    LOGV("hardware teardown");
-    // Before destroying mHardware, we must make sure it's in the
-    // idle state.
-    mHardware->stopPreview();
-    // Cancel all picture callbacks.
-    mHardware->disableMsgType(CAMERA_MSG_SHUTTER |
-                              CAMERA_MSG_POSTVIEW_FRAME |
-                              CAMERA_MSG_RAW_IMAGE |
-                              CAMERA_MSG_COMPRESSED_IMAGE);
-    mHardware->cancelPicture();
-    // Turn off remaining messages.
-    mHardware->disableMsgType(CAMERA_MSG_ALL_MSGS);
-    // Release the hardware resources.
-    mHardware->release();
-    // Release the held overlay resources.
-    if (mUseOverlay)
-    {
-        mOverlayRef = 0;
-    }
-    mHardware.clear();
-
-    mCameraService->removeClient(mCameraClient);
-    mCameraService->decUsers();
-
-    LOGV("Client::disconnect() X (pid %d)", callingPid);
-}
-
-// pass the buffered ISurface to the camera service
-status_t CameraService::Client::setPreviewDisplay(const sp<ISurface>& surface)
-{
-    LOGV("setPreviewDisplay(%p) (pid %d)",
-         ((surface == NULL) ? NULL : surface.get()), getCallingPid());
-    Mutex::Autolock lock(mLock);
-    status_t result = checkPid();
-    if (result != NO_ERROR) return result;
-
-    Mutex::Autolock surfaceLock(mSurfaceLock);
-    result = NO_ERROR;
-    // asBinder() is safe on NULL (returns NULL)
-    if (surface->asBinder() != mSurface->asBinder()) {
-        if (mSurface != 0) {
-            LOGV("clearing old preview surface %p", mSurface.get());
-            if ( !mUseOverlay)
-            {
-                mSurface->unregisterBuffers();
-            }
-            else
-            {
-                // Force the destruction of any previous overlay
-                sp<Overlay> dummy;
-                mHardware->setOverlay( dummy );
-            }
-        }
-        mSurface = surface;
-        mOverlayRef = 0;
-        // If preview has been already started, set overlay or register preview
-        // buffers now.
-        if (mHardware->previewEnabled()) {
-            if (mUseOverlay) {
-                result = setOverlay();
-            } else if (mSurface != 0) {
-                result = registerPreviewBuffers();
-            }
-        }
-    }
-    return result;
-}
-
-// set the preview callback flag to affect how the received frames from
-// preview are handled.
-void CameraService::Client::setPreviewCallbackFlag(int callback_flag)
-{
-    LOGV("setPreviewCallbackFlag (pid %d)", getCallingPid());
-    Mutex::Autolock lock(mLock);
-    if (checkPid() != NO_ERROR) return;
-    mPreviewCallbackFlag = callback_flag;
-
-    if(mUseOverlay) {
-        if(mPreviewCallbackFlag & FRAME_CALLBACK_FLAG_ENABLE_MASK)
-            mHardware->enableMsgType(CAMERA_MSG_PREVIEW_FRAME);
-        else
-            mHardware->disableMsgType(CAMERA_MSG_PREVIEW_FRAME);
-    }
-}
-
-// start preview mode
-status_t CameraService::Client::startCameraMode(camera_mode mode)
-{
-    int callingPid = getCallingPid();
-
-    LOGV("startCameraMode(%d) (pid %d)", mode, callingPid);
-
-    /* we cannot call into mHardware with mLock held because
-     * mHardware has callbacks onto us which acquire this lock
-     */
-
-    Mutex::Autolock lock(mLock);
-    status_t result = checkPid();
-    if (result != NO_ERROR) return result;
-
-    if (mHardware == 0) {
-        LOGE("mHardware is NULL, returning.");
-        return INVALID_OPERATION;
-    }
-
-    switch(mode) {
-    case CAMERA_RECORDING_MODE:
-        if (mSurface == 0) {
-            LOGE("setPreviewDisplay must be called before startRecordingMode.");
-            return INVALID_OPERATION;
-        }
-        return startRecordingMode();
-
-    default: // CAMERA_PREVIEW_MODE
-        if (mSurface == 0) {
-            LOGV("mSurface is not set yet.");
-        }
-        return startPreviewMode();
-    }
-}
-
-status_t CameraService::Client::startRecordingMode()
-{
-    LOGV("startRecordingMode (pid %d)", getCallingPid());
-
-    status_t ret = UNKNOWN_ERROR;
-
-    // if preview has not been started, start preview first
-    if (!mHardware->previewEnabled()) {
-        ret = startPreviewMode();
-        if (ret != NO_ERROR) {
-            return ret;
-        }
-    }
-
-    // if recording has been enabled, nothing needs to be done
-    if (mHardware->recordingEnabled()) {
-        return NO_ERROR;
-    }
-
-    // start recording mode
-    ret = mHardware->startRecording();
-    if (ret != NO_ERROR) {
-        LOGE("mHardware->startRecording() failed with status %d", ret);
-    }
-    return ret;
-}
-
-status_t CameraService::Client::setOverlay()
-{
-    LOGV("setOverlay");
-    int w, h;
-    CameraParameters params(mHardware->getParameters());
-    params.getPreviewSize(&w, &h);
-
-    if ( w != mOverlayW || h != mOverlayH )
-    {
-        // Force the destruction of any previous overlay
-        sp<Overlay> dummy;
-        mHardware->setOverlay( dummy );
-        mOverlayRef = 0;
-    }
-
-    status_t ret = NO_ERROR;
-    if (mSurface != 0) {
-        if (mOverlayRef.get() == NULL) {
-
-            // FIXME:
-            // Surfaceflinger may hold onto the previous overlay reference for some
-            // time after we try to destroy it. retry a few times. In the future, we
-            // should make the destroy call block, or possibly specify that we can
-            // wait in the createOverlay call if the previous overlay is in the 
-            // process of being destroyed.
-            for (int retry = 0; retry < 50; ++retry) {
-                mOverlayRef = mSurface->createOverlay(w, h, OVERLAY_FORMAT_DEFAULT,
-                                                      mOrientation);
-                if (mOverlayRef != NULL) break;
-                LOGW("Overlay create failed - retrying");
-                usleep(20000);
-            }
-            if ( mOverlayRef.get() == NULL )
-            {
-                LOGE("Overlay Creation Failed!");
-                return -EINVAL;
-            }
-            ret = mHardware->setOverlay(new Overlay(mOverlayRef));
-        }
-    } else {
-        ret = mHardware->setOverlay(NULL);
-    }
-    if (ret != NO_ERROR) {
-        LOGE("mHardware->setOverlay() failed with status %d\n", ret);
-    }
-
-    mOverlayW = w;
-    mOverlayH = h;
-
-    return ret;
-}
-
-status_t CameraService::Client::registerPreviewBuffers()
-{
-    int w, h;
-    CameraParameters params(mHardware->getParameters());
-    params.getPreviewSize(&w, &h);
-
-    // don't use a hardcoded format here
-    ISurface::BufferHeap buffers(w, h, w, h,
-                                 HAL_PIXEL_FORMAT_YCrCb_420_SP,
-                                 mOrientation,
-                                 0,
-                                 mHardware->getPreviewHeap());
-
-    status_t ret = mSurface->registerBuffers(buffers);
-    if (ret != NO_ERROR) {
-        LOGE("registerBuffers failed with status %d", ret);
-    }
-    return ret;
-}
-
-status_t CameraService::Client::startPreviewMode()
-{
-    LOGV("startPreviewMode (pid %d)", getCallingPid());
-
-    // if preview has been enabled, nothing needs to be done
-    if (mHardware->previewEnabled()) {
-        return NO_ERROR;
-    }
-
-    // start preview mode
-#if DEBUG_DUMP_PREVIEW_FRAME_TO_FILE
-    debug_frame_cnt = 0;
-#endif
-    status_t ret = NO_ERROR;
-
-    if (mUseOverlay) {
-        // If preview display has been set, set overlay now.
-        if (mSurface != 0) {
-            ret = setOverlay();
-        }
-        if (ret != NO_ERROR) return ret;
-        ret = mHardware->startPreview();
-    } else {
-        mHardware->enableMsgType(CAMERA_MSG_PREVIEW_FRAME);
-        ret = mHardware->startPreview();
-        if (ret != NO_ERROR) return ret;
-        // If preview display has been set, register preview buffers now.
-        if (mSurface != 0) {
-           // Unregister here because the surface registered with raw heap.
-           mSurface->unregisterBuffers();
-           ret = registerPreviewBuffers();
-        }
-    }
-    return ret;
-}
-
-status_t CameraService::Client::startPreview()
-{
-    LOGV("startPreview (pid %d)", getCallingPid());
-
-    return startCameraMode(CAMERA_PREVIEW_MODE);
-}
-
-status_t CameraService::Client::startRecording()
-{
-    LOGV("startRecording (pid %d)", getCallingPid());
-
-    if (mMediaPlayerBeep.get() != NULL) {
-        // do not play record jingle if stream volume is 0
-        // (typically because ringer mode is silent).
-        int index;
-        AudioSystem::getStreamVolumeIndex(AudioSystem::ENFORCED_AUDIBLE, &index);
-        if (index != 0) {
-            mMediaPlayerBeep->seekTo(0);
-            mMediaPlayerBeep->start();
-        }
-    }
-
-    mHardware->enableMsgType(CAMERA_MSG_VIDEO_FRAME);
-
-    return startCameraMode(CAMERA_RECORDING_MODE);
-}
-
-// stop preview mode
-void CameraService::Client::stopPreview()
-{
-    LOGV("stopPreview (pid %d)", getCallingPid());
-
-    // hold main lock during state transition
-    {
-        Mutex::Autolock lock(mLock);
-        if (checkPid() != NO_ERROR) return;
-
-        if (mHardware == 0) {
-            LOGE("mHardware is NULL, returning.");
-            return;
-        }
-
-        mHardware->stopPreview();
-        mHardware->disableMsgType(CAMERA_MSG_PREVIEW_FRAME);
-        LOGV("stopPreview(), hardware stopped OK");
-
-        if (mSurface != 0 && !mUseOverlay) {
-            mSurface->unregisterBuffers();
-        }
-    }
-
-    // hold preview buffer lock
-    {
-        Mutex::Autolock lock(mPreviewLock);
-        mPreviewBuffer.clear();
-    }
-}
-
-// stop recording mode
-void CameraService::Client::stopRecording()
-{
-    LOGV("stopRecording (pid %d)", getCallingPid());
-
-    // hold main lock during state transition
-    {
-        Mutex::Autolock lock(mLock);
-        if (checkPid() != NO_ERROR) return;
-
-        if (mHardware == 0) {
-            LOGE("mHardware is NULL, returning.");
-            return;
-        }
-
-        if (mMediaPlayerBeep.get() != NULL) {
-            mMediaPlayerBeep->seekTo(0);
-            mMediaPlayerBeep->start();
-        }
-
-        mHardware->stopRecording();
-        mHardware->disableMsgType(CAMERA_MSG_VIDEO_FRAME);
-        LOGV("stopRecording(), hardware stopped OK");
-    }
-
-    // hold preview buffer lock
-    {
-        Mutex::Autolock lock(mPreviewLock);
-        mPreviewBuffer.clear();
-    }
-}
-
-// release a recording frame
-void CameraService::Client::releaseRecordingFrame(const sp<IMemory>& mem)
-{
-    Mutex::Autolock lock(mLock);
-    if (checkPid() != NO_ERROR) return;
-
-    if (mHardware == 0) {
-        LOGE("mHardware is NULL, returning.");
-        return;
-    }
-
-    mHardware->releaseRecordingFrame(mem);
-}
-
-bool CameraService::Client::previewEnabled()
-{
-    Mutex::Autolock lock(mLock);
-    if (mHardware == 0) return false;
-    return mHardware->previewEnabled();
-}
-
-bool CameraService::Client::recordingEnabled()
-{
-    Mutex::Autolock lock(mLock);
-    if (mHardware == 0) return false;
-    return mHardware->recordingEnabled();
-}
-
-// Safely retrieves a strong pointer to the client during a hardware callback.
-sp<CameraService::Client> CameraService::Client::getClientFromCookie(void* user)
-{
-    sp<Client> client = 0;
-    CameraService *service = static_cast<CameraService*>(user);
-    if (service != NULL) {
-        Mutex::Autolock ourLock(service->mServiceLock);
-        if (service->mClient != 0) {
-            client = service->mClient.promote();
-            if (client == 0) {
-                LOGE("getClientFromCookie: client appears to have died");
-                service->mClient.clear();
-            }
-        } else {
-            LOGE("getClientFromCookie: got callback but client was NULL");
-        }
-    }
-    return client;
-}
-
-
-#if DEBUG_DUMP_JPEG_SNAPSHOT_TO_FILE || \
-    DEBUG_DUMP_YUV_SNAPSHOT_TO_FILE || \
-    DEBUG_DUMP_PREVIEW_FRAME_TO_FILE
-static void dump_to_file(const char *fname,
-                         uint8_t *buf, uint32_t size)
-{
-    int nw, cnt = 0;
-    uint32_t written = 0;
-
-    LOGV("opening file [%s]\n", fname);
-    int fd = open(fname, O_RDWR | O_CREAT);
-    if (fd < 0) {
-        LOGE("failed to create file [%s]: %s", fname, strerror(errno));
-        return;
-    }
-
-    LOGV("writing %d bytes to file [%s]\n", size, fname);
-    while (written < size) {
-        nw = ::write(fd,
-                     buf + written,
-                     size - written);
-        if (nw < 0) {
-            LOGE("failed to write to file [%s]: %s",
-                 fname, strerror(errno));
-            break;
-        }
-        written += nw;
-        cnt++;
-    }
-    LOGV("done writing %d bytes to file [%s] in %d passes\n",
-         size, fname, cnt);
-    ::close(fd);
-}
-#endif
-
-status_t CameraService::Client::autoFocus()
-{
-    LOGV("autoFocus (pid %d)", getCallingPid());
-
-    Mutex::Autolock lock(mLock);
-    status_t result = checkPid();
-    if (result != NO_ERROR) return result;
-
-    if (mHardware == 0) {
-        LOGE("mHardware is NULL, returning.");
-        return INVALID_OPERATION;
-    }
-
-    return mHardware->autoFocus();
-}
-
-status_t CameraService::Client::cancelAutoFocus()
-{
-    LOGV("cancelAutoFocus (pid %d)", getCallingPid());
-
-    Mutex::Autolock lock(mLock);
-    status_t result = checkPid();
-    if (result != NO_ERROR) return result;
-
-    if (mHardware == 0) {
-        LOGE("mHardware is NULL, returning.");
-        return INVALID_OPERATION;
-    }
-
-    return mHardware->cancelAutoFocus();
-}
-
-// take a picture - image is returned in callback
-status_t CameraService::Client::takePicture()
-{
-    LOGV("takePicture (pid %d)", getCallingPid());
-
-    Mutex::Autolock lock(mLock);
-    status_t result = checkPid();
-    if (result != NO_ERROR) return result;
-
-    if (mHardware == 0) {
-        LOGE("mHardware is NULL, returning.");
-        return INVALID_OPERATION;
-    }
-
-    mHardware->enableMsgType(CAMERA_MSG_SHUTTER |
-                             CAMERA_MSG_POSTVIEW_FRAME |
-                             CAMERA_MSG_RAW_IMAGE |
-                             CAMERA_MSG_COMPRESSED_IMAGE);
-
-    return mHardware->takePicture();
-}
-
-// snapshot taken
-void CameraService::Client::handleShutter(
-    image_rect_type *size // The width and height of yuv picture for
-                          // registerBuffer. If this is NULL, use the picture
-                          // size from parameters.
-)
-{
-    // Play shutter sound.
-    if (mMediaPlayerClick.get() != NULL) {
-        // do not play shutter sound if stream volume is 0
-        // (typically because ringer mode is silent).
-        int index;
-        AudioSystem::getStreamVolumeIndex(AudioSystem::ENFORCED_AUDIBLE, &index);
-        if (index != 0) {
-            mMediaPlayerClick->seekTo(0);
-            mMediaPlayerClick->start();
-        }
-    }
-
-    // Screen goes black after the buffer is unregistered.
-    if (mSurface != 0 && !mUseOverlay) {
-        mSurface->unregisterBuffers();
-    }
-
-    sp<ICameraClient> c = mCameraClient;
-    if (c != NULL) {
-        c->notifyCallback(CAMERA_MSG_SHUTTER, 0, 0);
-    }
-    mHardware->disableMsgType(CAMERA_MSG_SHUTTER);
-
-    // It takes some time before yuvPicture callback to be called.
-    // Register the buffer for raw image here to reduce latency.
-    if (mSurface != 0 && !mUseOverlay) {
-        int w, h;
-        CameraParameters params(mHardware->getParameters());
-        if (size == NULL) {
-            params.getPictureSize(&w, &h);
-        } else {
-            w = size->width;
-            h = size->height;
-            w &= ~1;
-            h &= ~1;
-            LOGV("Snapshot image width=%d, height=%d", w, h);
-        }
-        // FIXME: don't use hardcoded format constants here
-        ISurface::BufferHeap buffers(w, h, w, h,
-            HAL_PIXEL_FORMAT_YCrCb_420_SP, mOrientation, 0,
-            mHardware->getRawHeap());
-
-        mSurface->registerBuffers(buffers);
-        IPCThreadState::self()->flushCommands();
-    }
-}
-
-// preview callback - frame buffer update
-void CameraService::Client::handlePreviewData(const sp<IMemory>& mem)
-{
-    ssize_t offset;
-    size_t size;
-    sp<IMemoryHeap> heap = mem->getMemory(&offset, &size);
-
-#if DEBUG_HEAP_LEAKS && 0 // debugging
-    if (gWeakHeap == NULL) {
-        if (gWeakHeap != heap) {
-            LOGV("SETTING PREVIEW HEAP");
-            heap->trackMe(true, true);
-            gWeakHeap = heap;
-        }
-    }
-#endif
-#if DEBUG_DUMP_PREVIEW_FRAME_TO_FILE
-    {
-        if (debug_frame_cnt++ == DEBUG_DUMP_PREVIEW_FRAME_TO_FILE) {
-            dump_to_file("/data/preview.yuv",
-                         (uint8_t *)heap->base() + offset, size);
-        }
-    }
-#endif
-
-    if (!mUseOverlay)
-    {
-        Mutex::Autolock surfaceLock(mSurfaceLock);
-        if (mSurface != NULL) {
-            mSurface->postBuffer(offset);
-        }
-    }
-
-    // local copy of the callback flags
-    int flags = mPreviewCallbackFlag;
-
-    // is callback enabled?
-    if (!(flags & FRAME_CALLBACK_FLAG_ENABLE_MASK)) {
-        // If the enable bit is off, the copy-out and one-shot bits are ignored
-        LOGV("frame callback is diabled");
-        return;
-    }
-
-    // hold a strong pointer to the client
-    sp<ICameraClient> c = mCameraClient;
-
-    // clear callback flags if no client or one-shot mode
-    if ((c == NULL) || (mPreviewCallbackFlag & FRAME_CALLBACK_FLAG_ONE_SHOT_MASK)) {
-        LOGV("Disable preview callback");
-        mPreviewCallbackFlag &= ~(FRAME_CALLBACK_FLAG_ONE_SHOT_MASK |
-                                FRAME_CALLBACK_FLAG_COPY_OUT_MASK |
-                                FRAME_CALLBACK_FLAG_ENABLE_MASK);
-        // TODO: Shouldn't we use this API for non-overlay hardware as well?
-        if (mUseOverlay)
-            mHardware->disableMsgType(CAMERA_MSG_PREVIEW_FRAME);
-    }
-
-    // Is the received frame copied out or not?
-    if (flags & FRAME_CALLBACK_FLAG_COPY_OUT_MASK) {
-        LOGV("frame is copied");
-        copyFrameAndPostCopiedFrame(c, heap, offset, size);
-    } else {
-        LOGV("frame is forwarded");
-        c->dataCallback(CAMERA_MSG_PREVIEW_FRAME, mem);
-    }
-}
-
-// picture callback - postview image ready
-void CameraService::Client::handlePostview(const sp<IMemory>& mem)
-{
-#if DEBUG_DUMP_POSTVIEW_SNAPSHOT_TO_FILE // for testing pursposes only
-    {
-        ssize_t offset;
-        size_t size;
-        sp<IMemoryHeap> heap = mem->getMemory(&offset, &size);
-        dump_to_file("/data/postview.yuv",
-                     (uint8_t *)heap->base() + offset, size);
-    }
-#endif
-
-    sp<ICameraClient> c = mCameraClient;
-    if (c != NULL) {
-        c->dataCallback(CAMERA_MSG_POSTVIEW_FRAME, mem);
-    }
-    mHardware->disableMsgType(CAMERA_MSG_POSTVIEW_FRAME);
-}
-
-// picture callback - raw image ready
-void CameraService::Client::handleRawPicture(const sp<IMemory>& mem)
-{
-    ssize_t offset;
-    size_t size;
-    sp<IMemoryHeap> heap = mem->getMemory(&offset, &size);
-#if DEBUG_HEAP_LEAKS && 0 // debugging
-    gWeakHeap = heap; // debugging
-#endif
-
-    //LOGV("handleRawPicture(%d, %d)", offset, size);
-#if DEBUG_DUMP_YUV_SNAPSHOT_TO_FILE // for testing pursposes only
-    dump_to_file("/data/photo.yuv",
-                 (uint8_t *)heap->base() + offset, size);
-#endif
-
-    // Put the YUV version of the snapshot in the preview display.
-    if (mSurface != 0 && !mUseOverlay) {
-        mSurface->postBuffer(offset);
-    }
-
-    sp<ICameraClient> c = mCameraClient;
-    if (c != NULL) {
-        c->dataCallback(CAMERA_MSG_RAW_IMAGE, mem);
-    }
-    mHardware->disableMsgType(CAMERA_MSG_RAW_IMAGE);
-}
-
-// picture callback - compressed picture ready
-void CameraService::Client::handleCompressedPicture(const sp<IMemory>& mem)
-{
-#if DEBUG_DUMP_JPEG_SNAPSHOT_TO_FILE // for testing pursposes only
-    {
-        ssize_t offset;
-        size_t size;
-        sp<IMemoryHeap> heap = mem->getMemory(&offset, &size);
-        dump_to_file("/data/photo.jpg",
-                     (uint8_t *)heap->base() + offset, size);
-    }
-#endif
-
-    sp<ICameraClient> c = mCameraClient;
-    if (c != NULL) {
-        c->dataCallback(CAMERA_MSG_COMPRESSED_IMAGE, mem);
-    }
-    mHardware->disableMsgType(CAMERA_MSG_COMPRESSED_IMAGE);
-}
-
-void CameraService::Client::notifyCallback(int32_t msgType, int32_t ext1, int32_t ext2, void* user)
-{
-    LOGV("notifyCallback(%d)", msgType);
-
-    sp<Client> client = getClientFromCookie(user);
-    if (client == 0) {
-        return;
-    }
-
-    switch (msgType) {
-        case CAMERA_MSG_SHUTTER:
-            // ext1 is the dimension of the yuv picture.
-            client->handleShutter((image_rect_type *)ext1);
-            break;
-        default:
-            sp<ICameraClient> c = client->mCameraClient;
-            if (c != NULL) {
-                c->notifyCallback(msgType, ext1, ext2);
-            }
-            break;
-    }
-
-#if DEBUG_CLIENT_REFERENCES
-    if (client->getStrongCount() == 1) {
-        LOGE("++++++++++++++++ (NOTIFY CALLBACK) THIS WILL CAUSE A LOCKUP!");
-        client->printRefs();
-    }
-#endif
-}
-
-void CameraService::Client::dataCallback(int32_t msgType, const sp<IMemory>& dataPtr, void* user)
-{
-    LOGV("dataCallback(%d)", msgType);
-
-    sp<Client> client = getClientFromCookie(user);
-    if (client == 0) {
-        return;
-    }
-
-    sp<ICameraClient> c = client->mCameraClient;
-    if (dataPtr == NULL) {
-        LOGE("Null data returned in data callback");
-        if (c != NULL) {
-            c->notifyCallback(CAMERA_MSG_ERROR, UNKNOWN_ERROR, 0);
-            c->dataCallback(msgType, NULL);
-        }
-        return;
-    }
-
-    switch (msgType) {
-        case CAMERA_MSG_PREVIEW_FRAME:
-            client->handlePreviewData(dataPtr);
-            break;
-        case CAMERA_MSG_POSTVIEW_FRAME:
-            client->handlePostview(dataPtr);
-            break;
-        case CAMERA_MSG_RAW_IMAGE:
-            client->handleRawPicture(dataPtr);
-            break;
-        case CAMERA_MSG_COMPRESSED_IMAGE:
-            client->handleCompressedPicture(dataPtr);
-            break;
-        default:
-            if (c != NULL) {
-                c->dataCallback(msgType, dataPtr);
-            }
-            break;
-    }
-
-#if DEBUG_CLIENT_REFERENCES
-    if (client->getStrongCount() == 1) {
-        LOGE("++++++++++++++++ (DATA CALLBACK) THIS WILL CAUSE A LOCKUP!");
-        client->printRefs();
-    }
-#endif
-}
-
-void CameraService::Client::dataCallbackTimestamp(nsecs_t timestamp, int32_t msgType,
-                                                  const sp<IMemory>& dataPtr, void* user)
-{
-    LOGV("dataCallbackTimestamp(%d)", msgType);
-
-    sp<Client> client = getClientFromCookie(user);
-    if (client == 0) {
-        return;
-    }
-    sp<ICameraClient> c = client->mCameraClient;
-
-    if (dataPtr == NULL) {
-        LOGE("Null data returned in data with timestamp callback");
-        if (c != NULL) {
-            c->notifyCallback(CAMERA_MSG_ERROR, UNKNOWN_ERROR, 0);
-            c->dataCallbackTimestamp(0, msgType, NULL);
-        }
-        return;
-    }
-
-    if (c != NULL) {
-        c->dataCallbackTimestamp(timestamp, msgType, dataPtr);
-    }
-
-#if DEBUG_CLIENT_REFERENCES
-    if (client->getStrongCount() == 1) {
-        LOGE("++++++++++++++++ (DATA CALLBACK TIMESTAMP) THIS WILL CAUSE A LOCKUP!");
-        client->printRefs();
-    }
-#endif
-}
-
-// set preview/capture parameters - key/value pairs
-status_t CameraService::Client::setParameters(const String8& params)
-{
-    LOGV("setParameters(%s)", params.string());
-
-    Mutex::Autolock lock(mLock);
-    status_t result = checkPid();
-    if (result != NO_ERROR) return result;
-
-    if (mHardware == 0) {
-        LOGE("mHardware is NULL, returning.");
-        return INVALID_OPERATION;
-    }
-
-    CameraParameters p(params);
-
-    return mHardware->setParameters(p);
-}
-
-// get preview/capture parameters - key/value pairs
-String8 CameraService::Client::getParameters() const
-{
-    Mutex::Autolock lock(mLock);
-
-    if (mHardware == 0) {
-        LOGE("mHardware is NULL, returning.");
-        return String8();
-    }
-
-    String8 params(mHardware->getParameters().flatten());
-    LOGV("getParameters(%s)", params.string());
-    return params;
-}
-
-status_t CameraService::Client::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2)
-{
-    LOGV("sendCommand (pid %d)", getCallingPid());
-    Mutex::Autolock lock(mLock);
-    status_t result = checkPid();
-    if (result != NO_ERROR) return result;
-
-    if (cmd == CAMERA_CMD_SET_DISPLAY_ORIENTATION) {
-        // The orientation cannot be set during preview.
-        if (mHardware->previewEnabled()) {
-            return INVALID_OPERATION;
-        }
-        switch (arg1) {
-            case 0:
-                mOrientation = ISurface::BufferHeap::ROT_0;
-                break;
-            case 90:
-                mOrientation = ISurface::BufferHeap::ROT_90;
-                break;
-            case 180:
-                mOrientation = ISurface::BufferHeap::ROT_180;
-                break;
-            case 270:
-                mOrientation = ISurface::BufferHeap::ROT_270;
-                break;
-            default:
-                return BAD_VALUE;
-        }
-        return OK;
-    }
-
-    if (mHardware == 0) {
-        LOGE("mHardware is NULL, returning.");
-        return INVALID_OPERATION;
-    }
-
-    return mHardware->sendCommand(cmd, arg1, arg2);
-}
-
-void CameraService::Client::copyFrameAndPostCopiedFrame(const sp<ICameraClient>& client,
-        const sp<IMemoryHeap>& heap, size_t offset, size_t size)
-{
-    LOGV("copyFrameAndPostCopiedFrame");
-    // It is necessary to copy out of pmem before sending this to
-    // the callback. For efficiency, reuse the same MemoryHeapBase
-    // provided it's big enough. Don't allocate the memory or
-    // perform the copy if there's no callback.
-
-    // hold the preview lock while we grab a reference to the preview buffer
-    sp<MemoryHeapBase> previewBuffer;
-    {
-        Mutex::Autolock lock(mPreviewLock);
-        if (mPreviewBuffer == 0) {
-            mPreviewBuffer = new MemoryHeapBase(size, 0, NULL);
-        } else if (size > mPreviewBuffer->virtualSize()) {
-            mPreviewBuffer.clear();
-            mPreviewBuffer = new MemoryHeapBase(size, 0, NULL);
-        }
-        if (mPreviewBuffer == 0) {
-            LOGE("failed to allocate space for preview buffer");
-            return;
-        }
-        previewBuffer = mPreviewBuffer;
-    }
-    memcpy(previewBuffer->base(),
-           (uint8_t *)heap->base() + offset, size);
-
-    sp<MemoryBase> frame = new MemoryBase(previewBuffer, 0, size);
-    if (frame == 0) {
-        LOGE("failed to allocate space for frame callback");
-        return;
-    }
-    client->dataCallback(CAMERA_MSG_PREVIEW_FRAME, frame);
-}
-
-static const int kDumpLockRetries = 50;
-static const int kDumpLockSleep = 60000;
-
-static bool tryLock(Mutex& mutex)
-{
-    bool locked = false;
-    for (int i = 0; i < kDumpLockRetries; ++i) {
-        if (mutex.tryLock() == NO_ERROR) {
-            locked = true;
-            break;
-        }
-        usleep(kDumpLockSleep);
-    }
-    return locked;
-}
-
-status_t CameraService::dump(int fd, const Vector<String16>& args)
-{
-    static const char* kDeadlockedString = "CameraService may be deadlocked\n";
-
-    const size_t SIZE = 256;
-    char buffer[SIZE];
-    String8 result;
-    if (checkCallingPermission(String16("android.permission.DUMP")) == false) {
-        snprintf(buffer, SIZE, "Permission Denial: "
-                "can't dump CameraService from pid=%d, uid=%d\n",
-                getCallingPid(),
-                IPCThreadState::self()->getCallingUid());
-        result.append(buffer);
-        write(fd, result.string(), result.size());
-    } else {
-        bool locked = tryLock(mServiceLock);
-        // failed to lock - CameraService is probably deadlocked
-        if (!locked) {
-            String8 result(kDeadlockedString);
-            write(fd, result.string(), result.size());
-        }
-
-        if (mClient != 0) {
-            sp<Client> currentClient = mClient.promote();
-            sprintf(buffer, "Client (%p) PID: %d\n",
-                    currentClient->getCameraClient()->asBinder().get(),
-                    currentClient->mClientPid);
-            result.append(buffer);
-            write(fd, result.string(), result.size());
-            currentClient->mHardware->dump(fd, args);
-        } else {
-            result.append("No camera client yet.\n");
-            write(fd, result.string(), result.size());
-        }
-
-        if (locked) mServiceLock.unlock();
-    }
-    return NO_ERROR;
-}
-
-
-status_t CameraService::onTransact(
-    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
-{
-    // permission checks...
-    switch (code) {
-        case BnCameraService::CONNECT:
-            IPCThreadState* ipc = IPCThreadState::self();
-            const int pid = ipc->getCallingPid();
-            const int self_pid = getpid();
-            if (pid != self_pid) {
-                // we're called from a different process, do the real check
-                if (!checkCallingPermission(
-                        String16("android.permission.CAMERA")))
-                {
-                    const int uid = ipc->getCallingUid();
-                    LOGE("Permission Denial: "
-                            "can't use the camera pid=%d, uid=%d", pid, uid);
-                    return PERMISSION_DENIED;
-                }
-            }
-            break;
-    }
-
-    status_t err = BnCameraService::onTransact(code, data, reply, flags);
-
-#if DEBUG_HEAP_LEAKS
-    LOGV("+++ onTransact err %d code %d", err, code);
-
-    if (err == UNKNOWN_TRANSACTION || err == PERMISSION_DENIED) {
-        // the 'service' command interrogates this binder for its name, and then supplies it
-        // even for the debugging commands.  that means we need to check for it here, using
-        // ISurfaceComposer (since we delegated the INTERFACE_TRANSACTION handling to
-        // BnSurfaceComposer before falling through to this code).
-
-        LOGV("+++ onTransact code %d", code);
-
-        CHECK_INTERFACE(ICameraService, data, reply);
-
-        switch(code) {
-        case 1000:
-        {
-            if (gWeakHeap != 0) {
-                sp<IMemoryHeap> h = gWeakHeap.promote();
-                IMemoryHeap *p = gWeakHeap.unsafe_get();
-                LOGV("CHECKING WEAK REFERENCE %p (%p)", h.get(), p);
-                if (h != 0)
-                    h->printRefs();
-                bool attempt_to_delete = data.readInt32() == 1;
-                if (attempt_to_delete) {
-                    // NOT SAFE!
-                    LOGV("DELETING WEAK REFERENCE %p (%p)", h.get(), p);
-                    if (p) delete p;
-                }
-                return NO_ERROR;
-            }
-        }
-        break;
-        default:
-            break;
-        }
-    }
-#endif // DEBUG_HEAP_LEAKS
-
-    return err;
-}
-
-}; // namespace android
diff --git a/camera/libcameraservice/CameraService.h b/camera/libcameraservice/CameraService.h
deleted file mode 100644
index bc49b1d..0000000
--- a/camera/libcameraservice/CameraService.h
+++ /dev/null
@@ -1,227 +0,0 @@
-/*
-**
-** Copyright (C) 2008, The Android Open Source Project
-** Copyright (C) 2008 HTC Inc.
-**
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-**     http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
-*/
-
-#ifndef ANDROID_SERVERS_CAMERA_CAMERASERVICE_H
-#define ANDROID_SERVERS_CAMERA_CAMERASERVICE_H
-
-#include <camera/ICameraService.h>
-#include <camera/CameraHardwareInterface.h>
-#include <camera/Camera.h>
-
-namespace android {
-
-class MemoryHeapBase;
-class MediaPlayer;
-
-// ----------------------------------------------------------------------------
-
-#define LIKELY( exp )       (__builtin_expect( (exp) != 0, true  ))
-#define UNLIKELY( exp )     (__builtin_expect( (exp) != 0, false ))
-
-// When enabled, this feature allows you to send an event to the CameraService
-// so that you can cause all references to the heap object gWeakHeap, defined
-// below, to be printed. You will also need to set DEBUG_REFS=1 and
-// DEBUG_REFS_ENABLED_BY_DEFAULT=0 in libutils/RefBase.cpp. You just have to
-// set gWeakHeap to the appropriate heap you want to track.
-
-#define DEBUG_HEAP_LEAKS 0
-
-// ----------------------------------------------------------------------------
-
-class CameraService : public BnCameraService
-{
-    class Client;
-
-public:
-    static void instantiate();
-
-    // ICameraService interface
-    virtual sp<ICamera>     connect(const sp<ICameraClient>& cameraClient);
-
-    virtual status_t        dump(int fd, const Vector<String16>& args);
-
-            void            removeClient(const sp<ICameraClient>& cameraClient);
-
-    virtual status_t onTransact(
-        uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags);
-
-private:
-
-// ----------------------------------------------------------------------------
-
-    class Client : public BnCamera {
-
-    public:
-        virtual void            disconnect();
-
-        // connect new client with existing camera remote
-        virtual status_t        connect(const sp<ICameraClient>& client);
-
-        // prevent other processes from using this ICamera interface
-        virtual status_t        lock();
-
-        // allow other processes to use this ICamera interface
-        virtual status_t        unlock();
-
-        // pass the buffered ISurface to the camera service
-        virtual status_t        setPreviewDisplay(const sp<ISurface>& surface);
-
-        // set the preview callback flag to affect how the received frames from
-        // preview are handled.
-        virtual void            setPreviewCallbackFlag(int callback_flag);
-
-        // start preview mode, must call setPreviewDisplay first
-        virtual status_t        startPreview();
-
-        // stop preview mode
-        virtual void            stopPreview();
-
-        // get preview state
-        virtual bool            previewEnabled();
-
-        // start recording mode
-        virtual status_t        startRecording();
-
-        // stop recording mode
-        virtual void            stopRecording();
-
-        // get recording state
-        virtual bool            recordingEnabled();
-
-        // release a recording frame
-        virtual void            releaseRecordingFrame(const sp<IMemory>& mem);
-
-        // auto focus
-        virtual status_t        autoFocus();
-
-        // cancel auto focus
-        virtual status_t        cancelAutoFocus();
-
-        // take a picture - returns an IMemory (ref-counted mmap)
-        virtual status_t        takePicture();
-
-        // set preview/capture parameters - key/value pairs
-        virtual status_t        setParameters(const String8& params);
-
-        // get preview/capture parameters - key/value pairs
-        virtual String8         getParameters() const;
-
-        // send command to camera driver
-        virtual status_t        sendCommand(int32_t cmd, int32_t arg1, int32_t arg2);
-
-        // our client...
-        const sp<ICameraClient>&    getCameraClient() const { return mCameraClient; }
-
-    private:
-        friend class CameraService;
-                                Client(const sp<CameraService>& cameraService,
-                                        const sp<ICameraClient>& cameraClient,
-                                        pid_t clientPid);
-                                Client();
-        virtual                 ~Client();
-
-                    status_t    checkPid();
-
-        static      void        notifyCallback(int32_t msgType, int32_t ext1, int32_t ext2, void* user);
-        static      void        dataCallback(int32_t msgType, const sp<IMemory>& dataPtr, void* user);
-        static      void        dataCallbackTimestamp(nsecs_t timestamp, int32_t msgType,
-                                                      const sp<IMemory>& dataPtr, void* user);
-
-        static      sp<Client>  getClientFromCookie(void* user);
-
-                    void        handlePreviewData(const sp<IMemory>&);
-                    void        handleShutter(image_rect_type *image);
-                    void        handlePostview(const sp<IMemory>&);
-                    void        handleRawPicture(const sp<IMemory>&);
-                    void        handleCompressedPicture(const sp<IMemory>&);
-
-                    void        copyFrameAndPostCopiedFrame(const sp<ICameraClient>& client,
-                                    const sp<IMemoryHeap>& heap, size_t offset, size_t size);
-
-        // camera operation mode
-        enum camera_mode {
-            CAMERA_PREVIEW_MODE   = 0,  // frame automatically released
-            CAMERA_RECORDING_MODE = 1,  // frame has to be explicitly released by releaseRecordingFrame()
-        };
-        status_t                startCameraMode(camera_mode mode);
-        status_t                startPreviewMode();
-        status_t                startRecordingMode();
-        status_t                setOverlay();
-        status_t                registerPreviewBuffers();
-
-        // Ensures atomicity among the public methods
-        mutable     Mutex                       mLock;
-
-        // mSurfaceLock synchronizes access to mSurface between
-        // setPreviewSurface() and postPreviewFrame().  Note that among
-        // the public methods, all accesses to mSurface are
-        // syncrhonized by mLock.  However, postPreviewFrame() is called
-        // by the CameraHardwareInterface callback, and needs to
-        // access mSurface.  It cannot hold mLock, however, because
-        // stopPreview() may be holding that lock while attempting
-        // to stop preview, and stopPreview itself will block waiting
-        // for a callback from CameraHardwareInterface.  If this
-        // happens, it will cause a deadlock.
-        mutable     Mutex                       mSurfaceLock;
-        mutable     Condition                   mReady;
-                    sp<CameraService>           mCameraService;
-                    sp<ISurface>                mSurface;
-                    int                         mPreviewCallbackFlag;
-                    int                         mOrientation;
-
-                    sp<MediaPlayer>             mMediaPlayerClick;
-                    sp<MediaPlayer>             mMediaPlayerBeep;
-
-                    // these are immutable once the object is created,
-                    // they don't need to be protected by a lock
-                    sp<ICameraClient>           mCameraClient;
-                    sp<CameraHardwareInterface> mHardware;
-                    pid_t                       mClientPid;
-                    bool                        mUseOverlay;
-
-                    sp<OverlayRef>              mOverlayRef;
-                    int                         mOverlayW;
-                    int                         mOverlayH;
-
-        mutable     Mutex                       mPreviewLock;
-                    sp<MemoryHeapBase>          mPreviewBuffer;
-    };
-
-// ----------------------------------------------------------------------------
-
-                            CameraService();
-    virtual                 ~CameraService();
-
-    // We use a count for number of clients (shoule only be 0 or 1).
-    volatile    int32_t                     mUsers;
-    virtual     void                        incUsers();
-    virtual     void                        decUsers();
-
-    mutable     Mutex                       mServiceLock;
-                wp<Client>                  mClient;
-
-#if DEBUG_HEAP_LEAKS
-                wp<IMemoryHeap>             gWeakHeap;
-#endif
-};
-
-// ----------------------------------------------------------------------------
-
-}; // namespace android
-
-#endif
diff --git a/camera/libcameraservice/CannedJpeg.h b/camera/libcameraservice/CannedJpeg.h
deleted file mode 100644
index b6266fb..0000000
--- a/camera/libcameraservice/CannedJpeg.h
+++ /dev/null
@@ -1,734 +0,0 @@
-const int kCannedJpegWidth = 320;
-const int kCannedJpegHeight = 240;
-const int kCannedJpegSize = 8733;
-
-const char kCannedJpeg[] = {
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diff --git a/camera/libcameraservice/FakeCamera.cpp b/camera/libcameraservice/FakeCamera.cpp
deleted file mode 100644
index 6749899..0000000
--- a/camera/libcameraservice/FakeCamera.cpp
+++ /dev/null
@@ -1,430 +0,0 @@
-/*
-**
-** Copyright 2008, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License"); 
-** you may not use this file except in compliance with the License. 
-** You may obtain a copy of the License at 
-**
-**     http://www.apache.org/licenses/LICENSE-2.0 
-**
-** Unless required by applicable law or agreed to in writing, software 
-** distributed under the License is distributed on an "AS IS" BASIS, 
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
-** See the License for the specific language governing permissions and 
-** limitations under the License.
-*/
-
-#define LOG_TAG "FakeCamera"
-#include <utils/Log.h>
-
-#include <string.h>
-#include <stdlib.h>
-#include <utils/String8.h>
-
-#include "FakeCamera.h"
-
-
-namespace android {
-
-// TODO: All this rgb to yuv should probably be in a util class.
-
-// TODO: I think something is wrong in this class because the shadow is kBlue
-// and the square color should alternate between kRed and kGreen. However on the
-// emulator screen these are all shades of gray. Y seems ok but the U and V are
-// probably not.
-
-static int tables_initialized = 0;
-uint8_t *gYTable, *gCbTable, *gCrTable;
-
-static int
-clamp(int  x)
-{
-    if (x > 255) return 255;
-    if (x < 0)   return 0;
-    return x;
-}
-
-/* the equation used by the video code to translate YUV to RGB looks like this
- *
- *    Y  = (Y0 - 16)*k0
- *    Cb = Cb0 - 128
- *    Cr = Cr0 - 128
- *
- *    G = ( Y - k1*Cr - k2*Cb )
- *    R = ( Y + k3*Cr )
- *    B = ( Y + k4*Cb )
- *
- */
-
-static const double  k0 = 1.164;
-static const double  k1 = 0.813;
-static const double  k2 = 0.391;
-static const double  k3 = 1.596;
-static const double  k4 = 2.018;
-
-/* let's try to extract the value of Y
- *
- *   G + k1/k3*R + k2/k4*B = Y*( 1 + k1/k3 + k2/k4 )
- *
- *   Y  = ( G + k1/k3*R + k2/k4*B ) / (1 + k1/k3 + k2/k4)
- *   Y0 = ( G0 + k1/k3*R0 + k2/k4*B0 ) / ((1 + k1/k3 + k2/k4)*k0) + 16
- *
- * let define:
- *   kYr = k1/k3
- *   kYb = k2/k4
- *   kYy = k0 * ( 1 + kYr + kYb )
- *
- * we have:
- *    Y  = ( G + kYr*R + kYb*B )
- *    Y0 = clamp[ Y/kYy + 16 ]
- */
-
-static const double kYr = k1/k3;
-static const double kYb = k2/k4;
-static const double kYy = k0*( 1. + kYr + kYb );
-
-static void
-initYtab( void )
-{
-    const  int imax = (int)( (kYr + kYb)*(31 << 2) + (61 << 3) + 0.1 );
-    int    i;
-
-    gYTable = (uint8_t *)malloc(imax);
-
-    for(i=0; i<imax; i++) {
-        int  x = (int)(i/kYy + 16.5);
-        if (x < 16) x = 16;
-        else if (x > 235) x = 235;
-        gYTable[i] = (uint8_t) x;
-    }
-}
-
-/*
- *   the source is RGB565, so adjust for 8-bit range of input values:
- *
- *   G = (pixels >> 3) & 0xFC;
- *   R = (pixels >> 8) & 0xF8;
- *   B = (pixels & 0x1f) << 3;
- *
- *   R2 = (pixels >> 11)      R = R2*8
- *   B2 = (pixels & 0x1f)     B = B2*8
- *
- *   kYr*R = kYr2*R2 =>  kYr2 = kYr*8
- *   kYb*B = kYb2*B2 =>  kYb2 = kYb*8
- *
- *   we want to use integer multiplications:
- *
- *   SHIFT1 = 9
- *
- *   (ALPHA*R2) >> SHIFT1 == R*kYr  =>  ALPHA = kYr*8*(1 << SHIFT1)
- *
- *   ALPHA = kYr*(1 << (SHIFT1+3))
- *   BETA  = kYb*(1 << (SHIFT1+3))
- */
-
-static const int  SHIFT1  = 9;
-static const int  ALPHA   = (int)( kYr*(1 << (SHIFT1+3)) + 0.5 );
-static const int  BETA    = (int)( kYb*(1 << (SHIFT1+3)) + 0.5 );
-
-/*
- *  now let's try to get the values of Cb and Cr
- *
- *  R-B = (k3*Cr - k4*Cb)
- *
- *    k3*Cr = k4*Cb + (R-B)
- *    k4*Cb = k3*Cr - (R-B)
- *
- *  R-G = (k1+k3)*Cr + k2*Cb
- *      = (k1+k3)*Cr + k2/k4*(k3*Cr - (R-B)/k0)
- *      = (k1 + k3 + k2*k3/k4)*Cr - k2/k4*(R-B)
- *
- *  kRr*Cr = (R-G) + kYb*(R-B)
- *
- *  Cr  = ((R-G) + kYb*(R-B))/kRr
- *  Cr0 = clamp(Cr + 128)
- */
-
-static const double  kRr = (k1 + k3 + k2*k3/k4);
-
-static void
-initCrtab( void )
-{
-    uint8_t *pTable;
-    int i;
-
-    gCrTable = (uint8_t *)malloc(768*2);
-
-    pTable = gCrTable + 384;
-    for(i=-384; i<384; i++)
-        pTable[i] = (uint8_t) clamp( i/kRr + 128.5 );
-}
-
-/*
- *  B-G = (k2 + k4)*Cb + k1*Cr
- *      = (k2 + k4)*Cb + k1/k3*(k4*Cb + (R-B))
- *      = (k2 + k4 + k1*k4/k3)*Cb + k1/k3*(R-B)
- *
- *  kBb*Cb = (B-G) - kYr*(R-B)
- *
- *  Cb   = ((B-G) - kYr*(R-B))/kBb
- *  Cb0  = clamp(Cb + 128)
- *
- */
-
-static const double  kBb = (k2 + k4 + k1*k4/k3);
-
-static void
-initCbtab( void )
-{
-    uint8_t *pTable;
-    int i;
-
-    gCbTable = (uint8_t *)malloc(768*2);
-
-    pTable = gCbTable + 384;
-    for(i=-384; i<384; i++)
-        pTable[i] = (uint8_t) clamp( i/kBb + 128.5 );
-}
-
-/*
- *   SHIFT2 = 16
- *
- *   DELTA = kYb*(1 << SHIFT2)
- *   GAMMA = kYr*(1 << SHIFT2)
- */
-
-static const int  SHIFT2 = 16;
-static const int  DELTA  = kYb*(1 << SHIFT2);
-static const int  GAMMA  = kYr*(1 << SHIFT2);
-
-int32_t ccrgb16toyuv_wo_colorkey(uint8_t *rgb16,uint8_t *yuv422,uint32_t *param,uint8_t *table[])
-{
-    uint16_t *inputRGB = (uint16_t*)rgb16;
-    uint8_t *outYUV =  yuv422;
-    int32_t width_dst = param[0];
-    int32_t height_dst = param[1];
-    int32_t pitch_dst = param[2];
-    int32_t mheight_dst = param[3];
-    int32_t pitch_src = param[4];
-    uint8_t *y_tab = table[0];
-    uint8_t *cb_tab = table[1];
-    uint8_t *cr_tab = table[2];
-
-    int32_t size16 = pitch_dst*mheight_dst;
-    int32_t i,j,count;
-    int32_t ilimit,jlimit;
-    uint8_t *tempY,*tempU,*tempV;
-    uint16_t pixels;
-    int   tmp;
-uint32_t temp;
-
-    tempY = outYUV;
-    tempU = outYUV + (height_dst * pitch_dst);
-    tempV = tempU + 1;
-
-    jlimit = height_dst;
-    ilimit = width_dst;
-
-    for(j=0; j<jlimit; j+=1)
-    {
-        for (i=0; i<ilimit; i+=2)
-        {
-            int32_t   G_ds = 0, B_ds = 0, R_ds = 0;
-            uint8_t   y0, y1, u, v;
-
-            pixels =  inputRGB[i];
-            temp = (BETA*(pixels & 0x001F) + ALPHA*(pixels>>11) );
-            y0   = y_tab[(temp>>SHIFT1) + ((pixels>>3) & 0x00FC)];
-
-            G_ds    += (pixels>>1) & 0x03E0;
-            B_ds    += (pixels<<5) & 0x03E0;
-            R_ds    += (pixels>>6) & 0x03E0;
-
-            pixels =  inputRGB[i+1];
-            temp = (BETA*(pixels & 0x001F) + ALPHA*(pixels>>11) );
-            y1   = y_tab[(temp>>SHIFT1) + ((pixels>>3) & 0x00FC)];
-
-            G_ds    += (pixels>>1) & 0x03E0;
-            B_ds    += (pixels<<5) & 0x03E0;
-            R_ds    += (pixels>>6) & 0x03E0;
-
-            R_ds >>= 1;
-            B_ds >>= 1;
-            G_ds >>= 1;
-
-            tmp = R_ds - B_ds;
-
-            u = cb_tab[(((B_ds-G_ds)<<SHIFT2) - GAMMA*tmp)>>(SHIFT2+2)];
-            v = cr_tab[(((R_ds-G_ds)<<SHIFT2) + DELTA*tmp)>>(SHIFT2+2)];
-
-            tempY[0] = y0;
-            tempY[1] = y1;
-            tempU[0] = u;
-            tempV[0] = v;
-
-            tempY += 2;
-            tempU += 2;
-            tempV += 2;
-        }
-
-        inputRGB += pitch_src;
-    }
-
-    return 1;
-}
-
-#define min(a,b) ((a)<(b)?(a):(b))
-#define max(a,b) ((a)>(b)?(a):(b))
-
-static void convert_rgb16_to_yuv422(uint8_t *rgb, uint8_t *yuv, int width, int height)
-{
-    if (!tables_initialized) {
-        initYtab();
-        initCrtab();
-        initCbtab();
-        tables_initialized = 1;
-    }
-
-    uint32_t param[6];
-    param[0] = (uint32_t) width;
-    param[1] = (uint32_t) height;
-    param[2] = (uint32_t) width;
-    param[3] = (uint32_t) height;
-    param[4] = (uint32_t) width;
-    param[5] = (uint32_t) 0;
-
-    uint8_t *table[3];
-    table[0] = gYTable;
-    table[1] = gCbTable + 384;
-    table[2] = gCrTable + 384;
-
-    ccrgb16toyuv_wo_colorkey(rgb, yuv, param, table);
-}
-
-const int FakeCamera::kRed;
-const int FakeCamera::kGreen;
-const int FakeCamera::kBlue;
-
-FakeCamera::FakeCamera(int width, int height)
-          : mTmpRgb16Buffer(0)
-{
-    setSize(width, height);
-}
-
-FakeCamera::~FakeCamera()
-{
-    delete[] mTmpRgb16Buffer;
-}
-
-void FakeCamera::setSize(int width, int height)
-{
-    mWidth = width;
-    mHeight = height;
-    mCounter = 0;
-    mCheckX = 0;
-    mCheckY = 0;
-
-    // This will cause it to be reallocated on the next call
-    // to getNextFrameAsYuv422().
-    delete[] mTmpRgb16Buffer;
-    mTmpRgb16Buffer = 0;
-}
-
-void FakeCamera::getNextFrameAsRgb565(uint16_t *buffer)
-{
-    int size = mWidth / 10;
-
-    drawCheckerboard(buffer, size);
-
-    int x = ((mCounter*3)&255);
-    if(x>128) x = 255 - x;
-    int y = ((mCounter*5)&255);
-    if(y>128) y = 255 - y;
-
-    drawSquare(buffer, x*size/32, y*size/32, (size*5)>>1, (mCounter&0x100)?kRed:kGreen, kBlue);
-
-    mCounter++;
-}
-
-void FakeCamera::getNextFrameAsYuv422(uint8_t *buffer)
-{
-    if (mTmpRgb16Buffer == 0)
-        mTmpRgb16Buffer = new uint16_t[mWidth * mHeight];
-
-    getNextFrameAsRgb565(mTmpRgb16Buffer);
-    convert_rgb16_to_yuv422((uint8_t*)mTmpRgb16Buffer, buffer, mWidth, mHeight);
-}
-
-void FakeCamera::drawSquare(uint16_t *dst, int x, int y, int size, int color, int shadow)
-{
-    int square_xstop, square_ystop, shadow_xstop, shadow_ystop;
-
-    square_xstop = min(mWidth, x+size);
-    square_ystop = min(mHeight, y+size);
-    shadow_xstop = min(mWidth, x+size+(size/4));
-    shadow_ystop = min(mHeight, y+size+(size/4));
-
-    // Do the shadow.
-    uint16_t *sh = &dst[(y+(size/4))*mWidth];
-    for (int j = y + (size/4); j < shadow_ystop; j++) {
-        for (int i = x + (size/4); i < shadow_xstop; i++) {
-            sh[i] &= shadow;
-        }
-        sh += mWidth;
-    }
-
-    // Draw the square.
-    uint16_t *sq = &dst[y*mWidth];
-    for (int j = y; j < square_ystop; j++) {
-        for (int i = x; i < square_xstop; i++) {
-            sq[i] = color;
-        }
-        sq += mWidth;
-    }
-}
-
-void FakeCamera::drawCheckerboard(uint16_t *dst, int size)
-{
-    bool black = true;
-
-    if((mCheckX/size)&1)
-        black = false;
-    if((mCheckY/size)&1)
-        black = !black;
-
-    int county = mCheckY%size;
-    int checkxremainder = mCheckX%size;
-
-    for(int y=0;y<mHeight;y++) {
-        int countx = checkxremainder;
-        bool current = black;
-        for(int x=0;x<mWidth;x++) {
-            dst[y*mWidth+x] = current?0:0xffff;
-            if(countx++ >= size) {
-                countx=0;
-                current = !current;
-            }
-        }
-        if(county++ >= size) {
-            county=0;
-            black = !black;
-        }
-    }
-    mCheckX += 3;
-    mCheckY++;
-}
-
-
-void FakeCamera::dump(int fd) const
-{
-    const size_t SIZE = 256;
-    char buffer[SIZE];
-    String8 result;
-    snprintf(buffer, 255, " width x height (%d x %d), counter (%d), check x-y coordinate(%d, %d)\n", mWidth, mHeight, mCounter, mCheckX, mCheckY);
-    result.append(buffer);
-    ::write(fd, result.string(), result.size());
-}
-
-
-}; // namespace android
diff --git a/camera/libcameraservice/FakeCamera.h b/camera/libcameraservice/FakeCamera.h
deleted file mode 100644
index f7f8803..0000000
--- a/camera/libcameraservice/FakeCamera.h
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
-**
-** Copyright 2008, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License"); 
-** you may not use this file except in compliance with the License. 
-** You may obtain a copy of the License at 
-**
-**     http://www.apache.org/licenses/LICENSE-2.0 
-**
-** Unless required by applicable law or agreed to in writing, software 
-** distributed under the License is distributed on an "AS IS" BASIS, 
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
-** See the License for the specific language governing permissions and 
-** limitations under the License.
-*/
-
-#ifndef ANDROID_HARDWARE_FAKECAMERA_H
-#define ANDROID_HARDWARE_FAKECAMERA_H
-
-#include <sys/types.h>
-#include <stdint.h>
-
-namespace android {
-
-/*
- * FakeCamera is used in the CameraHardwareStub to provide a fake video feed
- * when the system does not have a camera in hardware.
- * The fake video is a moving black and white checkerboard background with a
- * bouncing gray square in the foreground.
- * This class is not thread-safe.
- *
- * TODO: Since the major methods provides a raw/uncompressed video feed, rename
- * this class to RawVideoSource.
- */
-
-class FakeCamera {
-public:
-    FakeCamera(int width, int height);
-    ~FakeCamera();
-
-    void setSize(int width, int height);
-    void getNextFrameAsYuv422(uint8_t *buffer);
-    // Write to the fd a string representing the current state.
-    void dump(int fd) const;
-
-private:
-    // TODO: remove the uint16_t buffer param everywhere since it is a field of
-    // this class.
-    void getNextFrameAsRgb565(uint16_t *buffer);
-
-    void drawSquare(uint16_t *buffer, int x, int y, int size, int color, int shadow);
-    void drawCheckerboard(uint16_t *buffer, int size);
-
-    static const int kRed = 0xf800;
-    static const int kGreen = 0x07c0;
-    static const int kBlue = 0x003e;
-
-    int         mWidth, mHeight;
-    int         mCounter;
-    int         mCheckX, mCheckY;
-    uint16_t    *mTmpRgb16Buffer;
-};
-
-}; // namespace android
-
-#endif // ANDROID_HARDWARE_FAKECAMERA_H
diff --git a/camera/tests/CameraServiceTest/Android.mk b/camera/tests/CameraServiceTest/Android.mk
deleted file mode 100644
index 9bb190a..0000000
--- a/camera/tests/CameraServiceTest/Android.mk
+++ /dev/null
@@ -1,24 +0,0 @@
-LOCAL_PATH:= $(call my-dir)
-
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES:= CameraServiceTest.cpp
-
-LOCAL_MODULE:= CameraServiceTest
-
-LOCAL_MODULE_TAGS := tests
-
-LOCAL_C_INCLUDES += \
-                frameworks/base/libs
-
-LOCAL_CFLAGS :=
-
-LOCAL_SHARED_LIBRARIES += \
-		libbinder \
-                libcutils \
-                libutils \
-                libui \
-                libcamera_client \
-                libsurfaceflinger_client
-
-include $(BUILD_EXECUTABLE)
diff --git a/camera/tests/CameraServiceTest/CameraServiceTest.cpp b/camera/tests/CameraServiceTest/CameraServiceTest.cpp
deleted file mode 100644
index 9fc795b..0000000
--- a/camera/tests/CameraServiceTest/CameraServiceTest.cpp
+++ /dev/null
@@ -1,849 +0,0 @@
-#define LOG_TAG "CameraServiceTest"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <unistd.h>
-#include <surfaceflinger/ISurface.h>
-#include <camera/Camera.h>
-#include <camera/CameraParameters.h>
-#include <ui/GraphicBuffer.h>
-#include <camera/ICamera.h>
-#include <camera/ICameraClient.h>
-#include <camera/ICameraService.h>
-#include <ui/Overlay.h>
-#include <binder/IPCThreadState.h>
-#include <binder/IServiceManager.h>
-#include <binder/ProcessState.h>
-#include <utils/KeyedVector.h>
-#include <utils/Log.h>
-#include <utils/Vector.h>
-#include <utils/threads.h>
-
-using namespace android;
-
-//
-//  Assertion and Logging utilities
-//
-#define INFO(...) \
-    do { \
-        printf(__VA_ARGS__); \
-        printf("\n"); \
-        LOGD(__VA_ARGS__); \
-    } while(0)
-
-void assert_fail(const char *file, int line, const char *func, const char *expr) {
-    INFO("assertion failed at file %s, line %d, function %s:",
-            file, line, func);
-    INFO("%s", expr);
-    exit(1);
-}
-
-void assert_eq_fail(const char *file, int line, const char *func,
-        const char *expr, int actual) {
-    INFO("assertion failed at file %s, line %d, function %s:",
-            file, line, func);
-    INFO("(expected) %s != (actual) %d", expr, actual);
-    exit(1);
-}
-
-#define ASSERT(e) \
-    do { \
-        if (!(e)) \
-            assert_fail(__FILE__, __LINE__, __func__, #e); \
-    } while(0)
-
-#define ASSERT_EQ(expected, actual) \
-    do { \
-        int _x = (actual); \
-        if (_x != (expected)) \
-            assert_eq_fail(__FILE__, __LINE__, __func__, #expected, _x); \
-    } while(0)
-
-//
-//  Holder service for pass objects between processes.
-//
-class IHolder : public IInterface {
-protected:
-    enum {
-        HOLDER_PUT = IBinder::FIRST_CALL_TRANSACTION,
-        HOLDER_GET,
-        HOLDER_CLEAR
-    };
-public:
-    DECLARE_META_INTERFACE(Holder);
-
-    virtual void put(sp<IBinder> obj) = 0;
-    virtual sp<IBinder> get() = 0;
-    virtual void clear() = 0;
-};
-
-class BnHolder : public BnInterface<IHolder> {
-    virtual status_t onTransact(uint32_t code,
-                                const Parcel& data,
-                                Parcel* reply,
-                                uint32_t flags = 0);
-};
-
-class BpHolder : public BpInterface<IHolder> {
-public:
-    BpHolder(const sp<IBinder>& impl)
-        : BpInterface<IHolder>(impl) {
-    }
-
-    virtual void put(sp<IBinder> obj) {
-        Parcel data, reply;
-        data.writeStrongBinder(obj);
-        remote()->transact(HOLDER_PUT, data, &reply, IBinder::FLAG_ONEWAY);
-    }
-
-    virtual sp<IBinder> get() {
-        Parcel data, reply;
-        remote()->transact(HOLDER_GET, data, &reply);
-        return reply.readStrongBinder();
-    }
-
-    virtual void clear() {
-        Parcel data, reply;
-        remote()->transact(HOLDER_CLEAR, data, &reply);
-    }
-};
-
-IMPLEMENT_META_INTERFACE(Holder, "CameraServiceTest.Holder");
-
-status_t BnHolder::onTransact(
-    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) {
-    switch(code) {
-        case HOLDER_PUT: {
-            put(data.readStrongBinder());
-            return NO_ERROR;
-        } break;
-        case HOLDER_GET: {
-            reply->writeStrongBinder(get());
-            return NO_ERROR;
-        } break;
-        case HOLDER_CLEAR: {
-            clear();
-            return NO_ERROR;
-        } break;
-        default:
-            return BBinder::onTransact(code, data, reply, flags);
-    }
-}
-
-class HolderService : public BnHolder {
-    virtual void put(sp<IBinder> obj) {
-        mObj = obj;
-    }
-    virtual sp<IBinder> get() {
-        return mObj;
-    }
-    virtual void clear() {
-        mObj.clear();
-    }
-private:
-    sp<IBinder> mObj;
-};
-
-//
-//  A mock CameraClient
-//
-class MCameraClient : public BnCameraClient {
-public:
-    virtual void notifyCallback(int32_t msgType, int32_t ext1, int32_t ext2);
-    virtual void dataCallback(int32_t msgType, const sp<IMemory>& data);
-    virtual void dataCallbackTimestamp(nsecs_t timestamp,
-            int32_t msgType, const sp<IMemory>& data) {}
-
-    // new functions
-    void clearStat();
-    enum OP { EQ, GE, LE, GT, LT };
-    void assertNotify(int32_t msgType, OP op, int count);
-    void assertData(int32_t msgType, OP op, int count);
-    void waitNotify(int32_t msgType, OP op, int count);
-    void waitData(int32_t msgType, OP op, int count);
-    void assertDataSize(int32_t msgType, OP op, int dataSize);
-
-    void setReleaser(ICamera *releaser) {
-        mReleaser = releaser;
-    }
-private:
-    Mutex mLock;
-    Condition mCond;
-    DefaultKeyedVector<int32_t, int> mNotifyCount;
-    DefaultKeyedVector<int32_t, int> mDataCount;
-    DefaultKeyedVector<int32_t, int> mDataSize;
-    bool test(OP op, int v1, int v2);
-
-    ICamera *mReleaser;
-};
-
-void MCameraClient::clearStat() {
-    Mutex::Autolock _l(mLock);
-    mNotifyCount.clear();
-    mDataCount.clear();
-    mDataSize.clear();
-}
-
-bool MCameraClient::test(OP op, int v1, int v2) {
-    switch (op) {
-        case EQ: return v1 == v2;
-        case GT: return v1 > v2;
-        case LT: return v1 < v2;
-        case GE: return v1 >= v2;
-        case LE: return v1 <= v2;
-        default: ASSERT(0); break;
-    }
-    return false;
-}
-
-void MCameraClient::assertNotify(int32_t msgType, OP op, int count) {
-    Mutex::Autolock _l(mLock);
-    int v = mNotifyCount.valueFor(msgType);
-    ASSERT(test(op, v, count));
-}
-
-void MCameraClient::assertData(int32_t msgType, OP op, int count) {
-    Mutex::Autolock _l(mLock);
-    int v = mDataCount.valueFor(msgType);
-    ASSERT(test(op, v, count));
-}
-
-void MCameraClient::assertDataSize(int32_t msgType, OP op, int dataSize) {
-    Mutex::Autolock _l(mLock);
-    int v = mDataSize.valueFor(msgType);
-    ASSERT(test(op, v, dataSize));
-}
-
-void MCameraClient::notifyCallback(int32_t msgType, int32_t ext1, int32_t ext2) {
-    INFO(__func__);
-    Mutex::Autolock _l(mLock);
-    ssize_t i = mNotifyCount.indexOfKey(msgType);
-    if (i < 0) {
-        mNotifyCount.add(msgType, 1);
-    } else {
-        ++mNotifyCount.editValueAt(i);
-    }
-    mCond.signal();
-}
-
-void MCameraClient::dataCallback(int32_t msgType, const sp<IMemory>& data) {
-    INFO(__func__);
-    int dataSize = data->size();
-    INFO("data type = %d, size = %d", msgType, dataSize);
-    Mutex::Autolock _l(mLock);
-    ssize_t i = mDataCount.indexOfKey(msgType);
-    if (i < 0) {
-        mDataCount.add(msgType, 1);
-        mDataSize.add(msgType, dataSize);
-    } else {
-        ++mDataCount.editValueAt(i);
-        mDataSize.editValueAt(i) = dataSize;
-    }
-    mCond.signal();
-
-    if (msgType == CAMERA_MSG_VIDEO_FRAME) {
-        ASSERT(mReleaser != NULL);
-        mReleaser->releaseRecordingFrame(data);
-    }
-}
-
-void MCameraClient::waitNotify(int32_t msgType, OP op, int count) {
-    INFO("waitNotify: %d, %d, %d", msgType, op, count);
-    Mutex::Autolock _l(mLock);
-    while (true) {
-        int v = mNotifyCount.valueFor(msgType);
-        if (test(op, v, count)) {
-            break;
-        }
-        mCond.wait(mLock);
-    }
-}
-
-void MCameraClient::waitData(int32_t msgType, OP op, int count) {
-    INFO("waitData: %d, %d, %d", msgType, op, count);
-    Mutex::Autolock _l(mLock);
-    while (true) {
-        int v = mDataCount.valueFor(msgType);
-        if (test(op, v, count)) {
-            break;
-        }
-        mCond.wait(mLock);
-    }
-}
-
-//
-//  A mock Surface
-//
-class MSurface : public BnSurface {
-public:
-    virtual status_t registerBuffers(const BufferHeap& buffers);
-    virtual void postBuffer(ssize_t offset);
-    virtual void unregisterBuffers();
-    virtual sp<OverlayRef> createOverlay(
-            uint32_t w, uint32_t h, int32_t format, int32_t orientation);
-    virtual sp<GraphicBuffer> requestBuffer(int bufferIdx, int usage);
-
-    // new functions
-    void clearStat();
-    void waitUntil(int c0, int c1, int c2);
-
-private:
-    // check callback count
-    Condition mCond;
-    Mutex mLock;
-    int registerBuffersCount;
-    int postBufferCount;
-    int unregisterBuffersCount;
-};
-
-status_t MSurface::registerBuffers(const BufferHeap& buffers) {
-    INFO(__func__);
-    Mutex::Autolock _l(mLock);
-    ++registerBuffersCount;
-    mCond.signal();
-    return NO_ERROR;
-}
-
-void MSurface::postBuffer(ssize_t offset) {
-    // INFO(__func__);
-    Mutex::Autolock _l(mLock);
-    ++postBufferCount;
-    mCond.signal();
-}
-
-void MSurface::unregisterBuffers() {
-    INFO(__func__);
-    Mutex::Autolock _l(mLock);
-    ++unregisterBuffersCount;
-    mCond.signal();
-}
-
-sp<GraphicBuffer> MSurface::requestBuffer(int bufferIdx, int usage) {
-    INFO(__func__);
-    return NULL;
-}
-
-void MSurface::clearStat() {
-    Mutex::Autolock _l(mLock);
-    registerBuffersCount = 0;
-    postBufferCount = 0;
-    unregisterBuffersCount = 0;
-}
-
-void MSurface::waitUntil(int c0, int c1, int c2) {
-    INFO("waitUntil: %d %d %d", c0, c1, c2);
-    Mutex::Autolock _l(mLock);
-    while (true) {
-        if (registerBuffersCount >= c0 &&
-            postBufferCount >= c1 &&
-            unregisterBuffersCount >= c2) {
-            break;
-        }
-        mCond.wait(mLock);
-    }
-}
-
-sp<OverlayRef> MSurface::createOverlay(uint32_t w, uint32_t h, int32_t format,
-        int32_t orientation) {
-    // We don't expect this to be called in current hardware.
-    ASSERT(0);
-    sp<OverlayRef> dummy;
-    return dummy;
-}
-
-//
-//  Utilities to use the Holder service
-//
-sp<IHolder> getHolder() {
-    sp<IServiceManager> sm = defaultServiceManager();
-    ASSERT(sm != 0);
-    sp<IBinder> binder = sm->getService(String16("CameraServiceTest.Holder"));
-    ASSERT(binder != 0);
-    sp<IHolder> holder = interface_cast<IHolder>(binder);
-    ASSERT(holder != 0);
-    return holder;
-}
-
-void putTempObject(sp<IBinder> obj) {
-    INFO(__func__);
-    getHolder()->put(obj);
-}
-
-sp<IBinder> getTempObject() {
-    INFO(__func__);
-    return getHolder()->get();
-}
-
-void clearTempObject() {
-    INFO(__func__);
-    getHolder()->clear();
-}
-
-//
-//  Get a Camera Service
-//
-sp<ICameraService> getCameraService() {
-    sp<IServiceManager> sm = defaultServiceManager();
-    ASSERT(sm != 0);
-    sp<IBinder> binder = sm->getService(String16("media.camera"));
-    ASSERT(binder != 0);
-    sp<ICameraService> cs = interface_cast<ICameraService>(binder);
-    ASSERT(cs != 0);
-    return cs;
-}
-
-//
-// Various Connect Tests
-//
-void testConnect() {
-    INFO(__func__);
-    sp<ICameraService> cs = getCameraService();
-    sp<MCameraClient> cc = new MCameraClient();
-    sp<ICamera> c = cs->connect(cc);
-    ASSERT(c != 0);
-    c->disconnect();
-}
-
-void testAllowConnectOnceOnly() {
-    INFO(__func__);
-    sp<ICameraService> cs = getCameraService();
-    // Connect the first client.
-    sp<MCameraClient> cc = new MCameraClient();
-    sp<ICamera> c = cs->connect(cc);
-    ASSERT(c != 0);
-    // Same client -- ok.
-    ASSERT(cs->connect(cc) != 0);
-    // Different client -- not ok.
-    sp<MCameraClient> cc2 = new MCameraClient();
-    ASSERT(cs->connect(cc2) == 0);
-    c->disconnect();
-}
-
-void testReconnectFailed() {
-    INFO(__func__);
-    sp<ICamera> c = interface_cast<ICamera>(getTempObject());
-    sp<MCameraClient> cc2 = new MCameraClient();
-    ASSERT(c->connect(cc2) != NO_ERROR);
-}
-
-void testReconnectSuccess() {
-    INFO(__func__);
-    sp<ICamera> c = interface_cast<ICamera>(getTempObject());
-    sp<MCameraClient> cc = new MCameraClient();
-    ASSERT(c->connect(cc) == NO_ERROR);
-}
-
-void testLockFailed() {
-    INFO(__func__);
-    sp<ICamera> c = interface_cast<ICamera>(getTempObject());
-    ASSERT(c->lock() != NO_ERROR);
-}
-
-void testLockUnlockSuccess() {
-    INFO(__func__);
-    sp<ICamera> c = interface_cast<ICamera>(getTempObject());
-    ASSERT(c->lock() == NO_ERROR);
-    ASSERT(c->unlock() == NO_ERROR);
-}
-
-void testLockSuccess() {
-    INFO(__func__);
-    sp<ICamera> c = interface_cast<ICamera>(getTempObject());
-    ASSERT(c->lock() == NO_ERROR);
-}
-
-//
-// Run the connect tests in another process.
-//
-const char *gExecutable;
-
-struct FunctionTableEntry {
-    const char *name;
-    void (*func)();
-};
-
-FunctionTableEntry function_table[] = {
-#define ENTRY(x) {#x, &x}
-    ENTRY(testReconnectFailed),
-    ENTRY(testReconnectSuccess),
-    ENTRY(testLockUnlockSuccess),
-    ENTRY(testLockFailed),
-    ENTRY(testLockSuccess),
-#undef ENTRY
-};
-
-void runFunction(const char *tag) {
-    INFO("runFunction: %s", tag);
-    int entries = sizeof(function_table) / sizeof(function_table[0]);
-    for (int i = 0; i < entries; i++) {
-        if (strcmp(function_table[i].name, tag) == 0) {
-            (*function_table[i].func)();
-            return;
-        }
-    }
-    ASSERT(0);
-}
-
-void runInAnotherProcess(const char *tag) {
-    pid_t pid = fork();
-    if (pid == 0) {
-        execlp(gExecutable, gExecutable, tag, NULL);
-        ASSERT(0);
-    } else {
-        int status;
-        ASSERT_EQ(pid, wait(&status));
-        ASSERT_EQ(0, status);
-    }
-}
-
-void testReconnect() {
-    INFO(__func__);
-    sp<ICameraService> cs = getCameraService();
-    sp<MCameraClient> cc = new MCameraClient();
-    sp<ICamera> c = cs->connect(cc);
-    ASSERT(c != 0);
-    // Reconnect to the same client -- ok.
-    ASSERT(c->connect(cc) == NO_ERROR);
-    // Reconnect to a different client (but the same pid) -- ok.
-    sp<MCameraClient> cc2 = new MCameraClient();
-    ASSERT(c->connect(cc2) == NO_ERROR);
-    c->disconnect();
-    cc->assertNotify(CAMERA_MSG_ERROR, MCameraClient::EQ, 0);
-}
-
-void testLockUnlock() {
-    sp<ICameraService> cs = getCameraService();
-    sp<MCameraClient> cc = new MCameraClient();
-    sp<ICamera> c = cs->connect(cc);
-    ASSERT(c != 0);
-    // We can lock as many times as we want.
-    ASSERT(c->lock() == NO_ERROR);
-    ASSERT(c->lock() == NO_ERROR);
-    // Lock from a different process -- not ok.
-    putTempObject(c->asBinder());
-    runInAnotherProcess("testLockFailed");
-    // Unlock then lock from a different process -- ok.
-    ASSERT(c->unlock() == NO_ERROR);
-    runInAnotherProcess("testLockUnlockSuccess");
-    // Unlock then lock from a different process -- ok.
-    runInAnotherProcess("testLockSuccess");
-    c->disconnect();
-    clearTempObject();
-}
-
-void testReconnectFromAnotherProcess() {
-    INFO(__func__);
-
-    sp<ICameraService> cs = getCameraService();
-    sp<MCameraClient> cc = new MCameraClient();
-    sp<ICamera> c = cs->connect(cc);
-    ASSERT(c != 0);
-    // Reconnect from a different process -- not ok.
-    putTempObject(c->asBinder());
-    runInAnotherProcess("testReconnectFailed");
-    // Unlock then reconnect from a different process -- ok.
-    ASSERT(c->unlock() == NO_ERROR);
-    runInAnotherProcess("testReconnectSuccess");
-    c->disconnect();
-    clearTempObject();
-}
-
-// We need to flush the command buffer after the reference
-// to ICamera is gone. The sleep is for the server to run
-// the destructor for it.
-static void flushCommands() {
-    IPCThreadState::self()->flushCommands();
-    usleep(200000);  // 200ms
-}
-
-// Run a test case
-#define RUN(class_name) do { \
-    { \
-        INFO(#class_name); \
-        class_name instance; \
-        instance.run(); \
-    } \
-    flushCommands(); \
-} while(0)
-
-// Base test case after the the camera is connected.
-class AfterConnect {
-protected:
-    sp<ICameraService> cs;
-    sp<MCameraClient> cc;
-    sp<ICamera> c;
-
-    AfterConnect() {
-        cs = getCameraService();
-        cc = new MCameraClient();
-        c = cs->connect(cc);
-        ASSERT(c != 0);
-    }
-
-    ~AfterConnect() {
-        c.clear();
-        cc.clear();
-        cs.clear();
-    }
-};
-
-class TestSetPreviewDisplay : public AfterConnect {
-public:
-    void run() {
-        sp<MSurface> surface = new MSurface();
-        ASSERT(c->setPreviewDisplay(surface) == NO_ERROR);
-        c->disconnect();
-        cc->assertNotify(CAMERA_MSG_ERROR, MCameraClient::EQ, 0);
-    }
-};
-
-class TestStartPreview : public AfterConnect {
-public:
-    void run() {
-        sp<MSurface> surface = new MSurface();
-        ASSERT(c->setPreviewDisplay(surface) == NO_ERROR);
-
-        ASSERT(c->startPreview() == NO_ERROR);
-        ASSERT(c->previewEnabled() == true);
-
-        surface->waitUntil(1, 10, 0); // needs 1 registerBuffers and 10 postBuffer
-        surface->clearStat();
-
-        c->disconnect();
-        // TODO: CameraService crashes for this. Fix it.
-#if 0
-        sp<MSurface> another_surface = new MSurface();
-        c->setPreviewDisplay(another_surface);  // just to make sure unregisterBuffers
-                                                // is called.
-        surface->waitUntil(0, 0, 1);  // needs unregisterBuffers
-#endif
-        cc->assertNotify(CAMERA_MSG_ERROR, MCameraClient::EQ, 0);
-    }
-};
-
-class TestStartPreviewWithoutDisplay : AfterConnect {
-public:
-    void run() {
-        ASSERT(c->startPreview() == NO_ERROR);
-        ASSERT(c->previewEnabled() == true);
-        c->disconnect();
-        cc->assertNotify(CAMERA_MSG_ERROR, MCameraClient::EQ, 0);
-    }
-};
-
-// Base test case after the the camera is connected and the preview is started.
-class AfterStartPreview : public AfterConnect {
-protected:
-    sp<MSurface> surface;
-
-    AfterStartPreview() {
-        surface = new MSurface();
-        ASSERT(c->setPreviewDisplay(surface) == NO_ERROR);
-        ASSERT(c->startPreview() == NO_ERROR);
-    }
-
-    ~AfterStartPreview() {
-        surface.clear();
-    }
-};
-
-class TestAutoFocus : public AfterStartPreview {
-public:
-    void run() {
-        cc->assertNotify(CAMERA_MSG_FOCUS, MCameraClient::EQ, 0);
-        c->autoFocus();
-        cc->waitNotify(CAMERA_MSG_FOCUS, MCameraClient::EQ, 1);
-        c->disconnect();
-        cc->assertNotify(CAMERA_MSG_ERROR, MCameraClient::EQ, 0);
-    }
-};
-
-class TestStopPreview : public AfterStartPreview {
-public:
-    void run() {
-        ASSERT(c->previewEnabled() == true);
-        c->stopPreview();
-        ASSERT(c->previewEnabled() == false);
-        c->disconnect();
-        cc->assertNotify(CAMERA_MSG_ERROR, MCameraClient::EQ, 0);
-    }
-};
-
-class TestTakePicture: public AfterStartPreview {
-public:
-    void run() {
-        ASSERT(c->takePicture() == NO_ERROR);
-        cc->waitNotify(CAMERA_MSG_SHUTTER, MCameraClient::EQ, 1);
-        cc->waitData(CAMERA_MSG_RAW_IMAGE, MCameraClient::EQ, 1);
-        cc->waitData(CAMERA_MSG_COMPRESSED_IMAGE, MCameraClient::EQ, 1);
-        c->stopPreview();
-#if 1  // TODO: It crashes if we don't have this. Fix it.
-        usleep(100000);
-#endif
-        c->disconnect();
-        cc->assertNotify(CAMERA_MSG_ERROR, MCameraClient::EQ, 0);
-    }
-};
-
-class TestTakeMultiplePictures: public AfterStartPreview {
-public:
-    void run() {
-        for (int i = 0; i < 10; i++) {
-            cc->clearStat();
-            ASSERT(c->takePicture() == NO_ERROR);
-            cc->waitNotify(CAMERA_MSG_SHUTTER, MCameraClient::EQ, 1);
-            cc->waitData(CAMERA_MSG_RAW_IMAGE, MCameraClient::EQ, 1);
-            cc->waitData(CAMERA_MSG_COMPRESSED_IMAGE, MCameraClient::EQ, 1);
-            usleep(100000);  // 100ms
-        }
-        c->disconnect();
-        cc->assertNotify(CAMERA_MSG_ERROR, MCameraClient::EQ, 0);
-    }
-};
-
-class TestGetParameters: public AfterStartPreview {
-public:
-    void run() {
-        String8 param_str = c->getParameters();
-        INFO(param_str);
-    }
-};
-
-class TestPictureSize : public AfterStartPreview {
-public:
-    void checkOnePicture(int w, int h) {
-        const float rate = 0.5;  // byte per pixel limit
-        int pixels = w * h;
-
-        CameraParameters param(c->getParameters());
-        param.setPictureSize(w, h);
-        c->setParameters(param.flatten());
-
-        cc->clearStat();
-        ASSERT(c->takePicture() == NO_ERROR);
-        cc->waitData(CAMERA_MSG_RAW_IMAGE, MCameraClient::EQ, 1);
-        cc->assertDataSize(CAMERA_MSG_RAW_IMAGE, MCameraClient::EQ, pixels*3/2);
-        cc->waitData(CAMERA_MSG_COMPRESSED_IMAGE, MCameraClient::EQ, 1);
-        cc->assertDataSize(CAMERA_MSG_COMPRESSED_IMAGE, MCameraClient::LT,
-                int(pixels * rate));
-        cc->assertDataSize(CAMERA_MSG_COMPRESSED_IMAGE, MCameraClient::GT, 0);
-        cc->assertNotify(CAMERA_MSG_ERROR, MCameraClient::EQ, 0);
-        usleep(100000);  // 100ms
-    }
-
-    void run() {
-        checkOnePicture(2048, 1536);
-        checkOnePicture(1600, 1200);
-        checkOnePicture(1024, 768);
-    }
-};
-
-class TestPreviewCallbackFlag : public AfterConnect {
-public:
-    void run() {
-        sp<MSurface> surface = new MSurface();
-        ASSERT(c->setPreviewDisplay(surface) == NO_ERROR);
-
-        // Try all flag combinations.
-        for (int v = 0; v < 8; v++) {
-            cc->clearStat();
-            c->setPreviewCallbackFlag(v);
-            ASSERT(c->previewEnabled() == false);
-            ASSERT(c->startPreview() == NO_ERROR);
-            ASSERT(c->previewEnabled() == true);
-            sleep(2);
-            c->stopPreview();
-            if ((v & FRAME_CALLBACK_FLAG_ENABLE_MASK) == 0) {
-                cc->assertData(CAMERA_MSG_PREVIEW_FRAME, MCameraClient::EQ, 0);
-            } else {
-                if ((v & FRAME_CALLBACK_FLAG_ONE_SHOT_MASK) == 0) {
-                    cc->assertData(CAMERA_MSG_PREVIEW_FRAME, MCameraClient::GE, 10);
-                } else {
-                    cc->assertData(CAMERA_MSG_PREVIEW_FRAME, MCameraClient::EQ, 1);
-                }
-            }
-        }
-    }
-};
-
-class TestRecording : public AfterConnect {
-public:
-    void run() {
-        ASSERT(c->recordingEnabled() == false);
-        sp<MSurface> surface = new MSurface();
-        ASSERT(c->setPreviewDisplay(surface) == NO_ERROR);
-        c->setPreviewCallbackFlag(FRAME_CALLBACK_FLAG_ENABLE_MASK);
-        cc->setReleaser(c.get());
-        c->startRecording();
-        ASSERT(c->recordingEnabled() == true);
-        sleep(2);
-        c->stopRecording();
-        cc->setReleaser(NULL);
-        cc->assertData(CAMERA_MSG_VIDEO_FRAME, MCameraClient::GE, 10);
-    }
-};
-
-class TestPreviewSize : public AfterStartPreview {
-public:
-    void checkOnePicture(int w, int h) {
-        int size = w*h*3/2;  // should read from parameters
-
-        c->stopPreview();
-
-        CameraParameters param(c->getParameters());
-        param.setPreviewSize(w, h);
-        c->setPreviewCallbackFlag(FRAME_CALLBACK_FLAG_ENABLE_MASK);
-        c->setParameters(param.flatten());
-
-        c->startPreview();
-
-        cc->clearStat();
-        cc->waitData(CAMERA_MSG_PREVIEW_FRAME, MCameraClient::GE, 1);
-        cc->assertDataSize(CAMERA_MSG_PREVIEW_FRAME, MCameraClient::EQ, size);
-    }
-
-    void run() {
-        checkOnePicture(480, 320);
-        checkOnePicture(352, 288);
-        checkOnePicture(176, 144);
-    }
-};
-
-void runHolderService() {
-    defaultServiceManager()->addService(
-            String16("CameraServiceTest.Holder"), new HolderService());
-    ProcessState::self()->startThreadPool();
-}
-
-int main(int argc, char **argv)
-{
-    if (argc != 1) {
-        runFunction(argv[1]);
-        return 0;
-    }
-    INFO("CameraServiceTest start");
-    gExecutable = argv[0];
-    runHolderService();
-
-    testConnect();                              flushCommands();
-    testAllowConnectOnceOnly();                 flushCommands();
-    testReconnect();                            flushCommands();
-    testLockUnlock();                           flushCommands();
-    testReconnectFromAnotherProcess();          flushCommands();
-
-    RUN(TestSetPreviewDisplay);
-    RUN(TestStartPreview);
-    RUN(TestStartPreviewWithoutDisplay);
-    RUN(TestAutoFocus);
-    RUN(TestStopPreview);
-    RUN(TestTakePicture);
-    RUN(TestTakeMultiplePictures);
-    RUN(TestGetParameters);
-    RUN(TestPictureSize);
-    RUN(TestPreviewCallbackFlag);
-    RUN(TestRecording);
-    RUN(TestPreviewSize);
-}
diff --git a/cmds/surfaceflinger/Android.mk b/cmds/surfaceflinger/Android.mk
index bfa58a1..1df32bb 100644
--- a/cmds/surfaceflinger/Android.mk
+++ b/cmds/surfaceflinger/Android.mk
@@ -10,7 +10,7 @@
 	libutils
 
 LOCAL_C_INCLUDES := \
-	$(LOCAL_PATH)/../../libs/surfaceflinger
+	$(LOCAL_PATH)/../../services/surfaceflinger
 
 LOCAL_MODULE:= surfaceflinger
 
diff --git a/cmds/surfaceflinger/main_surfaceflinger.cpp b/cmds/surfaceflinger/main_surfaceflinger.cpp
index d650721..78b1007 100644
--- a/cmds/surfaceflinger/main_surfaceflinger.cpp
+++ b/cmds/surfaceflinger/main_surfaceflinger.cpp
@@ -1,18 +1,25 @@
-#include <binder/IPCThreadState.h>
-#include <binder/ProcessState.h>
-#include <binder/IServiceManager.h>
-#include <utils/Log.h>
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
+#include <binder/BinderService.h>
 #include <SurfaceFlinger.h>
 
 using namespace android;
 
-int main(int argc, char** argv)
-{
-    sp<ProcessState> proc(ProcessState::self());
-    sp<IServiceManager> sm = defaultServiceManager();
-    LOGI("ServiceManager: %p", sm.get());
-    SurfaceFlinger::instantiate();
-    ProcessState::self()->startThreadPool();
-    IPCThreadState::self()->joinThreadPool();
+int main(int argc, char** argv) {
+    SurfaceFlinger::publishAndJoinThreadPool();
+    return 0;
 }
diff --git a/include/binder/BinderService.h b/include/binder/BinderService.h
new file mode 100644
index 0000000..2316fef
--- /dev/null
+++ b/include/binder/BinderService.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_BINDER_SERVICE_H
+#define ANDROID_BINDER_SERVICE_H
+
+#include <stdint.h>
+
+#include <utils/Errors.h>
+#include <utils/String16.h>
+
+#include <binder/IServiceManager.h>
+#include <binder/IPCThreadState.h>
+#include <binder/ProcessState.h>
+#include <binder/IServiceManager.h>
+
+// ---------------------------------------------------------------------------
+namespace android {
+
+template<typename SERVICE>
+class BinderService
+{
+public:
+    static status_t publish() {
+        sp<IServiceManager> sm(defaultServiceManager());
+        return sm->addService(String16(SERVICE::getServiceName()), new SERVICE());
+    }
+
+    static void publishAndJoinThreadPool() {
+        sp<ProcessState> proc(ProcessState::self());
+        sp<IServiceManager> sm(defaultServiceManager());
+        sm->addService(String16(SERVICE::getServiceName()), new SERVICE());
+        ProcessState::self()->startThreadPool();
+        IPCThreadState::self()->joinThreadPool();
+    }
+
+    static void instantiate() { publish(); }
+
+    static status_t shutdown() {
+        return NO_ERROR;
+    }
+};
+
+
+}; // namespace android
+// ---------------------------------------------------------------------------
+#endif // ANDROID_BINDER_SERVICE_H
diff --git a/include/binder/IInterface.h b/include/binder/IInterface.h
index 273d922..5f9f69c 100644
--- a/include/binder/IInterface.h
+++ b/include/binder/IInterface.h
@@ -72,21 +72,24 @@
 // ----------------------------------------------------------------------
 
 #define DECLARE_META_INTERFACE(INTERFACE)                               \
-    static const String16 descriptor;                                   \
-    static sp<I##INTERFACE> asInterface(const sp<IBinder>& obj);        \
-    virtual const String16& getInterfaceDescriptor() const;             \
+    static const android::String16 descriptor;                          \
+    static android::sp<I##INTERFACE> asInterface(                       \
+            const android::sp<android::IBinder>& obj);                  \
+    virtual const android::String16& getInterfaceDescriptor() const;    \
     I##INTERFACE();                                                     \
     virtual ~I##INTERFACE();                                            \
 
 
 #define IMPLEMENT_META_INTERFACE(INTERFACE, NAME)                       \
-    const String16 I##INTERFACE::descriptor(NAME);                      \
-    const String16& I##INTERFACE::getInterfaceDescriptor() const {      \
+    const android::String16 I##INTERFACE::descriptor(NAME);             \
+    const android::String16&                                            \
+            I##INTERFACE::getInterfaceDescriptor() const {              \
         return I##INTERFACE::descriptor;                                \
     }                                                                   \
-    sp<I##INTERFACE> I##INTERFACE::asInterface(const sp<IBinder>& obj)  \
+    android::sp<I##INTERFACE> I##INTERFACE::asInterface(                \
+            const android::sp<android::IBinder>& obj)                   \
     {                                                                   \
-        sp<I##INTERFACE> intr;                                          \
+        android::sp<I##INTERFACE> intr;                                 \
         if (obj != NULL) {                                              \
             intr = static_cast<I##INTERFACE*>(                          \
                 obj->queryLocalInterface(                               \
diff --git a/include/binder/IPCThreadState.h b/include/binder/IPCThreadState.h
index 3ab985d..04e24d2 100644
--- a/include/binder/IPCThreadState.h
+++ b/include/binder/IPCThreadState.h
@@ -40,6 +40,9 @@
 
             int                 getCallingPid();
             int                 getCallingUid();
+
+            void                setStrictModePolicy(int32_t policy);
+            int32_t             getStrictModePolicy() const;
             
             int64_t             clearCallingIdentity();
             void                restoreCallingIdentity(int64_t token);
@@ -109,8 +112,9 @@
             status_t            mLastError;
             pid_t               mCallingPid;
             uid_t               mCallingUid;
+            int32_t             mStrictModePolicy;
 };
-    
+
 }; // namespace android
 
 // ---------------------------------------------------------------------------
diff --git a/include/binder/Parcel.h b/include/binder/Parcel.h
index 66c34b2..fd0fc1f 100644
--- a/include/binder/Parcel.h
+++ b/include/binder/Parcel.h
@@ -56,9 +56,16 @@
 
     bool                hasFileDescriptors() const;
 
+    // Writes the RPC header.
     status_t            writeInterfaceToken(const String16& interface);
-    bool                enforceInterface(const String16& interface) const;
-    bool                checkInterface(IBinder*) const;    
+
+    // Parses the RPC header, returning true if the interface name
+    // in the header matches the expected interface from the caller.
+    // If strict_policy_out is non-NULL, the RPC header's StrictMode policy
+    // mask is returned.
+    bool                enforceInterface(const String16& interface,
+                                         int32_t* strict_policy_out = NULL) const;
+    bool                checkInterface(IBinder*) const;
 
     void                freeData();
 
@@ -100,6 +107,11 @@
     
     status_t            writeObject(const flat_binder_object& val, bool nullMetaData);
 
+    // Like Parcel.java's writeNoException().  Just writes a zero int32.
+    // Currently the native implementation doesn't do any of the StrictMode
+    // stack gathering and serialization that the Java implementation does.
+    status_t            writeNoException();
+
     void                remove(size_t start, size_t amt);
     
     status_t            read(void* outData, size_t len) const;
@@ -122,7 +134,14 @@
     sp<IBinder>         readStrongBinder() const;
     wp<IBinder>         readWeakBinder() const;
     status_t            read(Flattenable& val) const;
-    
+
+    // Like Parcel.java's readExceptionCode().  Reads the first int32
+    // off of a Parcel's header, returning 0 or the negative error
+    // code on exceptions, but also deals with skipping over rich
+    // response headers.  Callers should use this to read & parse the
+    // response headers rather than doing it by hand.
+    int32_t             readExceptionCode() const;
+
     // Retrieve native_handle from the parcel. This returns a copy of the
     // parcel's native_handle (the caller takes ownership). The caller
     // must free the native_handle with native_handle_close() and 
diff --git a/include/gui/ISensorEventConnection.h b/include/gui/ISensorEventConnection.h
new file mode 100644
index 0000000..ed4e4cc
--- /dev/null
+++ b/include/gui/ISensorEventConnection.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_GUI_ISENSOR_EVENT_CONNECTION_H
+#define ANDROID_GUI_ISENSOR_EVENT_CONNECTION_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/RefBase.h>
+
+#include <binder/IInterface.h>
+
+namespace android {
+// ----------------------------------------------------------------------------
+
+class SensorChannel;
+
+class ISensorEventConnection : public IInterface
+{
+public:
+    DECLARE_META_INTERFACE(SensorEventConnection);
+
+    virtual sp<SensorChannel> getSensorChannel() const = 0;
+    virtual status_t enableDisable(int handle, bool enabled) = 0;
+    virtual status_t setEventRate(int handle, nsecs_t ns) = 0;
+};
+
+// ----------------------------------------------------------------------------
+
+class BnSensorEventConnection : public BnInterface<ISensorEventConnection>
+{
+public:
+    virtual status_t    onTransact( uint32_t code,
+                                    const Parcel& data,
+                                    Parcel* reply,
+                                    uint32_t flags = 0);
+};
+
+// ----------------------------------------------------------------------------
+}; // namespace android
+
+#endif // ANDROID_GUI_ISENSOR_EVENT_CONNECTION_H
diff --git a/include/gui/ISensorServer.h b/include/gui/ISensorServer.h
new file mode 100644
index 0000000..3e05076
--- /dev/null
+++ b/include/gui/ISensorServer.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_GUI_ISENSORSERVER_H
+#define ANDROID_GUI_ISENSORSERVER_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/RefBase.h>
+
+#include <binder/IInterface.h>
+
+namespace android {
+// ----------------------------------------------------------------------------
+
+class Sensor;
+class ISensorEventConnection;
+
+class ISensorServer : public IInterface
+{
+public:
+    DECLARE_META_INTERFACE(SensorServer);
+
+    virtual Vector<Sensor> getSensorList()= 0;
+    virtual sp<ISensorEventConnection> createSensorEventConnection() = 0;
+};
+
+// ----------------------------------------------------------------------------
+
+class BnSensorServer : public BnInterface<ISensorServer>
+{
+public:
+    virtual status_t    onTransact( uint32_t code,
+                                    const Parcel& data,
+                                    Parcel* reply,
+                                    uint32_t flags = 0);
+};
+
+// ----------------------------------------------------------------------------
+}; // namespace android
+
+#endif // ANDROID_GUI_ISENSORSERVER_H
diff --git a/include/gui/Sensor.h b/include/gui/Sensor.h
new file mode 100644
index 0000000..86a16f1
--- /dev/null
+++ b/include/gui/Sensor.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_GUI_SENSOR_H
+#define ANDROID_GUI_SENSOR_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/String8.h>
+#include <utils/Flattenable.h>
+
+#include <hardware/sensors.h>
+
+#include <android/sensor.h>
+
+// ----------------------------------------------------------------------------
+// Concrete types for the NDK
+struct ASensor { };
+
+// ----------------------------------------------------------------------------
+namespace android {
+// ----------------------------------------------------------------------------
+
+class Parcel;
+
+// ----------------------------------------------------------------------------
+
+class Sensor : public ASensor, public Flattenable
+{
+public:
+    enum {
+        TYPE_ACCELEROMETER  = ASENSOR_TYPE_ACCELEROMETER,
+        TYPE_MAGNETIC_FIELD = ASENSOR_TYPE_MAGNETIC_FIELD,
+        TYPE_GYROSCOPE      = ASENSOR_TYPE_GYROSCOPE,
+        TYPE_LIGHT          = ASENSOR_TYPE_LIGHT,
+        TYPE_PROXIMITY      = ASENSOR_TYPE_PROXIMITY
+    };
+
+    Sensor();
+    virtual ~Sensor();
+
+    const String8& getName() const;
+    const String8& getVendor() const;
+    int32_t getHandle() const;
+    int32_t getType() const;
+    float getMinValue() const;
+    float getMaxValue() const;
+    float getResolution() const;
+    float getPowerUsage() const;
+
+    // Flattenable interface
+    virtual size_t getFlattenedSize() const;
+    virtual size_t getFdCount() const;
+    virtual status_t flatten(void* buffer, size_t size,
+            int fds[], size_t count) const;
+    virtual status_t unflatten(void const* buffer, size_t size,
+            int fds[], size_t count);
+
+private:
+    String8 mName;
+    String8 mVendor;
+    int32_t mHandle;
+    int32_t mType;
+    float   mMinValue;
+    float   mMaxValue;
+    float   mResolution;
+    float   mPower;
+};
+
+// ----------------------------------------------------------------------------
+}; // namespace android
+
+#endif // ANDROID_GUI_SENSOR_H
diff --git a/include/gui/SensorChannel.h b/include/gui/SensorChannel.h
new file mode 100644
index 0000000..bb54618
--- /dev/null
+++ b/include/gui/SensorChannel.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_GUI_SENSOR_CHANNEL_H
+#define ANDROID_GUI_SENSOR_CHANNEL_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/RefBase.h>
+
+
+namespace android {
+// ----------------------------------------------------------------------------
+class Parcel;
+
+class SensorChannel : public RefBase
+{
+public:
+
+            SensorChannel();
+            SensorChannel(const Parcel& data);
+    virtual ~SensorChannel();
+
+    int getFd() const;
+    ssize_t write(void const* vaddr, size_t size);
+    ssize_t read(void* vaddr, size_t size);
+
+    status_t writeToParcel(Parcel* reply) const;
+
+private:
+    int mSendFd;
+    mutable int mReceiveFd;
+};
+
+// ----------------------------------------------------------------------------
+}; // namespace android
+
+#endif // ANDROID_GUI_SENSOR_CHANNEL_H
diff --git a/include/gui/SensorEventQueue.h b/include/gui/SensorEventQueue.h
new file mode 100644
index 0000000..d8d8128
--- /dev/null
+++ b/include/gui/SensorEventQueue.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_SENSOR_EVENT_QUEUE_H
+#define ANDROID_SENSOR_EVENT_QUEUE_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/RefBase.h>
+#include <utils/Timers.h>
+
+#include <gui/SensorChannel.h>
+
+// ----------------------------------------------------------------------------
+
+struct ALooper;
+struct ASensorEvent;
+
+// Concrete types for the NDK
+struct ASensorEventQueue {
+    ALooper* looper;
+};
+
+// ----------------------------------------------------------------------------
+namespace android {
+// ----------------------------------------------------------------------------
+
+class ISensorEventConnection;
+class Sensor;
+
+// ----------------------------------------------------------------------------
+
+class SensorEventQueue : public ASensorEventQueue, public RefBase
+{
+public:
+            SensorEventQueue(const sp<ISensorEventConnection>& connection);
+    virtual ~SensorEventQueue();
+    virtual void onFirstRef();
+
+    int getFd() const;
+    ssize_t write(ASensorEvent const* events, size_t numEvents);
+    ssize_t read(ASensorEvent* events, size_t numEvents);
+
+    status_t enableSensor(Sensor const* sensor) const;
+    status_t disableSensor(Sensor const* sensor) const;
+    status_t setEventRate(Sensor const* sensor, nsecs_t ns) const;
+
+private:
+    sp<ISensorEventConnection> mSensorEventConnection;
+    sp<SensorChannel> mSensorChannel;
+};
+
+// ----------------------------------------------------------------------------
+}; // namespace android
+
+#endif // ANDROID_SENSOR_EVENT_QUEUE_H
diff --git a/include/gui/SensorManager.h b/include/gui/SensorManager.h
new file mode 100644
index 0000000..0d65334
--- /dev/null
+++ b/include/gui/SensorManager.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_GUI_SENSOR_MANAGER_H
+#define ANDROID_GUI_SENSOR_MANAGER_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/RefBase.h>
+#include <utils/Singleton.h>
+#include <utils/Vector.h>
+
+#include <gui/SensorEventQueue.h>
+
+// ----------------------------------------------------------------------------
+// Concrete types for the NDK
+struct ASensorManager { };
+
+// ----------------------------------------------------------------------------
+namespace android {
+// ----------------------------------------------------------------------------
+
+class ISensorServer;
+class Sensor;
+class SensorEventQueue;
+
+// ----------------------------------------------------------------------------
+
+class SensorManager : public ASensorManager, public Singleton<SensorManager>
+{
+public:
+    SensorManager();
+    ~SensorManager();
+
+    ssize_t getSensorList(Sensor**) const;
+    Sensor* getDefaultSensor(int type);
+    sp<SensorEventQueue> createEventQueue();
+
+private:
+    sp<ISensorServer> mSensorServer;
+    Sensor* mSensorList;
+    Vector<Sensor> mSensors;
+};
+
+// ----------------------------------------------------------------------------
+}; // namespace android
+
+#endif // ANDROID_GUI_SENSOR_MANAGER_H
diff --git a/include/private/surfaceflinger/SharedBufferStack.h b/include/private/surfaceflinger/SharedBufferStack.h
index 9b5a1e0..633b543 100644
--- a/include/private/surfaceflinger/SharedBufferStack.h
+++ b/include/private/surfaceflinger/SharedBufferStack.h
@@ -43,24 +43,9 @@
  * unless they are in use by the server, which is only the case for the last 
  * dequeue-able buffer. When these various conditions are not met, the caller
  * waits until the condition is met.
- *
- * 
- * CAVEATS:
- * 
- * In the current implementation there are several limitations:
- * - buffers must be locked in the same order they've been dequeued
- * - buffers must be enqueued in the same order they've been locked
- * - dequeue() is not reentrant
- * - no error checks are done on the condition above
  * 
  */
 
-// When changing these values, the COMPILE_TIME_ASSERT at the end of this
-// file need to be updated.
-const unsigned int NUM_LAYERS_MAX  = 31;
-const unsigned int NUM_BUFFER_MAX  = 4;
-const unsigned int NUM_DISPLAY_MAX = 4;
-
 // ----------------------------------------------------------------------------
 
 class Region;
@@ -69,7 +54,11 @@
 
 // ----------------------------------------------------------------------------
 
-// should be 128 bytes (32 longs)
+// 4 * (11 + 7 + (1 + 2*NUM_RECT_MAX) * NUM_BUFFER_MAX) * NUM_LAYERS_MAX
+// 4 * (11 + 7 + (1 + 2*7)*16) * 31
+// 1032 * 31
+// = ~27 KiB (31992)
+
 class SharedBufferStack
 {
     friend class SharedClient;
@@ -78,21 +67,38 @@
     friend class SharedBufferServer;
 
 public:
-    struct FlatRegion { // 12 bytes
-        static const unsigned int NUM_RECT_MAX = 1;
-        uint32_t    count;
-        uint16_t    rects[4*NUM_RECT_MAX];
-    };
-    
+    // When changing these values, the COMPILE_TIME_ASSERT at the end of this
+    // file need to be updated.
+    static const unsigned int NUM_LAYERS_MAX  = 31;
+    static const unsigned int NUM_BUFFER_MAX  = 16;
+    static const unsigned int NUM_BUFFER_MIN  = 2;
+    static const unsigned int NUM_DISPLAY_MAX = 4;
+
     struct Statistics { // 4 longs
         typedef int32_t usecs_t;
         usecs_t  totalTime;
         usecs_t  reserved[3];
     };
+
+    struct SmallRect {
+        uint16_t l, t, r, b;
+    };
+
+    struct FlatRegion { // 52 bytes = 4 * (1 + 2*N)
+        static const unsigned int NUM_RECT_MAX = 6;
+        uint32_t    count;
+        SmallRect   rects[NUM_RECT_MAX];
+    };
+    
+    struct BufferData {
+        FlatRegion dirtyRegion;
+        SmallRect  crop;
+    };
     
     SharedBufferStack();
     void init(int32_t identity);
     status_t setDirtyRegion(int buffer, const Region& reg);
+    status_t setCrop(int buffer, const Rect& reg);
     Region getDirtyRegion(int buffer) const;
 
     // these attributes are part of the conditions/updates
@@ -104,24 +110,25 @@
 
     // not part of the conditions
     volatile int32_t reallocMask;
+    volatile int8_t index[NUM_BUFFER_MAX];
 
     int32_t     identity;       // surface's identity (const)
-    int32_t     reserved32[9];
+    int32_t     token;          // surface's token (for debugging)
+    int32_t     reserved32[1];
     Statistics  stats;
-    FlatRegion  dirtyRegion[NUM_BUFFER_MAX];    // 12*4=48 bytes
+    int32_t     reserved;
+    BufferData  buffers[NUM_BUFFER_MAX];     // 960 bytes
 };
 
 // ----------------------------------------------------------------------------
 
-// 4 KB max
+// 32 KB max
 class SharedClient
 {
 public:
     SharedClient();
     ~SharedClient();
-
     status_t validate(size_t token) const;
-    uint32_t getIdentity(size_t token) const;
 
 private:
     friend class SharedBufferBase;
@@ -131,7 +138,7 @@
     // FIXME: this should be replaced by a lock-less primitive
     Mutex lock;
     Condition cv;
-    SharedBufferStack surfaces[ NUM_LAYERS_MAX ];
+    SharedBufferStack surfaces[ SharedBufferStack::NUM_LAYERS_MAX ];
 };
 
 // ============================================================================
@@ -139,18 +146,17 @@
 class SharedBufferBase
 {
 public:
-    SharedBufferBase(SharedClient* sharedClient, int surface, int num,
+    SharedBufferBase(SharedClient* sharedClient, int surface,
             int32_t identity);
     ~SharedBufferBase();
-    uint32_t getIdentity();
     status_t getStatus() const;
+    int32_t getIdentity() const;
     size_t getFrontBuffer() const;
     String8 dump(char const* prefix) const;
 
 protected:
     SharedClient* const mSharedClient;
     SharedBufferStack* const mSharedStack;
-    const int mNumBuffers;
     const int mIdentity;
 
     friend struct Update;
@@ -160,61 +166,22 @@
         SharedBufferStack& stack;
         inline ConditionBase(SharedBufferBase* sbc) 
             : stack(*sbc->mSharedStack) { }
+        virtual ~ConditionBase() { };
+        virtual bool operator()() const = 0;
+        virtual const char* name() const = 0;
     };
+    status_t waitForCondition(const ConditionBase& condition);
 
     struct UpdateBase {
         SharedBufferStack& stack;
         inline UpdateBase(SharedBufferBase* sbb) 
             : stack(*sbb->mSharedStack) { }
     };
-
-    template <typename T>
-    status_t waitForCondition(T condition);
-
     template <typename T>
     status_t updateCondition(T update);
 };
 
 template <typename T>
-status_t SharedBufferBase::waitForCondition(T condition) 
-{
-    const SharedBufferStack& stack( *mSharedStack );
-    SharedClient& client( *mSharedClient );
-    const nsecs_t TIMEOUT = s2ns(1);
-    Mutex::Autolock _l(client.lock);
-    while ((condition()==false) &&
-            (stack.identity == mIdentity) &&
-            (stack.status == NO_ERROR))
-    {
-        status_t err = client.cv.waitRelative(client.lock, TIMEOUT);
-        
-        // handle errors and timeouts
-        if (CC_UNLIKELY(err != NO_ERROR)) {
-            if (err == TIMED_OUT) {
-                if (condition()) {
-                    LOGE("waitForCondition(%s) timed out (identity=%d), "
-                        "but condition is true! We recovered but it "
-                        "shouldn't happen." , T::name(),
-                        stack.identity);
-                    break;
-                } else {
-                    LOGW("waitForCondition(%s) timed out "
-                        "(identity=%d, status=%d). "
-                        "CPU may be pegged. trying again.", T::name(),
-                        stack.identity, stack.status);
-                }
-            } else {
-                LOGE("waitForCondition(%s) error (%s) ",
-                        T::name(), strerror(-err));
-                return err;
-            }
-        }
-    }
-    return (stack.identity != mIdentity) ? status_t(BAD_INDEX) : stack.status;
-}
-
-
-template <typename T>
 status_t SharedBufferBase::updateCondition(T update) {
     SharedClient& client( *mSharedClient );
     Mutex::Autolock _l(client.lock);
@@ -238,13 +205,21 @@
     status_t queue(int buf);
     bool needNewBuffer(int buffer) const;
     status_t setDirtyRegion(int buffer, const Region& reg);
+    status_t setCrop(int buffer, const Rect& reg);
     
+
+    class SetBufferCountCallback {
+        friend class SharedBufferClient;
+        virtual status_t operator()(int bufferCount) const = 0;
+    protected:
+        virtual ~SetBufferCountCallback() { }
+    };
+    status_t setBufferCount(int bufferCount, const SetBufferCountCallback& ipc);
+
 private:
     friend struct Condition;
     friend struct DequeueCondition;
     friend struct LockCondition;
-    
-    int32_t computeTail() const;
 
     struct QueueUpdate : public UpdateBase {
         inline QueueUpdate(SharedBufferBase* sbb);
@@ -260,25 +235,34 @@
 
     struct DequeueCondition : public ConditionBase {
         inline DequeueCondition(SharedBufferClient* sbc);
-        inline bool operator()();
-        static inline const char* name() { return "DequeueCondition"; }
+        inline bool operator()() const;
+        inline const char* name() const { return "DequeueCondition"; }
     };
 
     struct LockCondition : public ConditionBase {
         int buf;
         inline LockCondition(SharedBufferClient* sbc, int buf);
-        inline bool operator()();
-        static inline const char* name() { return "LockCondition"; }
+        inline bool operator()() const;
+        inline const char* name() const { return "LockCondition"; }
     };
 
+    int32_t computeTail() const;
+
+    mutable RWLock mLock;
+    int mNumBuffers;
+
     int32_t tail;
+    int32_t undoDequeueTail;
+    int32_t queued_head;
     // statistics...
-    nsecs_t mDequeueTime[NUM_BUFFER_MAX];
+    nsecs_t mDequeueTime[SharedBufferStack::NUM_BUFFER_MAX];
 };
 
 // ----------------------------------------------------------------------------
 
-class SharedBufferServer : public SharedBufferBase
+class SharedBufferServer
+    : public SharedBufferBase,
+      public LightRefBase<SharedBufferServer>
 {
 public:
     SharedBufferServer(SharedClient* sharedClient, int surface, int num,
@@ -287,16 +271,74 @@
     ssize_t retireAndLock();
     status_t unlock(int buffer);
     void setStatus(status_t status);
-    status_t reallocate();
+    status_t reallocateAll();
+    status_t reallocateAllExcept(int buffer);
     status_t assertReallocate(int buffer);
     int32_t getQueuedCount() const;
-    
     Region getDirtyRegion(int buffer) const;
 
+    status_t resize(int newNumBuffers);
+
     SharedBufferStack::Statistics getStats() const;
     
 
 private:
+    friend class LightRefBase<SharedBufferServer>;
+    ~SharedBufferServer();
+
+    /*
+     * BufferList is basically a fixed-capacity sorted-vector of
+     * unsigned 5-bits ints using a 32-bits int as storage.
+     * it has efficient iterators to find items in the list and not in the list.
+     */
+    class BufferList {
+        size_t mCapacity;
+        uint32_t mList;
+    public:
+        BufferList(size_t c = SharedBufferStack::NUM_BUFFER_MAX)
+            : mCapacity(c), mList(0) { }
+        status_t add(int value);
+        status_t remove(int value);
+        uint32_t getMask() const { return mList; }
+
+        class const_iterator {
+            friend class BufferList;
+            uint32_t mask, curr;
+            const_iterator(uint32_t mask) :
+                mask(mask), curr(__builtin_clz(mask)) {
+            }
+        public:
+            inline bool operator == (const const_iterator& rhs) const {
+                return mask == rhs.mask;
+            }
+            inline bool operator != (const const_iterator& rhs) const {
+                return mask != rhs.mask;
+            }
+            inline int operator *() const { return curr; }
+            inline const const_iterator& operator ++() {
+                mask &= ~(1<<(31-curr));
+                curr = __builtin_clz(mask);
+                return *this;
+            }
+        };
+
+        inline const_iterator begin() const {
+            return const_iterator(mList);
+        }
+        inline const_iterator end() const   {
+            return const_iterator(0);
+        }
+        inline const_iterator free_begin() const {
+            uint32_t mask = (1 << (32-mCapacity)) - 1;
+            return const_iterator( ~(mList | mask) );
+        }
+    };
+
+    // this protects mNumBuffers and mBufferList
+    mutable RWLock mLock;
+    int mNumBuffers;
+    BufferList mBufferList;
+
     struct UnlockUpdate : public UpdateBase {
         const int lockedBuffer;
         inline UnlockUpdate(SharedBufferBase* sbb, int lockedBuffer);
@@ -318,8 +360,8 @@
     struct ReallocateCondition : public ConditionBase {
         int buf;
         inline ReallocateCondition(SharedBufferBase* sbb, int buf);
-        inline bool operator()();
-        static inline const char* name() { return "ReallocateCondition"; }
+        inline bool operator()() const;
+        inline const char* name() const { return "ReallocateCondition"; }
     };
 };
 
@@ -344,13 +386,12 @@
     uint8_t         connected;
     uint8_t         reserved[3];
     uint32_t        pad[7];
-    display_cblk_t  displays[NUM_DISPLAY_MAX];
+    display_cblk_t  displays[SharedBufferStack::NUM_DISPLAY_MAX];
 };
 
 // ---------------------------------------------------------------------------
 
-COMPILE_TIME_ASSERT(sizeof(SharedClient) <= 4096)
-COMPILE_TIME_ASSERT(sizeof(SharedBufferStack) == 128)
+COMPILE_TIME_ASSERT(sizeof(SharedClient) <= 32768)
 COMPILE_TIME_ASSERT(sizeof(surface_flinger_cblk_t) <= 4096)
 
 // ---------------------------------------------------------------------------
diff --git a/include/surfaceflinger/ISurface.h b/include/surfaceflinger/ISurface.h
index 472f759..ddbe03d 100644
--- a/include/surfaceflinger/ISurface.h
+++ b/include/surfaceflinger/ISurface.h
@@ -47,13 +47,30 @@
         POST_BUFFER, // one-way transaction
         CREATE_OVERLAY,
         REQUEST_BUFFER,
+        SET_BUFFER_COUNT,
     };
 
 public: 
     DECLARE_META_INTERFACE(Surface);
 
-    virtual sp<GraphicBuffer> requestBuffer(int bufferIdx, int usage) = 0; 
+    /*
+     * requests a new buffer for the given index. If w, h, or format are
+     * null the buffer is created with the parameters assigned to the
+     * surface it is bound to. Otherwise the buffer's parameters are
+     * set to those specified.
+     */
+    virtual sp<GraphicBuffer> requestBuffer(int bufferIdx,
+            uint32_t w, uint32_t h, uint32_t format, uint32_t usage) = 0;
+
+    /*
+     * sets the number of buffers dequeuable for this surface.
+     */
+    virtual status_t setBufferCount(int bufferCount) = 0;
     
+    // ------------------------------------------------------------------------
+    // Deprecated...
+    // ------------------------------------------------------------------------
+
     class BufferHeap {
     public:
         enum {
diff --git a/include/surfaceflinger/ISurfaceComposer.h b/include/surfaceflinger/ISurfaceComposer.h
index d1e7785..dd44aa5 100644
--- a/include/surfaceflinger/ISurfaceComposer.h
+++ b/include/surfaceflinger/ISurfaceComposer.h
@@ -27,7 +27,7 @@
 
 #include <ui/PixelFormat.h>
 
-#include <surfaceflinger/ISurfaceFlingerClient.h>
+#include <surfaceflinger/ISurfaceComposerClient.h>
 
 namespace android {
 // ----------------------------------------------------------------------------
@@ -85,8 +85,11 @@
     /* create connection with surface flinger, requires
      * ACCESS_SURFACE_FLINGER permission
      */
+    virtual sp<ISurfaceComposerClient> createConnection() = 0;
 
-    virtual sp<ISurfaceFlingerClient> createConnection() = 0;
+    /* create a client connection with surface flinger
+     */
+    virtual sp<ISurfaceComposerClient> createClientConnection() = 0;
 
     /* retrieve the control block */
     virtual sp<IMemoryHeap> getCblk() const = 0;
@@ -123,6 +126,7 @@
         // Java by ActivityManagerService.
         BOOT_FINISHED = IBinder::FIRST_CALL_TRANSACTION,
         CREATE_CONNECTION,
+        CREATE_CLIENT_CONNECTION,
         GET_CBLK,
         OPEN_GLOBAL_TRANSACTION,
         CLOSE_GLOBAL_TRANSACTION,
diff --git a/include/surfaceflinger/ISurfaceFlingerClient.h b/include/surfaceflinger/ISurfaceComposerClient.h
similarity index 79%
rename from include/surfaceflinger/ISurfaceFlingerClient.h
rename to include/surfaceflinger/ISurfaceComposerClient.h
index d257645..a1e9e04 100644
--- a/include/surfaceflinger/ISurfaceFlingerClient.h
+++ b/include/surfaceflinger/ISurfaceComposerClient.h
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef ANDROID_SF_ISURFACE_FLINGER_CLIENT_H
-#define ANDROID_SF_ISURFACE_FLINGER_CLIENT_H
+#ifndef ANDROID_SF_ISURFACE_COMPOSER_CLIENT_H
+#define ANDROID_SF_ISURFACE_COMPOSER_CLIENT_H
 
 #include <stdint.h>
 #include <sys/types.h>
@@ -26,7 +26,7 @@
 #include <binder/IInterface.h>
 
 #include <ui/PixelFormat.h>
-  
+
 #include <surfaceflinger/ISurface.h>
 
 namespace android {
@@ -42,10 +42,10 @@
 
 class layer_state_t;
 
-class ISurfaceFlingerClient : public IInterface
+class ISurfaceComposerClient : public IInterface
 {
-public: 
-    DECLARE_META_INTERFACE(SurfaceFlingerClient);
+public:
+    DECLARE_META_INTERFACE(SurfaceComposerClient);
 
     struct surface_data_t {
         int32_t             token;
@@ -56,26 +56,36 @@
         status_t readFromParcel(const Parcel& parcel);
         status_t writeToParcel(Parcel* parcel) const;
     };
-    
-    virtual sp<IMemoryHeap> getControlBlock() const = 0;
 
+    virtual sp<IMemoryHeap> getControlBlock() const = 0;
+    virtual ssize_t getTokenForSurface(const sp<ISurface>& sur) const = 0;
+
+    /*
+     * Requires ACCESS_SURFACE_FLINGER permission
+     */
     virtual sp<ISurface> createSurface( surface_data_t* data,
-                                        int pid, 
+                                        int pid,
                                         const String8& name,
                                         DisplayID display,
                                         uint32_t w,
                                         uint32_t h,
                                         PixelFormat format,
                                         uint32_t flags) = 0;
-                                    
+
+    /*
+     * Requires ACCESS_SURFACE_FLINGER permission
+     */
     virtual status_t    destroySurface(SurfaceID sid) = 0;
 
+    /*
+     * Requires ACCESS_SURFACE_FLINGER permission
+     */
     virtual status_t    setState(int32_t count, const layer_state_t* states) = 0;
 };
 
 // ----------------------------------------------------------------------------
 
-class BnSurfaceFlingerClient : public BnInterface<ISurfaceFlingerClient>
+class BnSurfaceComposerClient : public BnInterface<ISurfaceComposerClient>
 {
 public:
     virtual status_t    onTransact( uint32_t code,
@@ -88,4 +98,4 @@
 
 }; // namespace android
 
-#endif // ANDROID_SF_ISURFACE_FLINGER_CLIENT_H
+#endif // ANDROID_SF_ISURFACE_COMPOSER_CLIENT_H
diff --git a/include/surfaceflinger/Surface.h b/include/surfaceflinger/Surface.h
index 0279d84..294c867 100644
--- a/include/surfaceflinger/Surface.h
+++ b/include/surfaceflinger/Surface.h
@@ -20,6 +20,7 @@
 #include <stdint.h>
 #include <sys/types.h>
 
+#include <utils/KeyedVector.h>
 #include <utils/RefBase.h>
 #include <utils/threads.h>
 
@@ -28,12 +29,15 @@
 #include <ui/egl/android_natives.h>
 
 #include <surfaceflinger/ISurface.h>
-#include <surfaceflinger/ISurfaceFlingerClient.h>
+#include <surfaceflinger/ISurfaceComposerClient.h>
+
+#define ANDROID_VIEW_SURFACE_JNI_ID    "mNativeSurface"
 
 namespace android {
 
 // ---------------------------------------------------------------------------
 
+class GraphicBuffer;
 class GraphicBufferMapper;
 class IOMX;
 class Rect;
@@ -41,6 +45,7 @@
 class SurfaceComposerClient;
 class SharedClient;
 class SharedBufferClient;
+class SurfaceClient;
 
 // ---------------------------------------------------------------------------
 
@@ -56,7 +61,6 @@
     static bool isSameSurface(
             const sp<SurfaceControl>& lhs, const sp<SurfaceControl>& rhs);
         
-    SurfaceID   ID() const      { return mToken; }
     uint32_t    getFlags() const { return mFlags; }
     uint32_t    getIdentity() const { return mIdentity; }
 
@@ -104,7 +108,7 @@
     SurfaceControl(
             const sp<SurfaceComposerClient>& client,
             const sp<ISurface>& surface,
-            const ISurfaceFlingerClient::surface_data_t& data,
+            const ISurfaceComposerClient::surface_data_t& data,
             uint32_t w, uint32_t h, PixelFormat format, uint32_t flags);
 
     ~SurfaceControl();
@@ -128,7 +132,7 @@
 // ---------------------------------------------------------------------------
 
 class Surface 
-    : public EGLNativeBase<android_native_window_t, Surface, RefBase>
+    : public EGLNativeBase<ANativeWindow, Surface, RefBase>
 {
 public:
     struct SurfaceInfo {
@@ -141,17 +145,16 @@
         uint32_t    reserved[2];
     };
 
-    Surface(const Parcel& data);
+    static status_t writeToParcel(
+            const sp<Surface>& control, Parcel* parcel);
+
+    static sp<Surface> readFromParcel(const Parcel& data);
 
     static bool isValid(const sp<Surface>& surface) {
         return (surface != 0) && surface->isValid();
     }
 
-    static bool isSameSurface(
-            const sp<Surface>& lhs, const sp<Surface>& rhs);
-
     bool        isValid();
-    SurfaceID   ID() const          { return mToken; }
     uint32_t    getFlags() const    { return mFlags; }
     uint32_t    getIdentity() const { return mIdentity; }
 
@@ -163,44 +166,43 @@
     // setSwapRectangle() is intended to be used by GL ES clients
     void        setSwapRectangle(const Rect& r);
 
+
 private:
-    // can't be copied
-    Surface& operator = (Surface& rhs);
-    Surface(const Surface& rhs);
-
-    Surface(const sp<SurfaceControl>& control);
-    void init();
-     ~Surface();
-  
-    friend class SurfaceComposerClient;
-    friend class SurfaceControl;
-
-    
+    /*
+     * Android frameworks friends
+     * (eventually this should go away and be replaced by proper APIs)
+     */
     // camera and camcorder need access to the ISurface binder interface for preview
     friend class Camera;
     friend class MediaRecorder;
-    // mediaplayer needs access to ISurface for display
+    // MediaPlayer needs access to ISurface for display
     friend class MediaPlayer;
     friend class IOMX;
     // this is just to be able to write some unit tests
     friend class Test;
 
-    sp<SurfaceComposerClient> getClient() const;
-    sp<ISurface> getISurface() const;
+private:
+    friend class SurfaceComposerClient;
+    friend class SurfaceControl;
 
-    status_t getBufferLocked(int index, int usage);
-   
-           status_t validate() const;
+    // can't be copied
+    Surface& operator = (Surface& rhs);
+    Surface(const Surface& rhs);
 
-    inline const GraphicBufferMapper& getBufferMapper() const { return mBufferMapper; }
-    inline GraphicBufferMapper& getBufferMapper() { return mBufferMapper; }
-    
-    static int setSwapInterval(android_native_window_t* window, int interval);
-    static int dequeueBuffer(android_native_window_t* window, android_native_buffer_t** buffer);
-    static int lockBuffer(android_native_window_t* window, android_native_buffer_t* buffer);
-    static int queueBuffer(android_native_window_t* window, android_native_buffer_t* buffer);
-    static int query(android_native_window_t* window, int what, int* value);
-    static int perform(android_native_window_t* window, int operation, ...);
+    Surface(const sp<SurfaceControl>& control);
+    Surface(const Parcel& data, const sp<IBinder>& ref);
+    ~Surface();
+
+
+    /*
+     *  ANativeWindow hooks
+     */
+    static int setSwapInterval(ANativeWindow* window, int interval);
+    static int dequeueBuffer(ANativeWindow* window, android_native_buffer_t** buffer);
+    static int lockBuffer(ANativeWindow* window, android_native_buffer_t* buffer);
+    static int queueBuffer(ANativeWindow* window, android_native_buffer_t* buffer);
+    static int query(ANativeWindow* window, int what, int* value);
+    static int perform(ANativeWindow* window, int operation, ...);
 
     int dequeueBuffer(android_native_buffer_t** buffer);
     int lockBuffer(android_native_buffer_t* buffer);
@@ -208,44 +210,88 @@
     int query(int what, int* value);
     int perform(int operation, va_list args);
 
-    status_t dequeueBuffer(sp<GraphicBuffer>* buffer);
-
     void dispatch_setUsage(va_list args);
     int  dispatch_connect(va_list args);
     int  dispatch_disconnect(va_list args);
+    int  dispatch_crop(va_list args);
+    int  dispatch_set_buffer_count(va_list args);
+    int  dispatch_set_buffers_geometry(va_list args);
     
     void setUsage(uint32_t reqUsage);
     int  connect(int api);
     int  disconnect(int api);
+    int  crop(Rect const* rect);
+    int  setBufferCount(int bufferCount);
+    int  setBuffersGeometry(int w, int h, int format);
 
-    uint32_t getUsage() const;
-    int      getConnectedApi() const;
+    /*
+     *  private stuff...
+     */
+    void init();
+    status_t validate() const;
+    sp<ISurface> getISurface() const;
+
+    inline const GraphicBufferMapper& getBufferMapper() const { return mBufferMapper; }
+    inline GraphicBufferMapper& getBufferMapper() { return mBufferMapper; }
+
+    status_t getBufferLocked(int index,
+            uint32_t w, uint32_t h, uint32_t format, uint32_t usage);
+    int getBufferIndex(const sp<GraphicBuffer>& buffer) const;
+
+    int getConnectedApi() const;
     
+    bool needNewBuffer(int bufIdx,
+            uint32_t *pWidth, uint32_t *pHeight,
+            uint32_t *pFormat, uint32_t *pUsage) const;
+
+    static void cleanCachedSurfaces();
+
+    class BufferInfo {
+        uint32_t mWidth;
+        uint32_t mHeight;
+        uint32_t mFormat;
+        uint32_t mUsage;
+        mutable uint32_t mDirty;
+        enum {
+            GEOMETRY = 0x01
+        };
+    public:
+        BufferInfo();
+        void set(uint32_t w, uint32_t h, uint32_t format);
+        void set(uint32_t usage);
+        void get(uint32_t *pWidth, uint32_t *pHeight,
+                uint32_t *pFormat, uint32_t *pUsage) const;
+        bool validateBuffer(const sp<GraphicBuffer>& buffer) const;
+    };
+
     // constants
-    sp<SurfaceComposerClient>   mClient;
+    GraphicBufferMapper&        mBufferMapper;
+    SurfaceClient&              mClient;
+    SharedBufferClient*         mSharedBufferClient;
+    status_t                    mInitCheck;
     sp<ISurface>                mSurface;
-    SurfaceID                   mToken;
     uint32_t                    mIdentity;
     PixelFormat                 mFormat;
     uint32_t                    mFlags;
-    GraphicBufferMapper&        mBufferMapper;
-    SharedBufferClient*         mSharedBufferClient;
 
     // protected by mSurfaceLock
     Rect                        mSwapRectangle;
-    uint32_t                    mUsage;
     int                         mConnected;
+    Rect                        mNextBufferCrop;
+    BufferInfo                  mBufferInfo;
     
     // protected by mSurfaceLock. These are also used from lock/unlock
     // but in that case, they must be called form the same thread.
-    sp<GraphicBuffer>           mBuffers[2];
     mutable Region              mDirtyRegion;
 
     // must be used from the lock/unlock thread
     sp<GraphicBuffer>           mLockedBuffer;
     sp<GraphicBuffer>           mPostedBuffer;
     mutable Region              mOldDirtyRegion;
-    bool                        mNeedFullUpdate;
+    bool                        mReserved;
+
+    // only used from dequeueBuffer()
+    Vector< sp<GraphicBuffer> > mBuffers;
 
     // query() must be called from dequeueBuffer() thread
     uint32_t                    mWidth;
@@ -254,6 +300,10 @@
     // Inherently thread-safe
     mutable Mutex               mSurfaceLock;
     mutable Mutex               mApiLock;
+
+    // A cache of Surface objects that have been deserialized into this process.
+    static Mutex sCachedSurfacesLock;
+    static DefaultKeyedVector<wp<IBinder>, wp<Surface> > sCachedSurfaces;
 };
 
 }; // namespace android
diff --git a/include/surfaceflinger/SurfaceComposerClient.h b/include/surfaceflinger/SurfaceComposerClient.h
index 9d0f0cb..8773d71 100644
--- a/include/surfaceflinger/SurfaceComposerClient.h
+++ b/include/surfaceflinger/SurfaceComposerClient.h
@@ -22,8 +22,9 @@
 
 #include <binder/IBinder.h>
 
-#include <utils/SortedVector.h>
 #include <utils/RefBase.h>
+#include <utils/Singleton.h>
+#include <utils/SortedVector.h>
 #include <utils/threads.h>
 
 #include <ui/PixelFormat.h>
@@ -39,8 +40,26 @@
 class SharedClient;
 class ISurfaceComposer;
 class DisplayInfo;
+class surface_flinger_cblk_t;
 
-class SurfaceComposerClient : virtual public RefBase
+// ---------------------------------------------------------------------------
+
+class ComposerService : public Singleton<ComposerService>
+{
+    // these are constants
+    sp<ISurfaceComposer> mComposerService;
+    sp<IMemoryHeap> mServerCblkMemory;
+    surface_flinger_cblk_t volatile* mServerCblk;
+    ComposerService();
+    friend class Singleton<ComposerService>;
+public:
+    static sp<ISurfaceComposer> getComposerService();
+    static surface_flinger_cblk_t const volatile * getControlBlock();
+};
+
+// ---------------------------------------------------------------------------
+
+class SurfaceComposerClient : public RefBase
 {
 public:    
                 SurfaceComposerClient();
@@ -52,10 +71,6 @@
     // Return the connection of this client
     sp<IBinder> connection() const;
     
-    // Retrieve a client for an existing connection.
-    static sp<SurfaceComposerClient>
-                clientForConnection(const sp<IBinder>& conn);
-
     // Forcibly remove connection before all references have gone away.
     void        dispose();
 
@@ -123,13 +138,6 @@
     status_t linkToComposerDeath(const sp<IBinder::DeathRecipient>& recipient,
             void* cookie = NULL, uint32_t flags = 0);
 
-private:
-    friend class Surface;
-    friend class SurfaceControl;
-    
-    SurfaceComposerClient(const sp<ISurfaceComposer>& sm, 
-            const sp<IBinder>& conn);
-
     status_t    hide(SurfaceID id);
     status_t    show(SurfaceID id, int32_t layer = -1);
     status_t    freeze(SurfaceID id);
@@ -142,32 +150,26 @@
     status_t    setMatrix(SurfaceID id, float dsdx, float dtdx, float dsdy, float dtdy);
     status_t    setPosition(SurfaceID id, int32_t x, int32_t y);
     status_t    setSize(SurfaceID id, uint32_t w, uint32_t h);
-    
-    void        signalServer();
-
     status_t    destroySurface(SurfaceID sid);
 
-    void        _init(const sp<ISurfaceComposer>& sm,
-                    const sp<ISurfaceFlingerClient>& conn);
-
-    inline layer_state_t*   _get_state_l(SurfaceID id);
-    layer_state_t*          _lockLayerState(SurfaceID id);
-    inline void             _unlockLayerState();
+private:
+    virtual void onFirstRef();
+    inline layer_state_t*   get_state_l(SurfaceID id);
+    layer_state_t*          lockLayerState(SurfaceID id);
+    inline void             unlockLayerState();
 
     mutable     Mutex                               mLock;
-                layer_state_t*                      mPrebuiltLayerState;
                 SortedVector<layer_state_t>         mStates;
                 int32_t                             mTransactionOpen;
+                layer_state_t*                      mPrebuiltLayerState;
 
                 // these don't need to be protected because they never change
                 // after assignment
                 status_t                    mStatus;
-                SharedClient*               mControl;
-                sp<IMemoryHeap>             mControlMemory;
-                sp<ISurfaceFlingerClient>   mClient;
-                sp<ISurfaceComposer>        mSignalServer;
+                sp<ISurfaceComposerClient>  mClient;
 };
 
+// ---------------------------------------------------------------------------
 }; // namespace android
 
 #endif // ANDROID_SF_SURFACE_COMPOSER_CLIENT_H
diff --git a/include/ui/EventHub.h b/include/ui/EventHub.h
index 3b18c77..5be17d3 100644
--- a/include/ui/EventHub.h
+++ b/include/ui/EventHub.h
@@ -18,6 +18,7 @@
 #ifndef _RUNTIME_EVENT_HUB_H
 #define _RUNTIME_EVENT_HUB_H
 
+#include <android/input.h>
 #include <utils/String8.h>
 #include <utils/threads.h>
 #include <utils/Log.h>
@@ -27,6 +28,31 @@
 
 #include <linux/input.h>
 
+/* These constants are not defined in linux/input.h but they are part of the multitouch
+ * input protocol. */
+
+#define ABS_MT_TOUCH_MAJOR 0x30  /* Major axis of touching ellipse */
+#define ABS_MT_TOUCH_MINOR 0x31  /* Minor axis (omit if circular) */
+#define ABS_MT_WIDTH_MAJOR 0x32  /* Major axis of approaching ellipse */
+#define ABS_MT_WIDTH_MINOR 0x33  /* Minor axis (omit if circular) */
+#define ABS_MT_ORIENTATION 0x34  /* Ellipse orientation */
+#define ABS_MT_POSITION_X 0x35   /* Center X ellipse position */
+#define ABS_MT_POSITION_Y 0x36   /* Center Y ellipse position */
+#define ABS_MT_TOOL_TYPE 0x37    /* Type of touching device (finger, pen, ...) */
+#define ABS_MT_BLOB_ID 0x38      /* Group a set of packets as a blob */
+#define ABS_MT_TRACKING_ID 0x39  /* Unique ID of initiated contact */
+#define ABS_MT_PRESSURE 0x3a     /* Pressure on contact area */
+
+#define MT_TOOL_FINGER 0 /* Identifies a finger */
+#define MT_TOOL_PEN 1    /* Identifies a pen */
+
+#define SYN_MT_REPORT 2
+
+/* Convenience constants. */
+
+#define BTN_FIRST 0x100  // first button scancode
+#define BTN_LAST 0x15f   // last button scancode
+
 struct pollfd;
 
 namespace android {
@@ -34,62 +60,127 @@
 class KeyLayoutMap;
 
 /*
- * Grand Central Station for events.  With a single call to waitEvent()
- * you can wait for:
- *  - input events from the keypad of a real device
- *  - input events and meta-events (e.g. "quit") from the simulator
- *  - synthetic events from the runtime (e.g. "URL fetch completed")
- *  - real or forged "vsync" events
- *
- * Do not instantiate this class.  Instead, call startUp().
+ * Input device classes.
  */
-class EventHub : public RefBase
-{
+enum {
+    /* The input device is a keyboard. */
+    INPUT_DEVICE_CLASS_KEYBOARD      = 0x00000001,
+
+    /* The input device is an alpha-numeric keyboard (not just a dial pad). */
+    INPUT_DEVICE_CLASS_ALPHAKEY      = 0x00000002,
+
+    /* The input device is a touchscreen (either single-touch or multi-touch). */
+    INPUT_DEVICE_CLASS_TOUCHSCREEN   = 0x00000004,
+
+    /* The input device is a trackball. */
+    INPUT_DEVICE_CLASS_TRACKBALL     = 0x00000008,
+
+    /* The input device is a multi-touch touchscreen. */
+    INPUT_DEVICE_CLASS_TOUCHSCREEN_MT= 0x00000010,
+
+    /* The input device is a directional pad. */
+    INPUT_DEVICE_CLASS_DPAD          = 0x00000020,
+
+    /* The input device is a gamepad (implies keyboard). */
+    INPUT_DEVICE_CLASS_GAMEPAD       = 0x00000040
+};
+
+/*
+ * Grand Central Station for events.
+ *
+ * The event hub aggregates input events received across all known input
+ * devices on the system, including devices that may be emulated by the simulator
+ * environment.  In addition, the event hub generates fake input events to indicate
+ * when devices are added or removed.
+ *
+ * The event hub provies a stream of input events (via the getEvent function).
+ * It also supports querying the current actual state of input devices such as identifying
+ * which keys are currently down.  Finally, the event hub keeps track of the capabilities of
+ * individual input devices, such as their class and the set of key codes that they support.
+ */
+class EventHubInterface : public virtual RefBase {
+protected:
+    EventHubInterface() { }
+    virtual ~EventHubInterface() { }
+
 public:
-    EventHub();
-    
-    status_t errorCheck() const;
-    
-    // bit fields for classes of devices.
-    enum {
-        CLASS_KEYBOARD      = 0x00000001,
-        CLASS_ALPHAKEY      = 0x00000002,
-        CLASS_TOUCHSCREEN   = 0x00000004,
-        CLASS_TRACKBALL     = 0x00000008,
-        CLASS_TOUCHSCREEN_MT= 0x00000010,
-        CLASS_DPAD          = 0x00000020
-    };
-    uint32_t getDeviceClasses(int32_t deviceId) const;
-    
-    String8 getDeviceName(int32_t deviceId) const;
-    
-    int getAbsoluteInfo(int32_t deviceId, int axis, int *outMinValue,
-            int* outMaxValue, int* outFlat, int* outFuzz) const;
-        
-    int getSwitchState(int sw) const;
-    int getSwitchState(int32_t deviceId, int sw) const;
-    
-    int getScancodeState(int key) const;
-    int getScancodeState(int32_t deviceId, int key) const;
-    
-    int getKeycodeState(int key) const;
-    int getKeycodeState(int32_t deviceId, int key) const;
-    
-    status_t scancodeToKeycode(int32_t deviceId, int scancode,
-            int32_t* outKeycode, uint32_t* outFlags) const;
-
-    // exclude a particular device from opening
-    // this can be used to ignore input devices for sensors
-    void addExcludedDevice(const char* deviceName);
-
-    // special type codes when devices are added/removed.
+    // Synthetic raw event type codes produced when devices are added or removed.
     enum {
         DEVICE_ADDED = 0x10000000,
         DEVICE_REMOVED = 0x20000000
     };
+
+    virtual uint32_t getDeviceClasses(int32_t deviceId) const = 0;
+
+    virtual String8 getDeviceName(int32_t deviceId) const = 0;
+
+    virtual int getAbsoluteInfo(int32_t deviceId, int axis, int *outMinValue,
+            int* outMaxValue, int* outFlat, int* outFuzz) const = 0;
+
+    virtual status_t scancodeToKeycode(int32_t deviceId, int scancode,
+            int32_t* outKeycode, uint32_t* outFlags) const = 0;
+
+    // exclude a particular device from opening
+    // this can be used to ignore input devices for sensors
+    virtual void addExcludedDevice(const char* deviceName) = 0;
+
+    /*
+     * Wait for the next event to become available and return it.
+     * After returning, the EventHub holds onto a wake lock until the next call to getEvent.
+     * This ensures that the device will not go to sleep while the event is being processed.
+     * If the device needs to remain awake longer than that, then the caller is responsible
+     * for taking care of it (say, by poking the power manager user activity timer).
+     */
+    virtual bool getEvent(int32_t* outDeviceId, int32_t* outType,
+            int32_t* outScancode, int32_t* outKeycode, uint32_t *outFlags,
+            int32_t* outValue, nsecs_t* outWhen) = 0;
+
+    /*
+     * Query current input state.
+     *   deviceId may be -1 to search for the device automatically, filtered by class.
+     *   deviceClasses may be -1 to ignore device class while searching.
+     */
+    virtual int32_t getScanCodeState(int32_t deviceId, int32_t deviceClasses,
+            int32_t scanCode) const = 0;
+    virtual int32_t getKeyCodeState(int32_t deviceId, int32_t deviceClasses,
+            int32_t keyCode) const = 0;
+    virtual int32_t getSwitchState(int32_t deviceId, int32_t deviceClasses,
+            int32_t sw) const = 0;
+
+    /*
+     * Examine key input devices for specific framework keycode support
+     */
+    virtual bool hasKeys(size_t numCodes, const int32_t* keyCodes,
+            uint8_t* outFlags) const = 0;
+};
+
+class EventHub : public EventHubInterface
+{
+public:
+    EventHub();
+
+    status_t errorCheck() const;
+
+    virtual uint32_t getDeviceClasses(int32_t deviceId) const;
     
-    // examine key input devices for specific framework keycode support
-    bool hasKeys(size_t numCodes, int32_t* keyCodes, uint8_t* outFlags);
+    virtual String8 getDeviceName(int32_t deviceId) const;
+    
+    virtual int getAbsoluteInfo(int32_t deviceId, int axis, int *outMinValue,
+            int* outMaxValue, int* outFlat, int* outFuzz) const;
+        
+    virtual status_t scancodeToKeycode(int32_t deviceId, int scancode,
+            int32_t* outKeycode, uint32_t* outFlags) const;
+
+    virtual void addExcludedDevice(const char* deviceName);
+
+    virtual int32_t getScanCodeState(int32_t deviceId, int32_t deviceClasses,
+            int32_t scanCode) const;
+    virtual int32_t getKeyCodeState(int32_t deviceId, int32_t deviceClasses,
+            int32_t keyCode) const;
+    virtual int32_t getSwitchState(int32_t deviceId, int32_t deviceClasses,
+            int32_t sw) const;
+
+    virtual bool hasKeys(size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) const;
 
     virtual bool getEvent(int32_t* outDeviceId, int32_t* outType,
             int32_t* outScancode, int32_t* outKeycode, uint32_t *outFlags,
@@ -126,6 +217,10 @@
     device_t* getDevice(int32_t deviceId) const;
     bool hasKeycode(device_t* device, int keycode) const;
     
+    int32_t getScanCodeStateLocked(device_t* device, int32_t scanCode) const;
+    int32_t getKeyCodeStateLocked(device_t* device, int32_t keyCode) const;
+    int32_t getSwitchStateLocked(device_t* device, int32_t sw) const;
+
     // Protect all internal state.
     mutable Mutex   mLock;
     
@@ -151,7 +246,7 @@
 
     // device ids that report particular switches.
 #ifdef EV_SW
-    int32_t         mSwitches[SW_MAX+1];
+    int32_t         mSwitches[SW_MAX + 1];
 #endif
 };
 
diff --git a/include/ui/FramebufferNativeWindow.h b/include/ui/FramebufferNativeWindow.h
index 8ea3ab9..0f4594f 100644
--- a/include/ui/FramebufferNativeWindow.h
+++ b/include/ui/FramebufferNativeWindow.h
@@ -43,7 +43,7 @@
 
 class FramebufferNativeWindow 
     : public EGLNativeBase<
-        android_native_window_t, 
+        ANativeWindow, 
         FramebufferNativeWindow, 
         LightRefBase<FramebufferNativeWindow> >
 {
@@ -59,12 +59,12 @@
 private:
     friend class LightRefBase<FramebufferNativeWindow>;    
     ~FramebufferNativeWindow(); // this class cannot be overloaded
-    static int setSwapInterval(android_native_window_t* window, int interval);
-    static int dequeueBuffer(android_native_window_t* window, android_native_buffer_t** buffer);
-    static int lockBuffer(android_native_window_t* window, android_native_buffer_t* buffer);
-    static int queueBuffer(android_native_window_t* window, android_native_buffer_t* buffer);
-    static int query(android_native_window_t* window, int what, int* value);
-    static int perform(android_native_window_t* window, int operation, ...);
+    static int setSwapInterval(ANativeWindow* window, int interval);
+    static int dequeueBuffer(ANativeWindow* window, android_native_buffer_t** buffer);
+    static int lockBuffer(ANativeWindow* window, android_native_buffer_t* buffer);
+    static int queueBuffer(ANativeWindow* window, android_native_buffer_t* buffer);
+    static int query(ANativeWindow* window, int what, int* value);
+    static int perform(ANativeWindow* window, int operation, ...);
     
     framebuffer_device_t* fbDev;
     alloc_device_t* grDev;
diff --git a/include/ui/GraphicBuffer.h b/include/ui/GraphicBuffer.h
index e72b6b3..a3e85a9 100644
--- a/include/ui/GraphicBuffer.h
+++ b/include/ui/GraphicBuffer.h
@@ -93,10 +93,8 @@
     
     void setIndex(int index);
     int getIndex() const;
-    void setVerticalStride(uint32_t vstride);
-    uint32_t getVerticalStride() const;
 
-protected:
+private:
     virtual ~GraphicBuffer();
 
     enum {
@@ -105,8 +103,12 @@
         ownData   = 2,
     };
 
-    inline const GraphicBufferMapper& getBufferMapper() const { return mBufferMapper; }
-    inline GraphicBufferMapper& getBufferMapper() { return mBufferMapper; }
+    inline const GraphicBufferMapper& getBufferMapper() const {
+        return mBufferMapper;
+    }
+    inline GraphicBufferMapper& getBufferMapper() {
+        return mBufferMapper;
+    }
     uint8_t mOwner;
 
 private:
@@ -134,7 +136,6 @@
 
     GraphicBufferMapper& mBufferMapper;
     ssize_t mInitCheck;
-    uint32_t mVStride;
     int mIndex;
 };
 
diff --git a/include/ui/GraphicBufferAllocator.h b/include/ui/GraphicBufferAllocator.h
index 741d763..54b8236 100644
--- a/include/ui/GraphicBufferAllocator.h
+++ b/include/ui/GraphicBufferAllocator.h
@@ -73,9 +73,9 @@
     struct alloc_rec_t {
         uint32_t w;
         uint32_t h;
+        uint32_t s;
         PixelFormat format;
         uint32_t usage;
-        void* vaddr;
         size_t size;
     };
     
diff --git a/include/ui/Input.h b/include/ui/Input.h
new file mode 100644
index 0000000..d9b1091
--- /dev/null
+++ b/include/ui/Input.h
@@ -0,0 +1,430 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _UI_INPUT_H
+#define _UI_INPUT_H
+
+/**
+ * Native input event structures.
+ */
+
+#include <android/input.h>
+#include <utils/Vector.h>
+#include <utils/Timers.h>
+
+/*
+ * Additional private constants not defined in ndk/ui/input.h.
+ */
+enum {
+    /*
+     * Private control to determine when an app is tracking a key sequence.
+     */
+    AKEY_EVENT_FLAG_START_TRACKING = 0x40000000
+};
+
+/*
+ * Maximum number of pointers supported per motion event.
+ */
+#define MAX_POINTERS 10
+
+/*
+ * Declare a concrete type for the NDK's input event forward declaration.
+ */
+struct AInputEvent {
+    virtual ~AInputEvent() { }
+};
+
+namespace android {
+
+/*
+ * A raw event as retrieved from the EventHub.
+ */
+struct RawEvent {
+    nsecs_t when;
+    int32_t deviceId;
+    int32_t type;
+    int32_t scanCode;
+    int32_t keyCode;
+    int32_t value;
+    uint32_t flags;
+};
+
+/*
+ * Flags that flow alongside events in the input dispatch system to help with certain
+ * policy decisions such as waking from device sleep.
+ */
+enum {
+    /* These flags originate in RawEvents and are generally set in the key map. */
+
+    POLICY_FLAG_WAKE = 0x00000001,
+    POLICY_FLAG_WAKE_DROPPED = 0x00000002,
+    POLICY_FLAG_SHIFT = 0x00000004,
+    POLICY_FLAG_CAPS_LOCK = 0x00000008,
+    POLICY_FLAG_ALT = 0x00000010,
+    POLICY_FLAG_ALT_GR = 0x00000020,
+    POLICY_FLAG_MENU = 0x00000040,
+    POLICY_FLAG_LAUNCHER = 0x00000080,
+
+    POLICY_FLAG_RAW_MASK = 0x0000ffff,
+
+    /* These flags are set by the input reader policy as it intercepts each event. */
+
+    // Indicates that the screen was off when the event was received and the event
+    // should wake the device.
+    POLICY_FLAG_WOKE_HERE = 0x10000000,
+
+    // Indicates that the screen was dim when the event was received and the event
+    // should brighten the device.
+    POLICY_FLAG_BRIGHT_HERE = 0x20000000,
+};
+
+/*
+ * Describes the basic configuration of input devices that are present.
+ */
+struct InputConfiguration {
+    enum {
+        TOUCHSCREEN_UNDEFINED = 0,
+        TOUCHSCREEN_NOTOUCH = 1,
+        TOUCHSCREEN_STYLUS = 2,
+        TOUCHSCREEN_FINGER = 3
+    };
+
+    enum {
+        KEYBOARD_UNDEFINED = 0,
+        KEYBOARD_NOKEYS = 1,
+        KEYBOARD_QWERTY = 2,
+        KEYBOARD_12KEY = 3
+    };
+
+    enum {
+        NAVIGATION_UNDEFINED = 0,
+        NAVIGATION_NONAV = 1,
+        NAVIGATION_DPAD = 2,
+        NAVIGATION_TRACKBALL = 3,
+        NAVIGATION_WHEEL = 4
+    };
+
+    int32_t touchScreen;
+    int32_t keyboard;
+    int32_t navigation;
+};
+
+/*
+ * Pointer coordinate data.
+ */
+struct PointerCoords {
+    float x;
+    float y;
+    float pressure;
+    float size;
+    float touchMajor;
+    float touchMinor;
+    float toolMajor;
+    float toolMinor;
+    float orientation;
+};
+
+/*
+ * Input events.
+ */
+class InputEvent : public AInputEvent {
+public:
+    virtual ~InputEvent() { }
+
+    virtual int32_t getType() const = 0;
+
+    inline int32_t getDeviceId() const { return mDeviceId; }
+
+    inline int32_t getSource() const { return mSource; }
+    
+protected:
+    void initialize(int32_t deviceId, int32_t source);
+    void initialize(const InputEvent& from);
+
+private:
+    int32_t mDeviceId;
+    int32_t mSource;
+};
+
+/*
+ * Key events.
+ */
+class KeyEvent : public InputEvent {
+public:
+    virtual ~KeyEvent() { }
+
+    virtual int32_t getType() const { return AINPUT_EVENT_TYPE_KEY; }
+
+    inline int32_t getAction() const { return mAction; }
+
+    inline int32_t getFlags() const { return mFlags; }
+
+    inline int32_t getKeyCode() const { return mKeyCode; }
+
+    inline int32_t getScanCode() const { return mScanCode; }
+
+    inline int32_t getMetaState() const { return mMetaState; }
+
+    inline int32_t getRepeatCount() const { return mRepeatCount; }
+
+    inline nsecs_t getDownTime() const { return mDownTime; }
+
+    inline nsecs_t getEventTime() const { return mEventTime; }
+
+    // Return true if this event may have a default action implementation.
+    static bool hasDefaultAction(int32_t keyCode);
+    bool hasDefaultAction() const;
+
+    // Return true if this event represents a system key.
+    static bool isSystemKey(int32_t keyCode);
+    bool isSystemKey() const;
+    
+    void initialize(
+            int32_t deviceId,
+            int32_t source,
+            int32_t action,
+            int32_t flags,
+            int32_t keyCode,
+            int32_t scanCode,
+            int32_t metaState,
+            int32_t repeatCount,
+            nsecs_t downTime,
+            nsecs_t eventTime);
+    void initialize(const KeyEvent& from);
+
+private:
+    int32_t mAction;
+    int32_t mFlags;
+    int32_t mKeyCode;
+    int32_t mScanCode;
+    int32_t mMetaState;
+    int32_t mRepeatCount;
+    nsecs_t mDownTime;
+    nsecs_t mEventTime;
+};
+
+/*
+ * Motion events.
+ */
+class MotionEvent : public InputEvent {
+public:
+    virtual ~MotionEvent() { }
+
+    virtual int32_t getType() const { return AINPUT_EVENT_TYPE_MOTION; }
+
+    inline int32_t getAction() const { return mAction; }
+
+    inline int32_t getEdgeFlags() const { return mEdgeFlags; }
+
+    inline int32_t getMetaState() const { return mMetaState; }
+
+    inline float getXOffset() const { return mXOffset; }
+
+    inline float getYOffset() const { return mYOffset; }
+
+    inline float getXPrecision() const { return mXPrecision; }
+
+    inline float getYPrecision() const { return mYPrecision; }
+
+    inline nsecs_t getDownTime() const { return mDownTime; }
+
+    inline size_t getPointerCount() const { return mPointerIds.size(); }
+
+    inline int32_t getPointerId(size_t pointerIndex) const { return mPointerIds[pointerIndex]; }
+
+    inline nsecs_t getEventTime() const { return mSampleEventTimes[getHistorySize()]; }
+
+    inline float getRawX(size_t pointerIndex) const {
+        return getCurrentPointerCoords(pointerIndex).x;
+    }
+
+    inline float getRawY(size_t pointerIndex) const {
+        return getCurrentPointerCoords(pointerIndex).y;
+    }
+
+    inline float getX(size_t pointerIndex) const {
+        return getRawX(pointerIndex) + mXOffset;
+    }
+
+    inline float getY(size_t pointerIndex) const {
+        return getRawY(pointerIndex) + mYOffset;
+    }
+
+    inline float getPressure(size_t pointerIndex) const {
+        return getCurrentPointerCoords(pointerIndex).pressure;
+    }
+
+    inline float getSize(size_t pointerIndex) const {
+        return getCurrentPointerCoords(pointerIndex).size;
+    }
+
+    inline float getTouchMajor(size_t pointerIndex) const {
+        return getCurrentPointerCoords(pointerIndex).touchMajor;
+    }
+
+    inline float getTouchMinor(size_t pointerIndex) const {
+        return getCurrentPointerCoords(pointerIndex).touchMinor;
+    }
+
+    inline float getToolMajor(size_t pointerIndex) const {
+        return getCurrentPointerCoords(pointerIndex).toolMajor;
+    }
+
+    inline float getToolMinor(size_t pointerIndex) const {
+        return getCurrentPointerCoords(pointerIndex).toolMinor;
+    }
+
+    inline float getOrientation(size_t pointerIndex) const {
+        return getCurrentPointerCoords(pointerIndex).orientation;
+    }
+
+    inline size_t getHistorySize() const { return mSampleEventTimes.size() - 1; }
+
+    inline nsecs_t getHistoricalEventTime(size_t historicalIndex) const {
+        return mSampleEventTimes[historicalIndex];
+    }
+
+    inline float getHistoricalRawX(size_t pointerIndex, size_t historicalIndex) const {
+        return getHistoricalPointerCoords(pointerIndex, historicalIndex).x;
+    }
+
+    inline float getHistoricalRawY(size_t pointerIndex, size_t historicalIndex) const {
+        return getHistoricalPointerCoords(pointerIndex, historicalIndex).y;
+    }
+
+    inline float getHistoricalX(size_t pointerIndex, size_t historicalIndex) const {
+        return getHistoricalRawX(pointerIndex, historicalIndex) + mXOffset;
+    }
+
+    inline float getHistoricalY(size_t pointerIndex, size_t historicalIndex) const {
+        return getHistoricalRawY(pointerIndex, historicalIndex) + mYOffset;
+    }
+
+    inline float getHistoricalPressure(size_t pointerIndex, size_t historicalIndex) const {
+        return getHistoricalPointerCoords(pointerIndex, historicalIndex).pressure;
+    }
+
+    inline float getHistoricalSize(size_t pointerIndex, size_t historicalIndex) const {
+        return getHistoricalPointerCoords(pointerIndex, historicalIndex).size;
+    }
+
+    inline float getHistoricalTouchMajor(size_t pointerIndex, size_t historicalIndex) const {
+        return getHistoricalPointerCoords(pointerIndex, historicalIndex).touchMajor;
+    }
+
+    inline float getHistoricalTouchMinor(size_t pointerIndex, size_t historicalIndex) const {
+        return getHistoricalPointerCoords(pointerIndex, historicalIndex).touchMinor;
+    }
+
+    inline float getHistoricalToolMajor(size_t pointerIndex, size_t historicalIndex) const {
+        return getHistoricalPointerCoords(pointerIndex, historicalIndex).toolMajor;
+    }
+
+    inline float getHistoricalToolMinor(size_t pointerIndex, size_t historicalIndex) const {
+        return getHistoricalPointerCoords(pointerIndex, historicalIndex).toolMinor;
+    }
+
+    inline float getHistoricalOrientation(size_t pointerIndex, size_t historicalIndex) const {
+        return getHistoricalPointerCoords(pointerIndex, historicalIndex).orientation;
+    }
+
+    void initialize(
+            int32_t deviceId,
+            int32_t source,
+            int32_t action,
+            int32_t edgeFlags,
+            int32_t metaState,
+            float xOffset,
+            float yOffset,
+            float xPrecision,
+            float yPrecision,
+            nsecs_t downTime,
+            nsecs_t eventTime,
+            size_t pointerCount,
+            const int32_t* pointerIds,
+            const PointerCoords* pointerCoords);
+
+    void addSample(
+            nsecs_t eventTime,
+            const PointerCoords* pointerCoords);
+
+    void offsetLocation(float xOffset, float yOffset);
+
+    // Low-level accessors.
+    inline const int32_t* getPointerIds() const { return mPointerIds.array(); }
+    inline const nsecs_t* getSampleEventTimes() const { return mSampleEventTimes.array(); }
+    inline const PointerCoords* getSamplePointerCoords() const {
+            return mSamplePointerCoords.array();
+    }
+
+private:
+    int32_t mAction;
+    int32_t mEdgeFlags;
+    int32_t mMetaState;
+    float mXOffset;
+    float mYOffset;
+    float mXPrecision;
+    float mYPrecision;
+    nsecs_t mDownTime;
+    Vector<int32_t> mPointerIds;
+    Vector<nsecs_t> mSampleEventTimes;
+    Vector<PointerCoords> mSamplePointerCoords;
+
+    inline const PointerCoords& getCurrentPointerCoords(size_t pointerIndex) const {
+        return mSamplePointerCoords[getHistorySize() * getPointerCount() + pointerIndex];
+    }
+
+    inline const PointerCoords& getHistoricalPointerCoords(
+            size_t pointerIndex, size_t historicalIndex) const {
+        return mSamplePointerCoords[historicalIndex * getPointerCount() + pointerIndex];
+    }
+};
+
+/*
+ * Input event factory.
+ */
+class InputEventFactoryInterface {
+protected:
+    virtual ~InputEventFactoryInterface() { }
+
+public:
+    InputEventFactoryInterface() { }
+
+    virtual KeyEvent* createKeyEvent() = 0;
+    virtual MotionEvent* createMotionEvent() = 0;
+};
+
+/*
+ * A simple input event factory implementation that uses a single preallocated instance
+ * of each type of input event that are reused for each request.
+ */
+class PreallocatedInputEventFactory : public InputEventFactoryInterface {
+public:
+    PreallocatedInputEventFactory() { }
+    virtual ~PreallocatedInputEventFactory() { }
+
+    virtual KeyEvent* createKeyEvent() { return & mKeyEvent; }
+    virtual MotionEvent* createMotionEvent() { return & mMotionEvent; }
+
+private:
+    KeyEvent mKeyEvent;
+    MotionEvent mMotionEvent;
+};
+
+
+} // namespace android
+
+#endif // _UI_INPUT_H
diff --git a/include/ui/InputDevice.h b/include/ui/InputDevice.h
new file mode 100644
index 0000000..3b9c70e
--- /dev/null
+++ b/include/ui/InputDevice.h
@@ -0,0 +1,353 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _UI_INPUT_DEVICE_H
+#define _UI_INPUT_DEVICE_H
+
+#include <ui/EventHub.h>
+#include <ui/Input.h>
+#include <utils/KeyedVector.h>
+#include <utils/threads.h>
+#include <utils/Timers.h>
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+#include <utils/BitSet.h>
+
+#include <stddef.h>
+#include <unistd.h>
+
+/* Maximum pointer id value supported.
+ * (This is limited by our use of BitSet32 to track pointer assignments.) */
+#define MAX_POINTER_ID 31
+
+/* Maximum number of historical samples to average. */
+#define AVERAGING_HISTORY_SIZE 5
+
+
+namespace android {
+
+extern int32_t updateMetaState(int32_t keyCode, bool down, int32_t oldMetaState);
+extern int32_t rotateKeyCode(int32_t keyCode, int32_t orientation);
+
+
+/*
+ * An input device structure tracks the state of a single input device.
+ *
+ * This structure is only used by ReaderThread and is not intended to be shared with
+ * DispatcherThread (because that would require locking).  This works out fine because
+ * DispatcherThread is only interested in cooked event data anyways and does not need
+ * any of the low-level data from InputDevice.
+ */
+struct InputDevice {
+    struct AbsoluteAxisInfo {
+        bool valid;        // set to true if axis parameters are known, false otherwise
+
+        int32_t minValue;  // minimum value
+        int32_t maxValue;  // maximum value
+        int32_t range;     // range of values, equal to maxValue - minValue
+        int32_t flat;      // center flat position, eg. flat == 8 means center is between -8 and 8
+        int32_t fuzz;      // error tolerance, eg. fuzz == 4 means value is +/- 4 due to noise
+    };
+
+    struct VirtualKey {
+        int32_t keyCode;
+        int32_t scanCode;
+        uint32_t flags;
+
+        // computed hit box, specified in touch screen coords based on known display size
+        int32_t hitLeft;
+        int32_t hitTop;
+        int32_t hitRight;
+        int32_t hitBottom;
+
+        inline bool isHit(int32_t x, int32_t y) const {
+            return x >= hitLeft && x <= hitRight && y >= hitTop && y <= hitBottom;
+        }
+    };
+
+    struct KeyboardState {
+        struct Current {
+            int32_t metaState;
+            nsecs_t downTime; // time of most recent key down
+        } current;
+
+        void reset();
+    };
+
+    struct TrackballState {
+        struct Accumulator {
+            enum {
+                FIELD_BTN_MOUSE = 1,
+                FIELD_REL_X = 2,
+                FIELD_REL_Y = 4
+            };
+
+            uint32_t fields;
+
+            bool btnMouse;
+            int32_t relX;
+            int32_t relY;
+
+            inline void clear() {
+                fields = 0;
+            }
+
+            inline bool isDirty() {
+                return fields != 0;
+            }
+        } accumulator;
+
+        struct Current {
+            bool down;
+            nsecs_t downTime;
+        } current;
+
+        struct Precalculated {
+            float xScale;
+            float yScale;
+            float xPrecision;
+            float yPrecision;
+        } precalculated;
+
+        void reset();
+    };
+
+    struct SingleTouchScreenState {
+        struct Accumulator {
+            enum {
+                FIELD_BTN_TOUCH = 1,
+                FIELD_ABS_X = 2,
+                FIELD_ABS_Y = 4,
+                FIELD_ABS_PRESSURE = 8,
+                FIELD_ABS_TOOL_WIDTH = 16
+            };
+
+            uint32_t fields;
+
+            bool btnTouch;
+            int32_t absX;
+            int32_t absY;
+            int32_t absPressure;
+            int32_t absToolWidth;
+
+            inline void clear() {
+                fields = 0;
+            }
+
+            inline bool isDirty() {
+                return fields != 0;
+            }
+        } accumulator;
+
+        struct Current {
+            bool down;
+            int32_t x;
+            int32_t y;
+            int32_t pressure;
+            int32_t size;
+        } current;
+
+        void reset();
+    };
+
+    struct MultiTouchScreenState {
+        struct Accumulator {
+            enum {
+                FIELD_ABS_MT_POSITION_X = 1,
+                FIELD_ABS_MT_POSITION_Y = 2,
+                FIELD_ABS_MT_TOUCH_MAJOR = 4,
+                FIELD_ABS_MT_TOUCH_MINOR = 8,
+                FIELD_ABS_MT_WIDTH_MAJOR = 16,
+                FIELD_ABS_MT_WIDTH_MINOR = 32,
+                FIELD_ABS_MT_ORIENTATION = 64,
+                FIELD_ABS_MT_TRACKING_ID = 128
+            };
+
+            uint32_t pointerCount;
+            struct Pointer {
+                uint32_t fields;
+
+                int32_t absMTPositionX;
+                int32_t absMTPositionY;
+                int32_t absMTTouchMajor;
+                int32_t absMTTouchMinor;
+                int32_t absMTWidthMajor;
+                int32_t absMTWidthMinor;
+                int32_t absMTOrientation;
+                int32_t absMTTrackingId;
+
+                inline void clear() {
+                    fields = 0;
+                }
+            } pointers[MAX_POINTERS + 1]; // + 1 to remove the need for extra range checks
+
+            inline void clear() {
+                pointerCount = 0;
+                pointers[0].clear();
+            }
+
+            inline bool isDirty() {
+                return pointerCount != 0;
+            }
+        } accumulator;
+
+        void reset();
+    };
+
+    struct PointerData {
+        uint32_t id;
+        int32_t x;
+        int32_t y;
+        int32_t pressure;
+        int32_t size;
+        int32_t touchMajor;
+        int32_t touchMinor;
+        int32_t toolMajor;
+        int32_t toolMinor;
+        int32_t orientation;
+    };
+
+    struct TouchData {
+        uint32_t pointerCount;
+        PointerData pointers[MAX_POINTERS];
+        BitSet32 idBits;
+        uint32_t idToIndex[MAX_POINTER_ID + 1];
+
+        void copyFrom(const TouchData& other);
+
+        inline void clear() {
+            pointerCount = 0;
+            idBits.clear();
+        }
+    };
+
+    // common state used for both single-touch and multi-touch screens after the initial
+    // touch decoding has been performed
+    struct TouchScreenState {
+        Vector<VirtualKey> virtualKeys;
+
+        struct Parameters {
+            bool useBadTouchFilter;
+            bool useJumpyTouchFilter;
+            bool useAveragingTouchFilter;
+
+            AbsoluteAxisInfo xAxis;
+            AbsoluteAxisInfo yAxis;
+            AbsoluteAxisInfo pressureAxis;
+            AbsoluteAxisInfo sizeAxis;
+            AbsoluteAxisInfo orientationAxis;
+        } parameters;
+
+        // The touch data of the current sample being processed.
+        TouchData currentTouch;
+
+        // The touch data of the previous sample that was processed.  This is updated
+        // incrementally while the current sample is being processed.
+        TouchData lastTouch;
+
+        // The time the primary pointer last went down.
+        nsecs_t downTime;
+
+        struct CurrentVirtualKeyState {
+            enum Status {
+                STATUS_UP,
+                STATUS_DOWN,
+                STATUS_CANCELED
+            };
+
+            Status status;
+            nsecs_t downTime;
+            int32_t keyCode;
+            int32_t scanCode;
+        } currentVirtualKey;
+
+        struct AveragingTouchFilterState {
+            // Individual history tracks are stored by pointer id
+            uint32_t historyStart[MAX_POINTERS];
+            uint32_t historyEnd[MAX_POINTERS];
+            struct {
+                struct {
+                    int32_t x;
+                    int32_t y;
+                    int32_t pressure;
+                } pointers[MAX_POINTERS];
+            } historyData[AVERAGING_HISTORY_SIZE];
+        } averagingTouchFilter;
+
+        struct JumpTouchFilterState {
+            int32_t jumpyPointsDropped;
+        } jumpyTouchFilter;
+
+        struct Precalculated {
+            int32_t xOrigin;
+            float xScale;
+
+            int32_t yOrigin;
+            float yScale;
+
+            int32_t pressureOrigin;
+            float pressureScale;
+
+            int32_t sizeOrigin;
+            float sizeScale;
+
+            float orientationScale;
+        } precalculated;
+
+        void reset();
+
+        bool applyBadTouchFilter();
+        bool applyJumpyTouchFilter();
+        void applyAveragingTouchFilter();
+        void calculatePointerIds();
+
+        bool isPointInsideDisplay(int32_t x, int32_t y) const;
+        const InputDevice::VirtualKey* findVirtualKeyHit() const;
+    };
+
+    InputDevice(int32_t id, uint32_t classes, String8 name);
+
+    int32_t id;
+    uint32_t classes;
+    String8 name;
+    bool ignored;
+
+    KeyboardState keyboard;
+    TrackballState trackball;
+    TouchScreenState touchScreen;
+    union {
+        SingleTouchScreenState singleTouchScreen;
+        MultiTouchScreenState multiTouchScreen;
+    };
+
+    void reset();
+
+    inline bool isKeyboard() const { return classes & INPUT_DEVICE_CLASS_KEYBOARD; }
+    inline bool isAlphaKey() const { return classes & INPUT_DEVICE_CLASS_ALPHAKEY; }
+    inline bool isTrackball() const { return classes & INPUT_DEVICE_CLASS_TRACKBALL; }
+    inline bool isDPad() const { return classes & INPUT_DEVICE_CLASS_DPAD; }
+    inline bool isSingleTouchScreen() const { return (classes
+            & (INPUT_DEVICE_CLASS_TOUCHSCREEN | INPUT_DEVICE_CLASS_TOUCHSCREEN_MT))
+            == INPUT_DEVICE_CLASS_TOUCHSCREEN; }
+    inline bool isMultiTouchScreen() const { return classes
+            & INPUT_DEVICE_CLASS_TOUCHSCREEN_MT; }
+    inline bool isTouchScreen() const { return classes
+            & (INPUT_DEVICE_CLASS_TOUCHSCREEN | INPUT_DEVICE_CLASS_TOUCHSCREEN_MT); }
+};
+
+} // namespace android
+
+#endif // _UI_INPUT_DEVICE_H
diff --git a/include/ui/InputDispatcher.h b/include/ui/InputDispatcher.h
new file mode 100644
index 0000000..674852a
--- /dev/null
+++ b/include/ui/InputDispatcher.h
@@ -0,0 +1,648 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _UI_INPUT_DISPATCHER_H
+#define _UI_INPUT_DISPATCHER_H
+
+#include <ui/Input.h>
+#include <ui/InputTransport.h>
+#include <utils/KeyedVector.h>
+#include <utils/Vector.h>
+#include <utils/threads.h>
+#include <utils/Timers.h>
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+#include <utils/PollLoop.h>
+#include <utils/Pool.h>
+
+#include <stddef.h>
+#include <unistd.h>
+
+
+namespace android {
+
+/*
+ * Constants used to report the outcome of input event injection.
+ */
+enum {
+    /* (INTERNAL USE ONLY) Specifies that injection is pending and its outcome is unknown. */
+    INPUT_EVENT_INJECTION_PENDING = -1,
+
+    /* Injection succeeded. */
+    INPUT_EVENT_INJECTION_SUCCEEDED = 0,
+
+    /* Injection failed because the injector did not have permission to inject
+     * into the application with input focus. */
+    INPUT_EVENT_INJECTION_PERMISSION_DENIED = 1,
+
+    /* Injection failed because there were no available input targets. */
+    INPUT_EVENT_INJECTION_FAILED = 2,
+
+    /* Injection failed due to a timeout. */
+    INPUT_EVENT_INJECTION_TIMED_OUT = 3
+};
+
+
+/*
+ * An input target specifies how an input event is to be dispatched to a particular window
+ * including the window's input channel, control flags, a timeout, and an X / Y offset to
+ * be added to input event coordinates to compensate for the absolute position of the
+ * window area.
+ */
+struct InputTarget {
+    enum {
+        /* This flag indicates that subsequent event delivery should be held until the
+         * current event is delivered to this target or a timeout occurs. */
+        FLAG_SYNC = 0x01,
+
+        /* This flag indicates that a MotionEvent with ACTION_DOWN falls outside of the area of
+         * this target and so should instead be delivered as an ACTION_OUTSIDE to this target. */
+        FLAG_OUTSIDE = 0x02,
+
+        /* This flag indicates that a KeyEvent or MotionEvent is being canceled.
+         * In the case of a key event, it should be delivered with KeyEvent.FLAG_CANCELED set.
+         * In the case of a motion event, it should be delivered as MotionEvent.ACTION_CANCEL. */
+        FLAG_CANCEL = 0x04
+    };
+
+    // The input channel to be targeted.
+    sp<InputChannel> inputChannel;
+
+    // Flags for the input target.
+    int32_t flags;
+
+    // The timeout for event delivery to this target in nanoseconds.  Or -1 if none.
+    nsecs_t timeout;
+
+    // The x and y offset to add to a MotionEvent as it is delivered.
+    // (ignored for KeyEvents)
+    float xOffset, yOffset;
+};
+
+
+/*
+ * Input dispatcher policy interface.
+ *
+ * The input reader policy is used by the input reader to interact with the Window Manager
+ * and other system components.
+ *
+ * The actual implementation is partially supported by callbacks into the DVM
+ * via JNI.  This interface is also mocked in the unit tests.
+ */
+class InputDispatcherPolicyInterface : public virtual RefBase {
+protected:
+    InputDispatcherPolicyInterface() { }
+    virtual ~InputDispatcherPolicyInterface() { }
+
+public:
+    /* Notifies the system that a configuration change has occurred. */
+    virtual void notifyConfigurationChanged(nsecs_t when) = 0;
+
+    /* Notifies the system that an input channel is unrecoverably broken. */
+    virtual void notifyInputChannelBroken(const sp<InputChannel>& inputChannel) = 0;
+
+    /* Notifies the system that an input channel is not responding.
+     * Returns true and a new timeout value if the dispatcher should keep waiting.
+     * Otherwise returns false. */
+    virtual bool notifyInputChannelANR(const sp<InputChannel>& inputChannel,
+            nsecs_t& outNewTimeout) = 0;
+
+    /* Notifies the system that an input channel recovered from ANR. */
+    virtual void notifyInputChannelRecoveredFromANR(const sp<InputChannel>& inputChannel) = 0;
+
+    /* Gets the key repeat timeout or -1 if automatic key repeating is disabled. */
+    virtual nsecs_t getKeyRepeatTimeout() = 0;
+
+    /* Waits for key event input targets to become available.
+     * If the event is being injected, injectorPid and injectorUid should specify the
+     * process id and used id of the injecting application, otherwise they should both
+     * be -1.
+     * Returns one of the INPUT_EVENT_INJECTION_XXX constants. */
+    virtual int32_t waitForKeyEventTargets(KeyEvent* keyEvent, uint32_t policyFlags,
+            int32_t injectorPid, int32_t injectorUid,
+            Vector<InputTarget>& outTargets) = 0;
+
+    /* Waits for motion event targets to become available.
+     * If the event is being injected, injectorPid and injectorUid should specify the
+     * process id and used id of the injecting application, otherwise they should both
+     * be -1.
+     * Returns one of the INPUT_EVENT_INJECTION_XXX constants. */
+    virtual int32_t waitForMotionEventTargets(MotionEvent* motionEvent, uint32_t policyFlags,
+            int32_t injectorPid, int32_t injectorUid,
+            Vector<InputTarget>& outTargets) = 0;
+};
+
+
+/* Notifies the system about input events generated by the input reader.
+ * The dispatcher is expected to be mostly asynchronous. */
+class InputDispatcherInterface : public virtual RefBase {
+protected:
+    InputDispatcherInterface() { }
+    virtual ~InputDispatcherInterface() { }
+
+public:
+    /* Runs a single iteration of the dispatch loop.
+     * Nominally processes one queued event, a timeout, or a response from an input consumer.
+     *
+     * This method should only be called on the input dispatcher thread.
+     */
+    virtual void dispatchOnce() = 0;
+
+    /* Notifies the dispatcher about new events.
+     *
+     * These methods should only be called on the input reader thread.
+     */
+    virtual void notifyConfigurationChanged(nsecs_t eventTime) = 0;
+    virtual void notifyAppSwitchComing(nsecs_t eventTime) = 0;
+    virtual void notifyKey(nsecs_t eventTime, int32_t deviceId, int32_t source,
+            uint32_t policyFlags, int32_t action, int32_t flags, int32_t keyCode,
+            int32_t scanCode, int32_t metaState, nsecs_t downTime) = 0;
+    virtual void notifyMotion(nsecs_t eventTime, int32_t deviceId, int32_t source,
+            uint32_t policyFlags, int32_t action, int32_t metaState, int32_t edgeFlags,
+            uint32_t pointerCount, const int32_t* pointerIds, const PointerCoords* pointerCoords,
+            float xPrecision, float yPrecision, nsecs_t downTime) = 0;
+
+    /* Injects an input event and optionally waits for sync.
+     * This method may block even if sync is false because it must wait for previous events
+     * to be dispatched before it can determine whether input event injection will be
+     * permitted based on the current input focus.
+     * Returns one of the INPUT_EVENT_INJECTION_XXX constants.
+     *
+     * This method may be called on any thread (usually by the input manager).
+     */
+    virtual int32_t injectInputEvent(const InputEvent* event,
+            int32_t injectorPid, int32_t injectorUid, bool sync, int32_t timeoutMillis) = 0;
+
+    /* Preempts input dispatch in progress by making pending synchronous
+     * dispatches asynchronous instead.  This method is generally called during a focus
+     * transition from one application to the next so as to enable the new application
+     * to start receiving input as soon as possible without having to wait for the
+     * old application to finish up.
+     *
+     * This method may be called on any thread (usually by the input manager).
+     */
+    virtual void preemptInputDispatch() = 0;
+
+    /* Registers or unregister input channels that may be used as targets for input events.
+     *
+     * These methods may be called on any thread (usually by the input manager).
+     */
+    virtual status_t registerInputChannel(const sp<InputChannel>& inputChannel) = 0;
+    virtual status_t unregisterInputChannel(const sp<InputChannel>& inputChannel) = 0;
+};
+
+/* Dispatches events to input targets.  Some functions of the input dispatcher, such as
+ * identifying input targets, are controlled by a separate policy object.
+ *
+ * IMPORTANT INVARIANT:
+ *     Because the policy can potentially block or cause re-entrance into the input dispatcher,
+ *     the input dispatcher never calls into the policy while holding its internal locks.
+ *     The implementation is also carefully designed to recover from scenarios such as an
+ *     input channel becoming unregistered while identifying input targets or processing timeouts.
+ *
+ *     Methods marked 'Locked' must be called with the lock acquired.
+ *
+ *     Methods marked 'LockedInterruptible' must be called with the lock acquired but
+ *     may during the course of their execution release the lock, call into the policy, and
+ *     then reacquire the lock.  The caller is responsible for recovering gracefully.
+ *
+ *     A 'LockedInterruptible' method may called a 'Locked' method, but NOT vice-versa.
+ */
+class InputDispatcher : public InputDispatcherInterface {
+protected:
+    virtual ~InputDispatcher();
+
+public:
+    explicit InputDispatcher(const sp<InputDispatcherPolicyInterface>& policy);
+
+    virtual void dispatchOnce();
+
+    virtual void notifyConfigurationChanged(nsecs_t eventTime);
+    virtual void notifyAppSwitchComing(nsecs_t eventTime);
+    virtual void notifyKey(nsecs_t eventTime, int32_t deviceId, int32_t source,
+            uint32_t policyFlags, int32_t action, int32_t flags, int32_t keyCode,
+            int32_t scanCode, int32_t metaState, nsecs_t downTime);
+    virtual void notifyMotion(nsecs_t eventTime, int32_t deviceId, int32_t source,
+            uint32_t policyFlags, int32_t action, int32_t metaState, int32_t edgeFlags,
+            uint32_t pointerCount, const int32_t* pointerIds, const PointerCoords* pointerCoords,
+            float xPrecision, float yPrecision, nsecs_t downTime);
+
+    virtual int32_t injectInputEvent(const InputEvent* event,
+            int32_t injectorPid, int32_t injectorUid, bool sync, int32_t timeoutMillis);
+
+    virtual void preemptInputDispatch();
+
+    virtual status_t registerInputChannel(const sp<InputChannel>& inputChannel);
+    virtual status_t unregisterInputChannel(const sp<InputChannel>& inputChannel);
+
+private:
+    template <typename T>
+    struct Link {
+        T* next;
+        T* prev;
+    };
+
+    struct EventEntry : Link<EventEntry> {
+        enum {
+            TYPE_SENTINEL,
+            TYPE_CONFIGURATION_CHANGED,
+            TYPE_KEY,
+            TYPE_MOTION
+        };
+
+        int32_t refCount;
+        int32_t type;
+        nsecs_t eventTime;
+
+        int32_t injectionResult; // initially INPUT_EVENT_INJECTION_PENDING
+        int32_t injectorPid;     // -1 if not injected
+        int32_t injectorUid;     // -1 if not injected
+
+        bool dispatchInProgress; // initially false, set to true while dispatching
+
+        inline bool isInjected() { return injectorPid >= 0; }
+    };
+
+    struct ConfigurationChangedEntry : EventEntry {
+    };
+
+    struct KeyEntry : EventEntry {
+        int32_t deviceId;
+        int32_t source;
+        uint32_t policyFlags;
+        int32_t action;
+        int32_t flags;
+        int32_t keyCode;
+        int32_t scanCode;
+        int32_t metaState;
+        int32_t repeatCount;
+        nsecs_t downTime;
+    };
+
+    struct MotionSample {
+        MotionSample* next;
+
+        nsecs_t eventTime;
+        PointerCoords pointerCoords[MAX_POINTERS];
+    };
+
+    struct MotionEntry : EventEntry {
+        int32_t deviceId;
+        int32_t source;
+        uint32_t policyFlags;
+        int32_t action;
+        int32_t metaState;
+        int32_t edgeFlags;
+        float xPrecision;
+        float yPrecision;
+        nsecs_t downTime;
+        uint32_t pointerCount;
+        int32_t pointerIds[MAX_POINTERS];
+
+        // Linked list of motion samples associated with this motion event.
+        MotionSample firstSample;
+        MotionSample* lastSample;
+    };
+
+    // Tracks the progress of dispatching a particular event to a particular connection.
+    struct DispatchEntry : Link<DispatchEntry> {
+        EventEntry* eventEntry; // the event to dispatch
+        int32_t targetFlags;
+        float xOffset;
+        float yOffset;
+        nsecs_t timeout;
+
+        // True if dispatch has started.
+        bool inProgress;
+
+        // For motion events:
+        //   Pointer to the first motion sample to dispatch in this cycle.
+        //   Usually NULL to indicate that the list of motion samples begins at
+        //   MotionEntry::firstSample.  Otherwise, some samples were dispatched in a previous
+        //   cycle and this pointer indicates the location of the first remainining sample
+        //   to dispatch during the current cycle.
+        MotionSample* headMotionSample;
+        //   Pointer to a motion sample to dispatch in the next cycle if the dispatcher was
+        //   unable to send all motion samples during this cycle.  On the next cycle,
+        //   headMotionSample will be initialized to tailMotionSample and tailMotionSample
+        //   will be set to NULL.
+        MotionSample* tailMotionSample;
+    };
+
+    // A command entry captures state and behavior for an action to be performed in the
+    // dispatch loop after the initial processing has taken place.  It is essentially
+    // a kind of continuation used to postpone sensitive policy interactions to a point
+    // in the dispatch loop where it is safe to release the lock (generally after finishing
+    // the critical parts of the dispatch cycle).
+    //
+    // The special thing about commands is that they can voluntarily release and reacquire
+    // the dispatcher lock at will.  Initially when the command starts running, the
+    // dispatcher lock is held.  However, if the command needs to call into the policy to
+    // do some work, it can release the lock, do the work, then reacquire the lock again
+    // before returning.
+    //
+    // This mechanism is a bit clunky but it helps to preserve the invariant that the dispatch
+    // never calls into the policy while holding its lock.
+    //
+    // Commands are implicitly 'LockedInterruptible'.
+    struct CommandEntry;
+    typedef void (InputDispatcher::*Command)(CommandEntry* commandEntry);
+
+    class Connection;
+    struct CommandEntry : Link<CommandEntry> {
+        CommandEntry();
+        ~CommandEntry();
+
+        Command command;
+
+        // parameters for the command (usage varies by command)
+        sp<Connection> connection;
+    };
+
+    // Generic queue implementation.
+    template <typename T>
+    struct Queue {
+        T head;
+        T tail;
+
+        inline Queue() {
+            head.prev = NULL;
+            head.next = & tail;
+            tail.prev = & head;
+            tail.next = NULL;
+        }
+
+        inline bool isEmpty() {
+            return head.next == & tail;
+        }
+
+        inline void enqueueAtTail(T* entry) {
+            T* last = tail.prev;
+            last->next = entry;
+            entry->prev = last;
+            entry->next = & tail;
+            tail.prev = entry;
+        }
+
+        inline void enqueueAtHead(T* entry) {
+            T* first = head.next;
+            head.next = entry;
+            entry->prev = & head;
+            entry->next = first;
+            first->prev = entry;
+        }
+
+        inline void dequeue(T* entry) {
+            entry->prev->next = entry->next;
+            entry->next->prev = entry->prev;
+        }
+
+        inline T* dequeueAtHead() {
+            T* first = head.next;
+            dequeue(first);
+            return first;
+        }
+    };
+
+    /* Allocates queue entries and performs reference counting as needed. */
+    class Allocator {
+    public:
+        Allocator();
+
+        ConfigurationChangedEntry* obtainConfigurationChangedEntry(nsecs_t eventTime);
+        KeyEntry* obtainKeyEntry(nsecs_t eventTime,
+                int32_t deviceId, int32_t source, uint32_t policyFlags, int32_t action,
+                int32_t flags, int32_t keyCode, int32_t scanCode, int32_t metaState,
+                int32_t repeatCount, nsecs_t downTime);
+        MotionEntry* obtainMotionEntry(nsecs_t eventTime,
+                int32_t deviceId, int32_t source, uint32_t policyFlags, int32_t action,
+                int32_t metaState, int32_t edgeFlags, float xPrecision, float yPrecision,
+                nsecs_t downTime, uint32_t pointerCount,
+                const int32_t* pointerIds, const PointerCoords* pointerCoords);
+        DispatchEntry* obtainDispatchEntry(EventEntry* eventEntry);
+        CommandEntry* obtainCommandEntry(Command command);
+
+        void releaseEventEntry(EventEntry* entry);
+        void releaseConfigurationChangedEntry(ConfigurationChangedEntry* entry);
+        void releaseKeyEntry(KeyEntry* entry);
+        void releaseMotionEntry(MotionEntry* entry);
+        void releaseDispatchEntry(DispatchEntry* entry);
+        void releaseCommandEntry(CommandEntry* entry);
+
+        void appendMotionSample(MotionEntry* motionEntry,
+                nsecs_t eventTime, const PointerCoords* pointerCoords);
+
+    private:
+        Pool<ConfigurationChangedEntry> mConfigurationChangeEntryPool;
+        Pool<KeyEntry> mKeyEntryPool;
+        Pool<MotionEntry> mMotionEntryPool;
+        Pool<MotionSample> mMotionSamplePool;
+        Pool<DispatchEntry> mDispatchEntryPool;
+        Pool<CommandEntry> mCommandEntryPool;
+
+        void initializeEventEntry(EventEntry* entry, int32_t type, nsecs_t eventTime);
+    };
+
+    /* Manages the dispatch state associated with a single input channel. */
+    class Connection : public RefBase {
+    protected:
+        virtual ~Connection();
+
+    public:
+        enum Status {
+            // Everything is peachy.
+            STATUS_NORMAL,
+            // An unrecoverable communication error has occurred.
+            STATUS_BROKEN,
+            // The client is not responding.
+            STATUS_NOT_RESPONDING,
+            // The input channel has been unregistered.
+            STATUS_ZOMBIE
+        };
+
+        Status status;
+        sp<InputChannel> inputChannel;
+        InputPublisher inputPublisher;
+        Queue<DispatchEntry> outboundQueue;
+        nsecs_t nextTimeoutTime; // next timeout time (LONG_LONG_MAX if none)
+
+        nsecs_t lastEventTime; // the time when the event was originally captured
+        nsecs_t lastDispatchTime; // the time when the last event was dispatched
+        nsecs_t lastANRTime; // the time when the last ANR was recorded
+
+        explicit Connection(const sp<InputChannel>& inputChannel);
+
+        inline const char* getInputChannelName() const { return inputChannel->getName().string(); }
+
+        const char* getStatusLabel() const;
+
+        // Finds a DispatchEntry in the outbound queue associated with the specified event.
+        // Returns NULL if not found.
+        DispatchEntry* findQueuedDispatchEntryForEvent(const EventEntry* eventEntry) const;
+
+        // Determine whether this connection has a pending synchronous dispatch target.
+        // Since there can only ever be at most one such target at a time, if there is one,
+        // it must be at the tail because nothing else can be enqueued after it.
+        inline bool hasPendingSyncTarget() {
+            return ! outboundQueue.isEmpty()
+                    && (outboundQueue.tail.prev->targetFlags & InputTarget::FLAG_SYNC);
+        }
+
+        // Gets the time since the current event was originally obtained from the input driver.
+        inline double getEventLatencyMillis(nsecs_t currentTime) {
+            return (currentTime - lastEventTime) / 1000000.0;
+        }
+
+        // Gets the time since the current event entered the outbound dispatch queue.
+        inline double getDispatchLatencyMillis(nsecs_t currentTime) {
+            return (currentTime - lastDispatchTime) / 1000000.0;
+        }
+
+        // Gets the time since the current event ANR was declared, if applicable.
+        inline double getANRLatencyMillis(nsecs_t currentTime) {
+            return (currentTime - lastANRTime) / 1000000.0;
+        }
+
+        status_t initialize();
+
+        void setNextTimeoutTime(nsecs_t currentTime, nsecs_t timeout);
+    };
+
+    sp<InputDispatcherPolicyInterface> mPolicy;
+
+    Mutex mLock;
+
+    Allocator mAllocator;
+    sp<PollLoop> mPollLoop;
+
+    Queue<EventEntry> mInboundQueue;
+    Queue<CommandEntry> mCommandQueue;
+
+    // All registered connections mapped by receive pipe file descriptor.
+    KeyedVector<int, sp<Connection> > mConnectionsByReceiveFd;
+
+    // Active connections are connections that have a non-empty outbound queue.
+    // We don't use a ref-counted pointer here because we explicitly abort connections
+    // during unregistration which causes the connection's outbound queue to be cleared
+    // and the connection itself to be deactivated.
+    Vector<Connection*> mActiveConnections;
+
+    // List of connections that have timed out.  Only used by dispatchOnce()
+    // We don't use a ref-counted pointer here because it is not possible for a connection
+    // to be unregistered while processing timed out connections since we hold the lock for
+    // the duration.
+    Vector<Connection*> mTimedOutConnections;
+
+    // Preallocated key and motion event objects used only to ask the input dispatcher policy
+    // for the targets of an event that is to be dispatched.
+    KeyEvent mReusableKeyEvent;
+    MotionEvent mReusableMotionEvent;
+
+    // The input targets that were most recently identified for dispatch.
+    // If there is a synchronous event dispatch in progress, the current input targets will
+    // remain unchanged until the dispatch has completed or been aborted.
+    Vector<InputTarget> mCurrentInputTargets;
+    bool mCurrentInputTargetsValid; // false while targets are being recomputed
+
+    // Event injection and synchronization.
+    Condition mInjectionResultAvailableCondition;
+    Condition mFullySynchronizedCondition;
+    bool isFullySynchronizedLocked();
+    EventEntry* createEntryFromInputEventLocked(const InputEvent* event);
+    void setInjectionResultLocked(EventEntry* entry, int32_t injectionResult);
+
+    // Key repeat tracking.
+    // XXX Move this up to the input reader instead.
+    struct KeyRepeatState {
+        KeyEntry* lastKeyEntry; // or null if no repeat
+        nsecs_t nextRepeatTime;
+    } mKeyRepeatState;
+
+    void resetKeyRepeatLocked();
+
+    // Deferred command processing.
+    bool runCommandsLockedInterruptible();
+    CommandEntry* postCommandLocked(Command command);
+
+    // Process events that have just been dequeued from the head of the input queue.
+    void processConfigurationChangedLockedInterruptible(
+            nsecs_t currentTime, ConfigurationChangedEntry* entry);
+    void processKeyLockedInterruptible(
+            nsecs_t currentTime, KeyEntry* entry, nsecs_t keyRepeatTimeout);
+    void processKeyRepeatLockedInterruptible(
+            nsecs_t currentTime, nsecs_t keyRepeatTimeout);
+    void processMotionLockedInterruptible(
+            nsecs_t currentTime, MotionEntry* entry);
+
+    // Identify input targets for an event and dispatch to them.
+    void identifyInputTargetsAndDispatchKeyLockedInterruptible(
+            nsecs_t currentTime, KeyEntry* entry);
+    void identifyInputTargetsAndDispatchMotionLockedInterruptible(
+            nsecs_t currentTime, MotionEntry* entry);
+    void dispatchEventToCurrentInputTargetsLocked(
+            nsecs_t currentTime, EventEntry* entry, bool resumeWithAppendedMotionSample);
+
+    // Manage the dispatch cycle for a single connection.
+    // These methods are deliberately not Interruptible because doing all of the work
+    // with the mutex held makes it easier to ensure that connection invariants are maintained.
+    // If needed, the methods post commands to run later once the critical bits are done.
+    void prepareDispatchCycleLocked(nsecs_t currentTime, const sp<Connection>& connection,
+            EventEntry* eventEntry, const InputTarget* inputTarget,
+            bool resumeWithAppendedMotionSample);
+    void startDispatchCycleLocked(nsecs_t currentTime, const sp<Connection>& connection);
+    void finishDispatchCycleLocked(nsecs_t currentTime, const sp<Connection>& connection);
+    void timeoutDispatchCycleLocked(nsecs_t currentTime, const sp<Connection>& connection);
+    void resumeAfterTimeoutDispatchCycleLocked(nsecs_t currentTime,
+            const sp<Connection>& connection, nsecs_t newTimeout);
+    void abortDispatchCycleLocked(nsecs_t currentTime, const sp<Connection>& connection,
+            bool broken);
+    static bool handleReceiveCallback(int receiveFd, int events, void* data);
+
+    // Add or remove a connection to the mActiveConnections vector.
+    void activateConnectionLocked(Connection* connection);
+    void deactivateConnectionLocked(Connection* connection);
+
+    // Interesting events that we might like to log or tell the framework about.
+    void onDispatchCycleStartedLocked(
+            nsecs_t currentTime, const sp<Connection>& connection);
+    void onDispatchCycleFinishedLocked(
+            nsecs_t currentTime, const sp<Connection>& connection, bool recoveredFromANR);
+    void onDispatchCycleANRLocked(
+            nsecs_t currentTime, const sp<Connection>& connection);
+    void onDispatchCycleBrokenLocked(
+            nsecs_t currentTime, const sp<Connection>& connection);
+
+    // Outbound policy interactions.
+    void doNotifyInputChannelBrokenLockedInterruptible(CommandEntry* commandEntry);
+    void doNotifyInputChannelANRLockedInterruptible(CommandEntry* commandEntry);
+    void doNotifyInputChannelRecoveredFromANRLockedInterruptible(CommandEntry* commandEntry);
+};
+
+/* Enqueues and dispatches input events, endlessly. */
+class InputDispatcherThread : public Thread {
+public:
+    explicit InputDispatcherThread(const sp<InputDispatcherInterface>& dispatcher);
+    ~InputDispatcherThread();
+
+private:
+    virtual bool threadLoop();
+
+    sp<InputDispatcherInterface> mDispatcher;
+};
+
+} // namespace android
+
+#endif // _UI_INPUT_DISPATCHER_PRIV_H
diff --git a/include/ui/InputManager.h b/include/ui/InputManager.h
new file mode 100644
index 0000000..e755238
--- /dev/null
+++ b/include/ui/InputManager.h
@@ -0,0 +1,164 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _UI_INPUT_MANAGER_H
+#define _UI_INPUT_MANAGER_H
+
+/**
+ * Native input manager.
+ */
+
+#include <ui/EventHub.h>
+#include <ui/Input.h>
+#include <utils/Errors.h>
+#include <utils/Vector.h>
+#include <utils/Timers.h>
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+
+namespace android {
+
+class InputChannel;
+
+class InputReaderInterface;
+class InputReaderPolicyInterface;
+class InputReaderThread;
+
+class InputDispatcherInterface;
+class InputDispatcherPolicyInterface;
+class InputDispatcherThread;
+
+/*
+ * The input manager is the core of the system event processing.
+ *
+ * The input manager uses two threads.
+ *
+ * 1. The InputReaderThread (called "InputReader") reads and preprocesses raw input events,
+ *    applies policy, and posts messages to a queue managed by the DispatcherThread.
+ * 2. The InputDispatcherThread (called "InputDispatcher") thread waits for new events on the
+ *    queue and asynchronously dispatches them to applications.
+ *
+ * By design, the InputReaderThread class and InputDispatcherThread class do not share any
+ * internal state.  Moreover, all communication is done one way from the InputReaderThread
+ * into the InputDispatcherThread and never the reverse.  Both classes may interact with the
+ * InputDispatchPolicy, however.
+ *
+ * The InputManager class never makes any calls into Java itself.  Instead, the
+ * InputDispatchPolicy is responsible for performing all external interactions with the
+ * system, including calling DVM services.
+ */
+class InputManagerInterface : public virtual RefBase {
+protected:
+    InputManagerInterface() { }
+    virtual ~InputManagerInterface() { }
+
+public:
+    /* Starts the input manager threads. */
+    virtual status_t start() = 0;
+
+    /* Stops the input manager threads and waits for them to exit. */
+    virtual status_t stop() = 0;
+
+    /* Registers an input channel prior to using it as the target of an event. */
+    virtual status_t registerInputChannel(const sp<InputChannel>& inputChannel) = 0;
+
+    /* Unregisters an input channel. */
+    virtual status_t unregisterInputChannel(const sp<InputChannel>& inputChannel) = 0;
+
+    /* Injects an input event and optionally waits for sync.
+     * This method may block even if sync is false because it must wait for previous events
+     * to be dispatched before it can determine whether input event injection will be
+     * permitted based on the current input focus.
+     * Returns one of the INPUT_EVENT_INJECTION_XXX constants.
+     */
+    virtual int32_t injectInputEvent(const InputEvent* event,
+            int32_t injectorPid, int32_t injectorUid, bool sync, int32_t timeoutMillis) = 0;
+
+    /* Preempts input dispatch in progress by making pending synchronous
+     * dispatches asynchronous instead.  This method is generally called during a focus
+     * transition from one application to the next so as to enable the new application
+     * to start receiving input as soon as possible without having to wait for the
+     * old application to finish up.
+     */
+    virtual void preemptInputDispatch() = 0;
+
+    /* Gets input device configuration. */
+    virtual void getInputConfiguration(InputConfiguration* outConfiguration) const = 0;
+
+    /*
+     * Queries current input state.
+     *   deviceId may be -1 to search for the device automatically, filtered by class.
+     *   deviceClasses may be -1 to ignore device class while searching.
+     */
+    virtual int32_t getScanCodeState(int32_t deviceId, int32_t deviceClasses,
+            int32_t scanCode) const = 0;
+    virtual int32_t getKeyCodeState(int32_t deviceId, int32_t deviceClasses,
+            int32_t keyCode) const = 0;
+    virtual int32_t getSwitchState(int32_t deviceId, int32_t deviceClasses,
+            int32_t sw) const = 0;
+
+    /* Determines whether physical keys exist for the given framework-domain key codes. */
+    virtual bool hasKeys(size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) const = 0;
+};
+
+class InputManager : public InputManagerInterface {
+protected:
+    virtual ~InputManager();
+
+public:
+    InputManager(
+            const sp<EventHubInterface>& eventHub,
+            const sp<InputReaderPolicyInterface>& readerPolicy,
+            const sp<InputDispatcherPolicyInterface>& dispatcherPolicy);
+
+    // (used for testing purposes)
+    InputManager(
+            const sp<InputReaderInterface>& reader,
+            const sp<InputDispatcherInterface>& dispatcher);
+
+    virtual status_t start();
+    virtual status_t stop();
+
+    virtual status_t registerInputChannel(const sp<InputChannel>& inputChannel);
+    virtual status_t unregisterInputChannel(const sp<InputChannel>& inputChannel);
+
+    virtual int32_t injectInputEvent(const InputEvent* event,
+            int32_t injectorPid, int32_t injectorUid, bool sync, int32_t timeoutMillis);
+
+    virtual void preemptInputDispatch();
+
+    virtual void getInputConfiguration(InputConfiguration* outConfiguration) const;
+    virtual int32_t getScanCodeState(int32_t deviceId, int32_t deviceClasses,
+            int32_t scanCode) const;
+    virtual int32_t getKeyCodeState(int32_t deviceId, int32_t deviceClasses,
+            int32_t keyCode) const;
+    virtual int32_t getSwitchState(int32_t deviceId, int32_t deviceClasses,
+            int32_t sw) const;
+    virtual bool hasKeys(size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) const;
+
+private:
+    sp<InputReaderInterface> mReader;
+    sp<InputReaderThread> mReaderThread;
+
+    sp<InputDispatcherInterface> mDispatcher;
+    sp<InputDispatcherThread> mDispatcherThread;
+
+    void initialize();
+};
+
+} // namespace android
+
+#endif // _UI_INPUT_MANAGER_H
diff --git a/include/ui/InputReader.h b/include/ui/InputReader.h
new file mode 100644
index 0000000..14bea65
--- /dev/null
+++ b/include/ui/InputReader.h
@@ -0,0 +1,334 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _UI_INPUT_READER_H
+#define _UI_INPUT_READER_H
+
+#include <ui/EventHub.h>
+#include <ui/Input.h>
+#include <ui/InputDevice.h>
+#include <ui/InputDispatcher.h>
+#include <utils/KeyedVector.h>
+#include <utils/threads.h>
+#include <utils/Timers.h>
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+#include <utils/BitSet.h>
+
+#include <stddef.h>
+#include <unistd.h>
+
+namespace android {
+
+/*
+ * Input reader policy interface.
+ *
+ * The input reader policy is used by the input reader to interact with the Window Manager
+ * and other system components.
+ *
+ * The actual implementation is partially supported by callbacks into the DVM
+ * via JNI.  This interface is also mocked in the unit tests.
+ */
+class InputReaderPolicyInterface : public virtual RefBase {
+protected:
+    InputReaderPolicyInterface() { }
+    virtual ~InputReaderPolicyInterface() { }
+
+public:
+    /* Display orientations. */
+    enum {
+        ROTATION_0 = 0,
+        ROTATION_90 = 1,
+        ROTATION_180 = 2,
+        ROTATION_270 = 3
+    };
+
+    /* Actions returned by interceptXXX methods. */
+    enum {
+        // The input dispatcher should do nothing and discard the input unless other
+        // flags are set.
+        ACTION_NONE = 0,
+
+        // The input dispatcher should dispatch the input to the application.
+        ACTION_DISPATCH = 0x00000001,
+
+        // The input dispatcher should perform special filtering in preparation for
+        // a pending app switch.
+        ACTION_APP_SWITCH_COMING = 0x00000002,
+
+        // The input dispatcher should add POLICY_FLAG_WOKE_HERE to the policy flags it
+        // passes through the dispatch pipeline.
+        ACTION_WOKE_HERE = 0x00000004,
+
+        // The input dispatcher should add POLICY_FLAG_BRIGHT_HERE to the policy flags it
+        // passes through the dispatch pipeline.
+        ACTION_BRIGHT_HERE = 0x00000008,
+    };
+
+    /* Describes a virtual key. */
+    struct VirtualKeyDefinition {
+        int32_t scanCode;
+
+        // configured position data, specified in display coords
+        int32_t centerX;
+        int32_t centerY;
+        int32_t width;
+        int32_t height;
+    };
+
+    /* Gets information about the display with the specified id.
+     * Returns true if the display info is available, false otherwise.
+     */
+    virtual bool getDisplayInfo(int32_t displayId,
+            int32_t* width, int32_t* height, int32_t* orientation) = 0;
+
+    /* Provides feedback for a virtual key down.
+     */
+    virtual void virtualKeyDownFeedback() = 0;
+
+    /* Intercepts a key event.
+     * The policy can use this method as an opportunity to perform power management functions
+     * and early event preprocessing.
+     *
+     * Returns a policy action constant such as ACTION_DISPATCH.
+     */
+    virtual int32_t interceptKey(nsecs_t when, int32_t deviceId,
+            bool down, int32_t keyCode, int32_t scanCode, uint32_t policyFlags) = 0;
+
+    /* Intercepts a trackball event.
+     * The policy can use this method as an opportunity to perform power management functions
+     * and early event preprocessing.
+     *
+     * Returns a policy action constant such as ACTION_DISPATCH.
+     */
+    virtual int32_t interceptTrackball(nsecs_t when, bool buttonChanged, bool buttonDown,
+            bool rolled) = 0;
+
+    /* Intercepts a touch event.
+     * The policy can use this method as an opportunity to perform power management functions
+     * and early event preprocessing.
+     *
+     * Returns a policy action constant such as ACTION_DISPATCH.
+     */
+    virtual int32_t interceptTouch(nsecs_t when) = 0;
+
+    /* Intercepts a switch event.
+     * The policy can use this method as an opportunity to perform power management functions
+     * and early event preprocessing.
+     *
+     * Switches are not dispatched to applications so this method should
+     * usually return ACTION_NONE.
+     */
+    virtual int32_t interceptSwitch(nsecs_t when, int32_t switchCode, int32_t switchValue) = 0;
+
+    /* Determines whether to turn on some hacks we have to improve the touch interaction with a
+     * certain device whose screen currently is not all that good.
+     */
+    virtual bool filterTouchEvents() = 0;
+
+    /* Determines whether to turn on some hacks to improve touch interaction with another device
+     * where touch coordinate data can get corrupted.
+     */
+    virtual bool filterJumpyTouchEvents() = 0;
+
+    /* Gets the configured virtual key definitions for an input device. */
+    virtual void getVirtualKeyDefinitions(const String8& deviceName,
+            Vector<VirtualKeyDefinition>& outVirtualKeyDefinitions) = 0;
+
+    /* Gets the excluded device names for the platform. */
+    virtual void getExcludedDeviceNames(Vector<String8>& outExcludedDeviceNames) = 0;
+};
+
+
+/* Processes raw input events and sends cooked event data to an input dispatcher. */
+class InputReaderInterface : public virtual RefBase {
+protected:
+    InputReaderInterface() { }
+    virtual ~InputReaderInterface() { }
+
+public:
+    /* Runs a single iteration of the processing loop.
+     * Nominally reads and processes one incoming message from the EventHub.
+     *
+     * This method should be called on the input reader thread.
+     */
+    virtual void loopOnce() = 0;
+
+    /* Gets the current virtual key.  Returns false if not down.
+     *
+     * This method may be called on any thread (usually by the input manager).
+     */
+    virtual bool getCurrentVirtualKey(int32_t* outKeyCode, int32_t* outScanCode) const = 0;
+
+    /* Gets the current input device configuration.
+     *
+     * This method may be called on any thread (usually by the input manager).
+     */
+    virtual void getCurrentInputConfiguration(InputConfiguration* outConfiguration) const = 0;
+
+    /*
+     * Query current input state.
+     *   deviceId may be -1 to search for the device automatically, filtered by class.
+     *   deviceClasses may be -1 to ignore device class while searching.
+     */
+    virtual int32_t getCurrentScanCodeState(int32_t deviceId, int32_t deviceClasses,
+            int32_t scanCode) const = 0;
+    virtual int32_t getCurrentKeyCodeState(int32_t deviceId, int32_t deviceClasses,
+            int32_t keyCode) const = 0;
+    virtual int32_t getCurrentSwitchState(int32_t deviceId, int32_t deviceClasses,
+            int32_t sw) const = 0;
+
+    /* Determine whether physical keys exist for the given framework-domain key codes. */
+    virtual bool hasKeys(size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) const = 0;
+};
+
+
+/* The input reader reads raw event data from the event hub and processes it into input events
+ * that it sends to the input dispatcher.  Some functions of the input reader, such as early
+ * event filtering in low power states, are controlled by a separate policy object.
+ *
+ * IMPORTANT INVARIANT:
+ *     Because the policy can potentially block or cause re-entrance into the input reader,
+ *     the input reader never calls into the policy while holding its internal locks.
+ */
+class InputReader : public InputReaderInterface {
+public:
+    InputReader(const sp<EventHubInterface>& eventHub,
+            const sp<InputReaderPolicyInterface>& policy,
+            const sp<InputDispatcherInterface>& dispatcher);
+    virtual ~InputReader();
+
+    virtual void loopOnce();
+
+    virtual bool getCurrentVirtualKey(int32_t* outKeyCode, int32_t* outScanCode) const;
+
+    virtual void getCurrentInputConfiguration(InputConfiguration* outConfiguration) const;
+
+    virtual int32_t getCurrentScanCodeState(int32_t deviceId, int32_t deviceClasses,
+            int32_t scanCode) const;
+    virtual int32_t getCurrentKeyCodeState(int32_t deviceId, int32_t deviceClasses,
+            int32_t keyCode) const;
+    virtual int32_t getCurrentSwitchState(int32_t deviceId, int32_t deviceClasses,
+            int32_t sw) const;
+
+    virtual bool hasKeys(size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) const;
+
+private:
+    // Lock that must be acquired while manipulating state that may be concurrently accessed
+    // from other threads by input state query methods.  It should be held for as short a
+    // time as possible.
+    //
+    // Exported state:
+    //   - global virtual key code and scan code
+    //   - device list and immutable properties of devices such as id, name, and class
+    //     (but not other internal device state)
+    mutable Mutex mExportedStateLock;
+
+    // current virtual key information (lock mExportedStateLock)
+    int32_t mExportedVirtualKeyCode;
+    int32_t mExportedVirtualScanCode;
+
+    // current input configuration (lock mExportedStateLock)
+    InputConfiguration mExportedInputConfiguration;
+
+    // combined key meta state
+    int32_t mGlobalMetaState;
+
+    sp<EventHubInterface> mEventHub;
+    sp<InputReaderPolicyInterface> mPolicy;
+    sp<InputDispatcherInterface> mDispatcher;
+
+    KeyedVector<int32_t, InputDevice*> mDevices;
+
+    // display properties needed to translate touch screen coordinates into display coordinates
+    int32_t mDisplayOrientation;
+    int32_t mDisplayWidth;
+    int32_t mDisplayHeight;
+
+    // low-level input event decoding
+    void process(const RawEvent* rawEvent);
+    void handleDeviceAdded(const RawEvent* rawEvent);
+    void handleDeviceRemoved(const RawEvent* rawEvent);
+    void handleSync(const RawEvent* rawEvent);
+    void handleKey(const RawEvent* rawEvent);
+    void handleRelativeMotion(const RawEvent* rawEvent);
+    void handleAbsoluteMotion(const RawEvent* rawEvent);
+    void handleSwitch(const RawEvent* rawEvent);
+
+    // input policy processing and dispatch
+    void onKey(nsecs_t when, InputDevice* device, bool down,
+            int32_t keyCode, int32_t scanCode, uint32_t policyFlags);
+    void onSwitch(nsecs_t when, InputDevice* device, int32_t switchCode, int32_t switchValue);
+    void onSingleTouchScreenStateChanged(nsecs_t when, InputDevice* device);
+    void onMultiTouchScreenStateChanged(nsecs_t when, InputDevice* device);
+    void onTouchScreenChanged(nsecs_t when, InputDevice* device, bool havePointerIds);
+    void onTrackballStateChanged(nsecs_t when, InputDevice* device);
+    void onConfigurationChanged(nsecs_t when);
+
+    bool applyStandardInputDispatchPolicyActions(nsecs_t when,
+            int32_t policyActions, uint32_t* policyFlags);
+
+    bool consumeVirtualKeyTouches(nsecs_t when, InputDevice* device, uint32_t policyFlags);
+    void dispatchVirtualKey(nsecs_t when, InputDevice* device, uint32_t policyFlags,
+            int32_t keyEventAction, int32_t keyEventFlags);
+    void dispatchTouches(nsecs_t when, InputDevice* device, uint32_t policyFlags);
+    void dispatchTouch(nsecs_t when, InputDevice* device, uint32_t policyFlags,
+            InputDevice::TouchData* touch, BitSet32 idBits, uint32_t changedId,
+            int32_t motionEventAction);
+
+    // display
+    void resetDisplayProperties();
+    bool refreshDisplayProperties();
+
+    // device management
+    InputDevice* getDevice(int32_t deviceId);
+    InputDevice* getNonIgnoredDevice(int32_t deviceId);
+    void addDevice(nsecs_t when, int32_t deviceId);
+    void removeDevice(nsecs_t when, InputDevice* device);
+    void configureDevice(InputDevice* device);
+    void configureDeviceForCurrentDisplaySize(InputDevice* device);
+    void configureVirtualKeys(InputDevice* device);
+    void configureAbsoluteAxisInfo(InputDevice* device, int axis, const char* name,
+            InputDevice::AbsoluteAxisInfo* out);
+    void configureExcludedDevices();
+
+    // global meta state management for all devices
+    void resetGlobalMetaState();
+    int32_t globalMetaState();
+
+    // virtual key management
+    void updateExportedVirtualKeyState();
+
+    // input configuration management
+    void updateExportedInputConfiguration();
+};
+
+
+/* Reads raw events from the event hub and processes them, endlessly. */
+class InputReaderThread : public Thread {
+public:
+    InputReaderThread(const sp<InputReaderInterface>& reader);
+    virtual ~InputReaderThread();
+
+private:
+    sp<InputReaderInterface> mReader;
+
+    virtual bool threadLoop();
+};
+
+} // namespace android
+
+#endif // _UI_INPUT_READER_H
diff --git a/include/ui/InputTransport.h b/include/ui/InputTransport.h
new file mode 100644
index 0000000..31ec701
--- /dev/null
+++ b/include/ui/InputTransport.h
@@ -0,0 +1,334 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _UI_INPUT_TRANSPORT_H
+#define _UI_INPUT_TRANSPORT_H
+
+/**
+ * Native input transport.
+ *
+ * Uses anonymous shared memory as a whiteboard for sending input events from an
+ * InputPublisher to an InputConsumer and ensuring appropriate synchronization.
+ * One interesting feature is that published events can be updated in place as long as they
+ * have not yet been consumed.
+ *
+ * The InputPublisher and InputConsumer only take care of transferring event data
+ * over an InputChannel and sending synchronization signals.  The InputDispatcher and InputQueue
+ * build on these abstractions to add multiplexing and queueing.
+ */
+
+#include <semaphore.h>
+#include <ui/Input.h>
+#include <utils/Errors.h>
+#include <utils/PollLoop.h>
+#include <utils/Timers.h>
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+
+namespace android {
+
+/*
+ * An input channel consists of a shared memory buffer and a pair of pipes
+ * used to send input messages from an InputPublisher to an InputConsumer
+ * across processes.  Each channel has a descriptive name for debugging purposes.
+ *
+ * Each endpoint has its own InputChannel object that specifies its own file descriptors.
+ *
+ * The input channel is closed when all references to it are released.
+ */
+class InputChannel : public RefBase {
+protected:
+    virtual ~InputChannel();
+
+public:
+    InputChannel(const String8& name, int32_t ashmemFd, int32_t receivePipeFd,
+            int32_t sendPipeFd);
+
+    /* Creates a pair of input channels and their underlying shared memory buffers
+     * and pipes.
+     *
+     * Returns OK on success.
+     */
+    static status_t openInputChannelPair(const String8& name,
+            sp<InputChannel>& outServerChannel, sp<InputChannel>& outClientChannel);
+
+    inline String8 getName() const { return mName; }
+    inline int32_t getAshmemFd() const { return mAshmemFd; }
+    inline int32_t getReceivePipeFd() const { return mReceivePipeFd; }
+    inline int32_t getSendPipeFd() const { return mSendPipeFd; }
+
+    /* Sends a signal to the other endpoint.
+     *
+     * Returns OK on success.
+     * Returns DEAD_OBJECT if the channel's peer has been closed.
+     * Other errors probably indicate that the channel is broken.
+     */
+    status_t sendSignal(char signal);
+
+    /* Receives a signal send by the other endpoint.
+     * (Should only call this after poll() indicates that the receivePipeFd has available input.)
+     *
+     * Returns OK on success.
+     * Returns WOULD_BLOCK if there is no signal present.
+     * Returns DEAD_OBJECT if the channel's peer has been closed.
+     * Other errors probably indicate that the channel is broken.
+     */
+    status_t receiveSignal(char* outSignal);
+
+private:
+    String8 mName;
+    int32_t mAshmemFd;
+    int32_t mReceivePipeFd;
+    int32_t mSendPipeFd;
+};
+
+/*
+ * Private intermediate representation of input events as messages written into an
+ * ashmem buffer.
+ */
+struct InputMessage {
+    /* Semaphore count is set to 1 when the message is published.
+     * It becomes 0 transiently while the publisher updates the message.
+     * It becomes 0 permanently when the consumer consumes the message.
+     */
+    sem_t semaphore;
+
+    /* Initialized to false by the publisher.
+     * Set to true by the consumer when it consumes the message.
+     */
+    bool consumed;
+
+    int32_t type;
+
+    struct SampleData {
+        nsecs_t eventTime;
+        PointerCoords coords[0]; // variable length
+    };
+
+    int32_t deviceId;
+    int32_t source;
+
+    union {
+        struct {
+            int32_t action;
+            int32_t flags;
+            int32_t keyCode;
+            int32_t scanCode;
+            int32_t metaState;
+            int32_t repeatCount;
+            nsecs_t downTime;
+            nsecs_t eventTime;
+        } key;
+
+        struct {
+            int32_t action;
+            int32_t metaState;
+            int32_t edgeFlags;
+            nsecs_t downTime;
+            float xOffset;
+            float yOffset;
+            float xPrecision;
+            float yPrecision;
+            size_t pointerCount;
+            int32_t pointerIds[MAX_POINTERS];
+            size_t sampleCount;
+            SampleData sampleData[0]; // variable length
+        } motion;
+    };
+
+    /* Gets the number of bytes to add to step to the next SampleData object in a motion
+     * event message for a given number of pointers.
+     */
+    static inline size_t sampleDataStride(size_t pointerCount) {
+        return sizeof(InputMessage::SampleData) + pointerCount * sizeof(PointerCoords);
+    }
+
+    /* Adds the SampleData stride to the given pointer. */
+    static inline SampleData* sampleDataPtrIncrement(SampleData* ptr, size_t stride) {
+        return reinterpret_cast<InputMessage::SampleData*>(reinterpret_cast<char*>(ptr) + stride);
+    }
+};
+
+/*
+ * Publishes input events to an anonymous shared memory buffer.
+ * Uses atomic operations to coordinate shared access with a single concurrent consumer.
+ */
+class InputPublisher {
+public:
+    /* Creates a publisher associated with an input channel. */
+    explicit InputPublisher(const sp<InputChannel>& channel);
+
+    /* Destroys the publisher and releases its input channel. */
+    ~InputPublisher();
+
+    /* Gets the underlying input channel. */
+    inline sp<InputChannel> getChannel() { return mChannel; }
+
+    /* Prepares the publisher for use.  Must be called before it is used.
+     * Returns OK on success.
+     *
+     * This method implicitly calls reset(). */
+    status_t initialize();
+
+    /* Resets the publisher to its initial state and unpins its ashmem buffer.
+     * Returns OK on success.
+     *
+     * Should be called after an event has been consumed to release resources used by the
+     * publisher until the next event is ready to be published.
+     */
+    status_t reset();
+
+    /* Publishes a key event to the ashmem buffer.
+     *
+     * Returns OK on success.
+     * Returns INVALID_OPERATION if the publisher has not been reset.
+     */
+    status_t publishKeyEvent(
+            int32_t deviceId,
+            int32_t source,
+            int32_t action,
+            int32_t flags,
+            int32_t keyCode,
+            int32_t scanCode,
+            int32_t metaState,
+            int32_t repeatCount,
+            nsecs_t downTime,
+            nsecs_t eventTime);
+
+    /* Publishes a motion event to the ashmem buffer.
+     *
+     * Returns OK on success.
+     * Returns INVALID_OPERATION if the publisher has not been reset.
+     * Returns BAD_VALUE if pointerCount is less than 1 or greater than MAX_POINTERS.
+     */
+    status_t publishMotionEvent(
+            int32_t deviceId,
+            int32_t source,
+            int32_t action,
+            int32_t edgeFlags,
+            int32_t metaState,
+            float xOffset,
+            float yOffset,
+            float xPrecision,
+            float yPrecision,
+            nsecs_t downTime,
+            nsecs_t eventTime,
+            size_t pointerCount,
+            const int32_t* pointerIds,
+            const PointerCoords* pointerCoords);
+
+    /* Appends a motion sample to a motion event unless already consumed.
+     *
+     * Returns OK on success.
+     * Returns INVALID_OPERATION if the current event is not a AMOTION_EVENT_ACTION_MOVE event.
+     * Returns FAILED_TRANSACTION if the current event has already been consumed.
+     * Returns NO_MEMORY if the buffer is full and no additional samples can be added.
+     */
+    status_t appendMotionSample(
+            nsecs_t eventTime,
+            const PointerCoords* pointerCoords);
+
+    /* Sends a dispatch signal to the consumer to inform it that a new message is available.
+     *
+     * Returns OK on success.
+     * Errors probably indicate that the channel is broken.
+     */
+    status_t sendDispatchSignal();
+
+    /* Receives the finished signal from the consumer in reply to the original dispatch signal.
+     *
+     * Returns OK on success.
+     * Returns WOULD_BLOCK if there is no signal present.
+     * Other errors probably indicate that the channel is broken.
+     */
+    status_t receiveFinishedSignal();
+
+private:
+    sp<InputChannel> mChannel;
+
+    size_t mAshmemSize;
+    InputMessage* mSharedMessage;
+    bool mPinned;
+    bool mSemaphoreInitialized;
+    bool mWasDispatched;
+
+    size_t mMotionEventPointerCount;
+    InputMessage::SampleData* mMotionEventSampleDataTail;
+    size_t mMotionEventSampleDataStride;
+
+    status_t publishInputEvent(
+            int32_t type,
+            int32_t deviceId,
+            int32_t source);
+};
+
+/*
+ * Consumes input events from an anonymous shared memory buffer.
+ * Uses atomic operations to coordinate shared access with a single concurrent publisher.
+ */
+class InputConsumer {
+public:
+    /* Creates a consumer associated with an input channel. */
+    explicit InputConsumer(const sp<InputChannel>& channel);
+
+    /* Destroys the consumer and releases its input channel. */
+    ~InputConsumer();
+
+    /* Gets the underlying input channel. */
+    inline sp<InputChannel> getChannel() { return mChannel; }
+
+    /* Prepares the consumer for use.  Must be called before it is used. */
+    status_t initialize();
+
+    /* Consumes the input event in the buffer and copies its contents into
+     * an InputEvent object created using the specified factory.
+     * This operation will block if the publisher is updating the event.
+     *
+     * Returns OK on success.
+     * Returns INVALID_OPERATION if there is no currently published event.
+     * Returns NO_MEMORY if the event could not be created.
+     */
+    status_t consume(InputEventFactoryInterface* factory, InputEvent** outEvent);
+
+    /* Sends a finished signal to the publisher to inform it that the current message is
+     * finished processing.
+     *
+     * Returns OK on success.
+     * Errors probably indicate that the channel is broken.
+     */
+    status_t sendFinishedSignal();
+
+    /* Receives the dispatched signal from the publisher.
+     *
+     * Returns OK on success.
+     * Returns WOULD_BLOCK if there is no signal present.
+     * Other errors probably indicate that the channel is broken.
+     */
+    status_t receiveDispatchSignal();
+
+private:
+    sp<InputChannel> mChannel;
+
+    size_t mAshmemSize;
+    InputMessage* mSharedMessage;
+
+    void populateKeyEvent(KeyEvent* keyEvent) const;
+    void populateMotionEvent(MotionEvent* motionEvent) const;
+};
+
+} // namespace android
+
+#endif // _UI_INPUT_TRANSPORT_H
diff --git a/include/ui/KeycodeLabels.h b/include/ui/KeycodeLabels.h
old mode 100644
new mode 100755
index 571e47b..c8d6ffc
--- a/include/ui/KeycodeLabels.h
+++ b/include/ui/KeycodeLabels.h
@@ -17,6 +17,8 @@
 #ifndef _UI_KEYCODE_LABELS_H
 #define _UI_KEYCODE_LABELS_H
 
+#include <android/keycodes.h>
+
 struct KeycodeLabel {
     const char *literal;
     int value;
@@ -114,113 +116,32 @@
     { "MEDIA_REWIND", 89 },
     { "MEDIA_FAST_FORWARD", 90 },
     { "MUTE", 91 },
+    { "PAGE_UP", 92 },
+    { "PAGE_DOWN", 93 },
+    { "PICTSYMBOLS", 94 },
+    { "SWITCH_CHARSET", 95 },
+    { "BUTTON_A", 96 },
+    { "BUTTON_B", 97 },
+    { "BUTTON_C", 98 },
+    { "BUTTON_X", 99 },
+    { "BUTTON_Y", 100 },
+    { "BUTTON_Z", 101 },
+    { "BUTTON_L1", 102 },
+    { "BUTTON_R1", 103 },
+    { "BUTTON_L2", 104 },
+    { "BUTTON_R2", 105 },
+    { "BUTTON_THUMBL", 106 },
+    { "BUTTON_THUMBR", 107 },
+    { "BUTTON_START", 108 },
+    { "BUTTON_SELECT", 109 },
+    { "BUTTON_MODE", 110 },
 
-    // NOTE: If you add a new keycode here you must also add it to:
-    //   (enum KeyCode, in this file)
-    //   frameworks/base/core/java/android/view/KeyEvent.java
-    //   tools/puppet_master/PuppetMaster.nav_keys.py
-    //   frameworks/base/core/res/res/values/attrs.xml
+    // NOTE: If you add a new keycode here you must also add it to several other files.
+    //       Refer to frameworks/base/core/java/android/view/KeyEvent.java for the full list.
 
     { NULL, 0 }
 };
 
-// These constants need to match the above mappings.
-typedef enum KeyCode {
-    kKeyCodeUnknown = 0,
-
-    kKeyCodeSoftLeft = 1,
-    kKeyCodeSoftRight = 2,
-    kKeyCodeHome = 3,
-    kKeyCodeBack = 4,
-    kKeyCodeCall = 5,
-    kKeyCodeEndCall = 6,
-    kKeyCode0 = 7,
-    kKeyCode1 = 8,
-    kKeyCode2 = 9,
-    kKeyCode3 = 10,
-    kKeyCode4 = 11,
-    kKeyCode5 = 12,
-    kKeyCode6 = 13,
-    kKeyCode7 = 14,
-    kKeyCode8 = 15,
-    kKeyCode9 = 16,
-    kKeyCodeStar = 17,
-    kKeyCodePound = 18,
-    kKeyCodeDpadUp = 19,
-    kKeyCodeDpadDown = 20,
-    kKeyCodeDpadLeft = 21,
-    kKeyCodeDpadRight = 22,
-    kKeyCodeDpadCenter = 23,
-    kKeyCodeVolumeUp = 24,
-    kKeyCodeVolumeDown = 25,
-    kKeyCodePower = 26,
-    kKeyCodeCamera = 27,
-    kKeyCodeClear = 28,
-    kKeyCodeA = 29,
-    kKeyCodeB = 30,
-    kKeyCodeC = 31,
-    kKeyCodeD = 32,
-    kKeyCodeE = 33,
-    kKeyCodeF = 34,
-    kKeyCodeG = 35,
-    kKeyCodeH = 36,
-    kKeyCodeI = 37,
-    kKeyCodeJ = 38,
-    kKeyCodeK = 39,
-    kKeyCodeL = 40,
-    kKeyCodeM = 41,
-    kKeyCodeN = 42,
-    kKeyCodeO = 43,
-    kKeyCodeP = 44,
-    kKeyCodeQ = 45,
-    kKeyCodeR = 46,
-    kKeyCodeS = 47,
-    kKeyCodeT = 48,
-    kKeyCodeU = 49,
-    kKeyCodeV = 50,
-    kKeyCodeW = 51,
-    kKeyCodeX = 52,
-    kKeyCodeY = 53,
-    kKeyCodeZ = 54,
-    kKeyCodeComma = 55,
-    kKeyCodePeriod = 56,
-    kKeyCodeAltLeft = 57,
-    kKeyCodeAltRight = 58,
-    kKeyCodeShiftLeft = 59,
-    kKeyCodeShiftRight = 60,
-    kKeyCodeTab = 61,
-    kKeyCodeSpace = 62,
-    kKeyCodeSym = 63,
-    kKeyCodeExplorer = 64,
-    kKeyCodeEnvelope = 65,
-    kKeyCodeNewline = 66,
-    kKeyCodeDel = 67,
-    kKeyCodeGrave = 68,
-    kKeyCodeMinus = 69,
-    kKeyCodeEquals = 70,
-    kKeyCodeLeftBracket = 71,
-    kKeyCodeRightBracket = 72,
-    kKeyCodeBackslash = 73,
-    kKeyCodeSemicolon = 74,
-    kKeyCodeApostrophe = 75,
-    kKeyCodeSlash = 76,
-    kKeyCodeAt = 77,
-    kKeyCodeNum = 78,
-    kKeyCodeHeadSetHook = 79,
-    kKeyCodeFocus = 80,
-    kKeyCodePlus = 81,
-    kKeyCodeMenu = 82,
-    kKeyCodeNotification = 83,
-    kKeyCodeSearch = 84,
-    kKeyCodePlayPause = 85,
-    kKeyCodeStop = 86,
-    kKeyCodeNextSong = 87,
-    kKeyCodePreviousSong = 88,
-    kKeyCodeRewind = 89,
-    kKeyCodeForward = 90,
-    kKeyCodeMute = 91
-} KeyCode;
-
 static const KeycodeLabel FLAGS[] = {
     { "WAKE", 0x00000001 },
     { "WAKE_DROPPED", 0x00000002 },
diff --git a/include/ui/Rect.h b/include/ui/Rect.h
index a213c09..4e65a2d 100644
--- a/include/ui/Rect.h
+++ b/include/ui/Rect.h
@@ -20,31 +20,28 @@
 #include <utils/TypeHelpers.h>
 #include <ui/Point.h>
 
+#include <android/rect.h>
+
 namespace android {
 
-class Rect
+class Rect : public ARect
 {
 public:
-    int left;
-    int top;
-    int right;
-    int bottom;
-
-    typedef int value_type;
+    typedef int32_t value_type;
 
     // we don't provide copy-ctor and operator= on purpose
     // because we want the compiler generated versions
 
     inline Rect() {
     }
-    inline Rect(int w, int h)
-        : left(0), top(0), right(w), bottom(h) {
+    inline Rect(int32_t w, int32_t h) {
+        left = top = 0; right = w; bottom = h;
     }
-    inline Rect(int l, int t, int r, int b)
-        : left(l), top(t), right(r), bottom(b) {
+    inline Rect(int32_t l, int32_t t, int32_t r, int32_t b) {
+        left = l; top = t; right = r; bottom = b;
     }
-    inline Rect(const Point& lt, const Point& rb) 
-        : left(lt.x), top(lt.y), right(rb.x), bottom(rb.y) {
+    inline Rect(const Point& lt, const Point& rb) {
+        left = lt.x; top = lt.y; right = rb.x; bottom = rb.y;
     }
 
     void makeInvalid();
@@ -68,12 +65,12 @@
     }
 
     // rectangle's width
-    inline int width() const {
+    inline int32_t width() const {
         return right-left;
     }
     
     // rectangle's height
-    inline int height() const {
+    inline int32_t height() const {
         return bottom-top;
     }
 
@@ -136,12 +133,12 @@
     const Rect operator + (const Point& rhs) const;
     const Rect operator - (const Point& rhs) const;
 
-    void translate(int dx, int dy) { // legacy, don't use.
+    void translate(int32_t dx, int32_t dy) { // legacy, don't use.
         offsetBy(dx, dy);
     }
  
-    Rect&   offsetTo(int x, int y);
-    Rect&   offsetBy(int x, int y);
+    Rect&   offsetTo(int32_t x, int32_t y);
+    Rect&   offsetBy(int32_t x, int32_t y);
     bool    intersect(const Rect& with, Rect* result) const;
 };
 
diff --git a/include/ui/android_native_buffer.h b/include/ui/android_native_buffer.h
index 9c92af8..402843e 100644
--- a/include/ui/android_native_buffer.h
+++ b/include/ui/android_native_buffer.h
@@ -33,6 +33,15 @@
         common.version = sizeof(android_native_buffer_t);
         memset(common.reserved, 0, sizeof(common.reserved));
     }
+
+    // Implement the methods that sp<android_native_buffer_t> expects so that it
+    // can be used to automatically refcount android_native_buffer_t's.
+    void incStrong(const void* id) const {
+        common.incRef(const_cast<android_native_base_t*>(&common));
+    }
+    void decStrong(const void* id) const {
+        common.decRef(const_cast<android_native_base_t*>(&common));
+    }
 #endif
 
     struct android_native_base_t common;
diff --git a/include/ui/egl/android_natives.h b/include/ui/egl/android_natives.h
index 773fd93..ca89b06 100644
--- a/include/ui/egl/android_natives.h
+++ b/include/ui/egl/android_natives.h
@@ -22,6 +22,8 @@
 
 #include <hardware/gralloc.h>
 
+#include <android/native_window.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -41,6 +43,14 @@
 
 struct android_native_buffer_t;
 
+typedef struct android_native_rect_t
+{
+    int32_t left;
+    int32_t top;
+    int32_t right;
+    int32_t bottom;
+} android_native_rect_t;
+
 // ---------------------------------------------------------------------------
 
 typedef struct android_native_base_t
@@ -63,15 +73,18 @@
 /* attributes queriable with query() */
 enum {
     NATIVE_WINDOW_WIDTH     = 0,
-    NATIVE_WINDOW_HEIGHT    = 1,
-    NATIVE_WINDOW_FORMAT    = 2,
+    NATIVE_WINDOW_HEIGHT,
+    NATIVE_WINDOW_FORMAT,
 };
 
 /* valid operations for the (*perform)() hook */
 enum {
     NATIVE_WINDOW_SET_USAGE  = 0,
-    NATIVE_WINDOW_CONNECT    = 1,
-    NATIVE_WINDOW_DISCONNECT = 2
+    NATIVE_WINDOW_CONNECT,
+    NATIVE_WINDOW_DISCONNECT,
+    NATIVE_WINDOW_SET_CROP,
+    NATIVE_WINDOW_SET_BUFFER_COUNT,
+    NATIVE_WINDOW_SET_BUFFERS_GEOMETRY,
 };
 
 /* parameter for NATIVE_WINDOW_[DIS]CONNECT */
@@ -79,16 +92,25 @@
     NATIVE_WINDOW_API_EGL = 1
 };
 
-typedef struct android_native_window_t 
+struct ANativeWindow 
 {
 #ifdef __cplusplus
-    android_native_window_t()
+    ANativeWindow()
         : flags(0), minSwapInterval(0), maxSwapInterval(0), xdpi(0), ydpi(0)
     {
         common.magic = ANDROID_NATIVE_WINDOW_MAGIC;
-        common.version = sizeof(android_native_window_t);
+        common.version = sizeof(ANativeWindow);
         memset(common.reserved, 0, sizeof(common.reserved));
     }
+
+    // Implement the methods that sp<ANativeWindow> expects so that it
+    // can be used to automatically refcount ANativeWindow's.
+    void incStrong(const void* id) const {
+        common.incRef(const_cast<android_native_base_t*>(&common));
+    }
+    void decStrong(const void* id) const {
+        common.decRef(const_cast<android_native_base_t*>(&common));
+    }
 #endif
     
     struct android_native_base_t common;
@@ -115,7 +137,7 @@
      * 
      * Returns 0 on success or -errno on error.
      */
-    int     (*setSwapInterval)(struct android_native_window_t* window,
+    int     (*setSwapInterval)(struct ANativeWindow* window,
                 int interval);
     
     /*
@@ -125,7 +147,7 @@
      * 
      * Returns 0 on success or -errno on error.
      */
-    int     (*dequeueBuffer)(struct android_native_window_t* window, 
+    int     (*dequeueBuffer)(struct ANativeWindow* window,
                 struct android_native_buffer_t** buffer);
 
     /*
@@ -135,7 +157,7 @@
      * 
      * Returns 0 on success or -errno on error.
      */
-    int     (*lockBuffer)(struct android_native_window_t* window,
+    int     (*lockBuffer)(struct ANativeWindow* window,
                 struct android_native_buffer_t* buffer);
    /*
     * hook called by EGL when modifications to the render buffer are done. 
@@ -145,7 +167,7 @@
     * 
     * Returns 0 on success or -errno on error.
     */
-    int     (*queueBuffer)(struct android_native_window_t* window,
+    int     (*queueBuffer)(struct ANativeWindow* window,
                 struct android_native_buffer_t* buffer);
 
     /*
@@ -153,13 +175,13 @@
      * 
      * Returns 0 on success or -errno on error.
      */
-    int     (*query)(struct android_native_window_t* window,
+    int     (*query)(struct ANativeWindow* window,
                 int what, int* value);
     
     /*
      * hook used to perform various operations on the surface.
      * (*perform)() is a generic mechanism to add functionality to
-     * android_native_window_t while keeping backward binary compatibility.
+     * ANativeWindow while keeping backward binary compatibility.
      * 
      * This hook should not be called directly, instead use the helper functions
      * defined below.
@@ -171,19 +193,25 @@
      *     NATIVE_WINDOW_SET_USAGE
      *     NATIVE_WINDOW_CONNECT
      *     NATIVE_WINDOW_DISCONNECT
+     *     NATIVE_WINDOW_SET_CROP
+     *     NATIVE_WINDOW_SET_BUFFER_COUNT
+     *     NATIVE_WINDOW_SET_BUFFERS_GEOMETRY
      *  
      */
     
-    int     (*perform)(struct android_native_window_t* window,
+    int     (*perform)(struct ANativeWindow* window,
                 int operation, ... );
     
     void* reserved_proc[3];
-} android_native_window_t;
+};
 
+// Backwards compatibility...  please switch to ANativeWindow.
+typedef struct ANativeWindow android_native_window_t;
 
 /*
- *  native_window_set_usage() sets the intended usage flags for the next
- *  buffers acquired with (*lockBuffer)() and on.
+ *  native_window_set_usage(..., usage)
+ *  Sets the intended usage flags for the next buffers
+ *  acquired with (*lockBuffer)() and on.
  *  By default (if this function is never called), a usage of
  *      GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE
  *  is assumed.
@@ -192,35 +220,83 @@
  */
 
 static inline int native_window_set_usage(
-        android_native_window_t* window, int usage)
+        ANativeWindow* window, int usage)
 {
     return window->perform(window, NATIVE_WINDOW_SET_USAGE, usage);
 }
 
 /*
- * native_window_connect(..., NATIVE_WINDOW_API_EGL) must be called
- * by EGL when the window is made current.
+ * native_window_connect(..., NATIVE_WINDOW_API_EGL)
+ * Must be called by EGL when the window is made current.
  * Returns -EINVAL if for some reason the window cannot be connected, which
  * can happen if it's connected to some other API.
  */
 static inline int native_window_connect(
-        android_native_window_t* window, int api)
+        ANativeWindow* window, int api)
 {
     return window->perform(window, NATIVE_WINDOW_CONNECT, api);
 }
 
 /*
- * native_window_disconnect(..., NATIVE_WINDOW_API_EGL) must be called
- * by EGL when the window is made not current.
+ * native_window_disconnect(..., NATIVE_WINDOW_API_EGL)
+ * Must be called by EGL when the window is made not current.
  * An error is returned if for instance the window wasn't connected in the
  * first place.
  */
 static inline int native_window_disconnect(
-        android_native_window_t* window, int api)
+        ANativeWindow* window, int api)
 {
     return window->perform(window, NATIVE_WINDOW_DISCONNECT, api);
 }
 
+/*
+ * native_window_set_crop(..., crop)
+ * Sets which region of the next queued buffers needs to be considered.
+ * A buffer's crop region is scaled to match the surface's size.
+ *
+ * The specified crop region applies to all buffers queued after it is called.
+ *
+ * if 'crop' is NULL, subsequently queued buffers won't be cropped.
+ *
+ * An error is returned if for instance the crop region is invalid,
+ * out of the buffer's bound or if the window is invalid.
+ */
+static inline int native_window_set_crop(
+        ANativeWindow* window,
+        android_native_rect_t const * crop)
+{
+    return window->perform(window, NATIVE_WINDOW_SET_CROP, crop);
+}
+
+/*
+ * native_window_set_buffer_count(..., count)
+ * Sets the number of buffers associated with this native window.
+ */
+static inline int native_window_set_buffer_count(
+        ANativeWindow* window,
+        size_t bufferCount)
+{
+    return window->perform(window, NATIVE_WINDOW_SET_BUFFER_COUNT, bufferCount);
+}
+
+/*
+ * native_window_set_buffers_geometry(..., int w, int h, int format)
+ * All buffers dequeued after this call will have the geometry specified.
+ * In particular, all buffers will have a fixed-size, independent form the
+ * native-window size. They will be appropriately scaled to the window-size
+ * upon composition.
+ *
+ * If all parameters are 0, the normal behavior is restored. That is,
+ * dequeued buffers following this call will be sized to the window's size.
+ *
+ */
+static inline int native_window_set_buffers_geometry(
+        ANativeWindow* window,
+        int w, int h, int format)
+{
+    return window->perform(window, NATIVE_WINDOW_SET_BUFFERS_GEOMETRY,
+            w, h, format);
+}
 
 // ---------------------------------------------------------------------------
 
@@ -263,6 +339,15 @@
 template <typename NATIVE_TYPE, typename TYPE, typename REF>
 class EGLNativeBase : public NATIVE_TYPE, public REF
 {
+public:
+    // Disambiguate between the incStrong in REF and NATIVE_TYPE
+    void incStrong(const void* id) const {
+        REF::incStrong(id);
+    }
+    void decStrong(const void* id) const {
+        REF::decStrong(id);
+    }
+
 protected:
     typedef EGLNativeBase<NATIVE_TYPE, TYPE, REF> BASE;
     EGLNativeBase() : NATIVE_TYPE(), REF() {
diff --git a/include/utils/AssetManager.h b/include/utils/AssetManager.h
index d8994e0..97694ff 100644
--- a/include/utils/AssetManager.h
+++ b/include/utils/AssetManager.h
@@ -29,6 +29,24 @@
 #include <utils/ZipFileRO.h>
 #include <utils/threads.h>
 
+/*
+ * Native-app access is via the opaque typedef struct AAssetManager in the C namespace.
+ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct AAssetManager { };
+
+#ifdef __cplusplus
+};
+#endif
+
+
+/*
+ * Now the proper C++ android-namespace definitions
+ */
+
 namespace android {
 
 class Asset;        // fwd decl for things that include Asset.h first
@@ -48,7 +66,7 @@
  * The asset hierarchy may be examined like a filesystem, using
  * AssetDir objects to peruse a single directory.
  */
-class AssetManager {
+class AssetManager : public AAssetManager {
 public:
     typedef enum CacheMode {
         CACHE_UNKNOWN = 0,
diff --git a/include/utils/BitSet.h b/include/utils/BitSet.h
new file mode 100644
index 0000000..19c8bf0
--- /dev/null
+++ b/include/utils/BitSet.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef UTILS_BITSET_H
+#define UTILS_BITSET_H
+
+#include <stdint.h>
+
+/*
+ * Contains some bit manipulation helpers.
+ */
+
+namespace android {
+
+// A simple set of 32 bits that can be individually marked or cleared.
+struct BitSet32 {
+    uint32_t value;
+
+    inline BitSet32() : value(0) { }
+    explicit inline BitSet32(uint32_t value) : value(value) { }
+
+    // Gets the value associated with a particular bit index.
+    static inline uint32_t valueForBit(uint32_t n) { return 0x80000000 >> n; }
+
+    // Clears the bit set.
+    inline void clear() { value = 0; }
+
+    // Returns true if the bit set does not contain any marked bits.
+    inline bool isEmpty() const { return ! value; }
+
+    // Returns true if the specified bit is marked.
+    inline bool hasBit(uint32_t n) const { return value & valueForBit(n); }
+
+    // Marks the specified bit.
+    inline void markBit(uint32_t n) { value |= valueForBit(n); }
+
+    // Clears the specified bit.
+    inline void clearBit(uint32_t n) { value &= ~ valueForBit(n); }
+
+    // Finds the first marked bit in the set.
+    // Result is undefined if all bits are unmarked.
+    inline uint32_t firstMarkedBit() const { return __builtin_clz(value); }
+
+    // Finds the first unmarked bit in the set.
+    // Result is undefined if all bits are marked.
+    inline uint32_t firstUnmarkedBit() const { return __builtin_clz(~ value); }
+
+    inline bool operator== (const BitSet32& other) const { return value == other.value; }
+    inline bool operator!= (const BitSet32& other) const { return value != other.value; }
+};
+
+} // namespace android
+
+#endif // UTILS_BITSET_H
diff --git a/include/utils/Buffer.h b/include/utils/Buffer.h
deleted file mode 100644
index 8e22b0f..0000000
--- a/include/utils/Buffer.h
+++ /dev/null
@@ -1,107 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef __UTILS_BUFFER_H__
-#define __UTILS_BUFFER_H__ 1
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-namespace android {
-
-class Buffer
-{
-private:
-    char *buf;
-    int bufsiz;
-    int used;
-    void ensureCapacity(int len);
-
-    void
-    makeRoomFor(int len)
-    {
-        if (len + used >= bufsiz) {
-            bufsiz = (len + used) * 3/2 + 2;
-            char *blah = new char[bufsiz];
-
-            memcpy(blah, buf, used);
-            delete[] buf;
-            buf = blah;
-        }
-    }
-    
-public:
-    Buffer()
-    {
-        bufsiz = 16;
-        buf = new char[bufsiz];
-        clear();
-    }
-
-    ~Buffer()
-    {
-       delete[] buf;
-    }
-
-    void
-    clear()
-    {
-        buf[0] = '\0';
-        used = 0;
-    }
-
-    int
-    length()
-    {
-        return used;
-    }
-
-    void
-    append(const char c)
-    {
-        makeRoomFor(1);
-        buf[used] = c;
-        used++;
-        buf[used] = '\0';
-    }
-
-    void
-    append(const char *s, int len)
-    {
-        makeRoomFor(len);
-
-        memcpy(buf + used, s, len);
-        used += len;
-        buf[used] = '\0';
-    }
-
-    void
-    append(const char *s)
-    {
-        append(s, strlen(s));
-    }
-
-    char *
-    getBytes()
-    {
-        return buf;
-    }
-};
-
-}; // namespace android
-
-#endif
diff --git a/include/utils/ObbFile.h b/include/utils/ObbFile.h
new file mode 100644
index 0000000..075927c
--- /dev/null
+++ b/include/utils/ObbFile.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OBBFILE_H_
+#define OBBFILE_H_
+
+#include <stdint.h>
+
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+
+namespace android {
+
+class ObbFile : public RefBase {
+protected:
+    virtual ~ObbFile();
+
+public:
+    ObbFile();
+
+    bool readFrom(const char* filename);
+    bool readFrom(int fd);
+    bool writeTo(const char* filename);
+    bool writeTo(int fd);
+
+    const char* getFileName() const {
+        return mFileName;
+    }
+
+    const String8 getPackageName() const {
+        return mPackageName;
+    }
+
+    int32_t getVersion() const {
+        return mVersion;
+    }
+
+    void setPackageName(String8 packageName) {
+        mPackageName = packageName;
+    }
+
+    void setVersion(int32_t version) {
+        mVersion = version;
+    }
+
+    static inline uint32_t get4LE(const unsigned char* buf) {
+        return buf[0] | (buf[1] << 8) | (buf[2] << 16) | (buf[3] << 24);
+    }
+
+    static inline void put4LE(unsigned char* buf, uint32_t val) {
+        buf[0] = val & 0xFF;
+        buf[1] = (val >> 8) & 0xFF;
+        buf[2] = (val >> 16) & 0xFF;
+        buf[3] = (val >> 24) & 0xFF;
+    }
+
+private:
+    /* Package name this ObbFile is associated with */
+    String8 mPackageName;
+
+    /* Package version this ObbFile is associated with */
+    int32_t mVersion;
+
+    const char* mFileName;
+
+    size_t mFileSize;
+
+    unsigned char* mReadBuf;
+
+    bool parseObbFile(int fd);
+};
+
+}
+#endif /* OBBFILE_H_ */
diff --git a/include/utils/PollLoop.h b/include/utils/PollLoop.h
new file mode 100644
index 0000000..81230e8
--- /dev/null
+++ b/include/utils/PollLoop.h
@@ -0,0 +1,197 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef UTILS_POLL_LOOP_H
+#define UTILS_POLL_LOOP_H
+
+#include <utils/Vector.h>
+#include <utils/threads.h>
+
+#include <sys/poll.h>
+
+#include <android/looper.h>
+
+struct ALooper : public android::RefBase {
+protected:
+    virtual ~ALooper() { }
+
+public:
+    ALooper() { }
+};
+
+namespace android {
+
+/**
+ * A basic file descriptor polling loop based on poll() with callbacks.
+ */
+class PollLoop : public ALooper {
+protected:
+    virtual ~PollLoop();
+
+public:
+    PollLoop(bool allowNonCallbacks);
+
+    /**
+     * A callback that it to be invoked when an event occurs on a file descriptor.
+     * Specifies the events that were triggered and the user data provided when the
+     * callback was set.
+     *
+     * Returns true if the callback should be kept, false if it should be removed automatically
+     * after the callback returns.
+     */
+    typedef bool (*Callback)(int fd, int events, void* data);
+
+    enum {
+        POLL_CALLBACK = ALOOPER_POLL_CALLBACK,
+        POLL_TIMEOUT = ALOOPER_POLL_TIMEOUT,
+        POLL_ERROR = ALOOPER_POLL_ERROR,
+    };
+    
+    /**
+     * Performs a single call to poll() with optional timeout in milliseconds.
+     * Invokes callbacks for all file descriptors on which an event occurred.
+     *
+     * If the timeout is zero, returns immediately without blocking.
+     * If the timeout is negative, waits indefinitely until awoken.
+     *
+     * Returns ALOOPER_POLL_CALLBACK if a callback was invoked.
+     *
+     * Returns ALOOPER_POLL_TIMEOUT if there was no data before the given
+     * timeout expired.
+     *
+     * Returns ALOPER_POLL_ERROR if an error occurred.
+     *
+     * Returns a value >= 0 containing a file descriptor if it has data
+     * and it has no callback function (requiring the caller here to handle it).
+     * In this (and only this) case outEvents and outData will contain the poll
+     * events and data associated with the fd.
+     *
+     * This method must only be called on the thread owning the PollLoop.
+     * This method blocks until either a file descriptor is signalled, a timeout occurs,
+     * or wake() is called.
+     * This method does not return until it has finished invoking the appropriate callbacks
+     * for all file descriptors that were signalled.
+     */
+    int32_t pollOnce(int timeoutMillis, int* outEvents = NULL, void** outData = NULL);
+
+    /**
+     * Wakes the loop asynchronously.
+     *
+     * This method can be called on any thread.
+     * This method returns immediately.
+     */
+    void wake();
+
+    /**
+     * Control whether this PollLoop instance allows using IDs instead
+     * of callbacks.
+     */
+    bool getAllowNonCallbacks() const;
+    
+    /**
+     * Sets the callback for a file descriptor, replacing the existing one, if any.
+     * It is an error to call this method with events == 0 or callback == NULL.
+     *
+     * Note that a callback can be invoked with the POLLERR, POLLHUP or POLLNVAL events
+     * even if it is not explicitly requested when registered.
+     *
+     * This method can be called on any thread.
+     * This method may block briefly if it needs to wake the poll loop.
+     */
+    void setCallback(int fd, int events, Callback callback, void* data = NULL);
+
+    /**
+     * Like setCallback(), but for the NDK callback function.
+     */
+    void setLooperCallback(int fd, int events, ALooper_callbackFunc* callback,
+            void* data);
+    
+    /**
+     * Removes the callback for a file descriptor, if one exists.
+     *
+     * When this method returns, it is safe to close the file descriptor since the poll loop
+     * will no longer have a reference to it.  However, it is possible for the callback to
+     * already be running or for it to run one last time if the file descriptor was already
+     * signalled.  Calling code is responsible for ensuring that this case is safely handled.
+     * For example, if the callback takes care of removing itself during its own execution either
+     * by returning false or calling this method, then it can be guaranteed to not be invoked
+     * again at any later time unless registered anew.
+     *
+     * This method can be called on any thread.
+     * This method may block briefly if it needs to wake the poll loop.
+     *
+     * Returns true if a callback was actually removed, false if none was registered.
+     */
+    bool removeCallback(int fd);
+
+    /**
+     * Set the given PollLoop to be associated with the
+     * calling thread.  There must be a 1:1 relationship between
+     * PollLoop and thread.
+     */
+    static void setForThread(const sp<PollLoop>& pollLoop);
+    
+    /**
+     * Return the PollLoop associated with the calling thread.
+     */
+    static sp<PollLoop> getForThread();
+    
+private:
+    struct RequestedCallback {
+        Callback callback;
+        ALooper_callbackFunc* looperCallback;
+        void* data;
+    };
+
+    struct PendingCallback {
+        int fd;
+        int events;
+        Callback callback;
+        ALooper_callbackFunc* looperCallback;
+        void* data;
+    };
+    
+    const bool mAllowNonCallbacks;
+    
+    Mutex mLock;
+    bool mPolling;
+    uint32_t mWaiters;
+    Condition mAwake;
+    Condition mResume;
+
+    int mWakeReadPipeFd;
+    int mWakeWritePipeFd;
+
+    Vector<struct pollfd> mRequestedFds;
+    Vector<RequestedCallback> mRequestedCallbacks;
+
+    Vector<PendingCallback> mPendingCallbacks; // used privately by pollOnce
+    Vector<PendingCallback> mPendingFds;       // used privately by pollOnce
+    size_t mPendingFdsPos;
+    
+    void openWakePipe();
+    void closeWakePipe();
+
+    void setCallbackCommon(int fd, int events, Callback callback,
+            ALooper_callbackFunc* looperCallback, void* data);
+    ssize_t getRequestIndexLocked(int fd);
+    void wakeAndLock();
+    static void threadDestructor(void *st);
+};
+
+} // namespace android
+
+#endif // UTILS_POLL_LOOP_H
diff --git a/include/utils/Pool.h b/include/utils/Pool.h
new file mode 100644
index 0000000..2ee768e
--- /dev/null
+++ b/include/utils/Pool.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef UTILS_POOL_H
+#define UTILS_POOL_H
+
+#include <utils/TypeHelpers.h>
+
+namespace android {
+
+class PoolImpl {
+public:
+    PoolImpl(size_t objSize);
+    ~PoolImpl();
+
+    void* allocImpl();
+    void freeImpl(void* obj);
+
+private:
+    size_t mObjSize;
+};
+
+/*
+ * A homogeneous typed memory pool for fixed size objects.
+ * Not intended to be thread-safe.
+ */
+template<typename T>
+class Pool : private PoolImpl {
+public:
+    /* Creates an initially empty pool. */
+    Pool() : PoolImpl(sizeof(T)) { }
+
+    /* Destroys the pool.
+     * Assumes that the pool is empty. */
+    ~Pool() { }
+
+    /* Allocates an object from the pool, growing the pool if needed. */
+    inline T* alloc() {
+        void* mem = allocImpl();
+        if (! traits<T>::has_trivial_ctor) {
+            return new (mem) T();
+        } else {
+            return static_cast<T*>(mem);
+        }
+    }
+
+    /* Frees an object from the pool. */
+    inline void free(T* obj) {
+        if (! traits<T>::has_trivial_dtor) {
+            obj->~T();
+        }
+        freeImpl(obj);
+    }
+};
+
+} // namespace android
+
+#endif // UTILS_POOL_H
diff --git a/include/utils/RefBase.h b/include/utils/RefBase.h
index bd7f28c..9c64ac0 100644
--- a/include/utils/RefBase.h
+++ b/include/utils/RefBase.h
@@ -333,9 +333,10 @@
 
 template<typename T>
 sp<T>& sp<T>::operator = (const sp<T>& other) {
-    if (other.m_ptr) other.m_ptr->incStrong(this);
+    T* otherPtr(other.m_ptr);
+    if (otherPtr) otherPtr->incStrong(this);
     if (m_ptr) m_ptr->decStrong(this);
-    m_ptr = other.m_ptr;
+    m_ptr = otherPtr;
     return *this;
 }
 
@@ -351,9 +352,10 @@
 template<typename T> template<typename U>
 sp<T>& sp<T>::operator = (const sp<U>& other)
 {
-    if (other.m_ptr) other.m_ptr->incStrong(this);
+    U* otherPtr(other.m_ptr);
+    if (otherPtr) otherPtr->incStrong(this);
     if (m_ptr) m_ptr->decStrong(this);
-    m_ptr = other.m_ptr;
+    m_ptr = otherPtr;
     return *this;
 }
 
@@ -466,10 +468,12 @@
 template<typename T>
 wp<T>& wp<T>::operator = (const wp<T>& other)
 {
-    if (other.m_ptr) other.m_refs->incWeak(this);
+    weakref_type* otherRefs(other.m_refs);
+    T* otherPtr(other.m_ptr);
+    if (otherPtr) otherRefs->incWeak(this);
     if (m_ptr) m_refs->decWeak(this);
-    m_ptr = other.m_ptr;
-    m_refs = other.m_refs;
+    m_ptr = otherPtr;
+    m_refs = otherRefs;
     return *this;
 }
 
@@ -478,8 +482,9 @@
 {
     weakref_type* newRefs =
         other != NULL ? other->createWeak(this) : 0;
+    T* otherPtr(other.m_ptr);
     if (m_ptr) m_refs->decWeak(this);
-    m_ptr = other.get();
+    m_ptr = otherPtr;
     m_refs = newRefs;
     return *this;
 }
@@ -498,10 +503,12 @@
 template<typename T> template<typename U>
 wp<T>& wp<T>::operator = (const wp<U>& other)
 {
-    if (other.m_ptr) other.m_refs->incWeak(this);
+    weakref_type* otherRefs(other.m_refs);
+    U* otherPtr(other.m_ptr);
+    if (otherPtr) otherRefs->incWeak(this);
     if (m_ptr) m_refs->decWeak(this);
-    m_ptr = other.m_ptr;
-    m_refs = other.m_refs;
+    m_ptr = otherPtr;
+    m_refs = otherRefs;
     return *this;
 }
 
@@ -510,8 +517,9 @@
 {
     weakref_type* newRefs =
         other != NULL ? other->createWeak(this) : 0;
+    U* otherPtr(other.m_ptr);
     if (m_ptr) m_refs->decWeak(this);
-    m_ptr = other.get();
+    m_ptr = otherPtr;
     m_refs = newRefs;
     return *this;
 }
diff --git a/include/utils/ResourceTypes.h b/include/utils/ResourceTypes.h
index b701ce7..c7d9ff1 100644
--- a/include/utils/ResourceTypes.h
+++ b/include/utils/ResourceTypes.h
@@ -933,6 +933,7 @@
         SCREENSIZE_SMALL = 0x01,
         SCREENSIZE_NORMAL = 0x02,
         SCREENSIZE_LARGE = 0x03,
+        SCREENSIZE_XLARGE = 0x04,
         
         // screenLayout bits for wide/long screen variation.
         MASK_SCREENLONG = 0x30,
@@ -1208,7 +1209,28 @@
             if (screenLayout || o.screenLayout) {
                 if (((screenLayout^o.screenLayout) & MASK_SCREENSIZE) != 0
                         && (requested->screenLayout & MASK_SCREENSIZE)) {
-                    return (screenLayout & MASK_SCREENSIZE);
+                    // A little backwards compatibility here: undefined is
+                    // considered equivalent to normal.  But only if the
+                    // requested size is at least normal; otherwise, small
+                    // is better than the default.
+                    int mySL = (screenLayout & MASK_SCREENSIZE);
+                    int oSL = (o.screenLayout & MASK_SCREENSIZE);
+                    int fixedMySL = mySL;
+                    int fixedOSL = oSL;
+                    if ((requested->screenLayout & MASK_SCREENSIZE) >= SCREENSIZE_NORMAL) {
+                        if (fixedMySL == 0) fixedMySL = SCREENSIZE_NORMAL;
+                        if (fixedOSL == 0) fixedOSL = SCREENSIZE_NORMAL;
+                    }
+                    // For screen size, the best match is the one that is
+                    // closest to the requested screen size, but not over
+                    // (the not over part is dealt with in match() below).
+                    if (fixedMySL == fixedOSL) {
+                        // If the two are the same, but 'this' is actually
+                        // undefined, then the other is really a better match.
+                        if (mySL == 0) return false;
+                        return true;
+                    }
+                    return fixedMySL >= fixedOSL;
                 }
                 if (((screenLayout^o.screenLayout) & MASK_SCREENLONG) != 0
                         && (requested->screenLayout & MASK_SCREENLONG)) {
@@ -1370,8 +1392,11 @@
         if (screenConfig != 0) {
             const int screenSize = screenLayout&MASK_SCREENSIZE;
             const int setScreenSize = settings.screenLayout&MASK_SCREENSIZE;
-            if (setScreenSize != 0 && screenSize != 0
-                    && screenSize != setScreenSize) {
+            // Any screen sizes for larger screens than the setting do not
+            // match.
+            if ((setScreenSize != 0 && screenSize != 0
+                    && screenSize > setScreenSize) ||
+                    (setScreenSize == 0 && screenSize != 0)) {
                 return false;
             }
             
diff --git a/include/utils/Singleton.h b/include/utils/Singleton.h
index bc7626a..3b975b4 100644
--- a/include/utils/Singleton.h
+++ b/include/utils/Singleton.h
@@ -54,11 +54,13 @@
  * (eg: <TYPE>.cpp) to create the static instance of Singleton<>'s attributes,
  * and avoid to have a copy of them in each compilation units Singleton<TYPE>
  * is used.
+ * NOTE: we use a version of Mutex ctor that takes a parameter, because
+ * for some unknown reason using the default ctor doesn't emit the variable!
  */
 
-#define ANDROID_SINGLETON_STATIC_INSTANCE(TYPE)             \
-    template class Singleton< TYPE >;                       \
-    template< class TYPE > Mutex Singleton< TYPE >::sLock;  \
+#define ANDROID_SINGLETON_STATIC_INSTANCE(TYPE)                 \
+    template class Singleton< TYPE >;                           \
+    template<> Mutex Singleton< TYPE >::sLock(Mutex::PRIVATE);  \
     template<> TYPE* Singleton< TYPE >::sInstance(0);
 
 
diff --git a/include/utils/StopWatch.h b/include/utils/StopWatch.h
index cc0bebc..693dd3c 100644
--- a/include/utils/StopWatch.h
+++ b/include/utils/StopWatch.h
@@ -37,6 +37,8 @@
         const char* name() const;
         nsecs_t     lap();
         nsecs_t     elapsedTime() const;
+
+        void        reset();
         
 private:
     const char*     mName;
diff --git a/include/utils/String8.h b/include/utils/String8.h
index c4b18a4..0b18fe3 100644
--- a/include/utils/String8.h
+++ b/include/utils/String8.h
@@ -171,6 +171,8 @@
             status_t            append(const char* other);
             status_t            append(const char* other, size_t numChars);
 
+            status_t            appendFormat(const char* fmt, ...);
+
             // Note that this function takes O(N) time to calculate the value.
             // No cache value is stored.
             size_t              getUtf32Length() const;
diff --git a/include/utils/Vector.h b/include/utils/Vector.h
index ad59fd6..ec851bd 100644
--- a/include/utils/Vector.h
+++ b/include/utils/Vector.h
@@ -114,13 +114,19 @@
             ssize_t         appendVector(const Vector<TYPE>& vector);
 
 
+    //! insert an array at a given index
+            ssize_t         insertArrayAt(const TYPE* array, size_t index, size_t length);
+
+    //! append an array at the end of this vector
+            ssize_t         appendArray(const TYPE* array, size_t length);
+
             /*! 
              * add/insert/replace items
              */
              
     //! insert one or several items initialized with their default constructor
     inline  ssize_t         insertAt(size_t index, size_t numItems = 1);
-    //! insert on onr several items initialized from a prototype item
+    //! insert one or several items initialized from a prototype item
             ssize_t         insertAt(const TYPE& prototype_item, size_t index, size_t numItems = 1);
     //! pop the top of the stack (removes the last element). No-op if the stack's empty
     inline  void            pop();
@@ -259,6 +265,16 @@
 }
 
 template<class TYPE> inline
+ssize_t Vector<TYPE>::insertArrayAt(const TYPE* array, size_t index, size_t length) {
+    return VectorImpl::insertArrayAt(array, index, length);
+}
+
+template<class TYPE> inline
+ssize_t Vector<TYPE>::appendArray(const TYPE* array, size_t length) {
+    return VectorImpl::appendArray(array, length);
+}
+
+template<class TYPE> inline
 ssize_t Vector<TYPE>::insertAt(const TYPE& item, size_t index, size_t numItems) {
     return VectorImpl::insertAt(&item, index, numItems);
 }
diff --git a/include/utils/VectorImpl.h b/include/utils/VectorImpl.h
index 49b03f1..c4ec2ff 100644
--- a/include/utils/VectorImpl.h
+++ b/include/utils/VectorImpl.h
@@ -65,9 +65,11 @@
             size_t          capacity() const;
             ssize_t         setCapacity(size_t size);
 
-            /*! append/insert another vector */
+            /*! append/insert another vector or array */
             ssize_t         insertVectorAt(const VectorImpl& vector, size_t index);
             ssize_t         appendVector(const VectorImpl& vector);
+            ssize_t         insertArrayAt(const void* array, size_t index, size_t length);
+            ssize_t         appendArray(const void* array, size_t length);
             
             /*! add/insert/replace items */
             ssize_t         insertAt(size_t where, size_t numItems = 1);
@@ -184,6 +186,8 @@
             void            push(const void* item);
             ssize_t         insertVectorAt(const VectorImpl& vector, size_t index);
             ssize_t         appendVector(const VectorImpl& vector);
+            ssize_t         insertArrayAt(const void* array, size_t index, size_t length);
+            ssize_t         appendArray(const void* array, size_t length);
             ssize_t         insertAt(size_t where, size_t numItems = 1);
             ssize_t         insertAt(const void* item, size_t where, size_t numItems = 1);
             ssize_t         replaceAt(size_t index);
diff --git a/include/utils/ZipFileCRO.h b/include/utils/ZipFileCRO.h
index 30e0036..e38bf66 100644
--- a/include/utils/ZipFileCRO.h
+++ b/include/utils/ZipFileCRO.h
@@ -47,8 +47,8 @@
         const char* fileName);
 
 extern bool ZipFileCRO_getEntryInfo(ZipFileCRO zip, ZipEntryCRO entry,
-        int* pMethod, long* pUncompLen,
-        long* pCompLen, off_t* pOffset, long* pModWhen, long* pCrc32);
+        int* pMethod, size_t* pUncompLen,
+        size_t* pCompLen, off_t* pOffset, long* pModWhen, long* pCrc32);
 
 extern bool ZipFileCRO_uncompressEntry(ZipFileCRO zip, ZipEntryCRO entry, int fd);
 
diff --git a/include/utils/ZipFileRO.h b/include/utils/ZipFileRO.h
index 51c4f2f..97d31f4 100644
--- a/include/utils/ZipFileRO.h
+++ b/include/utils/ZipFileRO.h
@@ -58,14 +58,19 @@
 class ZipFileRO {
 public:
     ZipFileRO()
-        : mFd(-1), mFileMap(NULL), mHashTableSize(-1), mHashTable(NULL)
+        : mFd(-1), mFileName(NULL), mFileLength(-1),
+          mDirectoryMap(NULL),
+          mNumEntries(-1), mDirectoryOffset(-1),
+          mHashTableSize(-1), mHashTable(NULL)
         {}
     ~ZipFileRO() {
         free(mHashTable);
-        if (mFileMap)
-            mFileMap->release();
+        if (mDirectoryMap)
+            mDirectoryMap->release();
         if (mFd >= 0)
             close(mFd);
+        if (mFileName)
+            free(mFileName);
     }
 
     /*
@@ -118,8 +123,8 @@
      * Returns "false" if "entry" is bogus or if the data in the Zip file
      * appears to be bad.
      */
-    bool getEntryInfo(ZipEntryRO entry, int* pMethod, long* pUncompLen,
-        long* pCompLen, off_t* pOffset, long* pModWhen, long* pCrc32) const;
+    bool getEntryInfo(ZipEntryRO entry, int* pMethod, size_t* pUncompLen,
+        size_t* pCompLen, off_t* pOffset, long* pModWhen, long* pCrc32) const;
 
     /*
      * Create a new FileMap object that maps a subset of the archive.  For
@@ -155,13 +160,13 @@
      * Utility function: uncompress deflated data, buffer to buffer.
      */
     static bool inflateBuffer(void* outBuf, const void* inBuf,
-        long uncompLen, long compLen);
+        size_t uncompLen, size_t compLen);
 
     /*
      * Utility function: uncompress deflated data, buffer to fd.
      */
     static bool inflateBuffer(int fd, const void* inBuf,
-        long uncompLen, long compLen);
+        size_t uncompLen, size_t compLen);
 
     /*
      * Some basic functions for raw data manipulation.  "LE" means
@@ -179,6 +184,9 @@
     ZipFileRO(const ZipFileRO& src);
     ZipFileRO& operator=(const ZipFileRO& src);
 
+    /* locate and parse the central directory */
+    bool mapCentralDirectory(void);
+
     /* parse the archive, prepping internal structures */
     bool parseZipArchive(void);
 
@@ -203,12 +211,21 @@
     /* open Zip archive */
     int         mFd;
 
+    /* zip file name */
+    char*       mFileName;
+
+    /* length of file */
+    size_t      mFileLength;
+
     /* mapped file */
-    FileMap*    mFileMap;
+    FileMap*    mDirectoryMap;
 
     /* number of entries in the Zip archive */
     int         mNumEntries;
 
+    /* CD directory offset in the Zip archive */
+    off_t       mDirectoryOffset;
+
     /*
      * We know how many entries are in the Zip archive, so we have a
      * fixed-size hash table.  We probe for an empty slot.
diff --git a/include/utils/threads.h b/include/utils/threads.h
index 5ac0c5e..1bcfaed 100644
--- a/include/utils/threads.h
+++ b/include/utils/threads.h
@@ -295,6 +295,96 @@
 
 /*****************************************************************************/
 
+#if defined(HAVE_PTHREADS)
+
+/*
+ * Simple mutex class.  The implementation is system-dependent.
+ *
+ * The mutex must be unlocked by the thread that locked it.  They are not
+ * recursive, i.e. the same thread can't lock it multiple times.
+ */
+class RWLock {
+public:
+    enum {
+        PRIVATE = 0,
+        SHARED = 1
+    };
+
+                RWLock();
+                RWLock(const char* name);
+                RWLock(int type, const char* name = NULL);
+                ~RWLock();
+
+    status_t    readLock();
+    status_t    tryReadLock();
+    status_t    writeLock();
+    status_t    tryWriteLock();
+    void        unlock();
+
+    class AutoRLock {
+    public:
+        inline AutoRLock(RWLock& rwlock) : mLock(rwlock)  { mLock.readLock(); }
+        inline ~AutoRLock() { mLock.unlock(); }
+    private:
+        RWLock& mLock;
+    };
+
+    class AutoWLock {
+    public:
+        inline AutoWLock(RWLock& rwlock) : mLock(rwlock)  { mLock.writeLock(); }
+        inline ~AutoWLock() { mLock.unlock(); }
+    private:
+        RWLock& mLock;
+    };
+
+private:
+    // A RWLock cannot be copied
+                RWLock(const RWLock&);
+   RWLock&      operator = (const RWLock&);
+
+   pthread_rwlock_t mRWLock;
+};
+
+inline RWLock::RWLock() {
+    pthread_rwlock_init(&mRWLock, NULL);
+}
+inline RWLock::RWLock(const char* name) {
+    pthread_rwlock_init(&mRWLock, NULL);
+}
+inline RWLock::RWLock(int type, const char* name) {
+    if (type == SHARED) {
+        pthread_rwlockattr_t attr;
+        pthread_rwlockattr_init(&attr);
+        pthread_rwlockattr_setpshared(&attr, PTHREAD_PROCESS_SHARED);
+        pthread_rwlock_init(&mRWLock, &attr);
+        pthread_rwlockattr_destroy(&attr);
+    } else {
+        pthread_rwlock_init(&mRWLock, NULL);
+    }
+}
+inline RWLock::~RWLock() {
+    pthread_rwlock_destroy(&mRWLock);
+}
+inline status_t RWLock::readLock() {
+    return -pthread_rwlock_rdlock(&mRWLock);
+}
+inline status_t RWLock::tryReadLock() {
+    return -pthread_rwlock_tryrdlock(&mRWLock);
+}
+inline status_t RWLock::writeLock() {
+    return -pthread_rwlock_wrlock(&mRWLock);
+}
+inline status_t RWLock::tryWriteLock() {
+    return -pthread_rwlock_trywrlock(&mRWLock);
+}
+inline void RWLock::unlock() {
+    pthread_rwlock_unlock(&mRWLock);
+}
+
+#endif // HAVE_PTHREADS
+
+/*****************************************************************************/
+
 /*
  * Condition variable class.  The implementation is system-dependent.
  *
diff --git a/libs/audioflinger/A2dpAudioInterface.cpp b/libs/audioflinger/A2dpAudioInterface.cpp
deleted file mode 100644
index 995e31c..0000000
--- a/libs/audioflinger/A2dpAudioInterface.cpp
+++ /dev/null
@@ -1,466 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <math.h>
-
-//#define LOG_NDEBUG 0
-#define LOG_TAG "A2dpAudioInterface"
-#include <utils/Log.h>
-#include <utils/String8.h>
-
-#include "A2dpAudioInterface.h"
-#include "audio/liba2dp.h"
-
-
-namespace android {
-
-// ----------------------------------------------------------------------------
-
-//AudioHardwareInterface* A2dpAudioInterface::createA2dpInterface()
-//{
-//    AudioHardwareInterface* hw = 0;
-//
-//    hw = AudioHardwareInterface::create();
-//    LOGD("new A2dpAudioInterface(hw: %p)", hw);
-//    hw = new A2dpAudioInterface(hw);
-//    return hw;
-//}
-
-A2dpAudioInterface::A2dpAudioInterface(AudioHardwareInterface* hw) :
-    mOutput(0), mHardwareInterface(hw), mBluetoothEnabled(true), mSuspended(false)
-{
-}
-
-A2dpAudioInterface::~A2dpAudioInterface()
-{
-    closeOutputStream((AudioStreamOut *)mOutput);
-    delete mHardwareInterface;
-}
-
-status_t A2dpAudioInterface::initCheck()
-{
-    if (mHardwareInterface == 0) return NO_INIT;
-    return mHardwareInterface->initCheck();
-}
-
-AudioStreamOut* A2dpAudioInterface::openOutputStream(
-        uint32_t devices, int *format, uint32_t *channels, uint32_t *sampleRate, status_t *status)
-{
-    if (!AudioSystem::isA2dpDevice((AudioSystem::audio_devices)devices)) {
-        LOGV("A2dpAudioInterface::openOutputStream() open HW device: %x", devices);
-        return mHardwareInterface->openOutputStream(devices, format, channels, sampleRate, status);
-    }
-
-    status_t err = 0;
-
-    // only one output stream allowed
-    if (mOutput) {
-        if (status)
-            *status = -1;
-        return NULL;
-    }
-
-    // create new output stream
-    A2dpAudioStreamOut* out = new A2dpAudioStreamOut();
-    if ((err = out->set(devices, format, channels, sampleRate)) == NO_ERROR) {
-        mOutput = out;
-        mOutput->setBluetoothEnabled(mBluetoothEnabled);
-        mOutput->setSuspended(mSuspended);
-    } else {
-        delete out;
-    }
-
-    if (status)
-        *status = err;
-    return mOutput;
-}
-
-void A2dpAudioInterface::closeOutputStream(AudioStreamOut* out) {
-    if (mOutput == 0 || mOutput != out) {
-        mHardwareInterface->closeOutputStream(out);
-    }
-    else {
-        delete mOutput;
-        mOutput = 0;
-    }
-}
-
-
-AudioStreamIn* A2dpAudioInterface::openInputStream(
-        uint32_t devices, int *format, uint32_t *channels, uint32_t *sampleRate, status_t *status,
-        AudioSystem::audio_in_acoustics acoustics)
-{
-    return mHardwareInterface->openInputStream(devices, format, channels, sampleRate, status, acoustics);
-}
-
-void A2dpAudioInterface::closeInputStream(AudioStreamIn* in)
-{
-    return mHardwareInterface->closeInputStream(in);
-}
-
-status_t A2dpAudioInterface::setMode(int mode)
-{
-    return mHardwareInterface->setMode(mode);
-}
-
-status_t A2dpAudioInterface::setMicMute(bool state)
-{
-    return mHardwareInterface->setMicMute(state);
-}
-
-status_t A2dpAudioInterface::getMicMute(bool* state)
-{
-    return mHardwareInterface->getMicMute(state);
-}
-
-status_t A2dpAudioInterface::setParameters(const String8& keyValuePairs)
-{
-    AudioParameter param = AudioParameter(keyValuePairs);
-    String8 value;
-    String8 key;
-    status_t status = NO_ERROR;
-
-    LOGV("setParameters() %s", keyValuePairs.string());
-
-    key = "bluetooth_enabled";
-    if (param.get(key, value) == NO_ERROR) {
-        mBluetoothEnabled = (value == "true");
-        if (mOutput) {
-            mOutput->setBluetoothEnabled(mBluetoothEnabled);
-        }
-        param.remove(key);
-    }
-    key = String8("A2dpSuspended");
-    if (param.get(key, value) == NO_ERROR) {
-        mSuspended = (value == "true");
-        if (mOutput) {
-            mOutput->setSuspended(mSuspended);
-        }
-        param.remove(key);
-    }
-
-    if (param.size()) {
-        status_t hwStatus = mHardwareInterface->setParameters(param.toString());
-        if (status == NO_ERROR) {
-            status = hwStatus;
-        }
-    }
-
-    return status;
-}
-
-String8 A2dpAudioInterface::getParameters(const String8& keys)
-{
-    AudioParameter param = AudioParameter(keys);
-    AudioParameter a2dpParam = AudioParameter();
-    String8 value;
-    String8 key;
-
-    key = "bluetooth_enabled";
-    if (param.get(key, value) == NO_ERROR) {
-        value = mBluetoothEnabled ? "true" : "false";
-        a2dpParam.add(key, value);
-        param.remove(key);
-    }
-    key = "A2dpSuspended";
-    if (param.get(key, value) == NO_ERROR) {
-        value = mSuspended ? "true" : "false";
-        a2dpParam.add(key, value);
-        param.remove(key);
-    }
-
-    String8 keyValuePairs  = a2dpParam.toString();
-
-    if (param.size()) {
-        if (keyValuePairs != "") {
-            keyValuePairs += ";";
-        }
-        keyValuePairs += mHardwareInterface->getParameters(param.toString());
-    }
-
-    LOGV("getParameters() %s", keyValuePairs.string());
-    return keyValuePairs;
-}
-
-size_t A2dpAudioInterface::getInputBufferSize(uint32_t sampleRate, int format, int channelCount)
-{
-    return mHardwareInterface->getInputBufferSize(sampleRate, format, channelCount);
-}
-
-status_t A2dpAudioInterface::setVoiceVolume(float v)
-{
-    return mHardwareInterface->setVoiceVolume(v);
-}
-
-status_t A2dpAudioInterface::setMasterVolume(float v)
-{
-    return mHardwareInterface->setMasterVolume(v);
-}
-
-status_t A2dpAudioInterface::dump(int fd, const Vector<String16>& args)
-{
-    return mHardwareInterface->dumpState(fd, args);
-}
-
-// ----------------------------------------------------------------------------
-
-A2dpAudioInterface::A2dpAudioStreamOut::A2dpAudioStreamOut() :
-    mFd(-1), mStandby(true), mStartCount(0), mRetryCount(0), mData(NULL),
-    // assume BT enabled to start, this is safe because its only the
-    // enabled->disabled transition we are worried about
-    mBluetoothEnabled(true), mDevice(0), mClosing(false), mSuspended(false)
-{
-    // use any address by default
-    strcpy(mA2dpAddress, "00:00:00:00:00:00");
-    init();
-}
-
-status_t A2dpAudioInterface::A2dpAudioStreamOut::set(
-        uint32_t device, int *pFormat, uint32_t *pChannels, uint32_t *pRate)
-{
-    int lFormat = pFormat ? *pFormat : 0;
-    uint32_t lChannels = pChannels ? *pChannels : 0;
-    uint32_t lRate = pRate ? *pRate : 0;
-
-    LOGD("A2dpAudioStreamOut::set %x, %d, %d, %d\n", device, lFormat, lChannels, lRate);
-
-    // fix up defaults
-    if (lFormat == 0) lFormat = format();
-    if (lChannels == 0) lChannels = channels();
-    if (lRate == 0) lRate = sampleRate();
-
-    // check values
-    if ((lFormat != format()) ||
-            (lChannels != channels()) ||
-            (lRate != sampleRate())){
-        if (pFormat) *pFormat = format();
-        if (pChannels) *pChannels = channels();
-        if (pRate) *pRate = sampleRate();
-        return BAD_VALUE;
-    }
-
-    if (pFormat) *pFormat = lFormat;
-    if (pChannels) *pChannels = lChannels;
-    if (pRate) *pRate = lRate;
-
-    mDevice = device;
-    return NO_ERROR;
-}
-
-A2dpAudioInterface::A2dpAudioStreamOut::~A2dpAudioStreamOut()
-{
-    LOGV("A2dpAudioStreamOut destructor");
-    standby();
-    close();
-    LOGV("A2dpAudioStreamOut destructor returning from close()");
-}
-
-ssize_t A2dpAudioInterface::A2dpAudioStreamOut::write(const void* buffer, size_t bytes)
-{
-    Mutex::Autolock lock(mLock);
-
-    size_t remaining = bytes;
-    status_t status = -1;
-
-    if (!mBluetoothEnabled || mClosing || mSuspended) {
-        LOGV("A2dpAudioStreamOut::write(), but bluetooth disabled \
-               mBluetoothEnabled %d, mClosing %d, mSuspended %d",
-                mBluetoothEnabled, mClosing, mSuspended);
-        goto Error;
-    }
-
-    status = init();
-    if (status < 0)
-        goto Error;
-
-    while (remaining > 0) {
-        status = a2dp_write(mData, buffer, remaining);
-        if (status <= 0) {
-            LOGE("a2dp_write failed err: %d\n", status);
-            goto Error;
-        }
-        remaining -= status;
-        buffer = ((char *)buffer) + status;
-    }
-
-    mStandby = false;
-
-    return bytes;
-
-Error:
-    // Simulate audio output timing in case of error
-    usleep(((bytes * 1000 )/ frameSize() / sampleRate()) * 1000);
-
-    return status;
-}
-
-status_t A2dpAudioInterface::A2dpAudioStreamOut::init()
-{
-    if (!mData) {
-        status_t status = a2dp_init(44100, 2, &mData);
-        if (status < 0) {
-            LOGE("a2dp_init failed err: %d\n", status);
-            mData = NULL;
-            return status;
-        }
-        a2dp_set_sink(mData, mA2dpAddress);
-    }
-
-    return 0;
-}
-
-status_t A2dpAudioInterface::A2dpAudioStreamOut::standby()
-{
-    int result = 0;
-
-    if (mClosing) {
-        LOGV("Ignore standby, closing");
-        return result;
-    }
-
-    Mutex::Autolock lock(mLock);
-
-    if (!mStandby) {
-        result = a2dp_stop(mData);
-        if (result == 0)
-            mStandby = true;
-    }
-
-    return result;
-}
-
-status_t A2dpAudioInterface::A2dpAudioStreamOut::setParameters(const String8& keyValuePairs)
-{
-    AudioParameter param = AudioParameter(keyValuePairs);
-    String8 value;
-    String8 key = String8("a2dp_sink_address");
-    status_t status = NO_ERROR;
-    int device;
-    LOGV("A2dpAudioStreamOut::setParameters() %s", keyValuePairs.string());
-
-    if (param.get(key, value) == NO_ERROR) {
-        if (value.length() != strlen("00:00:00:00:00:00")) {
-            status = BAD_VALUE;
-        } else {
-            setAddress(value.string());
-        }
-        param.remove(key);
-    }
-    key = String8("closing");
-    if (param.get(key, value) == NO_ERROR) {
-        mClosing = (value == "true");
-        param.remove(key);
-    }
-    key = AudioParameter::keyRouting;
-    if (param.getInt(key, device) == NO_ERROR) {
-        if (AudioSystem::isA2dpDevice((AudioSystem::audio_devices)device)) {
-            mDevice = device;
-            status = NO_ERROR;
-        } else {
-            status = BAD_VALUE;
-        }
-        param.remove(key);
-    }
-
-    if (param.size()) {
-        status = BAD_VALUE;
-    }
-    return status;
-}
-
-String8 A2dpAudioInterface::A2dpAudioStreamOut::getParameters(const String8& keys)
-{
-    AudioParameter param = AudioParameter(keys);
-    String8 value;
-    String8 key = String8("a2dp_sink_address");
-
-    if (param.get(key, value) == NO_ERROR) {
-        value = mA2dpAddress;
-        param.add(key, value);
-    }
-    key = AudioParameter::keyRouting;
-    if (param.get(key, value) == NO_ERROR) {
-        param.addInt(key, (int)mDevice);
-    }
-
-    LOGV("A2dpAudioStreamOut::getParameters() %s", param.toString().string());
-    return param.toString();
-}
-
-status_t A2dpAudioInterface::A2dpAudioStreamOut::setAddress(const char* address)
-{
-    Mutex::Autolock lock(mLock);
-
-    if (strlen(address) != strlen("00:00:00:00:00:00"))
-        return -EINVAL;
-
-    strcpy(mA2dpAddress, address);
-    if (mData)
-        a2dp_set_sink(mData, mA2dpAddress);
-
-    return NO_ERROR;
-}
-
-status_t A2dpAudioInterface::A2dpAudioStreamOut::setBluetoothEnabled(bool enabled)
-{
-    LOGD("setBluetoothEnabled %d", enabled);
-
-    Mutex::Autolock lock(mLock);
-
-    mBluetoothEnabled = enabled;
-    if (!enabled) {
-        return close_l();
-    }
-    return NO_ERROR;
-}
-
-status_t A2dpAudioInterface::A2dpAudioStreamOut::setSuspended(bool onOff)
-{
-    LOGV("setSuspended %d", onOff);
-    mSuspended = onOff;
-    standby();
-    return NO_ERROR;
-}
-
-status_t A2dpAudioInterface::A2dpAudioStreamOut::close()
-{
-    Mutex::Autolock lock(mLock);
-    LOGV("A2dpAudioStreamOut::close() calling close_l()");
-    return close_l();
-}
-
-status_t A2dpAudioInterface::A2dpAudioStreamOut::close_l()
-{
-    if (mData) {
-        LOGV("A2dpAudioStreamOut::close_l() calling a2dp_cleanup(mData)");
-        a2dp_cleanup(mData);
-        mData = NULL;
-    }
-    return NO_ERROR;
-}
-
-status_t A2dpAudioInterface::A2dpAudioStreamOut::dump(int fd, const Vector<String16>& args)
-{
-    return NO_ERROR;
-}
-
-status_t A2dpAudioInterface::A2dpAudioStreamOut::getRenderPosition(uint32_t *driverFrames)
-{
-    //TODO: enable when supported by driver
-    return INVALID_OPERATION;
-}
-
-}; // namespace android
diff --git a/libs/audioflinger/A2dpAudioInterface.h b/libs/audioflinger/A2dpAudioInterface.h
deleted file mode 100644
index 48154f9..0000000
--- a/libs/audioflinger/A2dpAudioInterface.h
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef A2DP_AUDIO_HARDWARE_H
-#define A2DP_AUDIO_HARDWARE_H
-
-#include <stdint.h>
-#include <sys/types.h>
-
-#include <utils/threads.h>
-
-#include <hardware_legacy/AudioHardwareBase.h>
-
-
-namespace android {
-
-class A2dpAudioInterface : public AudioHardwareBase
-{
-    class A2dpAudioStreamOut;
-
-public:
-                        A2dpAudioInterface(AudioHardwareInterface* hw);
-    virtual             ~A2dpAudioInterface();
-    virtual status_t    initCheck();
-
-    virtual status_t    setVoiceVolume(float volume);
-    virtual status_t    setMasterVolume(float volume);
-
-    virtual status_t    setMode(int mode);
-
-    // mic mute
-    virtual status_t    setMicMute(bool state);
-    virtual status_t    getMicMute(bool* state);
-
-    virtual status_t    setParameters(const String8& keyValuePairs);
-    virtual String8     getParameters(const String8& keys);
-
-    virtual size_t      getInputBufferSize(uint32_t sampleRate, int format, int channelCount);
-
-    // create I/O streams
-    virtual AudioStreamOut* openOutputStream(
-                                uint32_t devices,
-                                int *format=0,
-                                uint32_t *channels=0,
-                                uint32_t *sampleRate=0,
-                                status_t *status=0);
-    virtual    void        closeOutputStream(AudioStreamOut* out);
-
-    virtual AudioStreamIn* openInputStream(
-                                uint32_t devices,
-                                int *format,
-                                uint32_t *channels,
-                                uint32_t *sampleRate,
-                                status_t *status,
-                                AudioSystem::audio_in_acoustics acoustics);
-    virtual    void        closeInputStream(AudioStreamIn* in);
-//    static AudioHardwareInterface* createA2dpInterface();
-
-protected:
-    virtual status_t    dump(int fd, const Vector<String16>& args);
-
-private:
-    class A2dpAudioStreamOut : public AudioStreamOut {
-    public:
-                            A2dpAudioStreamOut();
-        virtual             ~A2dpAudioStreamOut();
-                status_t    set(uint32_t device,
-                                int *pFormat,
-                                uint32_t *pChannels,
-                                uint32_t *pRate);
-        virtual uint32_t    sampleRate() const { return 44100; }
-        // SBC codec wants a multiple of 512
-        virtual size_t      bufferSize() const { return 512 * 20; }
-        virtual uint32_t    channels() const { return AudioSystem::CHANNEL_OUT_STEREO; }
-        virtual int         format() const { return AudioSystem::PCM_16_BIT; }
-        virtual uint32_t    latency() const { return ((1000*bufferSize())/frameSize())/sampleRate() + 200; }
-        virtual status_t    setVolume(float left, float right) { return INVALID_OPERATION; }
-        virtual ssize_t     write(const void* buffer, size_t bytes);
-                status_t    standby();
-        virtual status_t    dump(int fd, const Vector<String16>& args);
-        virtual status_t    setParameters(const String8& keyValuePairs);
-        virtual String8     getParameters(const String8& keys);
-        virtual status_t    getRenderPosition(uint32_t *dspFrames);
-
-    private:
-        friend class A2dpAudioInterface;
-                status_t    init();
-                status_t    close();
-                status_t    close_l();
-                status_t    setAddress(const char* address);
-                status_t    setBluetoothEnabled(bool enabled);
-                status_t    setSuspended(bool onOff);
-
-    private:
-                int         mFd;
-                bool        mStandby;
-                int         mStartCount;
-                int         mRetryCount;
-                char        mA2dpAddress[20];
-                void*       mData;
-                Mutex       mLock;
-                bool        mBluetoothEnabled;
-                uint32_t    mDevice;
-                bool        mClosing;
-                bool        mSuspended;
-    };
-
-    friend class A2dpAudioStreamOut;
-
-    A2dpAudioStreamOut*     mOutput;
-    AudioHardwareInterface  *mHardwareInterface;
-    char        mA2dpAddress[20];
-    bool        mBluetoothEnabled;
-    bool        mSuspended;
-};
-
-
-// ----------------------------------------------------------------------------
-
-}; // namespace android
-
-#endif // A2DP_AUDIO_HARDWARE_H
diff --git a/libs/audioflinger/Android.mk b/libs/audioflinger/Android.mk
deleted file mode 100644
index 870c0b8..0000000
--- a/libs/audioflinger/Android.mk
+++ /dev/null
@@ -1,130 +0,0 @@
-LOCAL_PATH:= $(call my-dir)
-
-#AUDIO_POLICY_TEST := true
-#ENABLE_AUDIO_DUMP := true
-
-include $(CLEAR_VARS)
-
-
-ifeq ($(AUDIO_POLICY_TEST),true)
-  ENABLE_AUDIO_DUMP := true
-endif
-
-
-LOCAL_SRC_FILES:= \
-    AudioHardwareGeneric.cpp \
-    AudioHardwareStub.cpp \
-    AudioHardwareInterface.cpp
-
-ifeq ($(ENABLE_AUDIO_DUMP),true)
-  LOCAL_SRC_FILES += AudioDumpInterface.cpp
-  LOCAL_CFLAGS += -DENABLE_AUDIO_DUMP
-endif
-
-LOCAL_SHARED_LIBRARIES := \
-    libcutils \
-    libutils \
-    libbinder \
-    libmedia \
-    libhardware_legacy
-
-ifeq ($(strip $(BOARD_USES_GENERIC_AUDIO)),true)
-  LOCAL_CFLAGS += -DGENERIC_AUDIO
-endif
-
-LOCAL_MODULE:= libaudiointerface
-
-ifeq ($(BOARD_HAVE_BLUETOOTH),true)
-  LOCAL_SRC_FILES += A2dpAudioInterface.cpp
-  LOCAL_SHARED_LIBRARIES += liba2dp
-  LOCAL_CFLAGS += -DWITH_BLUETOOTH -DWITH_A2DP
-  LOCAL_C_INCLUDES += $(call include-path-for, bluez)
-endif
-
-include $(BUILD_STATIC_LIBRARY)
-
-
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES:=               \
-    AudioPolicyManagerBase.cpp
-
-LOCAL_SHARED_LIBRARIES := \
-    libcutils \
-    libutils \
-    libmedia
-
-ifeq ($(TARGET_SIMULATOR),true)
- LOCAL_LDLIBS += -ldl
-else
- LOCAL_SHARED_LIBRARIES += libdl
-endif
-
-LOCAL_MODULE:= libaudiopolicybase
-
-ifeq ($(BOARD_HAVE_BLUETOOTH),true)
-  LOCAL_CFLAGS += -DWITH_A2DP
-endif
-
-ifeq ($(AUDIO_POLICY_TEST),true)
-  LOCAL_CFLAGS += -DAUDIO_POLICY_TEST
-endif
-
-include $(BUILD_STATIC_LIBRARY)
-
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES:=               \
-    AudioFlinger.cpp            \
-    AudioMixer.cpp.arm          \
-    AudioResampler.cpp.arm      \
-    AudioResamplerSinc.cpp.arm  \
-    AudioResamplerCubic.cpp.arm \
-    AudioPolicyService.cpp
-
-LOCAL_SHARED_LIBRARIES := \
-    libcutils \
-    libutils \
-    libbinder \
-    libmedia \
-    libhardware_legacy
-
-ifeq ($(strip $(BOARD_USES_GENERIC_AUDIO)),true)
-  LOCAL_STATIC_LIBRARIES += libaudiointerface libaudiopolicybase
-  LOCAL_CFLAGS += -DGENERIC_AUDIO
-else
-  LOCAL_SHARED_LIBRARIES += libaudio libaudiopolicy
-endif
-
-ifeq ($(TARGET_SIMULATOR),true)
- LOCAL_LDLIBS += -ldl
-else
- LOCAL_SHARED_LIBRARIES += libdl
-endif
-
-LOCAL_MODULE:= libaudioflinger
-
-ifeq ($(BOARD_HAVE_BLUETOOTH),true)
-  LOCAL_CFLAGS += -DWITH_BLUETOOTH -DWITH_A2DP
-  LOCAL_SHARED_LIBRARIES += liba2dp
-endif
-
-ifeq ($(AUDIO_POLICY_TEST),true)
-  LOCAL_CFLAGS += -DAUDIO_POLICY_TEST
-endif
-
-ifeq ($(TARGET_SIMULATOR),true)
-    ifeq ($(HOST_OS),linux)
-        LOCAL_LDLIBS += -lrt -lpthread
-    endif
-endif
-
-ifeq ($(BOARD_USE_LVMX),true)
-    LOCAL_CFLAGS += -DLVMX
-    LOCAL_C_INCLUDES += vendor/nxp
-    LOCAL_STATIC_LIBRARIES += liblifevibes
-    LOCAL_SHARED_LIBRARIES += liblvmxservice
-#    LOCAL_SHARED_LIBRARIES += liblvmxipc
-endif
-
-include $(BUILD_SHARED_LIBRARY)
diff --git a/libs/audioflinger/AudioBufferProvider.h b/libs/audioflinger/AudioBufferProvider.h
deleted file mode 100644
index 81c5c39..0000000
--- a/libs/audioflinger/AudioBufferProvider.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_AUDIO_BUFFER_PROVIDER_H
-#define ANDROID_AUDIO_BUFFER_PROVIDER_H
-
-#include <stdint.h>
-#include <sys/types.h>
-#include <utils/Errors.h>
-
-namespace android {
-// ----------------------------------------------------------------------------
-
-class AudioBufferProvider
-{
-public:
-
-    struct Buffer {
-        union {
-            void*       raw;
-            short*      i16;
-            int8_t*     i8;
-        };
-        size_t frameCount;
-    };
-
-    virtual ~AudioBufferProvider() {}
-    
-    virtual status_t getNextBuffer(Buffer* buffer) = 0;
-    virtual void releaseBuffer(Buffer* buffer) = 0;
-};
-
-// ----------------------------------------------------------------------------
-}; // namespace android
-
-#endif // ANDROID_AUDIO_BUFFER_PROVIDER_H
diff --git a/libs/audioflinger/AudioDumpInterface.cpp b/libs/audioflinger/AudioDumpInterface.cpp
deleted file mode 100644
index a018b4c..0000000
--- a/libs/audioflinger/AudioDumpInterface.cpp
+++ /dev/null
@@ -1,531 +0,0 @@
-/* //device/servers/AudioFlinger/AudioDumpInterface.cpp
-**
-** Copyright 2008, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-**     http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
-*/
-
-#define LOG_TAG "AudioFlingerDump"
-//#define LOG_NDEBUG 0
-
-#include <stdint.h>
-#include <sys/types.h>
-#include <utils/Log.h>
-
-#include <stdlib.h>
-#include <unistd.h>
-
-#include "AudioDumpInterface.h"
-
-namespace android {
-
-// ----------------------------------------------------------------------------
-
-AudioDumpInterface::AudioDumpInterface(AudioHardwareInterface* hw)
-    : mFirstHwOutput(true), mPolicyCommands(String8("")), mFileName(String8(""))
-{
-    if(hw == 0) {
-        LOGE("Dump construct hw = 0");
-    }
-    mFinalInterface = hw;
-    LOGV("Constructor %p, mFinalInterface %p", this, mFinalInterface);
-}
-
-
-AudioDumpInterface::~AudioDumpInterface()
-{
-    for (size_t i = 0; i < mOutputs.size(); i++) {
-        closeOutputStream((AudioStreamOut *)mOutputs[i]);
-    }
-    if(mFinalInterface) delete mFinalInterface;
-}
-
-
-AudioStreamOut* AudioDumpInterface::openOutputStream(
-        uint32_t devices, int *format, uint32_t *channels, uint32_t *sampleRate, status_t *status)
-{
-    AudioStreamOut* outFinal = NULL;
-    int lFormat = AudioSystem::PCM_16_BIT;
-    uint32_t lChannels = AudioSystem::CHANNEL_OUT_STEREO;
-    uint32_t lRate = 44100;
-
-
-    if (AudioSystem::isA2dpDevice((AudioSystem::audio_devices)devices) || mFirstHwOutput) {
-        outFinal = mFinalInterface->openOutputStream(devices, format, channels, sampleRate, status);
-        if (outFinal != 0) {
-            lFormat = outFinal->format();
-            lChannels = outFinal->channels();
-            lRate = outFinal->sampleRate();
-            if (!AudioSystem::isA2dpDevice((AudioSystem::audio_devices)devices)) {
-                mFirstHwOutput = false;
-            }
-        }
-    } else {
-        if (format != 0 && *format != 0) {
-            lFormat = *format;
-        } else {
-            lFormat = AudioSystem::PCM_16_BIT;
-        }
-        if (channels != 0 && *channels != 0) {
-            lChannels = *channels;
-        } else {
-            lChannels = AudioSystem::CHANNEL_OUT_STEREO;
-        }
-        if (sampleRate != 0 && *sampleRate != 0) {
-            lRate = *sampleRate;
-        } else {
-            lRate = 44100;
-        }
-        if (status) *status = NO_ERROR;
-    }
-    LOGV("openOutputStream(), outFinal %p", outFinal);
-
-    AudioStreamOutDump *dumOutput = new AudioStreamOutDump(this, mOutputs.size(), outFinal,
-            devices, lFormat, lChannels, lRate);
-    mOutputs.add(dumOutput);
-
-    return dumOutput;
-}
-
-void AudioDumpInterface::closeOutputStream(AudioStreamOut* out)
-{
-    AudioStreamOutDump *dumpOut = (AudioStreamOutDump *)out;
-
-    if (mOutputs.indexOf(dumpOut) < 0) {
-        LOGW("Attempt to close invalid output stream");
-        return;
-    }
-
-    LOGV("closeOutputStream() output %p", out);
-
-    dumpOut->standby();
-    if (dumpOut->finalStream() != NULL) {
-        mFinalInterface->closeOutputStream(dumpOut->finalStream());
-        mFirstHwOutput = true;
-    }
-
-    mOutputs.remove(dumpOut);
-    delete dumpOut;
-}
-
-AudioStreamIn* AudioDumpInterface::openInputStream(uint32_t devices, int *format, uint32_t *channels,
-        uint32_t *sampleRate, status_t *status, AudioSystem::audio_in_acoustics acoustics)
-{
-    AudioStreamIn* inFinal = NULL;
-    int lFormat = AudioSystem::PCM_16_BIT;
-    uint32_t lChannels = AudioSystem::CHANNEL_IN_MONO;
-    uint32_t lRate = 8000;
-
-
-    if (mInputs.size() == 0) {
-        inFinal = mFinalInterface->openInputStream(devices, format, channels, sampleRate, status, acoustics);
-        if (inFinal == 0) return 0;
-
-        lFormat = inFinal->format();
-        lChannels = inFinal->channels();
-        lRate = inFinal->sampleRate();
-    } else {
-        if (format != 0 && *format != 0) lFormat = *format;
-        if (channels != 0 && *channels != 0) lChannels = *channels;
-        if (sampleRate != 0 && *sampleRate != 0) lRate = *sampleRate;
-        if (status) *status = NO_ERROR;
-    }
-    LOGV("openInputStream(), inFinal %p", inFinal);
-
-    AudioStreamInDump *dumInput = new AudioStreamInDump(this, mInputs.size(), inFinal,
-            devices, lFormat, lChannels, lRate);
-    mInputs.add(dumInput);
-
-    return dumInput;
-}
-void AudioDumpInterface::closeInputStream(AudioStreamIn* in)
-{
-    AudioStreamInDump *dumpIn = (AudioStreamInDump *)in;
-
-    if (mInputs.indexOf(dumpIn) < 0) {
-        LOGW("Attempt to close invalid input stream");
-        return;
-    }
-    dumpIn->standby();
-    if (dumpIn->finalStream() != NULL) {
-        mFinalInterface->closeInputStream(dumpIn->finalStream());
-    }
-
-    mInputs.remove(dumpIn);
-    delete dumpIn;
-}
-
-
-status_t AudioDumpInterface::setParameters(const String8& keyValuePairs)
-{
-    AudioParameter param = AudioParameter(keyValuePairs);
-    String8 value;
-    int valueInt;
-    LOGV("setParameters %s", keyValuePairs.string());
-
-    if (param.get(String8("test_cmd_file_name"), value) == NO_ERROR) {
-        mFileName = value;
-        param.remove(String8("test_cmd_file_name"));
-    }
-    if (param.get(String8("test_cmd_policy"), value) == NO_ERROR) {
-        Mutex::Autolock _l(mLock);
-        param.remove(String8("test_cmd_policy"));
-        mPolicyCommands = param.toString();
-        LOGV("test_cmd_policy command %s written", mPolicyCommands.string());
-        return NO_ERROR;
-    }
-
-    if (mFinalInterface != 0 ) return mFinalInterface->setParameters(keyValuePairs);
-    return NO_ERROR;
-}
-
-String8 AudioDumpInterface::getParameters(const String8& keys)
-{
-    AudioParameter param = AudioParameter(keys);
-    AudioParameter response;
-    String8 value;
-
-//    LOGV("getParameters %s", keys.string());
-    if (param.get(String8("test_cmd_policy"), value) == NO_ERROR) {
-        Mutex::Autolock _l(mLock);
-        if (mPolicyCommands.length() != 0) {
-            response = AudioParameter(mPolicyCommands);
-            response.addInt(String8("test_cmd_policy"), 1);
-        } else {
-            response.addInt(String8("test_cmd_policy"), 0);
-        }
-        param.remove(String8("test_cmd_policy"));
-//        LOGV("test_cmd_policy command %s read", mPolicyCommands.string());
-    }
-
-    if (param.get(String8("test_cmd_file_name"), value) == NO_ERROR) {
-        response.add(String8("test_cmd_file_name"), mFileName);
-        param.remove(String8("test_cmd_file_name"));
-    }
-
-    String8 keyValuePairs = response.toString();
-
-    if (param.size() && mFinalInterface != 0 ) {
-        keyValuePairs += ";";
-        keyValuePairs += mFinalInterface->getParameters(param.toString());
-    }
-
-    return keyValuePairs;
-}
-
-
-// ----------------------------------------------------------------------------
-
-AudioStreamOutDump::AudioStreamOutDump(AudioDumpInterface *interface,
-                                        int id,
-                                        AudioStreamOut* finalStream,
-                                        uint32_t devices,
-                                        int format,
-                                        uint32_t channels,
-                                        uint32_t sampleRate)
-    : mInterface(interface), mId(id),
-      mSampleRate(sampleRate), mFormat(format), mChannels(channels), mLatency(0), mDevice(devices),
-      mBufferSize(1024), mFinalStream(finalStream), mOutFile(0), mFileCount(0)
-{
-    LOGV("AudioStreamOutDump Constructor %p, mInterface %p, mFinalStream %p", this, mInterface, mFinalStream);
-}
-
-
-AudioStreamOutDump::~AudioStreamOutDump()
-{
-    LOGV("AudioStreamOutDump destructor");
-    Close();
-}
-
-ssize_t AudioStreamOutDump::write(const void* buffer, size_t bytes)
-{
-    ssize_t ret;
-
-    if (mFinalStream) {
-        ret = mFinalStream->write(buffer, bytes);
-    } else {
-        usleep((bytes * 1000000) / frameSize() / sampleRate());
-        ret = bytes;
-    }
-    if(!mOutFile) {
-        if (mInterface->fileName() != "") {
-            char name[255];
-            sprintf(name, "%s_%d_%d.pcm", mInterface->fileName().string(), mId, ++mFileCount);
-            mOutFile = fopen(name, "wb");
-            LOGV("Opening dump file %s, fh %p", name, mOutFile);
-        }
-    }
-    if (mOutFile) {
-        fwrite(buffer, bytes, 1, mOutFile);
-    }
-    return ret;
-}
-
-status_t AudioStreamOutDump::standby()
-{
-    LOGV("AudioStreamOutDump standby(), mOutFile %p, mFinalStream %p", mOutFile, mFinalStream);
-
-    Close();
-    if (mFinalStream != 0 ) return mFinalStream->standby();
-    return NO_ERROR;
-}
-
-uint32_t AudioStreamOutDump::sampleRate() const
-{
-    if (mFinalStream != 0 ) return mFinalStream->sampleRate();
-    return mSampleRate;
-}
-
-size_t AudioStreamOutDump::bufferSize() const
-{
-    if (mFinalStream != 0 ) return mFinalStream->bufferSize();
-    return mBufferSize;
-}
-
-uint32_t AudioStreamOutDump::channels() const
-{
-    if (mFinalStream != 0 ) return mFinalStream->channels();
-    return mChannels;
-}
-int AudioStreamOutDump::format() const
-{
-    if (mFinalStream != 0 ) return mFinalStream->format();
-    return mFormat;
-}
-uint32_t AudioStreamOutDump::latency() const
-{
-    if (mFinalStream != 0 ) return mFinalStream->latency();
-    return 0;
-}
-status_t AudioStreamOutDump::setVolume(float left, float right)
-{
-    if (mFinalStream != 0 ) return mFinalStream->setVolume(left, right);
-    return NO_ERROR;
-}
-status_t AudioStreamOutDump::setParameters(const String8& keyValuePairs)
-{
-    LOGV("AudioStreamOutDump::setParameters %s", keyValuePairs.string());
-
-    if (mFinalStream != 0 ) {
-        return mFinalStream->setParameters(keyValuePairs);
-    }
-
-    AudioParameter param = AudioParameter(keyValuePairs);
-    String8 value;
-    int valueInt;
-    status_t status = NO_ERROR;
-
-    if (param.getInt(String8("set_id"), valueInt) == NO_ERROR) {
-        mId = valueInt;
-    }
-
-    if (param.getInt(String8("format"), valueInt) == NO_ERROR) {
-        if (mOutFile == 0) {
-            mFormat = valueInt;
-        } else {
-            status = INVALID_OPERATION;
-        }
-    }
-    if (param.getInt(String8("channels"), valueInt) == NO_ERROR) {
-        if (valueInt == AudioSystem::CHANNEL_OUT_STEREO || valueInt == AudioSystem::CHANNEL_OUT_MONO) {
-            mChannels = valueInt;
-        } else {
-            status = BAD_VALUE;
-        }
-    }
-    if (param.getInt(String8("sampling_rate"), valueInt) == NO_ERROR) {
-        if (valueInt > 0 && valueInt <= 48000) {
-            if (mOutFile == 0) {
-                mSampleRate = valueInt;
-            } else {
-                status = INVALID_OPERATION;
-            }
-        } else {
-            status = BAD_VALUE;
-        }
-    }
-    return status;
-}
-
-String8 AudioStreamOutDump::getParameters(const String8& keys)
-{
-    if (mFinalStream != 0 ) return mFinalStream->getParameters(keys);
-
-    AudioParameter param = AudioParameter(keys);
-    return param.toString();
-}
-
-status_t AudioStreamOutDump::dump(int fd, const Vector<String16>& args)
-{
-    if (mFinalStream != 0 ) return mFinalStream->dump(fd, args);
-    return NO_ERROR;
-}
-
-void AudioStreamOutDump::Close()
-{
-    if(mOutFile) {
-        fclose(mOutFile);
-        mOutFile = 0;
-    }
-}
-
-status_t AudioStreamOutDump::getRenderPosition(uint32_t *dspFrames)
-{
-    if (mFinalStream != 0 ) return mFinalStream->getRenderPosition(dspFrames);
-    return INVALID_OPERATION;
-}
-
-// ----------------------------------------------------------------------------
-
-AudioStreamInDump::AudioStreamInDump(AudioDumpInterface *interface,
-                                        int id,
-                                        AudioStreamIn* finalStream,
-                                        uint32_t devices,
-                                        int format,
-                                        uint32_t channels,
-                                        uint32_t sampleRate)
-    : mInterface(interface), mId(id),
-      mSampleRate(sampleRate), mFormat(format), mChannels(channels), mDevice(devices),
-      mBufferSize(1024), mFinalStream(finalStream), mInFile(0)
-{
-    LOGV("AudioStreamInDump Constructor %p, mInterface %p, mFinalStream %p", this, mInterface, mFinalStream);
-}
-
-
-AudioStreamInDump::~AudioStreamInDump()
-{
-    Close();
-}
-
-ssize_t AudioStreamInDump::read(void* buffer, ssize_t bytes)
-{
-    if (mFinalStream) {
-        return mFinalStream->read(buffer, bytes);
-    }
-
-    usleep((bytes * 1000000) / frameSize() / sampleRate());
-
-    if(!mInFile) {
-        char name[255];
-        strcpy(name, "/sdcard/music/sine440");
-        if (channels() == AudioSystem::CHANNEL_IN_MONO) {
-            strcat(name, "_mo");
-        } else {
-            strcat(name, "_st");
-        }
-        if (format() == AudioSystem::PCM_16_BIT) {
-            strcat(name, "_16b");
-        } else {
-            strcat(name, "_8b");
-        }
-        if (sampleRate() < 16000) {
-            strcat(name, "_8k");
-        } else if (sampleRate() < 32000) {
-            strcat(name, "_22k");
-        } else if (sampleRate() < 48000) {
-            strcat(name, "_44k");
-        } else {
-            strcat(name, "_48k");
-        }
-        strcat(name, ".wav");
-        mInFile = fopen(name, "rb");
-        LOGV("Opening dump file %s, fh %p", name, mInFile);
-        if (mInFile) {
-            fseek(mInFile, AUDIO_DUMP_WAVE_HDR_SIZE, SEEK_SET);
-        }
-
-    }
-    if (mInFile) {
-        ssize_t bytesRead = fread(buffer, bytes, 1, mInFile);
-        if (bytesRead != bytes) {
-            fseek(mInFile, AUDIO_DUMP_WAVE_HDR_SIZE, SEEK_SET);
-            fread((uint8_t *)buffer+bytesRead, bytes-bytesRead, 1, mInFile);
-        }
-    }
-    return bytes;
-}
-
-status_t AudioStreamInDump::standby()
-{
-    LOGV("AudioStreamInDump standby(), mInFile %p, mFinalStream %p", mInFile, mFinalStream);
-
-    Close();
-    if (mFinalStream != 0 ) return mFinalStream->standby();
-    return NO_ERROR;
-}
-
-status_t AudioStreamInDump::setGain(float gain)
-{
-    if (mFinalStream != 0 ) return mFinalStream->setGain(gain);
-    return NO_ERROR;
-}
-
-uint32_t AudioStreamInDump::sampleRate() const
-{
-    if (mFinalStream != 0 ) return mFinalStream->sampleRate();
-    return mSampleRate;
-}
-
-size_t AudioStreamInDump::bufferSize() const
-{
-    if (mFinalStream != 0 ) return mFinalStream->bufferSize();
-    return mBufferSize;
-}
-
-uint32_t AudioStreamInDump::channels() const
-{
-    if (mFinalStream != 0 ) return mFinalStream->channels();
-    return mChannels;
-}
-
-int AudioStreamInDump::format() const
-{
-    if (mFinalStream != 0 ) return mFinalStream->format();
-    return mFormat;
-}
-
-status_t AudioStreamInDump::setParameters(const String8& keyValuePairs)
-{
-    LOGV("AudioStreamInDump::setParameters()");
-    if (mFinalStream != 0 ) return mFinalStream->setParameters(keyValuePairs);
-    return NO_ERROR;
-}
-
-String8 AudioStreamInDump::getParameters(const String8& keys)
-{
-    if (mFinalStream != 0 ) return mFinalStream->getParameters(keys);
-
-    AudioParameter param = AudioParameter(keys);
-    return param.toString();
-}
-
-unsigned int AudioStreamInDump::getInputFramesLost() const
-{
-    if (mFinalStream != 0 ) return mFinalStream->getInputFramesLost();
-    return 0;
-}
-
-status_t AudioStreamInDump::dump(int fd, const Vector<String16>& args)
-{
-    if (mFinalStream != 0 ) return mFinalStream->dump(fd, args);
-    return NO_ERROR;
-}
-
-void AudioStreamInDump::Close()
-{
-    if(mInFile) {
-        fclose(mInFile);
-        mInFile = 0;
-    }
-}
-}; // namespace android
diff --git a/libs/audioflinger/AudioDumpInterface.h b/libs/audioflinger/AudioDumpInterface.h
deleted file mode 100644
index 4c62b3e..0000000
--- a/libs/audioflinger/AudioDumpInterface.h
+++ /dev/null
@@ -1,166 +0,0 @@
-/* //device/servers/AudioFlinger/AudioDumpInterface.h
-**
-** Copyright 2008, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-**     http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
-*/
-
-#ifndef ANDROID_AUDIO_DUMP_INTERFACE_H
-#define ANDROID_AUDIO_DUMP_INTERFACE_H
-
-#include <stdint.h>
-#include <sys/types.h>
-#include <utils/String8.h>
-#include <utils/SortedVector.h>
-
-#include <hardware_legacy/AudioHardwareBase.h>
-
-namespace android {
-
-#define AUDIO_DUMP_WAVE_HDR_SIZE 44
-
-class AudioDumpInterface;
-
-class AudioStreamOutDump : public AudioStreamOut {
-public:
-                        AudioStreamOutDump(AudioDumpInterface *interface,
-                                            int id,
-                                            AudioStreamOut* finalStream,
-                                            uint32_t devices,
-                                            int format,
-                                            uint32_t channels,
-                                            uint32_t sampleRate);
-                        ~AudioStreamOutDump();
-
-    virtual ssize_t     write(const void* buffer, size_t bytes);
-    virtual uint32_t    sampleRate() const;
-    virtual size_t      bufferSize() const;
-    virtual uint32_t    channels() const;
-    virtual int         format() const;
-    virtual uint32_t    latency() const;
-    virtual status_t    setVolume(float left, float right);
-    virtual status_t    standby();
-    virtual status_t    setParameters(const String8& keyValuePairs);
-    virtual String8     getParameters(const String8& keys);
-    virtual status_t    dump(int fd, const Vector<String16>& args);
-    void                Close(void);
-    AudioStreamOut*     finalStream() { return mFinalStream; }
-    uint32_t            device() { return mDevice; }
-    int                 getId()  { return mId; }
-    virtual status_t    getRenderPosition(uint32_t *dspFrames);
-
-private:
-    AudioDumpInterface *mInterface;
-    int                  mId;
-    uint32_t mSampleRate;               //
-    uint32_t mFormat;                   //
-    uint32_t mChannels;                 // output configuration
-    uint32_t mLatency;                  //
-    uint32_t mDevice;                   // current device this output is routed to
-    size_t  mBufferSize;
-    AudioStreamOut      *mFinalStream;
-    FILE                *mOutFile;      // output file
-    int                 mFileCount;
-};
-
-class AudioStreamInDump : public AudioStreamIn {
-public:
-                        AudioStreamInDump(AudioDumpInterface *interface,
-                                            int id,
-                                            AudioStreamIn* finalStream,
-                                            uint32_t devices,
-                                            int format,
-                                            uint32_t channels,
-                                            uint32_t sampleRate);
-                        ~AudioStreamInDump();
-
-    virtual uint32_t    sampleRate() const;
-    virtual size_t      bufferSize() const;
-    virtual uint32_t    channels() const;
-    virtual int         format() const;
-
-    virtual status_t    setGain(float gain);
-    virtual ssize_t     read(void* buffer, ssize_t bytes);
-    virtual status_t    standby();
-    virtual status_t    setParameters(const String8& keyValuePairs);
-    virtual String8     getParameters(const String8& keys);
-    virtual unsigned int  getInputFramesLost() const;
-    virtual status_t    dump(int fd, const Vector<String16>& args);
-    void                Close(void);
-    AudioStreamIn*     finalStream() { return mFinalStream; }
-    uint32_t            device() { return mDevice; }
-
-private:
-    AudioDumpInterface *mInterface;
-    int                  mId;
-    uint32_t mSampleRate;               //
-    uint32_t mFormat;                   //
-    uint32_t mChannels;                 // output configuration
-    uint32_t mDevice;                   // current device this output is routed to
-    size_t  mBufferSize;
-    AudioStreamIn      *mFinalStream;
-    FILE                *mInFile;      // output file
-};
-
-class AudioDumpInterface : public AudioHardwareBase
-{
-
-public:
-                        AudioDumpInterface(AudioHardwareInterface* hw);
-    virtual AudioStreamOut* openOutputStream(
-                                uint32_t devices,
-                                int *format=0,
-                                uint32_t *channels=0,
-                                uint32_t *sampleRate=0,
-                                status_t *status=0);
-    virtual    void        closeOutputStream(AudioStreamOut* out);
-
-    virtual             ~AudioDumpInterface();
-
-    virtual status_t    initCheck()
-                            {return mFinalInterface->initCheck();}
-    virtual status_t    setVoiceVolume(float volume)
-                            {return mFinalInterface->setVoiceVolume(volume);}
-    virtual status_t    setMasterVolume(float volume)
-                            {return mFinalInterface->setMasterVolume(volume);}
-
-    // mic mute
-    virtual status_t    setMicMute(bool state)
-                            {return mFinalInterface->setMicMute(state);}
-    virtual status_t    getMicMute(bool* state)
-                            {return mFinalInterface->getMicMute(state);}
-
-    virtual status_t    setParameters(const String8& keyValuePairs);
-    virtual String8     getParameters(const String8& keys);
-
-    virtual AudioStreamIn* openInputStream(uint32_t devices, int *format, uint32_t *channels,
-            uint32_t *sampleRate, status_t *status, AudioSystem::audio_in_acoustics acoustics);
-    virtual    void        closeInputStream(AudioStreamIn* in);
-
-    virtual status_t    dump(int fd, const Vector<String16>& args) { return mFinalInterface->dumpState(fd, args); }
-
-            String8     fileName() const { return mFileName; }
-protected:
-
-    AudioHardwareInterface          *mFinalInterface;
-    SortedVector<AudioStreamOutDump *>    mOutputs;
-    bool                            mFirstHwOutput;
-    SortedVector<AudioStreamInDump *>    mInputs;
-    Mutex                           mLock;
-    String8                         mPolicyCommands;
-    String8                         mFileName;
-};
-
-}; // namespace android
-
-#endif // ANDROID_AUDIO_DUMP_INTERFACE_H
diff --git a/libs/audioflinger/AudioFlinger.cpp b/libs/audioflinger/AudioFlinger.cpp
deleted file mode 100644
index 2414e8d..0000000
--- a/libs/audioflinger/AudioFlinger.cpp
+++ /dev/null
@@ -1,4055 +0,0 @@
-/* //device/include/server/AudioFlinger/AudioFlinger.cpp
-**
-** Copyright 2007, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-**     http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
-*/
-
-
-#define LOG_TAG "AudioFlinger"
-//#define LOG_NDEBUG 0
-
-#include <math.h>
-#include <signal.h>
-#include <sys/time.h>
-#include <sys/resource.h>
-
-#include <binder/IServiceManager.h>
-#include <utils/Log.h>
-#include <binder/Parcel.h>
-#include <binder/IPCThreadState.h>
-#include <utils/String16.h>
-#include <utils/threads.h>
-
-#include <cutils/properties.h>
-
-#include <media/AudioTrack.h>
-#include <media/AudioRecord.h>
-
-#include <private/media/AudioTrackShared.h>
-
-#include <hardware_legacy/AudioHardwareInterface.h>
-
-#include "AudioMixer.h"
-#include "AudioFlinger.h"
-
-#ifdef WITH_A2DP
-#include "A2dpAudioInterface.h"
-#endif
-
-#ifdef LVMX
-#include "lifevibes.h"
-#endif
-
-// ----------------------------------------------------------------------------
-// the sim build doesn't have gettid
-
-#ifndef HAVE_GETTID
-# define gettid getpid
-#endif
-
-// ----------------------------------------------------------------------------
-
-namespace android {
-
-static const char* kDeadlockedString = "AudioFlinger may be deadlocked\n";
-static const char* kHardwareLockedString = "Hardware lock is taken\n";
-
-//static const nsecs_t kStandbyTimeInNsecs = seconds(3);
-static const float MAX_GAIN = 4096.0f;
-
-// retry counts for buffer fill timeout
-// 50 * ~20msecs = 1 second
-static const int8_t kMaxTrackRetries = 50;
-static const int8_t kMaxTrackStartupRetries = 50;
-// allow less retry attempts on direct output thread.
-// direct outputs can be a scarce resource in audio hardware and should
-// be released as quickly as possible.
-static const int8_t kMaxTrackRetriesDirect = 2;
-
-static const int kDumpLockRetries = 50;
-static const int kDumpLockSleep = 20000;
-
-static const nsecs_t kWarningThrottle = seconds(5);
-
-
-#define AUDIOFLINGER_SECURITY_ENABLED 1
-
-// ----------------------------------------------------------------------------
-
-static bool recordingAllowed() {
-#ifndef HAVE_ANDROID_OS
-    return true;
-#endif
-#if AUDIOFLINGER_SECURITY_ENABLED
-    if (getpid() == IPCThreadState::self()->getCallingPid()) return true;
-    bool ok = checkCallingPermission(String16("android.permission.RECORD_AUDIO"));
-    if (!ok) LOGE("Request requires android.permission.RECORD_AUDIO");
-    return ok;
-#else
-    if (!checkCallingPermission(String16("android.permission.RECORD_AUDIO")))
-        LOGW("WARNING: Need to add android.permission.RECORD_AUDIO to manifest");
-    return true;
-#endif
-}
-
-static bool settingsAllowed() {
-#ifndef HAVE_ANDROID_OS
-    return true;
-#endif
-#if AUDIOFLINGER_SECURITY_ENABLED
-    if (getpid() == IPCThreadState::self()->getCallingPid()) return true;
-    bool ok = checkCallingPermission(String16("android.permission.MODIFY_AUDIO_SETTINGS"));
-    if (!ok) LOGE("Request requires android.permission.MODIFY_AUDIO_SETTINGS");
-    return ok;
-#else
-    if (!checkCallingPermission(String16("android.permission.MODIFY_AUDIO_SETTINGS")))
-        LOGW("WARNING: Need to add android.permission.MODIFY_AUDIO_SETTINGS to manifest");
-    return true;
-#endif
-}
-
-// ----------------------------------------------------------------------------
-
-AudioFlinger::AudioFlinger()
-    : BnAudioFlinger(),
-        mAudioHardware(0), mMasterVolume(1.0f), mMasterMute(false), mNextThreadId(0)
-{
-    mHardwareStatus = AUDIO_HW_IDLE;
-
-    mAudioHardware = AudioHardwareInterface::create();
-
-    mHardwareStatus = AUDIO_HW_INIT;
-    if (mAudioHardware->initCheck() == NO_ERROR) {
-        // open 16-bit output stream for s/w mixer
-
-        setMode(AudioSystem::MODE_NORMAL);
-
-        setMasterVolume(1.0f);
-        setMasterMute(false);
-    } else {
-        LOGE("Couldn't even initialize the stubbed audio hardware!");
-    }
-#ifdef LVMX
-    LifeVibes::init();
-#endif
-}
-
-AudioFlinger::~AudioFlinger()
-{
-    while (!mRecordThreads.isEmpty()) {
-        // closeInput() will remove first entry from mRecordThreads
-        closeInput(mRecordThreads.keyAt(0));
-    }
-    while (!mPlaybackThreads.isEmpty()) {
-        // closeOutput() will remove first entry from mPlaybackThreads
-        closeOutput(mPlaybackThreads.keyAt(0));
-    }
-    if (mAudioHardware) {
-        delete mAudioHardware;
-    }
-}
-
-
-
-status_t AudioFlinger::dumpClients(int fd, const Vector<String16>& args)
-{
-    const size_t SIZE = 256;
-    char buffer[SIZE];
-    String8 result;
-
-    result.append("Clients:\n");
-    for (size_t i = 0; i < mClients.size(); ++i) {
-        wp<Client> wClient = mClients.valueAt(i);
-        if (wClient != 0) {
-            sp<Client> client = wClient.promote();
-            if (client != 0) {
-                snprintf(buffer, SIZE, "  pid: %d\n", client->pid());
-                result.append(buffer);
-            }
-        }
-    }
-    write(fd, result.string(), result.size());
-    return NO_ERROR;
-}
-
-
-status_t AudioFlinger::dumpInternals(int fd, const Vector<String16>& args)
-{
-    const size_t SIZE = 256;
-    char buffer[SIZE];
-    String8 result;
-    int hardwareStatus = mHardwareStatus;
-
-    snprintf(buffer, SIZE, "Hardware status: %d\n", hardwareStatus);
-    result.append(buffer);
-    write(fd, result.string(), result.size());
-    return NO_ERROR;
-}
-
-status_t AudioFlinger::dumpPermissionDenial(int fd, const Vector<String16>& args)
-{
-    const size_t SIZE = 256;
-    char buffer[SIZE];
-    String8 result;
-    snprintf(buffer, SIZE, "Permission Denial: "
-            "can't dump AudioFlinger from pid=%d, uid=%d\n",
-            IPCThreadState::self()->getCallingPid(),
-            IPCThreadState::self()->getCallingUid());
-    result.append(buffer);
-    write(fd, result.string(), result.size());
-    return NO_ERROR;
-}
-
-static bool tryLock(Mutex& mutex)
-{
-    bool locked = false;
-    for (int i = 0; i < kDumpLockRetries; ++i) {
-        if (mutex.tryLock() == NO_ERROR) {
-            locked = true;
-            break;
-        }
-        usleep(kDumpLockSleep);
-    }
-    return locked;
-}
-
-status_t AudioFlinger::dump(int fd, const Vector<String16>& args)
-{
-    if (checkCallingPermission(String16("android.permission.DUMP")) == false) {
-        dumpPermissionDenial(fd, args);
-    } else {
-        // get state of hardware lock
-        bool hardwareLocked = tryLock(mHardwareLock);
-        if (!hardwareLocked) {
-            String8 result(kHardwareLockedString);
-            write(fd, result.string(), result.size());
-        } else {
-            mHardwareLock.unlock();
-        }
-
-        bool locked = tryLock(mLock);
-
-        // failed to lock - AudioFlinger is probably deadlocked
-        if (!locked) {
-            String8 result(kDeadlockedString);
-            write(fd, result.string(), result.size());
-        }
-
-        dumpClients(fd, args);
-        dumpInternals(fd, args);
-
-        // dump playback threads
-        for (size_t i = 0; i < mPlaybackThreads.size(); i++) {
-            mPlaybackThreads.valueAt(i)->dump(fd, args);
-        }
-
-        // dump record threads
-        for (size_t i = 0; i < mRecordThreads.size(); i++) {
-            mRecordThreads.valueAt(i)->dump(fd, args);
-        }
-
-        if (mAudioHardware) {
-            mAudioHardware->dumpState(fd, args);
-        }
-        if (locked) mLock.unlock();
-    }
-    return NO_ERROR;
-}
-
-
-// IAudioFlinger interface
-
-
-sp<IAudioTrack> AudioFlinger::createTrack(
-        pid_t pid,
-        int streamType,
-        uint32_t sampleRate,
-        int format,
-        int channelCount,
-        int frameCount,
-        uint32_t flags,
-        const sp<IMemory>& sharedBuffer,
-        int output,
-        status_t *status)
-{
-    sp<PlaybackThread::Track> track;
-    sp<TrackHandle> trackHandle;
-    sp<Client> client;
-    wp<Client> wclient;
-    status_t lStatus;
-
-    if (streamType >= AudioSystem::NUM_STREAM_TYPES) {
-        LOGE("invalid stream type");
-        lStatus = BAD_VALUE;
-        goto Exit;
-    }
-
-    {
-        Mutex::Autolock _l(mLock);
-        PlaybackThread *thread = checkPlaybackThread_l(output);
-        if (thread == NULL) {
-            LOGE("unknown output thread");
-            lStatus = BAD_VALUE;
-            goto Exit;
-        }
-
-        wclient = mClients.valueFor(pid);
-
-        if (wclient != NULL) {
-            client = wclient.promote();
-        } else {
-            client = new Client(this, pid);
-            mClients.add(pid, client);
-        }
-        track = thread->createTrack_l(client, streamType, sampleRate, format,
-                channelCount, frameCount, sharedBuffer, &lStatus);
-    }
-    if (lStatus == NO_ERROR) {
-        trackHandle = new TrackHandle(track);
-    } else {
-        // remove local strong reference to Client before deleting the Track so that the Client
-        // destructor is called by the TrackBase destructor with mLock held
-        client.clear();
-        track.clear();
-    }
-
-Exit:
-    if(status) {
-        *status = lStatus;
-    }
-    return trackHandle;
-}
-
-uint32_t AudioFlinger::sampleRate(int output) const
-{
-    Mutex::Autolock _l(mLock);
-    PlaybackThread *thread = checkPlaybackThread_l(output);
-    if (thread == NULL) {
-        LOGW("sampleRate() unknown thread %d", output);
-        return 0;
-    }
-    return thread->sampleRate();
-}
-
-int AudioFlinger::channelCount(int output) const
-{
-    Mutex::Autolock _l(mLock);
-    PlaybackThread *thread = checkPlaybackThread_l(output);
-    if (thread == NULL) {
-        LOGW("channelCount() unknown thread %d", output);
-        return 0;
-    }
-    return thread->channelCount();
-}
-
-int AudioFlinger::format(int output) const
-{
-    Mutex::Autolock _l(mLock);
-    PlaybackThread *thread = checkPlaybackThread_l(output);
-    if (thread == NULL) {
-        LOGW("format() unknown thread %d", output);
-        return 0;
-    }
-    return thread->format();
-}
-
-size_t AudioFlinger::frameCount(int output) const
-{
-    Mutex::Autolock _l(mLock);
-    PlaybackThread *thread = checkPlaybackThread_l(output);
-    if (thread == NULL) {
-        LOGW("frameCount() unknown thread %d", output);
-        return 0;
-    }
-    return thread->frameCount();
-}
-
-uint32_t AudioFlinger::latency(int output) const
-{
-    Mutex::Autolock _l(mLock);
-    PlaybackThread *thread = checkPlaybackThread_l(output);
-    if (thread == NULL) {
-        LOGW("latency() unknown thread %d", output);
-        return 0;
-    }
-    return thread->latency();
-}
-
-status_t AudioFlinger::setMasterVolume(float value)
-{
-    // check calling permissions
-    if (!settingsAllowed()) {
-        return PERMISSION_DENIED;
-    }
-
-    // when hw supports master volume, don't scale in sw mixer
-    AutoMutex lock(mHardwareLock);
-    mHardwareStatus = AUDIO_HW_SET_MASTER_VOLUME;
-    if (mAudioHardware->setMasterVolume(value) == NO_ERROR) {
-        value = 1.0f;
-    }
-    mHardwareStatus = AUDIO_HW_IDLE;
-
-    mMasterVolume = value;
-    for (uint32_t i = 0; i < mPlaybackThreads.size(); i++)
-       mPlaybackThreads.valueAt(i)->setMasterVolume(value);
-
-    return NO_ERROR;
-}
-
-status_t AudioFlinger::setMode(int mode)
-{
-    // check calling permissions
-    if (!settingsAllowed()) {
-        return PERMISSION_DENIED;
-    }
-    if ((mode < 0) || (mode >= AudioSystem::NUM_MODES)) {
-        LOGW("Illegal value: setMode(%d)", mode);
-        return BAD_VALUE;
-    }
-
-    AutoMutex lock(mHardwareLock);
-    mHardwareStatus = AUDIO_HW_SET_MODE;
-    status_t ret = mAudioHardware->setMode(mode);
-#ifdef LVMX
-    if (NO_ERROR == ret) {
-        LifeVibes::setMode(mode);
-    }
-#endif
-    mHardwareStatus = AUDIO_HW_IDLE;
-    return ret;
-}
-
-status_t AudioFlinger::setMicMute(bool state)
-{
-    // check calling permissions
-    if (!settingsAllowed()) {
-        return PERMISSION_DENIED;
-    }
-
-    AutoMutex lock(mHardwareLock);
-    mHardwareStatus = AUDIO_HW_SET_MIC_MUTE;
-    status_t ret = mAudioHardware->setMicMute(state);
-    mHardwareStatus = AUDIO_HW_IDLE;
-    return ret;
-}
-
-bool AudioFlinger::getMicMute() const
-{
-    bool state = AudioSystem::MODE_INVALID;
-    mHardwareStatus = AUDIO_HW_GET_MIC_MUTE;
-    mAudioHardware->getMicMute(&state);
-    mHardwareStatus = AUDIO_HW_IDLE;
-    return state;
-}
-
-status_t AudioFlinger::setMasterMute(bool muted)
-{
-    // check calling permissions
-    if (!settingsAllowed()) {
-        return PERMISSION_DENIED;
-    }
-
-    mMasterMute = muted;
-    for (uint32_t i = 0; i < mPlaybackThreads.size(); i++)
-       mPlaybackThreads.valueAt(i)->setMasterMute(muted);
-
-    return NO_ERROR;
-}
-
-float AudioFlinger::masterVolume() const
-{
-    return mMasterVolume;
-}
-
-bool AudioFlinger::masterMute() const
-{
-    return mMasterMute;
-}
-
-status_t AudioFlinger::setStreamVolume(int stream, float value, int output)
-{
-    // check calling permissions
-    if (!settingsAllowed()) {
-        return PERMISSION_DENIED;
-    }
-
-    if (stream < 0 || uint32_t(stream) >= AudioSystem::NUM_STREAM_TYPES) {
-        return BAD_VALUE;
-    }
-
-    AutoMutex lock(mLock);
-    PlaybackThread *thread = NULL;
-    if (output) {
-        thread = checkPlaybackThread_l(output);
-        if (thread == NULL) {
-            return BAD_VALUE;
-        }
-    }
-
-    mStreamTypes[stream].volume = value;
-
-    if (thread == NULL) {
-        for (uint32_t i = 0; i < mPlaybackThreads.size(); i++) {
-           mPlaybackThreads.valueAt(i)->setStreamVolume(stream, value);
-        }
-    } else {
-        thread->setStreamVolume(stream, value);
-    }
-
-    return NO_ERROR;
-}
-
-status_t AudioFlinger::setStreamMute(int stream, bool muted)
-{
-    // check calling permissions
-    if (!settingsAllowed()) {
-        return PERMISSION_DENIED;
-    }
-
-    if (stream < 0 || uint32_t(stream) >= AudioSystem::NUM_STREAM_TYPES ||
-        uint32_t(stream) == AudioSystem::ENFORCED_AUDIBLE) {
-        return BAD_VALUE;
-    }
-
-    mStreamTypes[stream].mute = muted;
-    for (uint32_t i = 0; i < mPlaybackThreads.size(); i++)
-       mPlaybackThreads.valueAt(i)->setStreamMute(stream, muted);
-
-    return NO_ERROR;
-}
-
-float AudioFlinger::streamVolume(int stream, int output) const
-{
-    if (stream < 0 || uint32_t(stream) >= AudioSystem::NUM_STREAM_TYPES) {
-        return 0.0f;
-    }
-
-    AutoMutex lock(mLock);
-    float volume;
-    if (output) {
-        PlaybackThread *thread = checkPlaybackThread_l(output);
-        if (thread == NULL) {
-            return 0.0f;
-        }
-        volume = thread->streamVolume(stream);
-    } else {
-        volume = mStreamTypes[stream].volume;
-    }
-
-    return volume;
-}
-
-bool AudioFlinger::streamMute(int stream) const
-{
-    if (stream < 0 || stream >= (int)AudioSystem::NUM_STREAM_TYPES) {
-        return true;
-    }
-
-    return mStreamTypes[stream].mute;
-}
-
-bool AudioFlinger::isStreamActive(int stream) const
-{
-    Mutex::Autolock _l(mLock);
-    for (uint32_t i = 0; i < mPlaybackThreads.size(); i++) {
-        if (mPlaybackThreads.valueAt(i)->isStreamActive(stream)) {
-            return true;
-        }
-    }
-    return false;
-}
-
-status_t AudioFlinger::setParameters(int ioHandle, const String8& keyValuePairs)
-{
-    status_t result;
-
-    LOGV("setParameters(): io %d, keyvalue %s, tid %d, calling tid %d",
-            ioHandle, keyValuePairs.string(), gettid(), IPCThreadState::self()->getCallingPid());
-    // check calling permissions
-    if (!settingsAllowed()) {
-        return PERMISSION_DENIED;
-    }
-
-#ifdef LVMX
-    AudioParameter param = AudioParameter(keyValuePairs);
-    LifeVibes::setParameters(ioHandle,keyValuePairs);
-    String8 key = String8(AudioParameter::keyRouting);
-    int device;
-    if (NO_ERROR != param.getInt(key, device)) {
-        device = -1;
-    }
-
-    key = String8(LifevibesTag);
-    String8 value;
-    int musicEnabled = -1;
-    if (NO_ERROR == param.get(key, value)) {
-        if (value == LifevibesEnable) {
-            musicEnabled = 1;
-        } else if (value == LifevibesDisable) {
-            musicEnabled = 0;
-        }
-    }
-#endif
-
-    // ioHandle == 0 means the parameters are global to the audio hardware interface
-    if (ioHandle == 0) {
-        AutoMutex lock(mHardwareLock);
-        mHardwareStatus = AUDIO_SET_PARAMETER;
-        result = mAudioHardware->setParameters(keyValuePairs);
-#ifdef LVMX
-        if ((NO_ERROR == result) && (musicEnabled != -1)) {
-            LifeVibes::enableMusic((bool) musicEnabled);
-        }
-#endif
-        mHardwareStatus = AUDIO_HW_IDLE;
-        return result;
-    }
-
-    // hold a strong ref on thread in case closeOutput() or closeInput() is called
-    // and the thread is exited once the lock is released
-    sp<ThreadBase> thread;
-    {
-        Mutex::Autolock _l(mLock);
-        thread = checkPlaybackThread_l(ioHandle);
-        if (thread == NULL) {
-            thread = checkRecordThread_l(ioHandle);
-        }
-    }
-    if (thread != NULL) {
-        result = thread->setParameters(keyValuePairs);
-#ifdef LVMX
-        if ((NO_ERROR == result) && (device != -1)) {
-            LifeVibes::setDevice(LifeVibes::threadIdToAudioOutputType(thread->id()), device);
-        }
-#endif
-        return result;
-    }
-    return BAD_VALUE;
-}
-
-String8 AudioFlinger::getParameters(int ioHandle, const String8& keys)
-{
-//    LOGV("getParameters() io %d, keys %s, tid %d, calling tid %d",
-//            ioHandle, keys.string(), gettid(), IPCThreadState::self()->getCallingPid());
-
-    if (ioHandle == 0) {
-        return mAudioHardware->getParameters(keys);
-    }
-
-    Mutex::Autolock _l(mLock);
-
-    PlaybackThread *playbackThread = checkPlaybackThread_l(ioHandle);
-    if (playbackThread != NULL) {
-        return playbackThread->getParameters(keys);
-    }
-    RecordThread *recordThread = checkRecordThread_l(ioHandle);
-    if (recordThread != NULL) {
-        return recordThread->getParameters(keys);
-    }
-    return String8("");
-}
-
-size_t AudioFlinger::getInputBufferSize(uint32_t sampleRate, int format, int channelCount)
-{
-    return mAudioHardware->getInputBufferSize(sampleRate, format, channelCount);
-}
-
-unsigned int AudioFlinger::getInputFramesLost(int ioHandle)
-{
-    if (ioHandle == 0) {
-        return 0;
-    }
-
-    Mutex::Autolock _l(mLock);
-
-    RecordThread *recordThread = checkRecordThread_l(ioHandle);
-    if (recordThread != NULL) {
-        return recordThread->getInputFramesLost();
-    }
-    return 0;
-}
-
-status_t AudioFlinger::setVoiceVolume(float value)
-{
-    // check calling permissions
-    if (!settingsAllowed()) {
-        return PERMISSION_DENIED;
-    }
-
-    AutoMutex lock(mHardwareLock);
-    mHardwareStatus = AUDIO_SET_VOICE_VOLUME;
-    status_t ret = mAudioHardware->setVoiceVolume(value);
-    mHardwareStatus = AUDIO_HW_IDLE;
-
-    return ret;
-}
-
-status_t AudioFlinger::getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames, int output)
-{
-    status_t status;
-
-    Mutex::Autolock _l(mLock);
-
-    PlaybackThread *playbackThread = checkPlaybackThread_l(output);
-    if (playbackThread != NULL) {
-        return playbackThread->getRenderPosition(halFrames, dspFrames);
-    }
-
-    return BAD_VALUE;
-}
-
-void AudioFlinger::registerClient(const sp<IAudioFlingerClient>& client)
-{
-
-    LOGV("registerClient() %p, tid %d, calling tid %d", client.get(), gettid(), IPCThreadState::self()->getCallingPid());
-    Mutex::Autolock _l(mLock);
-
-    sp<IBinder> binder = client->asBinder();
-    if (mNotificationClients.indexOf(binder) < 0) {
-        LOGV("Adding notification client %p", binder.get());
-        binder->linkToDeath(this);
-        mNotificationClients.add(binder);
-    }
-
-    // the config change is always sent from playback or record threads to avoid deadlock
-    // with AudioSystem::gLock
-    for (size_t i = 0; i < mPlaybackThreads.size(); i++) {
-        mPlaybackThreads.valueAt(i)->sendConfigEvent(AudioSystem::OUTPUT_OPENED);
-    }
-
-    for (size_t i = 0; i < mRecordThreads.size(); i++) {
-        mRecordThreads.valueAt(i)->sendConfigEvent(AudioSystem::INPUT_OPENED);
-    }
-}
-
-void AudioFlinger::binderDied(const wp<IBinder>& who) {
-
-    LOGV("binderDied() %p, tid %d, calling tid %d", who.unsafe_get(), gettid(), IPCThreadState::self()->getCallingPid());
-    Mutex::Autolock _l(mLock);
-
-    IBinder *binder = who.unsafe_get();
-
-    if (binder != NULL) {
-        int index = mNotificationClients.indexOf(binder);
-        if (index >= 0) {
-            LOGV("Removing notification client %p", binder);
-            mNotificationClients.removeAt(index);
-        }
-    }
-}
-
-// audioConfigChanged_l() must be called with AudioFlinger::mLock held
-void AudioFlinger::audioConfigChanged_l(int event, int ioHandle, void *param2) {
-    size_t size = mNotificationClients.size();
-    for (size_t i = 0; i < size; i++) {
-        sp<IBinder> binder = mNotificationClients.itemAt(i);
-        LOGV("audioConfigChanged_l() Notifying change to client %p", binder.get());
-        sp<IAudioFlingerClient> client = interface_cast<IAudioFlingerClient> (binder);
-        client->ioConfigChanged(event, ioHandle, param2);
-    }
-}
-
-// removeClient_l() must be called with AudioFlinger::mLock held
-void AudioFlinger::removeClient_l(pid_t pid)
-{
-    LOGV("removeClient_l() pid %d, tid %d, calling tid %d", pid, gettid(), IPCThreadState::self()->getCallingPid());
-    mClients.removeItem(pid);
-}
-
-// ----------------------------------------------------------------------------
-
-AudioFlinger::ThreadBase::ThreadBase(const sp<AudioFlinger>& audioFlinger, int id)
-    :   Thread(false),
-        mAudioFlinger(audioFlinger), mSampleRate(0), mFrameCount(0), mChannelCount(0),
-        mFormat(0), mFrameSize(1), mStandby(false), mId(id), mExiting(false)
-{
-}
-
-AudioFlinger::ThreadBase::~ThreadBase()
-{
-    mParamCond.broadcast();
-    mNewParameters.clear();
-}
-
-void AudioFlinger::ThreadBase::exit()
-{
-    // keep a strong ref on ourself so that we wont get
-    // destroyed in the middle of requestExitAndWait()
-    sp <ThreadBase> strongMe = this;
-
-    LOGV("ThreadBase::exit");
-    {
-        AutoMutex lock(&mLock);
-        mExiting = true;
-        requestExit();
-        mWaitWorkCV.signal();
-    }
-    requestExitAndWait();
-}
-
-uint32_t AudioFlinger::ThreadBase::sampleRate() const
-{
-    return mSampleRate;
-}
-
-int AudioFlinger::ThreadBase::channelCount() const
-{
-    return mChannelCount;
-}
-
-int AudioFlinger::ThreadBase::format() const
-{
-    return mFormat;
-}
-
-size_t AudioFlinger::ThreadBase::frameCount() const
-{
-    return mFrameCount;
-}
-
-status_t AudioFlinger::ThreadBase::setParameters(const String8& keyValuePairs)
-{
-    status_t status;
-
-    LOGV("ThreadBase::setParameters() %s", keyValuePairs.string());
-    Mutex::Autolock _l(mLock);
-
-    mNewParameters.add(keyValuePairs);
-    mWaitWorkCV.signal();
-    // wait condition with timeout in case the thread loop has exited
-    // before the request could be processed
-    if (mParamCond.waitRelative(mLock, seconds(2)) == NO_ERROR) {
-        status = mParamStatus;
-        mWaitWorkCV.signal();
-    } else {
-        status = TIMED_OUT;
-    }
-    return status;
-}
-
-void AudioFlinger::ThreadBase::sendConfigEvent(int event, int param)
-{
-    Mutex::Autolock _l(mLock);
-    sendConfigEvent_l(event, param);
-}
-
-// sendConfigEvent_l() must be called with ThreadBase::mLock held
-void AudioFlinger::ThreadBase::sendConfigEvent_l(int event, int param)
-{
-    ConfigEvent *configEvent = new ConfigEvent();
-    configEvent->mEvent = event;
-    configEvent->mParam = param;
-    mConfigEvents.add(configEvent);
-    LOGV("sendConfigEvent() num events %d event %d, param %d", mConfigEvents.size(), event, param);
-    mWaitWorkCV.signal();
-}
-
-void AudioFlinger::ThreadBase::processConfigEvents()
-{
-    mLock.lock();
-    while(!mConfigEvents.isEmpty()) {
-        LOGV("processConfigEvents() remaining events %d", mConfigEvents.size());
-        ConfigEvent *configEvent = mConfigEvents[0];
-        mConfigEvents.removeAt(0);
-        // release mLock because audioConfigChanged() will lock AudioFlinger mLock
-        // before calling Audioflinger::audioConfigChanged_l() thus creating
-        // potential cross deadlock between AudioFlinger::mLock and mLock
-        mLock.unlock();
-        audioConfigChanged(configEvent->mEvent, configEvent->mParam);
-        delete configEvent;
-        mLock.lock();
-    }
-    mLock.unlock();
-}
-
-status_t AudioFlinger::ThreadBase::dumpBase(int fd, const Vector<String16>& args)
-{
-    const size_t SIZE = 256;
-    char buffer[SIZE];
-    String8 result;
-
-    bool locked = tryLock(mLock);
-    if (!locked) {
-        snprintf(buffer, SIZE, "thread %p maybe dead locked\n", this);
-        write(fd, buffer, strlen(buffer));
-    }
-
-    snprintf(buffer, SIZE, "standby: %d\n", mStandby);
-    result.append(buffer);
-    snprintf(buffer, SIZE, "Sample rate: %d\n", mSampleRate);
-    result.append(buffer);
-    snprintf(buffer, SIZE, "Frame count: %d\n", mFrameCount);
-    result.append(buffer);
-    snprintf(buffer, SIZE, "Channel Count: %d\n", mChannelCount);
-    result.append(buffer);
-    snprintf(buffer, SIZE, "Format: %d\n", mFormat);
-    result.append(buffer);
-    snprintf(buffer, SIZE, "Frame size: %d\n", mFrameSize);
-    result.append(buffer);
-
-    snprintf(buffer, SIZE, "\nPending setParameters commands: \n");
-    result.append(buffer);
-    result.append(" Index Command");
-    for (size_t i = 0; i < mNewParameters.size(); ++i) {
-        snprintf(buffer, SIZE, "\n %02d    ", i);
-        result.append(buffer);
-        result.append(mNewParameters[i]);
-    }
-
-    snprintf(buffer, SIZE, "\n\nPending config events: \n");
-    result.append(buffer);
-    snprintf(buffer, SIZE, " Index event param\n");
-    result.append(buffer);
-    for (size_t i = 0; i < mConfigEvents.size(); i++) {
-        snprintf(buffer, SIZE, " %02d    %02d    %d\n", i, mConfigEvents[i]->mEvent, mConfigEvents[i]->mParam);
-        result.append(buffer);
-    }
-    result.append("\n");
-
-    write(fd, result.string(), result.size());
-
-    if (locked) {
-        mLock.unlock();
-    }
-    return NO_ERROR;
-}
-
-
-// ----------------------------------------------------------------------------
-
-AudioFlinger::PlaybackThread::PlaybackThread(const sp<AudioFlinger>& audioFlinger, AudioStreamOut* output, int id)
-    :   ThreadBase(audioFlinger, id),
-        mMixBuffer(0), mSuspended(0), mBytesWritten(0), mOutput(output),
-        mLastWriteTime(0), mNumWrites(0), mNumDelayedWrites(0), mInWrite(false)
-{
-    readOutputParameters();
-
-    mMasterVolume = mAudioFlinger->masterVolume();
-    mMasterMute = mAudioFlinger->masterMute();
-
-    for (int stream = 0; stream < AudioSystem::NUM_STREAM_TYPES; stream++) {
-        mStreamTypes[stream].volume = mAudioFlinger->streamVolumeInternal(stream);
-        mStreamTypes[stream].mute = mAudioFlinger->streamMute(stream);
-    }
-    // notify client processes that a new input has been opened
-    sendConfigEvent(AudioSystem::OUTPUT_OPENED);
-}
-
-AudioFlinger::PlaybackThread::~PlaybackThread()
-{
-    delete [] mMixBuffer;
-}
-
-status_t AudioFlinger::PlaybackThread::dump(int fd, const Vector<String16>& args)
-{
-    dumpInternals(fd, args);
-    dumpTracks(fd, args);
-    return NO_ERROR;
-}
-
-status_t AudioFlinger::PlaybackThread::dumpTracks(int fd, const Vector<String16>& args)
-{
-    const size_t SIZE = 256;
-    char buffer[SIZE];
-    String8 result;
-
-    snprintf(buffer, SIZE, "Output thread %p tracks\n", this);
-    result.append(buffer);
-    result.append("   Name Clien Typ Fmt Chn Buf  S M F SRate  LeftV RighV Serv     User\n");
-    for (size_t i = 0; i < mTracks.size(); ++i) {
-        sp<Track> track = mTracks[i];
-        if (track != 0) {
-            track->dump(buffer, SIZE);
-            result.append(buffer);
-        }
-    }
-
-    snprintf(buffer, SIZE, "Output thread %p active tracks\n", this);
-    result.append(buffer);
-    result.append("   Name Clien Typ Fmt Chn Buf  S M F SRate  LeftV RighV Serv     User\n");
-    for (size_t i = 0; i < mActiveTracks.size(); ++i) {
-        wp<Track> wTrack = mActiveTracks[i];
-        if (wTrack != 0) {
-            sp<Track> track = wTrack.promote();
-            if (track != 0) {
-                track->dump(buffer, SIZE);
-                result.append(buffer);
-            }
-        }
-    }
-    write(fd, result.string(), result.size());
-    return NO_ERROR;
-}
-
-status_t AudioFlinger::PlaybackThread::dumpInternals(int fd, const Vector<String16>& args)
-{
-    const size_t SIZE = 256;
-    char buffer[SIZE];
-    String8 result;
-
-    snprintf(buffer, SIZE, "\nOutput thread %p internals\n", this);
-    result.append(buffer);
-    snprintf(buffer, SIZE, "last write occurred (msecs): %llu\n", ns2ms(systemTime() - mLastWriteTime));
-    result.append(buffer);
-    snprintf(buffer, SIZE, "total writes: %d\n", mNumWrites);
-    result.append(buffer);
-    snprintf(buffer, SIZE, "delayed writes: %d\n", mNumDelayedWrites);
-    result.append(buffer);
-    snprintf(buffer, SIZE, "blocked in write: %d\n", mInWrite);
-    result.append(buffer);
-    snprintf(buffer, SIZE, "suspend count: %d\n", mSuspended);
-    result.append(buffer);
-    write(fd, result.string(), result.size());
-
-    dumpBase(fd, args);
-
-    return NO_ERROR;
-}
-
-// Thread virtuals
-status_t AudioFlinger::PlaybackThread::readyToRun()
-{
-    if (mSampleRate == 0) {
-        LOGE("No working audio driver found.");
-        return NO_INIT;
-    }
-    LOGI("AudioFlinger's thread %p ready to run", this);
-    return NO_ERROR;
-}
-
-void AudioFlinger::PlaybackThread::onFirstRef()
-{
-    const size_t SIZE = 256;
-    char buffer[SIZE];
-
-    snprintf(buffer, SIZE, "Playback Thread %p", this);
-
-    run(buffer, ANDROID_PRIORITY_URGENT_AUDIO);
-}
-
-// PlaybackThread::createTrack_l() must be called with AudioFlinger::mLock held
-sp<AudioFlinger::PlaybackThread::Track>  AudioFlinger::PlaybackThread::createTrack_l(
-        const sp<AudioFlinger::Client>& client,
-        int streamType,
-        uint32_t sampleRate,
-        int format,
-        int channelCount,
-        int frameCount,
-        const sp<IMemory>& sharedBuffer,
-        status_t *status)
-{
-    sp<Track> track;
-    status_t lStatus;
-
-    if (mType == DIRECT) {
-        if (sampleRate != mSampleRate || format != mFormat || channelCount != mChannelCount) {
-            LOGE("createTrack_l() Bad parameter:  sampleRate %d format %d, channelCount %d for output %p",
-                 sampleRate, format, channelCount, mOutput);
-            lStatus = BAD_VALUE;
-            goto Exit;
-        }
-    } else {
-        // Resampler implementation limits input sampling rate to 2 x output sampling rate.
-        if (sampleRate > mSampleRate*2) {
-            LOGE("Sample rate out of range: %d mSampleRate %d", sampleRate, mSampleRate);
-            lStatus = BAD_VALUE;
-            goto Exit;
-        }
-    }
-
-    if (mOutput == 0) {
-        LOGE("Audio driver not initialized.");
-        lStatus = NO_INIT;
-        goto Exit;
-    }
-
-    { // scope for mLock
-        Mutex::Autolock _l(mLock);
-        track = new Track(this, client, streamType, sampleRate, format,
-                channelCount, frameCount, sharedBuffer);
-        if (track->getCblk() == NULL || track->name() < 0) {
-            lStatus = NO_MEMORY;
-            goto Exit;
-        }
-        mTracks.add(track);
-    }
-    lStatus = NO_ERROR;
-
-Exit:
-    if(status) {
-        *status = lStatus;
-    }
-    return track;
-}
-
-uint32_t AudioFlinger::PlaybackThread::latency() const
-{
-    if (mOutput) {
-        return mOutput->latency();
-    }
-    else {
-        return 0;
-    }
-}
-
-status_t AudioFlinger::PlaybackThread::setMasterVolume(float value)
-{
-#ifdef LVMX
-    int audioOutputType = LifeVibes::getMixerType(mId, mType);
-    if (LifeVibes::audioOutputTypeIsLifeVibes(audioOutputType)) {
-        LifeVibes::setMasterVolume(audioOutputType, value);
-    }
-#endif
-    mMasterVolume = value;
-    return NO_ERROR;
-}
-
-status_t AudioFlinger::PlaybackThread::setMasterMute(bool muted)
-{
-#ifdef LVMX
-    int audioOutputType = LifeVibes::getMixerType(mId, mType);
-    if (LifeVibes::audioOutputTypeIsLifeVibes(audioOutputType)) {
-        LifeVibes::setMasterMute(audioOutputType, muted);
-    }
-#endif
-    mMasterMute = muted;
-    return NO_ERROR;
-}
-
-float AudioFlinger::PlaybackThread::masterVolume() const
-{
-    return mMasterVolume;
-}
-
-bool AudioFlinger::PlaybackThread::masterMute() const
-{
-    return mMasterMute;
-}
-
-status_t AudioFlinger::PlaybackThread::setStreamVolume(int stream, float value)
-{
-#ifdef LVMX
-    int audioOutputType = LifeVibes::getMixerType(mId, mType);
-    if (LifeVibes::audioOutputTypeIsLifeVibes(audioOutputType)) {
-        LifeVibes::setStreamVolume(audioOutputType, stream, value);
-    }
-#endif
-    mStreamTypes[stream].volume = value;
-    return NO_ERROR;
-}
-
-status_t AudioFlinger::PlaybackThread::setStreamMute(int stream, bool muted)
-{
-#ifdef LVMX
-    int audioOutputType = LifeVibes::getMixerType(mId, mType);
-    if (LifeVibes::audioOutputTypeIsLifeVibes(audioOutputType)) {
-        LifeVibes::setStreamMute(audioOutputType, stream, muted);
-    }
-#endif
-    mStreamTypes[stream].mute = muted;
-    return NO_ERROR;
-}
-
-float AudioFlinger::PlaybackThread::streamVolume(int stream) const
-{
-    return mStreamTypes[stream].volume;
-}
-
-bool AudioFlinger::PlaybackThread::streamMute(int stream) const
-{
-    return mStreamTypes[stream].mute;
-}
-
-bool AudioFlinger::PlaybackThread::isStreamActive(int stream) const
-{
-    Mutex::Autolock _l(mLock);
-    size_t count = mActiveTracks.size();
-    for (size_t i = 0 ; i < count ; ++i) {
-        sp<Track> t = mActiveTracks[i].promote();
-        if (t == 0) continue;
-        Track* const track = t.get();
-        if (t->type() == stream)
-            return true;
-    }
-    return false;
-}
-
-// addTrack_l() must be called with ThreadBase::mLock held
-status_t AudioFlinger::PlaybackThread::addTrack_l(const sp<Track>& track)
-{
-    status_t status = ALREADY_EXISTS;
-
-    // set retry count for buffer fill
-    track->mRetryCount = kMaxTrackStartupRetries;
-    if (mActiveTracks.indexOf(track) < 0) {
-        // the track is newly added, make sure it fills up all its
-        // buffers before playing. This is to ensure the client will
-        // effectively get the latency it requested.
-        track->mFillingUpStatus = Track::FS_FILLING;
-        track->mResetDone = false;
-        mActiveTracks.add(track);
-        status = NO_ERROR;
-    }
-
-    LOGV("mWaitWorkCV.broadcast");
-    mWaitWorkCV.broadcast();
-
-    return status;
-}
-
-// destroyTrack_l() must be called with ThreadBase::mLock held
-void AudioFlinger::PlaybackThread::destroyTrack_l(const sp<Track>& track)
-{
-    track->mState = TrackBase::TERMINATED;
-    if (mActiveTracks.indexOf(track) < 0) {
-        mTracks.remove(track);
-        deleteTrackName_l(track->name());
-    }
-}
-
-String8 AudioFlinger::PlaybackThread::getParameters(const String8& keys)
-{
-    return mOutput->getParameters(keys);
-}
-
-void AudioFlinger::PlaybackThread::audioConfigChanged(int event, int param) {
-    AudioSystem::OutputDescriptor desc;
-    void *param2 = 0;
-
-    LOGV("PlaybackThread::audioConfigChanged, thread %p, event %d, param %d", this, event, param);
-
-    switch (event) {
-    case AudioSystem::OUTPUT_OPENED:
-    case AudioSystem::OUTPUT_CONFIG_CHANGED:
-        desc.channels = mChannelCount;
-        desc.samplingRate = mSampleRate;
-        desc.format = mFormat;
-        desc.frameCount = mFrameCount;
-        desc.latency = latency();
-        param2 = &desc;
-        break;
-
-    case AudioSystem::STREAM_CONFIG_CHANGED:
-        param2 = &param;
-    case AudioSystem::OUTPUT_CLOSED:
-    default:
-        break;
-    }
-    Mutex::Autolock _l(mAudioFlinger->mLock);
-    mAudioFlinger->audioConfigChanged_l(event, mId, param2);
-}
-
-void AudioFlinger::PlaybackThread::readOutputParameters()
-{
-    mSampleRate = mOutput->sampleRate();
-    mChannelCount = AudioSystem::popCount(mOutput->channels());
-
-    mFormat = mOutput->format();
-    mFrameSize = mOutput->frameSize();
-    mFrameCount = mOutput->bufferSize() / mFrameSize;
-
-    // FIXME - Current mixer implementation only supports stereo output: Always
-    // Allocate a stereo buffer even if HW output is mono.
-    if (mMixBuffer != NULL) delete mMixBuffer;
-    mMixBuffer = new int16_t[mFrameCount * 2];
-    memset(mMixBuffer, 0, mFrameCount * 2 * sizeof(int16_t));
-}
-
-status_t AudioFlinger::PlaybackThread::getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames)
-{
-    if (halFrames == 0 || dspFrames == 0) {
-        return BAD_VALUE;
-    }
-    if (mOutput == 0) {
-        return INVALID_OPERATION;
-    }
-    *halFrames = mBytesWritten/mOutput->frameSize();
-
-    return mOutput->getRenderPosition(dspFrames);
-}
-
-// ----------------------------------------------------------------------------
-
-AudioFlinger::MixerThread::MixerThread(const sp<AudioFlinger>& audioFlinger, AudioStreamOut* output, int id)
-    :   PlaybackThread(audioFlinger, output, id),
-        mAudioMixer(0)
-{
-    mType = PlaybackThread::MIXER;
-    mAudioMixer = new AudioMixer(mFrameCount, mSampleRate);
-
-    // FIXME - Current mixer implementation only supports stereo output
-    if (mChannelCount == 1) {
-        LOGE("Invalid audio hardware channel count");
-    }
-}
-
-AudioFlinger::MixerThread::~MixerThread()
-{
-    delete mAudioMixer;
-}
-
-bool AudioFlinger::MixerThread::threadLoop()
-{
-    int16_t* curBuf = mMixBuffer;
-    Vector< sp<Track> > tracksToRemove;
-    uint32_t mixerStatus = MIXER_IDLE;
-    nsecs_t standbyTime = systemTime();
-    size_t mixBufferSize = mFrameCount * mFrameSize;
-    // FIXME: Relaxed timing because of a certain device that can't meet latency
-    // Should be reduced to 2x after the vendor fixes the driver issue
-    nsecs_t maxPeriod = seconds(mFrameCount) / mSampleRate * 3;
-    nsecs_t lastWarning = 0;
-    bool longStandbyExit = false;
-    uint32_t activeSleepTime = activeSleepTimeUs();
-    uint32_t idleSleepTime = idleSleepTimeUs();
-    uint32_t sleepTime = idleSleepTime;
-
-    while (!exitPending())
-    {
-        processConfigEvents();
-
-        mixerStatus = MIXER_IDLE;
-        { // scope for mLock
-
-            Mutex::Autolock _l(mLock);
-
-            if (checkForNewParameters_l()) {
-                mixBufferSize = mFrameCount * mFrameSize;
-                // FIXME: Relaxed timing because of a certain device that can't meet latency
-                // Should be reduced to 2x after the vendor fixes the driver issue
-                maxPeriod = seconds(mFrameCount) / mSampleRate * 3;
-                activeSleepTime = activeSleepTimeUs();
-                idleSleepTime = idleSleepTimeUs();
-            }
-
-            const SortedVector< wp<Track> >& activeTracks = mActiveTracks;
-
-            // put audio hardware into standby after short delay
-            if UNLIKELY((!activeTracks.size() && systemTime() > standbyTime) ||
-                        mSuspended) {
-                if (!mStandby) {
-                    LOGV("Audio hardware entering standby, mixer %p, mSuspended %d\n", this, mSuspended);
-                    mOutput->standby();
-                    mStandby = true;
-                    mBytesWritten = 0;
-                }
-
-                if (!activeTracks.size() && mConfigEvents.isEmpty()) {
-                    // we're about to wait, flush the binder command buffer
-                    IPCThreadState::self()->flushCommands();
-
-                    if (exitPending()) break;
-
-                    // wait until we have something to do...
-                    LOGV("MixerThread %p TID %d going to sleep\n", this, gettid());
-                    mWaitWorkCV.wait(mLock);
-                    LOGV("MixerThread %p TID %d waking up\n", this, gettid());
-
-                    if (mMasterMute == false) {
-                        char value[PROPERTY_VALUE_MAX];
-                        property_get("ro.audio.silent", value, "0");
-                        if (atoi(value)) {
-                            LOGD("Silence is golden");
-                            setMasterMute(true);
-                        }
-                    }
-
-                    standbyTime = systemTime() + kStandbyTimeInNsecs;
-                    sleepTime = idleSleepTime;
-                    continue;
-                }
-            }
-
-            mixerStatus = prepareTracks_l(activeTracks, &tracksToRemove);
-       }
-
-        if (LIKELY(mixerStatus == MIXER_TRACKS_READY)) {
-            // mix buffers...
-            mAudioMixer->process(curBuf);
-            sleepTime = 0;
-            standbyTime = systemTime() + kStandbyTimeInNsecs;
-        } else {
-            // If no tracks are ready, sleep once for the duration of an output
-            // buffer size, then write 0s to the output
-            if (sleepTime == 0) {
-                if (mixerStatus == MIXER_TRACKS_ENABLED) {
-                    sleepTime = activeSleepTime;
-                } else {
-                    sleepTime = idleSleepTime;
-                }
-            } else if (mBytesWritten != 0 ||
-                       (mixerStatus == MIXER_TRACKS_ENABLED && longStandbyExit)) {
-                memset (curBuf, 0, mixBufferSize);
-                sleepTime = 0;
-                LOGV_IF((mBytesWritten == 0 && (mixerStatus == MIXER_TRACKS_ENABLED && longStandbyExit)), "anticipated start");
-            }
-        }
-
-        if (mSuspended) {
-            sleepTime = idleSleepTime;
-        }
-        // sleepTime == 0 means we must write to audio hardware
-        if (sleepTime == 0) {
-            mLastWriteTime = systemTime();
-            mInWrite = true;
-            mBytesWritten += mixBufferSize;
-#ifdef LVMX
-            int audioOutputType = LifeVibes::getMixerType(mId, mType);
-            if (LifeVibes::audioOutputTypeIsLifeVibes(audioOutputType)) {
-               LifeVibes::process(audioOutputType, curBuf, mixBufferSize);
-            }
-#endif
-            int bytesWritten = (int)mOutput->write(curBuf, mixBufferSize);
-            if (bytesWritten < 0) mBytesWritten -= mixBufferSize;
-            mNumWrites++;
-            mInWrite = false;
-            nsecs_t now = systemTime();
-            nsecs_t delta = now - mLastWriteTime;
-            if (delta > maxPeriod) {
-                mNumDelayedWrites++;
-                if ((now - lastWarning) > kWarningThrottle) {
-                    LOGW("write blocked for %llu msecs, %d delayed writes, thread %p",
-                            ns2ms(delta), mNumDelayedWrites, this);
-                    lastWarning = now;
-                }
-                if (mStandby) {
-                    longStandbyExit = true;
-                }
-            }
-            mStandby = false;
-        } else {
-            usleep(sleepTime);
-        }
-
-        // finally let go of all our tracks, without the lock held
-        // since we can't guarantee the destructors won't acquire that
-        // same lock.
-        tracksToRemove.clear();
-    }
-
-    if (!mStandby) {
-        mOutput->standby();
-    }
-
-    LOGV("MixerThread %p exiting", this);
-    return false;
-}
-
-// prepareTracks_l() must be called with ThreadBase::mLock held
-uint32_t AudioFlinger::MixerThread::prepareTracks_l(const SortedVector< wp<Track> >& activeTracks, Vector< sp<Track> > *tracksToRemove)
-{
-
-    uint32_t mixerStatus = MIXER_IDLE;
-    // find out which tracks need to be processed
-    size_t count = activeTracks.size();
-
-    float masterVolume = mMasterVolume;
-    bool  masterMute = mMasterMute;
-
-#ifdef LVMX
-    bool tracksConnectedChanged = false;
-    bool stateChanged = false;
-
-    int audioOutputType = LifeVibes::getMixerType(mId, mType);
-    if (LifeVibes::audioOutputTypeIsLifeVibes(audioOutputType))
-    {
-        int activeTypes = 0;
-        for (size_t i=0 ; i<count ; i++) {
-            sp<Track> t = activeTracks[i].promote();
-            if (t == 0) continue;
-            Track* const track = t.get();
-            int iTracktype=track->type();
-            activeTypes |= 1<<track->type();
-        }
-        LifeVibes::computeVolumes(audioOutputType, activeTypes, tracksConnectedChanged, stateChanged, masterVolume, masterMute);
-    }
-#endif
-
-    for (size_t i=0 ; i<count ; i++) {
-        sp<Track> t = activeTracks[i].promote();
-        if (t == 0) continue;
-
-        Track* const track = t.get();
-        audio_track_cblk_t* cblk = track->cblk();
-
-        // The first time a track is added we wait
-        // for all its buffers to be filled before processing it
-        mAudioMixer->setActiveTrack(track->name());
-        if (cblk->framesReady() && (track->isReady() || track->isStopped()) &&
-                !track->isPaused() && !track->isTerminated())
-        {
-            //LOGV("track %d u=%08x, s=%08x [OK] on thread %p", track->name(), cblk->user, cblk->server, this);
-
-            // compute volume for this track
-            int16_t left, right;
-            if (track->isMuted() || masterMute || track->isPausing() ||
-                mStreamTypes[track->type()].mute) {
-                left = right = 0;
-                if (track->isPausing()) {
-                    track->setPaused();
-                }
-            } else {
-                // read original volumes with volume control
-                float typeVolume = mStreamTypes[track->type()].volume;
-#ifdef LVMX
-                bool streamMute=false;
-                // read the volume from the LivesVibes audio engine.
-                if (LifeVibes::audioOutputTypeIsLifeVibes(audioOutputType))
-                {
-                    LifeVibes::getStreamVolumes(audioOutputType, track->type(), &typeVolume, &streamMute);
-                    if (streamMute) {
-                        typeVolume = 0;
-                    }
-                }
-#endif
-                float v = masterVolume * typeVolume;
-                float v_clamped = v * cblk->volume[0];
-                if (v_clamped > MAX_GAIN) v_clamped = MAX_GAIN;
-                left = int16_t(v_clamped);
-                v_clamped = v * cblk->volume[1];
-                if (v_clamped > MAX_GAIN) v_clamped = MAX_GAIN;
-                right = int16_t(v_clamped);
-            }
-
-            // XXX: these things DON'T need to be done each time
-            mAudioMixer->setBufferProvider(track);
-            mAudioMixer->enable(AudioMixer::MIXING);
-
-            int param = AudioMixer::VOLUME;
-            if (track->mFillingUpStatus == Track::FS_FILLED) {
-                // no ramp for the first volume setting
-                track->mFillingUpStatus = Track::FS_ACTIVE;
-                if (track->mState == TrackBase::RESUMING) {
-                    track->mState = TrackBase::ACTIVE;
-                    param = AudioMixer::RAMP_VOLUME;
-                }
-            } else if (cblk->server != 0) {
-                // If the track is stopped before the first frame was mixed,
-                // do not apply ramp
-                param = AudioMixer::RAMP_VOLUME;
-            }
-#ifdef LVMX
-            if ( tracksConnectedChanged || stateChanged )
-            {
-                 // only do the ramp when the volume is changed by the user / application
-                 param = AudioMixer::VOLUME;
-            }
-#endif
-            mAudioMixer->setParameter(param, AudioMixer::VOLUME0, left);
-            mAudioMixer->setParameter(param, AudioMixer::VOLUME1, right);
-            mAudioMixer->setParameter(
-                AudioMixer::TRACK,
-                AudioMixer::FORMAT, track->format());
-            mAudioMixer->setParameter(
-                AudioMixer::TRACK,
-                AudioMixer::CHANNEL_COUNT, track->channelCount());
-            mAudioMixer->setParameter(
-                AudioMixer::RESAMPLE,
-                AudioMixer::SAMPLE_RATE,
-                int(cblk->sampleRate));
-
-            // reset retry count
-            track->mRetryCount = kMaxTrackRetries;
-            mixerStatus = MIXER_TRACKS_READY;
-        } else {
-            //LOGV("track %d u=%08x, s=%08x [NOT READY] on thread %p", track->name(), cblk->user, cblk->server, this);
-            if (track->isStopped()) {
-                track->reset();
-            }
-            if (track->isTerminated() || track->isStopped() || track->isPaused()) {
-                // We have consumed all the buffers of this track.
-                // Remove it from the list of active tracks.
-                tracksToRemove->add(track);
-                mAudioMixer->disable(AudioMixer::MIXING);
-            } else {
-                // No buffers for this track. Give it a few chances to
-                // fill a buffer, then remove it from active list.
-                if (--(track->mRetryCount) <= 0) {
-                    LOGV("BUFFER TIMEOUT: remove(%d) from active list on thread %p", track->name(), this);
-                    tracksToRemove->add(track);
-                } else if (mixerStatus != MIXER_TRACKS_READY) {
-                    mixerStatus = MIXER_TRACKS_ENABLED;
-                }
-
-                mAudioMixer->disable(AudioMixer::MIXING);
-            }
-        }
-    }
-
-    // remove all the tracks that need to be...
-    count = tracksToRemove->size();
-    if (UNLIKELY(count)) {
-        for (size_t i=0 ; i<count ; i++) {
-            const sp<Track>& track = tracksToRemove->itemAt(i);
-            mActiveTracks.remove(track);
-            if (track->isTerminated()) {
-                mTracks.remove(track);
-                deleteTrackName_l(track->mName);
-            }
-        }
-    }
-
-    return mixerStatus;
-}
-
-void AudioFlinger::MixerThread::getTracks(
-        SortedVector < sp<Track> >& tracks,
-        SortedVector < wp<Track> >& activeTracks,
-        int streamType)
-{
-    LOGV ("MixerThread::getTracks() mixer %p, mTracks.size %d, mActiveTracks.size %d", this,  mTracks.size(), mActiveTracks.size());
-    Mutex::Autolock _l(mLock);
-    size_t size = mTracks.size();
-    for (size_t i = 0; i < size; i++) {
-        sp<Track> t = mTracks[i];
-        if (t->type() == streamType) {
-            tracks.add(t);
-            int j = mActiveTracks.indexOf(t);
-            if (j >= 0) {
-                t = mActiveTracks[j].promote();
-                if (t != NULL) {
-                    activeTracks.add(t);
-                }
-            }
-        }
-    }
-
-    size = activeTracks.size();
-    for (size_t i = 0; i < size; i++) {
-        mActiveTracks.remove(activeTracks[i]);
-    }
-
-    size = tracks.size();
-    for (size_t i = 0; i < size; i++) {
-        sp<Track> t = tracks[i];
-        mTracks.remove(t);
-        deleteTrackName_l(t->name());
-    }
-}
-
-void AudioFlinger::MixerThread::putTracks(
-        SortedVector < sp<Track> >& tracks,
-        SortedVector < wp<Track> >& activeTracks)
-{
-    LOGV ("MixerThread::putTracks() mixer %p, tracks.size %d, activeTracks.size %d", this,  tracks.size(), activeTracks.size());
-    Mutex::Autolock _l(mLock);
-    size_t size = tracks.size();
-    for (size_t i = 0; i < size ; i++) {
-        sp<Track> t = tracks[i];
-        int name = getTrackName_l();
-
-        if (name < 0) return;
-
-        t->mName = name;
-        t->mThread = this;
-        mTracks.add(t);
-
-        int j = activeTracks.indexOf(t);
-        if (j >= 0) {
-            mActiveTracks.add(t);
-            // force buffer refilling and no ramp volume when the track is mixed for the first time
-            t->mFillingUpStatus = Track::FS_FILLING;
-        }
-    }
-}
-
-// getTrackName_l() must be called with ThreadBase::mLock held
-int AudioFlinger::MixerThread::getTrackName_l()
-{
-    return mAudioMixer->getTrackName();
-}
-
-// deleteTrackName_l() must be called with ThreadBase::mLock held
-void AudioFlinger::MixerThread::deleteTrackName_l(int name)
-{
-    LOGV("remove track (%d) and delete from mixer", name);
-    mAudioMixer->deleteTrackName(name);
-}
-
-// checkForNewParameters_l() must be called with ThreadBase::mLock held
-bool AudioFlinger::MixerThread::checkForNewParameters_l()
-{
-    bool reconfig = false;
-
-    while (!mNewParameters.isEmpty()) {
-        status_t status = NO_ERROR;
-        String8 keyValuePair = mNewParameters[0];
-        AudioParameter param = AudioParameter(keyValuePair);
-        int value;
-
-        if (param.getInt(String8(AudioParameter::keySamplingRate), value) == NO_ERROR) {
-            reconfig = true;
-        }
-        if (param.getInt(String8(AudioParameter::keyFormat), value) == NO_ERROR) {
-            if (value != AudioSystem::PCM_16_BIT) {
-                status = BAD_VALUE;
-            } else {
-                reconfig = true;
-            }
-        }
-        if (param.getInt(String8(AudioParameter::keyChannels), value) == NO_ERROR) {
-            if (value != AudioSystem::CHANNEL_OUT_STEREO) {
-                status = BAD_VALUE;
-            } else {
-                reconfig = true;
-            }
-        }
-        if (param.getInt(String8(AudioParameter::keyFrameCount), value) == NO_ERROR) {
-            // do not accept frame count changes if tracks are open as the track buffer
-            // size depends on frame count and correct behavior would not be garantied
-            // if frame count is changed after track creation
-            if (!mTracks.isEmpty()) {
-                status = INVALID_OPERATION;
-            } else {
-                reconfig = true;
-            }
-        }
-        if (status == NO_ERROR) {
-            status = mOutput->setParameters(keyValuePair);
-            if (!mStandby && status == INVALID_OPERATION) {
-               mOutput->standby();
-               mStandby = true;
-               mBytesWritten = 0;
-               status = mOutput->setParameters(keyValuePair);
-            }
-            if (status == NO_ERROR && reconfig) {
-                delete mAudioMixer;
-                readOutputParameters();
-                mAudioMixer = new AudioMixer(mFrameCount, mSampleRate);
-                for (size_t i = 0; i < mTracks.size() ; i++) {
-                    int name = getTrackName_l();
-                    if (name < 0) break;
-                    mTracks[i]->mName = name;
-                    // limit track sample rate to 2 x new output sample rate
-                    if (mTracks[i]->mCblk->sampleRate > 2 * sampleRate()) {
-                        mTracks[i]->mCblk->sampleRate = 2 * sampleRate();
-                    }
-                }
-                sendConfigEvent_l(AudioSystem::OUTPUT_CONFIG_CHANGED);
-            }
-        }
-
-        mNewParameters.removeAt(0);
-
-        mParamStatus = status;
-        mParamCond.signal();
-        mWaitWorkCV.wait(mLock);
-    }
-    return reconfig;
-}
-
-status_t AudioFlinger::MixerThread::dumpInternals(int fd, const Vector<String16>& args)
-{
-    const size_t SIZE = 256;
-    char buffer[SIZE];
-    String8 result;
-
-    PlaybackThread::dumpInternals(fd, args);
-
-    snprintf(buffer, SIZE, "AudioMixer tracks: %08x\n", mAudioMixer->trackNames());
-    result.append(buffer);
-    write(fd, result.string(), result.size());
-    return NO_ERROR;
-}
-
-uint32_t AudioFlinger::MixerThread::activeSleepTimeUs()
-{
-    return (uint32_t)(mOutput->latency() * 1000) / 2;
-}
-
-uint32_t AudioFlinger::MixerThread::idleSleepTimeUs()
-{
-    return (uint32_t)((mFrameCount * 1000) / mSampleRate) * 1000;
-}
-
-// ----------------------------------------------------------------------------
-AudioFlinger::DirectOutputThread::DirectOutputThread(const sp<AudioFlinger>& audioFlinger, AudioStreamOut* output, int id)
-    :   PlaybackThread(audioFlinger, output, id),
-    mLeftVolume (1.0), mRightVolume(1.0)
-{
-    mType = PlaybackThread::DIRECT;
-}
-
-AudioFlinger::DirectOutputThread::~DirectOutputThread()
-{
-}
-
-
-bool AudioFlinger::DirectOutputThread::threadLoop()
-{
-    uint32_t mixerStatus = MIXER_IDLE;
-    sp<Track> trackToRemove;
-    sp<Track> activeTrack;
-    nsecs_t standbyTime = systemTime();
-    int8_t *curBuf;
-    size_t mixBufferSize = mFrameCount*mFrameSize;
-    uint32_t activeSleepTime = activeSleepTimeUs();
-    uint32_t idleSleepTime = idleSleepTimeUs();
-    uint32_t sleepTime = idleSleepTime;
-    // use shorter standby delay as on normal output to release
-    // hardware resources as soon as possible
-    nsecs_t standbyDelay = microseconds(activeSleepTime*2);
-
-
-    while (!exitPending())
-    {
-        processConfigEvents();
-
-        mixerStatus = MIXER_IDLE;
-
-        { // scope for the mLock
-
-            Mutex::Autolock _l(mLock);
-
-            if (checkForNewParameters_l()) {
-                mixBufferSize = mFrameCount*mFrameSize;
-                activeSleepTime = activeSleepTimeUs();
-                idleSleepTime = idleSleepTimeUs();
-                standbyDelay = microseconds(activeSleepTime*2);
-            }
-
-            // put audio hardware into standby after short delay
-            if UNLIKELY((!mActiveTracks.size() && systemTime() > standbyTime) ||
-                        mSuspended) {
-                // wait until we have something to do...
-                if (!mStandby) {
-                    LOGV("Audio hardware entering standby, mixer %p\n", this);
-                    mOutput->standby();
-                    mStandby = true;
-                    mBytesWritten = 0;
-                }
-
-                if (!mActiveTracks.size() && mConfigEvents.isEmpty()) {
-                    // we're about to wait, flush the binder command buffer
-                    IPCThreadState::self()->flushCommands();
-
-                    if (exitPending()) break;
-
-                    LOGV("DirectOutputThread %p TID %d going to sleep\n", this, gettid());
-                    mWaitWorkCV.wait(mLock);
-                    LOGV("DirectOutputThread %p TID %d waking up in active mode\n", this, gettid());
-
-                    if (mMasterMute == false) {
-                        char value[PROPERTY_VALUE_MAX];
-                        property_get("ro.audio.silent", value, "0");
-                        if (atoi(value)) {
-                            LOGD("Silence is golden");
-                            setMasterMute(true);
-                        }
-                    }
-
-                    standbyTime = systemTime() + standbyDelay;
-                    sleepTime = idleSleepTime;
-                    continue;
-                }
-            }
-
-            // find out which tracks need to be processed
-            if (mActiveTracks.size() != 0) {
-                sp<Track> t = mActiveTracks[0].promote();
-                if (t == 0) continue;
-
-                Track* const track = t.get();
-                audio_track_cblk_t* cblk = track->cblk();
-
-                // The first time a track is added we wait
-                // for all its buffers to be filled before processing it
-                if (cblk->framesReady() && (track->isReady() || track->isStopped()) &&
-                        !track->isPaused() && !track->isTerminated())
-                {
-                    //LOGV("track %d u=%08x, s=%08x [OK]", track->name(), cblk->user, cblk->server);
-
-                    // compute volume for this track
-                    float left, right;
-                    if (track->isMuted() || mMasterMute || track->isPausing() ||
-                        mStreamTypes[track->type()].mute) {
-                        left = right = 0;
-                        if (track->isPausing()) {
-                            track->setPaused();
-                        }
-                    } else {
-                        float typeVolume = mStreamTypes[track->type()].volume;
-                        float v = mMasterVolume * typeVolume;
-                        float v_clamped = v * cblk->volume[0];
-                        if (v_clamped > MAX_GAIN) v_clamped = MAX_GAIN;
-                        left = v_clamped/MAX_GAIN;
-                        v_clamped = v * cblk->volume[1];
-                        if (v_clamped > MAX_GAIN) v_clamped = MAX_GAIN;
-                        right = v_clamped/MAX_GAIN;
-                    }
-
-                    if (left != mLeftVolume || right != mRightVolume) {
-                        mOutput->setVolume(left, right);
-                        left = mLeftVolume;
-                        right = mRightVolume;
-                    }
-
-                    if (track->mFillingUpStatus == Track::FS_FILLED) {
-                        track->mFillingUpStatus = Track::FS_ACTIVE;
-                        if (track->mState == TrackBase::RESUMING) {
-                            track->mState = TrackBase::ACTIVE;
-                        }
-                    }
-
-                    // reset retry count
-                    track->mRetryCount = kMaxTrackRetriesDirect;
-                    activeTrack = t;
-                    mixerStatus = MIXER_TRACKS_READY;
-                } else {
-                    //LOGV("track %d u=%08x, s=%08x [NOT READY]", track->name(), cblk->user, cblk->server);
-                    if (track->isStopped()) {
-                        track->reset();
-                    }
-                    if (track->isTerminated() || track->isStopped() || track->isPaused()) {
-                        // We have consumed all the buffers of this track.
-                        // Remove it from the list of active tracks.
-                        trackToRemove = track;
-                    } else {
-                        // No buffers for this track. Give it a few chances to
-                        // fill a buffer, then remove it from active list.
-                        if (--(track->mRetryCount) <= 0) {
-                            LOGV("BUFFER TIMEOUT: remove(%d) from active list", track->name());
-                            trackToRemove = track;
-                        } else {
-                            mixerStatus = MIXER_TRACKS_ENABLED;
-                        }
-                    }
-                }
-            }
-
-            // remove all the tracks that need to be...
-            if (UNLIKELY(trackToRemove != 0)) {
-                mActiveTracks.remove(trackToRemove);
-                if (trackToRemove->isTerminated()) {
-                    mTracks.remove(trackToRemove);
-                    deleteTrackName_l(trackToRemove->mName);
-                }
-            }
-       }
-
-        if (LIKELY(mixerStatus == MIXER_TRACKS_READY)) {
-            AudioBufferProvider::Buffer buffer;
-            size_t frameCount = mFrameCount;
-            curBuf = (int8_t *)mMixBuffer;
-            // output audio to hardware
-            while(frameCount) {
-                buffer.frameCount = frameCount;
-                activeTrack->getNextBuffer(&buffer);
-                if (UNLIKELY(buffer.raw == 0)) {
-                    memset(curBuf, 0, frameCount * mFrameSize);
-                    break;
-                }
-                memcpy(curBuf, buffer.raw, buffer.frameCount * mFrameSize);
-                frameCount -= buffer.frameCount;
-                curBuf += buffer.frameCount * mFrameSize;
-                activeTrack->releaseBuffer(&buffer);
-            }
-            sleepTime = 0;
-            standbyTime = systemTime() + standbyDelay;
-        } else {
-            if (sleepTime == 0) {
-                if (mixerStatus == MIXER_TRACKS_ENABLED) {
-                    sleepTime = activeSleepTime;
-                } else {
-                    sleepTime = idleSleepTime;
-                }
-            } else if (mBytesWritten != 0 && AudioSystem::isLinearPCM(mFormat)) {
-                memset (mMixBuffer, 0, mFrameCount * mFrameSize);
-                sleepTime = 0;
-            }
-        }
-
-        if (mSuspended) {
-            sleepTime = idleSleepTime;
-        }
-        // sleepTime == 0 means we must write to audio hardware
-        if (sleepTime == 0) {
-            mLastWriteTime = systemTime();
-            mInWrite = true;
-            mBytesWritten += mixBufferSize;
-            int bytesWritten = (int)mOutput->write(mMixBuffer, mixBufferSize);
-            if (bytesWritten < 0) mBytesWritten -= mixBufferSize;
-            mNumWrites++;
-            mInWrite = false;
-            mStandby = false;
-        } else {
-            usleep(sleepTime);
-        }
-
-        // finally let go of removed track, without the lock held
-        // since we can't guarantee the destructors won't acquire that
-        // same lock.
-        trackToRemove.clear();
-        activeTrack.clear();
-    }
-
-    if (!mStandby) {
-        mOutput->standby();
-    }
-
-    LOGV("DirectOutputThread %p exiting", this);
-    return false;
-}
-
-// getTrackName_l() must be called with ThreadBase::mLock held
-int AudioFlinger::DirectOutputThread::getTrackName_l()
-{
-    return 0;
-}
-
-// deleteTrackName_l() must be called with ThreadBase::mLock held
-void AudioFlinger::DirectOutputThread::deleteTrackName_l(int name)
-{
-}
-
-// checkForNewParameters_l() must be called with ThreadBase::mLock held
-bool AudioFlinger::DirectOutputThread::checkForNewParameters_l()
-{
-    bool reconfig = false;
-
-    while (!mNewParameters.isEmpty()) {
-        status_t status = NO_ERROR;
-        String8 keyValuePair = mNewParameters[0];
-        AudioParameter param = AudioParameter(keyValuePair);
-        int value;
-
-        if (param.getInt(String8(AudioParameter::keyFrameCount), value) == NO_ERROR) {
-            // do not accept frame count changes if tracks are open as the track buffer
-            // size depends on frame count and correct behavior would not be garantied
-            // if frame count is changed after track creation
-            if (!mTracks.isEmpty()) {
-                status = INVALID_OPERATION;
-            } else {
-                reconfig = true;
-            }
-        }
-        if (status == NO_ERROR) {
-            status = mOutput->setParameters(keyValuePair);
-            if (!mStandby && status == INVALID_OPERATION) {
-               mOutput->standby();
-               mStandby = true;
-               mBytesWritten = 0;
-               status = mOutput->setParameters(keyValuePair);
-            }
-            if (status == NO_ERROR && reconfig) {
-                readOutputParameters();
-                sendConfigEvent_l(AudioSystem::OUTPUT_CONFIG_CHANGED);
-            }
-        }
-
-        mNewParameters.removeAt(0);
-
-        mParamStatus = status;
-        mParamCond.signal();
-        mWaitWorkCV.wait(mLock);
-    }
-    return reconfig;
-}
-
-uint32_t AudioFlinger::DirectOutputThread::activeSleepTimeUs()
-{
-    uint32_t time;
-    if (AudioSystem::isLinearPCM(mFormat)) {
-        time = (uint32_t)(mOutput->latency() * 1000) / 2;
-    } else {
-        time = 10000;
-    }
-    return time;
-}
-
-uint32_t AudioFlinger::DirectOutputThread::idleSleepTimeUs()
-{
-    uint32_t time;
-    if (AudioSystem::isLinearPCM(mFormat)) {
-        time = (uint32_t)((mFrameCount * 1000) / mSampleRate) * 1000;
-    } else {
-        time = 10000;
-    }
-    return time;
-}
-
-// ----------------------------------------------------------------------------
-
-AudioFlinger::DuplicatingThread::DuplicatingThread(const sp<AudioFlinger>& audioFlinger, AudioFlinger::MixerThread* mainThread, int id)
-    :   MixerThread(audioFlinger, mainThread->getOutput(), id), mWaitTimeMs(UINT_MAX)
-{
-    mType = PlaybackThread::DUPLICATING;
-    addOutputTrack(mainThread);
-}
-
-AudioFlinger::DuplicatingThread::~DuplicatingThread()
-{
-    for (size_t i = 0; i < mOutputTracks.size(); i++) {
-        mOutputTracks[i]->destroy();
-    }
-    mOutputTracks.clear();
-}
-
-bool AudioFlinger::DuplicatingThread::threadLoop()
-{
-    int16_t* curBuf = mMixBuffer;
-    Vector< sp<Track> > tracksToRemove;
-    uint32_t mixerStatus = MIXER_IDLE;
-    nsecs_t standbyTime = systemTime();
-    size_t mixBufferSize = mFrameCount*mFrameSize;
-    SortedVector< sp<OutputTrack> > outputTracks;
-    uint32_t writeFrames = 0;
-    uint32_t activeSleepTime = activeSleepTimeUs();
-    uint32_t idleSleepTime = idleSleepTimeUs();
-    uint32_t sleepTime = idleSleepTime;
-
-    while (!exitPending())
-    {
-        processConfigEvents();
-
-        mixerStatus = MIXER_IDLE;
-        { // scope for the mLock
-
-            Mutex::Autolock _l(mLock);
-
-            if (checkForNewParameters_l()) {
-                mixBufferSize = mFrameCount*mFrameSize;
-                updateWaitTime();
-                activeSleepTime = activeSleepTimeUs();
-                idleSleepTime = idleSleepTimeUs();
-            }
-
-            const SortedVector< wp<Track> >& activeTracks = mActiveTracks;
-
-            for (size_t i = 0; i < mOutputTracks.size(); i++) {
-                outputTracks.add(mOutputTracks[i]);
-            }
-
-            // put audio hardware into standby after short delay
-            if UNLIKELY((!activeTracks.size() && systemTime() > standbyTime) ||
-                         mSuspended) {
-                if (!mStandby) {
-                    for (size_t i = 0; i < outputTracks.size(); i++) {
-                        outputTracks[i]->stop();
-                    }
-                    mStandby = true;
-                    mBytesWritten = 0;
-                }
-
-                if (!activeTracks.size() && mConfigEvents.isEmpty()) {
-                    // we're about to wait, flush the binder command buffer
-                    IPCThreadState::self()->flushCommands();
-                    outputTracks.clear();
-
-                    if (exitPending()) break;
-
-                    LOGV("DuplicatingThread %p TID %d going to sleep\n", this, gettid());
-                    mWaitWorkCV.wait(mLock);
-                    LOGV("DuplicatingThread %p TID %d waking up\n", this, gettid());
-                    if (mMasterMute == false) {
-                        char value[PROPERTY_VALUE_MAX];
-                        property_get("ro.audio.silent", value, "0");
-                        if (atoi(value)) {
-                            LOGD("Silence is golden");
-                            setMasterMute(true);
-                        }
-                    }
-
-                    standbyTime = systemTime() + kStandbyTimeInNsecs;
-                    sleepTime = idleSleepTime;
-                    continue;
-                }
-            }
-
-            mixerStatus = prepareTracks_l(activeTracks, &tracksToRemove);
-        }
-
-        if (LIKELY(mixerStatus == MIXER_TRACKS_READY)) {
-            // mix buffers...
-            if (outputsReady(outputTracks)) {
-                mAudioMixer->process(curBuf);
-            } else {
-                memset(curBuf, 0, mixBufferSize);
-            }
-            sleepTime = 0;
-            writeFrames = mFrameCount;
-        } else {
-            if (sleepTime == 0) {
-                if (mixerStatus == MIXER_TRACKS_ENABLED) {
-                    sleepTime = activeSleepTime;
-                } else {
-                    sleepTime = idleSleepTime;
-                }
-            } else if (mBytesWritten != 0) {
-                // flush remaining overflow buffers in output tracks
-                for (size_t i = 0; i < outputTracks.size(); i++) {
-                    if (outputTracks[i]->isActive()) {
-                        sleepTime = 0;
-                        writeFrames = 0;
-                        break;
-                    }
-                }
-            }
-        }
-
-        if (mSuspended) {
-            sleepTime = idleSleepTime;
-        }
-        // sleepTime == 0 means we must write to audio hardware
-        if (sleepTime == 0) {
-            standbyTime = systemTime() + kStandbyTimeInNsecs;
-            for (size_t i = 0; i < outputTracks.size(); i++) {
-                outputTracks[i]->write(curBuf, writeFrames);
-            }
-            mStandby = false;
-            mBytesWritten += mixBufferSize;
-        } else {
-            usleep(sleepTime);
-        }
-
-        // finally let go of all our tracks, without the lock held
-        // since we can't guarantee the destructors won't acquire that
-        // same lock.
-        tracksToRemove.clear();
-        outputTracks.clear();
-    }
-
-    return false;
-}
-
-void AudioFlinger::DuplicatingThread::addOutputTrack(MixerThread *thread)
-{
-    int frameCount = (3 * mFrameCount * mSampleRate) / thread->sampleRate();
-    OutputTrack *outputTrack = new OutputTrack((ThreadBase *)thread,
-                                            this,
-                                            mSampleRate,
-                                            mFormat,
-                                            mChannelCount,
-                                            frameCount);
-    if (outputTrack->cblk() != NULL) {
-        thread->setStreamVolume(AudioSystem::NUM_STREAM_TYPES, 1.0f);
-        mOutputTracks.add(outputTrack);
-        LOGV("addOutputTrack() track %p, on thread %p", outputTrack, thread);
-        updateWaitTime();
-    }
-}
-
-void AudioFlinger::DuplicatingThread::removeOutputTrack(MixerThread *thread)
-{
-    Mutex::Autolock _l(mLock);
-    for (size_t i = 0; i < mOutputTracks.size(); i++) {
-        if (mOutputTracks[i]->thread() == (ThreadBase *)thread) {
-            mOutputTracks[i]->destroy();
-            mOutputTracks.removeAt(i);
-            updateWaitTime();
-            return;
-        }
-    }
-    LOGV("removeOutputTrack(): unkonwn thread: %p", thread);
-}
-
-void AudioFlinger::DuplicatingThread::updateWaitTime()
-{
-    mWaitTimeMs = UINT_MAX;
-    for (size_t i = 0; i < mOutputTracks.size(); i++) {
-        sp<ThreadBase> strong = mOutputTracks[i]->thread().promote();
-        if (strong != NULL) {
-            uint32_t waitTimeMs = (strong->frameCount() * 2 * 1000) / strong->sampleRate();
-            if (waitTimeMs < mWaitTimeMs) {
-                mWaitTimeMs = waitTimeMs;
-            }
-        }
-    }
-}
-
-
-bool AudioFlinger::DuplicatingThread::outputsReady(SortedVector< sp<OutputTrack> > &outputTracks)
-{
-    for (size_t i = 0; i < outputTracks.size(); i++) {
-        sp <ThreadBase> thread = outputTracks[i]->thread().promote();
-        if (thread == 0) {
-            LOGW("DuplicatingThread::outputsReady() could not promote thread on output track %p", outputTracks[i].get());
-            return false;
-        }
-        PlaybackThread *playbackThread = (PlaybackThread *)thread.get();
-        if (playbackThread->standby() && !playbackThread->isSuspended()) {
-            LOGV("DuplicatingThread output track %p on thread %p Not Ready", outputTracks[i].get(), thread.get());
-            return false;
-        }
-    }
-    return true;
-}
-
-uint32_t AudioFlinger::DuplicatingThread::activeSleepTimeUs()
-{
-    return (mWaitTimeMs * 1000) / 2;
-}
-
-// ----------------------------------------------------------------------------
-
-// TrackBase constructor must be called with AudioFlinger::mLock held
-AudioFlinger::ThreadBase::TrackBase::TrackBase(
-            const wp<ThreadBase>& thread,
-            const sp<Client>& client,
-            uint32_t sampleRate,
-            int format,
-            int channelCount,
-            int frameCount,
-            uint32_t flags,
-            const sp<IMemory>& sharedBuffer)
-    :   RefBase(),
-        mThread(thread),
-        mClient(client),
-        mCblk(0),
-        mFrameCount(0),
-        mState(IDLE),
-        mClientTid(-1),
-        mFormat(format),
-        mFlags(flags & ~SYSTEM_FLAGS_MASK)
-{
-    LOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), sharedBuffer->size());
-
-    // LOGD("Creating track with %d buffers @ %d bytes", bufferCount, bufferSize);
-   size_t size = sizeof(audio_track_cblk_t);
-   size_t bufferSize = frameCount*channelCount*sizeof(int16_t);
-   if (sharedBuffer == 0) {
-       size += bufferSize;
-   }
-
-   if (client != NULL) {
-        mCblkMemory = client->heap()->allocate(size);
-        if (mCblkMemory != 0) {
-            mCblk = static_cast<audio_track_cblk_t *>(mCblkMemory->pointer());
-            if (mCblk) { // construct the shared structure in-place.
-                new(mCblk) audio_track_cblk_t();
-                // clear all buffers
-                mCblk->frameCount = frameCount;
-                mCblk->sampleRate = sampleRate;
-                mCblk->channels = (uint8_t)channelCount;
-                if (sharedBuffer == 0) {
-                    mBuffer = (char*)mCblk + sizeof(audio_track_cblk_t);
-                    memset(mBuffer, 0, frameCount*channelCount*sizeof(int16_t));
-                    // Force underrun condition to avoid false underrun callback until first data is
-                    // written to buffer
-                    mCblk->flowControlFlag = 1;
-                } else {
-                    mBuffer = sharedBuffer->pointer();
-                }
-                mBufferEnd = (uint8_t *)mBuffer + bufferSize;
-            }
-        } else {
-            LOGE("not enough memory for AudioTrack size=%u", size);
-            client->heap()->dump("AudioTrack");
-            return;
-        }
-   } else {
-       mCblk = (audio_track_cblk_t *)(new uint8_t[size]);
-       if (mCblk) { // construct the shared structure in-place.
-           new(mCblk) audio_track_cblk_t();
-           // clear all buffers
-           mCblk->frameCount = frameCount;
-           mCblk->sampleRate = sampleRate;
-           mCblk->channels = (uint8_t)channelCount;
-           mBuffer = (char*)mCblk + sizeof(audio_track_cblk_t);
-           memset(mBuffer, 0, frameCount*channelCount*sizeof(int16_t));
-           // Force underrun condition to avoid false underrun callback until first data is
-           // written to buffer
-           mCblk->flowControlFlag = 1;
-           mBufferEnd = (uint8_t *)mBuffer + bufferSize;
-       }
-   }
-}
-
-AudioFlinger::ThreadBase::TrackBase::~TrackBase()
-{
-    if (mCblk) {
-        mCblk->~audio_track_cblk_t();   // destroy our shared-structure.
-        if (mClient == NULL) {
-            delete mCblk;
-        }
-    }
-    mCblkMemory.clear();            // and free the shared memory
-    if (mClient != NULL) {
-        Mutex::Autolock _l(mClient->audioFlinger()->mLock);
-        mClient.clear();
-    }
-}
-
-void AudioFlinger::ThreadBase::TrackBase::releaseBuffer(AudioBufferProvider::Buffer* buffer)
-{
-    buffer->raw = 0;
-    mFrameCount = buffer->frameCount;
-    step();
-    buffer->frameCount = 0;
-}
-
-bool AudioFlinger::ThreadBase::TrackBase::step() {
-    bool result;
-    audio_track_cblk_t* cblk = this->cblk();
-
-    result = cblk->stepServer(mFrameCount);
-    if (!result) {
-        LOGV("stepServer failed acquiring cblk mutex");
-        mFlags |= STEPSERVER_FAILED;
-    }
-    return result;
-}
-
-void AudioFlinger::ThreadBase::TrackBase::reset() {
-    audio_track_cblk_t* cblk = this->cblk();
-
-    cblk->user = 0;
-    cblk->server = 0;
-    cblk->userBase = 0;
-    cblk->serverBase = 0;
-    mFlags &= (uint32_t)(~SYSTEM_FLAGS_MASK);
-    LOGV("TrackBase::reset");
-}
-
-sp<IMemory> AudioFlinger::ThreadBase::TrackBase::getCblk() const
-{
-    return mCblkMemory;
-}
-
-int AudioFlinger::ThreadBase::TrackBase::sampleRate() const {
-    return (int)mCblk->sampleRate;
-}
-
-int AudioFlinger::ThreadBase::TrackBase::channelCount() const {
-    return (int)mCblk->channels;
-}
-
-void* AudioFlinger::ThreadBase::TrackBase::getBuffer(uint32_t offset, uint32_t frames) const {
-    audio_track_cblk_t* cblk = this->cblk();
-    int8_t *bufferStart = (int8_t *)mBuffer + (offset-cblk->serverBase)*cblk->frameSize;
-    int8_t *bufferEnd = bufferStart + frames * cblk->frameSize;
-
-    // Check validity of returned pointer in case the track control block would have been corrupted.
-    if (bufferStart < mBuffer || bufferStart > bufferEnd || bufferEnd > mBufferEnd ||
-        ((unsigned long)bufferStart & (unsigned long)(cblk->frameSize - 1))) {
-        LOGE("TrackBase::getBuffer buffer out of range:\n    start: %p, end %p , mBuffer %p mBufferEnd %p\n    \
-                server %d, serverBase %d, user %d, userBase %d, channels %d",
-                bufferStart, bufferEnd, mBuffer, mBufferEnd,
-                cblk->server, cblk->serverBase, cblk->user, cblk->userBase, cblk->channels);
-        return 0;
-    }
-
-    return bufferStart;
-}
-
-// ----------------------------------------------------------------------------
-
-// Track constructor must be called with AudioFlinger::mLock and ThreadBase::mLock held
-AudioFlinger::PlaybackThread::Track::Track(
-            const wp<ThreadBase>& thread,
-            const sp<Client>& client,
-            int streamType,
-            uint32_t sampleRate,
-            int format,
-            int channelCount,
-            int frameCount,
-            const sp<IMemory>& sharedBuffer)
-    :   TrackBase(thread, client, sampleRate, format, channelCount, frameCount, 0, sharedBuffer),
-    mMute(false), mSharedBuffer(sharedBuffer), mName(-1)
-{
-    if (mCblk != NULL) {
-        sp<ThreadBase> baseThread = thread.promote();
-        if (baseThread != 0) {
-            PlaybackThread *playbackThread = (PlaybackThread *)baseThread.get();
-            mName = playbackThread->getTrackName_l();
-        }
-        LOGV("Track constructor name %d, calling thread %d", mName, IPCThreadState::self()->getCallingPid());
-        if (mName < 0) {
-            LOGE("no more track names available");
-        }
-        mVolume[0] = 1.0f;
-        mVolume[1] = 1.0f;
-        mStreamType = streamType;
-        // NOTE: audio_track_cblk_t::frameSize for 8 bit PCM data is based on a sample size of
-        // 16 bit because data is converted to 16 bit before being stored in buffer by AudioTrack
-        mCblk->frameSize = AudioSystem::isLinearPCM(format) ? channelCount * sizeof(int16_t) : sizeof(int8_t);
-    }
-}
-
-AudioFlinger::PlaybackThread::Track::~Track()
-{
-    LOGV("PlaybackThread::Track destructor");
-    sp<ThreadBase> thread = mThread.promote();
-    if (thread != 0) {
-        Mutex::Autolock _l(thread->mLock);
-        mState = TERMINATED;
-    }
-}
-
-void AudioFlinger::PlaybackThread::Track::destroy()
-{
-    // NOTE: destroyTrack_l() can remove a strong reference to this Track
-    // by removing it from mTracks vector, so there is a risk that this Tracks's
-    // desctructor is called. As the destructor needs to lock mLock,
-    // we must acquire a strong reference on this Track before locking mLock
-    // here so that the destructor is called only when exiting this function.
-    // On the other hand, as long as Track::destroy() is only called by
-    // TrackHandle destructor, the TrackHandle still holds a strong ref on
-    // this Track with its member mTrack.
-    sp<Track> keep(this);
-    { // scope for mLock
-        sp<ThreadBase> thread = mThread.promote();
-        if (thread != 0) {
-            if (!isOutputTrack()) {
-                if (mState == ACTIVE || mState == RESUMING) {
-                    AudioSystem::stopOutput(thread->id(), (AudioSystem::stream_type)mStreamType);
-                }
-                AudioSystem::releaseOutput(thread->id());
-            }
-            Mutex::Autolock _l(thread->mLock);
-            PlaybackThread *playbackThread = (PlaybackThread *)thread.get();
-            playbackThread->destroyTrack_l(this);
-        }
-    }
-}
-
-void AudioFlinger::PlaybackThread::Track::dump(char* buffer, size_t size)
-{
-    snprintf(buffer, size, "  %5d %5d %3u %3u %3u %04u %1d %1d %1d %5u %5u %5u  %08x %08x\n",
-            mName - AudioMixer::TRACK0,
-            (mClient == NULL) ? getpid() : mClient->pid(),
-            mStreamType,
-            mFormat,
-            mCblk->channels,
-            mFrameCount,
-            mState,
-            mMute,
-            mFillingUpStatus,
-            mCblk->sampleRate,
-            mCblk->volume[0],
-            mCblk->volume[1],
-            mCblk->server,
-            mCblk->user);
-}
-
-status_t AudioFlinger::PlaybackThread::Track::getNextBuffer(AudioBufferProvider::Buffer* buffer)
-{
-     audio_track_cblk_t* cblk = this->cblk();
-     uint32_t framesReady;
-     uint32_t framesReq = buffer->frameCount;
-
-     // Check if last stepServer failed, try to step now
-     if (mFlags & TrackBase::STEPSERVER_FAILED) {
-         if (!step())  goto getNextBuffer_exit;
-         LOGV("stepServer recovered");
-         mFlags &= ~TrackBase::STEPSERVER_FAILED;
-     }
-
-     framesReady = cblk->framesReady();
-
-     if (LIKELY(framesReady)) {
-        uint32_t s = cblk->server;
-        uint32_t bufferEnd = cblk->serverBase + cblk->frameCount;
-
-        bufferEnd = (cblk->loopEnd < bufferEnd) ? cblk->loopEnd : bufferEnd;
-        if (framesReq > framesReady) {
-            framesReq = framesReady;
-        }
-        if (s + framesReq > bufferEnd) {
-            framesReq = bufferEnd - s;
-        }
-
-         buffer->raw = getBuffer(s, framesReq);
-         if (buffer->raw == 0) goto getNextBuffer_exit;
-
-         buffer->frameCount = framesReq;
-        return NO_ERROR;
-     }
-
-getNextBuffer_exit:
-     buffer->raw = 0;
-     buffer->frameCount = 0;
-     LOGV("getNextBuffer() no more data for track %d on thread %p", mName, mThread.unsafe_get());
-     return NOT_ENOUGH_DATA;
-}
-
-bool AudioFlinger::PlaybackThread::Track::isReady() const {
-    if (mFillingUpStatus != FS_FILLING) return true;
-
-    if (mCblk->framesReady() >= mCblk->frameCount ||
-        mCblk->forceReady) {
-        mFillingUpStatus = FS_FILLED;
-        mCblk->forceReady = 0;
-        return true;
-    }
-    return false;
-}
-
-status_t AudioFlinger::PlaybackThread::Track::start()
-{
-    status_t status = NO_ERROR;
-    LOGV("start(%d), calling thread %d", mName, IPCThreadState::self()->getCallingPid());
-    sp<ThreadBase> thread = mThread.promote();
-    if (thread != 0) {
-        Mutex::Autolock _l(thread->mLock);
-        int state = mState;
-        // here the track could be either new, or restarted
-        // in both cases "unstop" the track
-        if (mState == PAUSED) {
-            mState = TrackBase::RESUMING;
-            LOGV("PAUSED => RESUMING (%d) on thread %p", mName, this);
-        } else {
-            mState = TrackBase::ACTIVE;
-            LOGV("? => ACTIVE (%d) on thread %p", mName, this);
-        }
-
-        if (!isOutputTrack() && state != ACTIVE && state != RESUMING) {
-            thread->mLock.unlock();
-            status = AudioSystem::startOutput(thread->id(), (AudioSystem::stream_type)mStreamType);
-            thread->mLock.lock();
-        }
-        if (status == NO_ERROR) {
-            PlaybackThread *playbackThread = (PlaybackThread *)thread.get();
-            playbackThread->addTrack_l(this);
-        } else {
-            mState = state;
-        }
-    } else {
-        status = BAD_VALUE;
-    }
-    return status;
-}
-
-void AudioFlinger::PlaybackThread::Track::stop()
-{
-    LOGV("stop(%d), calling thread %d", mName, IPCThreadState::self()->getCallingPid());
-    sp<ThreadBase> thread = mThread.promote();
-    if (thread != 0) {
-        Mutex::Autolock _l(thread->mLock);
-        int state = mState;
-        if (mState > STOPPED) {
-            mState = STOPPED;
-            // If the track is not active (PAUSED and buffers full), flush buffers
-            PlaybackThread *playbackThread = (PlaybackThread *)thread.get();
-            if (playbackThread->mActiveTracks.indexOf(this) < 0) {
-                reset();
-            }
-            LOGV("(> STOPPED) => STOPPED (%d) on thread %p", mName, playbackThread);
-        }
-        if (!isOutputTrack() && (state == ACTIVE || state == RESUMING)) {
-            thread->mLock.unlock();
-            AudioSystem::stopOutput(thread->id(), (AudioSystem::stream_type)mStreamType);
-            thread->mLock.lock();
-        }
-    }
-}
-
-void AudioFlinger::PlaybackThread::Track::pause()
-{
-    LOGV("pause(%d), calling thread %d", mName, IPCThreadState::self()->getCallingPid());
-    sp<ThreadBase> thread = mThread.promote();
-    if (thread != 0) {
-        Mutex::Autolock _l(thread->mLock);
-        if (mState == ACTIVE || mState == RESUMING) {
-            mState = PAUSING;
-            LOGV("ACTIVE/RESUMING => PAUSING (%d) on thread %p", mName, thread.get());
-            if (!isOutputTrack()) {
-                thread->mLock.unlock();
-                AudioSystem::stopOutput(thread->id(), (AudioSystem::stream_type)mStreamType);
-                thread->mLock.lock();
-            }
-        }
-    }
-}
-
-void AudioFlinger::PlaybackThread::Track::flush()
-{
-    LOGV("flush(%d)", mName);
-    sp<ThreadBase> thread = mThread.promote();
-    if (thread != 0) {
-        Mutex::Autolock _l(thread->mLock);
-        if (mState != STOPPED && mState != PAUSED && mState != PAUSING) {
-            return;
-        }
-        // No point remaining in PAUSED state after a flush => go to
-        // STOPPED state
-        mState = STOPPED;
-
-        mCblk->lock.lock();
-        // NOTE: reset() will reset cblk->user and cblk->server with
-        // the risk that at the same time, the AudioMixer is trying to read
-        // data. In this case, getNextBuffer() would return a NULL pointer
-        // as audio buffer => the AudioMixer code MUST always test that pointer
-        // returned by getNextBuffer() is not NULL!
-        reset();
-        mCblk->lock.unlock();
-    }
-}
-
-void AudioFlinger::PlaybackThread::Track::reset()
-{
-    // Do not reset twice to avoid discarding data written just after a flush and before
-    // the audioflinger thread detects the track is stopped.
-    if (!mResetDone) {
-        TrackBase::reset();
-        // Force underrun condition to avoid false underrun callback until first data is
-        // written to buffer
-        mCblk->flowControlFlag = 1;
-        mCblk->forceReady = 0;
-        mFillingUpStatus = FS_FILLING;
-        mResetDone = true;
-    }
-}
-
-void AudioFlinger::PlaybackThread::Track::mute(bool muted)
-{
-    mMute = muted;
-}
-
-void AudioFlinger::PlaybackThread::Track::setVolume(float left, float right)
-{
-    mVolume[0] = left;
-    mVolume[1] = right;
-}
-
-// ----------------------------------------------------------------------------
-
-// RecordTrack constructor must be called with AudioFlinger::mLock held
-AudioFlinger::RecordThread::RecordTrack::RecordTrack(
-            const wp<ThreadBase>& thread,
-            const sp<Client>& client,
-            uint32_t sampleRate,
-            int format,
-            int channelCount,
-            int frameCount,
-            uint32_t flags)
-    :   TrackBase(thread, client, sampleRate, format,
-                  channelCount, frameCount, flags, 0),
-        mOverflow(false)
-{
-    if (mCblk != NULL) {
-       LOGV("RecordTrack constructor, size %d", (int)mBufferEnd - (int)mBuffer);
-       if (format == AudioSystem::PCM_16_BIT) {
-           mCblk->frameSize = channelCount * sizeof(int16_t);
-       } else if (format == AudioSystem::PCM_8_BIT) {
-           mCblk->frameSize = channelCount * sizeof(int8_t);
-       } else {
-           mCblk->frameSize = sizeof(int8_t);
-       }
-    }
-}
-
-AudioFlinger::RecordThread::RecordTrack::~RecordTrack()
-{
-    sp<ThreadBase> thread = mThread.promote();
-    if (thread != 0) {
-        AudioSystem::releaseInput(thread->id());
-    }
-}
-
-status_t AudioFlinger::RecordThread::RecordTrack::getNextBuffer(AudioBufferProvider::Buffer* buffer)
-{
-    audio_track_cblk_t* cblk = this->cblk();
-    uint32_t framesAvail;
-    uint32_t framesReq = buffer->frameCount;
-
-     // Check if last stepServer failed, try to step now
-    if (mFlags & TrackBase::STEPSERVER_FAILED) {
-        if (!step()) goto getNextBuffer_exit;
-        LOGV("stepServer recovered");
-        mFlags &= ~TrackBase::STEPSERVER_FAILED;
-    }
-
-    framesAvail = cblk->framesAvailable_l();
-
-    if (LIKELY(framesAvail)) {
-        uint32_t s = cblk->server;
-        uint32_t bufferEnd = cblk->serverBase + cblk->frameCount;
-
-        if (framesReq > framesAvail) {
-            framesReq = framesAvail;
-        }
-        if (s + framesReq > bufferEnd) {
-            framesReq = bufferEnd - s;
-        }
-
-        buffer->raw = getBuffer(s, framesReq);
-        if (buffer->raw == 0) goto getNextBuffer_exit;
-
-        buffer->frameCount = framesReq;
-        return NO_ERROR;
-    }
-
-getNextBuffer_exit:
-    buffer->raw = 0;
-    buffer->frameCount = 0;
-    return NOT_ENOUGH_DATA;
-}
-
-status_t AudioFlinger::RecordThread::RecordTrack::start()
-{
-    sp<ThreadBase> thread = mThread.promote();
-    if (thread != 0) {
-        RecordThread *recordThread = (RecordThread *)thread.get();
-        return recordThread->start(this);
-    } else {
-        return BAD_VALUE;
-    }
-}
-
-void AudioFlinger::RecordThread::RecordTrack::stop()
-{
-    sp<ThreadBase> thread = mThread.promote();
-    if (thread != 0) {
-        RecordThread *recordThread = (RecordThread *)thread.get();
-        recordThread->stop(this);
-        TrackBase::reset();
-        // Force overerrun condition to avoid false overrun callback until first data is
-        // read from buffer
-        mCblk->flowControlFlag = 1;
-    }
-}
-
-void AudioFlinger::RecordThread::RecordTrack::dump(char* buffer, size_t size)
-{
-    snprintf(buffer, size, "   %05d %03u %03u %04u %01d %05u  %08x %08x\n",
-            (mClient == NULL) ? getpid() : mClient->pid(),
-            mFormat,
-            mCblk->channels,
-            mFrameCount,
-            mState,
-            mCblk->sampleRate,
-            mCblk->server,
-            mCblk->user);
-}
-
-
-// ----------------------------------------------------------------------------
-
-AudioFlinger::PlaybackThread::OutputTrack::OutputTrack(
-            const wp<ThreadBase>& thread,
-            DuplicatingThread *sourceThread,
-            uint32_t sampleRate,
-            int format,
-            int channelCount,
-            int frameCount)
-    :   Track(thread, NULL, AudioSystem::NUM_STREAM_TYPES, sampleRate, format, channelCount, frameCount, NULL),
-    mActive(false), mSourceThread(sourceThread)
-{
-
-    PlaybackThread *playbackThread = (PlaybackThread *)thread.unsafe_get();
-    if (mCblk != NULL) {
-        mCblk->out = 1;
-        mCblk->buffers = (char*)mCblk + sizeof(audio_track_cblk_t);
-        mCblk->volume[0] = mCblk->volume[1] = 0x1000;
-        mOutBuffer.frameCount = 0;
-        playbackThread->mTracks.add(this);
-        LOGV("OutputTrack constructor mCblk %p, mBuffer %p, mCblk->buffers %p, mCblk->frameCount %d, mCblk->sampleRate %d, mCblk->channels %d mBufferEnd %p",
-                mCblk, mBuffer, mCblk->buffers, mCblk->frameCount, mCblk->sampleRate, mCblk->channels, mBufferEnd);
-    } else {
-        LOGW("Error creating output track on thread %p", playbackThread);
-    }
-}
-
-AudioFlinger::PlaybackThread::OutputTrack::~OutputTrack()
-{
-    clearBufferQueue();
-}
-
-status_t AudioFlinger::PlaybackThread::OutputTrack::start()
-{
-    status_t status = Track::start();
-    if (status != NO_ERROR) {
-        return status;
-    }
-
-    mActive = true;
-    mRetryCount = 127;
-    return status;
-}
-
-void AudioFlinger::PlaybackThread::OutputTrack::stop()
-{
-    Track::stop();
-    clearBufferQueue();
-    mOutBuffer.frameCount = 0;
-    mActive = false;
-}
-
-bool AudioFlinger::PlaybackThread::OutputTrack::write(int16_t* data, uint32_t frames)
-{
-    Buffer *pInBuffer;
-    Buffer inBuffer;
-    uint32_t channels = mCblk->channels;
-    bool outputBufferFull = false;
-    inBuffer.frameCount = frames;
-    inBuffer.i16 = data;
-
-    uint32_t waitTimeLeftMs = mSourceThread->waitTimeMs();
-
-    if (!mActive && frames != 0) {
-        start();
-        sp<ThreadBase> thread = mThread.promote();
-        if (thread != 0) {
-            MixerThread *mixerThread = (MixerThread *)thread.get();
-            if (mCblk->frameCount > frames){
-                if (mBufferQueue.size() < kMaxOverFlowBuffers) {
-                    uint32_t startFrames = (mCblk->frameCount - frames);
-                    pInBuffer = new Buffer;
-                    pInBuffer->mBuffer = new int16_t[startFrames * channels];
-                    pInBuffer->frameCount = startFrames;
-                    pInBuffer->i16 = pInBuffer->mBuffer;
-                    memset(pInBuffer->raw, 0, startFrames * channels * sizeof(int16_t));
-                    mBufferQueue.add(pInBuffer);
-                } else {
-                    LOGW ("OutputTrack::write() %p no more buffers in queue", this);
-                }
-            }
-        }
-    }
-
-    while (waitTimeLeftMs) {
-        // First write pending buffers, then new data
-        if (mBufferQueue.size()) {
-            pInBuffer = mBufferQueue.itemAt(0);
-        } else {
-            pInBuffer = &inBuffer;
-        }
-
-        if (pInBuffer->frameCount == 0) {
-            break;
-        }
-
-        if (mOutBuffer.frameCount == 0) {
-            mOutBuffer.frameCount = pInBuffer->frameCount;
-            nsecs_t startTime = systemTime();
-            if (obtainBuffer(&mOutBuffer, waitTimeLeftMs) == (status_t)AudioTrack::NO_MORE_BUFFERS) {
-                LOGV ("OutputTrack::write() %p thread %p no more output buffers", this, mThread.unsafe_get());
-                outputBufferFull = true;
-                break;
-            }
-            uint32_t waitTimeMs = (uint32_t)ns2ms(systemTime() - startTime);
-            if (waitTimeLeftMs >= waitTimeMs) {
-                waitTimeLeftMs -= waitTimeMs;
-            } else {
-                waitTimeLeftMs = 0;
-            }
-        }
-
-        uint32_t outFrames = pInBuffer->frameCount > mOutBuffer.frameCount ? mOutBuffer.frameCount : pInBuffer->frameCount;
-        memcpy(mOutBuffer.raw, pInBuffer->raw, outFrames * channels * sizeof(int16_t));
-        mCblk->stepUser(outFrames);
-        pInBuffer->frameCount -= outFrames;
-        pInBuffer->i16 += outFrames * channels;
-        mOutBuffer.frameCount -= outFrames;
-        mOutBuffer.i16 += outFrames * channels;
-
-        if (pInBuffer->frameCount == 0) {
-            if (mBufferQueue.size()) {
-                mBufferQueue.removeAt(0);
-                delete [] pInBuffer->mBuffer;
-                delete pInBuffer;
-                LOGV("OutputTrack::write() %p thread %p released overflow buffer %d", this, mThread.unsafe_get(), mBufferQueue.size());
-            } else {
-                break;
-            }
-        }
-    }
-
-    // If we could not write all frames, allocate a buffer and queue it for next time.
-    if (inBuffer.frameCount) {
-        sp<ThreadBase> thread = mThread.promote();
-        if (thread != 0 && !thread->standby()) {
-            if (mBufferQueue.size() < kMaxOverFlowBuffers) {
-                pInBuffer = new Buffer;
-                pInBuffer->mBuffer = new int16_t[inBuffer.frameCount * channels];
-                pInBuffer->frameCount = inBuffer.frameCount;
-                pInBuffer->i16 = pInBuffer->mBuffer;
-                memcpy(pInBuffer->raw, inBuffer.raw, inBuffer.frameCount * channels * sizeof(int16_t));
-                mBufferQueue.add(pInBuffer);
-                LOGV("OutputTrack::write() %p thread %p adding overflow buffer %d", this, mThread.unsafe_get(), mBufferQueue.size());
-            } else {
-                LOGW("OutputTrack::write() %p thread %p no more overflow buffers", mThread.unsafe_get(), this);
-            }
-        }
-    }
-
-    // Calling write() with a 0 length buffer, means that no more data will be written:
-    // If no more buffers are pending, fill output track buffer to make sure it is started
-    // by output mixer.
-    if (frames == 0 && mBufferQueue.size() == 0) {
-        if (mCblk->user < mCblk->frameCount) {
-            frames = mCblk->frameCount - mCblk->user;
-            pInBuffer = new Buffer;
-            pInBuffer->mBuffer = new int16_t[frames * channels];
-            pInBuffer->frameCount = frames;
-            pInBuffer->i16 = pInBuffer->mBuffer;
-            memset(pInBuffer->raw, 0, frames * channels * sizeof(int16_t));
-            mBufferQueue.add(pInBuffer);
-        } else if (mActive) {
-            stop();
-        }
-    }
-
-    return outputBufferFull;
-}
-
-status_t AudioFlinger::PlaybackThread::OutputTrack::obtainBuffer(AudioBufferProvider::Buffer* buffer, uint32_t waitTimeMs)
-{
-    int active;
-    status_t result;
-    audio_track_cblk_t* cblk = mCblk;
-    uint32_t framesReq = buffer->frameCount;
-
-//    LOGV("OutputTrack::obtainBuffer user %d, server %d", cblk->user, cblk->server);
-    buffer->frameCount  = 0;
-
-    uint32_t framesAvail = cblk->framesAvailable();
-
-
-    if (framesAvail == 0) {
-        Mutex::Autolock _l(cblk->lock);
-        goto start_loop_here;
-        while (framesAvail == 0) {
-            active = mActive;
-            if (UNLIKELY(!active)) {
-                LOGV("Not active and NO_MORE_BUFFERS");
-                return AudioTrack::NO_MORE_BUFFERS;
-            }
-            result = cblk->cv.waitRelative(cblk->lock, milliseconds(waitTimeMs));
-            if (result != NO_ERROR) {
-                return AudioTrack::NO_MORE_BUFFERS;
-            }
-            // read the server count again
-        start_loop_here:
-            framesAvail = cblk->framesAvailable_l();
-        }
-    }
-
-//    if (framesAvail < framesReq) {
-//        return AudioTrack::NO_MORE_BUFFERS;
-//    }
-
-    if (framesReq > framesAvail) {
-        framesReq = framesAvail;
-    }
-
-    uint32_t u = cblk->user;
-    uint32_t bufferEnd = cblk->userBase + cblk->frameCount;
-
-    if (u + framesReq > bufferEnd) {
-        framesReq = bufferEnd - u;
-    }
-
-    buffer->frameCount  = framesReq;
-    buffer->raw         = (void *)cblk->buffer(u);
-    return NO_ERROR;
-}
-
-
-void AudioFlinger::PlaybackThread::OutputTrack::clearBufferQueue()
-{
-    size_t size = mBufferQueue.size();
-    Buffer *pBuffer;
-
-    for (size_t i = 0; i < size; i++) {
-        pBuffer = mBufferQueue.itemAt(i);
-        delete [] pBuffer->mBuffer;
-        delete pBuffer;
-    }
-    mBufferQueue.clear();
-}
-
-// ----------------------------------------------------------------------------
-
-AudioFlinger::Client::Client(const sp<AudioFlinger>& audioFlinger, pid_t pid)
-    :   RefBase(),
-        mAudioFlinger(audioFlinger),
-        mMemoryDealer(new MemoryDealer(1024*1024, "AudioFlinger::Client")),
-        mPid(pid)
-{
-    // 1 MB of address space is good for 32 tracks, 8 buffers each, 4 KB/buffer
-}
-
-// Client destructor must be called with AudioFlinger::mLock held
-AudioFlinger::Client::~Client()
-{
-    mAudioFlinger->removeClient_l(mPid);
-}
-
-const sp<MemoryDealer>& AudioFlinger::Client::heap() const
-{
-    return mMemoryDealer;
-}
-
-// ----------------------------------------------------------------------------
-
-AudioFlinger::TrackHandle::TrackHandle(const sp<AudioFlinger::PlaybackThread::Track>& track)
-    : BnAudioTrack(),
-      mTrack(track)
-{
-}
-
-AudioFlinger::TrackHandle::~TrackHandle() {
-    // just stop the track on deletion, associated resources
-    // will be freed from the main thread once all pending buffers have
-    // been played. Unless it's not in the active track list, in which
-    // case we free everything now...
-    mTrack->destroy();
-}
-
-status_t AudioFlinger::TrackHandle::start() {
-    return mTrack->start();
-}
-
-void AudioFlinger::TrackHandle::stop() {
-    mTrack->stop();
-}
-
-void AudioFlinger::TrackHandle::flush() {
-    mTrack->flush();
-}
-
-void AudioFlinger::TrackHandle::mute(bool e) {
-    mTrack->mute(e);
-}
-
-void AudioFlinger::TrackHandle::pause() {
-    mTrack->pause();
-}
-
-void AudioFlinger::TrackHandle::setVolume(float left, float right) {
-    mTrack->setVolume(left, right);
-}
-
-sp<IMemory> AudioFlinger::TrackHandle::getCblk() const {
-    return mTrack->getCblk();
-}
-
-status_t AudioFlinger::TrackHandle::onTransact(
-    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
-{
-    return BnAudioTrack::onTransact(code, data, reply, flags);
-}
-
-// ----------------------------------------------------------------------------
-
-sp<IAudioRecord> AudioFlinger::openRecord(
-        pid_t pid,
-        int input,
-        uint32_t sampleRate,
-        int format,
-        int channelCount,
-        int frameCount,
-        uint32_t flags,
-        status_t *status)
-{
-    sp<RecordThread::RecordTrack> recordTrack;
-    sp<RecordHandle> recordHandle;
-    sp<Client> client;
-    wp<Client> wclient;
-    status_t lStatus;
-    RecordThread *thread;
-    size_t inFrameCount;
-
-    // check calling permissions
-    if (!recordingAllowed()) {
-        lStatus = PERMISSION_DENIED;
-        goto Exit;
-    }
-
-    // add client to list
-    { // scope for mLock
-        Mutex::Autolock _l(mLock);
-        thread = checkRecordThread_l(input);
-        if (thread == NULL) {
-            lStatus = BAD_VALUE;
-            goto Exit;
-        }
-
-        wclient = mClients.valueFor(pid);
-        if (wclient != NULL) {
-            client = wclient.promote();
-        } else {
-            client = new Client(this, pid);
-            mClients.add(pid, client);
-        }
-
-        // create new record track. The record track uses one track in mHardwareMixerThread by convention.
-        recordTrack = new RecordThread::RecordTrack(thread, client, sampleRate,
-                                                   format, channelCount, frameCount, flags);
-    }
-    if (recordTrack->getCblk() == NULL) {
-        // remove local strong reference to Client before deleting the RecordTrack so that the Client
-        // destructor is called by the TrackBase destructor with mLock held
-        client.clear();
-        recordTrack.clear();
-        lStatus = NO_MEMORY;
-        goto Exit;
-    }
-
-    // return to handle to client
-    recordHandle = new RecordHandle(recordTrack);
-    lStatus = NO_ERROR;
-
-Exit:
-    if (status) {
-        *status = lStatus;
-    }
-    return recordHandle;
-}
-
-// ----------------------------------------------------------------------------
-
-AudioFlinger::RecordHandle::RecordHandle(const sp<AudioFlinger::RecordThread::RecordTrack>& recordTrack)
-    : BnAudioRecord(),
-    mRecordTrack(recordTrack)
-{
-}
-
-AudioFlinger::RecordHandle::~RecordHandle() {
-    stop();
-}
-
-status_t AudioFlinger::RecordHandle::start() {
-    LOGV("RecordHandle::start()");
-    return mRecordTrack->start();
-}
-
-void AudioFlinger::RecordHandle::stop() {
-    LOGV("RecordHandle::stop()");
-    mRecordTrack->stop();
-}
-
-sp<IMemory> AudioFlinger::RecordHandle::getCblk() const {
-    return mRecordTrack->getCblk();
-}
-
-status_t AudioFlinger::RecordHandle::onTransact(
-    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
-{
-    return BnAudioRecord::onTransact(code, data, reply, flags);
-}
-
-// ----------------------------------------------------------------------------
-
-AudioFlinger::RecordThread::RecordThread(const sp<AudioFlinger>& audioFlinger, AudioStreamIn *input, uint32_t sampleRate, uint32_t channels, int id) :
-    ThreadBase(audioFlinger, id),
-    mInput(input), mResampler(0), mRsmpOutBuffer(0), mRsmpInBuffer(0)
-{
-    mReqChannelCount = AudioSystem::popCount(channels);
-    mReqSampleRate = sampleRate;
-    readInputParameters();
-    sendConfigEvent(AudioSystem::INPUT_OPENED);
-}
-
-
-AudioFlinger::RecordThread::~RecordThread()
-{
-    delete[] mRsmpInBuffer;
-    if (mResampler != 0) {
-        delete mResampler;
-        delete[] mRsmpOutBuffer;
-    }
-}
-
-void AudioFlinger::RecordThread::onFirstRef()
-{
-    const size_t SIZE = 256;
-    char buffer[SIZE];
-
-    snprintf(buffer, SIZE, "Record Thread %p", this);
-
-    run(buffer, PRIORITY_URGENT_AUDIO);
-}
-
-bool AudioFlinger::RecordThread::threadLoop()
-{
-    AudioBufferProvider::Buffer buffer;
-    sp<RecordTrack> activeTrack;
-
-    // start recording
-    while (!exitPending()) {
-
-        processConfigEvents();
-
-        { // scope for mLock
-            Mutex::Autolock _l(mLock);
-            checkForNewParameters_l();
-            if (mActiveTrack == 0 && mConfigEvents.isEmpty()) {
-                if (!mStandby) {
-                    mInput->standby();
-                    mStandby = true;
-                }
-
-                if (exitPending()) break;
-
-                LOGV("RecordThread: loop stopping");
-                // go to sleep
-                mWaitWorkCV.wait(mLock);
-                LOGV("RecordThread: loop starting");
-                continue;
-            }
-            if (mActiveTrack != 0) {
-                if (mActiveTrack->mState == TrackBase::PAUSING) {
-                    if (!mStandby) {
-                        mInput->standby();
-                        mStandby = true;
-                    }
-                    mActiveTrack.clear();
-                    mStartStopCond.broadcast();
-                } else if (mActiveTrack->mState == TrackBase::RESUMING) {
-                    if (mReqChannelCount != mActiveTrack->channelCount()) {
-                        mActiveTrack.clear();
-                        mStartStopCond.broadcast();
-                    } else if (mBytesRead != 0) {
-                        // record start succeeds only if first read from audio input
-                        // succeeds
-                        if (mBytesRead > 0) {
-                            mActiveTrack->mState = TrackBase::ACTIVE;
-                        } else {
-                            mActiveTrack.clear();
-                        }
-                        mStartStopCond.broadcast();
-                    }
-                    mStandby = false;
-                }
-            }
-        }
-
-        if (mActiveTrack != 0) {
-            if (mActiveTrack->mState != TrackBase::ACTIVE &&
-                mActiveTrack->mState != TrackBase::RESUMING) {
-                usleep(5000);
-                continue;
-            }
-            buffer.frameCount = mFrameCount;
-            if (LIKELY(mActiveTrack->getNextBuffer(&buffer) == NO_ERROR)) {
-                size_t framesOut = buffer.frameCount;
-                if (mResampler == 0) {
-                    // no resampling
-                    while (framesOut) {
-                        size_t framesIn = mFrameCount - mRsmpInIndex;
-                        if (framesIn) {
-                            int8_t *src = (int8_t *)mRsmpInBuffer + mRsmpInIndex * mFrameSize;
-                            int8_t *dst = buffer.i8 + (buffer.frameCount - framesOut) * mActiveTrack->mCblk->frameSize;
-                            if (framesIn > framesOut)
-                                framesIn = framesOut;
-                            mRsmpInIndex += framesIn;
-                            framesOut -= framesIn;
-                            if (mChannelCount == mReqChannelCount ||
-                                mFormat != AudioSystem::PCM_16_BIT) {
-                                memcpy(dst, src, framesIn * mFrameSize);
-                            } else {
-                                int16_t *src16 = (int16_t *)src;
-                                int16_t *dst16 = (int16_t *)dst;
-                                if (mChannelCount == 1) {
-                                    while (framesIn--) {
-                                        *dst16++ = *src16;
-                                        *dst16++ = *src16++;
-                                    }
-                                } else {
-                                    while (framesIn--) {
-                                        *dst16++ = (int16_t)(((int32_t)*src16 + (int32_t)*(src16 + 1)) >> 1);
-                                        src16 += 2;
-                                    }
-                                }
-                            }
-                        }
-                        if (framesOut && mFrameCount == mRsmpInIndex) {
-                            if (framesOut == mFrameCount &&
-                                (mChannelCount == mReqChannelCount || mFormat != AudioSystem::PCM_16_BIT)) {
-                                mBytesRead = mInput->read(buffer.raw, mInputBytes);
-                                framesOut = 0;
-                            } else {
-                                mBytesRead = mInput->read(mRsmpInBuffer, mInputBytes);
-                                mRsmpInIndex = 0;
-                            }
-                            if (mBytesRead < 0) {
-                                LOGE("Error reading audio input");
-                                if (mActiveTrack->mState == TrackBase::ACTIVE) {
-                                    // Force input into standby so that it tries to
-                                    // recover at next read attempt
-                                    mInput->standby();
-                                    usleep(5000);
-                                }
-                                mRsmpInIndex = mFrameCount;
-                                framesOut = 0;
-                                buffer.frameCount = 0;
-                            }
-                        }
-                    }
-                } else {
-                    // resampling
-
-                    memset(mRsmpOutBuffer, 0, framesOut * 2 * sizeof(int32_t));
-                    // alter output frame count as if we were expecting stereo samples
-                    if (mChannelCount == 1 && mReqChannelCount == 1) {
-                        framesOut >>= 1;
-                    }
-                    mResampler->resample(mRsmpOutBuffer, framesOut, this);
-                    // ditherAndClamp() works as long as all buffers returned by mActiveTrack->getNextBuffer()
-                    // are 32 bit aligned which should be always true.
-                    if (mChannelCount == 2 && mReqChannelCount == 1) {
-                        AudioMixer::ditherAndClamp(mRsmpOutBuffer, mRsmpOutBuffer, framesOut);
-                        // the resampler always outputs stereo samples: do post stereo to mono conversion
-                        int16_t *src = (int16_t *)mRsmpOutBuffer;
-                        int16_t *dst = buffer.i16;
-                        while (framesOut--) {
-                            *dst++ = (int16_t)(((int32_t)*src + (int32_t)*(src + 1)) >> 1);
-                            src += 2;
-                        }
-                    } else {
-                        AudioMixer::ditherAndClamp((int32_t *)buffer.raw, mRsmpOutBuffer, framesOut);
-                    }
-
-                }
-                mActiveTrack->releaseBuffer(&buffer);
-                mActiveTrack->overflow();
-            }
-            // client isn't retrieving buffers fast enough
-            else {
-                if (!mActiveTrack->setOverflow())
-                    LOGW("RecordThread: buffer overflow");
-                // Release the processor for a while before asking for a new buffer.
-                // This will give the application more chance to read from the buffer and
-                // clear the overflow.
-                usleep(5000);
-            }
-        }
-    }
-
-    if (!mStandby) {
-        mInput->standby();
-    }
-    mActiveTrack.clear();
-
-    mStartStopCond.broadcast();
-
-    LOGV("RecordThread %p exiting", this);
-    return false;
-}
-
-status_t AudioFlinger::RecordThread::start(RecordThread::RecordTrack* recordTrack)
-{
-    LOGV("RecordThread::start");
-    sp <ThreadBase> strongMe = this;
-    status_t status = NO_ERROR;
-    {
-        AutoMutex lock(&mLock);
-        if (mActiveTrack != 0) {
-            if (recordTrack != mActiveTrack.get()) {
-                status = -EBUSY;
-            } else if (mActiveTrack->mState == TrackBase::PAUSING) {
-                mActiveTrack->mState = TrackBase::ACTIVE;
-            }
-            return status;
-        }
-
-        recordTrack->mState = TrackBase::IDLE;
-        mActiveTrack = recordTrack;
-        mLock.unlock();
-        status_t status = AudioSystem::startInput(mId);
-        mLock.lock();
-        if (status != NO_ERROR) {
-            mActiveTrack.clear();
-            return status;
-        }
-        mActiveTrack->mState = TrackBase::RESUMING;
-        mRsmpInIndex = mFrameCount;
-        mBytesRead = 0;
-        // signal thread to start
-        LOGV("Signal record thread");
-        mWaitWorkCV.signal();
-        // do not wait for mStartStopCond if exiting
-        if (mExiting) {
-            mActiveTrack.clear();
-            status = INVALID_OPERATION;
-            goto startError;
-        }
-        mStartStopCond.wait(mLock);
-        if (mActiveTrack == 0) {
-            LOGV("Record failed to start");
-            status = BAD_VALUE;
-            goto startError;
-        }
-        LOGV("Record started OK");
-        return status;
-    }
-startError:
-    AudioSystem::stopInput(mId);
-    return status;
-}
-
-void AudioFlinger::RecordThread::stop(RecordThread::RecordTrack* recordTrack) {
-    LOGV("RecordThread::stop");
-    sp <ThreadBase> strongMe = this;
-    {
-        AutoMutex lock(&mLock);
-        if (mActiveTrack != 0 && recordTrack == mActiveTrack.get()) {
-            mActiveTrack->mState = TrackBase::PAUSING;
-            // do not wait for mStartStopCond if exiting
-            if (mExiting) {
-                return;
-            }
-            mStartStopCond.wait(mLock);
-            // if we have been restarted, recordTrack == mActiveTrack.get() here
-            if (mActiveTrack == 0 || recordTrack != mActiveTrack.get()) {
-                mLock.unlock();
-                AudioSystem::stopInput(mId);
-                mLock.lock();
-                LOGV("Record stopped OK");
-            }
-        }
-    }
-}
-
-status_t AudioFlinger::RecordThread::dump(int fd, const Vector<String16>& args)
-{
-    const size_t SIZE = 256;
-    char buffer[SIZE];
-    String8 result;
-    pid_t pid = 0;
-
-    snprintf(buffer, SIZE, "\nInput thread %p internals\n", this);
-    result.append(buffer);
-
-    if (mActiveTrack != 0) {
-        result.append("Active Track:\n");
-        result.append("   Clien Fmt Chn Buf  S SRate  Serv     User\n");
-        mActiveTrack->dump(buffer, SIZE);
-        result.append(buffer);
-
-        snprintf(buffer, SIZE, "In index: %d\n", mRsmpInIndex);
-        result.append(buffer);
-        snprintf(buffer, SIZE, "In size: %d\n", mInputBytes);
-        result.append(buffer);
-        snprintf(buffer, SIZE, "Resampling: %d\n", (mResampler != 0));
-        result.append(buffer);
-        snprintf(buffer, SIZE, "Out channel count: %d\n", mReqChannelCount);
-        result.append(buffer);
-        snprintf(buffer, SIZE, "Out sample rate: %d\n", mReqSampleRate);
-        result.append(buffer);
-
-
-    } else {
-        result.append("No record client\n");
-    }
-    write(fd, result.string(), result.size());
-
-    dumpBase(fd, args);
-
-    return NO_ERROR;
-}
-
-status_t AudioFlinger::RecordThread::getNextBuffer(AudioBufferProvider::Buffer* buffer)
-{
-    size_t framesReq = buffer->frameCount;
-    size_t framesReady = mFrameCount - mRsmpInIndex;
-    int channelCount;
-
-    if (framesReady == 0) {
-        mBytesRead = mInput->read(mRsmpInBuffer, mInputBytes);
-        if (mBytesRead < 0) {
-            LOGE("RecordThread::getNextBuffer() Error reading audio input");
-            if (mActiveTrack->mState == TrackBase::ACTIVE) {
-                // Force input into standby so that it tries to
-                // recover at next read attempt
-                mInput->standby();
-                usleep(5000);
-            }
-            buffer->raw = 0;
-            buffer->frameCount = 0;
-            return NOT_ENOUGH_DATA;
-        }
-        mRsmpInIndex = 0;
-        framesReady = mFrameCount;
-    }
-
-    if (framesReq > framesReady) {
-        framesReq = framesReady;
-    }
-
-    if (mChannelCount == 1 && mReqChannelCount == 2) {
-        channelCount = 1;
-    } else {
-        channelCount = 2;
-    }
-    buffer->raw = mRsmpInBuffer + mRsmpInIndex * channelCount;
-    buffer->frameCount = framesReq;
-    return NO_ERROR;
-}
-
-void AudioFlinger::RecordThread::releaseBuffer(AudioBufferProvider::Buffer* buffer)
-{
-    mRsmpInIndex += buffer->frameCount;
-    buffer->frameCount = 0;
-}
-
-bool AudioFlinger::RecordThread::checkForNewParameters_l()
-{
-    bool reconfig = false;
-
-    while (!mNewParameters.isEmpty()) {
-        status_t status = NO_ERROR;
-        String8 keyValuePair = mNewParameters[0];
-        AudioParameter param = AudioParameter(keyValuePair);
-        int value;
-        int reqFormat = mFormat;
-        int reqSamplingRate = mReqSampleRate;
-        int reqChannelCount = mReqChannelCount;
-
-        if (param.getInt(String8(AudioParameter::keySamplingRate), value) == NO_ERROR) {
-            reqSamplingRate = value;
-            reconfig = true;
-        }
-        if (param.getInt(String8(AudioParameter::keyFormat), value) == NO_ERROR) {
-            reqFormat = value;
-            reconfig = true;
-        }
-        if (param.getInt(String8(AudioParameter::keyChannels), value) == NO_ERROR) {
-            reqChannelCount = AudioSystem::popCount(value);
-            reconfig = true;
-        }
-        if (param.getInt(String8(AudioParameter::keyFrameCount), value) == NO_ERROR) {
-            // do not accept frame count changes if tracks are open as the track buffer
-            // size depends on frame count and correct behavior would not be garantied
-            // if frame count is changed after track creation
-            if (mActiveTrack != 0) {
-                status = INVALID_OPERATION;
-            } else {
-                reconfig = true;
-            }
-        }
-        if (status == NO_ERROR) {
-            status = mInput->setParameters(keyValuePair);
-            if (status == INVALID_OPERATION) {
-               mInput->standby();
-               status = mInput->setParameters(keyValuePair);
-            }
-            if (reconfig) {
-                if (status == BAD_VALUE &&
-                    reqFormat == mInput->format() && reqFormat == AudioSystem::PCM_16_BIT &&
-                    ((int)mInput->sampleRate() <= 2 * reqSamplingRate) &&
-                    (AudioSystem::popCount(mInput->channels()) < 3) && (reqChannelCount < 3)) {
-                    status = NO_ERROR;
-                }
-                if (status == NO_ERROR) {
-                    readInputParameters();
-                    sendConfigEvent_l(AudioSystem::INPUT_CONFIG_CHANGED);
-                }
-            }
-        }
-
-        mNewParameters.removeAt(0);
-
-        mParamStatus = status;
-        mParamCond.signal();
-        mWaitWorkCV.wait(mLock);
-    }
-    return reconfig;
-}
-
-String8 AudioFlinger::RecordThread::getParameters(const String8& keys)
-{
-    return mInput->getParameters(keys);
-}
-
-void AudioFlinger::RecordThread::audioConfigChanged(int event, int param) {
-    AudioSystem::OutputDescriptor desc;
-    void *param2 = 0;
-
-    switch (event) {
-    case AudioSystem::INPUT_OPENED:
-    case AudioSystem::INPUT_CONFIG_CHANGED:
-        desc.channels = mChannelCount;
-        desc.samplingRate = mSampleRate;
-        desc.format = mFormat;
-        desc.frameCount = mFrameCount;
-        desc.latency = 0;
-        param2 = &desc;
-        break;
-
-    case AudioSystem::INPUT_CLOSED:
-    default:
-        break;
-    }
-    Mutex::Autolock _l(mAudioFlinger->mLock);
-    mAudioFlinger->audioConfigChanged_l(event, mId, param2);
-}
-
-void AudioFlinger::RecordThread::readInputParameters()
-{
-    if (mRsmpInBuffer) delete mRsmpInBuffer;
-    if (mRsmpOutBuffer) delete mRsmpOutBuffer;
-    if (mResampler) delete mResampler;
-    mResampler = 0;
-
-    mSampleRate = mInput->sampleRate();
-    mChannelCount = AudioSystem::popCount(mInput->channels());
-    mFormat = mInput->format();
-    mFrameSize = mInput->frameSize();
-    mInputBytes = mInput->bufferSize();
-    mFrameCount = mInputBytes / mFrameSize;
-    mRsmpInBuffer = new int16_t[mFrameCount * mChannelCount];
-
-    if (mSampleRate != mReqSampleRate && mChannelCount < 3 && mReqChannelCount < 3)
-    {
-        int channelCount;
-         // optmization: if mono to mono, use the resampler in stereo to stereo mode to avoid
-         // stereo to mono post process as the resampler always outputs stereo.
-        if (mChannelCount == 1 && mReqChannelCount == 2) {
-            channelCount = 1;
-        } else {
-            channelCount = 2;
-        }
-        mResampler = AudioResampler::create(16, channelCount, mReqSampleRate);
-        mResampler->setSampleRate(mSampleRate);
-        mResampler->setVolume(AudioMixer::UNITY_GAIN, AudioMixer::UNITY_GAIN);
-        mRsmpOutBuffer = new int32_t[mFrameCount * 2];
-
-        // optmization: if mono to mono, alter input frame count as if we were inputing stereo samples
-        if (mChannelCount == 1 && mReqChannelCount == 1) {
-            mFrameCount >>= 1;
-        }
-
-    }
-    mRsmpInIndex = mFrameCount;
-}
-
-unsigned int AudioFlinger::RecordThread::getInputFramesLost()
-{
-    return mInput->getInputFramesLost();
-}
-
-// ----------------------------------------------------------------------------
-
-int AudioFlinger::openOutput(uint32_t *pDevices,
-                                uint32_t *pSamplingRate,
-                                uint32_t *pFormat,
-                                uint32_t *pChannels,
-                                uint32_t *pLatencyMs,
-                                uint32_t flags)
-{
-    status_t status;
-    PlaybackThread *thread = NULL;
-    mHardwareStatus = AUDIO_HW_OUTPUT_OPEN;
-    uint32_t samplingRate = pSamplingRate ? *pSamplingRate : 0;
-    uint32_t format = pFormat ? *pFormat : 0;
-    uint32_t channels = pChannels ? *pChannels : 0;
-    uint32_t latency = pLatencyMs ? *pLatencyMs : 0;
-
-    LOGV("openOutput(), Device %x, SamplingRate %d, Format %d, Channels %x, flags %x",
-            pDevices ? *pDevices : 0,
-            samplingRate,
-            format,
-            channels,
-            flags);
-
-    if (pDevices == NULL || *pDevices == 0) {
-        return 0;
-    }
-    Mutex::Autolock _l(mLock);
-
-    AudioStreamOut *output = mAudioHardware->openOutputStream(*pDevices,
-                                                             (int *)&format,
-                                                             &channels,
-                                                             &samplingRate,
-                                                             &status);
-    LOGV("openOutput() openOutputStream returned output %p, SamplingRate %d, Format %d, Channels %x, status %d",
-            output,
-            samplingRate,
-            format,
-            channels,
-            status);
-
-    mHardwareStatus = AUDIO_HW_IDLE;
-    if (output != 0) {
-        if ((flags & AudioSystem::OUTPUT_FLAG_DIRECT) ||
-            (format != AudioSystem::PCM_16_BIT) ||
-            (channels != AudioSystem::CHANNEL_OUT_STEREO)) {
-            thread = new DirectOutputThread(this, output, ++mNextThreadId);
-            LOGV("openOutput() created direct output: ID %d thread %p", mNextThreadId, thread);
-        } else {
-            thread = new MixerThread(this, output, ++mNextThreadId);
-            LOGV("openOutput() created mixer output: ID %d thread %p", mNextThreadId, thread);
-
-#ifdef LVMX
-            unsigned bitsPerSample =
-                (format == AudioSystem::PCM_16_BIT) ? 16 :
-                    ((format == AudioSystem::PCM_8_BIT) ? 8 : 0);
-            unsigned channelCount = (channels == AudioSystem::CHANNEL_OUT_STEREO) ? 2 : 1;
-            int audioOutputType = LifeVibes::threadIdToAudioOutputType(thread->id());
-
-            LifeVibes::init_aot(audioOutputType, samplingRate, bitsPerSample, channelCount);
-            LifeVibes::setDevice(audioOutputType, *pDevices);
-#endif
-
-        }
-        mPlaybackThreads.add(mNextThreadId, thread);
-
-        if (pSamplingRate) *pSamplingRate = samplingRate;
-        if (pFormat) *pFormat = format;
-        if (pChannels) *pChannels = channels;
-        if (pLatencyMs) *pLatencyMs = thread->latency();
-
-        return mNextThreadId;
-    }
-
-    return 0;
-}
-
-int AudioFlinger::openDuplicateOutput(int output1, int output2)
-{
-    Mutex::Autolock _l(mLock);
-    MixerThread *thread1 = checkMixerThread_l(output1);
-    MixerThread *thread2 = checkMixerThread_l(output2);
-
-    if (thread1 == NULL || thread2 == NULL) {
-        LOGW("openDuplicateOutput() wrong output mixer type for output %d or %d", output1, output2);
-        return 0;
-    }
-
-
-    DuplicatingThread *thread = new DuplicatingThread(this, thread1, ++mNextThreadId);
-    thread->addOutputTrack(thread2);
-    mPlaybackThreads.add(mNextThreadId, thread);
-    return mNextThreadId;
-}
-
-status_t AudioFlinger::closeOutput(int output)
-{
-    // keep strong reference on the playback thread so that
-    // it is not destroyed while exit() is executed
-    sp <PlaybackThread> thread;
-    {
-        Mutex::Autolock _l(mLock);
-        thread = checkPlaybackThread_l(output);
-        if (thread == NULL) {
-            return BAD_VALUE;
-        }
-
-        LOGV("closeOutput() %d", output);
-
-        if (thread->type() == PlaybackThread::MIXER) {
-            for (size_t i = 0; i < mPlaybackThreads.size(); i++) {
-                if (mPlaybackThreads.valueAt(i)->type() == PlaybackThread::DUPLICATING) {
-                    DuplicatingThread *dupThread = (DuplicatingThread *)mPlaybackThreads.valueAt(i).get();
-                    dupThread->removeOutputTrack((MixerThread *)thread.get());
-                }
-            }
-        }
-        void *param2 = 0;
-        audioConfigChanged_l(AudioSystem::OUTPUT_CLOSED, output, param2);
-        mPlaybackThreads.removeItem(output);
-    }
-    thread->exit();
-
-    if (thread->type() != PlaybackThread::DUPLICATING) {
-        mAudioHardware->closeOutputStream(thread->getOutput());
-    }
-    return NO_ERROR;
-}
-
-status_t AudioFlinger::suspendOutput(int output)
-{
-    Mutex::Autolock _l(mLock);
-    PlaybackThread *thread = checkPlaybackThread_l(output);
-
-    if (thread == NULL) {
-        return BAD_VALUE;
-    }
-
-    LOGV("suspendOutput() %d", output);
-    thread->suspend();
-
-    return NO_ERROR;
-}
-
-status_t AudioFlinger::restoreOutput(int output)
-{
-    Mutex::Autolock _l(mLock);
-    PlaybackThread *thread = checkPlaybackThread_l(output);
-
-    if (thread == NULL) {
-        return BAD_VALUE;
-    }
-
-    LOGV("restoreOutput() %d", output);
-
-    thread->restore();
-
-    return NO_ERROR;
-}
-
-int AudioFlinger::openInput(uint32_t *pDevices,
-                                uint32_t *pSamplingRate,
-                                uint32_t *pFormat,
-                                uint32_t *pChannels,
-                                uint32_t acoustics)
-{
-    status_t status;
-    RecordThread *thread = NULL;
-    uint32_t samplingRate = pSamplingRate ? *pSamplingRate : 0;
-    uint32_t format = pFormat ? *pFormat : 0;
-    uint32_t channels = pChannels ? *pChannels : 0;
-    uint32_t reqSamplingRate = samplingRate;
-    uint32_t reqFormat = format;
-    uint32_t reqChannels = channels;
-
-    if (pDevices == NULL || *pDevices == 0) {
-        return 0;
-    }
-    Mutex::Autolock _l(mLock);
-
-    AudioStreamIn *input = mAudioHardware->openInputStream(*pDevices,
-                                                             (int *)&format,
-                                                             &channels,
-                                                             &samplingRate,
-                                                             &status,
-                                                             (AudioSystem::audio_in_acoustics)acoustics);
-    LOGV("openInput() openInputStream returned input %p, SamplingRate %d, Format %d, Channels %x, acoustics %x, status %d",
-            input,
-            samplingRate,
-            format,
-            channels,
-            acoustics,
-            status);
-
-    // If the input could not be opened with the requested parameters and we can handle the conversion internally,
-    // try to open again with the proposed parameters. The AudioFlinger can resample the input and do mono to stereo
-    // or stereo to mono conversions on 16 bit PCM inputs.
-    if (input == 0 && status == BAD_VALUE &&
-        reqFormat == format && format == AudioSystem::PCM_16_BIT &&
-        (samplingRate <= 2 * reqSamplingRate) &&
-        (AudioSystem::popCount(channels) < 3) && (AudioSystem::popCount(reqChannels) < 3)) {
-        LOGV("openInput() reopening with proposed sampling rate and channels");
-        input = mAudioHardware->openInputStream(*pDevices,
-                                                 (int *)&format,
-                                                 &channels,
-                                                 &samplingRate,
-                                                 &status,
-                                                 (AudioSystem::audio_in_acoustics)acoustics);
-    }
-
-    if (input != 0) {
-         // Start record thread
-        thread = new RecordThread(this, input, reqSamplingRate, reqChannels, ++mNextThreadId);
-        mRecordThreads.add(mNextThreadId, thread);
-        LOGV("openInput() created record thread: ID %d thread %p", mNextThreadId, thread);
-        if (pSamplingRate) *pSamplingRate = reqSamplingRate;
-        if (pFormat) *pFormat = format;
-        if (pChannels) *pChannels = reqChannels;
-
-        input->standby();
-
-        return mNextThreadId;
-    }
-
-    return 0;
-}
-
-status_t AudioFlinger::closeInput(int input)
-{
-    // keep strong reference on the record thread so that
-    // it is not destroyed while exit() is executed
-    sp <RecordThread> thread;
-    {
-        Mutex::Autolock _l(mLock);
-        thread = checkRecordThread_l(input);
-        if (thread == NULL) {
-            return BAD_VALUE;
-        }
-
-        LOGV("closeInput() %d", input);
-        void *param2 = 0;
-        audioConfigChanged_l(AudioSystem::INPUT_CLOSED, input, param2);
-        mRecordThreads.removeItem(input);
-    }
-    thread->exit();
-
-    mAudioHardware->closeInputStream(thread->getInput());
-
-    return NO_ERROR;
-}
-
-status_t AudioFlinger::setStreamOutput(uint32_t stream, int output)
-{
-    Mutex::Autolock _l(mLock);
-    MixerThread *dstThread = checkMixerThread_l(output);
-    if (dstThread == NULL) {
-        LOGW("setStreamOutput() bad output id %d", output);
-        return BAD_VALUE;
-    }
-
-    LOGV("setStreamOutput() stream %d to output %d", stream, output);
-
-    for (size_t i = 0; i < mPlaybackThreads.size(); i++) {
-        PlaybackThread *thread = mPlaybackThreads.valueAt(i).get();
-        if (thread != dstThread &&
-            thread->type() != PlaybackThread::DIRECT) {
-            MixerThread *srcThread = (MixerThread *)thread;
-            SortedVector < sp<MixerThread::Track> > tracks;
-            SortedVector < wp<MixerThread::Track> > activeTracks;
-            srcThread->getTracks(tracks, activeTracks, stream);
-            if (tracks.size()) {
-                dstThread->putTracks(tracks, activeTracks);
-            }
-        }
-    }
-
-    dstThread->sendConfigEvent(AudioSystem::STREAM_CONFIG_CHANGED, stream);
-
-    return NO_ERROR;
-}
-
-// checkPlaybackThread_l() must be called with AudioFlinger::mLock held
-AudioFlinger::PlaybackThread *AudioFlinger::checkPlaybackThread_l(int output) const
-{
-    PlaybackThread *thread = NULL;
-    if (mPlaybackThreads.indexOfKey(output) >= 0) {
-        thread = (PlaybackThread *)mPlaybackThreads.valueFor(output).get();
-    }
-    return thread;
-}
-
-// checkMixerThread_l() must be called with AudioFlinger::mLock held
-AudioFlinger::MixerThread *AudioFlinger::checkMixerThread_l(int output) const
-{
-    PlaybackThread *thread = checkPlaybackThread_l(output);
-    if (thread != NULL) {
-        if (thread->type() == PlaybackThread::DIRECT) {
-            thread = NULL;
-        }
-    }
-    return (MixerThread *)thread;
-}
-
-// checkRecordThread_l() must be called with AudioFlinger::mLock held
-AudioFlinger::RecordThread *AudioFlinger::checkRecordThread_l(int input) const
-{
-    RecordThread *thread = NULL;
-    if (mRecordThreads.indexOfKey(input) >= 0) {
-        thread = (RecordThread *)mRecordThreads.valueFor(input).get();
-    }
-    return thread;
-}
-
-// ----------------------------------------------------------------------------
-
-status_t AudioFlinger::onTransact(
-        uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
-{
-    return BnAudioFlinger::onTransact(code, data, reply, flags);
-}
-
-// ----------------------------------------------------------------------------
-
-void AudioFlinger::instantiate() {
-    defaultServiceManager()->addService(
-            String16("media.audio_flinger"), new AudioFlinger());
-}
-
-}; // namespace android
diff --git a/libs/audioflinger/AudioFlinger.h b/libs/audioflinger/AudioFlinger.h
deleted file mode 100644
index 739ec33..0000000
--- a/libs/audioflinger/AudioFlinger.h
+++ /dev/null
@@ -1,807 +0,0 @@
-/* //device/include/server/AudioFlinger/AudioFlinger.h
-**
-** Copyright 2007, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-**     http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
-*/
-
-#ifndef ANDROID_AUDIO_FLINGER_H
-#define ANDROID_AUDIO_FLINGER_H
-
-#include <stdint.h>
-#include <sys/types.h>
-#include <limits.h>
-
-#include <media/IAudioFlinger.h>
-#include <media/IAudioFlingerClient.h>
-#include <media/IAudioTrack.h>
-#include <media/IAudioRecord.h>
-#include <media/AudioTrack.h>
-
-#include <utils/Atomic.h>
-#include <utils/Errors.h>
-#include <utils/threads.h>
-#include <binder/MemoryDealer.h>
-#include <utils/SortedVector.h>
-#include <utils/Vector.h>
-
-#include <hardware_legacy/AudioHardwareInterface.h>
-
-#include "AudioBufferProvider.h"
-
-namespace android {
-
-class audio_track_cblk_t;
-class AudioMixer;
-class AudioBuffer;
-class AudioResampler;
-
-
-// ----------------------------------------------------------------------------
-
-#define LIKELY( exp )       (__builtin_expect( (exp) != 0, true  ))
-#define UNLIKELY( exp )     (__builtin_expect( (exp) != 0, false ))
-
-
-// ----------------------------------------------------------------------------
-
-static const nsecs_t kStandbyTimeInNsecs = seconds(3);
-
-class AudioFlinger : public BnAudioFlinger, public IBinder::DeathRecipient
-{
-public:
-    static void instantiate();
-
-    virtual     status_t    dump(int fd, const Vector<String16>& args);
-
-    // IAudioFlinger interface
-    virtual sp<IAudioTrack> createTrack(
-                                pid_t pid,
-                                int streamType,
-                                uint32_t sampleRate,
-                                int format,
-                                int channelCount,
-                                int frameCount,
-                                uint32_t flags,
-                                const sp<IMemory>& sharedBuffer,
-                                int output,
-                                status_t *status);
-
-    virtual     uint32_t    sampleRate(int output) const;
-    virtual     int         channelCount(int output) const;
-    virtual     int         format(int output) const;
-    virtual     size_t      frameCount(int output) const;
-    virtual     uint32_t    latency(int output) const;
-
-    virtual     status_t    setMasterVolume(float value);
-    virtual     status_t    setMasterMute(bool muted);
-
-    virtual     float       masterVolume() const;
-    virtual     bool        masterMute() const;
-
-    virtual     status_t    setStreamVolume(int stream, float value, int output);
-    virtual     status_t    setStreamMute(int stream, bool muted);
-
-    virtual     float       streamVolume(int stream, int output) const;
-    virtual     bool        streamMute(int stream) const;
-
-    virtual     status_t    setMode(int mode);
-
-    virtual     status_t    setMicMute(bool state);
-    virtual     bool        getMicMute() const;
-
-    virtual     bool        isStreamActive(int stream) const;
-
-    virtual     status_t    setParameters(int ioHandle, const String8& keyValuePairs);
-    virtual     String8     getParameters(int ioHandle, const String8& keys);
-
-    virtual     void        registerClient(const sp<IAudioFlingerClient>& client);
-
-    virtual     size_t      getInputBufferSize(uint32_t sampleRate, int format, int channelCount);
-    virtual     unsigned int  getInputFramesLost(int ioHandle);
-
-    virtual int openOutput(uint32_t *pDevices,
-                                    uint32_t *pSamplingRate,
-                                    uint32_t *pFormat,
-                                    uint32_t *pChannels,
-                                    uint32_t *pLatencyMs,
-                                    uint32_t flags);
-
-    virtual int openDuplicateOutput(int output1, int output2);
-
-    virtual status_t closeOutput(int output);
-
-    virtual status_t suspendOutput(int output);
-
-    virtual status_t restoreOutput(int output);
-
-    virtual int openInput(uint32_t *pDevices,
-                            uint32_t *pSamplingRate,
-                            uint32_t *pFormat,
-                            uint32_t *pChannels,
-                            uint32_t acoustics);
-
-    virtual status_t closeInput(int input);
-
-    virtual status_t setStreamOutput(uint32_t stream, int output);
-
-    virtual status_t setVoiceVolume(float volume);
-
-    virtual status_t getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames, int output);
-
-    // IBinder::DeathRecipient
-    virtual     void        binderDied(const wp<IBinder>& who);
-
-    enum hardware_call_state {
-        AUDIO_HW_IDLE = 0,
-        AUDIO_HW_INIT,
-        AUDIO_HW_OUTPUT_OPEN,
-        AUDIO_HW_OUTPUT_CLOSE,
-        AUDIO_HW_INPUT_OPEN,
-        AUDIO_HW_INPUT_CLOSE,
-        AUDIO_HW_STANDBY,
-        AUDIO_HW_SET_MASTER_VOLUME,
-        AUDIO_HW_GET_ROUTING,
-        AUDIO_HW_SET_ROUTING,
-        AUDIO_HW_GET_MODE,
-        AUDIO_HW_SET_MODE,
-        AUDIO_HW_GET_MIC_MUTE,
-        AUDIO_HW_SET_MIC_MUTE,
-        AUDIO_SET_VOICE_VOLUME,
-        AUDIO_SET_PARAMETER,
-    };
-
-    // record interface
-    virtual sp<IAudioRecord> openRecord(
-                                pid_t pid,
-                                int input,
-                                uint32_t sampleRate,
-                                int format,
-                                int channelCount,
-                                int frameCount,
-                                uint32_t flags,
-                                status_t *status);
-
-    virtual     status_t    onTransact(
-                                uint32_t code,
-                                const Parcel& data,
-                                Parcel* reply,
-                                uint32_t flags);
-
-private:
-                            AudioFlinger();
-    virtual                 ~AudioFlinger();
-
-
-    // Internal dump utilites.
-    status_t dumpPermissionDenial(int fd, const Vector<String16>& args);
-    status_t dumpClients(int fd, const Vector<String16>& args);
-    status_t dumpInternals(int fd, const Vector<String16>& args);
-
-    // --- Client ---
-    class Client : public RefBase {
-    public:
-                            Client(const sp<AudioFlinger>& audioFlinger, pid_t pid);
-        virtual             ~Client();
-        const sp<MemoryDealer>&     heap() const;
-        pid_t               pid() const { return mPid; }
-        sp<AudioFlinger>    audioFlinger() { return mAudioFlinger; }
-
-    private:
-                            Client(const Client&);
-                            Client& operator = (const Client&);
-        sp<AudioFlinger>    mAudioFlinger;
-        sp<MemoryDealer>    mMemoryDealer;
-        pid_t               mPid;
-    };
-
-
-    class TrackHandle;
-    class RecordHandle;
-    class RecordThread;
-    class PlaybackThread;
-    class MixerThread;
-    class DirectOutputThread;
-    class DuplicatingThread;
-    class Track;
-    class RecordTrack;
-
-    class ThreadBase : public Thread {
-    public:
-        ThreadBase (const sp<AudioFlinger>& audioFlinger, int id);
-        virtual             ~ThreadBase();
-
-        status_t dumpBase(int fd, const Vector<String16>& args);
-
-        // base for record and playback
-        class TrackBase : public AudioBufferProvider, public RefBase {
-
-        public:
-            enum track_state {
-                IDLE,
-                TERMINATED,
-                STOPPED,
-                RESUMING,
-                ACTIVE,
-                PAUSING,
-                PAUSED
-            };
-
-            enum track_flags {
-                STEPSERVER_FAILED = 0x01, //  StepServer could not acquire cblk->lock mutex
-                SYSTEM_FLAGS_MASK = 0x0000ffffUL,
-                // The upper 16 bits are used for track-specific flags.
-            };
-
-                                TrackBase(const wp<ThreadBase>& thread,
-                                        const sp<Client>& client,
-                                        uint32_t sampleRate,
-                                        int format,
-                                        int channelCount,
-                                        int frameCount,
-                                        uint32_t flags,
-                                        const sp<IMemory>& sharedBuffer);
-                                ~TrackBase();
-
-            virtual status_t    start() = 0;
-            virtual void        stop() = 0;
-                    sp<IMemory> getCblk() const;
-                    audio_track_cblk_t* cblk() const { return mCblk; }
-
-        protected:
-            friend class ThreadBase;
-            friend class RecordHandle;
-            friend class PlaybackThread;
-            friend class RecordThread;
-            friend class MixerThread;
-            friend class DirectOutputThread;
-
-                                TrackBase(const TrackBase&);
-                                TrackBase& operator = (const TrackBase&);
-
-            virtual status_t getNextBuffer(AudioBufferProvider::Buffer* buffer) = 0;
-            virtual void releaseBuffer(AudioBufferProvider::Buffer* buffer);
-
-            int format() const {
-                return mFormat;
-            }
-
-            int channelCount() const ;
-
-            int sampleRate() const;
-
-            void* getBuffer(uint32_t offset, uint32_t frames) const;
-
-            bool isStopped() const {
-                return mState == STOPPED;
-            }
-
-            bool isTerminated() const {
-                return mState == TERMINATED;
-            }
-
-            bool step();
-            void reset();
-
-            wp<ThreadBase>      mThread;
-            sp<Client>          mClient;
-            sp<IMemory>         mCblkMemory;
-            audio_track_cblk_t* mCblk;
-            void*               mBuffer;
-            void*               mBufferEnd;
-            uint32_t            mFrameCount;
-            // we don't really need a lock for these
-            int                 mState;
-            int                 mClientTid;
-            uint8_t             mFormat;
-            uint32_t            mFlags;
-        };
-
-        class ConfigEvent {
-        public:
-            ConfigEvent() : mEvent(0), mParam(0) {}
-
-            int mEvent;
-            int mParam;
-        };
-
-                    uint32_t    sampleRate() const;
-                    int         channelCount() const;
-                    int         format() const;
-                    size_t      frameCount() const;
-                    void        wakeUp()    { mWaitWorkCV.broadcast(); }
-                    void        exit();
-        virtual     bool        checkForNewParameters_l() = 0;
-        virtual     status_t    setParameters(const String8& keyValuePairs);
-        virtual     String8     getParameters(const String8& keys) = 0;
-        virtual     void        audioConfigChanged(int event, int param = 0) = 0;
-                    void        sendConfigEvent(int event, int param = 0);
-                    void        sendConfigEvent_l(int event, int param = 0);
-                    void        processConfigEvents();
-                    int         id() const { return mId;}
-                    bool        standby() { return mStandby; }
-
-        mutable     Mutex                   mLock;
-
-    protected:
-
-        friend class Track;
-        friend class TrackBase;
-        friend class PlaybackThread;
-        friend class MixerThread;
-        friend class DirectOutputThread;
-        friend class DuplicatingThread;
-        friend class RecordThread;
-        friend class RecordTrack;
-
-                    Condition               mWaitWorkCV;
-                    sp<AudioFlinger>        mAudioFlinger;
-                    uint32_t                mSampleRate;
-                    size_t                  mFrameCount;
-                    int                     mChannelCount;
-                    int                     mFormat;
-                    uint32_t                mFrameSize;
-                    Condition               mParamCond;
-                    Vector<String8>         mNewParameters;
-                    status_t                mParamStatus;
-                    Vector<ConfigEvent *>   mConfigEvents;
-                    bool                    mStandby;
-                    int                     mId;
-                    bool                    mExiting;
-    };
-
-    // --- PlaybackThread ---
-    class PlaybackThread : public ThreadBase {
-    public:
-
-        enum type {
-            MIXER,
-            DIRECT,
-            DUPLICATING
-        };
-
-        enum mixer_state {
-            MIXER_IDLE,
-            MIXER_TRACKS_ENABLED,
-            MIXER_TRACKS_READY
-        };
-
-        // playback track
-        class Track : public TrackBase {
-        public:
-                                Track(  const wp<ThreadBase>& thread,
-                                        const sp<Client>& client,
-                                        int streamType,
-                                        uint32_t sampleRate,
-                                        int format,
-                                        int channelCount,
-                                        int frameCount,
-                                        const sp<IMemory>& sharedBuffer);
-                                ~Track();
-
-                    void        dump(char* buffer, size_t size);
-            virtual status_t    start();
-            virtual void        stop();
-                    void        pause();
-
-                    void        flush();
-                    void        destroy();
-                    void        mute(bool);
-                    void        setVolume(float left, float right);
-                    int name() const {
-                        return mName;
-                    }
-
-                    int type() const {
-                        return mStreamType;
-                    }
-
-
-        protected:
-            friend class ThreadBase;
-            friend class AudioFlinger;
-            friend class TrackHandle;
-            friend class PlaybackThread;
-            friend class MixerThread;
-            friend class DirectOutputThread;
-
-                                Track(const Track&);
-                                Track& operator = (const Track&);
-
-            virtual status_t getNextBuffer(AudioBufferProvider::Buffer* buffer);
-            bool isMuted() { return mMute; }
-            bool isPausing() const {
-                return mState == PAUSING;
-            }
-            bool isPaused() const {
-                return mState == PAUSED;
-            }
-            bool isReady() const;
-            void setPaused() { mState = PAUSED; }
-            void reset();
-
-            bool isOutputTrack() const {
-                return (mStreamType == AudioSystem::NUM_STREAM_TYPES);
-            }
-
-            // we don't really need a lock for these
-            float               mVolume[2];
-            volatile bool       mMute;
-            // FILLED state is used for suppressing volume ramp at begin of playing
-            enum {FS_FILLING, FS_FILLED, FS_ACTIVE};
-            mutable uint8_t     mFillingUpStatus;
-            int8_t              mRetryCount;
-            sp<IMemory>         mSharedBuffer;
-            bool                mResetDone;
-            int                 mStreamType;
-            int                 mName;
-        };  // end of Track
-
-
-        // playback track
-        class OutputTrack : public Track {
-        public:
-
-            class Buffer: public AudioBufferProvider::Buffer {
-            public:
-                int16_t *mBuffer;
-            };
-
-                                OutputTrack(  const wp<ThreadBase>& thread,
-                                        DuplicatingThread *sourceThread,
-                                        uint32_t sampleRate,
-                                        int format,
-                                        int channelCount,
-                                        int frameCount);
-                                ~OutputTrack();
-
-            virtual status_t    start();
-            virtual void        stop();
-                    bool        write(int16_t* data, uint32_t frames);
-                    bool        bufferQueueEmpty() { return (mBufferQueue.size() == 0) ? true : false; }
-                    bool        isActive() { return mActive; }
-            wp<ThreadBase>&     thread()  { return mThread; }
-
-        private:
-
-            status_t            obtainBuffer(AudioBufferProvider::Buffer* buffer, uint32_t waitTimeMs);
-            void                clearBufferQueue();
-
-            // Maximum number of pending buffers allocated by OutputTrack::write()
-            static const uint8_t kMaxOverFlowBuffers = 10;
-
-            Vector < Buffer* >          mBufferQueue;
-            AudioBufferProvider::Buffer mOutBuffer;
-            bool                        mActive;
-            DuplicatingThread*          mSourceThread;
-        };  // end of OutputTrack
-
-        PlaybackThread (const sp<AudioFlinger>& audioFlinger, AudioStreamOut* output, int id);
-        virtual             ~PlaybackThread();
-
-        virtual     status_t    dump(int fd, const Vector<String16>& args);
-
-        // Thread virtuals
-        virtual     status_t    readyToRun();
-        virtual     void        onFirstRef();
-
-        virtual     uint32_t    latency() const;
-
-        virtual     status_t    setMasterVolume(float value);
-        virtual     status_t    setMasterMute(bool muted);
-
-        virtual     float       masterVolume() const;
-        virtual     bool        masterMute() const;
-
-        virtual     status_t    setStreamVolume(int stream, float value);
-        virtual     status_t    setStreamMute(int stream, bool muted);
-
-        virtual     float       streamVolume(int stream) const;
-        virtual     bool        streamMute(int stream) const;
-
-                    bool        isStreamActive(int stream) const;
-
-                    sp<Track>   createTrack_l(
-                                    const sp<AudioFlinger::Client>& client,
-                                    int streamType,
-                                    uint32_t sampleRate,
-                                    int format,
-                                    int channelCount,
-                                    int frameCount,
-                                    const sp<IMemory>& sharedBuffer,
-                                    status_t *status);
-
-                    AudioStreamOut* getOutput() { return mOutput; }
-
-        virtual     int         type() const { return mType; }
-                    void        suspend() { mSuspended++; }
-                    void        restore() { if (mSuspended) mSuspended--; }
-                    bool        isSuspended() { return (mSuspended != 0); }
-        virtual     String8     getParameters(const String8& keys);
-        virtual     void        audioConfigChanged(int event, int param = 0);
-        virtual     status_t    getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames);
-
-        struct  stream_type_t {
-            stream_type_t()
-                :   volume(1.0f),
-                    mute(false)
-            {
-            }
-            float       volume;
-            bool        mute;
-        };
-
-    protected:
-        int                             mType;
-        int16_t*                        mMixBuffer;
-        int                             mSuspended;
-        int                             mBytesWritten;
-        bool                            mMasterMute;
-        SortedVector< wp<Track> >       mActiveTracks;
-
-        virtual int             getTrackName_l() = 0;
-        virtual void            deleteTrackName_l(int name) = 0;
-        virtual uint32_t        activeSleepTimeUs() = 0;
-        virtual uint32_t        idleSleepTimeUs() = 0;
-
-    private:
-
-        friend class AudioFlinger;
-        friend class OutputTrack;
-        friend class Track;
-        friend class TrackBase;
-        friend class MixerThread;
-        friend class DirectOutputThread;
-        friend class DuplicatingThread;
-
-        PlaybackThread(const Client&);
-        PlaybackThread& operator = (const PlaybackThread&);
-
-        status_t    addTrack_l(const sp<Track>& track);
-        void        destroyTrack_l(const sp<Track>& track);
-
-        void        readOutputParameters();
-
-        virtual status_t    dumpInternals(int fd, const Vector<String16>& args);
-        status_t    dumpTracks(int fd, const Vector<String16>& args);
-
-        SortedVector< sp<Track> >       mTracks;
-        // mStreamTypes[] uses 1 additionnal stream type internally for the OutputTrack used by DuplicatingThread
-        stream_type_t                   mStreamTypes[AudioSystem::NUM_STREAM_TYPES + 1];
-        AudioStreamOut*                 mOutput;
-        float                           mMasterVolume;
-        nsecs_t                         mLastWriteTime;
-        int                             mNumWrites;
-        int                             mNumDelayedWrites;
-        bool                            mInWrite;
-    };
-
-    class MixerThread : public PlaybackThread {
-    public:
-        MixerThread (const sp<AudioFlinger>& audioFlinger, AudioStreamOut* output, int id);
-        virtual             ~MixerThread();
-
-        // Thread virtuals
-        virtual     bool        threadLoop();
-
-                    void        getTracks(SortedVector < sp<Track> >& tracks,
-                                      SortedVector < wp<Track> >& activeTracks,
-                                      int streamType);
-                    void        putTracks(SortedVector < sp<Track> >& tracks,
-                                      SortedVector < wp<Track> >& activeTracks);
-        virtual     bool        checkForNewParameters_l();
-        virtual     status_t    dumpInternals(int fd, const Vector<String16>& args);
-
-    protected:
-                    uint32_t    prepareTracks_l(const SortedVector< wp<Track> >& activeTracks, Vector< sp<Track> > *tracksToRemove);
-        virtual     int         getTrackName_l();
-        virtual     void        deleteTrackName_l(int name);
-        virtual     uint32_t    activeSleepTimeUs();
-        virtual     uint32_t    idleSleepTimeUs();
-
-        AudioMixer*                     mAudioMixer;
-    };
-
-    class DirectOutputThread : public PlaybackThread {
-    public:
-
-        DirectOutputThread (const sp<AudioFlinger>& audioFlinger, AudioStreamOut* output, int id);
-        ~DirectOutputThread();
-
-        // Thread virtuals
-        virtual     bool        threadLoop();
-
-        virtual     bool        checkForNewParameters_l();
-
-    protected:
-        virtual     int         getTrackName_l();
-        virtual     void        deleteTrackName_l(int name);
-        virtual     uint32_t    activeSleepTimeUs();
-        virtual     uint32_t    idleSleepTimeUs();
-
-    private:
-        float mLeftVolume;
-        float mRightVolume;
-    };
-
-    class DuplicatingThread : public MixerThread {
-    public:
-        DuplicatingThread (const sp<AudioFlinger>& audioFlinger, MixerThread* mainThread, int id);
-        ~DuplicatingThread();
-
-        // Thread virtuals
-        virtual     bool        threadLoop();
-                    void        addOutputTrack(MixerThread* thread);
-                    void        removeOutputTrack(MixerThread* thread);
-                    uint32_t    waitTimeMs() { return mWaitTimeMs; }
-    protected:
-        virtual     uint32_t    activeSleepTimeUs();
-
-    private:
-                    bool        outputsReady(SortedVector< sp<OutputTrack> > &outputTracks);
-                    void        updateWaitTime();
-
-        SortedVector < sp<OutputTrack> >  mOutputTracks;
-                    uint32_t    mWaitTimeMs;
-    };
-
-              PlaybackThread *checkPlaybackThread_l(int output) const;
-              MixerThread *checkMixerThread_l(int output) const;
-              RecordThread *checkRecordThread_l(int input) const;
-              float streamVolumeInternal(int stream) const { return mStreamTypes[stream].volume; }
-              void audioConfigChanged_l(int event, int ioHandle, void *param2);
-
-    friend class AudioBuffer;
-
-    class TrackHandle : public android::BnAudioTrack {
-    public:
-                            TrackHandle(const sp<PlaybackThread::Track>& track);
-        virtual             ~TrackHandle();
-        virtual status_t    start();
-        virtual void        stop();
-        virtual void        flush();
-        virtual void        mute(bool);
-        virtual void        pause();
-        virtual void        setVolume(float left, float right);
-        virtual sp<IMemory> getCblk() const;
-        virtual status_t onTransact(
-            uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags);
-    private:
-        sp<PlaybackThread::Track> mTrack;
-    };
-
-    friend class Client;
-    friend class PlaybackThread::Track;
-
-
-                void        removeClient_l(pid_t pid);
-
-
-    // record thread
-    class RecordThread : public ThreadBase, public AudioBufferProvider
-    {
-    public:
-
-        // record track
-        class RecordTrack : public TrackBase {
-        public:
-                                RecordTrack(const wp<ThreadBase>& thread,
-                                        const sp<Client>& client,
-                                        uint32_t sampleRate,
-                                        int format,
-                                        int channelCount,
-                                        int frameCount,
-                                        uint32_t flags);
-                                ~RecordTrack();
-
-            virtual status_t    start();
-            virtual void        stop();
-
-                    bool        overflow() { bool tmp = mOverflow; mOverflow = false; return tmp; }
-                    bool        setOverflow() { bool tmp = mOverflow; mOverflow = true; return tmp; }
-
-                    void        dump(char* buffer, size_t size);
-        private:
-            friend class AudioFlinger;
-            friend class RecordThread;
-
-                                RecordTrack(const RecordTrack&);
-                                RecordTrack& operator = (const RecordTrack&);
-
-            virtual status_t getNextBuffer(AudioBufferProvider::Buffer* buffer);
-
-            bool                mOverflow;
-        };
-
-
-                RecordThread(const sp<AudioFlinger>& audioFlinger,
-                        AudioStreamIn *input,
-                        uint32_t sampleRate,
-                        uint32_t channels,
-                        int id);
-                ~RecordThread();
-
-        virtual bool        threadLoop();
-        virtual status_t    readyToRun() { return NO_ERROR; }
-        virtual void        onFirstRef();
-
-                status_t    start(RecordTrack* recordTrack);
-                void        stop(RecordTrack* recordTrack);
-                status_t    dump(int fd, const Vector<String16>& args);
-                AudioStreamIn* getInput() { return mInput; }
-
-        virtual status_t    getNextBuffer(AudioBufferProvider::Buffer* buffer);
-        virtual void        releaseBuffer(AudioBufferProvider::Buffer* buffer);
-        virtual bool        checkForNewParameters_l();
-        virtual String8     getParameters(const String8& keys);
-        virtual void        audioConfigChanged(int event, int param = 0);
-                void        readInputParameters();
-        virtual unsigned int  getInputFramesLost();
-
-    private:
-                RecordThread();
-                AudioStreamIn                       *mInput;
-                sp<RecordTrack>                     mActiveTrack;
-                Condition                           mStartStopCond;
-                AudioResampler                      *mResampler;
-                int32_t                             *mRsmpOutBuffer;
-                int16_t                             *mRsmpInBuffer;
-                size_t                              mRsmpInIndex;
-                size_t                              mInputBytes;
-                int                                 mReqChannelCount;
-                uint32_t                            mReqSampleRate;
-                ssize_t                             mBytesRead;
-    };
-
-    class RecordHandle : public android::BnAudioRecord {
-    public:
-        RecordHandle(const sp<RecordThread::RecordTrack>& recordTrack);
-        virtual             ~RecordHandle();
-        virtual status_t    start();
-        virtual void        stop();
-        virtual sp<IMemory> getCblk() const;
-        virtual status_t onTransact(
-            uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags);
-    private:
-        sp<RecordThread::RecordTrack> mRecordTrack;
-    };
-
-    friend class RecordThread;
-    friend class PlaybackThread;
-
-
-    mutable     Mutex                               mLock;
-
-                DefaultKeyedVector< pid_t, wp<Client> >     mClients;
-
-                mutable     Mutex                   mHardwareLock;
-                AudioHardwareInterface*             mAudioHardware;
-    mutable     int                                 mHardwareStatus;
-
-
-                DefaultKeyedVector< int, sp<PlaybackThread> >  mPlaybackThreads;
-                PlaybackThread::stream_type_t       mStreamTypes[AudioSystem::NUM_STREAM_TYPES];
-                float                               mMasterVolume;
-                bool                                mMasterMute;
-
-                DefaultKeyedVector< int, sp<RecordThread> >    mRecordThreads;
-
-                SortedVector< sp<IBinder> >         mNotificationClients;
-                int                                 mNextThreadId;
-};
-
-// ----------------------------------------------------------------------------
-
-}; // namespace android
-
-#endif // ANDROID_AUDIO_FLINGER_H
diff --git a/libs/audioflinger/AudioHardwareGeneric.cpp b/libs/audioflinger/AudioHardwareGeneric.cpp
deleted file mode 100644
index d63c031..0000000
--- a/libs/audioflinger/AudioHardwareGeneric.cpp
+++ /dev/null
@@ -1,411 +0,0 @@
-/*
-**
-** Copyright 2007, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-**     http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
-*/
-
-#include <stdint.h>
-#include <sys/types.h>
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <sched.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-
-#define LOG_TAG "AudioHardware"
-#include <utils/Log.h>
-#include <utils/String8.h>
-
-#include "AudioHardwareGeneric.h"
-#include <media/AudioRecord.h>
-
-namespace android {
-
-// ----------------------------------------------------------------------------
-
-static char const * const kAudioDeviceName = "/dev/eac";
-
-// ----------------------------------------------------------------------------
-
-AudioHardwareGeneric::AudioHardwareGeneric()
-    : mOutput(0), mInput(0),  mFd(-1), mMicMute(false)
-{
-    mFd = ::open(kAudioDeviceName, O_RDWR);
-}
-
-AudioHardwareGeneric::~AudioHardwareGeneric()
-{
-    if (mFd >= 0) ::close(mFd);
-    closeOutputStream((AudioStreamOut *)mOutput);
-    closeInputStream((AudioStreamIn *)mInput);
-}
-
-status_t AudioHardwareGeneric::initCheck()
-{
-    if (mFd >= 0) {
-        if (::access(kAudioDeviceName, O_RDWR) == NO_ERROR)
-            return NO_ERROR;
-    }
-    return NO_INIT;
-}
-
-AudioStreamOut* AudioHardwareGeneric::openOutputStream(
-        uint32_t devices, int *format, uint32_t *channels, uint32_t *sampleRate, status_t *status)
-{
-    AutoMutex lock(mLock);
-
-    // only one output stream allowed
-    if (mOutput) {
-        if (status) {
-            *status = INVALID_OPERATION;
-        }
-        return 0;
-    }
-
-    // create new output stream
-    AudioStreamOutGeneric* out = new AudioStreamOutGeneric();
-    status_t lStatus = out->set(this, mFd, devices, format, channels, sampleRate);
-    if (status) {
-        *status = lStatus;
-    }
-    if (lStatus == NO_ERROR) {
-        mOutput = out;
-    } else {
-        delete out;
-    }
-    return mOutput;
-}
-
-void AudioHardwareGeneric::closeOutputStream(AudioStreamOut* out) {
-    if (mOutput && out == mOutput) {
-        delete mOutput;
-        mOutput = 0;
-    }
-}
-
-AudioStreamIn* AudioHardwareGeneric::openInputStream(
-        uint32_t devices, int *format, uint32_t *channels, uint32_t *sampleRate,
-        status_t *status, AudioSystem::audio_in_acoustics acoustics)
-{
-    // check for valid input source
-    if (!AudioSystem::isInputDevice((AudioSystem::audio_devices)devices)) {
-        return 0;
-    }
-
-    AutoMutex lock(mLock);
-
-    // only one input stream allowed
-    if (mInput) {
-        if (status) {
-            *status = INVALID_OPERATION;
-        }
-        return 0;
-    }
-
-    // create new output stream
-    AudioStreamInGeneric* in = new AudioStreamInGeneric();
-    status_t lStatus = in->set(this, mFd, devices, format, channels, sampleRate, acoustics);
-    if (status) {
-        *status = lStatus;
-    }
-    if (lStatus == NO_ERROR) {
-        mInput = in;
-    } else {
-        delete in;
-    }
-    return mInput;
-}
-
-void AudioHardwareGeneric::closeInputStream(AudioStreamIn* in) {
-    if (mInput && in == mInput) {
-        delete mInput;
-        mInput = 0;
-    }
-}
-
-status_t AudioHardwareGeneric::setVoiceVolume(float v)
-{
-    // Implement: set voice volume
-    return NO_ERROR;
-}
-
-status_t AudioHardwareGeneric::setMasterVolume(float v)
-{
-    // Implement: set master volume
-    // return error - software mixer will handle it
-    return INVALID_OPERATION;
-}
-
-status_t AudioHardwareGeneric::setMicMute(bool state)
-{
-    mMicMute = state;
-    return NO_ERROR;
-}
-
-status_t AudioHardwareGeneric::getMicMute(bool* state)
-{
-    *state = mMicMute;
-    return NO_ERROR;
-}
-
-status_t AudioHardwareGeneric::dumpInternals(int fd, const Vector<String16>& args)
-{
-    const size_t SIZE = 256;
-    char buffer[SIZE];
-    String8 result;
-    result.append("AudioHardwareGeneric::dumpInternals\n");
-    snprintf(buffer, SIZE, "\tmFd: %d mMicMute: %s\n",  mFd, mMicMute? "true": "false");
-    result.append(buffer);
-    ::write(fd, result.string(), result.size());
-    return NO_ERROR;
-}
-
-status_t AudioHardwareGeneric::dump(int fd, const Vector<String16>& args)
-{
-    dumpInternals(fd, args);
-    if (mInput) {
-        mInput->dump(fd, args);
-    }
-    if (mOutput) {
-        mOutput->dump(fd, args);
-    }
-    return NO_ERROR;
-}
-
-// ----------------------------------------------------------------------------
-
-status_t AudioStreamOutGeneric::set(
-        AudioHardwareGeneric *hw,
-        int fd,
-        uint32_t devices,
-        int *pFormat,
-        uint32_t *pChannels,
-        uint32_t *pRate)
-{
-    int lFormat = pFormat ? *pFormat : 0;
-    uint32_t lChannels = pChannels ? *pChannels : 0;
-    uint32_t lRate = pRate ? *pRate : 0;
-
-    // fix up defaults
-    if (lFormat == 0) lFormat = format();
-    if (lChannels == 0) lChannels = channels();
-    if (lRate == 0) lRate = sampleRate();
-
-    // check values
-    if ((lFormat != format()) ||
-            (lChannels != channels()) ||
-            (lRate != sampleRate())) {
-        if (pFormat) *pFormat = format();
-        if (pChannels) *pChannels = channels();
-        if (pRate) *pRate = sampleRate();
-        return BAD_VALUE;
-    }
-
-    if (pFormat) *pFormat = lFormat;
-    if (pChannels) *pChannels = lChannels;
-    if (pRate) *pRate = lRate;
-
-    mAudioHardware = hw;
-    mFd = fd;
-    mDevice = devices;
-    return NO_ERROR;
-}
-
-AudioStreamOutGeneric::~AudioStreamOutGeneric()
-{
-}
-
-ssize_t AudioStreamOutGeneric::write(const void* buffer, size_t bytes)
-{
-    Mutex::Autolock _l(mLock);
-    return ssize_t(::write(mFd, buffer, bytes));
-}
-
-status_t AudioStreamOutGeneric::standby()
-{
-    // Implement: audio hardware to standby mode
-    return NO_ERROR;
-}
-
-status_t AudioStreamOutGeneric::dump(int fd, const Vector<String16>& args)
-{
-    const size_t SIZE = 256;
-    char buffer[SIZE];
-    String8 result;
-    snprintf(buffer, SIZE, "AudioStreamOutGeneric::dump\n");
-    result.append(buffer);
-    snprintf(buffer, SIZE, "\tsample rate: %d\n", sampleRate());
-    result.append(buffer);
-    snprintf(buffer, SIZE, "\tbuffer size: %d\n", bufferSize());
-    result.append(buffer);
-    snprintf(buffer, SIZE, "\tchannels: %d\n", channels());
-    result.append(buffer);
-    snprintf(buffer, SIZE, "\tformat: %d\n", format());
-    result.append(buffer);
-    snprintf(buffer, SIZE, "\tdevice: %d\n", mDevice);
-    result.append(buffer);
-    snprintf(buffer, SIZE, "\tmAudioHardware: %p\n", mAudioHardware);
-    result.append(buffer);
-    snprintf(buffer, SIZE, "\tmFd: %d\n", mFd);
-    result.append(buffer);
-    ::write(fd, result.string(), result.size());
-    return NO_ERROR;
-}
-
-status_t AudioStreamOutGeneric::setParameters(const String8& keyValuePairs)
-{
-    AudioParameter param = AudioParameter(keyValuePairs);
-    String8 key = String8(AudioParameter::keyRouting);
-    status_t status = NO_ERROR;
-    int device;
-    LOGV("setParameters() %s", keyValuePairs.string());
-
-    if (param.getInt(key, device) == NO_ERROR) {
-        mDevice = device;
-        param.remove(key);
-    }
-
-    if (param.size()) {
-        status = BAD_VALUE;
-    }
-    return status;
-}
-
-String8 AudioStreamOutGeneric::getParameters(const String8& keys)
-{
-    AudioParameter param = AudioParameter(keys);
-    String8 value;
-    String8 key = String8(AudioParameter::keyRouting);
-
-    if (param.get(key, value) == NO_ERROR) {
-        param.addInt(key, (int)mDevice);
-    }
-
-    LOGV("getParameters() %s", param.toString().string());
-    return param.toString();
-}
-
-status_t AudioStreamOutGeneric::getRenderPosition(uint32_t *dspFrames)
-{
-    return INVALID_OPERATION;
-}
-
-// ----------------------------------------------------------------------------
-
-// record functions
-status_t AudioStreamInGeneric::set(
-        AudioHardwareGeneric *hw,
-        int fd,
-        uint32_t devices,
-        int *pFormat,
-        uint32_t *pChannels,
-        uint32_t *pRate,
-        AudioSystem::audio_in_acoustics acoustics)
-{
-    if (pFormat == 0 || pChannels == 0 || pRate == 0) return BAD_VALUE;
-    LOGV("AudioStreamInGeneric::set(%p, %d, %d, %d, %u)", hw, fd, *pFormat, *pChannels, *pRate);
-    // check values
-    if ((*pFormat != format()) ||
-        (*pChannels != channels()) ||
-        (*pRate != sampleRate())) {
-        LOGE("Error opening input channel");
-        *pFormat = format();
-        *pChannels = channels();
-        *pRate = sampleRate();
-        return BAD_VALUE;
-    }
-
-    mAudioHardware = hw;
-    mFd = fd;
-    mDevice = devices;
-    return NO_ERROR;
-}
-
-AudioStreamInGeneric::~AudioStreamInGeneric()
-{
-}
-
-ssize_t AudioStreamInGeneric::read(void* buffer, ssize_t bytes)
-{
-    AutoMutex lock(mLock);
-    if (mFd < 0) {
-        LOGE("Attempt to read from unopened device");
-        return NO_INIT;
-    }
-    return ::read(mFd, buffer, bytes);
-}
-
-status_t AudioStreamInGeneric::dump(int fd, const Vector<String16>& args)
-{
-    const size_t SIZE = 256;
-    char buffer[SIZE];
-    String8 result;
-    snprintf(buffer, SIZE, "AudioStreamInGeneric::dump\n");
-    result.append(buffer);
-    snprintf(buffer, SIZE, "\tsample rate: %d\n", sampleRate());
-    result.append(buffer);
-    snprintf(buffer, SIZE, "\tbuffer size: %d\n", bufferSize());
-    result.append(buffer);
-    snprintf(buffer, SIZE, "\tchannels: %d\n", channels());
-    result.append(buffer);
-    snprintf(buffer, SIZE, "\tformat: %d\n", format());
-    result.append(buffer);
-    snprintf(buffer, SIZE, "\tdevice: %d\n", mDevice);
-    result.append(buffer);
-    snprintf(buffer, SIZE, "\tmAudioHardware: %p\n", mAudioHardware);
-    result.append(buffer);
-    snprintf(buffer, SIZE, "\tmFd: %d\n", mFd);
-    result.append(buffer);
-    ::write(fd, result.string(), result.size());
-    return NO_ERROR;
-}
-
-status_t AudioStreamInGeneric::setParameters(const String8& keyValuePairs)
-{
-    AudioParameter param = AudioParameter(keyValuePairs);
-    String8 key = String8(AudioParameter::keyRouting);
-    status_t status = NO_ERROR;
-    int device;
-    LOGV("setParameters() %s", keyValuePairs.string());
-
-    if (param.getInt(key, device) == NO_ERROR) {
-        mDevice = device;
-        param.remove(key);
-    }
-
-    if (param.size()) {
-        status = BAD_VALUE;
-    }
-    return status;
-}
-
-String8 AudioStreamInGeneric::getParameters(const String8& keys)
-{
-    AudioParameter param = AudioParameter(keys);
-    String8 value;
-    String8 key = String8(AudioParameter::keyRouting);
-
-    if (param.get(key, value) == NO_ERROR) {
-        param.addInt(key, (int)mDevice);
-    }
-
-    LOGV("getParameters() %s", param.toString().string());
-    return param.toString();
-}
-
-// ----------------------------------------------------------------------------
-
-}; // namespace android
diff --git a/libs/audioflinger/AudioHardwareGeneric.h b/libs/audioflinger/AudioHardwareGeneric.h
deleted file mode 100644
index aa4e78d..0000000
--- a/libs/audioflinger/AudioHardwareGeneric.h
+++ /dev/null
@@ -1,151 +0,0 @@
-/*
-**
-** Copyright 2007, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-**     http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
-*/
-
-#ifndef ANDROID_AUDIO_HARDWARE_GENERIC_H
-#define ANDROID_AUDIO_HARDWARE_GENERIC_H
-
-#include <stdint.h>
-#include <sys/types.h>
-
-#include <utils/threads.h>
-
-#include <hardware_legacy/AudioHardwareBase.h>
-
-namespace android {
-
-// ----------------------------------------------------------------------------
-
-class AudioHardwareGeneric;
-
-class AudioStreamOutGeneric : public AudioStreamOut {
-public:
-                        AudioStreamOutGeneric() : mAudioHardware(0), mFd(-1) {}
-    virtual             ~AudioStreamOutGeneric();
-
-    virtual status_t    set(
-            AudioHardwareGeneric *hw,
-            int mFd,
-            uint32_t devices,
-            int *pFormat,
-            uint32_t *pChannels,
-            uint32_t *pRate);
-
-    virtual uint32_t    sampleRate() const { return 44100; }
-    virtual size_t      bufferSize() const { return 4096; }
-    virtual uint32_t    channels() const { return AudioSystem::CHANNEL_OUT_STEREO; }
-    virtual int         format() const { return AudioSystem::PCM_16_BIT; }
-    virtual uint32_t    latency() const { return 20; }
-    virtual status_t    setVolume(float left, float right) { return INVALID_OPERATION; }
-    virtual ssize_t     write(const void* buffer, size_t bytes);
-    virtual status_t    standby();
-    virtual status_t    dump(int fd, const Vector<String16>& args);
-    virtual status_t    setParameters(const String8& keyValuePairs);
-    virtual String8     getParameters(const String8& keys);
-    virtual status_t    getRenderPosition(uint32_t *dspFrames);
-
-private:
-    AudioHardwareGeneric *mAudioHardware;
-    Mutex   mLock;
-    int     mFd;
-    uint32_t mDevice;
-};
-
-class AudioStreamInGeneric : public AudioStreamIn {
-public:
-                        AudioStreamInGeneric() : mAudioHardware(0), mFd(-1) {}
-    virtual             ~AudioStreamInGeneric();
-
-    virtual status_t    set(
-            AudioHardwareGeneric *hw,
-            int mFd,
-            uint32_t devices,
-            int *pFormat,
-            uint32_t *pChannels,
-            uint32_t *pRate,
-            AudioSystem::audio_in_acoustics acoustics);
-
-    virtual uint32_t    sampleRate() const { return 8000; }
-    virtual size_t      bufferSize() const { return 320; }
-    virtual uint32_t    channels() const { return AudioSystem::CHANNEL_IN_MONO; }
-    virtual int         format() const { return AudioSystem::PCM_16_BIT; }
-    virtual status_t    setGain(float gain) { return INVALID_OPERATION; }
-    virtual ssize_t     read(void* buffer, ssize_t bytes);
-    virtual status_t    dump(int fd, const Vector<String16>& args);
-    virtual status_t    standby() { return NO_ERROR; }
-    virtual status_t    setParameters(const String8& keyValuePairs);
-    virtual String8     getParameters(const String8& keys);
-    virtual unsigned int  getInputFramesLost() const { return 0; }
-
-private:
-    AudioHardwareGeneric *mAudioHardware;
-    Mutex   mLock;
-    int     mFd;
-    uint32_t mDevice;
-};
-
-
-class AudioHardwareGeneric : public AudioHardwareBase
-{
-public:
-                        AudioHardwareGeneric();
-    virtual             ~AudioHardwareGeneric();
-    virtual status_t    initCheck();
-    virtual status_t    setVoiceVolume(float volume);
-    virtual status_t    setMasterVolume(float volume);
-
-    // mic mute
-    virtual status_t    setMicMute(bool state);
-    virtual status_t    getMicMute(bool* state);
-
-    // create I/O streams
-    virtual AudioStreamOut* openOutputStream(
-            uint32_t devices,
-            int *format=0,
-            uint32_t *channels=0,
-            uint32_t *sampleRate=0,
-            status_t *status=0);
-    virtual    void        closeOutputStream(AudioStreamOut* out);
-
-    virtual AudioStreamIn* openInputStream(
-            uint32_t devices,
-            int *format,
-            uint32_t *channels,
-            uint32_t *sampleRate,
-            status_t *status,
-            AudioSystem::audio_in_acoustics acoustics);
-    virtual    void        closeInputStream(AudioStreamIn* in);
-
-            void            closeOutputStream(AudioStreamOutGeneric* out);
-            void            closeInputStream(AudioStreamInGeneric* in);
-protected:
-    virtual status_t        dump(int fd, const Vector<String16>& args);
-
-private:
-    status_t                dumpInternals(int fd, const Vector<String16>& args);
-
-    Mutex                   mLock;
-    AudioStreamOutGeneric   *mOutput;
-    AudioStreamInGeneric    *mInput;
-    int                     mFd;
-    bool                    mMicMute;
-};
-
-// ----------------------------------------------------------------------------
-
-}; // namespace android
-
-#endif // ANDROID_AUDIO_HARDWARE_GENERIC_H
diff --git a/libs/audioflinger/AudioHardwareInterface.cpp b/libs/audioflinger/AudioHardwareInterface.cpp
deleted file mode 100644
index 9a4a7f9..0000000
--- a/libs/audioflinger/AudioHardwareInterface.cpp
+++ /dev/null
@@ -1,182 +0,0 @@
-/*
-**
-** Copyright 2007, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License"); 
-** you may not use this file except in compliance with the License. 
-** You may obtain a copy of the License at 
-**
-**     http://www.apache.org/licenses/LICENSE-2.0 
-**
-** Unless required by applicable law or agreed to in writing, software 
-** distributed under the License is distributed on an "AS IS" BASIS, 
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
-** See the License for the specific language governing permissions and 
-** limitations under the License.
-*/
-
-#include <cutils/properties.h>
-#include <string.h>
-#include <unistd.h>
-//#define LOG_NDEBUG 0
-
-#define LOG_TAG "AudioHardwareInterface"
-#include <utils/Log.h>
-#include <utils/String8.h>
-
-#include "AudioHardwareStub.h"
-#include "AudioHardwareGeneric.h"
-#ifdef WITH_A2DP
-#include "A2dpAudioInterface.h"
-#endif
-
-#ifdef ENABLE_AUDIO_DUMP
-#include "AudioDumpInterface.h"
-#endif
-
-
-// change to 1 to log routing calls
-#define LOG_ROUTING_CALLS 1
-
-namespace android {
-
-#if LOG_ROUTING_CALLS
-static const char* routingModeStrings[] =
-{
-    "OUT OF RANGE",
-    "INVALID",
-    "CURRENT",
-    "NORMAL",
-    "RINGTONE",
-    "IN_CALL"
-};
-
-static const char* routeNone = "NONE";
-
-static const char* displayMode(int mode)
-{
-    if ((mode < -2) || (mode > 2))
-        return routingModeStrings[0];
-    return routingModeStrings[mode+3];
-}
-#endif
-
-// ----------------------------------------------------------------------------
-
-AudioHardwareInterface* AudioHardwareInterface::create()
-{
-    /*
-     * FIXME: This code needs to instantiate the correct audio device
-     * interface. For now - we use compile-time switches.
-     */
-    AudioHardwareInterface* hw = 0;
-    char value[PROPERTY_VALUE_MAX];
-
-#ifdef GENERIC_AUDIO
-    hw = new AudioHardwareGeneric();
-#else
-    // if running in emulation - use the emulator driver
-    if (property_get("ro.kernel.qemu", value, 0)) {
-        LOGD("Running in emulation - using generic audio driver");
-        hw = new AudioHardwareGeneric();
-    }
-    else {
-        LOGV("Creating Vendor Specific AudioHardware");
-        hw = createAudioHardware();
-    }
-#endif
-    if (hw->initCheck() != NO_ERROR) {
-        LOGW("Using stubbed audio hardware. No sound will be produced.");
-        delete hw;
-        hw = new AudioHardwareStub();
-    }
-    
-#ifdef WITH_A2DP
-    hw = new A2dpAudioInterface(hw);
-#endif
-
-#ifdef ENABLE_AUDIO_DUMP
-    // This code adds a record of buffers in a file to write calls made by AudioFlinger.
-    // It replaces the current AudioHardwareInterface object by an intermediate one which
-    // will record buffers in a file (after sending them to hardware) for testing purpose.
-    // This feature is enabled by defining symbol ENABLE_AUDIO_DUMP.
-    // The output file is set with setParameters("test_cmd_file_name=<name>"). Pause are not recorded in the file.
-    LOGV("opening PCM dump interface");
-    hw = new AudioDumpInterface(hw);    // replace interface
-#endif
-    return hw;
-}
-
-AudioStreamOut::~AudioStreamOut()
-{
-}
-
-AudioStreamIn::~AudioStreamIn() {}
-
-AudioHardwareBase::AudioHardwareBase()
-{
-    mMode = 0;
-}
-
-status_t AudioHardwareBase::setMode(int mode)
-{
-#if LOG_ROUTING_CALLS
-    LOGD("setMode(%s)", displayMode(mode));
-#endif
-    if ((mode < 0) || (mode >= AudioSystem::NUM_MODES))
-        return BAD_VALUE;
-    if (mMode == mode)
-        return ALREADY_EXISTS;
-    mMode = mode;
-    return NO_ERROR;
-}
-
-// default implementation
-status_t AudioHardwareBase::setParameters(const String8& keyValuePairs)
-{
-    return NO_ERROR;
-}
-
-// default implementation
-String8 AudioHardwareBase::getParameters(const String8& keys)
-{
-    AudioParameter param = AudioParameter(keys);
-    return param.toString();
-}
-
-// default implementation
-size_t AudioHardwareBase::getInputBufferSize(uint32_t sampleRate, int format, int channelCount)
-{
-    if (sampleRate != 8000) {
-        LOGW("getInputBufferSize bad sampling rate: %d", sampleRate);
-        return 0;
-    }
-    if (format != AudioSystem::PCM_16_BIT) {
-        LOGW("getInputBufferSize bad format: %d", format);
-        return 0;
-    }
-    if (channelCount != 1) {
-        LOGW("getInputBufferSize bad channel count: %d", channelCount);
-        return 0;
-    }
-
-    return 320;
-}
-
-status_t AudioHardwareBase::dumpState(int fd, const Vector<String16>& args)
-{
-    const size_t SIZE = 256;
-    char buffer[SIZE];
-    String8 result;
-    snprintf(buffer, SIZE, "AudioHardwareBase::dumpState\n");
-    result.append(buffer);
-    snprintf(buffer, SIZE, "\tmMode: %d\n", mMode);
-    result.append(buffer);
-    ::write(fd, result.string(), result.size());
-    dump(fd, args);  // Dump the state of the concrete child.
-    return NO_ERROR;
-}
-
-// ----------------------------------------------------------------------------
-
-}; // namespace android
diff --git a/libs/audioflinger/AudioHardwareStub.cpp b/libs/audioflinger/AudioHardwareStub.cpp
deleted file mode 100644
index d481150..0000000
--- a/libs/audioflinger/AudioHardwareStub.cpp
+++ /dev/null
@@ -1,209 +0,0 @@
-/* //device/servers/AudioFlinger/AudioHardwareStub.cpp
-**
-** Copyright 2007, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-**     http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
-*/
-
-#include <stdint.h>
-#include <sys/types.h>
-
-#include <stdlib.h>
-#include <unistd.h>
-#include <utils/String8.h>
-
-#include "AudioHardwareStub.h"
-#include <media/AudioRecord.h>
-
-namespace android {
-
-// ----------------------------------------------------------------------------
-
-AudioHardwareStub::AudioHardwareStub() : mMicMute(false)
-{
-}
-
-AudioHardwareStub::~AudioHardwareStub()
-{
-}
-
-status_t AudioHardwareStub::initCheck()
-{
-    return NO_ERROR;
-}
-
-AudioStreamOut* AudioHardwareStub::openOutputStream(
-        uint32_t devices, int *format, uint32_t *channels, uint32_t *sampleRate, status_t *status)
-{
-    AudioStreamOutStub* out = new AudioStreamOutStub();
-    status_t lStatus = out->set(format, channels, sampleRate);
-    if (status) {
-        *status = lStatus;
-    }
-    if (lStatus == NO_ERROR)
-        return out;
-    delete out;
-    return 0;
-}
-
-void AudioHardwareStub::closeOutputStream(AudioStreamOut* out)
-{
-    delete out;
-}
-
-AudioStreamIn* AudioHardwareStub::openInputStream(
-        uint32_t devices, int *format, uint32_t *channels, uint32_t *sampleRate,
-        status_t *status, AudioSystem::audio_in_acoustics acoustics)
-{
-    // check for valid input source
-    if (!AudioSystem::isInputDevice((AudioSystem::audio_devices)devices)) {
-        return 0;
-    }
-
-    AudioStreamInStub* in = new AudioStreamInStub();
-    status_t lStatus = in->set(format, channels, sampleRate, acoustics);
-    if (status) {
-        *status = lStatus;
-    }
-    if (lStatus == NO_ERROR)
-        return in;
-    delete in;
-    return 0;
-}
-
-void AudioHardwareStub::closeInputStream(AudioStreamIn* in)
-{
-    delete in;
-}
-
-status_t AudioHardwareStub::setVoiceVolume(float volume)
-{
-    return NO_ERROR;
-}
-
-status_t AudioHardwareStub::setMasterVolume(float volume)
-{
-    return NO_ERROR;
-}
-
-status_t AudioHardwareStub::dumpInternals(int fd, const Vector<String16>& args)
-{
-    const size_t SIZE = 256;
-    char buffer[SIZE];
-    String8 result;
-    result.append("AudioHardwareStub::dumpInternals\n");
-    snprintf(buffer, SIZE, "\tmMicMute: %s\n", mMicMute? "true": "false");
-    result.append(buffer);
-    ::write(fd, result.string(), result.size());
-    return NO_ERROR;
-}
-
-status_t AudioHardwareStub::dump(int fd, const Vector<String16>& args)
-{
-    dumpInternals(fd, args);
-    return NO_ERROR;
-}
-
-// ----------------------------------------------------------------------------
-
-status_t AudioStreamOutStub::set(int *pFormat, uint32_t *pChannels, uint32_t *pRate)
-{
-    if (pFormat) *pFormat = format();
-    if (pChannels) *pChannels = channels();
-    if (pRate) *pRate = sampleRate();
-
-    return NO_ERROR;
-}
-
-ssize_t AudioStreamOutStub::write(const void* buffer, size_t bytes)
-{
-    // fake timing for audio output
-    usleep(bytes * 1000000 / sizeof(int16_t) / AudioSystem::popCount(channels()) / sampleRate());
-    return bytes;
-}
-
-status_t AudioStreamOutStub::standby()
-{
-    return NO_ERROR;
-}
-
-status_t AudioStreamOutStub::dump(int fd, const Vector<String16>& args)
-{
-    const size_t SIZE = 256;
-    char buffer[SIZE];
-    String8 result;
-    snprintf(buffer, SIZE, "AudioStreamOutStub::dump\n");
-    snprintf(buffer, SIZE, "\tsample rate: %d\n", sampleRate());
-    snprintf(buffer, SIZE, "\tbuffer size: %d\n", bufferSize());
-    snprintf(buffer, SIZE, "\tchannels: %d\n", channels());
-    snprintf(buffer, SIZE, "\tformat: %d\n", format());
-    result.append(buffer);
-    ::write(fd, result.string(), result.size());
-    return NO_ERROR;
-}
-
-String8 AudioStreamOutStub::getParameters(const String8& keys)
-{
-    AudioParameter param = AudioParameter(keys);
-    return param.toString();
-}
-
-status_t AudioStreamOutStub::getRenderPosition(uint32_t *dspFrames)
-{
-    return INVALID_OPERATION;
-}
-
-// ----------------------------------------------------------------------------
-
-status_t AudioStreamInStub::set(int *pFormat, uint32_t *pChannels, uint32_t *pRate,
-                AudioSystem::audio_in_acoustics acoustics)
-{
-    return NO_ERROR;
-}
-
-ssize_t AudioStreamInStub::read(void* buffer, ssize_t bytes)
-{
-    // fake timing for audio input
-    usleep(bytes * 1000000 / sizeof(int16_t) / AudioSystem::popCount(channels()) / sampleRate());
-    memset(buffer, 0, bytes);
-    return bytes;
-}
-
-status_t AudioStreamInStub::dump(int fd, const Vector<String16>& args)
-{
-    const size_t SIZE = 256;
-    char buffer[SIZE];
-    String8 result;
-    snprintf(buffer, SIZE, "AudioStreamInStub::dump\n");
-    result.append(buffer);
-    snprintf(buffer, SIZE, "\tsample rate: %d\n", sampleRate());
-    result.append(buffer);
-    snprintf(buffer, SIZE, "\tbuffer size: %d\n", bufferSize());
-    result.append(buffer);
-    snprintf(buffer, SIZE, "\tchannels: %d\n", channels());
-    result.append(buffer);
-    snprintf(buffer, SIZE, "\tformat: %d\n", format());
-    result.append(buffer);
-    ::write(fd, result.string(), result.size());
-    return NO_ERROR;
-}
-
-String8 AudioStreamInStub::getParameters(const String8& keys)
-{
-    AudioParameter param = AudioParameter(keys);
-    return param.toString();
-}
-
-// ----------------------------------------------------------------------------
-
-}; // namespace android
diff --git a/libs/audioflinger/AudioHardwareStub.h b/libs/audioflinger/AudioHardwareStub.h
deleted file mode 100644
index 06a29de..0000000
--- a/libs/audioflinger/AudioHardwareStub.h
+++ /dev/null
@@ -1,106 +0,0 @@
-/* //device/servers/AudioFlinger/AudioHardwareStub.h
-**
-** Copyright 2007, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-**     http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
-*/
-
-#ifndef ANDROID_AUDIO_HARDWARE_STUB_H
-#define ANDROID_AUDIO_HARDWARE_STUB_H
-
-#include <stdint.h>
-#include <sys/types.h>
-
-#include <hardware_legacy/AudioHardwareBase.h>
-
-namespace android {
-
-// ----------------------------------------------------------------------------
-
-class AudioStreamOutStub : public AudioStreamOut {
-public:
-    virtual status_t    set(int *pFormat, uint32_t *pChannels, uint32_t *pRate);
-    virtual uint32_t    sampleRate() const { return 44100; }
-    virtual size_t      bufferSize() const { return 4096; }
-    virtual uint32_t    channels() const { return AudioSystem::CHANNEL_OUT_STEREO; }
-    virtual int         format() const { return AudioSystem::PCM_16_BIT; }
-    virtual uint32_t    latency() const { return 0; }
-    virtual status_t    setVolume(float left, float right) { return NO_ERROR; }
-    virtual ssize_t     write(const void* buffer, size_t bytes);
-    virtual status_t    standby();
-    virtual status_t    dump(int fd, const Vector<String16>& args);
-    virtual status_t    setParameters(const String8& keyValuePairs) { return NO_ERROR;}
-    virtual String8     getParameters(const String8& keys);
-    virtual status_t    getRenderPosition(uint32_t *dspFrames);
-};
-
-class AudioStreamInStub : public AudioStreamIn {
-public:
-    virtual status_t    set(int *pFormat, uint32_t *pChannels, uint32_t *pRate, AudioSystem::audio_in_acoustics acoustics);
-    virtual uint32_t    sampleRate() const { return 8000; }
-    virtual size_t      bufferSize() const { return 320; }
-    virtual uint32_t    channels() const { return AudioSystem::CHANNEL_IN_MONO; }
-    virtual int         format() const { return AudioSystem::PCM_16_BIT; }
-    virtual status_t    setGain(float gain) { return NO_ERROR; }
-    virtual ssize_t     read(void* buffer, ssize_t bytes);
-    virtual status_t    dump(int fd, const Vector<String16>& args);
-    virtual status_t    standby() { return NO_ERROR; }
-    virtual status_t    setParameters(const String8& keyValuePairs) { return NO_ERROR;}
-    virtual String8     getParameters(const String8& keys);
-    virtual unsigned int  getInputFramesLost() const { return 0; }
-};
-
-class AudioHardwareStub : public  AudioHardwareBase
-{
-public:
-                        AudioHardwareStub();
-    virtual             ~AudioHardwareStub();
-    virtual status_t    initCheck();
-    virtual status_t    setVoiceVolume(float volume);
-    virtual status_t    setMasterVolume(float volume);
-
-    // mic mute
-    virtual status_t    setMicMute(bool state) { mMicMute = state;  return  NO_ERROR; }
-    virtual status_t    getMicMute(bool* state) { *state = mMicMute ; return NO_ERROR; }
-
-    // create I/O streams
-    virtual AudioStreamOut* openOutputStream(
-                                uint32_t devices,
-                                int *format=0,
-                                uint32_t *channels=0,
-                                uint32_t *sampleRate=0,
-                                status_t *status=0);
-    virtual    void        closeOutputStream(AudioStreamOut* out);
-
-    virtual AudioStreamIn* openInputStream(
-                                uint32_t devices,
-                                int *format,
-                                uint32_t *channels,
-                                uint32_t *sampleRate,
-                                status_t *status,
-                                AudioSystem::audio_in_acoustics acoustics);
-    virtual    void        closeInputStream(AudioStreamIn* in);
-
-protected:
-    virtual status_t    dump(int fd, const Vector<String16>& args);
-
-            bool        mMicMute;
-private:
-    status_t            dumpInternals(int fd, const Vector<String16>& args);
-};
-
-// ----------------------------------------------------------------------------
-
-}; // namespace android
-
-#endif // ANDROID_AUDIO_HARDWARE_STUB_H
diff --git a/libs/audioflinger/AudioMixer.cpp b/libs/audioflinger/AudioMixer.cpp
deleted file mode 100644
index 19a442a..0000000
--- a/libs/audioflinger/AudioMixer.cpp
+++ /dev/null
@@ -1,915 +0,0 @@
-/* //device/include/server/AudioFlinger/AudioMixer.cpp
-**
-** Copyright 2007, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-**     http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
-*/
-
-#define LOG_TAG "AudioMixer"
-//#define LOG_NDEBUG 0
-
-#include <stdint.h>
-#include <string.h>
-#include <stdlib.h>
-#include <sys/types.h>
-
-#include <utils/Errors.h>
-#include <utils/Log.h>
-
-#include "AudioMixer.h"
-
-namespace android {
-// ----------------------------------------------------------------------------
-
-static inline int16_t clamp16(int32_t sample)
-{
-    if ((sample>>15) ^ (sample>>31))
-        sample = 0x7FFF ^ (sample>>31);
-    return sample;
-}
-
-// ----------------------------------------------------------------------------
-
-AudioMixer::AudioMixer(size_t frameCount, uint32_t sampleRate)
-    :   mActiveTrack(0), mTrackNames(0), mSampleRate(sampleRate)
-{
-    mState.enabledTracks= 0;
-    mState.needsChanged = 0;
-    mState.frameCount   = frameCount;
-    mState.outputTemp   = 0;
-    mState.resampleTemp = 0;
-    mState.hook         = process__nop;
-    track_t* t = mState.tracks;
-    for (int i=0 ; i<32 ; i++) {
-        t->needs = 0;
-        t->volume[0] = UNITY_GAIN;
-        t->volume[1] = UNITY_GAIN;
-        t->volumeInc[0] = 0;
-        t->volumeInc[1] = 0;
-        t->channelCount = 2;
-        t->enabled = 0;
-        t->format = 16;
-        t->buffer.raw = 0;
-        t->bufferProvider = 0;
-        t->hook = 0;
-        t->resampler = 0;
-        t->sampleRate = mSampleRate;
-        t->in = 0;
-        t++;
-    }
-}
-
- AudioMixer::~AudioMixer()
- {
-     track_t* t = mState.tracks;
-     for (int i=0 ; i<32 ; i++) {
-         delete t->resampler;
-         t++;
-     }
-     delete [] mState.outputTemp;
-     delete [] mState.resampleTemp;
- }
-
- int AudioMixer::getTrackName()
- {
-    uint32_t names = mTrackNames;
-    uint32_t mask = 1;
-    int n = 0;
-    while (names & mask) {
-        mask <<= 1;
-        n++;
-    }
-    if (mask) {
-        LOGV("add track (%d)", n);
-        mTrackNames |= mask;
-        return TRACK0 + n;
-    }
-    return -1;
- }
-
- void AudioMixer::invalidateState(uint32_t mask)
- {
-    if (mask) {
-        mState.needsChanged |= mask;
-        mState.hook = process__validate;
-    }
- }
-
- void AudioMixer::deleteTrackName(int name)
- {
-    name -= TRACK0;
-    if (uint32_t(name) < MAX_NUM_TRACKS) {
-        LOGV("deleteTrackName(%d)", name);
-        track_t& track(mState.tracks[ name ]);
-        if (track.enabled != 0) {
-            track.enabled = 0;
-            invalidateState(1<<name);
-        }
-        if (track.resampler) {
-            // delete  the resampler
-            delete track.resampler;
-            track.resampler = 0;
-            track.sampleRate = mSampleRate;
-            invalidateState(1<<name);
-        }
-        track.volumeInc[0] = 0;
-        track.volumeInc[1] = 0;
-        mTrackNames &= ~(1<<name);
-    }
- }
-
-status_t AudioMixer::enable(int name)
-{
-    switch (name) {
-        case MIXING: {
-            if (mState.tracks[ mActiveTrack ].enabled != 1) {
-                mState.tracks[ mActiveTrack ].enabled = 1;
-                LOGV("enable(%d)", mActiveTrack);
-                invalidateState(1<<mActiveTrack);
-            }
-        } break;
-        default:
-            return NAME_NOT_FOUND;
-    }
-    return NO_ERROR;
-}
-
-status_t AudioMixer::disable(int name)
-{
-    switch (name) {
-        case MIXING: {
-            if (mState.tracks[ mActiveTrack ].enabled != 0) {
-                mState.tracks[ mActiveTrack ].enabled = 0;
-                LOGV("disable(%d)", mActiveTrack);
-                invalidateState(1<<mActiveTrack);
-            }
-        } break;
-        default:
-            return NAME_NOT_FOUND;
-    }
-    return NO_ERROR;
-}
-
-status_t AudioMixer::setActiveTrack(int track)
-{
-    if (uint32_t(track-TRACK0) >= MAX_NUM_TRACKS) {
-        return BAD_VALUE;
-    }
-    mActiveTrack = track - TRACK0;
-    return NO_ERROR;
-}
-
-status_t AudioMixer::setParameter(int target, int name, int value)
-{
-    switch (target) {
-    case TRACK:
-        if (name == CHANNEL_COUNT) {
-            if ((uint32_t(value) <= MAX_NUM_CHANNELS) && (value)) {
-                if (mState.tracks[ mActiveTrack ].channelCount != value) {
-                    mState.tracks[ mActiveTrack ].channelCount = value;
-                    LOGV("setParameter(TRACK, CHANNEL_COUNT, %d)", value);
-                    invalidateState(1<<mActiveTrack);
-                }
-                return NO_ERROR;
-            }
-        }
-        break;
-    case RESAMPLE:
-        if (name == SAMPLE_RATE) {
-            if (value > 0) {
-                track_t& track = mState.tracks[ mActiveTrack ];
-                if (track.setResampler(uint32_t(value), mSampleRate)) {
-                    LOGV("setParameter(RESAMPLE, SAMPLE_RATE, %u)",
-                            uint32_t(value));
-                    invalidateState(1<<mActiveTrack);
-                }
-                return NO_ERROR;
-            }
-        }
-        break;
-    case RAMP_VOLUME:
-    case VOLUME:
-        if ((uint32_t(name-VOLUME0) < MAX_NUM_CHANNELS)) {
-            track_t& track = mState.tracks[ mActiveTrack ];
-            if (track.volume[name-VOLUME0] != value) {
-                track.prevVolume[name-VOLUME0] = track.volume[name-VOLUME0] << 16;
-                track.volume[name-VOLUME0] = value;
-                if (target == VOLUME) {
-                    track.prevVolume[name-VOLUME0] = value << 16;
-                    track.volumeInc[name-VOLUME0] = 0;
-                } else {
-                    int32_t d = (value<<16) - track.prevVolume[name-VOLUME0];
-                    int32_t volInc = d / int32_t(mState.frameCount);
-                    track.volumeInc[name-VOLUME0] = volInc;
-                    if (volInc == 0) {
-                        track.prevVolume[name-VOLUME0] = value << 16;
-                    }
-                }
-                invalidateState(1<<mActiveTrack);
-            }
-            return NO_ERROR;
-        }
-        break;
-    }
-    return BAD_VALUE;
-}
-
-bool AudioMixer::track_t::setResampler(uint32_t value, uint32_t devSampleRate)
-{
-    if (value!=devSampleRate || resampler) {
-        if (sampleRate != value) {
-            sampleRate = value;
-            if (resampler == 0) {
-                resampler = AudioResampler::create(
-                        format, channelCount, devSampleRate);
-            }
-            return true;
-        }
-    }
-    return false;
-}
-
-bool AudioMixer::track_t::doesResample() const
-{
-    return resampler != 0;
-}
-
-inline
-void AudioMixer::track_t::adjustVolumeRamp()
-{
-    for (int i=0 ; i<2 ; i++) {
-        if (((volumeInc[i]>0) && (((prevVolume[i]+volumeInc[i])>>16) >= volume[i])) ||
-            ((volumeInc[i]<0) && (((prevVolume[i]+volumeInc[i])>>16) <= volume[i]))) {
-            volumeInc[i] = 0;
-            prevVolume[i] = volume[i]<<16;
-        }
-    }
-}
-
-
-status_t AudioMixer::setBufferProvider(AudioBufferProvider* buffer)
-{
-    mState.tracks[ mActiveTrack ].bufferProvider = buffer;
-    return NO_ERROR;
-}
-
-
-
-void AudioMixer::process(void* output)
-{
-    mState.hook(&mState, output);
-}
-
-
-void AudioMixer::process__validate(state_t* state, void* output)
-{
-    LOGW_IF(!state->needsChanged,
-        "in process__validate() but nothing's invalid");
-
-    uint32_t changed = state->needsChanged;
-    state->needsChanged = 0; // clear the validation flag
-
-    // recompute which tracks are enabled / disabled
-    uint32_t enabled = 0;
-    uint32_t disabled = 0;
-    while (changed) {
-        const int i = 31 - __builtin_clz(changed);
-        const uint32_t mask = 1<<i;
-        changed &= ~mask;
-        track_t& t = state->tracks[i];
-        (t.enabled ? enabled : disabled) |= mask;
-    }
-    state->enabledTracks &= ~disabled;
-    state->enabledTracks |=  enabled;
-
-    // compute everything we need...
-    int countActiveTracks = 0;
-    int all16BitsStereoNoResample = 1;
-    int resampling = 0;
-    int volumeRamp = 0;
-    uint32_t en = state->enabledTracks;
-    while (en) {
-        const int i = 31 - __builtin_clz(en);
-        en &= ~(1<<i);
-
-        countActiveTracks++;
-        track_t& t = state->tracks[i];
-        uint32_t n = 0;
-        n |= NEEDS_CHANNEL_1 + t.channelCount - 1;
-        n |= NEEDS_FORMAT_16;
-        n |= t.doesResample() ? NEEDS_RESAMPLE_ENABLED : NEEDS_RESAMPLE_DISABLED;
-       
-        if (t.volumeInc[0]|t.volumeInc[1]) {
-            volumeRamp = 1;
-        } else if (!t.doesResample() && t.volumeRL == 0) {
-            n |= NEEDS_MUTE_ENABLED;
-        }
-        t.needs = n;
-
-        if ((n & NEEDS_MUTE__MASK) == NEEDS_MUTE_ENABLED) {
-            t.hook = track__nop;
-        } else {
-            if ((n & NEEDS_RESAMPLE__MASK) == NEEDS_RESAMPLE_ENABLED) {
-                all16BitsStereoNoResample = 0;
-                resampling = 1;
-                t.hook = track__genericResample;
-            } else {
-                if ((n & NEEDS_CHANNEL_COUNT__MASK) == NEEDS_CHANNEL_1){
-                    t.hook = track__16BitsMono;
-                    all16BitsStereoNoResample = 0;
-                }
-                if ((n & NEEDS_CHANNEL_COUNT__MASK) == NEEDS_CHANNEL_2){
-                    t.hook = track__16BitsStereo;
-                }
-            }
-        }
-    }
-
-    // select the processing hooks
-    state->hook = process__nop;
-    if (countActiveTracks) {
-        if (resampling) {
-            if (!state->outputTemp) {
-                state->outputTemp = new int32_t[MAX_NUM_CHANNELS * state->frameCount];
-            }
-            if (!state->resampleTemp) {
-                state->resampleTemp = new int32_t[MAX_NUM_CHANNELS * state->frameCount];
-            }
-            state->hook = process__genericResampling;
-        } else {
-            if (state->outputTemp) {
-                delete [] state->outputTemp;
-                state->outputTemp = 0;
-            }
-            if (state->resampleTemp) {
-                delete [] state->resampleTemp;
-                state->resampleTemp = 0;
-            }
-            state->hook = process__genericNoResampling;
-            if (all16BitsStereoNoResample && !volumeRamp) {
-                if (countActiveTracks == 1) {
-                    state->hook = process__OneTrack16BitsStereoNoResampling;
-                }
-            }
-        }
-    }
-
-    LOGV("mixer configuration change: %d activeTracks (%08x) "
-        "all16BitsStereoNoResample=%d, resampling=%d, volumeRamp=%d",
-        countActiveTracks, state->enabledTracks,
-        all16BitsStereoNoResample, resampling, volumeRamp);
-
-   state->hook(state, output);
-
-   // Now that the volume ramp has been done, set optimal state and
-   // track hooks for subsequent mixer process
-   if (countActiveTracks) {
-       int allMuted = 1;
-       uint32_t en = state->enabledTracks;
-       while (en) {
-           const int i = 31 - __builtin_clz(en);
-           en &= ~(1<<i);
-           track_t& t = state->tracks[i];
-           if (!t.doesResample() && t.volumeRL == 0)
-           {
-               t.needs |= NEEDS_MUTE_ENABLED;
-               t.hook = track__nop;
-           } else {
-               allMuted = 0;
-           }
-       }
-       if (allMuted) {
-           state->hook = process__nop;
-       } else if (!resampling && all16BitsStereoNoResample) {
-           if (countActiveTracks == 1) {
-              state->hook = process__OneTrack16BitsStereoNoResampling;
-           }
-       }
-   }
-}
-
-static inline
-int32_t mulAdd(int16_t in, int16_t v, int32_t a)
-{
-#if defined(__arm__) && !defined(__thumb__)
-    int32_t out;
-    asm( "smlabb %[out], %[in], %[v], %[a] \n"
-         : [out]"=r"(out)
-         : [in]"%r"(in), [v]"r"(v), [a]"r"(a)
-         : );
-    return out;
-#else
-    return a + in * int32_t(v);
-#endif
-}
-
-static inline
-int32_t mul(int16_t in, int16_t v)
-{
-#if defined(__arm__) && !defined(__thumb__)
-    int32_t out;
-    asm( "smulbb %[out], %[in], %[v] \n"
-         : [out]"=r"(out)
-         : [in]"%r"(in), [v]"r"(v)
-         : );
-    return out;
-#else
-    return in * int32_t(v);
-#endif
-}
-
-static inline
-int32_t mulAddRL(int left, uint32_t inRL, uint32_t vRL, int32_t a)
-{
-#if defined(__arm__) && !defined(__thumb__)
-    int32_t out;
-    if (left) {
-        asm( "smlabb %[out], %[inRL], %[vRL], %[a] \n"
-             : [out]"=r"(out)
-             : [inRL]"%r"(inRL), [vRL]"r"(vRL), [a]"r"(a)
-             : );
-    } else {
-        asm( "smlatt %[out], %[inRL], %[vRL], %[a] \n"
-             : [out]"=r"(out)
-             : [inRL]"%r"(inRL), [vRL]"r"(vRL), [a]"r"(a)
-             : );
-    }
-    return out;
-#else
-    if (left) {
-        return a + int16_t(inRL&0xFFFF) * int16_t(vRL&0xFFFF);
-    } else {
-        return a + int16_t(inRL>>16) * int16_t(vRL>>16);
-    }
-#endif
-}
-
-static inline
-int32_t mulRL(int left, uint32_t inRL, uint32_t vRL)
-{
-#if defined(__arm__) && !defined(__thumb__)
-    int32_t out;
-    if (left) {
-        asm( "smulbb %[out], %[inRL], %[vRL] \n"
-             : [out]"=r"(out)
-             : [inRL]"%r"(inRL), [vRL]"r"(vRL)
-             : );
-    } else {
-        asm( "smultt %[out], %[inRL], %[vRL] \n"
-             : [out]"=r"(out)
-             : [inRL]"%r"(inRL), [vRL]"r"(vRL)
-             : );
-    }
-    return out;
-#else
-    if (left) {
-        return int16_t(inRL&0xFFFF) * int16_t(vRL&0xFFFF);
-    } else {
-        return int16_t(inRL>>16) * int16_t(vRL>>16);
-    }
-#endif
-}
-
-
-void AudioMixer::track__genericResample(track_t* t, int32_t* out, size_t outFrameCount, int32_t* temp)
-{
-    t->resampler->setSampleRate(t->sampleRate);
-
-    // ramp gain - resample to temp buffer and scale/mix in 2nd step
-    if UNLIKELY(t->volumeInc[0]|t->volumeInc[1]) {
-        t->resampler->setVolume(UNITY_GAIN, UNITY_GAIN);
-        memset(temp, 0, outFrameCount * MAX_NUM_CHANNELS * sizeof(int32_t));
-        t->resampler->resample(temp, outFrameCount, t->bufferProvider);
-        volumeRampStereo(t, out, outFrameCount, temp);
-    }
-
-    // constant gain
-    else {
-        t->resampler->setVolume(t->volume[0], t->volume[1]);
-        t->resampler->resample(out, outFrameCount, t->bufferProvider);
-    }
-}
-
-void AudioMixer::track__nop(track_t* t, int32_t* out, size_t outFrameCount, int32_t* temp)
-{
-}
-
-void AudioMixer::volumeRampStereo(track_t* t, int32_t* out, size_t frameCount, int32_t* temp)
-{
-    int32_t vl = t->prevVolume[0];
-    int32_t vr = t->prevVolume[1];
-    const int32_t vlInc = t->volumeInc[0];
-    const int32_t vrInc = t->volumeInc[1];
-
-    //LOGD("[0] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d",
-    //        t, vlInc/65536.0f, vl/65536.0f, t->volume[0],
-    //       (vl + vlInc*frameCount)/65536.0f, frameCount);
-   
-    // ramp volume
-    do {
-        *out++ += (vl >> 16) * (*temp++ >> 12);
-        *out++ += (vr >> 16) * (*temp++ >> 12);
-        vl += vlInc;
-        vr += vrInc;
-    } while (--frameCount);
-
-    t->prevVolume[0] = vl;
-    t->prevVolume[1] = vr;
-    t->adjustVolumeRamp();
-}
-
-void AudioMixer::track__16BitsStereo(track_t* t, int32_t* out, size_t frameCount, int32_t* temp)
-{
-    int16_t const *in = static_cast<int16_t const *>(t->in);
-
-    // ramp gain
-    if UNLIKELY(t->volumeInc[0]|t->volumeInc[1]) {
-        int32_t vl = t->prevVolume[0];
-        int32_t vr = t->prevVolume[1];
-        const int32_t vlInc = t->volumeInc[0];
-        const int32_t vrInc = t->volumeInc[1];
-
-        // LOGD("[1] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d",
-        //        t, vlInc/65536.0f, vl/65536.0f, t->volume[0],
-        //        (vl + vlInc*frameCount)/65536.0f, frameCount);
-
-        do {
-            *out++ += (vl >> 16) * (int32_t) *in++;
-            *out++ += (vr >> 16) * (int32_t) *in++;
-            vl += vlInc;
-            vr += vrInc;
-        } while (--frameCount);
-       
-        t->prevVolume[0] = vl;
-        t->prevVolume[1] = vr;
-        t->adjustVolumeRamp();
-    }
-
-    // constant gain
-    else {
-        const uint32_t vrl = t->volumeRL;
-        do {
-            uint32_t rl = *reinterpret_cast<uint32_t const *>(in);
-            in += 2;
-            out[0] = mulAddRL(1, rl, vrl, out[0]);
-            out[1] = mulAddRL(0, rl, vrl, out[1]);
-            out += 2;
-        } while (--frameCount);
-    }
-    t->in = in;
-}
-
-void AudioMixer::track__16BitsMono(track_t* t, int32_t* out, size_t frameCount, int32_t* temp)
-{
-    int16_t const *in = static_cast<int16_t const *>(t->in);
-
-    // ramp gain
-    if UNLIKELY(t->volumeInc[0]|t->volumeInc[1]) {
-        int32_t vl = t->prevVolume[0];
-        int32_t vr = t->prevVolume[1];
-        const int32_t vlInc = t->volumeInc[0];
-        const int32_t vrInc = t->volumeInc[1];
-
-        // LOGD("[2] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d",
-        //         t, vlInc/65536.0f, vl/65536.0f, t->volume[0],
-        //         (vl + vlInc*frameCount)/65536.0f, frameCount);
-
-        do {
-            int32_t l = *in++;
-            *out++ += (vl >> 16) * l;
-            *out++ += (vr >> 16) * l;
-            vl += vlInc;
-            vr += vrInc;
-        } while (--frameCount);
-       
-        t->prevVolume[0] = vl;
-        t->prevVolume[1] = vr;
-        t->adjustVolumeRamp();
-    }
-    // constant gain
-    else {
-        const int16_t vl = t->volume[0];
-        const int16_t vr = t->volume[1];
-        do {
-            int16_t l = *in++;
-            out[0] = mulAdd(l, vl, out[0]);
-            out[1] = mulAdd(l, vr, out[1]);
-            out += 2;
-        } while (--frameCount);
-    }
-    t->in = in;
-}
-
-void AudioMixer::ditherAndClamp(int32_t* out, int32_t const *sums, size_t c)
-{
-    for (size_t i=0 ; i<c ; i++) {
-        int32_t l = *sums++;
-        int32_t r = *sums++;
-        int32_t nl = l >> 12;
-        int32_t nr = r >> 12;
-        l = clamp16(nl);
-        r = clamp16(nr);
-        *out++ = (r<<16) | (l & 0xFFFF);
-    }
-}
-
-// no-op case
-void AudioMixer::process__nop(state_t* state, void* output)
-{
-    // this assumes output 16 bits stereo, no resampling
-    memset(output, 0, state->frameCount*4);
-    uint32_t en = state->enabledTracks;
-    while (en) {
-        const int i = 31 - __builtin_clz(en);
-        en &= ~(1<<i);
-        track_t& t = state->tracks[i];
-        size_t outFrames = state->frameCount;
-        while (outFrames) {
-            t.buffer.frameCount = outFrames;
-            t.bufferProvider->getNextBuffer(&t.buffer);
-            if (!t.buffer.raw) break;
-            outFrames -= t.buffer.frameCount;
-            t.bufferProvider->releaseBuffer(&t.buffer);
-        }
-    }
-}
-
-// generic code without resampling
-void AudioMixer::process__genericNoResampling(state_t* state, void* output)
-{
-    int32_t outTemp[BLOCKSIZE * MAX_NUM_CHANNELS] __attribute__((aligned(32)));
-
-    // acquire each track's buffer
-    uint32_t enabledTracks = state->enabledTracks;
-    uint32_t en = enabledTracks;
-    while (en) {
-        const int i = 31 - __builtin_clz(en);
-        en &= ~(1<<i);
-        track_t& t = state->tracks[i];
-        t.buffer.frameCount = state->frameCount;
-        t.bufferProvider->getNextBuffer(&t.buffer);
-        t.frameCount = t.buffer.frameCount;
-        t.in = t.buffer.raw;
-        // t.in == NULL can happen if the track was flushed just after having
-        // been enabled for mixing.
-        if (t.in == NULL)
-            enabledTracks &= ~(1<<i);
-    }
-
-    // this assumes output 16 bits stereo, no resampling
-    int32_t* out = static_cast<int32_t*>(output);
-    size_t numFrames = state->frameCount;
-    do {
-        memset(outTemp, 0, sizeof(outTemp));
-
-        en = enabledTracks;
-        while (en) {
-            const int i = 31 - __builtin_clz(en);
-            en &= ~(1<<i);
-            track_t& t = state->tracks[i];
-            size_t outFrames = BLOCKSIZE;
-           
-            while (outFrames) {
-                size_t inFrames = (t.frameCount > outFrames)?outFrames:t.frameCount;
-                if (inFrames) {
-                    (t.hook)(&t, outTemp + (BLOCKSIZE-outFrames)*MAX_NUM_CHANNELS, inFrames, state->resampleTemp);
-                    t.frameCount -= inFrames;
-                    outFrames -= inFrames;
-                }
-                if (t.frameCount == 0 && outFrames) {
-                    t.bufferProvider->releaseBuffer(&t.buffer);
-                    t.buffer.frameCount = numFrames - (BLOCKSIZE - outFrames);
-                    t.bufferProvider->getNextBuffer(&t.buffer);
-                    t.in = t.buffer.raw;
-                    if (t.in == NULL) {
-                        enabledTracks &= ~(1<<i);
-                        break;
-                    }
-                    t.frameCount = t.buffer.frameCount;
-                 }
-            }
-        }
-
-        ditherAndClamp(out, outTemp, BLOCKSIZE);
-        out += BLOCKSIZE;
-        numFrames -= BLOCKSIZE;
-    } while (numFrames);
-
-
-    // release each track's buffer
-    en = enabledTracks;
-    while (en) {
-        const int i = 31 - __builtin_clz(en);
-        en &= ~(1<<i);
-        track_t& t = state->tracks[i];
-        t.bufferProvider->releaseBuffer(&t.buffer);
-    }
-}
-
-// generic code with resampling
-void AudioMixer::process__genericResampling(state_t* state, void* output)
-{
-    int32_t* const outTemp = state->outputTemp;
-    const size_t size = sizeof(int32_t) * MAX_NUM_CHANNELS * state->frameCount;
-    memset(outTemp, 0, size);
-
-    int32_t* out = static_cast<int32_t*>(output);
-    size_t numFrames = state->frameCount;
-
-    uint32_t en = state->enabledTracks;
-    while (en) {
-        const int i = 31 - __builtin_clz(en);
-        en &= ~(1<<i);
-        track_t& t = state->tracks[i];
-
-        // this is a little goofy, on the resampling case we don't
-        // acquire/release the buffers because it's done by
-        // the resampler.
-        if ((t.needs & NEEDS_RESAMPLE__MASK) == NEEDS_RESAMPLE_ENABLED) {
-            (t.hook)(&t, outTemp, numFrames, state->resampleTemp);
-        } else {
-
-            size_t outFrames = numFrames;
-           
-            while (outFrames) {
-                t.buffer.frameCount = outFrames;
-                t.bufferProvider->getNextBuffer(&t.buffer);
-                t.in = t.buffer.raw;
-                // t.in == NULL can happen if the track was flushed just after having
-                // been enabled for mixing.
-                if (t.in == NULL) break;
-
-                (t.hook)(&t, outTemp + (numFrames-outFrames)*MAX_NUM_CHANNELS, t.buffer.frameCount, state->resampleTemp);
-                outFrames -= t.buffer.frameCount;
-                t.bufferProvider->releaseBuffer(&t.buffer);
-            }
-        }
-    }
-
-    ditherAndClamp(out, outTemp, numFrames);
-}
-
-// one track, 16 bits stereo without resampling is the most common case
-void AudioMixer::process__OneTrack16BitsStereoNoResampling(state_t* state, void* output)
-{
-    const int i = 31 - __builtin_clz(state->enabledTracks);
-    const track_t& t = state->tracks[i];
-
-    AudioBufferProvider::Buffer& b(t.buffer);
-   
-    int32_t* out = static_cast<int32_t*>(output);
-    size_t numFrames = state->frameCount;
-  
-    const int16_t vl = t.volume[0];
-    const int16_t vr = t.volume[1];
-    const uint32_t vrl = t.volumeRL;
-    while (numFrames) {
-        b.frameCount = numFrames;
-        t.bufferProvider->getNextBuffer(&b);
-        int16_t const *in = b.i16;
-
-        // in == NULL can happen if the track was flushed just after having
-        // been enabled for mixing.
-        if (in == NULL || ((unsigned long)in & 3)) {
-            memset(out, 0, numFrames*MAX_NUM_CHANNELS*sizeof(int16_t));
-            LOGE_IF(((unsigned long)in & 3), "process stereo track: input buffer alignment pb: buffer %p track %d, channels %d, needs %08x",
-                    in, i, t.channelCount, t.needs);
-            return;
-        }
-        size_t outFrames = b.frameCount;
-       
-        if (UNLIKELY(uint32_t(vl) > UNITY_GAIN || uint32_t(vr) > UNITY_GAIN)) {
-            // volume is boosted, so we might need to clamp even though
-            // we process only one track.
-            do {
-                uint32_t rl = *reinterpret_cast<uint32_t const *>(in);
-                in += 2;
-                int32_t l = mulRL(1, rl, vrl) >> 12;
-                int32_t r = mulRL(0, rl, vrl) >> 12;
-                // clamping...
-                l = clamp16(l);
-                r = clamp16(r);
-                *out++ = (r<<16) | (l & 0xFFFF);
-            } while (--outFrames);
-        } else {
-            do {
-                uint32_t rl = *reinterpret_cast<uint32_t const *>(in);
-                in += 2;
-                int32_t l = mulRL(1, rl, vrl) >> 12;
-                int32_t r = mulRL(0, rl, vrl) >> 12;
-                *out++ = (r<<16) | (l & 0xFFFF);
-            } while (--outFrames);
-        }
-        numFrames -= b.frameCount;
-        t.bufferProvider->releaseBuffer(&b);
-    }
-}
-
-// 2 tracks is also a common case
-void AudioMixer::process__TwoTracks16BitsStereoNoResampling(state_t* state, void* output)
-{
-    int i;
-    uint32_t en = state->enabledTracks;
-
-    i = 31 - __builtin_clz(en);
-    const track_t& t0 = state->tracks[i];
-    AudioBufferProvider::Buffer& b0(t0.buffer);
-
-    en &= ~(1<<i);
-    i = 31 - __builtin_clz(en);
-    const track_t& t1 = state->tracks[i];
-    AudioBufferProvider::Buffer& b1(t1.buffer);
-   
-    int16_t const *in0;
-    const int16_t vl0 = t0.volume[0];
-    const int16_t vr0 = t0.volume[1];
-    size_t frameCount0 = 0;
-  
-    int16_t const *in1;
-    const int16_t vl1 = t1.volume[0];
-    const int16_t vr1 = t1.volume[1];
-    size_t frameCount1 = 0;
-   
-    int32_t* out = static_cast<int32_t*>(output);
-    size_t numFrames = state->frameCount;
-    int16_t const *buff = NULL;
-
-  
-    while (numFrames) {
-   
-        if (frameCount0 == 0) {
-            b0.frameCount = numFrames;
-            t0.bufferProvider->getNextBuffer(&b0);
-            if (b0.i16 == NULL) {
-                if (buff == NULL) {
-                    buff = new int16_t[MAX_NUM_CHANNELS * state->frameCount];
-                }
-                in0 = buff;
-                b0.frameCount = numFrames;
-            } else {
-                in0 = b0.i16;
-            }
-            frameCount0 = b0.frameCount;
-        }
-        if (frameCount1 == 0) {
-            b1.frameCount = numFrames;
-            t1.bufferProvider->getNextBuffer(&b1);
-            if (b1.i16 == NULL) {
-                if (buff == NULL) {
-                    buff = new int16_t[MAX_NUM_CHANNELS * state->frameCount];
-                }
-                in1 = buff;
-                b1.frameCount = numFrames;
-               } else {
-                in1 = b1.i16;
-            }
-            frameCount1 = b1.frameCount;
-        }
-       
-        size_t outFrames = frameCount0 < frameCount1?frameCount0:frameCount1;
-
-        numFrames -= outFrames;
-        frameCount0 -= outFrames;
-        frameCount1 -= outFrames;
-       
-        do {
-            int32_t l0 = *in0++;
-            int32_t r0 = *in0++;
-            l0 = mul(l0, vl0);
-            r0 = mul(r0, vr0);
-            int32_t l = *in1++;
-            int32_t r = *in1++;
-            l = mulAdd(l, vl1, l0) >> 12;
-            r = mulAdd(r, vr1, r0) >> 12;
-            // clamping...
-            l = clamp16(l);
-            r = clamp16(r);
-            *out++ = (r<<16) | (l & 0xFFFF);
-        } while (--outFrames);
-       
-        if (frameCount0 == 0) {
-            t0.bufferProvider->releaseBuffer(&b0);
-        }
-        if (frameCount1 == 0) {
-            t1.bufferProvider->releaseBuffer(&b1);
-        }
-    }   
-       
-    if (buff != NULL) {
-        delete [] buff;       
-    }
-}
-
-// ----------------------------------------------------------------------------
-}; // namespace android
-
diff --git a/libs/audioflinger/AudioMixer.h b/libs/audioflinger/AudioMixer.h
deleted file mode 100644
index 15766cd..0000000
--- a/libs/audioflinger/AudioMixer.h
+++ /dev/null
@@ -1,193 +0,0 @@
-/* //device/include/server/AudioFlinger/AudioMixer.h
-**
-** Copyright 2007, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-**     http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
-*/
-
-#ifndef ANDROID_AUDIO_MIXER_H
-#define ANDROID_AUDIO_MIXER_H
-
-#include <stdint.h>
-#include <sys/types.h>
-
-#include "AudioBufferProvider.h"
-#include "AudioResampler.h"
-
-namespace android {
-
-// ----------------------------------------------------------------------------
-
-#define LIKELY( exp )       (__builtin_expect( (exp) != 0, true  ))
-#define UNLIKELY( exp )     (__builtin_expect( (exp) != 0, false ))
-
-// ----------------------------------------------------------------------------
-
-class AudioMixer
-{
-public:
-                            AudioMixer(size_t frameCount, uint32_t sampleRate);
-
-                            ~AudioMixer();
-
-    static const uint32_t MAX_NUM_TRACKS = 32;
-    static const uint32_t MAX_NUM_CHANNELS = 2;
-
-    static const uint16_t UNITY_GAIN = 0x1000;
-
-    enum { // names
-
-        // track units (32 units)
-        TRACK0          = 0x1000,
-
-        // enable/disable
-        MIXING          = 0x2000,
-
-        // setParameter targets
-        TRACK           = 0x3000,
-        RESAMPLE        = 0x3001,
-        RAMP_VOLUME     = 0x3002, // ramp to new volume
-        VOLUME          = 0x3003, // don't ramp
-
-        // set Parameter names
-        // for target TRACK
-        CHANNEL_COUNT   = 0x4000,
-        FORMAT          = 0x4001,
-        // for TARGET RESAMPLE
-        SAMPLE_RATE     = 0x4100,
-        // for TARGET VOLUME (8 channels max)
-        VOLUME0         = 0x4200,
-        VOLUME1         = 0x4201,
-    };
-
-
-    int         getTrackName();
-    void        deleteTrackName(int name);
-
-    status_t    enable(int name);
-    status_t    disable(int name);
-
-    status_t    setActiveTrack(int track);
-    status_t    setParameter(int target, int name, int value);
-
-    status_t    setBufferProvider(AudioBufferProvider* bufferProvider);
-    void        process(void* output);
-
-    uint32_t    trackNames() const { return mTrackNames; }
-
-    static void ditherAndClamp(int32_t* out, int32_t const *sums, size_t c);
-
-private:
-
-    enum {
-        NEEDS_CHANNEL_COUNT__MASK   = 0x00000003,
-        NEEDS_FORMAT__MASK          = 0x000000F0,
-        NEEDS_MUTE__MASK            = 0x00000100,
-        NEEDS_RESAMPLE__MASK        = 0x00001000,
-    };
-
-    enum {
-        NEEDS_CHANNEL_1             = 0x00000000,
-        NEEDS_CHANNEL_2             = 0x00000001,
-
-        NEEDS_FORMAT_16             = 0x00000010,
-
-        NEEDS_MUTE_DISABLED         = 0x00000000,
-        NEEDS_MUTE_ENABLED          = 0x00000100,
-
-        NEEDS_RESAMPLE_DISABLED     = 0x00000000,
-        NEEDS_RESAMPLE_ENABLED      = 0x00001000,
-    };
-
-    static inline int32_t applyVolume(int32_t in, int32_t v) {
-        return in * v;
-    }
-
-
-    struct state_t;
-
-    typedef void (*mix_t)(state_t* state, void* output);
-
-    static const int BLOCKSIZE = 16; // 4 cache lines
-
-    struct track_t {
-        uint32_t    needs;
-
-        union {
-        int16_t     volume[2];      // [0]3.12 fixed point
-        int32_t     volumeRL;
-        };
-
-        int32_t     prevVolume[2];
-
-        int32_t     volumeInc[2];
-
-        uint16_t    frameCount;
-
-        uint8_t     channelCount : 4;
-        uint8_t     enabled      : 1;
-        uint8_t     reserved0    : 3;
-        uint8_t     format;
-
-        AudioBufferProvider*                bufferProvider;
-        mutable AudioBufferProvider::Buffer buffer;
-
-        void (*hook)(track_t* t, int32_t* output, size_t numOutFrames, int32_t* temp);
-        void const* in;             // current location in buffer
-
-        AudioResampler*     resampler;
-        uint32_t            sampleRate;
-
-        bool        setResampler(uint32_t sampleRate, uint32_t devSampleRate);
-        bool        doesResample() const;
-        void        adjustVolumeRamp();
-    };
-
-    // pad to 32-bytes to fill cache line
-    struct state_t {
-        uint32_t        enabledTracks;
-        uint32_t        needsChanged;
-        size_t          frameCount;
-        mix_t           hook;
-        int32_t         *outputTemp;
-        int32_t         *resampleTemp;
-        int32_t         reserved[2];
-        track_t         tracks[32]; __attribute__((aligned(32)));
-    };
-
-    int             mActiveTrack;
-    uint32_t        mTrackNames;
-    const uint32_t  mSampleRate;
-
-    state_t         mState __attribute__((aligned(32)));
-
-    void invalidateState(uint32_t mask);
-
-    static void track__genericResample(track_t* t, int32_t* out, size_t numFrames, int32_t* temp);
-    static void track__nop(track_t* t, int32_t* out, size_t numFrames, int32_t* temp);
-    static void volumeRampStereo(track_t* t, int32_t* out, size_t frameCount, int32_t* temp);
-    static void track__16BitsStereo(track_t* t, int32_t* out, size_t numFrames, int32_t* temp);
-    static void track__16BitsMono(track_t* t, int32_t* out, size_t numFrames, int32_t* temp);
-
-    static void process__validate(state_t* state, void* output);
-    static void process__nop(state_t* state, void* output);
-    static void process__genericNoResampling(state_t* state, void* output);
-    static void process__genericResampling(state_t* state, void* output);
-    static void process__OneTrack16BitsStereoNoResampling(state_t* state, void* output);
-    static void process__TwoTracks16BitsStereoNoResampling(state_t* state, void* output);
-};
-
-// ----------------------------------------------------------------------------
-}; // namespace android
-
-#endif // ANDROID_AUDIO_MIXER_H
diff --git a/libs/audioflinger/AudioPolicyManagerBase.cpp b/libs/audioflinger/AudioPolicyManagerBase.cpp
deleted file mode 100644
index c8b3f48..0000000
--- a/libs/audioflinger/AudioPolicyManagerBase.cpp
+++ /dev/null
@@ -1,1972 +0,0 @@
-/*
- * Copyright (C) 2009 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "AudioPolicyManagerBase"
-//#define LOG_NDEBUG 0
-#include <utils/Log.h>
-#include <hardware_legacy/AudioPolicyManagerBase.h>
-#include <media/mediarecorder.h>
-
-namespace android {
-
-
-// ----------------------------------------------------------------------------
-// AudioPolicyInterface implementation
-// ----------------------------------------------------------------------------
-
-
-status_t AudioPolicyManagerBase::setDeviceConnectionState(AudioSystem::audio_devices device,
-                                                  AudioSystem::device_connection_state state,
-                                                  const char *device_address)
-{
-
-    LOGV("setDeviceConnectionState() device: %x, state %d, address %s", device, state, device_address);
-
-    // connect/disconnect only 1 device at a time
-    if (AudioSystem::popCount(device) != 1) return BAD_VALUE;
-
-    if (strlen(device_address) >= MAX_DEVICE_ADDRESS_LEN) {
-        LOGE("setDeviceConnectionState() invalid address: %s", device_address);
-        return BAD_VALUE;
-    }
-
-    // handle output devices
-    if (AudioSystem::isOutputDevice(device)) {
-
-#ifndef WITH_A2DP
-        if (AudioSystem::isA2dpDevice(device)) {
-            LOGE("setDeviceConnectionState() invalid device: %x", device);
-            return BAD_VALUE;
-        }
-#endif
-
-        switch (state)
-        {
-        // handle output device connection
-        case AudioSystem::DEVICE_STATE_AVAILABLE:
-            if (mAvailableOutputDevices & device) {
-                LOGW("setDeviceConnectionState() device already connected: %x", device);
-                return INVALID_OPERATION;
-            }
-            LOGV("setDeviceConnectionState() connecting device %x", device);
-
-            // register new device as available
-            mAvailableOutputDevices |= device;
-
-#ifdef WITH_A2DP
-            // handle A2DP device connection
-            if (AudioSystem::isA2dpDevice(device)) {
-                status_t status = handleA2dpConnection(device, device_address);
-                if (status != NO_ERROR) {
-                    mAvailableOutputDevices &= ~device;
-                    return status;
-                }
-            } else
-#endif
-            {
-                if (AudioSystem::isBluetoothScoDevice(device)) {
-                    LOGV("setDeviceConnectionState() BT SCO  device, address %s", device_address);
-                    // keep track of SCO device address
-                    mScoDeviceAddress = String8(device_address, MAX_DEVICE_ADDRESS_LEN);
-#ifdef WITH_A2DP
-                    if (mA2dpOutput != 0 &&
-                        mPhoneState != AudioSystem::MODE_NORMAL) {
-                        mpClientInterface->suspendOutput(mA2dpOutput);
-                    }
-#endif
-                }
-            }
-            break;
-        // handle output device disconnection
-        case AudioSystem::DEVICE_STATE_UNAVAILABLE: {
-            if (!(mAvailableOutputDevices & device)) {
-                LOGW("setDeviceConnectionState() device not connected: %x", device);
-                return INVALID_OPERATION;
-            }
-
-
-            LOGV("setDeviceConnectionState() disconnecting device %x", device);
-            // remove device from available output devices
-            mAvailableOutputDevices &= ~device;
-
-#ifdef WITH_A2DP
-            // handle A2DP device disconnection
-            if (AudioSystem::isA2dpDevice(device)) {
-                status_t status = handleA2dpDisconnection(device, device_address);
-                if (status != NO_ERROR) {
-                    mAvailableOutputDevices |= device;
-                    return status;
-                }
-            } else
-#endif
-            {
-                if (AudioSystem::isBluetoothScoDevice(device)) {
-                    mScoDeviceAddress = "";
-#ifdef WITH_A2DP
-                    if (mA2dpOutput != 0 &&
-                        mPhoneState != AudioSystem::MODE_NORMAL) {
-                        mpClientInterface->restoreOutput(mA2dpOutput);
-                    }
-#endif
-                }
-            }
-            } break;
-
-        default:
-            LOGE("setDeviceConnectionState() invalid state: %x", state);
-            return BAD_VALUE;
-        }
-
-        // request routing change if necessary
-        uint32_t newDevice = getNewDevice(mHardwareOutput, false);
-#ifdef WITH_A2DP
-        checkOutputForAllStrategies(newDevice);
-        // A2DP outputs must be closed after checkOutputForAllStrategies() is executed
-        if (state == AudioSystem::DEVICE_STATE_UNAVAILABLE && AudioSystem::isA2dpDevice(device)) {
-            closeA2dpOutputs();
-        }
-#endif
-        updateDeviceForStrategy();
-        setOutputDevice(mHardwareOutput, newDevice);
-
-        if (device == AudioSystem::DEVICE_OUT_WIRED_HEADSET) {
-            device = AudioSystem::DEVICE_IN_WIRED_HEADSET;
-        } else if (device == AudioSystem::DEVICE_OUT_BLUETOOTH_SCO ||
-                   device == AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_HEADSET ||
-                   device == AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_CARKIT) {
-            device = AudioSystem::DEVICE_IN_BLUETOOTH_SCO_HEADSET;
-        } else {
-            return NO_ERROR;
-        }
-    }
-    // handle input devices
-    if (AudioSystem::isInputDevice(device)) {
-
-        switch (state)
-        {
-        // handle input device connection
-        case AudioSystem::DEVICE_STATE_AVAILABLE: {
-            if (mAvailableInputDevices & device) {
-                LOGW("setDeviceConnectionState() device already connected: %d", device);
-                return INVALID_OPERATION;
-            }
-            mAvailableInputDevices |= device;
-            }
-            break;
-
-        // handle input device disconnection
-        case AudioSystem::DEVICE_STATE_UNAVAILABLE: {
-            if (!(mAvailableInputDevices & device)) {
-                LOGW("setDeviceConnectionState() device not connected: %d", device);
-                return INVALID_OPERATION;
-            }
-            mAvailableInputDevices &= ~device;
-            } break;
-
-        default:
-            LOGE("setDeviceConnectionState() invalid state: %x", state);
-            return BAD_VALUE;
-        }
-
-        audio_io_handle_t activeInput = getActiveInput();
-        if (activeInput != 0) {
-            AudioInputDescriptor *inputDesc = mInputs.valueFor(activeInput);
-            uint32_t newDevice = getDeviceForInputSource(inputDesc->mInputSource);
-            if (newDevice != inputDesc->mDevice) {
-                LOGV("setDeviceConnectionState() changing device from %x to %x for input %d",
-                        inputDesc->mDevice, newDevice, activeInput);
-                inputDesc->mDevice = newDevice;
-                AudioParameter param = AudioParameter();
-                param.addInt(String8(AudioParameter::keyRouting), (int)newDevice);
-                mpClientInterface->setParameters(activeInput, param.toString());
-            }
-        }
-
-        return NO_ERROR;
-    }
-
-    LOGW("setDeviceConnectionState() invalid device: %x", device);
-    return BAD_VALUE;
-}
-
-AudioSystem::device_connection_state AudioPolicyManagerBase::getDeviceConnectionState(AudioSystem::audio_devices device,
-                                                  const char *device_address)
-{
-    AudioSystem::device_connection_state state = AudioSystem::DEVICE_STATE_UNAVAILABLE;
-    String8 address = String8(device_address);
-    if (AudioSystem::isOutputDevice(device)) {
-        if (device & mAvailableOutputDevices) {
-#ifdef WITH_A2DP
-            if (AudioSystem::isA2dpDevice(device) &&
-                address != "" && mA2dpDeviceAddress != address) {
-                return state;
-            }
-#endif
-            if (AudioSystem::isBluetoothScoDevice(device) &&
-                address != "" && mScoDeviceAddress != address) {
-                return state;
-            }
-            state = AudioSystem::DEVICE_STATE_AVAILABLE;
-        }
-    } else if (AudioSystem::isInputDevice(device)) {
-        if (device & mAvailableInputDevices) {
-            state = AudioSystem::DEVICE_STATE_AVAILABLE;
-        }
-    }
-
-    return state;
-}
-
-void AudioPolicyManagerBase::setPhoneState(int state)
-{
-    LOGV("setPhoneState() state %d", state);
-    uint32_t newDevice = 0;
-    if (state < 0 || state >= AudioSystem::NUM_MODES) {
-        LOGW("setPhoneState() invalid state %d", state);
-        return;
-    }
-
-    if (state == mPhoneState ) {
-        LOGW("setPhoneState() setting same state %d", state);
-        return;
-    }
-
-    // if leaving call state, handle special case of active streams
-    // pertaining to sonification strategy see handleIncallSonification()
-    if (mPhoneState == AudioSystem::MODE_IN_CALL) {
-        LOGV("setPhoneState() in call state management: new state is %d", state);
-        for (int stream = 0; stream < AudioSystem::NUM_STREAM_TYPES; stream++) {
-            handleIncallSonification(stream, false, true);
-        }
-    }
-
-    // store previous phone state for management of sonification strategy below
-    int oldState = mPhoneState;
-    mPhoneState = state;
-    bool force = false;
-
-    // are we entering or starting a call
-    if ((oldState != AudioSystem::MODE_IN_CALL) && (state == AudioSystem::MODE_IN_CALL)) {
-        LOGV("  Entering call in setPhoneState()");
-        // force routing command to audio hardware when starting a call
-        // even if no device change is needed
-        force = true;
-    } else if ((oldState == AudioSystem::MODE_IN_CALL) && (state != AudioSystem::MODE_IN_CALL)) {
-        LOGV("  Exiting call in setPhoneState()");
-        // force routing command to audio hardware when exiting a call
-        // even if no device change is needed
-        force = true;
-    }
-
-    // check for device and output changes triggered by new phone state
-    newDevice = getNewDevice(mHardwareOutput, false);
-#ifdef WITH_A2DP
-    checkOutputForAllStrategies(newDevice);
-    // suspend A2DP output if a SCO device is present.
-    if (mA2dpOutput != 0 && mScoDeviceAddress != "") {
-        if (oldState == AudioSystem::MODE_NORMAL) {
-            mpClientInterface->suspendOutput(mA2dpOutput);
-        } else if (state == AudioSystem::MODE_NORMAL) {
-            mpClientInterface->restoreOutput(mA2dpOutput);
-        }
-    }
-#endif
-    updateDeviceForStrategy();
-
-    AudioOutputDescriptor *hwOutputDesc = mOutputs.valueFor(mHardwareOutput);
-
-    // force routing command to audio hardware when ending call
-    // even if no device change is needed
-    if (oldState == AudioSystem::MODE_IN_CALL && newDevice == 0) {
-        newDevice = hwOutputDesc->device();
-    }
-
-    // when changing from ring tone to in call mode, mute the ringing tone
-    // immediately and delay the route change to avoid sending the ring tone
-    // tail into the earpiece or headset.
-    int delayMs = 0;
-    if (state == AudioSystem::MODE_IN_CALL && oldState == AudioSystem::MODE_RINGTONE) {
-        // delay the device change command by twice the output latency to have some margin
-        // and be sure that audio buffers not yet affected by the mute are out when
-        // we actually apply the route change
-        delayMs = hwOutputDesc->mLatency*2;
-        setStreamMute(AudioSystem::RING, true, mHardwareOutput);
-    }
-
-    // change routing is necessary
-    setOutputDevice(mHardwareOutput, newDevice, force, delayMs);
-
-    // if entering in call state, handle special case of active streams
-    // pertaining to sonification strategy see handleIncallSonification()
-    if (state == AudioSystem::MODE_IN_CALL) {
-        LOGV("setPhoneState() in call state management: new state is %d", state);
-        // unmute the ringing tone after a sufficient delay if it was muted before
-        // setting output device above
-        if (oldState == AudioSystem::MODE_RINGTONE) {
-            setStreamMute(AudioSystem::RING, false, mHardwareOutput, MUTE_TIME_MS);
-        }
-        for (int stream = 0; stream < AudioSystem::NUM_STREAM_TYPES; stream++) {
-            handleIncallSonification(stream, true, true);
-        }
-    }
-
-    // Flag that ringtone volume must be limited to music volume until we exit MODE_RINGTONE
-    if (state == AudioSystem::MODE_RINGTONE &&
-        (hwOutputDesc->mRefCount[AudioSystem::MUSIC] ||
-        (systemTime() - mMusicStopTime) < seconds(SONIFICATION_HEADSET_MUSIC_DELAY))) {
-        mLimitRingtoneVolume = true;
-    } else {
-        mLimitRingtoneVolume = false;
-    }
-}
-
-void AudioPolicyManagerBase::setRingerMode(uint32_t mode, uint32_t mask)
-{
-    LOGV("setRingerMode() mode %x, mask %x", mode, mask);
-
-    mRingerMode = mode;
-}
-
-void AudioPolicyManagerBase::setForceUse(AudioSystem::force_use usage, AudioSystem::forced_config config)
-{
-    LOGV("setForceUse() usage %d, config %d, mPhoneState %d", usage, config, mPhoneState);
-
-    bool forceVolumeReeval = false;
-    switch(usage) {
-    case AudioSystem::FOR_COMMUNICATION:
-        if (config != AudioSystem::FORCE_SPEAKER && config != AudioSystem::FORCE_BT_SCO &&
-            config != AudioSystem::FORCE_NONE) {
-            LOGW("setForceUse() invalid config %d for FOR_COMMUNICATION", config);
-            return;
-        }
-        mForceUse[usage] = config;
-        break;
-    case AudioSystem::FOR_MEDIA:
-        if (config != AudioSystem::FORCE_HEADPHONES && config != AudioSystem::FORCE_BT_A2DP &&
-            config != AudioSystem::FORCE_WIRED_ACCESSORY && config != AudioSystem::FORCE_NONE) {
-            LOGW("setForceUse() invalid config %d for FOR_MEDIA", config);
-            return;
-        }
-        mForceUse[usage] = config;
-        break;
-    case AudioSystem::FOR_RECORD:
-        if (config != AudioSystem::FORCE_BT_SCO && config != AudioSystem::FORCE_WIRED_ACCESSORY &&
-            config != AudioSystem::FORCE_NONE) {
-            LOGW("setForceUse() invalid config %d for FOR_RECORD", config);
-            return;
-        }
-        mForceUse[usage] = config;
-        break;
-    case AudioSystem::FOR_DOCK:
-        if (config != AudioSystem::FORCE_NONE && config != AudioSystem::FORCE_BT_CAR_DOCK &&
-            config != AudioSystem::FORCE_BT_DESK_DOCK && config != AudioSystem::FORCE_WIRED_ACCESSORY) {
-            LOGW("setForceUse() invalid config %d for FOR_DOCK", config);
-        }
-        forceVolumeReeval = true;
-        mForceUse[usage] = config;
-        break;
-    default:
-        LOGW("setForceUse() invalid usage %d", usage);
-        break;
-    }
-
-    // check for device and output changes triggered by new phone state
-    uint32_t newDevice = getNewDevice(mHardwareOutput, false);
-#ifdef WITH_A2DP
-    checkOutputForAllStrategies(newDevice);
-#endif
-    updateDeviceForStrategy();
-    setOutputDevice(mHardwareOutput, newDevice);
-    if (forceVolumeReeval) {
-        applyStreamVolumes(mHardwareOutput, newDevice);
-    }
-}
-
-AudioSystem::forced_config AudioPolicyManagerBase::getForceUse(AudioSystem::force_use usage)
-{
-    return mForceUse[usage];
-}
-
-void AudioPolicyManagerBase::setSystemProperty(const char* property, const char* value)
-{
-    LOGV("setSystemProperty() property %s, value %s", property, value);
-    if (strcmp(property, "ro.camera.sound.forced") == 0) {
-        if (atoi(value)) {
-            LOGV("ENFORCED_AUDIBLE cannot be muted");
-            mStreams[AudioSystem::ENFORCED_AUDIBLE].mCanBeMuted = false;
-        } else {
-            LOGV("ENFORCED_AUDIBLE can be muted");
-            mStreams[AudioSystem::ENFORCED_AUDIBLE].mCanBeMuted = true;
-        }
-    }
-}
-
-audio_io_handle_t AudioPolicyManagerBase::getOutput(AudioSystem::stream_type stream,
-                                    uint32_t samplingRate,
-                                    uint32_t format,
-                                    uint32_t channels,
-                                    AudioSystem::output_flags flags)
-{
-    audio_io_handle_t output = 0;
-    uint32_t latency = 0;
-    routing_strategy strategy = getStrategy((AudioSystem::stream_type)stream);
-    uint32_t device = getDeviceForStrategy(strategy);
-    LOGV("getOutput() stream %d, samplingRate %d, format %d, channels %x, flags %x", stream, samplingRate, format, channels, flags);
-
-#ifdef AUDIO_POLICY_TEST
-    if (mCurOutput != 0) {
-        LOGV("getOutput() test output mCurOutput %d, samplingRate %d, format %d, channels %x, mDirectOutput %d",
-                mCurOutput, mTestSamplingRate, mTestFormat, mTestChannels, mDirectOutput);
-
-        if (mTestOutputs[mCurOutput] == 0) {
-            LOGV("getOutput() opening test output");
-            AudioOutputDescriptor *outputDesc = new AudioOutputDescriptor();
-            outputDesc->mDevice = mTestDevice;
-            outputDesc->mSamplingRate = mTestSamplingRate;
-            outputDesc->mFormat = mTestFormat;
-            outputDesc->mChannels = mTestChannels;
-            outputDesc->mLatency = mTestLatencyMs;
-            outputDesc->mFlags = (AudioSystem::output_flags)(mDirectOutput ? AudioSystem::OUTPUT_FLAG_DIRECT : 0);
-            outputDesc->mRefCount[stream] = 0;
-            mTestOutputs[mCurOutput] = mpClientInterface->openOutput(&outputDesc->mDevice,
-                                            &outputDesc->mSamplingRate,
-                                            &outputDesc->mFormat,
-                                            &outputDesc->mChannels,
-                                            &outputDesc->mLatency,
-                                            outputDesc->mFlags);
-            if (mTestOutputs[mCurOutput]) {
-                AudioParameter outputCmd = AudioParameter();
-                outputCmd.addInt(String8("set_id"),mCurOutput);
-                mpClientInterface->setParameters(mTestOutputs[mCurOutput],outputCmd.toString());
-                addOutput(mTestOutputs[mCurOutput], outputDesc);
-            }
-        }
-        return mTestOutputs[mCurOutput];
-    }
-#endif //AUDIO_POLICY_TEST
-
-    // open a direct output if required by specified parameters
-    if (needsDirectOuput(stream, samplingRate, format, channels, flags, device)) {
-
-        LOGV("getOutput() opening direct output device %x", device);
-        AudioOutputDescriptor *outputDesc = new AudioOutputDescriptor();
-        outputDesc->mDevice = device;
-        outputDesc->mSamplingRate = samplingRate;
-        outputDesc->mFormat = format;
-        outputDesc->mChannels = channels;
-        outputDesc->mLatency = 0;
-        outputDesc->mFlags = (AudioSystem::output_flags)(flags | AudioSystem::OUTPUT_FLAG_DIRECT);
-        outputDesc->mRefCount[stream] = 0;
-        output = mpClientInterface->openOutput(&outputDesc->mDevice,
-                                        &outputDesc->mSamplingRate,
-                                        &outputDesc->mFormat,
-                                        &outputDesc->mChannels,
-                                        &outputDesc->mLatency,
-                                        outputDesc->mFlags);
-
-        // only accept an output with the requeted parameters
-        if (output == 0 ||
-            (samplingRate != 0 && samplingRate != outputDesc->mSamplingRate) ||
-            (format != 0 && format != outputDesc->mFormat) ||
-            (channels != 0 && channels != outputDesc->mChannels)) {
-            LOGV("getOutput() failed opening direct output: samplingRate %d, format %d, channels %d",
-                    samplingRate, format, channels);
-            if (output != 0) {
-                mpClientInterface->closeOutput(output);
-            }
-            delete outputDesc;
-            return 0;
-        }
-        addOutput(output, outputDesc);
-        return output;
-    }
-
-    if (channels != 0 && channels != AudioSystem::CHANNEL_OUT_MONO &&
-        channels != AudioSystem::CHANNEL_OUT_STEREO) {
-        return 0;
-    }
-    // open a non direct output
-
-    // get which output is suitable for the specified stream. The actual routing change will happen
-    // when startOutput() will be called
-    uint32_t a2dpDevice = device & AudioSystem::DEVICE_OUT_ALL_A2DP;
-    if (AudioSystem::popCount((AudioSystem::audio_devices)device) == 2) {
-#ifdef WITH_A2DP
-        if (a2dpUsedForSonification() && a2dpDevice != 0) {
-            // if playing on 2 devices among which one is A2DP, use duplicated output
-            LOGV("getOutput() using duplicated output");
-            LOGW_IF((mA2dpOutput == 0), "getOutput() A2DP device in multiple %x selected but A2DP output not opened", device);
-            output = mDuplicatedOutput;
-        } else
-#endif
-        {
-            // if playing on 2 devices among which none is A2DP, use hardware output
-            output = mHardwareOutput;
-        }
-        LOGV("getOutput() using output %d for 2 devices %x", output, device);
-    } else {
-#ifdef WITH_A2DP
-        if (a2dpDevice != 0) {
-            // if playing on A2DP device, use a2dp output
-            LOGW_IF((mA2dpOutput == 0), "getOutput() A2DP device %x selected but A2DP output not opened", device);
-            output = mA2dpOutput;
-        } else
-#endif
-        {
-            // if playing on not A2DP device, use hardware output
-            output = mHardwareOutput;
-        }
-    }
-
-
-    LOGW_IF((output ==0), "getOutput() could not find output for stream %d, samplingRate %d, format %d, channels %x, flags %x",
-                stream, samplingRate, format, channels, flags);
-
-    return output;
-}
-
-status_t AudioPolicyManagerBase::startOutput(audio_io_handle_t output, AudioSystem::stream_type stream)
-{
-    LOGV("startOutput() output %d, stream %d", output, stream);
-    ssize_t index = mOutputs.indexOfKey(output);
-    if (index < 0) {
-        LOGW("startOutput() unknow output %d", output);
-        return BAD_VALUE;
-    }
-
-    AudioOutputDescriptor *outputDesc = mOutputs.valueAt(index);
-    routing_strategy strategy = getStrategy((AudioSystem::stream_type)stream);
-
-#ifdef WITH_A2DP
-    if (mA2dpOutput != 0  && !a2dpUsedForSonification() && strategy == STRATEGY_SONIFICATION) {
-        setStrategyMute(STRATEGY_MEDIA, true, mA2dpOutput);
-    }
-#endif
-
-    // incremenent usage count for this stream on the requested output:
-    // NOTE that the usage count is the same for duplicated output and hardware output which is
-    // necassary for a correct control of hardware output routing by startOutput() and stopOutput()
-    outputDesc->changeRefCount(stream, 1);
-
-    setOutputDevice(output, getNewDevice(output));
-
-    // handle special case for sonification while in call
-    if (mPhoneState == AudioSystem::MODE_IN_CALL) {
-        handleIncallSonification(stream, true, false);
-    }
-
-    // apply volume rules for current stream and device if necessary
-    checkAndSetVolume(stream, mStreams[stream].mIndexCur, output, outputDesc->device());
-
-    return NO_ERROR;
-}
-
-status_t AudioPolicyManagerBase::stopOutput(audio_io_handle_t output, AudioSystem::stream_type stream)
-{
-    LOGV("stopOutput() output %d, stream %d", output, stream);
-    ssize_t index = mOutputs.indexOfKey(output);
-    if (index < 0) {
-        LOGW("stopOutput() unknow output %d", output);
-        return BAD_VALUE;
-    }
-
-    AudioOutputDescriptor *outputDesc = mOutputs.valueAt(index);
-    routing_strategy strategy = getStrategy((AudioSystem::stream_type)stream);
-
-    // handle special case for sonification while in call
-    if (mPhoneState == AudioSystem::MODE_IN_CALL) {
-        handleIncallSonification(stream, false, false);
-    }
-
-    if (outputDesc->mRefCount[stream] > 0) {
-        // decrement usage count of this stream on the output
-        outputDesc->changeRefCount(stream, -1);
-        // store time at which the last music track was stopped - see computeVolume()
-        if (stream == AudioSystem::MUSIC) {
-            mMusicStopTime = systemTime();
-        }
-
-        setOutputDevice(output, getNewDevice(output));
-
-#ifdef WITH_A2DP
-        if (mA2dpOutput != 0 && !a2dpUsedForSonification() && strategy == STRATEGY_SONIFICATION) {
-            setStrategyMute(STRATEGY_MEDIA, false, mA2dpOutput, mOutputs.valueFor(mHardwareOutput)->mLatency*2);
-        }
-#endif
-        if (output != mHardwareOutput) {
-            setOutputDevice(mHardwareOutput, getNewDevice(mHardwareOutput), true);
-        }
-        return NO_ERROR;
-    } else {
-        LOGW("stopOutput() refcount is already 0 for output %d", output);
-        return INVALID_OPERATION;
-    }
-}
-
-void AudioPolicyManagerBase::releaseOutput(audio_io_handle_t output)
-{
-    LOGV("releaseOutput() %d", output);
-    ssize_t index = mOutputs.indexOfKey(output);
-    if (index < 0) {
-        LOGW("releaseOutput() releasing unknown output %d", output);
-        return;
-    }
-
-#ifdef AUDIO_POLICY_TEST
-    int testIndex = testOutputIndex(output);
-    if (testIndex != 0) {
-        AudioOutputDescriptor *outputDesc = mOutputs.valueAt(index);
-        if (outputDesc->refCount() == 0) {
-            mpClientInterface->closeOutput(output);
-            delete mOutputs.valueAt(index);
-            mOutputs.removeItem(output);
-            mTestOutputs[testIndex] = 0;
-        }
-        return;
-    }
-#endif //AUDIO_POLICY_TEST
-
-    if (mOutputs.valueAt(index)->mFlags & AudioSystem::OUTPUT_FLAG_DIRECT) {
-        mpClientInterface->closeOutput(output);
-        delete mOutputs.valueAt(index);
-        mOutputs.removeItem(output);
-    }
-}
-
-audio_io_handle_t AudioPolicyManagerBase::getInput(int inputSource,
-                                    uint32_t samplingRate,
-                                    uint32_t format,
-                                    uint32_t channels,
-                                    AudioSystem::audio_in_acoustics acoustics)
-{
-    audio_io_handle_t input = 0;
-    uint32_t device = getDeviceForInputSource(inputSource);
-
-    LOGV("getInput() inputSource %d, samplingRate %d, format %d, channels %x, acoustics %x", inputSource, samplingRate, format, channels, acoustics);
-
-    if (device == 0) {
-        return 0;
-    }
-
-    // adapt channel selection to input source
-    switch(inputSource) {
-    case AUDIO_SOURCE_VOICE_UPLINK:
-        channels = AudioSystem::CHANNEL_IN_VOICE_UPLINK;
-        break;
-    case AUDIO_SOURCE_VOICE_DOWNLINK:
-        channels = AudioSystem::CHANNEL_IN_VOICE_DNLINK;
-        break;
-    case AUDIO_SOURCE_VOICE_CALL:
-        channels = (AudioSystem::CHANNEL_IN_VOICE_UPLINK | AudioSystem::CHANNEL_IN_VOICE_DNLINK);
-        break;
-    default:
-        break;
-    }
-
-    AudioInputDescriptor *inputDesc = new AudioInputDescriptor();
-
-    inputDesc->mInputSource = inputSource;
-    inputDesc->mDevice = device;
-    inputDesc->mSamplingRate = samplingRate;
-    inputDesc->mFormat = format;
-    inputDesc->mChannels = channels;
-    inputDesc->mAcoustics = acoustics;
-    inputDesc->mRefCount = 0;
-    input = mpClientInterface->openInput(&inputDesc->mDevice,
-                                    &inputDesc->mSamplingRate,
-                                    &inputDesc->mFormat,
-                                    &inputDesc->mChannels,
-                                    inputDesc->mAcoustics);
-
-    // only accept input with the exact requested set of parameters
-    if (input == 0 ||
-        (samplingRate != inputDesc->mSamplingRate) ||
-        (format != inputDesc->mFormat) ||
-        (channels != inputDesc->mChannels)) {
-        LOGV("getInput() failed opening input: samplingRate %d, format %d, channels %d",
-                samplingRate, format, channels);
-        if (input != 0) {
-            mpClientInterface->closeInput(input);
-        }
-        delete inputDesc;
-        return 0;
-    }
-    mInputs.add(input, inputDesc);
-    return input;
-}
-
-status_t AudioPolicyManagerBase::startInput(audio_io_handle_t input)
-{
-    LOGV("startInput() input %d", input);
-    ssize_t index = mInputs.indexOfKey(input);
-    if (index < 0) {
-        LOGW("startInput() unknow input %d", input);
-        return BAD_VALUE;
-    }
-    AudioInputDescriptor *inputDesc = mInputs.valueAt(index);
-
-#ifdef AUDIO_POLICY_TEST
-    if (mTestInput == 0)
-#endif //AUDIO_POLICY_TEST
-    {
-        // refuse 2 active AudioRecord clients at the same time
-        if (getActiveInput() != 0) {
-            LOGW("startInput() input %d failed: other input already started", input);
-            return INVALID_OPERATION;
-        }
-    }
-
-    AudioParameter param = AudioParameter();
-    param.addInt(String8(AudioParameter::keyRouting), (int)inputDesc->mDevice);
-
-    // use Voice Recognition mode or not for this input based on input source
-    int vr_enabled = inputDesc->mInputSource == AUDIO_SOURCE_VOICE_RECOGNITION ? 1 : 0;
-    param.addInt(String8("vr_mode"), vr_enabled);
-    LOGV("AudioPolicyManager::startInput(%d), setting vr_mode to %d", inputDesc->mInputSource, vr_enabled);
-
-    mpClientInterface->setParameters(input, param.toString());
-
-    inputDesc->mRefCount = 1;
-    return NO_ERROR;
-}
-
-status_t AudioPolicyManagerBase::stopInput(audio_io_handle_t input)
-{
-    LOGV("stopInput() input %d", input);
-    ssize_t index = mInputs.indexOfKey(input);
-    if (index < 0) {
-        LOGW("stopInput() unknow input %d", input);
-        return BAD_VALUE;
-    }
-    AudioInputDescriptor *inputDesc = mInputs.valueAt(index);
-
-    if (inputDesc->mRefCount == 0) {
-        LOGW("stopInput() input %d already stopped", input);
-        return INVALID_OPERATION;
-    } else {
-        AudioParameter param = AudioParameter();
-        param.addInt(String8(AudioParameter::keyRouting), 0);
-        mpClientInterface->setParameters(input, param.toString());
-        inputDesc->mRefCount = 0;
-        return NO_ERROR;
-    }
-}
-
-void AudioPolicyManagerBase::releaseInput(audio_io_handle_t input)
-{
-    LOGV("releaseInput() %d", input);
-    ssize_t index = mInputs.indexOfKey(input);
-    if (index < 0) {
-        LOGW("releaseInput() releasing unknown input %d", input);
-        return;
-    }
-    mpClientInterface->closeInput(input);
-    delete mInputs.valueAt(index);
-    mInputs.removeItem(input);
-    LOGV("releaseInput() exit");
-}
-
-void AudioPolicyManagerBase::initStreamVolume(AudioSystem::stream_type stream,
-                                            int indexMin,
-                                            int indexMax)
-{
-    LOGV("initStreamVolume() stream %d, min %d, max %d", stream , indexMin, indexMax);
-    if (indexMin < 0 || indexMin >= indexMax) {
-        LOGW("initStreamVolume() invalid index limits for stream %d, min %d, max %d", stream , indexMin, indexMax);
-        return;
-    }
-    mStreams[stream].mIndexMin = indexMin;
-    mStreams[stream].mIndexMax = indexMax;
-}
-
-status_t AudioPolicyManagerBase::setStreamVolumeIndex(AudioSystem::stream_type stream, int index)
-{
-
-    if ((index < mStreams[stream].mIndexMin) || (index > mStreams[stream].mIndexMax)) {
-        return BAD_VALUE;
-    }
-
-    // Force max volume if stream cannot be muted
-    if (!mStreams[stream].mCanBeMuted) index = mStreams[stream].mIndexMax;
-
-    LOGV("setStreamVolumeIndex() stream %d, index %d", stream, index);
-    mStreams[stream].mIndexCur = index;
-
-    // compute and apply stream volume on all outputs according to connected device
-    status_t status = NO_ERROR;
-    for (size_t i = 0; i < mOutputs.size(); i++) {
-        status_t volStatus = checkAndSetVolume(stream, index, mOutputs.keyAt(i), mOutputs.valueAt(i)->device());
-        if (volStatus != NO_ERROR) {
-            status = volStatus;
-        }
-    }
-    return status;
-}
-
-status_t AudioPolicyManagerBase::getStreamVolumeIndex(AudioSystem::stream_type stream, int *index)
-{
-    if (index == 0) {
-        return BAD_VALUE;
-    }
-    LOGV("getStreamVolumeIndex() stream %d", stream);
-    *index =  mStreams[stream].mIndexCur;
-    return NO_ERROR;
-}
-
-status_t AudioPolicyManagerBase::dump(int fd)
-{
-    const size_t SIZE = 256;
-    char buffer[SIZE];
-    String8 result;
-
-    snprintf(buffer, SIZE, "\nAudioPolicyManager Dump: %p\n", this);
-    result.append(buffer);
-    snprintf(buffer, SIZE, " Hardware Output: %d\n", mHardwareOutput);
-    result.append(buffer);
-#ifdef WITH_A2DP
-    snprintf(buffer, SIZE, " A2DP Output: %d\n", mA2dpOutput);
-    result.append(buffer);
-    snprintf(buffer, SIZE, " Duplicated Output: %d\n", mDuplicatedOutput);
-    result.append(buffer);
-    snprintf(buffer, SIZE, " A2DP device address: %s\n", mA2dpDeviceAddress.string());
-    result.append(buffer);
-#endif
-    snprintf(buffer, SIZE, " SCO device address: %s\n", mScoDeviceAddress.string());
-    result.append(buffer);
-    snprintf(buffer, SIZE, " Output devices: %08x\n", mAvailableOutputDevices);
-    result.append(buffer);
-    snprintf(buffer, SIZE, " Input devices: %08x\n", mAvailableInputDevices);
-    result.append(buffer);
-    snprintf(buffer, SIZE, " Phone state: %d\n", mPhoneState);
-    result.append(buffer);
-    snprintf(buffer, SIZE, " Ringer mode: %d\n", mRingerMode);
-    result.append(buffer);
-    snprintf(buffer, SIZE, " Force use for communications %d\n", mForceUse[AudioSystem::FOR_COMMUNICATION]);
-    result.append(buffer);
-    snprintf(buffer, SIZE, " Force use for media %d\n", mForceUse[AudioSystem::FOR_MEDIA]);
-    result.append(buffer);
-    snprintf(buffer, SIZE, " Force use for record %d\n", mForceUse[AudioSystem::FOR_RECORD]);
-    result.append(buffer);
-    snprintf(buffer, SIZE, " Force use for dock %d\n", mForceUse[AudioSystem::FOR_DOCK]);
-    result.append(buffer);
-    write(fd, result.string(), result.size());
-
-    snprintf(buffer, SIZE, "\nOutputs dump:\n");
-    write(fd, buffer, strlen(buffer));
-    for (size_t i = 0; i < mOutputs.size(); i++) {
-        snprintf(buffer, SIZE, "- Output %d dump:\n", mOutputs.keyAt(i));
-        write(fd, buffer, strlen(buffer));
-        mOutputs.valueAt(i)->dump(fd);
-    }
-
-    snprintf(buffer, SIZE, "\nInputs dump:\n");
-    write(fd, buffer, strlen(buffer));
-    for (size_t i = 0; i < mInputs.size(); i++) {
-        snprintf(buffer, SIZE, "- Input %d dump:\n", mInputs.keyAt(i));
-        write(fd, buffer, strlen(buffer));
-        mInputs.valueAt(i)->dump(fd);
-    }
-
-    snprintf(buffer, SIZE, "\nStreams dump:\n");
-    write(fd, buffer, strlen(buffer));
-    snprintf(buffer, SIZE, " Stream  Index Min  Index Max  Index Cur  Can be muted\n");
-    write(fd, buffer, strlen(buffer));
-    for (size_t i = 0; i < AudioSystem::NUM_STREAM_TYPES; i++) {
-        snprintf(buffer, SIZE, " %02d", i);
-        mStreams[i].dump(buffer + 3, SIZE);
-        write(fd, buffer, strlen(buffer));
-    }
-
-    return NO_ERROR;
-}
-
-// ----------------------------------------------------------------------------
-// AudioPolicyManagerBase
-// ----------------------------------------------------------------------------
-
-AudioPolicyManagerBase::AudioPolicyManagerBase(AudioPolicyClientInterface *clientInterface)
-    :
-#ifdef AUDIO_POLICY_TEST
-    Thread(false),
-#endif //AUDIO_POLICY_TEST
-    mPhoneState(AudioSystem::MODE_NORMAL), mRingerMode(0), mMusicStopTime(0), mLimitRingtoneVolume(false)
-{
-    mpClientInterface = clientInterface;
-
-    for (int i = 0; i < AudioSystem::NUM_FORCE_USE; i++) {
-        mForceUse[i] = AudioSystem::FORCE_NONE;
-    }
-
-    // devices available by default are speaker, ear piece and microphone
-    mAvailableOutputDevices = AudioSystem::DEVICE_OUT_EARPIECE |
-                        AudioSystem::DEVICE_OUT_SPEAKER;
-    mAvailableInputDevices = AudioSystem::DEVICE_IN_BUILTIN_MIC;
-
-#ifdef WITH_A2DP
-    mA2dpOutput = 0;
-    mDuplicatedOutput = 0;
-    mA2dpDeviceAddress = String8("");
-#endif
-    mScoDeviceAddress = String8("");
-
-    // open hardware output
-    AudioOutputDescriptor *outputDesc = new AudioOutputDescriptor();
-    outputDesc->mDevice = (uint32_t)AudioSystem::DEVICE_OUT_SPEAKER;
-    mHardwareOutput = mpClientInterface->openOutput(&outputDesc->mDevice,
-                                    &outputDesc->mSamplingRate,
-                                    &outputDesc->mFormat,
-                                    &outputDesc->mChannels,
-                                    &outputDesc->mLatency,
-                                    outputDesc->mFlags);
-
-    if (mHardwareOutput == 0) {
-        LOGE("Failed to initialize hardware output stream, samplingRate: %d, format %d, channels %d",
-                outputDesc->mSamplingRate, outputDesc->mFormat, outputDesc->mChannels);
-    } else {
-        addOutput(mHardwareOutput, outputDesc);
-        setOutputDevice(mHardwareOutput, (uint32_t)AudioSystem::DEVICE_OUT_SPEAKER, true);
-    }
-
-    updateDeviceForStrategy();
-#ifdef AUDIO_POLICY_TEST
-    AudioParameter outputCmd = AudioParameter();
-    outputCmd.addInt(String8("set_id"), 0);
-    mpClientInterface->setParameters(mHardwareOutput, outputCmd.toString());
-
-    mTestDevice = AudioSystem::DEVICE_OUT_SPEAKER;
-    mTestSamplingRate = 44100;
-    mTestFormat = AudioSystem::PCM_16_BIT;
-    mTestChannels =  AudioSystem::CHANNEL_OUT_STEREO;
-    mTestLatencyMs = 0;
-    mCurOutput = 0;
-    mDirectOutput = false;
-    for (int i = 0; i < NUM_TEST_OUTPUTS; i++) {
-        mTestOutputs[i] = 0;
-    }
-
-    const size_t SIZE = 256;
-    char buffer[SIZE];
-    snprintf(buffer, SIZE, "AudioPolicyManagerTest");
-    run(buffer, ANDROID_PRIORITY_AUDIO);
-#endif //AUDIO_POLICY_TEST
-}
-
-AudioPolicyManagerBase::~AudioPolicyManagerBase()
-{
-#ifdef AUDIO_POLICY_TEST
-    exit();
-#endif //AUDIO_POLICY_TEST
-   for (size_t i = 0; i < mOutputs.size(); i++) {
-        mpClientInterface->closeOutput(mOutputs.keyAt(i));
-        delete mOutputs.valueAt(i);
-   }
-   mOutputs.clear();
-   for (size_t i = 0; i < mInputs.size(); i++) {
-        mpClientInterface->closeInput(mInputs.keyAt(i));
-        delete mInputs.valueAt(i);
-   }
-   mInputs.clear();
-}
-
-#ifdef AUDIO_POLICY_TEST
-bool AudioPolicyManagerBase::threadLoop()
-{
-    LOGV("entering threadLoop()");
-    while (!exitPending())
-    {
-        String8 command;
-        int valueInt;
-        String8 value;
-
-        Mutex::Autolock _l(mLock);
-        mWaitWorkCV.waitRelative(mLock, milliseconds(50));
-
-        command = mpClientInterface->getParameters(0, String8("test_cmd_policy"));
-        AudioParameter param = AudioParameter(command);
-
-        if (param.getInt(String8("test_cmd_policy"), valueInt) == NO_ERROR &&
-            valueInt != 0) {
-            LOGV("Test command %s received", command.string());
-            String8 target;
-            if (param.get(String8("target"), target) != NO_ERROR) {
-                target = "Manager";
-            }
-            if (param.getInt(String8("test_cmd_policy_output"), valueInt) == NO_ERROR) {
-                param.remove(String8("test_cmd_policy_output"));
-                mCurOutput = valueInt;
-            }
-            if (param.get(String8("test_cmd_policy_direct"), value) == NO_ERROR) {
-                param.remove(String8("test_cmd_policy_direct"));
-                if (value == "false") {
-                    mDirectOutput = false;
-                } else if (value == "true") {
-                    mDirectOutput = true;
-                }
-            }
-            if (param.getInt(String8("test_cmd_policy_input"), valueInt) == NO_ERROR) {
-                param.remove(String8("test_cmd_policy_input"));
-                mTestInput = valueInt;
-            }
-
-            if (param.get(String8("test_cmd_policy_format"), value) == NO_ERROR) {
-                param.remove(String8("test_cmd_policy_format"));
-                int format = AudioSystem::INVALID_FORMAT;
-                if (value == "PCM 16 bits") {
-                    format = AudioSystem::PCM_16_BIT;
-                } else if (value == "PCM 8 bits") {
-                    format = AudioSystem::PCM_8_BIT;
-                } else if (value == "Compressed MP3") {
-                    format = AudioSystem::MP3;
-                }
-                if (format != AudioSystem::INVALID_FORMAT) {
-                    if (target == "Manager") {
-                        mTestFormat = format;
-                    } else if (mTestOutputs[mCurOutput] != 0) {
-                        AudioParameter outputParam = AudioParameter();
-                        outputParam.addInt(String8("format"), format);
-                        mpClientInterface->setParameters(mTestOutputs[mCurOutput], outputParam.toString());
-                    }
-                }
-            }
-            if (param.get(String8("test_cmd_policy_channels"), value) == NO_ERROR) {
-                param.remove(String8("test_cmd_policy_channels"));
-                int channels = 0;
-
-                if (value == "Channels Stereo") {
-                    channels =  AudioSystem::CHANNEL_OUT_STEREO;
-                } else if (value == "Channels Mono") {
-                    channels =  AudioSystem::CHANNEL_OUT_MONO;
-                }
-                if (channels != 0) {
-                    if (target == "Manager") {
-                        mTestChannels = channels;
-                    } else if (mTestOutputs[mCurOutput] != 0) {
-                        AudioParameter outputParam = AudioParameter();
-                        outputParam.addInt(String8("channels"), channels);
-                        mpClientInterface->setParameters(mTestOutputs[mCurOutput], outputParam.toString());
-                    }
-                }
-            }
-            if (param.getInt(String8("test_cmd_policy_sampleRate"), valueInt) == NO_ERROR) {
-                param.remove(String8("test_cmd_policy_sampleRate"));
-                if (valueInt >= 0 && valueInt <= 96000) {
-                    int samplingRate = valueInt;
-                    if (target == "Manager") {
-                        mTestSamplingRate = samplingRate;
-                    } else if (mTestOutputs[mCurOutput] != 0) {
-                        AudioParameter outputParam = AudioParameter();
-                        outputParam.addInt(String8("sampling_rate"), samplingRate);
-                        mpClientInterface->setParameters(mTestOutputs[mCurOutput], outputParam.toString());
-                    }
-                }
-            }
-
-            if (param.get(String8("test_cmd_policy_reopen"), value) == NO_ERROR) {
-                param.remove(String8("test_cmd_policy_reopen"));
-
-                mpClientInterface->closeOutput(mHardwareOutput);
-                delete mOutputs.valueFor(mHardwareOutput);
-                mOutputs.removeItem(mHardwareOutput);
-
-                AudioOutputDescriptor *outputDesc = new AudioOutputDescriptor();
-                outputDesc->mDevice = (uint32_t)AudioSystem::DEVICE_OUT_SPEAKER;
-                mHardwareOutput = mpClientInterface->openOutput(&outputDesc->mDevice,
-                                                &outputDesc->mSamplingRate,
-                                                &outputDesc->mFormat,
-                                                &outputDesc->mChannels,
-                                                &outputDesc->mLatency,
-                                                outputDesc->mFlags);
-                if (mHardwareOutput == 0) {
-                    LOGE("Failed to reopen hardware output stream, samplingRate: %d, format %d, channels %d",
-                            outputDesc->mSamplingRate, outputDesc->mFormat, outputDesc->mChannels);
-                } else {
-                    AudioParameter outputCmd = AudioParameter();
-                    outputCmd.addInt(String8("set_id"), 0);
-                    mpClientInterface->setParameters(mHardwareOutput, outputCmd.toString());
-                    addOutput(mHardwareOutput, outputDesc);
-                }
-            }
-
-
-            mpClientInterface->setParameters(0, String8("test_cmd_policy="));
-        }
-    }
-    return false;
-}
-
-void AudioPolicyManagerBase::exit()
-{
-    {
-        AutoMutex _l(mLock);
-        requestExit();
-        mWaitWorkCV.signal();
-    }
-    requestExitAndWait();
-}
-
-int AudioPolicyManagerBase::testOutputIndex(audio_io_handle_t output)
-{
-    for (int i = 0; i < NUM_TEST_OUTPUTS; i++) {
-        if (output == mTestOutputs[i]) return i;
-    }
-    return 0;
-}
-#endif //AUDIO_POLICY_TEST
-
-// ---
-
-void AudioPolicyManagerBase::addOutput(audio_io_handle_t id, AudioOutputDescriptor *outputDesc)
-{
-    outputDesc->mId = id;
-    mOutputs.add(id, outputDesc);
-}
-
-
-#ifdef WITH_A2DP
-status_t AudioPolicyManagerBase::handleA2dpConnection(AudioSystem::audio_devices device,
-                                                 const char *device_address)
-{
-    // when an A2DP device is connected, open an A2DP and a duplicated output
-    LOGV("opening A2DP output for device %s", device_address);
-    AudioOutputDescriptor *outputDesc = new AudioOutputDescriptor();
-    outputDesc->mDevice = device;
-    mA2dpOutput = mpClientInterface->openOutput(&outputDesc->mDevice,
-                                            &outputDesc->mSamplingRate,
-                                            &outputDesc->mFormat,
-                                            &outputDesc->mChannels,
-                                            &outputDesc->mLatency,
-                                            outputDesc->mFlags);
-    if (mA2dpOutput) {
-        // add A2DP output descriptor
-        addOutput(mA2dpOutput, outputDesc);
-        // set initial stream volume for A2DP device
-        applyStreamVolumes(mA2dpOutput, device);
-        if (a2dpUsedForSonification()) {
-            mDuplicatedOutput = mpClientInterface->openDuplicateOutput(mA2dpOutput, mHardwareOutput);
-        }
-        if (mDuplicatedOutput != 0 ||
-            !a2dpUsedForSonification()) {
-            // If both A2DP and duplicated outputs are open, send device address to A2DP hardware
-            // interface
-            AudioParameter param;
-            param.add(String8("a2dp_sink_address"), String8(device_address));
-            mpClientInterface->setParameters(mA2dpOutput, param.toString());
-            mA2dpDeviceAddress = String8(device_address, MAX_DEVICE_ADDRESS_LEN);
-
-            if (a2dpUsedForSonification()) {
-                // add duplicated output descriptor
-                AudioOutputDescriptor *dupOutputDesc = new AudioOutputDescriptor();
-                dupOutputDesc->mOutput1 = mOutputs.valueFor(mHardwareOutput);
-                dupOutputDesc->mOutput2 = mOutputs.valueFor(mA2dpOutput);
-                dupOutputDesc->mSamplingRate = outputDesc->mSamplingRate;
-                dupOutputDesc->mFormat = outputDesc->mFormat;
-                dupOutputDesc->mChannels = outputDesc->mChannels;
-                dupOutputDesc->mLatency = outputDesc->mLatency;
-                addOutput(mDuplicatedOutput, dupOutputDesc);
-                applyStreamVolumes(mDuplicatedOutput, device);
-            }
-        } else {
-            LOGW("getOutput() could not open duplicated output for %d and %d",
-                    mHardwareOutput, mA2dpOutput);
-            mpClientInterface->closeOutput(mA2dpOutput);
-            mOutputs.removeItem(mA2dpOutput);
-            mA2dpOutput = 0;
-            delete outputDesc;
-            return NO_INIT;
-        }
-    } else {
-        LOGW("setDeviceConnectionState() could not open A2DP output for device %x", device);
-        delete outputDesc;
-        return NO_INIT;
-    }
-    AudioOutputDescriptor *hwOutputDesc = mOutputs.valueFor(mHardwareOutput);
-
-    if (mScoDeviceAddress != "") {
-        // It is normal to suspend twice if we are both in call,
-        // and have the hardware audio output routed to BT SCO
-        if (mPhoneState != AudioSystem::MODE_NORMAL) {
-            mpClientInterface->suspendOutput(mA2dpOutput);
-        }
-        if (AudioSystem::isBluetoothScoDevice((AudioSystem::audio_devices)hwOutputDesc->device())) {
-            mpClientInterface->suspendOutput(mA2dpOutput);
-        }
-    }
-
-    if (!a2dpUsedForSonification()) {
-        // mute music on A2DP output if a notification or ringtone is playing
-        uint32_t refCount = hwOutputDesc->strategyRefCount(STRATEGY_SONIFICATION);
-        for (uint32_t i = 0; i < refCount; i++) {
-            setStrategyMute(STRATEGY_MEDIA, true, mA2dpOutput);
-        }
-    }
-    return NO_ERROR;
-}
-
-status_t AudioPolicyManagerBase::handleA2dpDisconnection(AudioSystem::audio_devices device,
-                                                    const char *device_address)
-{
-    if (mA2dpOutput == 0) {
-        LOGW("setDeviceConnectionState() disconnecting A2DP and no A2DP output!");
-        return INVALID_OPERATION;
-    }
-
-    if (mA2dpDeviceAddress != device_address) {
-        LOGW("setDeviceConnectionState() disconnecting unknow A2DP sink address %s", device_address);
-        return INVALID_OPERATION;
-    }
-
-    // mute media strategy to avoid outputting sound on hardware output while music stream
-    // is switched from A2DP output and before music is paused by music application
-    setStrategyMute(STRATEGY_MEDIA, true, mHardwareOutput);
-    setStrategyMute(STRATEGY_MEDIA, false, mHardwareOutput, MUTE_TIME_MS);
-
-    if (!a2dpUsedForSonification()) {
-        // unmute music on A2DP output if a notification or ringtone is playing
-        uint32_t refCount = mOutputs.valueFor(mHardwareOutput)->strategyRefCount(STRATEGY_SONIFICATION);
-        for (uint32_t i = 0; i < refCount; i++) {
-            setStrategyMute(STRATEGY_MEDIA, false, mA2dpOutput);
-        }
-    }
-    mA2dpDeviceAddress = "";
-    return NO_ERROR;
-}
-
-void AudioPolicyManagerBase::closeA2dpOutputs()
-{
-    LOGV("setDeviceConnectionState() closing A2DP and duplicated output!");
-
-    if (mDuplicatedOutput != 0) {
-        mpClientInterface->closeOutput(mDuplicatedOutput);
-        delete mOutputs.valueFor(mDuplicatedOutput);
-        mOutputs.removeItem(mDuplicatedOutput);
-        mDuplicatedOutput = 0;
-    }
-    if (mA2dpOutput != 0) {
-        AudioParameter param;
-        param.add(String8("closing"), String8("true"));
-        mpClientInterface->setParameters(mA2dpOutput, param.toString());
-        mpClientInterface->closeOutput(mA2dpOutput);
-        delete mOutputs.valueFor(mA2dpOutput);
-        mOutputs.removeItem(mA2dpOutput);
-        mA2dpOutput = 0;
-    }
-}
-
-void AudioPolicyManagerBase::checkOutputForStrategy(routing_strategy strategy, uint32_t &newDevice)
-{
-    uint32_t prevDevice = getDeviceForStrategy(strategy);
-    uint32_t curDevice = getDeviceForStrategy(strategy, false);
-    bool a2dpWasUsed = AudioSystem::isA2dpDevice((AudioSystem::audio_devices)(prevDevice & ~AudioSystem::DEVICE_OUT_SPEAKER));
-    bool a2dpIsUsed = AudioSystem::isA2dpDevice((AudioSystem::audio_devices)(curDevice & ~AudioSystem::DEVICE_OUT_SPEAKER));
-    AudioOutputDescriptor *hwOutputDesc = mOutputs.valueFor(mHardwareOutput);
-    AudioOutputDescriptor *a2dpOutputDesc;
-
-    if (a2dpWasUsed && !a2dpIsUsed) {
-        bool dupUsed = a2dpUsedForSonification() && a2dpWasUsed && (AudioSystem::popCount(prevDevice) == 2);
-
-        if (dupUsed) {
-            LOGV("checkOutputForStrategy() moving strategy %d to duplicated", strategy);
-            a2dpOutputDesc = mOutputs.valueFor(mDuplicatedOutput);
-        } else {
-            LOGV("checkOutputForStrategy() moving strategy %d to a2dp", strategy);
-            a2dpOutputDesc = mOutputs.valueFor(mA2dpOutput);
-        }
-
-        for (int i = 0; i < (int)AudioSystem::NUM_STREAM_TYPES; i++) {
-            if (getStrategy((AudioSystem::stream_type)i) == strategy) {
-                mpClientInterface->setStreamOutput((AudioSystem::stream_type)i, mHardwareOutput);
-                int refCount = a2dpOutputDesc->mRefCount[i];
-                // in the case of duplicated output, the ref count is first incremented
-                // and then decremented on hardware output tus keeping its value
-                hwOutputDesc->changeRefCount((AudioSystem::stream_type)i, refCount);
-                a2dpOutputDesc->changeRefCount((AudioSystem::stream_type)i,-refCount);
-            }
-        }
-        // do not change newDevice if it was already set before this call by a previous call to
-        // getNewDevice() or checkOutputForStrategy() for a strategy with higher priority
-        if (newDevice == 0 && hwOutputDesc->isUsedByStrategy(strategy)) {
-            newDevice = getDeviceForStrategy(strategy, false);
-        }
-    }
-    if (a2dpIsUsed && !a2dpWasUsed) {
-        bool dupUsed = a2dpUsedForSonification() && a2dpIsUsed && (AudioSystem::popCount(curDevice) == 2);
-        audio_io_handle_t a2dpOutput;
-
-        if (dupUsed) {
-            LOGV("checkOutputForStrategy() moving strategy %d from duplicated", strategy);
-            a2dpOutputDesc = mOutputs.valueFor(mDuplicatedOutput);
-            a2dpOutput = mDuplicatedOutput;
-        } else {
-            LOGV("checkOutputForStrategy() moving strategy %d from a2dp", strategy);
-            a2dpOutputDesc = mOutputs.valueFor(mA2dpOutput);
-            a2dpOutput = mA2dpOutput;
-        }
-
-        for (int i = 0; i < (int)AudioSystem::NUM_STREAM_TYPES; i++) {
-            if (getStrategy((AudioSystem::stream_type)i) == strategy) {
-                mpClientInterface->setStreamOutput((AudioSystem::stream_type)i, a2dpOutput);
-                int refCount = hwOutputDesc->mRefCount[i];
-                // in the case of duplicated output, the ref count is first incremented
-                // and then decremented on hardware output tus keeping its value
-                a2dpOutputDesc->changeRefCount((AudioSystem::stream_type)i, refCount);
-                hwOutputDesc->changeRefCount((AudioSystem::stream_type)i,-refCount);
-            }
-        }
-    }
-}
-
-void AudioPolicyManagerBase::checkOutputForAllStrategies(uint32_t &newDevice)
-{
-    // Check strategies in order of priority so that once newDevice is set
-    // for a given strategy it is not modified by subsequent calls to
-    // checkOutputForStrategy()
-    checkOutputForStrategy(STRATEGY_PHONE, newDevice);
-    checkOutputForStrategy(STRATEGY_SONIFICATION, newDevice);
-    checkOutputForStrategy(STRATEGY_MEDIA, newDevice);
-    checkOutputForStrategy(STRATEGY_DTMF, newDevice);
-}
-
-#endif
-
-uint32_t AudioPolicyManagerBase::getNewDevice(audio_io_handle_t output, bool fromCache)
-{
-    uint32_t device = 0;
-
-    AudioOutputDescriptor *outputDesc = mOutputs.valueFor(output);
-    // check the following by order of priority to request a routing change if necessary:
-    // 1: we are in call or the strategy phone is active on the hardware output:
-    //      use device for strategy phone
-    // 2: the strategy sonification is active on the hardware output:
-    //      use device for strategy sonification
-    // 3: the strategy media is active on the hardware output:
-    //      use device for strategy media
-    // 4: the strategy DTMF is active on the hardware output:
-    //      use device for strategy DTMF
-    if (mPhoneState == AudioSystem::MODE_IN_CALL ||
-        outputDesc->isUsedByStrategy(STRATEGY_PHONE)) {
-        device = getDeviceForStrategy(STRATEGY_PHONE, fromCache);
-    } else if (outputDesc->isUsedByStrategy(STRATEGY_SONIFICATION)) {
-        device = getDeviceForStrategy(STRATEGY_SONIFICATION, fromCache);
-    } else if (outputDesc->isUsedByStrategy(STRATEGY_MEDIA)) {
-        device = getDeviceForStrategy(STRATEGY_MEDIA, fromCache);
-    } else if (outputDesc->isUsedByStrategy(STRATEGY_DTMF)) {
-        device = getDeviceForStrategy(STRATEGY_DTMF, fromCache);
-    }
-
-    LOGV("getNewDevice() selected device %x", device);
-    return device;
-}
-
-AudioPolicyManagerBase::routing_strategy AudioPolicyManagerBase::getStrategy(AudioSystem::stream_type stream)
-{
-    // stream to strategy mapping
-    switch (stream) {
-    case AudioSystem::VOICE_CALL:
-    case AudioSystem::BLUETOOTH_SCO:
-        return STRATEGY_PHONE;
-    case AudioSystem::RING:
-    case AudioSystem::NOTIFICATION:
-    case AudioSystem::ALARM:
-    case AudioSystem::ENFORCED_AUDIBLE:
-        return STRATEGY_SONIFICATION;
-    case AudioSystem::DTMF:
-        return STRATEGY_DTMF;
-    default:
-        LOGE("unknown stream type");
-    case AudioSystem::SYSTEM:
-        // NOTE: SYSTEM stream uses MEDIA strategy because muting music and switching outputs
-        // while key clicks are played produces a poor result
-    case AudioSystem::TTS:
-    case AudioSystem::MUSIC:
-        return STRATEGY_MEDIA;
-    }
-}
-
-uint32_t AudioPolicyManagerBase::getDeviceForStrategy(routing_strategy strategy, bool fromCache)
-{
-    uint32_t device = 0;
-
-    if (fromCache) {
-        LOGV("getDeviceForStrategy() from cache strategy %d, device %x", strategy, mDeviceForStrategy[strategy]);
-        return mDeviceForStrategy[strategy];
-    }
-
-    switch (strategy) {
-    case STRATEGY_DTMF:
-        if (mPhoneState != AudioSystem::MODE_IN_CALL) {
-            // when off call, DTMF strategy follows the same rules as MEDIA strategy
-            device = getDeviceForStrategy(STRATEGY_MEDIA, false);
-            break;
-        }
-        // when in call, DTMF and PHONE strategies follow the same rules
-        // FALL THROUGH
-
-    case STRATEGY_PHONE:
-        // for phone strategy, we first consider the forced use and then the available devices by order
-        // of priority
-        switch (mForceUse[AudioSystem::FOR_COMMUNICATION]) {
-        case AudioSystem::FORCE_BT_SCO:
-            if (mPhoneState != AudioSystem::MODE_IN_CALL || strategy != STRATEGY_DTMF) {
-                device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_CARKIT;
-                if (device) break;
-            }
-            device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_HEADSET;
-            if (device) break;
-            device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_SCO;
-            if (device) break;
-            // if SCO device is requested but no SCO device is available, fall back to default case
-            // FALL THROUGH
-
-        default:    // FORCE_NONE
-            device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADPHONE;
-            if (device) break;
-            device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADSET;
-            if (device) break;
-#ifdef WITH_A2DP
-            // when not in a phone call, phone strategy should route STREAM_VOICE_CALL to A2DP
-            if (mPhoneState != AudioSystem::MODE_IN_CALL) {
-                device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP;
-                if (device) break;
-                device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES;
-                if (device) break;
-            }
-#endif
-            device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_EARPIECE;
-            if (device == 0) {
-                LOGE("getDeviceForStrategy() earpiece device not found");
-            }
-            break;
-
-        case AudioSystem::FORCE_SPEAKER:
-            if (mPhoneState != AudioSystem::MODE_IN_CALL || strategy != STRATEGY_DTMF) {
-                device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_CARKIT;
-                if (device) break;
-            }
-#ifdef WITH_A2DP
-            // when not in a phone call, phone strategy should route STREAM_VOICE_CALL to
-            // A2DP speaker when forcing to speaker output
-            if (mPhoneState != AudioSystem::MODE_IN_CALL) {
-                device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER;
-                if (device) break;
-            }
-#endif
-            device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_SPEAKER;
-            if (device == 0) {
-                LOGE("getDeviceForStrategy() speaker device not found");
-            }
-            break;
-        }
-    break;
-
-    case STRATEGY_SONIFICATION:
-
-        // If incall, just select the STRATEGY_PHONE device: The rest of the behavior is handled by
-        // handleIncallSonification().
-        if (mPhoneState == AudioSystem::MODE_IN_CALL) {
-            device = getDeviceForStrategy(STRATEGY_PHONE, false);
-            break;
-        }
-        device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_SPEAKER;
-        if (device == 0) {
-            LOGE("getDeviceForStrategy() speaker device not found");
-        }
-        // The second device used for sonification is the same as the device used by media strategy
-        // FALL THROUGH
-
-    case STRATEGY_MEDIA: {
-        uint32_t device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_AUX_DIGITAL;
-        if (device2 == 0) {
-            device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADPHONE;
-        }
-        if (device2 == 0) {
-            device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADSET;
-        }
-#ifdef WITH_A2DP
-        if (mA2dpOutput != 0) {
-            if (strategy == STRATEGY_SONIFICATION && !a2dpUsedForSonification()) {
-                break;
-            }
-            if (device2 == 0) {
-                device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP;
-            }
-            if (device2 == 0) {
-                device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES;
-            }
-            if (device2 == 0) {
-                device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER;
-            }
-        }
-#endif
-        if (device2 == 0) {
-            device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_SPEAKER;
-        }
-
-        // device is DEVICE_OUT_SPEAKER if we come from case STRATEGY_SONIFICATION, 0 otherwise
-        device |= device2;
-        if (device == 0) {
-            LOGE("getDeviceForStrategy() speaker device not found");
-        }
-        } break;
-
-    default:
-        LOGW("getDeviceForStrategy() unknown strategy: %d", strategy);
-        break;
-    }
-
-    LOGV("getDeviceForStrategy() strategy %d, device %x", strategy, device);
-    return device;
-}
-
-void AudioPolicyManagerBase::updateDeviceForStrategy()
-{
-    for (int i = 0; i < NUM_STRATEGIES; i++) {
-        mDeviceForStrategy[i] = getDeviceForStrategy((routing_strategy)i, false);
-    }
-}
-
-void AudioPolicyManagerBase::setOutputDevice(audio_io_handle_t output, uint32_t device, bool force, int delayMs)
-{
-    LOGV("setOutputDevice() output %d device %x delayMs %d", output, device, delayMs);
-    AudioOutputDescriptor *outputDesc = mOutputs.valueFor(output);
-
-
-    if (outputDesc->isDuplicated()) {
-        setOutputDevice(outputDesc->mOutput1->mId, device, force, delayMs);
-        setOutputDevice(outputDesc->mOutput2->mId, device, force, delayMs);
-        return;
-    }
-#ifdef WITH_A2DP
-    // filter devices according to output selected
-    if (output == mA2dpOutput) {
-        device &= AudioSystem::DEVICE_OUT_ALL_A2DP;
-    } else {
-        device &= ~AudioSystem::DEVICE_OUT_ALL_A2DP;
-    }
-#endif
-
-    uint32_t prevDevice = (uint32_t)outputDesc->device();
-    // Do not change the routing if:
-    //  - the requestede device is 0
-    //  - the requested device is the same as current device and force is not specified.
-    // Doing this check here allows the caller to call setOutputDevice() without conditions
-    if ((device == 0 || device == prevDevice) && !force) {
-        LOGV("setOutputDevice() setting same device %x or null device for output %d", device, output);
-        return;
-    }
-
-    outputDesc->mDevice = device;
-    // mute media streams if both speaker and headset are selected
-    if (output == mHardwareOutput && AudioSystem::popCount(device) == 2) {
-        setStrategyMute(STRATEGY_MEDIA, true, output);
-        // wait for the PCM output buffers to empty before proceeding with the rest of the command
-        usleep(outputDesc->mLatency*2*1000);
-    }
-#ifdef WITH_A2DP
-    // suspend A2DP output if SCO device is selected
-    if (AudioSystem::isBluetoothScoDevice((AudioSystem::audio_devices)device)) {
-         if (mA2dpOutput != 0) {
-             mpClientInterface->suspendOutput(mA2dpOutput);
-         }
-    }
-#endif
-    // do the routing
-    AudioParameter param = AudioParameter();
-    param.addInt(String8(AudioParameter::keyRouting), (int)device);
-    mpClientInterface->setParameters(mHardwareOutput, param.toString(), delayMs);
-    // update stream volumes according to new device
-    applyStreamVolumes(output, device, delayMs);
-
-#ifdef WITH_A2DP
-    // if disconnecting SCO device, restore A2DP output
-    if (AudioSystem::isBluetoothScoDevice((AudioSystem::audio_devices)prevDevice)) {
-         if (mA2dpOutput != 0) {
-             LOGV("restore A2DP output");
-             mpClientInterface->restoreOutput(mA2dpOutput);
-         }
-    }
-#endif
-    // if changing from a combined headset + speaker route, unmute media streams
-    if (output == mHardwareOutput && AudioSystem::popCount(prevDevice) == 2) {
-        setStrategyMute(STRATEGY_MEDIA, false, output, delayMs);
-    }
-}
-
-uint32_t AudioPolicyManagerBase::getDeviceForInputSource(int inputSource)
-{
-    uint32_t device;
-
-    switch(inputSource) {
-    case AUDIO_SOURCE_DEFAULT:
-    case AUDIO_SOURCE_MIC:
-    case AUDIO_SOURCE_VOICE_RECOGNITION:
-        if (mForceUse[AudioSystem::FOR_RECORD] == AudioSystem::FORCE_BT_SCO &&
-            mAvailableInputDevices & AudioSystem::DEVICE_IN_BLUETOOTH_SCO_HEADSET) {
-            device = AudioSystem::DEVICE_IN_BLUETOOTH_SCO_HEADSET;
-        } else if (mAvailableInputDevices & AudioSystem::DEVICE_IN_WIRED_HEADSET) {
-            device = AudioSystem::DEVICE_IN_WIRED_HEADSET;
-        } else {
-            device = AudioSystem::DEVICE_IN_BUILTIN_MIC;
-        }
-        break;
-    case AUDIO_SOURCE_CAMCORDER:
-        if (hasBackMicrophone()) {
-            device = AudioSystem::DEVICE_IN_BACK_MIC;
-        } else {
-            device = AudioSystem::DEVICE_IN_BUILTIN_MIC;
-        }
-        break;
-    case AUDIO_SOURCE_VOICE_UPLINK:
-    case AUDIO_SOURCE_VOICE_DOWNLINK:
-    case AUDIO_SOURCE_VOICE_CALL:
-        device = AudioSystem::DEVICE_IN_VOICE_CALL;
-        break;
-    default:
-        LOGW("getInput() invalid input source %d", inputSource);
-        device = 0;
-        break;
-    }
-    LOGV("getDeviceForInputSource()input source %d, device %08x", inputSource, device);
-    return device;
-}
-
-audio_io_handle_t AudioPolicyManagerBase::getActiveInput()
-{
-    for (size_t i = 0; i < mInputs.size(); i++) {
-        if (mInputs.valueAt(i)->mRefCount > 0) {
-            return mInputs.keyAt(i);
-        }
-    }
-    return 0;
-}
-
-float AudioPolicyManagerBase::computeVolume(int stream, int index, audio_io_handle_t output, uint32_t device)
-{
-    float volume = 1.0;
-    AudioOutputDescriptor *outputDesc = mOutputs.valueFor(output);
-    StreamDescriptor &streamDesc = mStreams[stream];
-
-    if (device == 0) {
-        device = outputDesc->device();
-    }
-
-    int volInt = (100 * (index - streamDesc.mIndexMin)) / (streamDesc.mIndexMax - streamDesc.mIndexMin);
-    volume = AudioSystem::linearToLog(volInt);
-
-    // if a headset is connected, apply the following rules to ring tones and notifications
-    // to avoid sound level bursts in user's ears:
-    // - always attenuate ring tones and notifications volume by 6dB
-    // - if music is playing, always limit the volume to current music volume,
-    // with a minimum threshold at -36dB so that notification is always perceived.
-    if ((device &
-        (AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP |
-        AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES |
-        AudioSystem::DEVICE_OUT_WIRED_HEADSET |
-        AudioSystem::DEVICE_OUT_WIRED_HEADPHONE)) &&
-        (getStrategy((AudioSystem::stream_type)stream) == STRATEGY_SONIFICATION) &&
-        streamDesc.mCanBeMuted) {
-        volume *= SONIFICATION_HEADSET_VOLUME_FACTOR;
-        // when the phone is ringing we must consider that music could have been paused just before
-        // by the music application and behave as if music was active if the last music track was
-        // just stopped
-        if (outputDesc->mRefCount[AudioSystem::MUSIC] || mLimitRingtoneVolume) {
-            float musicVol = computeVolume(AudioSystem::MUSIC, mStreams[AudioSystem::MUSIC].mIndexCur, output, device);
-            float minVol = (musicVol > SONIFICATION_HEADSET_VOLUME_MIN) ? musicVol : SONIFICATION_HEADSET_VOLUME_MIN;
-            if (volume > minVol) {
-                volume = minVol;
-                LOGV("computeVolume limiting volume to %f musicVol %f", minVol, musicVol);
-            }
-        }
-    }
-
-    return volume;
-}
-
-status_t AudioPolicyManagerBase::checkAndSetVolume(int stream, int index, audio_io_handle_t output, uint32_t device, int delayMs, bool force)
-{
-
-    // do not change actual stream volume if the stream is muted
-    if (mOutputs.valueFor(output)->mMuteCount[stream] != 0) {
-        LOGV("checkAndSetVolume() stream %d muted count %d", stream, mOutputs.valueFor(output)->mMuteCount[stream]);
-        return NO_ERROR;
-    }
-
-    // do not change in call volume if bluetooth is connected and vice versa
-    if ((stream == AudioSystem::VOICE_CALL && mForceUse[AudioSystem::FOR_COMMUNICATION] == AudioSystem::FORCE_BT_SCO) ||
-        (stream == AudioSystem::BLUETOOTH_SCO && mForceUse[AudioSystem::FOR_COMMUNICATION] != AudioSystem::FORCE_BT_SCO)) {
-        LOGV("checkAndSetVolume() cannot set stream %d volume with force use = %d for comm",
-             stream, mForceUse[AudioSystem::FOR_COMMUNICATION]);
-        return INVALID_OPERATION;
-    }
-
-    float volume = computeVolume(stream, index, output, device);
-    // do not set volume if the float value did not change
-    if (volume != mOutputs.valueFor(output)->mCurVolume[stream] || force) {
-        mOutputs.valueFor(output)->mCurVolume[stream] = volume;
-        LOGV("setStreamVolume() for output %d stream %d, volume %f, delay %d", output, stream, volume, delayMs);
-        if (stream == AudioSystem::VOICE_CALL ||
-            stream == AudioSystem::DTMF ||
-            stream == AudioSystem::BLUETOOTH_SCO) {
-            float voiceVolume = -1.0;
-            // offset value to reflect actual hardware volume that never reaches 0
-            // 1% corresponds roughly to first step in VOICE_CALL stream volume setting (see AudioService.java)
-            volume = 0.01 + 0.99 * volume;
-            if (stream == AudioSystem::VOICE_CALL) {
-                voiceVolume = (float)index/(float)mStreams[stream].mIndexMax;
-            } else if (stream == AudioSystem::BLUETOOTH_SCO) {
-                voiceVolume = 1.0;
-            }
-            if (voiceVolume >= 0 && output == mHardwareOutput) {
-                mpClientInterface->setVoiceVolume(voiceVolume, delayMs);
-            }
-        }
-        mpClientInterface->setStreamVolume((AudioSystem::stream_type)stream, volume, output, delayMs);
-    }
-
-    return NO_ERROR;
-}
-
-void AudioPolicyManagerBase::applyStreamVolumes(audio_io_handle_t output, uint32_t device, int delayMs)
-{
-    LOGV("applyStreamVolumes() for output %d and device %x", output, device);
-
-    for (int stream = 0; stream < AudioSystem::NUM_STREAM_TYPES; stream++) {
-        checkAndSetVolume(stream, mStreams[stream].mIndexCur, output, device, delayMs);
-    }
-}
-
-void AudioPolicyManagerBase::setStrategyMute(routing_strategy strategy, bool on, audio_io_handle_t output, int delayMs)
-{
-    LOGV("setStrategyMute() strategy %d, mute %d, output %d", strategy, on, output);
-    for (int stream = 0; stream < AudioSystem::NUM_STREAM_TYPES; stream++) {
-        if (getStrategy((AudioSystem::stream_type)stream) == strategy) {
-            setStreamMute(stream, on, output, delayMs);
-        }
-    }
-}
-
-void AudioPolicyManagerBase::setStreamMute(int stream, bool on, audio_io_handle_t output, int delayMs)
-{
-    StreamDescriptor &streamDesc = mStreams[stream];
-    AudioOutputDescriptor *outputDesc = mOutputs.valueFor(output);
-
-    LOGV("setStreamMute() stream %d, mute %d, output %d, mMuteCount %d", stream, on, output, outputDesc->mMuteCount[stream]);
-
-    if (on) {
-        if (outputDesc->mMuteCount[stream] == 0) {
-            if (streamDesc.mCanBeMuted) {
-                checkAndSetVolume(stream, 0, output, outputDesc->device(), delayMs);
-            }
-        }
-        // increment mMuteCount after calling checkAndSetVolume() so that volume change is not ignored
-        outputDesc->mMuteCount[stream]++;
-    } else {
-        if (outputDesc->mMuteCount[stream] == 0) {
-            LOGW("setStreamMute() unmuting non muted stream!");
-            return;
-        }
-        if (--outputDesc->mMuteCount[stream] == 0) {
-            checkAndSetVolume(stream, streamDesc.mIndexCur, output, outputDesc->device(), delayMs);
-        }
-    }
-}
-
-void AudioPolicyManagerBase::handleIncallSonification(int stream, bool starting, bool stateChange)
-{
-    // if the stream pertains to sonification strategy and we are in call we must
-    // mute the stream if it is low visibility. If it is high visibility, we must play a tone
-    // in the device used for phone strategy and play the tone if the selected device does not
-    // interfere with the device used for phone strategy
-    // if stateChange is true, we are called from setPhoneState() and we must mute or unmute as
-    // many times as there are active tracks on the output
-
-    if (getStrategy((AudioSystem::stream_type)stream) == STRATEGY_SONIFICATION) {
-        AudioOutputDescriptor *outputDesc = mOutputs.valueFor(mHardwareOutput);
-        LOGV("handleIncallSonification() stream %d starting %d device %x stateChange %d",
-                stream, starting, outputDesc->mDevice, stateChange);
-        if (outputDesc->mRefCount[stream]) {
-            int muteCount = 1;
-            if (stateChange) {
-                muteCount = outputDesc->mRefCount[stream];
-            }
-            if (AudioSystem::isLowVisibility((AudioSystem::stream_type)stream)) {
-                LOGV("handleIncallSonification() low visibility, muteCount %d", muteCount);
-                for (int i = 0; i < muteCount; i++) {
-                    setStreamMute(stream, starting, mHardwareOutput);
-                }
-            } else {
-                LOGV("handleIncallSonification() high visibility");
-                if (outputDesc->device() & getDeviceForStrategy(STRATEGY_PHONE)) {
-                    LOGV("handleIncallSonification() high visibility muted, muteCount %d", muteCount);
-                    for (int i = 0; i < muteCount; i++) {
-                        setStreamMute(stream, starting, mHardwareOutput);
-                    }
-                }
-                if (starting) {
-                    mpClientInterface->startTone(ToneGenerator::TONE_SUP_CALL_WAITING, AudioSystem::VOICE_CALL);
-                } else {
-                    mpClientInterface->stopTone();
-                }
-            }
-        }
-    }
-}
-
-bool AudioPolicyManagerBase::needsDirectOuput(AudioSystem::stream_type stream,
-                                    uint32_t samplingRate,
-                                    uint32_t format,
-                                    uint32_t channels,
-                                    AudioSystem::output_flags flags,
-                                    uint32_t device)
-{
-   return ((flags & AudioSystem::OUTPUT_FLAG_DIRECT) ||
-          (format !=0 && !AudioSystem::isLinearPCM(format)));
-}
-
-// --- AudioOutputDescriptor class implementation
-
-AudioPolicyManagerBase::AudioOutputDescriptor::AudioOutputDescriptor()
-    : mId(0), mSamplingRate(0), mFormat(0), mChannels(0), mLatency(0),
-    mFlags((AudioSystem::output_flags)0), mDevice(0), mOutput1(0), mOutput2(0)
-{
-    // clear usage count for all stream types
-    for (int i = 0; i < AudioSystem::NUM_STREAM_TYPES; i++) {
-        mRefCount[i] = 0;
-        mCurVolume[i] = -1.0;
-        mMuteCount[i] = 0;
-    }
-}
-
-uint32_t AudioPolicyManagerBase::AudioOutputDescriptor::device()
-{
-    uint32_t device = 0;
-    if (isDuplicated()) {
-        device = mOutput1->mDevice | mOutput2->mDevice;
-    } else {
-        device = mDevice;
-    }
-    return device;
-}
-
-void AudioPolicyManagerBase::AudioOutputDescriptor::changeRefCount(AudioSystem::stream_type stream, int delta)
-{
-    // forward usage count change to attached outputs
-    if (isDuplicated()) {
-        mOutput1->changeRefCount(stream, delta);
-        mOutput2->changeRefCount(stream, delta);
-    }
-    if ((delta + (int)mRefCount[stream]) < 0) {
-        LOGW("changeRefCount() invalid delta %d for stream %d, refCount %d", delta, stream, mRefCount[stream]);
-        mRefCount[stream] = 0;
-        return;
-    }
-    mRefCount[stream] += delta;
-    LOGV("changeRefCount() stream %d, count %d", stream, mRefCount[stream]);
-}
-
-uint32_t AudioPolicyManagerBase::AudioOutputDescriptor::refCount()
-{
-    uint32_t refcount = 0;
-    for (int i = 0; i < (int)AudioSystem::NUM_STREAM_TYPES; i++) {
-        refcount += mRefCount[i];
-    }
-    return refcount;
-}
-
-uint32_t AudioPolicyManagerBase::AudioOutputDescriptor::strategyRefCount(routing_strategy strategy)
-{
-    uint32_t refCount = 0;
-    for (int i = 0; i < (int)AudioSystem::NUM_STREAM_TYPES; i++) {
-        if (getStrategy((AudioSystem::stream_type)i) == strategy) {
-            refCount += mRefCount[i];
-        }
-    }
-    return refCount;
-}
-
-
-status_t AudioPolicyManagerBase::AudioOutputDescriptor::dump(int fd)
-{
-    const size_t SIZE = 256;
-    char buffer[SIZE];
-    String8 result;
-
-    snprintf(buffer, SIZE, " Sampling rate: %d\n", mSamplingRate);
-    result.append(buffer);
-    snprintf(buffer, SIZE, " Format: %d\n", mFormat);
-    result.append(buffer);
-    snprintf(buffer, SIZE, " Channels: %08x\n", mChannels);
-    result.append(buffer);
-    snprintf(buffer, SIZE, " Latency: %d\n", mLatency);
-    result.append(buffer);
-    snprintf(buffer, SIZE, " Flags %08x\n", mFlags);
-    result.append(buffer);
-    snprintf(buffer, SIZE, " Devices %08x\n", device());
-    result.append(buffer);
-    snprintf(buffer, SIZE, " Stream volume refCount muteCount\n");
-    result.append(buffer);
-    for (int i = 0; i < AudioSystem::NUM_STREAM_TYPES; i++) {
-        snprintf(buffer, SIZE, " %02d     %.03f     %02d       %02d\n", i, mCurVolume[i], mRefCount[i], mMuteCount[i]);
-        result.append(buffer);
-    }
-    write(fd, result.string(), result.size());
-
-    return NO_ERROR;
-}
-
-// --- AudioInputDescriptor class implementation
-
-AudioPolicyManagerBase::AudioInputDescriptor::AudioInputDescriptor()
-    : mSamplingRate(0), mFormat(0), mChannels(0),
-     mAcoustics((AudioSystem::audio_in_acoustics)0), mDevice(0), mRefCount(0)
-{
-}
-
-status_t AudioPolicyManagerBase::AudioInputDescriptor::dump(int fd)
-{
-    const size_t SIZE = 256;
-    char buffer[SIZE];
-    String8 result;
-
-    snprintf(buffer, SIZE, " Sampling rate: %d\n", mSamplingRate);
-    result.append(buffer);
-    snprintf(buffer, SIZE, " Format: %d\n", mFormat);
-    result.append(buffer);
-    snprintf(buffer, SIZE, " Channels: %08x\n", mChannels);
-    result.append(buffer);
-    snprintf(buffer, SIZE, " Acoustics %08x\n", mAcoustics);
-    result.append(buffer);
-    snprintf(buffer, SIZE, " Devices %08x\n", mDevice);
-    result.append(buffer);
-    snprintf(buffer, SIZE, " Ref Count %d\n", mRefCount);
-    result.append(buffer);
-    write(fd, result.string(), result.size());
-
-    return NO_ERROR;
-}
-
-// --- StreamDescriptor class implementation
-
-void AudioPolicyManagerBase::StreamDescriptor::dump(char* buffer, size_t size)
-{
-    snprintf(buffer, size, "      %02d         %02d         %02d         %d\n",
-            mIndexMin,
-            mIndexMax,
-            mIndexCur,
-            mCanBeMuted);
-}
-
-
-}; // namespace android
diff --git a/libs/audioflinger/AudioPolicyService.cpp b/libs/audioflinger/AudioPolicyService.cpp
deleted file mode 100644
index bb3905c..0000000
--- a/libs/audioflinger/AudioPolicyService.cpp
+++ /dev/null
@@ -1,924 +0,0 @@
-/*
- * Copyright (C) 2009 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "AudioPolicyService"
-//#define LOG_NDEBUG 0
-
-#undef __STRICT_ANSI__
-#define __STDINT_LIMITS
-#define __STDC_LIMIT_MACROS
-#include <stdint.h>
-
-#include <sys/time.h>
-#include <binder/IServiceManager.h>
-#include <utils/Log.h>
-#include <cutils/properties.h>
-#include <binder/IPCThreadState.h>
-#include <utils/String16.h>
-#include <utils/threads.h>
-#include "AudioPolicyService.h"
-#include <hardware_legacy/AudioPolicyManagerBase.h>
-#include <cutils/properties.h>
-#include <dlfcn.h>
-#include <hardware_legacy/power.h>
-
-// ----------------------------------------------------------------------------
-// the sim build doesn't have gettid
-
-#ifndef HAVE_GETTID
-# define gettid getpid
-#endif
-
-namespace android {
-
-
-static const char *kDeadlockedString = "AudioPolicyService may be deadlocked\n";
-static const char *kCmdDeadlockedString = "AudioPolicyService command thread may be deadlocked\n";
-
-static const int kDumpLockRetries = 50;
-static const int kDumpLockSleep = 20000;
-
-static bool checkPermission() {
-#ifndef HAVE_ANDROID_OS
-    return true;
-#endif
-    if (getpid() == IPCThreadState::self()->getCallingPid()) return true;
-    bool ok = checkCallingPermission(String16("android.permission.MODIFY_AUDIO_SETTINGS"));
-    if (!ok) LOGE("Request requires android.permission.MODIFY_AUDIO_SETTINGS");
-    return ok;
-}
-
-// ----------------------------------------------------------------------------
-
-AudioPolicyService::AudioPolicyService()
-    : BnAudioPolicyService() , mpPolicyManager(NULL)
-{
-    char value[PROPERTY_VALUE_MAX];
-
-    // start tone playback thread
-    mTonePlaybackThread = new AudioCommandThread(String8(""));
-    // start audio commands thread
-    mAudioCommandThread = new AudioCommandThread(String8("ApmCommandThread"));
-
-#if (defined GENERIC_AUDIO) || (defined AUDIO_POLICY_TEST)
-    mpPolicyManager = new AudioPolicyManagerBase(this);
-    LOGV("build for GENERIC_AUDIO - using generic audio policy");
-#else
-    // if running in emulation - use the emulator driver
-    if (property_get("ro.kernel.qemu", value, 0)) {
-        LOGV("Running in emulation - using generic audio policy");
-        mpPolicyManager = new AudioPolicyManagerBase(this);
-    }
-    else {
-        LOGV("Using hardware specific audio policy");
-        mpPolicyManager = createAudioPolicyManager(this);
-    }
-#endif
-
-    // load properties
-    property_get("ro.camera.sound.forced", value, "0");
-    mpPolicyManager->setSystemProperty("ro.camera.sound.forced", value);
-}
-
-AudioPolicyService::~AudioPolicyService()
-{
-    mTonePlaybackThread->exit();
-    mTonePlaybackThread.clear();
-    mAudioCommandThread->exit();
-    mAudioCommandThread.clear();
-
-    if (mpPolicyManager) {
-        delete mpPolicyManager;
-    }
-}
-
-
-status_t AudioPolicyService::setDeviceConnectionState(AudioSystem::audio_devices device,
-                                                  AudioSystem::device_connection_state state,
-                                                  const char *device_address)
-{
-    if (mpPolicyManager == NULL) {
-        return NO_INIT;
-    }
-    if (!checkPermission()) {
-        return PERMISSION_DENIED;
-    }
-    if (!AudioSystem::isOutputDevice(device) && !AudioSystem::isInputDevice(device)) {
-        return BAD_VALUE;
-    }
-    if (state != AudioSystem::DEVICE_STATE_AVAILABLE && state != AudioSystem::DEVICE_STATE_UNAVAILABLE) {
-        return BAD_VALUE;
-    }
-
-    LOGV("setDeviceConnectionState() tid %d", gettid());
-    Mutex::Autolock _l(mLock);
-    return mpPolicyManager->setDeviceConnectionState(device, state, device_address);
-}
-
-AudioSystem::device_connection_state AudioPolicyService::getDeviceConnectionState(AudioSystem::audio_devices device,
-                                                  const char *device_address)
-{
-    if (mpPolicyManager == NULL) {
-        return AudioSystem::DEVICE_STATE_UNAVAILABLE;
-    }
-    if (!checkPermission()) {
-        return AudioSystem::DEVICE_STATE_UNAVAILABLE;
-    }
-    return mpPolicyManager->getDeviceConnectionState(device, device_address);
-}
-
-status_t AudioPolicyService::setPhoneState(int state)
-{
-    if (mpPolicyManager == NULL) {
-        return NO_INIT;
-    }
-    if (!checkPermission()) {
-        return PERMISSION_DENIED;
-    }
-    if (state < 0 || state >= AudioSystem::NUM_MODES) {
-        return BAD_VALUE;
-    }
-
-    LOGV("setPhoneState() tid %d", gettid());
-
-    // TODO: check if it is more appropriate to do it in platform specific policy manager
-    AudioSystem::setMode(state);
-
-    Mutex::Autolock _l(mLock);
-    mpPolicyManager->setPhoneState(state);
-    return NO_ERROR;
-}
-
-status_t AudioPolicyService::setRingerMode(uint32_t mode, uint32_t mask)
-{
-    if (mpPolicyManager == NULL) {
-        return NO_INIT;
-    }
-    if (!checkPermission()) {
-        return PERMISSION_DENIED;
-    }
-
-    mpPolicyManager->setRingerMode(mode, mask);
-    return NO_ERROR;
-}
-
-status_t AudioPolicyService::setForceUse(AudioSystem::force_use usage, AudioSystem::forced_config config)
-{
-    if (mpPolicyManager == NULL) {
-        return NO_INIT;
-    }
-    if (!checkPermission()) {
-        return PERMISSION_DENIED;
-    }
-    if (usage < 0 || usage >= AudioSystem::NUM_FORCE_USE) {
-        return BAD_VALUE;
-    }
-    if (config < 0 || config >= AudioSystem::NUM_FORCE_CONFIG) {
-        return BAD_VALUE;
-    }
-    LOGV("setForceUse() tid %d", gettid());
-    Mutex::Autolock _l(mLock);
-    mpPolicyManager->setForceUse(usage, config);
-    return NO_ERROR;
-}
-
-AudioSystem::forced_config AudioPolicyService::getForceUse(AudioSystem::force_use usage)
-{
-    if (mpPolicyManager == NULL) {
-        return AudioSystem::FORCE_NONE;
-    }
-    if (!checkPermission()) {
-        return AudioSystem::FORCE_NONE;
-    }
-    if (usage < 0 || usage >= AudioSystem::NUM_FORCE_USE) {
-        return AudioSystem::FORCE_NONE;
-    }
-    return mpPolicyManager->getForceUse(usage);
-}
-
-audio_io_handle_t AudioPolicyService::getOutput(AudioSystem::stream_type stream,
-                                    uint32_t samplingRate,
-                                    uint32_t format,
-                                    uint32_t channels,
-                                    AudioSystem::output_flags flags)
-{
-    if (mpPolicyManager == NULL) {
-        return 0;
-    }
-    LOGV("getOutput() tid %d", gettid());
-    Mutex::Autolock _l(mLock);
-    return mpPolicyManager->getOutput(stream, samplingRate, format, channels, flags);
-}
-
-status_t AudioPolicyService::startOutput(audio_io_handle_t output, AudioSystem::stream_type stream)
-{
-    if (mpPolicyManager == NULL) {
-        return NO_INIT;
-    }
-    LOGV("startOutput() tid %d", gettid());
-    Mutex::Autolock _l(mLock);
-    return mpPolicyManager->startOutput(output, stream);
-}
-
-status_t AudioPolicyService::stopOutput(audio_io_handle_t output, AudioSystem::stream_type stream)
-{
-    if (mpPolicyManager == NULL) {
-        return NO_INIT;
-    }
-    LOGV("stopOutput() tid %d", gettid());
-    Mutex::Autolock _l(mLock);
-    return mpPolicyManager->stopOutput(output, stream);
-}
-
-void AudioPolicyService::releaseOutput(audio_io_handle_t output)
-{
-    if (mpPolicyManager == NULL) {
-        return;
-    }
-    LOGV("releaseOutput() tid %d", gettid());
-    Mutex::Autolock _l(mLock);
-    mpPolicyManager->releaseOutput(output);
-}
-
-audio_io_handle_t AudioPolicyService::getInput(int inputSource,
-                                    uint32_t samplingRate,
-                                    uint32_t format,
-                                    uint32_t channels,
-                                    AudioSystem::audio_in_acoustics acoustics)
-{
-    if (mpPolicyManager == NULL) {
-        return 0;
-    }
-    Mutex::Autolock _l(mLock);
-    return mpPolicyManager->getInput(inputSource, samplingRate, format, channels, acoustics);
-}
-
-status_t AudioPolicyService::startInput(audio_io_handle_t input)
-{
-    if (mpPolicyManager == NULL) {
-        return NO_INIT;
-    }
-    Mutex::Autolock _l(mLock);
-    return mpPolicyManager->startInput(input);
-}
-
-status_t AudioPolicyService::stopInput(audio_io_handle_t input)
-{
-    if (mpPolicyManager == NULL) {
-        return NO_INIT;
-    }
-    Mutex::Autolock _l(mLock);
-    return mpPolicyManager->stopInput(input);
-}
-
-void AudioPolicyService::releaseInput(audio_io_handle_t input)
-{
-    if (mpPolicyManager == NULL) {
-        return;
-    }
-    Mutex::Autolock _l(mLock);
-    mpPolicyManager->releaseInput(input);
-}
-
-status_t AudioPolicyService::initStreamVolume(AudioSystem::stream_type stream,
-                                            int indexMin,
-                                            int indexMax)
-{
-    if (mpPolicyManager == NULL) {
-        return NO_INIT;
-    }
-    if (!checkPermission()) {
-        return PERMISSION_DENIED;
-    }
-    if (stream < 0 || stream >= AudioSystem::NUM_STREAM_TYPES) {
-        return BAD_VALUE;
-    }
-    mpPolicyManager->initStreamVolume(stream, indexMin, indexMax);
-    return NO_ERROR;
-}
-
-status_t AudioPolicyService::setStreamVolumeIndex(AudioSystem::stream_type stream, int index)
-{
-    if (mpPolicyManager == NULL) {
-        return NO_INIT;
-    }
-    if (!checkPermission()) {
-        return PERMISSION_DENIED;
-    }
-    if (stream < 0 || stream >= AudioSystem::NUM_STREAM_TYPES) {
-        return BAD_VALUE;
-    }
-
-    return mpPolicyManager->setStreamVolumeIndex(stream, index);
-}
-
-status_t AudioPolicyService::getStreamVolumeIndex(AudioSystem::stream_type stream, int *index)
-{
-    if (mpPolicyManager == NULL) {
-        return NO_INIT;
-    }
-    if (!checkPermission()) {
-        return PERMISSION_DENIED;
-    }
-    if (stream < 0 || stream >= AudioSystem::NUM_STREAM_TYPES) {
-        return BAD_VALUE;
-    }
-    return mpPolicyManager->getStreamVolumeIndex(stream, index);
-}
-
-void AudioPolicyService::binderDied(const wp<IBinder>& who) {
-    LOGW("binderDied() %p, tid %d, calling tid %d", who.unsafe_get(), gettid(), IPCThreadState::self()->getCallingPid());
-}
-
-static bool tryLock(Mutex& mutex)
-{
-    bool locked = false;
-    for (int i = 0; i < kDumpLockRetries; ++i) {
-        if (mutex.tryLock() == NO_ERROR) {
-            locked = true;
-            break;
-        }
-        usleep(kDumpLockSleep);
-    }
-    return locked;
-}
-
-status_t AudioPolicyService::dumpInternals(int fd)
-{
-    const size_t SIZE = 256;
-    char buffer[SIZE];
-    String8 result;
-
-    snprintf(buffer, SIZE, "PolicyManager Interface: %p\n", mpPolicyManager);
-    result.append(buffer);
-    snprintf(buffer, SIZE, "Command Thread: %p\n", mAudioCommandThread.get());
-    result.append(buffer);
-    snprintf(buffer, SIZE, "Tones Thread: %p\n", mTonePlaybackThread.get());
-    result.append(buffer);
-
-    write(fd, result.string(), result.size());
-    return NO_ERROR;
-}
-
-status_t AudioPolicyService::dump(int fd, const Vector<String16>& args)
-{
-    if (checkCallingPermission(String16("android.permission.DUMP")) == false) {
-        dumpPermissionDenial(fd);
-    } else {
-        bool locked = tryLock(mLock);
-        if (!locked) {
-            String8 result(kDeadlockedString);
-            write(fd, result.string(), result.size());
-        }
-
-        dumpInternals(fd);
-        if (mAudioCommandThread != NULL) {
-            mAudioCommandThread->dump(fd);
-        }
-        if (mTonePlaybackThread != NULL) {
-            mTonePlaybackThread->dump(fd);
-        }
-
-        if (mpPolicyManager) {
-            mpPolicyManager->dump(fd);
-        }
-
-        if (locked) mLock.unlock();
-    }
-    return NO_ERROR;
-}
-
-status_t AudioPolicyService::dumpPermissionDenial(int fd)
-{
-    const size_t SIZE = 256;
-    char buffer[SIZE];
-    String8 result;
-    snprintf(buffer, SIZE, "Permission Denial: "
-            "can't dump AudioPolicyService from pid=%d, uid=%d\n",
-            IPCThreadState::self()->getCallingPid(),
-            IPCThreadState::self()->getCallingUid());
-    result.append(buffer);
-    write(fd, result.string(), result.size());
-    return NO_ERROR;
-}
-
-status_t AudioPolicyService::onTransact(
-        uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
-{
-    return BnAudioPolicyService::onTransact(code, data, reply, flags);
-}
-
-
-// ----------------------------------------------------------------------------
-void AudioPolicyService::instantiate() {
-    defaultServiceManager()->addService(
-            String16("media.audio_policy"), new AudioPolicyService());
-}
-
-
-// ----------------------------------------------------------------------------
-// AudioPolicyClientInterface implementation
-// ----------------------------------------------------------------------------
-
-
-audio_io_handle_t AudioPolicyService::openOutput(uint32_t *pDevices,
-                                uint32_t *pSamplingRate,
-                                uint32_t *pFormat,
-                                uint32_t *pChannels,
-                                uint32_t *pLatencyMs,
-                                AudioSystem::output_flags flags)
-{
-    sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
-    if (af == 0) {
-        LOGW("openOutput() could not get AudioFlinger");
-        return 0;
-    }
-
-    return af->openOutput(pDevices, pSamplingRate, (uint32_t *)pFormat, pChannels, pLatencyMs, flags);
-}
-
-audio_io_handle_t AudioPolicyService::openDuplicateOutput(audio_io_handle_t output1, audio_io_handle_t output2)
-{
-    sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
-    if (af == 0) {
-        LOGW("openDuplicateOutput() could not get AudioFlinger");
-        return 0;
-    }
-    return af->openDuplicateOutput(output1, output2);
-}
-
-status_t AudioPolicyService::closeOutput(audio_io_handle_t output)
-{
-    sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
-    if (af == 0) return PERMISSION_DENIED;
-
-    return af->closeOutput(output);
-}
-
-
-status_t AudioPolicyService::suspendOutput(audio_io_handle_t output)
-{
-    sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
-    if (af == 0) {
-        LOGW("suspendOutput() could not get AudioFlinger");
-        return PERMISSION_DENIED;
-    }
-
-    return af->suspendOutput(output);
-}
-
-status_t AudioPolicyService::restoreOutput(audio_io_handle_t output)
-{
-    sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
-    if (af == 0) {
-        LOGW("restoreOutput() could not get AudioFlinger");
-        return PERMISSION_DENIED;
-    }
-
-    return af->restoreOutput(output);
-}
-
-audio_io_handle_t AudioPolicyService::openInput(uint32_t *pDevices,
-                                uint32_t *pSamplingRate,
-                                uint32_t *pFormat,
-                                uint32_t *pChannels,
-                                uint32_t acoustics)
-{
-    sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
-    if (af == 0) {
-        LOGW("openInput() could not get AudioFlinger");
-        return 0;
-    }
-
-    return af->openInput(pDevices, pSamplingRate, (uint32_t *)pFormat, pChannels, acoustics);
-}
-
-status_t AudioPolicyService::closeInput(audio_io_handle_t input)
-{
-    sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
-    if (af == 0) return PERMISSION_DENIED;
-
-    return af->closeInput(input);
-}
-
-status_t AudioPolicyService::setStreamVolume(AudioSystem::stream_type stream, float volume, audio_io_handle_t output, int delayMs)
-{
-    return mAudioCommandThread->volumeCommand((int)stream, volume, (int)output, delayMs);
-}
-
-status_t AudioPolicyService::setStreamOutput(AudioSystem::stream_type stream, audio_io_handle_t output)
-{
-    sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
-    if (af == 0) return PERMISSION_DENIED;
-
-    return af->setStreamOutput(stream, output);
-}
-
-
-void AudioPolicyService::setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs, int delayMs)
-{
-    mAudioCommandThread->parametersCommand((int)ioHandle, keyValuePairs, delayMs);
-}
-
-String8 AudioPolicyService::getParameters(audio_io_handle_t ioHandle, const String8& keys)
-{
-    String8 result = AudioSystem::getParameters(ioHandle, keys);
-    return result;
-}
-
-status_t AudioPolicyService::startTone(ToneGenerator::tone_type tone, AudioSystem::stream_type stream)
-{
-    mTonePlaybackThread->startToneCommand(tone, stream);
-    return NO_ERROR;
-}
-
-status_t AudioPolicyService::stopTone()
-{
-    mTonePlaybackThread->stopToneCommand();
-    return NO_ERROR;
-}
-
-status_t AudioPolicyService::setVoiceVolume(float volume, int delayMs)
-{
-    return mAudioCommandThread->voiceVolumeCommand(volume, delayMs);
-}
-
-// -----------  AudioPolicyService::AudioCommandThread implementation ----------
-
-AudioPolicyService::AudioCommandThread::AudioCommandThread(String8 name)
-    : Thread(false), mName(name)
-{
-    mpToneGenerator = NULL;
-}
-
-
-AudioPolicyService::AudioCommandThread::~AudioCommandThread()
-{
-    if (mName != "" && !mAudioCommands.isEmpty()) {
-        release_wake_lock(mName.string());
-    }
-    mAudioCommands.clear();
-    if (mpToneGenerator != NULL) delete mpToneGenerator;
-}
-
-void AudioPolicyService::AudioCommandThread::onFirstRef()
-{
-    if (mName != "") {
-        run(mName.string(), ANDROID_PRIORITY_AUDIO);
-    } else {
-        run("AudioCommandThread", ANDROID_PRIORITY_AUDIO);
-    }
-}
-
-bool AudioPolicyService::AudioCommandThread::threadLoop()
-{
-    nsecs_t waitTime = INT64_MAX;
-
-    mLock.lock();
-    while (!exitPending())
-    {
-        while(!mAudioCommands.isEmpty()) {
-            nsecs_t curTime = systemTime();
-            // commands are sorted by increasing time stamp: execute them from index 0 and up
-            if (mAudioCommands[0]->mTime <= curTime) {
-                AudioCommand *command = mAudioCommands[0];
-                mAudioCommands.removeAt(0);
-                mLastCommand = *command;
-
-                switch (command->mCommand) {
-                case START_TONE: {
-                    mLock.unlock();
-                    ToneData *data = (ToneData *)command->mParam;
-                    LOGV("AudioCommandThread() processing start tone %d on stream %d",
-                            data->mType, data->mStream);
-                    if (mpToneGenerator != NULL)
-                        delete mpToneGenerator;
-                    mpToneGenerator = new ToneGenerator(data->mStream, 1.0);
-                    mpToneGenerator->startTone(data->mType);
-                    delete data;
-                    mLock.lock();
-                    }break;
-                case STOP_TONE: {
-                    mLock.unlock();
-                    LOGV("AudioCommandThread() processing stop tone");
-                    if (mpToneGenerator != NULL) {
-                        mpToneGenerator->stopTone();
-                        delete mpToneGenerator;
-                        mpToneGenerator = NULL;
-                    }
-                    mLock.lock();
-                    }break;
-                case SET_VOLUME: {
-                    VolumeData *data = (VolumeData *)command->mParam;
-                    LOGV("AudioCommandThread() processing set volume stream %d, volume %f, output %d", data->mStream, data->mVolume, data->mIO);
-                    command->mStatus = AudioSystem::setStreamVolume(data->mStream, data->mVolume, data->mIO);
-                    if (command->mWaitStatus) {
-                        command->mCond.signal();
-                        mWaitWorkCV.wait(mLock);
-                    }
-                    delete data;
-                    }break;
-                case SET_PARAMETERS: {
-                     ParametersData *data = (ParametersData *)command->mParam;
-                     LOGV("AudioCommandThread() processing set parameters string %s, io %d", data->mKeyValuePairs.string(), data->mIO);
-                     command->mStatus = AudioSystem::setParameters(data->mIO, data->mKeyValuePairs);
-                     if (command->mWaitStatus) {
-                         command->mCond.signal();
-                         mWaitWorkCV.wait(mLock);
-                     }
-                     delete data;
-                     }break;
-                case SET_VOICE_VOLUME: {
-                    VoiceVolumeData *data = (VoiceVolumeData *)command->mParam;
-                    LOGV("AudioCommandThread() processing set voice volume volume %f", data->mVolume);
-                    command->mStatus = AudioSystem::setVoiceVolume(data->mVolume);
-                    if (command->mWaitStatus) {
-                        command->mCond.signal();
-                        mWaitWorkCV.wait(mLock);
-                    }
-                    delete data;
-                    }break;
-                default:
-                    LOGW("AudioCommandThread() unknown command %d", command->mCommand);
-                }
-                delete command;
-                waitTime = INT64_MAX;
-            } else {
-                waitTime = mAudioCommands[0]->mTime - curTime;
-                break;
-            }
-        }
-        // release delayed commands wake lock
-        if (mName != "" && mAudioCommands.isEmpty()) {
-            release_wake_lock(mName.string());
-        }
-        LOGV("AudioCommandThread() going to sleep");
-        mWaitWorkCV.waitRelative(mLock, waitTime);
-        LOGV("AudioCommandThread() waking up");
-    }
-    mLock.unlock();
-    return false;
-}
-
-status_t AudioPolicyService::AudioCommandThread::dump(int fd)
-{
-    const size_t SIZE = 256;
-    char buffer[SIZE];
-    String8 result;
-
-    snprintf(buffer, SIZE, "AudioCommandThread %p Dump\n", this);
-    result.append(buffer);
-    write(fd, result.string(), result.size());
-
-    bool locked = tryLock(mLock);
-    if (!locked) {
-        String8 result2(kCmdDeadlockedString);
-        write(fd, result2.string(), result2.size());
-    }
-
-    snprintf(buffer, SIZE, "- Commands:\n");
-    result = String8(buffer);
-    result.append("   Command Time        Wait pParam\n");
-    for (int i = 0; i < (int)mAudioCommands.size(); i++) {
-        mAudioCommands[i]->dump(buffer, SIZE);
-        result.append(buffer);
-    }
-    result.append("  Last Command\n");
-    mLastCommand.dump(buffer, SIZE);
-    result.append(buffer);
-
-    write(fd, result.string(), result.size());
-
-    if (locked) mLock.unlock();
-
-    return NO_ERROR;
-}
-
-void AudioPolicyService::AudioCommandThread::startToneCommand(int type, int stream)
-{
-    AudioCommand *command = new AudioCommand();
-    command->mCommand = START_TONE;
-    ToneData *data = new ToneData();
-    data->mType = type;
-    data->mStream = stream;
-    command->mParam = (void *)data;
-    command->mWaitStatus = false;
-    Mutex::Autolock _l(mLock);
-    insertCommand_l(command);
-    LOGV("AudioCommandThread() adding tone start type %d, stream %d", type, stream);
-    mWaitWorkCV.signal();
-}
-
-void AudioPolicyService::AudioCommandThread::stopToneCommand()
-{
-    AudioCommand *command = new AudioCommand();
-    command->mCommand = STOP_TONE;
-    command->mParam = NULL;
-    command->mWaitStatus = false;
-    Mutex::Autolock _l(mLock);
-    insertCommand_l(command);
-    LOGV("AudioCommandThread() adding tone stop");
-    mWaitWorkCV.signal();
-}
-
-status_t AudioPolicyService::AudioCommandThread::volumeCommand(int stream, float volume, int output, int delayMs)
-{
-    status_t status = NO_ERROR;
-
-    AudioCommand *command = new AudioCommand();
-    command->mCommand = SET_VOLUME;
-    VolumeData *data = new VolumeData();
-    data->mStream = stream;
-    data->mVolume = volume;
-    data->mIO = output;
-    command->mParam = data;
-    if (delayMs == 0) {
-        command->mWaitStatus = true;
-    } else {
-        command->mWaitStatus = false;
-    }
-    Mutex::Autolock _l(mLock);
-    insertCommand_l(command, delayMs);
-    LOGV("AudioCommandThread() adding set volume stream %d, volume %f, output %d", stream, volume, output);
-    mWaitWorkCV.signal();
-    if (command->mWaitStatus) {
-        command->mCond.wait(mLock);
-        status =  command->mStatus;
-        mWaitWorkCV.signal();
-    }
-    return status;
-}
-
-status_t AudioPolicyService::AudioCommandThread::parametersCommand(int ioHandle, const String8& keyValuePairs, int delayMs)
-{
-    status_t status = NO_ERROR;
-
-    AudioCommand *command = new AudioCommand();
-    command->mCommand = SET_PARAMETERS;
-    ParametersData *data = new ParametersData();
-    data->mIO = ioHandle;
-    data->mKeyValuePairs = keyValuePairs;
-    command->mParam = data;
-    if (delayMs == 0) {
-        command->mWaitStatus = true;
-    } else {
-        command->mWaitStatus = false;
-    }
-    Mutex::Autolock _l(mLock);
-    insertCommand_l(command, delayMs);
-    LOGV("AudioCommandThread() adding set parameter string %s, io %d ,delay %d", keyValuePairs.string(), ioHandle, delayMs);
-    mWaitWorkCV.signal();
-    if (command->mWaitStatus) {
-        command->mCond.wait(mLock);
-        status =  command->mStatus;
-        mWaitWorkCV.signal();
-    }
-    return status;
-}
-
-status_t AudioPolicyService::AudioCommandThread::voiceVolumeCommand(float volume, int delayMs)
-{
-    status_t status = NO_ERROR;
-
-    AudioCommand *command = new AudioCommand();
-    command->mCommand = SET_VOICE_VOLUME;
-    VoiceVolumeData *data = new VoiceVolumeData();
-    data->mVolume = volume;
-    command->mParam = data;
-    if (delayMs == 0) {
-        command->mWaitStatus = true;
-    } else {
-        command->mWaitStatus = false;
-    }
-    Mutex::Autolock _l(mLock);
-    insertCommand_l(command, delayMs);
-    LOGV("AudioCommandThread() adding set voice volume volume %f", volume);
-    mWaitWorkCV.signal();
-    if (command->mWaitStatus) {
-        command->mCond.wait(mLock);
-        status =  command->mStatus;
-        mWaitWorkCV.signal();
-    }
-    return status;
-}
-
-// insertCommand_l() must be called with mLock held
-void AudioPolicyService::AudioCommandThread::insertCommand_l(AudioCommand *command, int delayMs)
-{
-    ssize_t i;
-    Vector <AudioCommand *> removedCommands;
-
-    command->mTime = systemTime() + milliseconds(delayMs);
-
-    // acquire wake lock to make sure delayed commands are processed
-    if (mName != "" && mAudioCommands.isEmpty()) {
-        acquire_wake_lock(PARTIAL_WAKE_LOCK, mName.string());
-    }
-
-    // check same pending commands with later time stamps and eliminate them
-    for (i = mAudioCommands.size()-1; i >= 0; i--) {
-        AudioCommand *command2 = mAudioCommands[i];
-        // commands are sorted by increasing time stamp: no need to scan the rest of mAudioCommands
-        if (command2->mTime <= command->mTime) break;
-        if (command2->mCommand != command->mCommand) continue;
-
-        switch (command->mCommand) {
-        case SET_PARAMETERS: {
-            ParametersData *data = (ParametersData *)command->mParam;
-            ParametersData *data2 = (ParametersData *)command2->mParam;
-            if (data->mIO != data2->mIO) break;
-            LOGV("Comparing parameter command %s to new command %s", data2->mKeyValuePairs.string(), data->mKeyValuePairs.string());
-            AudioParameter param = AudioParameter(data->mKeyValuePairs);
-            AudioParameter param2 = AudioParameter(data2->mKeyValuePairs);
-            for (size_t j = 0; j < param.size(); j++) {
-               String8 key;
-               String8 value;
-               param.getAt(j, key, value);
-               for (size_t k = 0; k < param2.size(); k++) {
-                  String8 key2;
-                  String8 value2;
-                  param2.getAt(k, key2, value2);
-                  if (key2 == key) {
-                      param2.remove(key2);
-                      LOGV("Filtering out parameter %s", key2.string());
-                      break;
-                  }
-               }
-            }
-            // if all keys have been filtered out, remove the command.
-            // otherwise, update the key value pairs
-            if (param2.size() == 0) {
-                removedCommands.add(command2);
-            } else {
-                data2->mKeyValuePairs = param2.toString();
-            }
-        } break;
-
-        case SET_VOLUME: {
-            VolumeData *data = (VolumeData *)command->mParam;
-            VolumeData *data2 = (VolumeData *)command2->mParam;
-            if (data->mIO != data2->mIO) break;
-            if (data->mStream != data2->mStream) break;
-            LOGV("Filtering out volume command on output %d for stream %d", data->mIO, data->mStream);
-            removedCommands.add(command2);
-        } break;
-        case START_TONE:
-        case STOP_TONE:
-        default:
-            break;
-        }
-    }
-
-    // remove filtered commands
-    for (size_t j = 0; j < removedCommands.size(); j++) {
-        // removed commands always have time stamps greater than current command
-        for (size_t k = i + 1; k < mAudioCommands.size(); k++) {
-            if (mAudioCommands[k] == removedCommands[j]) {
-                LOGV("suppressing command: %d", mAudioCommands[k]->mCommand);
-                mAudioCommands.removeAt(k);
-                break;
-            }
-        }
-    }
-    removedCommands.clear();
-
-    // insert command at the right place according to its time stamp
-    LOGV("inserting command: %d at index %d, num commands %d", command->mCommand, (int)i+1, mAudioCommands.size());
-    mAudioCommands.insertAt(command, i + 1);
-}
-
-void AudioPolicyService::AudioCommandThread::exit()
-{
-    LOGV("AudioCommandThread::exit");
-    {
-        AutoMutex _l(mLock);
-        requestExit();
-        mWaitWorkCV.signal();
-    }
-    requestExitAndWait();
-}
-
-void AudioPolicyService::AudioCommandThread::AudioCommand::dump(char* buffer, size_t size)
-{
-    snprintf(buffer, size, "   %02d      %06d.%03d  %01u    %p\n",
-            mCommand,
-            (int)ns2s(mTime),
-            (int)ns2ms(mTime)%1000,
-            mWaitStatus,
-            mParam);
-}
-
-}; // namespace android
diff --git a/libs/audioflinger/AudioPolicyService.h b/libs/audioflinger/AudioPolicyService.h
deleted file mode 100644
index a13d0bd..0000000
--- a/libs/audioflinger/AudioPolicyService.h
+++ /dev/null
@@ -1,223 +0,0 @@
-/*
- * Copyright (C) 2009 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_AUDIOPOLICYSERVICE_H
-#define ANDROID_AUDIOPOLICYSERVICE_H
-
-#include <media/IAudioPolicyService.h>
-#include <hardware_legacy/AudioPolicyInterface.h>
-#include <media/ToneGenerator.h>
-#include <utils/Vector.h>
-
-namespace android {
-
-class String8;
-
-// ----------------------------------------------------------------------------
-
-class AudioPolicyService: public BnAudioPolicyService, public AudioPolicyClientInterface, public IBinder::DeathRecipient
-{
-
-public:
-    static  void        instantiate();
-
-    virtual status_t    dump(int fd, const Vector<String16>& args);
-
-    //
-    // BnAudioPolicyService (see AudioPolicyInterface for method descriptions)
-    //
-
-    virtual status_t setDeviceConnectionState(AudioSystem::audio_devices device,
-                                              AudioSystem::device_connection_state state,
-                                              const char *device_address);
-    virtual AudioSystem::device_connection_state getDeviceConnectionState(AudioSystem::audio_devices device,
-                                                                          const char *device_address);
-    virtual status_t setPhoneState(int state);
-    virtual status_t setRingerMode(uint32_t mode, uint32_t mask);
-    virtual status_t setForceUse(AudioSystem::force_use usage, AudioSystem::forced_config config);
-    virtual AudioSystem::forced_config getForceUse(AudioSystem::force_use usage);
-    virtual audio_io_handle_t getOutput(AudioSystem::stream_type stream,
-                                        uint32_t samplingRate = 0,
-                                        uint32_t format = AudioSystem::FORMAT_DEFAULT,
-                                        uint32_t channels = 0,
-                                        AudioSystem::output_flags flags = AudioSystem::OUTPUT_FLAG_INDIRECT);
-    virtual status_t startOutput(audio_io_handle_t output, AudioSystem::stream_type stream);
-    virtual status_t stopOutput(audio_io_handle_t output, AudioSystem::stream_type stream);
-    virtual void releaseOutput(audio_io_handle_t output);
-    virtual audio_io_handle_t getInput(int inputSource,
-                                    uint32_t samplingRate = 0,
-                                    uint32_t format = AudioSystem::FORMAT_DEFAULT,
-                                    uint32_t channels = 0,
-                                    AudioSystem::audio_in_acoustics acoustics = (AudioSystem::audio_in_acoustics)0);
-    virtual status_t startInput(audio_io_handle_t input);
-    virtual status_t stopInput(audio_io_handle_t input);
-    virtual void releaseInput(audio_io_handle_t input);
-    virtual status_t initStreamVolume(AudioSystem::stream_type stream,
-                                      int indexMin,
-                                      int indexMax);
-    virtual status_t setStreamVolumeIndex(AudioSystem::stream_type stream, int index);
-    virtual status_t getStreamVolumeIndex(AudioSystem::stream_type stream, int *index);
-
-    virtual     status_t    onTransact(
-                                uint32_t code,
-                                const Parcel& data,
-                                Parcel* reply,
-                                uint32_t flags);
-
-    // IBinder::DeathRecipient
-    virtual     void        binderDied(const wp<IBinder>& who);
-
-    //
-    // AudioPolicyClientInterface
-    //
-    virtual audio_io_handle_t openOutput(uint32_t *pDevices,
-                                    uint32_t *pSamplingRate,
-                                    uint32_t *pFormat,
-                                    uint32_t *pChannels,
-                                    uint32_t *pLatencyMs,
-                                    AudioSystem::output_flags flags);
-    virtual audio_io_handle_t openDuplicateOutput(audio_io_handle_t output1, audio_io_handle_t output2);
-    virtual status_t closeOutput(audio_io_handle_t output);
-    virtual status_t suspendOutput(audio_io_handle_t output);
-    virtual status_t restoreOutput(audio_io_handle_t output);
-    virtual audio_io_handle_t openInput(uint32_t *pDevices,
-                                    uint32_t *pSamplingRate,
-                                    uint32_t *pFormat,
-                                    uint32_t *pChannels,
-                                    uint32_t acoustics);
-    virtual status_t closeInput(audio_io_handle_t input);
-    virtual status_t setStreamVolume(AudioSystem::stream_type stream, float volume, audio_io_handle_t output, int delayMs = 0);
-    virtual status_t setStreamOutput(AudioSystem::stream_type stream, audio_io_handle_t output);
-    virtual void setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs, int delayMs = 0);
-    virtual String8 getParameters(audio_io_handle_t ioHandle, const String8& keys);
-    virtual status_t startTone(ToneGenerator::tone_type tone, AudioSystem::stream_type stream);
-    virtual status_t stopTone();
-    virtual status_t setVoiceVolume(float volume, int delayMs = 0);
-
-private:
-                        AudioPolicyService();
-    virtual             ~AudioPolicyService();
-
-            status_t dumpInternals(int fd);
-
-    // Thread used for tone playback and to send audio config commands to audio flinger
-    // For tone playback, using a separate thread is necessary to avoid deadlock with mLock because startTone()
-    // and stopTone() are normally called with mLock locked and requesting a tone start or stop will cause
-    // calls to AudioPolicyService and an attempt to lock mLock.
-    // For audio config commands, it is necessary because audio flinger requires that the calling process (user)
-    // has permission to modify audio settings.
-    class AudioCommandThread : public Thread {
-        class AudioCommand;
-    public:
-
-        // commands for tone AudioCommand
-        enum {
-            START_TONE,
-            STOP_TONE,
-            SET_VOLUME,
-            SET_PARAMETERS,
-            SET_VOICE_VOLUME
-        };
-
-        AudioCommandThread (String8 name);
-        virtual             ~AudioCommandThread();
-
-                    status_t    dump(int fd);
-
-        // Thread virtuals
-        virtual     void        onFirstRef();
-        virtual     bool        threadLoop();
-
-                    void        exit();
-                    void        startToneCommand(int type = 0, int stream = 0);
-                    void        stopToneCommand();
-                    status_t    volumeCommand(int stream, float volume, int output, int delayMs = 0);
-                    status_t    parametersCommand(int ioHandle, const String8& keyValuePairs, int delayMs = 0);
-                    status_t    voiceVolumeCommand(float volume, int delayMs = 0);
-                    void        insertCommand_l(AudioCommand *command, int delayMs = 0);
-
-    private:
-        // descriptor for requested tone playback event
-        class AudioCommand {
-
-        public:
-            AudioCommand()
-            : mCommand(-1) {}
-
-            void dump(char* buffer, size_t size);
-
-            int mCommand;   // START_TONE, STOP_TONE ...
-            nsecs_t mTime;  // time stamp
-            Condition mCond; // condition for status return
-            status_t mStatus; // command status
-            bool mWaitStatus; // true if caller is waiting for status
-            void *mParam;     // command parameter (ToneData, VolumeData, ParametersData)
-        };
-
-        class ToneData {
-        public:
-            int mType;      // tone type (START_TONE only)
-            int mStream;    // stream type (START_TONE only)
-        };
-
-        class VolumeData {
-        public:
-            int mStream;
-            float mVolume;
-            int mIO;
-        };
-
-        class ParametersData {
-        public:
-            int mIO;
-            String8 mKeyValuePairs;
-        };
-
-        class VoiceVolumeData {
-        public:
-            float mVolume;
-        };
-
-        Mutex   mLock;
-        Condition mWaitWorkCV;
-        Vector <AudioCommand *> mAudioCommands; // list of pending commands
-        ToneGenerator *mpToneGenerator;     // the tone generator
-        AudioCommand mLastCommand;          // last processed command (used by dump)
-        String8 mName;                      // string used by wake lock fo delayed commands
-    };
-
-    // Internal dump utilities.
-    status_t dumpPermissionDenial(int fd);
-
-
-    Mutex   mLock;      // prevents concurrent access to AudioPolicy manager functions changing device
-                        // connection stated our routing
-    AudioPolicyInterface* mpPolicyManager;          // the platform specific policy manager
-    sp <AudioCommandThread> mAudioCommandThread;    // audio commands thread
-    sp <AudioCommandThread> mTonePlaybackThread;     // tone playback thread
-};
-
-}; // namespace android
-
-#endif // ANDROID_AUDIOPOLICYSERVICE_H
-
-
-
-
-
-
-
-
diff --git a/libs/audioflinger/AudioResampler.cpp b/libs/audioflinger/AudioResampler.cpp
deleted file mode 100644
index 5dabacb..0000000
--- a/libs/audioflinger/AudioResampler.cpp
+++ /dev/null
@@ -1,595 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "AudioResampler"
-//#define LOG_NDEBUG 0
-
-#include <stdint.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <cutils/log.h>
-#include <cutils/properties.h>
-#include "AudioResampler.h"
-#include "AudioResamplerSinc.h"
-#include "AudioResamplerCubic.h"
-
-namespace android {
-
-#ifdef __ARM_ARCH_5E__  // optimized asm option
-    #define ASM_ARM_RESAMP1 // enable asm optimisation for ResamplerOrder1
-#endif // __ARM_ARCH_5E__
-// ----------------------------------------------------------------------------
-
-class AudioResamplerOrder1 : public AudioResampler {
-public:
-    AudioResamplerOrder1(int bitDepth, int inChannelCount, int32_t sampleRate) :
-        AudioResampler(bitDepth, inChannelCount, sampleRate), mX0L(0), mX0R(0) {
-    }
-    virtual void resample(int32_t* out, size_t outFrameCount,
-            AudioBufferProvider* provider);
-private:
-    // number of bits used in interpolation multiply - 15 bits avoids overflow
-    static const int kNumInterpBits = 15;
-
-    // bits to shift the phase fraction down to avoid overflow
-    static const int kPreInterpShift = kNumPhaseBits - kNumInterpBits;
-
-    void init() {}
-    void resampleMono16(int32_t* out, size_t outFrameCount,
-            AudioBufferProvider* provider);
-    void resampleStereo16(int32_t* out, size_t outFrameCount,
-            AudioBufferProvider* provider);
-#ifdef ASM_ARM_RESAMP1  // asm optimisation for ResamplerOrder1
-    void AsmMono16Loop(int16_t *in, int32_t* maxOutPt, int32_t maxInIdx,
-            size_t &outputIndex, int32_t* out, size_t &inputIndex, int32_t vl, int32_t vr,
-            uint32_t &phaseFraction, uint32_t phaseIncrement);
-    void AsmStereo16Loop(int16_t *in, int32_t* maxOutPt, int32_t maxInIdx,
-            size_t &outputIndex, int32_t* out, size_t &inputIndex, int32_t vl, int32_t vr,
-            uint32_t &phaseFraction, uint32_t phaseIncrement);
-#endif  // ASM_ARM_RESAMP1
-
-    static inline int32_t Interp(int32_t x0, int32_t x1, uint32_t f) {
-        return x0 + (((x1 - x0) * (int32_t)(f >> kPreInterpShift)) >> kNumInterpBits);
-    }
-    static inline void Advance(size_t* index, uint32_t* frac, uint32_t inc) {
-        *frac += inc;
-        *index += (size_t)(*frac >> kNumPhaseBits);
-        *frac &= kPhaseMask;
-    }
-    int mX0L;
-    int mX0R;
-};
-
-// ----------------------------------------------------------------------------
-AudioResampler* AudioResampler::create(int bitDepth, int inChannelCount,
-        int32_t sampleRate, int quality) {
-
-    // can only create low quality resample now
-    AudioResampler* resampler;
-
-    char value[PROPERTY_VALUE_MAX];
-    if (property_get("af.resampler.quality", value, 0)) {
-        quality = atoi(value);
-        LOGD("forcing AudioResampler quality to %d", quality);
-    }
-
-    if (quality == DEFAULT)
-        quality = LOW_QUALITY;
-
-    switch (quality) {
-    default:
-    case LOW_QUALITY:
-        LOGV("Create linear Resampler");
-        resampler = new AudioResamplerOrder1(bitDepth, inChannelCount, sampleRate);
-        break;
-    case MED_QUALITY:
-        LOGV("Create cubic Resampler");
-        resampler = new AudioResamplerCubic(bitDepth, inChannelCount, sampleRate);
-        break;
-    case HIGH_QUALITY:
-        LOGV("Create sinc Resampler");
-        resampler = new AudioResamplerSinc(bitDepth, inChannelCount, sampleRate);
-        break;
-    }
-
-    // initialize resampler
-    resampler->init();
-    return resampler;
-}
-
-AudioResampler::AudioResampler(int bitDepth, int inChannelCount,
-        int32_t sampleRate) :
-    mBitDepth(bitDepth), mChannelCount(inChannelCount),
-            mSampleRate(sampleRate), mInSampleRate(sampleRate), mInputIndex(0),
-            mPhaseFraction(0) {
-    // sanity check on format
-    if ((bitDepth != 16) ||(inChannelCount < 1) || (inChannelCount > 2)) {
-        LOGE("Unsupported sample format, %d bits, %d channels", bitDepth,
-                inChannelCount);
-        // LOG_ASSERT(0);
-    }
-
-    // initialize common members
-    mVolume[0] = mVolume[1] = 0;
-    mBuffer.frameCount = 0;
-
-    // save format for quick lookup
-    if (inChannelCount == 1) {
-        mFormat = MONO_16_BIT;
-    } else {
-        mFormat = STEREO_16_BIT;
-    }
-}
-
-AudioResampler::~AudioResampler() {
-}
-
-void AudioResampler::setSampleRate(int32_t inSampleRate) {
-    mInSampleRate = inSampleRate;
-    mPhaseIncrement = (uint32_t)((kPhaseMultiplier * inSampleRate) / mSampleRate);
-}
-
-void AudioResampler::setVolume(int16_t left, int16_t right) {
-    // TODO: Implement anti-zipper filter
-    mVolume[0] = left;
-    mVolume[1] = right;
-}
-
-// ----------------------------------------------------------------------------
-
-void AudioResamplerOrder1::resample(int32_t* out, size_t outFrameCount,
-        AudioBufferProvider* provider) {
-
-    // should never happen, but we overflow if it does
-    // LOG_ASSERT(outFrameCount < 32767);
-
-    // select the appropriate resampler
-    switch (mChannelCount) {
-    case 1:
-        resampleMono16(out, outFrameCount, provider);
-        break;
-    case 2:
-        resampleStereo16(out, outFrameCount, provider);
-        break;
-    }
-}
-
-void AudioResamplerOrder1::resampleStereo16(int32_t* out, size_t outFrameCount,
-        AudioBufferProvider* provider) {
-
-    int32_t vl = mVolume[0];
-    int32_t vr = mVolume[1];
-
-    size_t inputIndex = mInputIndex;
-    uint32_t phaseFraction = mPhaseFraction;
-    uint32_t phaseIncrement = mPhaseIncrement;
-    size_t outputIndex = 0;
-    size_t outputSampleCount = outFrameCount * 2;
-    size_t inFrameCount = (outFrameCount*mInSampleRate)/mSampleRate;
-
-    // LOGE("starting resample %d frames, inputIndex=%d, phaseFraction=%d, phaseIncrement=%d\n",
-    //      outFrameCount, inputIndex, phaseFraction, phaseIncrement);
-
-    while (outputIndex < outputSampleCount) {
-
-        // buffer is empty, fetch a new one
-        while (mBuffer.frameCount == 0) {
-            mBuffer.frameCount = inFrameCount;
-            provider->getNextBuffer(&mBuffer);
-            if (mBuffer.raw == NULL) {
-                goto resampleStereo16_exit;
-            }
-
-            // LOGE("New buffer fetched: %d frames\n", mBuffer.frameCount);
-            if (mBuffer.frameCount > inputIndex) break;
-
-            inputIndex -= mBuffer.frameCount;
-            mX0L = mBuffer.i16[mBuffer.frameCount*2-2];
-            mX0R = mBuffer.i16[mBuffer.frameCount*2-1];
-            provider->releaseBuffer(&mBuffer);
-             // mBuffer.frameCount == 0 now so we reload a new buffer
-        }
-
-        int16_t *in = mBuffer.i16;
-
-        // handle boundary case
-        while (inputIndex == 0) {
-            // LOGE("boundary case\n");
-            out[outputIndex++] += vl * Interp(mX0L, in[0], phaseFraction);
-            out[outputIndex++] += vr * Interp(mX0R, in[1], phaseFraction);
-            Advance(&inputIndex, &phaseFraction, phaseIncrement);
-            if (outputIndex == outputSampleCount)
-                break;
-        }
-
-        // process input samples
-        // LOGE("general case\n");
-
-#ifdef ASM_ARM_RESAMP1  // asm optimisation for ResamplerOrder1
-        if (inputIndex + 2 < mBuffer.frameCount) {
-            int32_t* maxOutPt;
-            int32_t maxInIdx;
-
-            maxOutPt = out + (outputSampleCount - 2);   // 2 because 2 frames per loop
-            maxInIdx = mBuffer.frameCount - 2;
-            AsmStereo16Loop(in, maxOutPt, maxInIdx, outputIndex, out, inputIndex, vl, vr,
-                    phaseFraction, phaseIncrement);
-        }
-#endif  // ASM_ARM_RESAMP1
-
-        while (outputIndex < outputSampleCount && inputIndex < mBuffer.frameCount) {
-            out[outputIndex++] += vl * Interp(in[inputIndex*2-2],
-                    in[inputIndex*2], phaseFraction);
-            out[outputIndex++] += vr * Interp(in[inputIndex*2-1],
-                    in[inputIndex*2+1], phaseFraction);
-            Advance(&inputIndex, &phaseFraction, phaseIncrement);
-        }
-
-        // LOGE("loop done - outputIndex=%d, inputIndex=%d\n", outputIndex, inputIndex);
-
-        // if done with buffer, save samples
-        if (inputIndex >= mBuffer.frameCount) {
-            inputIndex -= mBuffer.frameCount;
-
-            // LOGE("buffer done, new input index %d", inputIndex);
-
-            mX0L = mBuffer.i16[mBuffer.frameCount*2-2];
-            mX0R = mBuffer.i16[mBuffer.frameCount*2-1];
-            provider->releaseBuffer(&mBuffer);
-
-            // verify that the releaseBuffer resets the buffer frameCount
-            // LOG_ASSERT(mBuffer.frameCount == 0);
-        }
-    }
-
-    // LOGE("output buffer full - outputIndex=%d, inputIndex=%d\n", outputIndex, inputIndex);
-
-resampleStereo16_exit:
-    // save state
-    mInputIndex = inputIndex;
-    mPhaseFraction = phaseFraction;
-}
-
-void AudioResamplerOrder1::resampleMono16(int32_t* out, size_t outFrameCount,
-        AudioBufferProvider* provider) {
-
-    int32_t vl = mVolume[0];
-    int32_t vr = mVolume[1];
-
-    size_t inputIndex = mInputIndex;
-    uint32_t phaseFraction = mPhaseFraction;
-    uint32_t phaseIncrement = mPhaseIncrement;
-    size_t outputIndex = 0;
-    size_t outputSampleCount = outFrameCount * 2;
-    size_t inFrameCount = (outFrameCount*mInSampleRate)/mSampleRate;
-
-    // LOGE("starting resample %d frames, inputIndex=%d, phaseFraction=%d, phaseIncrement=%d\n",
-    //      outFrameCount, inputIndex, phaseFraction, phaseIncrement);
-    while (outputIndex < outputSampleCount) {
-        // buffer is empty, fetch a new one
-        while (mBuffer.frameCount == 0) {
-            mBuffer.frameCount = inFrameCount;
-            provider->getNextBuffer(&mBuffer);
-            if (mBuffer.raw == NULL) {
-                mInputIndex = inputIndex;
-                mPhaseFraction = phaseFraction;
-                goto resampleMono16_exit;
-            }
-            // LOGE("New buffer fetched: %d frames\n", mBuffer.frameCount);
-            if (mBuffer.frameCount >  inputIndex) break;
-
-            inputIndex -= mBuffer.frameCount;
-            mX0L = mBuffer.i16[mBuffer.frameCount-1];
-            provider->releaseBuffer(&mBuffer);
-            // mBuffer.frameCount == 0 now so we reload a new buffer
-        }
-        int16_t *in = mBuffer.i16;
-
-        // handle boundary case
-        while (inputIndex == 0) {
-            // LOGE("boundary case\n");
-            int32_t sample = Interp(mX0L, in[0], phaseFraction);
-            out[outputIndex++] += vl * sample;
-            out[outputIndex++] += vr * sample;
-            Advance(&inputIndex, &phaseFraction, phaseIncrement);
-            if (outputIndex == outputSampleCount)
-                break;
-        }
-
-        // process input samples
-        // LOGE("general case\n");
-
-#ifdef ASM_ARM_RESAMP1  // asm optimisation for ResamplerOrder1
-        if (inputIndex + 2 < mBuffer.frameCount) {
-            int32_t* maxOutPt;
-            int32_t maxInIdx;
-
-            maxOutPt = out + (outputSampleCount - 2);
-            maxInIdx = (int32_t)mBuffer.frameCount - 2;
-                AsmMono16Loop(in, maxOutPt, maxInIdx, outputIndex, out, inputIndex, vl, vr,
-                        phaseFraction, phaseIncrement);
-        }
-#endif  // ASM_ARM_RESAMP1
-
-        while (outputIndex < outputSampleCount && inputIndex < mBuffer.frameCount) {
-            int32_t sample = Interp(in[inputIndex-1], in[inputIndex],
-                    phaseFraction);
-            out[outputIndex++] += vl * sample;
-            out[outputIndex++] += vr * sample;
-            Advance(&inputIndex, &phaseFraction, phaseIncrement);
-        }
-
-
-        // LOGE("loop done - outputIndex=%d, inputIndex=%d\n", outputIndex, inputIndex);
-
-        // if done with buffer, save samples
-        if (inputIndex >= mBuffer.frameCount) {
-            inputIndex -= mBuffer.frameCount;
-
-            // LOGE("buffer done, new input index %d", inputIndex);
-
-            mX0L = mBuffer.i16[mBuffer.frameCount-1];
-            provider->releaseBuffer(&mBuffer);
-
-            // verify that the releaseBuffer resets the buffer frameCount
-            // LOG_ASSERT(mBuffer.frameCount == 0);
-        }
-    }
-
-    // LOGE("output buffer full - outputIndex=%d, inputIndex=%d\n", outputIndex, inputIndex);
-
-resampleMono16_exit:
-    // save state
-    mInputIndex = inputIndex;
-    mPhaseFraction = phaseFraction;
-}
-
-#ifdef ASM_ARM_RESAMP1  // asm optimisation for ResamplerOrder1
-
-/*******************************************************************
-*
-*   AsmMono16Loop
-*   asm optimized monotonic loop version; one loop is 2 frames
-*   Input:
-*       in : pointer on input samples
-*       maxOutPt : pointer on first not filled
-*       maxInIdx : index on first not used
-*       outputIndex : pointer on current output index
-*       out : pointer on output buffer
-*       inputIndex : pointer on current input index
-*       vl, vr : left and right gain
-*       phaseFraction : pointer on current phase fraction
-*       phaseIncrement
-*   Ouput:
-*       outputIndex :
-*       out : updated buffer
-*       inputIndex : index of next to use
-*       phaseFraction : phase fraction for next interpolation
-*
-*******************************************************************/
-void AudioResamplerOrder1::AsmMono16Loop(int16_t *in, int32_t* maxOutPt, int32_t maxInIdx,
-            size_t &outputIndex, int32_t* out, size_t &inputIndex, int32_t vl, int32_t vr,
-            uint32_t &phaseFraction, uint32_t phaseIncrement)
-{
-#define MO_PARAM5   "36"        // offset of parameter 5 (outputIndex)
-
-    asm(
-        "stmfd  sp!, {r4, r5, r6, r7, r8, r9, r10, r11, lr}\n"
-        // get parameters
-        "   ldr r6, [sp, #" MO_PARAM5 " + 20]\n"    // &phaseFraction
-        "   ldr r6, [r6]\n"                         // phaseFraction
-        "   ldr r7, [sp, #" MO_PARAM5 " + 8]\n"     // &inputIndex
-        "   ldr r7, [r7]\n"                         // inputIndex
-        "   ldr r8, [sp, #" MO_PARAM5 " + 4]\n"     // out
-        "   ldr r0, [sp, #" MO_PARAM5 " + 0]\n"     // &outputIndex
-        "   ldr r0, [r0]\n"                         // outputIndex
-        "   add r8, r0, asl #2\n"                   // curOut
-        "   ldr r9, [sp, #" MO_PARAM5 " + 24]\n"    // phaseIncrement
-        "   ldr r10, [sp, #" MO_PARAM5 " + 12]\n"   // vl
-        "   ldr r11, [sp, #" MO_PARAM5 " + 16]\n"   // vr
-
-        // r0 pin, x0, Samp
-
-        // r1 in
-        // r2 maxOutPt
-        // r3 maxInIdx
-
-        // r4 x1, i1, i3, Out1
-        // r5 out0
-
-        // r6 frac
-        // r7 inputIndex
-        // r8 curOut
-
-        // r9 inc
-        // r10 vl
-        // r11 vr
-
-        // r12
-        // r13 sp
-        // r14
-
-        // the following loop works on 2 frames
-
-        ".Y4L01:\n"
-        "   cmp r8, r2\n"                   // curOut - maxCurOut
-        "   bcs .Y4L02\n"
-
-#define MO_ONE_FRAME \
-    "   add r0, r1, r7, asl #1\n"       /* in + inputIndex */\
-    "   ldrsh r4, [r0]\n"               /* in[inputIndex] */\
-    "   ldr r5, [r8]\n"                 /* out[outputIndex] */\
-    "   ldrsh r0, [r0, #-2]\n"          /* in[inputIndex-1] */\
-    "   bic r6, r6, #0xC0000000\n"      /* phaseFraction & ... */\
-    "   sub r4, r4, r0\n"               /* in[inputIndex] - in[inputIndex-1] */\
-    "   mov r4, r4, lsl #2\n"           /* <<2 */\
-    "   smulwt r4, r4, r6\n"            /* (x1-x0)*.. */\
-    "   add r6, r6, r9\n"               /* phaseFraction + phaseIncrement */\
-    "   add r0, r0, r4\n"               /* x0 - (..) */\
-    "   mla r5, r0, r10, r5\n"          /* vl*interp + out[] */\
-    "   ldr r4, [r8, #4]\n"             /* out[outputIndex+1] */\
-    "   str r5, [r8], #4\n"             /* out[outputIndex++] = ... */\
-    "   mla r4, r0, r11, r4\n"          /* vr*interp + out[] */\
-    "   add r7, r7, r6, lsr #30\n"      /* inputIndex + phaseFraction>>30 */\
-    "   str r4, [r8], #4\n"             /* out[outputIndex++] = ... */
-
-        MO_ONE_FRAME    // frame 1
-        MO_ONE_FRAME    // frame 2
-
-        "   cmp r7, r3\n"                   // inputIndex - maxInIdx
-        "   bcc .Y4L01\n"
-        ".Y4L02:\n"
-
-        "   bic r6, r6, #0xC0000000\n"             // phaseFraction & ...
-        // save modified values
-        "   ldr r0, [sp, #" MO_PARAM5 " + 20]\n"    // &phaseFraction
-        "   str r6, [r0]\n"                         // phaseFraction
-        "   ldr r0, [sp, #" MO_PARAM5 " + 8]\n"     // &inputIndex
-        "   str r7, [r0]\n"                         // inputIndex
-        "   ldr r0, [sp, #" MO_PARAM5 " + 4]\n"     // out
-        "   sub r8, r0\n"                           // curOut - out
-        "   asr r8, #2\n"                           // new outputIndex
-        "   ldr r0, [sp, #" MO_PARAM5 " + 0]\n"     // &outputIndex
-        "   str r8, [r0]\n"                         // save outputIndex
-
-        "   ldmfd   sp!, {r4, r5, r6, r7, r8, r9, r10, r11, pc}\n"
-    );
-}
-
-/*******************************************************************
-*
-*   AsmStereo16Loop
-*   asm optimized stereo loop version; one loop is 2 frames
-*   Input:
-*       in : pointer on input samples
-*       maxOutPt : pointer on first not filled
-*       maxInIdx : index on first not used
-*       outputIndex : pointer on current output index
-*       out : pointer on output buffer
-*       inputIndex : pointer on current input index
-*       vl, vr : left and right gain
-*       phaseFraction : pointer on current phase fraction
-*       phaseIncrement
-*   Ouput:
-*       outputIndex :
-*       out : updated buffer
-*       inputIndex : index of next to use
-*       phaseFraction : phase fraction for next interpolation
-*
-*******************************************************************/
-void AudioResamplerOrder1::AsmStereo16Loop(int16_t *in, int32_t* maxOutPt, int32_t maxInIdx,
-            size_t &outputIndex, int32_t* out, size_t &inputIndex, int32_t vl, int32_t vr,
-            uint32_t &phaseFraction, uint32_t phaseIncrement)
-{
-#define ST_PARAM5    "40"     // offset of parameter 5 (outputIndex)
-    asm(
-        "stmfd  sp!, {r4, r5, r6, r7, r8, r9, r10, r11, r12, lr}\n"
-        // get parameters
-        "   ldr r6, [sp, #" ST_PARAM5 " + 20]\n"    // &phaseFraction
-        "   ldr r6, [r6]\n"                         // phaseFraction
-        "   ldr r7, [sp, #" ST_PARAM5 " + 8]\n"     // &inputIndex
-        "   ldr r7, [r7]\n"                         // inputIndex
-        "   ldr r8, [sp, #" ST_PARAM5 " + 4]\n"     // out
-        "   ldr r0, [sp, #" ST_PARAM5 " + 0]\n"     // &outputIndex
-        "   ldr r0, [r0]\n"                         // outputIndex
-        "   add r8, r0, asl #2\n"                   // curOut
-        "   ldr r9, [sp, #" ST_PARAM5 " + 24]\n"    // phaseIncrement
-        "   ldr r10, [sp, #" ST_PARAM5 " + 12]\n"   // vl
-        "   ldr r11, [sp, #" ST_PARAM5 " + 16]\n"   // vr
-
-        // r0 pin, x0, Samp
-
-        // r1 in
-        // r2 maxOutPt
-        // r3 maxInIdx
-
-        // r4 x1, i1, i3, out1
-        // r5 out0
-
-        // r6 frac
-        // r7 inputIndex
-        // r8 curOut
-
-        // r9 inc
-        // r10 vl
-        // r11 vr
-
-        // r12 temporary
-        // r13 sp
-        // r14
-
-        ".Y5L01:\n"
-        "   cmp r8, r2\n"                   // curOut - maxCurOut
-        "   bcs .Y5L02\n"
-
-#define ST_ONE_FRAME \
-    "   bic r6, r6, #0xC0000000\n"      /* phaseFraction & ... */\
-\
-    "   add r0, r1, r7, asl #2\n"       /* in + 2*inputIndex */\
-\
-    "   ldrsh r4, [r0]\n"               /* in[2*inputIndex] */\
-    "   ldr r5, [r8]\n"                 /* out[outputIndex] */\
-    "   ldrsh r12, [r0, #-4]\n"         /* in[2*inputIndex-2] */\
-    "   sub r4, r4, r12\n"              /* in[2*InputIndex] - in[2*InputIndex-2] */\
-    "   mov r4, r4, lsl #2\n"           /* <<2 */\
-    "   smulwt r4, r4, r6\n"            /* (x1-x0)*.. */\
-    "   add r12, r12, r4\n"             /* x0 - (..) */\
-    "   mla r5, r12, r10, r5\n"         /* vl*interp + out[] */\
-    "   ldr r4, [r8, #4]\n"             /* out[outputIndex+1] */\
-    "   str r5, [r8], #4\n"             /* out[outputIndex++] = ... */\
-\
-    "   ldrsh r12, [r0, #+2]\n"         /* in[2*inputIndex+1] */\
-    "   ldrsh r0, [r0, #-2]\n"          /* in[2*inputIndex-1] */\
-    "   sub r12, r12, r0\n"             /* in[2*InputIndex] - in[2*InputIndex-2] */\
-    "   mov r12, r12, lsl #2\n"         /* <<2 */\
-    "   smulwt r12, r12, r6\n"          /* (x1-x0)*.. */\
-    "   add r12, r0, r12\n"             /* x0 - (..) */\
-    "   mla r4, r12, r11, r4\n"         /* vr*interp + out[] */\
-    "   str r4, [r8], #4\n"             /* out[outputIndex++] = ... */\
-\
-    "   add r6, r6, r9\n"               /* phaseFraction + phaseIncrement */\
-    "   add r7, r7, r6, lsr #30\n"      /* inputIndex + phaseFraction>>30 */
-
-    ST_ONE_FRAME    // frame 1
-    ST_ONE_FRAME    // frame 1
-
-        "   cmp r7, r3\n"                       // inputIndex - maxInIdx
-        "   bcc .Y5L01\n"
-        ".Y5L02:\n"
-
-        "   bic r6, r6, #0xC0000000\n"              // phaseFraction & ...
-        // save modified values
-        "   ldr r0, [sp, #" ST_PARAM5 " + 20]\n"    // &phaseFraction
-        "   str r6, [r0]\n"                         // phaseFraction
-        "   ldr r0, [sp, #" ST_PARAM5 " + 8]\n"     // &inputIndex
-        "   str r7, [r0]\n"                         // inputIndex
-        "   ldr r0, [sp, #" ST_PARAM5 " + 4]\n"     // out
-        "   sub r8, r0\n"                           // curOut - out
-        "   asr r8, #2\n"                           // new outputIndex
-        "   ldr r0, [sp, #" ST_PARAM5 " + 0]\n"     // &outputIndex
-        "   str r8, [r0]\n"                         // save outputIndex
-
-        "   ldmfd   sp!, {r4, r5, r6, r7, r8, r9, r10, r11, r12, pc}\n"
-    );
-}
-
-#endif  // ASM_ARM_RESAMP1
-
-
-// ----------------------------------------------------------------------------
-}
-; // namespace android
-
diff --git a/libs/audioflinger/AudioResampler.h b/libs/audioflinger/AudioResampler.h
deleted file mode 100644
index 2dfac76..0000000
--- a/libs/audioflinger/AudioResampler.h
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_AUDIO_RESAMPLER_H
-#define ANDROID_AUDIO_RESAMPLER_H
-
-#include <stdint.h>
-#include <sys/types.h>
-
-#include "AudioBufferProvider.h"
-
-namespace android {
-// ----------------------------------------------------------------------------
-
-class AudioResampler {
-public:
-    // Determines quality of SRC.
-    //  LOW_QUALITY: linear interpolator (1st order)
-    //  MED_QUALITY: cubic interpolator (3rd order)
-    //  HIGH_QUALITY: fixed multi-tap FIR (e.g. 48KHz->44.1KHz)
-    // NOTE: high quality SRC will only be supported for
-    // certain fixed rate conversions. Sample rate cannot be
-    // changed dynamically. 
-    enum src_quality {
-        DEFAULT=0,
-        LOW_QUALITY=1,
-        MED_QUALITY=2,
-        HIGH_QUALITY=3
-    };
-
-    static AudioResampler* create(int bitDepth, int inChannelCount,
-            int32_t sampleRate, int quality=DEFAULT);
-
-    virtual ~AudioResampler();
-
-    virtual void init() = 0;
-    virtual void setSampleRate(int32_t inSampleRate);
-    virtual void setVolume(int16_t left, int16_t right);
-
-    virtual void resample(int32_t* out, size_t outFrameCount,
-            AudioBufferProvider* provider) = 0;
-
-protected:
-    // number of bits for phase fraction - 30 bits allows nearly 2x downsampling
-    static const int kNumPhaseBits = 30;
-
-    // phase mask for fraction
-    static const uint32_t kPhaseMask = (1LU<<kNumPhaseBits)-1;
-
-    // multiplier to calculate fixed point phase increment
-    static const double kPhaseMultiplier = 1L << kNumPhaseBits;
-
-    enum format {MONO_16_BIT, STEREO_16_BIT};
-    AudioResampler(int bitDepth, int inChannelCount, int32_t sampleRate);
-
-    // prevent copying
-    AudioResampler(const AudioResampler&);
-    AudioResampler& operator=(const AudioResampler&);
-
-    int32_t mBitDepth;
-    int32_t mChannelCount;
-    int32_t mSampleRate;
-    int32_t mInSampleRate;
-    AudioBufferProvider::Buffer mBuffer;
-    union {
-        int16_t mVolume[2];
-        uint32_t mVolumeRL;
-    };
-    int16_t mTargetVolume[2];
-    format mFormat;
-    size_t mInputIndex;
-    int32_t mPhaseIncrement;
-    uint32_t mPhaseFraction;
-};
-
-// ----------------------------------------------------------------------------
-}
-; // namespace android
-
-#endif // ANDROID_AUDIO_RESAMPLER_H
diff --git a/libs/audioflinger/AudioResamplerCubic.cpp b/libs/audioflinger/AudioResamplerCubic.cpp
deleted file mode 100644
index 1d247bd..0000000
--- a/libs/audioflinger/AudioResamplerCubic.cpp
+++ /dev/null
@@ -1,184 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdint.h>
-#include <string.h>
-#include <sys/types.h>
-#include <cutils/log.h>
-
-#include "AudioResampler.h"
-#include "AudioResamplerCubic.h"
-
-#define LOG_TAG "AudioSRC"
-
-namespace android {
-// ----------------------------------------------------------------------------
-
-void AudioResamplerCubic::init() {
-    memset(&left, 0, sizeof(state));
-    memset(&right, 0, sizeof(state));
-}
-
-void AudioResamplerCubic::resample(int32_t* out, size_t outFrameCount,
-        AudioBufferProvider* provider) {
-
-    // should never happen, but we overflow if it does
-    // LOG_ASSERT(outFrameCount < 32767);
-
-    // select the appropriate resampler
-    switch (mChannelCount) {
-    case 1:
-        resampleMono16(out, outFrameCount, provider);
-        break;
-    case 2:
-        resampleStereo16(out, outFrameCount, provider);
-        break;
-    }
-}
-
-void AudioResamplerCubic::resampleStereo16(int32_t* out, size_t outFrameCount,
-        AudioBufferProvider* provider) {
-
-    int32_t vl = mVolume[0];
-    int32_t vr = mVolume[1];
-
-    size_t inputIndex = mInputIndex;
-    uint32_t phaseFraction = mPhaseFraction;
-    uint32_t phaseIncrement = mPhaseIncrement;
-    size_t outputIndex = 0;
-    size_t outputSampleCount = outFrameCount * 2;
-    size_t inFrameCount = (outFrameCount*mInSampleRate)/mSampleRate;
-
-    // fetch first buffer
-    if (mBuffer.frameCount == 0) {
-        mBuffer.frameCount = inFrameCount;
-        provider->getNextBuffer(&mBuffer);
-        if (mBuffer.raw == NULL)
-            return;
-        // LOGW("New buffer: offset=%p, frames=%dn", mBuffer.raw, mBuffer.frameCount);
-    }
-    int16_t *in = mBuffer.i16;
-
-    while (outputIndex < outputSampleCount) {
-        int32_t sample;
-        int32_t x;
-
-        // calculate output sample
-        x = phaseFraction >> kPreInterpShift;
-        out[outputIndex++] += vl * interp(&left, x);
-        out[outputIndex++] += vr * interp(&right, x);
-        // out[outputIndex++] += vr * in[inputIndex*2];
-
-        // increment phase
-        phaseFraction += phaseIncrement;
-        uint32_t indexIncrement = (phaseFraction >> kNumPhaseBits);
-        phaseFraction &= kPhaseMask;
-
-        // time to fetch another sample
-        while (indexIncrement--) {
-
-            inputIndex++;
-            if (inputIndex == mBuffer.frameCount) {
-                inputIndex = 0;
-                provider->releaseBuffer(&mBuffer);
-                mBuffer.frameCount = inFrameCount;
-                provider->getNextBuffer(&mBuffer);
-                if (mBuffer.raw == NULL)
-                    goto save_state;  // ugly, but efficient
-                in = mBuffer.i16;
-                // LOGW("New buffer: offset=%p, frames=%d\n", mBuffer.raw, mBuffer.frameCount);
-            }
-
-            // advance sample state
-            advance(&left, in[inputIndex*2]);
-            advance(&right, in[inputIndex*2+1]);
-        }
-    }
-
-save_state:
-    // LOGW("Done: index=%d, fraction=%u", inputIndex, phaseFraction);
-    mInputIndex = inputIndex;
-    mPhaseFraction = phaseFraction;
-}
-
-void AudioResamplerCubic::resampleMono16(int32_t* out, size_t outFrameCount,
-        AudioBufferProvider* provider) {
-
-    int32_t vl = mVolume[0];
-    int32_t vr = mVolume[1];
-
-    size_t inputIndex = mInputIndex;
-    uint32_t phaseFraction = mPhaseFraction;
-    uint32_t phaseIncrement = mPhaseIncrement;
-    size_t outputIndex = 0;
-    size_t outputSampleCount = outFrameCount * 2;
-    size_t inFrameCount = (outFrameCount*mInSampleRate)/mSampleRate;
-
-    // fetch first buffer
-    if (mBuffer.frameCount == 0) {
-        mBuffer.frameCount = inFrameCount;
-        provider->getNextBuffer(&mBuffer);
-        if (mBuffer.raw == NULL)
-            return;
-        // LOGW("New buffer: offset=%p, frames=%d\n", mBuffer.raw, mBuffer.frameCount);
-    }
-    int16_t *in = mBuffer.i16;
-
-    while (outputIndex < outputSampleCount) {
-        int32_t sample;
-        int32_t x;
-
-        // calculate output sample
-        x = phaseFraction >> kPreInterpShift;
-        sample = interp(&left, x);
-        out[outputIndex++] += vl * sample;
-        out[outputIndex++] += vr * sample;
-
-        // increment phase
-        phaseFraction += phaseIncrement;
-        uint32_t indexIncrement = (phaseFraction >> kNumPhaseBits);
-        phaseFraction &= kPhaseMask;
-
-        // time to fetch another sample
-        while (indexIncrement--) {
-
-            inputIndex++;
-            if (inputIndex == mBuffer.frameCount) {
-                inputIndex = 0;
-                provider->releaseBuffer(&mBuffer);
-                mBuffer.frameCount = inFrameCount;
-                provider->getNextBuffer(&mBuffer);
-                if (mBuffer.raw == NULL)
-                    goto save_state;  // ugly, but efficient
-                // LOGW("New buffer: offset=%p, frames=%dn", mBuffer.raw, mBuffer.frameCount);
-                in = mBuffer.i16;
-            }
-
-            // advance sample state
-            advance(&left, in[inputIndex]);
-        }
-    }
-
-save_state:
-    // LOGW("Done: index=%d, fraction=%u", inputIndex, phaseFraction);
-    mInputIndex = inputIndex;
-    mPhaseFraction = phaseFraction;
-}
-
-// ----------------------------------------------------------------------------
-}
-; // namespace android
-
diff --git a/libs/audioflinger/AudioResamplerCubic.h b/libs/audioflinger/AudioResamplerCubic.h
deleted file mode 100644
index b72b62a..0000000
--- a/libs/audioflinger/AudioResamplerCubic.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_AUDIO_RESAMPLER_CUBIC_H
-#define ANDROID_AUDIO_RESAMPLER_CUBIC_H
-
-#include <stdint.h>
-#include <sys/types.h>
-#include <cutils/log.h>
-
-#include "AudioResampler.h"
-
-namespace android {
-// ----------------------------------------------------------------------------
-
-class AudioResamplerCubic : public AudioResampler {
-public:
-    AudioResamplerCubic(int bitDepth, int inChannelCount, int32_t sampleRate) :
-        AudioResampler(bitDepth, inChannelCount, sampleRate) {
-    }
-    virtual void resample(int32_t* out, size_t outFrameCount,
-            AudioBufferProvider* provider);
-private:
-    // number of bits used in interpolation multiply - 14 bits avoids overflow
-    static const int kNumInterpBits = 14;
-
-    // bits to shift the phase fraction down to avoid overflow
-    static const int kPreInterpShift = kNumPhaseBits - kNumInterpBits;
-    typedef struct {
-        int32_t a, b, c, y0, y1, y2, y3;
-    } state;
-    void init();
-    void resampleMono16(int32_t* out, size_t outFrameCount,
-            AudioBufferProvider* provider);
-    void resampleStereo16(int32_t* out, size_t outFrameCount,
-            AudioBufferProvider* provider);
-    static inline int32_t interp(state* p, int32_t x) {
-        return (((((p->a * x >> 14) + p->b) * x >> 14) + p->c) * x >> 14) + p->y1;
-    }
-    static inline void advance(state* p, int16_t in) {
-        p->y0 = p->y1;
-        p->y1 = p->y2;
-        p->y2 = p->y3;
-        p->y3 = in;
-        p->a = (3 * (p->y1 - p->y2) - p->y0 + p->y3) >> 1;            
-        p->b = (p->y2 << 1) + p->y0 - (((5 * p->y1 + p->y3)) >> 1);
-        p->c = (p->y2 - p->y0) >> 1;
-    }
-    state left, right;
-};
-
-// ----------------------------------------------------------------------------
-}; // namespace android
-
-#endif /*ANDROID_AUDIO_RESAMPLER_CUBIC_H*/
diff --git a/libs/audioflinger/AudioResamplerSinc.cpp b/libs/audioflinger/AudioResamplerSinc.cpp
deleted file mode 100644
index 9e5e254..0000000
--- a/libs/audioflinger/AudioResamplerSinc.cpp
+++ /dev/null
@@ -1,358 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <string.h>
-#include "AudioResamplerSinc.h"
-
-namespace android {
-// ----------------------------------------------------------------------------
-
-
-/*
- * These coeficients are computed with the "fir" utility found in
- * tools/resampler_tools
- * TODO: A good optimization would be to transpose this matrix, to take
- * better advantage of the data-cache.
- */
-const int32_t AudioResamplerSinc::mFirCoefsUp[] = {
-        0x7fffffff, 0x7f15d078, 0x7c5e0da6, 0x77ecd867, 0x71e2e251, 0x6a6c304a, 0x61be7269, 0x58170412, 0x4db8ab05, 0x42e92ea6, 0x37eee214, 0x2d0e3bb1, 0x22879366, 0x18951e95, 0x0f693d0d, 0x072d2621,
-        0x00000000, 0xf9f66655, 0xf51a5fd7, 0xf16bbd84, 0xeee0d9ac, 0xed67a922, 0xece70de6, 0xed405897, 0xee50e505, 0xeff3be30, 0xf203370f, 0xf45a6741, 0xf6d67d53, 0xf957db66, 0xfbc2f647, 0xfe00f2b9,
-        0x00000000, 0x01b37218, 0x0313a0c6, 0x041d930d, 0x04d28057, 0x053731b0, 0x05534dff, 0x05309bfd, 0x04da440d, 0x045c1aee, 0x03c1fcdd, 0x03173ef5, 0x02663ae8, 0x01b7f736, 0x0113ec79, 0x007fe6a9,
-        0x00000000, 0xff96b229, 0xff44f99f, 0xff0a86be, 0xfee5f803, 0xfed518fd, 0xfed521fd, 0xfee2f4fd, 0xfefb54f8, 0xff1b159b, 0xff3f4203, 0xff6539e0, 0xff8ac502, 0xffae1ddd, 0xffcdf3f9, 0xffe96798,
-        0x00000000, 0x00119de6, 0x001e6b7e, 0x0026cb7a, 0x002b4830, 0x002c83d6, 0x002b2a82, 0x0027e67a, 0x002356f9, 0x001e098e, 0x001875e4, 0x0012fbbe, 0x000de2d1, 0x00095c10, 0x00058414, 0x00026636,
-        0x00000000, 0xfffe44a9, 0xfffd206d, 0xfffc7b7f, 0xfffc3c8f, 0xfffc4ac2, 0xfffc8f2b, 0xfffcf5c4, 0xfffd6df3, 0xfffdeab2, 0xfffe6275, 0xfffececf, 0xffff2c07, 0xffff788c, 0xffffb471, 0xffffe0f2,
-        0x00000000, 0x000013e6, 0x00001f03, 0x00002396, 0x00002399, 0x000020b6, 0x00001c3c, 0x00001722, 0x00001216, 0x00000d81, 0x0000099c, 0x0000067c, 0x00000419, 0x0000025f, 0x00000131, 0x00000070,
-        0x00000000, 0xffffffc7, 0xffffffb3, 0xffffffb3, 0xffffffbe, 0xffffffcd, 0xffffffdb, 0xffffffe7, 0xfffffff0, 0xfffffff7, 0xfffffffb, 0xfffffffe, 0xffffffff, 0x00000000, 0x00000000, 0x00000000,
-        0x00000000 // this one is needed for lerping the last coefficient
-};
-
-/*
- * These coefficients are optimized for 48KHz -> 44.1KHz (stop-band at 22.050KHz)
- * It's possible to use the above coefficient for any down-sampling
- * at the expense of a slower processing loop (we can interpolate
- * these coefficient from the above by "Stretching" them in time).
- */
-const int32_t AudioResamplerSinc::mFirCoefsDown[] = {
-        0x7fffffff, 0x7f55e46d, 0x7d5b4c60, 0x7a1b4b98, 0x75a7fb14, 0x7019f0bd, 0x698f875a, 0x622bfd59, 0x5a167256, 0x5178cc54, 0x487e8e6c, 0x3f53aae8, 0x36235ad4, 0x2d17047b, 0x245539ab, 0x1c00d540,
-        0x14383e57, 0x0d14d5ca, 0x06aa910b, 0x0107c38b, 0xfc351654, 0xf835abae, 0xf5076b45, 0xf2a37202, 0xf0fe9faa, 0xf00a3bbd, 0xefb4aa81, 0xefea2b05, 0xf0959716, 0xf1a11e83, 0xf2f6f7a0, 0xf481fff4,
-        0xf62e48ce, 0xf7e98ca5, 0xf9a38b4c, 0xfb4e4bfa, 0xfcde456f, 0xfe4a6d30, 0xff8c2fdf, 0x009f5555, 0x0181d393, 0x0233940f, 0x02b62f06, 0x030ca07d, 0x033afa62, 0x03461725, 0x03334f83, 0x030835fa,
-        0x02ca59cc, 0x027f12d1, 0x022b570d, 0x01d39a49, 0x017bb78f, 0x0126e414, 0x00d7aaaf, 0x008feec7, 0x0050f584, 0x001b73e3, 0xffefa063, 0xffcd46ed, 0xffb3ddcd, 0xffa29aaa, 0xff988691, 0xff949066,
-        0xff959d24, 0xff9a959e, 0xffa27195, 0xffac4011, 0xffb72d2b, 0xffc28569, 0xffcdb706, 0xffd85171, 0xffe20364, 0xffea97e9, 0xfff1f2b2, 0xfff80c06, 0xfffcec92, 0x0000a955, 0x00035fd8, 0x000532cf,
-        0x00064735, 0x0006c1f9, 0x0006c62d, 0x000673ba, 0x0005e68f, 0x00053630, 0x000475a3, 0x0003b397, 0x0002fac1, 0x00025257, 0x0001be9e, 0x0001417a, 0x0000dafd, 0x000089eb, 0x00004c28, 0x00001f1d,
-        0x00000000, 0xffffec10, 0xffffe0be, 0xffffdbc5, 0xffffdb39, 0xffffdd8b, 0xffffe182, 0xffffe638, 0xffffeb0a, 0xffffef8f, 0xfffff38b, 0xfffff6e3, 0xfffff993, 0xfffffba6, 0xfffffd30, 0xfffffe4a,
-        0xffffff09, 0xffffff85, 0xffffffd1, 0xfffffffb, 0x0000000f, 0x00000016, 0x00000015, 0x00000012, 0x0000000d, 0x00000009, 0x00000006, 0x00000003, 0x00000002, 0x00000001, 0x00000000, 0x00000000,
-        0x00000000 // this one is needed for lerping the last coefficient
-};
-
-// ----------------------------------------------------------------------------
-
-static inline
-int32_t mulRL(int left, int32_t in, uint32_t vRL)
-{
-#if defined(__arm__) && !defined(__thumb__)
-    int32_t out;
-    if (left) {
-        asm( "smultb %[out], %[in], %[vRL] \n"
-             : [out]"=r"(out)
-             : [in]"%r"(in), [vRL]"r"(vRL)
-             : );
-    } else {
-        asm( "smultt %[out], %[in], %[vRL] \n"
-             : [out]"=r"(out)
-             : [in]"%r"(in), [vRL]"r"(vRL)
-             : );
-    }
-    return out;
-#else
-    if (left) {
-        return int16_t(in>>16) * int16_t(vRL&0xFFFF);
-    } else {
-        return int16_t(in>>16) * int16_t(vRL>>16);
-    }
-#endif
-}
-
-static inline
-int32_t mulAdd(int16_t in, int32_t v, int32_t a)
-{
-#if defined(__arm__) && !defined(__thumb__)
-    int32_t out;
-    asm( "smlawb %[out], %[v], %[in], %[a] \n"
-         : [out]"=r"(out)
-         : [in]"%r"(in), [v]"r"(v), [a]"r"(a)
-         : );
-    return out;
-#else
-    return a + in * (v>>16);
-    // improved precision
-    // return a + in * (v>>16) + ((in * (v & 0xffff)) >> 16);
-#endif
-}
-
-static inline
-int32_t mulAddRL(int left, uint32_t inRL, int32_t v, int32_t a)
-{
-#if defined(__arm__) && !defined(__thumb__)
-    int32_t out;
-    if (left) {
-        asm( "smlawb %[out], %[v], %[inRL], %[a] \n"
-             : [out]"=r"(out)
-             : [inRL]"%r"(inRL), [v]"r"(v), [a]"r"(a)
-             : );
-    } else {
-        asm( "smlawt %[out], %[v], %[inRL], %[a] \n"
-             : [out]"=r"(out)
-             : [inRL]"%r"(inRL), [v]"r"(v), [a]"r"(a)
-             : );
-    }
-    return out;
-#else
-    if (left) {
-        return a + (int16_t(inRL&0xFFFF) * (v>>16));
-        //improved precision
-        // return a + (int16_t(inRL&0xFFFF) * (v>>16)) + ((int16_t(inRL&0xFFFF) * (v & 0xffff)) >> 16);
-    } else {
-        return a + (int16_t(inRL>>16) * (v>>16));
-    }
-#endif
-}
-
-// ----------------------------------------------------------------------------
-
-AudioResamplerSinc::AudioResamplerSinc(int bitDepth,
-        int inChannelCount, int32_t sampleRate)
-    : AudioResampler(bitDepth, inChannelCount, sampleRate),
-    mState(0)
-{
-    /*
-     * Layout of the state buffer for 32 tap:
-     *
-     * "present" sample            beginning of 2nd buffer
-     *                 v                v
-     *  0              01               2              23              3
-     *  0              F0               0              F0              F
-     * [pppppppppppppppInnnnnnnnnnnnnnnnpppppppppppppppInnnnnnnnnnnnnnnn]
-     *                 ^               ^ head
-     *
-     * p = past samples, convoluted with the (p)ositive side of sinc()
-     * n = future samples, convoluted with the (n)egative side of sinc()
-     * r = extra space for implementing the ring buffer
-     *
-     */
-
-    const size_t numCoefs = 2*halfNumCoefs;
-    const size_t stateSize = numCoefs * inChannelCount * 2;
-    mState = new int16_t[stateSize];
-    memset(mState, 0, sizeof(int16_t)*stateSize);
-    mImpulse = mState + (halfNumCoefs-1)*inChannelCount;
-    mRingFull = mImpulse + (numCoefs+1)*inChannelCount;
-}
-
-AudioResamplerSinc::~AudioResamplerSinc()
-{
-    delete [] mState;
-}
-
-void AudioResamplerSinc::init() {
-}
-
-void AudioResamplerSinc::resample(int32_t* out, size_t outFrameCount,
-            AudioBufferProvider* provider)
-{
-    mFirCoefs = (mInSampleRate <= mSampleRate) ? mFirCoefsUp : mFirCoefsDown;
-
-    // select the appropriate resampler
-    switch (mChannelCount) {
-    case 1:
-        resample<1>(out, outFrameCount, provider);
-        break;
-    case 2:
-        resample<2>(out, outFrameCount, provider);
-        break;
-    }
-}
-
-
-template<int CHANNELS>
-void AudioResamplerSinc::resample(int32_t* out, size_t outFrameCount,
-        AudioBufferProvider* provider)
-{
-    int16_t* impulse = mImpulse;
-    uint32_t vRL = mVolumeRL;
-    size_t inputIndex = mInputIndex;
-    uint32_t phaseFraction = mPhaseFraction;
-    uint32_t phaseIncrement = mPhaseIncrement;
-    size_t outputIndex = 0;
-    size_t outputSampleCount = outFrameCount * 2;
-    size_t inFrameCount = (outFrameCount*mInSampleRate)/mSampleRate;
-
-    AudioBufferProvider::Buffer& buffer(mBuffer);
-    while (outputIndex < outputSampleCount) {
-        // buffer is empty, fetch a new one
-        while (buffer.frameCount == 0) {
-            buffer.frameCount = inFrameCount;
-            provider->getNextBuffer(&buffer);
-            if (buffer.raw == NULL) {
-                goto resample_exit;
-            }
-            const uint32_t phaseIndex = phaseFraction >> kNumPhaseBits;
-            if (phaseIndex == 1) {
-                // read one frame
-                read<CHANNELS>(impulse, phaseFraction, buffer.i16, inputIndex);
-            } else if (phaseIndex == 2) {
-                // read 2 frames
-                read<CHANNELS>(impulse, phaseFraction, buffer.i16, inputIndex);
-                inputIndex++;
-                if (inputIndex >= mBuffer.frameCount) {
-                    inputIndex -= mBuffer.frameCount;
-                    provider->releaseBuffer(&buffer);
-                } else {
-                    read<CHANNELS>(impulse, phaseFraction, buffer.i16, inputIndex);
-                }
-           }
-        }
-        int16_t *in = buffer.i16;
-        const size_t frameCount = buffer.frameCount;
-
-        // Always read-in the first samples from the input buffer
-        int16_t* head = impulse + halfNumCoefs*CHANNELS;
-        head[0] = in[inputIndex*CHANNELS + 0];
-        if (CHANNELS == 2)
-            head[1] = in[inputIndex*CHANNELS + 1];
-
-        // handle boundary case
-        int32_t l, r;
-        while (outputIndex < outputSampleCount) {
-            filterCoefficient<CHANNELS>(l, r, phaseFraction, impulse);
-            out[outputIndex++] += 2 * mulRL(1, l, vRL);
-            out[outputIndex++] += 2 * mulRL(0, r, vRL);
-
-            phaseFraction += phaseIncrement;
-            const uint32_t phaseIndex = phaseFraction >> kNumPhaseBits;
-            if (phaseIndex == 1) {
-                inputIndex++;
-                if (inputIndex >= frameCount)
-                    break;  // need a new buffer
-                read<CHANNELS>(impulse, phaseFraction, in, inputIndex);
-            } else if(phaseIndex == 2) {    // maximum value
-                inputIndex++;
-                if (inputIndex >= frameCount)
-                    break;  // 0 frame available, 2 frames needed
-                // read first frame
-                read<CHANNELS>(impulse, phaseFraction, in, inputIndex);
-                inputIndex++;
-                if (inputIndex >= frameCount)
-                    break;  // 0 frame available, 1 frame needed
-                // read second frame
-                read<CHANNELS>(impulse, phaseFraction, in, inputIndex);
-            }
-        }
-
-        // if done with buffer, save samples
-        if (inputIndex >= frameCount) {
-            inputIndex -= frameCount;
-            provider->releaseBuffer(&buffer);
-        }
-    }
-
-resample_exit:
-    mImpulse = impulse;
-    mInputIndex = inputIndex;
-    mPhaseFraction = phaseFraction;
-}
-
-template<int CHANNELS>
-/***
-* read()
-*
-* This function reads only one frame from input buffer and writes it in
-* state buffer
-*
-**/
-void AudioResamplerSinc::read(
-        int16_t*& impulse, uint32_t& phaseFraction,
-        int16_t const* in, size_t inputIndex)
-{
-    const uint32_t phaseIndex = phaseFraction >> kNumPhaseBits;
-    impulse += CHANNELS;
-    phaseFraction -= 1LU<<kNumPhaseBits;
-    if (impulse >= mRingFull) {
-        const size_t stateSize = (halfNumCoefs*2)*CHANNELS;
-        memcpy(mState, mState+stateSize, sizeof(int16_t)*stateSize);
-        impulse -= stateSize;
-    }
-    int16_t* head = impulse + halfNumCoefs*CHANNELS;
-    head[0] = in[inputIndex*CHANNELS + 0];
-    if (CHANNELS == 2)
-        head[1] = in[inputIndex*CHANNELS + 1];
-}
-
-template<int CHANNELS>
-void AudioResamplerSinc::filterCoefficient(
-        int32_t& l, int32_t& r, uint32_t phase, int16_t const *samples)
-{
-    // compute the index of the coefficient on the positive side and
-    // negative side
-    uint32_t indexP = (phase & cMask) >> cShift;
-    uint16_t lerpP  = (phase & pMask) >> pShift;
-    uint32_t indexN = (-phase & cMask) >> cShift;
-    uint16_t lerpN  = (-phase & pMask) >> pShift;
-    if ((indexP == 0) && (lerpP == 0)) {
-        indexN = cMask >> cShift;
-        lerpN = pMask >> pShift;
-    }
-
-    l = 0;
-    r = 0;
-    int32_t const* coefs = mFirCoefs;
-    int16_t const *sP = samples;
-    int16_t const *sN = samples+CHANNELS;
-    for (unsigned int i=0 ; i<halfNumCoefs/4 ; i++) {
-        interpolate<CHANNELS>(l, r, coefs+indexP, lerpP, sP);
-        interpolate<CHANNELS>(l, r, coefs+indexN, lerpN, sN);
-        sP -= CHANNELS; sN += CHANNELS; coefs += 1<<coefsBits;
-        interpolate<CHANNELS>(l, r, coefs+indexP, lerpP, sP);
-        interpolate<CHANNELS>(l, r, coefs+indexN, lerpN, sN);
-        sP -= CHANNELS; sN += CHANNELS; coefs += 1<<coefsBits;
-        interpolate<CHANNELS>(l, r, coefs+indexP, lerpP, sP);
-        interpolate<CHANNELS>(l, r, coefs+indexN, lerpN, sN);
-        sP -= CHANNELS; sN += CHANNELS; coefs += 1<<coefsBits;
-        interpolate<CHANNELS>(l, r, coefs+indexP, lerpP, sP);
-        interpolate<CHANNELS>(l, r, coefs+indexN, lerpN, sN);
-        sP -= CHANNELS; sN += CHANNELS; coefs += 1<<coefsBits;
-    }
-}
-
-template<int CHANNELS>
-void AudioResamplerSinc::interpolate(
-        int32_t& l, int32_t& r,
-        int32_t const* coefs, int16_t lerp, int16_t const* samples)
-{
-    int32_t c0 = coefs[0];
-    int32_t c1 = coefs[1];
-    int32_t sinc = mulAdd(lerp, (c1-c0)<<1, c0);
-    if (CHANNELS == 2) {
-        uint32_t rl = *reinterpret_cast<uint32_t const*>(samples);
-        l = mulAddRL(1, rl, sinc, l);
-        r = mulAddRL(0, rl, sinc, r);
-    } else {
-        r = l = mulAdd(samples[0], sinc, l);
-    }
-}
-
-// ----------------------------------------------------------------------------
-}; // namespace android
-
diff --git a/libs/audioflinger/AudioResamplerSinc.h b/libs/audioflinger/AudioResamplerSinc.h
deleted file mode 100644
index e6cb90b..0000000
--- a/libs/audioflinger/AudioResamplerSinc.h
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_AUDIO_RESAMPLER_SINC_H
-#define ANDROID_AUDIO_RESAMPLER_SINC_H
-
-#include <stdint.h>
-#include <sys/types.h>
-#include <cutils/log.h>
-
-#include "AudioResampler.h"
-
-namespace android {
-
-// ----------------------------------------------------------------------------
-
-class AudioResamplerSinc : public AudioResampler {
-public:
-    AudioResamplerSinc(int bitDepth, int inChannelCount, int32_t sampleRate);
-
-    ~AudioResamplerSinc();
-
-    virtual void resample(int32_t* out, size_t outFrameCount,
-            AudioBufferProvider* provider);
-private:
-    void init();
-
-    template<int CHANNELS>
-    void resample(int32_t* out, size_t outFrameCount,
-            AudioBufferProvider* provider);
-
-    template<int CHANNELS>
-    inline void filterCoefficient(
-            int32_t& l, int32_t& r, uint32_t phase, int16_t const *samples);
-
-    template<int CHANNELS>
-    inline void interpolate(
-            int32_t& l, int32_t& r,
-            int32_t const* coefs, int16_t lerp, int16_t const* samples);
-
-    template<int CHANNELS>
-    inline void read(int16_t*& impulse, uint32_t& phaseFraction,
-            int16_t const* in, size_t inputIndex);
-
-    int16_t *mState;
-    int16_t *mImpulse;
-    int16_t *mRingFull;
-
-    int32_t const * mFirCoefs;
-    static const int32_t mFirCoefsDown[];
-    static const int32_t mFirCoefsUp[];
-
-    // ----------------------------------------------------------------------------
-    static const int32_t RESAMPLE_FIR_NUM_COEF       = 8;
-    static const int32_t RESAMPLE_FIR_LERP_INT_BITS  = 4;
-
-    // we have 16 coefs samples per zero-crossing
-    static const int coefsBits = RESAMPLE_FIR_LERP_INT_BITS;        // 4
-    static const int cShift = kNumPhaseBits - coefsBits;            // 26
-    static const uint32_t cMask  = ((1<<coefsBits)-1) << cShift;    // 0xf<<26 = 3c00 0000
-
-    // and we use 15 bits to interpolate between these samples
-    // this cannot change because the mul below rely on it.
-    static const int pLerpBits = 15;
-    static const int pShift = kNumPhaseBits - coefsBits - pLerpBits;    // 11
-    static const uint32_t pMask  = ((1<<pLerpBits)-1) << pShift;    // 0x7fff << 11
-
-    // number of zero-crossing on each side
-    static const unsigned int halfNumCoefs = RESAMPLE_FIR_NUM_COEF;
-};
-
-// ----------------------------------------------------------------------------
-}; // namespace android
-
-#endif /*ANDROID_AUDIO_RESAMPLER_SINC_H*/
diff --git a/libs/binder/IPCThreadState.cpp b/libs/binder/IPCThreadState.cpp
index 0016503..f6582e6 100644
--- a/libs/binder/IPCThreadState.cpp
+++ b/libs/binder/IPCThreadState.cpp
@@ -367,6 +367,16 @@
     return token;
 }
 
+void IPCThreadState::setStrictModePolicy(int32_t policy)
+{
+    mStrictModePolicy = policy;
+}
+
+int32_t IPCThreadState::getStrictModePolicy() const
+{
+    return mStrictModePolicy;
+}
+
 void IPCThreadState::restoreCallingIdentity(int64_t token)
 {
     mCallingUid = (int)(token>>32);
@@ -588,7 +598,8 @@
 }
 
 IPCThreadState::IPCThreadState()
-    : mProcess(ProcessState::self()), mMyThreadId(androidGetTid())
+    : mProcess(ProcessState::self()), mMyThreadId(androidGetTid()),
+      mStrictModePolicy(0)
 {
     pthread_setspecific(gTLS, this);
     clearCaller();
diff --git a/libs/binder/IPermissionController.cpp b/libs/binder/IPermissionController.cpp
index bff4c9b..e13036f 100644
--- a/libs/binder/IPermissionController.cpp
+++ b/libs/binder/IPermissionController.cpp
@@ -36,7 +36,7 @@
         : BpInterface<IPermissionController>(impl)
     {
     }
-        
+
     virtual bool checkPermission(const String16& permission, int32_t pid, int32_t uid)
     {
         Parcel data, reply;
@@ -46,7 +46,7 @@
         data.writeInt32(uid);
         remote()->transact(CHECK_PERMISSION_TRANSACTION, data, &reply);
         // fail on exception
-        if (reply.readInt32() != 0) return 0;
+        if (reply.readExceptionCode() != 0) return 0;
         return reply.readInt32() != 0;
     }
 };
@@ -66,8 +66,7 @@
             int32_t pid = data.readInt32();
             int32_t uid = data.readInt32();
             bool res = checkPermission(permission, pid, uid);
-            // write exception
-            reply->writeInt32(0);
+            reply->writeNoException();
             reply->writeInt32(res ? 1 : 0);
             return NO_ERROR;
         } break;
@@ -77,4 +76,3 @@
 }
 
 }; // namespace android
-
diff --git a/libs/binder/IServiceManager.cpp b/libs/binder/IServiceManager.cpp
index 0cf4158..1fa4c35 100644
--- a/libs/binder/IServiceManager.cpp
+++ b/libs/binder/IServiceManager.cpp
@@ -129,19 +129,19 @@
         : BpInterface<IServiceManager>(impl)
     {
     }
-        
+
     virtual sp<IBinder> getService(const String16& name) const
     {
         unsigned n;
         for (n = 0; n < 5; n++){
             sp<IBinder> svc = checkService(name);
             if (svc != NULL) return svc;
-            LOGI("Waiting for sevice %s...\n", String8(name).string());
+            LOGI("Waiting for service %s...\n", String8(name).string());
             sleep(1);
         }
         return NULL;
     }
-    
+
     virtual sp<IBinder> checkService( const String16& name) const
     {
         Parcel data, reply;
@@ -158,7 +158,7 @@
         data.writeString16(name);
         data.writeStrongBinder(service);
         status_t err = remote()->transact(ADD_SERVICE_TRANSACTION, data, &reply);
-        return err == NO_ERROR ? reply.readInt32() : err;
+        return err == NO_ERROR ? reply.readExceptionCode() : err;
     }
 
     virtual Vector<String16> listServices()
@@ -226,4 +226,3 @@
 }
 
 }; // namespace android
-
diff --git a/libs/binder/Parcel.cpp b/libs/binder/Parcel.cpp
index 00d2210..60babad 100644
--- a/libs/binder/Parcel.cpp
+++ b/libs/binder/Parcel.cpp
@@ -19,6 +19,7 @@
 
 #include <binder/Parcel.h>
 
+#include <binder/IPCThreadState.h>
 #include <binder/Binder.h>
 #include <binder/BpBinder.h>
 #include <utils/Debug.h>
@@ -47,6 +48,12 @@
 
 #define PAD_SIZE(s) (((s)+3)&~3)
 
+// Note: must be kept in sync with android/os/StrictMode.java's PENALTY_GATHER
+#define STRICT_MODE_PENALTY_GATHER 0x100
+
+// Note: must be kept in sync with android/os/Parcel.java's EX_HAS_REPLY_HEADER
+#define EX_HAS_REPLY_HEADER -128
+
 // XXX This can be made public if we want to provide
 // support for typed data.
 struct small_flat_data
@@ -436,19 +443,28 @@
     return mHasFds;
 }
 
+// Write RPC headers.  (previously just the interface token)
 status_t Parcel::writeInterfaceToken(const String16& interface)
 {
+    writeInt32(IPCThreadState::self()->getStrictModePolicy() |
+               STRICT_MODE_PENALTY_GATHER);
     // currently the interface identification token is just its name as a string
     return writeString16(interface);
 }
 
 bool Parcel::checkInterface(IBinder* binder) const
 {
-    return enforceInterface(binder->getInterfaceDescriptor()); 
+    return enforceInterface(binder->getInterfaceDescriptor());
 }
 
-bool Parcel::enforceInterface(const String16& interface) const
+bool Parcel::enforceInterface(const String16& interface,
+                              int32_t* strict_policy_out) const
 {
+    int32_t strict_policy = readInt32();
+    IPCThreadState::self()->setStrictModePolicy(strict_policy);
+    if (strict_policy_out != NULL) {
+      *strict_policy_out = strict_policy;
+    }
     const String16 str(readString16());
     if (str == interface) {
         return true;
@@ -457,7 +473,7 @@
                 String8(interface).string(), String8(str).string());
         return false;
     }
-} 
+}
 
 const size_t* Parcel::objects() const
 {
@@ -750,6 +766,11 @@
     goto restart_write;
 }
 
+status_t Parcel::writeNoException()
+{
+    return writeInt32(0);
+}
+
 void Parcel::remove(size_t start, size_t amt)
 {
     LOG_ALWAYS_FATAL("Parcel::remove() not yet implemented!");
@@ -938,6 +959,20 @@
     return val;
 }
 
+int32_t Parcel::readExceptionCode() const
+{
+  int32_t exception_code = readAligned<int32_t>();
+  if (exception_code == EX_HAS_REPLY_HEADER) {
+    int32_t header_size = readAligned<int32_t>();
+    // Skip over fat responses headers.  Not used (or propagated) in
+    // native code
+    setDataPosition(dataPosition() + header_size);
+    // And fat response headers are currently only used when there are no
+    // exceptions, so return no error:
+    return 0;
+  }
+  return exception_code;
+}
 
 native_handle* Parcel::readNativeHandle() const
 {
diff --git a/libs/gui/Android.mk b/libs/gui/Android.mk
new file mode 100644
index 0000000..249558a
--- /dev/null
+++ b/libs/gui/Android.mk
@@ -0,0 +1,25 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+	ISensorEventConnection.cpp \
+	ISensorServer.cpp \
+	Sensor.cpp \
+	SensorChannel.cpp \
+	SensorEventQueue.cpp \
+	SensorManager.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+	libcutils \
+	libutils \
+	libbinder \
+	libhardware \
+	libhardware_legacy
+
+LOCAL_MODULE:= libgui
+
+ifeq ($(TARGET_SIMULATOR),true)
+    LOCAL_LDLIBS += -lpthread
+endif
+
+include $(BUILD_SHARED_LIBRARY)
diff --git a/libs/gui/ISensorEventConnection.cpp b/libs/gui/ISensorEventConnection.cpp
new file mode 100644
index 0000000..3e9d456
--- /dev/null
+++ b/libs/gui/ISensorEventConnection.cpp
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/RefBase.h>
+#include <utils/Timers.h>
+
+#include <binder/Parcel.h>
+#include <binder/IInterface.h>
+
+#include <gui/ISensorEventConnection.h>
+#include <gui/SensorChannel.h>
+
+namespace android {
+// ----------------------------------------------------------------------------
+
+enum {
+    GET_SENSOR_CHANNEL = IBinder::FIRST_CALL_TRANSACTION,
+    ENABLE_DISABLE,
+    SET_EVENT_RATE
+};
+
+class BpSensorEventConnection : public BpInterface<ISensorEventConnection>
+{
+public:
+    BpSensorEventConnection(const sp<IBinder>& impl)
+        : BpInterface<ISensorEventConnection>(impl)
+    {
+    }
+
+    virtual sp<SensorChannel> getSensorChannel() const
+    {
+        Parcel data, reply;
+        remote()->transact(GET_SENSOR_CHANNEL, data, &reply);
+        return new SensorChannel(reply);
+    }
+
+    virtual status_t enableDisable(int handle, bool enabled)
+    {
+        Parcel data, reply;
+        data.writeInt32(handle);
+        data.writeInt32(enabled);
+        remote()->transact(ENABLE_DISABLE, data, &reply);
+        return reply.readInt32();
+    }
+
+    virtual status_t setEventRate(int handle, nsecs_t ns)
+    {
+        Parcel data, reply;
+        data.writeInt32(handle);
+        data.writeInt64(ns);
+        remote()->transact(SET_EVENT_RATE, data, &reply);
+        return reply.readInt32();
+    }
+};
+
+IMPLEMENT_META_INTERFACE(SensorEventConnection, "android.gui.SensorEventConnection");
+
+// ----------------------------------------------------------------------------
+
+status_t BnSensorEventConnection::onTransact(
+    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+    switch(code) {
+        case GET_SENSOR_CHANNEL: {
+            CHECK_INTERFACE(ISensorEventConnection, data, reply);
+            sp<SensorChannel> channel(getSensorChannel());
+            channel->writeToParcel(reply);
+            return NO_ERROR;
+        } break;
+        case ENABLE_DISABLE: {
+            CHECK_INTERFACE(ISensorEventConnection, data, reply);
+            int handle = data.readInt32();
+            int enabled = data.readInt32();
+            status_t result = enableDisable(handle, enabled);
+            reply->writeInt32(result);
+            return NO_ERROR;
+        } break;
+        case SET_EVENT_RATE: {
+            CHECK_INTERFACE(ISensorEventConnection, data, reply);
+            int handle = data.readInt32();
+            int ns = data.readInt64();
+            status_t result = setEventRate(handle, ns);
+            reply->writeInt32(result);
+            return NO_ERROR;
+        } break;
+    }
+    return BBinder::onTransact(code, data, reply, flags);
+}
+
+// ----------------------------------------------------------------------------
+}; // namespace android
diff --git a/libs/gui/ISensorServer.cpp b/libs/gui/ISensorServer.cpp
new file mode 100644
index 0000000..c6177bc
--- /dev/null
+++ b/libs/gui/ISensorServer.cpp
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/RefBase.h>
+#include <utils/Vector.h>
+#include <utils/Timers.h>
+
+#include <binder/Parcel.h>
+#include <binder/IInterface.h>
+
+#include <gui/Sensor.h>
+#include <gui/ISensorServer.h>
+#include <gui/ISensorEventConnection.h>
+
+namespace android {
+// ----------------------------------------------------------------------------
+
+enum {
+    GET_SENSOR_LIST = IBinder::FIRST_CALL_TRANSACTION,
+    CREATE_SENSOR_EVENT_CONNECTION,
+};
+
+class BpSensorServer : public BpInterface<ISensorServer>
+{
+public:
+    BpSensorServer(const sp<IBinder>& impl)
+        : BpInterface<ISensorServer>(impl)
+    {
+    }
+
+    virtual Vector<Sensor> getSensorList()
+    {
+        Parcel data, reply;
+        remote()->transact(GET_SENSOR_LIST, data, &reply);
+        Sensor s;
+        Vector<Sensor> v;
+        int32_t n = reply.readInt32();
+        v.setCapacity(n);
+        while (n--) {
+            reply.read(static_cast<Flattenable&>(s));
+            v.add(s);
+        }
+        return v;
+    }
+
+    virtual sp<ISensorEventConnection> createSensorEventConnection()
+    {
+        Parcel data, reply;
+        remote()->transact(CREATE_SENSOR_EVENT_CONNECTION, data, &reply);
+        return interface_cast<ISensorEventConnection>(reply.readStrongBinder());
+    }
+};
+
+IMPLEMENT_META_INTERFACE(SensorServer, "android.gui.SensorServer");
+
+// ----------------------------------------------------------------------
+
+status_t BnSensorServer::onTransact(
+    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+    switch(code) {
+        case GET_SENSOR_LIST: {
+            CHECK_INTERFACE(ISensorServer, data, reply);
+            Vector<Sensor> v(getSensorList());
+            size_t n = v.size();
+            reply->writeInt32(n);
+            for (size_t i=0 ; i<n ; i++) {
+                reply->write(static_cast<const Flattenable&>(v[i]));
+            }
+            return NO_ERROR;
+        } break;
+        case CREATE_SENSOR_EVENT_CONNECTION: {
+            CHECK_INTERFACE(ISensorServer, data, reply);
+            sp<ISensorEventConnection> connection(createSensorEventConnection());
+            reply->writeStrongBinder(connection->asBinder());
+            return NO_ERROR;
+        } break;
+    }
+    return BBinder::onTransact(code, data, reply, flags);
+}
+
+// ----------------------------------------------------------------------------
+}; // namespace android
diff --git a/libs/gui/Sensor.cpp b/libs/gui/Sensor.cpp
new file mode 100644
index 0000000..1fdd285
--- /dev/null
+++ b/libs/gui/Sensor.cpp
@@ -0,0 +1,165 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/String8.h>
+#include <utils/Flattenable.h>
+
+#include <hardware/sensors.h>
+
+#include <gui/Sensor.h>
+
+// ----------------------------------------------------------------------------
+namespace android {
+// ----------------------------------------------------------------------------
+
+Sensor::Sensor()
+    : mHandle(0), mType(0),
+      mMinValue(0), mMaxValue(0), mResolution(0),
+      mPower(0)
+{
+}
+
+Sensor::~Sensor()
+{
+}
+
+const String8& Sensor::getName() const {
+    return mName;
+}
+
+const String8& Sensor::getVendor() const {
+    return mVendor;
+}
+
+int32_t Sensor::getHandle() const {
+    return mHandle;
+}
+
+int32_t Sensor::getType() const {
+    return mType;
+}
+
+float Sensor::getMinValue() const {
+    return mMinValue;
+}
+
+float Sensor::getMaxValue() const {
+    return mMaxValue;
+}
+
+float Sensor::getResolution() const {
+    return mResolution;
+}
+
+float Sensor::getPowerUsage() const {
+    return mPower;
+}
+
+size_t Sensor::getFlattenedSize() const
+{
+    return  sizeof(int32_t) + ((mName.length() + 3) & ~3) +
+            sizeof(int32_t) + ((mVendor.length() + 3) & ~3) +
+            sizeof(int32_t) * 2 +
+            sizeof(float) * 3;
+}
+
+size_t Sensor::getFdCount() const
+{
+    return 0;
+}
+
+static inline
+size_t write(void* buffer, size_t offset, const String8& value) {
+    memcpy(static_cast<char*>(buffer) + offset, value.string(), value.length());
+    return (value.length() + 3) & ~3;
+}
+
+static inline
+size_t write(void* buffer, size_t offset, float value) {
+    *reinterpret_cast<float*>(static_cast<char*>(buffer) + offset) = value;
+    return sizeof(float);
+}
+
+static inline
+size_t write(void* buffer, size_t offset, int32_t value) {
+    *reinterpret_cast<int32_t*>(static_cast<char*>(buffer) + offset) = value;
+    return sizeof(int32_t);
+}
+
+status_t Sensor::flatten(void* buffer, size_t size,
+        int fds[], size_t count) const
+{
+    if (size < Sensor::getFlattenedSize())
+        return -ENOMEM;
+
+    size_t offset = 0;
+    offset += write(buffer, offset, int32_t(mName.length()));
+    offset += write(buffer, offset, mName);
+    offset += write(buffer, offset, int32_t(mVendor.length()));
+    offset += write(buffer, offset, mVendor);
+    offset += write(buffer, offset, mHandle);
+    offset += write(buffer, offset, mType);
+    offset += write(buffer, offset, mMinValue);
+    offset += write(buffer, offset, mMaxValue);
+    offset += write(buffer, offset, mResolution);
+    offset += write(buffer, offset, mPower);
+
+    return NO_ERROR;
+}
+
+static inline
+size_t read(void const* buffer, size_t offset, String8* value, int32_t len) {
+    value->setTo(static_cast<char const*>(buffer) + offset, len);
+    return (len + 3) & ~3;
+}
+
+static inline
+size_t read(void const* buffer, size_t offset, float* value) {
+    *value = *reinterpret_cast<float const*>(static_cast<char const*>(buffer) + offset);
+    return sizeof(float);
+}
+
+static inline
+size_t read(void const* buffer, size_t offset, int32_t* value) {
+    *value = *reinterpret_cast<int32_t const*>(static_cast<char const*>(buffer) + offset);
+    return sizeof(int32_t);
+}
+
+status_t Sensor::unflatten(void const* buffer, size_t size,
+        int fds[], size_t count)
+{
+    int32_t len;
+    size_t offset = 0;
+    offset += read(buffer, offset, &len);
+    offset += read(buffer, offset, &mName, len);
+    offset += read(buffer, offset, &len);
+    offset += read(buffer, offset, &mVendor, len);
+    offset += read(buffer, offset, &mHandle);
+    offset += read(buffer, offset, &mType);
+    offset += read(buffer, offset, &mMinValue);
+    offset += read(buffer, offset, &mMaxValue);
+    offset += read(buffer, offset, &mResolution);
+    offset += read(buffer, offset, &mPower);
+
+    return NO_ERROR;
+}
+
+// ----------------------------------------------------------------------------
+}; // namespace android
diff --git a/libs/gui/SensorChannel.cpp b/libs/gui/SensorChannel.cpp
new file mode 100644
index 0000000..147e1c2
--- /dev/null
+++ b/libs/gui/SensorChannel.cpp
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <unistd.h>
+#include <fcntl.h>
+
+#include <utils/Errors.h>
+
+#include <binder/Parcel.h>
+
+#include <gui/SensorChannel.h>
+
+namespace android {
+// ----------------------------------------------------------------------------
+
+SensorChannel::SensorChannel()
+    : mSendFd(-1), mReceiveFd(-1)
+{
+    int fds[2];
+    if (pipe(fds) == 0) {
+        mReceiveFd = fds[0];
+        mSendFd = fds[1];
+        fcntl(mReceiveFd, F_SETFL, O_NONBLOCK);
+        fcntl(mSendFd, F_SETFL, O_NONBLOCK);
+    }
+}
+
+SensorChannel::SensorChannel(const Parcel& data)
+    : mSendFd(-1), mReceiveFd(-1)
+{
+    mReceiveFd = dup(data.readFileDescriptor());
+    fcntl(mReceiveFd, F_SETFL, O_NONBLOCK);
+}
+
+SensorChannel::~SensorChannel()
+{
+    if (mSendFd >= 0)
+        close(mSendFd);
+
+    if (mReceiveFd >= 0)
+        close(mReceiveFd);
+}
+
+int SensorChannel::getFd() const
+{
+    return mReceiveFd;
+}
+
+ssize_t SensorChannel::write(void const* vaddr, size_t size)
+{
+    ssize_t len = ::write(mSendFd, vaddr, size);
+    if (len < 0)
+        return -errno;
+    return len;
+}
+
+ssize_t SensorChannel::read(void* vaddr, size_t size)
+{
+    ssize_t len = ::read(mReceiveFd, vaddr, size);
+    if (len < 0)
+        return -errno;
+    return len;
+}
+
+status_t SensorChannel::writeToParcel(Parcel* reply) const
+{
+    if (mReceiveFd < 0)
+        return -EINVAL;
+
+    status_t result = reply->writeDupFileDescriptor(mReceiveFd);
+    close(mReceiveFd);
+    mReceiveFd = -1;
+    return result;
+}
+
+// ----------------------------------------------------------------------------
+}; // namespace android
diff --git a/libs/gui/SensorEventQueue.cpp b/libs/gui/SensorEventQueue.cpp
new file mode 100644
index 0000000..f922ac4
--- /dev/null
+++ b/libs/gui/SensorEventQueue.cpp
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/RefBase.h>
+
+#include <gui/Sensor.h>
+#include <gui/SensorChannel.h>
+#include <gui/SensorEventQueue.h>
+#include <gui/ISensorEventConnection.h>
+
+#include <android/sensor.h>
+
+// ----------------------------------------------------------------------------
+namespace android {
+// ----------------------------------------------------------------------------
+
+SensorEventQueue::SensorEventQueue(const sp<ISensorEventConnection>& connection)
+    : mSensorEventConnection(connection)
+{
+}
+
+SensorEventQueue::~SensorEventQueue()
+{
+}
+
+void SensorEventQueue::onFirstRef()
+{
+    mSensorChannel = mSensorEventConnection->getSensorChannel();
+}
+
+int SensorEventQueue::getFd() const
+{
+    return mSensorChannel->getFd();
+}
+
+ssize_t SensorEventQueue::write(ASensorEvent const* events, size_t numEvents)
+{
+    ssize_t size = mSensorChannel->write(events, numEvents * sizeof(events[0]));
+    if (size >= 0) {
+        if (size % sizeof(events[0])) {
+            // partial write!!! should never happen.
+            return -EINVAL;
+        }
+        // returns number of events written
+        size /= sizeof(events[0]);
+    }
+    return size;
+}
+
+ssize_t SensorEventQueue::read(ASensorEvent* events, size_t numEvents)
+{
+    ssize_t size = mSensorChannel->read(events, numEvents*sizeof(events[0]));
+    if (size >= 0) {
+        if (size % sizeof(events[0])) {
+            // partial write!!! should never happen.
+            return -EINVAL;
+        }
+        // returns number of events read
+        size /= sizeof(events[0]);
+    }
+    return size;
+}
+
+status_t SensorEventQueue::enableSensor(Sensor const* sensor) const
+{
+    return mSensorEventConnection->enableDisable(sensor->getHandle(), true);
+}
+
+status_t SensorEventQueue::disableSensor(Sensor const* sensor) const
+{
+    return mSensorEventConnection->enableDisable(sensor->getHandle(), false);
+}
+
+status_t SensorEventQueue::setEventRate(Sensor const* sensor, nsecs_t ns) const
+{
+    return mSensorEventConnection->setEventRate(sensor->getHandle(), ns);
+}
+
+// ----------------------------------------------------------------------------
+}; // namespace android
+
diff --git a/libs/gui/SensorManager.cpp b/libs/gui/SensorManager.cpp
new file mode 100644
index 0000000..cd89285
--- /dev/null
+++ b/libs/gui/SensorManager.cpp
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/RefBase.h>
+#include <utils/Singleton.h>
+
+#include <gui/ISensorServer.h>
+#include <gui/ISensorEventConnection.h>
+#include <gui/Sensor.h>
+#include <gui/SensorManager.h>
+#include <gui/SensorEventQueue.h>
+
+// ----------------------------------------------------------------------------
+namespace android {
+// ----------------------------------------------------------------------------
+
+ANDROID_SINGLETON_STATIC_INSTANCE(SensorManager)
+
+SensorManager::SensorManager()
+    : mSensorList(0)
+{
+    mSensors = mSensorServer->getSensorList();
+    // TODO: needs implementation
+}
+
+SensorManager::~SensorManager()
+{
+    // TODO: needs implementation
+}
+
+ssize_t SensorManager::getSensorList(Sensor** list) const
+{
+    *list = mSensorList;
+    return mSensors.size();
+}
+
+Sensor* SensorManager::getDefaultSensor(int type)
+{
+    // TODO: needs implementation
+    return mSensorList;
+}
+
+sp<SensorEventQueue> SensorManager::createEventQueue()
+{
+    sp<SensorEventQueue> result = new SensorEventQueue(
+            mSensorServer->createSensorEventConnection());
+    return result;
+}
+
+// ----------------------------------------------------------------------------
+}; // namespace android
diff --git a/libs/surfaceflinger/Layer.cpp b/libs/surfaceflinger/Layer.cpp
deleted file mode 100644
index ce7e9aa..0000000
--- a/libs/surfaceflinger/Layer.cpp
+++ /dev/null
@@ -1,630 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdlib.h>
-#include <stdint.h>
-#include <sys/types.h>
-
-#include <cutils/properties.h>
-#include <cutils/native_handle.h>
-
-#include <utils/Errors.h>
-#include <utils/Log.h>
-#include <utils/StopWatch.h>
-
-#include <ui/GraphicBuffer.h>
-#include <ui/PixelFormat.h>
-
-#include <surfaceflinger/Surface.h>
-
-#include "clz.h"
-#include "Layer.h"
-#include "SurfaceFlinger.h"
-#include "DisplayHardware/DisplayHardware.h"
-
-
-#define DEBUG_RESIZE    0
-
-
-namespace android {
-
-template <typename T> inline T min(T a, T b) {
-    return a<b ? a : b;
-}
-
-// ---------------------------------------------------------------------------
-
-const uint32_t Layer::typeInfo = LayerBaseClient::typeInfo | 4;
-const char* const Layer::typeID = "Layer";
-
-// ---------------------------------------------------------------------------
-
-Layer::Layer(SurfaceFlinger* flinger, DisplayID display, 
-        const sp<Client>& c, int32_t i)
-    :   LayerBaseClient(flinger, display, c, i),
-        mSecure(false),
-        mNoEGLImageForSwBuffers(false),
-        mNeedsBlending(true),
-        mNeedsDithering(false)
-{
-    // no OpenGL operation is possible here, since we might not be
-    // in the OpenGL thread.
-    mFrontBufferIndex = lcblk->getFrontBuffer();
-}
-
-Layer::~Layer()
-{
-    destroy();
-    // the actual buffers will be destroyed here
-}
-
-void Layer::destroy()
-{
-    for (size_t i=0 ; i<NUM_BUFFERS ; i++) {
-        if (mTextures[i].name != -1U) {
-            glDeleteTextures(1, &mTextures[i].name);
-            mTextures[i].name = -1U;
-        }
-        if (mTextures[i].image != EGL_NO_IMAGE_KHR) {
-            EGLDisplay dpy(mFlinger->graphicPlane(0).getEGLDisplay());
-            eglDestroyImageKHR(dpy, mTextures[i].image);
-            mTextures[i].image = EGL_NO_IMAGE_KHR;
-        }
-        Mutex::Autolock _l(mLock);
-        mBuffers[i].clear();
-        mWidth = mHeight = 0;
-    }
-    mSurface.clear();
-}
-
-sp<LayerBaseClient::Surface> Layer::createSurface() const
-{
-    return mSurface;
-}
-
-status_t Layer::ditch()
-{
-    // the layer is not on screen anymore. free as much resources as possible
-    mFreezeLock.clear();
-    destroy();
-    return NO_ERROR;
-}
-
-status_t Layer::setBuffers( uint32_t w, uint32_t h,
-                            PixelFormat format, uint32_t flags)
-{
-    // this surfaces pixel format
-    PixelFormatInfo info;
-    status_t err = getPixelFormatInfo(format, &info);
-    if (err) return err;
-
-    // the display's pixel format
-    const DisplayHardware& hw(graphicPlane(0).displayHardware());
-    uint32_t const maxSurfaceDims = min(
-            hw.getMaxTextureSize(), hw.getMaxViewportDims());
-
-    // never allow a surface larger than what our underlying GL implementation
-    // can handle.
-    if ((uint32_t(w)>maxSurfaceDims) || (uint32_t(h)>maxSurfaceDims)) {
-        return BAD_VALUE;
-    }
-
-    PixelFormatInfo displayInfo;
-    getPixelFormatInfo(hw.getFormat(), &displayInfo);
-    const uint32_t hwFlags = hw.getFlags();
-    
-    mFormat = format;
-    mWidth  = w;
-    mHeight = h;
-    mSecure = (flags & ISurfaceComposer::eSecure) ? true : false;
-    mNeedsBlending = (info.h_alpha - info.l_alpha) > 0;
-    mNoEGLImageForSwBuffers = !(hwFlags & DisplayHardware::CACHED_BUFFERS);
-
-    // we use the red index
-    int displayRedSize = displayInfo.getSize(PixelFormatInfo::INDEX_RED);
-    int layerRedsize = info.getSize(PixelFormatInfo::INDEX_RED);
-    mNeedsDithering = layerRedsize > displayRedSize;
-
-    for (size_t i=0 ; i<NUM_BUFFERS ; i++) {
-        mBuffers[i] = new GraphicBuffer();
-    }
-    mSurface = new SurfaceLayer(mFlinger, clientIndex(), this);
-    return NO_ERROR;
-}
-
-void Layer::reloadTexture(const Region& dirty)
-{
-    Mutex::Autolock _l(mLock);
-    sp<GraphicBuffer> buffer(getFrontBufferLocked());
-    if (buffer == NULL) {
-        // this situation can happen if we ran out of memory for instance.
-        // not much we can do. continue to use whatever texture was bound
-        // to this context.
-        return;
-    }
-
-    const int index = mFrontBufferIndex;
-
-    // create the new texture name if needed
-    if (UNLIKELY(mTextures[index].name == -1U)) {
-        mTextures[index].name = createTexture();
-        mTextures[index].width = 0;
-        mTextures[index].height = 0;
-    }
-
-#ifdef EGL_ANDROID_image_native_buffer
-    if (mFlags & DisplayHardware::DIRECT_TEXTURE) {
-        if (buffer->usage & GraphicBuffer::USAGE_HW_TEXTURE) {
-            if (mTextures[index].dirty) {
-                if (initializeEglImage(buffer, &mTextures[index]) != NO_ERROR) {
-                    // not sure what we can do here...
-                    mFlags &= ~DisplayHardware::DIRECT_TEXTURE;
-                    goto slowpath;
-                }
-            }
-        } else {
-            if (mHybridBuffer==0 || (mHybridBuffer->width != buffer->width ||
-                    mHybridBuffer->height != buffer->height)) {
-                mHybridBuffer.clear();
-                mHybridBuffer = new GraphicBuffer(
-                        buffer->width, buffer->height, buffer->format,
-                        GraphicBuffer::USAGE_SW_WRITE_OFTEN |
-                        GraphicBuffer::USAGE_HW_TEXTURE);
-                if (initializeEglImage(
-                        mHybridBuffer, &mTextures[0]) != NO_ERROR) {
-                    // not sure what we can do here...
-                    mFlags &= ~DisplayHardware::DIRECT_TEXTURE;
-                    mHybridBuffer.clear();
-                    goto slowpath;
-                }
-            }
-
-            GGLSurface t;
-            status_t res = buffer->lock(&t, GRALLOC_USAGE_SW_READ_OFTEN);
-            LOGE_IF(res, "error %d (%s) locking buffer %p",
-                    res, strerror(res), buffer.get());
-            if (res == NO_ERROR) {
-                Texture* const texture(&mTextures[0]);
-
-                glBindTexture(GL_TEXTURE_2D, texture->name);
-
-                sp<GraphicBuffer> buf(mHybridBuffer);
-                void* vaddr;
-                res = buf->lock(GraphicBuffer::USAGE_SW_WRITE_OFTEN, &vaddr);
-                if (res == NO_ERROR) {
-                    int bpp = 0;
-                    switch (t.format) {
-                    case HAL_PIXEL_FORMAT_RGB_565:
-                    case HAL_PIXEL_FORMAT_RGBA_4444:
-                        bpp = 2;
-                        break;
-                    case HAL_PIXEL_FORMAT_RGBA_8888:
-                    case HAL_PIXEL_FORMAT_RGBX_8888:
-                        bpp = 4;
-                        break;
-                    default:
-                        if (isSupportedYuvFormat(t.format)) {
-                            // just show the Y plane of YUV buffers
-                            bpp = 1;
-                            break;
-                        }
-                        // oops, we don't handle this format!
-                        LOGE("layer %p, texture=%d, using format %d, which is not "
-                                "supported by the GL", this, texture->name, t.format);
-                    }
-                    if (bpp) {
-                        const Rect bounds(dirty.getBounds());
-                        size_t src_stride = t.stride;
-                        size_t dst_stride = buf->stride;
-                        if (src_stride == dst_stride &&
-                            bounds.width() == t.width &&
-                            bounds.height() == t.height)
-                        {
-                            memcpy(vaddr, t.data, t.height * t.stride * bpp);
-                        } else {
-                            GLubyte const * src = t.data +
-                                (bounds.left + bounds.top * src_stride) * bpp;
-                            GLubyte * dst = (GLubyte *)vaddr +
-                                (bounds.left + bounds.top * dst_stride) * bpp;
-                            const size_t length = bounds.width() * bpp;
-                            size_t h = bounds.height();
-                            src_stride *= bpp;
-                            dst_stride *= bpp;
-                            while (h--) {
-                                memcpy(dst, src, length);
-                                dst += dst_stride;
-                                src += src_stride;
-                            }
-                        }
-                    }
-                    buf->unlock();
-                }
-                buffer->unlock();
-            }
-        }
-    } else
-#endif
-    {
-slowpath:
-        for (size_t i=0 ; i<NUM_BUFFERS ; i++) {
-            mTextures[i].image = EGL_NO_IMAGE_KHR;
-        }
-        GGLSurface t;
-        status_t res = buffer->lock(&t, GRALLOC_USAGE_SW_READ_OFTEN);
-        LOGE_IF(res, "error %d (%s) locking buffer %p",
-                res, strerror(res), buffer.get());
-        if (res == NO_ERROR) {
-            loadTexture(&mTextures[0], dirty, t);
-            buffer->unlock();
-        }
-    }
-}
-
-void Layer::onDraw(const Region& clip) const
-{
-    int index = mFrontBufferIndex;
-    if (mTextures[index].image == EGL_NO_IMAGE_KHR)
-        index = 0;
-    GLuint textureName = mTextures[index].name;
-    if (UNLIKELY(textureName == -1LU)) {
-        // the texture has not been created yet, this Layer has
-        // in fact never been drawn into. This happens frequently with
-        // SurfaceView because the WindowManager can't know when the client
-        // has drawn the first time.
-
-        // If there is nothing under us, we paint the screen in black, otherwise
-        // we just skip this update.
-
-        // figure out if there is something below us
-        Region under;
-        const SurfaceFlinger::LayerVector& drawingLayers(mFlinger->mDrawingState.layersSortedByZ);
-        const size_t count = drawingLayers.size();
-        for (size_t i=0 ; i<count ; ++i) {
-            const sp<LayerBase>& layer(drawingLayers[i]);
-            if (layer.get() == static_cast<LayerBase const*>(this))
-                break;
-            under.orSelf(layer->visibleRegionScreen);
-        }
-        // if not everything below us is covered, we plug the holes!
-        Region holes(clip.subtract(under));
-        if (!holes.isEmpty()) {
-            clearWithOpenGL(holes);
-        }
-        return;
-    }
-    drawWithOpenGL(clip, mTextures[index]);
-}
-
-sp<GraphicBuffer> Layer::requestBuffer(int index, int usage)
-{
-    sp<GraphicBuffer> buffer;
-
-    // this ensures our client doesn't go away while we're accessing
-    // the shared area.
-    sp<Client> ourClient(client.promote());
-    if (ourClient == 0) {
-        // oops, the client is already gone
-        return buffer;
-    }
-
-    /*
-     * This is called from the client's Surface::dequeue(). This can happen
-     * at any time, especially while we're in the middle of using the
-     * buffer 'index' as our front buffer.
-     * 
-     * Make sure the buffer we're resizing is not the front buffer and has been
-     * dequeued. Once this condition is asserted, we are guaranteed that this
-     * buffer cannot become the front buffer under our feet, since we're called
-     * from Surface::dequeue()
-     */
-    status_t err = lcblk->assertReallocate(index);
-    LOGE_IF(err, "assertReallocate(%d) failed (%s)", index, strerror(-err));
-    if (err != NO_ERROR) {
-        // the surface may have died
-        return buffer;
-    }
-
-    uint32_t w, h;
-    { // scope for the lock
-        Mutex::Autolock _l(mLock);
-        w = mWidth;
-        h = mHeight;
-        buffer = mBuffers[index];
-        
-        // destroy() could have been called before we get here, we log it
-        // because it's uncommon, and the code below should handle it
-        LOGW_IF(buffer==0, 
-                "mBuffers[%d] is null (mWidth=%d, mHeight=%d)",
-                index, w, h);
-        
-        mBuffers[index].clear();
-    }
-
-    const uint32_t effectiveUsage = getEffectiveUsage(usage);
-    if (buffer!=0 && buffer->getStrongCount() == 1) {
-        err = buffer->reallocate(w, h, mFormat, effectiveUsage);
-    } else {
-        // here we have to reallocate a new buffer because we could have a
-        // client in our process with a reference to it (eg: status bar),
-        // and we can't release the handle under its feet.
-        buffer.clear();
-        buffer = new GraphicBuffer(w, h, mFormat, effectiveUsage);
-        err = buffer->initCheck();
-    }
-
-    if (err || buffer->handle == 0) {
-        LOGE_IF(err || buffer->handle == 0,
-                "Layer::requestBuffer(this=%p), index=%d, w=%d, h=%d failed (%s)",
-                this, index, w, h, strerror(-err));
-    } else {
-        LOGD_IF(DEBUG_RESIZE,
-                "Layer::requestBuffer(this=%p), index=%d, w=%d, h=%d, handle=%p",
-                this, index, w, h, buffer->handle);
-    }
-
-    if (err == NO_ERROR && buffer->handle != 0) {
-        Mutex::Autolock _l(mLock);
-        if (mWidth && mHeight) {
-            // and we have new buffer
-            mBuffers[index] = buffer;
-            // texture is now dirty...
-            mTextures[index].dirty = true;
-        } else {
-            // oops we got killed while we were allocating the buffer
-            buffer.clear();
-        }
-    }
-    return buffer;
-}
-
-uint32_t Layer::getEffectiveUsage(uint32_t usage) const
-{
-    /*
-     *  buffers used for software rendering, but h/w composition
-     *  are allocated with SW_READ_OFTEN | SW_WRITE_OFTEN | HW_TEXTURE
-     *
-     *  buffers used for h/w rendering and h/w composition
-     *  are allocated with  HW_RENDER | HW_TEXTURE
-     *
-     *  buffers used with h/w rendering and either NPOT or no egl_image_ext
-     *  are allocated with SW_READ_RARELY | HW_RENDER
-     *
-     */
-
-    if (mSecure) {
-        // secure buffer, don't store it into the GPU
-        usage = GraphicBuffer::USAGE_SW_READ_OFTEN |
-                GraphicBuffer::USAGE_SW_WRITE_OFTEN;
-    } else {
-        // it's allowed to modify the usage flags here, but generally
-        // the requested flags should be honored.
-        if (mNoEGLImageForSwBuffers) {
-            if (usage & GraphicBuffer::USAGE_HW_MASK) {
-                // request EGLImage for h/w buffers only
-                usage |= GraphicBuffer::USAGE_HW_TEXTURE;
-            }
-        } else {
-            // request EGLImage for all buffers
-            usage |= GraphicBuffer::USAGE_HW_TEXTURE;
-        }
-    }
-    return usage;
-}
-
-uint32_t Layer::doTransaction(uint32_t flags)
-{
-    const Layer::State& front(drawingState());
-    const Layer::State& temp(currentState());
-
-    if ((front.requested_w != temp.requested_w) || 
-        (front.requested_h != temp.requested_h)) {
-        // the size changed, we need to ask our client to request a new buffer
-        LOGD_IF(DEBUG_RESIZE,
-                    "resize (layer=%p), requested (%dx%d), "
-                    "drawing (%d,%d), (%dx%d), (%dx%d)",
-                    this, 
-                    int(temp.requested_w), int(temp.requested_h),
-                    int(front.requested_w), int(front.requested_h),
-                    int(mBuffers[0]->getWidth()), int(mBuffers[0]->getHeight()),
-                    int(mBuffers[1]->getWidth()), int(mBuffers[1]->getHeight()));
-
-        // we're being resized and there is a freeze display request,
-        // acquire a freeze lock, so that the screen stays put
-        // until we've redrawn at the new size; this is to avoid
-        // glitches upon orientation changes.
-        if (mFlinger->hasFreezeRequest()) {
-            // if the surface is hidden, don't try to acquire the
-            // freeze lock, since hidden surfaces may never redraw
-            if (!(front.flags & ISurfaceComposer::eLayerHidden)) {
-                mFreezeLock = mFlinger->getFreezeLock();
-            }
-        }
-
-        // this will make sure LayerBase::doTransaction doesn't update
-        // the drawing state's size
-        Layer::State& editDraw(mDrawingState);
-        editDraw.requested_w = temp.requested_w;
-        editDraw.requested_h = temp.requested_h;
-
-        // record the new size, form this point on, when the client request a
-        // buffer, it'll get the new size.
-        setDrawingSize(temp.requested_w, temp.requested_h);
-
-        // all buffers need reallocation
-        lcblk->reallocate();
-    }
-
-    if (temp.sequence != front.sequence) {
-        if (temp.flags & ISurfaceComposer::eLayerHidden || temp.alpha == 0) {
-            // this surface is now hidden, so it shouldn't hold a freeze lock
-            // (it may never redraw, which is fine if it is hidden)
-            mFreezeLock.clear();
-        }
-    }
-        
-    return LayerBase::doTransaction(flags);
-}
-
-void Layer::setDrawingSize(uint32_t w, uint32_t h) {
-    Mutex::Autolock _l(mLock);
-    mWidth = w;
-    mHeight = h;
-}
-
-// ----------------------------------------------------------------------------
-// pageflip handling...
-// ----------------------------------------------------------------------------
-
-void Layer::lockPageFlip(bool& recomputeVisibleRegions)
-{
-    ssize_t buf = lcblk->retireAndLock();
-    if (buf < NO_ERROR) {
-        //LOGW("nothing to retire (%s)", strerror(-buf));
-        // NOTE: here the buffer is locked because we will used 
-        // for composition later in the loop
-        return;
-    }
-
-    // ouch, this really should never happen
-    if (uint32_t(buf)>=NUM_BUFFERS) {
-        LOGE("retireAndLock() buffer index (%d) out of range", buf);
-        mPostedDirtyRegion.clear();
-        return;
-    }
-
-    // we retired a buffer, which becomes the new front buffer
-    mFrontBufferIndex = buf;
-
-    // get the dirty region
-    sp<GraphicBuffer> newFrontBuffer(getBuffer(buf));
-    if (newFrontBuffer != NULL) {
-        // compute the posted region
-        const Region dirty(lcblk->getDirtyRegion(buf));
-        mPostedDirtyRegion = dirty.intersect( newFrontBuffer->getBounds() );
-
-        // update the layer size and release freeze-lock
-        const Layer::State& front(drawingState());
-        if (newFrontBuffer->getWidth()  == front.requested_w &&
-            newFrontBuffer->getHeight() == front.requested_h)
-        {
-            if ((front.w != front.requested_w) ||
-                (front.h != front.requested_h))
-            {
-                // Here we pretend the transaction happened by updating the
-                // current and drawing states. Drawing state is only accessed
-                // in this thread, no need to have it locked
-                Layer::State& editDraw(mDrawingState);
-                editDraw.w = editDraw.requested_w;
-                editDraw.h = editDraw.requested_h;
-
-                // We also need to update the current state so that we don't
-                // end-up doing too much work during the next transaction.
-                // NOTE: We actually don't need hold the transaction lock here
-                // because State::w and State::h are only accessed from
-                // this thread
-                Layer::State& editTemp(currentState());
-                editTemp.w = editDraw.w;
-                editTemp.h = editDraw.h;
-
-                // recompute visible region
-                recomputeVisibleRegions = true;
-            }
-
-            // we now have the correct size, unfreeze the screen
-            mFreezeLock.clear();
-        }
-    } else {
-        // this should not happen unless we ran out of memory while
-        // allocating the buffer. we're hoping that things will get back
-        // to normal the next time the app tries to draw into this buffer.
-        // meanwhile, pretend the screen didn't update.
-        mPostedDirtyRegion.clear();
-    }
-
-    if (lcblk->getQueuedCount()) {
-        // signal an event if we have more buffers waiting
-        mFlinger->signalEvent();
-    }
-
-    if (!mPostedDirtyRegion.isEmpty()) {
-        reloadTexture( mPostedDirtyRegion );
-    }
-}
-
-void Layer::unlockPageFlip(
-        const Transform& planeTransform, Region& outDirtyRegion)
-{
-    Region dirtyRegion(mPostedDirtyRegion);
-    if (!dirtyRegion.isEmpty()) {
-        mPostedDirtyRegion.clear();
-        // The dirty region is given in the layer's coordinate space
-        // transform the dirty region by the surface's transformation
-        // and the global transformation.
-        const Layer::State& s(drawingState());
-        const Transform tr(planeTransform * s.transform);
-        dirtyRegion = tr.transform(dirtyRegion);
-
-        // At this point, the dirty region is in screen space.
-        // Make sure it's constrained by the visible region (which
-        // is in screen space as well).
-        dirtyRegion.andSelf(visibleRegionScreen);
-        outDirtyRegion.orSelf(dirtyRegion);
-    }
-    if (visibleRegionScreen.isEmpty()) {
-        // an invisible layer should not hold a freeze-lock
-        // (because it may never be updated and thereore never release it)
-        mFreezeLock.clear();
-    }
-}
-
-void Layer::finishPageFlip()
-{
-    status_t err = lcblk->unlock( mFrontBufferIndex );
-    LOGE_IF(err!=NO_ERROR, 
-            "layer %p, buffer=%d wasn't locked!",
-            this, mFrontBufferIndex);
-}
-
-// ---------------------------------------------------------------------------
-
-Layer::SurfaceLayer::SurfaceLayer(const sp<SurfaceFlinger>& flinger,
-        SurfaceID id, const sp<Layer>& owner)
-    : Surface(flinger, id, owner->getIdentity(), owner)
-{
-}
-
-Layer::SurfaceLayer::~SurfaceLayer()
-{
-}
-
-sp<GraphicBuffer> Layer::SurfaceLayer::requestBuffer(int index, int usage)
-{
-    sp<GraphicBuffer> buffer;
-    sp<Layer> owner(getOwner());
-    if (owner != 0) {
-        LOGE_IF(uint32_t(index)>=NUM_BUFFERS,
-                "getBuffer() index (%d) out of range", index);
-        if (uint32_t(index) < NUM_BUFFERS) {
-            buffer = owner->requestBuffer(index, usage);
-        }
-    }
-    return buffer;
-}
-
-// ---------------------------------------------------------------------------
-
-
-}; // namespace android
diff --git a/libs/surfaceflinger/Layer.h b/libs/surfaceflinger/Layer.h
deleted file mode 100644
index 743afb4..0000000
--- a/libs/surfaceflinger/Layer.h
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_LAYER_H
-#define ANDROID_LAYER_H
-
-#include <stdint.h>
-#include <sys/types.h>
-
-#include <ui/GraphicBuffer.h>
-#include <ui/PixelFormat.h>
-#include <pixelflinger/pixelflinger.h>
-
-#include <EGL/egl.h>
-#include <EGL/eglext.h>
-#include <GLES/gl.h>
-#include <GLES/glext.h>
-
-#include "LayerBase.h"
-#include "Transform.h"
-
-namespace android {
-
-// ---------------------------------------------------------------------------
-
-class Client;
-class FreezeLock;
-
-// ---------------------------------------------------------------------------
-
-const size_t NUM_BUFFERS = 2;
-
-class Layer : public LayerBaseClient
-{
-public:    
-    static const uint32_t typeInfo;
-    static const char* const typeID;
-    virtual char const* getTypeID() const { return typeID; }
-    virtual uint32_t getTypeInfo() const { return typeInfo; }
-    
-                 Layer(SurfaceFlinger* flinger, DisplayID display,
-                         const sp<Client>& client, int32_t i);
-
-        virtual ~Layer();
-
-    status_t setBuffers(uint32_t w, uint32_t h, 
-            PixelFormat format, uint32_t flags=0);
-
-    void setDrawingSize(uint32_t w, uint32_t h);
-
-    virtual void onDraw(const Region& clip) const;
-    virtual uint32_t doTransaction(uint32_t transactionFlags);
-    virtual void lockPageFlip(bool& recomputeVisibleRegions);
-    virtual void unlockPageFlip(const Transform& planeTransform, Region& outDirtyRegion);
-    virtual void finishPageFlip();
-    virtual bool needsBlending() const      { return mNeedsBlending; }
-    virtual bool needsDithering() const     { return mNeedsDithering; }
-    virtual bool isSecure() const           { return mSecure; }
-    virtual sp<Surface> createSurface() const;
-    virtual status_t ditch();
-    
-    // only for debugging
-    inline sp<GraphicBuffer> getBuffer(int i) { return mBuffers[i]; }
-    // only for debugging
-    inline const sp<FreezeLock>&  getFreezeLock() const { return mFreezeLock; }
-    // only for debugging
-    inline PixelFormat pixelFormat() const { return mFormat; }
-    // only for debugging
-    inline int getFrontBufferIndex() const { return mFrontBufferIndex; }
-
-private:
-    inline sp<GraphicBuffer> getFrontBufferLocked() {
-        return mBuffers[mFrontBufferIndex];
-    }
- 
-    void reloadTexture(const Region& dirty);
-
-    uint32_t getEffectiveUsage(uint32_t usage) const;
-
-    sp<GraphicBuffer> requestBuffer(int index, int usage);
-    void destroy();
-
-    class SurfaceLayer : public LayerBaseClient::Surface {
-    public:
-        SurfaceLayer(const sp<SurfaceFlinger>& flinger,
-                SurfaceID id, const sp<Layer>& owner);
-        ~SurfaceLayer();
-    private:
-        virtual sp<GraphicBuffer> requestBuffer(int index, int usage);
-        sp<Layer> getOwner() const {
-            return static_cast<Layer*>(Surface::getOwner().get());
-        }
-    };
-    friend class SurfaceLayer;
-    
-    sp<Surface>             mSurface;
-
-            bool            mSecure;
-            bool            mNoEGLImageForSwBuffers;
-            int32_t         mFrontBufferIndex;
-            bool            mNeedsBlending;
-            bool            mNeedsDithering;
-            Region          mPostedDirtyRegion;
-            sp<FreezeLock>  mFreezeLock;
-            PixelFormat     mFormat;
-            
-            // protected by mLock
-            sp<GraphicBuffer> mBuffers[NUM_BUFFERS];
-            Texture         mTextures[NUM_BUFFERS];
-            sp<GraphicBuffer> mHybridBuffer;
-            uint32_t        mWidth;
-            uint32_t        mHeight;
-            
-   mutable Mutex mLock;
-};
-
-// ---------------------------------------------------------------------------
-
-}; // namespace android
-
-#endif // ANDROID_LAYER_H
diff --git a/libs/surfaceflinger/LayerBase.cpp b/libs/surfaceflinger/LayerBase.cpp
deleted file mode 100644
index a8b735e..0000000
--- a/libs/surfaceflinger/LayerBase.cpp
+++ /dev/null
@@ -1,829 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdlib.h>
-#include <stdint.h>
-#include <sys/types.h>
-
-#include <utils/Errors.h>
-#include <utils/Log.h>
-#include <binder/IPCThreadState.h>
-#include <binder/IServiceManager.h>
-
-#include <GLES/gl.h>
-#include <GLES/glext.h>
-
-#include <hardware/hardware.h>
-
-#include "clz.h"
-#include "LayerBase.h"
-#include "SurfaceFlinger.h"
-#include "DisplayHardware/DisplayHardware.h"
-
-
-namespace android {
-
-// ---------------------------------------------------------------------------
-
-const uint32_t LayerBase::typeInfo = 1;
-const char* const LayerBase::typeID = "LayerBase";
-
-const uint32_t LayerBaseClient::typeInfo = LayerBase::typeInfo | 2;
-const char* const LayerBaseClient::typeID = "LayerBaseClient";
-
-// ---------------------------------------------------------------------------
-
-LayerBase::LayerBase(SurfaceFlinger* flinger, DisplayID display)
-    : dpy(display), contentDirty(false),
-      mFlinger(flinger),
-      mTransformed(false),
-      mUseLinearFiltering(false),
-      mOrientation(0),
-      mLeft(0), mTop(0),
-      mTransactionFlags(0),
-      mPremultipliedAlpha(true), mDebug(false),
-      mInvalidate(0)
-{
-    const DisplayHardware& hw(flinger->graphicPlane(0).displayHardware());
-    mFlags = hw.getFlags();
-}
-
-LayerBase::~LayerBase()
-{
-}
-
-void LayerBase::setName(const String8& name) {
-    mName = name;
-}
-
-String8 LayerBase::getName() const {
-    return mName;
-}
-
-const GraphicPlane& LayerBase::graphicPlane(int dpy) const
-{ 
-    return mFlinger->graphicPlane(dpy);
-}
-
-GraphicPlane& LayerBase::graphicPlane(int dpy)
-{
-    return mFlinger->graphicPlane(dpy); 
-}
-
-void LayerBase::initStates(uint32_t w, uint32_t h, uint32_t flags)
-{
-    uint32_t layerFlags = 0;
-    if (flags & ISurfaceComposer::eHidden)
-        layerFlags = ISurfaceComposer::eLayerHidden;
-
-    if (flags & ISurfaceComposer::eNonPremultiplied)
-        mPremultipliedAlpha = false;
-
-    mCurrentState.z             = 0;
-    mCurrentState.w             = w;
-    mCurrentState.h             = h;
-    mCurrentState.requested_w   = w;
-    mCurrentState.requested_h   = h;
-    mCurrentState.alpha         = 0xFF;
-    mCurrentState.flags         = layerFlags;
-    mCurrentState.sequence      = 0;
-    mCurrentState.transform.set(0, 0);
-
-    // drawing state & current state are identical
-    mDrawingState = mCurrentState;
-}
-
-void LayerBase::commitTransaction() {
-    mDrawingState = mCurrentState;
-}
-void LayerBase::forceVisibilityTransaction() {
-    // this can be called without SurfaceFlinger.mStateLock, but if we
-    // can atomically increment the sequence number, it doesn't matter.
-    android_atomic_inc(&mCurrentState.sequence);
-    requestTransaction();
-}
-bool LayerBase::requestTransaction() {
-    int32_t old = setTransactionFlags(eTransactionNeeded);
-    return ((old & eTransactionNeeded) == 0);
-}
-uint32_t LayerBase::getTransactionFlags(uint32_t flags) {
-    return android_atomic_and(~flags, &mTransactionFlags) & flags;
-}
-uint32_t LayerBase::setTransactionFlags(uint32_t flags) {
-    return android_atomic_or(flags, &mTransactionFlags);
-}
-
-bool LayerBase::setPosition(int32_t x, int32_t y) {
-    if (mCurrentState.transform.tx() == x && mCurrentState.transform.ty() == y)
-        return false;
-    mCurrentState.sequence++;
-    mCurrentState.transform.set(x, y);
-    requestTransaction();
-    return true;
-}
-bool LayerBase::setLayer(uint32_t z) {
-    if (mCurrentState.z == z)
-        return false;
-    mCurrentState.sequence++;
-    mCurrentState.z = z;
-    requestTransaction();
-    return true;
-}
-bool LayerBase::setSize(uint32_t w, uint32_t h) {
-    if (mCurrentState.requested_w == w && mCurrentState.requested_h == h)
-        return false;
-    mCurrentState.requested_w = w;
-    mCurrentState.requested_h = h;
-    requestTransaction();
-    return true;
-}
-bool LayerBase::setAlpha(uint8_t alpha) {
-    if (mCurrentState.alpha == alpha)
-        return false;
-    mCurrentState.sequence++;
-    mCurrentState.alpha = alpha;
-    requestTransaction();
-    return true;
-}
-bool LayerBase::setMatrix(const layer_state_t::matrix22_t& matrix) {
-    // TODO: check the matrix has changed
-    mCurrentState.sequence++;
-    mCurrentState.transform.set(
-            matrix.dsdx, matrix.dsdy, matrix.dtdx, matrix.dtdy);
-    requestTransaction();
-    return true;
-}
-bool LayerBase::setTransparentRegionHint(const Region& transparent) {
-    // TODO: check the region has changed
-    mCurrentState.sequence++;
-    mCurrentState.transparentRegion = transparent;
-    requestTransaction();
-    return true;
-}
-bool LayerBase::setFlags(uint8_t flags, uint8_t mask) {
-    const uint32_t newFlags = (mCurrentState.flags & ~mask) | (flags & mask);
-    if (mCurrentState.flags == newFlags)
-        return false;
-    mCurrentState.sequence++;
-    mCurrentState.flags = newFlags;
-    requestTransaction();
-    return true;
-}
-
-Rect LayerBase::visibleBounds() const
-{
-    return mTransformedBounds;
-}      
-
-void LayerBase::setVisibleRegion(const Region& visibleRegion) {
-    // always called from main thread
-    visibleRegionScreen = visibleRegion;
-}
-
-void LayerBase::setCoveredRegion(const Region& coveredRegion) {
-    // always called from main thread
-    coveredRegionScreen = coveredRegion;
-}
-
-uint32_t LayerBase::doTransaction(uint32_t flags)
-{
-    const Layer::State& front(drawingState());
-    const Layer::State& temp(currentState());
-
-    if ((front.requested_w != temp.requested_w) ||
-        (front.requested_h != temp.requested_h))  {
-        // resize the layer, set the physical size to the requested size
-        Layer::State& editTemp(currentState());
-        editTemp.w = temp.requested_w;
-        editTemp.h = temp.requested_h;
-    }
-
-    if ((front.w != temp.w) || (front.h != temp.h)) {
-        // invalidate and recompute the visible regions if needed
-        flags |= Layer::eVisibleRegion;
-    }
-
-    if (temp.sequence != front.sequence) {
-        // invalidate and recompute the visible regions if needed
-        flags |= eVisibleRegion;
-        this->contentDirty = true;
-
-        const bool linearFiltering = mUseLinearFiltering;
-        mUseLinearFiltering = false;
-        if (!(mFlags & DisplayHardware::SLOW_CONFIG)) {
-            // we may use linear filtering, if the matrix scales us
-            const uint8_t type = temp.transform.getType();
-            if (!temp.transform.preserveRects() || (type >= Transform::SCALE)) {
-                mUseLinearFiltering = true;
-            }
-        }
-    }
-
-    // Commit the transaction
-    commitTransaction();
-    return flags;
-}
-
-void LayerBase::validateVisibility(const Transform& planeTransform)
-{
-    const Layer::State& s(drawingState());
-    const Transform tr(planeTransform * s.transform);
-    const bool transformed = tr.transformed();
-   
-    uint32_t w = s.w;
-    uint32_t h = s.h;    
-    tr.transform(mVertices[0], 0, 0);
-    tr.transform(mVertices[1], 0, h);
-    tr.transform(mVertices[2], w, h);
-    tr.transform(mVertices[3], w, 0);
-    if (UNLIKELY(transformed)) {
-        // NOTE: here we could also punt if we have too many rectangles
-        // in the transparent region
-        if (tr.preserveRects()) {
-            // transform the transparent region
-            transparentRegionScreen = tr.transform(s.transparentRegion);
-        } else {
-            // transformation too complex, can't do the transparent region
-            // optimization.
-            transparentRegionScreen.clear();
-        }
-    } else {
-        transparentRegionScreen = s.transparentRegion;
-    }
-
-    // cache a few things...
-    mOrientation = tr.getOrientation();
-    mTransformedBounds = tr.makeBounds(w, h);
-    mTransformed = transformed;
-    mLeft = tr.tx();
-    mTop  = tr.ty();
-}
-
-void LayerBase::lockPageFlip(bool& recomputeVisibleRegions)
-{
-}
-
-void LayerBase::unlockPageFlip(
-        const Transform& planeTransform, Region& outDirtyRegion)
-{
-    if ((android_atomic_and(~1, &mInvalidate)&1) == 1) {
-        outDirtyRegion.orSelf(visibleRegionScreen);
-    }
-}
-
-void LayerBase::finishPageFlip()
-{
-}
-
-void LayerBase::invalidate()
-{
-    if ((android_atomic_or(1, &mInvalidate)&1) == 0) {
-        mFlinger->signalEvent();
-    }
-}
-
-void LayerBase::drawRegion(const Region& reg) const
-{
-    Region::const_iterator it = reg.begin();
-    Region::const_iterator const end = reg.end();
-    if (it != end) {
-        Rect r;
-        const DisplayHardware& hw(graphicPlane(0).displayHardware());
-        const int32_t fbWidth  = hw.getWidth();
-        const int32_t fbHeight = hw.getHeight();
-        const GLshort vertices[][2] = { { 0, 0 }, { fbWidth, 0 }, 
-                { fbWidth, fbHeight }, { 0, fbHeight }  };
-        glVertexPointer(2, GL_SHORT, 0, vertices);
-        while (it != end) {
-            const Rect& r = *it++;
-            const GLint sy = fbHeight - (r.top + r.height());
-            glScissor(r.left, sy, r.width(), r.height());
-            glDrawArrays(GL_TRIANGLE_FAN, 0, 4); 
-        }
-    }
-}
-
-void LayerBase::draw(const Region& inClip) const
-{
-    // invalidate the region we'll update
-    Region clip(inClip);  // copy-on-write, so no-op most of the time
-
-    // Remove the transparent area from the clipping region
-    const State& s = drawingState();
-    if (LIKELY(!s.transparentRegion.isEmpty())) {
-        clip.subtract(transparentRegionScreen);
-        if (clip.isEmpty()) {
-            // usually this won't happen because this should be taken care of
-            // by SurfaceFlinger::computeVisibleRegions()
-            return;
-        }        
-    }
-
-    // reset GL state
-    glEnable(GL_SCISSOR_TEST);
-
-    onDraw(clip);
-
-    /*
-    glDisable(GL_TEXTURE_2D);
-    glDisable(GL_DITHER);
-    glEnable(GL_BLEND);
-    glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
-    glColor4x(0, 0x8000, 0, 0x10000);
-    drawRegion(transparentRegionScreen);
-    glDisable(GL_BLEND);
-    */
-}
-
-GLuint LayerBase::createTexture() const
-{
-    GLuint textureName = -1;
-    glGenTextures(1, &textureName);
-    glBindTexture(GL_TEXTURE_2D, textureName);
-    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-    return textureName;
-}
-
-void LayerBase::clearWithOpenGL(const Region& clip, GLclampx red,
-                                GLclampx green, GLclampx blue,
-                                GLclampx alpha) const
-{
-    const DisplayHardware& hw(graphicPlane(0).displayHardware());
-    const uint32_t fbHeight = hw.getHeight();
-    glColor4x(red,green,blue,alpha);
-    glDisable(GL_TEXTURE_2D);
-    glDisable(GL_BLEND);
-    glDisable(GL_DITHER);
-
-    Region::const_iterator it = clip.begin();
-    Region::const_iterator const end = clip.end();
-    glEnable(GL_SCISSOR_TEST);
-    glVertexPointer(2, GL_FIXED, 0, mVertices);
-    while (it != end) {
-        const Rect& r = *it++;
-        const GLint sy = fbHeight - (r.top + r.height());
-        glScissor(r.left, sy, r.width(), r.height());
-        glDrawArrays(GL_TRIANGLE_FAN, 0, 4); 
-    }
-}
-
-void LayerBase::clearWithOpenGL(const Region& clip) const
-{
-    clearWithOpenGL(clip,0,0,0,0);
-}
-
-void LayerBase::drawWithOpenGL(const Region& clip, const Texture& texture) const
-{
-    const DisplayHardware& hw(graphicPlane(0).displayHardware());
-    const uint32_t fbHeight = hw.getHeight();
-    const State& s(drawingState());
-    
-    // bind our texture
-    validateTexture(texture.name);
-    uint32_t width  = texture.width; 
-    uint32_t height = texture.height;
-    
-    glEnable(GL_TEXTURE_2D);
-
-    if (UNLIKELY(s.alpha < 0xFF)) {
-        // We have an alpha-modulation. We need to modulate all
-        // texture components by alpha because we're always using 
-        // premultiplied alpha.
-        
-        // If the texture doesn't have an alpha channel we can
-        // use REPLACE and switch to non premultiplied alpha
-        // blending (SRCA/ONE_MINUS_SRCA).
-        
-        GLenum env, src;
-        if (needsBlending()) {
-            env = GL_MODULATE;
-            src = mPremultipliedAlpha ? GL_ONE : GL_SRC_ALPHA;
-        } else {
-            env = GL_REPLACE;
-            src = GL_SRC_ALPHA;
-        }
-        const GGLfixed alpha = (s.alpha << 16)/255;
-        glColor4x(alpha, alpha, alpha, alpha);
-        glEnable(GL_BLEND);
-        glBlendFunc(src, GL_ONE_MINUS_SRC_ALPHA);
-        glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, env);
-    } else {
-        glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
-        glColor4x(0x10000, 0x10000, 0x10000, 0x10000);
-        if (needsBlending()) {
-            GLenum src = mPremultipliedAlpha ? GL_ONE : GL_SRC_ALPHA;
-            glEnable(GL_BLEND);
-            glBlendFunc(src, GL_ONE_MINUS_SRC_ALPHA);
-        } else {
-            glDisable(GL_BLEND);
-        }
-    }
-
-    Region::const_iterator it = clip.begin();
-    Region::const_iterator const end = clip.end();
-
-    //StopWatch watch("GL transformed");
-    const GLfixed texCoords[4][2] = {
-            { 0,        0 },
-            { 0,        0x10000 },
-            { 0x10000,  0x10000 },
-            { 0x10000,  0 }
-    };
-
-    glMatrixMode(GL_TEXTURE);
-    glLoadIdentity();
-
-    // the texture's source is rotated
-    switch (texture.transform) {
-        case HAL_TRANSFORM_ROT_90:
-            glTranslatef(0, 1, 0);
-            glRotatef(-90, 0, 0, 1);
-            break;
-        case HAL_TRANSFORM_ROT_180:
-            glTranslatef(1, 1, 0);
-            glRotatef(-180, 0, 0, 1);
-            break;
-        case HAL_TRANSFORM_ROT_270:
-            glTranslatef(1, 0, 0);
-            glRotatef(-270, 0, 0, 1);
-            break;
-    }
-
-    if (texture.NPOTAdjust) {
-        glScalef(texture.wScale, texture.hScale, 1.0f);
-    }
-
-    glEnableClientState(GL_TEXTURE_COORD_ARRAY);
-    glVertexPointer(2, GL_FIXED, 0, mVertices);
-    glTexCoordPointer(2, GL_FIXED, 0, texCoords);
-
-    while (it != end) {
-        const Rect& r = *it++;
-        const GLint sy = fbHeight - (r.top + r.height());
-        glScissor(r.left, sy, r.width(), r.height());
-        glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
-    }
-    glDisableClientState(GL_TEXTURE_COORD_ARRAY);
-}
-
-void LayerBase::validateTexture(GLint textureName) const
-{
-    glBindTexture(GL_TEXTURE_2D, textureName);
-    // TODO: reload the texture if needed
-    // this is currently done in loadTexture() below
-    if (mUseLinearFiltering) {
-        glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-        glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-    } else {
-        glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-        glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-    }
-
-    if (needsDithering()) {
-        glEnable(GL_DITHER);
-    } else {
-        glDisable(GL_DITHER);
-    }
-}
-
-bool LayerBase::isSupportedYuvFormat(int format) const
-{
-    switch (format) {
-        case HAL_PIXEL_FORMAT_YCbCr_422_SP:
-        case HAL_PIXEL_FORMAT_YCbCr_420_SP:
-        case HAL_PIXEL_FORMAT_YCbCr_422_P:
-        case HAL_PIXEL_FORMAT_YCbCr_420_P:
-        case HAL_PIXEL_FORMAT_YCbCr_422_I:
-        case HAL_PIXEL_FORMAT_YCbCr_420_I:
-        case HAL_PIXEL_FORMAT_YCrCb_420_SP:
-            return true;
-    }
-    return false;
-}
-
-void LayerBase::loadTexture(Texture* texture, 
-        const Region& dirty, const GGLSurface& t) const
-{
-    if (texture->name == -1U) {
-        // uh?
-        return;
-    }
-
-    glBindTexture(GL_TEXTURE_2D, texture->name);
-
-    /*
-     * In OpenGL ES we can't specify a stride with glTexImage2D (however,
-     * GL_UNPACK_ALIGNMENT is a limited form of stride).
-     * So if the stride here isn't representable with GL_UNPACK_ALIGNMENT, we
-     * need to do something reasonable (here creating a bigger texture).
-     * 
-     * extra pixels = (((stride - width) * pixelsize) / GL_UNPACK_ALIGNMENT);
-     * 
-     * This situation doesn't happen often, but some h/w have a limitation
-     * for their framebuffer (eg: must be multiple of 8 pixels), and
-     * we need to take that into account when using these buffers as
-     * textures.
-     *
-     * This should never be a problem with POT textures
-     */
-    
-    int unpack = __builtin_ctz(t.stride * bytesPerPixel(t.format));
-    unpack = 1 << ((unpack > 3) ? 3 : unpack);
-    glPixelStorei(GL_UNPACK_ALIGNMENT, unpack);
-    
-    /*
-     * round to POT if needed 
-     */
-    if (!(mFlags & DisplayHardware::NPOT_EXTENSION)) {
-        texture->NPOTAdjust = true;
-    }
-    
-    if (texture->NPOTAdjust) {
-        // find the smallest power-of-two that will accommodate our surface
-        texture->potWidth  = 1 << (31 - clz(t.width));
-        texture->potHeight = 1 << (31 - clz(t.height));
-        if (texture->potWidth  < t.width)  texture->potWidth  <<= 1;
-        if (texture->potHeight < t.height) texture->potHeight <<= 1;
-        texture->wScale = float(t.width)  / texture->potWidth;
-        texture->hScale = float(t.height) / texture->potHeight;
-    } else {
-        texture->potWidth  = t.width;
-        texture->potHeight = t.height;
-    }
-
-    Rect bounds(dirty.bounds());
-    GLvoid* data = 0;
-    if (texture->width != t.width || texture->height != t.height) {
-        texture->width  = t.width;
-        texture->height = t.height;
-
-        // texture size changed, we need to create a new one
-        bounds.set(Rect(t.width, t.height));
-        if (t.width  == texture->potWidth &&
-            t.height == texture->potHeight) {
-            // we can do it one pass
-            data = t.data;
-        }
-
-        if (t.format == HAL_PIXEL_FORMAT_RGB_565) {
-            glTexImage2D(GL_TEXTURE_2D, 0,
-                    GL_RGB, texture->potWidth, texture->potHeight, 0,
-                    GL_RGB, GL_UNSIGNED_SHORT_5_6_5, data);
-        } else if (t.format == HAL_PIXEL_FORMAT_RGBA_4444) {
-            glTexImage2D(GL_TEXTURE_2D, 0,
-                    GL_RGBA, texture->potWidth, texture->potHeight, 0,
-                    GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, data);
-        } else if (t.format == HAL_PIXEL_FORMAT_RGBA_8888 ||
-                   t.format == HAL_PIXEL_FORMAT_RGBX_8888) {
-            glTexImage2D(GL_TEXTURE_2D, 0,
-                    GL_RGBA, texture->potWidth, texture->potHeight, 0,
-                    GL_RGBA, GL_UNSIGNED_BYTE, data);
-        } else if (isSupportedYuvFormat(t.format)) {
-            // just show the Y plane of YUV buffers
-            glTexImage2D(GL_TEXTURE_2D, 0,
-                    GL_LUMINANCE, texture->potWidth, texture->potHeight, 0,
-                    GL_LUMINANCE, GL_UNSIGNED_BYTE, data);
-        } else {
-            // oops, we don't handle this format!
-            LOGE("layer %p, texture=%d, using format %d, which is not "
-                 "supported by the GL", this, texture->name, t.format);
-        }
-    }
-    if (!data) {
-        if (t.format == HAL_PIXEL_FORMAT_RGB_565) {
-            glTexSubImage2D(GL_TEXTURE_2D, 0,
-                    0, bounds.top, t.width, bounds.height(),
-                    GL_RGB, GL_UNSIGNED_SHORT_5_6_5,
-                    t.data + bounds.top*t.stride*2);
-        } else if (t.format == HAL_PIXEL_FORMAT_RGBA_4444) {
-            glTexSubImage2D(GL_TEXTURE_2D, 0,
-                    0, bounds.top, t.width, bounds.height(),
-                    GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4,
-                    t.data + bounds.top*t.stride*2);
-        } else if (t.format == HAL_PIXEL_FORMAT_RGBA_8888 ||
-                   t.format == HAL_PIXEL_FORMAT_RGBX_8888) {
-            glTexSubImage2D(GL_TEXTURE_2D, 0,
-                    0, bounds.top, t.width, bounds.height(),
-                    GL_RGBA, GL_UNSIGNED_BYTE,
-                    t.data + bounds.top*t.stride*4);
-        } else if (isSupportedYuvFormat(t.format)) {
-            // just show the Y plane of YUV buffers
-            glTexSubImage2D(GL_TEXTURE_2D, 0,
-                    0, bounds.top, t.width, bounds.height(),
-                    GL_LUMINANCE, GL_UNSIGNED_BYTE,
-                    t.data + bounds.top*t.stride);
-        }
-    }
-}
-
-status_t LayerBase::initializeEglImage(
-        const sp<GraphicBuffer>& buffer, Texture* texture)
-{
-    status_t err = NO_ERROR;
-
-    // we need to recreate the texture
-    EGLDisplay dpy(mFlinger->graphicPlane(0).getEGLDisplay());
-
-    // free the previous image
-    if (texture->image != EGL_NO_IMAGE_KHR) {
-        eglDestroyImageKHR(dpy, texture->image);
-        texture->image = EGL_NO_IMAGE_KHR;
-    }
-
-    // construct an EGL_NATIVE_BUFFER_ANDROID
-    android_native_buffer_t* clientBuf = buffer->getNativeBuffer();
-
-    // create the new EGLImageKHR
-    const EGLint attrs[] = {
-            EGL_IMAGE_PRESERVED_KHR,    EGL_TRUE,
-            EGL_NONE,                   EGL_NONE
-    };
-    texture->image = eglCreateImageKHR(
-            dpy, EGL_NO_CONTEXT, EGL_NATIVE_BUFFER_ANDROID,
-            (EGLClientBuffer)clientBuf, attrs);
-
-    if (texture->image != EGL_NO_IMAGE_KHR) {
-        glBindTexture(GL_TEXTURE_2D, texture->name);
-        glEGLImageTargetTexture2DOES(GL_TEXTURE_2D,
-                (GLeglImageOES)texture->image);
-        GLint error = glGetError();
-        if (UNLIKELY(error != GL_NO_ERROR)) {
-            LOGE("layer=%p, glEGLImageTargetTexture2DOES(%p) "
-                 "failed err=0x%04x",
-                 this, texture->image, error);
-            err = INVALID_OPERATION;
-        } else {
-            // Everything went okay!
-            texture->NPOTAdjust = false;
-            texture->dirty  = false;
-            texture->width  = clientBuf->width;
-            texture->height = clientBuf->height;
-        }
-    } else {
-        LOGE("layer=%p, eglCreateImageKHR() failed. err=0x%4x",
-                this, eglGetError());
-        err = INVALID_OPERATION;
-    }
-    return err;
-}
-
-
-// ---------------------------------------------------------------------------
-
-int32_t LayerBaseClient::sIdentity = 0;
-
-LayerBaseClient::LayerBaseClient(SurfaceFlinger* flinger, DisplayID display,
-        const sp<Client>& client, int32_t i)
-    : LayerBase(flinger, display), lcblk(NULL), client(client), mIndex(i),
-      mIdentity(uint32_t(android_atomic_inc(&sIdentity)))
-{
-    lcblk = new SharedBufferServer(
-            client->ctrlblk, i, NUM_BUFFERS,
-            mIdentity);
-}
-
-void LayerBaseClient::onFirstRef()
-{    
-    sp<Client> client(this->client.promote());
-    if (client != 0) {
-        client->bindLayer(this, mIndex);
-    }
-}
-
-LayerBaseClient::~LayerBaseClient()
-{
-    sp<Client> client(this->client.promote());
-    if (client != 0) {
-        client->free(mIndex);
-    }
-    delete lcblk;
-}
-
-int32_t LayerBaseClient::serverIndex() const 
-{
-    sp<Client> client(this->client.promote());
-    if (client != 0) {
-        return (client->cid<<16)|mIndex;
-    }
-    return 0xFFFF0000 | mIndex;
-}
-
-sp<LayerBaseClient::Surface> LayerBaseClient::getSurface()
-{
-    sp<Surface> s;
-    Mutex::Autolock _l(mLock);
-    s = mClientSurface.promote();
-    if (s == 0) {
-        s = createSurface();
-        mClientSurface = s;
-    }
-    return s;
-}
-
-sp<LayerBaseClient::Surface> LayerBaseClient::createSurface() const
-{
-    return new Surface(mFlinger, clientIndex(), mIdentity,
-            const_cast<LayerBaseClient *>(this));
-}
-
-// called with SurfaceFlinger::mStateLock as soon as the layer is entered
-// in the purgatory list
-void LayerBaseClient::onRemoved()
-{
-    // wake up the condition
-    lcblk->setStatus(NO_INIT);
-}
-
-// ---------------------------------------------------------------------------
-
-LayerBaseClient::Surface::Surface(
-        const sp<SurfaceFlinger>& flinger,
-        SurfaceID id, int identity, 
-        const sp<LayerBaseClient>& owner) 
-    : mFlinger(flinger), mToken(id), mIdentity(identity), mOwner(owner)
-{
-}
-
-LayerBaseClient::Surface::~Surface() 
-{
-    /*
-     * This is a good place to clean-up all client resources 
-     */
-
-    // destroy client resources
-    sp<LayerBaseClient> layer = getOwner();
-    if (layer != 0) {
-        mFlinger->destroySurface(layer);
-    }
-}
-
-sp<LayerBaseClient> LayerBaseClient::Surface::getOwner() const {
-    sp<LayerBaseClient> owner(mOwner.promote());
-    return owner;
-}
-
-status_t LayerBaseClient::Surface::onTransact(
-        uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
-{
-    switch (code) {
-        case REGISTER_BUFFERS:
-        case UNREGISTER_BUFFERS:
-        case CREATE_OVERLAY:
-        {
-            if (!mFlinger->mAccessSurfaceFlinger.checkCalling()) {
-                IPCThreadState* ipc = IPCThreadState::self();
-                const int pid = ipc->getCallingPid();
-                const int uid = ipc->getCallingUid();
-                LOGE("Permission Denial: "
-                        "can't access SurfaceFlinger pid=%d, uid=%d", pid, uid);
-                return PERMISSION_DENIED;
-            }
-        }
-    }
-    return BnSurface::onTransact(code, data, reply, flags);
-}
-
-sp<GraphicBuffer> LayerBaseClient::Surface::requestBuffer(int index, int usage) 
-{
-    return NULL; 
-}
-
-status_t LayerBaseClient::Surface::registerBuffers(
-        const ISurface::BufferHeap& buffers) 
-{ 
-    return INVALID_OPERATION; 
-}
-
-void LayerBaseClient::Surface::postBuffer(ssize_t offset) 
-{
-}
-
-void LayerBaseClient::Surface::unregisterBuffers() 
-{
-}
-
-sp<OverlayRef> LayerBaseClient::Surface::createOverlay(
-        uint32_t w, uint32_t h, int32_t format, int32_t orientation)
-{
-    return NULL;
-};
-
-// ---------------------------------------------------------------------------
-
-}; // namespace android
diff --git a/libs/surfaceflinger/LayerDim.cpp b/libs/surfaceflinger/LayerDim.cpp
deleted file mode 100644
index fd61e30..0000000
--- a/libs/surfaceflinger/LayerDim.cpp
+++ /dev/null
@@ -1,168 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdlib.h>
-#include <stdint.h>
-#include <sys/types.h>
-
-#include <utils/Errors.h>
-#include <utils/Log.h>
-
-#include <ui/GraphicBuffer.h>
-
-#include "LayerDim.h"
-#include "SurfaceFlinger.h"
-#include "DisplayHardware/DisplayHardware.h"
-
-namespace android {
-// ---------------------------------------------------------------------------
-
-const uint32_t LayerDim::typeInfo = LayerBaseClient::typeInfo | 0x10;
-const char* const LayerDim::typeID = "LayerDim";
-
-bool LayerDim::sUseTexture;
-GLuint LayerDim::sTexId;
-EGLImageKHR LayerDim::sImage;
-int32_t LayerDim::sWidth;
-int32_t LayerDim::sHeight;
-
-// ---------------------------------------------------------------------------
-
-LayerDim::LayerDim(SurfaceFlinger* flinger, DisplayID display,
-        const sp<Client>& client, int32_t i)
-    : LayerBaseClient(flinger, display, client, i)
-{
-}
-
-void LayerDim::initDimmer(SurfaceFlinger* flinger, uint32_t w, uint32_t h)
-{
-    sTexId = -1;
-    sImage = EGL_NO_IMAGE_KHR;
-    sWidth = w;
-    sHeight = h;
-    sUseTexture = false;
-    
-#if defined(DIM_WITH_TEXTURE) && defined(EGL_ANDROID_image_native_buffer)
-
-#warning "using a texture to implement LayerDim"
-    
-    /* On some h/w like msm7K, it is faster to use a texture because the
-     * software renderer will defer to copybit, for this to work we need to
-     * use an EGLImage texture so copybit can actually make use of it.
-     * This burns a full-screen worth of graphic memory.
-     */
-
-    const DisplayHardware& hw(flinger->graphicPlane(0).displayHardware());
-    uint32_t flags = hw.getFlags();
-
-    if (LIKELY(flags & DisplayHardware::DIRECT_TEXTURE)) {
-        sp<GraphicBuffer> buffer = new GraphicBuffer(w, h, PIXEL_FORMAT_RGB_565,
-                 GraphicBuffer::USAGE_SW_WRITE_OFTEN |
-                 GraphicBuffer::USAGE_HW_TEXTURE);
-        
-        android_native_buffer_t* clientBuf = buffer->getNativeBuffer();
-
-        glGenTextures(1, &sTexId);
-        glBindTexture(GL_TEXTURE_2D, sTexId);
-
-        EGLDisplay dpy = eglGetCurrentDisplay();
-        sImage = eglCreateImageKHR(dpy, EGL_NO_CONTEXT, 
-                EGL_NATIVE_BUFFER_ANDROID, (EGLClientBuffer)clientBuf, 0);
-        if (sImage == EGL_NO_IMAGE_KHR) {
-            LOGE("eglCreateImageKHR() failed. err=0x%4x", eglGetError());
-            return;
-        }
-
-        glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, (GLeglImageOES)sImage);
-        GLint error = glGetError();
-        if (error != GL_NO_ERROR) {
-            eglDestroyImageKHR(dpy, sImage);
-            LOGE("glEGLImageTargetTexture2DOES() failed. err=0x%4x", error);
-            return;
-        }
-
-        // initialize the texture with zeros
-        GGLSurface t;
-        buffer->lock(&t, GRALLOC_USAGE_SW_WRITE_OFTEN);
-        memset(t.data, 0, t.stride * t.height * 2);
-        buffer->unlock();
-        sUseTexture = true;
-    }
-#endif
-}
-
-LayerDim::~LayerDim()
-{
-}
-
-void LayerDim::onDraw(const Region& clip) const
-{
-    const State& s(drawingState());
-    Region::const_iterator it = clip.begin();
-    Region::const_iterator const end = clip.end();
-    if (s.alpha>0 && (it != end)) {
-        const DisplayHardware& hw(graphicPlane(0).displayHardware());
-        const GGLfixed alpha = (s.alpha << 16)/255;
-        const uint32_t fbHeight = hw.getHeight();
-        glDisable(GL_DITHER);
-        glEnable(GL_BLEND);
-        glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
-        glColor4x(0, 0, 0, alpha);
-        
-#if defined(DIM_WITH_TEXTURE) && defined(EGL_ANDROID_image_native_buffer)
-        if (sUseTexture) {
-            glBindTexture(GL_TEXTURE_2D, sTexId);
-            glEnable(GL_TEXTURE_2D);
-            glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
-            const GLshort texCoords[4][2] = {
-                    { 0,  0 },
-                    { 0,  1 },
-                    { 1,  1 },
-                    { 1,  0 }
-            };
-            glMatrixMode(GL_TEXTURE);
-            glLoadIdentity();
-            glEnableClientState(GL_TEXTURE_COORD_ARRAY);
-            glTexCoordPointer(2, GL_SHORT, 0, texCoords);
-        } else
-#endif
-        {
-            glDisable(GL_TEXTURE_2D);
-        }
-
-        GLshort w = sWidth;
-        GLshort h = sHeight;
-        const GLshort vertices[4][2] = {
-                { 0, 0 },
-                { 0, h },
-                { w, h },
-                { w, 0 }
-        };
-        glVertexPointer(2, GL_SHORT, 0, vertices);
-
-        while (it != end) {
-            const Rect& r = *it++;
-            const GLint sy = fbHeight - (r.top + r.height());
-            glScissor(r.left, sy, r.width(), r.height());
-            glDrawArrays(GL_TRIANGLE_FAN, 0, 4); 
-        }
-    }
-    glDisableClientState(GL_TEXTURE_COORD_ARRAY);
-}
-
-// ---------------------------------------------------------------------------
-
-}; // namespace android
diff --git a/libs/surfaceflinger/Tokenizer.cpp b/libs/surfaceflinger/Tokenizer.cpp
deleted file mode 100644
index be3a239..0000000
--- a/libs/surfaceflinger/Tokenizer.cpp
+++ /dev/null
@@ -1,173 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdio.h>
-
-#include "Tokenizer.h"
-
-// ----------------------------------------------------------------------------
-
-namespace android {
-
-ANDROID_BASIC_TYPES_TRAITS(Tokenizer::run_t)
-
-Tokenizer::Tokenizer()
-{
-}
-
-Tokenizer::Tokenizer(const Tokenizer& other)
-    : mRanges(other.mRanges)
-{
-}
-
-Tokenizer::~Tokenizer()
-{
-}
-
-uint32_t Tokenizer::acquire()
-{
-    if (!mRanges.size() || mRanges[0].first) {
-        _insertTokenAt(0,0);
-        return 0;
-    }
-    
-    // just extend the first run
-    const run_t& run = mRanges[0];
-    uint32_t token = run.first + run.length;
-    _insertTokenAt(token, 1);
-    return token;
-}
-
-bool Tokenizer::isAcquired(uint32_t token) const
-{
-    return (_indexOrderOf(token) >= 0);
-}
-
-status_t Tokenizer::reserve(uint32_t token)
-{
-    size_t o;
-    const ssize_t i = _indexOrderOf(token, &o);
-    if (i >= 0) {
-        return BAD_VALUE; // this token is already taken
-    }
-    ssize_t err = _insertTokenAt(token, o);
-    return (err<0) ? err : status_t(NO_ERROR);
-}
-
-status_t Tokenizer::release(uint32_t token)
-{
-    const ssize_t i = _indexOrderOf(token);
-    if (i >= 0) {
-        const run_t& run = mRanges[i];
-        if ((token >= run.first) && (token < run.first+run.length)) {
-            // token in this range, we need to split
-            run_t& run = mRanges.editItemAt(i);
-            if ((token == run.first) || (token == run.first+run.length-1)) {
-                if (token == run.first) {
-                    run.first += 1;
-                }
-                run.length -= 1;
-                if (run.length == 0) {
-                    // XXX: should we systematically remove a run that's empty?
-                    mRanges.removeItemsAt(i);
-                }
-            } else {
-                // split the run
-                run_t new_run;
-                new_run.first = token+1;
-                new_run.length = run.first+run.length - new_run.first;
-                run.length = token - run.first;
-                mRanges.insertAt(new_run, i+1);
-            }
-            return NO_ERROR;
-        }
-    }
-    return NAME_NOT_FOUND;
-}
-
-ssize_t Tokenizer::_indexOrderOf(uint32_t token, size_t* order) const
-{
-    // binary search
-    ssize_t err = NAME_NOT_FOUND;
-    ssize_t l = 0;
-    ssize_t h = mRanges.size()-1;
-    ssize_t mid;
-    const run_t* a = mRanges.array();
-    while (l <= h) {
-        mid = l + (h - l)/2;
-        const run_t* const curr = a + mid;
-        int c = 0;
-        if (token < curr->first)                        c = 1;
-        else if (token >= curr->first+curr->length)     c = -1;
-        if (c == 0) {
-            err = l = mid;
-            break;
-        } else if (c < 0) {
-            l = mid + 1;
-        } else {
-            h = mid - 1;
-        }
-    }
-    if (order) *order = l;
-    return err;
-}
-
-ssize_t Tokenizer::_insertTokenAt(uint32_t token, size_t index)
-{
-    const size_t c = mRanges.size();
-
-    if (index >= 1) {
-        // do we need to merge with the previous run?
-        run_t& p = mRanges.editItemAt(index-1);
-        if (p.first+p.length == token) {
-            p.length += 1;
-            if (index < c) {
-                const run_t& n = mRanges[index];
-                if (token+1 == n.first) {
-                    p.length += n.length;
-                    mRanges.removeItemsAt(index);
-                }
-            }
-            return index;
-        }
-    }
-    
-    if (index < c) {
-        // do we need to merge with the next run?
-        run_t& n = mRanges.editItemAt(index);
-        if (token+1 == n.first) {
-            n.first -= 1;
-            n.length += 1;
-            return index;
-        }
-    }
-
-    return mRanges.insertAt(run_t(token,1), index);
-}
-
-void Tokenizer::dump() const
-{
-    const run_t* ranges = mRanges.array();
-    const size_t c = mRanges.size();
-    printf("Tokenizer (%p, size = %d)\n", this, int(c));
-    for (size_t i=0 ; i<c ; i++) {
-        printf("%u: (%u, %u)\n", i,
-                uint32_t(ranges[i].first), uint32_t(ranges[i].length));
-    }
-}
-
-}; // namespace android
-
diff --git a/libs/surfaceflinger/Tokenizer.h b/libs/surfaceflinger/Tokenizer.h
deleted file mode 100644
index 6b3057d..0000000
--- a/libs/surfaceflinger/Tokenizer.h
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_TOKENIZER_H
-#define ANDROID_TOKENIZER_H
-
-#include <utils/Vector.h>
-#include <utils/Errors.h>
-
-// ----------------------------------------------------------------------------
-
-namespace android {
-
-class Tokenizer
-{
-public:
-                Tokenizer();
-                Tokenizer(const Tokenizer& other);
-                ~Tokenizer();
-
-    uint32_t    acquire();
-    status_t    reserve(uint32_t token);
-    status_t    release(uint32_t token);
-    bool        isAcquired(uint32_t token) const;
-
-    void dump() const;
-
-    struct run_t {
-        run_t() {};
-        run_t(uint32_t f, uint32_t l) : first(f), length(l) {}
-        uint32_t    first;
-        uint32_t    length;
-    };
-private:
-    ssize_t _indexOrderOf(uint32_t token, size_t* order=0) const;
-    ssize_t _insertTokenAt(uint32_t token, size_t index);
-    Vector<run_t>   mRanges;
-};
-
-}; // namespace android
-
-// ----------------------------------------------------------------------------
-
-#endif // ANDROID_TOKENIZER_H
diff --git a/libs/surfaceflinger_client/Android.mk b/libs/surfaceflinger_client/Android.mk
index fe85b34..ce3c71a 100644
--- a/libs/surfaceflinger_client/Android.mk
+++ b/libs/surfaceflinger_client/Android.mk
@@ -4,7 +4,7 @@
 LOCAL_SRC_FILES:= \
 	ISurfaceComposer.cpp \
 	ISurface.cpp \
-	ISurfaceFlingerClient.cpp \
+	ISurfaceComposerClient.cpp \
 	LayerState.cpp \
 	SharedBufferStack.cpp \
 	Surface.cpp \
diff --git a/libs/surfaceflinger_client/ISurface.cpp b/libs/surfaceflinger_client/ISurface.cpp
index bb86199..7049d9e 100644
--- a/libs/surfaceflinger_client/ISurface.cpp
+++ b/libs/surfaceflinger_client/ISurface.cpp
@@ -71,11 +71,15 @@
     {
     }
 
-    virtual sp<GraphicBuffer> requestBuffer(int bufferIdx, int usage)
+    virtual sp<GraphicBuffer> requestBuffer(int bufferIdx,
+            uint32_t w, uint32_t h, uint32_t format, uint32_t usage)
     {
         Parcel data, reply;
         data.writeInterfaceToken(ISurface::getInterfaceDescriptor());
         data.writeInt32(bufferIdx);
+        data.writeInt32(w);
+        data.writeInt32(h);
+        data.writeInt32(format);
         data.writeInt32(usage);
         remote()->transact(REQUEST_BUFFER, data, &reply);
         sp<GraphicBuffer> buffer = new GraphicBuffer();
@@ -83,6 +87,16 @@
         return buffer;
     }
 
+    virtual status_t setBufferCount(int bufferCount)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(ISurface::getInterfaceDescriptor());
+        data.writeInt32(bufferCount);
+        remote()->transact(SET_BUFFER_COUNT, data, &reply);
+        status_t err = reply.readInt32();
+        return err;
+    }
+
     virtual status_t registerBuffers(const BufferHeap& buffers)
     {
         Parcel data, reply;
@@ -140,12 +154,22 @@
         case REQUEST_BUFFER: {
             CHECK_INTERFACE(ISurface, data, reply);
             int bufferIdx = data.readInt32();
-            int usage = data.readInt32();
-            sp<GraphicBuffer> buffer(requestBuffer(bufferIdx, usage));
+            uint32_t w = data.readInt32();
+            uint32_t h = data.readInt32();
+            uint32_t format = data.readInt32();
+            uint32_t usage = data.readInt32();
+            sp<GraphicBuffer> buffer(requestBuffer(bufferIdx, w, h, format, usage));
             if (buffer == NULL)
                 return BAD_VALUE;
             return reply->write(*buffer);
         }
+        case SET_BUFFER_COUNT: {
+            CHECK_INTERFACE(ISurface, data, reply);
+            int bufferCount = data.readInt32();
+            status_t err = setBufferCount(bufferCount);
+            reply->writeInt32(err);
+            return NO_ERROR;
+        }
         case REGISTER_BUFFERS: {
             CHECK_INTERFACE(ISurface, data, reply);
             BufferHeap buffer;
diff --git a/libs/surfaceflinger_client/ISurfaceComposer.cpp b/libs/surfaceflinger_client/ISurfaceComposer.cpp
index b6f4e24..5c111f6 100644
--- a/libs/surfaceflinger_client/ISurfaceComposer.cpp
+++ b/libs/surfaceflinger_client/ISurfaceComposer.cpp
@@ -46,13 +46,22 @@
     {
     }
 
-    virtual sp<ISurfaceFlingerClient> createConnection()
+    virtual sp<ISurfaceComposerClient> createConnection()
     {
         uint32_t n;
         Parcel data, reply;
         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
         remote()->transact(BnSurfaceComposer::CREATE_CONNECTION, data, &reply);
-        return interface_cast<ISurfaceFlingerClient>(reply.readStrongBinder());
+        return interface_cast<ISurfaceComposerClient>(reply.readStrongBinder());
+    }
+
+    virtual sp<ISurfaceComposerClient> createClientConnection()
+    {
+        uint32_t n;
+        Parcel data, reply;
+        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+        remote()->transact(BnSurfaceComposer::CREATE_CLIENT_CONNECTION, data, &reply);
+        return interface_cast<ISurfaceComposerClient>(reply.readStrongBinder());
     }
 
     virtual sp<IMemoryHeap> getCblk() const
@@ -136,6 +145,11 @@
             sp<IBinder> b = createConnection()->asBinder();
             reply->writeStrongBinder(b);
         } break;
+        case CREATE_CLIENT_CONNECTION: {
+            CHECK_INTERFACE(ISurfaceComposer, data, reply);
+            sp<IBinder> b = createClientConnection()->asBinder();
+            reply->writeStrongBinder(b);
+        } break;
         case OPEN_GLOBAL_TRANSACTION: {
             CHECK_INTERFACE(ISurfaceComposer, data, reply);
             openGlobalTransaction();
diff --git a/libs/surfaceflinger_client/ISurfaceFlingerClient.cpp b/libs/surfaceflinger_client/ISurfaceComposerClient.cpp
similarity index 77%
rename from libs/surfaceflinger_client/ISurfaceFlingerClient.cpp
rename to libs/surfaceflinger_client/ISurfaceComposerClient.cpp
index def96d7..2cc1f8e 100644
--- a/libs/surfaceflinger_client/ISurfaceFlingerClient.cpp
+++ b/libs/surfaceflinger_client/ISurfaceComposerClient.cpp
@@ -30,7 +30,7 @@
 #include <ui/Rect.h>
 
 #include <surfaceflinger/ISurface.h>
-#include <surfaceflinger/ISurfaceFlingerClient.h>
+#include <surfaceflinger/ISurfaceComposerClient.h>
 #include <private/surfaceflinger/LayerState.h>
 
 // ---------------------------------------------------------------------------
@@ -51,27 +51,37 @@
 
 enum {
     GET_CBLK = IBinder::FIRST_CALL_TRANSACTION,
+    GET_TOKEN,
     CREATE_SURFACE,
     DESTROY_SURFACE,
     SET_STATE
 };
 
-class BpSurfaceFlingerClient : public BpInterface<ISurfaceFlingerClient>
+class BpSurfaceComposerClient : public BpInterface<ISurfaceComposerClient>
 {
 public:
-    BpSurfaceFlingerClient(const sp<IBinder>& impl)
-        : BpInterface<ISurfaceFlingerClient>(impl)
+    BpSurfaceComposerClient(const sp<IBinder>& impl)
+        : BpInterface<ISurfaceComposerClient>(impl)
     {
     }
 
     virtual sp<IMemoryHeap> getControlBlock() const
     {
         Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceFlingerClient::getInterfaceDescriptor());
+        data.writeInterfaceToken(ISurfaceComposerClient::getInterfaceDescriptor());
         remote()->transact(GET_CBLK, data, &reply);
         return interface_cast<IMemoryHeap>(reply.readStrongBinder());
     }
 
+    virtual ssize_t getTokenForSurface(const sp<ISurface>& sur) const
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(ISurfaceComposerClient::getInterfaceDescriptor());
+        data.writeStrongBinder(sur->asBinder());
+        remote()->transact(GET_TOKEN, data, &reply);
+        return reply.readInt32();
+    }
+
     virtual sp<ISurface> createSurface( surface_data_t* params,
                                         int pid,
                                         const String8& name,
@@ -82,7 +92,7 @@
                                         uint32_t flags)
     {
         Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceFlingerClient::getInterfaceDescriptor());
+        data.writeInterfaceToken(ISurfaceComposerClient::getInterfaceDescriptor());
         data.writeInt32(pid);
         data.writeString8(name);
         data.writeInt32(display);
@@ -94,11 +104,11 @@
         params->readFromParcel(reply);
         return interface_cast<ISurface>(reply.readStrongBinder());
     }
-                                    
+
     virtual status_t destroySurface(SurfaceID sid)
     {
         Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceFlingerClient::getInterfaceDescriptor());
+        data.writeInterfaceToken(ISurfaceComposerClient::getInterfaceDescriptor());
         data.writeInt32(sid);
         remote()->transact(DESTROY_SURFACE, data, &reply);
         return reply.readInt32();
@@ -107,7 +117,7 @@
     virtual status_t setState(int32_t count, const layer_state_t* states)
     {
         Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceFlingerClient::getInterfaceDescriptor());
+        data.writeInterfaceToken(ISurfaceComposerClient::getInterfaceDescriptor());
         data.writeInt32(count);
         for (int i=0 ; i<count ; i++)
             states[i].write(data);
@@ -116,26 +126,33 @@
     }
 };
 
-IMPLEMENT_META_INTERFACE(SurfaceFlingerClient, "android.ui.ISurfaceFlingerClient");
+IMPLEMENT_META_INTERFACE(SurfaceComposerClient, "android.ui.ISurfaceComposerClient");
 
 // ----------------------------------------------------------------------
 
-status_t BnSurfaceFlingerClient::onTransact(
+status_t BnSurfaceComposerClient::onTransact(
     uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
 {
     // codes that don't require permission check
 
     switch(code) {
         case GET_CBLK: {
-            CHECK_INTERFACE(ISurfaceFlingerClient, data, reply);
+            CHECK_INTERFACE(ISurfaceComposerClient, data, reply);
             sp<IMemoryHeap> ctl(getControlBlock());
             reply->writeStrongBinder(ctl->asBinder());
             return NO_ERROR;
         } break;
+        case GET_TOKEN: {
+            CHECK_INTERFACE(ISurfaceComposerClient, data, reply);
+            sp<ISurface> sur = interface_cast<ISurface>(data.readStrongBinder());
+            ssize_t token = getTokenForSurface(sur);
+            reply->writeInt32(token);
+            return NO_ERROR;
+        } break;
     }
 
     // these must be checked
-     
+
      IPCThreadState* ipc = IPCThreadState::self();
      const int pid = ipc->getCallingPid();
      const int uid = ipc->getCallingUid();
@@ -150,10 +167,10 @@
              return PERMISSION_DENIED;
          }
      }
-   
+
      switch(code) {
         case CREATE_SURFACE: {
-            CHECK_INTERFACE(ISurfaceFlingerClient, data, reply);
+            CHECK_INTERFACE(ISurfaceComposerClient, data, reply);
             surface_data_t params;
             int32_t pid = data.readInt32();
             String8 name = data.readString8();
@@ -169,12 +186,12 @@
             return NO_ERROR;
         } break;
         case DESTROY_SURFACE: {
-            CHECK_INTERFACE(ISurfaceFlingerClient, data, reply);
+            CHECK_INTERFACE(ISurfaceComposerClient, data, reply);
             reply->writeInt32( destroySurface( data.readInt32() ) );
             return NO_ERROR;
         } break;
         case SET_STATE: {
-            CHECK_INTERFACE(ISurfaceFlingerClient, data, reply);
+            CHECK_INTERFACE(ISurfaceComposerClient, data, reply);
             int32_t count = data.readInt32();
             layer_state_t* states = new layer_state_t[count];
             for (int i=0 ; i<count ; i++)
@@ -191,7 +208,7 @@
 
 // ----------------------------------------------------------------------
 
-status_t ISurfaceFlingerClient::surface_data_t::readFromParcel(const Parcel& parcel)
+status_t ISurfaceComposerClient::surface_data_t::readFromParcel(const Parcel& parcel)
 {
     token    = parcel.readInt32();
     identity = parcel.readInt32();
@@ -201,7 +218,7 @@
     return NO_ERROR;
 }
 
-status_t ISurfaceFlingerClient::surface_data_t::writeToParcel(Parcel* parcel) const
+status_t ISurfaceComposerClient::surface_data_t::writeToParcel(Parcel* parcel) const
 {
     parcel->writeInt32(token);
     parcel->writeInt32(identity);
diff --git a/libs/surfaceflinger_client/SharedBufferStack.cpp b/libs/surfaceflinger_client/SharedBufferStack.cpp
index a17e8ac..d67a589 100644
--- a/libs/surfaceflinger_client/SharedBufferStack.cpp
+++ b/libs/surfaceflinger_client/SharedBufferStack.cpp
@@ -44,15 +44,11 @@
 
 // these functions are used by the clients
 status_t SharedClient::validate(size_t i) const {
-    if (uint32_t(i) >= uint32_t(NUM_LAYERS_MAX))
+    if (uint32_t(i) >= uint32_t(SharedBufferStack::NUM_LAYERS_MAX))
         return BAD_INDEX;
     return surfaces[i].status;
 }
 
-uint32_t SharedClient::getIdentity(size_t token) const {
-    return uint32_t(surfaces[token].identity);
-}
-
 // ----------------------------------------------------------------------------
 
 
@@ -62,24 +58,52 @@
 
 void SharedBufferStack::init(int32_t i)
 {
-    inUse = -1;
+    inUse = -2;
     status = NO_ERROR;
     identity = i;
 }
 
+status_t SharedBufferStack::setCrop(int buffer, const Rect& crop)
+{
+    if (uint32_t(buffer) >= NUM_BUFFER_MAX)
+        return BAD_INDEX;
+
+    buffers[buffer].crop.l = uint16_t(crop.left);
+    buffers[buffer].crop.t = uint16_t(crop.top);
+    buffers[buffer].crop.r = uint16_t(crop.right);
+    buffers[buffer].crop.b = uint16_t(crop.bottom);
+    return NO_ERROR;
+}
+
 status_t SharedBufferStack::setDirtyRegion(int buffer, const Region& dirty)
 {
     if (uint32_t(buffer) >= NUM_BUFFER_MAX)
         return BAD_INDEX;
 
-    // in the current implementation we only send a single rectangle
-    const Rect bounds(dirty.getBounds());
-    FlatRegion& reg(dirtyRegion[buffer]);
-    reg.count = 1;
-    reg.rects[0] = uint16_t(bounds.left);
-    reg.rects[1] = uint16_t(bounds.top);
-    reg.rects[2] = uint16_t(bounds.right);
-    reg.rects[3] = uint16_t(bounds.bottom);
+    FlatRegion& reg(buffers[buffer].dirtyRegion);
+    if (dirty.isEmpty()) {
+        reg.count = 0;
+        return NO_ERROR;
+    }
+
+    size_t count;
+    Rect const* r = dirty.getArray(&count);
+    if (count > FlatRegion::NUM_RECT_MAX) {
+        const Rect bounds(dirty.getBounds());
+        reg.count = 1;
+        reg.rects[0].l = uint16_t(bounds.left);
+        reg.rects[0].t = uint16_t(bounds.top);
+        reg.rects[0].r = uint16_t(bounds.right);
+        reg.rects[0].b = uint16_t(bounds.bottom);
+    } else {
+        reg.count = count;
+        for (size_t i=0 ; i<count ; i++) {
+            reg.rects[i].l = uint16_t(r[i].left);
+            reg.rects[i].t = uint16_t(r[i].top);
+            reg.rects[i].r = uint16_t(r[i].right);
+            reg.rects[i].b = uint16_t(r[i].bottom);
+        }
+    }
     return NO_ERROR;
 }
 
@@ -89,18 +113,37 @@
     if (uint32_t(buffer) >= NUM_BUFFER_MAX)
         return res;
 
-    const FlatRegion& reg(dirtyRegion[buffer]);
-    res.set(Rect(reg.rects[0], reg.rects[1], reg.rects[2], reg.rects[3]));
+    const FlatRegion& reg(buffers[buffer].dirtyRegion);
+    if (reg.count > FlatRegion::NUM_RECT_MAX)
+        return res;
+
+    if (reg.count == 1) {
+        const Rect r(
+                reg.rects[0].l,
+                reg.rects[0].t,
+                reg.rects[0].r,
+                reg.rects[0].b);
+        res.set(r);
+    } else {
+        for (size_t i=0 ; i<reg.count ; i++) {
+            const Rect r(
+                    reg.rects[i].l,
+                    reg.rects[i].t,
+                    reg.rects[i].r,
+                    reg.rects[i].b);
+            res.orSelf(r);
+        }
+    }
     return res;
 }
 
 // ----------------------------------------------------------------------------
 
 SharedBufferBase::SharedBufferBase(SharedClient* sharedClient,
-        int surface, int num, int32_t identity)
+        int surface, int32_t identity)
     : mSharedClient(sharedClient), 
       mSharedStack(sharedClient->surfaces + surface),
-      mNumBuffers(num), mIdentity(identity)
+      mIdentity(identity)
 {
 }
 
@@ -108,18 +151,18 @@
 {
 }
 
-uint32_t SharedBufferBase::getIdentity()
-{
-    SharedBufferStack& stack( *mSharedStack );
-    return stack.identity;
-}
-
 status_t SharedBufferBase::getStatus() const
 {
     SharedBufferStack& stack( *mSharedStack );
     return stack.status;
 }
 
+int32_t SharedBufferBase::getIdentity() const
+{
+    SharedBufferStack& stack( *mSharedStack );
+    return stack.identity;
+}
+
 size_t SharedBufferBase::getFrontBuffer() const
 {
     SharedBufferStack& stack( *mSharedStack );
@@ -132,16 +175,52 @@
     char buffer[SIZE];
     String8 result;
     SharedBufferStack& stack( *mSharedStack );
-    int tail = (mNumBuffers + stack.head - stack.available + 1) % mNumBuffers;
     snprintf(buffer, SIZE, 
-            "%s[ head=%2d, available=%2d, queued=%2d, tail=%2d ] "
-            "reallocMask=%08x, inUse=%2d, identity=%d, status=%d\n",
-            prefix, stack.head, stack.available, stack.queued, tail,
+            "%s[ head=%2d, available=%2d, queued=%2d ] "
+            "reallocMask=%08x, inUse=%2d, identity=%d, status=%d",
+            prefix, stack.head, stack.available, stack.queued,
             stack.reallocMask, stack.inUse, stack.identity, stack.status);
     result.append(buffer);
+    result.append("\n");
     return result;
 }
 
+status_t SharedBufferBase::waitForCondition(const ConditionBase& condition)
+{
+    const SharedBufferStack& stack( *mSharedStack );
+    SharedClient& client( *mSharedClient );
+    const nsecs_t TIMEOUT = s2ns(1);
+    const int identity = mIdentity;
+
+    Mutex::Autolock _l(client.lock);
+    while ((condition()==false) &&
+            (stack.identity == identity) &&
+            (stack.status == NO_ERROR))
+    {
+        status_t err = client.cv.waitRelative(client.lock, TIMEOUT);
+        // handle errors and timeouts
+        if (CC_UNLIKELY(err != NO_ERROR)) {
+            if (err == TIMED_OUT) {
+                if (condition()) {
+                    LOGE("waitForCondition(%s) timed out (identity=%d), "
+                        "but condition is true! We recovered but it "
+                        "shouldn't happen." , condition.name(), stack.identity);
+                    break;
+                } else {
+                    LOGW("waitForCondition(%s) timed out "
+                        "(identity=%d, status=%d). "
+                        "CPU may be pegged. trying again.", condition.name(),
+                        stack.identity, stack.status);
+                }
+            } else {
+                LOGE("waitForCondition(%s) error (%s) ",
+                        condition.name(), strerror(-err));
+                return err;
+            }
+        }
+    }
+    return (stack.identity != mIdentity) ? status_t(BAD_INDEX) : stack.status;
+}
 // ============================================================================
 // conditions and updates
 // ============================================================================
@@ -149,24 +228,34 @@
 SharedBufferClient::DequeueCondition::DequeueCondition(
         SharedBufferClient* sbc) : ConditionBase(sbc)  { 
 }
-bool SharedBufferClient::DequeueCondition::operator()() {
+bool SharedBufferClient::DequeueCondition::operator()() const {
     return stack.available > 0;
 }
 
 SharedBufferClient::LockCondition::LockCondition(
         SharedBufferClient* sbc, int buf) : ConditionBase(sbc), buf(buf) { 
 }
-bool SharedBufferClient::LockCondition::operator()() {
-    return (buf != stack.head || 
+bool SharedBufferClient::LockCondition::operator()() const {
+    // NOTE: if stack.head is messed up, we could crash the client
+    // or cause some drawing artifacts. This is okay, as long as it is
+    // limited to the client.
+    return (buf != stack.index[stack.head] ||
             (stack.queued > 0 && stack.inUse != buf));
 }
 
 SharedBufferServer::ReallocateCondition::ReallocateCondition(
         SharedBufferBase* sbb, int buf) : ConditionBase(sbb), buf(buf) { 
 }
-bool SharedBufferServer::ReallocateCondition::operator()() {
+bool SharedBufferServer::ReallocateCondition::operator()() const {
+    int32_t head = stack.head;
+    if (uint32_t(head) >= SharedBufferStack::NUM_BUFFER_MAX) {
+        // if stack.head is messed up, we cannot allow the server to
+        // crash (since stack.head is mapped on the client side)
+        stack.status = BAD_VALUE;
+        return false;
+    }
     // TODO: we should also check that buf has been dequeued
-    return (buf != stack.head);
+    return (buf != stack.index[head]);
 }
 
 // ----------------------------------------------------------------------------
@@ -193,8 +282,10 @@
 }
 ssize_t SharedBufferServer::UnlockUpdate::operator()() {
     if (stack.inUse != lockedBuffer) {
-        LOGE("unlocking %d, but currently locked buffer is %d",
-                lockedBuffer, stack.inUse);
+        LOGE("unlocking %d, but currently locked buffer is %d "
+             "(identity=%d, token=%d)",
+                lockedBuffer, stack.inUse,
+                stack.identity, stack.token);
         return BAD_VALUE;
     }
     android_atomic_write(-1, &stack.inUse);
@@ -206,11 +297,12 @@
     : UpdateBase(sbb), numBuffers(numBuffers) {
 }
 ssize_t SharedBufferServer::RetireUpdate::operator()() {
-    // head is only written in this function, which is single-thread.
     int32_t head = stack.head;
+    if (uint32_t(head) >= SharedBufferStack::NUM_BUFFER_MAX)
+        return BAD_VALUE;
 
     // Preventively lock the current buffer before updating queued.
-    android_atomic_write(head, &stack.inUse);
+    android_atomic_write(stack.index[head], &stack.inUse);
 
     // Decrement the number of queued buffers 
     int32_t queued;
@@ -221,16 +313,15 @@
         }
     } while (android_atomic_cmpxchg(queued, queued-1, &stack.queued));
     
-    // update the head pointer
-    head = ((head+1 >= numBuffers) ? 0 : head+1);
-
     // lock the buffer before advancing head, which automatically unlocks
     // the buffer we preventively locked upon entering this function
-    android_atomic_write(head, &stack.inUse);
 
-    // advance head
+    head = (head + 1) % numBuffers;
+    android_atomic_write(stack.index[head], &stack.inUse);
+
+    // head is only modified here, so we don't need to use cmpxchg
     android_atomic_write(head, &stack.head);
-    
+
     // now that head has moved, we can increment the number of available buffers
     android_atomic_inc(&stack.available);
     return head;
@@ -250,41 +341,31 @@
 
 SharedBufferClient::SharedBufferClient(SharedClient* sharedClient,
         int surface, int num, int32_t identity)
-    : SharedBufferBase(sharedClient, surface, num, identity), tail(0)
+    : SharedBufferBase(sharedClient, surface, identity),
+      mNumBuffers(num), tail(0), undoDequeueTail(0)
 {
+    SharedBufferStack& stack( *mSharedStack );
     tail = computeTail();
+    queued_head = stack.head;
 }
 
 int32_t SharedBufferClient::computeTail() const
 {
     SharedBufferStack& stack( *mSharedStack );
-    // we need to make sure we read available and head coherently,
-    // w.r.t RetireUpdate.
-    int32_t newTail;
-    int32_t avail;
-    int32_t head;
-    do {
-        avail = stack.available;
-        head = stack.head;
-    } while (stack.available != avail);
-    newTail = head - avail + 1;
-    if (newTail < 0) {
-        newTail += mNumBuffers;
-    } else if (newTail >= mNumBuffers) {
-        newTail -= mNumBuffers;
-    }
-    return newTail;
+    return (mNumBuffers + stack.head - stack.available + 1) % mNumBuffers;
 }
 
 ssize_t SharedBufferClient::dequeue()
 {
     SharedBufferStack& stack( *mSharedStack );
 
-    if (stack.head == tail && stack.available == 2) {
+    if (stack.head == tail && stack.available == mNumBuffers) {
         LOGW("dequeue: tail=%d, head=%d, avail=%d, queued=%d",
                 tail, stack.head, stack.available, stack.queued);
     }
-        
+
+    RWLock::AutoRLock _rd(mLock);
+
     const nsecs_t dequeueTime = systemTime(SYSTEM_TIME_THREAD);
 
     //LOGD("[%d] about to dequeue a buffer",
@@ -301,9 +382,10 @@
         LOGW("dequeue probably called from multiple threads!");
     }
 
-    int dequeued = tail;
+    undoDequeueTail = tail;
+    int dequeued = stack.index[tail];
     tail = ((tail+1 >= mNumBuffers) ? 0 : tail+1);
-    LOGD_IF(DEBUG_ATOMICS, "dequeued=%d, tail=%d, %s",
+    LOGD_IF(DEBUG_ATOMICS, "dequeued=%d, tail++=%d, %s",
             dequeued, tail, dump("").string());
 
     mDequeueTime[dequeued] = dequeueTime; 
@@ -313,16 +395,23 @@
 
 status_t SharedBufferClient::undoDequeue(int buf)
 {
+    RWLock::AutoRLock _rd(mLock);
+
+    // TODO: we can only undo the previous dequeue, we should
+    // enforce that in the api
     UndoDequeueUpdate update(this);
     status_t err = updateCondition( update );
     if (err == NO_ERROR) {
-        tail = computeTail();
+        tail = undoDequeueTail;
     }
     return err;
 }
 
 status_t SharedBufferClient::lock(int buf)
 {
+    RWLock::AutoRLock _rd(mLock);
+
+    SharedBufferStack& stack( *mSharedStack );
     LockCondition condition(this, buf);
     status_t err = waitForCondition(condition);
     return err;
@@ -330,53 +419,105 @@
 
 status_t SharedBufferClient::queue(int buf)
 {
+    RWLock::AutoRLock _rd(mLock);
+
+    SharedBufferStack& stack( *mSharedStack );
+
+    queued_head = (queued_head + 1) % mNumBuffers;
+    stack.index[queued_head] = buf;
+
     QueueUpdate update(this);
     status_t err = updateCondition( update );
     LOGD_IF(DEBUG_ATOMICS, "queued=%d, %s", buf, dump("").string());
-    SharedBufferStack& stack( *mSharedStack );
+
     const nsecs_t now = systemTime(SYSTEM_TIME_THREAD);
     stack.stats.totalTime = ns2us(now - mDequeueTime[buf]);
     return err;
 }
 
-bool SharedBufferClient::needNewBuffer(int buffer) const
+bool SharedBufferClient::needNewBuffer(int buf) const
 {
     SharedBufferStack& stack( *mSharedStack );
-    const uint32_t mask = 1<<buffer;
+    const uint32_t mask = 1<<(31-buf);
     return (android_atomic_and(~mask, &stack.reallocMask) & mask) != 0;
 }
 
-status_t SharedBufferClient::setDirtyRegion(int buffer, const Region& reg)
+status_t SharedBufferClient::setCrop(int buf, const Rect& crop)
 {
     SharedBufferStack& stack( *mSharedStack );
-    return stack.setDirtyRegion(buffer, reg);
+    return stack.setCrop(buf, crop);
+}
+
+status_t SharedBufferClient::setDirtyRegion(int buf, const Region& reg)
+{
+    SharedBufferStack& stack( *mSharedStack );
+    return stack.setDirtyRegion(buf, reg);
+}
+
+status_t SharedBufferClient::setBufferCount(
+        int bufferCount, const SetBufferCountCallback& ipc)
+{
+    SharedBufferStack& stack( *mSharedStack );
+    if (uint32_t(bufferCount) >= SharedBufferStack::NUM_BUFFER_MAX)
+        return BAD_VALUE;
+
+    if (uint32_t(bufferCount) < SharedBufferStack::NUM_BUFFER_MIN)
+        return BAD_VALUE;
+
+    RWLock::AutoWLock _wr(mLock);
+
+    status_t err = ipc(bufferCount);
+    if (err == NO_ERROR) {
+        mNumBuffers = bufferCount;
+        queued_head = (stack.head + stack.queued) % mNumBuffers;
+    }
+    return err;
 }
 
 // ----------------------------------------------------------------------------
 
 SharedBufferServer::SharedBufferServer(SharedClient* sharedClient,
         int surface, int num, int32_t identity)
-    : SharedBufferBase(sharedClient, surface, num, identity)
+    : SharedBufferBase(sharedClient, surface, identity),
+      mNumBuffers(num)
 {
     mSharedStack->init(identity);
+    mSharedStack->token = surface;
     mSharedStack->head = num-1;
     mSharedStack->available = num;
     mSharedStack->queued = 0;
     mSharedStack->reallocMask = 0;
-    memset(mSharedStack->dirtyRegion, 0, sizeof(mSharedStack->dirtyRegion));
+    memset(mSharedStack->buffers, 0, sizeof(mSharedStack->buffers));
+    for (int i=0 ; i<num ; i++) {
+        mBufferList.add(i);
+        mSharedStack->index[i] = i;
+    }
+}
+
+SharedBufferServer::~SharedBufferServer()
+{
 }
 
 ssize_t SharedBufferServer::retireAndLock()
 {
+    RWLock::AutoRLock _l(mLock);
+
     RetireUpdate update(this, mNumBuffers);
     ssize_t buf = updateCondition( update );
-    LOGD_IF(DEBUG_ATOMICS && buf>=0, "retire=%d, %s", int(buf), dump("").string());
+    if (buf >= 0) {
+        if (uint32_t(buf) >= SharedBufferStack::NUM_BUFFER_MAX)
+            return BAD_VALUE;
+        SharedBufferStack& stack( *mSharedStack );
+        buf = stack.index[buf];
+        LOGD_IF(DEBUG_ATOMICS && buf>=0, "retire=%d, %s",
+                int(buf), dump("").string());
+    }
     return buf;
 }
 
-status_t SharedBufferServer::unlock(int buffer)
+status_t SharedBufferServer::unlock(int buf)
 {
-    UnlockUpdate update(this, buffer);
+    UnlockUpdate update(this, buf);
     status_t err = updateCondition( update );
     return err;
 }
@@ -389,11 +530,25 @@
     }
 }
 
-status_t SharedBufferServer::reallocate()
+status_t SharedBufferServer::reallocateAll()
 {
+    RWLock::AutoRLock _l(mLock);
+
     SharedBufferStack& stack( *mSharedStack );
-    uint32_t mask = (1<<mNumBuffers)-1;
-    android_atomic_or(mask, &stack.reallocMask); 
+    uint32_t mask = mBufferList.getMask();
+    android_atomic_or(mask, &stack.reallocMask);
+    return NO_ERROR;
+}
+
+status_t SharedBufferServer::reallocateAllExcept(int buffer)
+{
+    RWLock::AutoRLock _l(mLock);
+
+    SharedBufferStack& stack( *mSharedStack );
+    BufferList temp(mBufferList);
+    temp.remove(buffer);
+    uint32_t mask = temp.getMask();
+    android_atomic_or(mask, &stack.reallocMask);
     return NO_ERROR;
 }
 
@@ -403,17 +558,77 @@
     return stack.queued;
 }
 
-status_t SharedBufferServer::assertReallocate(int buffer)
+status_t SharedBufferServer::assertReallocate(int buf)
 {
-    ReallocateCondition condition(this, buffer);
+    /*
+     * NOTE: it's safe to hold mLock for read while waiting for
+     * the ReallocateCondition because that condition is not updated
+     * by the thread that holds mLock for write.
+     */
+    RWLock::AutoRLock _l(mLock);
+
+    // TODO: need to validate "buf"
+    ReallocateCondition condition(this, buf);
     status_t err = waitForCondition(condition);
     return err;
 }
 
-Region SharedBufferServer::getDirtyRegion(int buffer) const
+Region SharedBufferServer::getDirtyRegion(int buf) const
 {
     SharedBufferStack& stack( *mSharedStack );
-    return stack.getDirtyRegion(buffer);
+    return stack.getDirtyRegion(buf);
+}
+
+/*
+ * NOTE: this is not thread-safe on the server-side, meaning
+ * 'head' cannot move during this operation. The client-side
+ * can safely operate an usual.
+ *
+ */
+status_t SharedBufferServer::resize(int newNumBuffers)
+{
+    if (uint32_t(newNumBuffers) >= SharedBufferStack::NUM_BUFFER_MAX)
+        return BAD_VALUE;
+
+    RWLock::AutoWLock _l(mLock);
+
+    // for now we're not supporting shrinking
+    const int numBuffers = mNumBuffers;
+    if (newNumBuffers < numBuffers)
+        return BAD_VALUE;
+
+    SharedBufferStack& stack( *mSharedStack );
+    const int extra = newNumBuffers - numBuffers;
+
+    // read the head, make sure it's valid
+    int32_t head = stack.head;
+    if (uint32_t(head) >= SharedBufferStack::NUM_BUFFER_MAX)
+        return BAD_VALUE;
+
+    int base = numBuffers;
+    int32_t avail = stack.available;
+    int tail = head - avail + 1;
+
+    if (tail >= 0) {
+        int8_t* const index = const_cast<int8_t*>(stack.index);
+        const int nb = numBuffers - head;
+        memmove(&index[head + extra], &index[head], nb);
+        base = head;
+        // move head 'extra' ahead, this doesn't impact stack.index[head];
+        stack.head = head + extra;
+    }
+    stack.available += extra;
+
+    // fill the new free space with unused buffers
+    BufferList::const_iterator curr(mBufferList.free_begin());
+    for (int i=0 ; i<extra ; i++) {
+        stack.index[base+i] = *curr;
+        mBufferList.add(*curr);
+        ++curr;
+    }
+
+    mNumBuffers = newNumBuffers;
+    return NO_ERROR;
 }
 
 SharedBufferStack::Statistics SharedBufferServer::getStats() const
@@ -422,6 +637,29 @@
     return stack.stats;
 }
 
+// ---------------------------------------------------------------------------
+status_t SharedBufferServer::BufferList::add(int value)
+{
+    if (uint32_t(value) >= mCapacity)
+        return BAD_VALUE;
+    uint32_t mask = 1<<(31-value);
+    if (mList & mask)
+        return ALREADY_EXISTS;
+    mList |= mask;
+    return NO_ERROR;
+}
+
+status_t SharedBufferServer::BufferList::remove(int value)
+{
+    if (uint32_t(value) >= mCapacity)
+        return BAD_VALUE;
+    uint32_t mask = 1<<(31-value);
+    if (!(mList & mask))
+        return NAME_NOT_FOUND;
+    mList &= ~mask;
+    return NO_ERROR;
+}
+
 
 // ---------------------------------------------------------------------------
 }; // namespace android
diff --git a/libs/surfaceflinger_client/Surface.cpp b/libs/surfaceflinger_client/Surface.cpp
index 5dd75c3..1de3a4f 100644
--- a/libs/surfaceflinger_client/Surface.cpp
+++ b/libs/surfaceflinger_client/Surface.cpp
@@ -17,8 +17,6 @@
 #define LOG_TAG "Surface"
 
 #include <stdint.h>
-#include <unistd.h>
-#include <fcntl.h>
 #include <errno.h>
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -28,8 +26,6 @@
 #include <utils/CallStack.h>
 #include <utils/Log.h>
 
-#include <pixelflinger/pixelflinger.h>
-
 #include <binder/IPCThreadState.h>
 #include <binder/IMemory.h>
 
@@ -55,6 +51,8 @@
         const sp<GraphicBuffer>& src, 
         const Region& reg)
 {
+    // src and dst with, height and format must be identical. no verification
+    // is done here.
     status_t err;
     uint8_t const * src_bits = NULL;
     err = src->lock(GRALLOC_USAGE_SW_READ_OFTEN, reg.bounds(), (void**)&src_bits);
@@ -67,7 +65,6 @@
     Region::const_iterator head(reg.begin());
     Region::const_iterator tail(reg.end());
     if (head != tail && src_bits && dst_bits) {
-        // NOTE: dst and src must be the same format
         const size_t bpp = bytesPerPixel(src->format);
         const size_t dbpr = dst->stride * bpp;
         const size_t sbpr = src->stride * bpp;
@@ -107,7 +104,7 @@
 SurfaceControl::SurfaceControl(
         const sp<SurfaceComposerClient>& client, 
         const sp<ISurface>& surface,
-        const ISurfaceFlingerClient::surface_data_t& data,
+        const ISurfaceComposerClient::surface_data_t& data,
         uint32_t w, uint32_t h, PixelFormat format, uint32_t flags)
     : mClient(client), mSurface(surface),
       mToken(data.token), mIdentity(data.identity),
@@ -154,75 +151,75 @@
 }
 
 status_t SurfaceControl::setLayer(int32_t layer) {
-    const sp<SurfaceComposerClient>& client(mClient);
     status_t err = validate();
     if (err < 0) return err;
+    const sp<SurfaceComposerClient>& client(mClient);
     return client->setLayer(mToken, layer);
 }
 status_t SurfaceControl::setPosition(int32_t x, int32_t y) {
-    const sp<SurfaceComposerClient>& client(mClient);
     status_t err = validate();
     if (err < 0) return err;
+    const sp<SurfaceComposerClient>& client(mClient);
     return client->setPosition(mToken, x, y);
 }
 status_t SurfaceControl::setSize(uint32_t w, uint32_t h) {
-    const sp<SurfaceComposerClient>& client(mClient);
     status_t err = validate();
     if (err < 0) return err;
+    const sp<SurfaceComposerClient>& client(mClient);
     return client->setSize(mToken, w, h);
 }
 status_t SurfaceControl::hide() {
-    const sp<SurfaceComposerClient>& client(mClient);
     status_t err = validate();
     if (err < 0) return err;
+    const sp<SurfaceComposerClient>& client(mClient);
     return client->hide(mToken);
 }
 status_t SurfaceControl::show(int32_t layer) {
-    const sp<SurfaceComposerClient>& client(mClient);
     status_t err = validate();
     if (err < 0) return err;
+    const sp<SurfaceComposerClient>& client(mClient);
     return client->show(mToken, layer);
 }
 status_t SurfaceControl::freeze() {
-    const sp<SurfaceComposerClient>& client(mClient);
     status_t err = validate();
     if (err < 0) return err;
+    const sp<SurfaceComposerClient>& client(mClient);
     return client->freeze(mToken);
 }
 status_t SurfaceControl::unfreeze() {
-    const sp<SurfaceComposerClient>& client(mClient);
     status_t err = validate();
     if (err < 0) return err;
+    const sp<SurfaceComposerClient>& client(mClient);
     return client->unfreeze(mToken);
 }
 status_t SurfaceControl::setFlags(uint32_t flags, uint32_t mask) {
-    const sp<SurfaceComposerClient>& client(mClient);
     status_t err = validate();
     if (err < 0) return err;
+    const sp<SurfaceComposerClient>& client(mClient);
     return client->setFlags(mToken, flags, mask);
 }
 status_t SurfaceControl::setTransparentRegionHint(const Region& transparent) {
-    const sp<SurfaceComposerClient>& client(mClient);
     status_t err = validate();
     if (err < 0) return err;
+    const sp<SurfaceComposerClient>& client(mClient);
     return client->setTransparentRegionHint(mToken, transparent);
 }
 status_t SurfaceControl::setAlpha(float alpha) {
-    const sp<SurfaceComposerClient>& client(mClient);
     status_t err = validate();
     if (err < 0) return err;
+    const sp<SurfaceComposerClient>& client(mClient);
     return client->setAlpha(mToken, alpha);
 }
 status_t SurfaceControl::setMatrix(float dsdx, float dtdx, float dsdy, float dtdy) {
-    const sp<SurfaceComposerClient>& client(mClient);
     status_t err = validate();
     if (err < 0) return err;
+    const sp<SurfaceComposerClient>& client(mClient);
     return client->setMatrix(mToken, dsdx, dtdx, dsdy, dtdy);
 }
 status_t SurfaceControl::setFreezeTint(uint32_t tint) {
-    const sp<SurfaceComposerClient>& client(mClient);
     status_t err = validate();
     if (err < 0) return err;
+    const sp<SurfaceComposerClient>& client(mClient);
     return client->setFreezeTint(mToken, tint);
 }
 
@@ -233,50 +230,27 @@
                 mToken, mIdentity, mClient.get());
         return NO_INIT;
     }
-    SharedClient const* cblk = mClient->mControl;
-    if (cblk == 0) {
-        LOGE("cblk is null (surface id=%d, identity=%u)", mToken, mIdentity);
-        return NO_INIT;
-    }
-    status_t err = cblk->validate(mToken);
-    if (err != NO_ERROR) {
-        LOGE("surface (id=%d, identity=%u) is invalid, err=%d (%s)",
-                mToken, mIdentity, err, strerror(-err));
-        return err;
-    }
-    uint32_t identity = cblk->getIdentity(mToken);
-    if (mIdentity != identity) {
-        LOGE("using an invalid surface id=%d, identity=%u should be %d",
-                mToken, mIdentity, identity);
-        return NO_INIT;
-    }
     return NO_ERROR;
 }
 
 status_t SurfaceControl::writeSurfaceToParcel(
         const sp<SurfaceControl>& control, Parcel* parcel)
 {
-    uint32_t flags = 0;
-    uint32_t format = 0;
-    SurfaceID token = -1;
+    sp<ISurface> sur;
     uint32_t identity = 0;
     uint32_t width = 0;
     uint32_t height = 0;
-    sp<SurfaceComposerClient> client;
-    sp<ISurface> sur;
+    uint32_t format = 0;
+    uint32_t flags = 0;
     if (SurfaceControl::isValid(control)) {
-        token    = control->mToken;
-        identity = control->mIdentity;
-        client   = control->mClient;
         sur      = control->mSurface;
+        identity = control->mIdentity;
         width    = control->mWidth;
         height   = control->mHeight;
         format   = control->mFormat;
         flags    = control->mFlags;
     }
-    parcel->writeStrongBinder(client!=0  ? client->connection() : NULL);
-    parcel->writeStrongBinder(sur!=0     ? sur->asBinder()      : NULL);
-    parcel->writeInt32(token);
+    parcel->writeStrongBinder(sur!=0 ? sur->asBinder() : NULL);
     parcel->writeInt32(identity);
     parcel->writeInt32(width);
     parcel->writeInt32(height);
@@ -298,70 +272,180 @@
 //  Surface
 // ============================================================================
 
+class SurfaceClient : public Singleton<SurfaceClient>
+{
+    // all these attributes are constants
+    sp<ISurfaceComposer> mComposerService;
+    sp<ISurfaceComposerClient> mClient;
+    status_t mStatus;
+    SharedClient* mControl;
+    sp<IMemoryHeap> mControlMemory;
+
+    SurfaceClient()
+        : Singleton<SurfaceClient>(), mStatus(NO_INIT)
+    {
+        sp<ISurfaceComposer> sf(ComposerService::getComposerService());
+        mComposerService = sf;
+        mClient = sf->createClientConnection();
+        if (mClient != NULL) {
+            mControlMemory = mClient->getControlBlock();
+            if (mControlMemory != NULL) {
+                mControl = static_cast<SharedClient *>(
+                        mControlMemory->getBase());
+                if (mControl) {
+                    mStatus = NO_ERROR;
+                }
+            }
+        }
+    }
+    friend class Singleton<SurfaceClient>;
+public:
+    status_t initCheck() const {
+        return mStatus;
+    }
+    SharedClient* getSharedClient() const {
+        return mControl;
+    }
+    ssize_t getTokenForSurface(const sp<ISurface>& sur) const {
+        // TODO: we could cache a few tokens here to avoid an IPC
+        return mClient->getTokenForSurface(sur);
+    }
+    void signalServer() const {
+        mComposerService->signal();
+    }
+};
+
+ANDROID_SINGLETON_STATIC_INSTANCE(SurfaceClient);
+
+// ---------------------------------------------------------------------------
+
 Surface::Surface(const sp<SurfaceControl>& surface)
-    : mClient(surface->mClient), mSurface(surface->mSurface),
-      mToken(surface->mToken), mIdentity(surface->mIdentity),
+    : mBufferMapper(GraphicBufferMapper::get()),
+      mClient(SurfaceClient::getInstance()),
+      mSharedBufferClient(NULL),
+      mInitCheck(NO_INIT),
+      mSurface(surface->mSurface),
+      mIdentity(surface->mIdentity),
       mFormat(surface->mFormat), mFlags(surface->mFlags),
-      mBufferMapper(GraphicBufferMapper::get()), mSharedBufferClient(NULL),
       mWidth(surface->mWidth), mHeight(surface->mHeight)
 {
-    mSharedBufferClient = new SharedBufferClient(
-            mClient->mControl, mToken, 2, mIdentity);
-
     init();
 }
 
-Surface::Surface(const Parcel& parcel)
-    :  mBufferMapper(GraphicBufferMapper::get()), mSharedBufferClient(NULL)
+Surface::Surface(const Parcel& parcel, const sp<IBinder>& ref)
+    : mBufferMapper(GraphicBufferMapper::get()),
+      mClient(SurfaceClient::getInstance()),
+      mSharedBufferClient(NULL),
+      mInitCheck(NO_INIT)
 {
-    sp<IBinder> clientBinder = parcel.readStrongBinder();
-    mSurface    = interface_cast<ISurface>(parcel.readStrongBinder());
-    mToken      = parcel.readInt32();
+    mSurface    = interface_cast<ISurface>(ref);
     mIdentity   = parcel.readInt32();
     mWidth      = parcel.readInt32();
     mHeight     = parcel.readInt32();
     mFormat     = parcel.readInt32();
     mFlags      = parcel.readInt32();
-
-    // FIXME: what does that mean if clientBinder is NULL here?
-    if (clientBinder != NULL) {
-        mClient = SurfaceComposerClient::clientForConnection(clientBinder);
-
-        mSharedBufferClient = new SharedBufferClient(
-                mClient->mControl, mToken, 2, mIdentity);
-    }
-
     init();
 }
 
+status_t Surface::writeToParcel(
+        const sp<Surface>& surface, Parcel* parcel)
+{
+    sp<ISurface> sur;
+    uint32_t identity = 0;
+    uint32_t width = 0;
+    uint32_t height = 0;
+    uint32_t format = 0;
+    uint32_t flags = 0;
+    if (Surface::isValid(surface)) {
+        sur      = surface->mSurface;
+        identity = surface->mIdentity;
+        width    = surface->mWidth;
+        height   = surface->mHeight;
+        format   = surface->mFormat;
+        flags    = surface->mFlags;
+    }
+    parcel->writeStrongBinder(sur!=0 ? sur->asBinder() : NULL);
+    parcel->writeInt32(identity);
+    parcel->writeInt32(width);
+    parcel->writeInt32(height);
+    parcel->writeInt32(format);
+    parcel->writeInt32(flags);
+    return NO_ERROR;
+
+}
+
+
+Mutex Surface::sCachedSurfacesLock;
+DefaultKeyedVector<wp<IBinder>, wp<Surface> > Surface::sCachedSurfaces(wp<Surface>(0));
+
+sp<Surface> Surface::readFromParcel(const Parcel& data) {
+    Mutex::Autolock _l(sCachedSurfacesLock);
+    sp<IBinder> binder(data.readStrongBinder());
+    sp<Surface> surface = sCachedSurfaces.valueFor(binder).promote();
+    if (surface == 0) {
+       surface = new Surface(data, binder);
+       sCachedSurfaces.add(binder, surface);
+    } else {
+        LOGW("Reusing surface!");
+    }
+    if (surface->mSurface == 0) {
+      surface = 0;
+    }
+    cleanCachedSurfaces();
+    return surface;
+}
+
+// Remove the stale entries from the surface cache.  This should only be called
+// with sCachedSurfacesLock held.
+void Surface::cleanCachedSurfaces() {
+    for (int i = sCachedSurfaces.size()-1; i >= 0; --i) {
+        wp<Surface> s(sCachedSurfaces.valueAt(i));
+        if (s == 0 || s.promote() == 0) {
+            sCachedSurfaces.removeItemsAt(i);
+        }
+    }
+}
+
 void Surface::init()
 {
-    android_native_window_t::setSwapInterval  = setSwapInterval;
-    android_native_window_t::dequeueBuffer    = dequeueBuffer;
-    android_native_window_t::lockBuffer       = lockBuffer;
-    android_native_window_t::queueBuffer      = queueBuffer;
-    android_native_window_t::query            = query;
-    android_native_window_t::perform          = perform;
-    mSwapRectangle.makeInvalid();
+    ANativeWindow::setSwapInterval  = setSwapInterval;
+    ANativeWindow::dequeueBuffer    = dequeueBuffer;
+    ANativeWindow::lockBuffer       = lockBuffer;
+    ANativeWindow::queueBuffer      = queueBuffer;
+    ANativeWindow::query            = query;
+    ANativeWindow::perform          = perform;
+
     DisplayInfo dinfo;
     SurfaceComposerClient::getDisplayInfo(0, &dinfo);
-    const_cast<float&>(android_native_window_t::xdpi) = dinfo.xdpi;
-    const_cast<float&>(android_native_window_t::ydpi) = dinfo.ydpi;
+    const_cast<float&>(ANativeWindow::xdpi) = dinfo.xdpi;
+    const_cast<float&>(ANativeWindow::ydpi) = dinfo.ydpi;
     // FIXME: set real values here
-    const_cast<int&>(android_native_window_t::minSwapInterval) = 1;
-    const_cast<int&>(android_native_window_t::maxSwapInterval) = 1;
-    const_cast<uint32_t&>(android_native_window_t::flags) = 0;
-    // be default we request a hardware surface
-    mUsage = GRALLOC_USAGE_HW_RENDER;
+    const_cast<int&>(ANativeWindow::minSwapInterval) = 1;
+    const_cast<int&>(ANativeWindow::maxSwapInterval) = 1;
+    const_cast<uint32_t&>(ANativeWindow::flags) = 0;
+
     mConnected = 0;
-    mNeedFullUpdate = false;
+    mSwapRectangle.makeInvalid();
+    // two buffers by default
+    mBuffers.setCapacity(2);
+    mBuffers.insertAt(0, 2);
+
+    if (mSurface != 0 && mClient.initCheck() == NO_ERROR) {
+        int32_t token = mClient.getTokenForSurface(mSurface);
+        if (token >= 0) {
+            mSharedBufferClient = new SharedBufferClient(
+                    mClient.getSharedClient(), token, 2, mIdentity);
+            mInitCheck = mClient.getSharedClient()->validate(token);
+        }
+    }
 }
 
 Surface::~Surface()
 {
     // this is a client-side operation, the surface is destroyed, unmap
     // its buffers in this process.
-    for (int i=0 ; i<2 ; i++) {
+    size_t size = mBuffers.size();
+    for (size_t i=0 ; i<size ; i++) {
         if (mBuffers[i] != 0 && mBuffers[i]->handle != 0) {
             getBufferMapper().unregisterBuffer(mBuffers[i]->handle);
         }
@@ -369,93 +453,88 @@
 
     // clear all references and trigger an IPC now, to make sure things
     // happen without delay, since these resources are quite heavy.
-    mClient.clear();
+    mBuffers.clear();
     mSurface.clear();
     delete mSharedBufferClient;
     IPCThreadState::self()->flushCommands();
 }
 
-sp<SurfaceComposerClient> Surface::getClient() const {
-    return mClient;
+bool Surface::isValid() {
+    return mInitCheck == NO_ERROR;
+}
+
+status_t Surface::validate() const
+{
+    // check that we initialized ourself properly
+    if (mInitCheck != NO_ERROR) {
+        LOGE("invalid token (identity=%u)", mIdentity);
+        return mInitCheck;
+    }
+
+    // verify the identity of this surface
+    uint32_t identity = mSharedBufferClient->getIdentity();
+
+    // this is a bit of a (temporary) special case, identity==0 means that
+    // no operation are allowed from the client (eg: dequeue/queue), this
+    // is used with PUSH_BUFFER surfaces for instance
+    if (identity == 0) {
+        LOGE("[Surface] invalid operation (identity=%u)", mIdentity);
+        return INVALID_OPERATION;
+    }
+
+    if (mIdentity != identity) {
+        LOGE("[Surface] using an invalid surface, "
+                "identity=%u should be %d",
+                mIdentity, identity);
+        return NO_INIT;
+    }
+
+    // check the surface didn't become invalid
+    status_t err = mSharedBufferClient->getStatus();
+    if (err != NO_ERROR) {
+        LOGE("surface (identity=%u) is invalid, err=%d (%s)",
+                mIdentity, err, strerror(-err));
+        return err;
+    }
+
+    return NO_ERROR;
 }
 
 sp<ISurface> Surface::getISurface() const {
     return mSurface;
 }
 
-bool Surface::isValid() {
-    return mToken>=0 && mClient!=0;
-}
-
-status_t Surface::validate() const
-{
-    sp<SurfaceComposerClient> client(getClient());
-    if (mToken<0 || mClient==0) {
-        LOGE("invalid token (%d, identity=%u) or client (%p)", 
-                mToken, mIdentity, client.get());
-        return NO_INIT;
-    }
-    SharedClient const* cblk = mClient->mControl;
-    if (cblk == 0) {
-        LOGE("cblk is null (surface id=%d, identity=%u)", mToken, mIdentity);
-        return NO_INIT;
-    }
-    status_t err = cblk->validate(mToken);
-    if (err != NO_ERROR) {
-        LOGE("surface (id=%d, identity=%u) is invalid, err=%d (%s)",
-                mToken, mIdentity, err, strerror(-err));
-        return err;
-    }
-    uint32_t identity = cblk->getIdentity(mToken);
-    if (mIdentity != identity) {
-        LOGE("using an invalid surface id=%d, identity=%u should be %d",
-                mToken, mIdentity, identity);
-        return NO_INIT;
-    }
-    return NO_ERROR;
-}
-
-
-bool Surface::isSameSurface(
-        const sp<Surface>& lhs, const sp<Surface>& rhs) 
-{
-    if (lhs == 0 || rhs == 0)
-        return false;
-
-    return lhs->mSurface->asBinder() == rhs->mSurface->asBinder();
-}
-
 // ----------------------------------------------------------------------------
 
-int Surface::setSwapInterval(android_native_window_t* window, int interval) {
+int Surface::setSwapInterval(ANativeWindow* window, int interval) {
     return 0;
 }
 
-int Surface::dequeueBuffer(android_native_window_t* window, 
+int Surface::dequeueBuffer(ANativeWindow* window, 
         android_native_buffer_t** buffer) {
     Surface* self = getSelf(window);
     return self->dequeueBuffer(buffer);
 }
 
-int Surface::lockBuffer(android_native_window_t* window, 
+int Surface::lockBuffer(ANativeWindow* window, 
         android_native_buffer_t* buffer) {
     Surface* self = getSelf(window);
     return self->lockBuffer(buffer);
 }
 
-int Surface::queueBuffer(android_native_window_t* window, 
+int Surface::queueBuffer(ANativeWindow* window, 
         android_native_buffer_t* buffer) {
     Surface* self = getSelf(window);
     return self->queueBuffer(buffer);
 }
 
-int Surface::query(android_native_window_t* window, 
+int Surface::query(ANativeWindow* window, 
         int what, int* value) {
     Surface* self = getSelf(window);
     return self->query(what, value);
 }
 
-int Surface::perform(android_native_window_t* window, 
+int Surface::perform(ANativeWindow* window, 
         int operation, ...) {
     va_list args;
     va_start(args, operation);
@@ -467,21 +546,24 @@
 
 // ----------------------------------------------------------------------------
 
-status_t Surface::dequeueBuffer(sp<GraphicBuffer>* buffer) {
-    android_native_buffer_t* out;
-    status_t err = dequeueBuffer(&out);
-    if (err == NO_ERROR) {
-        *buffer = GraphicBuffer::getSelf(out);
+bool Surface::needNewBuffer(int bufIdx,
+        uint32_t *pWidth, uint32_t *pHeight,
+        uint32_t *pFormat, uint32_t *pUsage) const
+{
+    Mutex::Autolock _l(mSurfaceLock);
+
+    // Always call needNewBuffer(), since it clears the needed buffers flags
+    bool needNewBuffer = mSharedBufferClient->needNewBuffer(bufIdx);
+    bool validBuffer = mBufferInfo.validateBuffer(mBuffers[bufIdx]);
+    bool newNeewBuffer = needNewBuffer || !validBuffer;
+    if (newNeewBuffer) {
+        mBufferInfo.get(pWidth, pHeight, pFormat, pUsage);
     }
-    return err;
+    return newNeewBuffer;
 }
 
-// ----------------------------------------------------------------------------
-
-
 int Surface::dequeueBuffer(android_native_buffer_t** buffer)
 {
-    sp<SurfaceComposerClient> client(getClient());
     status_t err = validate();
     if (err != NO_ERROR)
         return err;
@@ -492,24 +574,28 @@
         return bufIdx;
     }
 
-    // below we make sure we AT LEAST have the usage flags we want
-    const uint32_t usage(getUsage());
-    const sp<GraphicBuffer>& backBuffer(mBuffers[bufIdx]);
-    if (backBuffer == 0 || 
-        ((uint32_t(backBuffer->usage) & usage) != usage) ||
-        mSharedBufferClient->needNewBuffer(bufIdx)) 
-    {
-        err = getBufferLocked(bufIdx, usage);
-        LOGE_IF(err, "getBufferLocked(%ld, %08x) failed (%s)",
-                bufIdx, usage, strerror(-err));
+    // grow the buffer array if needed
+    const size_t size = mBuffers.size();
+    const size_t needed = bufIdx+1;
+    if (size < needed) {
+        mBuffers.insertAt(size, needed-size);
+    }
+
+    uint32_t w, h, format, usage;
+    if (needNewBuffer(bufIdx, &w, &h, &format, &usage)) {
+        err = getBufferLocked(bufIdx, w, h, format, usage);
+        LOGE_IF(err, "getBufferLocked(%ld, %u, %u, %u, %08x) failed (%s)",
+                bufIdx, w, h, format, usage, strerror(-err));
         if (err == NO_ERROR) {
             // reset the width/height with the what we get from the buffer
+            const sp<GraphicBuffer>& backBuffer(mBuffers[bufIdx]);
             mWidth  = uint32_t(backBuffer->width);
             mHeight = uint32_t(backBuffer->height);
         }
     }
 
     // if we still don't have a buffer here, we probably ran out of memory
+    const sp<GraphicBuffer>& backBuffer(mBuffers[bufIdx]);
     if (!err && backBuffer==0) {
         err = NO_MEMORY;
     }
@@ -526,12 +612,11 @@
 
 int Surface::lockBuffer(android_native_buffer_t* buffer)
 {
-    sp<SurfaceComposerClient> client(getClient());
     status_t err = validate();
     if (err != NO_ERROR)
         return err;
 
-    int32_t bufIdx = GraphicBuffer::getSelf(buffer)->getIndex();
+    int32_t bufIdx = getBufferIndex(GraphicBuffer::getSelf(buffer));
     err = mSharedBufferClient->lock(bufIdx);
     LOGE_IF(err, "error locking buffer %d (%s)", bufIdx, strerror(-err));
     return err;
@@ -539,7 +624,6 @@
 
 int Surface::queueBuffer(android_native_buffer_t* buffer)
 {   
-    sp<SurfaceComposerClient> client(getClient());
     status_t err = validate();
     if (err != NO_ERROR)
         return err;
@@ -548,14 +632,15 @@
         mDirtyRegion.set(mSwapRectangle);
     }
     
-    int32_t bufIdx = GraphicBuffer::getSelf(buffer)->getIndex();
+    int32_t bufIdx = getBufferIndex(GraphicBuffer::getSelf(buffer));
+    mSharedBufferClient->setCrop(bufIdx, mNextBufferCrop);
     mSharedBufferClient->setDirtyRegion(bufIdx, mDirtyRegion);
     err = mSharedBufferClient->queue(bufIdx);
     LOGE_IF(err, "error queuing buffer %d (%s)", bufIdx, strerror(-err));
 
     if (err == NO_ERROR) {
-        // FIXME: can we avoid this IPC if we know there is one pending?
-        client->signalServer();
+        // TODO: can we avoid this IPC if we know there is one pending?
+        mClient.signalServer();
     }
     return err;
 }
@@ -578,6 +663,10 @@
 
 int Surface::perform(int operation, va_list args)
 {
+    status_t err = validate();
+    if (err != NO_ERROR)
+        return err;
+
     int res = NO_ERROR;
     switch (operation) {
     case NATIVE_WINDOW_SET_USAGE:
@@ -589,6 +678,15 @@
     case NATIVE_WINDOW_DISCONNECT:
         res = dispatch_disconnect( args );
         break;
+    case NATIVE_WINDOW_SET_CROP:
+        res = dispatch_crop( args );
+        break;
+    case NATIVE_WINDOW_SET_BUFFER_COUNT:
+        res = dispatch_set_buffer_count( args );
+        break;
+    case NATIVE_WINDOW_SET_BUFFERS_GEOMETRY:
+        res = dispatch_set_buffers_geometry( args );
+        break;
     default:
         res = NAME_NOT_FOUND;
         break;
@@ -608,12 +706,25 @@
     int api = va_arg(args, int);
     return disconnect( api );
 }
-
+int Surface::dispatch_crop(va_list args) {
+    android_native_rect_t const* rect = va_arg(args, android_native_rect_t*);
+    return crop( reinterpret_cast<Rect const*>(rect) );
+}
+int Surface::dispatch_set_buffer_count(va_list args) {
+    size_t bufferCount = va_arg(args, size_t);
+    return setBufferCount(bufferCount);
+}
+int Surface::dispatch_set_buffers_geometry(va_list args) {
+    int w = va_arg(args, int);
+    int h = va_arg(args, int);
+    int f = va_arg(args, int);
+    return setBuffersGeometry(w, h, f);
+}
 
 void Surface::setUsage(uint32_t reqUsage)
 {
     Mutex::Autolock _l(mSurfaceLock);
-    mUsage = reqUsage;
+    mBufferInfo.set(reqUsage);
 }
 
 int Surface::connect(int api)
@@ -654,19 +765,55 @@
     return err;
 }
 
-uint32_t Surface::getUsage() const
+int Surface::crop(Rect const* rect)
 {
     Mutex::Autolock _l(mSurfaceLock);
-    return mUsage;
+    // TODO: validate rect size
+    mNextBufferCrop = *rect;
+    return NO_ERROR;
 }
 
+int Surface::setBufferCount(int bufferCount)
+{
+    sp<ISurface> s(mSurface);
+    if (s == 0) return NO_INIT;
+
+    class SetBufferCountIPC : public SharedBufferClient::SetBufferCountCallback {
+        sp<ISurface> surface;
+        virtual status_t operator()(int bufferCount) const {
+            return surface->setBufferCount(bufferCount);
+        }
+    public:
+        SetBufferCountIPC(const sp<ISurface>& surface) : surface(surface) { }
+    } ipc(s);
+
+    status_t err = mSharedBufferClient->setBufferCount(bufferCount, ipc);
+    LOGE_IF(err, "ISurface::setBufferCount(%d) returned %s",
+            bufferCount, strerror(-err));
+    return err;
+}
+
+int Surface::setBuffersGeometry(int w, int h, int format)
+{
+    if (w<0 || h<0 || format<0)
+        return BAD_VALUE;
+
+    if ((w && !h) || (!w && h))
+        return BAD_VALUE;
+
+    Mutex::Autolock _l(mSurfaceLock);
+    mBufferInfo.set(w, h, format);
+    return NO_ERROR;
+}
+
+// ----------------------------------------------------------------------------
+
 int Surface::getConnectedApi() const
 {
     Mutex::Autolock _l(mSurfaceLock);
     return mConnected;
 }
 
-
 // ----------------------------------------------------------------------------
 
 status_t Surface::lock(SurfaceInfo* info, bool blocking) {
@@ -677,7 +824,7 @@
 {
     if (getConnectedApi()) {
         LOGE("Surface::lock(%p) failed. Already connected to another API",
-                (android_native_window_t*)this);
+                (ANativeWindow*)this);
         CallStack stack;
         stack.update();
         stack.dump("");
@@ -703,45 +850,47 @@
     // we're intending to do software rendering from this point
     setUsage(GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN);
 
-    sp<GraphicBuffer> backBuffer;
-    status_t err = dequeueBuffer(&backBuffer);
+    android_native_buffer_t* out;
+    status_t err = dequeueBuffer(&out);
     LOGE_IF(err, "dequeueBuffer failed (%s)", strerror(-err));
     if (err == NO_ERROR) {
+        sp<GraphicBuffer> backBuffer(GraphicBuffer::getSelf(out));
         err = lockBuffer(backBuffer.get());
         LOGE_IF(err, "lockBuffer (idx=%d) failed (%s)",
-                backBuffer->getIndex(), strerror(-err));
+                getBufferIndex(backBuffer), strerror(-err));
         if (err == NO_ERROR) {
-            // we handle copy-back here...
-
             const Rect bounds(backBuffer->width, backBuffer->height);
-            Region scratch(bounds);
+            const Region boundsRegion(bounds);
+            Region scratch(boundsRegion);
             Region& newDirtyRegion(dirtyIn ? *dirtyIn : scratch);
+            newDirtyRegion &= boundsRegion;
 
-            if (mNeedFullUpdate) {
-                // reset newDirtyRegion to bounds when a buffer is reallocated
-                // it would be better if this information was associated with
-                // the buffer and made available to outside of Surface.
-                // This will do for now though.
-                mNeedFullUpdate = false;
-                newDirtyRegion.set(bounds);
-            } else {
-                newDirtyRegion.andSelf(bounds);
-            }
-
+            // figure out if we can copy the frontbuffer back
             const sp<GraphicBuffer>& frontBuffer(mPostedBuffer);
-            if (frontBuffer !=0 &&
-                backBuffer->width  == frontBuffer->width && 
-                backBuffer->height == frontBuffer->height &&
-                !(mFlags & ISurfaceComposer::eDestroyBackbuffer)) 
-            {
+            const bool canCopyBack = (frontBuffer != 0 &&
+                    backBuffer->width  == frontBuffer->width &&
+                    backBuffer->height == frontBuffer->height &&
+                    backBuffer->format == frontBuffer->format &&
+                    !(mFlags & ISurfaceComposer::eDestroyBackbuffer));
+
+            // the dirty region we report to surfaceflinger is the one
+            // given by the user (as opposed to the one *we* return to the
+            // user).
+            mDirtyRegion = newDirtyRegion;
+
+            if (canCopyBack) {
+                // copy the area that is invalid and not repainted this round
                 const Region copyback(mOldDirtyRegion.subtract(newDirtyRegion));
-                if (!copyback.isEmpty() && frontBuffer!=0) {
-                    // copy front to back
+                if (!copyback.isEmpty())
                     copyBlt(backBuffer, frontBuffer, copyback);
-                }
+            } else {
+                // if we can't copy-back anything, modify the user's dirty
+                // region to make sure they redraw the whole buffer
+                newDirtyRegion = boundsRegion;
             }
 
-            mDirtyRegion = newDirtyRegion;
+            // keep track of the are of the buffer that is "clean"
+            // (ie: that will be redrawn)
             mOldDirtyRegion = newDirtyRegion;
 
             void* vaddr;
@@ -777,7 +926,7 @@
     
     err = queueBuffer(mLockedBuffer.get());
     LOGE_IF(err, "queueBuffer (idx=%d) failed (%s)",
-            mLockedBuffer->getIndex(), strerror(-err));
+            getBufferIndex(mLockedBuffer), strerror(-err));
 
     mPostedBuffer = mLockedBuffer;
     mLockedBuffer = 0;
@@ -789,7 +938,13 @@
     mSwapRectangle = r;
 }
 
-status_t Surface::getBufferLocked(int index, int usage)
+int Surface::getBufferIndex(const sp<GraphicBuffer>& buffer) const
+{
+    return buffer->getIndex();
+}
+
+status_t Surface::getBufferLocked(int index,
+        uint32_t w, uint32_t h, uint32_t format, uint32_t usage)
 {
     sp<ISurface> s(mSurface);
     if (s == 0) return NO_INIT;
@@ -797,20 +952,21 @@
     status_t err = NO_MEMORY;
 
     // free the current buffer
-    sp<GraphicBuffer>& currentBuffer(mBuffers[index]);
+    sp<GraphicBuffer>& currentBuffer(mBuffers.editItemAt(index));
     if (currentBuffer != 0) {
         getBufferMapper().unregisterBuffer(currentBuffer->handle);
         currentBuffer.clear();
     }
 
-    sp<GraphicBuffer> buffer = s->requestBuffer(index, usage);
+    sp<GraphicBuffer> buffer = s->requestBuffer(index, w, h, format, usage);
     LOGE_IF(buffer==0,
             "ISurface::getBuffer(%d, %08x) returned NULL",
             index, usage);
     if (buffer != 0) { // this should never happen by construction
         LOGE_IF(buffer->handle == NULL, 
-                "Surface (identity=%d) requestBuffer(%d, %08x) returned"
-                "a buffer with a null handle", mIdentity, index, usage);
+                "Surface (identity=%d) requestBuffer(%d, %u, %u, %u, %08x) "
+                "returned a buffer with a null handle",
+                mIdentity, index, w, h, format, usage);
         err = mSharedBufferClient->getStatus();
         LOGE_IF(err,  "Surface (identity=%d) state = %d", mIdentity, err);
         if (!err && buffer->handle != NULL) {
@@ -820,14 +976,52 @@
             if (err == NO_ERROR) {
                 currentBuffer = buffer;
                 currentBuffer->setIndex(index);
-                mNeedFullUpdate = true;
             }
         } else {
-            err = err<0 ? err : NO_MEMORY;
+            err = err<0 ? err : status_t(NO_MEMORY);
         }
     }
     return err; 
 }
 
+// ----------------------------------------------------------------------------
+Surface::BufferInfo::BufferInfo()
+    : mWidth(0), mHeight(0), mFormat(0),
+      mUsage(GRALLOC_USAGE_HW_RENDER), mDirty(0)
+{
+}
+
+void Surface::BufferInfo::set(uint32_t w, uint32_t h, uint32_t format) {
+    if ((mWidth != w) || (mHeight != h) || (mFormat != format)) {
+        mWidth = w;
+        mHeight = h;
+        mFormat = format;
+        mDirty |= GEOMETRY;
+    }
+}
+
+void Surface::BufferInfo::set(uint32_t usage) {
+    mUsage = usage;
+}
+
+void Surface::BufferInfo::get(uint32_t *pWidth, uint32_t *pHeight,
+        uint32_t *pFormat, uint32_t *pUsage) const {
+    *pWidth  = mWidth;
+    *pHeight = mHeight;
+    *pFormat = mFormat;
+    *pUsage  = mUsage;
+}
+
+bool Surface::BufferInfo::validateBuffer(const sp<GraphicBuffer>& buffer) const {
+    // make sure we AT LEAST have the usage flags we want
+    if (mDirty || buffer==0 ||
+            ((buffer->usage & mUsage) != mUsage)) {
+        mDirty = 0;
+        return false;
+    }
+    return true;
+}
+
+// ----------------------------------------------------------------------------
 }; // namespace android
 
diff --git a/libs/surfaceflinger_client/SurfaceComposerClient.cpp b/libs/surfaceflinger_client/SurfaceComposerClient.cpp
index 3117495..4096ac6 100644
--- a/libs/surfaceflinger_client/SurfaceComposerClient.cpp
+++ b/libs/surfaceflinger_client/SurfaceComposerClient.cpp
@@ -17,98 +17,137 @@
 #define LOG_TAG "SurfaceComposerClient"
 
 #include <stdint.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <errno.h>
 #include <sys/types.h>
-#include <sys/stat.h>
 
-#include <cutils/memory.h>
-
-#include <utils/Atomic.h>
 #include <utils/Errors.h>
 #include <utils/threads.h>
-#include <utils/KeyedVector.h>
+#include <utils/SortedVector.h>
 #include <utils/Log.h>
+#include <utils/Singleton.h>
 
 #include <binder/IServiceManager.h>
 #include <binder/IMemory.h>
 
 #include <ui/DisplayInfo.h>
-#include <ui/Rect.h>
 
 #include <surfaceflinger/ISurfaceComposer.h>
-#include <surfaceflinger/ISurfaceFlingerClient.h>
+#include <surfaceflinger/ISurfaceComposerClient.h>
 #include <surfaceflinger/ISurface.h>
 #include <surfaceflinger/SurfaceComposerClient.h>
 
 #include <private/surfaceflinger/LayerState.h>
 #include <private/surfaceflinger/SharedBufferStack.h>
 
-#define VERBOSE(...)	((void)0)
-//#define VERBOSE			LOGD
-
-#define LIKELY( exp )       (__builtin_expect( (exp) != 0, true  ))
-#define UNLIKELY( exp )     (__builtin_expect( (exp) != 0, false ))
 
 namespace android {
+// ---------------------------------------------------------------------------
+
+ANDROID_SINGLETON_STATIC_INSTANCE(ComposerService);
+
+ComposerService::ComposerService()
+: Singleton<ComposerService>() {
+    const String16 name("SurfaceFlinger");
+    while (getService(name, &mComposerService) != NO_ERROR) {
+        usleep(250000);
+    }
+    mServerCblkMemory = mComposerService->getCblk();
+    mServerCblk = static_cast<surface_flinger_cblk_t volatile *>(
+            mServerCblkMemory->getBase());
+}
+
+sp<ISurfaceComposer> ComposerService::getComposerService() {
+    return ComposerService::getInstance().mComposerService;
+}
+
+surface_flinger_cblk_t const volatile * ComposerService::getControlBlock() {
+    return ComposerService::getInstance().mServerCblk;
+}
+
+static inline sp<ISurfaceComposer> getComposerService() {
+    return ComposerService::getComposerService();
+}
+
+static inline surface_flinger_cblk_t const volatile * get_cblk() {
+    return ComposerService::getControlBlock();
+}
 
 // ---------------------------------------------------------------------------
 
-// Must not be holding SurfaceComposerClient::mLock when acquiring gLock here.
-static Mutex                                                gLock;
-static sp<ISurfaceComposer>                                 gSurfaceManager;
-static DefaultKeyedVector< sp<IBinder>, sp<SurfaceComposerClient> > gActiveConnections;
-static SortedVector<sp<SurfaceComposerClient> >             gOpenTransactions;
-static sp<IMemoryHeap>                                      gServerCblkMemory;
-static volatile surface_flinger_cblk_t*                     gServerCblk;
-
-static sp<ISurfaceComposer> getComposerService()
+class Composer : public Singleton<Composer>
 {
-    sp<ISurfaceComposer> sc;
-    Mutex::Autolock _l(gLock);
-    if (gSurfaceManager != 0) {
-        sc = gSurfaceManager;
-    } else {
-        // release the lock while we're waiting...
-        gLock.unlock();
+    Mutex mLock;
+    SortedVector< wp<SurfaceComposerClient> > mActiveConnections;
+    SortedVector<sp<SurfaceComposerClient> > mOpenTransactions;
 
-        sp<IBinder> binder;
-        sp<IServiceManager> sm = defaultServiceManager();
-        do {
-            binder = sm->getService(String16("SurfaceFlinger"));
-            if (binder == 0) {
-                LOGW("SurfaceFlinger not published, waiting...");
-                usleep(500000); // 0.5 s
+    Composer() : Singleton<Composer>() {
+    }
+
+    void addClientImpl(const sp<SurfaceComposerClient>& client) {
+        Mutex::Autolock _l(mLock);
+        mActiveConnections.add(client);
+    }
+
+    void removeClientImpl(const sp<SurfaceComposerClient>& client) {
+        Mutex::Autolock _l(mLock);
+        mActiveConnections.remove(client);
+    }
+
+    void openGlobalTransactionImpl()
+    {
+        Mutex::Autolock _l(mLock);
+        if (mOpenTransactions.size()) {
+            LOGE("openGlobalTransaction() called more than once. skipping.");
+            return;
+        }
+        const size_t N = mActiveConnections.size();
+        for (size_t i=0; i<N; i++) {
+            sp<SurfaceComposerClient> client(mActiveConnections[i].promote());
+            if (client != 0 && mOpenTransactions.indexOf(client) < 0) {
+                if (client->openTransaction() == NO_ERROR) {
+                    mOpenTransactions.add(client);
+                } else {
+                    LOGE("openTransaction on client %p failed", client.get());
+                    // let it go, it'll fail later when the user
+                    // tries to do something with the transaction
+                }
             }
-        } while(binder == 0);
-
-        // grab the lock again for updating gSurfaceManager
-        gLock.lock();
-        if (gSurfaceManager == 0) {
-            sc = interface_cast<ISurfaceComposer>(binder);
-            gSurfaceManager = sc;
-        } else {
-            sc = gSurfaceManager;
         }
     }
-    return sc;
-}
 
-static volatile surface_flinger_cblk_t const * get_cblk()
-{
-    if (gServerCblk == 0) {
+    void closeGlobalTransactionImpl()
+    {
+        mLock.lock();
+            SortedVector< sp<SurfaceComposerClient> > clients(mOpenTransactions);
+            mOpenTransactions.clear();
+        mLock.unlock();
+
         sp<ISurfaceComposer> sm(getComposerService());
-        Mutex::Autolock _l(gLock);
-        if (gServerCblk == 0) {
-            gServerCblkMemory = sm->getCblk();
-            LOGE_IF(gServerCblkMemory==0, "Can't get server control block");
-            gServerCblk = (surface_flinger_cblk_t *)gServerCblkMemory->getBase();
-            LOGE_IF(gServerCblk==0, "Can't get server control block address");
-        }
+        sm->openGlobalTransaction();
+            const size_t N = clients.size();
+            for (size_t i=0; i<N; i++) {
+                clients[i]->closeTransaction();
+            }
+        sm->closeGlobalTransaction();
     }
-    return gServerCblk;
-}
+
+    friend class Singleton<Composer>;
+
+public:
+    static void addClient(const sp<SurfaceComposerClient>& client) {
+        Composer::getInstance().addClientImpl(client);
+    }
+    static void removeClient(const sp<SurfaceComposerClient>& client) {
+        Composer::getInstance().removeClientImpl(client);
+    }
+    static void openGlobalTransaction() {
+        Composer::getInstance().openGlobalTransactionImpl();
+    }
+    static void closeGlobalTransaction() {
+        Composer::getInstance().closeGlobalTransactionImpl();
+    }
+};
+
+ANDROID_SINGLETON_STATIC_INSTANCE(Composer);
 
 // ---------------------------------------------------------------------------
 
@@ -120,61 +159,27 @@
 }
 
 SurfaceComposerClient::SurfaceComposerClient()
+    : mTransactionOpen(0), mPrebuiltLayerState(0), mStatus(NO_INIT)
+{
+}
+
+void SurfaceComposerClient::onFirstRef()
 {
     sp<ISurfaceComposer> sm(getComposerService());
-    if (sm == 0) {
-        _init(0, 0);
-        return;
+    if (sm != 0) {
+        sp<ISurfaceComposerClient> conn = sm->createConnection();
+        if (conn != 0) {
+            mClient = conn;
+            Composer::addClient(this);
+            mPrebuiltLayerState = new layer_state_t;
+            mStatus = NO_ERROR;
+        }
     }
-
-    _init(sm, sm->createConnection());
-
-    if (mClient != 0) {
-        Mutex::Autolock _l(gLock);
-        VERBOSE("Adding client %p to map", this);
-        gActiveConnections.add(mClient->asBinder(), this);
-    }
-}
-
-SurfaceComposerClient::SurfaceComposerClient(
-        const sp<ISurfaceComposer>& sm, const sp<IBinder>& conn)
-{
-    _init(sm, interface_cast<ISurfaceFlingerClient>(conn));
-}
-
-
-status_t SurfaceComposerClient::linkToComposerDeath(
-        const sp<IBinder::DeathRecipient>& recipient,
-        void* cookie, uint32_t flags)
-{
-    sp<ISurfaceComposer> sm(getComposerService());
-    return sm->asBinder()->linkToDeath(recipient, cookie, flags);    
-}
-
-void SurfaceComposerClient::_init(
-        const sp<ISurfaceComposer>& sm, const sp<ISurfaceFlingerClient>& conn)
-{
-    VERBOSE("Creating client %p, conn %p", this, conn.get());
-
-    mPrebuiltLayerState = 0;
-    mTransactionOpen = 0;
-    mStatus = NO_ERROR;
-    mControl = 0;
-
-    mClient = conn;
-    if (mClient == 0) {
-        mStatus = NO_INIT;
-        return;
-    }
-
-    mControlMemory = mClient->getControlBlock();
-    mSignalServer = sm;
-    mControl = static_cast<SharedClient *>(mControlMemory->getBase());
 }
 
 SurfaceComposerClient::~SurfaceComposerClient()
 {
-    VERBOSE("Destroying client %p, conn %p", this, mClient.get());
+    delete mPrebuiltLayerState;
     dispose();
 }
 
@@ -188,69 +193,31 @@
     return (mClient != 0) ? mClient->asBinder() : 0;
 }
 
-sp<SurfaceComposerClient>
-SurfaceComposerClient::clientForConnection(const sp<IBinder>& conn)
+status_t SurfaceComposerClient::linkToComposerDeath(
+        const sp<IBinder::DeathRecipient>& recipient,
+        void* cookie, uint32_t flags)
 {
-    sp<SurfaceComposerClient> client;
-
-    { // scope for lock
-        Mutex::Autolock _l(gLock);
-        client = gActiveConnections.valueFor(conn);
-    }
-
-    if (client == 0) {
-        // Need to make a new client.
-        sp<ISurfaceComposer> sm(getComposerService());
-        client = new SurfaceComposerClient(sm, conn);
-        if (client != 0 && client->initCheck() == NO_ERROR) {
-            Mutex::Autolock _l(gLock);
-            gActiveConnections.add(conn, client);
-            //LOGD("we have %d connections", gActiveConnections.size());
-        } else {
-            client.clear();
-        }
-    }
-
-    return client;
+    sp<ISurfaceComposer> sm(getComposerService());
+    return sm->asBinder()->linkToDeath(recipient, cookie, flags);
 }
 
 void SurfaceComposerClient::dispose()
 {
     // this can be called more than once.
-
-    sp<IMemoryHeap>             controlMemory;
-    sp<ISurfaceFlingerClient>   client;
-
-    {
-        Mutex::Autolock _lg(gLock);
-        Mutex::Autolock _lm(mLock);
-
-        mSignalServer = 0;
-
-        if (mClient != 0) {
-            client = mClient;
-            mClient.clear();
-
-            ssize_t i = gActiveConnections.indexOfKey(client->asBinder());
-            if (i >= 0 && gActiveConnections.valueAt(i) == this) {
-                VERBOSE("Removing client %p from map at %d", this, int(i));
-                gActiveConnections.removeItemsAt(i);
-            }
-        }
-
-        delete mPrebuiltLayerState;
-        mPrebuiltLayerState = 0;
-        controlMemory = mControlMemory;
-        mControlMemory.clear();
-        mControl = 0;
-        mStatus = NO_INIT;
+    sp<ISurfaceComposerClient> client;
+    Mutex::Autolock _lm(mLock);
+    if (mClient != 0) {
+        Composer::removeClient(this);
+        client = mClient; // hold ref while lock is held
+        mClient.clear();
     }
+    mStatus = NO_INIT;
 }
 
 status_t SurfaceComposerClient::getDisplayInfo(
         DisplayID dpy, DisplayInfo* info)
 {
-    if (uint32_t(dpy)>=NUM_DISPLAY_MAX)
+    if (uint32_t(dpy)>=SharedBufferStack::NUM_DISPLAY_MAX)
         return BAD_VALUE;
 
     volatile surface_flinger_cblk_t const * cblk = get_cblk();
@@ -268,7 +235,7 @@
 
 ssize_t SurfaceComposerClient::getDisplayWidth(DisplayID dpy)
 {
-    if (uint32_t(dpy)>=NUM_DISPLAY_MAX)
+    if (uint32_t(dpy)>=SharedBufferStack::NUM_DISPLAY_MAX)
         return BAD_VALUE;
     volatile surface_flinger_cblk_t const * cblk = get_cblk();
     volatile display_cblk_t const * dcblk = cblk->displays + dpy;
@@ -277,7 +244,7 @@
 
 ssize_t SurfaceComposerClient::getDisplayHeight(DisplayID dpy)
 {
-    if (uint32_t(dpy)>=NUM_DISPLAY_MAX)
+    if (uint32_t(dpy)>=SharedBufferStack::NUM_DISPLAY_MAX)
         return BAD_VALUE;
     volatile surface_flinger_cblk_t const * cblk = get_cblk();
     volatile display_cblk_t const * dcblk = cblk->displays + dpy;
@@ -286,7 +253,7 @@
 
 ssize_t SurfaceComposerClient::getDisplayOrientation(DisplayID dpy)
 {
-    if (uint32_t(dpy)>=NUM_DISPLAY_MAX)
+    if (uint32_t(dpy)>=SharedBufferStack::NUM_DISPLAY_MAX)
         return BAD_VALUE;
     volatile surface_flinger_cblk_t const * cblk = get_cblk();
     volatile display_cblk_t const * dcblk = cblk->displays + dpy;
@@ -305,12 +272,6 @@
     return n;
 }
 
-
-void SurfaceComposerClient::signalServer()
-{
-    mSignalServer->signal();
-}
-
 sp<SurfaceControl> SurfaceComposerClient::createSurface(
         int pid,
         DisplayID display,
@@ -327,7 +288,6 @@
 
     return SurfaceComposerClient::createSurface(pid, name, display,
             w, h, format, flags);
-
 }
 
 sp<SurfaceControl> SurfaceComposerClient::createSurface(
@@ -341,13 +301,11 @@
 {
     sp<SurfaceControl> result;
     if (mStatus == NO_ERROR) {
-        ISurfaceFlingerClient::surface_data_t data;
+        ISurfaceComposerClient::surface_data_t data;
         sp<ISurface> surface = mClient->createSurface(&data, pid, name,
                 display, w, h, format, flags);
         if (surface != 0) {
-            if (uint32_t(data.token) < NUM_LAYERS_MAX) {
-                result = new SurfaceControl(this, surface, data, w, h, format, flags);
-            }
+            result = new SurfaceControl(this, surface, data, w, h, format, flags);
         }
     }
     return result;
@@ -373,56 +331,14 @@
 
 void SurfaceComposerClient::openGlobalTransaction()
 {
-    Mutex::Autolock _l(gLock);
-
-    if (gOpenTransactions.size()) {
-        LOGE("openGlobalTransaction() called more than once. skipping.");
-        return;
-    }
-
-    const size_t N = gActiveConnections.size();
-    VERBOSE("openGlobalTransaction (%ld clients)", N);
-    for (size_t i=0; i<N; i++) {
-        sp<SurfaceComposerClient> client(gActiveConnections.valueAt(i));
-        if (gOpenTransactions.indexOf(client) < 0) {
-            if (client->openTransaction() == NO_ERROR) {
-                if (gOpenTransactions.add(client) < 0) {
-                    // Ooops!
-                    LOGE(   "Unable to add a SurfaceComposerClient "
-                            "to the global transaction set (out of memory?)");
-                    client->closeTransaction();
-                    // let it go, it'll fail later when the user
-                    // tries to do something with the transaction
-                }
-            } else {
-                LOGE("openTransaction on client %p failed", client.get());
-                // let it go, it'll fail later when the user
-                // tries to do something with the transaction
-            }
-        }
-    }
+    Composer::openGlobalTransaction();
 }
 
 void SurfaceComposerClient::closeGlobalTransaction()
 {
-    gLock.lock();
-        SortedVector< sp<SurfaceComposerClient> > clients(gOpenTransactions);
-        gOpenTransactions.clear();
-    gLock.unlock();
-
-    const size_t N = clients.size();
-    VERBOSE("closeGlobalTransaction (%ld clients)", N);
-
-    sp<ISurfaceComposer> sm(getComposerService());
-    sm->openGlobalTransaction();
-    for (size_t i=0; i<N; i++) {
-        clients[i]->closeTransaction();
-    }
-    sm->closeGlobalTransaction();
-
+    Composer::closeGlobalTransaction();
 }
 
-
 status_t SurfaceComposerClient::freezeDisplay(DisplayID dpy, uint32_t flags)
 {
     sp<ISurfaceComposer> sm(getComposerService());
@@ -447,26 +363,16 @@
     if (mStatus != NO_ERROR)
         return mStatus;
     Mutex::Autolock _l(mLock);
-    VERBOSE(   "openTransaction (client %p, mTransactionOpen=%d)",
-            this, mTransactionOpen);
     mTransactionOpen++;
-    if (mPrebuiltLayerState == 0) {
-        mPrebuiltLayerState = new layer_state_t;
-    }
     return NO_ERROR;
 }
 
-
 status_t SurfaceComposerClient::closeTransaction()
 {
     if (mStatus != NO_ERROR)
         return mStatus;
 
     Mutex::Autolock _l(mLock);
-
-    VERBOSE(   "closeTransaction (client %p, mTransactionOpen=%d)",
-            this, mTransactionOpen);
-
     if (mTransactionOpen <= 0) {
         LOGE(   "closeTransaction (client %p, mTransactionOpen=%d) "
                 "called more times than openTransaction()",
@@ -488,7 +394,7 @@
     return NO_ERROR;
 }
 
-layer_state_t* SurfaceComposerClient::_get_state_l(SurfaceID index)
+layer_state_t* SurfaceComposerClient::get_state_l(SurfaceID index)
 {
     // API usage error, do nothing.
     if (mTransactionOpen<=0) {
@@ -498,7 +404,7 @@
     }
 
     // use mPrebuiltLayerState just to find out if we already have it
-    layer_state_t& dummy = *mPrebuiltLayerState;
+    layer_state_t& dummy(*mPrebuiltLayerState);
     dummy.surface = index;
     ssize_t i = mStates.indexOf(dummy);
     if (i < 0) {
@@ -508,49 +414,49 @@
     return mStates.editArray() + i;
 }
 
-layer_state_t* SurfaceComposerClient::_lockLayerState(SurfaceID id)
+layer_state_t* SurfaceComposerClient::lockLayerState(SurfaceID id)
 {
     layer_state_t* s;
     mLock.lock();
-    s = _get_state_l(id);
+    s = get_state_l(id);
     if (!s) mLock.unlock();
     return s;
 }
 
-void SurfaceComposerClient::_unlockLayerState()
+void SurfaceComposerClient::unlockLayerState()
 {
     mLock.unlock();
 }
 
 status_t SurfaceComposerClient::setPosition(SurfaceID id, int32_t x, int32_t y)
 {
-    layer_state_t* s = _lockLayerState(id);
+    layer_state_t* s = lockLayerState(id);
     if (!s) return BAD_INDEX;
     s->what |= ISurfaceComposer::ePositionChanged;
     s->x = x;
     s->y = y;
-    _unlockLayerState();
+    unlockLayerState();
     return NO_ERROR;
 }
 
 status_t SurfaceComposerClient::setSize(SurfaceID id, uint32_t w, uint32_t h)
 {
-    layer_state_t* s = _lockLayerState(id);
+    layer_state_t* s = lockLayerState(id);
     if (!s) return BAD_INDEX;
     s->what |= ISurfaceComposer::eSizeChanged;
     s->w = w;
     s->h = h;
-    _unlockLayerState();
+    unlockLayerState();
     return NO_ERROR;
 }
 
 status_t SurfaceComposerClient::setLayer(SurfaceID id, int32_t z)
 {
-    layer_state_t* s = _lockLayerState(id);
+    layer_state_t* s = lockLayerState(id);
     if (!s) return BAD_INDEX;
     s->what |= ISurfaceComposer::eLayerChanged;
     s->z = z;
-    _unlockLayerState();
+    unlockLayerState();
     return NO_ERROR;
 }
 
@@ -579,34 +485,34 @@
 status_t SurfaceComposerClient::setFlags(SurfaceID id,
         uint32_t flags, uint32_t mask)
 {
-    layer_state_t* s = _lockLayerState(id);
+    layer_state_t* s = lockLayerState(id);
     if (!s) return BAD_INDEX;
     s->what |= ISurfaceComposer::eVisibilityChanged;
     s->flags &= ~mask;
     s->flags |= (flags & mask);
     s->mask |= mask;
-    _unlockLayerState();
+    unlockLayerState();
     return NO_ERROR;
 }
 
 status_t SurfaceComposerClient::setTransparentRegionHint(
         SurfaceID id, const Region& transparentRegion)
 {
-    layer_state_t* s = _lockLayerState(id);
+    layer_state_t* s = lockLayerState(id);
     if (!s) return BAD_INDEX;
     s->what |= ISurfaceComposer::eTransparentRegionChanged;
     s->transparentRegion = transparentRegion;
-    _unlockLayerState();
+    unlockLayerState();
     return NO_ERROR;
 }
 
 status_t SurfaceComposerClient::setAlpha(SurfaceID id, float alpha)
 {
-    layer_state_t* s = _lockLayerState(id);
+    layer_state_t* s = lockLayerState(id);
     if (!s) return BAD_INDEX;
     s->what |= ISurfaceComposer::eAlphaChanged;
     s->alpha = alpha;
-    _unlockLayerState();
+    unlockLayerState();
     return NO_ERROR;
 }
 
@@ -615,7 +521,7 @@
         float dsdx, float dtdx,
         float dsdy, float dtdy )
 {
-    layer_state_t* s = _lockLayerState(id);
+    layer_state_t* s = lockLayerState(id);
     if (!s) return BAD_INDEX;
     s->what |= ISurfaceComposer::eMatrixChanged;
     layer_state_t::matrix22_t matrix;
@@ -624,19 +530,20 @@
     matrix.dsdy = dsdy;
     matrix.dtdy = dtdy;
     s->matrix = matrix;
-    _unlockLayerState();
+    unlockLayerState();
     return NO_ERROR;
 }
 
 status_t SurfaceComposerClient::setFreezeTint(SurfaceID id, uint32_t tint)
 {
-    layer_state_t* s = _lockLayerState(id);
+    layer_state_t* s = lockLayerState(id);
     if (!s) return BAD_INDEX;
     s->what |= ISurfaceComposer::eFreezeTintChanged;
     s->tint = tint;
-    _unlockLayerState();
+    unlockLayerState();
     return NO_ERROR;
 }
 
+// ----------------------------------------------------------------------------
 }; // namespace android
 
diff --git a/libs/surfaceflinger/tests/Android.mk b/libs/surfaceflinger_client/tests/Android.mk
similarity index 100%
rename from libs/surfaceflinger/tests/Android.mk
rename to libs/surfaceflinger_client/tests/Android.mk
diff --git a/libs/surfaceflinger_client/tests/SharedBufferStack/Android.mk b/libs/surfaceflinger_client/tests/SharedBufferStack/Android.mk
new file mode 100644
index 0000000..d3dfe04
--- /dev/null
+++ b/libs/surfaceflinger_client/tests/SharedBufferStack/Android.mk
@@ -0,0 +1,17 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+	SharedBufferStackTest.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+	libcutils \
+	libutils \
+    libui \
+    libsurfaceflinger_client
+
+LOCAL_MODULE:= test-sharedbufferstack
+
+LOCAL_MODULE_TAGS := tests
+
+include $(BUILD_EXECUTABLE)
diff --git a/libs/surfaceflinger_client/tests/SharedBufferStack/SharedBufferStackTest.cpp b/libs/surfaceflinger_client/tests/SharedBufferStack/SharedBufferStackTest.cpp
new file mode 100644
index 0000000..f409f48
--- /dev/null
+++ b/libs/surfaceflinger_client/tests/SharedBufferStack/SharedBufferStackTest.cpp
@@ -0,0 +1,279 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#undef NDEBUG
+
+#include <assert.h>
+#include <cutils/memory.h>
+#include <cutils/log.h>
+#include <utils/Errors.h>
+#include <private/surfaceflinger/SharedBufferStack.h>
+
+using namespace android;
+
+void log(const char* prefix, int *b, size_t num);
+void test0(SharedBufferServer& s, SharedBufferClient& c, size_t num, int* list);
+
+// ----------------------------------------------------------------------------
+
+int main(int argc, char** argv)
+{
+    SharedClient client;
+    SharedBufferServer s(&client, 0, 4, 0);
+    SharedBufferClient c(&client, 0, 4, 0);
+
+    printf("basic test 0\n");
+    int list0[4] = {0, 1, 2, 3};
+    test0(s, c, 4, list0);
+
+    printf("basic test 1\n");
+    int list1[4] = {2, 1, 0, 3};
+    test0(s, c, 4, list1);
+
+    int b = c.dequeue();
+    c.lock(b);
+    c.queue(b);
+    s.retireAndLock();
+
+    printf("basic test 2\n");
+    int list2[4] = {1, 2, 3, 0};
+    test0(s, c, 4, list2);
+
+
+    printf("resize test\n");
+    class SetBufferCountIPC : public SharedBufferClient::SetBufferCountCallback {
+        SharedBufferServer& s;
+        virtual status_t operator()(int bufferCount) const {
+            return s.resize(bufferCount);
+        }
+    public:
+        SetBufferCountIPC(SharedBufferServer& s) : s(s) { }
+    } resize(s);
+
+    c.setBufferCount(6, resize);
+    int list3[6] = {3, 2, 1, 4, 5, 0};
+    test0(s, c, 6, list3);
+
+    return 0;
+}
+
+void log(const char* prefix, int *b, size_t num)
+{
+    printf("%s: ", prefix);
+    for (size_t i=0 ; i<num ; i++) {
+        printf("%d ", b[i]);
+    }
+    printf("\n");
+}
+
+// ----------------------------------------------------------------------------
+
+void test0(
+        SharedBufferServer& s,
+        SharedBufferClient& c,
+        size_t num,
+        int* list)
+{
+    status_t err;
+    int b[num], u[num], r[num];
+
+    for (size_t i=0 ; i<num ; i++) {
+        b[i] = c.dequeue();
+        assert(b[i]==list[i]);
+    }
+    log("DQ", b, num);
+
+    for (size_t i=0 ; i<num-1 ; i++) {
+        err = c.lock(b[i]);
+        assert(err==0);
+    }
+    log("LK", b, num-1);
+
+    for (size_t i=0 ; i<num-1 ; i++) {
+        err = c.queue(b[i]);
+        assert(err==0);
+    }
+    log(" Q", b, num-1);
+
+
+    for (size_t i=0 ; i<num-1 ; i++) {
+        r[i] = s.retireAndLock();
+        assert(r[i]==list[i]);
+        err = s.unlock(r[i]);
+        assert(err == 0);
+    }
+    log("RT", r, num-1);
+
+    err = c.lock(b[num-1]);
+    assert(err == 0);
+    log("LK", b+num-1, 1);
+
+    err = c.queue(b[num-1]);
+    assert(err == 0);
+    log(" Q", b+num-1, 1);
+
+    r[num-1] = s.retireAndLock();
+    assert(r[num-1]==list[num-1]);
+    err = s.unlock(r[num-1]);
+    assert(err == 0);
+    log("RT", r+num-1, 1);
+
+    // ------------------------------------
+    printf("\n");
+
+    for (size_t i=0 ; i<num ; i++) {
+        b[i] = c.dequeue();
+        assert(b[i]==list[i]);
+    }
+    log("DQ", b, num);
+
+    for (size_t i=0 ; i<num-1 ; i++) {
+        err = c.lock(b[i]);
+        assert(err==0);
+    }
+    log("LK", b, num-1);
+
+    for (size_t i=0 ; i<num-1 ; i++) {
+        u[i] = b[num-2-i];
+    }
+    u[num-1] = b[num-1];
+
+    for (size_t i=0 ; i<num-1 ; i++) {
+        err = c.queue(u[i]);
+        assert(err==0);
+    }
+    log(" Q", u, num-1);
+
+    for (size_t i=0 ; i<num-1 ; i++) {
+        r[i] = s.retireAndLock();
+        assert(r[i]==u[i]);
+        err = s.unlock(r[i]);
+        assert(err == 0);
+    }
+    log("RT", r, num-1);
+
+    err = c.lock(b[num-1]);
+    assert(err == 0);
+    log("LK", b+num-1, 1);
+
+    err = c.queue(b[num-1]);
+    assert(err == 0);
+    log(" Q", b+num-1, 1);
+
+    r[num-1] = s.retireAndLock();
+    assert(r[num-1]==list[num-1]);
+    err = s.unlock(r[num-1]);
+    assert(err == 0);
+    log("RT", r+num-1, 1);
+
+    // ------------------------------------
+    printf("\n");
+
+    for (size_t i=0 ; i<num ; i++) {
+        b[i] = c.dequeue();
+        assert(b[i]==u[i]);
+    }
+    log("DQ", b, num);
+
+    for (size_t i=0 ; i<num-1 ; i++) {
+        err = c.lock(b[i]);
+        assert(err==0);
+    }
+    log("LK", b, num-1);
+
+    for (size_t i=0 ; i<num-1 ; i++) {
+        err = c.queue(b[i]);
+        assert(err==0);
+    }
+    log(" Q", b, num-1);
+
+    for (size_t i=0 ; i<num-1 ; i++) {
+        r[i] = s.retireAndLock();
+        assert(r[i]==u[i]);
+        err = s.unlock(r[i]);
+        assert(err == 0);
+    }
+    log("RT", r, num-1);
+
+    err = c.lock(u[num-1]);
+    assert(err == 0);
+    log("LK", u+num-1, 1);
+
+    err = c.queue(u[num-1]);
+    assert(err == 0);
+    log(" Q", u+num-1, 1);
+
+    r[num-1] = s.retireAndLock();
+    assert(r[num-1]==u[num-1]);
+    err = s.unlock(r[num-1]);
+    assert(err == 0);
+    log("RT", r+num-1, 1);
+
+    // ------------------------------------
+    printf("\n");
+
+    b[0] = c.dequeue();
+    assert(b[0]==u[0]);
+    log("DQ", b, 1);
+
+    c.undoDequeue(b[0]);
+    assert(err == 0);
+    log("UDQ", b, 1);
+
+    // ------------------------------------
+    printf("\n");
+
+    for (size_t i=0 ; i<num ; i++) {
+        b[i] = c.dequeue();
+        assert(b[i]==u[i]);
+    }
+    log("DQ", b, num);
+
+    for (size_t i=0 ; i<num-1 ; i++) {
+        err = c.lock(b[i]);
+        assert(err==0);
+    }
+    log("LK", b, num-1);
+
+    for (size_t i=0 ; i<num-1 ; i++) {
+        err = c.queue(b[i]);
+        assert(err==0);
+    }
+    log(" Q", b, num-1);
+
+    for (size_t i=0 ; i<num-1 ; i++) {
+        r[i] = s.retireAndLock();
+        assert(r[i]==u[i]);
+        err = s.unlock(r[i]);
+        assert(err == 0);
+    }
+    log("RT", r, num-1);
+
+    err = c.lock(u[num-1]);
+    assert(err == 0);
+    log("LK", u+num-1, 1);
+
+    err = c.queue(u[num-1]);
+    assert(err == 0);
+    log(" Q", u+num-1, 1);
+
+    r[num-1] = s.retireAndLock();
+    assert(r[num-1]==u[num-1]);
+    err = s.unlock(r[num-1]);
+    assert(err == 0);
+    log("RT", r+num-1, 1);
+    printf("\n");
+}
diff --git a/libs/ui/Android.mk b/libs/ui/Android.mk
index f7acd97..4243bbf 100644
--- a/libs/ui/Android.mk
+++ b/libs/ui/Android.mk
@@ -11,6 +11,12 @@
 	GraphicBufferMapper.cpp \
 	KeyLayoutMap.cpp \
 	KeyCharacterMap.cpp \
+	Input.cpp \
+	InputDevice.cpp \
+	InputDispatcher.cpp \
+	InputManager.cpp \
+	InputReader.cpp \
+	InputTransport.cpp \
 	IOverlay.cpp \
 	Overlay.cpp \
 	PixelFormat.cpp \
@@ -33,3 +39,13 @@
 endif
 
 include $(BUILD_SHARED_LIBRARY)
+
+
+# Include subdirectory makefiles
+# ============================================================
+
+# If we're building with ONE_SHOT_MAKEFILE (mm, mmm), then what the framework
+# team really wants is to build the stuff defined by this makefile.
+ifeq (,$(ONE_SHOT_MAKEFILE))
+include $(call first-makefiles-under,$(LOCAL_PATH))
+endif
diff --git a/libs/ui/EventHub.cpp b/libs/ui/EventHub.cpp
index d45eaf0..33dd373 100644
--- a/libs/ui/EventHub.cpp
+++ b/libs/ui/EventHub.cpp
@@ -54,6 +54,9 @@
  */
 #define test_bit(bit, array)    (array[bit/8] & (1<<(bit%8)))
 
+/* this macro computes the number of bytes needed to represent a bit array of the specified size */
+#define sizeof_bit_array(bits)  ((bits + 7) / 8)
+
 #define ID_MASK  0x0000ffff
 #define SEQ_MASK 0x7fff0000
 #define SEQ_SHIFT 16
@@ -155,77 +158,70 @@
     return 0;
 }
 
-int EventHub::getSwitchState(int sw) const
-{
-#ifdef EV_SW
-    if (sw >= 0 && sw <= SW_MAX) {
-        int32_t devid = mSwitches[sw];
-        if (devid != 0) {
-            return getSwitchState(devid, sw);
+int32_t EventHub::getScanCodeState(int32_t deviceId, int32_t deviceClasses,
+        int32_t scanCode) const {
+    if (scanCode >= 0 && scanCode <= KEY_MAX) {
+        AutoMutex _l(mLock);
+
+        if (deviceId == -1) {
+            for (int i = 0; i < mNumDevicesById; i++) {
+                device_t* device = mDevicesById[i].device;
+                if (device != NULL && (device->classes & deviceClasses) != 0) {
+                    int32_t result = getScanCodeStateLocked(device, scanCode);
+                    if (result >= AKEY_STATE_DOWN) {
+                        return result;
+                    }
+                }
+            }
+            return AKEY_STATE_UP;
+        } else {
+            device_t* device = getDevice(deviceId);
+            if (device != NULL) {
+                return getScanCodeStateLocked(device, scanCode);
+            }
         }
     }
-#endif
-    return -1;
+    return AKEY_STATE_UNKNOWN;
 }
 
-int EventHub::getSwitchState(int32_t deviceId, int sw) const
-{
-#ifdef EV_SW
-    AutoMutex _l(mLock);
-    device_t* device = getDevice(deviceId);
-    if (device == NULL) return -1;
-    
-    if (sw >= 0 && sw <= SW_MAX) {
-        uint8_t sw_bitmask[(SW_MAX+7)/8];
-        memset(sw_bitmask, 0, sizeof(sw_bitmask));
-        if (ioctl(mFDs[id_to_index(device->id)].fd,
-                   EVIOCGSW(sizeof(sw_bitmask)), sw_bitmask) >= 0) {
-            return test_bit(sw, sw_bitmask) ? 1 : 0;
+int32_t EventHub::getScanCodeStateLocked(device_t* device, int32_t scanCode) const {
+    uint8_t key_bitmask[sizeof_bit_array(KEY_MAX + 1)];
+    memset(key_bitmask, 0, sizeof(key_bitmask));
+    if (ioctl(mFDs[id_to_index(device->id)].fd,
+               EVIOCGKEY(sizeof(key_bitmask)), key_bitmask) >= 0) {
+        return test_bit(scanCode, key_bitmask) ? AKEY_STATE_DOWN : AKEY_STATE_UP;
+    }
+    return AKEY_STATE_UNKNOWN;
+}
+
+int32_t EventHub::getKeyCodeState(int32_t deviceId, int32_t deviceClasses,
+        int32_t keyCode) const {
+
+    if (deviceId == -1) {
+        for (int i = 0; i < mNumDevicesById; i++) {
+            device_t* device = mDevicesById[i].device;
+            if (device != NULL && (device->classes & deviceClasses) != 0) {
+                int32_t result = getKeyCodeStateLocked(device, keyCode);
+                if (result >= AKEY_STATE_DOWN) {
+                    return result;
+                }
+            }
+        }
+        return AKEY_STATE_UP;
+    } else {
+        device_t* device = getDevice(deviceId);
+        if (device != NULL) {
+            return getKeyCodeStateLocked(device, keyCode);
         }
     }
-#endif
-    
-    return -1;
+    return AKEY_STATE_UNKNOWN;
 }
 
-int EventHub::getScancodeState(int code) const
-{
-    return getScancodeState(mFirstKeyboardId, code);
-}
-
-int EventHub::getScancodeState(int32_t deviceId, int code) const
-{
-    AutoMutex _l(mLock);
-    device_t* device = getDevice(deviceId);
-    if (device == NULL) return -1;
-    
-    if (code >= 0 && code <= KEY_MAX) {
-        uint8_t key_bitmask[(KEY_MAX+7)/8];
-        memset(key_bitmask, 0, sizeof(key_bitmask));
-        if (ioctl(mFDs[id_to_index(device->id)].fd,
-                   EVIOCGKEY(sizeof(key_bitmask)), key_bitmask) >= 0) {
-            return test_bit(code, key_bitmask) ? 1 : 0;
-        }
-    }
-    
-    return -1;
-}
-
-int EventHub::getKeycodeState(int code) const
-{
-    return getKeycodeState(mFirstKeyboardId, code);
-}
-
-int EventHub::getKeycodeState(int32_t deviceId, int code) const
-{
-    AutoMutex _l(mLock);
-    device_t* device = getDevice(deviceId);
-    if (device == NULL || device->layoutMap == NULL) return -1;
-    
+int32_t EventHub::getKeyCodeStateLocked(device_t* device, int32_t keyCode) const {
     Vector<int32_t> scanCodes;
-    device->layoutMap->findScancodes(code, &scanCodes);
-    
-    uint8_t key_bitmask[(KEY_MAX+7)/8];
+    device->layoutMap->findScancodes(keyCode, &scanCodes);
+
+    uint8_t key_bitmask[sizeof_bit_array(KEY_MAX + 1)];
     memset(key_bitmask, 0, sizeof(key_bitmask));
     if (ioctl(mFDs[id_to_index(device->id)].fd,
                EVIOCGKEY(sizeof(key_bitmask)), key_bitmask) >= 0) {
@@ -239,12 +235,45 @@
             int32_t sc = scanCodes.itemAt(i);
             //LOGI("Code %d: down=%d", sc, test_bit(sc, key_bitmask));
             if (sc >= 0 && sc <= KEY_MAX && test_bit(sc, key_bitmask)) {
-                return 1;
+                return AKEY_STATE_DOWN;
             }
         }
+        return AKEY_STATE_UP;
     }
-    
-    return 0;
+    return AKEY_STATE_UNKNOWN;
+}
+
+int32_t EventHub::getSwitchState(int32_t deviceId, int32_t deviceClasses, int32_t sw) const {
+#ifdef EV_SW
+    if (sw >= 0 && sw <= SW_MAX) {
+        AutoMutex _l(mLock);
+
+        if (deviceId == -1) {
+            deviceId = mSwitches[sw];
+            if (deviceId == 0) {
+                return AKEY_STATE_UNKNOWN;
+            }
+        }
+
+        device_t* device = getDevice(deviceId);
+        if (device == NULL) {
+            return AKEY_STATE_UNKNOWN;
+        }
+
+        return getSwitchStateLocked(device, sw);
+    }
+#endif
+    return AKEY_STATE_UNKNOWN;
+}
+
+int32_t EventHub::getSwitchStateLocked(device_t* device, int32_t sw) const {
+    uint8_t sw_bitmask[sizeof_bit_array(SW_MAX + 1)];
+    memset(sw_bitmask, 0, sizeof(sw_bitmask));
+    if (ioctl(mFDs[id_to_index(device->id)].fd,
+               EVIOCGSW(sizeof(sw_bitmask)), sw_bitmask) >= 0) {
+        return test_bit(sw, sw_bitmask) ? AKEY_STATE_DOWN : AKEY_STATE_UP;
+    }
+    return AKEY_STATE_UNKNOWN;
 }
 
 status_t EventHub::scancodeToKeycode(int32_t deviceId, int scancode,
@@ -309,9 +338,6 @@
 
     status_t err;
 
-    fd_set readfds;
-    int maxFd = -1;
-    int cc;
     int i;
     int res;
     int pollres;
@@ -386,7 +412,7 @@
                             LOGV("iev.code=%d outKeycode=%d outFlags=0x%08x err=%d\n",
                                 iev.code, *outKeycode, *outFlags, err);
                             if (err != 0) {
-                                *outKeycode = 0;
+                                *outKeycode = AKEYCODE_UNKNOWN;
                                 *outFlags = 0;
                             }
                         } else {
@@ -457,7 +483,7 @@
  * Inspect the known devices to determine whether physical keys exist for the given
  * framework-domain key codes.
  */
-bool EventHub::hasKeys(size_t numCodes, int32_t* keyCodes, uint8_t* outFlags) {
+bool EventHub::hasKeys(size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) const {
     for (size_t codeIndex = 0; codeIndex < numCodes; codeIndex++) {
         outFlags[codeIndex] = 0;
 
@@ -465,7 +491,8 @@
         Vector<int32_t> scanCodes;
         for (int n = 0; (n < mFDCount) && (outFlags[codeIndex] == 0); n++) {
             if (mDevices[n]) {
-                status_t err = mDevices[n]->layoutMap->findScancodes(keyCodes[codeIndex], &scanCodes);
+                status_t err = mDevices[n]->layoutMap->findScancodes(
+                        keyCodes[codeIndex], &scanCodes);
                 if (!err) {
                     // check the possible scan codes identified by the layout map against the
                     // map of codes actually emitted by the driver
@@ -485,6 +512,26 @@
 
 // ----------------------------------------------------------------------------
 
+static bool containsNonZeroByte(const uint8_t* array, uint32_t startIndex, uint32_t endIndex) {
+    const uint8_t* end = array + endIndex;
+    array += startIndex;
+    while (array != end) {
+        if (*(array++) != 0) {
+            return true;
+        }
+    }
+    return false;
+}
+
+static const int32_t GAMEPAD_KEYCODES[] = {
+        AKEYCODE_BUTTON_A, AKEYCODE_BUTTON_B, AKEYCODE_BUTTON_C,
+        AKEYCODE_BUTTON_X, AKEYCODE_BUTTON_Y, AKEYCODE_BUTTON_Z,
+        AKEYCODE_BUTTON_L1, AKEYCODE_BUTTON_R1,
+        AKEYCODE_BUTTON_L2, AKEYCODE_BUTTON_R2,
+        AKEYCODE_BUTTON_THUMBL, AKEYCODE_BUTTON_THUMBR,
+        AKEYCODE_BUTTON_START, AKEYCODE_BUTTON_SELECT, AKEYCODE_BUTTON_MODE
+};
+
 int EventHub::open_device(const char *deviceName)
 {
     int version;
@@ -602,27 +649,27 @@
     mFDs[mFDCount].fd = fd;
     mFDs[mFDCount].events = POLLIN;
 
-    // figure out the kinds of events the device reports
+    // Figure out the kinds of events the device reports.
     
-    // See if this is a keyboard, and classify it.  Note that we only
-    // consider up through the function keys; we don't want to include
-    // ones after that (play cd etc) so we don't mistakenly consider a
-    // controller to be a keyboard.
-    uint8_t key_bitmask[(KEY_MAX+7)/8];
+    uint8_t key_bitmask[sizeof_bit_array(KEY_MAX + 1)];
     memset(key_bitmask, 0, sizeof(key_bitmask));
+
     LOGV("Getting keys...");
     if (ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(key_bitmask)), key_bitmask) >= 0) {
         //LOGI("MAP\n");
-        //for (int i=0; i<((KEY_MAX+7)/8); i++) {
+        //for (int i = 0; i < sizeof(key_bitmask); i++) {
         //    LOGI("%d: 0x%02x\n", i, key_bitmask[i]);
         //}
-        for (int i=0; i<((BTN_MISC+7)/8); i++) {
-            if (key_bitmask[i] != 0) {
-                device->classes |= CLASS_KEYBOARD;
-                break;
-            }
-        }
-        if ((device->classes & CLASS_KEYBOARD) != 0) {
+
+        // See if this is a keyboard.  Ignore everything in the button range except for
+        // gamepads which are also considered keyboards.
+        if (containsNonZeroByte(key_bitmask, 0, sizeof_bit_array(BTN_MISC))
+                || containsNonZeroByte(key_bitmask, sizeof_bit_array(BTN_GAMEPAD),
+                        sizeof_bit_array(BTN_DIGI))
+                || containsNonZeroByte(key_bitmask, sizeof_bit_array(KEY_OK),
+                        sizeof_bit_array(KEY_MAX + 1))) {
+            device->classes |= INPUT_DEVICE_CLASS_KEYBOARD;
+
             device->keyBitmask = new uint8_t[sizeof(key_bitmask)];
             if (device->keyBitmask != NULL) {
                 memcpy(device->keyBitmask, key_bitmask, sizeof(key_bitmask));
@@ -634,39 +681,39 @@
         }
     }
     
-    // See if this is a trackball.
+    // See if this is a trackball (or mouse).
     if (test_bit(BTN_MOUSE, key_bitmask)) {
-        uint8_t rel_bitmask[(REL_MAX+7)/8];
+        uint8_t rel_bitmask[sizeof_bit_array(REL_MAX + 1)];
         memset(rel_bitmask, 0, sizeof(rel_bitmask));
         LOGV("Getting relative controllers...");
-        if (ioctl(fd, EVIOCGBIT(EV_REL, sizeof(rel_bitmask)), rel_bitmask) >= 0)
-        {
+        if (ioctl(fd, EVIOCGBIT(EV_REL, sizeof(rel_bitmask)), rel_bitmask) >= 0) {
             if (test_bit(REL_X, rel_bitmask) && test_bit(REL_Y, rel_bitmask)) {
-                device->classes |= CLASS_TRACKBALL;
+                device->classes |= INPUT_DEVICE_CLASS_TRACKBALL;
             }
         }
     }
-    
-    uint8_t abs_bitmask[(ABS_MAX+7)/8];
+
+    // See if this is a touch pad.
+    uint8_t abs_bitmask[sizeof_bit_array(ABS_MAX + 1)];
     memset(abs_bitmask, 0, sizeof(abs_bitmask));
     LOGV("Getting absolute controllers...");
-    ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(abs_bitmask)), abs_bitmask);
-    
-    // Is this a new modern multi-touch driver?
-    if (test_bit(ABS_MT_TOUCH_MAJOR, abs_bitmask)
-            && test_bit(ABS_MT_POSITION_X, abs_bitmask)
-            && test_bit(ABS_MT_POSITION_Y, abs_bitmask)) {
-        device->classes |= CLASS_TOUCHSCREEN | CLASS_TOUCHSCREEN_MT;
-        
-    // Is this an old style single-touch driver?
-    } else if (test_bit(BTN_TOUCH, key_bitmask)
-            && test_bit(ABS_X, abs_bitmask) && test_bit(ABS_Y, abs_bitmask)) {
-        device->classes |= CLASS_TOUCHSCREEN;
+    if (ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(abs_bitmask)), abs_bitmask) >= 0) {
+        // Is this a new modern multi-touch driver?
+        if (test_bit(ABS_MT_TOUCH_MAJOR, abs_bitmask)
+                && test_bit(ABS_MT_POSITION_X, abs_bitmask)
+                && test_bit(ABS_MT_POSITION_Y, abs_bitmask)) {
+            device->classes |= INPUT_DEVICE_CLASS_TOUCHSCREEN | INPUT_DEVICE_CLASS_TOUCHSCREEN_MT;
+
+        // Is this an old style single-touch driver?
+        } else if (test_bit(BTN_TOUCH, key_bitmask)
+                && test_bit(ABS_X, abs_bitmask) && test_bit(ABS_Y, abs_bitmask)) {
+            device->classes |= INPUT_DEVICE_CLASS_TOUCHSCREEN;
+        }
     }
 
 #ifdef EV_SW
     // figure out the switches this device reports
-    uint8_t sw_bitmask[(SW_MAX+7)/8];
+    uint8_t sw_bitmask[sizeof_bit_array(SW_MAX + 1)];
     memset(sw_bitmask, 0, sizeof(sw_bitmask));
     if (ioctl(fd, EVIOCGBIT(EV_SW, sizeof(sw_bitmask)), sw_bitmask) >= 0) {
         for (int i=0; i<EV_SW; i++) {
@@ -680,7 +727,7 @@
     }
 #endif
 
-    if ((device->classes&CLASS_KEYBOARD) != 0) {
+    if ((device->classes & INPUT_DEVICE_CLASS_KEYBOARD) != 0) {
         char tmpfn[sizeof(name)];
         char keylayoutFilename[300];
 
@@ -702,7 +749,10 @@
                      "%s/usr/keylayout/%s", root, "qwerty.kl");
             defaultKeymap = true;
         }
-        device->layoutMap->load(keylayoutFilename);
+        status_t status = device->layoutMap->load(keylayoutFilename);
+        if (status) {
+            LOGE("Error %d loading key layout.", status);
+        }
 
         // tell the world about the devname (the descriptive name)
         if (!mHaveFirstKeyboard && !defaultKeymap && strstr(name, "-keypad")) {
@@ -722,19 +772,27 @@
         property_set(propName, name);
 
         // 'Q' key support = cheap test of whether this is an alpha-capable kbd
-        if (hasKeycode(device, kKeyCodeQ)) {
-            device->classes |= CLASS_ALPHAKEY;
+        if (hasKeycode(device, AKEYCODE_Q)) {
+            device->classes |= INPUT_DEVICE_CLASS_ALPHAKEY;
         }
         
-        // See if this has a DPAD.
-        if (hasKeycode(device, kKeyCodeDpadUp) &&
-                hasKeycode(device, kKeyCodeDpadDown) &&
-                hasKeycode(device, kKeyCodeDpadLeft) &&
-                hasKeycode(device, kKeyCodeDpadRight) &&
-                hasKeycode(device, kKeyCodeDpadCenter)) {
-            device->classes |= CLASS_DPAD;
+        // See if this device has a DPAD.
+        if (hasKeycode(device, AKEYCODE_DPAD_UP) &&
+                hasKeycode(device, AKEYCODE_DPAD_DOWN) &&
+                hasKeycode(device, AKEYCODE_DPAD_LEFT) &&
+                hasKeycode(device, AKEYCODE_DPAD_RIGHT) &&
+                hasKeycode(device, AKEYCODE_DPAD_CENTER)) {
+            device->classes |= INPUT_DEVICE_CLASS_DPAD;
         }
         
+        // See if this device has a gamepad.
+        for (size_t i = 0; i < sizeof(GAMEPAD_KEYCODES); i++) {
+            if (hasKeycode(device, GAMEPAD_KEYCODES[i])) {
+                device->classes |= INPUT_DEVICE_CLASS_GAMEPAD;
+                break;
+            }
+        }
+
         LOGI("New keyboard: device->id=0x%x devname='%s' propName='%s' keylayout='%s'\n",
                 device->id, name, propName, keylayoutFilename);
     }
diff --git a/libs/ui/FramebufferNativeWindow.cpp b/libs/ui/FramebufferNativeWindow.cpp
index 52380a0..6f8948d 100644
--- a/libs/ui/FramebufferNativeWindow.cpp
+++ b/libs/ui/FramebufferNativeWindow.cpp
@@ -67,7 +67,7 @@
  * This implements the (main) framebuffer management. This class is used
  * mostly by SurfaceFlinger, but also by command line GL application.
  * 
- * In fact this is an implementation of android_native_window_t on top of
+ * In fact this is an implementation of ANativeWindow on top of
  * the framebuffer.
  * 
  * Currently it is pretty simple, it manages only two buffers (the front and 
@@ -117,23 +117,23 @@
         LOGE_IF(err, "fb buffer 1 allocation failed w=%d, h=%d, err=%s",
                 fbDev->width, fbDev->height, strerror(-err));
 
-        const_cast<uint32_t&>(android_native_window_t::flags) = fbDev->flags; 
-        const_cast<float&>(android_native_window_t::xdpi) = fbDev->xdpi;
-        const_cast<float&>(android_native_window_t::ydpi) = fbDev->ydpi;
-        const_cast<int&>(android_native_window_t::minSwapInterval) = 
+        const_cast<uint32_t&>(ANativeWindow::flags) = fbDev->flags; 
+        const_cast<float&>(ANativeWindow::xdpi) = fbDev->xdpi;
+        const_cast<float&>(ANativeWindow::ydpi) = fbDev->ydpi;
+        const_cast<int&>(ANativeWindow::minSwapInterval) = 
             fbDev->minSwapInterval;
-        const_cast<int&>(android_native_window_t::maxSwapInterval) = 
+        const_cast<int&>(ANativeWindow::maxSwapInterval) = 
             fbDev->maxSwapInterval;
     } else {
         LOGE("Couldn't get gralloc module");
     }
 
-    android_native_window_t::setSwapInterval = setSwapInterval;
-    android_native_window_t::dequeueBuffer = dequeueBuffer;
-    android_native_window_t::lockBuffer = lockBuffer;
-    android_native_window_t::queueBuffer = queueBuffer;
-    android_native_window_t::query = query;
-    android_native_window_t::perform = perform;
+    ANativeWindow::setSwapInterval = setSwapInterval;
+    ANativeWindow::dequeueBuffer = dequeueBuffer;
+    ANativeWindow::lockBuffer = lockBuffer;
+    ANativeWindow::queueBuffer = queueBuffer;
+    ANativeWindow::query = query;
+    ANativeWindow::perform = perform;
 }
 
 FramebufferNativeWindow::~FramebufferNativeWindow() 
@@ -168,13 +168,13 @@
 }
 
 int FramebufferNativeWindow::setSwapInterval(
-        android_native_window_t* window, int interval) 
+        ANativeWindow* window, int interval) 
 {
     framebuffer_device_t* fb = getSelf(window)->fbDev;
     return fb->setSwapInterval(fb, interval);
 }
 
-int FramebufferNativeWindow::dequeueBuffer(android_native_window_t* window, 
+int FramebufferNativeWindow::dequeueBuffer(ANativeWindow* window, 
         android_native_buffer_t** buffer)
 {
     FramebufferNativeWindow* self = getSelf(window);
@@ -196,7 +196,7 @@
     return 0;
 }
 
-int FramebufferNativeWindow::lockBuffer(android_native_window_t* window, 
+int FramebufferNativeWindow::lockBuffer(ANativeWindow* window, 
         android_native_buffer_t* buffer)
 {
     FramebufferNativeWindow* self = getSelf(window);
@@ -210,7 +210,7 @@
     return NO_ERROR;
 }
 
-int FramebufferNativeWindow::queueBuffer(android_native_window_t* window, 
+int FramebufferNativeWindow::queueBuffer(ANativeWindow* window, 
         android_native_buffer_t* buffer)
 {
     FramebufferNativeWindow* self = getSelf(window);
@@ -224,7 +224,7 @@
     return res;
 }
 
-int FramebufferNativeWindow::query(android_native_window_t* window,
+int FramebufferNativeWindow::query(ANativeWindow* window,
         int what, int* value) 
 {
     FramebufferNativeWindow* self = getSelf(window);
@@ -245,7 +245,7 @@
     return BAD_VALUE;
 }
 
-int FramebufferNativeWindow::perform(android_native_window_t* window,
+int FramebufferNativeWindow::perform(ANativeWindow* window,
         int operation, ...)
 {
     switch (operation) {
diff --git a/libs/ui/GraphicBuffer.cpp b/libs/ui/GraphicBuffer.cpp
index ba1fd9c..519c277 100644
--- a/libs/ui/GraphicBuffer.cpp
+++ b/libs/ui/GraphicBuffer.cpp
@@ -38,7 +38,7 @@
 
 GraphicBuffer::GraphicBuffer()
     : BASE(), mOwner(ownData), mBufferMapper(GraphicBufferMapper::get()),
-      mInitCheck(NO_ERROR),  mVStride(0), mIndex(-1)
+      mInitCheck(NO_ERROR), mIndex(-1)
 {
     width  = 
     height = 
@@ -51,7 +51,7 @@
 GraphicBuffer::GraphicBuffer(uint32_t w, uint32_t h, 
         PixelFormat reqFormat, uint32_t reqUsage)
     : BASE(), mOwner(ownData), mBufferMapper(GraphicBufferMapper::get()),
-      mInitCheck(NO_ERROR),  mVStride(0), mIndex(-1)
+      mInitCheck(NO_ERROR), mIndex(-1)
 {
     width  = 
     height = 
@@ -67,7 +67,7 @@
         uint32_t inStride, native_handle_t* inHandle, bool keepOwnership)
     : BASE(), mOwner(keepOwnership ? ownHandle : ownNone),
       mBufferMapper(GraphicBufferMapper::get()),
-      mInitCheck(NO_ERROR),  mVStride(0), mIndex(-1)
+      mInitCheck(NO_ERROR), mIndex(-1)
 {
     width  = w;
     height = h;
@@ -111,6 +111,9 @@
     if (mOwner != ownData)
         return INVALID_OPERATION;
 
+    if (handle && w==width && h==height && f==format && reqUsage==usage)
+        return NO_ERROR;
+
     if (handle) {
         GraphicBufferAllocator& allocator(GraphicBufferAllocator::get());
         allocator.free(handle);
@@ -122,9 +125,6 @@
 status_t GraphicBuffer::initSize(uint32_t w, uint32_t h, PixelFormat format,
         uint32_t reqUsage)
 {
-    if (format == PIXEL_FORMAT_RGBX_8888)
-        format = PIXEL_FORMAT_RGBA_8888;
-
     GraphicBufferAllocator& allocator = GraphicBufferAllocator::get();
     status_t err = allocator.alloc(w, h, format, reqUsage, &handle, &stride);
     if (err == NO_ERROR) {
@@ -132,7 +132,6 @@
         this->height = h;
         this->format = format;
         this->usage  = reqUsage;
-        mVStride = 0;
     }
     return err;
 }
@@ -173,7 +172,6 @@
         sur->height = height;
         sur->stride = stride;
         sur->format = format;
-        sur->vstride = mVStride;
         sur->data = static_cast<GGLubyte*>(vaddr);
     }
     return res;
@@ -267,14 +265,6 @@
     return mIndex;
 }
 
-void GraphicBuffer::setVerticalStride(uint32_t vstride) {
-    mVStride = vstride;
-}
-
-uint32_t GraphicBuffer::getVerticalStride() const {
-    return mVStride;
-}
-
 // ---------------------------------------------------------------------------
 
 }; // namespace android
diff --git a/libs/ui/GraphicBufferAllocator.cpp b/libs/ui/GraphicBufferAllocator.cpp
index 6ae7e74..d51664d 100644
--- a/libs/ui/GraphicBufferAllocator.cpp
+++ b/libs/ui/GraphicBufferAllocator.cpp
@@ -15,6 +15,8 @@
 ** limitations under the License.
 */
 
+#define LOG_TAG "GraphicBufferAllocator"
+
 #include <cutils/log.h>
 
 #include <utils/Singleton.h>
@@ -61,9 +63,9 @@
     const size_t c = list.size();
     for (size_t i=0 ; i<c ; i++) {
         const alloc_rec_t& rec(list.valueAt(i));
-        snprintf(buffer, SIZE, "%10p: %7.2f KiB | %4u x %4u | %2d | 0x%08x\n",
+        snprintf(buffer, SIZE, "%10p: %7.2f KiB | %4u (%4u) x %4u | %2d | 0x%08x\n",
             list.keyAt(i), rec.size/1024.0f, 
-            rec.w, rec.h, rec.format, rec.usage);
+            rec.w, rec.s, rec.h, rec.format, rec.usage);
         result.append(buffer);
         total += rec.size;
     }
@@ -71,16 +73,13 @@
     result.append(buffer);
 }
 
-static inline uint32_t clamp(uint32_t c) {
-    return c>0 ? c : 1;
-}
-
 status_t GraphicBufferAllocator::alloc(uint32_t w, uint32_t h, PixelFormat format,
         int usage, buffer_handle_t* handle, int32_t* stride)
 {
-    // make sure to not allocate a 0 x 0 buffer
-    w = clamp(w);
-    h = clamp(h);
+    // make sure to not allocate a N x 0 or 0 x N buffer, since this is
+    // allowed from an API stand-point allocate a 1x1 buffer instead.
+    if (!w || !h)
+        w = h = 1;
 
     // we have a h/w allocator and h/w buffer is requested
     status_t err; 
@@ -100,9 +99,9 @@
         alloc_rec_t rec;
         rec.w = w;
         rec.h = h;
+        rec.s = *stride;
         rec.format = format;
         rec.usage = usage;
-        rec.vaddr = 0;
         rec.size = h * stride[0] * bytesPerPixel(format);
         list.add(*handle, rec);
     } else {
diff --git a/libs/ui/Input.cpp b/libs/ui/Input.cpp
new file mode 100644
index 0000000..5253c72
--- /dev/null
+++ b/libs/ui/Input.cpp
@@ -0,0 +1,171 @@
+//
+// Copyright 2010 The Android Open Source Project
+//
+// Provides a pipe-based transport for native events in the NDK.
+//
+#define LOG_TAG "Input"
+
+//#define LOG_NDEBUG 0
+
+#include <ui/Input.h>
+
+namespace android {
+
+// class InputEvent
+
+void InputEvent::initialize(int32_t deviceId, int32_t source) {
+    mDeviceId = deviceId;
+    mSource = source;
+}
+
+void InputEvent::initialize(const InputEvent& from) {
+    mDeviceId = from.mDeviceId;
+    mSource = from.mSource;
+}
+
+// class KeyEvent
+
+bool KeyEvent::hasDefaultAction(int32_t keyCode) {
+    switch (keyCode) {
+        case AKEYCODE_HOME:
+        case AKEYCODE_BACK:
+        case AKEYCODE_CALL:
+        case AKEYCODE_ENDCALL:
+        case AKEYCODE_VOLUME_UP:
+        case AKEYCODE_VOLUME_DOWN:
+        case AKEYCODE_POWER:
+        case AKEYCODE_CAMERA:
+        case AKEYCODE_HEADSETHOOK:
+        case AKEYCODE_MENU:
+        case AKEYCODE_NOTIFICATION:
+        case AKEYCODE_FOCUS:
+        case AKEYCODE_SEARCH:
+        case AKEYCODE_MEDIA_PLAY_PAUSE:
+        case AKEYCODE_MEDIA_STOP:
+        case AKEYCODE_MEDIA_NEXT:
+        case AKEYCODE_MEDIA_PREVIOUS:
+        case AKEYCODE_MEDIA_REWIND:
+        case AKEYCODE_MEDIA_FAST_FORWARD:
+        case AKEYCODE_MUTE:
+            return true;
+    }
+    
+    return false;
+}
+
+bool KeyEvent::hasDefaultAction() const {
+    return hasDefaultAction(getKeyCode());
+}
+
+bool KeyEvent::isSystemKey(int32_t keyCode) {
+    switch (keyCode) {
+        case AKEYCODE_MENU:
+        case AKEYCODE_SOFT_RIGHT:
+        case AKEYCODE_HOME:
+        case AKEYCODE_BACK:
+        case AKEYCODE_CALL:
+        case AKEYCODE_ENDCALL:
+        case AKEYCODE_VOLUME_UP:
+        case AKEYCODE_VOLUME_DOWN:
+        case AKEYCODE_MUTE:
+        case AKEYCODE_POWER:
+        case AKEYCODE_HEADSETHOOK:
+        case AKEYCODE_MEDIA_PLAY_PAUSE:
+        case AKEYCODE_MEDIA_STOP:
+        case AKEYCODE_MEDIA_NEXT:
+        case AKEYCODE_MEDIA_PREVIOUS:
+        case AKEYCODE_MEDIA_REWIND:
+        case AKEYCODE_MEDIA_FAST_FORWARD:
+        case AKEYCODE_CAMERA:
+        case AKEYCODE_FOCUS:
+        case AKEYCODE_SEARCH:
+            return true;
+    }
+    
+    return false;
+}
+
+bool KeyEvent::isSystemKey() const {
+    return isSystemKey(getKeyCode());
+}
+
+void KeyEvent::initialize(
+        int32_t deviceId,
+        int32_t source,
+        int32_t action,
+        int32_t flags,
+        int32_t keyCode,
+        int32_t scanCode,
+        int32_t metaState,
+        int32_t repeatCount,
+        nsecs_t downTime,
+        nsecs_t eventTime) {
+    InputEvent::initialize(deviceId, source);
+    mAction = action;
+    mFlags = flags;
+    mKeyCode = keyCode;
+    mScanCode = scanCode;
+    mMetaState = metaState;
+    mRepeatCount = repeatCount;
+    mDownTime = downTime;
+    mEventTime = eventTime;
+}
+
+void KeyEvent::initialize(const KeyEvent& from) {
+    InputEvent::initialize(from);
+    mAction = from.mAction;
+    mFlags = from.mFlags;
+    mKeyCode = from.mKeyCode;
+    mScanCode = from.mScanCode;
+    mMetaState = from.mMetaState;
+    mRepeatCount = from.mRepeatCount;
+    mDownTime = from.mDownTime;
+    mEventTime = from.mEventTime;
+}
+
+// class MotionEvent
+
+void MotionEvent::initialize(
+        int32_t deviceId,
+        int32_t source,
+        int32_t action,
+        int32_t edgeFlags,
+        int32_t metaState,
+        float xOffset,
+        float yOffset,
+        float xPrecision,
+        float yPrecision,
+        nsecs_t downTime,
+        nsecs_t eventTime,
+        size_t pointerCount,
+        const int32_t* pointerIds,
+        const PointerCoords* pointerCoords) {
+    InputEvent::initialize(deviceId, source);
+    mAction = action;
+    mEdgeFlags = edgeFlags;
+    mMetaState = metaState;
+    mXOffset = xOffset;
+    mYOffset = yOffset;
+    mXPrecision = xPrecision;
+    mYPrecision = yPrecision;
+    mDownTime = downTime;
+    mPointerIds.clear();
+    mPointerIds.appendArray(pointerIds, pointerCount);
+    mSampleEventTimes.clear();
+    mSamplePointerCoords.clear();
+    addSample(eventTime, pointerCoords);
+}
+
+void MotionEvent::addSample(
+        int64_t eventTime,
+        const PointerCoords* pointerCoords) {
+    mSampleEventTimes.push(eventTime);
+    mSamplePointerCoords.appendArray(pointerCoords, getPointerCount());
+}
+
+void MotionEvent::offsetLocation(float xOffset, float yOffset) {
+    mXOffset += xOffset;
+    mYOffset += yOffset;
+}
+
+} // namespace android
diff --git a/libs/ui/InputDevice.cpp b/libs/ui/InputDevice.cpp
new file mode 100644
index 0000000..b2a4d6c
--- /dev/null
+++ b/libs/ui/InputDevice.cpp
@@ -0,0 +1,729 @@
+//
+// Copyright 2010 The Android Open Source Project
+//
+// The input reader.
+//
+#define LOG_TAG "InputDevice"
+
+//#define LOG_NDEBUG 0
+
+// Log debug messages for each raw event received from the EventHub.
+#define DEBUG_RAW_EVENTS 0
+
+// Log debug messages about touch screen filtering hacks.
+#define DEBUG_HACKS 0
+
+// Log debug messages about virtual key processing.
+#define DEBUG_VIRTUAL_KEYS 0
+
+// Log debug messages about pointers.
+#define DEBUG_POINTERS 0
+
+// Log debug messages about pointer assignment calculations.
+#define DEBUG_POINTER_ASSIGNMENT 0
+
+#include <cutils/log.h>
+#include <ui/InputDevice.h>
+
+#include <stddef.h>
+#include <unistd.h>
+#include <errno.h>
+#include <limits.h>
+
+/* Slop distance for jumpy pointer detection.
+ * The vertical range of the screen divided by this is our epsilon value. */
+#define JUMPY_EPSILON_DIVISOR 212
+
+/* Number of jumpy points to drop for touchscreens that need it. */
+#define JUMPY_TRANSITION_DROPS 3
+#define JUMPY_DROP_LIMIT 3
+
+/* Maximum squared distance for averaging.
+ * If moving farther than this, turn of averaging to avoid lag in response. */
+#define AVERAGING_DISTANCE_LIMIT (75 * 75)
+
+
+namespace android {
+
+// --- Static Functions ---
+
+template<typename T>
+inline static T abs(const T& value) {
+    return value < 0 ? - value : value;
+}
+
+template<typename T>
+inline static T min(const T& a, const T& b) {
+    return a < b ? a : b;
+}
+
+template<typename T>
+inline static void swap(T& a, T& b) {
+    T temp = a;
+    a = b;
+    b = temp;
+}
+
+
+// --- InputDevice ---
+
+InputDevice::InputDevice(int32_t id, uint32_t classes, String8 name) :
+    id(id), classes(classes), name(name), ignored(false) {
+}
+
+void InputDevice::reset() {
+    if (isKeyboard()) {
+        keyboard.reset();
+    }
+
+    if (isTrackball()) {
+        trackball.reset();
+    }
+
+    if (isMultiTouchScreen()) {
+        multiTouchScreen.reset();
+    } else if (isSingleTouchScreen()) {
+        singleTouchScreen.reset();
+    }
+
+    if (isTouchScreen()) {
+        touchScreen.reset();
+    }
+}
+
+
+// --- InputDevice::TouchData ---
+
+void InputDevice::TouchData::copyFrom(const TouchData& other) {
+    pointerCount = other.pointerCount;
+    idBits = other.idBits;
+
+    for (uint32_t i = 0; i < pointerCount; i++) {
+        pointers[i] = other.pointers[i];
+        idToIndex[i] = other.idToIndex[i];
+    }
+}
+
+
+// --- InputDevice::KeyboardState ---
+
+void InputDevice::KeyboardState::reset() {
+    current.metaState = AMETA_NONE;
+    current.downTime = 0;
+}
+
+
+// --- InputDevice::TrackballState ---
+
+void InputDevice::TrackballState::reset() {
+    accumulator.clear();
+    current.down = false;
+    current.downTime = 0;
+}
+
+
+// --- InputDevice::TouchScreenState ---
+
+void InputDevice::TouchScreenState::reset() {
+    lastTouch.clear();
+    downTime = 0;
+    currentVirtualKey.status = CurrentVirtualKeyState::STATUS_UP;
+
+    for (uint32_t i = 0; i < MAX_POINTERS; i++) {
+        averagingTouchFilter.historyStart[i] = 0;
+        averagingTouchFilter.historyEnd[i] = 0;
+    }
+
+    jumpyTouchFilter.jumpyPointsDropped = 0;
+}
+
+struct PointerDistanceHeapElement {
+    uint32_t currentPointerIndex : 8;
+    uint32_t lastPointerIndex : 8;
+    uint64_t distance : 48; // squared distance
+};
+
+void InputDevice::TouchScreenState::calculatePointerIds() {
+    uint32_t currentPointerCount = currentTouch.pointerCount;
+    uint32_t lastPointerCount = lastTouch.pointerCount;
+
+    if (currentPointerCount == 0) {
+        // No pointers to assign.
+        currentTouch.idBits.clear();
+    } else if (lastPointerCount == 0) {
+        // All pointers are new.
+        currentTouch.idBits.clear();
+        for (uint32_t i = 0; i < currentPointerCount; i++) {
+            currentTouch.pointers[i].id = i;
+            currentTouch.idToIndex[i] = i;
+            currentTouch.idBits.markBit(i);
+        }
+    } else if (currentPointerCount == 1 && lastPointerCount == 1) {
+        // Only one pointer and no change in count so it must have the same id as before.
+        uint32_t id = lastTouch.pointers[0].id;
+        currentTouch.pointers[0].id = id;
+        currentTouch.idToIndex[id] = 0;
+        currentTouch.idBits.value = BitSet32::valueForBit(id);
+    } else {
+        // General case.
+        // We build a heap of squared euclidean distances between current and last pointers
+        // associated with the current and last pointer indices.  Then, we find the best
+        // match (by distance) for each current pointer.
+        PointerDistanceHeapElement heap[MAX_POINTERS * MAX_POINTERS];
+
+        uint32_t heapSize = 0;
+        for (uint32_t currentPointerIndex = 0; currentPointerIndex < currentPointerCount;
+                currentPointerIndex++) {
+            for (uint32_t lastPointerIndex = 0; lastPointerIndex < lastPointerCount;
+                    lastPointerIndex++) {
+                int64_t deltaX = currentTouch.pointers[currentPointerIndex].x
+                        - lastTouch.pointers[lastPointerIndex].x;
+                int64_t deltaY = currentTouch.pointers[currentPointerIndex].y
+                        - lastTouch.pointers[lastPointerIndex].y;
+
+                uint64_t distance = uint64_t(deltaX * deltaX + deltaY * deltaY);
+
+                // Insert new element into the heap (sift up).
+                heap[heapSize].currentPointerIndex = currentPointerIndex;
+                heap[heapSize].lastPointerIndex = lastPointerIndex;
+                heap[heapSize].distance = distance;
+                heapSize += 1;
+            }
+        }
+
+        // Heapify
+        for (uint32_t startIndex = heapSize / 2; startIndex != 0; ) {
+            startIndex -= 1;
+            for (uint32_t parentIndex = startIndex; ;) {
+                uint32_t childIndex = parentIndex * 2 + 1;
+                if (childIndex >= heapSize) {
+                    break;
+                }
+
+                if (childIndex + 1 < heapSize
+                        && heap[childIndex + 1].distance < heap[childIndex].distance) {
+                    childIndex += 1;
+                }
+
+                if (heap[parentIndex].distance <= heap[childIndex].distance) {
+                    break;
+                }
+
+                swap(heap[parentIndex], heap[childIndex]);
+                parentIndex = childIndex;
+            }
+        }
+
+#if DEBUG_POINTER_ASSIGNMENT
+        LOGD("calculatePointerIds - initial distance min-heap: size=%d", heapSize);
+        for (size_t i = 0; i < heapSize; i++) {
+            LOGD("  heap[%d]: cur=%d, last=%d, distance=%lld",
+                    i, heap[i].currentPointerIndex, heap[i].lastPointerIndex,
+                    heap[i].distance);
+        }
+#endif
+
+        // Pull matches out by increasing order of distance.
+        // To avoid reassigning pointers that have already been matched, the loop keeps track
+        // of which last and current pointers have been matched using the matchedXXXBits variables.
+        // It also tracks the used pointer id bits.
+        BitSet32 matchedLastBits(0);
+        BitSet32 matchedCurrentBits(0);
+        BitSet32 usedIdBits(0);
+        bool first = true;
+        for (uint32_t i = min(currentPointerCount, lastPointerCount); i > 0; i--) {
+            for (;;) {
+                if (first) {
+                    // The first time through the loop, we just consume the root element of
+                    // the heap (the one with smallest distance).
+                    first = false;
+                } else {
+                    // Previous iterations consumed the root element of the heap.
+                    // Pop root element off of the heap (sift down).
+                    heapSize -= 1;
+                    assert(heapSize > 0);
+
+                    // Sift down.
+                    heap[0] = heap[heapSize];
+                    for (uint32_t parentIndex = 0; ;) {
+                        uint32_t childIndex = parentIndex * 2 + 1;
+                        if (childIndex >= heapSize) {
+                            break;
+                        }
+
+                        if (childIndex + 1 < heapSize
+                                && heap[childIndex + 1].distance < heap[childIndex].distance) {
+                            childIndex += 1;
+                        }
+
+                        if (heap[parentIndex].distance <= heap[childIndex].distance) {
+                            break;
+                        }
+
+                        swap(heap[parentIndex], heap[childIndex]);
+                        parentIndex = childIndex;
+                    }
+
+#if DEBUG_POINTER_ASSIGNMENT
+                    LOGD("calculatePointerIds - reduced distance min-heap: size=%d", heapSize);
+                    for (size_t i = 0; i < heapSize; i++) {
+                        LOGD("  heap[%d]: cur=%d, last=%d, distance=%lld",
+                                i, heap[i].currentPointerIndex, heap[i].lastPointerIndex,
+                                heap[i].distance);
+                    }
+#endif
+                }
+
+                uint32_t currentPointerIndex = heap[0].currentPointerIndex;
+                if (matchedCurrentBits.hasBit(currentPointerIndex)) continue; // already matched
+
+                uint32_t lastPointerIndex = heap[0].lastPointerIndex;
+                if (matchedLastBits.hasBit(lastPointerIndex)) continue; // already matched
+
+                matchedCurrentBits.markBit(currentPointerIndex);
+                matchedLastBits.markBit(lastPointerIndex);
+
+                uint32_t id = lastTouch.pointers[lastPointerIndex].id;
+                currentTouch.pointers[currentPointerIndex].id = id;
+                currentTouch.idToIndex[id] = currentPointerIndex;
+                usedIdBits.markBit(id);
+
+#if DEBUG_POINTER_ASSIGNMENT
+                LOGD("calculatePointerIds - matched: cur=%d, last=%d, id=%d, distance=%lld",
+                        lastPointerIndex, currentPointerIndex, id, heap[0].distance);
+#endif
+                break;
+            }
+        }
+
+        // Assign fresh ids to new pointers.
+        if (currentPointerCount > lastPointerCount) {
+            for (uint32_t i = currentPointerCount - lastPointerCount; ;) {
+                uint32_t currentPointerIndex = matchedCurrentBits.firstUnmarkedBit();
+                uint32_t id = usedIdBits.firstUnmarkedBit();
+
+                currentTouch.pointers[currentPointerIndex].id = id;
+                currentTouch.idToIndex[id] = currentPointerIndex;
+                usedIdBits.markBit(id);
+
+#if DEBUG_POINTER_ASSIGNMENT
+                LOGD("calculatePointerIds - assigned: cur=%d, id=%d",
+                        currentPointerIndex, id);
+#endif
+
+                if (--i == 0) break; // done
+                matchedCurrentBits.markBit(currentPointerIndex);
+            }
+        }
+
+        // Fix id bits.
+        currentTouch.idBits = usedIdBits;
+    }
+}
+
+/* Special hack for devices that have bad screen data: if one of the
+ * points has moved more than a screen height from the last position,
+ * then drop it. */
+bool InputDevice::TouchScreenState::applyBadTouchFilter() {
+    // This hack requires valid axis parameters.
+    if (! parameters.yAxis.valid) {
+        return false;
+    }
+
+    uint32_t pointerCount = currentTouch.pointerCount;
+
+    // Nothing to do if there are no points.
+    if (pointerCount == 0) {
+        return false;
+    }
+
+    // Don't do anything if a finger is going down or up.  We run
+    // here before assigning pointer IDs, so there isn't a good
+    // way to do per-finger matching.
+    if (pointerCount != lastTouch.pointerCount) {
+        return false;
+    }
+
+    // We consider a single movement across more than a 7/16 of
+    // the long size of the screen to be bad.  This was a magic value
+    // determined by looking at the maximum distance it is feasible
+    // to actually move in one sample.
+    int32_t maxDeltaY = parameters.yAxis.range * 7 / 16;
+
+    // XXX The original code in InputDevice.java included commented out
+    //     code for testing the X axis.  Note that when we drop a point
+    //     we don't actually restore the old X either.  Strange.
+    //     The old code also tries to track when bad points were previously
+    //     detected but it turns out that due to the placement of a "break"
+    //     at the end of the loop, we never set mDroppedBadPoint to true
+    //     so it is effectively dead code.
+    // Need to figure out if the old code is busted or just overcomplicated
+    // but working as intended.
+
+    // Look through all new points and see if any are farther than
+    // acceptable from all previous points.
+    for (uint32_t i = pointerCount; i-- > 0; ) {
+        int32_t y = currentTouch.pointers[i].y;
+        int32_t closestY = INT_MAX;
+        int32_t closestDeltaY = 0;
+
+#if DEBUG_HACKS
+        LOGD("BadTouchFilter: Looking at next point #%d: y=%d", i, y);
+#endif
+
+        for (uint32_t j = pointerCount; j-- > 0; ) {
+            int32_t lastY = lastTouch.pointers[j].y;
+            int32_t deltaY = abs(y - lastY);
+
+#if DEBUG_HACKS
+            LOGD("BadTouchFilter: Comparing with last point #%d: y=%d deltaY=%d",
+                    j, lastY, deltaY);
+#endif
+
+            if (deltaY < maxDeltaY) {
+                goto SkipSufficientlyClosePoint;
+            }
+            if (deltaY < closestDeltaY) {
+                closestDeltaY = deltaY;
+                closestY = lastY;
+            }
+        }
+
+        // Must not have found a close enough match.
+#if DEBUG_HACKS
+        LOGD("BadTouchFilter: Dropping bad point #%d: newY=%d oldY=%d deltaY=%d maxDeltaY=%d",
+                i, y, closestY, closestDeltaY, maxDeltaY);
+#endif
+
+        currentTouch.pointers[i].y = closestY;
+        return true; // XXX original code only corrects one point
+
+    SkipSufficientlyClosePoint: ;
+    }
+
+    // No change.
+    return false;
+}
+
+/* Special hack for devices that have bad screen data: drop points where
+ * the coordinate value for one axis has jumped to the other pointer's location.
+ */
+bool InputDevice::TouchScreenState::applyJumpyTouchFilter() {
+    // This hack requires valid axis parameters.
+    if (! parameters.yAxis.valid) {
+        return false;
+    }
+
+    uint32_t pointerCount = currentTouch.pointerCount;
+    if (lastTouch.pointerCount != pointerCount) {
+#if DEBUG_HACKS
+        LOGD("JumpyTouchFilter: Different pointer count %d -> %d",
+                lastTouch.pointerCount, pointerCount);
+        for (uint32_t i = 0; i < pointerCount; i++) {
+            LOGD("  Pointer %d (%d, %d)", i,
+                    currentTouch.pointers[i].x, currentTouch.pointers[i].y);
+        }
+#endif
+
+        if (jumpyTouchFilter.jumpyPointsDropped < JUMPY_TRANSITION_DROPS) {
+            if (lastTouch.pointerCount == 1 && pointerCount == 2) {
+                // Just drop the first few events going from 1 to 2 pointers.
+                // They're bad often enough that they're not worth considering.
+                currentTouch.pointerCount = 1;
+                jumpyTouchFilter.jumpyPointsDropped += 1;
+
+#if DEBUG_HACKS
+                LOGD("JumpyTouchFilter: Pointer 2 dropped");
+#endif
+                return true;
+            } else if (lastTouch.pointerCount == 2 && pointerCount == 1) {
+                // The event when we go from 2 -> 1 tends to be messed up too
+                currentTouch.pointerCount = 2;
+                currentTouch.pointers[0] = lastTouch.pointers[0];
+                currentTouch.pointers[1] = lastTouch.pointers[1];
+                jumpyTouchFilter.jumpyPointsDropped += 1;
+
+#if DEBUG_HACKS
+                for (int32_t i = 0; i < 2; i++) {
+                    LOGD("JumpyTouchFilter: Pointer %d replaced (%d, %d)", i,
+                            currentTouch.pointers[i].x, currentTouch.pointers[i].y);
+                }
+#endif
+                return true;
+            }
+        }
+        // Reset jumpy points dropped on other transitions or if limit exceeded.
+        jumpyTouchFilter.jumpyPointsDropped = 0;
+
+#if DEBUG_HACKS
+        LOGD("JumpyTouchFilter: Transition - drop limit reset");
+#endif
+        return false;
+    }
+
+    // We have the same number of pointers as last time.
+    // A 'jumpy' point is one where the coordinate value for one axis
+    // has jumped to the other pointer's location. No need to do anything
+    // else if we only have one pointer.
+    if (pointerCount < 2) {
+        return false;
+    }
+
+    if (jumpyTouchFilter.jumpyPointsDropped < JUMPY_DROP_LIMIT) {
+        int jumpyEpsilon = parameters.yAxis.range / JUMPY_EPSILON_DIVISOR;
+
+        // We only replace the single worst jumpy point as characterized by pointer distance
+        // in a single axis.
+        int32_t badPointerIndex = -1;
+        int32_t badPointerReplacementIndex = -1;
+        int32_t badPointerDistance = INT_MIN; // distance to be corrected
+
+        for (uint32_t i = pointerCount; i-- > 0; ) {
+            int32_t x = currentTouch.pointers[i].x;
+            int32_t y = currentTouch.pointers[i].y;
+
+#if DEBUG_HACKS
+            LOGD("JumpyTouchFilter: Point %d (%d, %d)", i, x, y);
+#endif
+
+            // Check if a touch point is too close to another's coordinates
+            bool dropX = false, dropY = false;
+            for (uint32_t j = 0; j < pointerCount; j++) {
+                if (i == j) {
+                    continue;
+                }
+
+                if (abs(x - currentTouch.pointers[j].x) <= jumpyEpsilon) {
+                    dropX = true;
+                    break;
+                }
+
+                if (abs(y - currentTouch.pointers[j].y) <= jumpyEpsilon) {
+                    dropY = true;
+                    break;
+                }
+            }
+            if (! dropX && ! dropY) {
+                continue; // not jumpy
+            }
+
+            // Find a replacement candidate by comparing with older points on the
+            // complementary (non-jumpy) axis.
+            int32_t distance = INT_MIN; // distance to be corrected
+            int32_t replacementIndex = -1;
+
+            if (dropX) {
+                // X looks too close.  Find an older replacement point with a close Y.
+                int32_t smallestDeltaY = INT_MAX;
+                for (uint32_t j = 0; j < pointerCount; j++) {
+                    int32_t deltaY = abs(y - lastTouch.pointers[j].y);
+                    if (deltaY < smallestDeltaY) {
+                        smallestDeltaY = deltaY;
+                        replacementIndex = j;
+                    }
+                }
+                distance = abs(x - lastTouch.pointers[replacementIndex].x);
+            } else {
+                // Y looks too close.  Find an older replacement point with a close X.
+                int32_t smallestDeltaX = INT_MAX;
+                for (uint32_t j = 0; j < pointerCount; j++) {
+                    int32_t deltaX = abs(x - lastTouch.pointers[j].x);
+                    if (deltaX < smallestDeltaX) {
+                        smallestDeltaX = deltaX;
+                        replacementIndex = j;
+                    }
+                }
+                distance = abs(y - lastTouch.pointers[replacementIndex].y);
+            }
+
+            // If replacing this pointer would correct a worse error than the previous ones
+            // considered, then use this replacement instead.
+            if (distance > badPointerDistance) {
+                badPointerIndex = i;
+                badPointerReplacementIndex = replacementIndex;
+                badPointerDistance = distance;
+            }
+        }
+
+        // Correct the jumpy pointer if one was found.
+        if (badPointerIndex >= 0) {
+#if DEBUG_HACKS
+            LOGD("JumpyTouchFilter: Replacing bad pointer %d with (%d, %d)",
+                    badPointerIndex,
+                    lastTouch.pointers[badPointerReplacementIndex].x,
+                    lastTouch.pointers[badPointerReplacementIndex].y);
+#endif
+
+            currentTouch.pointers[badPointerIndex].x =
+                    lastTouch.pointers[badPointerReplacementIndex].x;
+            currentTouch.pointers[badPointerIndex].y =
+                    lastTouch.pointers[badPointerReplacementIndex].y;
+            jumpyTouchFilter.jumpyPointsDropped += 1;
+            return true;
+        }
+    }
+
+    jumpyTouchFilter.jumpyPointsDropped = 0;
+    return false;
+}
+
+/* Special hack for devices that have bad screen data: aggregate and
+ * compute averages of the coordinate data, to reduce the amount of
+ * jitter seen by applications. */
+void InputDevice::TouchScreenState::applyAveragingTouchFilter() {
+    for (uint32_t currentIndex = 0; currentIndex < currentTouch.pointerCount; currentIndex++) {
+        uint32_t id = currentTouch.pointers[currentIndex].id;
+        int32_t x = currentTouch.pointers[currentIndex].x;
+        int32_t y = currentTouch.pointers[currentIndex].y;
+        int32_t pressure = currentTouch.pointers[currentIndex].pressure;
+
+        if (lastTouch.idBits.hasBit(id)) {
+            // Pointer was down before and is still down now.
+            // Compute average over history trace.
+            uint32_t start = averagingTouchFilter.historyStart[id];
+            uint32_t end = averagingTouchFilter.historyEnd[id];
+
+            int64_t deltaX = x - averagingTouchFilter.historyData[end].pointers[id].x;
+            int64_t deltaY = y - averagingTouchFilter.historyData[end].pointers[id].y;
+            uint64_t distance = uint64_t(deltaX * deltaX + deltaY * deltaY);
+
+#if DEBUG_HACKS
+            LOGD("AveragingTouchFilter: Pointer id %d - Distance from last sample: %lld",
+                    id, distance);
+#endif
+
+            if (distance < AVERAGING_DISTANCE_LIMIT) {
+                // Increment end index in preparation for recording new historical data.
+                end += 1;
+                if (end > AVERAGING_HISTORY_SIZE) {
+                    end = 0;
+                }
+
+                // If the end index has looped back to the start index then we have filled
+                // the historical trace up to the desired size so we drop the historical
+                // data at the start of the trace.
+                if (end == start) {
+                    start += 1;
+                    if (start > AVERAGING_HISTORY_SIZE) {
+                        start = 0;
+                    }
+                }
+
+                // Add the raw data to the historical trace.
+                averagingTouchFilter.historyStart[id] = start;
+                averagingTouchFilter.historyEnd[id] = end;
+                averagingTouchFilter.historyData[end].pointers[id].x = x;
+                averagingTouchFilter.historyData[end].pointers[id].y = y;
+                averagingTouchFilter.historyData[end].pointers[id].pressure = pressure;
+
+                // Average over all historical positions in the trace by total pressure.
+                int32_t averagedX = 0;
+                int32_t averagedY = 0;
+                int32_t totalPressure = 0;
+                for (;;) {
+                    int32_t historicalX = averagingTouchFilter.historyData[start].pointers[id].x;
+                    int32_t historicalY = averagingTouchFilter.historyData[start].pointers[id].y;
+                    int32_t historicalPressure = averagingTouchFilter.historyData[start]
+                            .pointers[id].pressure;
+
+                    averagedX += historicalX * historicalPressure;
+                    averagedY += historicalY * historicalPressure;
+                    totalPressure += historicalPressure;
+
+                    if (start == end) {
+                        break;
+                    }
+
+                    start += 1;
+                    if (start > AVERAGING_HISTORY_SIZE) {
+                        start = 0;
+                    }
+                }
+
+                averagedX /= totalPressure;
+                averagedY /= totalPressure;
+
+#if DEBUG_HACKS
+                LOGD("AveragingTouchFilter: Pointer id %d - "
+                        "totalPressure=%d, averagedX=%d, averagedY=%d", id, totalPressure,
+                        averagedX, averagedY);
+#endif
+
+                currentTouch.pointers[currentIndex].x = averagedX;
+                currentTouch.pointers[currentIndex].y = averagedY;
+            } else {
+#if DEBUG_HACKS
+                LOGD("AveragingTouchFilter: Pointer id %d - Exceeded max distance", id);
+#endif
+            }
+        } else {
+#if DEBUG_HACKS
+            LOGD("AveragingTouchFilter: Pointer id %d - Pointer went up", id);
+#endif
+        }
+
+        // Reset pointer history.
+        averagingTouchFilter.historyStart[id] = 0;
+        averagingTouchFilter.historyEnd[id] = 0;
+        averagingTouchFilter.historyData[0].pointers[id].x = x;
+        averagingTouchFilter.historyData[0].pointers[id].y = y;
+        averagingTouchFilter.historyData[0].pointers[id].pressure = pressure;
+    }
+}
+
+bool InputDevice::TouchScreenState::isPointInsideDisplay(int32_t x, int32_t y) const {
+    if (! parameters.xAxis.valid || ! parameters.yAxis.valid) {
+        // Assume all points on a touch screen without valid axis parameters are
+        // inside the display.
+        return true;
+    }
+
+    return x >= parameters.xAxis.minValue
+        && x <= parameters.xAxis.maxValue
+        && y >= parameters.yAxis.minValue
+        && y <= parameters.yAxis.maxValue;
+}
+
+const InputDevice::VirtualKey* InputDevice::TouchScreenState::findVirtualKeyHit() const {
+    int32_t x = currentTouch.pointers[0].x;
+    int32_t y = currentTouch.pointers[0].y;
+    for (size_t i = 0; i < virtualKeys.size(); i++) {
+        const InputDevice::VirtualKey& virtualKey = virtualKeys[i];
+
+#if DEBUG_VIRTUAL_KEYS
+        LOGD("VirtualKeys: Hit test (%d, %d): keyCode=%d, scanCode=%d, "
+                "left=%d, top=%d, right=%d, bottom=%d",
+                x, y,
+                virtualKey.keyCode, virtualKey.scanCode,
+                virtualKey.hitLeft, virtualKey.hitTop,
+                virtualKey.hitRight, virtualKey.hitBottom);
+#endif
+
+        if (virtualKey.isHit(x, y)) {
+            return & virtualKey;
+        }
+    }
+
+    return NULL;
+}
+
+
+// --- InputDevice::SingleTouchScreenState ---
+
+void InputDevice::SingleTouchScreenState::reset() {
+    accumulator.clear();
+    current.down = false;
+    current.x = 0;
+    current.y = 0;
+    current.pressure = 0;
+    current.size = 0;
+}
+
+
+// --- InputDevice::MultiTouchScreenState ---
+
+void InputDevice::MultiTouchScreenState::reset() {
+    accumulator.clear();
+}
+
+} // namespace android
diff --git a/libs/ui/InputDispatcher.cpp b/libs/ui/InputDispatcher.cpp
new file mode 100644
index 0000000..a55864b
--- /dev/null
+++ b/libs/ui/InputDispatcher.cpp
@@ -0,0 +1,1721 @@
+//
+// Copyright 2010 The Android Open Source Project
+//
+// The input dispatcher.
+//
+#define LOG_TAG "InputDispatcher"
+
+//#define LOG_NDEBUG 0
+
+// Log detailed debug messages about each inbound event notification to the dispatcher.
+#define DEBUG_INBOUND_EVENT_DETAILS 0
+
+// Log detailed debug messages about each outbound event processed by the dispatcher.
+#define DEBUG_OUTBOUND_EVENT_DETAILS 0
+
+// Log debug messages about batching.
+#define DEBUG_BATCHING 0
+
+// Log debug messages about the dispatch cycle.
+#define DEBUG_DISPATCH_CYCLE 0
+
+// Log debug messages about registrations.
+#define DEBUG_REGISTRATION 0
+
+// Log debug messages about performance statistics.
+#define DEBUG_PERFORMANCE_STATISTICS 0
+
+// Log debug messages about input event injection.
+#define DEBUG_INJECTION 0
+
+#include <cutils/log.h>
+#include <ui/InputDispatcher.h>
+
+#include <stddef.h>
+#include <unistd.h>
+#include <errno.h>
+#include <limits.h>
+
+namespace android {
+
+// TODO, this needs to be somewhere else, perhaps in the policy
+static inline bool isMovementKey(int32_t keyCode) {
+    return keyCode == AKEYCODE_DPAD_UP
+            || keyCode == AKEYCODE_DPAD_DOWN
+            || keyCode == AKEYCODE_DPAD_LEFT
+            || keyCode == AKEYCODE_DPAD_RIGHT;
+}
+
+static inline nsecs_t now() {
+    return systemTime(SYSTEM_TIME_MONOTONIC);
+}
+
+// --- InputDispatcher ---
+
+InputDispatcher::InputDispatcher(const sp<InputDispatcherPolicyInterface>& policy) :
+    mPolicy(policy) {
+    mPollLoop = new PollLoop(false);
+
+    mInboundQueue.head.refCount = -1;
+    mInboundQueue.head.type = EventEntry::TYPE_SENTINEL;
+    mInboundQueue.head.eventTime = LONG_LONG_MIN;
+
+    mInboundQueue.tail.refCount = -1;
+    mInboundQueue.tail.type = EventEntry::TYPE_SENTINEL;
+    mInboundQueue.tail.eventTime = LONG_LONG_MAX;
+
+    mKeyRepeatState.lastKeyEntry = NULL;
+
+    mCurrentInputTargetsValid = false;
+}
+
+InputDispatcher::~InputDispatcher() {
+    resetKeyRepeatLocked();
+
+    while (mConnectionsByReceiveFd.size() != 0) {
+        unregisterInputChannel(mConnectionsByReceiveFd.valueAt(0)->inputChannel);
+    }
+
+    for (EventEntry* entry = mInboundQueue.head.next; entry != & mInboundQueue.tail; ) {
+        EventEntry* next = entry->next;
+        mAllocator.releaseEventEntry(next);
+        entry = next;
+    }
+}
+
+void InputDispatcher::dispatchOnce() {
+    nsecs_t keyRepeatTimeout = mPolicy->getKeyRepeatTimeout();
+
+    bool skipPoll = false;
+    nsecs_t currentTime;
+    nsecs_t nextWakeupTime = LONG_LONG_MAX;
+    { // acquire lock
+        AutoMutex _l(mLock);
+        currentTime = now();
+
+        // Reset the key repeat timer whenever we disallow key events, even if the next event
+        // is not a key.  This is to ensure that we abort a key repeat if the device is just coming
+        // out of sleep.
+        // XXX we should handle resetting input state coming out of sleep more generally elsewhere
+        if (keyRepeatTimeout < 0) {
+            resetKeyRepeatLocked();
+        }
+
+        // Detect and process timeouts for all connections and determine if there are any
+        // synchronous event dispatches pending.  This step is entirely non-interruptible.
+        bool hasPendingSyncTarget = false;
+        size_t activeConnectionCount = mActiveConnections.size();
+        for (size_t i = 0; i < activeConnectionCount; i++) {
+            Connection* connection = mActiveConnections.itemAt(i);
+
+            if (connection->hasPendingSyncTarget()) {
+                hasPendingSyncTarget = true;
+            }
+
+            nsecs_t connectionTimeoutTime  = connection->nextTimeoutTime;
+            if (connectionTimeoutTime <= currentTime) {
+                mTimedOutConnections.add(connection);
+            } else if (connectionTimeoutTime < nextWakeupTime) {
+                nextWakeupTime = connectionTimeoutTime;
+            }
+        }
+
+        size_t timedOutConnectionCount = mTimedOutConnections.size();
+        for (size_t i = 0; i < timedOutConnectionCount; i++) {
+            Connection* connection = mTimedOutConnections.itemAt(i);
+            timeoutDispatchCycleLocked(currentTime, connection);
+            skipPoll = true;
+        }
+        mTimedOutConnections.clear();
+
+        // If we don't have a pending sync target, then we can begin delivering a new event.
+        // (Otherwise we wait for dispatch to complete for that target.)
+        if (! hasPendingSyncTarget) {
+            if (mInboundQueue.isEmpty()) {
+                if (mKeyRepeatState.lastKeyEntry) {
+                    if (currentTime >= mKeyRepeatState.nextRepeatTime) {
+                        processKeyRepeatLockedInterruptible(currentTime, keyRepeatTimeout);
+                        skipPoll = true;
+                    } else {
+                        if (mKeyRepeatState.nextRepeatTime < nextWakeupTime) {
+                            nextWakeupTime = mKeyRepeatState.nextRepeatTime;
+                        }
+                    }
+                }
+            } else {
+                // Inbound queue has at least one entry.
+                // Start processing it but leave it on the queue until later so that the
+                // input reader can keep appending samples onto a motion event between the
+                // time we started processing it and the time we finally enqueue dispatch
+                // entries for it.
+                EventEntry* entry = mInboundQueue.head.next;
+
+                switch (entry->type) {
+                case EventEntry::TYPE_CONFIGURATION_CHANGED: {
+                    ConfigurationChangedEntry* typedEntry =
+                            static_cast<ConfigurationChangedEntry*>(entry);
+                    processConfigurationChangedLockedInterruptible(currentTime, typedEntry);
+                    break;
+                }
+
+                case EventEntry::TYPE_KEY: {
+                    KeyEntry* typedEntry = static_cast<KeyEntry*>(entry);
+                    processKeyLockedInterruptible(currentTime, typedEntry, keyRepeatTimeout);
+                    break;
+                }
+
+                case EventEntry::TYPE_MOTION: {
+                    MotionEntry* typedEntry = static_cast<MotionEntry*>(entry);
+                    processMotionLockedInterruptible(currentTime, typedEntry);
+                    break;
+                }
+
+                default:
+                    assert(false);
+                    break;
+                }
+
+                // Dequeue and release the event entry that we just processed.
+                mInboundQueue.dequeue(entry);
+                mAllocator.releaseEventEntry(entry);
+                skipPoll = true;
+            }
+        }
+
+        // Run any deferred commands.
+        skipPoll |= runCommandsLockedInterruptible();
+
+        // Wake up synchronization waiters, if needed.
+        if (isFullySynchronizedLocked()) {
+            mFullySynchronizedCondition.broadcast();
+        }
+    } // release lock
+
+    // If we dispatched anything, don't poll just now.  Wait for the next iteration.
+    // Contents may have shifted during flight.
+    if (skipPoll) {
+        return;
+    }
+
+    // Wait for callback or timeout or wake.
+    nsecs_t timeout = nanoseconds_to_milliseconds(nextWakeupTime - currentTime);
+    int32_t timeoutMillis = timeout > INT_MAX ? -1 : timeout > 0 ? int32_t(timeout) : 0;
+    mPollLoop->pollOnce(timeoutMillis);
+}
+
+bool InputDispatcher::runCommandsLockedInterruptible() {
+    if (mCommandQueue.isEmpty()) {
+        return false;
+    }
+
+    do {
+        CommandEntry* commandEntry = mCommandQueue.dequeueAtHead();
+
+        Command command = commandEntry->command;
+        (this->*command)(commandEntry); // commands are implicitly 'LockedInterruptible'
+
+        commandEntry->connection.clear();
+        mAllocator.releaseCommandEntry(commandEntry);
+    } while (! mCommandQueue.isEmpty());
+    return true;
+}
+
+InputDispatcher::CommandEntry* InputDispatcher::postCommandLocked(Command command) {
+    CommandEntry* commandEntry = mAllocator.obtainCommandEntry(command);
+    mCommandQueue.enqueueAtTail(commandEntry);
+    return commandEntry;
+}
+
+void InputDispatcher::processConfigurationChangedLockedInterruptible(
+        nsecs_t currentTime, ConfigurationChangedEntry* entry) {
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+    LOGD("processConfigurationChanged - eventTime=%lld", entry->eventTime);
+#endif
+
+    // Reset key repeating in case a keyboard device was added or removed or something.
+    resetKeyRepeatLocked();
+
+    mLock.unlock();
+
+    mPolicy->notifyConfigurationChanged(entry->eventTime);
+
+    mLock.lock();
+}
+
+void InputDispatcher::processKeyLockedInterruptible(
+        nsecs_t currentTime, KeyEntry* entry, nsecs_t keyRepeatTimeout) {
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+    LOGD("processKey - eventTime=%lld, deviceId=0x%x, source=0x%x, policyFlags=0x%x, action=0x%x, "
+            "flags=0x%x, keyCode=0x%x, scanCode=0x%x, metaState=0x%x, downTime=%lld",
+            entry->eventTime, entry->deviceId, entry->source, entry->policyFlags, entry->action,
+            entry->flags, entry->keyCode, entry->scanCode, entry->metaState,
+            entry->downTime);
+#endif
+
+    if (entry->action == AKEY_EVENT_ACTION_DOWN && ! entry->isInjected()) {
+        if (mKeyRepeatState.lastKeyEntry
+                && mKeyRepeatState.lastKeyEntry->keyCode == entry->keyCode) {
+            // We have seen two identical key downs in a row which indicates that the device
+            // driver is automatically generating key repeats itself.  We take note of the
+            // repeat here, but we disable our own next key repeat timer since it is clear that
+            // we will not need to synthesize key repeats ourselves.
+            entry->repeatCount = mKeyRepeatState.lastKeyEntry->repeatCount + 1;
+            resetKeyRepeatLocked();
+            mKeyRepeatState.nextRepeatTime = LONG_LONG_MAX; // don't generate repeats ourselves
+        } else {
+            // Not a repeat.  Save key down state in case we do see a repeat later.
+            resetKeyRepeatLocked();
+            mKeyRepeatState.nextRepeatTime = entry->eventTime + keyRepeatTimeout;
+        }
+        mKeyRepeatState.lastKeyEntry = entry;
+        entry->refCount += 1;
+    } else {
+        resetKeyRepeatLocked();
+    }
+
+    identifyInputTargetsAndDispatchKeyLockedInterruptible(currentTime, entry);
+}
+
+void InputDispatcher::processKeyRepeatLockedInterruptible(
+        nsecs_t currentTime, nsecs_t keyRepeatTimeout) {
+    KeyEntry* entry = mKeyRepeatState.lastKeyEntry;
+
+    // Search the inbound queue for a key up corresponding to this device.
+    // It doesn't make sense to generate a key repeat event if the key is already up.
+    for (EventEntry* queuedEntry = mInboundQueue.head.next;
+            queuedEntry != & mInboundQueue.tail; queuedEntry = entry->next) {
+        if (queuedEntry->type == EventEntry::TYPE_KEY) {
+            KeyEntry* queuedKeyEntry = static_cast<KeyEntry*>(queuedEntry);
+            if (queuedKeyEntry->deviceId == entry->deviceId
+                    && entry->action == AKEY_EVENT_ACTION_UP) {
+                resetKeyRepeatLocked();
+                return;
+            }
+        }
+    }
+
+    // Synthesize a key repeat after the repeat timeout expired.
+    // Reuse the repeated key entry if it is otherwise unreferenced.
+    uint32_t policyFlags = entry->policyFlags & POLICY_FLAG_RAW_MASK;
+    if (entry->refCount == 1) {
+        entry->eventTime = currentTime;
+        entry->policyFlags = policyFlags;
+        entry->repeatCount += 1;
+    } else {
+        KeyEntry* newEntry = mAllocator.obtainKeyEntry(currentTime,
+                entry->deviceId, entry->source, policyFlags,
+                entry->action, entry->flags, entry->keyCode, entry->scanCode,
+                entry->metaState, entry->repeatCount + 1, entry->downTime);
+
+        mKeyRepeatState.lastKeyEntry = newEntry;
+        mAllocator.releaseKeyEntry(entry);
+
+        entry = newEntry;
+    }
+
+    if (entry->repeatCount == 1) {
+        entry->flags |= AKEY_EVENT_FLAG_LONG_PRESS;
+    }
+
+    mKeyRepeatState.nextRepeatTime = currentTime + keyRepeatTimeout;
+
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+    LOGD("processKeyRepeat - eventTime=%lld, deviceId=0x%x, source=0x%x, policyFlags=0x%x, "
+            "action=0x%x, flags=0x%x, keyCode=0x%x, scanCode=0x%x, metaState=0x%x, "
+            "repeatCount=%d, downTime=%lld",
+            entry->eventTime, entry->deviceId, entry->source, entry->policyFlags,
+            entry->action, entry->flags, entry->keyCode, entry->scanCode, entry->metaState,
+            entry->repeatCount, entry->downTime);
+#endif
+
+    identifyInputTargetsAndDispatchKeyLockedInterruptible(currentTime, entry);
+}
+
+void InputDispatcher::processMotionLockedInterruptible(
+        nsecs_t currentTime, MotionEntry* entry) {
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+    LOGD("processMotion - eventTime=%lld, deviceId=0x%x, source=0x%x, policyFlags=0x%x, action=0x%x, "
+            "metaState=0x%x, edgeFlags=0x%x, xPrecision=%f, yPrecision=%f, downTime=%lld",
+            entry->eventTime, entry->deviceId, entry->source, entry->policyFlags, entry->action,
+            entry->metaState, entry->edgeFlags, entry->xPrecision, entry->yPrecision,
+            entry->downTime);
+
+    // Print the most recent sample that we have available, this may change due to batching.
+    size_t sampleCount = 1;
+    MotionSample* sample = & entry->firstSample;
+    for (; sample->next != NULL; sample = sample->next) {
+        sampleCount += 1;
+    }
+    for (uint32_t i = 0; i < entry->pointerCount; i++) {
+        LOGD("  Pointer %d: id=%d, x=%f, y=%f, pressure=%f, size=%f",
+                i, entry->pointerIds[i],
+                sample->pointerCoords[i].x,
+                sample->pointerCoords[i].y,
+                sample->pointerCoords[i].pressure,
+                sample->pointerCoords[i].size);
+    }
+
+    // Keep in mind that due to batching, it is possible for the number of samples actually
+    // dispatched to change before the application finally consumed them.
+    if (entry->action == AMOTION_EVENT_ACTION_MOVE) {
+        LOGD("  ... Total movement samples currently batched %d ...", sampleCount);
+    }
+#endif
+
+    identifyInputTargetsAndDispatchMotionLockedInterruptible(currentTime, entry);
+}
+
+void InputDispatcher::identifyInputTargetsAndDispatchKeyLockedInterruptible(
+        nsecs_t currentTime, KeyEntry* entry) {
+#if DEBUG_DISPATCH_CYCLE
+    LOGD("identifyInputTargetsAndDispatchKey");
+#endif
+
+    entry->dispatchInProgress = true;
+    mCurrentInputTargetsValid = false;
+    mLock.unlock();
+
+    mReusableKeyEvent.initialize(entry->deviceId, entry->source, entry->action, entry->flags,
+            entry->keyCode, entry->scanCode, entry->metaState, entry->repeatCount,
+            entry->downTime, entry->eventTime);
+
+    mCurrentInputTargets.clear();
+    int32_t injectionResult = mPolicy->waitForKeyEventTargets(& mReusableKeyEvent,
+            entry->policyFlags, entry->injectorPid, entry->injectorUid,
+            mCurrentInputTargets);
+
+    mLock.lock();
+    mCurrentInputTargetsValid = true;
+
+    setInjectionResultLocked(entry, injectionResult);
+
+    if (injectionResult == INPUT_EVENT_INJECTION_SUCCEEDED) {
+        dispatchEventToCurrentInputTargetsLocked(currentTime, entry, false);
+    }
+}
+
+void InputDispatcher::identifyInputTargetsAndDispatchMotionLockedInterruptible(
+        nsecs_t currentTime, MotionEntry* entry) {
+#if DEBUG_DISPATCH_CYCLE
+    LOGD("identifyInputTargetsAndDispatchMotion");
+#endif
+
+    entry->dispatchInProgress = true;
+    mCurrentInputTargetsValid = false;
+    mLock.unlock();
+
+    mReusableMotionEvent.initialize(entry->deviceId, entry->source, entry->action,
+            entry->edgeFlags, entry->metaState,
+            0, 0, entry->xPrecision, entry->yPrecision,
+            entry->downTime, entry->eventTime, entry->pointerCount, entry->pointerIds,
+            entry->firstSample.pointerCoords);
+
+    mCurrentInputTargets.clear();
+    int32_t injectionResult = mPolicy->waitForMotionEventTargets(& mReusableMotionEvent,
+            entry->policyFlags, entry->injectorPid, entry->injectorUid,
+            mCurrentInputTargets);
+
+    mLock.lock();
+    mCurrentInputTargetsValid = true;
+
+    setInjectionResultLocked(entry, injectionResult);
+
+    if (injectionResult == INPUT_EVENT_INJECTION_SUCCEEDED) {
+        dispatchEventToCurrentInputTargetsLocked(currentTime, entry, false);
+    }
+}
+
+void InputDispatcher::dispatchEventToCurrentInputTargetsLocked(nsecs_t currentTime,
+        EventEntry* eventEntry, bool resumeWithAppendedMotionSample) {
+#if DEBUG_DISPATCH_CYCLE
+    LOGD("dispatchEventToCurrentInputTargets - "
+            "resumeWithAppendedMotionSample=%s",
+            resumeWithAppendedMotionSample ? "true" : "false");
+#endif
+
+    assert(eventEntry->dispatchInProgress); // should already have been set to true
+
+    for (size_t i = 0; i < mCurrentInputTargets.size(); i++) {
+        const InputTarget& inputTarget = mCurrentInputTargets.itemAt(i);
+
+        ssize_t connectionIndex = mConnectionsByReceiveFd.indexOfKey(
+                inputTarget.inputChannel->getReceivePipeFd());
+        if (connectionIndex >= 0) {
+            sp<Connection> connection = mConnectionsByReceiveFd.valueAt(connectionIndex);
+            prepareDispatchCycleLocked(currentTime, connection, eventEntry, & inputTarget,
+                    resumeWithAppendedMotionSample);
+        } else {
+            LOGW("Framework requested delivery of an input event to channel '%s' but it "
+                    "is not registered with the input dispatcher.",
+                    inputTarget.inputChannel->getName().string());
+        }
+    }
+}
+
+void InputDispatcher::prepareDispatchCycleLocked(nsecs_t currentTime,
+        const sp<Connection>& connection, EventEntry* eventEntry, const InputTarget* inputTarget,
+        bool resumeWithAppendedMotionSample) {
+#if DEBUG_DISPATCH_CYCLE
+    LOGD("channel '%s' ~ prepareDispatchCycle - flags=%d, timeout=%lldns, "
+            "xOffset=%f, yOffset=%f, resumeWithAppendedMotionSample=%s",
+            connection->getInputChannelName(), inputTarget->flags, inputTarget->timeout,
+            inputTarget->xOffset, inputTarget->yOffset,
+            resumeWithAppendedMotionSample ? "true" : "false");
+#endif
+
+    // Skip this event if the connection status is not normal.
+    // We don't want to queue outbound events at all if the connection is broken or
+    // not responding.
+    if (connection->status != Connection::STATUS_NORMAL) {
+        LOGV("channel '%s' ~ Dropping event because the channel status is %s",
+                connection->getStatusLabel());
+        return;
+    }
+
+    // Resume the dispatch cycle with a freshly appended motion sample.
+    // First we check that the last dispatch entry in the outbound queue is for the same
+    // motion event to which we appended the motion sample.  If we find such a dispatch
+    // entry, and if it is currently in progress then we try to stream the new sample.
+    bool wasEmpty = connection->outboundQueue.isEmpty();
+
+    if (! wasEmpty && resumeWithAppendedMotionSample) {
+        DispatchEntry* motionEventDispatchEntry =
+                connection->findQueuedDispatchEntryForEvent(eventEntry);
+        if (motionEventDispatchEntry) {
+            // If the dispatch entry is not in progress, then we must be busy dispatching an
+            // earlier event.  Not a problem, the motion event is on the outbound queue and will
+            // be dispatched later.
+            if (! motionEventDispatchEntry->inProgress) {
+#if DEBUG_BATCHING
+                LOGD("channel '%s' ~ Not streaming because the motion event has "
+                        "not yet been dispatched.  "
+                        "(Waiting for earlier events to be consumed.)",
+                        connection->getInputChannelName());
+#endif
+                return;
+            }
+
+            // If the dispatch entry is in progress but it already has a tail of pending
+            // motion samples, then it must mean that the shared memory buffer filled up.
+            // Not a problem, when this dispatch cycle is finished, we will eventually start
+            // a new dispatch cycle to process the tail and that tail includes the newly
+            // appended motion sample.
+            if (motionEventDispatchEntry->tailMotionSample) {
+#if DEBUG_BATCHING
+                LOGD("channel '%s' ~ Not streaming because no new samples can "
+                        "be appended to the motion event in this dispatch cycle.  "
+                        "(Waiting for next dispatch cycle to start.)",
+                        connection->getInputChannelName());
+#endif
+                return;
+            }
+
+            // The dispatch entry is in progress and is still potentially open for streaming.
+            // Try to stream the new motion sample.  This might fail if the consumer has already
+            // consumed the motion event (or if the channel is broken).
+            MotionSample* appendedMotionSample = static_cast<MotionEntry*>(eventEntry)->lastSample;
+            status_t status = connection->inputPublisher.appendMotionSample(
+                    appendedMotionSample->eventTime, appendedMotionSample->pointerCoords);
+            if (status == OK) {
+#if DEBUG_BATCHING
+                LOGD("channel '%s' ~ Successfully streamed new motion sample.",
+                        connection->getInputChannelName());
+#endif
+                return;
+            }
+
+#if DEBUG_BATCHING
+            if (status == NO_MEMORY) {
+                LOGD("channel '%s' ~ Could not append motion sample to currently "
+                        "dispatched move event because the shared memory buffer is full.  "
+                        "(Waiting for next dispatch cycle to start.)",
+                        connection->getInputChannelName());
+            } else if (status == status_t(FAILED_TRANSACTION)) {
+                LOGD("channel '%s' ~ Could not append motion sample to currently "
+                        "dispatched move event because the event has already been consumed.  "
+                        "(Waiting for next dispatch cycle to start.)",
+                        connection->getInputChannelName());
+            } else {
+                LOGD("channel '%s' ~ Could not append motion sample to currently "
+                        "dispatched move event due to an error, status=%d.  "
+                        "(Waiting for next dispatch cycle to start.)",
+                        connection->getInputChannelName(), status);
+            }
+#endif
+            // Failed to stream.  Start a new tail of pending motion samples to dispatch
+            // in the next cycle.
+            motionEventDispatchEntry->tailMotionSample = appendedMotionSample;
+            return;
+        }
+    }
+
+    // This is a new event.
+    // Enqueue a new dispatch entry onto the outbound queue for this connection.
+    DispatchEntry* dispatchEntry = mAllocator.obtainDispatchEntry(eventEntry); // increments ref
+    dispatchEntry->targetFlags = inputTarget->flags;
+    dispatchEntry->xOffset = inputTarget->xOffset;
+    dispatchEntry->yOffset = inputTarget->yOffset;
+    dispatchEntry->timeout = inputTarget->timeout;
+    dispatchEntry->inProgress = false;
+    dispatchEntry->headMotionSample = NULL;
+    dispatchEntry->tailMotionSample = NULL;
+
+    // Handle the case where we could not stream a new motion sample because the consumer has
+    // already consumed the motion event (otherwise the corresponding dispatch entry would
+    // still be in the outbound queue for this connection).  We set the head motion sample
+    // to the list starting with the newly appended motion sample.
+    if (resumeWithAppendedMotionSample) {
+#if DEBUG_BATCHING
+        LOGD("channel '%s' ~ Preparing a new dispatch cycle for additional motion samples "
+                "that cannot be streamed because the motion event has already been consumed.",
+                connection->getInputChannelName());
+#endif
+        MotionSample* appendedMotionSample = static_cast<MotionEntry*>(eventEntry)->lastSample;
+        dispatchEntry->headMotionSample = appendedMotionSample;
+    }
+
+    // Enqueue the dispatch entry.
+    connection->outboundQueue.enqueueAtTail(dispatchEntry);
+
+    // If the outbound queue was previously empty, start the dispatch cycle going.
+    if (wasEmpty) {
+        activateConnectionLocked(connection.get());
+        startDispatchCycleLocked(currentTime, connection);
+    }
+}
+
+void InputDispatcher::startDispatchCycleLocked(nsecs_t currentTime,
+        const sp<Connection>& connection) {
+#if DEBUG_DISPATCH_CYCLE
+    LOGD("channel '%s' ~ startDispatchCycle",
+            connection->getInputChannelName());
+#endif
+
+    assert(connection->status == Connection::STATUS_NORMAL);
+    assert(! connection->outboundQueue.isEmpty());
+
+    DispatchEntry* dispatchEntry = connection->outboundQueue.head.next;
+    assert(! dispatchEntry->inProgress);
+
+    // TODO throttle successive ACTION_MOVE motion events for the same device
+    //      possible implementation could set a brief poll timeout here and resume starting the
+    //      dispatch cycle when elapsed
+
+    // Publish the event.
+    status_t status;
+    switch (dispatchEntry->eventEntry->type) {
+    case EventEntry::TYPE_KEY: {
+        KeyEntry* keyEntry = static_cast<KeyEntry*>(dispatchEntry->eventEntry);
+
+        // Apply target flags.
+        int32_t action = keyEntry->action;
+        int32_t flags = keyEntry->flags;
+        if (dispatchEntry->targetFlags & InputTarget::FLAG_CANCEL) {
+            flags |= AKEY_EVENT_FLAG_CANCELED;
+        }
+
+        // Publish the key event.
+        status = connection->inputPublisher.publishKeyEvent(keyEntry->deviceId, keyEntry->source,
+                action, flags, keyEntry->keyCode, keyEntry->scanCode,
+                keyEntry->metaState, keyEntry->repeatCount, keyEntry->downTime,
+                keyEntry->eventTime);
+
+        if (status) {
+            LOGE("channel '%s' ~ Could not publish key event, "
+                    "status=%d", connection->getInputChannelName(), status);
+            abortDispatchCycleLocked(currentTime, connection, true /*broken*/);
+            return;
+        }
+        break;
+    }
+
+    case EventEntry::TYPE_MOTION: {
+        MotionEntry* motionEntry = static_cast<MotionEntry*>(dispatchEntry->eventEntry);
+
+        // Apply target flags.
+        int32_t action = motionEntry->action;
+        if (dispatchEntry->targetFlags & InputTarget::FLAG_OUTSIDE) {
+            action = AMOTION_EVENT_ACTION_OUTSIDE;
+        }
+        if (dispatchEntry->targetFlags & InputTarget::FLAG_CANCEL) {
+            action = AMOTION_EVENT_ACTION_CANCEL;
+        }
+
+        // If headMotionSample is non-NULL, then it points to the first new sample that we
+        // were unable to dispatch during the previous cycle so we resume dispatching from
+        // that point in the list of motion samples.
+        // Otherwise, we just start from the first sample of the motion event.
+        MotionSample* firstMotionSample = dispatchEntry->headMotionSample;
+        if (! firstMotionSample) {
+            firstMotionSample = & motionEntry->firstSample;
+        }
+
+        // Set the X and Y offset depending on the input source.
+        float xOffset, yOffset;
+        if (motionEntry->source & AINPUT_SOURCE_CLASS_POINTER) {
+            xOffset = dispatchEntry->xOffset;
+            yOffset = dispatchEntry->yOffset;
+        } else {
+            xOffset = 0.0f;
+            yOffset = 0.0f;
+        }
+
+        // Publish the motion event and the first motion sample.
+        status = connection->inputPublisher.publishMotionEvent(motionEntry->deviceId,
+                motionEntry->source, action, motionEntry->edgeFlags, motionEntry->metaState,
+                xOffset, yOffset,
+                motionEntry->xPrecision, motionEntry->yPrecision,
+                motionEntry->downTime, firstMotionSample->eventTime,
+                motionEntry->pointerCount, motionEntry->pointerIds,
+                firstMotionSample->pointerCoords);
+
+        if (status) {
+            LOGE("channel '%s' ~ Could not publish motion event, "
+                    "status=%d", connection->getInputChannelName(), status);
+            abortDispatchCycleLocked(currentTime, connection, true /*broken*/);
+            return;
+        }
+
+        // Append additional motion samples.
+        MotionSample* nextMotionSample = firstMotionSample->next;
+        for (; nextMotionSample != NULL; nextMotionSample = nextMotionSample->next) {
+            status = connection->inputPublisher.appendMotionSample(
+                    nextMotionSample->eventTime, nextMotionSample->pointerCoords);
+            if (status == NO_MEMORY) {
+#if DEBUG_DISPATCH_CYCLE
+                    LOGD("channel '%s' ~ Shared memory buffer full.  Some motion samples will "
+                            "be sent in the next dispatch cycle.",
+                            connection->getInputChannelName());
+#endif
+                break;
+            }
+            if (status != OK) {
+                LOGE("channel '%s' ~ Could not append motion sample "
+                        "for a reason other than out of memory, status=%d",
+                        connection->getInputChannelName(), status);
+                abortDispatchCycleLocked(currentTime, connection, true /*broken*/);
+                return;
+            }
+        }
+
+        // Remember the next motion sample that we could not dispatch, in case we ran out
+        // of space in the shared memory buffer.
+        dispatchEntry->tailMotionSample = nextMotionSample;
+        break;
+    }
+
+    default: {
+        assert(false);
+    }
+    }
+
+    // Send the dispatch signal.
+    status = connection->inputPublisher.sendDispatchSignal();
+    if (status) {
+        LOGE("channel '%s' ~ Could not send dispatch signal, status=%d",
+                connection->getInputChannelName(), status);
+        abortDispatchCycleLocked(currentTime, connection, true /*broken*/);
+        return;
+    }
+
+    // Record information about the newly started dispatch cycle.
+    dispatchEntry->inProgress = true;
+
+    connection->lastEventTime = dispatchEntry->eventEntry->eventTime;
+    connection->lastDispatchTime = currentTime;
+
+    nsecs_t timeout = dispatchEntry->timeout;
+    connection->setNextTimeoutTime(currentTime, timeout);
+
+    // Notify other system components.
+    onDispatchCycleStartedLocked(currentTime, connection);
+}
+
+void InputDispatcher::finishDispatchCycleLocked(nsecs_t currentTime,
+        const sp<Connection>& connection) {
+#if DEBUG_DISPATCH_CYCLE
+    LOGD("channel '%s' ~ finishDispatchCycle - %01.1fms since event, "
+            "%01.1fms since dispatch",
+            connection->getInputChannelName(),
+            connection->getEventLatencyMillis(currentTime),
+            connection->getDispatchLatencyMillis(currentTime));
+#endif
+
+    if (connection->status == Connection::STATUS_BROKEN
+            || connection->status == Connection::STATUS_ZOMBIE) {
+        return;
+    }
+
+    // Clear the pending timeout.
+    connection->nextTimeoutTime = LONG_LONG_MAX;
+
+    if (connection->status == Connection::STATUS_NOT_RESPONDING) {
+        // Recovering from an ANR.
+        connection->status = Connection::STATUS_NORMAL;
+
+        // Notify other system components.
+        onDispatchCycleFinishedLocked(currentTime, connection, true /*recoveredFromANR*/);
+    } else {
+        // Normal finish.  Not much to do here.
+
+        // Notify other system components.
+        onDispatchCycleFinishedLocked(currentTime, connection, false /*recoveredFromANR*/);
+    }
+
+    // Reset the publisher since the event has been consumed.
+    // We do this now so that the publisher can release some of its internal resources
+    // while waiting for the next dispatch cycle to begin.
+    status_t status = connection->inputPublisher.reset();
+    if (status) {
+        LOGE("channel '%s' ~ Could not reset publisher, status=%d",
+                connection->getInputChannelName(), status);
+        abortDispatchCycleLocked(currentTime, connection, true /*broken*/);
+        return;
+    }
+
+    // Start the next dispatch cycle for this connection.
+    while (! connection->outboundQueue.isEmpty()) {
+        DispatchEntry* dispatchEntry = connection->outboundQueue.head.next;
+        if (dispatchEntry->inProgress) {
+             // Finish or resume current event in progress.
+            if (dispatchEntry->tailMotionSample) {
+                // We have a tail of undispatched motion samples.
+                // Reuse the same DispatchEntry and start a new cycle.
+                dispatchEntry->inProgress = false;
+                dispatchEntry->headMotionSample = dispatchEntry->tailMotionSample;
+                dispatchEntry->tailMotionSample = NULL;
+                startDispatchCycleLocked(currentTime, connection);
+                return;
+            }
+            // Finished.
+            connection->outboundQueue.dequeueAtHead();
+            mAllocator.releaseDispatchEntry(dispatchEntry);
+        } else {
+            // If the head is not in progress, then we must have already dequeued the in
+            // progress event, which means we actually aborted it (due to ANR).
+            // So just start the next event for this connection.
+            startDispatchCycleLocked(currentTime, connection);
+            return;
+        }
+    }
+
+    // Outbound queue is empty, deactivate the connection.
+    deactivateConnectionLocked(connection.get());
+}
+
+void InputDispatcher::timeoutDispatchCycleLocked(nsecs_t currentTime,
+        const sp<Connection>& connection) {
+#if DEBUG_DISPATCH_CYCLE
+    LOGD("channel '%s' ~ timeoutDispatchCycle",
+            connection->getInputChannelName());
+#endif
+
+    if (connection->status != Connection::STATUS_NORMAL) {
+        return;
+    }
+
+    // Enter the not responding state.
+    connection->status = Connection::STATUS_NOT_RESPONDING;
+    connection->lastANRTime = currentTime;
+
+    // Notify other system components.
+    // This enqueues a command which will eventually either call
+    // resumeAfterTimeoutDispatchCycleLocked or abortDispatchCycleLocked.
+    onDispatchCycleANRLocked(currentTime, connection);
+}
+
+void InputDispatcher::resumeAfterTimeoutDispatchCycleLocked(nsecs_t currentTime,
+        const sp<Connection>& connection, nsecs_t newTimeout) {
+#if DEBUG_DISPATCH_CYCLE
+    LOGD("channel '%s' ~ resumeAfterTimeoutDispatchCycleLocked",
+            connection->getInputChannelName());
+#endif
+
+    if (connection->status != Connection::STATUS_NOT_RESPONDING) {
+        return;
+    }
+
+    // Resume normal dispatch.
+    connection->status = Connection::STATUS_NORMAL;
+    connection->setNextTimeoutTime(currentTime, newTimeout);
+}
+
+void InputDispatcher::abortDispatchCycleLocked(nsecs_t currentTime,
+        const sp<Connection>& connection, bool broken) {
+#if DEBUG_DISPATCH_CYCLE
+    LOGD("channel '%s' ~ abortDispatchCycle - broken=%s",
+            connection->getInputChannelName(), broken ? "true" : "false");
+#endif
+
+    // Clear the pending timeout.
+    connection->nextTimeoutTime = LONG_LONG_MAX;
+
+    // Clear the outbound queue.
+    if (! connection->outboundQueue.isEmpty()) {
+        do {
+            DispatchEntry* dispatchEntry = connection->outboundQueue.dequeueAtHead();
+            mAllocator.releaseDispatchEntry(dispatchEntry);
+        } while (! connection->outboundQueue.isEmpty());
+
+        deactivateConnectionLocked(connection.get());
+    }
+
+    // Handle the case where the connection appears to be unrecoverably broken.
+    // Ignore already broken or zombie connections.
+    if (broken) {
+        if (connection->status == Connection::STATUS_NORMAL
+                || connection->status == Connection::STATUS_NOT_RESPONDING) {
+            connection->status = Connection::STATUS_BROKEN;
+
+            // Notify other system components.
+            onDispatchCycleBrokenLocked(currentTime, connection);
+        }
+    }
+}
+
+bool InputDispatcher::handleReceiveCallback(int receiveFd, int events, void* data) {
+    InputDispatcher* d = static_cast<InputDispatcher*>(data);
+
+    { // acquire lock
+        AutoMutex _l(d->mLock);
+
+        ssize_t connectionIndex = d->mConnectionsByReceiveFd.indexOfKey(receiveFd);
+        if (connectionIndex < 0) {
+            LOGE("Received spurious receive callback for unknown input channel.  "
+                    "fd=%d, events=0x%x", receiveFd, events);
+            return false; // remove the callback
+        }
+
+        nsecs_t currentTime = now();
+
+        sp<Connection> connection = d->mConnectionsByReceiveFd.valueAt(connectionIndex);
+        if (events & (POLLERR | POLLHUP | POLLNVAL)) {
+            LOGE("channel '%s' ~ Consumer closed input channel or an error occurred.  "
+                    "events=0x%x", connection->getInputChannelName(), events);
+            d->abortDispatchCycleLocked(currentTime, connection, true /*broken*/);
+            d->runCommandsLockedInterruptible();
+            return false; // remove the callback
+        }
+
+        if (! (events & POLLIN)) {
+            LOGW("channel '%s' ~ Received spurious callback for unhandled poll event.  "
+                    "events=0x%x", connection->getInputChannelName(), events);
+            return true;
+        }
+
+        status_t status = connection->inputPublisher.receiveFinishedSignal();
+        if (status) {
+            LOGE("channel '%s' ~ Failed to receive finished signal.  status=%d",
+                    connection->getInputChannelName(), status);
+            d->abortDispatchCycleLocked(currentTime, connection, true /*broken*/);
+            d->runCommandsLockedInterruptible();
+            return false; // remove the callback
+        }
+
+        d->finishDispatchCycleLocked(currentTime, connection);
+        d->runCommandsLockedInterruptible();
+        return true;
+    } // release lock
+}
+
+void InputDispatcher::notifyConfigurationChanged(nsecs_t eventTime) {
+#if DEBUG_INBOUND_EVENT_DETAILS
+    LOGD("notifyConfigurationChanged - eventTime=%lld", eventTime);
+#endif
+
+    bool wasEmpty;
+    { // acquire lock
+        AutoMutex _l(mLock);
+
+        ConfigurationChangedEntry* newEntry = mAllocator.obtainConfigurationChangedEntry(eventTime);
+
+        wasEmpty = mInboundQueue.isEmpty();
+        mInboundQueue.enqueueAtTail(newEntry);
+    } // release lock
+
+    if (wasEmpty) {
+        mPollLoop->wake();
+    }
+}
+
+void InputDispatcher::notifyAppSwitchComing(nsecs_t eventTime) {
+#if DEBUG_INBOUND_EVENT_DETAILS
+    LOGD("notifyAppSwitchComing - eventTime=%lld", eventTime);
+#endif
+
+    // Remove movement keys from the queue from most recent to least recent, stopping at the
+    // first non-movement key.
+    // TODO: Include a detailed description of why we do this...
+
+    { // acquire lock
+        AutoMutex _l(mLock);
+
+        for (EventEntry* entry = mInboundQueue.tail.prev; entry != & mInboundQueue.head; ) {
+            EventEntry* prev = entry->prev;
+
+            if (entry->type == EventEntry::TYPE_KEY) {
+                KeyEntry* keyEntry = static_cast<KeyEntry*>(entry);
+                if (isMovementKey(keyEntry->keyCode)) {
+                    LOGV("Dropping movement key during app switch: keyCode=%d, action=%d",
+                            keyEntry->keyCode, keyEntry->action);
+                    mInboundQueue.dequeue(keyEntry);
+
+                    setInjectionResultLocked(entry, INPUT_EVENT_INJECTION_FAILED);
+
+                    mAllocator.releaseKeyEntry(keyEntry);
+                } else {
+                    // stop at last non-movement key
+                    break;
+                }
+            }
+
+            entry = prev;
+        }
+    } // release lock
+}
+
+void InputDispatcher::notifyKey(nsecs_t eventTime, int32_t deviceId, int32_t source,
+        uint32_t policyFlags, int32_t action, int32_t flags,
+        int32_t keyCode, int32_t scanCode, int32_t metaState, nsecs_t downTime) {
+#if DEBUG_INBOUND_EVENT_DETAILS
+    LOGD("notifyKey - eventTime=%lld, deviceId=0x%x, source=0x%x, policyFlags=0x%x, action=0x%x, "
+            "flags=0x%x, keyCode=0x%x, scanCode=0x%x, metaState=0x%x, downTime=%lld",
+            eventTime, deviceId, source, policyFlags, action, flags,
+            keyCode, scanCode, metaState, downTime);
+#endif
+
+    bool wasEmpty;
+    { // acquire lock
+        AutoMutex _l(mLock);
+
+        int32_t repeatCount = 0;
+        KeyEntry* newEntry = mAllocator.obtainKeyEntry(eventTime,
+                deviceId, source, policyFlags, action, flags, keyCode, scanCode,
+                metaState, repeatCount, downTime);
+
+        wasEmpty = mInboundQueue.isEmpty();
+        mInboundQueue.enqueueAtTail(newEntry);
+    } // release lock
+
+    if (wasEmpty) {
+        mPollLoop->wake();
+    }
+}
+
+void InputDispatcher::notifyMotion(nsecs_t eventTime, int32_t deviceId, int32_t source,
+        uint32_t policyFlags, int32_t action, int32_t metaState, int32_t edgeFlags,
+        uint32_t pointerCount, const int32_t* pointerIds, const PointerCoords* pointerCoords,
+        float xPrecision, float yPrecision, nsecs_t downTime) {
+#if DEBUG_INBOUND_EVENT_DETAILS
+    LOGD("notifyMotion - eventTime=%lld, deviceId=0x%x, source=0x%x, policyFlags=0x%x, "
+            "action=0x%x, metaState=0x%x, edgeFlags=0x%x, xPrecision=%f, yPrecision=%f, "
+            "downTime=%lld",
+            eventTime, deviceId, source, policyFlags, action, metaState, edgeFlags,
+            xPrecision, yPrecision, downTime);
+    for (uint32_t i = 0; i < pointerCount; i++) {
+        LOGD("  Pointer %d: id=%d, x=%f, y=%f, pressure=%f, size=%f",
+                i, pointerIds[i], pointerCoords[i].x, pointerCoords[i].y,
+                pointerCoords[i].pressure, pointerCoords[i].size);
+    }
+#endif
+
+    bool wasEmpty;
+    { // acquire lock
+        AutoMutex _l(mLock);
+
+        // Attempt batching and streaming of move events.
+        if (action == AMOTION_EVENT_ACTION_MOVE) {
+            // BATCHING CASE
+            //
+            // Try to append a move sample to the tail of the inbound queue for this device.
+            // Give up if we encounter a non-move motion event for this device since that
+            // means we cannot append any new samples until a new motion event has started.
+            for (EventEntry* entry = mInboundQueue.tail.prev;
+                    entry != & mInboundQueue.head; entry = entry->prev) {
+                if (entry->type != EventEntry::TYPE_MOTION) {
+                    // Keep looking for motion events.
+                    continue;
+                }
+
+                MotionEntry* motionEntry = static_cast<MotionEntry*>(entry);
+                if (motionEntry->deviceId != deviceId) {
+                    // Keep looking for this device.
+                    continue;
+                }
+
+                if (motionEntry->action != AMOTION_EVENT_ACTION_MOVE
+                        || motionEntry->pointerCount != pointerCount
+                        || motionEntry->isInjected()) {
+                    // Last motion event in the queue for this device is not compatible for
+                    // appending new samples.  Stop here.
+                    goto NoBatchingOrStreaming;
+                }
+
+                // The last motion event is a move and is compatible for appending.
+                // Do the batching magic.
+                mAllocator.appendMotionSample(motionEntry, eventTime, pointerCoords);
+#if DEBUG_BATCHING
+                LOGD("Appended motion sample onto batch for most recent "
+                        "motion event for this device in the inbound queue.");
+#endif
+
+                // Sanity check for special case because dispatch is interruptible.
+                // The dispatch logic is partially interruptible and releases its lock while
+                // identifying targets.  However, as soon as the targets have been identified,
+                // the dispatcher proceeds to write a dispatch entry into all relevant outbound
+                // queues and then promptly removes the motion entry from the queue.
+                //
+                // Consequently, we should never observe the case where the inbound queue contains
+                // an in-progress motion entry unless the current input targets are invalid
+                // (currently being computed).  Check for this!
+                assert(! (motionEntry->dispatchInProgress && mCurrentInputTargetsValid));
+
+                return; // done!
+            }
+
+            // STREAMING CASE
+            //
+            // There is no pending motion event (of any kind) for this device in the inbound queue.
+            // Search the outbound queues for a synchronously dispatched motion event for this
+            // device.  If found, then we append the new sample to that event and then try to
+            // push it out to all current targets.  It is possible that some targets will already
+            // have consumed the motion event.  This case is automatically handled by the
+            // logic in prepareDispatchCycleLocked by tracking where resumption takes place.
+            //
+            // The reason we look for a synchronously dispatched motion event is because we
+            // want to be sure that no other motion events have been dispatched since the move.
+            // It's also convenient because it means that the input targets are still valid.
+            // This code could be improved to support streaming of asynchronously dispatched
+            // motion events (which might be significantly more efficient) but it may become
+            // a little more complicated as a result.
+            //
+            // Note: This code crucially depends on the invariant that an outbound queue always
+            //       contains at most one synchronous event and it is always last (but it might
+            //       not be first!).
+            if (mCurrentInputTargetsValid) {
+                for (size_t i = 0; i < mActiveConnections.size(); i++) {
+                    Connection* connection = mActiveConnections.itemAt(i);
+                    if (! connection->outboundQueue.isEmpty()) {
+                        DispatchEntry* dispatchEntry = connection->outboundQueue.tail.prev;
+                        if (dispatchEntry->targetFlags & InputTarget::FLAG_SYNC) {
+                            if (dispatchEntry->eventEntry->type != EventEntry::TYPE_MOTION) {
+                                goto NoBatchingOrStreaming;
+                            }
+
+                            MotionEntry* syncedMotionEntry = static_cast<MotionEntry*>(
+                                    dispatchEntry->eventEntry);
+                            if (syncedMotionEntry->action != AMOTION_EVENT_ACTION_MOVE
+                                    || syncedMotionEntry->deviceId != deviceId
+                                    || syncedMotionEntry->pointerCount != pointerCount
+                                    || syncedMotionEntry->isInjected()) {
+                                goto NoBatchingOrStreaming;
+                            }
+
+                            // Found synced move entry.  Append sample and resume dispatch.
+                            mAllocator.appendMotionSample(syncedMotionEntry, eventTime,
+                                    pointerCoords);
+    #if DEBUG_BATCHING
+                            LOGD("Appended motion sample onto batch for most recent synchronously "
+                                    "dispatched motion event for this device in the outbound queues.");
+    #endif
+                            nsecs_t currentTime = now();
+                            dispatchEventToCurrentInputTargetsLocked(currentTime, syncedMotionEntry,
+                                    true /*resumeWithAppendedMotionSample*/);
+
+                            runCommandsLockedInterruptible();
+                            return; // done!
+                        }
+                    }
+                }
+            }
+
+NoBatchingOrStreaming:;
+        }
+
+        // Just enqueue a new motion event.
+        MotionEntry* newEntry = mAllocator.obtainMotionEntry(eventTime,
+                deviceId, source, policyFlags, action, metaState, edgeFlags,
+                xPrecision, yPrecision, downTime,
+                pointerCount, pointerIds, pointerCoords);
+
+        wasEmpty = mInboundQueue.isEmpty();
+        mInboundQueue.enqueueAtTail(newEntry);
+    } // release lock
+
+    if (wasEmpty) {
+        mPollLoop->wake();
+    }
+}
+
+int32_t InputDispatcher::injectInputEvent(const InputEvent* event,
+        int32_t injectorPid, int32_t injectorUid, bool sync, int32_t timeoutMillis) {
+#if DEBUG_INBOUND_EVENT_DETAILS
+    LOGD("injectInputEvent - eventType=%d, injectorPid=%d, injectorUid=%d, "
+            "sync=%d, timeoutMillis=%d",
+            event->getType(), injectorPid, injectorUid, sync, timeoutMillis);
+#endif
+
+    nsecs_t endTime = now() + milliseconds_to_nanoseconds(timeoutMillis);
+
+    EventEntry* injectedEntry;
+    bool wasEmpty;
+    { // acquire lock
+        AutoMutex _l(mLock);
+
+        injectedEntry = createEntryFromInputEventLocked(event);
+        injectedEntry->refCount += 1;
+        injectedEntry->injectorPid = injectorPid;
+        injectedEntry->injectorUid = injectorUid;
+
+        wasEmpty = mInboundQueue.isEmpty();
+        mInboundQueue.enqueueAtTail(injectedEntry);
+
+    } // release lock
+
+    if (wasEmpty) {
+        mPollLoop->wake();
+    }
+
+    int32_t injectionResult;
+    { // acquire lock
+        AutoMutex _l(mLock);
+
+        for (;;) {
+            injectionResult = injectedEntry->injectionResult;
+            if (injectionResult != INPUT_EVENT_INJECTION_PENDING) {
+                break;
+            }
+
+            nsecs_t remainingTimeout = endTime - now();
+            if (remainingTimeout <= 0) {
+                injectionResult = INPUT_EVENT_INJECTION_TIMED_OUT;
+                sync = false;
+                break;
+            }
+
+            mInjectionResultAvailableCondition.waitRelative(mLock, remainingTimeout);
+        }
+
+        if (sync) {
+            while (! isFullySynchronizedLocked()) {
+                nsecs_t remainingTimeout = endTime - now();
+                if (remainingTimeout <= 0) {
+                    injectionResult = INPUT_EVENT_INJECTION_TIMED_OUT;
+                    break;
+                }
+
+                mFullySynchronizedCondition.waitRelative(mLock, remainingTimeout);
+            }
+        }
+
+        mAllocator.releaseEventEntry(injectedEntry);
+    } // release lock
+
+    return injectionResult;
+}
+
+void InputDispatcher::setInjectionResultLocked(EventEntry* entry, int32_t injectionResult) {
+    if (entry->isInjected()) {
+#if DEBUG_INJECTION
+        LOGD("Setting input event injection result to %d.  "
+                "injectorPid=%d, injectorUid=%d",
+                 injectionResult, entry->injectorPid, entry->injectorUid);
+#endif
+
+        entry->injectionResult = injectionResult;
+        mInjectionResultAvailableCondition.broadcast();
+    }
+}
+
+bool InputDispatcher::isFullySynchronizedLocked() {
+    return mInboundQueue.isEmpty() && mActiveConnections.isEmpty();
+}
+
+InputDispatcher::EventEntry* InputDispatcher::createEntryFromInputEventLocked(
+        const InputEvent* event) {
+    switch (event->getType()) {
+    case AINPUT_EVENT_TYPE_KEY: {
+        const KeyEvent* keyEvent = static_cast<const KeyEvent*>(event);
+        uint32_t policyFlags = 0; // XXX consider adding a policy flag to track injected events
+
+        KeyEntry* keyEntry = mAllocator.obtainKeyEntry(keyEvent->getEventTime(),
+                keyEvent->getDeviceId(), keyEvent->getSource(), policyFlags,
+                keyEvent->getAction(), keyEvent->getFlags(),
+                keyEvent->getKeyCode(), keyEvent->getScanCode(), keyEvent->getMetaState(),
+                keyEvent->getRepeatCount(), keyEvent->getDownTime());
+        return keyEntry;
+    }
+
+    case AINPUT_EVENT_TYPE_MOTION: {
+        const MotionEvent* motionEvent = static_cast<const MotionEvent*>(event);
+        uint32_t policyFlags = 0; // XXX consider adding a policy flag to track injected events
+
+        const nsecs_t* sampleEventTimes = motionEvent->getSampleEventTimes();
+        const PointerCoords* samplePointerCoords = motionEvent->getSamplePointerCoords();
+        size_t pointerCount = motionEvent->getPointerCount();
+
+        MotionEntry* motionEntry = mAllocator.obtainMotionEntry(*sampleEventTimes,
+                motionEvent->getDeviceId(), motionEvent->getSource(), policyFlags,
+                motionEvent->getAction(), motionEvent->getMetaState(), motionEvent->getEdgeFlags(),
+                motionEvent->getXPrecision(), motionEvent->getYPrecision(),
+                motionEvent->getDownTime(), uint32_t(pointerCount),
+                motionEvent->getPointerIds(), samplePointerCoords);
+        for (size_t i = motionEvent->getHistorySize(); i > 0; i--) {
+            sampleEventTimes += 1;
+            samplePointerCoords += pointerCount;
+            mAllocator.appendMotionSample(motionEntry, *sampleEventTimes, samplePointerCoords);
+        }
+        return motionEntry;
+    }
+
+    default:
+        assert(false);
+        return NULL;
+    }
+}
+
+void InputDispatcher::resetKeyRepeatLocked() {
+    if (mKeyRepeatState.lastKeyEntry) {
+        mAllocator.releaseKeyEntry(mKeyRepeatState.lastKeyEntry);
+        mKeyRepeatState.lastKeyEntry = NULL;
+    }
+}
+
+void InputDispatcher::preemptInputDispatch() {
+#if DEBUG_DISPATCH_CYCLE
+    LOGD("preemptInputDispatch");
+#endif
+
+    bool preemptedOne = false;
+    { // acquire lock
+        AutoMutex _l(mLock);
+
+        for (size_t i = 0; i < mActiveConnections.size(); i++) {
+            Connection* connection = mActiveConnections[i];
+            if (connection->hasPendingSyncTarget()) {
+#if DEBUG_DISPATCH_CYCLE
+                LOGD("channel '%s' ~ Preempted pending synchronous dispatch",
+                        connection->getInputChannelName());
+#endif
+                connection->outboundQueue.tail.prev->targetFlags &= ~ InputTarget::FLAG_SYNC;
+                preemptedOne = true;
+            }
+        }
+    } // release lock
+
+    if (preemptedOne) {
+        // Wake up the poll loop so it can get a head start dispatching the next event.
+        mPollLoop->wake();
+    }
+}
+
+status_t InputDispatcher::registerInputChannel(const sp<InputChannel>& inputChannel) {
+#if DEBUG_REGISTRATION
+    LOGD("channel '%s' ~ registerInputChannel", inputChannel->getName().string());
+#endif
+
+    int receiveFd;
+    { // acquire lock
+        AutoMutex _l(mLock);
+
+        receiveFd = inputChannel->getReceivePipeFd();
+        if (mConnectionsByReceiveFd.indexOfKey(receiveFd) >= 0) {
+            LOGW("Attempted to register already registered input channel '%s'",
+                    inputChannel->getName().string());
+            return BAD_VALUE;
+        }
+
+        sp<Connection> connection = new Connection(inputChannel);
+        status_t status = connection->initialize();
+        if (status) {
+            LOGE("Failed to initialize input publisher for input channel '%s', status=%d",
+                    inputChannel->getName().string(), status);
+            return status;
+        }
+
+        mConnectionsByReceiveFd.add(receiveFd, connection);
+
+        runCommandsLockedInterruptible();
+    } // release lock
+
+    mPollLoop->setCallback(receiveFd, POLLIN, handleReceiveCallback, this);
+    return OK;
+}
+
+status_t InputDispatcher::unregisterInputChannel(const sp<InputChannel>& inputChannel) {
+#if DEBUG_REGISTRATION
+    LOGD("channel '%s' ~ unregisterInputChannel", inputChannel->getName().string());
+#endif
+
+    int32_t receiveFd;
+    { // acquire lock
+        AutoMutex _l(mLock);
+
+        receiveFd = inputChannel->getReceivePipeFd();
+        ssize_t connectionIndex = mConnectionsByReceiveFd.indexOfKey(receiveFd);
+        if (connectionIndex < 0) {
+            LOGW("Attempted to unregister already unregistered input channel '%s'",
+                    inputChannel->getName().string());
+            return BAD_VALUE;
+        }
+
+        sp<Connection> connection = mConnectionsByReceiveFd.valueAt(connectionIndex);
+        mConnectionsByReceiveFd.removeItemsAt(connectionIndex);
+
+        connection->status = Connection::STATUS_ZOMBIE;
+
+        nsecs_t currentTime = now();
+        abortDispatchCycleLocked(currentTime, connection, true /*broken*/);
+
+        runCommandsLockedInterruptible();
+    } // release lock
+
+    mPollLoop->removeCallback(receiveFd);
+
+    // Wake the poll loop because removing the connection may have changed the current
+    // synchronization state.
+    mPollLoop->wake();
+    return OK;
+}
+
+void InputDispatcher::activateConnectionLocked(Connection* connection) {
+    for (size_t i = 0; i < mActiveConnections.size(); i++) {
+        if (mActiveConnections.itemAt(i) == connection) {
+            return;
+        }
+    }
+    mActiveConnections.add(connection);
+}
+
+void InputDispatcher::deactivateConnectionLocked(Connection* connection) {
+    for (size_t i = 0; i < mActiveConnections.size(); i++) {
+        if (mActiveConnections.itemAt(i) == connection) {
+            mActiveConnections.removeAt(i);
+            return;
+        }
+    }
+}
+
+void InputDispatcher::onDispatchCycleStartedLocked(
+        nsecs_t currentTime, const sp<Connection>& connection) {
+}
+
+void InputDispatcher::onDispatchCycleFinishedLocked(
+        nsecs_t currentTime, const sp<Connection>& connection, bool recoveredFromANR) {
+    if (recoveredFromANR) {
+        LOGI("channel '%s' ~ Recovered from ANR.  %01.1fms since event, "
+                "%01.1fms since dispatch, %01.1fms since ANR",
+                connection->getInputChannelName(),
+                connection->getEventLatencyMillis(currentTime),
+                connection->getDispatchLatencyMillis(currentTime),
+                connection->getANRLatencyMillis(currentTime));
+
+        CommandEntry* commandEntry = postCommandLocked(
+                & InputDispatcher::doNotifyInputChannelRecoveredFromANRLockedInterruptible);
+        commandEntry->connection = connection;
+    }
+}
+
+void InputDispatcher::onDispatchCycleANRLocked(
+        nsecs_t currentTime, const sp<Connection>& connection) {
+    LOGI("channel '%s' ~ Not responding!  %01.1fms since event, %01.1fms since dispatch",
+            connection->getInputChannelName(),
+            connection->getEventLatencyMillis(currentTime),
+            connection->getDispatchLatencyMillis(currentTime));
+
+    CommandEntry* commandEntry = postCommandLocked(
+            & InputDispatcher::doNotifyInputChannelANRLockedInterruptible);
+    commandEntry->connection = connection;
+}
+
+void InputDispatcher::onDispatchCycleBrokenLocked(
+        nsecs_t currentTime, const sp<Connection>& connection) {
+    LOGE("channel '%s' ~ Channel is unrecoverably broken and will be disposed!",
+            connection->getInputChannelName());
+
+    CommandEntry* commandEntry = postCommandLocked(
+            & InputDispatcher::doNotifyInputChannelBrokenLockedInterruptible);
+    commandEntry->connection = connection;
+}
+
+void InputDispatcher::doNotifyInputChannelBrokenLockedInterruptible(
+        CommandEntry* commandEntry) {
+    sp<Connection> connection = commandEntry->connection;
+
+    if (connection->status != Connection::STATUS_ZOMBIE) {
+        mLock.unlock();
+
+        mPolicy->notifyInputChannelBroken(connection->inputChannel);
+
+        mLock.lock();
+    }
+}
+
+void InputDispatcher::doNotifyInputChannelANRLockedInterruptible(
+        CommandEntry* commandEntry) {
+    sp<Connection> connection = commandEntry->connection;
+
+    if (connection->status != Connection::STATUS_ZOMBIE) {
+        mLock.unlock();
+
+        nsecs_t newTimeout;
+        bool resume = mPolicy->notifyInputChannelANR(connection->inputChannel, newTimeout);
+
+        mLock.lock();
+
+        nsecs_t currentTime = now();
+        if (resume) {
+            resumeAfterTimeoutDispatchCycleLocked(currentTime, connection, newTimeout);
+        } else {
+            abortDispatchCycleLocked(currentTime, connection, false /*(not) broken*/);
+        }
+    }
+}
+
+void InputDispatcher::doNotifyInputChannelRecoveredFromANRLockedInterruptible(
+        CommandEntry* commandEntry) {
+    sp<Connection> connection = commandEntry->connection;
+
+    if (connection->status != Connection::STATUS_ZOMBIE) {
+        mLock.unlock();
+
+        mPolicy->notifyInputChannelRecoveredFromANR(connection->inputChannel);
+
+        mLock.lock();
+    }
+}
+
+
+// --- InputDispatcher::Allocator ---
+
+InputDispatcher::Allocator::Allocator() {
+}
+
+void InputDispatcher::Allocator::initializeEventEntry(EventEntry* entry, int32_t type,
+        nsecs_t eventTime) {
+    entry->type = type;
+    entry->refCount = 1;
+    entry->dispatchInProgress = false;
+    entry->eventTime = eventTime;
+    entry->injectionResult = INPUT_EVENT_INJECTION_PENDING;
+    entry->injectorPid = -1;
+    entry->injectorUid = -1;
+}
+
+InputDispatcher::ConfigurationChangedEntry*
+InputDispatcher::Allocator::obtainConfigurationChangedEntry(nsecs_t eventTime) {
+    ConfigurationChangedEntry* entry = mConfigurationChangeEntryPool.alloc();
+    initializeEventEntry(entry, EventEntry::TYPE_CONFIGURATION_CHANGED, eventTime);
+    return entry;
+}
+
+InputDispatcher::KeyEntry* InputDispatcher::Allocator::obtainKeyEntry(nsecs_t eventTime,
+        int32_t deviceId, int32_t source, uint32_t policyFlags, int32_t action,
+        int32_t flags, int32_t keyCode, int32_t scanCode, int32_t metaState,
+        int32_t repeatCount, nsecs_t downTime) {
+    KeyEntry* entry = mKeyEntryPool.alloc();
+    initializeEventEntry(entry, EventEntry::TYPE_KEY, eventTime);
+
+    entry->deviceId = deviceId;
+    entry->source = source;
+    entry->policyFlags = policyFlags;
+    entry->action = action;
+    entry->flags = flags;
+    entry->keyCode = keyCode;
+    entry->scanCode = scanCode;
+    entry->metaState = metaState;
+    entry->repeatCount = repeatCount;
+    entry->downTime = downTime;
+    return entry;
+}
+
+InputDispatcher::MotionEntry* InputDispatcher::Allocator::obtainMotionEntry(nsecs_t eventTime,
+        int32_t deviceId, int32_t source, uint32_t policyFlags, int32_t action,
+        int32_t metaState, int32_t edgeFlags, float xPrecision, float yPrecision,
+        nsecs_t downTime, uint32_t pointerCount,
+        const int32_t* pointerIds, const PointerCoords* pointerCoords) {
+    MotionEntry* entry = mMotionEntryPool.alloc();
+    initializeEventEntry(entry, EventEntry::TYPE_MOTION, eventTime);
+
+    entry->eventTime = eventTime;
+    entry->deviceId = deviceId;
+    entry->source = source;
+    entry->policyFlags = policyFlags;
+    entry->action = action;
+    entry->metaState = metaState;
+    entry->edgeFlags = edgeFlags;
+    entry->xPrecision = xPrecision;
+    entry->yPrecision = yPrecision;
+    entry->downTime = downTime;
+    entry->pointerCount = pointerCount;
+    entry->firstSample.eventTime = eventTime;
+    entry->firstSample.next = NULL;
+    entry->lastSample = & entry->firstSample;
+    for (uint32_t i = 0; i < pointerCount; i++) {
+        entry->pointerIds[i] = pointerIds[i];
+        entry->firstSample.pointerCoords[i] = pointerCoords[i];
+    }
+    return entry;
+}
+
+InputDispatcher::DispatchEntry* InputDispatcher::Allocator::obtainDispatchEntry(
+        EventEntry* eventEntry) {
+    DispatchEntry* entry = mDispatchEntryPool.alloc();
+    entry->eventEntry = eventEntry;
+    eventEntry->refCount += 1;
+    return entry;
+}
+
+InputDispatcher::CommandEntry* InputDispatcher::Allocator::obtainCommandEntry(Command command) {
+    CommandEntry* entry = mCommandEntryPool.alloc();
+    entry->command = command;
+    return entry;
+}
+
+void InputDispatcher::Allocator::releaseEventEntry(EventEntry* entry) {
+    switch (entry->type) {
+    case EventEntry::TYPE_CONFIGURATION_CHANGED:
+        releaseConfigurationChangedEntry(static_cast<ConfigurationChangedEntry*>(entry));
+        break;
+    case EventEntry::TYPE_KEY:
+        releaseKeyEntry(static_cast<KeyEntry*>(entry));
+        break;
+    case EventEntry::TYPE_MOTION:
+        releaseMotionEntry(static_cast<MotionEntry*>(entry));
+        break;
+    default:
+        assert(false);
+        break;
+    }
+}
+
+void InputDispatcher::Allocator::releaseConfigurationChangedEntry(
+        ConfigurationChangedEntry* entry) {
+    entry->refCount -= 1;
+    if (entry->refCount == 0) {
+        mConfigurationChangeEntryPool.free(entry);
+    } else {
+        assert(entry->refCount > 0);
+    }
+}
+
+void InputDispatcher::Allocator::releaseKeyEntry(KeyEntry* entry) {
+    entry->refCount -= 1;
+    if (entry->refCount == 0) {
+        mKeyEntryPool.free(entry);
+    } else {
+        assert(entry->refCount > 0);
+    }
+}
+
+void InputDispatcher::Allocator::releaseMotionEntry(MotionEntry* entry) {
+    entry->refCount -= 1;
+    if (entry->refCount == 0) {
+        for (MotionSample* sample = entry->firstSample.next; sample != NULL; ) {
+            MotionSample* next = sample->next;
+            mMotionSamplePool.free(sample);
+            sample = next;
+        }
+        mMotionEntryPool.free(entry);
+    } else {
+        assert(entry->refCount > 0);
+    }
+}
+
+void InputDispatcher::Allocator::releaseDispatchEntry(DispatchEntry* entry) {
+    releaseEventEntry(entry->eventEntry);
+    mDispatchEntryPool.free(entry);
+}
+
+void InputDispatcher::Allocator::releaseCommandEntry(CommandEntry* entry) {
+    mCommandEntryPool.free(entry);
+}
+
+void InputDispatcher::Allocator::appendMotionSample(MotionEntry* motionEntry,
+        nsecs_t eventTime, const PointerCoords* pointerCoords) {
+    MotionSample* sample = mMotionSamplePool.alloc();
+    sample->eventTime = eventTime;
+    uint32_t pointerCount = motionEntry->pointerCount;
+    for (uint32_t i = 0; i < pointerCount; i++) {
+        sample->pointerCoords[i] = pointerCoords[i];
+    }
+
+    sample->next = NULL;
+    motionEntry->lastSample->next = sample;
+    motionEntry->lastSample = sample;
+}
+
+// --- InputDispatcher::Connection ---
+
+InputDispatcher::Connection::Connection(const sp<InputChannel>& inputChannel) :
+        status(STATUS_NORMAL), inputChannel(inputChannel), inputPublisher(inputChannel),
+        nextTimeoutTime(LONG_LONG_MAX),
+        lastEventTime(LONG_LONG_MAX), lastDispatchTime(LONG_LONG_MAX),
+        lastANRTime(LONG_LONG_MAX) {
+}
+
+InputDispatcher::Connection::~Connection() {
+}
+
+status_t InputDispatcher::Connection::initialize() {
+    return inputPublisher.initialize();
+}
+
+void InputDispatcher::Connection::setNextTimeoutTime(nsecs_t currentTime, nsecs_t timeout) {
+    nextTimeoutTime = (timeout >= 0) ? currentTime + timeout : LONG_LONG_MAX;
+}
+
+const char* InputDispatcher::Connection::getStatusLabel() const {
+    switch (status) {
+    case STATUS_NORMAL:
+        return "NORMAL";
+
+    case STATUS_BROKEN:
+        return "BROKEN";
+
+    case STATUS_NOT_RESPONDING:
+        return "NOT_RESPONDING";
+
+    case STATUS_ZOMBIE:
+        return "ZOMBIE";
+
+    default:
+        return "UNKNOWN";
+    }
+}
+
+InputDispatcher::DispatchEntry* InputDispatcher::Connection::findQueuedDispatchEntryForEvent(
+        const EventEntry* eventEntry) const {
+    for (DispatchEntry* dispatchEntry = outboundQueue.tail.prev;
+            dispatchEntry != & outboundQueue.head; dispatchEntry = dispatchEntry->prev) {
+        if (dispatchEntry->eventEntry == eventEntry) {
+            return dispatchEntry;
+        }
+    }
+    return NULL;
+}
+
+// --- InputDispatcher::CommandEntry ---
+
+InputDispatcher::CommandEntry::CommandEntry() {
+}
+
+InputDispatcher::CommandEntry::~CommandEntry() {
+}
+
+
+// --- InputDispatcherThread ---
+
+InputDispatcherThread::InputDispatcherThread(const sp<InputDispatcherInterface>& dispatcher) :
+        Thread(/*canCallJava*/ true), mDispatcher(dispatcher) {
+}
+
+InputDispatcherThread::~InputDispatcherThread() {
+}
+
+bool InputDispatcherThread::threadLoop() {
+    mDispatcher->dispatchOnce();
+    return true;
+}
+
+} // namespace android
diff --git a/libs/ui/InputManager.cpp b/libs/ui/InputManager.cpp
new file mode 100644
index 0000000..e1d15a4
--- /dev/null
+++ b/libs/ui/InputManager.cpp
@@ -0,0 +1,114 @@
+//
+// Copyright 2010 The Android Open Source Project
+//
+// The input manager.
+//
+#define LOG_TAG "InputManager"
+
+//#define LOG_NDEBUG 0
+
+#include <cutils/log.h>
+#include <ui/InputManager.h>
+#include <ui/InputReader.h>
+#include <ui/InputDispatcher.h>
+
+namespace android {
+
+InputManager::InputManager(
+        const sp<EventHubInterface>& eventHub,
+        const sp<InputReaderPolicyInterface>& readerPolicy,
+        const sp<InputDispatcherPolicyInterface>& dispatcherPolicy) {
+    mDispatcher = new InputDispatcher(dispatcherPolicy);
+    mReader = new InputReader(eventHub, readerPolicy, mDispatcher);
+    initialize();
+}
+
+InputManager::InputManager(
+        const sp<InputReaderInterface>& reader,
+        const sp<InputDispatcherInterface>& dispatcher) :
+        mReader(reader),
+        mDispatcher(dispatcher) {
+    initialize();
+}
+
+InputManager::~InputManager() {
+    stop();
+}
+
+void InputManager::initialize() {
+    mReaderThread = new InputReaderThread(mReader);
+    mDispatcherThread = new InputDispatcherThread(mDispatcher);
+}
+
+status_t InputManager::start() {
+    status_t result = mDispatcherThread->run("InputDispatcher", PRIORITY_URGENT_DISPLAY);
+    if (result) {
+        LOGE("Could not start InputDispatcher thread due to error %d.", result);
+        return result;
+    }
+
+    result = mReaderThread->run("InputReader", PRIORITY_URGENT_DISPLAY);
+    if (result) {
+        LOGE("Could not start InputReader thread due to error %d.", result);
+
+        mDispatcherThread->requestExit();
+        return result;
+    }
+
+    return OK;
+}
+
+status_t InputManager::stop() {
+    status_t result = mReaderThread->requestExitAndWait();
+    if (result) {
+        LOGW("Could not stop InputReader thread due to error %d.", result);
+    }
+
+    result = mDispatcherThread->requestExitAndWait();
+    if (result) {
+        LOGW("Could not stop InputDispatcher thread due to error %d.", result);
+    }
+
+    return OK;
+}
+
+status_t InputManager::registerInputChannel(const sp<InputChannel>& inputChannel) {
+    return mDispatcher->registerInputChannel(inputChannel);
+}
+
+status_t InputManager::unregisterInputChannel(const sp<InputChannel>& inputChannel) {
+    return mDispatcher->unregisterInputChannel(inputChannel);
+}
+
+int32_t InputManager::injectInputEvent(const InputEvent* event,
+        int32_t injectorPid, int32_t injectorUid, bool sync, int32_t timeoutMillis) {
+    return mDispatcher->injectInputEvent(event, injectorPid, injectorUid, sync, timeoutMillis);
+}
+
+void InputManager::preemptInputDispatch() {
+    mDispatcher->preemptInputDispatch();
+}
+
+void InputManager::getInputConfiguration(InputConfiguration* outConfiguration) const {
+    mReader->getCurrentInputConfiguration(outConfiguration);
+}
+
+int32_t InputManager::getScanCodeState(int32_t deviceId, int32_t deviceClasses,
+        int32_t scanCode) const {
+    return mReader->getCurrentScanCodeState(deviceId, deviceClasses, scanCode);
+}
+
+int32_t InputManager::getKeyCodeState(int32_t deviceId, int32_t deviceClasses,
+        int32_t keyCode) const {
+    return mReader->getCurrentKeyCodeState(deviceId, deviceClasses, keyCode);
+}
+
+int32_t InputManager::getSwitchState(int32_t deviceId, int32_t deviceClasses, int32_t sw) const {
+    return mReader->getCurrentSwitchState(deviceId, deviceClasses, sw);
+}
+
+bool InputManager::hasKeys(size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) const {
+    return mReader->hasKeys(numCodes, keyCodes, outFlags);
+}
+
+} // namespace android
diff --git a/libs/ui/InputReader.cpp b/libs/ui/InputReader.cpp
new file mode 100644
index 0000000..30e391f
--- /dev/null
+++ b/libs/ui/InputReader.cpp
@@ -0,0 +1,1479 @@
+//
+// Copyright 2010 The Android Open Source Project
+//
+// The input reader.
+//
+#define LOG_TAG "InputReader"
+
+//#define LOG_NDEBUG 0
+
+// Log debug messages for each raw event received from the EventHub.
+#define DEBUG_RAW_EVENTS 0
+
+// Log debug messages about touch screen filtering hacks.
+#define DEBUG_HACKS 0
+
+// Log debug messages about virtual key processing.
+#define DEBUG_VIRTUAL_KEYS 0
+
+// Log debug messages about pointers.
+#define DEBUG_POINTERS 0
+
+// Log debug messages about pointer assignment calculations.
+#define DEBUG_POINTER_ASSIGNMENT 0
+
+#include <cutils/log.h>
+#include <ui/InputReader.h>
+
+#include <stddef.h>
+#include <unistd.h>
+#include <errno.h>
+#include <limits.h>
+#include <math.h>
+
+/** Amount that trackball needs to move in order to generate a key event. */
+#define TRACKBALL_MOVEMENT_THRESHOLD 6
+
+
+namespace android {
+
+// --- Static Functions ---
+
+template<typename T>
+inline static T abs(const T& value) {
+    return value < 0 ? - value : value;
+}
+
+template<typename T>
+inline static T min(const T& a, const T& b) {
+    return a < b ? a : b;
+}
+
+template<typename T>
+inline static void swap(T& a, T& b) {
+    T temp = a;
+    a = b;
+    b = temp;
+}
+
+
+int32_t updateMetaState(int32_t keyCode, bool down, int32_t oldMetaState) {
+    int32_t mask;
+    switch (keyCode) {
+    case AKEYCODE_ALT_LEFT:
+        mask = AMETA_ALT_LEFT_ON;
+        break;
+    case AKEYCODE_ALT_RIGHT:
+        mask = AMETA_ALT_RIGHT_ON;
+        break;
+    case AKEYCODE_SHIFT_LEFT:
+        mask = AMETA_SHIFT_LEFT_ON;
+        break;
+    case AKEYCODE_SHIFT_RIGHT:
+        mask = AMETA_SHIFT_RIGHT_ON;
+        break;
+    case AKEYCODE_SYM:
+        mask = AMETA_SYM_ON;
+        break;
+    default:
+        return oldMetaState;
+    }
+
+    int32_t newMetaState = down ? oldMetaState | mask : oldMetaState & ~ mask
+            & ~ (AMETA_ALT_ON | AMETA_SHIFT_ON);
+
+    if (newMetaState & (AMETA_ALT_LEFT_ON | AMETA_ALT_RIGHT_ON)) {
+        newMetaState |= AMETA_ALT_ON;
+    }
+
+    if (newMetaState & (AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_RIGHT_ON)) {
+        newMetaState |= AMETA_SHIFT_ON;
+    }
+
+    return newMetaState;
+}
+
+static const int32_t keyCodeRotationMap[][4] = {
+        // key codes enumerated counter-clockwise with the original (unrotated) key first
+        // no rotation,        90 degree rotation,  180 degree rotation, 270 degree rotation
+        { AKEYCODE_DPAD_DOWN,   AKEYCODE_DPAD_RIGHT,  AKEYCODE_DPAD_UP,     AKEYCODE_DPAD_LEFT },
+        { AKEYCODE_DPAD_RIGHT,  AKEYCODE_DPAD_UP,     AKEYCODE_DPAD_LEFT,   AKEYCODE_DPAD_DOWN },
+        { AKEYCODE_DPAD_UP,     AKEYCODE_DPAD_LEFT,   AKEYCODE_DPAD_DOWN,   AKEYCODE_DPAD_RIGHT },
+        { AKEYCODE_DPAD_LEFT,   AKEYCODE_DPAD_DOWN,   AKEYCODE_DPAD_RIGHT,  AKEYCODE_DPAD_UP },
+};
+static const int keyCodeRotationMapSize =
+        sizeof(keyCodeRotationMap) / sizeof(keyCodeRotationMap[0]);
+
+int32_t rotateKeyCode(int32_t keyCode, int32_t orientation) {
+    if (orientation != InputReaderPolicyInterface::ROTATION_0) {
+        for (int i = 0; i < keyCodeRotationMapSize; i++) {
+            if (keyCode == keyCodeRotationMap[i][0]) {
+                return keyCodeRotationMap[i][orientation];
+            }
+        }
+    }
+    return keyCode;
+}
+
+
+// --- InputReader ---
+
+InputReader::InputReader(const sp<EventHubInterface>& eventHub,
+        const sp<InputReaderPolicyInterface>& policy,
+        const sp<InputDispatcherInterface>& dispatcher) :
+        mEventHub(eventHub), mPolicy(policy), mDispatcher(dispatcher) {
+    configureExcludedDevices();
+    resetGlobalMetaState();
+    resetDisplayProperties();
+    updateExportedVirtualKeyState();
+}
+
+InputReader::~InputReader() {
+    for (size_t i = 0; i < mDevices.size(); i++) {
+        delete mDevices.valueAt(i);
+    }
+}
+
+void InputReader::loopOnce() {
+    RawEvent rawEvent;
+    mEventHub->getEvent(& rawEvent.deviceId, & rawEvent.type, & rawEvent.scanCode,
+            & rawEvent.keyCode, & rawEvent.flags, & rawEvent.value, & rawEvent.when);
+
+    // Replace the event timestamp so it is in same timebase as java.lang.System.nanoTime()
+    // and android.os.SystemClock.uptimeMillis() as expected by the rest of the system.
+    rawEvent.when = systemTime(SYSTEM_TIME_MONOTONIC);
+
+#if DEBUG_RAW_EVENTS
+    LOGD("Input event: device=0x%x type=0x%x scancode=%d keycode=%d value=%d",
+            rawEvent.deviceId, rawEvent.type, rawEvent.scanCode, rawEvent.keyCode,
+            rawEvent.value);
+#endif
+
+    process(& rawEvent);
+}
+
+void InputReader::process(const RawEvent* rawEvent) {
+    switch (rawEvent->type) {
+    case EventHubInterface::DEVICE_ADDED:
+        handleDeviceAdded(rawEvent);
+        break;
+
+    case EventHubInterface::DEVICE_REMOVED:
+        handleDeviceRemoved(rawEvent);
+        break;
+
+    case EV_SYN:
+        handleSync(rawEvent);
+        break;
+
+    case EV_KEY:
+        handleKey(rawEvent);
+        break;
+
+    case EV_REL:
+        handleRelativeMotion(rawEvent);
+        break;
+
+    case EV_ABS:
+        handleAbsoluteMotion(rawEvent);
+        break;
+
+    case EV_SW:
+        handleSwitch(rawEvent);
+        break;
+    }
+}
+
+void InputReader::handleDeviceAdded(const RawEvent* rawEvent) {
+    InputDevice* device = getDevice(rawEvent->deviceId);
+    if (device) {
+        LOGW("Ignoring spurious device added event for deviceId %d.", rawEvent->deviceId);
+        return;
+    }
+
+    addDevice(rawEvent->when, rawEvent->deviceId);
+}
+
+void InputReader::handleDeviceRemoved(const RawEvent* rawEvent) {
+    InputDevice* device = getDevice(rawEvent->deviceId);
+    if (! device) {
+        LOGW("Ignoring spurious device removed event for deviceId %d.", rawEvent->deviceId);
+        return;
+    }
+
+    removeDevice(rawEvent->when, device);
+}
+
+void InputReader::handleSync(const RawEvent* rawEvent) {
+    InputDevice* device = getNonIgnoredDevice(rawEvent->deviceId);
+    if (! device) return;
+
+    if (rawEvent->scanCode == SYN_MT_REPORT) {
+        // MultiTouch Sync: The driver has returned all data for *one* of the pointers.
+        // We drop pointers with pressure <= 0 since that indicates they are not down.
+        if (device->isMultiTouchScreen()) {
+            uint32_t pointerIndex = device->multiTouchScreen.accumulator.pointerCount;
+
+            if (device->multiTouchScreen.accumulator.pointers[pointerIndex].fields) {
+                if (pointerIndex == MAX_POINTERS) {
+                    LOGW("MultiTouch device driver returned more than maximum of %d pointers.",
+                            MAX_POINTERS);
+                } else {
+                    pointerIndex += 1;
+                    device->multiTouchScreen.accumulator.pointerCount = pointerIndex;
+                }
+            }
+
+            device->multiTouchScreen.accumulator.pointers[pointerIndex].clear();
+        }
+    } else if (rawEvent->scanCode == SYN_REPORT) {
+        // General Sync: The driver has returned all data for the current event update.
+        if (device->isMultiTouchScreen()) {
+            if (device->multiTouchScreen.accumulator.isDirty()) {
+                onMultiTouchScreenStateChanged(rawEvent->when, device);
+                device->multiTouchScreen.accumulator.clear();
+            }
+        } else if (device->isSingleTouchScreen()) {
+            if (device->singleTouchScreen.accumulator.isDirty()) {
+                onSingleTouchScreenStateChanged(rawEvent->when, device);
+                device->singleTouchScreen.accumulator.clear();
+            }
+        }
+
+        if (device->trackball.accumulator.isDirty()) {
+            onTrackballStateChanged(rawEvent->when, device);
+            device->trackball.accumulator.clear();
+        }
+    }
+}
+
+void InputReader::handleKey(const RawEvent* rawEvent) {
+    InputDevice* device = getNonIgnoredDevice(rawEvent->deviceId);
+    if (! device) return;
+
+    bool down = rawEvent->value != 0;
+    int32_t scanCode = rawEvent->scanCode;
+
+    if (device->isSingleTouchScreen()) {
+        switch (rawEvent->scanCode) {
+        case BTN_TOUCH:
+            device->singleTouchScreen.accumulator.fields |=
+                    InputDevice::SingleTouchScreenState::Accumulator::FIELD_BTN_TOUCH;
+            device->singleTouchScreen.accumulator.btnTouch = down;
+            return;
+        }
+    }
+
+    if (device->isTrackball()) {
+        switch (rawEvent->scanCode) {
+        case BTN_MOUSE:
+            device->trackball.accumulator.fields |=
+                    InputDevice::TrackballState::Accumulator::FIELD_BTN_MOUSE;
+            device->trackball.accumulator.btnMouse = down;
+
+            // Process the trackball change now since we may not receive a sync immediately.
+            onTrackballStateChanged(rawEvent->when, device);
+            device->trackball.accumulator.clear();
+            return;
+        }
+    }
+
+    if (device->isKeyboard()) {
+        int32_t keyCode = rawEvent->keyCode;
+        onKey(rawEvent->when, device, down, keyCode, scanCode, rawEvent->flags);
+    }
+}
+
+void InputReader::handleRelativeMotion(const RawEvent* rawEvent) {
+    InputDevice* device = getNonIgnoredDevice(rawEvent->deviceId);
+    if (! device) return;
+
+    if (device->isTrackball()) {
+        switch (rawEvent->scanCode) {
+        case REL_X:
+            device->trackball.accumulator.fields |=
+                    InputDevice::TrackballState::Accumulator::FIELD_REL_X;
+            device->trackball.accumulator.relX = rawEvent->value;
+            break;
+        case REL_Y:
+            device->trackball.accumulator.fields |=
+                    InputDevice::TrackballState::Accumulator::FIELD_REL_Y;
+            device->trackball.accumulator.relY = rawEvent->value;
+            break;
+        }
+    }
+}
+
+void InputReader::handleAbsoluteMotion(const RawEvent* rawEvent) {
+    InputDevice* device = getNonIgnoredDevice(rawEvent->deviceId);
+    if (! device) return;
+
+    if (device->isMultiTouchScreen()) {
+        uint32_t pointerIndex = device->multiTouchScreen.accumulator.pointerCount;
+        InputDevice::MultiTouchScreenState::Accumulator::Pointer* pointer =
+                & device->multiTouchScreen.accumulator.pointers[pointerIndex];
+
+        switch (rawEvent->scanCode) {
+        case ABS_MT_POSITION_X:
+            pointer->fields |=
+                    InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_POSITION_X;
+            pointer->absMTPositionX = rawEvent->value;
+            break;
+        case ABS_MT_POSITION_Y:
+            pointer->fields |=
+                    InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_POSITION_Y;
+            pointer->absMTPositionY = rawEvent->value;
+            break;
+        case ABS_MT_TOUCH_MAJOR:
+            pointer->fields |=
+                    InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_TOUCH_MAJOR;
+            pointer->absMTTouchMajor = rawEvent->value;
+            break;
+        case ABS_MT_TOUCH_MINOR:
+            pointer->fields |=
+                    InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_TOUCH_MINOR;
+            pointer->absMTTouchMinor = rawEvent->value;
+            break;
+        case ABS_MT_WIDTH_MAJOR:
+            pointer->fields |=
+                    InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_WIDTH_MAJOR;
+            pointer->absMTWidthMajor = rawEvent->value;
+            break;
+        case ABS_MT_WIDTH_MINOR:
+            pointer->fields |=
+                    InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_WIDTH_MINOR;
+            pointer->absMTWidthMinor = rawEvent->value;
+            break;
+        case ABS_MT_ORIENTATION:
+            pointer->fields |=
+                    InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_ORIENTATION;
+            pointer->absMTOrientation = rawEvent->value;
+            break;
+        case ABS_MT_TRACKING_ID:
+            pointer->fields |=
+                    InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_TRACKING_ID;
+            pointer->absMTTrackingId = rawEvent->value;
+            break;
+        }
+    } else if (device->isSingleTouchScreen()) {
+        switch (rawEvent->scanCode) {
+        case ABS_X:
+            device->singleTouchScreen.accumulator.fields |=
+                    InputDevice::SingleTouchScreenState::Accumulator::FIELD_ABS_X;
+            device->singleTouchScreen.accumulator.absX = rawEvent->value;
+            break;
+        case ABS_Y:
+            device->singleTouchScreen.accumulator.fields |=
+                    InputDevice::SingleTouchScreenState::Accumulator::FIELD_ABS_Y;
+            device->singleTouchScreen.accumulator.absY = rawEvent->value;
+            break;
+        case ABS_PRESSURE:
+            device->singleTouchScreen.accumulator.fields |=
+                    InputDevice::SingleTouchScreenState::Accumulator::FIELD_ABS_PRESSURE;
+            device->singleTouchScreen.accumulator.absPressure = rawEvent->value;
+            break;
+        case ABS_TOOL_WIDTH:
+            device->singleTouchScreen.accumulator.fields |=
+                    InputDevice::SingleTouchScreenState::Accumulator::FIELD_ABS_TOOL_WIDTH;
+            device->singleTouchScreen.accumulator.absToolWidth = rawEvent->value;
+            break;
+        }
+    }
+}
+
+void InputReader::handleSwitch(const RawEvent* rawEvent) {
+    InputDevice* device = getNonIgnoredDevice(rawEvent->deviceId);
+    if (! device) return;
+
+    onSwitch(rawEvent->when, device, rawEvent->scanCode, rawEvent->value);
+}
+
+void InputReader::onKey(nsecs_t when, InputDevice* device,
+        bool down, int32_t keyCode, int32_t scanCode, uint32_t policyFlags) {
+    /* Refresh display properties so we can rotate key codes according to display orientation */
+
+    if (! refreshDisplayProperties()) {
+        return;
+    }
+
+    /* Update device state */
+
+    int32_t oldMetaState = device->keyboard.current.metaState;
+    int32_t newMetaState = updateMetaState(keyCode, down, oldMetaState);
+    if (oldMetaState != newMetaState) {
+        device->keyboard.current.metaState = newMetaState;
+        resetGlobalMetaState();
+    }
+
+    // FIXME if we send a down event about a rotated key press we should ensure that we send
+    //       a corresponding up event about the rotated key press even if the orientation
+    //       has changed in the meantime
+    keyCode = rotateKeyCode(keyCode, mDisplayOrientation);
+
+    if (down) {
+        device->keyboard.current.downTime = when;
+    }
+
+    /* Apply policy */
+
+    int32_t policyActions = mPolicy->interceptKey(when, device->id,
+            down, keyCode, scanCode, policyFlags);
+
+    if (! applyStandardInputDispatchPolicyActions(when, policyActions, & policyFlags)) {
+        return; // event dropped
+    }
+
+    /* Enqueue key event for dispatch */
+
+    int32_t keyEventAction;
+    if (down) {
+        device->keyboard.current.downTime = when;
+        keyEventAction = AKEY_EVENT_ACTION_DOWN;
+    } else {
+        keyEventAction = AKEY_EVENT_ACTION_UP;
+    }
+
+    int32_t keyEventFlags = AKEY_EVENT_FLAG_FROM_SYSTEM;
+    if (policyActions & InputReaderPolicyInterface::ACTION_WOKE_HERE) {
+        keyEventFlags = keyEventFlags | AKEY_EVENT_FLAG_WOKE_HERE;
+    }
+
+    mDispatcher->notifyKey(when, device->id, AINPUT_SOURCE_KEYBOARD, policyFlags,
+            keyEventAction, keyEventFlags, keyCode, scanCode,
+            device->keyboard.current.metaState,
+            device->keyboard.current.downTime);
+}
+
+void InputReader::onSwitch(nsecs_t when, InputDevice* device, int32_t switchCode,
+        int32_t switchValue) {
+    int32_t policyActions = mPolicy->interceptSwitch(when, switchCode, switchValue);
+
+    uint32_t policyFlags = 0;
+    applyStandardInputDispatchPolicyActions(when, policyActions, & policyFlags);
+}
+
+void InputReader::onMultiTouchScreenStateChanged(nsecs_t when,
+        InputDevice* device) {
+    static const uint32_t REQUIRED_FIELDS =
+            InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_POSITION_X
+            | InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_POSITION_Y
+            | InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_TOUCH_MAJOR
+            | InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_WIDTH_MAJOR;
+
+    /* Refresh display properties so we can map touch screen coords into display coords */
+
+    if (! refreshDisplayProperties()) {
+        return;
+    }
+
+    /* Update device state */
+
+    InputDevice::MultiTouchScreenState* in = & device->multiTouchScreen;
+    InputDevice::TouchData* out = & device->touchScreen.currentTouch;
+
+    uint32_t inCount = in->accumulator.pointerCount;
+    uint32_t outCount = 0;
+    bool havePointerIds = true;
+
+    out->clear();
+
+    for (uint32_t inIndex = 0; inIndex < inCount; inIndex++) {
+        uint32_t fields = in->accumulator.pointers[inIndex].fields;
+
+        if ((fields & REQUIRED_FIELDS) != REQUIRED_FIELDS) {
+#if DEBUG_POINTERS
+            LOGD("Pointers: Missing required multitouch pointer fields: index=%d, fields=%d",
+                    inIndex, fields);
+            continue;
+#endif
+        }
+
+        if (in->accumulator.pointers[inIndex].absMTTouchMajor <= 0) {
+            // Pointer is not down.  Drop it.
+            continue;
+        }
+
+        out->pointers[outCount].x = in->accumulator.pointers[inIndex].absMTPositionX;
+        out->pointers[outCount].y = in->accumulator.pointers[inIndex].absMTPositionY;
+
+        out->pointers[outCount].touchMajor = in->accumulator.pointers[inIndex].absMTTouchMajor;
+        out->pointers[outCount].touchMinor = (fields
+                & InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_TOUCH_MINOR) != 0
+                ? in->accumulator.pointers[inIndex].absMTTouchMinor
+                        : in->accumulator.pointers[inIndex].absMTTouchMajor;
+
+        out->pointers[outCount].toolMajor = in->accumulator.pointers[inIndex].absMTWidthMajor;
+        out->pointers[outCount].toolMinor = (fields
+                & InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_WIDTH_MINOR) != 0
+                ? in->accumulator.pointers[inIndex].absMTWidthMinor
+                        : in->accumulator.pointers[inIndex].absMTWidthMajor;
+
+        out->pointers[outCount].orientation = (fields
+                & InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_ORIENTATION) != 0
+                ? in->accumulator.pointers[inIndex].absMTOrientation : 0;
+
+        // Derive an approximation of pressure and size.
+        // FIXME assignment of pressure may be incorrect, probably better to let
+        // pressure = touch / width.  Later on we pass width to MotionEvent as a size, which
+        // isn't quite right either.  Should be using touch for that.
+        out->pointers[outCount].pressure = in->accumulator.pointers[inIndex].absMTTouchMajor;
+        out->pointers[outCount].size = in->accumulator.pointers[inIndex].absMTWidthMajor;
+
+        if (havePointerIds) {
+            if (fields & InputDevice::MultiTouchScreenState::Accumulator::
+                    FIELD_ABS_MT_TRACKING_ID) {
+                uint32_t id = uint32_t(in->accumulator.pointers[inIndex].absMTTrackingId);
+
+                if (id > MAX_POINTER_ID) {
+#if DEBUG_POINTERS
+                    LOGD("Pointers: Ignoring driver provided pointer id %d because "
+                            "it is larger than max supported id %d for optimizations",
+                            id, MAX_POINTER_ID);
+#endif
+                    havePointerIds = false;
+                }
+                else {
+                    out->pointers[outCount].id = id;
+                    out->idToIndex[id] = outCount;
+                    out->idBits.markBit(id);
+                }
+            } else {
+                havePointerIds = false;
+            }
+        }
+
+        outCount += 1;
+    }
+
+    out->pointerCount = outCount;
+
+    onTouchScreenChanged(when, device, havePointerIds);
+}
+
+void InputReader::onSingleTouchScreenStateChanged(nsecs_t when,
+        InputDevice* device) {
+    /* Refresh display properties so we can map touch screen coords into display coords */
+
+    if (! refreshDisplayProperties()) {
+        return;
+    }
+
+    /* Update device state */
+
+    InputDevice::SingleTouchScreenState* in = & device->singleTouchScreen;
+    InputDevice::TouchData* out = & device->touchScreen.currentTouch;
+
+    uint32_t fields = in->accumulator.fields;
+
+    if (fields & InputDevice::SingleTouchScreenState::Accumulator::FIELD_BTN_TOUCH) {
+        in->current.down = in->accumulator.btnTouch;
+    }
+
+    if (fields & InputDevice::SingleTouchScreenState::Accumulator::FIELD_ABS_X) {
+        in->current.x = in->accumulator.absX;
+    }
+
+    if (fields & InputDevice::SingleTouchScreenState::Accumulator::FIELD_ABS_Y) {
+        in->current.y = in->accumulator.absY;
+    }
+
+    if (fields & InputDevice::SingleTouchScreenState::Accumulator::FIELD_ABS_PRESSURE) {
+        in->current.pressure = in->accumulator.absPressure;
+    }
+
+    if (fields & InputDevice::SingleTouchScreenState::Accumulator::FIELD_ABS_TOOL_WIDTH) {
+        in->current.size = in->accumulator.absToolWidth;
+    }
+
+    out->clear();
+
+    if (in->current.down) {
+        out->pointerCount = 1;
+        out->pointers[0].id = 0;
+        out->pointers[0].x = in->current.x;
+        out->pointers[0].y = in->current.y;
+        out->pointers[0].pressure = in->current.pressure;
+        out->pointers[0].size = in->current.size;
+        out->pointers[0].touchMajor = in->current.pressure;
+        out->pointers[0].touchMinor = in->current.pressure;
+        out->pointers[0].toolMajor = in->current.size;
+        out->pointers[0].toolMinor = in->current.size;
+        out->pointers[0].orientation = 0;
+        out->idToIndex[0] = 0;
+        out->idBits.markBit(0);
+    }
+
+    onTouchScreenChanged(when, device, true);
+}
+
+void InputReader::onTouchScreenChanged(nsecs_t when,
+        InputDevice* device, bool havePointerIds) {
+    /* Apply policy */
+
+    int32_t policyActions = mPolicy->interceptTouch(when);
+
+    uint32_t policyFlags = 0;
+    if (! applyStandardInputDispatchPolicyActions(when, policyActions, & policyFlags)) {
+        device->touchScreen.lastTouch.clear();
+        return; // event dropped
+    }
+
+    /* Preprocess pointer data */
+
+    if (device->touchScreen.parameters.useBadTouchFilter) {
+        if (device->touchScreen.applyBadTouchFilter()) {
+            havePointerIds = false;
+        }
+    }
+
+    if (device->touchScreen.parameters.useJumpyTouchFilter) {
+        if (device->touchScreen.applyJumpyTouchFilter()) {
+            havePointerIds = false;
+        }
+    }
+
+    if (! havePointerIds) {
+        device->touchScreen.calculatePointerIds();
+    }
+
+    InputDevice::TouchData temp;
+    InputDevice::TouchData* savedTouch;
+    if (device->touchScreen.parameters.useAveragingTouchFilter) {
+        temp.copyFrom(device->touchScreen.currentTouch);
+        savedTouch = & temp;
+
+        device->touchScreen.applyAveragingTouchFilter();
+    } else {
+        savedTouch = & device->touchScreen.currentTouch;
+    }
+
+    /* Process virtual keys or touches */
+
+    if (! consumeVirtualKeyTouches(when, device, policyFlags)) {
+        dispatchTouches(when, device, policyFlags);
+    }
+
+    // Copy current touch to last touch in preparation for the next cycle.
+    device->touchScreen.lastTouch.copyFrom(*savedTouch);
+}
+
+bool InputReader::consumeVirtualKeyTouches(nsecs_t when,
+        InputDevice* device, uint32_t policyFlags) {
+    switch (device->touchScreen.currentVirtualKey.status) {
+    case InputDevice::TouchScreenState::CurrentVirtualKeyState::STATUS_CANCELED:
+        if (device->touchScreen.currentTouch.pointerCount == 0) {
+            // Pointer went up after virtual key canceled.
+            device->touchScreen.currentVirtualKey.status =
+                    InputDevice::TouchScreenState::CurrentVirtualKeyState::STATUS_UP;
+        }
+        return true; // consumed
+
+    case InputDevice::TouchScreenState::CurrentVirtualKeyState::STATUS_DOWN:
+        if (device->touchScreen.currentTouch.pointerCount == 0) {
+            // Pointer went up while virtual key was down.
+            device->touchScreen.currentVirtualKey.status =
+                    InputDevice::TouchScreenState::CurrentVirtualKeyState::STATUS_UP;
+#if DEBUG_VIRTUAL_KEYS
+            LOGD("VirtualKeys: Generating key up: keyCode=%d, scanCode=%d",
+                    device->touchScreen.currentVirtualKey.keyCode,
+                    device->touchScreen.currentVirtualKey.scanCode);
+#endif
+            dispatchVirtualKey(when, device, policyFlags, AKEY_EVENT_ACTION_UP,
+                    AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY);
+            return true; // consumed
+        }
+
+        if (device->touchScreen.currentTouch.pointerCount == 1) {
+            const InputDevice::VirtualKey* virtualKey = device->touchScreen.findVirtualKeyHit();
+            if (virtualKey
+                    && virtualKey->keyCode == device->touchScreen.currentVirtualKey.keyCode) {
+                // Pointer is still within the space of the virtual key.
+                return true; // consumed
+            }
+        }
+
+        // Pointer left virtual key area or another pointer also went down.
+        // Send key cancellation.
+        device->touchScreen.currentVirtualKey.status =
+                InputDevice::TouchScreenState::CurrentVirtualKeyState::STATUS_CANCELED;
+#if DEBUG_VIRTUAL_KEYS
+        LOGD("VirtualKeys: Canceling key: keyCode=%d, scanCode=%d",
+                device->touchScreen.currentVirtualKey.keyCode,
+                device->touchScreen.currentVirtualKey.scanCode);
+#endif
+        dispatchVirtualKey(when, device, policyFlags, AKEY_EVENT_ACTION_UP,
+                AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY
+                        | AKEY_EVENT_FLAG_CANCELED);
+        return true; // consumed
+
+    default:
+        if (device->touchScreen.currentTouch.pointerCount == 1
+                && device->touchScreen.lastTouch.pointerCount == 0) {
+            // Pointer just went down.  Check for virtual key hit.
+            const InputDevice::VirtualKey* virtualKey = device->touchScreen.findVirtualKeyHit();
+            if (virtualKey) {
+                device->touchScreen.currentVirtualKey.status =
+                        InputDevice::TouchScreenState::CurrentVirtualKeyState::STATUS_DOWN;
+                device->touchScreen.currentVirtualKey.downTime = when;
+                device->touchScreen.currentVirtualKey.keyCode = virtualKey->keyCode;
+                device->touchScreen.currentVirtualKey.scanCode = virtualKey->scanCode;
+#if DEBUG_VIRTUAL_KEYS
+                LOGD("VirtualKeys: Generating key down: keyCode=%d, scanCode=%d",
+                        device->touchScreen.currentVirtualKey.keyCode,
+                        device->touchScreen.currentVirtualKey.scanCode);
+#endif
+                dispatchVirtualKey(when, device, policyFlags, AKEY_EVENT_ACTION_DOWN,
+                        AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY);
+                return true; // consumed
+            }
+        }
+        return false; // not consumed
+    }
+}
+
+void InputReader::dispatchVirtualKey(nsecs_t when,
+        InputDevice* device, uint32_t policyFlags,
+        int32_t keyEventAction, int32_t keyEventFlags) {
+    updateExportedVirtualKeyState();
+
+    int32_t keyCode = device->touchScreen.currentVirtualKey.keyCode;
+    int32_t scanCode = device->touchScreen.currentVirtualKey.scanCode;
+    nsecs_t downTime = device->touchScreen.currentVirtualKey.downTime;
+    int32_t metaState = globalMetaState();
+
+    if (keyEventAction == AKEY_EVENT_ACTION_DOWN) {
+        mPolicy->virtualKeyDownFeedback();
+    }
+
+    int32_t policyActions = mPolicy->interceptKey(when, device->id,
+            keyEventAction == AKEY_EVENT_ACTION_DOWN, keyCode, scanCode, policyFlags);
+
+    if (applyStandardInputDispatchPolicyActions(when, policyActions, & policyFlags)) {
+        mDispatcher->notifyKey(when, device->id, AINPUT_SOURCE_KEYBOARD, policyFlags,
+                keyEventAction, keyEventFlags, keyCode, scanCode, metaState, downTime);
+    }
+}
+
+void InputReader::dispatchTouches(nsecs_t when,
+        InputDevice* device, uint32_t policyFlags) {
+    uint32_t currentPointerCount = device->touchScreen.currentTouch.pointerCount;
+    uint32_t lastPointerCount = device->touchScreen.lastTouch.pointerCount;
+    if (currentPointerCount == 0 && lastPointerCount == 0) {
+        return; // nothing to do!
+    }
+
+    BitSet32 currentIdBits = device->touchScreen.currentTouch.idBits;
+    BitSet32 lastIdBits = device->touchScreen.lastTouch.idBits;
+
+    if (currentIdBits == lastIdBits) {
+        // No pointer id changes so this is a move event.
+        // The dispatcher takes care of batching moves so we don't have to deal with that here.
+        int32_t motionEventAction = AMOTION_EVENT_ACTION_MOVE;
+        dispatchTouch(when, device, policyFlags, & device->touchScreen.currentTouch,
+                currentIdBits, -1, motionEventAction);
+    } else {
+        // There may be pointers going up and pointers going down at the same time when pointer
+        // ids are reported by the device driver.
+        BitSet32 upIdBits(lastIdBits.value & ~ currentIdBits.value);
+        BitSet32 downIdBits(currentIdBits.value & ~ lastIdBits.value);
+        BitSet32 activeIdBits(lastIdBits.value);
+
+        while (! upIdBits.isEmpty()) {
+            uint32_t upId = upIdBits.firstMarkedBit();
+            upIdBits.clearBit(upId);
+            BitSet32 oldActiveIdBits = activeIdBits;
+            activeIdBits.clearBit(upId);
+
+            int32_t motionEventAction;
+            if (activeIdBits.isEmpty()) {
+                motionEventAction = AMOTION_EVENT_ACTION_UP;
+            } else {
+                motionEventAction = AMOTION_EVENT_ACTION_POINTER_UP;
+            }
+
+            dispatchTouch(when, device, policyFlags, & device->touchScreen.lastTouch,
+                    oldActiveIdBits, upId, motionEventAction);
+        }
+
+        while (! downIdBits.isEmpty()) {
+            uint32_t downId = downIdBits.firstMarkedBit();
+            downIdBits.clearBit(downId);
+            BitSet32 oldActiveIdBits = activeIdBits;
+            activeIdBits.markBit(downId);
+
+            int32_t motionEventAction;
+            if (oldActiveIdBits.isEmpty()) {
+                motionEventAction = AMOTION_EVENT_ACTION_DOWN;
+                device->touchScreen.downTime = when;
+            } else {
+                motionEventAction = AMOTION_EVENT_ACTION_POINTER_DOWN;
+            }
+
+            dispatchTouch(when, device, policyFlags, & device->touchScreen.currentTouch,
+                    activeIdBits, downId, motionEventAction);
+        }
+    }
+}
+
+void InputReader::dispatchTouch(nsecs_t when, InputDevice* device, uint32_t policyFlags,
+        InputDevice::TouchData* touch, BitSet32 idBits, uint32_t changedId,
+        int32_t motionEventAction) {
+    int32_t orientedWidth, orientedHeight;
+    switch (mDisplayOrientation) {
+    case InputReaderPolicyInterface::ROTATION_90:
+    case InputReaderPolicyInterface::ROTATION_270:
+        orientedWidth = mDisplayHeight;
+        orientedHeight = mDisplayWidth;
+        break;
+    default:
+        orientedWidth = mDisplayWidth;
+        orientedHeight = mDisplayHeight;
+        break;
+    }
+
+    uint32_t pointerCount = 0;
+    int32_t pointerIds[MAX_POINTERS];
+    PointerCoords pointerCoords[MAX_POINTERS];
+
+    const InputDevice::TouchScreenState::Precalculated& precalculated =
+            device->touchScreen.precalculated;
+
+    // Walk through the the active pointers and map touch screen coordinates (TouchData) into
+    // display coordinates (PointerCoords) and adjust for display orientation.
+    while (! idBits.isEmpty()) {
+        uint32_t id = idBits.firstMarkedBit();
+        idBits.clearBit(id);
+        uint32_t index = touch->idToIndex[id];
+
+        float x = float(touch->pointers[index].x
+                - precalculated.xOrigin) * precalculated.xScale;
+        float y = float(touch->pointers[index].y
+                - precalculated.yOrigin) * precalculated.yScale;
+        float pressure = float(touch->pointers[index].pressure
+                - precalculated.pressureOrigin) * precalculated.pressureScale;
+        float size = float(touch->pointers[index].size
+                - precalculated.sizeOrigin) * precalculated.sizeScale;
+
+        float orientation = float(touch->pointers[index].orientation)
+                * precalculated.orientationScale;
+
+        bool vertical = abs(orientation) <= M_PI / 8;
+
+        switch (mDisplayOrientation) {
+        case InputReaderPolicyInterface::ROTATION_90: {
+            float xTemp = x;
+            x = y;
+            y = mDisplayWidth - xTemp;
+            vertical = ! vertical;
+            break;
+        }
+        case InputReaderPolicyInterface::ROTATION_180: {
+            x = mDisplayWidth - x;
+            y = mDisplayHeight - y;
+            break;
+        }
+        case InputReaderPolicyInterface::ROTATION_270: {
+            float xTemp = x;
+            x = mDisplayHeight - y;
+            y = xTemp;
+            vertical = ! vertical;
+            break;
+        }
+        }
+
+        float touchMajor, touchMinor, toolMajor, toolMinor;
+        if (vertical) {
+            touchMajor = float(touch->pointers[index].touchMajor) * precalculated.yScale;
+            touchMinor = float(touch->pointers[index].touchMinor) * precalculated.xScale;
+            toolMajor = float(touch->pointers[index].toolMajor) * precalculated.yScale;
+            toolMinor = float(touch->pointers[index].toolMinor) * precalculated.xScale;
+        } else {
+            touchMajor = float(touch->pointers[index].touchMajor) * precalculated.xScale;
+            touchMinor = float(touch->pointers[index].touchMinor) * precalculated.yScale;
+            toolMajor = float(touch->pointers[index].toolMajor) * precalculated.xScale;
+            toolMinor = float(touch->pointers[index].toolMinor) * precalculated.yScale;
+        }
+
+        pointerIds[pointerCount] = int32_t(id);
+
+        pointerCoords[pointerCount].x = x;
+        pointerCoords[pointerCount].y = y;
+        pointerCoords[pointerCount].pressure = pressure;
+        pointerCoords[pointerCount].size = size;
+        pointerCoords[pointerCount].touchMajor = touchMajor;
+        pointerCoords[pointerCount].touchMinor = touchMinor;
+        pointerCoords[pointerCount].toolMajor = toolMajor;
+        pointerCoords[pointerCount].toolMinor = toolMinor;
+        pointerCoords[pointerCount].orientation = orientation;
+
+        if (id == changedId) {
+            motionEventAction |= pointerCount << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
+        }
+
+        pointerCount += 1;
+    }
+
+    // Check edge flags by looking only at the first pointer since the flags are
+    // global to the event.
+    int32_t motionEventEdgeFlags = 0;
+    if (motionEventAction == AMOTION_EVENT_ACTION_DOWN) {
+        if (pointerCoords[0].x <= 0) {
+            motionEventEdgeFlags |= AMOTION_EVENT_EDGE_FLAG_LEFT;
+        } else if (pointerCoords[0].x >= orientedWidth) {
+            motionEventEdgeFlags |= AMOTION_EVENT_EDGE_FLAG_RIGHT;
+        }
+        if (pointerCoords[0].y <= 0) {
+            motionEventEdgeFlags |= AMOTION_EVENT_EDGE_FLAG_TOP;
+        } else if (pointerCoords[0].y >= orientedHeight) {
+            motionEventEdgeFlags |= AMOTION_EVENT_EDGE_FLAG_BOTTOM;
+        }
+    }
+
+    nsecs_t downTime = device->touchScreen.downTime;
+    mDispatcher->notifyMotion(when, device->id, AINPUT_SOURCE_TOUCHSCREEN, policyFlags,
+            motionEventAction, globalMetaState(), motionEventEdgeFlags,
+            pointerCount, pointerIds, pointerCoords,
+            0, 0, downTime);
+}
+
+void InputReader::onTrackballStateChanged(nsecs_t when,
+        InputDevice* device) {
+    static const uint32_t DELTA_FIELDS =
+            InputDevice::TrackballState::Accumulator::FIELD_REL_X
+            | InputDevice::TrackballState::Accumulator::FIELD_REL_Y;
+
+    /* Refresh display properties so we can trackball moves according to display orientation */
+
+    if (! refreshDisplayProperties()) {
+        return;
+    }
+
+    /* Update device state */
+
+    uint32_t fields = device->trackball.accumulator.fields;
+    bool downChanged = fields & InputDevice::TrackballState::Accumulator::FIELD_BTN_MOUSE;
+    bool deltaChanged = fields & DELTA_FIELDS;
+
+    bool down;
+    if (downChanged) {
+        if (device->trackball.accumulator.btnMouse) {
+            device->trackball.current.down = true;
+            device->trackball.current.downTime = when;
+            down = true;
+        } else {
+            device->trackball.current.down = false;
+            down = false;
+        }
+    } else {
+        down = device->trackball.current.down;
+    }
+
+    /* Apply policy */
+
+    int32_t policyActions = mPolicy->interceptTrackball(when, downChanged, down, deltaChanged);
+
+    uint32_t policyFlags = 0;
+    if (! applyStandardInputDispatchPolicyActions(when, policyActions, & policyFlags)) {
+        return; // event dropped
+    }
+
+    /* Enqueue motion event for dispatch */
+
+    int32_t motionEventAction;
+    if (downChanged) {
+        motionEventAction = down ? AMOTION_EVENT_ACTION_DOWN : AMOTION_EVENT_ACTION_UP;
+    } else {
+        motionEventAction = AMOTION_EVENT_ACTION_MOVE;
+    }
+
+    int32_t pointerId = 0;
+    PointerCoords pointerCoords;
+    pointerCoords.x = fields & InputDevice::TrackballState::Accumulator::FIELD_REL_X
+            ? device->trackball.accumulator.relX * device->trackball.precalculated.xScale : 0;
+    pointerCoords.y = fields & InputDevice::TrackballState::Accumulator::FIELD_REL_Y
+            ? device->trackball.accumulator.relY * device->trackball.precalculated.yScale : 0;
+    pointerCoords.pressure = 1.0f; // XXX Consider making this 1.0f if down, 0 otherwise.
+    pointerCoords.size = 0;
+    pointerCoords.touchMajor = 0;
+    pointerCoords.touchMinor = 0;
+    pointerCoords.toolMajor = 0;
+    pointerCoords.toolMinor = 0;
+    pointerCoords.orientation = 0;
+
+    float temp;
+    switch (mDisplayOrientation) {
+    case InputReaderPolicyInterface::ROTATION_90:
+        temp = pointerCoords.x;
+        pointerCoords.x = pointerCoords.y;
+        pointerCoords.y = - temp;
+        break;
+
+    case InputReaderPolicyInterface::ROTATION_180:
+        pointerCoords.x = - pointerCoords.x;
+        pointerCoords.y = - pointerCoords.y;
+        break;
+
+    case InputReaderPolicyInterface::ROTATION_270:
+        temp = pointerCoords.x;
+        pointerCoords.x = - pointerCoords.y;
+        pointerCoords.y = temp;
+        break;
+    }
+
+    mDispatcher->notifyMotion(when, device->id, AINPUT_SOURCE_TRACKBALL, policyFlags,
+            motionEventAction, globalMetaState(), AMOTION_EVENT_EDGE_FLAG_NONE,
+            1, & pointerId, & pointerCoords,
+            device->trackball.precalculated.xPrecision,
+            device->trackball.precalculated.yPrecision,
+            device->trackball.current.downTime);
+}
+
+void InputReader::onConfigurationChanged(nsecs_t when) {
+    // Reset global meta state because it depends on the list of all configured devices.
+    resetGlobalMetaState();
+
+    // Reset virtual keys, just in case.
+    updateExportedVirtualKeyState();
+
+    // Update input configuration.
+    updateExportedInputConfiguration();
+
+    // Enqueue configuration changed.
+    mDispatcher->notifyConfigurationChanged(when);
+}
+
+bool InputReader::applyStandardInputDispatchPolicyActions(nsecs_t when,
+        int32_t policyActions, uint32_t* policyFlags) {
+    if (policyActions & InputReaderPolicyInterface::ACTION_APP_SWITCH_COMING) {
+        mDispatcher->notifyAppSwitchComing(when);
+    }
+
+    if (policyActions & InputReaderPolicyInterface::ACTION_WOKE_HERE) {
+        *policyFlags |= POLICY_FLAG_WOKE_HERE;
+    }
+
+    if (policyActions & InputReaderPolicyInterface::ACTION_BRIGHT_HERE) {
+        *policyFlags |= POLICY_FLAG_BRIGHT_HERE;
+    }
+
+    return policyActions & InputReaderPolicyInterface::ACTION_DISPATCH;
+}
+
+void InputReader::resetDisplayProperties() {
+    mDisplayWidth = mDisplayHeight = -1;
+    mDisplayOrientation = -1;
+}
+
+bool InputReader::refreshDisplayProperties() {
+    int32_t newWidth, newHeight, newOrientation;
+    if (mPolicy->getDisplayInfo(0, & newWidth, & newHeight, & newOrientation)) {
+        if (newWidth != mDisplayWidth || newHeight != mDisplayHeight) {
+            LOGD("Display size changed from %dx%d to %dx%d, updating device configuration",
+                    mDisplayWidth, mDisplayHeight, newWidth, newHeight);
+
+            mDisplayWidth = newWidth;
+            mDisplayHeight = newHeight;
+
+            for (size_t i = 0; i < mDevices.size(); i++) {
+                configureDeviceForCurrentDisplaySize(mDevices.valueAt(i));
+            }
+        }
+
+        if (newOrientation != mDisplayOrientation) {
+            LOGD("Display orientation changed to %d", mDisplayOrientation);
+
+            mDisplayOrientation = newOrientation;
+        }
+        return true;
+    } else {
+        resetDisplayProperties();
+        return false;
+    }
+}
+
+InputDevice* InputReader::getDevice(int32_t deviceId) {
+    ssize_t index = mDevices.indexOfKey(deviceId);
+    return index >= 0 ? mDevices.valueAt((size_t) index) : NULL;
+}
+
+InputDevice* InputReader::getNonIgnoredDevice(int32_t deviceId) {
+    InputDevice* device = getDevice(deviceId);
+    return device && ! device->ignored ? device : NULL;
+}
+
+void InputReader::addDevice(nsecs_t when, int32_t deviceId) {
+    uint32_t classes = mEventHub->getDeviceClasses(deviceId);
+    String8 name = mEventHub->getDeviceName(deviceId);
+    InputDevice* device = new InputDevice(deviceId, classes, name);
+
+    if (classes != 0) {
+        LOGI("Device added: id=0x%x, name=%s, classes=%02x", device->id,
+                device->name.string(), device->classes);
+
+        configureDevice(device);
+    } else {
+        LOGI("Device added: id=0x%x, name=%s (ignored non-input device)", device->id,
+                device->name.string());
+
+        device->ignored = true;
+    }
+
+    device->reset();
+
+    mDevices.add(deviceId, device);
+
+    if (! device->ignored) {
+        onConfigurationChanged(when);
+    }
+}
+
+void InputReader::removeDevice(nsecs_t when, InputDevice* device) {
+    mDevices.removeItem(device->id);
+
+    if (! device->ignored) {
+        LOGI("Device removed: id=0x%x, name=%s, classes=%02x", device->id,
+                device->name.string(), device->classes);
+
+        onConfigurationChanged(when);
+    } else {
+        LOGI("Device removed: id=0x%x, name=%s (ignored non-input device)", device->id,
+                device->name.string());
+    }
+
+    delete device;
+}
+
+void InputReader::configureDevice(InputDevice* device) {
+    if (device->isMultiTouchScreen()) {
+        configureAbsoluteAxisInfo(device, ABS_MT_POSITION_X, "X",
+                & device->touchScreen.parameters.xAxis);
+        configureAbsoluteAxisInfo(device, ABS_MT_POSITION_Y, "Y",
+                & device->touchScreen.parameters.yAxis);
+        configureAbsoluteAxisInfo(device, ABS_MT_TOUCH_MAJOR, "Pressure",
+                & device->touchScreen.parameters.pressureAxis);
+        configureAbsoluteAxisInfo(device, ABS_MT_WIDTH_MAJOR, "Size",
+                & device->touchScreen.parameters.sizeAxis);
+        configureAbsoluteAxisInfo(device, ABS_MT_ORIENTATION, "Orientation",
+                & device->touchScreen.parameters.orientationAxis);
+    } else if (device->isSingleTouchScreen()) {
+        configureAbsoluteAxisInfo(device, ABS_X, "X",
+                & device->touchScreen.parameters.xAxis);
+        configureAbsoluteAxisInfo(device, ABS_Y, "Y",
+                & device->touchScreen.parameters.yAxis);
+        configureAbsoluteAxisInfo(device, ABS_PRESSURE, "Pressure",
+                & device->touchScreen.parameters.pressureAxis);
+        configureAbsoluteAxisInfo(device, ABS_TOOL_WIDTH, "Size",
+                & device->touchScreen.parameters.sizeAxis);
+        device->touchScreen.parameters.orientationAxis.valid = false;
+    }
+
+    if (device->isTouchScreen()) {
+        device->touchScreen.parameters.useBadTouchFilter =
+                mPolicy->filterTouchEvents();
+        device->touchScreen.parameters.useAveragingTouchFilter =
+                mPolicy->filterTouchEvents();
+        device->touchScreen.parameters.useJumpyTouchFilter =
+                mPolicy->filterJumpyTouchEvents();
+
+        if (device->touchScreen.parameters.pressureAxis.valid) {
+            device->touchScreen.precalculated.pressureOrigin =
+                    device->touchScreen.parameters.pressureAxis.minValue;
+            device->touchScreen.precalculated.pressureScale =
+                    1.0f / device->touchScreen.parameters.pressureAxis.range;
+        } else {
+            device->touchScreen.precalculated.pressureOrigin = 0;
+            device->touchScreen.precalculated.pressureScale = 1.0f;
+        }
+
+        if (device->touchScreen.parameters.sizeAxis.valid) {
+            device->touchScreen.precalculated.sizeOrigin =
+                    device->touchScreen.parameters.sizeAxis.minValue;
+            device->touchScreen.precalculated.sizeScale =
+                    1.0f / device->touchScreen.parameters.sizeAxis.range;
+        } else {
+            device->touchScreen.precalculated.sizeOrigin = 0;
+            device->touchScreen.precalculated.sizeScale = 1.0f;
+        }
+
+        if (device->touchScreen.parameters.orientationAxis.valid
+                && device->touchScreen.parameters.orientationAxis.maxValue > 0) {
+            device->touchScreen.precalculated.orientationScale =
+                    M_PI_4 / device->touchScreen.parameters.orientationAxis.maxValue;
+        } else {
+            device->touchScreen.precalculated.orientationScale = 0.0f;
+        }
+    }
+
+    if (device->isTrackball()) {
+        device->trackball.precalculated.xPrecision = TRACKBALL_MOVEMENT_THRESHOLD;
+        device->trackball.precalculated.yPrecision = TRACKBALL_MOVEMENT_THRESHOLD;
+        device->trackball.precalculated.xScale = 1.0f / TRACKBALL_MOVEMENT_THRESHOLD;
+        device->trackball.precalculated.yScale = 1.0f / TRACKBALL_MOVEMENT_THRESHOLD;
+    }
+
+    configureDeviceForCurrentDisplaySize(device);
+}
+
+void InputReader::configureDeviceForCurrentDisplaySize(InputDevice* device) {
+    if (device->isTouchScreen()) {
+        if (device->touchScreen.parameters.xAxis.valid
+                && device->touchScreen.parameters.yAxis.valid) {
+            device->touchScreen.precalculated.xOrigin =
+                    device->touchScreen.parameters.xAxis.minValue;
+            device->touchScreen.precalculated.yOrigin =
+                    device->touchScreen.parameters.yAxis.minValue;
+
+            if (mDisplayWidth < 0) {
+                LOGD("Skipping part of touch screen configuration since display size is unknown.");
+
+                device->touchScreen.precalculated.xScale = 1.0f;
+                device->touchScreen.precalculated.yScale = 1.0f;
+            } else {
+                LOGI("Device configured: id=0x%x, name=%s (display size was changed)", device->id,
+                        device->name.string());
+
+                device->touchScreen.precalculated.xScale =
+                        float(mDisplayWidth) / device->touchScreen.parameters.xAxis.range;
+                device->touchScreen.precalculated.yScale =
+                        float(mDisplayHeight) / device->touchScreen.parameters.yAxis.range;
+
+                configureVirtualKeys(device);
+            }
+        } else {
+            device->touchScreen.precalculated.xOrigin = 0;
+            device->touchScreen.precalculated.xScale = 1.0f;
+            device->touchScreen.precalculated.yOrigin = 0;
+            device->touchScreen.precalculated.yScale = 1.0f;
+        }
+    }
+}
+
+void InputReader::configureVirtualKeys(InputDevice* device) {
+    assert(device->touchScreen.parameters.xAxis.valid
+            && device->touchScreen.parameters.yAxis.valid);
+
+    device->touchScreen.virtualKeys.clear();
+
+    Vector<InputReaderPolicyInterface::VirtualKeyDefinition> virtualKeyDefinitions;
+    mPolicy->getVirtualKeyDefinitions(device->name, virtualKeyDefinitions);
+    if (virtualKeyDefinitions.size() == 0) {
+        return;
+    }
+
+    device->touchScreen.virtualKeys.setCapacity(virtualKeyDefinitions.size());
+
+    int32_t touchScreenLeft = device->touchScreen.parameters.xAxis.minValue;
+    int32_t touchScreenTop = device->touchScreen.parameters.yAxis.minValue;
+    int32_t touchScreenWidth = device->touchScreen.parameters.xAxis.range;
+    int32_t touchScreenHeight = device->touchScreen.parameters.yAxis.range;
+
+    for (size_t i = 0; i < virtualKeyDefinitions.size(); i++) {
+        const InputReaderPolicyInterface::VirtualKeyDefinition& virtualKeyDefinition =
+                virtualKeyDefinitions[i];
+
+        device->touchScreen.virtualKeys.add();
+        InputDevice::VirtualKey& virtualKey =
+                device->touchScreen.virtualKeys.editTop();
+
+        virtualKey.scanCode = virtualKeyDefinition.scanCode;
+        int32_t keyCode;
+        uint32_t flags;
+        if (mEventHub->scancodeToKeycode(device->id, virtualKey.scanCode,
+                & keyCode, & flags)) {
+            LOGW("  VirtualKey %d: could not obtain key code, ignoring", virtualKey.scanCode);
+            device->touchScreen.virtualKeys.pop(); // drop the key
+            continue;
+        }
+
+        virtualKey.keyCode = keyCode;
+        virtualKey.flags = flags;
+
+        // convert the key definition's display coordinates into touch coordinates for a hit box
+        int32_t halfWidth = virtualKeyDefinition.width / 2;
+        int32_t halfHeight = virtualKeyDefinition.height / 2;
+
+        virtualKey.hitLeft = (virtualKeyDefinition.centerX - halfWidth)
+                * touchScreenWidth / mDisplayWidth + touchScreenLeft;
+        virtualKey.hitRight= (virtualKeyDefinition.centerX + halfWidth)
+                * touchScreenWidth / mDisplayWidth + touchScreenLeft;
+        virtualKey.hitTop = (virtualKeyDefinition.centerY - halfHeight)
+                * touchScreenHeight / mDisplayHeight + touchScreenTop;
+        virtualKey.hitBottom = (virtualKeyDefinition.centerY + halfHeight)
+                * touchScreenHeight / mDisplayHeight + touchScreenTop;
+
+        LOGI("  VirtualKey %d: keyCode=%d hitLeft=%d hitRight=%d hitTop=%d hitBottom=%d",
+                virtualKey.scanCode, virtualKey.keyCode,
+                virtualKey.hitLeft, virtualKey.hitRight, virtualKey.hitTop, virtualKey.hitBottom);
+    }
+}
+
+void InputReader::configureAbsoluteAxisInfo(InputDevice* device,
+        int axis, const char* name, InputDevice::AbsoluteAxisInfo* out) {
+    if (! mEventHub->getAbsoluteInfo(device->id, axis,
+            & out->minValue, & out->maxValue, & out->flat, &out->fuzz)) {
+        out->range = out->maxValue - out->minValue;
+        if (out->range != 0) {
+            LOGI("  %s: min=%d max=%d flat=%d fuzz=%d",
+                    name, out->minValue, out->maxValue, out->flat, out->fuzz);
+            out->valid = true;
+            return;
+        }
+    }
+
+    out->valid = false;
+    out->minValue = 0;
+    out->maxValue = 0;
+    out->flat = 0;
+    out->fuzz = 0;
+    out->range = 0;
+    LOGI("  %s: unknown axis values, marking as invalid", name);
+}
+
+void InputReader::configureExcludedDevices() {
+    Vector<String8> excludedDeviceNames;
+    mPolicy->getExcludedDeviceNames(excludedDeviceNames);
+
+    for (size_t i = 0; i < excludedDeviceNames.size(); i++) {
+        mEventHub->addExcludedDevice(excludedDeviceNames[i]);
+    }
+}
+
+void InputReader::resetGlobalMetaState() {
+    mGlobalMetaState = -1;
+}
+
+int32_t InputReader::globalMetaState() {
+    if (mGlobalMetaState == -1) {
+        mGlobalMetaState = 0;
+        for (size_t i = 0; i < mDevices.size(); i++) {
+            InputDevice* device = mDevices.valueAt(i);
+            if (device->isKeyboard()) {
+                mGlobalMetaState |= device->keyboard.current.metaState;
+            }
+        }
+    }
+    return mGlobalMetaState;
+}
+
+void InputReader::updateExportedVirtualKeyState() {
+    int32_t keyCode = -1, scanCode = -1;
+
+    for (size_t i = 0; i < mDevices.size(); i++) {
+        InputDevice* device = mDevices.valueAt(i);
+        if (device->isTouchScreen()) {
+            if (device->touchScreen.currentVirtualKey.status
+                    == InputDevice::TouchScreenState::CurrentVirtualKeyState::STATUS_DOWN) {
+                keyCode = device->touchScreen.currentVirtualKey.keyCode;
+                scanCode = device->touchScreen.currentVirtualKey.scanCode;
+            }
+        }
+    }
+
+    { // acquire exported state lock
+        AutoMutex _l(mExportedStateLock);
+
+        mExportedVirtualKeyCode = keyCode;
+        mExportedVirtualScanCode = scanCode;
+    } // release exported state lock
+}
+
+bool InputReader::getCurrentVirtualKey(int32_t* outKeyCode, int32_t* outScanCode) const {
+    { // acquire exported state lock
+        AutoMutex _l(mExportedStateLock);
+
+        *outKeyCode = mExportedVirtualKeyCode;
+        *outScanCode = mExportedVirtualScanCode;
+        return mExportedVirtualKeyCode != -1;
+    } // release exported state lock
+}
+
+void InputReader::updateExportedInputConfiguration() {
+    int32_t touchScreenConfig = InputConfiguration::TOUCHSCREEN_NOTOUCH;
+    int32_t keyboardConfig = InputConfiguration::KEYBOARD_NOKEYS;
+    int32_t navigationConfig = InputConfiguration::NAVIGATION_NONAV;
+
+    for (size_t i = 0; i < mDevices.size(); i++) {
+        InputDevice* device = mDevices.valueAt(i);
+        int32_t deviceClasses = device->classes;
+
+        if (deviceClasses & INPUT_DEVICE_CLASS_TOUCHSCREEN) {
+            touchScreenConfig = InputConfiguration::TOUCHSCREEN_FINGER;
+        }
+        if (deviceClasses & INPUT_DEVICE_CLASS_ALPHAKEY) {
+            keyboardConfig = InputConfiguration::KEYBOARD_QWERTY;
+        }
+        if (deviceClasses & INPUT_DEVICE_CLASS_TRACKBALL) {
+            navigationConfig = InputConfiguration::NAVIGATION_TRACKBALL;
+        } else if (deviceClasses & INPUT_DEVICE_CLASS_DPAD) {
+            navigationConfig = InputConfiguration::NAVIGATION_DPAD;
+        }
+    }
+
+    { // acquire exported state lock
+        AutoMutex _l(mExportedStateLock);
+
+        mExportedInputConfiguration.touchScreen = touchScreenConfig;
+        mExportedInputConfiguration.keyboard = keyboardConfig;
+        mExportedInputConfiguration.navigation = navigationConfig;
+    } // release exported state lock
+}
+
+void InputReader::getCurrentInputConfiguration(InputConfiguration* outConfiguration) const {
+    { // acquire exported state lock
+        AutoMutex _l(mExportedStateLock);
+
+        *outConfiguration = mExportedInputConfiguration;
+    } // release exported state lock
+}
+
+int32_t InputReader::getCurrentScanCodeState(int32_t deviceId, int32_t deviceClasses,
+        int32_t scanCode) const {
+    { // acquire exported state lock
+        AutoMutex _l(mExportedStateLock);
+
+        if (mExportedVirtualScanCode == scanCode) {
+            return AKEY_STATE_VIRTUAL;
+        }
+    } // release exported state lock
+
+    return mEventHub->getScanCodeState(deviceId, deviceClasses, scanCode);
+}
+
+int32_t InputReader::getCurrentKeyCodeState(int32_t deviceId, int32_t deviceClasses,
+        int32_t keyCode) const {
+    { // acquire exported state lock
+        AutoMutex _l(mExportedStateLock);
+
+        if (mExportedVirtualKeyCode == keyCode) {
+            return AKEY_STATE_VIRTUAL;
+        }
+    } // release exported state lock
+
+    return mEventHub->getKeyCodeState(deviceId, deviceClasses, keyCode);
+}
+
+int32_t InputReader::getCurrentSwitchState(int32_t deviceId, int32_t deviceClasses,
+        int32_t sw) const {
+    return mEventHub->getSwitchState(deviceId, deviceClasses, sw);
+}
+
+bool InputReader::hasKeys(size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) const {
+    return mEventHub->hasKeys(numCodes, keyCodes, outFlags);
+}
+
+
+// --- InputReaderThread ---
+
+InputReaderThread::InputReaderThread(const sp<InputReaderInterface>& reader) :
+        Thread(/*canCallJava*/ true), mReader(reader) {
+}
+
+InputReaderThread::~InputReaderThread() {
+}
+
+bool InputReaderThread::threadLoop() {
+    mReader->loopOnce();
+    return true;
+}
+
+} // namespace android
diff --git a/libs/ui/InputTransport.cpp b/libs/ui/InputTransport.cpp
new file mode 100644
index 0000000..cf0f63e
--- /dev/null
+++ b/libs/ui/InputTransport.cpp
@@ -0,0 +1,692 @@
+//
+// Copyright 2010 The Android Open Source Project
+//
+// Provides a shared memory transport for input events.
+//
+#define LOG_TAG "InputTransport"
+
+//#define LOG_NDEBUG 0
+
+// Log debug messages about channel signalling (send signal, receive signal)
+#define DEBUG_CHANNEL_SIGNALS 0
+
+// Log debug messages whenever InputChannel objects are created/destroyed
+#define DEBUG_CHANNEL_LIFECYCLE 0
+
+// Log debug messages about transport actions (initialize, reset, publish, ...)
+#define DEBUG_TRANSPORT_ACTIONS 0
+
+
+#include <cutils/ashmem.h>
+#include <cutils/log.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <ui/InputTransport.h>
+#include <unistd.h>
+
+namespace android {
+
+// Must be at least sizeof(InputMessage) + sufficient space for pointer data
+static const int DEFAULT_MESSAGE_BUFFER_SIZE = 16384;
+
+// Signal sent by the producer to the consumer to inform it that a new message is
+// available to be consumed in the shared memory buffer.
+static const char INPUT_SIGNAL_DISPATCH = 'D';
+
+// Signal sent by the consumer to the producer to inform it that it has finished
+// consuming the most recent message.
+static const char INPUT_SIGNAL_FINISHED = 'f';
+
+
+// --- InputChannel ---
+
+InputChannel::InputChannel(const String8& name, int32_t ashmemFd, int32_t receivePipeFd,
+        int32_t sendPipeFd) :
+        mName(name), mAshmemFd(ashmemFd), mReceivePipeFd(receivePipeFd), mSendPipeFd(sendPipeFd) {
+#if DEBUG_CHANNEL_LIFECYCLE
+    LOGD("Input channel constructed: name='%s', ashmemFd=%d, receivePipeFd=%d, sendPipeFd=%d",
+            mName.string(), ashmemFd, receivePipeFd, sendPipeFd);
+#endif
+
+    int result = fcntl(mReceivePipeFd, F_SETFL, O_NONBLOCK);
+    LOG_ALWAYS_FATAL_IF(result != 0, "channel '%s' ~ Could not make receive pipe "
+            "non-blocking.  errno=%d", mName.string(), errno);
+
+    result = fcntl(mSendPipeFd, F_SETFL, O_NONBLOCK);
+    LOG_ALWAYS_FATAL_IF(result != 0, "channel '%s' ~ Could not make send pipe "
+            "non-blocking.  errno=%d", mName.string(), errno);
+}
+
+InputChannel::~InputChannel() {
+#if DEBUG_CHANNEL_LIFECYCLE
+    LOGD("Input channel destroyed: name='%s', ashmemFd=%d, receivePipeFd=%d, sendPipeFd=%d",
+            mName.string(), mAshmemFd, mReceivePipeFd, mSendPipeFd);
+#endif
+
+    ::close(mAshmemFd);
+    ::close(mReceivePipeFd);
+    ::close(mSendPipeFd);
+}
+
+status_t InputChannel::openInputChannelPair(const String8& name,
+        sp<InputChannel>& outServerChannel, sp<InputChannel>& outClientChannel) {
+    status_t result;
+
+    int serverAshmemFd = ashmem_create_region(name.string(), DEFAULT_MESSAGE_BUFFER_SIZE);
+    if (serverAshmemFd < 0) {
+        result = -errno;
+        LOGE("channel '%s' ~ Could not create shared memory region. errno=%d",
+                name.string(), errno);
+    } else {
+        result = ashmem_set_prot_region(serverAshmemFd, PROT_READ | PROT_WRITE);
+        if (result < 0) {
+            LOGE("channel '%s' ~ Error %d trying to set protection of ashmem fd %d.",
+                    name.string(), result, serverAshmemFd);
+        } else {
+            // Dup the file descriptor because the server and client input channel objects that
+            // are returned may have different lifetimes but they share the same shared memory region.
+            int clientAshmemFd;
+            clientAshmemFd = dup(serverAshmemFd);
+            if (clientAshmemFd < 0) {
+                result = -errno;
+                LOGE("channel '%s' ~ Could not dup() shared memory region fd. errno=%d",
+                        name.string(), errno);
+            } else {
+                int forward[2];
+                if (pipe(forward)) {
+                    result = -errno;
+                    LOGE("channel '%s' ~ Could not create forward pipe.  errno=%d",
+                            name.string(), errno);
+                } else {
+                    int reverse[2];
+                    if (pipe(reverse)) {
+                        result = -errno;
+                        LOGE("channel '%s' ~ Could not create reverse pipe.  errno=%d",
+                                name.string(), errno);
+                    } else {
+                        String8 serverChannelName = name;
+                        serverChannelName.append(" (server)");
+                        outServerChannel = new InputChannel(serverChannelName,
+                                serverAshmemFd, reverse[0], forward[1]);
+
+                        String8 clientChannelName = name;
+                        clientChannelName.append(" (client)");
+                        outClientChannel = new InputChannel(clientChannelName,
+                                clientAshmemFd, forward[0], reverse[1]);
+                        return OK;
+                    }
+                    ::close(forward[0]);
+                    ::close(forward[1]);
+                }
+                ::close(clientAshmemFd);
+            }
+        }
+        ::close(serverAshmemFd);
+    }
+
+    outServerChannel.clear();
+    outClientChannel.clear();
+    return result;
+}
+
+status_t InputChannel::sendSignal(char signal) {
+    ssize_t nWrite = ::write(mSendPipeFd, & signal, 1);
+
+    if (nWrite == 1) {
+#if DEBUG_CHANNEL_SIGNALS
+        LOGD("channel '%s' ~ sent signal '%c'", mName.string(), signal);
+#endif
+        return OK;
+    }
+
+#if DEBUG_CHANNEL_SIGNALS
+    LOGD("channel '%s' ~ error sending signal '%c', errno=%d", mName.string(), signal, errno);
+#endif
+    return -errno;
+}
+
+status_t InputChannel::receiveSignal(char* outSignal) {
+    ssize_t nRead = ::read(mReceivePipeFd, outSignal, 1);
+    if (nRead == 1) {
+#if DEBUG_CHANNEL_SIGNALS
+        LOGD("channel '%s' ~ received signal '%c'", mName.string(), *outSignal);
+#endif
+        return OK;
+    }
+
+    if (nRead == 0) { // check for EOF
+#if DEBUG_CHANNEL_SIGNALS
+        LOGD("channel '%s' ~ receive signal failed because peer was closed", mName.string());
+#endif
+        return DEAD_OBJECT;
+    }
+
+    if (errno == EAGAIN) {
+#if DEBUG_CHANNEL_SIGNALS
+        LOGD("channel '%s' ~ receive signal failed because no signal available", mName.string());
+#endif
+        return WOULD_BLOCK;
+    }
+
+#if DEBUG_CHANNEL_SIGNALS
+    LOGD("channel '%s' ~ receive signal failed, errno=%d", mName.string(), errno);
+#endif
+    return -errno;
+}
+
+
+// --- InputPublisher ---
+
+InputPublisher::InputPublisher(const sp<InputChannel>& channel) :
+        mChannel(channel), mSharedMessage(NULL),
+        mPinned(false), mSemaphoreInitialized(false), mWasDispatched(false),
+        mMotionEventSampleDataTail(NULL) {
+}
+
+InputPublisher::~InputPublisher() {
+    reset();
+
+    if (mSharedMessage) {
+        munmap(mSharedMessage, mAshmemSize);
+    }
+}
+
+status_t InputPublisher::initialize() {
+#if DEBUG_TRANSPORT_ACTIONS
+    LOGD("channel '%s' publisher ~ initialize",
+            mChannel->getName().string());
+#endif
+
+    int ashmemFd = mChannel->getAshmemFd();
+    int result = ashmem_get_size_region(ashmemFd);
+    if (result < 0) {
+        LOGE("channel '%s' publisher ~ Error %d getting size of ashmem fd %d.",
+                mChannel->getName().string(), result, ashmemFd);
+        return UNKNOWN_ERROR;
+    }
+    mAshmemSize = (size_t) result;
+
+    mSharedMessage = static_cast<InputMessage*>(mmap(NULL, mAshmemSize,
+            PROT_READ | PROT_WRITE, MAP_SHARED, ashmemFd, 0));
+    if (! mSharedMessage) {
+        LOGE("channel '%s' publisher ~ mmap failed on ashmem fd %d.",
+                mChannel->getName().string(), ashmemFd);
+        return NO_MEMORY;
+    }
+
+    mPinned = true;
+    mSharedMessage->consumed = false;
+
+    return reset();
+}
+
+status_t InputPublisher::reset() {
+#if DEBUG_TRANSPORT_ACTIONS
+    LOGD("channel '%s' publisher ~ reset",
+        mChannel->getName().string());
+#endif
+
+    if (mPinned) {
+        // Destroy the semaphore since we are about to unpin the memory region that contains it.
+        int result;
+        if (mSemaphoreInitialized) {
+            if (mSharedMessage->consumed) {
+                result = sem_post(& mSharedMessage->semaphore);
+                if (result < 0) {
+                    LOGE("channel '%s' publisher ~ Error %d in sem_post.",
+                            mChannel->getName().string(), errno);
+                    return UNKNOWN_ERROR;
+                }
+            }
+
+            result = sem_destroy(& mSharedMessage->semaphore);
+            if (result < 0) {
+                LOGE("channel '%s' publisher ~ Error %d in sem_destroy.",
+                        mChannel->getName().string(), errno);
+                return UNKNOWN_ERROR;
+            }
+
+            mSemaphoreInitialized = false;
+        }
+
+        // Unpin the region since we no longer care about its contents.
+        int ashmemFd = mChannel->getAshmemFd();
+        result = ashmem_unpin_region(ashmemFd, 0, 0);
+        if (result < 0) {
+            LOGE("channel '%s' publisher ~ Error %d unpinning ashmem fd %d.",
+                    mChannel->getName().string(), result, ashmemFd);
+            return UNKNOWN_ERROR;
+        }
+
+        mPinned = false;
+    }
+
+    mMotionEventSampleDataTail = NULL;
+    mWasDispatched = false;
+    return OK;
+}
+
+status_t InputPublisher::publishInputEvent(
+        int32_t type,
+        int32_t deviceId,
+        int32_t source) {
+    if (mPinned) {
+        LOGE("channel '%s' publisher ~ Attempted to publish a new event but publisher has "
+                "not yet been reset.", mChannel->getName().string());
+        return INVALID_OPERATION;
+    }
+
+    // Pin the region.
+    // We do not check for ASHMEM_NOT_PURGED because we don't care about the previous
+    // contents of the buffer so it does not matter whether it was purged in the meantime.
+    int ashmemFd = mChannel->getAshmemFd();
+    int result = ashmem_pin_region(ashmemFd, 0, 0);
+    if (result < 0) {
+        LOGE("channel '%s' publisher ~ Error %d pinning ashmem fd %d.",
+                mChannel->getName().string(), result, ashmemFd);
+        return UNKNOWN_ERROR;
+    }
+
+    mPinned = true;
+
+    result = sem_init(& mSharedMessage->semaphore, 1, 1);
+    if (result < 0) {
+        LOGE("channel '%s' publisher ~ Error %d in sem_init.",
+                mChannel->getName().string(), errno);
+        return UNKNOWN_ERROR;
+    }
+
+    mSemaphoreInitialized = true;
+
+    mSharedMessage->consumed = false;
+    mSharedMessage->type = type;
+    mSharedMessage->deviceId = deviceId;
+    mSharedMessage->source = source;
+    return OK;
+}
+
+status_t InputPublisher::publishKeyEvent(
+        int32_t deviceId,
+        int32_t source,
+        int32_t action,
+        int32_t flags,
+        int32_t keyCode,
+        int32_t scanCode,
+        int32_t metaState,
+        int32_t repeatCount,
+        nsecs_t downTime,
+        nsecs_t eventTime) {
+#if DEBUG_TRANSPORT_ACTIONS
+    LOGD("channel '%s' publisher ~ publishKeyEvent: deviceId=%d, source=%d, "
+            "action=%d, flags=%d, keyCode=%d, scanCode=%d, metaState=%d, repeatCount=%d,"
+            "downTime=%lld, eventTime=%lld",
+            mChannel->getName().string(),
+            deviceId, source, action, flags, keyCode, scanCode, metaState, repeatCount,
+            downTime, eventTime);
+#endif
+
+    status_t result = publishInputEvent(AINPUT_EVENT_TYPE_KEY, deviceId, source);
+    if (result < 0) {
+        return result;
+    }
+
+    mSharedMessage->key.action = action;
+    mSharedMessage->key.flags = flags;
+    mSharedMessage->key.keyCode = keyCode;
+    mSharedMessage->key.scanCode = scanCode;
+    mSharedMessage->key.metaState = metaState;
+    mSharedMessage->key.repeatCount = repeatCount;
+    mSharedMessage->key.downTime = downTime;
+    mSharedMessage->key.eventTime = eventTime;
+    return OK;
+}
+
+status_t InputPublisher::publishMotionEvent(
+        int32_t deviceId,
+        int32_t source,
+        int32_t action,
+        int32_t edgeFlags,
+        int32_t metaState,
+        float xOffset,
+        float yOffset,
+        float xPrecision,
+        float yPrecision,
+        nsecs_t downTime,
+        nsecs_t eventTime,
+        size_t pointerCount,
+        const int32_t* pointerIds,
+        const PointerCoords* pointerCoords) {
+#if DEBUG_TRANSPORT_ACTIONS
+    LOGD("channel '%s' publisher ~ publishMotionEvent: deviceId=%d, source=%d, "
+            "action=%d, edgeFlags=%d, metaState=%d, xOffset=%f, yOffset=%f, "
+            "xPrecision=%f, yPrecision=%f, downTime=%lld, eventTime=%lld, "
+            "pointerCount=%d",
+            mChannel->getName().string(),
+            deviceId, source, action, edgeFlags, metaState, xOffset, yOffset,
+            xPrecision, yPrecision, downTime, eventTime, pointerCount);
+#endif
+
+    if (pointerCount > MAX_POINTERS || pointerCount < 1) {
+        LOGE("channel '%s' publisher ~ Invalid number of pointers provided: %d.",
+                mChannel->getName().string(), pointerCount);
+        return BAD_VALUE;
+    }
+
+    status_t result = publishInputEvent(AINPUT_EVENT_TYPE_MOTION, deviceId, source);
+    if (result < 0) {
+        return result;
+    }
+
+    mSharedMessage->motion.action = action;
+    mSharedMessage->motion.edgeFlags = edgeFlags;
+    mSharedMessage->motion.metaState = metaState;
+    mSharedMessage->motion.xOffset = xOffset;
+    mSharedMessage->motion.yOffset = yOffset;
+    mSharedMessage->motion.xPrecision = xPrecision;
+    mSharedMessage->motion.yPrecision = yPrecision;
+    mSharedMessage->motion.downTime = downTime;
+    mSharedMessage->motion.pointerCount = pointerCount;
+
+    mSharedMessage->motion.sampleCount = 1;
+    mSharedMessage->motion.sampleData[0].eventTime = eventTime;
+
+    for (size_t i = 0; i < pointerCount; i++) {
+        mSharedMessage->motion.pointerIds[i] = pointerIds[i];
+        mSharedMessage->motion.sampleData[0].coords[i] = pointerCoords[i];
+    }
+
+    // Cache essential information about the motion event to ensure that a malicious consumer
+    // cannot confuse the publisher by modifying the contents of the shared memory buffer while
+    // it is being updated.
+    if (action == AMOTION_EVENT_ACTION_MOVE) {
+        mMotionEventPointerCount = pointerCount;
+        mMotionEventSampleDataStride = InputMessage::sampleDataStride(pointerCount);
+        mMotionEventSampleDataTail = InputMessage::sampleDataPtrIncrement(
+                mSharedMessage->motion.sampleData, mMotionEventSampleDataStride);
+    } else {
+        mMotionEventSampleDataTail = NULL;
+    }
+    return OK;
+}
+
+status_t InputPublisher::appendMotionSample(
+        nsecs_t eventTime,
+        const PointerCoords* pointerCoords) {
+#if DEBUG_TRANSPORT_ACTIONS
+    LOGD("channel '%s' publisher ~ appendMotionSample: eventTime=%lld",
+            mChannel->getName().string(), eventTime);
+#endif
+
+    if (! mPinned || ! mMotionEventSampleDataTail) {
+        LOGE("channel '%s' publisher ~ Cannot append motion sample because there is no current "
+                "AMOTION_EVENT_ACTION_MOVE event.", mChannel->getName().string());
+        return INVALID_OPERATION;
+    }
+
+    InputMessage::SampleData* newTail = InputMessage::sampleDataPtrIncrement(
+            mMotionEventSampleDataTail, mMotionEventSampleDataStride);
+    size_t newBytesUsed = reinterpret_cast<char*>(newTail) -
+            reinterpret_cast<char*>(mSharedMessage);
+
+    if (newBytesUsed > mAshmemSize) {
+#if DEBUG_TRANSPORT_ACTIONS
+        LOGD("channel '%s' publisher ~ Cannot append motion sample because the shared memory "
+                "buffer is full.  Buffer size: %d bytes, pointers: %d, samples: %d",
+                mChannel->getName().string(),
+                mAshmemSize, mMotionEventPointerCount, mSharedMessage->motion.sampleCount);
+#endif
+        return NO_MEMORY;
+    }
+
+    int result;
+    if (mWasDispatched) {
+        result = sem_trywait(& mSharedMessage->semaphore);
+        if (result < 0) {
+            if (errno == EAGAIN) {
+                // Only possible source of contention is the consumer having consumed (or being in the
+                // process of consuming) the message and left the semaphore count at 0.
+#if DEBUG_TRANSPORT_ACTIONS
+                LOGD("channel '%s' publisher ~ Cannot append motion sample because the message has "
+                        "already been consumed.", mChannel->getName().string());
+#endif
+                return FAILED_TRANSACTION;
+            } else {
+                LOGE("channel '%s' publisher ~ Error %d in sem_trywait.",
+                        mChannel->getName().string(), errno);
+                return UNKNOWN_ERROR;
+            }
+        }
+    }
+
+    mMotionEventSampleDataTail->eventTime = eventTime;
+    for (size_t i = 0; i < mMotionEventPointerCount; i++) {
+        mMotionEventSampleDataTail->coords[i] = pointerCoords[i];
+    }
+    mMotionEventSampleDataTail = newTail;
+
+    mSharedMessage->motion.sampleCount += 1;
+
+    if (mWasDispatched) {
+        result = sem_post(& mSharedMessage->semaphore);
+        if (result < 0) {
+            LOGE("channel '%s' publisher ~ Error %d in sem_post.",
+                    mChannel->getName().string(), errno);
+            return UNKNOWN_ERROR;
+        }
+    }
+    return OK;
+}
+
+status_t InputPublisher::sendDispatchSignal() {
+#if DEBUG_TRANSPORT_ACTIONS
+    LOGD("channel '%s' publisher ~ sendDispatchSignal",
+            mChannel->getName().string());
+#endif
+
+    mWasDispatched = true;
+    return mChannel->sendSignal(INPUT_SIGNAL_DISPATCH);
+}
+
+status_t InputPublisher::receiveFinishedSignal() {
+#if DEBUG_TRANSPORT_ACTIONS
+    LOGD("channel '%s' publisher ~ receiveFinishedSignal",
+            mChannel->getName().string());
+#endif
+
+    char signal;
+    status_t result = mChannel->receiveSignal(& signal);
+    if (result) {
+        return result;
+    }
+    if (signal != INPUT_SIGNAL_FINISHED) {
+        LOGE("channel '%s' publisher ~ Received unexpected signal '%c' from consumer",
+                mChannel->getName().string(), signal);
+        return UNKNOWN_ERROR;
+    }
+    return OK;
+}
+
+// --- InputConsumer ---
+
+InputConsumer::InputConsumer(const sp<InputChannel>& channel) :
+        mChannel(channel), mSharedMessage(NULL) {
+}
+
+InputConsumer::~InputConsumer() {
+    if (mSharedMessage) {
+        munmap(mSharedMessage, mAshmemSize);
+    }
+}
+
+status_t InputConsumer::initialize() {
+#if DEBUG_TRANSPORT_ACTIONS
+    LOGD("channel '%s' consumer ~ initialize",
+            mChannel->getName().string());
+#endif
+
+    int ashmemFd = mChannel->getAshmemFd();
+    int result = ashmem_get_size_region(ashmemFd);
+    if (result < 0) {
+        LOGE("channel '%s' consumer ~ Error %d getting size of ashmem fd %d.",
+                mChannel->getName().string(), result, ashmemFd);
+        return UNKNOWN_ERROR;
+    }
+
+    mAshmemSize = (size_t) result;
+
+    mSharedMessage = static_cast<InputMessage*>(mmap(NULL, mAshmemSize,
+            PROT_READ | PROT_WRITE, MAP_SHARED, ashmemFd, 0));
+    if (! mSharedMessage) {
+        LOGE("channel '%s' consumer ~ mmap failed on ashmem fd %d.",
+                mChannel->getName().string(), ashmemFd);
+        return NO_MEMORY;
+    }
+
+    return OK;
+}
+
+status_t InputConsumer::consume(InputEventFactoryInterface* factory, InputEvent** outEvent) {
+#if DEBUG_TRANSPORT_ACTIONS
+    LOGD("channel '%s' consumer ~ consume",
+            mChannel->getName().string());
+#endif
+
+    *outEvent = NULL;
+
+    int ashmemFd = mChannel->getAshmemFd();
+    int result = ashmem_pin_region(ashmemFd, 0, 0);
+    if (result != ASHMEM_NOT_PURGED) {
+        if (result == ASHMEM_WAS_PURGED) {
+            LOGE("channel '%s' consumer ~ Error %d pinning ashmem fd %d because it was purged "
+                    "which probably indicates that the publisher and consumer are out of sync.",
+                    mChannel->getName().string(), result, ashmemFd);
+            return INVALID_OPERATION;
+        }
+
+        LOGE("channel '%s' consumer ~ Error %d pinning ashmem fd %d.",
+                mChannel->getName().string(), result, ashmemFd);
+        return UNKNOWN_ERROR;
+    }
+
+    if (mSharedMessage->consumed) {
+        LOGE("channel '%s' consumer ~ The current message has already been consumed.",
+                mChannel->getName().string());
+        return INVALID_OPERATION;
+    }
+
+    // Acquire but *never release* the semaphore.  Contention on the semaphore is used to signal
+    // to the publisher that the message has been consumed (or is in the process of being
+    // consumed).  Eventually the publisher will reinitialize the semaphore for the next message.
+    result = sem_wait(& mSharedMessage->semaphore);
+    if (result < 0) {
+        LOGE("channel '%s' consumer ~ Error %d in sem_wait.",
+                mChannel->getName().string(), errno);
+        return UNKNOWN_ERROR;
+    }
+
+    mSharedMessage->consumed = true;
+
+    switch (mSharedMessage->type) {
+    case AINPUT_EVENT_TYPE_KEY: {
+        KeyEvent* keyEvent = factory->createKeyEvent();
+        if (! keyEvent) return NO_MEMORY;
+
+        populateKeyEvent(keyEvent);
+
+        *outEvent = keyEvent;
+        break;
+    }
+
+    case AINPUT_EVENT_TYPE_MOTION: {
+        MotionEvent* motionEvent = factory->createMotionEvent();
+        if (! motionEvent) return NO_MEMORY;
+
+        populateMotionEvent(motionEvent);
+
+        *outEvent = motionEvent;
+        break;
+    }
+
+    default:
+        LOGE("channel '%s' consumer ~ Received message of unknown type %d",
+                mChannel->getName().string(), mSharedMessage->type);
+        return UNKNOWN_ERROR;
+    }
+
+    return OK;
+}
+
+status_t InputConsumer::sendFinishedSignal() {
+#if DEBUG_TRANSPORT_ACTIONS
+    LOGD("channel '%s' consumer ~ sendFinishedSignal",
+            mChannel->getName().string());
+#endif
+
+    return mChannel->sendSignal(INPUT_SIGNAL_FINISHED);
+}
+
+status_t InputConsumer::receiveDispatchSignal() {
+#if DEBUG_TRANSPORT_ACTIONS
+    LOGD("channel '%s' consumer ~ receiveDispatchSignal",
+            mChannel->getName().string());
+#endif
+
+    char signal;
+    status_t result = mChannel->receiveSignal(& signal);
+    if (result) {
+        return result;
+    }
+    if (signal != INPUT_SIGNAL_DISPATCH) {
+        LOGE("channel '%s' consumer ~ Received unexpected signal '%c' from publisher",
+                mChannel->getName().string(), signal);
+        return UNKNOWN_ERROR;
+    }
+    return OK;
+}
+
+void InputConsumer::populateKeyEvent(KeyEvent* keyEvent) const {
+    keyEvent->initialize(
+            mSharedMessage->deviceId,
+            mSharedMessage->source,
+            mSharedMessage->key.action,
+            mSharedMessage->key.flags,
+            mSharedMessage->key.keyCode,
+            mSharedMessage->key.scanCode,
+            mSharedMessage->key.metaState,
+            mSharedMessage->key.repeatCount,
+            mSharedMessage->key.downTime,
+            mSharedMessage->key.eventTime);
+}
+
+void InputConsumer::populateMotionEvent(MotionEvent* motionEvent) const {
+    motionEvent->initialize(
+            mSharedMessage->deviceId,
+            mSharedMessage->source,
+            mSharedMessage->motion.action,
+            mSharedMessage->motion.edgeFlags,
+            mSharedMessage->motion.metaState,
+            mSharedMessage->motion.xOffset,
+            mSharedMessage->motion.yOffset,
+            mSharedMessage->motion.xPrecision,
+            mSharedMessage->motion.yPrecision,
+            mSharedMessage->motion.downTime,
+            mSharedMessage->motion.sampleData[0].eventTime,
+            mSharedMessage->motion.pointerCount,
+            mSharedMessage->motion.pointerIds,
+            mSharedMessage->motion.sampleData[0].coords);
+
+    size_t sampleCount = mSharedMessage->motion.sampleCount;
+    if (sampleCount > 1) {
+        InputMessage::SampleData* sampleData = mSharedMessage->motion.sampleData;
+        size_t sampleDataStride = InputMessage::sampleDataStride(
+                mSharedMessage->motion.pointerCount);
+
+        while (--sampleCount > 0) {
+            sampleData = InputMessage::sampleDataPtrIncrement(sampleData, sampleDataStride);
+            motionEvent->addSample(sampleData->eventTime, sampleData->coords);
+        }
+    }
+}
+
+} // namespace android
diff --git a/libs/ui/PixelFormat.cpp b/libs/ui/PixelFormat.cpp
index 9b41804..edf1aed 100644
--- a/libs/ui/PixelFormat.cpp
+++ b/libs/ui/PixelFormat.cpp
@@ -59,19 +59,12 @@
     // YUV format from the HAL are handled here
     switch (format) {
     case HAL_PIXEL_FORMAT_YCbCr_422_SP:
-    case HAL_PIXEL_FORMAT_YCrCb_422_SP:
-    case HAL_PIXEL_FORMAT_YCbCr_422_P:
     case HAL_PIXEL_FORMAT_YCbCr_422_I:
-    case HAL_PIXEL_FORMAT_CbYCrY_422_I:
         info->bitsPerPixel = 16;
         goto done;
-    case HAL_PIXEL_FORMAT_YCbCr_420_SP:
     case HAL_PIXEL_FORMAT_YCrCb_420_SP:
     case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED:
-    case HAL_PIXEL_FORMAT_YCrCb_420_SP_TILED:
-    case HAL_PIXEL_FORMAT_YCbCr_420_P:
-    case HAL_PIXEL_FORMAT_YCbCr_420_I:
-    case HAL_PIXEL_FORMAT_CbYCrY_420_I:
+    case HAL_PIXEL_FORMAT_YV12:
         info->bitsPerPixel = 12;
      done:
         info->format = format;
diff --git a/libs/ui/Rect.cpp b/libs/ui/Rect.cpp
index 66b9576..5694e00 100644
--- a/libs/ui/Rect.cpp
+++ b/libs/ui/Rect.cpp
@@ -18,11 +18,11 @@
 
 namespace android {
 
-static inline int min(int a, int b) {
+static inline int32_t min(int32_t a, int32_t b) {
     return (a<b) ? a : b;
 }
 
-static inline int max(int a, int b) {
+static inline int32_t max(int32_t a, int32_t b) {
     return (a>b) ? a : b;
 }
 
@@ -53,7 +53,7 @@
     return false;
 }
 
-Rect& Rect::offsetTo(int x, int y)
+Rect& Rect::offsetTo(int32_t x, int32_t y)
 {
     right -= left - x;
     bottom -= top - y;
@@ -62,7 +62,7 @@
     return *this;
 }
 
-Rect& Rect::offsetBy(int x, int y)
+Rect& Rect::offsetBy(int32_t x, int32_t y)
 {
     left += x;
     top  += y;
diff --git a/libs/ui/tests/Android.mk b/libs/ui/tests/Android.mk
index 6cc4a5a..62f824f 100644
--- a/libs/ui/tests/Android.mk
+++ b/libs/ui/tests/Android.mk
@@ -1,16 +1,50 @@
+# Build the unit tests.
 LOCAL_PATH:= $(call my-dir)
 include $(CLEAR_VARS)
 
-LOCAL_SRC_FILES:= \
-	region.cpp
+ifneq ($(TARGET_SIMULATOR),true)
 
-LOCAL_SHARED_LIBRARIES := \
+# Build the unit tests.
+test_src_files := \
+    InputChannel_test.cpp \
+    InputDispatcher_test.cpp \
+    InputPublisherAndConsumer_test.cpp
+
+shared_libraries := \
 	libcutils \
 	libutils \
-    libui
+	libEGL \
+	libbinder \
+	libpixelflinger \
+	libhardware \
+	libhardware_legacy \
+	libui \
+	libstlport
 
-LOCAL_MODULE:= test-region
+static_libraries := \
+	libgtest \
+	libgtest_main
 
-LOCAL_MODULE_TAGS := tests
+c_includes := \
+    bionic \
+    bionic/libstdc++/include \
+    external/gtest/include \
+    external/stlport/stlport
 
-include $(BUILD_EXECUTABLE)
+module_tags := eng tests
+
+$(foreach file,$(test_src_files), \
+    $(eval include $(CLEAR_VARS)) \
+    $(eval LOCAL_SHARED_LIBRARIES := $(shared_libraries)) \
+    $(eval LOCAL_STATIC_LIBRARIES := $(static_libraries)) \
+    $(eval LOCAL_C_INCLUDES := $(c_includes)) \
+    $(eval LOCAL_SRC_FILES := $(file)) \
+    $(eval LOCAL_MODULE := $(notdir $(file:%.cpp=%))) \
+    $(eval LOCAL_MODULE_TAGS := $(module_tags)) \
+    $(eval include $(BUILD_EXECUTABLE)) \
+)
+
+# Build the manual test programs.
+include $(call all-subdir-makefiles)
+
+endif
\ No newline at end of file
diff --git a/libs/ui/tests/InputChannel_test.cpp b/libs/ui/tests/InputChannel_test.cpp
new file mode 100644
index 0000000..6cec1c0
--- /dev/null
+++ b/libs/ui/tests/InputChannel_test.cpp
@@ -0,0 +1,158 @@
+//
+// Copyright 2010 The Android Open Source Project
+//
+
+#include <ui/InputTransport.h>
+#include <utils/Timers.h>
+#include <utils/StopWatch.h>
+#include <gtest/gtest.h>
+#include <unistd.h>
+#include <time.h>
+#include <sys/mman.h>
+#include <cutils/ashmem.h>
+
+#include "../../utils/tests/TestHelpers.h"
+
+namespace android {
+
+class InputChannelTest : public testing::Test {
+protected:
+    virtual void SetUp() { }
+    virtual void TearDown() { }
+};
+
+
+TEST_F(InputChannelTest, ConstructorAndDestructor_TakesOwnershipOfFileDescriptors) {
+    // Our purpose here is to verify that the input channel destructor closes the
+    // file descriptors provided to it.  One easy way is to provide it with one end
+    // of a pipe and to check for EPIPE on the other end after the channel is destroyed.
+    Pipe fakeAshmem, sendPipe, receivePipe;
+
+    sp<InputChannel> inputChannel = new InputChannel(String8("channel name"),
+            fakeAshmem.sendFd, receivePipe.receiveFd, sendPipe.sendFd);
+
+    EXPECT_STREQ("channel name", inputChannel->getName().string())
+            << "channel should have provided name";
+    EXPECT_EQ(fakeAshmem.sendFd, inputChannel->getAshmemFd())
+            << "channel should have provided ashmem fd";
+    EXPECT_EQ(receivePipe.receiveFd, inputChannel->getReceivePipeFd())
+            << "channel should have provided receive pipe fd";
+    EXPECT_EQ(sendPipe.sendFd, inputChannel->getSendPipeFd())
+            << "channel should have provided send pipe fd";
+
+    inputChannel.clear(); // destroys input channel
+
+    EXPECT_EQ(-EPIPE, fakeAshmem.readSignal())
+            << "channel should have closed ashmem fd when destroyed";
+    EXPECT_EQ(-EPIPE, receivePipe.writeSignal())
+            << "channel should have closed receive pipe fd when destroyed";
+    EXPECT_EQ(-EPIPE, sendPipe.readSignal())
+            << "channel should have closed send pipe fd when destroyed";
+
+    // clean up fds of Pipe endpoints that were closed so we don't try to close them again
+    fakeAshmem.sendFd = -1;
+    receivePipe.receiveFd = -1;
+    sendPipe.sendFd = -1;
+}
+
+TEST_F(InputChannelTest, OpenInputChannelPair_ReturnsAPairOfConnectedChannels) {
+    sp<InputChannel> serverChannel, clientChannel;
+
+    status_t result = InputChannel::openInputChannelPair(String8("channel name"),
+            serverChannel, clientChannel);
+
+    ASSERT_EQ(OK, result)
+            << "should have successfully opened a channel pair";
+
+    // Name
+    EXPECT_STREQ("channel name (server)", serverChannel->getName().string())
+            << "server channel should have suffixed name";
+    EXPECT_STREQ("channel name (client)", clientChannel->getName().string())
+            << "client channel should have suffixed name";
+
+    // Ashmem uniqueness
+    EXPECT_NE(serverChannel->getAshmemFd(), clientChannel->getAshmemFd())
+            << "server and client channel should have different ashmem fds because it was dup'd";
+
+    // Ashmem usability
+    ssize_t serverAshmemSize = ashmem_get_size_region(serverChannel->getAshmemFd());
+    ssize_t clientAshmemSize = ashmem_get_size_region(clientChannel->getAshmemFd());
+    uint32_t* serverAshmem = static_cast<uint32_t*>(mmap(NULL, serverAshmemSize,
+            PROT_READ | PROT_WRITE, MAP_SHARED, serverChannel->getAshmemFd(), 0));
+    uint32_t* clientAshmem = static_cast<uint32_t*>(mmap(NULL, clientAshmemSize,
+            PROT_READ | PROT_WRITE, MAP_SHARED, clientChannel->getAshmemFd(), 0));
+    ASSERT_TRUE(serverAshmem != NULL)
+            << "server channel ashmem should be mappable";
+    ASSERT_TRUE(clientAshmem != NULL)
+            << "client channel ashmem should be mappable";
+    *serverAshmem = 0xf00dd00d;
+    EXPECT_EQ(0xf00dd00d, *clientAshmem)
+            << "ashmem buffer should be shared by client and server";
+    munmap(serverAshmem, serverAshmemSize);
+    munmap(clientAshmem, clientAshmemSize);
+
+    // Server->Client communication
+    EXPECT_EQ(OK, serverChannel->sendSignal('S'))
+            << "server channel should be able to send signal to client channel";
+    char signal;
+    EXPECT_EQ(OK, clientChannel->receiveSignal(& signal))
+            << "client channel should be able to receive signal from server channel";
+    EXPECT_EQ('S', signal)
+            << "client channel should receive the correct signal from server channel";
+
+    // Client->Server communication
+    EXPECT_EQ(OK, clientChannel->sendSignal('c'))
+            << "client channel should be able to send signal to server channel";
+    EXPECT_EQ(OK, serverChannel->receiveSignal(& signal))
+            << "server channel should be able to receive signal from client channel";
+    EXPECT_EQ('c', signal)
+            << "server channel should receive the correct signal from client channel";
+}
+
+TEST_F(InputChannelTest, ReceiveSignal_WhenNoSignalPresent_ReturnsAnError) {
+    sp<InputChannel> serverChannel, clientChannel;
+
+    status_t result = InputChannel::openInputChannelPair(String8("channel name"),
+            serverChannel, clientChannel);
+
+    ASSERT_EQ(OK, result)
+            << "should have successfully opened a channel pair";
+
+    char signal;
+    EXPECT_EQ(WOULD_BLOCK, clientChannel->receiveSignal(& signal))
+            << "receiveSignal should have returned WOULD_BLOCK";
+}
+
+TEST_F(InputChannelTest, ReceiveSignal_WhenPeerClosed_ReturnsAnError) {
+    sp<InputChannel> serverChannel, clientChannel;
+
+    status_t result = InputChannel::openInputChannelPair(String8("channel name"),
+            serverChannel, clientChannel);
+
+    ASSERT_EQ(OK, result)
+            << "should have successfully opened a channel pair";
+
+    serverChannel.clear(); // close server channel
+
+    char signal;
+    EXPECT_EQ(DEAD_OBJECT, clientChannel->receiveSignal(& signal))
+            << "receiveSignal should have returned DEAD_OBJECT";
+}
+
+TEST_F(InputChannelTest, SendSignal_WhenPeerClosed_ReturnsAnError) {
+    sp<InputChannel> serverChannel, clientChannel;
+
+    status_t result = InputChannel::openInputChannelPair(String8("channel name"),
+            serverChannel, clientChannel);
+
+    ASSERT_EQ(OK, result)
+            << "should have successfully opened a channel pair";
+
+    serverChannel.clear(); // close server channel
+
+    EXPECT_EQ(DEAD_OBJECT, clientChannel->sendSignal('S'))
+            << "sendSignal should have returned DEAD_OBJECT";
+}
+
+
+} // namespace android
diff --git a/libs/ui/tests/InputDispatcher_test.cpp b/libs/ui/tests/InputDispatcher_test.cpp
new file mode 100644
index 0000000..1dc6e46
--- /dev/null
+++ b/libs/ui/tests/InputDispatcher_test.cpp
@@ -0,0 +1,18 @@
+//
+// Copyright 2010 The Android Open Source Project
+//
+
+#include <ui/InputDispatcher.h>
+#include <gtest/gtest.h>
+
+namespace android {
+
+class InputDispatcherTest : public testing::Test {
+public:
+};
+
+TEST_F(InputDispatcherTest, Dummy) {
+    // TODO
+}
+
+} // namespace android
diff --git a/libs/ui/tests/InputPublisherAndConsumer_test.cpp b/libs/ui/tests/InputPublisherAndConsumer_test.cpp
new file mode 100644
index 0000000..3bc21fa
--- /dev/null
+++ b/libs/ui/tests/InputPublisherAndConsumer_test.cpp
@@ -0,0 +1,469 @@
+//
+// Copyright 2010 The Android Open Source Project
+//
+
+#include <ui/InputTransport.h>
+#include <utils/Timers.h>
+#include <utils/StopWatch.h>
+#include <gtest/gtest.h>
+#include <unistd.h>
+#include <time.h>
+#include <sys/mman.h>
+#include <cutils/ashmem.h>
+
+#include "../../utils/tests/TestHelpers.h"
+
+namespace android {
+
+class InputPublisherAndConsumerTest : public testing::Test {
+protected:
+    sp<InputChannel> serverChannel, clientChannel;
+    InputPublisher* mPublisher;
+    InputConsumer* mConsumer;
+    PreallocatedInputEventFactory mEventFactory;
+
+    virtual void SetUp() {
+        status_t result = InputChannel::openInputChannelPair(String8("channel name"),
+                serverChannel, clientChannel);
+
+        mPublisher = new InputPublisher(serverChannel);
+        mConsumer = new InputConsumer(clientChannel);
+    }
+
+    virtual void TearDown() {
+        if (mPublisher) {
+            delete mPublisher;
+            mPublisher = NULL;
+        }
+
+        if (mConsumer) {
+            delete mConsumer;
+            mConsumer = NULL;
+        }
+
+        serverChannel.clear();
+        clientChannel.clear();
+    }
+
+    void Initialize();
+    void PublishAndConsumeKeyEvent();
+    void PublishAndConsumeMotionEvent(
+            size_t samplesToAppendBeforeDispatch = 0,
+            size_t samplesToAppendAfterDispatch = 0);
+};
+
+TEST_F(InputPublisherAndConsumerTest, GetChannel_ReturnsTheChannel) {
+    EXPECT_EQ(serverChannel.get(), mPublisher->getChannel().get());
+    EXPECT_EQ(clientChannel.get(), mConsumer->getChannel().get());
+}
+
+void InputPublisherAndConsumerTest::Initialize() {
+    status_t status;
+
+    status = mPublisher->initialize();
+    ASSERT_EQ(OK, status)
+            << "publisher initialize should return OK";
+
+    status = mConsumer->initialize();
+    ASSERT_EQ(OK, status)
+            << "consumer initialize should return OK";
+}
+
+void InputPublisherAndConsumerTest::PublishAndConsumeKeyEvent() {
+    status_t status;
+
+    const int32_t deviceId = 1;
+    const int32_t source = AINPUT_SOURCE_KEYBOARD;
+    const int32_t action = AKEY_EVENT_ACTION_DOWN;
+    const int32_t flags = AKEY_EVENT_FLAG_FROM_SYSTEM;
+    const int32_t keyCode = AKEYCODE_ENTER;
+    const int32_t scanCode = 13;
+    const int32_t metaState = AMETA_ALT_LEFT_ON | AMETA_ALT_ON;
+    const int32_t repeatCount = 1;
+    const nsecs_t downTime = 3;
+    const nsecs_t eventTime = 4;
+
+    status = mPublisher->publishKeyEvent(deviceId, source, action, flags,
+            keyCode, scanCode, metaState, repeatCount, downTime, eventTime);
+    ASSERT_EQ(OK, status)
+            << "publisher publishKeyEvent should return OK";
+
+    status = mPublisher->sendDispatchSignal();
+    ASSERT_EQ(OK, status)
+            << "publisher sendDispatchSignal should return OK";
+
+    status = mConsumer->receiveDispatchSignal();
+    ASSERT_EQ(OK, status)
+            << "consumer receiveDispatchSignal should return OK";
+
+    InputEvent* event;
+    status = mConsumer->consume(& mEventFactory, & event);
+    ASSERT_EQ(OK, status)
+            << "consumer consume should return OK";
+
+    ASSERT_TRUE(event != NULL)
+            << "consumer should have returned non-NULL event";
+    ASSERT_EQ(AINPUT_EVENT_TYPE_KEY, event->getType())
+            << "consumer should have returned a key event";
+
+    KeyEvent* keyEvent = static_cast<KeyEvent*>(event);
+    EXPECT_EQ(deviceId, keyEvent->getDeviceId());
+    EXPECT_EQ(source, keyEvent->getSource());
+    EXPECT_EQ(action, keyEvent->getAction());
+    EXPECT_EQ(flags, keyEvent->getFlags());
+    EXPECT_EQ(keyCode, keyEvent->getKeyCode());
+    EXPECT_EQ(scanCode, keyEvent->getScanCode());
+    EXPECT_EQ(metaState, keyEvent->getMetaState());
+    EXPECT_EQ(repeatCount, keyEvent->getRepeatCount());
+    EXPECT_EQ(downTime, keyEvent->getDownTime());
+    EXPECT_EQ(eventTime, keyEvent->getEventTime());
+
+    status = mConsumer->sendFinishedSignal();
+    ASSERT_EQ(OK, status)
+            << "consumer sendFinishedSignal should return OK";
+
+    status = mPublisher->receiveFinishedSignal();
+    ASSERT_EQ(OK, status)
+            << "publisher receiveFinishedSignal should return OK";
+
+    status = mPublisher->reset();
+    ASSERT_EQ(OK, status)
+            << "publisher reset should return OK";
+}
+
+void InputPublisherAndConsumerTest::PublishAndConsumeMotionEvent(
+        size_t samplesToAppendBeforeDispatch, size_t samplesToAppendAfterDispatch) {
+    status_t status;
+
+    const int32_t deviceId = 1;
+    const int32_t source = AINPUT_SOURCE_TOUCHSCREEN;
+    const int32_t action = AMOTION_EVENT_ACTION_MOVE;
+    const int32_t edgeFlags = AMOTION_EVENT_EDGE_FLAG_TOP;
+    const int32_t metaState = AMETA_ALT_LEFT_ON | AMETA_ALT_ON;
+    const float xOffset = -10;
+    const float yOffset = -20;
+    const float xPrecision = 0.25;
+    const float yPrecision = 0.5;
+    const nsecs_t downTime = 3;
+    const size_t pointerCount = 3;
+    const int32_t pointerIds[pointerCount] = { 2, 0, 1 };
+
+    Vector<nsecs_t> sampleEventTimes;
+    Vector<PointerCoords> samplePointerCoords;
+
+    for (size_t i = 0; i <= samplesToAppendAfterDispatch + samplesToAppendBeforeDispatch; i++) {
+        sampleEventTimes.push(i + 10);
+        for (size_t j = 0; j < pointerCount; j++) {
+            samplePointerCoords.push();
+            samplePointerCoords.editTop().x = 100 * i + j;
+            samplePointerCoords.editTop().y = 200 * i + j;
+            samplePointerCoords.editTop().pressure = 0.5 * i + j;
+            samplePointerCoords.editTop().size = 0.7 * i + j;
+            samplePointerCoords.editTop().touchMajor = 1.5 * i + j;
+            samplePointerCoords.editTop().touchMinor = 1.7 * i + j;
+            samplePointerCoords.editTop().toolMajor = 2.5 * i + j;
+            samplePointerCoords.editTop().toolMinor = 2.7 * i + j;
+            samplePointerCoords.editTop().orientation = 3.5 * i + j;
+        }
+    }
+
+    status = mPublisher->publishMotionEvent(deviceId, source, action, edgeFlags,
+            metaState, xOffset, yOffset, xPrecision, yPrecision,
+            downTime, sampleEventTimes[0], pointerCount, pointerIds, samplePointerCoords.array());
+    ASSERT_EQ(OK, status)
+            << "publisher publishMotionEvent should return OK";
+
+    for (size_t i = 0; i < samplesToAppendBeforeDispatch; i++) {
+        size_t sampleIndex = i + 1;
+        status = mPublisher->appendMotionSample(sampleEventTimes[sampleIndex],
+                samplePointerCoords.array() + sampleIndex * pointerCount);
+        ASSERT_EQ(OK, status)
+                << "publisher appendMotionEvent should return OK";
+    }
+
+    status = mPublisher->sendDispatchSignal();
+    ASSERT_EQ(OK, status)
+            << "publisher sendDispatchSignal should return OK";
+
+    for (size_t i = 0; i < samplesToAppendAfterDispatch; i++) {
+        size_t sampleIndex = i + 1 + samplesToAppendBeforeDispatch;
+        status = mPublisher->appendMotionSample(sampleEventTimes[sampleIndex],
+                samplePointerCoords.array() + sampleIndex * pointerCount);
+        ASSERT_EQ(OK, status)
+                << "publisher appendMotionEvent should return OK";
+    }
+
+    status = mConsumer->receiveDispatchSignal();
+    ASSERT_EQ(OK, status)
+            << "consumer receiveDispatchSignal should return OK";
+
+    InputEvent* event;
+    status = mConsumer->consume(& mEventFactory, & event);
+    ASSERT_EQ(OK, status)
+            << "consumer consume should return OK";
+
+    ASSERT_TRUE(event != NULL)
+            << "consumer should have returned non-NULL event";
+    ASSERT_EQ(AINPUT_EVENT_TYPE_MOTION, event->getType())
+            << "consumer should have returned a motion event";
+
+    size_t lastSampleIndex = samplesToAppendBeforeDispatch + samplesToAppendAfterDispatch;
+
+    MotionEvent* motionEvent = static_cast<MotionEvent*>(event);
+    EXPECT_EQ(deviceId, motionEvent->getDeviceId());
+    EXPECT_EQ(source, motionEvent->getSource());
+    EXPECT_EQ(action, motionEvent->getAction());
+    EXPECT_EQ(edgeFlags, motionEvent->getEdgeFlags());
+    EXPECT_EQ(metaState, motionEvent->getMetaState());
+    EXPECT_EQ(xPrecision, motionEvent->getXPrecision());
+    EXPECT_EQ(yPrecision, motionEvent->getYPrecision());
+    EXPECT_EQ(downTime, motionEvent->getDownTime());
+    EXPECT_EQ(sampleEventTimes[lastSampleIndex], motionEvent->getEventTime());
+    EXPECT_EQ(pointerCount, motionEvent->getPointerCount());
+    EXPECT_EQ(lastSampleIndex, motionEvent->getHistorySize());
+
+    for (size_t i = 0; i < pointerCount; i++) {
+        SCOPED_TRACE(i);
+        EXPECT_EQ(pointerIds[i], motionEvent->getPointerId(i));
+    }
+
+    for (size_t sampleIndex = 0; sampleIndex < lastSampleIndex; sampleIndex++) {
+        SCOPED_TRACE(sampleIndex);
+        EXPECT_EQ(sampleEventTimes[sampleIndex],
+                motionEvent->getHistoricalEventTime(sampleIndex));
+        for (size_t i = 0; i < pointerCount; i++) {
+            SCOPED_TRACE(i);
+            size_t offset = sampleIndex * pointerCount + i;
+            EXPECT_EQ(samplePointerCoords[offset].x,
+                    motionEvent->getHistoricalRawX(i, sampleIndex));
+            EXPECT_EQ(samplePointerCoords[offset].y,
+                    motionEvent->getHistoricalRawY(i, sampleIndex));
+            EXPECT_EQ(samplePointerCoords[offset].x + xOffset,
+                    motionEvent->getHistoricalX(i, sampleIndex));
+            EXPECT_EQ(samplePointerCoords[offset].y + yOffset,
+                    motionEvent->getHistoricalY(i, sampleIndex));
+            EXPECT_EQ(samplePointerCoords[offset].pressure,
+                    motionEvent->getHistoricalPressure(i, sampleIndex));
+            EXPECT_EQ(samplePointerCoords[offset].size,
+                    motionEvent->getHistoricalSize(i, sampleIndex));
+            EXPECT_EQ(samplePointerCoords[offset].touchMajor,
+                    motionEvent->getHistoricalTouchMajor(i, sampleIndex));
+            EXPECT_EQ(samplePointerCoords[offset].touchMinor,
+                    motionEvent->getHistoricalTouchMinor(i, sampleIndex));
+            EXPECT_EQ(samplePointerCoords[offset].toolMajor,
+                    motionEvent->getHistoricalToolMajor(i, sampleIndex));
+            EXPECT_EQ(samplePointerCoords[offset].toolMinor,
+                    motionEvent->getHistoricalToolMinor(i, sampleIndex));
+            EXPECT_EQ(samplePointerCoords[offset].orientation,
+                    motionEvent->getHistoricalOrientation(i, sampleIndex));
+        }
+    }
+
+    SCOPED_TRACE(lastSampleIndex);
+    EXPECT_EQ(sampleEventTimes[lastSampleIndex], motionEvent->getEventTime());
+    for (size_t i = 0; i < pointerCount; i++) {
+        SCOPED_TRACE(i);
+        size_t offset = lastSampleIndex * pointerCount + i;
+        EXPECT_EQ(samplePointerCoords[offset].x, motionEvent->getRawX(i));
+        EXPECT_EQ(samplePointerCoords[offset].y, motionEvent->getRawY(i));
+        EXPECT_EQ(samplePointerCoords[offset].x + xOffset, motionEvent->getX(i));
+        EXPECT_EQ(samplePointerCoords[offset].y + yOffset, motionEvent->getY(i));
+        EXPECT_EQ(samplePointerCoords[offset].pressure, motionEvent->getPressure(i));
+        EXPECT_EQ(samplePointerCoords[offset].size, motionEvent->getSize(i));
+        EXPECT_EQ(samplePointerCoords[offset].touchMajor, motionEvent->getTouchMajor(i));
+        EXPECT_EQ(samplePointerCoords[offset].touchMinor, motionEvent->getTouchMinor(i));
+        EXPECT_EQ(samplePointerCoords[offset].toolMajor, motionEvent->getToolMajor(i));
+        EXPECT_EQ(samplePointerCoords[offset].toolMinor, motionEvent->getToolMinor(i));
+        EXPECT_EQ(samplePointerCoords[offset].orientation, motionEvent->getOrientation(i));
+    }
+
+    status = mConsumer->sendFinishedSignal();
+    ASSERT_EQ(OK, status)
+            << "consumer sendFinishedSignal should return OK";
+
+    status = mPublisher->receiveFinishedSignal();
+    ASSERT_EQ(OK, status)
+            << "publisher receiveFinishedSignal should return OK";
+
+    status = mPublisher->reset();
+    ASSERT_EQ(OK, status)
+            << "publisher reset should return OK";
+}
+
+TEST_F(InputPublisherAndConsumerTest, PublishKeyEvent_EndToEnd) {
+    ASSERT_NO_FATAL_FAILURE(Initialize());
+    ASSERT_NO_FATAL_FAILURE(PublishAndConsumeKeyEvent());
+}
+
+TEST_F(InputPublisherAndConsumerTest, PublishKeyEvent_WhenNotReset_ReturnsError) {
+    status_t status;
+    ASSERT_NO_FATAL_FAILURE(Initialize());
+
+    status = mPublisher->publishKeyEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
+    ASSERT_EQ(OK, status)
+            << "publisher publishKeyEvent should return OK first time";
+
+    status = mPublisher->publishKeyEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
+    ASSERT_EQ(INVALID_OPERATION, status)
+            << "publisher publishKeyEvent should return INVALID_OPERATION because "
+                    "the publisher was not reset";
+}
+
+TEST_F(InputPublisherAndConsumerTest, PublishMotionEvent_EndToEnd) {
+    ASSERT_NO_FATAL_FAILURE(Initialize());
+    ASSERT_NO_FATAL_FAILURE(PublishAndConsumeMotionEvent());
+}
+
+TEST_F(InputPublisherAndConsumerTest, PublishMotionEvent_WhenNotReset_ReturnsError) {
+    status_t status;
+    ASSERT_NO_FATAL_FAILURE(Initialize());
+
+    const size_t pointerCount = 1;
+    int32_t pointerIds[pointerCount] = { 0 };
+    PointerCoords pointerCoords[pointerCount] = { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } };
+
+    status = mPublisher->publishMotionEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            pointerCount, pointerIds, pointerCoords);
+    ASSERT_EQ(OK, status)
+            << "publisher publishMotionEvent should return OK";
+
+    status = mPublisher->publishMotionEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            pointerCount, pointerIds, pointerCoords);
+    ASSERT_EQ(INVALID_OPERATION, status)
+            << "publisher publishMotionEvent should return INVALID_OPERATION because ";
+                    "the publisher was not reset";
+}
+
+TEST_F(InputPublisherAndConsumerTest, PublishMotionEvent_WhenPointerCountLessThan1_ReturnsError) {
+    status_t status;
+    ASSERT_NO_FATAL_FAILURE(Initialize());
+
+    const size_t pointerCount = 0;
+    int32_t pointerIds[pointerCount];
+    PointerCoords pointerCoords[pointerCount];
+
+    status = mPublisher->publishMotionEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            pointerCount, pointerIds, pointerCoords);
+    ASSERT_EQ(BAD_VALUE, status)
+            << "publisher publishMotionEvent should return BAD_VALUE";
+}
+
+TEST_F(InputPublisherAndConsumerTest, PublishMotionEvent_WhenPointerCountGreaterThanMax_ReturnsError) {
+    status_t status;
+    ASSERT_NO_FATAL_FAILURE(Initialize());
+
+    const size_t pointerCount = MAX_POINTERS + 1;
+    int32_t pointerIds[pointerCount];
+    PointerCoords pointerCoords[pointerCount];
+
+    status = mPublisher->publishMotionEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            pointerCount, pointerIds, pointerCoords);
+    ASSERT_EQ(BAD_VALUE, status)
+            << "publisher publishMotionEvent should return BAD_VALUE";
+}
+
+TEST_F(InputPublisherAndConsumerTest, PublishMultipleEvents_EndToEnd) {
+    ASSERT_NO_FATAL_FAILURE(Initialize());
+    ASSERT_NO_FATAL_FAILURE(PublishAndConsumeMotionEvent());
+    ASSERT_NO_FATAL_FAILURE(PublishAndConsumeKeyEvent());
+    ASSERT_NO_FATAL_FAILURE(PublishAndConsumeMotionEvent());
+    ASSERT_NO_FATAL_FAILURE(PublishAndConsumeMotionEvent());
+    ASSERT_NO_FATAL_FAILURE(PublishAndConsumeKeyEvent());
+}
+
+TEST_F(InputPublisherAndConsumerTest, AppendMotionSample_WhenCalledBeforeDispatchSignal_AppendsSamples) {
+    status_t status;
+    ASSERT_NO_FATAL_FAILURE(Initialize());
+    ASSERT_NO_FATAL_FAILURE(PublishAndConsumeMotionEvent(3, 0));
+}
+
+TEST_F(InputPublisherAndConsumerTest, AppendMotionSample_WhenCalledAfterDispatchSignalAndNotConsumed_AppendsSamples) {
+    status_t status;
+    ASSERT_NO_FATAL_FAILURE(Initialize());
+    ASSERT_NO_FATAL_FAILURE(PublishAndConsumeMotionEvent(0, 4));
+}
+
+TEST_F(InputPublisherAndConsumerTest, AppendMotionSample_WhenNoMotionEventPublished_ReturnsError) {
+    status_t status;
+    ASSERT_NO_FATAL_FAILURE(Initialize());
+
+    PointerCoords pointerCoords[1];
+    status = mPublisher->appendMotionSample(0, pointerCoords);
+    ASSERT_EQ(INVALID_OPERATION, status)
+            << "publisher appendMotionSample should return INVALID_OPERATION";
+}
+
+TEST_F(InputPublisherAndConsumerTest, AppendMotionSample_WhenPublishedMotionEventIsNotAMove_ReturnsError) {
+    status_t status;
+    ASSERT_NO_FATAL_FAILURE(Initialize());
+
+    const size_t pointerCount = MAX_POINTERS;
+    int32_t pointerIds[pointerCount];
+    PointerCoords pointerCoords[pointerCount];
+
+    status = mPublisher->publishMotionEvent(0, 0, AMOTION_EVENT_ACTION_DOWN,
+            0, 0, 0, 0, 0, 0, 0, 0, pointerCount, pointerIds, pointerCoords);
+    ASSERT_EQ(OK, status);
+
+    status = mPublisher->appendMotionSample(0, pointerCoords);
+    ASSERT_EQ(INVALID_OPERATION, status)
+            << "publisher appendMotionSample should return INVALID_OPERATION";
+}
+
+TEST_F(InputPublisherAndConsumerTest, AppendMotionSample_WhenAlreadyConsumed_ReturnsError) {
+    status_t status;
+    ASSERT_NO_FATAL_FAILURE(Initialize());
+
+    const size_t pointerCount = MAX_POINTERS;
+    int32_t pointerIds[pointerCount];
+    PointerCoords pointerCoords[pointerCount];
+
+    status = mPublisher->publishMotionEvent(0, 0, AMOTION_EVENT_ACTION_MOVE,
+            0, 0, 0, 0, 0, 0, 0, 0, pointerCount, pointerIds, pointerCoords);
+    ASSERT_EQ(OK, status);
+
+    status = mPublisher->sendDispatchSignal();
+    ASSERT_EQ(OK, status);
+
+    status = mConsumer->receiveDispatchSignal();
+    ASSERT_EQ(OK, status);
+
+    InputEvent* event;
+    status = mConsumer->consume(& mEventFactory, & event);
+    ASSERT_EQ(OK, status);
+
+    status = mPublisher->appendMotionSample(0, pointerCoords);
+    ASSERT_EQ(status_t(FAILED_TRANSACTION), status)
+            << "publisher appendMotionSample should return FAILED_TRANSACTION";
+}
+
+TEST_F(InputPublisherAndConsumerTest, AppendMotionSample_WhenBufferFull_ReturnsError) {
+    status_t status;
+    ASSERT_NO_FATAL_FAILURE(Initialize());
+
+    const size_t pointerCount = MAX_POINTERS;
+    int32_t pointerIds[pointerCount];
+    PointerCoords pointerCoords[pointerCount];
+
+    status = mPublisher->publishMotionEvent(0, 0, AMOTION_EVENT_ACTION_MOVE,
+            0, 0, 0, 0, 0, 0, 0, 0, pointerCount, pointerIds, pointerCoords);
+    ASSERT_EQ(OK, status);
+
+    for (int count = 1;; count++) {
+        ASSERT_LT(count, 100000) << "should eventually reach OOM";
+
+        status = mPublisher->appendMotionSample(0, pointerCoords);
+        if (status != OK) {
+            ASSERT_GT(count, 12) << "should be able to add at least a dozen samples";
+            ASSERT_EQ(NO_MEMORY, status)
+                    << "publisher appendMotionSample should return NO_MEMORY when buffer is full";
+            break;
+        }
+    }
+
+    status = mPublisher->appendMotionSample(0, pointerCoords);
+    ASSERT_EQ(NO_MEMORY, status)
+            << "publisher appendMotionSample should return NO_MEMORY persistently until reset";
+}
+
+} // namespace android
diff --git a/libs/ui/tests/region/Android.mk b/libs/ui/tests/region/Android.mk
new file mode 100644
index 0000000..6cc4a5a
--- /dev/null
+++ b/libs/ui/tests/region/Android.mk
@@ -0,0 +1,16 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+	region.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+	libcutils \
+	libutils \
+    libui
+
+LOCAL_MODULE:= test-region
+
+LOCAL_MODULE_TAGS := tests
+
+include $(BUILD_EXECUTABLE)
diff --git a/libs/ui/tests/region.cpp b/libs/ui/tests/region/region.cpp
similarity index 100%
rename from libs/ui/tests/region.cpp
rename to libs/ui/tests/region/region.cpp
diff --git a/libs/utils/Android.mk b/libs/utils/Android.mk
index afecdcb..8bd5823 100644
--- a/libs/utils/Android.mk
+++ b/libs/utils/Android.mk
@@ -26,6 +26,8 @@
 	Debug.cpp \
 	FileMap.cpp \
 	Flattenable.cpp \
+	ObbFile.cpp \
+	Pool.cpp \
 	RefBase.cpp \
 	ResourceTypes.cpp \
 	SharedBuffer.cpp \
@@ -39,7 +41,7 @@
 	Threads.cpp \
 	Timers.cpp \
 	VectorImpl.cpp \
-    ZipFileCRO.cpp \
+	ZipFileCRO.cpp \
 	ZipFileRO.cpp \
 	ZipUtils.cpp \
 	misc.cpp
@@ -64,6 +66,11 @@
 endif
 endif
 
+ifeq ($(HOST_OS),darwin)
+# MacOS doesn't have lseek64. However, off_t is 64-bit anyway.
+LOCAL_CFLAGS += -DOFF_T_IS_64_BIT
+endif
+
 include $(BUILD_HOST_STATIC_LIBRARY)
 
 
@@ -76,8 +83,9 @@
 # we have the common sources, plus some device-specific stuff
 LOCAL_SRC_FILES:= \
 	$(commonSources) \
-    BackupData.cpp \
-	BackupHelpers.cpp
+	BackupData.cpp \
+	BackupHelpers.cpp \
+	PollLoop.cpp
 
 ifeq ($(TARGET_OS),linux)
 LOCAL_LDLIBS += -lrt -ldl
@@ -114,3 +122,13 @@
 include $(BUILD_STATIC_LIBRARY)
 endif
 endif
+
+
+# Include subdirectory makefiles
+# ============================================================
+
+# If we're building with ONE_SHOT_MAKEFILE (mm, mmm), then what the framework
+# team really wants is to build the stuff defined by this makefile.
+ifeq (,$(ONE_SHOT_MAKEFILE))
+include $(call first-makefiles-under,$(LOCAL_PATH))
+endif
\ No newline at end of file
diff --git a/libs/utils/AssetManager.cpp b/libs/utils/AssetManager.cpp
index 5a05e6a..60a0d82 100644
--- a/libs/utils/AssetManager.cpp
+++ b/libs/utils/AssetManager.cpp
@@ -824,7 +824,7 @@
 
     // TODO: look for previously-created shared memory slice?
     int method;
-    long uncompressedLen;
+    size_t uncompressedLen;
 
     //printf("USING Zip '%s'\n", pEntry->getFileName());
 
diff --git a/libs/utils/ObbFile.cpp b/libs/utils/ObbFile.cpp
new file mode 100644
index 0000000..fe49300
--- /dev/null
+++ b/libs/utils/ObbFile.cpp
@@ -0,0 +1,296 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#define LOG_TAG "ObbFile"
+#include <utils/Log.h>
+#include <utils/ObbFile.h>
+
+//#define DEBUG 1
+
+#define kFooterTagSize 8  /* last two 32-bit integers */
+
+#define kFooterMinSize 21 /* 32-bit signature version
+                           * 32-bit package version
+                           * 32-bit package name size
+                           * 1-character package name
+                           * 32-bit footer size
+                           * 32-bit footer marker
+                           */
+
+#define kMaxBufSize    32768 /* Maximum file read buffer */
+
+#define kSignature     0x01059983U /* ObbFile signature */
+
+#define kSigVersion    1 /* We only know about signature version 1 */
+
+/* offsets in version 1 of the header */
+#define kPackageVersionOffset 4
+#define kPackageNameLenOffset 8
+#define kPackageNameOffset    12
+
+/*
+ * TEMP_FAILURE_RETRY is defined by some, but not all, versions of
+ * <unistd.h>. (Alas, it is not as standard as we'd hoped!) So, if it's
+ * not already defined, then define it here.
+ */
+#ifndef TEMP_FAILURE_RETRY
+/* Used to retry syscalls that can return EINTR. */
+#define TEMP_FAILURE_RETRY(exp) ({         \
+    typeof (exp) _rc;                      \
+    do {                                   \
+        _rc = (exp);                       \
+    } while (_rc == -1 && errno == EINTR); \
+    _rc; })
+#endif
+
+/*
+ * Work around situations where off_t is 64-bit and use off64_t in
+ * situations where it's 32-bit.
+ */
+#ifdef OFF_T_IS_64_BIT
+#define my_lseek64 lseek
+typedef off_t my_off64_t;
+#else
+#define my_lseek64 lseek64
+typedef off64_t my_off64_t;
+#endif
+
+namespace android {
+
+ObbFile::ObbFile() :
+        mVersion(-1) {
+}
+
+ObbFile::~ObbFile() {
+}
+
+bool ObbFile::readFrom(const char* filename)
+{
+    int fd;
+    bool success = false;
+
+    fd = ::open(filename, O_RDONLY);
+    if (fd < 0) {
+        LOGW("couldn't open file %s: %s", filename, strerror(errno));
+        goto out;
+    }
+    success = readFrom(fd);
+    close(fd);
+
+    if (!success) {
+        LOGW("failed to read from %s (fd=%d)\n", filename, fd);
+    }
+
+out:
+    return success;
+}
+
+bool ObbFile::readFrom(int fd)
+{
+    if (fd < 0) {
+        LOGW("attempt to read from invalid fd\n");
+        return false;
+    }
+
+    return parseObbFile(fd);
+}
+
+bool ObbFile::parseObbFile(int fd)
+{
+    my_off64_t fileLength = my_lseek64(fd, 0, SEEK_END);
+
+    if (fileLength < kFooterMinSize) {
+        if (fileLength < 0) {
+            LOGW("error seeking in ObbFile: %s\n", strerror(errno));
+        } else {
+            LOGW("file is only %lld (less than %d minimum)\n", fileLength, kFooterMinSize);
+        }
+        return false;
+    }
+
+    ssize_t actual;
+    size_t footerSize;
+
+    {
+        my_lseek64(fd, fileLength - kFooterTagSize, SEEK_SET);
+
+        char *footer = new char[kFooterTagSize];
+        actual = TEMP_FAILURE_RETRY(read(fd, footer, kFooterTagSize));
+        if (actual != kFooterTagSize) {
+            LOGW("couldn't read footer signature: %s\n", strerror(errno));
+            return false;
+        }
+
+        unsigned int fileSig = get4LE((unsigned char*)footer + sizeof(int32_t));
+        if (fileSig != kSignature) {
+            LOGW("footer didn't match magic string (expected 0x%08x; got 0x%08x)\n",
+                    kSignature, fileSig);
+            return false;
+        }
+
+        footerSize = get4LE((unsigned char*)footer);
+        if (footerSize > (size_t)fileLength - kFooterTagSize
+                || footerSize > kMaxBufSize) {
+            LOGW("claimed footer size is too large (0x%08zx; file size is 0x%08llx)\n",
+                    footerSize, fileLength);
+            return false;
+        }
+
+        if (footerSize < kFooterMinSize) {
+            LOGW("claimed footer size is too small (%08zx; minimum size is 0x%x)\n",
+                    footerSize, kFooterMinSize);
+            return false;
+        }
+    }
+
+    my_off64_t fileOffset = fileLength - footerSize - kFooterTagSize;
+    if (my_lseek64(fd, fileOffset, SEEK_SET) != fileOffset) {
+        LOGW("seek %lld failed: %s\n", fileOffset, strerror(errno));
+        return false;
+    }
+
+    char* scanBuf = (char*)malloc(footerSize);
+    if (scanBuf == NULL) {
+        LOGW("couldn't allocate scanBuf: %s\n", strerror(errno));
+        return false;
+    }
+
+    actual = TEMP_FAILURE_RETRY(read(fd, scanBuf, footerSize));
+    // readAmount is guaranteed to be less than kMaxBufSize
+    if (actual != (ssize_t)footerSize) {
+        LOGI("couldn't read ObbFile footer: %s\n", strerror(errno));
+        free(scanBuf);
+        return false;
+    }
+
+#ifdef DEBUG
+    for (int i = 0; i < footerSize; ++i) {
+        LOGI("char: 0x%02x", scanBuf[i]);
+    }
+#endif
+
+    uint32_t sigVersion = get4LE((unsigned char*)scanBuf);
+    if (sigVersion != kSigVersion) {
+        LOGW("Unsupported ObbFile version %d\n", sigVersion);
+        free(scanBuf);
+        return false;
+    }
+
+    mVersion = (int32_t) get4LE((unsigned char*)scanBuf + kPackageVersionOffset);
+
+    uint32_t packageNameLen = get4LE((unsigned char*)scanBuf + kPackageNameLenOffset);
+    if (packageNameLen <= 0
+            || packageNameLen > (footerSize - kPackageNameOffset)) {
+        LOGW("bad ObbFile package name length (0x%04x; 0x%04x possible)\n",
+                packageNameLen, footerSize - kPackageNameOffset);
+        free(scanBuf);
+        return false;
+    }
+
+    char* packageName = reinterpret_cast<char*>(scanBuf + kPackageNameOffset);
+    mPackageName = String8(const_cast<char*>(packageName), packageNameLen);
+
+    free(scanBuf);
+
+#ifdef DEBUG
+    LOGI("Obb scan succeeded: packageName=%s, version=%d\n", mPackageName.string(), mVersion);
+#endif
+
+    return true;
+}
+
+bool ObbFile::writeTo(const char* filename)
+{
+    int fd;
+    bool success = false;
+
+    fd = ::open(filename, O_WRONLY);
+    if (fd < 0) {
+        goto out;
+    }
+    success = writeTo(fd);
+    close(fd);
+
+out:
+    if (!success) {
+        LOGW("failed to write to %s: %s\n", filename, strerror(errno));
+    }
+    return success;
+}
+
+bool ObbFile::writeTo(int fd)
+{
+    if (fd < 0) {
+        return false;
+    }
+
+    my_lseek64(fd, 0, SEEK_END);
+
+    if (mPackageName.size() == 0 || mVersion == -1) {
+        LOGW("tried to write uninitialized ObbFile data");
+        return false;
+    }
+
+    unsigned char intBuf[sizeof(uint32_t)+1];
+    memset(&intBuf, 0, sizeof(intBuf));
+
+    put4LE(intBuf, kSigVersion);
+    if (write(fd, &intBuf, sizeof(uint32_t)) != (ssize_t)sizeof(uint32_t)) {
+        LOGW("couldn't write signature version: %s", strerror(errno));
+        return false;
+    }
+
+    put4LE(intBuf, mVersion);
+    if (write(fd, &intBuf, sizeof(uint32_t)) != (ssize_t)sizeof(uint32_t)) {
+        LOGW("couldn't write package version");
+        return false;
+    }
+
+    size_t packageNameLen = mPackageName.size();
+    put4LE(intBuf, packageNameLen);
+    if (write(fd, &intBuf, sizeof(uint32_t)) != (ssize_t)sizeof(uint32_t)) {
+        LOGW("couldn't write package name length: %s", strerror(errno));
+        return false;
+    }
+
+    if (write(fd, mPackageName.string(), packageNameLen) != (ssize_t)packageNameLen) {
+        LOGW("couldn't write package name: %s", strerror(errno));
+        return false;
+    }
+
+    put4LE(intBuf, 3*sizeof(uint32_t) + packageNameLen);
+    if (write(fd, &intBuf, sizeof(uint32_t)) != (ssize_t)sizeof(uint32_t)) {
+        LOGW("couldn't write footer size: %s", strerror(errno));
+        return false;
+    }
+
+    put4LE(intBuf, kSignature);
+    if (write(fd, &intBuf, sizeof(uint32_t)) != (ssize_t)sizeof(uint32_t)) {
+        LOGW("couldn't write footer magic signature: %s", strerror(errno));
+        return false;
+    }
+
+    return true;
+}
+
+}
diff --git a/libs/utils/PollLoop.cpp b/libs/utils/PollLoop.cpp
new file mode 100644
index 0000000..f740fa0
--- /dev/null
+++ b/libs/utils/PollLoop.cpp
@@ -0,0 +1,364 @@
+//
+// Copyright 2010 The Android Open Source Project
+//
+// A select loop implementation.
+//
+#define LOG_TAG "PollLoop"
+
+//#define LOG_NDEBUG 0
+
+// Debugs poll and wake interactions.
+#define DEBUG_POLL_AND_WAKE 0
+
+// Debugs callback registration and invocation.
+#define DEBUG_CALLBACKS 0
+
+#include <cutils/log.h>
+#include <utils/PollLoop.h>
+
+#include <unistd.h>
+#include <fcntl.h>
+
+namespace android {
+
+static pthread_mutex_t gTLSMutex = PTHREAD_MUTEX_INITIALIZER;
+static bool gHaveTLS = false;
+static pthread_key_t gTLS = 0;
+
+PollLoop::PollLoop(bool allowNonCallbacks) :
+        mAllowNonCallbacks(allowNonCallbacks), mPolling(false),
+        mWaiters(0), mPendingFdsPos(0) {
+    openWakePipe();
+}
+
+PollLoop::~PollLoop() {
+    closeWakePipe();
+}
+
+void PollLoop::threadDestructor(void *st) {
+    PollLoop* const self = static_cast<PollLoop*>(st);
+    if (self != NULL) {
+        self->decStrong((void*)threadDestructor);
+    }
+}
+
+void PollLoop::setForThread(const sp<PollLoop>& pollLoop) {
+    sp<PollLoop> old = getForThread();
+    
+    if (pollLoop != NULL) {
+        pollLoop->incStrong((void*)threadDestructor);
+    }
+    
+    pthread_setspecific(gTLS, pollLoop.get());
+    
+    if (old != NULL) {
+        old->decStrong((void*)threadDestructor);
+    }
+}
+    
+sp<PollLoop> PollLoop::getForThread() {
+    if (!gHaveTLS) {
+        pthread_mutex_lock(&gTLSMutex);
+        if (pthread_key_create(&gTLS, threadDestructor) != 0) {
+            pthread_mutex_unlock(&gTLSMutex);
+            return NULL;
+        }
+        gHaveTLS = true;
+        pthread_mutex_unlock(&gTLSMutex);
+    }
+    
+    return (PollLoop*)pthread_getspecific(gTLS);
+}
+
+void PollLoop::openWakePipe() {
+    int wakeFds[2];
+    int result = pipe(wakeFds);
+    LOG_ALWAYS_FATAL_IF(result != 0, "Could not create wake pipe.  errno=%d", errno);
+
+    mWakeReadPipeFd = wakeFds[0];
+    mWakeWritePipeFd = wakeFds[1];
+
+    result = fcntl(mWakeReadPipeFd, F_SETFL, O_NONBLOCK);
+    LOG_ALWAYS_FATAL_IF(result != 0, "Could not make wake read pipe non-blocking.  errno=%d",
+            errno);
+
+    result = fcntl(mWakeWritePipeFd, F_SETFL, O_NONBLOCK);
+    LOG_ALWAYS_FATAL_IF(result != 0, "Could not make wake write pipe non-blocking.  errno=%d",
+            errno);
+
+    // Add the wake pipe to the head of the request list with a null callback.
+    struct pollfd requestedFd;
+    requestedFd.fd = mWakeReadPipeFd;
+    requestedFd.events = POLLIN;
+    mRequestedFds.insertAt(requestedFd, 0);
+
+    RequestedCallback requestedCallback;
+    requestedCallback.callback = NULL;
+    requestedCallback.looperCallback = NULL;
+    requestedCallback.data = NULL;
+    mRequestedCallbacks.insertAt(requestedCallback, 0);
+}
+
+void PollLoop::closeWakePipe() {
+    close(mWakeReadPipeFd);
+    close(mWakeWritePipeFd);
+
+    // Note: We don't need to remove the poll structure or callback entry because this
+    //       method is currently only called by the destructor.
+}
+
+int32_t PollLoop::pollOnce(int timeoutMillis, int* outEvents, void** outData) {
+    // If there are still pending fds from the last call, dispatch those
+    // first, to avoid an earlier fd from starving later ones.
+    const size_t pendingFdsCount = mPendingFds.size();
+    if (mPendingFdsPos < pendingFdsCount) {
+        const PendingCallback& pending = mPendingFds.itemAt(mPendingFdsPos);
+        mPendingFdsPos++;
+        if (outEvents != NULL) *outEvents = pending.events;
+        if (outData != NULL) *outData = pending.data;
+        return pending.fd;
+    }
+    
+    mLock.lock();
+    while (mWaiters != 0) {
+        mResume.wait(mLock);
+    }
+    mPolling = true;
+    mLock.unlock();
+
+    int32_t result;
+    size_t requestedCount = mRequestedFds.size();
+
+#if DEBUG_POLL_AND_WAKE
+    LOGD("%p ~ pollOnce - waiting on %d fds", this, requestedCount);
+    for (size_t i = 0; i < requestedCount; i++) {
+        LOGD("  fd %d - events %d", mRequestedFds[i].fd, mRequestedFds[i].events);
+    }
+#endif
+
+    int respondedCount = poll(mRequestedFds.editArray(), requestedCount, timeoutMillis);
+
+    if (respondedCount == 0) {
+        // Timeout
+#if DEBUG_POLL_AND_WAKE
+        LOGD("%p ~ pollOnce - timeout", this);
+#endif
+        result = POLL_TIMEOUT;
+        goto Done;
+    }
+
+    if (respondedCount < 0) {
+        // Error
+#if DEBUG_POLL_AND_WAKE
+        LOGD("%p ~ pollOnce - error, errno=%d", this, errno);
+#endif
+        if (errno != EINTR) {
+            LOGW("Poll failed with an unexpected error, errno=%d", errno);
+        }
+        result = POLL_ERROR;
+        goto Done;
+    }
+
+#if DEBUG_POLL_AND_WAKE
+    LOGD("%p ~ pollOnce - handling responses from %d fds", this, respondedCount);
+    for (size_t i = 0; i < requestedCount; i++) {
+        LOGD("  fd %d - events %d, revents %d", mRequestedFds[i].fd, mRequestedFds[i].events,
+                mRequestedFds[i].revents);
+    }
+#endif
+
+    mPendingCallbacks.clear();
+    mPendingFds.clear();
+    mPendingFdsPos = 0;
+    if (outEvents != NULL) *outEvents = 0;
+    if (outData != NULL) *outData = NULL;
+    
+    result = POLL_CALLBACK;
+    for (size_t i = 0; i < requestedCount; i++) {
+        const struct pollfd& requestedFd = mRequestedFds.itemAt(i);
+
+        short revents = requestedFd.revents;
+        if (revents) {
+            const RequestedCallback& requestedCallback = mRequestedCallbacks.itemAt(i);
+            PendingCallback pending;
+            pending.fd = requestedFd.fd;
+            pending.events = revents;
+            pending.callback = requestedCallback.callback;
+            pending.looperCallback = requestedCallback.looperCallback;
+            pending.data = requestedCallback.data;
+
+            if (pending.callback || pending.looperCallback) {
+                mPendingCallbacks.push(pending);
+            } else if (pending.fd != mWakeReadPipeFd) {
+                if (result == POLL_CALLBACK) {
+                    result = pending.fd;
+                    if (outEvents != NULL) *outEvents = pending.events;
+                    if (outData != NULL) *outData = pending.data;
+                } else {
+                    mPendingFds.push(pending);
+                }
+            } else {
+#if DEBUG_POLL_AND_WAKE
+                LOGD("%p ~ pollOnce - awoken", this);
+#endif
+                char buffer[16];
+                ssize_t nRead;
+                do {
+                    nRead = read(mWakeReadPipeFd, buffer, sizeof(buffer));
+                } while (nRead == sizeof(buffer));
+            }
+
+            respondedCount -= 1;
+            if (respondedCount == 0) {
+                break;
+            }
+        }
+    }
+
+Done:
+    mLock.lock();
+    mPolling = false;
+    if (mWaiters != 0) {
+        mAwake.broadcast();
+    }
+    mLock.unlock();
+
+    if (result == POLL_CALLBACK || result >= 0) {
+        size_t pendingCount = mPendingCallbacks.size();
+        for (size_t i = 0; i < pendingCount; i++) {
+            const PendingCallback& pendingCallback = mPendingCallbacks.itemAt(i);
+#if DEBUG_POLL_AND_WAKE || DEBUG_CALLBACKS
+            LOGD("%p ~ pollOnce - invoking callback for fd %d", this, pendingCallback.fd);
+#endif
+
+            bool keep = true;
+            if (pendingCallback.callback != NULL) {
+                keep = pendingCallback.callback(pendingCallback.fd, pendingCallback.events,
+                        pendingCallback.data);
+            } else {
+                keep = pendingCallback.looperCallback(pendingCallback.fd, pendingCallback.events,
+                        pendingCallback.data) != 0;
+            }
+            if (! keep) {
+                removeCallback(pendingCallback.fd);
+            }
+        }
+    }
+
+#if DEBUG_POLL_AND_WAKE
+    LOGD("%p ~ pollOnce - done", this);
+#endif
+    return result;
+}
+
+void PollLoop::wake() {
+#if DEBUG_POLL_AND_WAKE
+    LOGD("%p ~ wake", this);
+#endif
+
+    ssize_t nWrite = write(mWakeWritePipeFd, "W", 1);
+    if (nWrite != 1) {
+        if (errno != EAGAIN) {
+            LOGW("Could not write wake signal, errno=%d", errno);
+        }
+    }
+}
+
+bool PollLoop::getAllowNonCallbacks() const {
+    return mAllowNonCallbacks;
+}
+
+void PollLoop::setCallback(int fd, int events, Callback callback, void* data) {
+    setCallbackCommon(fd, events, callback, NULL, data);
+}
+
+void PollLoop::setLooperCallback(int fd, int events, ALooper_callbackFunc* callback,
+        void* data) {
+    setCallbackCommon(fd, events, NULL, callback, data);
+}
+
+void PollLoop::setCallbackCommon(int fd, int events, Callback callback,
+        ALooper_callbackFunc* looperCallback, void* data) {
+
+#if DEBUG_CALLBACKS
+    LOGD("%p ~ setCallback - fd=%d, events=%d", this, fd, events);
+#endif
+
+    if (! events) {
+        LOGE("Invalid attempt to set a callback with no selected poll events.");
+        removeCallback(fd);
+        return;
+    }
+
+    if (! callback && ! looperCallback && ! mAllowNonCallbacks) {
+        LOGE("Invalid attempt to set NULL callback but not allowed.");
+        removeCallback(fd);
+        return;
+    }
+    
+    wakeAndLock();
+
+    struct pollfd requestedFd;
+    requestedFd.fd = fd;
+    requestedFd.events = events;
+
+    RequestedCallback requestedCallback;
+    requestedCallback.callback = callback;
+    requestedCallback.looperCallback = looperCallback;
+    requestedCallback.data = data;
+
+    ssize_t index = getRequestIndexLocked(fd);
+    if (index < 0) {
+        mRequestedFds.push(requestedFd);
+        mRequestedCallbacks.push(requestedCallback);
+    } else {
+        mRequestedFds.replaceAt(requestedFd, size_t(index));
+        mRequestedCallbacks.replaceAt(requestedCallback, size_t(index));
+    }
+
+    mLock.unlock();
+}
+
+bool PollLoop::removeCallback(int fd) {
+#if DEBUG_CALLBACKS
+    LOGD("%p ~ removeCallback - fd=%d", this, fd);
+#endif
+
+    wakeAndLock();
+
+    ssize_t index = getRequestIndexLocked(fd);
+    if (index >= 0) {
+        mRequestedFds.removeAt(size_t(index));
+        mRequestedCallbacks.removeAt(size_t(index));
+    }
+
+    mLock.unlock();
+    return index >= 0;
+}
+
+ssize_t PollLoop::getRequestIndexLocked(int fd) {
+    size_t requestCount = mRequestedFds.size();
+
+    for (size_t i = 0; i < requestCount; i++) {
+        if (mRequestedFds.itemAt(i).fd == fd) {
+            return i;
+        }
+    }
+
+    return -1;
+}
+
+void PollLoop::wakeAndLock() {
+    mLock.lock();
+    mWaiters += 1;
+    while (mPolling) {
+        wake();
+        mAwake.wait(mLock);
+    }
+    mWaiters -= 1;
+    if (mWaiters == 0) {
+        mResume.signal();
+    }
+}
+
+} // namespace android
diff --git a/libs/utils/Pool.cpp b/libs/utils/Pool.cpp
new file mode 100644
index 0000000..8f18cb9
--- /dev/null
+++ b/libs/utils/Pool.cpp
@@ -0,0 +1,37 @@
+//
+// Copyright 2010 The Android Open Source Project
+//
+// A simple memory pool.
+//
+#define LOG_TAG "Pool"
+
+//#define LOG_NDEBUG 0
+
+#include <cutils/log.h>
+#include <utils/Pool.h>
+
+#include <stdlib.h>
+
+namespace android {
+
+// TODO Provide a real implementation of a pool.  This is just a stub for initial development.
+
+PoolImpl::PoolImpl(size_t objSize) :
+    mObjSize(objSize) {
+}
+
+PoolImpl::~PoolImpl() {
+}
+
+void* PoolImpl::allocImpl() {
+    void* ptr = malloc(mObjSize);
+    LOG_ALWAYS_FATAL_IF(ptr == NULL, "Cannot allocate new pool object.");
+    return ptr;
+}
+
+void PoolImpl::freeImpl(void* obj) {
+    LOG_ALWAYS_FATAL_IF(obj == NULL, "Caller attempted to free NULL pool object.");
+    return free(obj);
+}
+
+} // namespace android
diff --git a/libs/utils/ResourceTypes.cpp b/libs/utils/ResourceTypes.cpp
index 7e0f881..a1401ad 100644
--- a/libs/utils/ResourceTypes.cpp
+++ b/libs/utils/ResourceTypes.cpp
@@ -4178,6 +4178,9 @@
                             case ResTable_config::SCREENSIZE_LARGE:
                                 printf(" (large)");
                                 break;
+                            case ResTable_config::SCREENSIZE_XLARGE:
+                                printf(" (xlarge)");
+                                break;
                         }
                         printf(" lng=%d",
                                 type->config.screenLayout&ResTable_config::MASK_SCREENLONG);
diff --git a/libs/utils/StopWatch.cpp b/libs/utils/StopWatch.cpp
index 68a1c52..b5dda2f 100644
--- a/libs/utils/StopWatch.cpp
+++ b/libs/utils/StopWatch.cpp
@@ -30,10 +30,9 @@
 
 
 StopWatch::StopWatch(const char *name, int clock, uint32_t flags)
-    :   mName(name), mClock(clock), mFlags(flags),
-        mStartTime(0), mNumLaps(0)
+    :   mName(name), mClock(clock), mFlags(flags)
 {
-    mStartTime = systemTime(mClock);
+    reset();
 }
 
 StopWatch::~StopWatch()
@@ -72,6 +71,12 @@
     return systemTime(mClock) - mStartTime;
 }
 
+void StopWatch::reset()
+{
+    mNumLaps = 0;
+    mStartTime = systemTime(mClock);
+}
+
 
 /*****************************************************************************/
 
diff --git a/libs/utils/String8.cpp b/libs/utils/String8.cpp
index 636cd83..1c4f80c 100644
--- a/libs/utils/String8.cpp
+++ b/libs/utils/String8.cpp
@@ -301,8 +301,9 @@
 
 status_t String8::setTo(const char* other)
 {
+    const char *newString = allocFromUTF8(other, strlen(other));
     SharedBuffer::bufferFromData(mString)->release();
-    mString = allocFromUTF8(other, strlen(other));
+    mString = newString;
     if (mString) return NO_ERROR;
 
     mString = getEmptyString();
@@ -311,8 +312,9 @@
 
 status_t String8::setTo(const char* other, size_t len)
 {
+    const char *newString = allocFromUTF8(other, len);
     SharedBuffer::bufferFromData(mString)->release();
-    mString = allocFromUTF8(other, len);
+    mString = newString;
     if (mString) return NO_ERROR;
 
     mString = getEmptyString();
@@ -321,8 +323,9 @@
 
 status_t String8::setTo(const char16_t* other, size_t len)
 {
+    const char *newString = allocFromUTF16(other, len);
     SharedBuffer::bufferFromData(mString)->release();
-    mString = allocFromUTF16(other, len);
+    mString = newString;
     if (mString) return NO_ERROR;
 
     mString = getEmptyString();
@@ -331,8 +334,9 @@
 
 status_t String8::setTo(const char32_t* other, size_t len)
 {
+    const char *newString = allocFromUTF32(other, len);
     SharedBuffer::bufferFromData(mString)->release();
-    mString = allocFromUTF32(other, len);
+    mString = newString;
     if (mString) return NO_ERROR;
 
     mString = getEmptyString();
@@ -368,6 +372,27 @@
     return real_append(other, otherLen);
 }
 
+status_t String8::appendFormat(const char* fmt, ...)
+{
+    va_list ap;
+    va_start(ap, fmt);
+
+    int result = NO_ERROR;
+    int n = vsnprintf(NULL, 0, fmt, ap);
+    if (n != 0) {
+        size_t oldLength = length();
+        char* buf = lockBuffer(oldLength + n);
+        if (buf) {
+            vsnprintf(buf + oldLength, n + 1, fmt, ap);
+        } else {
+            result = NO_MEMORY;
+        }
+    }
+
+    va_end(ap);
+    return result;
+}
+
 status_t String8::real_append(const char* other, size_t otherLen)
 {
     const size_t myLen = bytes();
@@ -407,15 +432,16 @@
     if (size != this->size()) {
         SharedBuffer* buf = SharedBuffer::bufferFromData(mString)
             ->editResize(size+1);
-        if (buf) {
-            char* str = (char*)buf->data();
-            str[size] = 0;
-            mString = str;
-            return NO_ERROR;
+        if (! buf) {
+            return NO_MEMORY;
         }
+
+        char* str = (char*)buf->data();
+        str[size] = 0;
+        mString = str;
     }
-    
-    return NO_MEMORY;
+
+    return NO_ERROR;
 }
 
 ssize_t String8::find(const char* other, size_t start) const
diff --git a/libs/utils/VectorImpl.cpp b/libs/utils/VectorImpl.cpp
index 0322af7..289c826 100644
--- a/libs/utils/VectorImpl.cpp
+++ b/libs/utils/VectorImpl.cpp
@@ -108,13 +108,7 @@
 
 ssize_t VectorImpl::insertVectorAt(const VectorImpl& vector, size_t index)
 {
-    if (index > size())
-        return BAD_INDEX;
-    void* where = _grow(index, vector.size());
-    if (where) {
-        _do_copy(where, vector.arrayImpl(), vector.size());
-    }
-    return where ? index : (ssize_t)NO_MEMORY;
+    return insertArrayAt(vector.arrayImpl(), index, vector.size());
 }
 
 ssize_t VectorImpl::appendVector(const VectorImpl& vector)
@@ -122,6 +116,22 @@
     return insertVectorAt(vector, size());
 }
 
+ssize_t VectorImpl::insertArrayAt(const void* array, size_t index, size_t length)
+{
+    if (index > size())
+        return BAD_INDEX;
+    void* where = _grow(index, length);
+    if (where) {
+        _do_copy(where, array, length);
+    }
+    return where ? index : (ssize_t)NO_MEMORY;
+}
+
+ssize_t VectorImpl::appendArray(const void* array, size_t length)
+{
+    return insertArrayAt(array, size(), length);
+}
+
 ssize_t VectorImpl::insertAt(size_t index, size_t numItems)
 {
     return insertAt(0, index, numItems);
diff --git a/libs/utils/ZipFileCRO.cpp b/libs/utils/ZipFileCRO.cpp
index 45f6c8b..16b219c 100644
--- a/libs/utils/ZipFileCRO.cpp
+++ b/libs/utils/ZipFileCRO.cpp
@@ -39,8 +39,8 @@
 }
 
 bool ZipFileCRO_getEntryInfo(ZipFileCRO zipToken, ZipEntryRO entryToken,
-        int* pMethod, long* pUncompLen,
-        long* pCompLen, off_t* pOffset, long* pModWhen, long* pCrc32) {
+        int* pMethod, size_t* pUncompLen,
+        size_t* pCompLen, off_t* pOffset, long* pModWhen, long* pCrc32) {
     ZipFileRO* zip = (ZipFileRO*)zipToken;
     ZipEntryRO entry = (ZipEntryRO)entryToken;
     return zip->getEntryInfo(entry, pMethod, pUncompLen, pCompLen, pOffset,
diff --git a/libs/utils/ZipFileRO.cpp b/libs/utils/ZipFileRO.cpp
index 6c701dd..28dc512 100644
--- a/libs/utils/ZipFileRO.cpp
+++ b/libs/utils/ZipFileRO.cpp
@@ -29,6 +29,22 @@
 #include <fcntl.h>
 #include <errno.h>
 #include <assert.h>
+#include <unistd.h>
+
+/*
+ * TEMP_FAILURE_RETRY is defined by some, but not all, versions of
+ * <unistd.h>. (Alas, it is not as standard as we'd hoped!) So, if it's
+ * not already defined, then define it here.
+ */
+#ifndef TEMP_FAILURE_RETRY
+/* Used to retry syscalls that can return EINTR. */
+#define TEMP_FAILURE_RETRY(exp) ({         \
+    typeof (exp) _rc;                      \
+    do {                                   \
+        _rc = (exp);                       \
+    } while (_rc == -1 && errno == EINTR); \
+    _rc; })
+#endif
 
 using namespace android;
 
@@ -38,6 +54,7 @@
 #define kEOCDSignature      0x06054b50
 #define kEOCDLen            22
 #define kEOCDNumEntries     8               // offset to #of entries in file
+#define kEOCDSize           12              // size of the central directory
 #define kEOCDFileOffset     16              // offset to central directory
 
 #define kMaxCommentLen      65535           // longest possible in ushort
@@ -90,9 +107,8 @@
 status_t ZipFileRO::open(const char* zipFileName)
 {
     int fd = -1;
-    off_t length;
 
-    assert(mFileMap == NULL);
+    assert(mDirectoryMap == NULL);
 
     /*
      * Open and map the specified file.
@@ -103,172 +119,240 @@
         return NAME_NOT_FOUND;
     }
 
-    length = lseek(fd, 0, SEEK_END);
-    if (length < 0) {
+    mFileLength = lseek(fd, 0, SEEK_END);
+    if (mFileLength < kEOCDLen) {
         close(fd);
         return UNKNOWN_ERROR;
     }
 
-    mFileMap = new FileMap();
-    if (mFileMap == NULL) {
-        close(fd);
-        return NO_MEMORY;
+    if (mFileName != NULL) {
+        free(mFileName);
     }
-    if (!mFileMap->create(zipFileName, fd, 0, length, true)) {
-        LOGW("Unable to map '%s': %s\n", zipFileName, strerror(errno));
-        close(fd);
-        return UNKNOWN_ERROR;
-    }
+    mFileName = strdup(zipFileName);
 
     mFd = fd;
 
     /*
-     * Got it mapped, verify it and create data structures for fast access.
+     * Find the Central Directory and store its size and number of entries.
+     */
+    if (!mapCentralDirectory()) {
+        goto bail;
+    }
+
+    /*
+     * Verify Central Directory and create data structures for fast access.
      */
     if (!parseZipArchive()) {
-        mFileMap->release();
-        mFileMap = NULL;
-        return UNKNOWN_ERROR;
+        goto bail;
     }
 
     return OK;
+
+bail:
+    free(mFileName);
+    mFileName = NULL;
+    close(fd);
+    return UNKNOWN_ERROR;
 }
 
 /*
  * Parse the Zip archive, verifying its contents and initializing internal
  * data structures.
  */
+bool ZipFileRO::mapCentralDirectory(void)
+{
+    size_t readAmount = kMaxEOCDSearch;
+    if (readAmount > (size_t) mFileLength)
+        readAmount = mFileLength;
+
+    unsigned char* scanBuf = (unsigned char*) malloc(readAmount);
+    if (scanBuf == NULL) {
+        LOGW("couldn't allocate scanBuf: %s", strerror(errno));
+        free(scanBuf);
+        return false;
+    }
+
+    /*
+     * Make sure this is a Zip archive.
+     */
+    if (lseek(mFd, 0, SEEK_SET) != 0) {
+        LOGW("seek to start failed: %s", strerror(errno));
+        free(scanBuf);
+        return false;
+    }
+
+    ssize_t actual = TEMP_FAILURE_RETRY(read(mFd, scanBuf, sizeof(int32_t)));
+    if (actual != (ssize_t) sizeof(int32_t)) {
+        LOGI("couldn't read first signature from zip archive: %s", strerror(errno));
+        free(scanBuf);
+        return false;
+    }
+
+    {
+        unsigned int header = get4LE(scanBuf);
+        if (header == kEOCDSignature) {
+            LOGI("Found Zip archive, but it looks empty\n");
+            free(scanBuf);
+            return false;
+        } else if (header != kLFHSignature) {
+            LOGV("Not a Zip archive (found 0x%08x)\n", val);
+            free(scanBuf);
+            return false;
+        }
+    }
+
+    /*
+     * Perform the traditional EOCD snipe hunt.
+     *
+     * We're searching for the End of Central Directory magic number,
+     * which appears at the start of the EOCD block.  It's followed by
+     * 18 bytes of EOCD stuff and up to 64KB of archive comment.  We
+     * need to read the last part of the file into a buffer, dig through
+     * it to find the magic number, parse some values out, and use those
+     * to determine the extent of the CD.
+     *
+     * We start by pulling in the last part of the file.
+     */
+    off_t searchStart = mFileLength - readAmount;
+
+    if (lseek(mFd, searchStart, SEEK_SET) != searchStart) {
+        LOGW("seek %ld failed: %s\n",  (long) searchStart, strerror(errno));
+        free(scanBuf);
+        return false;
+    }
+    actual = TEMP_FAILURE_RETRY(read(mFd, scanBuf, readAmount));
+    if (actual != (ssize_t) readAmount) {
+        LOGW("Zip: read %zd failed: %s\n", readAmount, strerror(errno));
+        free(scanBuf);
+        return false;
+    }
+
+    /*
+     * Scan backward for the EOCD magic.  In an archive without a trailing
+     * comment, we'll find it on the first try.  (We may want to consider
+     * doing an initial minimal read; if we don't find it, retry with a
+     * second read as above.)
+     */
+    int i;
+    for (i = readAmount - kEOCDLen; i >= 0; i--) {
+        if (scanBuf[i] == 0x50 && get4LE(&scanBuf[i]) == kEOCDSignature) {
+            LOGV("+++ Found EOCD at buf+%d\n", i);
+            break;
+        }
+    }
+    if (i < 0) {
+        LOGD("Zip: EOCD not found, %s is not zip\n", mFileName);
+        free(scanBuf);
+        return false;
+    }
+
+    off_t eocdOffset = searchStart + i;
+    const unsigned char* eocdPtr = scanBuf + i;
+
+    assert(eocdOffset < mFileLength);
+
+    /*
+     * Grab the CD offset and size, and the number of entries in the
+     * archive.  Verify that they look reasonable.
+     */
+    unsigned int numEntries = get2LE(eocdPtr + kEOCDNumEntries);
+    unsigned int dirSize = get4LE(eocdPtr + kEOCDSize);
+    unsigned int dirOffset = get4LE(eocdPtr + kEOCDFileOffset);
+
+    if ((long long) dirOffset + (long long) dirSize > (long long) eocdOffset) {
+        LOGW("bad offsets (dir %ld, size %u, eocd %ld)\n",
+            (long) dirOffset, dirSize, (long) eocdOffset);
+        free(scanBuf);
+        return false;
+    }
+    if (numEntries == 0) {
+        LOGW("empty archive?\n");
+        free(scanBuf);
+        return false;
+    }
+
+    LOGV("+++ numEntries=%d dirSize=%d dirOffset=%d\n",
+        numEntries, dirSize, dirOffset);
+
+    mDirectoryMap = new FileMap();
+    if (mDirectoryMap == NULL) {
+        LOGW("Unable to create directory map: %s", strerror(errno));
+        free(scanBuf);
+        return false;
+    }
+
+    if (!mDirectoryMap->create(mFileName, mFd, dirOffset, dirSize, true)) {
+        LOGW("Unable to map '%s' (%zd to %zd): %s\n", mFileName,
+                dirOffset, dirOffset + dirSize, strerror(errno));
+        free(scanBuf);
+        return false;
+    }
+
+    mNumEntries = numEntries;
+    mDirectoryOffset = dirOffset;
+
+    return true;
+}
+
 bool ZipFileRO::parseZipArchive(void)
 {
-#define CHECK_OFFSET(_off) {                                                \
-        if ((unsigned int) (_off) >= maxOffset) {                           \
-            LOGE("ERROR: bad offset %u (max %d): %s\n",                     \
-                (unsigned int) (_off), maxOffset, #_off);                   \
-            goto bail;                                                      \
-        }                                                                   \
-    }
-    const unsigned char* basePtr = (const unsigned char*)mFileMap->getDataPtr();
-    const unsigned char* ptr;
-    size_t length = mFileMap->getDataLength();
     bool result = false;
-    unsigned int i, numEntries, cdOffset;
-    unsigned int val;
-
-    /*
-     * The first 4 bytes of the file will either be the local header
-     * signature for the first file (kLFHSignature) or, if the archive doesn't
-     * have any files in it, the end-of-central-directory signature
-     * (kEOCDSignature).
-     */
-    val = get4LE(basePtr);
-    if (val == kEOCDSignature) {
-        LOGI("Found Zip archive, but it looks empty\n");
-        goto bail;
-    } else if (val != kLFHSignature) {
-        LOGV("Not a Zip archive (found 0x%08x)\n", val);
-        goto bail;
-    }
-
-    /*
-     * Find the EOCD.  We'll find it immediately unless they have a file
-     * comment.
-     */
-    ptr = basePtr + length - kEOCDLen;
-
-    while (ptr >= basePtr) {
-        if (*ptr == (kEOCDSignature & 0xff) && get4LE(ptr) == kEOCDSignature)
-            break;
-        ptr--;
-    }
-    if (ptr < basePtr) {
-        LOGI("Could not find end-of-central-directory in Zip\n");
-        goto bail;
-    }
-
-    /*
-     * There are two interesting items in the EOCD block: the number of
-     * entries in the file, and the file offset of the start of the
-     * central directory.
-     *
-     * (There's actually a count of the #of entries in this file, and for
-     * all files which comprise a spanned archive, but for our purposes
-     * we're only interested in the current file.  Besides, we expect the
-     * two to be equivalent for our stuff.)
-     */
-    numEntries = get2LE(ptr + kEOCDNumEntries);
-    cdOffset = get4LE(ptr + kEOCDFileOffset);
-
-    /* valid offsets are [0,EOCD] */
-    unsigned int maxOffset;
-    maxOffset = (ptr - basePtr) +1;
-
-    LOGV("+++ numEntries=%d cdOffset=%d\n", numEntries, cdOffset);
-    if (numEntries == 0 || cdOffset >= length) {
-        LOGW("Invalid entries=%d offset=%d (len=%zd)\n",
-            numEntries, cdOffset, length);
-        goto bail;
-    }
+    const unsigned char* cdPtr = (const unsigned char*) mDirectoryMap->getDataPtr();
+    size_t cdLength = mDirectoryMap->getDataLength();
+    int numEntries = mNumEntries;
 
     /*
      * Create hash table.  We have a minimum 75% load factor, possibly as
      * low as 50% after we round off to a power of 2.
      */
-    mNumEntries = numEntries;
-    mHashTableSize = roundUpPower2(1 + ((numEntries * 4) / 3));
-    mHashTable = (HashEntry*) calloc(1, sizeof(HashEntry) * mHashTableSize);
+    mHashTableSize = roundUpPower2(1 + (numEntries * 4) / 3);
+    mHashTable = (HashEntry*) calloc(mHashTableSize, sizeof(HashEntry));
 
     /*
      * Walk through the central directory, adding entries to the hash
      * table.
      */
-    ptr = basePtr + cdOffset;
-    for (i = 0; i < numEntries; i++) {
-        unsigned int fileNameLen, extraLen, commentLen, localHdrOffset;
-        const unsigned char* localHdr;
-        unsigned int hash;
-
+    const unsigned char* ptr = cdPtr;
+    for (int i = 0; i < numEntries; i++) {
         if (get4LE(ptr) != kCDESignature) {
             LOGW("Missed a central dir sig (at %d)\n", i);
             goto bail;
         }
-        if (ptr + kCDELen > basePtr + length) {
+        if (ptr + kCDELen > cdPtr + cdLength) {
             LOGW("Ran off the end (at %d)\n", i);
             goto bail;
         }
 
-        localHdrOffset = get4LE(ptr + kCDELocalOffset);
-        CHECK_OFFSET(localHdrOffset);
+        long localHdrOffset = (long) get4LE(ptr + kCDELocalOffset);
+        if (localHdrOffset >= mDirectoryOffset) {
+            LOGW("bad LFH offset %ld at entry %d\n", localHdrOffset, i);
+            goto bail;
+        }
+
+        unsigned int fileNameLen, extraLen, commentLen, hash;
+
         fileNameLen = get2LE(ptr + kCDENameLen);
         extraLen = get2LE(ptr + kCDEExtraLen);
         commentLen = get2LE(ptr + kCDECommentLen);
 
-        //LOGV("+++ %d: localHdr=%d fnl=%d el=%d cl=%d\n",
-        //    i, localHdrOffset, fileNameLen, extraLen, commentLen);
-        //LOGV(" '%.*s'\n", fileNameLen, ptr + kCDELen);
-
         /* add the CDE filename to the hash table */
         hash = computeHash((const char*)ptr + kCDELen, fileNameLen);
         addToHash((const char*)ptr + kCDELen, fileNameLen, hash);
 
-        localHdr = basePtr + localHdrOffset;
-        if (get4LE(localHdr) != kLFHSignature) {
-            LOGW("Bad offset to local header: %d (at %d)\n",
-                localHdrOffset, i);
+        ptr += kCDELen + fileNameLen + extraLen + commentLen;
+        if ((size_t)(ptr - cdPtr) > cdLength) {
+            LOGW("bad CD advance (%d vs %zd) at entry %d\n",
+                (int) (ptr - cdPtr), cdLength, i);
             goto bail;
         }
-
-        ptr += kCDELen + fileNameLen + extraLen + commentLen;
-        CHECK_OFFSET(ptr - basePtr);
     }
-
+    LOGV("+++ zip good scan %d entries\n", numEntries);
     result = true;
 
 bail:
     return result;
-#undef CHECK_OFFSET
 }
 
-
 /*
  * Simple string hash function for non-null-terminated strings.
  */
@@ -315,7 +399,7 @@
             memcmp(mHashTable[ent].name, fileName, nameLen) == 0)
         {
             /* match */
-            return (ZipEntryRO) (ent + kZipEntryAdj);
+            return (ZipEntryRO)(long)(ent + kZipEntryAdj);
         }
 
         ent = (ent + 1) & (mHashTableSize-1);
@@ -354,20 +438,24 @@
  * Returns "false" if the offsets to the fields or the contents of the fields
  * appear to be bogus.
  */
-bool ZipFileRO::getEntryInfo(ZipEntryRO entry, int* pMethod, long* pUncompLen,
-    long* pCompLen, off_t* pOffset, long* pModWhen, long* pCrc32) const
+bool ZipFileRO::getEntryInfo(ZipEntryRO entry, int* pMethod, size_t* pUncompLen,
+    size_t* pCompLen, off_t* pOffset, long* pModWhen, long* pCrc32) const
 {
-    int ent = entryToIndex(entry);
+    bool ret = false;
+
+    const int ent = entryToIndex(entry);
     if (ent < 0)
         return false;
 
+    HashEntry hashEntry = mHashTable[ent];
+
     /*
      * Recover the start of the central directory entry from the filename
-     * pointer.
+     * pointer.  The filename is the first entry past the fixed-size data,
+     * so we can just subtract back from that.
      */
-    const unsigned char* basePtr = (const unsigned char*)mFileMap->getDataPtr();
-    const unsigned char* ptr = (const unsigned char*) mHashTable[ent].name;
-    size_t zipLength = mFileMap->getDataLength();
+    const unsigned char* ptr = (const unsigned char*) hashEntry.name;
+    off_t cdOffset = mDirectoryOffset;
 
     ptr -= kCDELen;
 
@@ -380,48 +468,78 @@
     if (pCrc32 != NULL)
         *pCrc32 = get4LE(ptr + kCDECRC);
 
+    size_t compLen = get4LE(ptr + kCDECompLen);
+    if (pCompLen != NULL)
+        *pCompLen = compLen;
+    size_t uncompLen = get4LE(ptr + kCDEUncompLen);
+    if (pUncompLen != NULL)
+        *pUncompLen = uncompLen;
+
     /*
-     * We need to make sure that the lengths are not so large that somebody
-     * trying to map the compressed or uncompressed data runs off the end
-     * of the mapped region.
+     * If requested, determine the offset of the start of the data.  All we
+     * have is the offset to the Local File Header, which is variable size,
+     * so we have to read the contents of the struct to figure out where
+     * the actual data starts.
+     *
+     * We also need to make sure that the lengths are not so large that
+     * somebody trying to map the compressed or uncompressed data runs
+     * off the end of the mapped region.
+     *
+     * Note we don't verify compLen/uncompLen if they don't request the
+     * dataOffset, because dataOffset is expensive to determine.  However,
+     * if they don't have the file offset, they're not likely to be doing
+     * anything with the contents.
      */
-    unsigned long localHdrOffset = get4LE(ptr + kCDELocalOffset);
-    if (localHdrOffset + kLFHLen >= zipLength) {
-        LOGE("ERROR: bad local hdr offset in zip\n");
-        return false;
-    }
-    const unsigned char* localHdr = basePtr + localHdrOffset;
-    off_t dataOffset = localHdrOffset + kLFHLen
-        + get2LE(localHdr + kLFHNameLen) + get2LE(localHdr + kLFHExtraLen);
-    if ((unsigned long) dataOffset >= zipLength) {
-        LOGE("ERROR: bad data offset in zip\n");
-        return false;
-    }
-
-    if (pCompLen != NULL) {
-        *pCompLen = get4LE(ptr + kCDECompLen);
-        if (*pCompLen < 0 || (size_t)(dataOffset + *pCompLen) >= zipLength) {
-            LOGE("ERROR: bad compressed length in zip\n");
-            return false;
-        }
-    }
-    if (pUncompLen != NULL) {
-        *pUncompLen = get4LE(ptr + kCDEUncompLen);
-        if (*pUncompLen < 0) {
-            LOGE("ERROR: negative uncompressed length in zip\n");
-            return false;
-        }
-        if (method == kCompressStored &&
-            (size_t)(dataOffset + *pUncompLen) >= zipLength)
-        {
-            LOGE("ERROR: bad uncompressed length in zip\n");
-            return false;
-        }
-    }
-
     if (pOffset != NULL) {
+        long localHdrOffset = get4LE(ptr + kCDELocalOffset);
+        if (localHdrOffset + kLFHLen >= cdOffset) {
+            LOGE("ERROR: bad local hdr offset in zip\n");
+            return false;
+        }
+
+        unsigned char lfhBuf[kLFHLen];
+        if (lseek(mFd, localHdrOffset, SEEK_SET) != localHdrOffset) {
+            LOGW("failed seeking to lfh at offset %ld\n", localHdrOffset);
+            return false;
+        }
+        ssize_t actual =
+            TEMP_FAILURE_RETRY(read(mFd, lfhBuf, sizeof(lfhBuf)));
+        if (actual != sizeof(lfhBuf)) {
+            LOGW("failed reading lfh from offset %ld\n", localHdrOffset);
+            return false;
+        }
+
+        if (get4LE(lfhBuf) != kLFHSignature) {
+            LOGW("didn't find signature at start of lfh, offset=%ld\n",
+                localHdrOffset);
+            return false;
+        }
+
+        off_t dataOffset = localHdrOffset + kLFHLen
+            + get2LE(lfhBuf + kLFHNameLen) + get2LE(lfhBuf + kLFHExtraLen);
+        if (dataOffset >= cdOffset) {
+            LOGW("bad data offset %ld in zip\n", (long) dataOffset);
+            return false;
+        }
+
+        /* check lengths */
+        if ((off_t)(dataOffset + compLen) > cdOffset) {
+            LOGW("bad compressed length in zip (%ld + %zd > %ld)\n",
+                (long) dataOffset, compLen, (long) cdOffset);
+            return false;
+        }
+
+        if (method == kCompressStored &&
+            (off_t)(dataOffset + uncompLen) > cdOffset)
+        {
+            LOGE("ERROR: bad uncompressed length in zip (%ld + %zd > %ld)\n",
+                (long) dataOffset, uncompLen, (long) cdOffset);
+            return false;
+        }
+
         *pOffset = dataOffset;
     }
+
     return true;
 }
 
@@ -457,14 +575,14 @@
      */
 
     FileMap* newMap;
-    long compLen;
+    size_t compLen;
     off_t offset;
 
     if (!getEntryInfo(entry, NULL, NULL, &compLen, &offset, NULL, NULL))
         return NULL;
 
     newMap = new FileMap();
-    if (!newMap->create(mFileMap->getFileName(), mFd, offset, compLen, true)) {
+    if (!newMap->create(mFileName, mFd, offset, compLen, true)) {
         newMap->release();
         return NULL;
     }
@@ -480,19 +598,26 @@
  */
 bool ZipFileRO::uncompressEntry(ZipEntryRO entry, void* buffer) const
 {
-    const int kSequentialMin = 32768;
+    const size_t kSequentialMin = 32768;
     bool result = false;
     int ent = entryToIndex(entry);
     if (ent < 0)
         return -1;
 
-    const unsigned char* basePtr = (const unsigned char*)mFileMap->getDataPtr();
     int method;
-    long uncompLen, compLen;
+    size_t uncompLen, compLen;
     off_t offset;
+    const unsigned char* ptr;
 
     getEntryInfo(entry, &method, &uncompLen, &compLen, &offset, NULL, NULL);
 
+    FileMap* file = createEntryFileMap(entry);
+    if (file == NULL) {
+        goto bail;
+    }
+
+    ptr = (const unsigned char*) file->getDataPtr();
+
     /*
      * Experiment with madvise hint.  When we want to uncompress a file,
      * we pull some stuff out of the central dir entry and then hit a
@@ -507,17 +632,17 @@
      * pair of system calls are negated by a reduction in page faults.
      */
     if (compLen > kSequentialMin)
-        mFileMap->advise(FileMap::SEQUENTIAL);
+        file->advise(FileMap::SEQUENTIAL);
 
     if (method == kCompressStored) {
-        memcpy(buffer, basePtr + offset, uncompLen);
+        memcpy(buffer, ptr, uncompLen);
     } else {
-        if (!inflateBuffer(buffer, basePtr + offset, uncompLen, compLen))
+        if (!inflateBuffer(buffer, ptr, uncompLen, compLen))
             goto bail;
     }
 
     if (compLen > kSequentialMin)
-        mFileMap->advise(FileMap::NORMAL);
+        file->advise(FileMap::NORMAL);
 
     result = true;
 
@@ -537,29 +662,34 @@
     if (ent < 0)
         return -1;
 
-    const unsigned char* basePtr = (const unsigned char*)mFileMap->getDataPtr();
     int method;
-    long uncompLen, compLen;
+    size_t uncompLen, compLen;
     off_t offset;
+    const unsigned char* ptr;
 
     getEntryInfo(entry, &method, &uncompLen, &compLen, &offset, NULL, NULL);
 
-    if (method == kCompressStored) {
-        ssize_t actual;
+    const FileMap* file = createEntryFileMap(entry);
+    if (file == NULL) {
+        goto bail;
+    }
 
-        actual = write(fd, basePtr + offset, uncompLen);
+    ptr = (const unsigned char*) file->getDataPtr();
+
+    if (method == kCompressStored) {
+        ssize_t actual = write(fd, ptr, uncompLen);
         if (actual < 0) {
             LOGE("Write failed: %s\n", strerror(errno));
             goto bail;
-        } else if (actual != uncompLen) {
-            LOGE("Partial write during uncompress (%d of %ld)\n",
-                (int)actual, uncompLen);
+        } else if ((size_t) actual != uncompLen) {
+            LOGE("Partial write during uncompress (%zd of %zd)\n",
+                actual, uncompLen);
             goto bail;
         } else {
             LOGI("+++ successful write\n");
         }
     } else {
-        if (!inflateBuffer(fd, basePtr+offset, uncompLen, compLen))
+        if (!inflateBuffer(fd, ptr, uncompLen, compLen))
             goto bail;
     }
 
@@ -573,7 +703,7 @@
  * Uncompress "deflate" data from one buffer to another.
  */
 /*static*/ bool ZipFileRO::inflateBuffer(void* outBuf, const void* inBuf,
-    long uncompLen, long compLen)
+    size_t uncompLen, size_t compLen)
 {
     bool result = false;
     z_stream zstream;
@@ -582,7 +712,7 @@
     /*
      * Initialize the zlib stream struct.
      */
-	memset(&zstream, 0, sizeof(zstream));
+    memset(&zstream, 0, sizeof(zstream));
     zstream.zalloc = Z_NULL;
     zstream.zfree = Z_NULL;
     zstream.opaque = Z_NULL;
@@ -592,10 +722,10 @@
     zstream.avail_out = uncompLen;
     zstream.data_type = Z_UNKNOWN;
 
-	/*
-	 * Use the undocumented "negative window bits" feature to tell zlib
-	 * that there's no zlib header waiting for it.
-	 */
+    /*
+     * Use the undocumented "negative window bits" feature to tell zlib
+     * that there's no zlib header waiting for it.
+     */
     zerr = inflateInit2(&zstream, -MAX_WBITS);
     if (zerr != Z_OK) {
         if (zerr == Z_VERSION_ERROR) {
@@ -619,8 +749,8 @@
     }
 
     /* paranoia */
-    if ((long) zstream.total_out != uncompLen) {
-        LOGW("Size mismatch on inflated file (%ld vs %ld)\n",
+    if (zstream.total_out != uncompLen) {
+        LOGW("Size mismatch on inflated file (%ld vs %zd)\n",
             zstream.total_out, uncompLen);
         goto z_bail;
     }
@@ -638,10 +768,10 @@
  * Uncompress "deflate" data from one buffer to an open file descriptor.
  */
 /*static*/ bool ZipFileRO::inflateBuffer(int fd, const void* inBuf,
-    long uncompLen, long compLen)
+    size_t uncompLen, size_t compLen)
 {
     bool result = false;
-    const int kWriteBufSize = 32768;
+    const size_t kWriteBufSize = 32768;
     unsigned char writeBuf[kWriteBufSize];
     z_stream zstream;
     int zerr;
@@ -649,7 +779,7 @@
     /*
      * Initialize the zlib stream struct.
      */
-	memset(&zstream, 0, sizeof(zstream));
+    memset(&zstream, 0, sizeof(zstream));
     zstream.zalloc = Z_NULL;
     zstream.zfree = Z_NULL;
     zstream.opaque = Z_NULL;
@@ -659,10 +789,10 @@
     zstream.avail_out = sizeof(writeBuf);
     zstream.data_type = Z_UNKNOWN;
 
-	/*
-	 * Use the undocumented "negative window bits" feature to tell zlib
-	 * that there's no zlib header waiting for it.
-	 */
+    /*
+     * Use the undocumented "negative window bits" feature to tell zlib
+     * that there's no zlib header waiting for it.
+     */
     zerr = inflateInit2(&zstream, -MAX_WBITS);
     if (zerr != Z_OK) {
         if (zerr == Z_VERSION_ERROR) {
@@ -708,8 +838,8 @@
     assert(zerr == Z_STREAM_END);       /* other errors should've been caught */
 
     /* paranoia */
-    if ((long) zstream.total_out != uncompLen) {
-        LOGW("Size mismatch on inflated file (%ld vs %ld)\n",
+    if (zstream.total_out != uncompLen) {
+        LOGW("Size mismatch on inflated file (%ld vs %zd)\n",
             zstream.total_out, uncompLen);
         goto z_bail;
     }
diff --git a/libs/utils/tests/Android.mk b/libs/utils/tests/Android.mk
new file mode 100644
index 0000000..b9f206a
--- /dev/null
+++ b/libs/utils/tests/Android.mk
@@ -0,0 +1,44 @@
+# Build the unit tests.
+LOCAL_PATH := $(call my-dir)
+include $(CLEAR_VARS)
+
+ifneq ($(TARGET_SIMULATOR),true)
+
+# Build the unit tests.
+test_src_files := \
+	ObbFile_test.cpp \
+	PollLoop_test.cpp
+
+shared_libraries := \
+	libz \
+	liblog \
+	libcutils \
+	libutils \
+	libstlport
+
+static_libraries := \
+	libgtest \
+	libgtest_main
+
+c_includes := \
+    external/zlib \
+    external/icu4c/common \
+    bionic \
+    bionic/libstdc++/include \
+    external/gtest/include \
+    external/stlport/stlport
+
+module_tags := eng tests
+
+$(foreach file,$(test_src_files), \
+    $(eval include $(CLEAR_VARS)) \
+    $(eval LOCAL_SHARED_LIBRARIES := $(shared_libraries)) \
+    $(eval LOCAL_STATIC_LIBRARIES := $(static_libraries)) \
+    $(eval LOCAL_C_INCLUDES := $(c_includes)) \
+    $(eval LOCAL_SRC_FILES := $(file)) \
+    $(eval LOCAL_MODULE := $(notdir $(file:%.cpp=%))) \
+    $(eval LOCAL_MODULE_TAGS := $(module_tags)) \
+    $(eval include $(BUILD_EXECUTABLE)) \
+)
+
+endif
\ No newline at end of file
diff --git a/libs/utils/tests/ObbFile_test.cpp b/libs/utils/tests/ObbFile_test.cpp
new file mode 100644
index 0000000..29bb70a
--- /dev/null
+++ b/libs/utils/tests/ObbFile_test.cpp
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "ObbFile_test"
+#include <utils/Log.h>
+#include <utils/ObbFile.h>
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+
+#include <gtest/gtest.h>
+
+#include <fcntl.h>
+
+namespace android {
+
+#define TEST_FILENAME "/test.obb"
+
+class ObbFileTest : public testing::Test {
+protected:
+    sp<ObbFile> mObbFile;
+    char* mExternalStorage;
+    char* mFileName;
+
+    virtual void SetUp() {
+        mObbFile = new ObbFile();
+        mExternalStorage = getenv("EXTERNAL_STORAGE");
+
+        const int totalLen = strlen(mExternalStorage) + strlen(TEST_FILENAME) + 1;
+        mFileName = new char[totalLen];
+        snprintf(mFileName, totalLen, "%s%s", mExternalStorage, TEST_FILENAME);
+
+        int fd = ::open(mFileName, O_CREAT | O_TRUNC);
+        if (fd < 0) {
+            FAIL() << "Couldn't create " << mFileName << " for tests";
+        }
+    }
+
+    virtual void TearDown() {
+    }
+};
+
+TEST_F(ObbFileTest, ReadFailure) {
+    EXPECT_FALSE(mObbFile->readFrom(-1))
+            << "No failure on invalid file descriptor";
+}
+
+TEST_F(ObbFileTest, WriteThenRead) {
+    const char* packageName = "com.example.obbfile";
+    const int32_t versionNum = 1;
+
+    mObbFile->setPackageName(String8(packageName));
+    mObbFile->setVersion(versionNum);
+
+    EXPECT_TRUE(mObbFile->writeTo(mFileName))
+            << "couldn't write to fake .obb file";
+
+    mObbFile = new ObbFile();
+
+    EXPECT_TRUE(mObbFile->readFrom(mFileName))
+            << "couldn't read from fake .obb file";
+
+    EXPECT_EQ(versionNum, mObbFile->getVersion())
+            << "version didn't come out the same as it went in";
+    const char* currentPackageName = mObbFile->getPackageName().string();
+    EXPECT_STREQ(packageName, currentPackageName)
+            << "package name didn't come out the same as it went in";
+}
+
+}
diff --git a/libs/utils/tests/PollLoop_test.cpp b/libs/utils/tests/PollLoop_test.cpp
new file mode 100644
index 0000000..02f1808
--- /dev/null
+++ b/libs/utils/tests/PollLoop_test.cpp
@@ -0,0 +1,370 @@
+//
+// Copyright 2010 The Android Open Source Project
+//
+
+#include <utils/PollLoop.h>
+#include <utils/Timers.h>
+#include <utils/StopWatch.h>
+#include <gtest/gtest.h>
+#include <unistd.h>
+#include <time.h>
+
+#include "TestHelpers.h"
+
+// # of milliseconds to fudge stopwatch measurements
+#define TIMING_TOLERANCE_MS 25
+
+namespace android {
+
+class DelayedWake : public DelayedTask {
+    sp<PollLoop> mPollLoop;
+
+public:
+    DelayedWake(int delayMillis, const sp<PollLoop> pollLoop) :
+        DelayedTask(delayMillis), mPollLoop(pollLoop) {
+    }
+
+protected:
+    virtual void doTask() {
+        mPollLoop->wake();
+    }
+};
+
+class DelayedWriteSignal : public DelayedTask {
+    Pipe* mPipe;
+
+public:
+    DelayedWriteSignal(int delayMillis, Pipe* pipe) :
+        DelayedTask(delayMillis), mPipe(pipe) {
+    }
+
+protected:
+    virtual void doTask() {
+        mPipe->writeSignal();
+    }
+};
+
+class CallbackHandler {
+public:
+    void setCallback(const sp<PollLoop>& pollLoop, int fd, int events) {
+        pollLoop->setCallback(fd, events, staticHandler, this);
+    }
+
+protected:
+    virtual ~CallbackHandler() { }
+
+    virtual bool handler(int fd, int events) = 0;
+
+private:
+    static bool staticHandler(int fd, int events, void* data) {
+        return static_cast<CallbackHandler*>(data)->handler(fd, events);
+    }
+};
+
+class StubCallbackHandler : public CallbackHandler {
+public:
+    bool nextResult;
+    int callbackCount;
+
+    int fd;
+    int events;
+
+    StubCallbackHandler(bool nextResult) : nextResult(nextResult),
+            callbackCount(0), fd(-1), events(-1) {
+    }
+
+protected:
+    virtual bool handler(int fd, int events) {
+        callbackCount += 1;
+        this->fd = fd;
+        this->events = events;
+        return nextResult;
+    }
+};
+
+class PollLoopTest : public testing::Test {
+protected:
+    sp<PollLoop> mPollLoop;
+
+    virtual void SetUp() {
+        mPollLoop = new PollLoop(false);
+    }
+
+    virtual void TearDown() {
+        mPollLoop.clear();
+    }
+};
+
+
+TEST_F(PollLoopTest, PollOnce_WhenNonZeroTimeoutAndNotAwoken_WaitsForTimeoutAndReturnsFalse) {
+    StopWatch stopWatch("pollOnce");
+    int32_t result = mPollLoop->pollOnce(100);
+    int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+    EXPECT_NEAR(100, elapsedMillis, TIMING_TOLERANCE_MS)
+            << "elapsed time should approx. equal timeout";
+    EXPECT_EQ(result, PollLoop::POLL_TIMEOUT)
+            << "pollOnce result should be POLL_TIMEOUT";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenNonZeroTimeoutAndAwokenBeforeWaiting_ImmediatelyReturnsTrue) {
+    mPollLoop->wake();
+
+    StopWatch stopWatch("pollOnce");
+    int32_t result = mPollLoop->pollOnce(1000);
+    int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+    EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+            << "elapsed time should approx. zero because wake() was called before waiting";
+    EXPECT_EQ(result, PollLoop::POLL_CALLBACK)
+            << "pollOnce result should be POLL_CALLBACK because loop was awoken";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenNonZeroTimeoutAndAwokenWhileWaiting_PromptlyReturnsTrue) {
+    sp<DelayedWake> delayedWake = new DelayedWake(100, mPollLoop);
+    delayedWake->run();
+
+    StopWatch stopWatch("pollOnce");
+    int32_t result = mPollLoop->pollOnce(1000);
+    int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+    EXPECT_NEAR(100, elapsedMillis, TIMING_TOLERANCE_MS)
+            << "elapsed time should approx. equal wake delay";
+    EXPECT_EQ(result, PollLoop::POLL_CALLBACK)
+            << "pollOnce result should be POLL_CALLBACK because loop was awoken";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenZeroTimeoutAndNoRegisteredFDs_ImmediatelyReturnsFalse) {
+    StopWatch stopWatch("pollOnce");
+    int32_t result = mPollLoop->pollOnce(0);
+    int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+    EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+            << "elapsed time should be approx. zero";
+    EXPECT_EQ(result, PollLoop::POLL_TIMEOUT)
+            << "pollOnce result should be POLL_TIMEOUT";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenZeroTimeoutAndNoSignalledFDs_ImmediatelyReturnsFalse) {
+    Pipe pipe;
+    StubCallbackHandler handler(true);
+
+    handler.setCallback(mPollLoop, pipe.receiveFd, POLL_IN);
+
+    StopWatch stopWatch("pollOnce");
+    int32_t result = mPollLoop->pollOnce(0);
+    int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+    EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+            << "elapsed time should be approx. zero";
+    EXPECT_EQ(result, PollLoop::POLL_TIMEOUT)
+            << "pollOnce result should be POLL_TIMEOUT";
+    EXPECT_EQ(0, handler.callbackCount)
+            << "callback should not have been invoked because FD was not signalled";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenZeroTimeoutAndSignalledFD_ImmediatelyInvokesCallbackAndReturnsTrue) {
+    Pipe pipe;
+    StubCallbackHandler handler(true);
+
+    ASSERT_EQ(OK, pipe.writeSignal());
+    handler.setCallback(mPollLoop, pipe.receiveFd, POLL_IN);
+
+    StopWatch stopWatch("pollOnce");
+    int32_t result = mPollLoop->pollOnce(0);
+    int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+    EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+            << "elapsed time should be approx. zero";
+    EXPECT_EQ(result, PollLoop::POLL_CALLBACK)
+            << "pollOnce result should be POLL_CALLBACK because FD was signalled";
+    EXPECT_EQ(1, handler.callbackCount)
+            << "callback should be invoked exactly once";
+    EXPECT_EQ(pipe.receiveFd, handler.fd)
+            << "callback should have received pipe fd as parameter";
+    EXPECT_EQ(POLL_IN, handler.events)
+            << "callback should have received POLL_IN as events";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenNonZeroTimeoutAndNoSignalledFDs_WaitsForTimeoutAndReturnsFalse) {
+    Pipe pipe;
+    StubCallbackHandler handler(true);
+
+    handler.setCallback(mPollLoop, pipe.receiveFd, POLL_IN);
+
+    StopWatch stopWatch("pollOnce");
+    int32_t result = mPollLoop->pollOnce(100);
+    int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+    EXPECT_NEAR(100, elapsedMillis, TIMING_TOLERANCE_MS)
+            << "elapsed time should approx. equal timeout";
+    EXPECT_EQ(result, PollLoop::POLL_TIMEOUT)
+            << "pollOnce result should be POLL_TIMEOUT";
+    EXPECT_EQ(0, handler.callbackCount)
+            << "callback should not have been invoked because FD was not signalled";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenNonZeroTimeoutAndSignalledFDBeforeWaiting_ImmediatelyInvokesCallbackAndReturnsTrue) {
+    Pipe pipe;
+    StubCallbackHandler handler(true);
+
+    pipe.writeSignal();
+    handler.setCallback(mPollLoop, pipe.receiveFd, POLL_IN);
+
+    StopWatch stopWatch("pollOnce");
+    int32_t result = mPollLoop->pollOnce(100);
+    int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+    ASSERT_EQ(OK, pipe.readSignal())
+            << "signal should actually have been written";
+    EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+            << "elapsed time should be approx. zero";
+    EXPECT_EQ(result, PollLoop::POLL_CALLBACK)
+            << "pollOnce result should be POLL_CALLBACK because FD was signalled";
+    EXPECT_EQ(1, handler.callbackCount)
+            << "callback should be invoked exactly once";
+    EXPECT_EQ(pipe.receiveFd, handler.fd)
+            << "callback should have received pipe fd as parameter";
+    EXPECT_EQ(POLL_IN, handler.events)
+            << "callback should have received POLL_IN as events";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenNonZeroTimeoutAndSignalledFDWhileWaiting_PromptlyInvokesCallbackAndReturnsTrue) {
+    Pipe pipe;
+    StubCallbackHandler handler(true);
+    sp<DelayedWriteSignal> delayedWriteSignal = new DelayedWriteSignal(100, & pipe);
+
+    handler.setCallback(mPollLoop, pipe.receiveFd, POLL_IN);
+    delayedWriteSignal->run();
+
+    StopWatch stopWatch("pollOnce");
+    int32_t result = mPollLoop->pollOnce(1000);
+    int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+    ASSERT_EQ(OK, pipe.readSignal())
+            << "signal should actually have been written";
+    EXPECT_NEAR(100, elapsedMillis, TIMING_TOLERANCE_MS)
+            << "elapsed time should approx. equal signal delay";
+    EXPECT_EQ(result, PollLoop::POLL_CALLBACK)
+            << "pollOnce result should be POLL_CALLBACK because FD was signalled";
+    EXPECT_EQ(1, handler.callbackCount)
+            << "callback should be invoked exactly once";
+    EXPECT_EQ(pipe.receiveFd, handler.fd)
+            << "callback should have received pipe fd as parameter";
+    EXPECT_EQ(POLL_IN, handler.events)
+            << "callback should have received POLL_IN as events";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenCallbackAddedThenRemoved_CallbackShouldNotBeInvoked) {
+    Pipe pipe;
+    StubCallbackHandler handler(true);
+
+    handler.setCallback(mPollLoop, pipe.receiveFd, POLL_IN);
+    pipe.writeSignal(); // would cause FD to be considered signalled
+    mPollLoop->removeCallback(pipe.receiveFd);
+
+    StopWatch stopWatch("pollOnce");
+    int32_t result = mPollLoop->pollOnce(100);
+    int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+    ASSERT_EQ(OK, pipe.readSignal())
+            << "signal should actually have been written";
+    EXPECT_NEAR(100, elapsedMillis, TIMING_TOLERANCE_MS)
+            << "elapsed time should approx. equal timeout because FD was no longer registered";
+    EXPECT_EQ(result, PollLoop::POLL_TIMEOUT)
+            << "pollOnce result should be POLL_TIMEOUT";
+    EXPECT_EQ(0, handler.callbackCount)
+            << "callback should not be invoked";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenCallbackReturnsFalse_CallbackShouldNotBeInvokedAgainLater) {
+    Pipe pipe;
+    StubCallbackHandler handler(false);
+
+    handler.setCallback(mPollLoop, pipe.receiveFd, POLL_IN);
+
+    // First loop: Callback is registered and FD is signalled.
+    pipe.writeSignal();
+
+    StopWatch stopWatch("pollOnce");
+    int32_t result = mPollLoop->pollOnce(0);
+    int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+    ASSERT_EQ(OK, pipe.readSignal())
+            << "signal should actually have been written";
+    EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+            << "elapsed time should approx. equal zero because FD was already signalled";
+    EXPECT_EQ(result, PollLoop::POLL_CALLBACK)
+            << "pollOnce result should be POLL_CALLBACK because FD was signalled";
+    EXPECT_EQ(1, handler.callbackCount)
+            << "callback should be invoked";
+
+    // Second loop: Callback is no longer registered and FD is signalled.
+    pipe.writeSignal();
+
+    stopWatch.reset();
+    result = mPollLoop->pollOnce(0);
+    elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+    ASSERT_EQ(OK, pipe.readSignal())
+            << "signal should actually have been written";
+    EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+            << "elapsed time should approx. equal zero because timeout was zero";
+    EXPECT_EQ(result, PollLoop::POLL_TIMEOUT)
+            << "pollOnce result should be POLL_TIMEOUT";
+    EXPECT_EQ(1, handler.callbackCount)
+            << "callback should not be invoked this time";
+}
+
+TEST_F(PollLoopTest, RemoveCallback_WhenCallbackNotAdded_ReturnsFalse) {
+    bool result = mPollLoop->removeCallback(1);
+
+    EXPECT_FALSE(result)
+            << "removeCallback should return false because FD not registered";
+}
+
+TEST_F(PollLoopTest, RemoveCallback_WhenCallbackAddedThenRemovedTwice_ReturnsTrueFirstTimeAndReturnsFalseSecondTime) {
+    Pipe pipe;
+    StubCallbackHandler handler(false);
+    handler.setCallback(mPollLoop, pipe.receiveFd, POLL_IN);
+
+    // First time.
+    bool result = mPollLoop->removeCallback(pipe.receiveFd);
+
+    EXPECT_TRUE(result)
+            << "removeCallback should return true first time because FD was registered";
+
+    // Second time.
+    result = mPollLoop->removeCallback(pipe.receiveFd);
+
+    EXPECT_FALSE(result)
+            << "removeCallback should return false second time because FD was no longer registered";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenCallbackAddedTwice_OnlySecondCallbackShouldBeInvoked) {
+    Pipe pipe;
+    StubCallbackHandler handler1(true);
+    StubCallbackHandler handler2(true);
+
+    handler1.setCallback(mPollLoop, pipe.receiveFd, POLL_IN);
+    handler2.setCallback(mPollLoop, pipe.receiveFd, POLL_IN); // replace it
+    pipe.writeSignal(); // would cause FD to be considered signalled
+
+    StopWatch stopWatch("pollOnce");
+    int32_t result = mPollLoop->pollOnce(100);
+    int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+    ASSERT_EQ(OK, pipe.readSignal())
+            << "signal should actually have been written";
+    EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+            << "elapsed time should approx. zero because FD was already signalled";
+    EXPECT_EQ(result, PollLoop::POLL_CALLBACK)
+            << "pollOnce result should be POLL_CALLBACK because FD was signalled";
+    EXPECT_EQ(0, handler1.callbackCount)
+            << "original handler callback should not be invoked because it was replaced";
+    EXPECT_EQ(1, handler2.callbackCount)
+            << "replacement handler callback should be invoked";
+}
+
+
+} // namespace android
diff --git a/libs/utils/tests/TestHelpers.h b/libs/utils/tests/TestHelpers.h
new file mode 100644
index 0000000..d8e985e
--- /dev/null
+++ b/libs/utils/tests/TestHelpers.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef TESTHELPERS_H
+#define TESTHELPERS_H
+
+#include <utils/threads.h>
+
+namespace android {
+
+class Pipe {
+public:
+    int sendFd;
+    int receiveFd;
+
+    Pipe() {
+        int fds[2];
+        ::pipe(fds);
+
+        receiveFd = fds[0];
+        sendFd = fds[1];
+    }
+
+    ~Pipe() {
+        if (sendFd != -1) {
+            ::close(sendFd);
+        }
+
+        if (receiveFd != -1) {
+            ::close(receiveFd);
+        }
+    }
+
+    status_t writeSignal() {
+        ssize_t nWritten = ::write(sendFd, "*", 1);
+        return nWritten == 1 ? 0 : -errno;
+    }
+
+    status_t readSignal() {
+        char buf[1];
+        ssize_t nRead = ::read(receiveFd, buf, 1);
+        return nRead == 1 ? 0 : nRead == 0 ? -EPIPE : -errno;
+    }
+};
+
+class DelayedTask : public Thread {
+    int mDelayMillis;
+
+public:
+    DelayedTask(int delayMillis) : mDelayMillis(delayMillis) { }
+
+protected:
+    virtual ~DelayedTask() { }
+
+    virtual void doTask() = 0;
+
+    virtual bool threadLoop() {
+        usleep(mDelayMillis * 1000);
+        doTask();
+        return false;
+    }
+};
+
+} // namespace android
+
+#endif // TESTHELPERS_H
diff --git a/opengl/include/EGL/egl.h b/opengl/include/EGL/egl.h
index c269976..99ea342 100644
--- a/opengl/include/EGL/egl.h
+++ b/opengl/include/EGL/egl.h
@@ -1,7 +1,7 @@
 /* -*- mode: c; tab-width: 8; -*- */
 /* vi: set sw=4 ts=8: */
 /* Reference version of egl.h for EGL 1.4.
- * $Revision: 7244 $ on $Date: 2009-01-20 17:06:59 -0800 (Tue, 20 Jan 2009) $
+ * $Revision: 9356 $ on $Date: 2009-10-21 02:52:25 -0700 (Wed, 21 Oct 2009) $
  */
 
 /*
@@ -109,7 +109,6 @@
 #define EGL_NATIVE_RENDERABLE		0x302D
 #define EGL_NATIVE_VISUAL_ID		0x302E
 #define EGL_NATIVE_VISUAL_TYPE		0x302F
-#define EGL_PRESERVED_RESOURCES		0x3030
 #define EGL_SAMPLES			0x3031
 #define EGL_SAMPLE_BUFFERS		0x3032
 #define EGL_SURFACE_TYPE		0x3033
diff --git a/opengl/include/EGL/eglext.h b/opengl/include/EGL/eglext.h
index 545fd0e..b121158 100644
--- a/opengl/include/EGL/eglext.h
+++ b/opengl/include/EGL/eglext.h
@@ -6,7 +6,7 @@
 #endif
 
 /*
-** Copyright (c) 2007-2009 The Khronos Group Inc.
+** Copyright (c) 2007-2010 The Khronos Group Inc.
 **
 ** Permission is hereby granted, free of charge, to any person obtaining a
 ** copy of this software and/or associated documentation files (the
@@ -34,8 +34,8 @@
 
 /* Header file version number */
 /* Current version at http://www.khronos.org/registry/egl/ */
-/* $Revision: 7244 $ on $Date: 2009-01-20 17:06:59 -0800 (Tue, 20 Jan 2009) $ */
-#define EGL_EGLEXT_VERSION 3
+/* $Revision: 11249 $ on $Date: 2010-05-05 09:54:28 -0700 (Wed, 05 May 2010) $ */
+#define EGL_EGLEXT_VERSION 5
 
 #ifndef EGL_KHR_config_attribs
 #define EGL_KHR_config_attribs 1
@@ -120,6 +120,36 @@
 #define EGL_GL_RENDERBUFFER_KHR			0x30B9	/* eglCreateImageKHR target */
 #endif
 
+#ifndef EGL_KHR_reusable_sync
+#define EGL_KHR_reusable_sync 1
+
+typedef void* EGLSyncKHR;
+typedef khronos_utime_nanoseconds_t EGLTimeKHR;
+
+#define EGL_SYNC_STATUS_KHR			0x30F1
+#define EGL_SIGNALED_KHR			0x30F2
+#define EGL_UNSIGNALED_KHR			0x30F3
+#define EGL_TIMEOUT_EXPIRED_KHR			0x30F5
+#define EGL_CONDITION_SATISFIED_KHR		0x30F6
+#define EGL_SYNC_TYPE_KHR			0x30F7
+#define EGL_SYNC_REUSABLE_KHR			0x30FA
+#define EGL_SYNC_FLUSH_COMMANDS_BIT_KHR		0x0001	/* eglClientWaitSyncKHR <flags> bitfield */
+#define EGL_FOREVER_KHR				0xFFFFFFFFFFFFFFFFull
+#define EGL_NO_SYNC_KHR				((EGLSyncKHR)0)
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLSyncKHR EGLAPIENTRY eglCreateSyncKHR(EGLDisplay dpy, EGLenum type, const EGLint *attrib_list);
+EGLAPI EGLBoolean EGLAPIENTRY eglDestroySyncKHR(EGLDisplay dpy, EGLSyncKHR sync);
+EGLAPI EGLint EGLAPIENTRY eglClientWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint flags, EGLTimeKHR timeout);
+EGLAPI EGLBoolean EGLAPIENTRY eglSignalSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLenum mode);
+EGLAPI EGLBoolean EGLAPIENTRY eglGetSyncAttribKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint attribute, EGLint *value);
+#endif /* EGL_EGLEXT_PROTOTYPES */
+typedef EGLSyncKHR (EGLAPIENTRYP PFNEGLCREATESYNCKHRPROC) (EGLDisplay dpy, EGLenum type, const EGLint *attrib_list);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYSYNCKHRPROC) (EGLDisplay dpy, EGLSyncKHR sync);
+typedef EGLint (EGLAPIENTRYP PFNEGLCLIENTWAITSYNCKHRPROC) (EGLDisplay dpy, EGLSyncKHR sync, EGLint flags, EGLTimeKHR timeout);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLSIGNALSYNCKHRPROC) (EGLDisplay dpy, EGLSyncKHR sync, EGLenum mode);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLGETSYNCATTRIBKHRPROC) (EGLDisplay dpy, EGLSyncKHR sync, EGLint attribute, EGLint *value);
+#endif
+
 #ifndef EGL_KHR_image_base
 #define EGL_KHR_image_base 1
 /* Most interfaces defined by EGL_KHR_image_pixmap above */
@@ -131,6 +161,67 @@
 /* Interfaces defined by EGL_KHR_image above */
 #endif
 
+#ifndef EGL_IMG_context_priority
+#define EGL_IMG_context_priority 1
+#define EGL_CONTEXT_PRIORITY_LEVEL_IMG		0x3100
+#define EGL_CONTEXT_PRIORITY_HIGH_IMG		0x3101
+#define EGL_CONTEXT_PRIORITY_MEDIUM_IMG		0x3102
+#define EGL_CONTEXT_PRIORITY_LOW_IMG		0x3103
+#endif
+
+#ifndef EGL_NV_coverage_sample
+#define EGL_NV_coverage_sample 1
+#define EGL_COVERAGE_BUFFERS_NV 0x30E0
+#define EGL_COVERAGE_SAMPLES_NV 0x30E1
+#endif
+
+#ifndef EGL_NV_depth_nonlinear
+#define EGL_NV_depth_nonlinear 1
+#define EGL_DEPTH_ENCODING_NV 0x30E2
+#define EGL_DEPTH_ENCODING_NONE_NV 0
+#define EGL_DEPTH_ENCODING_NONLINEAR_NV 0x30E3
+#endif
+
+#ifndef EGL_NV_sync
+#define EGL_NV_sync 1
+#define EGL_SYNC_PRIOR_COMMANDS_COMPLETE_NV	0x30E6
+#define EGL_SYNC_STATUS_NV			0x30E7
+#define EGL_SIGNALED_NV				0x30E8
+#define EGL_UNSIGNALED_NV			0x30E9
+#define EGL_SYNC_FLUSH_COMMANDS_BIT_NV		0x0001
+#define EGL_FOREVER_NV				0xFFFFFFFFFFFFFFFFull
+#define EGL_ALREADY_SIGNALED_NV			0x30EA
+#define EGL_TIMEOUT_EXPIRED_NV			0x30EB
+#define EGL_CONDITION_SATISFIED_NV		0x30EC
+#define EGL_SYNC_TYPE_NV			0x30ED
+#define EGL_SYNC_CONDITION_NV			0x30EE
+#define EGL_SYNC_FENCE_NV			0x30EF
+#define EGL_NO_SYNC_NV				((EGLSyncNV)0)
+typedef void* EGLSyncNV;
+typedef unsigned long long EGLTimeNV;
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLSyncNV eglCreateFenceSyncNV (EGLDisplay dpy, EGLenum condition, const EGLint *attrib_list);
+EGLBoolean eglDestroySyncNV (EGLSyncNV sync);
+EGLBoolean eglFenceNV (EGLSyncNV sync);
+EGLint eglClientWaitSyncNV (EGLSyncNV sync, EGLint flags, EGLTimeNV timeout);
+EGLBoolean eglSignalSyncNV (EGLSyncNV sync, EGLenum mode);
+EGLBoolean eglGetSyncAttribNV (EGLSyncNV sync, EGLint attribute, EGLint *value);
+#endif /* EGL_EGLEXT_PROTOTYPES */
+typedef EGLSyncNV (EGLAPIENTRYP PFNEGLCREATEFENCESYNCNVPROC) (EGLDisplay dpy, EGLenum condition, const EGLint *attrib_list);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYSYNCNVPROC) (EGLSyncNV sync);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLFENCENVPROC) (EGLSyncNV sync);
+typedef EGLint (EGLAPIENTRYP PFNEGLCLIENTWAITSYNCNVPROC) (EGLSyncNV sync, EGLint flags, EGLTimeNV timeout);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLSIGNALSYNCNVPROC) (EGLSyncNV sync, EGLenum mode);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLGETSYNCATTRIBNVPROC) (EGLSyncNV sync, EGLint attribute, EGLint *value);
+#endif
+
+#ifndef EGL_KHR_fence_sync
+#define EGL_KHR_fence_sync 1
+/* Reuses most tokens and entry points from EGL_KHR_reusable_sync */
+#define EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR	0x30F0
+#define EGL_SYNC_CONDITION_KHR			0x30F8
+#define EGL_SYNC_FENCE_KHR			0x30F9
+#endif
 
 #ifndef EGL_ANDROID_image_native_buffer
 #define EGL_ANDROID_image_native_buffer 1
@@ -154,7 +245,6 @@
 typedef EGLBoolean (EGLAPIENTRYP PFNEGLSETSWAPRECTANGLEANDROIDPROC) (EGLDisplay dpy, EGLSurface draw, EGLint left, EGLint top, EGLint width, EGLint height);
 #endif
 
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/opengl/include/EGL/eglplatform.h b/opengl/include/EGL/eglplatform.h
index 53e9e61..25d7697 100644
--- a/opengl/include/EGL/eglplatform.h
+++ b/opengl/include/EGL/eglplatform.h
@@ -25,7 +25,7 @@
 */
 
 /* Platform-specific types and definitions for egl.h
- * $Revision: 7244 $ on $Date: 2009-01-20 17:06:59 -0800 (Tue, 20 Jan 2009) $
+ * $Revision: 9724 $ on $Date: 2009-12-02 02:05:33 -0800 (Wed, 02 Dec 2009) $
  *
  * Adopters may modify khrplatform.h and this file to suit their platform.
  * You are encouraged to submit all modifications to the Khronos group so that
@@ -50,8 +50,10 @@
 #define EGLAPI KHRONOS_APICALL
 #endif
 
+#ifndef EGLAPIENTRY
 #define EGLAPIENTRY  KHRONOS_APIENTRY
-#define EGLAPIENTRYP KHRONOS_APIENTRY*
+#endif
+#define EGLAPIENTRYP EGLAPIENTRY*
 
 /* The types NativeDisplayType, NativeWindowType, and NativePixmapType
  * are aliases of window-system-dependent types, such as X Display * or
@@ -89,10 +91,11 @@
 
 #elif defined(ANDROID)
 
-struct android_native_window_t;
+#include <android/native_window.h>
+
 struct egl_native_pixmap_t;
 
-typedef struct android_native_window_t* EGLNativeWindowType;
+typedef struct ANativeWindow*           EGLNativeWindowType;
 typedef struct egl_native_pixmap_t*     EGLNativePixmapType;
 typedef void*                           EGLNativeDisplayType;
 
diff --git a/opengl/include/GLES/gl.h b/opengl/include/GLES/gl.h
index 2e8b971..5b8d85a 100644
--- a/opengl/include/GLES/gl.h
+++ b/opengl/include/GLES/gl.h
@@ -1,7 +1,7 @@
 #ifndef __gl_h_
 #define __gl_h_
 
-/* $Revision: 7172 $ on $Date:: 2009-01-09 11:17:41 -0800 #$ */
+/* $Revision: 10601 $ on $Date:: 2010-03-04 22:15:27 -0800 #$ */
 
 #include <GLES/glplatform.h>
 
@@ -15,6 +15,7 @@
  */
 
 typedef void             GLvoid;
+typedef char             GLchar;
 typedef unsigned int     GLenum;
 typedef unsigned char    GLboolean;
 typedef unsigned int     GLbitfield;
@@ -678,7 +679,7 @@
 GL_API void GL_APIENTRY glGetIntegerv (GLenum pname, GLint *params);
 GL_API void GL_APIENTRY glGetLightxv (GLenum light, GLenum pname, GLfixed *params);
 GL_API void GL_APIENTRY glGetMaterialxv (GLenum face, GLenum pname, GLfixed *params);
-GL_API void GL_APIENTRY glGetPointerv (GLenum pname, void **params);
+GL_API void GL_APIENTRY glGetPointerv (GLenum pname, GLvoid **params);
 GL_API const GLubyte * GL_APIENTRY glGetString (GLenum name);
 GL_API void GL_APIENTRY glGetTexEnviv (GLenum env, GLenum pname, GLint *params);
 GL_API void GL_APIENTRY glGetTexEnvxv (GLenum env, GLenum pname, GLfixed *params);
diff --git a/opengl/include/GLES/glext.h b/opengl/include/GLES/glext.h
index a8fe2e9..a5b3ead 100644
--- a/opengl/include/GLES/glext.h
+++ b/opengl/include/GLES/glext.h
@@ -1,7 +1,7 @@
 #ifndef __glext_h_
 #define __glext_h_
 
-/* $Revision: 7172 $ on $Date:: 2009-01-09 11:17:41 -0800 #$ */
+/* $Revision: 10965 $ on $Date:: 2010-04-09 02:11:29 -0700 #$ */
 
 #ifdef __cplusplus
 extern "C" {
@@ -68,6 +68,11 @@
 typedef void* GLeglImageOES;
 #endif
 
+/* GL_OES_element_index_uint */
+#ifndef GL_OES_element_index_uint
+#define GL_UNSIGNED_INT                                         0x1405
+#endif
+
 /* GL_OES_fixed_point */
 #ifndef GL_OES_fixed_point
 #define GL_FIXED_OES                                            0x140C
@@ -201,6 +206,16 @@
 #define GL_MIRRORED_REPEAT_OES                                  0x8370
 #endif
 
+/* GL_OES_vertex_array_object */
+#ifndef GL_OES_vertex_array_object
+#define GL_VERTEX_ARRAY_BINDING_OES                             0x85B5
+#endif
+
+/* GL_OES_texture_external */
+#ifndef GL_TEXTURE_EXTERNAL_OES
+#define GL_TEXTURE_EXTERNAL_OES                                 0x8D65
+#endif
+
 /*------------------------------------------------------------------------*
  * AMD extension tokens
  *------------------------------------------------------------------------*/
@@ -219,15 +234,191 @@
 #endif
 
 /*------------------------------------------------------------------------*
+ * APPLE extension tokens
+ *------------------------------------------------------------------------*/
+
+/* GL_APPLE_texture_2D_limited_npot */
+/* No new tokens introduced by this extension. */
+
+/*------------------------------------------------------------------------*
  * EXT extension tokens
  *------------------------------------------------------------------------*/
 
+/* GL_EXT_blend_minmax */
+#ifndef GL_EXT_blend_minmax
+#define GL_MIN_EXT                                              0x8007
+#define GL_MAX_EXT                                              0x8008
+#endif
+
+/* GL_EXT_discard_framebuffer */
+#ifndef GL_EXT_discard_framebuffer
+#define GL_COLOR_EXT                                            0x1800
+#define GL_DEPTH_EXT                                            0x1801
+#define GL_STENCIL_EXT                                          0x1802
+#endif
+
+/* GL_EXT_multi_draw_arrays */
+/* No new tokens introduced by this extension. */
+
+/* GL_EXT_read_format_bgra */
+#ifndef GL_EXT_read_format_bgra
+#define GL_BGRA_EXT                                             0x80E1
+#define GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT                       0x8365
+#define GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT                       0x8366
+#endif
+
 /* GL_EXT_texture_filter_anisotropic */
 #ifndef GL_EXT_texture_filter_anisotropic
 #define GL_TEXTURE_MAX_ANISOTROPY_EXT                           0x84FE
 #define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT                       0x84FF
 #endif
 
+/* GL_EXT_texture_format_BGRA8888 */
+#ifndef GL_EXT_texture_format_BGRA8888
+#define GL_BGRA_EXT                                             0x80E1
+#endif
+
+/* GL_EXT_texture_lod_bias */
+#ifndef GL_EXT_texture_lod_bias
+#define GL_MAX_TEXTURE_LOD_BIAS_EXT                             0x84FD
+#define GL_TEXTURE_FILTER_CONTROL_EXT                           0x8500
+#define GL_TEXTURE_LOD_BIAS_EXT                                 0x8501
+#endif
+
+/*------------------------------------------------------------------------*
+ * IMG extension tokens
+ *------------------------------------------------------------------------*/
+
+/* GL_IMG_read_format */
+#ifndef GL_IMG_read_format
+#define GL_BGRA_IMG                                             0x80E1
+#define GL_UNSIGNED_SHORT_4_4_4_4_REV_IMG                       0x8365
+#endif
+
+/* GL_IMG_texture_compression_pvrtc */
+#ifndef GL_IMG_texture_compression_pvrtc
+#define GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG                      0x8C00
+#define GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG                      0x8C01
+#define GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG                     0x8C02
+#define GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG                     0x8C03
+#endif
+
+/* GL_IMG_texture_env_enhanced_fixed_function */
+#ifndef GL_IMG_texture_env_enhanced_fixed_function
+#define GL_MODULATE_COLOR_IMG                                   0x8C04
+#define GL_RECIP_ADD_SIGNED_ALPHA_IMG                           0x8C05
+#define GL_TEXTURE_ALPHA_MODULATE_IMG                           0x8C06
+#define GL_FACTOR_ALPHA_MODULATE_IMG                            0x8C07
+#define GL_FRAGMENT_ALPHA_MODULATE_IMG                          0x8C08
+#define GL_ADD_BLEND_IMG                                        0x8C09
+#define GL_DOT3_RGBA_IMG                                        0x86AF
+#endif
+
+/* GL_IMG_user_clip_plane */
+#ifndef GL_IMG_user_clip_plane
+#define GL_CLIP_PLANE0_IMG                                      0x3000
+#define GL_CLIP_PLANE1_IMG                                      0x3001
+#define GL_CLIP_PLANE2_IMG                                      0x3002
+#define GL_CLIP_PLANE3_IMG                                      0x3003
+#define GL_CLIP_PLANE4_IMG                                      0x3004
+#define GL_CLIP_PLANE5_IMG                                      0x3005
+#define GL_MAX_CLIP_PLANES_IMG                                  0x0D32
+#endif
+
+/* GL_IMG_multisampled_render_to_texture */
+#ifndef GL_IMG_multisampled_render_to_texture
+#define GL_RENDERBUFFER_SAMPLES_IMG                             0x9133
+#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_IMG               0x9134
+#define GL_MAX_SAMPLES_IMG                                      0x9135
+#define GL_TEXTURE_SAMPLES_IMG                                  0x9136
+#endif
+
+/*------------------------------------------------------------------------*
+ * NV extension tokens
+ *------------------------------------------------------------------------*/
+
+/* GL_NV_fence */
+#ifndef GL_NV_fence
+#define GL_ALL_COMPLETED_NV                                     0x84F2
+#define GL_FENCE_STATUS_NV                                      0x84F3
+#define GL_FENCE_CONDITION_NV                                   0x84F4
+#endif
+
+/*------------------------------------------------------------------------*
+ * QCOM extension tokens
+ *------------------------------------------------------------------------*/
+
+/* GL_QCOM_driver_control */
+/* No new tokens introduced by this extension. */
+
+/* GL_QCOM_extended_get */
+#ifndef GL_QCOM_extended_get
+#define GL_TEXTURE_WIDTH_QCOM                                   0x8BD2
+#define GL_TEXTURE_HEIGHT_QCOM                                  0x8BD3
+#define GL_TEXTURE_DEPTH_QCOM                                   0x8BD4
+#define GL_TEXTURE_INTERNAL_FORMAT_QCOM                         0x8BD5
+#define GL_TEXTURE_FORMAT_QCOM                                  0x8BD6
+#define GL_TEXTURE_TYPE_QCOM                                    0x8BD7
+#define GL_TEXTURE_IMAGE_VALID_QCOM                             0x8BD8
+#define GL_TEXTURE_NUM_LEVELS_QCOM                              0x8BD9
+#define GL_TEXTURE_TARGET_QCOM                                  0x8BDA
+#define GL_TEXTURE_OBJECT_VALID_QCOM                            0x8BDB
+#define GL_STATE_RESTORE                                        0x8BDC
+#endif
+
+/* GL_QCOM_extended_get2 */
+/* No new tokens introduced by this extension. */
+
+/* GL_QCOM_perfmon_global_mode */
+#ifndef GL_QCOM_perfmon_global_mode
+#define GL_PERFMON_GLOBAL_MODE_QCOM                             0x8FA0
+#endif
+
+/* GL_QCOM_writeonly_rendering */
+#ifndef GL_QCOM_writeonly_rendering
+#define GL_WRITEONLY_RENDERING_QCOM                             0x8823
+#endif
+
+/* GL_QCOM_tiled_rendering */
+#ifndef GL_QCOM_tiled_rendering
+#define GL_COLOR_BUFFER_BIT0_QCOM                               0x00000001
+#define GL_COLOR_BUFFER_BIT1_QCOM                               0x00000002
+#define GL_COLOR_BUFFER_BIT2_QCOM                               0x00000004
+#define GL_COLOR_BUFFER_BIT3_QCOM                               0x00000008
+#define GL_COLOR_BUFFER_BIT4_QCOM                               0x00000010
+#define GL_COLOR_BUFFER_BIT5_QCOM                               0x00000020
+#define GL_COLOR_BUFFER_BIT6_QCOM                               0x00000040
+#define GL_COLOR_BUFFER_BIT7_QCOM                               0x00000080
+#define GL_DEPTH_BUFFER_BIT0_QCOM                               0x00000100
+#define GL_DEPTH_BUFFER_BIT1_QCOM                               0x00000200
+#define GL_DEPTH_BUFFER_BIT2_QCOM                               0x00000400
+#define GL_DEPTH_BUFFER_BIT3_QCOM                               0x00000800
+#define GL_DEPTH_BUFFER_BIT4_QCOM                               0x00001000
+#define GL_DEPTH_BUFFER_BIT5_QCOM                               0x00002000
+#define GL_DEPTH_BUFFER_BIT6_QCOM                               0x00004000
+#define GL_DEPTH_BUFFER_BIT7_QCOM                               0x00008000
+#define GL_STENCIL_BUFFER_BIT0_QCOM                             0x00010000
+#define GL_STENCIL_BUFFER_BIT1_QCOM                             0x00020000
+#define GL_STENCIL_BUFFER_BIT2_QCOM                             0x00040000
+#define GL_STENCIL_BUFFER_BIT3_QCOM                             0x00080000
+#define GL_STENCIL_BUFFER_BIT4_QCOM                             0x00100000
+#define GL_STENCIL_BUFFER_BIT5_QCOM                             0x00200000
+#define GL_STENCIL_BUFFER_BIT6_QCOM                             0x00400000
+#define GL_STENCIL_BUFFER_BIT7_QCOM                             0x00800000
+#define GL_MULTISAMPLE_BUFFER_BIT0_QCOM                         0x01000000
+#define GL_MULTISAMPLE_BUFFER_BIT1_QCOM                         0x02000000
+#define GL_MULTISAMPLE_BUFFER_BIT2_QCOM                         0x04000000
+#define GL_MULTISAMPLE_BUFFER_BIT3_QCOM                         0x08000000
+#define GL_MULTISAMPLE_BUFFER_BIT4_QCOM                         0x10000000
+#define GL_MULTISAMPLE_BUFFER_BIT5_QCOM                         0x20000000
+#define GL_MULTISAMPLE_BUFFER_BIT6_QCOM                         0x40000000
+#define GL_MULTISAMPLE_BUFFER_BIT7_QCOM                         0x80000000
+#endif
+
+/*------------------------------------------------------------------------*
+ * End of extension tokens, start of corresponding extension functions
+ *------------------------------------------------------------------------*/
+
 /*------------------------------------------------------------------------*
  * OES extension functions
  *------------------------------------------------------------------------*/
@@ -456,11 +647,11 @@
 #ifdef GL_GLEXT_PROTOTYPES
 GL_API void* GL_APIENTRY glMapBufferOES (GLenum target, GLenum access);
 GL_API GLboolean GL_APIENTRY glUnmapBufferOES (GLenum target);
-GL_API void GL_APIENTRY glGetBufferPointervOES (GLenum target, GLenum pname, void** params);
+GL_API void GL_APIENTRY glGetBufferPointervOES (GLenum target, GLenum pname, GLvoid ** params);
 #endif
 typedef void* (GL_APIENTRYP PFNGLMAPBUFFEROESPROC) (GLenum target, GLenum access);
 typedef GLboolean (GL_APIENTRYP PFNGLUNMAPBUFFEROESPROC) (GLenum target);
-typedef void (GL_APIENTRYP PFNGLGETBUFFERPOINTERVOESPROC) (GLenum target, GLenum pname, void** params);
+typedef void (GL_APIENTRYP PFNGLGETBUFFERPOINTERVOESPROC) (GLenum target, GLenum pname, GLvoid ** params);
 #endif
 
 /* GL_OES_matrix_get */
@@ -576,6 +767,26 @@
 #define GL_OES_texture_mirrored_repeat 1
 #endif
 
+/* GL_OES_vertex_array_object */
+#ifndef GL_OES_vertex_array_object
+#define GL_OES_vertex_array_object 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_API void GL_APIENTRY glBindVertexArrayOES (GLuint array);
+GL_API void GL_APIENTRY glDeleteVertexArraysOES (GLsizei n, const GLuint *arrays);
+GL_API void GL_APIENTRY glGenVertexArraysOES (GLsizei n, GLuint *arrays);
+GL_API GLboolean GL_APIENTRY glIsVertexArrayOES (GLuint array);
+#endif
+typedef void (GL_APIENTRYP PFNGLBINDVERTEXARRAYOESPROC) (GLuint array);
+typedef void (GL_APIENTRYP PFNGLDELETEVERTEXARRAYSOESPROC) (GLsizei n, const GLuint *arrays);
+typedef void (GL_APIENTRYP PFNGLGENVERTEXARRAYSOESPROC) (GLsizei n, GLuint *arrays);
+typedef GLboolean (GL_APIENTRYP PFNGLISVERTEXARRAYOESPROC) (GLuint array);
+#endif
+
+/* GL_OES_texture_external */
+#ifndef GL_OES_texture_external
+#define GL_OES_texture_external 1
+#endif
+
 /*------------------------------------------------------------------------*
  * AMD extension functions
  *------------------------------------------------------------------------*/
@@ -591,14 +802,207 @@
 #endif
 
 /*------------------------------------------------------------------------*
+ * APPLE extension functions
+ *------------------------------------------------------------------------*/
+
+/* GL_APPLE_texture_2D_limited_npot */
+#ifndef GL_APPLE_texture_2D_limited_npot
+#define GL_APPLE_texture_2D_limited_npot 1
+#endif
+
+/*------------------------------------------------------------------------*
  * EXT extension functions
  *------------------------------------------------------------------------*/
 
+/* GL_EXT_blend_minmax */
+#ifndef GL_EXT_blend_minmax
+#define GL_EXT_blend_minmax 1
+#endif
+
+/* GL_EXT_discard_framebuffer */
+#ifndef GL_EXT_discard_framebuffer
+#define GL_EXT_discard_framebuffer 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_API void GL_APIENTRY glDiscardFramebufferEXT (GLenum target, GLsizei numAttachments, const GLenum *attachments);
+#endif
+typedef void (GL_APIENTRYP PFNGLDISCARDFRAMEBUFFEREXTPROC) (GLenum target, GLsizei numAttachments, const GLenum *attachments);
+#endif
+
+/* GL_EXT_multi_draw_arrays */
+#ifndef GL_EXT_multi_draw_arrays
+#define GL_EXT_multi_draw_arrays 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_API void GL_APIENTRY glMultiDrawArraysEXT (GLenum mode, GLint *first, GLsizei *count, GLsizei primcount);
+GL_API void GL_APIENTRY glMultiDrawElementsEXT (GLenum mode, const GLsizei *count, GLenum type, const GLvoid* *indices, GLsizei primcount);
+#endif /* GL_GLEXT_PROTOTYPES */
+typedef void (GL_APIENTRYP PFNGLMULTIDRAWARRAYSEXTPROC) (GLenum mode, GLint *first, GLsizei *count, GLsizei primcount);
+typedef void (GL_APIENTRYP PFNGLMULTIDRAWELEMENTSEXTPROC) (GLenum mode, const GLsizei *count, GLenum type, const GLvoid* *indices, GLsizei primcount);
+#endif
+
+/* GL_EXT_read_format_bgra */
+#ifndef GL_EXT_read_format_bgra
+#define GL_EXT_read_format_bgra 1
+#endif
+
 /* GL_EXT_texture_filter_anisotropic */
 #ifndef GL_EXT_texture_filter_anisotropic
 #define GL_EXT_texture_filter_anisotropic 1
 #endif
 
+/* GL_EXT_texture_format_BGRA8888 */
+#ifndef GL_EXT_texture_format_BGRA8888
+#define GL_EXT_texture_format_BGRA8888 1
+#endif
+
+/* GL_EXT_texture_lod_bias */
+#ifndef GL_EXT_texture_lod_bias
+#define GL_EXT_texture_lod_bias 1
+#endif
+
+/*------------------------------------------------------------------------*
+ * IMG extension functions
+ *------------------------------------------------------------------------*/
+
+/* GL_IMG_read_format */
+#ifndef GL_IMG_read_format
+#define GL_IMG_read_format 1
+#endif
+
+/* GL_IMG_texture_compression_pvrtc */
+#ifndef GL_IMG_texture_compression_pvrtc
+#define GL_IMG_texture_compression_pvrtc 1
+#endif
+
+/* GL_IMG_texture_env_enhanced_fixed_function */
+#ifndef GL_IMG_texture_env_enhanced_fixed_function
+#define GL_IMG_texture_env_enhanced_fixed_function 1
+#endif
+
+/* GL_IMG_user_clip_plane */
+#ifndef GL_IMG_user_clip_plane
+#define GL_IMG_user_clip_plane 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_API void GL_APIENTRY glClipPlanefIMG (GLenum p, const GLfloat *eqn);
+GL_API void GL_APIENTRY glClipPlanexIMG (GLenum p, const GLfixed *eqn);
+#endif
+typedef void (GL_APIENTRYP PFNGLCLIPPLANEFIMGPROC) (GLenum p, const GLfloat *eqn);
+typedef void (GL_APIENTRYP PFNGLCLIPPLANEXIMGPROC) (GLenum p, const GLfixed *eqn);
+#endif
+
+/* GL_IMG_multisampled_render_to_texture */
+#ifndef GL_IMG_multisampled_render_to_texture
+#define GL_IMG_multisampled_render_to_texture 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_API void GL_APIENTRY glRenderbufferStorageMultisampleIMG (GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height);
+GL_API void GL_APIENTRY glFramebufferTexture2DMultisampleIMG (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLsizei samples);
+#endif
+typedef void (GL_APIENTRYP PFNGLRENDERBUFFERSTORAGEMULTISAMPLEIMG) (GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height);
+typedef void (GL_APIENTRYP PFNGLFRAMEBUFFERTEXTURE2DMULTISAMPLEIMG) (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLsizei samples);
+#endif
+
+/*------------------------------------------------------------------------*
+ * NV extension functions
+ *------------------------------------------------------------------------*/
+
+/* NV_fence */
+#ifndef GL_NV_fence
+#define GL_NV_fence 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_API void GL_APIENTRY glDeleteFencesNV (GLsizei n, const GLuint *fences);
+GL_API void GL_APIENTRY glGenFencesNV (GLsizei n, GLuint *fences);
+GL_API GLboolean GL_APIENTRY glIsFenceNV (GLuint fence);
+GL_API GLboolean GL_APIENTRY glTestFenceNV (GLuint fence);
+GL_API void GL_APIENTRY glGetFenceivNV (GLuint fence, GLenum pname, GLint *params);
+GL_API void GL_APIENTRY glFinishFenceNV (GLuint fence);
+GL_API void GL_APIENTRY glSetFenceNV (GLuint fence, GLenum condition);
+#endif
+typedef void (GL_APIENTRYP PFNGLDELETEFENCESNVPROC) (GLsizei n, const GLuint *fences);
+typedef void (GL_APIENTRYP PFNGLGENFENCESNVPROC) (GLsizei n, GLuint *fences);
+typedef GLboolean (GL_APIENTRYP PFNGLISFENCENVPROC) (GLuint fence);
+typedef GLboolean (GL_APIENTRYP PFNGLTESTFENCENVPROC) (GLuint fence);
+typedef void (GL_APIENTRYP PFNGLGETFENCEIVNVPROC) (GLuint fence, GLenum pname, GLint *params);
+typedef void (GL_APIENTRYP PFNGLFINISHFENCENVPROC) (GLuint fence);
+typedef void (GL_APIENTRYP PFNGLSETFENCENVPROC) (GLuint fence, GLenum condition);
+#endif
+
+/*------------------------------------------------------------------------*
+ * QCOM extension functions
+ *------------------------------------------------------------------------*/
+
+/* GL_QCOM_driver_control */
+#ifndef GL_QCOM_driver_control
+#define GL_QCOM_driver_control 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_API void GL_APIENTRY glGetDriverControlsQCOM (GLint *num, GLsizei size, GLuint *driverControls);
+GL_API void GL_APIENTRY glGetDriverControlStringQCOM (GLuint driverControl, GLsizei bufSize, GLsizei *length, GLchar *driverControlString);
+GL_API void GL_APIENTRY glEnableDriverControlQCOM (GLuint driverControl);
+GL_API void GL_APIENTRY glDisableDriverControlQCOM (GLuint driverControl);
+#endif
+typedef void (GL_APIENTRYP PFNGLGETDRIVERCONTROLSQCOMPROC) (GLint *num, GLsizei size, GLuint *driverControls);
+typedef void (GL_APIENTRYP PFNGLGETDRIVERCONTROLSTRINGQCOMPROC) (GLuint driverControl, GLsizei bufSize, GLsizei *length, GLchar *driverControlString);
+typedef void (GL_APIENTRYP PFNGLENABLEDRIVERCONTROLQCOMPROC) (GLuint driverControl);
+typedef void (GL_APIENTRYP PFNGLDISABLEDRIVERCONTROLQCOMPROC) (GLuint driverControl);
+#endif
+
+/* GL_QCOM_extended_get */
+#ifndef GL_QCOM_extended_get
+#define GL_QCOM_extended_get 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_API void GL_APIENTRY glExtGetTexturesQCOM (GLuint *textures, GLint maxTextures, GLint *numTextures);
+GL_API void GL_APIENTRY glExtGetBuffersQCOM (GLuint *buffers, GLint maxBuffers, GLint *numBuffers);
+GL_API void GL_APIENTRY glExtGetRenderbuffersQCOM (GLuint *renderbuffers, GLint maxRenderbuffers, GLint *numRenderbuffers);
+GL_API void GL_APIENTRY glExtGetFramebuffersQCOM (GLuint *framebuffers, GLint maxFramebuffers, GLint *numFramebuffers);
+GL_API void GL_APIENTRY glExtGetTexLevelParameterivQCOM (GLuint texture, GLenum face, GLint level, GLenum pname, GLint *params);
+GL_API void GL_APIENTRY glExtTexObjectStateOverrideiQCOM (GLenum target, GLenum pname, GLint param);
+GL_API void GL_APIENTRY glExtGetTexSubImageQCOM (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, GLvoid *texels);
+GL_API void GL_APIENTRY glExtGetBufferPointervQCOM (GLenum target, GLvoid **params);
+#endif
+typedef void (GL_APIENTRYP PFNGLEXTGETTEXTURESQCOMPROC) (GLuint *textures, GLint maxTextures, GLint *numTextures);
+typedef void (GL_APIENTRYP PFNGLEXTGETBUFFERSQCOMPROC) (GLuint *buffers, GLint maxBuffers, GLint *numBuffers);
+typedef void (GL_APIENTRYP PFNGLEXTGETRENDERBUFFERSQCOMPROC) (GLuint *renderbuffers, GLint maxRenderbuffers, GLint *numRenderbuffers);
+typedef void (GL_APIENTRYP PFNGLEXTGETFRAMEBUFFERSQCOMPROC) (GLuint *framebuffers, GLint maxFramebuffers, GLint *numFramebuffers);
+typedef void (GL_APIENTRYP PFNGLEXTGETTEXLEVELPARAMETERIVQCOMPROC) (GLuint texture, GLenum face, GLint level, GLenum pname, GLint *params);
+typedef void (GL_APIENTRYP PFNGLEXTTEXOBJECTSTATEOVERRIDEIQCOMPROC) (GLenum target, GLenum pname, GLint param);
+typedef void (GL_APIENTRYP PFNGLEXTGETTEXSUBIMAGEQCOMPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, GLvoid *texels);
+typedef void (GL_APIENTRYP PFNGLEXTGETBUFFERPOINTERVQCOMPROC) (GLenum target, GLvoid **params);
+#endif
+
+/* GL_QCOM_extended_get2 */
+#ifndef GL_QCOM_extended_get2
+#define GL_QCOM_extended_get2 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_API void GL_APIENTRY glExtGetShadersQCOM (GLuint *shaders, GLint maxShaders, GLint *numShaders);
+GL_API void GL_APIENTRY glExtGetProgramsQCOM (GLuint *programs, GLint maxPrograms, GLint *numPrograms);
+GL_API GLboolean GL_APIENTRY glExtIsProgramBinaryQCOM (GLuint program);
+GL_API void GL_APIENTRY glExtGetProgramBinarySourceQCOM (GLuint program, GLenum shadertype, GLchar *source, GLint *length);
+#endif
+typedef void (GL_APIENTRYP PFNGLEXTGETSHADERSQCOMPROC) (GLuint *shaders, GLint maxShaders, GLint *numShaders);
+typedef void (GL_APIENTRYP PFNGLEXTGETPROGRAMSQCOMPROC) (GLuint *programs, GLint maxPrograms, GLint *numPrograms);
+typedef GLboolean (GL_APIENTRYP PFNGLEXTISPROGRAMBINARYQCOMPROC) (GLuint program);
+typedef void (GL_APIENTRYP PFNGLEXTGETPROGRAMBINARYSOURCEQCOMPROC) (GLuint program, GLenum shadertype, GLchar *source, GLint *length);
+#endif
+
+/* GL_QCOM_perfmon_global_mode */
+#ifndef GL_QCOM_perfmon_global_mode
+#define GL_QCOM_perfmon_global_mode 1
+#endif
+
+/* GL_QCOM_writeonly_rendering */
+#ifndef GL_QCOM_writeonly_rendering
+#define GL_QCOM_writeonly_rendering 1
+#endif
+
+/* GL_QCOM_tiled_rendering */
+#ifndef GL_QCOM_tiled_rendering
+#define GL_QCOM_tiled_rendering 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_API void GL_APIENTRY glStartTilingQCOM (GLuint x, GLuint y, GLuint width, GLuint height, GLbitfield preserveMask);
+GL_API void GL_APIENTRY glEndTilingQCOM (GLbitfield preserveMask);
+#endif
+typedef void (GL_APIENTRYP PFNGLSTARTTILINGQCOMPROC) (GLuint x, GLuint y, GLuint width, GLuint height, GLbitfield preserveMask);
+typedef void (GL_APIENTRYP PFNGLENDTILINGQCOMPROC) (GLbitfield preserveMask);
+#endif
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/opengl/include/GLES/glplatform.h b/opengl/include/GLES/glplatform.h
index 198e679..2db6ee2 100644
--- a/opengl/include/GLES/glplatform.h
+++ b/opengl/include/GLES/glplatform.h
@@ -1,7 +1,7 @@
 #ifndef __glplatform_h_
 #define __glplatform_h_
 
-/* $Revision: 7172 $ on $Date:: 2009-01-09 11:17:41 -0800 #$ */
+/* $Revision: 10601 $ on $Date:: 2010-03-04 22:15:27 -0800 #$ */
 
 /*
  * This document is licensed under the SGI Free Software B License Version
@@ -9,7 +9,6 @@
  */
 
 /* Platform-specific types and definitions for OpenGL ES 1.X  gl.h
- * Last modified on 2008/12/19
  *
  * Adopters may modify khrplatform.h and this file to suit their platform.
  * You are encouraged to submit all modifications to the Khronos group so that
@@ -24,10 +23,8 @@
 #define GL_API      KHRONOS_APICALL
 #endif
 
-#if defined(ANDROID)
-
+#ifndef GL_APIENTRY
 #define GL_APIENTRY KHRONOS_APIENTRY
-
 #endif
 
 #endif /* __glplatform_h_ */
diff --git a/opengl/include/GLES2/gl2.h b/opengl/include/GLES2/gl2.h
index 0182a67..e1d3b87 100644
--- a/opengl/include/GLES2/gl2.h
+++ b/opengl/include/GLES2/gl2.h
@@ -1,7 +1,7 @@
 #ifndef __gl2_h_
 #define __gl2_h_
 
-/* $Revision: 7173 $ on $Date:: 2009-01-09 11:18:21 -0800 #$ */
+/* $Revision: 10602 $ on $Date:: 2010-03-04 22:35:34 -0800 #$ */
 
 #include <GLES2/gl2platform.h>
 
@@ -19,6 +19,7 @@
  *-----------------------------------------------------------------------*/
 
 typedef void             GLvoid;
+typedef char             GLchar;
 typedef unsigned int     GLenum;
 typedef unsigned char    GLboolean;
 typedef unsigned int     GLbitfield;
@@ -472,7 +473,7 @@
 
 GL_APICALL void         GL_APIENTRY glActiveTexture (GLenum texture);
 GL_APICALL void         GL_APIENTRY glAttachShader (GLuint program, GLuint shader);
-GL_APICALL void         GL_APIENTRY glBindAttribLocation (GLuint program, GLuint index, const char* name);
+GL_APICALL void         GL_APIENTRY glBindAttribLocation (GLuint program, GLuint index, const GLchar* name);
 GL_APICALL void         GL_APIENTRY glBindBuffer (GLenum target, GLuint buffer);
 GL_APICALL void         GL_APIENTRY glBindFramebuffer (GLenum target, GLuint framebuffer);
 GL_APICALL void         GL_APIENTRY glBindRenderbuffer (GLenum target, GLuint renderbuffer);
@@ -482,8 +483,8 @@
 GL_APICALL void         GL_APIENTRY glBlendEquationSeparate (GLenum modeRGB, GLenum modeAlpha);
 GL_APICALL void         GL_APIENTRY glBlendFunc (GLenum sfactor, GLenum dfactor);
 GL_APICALL void         GL_APIENTRY glBlendFuncSeparate (GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha);
-GL_APICALL void         GL_APIENTRY glBufferData (GLenum target, GLsizeiptr size, const void* data, GLenum usage);
-GL_APICALL void         GL_APIENTRY glBufferSubData (GLenum target, GLintptr offset, GLsizeiptr size, const void* data);
+GL_APICALL void         GL_APIENTRY glBufferData (GLenum target, GLsizeiptr size, const GLvoid* data, GLenum usage);
+GL_APICALL void         GL_APIENTRY glBufferSubData (GLenum target, GLintptr offset, GLsizeiptr size, const GLvoid* data);
 GL_APICALL GLenum       GL_APIENTRY glCheckFramebufferStatus (GLenum target);
 GL_APICALL void         GL_APIENTRY glClear (GLbitfield mask);
 GL_APICALL void         GL_APIENTRY glClearColor (GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
@@ -491,8 +492,8 @@
 GL_APICALL void         GL_APIENTRY glClearStencil (GLint s);
 GL_APICALL void         GL_APIENTRY glColorMask (GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
 GL_APICALL void         GL_APIENTRY glCompileShader (GLuint shader);
-GL_APICALL void         GL_APIENTRY glCompressedTexImage2D (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const void* data);
-GL_APICALL void         GL_APIENTRY glCompressedTexSubImage2D (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void* data);
+GL_APICALL void         GL_APIENTRY glCompressedTexImage2D (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const GLvoid* data);
+GL_APICALL void         GL_APIENTRY glCompressedTexSubImage2D (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const GLvoid* data);
 GL_APICALL void         GL_APIENTRY glCopyTexImage2D (GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border);
 GL_APICALL void         GL_APIENTRY glCopyTexSubImage2D (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
 GL_APICALL GLuint       GL_APIENTRY glCreateProgram (void);
@@ -511,7 +512,7 @@
 GL_APICALL void         GL_APIENTRY glDisable (GLenum cap);
 GL_APICALL void         GL_APIENTRY glDisableVertexAttribArray (GLuint index);
 GL_APICALL void         GL_APIENTRY glDrawArrays (GLenum mode, GLint first, GLsizei count);
-GL_APICALL void         GL_APIENTRY glDrawElements (GLenum mode, GLsizei count, GLenum type, const void* indices);
+GL_APICALL void         GL_APIENTRY glDrawElements (GLenum mode, GLsizei count, GLenum type, const GLvoid* indices);
 GL_APICALL void         GL_APIENTRY glEnable (GLenum cap);
 GL_APICALL void         GL_APIENTRY glEnableVertexAttribArray (GLuint index);
 GL_APICALL void         GL_APIENTRY glFinish (void);
@@ -524,10 +525,10 @@
 GL_APICALL void         GL_APIENTRY glGenFramebuffers (GLsizei n, GLuint* framebuffers);
 GL_APICALL void         GL_APIENTRY glGenRenderbuffers (GLsizei n, GLuint* renderbuffers);
 GL_APICALL void         GL_APIENTRY glGenTextures (GLsizei n, GLuint* textures);
-GL_APICALL void         GL_APIENTRY glGetActiveAttrib (GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, char* name);
-GL_APICALL void         GL_APIENTRY glGetActiveUniform (GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, char* name);
+GL_APICALL void         GL_APIENTRY glGetActiveAttrib (GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name);
+GL_APICALL void         GL_APIENTRY glGetActiveUniform (GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name);
 GL_APICALL void         GL_APIENTRY glGetAttachedShaders (GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders);
-GL_APICALL int          GL_APIENTRY glGetAttribLocation (GLuint program, const char* name);
+GL_APICALL int          GL_APIENTRY glGetAttribLocation (GLuint program, const GLchar* name);
 GL_APICALL void         GL_APIENTRY glGetBooleanv (GLenum pname, GLboolean* params);
 GL_APICALL void         GL_APIENTRY glGetBufferParameteriv (GLenum target, GLenum pname, GLint* params);
 GL_APICALL GLenum       GL_APIENTRY glGetError (void);
@@ -535,21 +536,21 @@
 GL_APICALL void         GL_APIENTRY glGetFramebufferAttachmentParameteriv (GLenum target, GLenum attachment, GLenum pname, GLint* params);
 GL_APICALL void         GL_APIENTRY glGetIntegerv (GLenum pname, GLint* params);
 GL_APICALL void         GL_APIENTRY glGetProgramiv (GLuint program, GLenum pname, GLint* params);
-GL_APICALL void         GL_APIENTRY glGetProgramInfoLog (GLuint program, GLsizei bufsize, GLsizei* length, char* infolog);
+GL_APICALL void         GL_APIENTRY glGetProgramInfoLog (GLuint program, GLsizei bufsize, GLsizei* length, GLchar* infolog);
 GL_APICALL void         GL_APIENTRY glGetRenderbufferParameteriv (GLenum target, GLenum pname, GLint* params);
 GL_APICALL void         GL_APIENTRY glGetShaderiv (GLuint shader, GLenum pname, GLint* params);
-GL_APICALL void         GL_APIENTRY glGetShaderInfoLog (GLuint shader, GLsizei bufsize, GLsizei* length, char* infolog);
+GL_APICALL void         GL_APIENTRY glGetShaderInfoLog (GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* infolog);
 GL_APICALL void         GL_APIENTRY glGetShaderPrecisionFormat (GLenum shadertype, GLenum precisiontype, GLint* range, GLint* precision);
-GL_APICALL void         GL_APIENTRY glGetShaderSource (GLuint shader, GLsizei bufsize, GLsizei* length, char* source);
+GL_APICALL void         GL_APIENTRY glGetShaderSource (GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* source);
 GL_APICALL const GLubyte* GL_APIENTRY glGetString (GLenum name);
 GL_APICALL void         GL_APIENTRY glGetTexParameterfv (GLenum target, GLenum pname, GLfloat* params);
 GL_APICALL void         GL_APIENTRY glGetTexParameteriv (GLenum target, GLenum pname, GLint* params);
 GL_APICALL void         GL_APIENTRY glGetUniformfv (GLuint program, GLint location, GLfloat* params);
 GL_APICALL void         GL_APIENTRY glGetUniformiv (GLuint program, GLint location, GLint* params);
-GL_APICALL int          GL_APIENTRY glGetUniformLocation (GLuint program, const char* name);
+GL_APICALL int          GL_APIENTRY glGetUniformLocation (GLuint program, const GLchar* name);
 GL_APICALL void         GL_APIENTRY glGetVertexAttribfv (GLuint index, GLenum pname, GLfloat* params);
 GL_APICALL void         GL_APIENTRY glGetVertexAttribiv (GLuint index, GLenum pname, GLint* params);
-GL_APICALL void         GL_APIENTRY glGetVertexAttribPointerv (GLuint index, GLenum pname, void** pointer);
+GL_APICALL void         GL_APIENTRY glGetVertexAttribPointerv (GLuint index, GLenum pname, GLvoid** pointer);
 GL_APICALL void         GL_APIENTRY glHint (GLenum target, GLenum mode);
 GL_APICALL GLboolean    GL_APIENTRY glIsBuffer (GLuint buffer);
 GL_APICALL GLboolean    GL_APIENTRY glIsEnabled (GLenum cap);
@@ -562,25 +563,25 @@
 GL_APICALL void         GL_APIENTRY glLinkProgram (GLuint program);
 GL_APICALL void         GL_APIENTRY glPixelStorei (GLenum pname, GLint param);
 GL_APICALL void         GL_APIENTRY glPolygonOffset (GLfloat factor, GLfloat units);
-GL_APICALL void         GL_APIENTRY glReadPixels (GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, void* pixels);
+GL_APICALL void         GL_APIENTRY glReadPixels (GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid* pixels);
 GL_APICALL void         GL_APIENTRY glReleaseShaderCompiler (void);
 GL_APICALL void         GL_APIENTRY glRenderbufferStorage (GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
 GL_APICALL void         GL_APIENTRY glSampleCoverage (GLclampf value, GLboolean invert);
 GL_APICALL void         GL_APIENTRY glScissor (GLint x, GLint y, GLsizei width, GLsizei height);
-GL_APICALL void         GL_APIENTRY glShaderBinary (GLsizei n, const GLuint* shaders, GLenum binaryformat, const void* binary, GLsizei length);
-GL_APICALL void         GL_APIENTRY glShaderSource (GLuint shader, GLsizei count, const char** string, const GLint* length);
+GL_APICALL void         GL_APIENTRY glShaderBinary (GLsizei n, const GLuint* shaders, GLenum binaryformat, const GLvoid* binary, GLsizei length);
+GL_APICALL void         GL_APIENTRY glShaderSource (GLuint shader, GLsizei count, const GLchar** string, const GLint* length);
 GL_APICALL void         GL_APIENTRY glStencilFunc (GLenum func, GLint ref, GLuint mask);
 GL_APICALL void         GL_APIENTRY glStencilFuncSeparate (GLenum face, GLenum func, GLint ref, GLuint mask);
 GL_APICALL void         GL_APIENTRY glStencilMask (GLuint mask);
 GL_APICALL void         GL_APIENTRY glStencilMaskSeparate (GLenum face, GLuint mask);
 GL_APICALL void         GL_APIENTRY glStencilOp (GLenum fail, GLenum zfail, GLenum zpass);
 GL_APICALL void         GL_APIENTRY glStencilOpSeparate (GLenum face, GLenum fail, GLenum zfail, GLenum zpass);
-GL_APICALL void         GL_APIENTRY glTexImage2D (GLenum target, GLint level, GLint internalformat,  GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid* pixels);
+GL_APICALL void         GL_APIENTRY glTexImage2D (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid* pixels);
 GL_APICALL void         GL_APIENTRY glTexParameterf (GLenum target, GLenum pname, GLfloat param);
 GL_APICALL void         GL_APIENTRY glTexParameterfv (GLenum target, GLenum pname, const GLfloat* params);
 GL_APICALL void         GL_APIENTRY glTexParameteri (GLenum target, GLenum pname, GLint param);
 GL_APICALL void         GL_APIENTRY glTexParameteriv (GLenum target, GLenum pname, const GLint* params);
-GL_APICALL void         GL_APIENTRY glTexSubImage2D (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const void* pixels);
+GL_APICALL void         GL_APIENTRY glTexSubImage2D (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid* pixels);
 GL_APICALL void         GL_APIENTRY glUniform1f (GLint location, GLfloat x);
 GL_APICALL void         GL_APIENTRY glUniform1fv (GLint location, GLsizei count, const GLfloat* v);
 GL_APICALL void         GL_APIENTRY glUniform1i (GLint location, GLint x);
@@ -610,7 +611,7 @@
 GL_APICALL void         GL_APIENTRY glVertexAttrib3fv (GLuint indx, const GLfloat* values);
 GL_APICALL void         GL_APIENTRY glVertexAttrib4f (GLuint indx, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
 GL_APICALL void         GL_APIENTRY glVertexAttrib4fv (GLuint indx, const GLfloat* values);
-GL_APICALL void         GL_APIENTRY glVertexAttribPointer (GLuint indx, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const void* ptr);
+GL_APICALL void         GL_APIENTRY glVertexAttribPointer (GLuint indx, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid* ptr);
 GL_APICALL void         GL_APIENTRY glViewport (GLint x, GLint y, GLsizei width, GLsizei height);
 
 #ifdef __cplusplus
diff --git a/opengl/include/GLES2/gl2ext.h b/opengl/include/GLES2/gl2ext.h
index 72f1ae7..de5d65a 100644
--- a/opengl/include/GLES2/gl2ext.h
+++ b/opengl/include/GLES2/gl2ext.h
@@ -1,7 +1,7 @@
 #ifndef __gl2ext_h_
 #define __gl2ext_h_
 
-/* $Revision: 8271 $ on $Date:: 2009-05-21 09:33:40 -0700 #$ */
+/* $Revision: 10969 $ on $Date:: 2010-04-09 02:27:15 -0700 #$ */
 
 #ifdef __cplusplus
 extern "C" {
@@ -57,6 +57,11 @@
 typedef void* GLeglImageOES;
 #endif
 
+/* GL_OES_element_index_uint */
+#ifndef GL_OES_element_index_uint
+#define GL_UNSIGNED_INT                                         0x1405
+#endif
+
 /* GL_OES_get_program_binary */
 #ifndef GL_OES_get_program_binary
 #define GL_PROGRAM_BINARY_LENGTH_OES                            0x8741
@@ -100,8 +105,8 @@
 #define GL_STENCIL_INDEX4_OES                                   0x8D47
 #endif
 
-/* GL_OES_texture3D */
-#ifndef GL_OES_texture3D
+/* GL_OES_texture_3D */
+#ifndef GL_OES_texture_3D
 #define GL_TEXTURE_WRAP_R_OES                                   0x8072
 #define GL_TEXTURE_3D_OES                                       0x806F
 #define GL_TEXTURE_BINDING_3D_OES                               0x806A
@@ -110,11 +115,28 @@
 #define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_3D_ZOFFSET_OES        0x8CD4
 #endif
 
+/* GL_OES_texture_float */
+/* No new tokens introduced by this extension. */
+
+/* GL_OES_texture_float_linear */
+/* No new tokens introduced by this extension. */
+
 /* GL_OES_texture_half_float */
 #ifndef GL_OES_texture_half_float
 #define GL_HALF_FLOAT_OES                                       0x8D61
 #endif
 
+/* GL_OES_texture_half_float_linear */
+/* No new tokens introduced by this extension. */
+
+/* GL_OES_texture_npot */
+/* No new tokens introduced by this extension. */
+
+/* GL_OES_vertex_array_object */
+#ifndef GL_OES_vertex_array_object
+#define GL_VERTEX_ARRAY_BINDING_OES                             0x85B5
+#endif
+
 /* GL_OES_vertex_half_float */
 /* GL_HALF_FLOAT_OES defined in GL_OES_texture_half_float already. */
 
@@ -124,6 +146,11 @@
 #define GL_INT_10_10_10_2_OES                                   0x8DF7
 #endif
 
+/* GL_OES_texture_external */
+#ifndef GL_TEXTURE_EXTERNAL_OES
+#define GL_TEXTURE_EXTERNAL_OES                                 0x8D65
+#endif
+
 /*------------------------------------------------------------------------*
  * AMD extension tokens
  *------------------------------------------------------------------------*/
@@ -141,11 +168,6 @@
 #define GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD                      0x87EE
 #endif
 
-/* GL_AMD_program_binary_Z400 */
-#ifndef GL_AMD_program_binary_Z400
-#define GL_Z400_BINARY_AMD                                      0x8740
-#endif
-
 /* GL_AMD_performance_monitor */
 #ifndef GL_AMD_performance_monitor
 #define GL_COUNTER_TYPE_AMD                                     0x8BC0
@@ -157,35 +179,78 @@
 #define GL_PERFMON_RESULT_AMD                                   0x8BC6
 #endif
 
+/* GL_AMD_program_binary_Z400 */
+#ifndef GL_AMD_program_binary_Z400
+#define GL_Z400_BINARY_AMD                                      0x8740
+#endif
+
 /*------------------------------------------------------------------------*
  * EXT extension tokens
  *------------------------------------------------------------------------*/
 
+/* GL_EXT_blend_minmax */
+#ifndef GL_EXT_blend_minmax
+#define GL_MIN_EXT                                              0x8007
+#define GL_MAX_EXT                                              0x8008
+#endif
+
+/* GL_EXT_discard_framebuffer */
+#ifndef GL_EXT_discard_framebuffer
+#define GL_COLOR_EXT                                            0x1800
+#define GL_DEPTH_EXT                                            0x1801
+#define GL_STENCIL_EXT                                          0x1802
+#endif
+
+/* GL_EXT_multi_draw_arrays */
+/* No new tokens introduced by this extension. */
+
+/* GL_EXT_read_format_bgra */
+#ifndef GL_EXT_read_format_bgra
+#define GL_BGRA_EXT                                             0x80E1
+#define GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT                       0x8365
+#define GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT                       0x8366
+#endif
+
 /* GL_EXT_texture_filter_anisotropic */
 #ifndef GL_EXT_texture_filter_anisotropic
 #define GL_TEXTURE_MAX_ANISOTROPY_EXT                           0x84FE
 #define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT                       0x84FF
 #endif
 
+/* GL_EXT_texture_format_BGRA8888 */
+#ifndef GL_EXT_texture_format_BGRA8888
+#define GL_BGRA_EXT                                             0x80E1
+#endif
+
 /* GL_EXT_texture_type_2_10_10_10_REV */
 #ifndef GL_EXT_texture_type_2_10_10_10_REV
 #define GL_UNSIGNED_INT_2_10_10_10_REV_EXT                      0x8368
 #endif
 
-/* GL_EXT_texture_format_BGRA8888 */
-#ifndef GL_EXT_texture_format_BGRA8888
-#define GL_BGRA                                                 0x80E1
+/* GL_EXT_texture_compression_dxt1 */
+#ifndef GL_EXT_texture_compression_dxt1
+#define GL_COMPRESSED_RGB_S3TC_DXT1_EXT                         0x83F0
+#define GL_COMPRESSED_RGBA_S3TC_DXT1_EXT                        0x83F1
 #endif
 
 /*------------------------------------------------------------------------*
  * IMG extension tokens
  *------------------------------------------------------------------------*/
 
+/* GL_IMG_program_binary */
+#ifndef GL_IMG_program_binary
+#define GL_SGX_PROGRAM_BINARY_IMG                               0x9130
+#endif
+
 /* GL_IMG_read_format */
 #ifndef GL_IMG_read_format
-#define GL_BGRA                                                 0x80E1
-#define GL_UNSIGNED_SHORT_4_4_4_4_REV                           0x8365
-#define GL_UNSIGNED_SHORT_1_5_5_5_REV                           0x8366
+#define GL_BGRA_IMG                                             0x80E1
+#define GL_UNSIGNED_SHORT_4_4_4_4_REV_IMG                       0x8365
+#endif
+
+/* GL_IMG_shader_binary */
+#ifndef GL_IMG_shader_binary
+#define GL_SGX_BINARY_IMG                                       0x8C0A
 #endif
 
 /* GL_IMG_texture_compression_pvrtc */
@@ -196,6 +261,14 @@
 #define GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG                     0x8C03
 #endif
 
+/* GL_IMG_multisampled_render_to_texture */
+#ifndef GL_IMG_multisampled_render_to_texture
+#define GL_RENDERBUFFER_SAMPLES_IMG                             0x9133
+#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_IMG               0x9134
+#define GL_MAX_SAMPLES_IMG                                      0x9135
+#define GL_TEXTURE_SAMPLES_IMG                                  0x9136
+#endif
+
 /*------------------------------------------------------------------------*
  * NV extension tokens
  *------------------------------------------------------------------------*/
@@ -207,6 +280,24 @@
 #define GL_FENCE_CONDITION_NV                                   0x84F4
 #endif
 
+/* GL_NV_coverage_sample */
+#ifndef GL_NV_coverage_sample
+#define GL_COVERAGE_COMPONENT_NV                                0x8ED0
+#define GL_COVERAGE_COMPONENT4_NV                               0x8ED1
+#define GL_COVERAGE_ATTACHMENT_NV                               0x8ED2
+#define GL_COVERAGE_BUFFERS_NV                                  0x8ED3
+#define GL_COVERAGE_SAMPLES_NV                                  0x8ED4
+#define GL_COVERAGE_ALL_FRAGMENTS_NV                            0x8ED5
+#define GL_COVERAGE_EDGE_FRAGMENTS_NV                           0x8ED6
+#define GL_COVERAGE_AUTOMATIC_NV                                0x8ED7
+#define GL_COVERAGE_BUFFER_BIT_NV                               0x8000
+#endif
+
+/* GL_NV_depth_nonlinear */
+#ifndef GL_NV_depth_nonlinear
+#define GL_DEPTH_COMPONENT16_NONLINEAR_NV                       0x8E2C
+#endif
+
 /*------------------------------------------------------------------------*
  * QCOM extension tokens
  *------------------------------------------------------------------------*/
@@ -214,11 +305,70 @@
 /* GL_QCOM_driver_control */
 /* No new tokens introduced by this extension. */
 
+/* GL_QCOM_extended_get */
+#ifndef GL_QCOM_extended_get
+#define GL_TEXTURE_WIDTH_QCOM                                   0x8BD2
+#define GL_TEXTURE_HEIGHT_QCOM                                  0x8BD3
+#define GL_TEXTURE_DEPTH_QCOM                                   0x8BD4
+#define GL_TEXTURE_INTERNAL_FORMAT_QCOM                         0x8BD5
+#define GL_TEXTURE_FORMAT_QCOM                                  0x8BD6
+#define GL_TEXTURE_TYPE_QCOM                                    0x8BD7
+#define GL_TEXTURE_IMAGE_VALID_QCOM                             0x8BD8
+#define GL_TEXTURE_NUM_LEVELS_QCOM                              0x8BD9
+#define GL_TEXTURE_TARGET_QCOM                                  0x8BDA
+#define GL_TEXTURE_OBJECT_VALID_QCOM                            0x8BDB
+#define GL_STATE_RESTORE                                        0x8BDC
+#endif
+
+/* GL_QCOM_extended_get2 */
+/* No new tokens introduced by this extension. */
+
 /* GL_QCOM_perfmon_global_mode */
 #ifndef GL_QCOM_perfmon_global_mode
 #define GL_PERFMON_GLOBAL_MODE_QCOM                             0x8FA0
 #endif
 
+/* GL_QCOM_writeonly_rendering */
+#ifndef GL_QCOM_writeonly_rendering
+#define GL_WRITEONLY_RENDERING_QCOM                             0x8823
+#endif
+
+/* GL_QCOM_tiled_rendering */
+#ifndef GL_QCOM_tiled_rendering
+#define GL_COLOR_BUFFER_BIT0_QCOM                               0x00000001
+#define GL_COLOR_BUFFER_BIT1_QCOM                               0x00000002
+#define GL_COLOR_BUFFER_BIT2_QCOM                               0x00000004
+#define GL_COLOR_BUFFER_BIT3_QCOM                               0x00000008
+#define GL_COLOR_BUFFER_BIT4_QCOM                               0x00000010
+#define GL_COLOR_BUFFER_BIT5_QCOM                               0x00000020
+#define GL_COLOR_BUFFER_BIT6_QCOM                               0x00000040
+#define GL_COLOR_BUFFER_BIT7_QCOM                               0x00000080
+#define GL_DEPTH_BUFFER_BIT0_QCOM                               0x00000100
+#define GL_DEPTH_BUFFER_BIT1_QCOM                               0x00000200
+#define GL_DEPTH_BUFFER_BIT2_QCOM                               0x00000400
+#define GL_DEPTH_BUFFER_BIT3_QCOM                               0x00000800
+#define GL_DEPTH_BUFFER_BIT4_QCOM                               0x00001000
+#define GL_DEPTH_BUFFER_BIT5_QCOM                               0x00002000
+#define GL_DEPTH_BUFFER_BIT6_QCOM                               0x00004000
+#define GL_DEPTH_BUFFER_BIT7_QCOM                               0x00008000
+#define GL_STENCIL_BUFFER_BIT0_QCOM                             0x00010000
+#define GL_STENCIL_BUFFER_BIT1_QCOM                             0x00020000
+#define GL_STENCIL_BUFFER_BIT2_QCOM                             0x00040000
+#define GL_STENCIL_BUFFER_BIT3_QCOM                             0x00080000
+#define GL_STENCIL_BUFFER_BIT4_QCOM                             0x00100000
+#define GL_STENCIL_BUFFER_BIT5_QCOM                             0x00200000
+#define GL_STENCIL_BUFFER_BIT6_QCOM                             0x00400000
+#define GL_STENCIL_BUFFER_BIT7_QCOM                             0x00800000
+#define GL_MULTISAMPLE_BUFFER_BIT0_QCOM                         0x01000000
+#define GL_MULTISAMPLE_BUFFER_BIT1_QCOM                         0x02000000
+#define GL_MULTISAMPLE_BUFFER_BIT2_QCOM                         0x04000000
+#define GL_MULTISAMPLE_BUFFER_BIT3_QCOM                         0x08000000
+#define GL_MULTISAMPLE_BUFFER_BIT4_QCOM                         0x10000000
+#define GL_MULTISAMPLE_BUFFER_BIT5_QCOM                         0x20000000
+#define GL_MULTISAMPLE_BUFFER_BIT6_QCOM                         0x40000000
+#define GL_MULTISAMPLE_BUFFER_BIT7_QCOM                         0x80000000
+#endif
+
 /*------------------------------------------------------------------------*
  * End of extension tokens, start of corresponding extension functions
  *------------------------------------------------------------------------*/
@@ -237,17 +387,6 @@
 #define GL_OES_compressed_paletted_texture 1
 #endif
 
-/* GL_OES_EGL_image */
-#ifndef GL_OES_EGL_image
-#define GL_OES_EGL_image 1
-#ifdef GL_GLEXT_PROTOTYPES
-GL_APICALL void GL_APIENTRY glEGLImageTargetTexture2DOES (GLenum target, GLeglImageOES image);
-GL_APICALL void GL_APIENTRY glEGLImageTargetRenderbufferStorageOES (GLenum target, GLeglImageOES image);
-#endif
-typedef void (GL_APIENTRYP PFNGLEGLIMAGETARGETTEXTURE2DOESPROC) (GLenum target, GLeglImageOES image);
-typedef void (GL_APIENTRYP PFNGLEGLIMAGETARGETRENDERBUFFERSTORAGEOESPROC) (GLenum target, GLeglImageOES image);
-#endif
-
 /* GL_OES_depth24 */
 #ifndef GL_OES_depth24
 #define GL_OES_depth24 1
@@ -263,6 +402,17 @@
 #define GL_OES_depth_texture 1
 #endif
 
+/* GL_OES_EGL_image */
+#ifndef GL_OES_EGL_image
+#define GL_OES_EGL_image 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glEGLImageTargetTexture2DOES (GLenum target, GLeglImageOES image);
+GL_APICALL void GL_APIENTRY glEGLImageTargetRenderbufferStorageOES (GLenum target, GLeglImageOES image);
+#endif
+typedef void (GL_APIENTRYP PFNGLEGLIMAGETARGETTEXTURE2DOESPROC) (GLenum target, GLeglImageOES image);
+typedef void (GL_APIENTRYP PFNGLEGLIMAGETARGETRENDERBUFFERSTORAGEOESPROC) (GLenum target, GLeglImageOES image);
+#endif
+
 /* GL_OES_element_index_uint */
 #ifndef GL_OES_element_index_uint
 #define GL_OES_element_index_uint 1
@@ -282,11 +432,11 @@
 #ifndef GL_OES_get_program_binary
 #define GL_OES_get_program_binary 1
 #ifdef GL_GLEXT_PROTOTYPES
-GL_APICALL void GL_APIENTRY glGetProgramBinaryOES (GLuint program, GLsizei bufSize, GLsizei *length, GLenum *binaryFormat, void *binary);
-GL_APICALL void GL_APIENTRY glProgramBinaryOES (GLuint program, GLenum binaryFormat, const void *binary, GLint length);
+GL_APICALL void GL_APIENTRY glGetProgramBinaryOES (GLuint program, GLsizei bufSize, GLsizei *length, GLenum *binaryFormat, GLvoid *binary);
+GL_APICALL void GL_APIENTRY glProgramBinaryOES (GLuint program, GLenum binaryFormat, const GLvoid *binary, GLint length);
 #endif
-typedef void (GL_APIENTRYP PFNGLGETPROGRAMBINARYOESPROC) (GLuint program, GLsizei bufSize, GLsizei *length, GLenum *binaryFormat, void *binary);
-typedef void (GL_APIENTRYP PFNGLPROGRAMBINARYOESPROC) (GLuint program, GLenum binaryFormat, const void *binary, GLint length);
+typedef void (GL_APIENTRYP PFNGLGETPROGRAMBINARYOESPROC) (GLuint program, GLsizei bufSize, GLsizei *length, GLenum *binaryFormat, GLvoid *binary);
+typedef void (GL_APIENTRYP PFNGLPROGRAMBINARYOESPROC) (GLuint program, GLenum binaryFormat, const GLvoid *binary, GLint length);
 #endif
 
 /* GL_OES_mapbuffer */
@@ -295,11 +445,11 @@
 #ifdef GL_GLEXT_PROTOTYPES
 GL_APICALL void* GL_APIENTRY glMapBufferOES (GLenum target, GLenum access);
 GL_APICALL GLboolean GL_APIENTRY glUnmapBufferOES (GLenum target);
-GL_APICALL void GL_APIENTRY glGetBufferPointervOES (GLenum target, GLenum pname, void** params);
+GL_APICALL void GL_APIENTRY glGetBufferPointervOES (GLenum target, GLenum pname, GLvoid** params);
 #endif
 typedef void* (GL_APIENTRYP PFNGLMAPBUFFEROESPROC) (GLenum target, GLenum access);
 typedef GLboolean (GL_APIENTRYP PFNGLUNMAPBUFFEROESPROC) (GLenum target);
-typedef void (GL_APIENTRYP PFNGLGETBUFFERPOINTERVOESPROC) (GLenum target, GLenum pname, void** params);
+typedef void (GL_APIENTRYP PFNGLGETBUFFERPOINTERVOESPROC) (GLenum target, GLenum pname, GLvoid** params);
 #endif
 
 /* GL_OES_packed_depth_stencil */
@@ -331,46 +481,61 @@
 #ifndef GL_OES_texture_3D
 #define GL_OES_texture_3D 1
 #ifdef GL_GLEXT_PROTOTYPES
-GL_APICALL void GL_APIENTRY glTexImage3DOES (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const void* pixels);
-GL_APICALL void GL_APIENTRY glTexSubImage3DOES (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void* pixels);
+GL_APICALL void GL_APIENTRY glTexImage3DOES (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid* pixels);
+GL_APICALL void GL_APIENTRY glTexSubImage3DOES (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const GLvoid* pixels);
 GL_APICALL void GL_APIENTRY glCopyTexSubImage3DOES (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);
-GL_APICALL void GL_APIENTRY glCompressedTexImage3DOES (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const void* data);
-GL_APICALL void GL_APIENTRY glCompressedTexSubImage3DOES (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const void* data);
+GL_APICALL void GL_APIENTRY glCompressedTexImage3DOES (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const GLvoid* data);
+GL_APICALL void GL_APIENTRY glCompressedTexSubImage3DOES (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const GLvoid* data);
 GL_APICALL void GL_APIENTRY glFramebufferTexture3DOES (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset);
 #endif
 typedef void (GL_APIENTRYP PFNGLTEXIMAGE3DOESPROC) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid* pixels);
-typedef void (GL_APIENTRYP PFNGLTEXSUBIMAGE3DOESPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void* pixels);
+typedef void (GL_APIENTRYP PFNGLTEXSUBIMAGE3DOESPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const GLvoid* pixels);
 typedef void (GL_APIENTRYP PFNGLCOPYTEXSUBIMAGE3DOESPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);
-typedef void (GL_APIENTRYP PFNGLCOMPRESSEDTEXIMAGE3DOESPROC) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const void* data);
-typedef void (GL_APIENTRYP PFNGLCOMPRESSEDTEXSUBIMAGE3DOESPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const void* data);
+typedef void (GL_APIENTRYP PFNGLCOMPRESSEDTEXIMAGE3DOESPROC) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const GLvoid* data);
+typedef void (GL_APIENTRYP PFNGLCOMPRESSEDTEXSUBIMAGE3DOESPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const GLvoid* data);
 typedef void (GL_APIENTRYP PFNGLFRAMEBUFFERTEXTURE3DOES) (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset);
 #endif
 
-/* GL_OES_texture_float_linear */
-#ifndef GL_OES_texture_float_linear
-#define GL_OES_texture_float_linear 1
-#endif
-
-/* GL_OES_texture_half_float_linear */
-#ifndef GL_OES_texture_half_float_linear
-#define GL_OES_texture_half_float_linear 1
-#endif
-
 /* GL_OES_texture_float */
 #ifndef GL_OES_texture_float
 #define GL_OES_texture_float 1
 #endif
 
+/* GL_OES_texture_float_linear */
+#ifndef GL_OES_texture_float_linear
+#define GL_OES_texture_float_linear 1
+#endif
+
 /* GL_OES_texture_half_float */
 #ifndef GL_OES_texture_half_float
 #define GL_OES_texture_half_float 1
 #endif
 
+/* GL_OES_texture_half_float_linear */
+#ifndef GL_OES_texture_half_float_linear
+#define GL_OES_texture_half_float_linear 1
+#endif
+
 /* GL_OES_texture_npot */
 #ifndef GL_OES_texture_npot
 #define GL_OES_texture_npot 1
 #endif
 
+/* GL_OES_vertex_array_object */
+#ifndef GL_OES_vertex_array_object
+#define GL_OES_vertex_array_object 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glBindVertexArrayOES (GLuint array);
+GL_APICALL void GL_APIENTRY glDeleteVertexArraysOES (GLsizei n, const GLuint *arrays);
+GL_APICALL void GL_APIENTRY glGenVertexArraysOES (GLsizei n, GLuint *arrays);
+GL_APICALL GLboolean GL_APIENTRY glIsVertexArrayOES (GLuint array);
+#endif
+typedef void (GL_APIENTRYP PFNGLBINDVERTEXARRAYOESPROC) (GLuint array);
+typedef void (GL_APIENTRYP PFNGLDELETEVERTEXARRAYSOESPROC) (GLsizei n, const GLuint *arrays);
+typedef void (GL_APIENTRYP PFNGLGENVERTEXARRAYSOESPROC) (GLsizei n, GLuint *arrays);
+typedef GLboolean (GL_APIENTRYP PFNGLISVERTEXARRAYOESPROC) (GLuint array);
+#endif
+
 /* GL_OES_vertex_half_float */
 #ifndef GL_OES_vertex_half_float
 #define GL_OES_vertex_half_float 1
@@ -381,6 +546,11 @@
 #define GL_OES_vertex_type_10_10_10_2 1
 #endif
 
+/* GL_OES_texture_external */
+#ifndef GL_OES_texture_external
+#define GL_OES_texture_external 1
+#endif
+
 /*------------------------------------------------------------------------*
  * AMD extension functions
  *------------------------------------------------------------------------*/
@@ -395,20 +565,15 @@
 #define GL_AMD_compressed_ATC_texture 1
 #endif
 
-/* GL_AMD_program_binary_Z400 */
-#ifndef GL_AMD_program_binary_Z400
-#define GL_AMD_program_binary_Z400 1
-#endif
-
 /* AMD_performance_monitor */
 #ifndef GL_AMD_performance_monitor
 #define GL_AMD_performance_monitor 1
 #ifdef GL_GLEXT_PROTOTYPES
 GL_APICALL void GL_APIENTRY glGetPerfMonitorGroupsAMD (GLint *numGroups, GLsizei groupsSize, GLuint *groups);
 GL_APICALL void GL_APIENTRY glGetPerfMonitorCountersAMD (GLuint group, GLint *numCounters, GLint *maxActiveCounters, GLsizei counterSize, GLuint *counters);
-GL_APICALL void GL_APIENTRY glGetPerfMonitorGroupStringAMD (GLuint group, GLsizei bufSize, GLsizei *length, char *groupString);
-GL_APICALL void GL_APIENTRY glGetPerfMonitorCounterStringAMD (GLuint group, GLuint counter, GLsizei bufSize, GLsizei *length, char *counterString);
-GL_APICALL void GL_APIENTRY glGetPerfMonitorCounterInfoAMD (GLuint group, GLuint counter, GLenum pname, void *data);
+GL_APICALL void GL_APIENTRY glGetPerfMonitorGroupStringAMD (GLuint group, GLsizei bufSize, GLsizei *length, GLchar *groupString);
+GL_APICALL void GL_APIENTRY glGetPerfMonitorCounterStringAMD (GLuint group, GLuint counter, GLsizei bufSize, GLsizei *length, GLchar *counterString);
+GL_APICALL void GL_APIENTRY glGetPerfMonitorCounterInfoAMD (GLuint group, GLuint counter, GLenum pname, GLvoid *data);
 GL_APICALL void GL_APIENTRY glGenPerfMonitorsAMD (GLsizei n, GLuint *monitors);
 GL_APICALL void GL_APIENTRY glDeletePerfMonitorsAMD (GLsizei n, GLuint *monitors);
 GL_APICALL void GL_APIENTRY glSelectPerfMonitorCountersAMD (GLuint monitor, GLboolean enable, GLuint group, GLint numCounters, GLuint *countersList);
@@ -418,9 +583,9 @@
 #endif
 typedef void (GL_APIENTRYP PFNGLGETPERFMONITORGROUPSAMDPROC) (GLint *numGroups, GLsizei groupsSize, GLuint *groups);
 typedef void (GL_APIENTRYP PFNGLGETPERFMONITORCOUNTERSAMDPROC) (GLuint group, GLint *numCounters, GLint *maxActiveCounters, GLsizei counterSize, GLuint *counters);
-typedef void (GL_APIENTRYP PFNGLGETPERFMONITORGROUPSTRINGAMDPROC) (GLuint group, GLsizei bufSize, GLsizei *length, char *groupString);
-typedef void (GL_APIENTRYP PFNGLGETPERFMONITORCOUNTERSTRINGAMDPROC) (GLuint group, GLuint counter, GLsizei bufSize, GLsizei *length, char *counterString);
-typedef void (GL_APIENTRYP PFNGLGETPERFMONITORCOUNTERINFOAMDPROC) (GLuint group, GLuint counter, GLenum pname, void *data);
+typedef void (GL_APIENTRYP PFNGLGETPERFMONITORGROUPSTRINGAMDPROC) (GLuint group, GLsizei bufSize, GLsizei *length, GLchar *groupString);
+typedef void (GL_APIENTRYP PFNGLGETPERFMONITORCOUNTERSTRINGAMDPROC) (GLuint group, GLuint counter, GLsizei bufSize, GLsizei *length, GLchar *counterString);
+typedef void (GL_APIENTRYP PFNGLGETPERFMONITORCOUNTERINFOAMDPROC) (GLuint group, GLuint counter, GLenum pname, GLvoid *data);
 typedef void (GL_APIENTRYP PFNGLGENPERFMONITORSAMDPROC) (GLsizei n, GLuint *monitors);
 typedef void (GL_APIENTRYP PFNGLDELETEPERFMONITORSAMDPROC) (GLsizei n, GLuint *monitors);
 typedef void (GL_APIENTRYP PFNGLSELECTPERFMONITORCOUNTERSAMDPROC) (GLuint monitor, GLboolean enable, GLuint group, GLint numCounters, GLuint *countersList);
@@ -429,39 +594,99 @@
 typedef void (GL_APIENTRYP PFNGLGETPERFMONITORCOUNTERDATAAMDPROC) (GLuint monitor, GLenum pname, GLsizei dataSize, GLuint *data, GLint *bytesWritten);
 #endif
 
+/* GL_AMD_program_binary_Z400 */
+#ifndef GL_AMD_program_binary_Z400
+#define GL_AMD_program_binary_Z400 1
+#endif
+
 /*------------------------------------------------------------------------*
  * EXT extension functions
  *------------------------------------------------------------------------*/
 
+/* GL_EXT_blend_minmax */
+#ifndef GL_EXT_blend_minmax
+#define GL_EXT_blend_minmax 1
+#endif
+
+/* GL_EXT_discard_framebuffer */
+#ifndef GL_EXT_discard_framebuffer
+#define GL_EXT_discard_framebuffer 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glDiscardFramebufferEXT (GLenum target, GLsizei numAttachments, const GLenum *attachments);
+#endif
+typedef void (GL_APIENTRYP PFNGLDISCARDFRAMEBUFFEREXTPROC) (GLenum target, GLsizei numAttachments, const GLenum *attachments);
+#endif
+
+#ifndef GL_EXT_multi_draw_arrays
+#define GL_EXT_multi_draw_arrays 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glMultiDrawArraysEXT (GLenum mode, GLint *first, GLsizei *count, GLsizei primcount);
+GL_APICALL void GL_APIENTRY glMultiDrawElementsEXT (GLenum mode, const GLsizei *count, GLenum type, const GLvoid* *indices, GLsizei primcount);
+#endif /* GL_GLEXT_PROTOTYPES */
+typedef void (GL_APIENTRYP PFNGLMULTIDRAWARRAYSEXTPROC) (GLenum mode, GLint *first, GLsizei *count, GLsizei primcount);
+typedef void (GL_APIENTRYP PFNGLMULTIDRAWELEMENTSEXTPROC) (GLenum mode, const GLsizei *count, GLenum type, const GLvoid* *indices, GLsizei primcount);
+#endif
+
+/* GL_EXT_read_format_bgra */
+#ifndef GL_EXT_read_format_bgra
+#define GL_EXT_read_format_bgra 1
+#endif
+
 /* GL_EXT_texture_filter_anisotropic */
 #ifndef GL_EXT_texture_filter_anisotropic
 #define GL_EXT_texture_filter_anisotropic 1
 #endif
 
-/* GL_EXT_texture_type_2_10_10_10_REV */
-#ifndef GL_EXT_texture_type_2_10_10_10_REV
-#define GL_EXT_texture_type_2_10_10_10_REV 1
-#endif
-
 /* GL_EXT_texture_format_BGRA8888 */
 #ifndef GL_EXT_texture_format_BGRA8888
 #define GL_EXT_texture_format_BGRA8888 1
 #endif
 
+/* GL_EXT_texture_type_2_10_10_10_REV */
+#ifndef GL_EXT_texture_type_2_10_10_10_REV
+#define GL_EXT_texture_type_2_10_10_10_REV 1
+#endif
+
+/* GL_EXT_texture_compression_dxt1 */
+#ifndef GL_EXT_texture_compression_dxt1
+#define GL_EXT_texture_compression_dxt1 1
+#endif
+
 /*------------------------------------------------------------------------*
  * IMG extension functions
  *------------------------------------------------------------------------*/
 
+/* GL_IMG_program_binary */
+#ifndef GL_IMG_program_binary
+#define GL_IMG_program_binary 1
+#endif
+
 /* GL_IMG_read_format */
 #ifndef GL_IMG_read_format
 #define GL_IMG_read_format 1
 #endif
 
+/* GL_IMG_shader_binary */
+#ifndef GL_IMG_shader_binary
+#define GL_IMG_shader_binary 1
+#endif
+
 /* GL_IMG_texture_compression_pvrtc */
 #ifndef GL_IMG_texture_compression_pvrtc
 #define GL_IMG_texture_compression_pvrtc 1
 #endif
 
+/* GL_IMG_multisampled_render_to_texture */
+#ifndef GL_IMG_multisampled_render_to_texture
+#define GL_IMG_multisampled_render_to_texture 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glRenderbufferStorageMultisampleIMG (GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height);
+GL_APICALL void GL_APIENTRY glFramebufferTexture2DMultisampleIMG (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLsizei samples);
+#endif
+typedef void (GL_APIENTRYP PFNGLRENDERBUFFERSTORAGEMULTISAMPLEIMG) (GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height);
+typedef void (GL_APIENTRYP PFNGLFRAMEBUFFERTEXTURE2DMULTISAMPLEIMG) (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLsizei samples);
+#endif
+
 /*------------------------------------------------------------------------*
  * NV extension functions
  *------------------------------------------------------------------------*/
@@ -487,6 +712,22 @@
 typedef void (GL_APIENTRYP PFNGLSETFENCENVPROC) (GLuint fence, GLenum condition);
 #endif
 
+/* GL_NV_coverage_sample */
+#ifndef GL_NV_coverage_sample
+#define GL_NV_coverage_sample 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glCoverageMaskNV (GLboolean mask);
+GL_APICALL void GL_APIENTRY glCoverageOperationNV (GLenum operation);
+#endif
+typedef void (GL_APIENTRYP PFNGLCOVERAGEMASKNVPROC) (GLboolean mask);
+typedef void (GL_APIENTRYP PFNGLCOVERAGEOPERATIONNVPROC) (GLenum operation);
+#endif
+
+/* GL_NV_depth_nonlinear */
+#ifndef GL_NV_depth_nonlinear
+#define GL_NV_depth_nonlinear 1
+#endif
+
 /*------------------------------------------------------------------------*
  * QCOM extension functions
  *------------------------------------------------------------------------*/
@@ -496,21 +737,75 @@
 #define GL_QCOM_driver_control 1
 #ifdef GL_GLEXT_PROTOTYPES
 GL_APICALL void GL_APIENTRY glGetDriverControlsQCOM (GLint *num, GLsizei size, GLuint *driverControls);
-GL_APICALL void GL_APIENTRY glGetDriverControlStringQCOM (GLuint driverControl, GLsizei bufSize, GLsizei *length, char *driverControlString);
+GL_APICALL void GL_APIENTRY glGetDriverControlStringQCOM (GLuint driverControl, GLsizei bufSize, GLsizei *length, GLchar *driverControlString);
 GL_APICALL void GL_APIENTRY glEnableDriverControlQCOM (GLuint driverControl);
 GL_APICALL void GL_APIENTRY glDisableDriverControlQCOM (GLuint driverControl);
 #endif
 typedef void (GL_APIENTRYP PFNGLGETDRIVERCONTROLSQCOMPROC) (GLint *num, GLsizei size, GLuint *driverControls);
-typedef void (GL_APIENTRYP PFNGLGETDRIVERCONTROLSTRINGQCOMPROC) (GLuint driverControl, GLsizei bufSize, GLsizei *length, char *driverControlString);
+typedef void (GL_APIENTRYP PFNGLGETDRIVERCONTROLSTRINGQCOMPROC) (GLuint driverControl, GLsizei bufSize, GLsizei *length, GLchar *driverControlString);
 typedef void (GL_APIENTRYP PFNGLENABLEDRIVERCONTROLQCOMPROC) (GLuint driverControl);
 typedef void (GL_APIENTRYP PFNGLDISABLEDRIVERCONTROLQCOMPROC) (GLuint driverControl);
 #endif
 
+/* GL_QCOM_extended_get */
+#ifndef GL_QCOM_extended_get
+#define GL_QCOM_extended_get 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glExtGetTexturesQCOM (GLuint *textures, GLint maxTextures, GLint *numTextures);
+GL_APICALL void GL_APIENTRY glExtGetBuffersQCOM (GLuint *buffers, GLint maxBuffers, GLint *numBuffers);
+GL_APICALL void GL_APIENTRY glExtGetRenderbuffersQCOM (GLuint *renderbuffers, GLint maxRenderbuffers, GLint *numRenderbuffers);
+GL_APICALL void GL_APIENTRY glExtGetFramebuffersQCOM (GLuint *framebuffers, GLint maxFramebuffers, GLint *numFramebuffers);
+GL_APICALL void GL_APIENTRY glExtGetTexLevelParameterivQCOM (GLuint texture, GLenum face, GLint level, GLenum pname, GLint *params);
+GL_APICALL void GL_APIENTRY glExtTexObjectStateOverrideiQCOM (GLenum target, GLenum pname, GLint param);
+GL_APICALL void GL_APIENTRY glExtGetTexSubImageQCOM (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, GLvoid *texels);
+GL_APICALL void GL_APIENTRY glExtGetBufferPointervQCOM (GLenum target, GLvoid **params);
+#endif
+typedef void (GL_APIENTRYP PFNGLEXTGETTEXTURESQCOMPROC) (GLuint *textures, GLint maxTextures, GLint *numTextures);
+typedef void (GL_APIENTRYP PFNGLEXTGETBUFFERSQCOMPROC) (GLuint *buffers, GLint maxBuffers, GLint *numBuffers);
+typedef void (GL_APIENTRYP PFNGLEXTGETRENDERBUFFERSQCOMPROC) (GLuint *renderbuffers, GLint maxRenderbuffers, GLint *numRenderbuffers);
+typedef void (GL_APIENTRYP PFNGLEXTGETFRAMEBUFFERSQCOMPROC) (GLuint *framebuffers, GLint maxFramebuffers, GLint *numFramebuffers);
+typedef void (GL_APIENTRYP PFNGLEXTGETTEXLEVELPARAMETERIVQCOMPROC) (GLuint texture, GLenum face, GLint level, GLenum pname, GLint *params);
+typedef void (GL_APIENTRYP PFNGLEXTTEXOBJECTSTATEOVERRIDEIQCOMPROC) (GLenum target, GLenum pname, GLint param);
+typedef void (GL_APIENTRYP PFNGLEXTGETTEXSUBIMAGEQCOMPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, GLvoid *texels);
+typedef void (GL_APIENTRYP PFNGLEXTGETBUFFERPOINTERVQCOMPROC) (GLenum target, GLvoid **params);
+#endif
+
+/* GL_QCOM_extended_get2 */
+#ifndef GL_QCOM_extended_get2
+#define GL_QCOM_extended_get2 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glExtGetShadersQCOM (GLuint *shaders, GLint maxShaders, GLint *numShaders);
+GL_APICALL void GL_APIENTRY glExtGetProgramsQCOM (GLuint *programs, GLint maxPrograms, GLint *numPrograms);
+GL_APICALL GLboolean GL_APIENTRY glExtIsProgramBinaryQCOM (GLuint program);
+GL_APICALL void GL_APIENTRY glExtGetProgramBinarySourceQCOM (GLuint program, GLenum shadertype, GLchar *source, GLint *length);
+#endif
+typedef void (GL_APIENTRYP PFNGLEXTGETSHADERSQCOMPROC) (GLuint *shaders, GLint maxShaders, GLint *numShaders);
+typedef void (GL_APIENTRYP PFNGLEXTGETPROGRAMSQCOMPROC) (GLuint *programs, GLint maxPrograms, GLint *numPrograms);
+typedef GLboolean (GL_APIENTRYP PFNGLEXTISPROGRAMBINARYQCOMPROC) (GLuint program);
+typedef void (GL_APIENTRYP PFNGLEXTGETPROGRAMBINARYSOURCEQCOMPROC) (GLuint program, GLenum shadertype, GLchar *source, GLint *length);
+#endif
+
 /* GL_QCOM_perfmon_global_mode */
 #ifndef GL_QCOM_perfmon_global_mode
 #define GL_QCOM_perfmon_global_mode 1
 #endif
 
+/* GL_QCOM_writeonly_rendering */
+#ifndef GL_QCOM_writeonly_rendering
+#define GL_QCOM_writeonly_rendering 1
+#endif
+
+/* GL_QCOM_tiled_rendering */
+#ifndef GL_QCOM_tiled_rendering
+#define GL_QCOM_tiled_rendering 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glStartTilingQCOM (GLuint x, GLuint y, GLuint width, GLuint height, GLbitfield preserveMask);
+GL_APICALL void GL_APIENTRY glEndTilingQCOM (GLbitfield preserveMask);
+#endif
+typedef void (GL_APIENTRYP PFNGLSTARTTILINGQCOMPROC) (GLuint x, GLuint y, GLuint width, GLuint height, GLbitfield preserveMask);
+typedef void (GL_APIENTRYP PFNGLENDTILINGQCOMPROC) (GLbitfield preserveMask);
+#endif
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/opengl/include/GLES2/gl2platform.h b/opengl/include/GLES2/gl2platform.h
index 3e9036c..c9fa3c4 100644
--- a/opengl/include/GLES2/gl2platform.h
+++ b/opengl/include/GLES2/gl2platform.h
@@ -1,7 +1,7 @@
 #ifndef __gl2platform_h_
 #define __gl2platform_h_
 
-/* $Revision: 7173 $ on $Date:: 2009-01-09 11:18:21 -0800 #$ */
+/* $Revision: 10602 $ on $Date:: 2010-03-04 22:35:34 -0800 #$ */
 
 /*
  * This document is licensed under the SGI Free Software B License Version
@@ -9,7 +9,6 @@
  */
 
 /* Platform-specific types and definitions for OpenGL ES 2.X  gl2.h
- * Last modified on 2008/12/19
  *
  * Adopters may modify khrplatform.h and this file to suit their platform.
  * You are encouraged to submit all modifications to the Khronos group so that
@@ -24,6 +23,8 @@
 #define GL_APICALL  KHRONOS_APICALL
 #endif
 
+#ifndef GL_APIENTRY
 #define GL_APIENTRY KHRONOS_APIENTRY
+#endif
 
 #endif /* __gl2platform_h_ */
diff --git a/opengl/libagl/Android.mk b/opengl/libagl/Android.mk
index 6cb146c..8abd649 100644
--- a/opengl/libagl/Android.mk
+++ b/opengl/libagl/Android.mk
@@ -37,6 +37,10 @@
 	LOCAL_CFLAGS += -fstrict-aliasing
 endif
 
+ifeq ($(ARCH_ARM_HAVE_TLS_REGISTER),true)
+    LOCAL_CFLAGS += -DHAVE_ARM_TLS_REGISTER
+endif
+
 ifneq ($(TARGET_SIMULATOR),true)
     # we need to access the private Bionic header <bionic_tls.h>
     # on ARM platforms, we need to mirror the ARCH_ARM_HAVE_TLS_REGISTER
diff --git a/opengl/libagl/egl.cpp b/opengl/libagl/egl.cpp
index b6e0aae..54d7307 100644
--- a/opengl/libagl/egl.cpp
+++ b/opengl/libagl/egl.cpp
@@ -213,7 +213,7 @@
     egl_window_surface_v2_t(
             EGLDisplay dpy, EGLConfig config,
             int32_t depthFormat,
-            android_native_window_t* window);
+            ANativeWindow* window);
 
     ~egl_window_surface_v2_t();
 
@@ -235,7 +235,7 @@
 private:
     status_t lock(android_native_buffer_t* buf, int usage, void** vaddr);
     status_t unlock(android_native_buffer_t* buf);
-    android_native_window_t*   nativeWindow;
+    ANativeWindow*   nativeWindow;
     android_native_buffer_t*   buffer;
     android_native_buffer_t*   previousBuffer;
     gralloc_module_t const*    module;
@@ -355,7 +355,7 @@
 egl_window_surface_v2_t::egl_window_surface_v2_t(EGLDisplay dpy,
         EGLConfig config,
         int32_t depthFormat,
-        android_native_window_t* window)
+        ANativeWindow* window)
     : egl_surface_t(dpy, config, depthFormat), 
     nativeWindow(window), buffer(0), previousBuffer(0), module(0),
     blitengine(0), bits(NULL)
@@ -1300,7 +1300,7 @@
     if (!(surfaceType & EGL_WINDOW_BIT))
         return setError(EGL_BAD_MATCH, EGL_NO_SURFACE);
 
-    if (static_cast<android_native_window_t*>(window)->common.magic !=
+    if (static_cast<ANativeWindow*>(window)->common.magic !=
             ANDROID_NATIVE_WINDOW_MAGIC) {
         return setError(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE);
     }
@@ -1323,7 +1323,7 @@
 
     egl_surface_t* surface;
     surface = new egl_window_surface_v2_t(dpy, config, depthFormat,
-            static_cast<android_native_window_t*>(window));
+            static_cast<ANativeWindow*>(window));
 
     if (!surface->initCheck()) {
         // there was a problem in the ctor, the error
@@ -1525,8 +1525,13 @@
     }
 
     if (ggl_unlikely(attrib_list==0)) {
-        *num_config = 0;
-        return EGL_TRUE;
+        /*
+         * A NULL attrib_list should be treated as though it was an empty
+         * one (terminated with EGL_NONE) as defined in
+         * section 3.4.1 "Querying Configurations" in the EGL specification.
+         */
+        static const EGLint dummy = EGL_NONE;
+        attrib_list = &dummy;
     }
 
     int numAttributes = 0;
diff --git a/opengl/libagl/texture.cpp b/opengl/libagl/texture.cpp
index 9407bd5..d67612e 100644
--- a/opengl/libagl/texture.cpp
+++ b/opengl/libagl/texture.cpp
@@ -1515,7 +1515,7 @@
         ogles_error(c, GL_INVALID_VALUE);
         return;
     }
-    if (x<0 || x<0) {
+    if (x<0 || y<0) {
         ogles_error(c, GL_INVALID_VALUE);
         return;
     }
diff --git a/opengl/libs/EGL/egl.cpp b/opengl/libs/EGL/egl.cpp
index 89b3e1f..714fd3e 100644
--- a/opengl/libs/EGL/egl.cpp
+++ b/opengl/libs/EGL/egl.cpp
@@ -239,7 +239,7 @@
 
 // ----------------------------------------------------------------------------
 
-egl_connection_t gEGLImpl[IMPL_NUM_IMPLEMENTATIONS];
+static egl_connection_t gEGLImpl[IMPL_NUM_IMPLEMENTATIONS];
 static egl_display_t gDisplay[NUM_DISPLAYS];
 static pthread_mutex_t gThreadLocalStorageKeyMutex = PTHREAD_MUTEX_INITIALIZER;
 static pthread_key_t gEGLThreadLocalStorageKey = -1;
@@ -843,10 +843,12 @@
     EGLint patch_index = -1;
     GLint attr;
     size_t size = 0;
-    while ((attr=attrib_list[size]) != EGL_NONE) {
-        if (attr == EGL_CONFIG_ID)
-            patch_index = size;
-        size += 2;
+    if (attrib_list) {
+        while ((attr=attrib_list[size]) != EGL_NONE) {
+            if (attr == EGL_CONFIG_ID)
+                patch_index = size;
+            size += 2;
+        }
     }
     if (patch_index >= 0) {
         size += 2; // we need copy the sentinel as well
@@ -1043,6 +1045,10 @@
     int i=0, index=0;
     egl_connection_t* cnx = validate_display_config(dpy, config, dp, i, index);
     if (cnx) {
+        if (share_list != EGL_NO_CONTEXT) {
+            egl_context_t* const c = get_context(share_list);
+            share_list = c->context;
+        }
         EGLContext context = cnx->egl.eglCreateContext(
                 dp->disp[i].dpy, dp->disp[i].config[index],
                 share_list, attrib_list);
diff --git a/opengl/libs/GLES2/gl2_api.in b/opengl/libs/GLES2/gl2_api.in
index 9c2e69a..5164450 100644
--- a/opengl/libs/GLES2/gl2_api.in
+++ b/opengl/libs/GLES2/gl2_api.in
@@ -4,7 +4,7 @@
 void API_ENTRY(glAttachShader)(GLuint program, GLuint shader) {
     CALL_GL_API(glAttachShader, program, shader);
 }
-void API_ENTRY(glBindAttribLocation)(GLuint program, GLuint index, const char* name) {
+void API_ENTRY(glBindAttribLocation)(GLuint program, GLuint index, const GLchar* name) {
     CALL_GL_API(glBindAttribLocation, program, index, name);
 }
 void API_ENTRY(glBindBuffer)(GLenum target, GLuint buffer) {
@@ -34,10 +34,10 @@
 void API_ENTRY(glBlendFuncSeparate)(GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha) {
     CALL_GL_API(glBlendFuncSeparate, srcRGB, dstRGB, srcAlpha, dstAlpha);
 }
-void API_ENTRY(glBufferData)(GLenum target, GLsizeiptr size, const void* data, GLenum usage) {
+void API_ENTRY(glBufferData)(GLenum target, GLsizeiptr size, const GLvoid* data, GLenum usage) {
     CALL_GL_API(glBufferData, target, size, data, usage);
 }
-void API_ENTRY(glBufferSubData)(GLenum target, GLintptr offset, GLsizeiptr size, const void* data) {
+void API_ENTRY(glBufferSubData)(GLenum target, GLintptr offset, GLsizeiptr size, const GLvoid* data) {
     CALL_GL_API(glBufferSubData, target, offset, size, data);
 }
 GLenum API_ENTRY(glCheckFramebufferStatus)(GLenum target) {
@@ -61,10 +61,10 @@
 void API_ENTRY(glCompileShader)(GLuint shader) {
     CALL_GL_API(glCompileShader, shader);
 }
-void API_ENTRY(glCompressedTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const void* data) {
+void API_ENTRY(glCompressedTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const GLvoid* data) {
     CALL_GL_API(glCompressedTexImage2D, target, level, internalformat, width, height, border, imageSize, data);
 }
-void API_ENTRY(glCompressedTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void* data) {
+void API_ENTRY(glCompressedTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const GLvoid* data) {
     CALL_GL_API(glCompressedTexSubImage2D, target, level, xoffset, yoffset, width, height, format, imageSize, data);
 }
 void API_ENTRY(glCopyTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border) {
@@ -121,7 +121,7 @@
 void API_ENTRY(glDrawArrays)(GLenum mode, GLint first, GLsizei count) {
     CALL_GL_API(glDrawArrays, mode, first, count);
 }
-void API_ENTRY(glDrawElements)(GLenum mode, GLsizei count, GLenum type, const void* indices) {
+void API_ENTRY(glDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid* indices) {
     CALL_GL_API(glDrawElements, mode, count, type, indices);
 }
 void API_ENTRY(glEnable)(GLenum cap) {
@@ -160,16 +160,16 @@
 void API_ENTRY(glGenTextures)(GLsizei n, GLuint* textures) {
     CALL_GL_API(glGenTextures, n, textures);
 }
-void API_ENTRY(glGetActiveAttrib)(GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, char* name) {
+void API_ENTRY(glGetActiveAttrib)(GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name) {
     CALL_GL_API(glGetActiveAttrib, program, index, bufsize, length, size, type, name);
 }
-void API_ENTRY(glGetActiveUniform)(GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, char* name) {
+void API_ENTRY(glGetActiveUniform)(GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name) {
     CALL_GL_API(glGetActiveUniform, program, index, bufsize, length, size, type, name);
 }
 void API_ENTRY(glGetAttachedShaders)(GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders) {
     CALL_GL_API(glGetAttachedShaders, program, maxcount, count, shaders);
 }
-int API_ENTRY(glGetAttribLocation)(GLuint program, const char* name) {
+int API_ENTRY(glGetAttribLocation)(GLuint program, const GLchar* name) {
     CALL_GL_API_RETURN(glGetAttribLocation, program, name);
 }
 void API_ENTRY(glGetBooleanv)(GLenum pname, GLboolean* params) {
@@ -193,7 +193,7 @@
 void API_ENTRY(glGetProgramiv)(GLuint program, GLenum pname, GLint* params) {
     CALL_GL_API(glGetProgramiv, program, pname, params);
 }
-void API_ENTRY(glGetProgramInfoLog)(GLuint program, GLsizei bufsize, GLsizei* length, char* infolog) {
+void API_ENTRY(glGetProgramInfoLog)(GLuint program, GLsizei bufsize, GLsizei* length, GLchar* infolog) {
     CALL_GL_API(glGetProgramInfoLog, program, bufsize, length, infolog);
 }
 void API_ENTRY(glGetRenderbufferParameteriv)(GLenum target, GLenum pname, GLint* params) {
@@ -202,13 +202,13 @@
 void API_ENTRY(glGetShaderiv)(GLuint shader, GLenum pname, GLint* params) {
     CALL_GL_API(glGetShaderiv, shader, pname, params);
 }
-void API_ENTRY(glGetShaderInfoLog)(GLuint shader, GLsizei bufsize, GLsizei* length, char* infolog) {
+void API_ENTRY(glGetShaderInfoLog)(GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* infolog) {
     CALL_GL_API(glGetShaderInfoLog, shader, bufsize, length, infolog);
 }
 void API_ENTRY(glGetShaderPrecisionFormat)(GLenum shadertype, GLenum precisiontype, GLint* range, GLint* precision) {
     CALL_GL_API(glGetShaderPrecisionFormat, shadertype, precisiontype, range, precision);
 }
-void API_ENTRY(glGetShaderSource)(GLuint shader, GLsizei bufsize, GLsizei* length, char* source) {
+void API_ENTRY(glGetShaderSource)(GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* source) {
     CALL_GL_API(glGetShaderSource, shader, bufsize, length, source);
 }
 const GLubyte* API_ENTRY(glGetString)(GLenum name) {
@@ -226,7 +226,7 @@
 void API_ENTRY(glGetUniformiv)(GLuint program, GLint location, GLint* params) {
     CALL_GL_API(glGetUniformiv, program, location, params);
 }
-int API_ENTRY(glGetUniformLocation)(GLuint program, const char* name) {
+int API_ENTRY(glGetUniformLocation)(GLuint program, const GLchar* name) {
     CALL_GL_API_RETURN(glGetUniformLocation, program, name);
 }
 void API_ENTRY(glGetVertexAttribfv)(GLuint index, GLenum pname, GLfloat* params) {
@@ -235,7 +235,7 @@
 void API_ENTRY(glGetVertexAttribiv)(GLuint index, GLenum pname, GLint* params) {
     CALL_GL_API(glGetVertexAttribiv, index, pname, params);
 }
-void API_ENTRY(glGetVertexAttribPointerv)(GLuint index, GLenum pname, void** pointer) {
+void API_ENTRY(glGetVertexAttribPointerv)(GLuint index, GLenum pname, GLvoid** pointer) {
     CALL_GL_API(glGetVertexAttribPointerv, index, pname, pointer);
 }
 void API_ENTRY(glHint)(GLenum target, GLenum mode) {
@@ -274,7 +274,7 @@
 void API_ENTRY(glPolygonOffset)(GLfloat factor, GLfloat units) {
     CALL_GL_API(glPolygonOffset, factor, units);
 }
-void API_ENTRY(glReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, void* pixels) {
+void API_ENTRY(glReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid* pixels) {
     CALL_GL_API(glReadPixels, x, y, width, height, format, type, pixels);
 }
 void API_ENTRY(glReleaseShaderCompiler)(void) {
@@ -289,10 +289,10 @@
 void API_ENTRY(glScissor)(GLint x, GLint y, GLsizei width, GLsizei height) {
     CALL_GL_API(glScissor, x, y, width, height);
 }
-void API_ENTRY(glShaderBinary)(GLsizei n, const GLuint* shaders, GLenum binaryformat, const void* binary, GLsizei length) {
+void API_ENTRY(glShaderBinary)(GLsizei n, const GLuint* shaders, GLenum binaryformat, const GLvoid* binary, GLsizei length) {
     CALL_GL_API(glShaderBinary, n, shaders, binaryformat, binary, length);
 }
-void API_ENTRY(glShaderSource)(GLuint shader, GLsizei count, const char** string, const GLint* length) {
+void API_ENTRY(glShaderSource)(GLuint shader, GLsizei count, const GLchar** string, const GLint* length) {
     CALL_GL_API(glShaderSource, shader, count, string, length);
 }
 void API_ENTRY(glStencilFunc)(GLenum func, GLint ref, GLuint mask) {
@@ -313,7 +313,7 @@
 void API_ENTRY(glStencilOpSeparate)(GLenum face, GLenum fail, GLenum zfail, GLenum zpass) {
     CALL_GL_API(glStencilOpSeparate, face, fail, zfail, zpass);
 }
-void API_ENTRY(glTexImage2D)(GLenum target, GLint level, GLint internalformat,  GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid* pixels) {
+void API_ENTRY(glTexImage2D)(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid* pixels) {
     CALL_GL_API(glTexImage2D, target, level, internalformat, width, height, border, format, type, pixels);
 }
 void API_ENTRY(glTexParameterf)(GLenum target, GLenum pname, GLfloat param) {
@@ -328,7 +328,7 @@
 void API_ENTRY(glTexParameteriv)(GLenum target, GLenum pname, const GLint* params) {
     CALL_GL_API(glTexParameteriv, target, pname, params);
 }
-void API_ENTRY(glTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const void* pixels) {
+void API_ENTRY(glTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid* pixels) {
     CALL_GL_API(glTexSubImage2D, target, level, xoffset, yoffset, width, height, format, type, pixels);
 }
 void API_ENTRY(glUniform1f)(GLint location, GLfloat x) {
@@ -418,7 +418,7 @@
 void API_ENTRY(glVertexAttrib4fv)(GLuint indx, const GLfloat* values) {
     CALL_GL_API(glVertexAttrib4fv, indx, values);
 }
-void API_ENTRY(glVertexAttribPointer)(GLuint indx, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const void* ptr) {
+void API_ENTRY(glVertexAttribPointer)(GLuint indx, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid* ptr) {
     CALL_GL_API(glVertexAttribPointer, indx, size, type, normalized, stride, ptr);
 }
 void API_ENTRY(glViewport)(GLint x, GLint y, GLsizei width, GLsizei height) {
diff --git a/opengl/libs/GLES2/gl2ext_api.in b/opengl/libs/GLES2/gl2ext_api.in
index 6eeecb3..e965625 100644
--- a/opengl/libs/GLES2/gl2ext_api.in
+++ b/opengl/libs/GLES2/gl2ext_api.in
@@ -4,10 +4,10 @@
 void API_ENTRY(__glEGLImageTargetRenderbufferStorageOES)(GLenum target, GLeglImageOES image) {
     CALL_GL_API(glEGLImageTargetRenderbufferStorageOES, target, image);
 }
-void API_ENTRY(glGetProgramBinaryOES)(GLuint program, GLsizei bufSize, GLsizei *length, GLenum *binaryFormat, void *binary) {
+void API_ENTRY(glGetProgramBinaryOES)(GLuint program, GLsizei bufSize, GLsizei *length, GLenum *binaryFormat, GLvoid *binary) {
     CALL_GL_API(glGetProgramBinaryOES, program, bufSize, length, binaryFormat, binary);
 }
-void API_ENTRY(glProgramBinaryOES)(GLuint program, GLenum binaryFormat, const void *binary, GLint length) {
+void API_ENTRY(glProgramBinaryOES)(GLuint program, GLenum binaryFormat, const GLvoid *binary, GLint length) {
     CALL_GL_API(glProgramBinaryOES, program, binaryFormat, binary, length);
 }
 void* API_ENTRY(glMapBufferOES)(GLenum target, GLenum access) {
@@ -16,40 +16,52 @@
 GLboolean API_ENTRY(glUnmapBufferOES)(GLenum target) {
     CALL_GL_API_RETURN(glUnmapBufferOES, target);
 }
-void API_ENTRY(glGetBufferPointervOES)(GLenum target, GLenum pname, void** params) {
+void API_ENTRY(glGetBufferPointervOES)(GLenum target, GLenum pname, GLvoid** params) {
     CALL_GL_API(glGetBufferPointervOES, target, pname, params);
 }
-void API_ENTRY(glTexImage3DOES)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const void* pixels) {
+void API_ENTRY(glTexImage3DOES)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid* pixels) {
     CALL_GL_API(glTexImage3DOES, target, level, internalformat, width, height, depth, border, format, type, pixels);
 }
-void API_ENTRY(glTexSubImage3DOES)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void* pixels) {
+void API_ENTRY(glTexSubImage3DOES)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const GLvoid* pixels) {
     CALL_GL_API(glTexSubImage3DOES, target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels);
 }
 void API_ENTRY(glCopyTexSubImage3DOES)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height) {
     CALL_GL_API(glCopyTexSubImage3DOES, target, level, xoffset, yoffset, zoffset, x, y, width, height);
 }
-void API_ENTRY(glCompressedTexImage3DOES)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const void* data) {
+void API_ENTRY(glCompressedTexImage3DOES)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const GLvoid* data) {
     CALL_GL_API(glCompressedTexImage3DOES, target, level, internalformat, width, height, depth, border, imageSize, data);
 }
-void API_ENTRY(glCompressedTexSubImage3DOES)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const void* data) {
+void API_ENTRY(glCompressedTexSubImage3DOES)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const GLvoid* data) {
     CALL_GL_API(glCompressedTexSubImage3DOES, target, level, xoffset, yoffset, zoffset, width, height, depth, format, imageSize, data);
 }
 void API_ENTRY(glFramebufferTexture3DOES)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset) {
     CALL_GL_API(glFramebufferTexture3DOES, target, attachment, textarget, texture, level, zoffset);
 }
+void API_ENTRY(glBindVertexArrayOES)(GLuint array) {
+    CALL_GL_API(glBindVertexArrayOES, array);
+}
+void API_ENTRY(glDeleteVertexArraysOES)(GLsizei n, const GLuint *arrays) {
+    CALL_GL_API(glDeleteVertexArraysOES, n, arrays);
+}
+void API_ENTRY(glGenVertexArraysOES)(GLsizei n, GLuint *arrays) {
+    CALL_GL_API(glGenVertexArraysOES, n, arrays);
+}
+GLboolean API_ENTRY(glIsVertexArrayOES)(GLuint array) {
+    CALL_GL_API_RETURN(glIsVertexArrayOES, array);
+}
 void API_ENTRY(glGetPerfMonitorGroupsAMD)(GLint *numGroups, GLsizei groupsSize, GLuint *groups) {
     CALL_GL_API(glGetPerfMonitorGroupsAMD, numGroups, groupsSize, groups);
 }
 void API_ENTRY(glGetPerfMonitorCountersAMD)(GLuint group, GLint *numCounters, GLint *maxActiveCounters, GLsizei counterSize, GLuint *counters) {
     CALL_GL_API(glGetPerfMonitorCountersAMD, group, numCounters, maxActiveCounters, counterSize, counters);
 }
-void API_ENTRY(glGetPerfMonitorGroupStringAMD)(GLuint group, GLsizei bufSize, GLsizei *length, char *groupString) {
+void API_ENTRY(glGetPerfMonitorGroupStringAMD)(GLuint group, GLsizei bufSize, GLsizei *length, GLchar *groupString) {
     CALL_GL_API(glGetPerfMonitorGroupStringAMD, group, bufSize, length, groupString);
 }
-void API_ENTRY(glGetPerfMonitorCounterStringAMD)(GLuint group, GLuint counter, GLsizei bufSize, GLsizei *length, char *counterString) {
+void API_ENTRY(glGetPerfMonitorCounterStringAMD)(GLuint group, GLuint counter, GLsizei bufSize, GLsizei *length, GLchar *counterString) {
     CALL_GL_API(glGetPerfMonitorCounterStringAMD, group, counter, bufSize, length, counterString);
 }
-void API_ENTRY(glGetPerfMonitorCounterInfoAMD)(GLuint group, GLuint counter, GLenum pname, void *data) {
+void API_ENTRY(glGetPerfMonitorCounterInfoAMD)(GLuint group, GLuint counter, GLenum pname, GLvoid *data) {
     CALL_GL_API(glGetPerfMonitorCounterInfoAMD, group, counter, pname, data);
 }
 void API_ENTRY(glGenPerfMonitorsAMD)(GLsizei n, GLuint *monitors) {
@@ -70,6 +82,21 @@
 void API_ENTRY(glGetPerfMonitorCounterDataAMD)(GLuint monitor, GLenum pname, GLsizei dataSize, GLuint *data, GLint *bytesWritten) {
     CALL_GL_API(glGetPerfMonitorCounterDataAMD, monitor, pname, dataSize, data, bytesWritten);
 }
+void API_ENTRY(glDiscardFramebufferEXT)(GLenum target, GLsizei numAttachments, const GLenum *attachments) {
+    CALL_GL_API(glDiscardFramebufferEXT, target, numAttachments, attachments);
+}
+void API_ENTRY(glMultiDrawArraysEXT)(GLenum mode, GLint *first, GLsizei *count, GLsizei primcount) {
+    CALL_GL_API(glMultiDrawArraysEXT, mode, first, count, primcount);
+}
+void API_ENTRY(glMultiDrawElementsEXT)(GLenum mode, const GLsizei *count, GLenum type, const GLvoid* *indices, GLsizei primcount) {
+    CALL_GL_API(glMultiDrawElementsEXT, mode, count, type, indices, primcount);
+}
+void API_ENTRY(glRenderbufferStorageMultisampleIMG)(GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height) {
+    CALL_GL_API(glRenderbufferStorageMultisampleIMG, target, samples, internalformat, width, height);
+}
+void API_ENTRY(glFramebufferTexture2DMultisampleIMG)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLsizei samples) {
+    CALL_GL_API(glFramebufferTexture2DMultisampleIMG, target, attachment, textarget, texture, level, samples);
+}
 void API_ENTRY(glDeleteFencesNV)(GLsizei n, const GLuint *fences) {
     CALL_GL_API(glDeleteFencesNV, n, fences);
 }
@@ -91,10 +118,16 @@
 void API_ENTRY(glSetFenceNV)(GLuint fence, GLenum condition) {
     CALL_GL_API(glSetFenceNV, fence, condition);
 }
+void API_ENTRY(glCoverageMaskNV)(GLboolean mask) {
+    CALL_GL_API(glCoverageMaskNV, mask);
+}
+void API_ENTRY(glCoverageOperationNV)(GLenum operation) {
+    CALL_GL_API(glCoverageOperationNV, operation);
+}
 void API_ENTRY(glGetDriverControlsQCOM)(GLint *num, GLsizei size, GLuint *driverControls) {
     CALL_GL_API(glGetDriverControlsQCOM, num, size, driverControls);
 }
-void API_ENTRY(glGetDriverControlStringQCOM)(GLuint driverControl, GLsizei bufSize, GLsizei *length, char *driverControlString) {
+void API_ENTRY(glGetDriverControlStringQCOM)(GLuint driverControl, GLsizei bufSize, GLsizei *length, GLchar *driverControlString) {
     CALL_GL_API(glGetDriverControlStringQCOM, driverControl, bufSize, length, driverControlString);
 }
 void API_ENTRY(glEnableDriverControlQCOM)(GLuint driverControl) {
@@ -103,3 +136,45 @@
 void API_ENTRY(glDisableDriverControlQCOM)(GLuint driverControl) {
     CALL_GL_API(glDisableDriverControlQCOM, driverControl);
 }
+void API_ENTRY(glExtGetTexturesQCOM)(GLuint *textures, GLint maxTextures, GLint *numTextures) {
+    CALL_GL_API(glExtGetTexturesQCOM, textures, maxTextures, numTextures);
+}
+void API_ENTRY(glExtGetBuffersQCOM)(GLuint *buffers, GLint maxBuffers, GLint *numBuffers) {
+    CALL_GL_API(glExtGetBuffersQCOM, buffers, maxBuffers, numBuffers);
+}
+void API_ENTRY(glExtGetRenderbuffersQCOM)(GLuint *renderbuffers, GLint maxRenderbuffers, GLint *numRenderbuffers) {
+    CALL_GL_API(glExtGetRenderbuffersQCOM, renderbuffers, maxRenderbuffers, numRenderbuffers);
+}
+void API_ENTRY(glExtGetFramebuffersQCOM)(GLuint *framebuffers, GLint maxFramebuffers, GLint *numFramebuffers) {
+    CALL_GL_API(glExtGetFramebuffersQCOM, framebuffers, maxFramebuffers, numFramebuffers);
+}
+void API_ENTRY(glExtGetTexLevelParameterivQCOM)(GLuint texture, GLenum face, GLint level, GLenum pname, GLint *params) {
+    CALL_GL_API(glExtGetTexLevelParameterivQCOM, texture, face, level, pname, params);
+}
+void API_ENTRY(glExtTexObjectStateOverrideiQCOM)(GLenum target, GLenum pname, GLint param) {
+    CALL_GL_API(glExtTexObjectStateOverrideiQCOM, target, pname, param);
+}
+void API_ENTRY(glExtGetTexSubImageQCOM)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, GLvoid *texels) {
+    CALL_GL_API(glExtGetTexSubImageQCOM, target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, texels);
+}
+void API_ENTRY(glExtGetBufferPointervQCOM)(GLenum target, GLvoid **params) {
+    CALL_GL_API(glExtGetBufferPointervQCOM, target, params);
+}
+void API_ENTRY(glExtGetShadersQCOM)(GLuint *shaders, GLint maxShaders, GLint *numShaders) {
+    CALL_GL_API(glExtGetShadersQCOM, shaders, maxShaders, numShaders);
+}
+void API_ENTRY(glExtGetProgramsQCOM)(GLuint *programs, GLint maxPrograms, GLint *numPrograms) {
+    CALL_GL_API(glExtGetProgramsQCOM, programs, maxPrograms, numPrograms);
+}
+GLboolean API_ENTRY(glExtIsProgramBinaryQCOM)(GLuint program) {
+    CALL_GL_API_RETURN(glExtIsProgramBinaryQCOM, program);
+}
+void API_ENTRY(glExtGetProgramBinarySourceQCOM)(GLuint program, GLenum shadertype, GLchar *source, GLint *length) {
+    CALL_GL_API(glExtGetProgramBinarySourceQCOM, program, shadertype, source, length);
+}
+void API_ENTRY(glStartTilingQCOM)(GLuint x, GLuint y, GLuint width, GLuint height, GLbitfield preserveMask) {
+    CALL_GL_API(glStartTilingQCOM, x, y, width, height, preserveMask);
+}
+void API_ENTRY(glEndTilingQCOM)(GLbitfield preserveMask) {
+    CALL_GL_API(glEndTilingQCOM, preserveMask);
+}
diff --git a/opengl/libs/GLES_CM/gl_api.in b/opengl/libs/GLES_CM/gl_api.in
index 5437d47..7f20c4f 100644
--- a/opengl/libs/GLES_CM/gl_api.in
+++ b/opengl/libs/GLES_CM/gl_api.in
@@ -259,7 +259,7 @@
 void API_ENTRY(glGetMaterialxv)(GLenum face, GLenum pname, GLfixed *params) {
     CALL_GL_API(glGetMaterialxv, face, pname, params);
 }
-void API_ENTRY(glGetPointerv)(GLenum pname, void **params) {
+void API_ENTRY(glGetPointerv)(GLenum pname, GLvoid **params) {
     CALL_GL_API(glGetPointerv, pname, params);
 }
 const GLubyte * API_ENTRY(glGetString)(GLenum name) {
diff --git a/opengl/libs/GLES_CM/glext_api.in b/opengl/libs/GLES_CM/glext_api.in
index 2c8648e..5393fa6 100644
--- a/opengl/libs/GLES_CM/glext_api.in
+++ b/opengl/libs/GLES_CM/glext_api.in
@@ -205,7 +205,7 @@
 GLboolean API_ENTRY(glUnmapBufferOES)(GLenum target) {
     CALL_GL_API_RETURN(glUnmapBufferOES, target);
 }
-void API_ENTRY(glGetBufferPointervOES)(GLenum target, GLenum pname, void** params) {
+void API_ENTRY(glGetBufferPointervOES)(GLenum target, GLenum pname, GLvoid ** params) {
     CALL_GL_API(glGetBufferPointervOES, target, pname, params);
 }
 void API_ENTRY(glCurrentPaletteMatrixOES)(GLuint matrixpaletteindex) {
@@ -268,3 +268,111 @@
 void API_ENTRY(glGetTexGenxvOES)(GLenum coord, GLenum pname, GLfixed *params) {
     CALL_GL_API(glGetTexGenxvOES, coord, pname, params);
 }
+void API_ENTRY(glBindVertexArrayOES)(GLuint array) {
+    CALL_GL_API(glBindVertexArrayOES, array);
+}
+void API_ENTRY(glDeleteVertexArraysOES)(GLsizei n, const GLuint *arrays) {
+    CALL_GL_API(glDeleteVertexArraysOES, n, arrays);
+}
+void API_ENTRY(glGenVertexArraysOES)(GLsizei n, GLuint *arrays) {
+    CALL_GL_API(glGenVertexArraysOES, n, arrays);
+}
+GLboolean API_ENTRY(glIsVertexArrayOES)(GLuint array) {
+    CALL_GL_API_RETURN(glIsVertexArrayOES, array);
+}
+void API_ENTRY(glDiscardFramebufferEXT)(GLenum target, GLsizei numAttachments, const GLenum *attachments) {
+    CALL_GL_API(glDiscardFramebufferEXT, target, numAttachments, attachments);
+}
+void API_ENTRY(glMultiDrawArraysEXT)(GLenum mode, GLint *first, GLsizei *count, GLsizei primcount) {
+    CALL_GL_API(glMultiDrawArraysEXT, mode, first, count, primcount);
+}
+void API_ENTRY(glMultiDrawElementsEXT)(GLenum mode, const GLsizei *count, GLenum type, const GLvoid* *indices, GLsizei primcount) {
+    CALL_GL_API(glMultiDrawElementsEXT, mode, count, type, indices, primcount);
+}
+void API_ENTRY(glClipPlanefIMG)(GLenum p, const GLfloat *eqn) {
+    CALL_GL_API(glClipPlanefIMG, p, eqn);
+}
+void API_ENTRY(glClipPlanexIMG)(GLenum p, const GLfixed *eqn) {
+    CALL_GL_API(glClipPlanexIMG, p, eqn);
+}
+void API_ENTRY(glRenderbufferStorageMultisampleIMG)(GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height) {
+    CALL_GL_API(glRenderbufferStorageMultisampleIMG, target, samples, internalformat, width, height);
+}
+void API_ENTRY(glFramebufferTexture2DMultisampleIMG)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLsizei samples) {
+    CALL_GL_API(glFramebufferTexture2DMultisampleIMG, target, attachment, textarget, texture, level, samples);
+}
+void API_ENTRY(glDeleteFencesNV)(GLsizei n, const GLuint *fences) {
+    CALL_GL_API(glDeleteFencesNV, n, fences);
+}
+void API_ENTRY(glGenFencesNV)(GLsizei n, GLuint *fences) {
+    CALL_GL_API(glGenFencesNV, n, fences);
+}
+GLboolean API_ENTRY(glIsFenceNV)(GLuint fence) {
+    CALL_GL_API_RETURN(glIsFenceNV, fence);
+}
+GLboolean API_ENTRY(glTestFenceNV)(GLuint fence) {
+    CALL_GL_API_RETURN(glTestFenceNV, fence);
+}
+void API_ENTRY(glGetFenceivNV)(GLuint fence, GLenum pname, GLint *params) {
+    CALL_GL_API(glGetFenceivNV, fence, pname, params);
+}
+void API_ENTRY(glFinishFenceNV)(GLuint fence) {
+    CALL_GL_API(glFinishFenceNV, fence);
+}
+void API_ENTRY(glSetFenceNV)(GLuint fence, GLenum condition) {
+    CALL_GL_API(glSetFenceNV, fence, condition);
+}
+void API_ENTRY(glGetDriverControlsQCOM)(GLint *num, GLsizei size, GLuint *driverControls) {
+    CALL_GL_API(glGetDriverControlsQCOM, num, size, driverControls);
+}
+void API_ENTRY(glGetDriverControlStringQCOM)(GLuint driverControl, GLsizei bufSize, GLsizei *length, GLchar *driverControlString) {
+    CALL_GL_API(glGetDriverControlStringQCOM, driverControl, bufSize, length, driverControlString);
+}
+void API_ENTRY(glEnableDriverControlQCOM)(GLuint driverControl) {
+    CALL_GL_API(glEnableDriverControlQCOM, driverControl);
+}
+void API_ENTRY(glDisableDriverControlQCOM)(GLuint driverControl) {
+    CALL_GL_API(glDisableDriverControlQCOM, driverControl);
+}
+void API_ENTRY(glExtGetTexturesQCOM)(GLuint *textures, GLint maxTextures, GLint *numTextures) {
+    CALL_GL_API(glExtGetTexturesQCOM, textures, maxTextures, numTextures);
+}
+void API_ENTRY(glExtGetBuffersQCOM)(GLuint *buffers, GLint maxBuffers, GLint *numBuffers) {
+    CALL_GL_API(glExtGetBuffersQCOM, buffers, maxBuffers, numBuffers);
+}
+void API_ENTRY(glExtGetRenderbuffersQCOM)(GLuint *renderbuffers, GLint maxRenderbuffers, GLint *numRenderbuffers) {
+    CALL_GL_API(glExtGetRenderbuffersQCOM, renderbuffers, maxRenderbuffers, numRenderbuffers);
+}
+void API_ENTRY(glExtGetFramebuffersQCOM)(GLuint *framebuffers, GLint maxFramebuffers, GLint *numFramebuffers) {
+    CALL_GL_API(glExtGetFramebuffersQCOM, framebuffers, maxFramebuffers, numFramebuffers);
+}
+void API_ENTRY(glExtGetTexLevelParameterivQCOM)(GLuint texture, GLenum face, GLint level, GLenum pname, GLint *params) {
+    CALL_GL_API(glExtGetTexLevelParameterivQCOM, texture, face, level, pname, params);
+}
+void API_ENTRY(glExtTexObjectStateOverrideiQCOM)(GLenum target, GLenum pname, GLint param) {
+    CALL_GL_API(glExtTexObjectStateOverrideiQCOM, target, pname, param);
+}
+void API_ENTRY(glExtGetTexSubImageQCOM)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, GLvoid *texels) {
+    CALL_GL_API(glExtGetTexSubImageQCOM, target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, texels);
+}
+void API_ENTRY(glExtGetBufferPointervQCOM)(GLenum target, GLvoid **params) {
+    CALL_GL_API(glExtGetBufferPointervQCOM, target, params);
+}
+void API_ENTRY(glExtGetShadersQCOM)(GLuint *shaders, GLint maxShaders, GLint *numShaders) {
+    CALL_GL_API(glExtGetShadersQCOM, shaders, maxShaders, numShaders);
+}
+void API_ENTRY(glExtGetProgramsQCOM)(GLuint *programs, GLint maxPrograms, GLint *numPrograms) {
+    CALL_GL_API(glExtGetProgramsQCOM, programs, maxPrograms, numPrograms);
+}
+GLboolean API_ENTRY(glExtIsProgramBinaryQCOM)(GLuint program) {
+    CALL_GL_API_RETURN(glExtIsProgramBinaryQCOM, program);
+}
+void API_ENTRY(glExtGetProgramBinarySourceQCOM)(GLuint program, GLenum shadertype, GLchar *source, GLint *length) {
+    CALL_GL_API(glExtGetProgramBinarySourceQCOM, program, shadertype, source, length);
+}
+void API_ENTRY(glStartTilingQCOM)(GLuint x, GLuint y, GLuint width, GLuint height, GLbitfield preserveMask) {
+    CALL_GL_API(glStartTilingQCOM, x, y, width, height, preserveMask);
+}
+void API_ENTRY(glEndTilingQCOM)(GLbitfield preserveMask) {
+    CALL_GL_API(glEndTilingQCOM, preserveMask);
+}
diff --git a/opengl/libs/egl_impl.h b/opengl/libs/egl_impl.h
index 1fba209..c8f529a 100644
--- a/opengl/libs/egl_impl.h
+++ b/opengl/libs/egl_impl.h
@@ -31,6 +31,7 @@
 
 struct egl_connection_t
 {
+    inline egl_connection_t() : dso(0) { }
     void *              dso;
     gl_hooks_t *        hooks[2];
     EGLint              major;
diff --git a/opengl/libs/entries.in b/opengl/libs/entries.in
index bbe3e23..61acb5f 100644
--- a/opengl/libs/entries.in
+++ b/opengl/libs/entries.in
@@ -4,13 +4,14 @@
 GL_ENTRY(void, glAlphaFuncxOES, GLenum func, GLclampx ref)
 GL_ENTRY(void, glAttachShader, GLuint program, GLuint shader)
 GL_ENTRY(void, glBeginPerfMonitorAMD, GLuint monitor)
-GL_ENTRY(void, glBindAttribLocation, GLuint program, GLuint index, const char* name)
+GL_ENTRY(void, glBindAttribLocation, GLuint program, GLuint index, const GLchar* name)
 GL_ENTRY(void, glBindBuffer, GLenum target, GLuint buffer)
 GL_ENTRY(void, glBindFramebuffer, GLenum target, GLuint framebuffer)
 GL_ENTRY(void, glBindFramebufferOES, GLenum target, GLuint framebuffer)
 GL_ENTRY(void, glBindRenderbuffer, GLenum target, GLuint renderbuffer)
 GL_ENTRY(void, glBindRenderbufferOES, GLenum target, GLuint renderbuffer)
 GL_ENTRY(void, glBindTexture, GLenum target, GLuint texture)
+GL_ENTRY(void, glBindVertexArrayOES, GLuint array)
 GL_ENTRY(void, glBlendColor, GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha)
 GL_ENTRY(void, glBlendEquation,  GLenum mode )
 GL_ENTRY(void, glBlendEquationOES, GLenum mode)
@@ -34,8 +35,10 @@
 GL_ENTRY(void, glClearStencil, GLint s)
 GL_ENTRY(void, glClientActiveTexture, GLenum texture)
 GL_ENTRY(void, glClipPlanef, GLenum plane, const GLfloat *equation)
+GL_ENTRY(void, glClipPlanefIMG, GLenum p, const GLfloat *eqn)
 GL_ENTRY(void, glClipPlanefOES, GLenum plane, const GLfloat *equation)
 GL_ENTRY(void, glClipPlanex, GLenum plane, const GLfixed *equation)
+GL_ENTRY(void, glClipPlanexIMG, GLenum p, const GLfixed *eqn)
 GL_ENTRY(void, glClipPlanexOES, GLenum plane, const GLfixed *equation)
 GL_ENTRY(void, glColor4f, GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha)
 GL_ENTRY(void, glColor4ub, GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha)
@@ -45,12 +48,14 @@
 GL_ENTRY(void, glColorPointer, GLint size, GLenum type, GLsizei stride, const GLvoid *pointer)
 GL_ENTRY(void, glCompileShader, GLuint shader)
 GL_ENTRY(void, glCompressedTexImage2D, GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const GLvoid *data)
-GL_ENTRY(void, glCompressedTexImage3DOES, GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const void* data)
+GL_ENTRY(void, glCompressedTexImage3DOES, GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const GLvoid* data)
 GL_ENTRY(void, glCompressedTexSubImage2D, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const GLvoid *data)
-GL_ENTRY(void, glCompressedTexSubImage3DOES, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const void* data)
+GL_ENTRY(void, glCompressedTexSubImage3DOES, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const GLvoid* data)
 GL_ENTRY(void, glCopyTexImage2D, GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border)
 GL_ENTRY(void, glCopyTexSubImage2D, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height)
 GL_ENTRY(void, glCopyTexSubImage3DOES, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height)
+GL_ENTRY(void, glCoverageMaskNV, GLboolean mask)
+GL_ENTRY(void, glCoverageOperationNV, GLenum operation)
 GL_ENTRY(GLuint, glCreateProgram, void)
 GL_ENTRY(GLuint, glCreateShader, GLenum type)
 GL_ENTRY(void, glCullFace, GLenum mode)
@@ -65,6 +70,7 @@
 GL_ENTRY(void, glDeleteRenderbuffersOES, GLsizei n, const GLuint* renderbuffers)
 GL_ENTRY(void, glDeleteShader, GLuint shader)
 GL_ENTRY(void, glDeleteTextures, GLsizei n, const GLuint *textures)
+GL_ENTRY(void, glDeleteVertexArraysOES, GLsizei n, const GLuint *arrays)
 GL_ENTRY(void, glDepthFunc, GLenum func)
 GL_ENTRY(void, glDepthMask, GLboolean flag)
 GL_ENTRY(void, glDepthRangef, GLclampf zNear, GLclampf zFar)
@@ -76,6 +82,7 @@
 GL_ENTRY(void, glDisableClientState, GLenum array)
 GL_ENTRY(void, glDisableDriverControlQCOM, GLuint driverControl)
 GL_ENTRY(void, glDisableVertexAttribArray, GLuint index)
+GL_ENTRY(void, glDiscardFramebufferEXT, GLenum target, GLsizei numAttachments, const GLenum *attachments)
 GL_ENTRY(void, glDrawArrays, GLenum mode, GLint first, GLsizei count)
 GL_ENTRY(void, glDrawElements, GLenum mode, GLsizei count, GLenum type, const GLvoid *indices)
 GL_ENTRY(void, glDrawTexfOES, GLfloat x, GLfloat y, GLfloat z, GLfloat width, GLfloat height)
@@ -93,6 +100,19 @@
 GL_ENTRY(void, glEnableDriverControlQCOM, GLuint driverControl)
 GL_ENTRY(void, glEnableVertexAttribArray, GLuint index)
 GL_ENTRY(void, glEndPerfMonitorAMD, GLuint monitor)
+GL_ENTRY(void, glEndTilingQCOM, GLbitfield preserveMask)
+GL_ENTRY(void, glExtGetBufferPointervQCOM, GLenum target, GLvoid **params)
+GL_ENTRY(void, glExtGetBuffersQCOM, GLuint *buffers, GLint maxBuffers, GLint *numBuffers)
+GL_ENTRY(void, glExtGetFramebuffersQCOM, GLuint *framebuffers, GLint maxFramebuffers, GLint *numFramebuffers)
+GL_ENTRY(void, glExtGetProgramBinarySourceQCOM, GLuint program, GLenum shadertype, GLchar *source, GLint *length)
+GL_ENTRY(void, glExtGetProgramsQCOM, GLuint *programs, GLint maxPrograms, GLint *numPrograms)
+GL_ENTRY(void, glExtGetRenderbuffersQCOM, GLuint *renderbuffers, GLint maxRenderbuffers, GLint *numRenderbuffers)
+GL_ENTRY(void, glExtGetShadersQCOM, GLuint *shaders, GLint maxShaders, GLint *numShaders)
+GL_ENTRY(void, glExtGetTexLevelParameterivQCOM, GLuint texture, GLenum face, GLint level, GLenum pname, GLint *params)
+GL_ENTRY(void, glExtGetTexSubImageQCOM, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, GLvoid *texels)
+GL_ENTRY(void, glExtGetTexturesQCOM, GLuint *textures, GLint maxTextures, GLint *numTextures)
+GL_ENTRY(GLboolean, glExtIsProgramBinaryQCOM, GLuint program)
+GL_ENTRY(void, glExtTexObjectStateOverrideiQCOM, GLenum target, GLenum pname, GLint param)
 GL_ENTRY(void, glFinish, void)
 GL_ENTRY(void, glFinishFenceNV, GLuint fence)
 GL_ENTRY(void, glFlush, void)
@@ -105,6 +125,7 @@
 GL_ENTRY(void, glFramebufferRenderbuffer, GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer)
 GL_ENTRY(void, glFramebufferRenderbufferOES, GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer)
 GL_ENTRY(void, glFramebufferTexture2D, GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level)
+GL_ENTRY(void, glFramebufferTexture2DMultisampleIMG, GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLsizei samples)
 GL_ENTRY(void, glFramebufferTexture2DOES, GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level)
 GL_ENTRY(void, glFramebufferTexture3DOES, GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset)
 GL_ENTRY(void, glFrontFace, GLenum mode)
@@ -120,20 +141,21 @@
 GL_ENTRY(void, glGenRenderbuffers, GLsizei n, GLuint* renderbuffers)
 GL_ENTRY(void, glGenRenderbuffersOES, GLsizei n, GLuint* renderbuffers)
 GL_ENTRY(void, glGenTextures, GLsizei n, GLuint *textures)
+GL_ENTRY(void, glGenVertexArraysOES, GLsizei n, GLuint *arrays)
 GL_ENTRY(void, glGenerateMipmap, GLenum target)
 GL_ENTRY(void, glGenerateMipmapOES, GLenum target)
-GL_ENTRY(void, glGetActiveAttrib, GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, char* name)
-GL_ENTRY(void, glGetActiveUniform, GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, char* name)
+GL_ENTRY(void, glGetActiveAttrib, GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name)
+GL_ENTRY(void, glGetActiveUniform, GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name)
 GL_ENTRY(void, glGetAttachedShaders, GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders)
-GL_ENTRY(int, glGetAttribLocation, GLuint program, const char* name)
+GL_ENTRY(int, glGetAttribLocation, GLuint program, const GLchar* name)
 GL_ENTRY(void, glGetBooleanv, GLenum pname, GLboolean *params)
 GL_ENTRY(void, glGetBufferParameteriv, GLenum target, GLenum pname, GLint *params)
-GL_ENTRY(void, glGetBufferPointervOES, GLenum target, GLenum pname, void** params)
+GL_ENTRY(void, glGetBufferPointervOES, GLenum target, GLenum pname, GLvoid ** params)
 GL_ENTRY(void, glGetClipPlanef, GLenum pname, GLfloat eqn[4])
 GL_ENTRY(void, glGetClipPlanefOES, GLenum pname, GLfloat eqn[4])
 GL_ENTRY(void, glGetClipPlanex, GLenum pname, GLfixed eqn[4])
 GL_ENTRY(void, glGetClipPlanexOES, GLenum pname, GLfixed eqn[4])
-GL_ENTRY(void, glGetDriverControlStringQCOM, GLuint driverControl, GLsizei bufSize, GLsizei *length, char *driverControlString)
+GL_ENTRY(void, glGetDriverControlStringQCOM, GLuint driverControl, GLsizei bufSize, GLsizei *length, GLchar *driverControlString)
 GL_ENTRY(void, glGetDriverControlsQCOM, GLint *num, GLsizei size, GLuint *driverControls)
 GL_ENTRY(GLenum, glGetError, void)
 GL_ENTRY(void, glGetFenceivNV, GLuint fence, GLenum pname, GLint *params)
@@ -150,20 +172,20 @@
 GL_ENTRY(void, glGetMaterialxv, GLenum face, GLenum pname, GLfixed *params)
 GL_ENTRY(void, glGetMaterialxvOES, GLenum face, GLenum pname, GLfixed *params)
 GL_ENTRY(void, glGetPerfMonitorCounterDataAMD, GLuint monitor, GLenum pname, GLsizei dataSize, GLuint *data, GLint *bytesWritten)
-GL_ENTRY(void, glGetPerfMonitorCounterInfoAMD, GLuint group, GLuint counter, GLenum pname, void *data)
-GL_ENTRY(void, glGetPerfMonitorCounterStringAMD, GLuint group, GLuint counter, GLsizei bufSize, GLsizei *length, char *counterString)
+GL_ENTRY(void, glGetPerfMonitorCounterInfoAMD, GLuint group, GLuint counter, GLenum pname, GLvoid *data)
+GL_ENTRY(void, glGetPerfMonitorCounterStringAMD, GLuint group, GLuint counter, GLsizei bufSize, GLsizei *length, GLchar *counterString)
 GL_ENTRY(void, glGetPerfMonitorCountersAMD, GLuint group, GLint *numCounters, GLint *maxActiveCounters, GLsizei counterSize, GLuint *counters)
-GL_ENTRY(void, glGetPerfMonitorGroupStringAMD, GLuint group, GLsizei bufSize, GLsizei *length, char *groupString)
+GL_ENTRY(void, glGetPerfMonitorGroupStringAMD, GLuint group, GLsizei bufSize, GLsizei *length, GLchar *groupString)
 GL_ENTRY(void, glGetPerfMonitorGroupsAMD, GLint *numGroups, GLsizei groupsSize, GLuint *groups)
-GL_ENTRY(void, glGetPointerv, GLenum pname, void **params)
-GL_ENTRY(void, glGetProgramBinaryOES, GLuint program, GLsizei bufSize, GLsizei *length, GLenum *binaryFormat, void *binary)
-GL_ENTRY(void, glGetProgramInfoLog, GLuint program, GLsizei bufsize, GLsizei* length, char* infolog)
+GL_ENTRY(void, glGetPointerv, GLenum pname, GLvoid **params)
+GL_ENTRY(void, glGetProgramBinaryOES, GLuint program, GLsizei bufSize, GLsizei *length, GLenum *binaryFormat, GLvoid *binary)
+GL_ENTRY(void, glGetProgramInfoLog, GLuint program, GLsizei bufsize, GLsizei* length, GLchar* infolog)
 GL_ENTRY(void, glGetProgramiv, GLuint program, GLenum pname, GLint* params)
 GL_ENTRY(void, glGetRenderbufferParameteriv, GLenum target, GLenum pname, GLint* params)
 GL_ENTRY(void, glGetRenderbufferParameterivOES, GLenum target, GLenum pname, GLint* params)
-GL_ENTRY(void, glGetShaderInfoLog, GLuint shader, GLsizei bufsize, GLsizei* length, char* infolog)
+GL_ENTRY(void, glGetShaderInfoLog, GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* infolog)
 GL_ENTRY(void, glGetShaderPrecisionFormat, GLenum shadertype, GLenum precisiontype, GLint* range, GLint* precision)
-GL_ENTRY(void, glGetShaderSource, GLuint shader, GLsizei bufsize, GLsizei* length, char* source)
+GL_ENTRY(void, glGetShaderSource, GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* source)
 GL_ENTRY(void, glGetShaderiv, GLuint shader, GLenum pname, GLint* params)
 GL_ENTRY(const GLubyte *, glGetString, GLenum name)
 GL_ENTRY(void, glGetTexEnvfv, GLenum env, GLenum pname, GLfloat *params)
@@ -177,10 +199,10 @@
 GL_ENTRY(void, glGetTexParameteriv, GLenum target, GLenum pname, GLint *params)
 GL_ENTRY(void, glGetTexParameterxv, GLenum target, GLenum pname, GLfixed *params)
 GL_ENTRY(void, glGetTexParameterxvOES, GLenum target, GLenum pname, GLfixed *params)
-GL_ENTRY(int, glGetUniformLocation, GLuint program, const char* name)
+GL_ENTRY(int, glGetUniformLocation, GLuint program, const GLchar* name)
 GL_ENTRY(void, glGetUniformfv, GLuint program, GLint location, GLfloat* params)
 GL_ENTRY(void, glGetUniformiv, GLuint program, GLint location, GLint* params)
-GL_ENTRY(void, glGetVertexAttribPointerv, GLuint index, GLenum pname, void** pointer)
+GL_ENTRY(void, glGetVertexAttribPointerv, GLuint index, GLenum pname, GLvoid** pointer)
 GL_ENTRY(void, glGetVertexAttribfv, GLuint index, GLenum pname, GLfloat* params)
 GL_ENTRY(void, glGetVertexAttribiv, GLuint index, GLenum pname, GLint* params)
 GL_ENTRY(void, glHint, GLenum target, GLenum mode)
@@ -194,6 +216,7 @@
 GL_ENTRY(GLboolean, glIsRenderbufferOES, GLuint renderbuffer)
 GL_ENTRY(GLboolean, glIsShader, GLuint shader)
 GL_ENTRY(GLboolean, glIsTexture, GLuint texture)
+GL_ENTRY(GLboolean, glIsVertexArrayOES, GLuint array)
 GL_ENTRY(void, glLightModelf, GLenum pname, GLfloat param)
 GL_ENTRY(void, glLightModelfv, GLenum pname, const GLfloat *params)
 GL_ENTRY(void, glLightModelx, GLenum pname, GLfixed param)
@@ -228,6 +251,8 @@
 GL_ENTRY(void, glMultMatrixf, const GLfloat *m)
 GL_ENTRY(void, glMultMatrixx, const GLfixed *m)
 GL_ENTRY(void, glMultMatrixxOES, const GLfixed *m)
+GL_ENTRY(void, glMultiDrawArraysEXT, GLenum mode, GLint *first, GLsizei *count, GLsizei primcount)
+GL_ENTRY(void, glMultiDrawElementsEXT, GLenum mode, const GLsizei *count, GLenum type, const GLvoid* *indices, GLsizei primcount)
 GL_ENTRY(void, glMultiTexCoord4f, GLenum target, GLfloat s, GLfloat t, GLfloat r, GLfloat q)
 GL_ENTRY(void, glMultiTexCoord4x, GLenum target, GLfixed s, GLfixed t, GLfixed r, GLfixed q)
 GL_ENTRY(void, glMultiTexCoord4xOES, GLenum target, GLfixed s, GLfixed t, GLfixed r, GLfixed q)
@@ -254,12 +279,13 @@
 GL_ENTRY(void, glPolygonOffsetx, GLfixed factor, GLfixed units)
 GL_ENTRY(void, glPolygonOffsetxOES, GLfixed factor, GLfixed units)
 GL_ENTRY(void, glPopMatrix, void)
-GL_ENTRY(void, glProgramBinaryOES, GLuint program, GLenum binaryFormat, const void *binary, GLint length)
+GL_ENTRY(void, glProgramBinaryOES, GLuint program, GLenum binaryFormat, const GLvoid *binary, GLint length)
 GL_ENTRY(void, glPushMatrix, void)
 GL_ENTRY(GLbitfield, glQueryMatrixxOES, GLfixed mantissa[16], GLint exponent[16])
 GL_ENTRY(void, glReadPixels, GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels)
 GL_ENTRY(void, glReleaseShaderCompiler, void)
 GL_ENTRY(void, glRenderbufferStorage, GLenum target, GLenum internalformat, GLsizei width, GLsizei height)
+GL_ENTRY(void, glRenderbufferStorageMultisampleIMG, GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height)
 GL_ENTRY(void, glRenderbufferStorageOES, GLenum target, GLenum internalformat, GLsizei width, GLsizei height)
 GL_ENTRY(void, glRotatef, GLfloat angle, GLfloat x, GLfloat y, GLfloat z)
 GL_ENTRY(void, glRotatex, GLfixed angle, GLfixed x, GLfixed y, GLfixed z)
@@ -274,8 +300,9 @@
 GL_ENTRY(void, glSelectPerfMonitorCountersAMD, GLuint monitor, GLboolean enable, GLuint group, GLint numCounters, GLuint *countersList)
 GL_ENTRY(void, glSetFenceNV, GLuint fence, GLenum condition)
 GL_ENTRY(void, glShadeModel, GLenum mode)
-GL_ENTRY(void, glShaderBinary, GLsizei n, const GLuint* shaders, GLenum binaryformat, const void* binary, GLsizei length)
-GL_ENTRY(void, glShaderSource, GLuint shader, GLsizei count, const char** string, const GLint* length)
+GL_ENTRY(void, glShaderBinary, GLsizei n, const GLuint* shaders, GLenum binaryformat, const GLvoid* binary, GLsizei length)
+GL_ENTRY(void, glShaderSource, GLuint shader, GLsizei count, const GLchar** string, const GLint* length)
+GL_ENTRY(void, glStartTilingQCOM, GLuint x, GLuint y, GLuint width, GLuint height, GLbitfield preserveMask)
 GL_ENTRY(void, glStencilFunc, GLenum func, GLint ref, GLuint mask)
 GL_ENTRY(void, glStencilFuncSeparate, GLenum face, GLenum func, GLint ref, GLuint mask)
 GL_ENTRY(void, glStencilMask, GLuint mask)
@@ -298,8 +325,8 @@
 GL_ENTRY(void, glTexGenivOES, GLenum coord, GLenum pname, const GLint *params)
 GL_ENTRY(void, glTexGenxOES, GLenum coord, GLenum pname, GLfixed param)
 GL_ENTRY(void, glTexGenxvOES, GLenum coord, GLenum pname, const GLfixed *params)
-GL_ENTRY(void, glTexImage2D, GLenum target, GLint level, GLint internalformat,  GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid* pixels)
-GL_ENTRY(void, glTexImage3DOES, GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const void* pixels)
+GL_ENTRY(void, glTexImage2D, GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels)
+GL_ENTRY(void, glTexImage3DOES, GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid* pixels)
 GL_ENTRY(void, glTexParameterf, GLenum target, GLenum pname, GLfloat param)
 GL_ENTRY(void, glTexParameterfv, GLenum target, GLenum pname, const GLfloat *params)
 GL_ENTRY(void, glTexParameteri, GLenum target, GLenum pname, GLint param)
@@ -309,7 +336,7 @@
 GL_ENTRY(void, glTexParameterxv, GLenum target, GLenum pname, const GLfixed *params)
 GL_ENTRY(void, glTexParameterxvOES, GLenum target, GLenum pname, const GLfixed *params)
 GL_ENTRY(void, glTexSubImage2D, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels)
-GL_ENTRY(void, glTexSubImage3DOES, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void* pixels)
+GL_ENTRY(void, glTexSubImage3DOES, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const GLvoid* pixels)
 GL_ENTRY(void, glTranslatef, GLfloat x, GLfloat y, GLfloat z)
 GL_ENTRY(void, glTranslatex, GLfixed x, GLfixed y, GLfixed z)
 GL_ENTRY(void, glTranslatexOES, GLfixed x, GLfixed y, GLfixed z)
@@ -343,7 +370,7 @@
 GL_ENTRY(void, glVertexAttrib3fv, GLuint indx, const GLfloat* values)
 GL_ENTRY(void, glVertexAttrib4f, GLuint indx, GLfloat x, GLfloat y, GLfloat z, GLfloat w)
 GL_ENTRY(void, glVertexAttrib4fv, GLuint indx, const GLfloat* values)
-GL_ENTRY(void, glVertexAttribPointer, GLuint indx, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const void* ptr)
+GL_ENTRY(void, glVertexAttribPointer, GLuint indx, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid* ptr)
 GL_ENTRY(void, glVertexPointer, GLint size, GLenum type, GLsizei stride, const GLvoid *pointer)
 GL_ENTRY(void, glViewport, GLint x, GLint y, GLsizei width, GLsizei height)
 GL_ENTRY(void, glWeightPointerOES, GLint size, GLenum type, GLsizei stride, const GLvoid *pointer)
diff --git a/opengl/tests/gl2_basic/gl2_basic.cpp b/opengl/tests/gl2_basic/gl2_basic.cpp
index 2361db5..f274c7c 100644
--- a/opengl/tests/gl2_basic/gl2_basic.cpp
+++ b/opengl/tests/gl2_basic/gl2_basic.cpp
@@ -195,7 +195,6 @@
     X(EGL_NATIVE_RENDERABLE),
     X(EGL_NATIVE_VISUAL_ID),
     X(EGL_NATIVE_VISUAL_TYPE),
-    X(EGL_PRESERVED_RESOURCES),
     X(EGL_SAMPLES),
     X(EGL_SAMPLE_BUFFERS),
     X(EGL_SURFACE_TYPE),
diff --git a/opengl/tests/gl_basic/gl_basic.cpp b/opengl/tests/gl_basic/gl_basic.cpp
index feb964a..0cc8398 100644
--- a/opengl/tests/gl_basic/gl_basic.cpp
+++ b/opengl/tests/gl_basic/gl_basic.cpp
@@ -114,7 +114,6 @@
     X(EGL_NATIVE_RENDERABLE),
     X(EGL_NATIVE_VISUAL_ID),
     X(EGL_NATIVE_VISUAL_TYPE),
-    X(EGL_PRESERVED_RESOURCES),
     X(EGL_SAMPLES),
     X(EGL_SAMPLE_BUFFERS),
     X(EGL_SURFACE_TYPE),
diff --git a/opengl/tests/gl_jni/jni/gl_code.cpp b/opengl/tests/gl_jni/jni/gl_code.cpp
index 33b25ab..f031c79 100644
--- a/opengl/tests/gl_jni/jni/gl_code.cpp
+++ b/opengl/tests/gl_jni/jni/gl_code.cpp
@@ -180,4 +180,5 @@
 JNIEXPORT void JNICALL Java_com_android_gljni_GLJNILib_changeBackground(JNIEnv * env, jobject obj)
 {
     background = 1.0f - background;
-}
\ No newline at end of file
+}
+
diff --git a/opengl/tools/glgen/specs/gles11/GLES20.spec b/opengl/tools/glgen/specs/gles11/GLES20.spec
index 61094d1..ee88f59 100644
--- a/opengl/tools/glgen/specs/gles11/GLES20.spec
+++ b/opengl/tools/glgen/specs/gles11/GLES20.spec
@@ -39,6 +39,7 @@
 void glDisable ( GLenum cap )
 void glDisableVertexAttribArray ( GLuint index )
 void glDrawArrays ( GLenum mode, GLint first, GLsizei count )
+void glDrawElements ( GLenum mode, GLsizei count, GLenum type, GLint offset )
 void glDrawElements ( GLenum mode, GLsizei count, GLenum type, const GLvoid *indices )
 void glEnable ( GLenum cap )
 void glEnableVertexAttribArray ( GLuint index )
@@ -138,5 +139,6 @@
 void glVertexAttrib3fv ( GLuint indx, const GLfloat *values )
 void glVertexAttrib4f ( GLuint indx, GLfloat x, GLfloat y, GLfloat z, GLfloat w )
 void glVertexAttrib4fv ( GLuint indx, const GLfloat *values )
+void glVertexAttribPointer ( GLuint indx, GLint size, GLenum type, GLboolean normalized, GLsizei stride, GLint offset )
 void glVertexAttribPointer ( GLuint indx, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *ptr )
-void glViewport ( GLint x, GLint y, GLsizei width, GLsizei height )
\ No newline at end of file
+void glViewport ( GLint x, GLint y, GLsizei width, GLsizei height )
diff --git a/opengl/tools/glgen/src/JniCodeEmitter.java b/opengl/tools/glgen/src/JniCodeEmitter.java
index ebaca90..9d8c5a0 100644
--- a/opengl/tools/glgen/src/JniCodeEmitter.java
+++ b/opengl/tools/glgen/src/JniCodeEmitter.java
@@ -695,7 +695,7 @@
         boolean isPointerFunc = isPointerFunc(jfunc);
         boolean isVBOPointerFunc = (outName.endsWith("Pointer") ||
                 outName.endsWith("PointerOES") ||
-            outName.endsWith("DrawElements")) &&
+            outName.endsWith("DrawElements") || outName.endsWith("VertexAttribPointer")) &&
             !jfunc.getCFunc().hasPointerArg();
         if (isPointerFunc) {
             outName += "Bounds";
diff --git a/libs/surfaceflinger/Android.mk b/services/surfaceflinger/Android.mk
similarity index 89%
rename from libs/surfaceflinger/Android.mk
rename to services/surfaceflinger/Android.mk
index 86eb78d..a14bfb5 100644
--- a/libs/surfaceflinger/Android.mk
+++ b/services/surfaceflinger/Android.mk
@@ -6,6 +6,7 @@
     DisplayHardware/DisplayHardware.cpp \
     DisplayHardware/DisplayHardwareBase.cpp \
     BlurFilter.cpp.arm \
+    GLExtensions.cpp \
     Layer.cpp \
     LayerBase.cpp \
     LayerBuffer.cpp \
@@ -13,14 +14,14 @@
     LayerDim.cpp \
     MessageQueue.cpp \
     SurfaceFlinger.cpp \
-    Tokenizer.cpp \
+    TextureManager.cpp \
     Transform.cpp
 
 LOCAL_CFLAGS:= -DLOG_TAG=\"SurfaceFlinger\"
 LOCAL_CFLAGS += -DGL_GLEXT_PROTOTYPES -DEGL_EGLEXT_PROTOTYPES
 
-ifeq ($(TARGET_BOARD_PLATFORM), msm7k)
-	LOCAL_CFLAGS += -DDIM_WITH_TEXTURE
+ifeq ($(TARGET_BOARD_PLATFORM), omap3)
+	LOCAL_CFLAGS += -DNO_RGBX_8888
 endif
 
 # need "-lrt" on Linux simulator to pick up clock_gettime
diff --git a/libs/surfaceflinger/Barrier.h b/services/surfaceflinger/Barrier.h
similarity index 87%
rename from libs/surfaceflinger/Barrier.h
rename to services/surfaceflinger/Barrier.h
index e2bcf6a..6f8507e 100644
--- a/libs/surfaceflinger/Barrier.h
+++ b/services/surfaceflinger/Barrier.h
@@ -29,10 +29,6 @@
     inline Barrier() : state(CLOSED) { }
     inline ~Barrier() { }
     void open() {
-        // gcc memory barrier, this makes sure all memory writes
-        // have been issued by gcc. On an SMP system we'd need a real
-        // h/w barrier.
-        asm volatile ("":::"memory");
         Mutex::Autolock _l(lock);
         state = OPENED;
         cv.broadcast();
diff --git a/libs/surfaceflinger/BlurFilter.cpp b/services/surfaceflinger/BlurFilter.cpp
similarity index 100%
rename from libs/surfaceflinger/BlurFilter.cpp
rename to services/surfaceflinger/BlurFilter.cpp
diff --git a/libs/surfaceflinger/BlurFilter.h b/services/surfaceflinger/BlurFilter.h
similarity index 100%
rename from libs/surfaceflinger/BlurFilter.h
rename to services/surfaceflinger/BlurFilter.h
diff --git a/libs/surfaceflinger/DisplayHardware/DisplayHardware.cpp b/services/surfaceflinger/DisplayHardware/DisplayHardware.cpp
similarity index 82%
rename from libs/surfaceflinger/DisplayHardware/DisplayHardware.cpp
rename to services/surfaceflinger/DisplayHardware/DisplayHardware.cpp
index ea68352..2eac0a8 100644
--- a/libs/surfaceflinger/DisplayHardware/DisplayHardware.cpp
+++ b/services/surfaceflinger/DisplayHardware/DisplayHardware.cpp
@@ -40,6 +40,8 @@
 #include <hardware/overlay.h>
 #include <hardware/gralloc.h>
 
+#include "GLExtensions.h"
+
 using namespace android;
 
 
@@ -73,7 +75,8 @@
 DisplayHardware::DisplayHardware(
         const sp<SurfaceFlinger>& flinger,
         uint32_t dpy)
-    : DisplayHardwareBase(flinger, dpy)
+    : DisplayHardwareBase(flinger, dpy),
+      mFlags(0)
 {
     init(dpy);
 }
@@ -97,6 +100,9 @@
 {
     mNativeWindow = new FramebufferNativeWindow();
     framebuffer_device_t const * fbDev = mNativeWindow->getDevice();
+    mDpiX = mNativeWindow->xdpi;
+    mDpiY = mNativeWindow->ydpi;
+    mRefreshRate = fbDev->fps;
 
     mOverlayEngine = NULL;
     hw_module_t const* module;
@@ -104,6 +110,11 @@
         overlay_control_open(module, &mOverlayEngine);
     }
 
+    EGLint w, h, dummy;
+    EGLint numConfigs=0;
+    EGLSurface surface;
+    EGLContext context;
+
     // initialize EGL
     EGLint attribs[] = {
             EGL_SURFACE_TYPE,   EGL_WINDOW_BIT,
@@ -121,12 +132,6 @@
         }
     }
 
-    EGLint w, h, dummy;
-    EGLint numConfigs=0;
-    EGLSurface surface;
-    EGLContext context;
-    mFlags = CACHED_BUFFERS;
-
     // TODO: all the extensions below should be queried through
     // eglGetProcAddress().
 
@@ -145,22 +150,6 @@
     eglGetConfigAttrib(display, config, EGL_BLUE_SIZE,  &b);
     eglGetConfigAttrib(display, config, EGL_ALPHA_SIZE, &a);
 
-    /*
-     * Gather EGL extensions
-     */
-
-    const char* const egl_extensions = eglQueryString(
-            display, EGL_EXTENSIONS);
-    
-    LOGI("EGL informations:");
-    LOGI("# of configs : %d", numConfigs);
-    LOGI("vendor    : %s", eglQueryString(display, EGL_VENDOR));
-    LOGI("version   : %s", eglQueryString(display, EGL_VERSION));
-    LOGI("extensions: %s", egl_extensions);
-    LOGI("Client API: %s", eglQueryString(display, EGL_CLIENT_APIS)?:"Not Supported");
-    LOGI("EGLSurface: %d-%d-%d-%d, config=%p", r, g, b, a, config);
-    
-
     if (mNativeWindow->isUpdateOnDemand()) {
         mFlags |= PARTIAL_UPDATES;
     }
@@ -175,6 +164,8 @@
      */
 
     surface = eglCreateWindowSurface(display, config, mNativeWindow.get(), NULL);
+    eglQuerySurface(display, surface, EGL_WIDTH,  &mWidth);
+    eglQuerySurface(display, surface, EGL_HEIGHT, &mHeight);
 
     if (mFlags & PARTIAL_UPDATES) {
         // if we have partial updates, we definitely don't need to
@@ -188,31 +179,6 @@
             mFlags |= BUFFER_PRESERVED;
         }
     }
-
-    eglQuerySurface(display, surface, EGL_WIDTH,  &mWidth);
-    eglQuerySurface(display, surface, EGL_HEIGHT, &mHeight);
-
-#ifdef EGL_ANDROID_swap_rectangle    
-    if (strstr(egl_extensions, "EGL_ANDROID_swap_rectangle")) {
-        if (eglSetSwapRectangleANDROID(display, surface,
-                0, 0, mWidth, mHeight) == EGL_TRUE) {
-            // This could fail if this extension is not supported by this
-            // specific surface (of config)
-            mFlags |= SWAP_RECTANGLE;
-        }
-    }
-    // when we have the choice between PARTIAL_UPDATES and SWAP_RECTANGLE
-    // choose PARTIAL_UPDATES, which should be more efficient
-    if (mFlags & PARTIAL_UPDATES)
-        mFlags &= ~SWAP_RECTANGLE;
-#endif
-    
-
-    LOGI("flags     : %08x", mFlags);
-    
-    mDpiX = mNativeWindow->xdpi;
-    mDpiY = mNativeWindow->ydpi;
-    mRefreshRate = fbDev->fps; 
     
     /* Read density from build-specific ro.sf.lcd_density property
      * except if it is overridden by qemu.sf.lcd_density.
@@ -235,61 +201,67 @@
     
     context = eglCreateContext(display, config, NULL, NULL);
     
-    /*
-     * Gather OpenGL ES extensions
-     */
-
-    eglMakeCurrent(display, surface, surface, context);
-    const char* const  gl_extensions = (const char*)glGetString(GL_EXTENSIONS);
-    const char* const  gl_renderer = (const char*)glGetString(GL_RENDERER);
-    LOGI("OpenGL informations:");
-    LOGI("vendor    : %s", glGetString(GL_VENDOR));
-    LOGI("renderer  : %s", gl_renderer);
-    LOGI("version   : %s", glGetString(GL_VERSION));
-    LOGI("extensions: %s", gl_extensions);
-
-    glGetIntegerv(GL_MAX_TEXTURE_SIZE, &mMaxTextureSize);
-    glGetIntegerv(GL_MAX_VIEWPORT_DIMS, &mMaxViewportDims);
-    LOGI("GL_MAX_TEXTURE_SIZE = %d", mMaxTextureSize);
-    LOGI("GL_MAX_VIEWPORT_DIMS = %d", mMaxViewportDims);
-
-#if 0
-    // for drivers that don't have proper support for flushing cached buffers
-    // on gralloc unlock, uncomment this block and test for the specific
-    // renderer substring
-    if (strstr(gl_renderer, "<some vendor string>")) {
-        LOGD("Assuming uncached graphics buffers.");
-        mFlags &= ~CACHED_BUFFERS;
-    }
-#endif
-
-    if (strstr(gl_extensions, "GL_ARB_texture_non_power_of_two")) {
-        mFlags |= NPOT_EXTENSION;
-    }
-    if (strstr(gl_extensions, "GL_OES_draw_texture")) {
-        mFlags |= DRAW_TEXTURE_EXTENSION;
-    }
-#ifdef EGL_ANDROID_image_native_buffer
-    if (strstr( gl_extensions, "GL_OES_EGL_image") &&
-        (strstr(egl_extensions, "EGL_KHR_image_base") || 
-                strstr(egl_extensions, "EGL_KHR_image")) &&
-        strstr(egl_extensions, "EGL_ANDROID_image_native_buffer")) {
-        mFlags |= DIRECT_TEXTURE;
-    }
-#else
-#warning "EGL_ANDROID_image_native_buffer not supported"
-#endif
-
-
-    // Unbind the context from this thread
-    eglMakeCurrent(display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
-
     mDisplay = display;
     mConfig  = config;
     mSurface = surface;
     mContext = context;
     mFormat  = fbDev->format;
     mPageFlipCount = 0;
+
+    /*
+     * Gather OpenGL ES extensions
+     */
+
+    eglMakeCurrent(display, surface, surface, context);
+
+    GLExtensions& extensions(GLExtensions::getInstance());
+    extensions.initWithGLStrings(
+            glGetString(GL_VENDOR),
+            glGetString(GL_RENDERER),
+            glGetString(GL_VERSION),
+            glGetString(GL_EXTENSIONS),
+            eglQueryString(display, EGL_VENDOR),
+            eglQueryString(display, EGL_VERSION),
+            eglQueryString(display, EGL_EXTENSIONS));
+
+    glGetIntegerv(GL_MAX_TEXTURE_SIZE, &mMaxTextureSize);
+    glGetIntegerv(GL_MAX_VIEWPORT_DIMS, &mMaxViewportDims);
+
+
+#ifdef EGL_ANDROID_swap_rectangle
+    if (extensions.hasExtension("EGL_ANDROID_swap_rectangle")) {
+        if (eglSetSwapRectangleANDROID(display, surface,
+                0, 0, mWidth, mHeight) == EGL_TRUE) {
+            // This could fail if this extension is not supported by this
+            // specific surface (of config)
+            mFlags |= SWAP_RECTANGLE;
+        }
+    }
+    // when we have the choice between PARTIAL_UPDATES and SWAP_RECTANGLE
+    // choose PARTIAL_UPDATES, which should be more efficient
+    if (mFlags & PARTIAL_UPDATES)
+        mFlags &= ~SWAP_RECTANGLE;
+#endif
+
+    LOGI("EGL informations:");
+    LOGI("# of configs : %d", numConfigs);
+    LOGI("vendor    : %s", extensions.getEglVendor());
+    LOGI("version   : %s", extensions.getEglVersion());
+    LOGI("extensions: %s", extensions.getEglExtension());
+    LOGI("Client API: %s", eglQueryString(display, EGL_CLIENT_APIS)?:"Not Supported");
+    LOGI("EGLSurface: %d-%d-%d-%d, config=%p", r, g, b, a, config);
+
+    LOGI("OpenGL informations:");
+    LOGI("vendor    : %s", extensions.getVendor());
+    LOGI("renderer  : %s", extensions.getRenderer());
+    LOGI("version   : %s", extensions.getVersion());
+    LOGI("extensions: %s", extensions.getExtension());
+    LOGI("GL_MAX_TEXTURE_SIZE = %d", mMaxTextureSize);
+    LOGI("GL_MAX_VIEWPORT_DIMS = %d", mMaxViewportDims);
+    LOGI("flags = %08x", mFlags);
+
+    // Unbind the context from this thread
+    eglMakeCurrent(display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
 }
 
 /*
diff --git a/libs/surfaceflinger/DisplayHardware/DisplayHardware.h b/services/surfaceflinger/DisplayHardware/DisplayHardware.h
similarity index 86%
rename from libs/surfaceflinger/DisplayHardware/DisplayHardware.h
rename to services/surfaceflinger/DisplayHardware/DisplayHardware.h
index df046af..66bf521 100644
--- a/libs/surfaceflinger/DisplayHardware/DisplayHardware.h
+++ b/services/surfaceflinger/DisplayHardware/DisplayHardware.h
@@ -29,6 +29,8 @@
 
 #include <pixelflinger/pixelflinger.h>
 
+#include "GLExtensions.h"
+
 #include "DisplayHardware/DisplayHardwareBase.h"
 
 struct overlay_control_device_t;
@@ -43,15 +45,11 @@
 {
 public:
     enum {
-        DIRECT_TEXTURE          = 0x00000002,
-        COPY_BITS_EXTENSION     = 0x00000008,
-        NPOT_EXTENSION          = 0x00000100,
-        DRAW_TEXTURE_EXTENSION  = 0x00000200,
-        BUFFER_PRESERVED        = 0x00010000,
-        PARTIAL_UPDATES         = 0x00020000,   // video driver feature
-        SLOW_CONFIG             = 0x00040000,   // software
-        SWAP_RECTANGLE          = 0x00080000,
-        CACHED_BUFFERS          = 0x00100000
+        COPY_BITS_EXTENSION         = 0x00000008,
+        BUFFER_PRESERVED            = 0x00010000,
+        PARTIAL_UPDATES             = 0x00020000,   // video driver feature
+        SLOW_CONFIG                 = 0x00040000,   // software
+        SWAP_RECTANGLE              = 0x00080000,
     };
 
     DisplayHardware(
diff --git a/libs/surfaceflinger/DisplayHardware/DisplayHardwareBase.cpp b/services/surfaceflinger/DisplayHardware/DisplayHardwareBase.cpp
similarity index 100%
rename from libs/surfaceflinger/DisplayHardware/DisplayHardwareBase.cpp
rename to services/surfaceflinger/DisplayHardware/DisplayHardwareBase.cpp
diff --git a/libs/surfaceflinger/DisplayHardware/DisplayHardwareBase.h b/services/surfaceflinger/DisplayHardware/DisplayHardwareBase.h
similarity index 100%
rename from libs/surfaceflinger/DisplayHardware/DisplayHardwareBase.h
rename to services/surfaceflinger/DisplayHardware/DisplayHardwareBase.h
diff --git a/services/surfaceflinger/GLExtensions.cpp b/services/surfaceflinger/GLExtensions.cpp
new file mode 100644
index 0000000..7f4f9fc
--- /dev/null
+++ b/services/surfaceflinger/GLExtensions.cpp
@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdint.h>
+
+#include "GLExtensions.h"
+
+namespace android {
+// ---------------------------------------------------------------------------
+
+ANDROID_SINGLETON_STATIC_INSTANCE( GLExtensions )
+
+GLExtensions::GLExtensions()
+    : mHaveTextureExternal(false),
+      mHaveNpot(false),
+      mHaveDirectTexture(false)
+{
+}
+
+void GLExtensions::initWithGLStrings(
+        GLubyte const* vendor,
+        GLubyte const* renderer,
+        GLubyte const* version,
+        GLubyte const* extensions,
+        char const* egl_vendor,
+        char const* egl_version,
+        char const* egl_extensions)
+{
+    mVendor     = (char const*)vendor;
+    mRenderer   = (char const*)renderer;
+    mVersion    = (char const*)version;
+    mExtensions = (char const*)extensions;
+    mEglVendor     = egl_vendor;
+    mEglVersion    = egl_version;
+    mEglExtensions = egl_extensions;
+
+    char const* curr = (char const*)extensions;
+    char const* head = curr;
+    do {
+        head = strchr(curr, ' ');
+        String8 s(curr, head ? head-curr : strlen(curr));
+        if (s.length()) {
+            mExtensionList.add(s);
+        }
+        curr = head+1;
+    } while (head);
+
+    curr = egl_extensions;
+    head = curr;
+    do {
+        head = strchr(curr, ' ');
+        String8 s(curr, head ? head-curr : strlen(curr));
+        if (s.length()) {
+            mExtensionList.add(s);
+        }
+        curr = head+1;
+    } while (head);
+
+#ifdef EGL_ANDROID_image_native_buffer
+    if (hasExtension("GL_OES_EGL_image") &&
+        (hasExtension("EGL_KHR_image_base") || hasExtension("EGL_KHR_image")) &&
+        hasExtension("EGL_ANDROID_image_native_buffer"))
+    {
+        mHaveDirectTexture = true;
+    }
+#else
+#warning "EGL_ANDROID_image_native_buffer not supported"
+#endif
+
+    if (hasExtension("GL_ARB_texture_non_power_of_two")) {
+        mHaveNpot = true;
+    }
+
+    if (hasExtension("GL_OES_texture_external")) {
+        mHaveTextureExternal = true;
+    } else if (strstr(mRenderer.string(), "Adreno")) {
+        // hack for Adreno 200
+        mHaveTextureExternal = true;
+    }
+}
+
+bool GLExtensions::hasExtension(char const* extension) const
+{
+    const String8 s(extension);
+    return mExtensionList.indexOf(s) >= 0;
+}
+
+char const* GLExtensions::getVendor() const {
+    return mVendor.string();
+}
+
+char const* GLExtensions::getRenderer() const {
+    return mRenderer.string();
+}
+
+char const* GLExtensions::getVersion() const {
+    return mVersion.string();
+}
+
+char const* GLExtensions::getExtension() const {
+    return mExtensions.string();
+}
+
+char const* GLExtensions::getEglVendor() const {
+    return mEglVendor.string();
+}
+
+char const* GLExtensions::getEglVersion() const {
+    return mEglVersion.string();
+}
+
+char const* GLExtensions::getEglExtension() const {
+    return mEglExtensions.string();
+}
+
+
+// ---------------------------------------------------------------------------
+}; // namespace android
diff --git a/services/surfaceflinger/GLExtensions.h b/services/surfaceflinger/GLExtensions.h
new file mode 100644
index 0000000..bbb284e
--- /dev/null
+++ b/services/surfaceflinger/GLExtensions.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_SF_GLEXTENSION_H
+#define ANDROID_SF_GLEXTENSION_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/String8.h>
+#include <utils/SortedVector.h>
+#include <utils/Singleton.h>
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+
+namespace android {
+// ---------------------------------------------------------------------------
+
+class GLExtensions : public Singleton<GLExtensions>
+{
+    friend class Singleton<GLExtensions>;
+
+    bool mHaveTextureExternal   : 1;
+    bool mHaveNpot              : 1;
+    bool mHaveDirectTexture     : 1;
+
+    String8 mVendor;
+    String8 mRenderer;
+    String8 mVersion;
+    String8 mExtensions;
+    String8 mEglVendor;
+    String8 mEglVersion;
+    String8 mEglExtensions;
+    SortedVector<String8> mExtensionList;
+
+    GLExtensions(const GLExtensions&);
+    GLExtensions& operator = (const GLExtensions&);
+
+protected:
+    GLExtensions();
+
+public:
+    inline bool haveTextureExternal() const {
+        return mHaveTextureExternal;
+    }
+    inline bool haveNpot() const {
+        return mHaveNpot;
+    }
+    inline bool haveDirectTexture() const {
+        return mHaveDirectTexture;
+    }
+
+    void initWithGLStrings(
+            GLubyte const* vendor,
+            GLubyte const* renderer,
+            GLubyte const* version,
+            GLubyte const* extensions,
+            char const* egl_vendor,
+            char const* egl_version,
+            char const* egl_extensions);
+
+    char const* getVendor() const;
+    char const* getRenderer() const;
+    char const* getVersion() const;
+    char const* getExtension() const;
+
+    char const* getEglVendor() const;
+    char const* getEglVersion() const;
+    char const* getEglExtension() const;
+
+    bool hasExtension(char const* extension) const;
+};
+
+
+// ---------------------------------------------------------------------------
+}; // namespace android
+
+#endif // ANDROID_SF_GLEXTENSION_H
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
new file mode 100644
index 0000000..758da4e
--- /dev/null
+++ b/services/surfaceflinger/Layer.cpp
@@ -0,0 +1,875 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <cutils/properties.h>
+#include <cutils/native_handle.h>
+
+#include <utils/Errors.h>
+#include <utils/Log.h>
+#include <utils/StopWatch.h>
+
+#include <ui/GraphicBuffer.h>
+#include <ui/PixelFormat.h>
+
+#include <surfaceflinger/Surface.h>
+
+#include "clz.h"
+#include "GLExtensions.h"
+#include "Layer.h"
+#include "SurfaceFlinger.h"
+#include "DisplayHardware/DisplayHardware.h"
+
+
+#define DEBUG_RESIZE    0
+
+
+namespace android {
+
+template <typename T> inline T min(T a, T b) {
+    return a<b ? a : b;
+}
+
+// ---------------------------------------------------------------------------
+
+Layer::Layer(SurfaceFlinger* flinger,
+        DisplayID display, const sp<Client>& client)
+    :   LayerBaseClient(flinger, display, client),
+        mGLExtensions(GLExtensions::getInstance()),
+        mNeedsBlending(true),
+        mNeedsDithering(false),
+        mSecure(false),
+        mTextureManager(),
+        mBufferManager(mTextureManager),
+        mWidth(0), mHeight(0), mFixedSize(false)
+{
+}
+
+Layer::~Layer()
+{
+    // FIXME: must be called from the main UI thread
+    EGLDisplay dpy(mFlinger->graphicPlane(0).getEGLDisplay());
+    mBufferManager.destroy(dpy);
+
+    // we can use getUserClientUnsafe here because we know we're
+    // single-threaded at that point.
+    sp<UserClient> ourClient(mUserClientRef.getUserClientUnsafe());
+    if (ourClient != 0) {
+        ourClient->detachLayer(this);
+    }
+}
+
+status_t Layer::setToken(const sp<UserClient>& userClient,
+        SharedClient* sharedClient, int32_t token)
+{
+    sp<SharedBufferServer> lcblk = new SharedBufferServer(
+            sharedClient, token, mBufferManager.getDefaultBufferCount(),
+            getIdentity());
+
+    status_t err = mUserClientRef.setToken(userClient, lcblk, token);
+
+    LOGE_IF(err != NO_ERROR,
+            "ClientRef::setToken(%p, %p, %u) failed",
+            userClient.get(), lcblk.get(), token);
+
+    if (err == NO_ERROR) {
+        // we need to free the buffers associated with this surface
+    }
+
+    return err;
+}
+
+int32_t Layer::getToken() const
+{
+    return mUserClientRef.getToken();
+}
+
+sp<UserClient> Layer::getClient() const
+{
+    return mUserClientRef.getClient();
+}
+
+// called with SurfaceFlinger::mStateLock as soon as the layer is entered
+// in the purgatory list
+void Layer::onRemoved()
+{
+    ClientRef::Access sharedClient(mUserClientRef);
+    SharedBufferServer* lcblk(sharedClient.get());
+    if (lcblk) {
+        // wake up the condition
+        lcblk->setStatus(NO_INIT);
+    }
+}
+
+sp<LayerBaseClient::Surface> Layer::createSurface() const
+{
+    return mSurface;
+}
+
+status_t Layer::ditch()
+{
+    // NOTE: Called from the main UI thread
+
+    // the layer is not on screen anymore. free as much resources as possible
+    mFreezeLock.clear();
+
+    EGLDisplay dpy(mFlinger->graphicPlane(0).getEGLDisplay());
+    mBufferManager.destroy(dpy);
+    mSurface.clear();
+
+    Mutex::Autolock _l(mLock);
+    mWidth = mHeight = 0;
+    return NO_ERROR;
+}
+
+status_t Layer::setBuffers( uint32_t w, uint32_t h,
+                            PixelFormat format, uint32_t flags)
+{
+    // this surfaces pixel format
+    PixelFormatInfo info;
+    status_t err = getPixelFormatInfo(format, &info);
+    if (err) return err;
+
+    // the display's pixel format
+    const DisplayHardware& hw(graphicPlane(0).displayHardware());
+    uint32_t const maxSurfaceDims = min(
+            hw.getMaxTextureSize(), hw.getMaxViewportDims());
+
+    // never allow a surface larger than what our underlying GL implementation
+    // can handle.
+    if ((uint32_t(w)>maxSurfaceDims) || (uint32_t(h)>maxSurfaceDims)) {
+        return BAD_VALUE;
+    }
+
+    PixelFormatInfo displayInfo;
+    getPixelFormatInfo(hw.getFormat(), &displayInfo);
+    const uint32_t hwFlags = hw.getFlags();
+    
+    mFormat = format;
+    mReqFormat = format;
+    mWidth  = w;
+    mHeight = h;
+    mSecure = (flags & ISurfaceComposer::eSecure) ? true : false;
+    mNeedsBlending = (info.h_alpha - info.l_alpha) > 0;
+
+    // we use the red index
+    int displayRedSize = displayInfo.getSize(PixelFormatInfo::INDEX_RED);
+    int layerRedsize = info.getSize(PixelFormatInfo::INDEX_RED);
+    mNeedsDithering = layerRedsize > displayRedSize;
+
+    mSurface = new SurfaceLayer(mFlinger, this);
+    return NO_ERROR;
+}
+
+void Layer::reloadTexture(const Region& dirty)
+{
+    sp<GraphicBuffer> buffer(mBufferManager.getActiveBuffer());
+    if (buffer == NULL) {
+        // this situation can happen if we ran out of memory for instance.
+        // not much we can do. continue to use whatever texture was bound
+        // to this context.
+        return;
+    }
+
+    if (mGLExtensions.haveDirectTexture()) {
+        EGLDisplay dpy(mFlinger->graphicPlane(0).getEGLDisplay());
+        if (mBufferManager.initEglImage(dpy, buffer) != NO_ERROR) {
+            // not sure what we can do here...
+            goto slowpath;
+        }
+    } else {
+slowpath:
+        GGLSurface t;
+        status_t res = buffer->lock(&t, GRALLOC_USAGE_SW_READ_OFTEN);
+        LOGE_IF(res, "error %d (%s) locking buffer %p",
+                res, strerror(res), buffer.get());
+        if (res == NO_ERROR) {
+            mBufferManager.loadTexture(dirty, t);
+            buffer->unlock();
+        }
+    }
+}
+
+void Layer::onDraw(const Region& clip) const
+{
+    Texture tex(mBufferManager.getActiveTexture());
+    if (tex.name == -1LU) {
+        // the texture has not been created yet, this Layer has
+        // in fact never been drawn into. This happens frequently with
+        // SurfaceView because the WindowManager can't know when the client
+        // has drawn the first time.
+
+        // If there is nothing under us, we paint the screen in black, otherwise
+        // we just skip this update.
+
+        // figure out if there is something below us
+        Region under;
+        const SurfaceFlinger::LayerVector& drawingLayers(mFlinger->mDrawingState.layersSortedByZ);
+        const size_t count = drawingLayers.size();
+        for (size_t i=0 ; i<count ; ++i) {
+            const sp<LayerBase>& layer(drawingLayers[i]);
+            if (layer.get() == static_cast<LayerBase const*>(this))
+                break;
+            under.orSelf(layer->visibleRegionScreen);
+        }
+        // if not everything below us is covered, we plug the holes!
+        Region holes(clip.subtract(under));
+        if (!holes.isEmpty()) {
+            clearWithOpenGL(holes, 0, 0, 0, 1);
+        }
+        return;
+    }
+    drawWithOpenGL(clip, tex);
+}
+
+bool Layer::needsFiltering() const
+{
+    if (!(mFlags & DisplayHardware::SLOW_CONFIG)) {
+        // NOTE: there is a race here, because mFixedSize is updated in a
+        // binder transaction. however, it doesn't really matter since it is
+        // evaluated each time we draw. To be perfectly correct, this flag
+        // would have to be associated with a buffer.
+        if (mFixedSize)
+            return true;
+    }
+    return LayerBase::needsFiltering();
+}
+
+
+status_t Layer::setBufferCount(int bufferCount)
+{
+    ClientRef::Access sharedClient(mUserClientRef);
+    SharedBufferServer* lcblk(sharedClient.get());
+    if (!lcblk) {
+        // oops, the client is already gone
+        return DEAD_OBJECT;
+    }
+
+    // NOTE: lcblk->resize() is protected by an internal lock
+    status_t err = lcblk->resize(bufferCount);
+    if (err == NO_ERROR)
+        mBufferManager.resize(bufferCount);
+
+    return err;
+}
+
+sp<GraphicBuffer> Layer::requestBuffer(int index,
+        uint32_t reqWidth, uint32_t reqHeight, uint32_t reqFormat,
+        uint32_t usage)
+{
+    sp<GraphicBuffer> buffer;
+
+    if (int32_t(reqWidth | reqHeight | reqFormat) < 0)
+        return buffer;
+
+    if ((!reqWidth && reqHeight) || (reqWidth && !reqHeight))
+        return buffer;
+
+    // this ensures our client doesn't go away while we're accessing
+    // the shared area.
+    ClientRef::Access sharedClient(mUserClientRef);
+    SharedBufferServer* lcblk(sharedClient.get());
+    if (!lcblk) {
+        // oops, the client is already gone
+        return buffer;
+    }
+
+    /*
+     * This is called from the client's Surface::dequeue(). This can happen
+     * at any time, especially while we're in the middle of using the
+     * buffer 'index' as our front buffer.
+     *
+     * Make sure the buffer we're resizing is not the front buffer and has been
+     * dequeued. Once this condition is asserted, we are guaranteed that this
+     * buffer cannot become the front buffer under our feet, since we're called
+     * from Surface::dequeue()
+     */
+    status_t err = lcblk->assertReallocate(index);
+    LOGE_IF(err, "assertReallocate(%d) failed (%s)", index, strerror(-err));
+    if (err != NO_ERROR) {
+        // the surface may have died
+        return buffer;
+    }
+
+    uint32_t w, h, f;
+    { // scope for the lock
+        Mutex::Autolock _l(mLock);
+        const bool fixedSizeChanged = mFixedSize != (reqWidth && reqHeight);
+        const bool formatChanged    = mReqFormat != reqFormat;
+        mReqWidth  = reqWidth;
+        mReqHeight = reqHeight;
+        mReqFormat = reqFormat;
+        mFixedSize = reqWidth && reqHeight;
+        w = reqWidth  ? reqWidth  : mWidth;
+        h = reqHeight ? reqHeight : mHeight;
+        f = reqFormat ? reqFormat : mFormat;
+        buffer = mBufferManager.detachBuffer(index);
+        if (fixedSizeChanged || formatChanged) {
+            lcblk->reallocateAllExcept(index);
+        }
+    }
+
+    const uint32_t effectiveUsage = getEffectiveUsage(usage);
+    if (buffer!=0 && buffer->getStrongCount() == 1) {
+        err = buffer->reallocate(w, h, f, effectiveUsage);
+    } else {
+        // here we have to reallocate a new buffer because we could have a
+        // client in our process with a reference to it (eg: status bar),
+        // and we can't release the handle under its feet.
+        buffer.clear();
+        buffer = new GraphicBuffer(w, h, f, effectiveUsage);
+        err = buffer->initCheck();
+    }
+
+    if (err || buffer->handle == 0) {
+        LOGE_IF(err || buffer->handle == 0,
+                "Layer::requestBuffer(this=%p), index=%d, w=%d, h=%d failed (%s)",
+                this, index, w, h, strerror(-err));
+    } else {
+        LOGD_IF(DEBUG_RESIZE,
+                "Layer::requestBuffer(this=%p), index=%d, w=%d, h=%d, handle=%p",
+                this, index, w, h, buffer->handle);
+    }
+
+    if (err == NO_ERROR && buffer->handle != 0) {
+        Mutex::Autolock _l(mLock);
+        mBufferManager.attachBuffer(index, buffer);
+    }
+    return buffer;
+}
+
+uint32_t Layer::getEffectiveUsage(uint32_t usage) const
+{
+    /*
+     *  buffers used for software rendering, but h/w composition
+     *  are allocated with SW_READ_OFTEN | SW_WRITE_OFTEN | HW_TEXTURE
+     *
+     *  buffers used for h/w rendering and h/w composition
+     *  are allocated with  HW_RENDER | HW_TEXTURE
+     *
+     *  buffers used with h/w rendering and either NPOT or no egl_image_ext
+     *  are allocated with SW_READ_RARELY | HW_RENDER
+     *
+     */
+
+    if (mSecure) {
+        // secure buffer, don't store it into the GPU
+        usage = GraphicBuffer::USAGE_SW_READ_OFTEN |
+                GraphicBuffer::USAGE_SW_WRITE_OFTEN;
+    } else {
+        // it's allowed to modify the usage flags here, but generally
+        // the requested flags should be honored.
+        // request EGLImage for all buffers
+        usage |= GraphicBuffer::USAGE_HW_TEXTURE;
+    }
+    return usage;
+}
+
+uint32_t Layer::doTransaction(uint32_t flags)
+{
+    const Layer::State& front(drawingState());
+    const Layer::State& temp(currentState());
+
+    const bool sizeChanged = (front.requested_w != temp.requested_w) ||
+            (front.requested_h != temp.requested_h);
+
+    if (sizeChanged) {
+        // the size changed, we need to ask our client to request a new buffer
+        LOGD_IF(DEBUG_RESIZE,
+                "resize (layer=%p), requested (%dx%d), drawing (%d,%d)",
+                this,
+                int(temp.requested_w), int(temp.requested_h),
+                int(front.requested_w), int(front.requested_h));
+
+        if (!isFixedSize()) {
+            // we're being resized and there is a freeze display request,
+            // acquire a freeze lock, so that the screen stays put
+            // until we've redrawn at the new size; this is to avoid
+            // glitches upon orientation changes.
+            if (mFlinger->hasFreezeRequest()) {
+                // if the surface is hidden, don't try to acquire the
+                // freeze lock, since hidden surfaces may never redraw
+                if (!(front.flags & ISurfaceComposer::eLayerHidden)) {
+                    mFreezeLock = mFlinger->getFreezeLock();
+                }
+            }
+
+            // this will make sure LayerBase::doTransaction doesn't update
+            // the drawing state's size
+            Layer::State& editDraw(mDrawingState);
+            editDraw.requested_w = temp.requested_w;
+            editDraw.requested_h = temp.requested_h;
+
+            // record the new size, form this point on, when the client request
+            // a buffer, it'll get the new size.
+            setBufferSize(temp.requested_w, temp.requested_h);
+
+            ClientRef::Access sharedClient(mUserClientRef);
+            SharedBufferServer* lcblk(sharedClient.get());
+            if (lcblk) {
+                // all buffers need reallocation
+                lcblk->reallocateAll();
+            }
+        } else {
+            // record the new size
+            setBufferSize(temp.requested_w, temp.requested_h);
+        }
+    }
+
+    if (temp.sequence != front.sequence) {
+        if (temp.flags & ISurfaceComposer::eLayerHidden || temp.alpha == 0) {
+            // this surface is now hidden, so it shouldn't hold a freeze lock
+            // (it may never redraw, which is fine if it is hidden)
+            mFreezeLock.clear();
+        }
+    }
+        
+    return LayerBase::doTransaction(flags);
+}
+
+void Layer::setBufferSize(uint32_t w, uint32_t h) {
+    Mutex::Autolock _l(mLock);
+    mWidth = w;
+    mHeight = h;
+}
+
+bool Layer::isFixedSize() const {
+    Mutex::Autolock _l(mLock);
+    return mFixedSize;
+}
+
+// ----------------------------------------------------------------------------
+// pageflip handling...
+// ----------------------------------------------------------------------------
+
+void Layer::lockPageFlip(bool& recomputeVisibleRegions)
+{
+    ClientRef::Access sharedClient(mUserClientRef);
+    SharedBufferServer* lcblk(sharedClient.get());
+    if (!lcblk) {
+        // client died
+        recomputeVisibleRegions = true;
+        return;
+    }
+
+    ssize_t buf = lcblk->retireAndLock();
+    if (buf == NOT_ENOUGH_DATA) {
+        // NOTE: This is not an error, it simply means there is nothing to
+        // retire. The buffer is locked because we will use it
+        // for composition later in the loop
+        return;
+    }
+
+    if (buf < NO_ERROR) {
+        LOGE("retireAndLock() buffer index (%d) out of range", int(buf));
+        mPostedDirtyRegion.clear();
+        return;
+    }
+
+    // we retired a buffer, which becomes the new front buffer
+    if (mBufferManager.setActiveBufferIndex(buf) < NO_ERROR) {
+        LOGE("retireAndLock() buffer index (%d) out of range", int(buf));
+        mPostedDirtyRegion.clear();
+        return;
+    }
+
+    // get the dirty region
+    sp<GraphicBuffer> newFrontBuffer(getBuffer(buf));
+    if (newFrontBuffer != NULL) {
+        // compute the posted region
+        const Region dirty(lcblk->getDirtyRegion(buf));
+        mPostedDirtyRegion = dirty.intersect( newFrontBuffer->getBounds() );
+
+        // update the layer size and release freeze-lock
+        const Layer::State& front(drawingState());
+        if (newFrontBuffer->getWidth()  == front.requested_w &&
+            newFrontBuffer->getHeight() == front.requested_h)
+        {
+            if ((front.w != front.requested_w) ||
+                (front.h != front.requested_h))
+            {
+                // Here we pretend the transaction happened by updating the
+                // current and drawing states. Drawing state is only accessed
+                // in this thread, no need to have it locked
+                Layer::State& editDraw(mDrawingState);
+                editDraw.w = editDraw.requested_w;
+                editDraw.h = editDraw.requested_h;
+
+                // We also need to update the current state so that we don't
+                // end-up doing too much work during the next transaction.
+                // NOTE: We actually don't need hold the transaction lock here
+                // because State::w and State::h are only accessed from
+                // this thread
+                Layer::State& editTemp(currentState());
+                editTemp.w = editDraw.w;
+                editTemp.h = editDraw.h;
+
+                // recompute visible region
+                recomputeVisibleRegions = true;
+            }
+
+            // we now have the correct size, unfreeze the screen
+            mFreezeLock.clear();
+        }
+    } else {
+        // this should not happen unless we ran out of memory while
+        // allocating the buffer. we're hoping that things will get back
+        // to normal the next time the app tries to draw into this buffer.
+        // meanwhile, pretend the screen didn't update.
+        mPostedDirtyRegion.clear();
+    }
+
+    if (lcblk->getQueuedCount()) {
+        // signal an event if we have more buffers waiting
+        mFlinger->signalEvent();
+    }
+
+    /* a buffer was posted, so we need to call reloadTexture(), which
+     * will update our internal data structures (eg: EGLImageKHR or
+     * texture names). we need to do this even if mPostedDirtyRegion is
+     * empty -- it's orthogonal to the fact that a new buffer was posted,
+     * for instance, a degenerate case could be that the user did an empty
+     * update but repainted the buffer with appropriate content (after a
+     * resize for instance).
+     */
+    reloadTexture( mPostedDirtyRegion );
+}
+
+void Layer::unlockPageFlip(
+        const Transform& planeTransform, Region& outDirtyRegion)
+{
+    Region dirtyRegion(mPostedDirtyRegion);
+    if (!dirtyRegion.isEmpty()) {
+        mPostedDirtyRegion.clear();
+        // The dirty region is given in the layer's coordinate space
+        // transform the dirty region by the surface's transformation
+        // and the global transformation.
+        const Layer::State& s(drawingState());
+        const Transform tr(planeTransform * s.transform);
+        dirtyRegion = tr.transform(dirtyRegion);
+
+        // At this point, the dirty region is in screen space.
+        // Make sure it's constrained by the visible region (which
+        // is in screen space as well).
+        dirtyRegion.andSelf(visibleRegionScreen);
+        outDirtyRegion.orSelf(dirtyRegion);
+    }
+    if (visibleRegionScreen.isEmpty()) {
+        // an invisible layer should not hold a freeze-lock
+        // (because it may never be updated and therefore never release it)
+        mFreezeLock.clear();
+    }
+}
+
+void Layer::finishPageFlip()
+{
+    ClientRef::Access sharedClient(mUserClientRef);
+    SharedBufferServer* lcblk(sharedClient.get());
+    if (lcblk) {
+        int buf = mBufferManager.getActiveBufferIndex();
+        if (buf >= 0) {
+            status_t err = lcblk->unlock( buf );
+            LOGE_IF(err!=NO_ERROR,
+                    "layer %p, buffer=%d wasn't locked!",
+                    this, buf);
+        }
+    }
+}
+
+
+void Layer::dump(String8& result, char* buffer, size_t SIZE) const
+{
+    LayerBaseClient::dump(result, buffer, SIZE);
+
+    ClientRef::Access sharedClient(mUserClientRef);
+    SharedBufferServer* lcblk(sharedClient.get());
+    uint32_t totalTime = 0;
+    if (lcblk) {
+        SharedBufferStack::Statistics stats = lcblk->getStats();
+        totalTime= stats.totalTime;
+        result.append( lcblk->dump("      ") );
+    }
+
+    sp<const GraphicBuffer> buf0(getBuffer(0));
+    sp<const GraphicBuffer> buf1(getBuffer(1));
+    uint32_t w0=0, h0=0, s0=0;
+    uint32_t w1=0, h1=0, s1=0;
+    if (buf0 != 0) {
+        w0 = buf0->getWidth();
+        h0 = buf0->getHeight();
+        s0 = buf0->getStride();
+    }
+    if (buf1 != 0) {
+        w1 = buf1->getWidth();
+        h1 = buf1->getHeight();
+        s1 = buf1->getStride();
+    }
+    snprintf(buffer, SIZE,
+            "      "
+            "format=%2d, [%3ux%3u:%3u] [%3ux%3u:%3u],"
+            " freezeLock=%p, dq-q-time=%u us\n",
+            mFormat, w0, h0, s0, w1, h1, s1,
+            getFreezeLock().get(), totalTime);
+
+    result.append(buffer);
+}
+
+// ---------------------------------------------------------------------------
+
+Layer::ClientRef::ClientRef()
+    : mControlBlock(0), mToken(-1) {
+}
+
+Layer::ClientRef::~ClientRef() {
+}
+
+int32_t Layer::ClientRef::getToken() const {
+    Mutex::Autolock _l(mLock);
+    return mToken;
+}
+
+sp<UserClient> Layer::ClientRef::getClient() const {
+    Mutex::Autolock _l(mLock);
+    return mUserClient.promote();
+}
+
+status_t Layer::ClientRef::setToken(const sp<UserClient>& uc,
+        const sp<SharedBufferServer>& sharedClient, int32_t token) {
+    Mutex::Autolock _l(mLock);
+
+    { // scope for strong mUserClient reference
+        sp<UserClient> userClient(mUserClient.promote());
+        if (mUserClient != 0 && mControlBlock != 0) {
+            mControlBlock->setStatus(NO_INIT);
+        }
+    }
+
+    mUserClient = uc;
+    mToken = token;
+    mControlBlock = sharedClient;
+    return NO_ERROR;
+}
+
+sp<UserClient> Layer::ClientRef::getUserClientUnsafe() const {
+    return mUserClient.promote();
+}
+
+// this class gives us access to SharedBufferServer safely
+// it makes sure the UserClient (and its associated shared memory)
+// won't go away while we're accessing it.
+Layer::ClientRef::Access::Access(const ClientRef& ref)
+    : mControlBlock(0)
+{
+    Mutex::Autolock _l(ref.mLock);
+    mUserClientStrongRef = ref.mUserClient.promote();
+    if (mUserClientStrongRef != 0)
+        mControlBlock = ref.mControlBlock;
+}
+
+Layer::ClientRef::Access::~Access()
+{
+}
+
+// ---------------------------------------------------------------------------
+
+Layer::BufferManager::BufferManager(TextureManager& tm)
+    : mNumBuffers(NUM_BUFFERS), mTextureManager(tm),
+      mActiveBuffer(-1), mFailover(false)
+{
+}
+
+Layer::BufferManager::~BufferManager()
+{
+}
+
+status_t Layer::BufferManager::resize(size_t size)
+{
+    Mutex::Autolock _l(mLock);
+    mNumBuffers = size;
+    return NO_ERROR;
+}
+
+// only for debugging
+sp<GraphicBuffer> Layer::BufferManager::getBuffer(size_t index) const {
+    return mBufferData[index].buffer;
+}
+
+status_t Layer::BufferManager::setActiveBufferIndex(size_t index) {
+    mActiveBuffer = index;
+    return NO_ERROR;
+}
+
+size_t Layer::BufferManager::getActiveBufferIndex() const {
+    return mActiveBuffer;
+}
+
+Texture Layer::BufferManager::getActiveTexture() const {
+    Texture res;
+    if (mFailover || mActiveBuffer<0) {
+        res = mFailoverTexture;
+    } else {
+        static_cast<Image&>(res) = mBufferData[mActiveBuffer].texture;
+    }
+    return res;
+}
+
+sp<GraphicBuffer> Layer::BufferManager::getActiveBuffer() const {
+    sp<GraphicBuffer> result;
+    const ssize_t activeBuffer = mActiveBuffer;
+    if (activeBuffer >= 0) {
+        BufferData const * const buffers = mBufferData;
+        Mutex::Autolock _l(mLock);
+        result = buffers[activeBuffer].buffer;
+    }
+    return result;
+}
+
+sp<GraphicBuffer> Layer::BufferManager::detachBuffer(size_t index)
+{
+    BufferData* const buffers = mBufferData;
+    sp<GraphicBuffer> buffer;
+    Mutex::Autolock _l(mLock);
+    buffer = buffers[index].buffer;
+    buffers[index].buffer = 0;
+    return buffer;
+}
+
+status_t Layer::BufferManager::attachBuffer(size_t index,
+        const sp<GraphicBuffer>& buffer)
+{
+    BufferData* const buffers = mBufferData;
+    Mutex::Autolock _l(mLock);
+    buffers[index].buffer = buffer;
+    buffers[index].texture.dirty = true;
+    return NO_ERROR;
+}
+
+status_t Layer::BufferManager::destroy(EGLDisplay dpy)
+{
+    BufferData* const buffers = mBufferData;
+    size_t num;
+    { // scope for the lock
+        Mutex::Autolock _l(mLock);
+        num = mNumBuffers;
+        for (size_t i=0 ; i<num ; i++) {
+            buffers[i].buffer = 0;
+        }
+    }
+    for (size_t i=0 ; i<num ; i++) {
+        destroyTexture(&buffers[i].texture, dpy);
+    }
+    destroyTexture(&mFailoverTexture, dpy);
+    return NO_ERROR;
+}
+
+status_t Layer::BufferManager::initEglImage(EGLDisplay dpy,
+        const sp<GraphicBuffer>& buffer)
+{
+    status_t err = NO_INIT;
+    ssize_t index = mActiveBuffer;
+    if (index >= 0) {
+        if (!mFailover) {
+            Image& texture(mBufferData[index].texture);
+            err = mTextureManager.initEglImage(&texture, dpy, buffer);
+            // if EGLImage fails, we switch to regular texture mode, and we
+            // free all resources associated with using EGLImages.
+            if (err == NO_ERROR) {
+                mFailover = false;
+                destroyTexture(&mFailoverTexture, dpy);
+            } else {
+                mFailover = true;
+                const size_t num = mNumBuffers;
+                for (size_t i=0 ; i<num ; i++) {
+                    destroyTexture(&mBufferData[i].texture, dpy);
+                }
+            }
+        } else {
+            // we failed once, don't try again
+            err = BAD_VALUE;
+        }
+    }
+    return err;
+}
+
+status_t Layer::BufferManager::loadTexture(
+        const Region& dirty, const GGLSurface& t)
+{
+    return mTextureManager.loadTexture(&mFailoverTexture, dirty, t);
+}
+
+status_t Layer::BufferManager::destroyTexture(Image* tex, EGLDisplay dpy)
+{
+    if (tex->name != -1U) {
+        glDeleteTextures(1, &tex->name);
+        tex->name = -1U;
+    }
+    if (tex->image != EGL_NO_IMAGE_KHR) {
+        eglDestroyImageKHR(dpy, tex->image);
+        tex->image = EGL_NO_IMAGE_KHR;
+    }
+    return NO_ERROR;
+}
+
+// ---------------------------------------------------------------------------
+
+Layer::SurfaceLayer::SurfaceLayer(const sp<SurfaceFlinger>& flinger,
+        const sp<Layer>& owner)
+    : Surface(flinger, owner->getIdentity(), owner)
+{
+}
+
+Layer::SurfaceLayer::~SurfaceLayer()
+{
+}
+
+sp<GraphicBuffer> Layer::SurfaceLayer::requestBuffer(int index,
+        uint32_t w, uint32_t h, uint32_t format, uint32_t usage)
+{
+    sp<GraphicBuffer> buffer;
+    sp<Layer> owner(getOwner());
+    if (owner != 0) {
+        /*
+         * requestBuffer() cannot be called from the main thread
+         * as it could cause a dead-lock, since it may have to wait
+         * on conditions updated my the main thread.
+         */
+        buffer = owner->requestBuffer(index, w, h, format, usage);
+    }
+    return buffer;
+}
+
+status_t Layer::SurfaceLayer::setBufferCount(int bufferCount)
+{
+    status_t err = DEAD_OBJECT;
+    sp<Layer> owner(getOwner());
+    if (owner != 0) {
+        /*
+         * setBufferCount() cannot be called from the main thread
+         * as it could cause a dead-lock, since it may have to wait
+         * on conditions updated my the main thread.
+         */
+        err = owner->setBufferCount(bufferCount);
+    }
+    return err;
+}
+
+// ---------------------------------------------------------------------------
+
+
+}; // namespace android
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
new file mode 100644
index 0000000..e1d283b
--- /dev/null
+++ b/services/surfaceflinger/Layer.h
@@ -0,0 +1,239 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_LAYER_H
+#define ANDROID_LAYER_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <ui/GraphicBuffer.h>
+#include <ui/PixelFormat.h>
+#include <pixelflinger/pixelflinger.h>
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+
+#include "LayerBase.h"
+#include "Transform.h"
+#include "TextureManager.h"
+
+namespace android {
+
+// ---------------------------------------------------------------------------
+
+class FreezeLock;
+class Client;
+class GLExtensions;
+class UserClient;
+
+// ---------------------------------------------------------------------------
+
+class Layer : public LayerBaseClient
+{
+public:
+            Layer(SurfaceFlinger* flinger, DisplayID display,
+                    const sp<Client>& client);
+
+    virtual ~Layer();
+
+    virtual const char* getTypeId() const { return "Layer"; }
+
+    // the this layer's size and format
+    status_t setBuffers(uint32_t w, uint32_t h, 
+            PixelFormat format, uint32_t flags=0);
+
+    // associate a UserClient to this Layer
+    status_t setToken(const sp<UserClient>& uc, SharedClient* sc, int32_t idx);
+    int32_t getToken() const;
+    sp<UserClient> getClient() const;
+
+    // Set this Layer's buffers size
+    void setBufferSize(uint32_t w, uint32_t h);
+    bool isFixedSize() const;
+
+    // LayerBase interface
+    virtual void onDraw(const Region& clip) const;
+    virtual uint32_t doTransaction(uint32_t transactionFlags);
+    virtual void lockPageFlip(bool& recomputeVisibleRegions);
+    virtual void unlockPageFlip(const Transform& planeTransform, Region& outDirtyRegion);
+    virtual void finishPageFlip();
+    virtual bool needsBlending() const      { return mNeedsBlending; }
+    virtual bool needsDithering() const     { return mNeedsDithering; }
+    virtual bool needsFiltering() const;
+    virtual bool isSecure() const           { return mSecure; }
+    virtual sp<Surface> createSurface() const;
+    virtual status_t ditch();
+    virtual void onRemoved();
+
+    // only for debugging
+    inline sp<GraphicBuffer> getBuffer(int i) const {
+        return mBufferManager.getBuffer(i); }
+    // only for debugging
+    inline const sp<FreezeLock>&  getFreezeLock() const {
+        return mFreezeLock; }
+
+protected:
+    virtual void dump(String8& result, char* scratch, size_t size) const;
+
+private:
+    void reloadTexture(const Region& dirty);
+    uint32_t getEffectiveUsage(uint32_t usage) const;
+    sp<GraphicBuffer> requestBuffer(int bufferIdx,
+            uint32_t w, uint32_t h, uint32_t format, uint32_t usage);
+    status_t setBufferCount(int bufferCount);
+
+    // -----------------------------------------------------------------------
+
+    class SurfaceLayer : public LayerBaseClient::Surface {
+    public:
+        SurfaceLayer(const sp<SurfaceFlinger>& flinger, const sp<Layer>& owner);
+        ~SurfaceLayer();
+    private:
+        virtual sp<GraphicBuffer> requestBuffer(int bufferIdx,
+                uint32_t w, uint32_t h, uint32_t format, uint32_t usage);
+        virtual status_t setBufferCount(int bufferCount);
+        sp<Layer> getOwner() const {
+            return static_cast<Layer*>(Surface::getOwner().get());
+        }
+    };
+    friend class SurfaceLayer;
+
+    // -----------------------------------------------------------------------
+
+    class ClientRef {
+        ClientRef(const ClientRef& rhs);
+        ClientRef& operator = (const ClientRef& rhs);
+        mutable Mutex mLock;
+        // binder thread, page-flip thread
+        sp<SharedBufferServer> mControlBlock;
+        wp<UserClient> mUserClient;
+        int32_t mToken;
+    public:
+        ClientRef();
+        ~ClientRef();
+        int32_t getToken() const;
+        sp<UserClient> getClient() const;
+        status_t setToken(const sp<UserClient>& uc,
+                const sp<SharedBufferServer>& sharedClient, int32_t token);
+        sp<UserClient> getUserClientUnsafe() const;
+        class Access {
+            Access(const Access& rhs);
+            Access& operator = (const Access& rhs);
+            sp<UserClient> mUserClientStrongRef;
+            sp<SharedBufferServer> mControlBlock;
+        public:
+            Access(const ClientRef& ref);
+            ~Access();
+            inline SharedBufferServer* get() const { return mControlBlock.get(); }
+        };
+        friend class Access;
+    };
+
+    // -----------------------------------------------------------------------
+
+    class BufferManager {
+        static const size_t NUM_BUFFERS = 2;
+        struct BufferData {
+            sp<GraphicBuffer>   buffer;
+            Image               texture;
+        };
+        // this lock protect mBufferData[].buffer but since there
+        // is very little contention, we have only one like for
+        // the whole array, we also use it to protect mNumBuffers.
+        mutable Mutex mLock;
+        BufferData          mBufferData[SharedBufferStack::NUM_BUFFER_MAX];
+        size_t              mNumBuffers;
+        Texture             mFailoverTexture;
+        TextureManager&     mTextureManager;
+        ssize_t             mActiveBuffer;
+        bool                mFailover;
+        static status_t destroyTexture(Image* tex, EGLDisplay dpy);
+
+    public:
+        static size_t getDefaultBufferCount() { return NUM_BUFFERS; }
+        BufferManager(TextureManager& tm);
+        ~BufferManager();
+
+        // detach/attach buffer from/to given index
+        sp<GraphicBuffer> detachBuffer(size_t index);
+        status_t attachBuffer(size_t index, const sp<GraphicBuffer>& buffer);
+        // resize the number of active buffers
+        status_t resize(size_t size);
+
+        // ----------------------------------------------
+        // must be called from GL thread
+
+        // set/get active buffer index
+        status_t setActiveBufferIndex(size_t index);
+        size_t getActiveBufferIndex() const;
+        // return the active buffer
+        sp<GraphicBuffer> getActiveBuffer() const;
+        // return the active texture (or fail-over)
+        Texture getActiveTexture() const;
+        // frees resources associated with all buffers
+        status_t destroy(EGLDisplay dpy);
+        // load bitmap data into the active buffer
+        status_t loadTexture(const Region& dirty, const GGLSurface& t);
+        // make active buffer an EGLImage if needed
+        status_t initEglImage(EGLDisplay dpy,
+                const sp<GraphicBuffer>& buffer);
+
+        // ----------------------------------------------
+        // only for debugging
+        sp<GraphicBuffer> getBuffer(size_t index) const;
+    };
+
+    // -----------------------------------------------------------------------
+
+    // thread-safe
+    ClientRef mUserClientRef;
+
+    // constants
+    sp<Surface> mSurface;
+    PixelFormat mFormat;
+    const GLExtensions& mGLExtensions;
+    bool mNeedsBlending;
+    bool mNeedsDithering;
+
+    // page-flip thread (currently main thread)
+    bool mSecure;
+    Region mPostedDirtyRegion;
+
+    // page-flip thread and transaction thread (currently main thread)
+    sp<FreezeLock>  mFreezeLock;
+
+    // see threading usage in declaration
+    TextureManager mTextureManager;
+    BufferManager mBufferManager;
+
+    // binder thread, transaction thread
+    mutable Mutex mLock;
+    uint32_t mWidth;
+    uint32_t mHeight;
+    uint32_t mReqWidth;
+    uint32_t mReqHeight;
+    uint32_t mReqFormat;
+    bool mFixedSize;
+};
+
+// ---------------------------------------------------------------------------
+
+}; // namespace android
+
+#endif // ANDROID_LAYER_H
diff --git a/services/surfaceflinger/LayerBase.cpp b/services/surfaceflinger/LayerBase.cpp
new file mode 100644
index 0000000..d5aa53f
--- /dev/null
+++ b/services/surfaceflinger/LayerBase.cpp
@@ -0,0 +1,593 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/Log.h>
+#include <binder/IPCThreadState.h>
+#include <binder/IServiceManager.h>
+
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+
+#include <hardware/hardware.h>
+
+#include "clz.h"
+#include "LayerBase.h"
+#include "SurfaceFlinger.h"
+#include "DisplayHardware/DisplayHardware.h"
+#include "TextureManager.h"
+
+
+namespace android {
+
+// ---------------------------------------------------------------------------
+
+LayerBase::LayerBase(SurfaceFlinger* flinger, DisplayID display)
+    : dpy(display), contentDirty(false),
+      mFlinger(flinger),
+      mNeedsFiltering(false),
+      mOrientation(0),
+      mLeft(0), mTop(0),
+      mTransactionFlags(0),
+      mPremultipliedAlpha(true), mName("unnamed"), mDebug(false),
+      mInvalidate(0)
+{
+    const DisplayHardware& hw(flinger->graphicPlane(0).displayHardware());
+    mFlags = hw.getFlags();
+}
+
+LayerBase::~LayerBase()
+{
+}
+
+void LayerBase::setName(const String8& name) {
+    mName = name;
+}
+
+String8 LayerBase::getName() const {
+    return mName;
+}
+
+const GraphicPlane& LayerBase::graphicPlane(int dpy) const
+{ 
+    return mFlinger->graphicPlane(dpy);
+}
+
+GraphicPlane& LayerBase::graphicPlane(int dpy)
+{
+    return mFlinger->graphicPlane(dpy); 
+}
+
+void LayerBase::initStates(uint32_t w, uint32_t h, uint32_t flags)
+{
+    uint32_t layerFlags = 0;
+    if (flags & ISurfaceComposer::eHidden)
+        layerFlags = ISurfaceComposer::eLayerHidden;
+
+    if (flags & ISurfaceComposer::eNonPremultiplied)
+        mPremultipliedAlpha = false;
+
+    mCurrentState.z             = 0;
+    mCurrentState.w             = w;
+    mCurrentState.h             = h;
+    mCurrentState.requested_w   = w;
+    mCurrentState.requested_h   = h;
+    mCurrentState.alpha         = 0xFF;
+    mCurrentState.flags         = layerFlags;
+    mCurrentState.sequence      = 0;
+    mCurrentState.transform.set(0, 0);
+
+    // drawing state & current state are identical
+    mDrawingState = mCurrentState;
+}
+
+void LayerBase::commitTransaction() {
+    mDrawingState = mCurrentState;
+}
+void LayerBase::forceVisibilityTransaction() {
+    // this can be called without SurfaceFlinger.mStateLock, but if we
+    // can atomically increment the sequence number, it doesn't matter.
+    android_atomic_inc(&mCurrentState.sequence);
+    requestTransaction();
+}
+bool LayerBase::requestTransaction() {
+    int32_t old = setTransactionFlags(eTransactionNeeded);
+    return ((old & eTransactionNeeded) == 0);
+}
+uint32_t LayerBase::getTransactionFlags(uint32_t flags) {
+    return android_atomic_and(~flags, &mTransactionFlags) & flags;
+}
+uint32_t LayerBase::setTransactionFlags(uint32_t flags) {
+    return android_atomic_or(flags, &mTransactionFlags);
+}
+
+bool LayerBase::setPosition(int32_t x, int32_t y) {
+    if (mCurrentState.transform.tx() == x && mCurrentState.transform.ty() == y)
+        return false;
+    mCurrentState.sequence++;
+    mCurrentState.transform.set(x, y);
+    requestTransaction();
+    return true;
+}
+bool LayerBase::setLayer(uint32_t z) {
+    if (mCurrentState.z == z)
+        return false;
+    mCurrentState.sequence++;
+    mCurrentState.z = z;
+    requestTransaction();
+    return true;
+}
+bool LayerBase::setSize(uint32_t w, uint32_t h) {
+    if (mCurrentState.requested_w == w && mCurrentState.requested_h == h)
+        return false;
+    mCurrentState.requested_w = w;
+    mCurrentState.requested_h = h;
+    requestTransaction();
+    return true;
+}
+bool LayerBase::setAlpha(uint8_t alpha) {
+    if (mCurrentState.alpha == alpha)
+        return false;
+    mCurrentState.sequence++;
+    mCurrentState.alpha = alpha;
+    requestTransaction();
+    return true;
+}
+bool LayerBase::setMatrix(const layer_state_t::matrix22_t& matrix) {
+    mCurrentState.sequence++;
+    mCurrentState.transform.set(
+            matrix.dsdx, matrix.dsdy, matrix.dtdx, matrix.dtdy);
+    requestTransaction();
+    return true;
+}
+bool LayerBase::setTransparentRegionHint(const Region& transparent) {
+    mCurrentState.sequence++;
+    mCurrentState.transparentRegion = transparent;
+    requestTransaction();
+    return true;
+}
+bool LayerBase::setFlags(uint8_t flags, uint8_t mask) {
+    const uint32_t newFlags = (mCurrentState.flags & ~mask) | (flags & mask);
+    if (mCurrentState.flags == newFlags)
+        return false;
+    mCurrentState.sequence++;
+    mCurrentState.flags = newFlags;
+    requestTransaction();
+    return true;
+}
+
+Rect LayerBase::visibleBounds() const
+{
+    return mTransformedBounds;
+}      
+
+void LayerBase::setVisibleRegion(const Region& visibleRegion) {
+    // always called from main thread
+    visibleRegionScreen = visibleRegion;
+}
+
+void LayerBase::setCoveredRegion(const Region& coveredRegion) {
+    // always called from main thread
+    coveredRegionScreen = coveredRegion;
+}
+
+uint32_t LayerBase::doTransaction(uint32_t flags)
+{
+    const Layer::State& front(drawingState());
+    const Layer::State& temp(currentState());
+
+    if ((front.requested_w != temp.requested_w) ||
+        (front.requested_h != temp.requested_h))  {
+        // resize the layer, set the physical size to the requested size
+        Layer::State& editTemp(currentState());
+        editTemp.w = temp.requested_w;
+        editTemp.h = temp.requested_h;
+    }
+
+    if ((front.w != temp.w) || (front.h != temp.h)) {
+        // invalidate and recompute the visible regions if needed
+        flags |= Layer::eVisibleRegion;
+    }
+
+    if (temp.sequence != front.sequence) {
+        // invalidate and recompute the visible regions if needed
+        flags |= eVisibleRegion;
+        this->contentDirty = true;
+
+        mNeedsFiltering = false;
+        if (!(mFlags & DisplayHardware::SLOW_CONFIG)) {
+            // we may use linear filtering, if the matrix scales us
+            const uint8_t type = temp.transform.getType();
+            if (!temp.transform.preserveRects() || (type >= Transform::SCALE)) {
+                mNeedsFiltering = true;
+            }
+        }
+    }
+
+    // Commit the transaction
+    commitTransaction();
+    return flags;
+}
+
+void LayerBase::validateVisibility(const Transform& planeTransform)
+{
+    const Layer::State& s(drawingState());
+    const Transform tr(planeTransform * s.transform);
+    const bool transformed = tr.transformed();
+   
+    uint32_t w = s.w;
+    uint32_t h = s.h;    
+    tr.transform(mVertices[0], 0, 0);
+    tr.transform(mVertices[1], 0, h);
+    tr.transform(mVertices[2], w, h);
+    tr.transform(mVertices[3], w, 0);
+    if (UNLIKELY(transformed)) {
+        // NOTE: here we could also punt if we have too many rectangles
+        // in the transparent region
+        if (tr.preserveRects()) {
+            // transform the transparent region
+            transparentRegionScreen = tr.transform(s.transparentRegion);
+        } else {
+            // transformation too complex, can't do the transparent region
+            // optimization.
+            transparentRegionScreen.clear();
+        }
+    } else {
+        transparentRegionScreen = s.transparentRegion;
+    }
+
+    // cache a few things...
+    mOrientation = tr.getOrientation();
+    mTransformedBounds = tr.makeBounds(w, h);
+    mLeft = tr.tx();
+    mTop  = tr.ty();
+}
+
+void LayerBase::lockPageFlip(bool& recomputeVisibleRegions)
+{
+}
+
+void LayerBase::unlockPageFlip(
+        const Transform& planeTransform, Region& outDirtyRegion)
+{
+    if ((android_atomic_and(~1, &mInvalidate)&1) == 1) {
+        outDirtyRegion.orSelf(visibleRegionScreen);
+    }
+}
+
+void LayerBase::finishPageFlip()
+{
+}
+
+void LayerBase::invalidate()
+{
+    if ((android_atomic_or(1, &mInvalidate)&1) == 0) {
+        mFlinger->signalEvent();
+    }
+}
+
+void LayerBase::drawRegion(const Region& reg) const
+{
+    Region::const_iterator it = reg.begin();
+    Region::const_iterator const end = reg.end();
+    if (it != end) {
+        Rect r;
+        const DisplayHardware& hw(graphicPlane(0).displayHardware());
+        const int32_t fbWidth  = hw.getWidth();
+        const int32_t fbHeight = hw.getHeight();
+        const GLshort vertices[][2] = { { 0, 0 }, { fbWidth, 0 }, 
+                { fbWidth, fbHeight }, { 0, fbHeight }  };
+        glVertexPointer(2, GL_SHORT, 0, vertices);
+        while (it != end) {
+            const Rect& r = *it++;
+            const GLint sy = fbHeight - (r.top + r.height());
+            glScissor(r.left, sy, r.width(), r.height());
+            glDrawArrays(GL_TRIANGLE_FAN, 0, 4); 
+        }
+    }
+}
+
+void LayerBase::draw(const Region& inClip) const
+{
+    // invalidate the region we'll update
+    Region clip(inClip);  // copy-on-write, so no-op most of the time
+
+    // Remove the transparent area from the clipping region
+    const State& s = drawingState();
+    if (LIKELY(!s.transparentRegion.isEmpty())) {
+        clip.subtract(transparentRegionScreen);
+        if (clip.isEmpty()) {
+            // usually this won't happen because this should be taken care of
+            // by SurfaceFlinger::computeVisibleRegions()
+            return;
+        }        
+    }
+
+    // reset GL state
+    glEnable(GL_SCISSOR_TEST);
+
+    onDraw(clip);
+}
+
+void LayerBase::clearWithOpenGL(const Region& clip, GLclampf red,
+                                GLclampf green, GLclampf blue,
+                                GLclampf alpha) const
+{
+    const DisplayHardware& hw(graphicPlane(0).displayHardware());
+    const uint32_t fbHeight = hw.getHeight();
+    glColor4f(red,green,blue,alpha);
+
+    TextureManager::deactivateTextures();
+
+    glDisable(GL_BLEND);
+    glDisable(GL_DITHER);
+
+    Region::const_iterator it = clip.begin();
+    Region::const_iterator const end = clip.end();
+    glEnable(GL_SCISSOR_TEST);
+    glVertexPointer(2, GL_FLOAT, 0, mVertices);
+    while (it != end) {
+        const Rect& r = *it++;
+        const GLint sy = fbHeight - (r.top + r.height());
+        glScissor(r.left, sy, r.width(), r.height());
+        glDrawArrays(GL_TRIANGLE_FAN, 0, 4); 
+    }
+}
+
+void LayerBase::clearWithOpenGL(const Region& clip) const
+{
+    clearWithOpenGL(clip,0,0,0,0);
+}
+
+void LayerBase::drawWithOpenGL(const Region& clip, const Texture& texture) const
+{
+    const DisplayHardware& hw(graphicPlane(0).displayHardware());
+    const uint32_t fbHeight = hw.getHeight();
+    const State& s(drawingState());
+    
+    // bind our texture
+    TextureManager::activateTexture(texture, needsFiltering());
+    uint32_t width  = texture.width; 
+    uint32_t height = texture.height;
+
+    GLenum src = mPremultipliedAlpha ? GL_ONE : GL_SRC_ALPHA;
+    if (UNLIKELY(s.alpha < 0xFF)) {
+        const GLfloat alpha = s.alpha * (1.0f/255.0f);
+        if (mPremultipliedAlpha) {
+            glColor4f(alpha, alpha, alpha, alpha);
+        } else {
+            glColor4f(1, 1, 1, alpha);
+        }
+        glEnable(GL_BLEND);
+        glBlendFunc(src, GL_ONE_MINUS_SRC_ALPHA);
+        glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+    } else {
+        glColor4f(1, 1, 1, 1);
+        glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+        if (needsBlending()) {
+            glEnable(GL_BLEND);
+            glBlendFunc(src, GL_ONE_MINUS_SRC_ALPHA);
+        } else {
+            glDisable(GL_BLEND);
+        }
+    }
+
+    Region::const_iterator it = clip.begin();
+    Region::const_iterator const end = clip.end();
+    const GLfloat texCoords[4][2] = {
+            { 0,  0 },
+            { 0,  1 },
+            { 1,  1 },
+            { 1,  0 }
+    };
+
+    glMatrixMode(GL_TEXTURE);
+    glLoadIdentity();
+
+    // the texture's source is rotated
+    switch (texture.transform) {
+        case HAL_TRANSFORM_ROT_90:
+            glTranslatef(0, 1, 0);
+            glRotatef(-90, 0, 0, 1);
+            break;
+        case HAL_TRANSFORM_ROT_180:
+            glTranslatef(1, 1, 0);
+            glRotatef(-180, 0, 0, 1);
+            break;
+        case HAL_TRANSFORM_ROT_270:
+            glTranslatef(1, 0, 0);
+            glRotatef(-270, 0, 0, 1);
+            break;
+    }
+
+    if (texture.NPOTAdjust) {
+        glScalef(texture.wScale, texture.hScale, 1.0f);
+    }
+
+    if (needsDithering()) {
+        glEnable(GL_DITHER);
+    } else {
+        glDisable(GL_DITHER);
+    }
+
+    glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+    glVertexPointer(2, GL_FLOAT, 0, mVertices);
+    glTexCoordPointer(2, GL_FLOAT, 0, texCoords);
+
+    while (it != end) {
+        const Rect& r = *it++;
+        const GLint sy = fbHeight - (r.top + r.height());
+        glScissor(r.left, sy, r.width(), r.height());
+        glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
+    }
+    glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+}
+
+void LayerBase::dump(String8& result, char* buffer, size_t SIZE) const
+{
+    const Layer::State& s(drawingState());
+    snprintf(buffer, SIZE,
+            "+ %s %p\n"
+            "      "
+            "z=%9d, pos=(%4d,%4d), size=(%4d,%4d), "
+            "needsBlending=%1d, needsDithering=%1d, invalidate=%1d, "
+            "alpha=0x%02x, flags=0x%08x, tr=[%.2f, %.2f][%.2f, %.2f]\n",
+            getTypeId(), this, s.z, tx(), ty(), s.w, s.h,
+            needsBlending(), needsDithering(), contentDirty,
+            s.alpha, s.flags,
+            s.transform[0][0], s.transform[0][1],
+            s.transform[1][0], s.transform[1][1]);
+    result.append(buffer);
+}
+
+// ---------------------------------------------------------------------------
+
+int32_t LayerBaseClient::sIdentity = 1;
+
+LayerBaseClient::LayerBaseClient(SurfaceFlinger* flinger, DisplayID display,
+        const sp<Client>& client)
+    : LayerBase(flinger, display), mClientRef(client),
+      mIdentity(uint32_t(android_atomic_inc(&sIdentity)))
+{
+}
+
+LayerBaseClient::~LayerBaseClient()
+{
+    sp<Client> c(mClientRef.promote());
+    if (c != 0) {
+        c->detachLayer(this);
+    }
+}
+
+sp<LayerBaseClient::Surface> LayerBaseClient::getSurface()
+{
+    sp<Surface> s;
+    Mutex::Autolock _l(mLock);
+    s = mClientSurface.promote();
+    if (s == 0) {
+        s = createSurface();
+        mClientSurface = s;
+    }
+    return s;
+}
+
+sp<LayerBaseClient::Surface> LayerBaseClient::createSurface() const
+{
+    return new Surface(mFlinger, mIdentity,
+            const_cast<LayerBaseClient *>(this));
+}
+
+void LayerBaseClient::dump(String8& result, char* buffer, size_t SIZE) const
+{
+    LayerBase::dump(result, buffer, SIZE);
+
+    sp<Client> client(mClientRef.promote());
+    snprintf(buffer, SIZE,
+            "      name=%s\n"
+            "      client=%p, identity=%u\n",
+            getName().string(),
+            client.get(), getIdentity());
+
+    result.append(buffer);
+}
+
+// ---------------------------------------------------------------------------
+
+LayerBaseClient::Surface::Surface(
+        const sp<SurfaceFlinger>& flinger,
+        int identity,
+        const sp<LayerBaseClient>& owner) 
+    : mFlinger(flinger), mIdentity(identity), mOwner(owner)
+{
+}
+
+LayerBaseClient::Surface::~Surface() 
+{
+    /*
+     * This is a good place to clean-up all client resources 
+     */
+
+    // destroy client resources
+    sp<LayerBaseClient> layer = getOwner();
+    if (layer != 0) {
+        mFlinger->destroySurface(layer);
+    }
+}
+
+sp<LayerBaseClient> LayerBaseClient::Surface::getOwner() const {
+    sp<LayerBaseClient> owner(mOwner.promote());
+    return owner;
+}
+
+status_t LayerBaseClient::Surface::onTransact(
+        uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+    switch (code) {
+        case REGISTER_BUFFERS:
+        case UNREGISTER_BUFFERS:
+        case CREATE_OVERLAY:
+        {
+            if (!mFlinger->mAccessSurfaceFlinger.checkCalling()) {
+                IPCThreadState* ipc = IPCThreadState::self();
+                const int pid = ipc->getCallingPid();
+                const int uid = ipc->getCallingUid();
+                LOGE("Permission Denial: "
+                        "can't access SurfaceFlinger pid=%d, uid=%d", pid, uid);
+                return PERMISSION_DENIED;
+            }
+        }
+    }
+    return BnSurface::onTransact(code, data, reply, flags);
+}
+
+sp<GraphicBuffer> LayerBaseClient::Surface::requestBuffer(int bufferIdx,
+        uint32_t w, uint32_t h, uint32_t format, uint32_t usage)
+{
+    return NULL; 
+}
+
+status_t LayerBaseClient::Surface::setBufferCount(int bufferCount)
+{
+    return INVALID_OPERATION;
+}
+
+status_t LayerBaseClient::Surface::registerBuffers(
+        const ISurface::BufferHeap& buffers) 
+{ 
+    return INVALID_OPERATION; 
+}
+
+void LayerBaseClient::Surface::postBuffer(ssize_t offset) 
+{
+}
+
+void LayerBaseClient::Surface::unregisterBuffers() 
+{
+}
+
+sp<OverlayRef> LayerBaseClient::Surface::createOverlay(
+        uint32_t w, uint32_t h, int32_t format, int32_t orientation)
+{
+    return NULL;
+};
+
+// ---------------------------------------------------------------------------
+
+}; // namespace android
diff --git a/libs/surfaceflinger/LayerBase.h b/services/surfaceflinger/LayerBase.h
similarity index 71%
rename from libs/surfaceflinger/LayerBase.h
rename to services/surfaceflinger/LayerBase.h
index 62ec839..4288cf7 100644
--- a/libs/surfaceflinger/LayerBase.h
+++ b/services/surfaceflinger/LayerBase.h
@@ -29,7 +29,7 @@
 #include <ui/Region.h>
 #include <ui/Overlay.h>
 
-#include <surfaceflinger/ISurfaceFlingerClient.h>
+#include <surfaceflinger/ISurfaceComposerClient.h>
 #include <private/surfaceflinger/SharedBufferStack.h>
 #include <private/surfaceflinger/LayerState.h>
 
@@ -45,41 +45,17 @@
 class Client;
 class GraphicBuffer;
 class GraphicPlane;
+class LayerBaseClient;
 class SurfaceFlinger;
+class Texture;
 
 // ---------------------------------------------------------------------------
 
 class LayerBase : public RefBase
 {
-    // poor man's dynamic_cast below
-    template<typename T>
-    struct getTypeInfoOfAnyType {
-        static uint32_t get() { return T::typeInfo; }
-    };
-
-    template<typename T>
-    struct getTypeInfoOfAnyType<T*> {
-        static uint32_t get() { return getTypeInfoOfAnyType<T>::get(); }
-    };
-
 public:
-    static const uint32_t typeInfo;
-    static const char* const typeID;
-    virtual char const* getTypeID() const { return typeID; }
-    virtual uint32_t getTypeInfo() const { return typeInfo; }
-    
-    template<typename T>
-    static T dynamicCast(LayerBase* base) {
-        uint32_t mostDerivedInfo = base->getTypeInfo();
-        uint32_t castToInfo = getTypeInfoOfAnyType<T>::get();
-        if ((mostDerivedInfo & castToInfo) == castToInfo)
-            return static_cast<T>(base);
-        return 0;
-    }
+            LayerBase(SurfaceFlinger* flinger, DisplayID display);
 
-    
-    LayerBase(SurfaceFlinger* flinger, DisplayID display);
-    
     DisplayID           dpy;
     mutable bool        contentDirty;
             Region      visibleRegionScreen;
@@ -125,6 +101,10 @@
 
             void invalidate();
 
+    virtual sp<LayerBaseClient> getLayerBaseClient() const { return 0; }
+
+    virtual const char* getTypeId() const { return "LayerBase"; }
+
     /**
      * draw - performs some global clipping optimizations
      * and calls onDraw().
@@ -199,9 +179,9 @@
     virtual bool needsDithering() const { return false; }
 
     /**
-     * transformed -- true is this surface needs a to be transformed
+     * needsLinearFiltering - true if this surface needs filtering
      */
-    virtual bool transformed() const    { return mTransformed; }
+    virtual bool needsFiltering() const { return mNeedsFiltering; }
 
     /**
      * isSecure - true if this surface is secure, that is if it prevents
@@ -217,7 +197,10 @@
      *  current list */
     virtual void onRemoved() { };
     
-    
+    /** always call base class first */
+    virtual void dump(String8& result, char* scratch, size_t size) const;
+
+
     enum { // flags for doTransaction()
         eVisibleRegion      = 0x00000002,
     };
@@ -241,44 +224,18 @@
     const GraphicPlane& graphicPlane(int dpy) const;
           GraphicPlane& graphicPlane(int dpy);
 
-          GLuint createTexture() const;
-    
-          struct Texture {
-              Texture() : name(-1U), width(0), height(0),
-                  image(EGL_NO_IMAGE_KHR), transform(0), 
-                  NPOTAdjust(false), dirty(true) { }
-              GLuint        name;
-              GLuint        width;
-              GLuint        height;
-              GLuint        potWidth;
-              GLuint        potHeight;
-              GLfloat       wScale;
-              GLfloat       hScale;
-              EGLImageKHR   image;
-              uint32_t      transform;
-              bool          NPOTAdjust;
-              bool          dirty;
-          };
-
-          void clearWithOpenGL(const Region& clip, GLclampx r, GLclampx g,
-                               GLclampx b, GLclampx alpha) const;
+          void clearWithOpenGL(const Region& clip, GLclampf r, GLclampf g,
+                               GLclampf b, GLclampf alpha) const;
           void clearWithOpenGL(const Region& clip) const;
           void drawWithOpenGL(const Region& clip, const Texture& texture) const;
-          void loadTexture(Texture* texture, 
-                  const Region& dirty, const GGLSurface& t) const;
-          status_t initializeEglImage(
-                  const sp<GraphicBuffer>& buffer, Texture* texture);
-
-          bool isSupportedYuvFormat(int format) const;
           
                 sp<SurfaceFlinger> mFlinger;
                 uint32_t        mFlags;
 
                 // cached during validateVisibility()
-                bool            mTransformed;
-                bool            mUseLinearFiltering;
+                bool            mNeedsFiltering;
                 int32_t         mOrientation;
-                GLfixed         mVertices[4][2];
+                GLfloat         mVertices[4][2];
                 Rect            mTransformedBounds;
                 int             mLeft;
                 int             mTop;
@@ -303,7 +260,6 @@
 
 private:
     LayerBase(const LayerBase& rhs);
-    void validateTexture(GLint textureName) const;
 };
 
 
@@ -313,42 +269,25 @@
 {
 public:
     class Surface;
-   static const uint32_t typeInfo;
-    static const char* const typeID;
-    virtual char const* getTypeID() const { return typeID; }
-    virtual uint32_t getTypeInfo() const { return typeInfo; }
 
-    // lcblk is (almost) only accessed from the main SF thread, in the places
-    // where it's not, a reference to Client must be held
-    SharedBufferServer*     lcblk;
-
-    LayerBaseClient(SurfaceFlinger* flinger, DisplayID display, 
-            const sp<Client>& client, int32_t i);
+            LayerBaseClient(SurfaceFlinger* flinger, DisplayID display,
+                        const sp<Client>& client);
     virtual ~LayerBaseClient();
-    virtual void onFirstRef();
 
-    const wp<Client>    client;
-
-    inline  uint32_t    getIdentity() const { return mIdentity; }
-    inline  int32_t     clientIndex() const { return mIndex; }
-            int32_t     serverIndex() const;
-
-   
             sp<Surface> getSurface();
     virtual sp<Surface> createSurface() const;
-    
-    virtual void onRemoved();
+    virtual sp<LayerBaseClient> getLayerBaseClient() const {
+        return const_cast<LayerBaseClient*>(this); }
+    virtual const char* getTypeId() const { return "LayerBaseClient"; }
 
+    uint32_t getIdentity() const { return mIdentity; }
 
-    class Surface : public BnSurface 
-    {
+    class Surface : public BnSurface  {
     public:
-        int32_t getToken() const { return mToken; }
         int32_t getIdentity() const { return mIdentity; }
         
     protected:
-        Surface(const sp<SurfaceFlinger>& flinger, 
-                SurfaceID id, int identity, 
+        Surface(const sp<SurfaceFlinger>& flinger, int identity,
                 const sp<LayerBaseClient>& owner);
         virtual ~Surface();
         virtual status_t onTransact(uint32_t code, const Parcel& data,
@@ -356,7 +295,10 @@
         sp<LayerBaseClient> getOwner() const;
 
     private:
-        virtual sp<GraphicBuffer> requestBuffer(int index, int usage);
+        virtual sp<GraphicBuffer> requestBuffer(int bufferIdx,
+                uint32_t w, uint32_t h, uint32_t format, uint32_t usage);
+        virtual status_t setBufferCount(int bufferCount);
+
         virtual status_t registerBuffers(const ISurface::BufferHeap& buffers); 
         virtual void postBuffer(ssize_t offset);
         virtual void unregisterBuffers();
@@ -366,20 +308,22 @@
     protected:
         friend class LayerBaseClient;
         sp<SurfaceFlinger>  mFlinger;
-        int32_t             mToken;
         int32_t             mIdentity;
         wp<LayerBaseClient> mOwner;
     };
 
     friend class Surface;
 
+protected:
+    virtual void dump(String8& result, char* scratch, size_t size) const;
+
 private:
-                int32_t         mIndex;
-    mutable     Mutex           mLock;
-    mutable     wp<Surface>     mClientSurface;
+    mutable Mutex mLock;
+    mutable wp<Surface> mClientSurface;
+    const wp<Client> mClientRef;
     // only read
-    const       uint32_t        mIdentity;
-    static      int32_t         sIdentity;
+    const uint32_t mIdentity;
+    static int32_t sIdentity;
 };
 
 // ---------------------------------------------------------------------------
diff --git a/libs/surfaceflinger/LayerBlur.cpp b/services/surfaceflinger/LayerBlur.cpp
similarity index 78%
rename from libs/surfaceflinger/LayerBlur.cpp
rename to services/surfaceflinger/LayerBlur.cpp
index 5fd7904..64a43c7 100644
--- a/libs/surfaceflinger/LayerBlur.cpp
+++ b/services/surfaceflinger/LayerBlur.cpp
@@ -33,14 +33,9 @@
 namespace android {
 // ---------------------------------------------------------------------------
 
-const uint32_t LayerBlur::typeInfo = LayerBaseClient::typeInfo | 8;
-const char* const LayerBlur::typeID = "LayerBlur";
-
-// ---------------------------------------------------------------------------
-
 LayerBlur::LayerBlur(SurfaceFlinger* flinger, DisplayID display,
-        const sp<Client>& client, int32_t i)
-    : LayerBaseClient(flinger, display, client, i), mCacheDirty(true),
+        const sp<Client>& client)
+    : LayerBaseClient(flinger, display, client), mCacheDirty(true),
           mRefreshCache(true), mCacheAge(0), mTextureName(-1U),
           mWidthScale(1.0f), mHeightScale(1.0f),
           mBlurFormat(GGL_PIXEL_FORMAT_RGB_565)
@@ -100,7 +95,9 @@
                     mCacheDirty = false;
                 } else {
                     if (!mAutoRefreshPending) {
-                        mFlinger->signalDelayedEvent(ms2ns(500));
+                        mFlinger->postMessageAsync(
+                                new MessageBase(MessageQueue::INVALIDATE),
+                                ms2ns(500));
                         mAutoRefreshPending = true;
                     }
                 }
@@ -149,6 +146,11 @@
     Region::const_iterator it = clip.begin();
     Region::const_iterator const end = clip.end();
     if (it != end) {
+#if defined(GL_OES_texture_external)
+        if (GLExtensions::getInstance().haveTextureExternal()) {
+            glDisable(GL_TEXTURE_EXTERNAL_OES);
+        }
+#endif
         glEnable(GL_TEXTURE_2D);
         glBindTexture(GL_TEXTURE_2D, mTextureName);
 
@@ -181,7 +183,7 @@
             bl.data = (GGLubyte*)pixels;            
             blurFilter(&bl, 8, 2);
 
-            if (mFlags & (DisplayHardware::NPOT_EXTENSION)) {
+            if (GLExtensions::getInstance().haveNpot()) {
                 glTexImage2D(GL_TEXTURE_2D, 0, mReadFormat, w, h, 0,
                         mReadFormat, mReadType, pixels);
                 mWidthScale  = 1.0f / w;
@@ -206,8 +208,8 @@
 
         const State& s = drawingState();
         if (UNLIKELY(s.alpha < 0xFF)) {
-            const GGLfixed alpha = (s.alpha << 16)/255;
-            glColor4x(0, 0, 0, alpha);
+            const GLfloat alpha = s.alpha * (1.0f/255.0f);
+            glColor4f(0, 0, 0, alpha);
             glEnable(GL_BLEND);
             glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
             glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
@@ -225,38 +227,20 @@
         glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
         glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
 
-        if (UNLIKELY(transformed()
-                || !(mFlags & DisplayHardware::DRAW_TEXTURE_EXTENSION) )) {
-            // This is a very rare scenario.
-            glMatrixMode(GL_TEXTURE);
-            glLoadIdentity();
-            glScalef(mWidthScale, mHeightScale, 1);
-            glTranslatef(-x, mYOffset - y, 0);
-            glEnableClientState(GL_TEXTURE_COORD_ARRAY);
-            glVertexPointer(2, GL_FIXED, 0, mVertices);
-            glTexCoordPointer(2, GL_FIXED, 0, mVertices);
-            while (it != end) {
-                const Rect& r = *it++;
-                const GLint sy = fbHeight - (r.top + r.height());
-                glScissor(r.left, sy, r.width(), r.height());
-                glDrawArrays(GL_TRIANGLE_FAN, 0, 4); 
-            }       
-            glDisableClientState(GL_TEXTURE_COORD_ARRAY);
-        } else {
-            // NOTE: this is marginally faster with the software gl, because
-            // glReadPixels() reads the fb bottom-to-top, however we'll
-            // skip all the jaccobian computations.
-            Rect r;
-            GLint crop[4] = { 0, 0, w, h };
-            glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
-            y = fbHeight - (y + h);
-            while (it != end) {
-                const Rect& r = *it++;
-                const GLint sy = fbHeight - (r.top + r.height());
-                glScissor(r.left, sy, r.width(), r.height());
-                glDrawTexiOES(x, y, 0, w, h);
-            }
+        glMatrixMode(GL_TEXTURE);
+        glLoadIdentity();
+        glScalef(mWidthScale, mHeightScale, 1);
+        glTranslatef(-x, mYOffset - y, 0);
+        glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+        glVertexPointer(2, GL_FLOAT, 0, mVertices);
+        glTexCoordPointer(2, GL_FLOAT, 0, mVertices);
+        while (it != end) {
+            const Rect& r = *it++;
+            const GLint sy = fbHeight - (r.top + r.height());
+            glScissor(r.left, sy, r.width(), r.height());
+            glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
         }
+        glDisableClientState(GL_TEXTURE_COORD_ARRAY);
     }
 }
 
diff --git a/libs/surfaceflinger/LayerBlur.h b/services/surfaceflinger/LayerBlur.h
similarity index 87%
rename from libs/surfaceflinger/LayerBlur.h
rename to services/surfaceflinger/LayerBlur.h
index 5b63dec..4c9ec64 100644
--- a/libs/surfaceflinger/LayerBlur.h
+++ b/services/surfaceflinger/LayerBlur.h
@@ -31,18 +31,14 @@
 class LayerBlur : public LayerBaseClient
 {
 public:    
-    static const uint32_t typeInfo;
-    static const char* const typeID;
-    virtual char const* getTypeID() const { return typeID; }
-    virtual uint32_t getTypeInfo() const { return typeInfo; }
-    
                 LayerBlur(SurfaceFlinger* flinger, DisplayID display,
-                        const sp<Client>& client, int32_t i);
+                        const sp<Client>& client);
         virtual ~LayerBlur();
 
     virtual void onDraw(const Region& clip) const;
     virtual bool needsBlending() const  { return true; }
     virtual bool isSecure() const       { return false; }
+    virtual const char* getTypeId() const { return "LayerBlur"; }
 
     virtual uint32_t doTransaction(uint32_t flags);
     virtual void setVisibleRegion(const Region& visibleRegion);
diff --git a/libs/surfaceflinger/LayerBuffer.cpp b/services/surfaceflinger/LayerBuffer.cpp
similarity index 87%
rename from libs/surfaceflinger/LayerBuffer.cpp
rename to services/surfaceflinger/LayerBuffer.cpp
index 5c21593..5f83636 100644
--- a/libs/surfaceflinger/LayerBuffer.cpp
+++ b/services/surfaceflinger/LayerBuffer.cpp
@@ -39,15 +39,13 @@
 
 // ---------------------------------------------------------------------------
 
-const uint32_t LayerBuffer::typeInfo = LayerBaseClient::typeInfo | 0x20;
-const char* const LayerBuffer::typeID = "LayerBuffer";
 gralloc_module_t const* LayerBuffer::sGrallocModule = 0;
 
 // ---------------------------------------------------------------------------
 
 LayerBuffer::LayerBuffer(SurfaceFlinger* flinger, DisplayID display,
-        const sp<Client>& client, int32_t i)
-    : LayerBaseClient(flinger, display, client, i),
+        const sp<Client>& client)
+    : LayerBaseClient(flinger, display, client),
       mNeedsBlending(false), mBlitEngine(0)
 {
 }
@@ -62,8 +60,7 @@
 void LayerBuffer::onFirstRef()
 {
     LayerBaseClient::onFirstRef();
-    mSurface = new SurfaceLayerBuffer(mFlinger, clientIndex(),
-            const_cast<LayerBuffer *>(this));
+    mSurface = new SurfaceLayerBuffer(mFlinger, this);
 
     hw_module_t const* module = (hw_module_t const*)sGrallocModule;
     if (!module) {
@@ -120,7 +117,7 @@
         source->onTransaction(flags);
     uint32_t res = LayerBase::doTransaction(flags);
     // we always want filtering for these surfaces
-    mUseLinearFiltering = !(mFlags & DisplayHardware::SLOW_CONFIG);
+    mNeedsFiltering = !(mFlags & DisplayHardware::SLOW_CONFIG);
     return res;
 }
 
@@ -145,14 +142,6 @@
     }
 }
 
-bool LayerBuffer::transformed() const
-{
-    sp<Source> source(getSource());
-    if (LIKELY(source != 0))
-        return source->transformed();
-    return false;
-}
-
 void LayerBuffer::serverDestroy()
 {
     sp<Source> source(clearSource());
@@ -214,9 +203,9 @@
 // LayerBuffer::SurfaceLayerBuffer
 // ============================================================================
 
-LayerBuffer::SurfaceLayerBuffer::SurfaceLayerBuffer(const sp<SurfaceFlinger>& flinger,
-        SurfaceID id, const sp<LayerBuffer>& owner)
-    : LayerBaseClient::Surface(flinger, id, owner->getIdentity(), owner)
+LayerBuffer::SurfaceLayerBuffer::SurfaceLayerBuffer(
+        const sp<SurfaceFlinger>& flinger, const sp<LayerBuffer>& owner)
+    : LayerBaseClient::Surface(flinger, owner->getIdentity(), owner)
 {
 }
 
@@ -321,16 +310,12 @@
 }
 void LayerBuffer::Source::unregisterBuffers() {
 }
-bool LayerBuffer::Source::transformed() const {
-    return mLayer.mTransformed; 
-}
 
 // ---------------------------------------------------------------------------
 
 LayerBuffer::BufferSource::BufferSource(LayerBuffer& layer,
         const ISurface::BufferHeap& buffers)
-    : Source(layer), mStatus(NO_ERROR), mBufferSize(0),
-      mUseEGLImageDirectly(true)
+    : Source(layer), mStatus(NO_ERROR), mBufferSize(0)
 {
     if (buffers.heap == NULL) {
         // this is allowed, but in this case, it is illegal to receive
@@ -388,11 +373,11 @@
 
     if (mTexture.name != -1U) {
         // GL textures can only be destroyed from the GL thread
-        mLayer.mFlinger->mEventQueue.postMessage(
-                new MessageDestroyTexture(mLayer.mFlinger.get(), mTexture.name) );
+        getFlinger()->mEventQueue.postMessage(
+                new MessageDestroyTexture(getFlinger(), mTexture.name) );
     }
     if (mTexture.image != EGL_NO_IMAGE_KHR) {
-        EGLDisplay dpy(mLayer.mFlinger->graphicPlane(0).getEGLDisplay());
+        EGLDisplay dpy(getFlinger()->graphicPlane(0).getEGLDisplay());
         eglDestroyImageKHR(dpy, mTexture.image);
     }
 }
@@ -444,11 +429,6 @@
     mBuffer = buffer;
 }
 
-bool LayerBuffer::BufferSource::transformed() const
-{
-    return mBufferHeap.transform ? true : Source::transformed(); 
-}
-
 void LayerBuffer::BufferSource::onDraw(const Region& clip) const 
 {
     sp<Buffer> ourBuffer(getBuffer());
@@ -462,35 +442,10 @@
     NativeBuffer src(ourBuffer->getBuffer());
     const Rect transformedBounds(mLayer.getTransformedBounds());
 
-    if (UNLIKELY(mTexture.name == -1LU)) {
-        mTexture.name = mLayer.createTexture();
-    }
-
 #if defined(EGL_ANDROID_image_native_buffer)
-    if (mLayer.mFlags & DisplayHardware::DIRECT_TEXTURE) {
+    if (GLExtensions::getInstance().haveDirectTexture()) {
         err = INVALID_OPERATION;
         if (ourBuffer->supportsCopybit()) {
-
-            // there are constraints on buffers used by the GPU and these may not
-            // be honored here. We need to change the API so the buffers
-            // are allocated with gralloc. For now disable this code-path
-#if 0
-            // First, try to use the buffer as an EGLImage directly
-            if (mUseEGLImageDirectly) {
-                // NOTE: Assume the buffer is allocated with the proper USAGE flags
-
-                sp<GraphicBuffer> buffer = new  GraphicBuffer(
-                        src.img.w, src.img.h, src.img.format,
-                        GraphicBuffer::USAGE_HW_TEXTURE,
-                        src.img.w, src.img.handle, false);
-
-                err = mLayer.initializeEglImage(buffer, &mTexture);
-                if (err != NO_ERROR) {
-                    mUseEGLImageDirectly = false;
-                }
-            }
-#endif
-
             copybit_device_t* copybit = mLayer.mBlitEngine;
             if (copybit && err != NO_ERROR) {
                 // create our EGLImageKHR the first time
@@ -527,7 +482,7 @@
         t.format = src.img.format;
         t.data = (GGLubyte*)src.img.base;
         const Region dirty(Rect(t.width, t.height));
-        mLayer.loadTexture(&mTexture, dirty, t);
+        mTextureManager.loadTexture(&mTexture, dirty, t);
     }
 
     mTexture.transform = mBufferHeap.transform;
@@ -569,7 +524,7 @@
     // figure out if we need linear filtering
     if (buffers.w * h == buffers.h * w) {
         // same pixel area, don't use filtering
-        mLayer.mUseLinearFiltering = false;
+        mLayer.mNeedsFiltering = false;
     }
 
     // Allocate a temporary buffer and create the corresponding EGLImageKHR
@@ -593,7 +548,8 @@
         dst.crop.r = w;
         dst.crop.b = h;
 
-        err = mLayer.initializeEglImage(buffer, &mTexture);
+        EGLDisplay dpy(getFlinger()->graphicPlane(0).getEGLDisplay());
+        err = mTextureManager.initEglImage(&mTexture, dpy, buffer);
     }
 
     return err;
@@ -602,14 +558,13 @@
 void LayerBuffer::BufferSource::clearTempBufferImage() const
 {
     // delete the image
-    EGLDisplay dpy(mLayer.mFlinger->graphicPlane(0).getEGLDisplay());
+    EGLDisplay dpy(getFlinger()->graphicPlane(0).getEGLDisplay());
     eglDestroyImageKHR(dpy, mTexture.image);
 
     // and the associated texture (recreate a name)
     glDeleteTextures(1, &mTexture.name);
     Texture defaultTexture;
     mTexture = defaultTexture;
-    mTexture.name = mLayer.createTexture();
 }
 
 // ---------------------------------------------------------------------------
@@ -620,7 +575,7 @@
     : Source(layer), mVisibilityChanged(false),
     mOverlay(0), mOverlayHandle(0), mOverlayDevice(0), mOrientation(orientation)
 {
-    overlay_control_device_t* overlay_dev = mLayer.mFlinger->getOverlayEngine();
+    overlay_control_device_t* overlay_dev = getFlinger()->getOverlayEngine();
     if (overlay_dev == NULL) {
         // overlays not supported
         return;
@@ -651,7 +606,7 @@
 
     *overlayRef = new OverlayRef(mOverlayHandle, channel,
             mWidth, mHeight, mFormat, mWidthStride, mHeightStride);
-    mLayer.mFlinger->signalEvent();
+    getFlinger()->signalEvent();
 }
 
 LayerBuffer::OverlaySource::~OverlaySource()
@@ -665,9 +620,9 @@
 void LayerBuffer::OverlaySource::onDraw(const Region& clip) const
 {
     // this would be where the color-key would be set, should we need it.
-    GLclampx red = 0;
-    GLclampx green = 0;
-    GLclampx blue = 0;
+    GLclampf red = 0;
+    GLclampf green = 0;
+    GLclampf blue = 0;
     mLayer.clearWithOpenGL(clip, red, green, blue, 0);
 }
 
diff --git a/libs/surfaceflinger/LayerBuffer.h b/services/surfaceflinger/LayerBuffer.h
similarity index 92%
rename from libs/surfaceflinger/LayerBuffer.h
rename to services/surfaceflinger/LayerBuffer.h
index b176623..1c0bf83 100644
--- a/libs/surfaceflinger/LayerBuffer.h
+++ b/services/surfaceflinger/LayerBuffer.h
@@ -21,6 +21,7 @@
 #include <sys/types.h>
 
 #include "LayerBase.h"
+#include "TextureManager.h"
 
 struct copybit_device_t;
 
@@ -45,31 +46,26 @@
         virtual void onVisibilityResolved(const Transform& planeTransform);
         virtual void postBuffer(ssize_t offset);
         virtual void unregisterBuffers();
-        virtual bool transformed() const;
         virtual void destroy() { }
+        SurfaceFlinger* getFlinger() const { return mLayer.mFlinger.get(); }
     protected:
         LayerBuffer& mLayer;
     };
 
 public:
-    static const uint32_t typeInfo;
-    static const char* const typeID;
-    virtual char const* getTypeID() const { return typeID; }
-    virtual uint32_t getTypeInfo() const { return typeInfo; }
-
             LayerBuffer(SurfaceFlinger* flinger, DisplayID display,
-                    const sp<Client>& client, int32_t i);
+                    const sp<Client>& client);
         virtual ~LayerBuffer();
 
     virtual void onFirstRef();
     virtual bool needsBlending() const;
+    virtual const char* getTypeId() const { return "LayerBuffer"; }
 
     virtual sp<LayerBaseClient::Surface> createSurface() const;
     virtual status_t ditch();
     virtual void onDraw(const Region& clip) const;
     virtual uint32_t doTransaction(uint32_t flags);
     virtual void unlockPageFlip(const Transform& planeTransform, Region& outDirtyRegion);
-    virtual bool transformed() const;
 
     status_t registerBuffers(const ISurface::BufferHeap& buffers);
     void postBuffer(ssize_t offset);
@@ -133,7 +129,6 @@
         virtual void onDraw(const Region& clip) const;
         virtual void postBuffer(ssize_t offset);
         virtual void unregisterBuffers();
-        virtual bool transformed() const;
         virtual void destroy() { }
     private:
         status_t initTempBuffer() const;
@@ -143,9 +138,9 @@
         status_t                        mStatus;
         ISurface::BufferHeap            mBufferHeap;
         size_t                          mBufferSize;
-        mutable LayerBase::Texture      mTexture;
+        mutable Texture                 mTexture;
         mutable NativeBuffer            mTempBuffer;
-        mutable bool                    mUseEGLImageDirectly;
+        mutable TextureManager          mTextureManager;
     };
     
     class OverlaySource : public Source {
@@ -195,7 +190,7 @@
     {
     public:
         SurfaceLayerBuffer(const sp<SurfaceFlinger>& flinger,
-                        SurfaceID id, const sp<LayerBuffer>& owner);
+                        const sp<LayerBuffer>& owner);
         virtual ~SurfaceLayerBuffer();
 
         virtual status_t registerBuffers(const ISurface::BufferHeap& buffers);
diff --git a/services/surfaceflinger/LayerDim.cpp b/services/surfaceflinger/LayerDim.cpp
new file mode 100644
index 0000000..a1f339e
--- /dev/null
+++ b/services/surfaceflinger/LayerDim.cpp
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/Log.h>
+
+#include <ui/GraphicBuffer.h>
+
+#include "LayerDim.h"
+#include "SurfaceFlinger.h"
+#include "DisplayHardware/DisplayHardware.h"
+
+namespace android {
+// ---------------------------------------------------------------------------
+
+bool LayerDim::sUseTexture;
+GLuint LayerDim::sTexId;
+EGLImageKHR LayerDim::sImage;
+int32_t LayerDim::sWidth;
+int32_t LayerDim::sHeight;
+
+// ---------------------------------------------------------------------------
+
+LayerDim::LayerDim(SurfaceFlinger* flinger, DisplayID display,
+        const sp<Client>& client)
+    : LayerBaseClient(flinger, display, client)
+{
+}
+
+void LayerDim::initDimmer(SurfaceFlinger* flinger, uint32_t w, uint32_t h)
+{
+    sTexId = -1;
+    sImage = EGL_NO_IMAGE_KHR;
+    sWidth = w;
+    sHeight = h;
+    sUseTexture = false;
+}
+
+LayerDim::~LayerDim()
+{
+}
+
+void LayerDim::onDraw(const Region& clip) const
+{
+    const State& s(drawingState());
+    Region::const_iterator it = clip.begin();
+    Region::const_iterator const end = clip.end();
+    if (s.alpha>0 && (it != end)) {
+        const DisplayHardware& hw(graphicPlane(0).displayHardware());
+        const GLfloat alpha = s.alpha/255.0f;
+        const uint32_t fbHeight = hw.getHeight();
+        glDisable(GL_DITHER);
+        glEnable(GL_BLEND);
+        glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
+        glColor4f(0, 0, 0, alpha);
+
+#if defined(GL_OES_texture_external)
+        if (GLExtensions::getInstance().haveTextureExternal()) {
+            glDisable(GL_TEXTURE_EXTERNAL_OES);
+        }
+#endif
+        glDisable(GL_TEXTURE_2D);
+
+        GLshort w = sWidth;
+        GLshort h = sHeight;
+        const GLshort vertices[4][2] = {
+                { 0, 0 },
+                { 0, h },
+                { w, h },
+                { w, 0 }
+        };
+        glVertexPointer(2, GL_SHORT, 0, vertices);
+
+        while (it != end) {
+            const Rect& r = *it++;
+            const GLint sy = fbHeight - (r.top + r.height());
+            glScissor(r.left, sy, r.width(), r.height());
+            glDrawArrays(GL_TRIANGLE_FAN, 0, 4); 
+        }
+    }
+    glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+}
+
+// ---------------------------------------------------------------------------
+
+}; // namespace android
diff --git a/libs/surfaceflinger/LayerDim.h b/services/surfaceflinger/LayerDim.h
similarity index 85%
rename from libs/surfaceflinger/LayerDim.h
rename to services/surfaceflinger/LayerDim.h
index d4672a1..f032314 100644
--- a/libs/surfaceflinger/LayerDim.h
+++ b/services/surfaceflinger/LayerDim.h
@@ -37,18 +37,14 @@
     static int32_t sWidth;
     static int32_t sHeight;
 public:    
-    static const uint32_t typeInfo;
-    static const char* const typeID;
-    virtual char const* getTypeID() const { return typeID; }
-    virtual uint32_t getTypeInfo() const { return typeInfo; }
-    
                 LayerDim(SurfaceFlinger* flinger, DisplayID display,
-                        const sp<Client>& client, int32_t i);
+                        const sp<Client>& client);
         virtual ~LayerDim();
 
     virtual void onDraw(const Region& clip) const;
     virtual bool needsBlending() const  { return true; }
     virtual bool isSecure() const       { return false; }
+    virtual const char* getTypeId() const { return "LayerDim"; }
 
     static void initDimmer(SurfaceFlinger* flinger, uint32_t w, uint32_t h);
 };
diff --git a/libs/surfaceflinger/MODULE_LICENSE_APACHE2 b/services/surfaceflinger/MODULE_LICENSE_APACHE2
similarity index 100%
rename from libs/surfaceflinger/MODULE_LICENSE_APACHE2
rename to services/surfaceflinger/MODULE_LICENSE_APACHE2
diff --git a/libs/surfaceflinger/MessageQueue.cpp b/services/surfaceflinger/MessageQueue.cpp
similarity index 92%
rename from libs/surfaceflinger/MessageQueue.cpp
rename to services/surfaceflinger/MessageQueue.cpp
index b43d801..d668e88 100644
--- a/libs/surfaceflinger/MessageQueue.cpp
+++ b/services/surfaceflinger/MessageQueue.cpp
@@ -60,9 +60,9 @@
 {
 }
 
-MessageList::value_type MessageQueue::waitMessage(nsecs_t timeout)
+sp<MessageBase> MessageQueue::waitMessage(nsecs_t timeout)
 {
-    MessageList::value_type result;
+    sp<MessageBase> result;
 
     bool again;
     do {
@@ -132,6 +132,7 @@
         if (again) {
             // the message has been processed. release our reference to it
             // without holding the lock.
+            result->notify();
             result = 0;
         }
         
@@ -141,7 +142,7 @@
 }
 
 status_t MessageQueue::postMessage(
-        const MessageList::value_type& message, nsecs_t relTime, uint32_t flags)
+        const sp<MessageBase>& message, nsecs_t relTime, uint32_t flags)
 {
     return queueMessage(message, relTime, flags);
 }
@@ -154,7 +155,7 @@
 }
 
 status_t MessageQueue::queueMessage(
-        const MessageList::value_type& message, nsecs_t relTime, uint32_t flags)
+        const sp<MessageBase>& message, nsecs_t relTime, uint32_t flags)
 {
     Mutex::Autolock _l(mLock);
     message->when = systemTime() + relTime;
@@ -167,13 +168,13 @@
     return NO_ERROR;
 }
 
-void MessageQueue::dump(const MessageList::value_type& message)
+void MessageQueue::dump(const sp<MessageBase>& message)
 {
     Mutex::Autolock _l(mLock);
     dumpLocked(message);
 }
 
-void MessageQueue::dumpLocked(const MessageList::value_type& message)
+void MessageQueue::dumpLocked(const sp<MessageBase>& message)
 {
     LIST::const_iterator cur(mMessages.begin());
     LIST::const_iterator end(mMessages.end());
diff --git a/libs/surfaceflinger/MessageQueue.h b/services/surfaceflinger/MessageQueue.h
similarity index 77%
rename from libs/surfaceflinger/MessageQueue.h
rename to services/surfaceflinger/MessageQueue.h
index dc8138d..890f809 100644
--- a/libs/surfaceflinger/MessageQueue.h
+++ b/services/surfaceflinger/MessageQueue.h
@@ -25,6 +25,7 @@
 #include <utils/Timers.h>
 #include <utils/List.h>
 
+#include "Barrier.h"
 
 namespace android {
 
@@ -37,7 +38,6 @@
     List< sp<MessageBase> > mList;
     typedef List< sp<MessageBase> > LIST;
 public:
-    typedef sp<MessageBase> value_type;
     inline LIST::iterator begin()                { return mList.begin(); }
     inline LIST::const_iterator begin() const    { return mList.begin(); }
     inline LIST::iterator end()                  { return mList.end(); }
@@ -63,11 +63,19 @@
     
     // return true if message has a handler
     virtual bool handler() { return false; }
+
+    // waits for the handler to be processed
+    void wait() const { barrier.wait(); }
     
+    // releases all waiters. this is done automatically if
+    // handler returns true
+    void notify() const { barrier.open(); }
+
 protected:
     virtual ~MessageBase() { }
 
 private:
+    mutable Barrier barrier;
     friend class LightRefBase<MessageBase>;
 };
 
@@ -82,42 +90,33 @@
     typedef List< sp<MessageBase> > LIST;
 public:
 
-    // this is a work-around the multichar constant warning. A macro would
-    // work too, but would pollute the namespace.
-    template <int a, int b, int c, int d>
-    struct WHAT {
-        static const uint32_t Value = 
-            (uint32_t(a&0xff)<<24)|(uint32_t(b&0xff)<<16)|
-            (uint32_t(c&0xff)<<8)|uint32_t(d&0xff);
-    };
-    
     MessageQueue();
     ~MessageQueue();
 
     // pre-defined messages
     enum {
-        INVALIDATE = WHAT<'_','p','d','t'>::Value
+        INVALIDATE = '_upd'
     };
 
-    MessageList::value_type waitMessage(nsecs_t timeout = -1);
+    sp<MessageBase> waitMessage(nsecs_t timeout = -1);
     
-    status_t postMessage(const MessageList::value_type& message, 
+    status_t postMessage(const sp<MessageBase>& message,
             nsecs_t reltime=0, uint32_t flags = 0);
-        
+
     status_t invalidate();
     
-    void dump(const MessageList::value_type& message);
+    void dump(const sp<MessageBase>& message);
 
 private:
-    status_t queueMessage(const MessageList::value_type& message,
+    status_t queueMessage(const sp<MessageBase>& message,
             nsecs_t reltime, uint32_t flags);
-    void dumpLocked(const MessageList::value_type& message);
+    void dumpLocked(const sp<MessageBase>& message);
     
     Mutex           mLock;
     Condition       mCondition;
     MessageList     mMessages;
     bool            mInvalidate;
-    MessageList::value_type mInvalidateMessage;
+    sp<MessageBase> mInvalidateMessage;
 };
 
 // ---------------------------------------------------------------------------
diff --git a/libs/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
similarity index 81%
rename from libs/surfaceflinger/SurfaceFlinger.cpp
rename to services/surfaceflinger/SurfaceFlinger.cpp
index 0722fda..3167c4c 100644
--- a/libs/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -44,6 +44,7 @@
 #include <GLES/gl.h>
 
 #include "clz.h"
+#include "GLExtensions.h"
 #include "Layer.h"
 #include "LayerBlur.h"
 #include "LayerBuffer.h"
@@ -62,20 +63,6 @@
 #define DISPLAY_COUNT       1
 
 namespace android {
-
-// ---------------------------------------------------------------------------
-
-void SurfaceFlinger::instantiate() {
-    defaultServiceManager()->addService(
-            String16("SurfaceFlinger"), new SurfaceFlinger());
-}
-
-void SurfaceFlinger::shutdown() {
-    // we should unregister here, but not really because
-    // when (if) the service manager goes away, all the services
-    // it has a reference to will leave too.
-}
-
 // ---------------------------------------------------------------------------
 
 SurfaceFlinger::LayerVector::LayerVector(const SurfaceFlinger::LayerVector& rhs)
@@ -206,8 +193,8 @@
     property_get("debug.sf.showbackground", value, "0");
     mDebugBackground = atoi(value);
 
-    LOGI_IF(mDebugRegion,           "showupdates enabled");
-    LOGI_IF(mDebugBackground,       "showbackground enabled");
+    LOGI_IF(mDebugRegion,       "showupdates enabled");
+    LOGI_IF(mDebugBackground,   "showbackground enabled");
 }
 
 SurfaceFlinger::~SurfaceFlinger()
@@ -225,56 +212,29 @@
     return mServerHeap;
 }
 
-sp<ISurfaceFlingerClient> SurfaceFlinger::createConnection()
+sp<ISurfaceComposerClient> SurfaceFlinger::createConnection()
 {
-    Mutex::Autolock _l(mStateLock);
-    uint32_t token = mTokens.acquire();
-
-    sp<Client> client = new Client(token, this);
-    if (client->ctrlblk == 0) {
-        mTokens.release(token);
-        return 0;
+    sp<ISurfaceComposerClient> bclient;
+    sp<Client> client(new Client(this));
+    status_t err = client->initCheck();
+    if (err == NO_ERROR) {
+        bclient = client;
     }
-    status_t err = mClientsMap.add(token, client);
-    if (err < 0) {
-        mTokens.release(token);
-        return 0;
-    }
-    sp<BClient> bclient =
-        new BClient(this, token, client->getControlBlockMemory());
     return bclient;
 }
 
-void SurfaceFlinger::destroyConnection(ClientID cid)
+sp<ISurfaceComposerClient> SurfaceFlinger::createClientConnection()
 {
-    Mutex::Autolock _l(mStateLock);
-    sp<Client> client = mClientsMap.valueFor(cid);
-    if (client != 0) {
-        // free all the layers this client owns
-        Vector< wp<LayerBaseClient> > layers(client->getLayers());
-        const size_t count = layers.size();
-        for (size_t i=0 ; i<count ; i++) {
-            sp<LayerBaseClient> layer(layers[i].promote());
-            if (layer != 0) {
-                purgatorizeLayer_l(layer);
-            }
-        }
-
-        // the resources associated with this client will be freed
-        // during the next transaction, after these surfaces have been
-        // properly removed from the screen
-
-        // remove this client from our ClientID->Client mapping.
-        mClientsMap.removeItem(cid);
-
-        // and add it to the list of disconnected clients
-        mDisconnectedClients.add(client);
-
-        // request a transaction
-        setTransactionFlags(eTransactionNeeded);
+    sp<ISurfaceComposerClient> bclient;
+    sp<UserClient> client(new UserClient(this));
+    status_t err = client->initCheck();
+    if (err == NO_ERROR) {
+        bclient = client;
     }
+    return bclient;
 }
 
+
 const GraphicPlane& SurfaceFlinger::graphicPlane(int dpy) const
 {
     LOGE_IF(uint32_t(dpy) >= DISPLAY_COUNT, "Invalid DisplayID %d", dpy);
@@ -357,16 +317,8 @@
     dcblk->ydpi         = hw.getDpiY();
     dcblk->fps          = hw.getRefreshRate();
     dcblk->density      = hw.getDensity();
-    asm volatile ("":::"memory");
 
     // Initialize OpenGL|ES
-    glActiveTexture(GL_TEXTURE0);
-    glBindTexture(GL_TEXTURE_2D, 0);
-    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-    glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
     glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
     glPixelStorei(GL_PACK_ALIGNMENT, 4); 
     glEnableClientState(GL_VERTEX_ARRAY);
@@ -427,7 +379,7 @@
             timeout = waitTime>0 ? waitTime : 0;
         }
 
-        MessageList::value_type msg = mEventQueue.waitMessage(timeout);
+        sp<MessageBase> msg = mEventQueue.waitMessage(timeout);
 
         // see if we timed out
         if (isFrozen()) {
@@ -462,9 +414,20 @@
     const_cast<SurfaceFlinger*>(this)->signalEvent();
 }
 
-void SurfaceFlinger::signalDelayedEvent(nsecs_t delay)
+status_t SurfaceFlinger::postMessageAsync(const sp<MessageBase>& msg,
+        nsecs_t reltime, uint32_t flags)
 {
-    mEventQueue.postMessage( new MessageBase(MessageQueue::INVALIDATE), delay);
+    return mEventQueue.postMessage(msg, reltime, flags);
+}
+
+status_t SurfaceFlinger::postMessageSync(const sp<MessageBase>& msg,
+        nsecs_t reltime, uint32_t flags)
+{
+    status_t res = mEventQueue.postMessage(msg, reltime, flags);
+    if (res == NO_ERROR) {
+        msg->wait();
+    }
+    return res;
 }
 
 // ----------------------------------------------------------------------------
@@ -655,10 +618,6 @@
                 }
             }
         }
-
-        // get rid of all resources we don't need anymore
-        // (layers and clients)
-        free_resources_l();
     }
 
     commitTransaction();
@@ -805,7 +764,8 @@
 void SurfaceFlinger::handlePageFlip()
 {
     bool visibleRegions = mVisibleRegionsDirty;
-    LayerVector& currentLayers = const_cast<LayerVector&>(mDrawingState.layersSortedByZ);
+    LayerVector& currentLayers = const_cast<LayerVector&>(
+            mDrawingState.layersSortedByZ);
     visibleRegions |= lockPageFlip(currentLayers);
 
         const DisplayHardware& hw = graphicPlane(0).displayHardware();
@@ -827,7 +787,7 @@
     size_t count = currentLayers.size();
     sp<LayerBase> const* layers = currentLayers.array();
     for (size_t i=0 ; i<count ; i++) {
-        const sp<LayerBase>& layer = layers[i];
+        const sp<LayerBase>& layer(layers[i]);
         layer->lockPageFlip(recomputeVisibleRegions);
     }
     return recomputeVisibleRegions;
@@ -840,7 +800,7 @@
     size_t count = currentLayers.size();
     sp<LayerBase> const* layers = currentLayers.array();
     for (size_t i=0 ; i<count ; i++) {
-        const sp<LayerBase>& layer = layers[i];
+        const sp<LayerBase>& layer(layers[i]);
         layer->unlockPageFlip(planeTransform, mDirtyRegion);
     }
 }
@@ -872,7 +832,7 @@
         // takes a rectangle, we must make sure to update that whole
         // rectangle in that case
         if (flags & DisplayHardware::SWAP_RECTANGLE) {
-            // FIXME: we really should be able to pass a region to
+            // TODO: we really should be able to pass a region to
             // SWAP_RECTANGLE so that we don't have to redraw all this.
             mDirtyRegion.set(mInvalidRegion.bounds());
         } else {
@@ -938,17 +898,18 @@
 
 void SurfaceFlinger::debugFlashRegions()
 {
-     const DisplayHardware& hw(graphicPlane(0).displayHardware());
-     const uint32_t flags = hw.getFlags();
+    const DisplayHardware& hw(graphicPlane(0).displayHardware());
+    const uint32_t flags = hw.getFlags();
 
-     if (!((flags & DisplayHardware::SWAP_RECTANGLE) ||
-             (flags & DisplayHardware::BUFFER_PRESERVED))) {
-         const Region repaint((flags & DisplayHardware::PARTIAL_UPDATES) ?
-                 mDirtyRegion.bounds() : hw.bounds());
-         composeSurfaces(repaint);
-     }
-    
-    glDisable(GL_TEXTURE_2D);
+    if (!((flags & DisplayHardware::SWAP_RECTANGLE) ||
+            (flags & DisplayHardware::BUFFER_PRESERVED))) {
+        const Region repaint((flags & DisplayHardware::PARTIAL_UPDATES) ?
+                mDirtyRegion.bounds() : hw.bounds());
+        composeSurfaces(repaint);
+    }
+
+    TextureManager::deactivateTextures();
+
     glDisable(GL_BLEND);
     glDisable(GL_DITHER);
     glDisable(GL_SCISSOR_TEST);
@@ -956,9 +917,9 @@
     static int toggle = 0;
     toggle = 1 - toggle;
     if (toggle) {
-        glColor4x(0x10000, 0, 0x10000, 0x10000);
+        glColor4f(1, 0, 1, 1);
     } else {
-        glColor4x(0x10000, 0x10000, 0, 0x10000);
+        glColor4f(1, 1, 0, 1);
     }
 
     Region::const_iterator it = mDirtyRegion.begin();
@@ -974,7 +935,7 @@
         glVertexPointer(2, GL_FLOAT, 0, vertices);
         glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
     }
-    
+
     if (mInvalidRegion.isEmpty()) {
         mDirtyRegion.dump("mDirtyRegion");
         mInvalidRegion.dump("mInvalidRegion");
@@ -982,7 +943,7 @@
     hw.flip(mInvalidRegion);
 
     if (mDebugRegion > 1)
-       usleep(mDebugRegion * 1000);
+        usleep(mDebugRegion * 1000);
 
     glEnable(GL_SCISSOR_TEST);
     //mDirtyRegion.dump("mDirtyRegion");
@@ -1002,7 +963,7 @@
     glDisable(GL_DITHER);
 
     if (LIKELY(!mDebugBackground)) {
-        glClearColorx(0,0,0,0);
+        glClearColor(0,0,0,0);
         Region::const_iterator it = region.begin();
         Region::const_iterator const end = region.end();
         while (it != end) {
@@ -1018,6 +979,11 @@
         glVertexPointer(2, GL_SHORT, 0, vertices);
         glTexCoordPointer(2, GL_SHORT, 0, tcoords);
         glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+#if defined(GL_OES_texture_external)
+        if (GLExtensions::getInstance().haveTextureExternal()) {
+            glDisable(GL_TEXTURE_EXTERNAL_OES);
+        }
+#endif
         glEnable(GL_TEXTURE_2D);
         glBindTexture(GL_TEXTURE_2D, mWormholeTexName);
         glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
@@ -1061,6 +1027,27 @@
     return NO_ERROR;
 }
 
+status_t SurfaceFlinger::addLayer_l(const sp<LayerBase>& layer)
+{
+    ssize_t i = mCurrentState.layersSortedByZ.add(
+                layer, &LayerBase::compareCurrentStateZ);
+    return (i < 0) ? status_t(i) : status_t(NO_ERROR);
+}
+
+ssize_t SurfaceFlinger::addClientLayer(const sp<Client>& client,
+        const sp<LayerBaseClient>& lbc)
+{
+    Mutex::Autolock _l(mStateLock);
+
+    // attach this layer to the client
+    ssize_t name = client->attachLayer(lbc);
+
+    // add this layer to the current state list
+    addLayer_l(lbc);
+
+    return name;
+}
+
 status_t SurfaceFlinger::removeLayer(const sp<LayerBase>& layer)
 {
     Mutex::Autolock _l(mStateLock);
@@ -1070,36 +1057,15 @@
     return err;
 }
 
-status_t SurfaceFlinger::invalidateLayerVisibility(const sp<LayerBase>& layer)
-{
-    layer->forceVisibilityTransaction();
-    setTransactionFlags(eTraversalNeeded);
-    return NO_ERROR;
-}
-
-status_t SurfaceFlinger::addLayer_l(const sp<LayerBase>& layer)
-{
-    if (layer == 0)
-        return BAD_VALUE;
-    ssize_t i = mCurrentState.layersSortedByZ.add(
-                layer, &LayerBase::compareCurrentStateZ);
-    sp<LayerBaseClient> lbc = LayerBase::dynamicCast< LayerBaseClient* >(layer.get());
-    if (lbc != 0) {
-        mLayerMap.add(lbc->serverIndex(), lbc);
-    }
-    return NO_ERROR;
-}
-
 status_t SurfaceFlinger::removeLayer_l(const sp<LayerBase>& layerBase)
 {
+    sp<LayerBaseClient> lbc(layerBase->getLayerBaseClient());
+    if (lbc != 0) {
+        mLayerMap.removeItem( lbc->getSurface()->asBinder() );
+    }
     ssize_t index = mCurrentState.layersSortedByZ.remove(layerBase);
     if (index >= 0) {
         mLayersRemoved = true;
-        sp<LayerBaseClient> layer =
-            LayerBase::dynamicCast< LayerBaseClient* >(layerBase.get());
-        if (layer != 0) {
-            mLayerMap.removeItem(layer->serverIndex());
-        }
         return NO_ERROR;
     }
     return status_t(index);
@@ -1114,22 +1080,16 @@
 
     // it's possible that we don't find a layer, because it might
     // have been destroyed already -- this is not technically an error
-    // from the user because there is a race between BClient::destroySurface(),
-    // ~BClient() and ~ISurface().
+    // from the user because there is a race between Client::destroySurface(),
+    // ~Client() and ~ISurface().
     return (err == NAME_NOT_FOUND) ? status_t(NO_ERROR) : err;
 }
 
-
-void SurfaceFlinger::free_resources_l()
+status_t SurfaceFlinger::invalidateLayerVisibility(const sp<LayerBase>& layer)
 {
-    // free resources associated with disconnected clients
-    Vector< sp<Client> >& disconnectedClients(mDisconnectedClients);
-    const size_t count = disconnectedClients.size();
-    for (size_t i=0 ; i<count ; i++) {
-        sp<Client> client = disconnectedClients[i];
-        mTokens.release(client->cid);
-    }
-    disconnectedClients.clear();
+    layer->forceVisibilityTransaction();
+    setTransactionFlags(eTraversalNeeded);
+    return NO_ERROR;
 }
 
 uint32_t SurfaceFlinger::getTransactionFlags(uint32_t flags)
@@ -1137,15 +1097,11 @@
     return android_atomic_and(~flags, &mTransactionFlags) & flags;
 }
 
-uint32_t SurfaceFlinger::setTransactionFlags(uint32_t flags, nsecs_t delay)
+uint32_t SurfaceFlinger::setTransactionFlags(uint32_t flags)
 {
     uint32_t old = android_atomic_or(flags, &mTransactionFlags);
     if ((old & flags)==0) { // wake the server up
-        if (delay > 0) {
-            signalDelayedEvent(delay);
-        } else {
-            signalEvent();
-        }
+        signalEvent();
     }
     return old;
 }
@@ -1224,8 +1180,8 @@
     return orientation;
 }
 
-sp<ISurface> SurfaceFlinger::createSurface(ClientID clientId, int pid,
-        const String8& name, ISurfaceFlingerClient::surface_data_t* params,
+sp<ISurface> SurfaceFlinger::createSurface(const sp<Client>& client, int pid,
+        const String8& name, ISurfaceComposerClient::surface_data_t* params,
         DisplayID d, uint32_t w, uint32_t h, PixelFormat format,
         uint32_t flags)
 {
@@ -1238,57 +1194,52 @@
         return surfaceHandle;
     }
     
-    Mutex::Autolock _l(mStateLock);
-    sp<Client> client = mClientsMap.valueFor(clientId);
-    if (UNLIKELY(client == 0)) {
-        LOGE("createSurface() failed, client not found (id=%d)", clientId);
-        return surfaceHandle;
-    }
-
     //LOGD("createSurface for pid %d (%d x %d)", pid, w, h);
-    int32_t id = client->generateId(pid);
-    if (uint32_t(id) >= NUM_LAYERS_MAX) {
-        LOGE("createSurface() failed, generateId = %d", id);
-        return surfaceHandle;
-    }
-
+    sp<Layer> normalLayer;
     switch (flags & eFXSurfaceMask) {
         case eFXSurfaceNormal:
             if (UNLIKELY(flags & ePushBuffers)) {
-                layer = createPushBuffersSurfaceLocked(client, d, id,
-                        w, h, flags);
+                layer = createPushBuffersSurface(client, d, w, h, flags);
             } else {
-                layer = createNormalSurfaceLocked(client, d, id,
-                        w, h, flags, format);
+                normalLayer = createNormalSurface(client, d, w, h, flags, format);
+                layer = normalLayer;
             }
             break;
         case eFXSurfaceBlur:
-            layer = createBlurSurfaceLocked(client, d, id, w, h, flags);
+            layer = createBlurSurface(client, d, w, h, flags);
             break;
         case eFXSurfaceDim:
-            layer = createDimSurfaceLocked(client, d, id, w, h, flags);
+            layer = createDimSurface(client, d, w, h, flags);
             break;
     }
 
     if (layer != 0) {
+        layer->initStates(w, h, flags);
         layer->setName(name);
-        setTransactionFlags(eTransactionNeeded);
+        ssize_t token = addClientLayer(client, layer);
+
         surfaceHandle = layer->getSurface();
         if (surfaceHandle != 0) { 
-            params->token = surfaceHandle->getToken();
+            params->token = token;
             params->identity = surfaceHandle->getIdentity();
             params->width = w;
             params->height = h;
             params->format = format;
+            if (normalLayer != 0) {
+                Mutex::Autolock _l(mStateLock);
+                mLayerMap.add(surfaceHandle->asBinder(), normalLayer);
+            }
         }
+
+        setTransactionFlags(eTransactionNeeded);
     }
 
     return surfaceHandle;
 }
 
-sp<LayerBaseClient> SurfaceFlinger::createNormalSurfaceLocked(
+sp<Layer> SurfaceFlinger::createNormalSurface(
         const sp<Client>& client, DisplayID display,
-        int32_t id, uint32_t w, uint32_t h, uint32_t flags,
+        uint32_t w, uint32_t h, uint32_t flags,
         PixelFormat& format)
 {
     // initialize the surfaces
@@ -1298,53 +1249,56 @@
         format = PIXEL_FORMAT_RGBA_8888;
         break;
     case PIXEL_FORMAT_OPAQUE:
+#ifdef NO_RGBX_8888
         format = PIXEL_FORMAT_RGB_565;
+#else
+        format = PIXEL_FORMAT_RGBX_8888;
+#endif
         break;
     }
 
-    sp<Layer> layer = new Layer(this, display, client, id);
+#ifdef NO_RGBX_8888
+    if (format == PIXEL_FORMAT_RGBX_8888)
+        format = PIXEL_FORMAT_RGBA_8888;
+#endif
+
+    sp<Layer> layer = new Layer(this, display, client);
     status_t err = layer->setBuffers(w, h, format, flags);
-    if (LIKELY(err == NO_ERROR)) {
-        layer->initStates(w, h, flags);
-        addLayer_l(layer);
-    } else {
+    if (LIKELY(err != NO_ERROR)) {
         LOGE("createNormalSurfaceLocked() failed (%s)", strerror(-err));
         layer.clear();
     }
     return layer;
 }
 
-sp<LayerBaseClient> SurfaceFlinger::createBlurSurfaceLocked(
+sp<LayerBlur> SurfaceFlinger::createBlurSurface(
         const sp<Client>& client, DisplayID display,
-        int32_t id, uint32_t w, uint32_t h, uint32_t flags)
+        uint32_t w, uint32_t h, uint32_t flags)
 {
-    sp<LayerBlur> layer = new LayerBlur(this, display, client, id);
+    sp<LayerBlur> layer = new LayerBlur(this, display, client);
     layer->initStates(w, h, flags);
-    addLayer_l(layer);
     return layer;
 }
 
-sp<LayerBaseClient> SurfaceFlinger::createDimSurfaceLocked(
+sp<LayerDim> SurfaceFlinger::createDimSurface(
         const sp<Client>& client, DisplayID display,
-        int32_t id, uint32_t w, uint32_t h, uint32_t flags)
+        uint32_t w, uint32_t h, uint32_t flags)
 {
-    sp<LayerDim> layer = new LayerDim(this, display, client, id);
+    sp<LayerDim> layer = new LayerDim(this, display, client);
     layer->initStates(w, h, flags);
-    addLayer_l(layer);
     return layer;
 }
 
-sp<LayerBaseClient> SurfaceFlinger::createPushBuffersSurfaceLocked(
+sp<LayerBuffer> SurfaceFlinger::createPushBuffersSurface(
         const sp<Client>& client, DisplayID display,
-        int32_t id, uint32_t w, uint32_t h, uint32_t flags)
+        uint32_t w, uint32_t h, uint32_t flags)
 {
-    sp<LayerBuffer> layer = new LayerBuffer(this, display, client, id);
+    sp<LayerBuffer> layer = new LayerBuffer(this, display, client);
     layer->initStates(w, h, flags);
-    addLayer_l(layer);
     return layer;
 }
 
-status_t SurfaceFlinger::removeSurface(SurfaceID index)
+status_t SurfaceFlinger::removeSurface(const sp<Client>& client, SurfaceID sid)
 {
     /*
      * called by the window manager, when a surface should be marked for
@@ -1357,7 +1311,7 @@
 
     status_t err = NAME_NOT_FOUND;
     Mutex::Autolock _l(mStateLock);
-    sp<LayerBaseClient> layer = getLayerUser_l(index);
+    sp<LayerBaseClient> layer = client->getLayerUser(sid);
     if (layer != 0) {
         err = purgatorizeLayer_l(layer);
         if (err == NO_ERROR) {
@@ -1397,21 +1351,20 @@
         }
     };
 
-    mEventQueue.postMessage( new MessageDestroySurface(this, layer) );
+    postMessageAsync( new MessageDestroySurface(this, layer) );
     return NO_ERROR;
 }
 
 status_t SurfaceFlinger::setClientState(
-        ClientID cid,
+        const sp<Client>& client,
         int32_t count,
         const layer_state_t* states)
 {
     Mutex::Autolock _l(mStateLock);
     uint32_t flags = 0;
-    cid <<= 16;
     for (int i=0 ; i<count ; i++) {
-        const layer_state_t& s = states[i];
-        sp<LayerBaseClient> layer(getLayerUser_l(s.surface | cid));
+        const layer_state_t& s(states[i]);
+        sp<LayerBaseClient> layer(client->getLayerUser(s.surface));
         if (layer != 0) {
             const uint32_t what = s.what;
             if (what & ePositionChanged) {
@@ -1457,12 +1410,6 @@
     return NO_ERROR;
 }
 
-sp<LayerBaseClient> SurfaceFlinger::getLayerUser_l(SurfaceID s) const
-{
-    sp<LayerBaseClient> layer = mLayerMap.valueFor(s);
-    return layer;
-}
-
 void SurfaceFlinger::screenReleased(int dpy)
 {
     // this may be called by a signal handler, we can't do too much in here
@@ -1512,83 +1459,17 @@
             result.append(buffer);
         }
 
-        size_t s = mClientsMap.size();
-        char name[64];
-        for (size_t i=0 ; i<s ; i++) {
-            sp<Client> client = mClientsMap.valueAt(i);
-            sprintf(name, "  Client (id=0x%08x)", client->cid);
-            client->dump(name);
-        }
         const LayerVector& currentLayers = mCurrentState.layersSortedByZ;
         const size_t count = currentLayers.size();
         for (size_t i=0 ; i<count ; i++) {
-            /*** LayerBase ***/
-            const sp<LayerBase>& layer = currentLayers[i];
-            const Layer::State& s = layer->drawingState();
-            snprintf(buffer, SIZE,
-                    "+ %s %p\n"
-                    "      "
-                    "z=%9d, pos=(%4d,%4d), size=(%4d,%4d), "
-                    "needsBlending=%1d, needsDithering=%1d, invalidate=%1d, "
-                    "alpha=0x%02x, flags=0x%08x, tr=[%.2f, %.2f][%.2f, %.2f]\n",
-                    layer->getTypeID(), layer.get(),
-                    s.z, layer->tx(), layer->ty(), s.w, s.h,
-                    layer->needsBlending(), layer->needsDithering(),
-                    layer->contentDirty,
-                    s.alpha, s.flags,
-                    s.transform[0][0], s.transform[0][1],
-                    s.transform[1][0], s.transform[1][1]);
-            result.append(buffer);
-            buffer[0] = 0;
-            /*** LayerBaseClient ***/
-            sp<LayerBaseClient> lbc =
-                LayerBase::dynamicCast< LayerBaseClient* >(layer.get());
-            if (lbc != 0) {
-                sp<Client> client(lbc->client.promote());
-                snprintf(buffer, SIZE,
-                        "      name=%s\n", lbc->getName().string());
-                result.append(buffer);
-                snprintf(buffer, SIZE,
-                        "      id=0x%08x, client=0x%08x, identity=%u\n",
-                        lbc->clientIndex(), client.get() ? client->cid : 0,
-                        lbc->getIdentity());
-
-                result.append(buffer);
-                buffer[0] = 0;
-            }
-            /*** Layer ***/
-            sp<Layer> l = LayerBase::dynamicCast< Layer* >(layer.get());
-            if (l != 0) {
-                SharedBufferStack::Statistics stats = l->lcblk->getStats();
-                result.append( l->lcblk->dump("      ") );
-                sp<const GraphicBuffer> buf0(l->getBuffer(0));
-                sp<const GraphicBuffer> buf1(l->getBuffer(1));
-                uint32_t w0=0, h0=0, s0=0;
-                uint32_t w1=0, h1=0, s1=0;
-                if (buf0 != 0) {
-                    w0 = buf0->getWidth();
-                    h0 = buf0->getHeight();
-                    s0 = buf0->getStride();
-                }
-                if (buf1 != 0) {
-                    w1 = buf1->getWidth();
-                    h1 = buf1->getHeight();
-                    s1 = buf1->getStride();
-                }
-                snprintf(buffer, SIZE,
-                        "      "
-                        "format=%2d, [%3ux%3u:%3u] [%3ux%3u:%3u],"
-                        " freezeLock=%p, dq-q-time=%u us\n",
-                        l->pixelFormat(),
-                        w0, h0, s0, w1, h1, s1,
-                        l->getFreezeLock().get(), stats.totalTime);
-                result.append(buffer);
-                buffer[0] = 0;
-            }
+            const sp<LayerBase>& layer(currentLayers[i]);
+            layer->dump(result, buffer, SIZE);
+            const Layer::State& s(layer->drawingState());
             s.transparentRegion.dump(result, "transparentRegion");
             layer->transparentRegionScreen.dump(result, "transparentRegionScreen");
             layer->visibleRegionScreen.dump(result, "visibleRegionScreen");
         }
+
         mWormholeRegion.dump(result, "WormholeRegion");
         const DisplayHardware& hw(graphicPlane(0).displayHardware());
         snprintf(buffer, SIZE,
@@ -1601,18 +1482,19 @@
                 "  last transaction time     : %f us\n",
                 mLastSwapBufferTime/1000.0, mLastTransactionTime/1000.0);
         result.append(buffer);
+
         if (inSwapBuffersDuration || !locked) {
             snprintf(buffer, SIZE, "  eglSwapBuffers time: %f us\n",
                     inSwapBuffersDuration/1000.0);
             result.append(buffer);
         }
+
         if (inTransactionDuration || !locked) {
             snprintf(buffer, SIZE, "  transaction time: %f us\n",
                     inTransactionDuration/1000.0);
             result.append(buffer);
         }
-        snprintf(buffer, SIZE, "  client count: %d\n", mClientsMap.size());
-        result.append(buffer);
+
         const GraphicBufferAllocator& alloc(GraphicBufferAllocator::get());
         alloc.dump(result);
 
@@ -1705,12 +1587,91 @@
 }
 
 // ---------------------------------------------------------------------------
-#if 0
-#pragma mark -
-#endif
 
-Client::Client(ClientID clientID, const sp<SurfaceFlinger>& flinger)
-    : ctrlblk(0), cid(clientID), mPid(0), mBitmap(0), mFlinger(flinger)
+sp<Layer> SurfaceFlinger::getLayer(const sp<ISurface>& sur) const
+{
+    sp<Layer> result;
+    Mutex::Autolock _l(mStateLock);
+    result = mLayerMap.valueFor( sur->asBinder() ).promote();
+    return result;
+}
+
+// ---------------------------------------------------------------------------
+
+Client::Client(const sp<SurfaceFlinger>& flinger)
+    : mFlinger(flinger), mNameGenerator(1)
+{
+}
+
+Client::~Client()
+{
+    const size_t count = mLayers.size();
+    for (size_t i=0 ; i<count ; i++) {
+        sp<LayerBaseClient> layer(mLayers.valueAt(i).promote());
+        if (layer != 0) {
+            mFlinger->removeLayer(layer);
+        }
+    }
+}
+
+status_t Client::initCheck() const {
+    return NO_ERROR;
+}
+
+ssize_t Client::attachLayer(const sp<LayerBaseClient>& layer)
+{
+    int32_t name = android_atomic_inc(&mNameGenerator);
+    mLayers.add(name, layer);
+    return name;
+}
+
+void Client::detachLayer(const LayerBaseClient* layer)
+{
+    // we do a linear search here, because this doesn't happen often
+    const size_t count = mLayers.size();
+    for (size_t i=0 ; i<count ; i++) {
+        if (mLayers.valueAt(i) == layer) {
+            mLayers.removeItemsAt(i, 1);
+            break;
+        }
+    }
+}
+sp<LayerBaseClient> Client::getLayerUser(int32_t i) const {
+    sp<LayerBaseClient> lbc;
+    const wp<LayerBaseClient>& layer(mLayers.valueFor(i));
+    if (layer != 0) {
+        lbc = layer.promote();
+        LOGE_IF(lbc==0, "getLayerUser(name=%d) is dead", int(i));
+    }
+    return lbc;
+}
+
+sp<IMemoryHeap> Client::getControlBlock() const {
+    return 0;
+}
+ssize_t Client::getTokenForSurface(const sp<ISurface>& sur) const {
+    return -1;
+}
+sp<ISurface> Client::createSurface(
+        ISurfaceComposerClient::surface_data_t* params, int pid,
+        const String8& name,
+        DisplayID display, uint32_t w, uint32_t h, PixelFormat format,
+        uint32_t flags)
+{
+    return mFlinger->createSurface(this, pid, name, params,
+            display, w, h, format, flags);
+}
+status_t Client::destroySurface(SurfaceID sid) {
+    return mFlinger->removeSurface(this, sid);
+}
+status_t Client::setState(int32_t count, const layer_state_t* states) {
+    return mFlinger->setClientState(this, count, states);
+}
+
+// ---------------------------------------------------------------------------
+
+UserClient::UserClient(const sp<SurfaceFlinger>& flinger)
+    : ctrlblk(0), mBitmap(0), mFlinger(flinger)
 {
     const int pgsize = getpagesize();
     const int cblksize = ((sizeof(SharedClient)+(pgsize-1))&~(pgsize-1));
@@ -1724,97 +1685,91 @@
     }
 }
 
-Client::~Client() {
+UserClient::~UserClient()
+{
     if (ctrlblk) {
         ctrlblk->~SharedClient();  // destroy our shared-structure.
     }
+
+    /*
+     * When a UserClient dies, it's unclear what to do exactly.
+     * We could go ahead and destroy all surfaces linked to that client
+     * however, it wouldn't be fair to the main Client
+     * (usually the the window-manager), which might want to re-target
+     * the layer to another UserClient.
+     * I think the best is to do nothing, or not much; in most cases the
+     * WM itself will go ahead and clean things up when it detects a client of
+     * his has died.
+     * The remaining question is what to display? currently we keep
+     * just keep the current buffer.
+     */
 }
 
-int32_t Client::generateId(int pid)
-{
-    const uint32_t i = clz( ~mBitmap );
-    if (i >= NUM_LAYERS_MAX) {
-        return NO_MEMORY;
-    }
-    mPid = pid;
-    mInUse.add(uint8_t(i));
-    mBitmap |= 1<<(31-i);
-    return i;
+status_t UserClient::initCheck() const {
+    return ctrlblk == 0 ? NO_INIT : NO_ERROR;
 }
 
-status_t Client::bindLayer(const sp<LayerBaseClient>& layer, int32_t id)
+void UserClient::detachLayer(const Layer* layer)
 {
-    ssize_t idx = mInUse.indexOf(id);
-    if (idx < 0)
-        return NAME_NOT_FOUND;
-    return mLayers.insertAt(layer, idx);
-}
-
-void Client::free(int32_t id)
-{
-    ssize_t idx = mInUse.remove(uint8_t(id));
-    if (idx >= 0) {
-        mBitmap &= ~(1<<(31-id));
-        mLayers.removeItemsAt(idx);
+    int32_t name = layer->getToken();
+    if (name >= 0) {
+        int32_t mask = 1LU<<name;
+        if ((android_atomic_and(~mask, &mBitmap) & mask) == 0) {
+            LOGW("token %d wasn't marked as used %08x", name, int(mBitmap));
+        }
     }
 }
 
-bool Client::isValid(int32_t i) const {
-    return (uint32_t(i)<NUM_LAYERS_MAX) && (mBitmap & (1<<(31-i)));
+sp<IMemoryHeap> UserClient::getControlBlock() const {
+    return mCblkHeap;
 }
 
-sp<LayerBaseClient> Client::getLayerUser(int32_t i) const {
-    sp<LayerBaseClient> lbc;
-    ssize_t idx = mInUse.indexOf(uint8_t(i));
-    if (idx >= 0) {
-        lbc = mLayers[idx].promote();
-        LOGE_IF(lbc==0, "getLayerUser(i=%d), idx=%d is dead", int(i), int(idx));
-    }
-    return lbc;
-}
-
-void Client::dump(const char* what)
+ssize_t UserClient::getTokenForSurface(const sp<ISurface>& sur) const
 {
+    int32_t name = NAME_NOT_FOUND;
+    sp<Layer> layer(mFlinger->getLayer(sur));
+    if (layer == 0) return name;
+
+    // if this layer already has a token, just return it
+    name = layer->getToken();
+    if ((name >= 0) && (layer->getClient() == this))
+        return name;
+
+    name = 0;
+    do {
+        int32_t mask = 1LU<<name;
+        if ((android_atomic_or(mask, &mBitmap) & mask) == 0) {
+            // we found and locked that name
+            status_t err = layer->setToken(
+                    const_cast<UserClient*>(this), ctrlblk, name);
+            if (err != NO_ERROR) {
+                // free the name
+                android_atomic_and(~mask, &mBitmap);
+                name = err;
+            }
+            break;
+        }
+        if (++name > 31)
+            name = NO_MEMORY;
+    } while(name >= 0);
+
+    //LOGD("getTokenForSurface(%p) => %d (client=%p, bitmap=%08lx)",
+    //        sur->asBinder().get(), name, this, mBitmap);
+    return name;
 }
 
-// ---------------------------------------------------------------------------
-#if 0
-#pragma mark -
-#endif
-
-BClient::BClient(SurfaceFlinger *flinger, ClientID cid, const sp<IMemoryHeap>& cblk)
-    : mId(cid), mFlinger(flinger), mCblk(cblk)
-{
-}
-
-BClient::~BClient() {
-    // destroy all resources attached to this client
-    mFlinger->destroyConnection(mId);
-}
-
-sp<IMemoryHeap> BClient::getControlBlock() const {
-    return mCblk;
-}
-
-sp<ISurface> BClient::createSurface(
-        ISurfaceFlingerClient::surface_data_t* params, int pid,
+sp<ISurface> UserClient::createSurface(
+        ISurfaceComposerClient::surface_data_t* params, int pid,
         const String8& name,
         DisplayID display, uint32_t w, uint32_t h, PixelFormat format,
-        uint32_t flags)
-{
-    return mFlinger->createSurface(mId, pid, name, params, display, w, h,
-            format, flags);
+        uint32_t flags) {
+    return 0;
 }
-
-status_t BClient::destroySurface(SurfaceID sid)
-{
-    sid |= (mId << 16); // add the client-part to id
-    return mFlinger->removeSurface(sid);
+status_t UserClient::destroySurface(SurfaceID sid) {
+    return INVALID_OPERATION;
 }
-
-status_t BClient::setState(int32_t count, const layer_state_t* states)
-{
-    return mFlinger->setClientState(mId, count, states);
+status_t UserClient::setState(int32_t count, const layer_state_t* states) {
+    return INVALID_OPERATION;
 }
 
 // ---------------------------------------------------------------------------
diff --git a/libs/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
similarity index 78%
rename from libs/surfaceflinger/SurfaceFlinger.h
rename to services/surfaceflinger/SurfaceFlinger.h
index d75dc15..8821e5c 100644
--- a/libs/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -29,14 +29,14 @@
 
 #include <binder/IMemory.h>
 #include <binder/Permission.h>
+#include <binder/BinderService.h>
 
 #include <ui/PixelFormat.h>
 #include <surfaceflinger/ISurfaceComposer.h>
-#include <surfaceflinger/ISurfaceFlingerClient.h>
+#include <surfaceflinger/ISurfaceComposerClient.h>
 
 #include "Barrier.h"
 #include "Layer.h"
-#include "Tokenizer.h"
 
 #include "MessageQueue.h"
 
@@ -48,55 +48,80 @@
 // ---------------------------------------------------------------------------
 
 class Client;
-class BClient;
 class DisplayHardware;
 class FreezeLock;
 class Layer;
+class LayerBlur;
+class LayerDim;
 class LayerBuffer;
 
-typedef int32_t ClientID;
-
 #define LIKELY( exp )       (__builtin_expect( (exp) != 0, true  ))
 #define UNLIKELY( exp )     (__builtin_expect( (exp) != 0, false ))
 
 // ---------------------------------------------------------------------------
 
-class Client : public RefBase
+class Client : public BnSurfaceComposerClient
 {
 public:
-            Client(ClientID cid, const sp<SurfaceFlinger>& flinger);
-            ~Client();
+        Client(const sp<SurfaceFlinger>& flinger);
+        ~Client();
 
-            int32_t                 generateId(int pid);
-            void                    free(int32_t id);
-            status_t                bindLayer(const sp<LayerBaseClient>& layer, int32_t id);
+    status_t initCheck() const;
 
-    inline  bool                    isValid(int32_t i) const;
-    sp<LayerBaseClient>             getLayerUser(int32_t i) const;
-    void                            dump(const char* what);
-    
-    const Vector< wp<LayerBaseClient> >& getLayers() const { 
-        return mLayers; 
-    }
-    
-    const sp<IMemoryHeap>& getControlBlockMemory() const {
-        return mCblkHeap; 
-    }
-    
-    // pointer to this client's control block
-    SharedClient*           ctrlblk;
-    ClientID                cid;
+    // protected by SurfaceFlinger::mStateLock
+    ssize_t attachLayer(const sp<LayerBaseClient>& layer);
+    void detachLayer(const LayerBaseClient* layer);
+    sp<LayerBaseClient> getLayerUser(int32_t i) const;
 
-    
 private:
-    int getClientPid() const { return mPid; }
-        
-    int                             mPid;
-    uint32_t                        mBitmap;
-    SortedVector<uint8_t>           mInUse;
-    Vector< wp<LayerBaseClient> >   mLayers;
-    sp<IMemoryHeap>                 mCblkHeap;
-    sp<SurfaceFlinger>              mFlinger;
+
+    // ISurfaceComposerClient interface
+    virtual sp<IMemoryHeap> getControlBlock() const;
+    virtual ssize_t getTokenForSurface(const sp<ISurface>& sur) const;
+    virtual sp<ISurface> createSurface(
+            surface_data_t* params, int pid, const String8& name,
+            DisplayID display, uint32_t w, uint32_t h,PixelFormat format,
+            uint32_t flags);
+    virtual status_t destroySurface(SurfaceID surfaceId);
+    virtual status_t setState(int32_t count, const layer_state_t* states);
+
+    DefaultKeyedVector< size_t, wp<LayerBaseClient> > mLayers;
+    sp<SurfaceFlinger> mFlinger;
+    int32_t mNameGenerator;
+};
+
+class UserClient : public BnSurfaceComposerClient
+{
+public:
+    // pointer to this client's control block
+    SharedClient* ctrlblk;
+
+public:
+        UserClient(const sp<SurfaceFlinger>& flinger);
+        ~UserClient();
+
+    status_t initCheck() const;
+
+    // protected by SurfaceFlinger::mStateLock
+    void detachLayer(const Layer* layer);
+
+private:
+
+    // ISurfaceComposerClient interface
+    virtual sp<IMemoryHeap> getControlBlock() const;
+    virtual ssize_t getTokenForSurface(const sp<ISurface>& sur) const;
+    virtual sp<ISurface> createSurface(
+            surface_data_t* params, int pid, const String8& name,
+            DisplayID display, uint32_t w, uint32_t h,PixelFormat format,
+            uint32_t flags);
+    virtual status_t destroySurface(SurfaceID surfaceId);
+    virtual status_t setState(int32_t count, const layer_state_t* states);
+
+    // atomic-ops
+    mutable volatile int32_t mBitmap;
+
+    sp<IMemoryHeap> mCblkHeap;
+    sp<SurfaceFlinger> mFlinger;
 };
 
 // ---------------------------------------------------------------------------
@@ -143,11 +168,13 @@
     eTraversalNeeded        = 0x02
 };
 
-class SurfaceFlinger : public BnSurfaceComposer, protected Thread
+class SurfaceFlinger :
+        public BinderService<SurfaceFlinger>,
+        public BnSurfaceComposer,
+        protected Thread
 {
 public:
-    static void instantiate();
-    static void shutdown();
+    static char const* getServiceName() { return "SurfaceFlinger"; }
 
                     SurfaceFlinger();
     virtual         ~SurfaceFlinger();
@@ -159,7 +186,8 @@
     virtual status_t dump(int fd, const Vector<String16>& args);
 
     // ISurfaceComposer interface
-    virtual sp<ISurfaceFlingerClient>   createConnection();
+    virtual sp<ISurfaceComposerClient>  createConnection();
+    virtual sp<ISurfaceComposerClient>  createClientConnection();
     virtual sp<IMemoryHeap>             getCblk() const;
     virtual void                        bootFinished();
     virtual void                        openGlobalTransaction();
@@ -174,13 +202,14 @@
 
             overlay_control_device_t* getOverlayEngine() const;
 
-            
     status_t removeLayer(const sp<LayerBase>& layer);
     status_t addLayer(const sp<LayerBase>& layer);
     status_t invalidateLayerVisibility(const sp<LayerBase>& layer);
-    
+
+    sp<Layer> getLayer(const sp<ISurface>& sur) const;
+
 private:
-    friend class BClient;
+    friend class Client;
     friend class LayerBase;
     friend class LayerBuffer;
     friend class LayerBaseClient;
@@ -189,31 +218,33 @@
     friend class LayerBlur;
     friend class LayerDim;
 
-    sp<ISurface> createSurface(ClientID client, int pid, const String8& name,
-            ISurfaceFlingerClient::surface_data_t* params,
+    sp<ISurface> createSurface(const sp<Client>& client,
+            int pid, const String8& name,
+            ISurfaceComposerClient::surface_data_t* params,
             DisplayID display, uint32_t w, uint32_t h, PixelFormat format,
             uint32_t flags);
 
-    sp<LayerBaseClient> createNormalSurfaceLocked(
+    sp<Layer> createNormalSurface(
             const sp<Client>& client, DisplayID display,
-            int32_t id, uint32_t w, uint32_t h, uint32_t flags,
+            uint32_t w, uint32_t h, uint32_t flags,
             PixelFormat& format);
 
-    sp<LayerBaseClient> createBlurSurfaceLocked(
+    sp<LayerBlur> createBlurSurface(
             const sp<Client>& client, DisplayID display,
-            int32_t id, uint32_t w, uint32_t h, uint32_t flags);
+            uint32_t w, uint32_t h, uint32_t flags);
 
-    sp<LayerBaseClient> createDimSurfaceLocked(
+    sp<LayerDim> createDimSurface(
             const sp<Client>& client, DisplayID display,
-            int32_t id, uint32_t w, uint32_t h, uint32_t flags);
+            uint32_t w, uint32_t h, uint32_t flags);
 
-    sp<LayerBaseClient> createPushBuffersSurfaceLocked(
+    sp<LayerBuffer> createPushBuffersSurface(
             const sp<Client>& client, DisplayID display,
-            int32_t id, uint32_t w, uint32_t h, uint32_t flags);
+            uint32_t w, uint32_t h, uint32_t flags);
 
-    status_t removeSurface(SurfaceID surface_id);
+    status_t removeSurface(const sp<Client>& client, SurfaceID sid);
     status_t destroySurface(const sp<LayerBaseClient>& layer);
-    status_t setClientState(ClientID cid, int32_t count, const layer_state_t* states);
+    status_t setClientState(const sp<Client>& client,
+            int32_t count, const layer_state_t* states);
 
 
     class LayerVector {
@@ -256,8 +287,6 @@
 public:     // hack to work around gcc 4.0.3 bug
             void        signalEvent();
 private:
-            void        signalDelayedEvent(nsecs_t delay);
-
             void        handleConsoleEvents();
             void        handleTransaction(uint32_t transactionFlags);
             void        handleTransactionLocked(
@@ -278,15 +307,14 @@
             void        unlockClients();
 
 
-            void        destroyConnection(ClientID cid);
-            sp<LayerBaseClient> getLayerUser_l(SurfaceID index) const;
+            ssize_t     addClientLayer(const sp<Client>& client,
+                    const sp<LayerBaseClient>& lbc);
             status_t    addLayer_l(const sp<LayerBase>& layer);
             status_t    removeLayer_l(const sp<LayerBase>& layer);
             status_t    purgatorizeLayer_l(const sp<LayerBase>& layer);
-            void        free_resources_l();
 
             uint32_t    getTransactionFlags(uint32_t flags);
-            uint32_t    setTransactionFlags(uint32_t flags, nsecs_t delay = 0);
+            uint32_t    setTransactionFlags(uint32_t flags);
             void        commitTransaction();
 
 
@@ -310,9 +338,13 @@
            
 
     mutable     MessageQueue    mEventQueue;
-    
-                
-                
+
+    status_t postMessageAsync(const sp<MessageBase>& msg,
+            nsecs_t reltime=0, uint32_t flags = 0);
+
+    status_t postMessageSync(const sp<MessageBase>& msg,
+            nsecs_t reltime=0, uint32_t flags = 0);
+
                 // access must be protected by mStateLock
     mutable     Mutex                   mStateLock;
                 State                   mCurrentState;
@@ -321,14 +353,11 @@
     volatile    int32_t                 mTransactionCount;
                 Condition               mTransactionCV;
                 bool                    mResizeTransationPending;
-                
+
                 // protected by mStateLock (but we could use another lock)
-                Tokenizer                               mTokens;
-                DefaultKeyedVector<ClientID, sp<Client> >   mClientsMap;
-                DefaultKeyedVector<SurfaceID, sp<LayerBaseClient> >   mLayerMap;
-                GraphicPlane                            mGraphicPlanes[1];
-                bool                                    mLayersRemoved;
-                Vector< sp<Client> >                    mDisconnectedClients;
+                GraphicPlane                mGraphicPlanes[1];
+                bool                        mLayersRemoved;
+                DefaultKeyedVector< wp<IBinder>, wp<Layer> > mLayerMap;
 
                 // constant members (no synchronization needed for access)
                 sp<IMemoryHeap>             mServerHeap;
@@ -389,32 +418,6 @@
 };
 
 // ---------------------------------------------------------------------------
-
-class BClient : public BnSurfaceFlingerClient
-{
-public:
-    BClient(SurfaceFlinger *flinger, ClientID cid,
-            const sp<IMemoryHeap>& cblk);
-    ~BClient();
-
-    // ISurfaceFlingerClient interface
-    virtual sp<IMemoryHeap> getControlBlock() const;
-
-    virtual sp<ISurface> createSurface(
-            surface_data_t* params, int pid, const String8& name,
-            DisplayID display, uint32_t w, uint32_t h,PixelFormat format,
-            uint32_t flags);
-
-    virtual status_t destroySurface(SurfaceID surfaceId);
-    virtual status_t setState(int32_t count, const layer_state_t* states);
-
-private:
-    ClientID            mId;
-    SurfaceFlinger*     mFlinger;
-    sp<IMemoryHeap>     mCblk;
-};
-
-// ---------------------------------------------------------------------------
 }; // namespace android
 
 #endif // ANDROID_SURFACE_FLINGER_H
diff --git a/services/surfaceflinger/TextureManager.cpp b/services/surfaceflinger/TextureManager.cpp
new file mode 100644
index 0000000..3b326df
--- /dev/null
+++ b/services/surfaceflinger/TextureManager.cpp
@@ -0,0 +1,342 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/Log.h>
+
+#include <ui/GraphicBuffer.h>
+
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+
+#include <hardware/hardware.h>
+
+#include "clz.h"
+#include "DisplayHardware/DisplayHardware.h"
+#include "GLExtensions.h"
+#include "TextureManager.h"
+
+namespace android {
+
+// ---------------------------------------------------------------------------
+
+TextureManager::TextureManager()
+    : mGLExtensions(GLExtensions::getInstance())
+{
+}
+
+GLenum TextureManager::getTextureTarget(const Image* image) {
+#if defined(GL_OES_texture_external)
+    switch (image->target) {
+        case Texture::TEXTURE_EXTERNAL:
+            return GL_TEXTURE_EXTERNAL_OES;
+    }
+#endif
+    return GL_TEXTURE_2D;
+}
+
+status_t TextureManager::initTexture(Texture* texture)
+{
+    if (texture->name != -1UL)
+        return INVALID_OPERATION;
+
+    GLuint textureName = -1;
+    glGenTextures(1, &textureName);
+    texture->name = textureName;
+    texture->width = 0;
+    texture->height = 0;
+
+    const GLenum target = GL_TEXTURE_2D;
+    glBindTexture(target, textureName);
+    glTexParameterx(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+    glTexParameterx(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+    glTexParameterx(target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+    glTexParameterx(target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+
+    return NO_ERROR;
+}
+
+status_t TextureManager::initTexture(Image* pImage, int32_t format)
+{
+    if (pImage->name != -1UL)
+        return INVALID_OPERATION;
+
+    GLuint textureName = -1;
+    glGenTextures(1, &textureName);
+    pImage->name = textureName;
+    pImage->width = 0;
+    pImage->height = 0;
+
+    GLenum target = GL_TEXTURE_2D;
+#if defined(GL_OES_texture_external)
+    if (GLExtensions::getInstance().haveTextureExternal()) {
+        if (format && isYuvFormat(format)) {
+            target = GL_TEXTURE_EXTERNAL_OES;
+            pImage->target = Texture::TEXTURE_EXTERNAL;
+        }
+    }
+#endif
+
+    glBindTexture(target, textureName);
+    glTexParameterx(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+    glTexParameterx(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+    glTexParameterx(target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+    glTexParameterx(target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+
+    return NO_ERROR;
+}
+
+bool TextureManager::isSupportedYuvFormat(int format)
+{
+    switch (format) {
+    case HAL_PIXEL_FORMAT_YV12:
+        return true;
+    }
+    return false;
+}
+
+bool TextureManager::isYuvFormat(int format)
+{
+    switch (format) {
+    // supported YUV formats
+    case HAL_PIXEL_FORMAT_YV12:
+    // Legacy/deprecated YUV formats
+    case HAL_PIXEL_FORMAT_YCbCr_422_SP:
+    case HAL_PIXEL_FORMAT_YCrCb_420_SP:
+    case HAL_PIXEL_FORMAT_YCbCr_422_I:
+    case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED:
+        return true;
+    }
+
+    // Any OEM format needs to be considered
+    if (format>=0x100 && format<=0x1FF)
+        return true;
+
+    return false;
+}
+
+status_t TextureManager::initEglImage(Image* pImage,
+        EGLDisplay dpy, const sp<GraphicBuffer>& buffer)
+{
+    status_t err = NO_ERROR;
+    if (!pImage->dirty) return err;
+
+    // free the previous image
+    if (pImage->image != EGL_NO_IMAGE_KHR) {
+        eglDestroyImageKHR(dpy, pImage->image);
+        pImage->image = EGL_NO_IMAGE_KHR;
+    }
+
+    // construct an EGL_NATIVE_BUFFER_ANDROID
+    android_native_buffer_t* clientBuf = buffer->getNativeBuffer();
+
+    // create the new EGLImageKHR
+    const EGLint attrs[] = {
+            EGL_IMAGE_PRESERVED_KHR,    EGL_TRUE,
+            EGL_NONE,                   EGL_NONE
+    };
+    pImage->image = eglCreateImageKHR(
+            dpy, EGL_NO_CONTEXT, EGL_NATIVE_BUFFER_ANDROID,
+            (EGLClientBuffer)clientBuf, attrs);
+
+    if (pImage->image != EGL_NO_IMAGE_KHR) {
+        if (pImage->name == -1UL) {
+            initTexture(pImage, buffer->format);
+        }
+        const GLenum target = getTextureTarget(pImage);
+        glBindTexture(target, pImage->name);
+        glEGLImageTargetTexture2DOES(target, (GLeglImageOES)pImage->image);
+        GLint error = glGetError();
+        if (error != GL_NO_ERROR) {
+            LOGE("glEGLImageTargetTexture2DOES(%p) failed err=0x%04x",
+                    pImage->image, error);
+            err = INVALID_OPERATION;
+        } else {
+            // Everything went okay!
+            pImage->dirty  = false;
+            pImage->width  = clientBuf->width;
+            pImage->height = clientBuf->height;
+        }
+    } else {
+        LOGE("eglCreateImageKHR() failed. err=0x%4x", eglGetError());
+        err = INVALID_OPERATION;
+    }
+    return err;
+}
+
+status_t TextureManager::loadTexture(Texture* texture,
+        const Region& dirty, const GGLSurface& t)
+{
+    if (texture->name == -1UL) {
+        status_t err = initTexture(texture);
+        LOGE_IF(err, "loadTexture failed in initTexture (%s)", strerror(err));
+        return err;
+    }
+
+    if (texture->target != GL_TEXTURE_2D)
+        return INVALID_OPERATION;
+
+    glBindTexture(GL_TEXTURE_2D, texture->name);
+
+    /*
+     * In OpenGL ES we can't specify a stride with glTexImage2D (however,
+     * GL_UNPACK_ALIGNMENT is a limited form of stride).
+     * So if the stride here isn't representable with GL_UNPACK_ALIGNMENT, we
+     * need to do something reasonable (here creating a bigger texture).
+     *
+     * extra pixels = (((stride - width) * pixelsize) / GL_UNPACK_ALIGNMENT);
+     *
+     * This situation doesn't happen often, but some h/w have a limitation
+     * for their framebuffer (eg: must be multiple of 8 pixels), and
+     * we need to take that into account when using these buffers as
+     * textures.
+     *
+     * This should never be a problem with POT textures
+     */
+
+    int unpack = __builtin_ctz(t.stride * bytesPerPixel(t.format));
+    unpack = 1 << ((unpack > 3) ? 3 : unpack);
+    glPixelStorei(GL_UNPACK_ALIGNMENT, unpack);
+
+    /*
+     * round to POT if needed
+     */
+    if (!mGLExtensions.haveNpot()) {
+        texture->NPOTAdjust = true;
+    }
+
+    if (texture->NPOTAdjust) {
+        // find the smallest power-of-two that will accommodate our surface
+        texture->potWidth  = 1 << (31 - clz(t.width));
+        texture->potHeight = 1 << (31 - clz(t.height));
+        if (texture->potWidth  < t.width)  texture->potWidth  <<= 1;
+        if (texture->potHeight < t.height) texture->potHeight <<= 1;
+        texture->wScale = float(t.width)  / texture->potWidth;
+        texture->hScale = float(t.height) / texture->potHeight;
+    } else {
+        texture->potWidth  = t.width;
+        texture->potHeight = t.height;
+    }
+
+    Rect bounds(dirty.bounds());
+    GLvoid* data = 0;
+    if (texture->width != t.width || texture->height != t.height) {
+        texture->width  = t.width;
+        texture->height = t.height;
+
+        // texture size changed, we need to create a new one
+        bounds.set(Rect(t.width, t.height));
+        if (t.width  == texture->potWidth &&
+            t.height == texture->potHeight) {
+            // we can do it one pass
+            data = t.data;
+        }
+
+        if (t.format == HAL_PIXEL_FORMAT_RGB_565) {
+            glTexImage2D(GL_TEXTURE_2D, 0,
+                    GL_RGB, texture->potWidth, texture->potHeight, 0,
+                    GL_RGB, GL_UNSIGNED_SHORT_5_6_5, data);
+        } else if (t.format == HAL_PIXEL_FORMAT_RGBA_4444) {
+            glTexImage2D(GL_TEXTURE_2D, 0,
+                    GL_RGBA, texture->potWidth, texture->potHeight, 0,
+                    GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, data);
+        } else if (t.format == HAL_PIXEL_FORMAT_RGBA_8888 ||
+                   t.format == HAL_PIXEL_FORMAT_RGBX_8888) {
+            glTexImage2D(GL_TEXTURE_2D, 0,
+                    GL_RGBA, texture->potWidth, texture->potHeight, 0,
+                    GL_RGBA, GL_UNSIGNED_BYTE, data);
+        } else if (isSupportedYuvFormat(t.format)) {
+            // just show the Y plane of YUV buffers
+            glTexImage2D(GL_TEXTURE_2D, 0,
+                    GL_LUMINANCE, texture->potWidth, texture->potHeight, 0,
+                    GL_LUMINANCE, GL_UNSIGNED_BYTE, data);
+        } else {
+            // oops, we don't handle this format!
+            LOGE("texture=%d, using format %d, which is not "
+                 "supported by the GL", texture->name, t.format);
+        }
+    }
+    if (!data) {
+        if (t.format == HAL_PIXEL_FORMAT_RGB_565) {
+            glTexSubImage2D(GL_TEXTURE_2D, 0,
+                    0, bounds.top, t.width, bounds.height(),
+                    GL_RGB, GL_UNSIGNED_SHORT_5_6_5,
+                    t.data + bounds.top*t.stride*2);
+        } else if (t.format == HAL_PIXEL_FORMAT_RGBA_4444) {
+            glTexSubImage2D(GL_TEXTURE_2D, 0,
+                    0, bounds.top, t.width, bounds.height(),
+                    GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4,
+                    t.data + bounds.top*t.stride*2);
+        } else if (t.format == HAL_PIXEL_FORMAT_RGBA_8888 ||
+                   t.format == HAL_PIXEL_FORMAT_RGBX_8888) {
+            glTexSubImage2D(GL_TEXTURE_2D, 0,
+                    0, bounds.top, t.width, bounds.height(),
+                    GL_RGBA, GL_UNSIGNED_BYTE,
+                    t.data + bounds.top*t.stride*4);
+        } else if (isSupportedYuvFormat(t.format)) {
+            // just show the Y plane of YUV buffers
+            glTexSubImage2D(GL_TEXTURE_2D, 0,
+                    0, bounds.top, t.width, bounds.height(),
+                    GL_LUMINANCE, GL_UNSIGNED_BYTE,
+                    t.data + bounds.top*t.stride);
+        }
+    }
+    return NO_ERROR;
+}
+
+void TextureManager::activateTexture(const Texture& texture, bool filter)
+{
+    const GLenum target = getTextureTarget(&texture);
+    if (target == GL_TEXTURE_2D) {
+        glBindTexture(GL_TEXTURE_2D, texture.name);
+        glEnable(GL_TEXTURE_2D);
+#if defined(GL_OES_texture_external)
+        if (GLExtensions::getInstance().haveTextureExternal()) {
+            glDisable(GL_TEXTURE_EXTERNAL_OES);
+        }
+    } else {
+        glBindTexture(GL_TEXTURE_EXTERNAL_OES, texture.name);
+        glEnable(GL_TEXTURE_EXTERNAL_OES);
+        glDisable(GL_TEXTURE_2D);
+#endif
+    }
+
+    if (filter) {
+        glTexParameterx(target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+        glTexParameterx(target, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+    } else {
+        glTexParameterx(target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+        glTexParameterx(target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+    }
+}
+
+void TextureManager::deactivateTextures()
+{
+    glDisable(GL_TEXTURE_2D);
+#if defined(GL_OES_texture_external)
+    if (GLExtensions::getInstance().haveTextureExternal()) {
+        glDisable(GL_TEXTURE_EXTERNAL_OES);
+    }
+#endif
+}
+
+// ---------------------------------------------------------------------------
+
+}; // namespace android
diff --git a/services/surfaceflinger/TextureManager.h b/services/surfaceflinger/TextureManager.h
new file mode 100644
index 0000000..c7c14e7
--- /dev/null
+++ b/services/surfaceflinger/TextureManager.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_TEXTURE_MANAGER_H
+#define ANDROID_TEXTURE_MANAGER_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <GLES/gl.h>
+
+#include <ui/Region.h>
+
+#include <pixelflinger/pixelflinger.h>
+
+namespace android {
+
+// ---------------------------------------------------------------------------
+
+class GLExtensions;
+class GraphicBuffer;
+
+// ---------------------------------------------------------------------------
+
+struct Image {
+    enum { TEXTURE_2D=0, TEXTURE_EXTERNAL=1 };
+    Image() : name(-1U), image(EGL_NO_IMAGE_KHR), width(0), height(0),
+        transform(0), dirty(1), target(TEXTURE_2D) { }
+    GLuint        name;
+    EGLImageKHR   image;
+    GLuint        width;
+    GLuint        height;
+    uint32_t      transform;
+    unsigned      dirty     : 1;
+    unsigned      target    : 1;
+};
+
+struct Texture : public Image {
+    Texture() : Image(), NPOTAdjust(0) { }
+    GLuint      potWidth;
+    GLuint      potHeight;
+    GLfloat     wScale;
+    GLfloat     hScale;
+    unsigned    NPOTAdjust  : 1;
+};
+
+// ---------------------------------------------------------------------------
+
+class TextureManager {
+    const GLExtensions& mGLExtensions;
+    static status_t initTexture(Image* texture, int32_t format);
+    static status_t initTexture(Texture* texture);
+    static bool isSupportedYuvFormat(int format);
+    static bool isYuvFormat(int format);
+    static GLenum getTextureTarget(const Image* pImage);
+public:
+
+    TextureManager();
+
+    // load bitmap data into the active buffer
+    status_t loadTexture(Texture* texture,
+            const Region& dirty, const GGLSurface& t);
+
+    // make active buffer an EGLImage if needed
+    status_t initEglImage(Image* texture,
+            EGLDisplay dpy, const sp<GraphicBuffer>& buffer);
+
+    // activate a texture
+    static void activateTexture(const Texture& texture, bool filter);
+
+    // deactivate a texture
+    static void deactivateTextures();
+};
+
+// ---------------------------------------------------------------------------
+
+}; // namespace android
+
+#endif // ANDROID_TEXTURE_MANAGER_H
diff --git a/libs/surfaceflinger/Transform.cpp b/services/surfaceflinger/Transform.cpp
similarity index 97%
rename from libs/surfaceflinger/Transform.cpp
rename to services/surfaceflinger/Transform.cpp
index 175f989..5e27cc9 100644
--- a/libs/surfaceflinger/Transform.cpp
+++ b/services/surfaceflinger/Transform.cpp
@@ -229,14 +229,13 @@
     return r;
 }
 
-void Transform::transform(fixed1616* point, int x, int y) const
+void Transform::transform(float* point, int x, int y) const
 {
-    const float toFixed = 65536.0f;
     const mat33& M(mMatrix);
     vec2 v(x, y);
     v = transform(v);
-    point[0] = v[0] * toFixed;
-    point[1] = v[1] * toFixed;
+    point[0] = v[0];
+    point[1] = v[1];
 }
 
 Rect Transform::makeBounds(int w, int h) const
diff --git a/libs/surfaceflinger/Transform.h b/services/surfaceflinger/Transform.h
similarity index 96%
rename from libs/surfaceflinger/Transform.h
rename to services/surfaceflinger/Transform.h
index 2e5b893..20fa11a 100644
--- a/libs/surfaceflinger/Transform.h
+++ b/services/surfaceflinger/Transform.h
@@ -37,8 +37,6 @@
            explicit Transform(uint32_t orientation);
                     ~Transform();
 
-            typedef int32_t fixed1616;
-
             // FIXME: must match OVERLAY_TRANSFORM_*, pull from hardware.h
             enum orientation_flags {
                 ROT_0   = 0x00000000,
@@ -76,7 +74,7 @@
 
             // transform data
             Rect    makeBounds(int w, int h) const;
-            void    transform(fixed1616* point, int x, int y) const;
+            void    transform(float* point, int x, int y) const;
             Region  transform(const Region& reg) const;
             Transform operator * (const Transform& rhs) const;
 
diff --git a/libs/surfaceflinger/clz.cpp b/services/surfaceflinger/clz.cpp
similarity index 100%
rename from libs/surfaceflinger/clz.cpp
rename to services/surfaceflinger/clz.cpp
diff --git a/libs/surfaceflinger/clz.h b/services/surfaceflinger/clz.h
similarity index 100%
rename from libs/surfaceflinger/clz.h
rename to services/surfaceflinger/clz.h
diff --git a/libs/surfaceflinger/tests/Android.mk b/services/surfaceflinger/tests/Android.mk
similarity index 100%
copy from libs/surfaceflinger/tests/Android.mk
copy to services/surfaceflinger/tests/Android.mk
diff --git a/libs/surfaceflinger/tests/overlays/Android.mk b/services/surfaceflinger/tests/overlays/Android.mk
similarity index 100%
rename from libs/surfaceflinger/tests/overlays/Android.mk
rename to services/surfaceflinger/tests/overlays/Android.mk
diff --git a/libs/surfaceflinger/tests/overlays/overlays.cpp b/services/surfaceflinger/tests/overlays/overlays.cpp
similarity index 100%
rename from libs/surfaceflinger/tests/overlays/overlays.cpp
rename to services/surfaceflinger/tests/overlays/overlays.cpp
diff --git a/libs/surfaceflinger/tests/resize/Android.mk b/services/surfaceflinger/tests/resize/Android.mk
similarity index 100%
rename from libs/surfaceflinger/tests/resize/Android.mk
rename to services/surfaceflinger/tests/resize/Android.mk
diff --git a/libs/surfaceflinger/tests/resize/resize.cpp b/services/surfaceflinger/tests/resize/resize.cpp
similarity index 100%
rename from libs/surfaceflinger/tests/resize/resize.cpp
rename to services/surfaceflinger/tests/resize/resize.cpp
diff --git a/vpn/java/android/net/vpn/VpnManager.java b/vpn/java/android/net/vpn/VpnManager.java
index ce522c8..ce40b5d 100644
--- a/vpn/java/android/net/vpn/VpnManager.java
+++ b/vpn/java/android/net/vpn/VpnManager.java
@@ -85,7 +85,8 @@
 
     // TODO(oam): Test VPN when EFS is enabled (will do later)...
     public static String getProfilePath() {
-        return Environment.getDataDirectory().getPath() + PROFILES_PATH;
+        // This call will return the correct path if Encrypted FS is enabled or not.
+        return Environment.getSecureDataDirectory().getPath() + PROFILES_PATH;
     }
 
     /**