diff --git a/camera/CameraParameters.cpp b/camera/CameraParameters.cpp
index 25d632d..e5e4e90 100644
--- a/camera/CameraParameters.cpp
+++ b/camera/CameraParameters.cpp
@@ -488,6 +488,11 @@
     const char* supportedPreviewFormats =
           get(CameraParameters::KEY_SUPPORTED_PREVIEW_FORMATS);
 
+    if (supportedPreviewFormats == NULL) {
+        ALOGW("%s: No supported preview formats.", __FUNCTION__);
+        return;
+    }
+
     String8 fmtStr(supportedPreviewFormats);
     char* prevFmts = fmtStr.lockBuffer(fmtStr.size());
 
diff --git a/camera/VendorTagDescriptor.cpp b/camera/VendorTagDescriptor.cpp
index 0dda6b6..dce313a 100644
--- a/camera/VendorTagDescriptor.cpp
+++ b/camera/VendorTagDescriptor.cpp
@@ -206,7 +206,7 @@
         return res;
     }
 
-    size_t sectionCount;
+    size_t sectionCount = 0;
     if (tagCount > 0) {
         if ((res = parcel->readInt32(reinterpret_cast<int32_t*>(&sectionCount))) != OK) {
             ALOGE("%s: could not read section count for.", __FUNCTION__);
diff --git a/camera/camera2/CaptureRequest.cpp b/camera/camera2/CaptureRequest.cpp
index d5e1c5b..66d6913 100644
--- a/camera/camera2/CaptureRequest.cpp
+++ b/camera/camera2/CaptureRequest.cpp
@@ -63,9 +63,9 @@
         }
 
         // Surface.writeToParcel
-        String16 name = parcel->readString16();
-        ALOGV("%s: Read surface name = %s",
-              __FUNCTION__, String8(name).string());
+        const char16_t* name = parcel->readString16Inplace(&len);
+        ALOGV("%s: Read surface name = %s", __FUNCTION__,
+            name != NULL ? String8(name).string() : "<null>");
         sp<IBinder> binder(parcel->readStrongBinder());
         ALOGV("%s: Read surface binder = %p",
               __FUNCTION__, binder.get());
diff --git a/cmds/screenrecord/FrameOutput.cpp b/cmds/screenrecord/FrameOutput.cpp
index 03e0062..bef74f5 100644
--- a/cmds/screenrecord/FrameOutput.cpp
+++ b/cmds/screenrecord/FrameOutput.cpp
@@ -206,7 +206,7 @@
 }
 
 // Callback; executes on arbitrary thread.
-void FrameOutput::onFrameAvailable() {
+void FrameOutput::onFrameAvailable(const BufferItem& /* item */) {
     Mutex::Autolock _l(mMutex);
     mFrameAvailable = true;
     mEventCond.signal();
diff --git a/cmds/screenrecord/FrameOutput.h b/cmds/screenrecord/FrameOutput.h
index c49ec3b..4c0c3be 100644
--- a/cmds/screenrecord/FrameOutput.h
+++ b/cmds/screenrecord/FrameOutput.h
@@ -62,7 +62,7 @@
     }
 
     // (overrides GLConsumer::FrameAvailableListener method)
-    virtual void onFrameAvailable();
+    virtual void onFrameAvailable(const BufferItem& item);
 
     // Reduces RGBA to RGB, in place.
     static void reduceRgbaToRgb(uint8_t* buf, unsigned int pixelCount);
diff --git a/cmds/screenrecord/Overlay.cpp b/cmds/screenrecord/Overlay.cpp
index 7fef53d..c659170 100644
--- a/cmds/screenrecord/Overlay.cpp
+++ b/cmds/screenrecord/Overlay.cpp
@@ -274,7 +274,7 @@
 }
 
 // Callback; executes on arbitrary thread.
-void Overlay::onFrameAvailable() {
+void Overlay::onFrameAvailable(const BufferItem& /* item */) {
     ALOGV("Overlay::onFrameAvailable");
     Mutex::Autolock _l(mMutex);
     mFrameAvailable = true;
diff --git a/cmds/screenrecord/Overlay.h b/cmds/screenrecord/Overlay.h
index b1b5c29..ee3444d 100644
--- a/cmds/screenrecord/Overlay.h
+++ b/cmds/screenrecord/Overlay.h
@@ -78,7 +78,7 @@
             const Program& texRender, TextRenderer& textRenderer);
 
     // (overrides GLConsumer::FrameAvailableListener method)
-    virtual void onFrameAvailable();
+    virtual void onFrameAvailable(const BufferItem& item);
 
     // (overrides Thread method)
     virtual bool threadLoop();
diff --git a/drm/mediadrm/plugins/clearkey/DrmPlugin.h b/drm/mediadrm/plugins/clearkey/DrmPlugin.h
index 27df9cd..6139f1f 100644
--- a/drm/mediadrm/plugins/clearkey/DrmPlugin.h
+++ b/drm/mediadrm/plugins/clearkey/DrmPlugin.h
@@ -113,11 +113,21 @@
         return android::ERROR_DRM_CANNOT_HANDLE;
     }
 
+    virtual status_t getSecureStop(Vector<uint8_t> const &ssid, Vector<uint8_t> &secureStop) {
+        UNUSED(ssid);
+        UNUSED(secureStop);
+        return android::ERROR_DRM_CANNOT_HANDLE;
+    }
+
     virtual status_t releaseSecureStops(const Vector<uint8_t>& ssRelease) {
         UNUSED(ssRelease);
         return android::ERROR_DRM_CANNOT_HANDLE;
     }
 
+    virtual status_t releaseAllSecureStops() {
+        return android::ERROR_DRM_CANNOT_HANDLE;
+    }
+
     virtual status_t getPropertyString(
             const String8& name, String8& value) const;
 
diff --git a/drm/mediadrm/plugins/mock/MockDrmCryptoPlugin.cpp b/drm/mediadrm/plugins/mock/MockDrmCryptoPlugin.cpp
index 2ea554b..7eac0a1 100644
--- a/drm/mediadrm/plugins/mock/MockDrmCryptoPlugin.cpp
+++ b/drm/mediadrm/plugins/mock/MockDrmCryptoPlugin.cpp
@@ -305,6 +305,24 @@
         return OK;
     }
 
+    status_t MockDrmPlugin::getSecureStop(Vector<uint8_t> const &ssid, Vector<uint8_t> &secureStop)
+    {
+        Mutex::Autolock lock(mLock);
+        ALOGD("MockDrmPlugin::getSecureStop()");
+
+        // Properties used in mock test, set by cts test app returned from mock plugin
+        //   byte[] mock-secure-stop  -> first secure stop in list
+
+        ssize_t index = mByteArrayProperties.indexOfKey(String8("mock-secure-stop"));
+        if (index < 0) {
+            ALOGD("Missing 'mock-secure-stop' parameter for mock");
+            return BAD_VALUE;
+        } else {
+            secureStop = mByteArrayProperties.valueAt(index);
+        }
+        return OK;
+    }
+
     status_t MockDrmPlugin::getSecureStops(List<Vector<uint8_t> > &secureStops)
     {
         Mutex::Autolock lock(mLock);
@@ -349,6 +367,13 @@
         return OK;
     }
 
+    status_t MockDrmPlugin::releaseAllSecureStops()
+    {
+        Mutex::Autolock lock(mLock);
+        ALOGD("MockDrmPlugin::releaseAllSecureStops()");
+        return OK;
+    }
+
     status_t MockDrmPlugin::getPropertyString(String8 const &name, String8 &value) const
     {
         ALOGD("MockDrmPlugin::getPropertyString(name=%s)", name.string());
diff --git a/drm/mediadrm/plugins/mock/MockDrmCryptoPlugin.h b/drm/mediadrm/plugins/mock/MockDrmCryptoPlugin.h
index 4b63299..d1d8058 100644
--- a/drm/mediadrm/plugins/mock/MockDrmCryptoPlugin.h
+++ b/drm/mediadrm/plugins/mock/MockDrmCryptoPlugin.h
@@ -88,7 +88,9 @@
         status_t unprovisionDevice();
 
         status_t getSecureStops(List<Vector<uint8_t> > &secureStops);
+        status_t getSecureStop(Vector<uint8_t> const &ssid, Vector<uint8_t> &secureStop);
         status_t releaseSecureStops(Vector<uint8_t> const &ssRelease);
+        status_t releaseAllSecureStops();
 
         status_t getPropertyString(String8 const &name, String8 &value ) const;
         status_t getPropertyByteArray(String8 const &name,
diff --git a/include/camera/ProCamera.h b/include/camera/ProCamera.h
index 83a3028..e9b687a 100644
--- a/include/camera/ProCamera.h
+++ b/include/camera/ProCamera.h
@@ -265,7 +265,7 @@
         }
 
     protected:
-        virtual void onFrameAvailable() {
+        virtual void onFrameAvailable(const BufferItem& /* item */) {
             sp<ProCamera> c = mCamera.promote();
             if (c.get() != NULL) {
                 c->onFrameAvailable(mStreamId);
diff --git a/include/media/AudioEffect.h b/include/media/AudioEffect.h
index 4932d40..583695d 100644
--- a/include/media/AudioEffect.h
+++ b/include/media/AudioEffect.h
@@ -133,10 +133,11 @@
      *
      * Returned value
      *   *descriptor updated with descriptors of pre processings enabled by default
-     *   *count      number of descriptors returned if returned status is N_ERROR.
+     *   *count      number of descriptors returned if returned status is NO_ERROR.
      *               total number of pre processing enabled by default if returned status is
      *               NO_MEMORY. This happens if the count passed as input is less than the number
-     *               of descriptors to return
+     *               of descriptors to return.
+     *               *count is limited to kMaxPreProcessing on return.
      */
     static status_t queryDefaultPreProcessing(int audioSession,
                                               effect_descriptor_t *descriptors,
@@ -391,6 +392,10 @@
       */
      static status_t guidToString(const effect_uuid_t *guid, char *str, size_t maxLen);
 
+     // kMaxPreProcessing is a reasonable value for the maximum number of preprocessing effects
+     // that can be applied simultaneously.
+     static const uint32_t kMaxPreProcessing = 10;
+
 protected:
      bool                    mEnabled;           // enable state
      int32_t                 mSessionId;         // audio session ID
diff --git a/include/media/AudioPolicy.h b/include/media/AudioPolicy.h
new file mode 100644
index 0000000..a755e1e
--- /dev/null
+++ b/include/media/AudioPolicy.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2014 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_POLICY_H
+#define ANDROID_AUDIO_POLICY_H
+
+#include <system/audio.h>
+#include <system/audio_policy.h>
+#include <binder/Parcel.h>
+#include <utils/String8.h>
+#include <utils/Vector.h>
+
+namespace android {
+
+// Keep in sync with AudioMix.java, AudioMixingRule.java, AudioPolicyConfig.java
+#define RULE_EXCLUSION_MASK 0x8000
+#define RULE_MATCH_ATTRIBUTE_USAGE 0x1
+#define RULE_MATCH_ATTRIBUTE_CAPTURE_PRESET (0x1 << 1)
+#define RULE_EXCLUDE_ATTRIBUTE_USAGE (RULE_EXCLUSION_MASK|RULE_MATCH_ATTRIBUTE_USAGE)
+#define RULE_EXCLUDE_ATTRIBUTE_CAPTURE_PRESET \
+    (RULE_EXCLUSION_MASK|RULE_MATCH_ATTRIBUTE_CAPTURE_PRESET)
+
+#define MIX_TYPE_INVALID -1
+#define MIX_TYPE_PLAYERS 0
+#define MIX_TYPE_RECORDERS 1
+
+#define ROUTE_FLAG_RENDER 0x1
+#define ROUTE_FLAG_LOOP_BACK (0x1 << 1)
+
+#define MAX_MIXES_PER_POLICY 10
+#define MAX_CRITERIA_PER_MIX 20
+
+class AttributeMatchCriterion {
+public:
+    AttributeMatchCriterion() {}
+    AttributeMatchCriterion(audio_usage_t usage, audio_source_t source, uint32_t rule);
+
+    status_t readFromParcel(Parcel *parcel);
+    status_t writeToParcel(Parcel *parcel) const;
+
+    union {
+        audio_usage_t   mUsage;
+        audio_source_t  mSource;
+    } mAttr;
+    uint32_t        mRule;
+};
+
+class AudioMix {
+public:
+    AudioMix() {}
+    AudioMix(Vector<AttributeMatchCriterion> criteria, uint32_t mixType, audio_config_t format,
+             uint32_t routeFlags, String8 registrationId) :
+        mCriteria(criteria), mMixType(mixType), mFormat(format),
+        mRouteFlags(routeFlags), mRegistrationId(registrationId) {}
+
+    status_t readFromParcel(Parcel *parcel);
+    status_t writeToParcel(Parcel *parcel) const;
+
+    Vector<AttributeMatchCriterion> mCriteria;
+    uint32_t        mMixType;
+    audio_config_t  mFormat;
+    uint32_t        mRouteFlags;
+    String8         mRegistrationId;
+};
+
+}; // namespace android
+
+#endif  // ANDROID_AUDIO_POLICY_H
diff --git a/include/media/AudioPolicyHelper.h b/include/media/AudioPolicyHelper.h
index f4afd45..79231be 100644
--- a/include/media/AudioPolicyHelper.h
+++ b/include/media/AudioPolicyHelper.h
@@ -18,7 +18,7 @@
 
 #include <system/audio.h>
 
-audio_stream_type_t audio_attributes_to_stream_type(const audio_attributes_t *attr)
+static audio_stream_type_t audio_attributes_to_stream_type(const audio_attributes_t *attr)
 {
     // flags to stream type mapping
     if ((attr->flags & AUDIO_FLAG_AUDIBILITY_ENFORCED) == AUDIO_FLAG_AUDIBILITY_ENFORCED) {
@@ -61,4 +61,55 @@
     }
 }
 
+static void stream_type_to_audio_attributes(audio_stream_type_t streamType,
+                                     audio_attributes_t *attr) {
+    memset(attr, 0, sizeof(audio_attributes_t));
+
+    switch (streamType) {
+    case AUDIO_STREAM_DEFAULT:
+    case AUDIO_STREAM_MUSIC:
+        attr->content_type = AUDIO_CONTENT_TYPE_MUSIC;
+        attr->usage = AUDIO_USAGE_MEDIA;
+        break;
+    case AUDIO_STREAM_VOICE_CALL:
+        attr->content_type = AUDIO_CONTENT_TYPE_SPEECH;
+        attr->usage = AUDIO_USAGE_VOICE_COMMUNICATION;
+        break;
+    case AUDIO_STREAM_ENFORCED_AUDIBLE:
+        attr->flags  |= AUDIO_FLAG_AUDIBILITY_ENFORCED;
+        // intended fall through, attributes in common with STREAM_SYSTEM
+    case AUDIO_STREAM_SYSTEM:
+        attr->content_type = AUDIO_CONTENT_TYPE_SONIFICATION;
+        attr->usage = AUDIO_USAGE_ASSISTANCE_SONIFICATION;
+        break;
+    case AUDIO_STREAM_RING:
+        attr->content_type = AUDIO_CONTENT_TYPE_SONIFICATION;
+        attr->usage = AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE;
+        break;
+    case AUDIO_STREAM_ALARM:
+        attr->content_type = AUDIO_CONTENT_TYPE_SONIFICATION;
+        attr->usage = AUDIO_USAGE_ALARM;
+        break;
+    case AUDIO_STREAM_NOTIFICATION:
+        attr->content_type = AUDIO_CONTENT_TYPE_SONIFICATION;
+        attr->usage = AUDIO_USAGE_NOTIFICATION;
+        break;
+    case AUDIO_STREAM_BLUETOOTH_SCO:
+        attr->content_type = AUDIO_CONTENT_TYPE_SPEECH;
+        attr->usage = AUDIO_USAGE_VOICE_COMMUNICATION;
+        attr->flags |= AUDIO_FLAG_SCO;
+        break;
+    case AUDIO_STREAM_DTMF:
+        attr->content_type = AUDIO_CONTENT_TYPE_SONIFICATION;
+        attr->usage = AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING;
+        break;
+    case AUDIO_STREAM_TTS:
+        attr->content_type = AUDIO_CONTENT_TYPE_SPEECH;
+        attr->usage = AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY;
+        break;
+    default:
+        ALOGE("invalid stream type %d when converting to attributes", streamType);
+    }
+}
+
 #endif //AUDIO_POLICY_HELPER_H_
diff --git a/include/media/AudioRecord.h b/include/media/AudioRecord.h
index 4edc1bf..f70d981 100644
--- a/include/media/AudioRecord.h
+++ b/include/media/AudioRecord.h
@@ -152,6 +152,7 @@
      * transferType:       How data is transferred from AudioRecord.
      * flags:              See comments on audio_input_flags_t in <system/audio.h>
      * threadCanCallJava:  Not present in parameter list, and so is fixed at false.
+     * pAttributes:        if not NULL, supersedes inputSource for use case selection
      */
 
                         AudioRecord(audio_source_t inputSource,
@@ -164,7 +165,8 @@
                                     uint32_t notificationFrames = 0,
                                     int sessionId = AUDIO_SESSION_ALLOCATE,
                                     transfer_type transferType = TRANSFER_DEFAULT,
-                                    audio_input_flags_t flags = AUDIO_INPUT_FLAG_NONE);
+                                    audio_input_flags_t flags = AUDIO_INPUT_FLAG_NONE,
+                                    const audio_attributes_t* pAttributes = NULL);
 
     /* Terminates the AudioRecord and unregisters it from AudioFlinger.
      * Also destroys all resources associated with the AudioRecord.
@@ -198,7 +200,8 @@
                             bool threadCanCallJava = false,
                             int sessionId = AUDIO_SESSION_ALLOCATE,
                             transfer_type transferType = TRANSFER_DEFAULT,
-                            audio_input_flags_t flags = AUDIO_INPUT_FLAG_NONE);
+                            audio_input_flags_t flags = AUDIO_INPUT_FLAG_NONE,
+                            const audio_attributes_t* pAttributes = NULL);
 
     /* Result of constructing the AudioRecord. This must be checked for successful initialization
      * before using any AudioRecord API (except for set()), because using
@@ -219,7 +222,7 @@
             uint32_t    channelCount() const    { return mChannelCount; }
             size_t      frameCount() const  { return mFrameCount; }
             size_t      frameSize() const   { return mFrameSize; }
-            audio_source_t inputSource() const  { return mInputSource; }
+            audio_source_t inputSource() const  { return mAttributes.source; }
 
     /* After it's created the track is not active. Call start() to
      * make it active. If set, the callback will start being called.
@@ -489,7 +492,6 @@
     audio_format_t          mFormat;
     uint32_t                mChannelCount;
     size_t                  mFrameSize;         // app-level frame size == AudioFlinger frame size
-    audio_source_t          mInputSource;
     uint32_t                mLatency;           // in ms
     audio_channel_mask_t    mChannelMask;
     audio_input_flags_t     mFlags;
@@ -529,6 +531,7 @@
 
     sp<DeathNotifier>       mDeathNotifier;
     uint32_t                mSequence;              // incremented for each new IAudioRecord attempt
+    audio_attributes_t      mAttributes;
 };
 
 }; // namespace android
diff --git a/include/media/AudioSystem.h b/include/media/AudioSystem.h
index f8c0198..843a354 100644
--- a/include/media/AudioSystem.h
+++ b/include/media/AudioSystem.h
@@ -18,6 +18,7 @@
 #define ANDROID_AUDIOSYSTEM_H_
 
 #include <hardware/audio_effect.h>
+#include <media/AudioPolicy.h>
 #include <media/IAudioFlingerClient.h>
 #include <media/IAudioPolicyServiceClient.h>
 #include <system/audio.h>
@@ -90,7 +91,7 @@
     static void setErrorCallback(audio_error_callback cb);
 
     // helper function to obtain AudioFlinger service handle
-    static const sp<IAudioFlinger>& get_audio_flinger();
+    static const sp<IAudioFlinger> get_audio_flinger();
 
     static float linearToLog(int volume);
     static int logToLinear(float volume);
@@ -99,8 +100,6 @@
     // to be non-zero if status == NO_ERROR
     static status_t getOutputSamplingRate(uint32_t* samplingRate,
             audio_stream_type_t stream);
-    static status_t getOutputSamplingRateForAttr(uint32_t* samplingRate,
-                const audio_attributes_t *attr);
     static status_t getOutputFrameCount(size_t* frameCount,
             audio_stream_type_t stream);
     static status_t getOutputLatency(uint32_t* latency,
@@ -116,8 +115,6 @@
     static status_t getLatency(audio_io_handle_t output,
                                uint32_t* latency);
 
-    static bool routedToA2dpOutput(audio_stream_type_t streamType);
-
     // return status NO_ERROR implies *buffSize > 0
     static status_t getInputBufferSize(uint32_t sampleRate, audio_format_t format,
         audio_channel_mask_t channelMask, size_t* buffSize);
@@ -219,7 +216,10 @@
                                         audio_channel_mask_t channelMask = AUDIO_CHANNEL_OUT_STEREO,
                                         audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE,
                                         const audio_offload_info_t *offloadInfo = NULL);
-    static audio_io_handle_t getOutputForAttr(const audio_attributes_t *attr,
+    static status_t getOutputForAttr(const audio_attributes_t *attr,
+                                        audio_io_handle_t *output,
+                                        audio_session_t session,
+                                        audio_stream_type_t *stream,
                                         uint32_t samplingRate = 0,
                                         audio_format_t format = AUDIO_FORMAT_DEFAULT,
                                         audio_channel_mask_t channelMask = AUDIO_CHANNEL_OUT_STEREO,
@@ -227,20 +227,23 @@
                                         const audio_offload_info_t *offloadInfo = NULL);
     static status_t startOutput(audio_io_handle_t output,
                                 audio_stream_type_t stream,
-                                int session);
+                                audio_session_t session);
     static status_t stopOutput(audio_io_handle_t output,
                                audio_stream_type_t stream,
-                               int session);
-    static void releaseOutput(audio_io_handle_t output);
+                               audio_session_t session);
+    static void releaseOutput(audio_io_handle_t output,
+                              audio_stream_type_t stream,
+                              audio_session_t session);
 
     // Client must successfully hand off the handle reference to AudioFlinger via openRecord(),
     // or release it with releaseInput().
-    static audio_io_handle_t getInput(audio_source_t inputSource,
+    static status_t getInputForAttr(const audio_attributes_t *attr,
+                                    audio_io_handle_t *input,
+                                    audio_session_t session,
                                     uint32_t samplingRate,
                                     audio_format_t format,
                                     audio_channel_mask_t channelMask,
-                                    int sessionId,
-                                    audio_input_flags_t);
+                                    audio_input_flags_t flags);
 
     static status_t startInput(audio_io_handle_t input,
                                audio_session_t session);
@@ -274,7 +277,7 @@
     // and output configuration cache (gOutputs)
     static void clearAudioConfigCache();
 
-    static const sp<IAudioPolicyService>& get_audio_policy_service();
+    static const sp<IAudioPolicyService> get_audio_policy_service();
 
     // helpers for android.media.AudioManager.getProperty(), see description there for meaning
     static uint32_t getPrimaryOutputSamplingRate();
@@ -322,6 +325,8 @@
 
     static audio_mode_t getPhoneState();
 
+    static status_t registerPolicyMixes(Vector<AudioMix> mixes, bool registration);
+
     // ----------------------------------------------------------------------------
 
     class AudioPortCallback : public RefBase
@@ -377,7 +382,11 @@
     friend class AudioFlingerClient;
     friend class AudioPolicyServiceClient;
 
-    static Mutex gLock;
+    static Mutex gLock;      // protects gAudioFlinger and gAudioErrorCallback,
+    static Mutex gLockCache; // protects gOutputs, gPrevInSamplingRate, gPrevInFormat,
+                             // gPrevInChannelMask and gInBuffSize
+    static Mutex gLockAPS;   // protects gAudioPolicyService and gAudioPolicyServiceClient
+    static Mutex gLockAPC;   // protects gAudioPortCallback
     static sp<IAudioFlinger> gAudioFlinger;
     static audio_error_callback gAudioErrorCallback;
 
diff --git a/include/media/AudioTrack.h b/include/media/AudioTrack.h
index b5256f0..fd51b8f 100644
--- a/include/media/AudioTrack.h
+++ b/include/media/AudioTrack.h
@@ -239,6 +239,9 @@
      * Parameters not listed in the AudioTrack constructors above:
      *
      * threadCanCallJava:  Whether callbacks are made from an attached thread and thus can call JNI.
+     *
+     * Internal state post condition:
+     *      (mStreamType == AUDIO_STREAM_DEFAULT) implies this AudioTrack has valid attributes
      */
             status_t    set(audio_stream_type_t streamType,
                             uint32_t sampleRate,
@@ -273,7 +276,7 @@
 
     /* getters, see constructors and set() */
 
-            audio_stream_type_t streamType() const { return mStreamType; }
+            audio_stream_type_t streamType() const;
             audio_format_t format() const   { return mFormat; }
 
     /* Return frame size in bytes, which for linear PCM is
@@ -598,9 +601,6 @@
             AudioTrack& operator = (const AudioTrack& other);
 
             void        setAttributesFromStreamType(audio_stream_type_t streamType);
-            void        setStreamTypeFromAttributes(audio_attributes_t& aa);
-    /* paa is guaranteed non-NULL */
-            bool        isValidAttributes(const audio_attributes_t *paa);
 
     /* a small internal class to handle the callback */
     class AudioTrackThread : public Thread
@@ -688,7 +688,8 @@
 
     // constant after constructor or set()
     audio_format_t          mFormat;                // as requested by client, not forced to 16-bit
-    audio_stream_type_t     mStreamType;
+    audio_stream_type_t     mStreamType;            // mStreamType == AUDIO_STREAM_DEFAULT implies
+                                                    // this AudioTrack has valid attributes
     uint32_t                mChannelCount;
     audio_channel_mask_t    mChannelMask;
     sp<IMemory>             mSharedBuffer;
diff --git a/include/media/IAudioPolicyService.h b/include/media/IAudioPolicyService.h
index 16fe9cf..c98c475 100644
--- a/include/media/IAudioPolicyService.h
+++ b/include/media/IAudioPolicyService.h
@@ -25,6 +25,7 @@
 #include <utils/Errors.h>
 #include <binder/IInterface.h>
 #include <media/AudioSystem.h>
+#include <media/AudioPolicy.h>
 #include <media/IAudioPolicyServiceClient.h>
 
 #include <system/audio_policy.h>
@@ -56,25 +57,31 @@
                                         audio_channel_mask_t channelMask = 0,
                                         audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE,
                                         const audio_offload_info_t *offloadInfo = NULL) = 0;
-    virtual audio_io_handle_t getOutputForAttr(const audio_attributes_t *attr,
-                                            uint32_t samplingRate = 0,
-                                            audio_format_t format = AUDIO_FORMAT_DEFAULT,
-                                            audio_channel_mask_t channelMask = 0,
-                                            audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE,
-                                            const audio_offload_info_t *offloadInfo = NULL) = 0;
+    virtual status_t getOutputForAttr(const audio_attributes_t *attr,
+                                        audio_io_handle_t *output,
+                                        audio_session_t session,
+                                        audio_stream_type_t *stream,
+                                        uint32_t samplingRate = 0,
+                                        audio_format_t format = AUDIO_FORMAT_DEFAULT,
+                                        audio_channel_mask_t channelMask = 0,
+                                        audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE,
+                                        const audio_offload_info_t *offloadInfo = NULL) = 0;
     virtual status_t startOutput(audio_io_handle_t output,
                                  audio_stream_type_t stream,
-                                 int session = 0) = 0;
+                                 audio_session_t session) = 0;
     virtual status_t stopOutput(audio_io_handle_t output,
                                 audio_stream_type_t stream,
-                                int session = 0) = 0;
-    virtual void releaseOutput(audio_io_handle_t output) = 0;
-    virtual audio_io_handle_t getInput(audio_source_t inputSource,
-                                    uint32_t samplingRate,
-                                    audio_format_t format,
-                                    audio_channel_mask_t channelMask,
-                                    int audioSession,
-                                    audio_input_flags_t flags) = 0;
+                                audio_session_t session) = 0;
+    virtual void releaseOutput(audio_io_handle_t output,
+                               audio_stream_type_t stream,
+                               audio_session_t session) = 0;
+    virtual status_t  getInputForAttr(const audio_attributes_t *attr,
+                                      audio_io_handle_t *input,
+                                      audio_session_t session,
+                                      uint32_t samplingRate,
+                                      audio_format_t format,
+                                      audio_channel_mask_t channelMask,
+                                      audio_input_flags_t flags) = 0;
     virtual status_t startInput(audio_io_handle_t input,
                                 audio_session_t session) = 0;
     virtual status_t stopInput(audio_io_handle_t input,
@@ -144,6 +151,8 @@
     virtual status_t releaseSoundTriggerSession(audio_session_t session) = 0;
 
     virtual audio_mode_t getPhoneState() = 0;
+
+    virtual status_t registerPolicyMixes(Vector<AudioMix> mixes, bool registration) = 0;
 };
 
 
diff --git a/include/media/ICrypto.h b/include/media/ICrypto.h
index 9dcb8d9..07742ca 100644
--- a/include/media/ICrypto.h
+++ b/include/media/ICrypto.h
@@ -41,6 +41,8 @@
     virtual bool requiresSecureDecoderComponent(
             const char *mime) const = 0;
 
+    virtual void notifyResolution(uint32_t width, uint32_t height) = 0;
+
     virtual ssize_t decrypt(
             bool secure,
             const uint8_t key[16],
@@ -64,4 +66,3 @@
 }  // namespace android
 
 #endif // ANDROID_ICRYPTO_H_
-
diff --git a/include/media/IDrm.h b/include/media/IDrm.h
index 68de87a..affcbd7 100644
--- a/include/media/IDrm.h
+++ b/include/media/IDrm.h
@@ -73,8 +73,10 @@
     virtual status_t unprovisionDevice() = 0;
 
     virtual status_t getSecureStops(List<Vector<uint8_t> > &secureStops) = 0;
+    virtual status_t getSecureStop(Vector<uint8_t> const &ssid, Vector<uint8_t> &secureStop) = 0;
 
     virtual status_t releaseSecureStops(Vector<uint8_t> const &ssRelease) = 0;
+    virtual status_t releaseAllSecureStops() = 0;
 
     virtual status_t getPropertyString(String8 const &name, String8 &value) const = 0;
     virtual status_t getPropertyByteArray(String8 const &name,
@@ -137,4 +139,3 @@
 }  // namespace android
 
 #endif // ANDROID_IDRM_H_
-
diff --git a/include/media/MediaPlayerInterface.h b/include/media/MediaPlayerInterface.h
index cf18a45..c412299 100644
--- a/include/media/MediaPlayerInterface.h
+++ b/include/media/MediaPlayerInterface.h
@@ -208,8 +208,15 @@
 
     void        sendEvent(int msg, int ext1=0, int ext2=0,
                           const Parcel *obj=NULL) {
-        Mutex::Autolock autoLock(mNotifyLock);
-        if (mNotify) mNotify(mCookie, msg, ext1, ext2, obj);
+        notify_callback_f notifyCB;
+        void* cookie;
+        {
+            Mutex::Autolock autoLock(mNotifyLock);
+            notifyCB = mNotify;
+            cookie = mCookie;
+        }
+
+        if (notifyCB) notifyCB(cookie, msg, ext1, ext2, obj);
     }
 
     virtual status_t dump(int fd, const Vector<String16> &args) const {
diff --git a/include/media/stagefright/ACodec.h b/include/media/stagefright/ACodec.h
index d77ddaf..4d4ce90 100644
--- a/include/media/stagefright/ACodec.h
+++ b/include/media/stagefright/ACodec.h
@@ -120,6 +120,7 @@
         kWhatSetParameters           = 'setP',
         kWhatSubmitOutputMetaDataBufferIfEOS = 'subm',
         kWhatOMXDied                 = 'OMXd',
+        kWhatReleaseCodecInstance    = 'relC',
     };
 
     enum {
@@ -181,6 +182,7 @@
     sp<ANativeWindow> mNativeWindow;
     sp<AMessage> mInputFormat;
     sp<AMessage> mOutputFormat;
+    sp<AMessage> mBaseOutputFormat;
 
     Vector<BufferInfo> mBuffers[2];
     bool mPortEOS[2];
diff --git a/include/media/stagefright/MediaCodec.h b/include/media/stagefright/MediaCodec.h
index bca78b9..54a4e8b 100644
--- a/include/media/stagefright/MediaCodec.h
+++ b/include/media/stagefright/MediaCodec.h
@@ -205,6 +205,7 @@
         kFlagIsEncoder                  = 256,
         kFlagGatherCodecSpecificData    = 512,
         kFlagIsAsync                    = 1024,
+        kFlagIsComponentAllocated       = 2048,
     };
 
     struct BufferInfo {
diff --git a/include/media/stagefright/MediaCodecList.h b/include/media/stagefright/MediaCodecList.h
index 8605d99..c2bbe4d 100644
--- a/include/media/stagefright/MediaCodecList.h
+++ b/include/media/stagefright/MediaCodecList.h
@@ -52,6 +52,12 @@
     static sp<IMediaCodecList> getLocalInstance();
 
 private:
+    class BinderDeathObserver : public IBinder::DeathRecipient {
+        void binderDied(const wp<IBinder> &the_late_who __unused);
+    };
+
+    static sp<BinderDeathObserver> sBinderDeathObserver;
+
     enum Section {
         SECTION_TOPLEVEL,
         SECTION_DECODERS,
diff --git a/include/media/stagefright/MediaCodecSource.h b/include/media/stagefright/MediaCodecSource.h
index 3629c8b..0970b2b 100644
--- a/include/media/stagefright/MediaCodecSource.h
+++ b/include/media/stagefright/MediaCodecSource.h
@@ -85,8 +85,6 @@
     status_t initEncoder();
     void releaseEncoder();
     status_t feedEncoderInputBuffers();
-    void scheduleDoMoreWork();
-    status_t doMoreWork(int32_t numInput, int32_t numOutput);
     void suspend();
     void resume(int64_t skipFramesBeforeUs = -1ll);
     void signalEOS(status_t err = ERROR_END_OF_STREAM);
@@ -108,8 +106,6 @@
     bool mDoMoreWorkPending;
     sp<AMessage> mEncoderActivityNotify;
     sp<IGraphicBufferProducer> mGraphicBufferProducer;
-    Vector<sp<ABuffer> > mEncoderInputBuffers;
-    Vector<sp<ABuffer> > mEncoderOutputBuffers;
     List<MediaBuffer *> mInputBufferQueue;
     List<size_t> mAvailEncoderInputIndices;
     List<int64_t> mDecodingTimeQueue; // decoding time (us) for video
diff --git a/include/media/stagefright/SurfaceMediaSource.h b/include/media/stagefright/SurfaceMediaSource.h
index ffe4f4c..2177c00 100644
--- a/include/media/stagefright/SurfaceMediaSource.h
+++ b/include/media/stagefright/SurfaceMediaSource.h
@@ -126,7 +126,7 @@
     // Implementation of the BufferQueue::ConsumerListener interface.  These
     // calls are used to notify the Surface of asynchronous events in the
     // BufferQueue.
-    virtual void onFrameAvailable();
+    virtual void onFrameAvailable(const BufferItem& item);
 
     // Used as a hook to BufferQueue::disconnect()
     // This is called by the client side when it is done
diff --git a/include/media/stagefright/foundation/ADebug.h b/include/media/stagefright/foundation/ADebug.h
index 450dcfe..1d0e2cb 100644
--- a/include/media/stagefright/foundation/ADebug.h
+++ b/include/media/stagefright/foundation/ADebug.h
@@ -80,6 +80,36 @@
             __FILE__ ":" LITERAL_TO_STRING(__LINE__)            \
                 " Should not be here.");
 
+struct ADebug {
+    enum Level {
+        kDebugNone,             // no debug
+        kDebugLifeCycle,        // lifecycle events: creation/deletion
+        kDebugState,            // commands and events
+        kDebugConfig,           // configuration
+        kDebugInternalState,    // internal state changes
+        kDebugAll,              // all
+        kDebugMax = kDebugAll,
+
+    };
+
+    // parse the property or string to get the debug level for a component name
+    // string format is:
+    // <level>[:<glob>][,<level>[:<glob>]...]
+    // - <level> is 0-5 corresponding to ADebug::Level
+    // - <glob> is used to match component name case insensitively, if omitted, it
+    //   matches all components
+    // - string is read left-to-right, and the last matching level is returned, or
+    //   the def if no terms matched
+    static Level GetDebugLevelFromProperty(
+            const char *name, const char *propertyName, Level def = kDebugNone);
+    static Level GetDebugLevelFromString(
+            const char *name, const char *value, Level def = kDebugNone);
+
+    // remove redundant segments of a codec name, and return a newly allocated
+    // string suitable for debugging
+    static char *GetDebugName(const char *name);
+};
+
 }  // namespace android
 
 #endif  // A_DEBUG_H_
diff --git a/include/media/stagefright/foundation/AStringUtils.h b/include/media/stagefright/foundation/AStringUtils.h
new file mode 100644
index 0000000..76a7791
--- /dev/null
+++ b/include/media/stagefright/foundation/AStringUtils.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2014 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 A_STRING_UTILS_H_
+#define A_STRING_UTILS_H_
+
+#include <stdlib.h>
+
+namespace android {
+
+struct AStringUtils {
+    // similar to strncmp or strcasecmp, but case sensitivity is parametric
+    static int Compare(const char *a, const char *b, size_t len, bool ignoreCase);
+
+    // matches a string (str) to a glob pattern that supports:
+    //    * - matches any number of characters
+    static bool MatchesGlob(
+            const char *glob, size_t globLen, const char *str, size_t strLen, bool ignoreCase);
+};
+
+}  // namespace android
+
+#endif  // A_STRING_UTILS_H_
diff --git a/include/media/stagefright/foundation/AUtils.h b/include/media/stagefright/foundation/AUtils.h
index 3a73a39..d7ecf50 100644
--- a/include/media/stagefright/foundation/AUtils.h
+++ b/include/media/stagefright/foundation/AUtils.h
@@ -40,6 +40,12 @@
     }
 }
 
+/* == ceil(nom / den) * den. T must be integer type, alignment must be positive power of 2 */
+template<class T, class U>
+inline static const T align(const T &nom, const U &den) {
+    return (nom + (T)(den - 1)) & (T)~(den - 1);
+}
+
 template<class T>
 inline static T abs(const T &a) {
     return a < 0 ? -a : a;
diff --git a/include/private/media/AudioTrackShared.h b/include/private/media/AudioTrackShared.h
index fa1b20a..31dff36 100644
--- a/include/private/media/AudioTrackShared.h
+++ b/include/private/media/AudioTrackShared.h
@@ -450,7 +450,14 @@
     ssize_t             pollPosition(); // poll for state queue update, and return current position
     StaticAudioTrackSingleStateQueue::Observer  mObserver;
     size_t              mPosition;  // server's current play position in frames, relative to 0
-    size_t              mEnd;       // cached value computed from mState, safe for asynchronous read
+
+    size_t              mFramesReadySafe; // Assuming size_t read/writes are atomic on 32 / 64 bit
+                                          // processors, this is a thread-safe version of
+                                          // mFramesReady.
+    int64_t             mFramesReady;     // The number of frames ready in the static buffer
+                                          // including loops.  This is 64 bits since loop mode
+                                          // can cause a track to appear to have a large number
+                                          // of frames. INT64_MAX means an infinite loop.
     bool                mFramesReadyIsCalledByMultipleThreads;
     StaticAudioTrackState   mState;
 };
diff --git a/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp b/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp
index 6c2cbe3..6aeb919 100644
--- a/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp
+++ b/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp
@@ -766,6 +766,122 @@
     return 0;
 }    /* end LvmBundle_process */
 
+
+//----------------------------------------------------------------------------
+// EqualizerUpdateActiveParams()
+//----------------------------------------------------------------------------
+// Purpose: Update ActiveParams for Equalizer
+//
+// Inputs:
+//  pContext:   effect engine context
+//
+// Outputs:
+//
+//----------------------------------------------------------------------------
+void EqualizerUpdateActiveParams(EffectContext *pContext) {
+    LVM_ControlParams_t     ActiveParams;              /* Current control Parameters */
+    LVM_ReturnStatus_en     LvmStatus=LVM_SUCCESS;     /* Function call status */
+
+    /* Get the current settings */
+    LvmStatus = LVM_GetControlParameters(pContext->pBundledContext->hInstance, &ActiveParams);
+    LVM_ERROR_CHECK(LvmStatus, "LVM_GetControlParameters", "EqualizerUpdateActiveParams")
+    //ALOGV("\tEqualizerUpdateActiveParams Succesfully returned from LVM_GetControlParameters\n");
+    //ALOGV("\tEqualizerUpdateActiveParams just Got -> %d\n",
+    //          ActiveParams.pEQNB_BandDefinition[band].Gain);
+
+
+    for (int i = 0; i < FIVEBAND_NUMBANDS; i++) {
+           ActiveParams.pEQNB_BandDefinition[i].Frequency = EQNB_5BandPresetsFrequencies[i];
+           ActiveParams.pEQNB_BandDefinition[i].QFactor   = EQNB_5BandPresetsQFactors[i];
+           ActiveParams.pEQNB_BandDefinition[i].Gain = pContext->pBundledContext->bandGaindB[i];
+       }
+
+    /* Activate the initial settings */
+    LvmStatus = LVM_SetControlParameters(pContext->pBundledContext->hInstance, &ActiveParams);
+    LVM_ERROR_CHECK(LvmStatus, "LVM_SetControlParameters", "EqualizerUpdateActiveParams")
+    //ALOGV("\tEqualizerUpdateActiveParams just Set -> %d\n",
+    //          ActiveParams.pEQNB_BandDefinition[band].Gain);
+
+}
+
+//----------------------------------------------------------------------------
+// LvmEffect_limitLevel()
+//----------------------------------------------------------------------------
+// Purpose: limit the overall level to a value less than 0 dB preserving
+//          the overall EQ band gain and BassBoost relative levels.
+//
+// Inputs:
+//  pContext:   effect engine context
+//
+// Outputs:
+//
+//----------------------------------------------------------------------------
+void LvmEffect_limitLevel(EffectContext *pContext) {
+    LVM_ControlParams_t     ActiveParams;              /* Current control Parameters */
+    LVM_ReturnStatus_en     LvmStatus=LVM_SUCCESS;     /* Function call status */
+
+    /* Get the current settings */
+    LvmStatus = LVM_GetControlParameters(pContext->pBundledContext->hInstance, &ActiveParams);
+    LVM_ERROR_CHECK(LvmStatus, "LVM_GetControlParameters", "LvmEffect_limitLevel")
+    //ALOGV("\tLvmEffect_limitLevel Succesfully returned from LVM_GetControlParameters\n");
+    //ALOGV("\tLvmEffect_limitLevel just Got -> %d\n",
+    //          ActiveParams.pEQNB_BandDefinition[band].Gain);
+
+    int gainCorrection = 0;
+    //Count the energy contribution per band for EQ and BassBoost only if they are active.
+    float energyContribution = 0;
+
+    //EQ contribution
+    if (pContext->pBundledContext->bEqualizerEnabled == LVM_TRUE) {
+        for (int i = 0; i < FIVEBAND_NUMBANDS; i++) {
+            float bandEnergy = (pContext->pBundledContext->bandGaindB[i] *
+                    LimitLevel_bandEnergyContribution[i])/15.0;
+            if (bandEnergy > 0)
+                energyContribution += bandEnergy;
+        }
+    }
+
+    //BassBoost contribution
+    if (pContext->pBundledContext->bBassEnabled == LVM_TRUE) {
+        float bandEnergy = (pContext->pBundledContext->BassStrengthSaved *
+                LimitLevel_bassBoostEnergyContribution)/1000.0;
+        if (bandEnergy > 0)
+            energyContribution += bandEnergy;
+    }
+
+    //Virtualizer contribution
+    if (pContext->pBundledContext->bVirtualizerEnabled == LVM_TRUE) {
+                   energyContribution += LimitLevel_virtualizerContribution;
+        }
+
+    //roundoff
+    int maxLevelRound = (int)(energyContribution + 0.99);
+    if (maxLevelRound + pContext->pBundledContext->volume > 0) {
+        gainCorrection = maxLevelRound + pContext->pBundledContext->volume;
+    }
+
+    ActiveParams.VC_EffectLevel  = pContext->pBundledContext->volume - gainCorrection;
+    if (ActiveParams.VC_EffectLevel < -96) {
+        ActiveParams.VC_EffectLevel = -96;
+    }
+    ALOGV("\tVol:%d, GainCorrection: %d, Actual vol: %d", pContext->pBundledContext->volume,
+            gainCorrection, ActiveParams.VC_EffectLevel);
+
+    /* Activate the initial settings */
+    LvmStatus = LVM_SetControlParameters(pContext->pBundledContext->hInstance, &ActiveParams);
+    LVM_ERROR_CHECK(LvmStatus, "LVM_SetControlParameters", "LvmEffect_limitLevel")
+    //ALOGV("\tLvmEffect_limitLevel just Set -> %d\n",
+    //          ActiveParams.pEQNB_BandDefinition[band].Gain);
+
+    //ALOGV("\tLvmEffect_limitLevel just set (-96dB -> 0dB) -> %d\n",ActiveParams.VC_EffectLevel );
+    if (pContext->pBundledContext->firstVolume == LVM_TRUE){
+        LvmStatus = LVM_SetVolumeNoSmoothing(pContext->pBundledContext->hInstance, &ActiveParams);
+        LVM_ERROR_CHECK(LvmStatus, "LVM_SetVolumeNoSmoothing", "LvmBundle_process")
+        ALOGV("\tLVM_VOLUME: Disabling Smoothing for first volume change to remove spikes/clicks");
+        pContext->pBundledContext->firstVolume = LVM_FALSE;
+    }
+}
+
 //----------------------------------------------------------------------------
 // LvmEffect_enable()
 //----------------------------------------------------------------------------
@@ -814,6 +930,7 @@
 
     //ALOGV("\tLvmEffect_enable Succesfully called LVM_SetControlParameters\n");
     //ALOGV("\tLvmEffect_enable end");
+    LvmEffect_limitLevel(pContext);
     return 0;
 }
 
@@ -864,6 +981,7 @@
 
     //ALOGV("\tLvmEffect_disable Succesfully called LVM_SetControlParameters\n");
     //ALOGV("\tLvmEffect_disable end");
+    LvmEffect_limitLevel(pContext);
     return 0;
 }
 
@@ -1099,6 +1217,8 @@
 
     LVM_ERROR_CHECK(LvmStatus, "LVM_SetControlParameters", "BassSetStrength")
     //ALOGV("\tBassSetStrength Succesfully called LVM_SetControlParameters\n");
+
+    LvmEffect_limitLevel(pContext);
 }    /* end BassSetStrength */
 
 //----------------------------------------------------------------------------
@@ -1159,13 +1279,14 @@
     /* Virtualizer parameters */
     ActiveParams.CS_EffectLevel             = (int)((strength*32767)/1000);
 
-    //ALOGV("\tVirtualizerSetStrength() (0-1000)   -> %d\n", strength );
-    //ALOGV("\tVirtualizerSetStrength() (0- 100)   -> %d\n", ActiveParams.CS_EffectLevel );
+    ALOGV("\tVirtualizerSetStrength() (0-1000)   -> %d\n", strength );
+    ALOGV("\tVirtualizerSetStrength() (0- 100)   -> %d\n", ActiveParams.CS_EffectLevel );
 
     /* Activate the initial settings */
     LvmStatus = LVM_SetControlParameters(pContext->pBundledContext->hInstance, &ActiveParams);
     LVM_ERROR_CHECK(LvmStatus, "LVM_SetControlParameters", "VirtualizerSetStrength")
     //ALOGV("\tVirtualizerSetStrength Succesfully called LVM_SetControlParameters\n\n");
+    LvmEffect_limitLevel(pContext);
 }    /* end setStrength */
 
 //----------------------------------------------------------------------------
@@ -1236,10 +1357,12 @@
     bool useVirtualizer = false;
 
     if (VirtualizerIsDeviceSupported(forcedDevice) != 0) {
-        // forced device is not supported, make it behave as a reset of forced mode
-        forcedDevice = AUDIO_DEVICE_NONE;
-        // but return an error
-        status = -EINVAL;
+        if (forcedDevice != AUDIO_DEVICE_NONE) {
+            //forced device is not supported, make it behave as a reset of forced mode
+            forcedDevice = AUDIO_DEVICE_NONE;
+            // but return an error
+            status = -EINVAL;
+        }
     }
 
     if (forcedDevice == AUDIO_DEVICE_NONE) {
@@ -1341,104 +1464,6 @@
 }
 
 //----------------------------------------------------------------------------
-// EqualizerLimitBandLevels()
-//----------------------------------------------------------------------------
-// Purpose: limit all EQ band gains to a value less than 0 dB while
-//          preserving the relative band levels.
-//
-// Inputs:
-//  pContext:   effect engine context
-//
-// Outputs:
-//
-//----------------------------------------------------------------------------
-void EqualizerLimitBandLevels(EffectContext *pContext) {
-    LVM_ControlParams_t     ActiveParams;              /* Current control Parameters */
-    LVM_ReturnStatus_en     LvmStatus=LVM_SUCCESS;     /* Function call status */
-
-    /* Get the current settings */
-    LvmStatus = LVM_GetControlParameters(pContext->pBundledContext->hInstance, &ActiveParams);
-    LVM_ERROR_CHECK(LvmStatus, "LVM_GetControlParameters", "EqualizerLimitBandLevels")
-    //ALOGV("\tEqualizerLimitBandLevels Succesfully returned from LVM_GetControlParameters\n");
-    //ALOGV("\tEqualizerLimitBandLevels just Got -> %d\n",
-    //          ActiveParams.pEQNB_BandDefinition[band].Gain);
-
-    // Apply a volume correction to avoid clipping in the EQ based on 2 factors:
-    // - the maximum EQ band gain: the volume correction is such that the total of volume + max
-    // band gain is <= 0 dB
-    // - the average gain in all bands weighted by their proximity to max gain band.
-    int maxGain = 0;
-    int avgGain = 0;
-    int avgCount = 0;
-    for (int i = 0; i < FIVEBAND_NUMBANDS; i++) {
-        if (pContext->pBundledContext->bandGaindB[i] >= maxGain) {
-            int tmpMaxGain = pContext->pBundledContext->bandGaindB[i];
-            int tmpAvgGain = 0;
-            int tmpAvgCount = 0;
-            for (int j = 0; j < FIVEBAND_NUMBANDS; j++) {
-                int gain = pContext->pBundledContext->bandGaindB[j];
-                // skip current band and gains < 0 dB
-                if (j == i || gain < 0)
-                    continue;
-                // no need to continue if one band not processed yet has a higher gain than current
-                // max
-                if (gain > tmpMaxGain) {
-                    // force skipping "if (tmpAvgGain >= avgGain)" below as tmpAvgGain is not
-                    // meaningful in this case
-                    tmpAvgGain = -1;
-                    break;
-                }
-
-                int weight = 1;
-                if (j < (i + 2) && j > (i - 2))
-                    weight = 4;
-                tmpAvgGain += weight * gain;
-                tmpAvgCount += weight;
-            }
-            if (tmpAvgGain >= avgGain) {
-                maxGain = tmpMaxGain;
-                avgGain = tmpAvgGain;
-                avgCount = tmpAvgCount;
-            }
-        }
-        ActiveParams.pEQNB_BandDefinition[i].Frequency = EQNB_5BandPresetsFrequencies[i];
-        ActiveParams.pEQNB_BandDefinition[i].QFactor   = EQNB_5BandPresetsQFactors[i];
-        ActiveParams.pEQNB_BandDefinition[i].Gain = pContext->pBundledContext->bandGaindB[i];
-    }
-
-    int gainCorrection = 0;
-    if (maxGain + pContext->pBundledContext->volume > 0) {
-        gainCorrection = maxGain + pContext->pBundledContext->volume;
-    }
-    if (avgCount) {
-        gainCorrection += avgGain/avgCount;
-    }
-
-    ALOGV("EqualizerLimitBandLevels() gainCorrection %d maxGain %d avgGain %d avgCount %d",
-            gainCorrection, maxGain, avgGain, avgCount);
-
-    ActiveParams.VC_EffectLevel  = pContext->pBundledContext->volume - gainCorrection;
-    if (ActiveParams.VC_EffectLevel < -96) {
-        ActiveParams.VC_EffectLevel = -96;
-    }
-
-    /* Activate the initial settings */
-    LvmStatus = LVM_SetControlParameters(pContext->pBundledContext->hInstance, &ActiveParams);
-    LVM_ERROR_CHECK(LvmStatus, "LVM_SetControlParameters", "EqualizerLimitBandLevels")
-    //ALOGV("\tEqualizerLimitBandLevels just Set -> %d\n",
-    //          ActiveParams.pEQNB_BandDefinition[band].Gain);
-
-    //ALOGV("\tEqualizerLimitBandLevels just set (-96dB -> 0dB)   -> %d\n",ActiveParams.VC_EffectLevel );
-    if(pContext->pBundledContext->firstVolume == LVM_TRUE){
-        LvmStatus = LVM_SetVolumeNoSmoothing(pContext->pBundledContext->hInstance, &ActiveParams);
-        LVM_ERROR_CHECK(LvmStatus, "LVM_SetVolumeNoSmoothing", "LvmBundle_process")
-        ALOGV("\tLVM_VOLUME: Disabling Smoothing for first volume change to remove spikes/clicks");
-        pContext->pBundledContext->firstVolume = LVM_FALSE;
-    }
-}
-
-
-//----------------------------------------------------------------------------
 // EqualizerGetBandLevel()
 //----------------------------------------------------------------------------
 // Purpose: Retrieve the gain currently being used for the band passed in
@@ -1480,7 +1505,8 @@
     pContext->pBundledContext->bandGaindB[band] = gainRounded;
     pContext->pBundledContext->CurPreset = PRESET_CUSTOM;
 
-    EqualizerLimitBandLevels(pContext);
+    EqualizerUpdateActiveParams(pContext);
+    LvmEffect_limitLevel(pContext);
 }
 
 //----------------------------------------------------------------------------
@@ -1615,7 +1641,8 @@
                 EQNB_5BandSoftPresets[i + preset * FIVEBAND_NUMBANDS];
     }
 
-    EqualizerLimitBandLevels(pContext);
+    EqualizerUpdateActiveParams(pContext);
+    LvmEffect_limitLevel(pContext);
 
     //ALOGV("\tEqualizerSetPreset Succesfully called LVM_SetControlParameters\n");
     return;
@@ -1670,7 +1697,7 @@
         pContext->pBundledContext->volume = level / 100;
     }
 
-    EqualizerLimitBandLevels(pContext);
+    LvmEffect_limitLevel(pContext);
 
     return 0;
 }    /* end VolumeSetVolumeLevel */
@@ -1719,7 +1746,7 @@
         pContext->pBundledContext->volume = pContext->pBundledContext->levelSaved;
     }
 
-    EqualizerLimitBandLevels(pContext);
+    LvmEffect_limitLevel(pContext);
 
     return 0;
 }    /* end setMute */
diff --git a/media/libeffects/lvm/wrapper/Bundle/EffectBundle.h b/media/libeffects/lvm/wrapper/Bundle/EffectBundle.h
index 420f973..b3071f4 100644
--- a/media/libeffects/lvm/wrapper/Bundle/EffectBundle.h
+++ b/media/libeffects/lvm/wrapper/Bundle/EffectBundle.h
@@ -142,6 +142,7 @@
                                        {1800001, 7000000},
                                        {7000001, 1}};
 
+//Note: If these frequencies change, please update LimitLevel values accordingly.
 static const LVM_UINT16  EQNB_5BandPresetsFrequencies[] = {
                                        60,           /* Frequencies in Hz */
                                        230,
@@ -192,6 +193,20 @@
                                         {"Pop"},
                                         {"Rock"}};
 
+/* The following tables have been computed using the actual levels measured by the output of
+ * white noise or pink noise (IEC268-1) for the EQ and BassBoost Effects. These are estimates of
+ * the actual energy that 'could' be present in the given band.
+ * If the frequency values in EQNB_5BandPresetsFrequencies change, these values might need to be
+ * updated.
+ */
+
+static const float LimitLevel_bandEnergyContribution[FIVEBAND_NUMBANDS] = {
+        5.0, 6.5, 6.45, 4.8, 1.7 };
+
+static const float LimitLevel_bassBoostEnergyContribution = 6.7;
+
+static const float LimitLevel_virtualizerContribution = 1.9;
+
 #if __cplusplus
 }  // extern "C"
 #endif
diff --git a/media/libmedia/Android.mk b/media/libmedia/Android.mk
index ac770f1..b61228f 100644
--- a/media/libmedia/Android.mk
+++ b/media/libmedia/Android.mk
@@ -59,7 +59,8 @@
     MemoryLeakTrackUtil.cpp \
     SoundPool.cpp \
     SoundPoolThread.cpp \
-    StringArray.cpp
+    StringArray.cpp \
+    AudioPolicy.cpp
 
 LOCAL_SRC_FILES += ../libnbaio/roundup.c
 
diff --git a/media/libmedia/AudioPolicy.cpp b/media/libmedia/AudioPolicy.cpp
new file mode 100644
index 0000000..d2d0971
--- /dev/null
+++ b/media/libmedia/AudioPolicy.cpp
@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2014 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 "AudioPolicy"
+//#define LOG_NDEBUG 0
+#include <utils/Log.h>
+#include <media/AudioPolicy.h>
+
+namespace android {
+
+//
+//  AttributeMatchCriterion implementation
+//
+AttributeMatchCriterion::AttributeMatchCriterion(audio_usage_t usage,
+                                                 audio_source_t source,
+                                                 uint32_t rule)
+: mRule(rule)
+{
+    if (mRule == RULE_MATCH_ATTRIBUTE_USAGE ||
+            mRule == RULE_EXCLUDE_ATTRIBUTE_USAGE) {
+        mAttr.mUsage = usage;
+    } else {
+        mAttr.mSource = source;
+    }
+}
+
+status_t AttributeMatchCriterion::readFromParcel(Parcel *parcel)
+{
+    mRule = parcel->readInt32();
+    if (mRule == RULE_MATCH_ATTRIBUTE_USAGE ||
+            mRule == RULE_EXCLUDE_ATTRIBUTE_USAGE) {
+        mAttr.mUsage = (audio_usage_t)parcel->readInt32();
+    } else {
+        mAttr.mSource = (audio_source_t)parcel->readInt32();
+    }
+    return NO_ERROR;
+}
+
+status_t AttributeMatchCriterion::writeToParcel(Parcel *parcel) const
+{
+    parcel->writeInt32(mRule);
+    parcel->writeInt32(mAttr.mUsage);
+    return NO_ERROR;
+}
+
+//
+//  AudioMix implementation
+//
+
+status_t AudioMix::readFromParcel(Parcel *parcel)
+{
+    mMixType = parcel->readInt32();
+    mFormat.sample_rate = (uint32_t)parcel->readInt32();
+    mFormat.channel_mask = (audio_channel_mask_t)parcel->readInt32();
+    mFormat.format = (audio_format_t)parcel->readInt32();
+    mRouteFlags = parcel->readInt32();
+    mRegistrationId = parcel->readString8();
+    size_t size = (size_t)parcel->readInt32();
+    if (size > MAX_CRITERIA_PER_MIX) {
+        size = MAX_CRITERIA_PER_MIX;
+    }
+    for (size_t i = 0; i < size; i++) {
+        AttributeMatchCriterion criterion;
+        if (criterion.readFromParcel(parcel) == NO_ERROR) {
+            mCriteria.add(criterion);
+        }
+    }
+    return NO_ERROR;
+}
+
+status_t AudioMix::writeToParcel(Parcel *parcel) const
+{
+    parcel->writeInt32(mMixType);
+    parcel->writeInt32(mFormat.sample_rate);
+    parcel->writeInt32(mFormat.channel_mask);
+    parcel->writeInt32(mFormat.format);
+    parcel->writeInt32(mRouteFlags);
+    parcel->writeString8(mRegistrationId);
+    size_t size = mCriteria.size();
+    if (size > MAX_CRITERIA_PER_MIX) {
+        size = MAX_CRITERIA_PER_MIX;
+    }
+    size_t sizePosition = parcel->dataPosition();
+    parcel->writeInt32(size);
+    size_t finalSize = size;
+    for (size_t i = 0; i < size; i++) {
+        size_t position = parcel->dataPosition();
+        if (mCriteria[i].writeToParcel(parcel) != NO_ERROR) {
+            parcel->setDataPosition(position);
+            finalSize--;
+        }
+    }
+    if (size != finalSize) {
+        size_t position = parcel->dataPosition();
+        parcel->setDataPosition(sizePosition);
+        parcel->writeInt32(finalSize);
+        parcel->setDataPosition(position);
+    }
+    return NO_ERROR;
+}
+
+}; // namespace android
diff --git a/media/libmedia/AudioRecord.cpp b/media/libmedia/AudioRecord.cpp
index 9d92cfe..8ad6c8b 100644
--- a/media/libmedia/AudioRecord.cpp
+++ b/media/libmedia/AudioRecord.cpp
@@ -82,14 +82,16 @@
         uint32_t notificationFrames,
         int sessionId,
         transfer_type transferType,
-        audio_input_flags_t flags)
+        audio_input_flags_t flags,
+        const audio_attributes_t* pAttributes)
     : mStatus(NO_INIT), mSessionId(AUDIO_SESSION_ALLOCATE),
       mPreviousPriority(ANDROID_PRIORITY_NORMAL),
       mPreviousSchedulingGroup(SP_DEFAULT),
       mProxy(NULL)
 {
     mStatus = set(inputSource, sampleRate, format, channelMask, frameCount, cbf, user,
-            notificationFrames, false /*threadCanCallJava*/, sessionId, transferType, flags);
+            notificationFrames, false /*threadCanCallJava*/, sessionId, transferType, flags,
+            pAttributes);
 }
 
 AudioRecord::~AudioRecord()
@@ -126,7 +128,8 @@
         bool threadCanCallJava,
         int sessionId,
         transfer_type transferType,
-        audio_input_flags_t flags)
+        audio_input_flags_t flags,
+        const audio_attributes_t* pAttributes)
 {
     ALOGV("set(): inputSource %d, sampleRate %u, format %#x, channelMask %#x, frameCount %zu, "
           "notificationFrames %u, sessionId %d, transferType %d, flags %#x",
@@ -168,7 +171,15 @@
     if (inputSource == AUDIO_SOURCE_DEFAULT) {
         inputSource = AUDIO_SOURCE_MIC;
     }
-    mInputSource = inputSource;
+    if (pAttributes == NULL) {
+        memset(&mAttributes, 0, sizeof(audio_attributes_t));
+        mAttributes.source = inputSource;
+    } else {
+        // stream type shouldn't be looked at, this track has audio attributes
+        memcpy(&mAttributes, pAttributes, sizeof(audio_attributes_t));
+        ALOGV("Building AudioRecord with attributes: source=%d flags=0x%x tags=[%s]",
+              mAttributes.source, mAttributes.flags, mAttributes.tags);
+    }
 
     if (sampleRate == 0) {
         ALOGE("Invalid sample rate %u", sampleRate);
@@ -444,12 +455,14 @@
         }
     }
 
-    audio_io_handle_t input = AudioSystem::getInput(mInputSource, mSampleRate, mFormat,
-            mChannelMask, mSessionId, mFlags);
-    if (input == AUDIO_IO_HANDLE_NONE) {
+    audio_io_handle_t input;
+    status = AudioSystem::getInputForAttr(&mAttributes, &input, (audio_session_t)mSessionId,
+                                        mSampleRate, mFormat, mChannelMask, mFlags);
+
+    if (status != NO_ERROR) {
         ALOGE("Could not get audio input for record source %d, sample rate %u, format %#x, "
               "channel mask %#x, session %d, flags %#x",
-              mInputSource, mSampleRate, mFormat, mChannelMask, mSessionId, mFlags);
+              mAttributes.source, mSampleRate, mFormat, mChannelMask, mSessionId, mFlags);
         return BAD_VALUE;
     }
     {
diff --git a/media/libmedia/AudioSystem.cpp b/media/libmedia/AudioSystem.cpp
index dda3657..9cae21c 100644
--- a/media/libmedia/AudioSystem.cpp
+++ b/media/libmedia/AudioSystem.cpp
@@ -32,6 +32,9 @@
 
 // client singleton for AudioFlinger binder interface
 Mutex AudioSystem::gLock;
+Mutex AudioSystem::gLockCache;
+Mutex AudioSystem::gLockAPS;
+Mutex AudioSystem::gLockAPC;
 sp<IAudioFlinger> AudioSystem::gAudioFlinger;
 sp<AudioSystem::AudioFlingerClient> AudioSystem::gAudioFlingerClient;
 audio_error_callback AudioSystem::gAudioErrorCallback = NULL;
@@ -48,33 +51,40 @@
 sp<AudioSystem::AudioPortCallback> AudioSystem::gAudioPortCallback;
 
 // establish binder interface to AudioFlinger service
-const sp<IAudioFlinger>& AudioSystem::get_audio_flinger()
+const sp<IAudioFlinger> AudioSystem::get_audio_flinger()
 {
-    Mutex::Autolock _l(gLock);
-    if (gAudioFlinger == 0) {
-        sp<IServiceManager> sm = defaultServiceManager();
-        sp<IBinder> binder;
-        do {
-            binder = sm->getService(String16("media.audio_flinger"));
-            if (binder != 0)
-                break;
-            ALOGW("AudioFlinger not published, waiting...");
-            usleep(500000); // 0.5 s
-        } while (true);
-        if (gAudioFlingerClient == NULL) {
-            gAudioFlingerClient = new AudioFlingerClient();
-        } else {
-            if (gAudioErrorCallback) {
-                gAudioErrorCallback(NO_ERROR);
+    sp<IAudioFlinger> af;
+    sp<AudioFlingerClient> afc;
+    {
+        Mutex::Autolock _l(gLock);
+        if (gAudioFlinger == 0) {
+            sp<IServiceManager> sm = defaultServiceManager();
+            sp<IBinder> binder;
+            do {
+                binder = sm->getService(String16("media.audio_flinger"));
+                if (binder != 0)
+                    break;
+                ALOGW("AudioFlinger not published, waiting...");
+                usleep(500000); // 0.5 s
+            } while (true);
+            if (gAudioFlingerClient == NULL) {
+                gAudioFlingerClient = new AudioFlingerClient();
+            } else {
+                if (gAudioErrorCallback) {
+                    gAudioErrorCallback(NO_ERROR);
+                }
             }
+            binder->linkToDeath(gAudioFlingerClient);
+            gAudioFlinger = interface_cast<IAudioFlinger>(binder);
+            LOG_ALWAYS_FATAL_IF(gAudioFlinger == 0);
+            afc = gAudioFlingerClient;
         }
-        binder->linkToDeath(gAudioFlingerClient);
-        gAudioFlinger = interface_cast<IAudioFlinger>(binder);
-        gAudioFlinger->registerClient(gAudioFlingerClient);
+        af = gAudioFlinger;
     }
-    ALOGE_IF(gAudioFlinger==0, "no AudioFlinger!?");
-
-    return gAudioFlinger;
+    if (afc != 0) {
+        af->registerClient(afc);
+    }
+    return af;
 }
 
 /* static */ status_t AudioSystem::checkAudioFlinger()
@@ -245,36 +255,23 @@
     return getSamplingRate(output, samplingRate);
 }
 
-status_t AudioSystem::getOutputSamplingRateForAttr(uint32_t* samplingRate,
-        const audio_attributes_t *attr)
-{
-    if (attr == NULL) {
-        return BAD_VALUE;
-    }
-    audio_io_handle_t output = getOutputForAttr(attr);
-    if (output == 0) {
-        return PERMISSION_DENIED;
-    }
-    return getSamplingRate(output, samplingRate);
-}
-
 status_t AudioSystem::getSamplingRate(audio_io_handle_t output,
                                       uint32_t* samplingRate)
 {
-    OutputDescriptor *outputDesc;
+    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
+    if (af == 0) return PERMISSION_DENIED;
 
-    gLock.lock();
-    outputDesc = AudioSystem::gOutputs.valueFor(output);
+    Mutex::Autolock _l(gLockCache);
+
+    OutputDescriptor *outputDesc = AudioSystem::gOutputs.valueFor(output);
     if (outputDesc == NULL) {
         ALOGV("getOutputSamplingRate() no output descriptor for output %d in gOutputs", output);
-        gLock.unlock();
-        const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
-        if (af == 0) return PERMISSION_DENIED;
+        gLockCache.unlock();
         *samplingRate = af->sampleRate(output);
+        gLockCache.lock();
     } else {
         ALOGV("getOutputSamplingRate() reading from output desc");
         *samplingRate = outputDesc->samplingRate;
-        gLock.unlock();
     }
     if (*samplingRate == 0) {
         ALOGE("AudioSystem::getSamplingRate failed for output %d", output);
@@ -305,18 +302,18 @@
 status_t AudioSystem::getFrameCount(audio_io_handle_t output,
                                     size_t* frameCount)
 {
-    OutputDescriptor *outputDesc;
+    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
+    if (af == 0) return PERMISSION_DENIED;
 
-    gLock.lock();
-    outputDesc = AudioSystem::gOutputs.valueFor(output);
+    Mutex::Autolock _l(gLockCache);
+
+    OutputDescriptor *outputDesc = AudioSystem::gOutputs.valueFor(output);
     if (outputDesc == NULL) {
-        gLock.unlock();
-        const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
-        if (af == 0) return PERMISSION_DENIED;
+        gLockCache.unlock();
         *frameCount = af->frameCount(output);
+        gLockCache.lock();
     } else {
         *frameCount = outputDesc->frameCount;
-        gLock.unlock();
     }
     if (*frameCount == 0) {
         ALOGE("AudioSystem::getFrameCount failed for output %d", output);
@@ -347,18 +344,18 @@
 status_t AudioSystem::getLatency(audio_io_handle_t output,
                                  uint32_t* latency)
 {
-    OutputDescriptor *outputDesc;
+    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
+    if (af == 0) return PERMISSION_DENIED;
 
-    gLock.lock();
-    outputDesc = AudioSystem::gOutputs.valueFor(output);
+    Mutex::Autolock _l(gLockCache);
+
+    OutputDescriptor *outputDesc = AudioSystem::gOutputs.valueFor(output);
     if (outputDesc == NULL) {
-        gLock.unlock();
-        const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
-        if (af == 0) return PERMISSION_DENIED;
+        gLockCache.unlock();
         *latency = af->latency(output);
+        gLockCache.lock();
     } else {
         *latency = outputDesc->latency;
-        gLock.unlock();
     }
 
     ALOGV("getLatency() output %d, latency %d", output, *latency);
@@ -369,24 +366,24 @@
 status_t AudioSystem::getInputBufferSize(uint32_t sampleRate, audio_format_t format,
         audio_channel_mask_t channelMask, size_t* buffSize)
 {
-    gLock.lock();
+    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
+    if (af == 0) {
+        return PERMISSION_DENIED;
+    }
+    Mutex::Autolock _l(gLockCache);
     // Do we have a stale gInBufferSize or are we requesting the input buffer size for new values
     size_t inBuffSize = gInBuffSize;
     if ((inBuffSize == 0) || (sampleRate != gPrevInSamplingRate) || (format != gPrevInFormat)
         || (channelMask != gPrevInChannelMask)) {
-        gLock.unlock();
-        const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
-        if (af == 0) {
-            return PERMISSION_DENIED;
-        }
+        gLockCache.unlock();
         inBuffSize = af->getInputBufferSize(sampleRate, format, channelMask);
+        gLockCache.lock();
         if (inBuffSize == 0) {
             ALOGE("AudioSystem::getInputBufferSize failed sampleRate %d format %#x channelMask %x",
                     sampleRate, format, channelMask);
             return BAD_VALUE;
         }
         // A benign race is possible here: we could overwrite a fresher cache entry
-        gLock.lock();
         // save the request params
         gPrevInSamplingRate = sampleRate;
         gPrevInFormat = format;
@@ -394,7 +391,6 @@
 
         gInBuffSize = inBuffSize;
     }
-    gLock.unlock();
     *buffSize = inBuffSize;
 
     return NO_ERROR;
@@ -461,14 +457,21 @@
 
 void AudioSystem::AudioFlingerClient::binderDied(const wp<IBinder>& who __unused)
 {
-    Mutex::Autolock _l(AudioSystem::gLock);
+    audio_error_callback cb = NULL;
+    {
+        Mutex::Autolock _l(AudioSystem::gLock);
+        AudioSystem::gAudioFlinger.clear();
+        cb = gAudioErrorCallback;
+    }
 
-    AudioSystem::gAudioFlinger.clear();
-    // clear output handles and stream to output map caches
-    AudioSystem::gOutputs.clear();
+    {
+        // clear output handles and stream to output map caches
+        Mutex::Autolock _l(gLockCache);
+        AudioSystem::gOutputs.clear();
+    }
 
-    if (gAudioErrorCallback) {
-        gAudioErrorCallback(DEAD_OBJECT);
+    if (cb) {
+        cb(DEAD_OBJECT);
     }
     ALOGW("AudioFlinger server died!");
 }
@@ -481,7 +484,7 @@
 
     if (ioHandle == AUDIO_IO_HANDLE_NONE) return;
 
-    Mutex::Autolock _l(AudioSystem::gLock);
+    Mutex::Autolock _l(AudioSystem::gLockCache);
 
     switch (event) {
     case STREAM_CONFIG_CHANGED:
@@ -543,55 +546,44 @@
     gAudioErrorCallback = cb;
 }
 
-
-bool AudioSystem::routedToA2dpOutput(audio_stream_type_t streamType)
-{
-    switch (streamType) {
-    case AUDIO_STREAM_MUSIC:
-    case AUDIO_STREAM_VOICE_CALL:
-    case AUDIO_STREAM_BLUETOOTH_SCO:
-    case AUDIO_STREAM_SYSTEM:
-        return true;
-    default:
-        return false;
-    }
-}
-
-
 // client singleton for AudioPolicyService binder interface
+// protected by gLockAPS
 sp<IAudioPolicyService> AudioSystem::gAudioPolicyService;
 sp<AudioSystem::AudioPolicyServiceClient> AudioSystem::gAudioPolicyServiceClient;
 
 
 // establish binder interface to AudioPolicy service
-const sp<IAudioPolicyService>& AudioSystem::get_audio_policy_service()
+const sp<IAudioPolicyService> AudioSystem::get_audio_policy_service()
 {
-    gLock.lock();
-    if (gAudioPolicyService == 0) {
-        sp<IServiceManager> sm = defaultServiceManager();
-        sp<IBinder> binder;
-        do {
-            binder = sm->getService(String16("media.audio_policy"));
-            if (binder != 0)
-                break;
-            ALOGW("AudioPolicyService not published, waiting...");
-            usleep(500000); // 0.5 s
-        } while (true);
-        if (gAudioPolicyServiceClient == NULL) {
-            gAudioPolicyServiceClient = new AudioPolicyServiceClient();
+    sp<IAudioPolicyService> ap;
+    sp<AudioPolicyServiceClient> apc;
+    {
+        Mutex::Autolock _l(gLockAPS);
+        if (gAudioPolicyService == 0) {
+            sp<IServiceManager> sm = defaultServiceManager();
+            sp<IBinder> binder;
+            do {
+                binder = sm->getService(String16("media.audio_policy"));
+                if (binder != 0)
+                    break;
+                ALOGW("AudioPolicyService not published, waiting...");
+                usleep(500000); // 0.5 s
+            } while (true);
+            if (gAudioPolicyServiceClient == NULL) {
+                gAudioPolicyServiceClient = new AudioPolicyServiceClient();
+            }
+            binder->linkToDeath(gAudioPolicyServiceClient);
+            gAudioPolicyService = interface_cast<IAudioPolicyService>(binder);
+            LOG_ALWAYS_FATAL_IF(gAudioPolicyService == 0);
+            apc = gAudioPolicyServiceClient;
         }
-        binder->linkToDeath(gAudioPolicyServiceClient);
-        gAudioPolicyService = interface_cast<IAudioPolicyService>(binder);
-        gLock.unlock();
-        // Registering the client takes the AudioPolicyService lock.
-        // Don't hold the AudioSystem lock at the same time.
-        gAudioPolicyService->registerClient(gAudioPolicyServiceClient);
-    } else {
-        // There exists a benign race condition where gAudioPolicyService
-        // is set, but gAudioPolicyServiceClient is not yet registered.
-        gLock.unlock();
+        ap = gAudioPolicyService;
     }
-    return gAudioPolicyService;
+    if (apc != 0) {
+        ap->registerClient(apc);
+    }
+
+    return ap;
 }
 
 // ---------------------------------------------------------------------------
@@ -657,22 +649,26 @@
     return aps->getOutput(stream, samplingRate, format, channelMask, flags, offloadInfo);
 }
 
-audio_io_handle_t AudioSystem::getOutputForAttr(const audio_attributes_t *attr,
-                                    uint32_t samplingRate,
-                                    audio_format_t format,
-                                    audio_channel_mask_t channelMask,
-                                    audio_output_flags_t flags,
-                                    const audio_offload_info_t *offloadInfo)
+status_t AudioSystem::getOutputForAttr(const audio_attributes_t *attr,
+                                        audio_io_handle_t *output,
+                                        audio_session_t session,
+                                        audio_stream_type_t *stream,
+                                        uint32_t samplingRate,
+                                        audio_format_t format,
+                                        audio_channel_mask_t channelMask,
+                                        audio_output_flags_t flags,
+                                        const audio_offload_info_t *offloadInfo)
 {
-    if (attr == NULL) return 0;
     const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
-    if (aps == 0) return 0;
-    return aps->getOutputForAttr(attr, samplingRate, format, channelMask, flags, offloadInfo);
+    if (aps == 0) return NO_INIT;
+    return aps->getOutputForAttr(attr, output, session, stream,
+                                 samplingRate, format, channelMask,
+                                 flags, offloadInfo);
 }
 
 status_t AudioSystem::startOutput(audio_io_handle_t output,
                                   audio_stream_type_t stream,
-                                  int session)
+                                  audio_session_t session)
 {
     const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
     if (aps == 0) return PERMISSION_DENIED;
@@ -681,30 +677,33 @@
 
 status_t AudioSystem::stopOutput(audio_io_handle_t output,
                                  audio_stream_type_t stream,
-                                 int session)
+                                 audio_session_t session)
 {
     const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
     if (aps == 0) return PERMISSION_DENIED;
     return aps->stopOutput(output, stream, session);
 }
 
-void AudioSystem::releaseOutput(audio_io_handle_t output)
+void AudioSystem::releaseOutput(audio_io_handle_t output,
+                                audio_stream_type_t stream,
+                                audio_session_t session)
 {
     const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
     if (aps == 0) return;
-    aps->releaseOutput(output);
+    aps->releaseOutput(output, stream, session);
 }
 
-audio_io_handle_t AudioSystem::getInput(audio_source_t inputSource,
-                                    uint32_t samplingRate,
-                                    audio_format_t format,
-                                    audio_channel_mask_t channelMask,
-                                    int sessionId,
-                                    audio_input_flags_t flags)
+status_t AudioSystem::getInputForAttr(const audio_attributes_t *attr,
+                                audio_io_handle_t *input,
+                                audio_session_t session,
+                                uint32_t samplingRate,
+                                audio_format_t format,
+                                audio_channel_mask_t channelMask,
+                                audio_input_flags_t flags)
 {
     const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
-    if (aps == 0) return 0;
-    return aps->getInput(inputSource, samplingRate, format, channelMask, sessionId, flags);
+    if (aps == 0) return NO_INIT;
+    return aps->getInputForAttr(attr, input, session, samplingRate, format, channelMask, flags);
 }
 
 status_t AudioSystem::startInput(audio_io_handle_t input,
@@ -856,9 +855,21 @@
 
 void AudioSystem::clearAudioConfigCache()
 {
-    Mutex::Autolock _l(gLock);
+    // called by restoreTrack_l(), which needs new IAudioFlinger and IAudioPolicyService instances
     ALOGV("clearAudioConfigCache()");
-    gOutputs.clear();
+    {
+        Mutex::Autolock _l(gLockCache);
+        gOutputs.clear();
+    }
+    {
+        Mutex::Autolock _l(gLock);
+        gAudioFlinger.clear();
+    }
+    {
+        Mutex::Autolock _l(gLockAPS);
+        gAudioPolicyService.clear();
+    }
+    // Do not clear gAudioPortCallback
 }
 
 bool AudioSystem::isOffloadSupported(const audio_offload_info_t& info)
@@ -920,7 +931,7 @@
 
 void AudioSystem::setAudioPortCallback(sp<AudioPortCallback> callBack)
 {
-    Mutex::Autolock _l(gLock);
+    Mutex::Autolock _l(gLockAPC);
     gAudioPortCallback = callBack;
 }
 
@@ -947,23 +958,34 @@
     return aps->getPhoneState();
 }
 
+status_t AudioSystem::registerPolicyMixes(Vector<AudioMix> mixes, bool registration)
+{
+    const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
+    if (aps == 0) return PERMISSION_DENIED;
+    return aps->registerPolicyMixes(mixes, registration);
+}
 
 // ---------------------------------------------------------------------------
 
 void AudioSystem::AudioPolicyServiceClient::binderDied(const wp<IBinder>& who __unused)
 {
-    Mutex::Autolock _l(gLock);
-    if (gAudioPortCallback != 0) {
-        gAudioPortCallback->onServiceDied();
+    {
+        Mutex::Autolock _l(gLockAPC);
+        if (gAudioPortCallback != 0) {
+            gAudioPortCallback->onServiceDied();
+        }
     }
-    AudioSystem::gAudioPolicyService.clear();
+    {
+        Mutex::Autolock _l(gLockAPS);
+        AudioSystem::gAudioPolicyService.clear();
+    }
 
     ALOGW("AudioPolicyService server died!");
 }
 
 void AudioSystem::AudioPolicyServiceClient::onAudioPortListUpdate()
 {
-    Mutex::Autolock _l(gLock);
+    Mutex::Autolock _l(gLockAPC);
     if (gAudioPortCallback != 0) {
         gAudioPortCallback->onAudioPortListUpdate();
     }
@@ -971,7 +993,7 @@
 
 void AudioSystem::AudioPolicyServiceClient::onAudioPatchListUpdate()
 {
-    Mutex::Autolock _l(gLock);
+    Mutex::Autolock _l(gLockAPC);
     if (gAudioPortCallback != 0) {
         gAudioPortCallback->onAudioPatchListUpdate();
     }
diff --git a/media/libmedia/AudioTrack.cpp b/media/libmedia/AudioTrack.cpp
index b18a528..735db5c 100644
--- a/media/libmedia/AudioTrack.cpp
+++ b/media/libmedia/AudioTrack.cpp
@@ -28,6 +28,7 @@
 #include <utils/Log.h>
 #include <private/media/AudioTrackShared.h>
 #include <media/IAudioFlinger.h>
+#include <media/AudioPolicyHelper.h>
 #include <media/AudioResamplerPublic.h>
 
 #define WAIT_PERIOD_MS                  10
@@ -281,38 +282,21 @@
     if (streamType == AUDIO_STREAM_DEFAULT) {
         streamType = AUDIO_STREAM_MUSIC;
     }
-
     if (pAttributes == NULL) {
-        if (uint32_t(streamType) >= AUDIO_STREAM_CNT) {
+        if (uint32_t(streamType) >= AUDIO_STREAM_PUBLIC_CNT) {
             ALOGE("Invalid stream type %d", streamType);
             return BAD_VALUE;
         }
-        setAttributesFromStreamType(streamType);
         mStreamType = streamType;
+
     } else {
-        if (!isValidAttributes(pAttributes)) {
-            ALOGE("Invalid attributes: usage=%d content=%d flags=0x%x tags=[%s]",
-                pAttributes->usage, pAttributes->content_type, pAttributes->flags,
-                pAttributes->tags);
-        }
         // stream type shouldn't be looked at, this track has audio attributes
         memcpy(&mAttributes, pAttributes, sizeof(audio_attributes_t));
-        setStreamTypeFromAttributes(mAttributes);
         ALOGV("Building AudioTrack with attributes: usage=%d content=%d flags=0x%x tags=[%s]",
                 mAttributes.usage, mAttributes.content_type, mAttributes.flags, mAttributes.tags);
+        mStreamType = AUDIO_STREAM_DEFAULT;
     }
 
-    status_t status;
-    if (sampleRate == 0) {
-        status = AudioSystem::getOutputSamplingRateForAttr(&sampleRate, &mAttributes);
-        if (status != NO_ERROR) {
-            ALOGE("Could not get output sample rate for stream type %d; status %d",
-                    mStreamType, status);
-            return status;
-        }
-    }
-    mSampleRate = sampleRate;
-
     // these below should probably come from the audioFlinger too...
     if (format == AUDIO_FORMAT_DEFAULT) {
         format = AUDIO_FORMAT_PCM_16_BIT;
@@ -350,9 +334,10 @@
                 // FIXME why can't we allow direct AND fast?
                 ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST);
     }
-    // only allow deep buffering for music stream type
-    if (mStreamType != AUDIO_STREAM_MUSIC) {
-        flags = (audio_output_flags_t)(flags &~AUDIO_OUTPUT_FLAG_DEEP_BUFFER);
+
+    // force direct flag if HW A/V sync requested
+    if ((flags & AUDIO_OUTPUT_FLAG_HW_AV_SYNC) != 0) {
+        flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_DIRECT);
     }
 
     if (flags & AUDIO_OUTPUT_FLAG_DIRECT) {
@@ -371,6 +356,12 @@
         // so no need to check for specific PCM formats here
     }
 
+    // sampling rate must be specified for direct outputs
+    if (sampleRate == 0 && (flags & AUDIO_OUTPUT_FLAG_DIRECT) != 0) {
+        return BAD_VALUE;
+    }
+    mSampleRate = sampleRate;
+
     // Make copy of input parameter offloadInfo so that in the future:
     //  (a) createTrack_l doesn't need it as an input parameter
     //  (b) we can support re-creation of offloaded tracks
@@ -388,7 +379,11 @@
     mReqFrameCount = frameCount;
     mNotificationFramesReq = notificationFrames;
     mNotificationFramesAct = 0;
-    mSessionId = sessionId;
+    if (sessionId == AUDIO_SESSION_ALLOCATE) {
+        mSessionId = AudioSystem::newAudioUniqueId();
+    } else {
+        mSessionId = sessionId;
+    }
     int callingpid = IPCThreadState::self()->getCallingPid();
     int mypid = getpid();
     if (uid == -1 || (callingpid != mypid)) {
@@ -411,7 +406,7 @@
     }
 
     // create the IAudioTrack
-    status = createTrack_l();
+    status_t status = createTrack_l();
 
     if (status != NO_ERROR) {
         if (mAudioTrackThread != 0) {
@@ -678,15 +673,18 @@
         return INVALID_OPERATION;
     }
 
+    AutoMutex lock(mLock);
+    if (mOutput == AUDIO_IO_HANDLE_NONE) {
+        return NO_INIT;
+    }
     uint32_t afSamplingRate;
-    if (AudioSystem::getOutputSamplingRateForAttr(&afSamplingRate, &mAttributes) != NO_ERROR) {
+    if (AudioSystem::getSamplingRate(mOutput, &afSamplingRate) != NO_ERROR) {
         return NO_INIT;
     }
     if (rate == 0 || rate > afSamplingRate * AUDIO_RESAMPLER_DOWN_RATIO_MAX) {
         return BAD_VALUE;
     }
 
-    AutoMutex lock(mLock);
     mSampleRate = rate;
     mProxy->setSampleRate(rate);
 
@@ -742,8 +740,7 @@
 
 void AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount)
 {
-    // FIXME If setting a loop also sets position to start of loop, then
-    //       this is correct.  Otherwise it should be removed.
+    // Setting the loop will reset next notification update period (like setPosition).
     mNewPosition = updateAndGetPosition_l() + mUpdatePeriod;
     mLoopPeriod = loopCount != 0 ? loopEnd - loopStart : 0;
     mStaticProxy->setLoop(loopStart, loopEnd, loopCount);
@@ -859,6 +856,10 @@
         // due to hardware latency. We leave this behavior for now.
         *position = dspFrames;
     } else {
+        if (mCblk->mFlags & CBLK_INVALID) {
+            restoreTrack_l("getPosition");
+        }
+
         // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes
         *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ?
                 0 : updateAndGetPosition_l();
@@ -915,24 +916,38 @@
     return status;
 }
 
+audio_stream_type_t AudioTrack::streamType() const
+{
+    if (mStreamType == AUDIO_STREAM_DEFAULT) {
+        return audio_attributes_to_stream_type(&mAttributes);
+    }
+    return mStreamType;
+}
+
 // -------------------------------------------------------------------------
 
 // must be called with mLock held
 status_t AudioTrack::createTrack_l()
 {
-    status_t status;
     const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger();
     if (audioFlinger == 0) {
         ALOGE("Could not get audioflinger");
         return NO_INIT;
     }
 
-    audio_io_handle_t output = AudioSystem::getOutputForAttr(&mAttributes, mSampleRate, mFormat,
-            mChannelMask, mFlags, mOffloadInfo);
-    if (output == AUDIO_IO_HANDLE_NONE) {
+    audio_io_handle_t output;
+    audio_stream_type_t streamType = mStreamType;
+    audio_attributes_t *attr = (mStreamType == AUDIO_STREAM_DEFAULT) ? &mAttributes : NULL;
+    status_t status = AudioSystem::getOutputForAttr(attr, &output,
+                                                    (audio_session_t)mSessionId, &streamType,
+                                                    mSampleRate, mFormat, mChannelMask,
+                                                    mFlags, mOffloadInfo);
+
+
+    if (status != NO_ERROR || output == AUDIO_IO_HANDLE_NONE) {
         ALOGE("Could not get audio output for stream type %d, usage %d, sample rate %u, format %#x,"
               " channel mask %#x, flags %#x",
-              mStreamType, mAttributes.usage, mSampleRate, mFormat, mChannelMask, mFlags);
+              streamType, mAttributes.usage, mSampleRate, mFormat, mChannelMask, mFlags);
         return BAD_VALUE;
     }
     {
@@ -961,7 +976,9 @@
         ALOGE("getSamplingRate(output=%d) status %d", output, status);
         goto release;
     }
-
+    if (mSampleRate == 0) {
+        mSampleRate = afSampleRate;
+    }
     // Client decides whether the track is TIMED (see below), but can only express a preference
     // for FAST.  Server will perform additional tests.
     if ((mFlags & AUDIO_OUTPUT_FLAG_FAST) && !((
@@ -1084,7 +1101,7 @@
 
     size_t temp = frameCount;   // temp may be replaced by a revised value of frameCount,
                                 // but we will still need the original value also
-    sp<IAudioTrack> track = audioFlinger->createTrack(mStreamType,
+    sp<IAudioTrack> track = audioFlinger->createTrack(streamType,
                                                       mSampleRate,
                                                       // AudioFlinger only sees 16-bit PCM
                                                       mFormat == AUDIO_FORMAT_PCM_8_BIT &&
@@ -1234,7 +1251,7 @@
     }
 
 release:
-    AudioSystem::releaseOutput(output);
+    AudioSystem::releaseOutput(output, streamType, (audio_session_t)mSessionId);
     if (status == NO_ERROR) {
         status = NO_INIT;
     }
@@ -1830,7 +1847,7 @@
     status_t result;
 
     // refresh the audio configuration cache in this process to make sure we get new
-    // output parameters in createTrack_l()
+    // output parameters and new IAudioFlinger in createTrack_l()
     AudioSystem::clearAudioConfigCache();
 
     if (isOffloadedOrDirect_l()) {
@@ -1938,6 +1955,10 @@
         break;
     }
 
+    if (mCblk->mFlags & CBLK_INVALID) {
+        restoreTrack_l("getTimestamp");
+    }
+
     // The presented frame count must always lag behind the consumed frame count.
     // To avoid a race, read the presented frames first.  This ensures that presented <= consumed.
     status_t status = mAudioTrack->getTimestamp(timestamp);
@@ -2068,143 +2089,6 @@
     return mProxy->getUnderrunFrames();
 }
 
-void AudioTrack::setAttributesFromStreamType(audio_stream_type_t streamType) {
-    mAttributes.flags = 0x0;
-
-    switch(streamType) {
-    case AUDIO_STREAM_DEFAULT:
-    case AUDIO_STREAM_MUSIC:
-        mAttributes.content_type = AUDIO_CONTENT_TYPE_MUSIC;
-        mAttributes.usage = AUDIO_USAGE_MEDIA;
-        break;
-    case AUDIO_STREAM_VOICE_CALL:
-        mAttributes.content_type = AUDIO_CONTENT_TYPE_SPEECH;
-        mAttributes.usage = AUDIO_USAGE_VOICE_COMMUNICATION;
-        break;
-    case AUDIO_STREAM_ENFORCED_AUDIBLE:
-        mAttributes.flags  |= AUDIO_FLAG_AUDIBILITY_ENFORCED;
-        // intended fall through, attributes in common with STREAM_SYSTEM
-    case AUDIO_STREAM_SYSTEM:
-        mAttributes.content_type = AUDIO_CONTENT_TYPE_SONIFICATION;
-        mAttributes.usage = AUDIO_USAGE_ASSISTANCE_SONIFICATION;
-        break;
-    case AUDIO_STREAM_RING:
-        mAttributes.content_type = AUDIO_CONTENT_TYPE_SONIFICATION;
-        mAttributes.usage = AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE;
-        break;
-    case AUDIO_STREAM_ALARM:
-        mAttributes.content_type = AUDIO_CONTENT_TYPE_SONIFICATION;
-        mAttributes.usage = AUDIO_USAGE_ALARM;
-        break;
-    case AUDIO_STREAM_NOTIFICATION:
-        mAttributes.content_type = AUDIO_CONTENT_TYPE_SONIFICATION;
-        mAttributes.usage = AUDIO_USAGE_NOTIFICATION;
-        break;
-    case AUDIO_STREAM_BLUETOOTH_SCO:
-        mAttributes.content_type = AUDIO_CONTENT_TYPE_SPEECH;
-        mAttributes.usage = AUDIO_USAGE_VOICE_COMMUNICATION;
-        mAttributes.flags |= AUDIO_FLAG_SCO;
-        break;
-    case AUDIO_STREAM_DTMF:
-        mAttributes.content_type = AUDIO_CONTENT_TYPE_SONIFICATION;
-        mAttributes.usage = AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING;
-        break;
-    case AUDIO_STREAM_TTS:
-        mAttributes.content_type = AUDIO_CONTENT_TYPE_SPEECH;
-        mAttributes.usage = AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY;
-        break;
-    default:
-        ALOGE("invalid stream type %d when converting to attributes", streamType);
-    }
-}
-
-void AudioTrack::setStreamTypeFromAttributes(audio_attributes_t& aa) {
-    // flags to stream type mapping
-    if ((aa.flags & AUDIO_FLAG_AUDIBILITY_ENFORCED) == AUDIO_FLAG_AUDIBILITY_ENFORCED) {
-        mStreamType = AUDIO_STREAM_ENFORCED_AUDIBLE;
-        return;
-    }
-    if ((aa.flags & AUDIO_FLAG_SCO) == AUDIO_FLAG_SCO) {
-        mStreamType = AUDIO_STREAM_BLUETOOTH_SCO;
-        return;
-    }
-
-    // usage to stream type mapping
-    switch (aa.usage) {
-    case AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY:
-        // TODO once AudioPolicyManager fully supports audio_attributes_t,
-        //   remove stream change based on phone state
-        if (AudioSystem::getPhoneState() == AUDIO_MODE_RINGTONE) {
-            mStreamType = AUDIO_STREAM_RING;
-            break;
-        }
-        /// FALL THROUGH
-    case AUDIO_USAGE_MEDIA:
-    case AUDIO_USAGE_GAME:
-    case AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE:
-        mStreamType = AUDIO_STREAM_MUSIC;
-        return;
-    case AUDIO_USAGE_ASSISTANCE_SONIFICATION:
-        mStreamType = AUDIO_STREAM_SYSTEM;
-        return;
-    case AUDIO_USAGE_VOICE_COMMUNICATION:
-        mStreamType = AUDIO_STREAM_VOICE_CALL;
-        return;
-
-    case AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING:
-        mStreamType = AUDIO_STREAM_DTMF;
-        return;
-
-    case AUDIO_USAGE_ALARM:
-        mStreamType = AUDIO_STREAM_ALARM;
-        return;
-    case AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE:
-        mStreamType = AUDIO_STREAM_RING;
-        return;
-
-    case AUDIO_USAGE_NOTIFICATION:
-    case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_REQUEST:
-    case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_INSTANT:
-    case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_DELAYED:
-    case AUDIO_USAGE_NOTIFICATION_EVENT:
-        mStreamType = AUDIO_STREAM_NOTIFICATION;
-        return;
-
-    case AUDIO_USAGE_UNKNOWN:
-    default:
-        mStreamType = AUDIO_STREAM_MUSIC;
-    }
-}
-
-bool AudioTrack::isValidAttributes(const audio_attributes_t *paa) {
-    // has flags that map to a strategy?
-    if ((paa->flags & (AUDIO_FLAG_AUDIBILITY_ENFORCED | AUDIO_FLAG_SCO)) != 0) {
-        return true;
-    }
-
-    // has known usage?
-    switch (paa->usage) {
-    case AUDIO_USAGE_UNKNOWN:
-    case AUDIO_USAGE_MEDIA:
-    case AUDIO_USAGE_VOICE_COMMUNICATION:
-    case AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING:
-    case AUDIO_USAGE_ALARM:
-    case AUDIO_USAGE_NOTIFICATION:
-    case AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE:
-    case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_REQUEST:
-    case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_INSTANT:
-    case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_DELAYED:
-    case AUDIO_USAGE_NOTIFICATION_EVENT:
-    case AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY:
-    case AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE:
-    case AUDIO_USAGE_ASSISTANCE_SONIFICATION:
-    case AUDIO_USAGE_GAME:
-        break;
-    default:
-        return false;
-    }
-    return true;
-}
 // =========================================================================
 
 void AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who __unused)
diff --git a/media/libmedia/AudioTrackShared.cpp b/media/libmedia/AudioTrackShared.cpp
index 52533f5..ff24475 100644
--- a/media/libmedia/AudioTrackShared.cpp
+++ b/media/libmedia/AudioTrackShared.cpp
@@ -25,6 +25,12 @@
 
 namespace android {
 
+// used to clamp a value to size_t.  TODO: move to another file.
+template <typename T>
+size_t clampToSize(T x) {
+    return x > SIZE_MAX ? SIZE_MAX : x < 0 ? 0 : (size_t) x;
+}
+
 audio_track_cblk_t::audio_track_cblk_t()
     : mServer(0), mFutex(0), mMinimum(0),
     mVolumeLR(GAIN_MINIFLOAT_PACKED_UNITY), mSampleRate(0), mSendLevel(0), mFlags(0)
@@ -350,7 +356,13 @@
 
 void AudioTrackClientProxy::flush()
 {
-    mCblk->u.mStreaming.mFlush++;
+    // This works for mFrameCountP2 <= 2^30
+    size_t increment = mFrameCountP2 << 1;
+    size_t mask = increment - 1;
+    audio_track_cblk_t* cblk = mCblk;
+    int32_t newFlush = (cblk->u.mStreaming.mRear & mask) |
+                        ((cblk->u.mStreaming.mFlush & ~mask) + increment);
+    android_atomic_release_store(newFlush, &cblk->u.mStreaming.mFlush);
 }
 
 bool AudioTrackClientProxy::clearStreamEndDone() {
@@ -493,7 +505,11 @@
     newState.mLoopStart = (uint32_t) loopStart;
     newState.mLoopEnd = (uint32_t) loopEnd;
     newState.mLoopCount = loopCount;
-    mBufferPosition = loopStart;
+    size_t bufferPosition;
+    if (loopCount == 0 || (bufferPosition = getBufferPosition()) >= loopEnd) {
+        bufferPosition = loopStart;
+    }
+    mBufferPosition = bufferPosition; // snapshot buffer position until loop is acknowledged.
     (void) mMutator.push(newState);
 }
 
@@ -538,17 +554,27 @@
         rear = android_atomic_acquire_load(&cblk->u.mStreaming.mRear);
         front = cblk->u.mStreaming.mFront;
         if (flush != mFlush) {
-            mFlush = flush;
             // effectively obtain then release whatever is in the buffer
-            android_atomic_release_store(rear, &cblk->u.mStreaming.mFront);
-            if (front != rear) {
+            size_t mask = (mFrameCountP2 << 1) - 1;
+            int32_t newFront = (front & ~mask) | (flush & mask);
+            ssize_t filled = rear - newFront;
+            // Rather than shutting down on a corrupt flush, just treat it as a full flush
+            if (!(0 <= filled && (size_t) filled <= mFrameCount)) {
+                ALOGE("mFlush %#x -> %#x, front %#x, rear %#x, mask %#x, newFront %#x, filled %d=%#x",
+                        mFlush, flush, front, rear, mask, newFront, filled, filled);
+                newFront = rear;
+            }
+            mFlush = flush;
+            android_atomic_release_store(newFront, &cblk->u.mStreaming.mFront);
+            // There is no danger from a false positive, so err on the side of caution
+            if (true /*front != newFront*/) {
                 int32_t old = android_atomic_or(CBLK_FUTEX_WAKE, &cblk->mFutex);
                 if (!(old & CBLK_FUTEX_WAKE)) {
                     (void) syscall(__NR_futex, &cblk->mFutex,
                             mClientInServer ? FUTEX_WAKE_PRIVATE : FUTEX_WAKE, 1);
                 }
             }
-            front = rear;
+            front = newFront;
         }
     } else {
         front = android_atomic_acquire_load(&cblk->u.mStreaming.mFront);
@@ -670,6 +696,7 @@
 
     int32_t flush = cblk->u.mStreaming.mFlush;
     if (flush != mFlush) {
+        // FIXME should return an accurate value, but over-estimate is better than under-estimate
         return mFrameCount;
     }
     // the acquire might not be necessary since not doing a subsequent read
@@ -713,7 +740,8 @@
         size_t frameCount, size_t frameSize)
     : AudioTrackServerProxy(cblk, buffers, frameCount, frameSize),
       mObserver(&cblk->u.mStatic.mSingleStateQueue), mPosition(0),
-      mEnd(frameCount), mFramesReadyIsCalledByMultipleThreads(false)
+      mFramesReadySafe(frameCount), mFramesReady(frameCount),
+      mFramesReadyIsCalledByMultipleThreads(false)
 {
     mState.mLoopStart = 0;
     mState.mLoopEnd = 0;
@@ -727,20 +755,11 @@
 
 size_t StaticAudioTrackServerProxy::framesReady()
 {
-    // FIXME
-    // This is racy if called by normal mixer thread,
-    // as we're reading 2 independent variables without a lock.
-    // Can't call mObserver.poll(), as we might be called from wrong thread.
-    // If looping is enabled, should return a higher number (since includes non-contiguous).
-    size_t position = mPosition;
+    // Can't call pollPosition() from multiple threads.
     if (!mFramesReadyIsCalledByMultipleThreads) {
-        ssize_t positionOrStatus = pollPosition();
-        if (positionOrStatus >= 0) {
-            position = (size_t) positionOrStatus;
-        }
+        (void) pollPosition();
     }
-    size_t end = mEnd;
-    return position < end ? end - position : 0;
+    return mFramesReadySafe;
 }
 
 ssize_t StaticAudioTrackServerProxy::pollPosition()
@@ -757,25 +776,37 @@
             }
             // ignore loopEnd
             mPosition = position = loopStart;
-            mEnd = mFrameCount;
+            mFramesReady = mFrameCount - mPosition;
             mState.mLoopCount = 0;
             valid = true;
-        } else {
+        } else if (state.mLoopCount >= -1) {
             if (loopStart < loopEnd && loopEnd <= mFrameCount &&
                     loopEnd - loopStart >= MIN_LOOP) {
-                if (!(loopStart <= position && position < loopEnd)) {
+                // If the current position is greater than the end of the loop
+                // we "wrap" to the loop start. This might cause an audible pop.
+                if (position >= loopEnd) {
                     mPosition = position = loopStart;
                 }
-                mEnd = loopEnd;
+                if (state.mLoopCount == -1) {
+                    mFramesReady = INT64_MAX;
+                } else {
+                    // mFramesReady is 64 bits to handle the effective number of frames
+                    // that the static audio track contains, including loops.
+                    // TODO: Later consider fixing overflow, but does not seem needed now
+                    // as will not overflow if loopStart and loopEnd are Java "ints".
+                    mFramesReady = int64_t(state.mLoopCount) * (loopEnd - loopStart)
+                            + mFrameCount - mPosition;
+                }
                 mState = state;
                 valid = true;
             }
         }
-        if (!valid) {
+        if (!valid || mPosition > mFrameCount) {
             ALOGE("%s client pushed an invalid state, shutting down", __func__);
             mIsShutdown = true;
             return (ssize_t) NO_INIT;
         }
+        mFramesReadySafe = clampToSize(mFramesReady);
         // This may overflow, but client is not supposed to rely on it
         mCblk->u.mStatic.mBufferPosition = (uint32_t) position;
     }
@@ -800,9 +831,10 @@
         return (status_t) positionOrStatus;
     }
     size_t position = (size_t) positionOrStatus;
+    size_t end = mState.mLoopCount != 0 ? mState.mLoopEnd : mFrameCount;
     size_t avail;
-    if (position < mEnd) {
-        avail = mEnd - position;
+    if (position < end) {
+        avail = end - position;
         size_t wanted = buffer->mFrameCount;
         if (avail < wanted) {
             buffer->mFrameCount = avail;
@@ -815,7 +847,10 @@
         buffer->mFrameCount = 0;
         buffer->mRaw = NULL;
     }
-    buffer->mNonContig = 0;     // FIXME should be > 0 for looping
+    // As mFramesReady is the total remaining frames in the static audio track,
+    // it is always larger or equal to avail.
+    LOG_ALWAYS_FATAL_IF(mFramesReady < avail);
+    buffer->mNonContig = mFramesReady == INT64_MAX ? SIZE_MAX : clampToSize(mFramesReady - avail);
     mUnreleased = avail;
     return NO_ERROR;
 }
@@ -823,6 +858,7 @@
 void StaticAudioTrackServerProxy::releaseBuffer(Buffer* buffer)
 {
     size_t stepCount = buffer->mFrameCount;
+    LOG_ALWAYS_FATAL_IF(!(stepCount <= mFramesReady));
     LOG_ALWAYS_FATAL_IF(!(stepCount <= mUnreleased));
     if (stepCount == 0) {
         // prevent accidental re-use of buffer
@@ -839,11 +875,10 @@
         ALOGW("%s newPosition %zu outside [%zu, %zu]", __func__, newPosition, position, mFrameCount);
         newPosition = mFrameCount;
     } else if (mState.mLoopCount != 0 && newPosition == mState.mLoopEnd) {
+        newPosition = mState.mLoopStart;
         if (mState.mLoopCount == -1 || --mState.mLoopCount != 0) {
-            newPosition = mState.mLoopStart;
             setFlags = CBLK_LOOP_CYCLE;
         } else {
-            mEnd = mFrameCount;     // this is what allows playback to continue after the loop
             setFlags = CBLK_LOOP_FINAL;
         }
     }
@@ -851,6 +886,10 @@
         setFlags |= CBLK_BUFFER_END;
     }
     mPosition = newPosition;
+    if (mFramesReady != INT64_MAX) {
+        mFramesReady -= stepCount;
+    }
+    mFramesReadySafe = clampToSize(mFramesReady);
 
     cblk->mServer += stepCount;
     // This may overflow, but client is not supposed to rely on it
diff --git a/media/libmedia/IAudioPolicyService.cpp b/media/libmedia/IAudioPolicyService.cpp
index 99fd525..dbc7a9e 100644
--- a/media/libmedia/IAudioPolicyService.cpp
+++ b/media/libmedia/IAudioPolicyService.cpp
@@ -23,6 +23,7 @@
 
 #include <binder/Parcel.h>
 
+#include <media/AudioEffect.h>
 #include <media/IAudioPolicyService.h>
 
 #include <system/audio.h>
@@ -40,7 +41,7 @@
     START_OUTPUT,
     STOP_OUTPUT,
     RELEASE_OUTPUT,
-    GET_INPUT,
+    GET_INPUT_FOR_ATTR,
     START_INPUT,
     STOP_INPUT,
     RELEASE_INPUT,
@@ -68,7 +69,8 @@
     GET_OUTPUT_FOR_ATTR,
     ACQUIRE_SOUNDTRIGGER_SESSION,
     RELEASE_SOUNDTRIGGER_SESSION,
-    GET_PHONE_STATE
+    GET_PHONE_STATE,
+    REGISTER_POLICY_MIXES,
 };
 
 class BpAudioPolicyService : public BpInterface<IAudioPolicyService>
@@ -159,21 +161,45 @@
         return static_cast <audio_io_handle_t> (reply.readInt32());
     }
 
-    virtual audio_io_handle_t getOutputForAttr(
-                                            const audio_attributes_t *attr,
-                                            uint32_t samplingRate,
-                                            audio_format_t format,
-                                            audio_channel_mask_t channelMask,
-                                            audio_output_flags_t flags,
-                                            const audio_offload_info_t *offloadInfo)
+    virtual status_t getOutputForAttr(const audio_attributes_t *attr,
+                                        audio_io_handle_t *output,
+                                        audio_session_t session,
+                                        audio_stream_type_t *stream,
+                                        uint32_t samplingRate,
+                                        audio_format_t format,
+                                        audio_channel_mask_t channelMask,
+                                        audio_output_flags_t flags,
+                                        const audio_offload_info_t *offloadInfo)
         {
             Parcel data, reply;
             data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
             if (attr == NULL) {
-                ALOGE("Writing NULL audio attributes - shouldn't happen");
-                return (audio_io_handle_t) 0;
+                if (stream == NULL) {
+                    ALOGE("getOutputForAttr(): NULL audio attributes and stream type");
+                    return BAD_VALUE;
+                }
+                if (*stream == AUDIO_STREAM_DEFAULT) {
+                    ALOGE("getOutputForAttr unspecified stream type");
+                    return BAD_VALUE;
+                }
             }
-            data.write(attr, sizeof(audio_attributes_t));
+            if (output == NULL) {
+                ALOGE("getOutputForAttr NULL output - shouldn't happen");
+                return BAD_VALUE;
+            }
+            if (attr == NULL) {
+                data.writeInt32(0);
+            } else {
+                data.writeInt32(1);
+                data.write(attr, sizeof(audio_attributes_t));
+            }
+            data.writeInt32(session);
+            if (stream == NULL) {
+                data.writeInt32(0);
+            } else {
+                data.writeInt32(1);
+                data.writeInt32(*stream);
+            }
             data.writeInt32(samplingRate);
             data.writeInt32(static_cast <uint32_t>(format));
             data.writeInt32(channelMask);
@@ -185,62 +211,93 @@
                 data.writeInt32(1);
                 data.write(offloadInfo, sizeof(audio_offload_info_t));
             }
-            remote()->transact(GET_OUTPUT_FOR_ATTR, data, &reply);
-            return static_cast <audio_io_handle_t> (reply.readInt32());
+            status_t status = remote()->transact(GET_OUTPUT_FOR_ATTR, data, &reply);
+            if (status != NO_ERROR) {
+                return status;
+            }
+            status = (status_t)reply.readInt32();
+            if (status != NO_ERROR) {
+                return status;
+            }
+            *output = (audio_io_handle_t)reply.readInt32();
+            if (stream != NULL) {
+                *stream = (audio_stream_type_t)reply.readInt32();
+            }
+            return status;
         }
 
     virtual status_t startOutput(audio_io_handle_t output,
                                  audio_stream_type_t stream,
-                                 int session)
+                                 audio_session_t session)
     {
         Parcel data, reply;
         data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
         data.writeInt32(output);
         data.writeInt32((int32_t) stream);
-        data.writeInt32(session);
+        data.writeInt32((int32_t)session);
         remote()->transact(START_OUTPUT, data, &reply);
         return static_cast <status_t> (reply.readInt32());
     }
 
     virtual status_t stopOutput(audio_io_handle_t output,
                                 audio_stream_type_t stream,
-                                int session)
+                                audio_session_t session)
     {
         Parcel data, reply;
         data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
         data.writeInt32(output);
         data.writeInt32((int32_t) stream);
-        data.writeInt32(session);
+        data.writeInt32((int32_t)session);
         remote()->transact(STOP_OUTPUT, data, &reply);
         return static_cast <status_t> (reply.readInt32());
     }
 
-    virtual void releaseOutput(audio_io_handle_t output)
+    virtual void releaseOutput(audio_io_handle_t output,
+                               audio_stream_type_t stream,
+                               audio_session_t session)
     {
         Parcel data, reply;
         data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
         data.writeInt32(output);
+        data.writeInt32((int32_t)stream);
+        data.writeInt32((int32_t)session);
         remote()->transact(RELEASE_OUTPUT, data, &reply);
     }
 
-    virtual audio_io_handle_t getInput(
-                                    audio_source_t inputSource,
-                                    uint32_t samplingRate,
-                                    audio_format_t format,
-                                    audio_channel_mask_t channelMask,
-                                    int audioSession,
-                                    audio_input_flags_t flags)
+    virtual status_t getInputForAttr(const audio_attributes_t *attr,
+                                     audio_io_handle_t *input,
+                                     audio_session_t session,
+                                     uint32_t samplingRate,
+                                     audio_format_t format,
+                                     audio_channel_mask_t channelMask,
+                                     audio_input_flags_t flags)
     {
         Parcel data, reply;
         data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
-        data.writeInt32((int32_t) inputSource);
+        if (attr == NULL) {
+            ALOGE("getInputForAttr NULL attr - shouldn't happen");
+            return BAD_VALUE;
+        }
+        if (input == NULL) {
+            ALOGE("getInputForAttr NULL input - shouldn't happen");
+            return BAD_VALUE;
+        }
+        data.write(attr, sizeof(audio_attributes_t));
+        data.writeInt32(session);
         data.writeInt32(samplingRate);
         data.writeInt32(static_cast <uint32_t>(format));
         data.writeInt32(channelMask);
-        data.writeInt32(audioSession);
         data.writeInt32(flags);
-        remote()->transact(GET_INPUT, data, &reply);
-        return static_cast <audio_io_handle_t> (reply.readInt32());
+        status_t status = remote()->transact(GET_INPUT_FOR_ATTR, data, &reply);
+        if (status != NO_ERROR) {
+            return status;
+        }
+        status = reply.readInt32();
+        if (status != NO_ERROR) {
+            return status;
+        }
+        *input = (audio_io_handle_t)reply.readInt32();
+        return NO_ERROR;
     }
 
     virtual status_t startInput(audio_io_handle_t input,
@@ -619,6 +676,38 @@
         }
         return (audio_mode_t)reply.readInt32();
     }
+
+    virtual status_t registerPolicyMixes(Vector<AudioMix> mixes, bool registration)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
+        data.writeInt32(registration ? 1 : 0);
+        size_t size = mixes.size();
+        if (size > MAX_MIXES_PER_POLICY) {
+            size = MAX_MIXES_PER_POLICY;
+        }
+        size_t sizePosition = data.dataPosition();
+        data.writeInt32(size);
+        size_t finalSize = size;
+        for (size_t i = 0; i < size; i++) {
+            size_t position = data.dataPosition();
+            if (mixes[i].writeToParcel(&data) != NO_ERROR) {
+                data.setDataPosition(position);
+                finalSize--;
+            }
+        }
+        if (size != finalSize) {
+            size_t position = data.dataPosition();
+            data.setDataPosition(sizePosition);
+            data.writeInt32(finalSize);
+            data.setDataPosition(position);
+        }
+        status_t status = remote()->transact(REGISTER_POLICY_MIXES, data, &reply);
+        if (status == NO_ERROR) {
+            status = (status_t)reply.readInt32();
+        }
+        return status;
+    }
 };
 
 IMPLEMENT_META_INTERFACE(AudioPolicyService, "android.media.IAudioPolicyService");
@@ -704,8 +793,17 @@
 
         case GET_OUTPUT_FOR_ATTR: {
             CHECK_INTERFACE(IAudioPolicyService, data, reply);
-            audio_attributes_t *attr = (audio_attributes_t *) calloc(1, sizeof(audio_attributes_t));
-            data.read(attr, sizeof(audio_attributes_t));
+            audio_attributes_t attr;
+            bool hasAttributes = data.readInt32() != 0;
+            if (hasAttributes) {
+                data.read(&attr, sizeof(audio_attributes_t));
+            }
+            audio_session_t session = (audio_session_t)data.readInt32();
+            audio_stream_type_t stream = AUDIO_STREAM_DEFAULT;
+            bool hasStream = data.readInt32() != 0;
+            if (hasStream) {
+                stream = (audio_stream_type_t)data.readInt32();
+            }
             uint32_t samplingRate = data.readInt32();
             audio_format_t format = (audio_format_t) data.readInt32();
             audio_channel_mask_t channelMask = data.readInt32();
@@ -716,13 +814,14 @@
             if (hasOffloadInfo) {
                 data.read(&offloadInfo, sizeof(audio_offload_info_t));
             }
-            audio_io_handle_t output = getOutputForAttr(attr,
-                    samplingRate,
-                    format,
-                    channelMask,
-                    flags,
-                    hasOffloadInfo ? &offloadInfo : NULL);
-            reply->writeInt32(static_cast <int>(output));
+            audio_io_handle_t output;
+            status_t status = getOutputForAttr(hasAttributes ? &attr : NULL,
+                    &output, session, &stream,
+                    samplingRate, format, channelMask,
+                    flags, hasOffloadInfo ? &offloadInfo : NULL);
+            reply->writeInt32(status);
+            reply->writeInt32(output);
+            reply->writeInt32(stream);
             return NO_ERROR;
         } break;
 
@@ -731,7 +830,7 @@
             audio_io_handle_t output = static_cast <audio_io_handle_t>(data.readInt32());
             audio_stream_type_t stream =
                                 static_cast <audio_stream_type_t>(data.readInt32());
-            int session = data.readInt32();
+            audio_session_t session = (audio_session_t)data.readInt32();
             reply->writeInt32(static_cast <uint32_t>(startOutput(output,
                                                                  stream,
                                                                  session)));
@@ -743,7 +842,7 @@
             audio_io_handle_t output = static_cast <audio_io_handle_t>(data.readInt32());
             audio_stream_type_t stream =
                                 static_cast <audio_stream_type_t>(data.readInt32());
-            int session = data.readInt32();
+            audio_session_t session = (audio_session_t)data.readInt32();
             reply->writeInt32(static_cast <uint32_t>(stopOutput(output,
                                                                 stream,
                                                                 session)));
@@ -753,25 +852,29 @@
         case RELEASE_OUTPUT: {
             CHECK_INTERFACE(IAudioPolicyService, data, reply);
             audio_io_handle_t output = static_cast <audio_io_handle_t>(data.readInt32());
-            releaseOutput(output);
+            audio_stream_type_t stream = (audio_stream_type_t)data.readInt32();
+            audio_session_t session = (audio_session_t)data.readInt32();
+            releaseOutput(output, stream, session);
             return NO_ERROR;
         } break;
 
-        case GET_INPUT: {
+        case GET_INPUT_FOR_ATTR: {
             CHECK_INTERFACE(IAudioPolicyService, data, reply);
-            audio_source_t inputSource = (audio_source_t) data.readInt32();
+            audio_attributes_t attr;
+            data.read(&attr, sizeof(audio_attributes_t));
+            audio_session_t session = (audio_session_t)data.readInt32();
             uint32_t samplingRate = data.readInt32();
             audio_format_t format = (audio_format_t) data.readInt32();
             audio_channel_mask_t channelMask = data.readInt32();
-            int audioSession = data.readInt32();
             audio_input_flags_t flags = (audio_input_flags_t) data.readInt32();
-            audio_io_handle_t input = getInput(inputSource,
-                                               samplingRate,
-                                               format,
-                                               channelMask,
-                                               audioSession,
-                                               flags);
-            reply->writeInt32(static_cast <int>(input));
+            audio_io_handle_t input;
+            status_t status = getInputForAttr(&attr, &input, session,
+                                              samplingRate, format, channelMask,
+                                              flags);
+            reply->writeInt32(status);
+            if (status == NO_ERROR) {
+                reply->writeInt32(input);
+            }
             return NO_ERROR;
         } break;
 
@@ -916,16 +1019,18 @@
             CHECK_INTERFACE(IAudioPolicyService, data, reply);
             int audioSession = data.readInt32();
             uint32_t count = data.readInt32();
+            if (count > AudioEffect::kMaxPreProcessing) {
+                count = AudioEffect::kMaxPreProcessing;
+            }
             uint32_t retCount = count;
-            effect_descriptor_t *descriptors =
-                    (effect_descriptor_t *)new char[count * sizeof(effect_descriptor_t)];
+            effect_descriptor_t *descriptors = new effect_descriptor_t[count];
             status_t status = queryDefaultPreProcessing(audioSession, descriptors, &retCount);
             reply->writeInt32(status);
             if (status != NO_ERROR && status != NO_MEMORY) {
                 retCount = 0;
             }
             reply->writeInt32(retCount);
-            if (retCount) {
+            if (retCount != 0) {
                 if (retCount < count) {
                     count = retCount;
                 }
@@ -1075,6 +1180,25 @@
             return NO_ERROR;
         } break;
 
+        case REGISTER_POLICY_MIXES: {
+            CHECK_INTERFACE(IAudioPolicyService, data, reply);
+            bool registration = data.readInt32() == 1;
+            Vector<AudioMix> mixes;
+            size_t size = (size_t)data.readInt32();
+            if (size > MAX_MIXES_PER_POLICY) {
+                size = MAX_MIXES_PER_POLICY;
+            }
+            for (size_t i = 0; i < size; i++) {
+                AudioMix mix;
+                if (mix.readFromParcel((Parcel*)&data) == NO_ERROR) {
+                    mixes.add(mix);
+                }
+            }
+            status_t status = registerPolicyMixes(mixes, registration);
+            reply->writeInt32(status);
+            return NO_ERROR;
+        } break;
+
         default:
             return BBinder::onTransact(code, data, reply, flags);
     }
diff --git a/media/libmedia/ICrypto.cpp b/media/libmedia/ICrypto.cpp
index 0d5f990..c26c5bf 100644
--- a/media/libmedia/ICrypto.cpp
+++ b/media/libmedia/ICrypto.cpp
@@ -33,6 +33,7 @@
     DESTROY_PLUGIN,
     REQUIRES_SECURE_COMPONENT,
     DECRYPT,
+    NOTIFY_RESOLUTION,
 };
 
 struct BpCrypto : public BpInterface<ICrypto> {
@@ -149,6 +150,15 @@
         return result;
     }
 
+    virtual void notifyResolution(
+        uint32_t width, uint32_t height) {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICrypto::getInterfaceDescriptor());
+        data.writeInt32(width);
+        data.writeInt32(height);
+        remote()->transact(NOTIFY_RESOLUTION, data, &reply);
+    }
+
 private:
     DISALLOW_EVIL_CONSTRUCTORS(BpCrypto);
 };
@@ -290,10 +300,20 @@
             return OK;
         }
 
+        case NOTIFY_RESOLUTION:
+        {
+            CHECK_INTERFACE(ICrypto, data, reply);
+
+            int32_t width = data.readInt32();
+            int32_t height = data.readInt32();
+            notifyResolution(width, height);
+
+            return OK;
+        }
+
         default:
             return BBinder::onTransact(code, data, reply, flags);
     }
 }
 
 }  // namespace android
-
diff --git a/media/libmedia/IDrm.cpp b/media/libmedia/IDrm.cpp
index 0efdce8..b08fa82 100644
--- a/media/libmedia/IDrm.cpp
+++ b/media/libmedia/IDrm.cpp
@@ -54,7 +54,9 @@
     SIGN_RSA,
     VERIFY,
     SET_LISTENER,
-    UNPROVISION_DEVICE
+    UNPROVISION_DEVICE,
+    GET_SECURE_STOP,
+    RELEASE_ALL_SECURE_STOPS
 };
 
 struct BpDrm : public BpInterface<IDrm> {
@@ -255,6 +257,17 @@
         return reply.readInt32();
     }
 
+    virtual status_t getSecureStop(Vector<uint8_t> const &ssid, Vector<uint8_t> &secureStop) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IDrm::getInterfaceDescriptor());
+
+        writeVector(data, ssid);
+        remote()->transact(GET_SECURE_STOP, data, &reply);
+
+        readVector(reply, secureStop);
+        return reply.readInt32();
+    }
+
     virtual status_t releaseSecureStops(Vector<uint8_t> const &ssRelease) {
         Parcel data, reply;
         data.writeInterfaceToken(IDrm::getInterfaceDescriptor());
@@ -265,6 +278,15 @@
         return reply.readInt32();
     }
 
+    virtual status_t releaseAllSecureStops() {
+        Parcel data, reply;
+        data.writeInterfaceToken(IDrm::getInterfaceDescriptor());
+
+        remote()->transact(RELEASE_ALL_SECURE_STOPS, data, &reply);
+
+        return reply.readInt32();
+    }
+
     virtual status_t getPropertyString(String8 const &name, String8 &value) const {
         Parcel data, reply;
         data.writeInterfaceToken(IDrm::getInterfaceDescriptor());
@@ -655,6 +677,17 @@
             return OK;
         }
 
+        case GET_SECURE_STOP:
+        {
+            CHECK_INTERFACE(IDrm, data, reply);
+            Vector<uint8_t> ssid, secureStop;
+            readVector(data, ssid);
+            status_t result = getSecureStop(ssid, secureStop);
+            writeVector(reply, secureStop);
+            reply->writeInt32(result);
+            return OK;
+        }
+
         case RELEASE_SECURE_STOPS:
         {
             CHECK_INTERFACE(IDrm, data, reply);
@@ -664,6 +697,13 @@
             return OK;
         }
 
+        case RELEASE_ALL_SECURE_STOPS:
+        {
+            CHECK_INTERFACE(IDrm, data, reply);
+            reply->writeInt32(releaseAllSecureStops());
+            return OK;
+        }
+
         case GET_PROPERTY_STRING:
         {
             CHECK_INTERFACE(IDrm, data, reply);
@@ -809,4 +849,3 @@
 }
 
 }  // namespace android
-
diff --git a/media/libmedia/Visualizer.cpp b/media/libmedia/Visualizer.cpp
index c146b8d..f91e3e4 100644
--- a/media/libmedia/Visualizer.cpp
+++ b/media/libmedia/Visualizer.cpp
@@ -52,6 +52,13 @@
 
 Visualizer::~Visualizer()
 {
+    ALOGV("Visualizer::~Visualizer()");
+    if (mCaptureThread != NULL) {
+        mCaptureThread->requestExitAndWait();
+        mCaptureThread.clear();
+    }
+    mCaptureCallBack = NULL;
+    mCaptureFlags = 0;
 }
 
 status_t Visualizer::setEnabled(bool enabled)
@@ -102,20 +109,18 @@
         return INVALID_OPERATION;
     }
 
-    sp<CaptureThread> t = mCaptureThread;
-    if (t != 0) {
-        t->mLock.lock();
+    if (mCaptureThread != 0) {
+        mCaptureLock.unlock();
+        mCaptureThread->requestExitAndWait();
+        mCaptureLock.lock();
     }
+
     mCaptureThread.clear();
     mCaptureCallBack = cbk;
     mCaptureCbkUser = user;
     mCaptureFlags = flags;
     mCaptureRate = rate;
 
-    if (t != 0) {
-        t->mLock.unlock();
-    }
-
     if (cbk != NULL) {
         mCaptureThread = new CaptureThread(*this, rate, ((flags & CAPTURE_CALL_JAVA) != 0));
     }
diff --git a/media/libmediaplayerservice/Crypto.cpp b/media/libmediaplayerservice/Crypto.cpp
index 62593b2..8ee7c0b 100644
--- a/media/libmediaplayerservice/Crypto.cpp
+++ b/media/libmediaplayerservice/Crypto.cpp
@@ -257,4 +257,12 @@
             errorDetailMsg);
 }
 
+void Crypto::notifyResolution(uint32_t width, uint32_t height) {
+    Mutex::Autolock autoLock(mLock);
+
+    if (mInitCheck == OK && mPlugin != NULL) {
+        mPlugin->notifyResolution(width, height);
+    }
+}
+
 }  // namespace android
diff --git a/media/libmediaplayerservice/Crypto.h b/media/libmediaplayerservice/Crypto.h
index c44ae34..0037c2e 100644
--- a/media/libmediaplayerservice/Crypto.h
+++ b/media/libmediaplayerservice/Crypto.h
@@ -45,6 +45,8 @@
     virtual bool requiresSecureDecoderComponent(
             const char *mime) const;
 
+    virtual void notifyResolution(uint32_t width, uint32_t height);
+
     virtual ssize_t decrypt(
             bool secure,
             const uint8_t key[16],
diff --git a/media/libmediaplayerservice/Drm.cpp b/media/libmediaplayerservice/Drm.cpp
index 89d689d..73f1a2a 100644
--- a/media/libmediaplayerservice/Drm.cpp
+++ b/media/libmediaplayerservice/Drm.cpp
@@ -449,6 +449,20 @@
     return mPlugin->getSecureStops(secureStops);
 }
 
+status_t Drm::getSecureStop(Vector<uint8_t> const &ssid, Vector<uint8_t> &secureStop) {
+    Mutex::Autolock autoLock(mLock);
+
+    if (mInitCheck != OK) {
+        return mInitCheck;
+    }
+
+    if (mPlugin == NULL) {
+        return -EINVAL;
+    }
+
+    return mPlugin->getSecureStop(ssid, secureStop);
+}
+
 status_t Drm::releaseSecureStops(Vector<uint8_t> const &ssRelease) {
     Mutex::Autolock autoLock(mLock);
 
@@ -463,6 +477,20 @@
     return mPlugin->releaseSecureStops(ssRelease);
 }
 
+status_t Drm::releaseAllSecureStops() {
+    Mutex::Autolock autoLock(mLock);
+
+    if (mInitCheck != OK) {
+        return mInitCheck;
+    }
+
+    if (mPlugin == NULL) {
+        return -EINVAL;
+    }
+
+    return mPlugin->releaseAllSecureStops();
+}
+
 status_t Drm::getPropertyString(String8 const &name, String8 &value ) const {
     Mutex::Autolock autoLock(mLock);
 
@@ -646,10 +674,14 @@
 
 void Drm::binderDied(const wp<IBinder> &the_late_who)
 {
+    mEventLock.lock();
+    mListener.clear();
+    mEventLock.unlock();
+
+    Mutex::Autolock autoLock(mLock);
     delete mPlugin;
     mPlugin = NULL;
     closeFactory();
-    mListener.clear();
 }
 
 }  // namespace android
diff --git a/media/libmediaplayerservice/Drm.h b/media/libmediaplayerservice/Drm.h
index 9e23e2e..0e1eb2c 100644
--- a/media/libmediaplayerservice/Drm.h
+++ b/media/libmediaplayerservice/Drm.h
@@ -78,8 +78,10 @@
     virtual status_t unprovisionDevice();
 
     virtual status_t getSecureStops(List<Vector<uint8_t> > &secureStops);
+    virtual status_t getSecureStop(Vector<uint8_t> const &ssid, Vector<uint8_t> &secureStop);
 
     virtual status_t releaseSecureStops(Vector<uint8_t> const &ssRelease);
+    virtual status_t releaseAllSecureStops();
 
     virtual status_t getPropertyString(String8 const &name, String8 &value ) const;
     virtual status_t getPropertyByteArray(String8 const &name,
diff --git a/media/libmediaplayerservice/MediaPlayerFactory.cpp b/media/libmediaplayerservice/MediaPlayerFactory.cpp
index 3e0fc0d..aeefb4c 100644
--- a/media/libmediaplayerservice/MediaPlayerFactory.cpp
+++ b/media/libmediaplayerservice/MediaPlayerFactory.cpp
@@ -20,9 +20,12 @@
 
 #include <cutils/properties.h>
 #include <media/IMediaPlayer.h>
+#include <media/stagefright/DataSource.h>
+#include <media/stagefright/FileSource.h>
 #include <media/stagefright/foundation/ADebug.h>
 #include <utils/Errors.h>
 #include <utils/misc.h>
+#include <../libstagefright/include/WVMExtractor.h>
 
 #include "MediaPlayerFactory.h"
 
@@ -179,10 +182,18 @@
     virtual float scoreFactory(const sp<IMediaPlayer>& /*client*/,
                                int fd,
                                int64_t offset,
-                               int64_t /*length*/,
+                               int64_t length,
                                float /*curScore*/) {
-        if (getDefaultPlayerType()
-                == STAGEFRIGHT_PLAYER) {
+        if (legacyDrm()) {
+            sp<DataSource> source = new FileSource(dup(fd), offset, length);
+            String8 mimeType;
+            float confidence;
+            if (SniffWVM(source, &mimeType, &confidence, NULL /* format */)) {
+                return 1.0;
+            }
+        }
+
+        if (getDefaultPlayerType() == STAGEFRIGHT_PLAYER) {
             char buf[20];
             lseek(fd, offset, SEEK_SET);
             read(fd, buf, sizeof(buf));
@@ -198,10 +209,28 @@
         return 0.0;
     }
 
+    virtual float scoreFactory(const sp<IMediaPlayer>& /*client*/,
+                               const char* url,
+                               float /*curScore*/) {
+        if (legacyDrm() && !strncasecmp("widevine://", url, 11)) {
+            return 1.0;
+        }
+        return 0.0;
+    }
+
     virtual sp<MediaPlayerBase> createPlayer() {
         ALOGV(" create StagefrightPlayer");
         return new StagefrightPlayer();
     }
+  private:
+    bool legacyDrm() {
+        char value[PROPERTY_VALUE_MAX];
+        if (property_get("persist.sys.media.legacy-drm", value, NULL)
+                && (!strcmp("1", value) || !strcasecmp("true", value))) {
+            return true;
+        }
+        return false;
+    }
 };
 
 class NuPlayerFactory : public MediaPlayerFactory::IFactory {
diff --git a/media/libmediaplayerservice/MediaPlayerService.cpp b/media/libmediaplayerservice/MediaPlayerService.cpp
index 6ea522c..22de83a 100644
--- a/media/libmediaplayerservice/MediaPlayerService.cpp
+++ b/media/libmediaplayerservice/MediaPlayerService.cpp
@@ -2123,6 +2123,7 @@
         // immutable with respect to future writes.
         //
         // It is thus safe for another thread to read the AudioCache.
+        Mutex::Autolock lock(mLock);
         mCommandComplete = true;
         mSignal.signal();
     }
@@ -2157,7 +2158,6 @@
     {
     case MEDIA_ERROR:
         ALOGE("Error %d, %d occurred", ext1, ext2);
-        p->mError = ext1;
         break;
     case MEDIA_PREPARED:
         ALOGV("prepared");
@@ -2172,6 +2172,9 @@
 
     // wake up thread
     Mutex::Autolock lock(p->mLock);
+    if (msg == MEDIA_ERROR) {
+        p->mError = ext1;
+    }
     p->mCommandComplete = true;
     p->mSignal.signal();
 }
diff --git a/media/libmediaplayerservice/StagefrightRecorder.cpp b/media/libmediaplayerservice/StagefrightRecorder.cpp
index de25291..86639cb 100644
--- a/media/libmediaplayerservice/StagefrightRecorder.cpp
+++ b/media/libmediaplayerservice/StagefrightRecorder.cpp
@@ -111,7 +111,7 @@
 status_t StagefrightRecorder::setAudioSource(audio_source_t as) {
     ALOGV("setAudioSource: %d", as);
     if (as < AUDIO_SOURCE_DEFAULT ||
-        as >= AUDIO_SOURCE_CNT) {
+        (as >= AUDIO_SOURCE_CNT && as != AUDIO_SOURCE_FM_TUNER)) {
         ALOGE("Invalid audio source: %d", as);
         return BAD_VALUE;
     }
@@ -984,7 +984,7 @@
 }
 
 status_t StagefrightRecorder::setupRawAudioRecording() {
-    if (mAudioSource >= AUDIO_SOURCE_CNT) {
+    if (mAudioSource >= AUDIO_SOURCE_CNT && mAudioSource != AUDIO_SOURCE_FM_TUNER) {
         ALOGE("Invalid audio source: %d", mAudioSource);
         return BAD_VALUE;
     }
diff --git a/media/libmediaplayerservice/nuplayer/Android.mk b/media/libmediaplayerservice/nuplayer/Android.mk
index 676c0a6..6609874 100644
--- a/media/libmediaplayerservice/nuplayer/Android.mk
+++ b/media/libmediaplayerservice/nuplayer/Android.mk
@@ -5,7 +5,9 @@
         GenericSource.cpp               \
         HTTPLiveSource.cpp              \
         NuPlayer.cpp                    \
+        NuPlayerCCDecoder.cpp           \
         NuPlayerDecoder.cpp             \
+        NuPlayerDecoderBase.cpp         \
         NuPlayerDecoderPassThrough.cpp  \
         NuPlayerDriver.cpp              \
         NuPlayerRenderer.cpp            \
diff --git a/media/libmediaplayerservice/nuplayer/GenericSource.cpp b/media/libmediaplayerservice/nuplayer/GenericSource.cpp
index 6859a1a..dd79b50 100644
--- a/media/libmediaplayerservice/nuplayer/GenericSource.cpp
+++ b/media/libmediaplayerservice/nuplayer/GenericSource.cpp
@@ -45,13 +45,19 @@
         bool uidValid,
         uid_t uid)
     : Source(notify),
+      mAudioTimeUs(0),
+      mAudioLastDequeueTimeUs(0),
+      mVideoTimeUs(0),
+      mVideoLastDequeueTimeUs(0),
       mFetchSubtitleDataGeneration(0),
       mFetchTimedTextDataGeneration(0),
       mDurationUs(0ll),
       mAudioIsVorbis(false),
       mIsWidevine(false),
+      mIsSecure(false),
       mUIDValid(uidValid),
       mUID(uid),
+      mFd(-1),
       mDrmManagerClient(NULL),
       mMetaDataSize(-1ll),
       mBitrate(-1ll),
@@ -62,13 +68,14 @@
 }
 
 void NuPlayer::GenericSource::resetDataSource() {
-    mAudioTimeUs = 0;
-    mVideoTimeUs = 0;
     mHTTPService.clear();
     mHttpSource.clear();
     mUri.clear();
     mUriHeaders.clear();
-    mFd = -1;
+    if (mFd >= 0) {
+        close(mFd);
+        mFd = -1;
+    }
     mOffset = 0;
     mLength = 0;
     setDrmPlaybackStatusIfNeeded(Playback::STOP, 0);
@@ -157,6 +164,25 @@
         if (mFileMeta->findInt64(kKeyDuration, &duration)) {
             mDurationUs = duration;
         }
+
+        if (!mIsWidevine) {
+            // Check mime to see if we actually have a widevine source.
+            // If the data source is not URL-type (eg. file source), we
+            // won't be able to tell until now.
+            const char *fileMime;
+            if (mFileMeta->findCString(kKeyMIMEType, &fileMime)
+                    && !strncasecmp(fileMime, "video/wvm", 9)) {
+                mIsWidevine = true;
+                if (!mUri.empty()) {
+                  // streaming, but the app forgot to specify widevine:// url
+                  mWVMExtractor = static_cast<WVMExtractor *>(extractor.get());
+                  mWVMExtractor->setAdaptiveStreamingMode(true);
+                  if (mUIDValid) {
+                    mWVMExtractor->setUID(mUID);
+                  }
+                }
+            }
+        }
     }
 
     int32_t totalBitrate = 0;
@@ -202,7 +228,7 @@
                 int32_t secure;
                 if (meta->findInt32(kKeyRequiresSecureBuffers, &secure)
                         && secure) {
-                    mIsWidevine = true;
+                    mIsSecure = true;
                     if (mUIDValid) {
                         extractor->setUID(mUID);
                     }
@@ -257,7 +283,7 @@
 
 status_t NuPlayer::GenericSource::setBuffers(
         bool audio, Vector<MediaBuffer *> &buffers) {
-    if (mIsWidevine && !audio) {
+    if (mIsSecure && !audio) {
         return mVideoTrack.mSource->setBuffers(buffers);
     }
     return INVALID_OPERATION;
@@ -268,6 +294,7 @@
         mLooper->unregisterHandler(id());
         mLooper->stop();
     }
+    resetDataSource();
 }
 
 void NuPlayer::GenericSource::prepareAsync() {
@@ -286,6 +313,10 @@
 void NuPlayer::GenericSource::onPrepareAsync() {
     // delayed data source creation
     if (mDataSource == NULL) {
+        // set to false first, if the extractor
+        // comes back as secure, set it to true then.
+        mIsSecure = false;
+
         if (!mUri.empty()) {
             const char* uri = mUri.c_str();
             mIsWidevine = !strncasecmp(uri, "widevine://", 11);
@@ -305,11 +336,10 @@
                    mHTTPService, uri, &mUriHeaders, &mContentType,
                    static_cast<HTTPBase *>(mHttpSource.get()));
         } else {
-            // set to false first, if the extractor
-            // comes back as secure, set it to true then.
             mIsWidevine = false;
 
             mDataSource = new FileSource(mFd, mOffset, mLength);
+            mFd = -1;
         }
 
         if (mDataSource == NULL) {
@@ -360,7 +390,7 @@
     }
 
     notifyFlagsChanged(
-            (mIsWidevine ? FLAG_SECURE : 0)
+            (mIsSecure ? FLAG_SECURE : 0)
             | FLAG_CAN_PAUSE
             | FLAG_CAN_SEEK_BACKWARD
             | FLAG_CAN_SEEK_FORWARD
@@ -477,8 +507,8 @@
     // nothing to do, just account for DRM playback status
     setDrmPlaybackStatusIfNeeded(Playback::STOP, 0);
     mStarted = false;
-    if (mIsWidevine) {
-        // For a widevine source we need to prevent any further reads.
+    if (mIsWidevine || mIsSecure) {
+        // For widevine or secure sources we need to prevent any further reads.
         sp<AMessage> msg = new AMessage(kWhatStopWidevine, id());
         sp<AMessage> response;
         (void) msg->postAndAwaitResponse(&response);
@@ -644,17 +674,13 @@
           track->mSource->start();
           track->mIndex = trackIndex;
 
-          status_t avail;
-          if (!track->mPackets->hasBufferAvailable(&avail)) {
-              // sync from other source
-              TRESPASS();
-              break;
-          }
-
           int64_t timeUs, actualTimeUs;
           const bool formatChange = true;
-          sp<AMessage> latestMeta = track->mPackets->getLatestEnqueuedMeta();
-          CHECK(latestMeta != NULL && latestMeta->findInt64("timeUs", &timeUs));
+          if (trackType == MEDIA_TRACK_TYPE_AUDIO) {
+              timeUs = mAudioLastDequeueTimeUs;
+          } else {
+              timeUs = mVideoLastDequeueTimeUs;
+          }
           readBuffer(trackType, timeUs, &actualTimeUs, formatChange);
           readBuffer(counterpartType, -1, NULL, formatChange);
           ALOGV("timeUs %lld actualTimeUs %lld", timeUs, actualTimeUs);
@@ -842,7 +868,12 @@
 
     status_t finalResult;
     if (!track->mPackets->hasBufferAvailable(&finalResult)) {
-        return (finalResult == OK ? -EWOULDBLOCK : finalResult);
+        if (finalResult == OK) {
+            postReadBuffer(
+                    audio ? MEDIA_TRACK_TYPE_AUDIO : MEDIA_TRACK_TYPE_VIDEO);
+            return -EWOULDBLOCK;
+        }
+        return finalResult;
     }
 
     status_t result = track->mPackets->dequeueAccessUnit(accessUnit);
@@ -866,6 +897,11 @@
     int64_t timeUs;
     status_t eosResult; // ignored
     CHECK((*accessUnit)->meta()->findInt64("timeUs", &timeUs));
+    if (audio) {
+        mAudioLastDequeueTimeUs = timeUs;
+    } else {
+        mVideoLastDequeueTimeUs = timeUs;
+    }
 
     if (mSubtitleTrack.mSource != NULL
             && !mSubtitleTrack.mPackets->hasBufferAvailable(&eosResult)) {
@@ -996,11 +1032,12 @@
     return -1;
 }
 
-status_t NuPlayer::GenericSource::selectTrack(size_t trackIndex, bool select) {
+status_t NuPlayer::GenericSource::selectTrack(size_t trackIndex, bool select, int64_t timeUs) {
     ALOGV("%s track: %zu", select ? "select" : "deselect", trackIndex);
     sp<AMessage> msg = new AMessage(kWhatSelectTrack, id());
     msg->setInt32("trackIndex", trackIndex);
     msg->setInt32("select", select);
+    msg->setInt64("timeUs", timeUs);
 
     sp<AMessage> response;
     status_t err = msg->postAndAwaitResponse(&response);
@@ -1013,11 +1050,13 @@
 
 void NuPlayer::GenericSource::onSelectTrack(sp<AMessage> msg) {
     int32_t trackIndex, select;
+    int64_t timeUs;
     CHECK(msg->findInt32("trackIndex", &trackIndex));
     CHECK(msg->findInt32("select", &select));
+    CHECK(msg->findInt64("timeUs", &timeUs));
 
     sp<AMessage> response = new AMessage;
-    status_t err = doSelectTrack(trackIndex, select);
+    status_t err = doSelectTrack(trackIndex, select, timeUs);
     response->setInt32("err", err);
 
     uint32_t replyID;
@@ -1025,7 +1064,7 @@
     response->postReply(replyID);
 }
 
-status_t NuPlayer::GenericSource::doSelectTrack(size_t trackIndex, bool select) {
+status_t NuPlayer::GenericSource::doSelectTrack(size_t trackIndex, bool select, int64_t timeUs) {
     if (trackIndex >= mSources.size()) {
         return BAD_INDEX;
     }
@@ -1078,6 +1117,23 @@
             mFetchTimedTextDataGeneration++;
         }
 
+        status_t eosResult; // ignored
+        if (mSubtitleTrack.mSource != NULL
+                && !mSubtitleTrack.mPackets->hasBufferAvailable(&eosResult)) {
+            sp<AMessage> msg = new AMessage(kWhatFetchSubtitleData, id());
+            msg->setInt64("timeUs", timeUs);
+            msg->setInt32("generation", mFetchSubtitleDataGeneration);
+            msg->post();
+        }
+
+        if (mTimedTextTrack.mSource != NULL
+                && !mTimedTextTrack.mPackets->hasBufferAvailable(&eosResult)) {
+            sp<AMessage> msg = new AMessage(kWhatFetchTimedTextData, id());
+            msg->setInt64("timeUs", timeUs);
+            msg->setInt32("generation", mFetchTimedTextDataGeneration);
+            msg->post();
+        }
+
         return OK;
     } else if (!strncasecmp(mime, "audio/", 6) || !strncasecmp(mime, "video/", 6)) {
         bool audio = !strncasecmp(mime, "audio/", 6);
@@ -1132,10 +1188,12 @@
         readBuffer(MEDIA_TRACK_TYPE_VIDEO, seekTimeUs, &actualTimeUs);
 
         seekTimeUs = actualTimeUs;
+        mVideoLastDequeueTimeUs = seekTimeUs;
     }
 
     if (mAudioTrack.mSource != NULL) {
         readBuffer(MEDIA_TRACK_TYPE_AUDIO, seekTimeUs);
+        mAudioLastDequeueTimeUs = seekTimeUs;
     }
 
     setDrmPlaybackStatusIfNeeded(Playback::START, seekTimeUs / 1000);
@@ -1148,6 +1206,7 @@
 sp<ABuffer> NuPlayer::GenericSource::mediaBufferToABuffer(
         MediaBuffer* mb,
         media_track_type trackType,
+        int64_t /* seekTimeUs */,
         int64_t *actualTimeUs) {
     bool audio = trackType == MEDIA_TRACK_TYPE_AUDIO;
     size_t outLength = mb->range_length();
@@ -1157,7 +1216,7 @@
     }
 
     sp<ABuffer> ab;
-    if (mIsWidevine && !audio) {
+    if (mIsSecure && !audio) {
         // data is already provided in the buffer
         ab = new ABuffer(NULL, mb->range_length());
         mb->add_ref();
@@ -1185,6 +1244,16 @@
     CHECK(mb->meta_data()->findInt64(kKeyTime, &timeUs));
     meta->setInt64("timeUs", timeUs);
 
+#if 0
+    // Temporarily disable pre-roll till we have a full solution to handle
+    // both single seek and continous seek gracefully.
+    if (seekTimeUs > timeUs) {
+        sp<AMessage> extra = new AMessage;
+        extra->setInt64("resume-at-mediaTimeUs", seekTimeUs);
+        meta->setMessage("extra", extra);
+    }
+#endif
+
     if (trackType == MEDIA_TRACK_TYPE_TIMEDTEXT) {
         const char *mime;
         CHECK(mTimedTextTrack.mSource != NULL
@@ -1226,14 +1295,13 @@
     int32_t tmpType;
     CHECK(msg->findInt32("trackType", &tmpType));
     media_track_type trackType = (media_track_type)tmpType;
+    readBuffer(trackType);
     {
         // only protect the variable change, as readBuffer may
-        // take considerable time.  This may result in one extra
-        // read being processed, but that is benign.
+        // take considerable time.
         Mutex::Autolock _l(mReadBufferLock);
         mPendingReadBufferTypes &= ~(1 << trackType);
     }
-    readBuffer(trackType);
 }
 
 void NuPlayer::GenericSource::readBuffer(
@@ -1286,7 +1354,7 @@
         seeking = true;
     }
 
-    if (mIsWidevine && trackType != MEDIA_TRACK_TYPE_AUDIO) {
+    if (mIsWidevine) {
         options.setNonBlocking();
     }
 
@@ -1311,15 +1379,14 @@
             if ((seeking || formatChange)
                     && (trackType == MEDIA_TRACK_TYPE_AUDIO
                     || trackType == MEDIA_TRACK_TYPE_VIDEO)) {
-                ATSParser::DiscontinuityType type = formatChange
-                        ? (seeking
-                                ? ATSParser::DISCONTINUITY_FORMATCHANGE
-                                : ATSParser::DISCONTINUITY_NONE)
-                        : ATSParser::DISCONTINUITY_SEEK;
+                ATSParser::DiscontinuityType type = (formatChange && seeking)
+                        ? ATSParser::DISCONTINUITY_FORMATCHANGE
+                        : ATSParser::DISCONTINUITY_NONE;
                 track->mPackets->queueDiscontinuity( type, NULL, true /* discard */);
             }
 
-            sp<ABuffer> buffer = mediaBufferToABuffer(mbuf, trackType, actualTimeUs);
+            sp<ABuffer> buffer = mediaBufferToABuffer(
+                    mbuf, trackType, seekTimeUs, actualTimeUs);
             track->mPackets->queueAccessUnit(buffer);
             formatChange = false;
             seeking = false;
diff --git a/media/libmediaplayerservice/nuplayer/GenericSource.h b/media/libmediaplayerservice/nuplayer/GenericSource.h
index f8601ea..1b63a1f 100644
--- a/media/libmediaplayerservice/nuplayer/GenericSource.h
+++ b/media/libmediaplayerservice/nuplayer/GenericSource.h
@@ -67,7 +67,7 @@
     virtual size_t getTrackCount() const;
     virtual sp<AMessage> getTrackInfo(size_t trackIndex) const;
     virtual ssize_t getSelectedTrack(media_track_type type) const;
-    virtual status_t selectTrack(size_t trackIndex, bool select);
+    virtual status_t selectTrack(size_t trackIndex, bool select, int64_t timeUs);
     virtual status_t seekTo(int64_t seekTimeUs);
 
     virtual status_t setBuffers(bool audio, Vector<MediaBuffer *> &buffers);
@@ -106,8 +106,10 @@
 
     Track mAudioTrack;
     int64_t mAudioTimeUs;
+    int64_t mAudioLastDequeueTimeUs;
     Track mVideoTrack;
     int64_t mVideoTimeUs;
+    int64_t mVideoLastDequeueTimeUs;
     Track mSubtitleTrack;
     Track mTimedTextTrack;
 
@@ -116,6 +118,7 @@
     int64_t mDurationUs;
     bool mAudioIsVorbis;
     bool mIsWidevine;
+    bool mIsSecure;
     bool mUIDValid;
     uid_t mUID;
     sp<IMediaHTTPService> mHTTPService;
@@ -162,7 +165,7 @@
     ssize_t doGetSelectedTrack(media_track_type type) const;
 
     void onSelectTrack(sp<AMessage> msg);
-    status_t doSelectTrack(size_t trackIndex, bool select);
+    status_t doSelectTrack(size_t trackIndex, bool select, int64_t timeUs);
 
     void onSeek(sp<AMessage> msg);
     status_t doSeek(int64_t seekTimeUs);
@@ -180,6 +183,7 @@
     sp<ABuffer> mediaBufferToABuffer(
             MediaBuffer *mbuf,
             media_track_type trackType,
+            int64_t seekTimeUs,
             int64_t *actualTimeUs = NULL);
 
     void postReadBuffer(media_track_type trackType);
diff --git a/media/libmediaplayerservice/nuplayer/HTTPLiveSource.cpp b/media/libmediaplayerservice/nuplayer/HTTPLiveSource.cpp
index a003c81..a26ef9e 100644
--- a/media/libmediaplayerservice/nuplayer/HTTPLiveSource.cpp
+++ b/media/libmediaplayerservice/nuplayer/HTTPLiveSource.cpp
@@ -98,6 +98,10 @@
 }
 
 sp<AMessage> NuPlayer::HTTPLiveSource::getFormat(bool audio) {
+    if (mLiveSession == NULL) {
+        return NULL;
+    }
+
     sp<AMessage> format;
     status_t err = mLiveSession->getStreamFormat(
             audio ? LiveSession::STREAMTYPE_AUDIO
@@ -135,7 +139,15 @@
     return mLiveSession->getTrackInfo(trackIndex);
 }
 
-status_t NuPlayer::HTTPLiveSource::selectTrack(size_t trackIndex, bool select) {
+ssize_t NuPlayer::HTTPLiveSource::getSelectedTrack(media_track_type type) const {
+    if (mLiveSession == NULL) {
+        return -1;
+    } else {
+        return mLiveSession->getSelectedTrack(type);
+    }
+}
+
+status_t NuPlayer::HTTPLiveSource::selectTrack(size_t trackIndex, bool select, int64_t /*timeUs*/) {
     status_t err = mLiveSession->selectTrack(trackIndex, select);
 
     if (err == OK) {
diff --git a/media/libmediaplayerservice/nuplayer/HTTPLiveSource.h b/media/libmediaplayerservice/nuplayer/HTTPLiveSource.h
index 6b5f6af..bbb8981 100644
--- a/media/libmediaplayerservice/nuplayer/HTTPLiveSource.h
+++ b/media/libmediaplayerservice/nuplayer/HTTPLiveSource.h
@@ -42,7 +42,8 @@
     virtual status_t getDuration(int64_t *durationUs);
     virtual size_t getTrackCount() const;
     virtual sp<AMessage> getTrackInfo(size_t trackIndex) const;
-    virtual status_t selectTrack(size_t trackIndex, bool select);
+    virtual ssize_t getSelectedTrack(media_track_type /* type */) const;
+    virtual status_t selectTrack(size_t trackIndex, bool select, int64_t timeUs);
     virtual status_t seekTo(int64_t seekTimeUs);
 
 protected:
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
index a63a940..a28591e 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
@@ -21,7 +21,9 @@
 #include "NuPlayer.h"
 
 #include "HTTPLiveSource.h"
+#include "NuPlayerCCDecoder.h"
 #include "NuPlayerDecoder.h"
+#include "NuPlayerDecoderBase.h"
 #include "NuPlayerDecoderPassThrough.h"
 #include "NuPlayerDriver.h"
 #include "NuPlayerRenderer.h"
@@ -33,6 +35,8 @@
 
 #include "ATSParser.h"
 
+#include <cutils/properties.h>
+
 #include <media/stagefright/foundation/hexdump.h>
 #include <media/stagefright/foundation/ABuffer.h>
 #include <media/stagefright/foundation/ADebug.h>
@@ -50,10 +54,6 @@
 
 namespace android {
 
-// TODO optimize buffer size for power consumption
-// The offload read buffer size is 32 KB but 24 KB uses less power.
-const size_t NuPlayer::kAggregateBufferSizeBytes = 24 * 1024;
-
 struct NuPlayer::Action : public RefBase {
     Action() {}
 
@@ -80,6 +80,21 @@
     DISALLOW_EVIL_CONSTRUCTORS(SeekAction);
 };
 
+struct NuPlayer::ResumeDecoderAction : public Action {
+    ResumeDecoderAction(bool needNotify)
+        : mNeedNotify(needNotify) {
+    }
+
+    virtual void execute(NuPlayer *player) {
+        player->performResumeDecoders(mNeedNotify);
+    }
+
+private:
+    bool mNeedNotify;
+
+    DISALLOW_EVIL_CONSTRUCTORS(ResumeDecoderAction);
+};
+
 struct NuPlayer::SetSurfaceAction : public Action {
     SetSurfaceAction(const sp<NativeWindowWrapper> &wrapper)
         : mWrapper(wrapper) {
@@ -95,21 +110,21 @@
     DISALLOW_EVIL_CONSTRUCTORS(SetSurfaceAction);
 };
 
-struct NuPlayer::ShutdownDecoderAction : public Action {
-    ShutdownDecoderAction(bool audio, bool video)
+struct NuPlayer::FlushDecoderAction : public Action {
+    FlushDecoderAction(FlushCommand audio, FlushCommand video)
         : mAudio(audio),
           mVideo(video) {
     }
 
     virtual void execute(NuPlayer *player) {
-        player->performDecoderShutdown(mAudio, mVideo);
+        player->performDecoderFlush(mAudio, mVideo);
     }
 
 private:
-    bool mAudio;
-    bool mVideo;
+    FlushCommand mAudio;
+    FlushCommand mVideo;
 
-    DISALLOW_EVIL_CONSTRUCTORS(ShutdownDecoderAction);
+    DISALLOW_EVIL_CONSTRUCTORS(FlushDecoderAction);
 };
 
 struct NuPlayer::PostMessageAction : public Action {
@@ -151,7 +166,6 @@
 NuPlayer::NuPlayer()
     : mUIDValid(false),
       mSourceFlags(0),
-      mVideoIsAVC(false),
       mOffloadAudio(false),
       mAudioDecoderGeneration(0),
       mVideoDecoderGeneration(0),
@@ -162,13 +176,9 @@
       mScanSourcesGeneration(0),
       mPollDurationGeneration(0),
       mTimedTextGeneration(0),
-      mTimeDiscontinuityPending(false),
       mFlushingAudio(NONE),
       mFlushingVideo(NONE),
-      mSkipRenderingAudioUntilMediaTimeUs(-1ll),
-      mSkipRenderingVideoUntilMediaTimeUs(-1ll),
-      mNumFramesTotal(0ll),
-      mNumFramesDropped(0ll),
+      mResumePending(false),
       mVideoScalingMode(NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW),
       mStarted(false) {
     clearFlushComplete();
@@ -306,10 +316,6 @@
     (new AMessage(kWhatPause, id()))->post();
 }
 
-void NuPlayer::resume() {
-    (new AMessage(kWhatResume, id()))->post();
-}
-
 void NuPlayer::resetAsync() {
     if (mSource != NULL) {
         // During a reset, the data source might be unresponsive already, we need to
@@ -459,8 +465,10 @@
 
             size_t trackIndex;
             int32_t select;
+            int64_t timeUs;
             CHECK(msg->findSize("trackIndex", &trackIndex));
             CHECK(msg->findInt32("select", &select));
+            CHECK(msg->findInt64("timeUs", &timeUs));
 
             status_t err = INVALID_OPERATION;
 
@@ -474,7 +482,7 @@
             }
 
             if (trackIndex < inbandTracks) {
-                err = mSource->selectTrack(trackIndex, select);
+                err = mSource->selectTrack(trackIndex, select, timeUs);
 
                 if (!select && err == OK) {
                     int32_t type;
@@ -526,19 +534,24 @@
         {
             ALOGV("kWhatSetVideoNativeWindow");
 
-            mDeferredActions.push_back(
-                    new ShutdownDecoderAction(
-                        false /* audio */, true /* video */));
-
             sp<RefBase> obj;
             CHECK(msg->findObject("native-window", &obj));
 
+            if (mSource == NULL || mSource->getFormat(false /* audio */) == NULL) {
+                performSetSurface(static_cast<NativeWindowWrapper *>(obj.get()));
+                break;
+            }
+
+            mDeferredActions.push_back(
+                    new FlushDecoderAction(FLUSH_CMD_FLUSH /* audio */,
+                                           FLUSH_CMD_SHUTDOWN /* video */));
+
             mDeferredActions.push_back(
                     new SetSurfaceAction(
                         static_cast<NativeWindowWrapper *>(obj.get())));
 
             if (obj != NULL) {
-                if (mStarted && mSource->getFormat(false /* audio */) != NULL) {
+                if (mStarted) {
                     // Issue a seek to refresh the video screen only if started otherwise
                     // the extractor may not yet be started and will assert.
                     // If the video decoder is not set (perhaps audio only in this case)
@@ -556,6 +569,12 @@
                         new SimpleAction(&NuPlayer::performScanSources));
             }
 
+            // After a flush without shutdown, decoder is paused.
+            // Don't resume it until source seek is done, otherwise it could
+            // start pulling stale data too soon.
+            mDeferredActions.push_back(
+                    new ResumeDecoderAction(false /* needNotify */));
+
             processDeferredActions();
             break;
         }
@@ -574,69 +593,11 @@
         case kWhatStart:
         {
             ALOGV("kWhatStart");
-
-            mVideoIsAVC = false;
-            mOffloadAudio = false;
-            mAudioEOS = false;
-            mVideoEOS = false;
-            mSkipRenderingAudioUntilMediaTimeUs = -1;
-            mSkipRenderingVideoUntilMediaTimeUs = -1;
-            mNumFramesTotal = 0;
-            mNumFramesDropped = 0;
-            mStarted = true;
-
-            /* instantiate decoders now for secure playback */
-            if (mSourceFlags & Source::FLAG_SECURE) {
-                if (mNativeWindow != NULL) {
-                    instantiateDecoder(false, &mVideoDecoder);
-                }
-
-                if (mAudioSink != NULL) {
-                    instantiateDecoder(true, &mAudioDecoder);
-                }
+            if (mStarted) {
+                onResume();
+            } else {
+                onStart();
             }
-
-            mSource->start();
-
-            uint32_t flags = 0;
-
-            if (mSource->isRealTime()) {
-                flags |= Renderer::FLAG_REAL_TIME;
-            }
-
-            sp<MetaData> audioMeta = mSource->getFormatMeta(true /* audio */);
-            audio_stream_type_t streamType = AUDIO_STREAM_MUSIC;
-            if (mAudioSink != NULL) {
-                streamType = mAudioSink->getAudioStreamType();
-            }
-
-            sp<AMessage> videoFormat = mSource->getFormat(false /* audio */);
-
-            mOffloadAudio =
-                canOffloadStream(audioMeta, (videoFormat != NULL),
-                                 true /* is_streaming */, streamType);
-            if (mOffloadAudio) {
-                flags |= Renderer::FLAG_OFFLOAD_AUDIO;
-            }
-
-            sp<AMessage> notify = new AMessage(kWhatRendererNotify, id());
-            ++mRendererGeneration;
-            notify->setInt32("generation", mRendererGeneration);
-            mRenderer = new Renderer(mAudioSink, notify, flags);
-
-            mRendererLooper = new ALooper;
-            mRendererLooper->setName("NuPlayerRenderer");
-            mRendererLooper->start(false, false, ANDROID_PRIORITY_AUDIO);
-            mRendererLooper->registerHandler(mRenderer);
-
-            sp<MetaData> meta = getFileMeta();
-            int32_t rate;
-            if (meta != NULL
-                    && meta->findInt32(kKeyFrameRate, &rate) && rate > 0) {
-                mRenderer->setVideoFrameRate(rate);
-            }
-
-            postScanSources();
             break;
         }
 
@@ -663,11 +624,21 @@
                 instantiateDecoder(false, &mVideoDecoder);
             }
 
-            if (mAudioSink != NULL) {
-                if (mOffloadAudio) {
+            // Don't try to re-open audio sink if there's an existing decoder.
+            if (mAudioSink != NULL && mAudioDecoder == NULL) {
+                sp<MetaData> audioMeta = mSource->getFormatMeta(true /* audio */);
+                sp<AMessage> videoFormat = mSource->getFormat(false /* audio */);
+                audio_stream_type_t streamType = mAudioSink->getAudioStreamType();
+                const bool hasVideo = (videoFormat != NULL);
+                const bool canOffload = canOffloadStream(
+                        audioMeta, hasVideo, true /* is_streaming */, streamType);
+                if (canOffload) {
+                    if (!mOffloadAudio) {
+                        mRenderer->signalEnableOffloadAudio();
+                    }
                     // open audio sink early under offload mode.
                     sp<AMessage> format = mSource->getFormat(true /*audio*/);
-                    openAudioSink(format, true /*offloadOnly*/);
+                    tryOpenAudioSinkForOffload(format, hasVideo);
                 }
                 instantiateDecoder(true, &mAudioDecoder);
             }
@@ -731,16 +702,26 @@
             int32_t what;
             CHECK(msg->findInt32("what", &what));
 
-            if (what == Decoder::kWhatFillThisBuffer) {
-                status_t err = feedDecoderInputData(
-                        audio, msg);
+            if (what == DecoderBase::kWhatInputDiscontinuity) {
+                int32_t formatChange;
+                CHECK(msg->findInt32("formatChange", &formatChange));
 
-                if (err == -EWOULDBLOCK) {
-                    if (mSource->feedMoreTSData() == OK) {
-                        msg->post(10 * 1000ll);
-                    }
+                ALOGV("%s discontinuity: formatChange %d",
+                        audio ? "audio" : "video", formatChange);
+
+                if (formatChange) {
+                    mDeferredActions.push_back(
+                            new FlushDecoderAction(
+                                audio ? FLUSH_CMD_SHUTDOWN : FLUSH_CMD_NONE,
+                                audio ? FLUSH_CMD_NONE : FLUSH_CMD_SHUTDOWN));
                 }
-            } else if (what == Decoder::kWhatEOS) {
+
+                mDeferredActions.push_back(
+                        new SimpleAction(
+                                &NuPlayer::performScanSources));
+
+                processDeferredActions();
+            } else if (what == DecoderBase::kWhatEOS) {
                 int32_t err;
                 CHECK(msg->findInt32("err", &err));
 
@@ -753,25 +734,20 @@
                 }
 
                 mRenderer->queueEOS(audio, err);
-            } else if (what == Decoder::kWhatFlushCompleted) {
+            } else if (what == DecoderBase::kWhatFlushCompleted) {
                 ALOGV("decoder %s flush completed", audio ? "audio" : "video");
 
                 handleFlushComplete(audio, true /* isDecoder */);
                 finishFlushIfPossible();
-            } else if (what == Decoder::kWhatOutputFormatChanged) {
+            } else if (what == DecoderBase::kWhatVideoSizeChanged) {
                 sp<AMessage> format;
                 CHECK(msg->findMessage("format", &format));
 
-                if (audio) {
-                    openAudioSink(format, false /*offloadOnly*/);
-                } else {
-                    // video
-                    sp<AMessage> inputFormat =
-                            mSource->getFormat(false /* audio */);
+                sp<AMessage> inputFormat =
+                        mSource->getFormat(false /* audio */);
 
-                    updateVideoSize(inputFormat, format);
-                }
-            } else if (what == Decoder::kWhatShutdownCompleted) {
+                updateVideoSize(inputFormat, format);
+            } else if (what == DecoderBase::kWhatShutdownCompleted) {
                 ALOGV("%s shutdown completed", audio ? "audio" : "video");
                 if (audio) {
                     mAudioDecoder.clear();
@@ -788,7 +764,9 @@
                 }
 
                 finishFlushIfPossible();
-            } else if (what == Decoder::kWhatError) {
+            } else if (what == DecoderBase::kWhatResumeCompleted) {
+                finishResume();
+            } else if (what == DecoderBase::kWhatError) {
                 status_t err;
                 if (!msg->findInt32("err", &err) || err == OK) {
                     err = UNKNOWN_ERROR;
@@ -797,6 +775,8 @@
                 // Decoder errors can be due to Source (e.g. from streaming),
                 // or from decoding corrupted bitstreams, or from other decoder
                 // MediaCodec operations (e.g. from an ongoing reset or seek).
+                // They may also be due to openAudioSink failure at
+                // decoder start or after a format change.
                 //
                 // We try to gracefully shut down the affected decoder if possible,
                 // rather than trying to force the shutdown with something
@@ -811,7 +791,9 @@
                 switch (*flushing) {
                     case NONE:
                         mDeferredActions.push_back(
-                                new ShutdownDecoderAction(audio, !audio /* video */));
+                                new FlushDecoderAction(
+                                    audio ? FLUSH_CMD_SHUTDOWN : FLUSH_CMD_NONE,
+                                    audio ? FLUSH_CMD_NONE : FLUSH_CMD_SHUTDOWN));
                         processDeferredActions();
                         break;
                     case FLUSHING_DECODER:
@@ -834,8 +816,6 @@
                         break;                    // Finish anyways.
                 }
                 notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
-            } else if (what == Decoder::kWhatDrainThisBuffer) {
-                renderBuffer(audio, msg);
             } else {
                 ALOGV("Unhandled decoder notification %d '%c%c%c%c'.",
                       what,
@@ -901,7 +881,7 @@
                 ALOGV("media rendering started");
                 notifyListener(MEDIA_STARTED, 0, 0);
             } else if (what == Renderer::kWhatAudioOffloadTearDown) {
-                ALOGV("Tear down audio offload, fall back to s/w path");
+                ALOGV("Tear down audio offload, fall back to s/w path if due to error.");
                 int64_t positionUs;
                 CHECK(msg->findInt64("positionUs", &positionUs));
                 int32_t reason;
@@ -909,15 +889,17 @@
                 closeAudioSink();
                 mAudioDecoder.clear();
                 ++mAudioDecoderGeneration;
-                mRenderer->flush(true /* audio */);
+                mRenderer->flush(
+                        true /* audio */, false /* notifyComplete */);
                 if (mVideoDecoder != NULL) {
-                    mRenderer->flush(false /* audio */);
+                    mRenderer->flush(
+                            false /* audio */, false /* notifyComplete */);
                 }
-                mRenderer->signalDisableOffloadAudio();
-                mOffloadAudio = false;
 
                 performSeek(positionUs, false /* needNotify */);
                 if (reason == Renderer::kDueToError) {
+                    mRenderer->signalDisableOffloadAudio();
+                    mOffloadAudio = false;
                     instantiateDecoder(true /* audio */, &mAudioDecoder);
                 }
             }
@@ -934,8 +916,9 @@
             ALOGV("kWhatReset");
 
             mDeferredActions.push_back(
-                    new ShutdownDecoderAction(
-                        true /* audio */, true /* video */));
+                    new FlushDecoderAction(
+                        FLUSH_CMD_SHUTDOWN /* audio */,
+                        FLUSH_CMD_SHUTDOWN /* video */));
 
             mDeferredActions.push_back(
                     new SimpleAction(&NuPlayer::performReset));
@@ -955,11 +938,18 @@
                     seekTimeUs, needNotify);
 
             mDeferredActions.push_back(
-                    new SimpleAction(&NuPlayer::performDecoderFlush));
+                    new FlushDecoderAction(FLUSH_CMD_FLUSH /* audio */,
+                                           FLUSH_CMD_FLUSH /* video */));
 
             mDeferredActions.push_back(
                     new SeekAction(seekTimeUs, needNotify));
 
+            // After a flush without shutdown, decoder is paused.
+            // Don't resume it until source seek is done, otherwise it could
+            // start pulling stale data too soon.
+            mDeferredActions.push_back(
+                    new ResumeDecoderAction(needNotify));
+
             processDeferredActions();
             break;
         }
@@ -979,26 +969,6 @@
             break;
         }
 
-        case kWhatResume:
-        {
-            if (mSource != NULL) {
-                mSource->resume();
-            } else {
-                ALOGW("resume called when source is gone or not set");
-            }
-            // |mAudioDecoder| may have been released due to the pause timeout, so re-create it if
-            // needed.
-            if (audioDecoderStillNeeded() && mAudioDecoder == NULL) {
-                instantiateDecoder(true /* audio */, &mAudioDecoder);
-            }
-            if (mRenderer != NULL) {
-                mRenderer->resume();
-            } else {
-                ALOGW("resume called when renderer is gone or not set");
-            }
-            break;
-        }
-
         case kWhatSourceNotify:
         {
             onSourceNotify(msg);
@@ -1017,6 +987,91 @@
     }
 }
 
+void NuPlayer::onResume() {
+    if (mSource != NULL) {
+        mSource->resume();
+    } else {
+        ALOGW("resume called when source is gone or not set");
+    }
+    // |mAudioDecoder| may have been released due to the pause timeout, so re-create it if
+    // needed.
+    if (audioDecoderStillNeeded() && mAudioDecoder == NULL) {
+        instantiateDecoder(true /* audio */, &mAudioDecoder);
+    }
+    if (mRenderer != NULL) {
+        mRenderer->resume();
+    } else {
+        ALOGW("resume called when renderer is gone or not set");
+    }
+}
+
+void NuPlayer::onStart() {
+    mOffloadAudio = false;
+    mAudioEOS = false;
+    mVideoEOS = false;
+    mStarted = true;
+
+    /* instantiate decoders now for secure playback */
+    if (mSourceFlags & Source::FLAG_SECURE) {
+        if (mNativeWindow != NULL) {
+            instantiateDecoder(false, &mVideoDecoder);
+        }
+
+        if (mAudioSink != NULL) {
+            instantiateDecoder(true, &mAudioDecoder);
+        }
+    }
+
+    mSource->start();
+
+    uint32_t flags = 0;
+
+    if (mSource->isRealTime()) {
+        flags |= Renderer::FLAG_REAL_TIME;
+    }
+
+    sp<MetaData> audioMeta = mSource->getFormatMeta(true /* audio */);
+    audio_stream_type_t streamType = AUDIO_STREAM_MUSIC;
+    if (mAudioSink != NULL) {
+        streamType = mAudioSink->getAudioStreamType();
+    }
+
+    sp<AMessage> videoFormat = mSource->getFormat(false /* audio */);
+
+    mOffloadAudio =
+        canOffloadStream(audioMeta, (videoFormat != NULL),
+                         true /* is_streaming */, streamType);
+    if (mOffloadAudio) {
+        flags |= Renderer::FLAG_OFFLOAD_AUDIO;
+    }
+
+    sp<AMessage> notify = new AMessage(kWhatRendererNotify, id());
+    ++mRendererGeneration;
+    notify->setInt32("generation", mRendererGeneration);
+    mRenderer = new Renderer(mAudioSink, notify, flags);
+
+    mRendererLooper = new ALooper;
+    mRendererLooper->setName("NuPlayerRenderer");
+    mRendererLooper->start(false, false, ANDROID_PRIORITY_AUDIO);
+    mRendererLooper->registerHandler(mRenderer);
+
+    sp<MetaData> meta = getFileMeta();
+    int32_t rate;
+    if (meta != NULL
+            && meta->findInt32(kKeyFrameRate, &rate) && rate > 0) {
+        mRenderer->setVideoFrameRate(rate);
+    }
+
+    if (mVideoDecoder != NULL) {
+        mVideoDecoder->setRenderer(mRenderer);
+    }
+    if (mAudioDecoder != NULL) {
+        mAudioDecoder->setRenderer(mRenderer);
+    }
+
+    postScanSources();
+}
+
 bool NuPlayer::audioDecoderStillNeeded() {
     // Audio decoder is no longer needed if it's in shut/shutting down status.
     return ((mFlushingAudio != SHUT_DOWN) && (mFlushingAudio != SHUTTING_DOWN_DECODER));
@@ -1074,22 +1129,6 @@
 
     ALOGV("both audio and video are flushed now.");
 
-    mPendingAudioAccessUnit.clear();
-    mAggregateBuffer.clear();
-
-    if (mTimeDiscontinuityPending) {
-        mRenderer->signalTimeDiscontinuity();
-        mTimeDiscontinuityPending = false;
-    }
-
-    if (mAudioDecoder != NULL && mFlushingAudio == FLUSHED) {
-        mAudioDecoder->signalResume();
-    }
-
-    if (mVideoDecoder != NULL && mFlushingVideo == FLUSHED) {
-        mVideoDecoder->signalResume();
-    }
-
     mFlushingAudio = NONE;
     mFlushingVideo = NONE;
 
@@ -1110,28 +1149,16 @@
     mScanSourcesPending = true;
 }
 
-void NuPlayer::openAudioSink(const sp<AMessage> &format, bool offloadOnly) {
-    uint32_t flags;
-    int64_t durationUs;
-    bool hasVideo = (mVideoDecoder != NULL);
-    // FIXME: we should handle the case where the video decoder
-    // is created after we receive the format change indication.
-    // Current code will just make that we select deep buffer
-    // with video which should not be a problem as it should
-    // not prevent from keeping A/V sync.
-    if (hasVideo &&
-            mSource->getDuration(&durationUs) == OK &&
-            durationUs
-                > AUDIO_SINK_MIN_DEEP_BUFFER_DURATION_US) {
-        flags = AUDIO_OUTPUT_FLAG_DEEP_BUFFER;
-    } else {
-        flags = AUDIO_OUTPUT_FLAG_NONE;
-    }
+void NuPlayer::tryOpenAudioSinkForOffload(const sp<AMessage> &format, bool hasVideo) {
+    // Note: This is called early in NuPlayer to determine whether offloading
+    // is possible; otherwise the decoders call the renderer openAudioSink directly.
 
-    mOffloadAudio = mRenderer->openAudioSink(
-            format, offloadOnly, hasVideo, flags);
-
-    if (mOffloadAudio) {
+    status_t err = mRenderer->openAudioSink(
+            format, true /* offloadOnly */, hasVideo, AUDIO_OUTPUT_FLAG_NONE, &mOffloadAudio);
+    if (err != OK) {
+        // Any failure we turn off mOffloadAudio.
+        mOffloadAudio = false;
+    } else if (mOffloadAudio) {
         sp<MetaData> audioMeta =
                 mSource->getFormatMeta(true /* audio */);
         sendMetaDataToHal(mAudioSink, audioMeta);
@@ -1142,7 +1169,7 @@
     mRenderer->closeAudioSink();
 }
 
-status_t NuPlayer::instantiateDecoder(bool audio, sp<Decoder> *decoder) {
+status_t NuPlayer::instantiateDecoder(bool audio, sp<DecoderBase> *decoder) {
     if (*decoder != NULL) {
         return OK;
     }
@@ -1156,7 +1183,6 @@
     if (!audio) {
         AString mime;
         CHECK(format->findString("mime", &mime));
-        mVideoIsAVC = !strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime.c_str());
 
         sp<AMessage> ccNotify = new AMessage(kWhatClosedCaptionNotify, id());
         mCCDecoder = new CCDecoder(ccNotify);
@@ -1172,16 +1198,28 @@
         notify->setInt32("generation", mAudioDecoderGeneration);
 
         if (mOffloadAudio) {
-            *decoder = new DecoderPassThrough(notify);
+            *decoder = new DecoderPassThrough(notify, mSource, mRenderer);
         } else {
-            *decoder = new Decoder(notify);
+            *decoder = new Decoder(notify, mSource, mRenderer);
         }
     } else {
         sp<AMessage> notify = new AMessage(kWhatVideoNotify, id());
         ++mVideoDecoderGeneration;
         notify->setInt32("generation", mVideoDecoderGeneration);
 
-        *decoder = new Decoder(notify, mNativeWindow);
+        *decoder = new Decoder(
+                notify, mSource, mRenderer, mNativeWindow, mCCDecoder);
+
+        // enable FRC if high-quality AV sync is requested, even if not
+        // queuing to native window, as this will even improve textureview
+        // playback.
+        {
+            char value[PROPERTY_VALUE_MAX];
+            if (property_get("persist.sys.media.avsync", value, NULL) &&
+                    (!strcmp("1", value) || !strcasecmp("true", value))) {
+                format->setInt32("auto-frc", 1);
+            }
+        }
     }
     (*decoder)->init();
     (*decoder)->configure(format);
@@ -1211,281 +1249,6 @@
     return OK;
 }
 
-status_t NuPlayer::feedDecoderInputData(bool audio, const sp<AMessage> &msg) {
-    sp<AMessage> reply;
-    CHECK(msg->findMessage("reply", &reply));
-
-    if ((audio && mFlushingAudio != NONE)
-            || (!audio && mFlushingVideo != NONE)
-            || mSource == NULL) {
-        reply->setInt32("err", INFO_DISCONTINUITY);
-        reply->post();
-        return OK;
-    }
-
-    sp<ABuffer> accessUnit;
-
-    // Aggregate smaller buffers into a larger buffer.
-    // The goal is to reduce power consumption.
-    // Note this will not work if the decoder requires one frame per buffer.
-    bool doBufferAggregation = (audio && mOffloadAudio);
-    bool needMoreData = false;
-
-    bool dropAccessUnit;
-    do {
-        status_t err;
-        // Did we save an accessUnit earlier because of a discontinuity?
-        if (audio && (mPendingAudioAccessUnit != NULL)) {
-            accessUnit = mPendingAudioAccessUnit;
-            mPendingAudioAccessUnit.clear();
-            err = mPendingAudioErr;
-            ALOGV("feedDecoderInputData() use mPendingAudioAccessUnit");
-        } else {
-            err = mSource->dequeueAccessUnit(audio, &accessUnit);
-        }
-
-        if (err == -EWOULDBLOCK) {
-            return err;
-        } else if (err != OK) {
-            if (err == INFO_DISCONTINUITY) {
-                if (doBufferAggregation && (mAggregateBuffer != NULL)) {
-                    // We already have some data so save this for later.
-                    mPendingAudioErr = err;
-                    mPendingAudioAccessUnit = accessUnit;
-                    accessUnit.clear();
-                    ALOGD("feedDecoderInputData() save discontinuity for later");
-                    break;
-                }
-                int32_t type;
-                CHECK(accessUnit->meta()->findInt32("discontinuity", &type));
-
-                bool formatChange =
-                    (audio &&
-                     (type & ATSParser::DISCONTINUITY_AUDIO_FORMAT))
-                    || (!audio &&
-                            (type & ATSParser::DISCONTINUITY_VIDEO_FORMAT));
-
-                bool timeChange = (type & ATSParser::DISCONTINUITY_TIME) != 0;
-
-                ALOGI("%s discontinuity (formatChange=%d, time=%d)",
-                     audio ? "audio" : "video", formatChange, timeChange);
-
-                if (audio) {
-                    mSkipRenderingAudioUntilMediaTimeUs = -1;
-                } else {
-                    mSkipRenderingVideoUntilMediaTimeUs = -1;
-                }
-
-                if (timeChange) {
-                    sp<AMessage> extra;
-                    if (accessUnit->meta()->findMessage("extra", &extra)
-                            && extra != NULL) {
-                        int64_t resumeAtMediaTimeUs;
-                        if (extra->findInt64(
-                                    "resume-at-mediatimeUs", &resumeAtMediaTimeUs)) {
-                            ALOGI("suppressing rendering of %s until %lld us",
-                                    audio ? "audio" : "video", resumeAtMediaTimeUs);
-
-                            if (audio) {
-                                mSkipRenderingAudioUntilMediaTimeUs =
-                                    resumeAtMediaTimeUs;
-                            } else {
-                                mSkipRenderingVideoUntilMediaTimeUs =
-                                    resumeAtMediaTimeUs;
-                            }
-                        }
-                    }
-                }
-
-                mTimeDiscontinuityPending =
-                    mTimeDiscontinuityPending || timeChange;
-
-                bool seamlessFormatChange = false;
-                sp<AMessage> newFormat = mSource->getFormat(audio);
-                if (formatChange) {
-                    seamlessFormatChange =
-                        getDecoder(audio)->supportsSeamlessFormatChange(newFormat);
-                    // treat seamless format change separately
-                    formatChange = !seamlessFormatChange;
-                }
-                bool shutdownOrFlush = formatChange || timeChange;
-
-                // We want to queue up scan-sources only once per discontinuity.
-                // We control this by doing it only if neither audio nor video are
-                // flushing or shutting down.  (After handling 1st discontinuity, one
-                // of the flushing states will not be NONE.)
-                // No need to scan sources if this discontinuity does not result
-                // in a flush or shutdown, as the flushing state will stay NONE.
-                if (mFlushingAudio == NONE && mFlushingVideo == NONE &&
-                        shutdownOrFlush) {
-                    // And we'll resume scanning sources once we're done
-                    // flushing.
-                    mDeferredActions.push_front(
-                            new SimpleAction(
-                                &NuPlayer::performScanSources));
-                }
-
-                if (formatChange /* not seamless */) {
-                    // must change decoder
-                    flushDecoder(audio, /* needShutdown = */ true);
-                } else if (timeChange) {
-                    // need to flush
-                    flushDecoder(audio, /* needShutdown = */ false, newFormat);
-                    err = OK;
-                } else if (seamlessFormatChange) {
-                    // reuse existing decoder and don't flush
-                    updateDecoderFormatWithoutFlush(audio, newFormat);
-                    err = OK;
-                } else {
-                    // This stream is unaffected by the discontinuity
-                    return -EWOULDBLOCK;
-                }
-            }
-
-            reply->setInt32("err", err);
-            reply->post();
-            return OK;
-        }
-
-        if (!audio) {
-            ++mNumFramesTotal;
-        }
-
-        dropAccessUnit = false;
-        if (!audio
-                && !(mSourceFlags & Source::FLAG_SECURE)
-                && mRenderer->getVideoLateByUs() > 100000ll
-                && mVideoIsAVC
-                && !IsAVCReferenceFrame(accessUnit)) {
-            dropAccessUnit = true;
-            ++mNumFramesDropped;
-        }
-
-        size_t smallSize = accessUnit->size();
-        needMoreData = false;
-        if (doBufferAggregation && (mAggregateBuffer == NULL)
-                // Don't bother if only room for a few small buffers.
-                && (smallSize < (kAggregateBufferSizeBytes / 3))) {
-            // Create a larger buffer for combining smaller buffers from the extractor.
-            mAggregateBuffer = new ABuffer(kAggregateBufferSizeBytes);
-            mAggregateBuffer->setRange(0, 0); // start empty
-        }
-
-        if (doBufferAggregation && (mAggregateBuffer != NULL)) {
-            int64_t timeUs;
-            int64_t dummy;
-            bool smallTimestampValid = accessUnit->meta()->findInt64("timeUs", &timeUs);
-            bool bigTimestampValid = mAggregateBuffer->meta()->findInt64("timeUs", &dummy);
-            // Will the smaller buffer fit?
-            size_t bigSize = mAggregateBuffer->size();
-            size_t roomLeft = mAggregateBuffer->capacity() - bigSize;
-            // Should we save this small buffer for the next big buffer?
-            // If the first small buffer did not have a timestamp then save
-            // any buffer that does have a timestamp until the next big buffer.
-            if ((smallSize > roomLeft)
-                || (!bigTimestampValid && (bigSize > 0) && smallTimestampValid)) {
-                mPendingAudioErr = err;
-                mPendingAudioAccessUnit = accessUnit;
-                accessUnit.clear();
-            } else {
-                // Grab time from first small buffer if available.
-                if ((bigSize == 0) && smallTimestampValid) {
-                    mAggregateBuffer->meta()->setInt64("timeUs", timeUs);
-                }
-                // Append small buffer to the bigger buffer.
-                memcpy(mAggregateBuffer->base() + bigSize, accessUnit->data(), smallSize);
-                bigSize += smallSize;
-                mAggregateBuffer->setRange(0, bigSize);
-
-                // Keep looping until we run out of room in the mAggregateBuffer.
-                needMoreData = true;
-
-                ALOGV("feedDecoderInputData() smallSize = %zu, bigSize = %zu, capacity = %zu",
-                        smallSize, bigSize, mAggregateBuffer->capacity());
-            }
-        }
-    } while (dropAccessUnit || needMoreData);
-
-    // ALOGV("returned a valid buffer of %s data", audio ? "audio" : "video");
-
-#if 0
-    int64_t mediaTimeUs;
-    CHECK(accessUnit->meta()->findInt64("timeUs", &mediaTimeUs));
-    ALOGV("feeding %s input buffer at media time %.2f secs",
-         audio ? "audio" : "video",
-         mediaTimeUs / 1E6);
-#endif
-
-    if (!audio) {
-        mCCDecoder->decode(accessUnit);
-    }
-
-    if (doBufferAggregation && (mAggregateBuffer != NULL)) {
-        ALOGV("feedDecoderInputData() reply with aggregated buffer, %zu",
-                mAggregateBuffer->size());
-        reply->setBuffer("buffer", mAggregateBuffer);
-        mAggregateBuffer.clear();
-    } else {
-        reply->setBuffer("buffer", accessUnit);
-    }
-
-    reply->post();
-
-    return OK;
-}
-
-void NuPlayer::renderBuffer(bool audio, const sp<AMessage> &msg) {
-    // ALOGV("renderBuffer %s", audio ? "audio" : "video");
-
-    sp<AMessage> reply;
-    CHECK(msg->findMessage("reply", &reply));
-
-    if ((audio && mFlushingAudio != NONE)
-            || (!audio && mFlushingVideo != NONE)) {
-        // We're currently attempting to flush the decoder, in order
-        // to complete this, the decoder wants all its buffers back,
-        // so we don't want any output buffers it sent us (from before
-        // we initiated the flush) to be stuck in the renderer's queue.
-
-        ALOGV("we're still flushing the %s decoder, sending its output buffer"
-             " right back.", audio ? "audio" : "video");
-
-        reply->post();
-        return;
-    }
-
-    sp<ABuffer> buffer;
-    CHECK(msg->findBuffer("buffer", &buffer));
-
-    int64_t mediaTimeUs;
-    CHECK(buffer->meta()->findInt64("timeUs", &mediaTimeUs));
-
-    int64_t &skipUntilMediaTimeUs =
-        audio
-            ? mSkipRenderingAudioUntilMediaTimeUs
-            : mSkipRenderingVideoUntilMediaTimeUs;
-
-    if (skipUntilMediaTimeUs >= 0) {
-
-        if (mediaTimeUs < skipUntilMediaTimeUs) {
-            ALOGV("dropping %s buffer at time %lld as requested.",
-                 audio ? "audio" : "video",
-                 mediaTimeUs);
-
-            reply->post();
-            return;
-        }
-
-        skipUntilMediaTimeUs = -1;
-    }
-
-    if (!audio && mCCDecoder->isSelected()) {
-        mCCDecoder->display(mediaTimeUs);
-    }
-
-    mRenderer->queueBuffer(audio, buffer, reply);
-}
-
 void NuPlayer::updateVideoSize(
         const sp<AMessage> &inputFormat,
         const sp<AMessage> &outputFormat) {
@@ -1566,12 +1329,11 @@
     driver->notifyListener(msg, ext1, ext2, in);
 }
 
-void NuPlayer::flushDecoder(
-        bool audio, bool needShutdown, const sp<AMessage> &newFormat) {
+void NuPlayer::flushDecoder(bool audio, bool needShutdown) {
     ALOGV("[%s] flushDecoder needShutdown=%d",
           audio ? "audio" : "video", needShutdown);
 
-    const sp<Decoder> &decoder = getDecoder(audio);
+    const sp<DecoderBase> &decoder = getDecoder(audio);
     if (decoder == NULL) {
         ALOGI("flushDecoder %s without decoder present",
              audio ? "audio" : "video");
@@ -1582,8 +1344,7 @@
     ++mScanSourcesGeneration;
     mScanSourcesPending = false;
 
-    decoder->signalFlush(newFormat);
-    mRenderer->flush(audio);
+    decoder->signalFlush();
 
     FlushStatus newStatus =
         needShutdown ? FLUSHING_DECODER_SHUTDOWN : FLUSHING_DECODER;
@@ -1598,33 +1359,17 @@
         ALOGE_IF(mFlushingVideo != NONE,
                 "video flushDecoder() is called in state %d", mFlushingVideo);
         mFlushingVideo = newStatus;
-
-        if (mCCDecoder != NULL) {
-            mCCDecoder->flush();
-        }
     }
 }
 
-void NuPlayer::updateDecoderFormatWithoutFlush(
-        bool audio, const sp<AMessage> &format) {
-    ALOGV("[%s] updateDecoderFormatWithoutFlush", audio ? "audio" : "video");
-
-    const sp<Decoder> &decoder = getDecoder(audio);
-    if (decoder == NULL) {
-        ALOGI("updateDecoderFormatWithoutFlush %s without decoder present",
-             audio ? "audio" : "video");
-        return;
-    }
-
-    decoder->signalUpdateFormat(format);
-}
-
 void NuPlayer::queueDecoderShutdown(
         bool audio, bool video, const sp<AMessage> &reply) {
     ALOGI("queueDecoderShutdown audio=%d, video=%d", audio, video);
 
     mDeferredActions.push_back(
-            new ShutdownDecoderAction(audio, video));
+            new FlushDecoderAction(
+                audio ? FLUSH_CMD_SHUTDOWN : FLUSH_CMD_NONE,
+                video ? FLUSH_CMD_SHUTDOWN : FLUSH_CMD_NONE));
 
     mDeferredActions.push_back(
             new SimpleAction(&NuPlayer::performScanSources));
@@ -1670,10 +1415,11 @@
     return err;
 }
 
-status_t NuPlayer::selectTrack(size_t trackIndex, bool select) {
+status_t NuPlayer::selectTrack(size_t trackIndex, bool select, int64_t timeUs) {
     sp<AMessage> msg = new AMessage(kWhatSelectTrack, id());
     msg->setSize("trackIndex", trackIndex);
     msg->setInt32("select", select);
+    msg->setInt64("timeUs", timeUs);
 
     sp<AMessage> response;
     status_t err = msg->postAndAwaitResponse(&response);
@@ -1699,8 +1445,13 @@
 }
 
 void NuPlayer::getStats(int64_t *numFramesTotal, int64_t *numFramesDropped) {
-    *numFramesTotal = mNumFramesTotal;
-    *numFramesDropped = mNumFramesDropped;
+    sp<DecoderBase> decoder = getDecoder(false /* audio */);
+    if (decoder != NULL) {
+        decoder->getStats(numFramesTotal, numFramesDropped);
+    } else {
+        *numFramesTotal = 0;
+        *numFramesDropped = 0;
+    }
 }
 
 sp<MetaData> NuPlayer::getFileMeta() {
@@ -1757,52 +1508,23 @@
     mSource->seekTo(seekTimeUs);
     ++mTimedTextGeneration;
 
-    if (mDriver != NULL) {
-        sp<NuPlayerDriver> driver = mDriver.promote();
-        if (driver != NULL) {
-            if (needNotify) {
-                driver->notifySeekComplete();
-            }
-        }
-    }
-
     // everything's flushed, continue playback.
 }
 
-void NuPlayer::performDecoderFlush() {
-    ALOGV("performDecoderFlush");
+void NuPlayer::performDecoderFlush(FlushCommand audio, FlushCommand video) {
+    ALOGV("performDecoderFlush audio=%d, video=%d", audio, video);
 
-    if (mAudioDecoder == NULL && mVideoDecoder == NULL) {
+    if ((audio == FLUSH_CMD_NONE || mAudioDecoder == NULL)
+            && (video == FLUSH_CMD_NONE || mVideoDecoder == NULL)) {
         return;
     }
 
-    mTimeDiscontinuityPending = true;
-
-    if (mAudioDecoder != NULL) {
-        flushDecoder(true /* audio */, false /* needShutdown */);
+    if (audio != FLUSH_CMD_NONE && mAudioDecoder != NULL) {
+        flushDecoder(true /* audio */, (audio == FLUSH_CMD_SHUTDOWN));
     }
 
-    if (mVideoDecoder != NULL) {
-        flushDecoder(false /* audio */, false /* needShutdown */);
-    }
-}
-
-void NuPlayer::performDecoderShutdown(bool audio, bool video) {
-    ALOGV("performDecoderShutdown audio=%d, video=%d", audio, video);
-
-    if ((!audio || mAudioDecoder == NULL)
-            && (!video || mVideoDecoder == NULL)) {
-        return;
-    }
-
-    mTimeDiscontinuityPending = true;
-
-    if (audio && mAudioDecoder != NULL) {
-        flushDecoder(true /* audio */, true /* needShutdown */);
-    }
-
-    if (video && mVideoDecoder != NULL) {
-        flushDecoder(false /* audio */, true /* needShutdown */);
+    if (video != FLUSH_CMD_NONE && mVideoDecoder != NULL) {
+        flushDecoder(false /* audio */, (video == FLUSH_CMD_SHUTDOWN));
     }
 }
 
@@ -1871,6 +1593,42 @@
     }
 }
 
+void NuPlayer::performResumeDecoders(bool needNotify) {
+    if (needNotify) {
+        mResumePending = true;
+        if (mVideoDecoder == NULL) {
+            // if audio-only, we can notify seek complete now,
+            // as the resume operation will be relatively fast.
+            finishResume();
+        }
+    }
+
+    if (mVideoDecoder != NULL) {
+        // When there is continuous seek, MediaPlayer will cache the seek
+        // position, and send down new seek request when previous seek is
+        // complete. Let's wait for at least one video output frame before
+        // notifying seek complete, so that the video thumbnail gets updated
+        // when seekbar is dragged.
+        mVideoDecoder->signalResume(needNotify);
+    }
+
+    if (mAudioDecoder != NULL) {
+        mAudioDecoder->signalResume(false /* needNotify */);
+    }
+}
+
+void NuPlayer::finishResume() {
+    if (mResumePending) {
+        mResumePending = false;
+        if (mDriver != NULL) {
+            sp<NuPlayerDriver> driver = mDriver.promote();
+            if (driver != NULL) {
+                driver->notifySeekComplete();
+            }
+        }
+    }
+}
+
 void NuPlayer::onSourceNotify(const sp<AMessage> &msg) {
     int32_t what;
     CHECK(msg->findInt32("what", &what));
@@ -1909,6 +1667,10 @@
 
             sp<NuPlayerDriver> driver = mDriver.promote();
             if (driver != NULL) {
+                if ((flags & NuPlayer::Source::FLAG_CAN_SEEK) == 0) {
+                    driver->notifyListener(
+                            MEDIA_INFO, MEDIA_INFO_NOT_SEEKABLE, 0);
+                }
                 driver->notifyFlagsChanged(flags);
             }
 
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayer.h b/media/libmediaplayerservice/nuplayer/NuPlayer.h
index 24c06c9..bb32eac 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayer.h
+++ b/media/libmediaplayerservice/nuplayer/NuPlayer.h
@@ -54,7 +54,6 @@
     void start();
 
     void pause();
-    void resume();
 
     // Will notify the driver through "notifyResetComplete" once finished.
     void resetAsync();
@@ -66,14 +65,12 @@
     status_t setVideoScalingMode(int32_t mode);
     status_t getTrackInfo(Parcel* reply) const;
     status_t getSelectedTrack(int32_t type, Parcel* reply) const;
-    status_t selectTrack(size_t trackIndex, bool select);
+    status_t selectTrack(size_t trackIndex, bool select, int64_t timeUs);
     status_t getCurrentPosition(int64_t *mediaUs);
     void getStats(int64_t *mNumFramesTotal, int64_t *mNumFramesDropped);
 
     sp<MetaData> getFileMeta();
 
-    static const size_t kAggregateBufferSizeBytes;
-
 protected:
     virtual ~NuPlayer();
 
@@ -85,6 +82,7 @@
 
 private:
     struct Decoder;
+    struct DecoderBase;
     struct DecoderPassThrough;
     struct CCDecoder;
     struct GenericSource;
@@ -95,7 +93,8 @@
     struct Action;
     struct SeekAction;
     struct SetSurfaceAction;
-    struct ShutdownDecoderAction;
+    struct ResumeDecoderAction;
+    struct FlushDecoderAction;
     struct PostMessageAction;
     struct SimpleAction;
 
@@ -129,10 +128,9 @@
     uint32_t mSourceFlags;
     sp<NativeWindowWrapper> mNativeWindow;
     sp<MediaPlayerBase::AudioSink> mAudioSink;
-    sp<Decoder> mVideoDecoder;
-    bool mVideoIsAVC;
+    sp<DecoderBase> mVideoDecoder;
     bool mOffloadAudio;
-    sp<Decoder> mAudioDecoder;
+    sp<DecoderBase> mAudioDecoder;
     sp<CCDecoder> mCCDecoder;
     sp<Renderer> mRenderer;
     sp<ALooper> mRendererLooper;
@@ -160,32 +158,26 @@
         SHUT_DOWN,
     };
 
-    // Once the current flush is complete this indicates whether the
-    // notion of time has changed.
-    bool mTimeDiscontinuityPending;
+    enum FlushCommand {
+        FLUSH_CMD_NONE,
+        FLUSH_CMD_FLUSH,
+        FLUSH_CMD_SHUTDOWN,
+    };
 
     // Status of flush responses from the decoder and renderer.
     bool mFlushComplete[2][2];
 
-    // Used by feedDecoderInputData to aggregate small buffers into
-    // one large buffer.
-    sp<ABuffer> mPendingAudioAccessUnit;
-    status_t    mPendingAudioErr;
-    sp<ABuffer> mAggregateBuffer;
-
     FlushStatus mFlushingAudio;
     FlushStatus mFlushingVideo;
 
-    int64_t mSkipRenderingAudioUntilMediaTimeUs;
-    int64_t mSkipRenderingVideoUntilMediaTimeUs;
-
-    int64_t mNumFramesTotal, mNumFramesDropped;
+    // Status of flush responses from the decoder and renderer.
+    bool mResumePending;
 
     int32_t mVideoScalingMode;
 
     bool mStarted;
 
-    inline const sp<Decoder> &getDecoder(bool audio) {
+    inline const sp<DecoderBase> &getDecoder(bool audio) {
         return audio ? mAudioDecoder : mVideoDecoder;
     }
 
@@ -196,28 +188,28 @@
         mFlushComplete[1][1] = false;
     }
 
-    void openAudioSink(const sp<AMessage> &format, bool offloadOnly);
+    void tryOpenAudioSinkForOffload(const sp<AMessage> &format, bool hasVideo);
     void closeAudioSink();
 
-    status_t instantiateDecoder(bool audio, sp<Decoder> *decoder);
+    status_t instantiateDecoder(bool audio, sp<DecoderBase> *decoder);
 
     void updateVideoSize(
             const sp<AMessage> &inputFormat,
             const sp<AMessage> &outputFormat = NULL);
 
-    status_t feedDecoderInputData(bool audio, const sp<AMessage> &msg);
-    void renderBuffer(bool audio, const sp<AMessage> &msg);
-
     void notifyListener(int msg, int ext1, int ext2, const Parcel *in = NULL);
 
     void handleFlushComplete(bool audio, bool isDecoder);
     void finishFlushIfPossible();
 
+    void onStart();
+    void onResume();
+
     bool audioDecoderStillNeeded();
 
-    void flushDecoder(
-            bool audio, bool needShutdown, const sp<AMessage> &newFormat = NULL);
-    void updateDecoderFormatWithoutFlush(bool audio, const sp<AMessage> &format);
+    void flushDecoder(bool audio, bool needShutdown);
+
+    void finishResume();
 
     void postScanSources();
 
@@ -227,11 +219,11 @@
     void processDeferredActions();
 
     void performSeek(int64_t seekTimeUs, bool needNotify);
-    void performDecoderFlush();
-    void performDecoderShutdown(bool audio, bool video);
+    void performDecoderFlush(FlushCommand audio, FlushCommand video);
     void performReset();
     void performScanSources();
     void performSetSurface(const sp<NativeWindowWrapper> &wrapper);
+    void performResumeDecoders(bool needNotify);
 
     void onSourceNotify(const sp<AMessage> &msg);
     void onClosedCaptionNotify(const sp<AMessage> &msg);
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerCCDecoder.cpp b/media/libmediaplayerservice/nuplayer/NuPlayerCCDecoder.cpp
new file mode 100644
index 0000000..9229704
--- /dev/null
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerCCDecoder.cpp
@@ -0,0 +1,361 @@
+/*
+ * Copyright 2014 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_NDEBUG 0
+#define LOG_TAG "NuPlayerCCDecoder"
+#include <utils/Log.h>
+#include <inttypes.h>
+
+#include "NuPlayerCCDecoder.h"
+
+#include <media/stagefright/foundation/ABitReader.h>
+#include <media/stagefright/foundation/ABuffer.h>
+#include <media/stagefright/foundation/ADebug.h>
+#include <media/stagefright/foundation/AMessage.h>
+#include <media/stagefright/MediaDefs.h>
+
+namespace android {
+
+struct CCData {
+    CCData(uint8_t type, uint8_t data1, uint8_t data2)
+        : mType(type), mData1(data1), mData2(data2) {
+    }
+    bool getChannel(size_t *channel) const {
+        if (mData1 >= 0x10 && mData1 <= 0x1f) {
+            *channel = (mData1 >= 0x18 ? 1 : 0) + (mType ? 2 : 0);
+            return true;
+        }
+        return false;
+    }
+
+    uint8_t mType;
+    uint8_t mData1;
+    uint8_t mData2;
+};
+
+static bool isNullPad(CCData *cc) {
+    return cc->mData1 < 0x10 && cc->mData2 < 0x10;
+}
+
+static void dumpBytePair(const sp<ABuffer> &ccBuf) {
+    size_t offset = 0;
+    AString out;
+
+    while (offset < ccBuf->size()) {
+        char tmp[128];
+
+        CCData *cc = (CCData *) (ccBuf->data() + offset);
+
+        if (isNullPad(cc)) {
+            // 1 null pad or XDS metadata, ignore
+            offset += sizeof(CCData);
+            continue;
+        }
+
+        if (cc->mData1 >= 0x20 && cc->mData1 <= 0x7f) {
+            // 2 basic chars
+            sprintf(tmp, "[%d]Basic: %c %c", cc->mType, cc->mData1, cc->mData2);
+        } else if ((cc->mData1 == 0x11 || cc->mData1 == 0x19)
+                 && cc->mData2 >= 0x30 && cc->mData2 <= 0x3f) {
+            // 1 special char
+            sprintf(tmp, "[%d]Special: %02x %02x", cc->mType, cc->mData1, cc->mData2);
+        } else if ((cc->mData1 == 0x12 || cc->mData1 == 0x1A)
+                 && cc->mData2 >= 0x20 && cc->mData2 <= 0x3f){
+            // 1 Spanish/French char
+            sprintf(tmp, "[%d]Spanish: %02x %02x", cc->mType, cc->mData1, cc->mData2);
+        } else if ((cc->mData1 == 0x13 || cc->mData1 == 0x1B)
+                 && cc->mData2 >= 0x20 && cc->mData2 <= 0x3f){
+            // 1 Portuguese/German/Danish char
+            sprintf(tmp, "[%d]German: %02x %02x", cc->mType, cc->mData1, cc->mData2);
+        } else if ((cc->mData1 == 0x11 || cc->mData1 == 0x19)
+                 && cc->mData2 >= 0x20 && cc->mData2 <= 0x2f){
+            // Mid-Row Codes (Table 69)
+            sprintf(tmp, "[%d]Mid-row: %02x %02x", cc->mType, cc->mData1, cc->mData2);
+        } else if (((cc->mData1 == 0x14 || cc->mData1 == 0x1c)
+                  && cc->mData2 >= 0x20 && cc->mData2 <= 0x2f)
+                  ||
+                   ((cc->mData1 == 0x17 || cc->mData1 == 0x1f)
+                  && cc->mData2 >= 0x21 && cc->mData2 <= 0x23)){
+            // Misc Control Codes (Table 70)
+            sprintf(tmp, "[%d]Ctrl: %02x %02x", cc->mType, cc->mData1, cc->mData2);
+        } else if ((cc->mData1 & 0x70) == 0x10
+                && (cc->mData2 & 0x40) == 0x40
+                && ((cc->mData1 & 0x07) || !(cc->mData2 & 0x20)) ) {
+            // Preamble Address Codes (Table 71)
+            sprintf(tmp, "[%d]PAC: %02x %02x", cc->mType, cc->mData1, cc->mData2);
+        } else {
+            sprintf(tmp, "[%d]Invalid: %02x %02x", cc->mType, cc->mData1, cc->mData2);
+        }
+
+        if (out.size() > 0) {
+            out.append(", ");
+        }
+
+        out.append(tmp);
+
+        offset += sizeof(CCData);
+    }
+
+    ALOGI("%s", out.c_str());
+}
+
+NuPlayer::CCDecoder::CCDecoder(const sp<AMessage> &notify)
+    : mNotify(notify),
+      mCurrentChannel(0),
+      mSelectedTrack(-1) {
+      for (size_t i = 0; i < sizeof(mTrackIndices)/sizeof(mTrackIndices[0]); ++i) {
+          mTrackIndices[i] = -1;
+      }
+}
+
+size_t NuPlayer::CCDecoder::getTrackCount() const {
+    return mFoundChannels.size();
+}
+
+sp<AMessage> NuPlayer::CCDecoder::getTrackInfo(size_t index) const {
+    if (!isTrackValid(index)) {
+        return NULL;
+    }
+
+    sp<AMessage> format = new AMessage();
+
+    format->setInt32("type", MEDIA_TRACK_TYPE_SUBTITLE);
+    format->setString("language", "und");
+    format->setString("mime", MEDIA_MIMETYPE_TEXT_CEA_608);
+    //CC1, field 0 channel 0
+    bool isDefaultAuto = (mFoundChannels[index] == 0);
+    format->setInt32("auto", isDefaultAuto);
+    format->setInt32("default", isDefaultAuto);
+    format->setInt32("forced", 0);
+
+    return format;
+}
+
+status_t NuPlayer::CCDecoder::selectTrack(size_t index, bool select) {
+    if (!isTrackValid(index)) {
+        return BAD_VALUE;
+    }
+
+    if (select) {
+        if (mSelectedTrack == (ssize_t)index) {
+            ALOGE("track %zu already selected", index);
+            return BAD_VALUE;
+        }
+        ALOGV("selected track %zu", index);
+        mSelectedTrack = index;
+    } else {
+        if (mSelectedTrack != (ssize_t)index) {
+            ALOGE("track %zu is not selected", index);
+            return BAD_VALUE;
+        }
+        ALOGV("unselected track %zu", index);
+        mSelectedTrack = -1;
+    }
+
+    return OK;
+}
+
+bool NuPlayer::CCDecoder::isSelected() const {
+    return mSelectedTrack >= 0 && mSelectedTrack < (int32_t) getTrackCount();
+}
+
+bool NuPlayer::CCDecoder::isTrackValid(size_t index) const {
+    return index < getTrackCount();
+}
+
+int32_t NuPlayer::CCDecoder::getTrackIndex(size_t channel) const {
+    if (channel < sizeof(mTrackIndices)/sizeof(mTrackIndices[0])) {
+        return mTrackIndices[channel];
+    }
+    return -1;
+}
+
+// returns true if a new CC track is found
+bool NuPlayer::CCDecoder::extractFromSEI(const sp<ABuffer> &accessUnit) {
+    int64_t timeUs;
+    CHECK(accessUnit->meta()->findInt64("timeUs", &timeUs));
+
+    sp<ABuffer> sei;
+    if (!accessUnit->meta()->findBuffer("sei", &sei) || sei == NULL) {
+        return false;
+    }
+
+    bool trackAdded = false;
+
+    NALBitReader br(sei->data() + 1, sei->size() - 1);
+    // sei_message()
+    while (br.atLeastNumBitsLeft(16)) { // at least 16-bit for sei_message()
+        uint32_t payload_type = 0;
+        size_t payload_size = 0;
+        uint8_t last_byte;
+
+        do {
+            last_byte = br.getBits(8);
+            payload_type += last_byte;
+        } while (last_byte == 0xFF);
+
+        do {
+            last_byte = br.getBits(8);
+            payload_size += last_byte;
+        } while (last_byte == 0xFF);
+
+        // sei_payload()
+        if (payload_type == 4) {
+            // user_data_registered_itu_t_t35()
+
+            // ATSC A/72: 6.4.2
+            uint8_t itu_t_t35_country_code = br.getBits(8);
+            uint16_t itu_t_t35_provider_code = br.getBits(16);
+            uint32_t user_identifier = br.getBits(32);
+            uint8_t user_data_type_code = br.getBits(8);
+
+            payload_size -= 1 + 2 + 4 + 1;
+
+            if (itu_t_t35_country_code == 0xB5
+                    && itu_t_t35_provider_code == 0x0031
+                    && user_identifier == 'GA94'
+                    && user_data_type_code == 0x3) {
+                // MPEG_cc_data()
+                // ATSC A/53 Part 4: 6.2.3.1
+                br.skipBits(1); //process_em_data_flag
+                bool process_cc_data_flag = br.getBits(1);
+                br.skipBits(1); //additional_data_flag
+                size_t cc_count = br.getBits(5);
+                br.skipBits(8); // em_data;
+                payload_size -= 2;
+
+                if (process_cc_data_flag) {
+                    AString out;
+
+                    sp<ABuffer> ccBuf = new ABuffer(cc_count * sizeof(CCData));
+                    ccBuf->setRange(0, 0);
+
+                    for (size_t i = 0; i < cc_count; i++) {
+                        uint8_t marker = br.getBits(5);
+                        CHECK_EQ(marker, 0x1f);
+
+                        bool cc_valid = br.getBits(1);
+                        uint8_t cc_type = br.getBits(2);
+                        // remove odd parity bit
+                        uint8_t cc_data_1 = br.getBits(8) & 0x7f;
+                        uint8_t cc_data_2 = br.getBits(8) & 0x7f;
+
+                        if (cc_valid
+                                && (cc_type == 0 || cc_type == 1)) {
+                            CCData cc(cc_type, cc_data_1, cc_data_2);
+                            if (!isNullPad(&cc)) {
+                                size_t channel;
+                                if (cc.getChannel(&channel) && getTrackIndex(channel) < 0) {
+                                    mTrackIndices[channel] = mFoundChannels.size();
+                                    mFoundChannels.push_back(channel);
+                                    trackAdded = true;
+                                }
+                                memcpy(ccBuf->data() + ccBuf->size(),
+                                        (void *)&cc, sizeof(cc));
+                                ccBuf->setRange(0, ccBuf->size() + sizeof(CCData));
+                            }
+                        }
+                    }
+                    payload_size -= cc_count * 3;
+
+                    mCCMap.add(timeUs, ccBuf);
+                    break;
+                }
+            } else {
+                ALOGV("Malformed SEI payload type 4");
+            }
+        } else {
+            ALOGV("Unsupported SEI payload type %d", payload_type);
+        }
+
+        // skipping remaining bits of this payload
+        br.skipBits(payload_size * 8);
+    }
+
+    return trackAdded;
+}
+
+sp<ABuffer> NuPlayer::CCDecoder::filterCCBuf(
+        const sp<ABuffer> &ccBuf, size_t index) {
+    sp<ABuffer> filteredCCBuf = new ABuffer(ccBuf->size());
+    filteredCCBuf->setRange(0, 0);
+
+    size_t cc_count = ccBuf->size() / sizeof(CCData);
+    const CCData* cc_data = (const CCData*)ccBuf->data();
+    for (size_t i = 0; i < cc_count; ++i) {
+        size_t channel;
+        if (cc_data[i].getChannel(&channel)) {
+            mCurrentChannel = channel;
+        }
+        if (mCurrentChannel == mFoundChannels[index]) {
+            memcpy(filteredCCBuf->data() + filteredCCBuf->size(),
+                    (void *)&cc_data[i], sizeof(CCData));
+            filteredCCBuf->setRange(0, filteredCCBuf->size() + sizeof(CCData));
+        }
+    }
+
+    return filteredCCBuf;
+}
+
+void NuPlayer::CCDecoder::decode(const sp<ABuffer> &accessUnit) {
+    if (extractFromSEI(accessUnit)) {
+        ALOGI("Found CEA-608 track");
+        sp<AMessage> msg = mNotify->dup();
+        msg->setInt32("what", kWhatTrackAdded);
+        msg->post();
+    }
+    // TODO: extract CC from other sources
+}
+
+void NuPlayer::CCDecoder::display(int64_t timeUs) {
+    if (!isTrackValid(mSelectedTrack)) {
+        ALOGE("Could not find current track(index=%d)", mSelectedTrack);
+        return;
+    }
+
+    ssize_t index = mCCMap.indexOfKey(timeUs);
+    if (index < 0) {
+        ALOGV("cc for timestamp %" PRId64 " not found", timeUs);
+        return;
+    }
+
+    sp<ABuffer> ccBuf = filterCCBuf(mCCMap.valueAt(index), mSelectedTrack);
+
+    if (ccBuf->size() > 0) {
+#if 0
+        dumpBytePair(ccBuf);
+#endif
+
+        ccBuf->meta()->setInt32("trackIndex", mSelectedTrack);
+        ccBuf->meta()->setInt64("timeUs", timeUs);
+        ccBuf->meta()->setInt64("durationUs", 0ll);
+
+        sp<AMessage> msg = mNotify->dup();
+        msg->setInt32("what", kWhatClosedCaptionData);
+        msg->setBuffer("buffer", ccBuf);
+        msg->post();
+    }
+
+    // remove all entries before timeUs
+    mCCMap.removeItemsAt(0, index + 1);
+}
+
+void NuPlayer::CCDecoder::flush() {
+    mCCMap.clear();
+}
+
+}  // namespace android
+
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerCCDecoder.h b/media/libmediaplayerservice/nuplayer/NuPlayerCCDecoder.h
new file mode 100644
index 0000000..5e06f4e
--- /dev/null
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerCCDecoder.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2014 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 NUPLAYER_CCDECODER_H_
+
+#define NUPLAYER_CCDECODER_H_
+
+#include "NuPlayer.h"
+
+namespace android {
+
+struct NuPlayer::CCDecoder : public RefBase {
+    enum {
+        kWhatClosedCaptionData,
+        kWhatTrackAdded,
+    };
+
+    CCDecoder(const sp<AMessage> &notify);
+
+    size_t getTrackCount() const;
+    sp<AMessage> getTrackInfo(size_t index) const;
+    status_t selectTrack(size_t index, bool select);
+    bool isSelected() const;
+    void decode(const sp<ABuffer> &accessUnit);
+    void display(int64_t timeUs);
+    void flush();
+
+private:
+    sp<AMessage> mNotify;
+    KeyedVector<int64_t, sp<ABuffer> > mCCMap;
+    size_t mCurrentChannel;
+    int32_t mSelectedTrack;
+    int32_t mTrackIndices[4];
+    Vector<size_t> mFoundChannels;
+
+    bool isTrackValid(size_t index) const;
+    int32_t getTrackIndex(size_t channel) const;
+    bool extractFromSEI(const sp<ABuffer> &accessUnit);
+    sp<ABuffer> filterCCBuf(const sp<ABuffer> &ccBuf, size_t index);
+
+    DISALLOW_EVIL_CONSTRUCTORS(CCDecoder);
+};
+
+}  // namespace android
+
+#endif  // NUPLAYER_CCDECODER_H_
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerDecoder.cpp b/media/libmediaplayerservice/nuplayer/NuPlayerDecoder.cpp
index 27f6131..2abd9d6 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerDecoder.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerDecoder.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010 The Android Open Source Project
+ * Copyright 2014 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.
@@ -19,10 +19,12 @@
 #include <utils/Log.h>
 #include <inttypes.h>
 
+#include "NuPlayerCCDecoder.h"
 #include "NuPlayerDecoder.h"
+#include "NuPlayerRenderer.h"
+#include "NuPlayerSource.h"
 
 #include <media/ICrypto.h>
-#include <media/stagefright/foundation/ABitReader.h>
 #include <media/stagefright/foundation/ABuffer.h>
 #include <media/stagefright/foundation/ADebug.h>
 #include <media/stagefright/foundation/AMessage.h>
@@ -31,71 +33,103 @@
 #include <media/stagefright/MediaDefs.h>
 #include <media/stagefright/MediaErrors.h>
 
+#include "avc_utils.h"
+#include "ATSParser.h"
+
 namespace android {
 
 NuPlayer::Decoder::Decoder(
         const sp<AMessage> &notify,
-        const sp<NativeWindowWrapper> &nativeWindow)
-    : mNotify(notify),
+        const sp<Source> &source,
+        const sp<Renderer> &renderer,
+        const sp<NativeWindowWrapper> &nativeWindow,
+        const sp<CCDecoder> &ccDecoder)
+    : DecoderBase(notify),
       mNativeWindow(nativeWindow),
-      mBufferGeneration(0),
+      mSource(source),
+      mRenderer(renderer),
+      mCCDecoder(ccDecoder),
+      mSkipRenderingUntilMediaTimeUs(-1ll),
+      mNumFramesTotal(0ll),
+      mNumFramesDropped(0ll),
+      mIsAudio(true),
+      mIsVideoAVC(false),
+      mIsSecure(false),
+      mFormatChangePending(false),
       mPaused(true),
+      mResumePending(false),
       mComponentName("decoder") {
-    // Every decoder has its own looper because MediaCodec operations
-    // are blocking, but NuPlayer needs asynchronous operations.
-    mDecoderLooper = new ALooper;
-    mDecoderLooper->setName("NPDecoder");
-    mDecoderLooper->start(false, false, ANDROID_PRIORITY_AUDIO);
-
     mCodecLooper = new ALooper;
     mCodecLooper->setName("NPDecoder-CL");
     mCodecLooper->start(false, false, ANDROID_PRIORITY_AUDIO);
 }
 
 NuPlayer::Decoder::~Decoder() {
-    mDecoderLooper->unregisterHandler(id());
-    mDecoderLooper->stop();
-
     releaseAndResetMediaBuffers();
 }
 
-static
-status_t PostAndAwaitResponse(
-        const sp<AMessage> &msg, sp<AMessage> *response) {
-    status_t err = msg->postAndAwaitResponse(response);
-
-    if (err != OK) {
-        return err;
-    }
-
-    if (!(*response)->findInt32("err", &err)) {
-        err = OK;
-    }
-
-    return err;
+void NuPlayer::Decoder::getStats(
+        int64_t *numFramesTotal,
+        int64_t *numFramesDropped) const {
+    *numFramesTotal = mNumFramesTotal;
+    *numFramesDropped = mNumFramesDropped;
 }
 
-void NuPlayer::Decoder::rememberCodecSpecificData(const sp<AMessage> &format) {
-    mCSDsForCurrentFormat.clear();
-    for (int32_t i = 0; ; ++i) {
-        AString tag = "csd-";
-        tag.append(i);
-        sp<ABuffer> buffer;
-        if (!format->findBuffer(tag.c_str(), &buffer)) {
+void NuPlayer::Decoder::onMessageReceived(const sp<AMessage> &msg) {
+    ALOGV("[%s] onMessage: %s", mComponentName.c_str(), msg->debugString().c_str());
+
+    switch (msg->what()) {
+        case kWhatCodecNotify:
+        {
+            if (!isStaleReply(msg)) {
+                int32_t numInput, numOutput;
+
+                if (!msg->findInt32("input-buffers", &numInput)) {
+                    numInput = INT32_MAX;
+                }
+
+                if (!msg->findInt32("output-buffers", &numOutput)) {
+                    numOutput = INT32_MAX;
+                }
+
+                if (!mPaused) {
+                    while (numInput-- > 0 && handleAnInputBuffer()) {}
+                }
+
+                while (numOutput-- > 0 && handleAnOutputBuffer()) {}
+            }
+
+            requestCodecNotification();
             break;
         }
-        mCSDsForCurrentFormat.push(buffer);
+
+        case kWhatRenderBuffer:
+        {
+            if (!isStaleReply(msg)) {
+                onRenderBuffer(msg);
+            }
+            break;
+        }
+
+        default:
+            DecoderBase::onMessageReceived(msg);
+            break;
     }
 }
 
 void NuPlayer::Decoder::onConfigure(const sp<AMessage> &format) {
     CHECK(mCodec == NULL);
 
+    mFormatChangePending = false;
+
     ++mBufferGeneration;
 
     AString mime;
     CHECK(format->findString("mime", &mime));
 
+    mIsAudio = !strncasecmp("audio/", mime.c_str(), 6);
+    mIsVideoAVC = !strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime.c_str());
+
     sp<Surface> surface = NULL;
     if (mNativeWindow != NULL) {
         surface = mNativeWindow->getSurfaceTextureClient();
@@ -123,6 +157,7 @@
         handleError(UNKNOWN_ERROR);
         return;
     }
+    mIsSecure = secure;
 
     mCodec->getName(&mComponentName);
 
@@ -169,83 +204,141 @@
             mInputBuffers.size(),
             mOutputBuffers.size());
 
-    requestCodecNotification();
+    if (mRenderer != NULL) {
+        requestCodecNotification();
+    }
     mPaused = false;
+    mResumePending = false;
 }
 
-void NuPlayer::Decoder::releaseAndResetMediaBuffers() {
-    for (size_t i = 0; i < mMediaBuffers.size(); i++) {
-        if (mMediaBuffers[i] != NULL) {
-            mMediaBuffers[i]->release();
-            mMediaBuffers.editItemAt(i) = NULL;
+void NuPlayer::Decoder::onSetRenderer(const sp<Renderer> &renderer) {
+    bool hadNoRenderer = (mRenderer == NULL);
+    mRenderer = renderer;
+    if (hadNoRenderer && mRenderer != NULL) {
+        requestCodecNotification();
+    }
+}
+
+void NuPlayer::Decoder::onGetInputBuffers(
+        Vector<sp<ABuffer> > *dstBuffers) {
+    dstBuffers->clear();
+    for (size_t i = 0; i < mInputBuffers.size(); i++) {
+        dstBuffers->push(mInputBuffers[i]);
+    }
+}
+
+void NuPlayer::Decoder::onResume(bool notifyComplete) {
+    mPaused = false;
+
+    if (notifyComplete) {
+        mResumePending = true;
+    }
+}
+
+void NuPlayer::Decoder::onFlush(bool notifyComplete) {
+    if (mCCDecoder != NULL) {
+        mCCDecoder->flush();
+    }
+
+    if (mRenderer != NULL) {
+        mRenderer->flush(mIsAudio, notifyComplete);
+        mRenderer->signalTimeDiscontinuity();
+    }
+
+    status_t err = OK;
+    if (mCodec != NULL) {
+        err = mCodec->flush();
+        mCSDsToSubmit = mCSDsForCurrentFormat; // copy operator
+        ++mBufferGeneration;
+    }
+
+    if (err != OK) {
+        ALOGE("failed to flush %s (err=%d)", mComponentName.c_str(), err);
+        handleError(err);
+        // finish with posting kWhatFlushCompleted.
+        // we attempt to release the buffers even if flush fails.
+    }
+    releaseAndResetMediaBuffers();
+
+    if (notifyComplete) {
+        sp<AMessage> notify = mNotify->dup();
+        notify->setInt32("what", kWhatFlushCompleted);
+        notify->post();
+        mPaused = true;
+    }
+}
+
+void NuPlayer::Decoder::onShutdown(bool notifyComplete) {
+    status_t err = OK;
+
+    // if there is a pending resume request, notify complete now
+    notifyResumeCompleteIfNecessary();
+
+    if (mCodec != NULL) {
+        err = mCodec->release();
+        mCodec = NULL;
+        ++mBufferGeneration;
+
+        if (mNativeWindow != NULL) {
+            // reconnect to surface as MediaCodec disconnected from it
+            status_t error =
+                    native_window_api_connect(
+                            mNativeWindow->getNativeWindow().get(),
+                            NATIVE_WINDOW_API_MEDIA);
+            ALOGW_IF(error != NO_ERROR,
+                    "[%s] failed to connect to native window, error=%d",
+                    mComponentName.c_str(), error);
+        }
+        mComponentName = "decoder";
+    }
+
+    releaseAndResetMediaBuffers();
+
+    if (err != OK) {
+        ALOGE("failed to release %s (err=%d)", mComponentName.c_str(), err);
+        handleError(err);
+        // finish with posting kWhatShutdownCompleted.
+    }
+
+    if (notifyComplete) {
+        sp<AMessage> notify = mNotify->dup();
+        notify->setInt32("what", kWhatShutdownCompleted);
+        notify->post();
+        mPaused = true;
+    }
+}
+
+void NuPlayer::Decoder::doRequestBuffers() {
+    if (mFormatChangePending) {
+        return;
+    }
+    status_t err = OK;
+    while (!mDequeuedInputBuffers.empty()) {
+        size_t bufferIx = *mDequeuedInputBuffers.begin();
+        sp<AMessage> msg = new AMessage();
+        msg->setSize("buffer-ix", bufferIx);
+        err = fetchInputData(msg);
+        if (err != OK) {
+            break;
+        }
+        mDequeuedInputBuffers.erase(mDequeuedInputBuffers.begin());
+
+        if (!mPendingInputMessages.empty()
+                || !onInputBufferFetched(msg)) {
+            mPendingInputMessages.push_back(msg);
         }
     }
-    mMediaBuffers.resize(mInputBuffers.size());
-    for (size_t i = 0; i < mMediaBuffers.size(); i++) {
-        mMediaBuffers.editItemAt(i) = NULL;
+
+    if (err == -EWOULDBLOCK
+            && mSource->feedMoreTSData() == OK) {
+        scheduleRequestBuffers();
     }
-    mInputBufferIsDequeued.clear();
-    mInputBufferIsDequeued.resize(mInputBuffers.size());
-    for (size_t i = 0; i < mInputBufferIsDequeued.size(); i++) {
-        mInputBufferIsDequeued.editItemAt(i) = false;
-    }
-
-    mPendingInputMessages.clear();
-}
-
-void NuPlayer::Decoder::requestCodecNotification() {
-    if (mCodec != NULL) {
-        sp<AMessage> reply = new AMessage(kWhatCodecNotify, id());
-        reply->setInt32("generation", mBufferGeneration);
-        mCodec->requestActivityNotification(reply);
-    }
-}
-
-bool NuPlayer::Decoder::isStaleReply(const sp<AMessage> &msg) {
-    int32_t generation;
-    CHECK(msg->findInt32("generation", &generation));
-    return generation != mBufferGeneration;
-}
-
-void NuPlayer::Decoder::init() {
-    mDecoderLooper->registerHandler(this);
-}
-
-void NuPlayer::Decoder::configure(const sp<AMessage> &format) {
-    sp<AMessage> msg = new AMessage(kWhatConfigure, id());
-    msg->setMessage("format", format);
-    msg->post();
-}
-
-void NuPlayer::Decoder::signalUpdateFormat(const sp<AMessage> &format) {
-    sp<AMessage> msg = new AMessage(kWhatUpdateFormat, id());
-    msg->setMessage("format", format);
-    msg->post();
-}
-
-status_t NuPlayer::Decoder::getInputBuffers(Vector<sp<ABuffer> > *buffers) const {
-    sp<AMessage> msg = new AMessage(kWhatGetInputBuffers, id());
-    msg->setPointer("buffers", buffers);
-
-    sp<AMessage> response;
-    return PostAndAwaitResponse(msg, &response);
-}
-
-void NuPlayer::Decoder::handleError(int32_t err)
-{
-    // We cannot immediately release the codec due to buffers still outstanding
-    // in the renderer.  We signal to the player the error so it can shutdown/release the
-    // decoder after flushing and increment the generation to discard unnecessary messages.
-
-    ++mBufferGeneration;
-
-    sp<AMessage> notify = mNotify->dup();
-    notify->setInt32("what", kWhatError);
-    notify->setInt32("err", err);
-    notify->post();
 }
 
 bool NuPlayer::Decoder::handleAnInputBuffer() {
+    if (mFormatChangePending) {
+        return false;
+    }
     size_t bufferIx = -1;
     status_t res = mCodec->dequeueInputBuffer(&bufferIx);
     ALOGV("[%s] dequeued input: %d",
@@ -267,22 +360,21 @@
     }
     mInputBufferIsDequeued.editItemAt(bufferIx) = true;
 
-    sp<AMessage> reply = new AMessage(kWhatInputBufferFilled, id());
-    reply->setSize("buffer-ix", bufferIx);
-    reply->setInt32("generation", mBufferGeneration);
-
     if (!mCSDsToSubmit.isEmpty()) {
+        sp<AMessage> msg = new AMessage();
+        msg->setSize("buffer-ix", bufferIx);
+
         sp<ABuffer> buffer = mCSDsToSubmit.itemAt(0);
         ALOGI("[%s] resubmitting CSD", mComponentName.c_str());
-        reply->setBuffer("buffer", buffer);
+        msg->setBuffer("buffer", buffer);
         mCSDsToSubmit.removeAt(0);
-        CHECK(onInputBufferFilled(reply));
+        CHECK(onInputBufferFetched(msg));
         return true;
     }
 
     while (!mPendingInputMessages.empty()) {
         sp<AMessage> msg = *mPendingInputMessages.begin();
-        if (!onInputBufferFilled(msg)) {
+        if (!onInputBufferFetched(msg)) {
             break;
         }
         mPendingInputMessages.erase(mPendingInputMessages.begin());
@@ -292,15 +384,273 @@
         return true;
     }
 
-    sp<AMessage> notify = mNotify->dup();
-    notify->setInt32("what", kWhatFillThisBuffer);
-    notify->setBuffer("buffer", mInputBuffers[bufferIx]);
-    notify->setMessage("reply", reply);
-    notify->post();
+    mDequeuedInputBuffers.push_back(bufferIx);
+
+    onRequestInputBuffers();
     return true;
 }
 
-bool android::NuPlayer::Decoder::onInputBufferFilled(const sp<AMessage> &msg) {
+bool NuPlayer::Decoder::handleAnOutputBuffer() {
+    if (mFormatChangePending) {
+        return false;
+    }
+    size_t bufferIx = -1;
+    size_t offset;
+    size_t size;
+    int64_t timeUs;
+    uint32_t flags;
+    status_t res = mCodec->dequeueOutputBuffer(
+            &bufferIx, &offset, &size, &timeUs, &flags);
+
+    if (res != OK) {
+        ALOGV("[%s] dequeued output: %d", mComponentName.c_str(), res);
+    } else {
+        ALOGV("[%s] dequeued output: %d (time=%lld flags=%" PRIu32 ")",
+                mComponentName.c_str(), (int)bufferIx, timeUs, flags);
+    }
+
+    if (res == INFO_OUTPUT_BUFFERS_CHANGED) {
+        res = mCodec->getOutputBuffers(&mOutputBuffers);
+        if (res != OK) {
+            ALOGE("Failed to get output buffers for %s after INFO event (err=%d)",
+                    mComponentName.c_str(), res);
+            handleError(res);
+            return false;
+        }
+        // NuPlayer ignores this
+        return true;
+    } else if (res == INFO_FORMAT_CHANGED) {
+        sp<AMessage> format = new AMessage();
+        res = mCodec->getOutputFormat(&format);
+        if (res != OK) {
+            ALOGE("Failed to get output format for %s after INFO event (err=%d)",
+                    mComponentName.c_str(), res);
+            handleError(res);
+            return false;
+        }
+
+        if (!mIsAudio) {
+            sp<AMessage> notify = mNotify->dup();
+            notify->setInt32("what", kWhatVideoSizeChanged);
+            notify->setMessage("format", format);
+            notify->post();
+        } else if (mRenderer != NULL) {
+            uint32_t flags;
+            int64_t durationUs;
+            bool hasVideo = (mSource->getFormat(false /* audio */) != NULL);
+            if (!hasVideo &&
+                    mSource->getDuration(&durationUs) == OK &&
+                    durationUs
+                        > AUDIO_SINK_MIN_DEEP_BUFFER_DURATION_US) {
+                flags = AUDIO_OUTPUT_FLAG_DEEP_BUFFER;
+            } else {
+                flags = AUDIO_OUTPUT_FLAG_NONE;
+            }
+
+            res = mRenderer->openAudioSink(
+                    format, false /* offloadOnly */, hasVideo, flags, NULL /* isOffloaded */);
+            if (res != OK) {
+                ALOGE("Failed to open AudioSink on format change for %s (err=%d)",
+                        mComponentName.c_str(), res);
+                handleError(res);
+                return false;
+            }
+        }
+        return true;
+    } else if (res == INFO_DISCONTINUITY) {
+        // nothing to do
+        return true;
+    } else if (res != OK) {
+        if (res != -EAGAIN) {
+            ALOGE("Failed to dequeue output buffer for %s (err=%d)",
+                    mComponentName.c_str(), res);
+            handleError(res);
+        }
+        return false;
+    }
+
+    CHECK_LT(bufferIx, mOutputBuffers.size());
+    sp<ABuffer> buffer = mOutputBuffers[bufferIx];
+    buffer->setRange(offset, size);
+    buffer->meta()->clear();
+    buffer->meta()->setInt64("timeUs", timeUs);
+    if (flags & MediaCodec::BUFFER_FLAG_EOS) {
+        buffer->meta()->setInt32("eos", true);
+        notifyResumeCompleteIfNecessary();
+    }
+    // we do not expect CODECCONFIG or SYNCFRAME for decoder
+
+    sp<AMessage> reply = new AMessage(kWhatRenderBuffer, id());
+    reply->setSize("buffer-ix", bufferIx);
+    reply->setInt32("generation", mBufferGeneration);
+
+    if (mSkipRenderingUntilMediaTimeUs >= 0) {
+        if (timeUs < mSkipRenderingUntilMediaTimeUs) {
+            ALOGV("[%s] dropping buffer at time %lld as requested.",
+                     mComponentName.c_str(), (long long)timeUs);
+
+            reply->post();
+            return true;
+        }
+
+        mSkipRenderingUntilMediaTimeUs = -1;
+    }
+
+    // wait until 1st frame comes out to signal resume complete
+    notifyResumeCompleteIfNecessary();
+
+    if (mRenderer != NULL) {
+        // send the buffer to renderer.
+        mRenderer->queueBuffer(mIsAudio, buffer, reply);
+        if (flags & MediaCodec::BUFFER_FLAG_EOS) {
+            mRenderer->queueEOS(mIsAudio, ERROR_END_OF_STREAM);
+        }
+    }
+
+    return true;
+}
+
+void NuPlayer::Decoder::releaseAndResetMediaBuffers() {
+    for (size_t i = 0; i < mMediaBuffers.size(); i++) {
+        if (mMediaBuffers[i] != NULL) {
+            mMediaBuffers[i]->release();
+            mMediaBuffers.editItemAt(i) = NULL;
+        }
+    }
+    mMediaBuffers.resize(mInputBuffers.size());
+    for (size_t i = 0; i < mMediaBuffers.size(); i++) {
+        mMediaBuffers.editItemAt(i) = NULL;
+    }
+    mInputBufferIsDequeued.clear();
+    mInputBufferIsDequeued.resize(mInputBuffers.size());
+    for (size_t i = 0; i < mInputBufferIsDequeued.size(); i++) {
+        mInputBufferIsDequeued.editItemAt(i) = false;
+    }
+
+    mPendingInputMessages.clear();
+    mDequeuedInputBuffers.clear();
+    mSkipRenderingUntilMediaTimeUs = -1;
+}
+
+void NuPlayer::Decoder::requestCodecNotification() {
+    if (mFormatChangePending) {
+        return;
+    }
+    if (mCodec != NULL) {
+        sp<AMessage> reply = new AMessage(kWhatCodecNotify, id());
+        reply->setInt32("generation", mBufferGeneration);
+        mCodec->requestActivityNotification(reply);
+    }
+}
+
+bool NuPlayer::Decoder::isStaleReply(const sp<AMessage> &msg) {
+    int32_t generation;
+    CHECK(msg->findInt32("generation", &generation));
+    return generation != mBufferGeneration;
+}
+
+status_t NuPlayer::Decoder::fetchInputData(sp<AMessage> &reply) {
+    sp<ABuffer> accessUnit;
+    bool dropAccessUnit;
+    do {
+        status_t err = mSource->dequeueAccessUnit(mIsAudio, &accessUnit);
+
+        if (err == -EWOULDBLOCK) {
+            return err;
+        } else if (err != OK) {
+            if (err == INFO_DISCONTINUITY) {
+                int32_t type;
+                CHECK(accessUnit->meta()->findInt32("discontinuity", &type));
+
+                bool formatChange =
+                    (mIsAudio &&
+                     (type & ATSParser::DISCONTINUITY_AUDIO_FORMAT))
+                    || (!mIsAudio &&
+                            (type & ATSParser::DISCONTINUITY_VIDEO_FORMAT));
+
+                bool timeChange = (type & ATSParser::DISCONTINUITY_TIME) != 0;
+
+                ALOGI("%s discontinuity (format=%d, time=%d)",
+                        mIsAudio ? "audio" : "video", formatChange, timeChange);
+
+                bool seamlessFormatChange = false;
+                sp<AMessage> newFormat = mSource->getFormat(mIsAudio);
+                if (formatChange) {
+                    seamlessFormatChange =
+                        supportsSeamlessFormatChange(newFormat);
+                    // treat seamless format change separately
+                    formatChange = !seamlessFormatChange;
+                }
+
+                if (formatChange || timeChange) {
+                    sp<AMessage> msg = mNotify->dup();
+                    msg->setInt32("what", kWhatInputDiscontinuity);
+                    msg->setInt32("formatChange", formatChange);
+                    msg->post();
+                }
+
+                if (formatChange /* not seamless */) {
+                    // must change decoder
+                    // return EOS and wait to be killed
+                    mFormatChangePending = true;
+                    return ERROR_END_OF_STREAM;
+                } else if (timeChange) {
+                    // need to flush
+                    // TODO: Ideally we shouldn't need a flush upon time
+                    // discontinuity, flushing will cause loss of frames.
+                    // We probably should queue a time change marker to the
+                    // output queue, and handles it in renderer instead.
+                    rememberCodecSpecificData(newFormat);
+                    onFlush(false /* notifyComplete */);
+                    err = OK;
+                } else if (seamlessFormatChange) {
+                    // reuse existing decoder and don't flush
+                    rememberCodecSpecificData(newFormat);
+                    err = OK;
+                } else {
+                    // This stream is unaffected by the discontinuity
+                    return -EWOULDBLOCK;
+                }
+            }
+
+            reply->setInt32("err", err);
+            return OK;
+        }
+
+        if (!mIsAudio) {
+            ++mNumFramesTotal;
+        }
+
+        dropAccessUnit = false;
+        if (!mIsAudio
+                && !mIsSecure
+                && mRenderer->getVideoLateByUs() > 100000ll
+                && mIsVideoAVC
+                && !IsAVCReferenceFrame(accessUnit)) {
+            dropAccessUnit = true;
+            ++mNumFramesDropped;
+        }
+    } while (dropAccessUnit);
+
+    // ALOGV("returned a valid buffer of %s data", mIsAudio ? "mIsAudio" : "video");
+#if 0
+    int64_t mediaTimeUs;
+    CHECK(accessUnit->meta()->findInt64("timeUs", &mediaTimeUs));
+    ALOGV("feeding %s input buffer at media time %.2f secs",
+         mIsAudio ? "audio" : "video",
+         mediaTimeUs / 1E6);
+#endif
+
+    if (mCCDecoder != NULL) {
+        mCCDecoder->decode(accessUnit);
+    }
+
+    reply->setBuffer("buffer", accessUnit);
+
+    return OK;
+}
+
+bool NuPlayer::Decoder::onInputBufferFetched(const sp<AMessage> &msg) {
     size_t bufferIx;
     CHECK(msg->findSize("buffer-ix", &bufferIx));
     CHECK_LT(bufferIx, mInputBuffers.size());
@@ -342,8 +692,6 @@
         }
     }
 
-
-
     if (buffer == NULL /* includes !hasBuffer */) {
         int32_t streamErr = ERROR_END_OF_STREAM;
         CHECK(msg->findInt32("err", &streamErr) || !hasBuffer);
@@ -375,6 +723,17 @@
             handleError(streamErr);
         }
     } else {
+        sp<AMessage> extra;
+        if (buffer->meta()->findMessage("extra", &extra) && extra != NULL) {
+            int64_t resumeAtMediaTimeUs;
+            if (extra->findInt64(
+                        "resume-at-mediaTimeUs", &resumeAtMediaTimeUs)) {
+                ALOGI("[%s] suppressing rendering until %lld us",
+                        mComponentName.c_str(), (long long)resumeAtMediaTimeUs);
+                mSkipRenderingUntilMediaTimeUs = resumeAtMediaTimeUs;
+            }
+        }
+
         int64_t timeUs = 0;
         uint32_t flags = 0;
         CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
@@ -418,96 +777,22 @@
     return true;
 }
 
-bool NuPlayer::Decoder::handleAnOutputBuffer() {
-    size_t bufferIx = -1;
-    size_t offset;
-    size_t size;
-    int64_t timeUs;
-    uint32_t flags;
-    status_t res = mCodec->dequeueOutputBuffer(
-            &bufferIx, &offset, &size, &timeUs, &flags);
-
-    if (res != OK) {
-        ALOGV("[%s] dequeued output: %d", mComponentName.c_str(), res);
-    } else {
-        ALOGV("[%s] dequeued output: %d (time=%lld flags=%" PRIu32 ")",
-                mComponentName.c_str(), (int)bufferIx, timeUs, flags);
-    }
-
-    if (res == INFO_OUTPUT_BUFFERS_CHANGED) {
-        res = mCodec->getOutputBuffers(&mOutputBuffers);
-        if (res != OK) {
-            ALOGE("Failed to get output buffers for %s after INFO event (err=%d)",
-                    mComponentName.c_str(), res);
-            handleError(res);
-            return false;
-        }
-        // NuPlayer ignores this
-        return true;
-    } else if (res == INFO_FORMAT_CHANGED) {
-        sp<AMessage> format = new AMessage();
-        res = mCodec->getOutputFormat(&format);
-        if (res != OK) {
-            ALOGE("Failed to get output format for %s after INFO event (err=%d)",
-                    mComponentName.c_str(), res);
-            handleError(res);
-            return false;
-        }
-
-        sp<AMessage> notify = mNotify->dup();
-        notify->setInt32("what", kWhatOutputFormatChanged);
-        notify->setMessage("format", format);
-        notify->post();
-        return true;
-    } else if (res == INFO_DISCONTINUITY) {
-        // nothing to do
-        return true;
-    } else if (res != OK) {
-        if (res != -EAGAIN) {
-            ALOGE("Failed to dequeue output buffer for %s (err=%d)",
-                    mComponentName.c_str(), res);
-            handleError(res);
-        }
-        return false;
-    }
-
-    CHECK_LT(bufferIx, mOutputBuffers.size());
-    sp<ABuffer> buffer = mOutputBuffers[bufferIx];
-    buffer->setRange(offset, size);
-    buffer->meta()->clear();
-    buffer->meta()->setInt64("timeUs", timeUs);
-    if (flags & MediaCodec::BUFFER_FLAG_EOS) {
-        buffer->meta()->setInt32("eos", true);
-    }
-    // we do not expect CODECCONFIG or SYNCFRAME for decoder
-
-    sp<AMessage> reply = new AMessage(kWhatRenderBuffer, id());
-    reply->setSize("buffer-ix", bufferIx);
-    reply->setInt32("generation", mBufferGeneration);
-
-    sp<AMessage> notify = mNotify->dup();
-    notify->setInt32("what", kWhatDrainThisBuffer);
-    notify->setBuffer("buffer", buffer);
-    notify->setMessage("reply", reply);
-    notify->post();
-
-    // FIXME: This should be handled after rendering is complete,
-    // but Renderer needs it now
-    if (flags & MediaCodec::BUFFER_FLAG_EOS) {
-        ALOGV("queueing eos [%s]", mComponentName.c_str());
-        sp<AMessage> notify = mNotify->dup();
-        notify->setInt32("what", kWhatEOS);
-        notify->setInt32("err", ERROR_END_OF_STREAM);
-        notify->post();
-    }
-    return true;
-}
-
 void NuPlayer::Decoder::onRenderBuffer(const sp<AMessage> &msg) {
     status_t err;
     int32_t render;
     size_t bufferIx;
     CHECK(msg->findSize("buffer-ix", &bufferIx));
+
+    if (!mIsAudio) {
+        int64_t timeUs;
+        sp<ABuffer> buffer = mOutputBuffers[bufferIx];
+        buffer->meta()->findInt64("timeUs", &timeUs);
+
+        if (mCCDecoder != NULL && mCCDecoder->isSelected()) {
+            mCCDecoder->display(timeUs);
+        }
+    }
+
     if (msg->findInt32("render", &render) && render) {
         int64_t timestampNs;
         CHECK(msg->findInt64("timestampNs", &timestampNs));
@@ -522,192 +807,8 @@
     }
 }
 
-void NuPlayer::Decoder::onFlush() {
-    status_t err = OK;
-    if (mCodec != NULL) {
-        err = mCodec->flush();
-        mCSDsToSubmit = mCSDsForCurrentFormat; // copy operator
-        ++mBufferGeneration;
-    }
-
-    if (err != OK) {
-        ALOGE("failed to flush %s (err=%d)", mComponentName.c_str(), err);
-        handleError(err);
-        // finish with posting kWhatFlushCompleted.
-        // we attempt to release the buffers even if flush fails.
-    }
-    releaseAndResetMediaBuffers();
-
-    sp<AMessage> notify = mNotify->dup();
-    notify->setInt32("what", kWhatFlushCompleted);
-    notify->post();
-    mPaused = true;
-}
-
-void NuPlayer::Decoder::onResume() {
-    mPaused = false;
-}
-
-void NuPlayer::Decoder::onShutdown() {
-    status_t err = OK;
-    if (mCodec != NULL) {
-        err = mCodec->release();
-        mCodec = NULL;
-        ++mBufferGeneration;
-
-        if (mNativeWindow != NULL) {
-            // reconnect to surface as MediaCodec disconnected from it
-            status_t error =
-                    native_window_api_connect(
-                            mNativeWindow->getNativeWindow().get(),
-                            NATIVE_WINDOW_API_MEDIA);
-            ALOGW_IF(error != NO_ERROR,
-                    "[%s] failed to connect to native window, error=%d",
-                    mComponentName.c_str(), error);
-        }
-        mComponentName = "decoder";
-    }
-
-    releaseAndResetMediaBuffers();
-
-    if (err != OK) {
-        ALOGE("failed to release %s (err=%d)", mComponentName.c_str(), err);
-        handleError(err);
-        // finish with posting kWhatShutdownCompleted.
-    }
-
-    sp<AMessage> notify = mNotify->dup();
-    notify->setInt32("what", kWhatShutdownCompleted);
-    notify->post();
-    mPaused = true;
-}
-
-void NuPlayer::Decoder::onMessageReceived(const sp<AMessage> &msg) {
-    ALOGV("[%s] onMessage: %s", mComponentName.c_str(), msg->debugString().c_str());
-
-    switch (msg->what()) {
-        case kWhatConfigure:
-        {
-            sp<AMessage> format;
-            CHECK(msg->findMessage("format", &format));
-            onConfigure(format);
-            break;
-        }
-
-        case kWhatUpdateFormat:
-        {
-            sp<AMessage> format;
-            CHECK(msg->findMessage("format", &format));
-            rememberCodecSpecificData(format);
-            break;
-        }
-
-        case kWhatGetInputBuffers:
-        {
-            uint32_t replyID;
-            CHECK(msg->senderAwaitsResponse(&replyID));
-
-            Vector<sp<ABuffer> > *dstBuffers;
-            CHECK(msg->findPointer("buffers", (void **)&dstBuffers));
-
-            dstBuffers->clear();
-            for (size_t i = 0; i < mInputBuffers.size(); i++) {
-                dstBuffers->push(mInputBuffers[i]);
-            }
-
-            (new AMessage)->postReply(replyID);
-            break;
-        }
-
-        case kWhatCodecNotify:
-        {
-            if (!isStaleReply(msg)) {
-                int32_t numInput, numOutput;
-
-                if (!msg->findInt32("input-buffers", &numInput)) {
-                    numInput = INT32_MAX;
-                }
-
-                if (!msg->findInt32("output-buffers", &numOutput)) {
-                    numOutput = INT32_MAX;
-                }
-
-                if (!mPaused) {
-                    while (numInput-- > 0 && handleAnInputBuffer()) {}
-                }
-
-                while (numOutput-- > 0 && handleAnOutputBuffer()) {}
-            }
-
-            requestCodecNotification();
-            break;
-        }
-
-        case kWhatInputBufferFilled:
-        {
-            if (!isStaleReply(msg)) {
-                if (!mPendingInputMessages.empty()
-                        || !onInputBufferFilled(msg)) {
-                    mPendingInputMessages.push_back(msg);
-                }
-            }
-
-            break;
-        }
-
-        case kWhatRenderBuffer:
-        {
-            if (!isStaleReply(msg)) {
-                onRenderBuffer(msg);
-            }
-            break;
-        }
-
-        case kWhatFlush:
-        {
-            sp<AMessage> format;
-            if (msg->findMessage("new-format", &format)) {
-                rememberCodecSpecificData(format);
-            }
-            onFlush();
-            break;
-        }
-
-        case kWhatResume:
-        {
-            onResume();
-            break;
-        }
-
-        case kWhatShutdown:
-        {
-            onShutdown();
-            break;
-        }
-
-        default:
-            TRESPASS();
-            break;
-    }
-}
-
-void NuPlayer::Decoder::signalFlush(const sp<AMessage> &format) {
-    sp<AMessage> msg = new AMessage(kWhatFlush, id());
-    if (format != NULL) {
-        msg->setMessage("new-format", format);
-    }
-    msg->post();
-}
-
-void NuPlayer::Decoder::signalResume() {
-    (new AMessage(kWhatResume, id()))->post();
-}
-
-void NuPlayer::Decoder::initiateShutdown() {
-    (new AMessage(kWhatShutdown, id()))->post();
-}
-
-bool NuPlayer::Decoder::supportsSeamlessAudioFormatChange(const sp<AMessage> &targetFormat) const {
+bool NuPlayer::Decoder::supportsSeamlessAudioFormatChange(
+        const sp<AMessage> &targetFormat) const {
     if (targetFormat == NULL) {
         return true;
     }
@@ -772,332 +873,30 @@
     return seamless;
 }
 
-struct CCData {
-    CCData(uint8_t type, uint8_t data1, uint8_t data2)
-        : mType(type), mData1(data1), mData2(data2) {
-    }
-    bool getChannel(size_t *channel) const {
-        if (mData1 >= 0x10 && mData1 <= 0x1f) {
-            *channel = (mData1 >= 0x18 ? 1 : 0) + (mType ? 2 : 0);
-            return true;
-        }
-        return false;
-    }
-
-    uint8_t mType;
-    uint8_t mData1;
-    uint8_t mData2;
-};
-
-static bool isNullPad(CCData *cc) {
-    return cc->mData1 < 0x10 && cc->mData2 < 0x10;
-}
-
-static void dumpBytePair(const sp<ABuffer> &ccBuf) {
-    size_t offset = 0;
-    AString out;
-
-    while (offset < ccBuf->size()) {
-        char tmp[128];
-
-        CCData *cc = (CCData *) (ccBuf->data() + offset);
-
-        if (isNullPad(cc)) {
-            // 1 null pad or XDS metadata, ignore
-            offset += sizeof(CCData);
-            continue;
-        }
-
-        if (cc->mData1 >= 0x20 && cc->mData1 <= 0x7f) {
-            // 2 basic chars
-            sprintf(tmp, "[%d]Basic: %c %c", cc->mType, cc->mData1, cc->mData2);
-        } else if ((cc->mData1 == 0x11 || cc->mData1 == 0x19)
-                 && cc->mData2 >= 0x30 && cc->mData2 <= 0x3f) {
-            // 1 special char
-            sprintf(tmp, "[%d]Special: %02x %02x", cc->mType, cc->mData1, cc->mData2);
-        } else if ((cc->mData1 == 0x12 || cc->mData1 == 0x1A)
-                 && cc->mData2 >= 0x20 && cc->mData2 <= 0x3f){
-            // 1 Spanish/French char
-            sprintf(tmp, "[%d]Spanish: %02x %02x", cc->mType, cc->mData1, cc->mData2);
-        } else if ((cc->mData1 == 0x13 || cc->mData1 == 0x1B)
-                 && cc->mData2 >= 0x20 && cc->mData2 <= 0x3f){
-            // 1 Portuguese/German/Danish char
-            sprintf(tmp, "[%d]German: %02x %02x", cc->mType, cc->mData1, cc->mData2);
-        } else if ((cc->mData1 == 0x11 || cc->mData1 == 0x19)
-                 && cc->mData2 >= 0x20 && cc->mData2 <= 0x2f){
-            // Mid-Row Codes (Table 69)
-            sprintf(tmp, "[%d]Mid-row: %02x %02x", cc->mType, cc->mData1, cc->mData2);
-        } else if (((cc->mData1 == 0x14 || cc->mData1 == 0x1c)
-                  && cc->mData2 >= 0x20 && cc->mData2 <= 0x2f)
-                  ||
-                   ((cc->mData1 == 0x17 || cc->mData1 == 0x1f)
-                  && cc->mData2 >= 0x21 && cc->mData2 <= 0x23)){
-            // Misc Control Codes (Table 70)
-            sprintf(tmp, "[%d]Ctrl: %02x %02x", cc->mType, cc->mData1, cc->mData2);
-        } else if ((cc->mData1 & 0x70) == 0x10
-                && (cc->mData2 & 0x40) == 0x40
-                && ((cc->mData1 & 0x07) || !(cc->mData2 & 0x20)) ) {
-            // Preamble Address Codes (Table 71)
-            sprintf(tmp, "[%d]PAC: %02x %02x", cc->mType, cc->mData1, cc->mData2);
-        } else {
-            sprintf(tmp, "[%d]Invalid: %02x %02x", cc->mType, cc->mData1, cc->mData2);
-        }
-
-        if (out.size() > 0) {
-            out.append(", ");
-        }
-
-        out.append(tmp);
-
-        offset += sizeof(CCData);
-    }
-
-    ALOGI("%s", out.c_str());
-}
-
-NuPlayer::CCDecoder::CCDecoder(const sp<AMessage> &notify)
-    : mNotify(notify),
-      mCurrentChannel(0),
-      mSelectedTrack(-1) {
-      for (size_t i = 0; i < sizeof(mTrackIndices)/sizeof(mTrackIndices[0]); ++i) {
-          mTrackIndices[i] = -1;
-      }
-}
-
-size_t NuPlayer::CCDecoder::getTrackCount() const {
-    return mFoundChannels.size();
-}
-
-sp<AMessage> NuPlayer::CCDecoder::getTrackInfo(size_t index) const {
-    if (!isTrackValid(index)) {
-        return NULL;
-    }
-
-    sp<AMessage> format = new AMessage();
-
-    format->setInt32("type", MEDIA_TRACK_TYPE_SUBTITLE);
-    format->setString("language", "und");
-    format->setString("mime", MEDIA_MIMETYPE_TEXT_CEA_608);
-    //CC1, field 0 channel 0
-    bool isDefaultAuto = (mFoundChannels[index] == 0);
-    format->setInt32("auto", isDefaultAuto);
-    format->setInt32("default", isDefaultAuto);
-    format->setInt32("forced", 0);
-
-    return format;
-}
-
-status_t NuPlayer::CCDecoder::selectTrack(size_t index, bool select) {
-    if (!isTrackValid(index)) {
-        return BAD_VALUE;
-    }
-
-    if (select) {
-        if (mSelectedTrack == (ssize_t)index) {
-            ALOGE("track %zu already selected", index);
-            return BAD_VALUE;
-        }
-        ALOGV("selected track %zu", index);
-        mSelectedTrack = index;
-    } else {
-        if (mSelectedTrack != (ssize_t)index) {
-            ALOGE("track %zu is not selected", index);
-            return BAD_VALUE;
-        }
-        ALOGV("unselected track %zu", index);
-        mSelectedTrack = -1;
-    }
-
-    return OK;
-}
-
-bool NuPlayer::CCDecoder::isSelected() const {
-    return mSelectedTrack >= 0 && mSelectedTrack < (int32_t) getTrackCount();
-}
-
-bool NuPlayer::CCDecoder::isTrackValid(size_t index) const {
-    return index < getTrackCount();
-}
-
-int32_t NuPlayer::CCDecoder::getTrackIndex(size_t channel) const {
-    if (channel < sizeof(mTrackIndices)/sizeof(mTrackIndices[0])) {
-        return mTrackIndices[channel];
-    }
-    return -1;
-}
-
-// returns true if a new CC track is found
-bool NuPlayer::CCDecoder::extractFromSEI(const sp<ABuffer> &accessUnit) {
-    int64_t timeUs;
-    CHECK(accessUnit->meta()->findInt64("timeUs", &timeUs));
-
-    sp<ABuffer> sei;
-    if (!accessUnit->meta()->findBuffer("sei", &sei) || sei == NULL) {
-        return false;
-    }
-
-    bool trackAdded = false;
-
-    NALBitReader br(sei->data() + 1, sei->size() - 1);
-    // sei_message()
-    while (br.atLeastNumBitsLeft(16)) { // at least 16-bit for sei_message()
-        uint32_t payload_type = 0;
-        size_t payload_size = 0;
-        uint8_t last_byte;
-
-        do {
-            last_byte = br.getBits(8);
-            payload_type += last_byte;
-        } while (last_byte == 0xFF);
-
-        do {
-            last_byte = br.getBits(8);
-            payload_size += last_byte;
-        } while (last_byte == 0xFF);
-
-        // sei_payload()
-        if (payload_type == 4) {
-            // user_data_registered_itu_t_t35()
-
-            // ATSC A/72: 6.4.2
-            uint8_t itu_t_t35_country_code = br.getBits(8);
-            uint16_t itu_t_t35_provider_code = br.getBits(16);
-            uint32_t user_identifier = br.getBits(32);
-            uint8_t user_data_type_code = br.getBits(8);
-
-            payload_size -= 1 + 2 + 4 + 1;
-
-            if (itu_t_t35_country_code == 0xB5
-                    && itu_t_t35_provider_code == 0x0031
-                    && user_identifier == 'GA94'
-                    && user_data_type_code == 0x3) {
-                // MPEG_cc_data()
-                // ATSC A/53 Part 4: 6.2.3.1
-                br.skipBits(1); //process_em_data_flag
-                bool process_cc_data_flag = br.getBits(1);
-                br.skipBits(1); //additional_data_flag
-                size_t cc_count = br.getBits(5);
-                br.skipBits(8); // em_data;
-                payload_size -= 2;
-
-                if (process_cc_data_flag) {
-                    AString out;
-
-                    sp<ABuffer> ccBuf = new ABuffer(cc_count * sizeof(CCData));
-                    ccBuf->setRange(0, 0);
-
-                    for (size_t i = 0; i < cc_count; i++) {
-                        uint8_t marker = br.getBits(5);
-                        CHECK_EQ(marker, 0x1f);
-
-                        bool cc_valid = br.getBits(1);
-                        uint8_t cc_type = br.getBits(2);
-                        // remove odd parity bit
-                        uint8_t cc_data_1 = br.getBits(8) & 0x7f;
-                        uint8_t cc_data_2 = br.getBits(8) & 0x7f;
-
-                        if (cc_valid
-                                && (cc_type == 0 || cc_type == 1)) {
-                            CCData cc(cc_type, cc_data_1, cc_data_2);
-                            if (!isNullPad(&cc)) {
-                                size_t channel;
-                                if (cc.getChannel(&channel) && getTrackIndex(channel) < 0) {
-                                    mTrackIndices[channel] = mFoundChannels.size();
-                                    mFoundChannels.push_back(channel);
-                                    trackAdded = true;
-                                }
-                                memcpy(ccBuf->data() + ccBuf->size(),
-                                        (void *)&cc, sizeof(cc));
-                                ccBuf->setRange(0, ccBuf->size() + sizeof(CCData));
-                            }
-                        }
-                    }
-                    payload_size -= cc_count * 3;
-
-                    mCCMap.add(timeUs, ccBuf);
-                    break;
-                }
-            } else {
-                ALOGV("Malformed SEI payload type 4");
-            }
-        } else {
-            ALOGV("Unsupported SEI payload type %d", payload_type);
-        }
-
-        // skipping remaining bits of this payload
-        br.skipBits(payload_size * 8);
-    }
-
-    return trackAdded;
-}
-
-sp<ABuffer> NuPlayer::CCDecoder::filterCCBuf(
-        const sp<ABuffer> &ccBuf, size_t index) {
-    sp<ABuffer> filteredCCBuf = new ABuffer(ccBuf->size());
-    filteredCCBuf->setRange(0, 0);
-
-    size_t cc_count = ccBuf->size() / sizeof(CCData);
-    const CCData* cc_data = (const CCData*)ccBuf->data();
-    for (size_t i = 0; i < cc_count; ++i) {
-        size_t channel;
-        if (cc_data[i].getChannel(&channel)) {
-            mCurrentChannel = channel;
-        }
-        if (mCurrentChannel == mFoundChannels[index]) {
-            memcpy(filteredCCBuf->data() + filteredCCBuf->size(),
-                    (void *)&cc_data[i], sizeof(CCData));
-            filteredCCBuf->setRange(0, filteredCCBuf->size() + sizeof(CCData));
-        }
-    }
-
-    return filteredCCBuf;
-}
-
-void NuPlayer::CCDecoder::decode(const sp<ABuffer> &accessUnit) {
-    if (extractFromSEI(accessUnit)) {
-        ALOGI("Found CEA-608 track");
-        sp<AMessage> msg = mNotify->dup();
-        msg->setInt32("what", kWhatTrackAdded);
-        msg->post();
-    }
-    // TODO: extract CC from other sources
-}
-
-void NuPlayer::CCDecoder::display(int64_t timeUs) {
-    if (!isTrackValid(mSelectedTrack)) {
-        ALOGE("Could not find current track(index=%d)", mSelectedTrack);
+void NuPlayer::Decoder::rememberCodecSpecificData(const sp<AMessage> &format) {
+    if (format == NULL) {
         return;
     }
-
-    ssize_t index = mCCMap.indexOfKey(timeUs);
-    if (index < 0) {
-        ALOGV("cc for timestamp %" PRId64 " not found", timeUs);
-        return;
+    mCSDsForCurrentFormat.clear();
+    for (int32_t i = 0; ; ++i) {
+        AString tag = "csd-";
+        tag.append(i);
+        sp<ABuffer> buffer;
+        if (!format->findBuffer(tag.c_str(), &buffer)) {
+            break;
+        }
+        mCSDsForCurrentFormat.push(buffer);
     }
-
-    sp<ABuffer> ccBuf = filterCCBuf(mCCMap.valueAt(index), mSelectedTrack);
-
-    if (ccBuf->size() > 0) {
-#if 0
-        dumpBytePair(ccBuf);
-#endif
-
-        ccBuf->meta()->setInt32("trackIndex", mSelectedTrack);
-        ccBuf->meta()->setInt64("timeUs", timeUs);
-        ccBuf->meta()->setInt64("durationUs", 0ll);
-
-        sp<AMessage> msg = mNotify->dup();
-        msg->setInt32("what", kWhatClosedCaptionData);
-        msg->setBuffer("buffer", ccBuf);
-        msg->post();
-    }
-
-    // remove all entries before timeUs
-    mCCMap.removeItemsAt(0, index + 1);
 }
 
-void NuPlayer::CCDecoder::flush() {
-    mCCMap.clear();
+void NuPlayer::Decoder::notifyResumeCompleteIfNecessary() {
+    if (mResumePending) {
+        mResumePending = false;
+
+        sp<AMessage> notify = mNotify->dup();
+        notify->setInt32("what", kWhatResumeCompleted);
+        notify->post();
+    }
 }
 
 }  // namespace android
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerDecoder.h b/media/libmediaplayerservice/nuplayer/NuPlayerDecoder.h
index dba3eee..1bfa94f 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerDecoder.h
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerDecoder.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010 The Android Open Source Project
+ * Copyright 2014 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.
@@ -15,70 +15,54 @@
  */
 
 #ifndef NUPLAYER_DECODER_H_
-
 #define NUPLAYER_DECODER_H_
 
 #include "NuPlayer.h"
 
-#include <media/stagefright/foundation/AHandler.h>
+#include "NuPlayerDecoderBase.h"
 
 namespace android {
 
-struct ABuffer;
-struct MediaCodec;
-struct MediaBuffer;
-
-struct NuPlayer::Decoder : public AHandler {
+struct NuPlayer::Decoder : public DecoderBase {
     Decoder(const sp<AMessage> &notify,
-            const sp<NativeWindowWrapper> &nativeWindow = NULL);
+            const sp<Source> &source,
+            const sp<Renderer> &renderer = NULL,
+            const sp<NativeWindowWrapper> &nativeWindow = NULL,
+            const sp<CCDecoder> &ccDecoder = NULL);
 
-    virtual void configure(const sp<AMessage> &format);
-    virtual void init();
-
-    status_t getInputBuffers(Vector<sp<ABuffer> > *dstBuffers) const;
-    virtual void signalFlush(const sp<AMessage> &format = NULL);
-    virtual void signalUpdateFormat(const sp<AMessage> &format);
-    virtual void signalResume();
-    virtual void initiateShutdown();
-
-    virtual bool supportsSeamlessFormatChange(const sp<AMessage> &to) const;
-
-    enum {
-        kWhatFillThisBuffer      = 'flTB',
-        kWhatDrainThisBuffer     = 'drTB',
-        kWhatOutputFormatChanged = 'fmtC',
-        kWhatFlushCompleted      = 'flsC',
-        kWhatShutdownCompleted   = 'shDC',
-        kWhatEOS                 = 'eos ',
-        kWhatError               = 'err ',
-    };
+    virtual void getStats(
+            int64_t *mNumFramesTotal,
+            int64_t *mNumFramesDropped) const;
 
 protected:
-
     virtual ~Decoder();
 
     virtual void onMessageReceived(const sp<AMessage> &msg);
 
+    virtual void onConfigure(const sp<AMessage> &format);
+    virtual void onSetRenderer(const sp<Renderer> &renderer);
+    virtual void onGetInputBuffers(Vector<sp<ABuffer> > *dstBuffers);
+    virtual void onResume(bool notifyComplete);
+    virtual void onFlush(bool notifyComplete);
+    virtual void onShutdown(bool notifyComplete);
+    virtual void doRequestBuffers();
+
 private:
     enum {
-        kWhatCodecNotify        = 'cdcN',
-        kWhatConfigure          = 'conf',
-        kWhatGetInputBuffers    = 'gInB',
-        kWhatInputBufferFilled  = 'inpF',
-        kWhatRenderBuffer       = 'rndr',
-        kWhatFlush              = 'flus',
-        kWhatShutdown           = 'shuD',
-        kWhatUpdateFormat       = 'uFmt',
+        kWhatCodecNotify         = 'cdcN',
+        kWhatRenderBuffer        = 'rndr',
     };
 
-    sp<AMessage> mNotify;
     sp<NativeWindowWrapper> mNativeWindow;
 
+    sp<Source> mSource;
+    sp<Renderer> mRenderer;
+    sp<CCDecoder> mCCDecoder;
+
     sp<AMessage> mInputFormat;
     sp<AMessage> mOutputFormat;
     sp<MediaCodec> mCodec;
     sp<ALooper> mCodecLooper;
-    sp<ALooper> mDecoderLooper;
 
     List<sp<AMessage> > mPendingInputMessages;
 
@@ -88,8 +72,20 @@
     Vector<sp<ABuffer> > mCSDsToSubmit;
     Vector<bool> mInputBufferIsDequeued;
     Vector<MediaBuffer *> mMediaBuffers;
+    Vector<size_t> mDequeuedInputBuffers;
 
-    void handleError(int32_t err);
+    int64_t mSkipRenderingUntilMediaTimeUs;
+    int64_t mNumFramesTotal;
+    int64_t mNumFramesDropped;
+    bool mIsAudio;
+    bool mIsVideoAVC;
+    bool mIsSecure;
+    bool mFormatChangePending;
+
+    bool mPaused;
+    bool mResumePending;
+    AString mComponentName;
+
     bool handleAnInputBuffer();
     bool handleAnOutputBuffer();
 
@@ -97,55 +93,19 @@
     void requestCodecNotification();
     bool isStaleReply(const sp<AMessage> &msg);
 
-    void onConfigure(const sp<AMessage> &format);
-    void onFlush();
-    void onResume();
-    bool onInputBufferFilled(const sp<AMessage> &msg);
+    status_t fetchInputData(sp<AMessage> &reply);
+    bool onInputBufferFetched(const sp<AMessage> &msg);
     void onRenderBuffer(const sp<AMessage> &msg);
-    void onShutdown();
 
-    int32_t mBufferGeneration;
-    bool mPaused;
-    AString mComponentName;
-
+    bool supportsSeamlessFormatChange(const sp<AMessage> &to) const;
     bool supportsSeamlessAudioFormatChange(const sp<AMessage> &targetFormat) const;
     void rememberCodecSpecificData(const sp<AMessage> &format);
 
+    void notifyResumeCompleteIfNecessary();
+
     DISALLOW_EVIL_CONSTRUCTORS(Decoder);
 };
 
-struct NuPlayer::CCDecoder : public RefBase {
-    enum {
-        kWhatClosedCaptionData,
-        kWhatTrackAdded,
-    };
-
-    CCDecoder(const sp<AMessage> &notify);
-
-    size_t getTrackCount() const;
-    sp<AMessage> getTrackInfo(size_t index) const;
-    status_t selectTrack(size_t index, bool select);
-    bool isSelected() const;
-    void decode(const sp<ABuffer> &accessUnit);
-    void display(int64_t timeUs);
-    void flush();
-
-private:
-    sp<AMessage> mNotify;
-    KeyedVector<int64_t, sp<ABuffer> > mCCMap;
-    size_t mCurrentChannel;
-    int32_t mSelectedTrack;
-    int32_t mTrackIndices[4];
-    Vector<size_t> mFoundChannels;
-
-    bool isTrackValid(size_t index) const;
-    int32_t getTrackIndex(size_t channel) const;
-    bool extractFromSEI(const sp<ABuffer> &accessUnit);
-    sp<ABuffer> filterCCBuf(const sp<ABuffer> &ccBuf, size_t index);
-
-    DISALLOW_EVIL_CONSTRUCTORS(CCDecoder);
-};
-
 }  // namespace android
 
 #endif  // NUPLAYER_DECODER_H_
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerDecoderBase.cpp b/media/libmediaplayerservice/nuplayer/NuPlayerDecoderBase.cpp
new file mode 100644
index 0000000..d56fc4d
--- /dev/null
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerDecoderBase.cpp
@@ -0,0 +1,200 @@
+/*
+ * 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_NDEBUG 0
+#define LOG_TAG "NuPlayerDecoderBase"
+#include <utils/Log.h>
+#include <inttypes.h>
+
+#include "NuPlayerDecoderBase.h"
+
+#include "NuPlayerRenderer.h"
+
+#include <media/stagefright/foundation/ADebug.h>
+#include <media/stagefright/foundation/AMessage.h>
+
+namespace android {
+
+NuPlayer::DecoderBase::DecoderBase(const sp<AMessage> &notify)
+    :  mNotify(notify),
+       mBufferGeneration(0),
+       mRequestInputBuffersPending(false) {
+    // Every decoder has its own looper because MediaCodec operations
+    // are blocking, but NuPlayer needs asynchronous operations.
+    mDecoderLooper = new ALooper;
+    mDecoderLooper->setName("NPDecoder");
+    mDecoderLooper->start(false, false, ANDROID_PRIORITY_AUDIO);
+}
+
+NuPlayer::DecoderBase::~DecoderBase() {
+    mDecoderLooper->unregisterHandler(id());
+    mDecoderLooper->stop();
+}
+
+static
+status_t PostAndAwaitResponse(
+        const sp<AMessage> &msg, sp<AMessage> *response) {
+    status_t err = msg->postAndAwaitResponse(response);
+
+    if (err != OK) {
+        return err;
+    }
+
+    if (!(*response)->findInt32("err", &err)) {
+        err = OK;
+    }
+
+    return err;
+}
+
+void NuPlayer::DecoderBase::configure(const sp<AMessage> &format) {
+    sp<AMessage> msg = new AMessage(kWhatConfigure, id());
+    msg->setMessage("format", format);
+    msg->post();
+}
+
+void NuPlayer::DecoderBase::init() {
+    mDecoderLooper->registerHandler(this);
+}
+
+void NuPlayer::DecoderBase::setRenderer(const sp<Renderer> &renderer) {
+    sp<AMessage> msg = new AMessage(kWhatSetRenderer, id());
+    msg->setObject("renderer", renderer);
+    msg->post();
+}
+
+status_t NuPlayer::DecoderBase::getInputBuffers(Vector<sp<ABuffer> > *buffers) const {
+    sp<AMessage> msg = new AMessage(kWhatGetInputBuffers, id());
+    msg->setPointer("buffers", buffers);
+
+    sp<AMessage> response;
+    return PostAndAwaitResponse(msg, &response);
+}
+
+void NuPlayer::DecoderBase::signalFlush() {
+    (new AMessage(kWhatFlush, id()))->post();
+}
+
+void NuPlayer::DecoderBase::signalResume(bool notifyComplete) {
+    sp<AMessage> msg = new AMessage(kWhatResume, id());
+    msg->setInt32("notifyComplete", notifyComplete);
+    msg->post();
+}
+
+void NuPlayer::DecoderBase::initiateShutdown() {
+    (new AMessage(kWhatShutdown, id()))->post();
+}
+
+void NuPlayer::DecoderBase::onRequestInputBuffers() {
+    if (mRequestInputBuffersPending) {
+        return;
+    }
+
+    doRequestBuffers();
+}
+
+void NuPlayer::DecoderBase::scheduleRequestBuffers() {
+    if (mRequestInputBuffersPending) {
+        return;
+    }
+    mRequestInputBuffersPending = true;
+    sp<AMessage> msg = new AMessage(kWhatRequestInputBuffers, id());
+    msg->post(10 * 1000ll);
+}
+
+void NuPlayer::DecoderBase::onMessageReceived(const sp<AMessage> &msg) {
+
+    switch (msg->what()) {
+        case kWhatConfigure:
+        {
+            sp<AMessage> format;
+            CHECK(msg->findMessage("format", &format));
+            onConfigure(format);
+            break;
+        }
+
+        case kWhatSetRenderer:
+        {
+            sp<RefBase> obj;
+            CHECK(msg->findObject("renderer", &obj));
+            onSetRenderer(static_cast<Renderer *>(obj.get()));
+            break;
+        }
+
+        case kWhatGetInputBuffers:
+        {
+            uint32_t replyID;
+            CHECK(msg->senderAwaitsResponse(&replyID));
+
+            Vector<sp<ABuffer> > *dstBuffers;
+            CHECK(msg->findPointer("buffers", (void **)&dstBuffers));
+
+            onGetInputBuffers(dstBuffers);
+
+            (new AMessage)->postReply(replyID);
+            break;
+        }
+
+        case kWhatRequestInputBuffers:
+        {
+            mRequestInputBuffersPending = false;
+            onRequestInputBuffers();
+            break;
+        }
+
+        case kWhatFlush:
+        {
+            onFlush(true);
+            break;
+        }
+
+        case kWhatResume:
+        {
+            int32_t notifyComplete;
+            CHECK(msg->findInt32("notifyComplete", &notifyComplete));
+
+            onResume(notifyComplete);
+            break;
+        }
+
+        case kWhatShutdown:
+        {
+            onShutdown(true);
+            break;
+        }
+
+        default:
+            TRESPASS();
+            break;
+    }
+}
+
+void NuPlayer::DecoderBase::handleError(int32_t err)
+{
+    // We cannot immediately release the codec due to buffers still outstanding
+    // in the renderer.  We signal to the player the error so it can shutdown/release the
+    // decoder after flushing and increment the generation to discard unnecessary messages.
+
+    ++mBufferGeneration;
+
+    sp<AMessage> notify = mNotify->dup();
+    notify->setInt32("what", kWhatError);
+    notify->setInt32("err", err);
+    notify->post();
+}
+
+}  // namespace android
+
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerDecoderBase.h b/media/libmediaplayerservice/nuplayer/NuPlayerDecoderBase.h
new file mode 100644
index 0000000..6732ff4
--- /dev/null
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerDecoderBase.h
@@ -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.
+ */
+
+#ifndef NUPLAYER_DECODER_BASE_H_
+
+#define NUPLAYER_DECODER_BASE_H_
+
+#include "NuPlayer.h"
+
+#include <media/stagefright/foundation/AHandler.h>
+
+namespace android {
+
+struct ABuffer;
+struct MediaCodec;
+struct MediaBuffer;
+
+struct NuPlayer::DecoderBase : public AHandler {
+    DecoderBase(const sp<AMessage> &notify);
+
+    void configure(const sp<AMessage> &format);
+    void init();
+
+    void setRenderer(const sp<Renderer> &renderer);
+
+    status_t getInputBuffers(Vector<sp<ABuffer> > *dstBuffers) const;
+    void signalFlush();
+    void signalResume(bool notifyComplete);
+    void initiateShutdown();
+
+    virtual void getStats(
+            int64_t *mNumFramesTotal,
+            int64_t *mNumFramesDropped) const = 0;
+
+    enum {
+        kWhatInputDiscontinuity  = 'inDi',
+        kWhatVideoSizeChanged    = 'viSC',
+        kWhatFlushCompleted      = 'flsC',
+        kWhatShutdownCompleted   = 'shDC',
+        kWhatResumeCompleted     = 'resC',
+        kWhatEOS                 = 'eos ',
+        kWhatError               = 'err ',
+    };
+
+protected:
+
+    virtual ~DecoderBase();
+
+    virtual void onMessageReceived(const sp<AMessage> &msg);
+
+    virtual void onConfigure(const sp<AMessage> &format) = 0;
+    virtual void onSetRenderer(const sp<Renderer> &renderer) = 0;
+    virtual void onGetInputBuffers(Vector<sp<ABuffer> > *dstBuffers) = 0;
+    virtual void onResume(bool notifyComplete) = 0;
+    virtual void onFlush(bool notifyComplete) = 0;
+    virtual void onShutdown(bool notifyComplete) = 0;
+
+    void onRequestInputBuffers();
+    void scheduleRequestBuffers();
+    virtual void doRequestBuffers() = 0;
+    virtual void handleError(int32_t err);
+
+    sp<AMessage> mNotify;
+    int32_t mBufferGeneration;
+
+private:
+    enum {
+        kWhatConfigure           = 'conf',
+        kWhatSetRenderer         = 'setR',
+        kWhatGetInputBuffers     = 'gInB',
+        kWhatRequestInputBuffers = 'reqB',
+        kWhatFlush               = 'flus',
+        kWhatShutdown            = 'shuD',
+    };
+
+    sp<ALooper> mDecoderLooper;
+    bool mRequestInputBuffersPending;
+
+    DISALLOW_EVIL_CONSTRUCTORS(DecoderBase);
+};
+
+}  // namespace android
+
+#endif  // NUPLAYER_DECODER_BASE_H_
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerDecoderPassThrough.cpp b/media/libmediaplayerservice/nuplayer/NuPlayerDecoderPassThrough.cpp
index f7aacdd..9f7f09a 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerDecoderPassThrough.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerDecoderPassThrough.cpp
@@ -21,79 +21,80 @@
 
 #include "NuPlayerDecoderPassThrough.h"
 
+#include "NuPlayerRenderer.h"
+#include "NuPlayerSource.h"
+
 #include <media/ICrypto.h>
 #include <media/stagefright/foundation/ABuffer.h>
 #include <media/stagefright/foundation/ADebug.h>
 #include <media/stagefright/foundation/AMessage.h>
-#include <media/stagefright/MediaDefs.h>
 #include <media/stagefright/MediaErrors.h>
 
+#include "ATSParser.h"
+
 namespace android {
 
+// TODO optimize buffer size for power consumption
+// The offload read buffer size is 32 KB but 24 KB uses less power.
+static const size_t kAggregateBufferSizeBytes = 24 * 1024;
 static const size_t kMaxCachedBytes = 200000;
-// The buffers will contain a bit less than kAggregateBufferSizeBytes.
-// So we can start off with just enough buffers to keep the cache full.
-static const size_t kMaxPendingBuffers = 1 + (kMaxCachedBytes / NuPlayer::kAggregateBufferSizeBytes);
 
 NuPlayer::DecoderPassThrough::DecoderPassThrough(
-        const sp<AMessage> &notify)
-    : Decoder(notify),
-      mNotify(notify),
-      mBufferGeneration(0),
+        const sp<AMessage> &notify,
+        const sp<Source> &source,
+        const sp<Renderer> &renderer)
+    : DecoderBase(notify),
+      mSource(source),
+      mRenderer(renderer),
+      mSkipRenderingUntilMediaTimeUs(-1ll),
+      mPaused(false),
       mReachedEOS(true),
-      mPendingBuffersToFill(0),
+      mPendingAudioErr(OK),
       mPendingBuffersToDrain(0),
       mCachedBytes(0),
       mComponentName("pass through decoder") {
-    mDecoderLooper = new ALooper;
-    mDecoderLooper->setName("NuPlayerDecoderPassThrough");
-    mDecoderLooper->start(false, false, ANDROID_PRIORITY_AUDIO);
+    ALOGW_IF(renderer == NULL, "expect a non-NULL renderer");
 }
 
 NuPlayer::DecoderPassThrough::~DecoderPassThrough() {
 }
 
-void NuPlayer::DecoderPassThrough::configure(const sp<AMessage> &format) {
-    sp<AMessage> msg = new AMessage(kWhatConfigure, id());
-    msg->setMessage("format", format);
-    msg->post();
-}
-
-void NuPlayer::DecoderPassThrough::init() {
-    mDecoderLooper->registerHandler(this);
-}
-
-void NuPlayer::DecoderPassThrough::signalFlush() {
-    (new AMessage(kWhatFlush, id()))->post();
-}
-
-void NuPlayer::DecoderPassThrough::signalResume() {
-    (new AMessage(kWhatResume, id()))->post();
-}
-
-void NuPlayer::DecoderPassThrough::initiateShutdown() {
-    (new AMessage(kWhatShutdown, id()))->post();
-}
-
-bool NuPlayer::DecoderPassThrough::supportsSeamlessFormatChange(
-        const sp<AMessage> & /* targetFormat */) const {
-    return true;
+void NuPlayer::DecoderPassThrough::getStats(
+        int64_t *numFramesTotal, int64_t *numFramesDropped) const {
+    *numFramesTotal = 0;
+    *numFramesDropped = 0;
 }
 
 void NuPlayer::DecoderPassThrough::onConfigure(const sp<AMessage> &format) {
     ALOGV("[%s] onConfigure", mComponentName.c_str());
     mCachedBytes = 0;
-    mPendingBuffersToFill = 0;
     mPendingBuffersToDrain = 0;
     mReachedEOS = false;
     ++mBufferGeneration;
 
-    requestMaxBuffers();
+    onRequestInputBuffers();
 
-    sp<AMessage> notify = mNotify->dup();
-    notify->setInt32("what", kWhatOutputFormatChanged);
-    notify->setMessage("format", format);
-    notify->post();
+    // The audio sink is already opened before the PassThrough decoder is created.
+    // Opening again might be relevant if decoder is instantiated after shutdown and
+    // format is different.
+    status_t err = mRenderer->openAudioSink(
+            format, true /* offloadOnly */, false /* hasVideo */,
+            AUDIO_OUTPUT_FLAG_NONE /* flags */, NULL /* isOffloaded */);
+    if (err != OK) {
+        handleError(err);
+    }
+}
+
+void NuPlayer::DecoderPassThrough::onSetRenderer(
+        const sp<Renderer> &renderer) {
+    // renderer can't be changed during offloading
+    ALOGW_IF(renderer != mRenderer,
+            "ignoring request to change renderer");
+}
+
+void NuPlayer::DecoderPassThrough::onGetInputBuffers(
+        Vector<sp<ABuffer> > * /* dstBuffers */) {
+    ALOGE("onGetInputBuffers() called unexpectedly");
 }
 
 bool NuPlayer::DecoderPassThrough::isStaleReply(const sp<AMessage> &msg) {
@@ -102,100 +103,301 @@
     return generation != mBufferGeneration;
 }
 
-bool NuPlayer::DecoderPassThrough::requestABuffer() {
-    if (mCachedBytes >= kMaxCachedBytes) {
-        ALOGV("[%s] mCachedBytes = %zu",
-                mComponentName.c_str(), mCachedBytes);
-        return false;
-    }
-    if (mReachedEOS) {
-        ALOGV("[%s] reached EOS", mComponentName.c_str());
-        return false;
-    }
+bool NuPlayer::DecoderPassThrough::isDoneFetching() const {
+    ALOGV("[%s] mCachedBytes = %zu, mReachedEOS = %d mPaused = %d",
+            mComponentName.c_str(), mCachedBytes, mReachedEOS, mPaused);
 
-    sp<AMessage> reply = new AMessage(kWhatInputBufferFilled, id());
-    reply->setInt32("generation", mBufferGeneration);
-
-    sp<AMessage> notify = mNotify->dup();
-    notify->setInt32("what", kWhatFillThisBuffer);
-    notify->setMessage("reply", reply);
-    notify->post();
-    mPendingBuffersToFill++;
-    ALOGV("requestABuffer: #ToFill = %zu, #ToDrain = %zu", mPendingBuffersToFill,
-            mPendingBuffersToDrain);
-
-    return true;
+    return mCachedBytes >= kMaxCachedBytes || mReachedEOS || mPaused;
 }
 
-void android::NuPlayer::DecoderPassThrough::onInputBufferFilled(
+void NuPlayer::DecoderPassThrough::doRequestBuffers() {
+    status_t err = OK;
+    while (!isDoneFetching()) {
+        sp<AMessage> msg = new AMessage();
+
+        err = fetchInputData(msg);
+        if (err != OK) {
+            break;
+        }
+
+        onInputBufferFetched(msg);
+    }
+
+    if (err == -EWOULDBLOCK
+            && mSource->feedMoreTSData() == OK) {
+        scheduleRequestBuffers();
+    }
+}
+
+status_t NuPlayer::DecoderPassThrough::dequeueAccessUnit(sp<ABuffer> *accessUnit) {
+    status_t err;
+
+    // Did we save an accessUnit earlier because of a discontinuity?
+    if (mPendingAudioAccessUnit != NULL) {
+        *accessUnit = mPendingAudioAccessUnit;
+        mPendingAudioAccessUnit.clear();
+        err = mPendingAudioErr;
+        ALOGV("feedDecoderInputData() use mPendingAudioAccessUnit");
+    } else {
+        err = mSource->dequeueAccessUnit(true /* audio */, accessUnit);
+    }
+
+    if (err == INFO_DISCONTINUITY || err == ERROR_END_OF_STREAM) {
+        if (mAggregateBuffer != NULL) {
+            // We already have some data so save this for later.
+            mPendingAudioErr = err;
+            mPendingAudioAccessUnit = *accessUnit;
+            (*accessUnit).clear();
+            ALOGD("return aggregated buffer and save err(=%d) for later", err);
+            err = OK;
+        }
+    }
+
+    return err;
+}
+
+sp<ABuffer> NuPlayer::DecoderPassThrough::aggregateBuffer(
+        const sp<ABuffer> &accessUnit) {
+    sp<ABuffer> aggregate;
+
+    if (accessUnit == NULL) {
+        // accessUnit is saved to mPendingAudioAccessUnit
+        // return current mAggregateBuffer
+        aggregate = mAggregateBuffer;
+        mAggregateBuffer.clear();
+        return aggregate;
+    }
+
+    size_t smallSize = accessUnit->size();
+    if ((mAggregateBuffer == NULL)
+            // Don't bother if only room for a few small buffers.
+            && (smallSize < (kAggregateBufferSizeBytes / 3))) {
+        // Create a larger buffer for combining smaller buffers from the extractor.
+        mAggregateBuffer = new ABuffer(kAggregateBufferSizeBytes);
+        mAggregateBuffer->setRange(0, 0); // start empty
+    }
+
+    if (mAggregateBuffer != NULL) {
+        int64_t timeUs;
+        int64_t dummy;
+        bool smallTimestampValid = accessUnit->meta()->findInt64("timeUs", &timeUs);
+        bool bigTimestampValid = mAggregateBuffer->meta()->findInt64("timeUs", &dummy);
+        // Will the smaller buffer fit?
+        size_t bigSize = mAggregateBuffer->size();
+        size_t roomLeft = mAggregateBuffer->capacity() - bigSize;
+        // Should we save this small buffer for the next big buffer?
+        // If the first small buffer did not have a timestamp then save
+        // any buffer that does have a timestamp until the next big buffer.
+        if ((smallSize > roomLeft)
+            || (!bigTimestampValid && (bigSize > 0) && smallTimestampValid)) {
+            mPendingAudioErr = OK;
+            mPendingAudioAccessUnit = accessUnit;
+            aggregate = mAggregateBuffer;
+            mAggregateBuffer.clear();
+        } else {
+            // Grab time from first small buffer if available.
+            if ((bigSize == 0) && smallTimestampValid) {
+                mAggregateBuffer->meta()->setInt64("timeUs", timeUs);
+            }
+            // Append small buffer to the bigger buffer.
+            memcpy(mAggregateBuffer->base() + bigSize, accessUnit->data(), smallSize);
+            bigSize += smallSize;
+            mAggregateBuffer->setRange(0, bigSize);
+
+            ALOGV("feedDecoderInputData() smallSize = %zu, bigSize = %zu, capacity = %zu",
+                    smallSize, bigSize, mAggregateBuffer->capacity());
+        }
+    } else {
+        // decided not to aggregate
+        aggregate = accessUnit;
+    }
+
+    return aggregate;
+}
+
+status_t NuPlayer::DecoderPassThrough::fetchInputData(sp<AMessage> &reply) {
+    sp<ABuffer> accessUnit;
+
+    do {
+        status_t err = dequeueAccessUnit(&accessUnit);
+
+        if (err == -EWOULDBLOCK) {
+            return err;
+        } else if (err != OK) {
+            if (err == INFO_DISCONTINUITY) {
+                int32_t type;
+                CHECK(accessUnit->meta()->findInt32("discontinuity", &type));
+
+                bool formatChange =
+                        (type & ATSParser::DISCONTINUITY_AUDIO_FORMAT) != 0;
+
+                bool timeChange =
+                        (type & ATSParser::DISCONTINUITY_TIME) != 0;
+
+                ALOGI("audio discontinuity (formatChange=%d, time=%d)",
+                        formatChange, timeChange);
+
+                if (formatChange || timeChange) {
+                    sp<AMessage> msg = mNotify->dup();
+                    msg->setInt32("what", kWhatInputDiscontinuity);
+                    // will perform seamless format change,
+                    // only notify NuPlayer to scan sources
+                    msg->setInt32("formatChange", false);
+                    msg->post();
+                }
+
+                if (timeChange) {
+                    onFlush(false /* notifyComplete */);
+                    err = OK;
+                } else if (formatChange) {
+                    // do seamless format change
+                    err = OK;
+                } else {
+                    // This stream is unaffected by the discontinuity
+                    return -EWOULDBLOCK;
+                }
+            }
+
+            reply->setInt32("err", err);
+            return OK;
+        }
+
+        accessUnit = aggregateBuffer(accessUnit);
+    } while (accessUnit == NULL);
+
+#if 0
+    int64_t mediaTimeUs;
+    CHECK(accessUnit->meta()->findInt64("timeUs", &mediaTimeUs));
+    ALOGV("feeding audio input buffer at media time %.2f secs",
+         mediaTimeUs / 1E6);
+#endif
+
+    reply->setBuffer("buffer", accessUnit);
+
+    return OK;
+}
+
+void NuPlayer::DecoderPassThrough::onInputBufferFetched(
         const sp<AMessage> &msg) {
-    --mPendingBuffersToFill;
     if (mReachedEOS) {
         return;
     }
 
     sp<ABuffer> buffer;
-    msg->findBuffer("buffer", &buffer);
+    bool hasBuffer = msg->findBuffer("buffer", &buffer);
     if (buffer == NULL) {
-        mReachedEOS = true;
+        int32_t streamErr = ERROR_END_OF_STREAM;
+        CHECK(msg->findInt32("err", &streamErr) || !hasBuffer);
+        if (streamErr == OK) {
+            return;
+        }
 
-        sp<AMessage> notify = mNotify->dup();
-        notify->setInt32("what", kWhatEOS);
-        notify->setInt32("err", ERROR_END_OF_STREAM);
-        notify->post();
+        mReachedEOS = true;
+        if (mRenderer != NULL) {
+            mRenderer->queueEOS(true /* audio */, ERROR_END_OF_STREAM);
+        }
         return;
     }
 
-    mCachedBytes += buffer->size();
+    sp<AMessage> extra;
+    if (buffer->meta()->findMessage("extra", &extra) && extra != NULL) {
+        int64_t resumeAtMediaTimeUs;
+        if (extra->findInt64(
+                    "resume-at-mediatimeUs", &resumeAtMediaTimeUs)) {
+            ALOGI("[%s] suppressing rendering until %lld us",
+                    mComponentName.c_str(), (long long)resumeAtMediaTimeUs);
+            mSkipRenderingUntilMediaTimeUs = resumeAtMediaTimeUs;
+        }
+    }
+
+    int32_t bufferSize = buffer->size();
+    mCachedBytes += bufferSize;
+
+    if (mSkipRenderingUntilMediaTimeUs >= 0) {
+        int64_t timeUs = 0;
+        CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
+
+        if (timeUs < mSkipRenderingUntilMediaTimeUs) {
+            ALOGV("[%s] dropping buffer at time %lld as requested.",
+                     mComponentName.c_str(), (long long)timeUs);
+
+            onBufferConsumed(bufferSize);
+            return;
+        }
+
+        mSkipRenderingUntilMediaTimeUs = -1;
+    }
+
+    if (mRenderer == NULL) {
+        onBufferConsumed(bufferSize);
+        return;
+    }
 
     sp<AMessage> reply = new AMessage(kWhatBufferConsumed, id());
     reply->setInt32("generation", mBufferGeneration);
-    reply->setInt32("size", buffer->size());
+    reply->setInt32("size", bufferSize);
 
-    sp<AMessage> notify = mNotify->dup();
-    notify->setInt32("what", kWhatDrainThisBuffer);
-    notify->setBuffer("buffer", buffer);
-    notify->setMessage("reply", reply);
-    notify->post();
+    mRenderer->queueBuffer(true /* audio */, buffer, reply);
+
     ++mPendingBuffersToDrain;
-    ALOGV("onInputBufferFilled: #ToFill = %zu, #ToDrain = %zu, cachedBytes = %zu",
-            mPendingBuffersToFill, mPendingBuffersToDrain, mCachedBytes);
+    ALOGV("onInputBufferFilled: #ToDrain = %zu, cachedBytes = %zu",
+            mPendingBuffersToDrain, mCachedBytes);
 }
 
 void NuPlayer::DecoderPassThrough::onBufferConsumed(int32_t size) {
     --mPendingBuffersToDrain;
     mCachedBytes -= size;
-    ALOGV("onBufferConsumed: #ToFill = %zu, #ToDrain = %zu, cachedBytes = %zu",
-           mPendingBuffersToFill, mPendingBuffersToDrain, mCachedBytes);
-    requestABuffer();
+    ALOGV("onBufferConsumed: #ToDrain = %zu, cachedBytes = %zu",
+            mPendingBuffersToDrain, mCachedBytes);
+    onRequestInputBuffers();
 }
 
-void NuPlayer::DecoderPassThrough::onFlush() {
-    ++mBufferGeneration;
+void NuPlayer::DecoderPassThrough::onResume(bool notifyComplete) {
+    mPaused = false;
 
-    sp<AMessage> notify = mNotify->dup();
-    notify->setInt32("what", kWhatFlushCompleted);
-    notify->post();
-    mPendingBuffersToFill = 0;
+    onRequestInputBuffers();
+
+    if (notifyComplete) {
+        sp<AMessage> notify = mNotify->dup();
+        notify->setInt32("what", kWhatResumeCompleted);
+        notify->post();
+    }
+}
+
+void NuPlayer::DecoderPassThrough::onFlush(bool notifyComplete) {
+    ++mBufferGeneration;
+    mSkipRenderingUntilMediaTimeUs = -1;
+    mPendingAudioAccessUnit.clear();
+    mPendingAudioErr = OK;
+    mAggregateBuffer.clear();
+
+    if (mRenderer != NULL) {
+        mRenderer->flush(true /* audio */, notifyComplete);
+        mRenderer->signalTimeDiscontinuity();
+    }
+
+    if (notifyComplete) {
+        mPaused = true;
+        sp<AMessage> notify = mNotify->dup();
+        notify->setInt32("what", kWhatFlushCompleted);
+        notify->post();
+    }
+
     mPendingBuffersToDrain = 0;
     mCachedBytes = 0;
     mReachedEOS = false;
 }
 
-void NuPlayer::DecoderPassThrough::requestMaxBuffers() {
-    for (size_t i = 0; i < kMaxPendingBuffers; i++) {
-        if (!requestABuffer()) {
-            break;
-        }
-    }
-}
-
-void NuPlayer::DecoderPassThrough::onShutdown() {
+void NuPlayer::DecoderPassThrough::onShutdown(bool notifyComplete) {
     ++mBufferGeneration;
+    mSkipRenderingUntilMediaTimeUs = -1;
 
-    sp<AMessage> notify = mNotify->dup();
-    notify->setInt32("what", kWhatShutdownCompleted);
-    notify->post();
+    if (notifyComplete) {
+        sp<AMessage> notify = mNotify->dup();
+        notify->setInt32("what", kWhatShutdownCompleted);
+        notify->post();
+    }
+
     mReachedEOS = true;
 }
 
@@ -204,31 +406,6 @@
             msg->debugString().c_str());
 
     switch (msg->what()) {
-        case kWhatConfigure:
-        {
-            sp<AMessage> format;
-            CHECK(msg->findMessage("format", &format));
-            onConfigure(format);
-            break;
-        }
-
-        case kWhatRequestABuffer:
-        {
-            if (!isStaleReply(msg)) {
-                requestABuffer();
-            }
-
-            break;
-        }
-
-        case kWhatInputBufferFilled:
-        {
-            if (!isStaleReply(msg)) {
-                onInputBufferFilled(msg);
-            }
-            break;
-        }
-
         case kWhatBufferConsumed:
         {
             if (!isStaleReply(msg)) {
@@ -239,26 +416,8 @@
             break;
         }
 
-        case kWhatFlush:
-        {
-            onFlush();
-            break;
-        }
-
-        case kWhatResume:
-        {
-            requestMaxBuffers();
-            break;
-        }
-
-        case kWhatShutdown:
-        {
-            onShutdown();
-            break;
-        }
-
         default:
-            TRESPASS();
+            DecoderBase::onMessageReceived(msg);
             break;
     }
 }
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerDecoderPassThrough.h b/media/libmediaplayerservice/nuplayer/NuPlayerDecoderPassThrough.h
index fb20257..a6e1faf 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerDecoderPassThrough.h
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerDecoderPassThrough.h
@@ -20,21 +20,18 @@
 
 #include "NuPlayer.h"
 
-#include "NuPlayerDecoder.h"
+#include "NuPlayerDecoderBase.h"
 
 namespace android {
 
-struct NuPlayer::DecoderPassThrough : public Decoder {
-    DecoderPassThrough(const sp<AMessage> &notify);
+struct NuPlayer::DecoderPassThrough : public DecoderBase {
+    DecoderPassThrough(const sp<AMessage> &notify,
+                       const sp<Source> &source,
+                       const sp<Renderer> &renderer);
 
-    virtual void configure(const sp<AMessage> &format);
-    virtual void init();
-
-    virtual void signalFlush();
-    virtual void signalResume();
-    virtual void initiateShutdown();
-
-    bool supportsSeamlessFormatChange(const sp<AMessage> &to) const;
+    virtual void getStats(
+            int64_t *mNumFramesTotal,
+            int64_t *mNumFramesDropped) const;
 
 protected:
 
@@ -42,41 +39,48 @@
 
     virtual void onMessageReceived(const sp<AMessage> &msg);
 
+    virtual void onConfigure(const sp<AMessage> &format);
+    virtual void onSetRenderer(const sp<Renderer> &renderer);
+    virtual void onGetInputBuffers(Vector<sp<ABuffer> > *dstBuffers);
+    virtual void onResume(bool notifyComplete);
+    virtual void onFlush(bool notifyComplete);
+    virtual void onShutdown(bool notifyComplete);
+    virtual void doRequestBuffers();
+
 private:
     enum {
-        kWhatRequestABuffer     = 'reqB',
-        kWhatConfigure          = 'conf',
-        kWhatInputBufferFilled  = 'inpF',
         kWhatBufferConsumed     = 'bufC',
-        kWhatFlush              = 'flus',
-        kWhatShutdown           = 'shuD',
     };
 
-    sp<AMessage> mNotify;
-    sp<ALooper> mDecoderLooper;
+    sp<Source> mSource;
+    sp<Renderer> mRenderer;
+    int64_t mSkipRenderingUntilMediaTimeUs;
+    bool mPaused;
 
-    /** Returns true if a buffer was requested.
-     * Returns false if at EOS or cache already full.
-     */
-    bool requestABuffer();
-    bool isStaleReply(const sp<AMessage> &msg);
-
-    void onConfigure(const sp<AMessage> &format);
-    void onFlush();
-    void onInputBufferFilled(const sp<AMessage> &msg);
-    void onBufferConsumed(int32_t size);
-    void requestMaxBuffers();
-    void onShutdown();
-
-    int32_t mBufferGeneration;
     bool    mReachedEOS;
-    // TODO mPendingBuffersToFill and mPendingBuffersToDrain are only for
-    // debugging. They can be removed when the power investigation is done.
-    size_t  mPendingBuffersToFill;
+
+    // Used by feedDecoderInputData to aggregate small buffers into
+    // one large buffer.
+    sp<ABuffer> mPendingAudioAccessUnit;
+    status_t    mPendingAudioErr;
+    sp<ABuffer> mAggregateBuffer;
+
+    // mPendingBuffersToDrain are only for debugging. It can be removed
+    // when the power investigation is done.
     size_t  mPendingBuffersToDrain;
     size_t  mCachedBytes;
     AString mComponentName;
 
+    bool isStaleReply(const sp<AMessage> &msg);
+    bool isDoneFetching() const;
+
+    status_t dequeueAccessUnit(sp<ABuffer> *accessUnit);
+    sp<ABuffer> aggregateBuffer(const sp<ABuffer> &accessUnit);
+    status_t fetchInputData(sp<AMessage> &reply);
+
+    void onInputBufferFetched(const sp<AMessage> &msg);
+    void onBufferConsumed(int32_t size);
+
     DISALLOW_EVIL_CONSTRUCTORS(DecoderPassThrough);
 };
 
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerDriver.cpp b/media/libmediaplayerservice/nuplayer/NuPlayerDriver.cpp
index ab46074..e7e1759 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerDriver.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerDriver.cpp
@@ -239,16 +239,24 @@
             // fall through
         }
 
+        case STATE_PAUSED:
+        case STATE_STOPPED_AND_PREPARED:
+        {
+            if (mAtEOS && mStartupSeekTimeUs < 0) {
+                mStartupSeekTimeUs = 0;
+                mPositionUs = -1;
+            }
+
+            // fall through
+        }
+
         case STATE_PREPARED:
         {
             mAtEOS = false;
             mPlayer->start();
 
             if (mStartupSeekTimeUs >= 0) {
-                if (mStartupSeekTimeUs > 0) {
-                    mPlayer->seekToAsync(mStartupSeekTimeUs);
-                }
-
+                mPlayer->seekToAsync(mStartupSeekTimeUs);
                 mStartupSeekTimeUs = -1;
             }
             break;
@@ -264,20 +272,6 @@
             break;
         }
 
-        case STATE_PAUSED:
-        case STATE_STOPPED_AND_PREPARED:
-        {
-            if (mAtEOS) {
-                mPlayer->seekToAsync(0);
-                mAtEOS = false;
-                mPlayer->resume();
-                mPositionUs = -1;
-            } else {
-                mPlayer->resume();
-            }
-            break;
-        }
-
         default:
             return INVALID_OPERATION;
     }
@@ -316,6 +310,13 @@
 }
 
 status_t NuPlayerDriver::pause() {
+    // The NuPlayerRenderer may get flushed if pause for long enough, e.g. the pause timeout tear
+    // down for audio offload mode. If that happens, the NuPlayerRenderer will no longer know the
+    // current position. So similar to seekTo, update |mPositionUs| to the pause position by calling
+    // getCurrentPosition here.
+    int msec;
+    getCurrentPosition(&msec);
+
     Mutex::Autolock autoLock(mLock);
 
     switch (mState) {
@@ -348,6 +349,7 @@
 
     switch (mState) {
         case STATE_PREPARED:
+        case STATE_STOPPED_AND_PREPARED:
         {
             mStartupSeekTimeUs = seekTimeUs;
             // pretend that the seek completed. It will actually happen when starting playback.
@@ -378,13 +380,22 @@
 
 status_t NuPlayerDriver::getCurrentPosition(int *msec) {
     int64_t tempUs = 0;
+    {
+        Mutex::Autolock autoLock(mLock);
+        if (mSeekInProgress || mState == STATE_PAUSED) {
+            tempUs = (mPositionUs <= 0) ? 0 : mPositionUs;
+            *msec = (int)divRound(tempUs, (int64_t)(1000));
+            return OK;
+        }
+    }
+
     status_t ret = mPlayer->getCurrentPosition(&tempUs);
 
     Mutex::Autolock autoLock(mLock);
     // We need to check mSeekInProgress here because mPlayer->seekToAsync is an async call, which
     // means getCurrentPosition can be called before seek is completed. Iow, renderer may return a
     // position value that's different the seek to position.
-    if (ret != OK || mSeekInProgress) {
+    if (ret != OK) {
         tempUs = (mPositionUs <= 0) ? 0 : mPositionUs;
     } else {
         mPositionUs = tempUs;
@@ -485,13 +496,16 @@
         case INVOKE_ID_SELECT_TRACK:
         {
             int trackIndex = request.readInt32();
-            return mPlayer->selectTrack(trackIndex, true /* select */);
+            int msec = 0;
+            // getCurrentPosition should always return OK
+            getCurrentPosition(&msec);
+            return mPlayer->selectTrack(trackIndex, true /* select */, msec * 1000ll);
         }
 
         case INVOKE_ID_UNSELECT_TRACK:
         {
             int trackIndex = request.readInt32();
-            return mPlayer->selectTrack(trackIndex, false /* select */);
+            return mPlayer->selectTrack(trackIndex, false /* select */, 0xdeadbeef /* not used */);
         }
 
         case INVOKE_ID_GET_SELECTED_TRACK:
@@ -630,9 +644,24 @@
         case MEDIA_PLAYBACK_COMPLETE:
         {
             if (mState != STATE_RESET_IN_PROGRESS) {
+                if (mAutoLoop) {
+                    audio_stream_type_t streamType = AUDIO_STREAM_MUSIC;
+                    if (mAudioSink != NULL) {
+                        streamType = mAudioSink->getAudioStreamType();
+                    }
+                    if (streamType == AUDIO_STREAM_NOTIFICATION) {
+                        ALOGW("disabling auto-loop for notification");
+                        mAutoLoop = false;
+                    }
+                }
                 if (mLooping || (mAutoLoop
                         && (mAudioSink == NULL || mAudioSink->realtime()))) {
                     mPlayer->seekToAsync(0);
+                    if (mAudioSink != NULL) {
+                        // The renderer has stopped the sink at the end in order to play out
+                        // the last little bit of audio. If we're looping, we need to restart it.
+                        mAudioSink->start();
+                    }
                     break;
                 }
 
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.cpp b/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.cpp
index 638d9bc..57fcfe5 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.cpp
@@ -20,8 +20,6 @@
 
 #include "NuPlayerRenderer.h"
 
-#include <cutils/properties.h>
-
 #include <media/stagefright/foundation/ABuffer.h>
 #include <media/stagefright/foundation/ADebug.h>
 #include <media/stagefright/foundation/AMessage.h>
@@ -38,21 +36,20 @@
 
 // Maximum time in paused state when offloading audio decompression. When elapsed, the AudioSink
 // is closed to allow the audio DSP to power down.
-static const int64_t kOffloadPauseMaxUs = 60000000ll;
+static const int64_t kOffloadPauseMaxUs = 10000000ll;
+
+// static
+const NuPlayer::Renderer::PcmInfo NuPlayer::Renderer::AUDIO_PCMINFO_INITIALIZER = {
+        AUDIO_CHANNEL_NONE,
+        AUDIO_OUTPUT_FLAG_NONE,
+        AUDIO_FORMAT_INVALID,
+        0, // mNumChannels
+        0 // mSampleRate
+};
 
 // static
 const int64_t NuPlayer::Renderer::kMinPositionUpdateDelayUs = 100000ll;
 
-static bool sFrameAccurateAVsync = false;
-
-static void readProperties() {
-    char value[PROPERTY_VALUE_MAX];
-    if (property_get("persist.sys.media.avsync", value, NULL)) {
-        sFrameAccurateAVsync =
-            !strcmp("1", value) || !strcasecmp("true", value);
-    }
-}
-
 NuPlayer::Renderer::Renderer(
         const sp<MediaPlayerBase::AudioSink> &sink,
         const sp<AMessage> &notify,
@@ -68,14 +65,19 @@
       mAudioFirstAnchorTimeMediaUs(-1),
       mAnchorTimeMediaUs(-1),
       mAnchorTimeRealUs(-1),
+      mAnchorNumFramesWritten(-1),
+      mAnchorMaxMediaUs(-1),
       mVideoLateByUs(0ll),
       mHasAudio(false),
       mHasVideo(false),
       mPauseStartedTimeRealUs(-1),
       mFlushingAudio(false),
       mFlushingVideo(false),
+      mNotifyCompleteAudio(false),
+      mNotifyCompleteVideo(false),
       mSyncQueues(false),
       mPaused(false),
+      mPausePositionMediaTimeUs(0),
       mVideoSampleReceived(false),
       mVideoRenderingStarted(false),
       mVideoRenderingStartGeneration(0),
@@ -83,9 +85,9 @@
       mAudioOffloadPauseTimeoutGeneration(0),
       mAudioOffloadTornDown(false),
       mCurrentOffloadInfo(AUDIO_INFO_INITIALIZER),
+      mCurrentPcmInfo(AUDIO_PCMINFO_INITIALIZER),
       mTotalBuffersQueued(0),
       mLastAudioBufferDrained(0) {
-    readProperties();
 }
 
 NuPlayer::Renderer::~Renderer() {
@@ -116,15 +118,17 @@
     msg->post();
 }
 
-void NuPlayer::Renderer::flush(bool audio) {
+void NuPlayer::Renderer::flush(bool audio, bool notifyComplete) {
     {
         Mutex::Autolock autoLock(mFlushLock);
         if (audio) {
+            mNotifyCompleteAudio |= notifyComplete;
             if (mFlushingAudio) {
                 return;
             }
             mFlushingAudio = true;
         } else {
+            mNotifyCompleteVideo |= notifyComplete;
             if (mFlushingVideo) {
                 return;
             }
@@ -155,6 +159,10 @@
     (new AMessage(kWhatDisableOffloadAudio, id()))->post();
 }
 
+void NuPlayer::Renderer::signalEnableOffloadAudio() {
+    (new AMessage(kWhatEnableOffloadAudio, id()))->post();
+}
+
 void NuPlayer::Renderer::pause() {
     (new AMessage(kWhatPause, id()))->post();
 }
@@ -169,11 +177,49 @@
     msg->post();
 }
 
+// Called on any threads, except renderer's thread.
 status_t NuPlayer::Renderer::getCurrentPosition(int64_t *mediaUs) {
-    return getCurrentPosition(mediaUs, ALooper::GetNowUs());
+    {
+        Mutex::Autolock autoLock(mLock);
+        int64_t currentPositionUs;
+        if (getCurrentPositionIfPaused_l(&currentPositionUs)) {
+            *mediaUs = currentPositionUs;
+            return OK;
+        }
+    }
+    return getCurrentPositionFromAnchor(mediaUs, ALooper::GetNowUs());
 }
 
-status_t NuPlayer::Renderer::getCurrentPosition(int64_t *mediaUs, int64_t nowUs) {
+// Called on only renderer's thread.
+status_t NuPlayer::Renderer::getCurrentPositionOnLooper(int64_t *mediaUs) {
+    return getCurrentPositionOnLooper(mediaUs, ALooper::GetNowUs());
+}
+
+// Called on only renderer's thread.
+// Since mPaused and mPausePositionMediaTimeUs are changed only on renderer's
+// thread, no need to acquire mLock.
+status_t NuPlayer::Renderer::getCurrentPositionOnLooper(
+        int64_t *mediaUs, int64_t nowUs, bool allowPastQueuedVideo) {
+    int64_t currentPositionUs;
+    if (getCurrentPositionIfPaused_l(&currentPositionUs)) {
+        *mediaUs = currentPositionUs;
+        return OK;
+    }
+    return getCurrentPositionFromAnchor(mediaUs, nowUs, allowPastQueuedVideo);
+}
+
+// Called either with mLock acquired or on renderer's thread.
+bool NuPlayer::Renderer::getCurrentPositionIfPaused_l(int64_t *mediaUs) {
+    if (!mPaused) {
+        return false;
+    }
+    *mediaUs = mPausePositionMediaTimeUs;
+    return true;
+}
+
+// Called on any threads.
+status_t NuPlayer::Renderer::getCurrentPositionFromAnchor(
+        int64_t *mediaUs, int64_t nowUs, bool allowPastQueuedVideo) {
     Mutex::Autolock autoLock(mTimeLock);
     if (!mHasAudio && !mHasVideo) {
         return NO_INIT;
@@ -182,12 +228,21 @@
     if (mAnchorTimeMediaUs < 0) {
         return NO_INIT;
     }
+
     int64_t positionUs = (nowUs - mAnchorTimeRealUs) + mAnchorTimeMediaUs;
 
     if (mPauseStartedTimeRealUs != -1) {
         positionUs -= (nowUs - mPauseStartedTimeRealUs);
     }
 
+    // limit position to the last queued media time (for video only stream
+    // position will be discrete as we don't know how long each frame lasts)
+    if (mAnchorMaxMediaUs >= 0 && !allowPastQueuedVideo) {
+        if (positionUs > mAnchorMaxMediaUs) {
+            positionUs = mAnchorMaxMediaUs;
+        }
+    }
+
     if (positionUs < mAudioFirstAnchorTimeMediaUs) {
         positionUs = mAudioFirstAnchorTimeMediaUs;
     }
@@ -217,10 +272,12 @@
     }
 }
 
-void NuPlayer::Renderer::setAnchorTime(int64_t mediaUs, int64_t realUs, bool resume) {
+void NuPlayer::Renderer::setAnchorTime(
+        int64_t mediaUs, int64_t realUs, int64_t numFramesWritten, bool resume) {
     Mutex::Autolock autoLock(mTimeLock);
     mAnchorTimeMediaUs = mediaUs;
     mAnchorTimeRealUs = realUs;
+    mAnchorNumFramesWritten = numFramesWritten;
     if (resume) {
         mPauseStartedTimeRealUs = -1;
     }
@@ -241,11 +298,12 @@
     mPauseStartedTimeRealUs = realUs;
 }
 
-bool NuPlayer::Renderer::openAudioSink(
+status_t NuPlayer::Renderer::openAudioSink(
         const sp<AMessage> &format,
         bool offloadOnly,
         bool hasVideo,
-        uint32_t flags) {
+        uint32_t flags,
+        bool *isOffloaded) {
     sp<AMessage> msg = new AMessage(kWhatOpenAudioSink, id());
     msg->setMessage("format", format);
     msg->setInt32("offload-only", offloadOnly);
@@ -255,9 +313,15 @@
     sp<AMessage> response;
     msg->postAndAwaitResponse(&response);
 
-    int32_t offload;
-    CHECK(response->findInt32("offload", &offload));
-    return (offload != 0);
+    int32_t err;
+    if (!response->findInt32("err", &err)) {
+        err = INVALID_OPERATION;
+    } else if (err == OK && isOffloaded != NULL) {
+        int32_t offload;
+        CHECK(response->findInt32("offload", &offload));
+        *isOffloaded = (offload != 0);
+    }
+    return err;
 }
 
 void NuPlayer::Renderer::closeAudioSink() {
@@ -283,10 +347,11 @@
             uint32_t flags;
             CHECK(msg->findInt32("flags", (int32_t *)&flags));
 
-            bool offload = onOpenAudioSink(format, offloadOnly, hasVideo, flags);
+            status_t err = onOpenAudioSink(format, offloadOnly, hasVideo, flags);
 
             sp<AMessage> response = new AMessage;
-            response->setInt32("offload", offload);
+            response->setInt32("err", err);
+            response->setInt32("offload", offloadingAudio());
 
             uint32_t replyID;
             CHECK(msg->senderAwaitsResponse(&replyID));
@@ -406,6 +471,12 @@
             break;
         }
 
+        case kWhatEnableOffloadAudio:
+        {
+            onEnableOffloadAudio();
+            break;
+        }
+
         case kWhatPause:
         {
             onPause();
@@ -541,7 +612,7 @@
             int64_t mediaTimeUs;
             CHECK(entry->mBuffer->meta()->findInt64("timeUs", &mediaTimeUs));
             ALOGV("rendering audio at media time %.2f secs", mediaTimeUs / 1E6);
-            onNewAudioMediaTime(mediaTimeUs);
+            setAudioFirstAnchorTimeIfNeeded(mediaTimeUs);
         }
 
         size_t copy = entry->mBuffer->size() - entry->mOffset;
@@ -564,6 +635,14 @@
         notifyIfMediaRenderingStarted();
     }
 
+    if (mAudioFirstAnchorTimeMediaUs >= 0) {
+        int64_t nowUs = ALooper::GetNowUs();
+        setAnchorTime(mAudioFirstAnchorTimeMediaUs, nowUs - getPlayedOutAudioDurationUs(nowUs));
+    }
+
+    // we don't know how much data we are queueing for offloaded tracks
+    mAnchorMaxMediaUs = -1;
+
     if (hasEOS) {
         (new AMessage(kWhatStopAudioSink, id()))->post();
     }
@@ -607,6 +686,13 @@
 
             mAudioQueue.erase(mAudioQueue.begin());
             entry = NULL;
+            if (mAudioSink->needsTrailingPadding()) {
+                // If we're not in gapless playback (i.e. through setNextPlayer), we
+                // need to stop the track here, because that will play out the last
+                // little bit at the end of the file. Otherwise short files won't play.
+                mAudioSink->stop();
+                mNumFramesWritten = 0;
+            }
             return false;
         }
 
@@ -624,8 +710,9 @@
 
         ssize_t written = mAudioSink->write(entry->mBuffer->data() + entry->mOffset, copy);
         if (written < 0) {
-            // An error in AudioSink write is fatal here.
-            LOG_ALWAYS_FATAL("AudioSink write error(%zd) when writing %zu bytes", written, copy);
+            // An error in AudioSink write. Perhaps the AudioSink was not properly opened.
+            ALOGE("AudioSink write error(%zd) when writing %zu bytes", written, copy);
+            break;
         }
 
         entry->mOffset += written;
@@ -663,6 +750,11 @@
             break;
         }
     }
+    mAnchorMaxMediaUs =
+        mAnchorTimeMediaUs +
+                (int64_t)(max((long long)mNumFramesWritten - mAnchorNumFramesWritten, 0LL)
+                        * 1000LL * mAudioSink->msecsPerFrame());
+
     return !mAudioQueue.empty();
 }
 
@@ -674,7 +766,8 @@
 
 int64_t NuPlayer::Renderer::getRealTimeUs(int64_t mediaTimeUs, int64_t nowUs) {
     int64_t currentPositionUs;
-    if (getCurrentPosition(&currentPositionUs, nowUs) != OK) {
+    if (getCurrentPositionOnLooper(
+            &currentPositionUs, nowUs, true /* allowPastQueuedVideo */) != OK) {
         // If failed to get current position, e.g. due to audio clock is not ready, then just
         // play out video immediately without delay.
         return nowUs;
@@ -690,7 +783,8 @@
     }
     setAudioFirstAnchorTimeIfNeeded(mediaTimeUs);
     int64_t nowUs = ALooper::GetNowUs();
-    setAnchorTime(mediaTimeUs, nowUs + getPendingAudioPlayoutDurationUs(nowUs));
+    setAnchorTime(
+            mediaTimeUs, nowUs + getPendingAudioPlayoutDurationUs(nowUs), mNumFramesWritten);
 }
 
 void NuPlayer::Renderer::postDrainVideoQueue() {
@@ -729,10 +823,14 @@
 
         if (mAnchorTimeMediaUs < 0) {
             setAnchorTime(mediaTimeUs, nowUs);
+            mAnchorMaxMediaUs = mediaTimeUs;
             realTimeUs = nowUs;
         } else {
             realTimeUs = getRealTimeUs(mediaTimeUs, nowUs);
         }
+        if (!mHasAudio) {
+            mAnchorMaxMediaUs = mediaTimeUs + 100000; // smooth out videos >= 10fps
+        }
 
         // Heuristics to handle situation when media time changed without a
         // discontinuity. If we have not drained an audio buffer that was
@@ -761,11 +859,6 @@
 
     ALOGW_IF(delayUs > 500000, "unusually high delayUs: %" PRId64, delayUs);
     // post 2 display refreshes before rendering is due
-    // FIXME currently this increases power consumption, so unless frame-accurate
-    // AV sync is requested, post closer to required render time (at 0.63 vsyncs)
-    if (!sFrameAccurateAVsync) {
-        twoVsyncsUs >>= 4;
-    }
     msg->post(delayUs > twoVsyncsUs ? delayUs - twoVsyncsUs : 0);
 
     mDrainVideoQueuePending = true;
@@ -988,15 +1081,19 @@
 }
 
 void NuPlayer::Renderer::onFlush(const sp<AMessage> &msg) {
-    int32_t audio;
+    int32_t audio, notifyComplete;
     CHECK(msg->findInt32("audio", &audio));
 
     {
         Mutex::Autolock autoLock(mFlushLock);
         if (audio) {
             mFlushingAudio = false;
+            notifyComplete = mNotifyCompleteAudio;
+            mNotifyCompleteAudio = false;
         } else {
             mFlushingVideo = false;
+            notifyComplete = mNotifyCompleteVideo;
+            mNotifyCompleteVideo = false;
         }
     }
 
@@ -1012,6 +1109,7 @@
          Mutex::Autolock autoLock(mLock);
          syncQueuesDone_l();
          setPauseStartedTimeRealUs(-1);
+         setAnchorTime(-1, -1);
     }
 
     ALOGV("flushing %s", audio ? "audio" : "video");
@@ -1049,7 +1147,10 @@
     }
 
     mVideoSampleReceived = false;
-    notifyFlushComplete(audio);
+
+    if (notifyComplete) {
+        notifyFlushComplete(audio);
+    }
 }
 
 void NuPlayer::Renderer::flushQueue(List<QueueEntry> *queue) {
@@ -1103,6 +1204,7 @@
     }
     CHECK(!mDrainAudioQueuePending);
     mNumFramesWritten = 0;
+    mAnchorNumFramesWritten = -1;
     uint32_t written;
     if (mAudioSink->getFramesWritten(&written) == OK) {
         mNumFramesWritten = written;
@@ -1115,11 +1217,22 @@
     ++mAudioQueueGeneration;
 }
 
+void NuPlayer::Renderer::onEnableOffloadAudio() {
+    Mutex::Autolock autoLock(mLock);
+    mFlags |= FLAG_OFFLOAD_AUDIO;
+    ++mAudioQueueGeneration;
+}
+
 void NuPlayer::Renderer::onPause() {
     if (mPaused) {
         ALOGW("Renderer::onPause() called while already paused!");
         return;
     }
+    int64_t currentPositionUs;
+    if (getCurrentPositionFromAnchor(
+            &currentPositionUs, ALooper::GetNowUs()) == OK) {
+        mPausePositionMediaTimeUs = currentPositionUs;
+    }
     {
         Mutex::Autolock autoLock(mLock);
         ++mAudioQueueGeneration;
@@ -1142,8 +1255,6 @@
 }
 
 void NuPlayer::Renderer::onResume() {
-    readProperties();
-
     if (!mPaused) {
         return;
     }
@@ -1158,7 +1269,8 @@
     if (mPauseStartedTimeRealUs != -1) {
         int64_t newAnchorRealUs =
             mAnchorTimeRealUs + ALooper::GetNowUs() - mPauseStartedTimeRealUs;
-        setAnchorTime(mAnchorTimeMediaUs, newAnchorRealUs, true /* resume */);
+        setAnchorTime(
+                mAnchorTimeMediaUs, newAnchorRealUs, mAnchorNumFramesWritten, true /* resume */);
     }
 
     if (!mAudioQueue.empty()) {
@@ -1248,7 +1360,7 @@
     mAudioOffloadTornDown = true;
 
     int64_t currentPositionUs;
-    if (getCurrentPosition(&currentPositionUs) != OK) {
+    if (getCurrentPositionOnLooper(&currentPositionUs) != OK) {
         currentPositionUs = 0;
     }
 
@@ -1276,7 +1388,7 @@
     }
 }
 
-bool NuPlayer::Renderer::onOpenAudioSink(
+status_t NuPlayer::Renderer::onOpenAudioSink(
         const sp<AMessage> &format,
         bool offloadOnly,
         bool hasVideo,
@@ -1338,11 +1450,14 @@
             if (memcmp(&mCurrentOffloadInfo, &offloadInfo, sizeof(offloadInfo)) == 0) {
                 ALOGV("openAudioSink: no change in offload mode");
                 // no change from previous configuration, everything ok.
-                return offloadingAudio();
+                return OK;
             }
+            mCurrentPcmInfo = AUDIO_PCMINFO_INITIALIZER;
+
             ALOGV("openAudioSink: try to open AudioSink in offload mode");
-            flags |= AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD;
-            flags &= ~AUDIO_OUTPUT_FLAG_DEEP_BUFFER;
+            uint32_t offloadFlags = flags;
+            offloadFlags |= AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD;
+            offloadFlags &= ~AUDIO_OUTPUT_FLAG_DEEP_BUFFER;
             audioSinkChanged = true;
             mAudioSink->close();
             err = mAudioSink->open(
@@ -1353,7 +1468,7 @@
                     8 /* bufferCount */,
                     &NuPlayer::Renderer::AudioSinkCallback,
                     this,
-                    (audio_output_flags_t)flags,
+                    (audio_output_flags_t)offloadFlags,
                     &offloadInfo);
 
             if (err == OK) {
@@ -1377,13 +1492,27 @@
         }
     }
     if (!offloadOnly && !offloadingAudio()) {
-        flags &= ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD;
         ALOGV("openAudioSink: open AudioSink in NON-offload mode");
+        uint32_t pcmFlags = flags;
+        pcmFlags &= ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD;
+
+        const PcmInfo info = {
+                (audio_channel_mask_t)channelMask,
+                (audio_output_flags_t)pcmFlags,
+                AUDIO_FORMAT_PCM_16_BIT, // TODO: change to audioFormat
+                numChannels,
+                sampleRate
+        };
+        if (memcmp(&mCurrentPcmInfo, &info, sizeof(info)) == 0) {
+            ALOGV("openAudioSink: no change in pcm mode");
+            // no change from previous configuration, everything ok.
+            return OK;
+        }
 
         audioSinkChanged = true;
         mAudioSink->close();
         mCurrentOffloadInfo = AUDIO_INFO_INITIALIZER;
-        CHECK_EQ(mAudioSink->open(
+        status_t err = mAudioSink->open(
                     sampleRate,
                     numChannels,
                     (audio_channel_mask_t)channelMask,
@@ -1391,20 +1520,28 @@
                     8 /* bufferCount */,
                     NULL,
                     NULL,
-                    (audio_output_flags_t)flags),
-                 (status_t)OK);
+                    (audio_output_flags_t)pcmFlags);
+        if (err != OK) {
+            ALOGW("openAudioSink: non offloaded open failed status: %d", err);
+            mCurrentPcmInfo = AUDIO_PCMINFO_INITIALIZER;
+            return err;
+        }
+        mCurrentPcmInfo = info;
         mAudioSink->start();
     }
     if (audioSinkChanged) {
         onAudioSinkChanged();
     }
-
-    return offloadingAudio();
+    if (offloadingAudio()) {
+        mAudioOffloadTornDown = false;
+    }
+    return OK;
 }
 
 void NuPlayer::Renderer::onCloseAudioSink() {
     mAudioSink->close();
     mCurrentOffloadInfo = AUDIO_INFO_INITIALIZER;
+    mCurrentPcmInfo = AUDIO_PCMINFO_INITIALIZER;
 }
 
 }  // namespace android
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.h b/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.h
index b15a266..23907c8 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.h
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.h
@@ -46,13 +46,14 @@
 
     void queueEOS(bool audio, status_t finalResult);
 
-    void flush(bool audio);
+    void flush(bool audio, bool notifyComplete);
 
     void signalTimeDiscontinuity();
 
     void signalAudioSinkChanged();
 
     void signalDisableOffloadAudio();
+    void signalEnableOffloadAudio();
 
     void pause();
     void resume();
@@ -61,20 +62,21 @@
 
     // Following setters and getters are protected by mTimeLock.
     status_t getCurrentPosition(int64_t *mediaUs);
-    status_t getCurrentPosition(int64_t *mediaUs, int64_t nowUs);
     void setHasMedia(bool audio);
     void setAudioFirstAnchorTime(int64_t mediaUs);
     void setAudioFirstAnchorTimeIfNeeded(int64_t mediaUs);
-    void setAnchorTime(int64_t mediaUs, int64_t realUs, bool resume = false);
+    void setAnchorTime(
+            int64_t mediaUs, int64_t realUs, int64_t numFramesWritten = -1, bool resume = false);
     void setVideoLateByUs(int64_t lateUs);
     int64_t getVideoLateByUs();
     void setPauseStartedTimeRealUs(int64_t realUs);
 
-    bool openAudioSink(
+    status_t openAudioSink(
             const sp<AMessage> &format,
             bool offloadOnly,
             bool hasVideo,
-            uint32_t flags);
+            uint32_t flags,
+            bool *isOffloaded);
     void closeAudioSink();
 
     enum {
@@ -112,6 +114,7 @@
         kWhatCloseAudioSink      = 'clsA',
         kWhatStopAudioSink       = 'stpA',
         kWhatDisableOffloadAudio = 'noOA',
+        kWhatEnableOffloadAudio  = 'enOA',
         kWhatSetVideoFrameRate   = 'sVFR',
     };
 
@@ -148,6 +151,8 @@
     int64_t mAudioFirstAnchorTimeMediaUs;
     int64_t mAnchorTimeMediaUs;
     int64_t mAnchorTimeRealUs;
+    int64_t mAnchorNumFramesWritten;
+    int64_t mAnchorMaxMediaUs;
     int64_t mVideoLateByUs;
     bool mHasAudio;
     bool mHasVideo;
@@ -156,10 +161,15 @@
     Mutex mFlushLock;  // protects the following 2 member vars.
     bool mFlushingAudio;
     bool mFlushingVideo;
+    bool mNotifyCompleteAudio;
+    bool mNotifyCompleteVideo;
 
     bool mSyncQueues;
 
+    // modified on only renderer's thread.
     bool mPaused;
+    int64_t mPausePositionMediaTimeUs;
+
     bool mVideoSampleReceived;
     bool mVideoRenderingStarted;
     int32_t mVideoRenderingStartGeneration;
@@ -171,9 +181,26 @@
     bool mAudioOffloadTornDown;
     audio_offload_info_t mCurrentOffloadInfo;
 
+    struct PcmInfo {
+        audio_channel_mask_t mChannelMask;
+        audio_output_flags_t mFlags;
+        audio_format_t mFormat;
+        int32_t mNumChannels;
+        int32_t mSampleRate;
+    };
+    PcmInfo mCurrentPcmInfo;
+    static const PcmInfo AUDIO_PCMINFO_INITIALIZER;
+
     int32_t mTotalBuffersQueued;
     int32_t mLastAudioBufferDrained;
 
+    status_t getCurrentPositionOnLooper(int64_t *mediaUs);
+    status_t getCurrentPositionOnLooper(
+            int64_t *mediaUs, int64_t nowUs, bool allowPastQueuedVideo = false);
+    bool getCurrentPositionIfPaused_l(int64_t *mediaUs);
+    status_t getCurrentPositionFromAnchor(
+            int64_t *mediaUs, int64_t nowUs, bool allowPastQueuedVideo = false);
+
     size_t fillAudioBuffer(void *buffer, size_t size);
 
     bool onDrainAudioQueue();
@@ -195,11 +222,12 @@
     void onFlush(const sp<AMessage> &msg);
     void onAudioSinkChanged();
     void onDisableOffloadAudio();
+    void onEnableOffloadAudio();
     void onPause();
     void onResume();
     void onSetVideoFrameRate(float fps);
     void onAudioOffloadTearDown(AudioOffloadTearDownReason reason);
-    bool onOpenAudioSink(
+    status_t onOpenAudioSink(
             const sp<AMessage> &format,
             bool offloadOnly,
             bool hasVideo,
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerSource.h b/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
index 9924f18..e92cd36 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
@@ -96,7 +96,7 @@
         return INVALID_OPERATION;
     }
 
-    virtual status_t selectTrack(size_t /* trackIndex */, bool /* select */) {
+    virtual status_t selectTrack(size_t /* trackIndex */, bool /* select */, int64_t /* timeUs*/) {
         return INVALID_OPERATION;
     }
 
diff --git a/media/libmediaplayerservice/nuplayer/RTSPSource.cpp b/media/libmediaplayerservice/nuplayer/RTSPSource.cpp
index ffacb8f..0282a9f 100644
--- a/media/libmediaplayerservice/nuplayer/RTSPSource.cpp
+++ b/media/libmediaplayerservice/nuplayer/RTSPSource.cpp
@@ -50,7 +50,7 @@
       mState(DISCONNECTED),
       mFinalResult(OK),
       mDisconnectReplyID(0),
-      mBuffering(true),
+      mBuffering(false),
       mSeekGeneration(0),
       mEOSTimeoutAudio(0),
       mEOSTimeoutVideo(0) {
@@ -106,9 +106,7 @@
         mHandler->connect();
     }
 
-    sp<AMessage> notifyStart = dupNotify();
-    notifyStart->setInt32("what", kWhatBufferingStart);
-    notifyStart->post();
+    startBufferingIfNecessary();
 }
 
 void NuPlayer::RTSPSource::start() {
@@ -144,6 +142,7 @@
 }
 
 status_t NuPlayer::RTSPSource::feedMoreTSData() {
+    Mutex::Autolock _l(mBufferingLock);
     return mFinalResult;
 }
 
@@ -195,16 +194,8 @@
 
 status_t NuPlayer::RTSPSource::dequeueAccessUnit(
         bool audio, sp<ABuffer> *accessUnit) {
-    if (mBuffering) {
-        if (!haveSufficientDataOnAllTracks()) {
-            return -EWOULDBLOCK;
-        }
-
-        mBuffering = false;
-
-        sp<AMessage> notify = dupNotify();
-        notify->setInt32("what", kWhatBufferingEnd);
-        notify->post();
+    if (!stopBufferingIfNecessary()) {
+        return -EWOULDBLOCK;
     }
 
     sp<AnotherPacketSource> source = getSource(audio);
@@ -246,11 +237,7 @@
             if (!(otherSource != NULL && otherSource->isFinished(mediaDurationUs))) {
                 // We should not enter buffering mode
                 // if any of the sources already have detected EOS.
-                mBuffering = true;
-
-                sp<AMessage> notify = dupNotify();
-                notify->setInt32("what", kWhatBufferingStart);
-                notify->post();
+                startBufferingIfNecessary();
             }
 
             return -EWOULDBLOCK;
@@ -506,7 +493,7 @@
             sp<AnotherPacketSource> source = info->mSource;
             if (source != NULL) {
                 source->queueDiscontinuity(
-                        ATSParser::DISCONTINUITY_SEEK,
+                        ATSParser::DISCONTINUITY_TIME,
                         NULL,
                         true /* discard */);
             }
@@ -630,7 +617,7 @@
         }
 
         mState = DISCONNECTED;
-        mFinalResult = err;
+        setError(err);
 
         if (mDisconnectReplyID != 0) {
             finishDisconnectIfPossible();
@@ -657,7 +644,7 @@
     }
 
     mState = DISCONNECTED;
-    mFinalResult = err;
+    setError(err);
 
     if (mDisconnectReplyID != 0) {
         finishDisconnectIfPossible();
@@ -678,4 +665,40 @@
     mDisconnectReplyID = 0;
 }
 
+void NuPlayer::RTSPSource::setError(status_t err) {
+    Mutex::Autolock _l(mBufferingLock);
+    mFinalResult = err;
+}
+
+void NuPlayer::RTSPSource::startBufferingIfNecessary() {
+    Mutex::Autolock _l(mBufferingLock);
+
+    if (!mBuffering) {
+        mBuffering = true;
+
+        sp<AMessage> notify = dupNotify();
+        notify->setInt32("what", kWhatBufferingStart);
+        notify->post();
+    }
+}
+
+bool NuPlayer::RTSPSource::stopBufferingIfNecessary() {
+    Mutex::Autolock _l(mBufferingLock);
+
+    if (mBuffering) {
+        if (!haveSufficientDataOnAllTracks()) {
+            return false;
+        }
+
+        mBuffering = false;
+
+        sp<AMessage> notify = dupNotify();
+        notify->setInt32("what", kWhatBufferingEnd);
+        notify->post();
+    }
+
+    return true;
+}
+
+
 }  // namespace android
diff --git a/media/libmediaplayerservice/nuplayer/RTSPSource.h b/media/libmediaplayerservice/nuplayer/RTSPSource.h
index f1cae53..ac3299a 100644
--- a/media/libmediaplayerservice/nuplayer/RTSPSource.h
+++ b/media/libmediaplayerservice/nuplayer/RTSPSource.h
@@ -97,6 +97,7 @@
     State mState;
     status_t mFinalResult;
     uint32_t mDisconnectReplyID;
+    Mutex mBufferingLock;
     bool mBuffering;
 
     sp<ALooper> mLooper;
@@ -126,6 +127,9 @@
     bool haveSufficientDataOnAllTracks();
 
     void setEOSTimeout(bool audio, int64_t timeout);
+    void setError(status_t err);
+    void startBufferingIfNecessary();
+    bool stopBufferingIfNecessary();
 
     DISALLOW_EVIL_CONSTRUCTORS(RTSPSource);
 };
diff --git a/media/libmediaplayerservice/nuplayer/StreamingSource.cpp b/media/libmediaplayerservice/nuplayer/StreamingSource.cpp
index 2e9a29a..b3f224d 100644
--- a/media/libmediaplayerservice/nuplayer/StreamingSource.cpp
+++ b/media/libmediaplayerservice/nuplayer/StreamingSource.cpp
@@ -37,13 +37,26 @@
         const sp<IStreamSource> &source)
     : Source(notify),
       mSource(source),
-      mFinalResult(OK) {
+      mFinalResult(OK),
+      mBuffering(false) {
 }
 
 NuPlayer::StreamingSource::~StreamingSource() {
+    if (mLooper != NULL) {
+        mLooper->unregisterHandler(id());
+        mLooper->stop();
+    }
 }
 
 void NuPlayer::StreamingSource::prepareAsync() {
+    if (mLooper == NULL) {
+        mLooper = new ALooper;
+        mLooper->setName("streaming");
+        mLooper->start();
+
+        mLooper->registerHandler(this);
+    }
+
     notifyVideoSizeChanged();
     notifyFlagsChanged(0);
     notifyPrepared();
@@ -62,13 +75,15 @@
     mTSParser = new ATSParser(parserFlags);
 
     mStreamListener->start();
+
+    postReadBuffer();
 }
 
 status_t NuPlayer::StreamingSource::feedMoreTSData() {
-    if (mFinalResult != OK) {
-        return mFinalResult;
-    }
+    return postReadBuffer();
+}
 
+void NuPlayer::StreamingSource::onReadBuffer() {
     for (int32_t i = 0; i < 50; ++i) {
         char buffer[188];
         sp<AMessage> extra;
@@ -77,10 +92,10 @@
         if (n == 0) {
             ALOGI("input data EOS reached.");
             mTSParser->signalEOS(ERROR_END_OF_STREAM);
-            mFinalResult = ERROR_END_OF_STREAM;
+            setError(ERROR_END_OF_STREAM);
             break;
         } else if (n == INFO_DISCONTINUITY) {
-            int32_t type = ATSParser::DISCONTINUITY_SEEK;
+            int32_t type = ATSParser::DISCONTINUITY_TIME;
 
             int32_t mask;
             if (extra != NULL
@@ -88,7 +103,8 @@
                         IStreamListener::kKeyDiscontinuityMask, &mask)) {
                 if (mask == 0) {
                     ALOGE("Client specified an illegal discontinuity type.");
-                    return ERROR_UNSUPPORTED;
+                    setError(ERROR_UNSUPPORTED);
+                    break;
                 }
 
                 type = mask;
@@ -97,7 +113,6 @@
             mTSParser->signalDiscontinuity(
                     (ATSParser::DiscontinuityType)type, extra);
         } else if (n < 0) {
-            CHECK_EQ(n, -EWOULDBLOCK);
             break;
         } else {
             if (buffer[0] == 0x00) {
@@ -118,7 +133,7 @@
 
                 mTSParser->signalDiscontinuity(
                         ((type & 1) == 0)
-                            ? ATSParser::DISCONTINUITY_SEEK
+                            ? ATSParser::DISCONTINUITY_TIME
                             : ATSParser::DISCONTINUITY_FORMATCHANGE,
                         extra);
             } else {
@@ -128,22 +143,80 @@
                     ALOGE("TS Parser returned error %d", err);
 
                     mTSParser->signalEOS(err);
-                    mFinalResult = err;
+                    setError(err);
                     break;
                 }
             }
         }
     }
+}
 
+status_t NuPlayer::StreamingSource::postReadBuffer() {
+    {
+        Mutex::Autolock _l(mBufferingLock);
+        if (mFinalResult != OK) {
+            return mFinalResult;
+        }
+        if (mBuffering) {
+            return OK;
+        }
+        mBuffering = true;
+    }
+
+    (new AMessage(kWhatReadBuffer, id()))->post();
     return OK;
 }
 
-sp<MetaData> NuPlayer::StreamingSource::getFormatMeta(bool audio) {
-    ATSParser::SourceType type =
-        audio ? ATSParser::AUDIO : ATSParser::VIDEO;
+bool NuPlayer::StreamingSource::haveSufficientDataOnAllTracks() {
+    // We're going to buffer at least 2 secs worth data on all tracks before
+    // starting playback (both at startup and after a seek).
 
-    sp<AnotherPacketSource> source =
-        static_cast<AnotherPacketSource *>(mTSParser->getSource(type).get());
+    static const int64_t kMinDurationUs = 2000000ll;
+
+    sp<AnotherPacketSource> audioTrack = getSource(true /*audio*/);
+    sp<AnotherPacketSource> videoTrack = getSource(false /*audio*/);
+
+    status_t err;
+    int64_t durationUs;
+    if (audioTrack != NULL
+            && (durationUs = audioTrack->getBufferedDurationUs(&err))
+                    < kMinDurationUs
+            && err == OK) {
+        ALOGV("audio track doesn't have enough data yet. (%.2f secs buffered)",
+              durationUs / 1E6);
+        return false;
+    }
+
+    if (videoTrack != NULL
+            && (durationUs = videoTrack->getBufferedDurationUs(&err))
+                    < kMinDurationUs
+            && err == OK) {
+        ALOGV("video track doesn't have enough data yet. (%.2f secs buffered)",
+              durationUs / 1E6);
+        return false;
+    }
+
+    return true;
+}
+
+void NuPlayer::StreamingSource::setError(status_t err) {
+    Mutex::Autolock _l(mBufferingLock);
+    mFinalResult = err;
+}
+
+sp<AnotherPacketSource> NuPlayer::StreamingSource::getSource(bool audio) {
+    if (mTSParser == NULL) {
+        return NULL;
+    }
+
+    sp<MediaSource> source = mTSParser->getSource(
+            audio ? ATSParser::AUDIO : ATSParser::VIDEO);
+
+    return static_cast<AnotherPacketSource *>(source.get());
+}
+
+sp<MetaData> NuPlayer::StreamingSource::getFormatMeta(bool audio) {
+    sp<AnotherPacketSource> source = getSource(audio);
 
     if (source == NULL) {
         return NULL;
@@ -154,16 +227,16 @@
 
 status_t NuPlayer::StreamingSource::dequeueAccessUnit(
         bool audio, sp<ABuffer> *accessUnit) {
-    ATSParser::SourceType type =
-        audio ? ATSParser::AUDIO : ATSParser::VIDEO;
-
-    sp<AnotherPacketSource> source =
-        static_cast<AnotherPacketSource *>(mTSParser->getSource(type).get());
+    sp<AnotherPacketSource> source = getSource(audio);
 
     if (source == NULL) {
         return -EWOULDBLOCK;
     }
 
+    if (!haveSufficientDataOnAllTracks()) {
+        postReadBuffer();
+    }
+
     status_t finalResult;
     if (!source->hasBufferAvailable(&finalResult)) {
         return finalResult == OK ? -EWOULDBLOCK : finalResult;
@@ -186,5 +259,26 @@
     return mSource->flags() & IStreamSource::kFlagIsRealTimeData;
 }
 
+void NuPlayer::StreamingSource::onMessageReceived(
+        const sp<AMessage> &msg) {
+    switch (msg->what()) {
+        case kWhatReadBuffer:
+        {
+            onReadBuffer();
+
+            {
+                Mutex::Autolock _l(mBufferingLock);
+                mBuffering = false;
+            }
+            break;
+        }
+        default:
+        {
+            TRESPASS();
+        }
+    }
+}
+
+
 }  // namespace android
 
diff --git a/media/libmediaplayerservice/nuplayer/StreamingSource.h b/media/libmediaplayerservice/nuplayer/StreamingSource.h
index 412b6c4..1f95f3c 100644
--- a/media/libmediaplayerservice/nuplayer/StreamingSource.h
+++ b/media/libmediaplayerservice/nuplayer/StreamingSource.h
@@ -25,6 +25,7 @@
 
 struct ABuffer;
 struct ATSParser;
+struct AnotherPacketSource;
 
 struct NuPlayer::StreamingSource : public NuPlayer::Source {
     StreamingSource(
@@ -43,14 +44,29 @@
 protected:
     virtual ~StreamingSource();
 
+    virtual void onMessageReceived(const sp<AMessage> &msg);
+
     virtual sp<MetaData> getFormatMeta(bool audio);
 
 private:
+    enum {
+        kWhatReadBuffer,
+    };
     sp<IStreamSource> mSource;
     status_t mFinalResult;
     sp<NuPlayerStreamListener> mStreamListener;
     sp<ATSParser> mTSParser;
 
+    bool mBuffering;
+    Mutex mBufferingLock;
+    sp<ALooper> mLooper;
+
+    void setError(status_t err);
+    sp<AnotherPacketSource> getSource(bool audio);
+    bool haveSufficientDataOnAllTracks();
+    status_t postReadBuffer();
+    void onReadBuffer();
+
     DISALLOW_EVIL_CONSTRUCTORS(StreamingSource);
 };
 
diff --git a/media/libstagefright/ACodec.cpp b/media/libstagefright/ACodec.cpp
index e9d10cd..dfb0101 100644
--- a/media/libstagefright/ACodec.cpp
+++ b/media/libstagefright/ACodec.cpp
@@ -498,6 +498,10 @@
     sp<AMessage> msg = new AMessage(kWhatShutdown, id());
     msg->setInt32("keepComponentAllocated", keepComponentAllocated);
     msg->post();
+    if (!keepComponentAllocated) {
+        // ensure shutdown completes in 3 seconds
+        (new AMessage(kWhatReleaseCodecInstance, id()))->post(3000000);
+    }
 }
 
 void ACodec::signalRequestIDRFrame() {
@@ -1153,7 +1157,7 @@
     }
 
     sp<AMessage> inputFormat = new AMessage();
-    sp<AMessage> outputFormat = new AMessage();
+    sp<AMessage> outputFormat = mNotify->dup(); // will use this for kWhatOutputFormatChanged
 
     mIsEncoder = encoder;
 
@@ -1263,6 +1267,24 @@
                 static_cast<NativeWindowWrapper *>(obj.get()));
         sp<ANativeWindow> nativeWindow = windowWrapper->getNativeWindow();
 
+        // START of temporary support for automatic FRC - THIS WILL BE REMOVED
+        int32_t autoFrc;
+        if (msg->findInt32("auto-frc", &autoFrc)) {
+            bool enabled = autoFrc;
+            OMX_CONFIG_BOOLEANTYPE config;
+            InitOMXParams(&config);
+            config.bEnabled = (OMX_BOOL)enabled;
+            status_t temp = mOMX->setConfig(
+                    mNode, (OMX_INDEXTYPE)OMX_IndexConfigAutoFramerateConversion,
+                    &config, sizeof(config));
+            if (temp == OK) {
+                outputFormat->setInt32("auto-frc", enabled);
+            } else if (enabled) {
+                ALOGI("codec does not support requested auto-frc (err %d)", temp);
+            }
+        }
+        // END of temporary support for automatic FRC
+
         int32_t tunneled;
         if (msg->findInt32("feature-tunneled-playback", &tunneled) &&
             tunneled != 0) {
@@ -1280,7 +1302,21 @@
                 return err;
             }
 
-            inputFormat->setInt32("adaptive-playback", true);
+            int32_t maxWidth = 0, maxHeight = 0;
+            if (msg->findInt32("max-width", &maxWidth) &&
+                    msg->findInt32("max-height", &maxHeight)) {
+
+                err = mOMX->prepareForAdaptivePlayback(
+                        mNode, kPortIndexOutput, OMX_TRUE, maxWidth, maxHeight);
+                if (err != OK) {
+                    ALOGW("[%s] prepareForAdaptivePlayback failed w/ err %d",
+                            mComponentName.c_str(), err);
+                } else {
+                    inputFormat->setInt32("max-width", maxWidth);
+                    inputFormat->setInt32("max-height", maxHeight);
+                    inputFormat->setInt32("adaptive-playback", true);
+                }
+            }
         } else {
             ALOGV("Configuring CPU controlled video playback.");
             mTunneled = false;
@@ -1520,6 +1556,8 @@
         err = setMinBufferSize(kPortIndexInput, 8192);  // XXX
     }
 
+    mBaseOutputFormat = outputFormat;
+
     CHECK_EQ(getPortFormat(kPortIndexInput, inputFormat), (status_t)OK);
     CHECK_EQ(getPortFormat(kPortIndexOutput, outputFormat), (status_t)OK);
     mInputFormat = inputFormat;
@@ -2216,7 +2254,11 @@
 
     video_def->xFramerate = (OMX_U32)(frameRate * 65536.0f);
     video_def->eCompressionFormat = OMX_VIDEO_CodingUnused;
-    video_def->eColorFormat = colorFormat;
+    // this is redundant as it was already set up in setVideoPortFormatType
+    // FIXME for now skip this only for flexible YUV formats
+    if (colorFormat != OMX_COLOR_FormatYUV420Flexible) {
+        video_def->eColorFormat = colorFormat;
+    }
 
     err = mOMX->setParameter(
             mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
@@ -3505,7 +3547,7 @@
 }
 
 void ACodec::sendFormatChange(const sp<AMessage> &reply) {
-    sp<AMessage> notify = mNotify->dup();
+    sp<AMessage> notify = mBaseOutputFormat->dup();
     notify->setInt32("what", kWhatOutputFormatChanged);
 
     CHECK_EQ(getPortFormat(kPortIndexOutput, notify), (status_t)OK);
@@ -3794,6 +3836,19 @@
             break;
         }
 
+        case ACodec::kWhatReleaseCodecInstance:
+        {
+            ALOGI("[%s] forcing the release of codec",
+                    mCodec->mComponentName.c_str());
+            status_t err = mCodec->mOMX->freeNode(mCodec->mNode);
+            ALOGE_IF("[%s] failed to release codec instance: err=%d",
+                       mCodec->mComponentName.c_str(), err);
+            sp<AMessage> notify = mCodec->mNotify->dup();
+            notify->setInt32("what", CodecBase::kWhatShutdownCompleted);
+            notify->post();
+            break;
+        }
+
         default:
             return false;
     }
@@ -4196,7 +4251,8 @@
 
         case RESUBMIT_BUFFERS:
         {
-            if (rangeLength == 0 && !(flags & OMX_BUFFERFLAG_EOS)) {
+            if (rangeLength == 0 && (!(flags & OMX_BUFFERFLAG_EOS)
+                    || mCodec->mPortEOS[kPortIndexOutput])) {
                 ALOGV("[%s] calling fillBuffer %u",
                      mCodec->mComponentName.c_str(), info->mBufferID);
 
@@ -4453,6 +4509,13 @@
             break;
         }
 
+        case ACodec::kWhatReleaseCodecInstance:
+        {
+            // nothing to do, as we have already signaled shutdown
+            handled = true;
+            break;
+        }
+
         default:
             return BaseState::onMessageReceived(msg);
     }
@@ -4599,6 +4662,7 @@
     mCodec->mRepeatFrameDelayUs = -1ll;
     mCodec->mInputFormat.clear();
     mCodec->mOutputFormat.clear();
+    mCodec->mBaseOutputFormat.clear();
 
     if (mCodec->mShutdownInProgress) {
         bool keepComponentAllocated = mCodec->mKeepComponentAllocated;
diff --git a/media/libstagefright/AwesomePlayer.cpp b/media/libstagefright/AwesomePlayer.cpp
index ab8ac79..007c090 100644
--- a/media/libstagefright/AwesomePlayer.cpp
+++ b/media/libstagefright/AwesomePlayer.cpp
@@ -75,7 +75,7 @@
 
 // maximum time in paused state when offloading audio decompression. When elapsed, the AudioPlayer
 // is destroyed to allow the audio DSP to power down.
-static int64_t kOffloadPauseMaxUs = 60000000ll;
+static int64_t kOffloadPauseMaxUs = 10000000ll;
 
 
 struct AwesomeEvent : public TimedEventQueue::Event {
@@ -878,6 +878,16 @@
         return;
     }
 
+    if (mFlags & AUTO_LOOPING) {
+        audio_stream_type_t streamType = AUDIO_STREAM_MUSIC;
+        if (mAudioSink != NULL) {
+            streamType = mAudioSink->getAudioStreamType();
+        }
+        if (streamType == AUDIO_STREAM_NOTIFICATION) {
+            ALOGW("disabling auto-loop for notification");
+            modifyFlags(AUTO_LOOPING, CLEAR);
+        }
+    }
     if ((mFlags & LOOPING)
             || ((mFlags & AUTO_LOOPING)
                 && (mAudioSink == NULL || mAudioSink->realtime()))) {
diff --git a/media/libstagefright/CameraSource.cpp b/media/libstagefright/CameraSource.cpp
index 853e8fc..ad12bdd 100644
--- a/media/libstagefright/CameraSource.cpp
+++ b/media/libstagefright/CameraSource.cpp
@@ -130,6 +130,7 @@
          "CameraSource::getColorFormat", colorFormat);
 
     CHECK(!"Unknown color format");
+    return -1;
 }
 
 CameraSource *CameraSource::Create(const String16 &clientName) {
@@ -677,63 +678,80 @@
 
 void CameraSource::releaseCamera() {
     ALOGV("releaseCamera");
-    if (mCamera != 0) {
-        int64_t token = IPCThreadState::self()->clearCallingIdentity();
-        if ((mCameraFlags & FLAGS_HOT_CAMERA) == 0) {
-            ALOGV("Camera was cold when we started, stopping preview");
-            mCamera->stopPreview();
-            mCamera->disconnect();
-        }
-        mCamera->unlock();
+    sp<Camera> camera;
+    bool coldCamera = false;
+    {
+        Mutex::Autolock autoLock(mLock);
+        // get a local ref and clear ref to mCamera now
+        camera = mCamera;
         mCamera.clear();
-        mCamera = 0;
+        coldCamera = (mCameraFlags & FLAGS_HOT_CAMERA) == 0;
+    }
+
+    if (camera != 0) {
+        int64_t token = IPCThreadState::self()->clearCallingIdentity();
+        if (coldCamera) {
+            ALOGV("Camera was cold when we started, stopping preview");
+            camera->stopPreview();
+            camera->disconnect();
+        }
+        camera->unlock();
         IPCThreadState::self()->restoreCallingIdentity(token);
     }
-    if (mCameraRecordingProxy != 0) {
-        IInterface::asBinder(mCameraRecordingProxy)->unlinkToDeath(mDeathNotifier);
-        mCameraRecordingProxy.clear();
+
+    {
+        Mutex::Autolock autoLock(mLock);
+        if (mCameraRecordingProxy != 0) {
+            IInterface::asBinder(mCameraRecordingProxy)->unlinkToDeath(mDeathNotifier);
+            mCameraRecordingProxy.clear();
+        }
+        mCameraFlags = 0;
     }
-    mCameraFlags = 0;
 }
 
 status_t CameraSource::reset() {
     ALOGD("reset: E");
-    Mutex::Autolock autoLock(mLock);
-    mStarted = false;
-    mFrameAvailableCondition.signal();
 
-    int64_t token;
-    bool isTokenValid = false;
-    if (mCamera != 0) {
-        token = IPCThreadState::self()->clearCallingIdentity();
-        isTokenValid = true;
-    }
-    releaseQueuedFrames();
-    while (!mFramesBeingEncoded.empty()) {
-        if (NO_ERROR !=
-            mFrameCompleteCondition.waitRelative(mLock,
-                    mTimeBetweenFrameCaptureUs * 1000LL + CAMERA_SOURCE_TIMEOUT_NS)) {
-            ALOGW("Timed out waiting for outstanding frames being encoded: %zu",
-                mFramesBeingEncoded.size());
+    {
+        Mutex::Autolock autoLock(mLock);
+        mStarted = false;
+        mFrameAvailableCondition.signal();
+
+        int64_t token;
+        bool isTokenValid = false;
+        if (mCamera != 0) {
+            token = IPCThreadState::self()->clearCallingIdentity();
+            isTokenValid = true;
         }
+        releaseQueuedFrames();
+        while (!mFramesBeingEncoded.empty()) {
+            if (NO_ERROR !=
+                mFrameCompleteCondition.waitRelative(mLock,
+                        mTimeBetweenFrameCaptureUs * 1000LL + CAMERA_SOURCE_TIMEOUT_NS)) {
+                ALOGW("Timed out waiting for outstanding frames being encoded: %zu",
+                    mFramesBeingEncoded.size());
+            }
+        }
+        stopCameraRecording();
+        if (isTokenValid) {
+            IPCThreadState::self()->restoreCallingIdentity(token);
+        }
+
+        if (mCollectStats) {
+            ALOGI("Frames received/encoded/dropped: %d/%d/%d in %" PRId64 " us",
+                    mNumFramesReceived, mNumFramesEncoded, mNumFramesDropped,
+                    mLastFrameTimestampUs - mFirstFrameTimeUs);
+        }
+
+        if (mNumGlitches > 0) {
+            ALOGW("%d long delays between neighboring video frames", mNumGlitches);
+        }
+
+        CHECK_EQ(mNumFramesReceived, mNumFramesEncoded + mNumFramesDropped);
     }
-    stopCameraRecording();
+
     releaseCamera();
-    if (isTokenValid) {
-        IPCThreadState::self()->restoreCallingIdentity(token);
-    }
 
-    if (mCollectStats) {
-        ALOGI("Frames received/encoded/dropped: %d/%d/%d in %" PRId64 " us",
-                mNumFramesReceived, mNumFramesEncoded, mNumFramesDropped,
-                mLastFrameTimestampUs - mFirstFrameTimeUs);
-    }
-
-    if (mNumGlitches > 0) {
-        ALOGW("%d long delays between neighboring video frames", mNumGlitches);
-    }
-
-    CHECK_EQ(mNumFramesReceived, mNumFramesEncoded + mNumFramesDropped);
     ALOGD("reset: X");
     return OK;
 }
diff --git a/media/libstagefright/HTTPBase.cpp b/media/libstagefright/HTTPBase.cpp
index 32291c8..0c2ff15 100644
--- a/media/libstagefright/HTTPBase.cpp
+++ b/media/libstagefright/HTTPBase.cpp
@@ -36,7 +36,8 @@
       mTotalTransferBytes(0),
       mPrevBandwidthMeasureTimeUs(0),
       mPrevEstimatedBandWidthKbps(0),
-      mBandWidthCollectFreqMs(5000) {
+      mBandWidthCollectFreqMs(5000),
+      mMaxBandwidthHistoryItems(100) {
 }
 
 void HTTPBase::addBandwidthMeasurement(
@@ -50,7 +51,7 @@
     mTotalTransferBytes += numBytes;
 
     mBandwidthHistory.push_back(entry);
-    if (++mNumBandwidthHistoryItems > 100) {
+    if (++mNumBandwidthHistoryItems > mMaxBandwidthHistoryItems) {
         BandwidthEntry *entry = &*mBandwidthHistory.begin();
         mTotalTransferTimeUs -= entry->mDelayUs;
         mTotalTransferBytes -= entry->mNumBytes;
@@ -104,6 +105,10 @@
     return OK;
 }
 
+void HTTPBase::setBandwidthHistorySize(size_t numHistoryItems) {
+    mMaxBandwidthHistoryItems = numHistoryItems;
+}
+
 // static
 void HTTPBase::RegisterSocketUserTag(int sockfd, uid_t uid, uint32_t kTag) {
     int res = qtaguid_tagSocket(sockfd, kTag, uid);
diff --git a/media/libstagefright/MPEG4Extractor.cpp b/media/libstagefright/MPEG4Extractor.cpp
index 64ab2f7..dec52f3 100644
--- a/media/libstagefright/MPEG4Extractor.cpp
+++ b/media/libstagefright/MPEG4Extractor.cpp
@@ -999,6 +999,9 @@
 
                 int64_t duration;
                 int32_t samplerate;
+                if (!mLastTrack) {
+                    return ERROR_MALFORMED;
+                }
                 if (mLastTrack->meta->findInt64(kKeyDuration, &duration) &&
                         mLastTrack->meta->findInt32(kKeySampleRate, &samplerate)) {
 
diff --git a/media/libstagefright/MPEG4Writer.cpp b/media/libstagefright/MPEG4Writer.cpp
index f6525ae..9f20b1d 100644
--- a/media/libstagefright/MPEG4Writer.cpp
+++ b/media/libstagefright/MPEG4Writer.cpp
@@ -41,6 +41,11 @@
 
 #include "include/ESDS.h"
 
+
+#ifndef __predict_false
+#define __predict_false(exp) __builtin_expect((exp) != 0, 0)
+#endif
+
 #define WARN_UNLESS(condition, message, ...) \
 ( (__predict_false(condition)) ? false : ({ \
     ALOGW("Condition %s failed "  message, #condition, ##__VA_ARGS__); \
diff --git a/media/libstagefright/MediaCodec.cpp b/media/libstagefright/MediaCodec.cpp
index 5f55484..e1c8a41 100644
--- a/media/libstagefright/MediaCodec.cpp
+++ b/media/libstagefright/MediaCodec.cpp
@@ -738,6 +738,7 @@
                             err, actionCode, mState);
                     if (err == DEAD_OBJECT) {
                         mFlags |= kFlagSawMediaServerDie;
+                        mFlags &= ~kFlagIsComponentAllocated;
                     }
 
                     bool sendErrorResponse = true;
@@ -863,6 +864,7 @@
                 {
                     CHECK_EQ(mState, INITIALIZING);
                     setState(INITIALIZED);
+                    mFlags |= kFlagIsComponentAllocated;
 
                     CHECK(msg->findString("componentName", &mComponentName));
 
@@ -1009,6 +1011,16 @@
                         mFlags |= kFlagOutputFormatChanged;
                         postActivityNotificationIfPossible();
                     }
+
+                    // Notify mCrypto of video resolution changes
+                    if (mCrypto != NULL) {
+                      int32_t height, width;
+                      if (mOutputFormat->findInt32("height", &height) &&
+                          mOutputFormat->findInt32("width", &width)) {
+                        mCrypto->notifyResolution(width, height);
+                      }
+                    }
+
                     break;
                 }
 
@@ -1136,6 +1148,7 @@
                         setState(UNINITIALIZED);
                         mComponentName.clear();
                     }
+                    mFlags &= ~kFlagIsComponentAllocated;
 
                     (new AMessage)->postReply(mReplyID);
                     break;
@@ -1313,8 +1326,10 @@
             CHECK(msg->senderAwaitsResponse(&replyID));
 
             if (mState == FLUSHED) {
+                setState(STARTED);
                 mCodec->signalResume();
                 PostReplyWithError(replyID, OK);
+                break;
             } else if (mState != CONFIGURED) {
                 PostReplyWithError(replyID, INVALID_OPERATION);
                 break;
@@ -1336,9 +1351,13 @@
             uint32_t replyID;
             CHECK(msg->senderAwaitsResponse(&replyID));
 
-            if (mState != INITIALIZED
+            if (!((mFlags & kFlagIsComponentAllocated) && targetState == UNINITIALIZED) // See 1
+                    && mState != INITIALIZED
                     && mState != CONFIGURED && !isExecuting()) {
-                // We may be in "UNINITIALIZED" state already without the
+                // 1) Permit release to shut down the component if allocated.
+                //
+                // 2) We may be in "UNINITIALIZED" state already and
+                // also shutdown the encoder/decoder without the
                 // client being aware of this if media server died while
                 // we were being stopped. The client would assume that
                 // after stop() returned, it would be safe to call release()
diff --git a/media/libstagefright/MediaCodecList.cpp b/media/libstagefright/MediaCodecList.cpp
index 5b8be46..cf6e937 100644
--- a/media/libstagefright/MediaCodecList.cpp
+++ b/media/libstagefright/MediaCodecList.cpp
@@ -62,6 +62,14 @@
 
 sp<IMediaCodecList> MediaCodecList::sRemoteList;
 
+sp<MediaCodecList::BinderDeathObserver> MediaCodecList::sBinderDeathObserver;
+
+void MediaCodecList::BinderDeathObserver::binderDied(const wp<IBinder> &who __unused) {
+    Mutex::Autolock _l(sRemoteInitMutex);
+    sRemoteList.clear();
+    sBinderDeathObserver.clear();
+}
+
 // static
 sp<IMediaCodecList> MediaCodecList::getInstance() {
     Mutex::Autolock _l(sRemoteInitMutex);
@@ -72,8 +80,11 @@
             interface_cast<IMediaPlayerService>(binder);
         if (service.get() != NULL) {
             sRemoteList = service->getCodecList();
+            if (sRemoteList != NULL) {
+                sBinderDeathObserver = new BinderDeathObserver();
+                binder->linkToDeath(sBinderDeathObserver.get());
+            }
         }
-
         if (sRemoteList == NULL) {
             // if failed to get remote list, create local list
             sRemoteList = getLocalInstance();
diff --git a/media/libstagefright/MediaCodecSource.cpp b/media/libstagefright/MediaCodecSource.cpp
index b9466da..c26e909 100644
--- a/media/libstagefright/MediaCodecSource.cpp
+++ b/media/libstagefright/MediaCodecSource.cpp
@@ -422,24 +422,16 @@
         }
     }
 
+    mEncoderActivityNotify = new AMessage(
+            kWhatEncoderActivity, mReflector->id());
+    mEncoder->setCallback(mEncoderActivityNotify);
+
     err = mEncoder->start();
 
     if (err != OK) {
         return err;
     }
 
-    err = mEncoder->getInputBuffers(&mEncoderInputBuffers);
-
-    if (err != OK) {
-        return err;
-    }
-
-    err = mEncoder->getOutputBuffers(&mEncoderOutputBuffers);
-
-    if (err != OK) {
-        return err;
-    }
-
     mEncoderReachedEOS = false;
     mErrorCode = OK;
 
@@ -461,14 +453,6 @@
             mbuf->release();
         }
     }
-
-    for (size_t i = 0; i < mEncoderInputBuffers.size(); ++i) {
-        sp<ABuffer> accessUnit = mEncoderInputBuffers.itemAt(i);
-        accessUnit->setMediaBufferBase(NULL);
-    }
-
-    mEncoderInputBuffers.clear();
-    mEncoderOutputBuffers.clear();
 }
 
 status_t MediaCodecSource::postSynchronouslyAndReturnError(
@@ -539,20 +523,6 @@
     }
 }
 
-void MediaCodecSource::scheduleDoMoreWork() {
-    if (mDoMoreWorkPending) {
-        return;
-    }
-
-    mDoMoreWorkPending = true;
-
-    if (mEncoderActivityNotify == NULL) {
-        mEncoderActivityNotify = new AMessage(
-                kWhatEncoderActivity, mReflector->id());
-    }
-    mEncoder->requestActivityNotification(mEncoderActivityNotify);
-}
-
 status_t MediaCodecSource::feedEncoderInputBuffers() {
     while (!mInputBufferQueue.empty()
             && !mAvailEncoderInputIndices.empty()) {
@@ -587,16 +557,22 @@
 #endif // DEBUG_DRIFT_TIME
             }
 
+            sp<ABuffer> inbuf;
+            status_t err = mEncoder->getInputBuffer(bufferIndex, &inbuf);
+            if (err != OK || inbuf == NULL) {
+                mbuf->release();
+                signalEOS();
+                break;
+            }
+
             size = mbuf->size();
 
-            memcpy(mEncoderInputBuffers.itemAt(bufferIndex)->data(),
-                   mbuf->data(), size);
+            memcpy(inbuf->data(), mbuf->data(), size);
 
             if (mIsVideo) {
                 // video encoder will release MediaBuffer when done
                 // with underlying data.
-                mEncoderInputBuffers.itemAt(bufferIndex)->setMediaBufferBase(
-                        mbuf);
+                inbuf->setMediaBufferBase(mbuf);
             } else {
                 mbuf->release();
             }
@@ -615,49 +591,120 @@
     return OK;
 }
 
-status_t MediaCodecSource::doMoreWork(int32_t numInput, int32_t numOutput) {
+status_t MediaCodecSource::onStart(MetaData *params) {
+    if (mStopping) {
+        ALOGE("Failed to start while we're stopping");
+        return INVALID_OPERATION;
+    }
+
+    if (mStarted) {
+        ALOGI("MediaCodecSource (%s) resuming", mIsVideo ? "video" : "audio");
+        if (mFlags & FLAG_USE_SURFACE_INPUT) {
+            resume();
+        } else {
+            CHECK(mPuller != NULL);
+            mPuller->resume();
+        }
+        return OK;
+    }
+
+    ALOGI("MediaCodecSource (%s) starting", mIsVideo ? "video" : "audio");
+
     status_t err = OK;
 
-    if (!(mFlags & FLAG_USE_SURFACE_INPUT)) {
-        while (numInput-- > 0) {
-            size_t bufferIndex;
-            err = mEncoder->dequeueInputBuffer(&bufferIndex);
+    if (mFlags & FLAG_USE_SURFACE_INPUT) {
+        int64_t startTimeUs;
+        if (!params || !params->findInt64(kKeyTime, &startTimeUs)) {
+            startTimeUs = -1ll;
+        }
+        resume(startTimeUs);
+    } else {
+        CHECK(mPuller != NULL);
+        sp<AMessage> notify = new AMessage(
+                kWhatPullerNotify, mReflector->id());
+        err = mPuller->start(params, notify);
+        if (err != OK) {
+            return err;
+        }
+    }
 
-            if (err != OK) {
+    ALOGI("MediaCodecSource (%s) started", mIsVideo ? "video" : "audio");
+
+    mStarted = true;
+    return OK;
+}
+
+void MediaCodecSource::onMessageReceived(const sp<AMessage> &msg) {
+    switch (msg->what()) {
+    case kWhatPullerNotify:
+    {
+        MediaBuffer *mbuf;
+        CHECK(msg->findPointer("accessUnit", (void**)&mbuf));
+
+        if (mbuf == NULL) {
+            ALOGV("puller (%s) reached EOS",
+                    mIsVideo ? "video" : "audio");
+            signalEOS();
+        }
+
+        if (mEncoder == NULL) {
+            ALOGV("got msg '%s' after encoder shutdown.",
+                  msg->debugString().c_str());
+
+            if (mbuf != NULL) {
+                mbuf->release();
+            }
+
+            break;
+        }
+
+        mInputBufferQueue.push_back(mbuf);
+
+        feedEncoderInputBuffers();
+
+        break;
+    }
+    case kWhatEncoderActivity:
+    {
+        if (mEncoder == NULL) {
+            break;
+        }
+
+        int32_t cbID;
+        CHECK(msg->findInt32("callbackID", &cbID));
+        if (cbID == MediaCodec::CB_INPUT_AVAILABLE) {
+            int32_t index;
+            CHECK(msg->findInt32("index", &index));
+
+            mAvailEncoderInputIndices.push_back(index);
+            feedEncoderInputBuffers();
+        } else if (cbID == MediaCodec::CB_OUTPUT_AVAILABLE) {
+            int32_t index;
+            size_t offset;
+            size_t size;
+            int64_t timeUs;
+            int32_t flags;
+            native_handle_t* handle = NULL;
+
+            CHECK(msg->findInt32("index", &index));
+            CHECK(msg->findSize("offset", &offset));
+            CHECK(msg->findSize("size", &size));
+            CHECK(msg->findInt64("timeUs", &timeUs));
+            CHECK(msg->findInt32("flags", &flags));
+
+            if (flags & MediaCodec::BUFFER_FLAG_EOS) {
+                mEncoder->releaseOutputBuffer(index);
+                signalEOS();
                 break;
             }
 
-            mAvailEncoderInputIndices.push_back(bufferIndex);
-        }
-
-        feedEncoderInputBuffers();
-    }
-
-    while (numOutput-- > 0) {
-        size_t bufferIndex;
-        size_t offset;
-        size_t size;
-        int64_t timeUs;
-        uint32_t flags;
-        err = mEncoder->dequeueOutputBuffer(
-                &bufferIndex, &offset, &size, &timeUs, &flags);
-
-        if (err != OK) {
-            if (err == INFO_FORMAT_CHANGED) {
-                continue;
-            } else if (err == INFO_OUTPUT_BUFFERS_CHANGED) {
-                mEncoder->getOutputBuffers(&mEncoderOutputBuffers);
-                continue;
+            sp<ABuffer> outbuf;
+            status_t err = mEncoder->getOutputBuffer(index, &outbuf);
+            if (err != OK || outbuf == NULL) {
+                signalEOS();
+                break;
             }
 
-            if (err == -EAGAIN) {
-                err = OK;
-            }
-            break;
-        }
-        if (!(flags & MediaCodec::BUFFER_FLAG_EOS)) {
-            sp<ABuffer> outbuf = mEncoderOutputBuffers.itemAt(bufferIndex);
-
             MediaBuffer *mbuf = new MediaBuffer(outbuf->size());
             memcpy(mbuf->data(), outbuf->data(), outbuf->size());
 
@@ -708,121 +755,16 @@
                 mOutputBufferQueue.push_back(mbuf);
                 mOutputBufferCond.signal();
             }
-        }
 
-        mEncoder->releaseOutputBuffer(bufferIndex);
-
-        if (flags & MediaCodec::BUFFER_FLAG_EOS) {
-            err = ERROR_END_OF_STREAM;
-            break;
-        }
-    }
-
-    return err;
-}
-
-status_t MediaCodecSource::onStart(MetaData *params) {
-    if (mStopping) {
-        ALOGE("Failed to start while we're stopping");
-        return INVALID_OPERATION;
-    }
-
-    if (mStarted) {
-        ALOGI("MediaCodecSource (%s) resuming", mIsVideo ? "video" : "audio");
-        if (mFlags & FLAG_USE_SURFACE_INPUT) {
-            resume();
-        } else {
-            CHECK(mPuller != NULL);
-            mPuller->resume();
-        }
-        return OK;
-    }
-
-    ALOGI("MediaCodecSource (%s) starting", mIsVideo ? "video" : "audio");
-
-    status_t err = OK;
-
-    if (mFlags & FLAG_USE_SURFACE_INPUT) {
-        int64_t startTimeUs;
-        if (!params || !params->findInt64(kKeyTime, &startTimeUs)) {
-            startTimeUs = -1ll;
-        }
-        resume(startTimeUs);
-        scheduleDoMoreWork();
-    } else {
-        CHECK(mPuller != NULL);
-        sp<AMessage> notify = new AMessage(
-                kWhatPullerNotify, mReflector->id());
-        err = mPuller->start(params, notify);
-        if (err != OK) {
-            return err;
-        }
-    }
-
-    ALOGI("MediaCodecSource (%s) started", mIsVideo ? "video" : "audio");
-
-    mStarted = true;
-    return OK;
-}
-
-void MediaCodecSource::onMessageReceived(const sp<AMessage> &msg) {
-    switch (msg->what()) {
-    case kWhatPullerNotify:
-    {
-        MediaBuffer *mbuf;
-        CHECK(msg->findPointer("accessUnit", (void**)&mbuf));
-
-        if (mbuf == NULL) {
-            ALOGV("puller (%s) reached EOS",
-                    mIsVideo ? "video" : "audio");
+            mEncoder->releaseOutputBuffer(index);
+       } else if (cbID == MediaCodec::CB_ERROR) {
+            status_t err;
+            CHECK(msg->findInt32("err", &err));
+            ALOGE("Encoder (%s) reported error : 0x%x",
+                    mIsVideo ? "video" : "audio", err);
             signalEOS();
-        }
-
-        if (mEncoder == NULL) {
-            ALOGV("got msg '%s' after encoder shutdown.",
-                  msg->debugString().c_str());
-
-            if (mbuf != NULL) {
-                mbuf->release();
-            }
-
-            break;
-        }
-
-        mInputBufferQueue.push_back(mbuf);
-
-        feedEncoderInputBuffers();
-        scheduleDoMoreWork();
-
-        break;
-    }
-    case kWhatEncoderActivity:
-    {
-        mDoMoreWorkPending = false;
-
-        if (mEncoder == NULL) {
-            break;
-        }
-
-        int32_t numInput, numOutput;
-
-        if (!msg->findInt32("input-buffers", &numInput)) {
-            numInput = INT32_MAX;
-        }
-        if (!msg->findInt32("output-buffers", &numOutput)) {
-            numOutput = INT32_MAX;
-        }
-
-        status_t err = doMoreWork(numInput, numOutput);
-
-        if (err == OK) {
-            scheduleDoMoreWork();
-        } else {
-            // reached EOS, or error
-            signalEOS(err);
-        }
-
-        break;
+       }
+       break;
     }
     case kWhatStart:
     {
diff --git a/media/libstagefright/OMXCodec.cpp b/media/libstagefright/OMXCodec.cpp
index 9c03c9a..69f4989 100644
--- a/media/libstagefright/OMXCodec.cpp
+++ b/media/libstagefright/OMXCodec.cpp
@@ -47,10 +47,11 @@
 #include <media/stagefright/SkipCutBuffer.h>
 #include <utils/Vector.h>
 
-#include <OMX_Audio.h>
 #include <OMX_AudioExt.h>
 #include <OMX_Component.h>
 #include <OMX_IndexExt.h>
+#include <OMX_VideoExt.h>
+#include <OMX_AsString.h>
 
 #include "include/avc_utils.h"
 
@@ -817,6 +818,7 @@
             CHECK(!"Should not be here. Unsupported color format.");
             break;
     }
+    return 0;
 }
 
 status_t OMXCodec::findTargetColorFormat(
@@ -4075,220 +4077,6 @@
     CHECK(!"should not be here.");
 }
 
-static const char *imageCompressionFormatString(OMX_IMAGE_CODINGTYPE type) {
-    static const char *kNames[] = {
-        "OMX_IMAGE_CodingUnused",
-        "OMX_IMAGE_CodingAutoDetect",
-        "OMX_IMAGE_CodingJPEG",
-        "OMX_IMAGE_CodingJPEG2K",
-        "OMX_IMAGE_CodingEXIF",
-        "OMX_IMAGE_CodingTIFF",
-        "OMX_IMAGE_CodingGIF",
-        "OMX_IMAGE_CodingPNG",
-        "OMX_IMAGE_CodingLZW",
-        "OMX_IMAGE_CodingBMP",
-    };
-
-    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
-
-    if (type < 0 || (size_t)type >= numNames) {
-        return "UNKNOWN";
-    } else {
-        return kNames[type];
-    }
-}
-
-static const char *colorFormatString(OMX_COLOR_FORMATTYPE type) {
-    static const char *kNames[] = {
-        "OMX_COLOR_FormatUnused",
-        "OMX_COLOR_FormatMonochrome",
-        "OMX_COLOR_Format8bitRGB332",
-        "OMX_COLOR_Format12bitRGB444",
-        "OMX_COLOR_Format16bitARGB4444",
-        "OMX_COLOR_Format16bitARGB1555",
-        "OMX_COLOR_Format16bitRGB565",
-        "OMX_COLOR_Format16bitBGR565",
-        "OMX_COLOR_Format18bitRGB666",
-        "OMX_COLOR_Format18bitARGB1665",
-        "OMX_COLOR_Format19bitARGB1666",
-        "OMX_COLOR_Format24bitRGB888",
-        "OMX_COLOR_Format24bitBGR888",
-        "OMX_COLOR_Format24bitARGB1887",
-        "OMX_COLOR_Format25bitARGB1888",
-        "OMX_COLOR_Format32bitBGRA8888",
-        "OMX_COLOR_Format32bitARGB8888",
-        "OMX_COLOR_FormatYUV411Planar",
-        "OMX_COLOR_FormatYUV411PackedPlanar",
-        "OMX_COLOR_FormatYUV420Planar",
-        "OMX_COLOR_FormatYUV420PackedPlanar",
-        "OMX_COLOR_FormatYUV420SemiPlanar",
-        "OMX_COLOR_FormatYUV422Planar",
-        "OMX_COLOR_FormatYUV422PackedPlanar",
-        "OMX_COLOR_FormatYUV422SemiPlanar",
-        "OMX_COLOR_FormatYCbYCr",
-        "OMX_COLOR_FormatYCrYCb",
-        "OMX_COLOR_FormatCbYCrY",
-        "OMX_COLOR_FormatCrYCbY",
-        "OMX_COLOR_FormatYUV444Interleaved",
-        "OMX_COLOR_FormatRawBayer8bit",
-        "OMX_COLOR_FormatRawBayer10bit",
-        "OMX_COLOR_FormatRawBayer8bitcompressed",
-        "OMX_COLOR_FormatL2",
-        "OMX_COLOR_FormatL4",
-        "OMX_COLOR_FormatL8",
-        "OMX_COLOR_FormatL16",
-        "OMX_COLOR_FormatL24",
-        "OMX_COLOR_FormatL32",
-        "OMX_COLOR_FormatYUV420PackedSemiPlanar",
-        "OMX_COLOR_FormatYUV422PackedSemiPlanar",
-        "OMX_COLOR_Format18BitBGR666",
-        "OMX_COLOR_Format24BitARGB6666",
-        "OMX_COLOR_Format24BitABGR6666",
-    };
-
-    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
-
-    if (type == OMX_TI_COLOR_FormatYUV420PackedSemiPlanar) {
-        return "OMX_TI_COLOR_FormatYUV420PackedSemiPlanar";
-    } else if (type == OMX_QCOM_COLOR_FormatYVU420SemiPlanar) {
-        return "OMX_QCOM_COLOR_FormatYVU420SemiPlanar";
-    } else if (type < 0 || (size_t)type >= numNames) {
-        return "UNKNOWN";
-    } else {
-        return kNames[type];
-    }
-}
-
-static const char *videoCompressionFormatString(OMX_VIDEO_CODINGTYPE type) {
-    static const char *kNames[] = {
-        "OMX_VIDEO_CodingUnused",
-        "OMX_VIDEO_CodingAutoDetect",
-        "OMX_VIDEO_CodingMPEG2",
-        "OMX_VIDEO_CodingH263",
-        "OMX_VIDEO_CodingMPEG4",
-        "OMX_VIDEO_CodingWMV",
-        "OMX_VIDEO_CodingRV",
-        "OMX_VIDEO_CodingAVC",
-        "OMX_VIDEO_CodingMJPEG",
-    };
-
-    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
-
-    if (type < 0 || (size_t)type >= numNames) {
-        return "UNKNOWN";
-    } else {
-        return kNames[type];
-    }
-}
-
-static const char *audioCodingTypeString(OMX_AUDIO_CODINGTYPE type) {
-    static const char *kNames[] = {
-        "OMX_AUDIO_CodingUnused",
-        "OMX_AUDIO_CodingAutoDetect",
-        "OMX_AUDIO_CodingPCM",
-        "OMX_AUDIO_CodingADPCM",
-        "OMX_AUDIO_CodingAMR",
-        "OMX_AUDIO_CodingGSMFR",
-        "OMX_AUDIO_CodingGSMEFR",
-        "OMX_AUDIO_CodingGSMHR",
-        "OMX_AUDIO_CodingPDCFR",
-        "OMX_AUDIO_CodingPDCEFR",
-        "OMX_AUDIO_CodingPDCHR",
-        "OMX_AUDIO_CodingTDMAFR",
-        "OMX_AUDIO_CodingTDMAEFR",
-        "OMX_AUDIO_CodingQCELP8",
-        "OMX_AUDIO_CodingQCELP13",
-        "OMX_AUDIO_CodingEVRC",
-        "OMX_AUDIO_CodingSMV",
-        "OMX_AUDIO_CodingG711",
-        "OMX_AUDIO_CodingG723",
-        "OMX_AUDIO_CodingG726",
-        "OMX_AUDIO_CodingG729",
-        "OMX_AUDIO_CodingAAC",
-        "OMX_AUDIO_CodingMP3",
-        "OMX_AUDIO_CodingSBC",
-        "OMX_AUDIO_CodingVORBIS",
-        "OMX_AUDIO_CodingOPUS",
-        "OMX_AUDIO_CodingWMA",
-        "OMX_AUDIO_CodingRA",
-        "OMX_AUDIO_CodingMIDI",
-    };
-
-    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
-
-    if (type < 0 || (size_t)type >= numNames) {
-        return "UNKNOWN";
-    } else {
-        return kNames[type];
-    }
-}
-
-static const char *audioPCMModeString(OMX_AUDIO_PCMMODETYPE type) {
-    static const char *kNames[] = {
-        "OMX_AUDIO_PCMModeLinear",
-        "OMX_AUDIO_PCMModeALaw",
-        "OMX_AUDIO_PCMModeMULaw",
-    };
-
-    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
-
-    if (type < 0 || (size_t)type >= numNames) {
-        return "UNKNOWN";
-    } else {
-        return kNames[type];
-    }
-}
-
-static const char *amrBandModeString(OMX_AUDIO_AMRBANDMODETYPE type) {
-    static const char *kNames[] = {
-        "OMX_AUDIO_AMRBandModeUnused",
-        "OMX_AUDIO_AMRBandModeNB0",
-        "OMX_AUDIO_AMRBandModeNB1",
-        "OMX_AUDIO_AMRBandModeNB2",
-        "OMX_AUDIO_AMRBandModeNB3",
-        "OMX_AUDIO_AMRBandModeNB4",
-        "OMX_AUDIO_AMRBandModeNB5",
-        "OMX_AUDIO_AMRBandModeNB6",
-        "OMX_AUDIO_AMRBandModeNB7",
-        "OMX_AUDIO_AMRBandModeWB0",
-        "OMX_AUDIO_AMRBandModeWB1",
-        "OMX_AUDIO_AMRBandModeWB2",
-        "OMX_AUDIO_AMRBandModeWB3",
-        "OMX_AUDIO_AMRBandModeWB4",
-        "OMX_AUDIO_AMRBandModeWB5",
-        "OMX_AUDIO_AMRBandModeWB6",
-        "OMX_AUDIO_AMRBandModeWB7",
-        "OMX_AUDIO_AMRBandModeWB8",
-    };
-
-    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
-
-    if (type < 0 || (size_t)type >= numNames) {
-        return "UNKNOWN";
-    } else {
-        return kNames[type];
-    }
-}
-
-static const char *amrFrameFormatString(OMX_AUDIO_AMRFRAMEFORMATTYPE type) {
-    static const char *kNames[] = {
-        "OMX_AUDIO_AMRFrameFormatConformance",
-        "OMX_AUDIO_AMRFrameFormatIF1",
-        "OMX_AUDIO_AMRFrameFormatIF2",
-        "OMX_AUDIO_AMRFrameFormatFSF",
-        "OMX_AUDIO_AMRFrameFormatRTPPayload",
-        "OMX_AUDIO_AMRFrameFormatITU",
-    };
-
-    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
-
-    if (type < 0 || (size_t)type >= numNames) {
-        return "UNKNOWN";
-    } else {
-        return kNames[type];
-    }
-}
-
 void OMXCodec::dumpPortStatus(OMX_U32 portIndex) {
     OMX_PARAM_PORTDEFINITIONTYPE def;
     InitOMXParams(&def);
@@ -4319,10 +4107,10 @@
             printf("  nStride = %" PRIu32 "\n", imageDef->nStride);
 
             printf("  eCompressionFormat = %s\n",
-                   imageCompressionFormatString(imageDef->eCompressionFormat));
+                   asString(imageDef->eCompressionFormat));
 
             printf("  eColorFormat = %s\n",
-                   colorFormatString(imageDef->eColorFormat));
+                   asString(imageDef->eColorFormat));
 
             break;
         }
@@ -4338,10 +4126,10 @@
             printf("  nStride = %" PRIu32 "\n", videoDef->nStride);
 
             printf("  eCompressionFormat = %s\n",
-                   videoCompressionFormatString(videoDef->eCompressionFormat));
+                   asString(videoDef->eCompressionFormat));
 
             printf("  eColorFormat = %s\n",
-                   colorFormatString(videoDef->eColorFormat));
+                   asString(videoDef->eColorFormat));
 
             break;
         }
@@ -4353,7 +4141,7 @@
             printf("\n");
             printf("  // Audio\n");
             printf("  eEncoding = %s\n",
-                   audioCodingTypeString(audioDef->eEncoding));
+                   asString(audioDef->eEncoding));
 
             if (audioDef->eEncoding == OMX_AUDIO_CodingPCM) {
                 OMX_AUDIO_PARAM_PCMMODETYPE params;
@@ -4373,7 +4161,7 @@
                        params.eNumData == OMX_NumericalDataSigned
                         ? "signed" : "unsigned");
 
-                printf("  ePCMMode = %s\n", audioPCMModeString(params.ePCMMode));
+                printf("  ePCMMode = %s\n", asString(params.ePCMMode));
             } else if (audioDef->eEncoding == OMX_AUDIO_CodingAMR) {
                 OMX_AUDIO_PARAM_AMRTYPE amr;
                 InitOMXParams(&amr);
@@ -4385,9 +4173,9 @@
 
                 printf("  nChannels = %" PRIu32 "\n", amr.nChannels);
                 printf("  eAMRBandMode = %s\n",
-                        amrBandModeString(amr.eAMRBandMode));
+                        asString(amr.eAMRBandMode));
                 printf("  eAMRFrameFormat = %s\n",
-                        amrFrameFormatString(amr.eAMRFrameFormat));
+                        asString(amr.eAMRFrameFormat));
             }
 
             break;
@@ -4696,12 +4484,7 @@
         const char *componentName, const char *mime,
         bool isEncoder,
         CodecCapabilities *caps) {
-    if (strncmp(componentName, "OMX.", 4)) {
-        // Not an OpenMax component but a software codec.
-        caps->mFlags = 0;
-        caps->mComponentName = componentName;
-        return OK;
-    }
+    bool isVideo = !strncasecmp(mime, "video/", 6);
 
     sp<OMXCodecObserver> observer = new OMXCodecObserver;
     IOMX::node_id node;
@@ -4716,59 +4499,62 @@
     caps->mFlags = 0;
     caps->mComponentName = componentName;
 
-    OMX_VIDEO_PARAM_PROFILELEVELTYPE param;
-    InitOMXParams(&param);
+    // NOTE: OMX does not provide a way to query AAC profile support
+    if (isVideo) {
+        OMX_VIDEO_PARAM_PROFILELEVELTYPE param;
+        InitOMXParams(&param);
 
-    param.nPortIndex = !isEncoder ? 0 : 1;
+        param.nPortIndex = !isEncoder ? 0 : 1;
 
-    for (param.nProfileIndex = 0;; ++param.nProfileIndex) {
-        err = omx->getParameter(
-                node, OMX_IndexParamVideoProfileLevelQuerySupported,
-                &param, sizeof(param));
+        for (param.nProfileIndex = 0;; ++param.nProfileIndex) {
+            err = omx->getParameter(
+                    node, OMX_IndexParamVideoProfileLevelQuerySupported,
+                    &param, sizeof(param));
 
-        if (err != OK) {
-            break;
+            if (err != OK) {
+                break;
+            }
+
+            CodecProfileLevel profileLevel;
+            profileLevel.mProfile = param.eProfile;
+            profileLevel.mLevel = param.eLevel;
+
+            caps->mProfileLevels.push(profileLevel);
         }
 
-        CodecProfileLevel profileLevel;
-        profileLevel.mProfile = param.eProfile;
-        profileLevel.mLevel = param.eLevel;
+        // Color format query
+        // return colors in the order reported by the OMX component
+        // prefix "flexible" standard ones with the flexible equivalent
+        OMX_VIDEO_PARAM_PORTFORMATTYPE portFormat;
+        InitOMXParams(&portFormat);
+        portFormat.nPortIndex = !isEncoder ? 1 : 0;
+        for (portFormat.nIndex = 0;; ++portFormat.nIndex)  {
+            err = omx->getParameter(
+                    node, OMX_IndexParamVideoPortFormat,
+                    &portFormat, sizeof(portFormat));
+            if (err != OK) {
+                break;
+            }
 
-        caps->mProfileLevels.push(profileLevel);
-    }
-
-    // Color format query
-    // return colors in the order reported by the OMX component
-    // prefix "flexible" standard ones with the flexible equivalent
-    OMX_VIDEO_PARAM_PORTFORMATTYPE portFormat;
-    InitOMXParams(&portFormat);
-    portFormat.nPortIndex = !isEncoder ? 1 : 0;
-    for (portFormat.nIndex = 0;; ++portFormat.nIndex)  {
-        err = omx->getParameter(
-                node, OMX_IndexParamVideoPortFormat,
-                &portFormat, sizeof(portFormat));
-        if (err != OK) {
-            break;
-        }
-
-        OMX_U32 flexibleEquivalent;
-        if (ACodec::isFlexibleColorFormat(
-                    omx, node, portFormat.eColorFormat, &flexibleEquivalent)) {
-            bool marked = false;
-            for (size_t i = 0; i < caps->mColorFormats.size(); i++) {
-                if (caps->mColorFormats.itemAt(i) == flexibleEquivalent) {
-                    marked = true;
-                    break;
+            OMX_U32 flexibleEquivalent;
+            if (ACodec::isFlexibleColorFormat(
+                        omx, node, portFormat.eColorFormat, &flexibleEquivalent)) {
+                bool marked = false;
+                for (size_t i = 0; i < caps->mColorFormats.size(); i++) {
+                    if (caps->mColorFormats.itemAt(i) == flexibleEquivalent) {
+                        marked = true;
+                        break;
+                    }
+                }
+                if (!marked) {
+                    caps->mColorFormats.push(flexibleEquivalent);
                 }
             }
-            if (!marked) {
-                caps->mColorFormats.push(flexibleEquivalent);
-            }
+            caps->mColorFormats.push(portFormat.eColorFormat);
         }
-        caps->mColorFormats.push(portFormat.eColorFormat);
     }
 
-    if (!isEncoder && !strncmp(mime, "video/", 6)) {
+    if (isVideo && !isEncoder) {
         if (omx->storeMetaDataInBuffers(
                     node, 1 /* port index */, OMX_TRUE) == OK ||
             omx->prepareForAdaptivePlayback(
diff --git a/media/libstagefright/OggExtractor.cpp b/media/libstagefright/OggExtractor.cpp
index aeb8dd7..6e32494 100644
--- a/media/libstagefright/OggExtractor.cpp
+++ b/media/libstagefright/OggExtractor.cpp
@@ -38,6 +38,7 @@
     int _vorbis_unpack_books(vorbis_info *vi,oggpack_buffer *opb);
     int _vorbis_unpack_info(vorbis_info *vi,oggpack_buffer *opb);
     int _vorbis_unpack_comment(vorbis_comment *vc,oggpack_buffer *opb);
+    long vorbis_packet_blocksize(vorbis_info *vi,ogg_packet *op);
 }
 
 namespace android {
@@ -75,7 +76,7 @@
 
     status_t seekToTime(int64_t timeUs);
     status_t seekToOffset(off64_t offset);
-    status_t readNextPacket(MediaBuffer **buffer);
+    status_t readNextPacket(MediaBuffer **buffer, bool conf);
 
     status_t init();
 
@@ -84,6 +85,8 @@
 private:
     struct Page {
         uint64_t mGranulePosition;
+        int32_t mPrevPacketSize;
+        uint64_t mPrevPacketPos;
         uint32_t mSerialNo;
         uint32_t mPageNo;
         uint8_t mFlags;
@@ -121,6 +124,8 @@
     status_t verifyHeader(
             MediaBuffer *buffer, uint8_t type);
 
+    int32_t packetBlockSize(MediaBuffer *buffer);
+
     void parseFileMetaData();
 
     status_t findPrevGranulePosition(off64_t pageOffset, uint64_t *granulePos);
@@ -180,7 +185,7 @@
     }
 
     MediaBuffer *packet;
-    status_t err = mExtractor->mImpl->readNextPacket(&packet);
+    status_t err = mExtractor->mImpl->readNextPacket(&packet, /* conf = */ false);
 
     if (err != OK) {
         return err;
@@ -373,6 +378,7 @@
     mFirstPacketInPage = true;
     mCurrentPageSamples = 0;
     mCurrentPage.mNumSegments = 0;
+    mCurrentPage.mPrevPacketSize = -1;
     mNextLaceIndex = 0;
 
     // XXX what if new page continues packet from last???
@@ -451,7 +457,7 @@
     return sizeof(header) + page->mNumSegments + totalSize;
 }
 
-status_t MyVorbisExtractor::readNextPacket(MediaBuffer **out) {
+status_t MyVorbisExtractor::readNextPacket(MediaBuffer **out, bool conf) {
     *out = NULL;
 
     MediaBuffer *buffer = NULL;
@@ -489,16 +495,6 @@
                 tmp->set_range(0, buffer->range_length());
                 buffer->release();
             } else {
-                // XXX Not only is this not technically the correct time for
-                // this packet, we also stamp every packet in this page
-                // with the same time. This needs fixing later.
-
-                if (mVi.rate) {
-                    // Rate may not have been initialized yet if we're currently
-                    // reading the configuration packets...
-                    // Fortunately, the timestamp doesn't matter for those.
-                    timeUs = mCurrentPage.mGranulePosition * 1000000ll / mVi.rate;
-                }
                 tmp->set_range(0, 0);
             }
             buffer = tmp;
@@ -521,16 +517,32 @@
             if (gotFullPacket) {
                 // We've just read the entire packet.
 
-                if (timeUs >= 0) {
-                    buffer->meta_data()->setInt64(kKeyTime, timeUs);
-                }
-
                 if (mFirstPacketInPage) {
                     buffer->meta_data()->setInt32(
                             kKeyValidSamples, mCurrentPageSamples);
                     mFirstPacketInPage = false;
                 }
 
+                // ignore timestamp for configuration packets
+                if (!conf) {
+                    int32_t curBlockSize = packetBlockSize(buffer);
+                    if (mCurrentPage.mPrevPacketSize < 0) {
+                        mCurrentPage.mPrevPacketSize = curBlockSize;
+                        mCurrentPage.mPrevPacketPos =
+                                mCurrentPage.mGranulePosition - mCurrentPageSamples;
+                        timeUs = mCurrentPage.mPrevPacketPos * 1000000ll / mVi.rate;
+                    } else {
+                        // The effective block size is the average of the two overlapped blocks
+                        int32_t actualBlockSize =
+                                (curBlockSize + mCurrentPage.mPrevPacketSize) / 2;
+                        timeUs = mCurrentPage.mPrevPacketPos * 1000000ll / mVi.rate;
+                        // The actual size output by the decoder will be half the effective
+                        // size, due to the overlap
+                        mCurrentPage.mPrevPacketPos += actualBlockSize / 2;
+                        mCurrentPage.mPrevPacketSize = curBlockSize;
+                    }
+                    buffer->meta_data()->setInt64(kKeyTime, timeUs);
+                }
                 *out = buffer;
 
                 return OK;
@@ -591,7 +603,7 @@
 
     MediaBuffer *packet;
     status_t err;
-    if ((err = readNextPacket(&packet)) != OK) {
+    if ((err = readNextPacket(&packet, /* conf = */ true)) != OK) {
         return err;
     }
     ALOGV("read packet of size %zu\n", packet->range_length());
@@ -602,7 +614,7 @@
         return err;
     }
 
-    if ((err = readNextPacket(&packet)) != OK) {
+    if ((err = readNextPacket(&packet, /* conf = */ true)) != OK) {
         return err;
     }
     ALOGV("read packet of size %zu\n", packet->range_length());
@@ -613,7 +625,7 @@
         return err;
     }
 
-    if ((err = readNextPacket(&packet)) != OK) {
+    if ((err = readNextPacket(&packet, /* conf = */ true)) != OK) {
         return err;
     }
     ALOGV("read packet of size %zu\n", packet->range_length());
@@ -686,6 +698,35 @@
     }
 }
 
+int32_t MyVorbisExtractor::packetBlockSize(MediaBuffer *buffer) {
+    const uint8_t *data =
+        (const uint8_t *)buffer->data() + buffer->range_offset();
+
+    size_t size = buffer->range_length();
+
+    ogg_buffer buf;
+    buf.data = (uint8_t *)data;
+    buf.size = size;
+    buf.refcount = 1;
+    buf.ptr.owner = NULL;
+
+    ogg_reference ref;
+    ref.buffer = &buf;
+    ref.begin = 0;
+    ref.length = size;
+    ref.next = NULL;
+
+    ogg_packet pack;
+    pack.packet = &ref;
+    pack.bytes = ref.length;
+    pack.b_o_s = 0;
+    pack.e_o_s = 0;
+    pack.granulepos = 0;
+    pack.packetno = 0;
+
+    return vorbis_packet_blocksize(&mVi, &pack);
+}
+
 status_t MyVorbisExtractor::verifyHeader(
         MediaBuffer *buffer, uint8_t type) {
     const uint8_t *data =
@@ -730,6 +771,10 @@
             ALOGV("upper-bitrate = %ld", mVi.bitrate_upper);
             ALOGV("nominal-bitrate = %ld", mVi.bitrate_nominal);
             ALOGV("window-bitrate = %ld", mVi.bitrate_window);
+            ALOGV("blocksizes: %d/%d",
+                    vorbis_info_blocksize(&mVi, 0),
+                    vorbis_info_blocksize(&mVi, 1)
+                    );
 
             off64_t size;
             if (mSource->getSize(&size) == OK) {
diff --git a/media/libstagefright/SurfaceMediaSource.cpp b/media/libstagefright/SurfaceMediaSource.cpp
index 4e1c65c..530383b 100644
--- a/media/libstagefright/SurfaceMediaSource.cpp
+++ b/media/libstagefright/SurfaceMediaSource.cpp
@@ -448,7 +448,7 @@
 }
 
 // Part of the BufferQueue::ConsumerListener
-void SurfaceMediaSource::onFrameAvailable() {
+void SurfaceMediaSource::onFrameAvailable(const BufferItem& /* item */) {
     ALOGV("onFrameAvailable");
 
     sp<FrameAvailableListener> listener;
diff --git a/media/libstagefright/avc_utils.cpp b/media/libstagefright/avc_utils.cpp
index fc03607..5ec3438 100644
--- a/media/libstagefright/avc_utils.cpp
+++ b/media/libstagefright/avc_utils.cpp
@@ -222,28 +222,25 @@
     *nalStart = NULL;
     *nalSize = 0;
 
-    if (size == 0) {
+    if (size < 3) {
         return -EAGAIN;
     }
 
-    // Skip any number of leading 0x00.
-
     size_t offset = 0;
-    while (offset < size && data[offset] == 0x00) {
-        ++offset;
-    }
-
-    if (offset == size) {
-        return -EAGAIN;
-    }
 
     // A valid startcode consists of at least two 0x00 bytes followed by 0x01.
-
-    if (offset < 2 || data[offset] != 0x01) {
-        return ERROR_MALFORMED;
+    for (; offset + 2 < size; ++offset) {
+        if (data[offset + 2] == 0x01 && data[offset] == 0x00
+                && data[offset + 1] == 0x00) {
+            break;
+        }
     }
-
-    ++offset;
+    if (offset + 2 >= size) {
+        *_data = &data[offset];
+        *_size = 2;
+        return -EAGAIN;
+    }
+    offset += 3;
 
     size_t startOffset = offset;
 
diff --git a/media/libstagefright/codecs/aacdec/SoftAAC2.cpp b/media/libstagefright/codecs/aacdec/SoftAAC2.cpp
index 7209cb3..495bad0 100644
--- a/media/libstagefright/codecs/aacdec/SoftAAC2.cpp
+++ b/media/libstagefright/codecs/aacdec/SoftAAC2.cpp
@@ -929,30 +929,22 @@
         }
 
         if (mEndOfInput) {
-            if (outputDelayRingBufferSamplesAvailable() > 0
-                    && outputDelayRingBufferSamplesAvailable()
-                            < mStreamInfo->frameSize * mStreamInfo->numChannels) {
-                ALOGE("not a complete frame of samples available");
-                mSignalledError = true;
-                notify(OMX_EventError, OMX_ErrorUndefined, 0, NULL);
-                return;
-            }
-
-            if (mEndOfInput && !outQueue.empty() && outputDelayRingBufferSamplesAvailable() == 0) {
+            int ringBufAvail = outputDelayRingBufferSamplesAvailable();
+            if (!outQueue.empty()
+                    && ringBufAvail < mStreamInfo->frameSize * mStreamInfo->numChannels) {
                 if (!mEndOfOutput) {
-                    // send empty block signaling EOS
+                    // send partial or empty block signaling EOS
                     mEndOfOutput = true;
                     BufferInfo *outInfo = *outQueue.begin();
                     OMX_BUFFERHEADERTYPE *outHeader = outInfo->mHeader;
 
-                    if (outHeader->nOffset != 0) {
-                        ALOGE("outHeader->nOffset != 0 is not handled");
-                        mSignalledError = true;
-                        notify(OMX_EventError, OMX_ErrorUndefined, 0, NULL);
-                        return;
+                    INT_PCM *outBuffer = reinterpret_cast<INT_PCM *>(outHeader->pBuffer
+                            + outHeader->nOffset);
+                    int32_t ns = outputDelayRingBufferGetSamples(outBuffer, ringBufAvail);
+                    if (ns < 0) {
+                        ns = 0;
                     }
-
-                    outHeader->nFilledLen = 0;
+                    outHeader->nFilledLen = ns;
                     outHeader->nFlags = OMX_BUFFERFLAG_EOS;
 
                     outHeader->nTimeStamp = mBufferTimestamps.itemAt(0);
@@ -991,7 +983,7 @@
             }
             int32_t ns = outputDelayRingBufferGetSamples(0, avail);
             if (ns != avail) {
-                ALOGE("not a complete frame of samples available");
+                ALOGW("not a complete frame of samples available");
                 break;
             }
             mOutputBufferCount++;
diff --git a/media/libstagefright/codecs/avc/enc/SoftAVCEncoder.cpp b/media/libstagefright/codecs/avc/enc/SoftAVCEncoder.cpp
index 1513b0b..928a74f 100644
--- a/media/libstagefright/codecs/avc/enc/SoftAVCEncoder.cpp
+++ b/media/libstagefright/codecs/avc/enc/SoftAVCEncoder.cpp
@@ -17,6 +17,7 @@
 //#define LOG_NDEBUG 0
 #define LOG_TAG "SoftAVCEncoder"
 #include <utils/Log.h>
+#include <utils/misc.h>
 
 #include "avcenc_api.h"
 #include "avcenc_int.h"
@@ -25,6 +26,7 @@
 #include <HardwareAPI.h>
 #include <MetadataBufferType.h>
 #include <media/stagefright/foundation/ADebug.h>
+#include <media/stagefright/foundation/AUtils.h>
 #include <media/stagefright/MediaDefs.h>
 #include <media/stagefright/MediaErrors.h>
 #include <media/stagefright/MetaData.h>
@@ -51,31 +53,36 @@
     params->nVersion.s.nStep = 0;
 }
 
+static const CodecProfileLevel kProfileLevels[] = {
+    { OMX_VIDEO_AVCProfileBaseline, OMX_VIDEO_AVCLevel2  },
+};
+
 typedef struct LevelConversion {
     OMX_U32 omxLevel;
     AVCLevel avcLevel;
+    uint32_t maxMacroBlocks;
 } LevelConcersion;
 
 static LevelConversion ConversionTable[] = {
-    { OMX_VIDEO_AVCLevel1,  AVC_LEVEL1_B },
-    { OMX_VIDEO_AVCLevel1b, AVC_LEVEL1   },
-    { OMX_VIDEO_AVCLevel11, AVC_LEVEL1_1 },
-    { OMX_VIDEO_AVCLevel12, AVC_LEVEL1_2 },
-    { OMX_VIDEO_AVCLevel13, AVC_LEVEL1_3 },
-    { OMX_VIDEO_AVCLevel2,  AVC_LEVEL2 },
+    { OMX_VIDEO_AVCLevel1,  AVC_LEVEL1_B, 99 },
+    { OMX_VIDEO_AVCLevel1b, AVC_LEVEL1,   99 },
+    { OMX_VIDEO_AVCLevel11, AVC_LEVEL1_1, 396 },
+    { OMX_VIDEO_AVCLevel12, AVC_LEVEL1_2, 396 },
+    { OMX_VIDEO_AVCLevel13, AVC_LEVEL1_3, 396 },
+    { OMX_VIDEO_AVCLevel2,  AVC_LEVEL2,   396 },
 #if 0
-    // encoding speed is very poor if video
-    // resolution is higher than CIF
-    { OMX_VIDEO_AVCLevel21, AVC_LEVEL2_1 },
-    { OMX_VIDEO_AVCLevel22, AVC_LEVEL2_2 },
-    { OMX_VIDEO_AVCLevel3,  AVC_LEVEL3   },
-    { OMX_VIDEO_AVCLevel31, AVC_LEVEL3_1 },
-    { OMX_VIDEO_AVCLevel32, AVC_LEVEL3_2 },
-    { OMX_VIDEO_AVCLevel4,  AVC_LEVEL4   },
-    { OMX_VIDEO_AVCLevel41, AVC_LEVEL4_1 },
-    { OMX_VIDEO_AVCLevel42, AVC_LEVEL4_2 },
-    { OMX_VIDEO_AVCLevel5,  AVC_LEVEL5   },
-    { OMX_VIDEO_AVCLevel51, AVC_LEVEL5_1 },
+    // encoding speed is very poor if video resolution
+    // is higher than CIF or if level is higher than 2
+    { OMX_VIDEO_AVCLevel21, AVC_LEVEL2_1, 792 },
+    { OMX_VIDEO_AVCLevel22, AVC_LEVEL2_2, 1620 },
+    { OMX_VIDEO_AVCLevel3,  AVC_LEVEL3,   1620 },
+    { OMX_VIDEO_AVCLevel31, AVC_LEVEL3_1, 3600 },
+    { OMX_VIDEO_AVCLevel32, AVC_LEVEL3_2, 5120 },
+    { OMX_VIDEO_AVCLevel4,  AVC_LEVEL4,   8192 },
+    { OMX_VIDEO_AVCLevel41, AVC_LEVEL4_1, 8192 },
+    { OMX_VIDEO_AVCLevel42, AVC_LEVEL4_2, 8704 },
+    { OMX_VIDEO_AVCLevel5,  AVC_LEVEL5,   22080 },
+    { OMX_VIDEO_AVCLevel51, AVC_LEVEL5_1, 36864 },
 #endif
 };
 
@@ -148,13 +155,11 @@
             const OMX_CALLBACKTYPE *callbacks,
             OMX_PTR appData,
             OMX_COMPONENTTYPE **component)
-    : SoftVideoEncoderOMXComponent(name, callbacks, appData, component),
-      mVideoWidth(176),
-      mVideoHeight(144),
-      mVideoFrameRate(30),
-      mVideoBitRate(192000),
-      mVideoColorFormat(OMX_COLOR_FormatYUV420Planar),
-      mStoreMetaDataInBuffers(false),
+    : SoftVideoEncoderOMXComponent(
+            name, "video_encoder.avc", OMX_VIDEO_CodingAVC,
+            kProfileLevels, NELEM(kProfileLevels),
+            176 /* width */, 144 /* height */,
+            callbacks, appData, component),
       mIDRFrameRefreshIntervalInSec(1),
       mAVCEncProfile(AVC_BASELINE),
       mAVCEncLevel(AVC_LEVEL2),
@@ -168,7 +173,13 @@
       mInputFrameData(NULL),
       mSliceGroup(NULL) {
 
-    initPorts();
+    const size_t kOutputBufferSize =
+        320 * ConversionTable[NELEM(ConversionTable) - 1].maxMacroBlocks;
+
+    initPorts(
+            kNumBuffers, kNumBuffers, kOutputBufferSize,
+            MEDIA_MIMETYPE_VIDEO_AVC, 2 /* minCompressionRatio */);
+
     ALOGI("Construct SoftAVCEncoder");
 }
 
@@ -230,30 +241,28 @@
 
     mEncParams->use_overrun_buffer = AVC_OFF;
 
-    if (mVideoColorFormat != OMX_COLOR_FormatYUV420Planar
-            || mStoreMetaDataInBuffers) {
+    if (mColorFormat != OMX_COLOR_FormatYUV420Planar || mInputDataIsMeta) {
         // Color conversion is needed.
         free(mInputFrameData);
         mInputFrameData =
-            (uint8_t *) malloc((mVideoWidth * mVideoHeight * 3 ) >> 1);
+            (uint8_t *) malloc((mWidth * mHeight * 3 ) >> 1);
         CHECK(mInputFrameData != NULL);
     }
 
     // PV's AVC encoder requires the video dimension of multiple
-    if (mVideoWidth % 16 != 0 || mVideoHeight % 16 != 0) {
+    if (mWidth % 16 != 0 || mHeight % 16 != 0) {
         ALOGE("Video frame size %dx%d must be a multiple of 16",
-            mVideoWidth, mVideoHeight);
+            mWidth, mHeight);
         return OMX_ErrorBadParameter;
     }
 
-    mEncParams->width = mVideoWidth;
-    mEncParams->height = mVideoHeight;
-    mEncParams->bitrate = mVideoBitRate;
-    mEncParams->frame_rate = 1000 * mVideoFrameRate;  // In frames/ms!
-    mEncParams->CPB_size = (uint32_t) (mVideoBitRate >> 1);
+    mEncParams->width = mWidth;
+    mEncParams->height = mHeight;
+    mEncParams->bitrate = mBitrate;
+    mEncParams->frame_rate = (1000 * mFramerate) >> 16;  // In frames/ms!, mFramerate is in Q16
+    mEncParams->CPB_size = (uint32_t) (mBitrate >> 1);
 
-    int32_t nMacroBlocks = ((((mVideoWidth + 15) >> 4) << 4) *
-            (((mVideoHeight + 15) >> 4) << 4)) >> 8;
+    int32_t nMacroBlocks = divUp(mWidth, 16) * divUp(mHeight, 16);
     CHECK(mSliceGroup == NULL);
     mSliceGroup = (uint32_t *) malloc(sizeof(uint32_t) * nMacroBlocks);
     CHECK(mSliceGroup != NULL);
@@ -272,7 +281,7 @@
         mEncParams->idr_period = 1;  // All I frames
     } else {
         mEncParams->idr_period =
-            (mIDRFrameRefreshIntervalInSec * mVideoFrameRate);
+            (mIDRFrameRefreshIntervalInSec * mFramerate) >> 16; // mFramerate is in Q16
     }
 
     // Set profile and level
@@ -345,71 +354,9 @@
     mOutputBuffers.clear();
 }
 
-void SoftAVCEncoder::initPorts() {
-    OMX_PARAM_PORTDEFINITIONTYPE def;
-    InitOMXParams(&def);
-
-    const size_t kInputBufferSize = (mVideoWidth * mVideoHeight * 3) >> 1;
-
-    // 31584 is PV's magic number.  Not sure why.
-    const size_t kOutputBufferSize =
-            (kInputBufferSize > 31584) ? kInputBufferSize: 31584;
-
-    def.nPortIndex = 0;
-    def.eDir = OMX_DirInput;
-    def.nBufferCountMin = kNumBuffers;
-    def.nBufferCountActual = def.nBufferCountMin;
-    def.nBufferSize = kInputBufferSize;
-    def.bEnabled = OMX_TRUE;
-    def.bPopulated = OMX_FALSE;
-    def.eDomain = OMX_PortDomainVideo;
-    def.bBuffersContiguous = OMX_FALSE;
-    def.nBufferAlignment = 1;
-
-    def.format.video.cMIMEType = const_cast<char *>("video/raw");
-    def.format.video.eCompressionFormat = OMX_VIDEO_CodingUnused;
-    def.format.video.eColorFormat = OMX_COLOR_FormatYUV420Planar;
-    def.format.video.xFramerate = (mVideoFrameRate << 16);  // Q16 format
-    def.format.video.nBitrate = mVideoBitRate;
-    def.format.video.nFrameWidth = mVideoWidth;
-    def.format.video.nFrameHeight = mVideoHeight;
-    def.format.video.nStride = mVideoWidth;
-    def.format.video.nSliceHeight = mVideoHeight;
-
-    addPort(def);
-
-    def.nPortIndex = 1;
-    def.eDir = OMX_DirOutput;
-    def.nBufferCountMin = kNumBuffers;
-    def.nBufferCountActual = def.nBufferCountMin;
-    def.nBufferSize = kOutputBufferSize;
-    def.bEnabled = OMX_TRUE;
-    def.bPopulated = OMX_FALSE;
-    def.eDomain = OMX_PortDomainVideo;
-    def.bBuffersContiguous = OMX_FALSE;
-    def.nBufferAlignment = 2;
-
-    def.format.video.cMIMEType = const_cast<char *>("video/avc");
-    def.format.video.eCompressionFormat = OMX_VIDEO_CodingAVC;
-    def.format.video.eColorFormat = OMX_COLOR_FormatUnused;
-    def.format.video.xFramerate = (0 << 16);  // Q16 format
-    def.format.video.nBitrate = mVideoBitRate;
-    def.format.video.nFrameWidth = mVideoWidth;
-    def.format.video.nFrameHeight = mVideoHeight;
-    def.format.video.nStride = mVideoWidth;
-    def.format.video.nSliceHeight = mVideoHeight;
-
-    addPort(def);
-}
-
 OMX_ERRORTYPE SoftAVCEncoder::internalGetParameter(
         OMX_INDEXTYPE index, OMX_PTR params) {
     switch (index) {
-        case OMX_IndexParamVideoErrorCorrection:
-        {
-            return OMX_ErrorNotImplemented;
-        }
-
         case OMX_IndexParamVideoBitrate:
         {
             OMX_VIDEO_PARAM_BITRATETYPE *bitRate =
@@ -420,37 +367,7 @@
             }
 
             bitRate->eControlRate = OMX_Video_ControlRateVariable;
-            bitRate->nTargetBitrate = mVideoBitRate;
-            return OMX_ErrorNone;
-        }
-
-        case OMX_IndexParamVideoPortFormat:
-        {
-            OMX_VIDEO_PARAM_PORTFORMATTYPE *formatParams =
-                (OMX_VIDEO_PARAM_PORTFORMATTYPE *)params;
-
-            if (formatParams->nPortIndex > 1) {
-                return OMX_ErrorUndefined;
-            }
-
-            if (formatParams->nIndex > 2) {
-                return OMX_ErrorNoMore;
-            }
-
-            if (formatParams->nPortIndex == 0) {
-                formatParams->eCompressionFormat = OMX_VIDEO_CodingUnused;
-                if (formatParams->nIndex == 0) {
-                    formatParams->eColorFormat = OMX_COLOR_FormatYUV420Planar;
-                } else if (formatParams->nIndex == 1) {
-                    formatParams->eColorFormat = OMX_COLOR_FormatYUV420SemiPlanar;
-                } else {
-                    formatParams->eColorFormat = OMX_COLOR_FormatAndroidOpaque;
-                }
-            } else {
-                formatParams->eCompressionFormat = OMX_VIDEO_CodingAVC;
-                formatParams->eColorFormat = OMX_COLOR_FormatUnused;
-            }
-
+            bitRate->nTargetBitrate = mBitrate;
             return OMX_ErrorNone;
         }
 
@@ -487,30 +404,8 @@
             return OMX_ErrorNone;
         }
 
-        case OMX_IndexParamVideoProfileLevelQuerySupported:
-        {
-            OMX_VIDEO_PARAM_PROFILELEVELTYPE *profileLevel =
-                (OMX_VIDEO_PARAM_PROFILELEVELTYPE *)params;
-
-            if (profileLevel->nPortIndex != 1) {
-                return OMX_ErrorUndefined;
-            }
-
-            const size_t size =
-                    sizeof(ConversionTable) / sizeof(ConversionTable[0]);
-
-            if (profileLevel->nProfileIndex >= size) {
-                return OMX_ErrorNoMore;
-            }
-
-            profileLevel->eProfile = OMX_VIDEO_AVCProfileBaseline;
-            profileLevel->eLevel = ConversionTable[profileLevel->nProfileIndex].omxLevel;
-
-            return OMX_ErrorNone;
-        }
-
         default:
-            return SimpleSoftOMXComponent::internalGetParameter(index, params);
+            return SoftVideoEncoderOMXComponent::internalGetParameter(index, params);
     }
 }
 
@@ -519,11 +414,6 @@
     int32_t indexFull = index;
 
     switch (indexFull) {
-        case OMX_IndexParamVideoErrorCorrection:
-        {
-            return OMX_ErrorNotImplemented;
-        }
-
         case OMX_IndexParamVideoBitrate:
         {
             OMX_VIDEO_PARAM_BITRATETYPE *bitRate =
@@ -534,105 +424,7 @@
                 return OMX_ErrorUndefined;
             }
 
-            mVideoBitRate = bitRate->nTargetBitrate;
-            return OMX_ErrorNone;
-        }
-
-        case OMX_IndexParamPortDefinition:
-        {
-            OMX_PARAM_PORTDEFINITIONTYPE *def =
-                (OMX_PARAM_PORTDEFINITIONTYPE *)params;
-            if (def->nPortIndex > 1) {
-                return OMX_ErrorUndefined;
-            }
-
-            if (def->nPortIndex == 0) {
-                if (def->format.video.eCompressionFormat != OMX_VIDEO_CodingUnused ||
-                    (def->format.video.eColorFormat != OMX_COLOR_FormatYUV420Planar &&
-                     def->format.video.eColorFormat != OMX_COLOR_FormatYUV420SemiPlanar &&
-                     def->format.video.eColorFormat != OMX_COLOR_FormatAndroidOpaque)) {
-                    return OMX_ErrorUndefined;
-                }
-            } else {
-                if (def->format.video.eCompressionFormat != OMX_VIDEO_CodingAVC ||
-                    (def->format.video.eColorFormat != OMX_COLOR_FormatUnused)) {
-                    return OMX_ErrorUndefined;
-                }
-            }
-
-            OMX_ERRORTYPE err = SimpleSoftOMXComponent::internalSetParameter(index, params);
-            if (OMX_ErrorNone != err) {
-                return err;
-            }
-
-            if (def->nPortIndex == 0) {
-                mVideoWidth = def->format.video.nFrameWidth;
-                mVideoHeight = def->format.video.nFrameHeight;
-                mVideoFrameRate = def->format.video.xFramerate >> 16;
-                mVideoColorFormat = def->format.video.eColorFormat;
-
-                OMX_PARAM_PORTDEFINITIONTYPE *portDef =
-                    &editPortInfo(0)->mDef;
-                portDef->format.video.nFrameWidth = mVideoWidth;
-                portDef->format.video.nFrameHeight = mVideoHeight;
-                portDef->format.video.xFramerate = def->format.video.xFramerate;
-                portDef->format.video.eColorFormat =
-                    (OMX_COLOR_FORMATTYPE) mVideoColorFormat;
-                portDef = &editPortInfo(1)->mDef;
-                portDef->format.video.nFrameWidth = mVideoWidth;
-                portDef->format.video.nFrameHeight = mVideoHeight;
-            } else {
-                mVideoBitRate = def->format.video.nBitrate;
-            }
-
-            return OMX_ErrorNone;
-        }
-
-        case OMX_IndexParamStandardComponentRole:
-        {
-            const OMX_PARAM_COMPONENTROLETYPE *roleParams =
-                (const OMX_PARAM_COMPONENTROLETYPE *)params;
-
-            if (strncmp((const char *)roleParams->cRole,
-                        "video_encoder.avc",
-                        OMX_MAX_STRINGNAME_SIZE - 1)) {
-                return OMX_ErrorUndefined;
-            }
-
-            return OMX_ErrorNone;
-        }
-
-        case OMX_IndexParamVideoPortFormat:
-        {
-            const OMX_VIDEO_PARAM_PORTFORMATTYPE *formatParams =
-                (const OMX_VIDEO_PARAM_PORTFORMATTYPE *)params;
-
-            if (formatParams->nPortIndex > 1) {
-                return OMX_ErrorUndefined;
-            }
-
-            if (formatParams->nIndex > 2) {
-                return OMX_ErrorNoMore;
-            }
-
-            if (formatParams->nPortIndex == 0) {
-                if (formatParams->eCompressionFormat != OMX_VIDEO_CodingUnused ||
-                    ((formatParams->nIndex == 0 &&
-                      formatParams->eColorFormat != OMX_COLOR_FormatYUV420Planar) ||
-                    (formatParams->nIndex == 1 &&
-                     formatParams->eColorFormat != OMX_COLOR_FormatYUV420SemiPlanar) ||
-                    (formatParams->nIndex == 2 &&
-                     formatParams->eColorFormat != OMX_COLOR_FormatAndroidOpaque) )) {
-                    return OMX_ErrorUndefined;
-                }
-                mVideoColorFormat = formatParams->eColorFormat;
-            } else {
-                if (formatParams->eCompressionFormat != OMX_VIDEO_CodingAVC ||
-                    formatParams->eColorFormat != OMX_COLOR_FormatUnused) {
-                    return OMX_ErrorUndefined;
-                }
-            }
-
+            mBitrate = bitRate->nTargetBitrate;
             return OMX_ErrorNone;
         }
 
@@ -669,29 +461,8 @@
             return OMX_ErrorNone;
         }
 
-        case kStoreMetaDataExtensionIndex:
-        {
-            StoreMetaDataInBuffersParams *storeParams =
-                    (StoreMetaDataInBuffersParams*)params;
-            if (storeParams->nPortIndex != 0) {
-                ALOGE("%s: StoreMetadataInBuffersParams.nPortIndex not zero!",
-                        __FUNCTION__);
-                return OMX_ErrorUndefined;
-            }
-
-            mStoreMetaDataInBuffers = storeParams->bStoreMetaData;
-            ALOGV("StoreMetaDataInBuffers set to: %s",
-                    mStoreMetaDataInBuffers ? " true" : "false");
-
-            if (mStoreMetaDataInBuffers) {
-                mVideoColorFormat = OMX_COLOR_FormatAndroidOpaque;
-            }
-
-            return OMX_ErrorNone;
-        }
-
         default:
-            return SimpleSoftOMXComponent::internalSetParameter(index, params);
+            return SoftVideoEncoderOMXComponent::internalSetParameter(index, params);
     }
 }
 
@@ -785,16 +556,16 @@
             if (inHeader->nFilledLen > 0) {
                 AVCFrameIO videoInput;
                 memset(&videoInput, 0, sizeof(videoInput));
-                videoInput.height = ((mVideoHeight  + 15) >> 4) << 4;
-                videoInput.pitch = ((mVideoWidth + 15) >> 4) << 4;
+                videoInput.height = align(mHeight, 16);
+                videoInput.pitch = align(mWidth, 16);
                 videoInput.coding_timestamp = (inHeader->nTimeStamp + 500) / 1000;  // in ms
                 const uint8_t *inputData = NULL;
-                if (mStoreMetaDataInBuffers) {
+                if (mInputDataIsMeta) {
                     inputData =
                         extractGraphicBuffer(
-                                mInputFrameData, (mVideoWidth * mVideoHeight * 3) >> 1,
+                                mInputFrameData, (mWidth * mHeight * 3) >> 1,
                                 inHeader->pBuffer + inHeader->nOffset, inHeader->nFilledLen,
-                                mVideoWidth, mVideoHeight);
+                                mWidth, mHeight);
                     if (inputData == NULL) {
                         ALOGE("Unable to extract gralloc buffer in metadata mode");
                         mSignalledError = true;
@@ -804,9 +575,9 @@
                     // TODO: Verify/convert pixel format enum
                 } else {
                     inputData = (const uint8_t *)inHeader->pBuffer + inHeader->nOffset;
-                    if (mVideoColorFormat != OMX_COLOR_FormatYUV420Planar) {
+                    if (mColorFormat != OMX_COLOR_FormatYUV420Planar) {
                         ConvertYUV420SemiPlanarToYUV420Planar(
-                            inputData, mInputFrameData, mVideoWidth, mVideoHeight);
+                            inputData, mInputFrameData, mWidth, mHeight);
                         inputData = mInputFrameData;
                     }
                 }
diff --git a/media/libstagefright/codecs/avc/enc/SoftAVCEncoder.h b/media/libstagefright/codecs/avc/enc/SoftAVCEncoder.h
index 3e6cd0a..81de109 100644
--- a/media/libstagefright/codecs/avc/enc/SoftAVCEncoder.h
+++ b/media/libstagefright/codecs/avc/enc/SoftAVCEncoder.h
@@ -66,12 +66,6 @@
         int32_t mFlags;
     } InputBufferInfo;
 
-    int32_t  mVideoWidth;
-    int32_t  mVideoHeight;
-    int32_t  mVideoFrameRate;
-    int32_t  mVideoBitRate;
-    int32_t  mVideoColorFormat;
-    bool     mStoreMetaDataInBuffers;
     int32_t  mIDRFrameRefreshIntervalInSec;
     AVCProfile mAVCEncProfile;
     AVCLevel   mAVCEncLevel;
@@ -92,7 +86,6 @@
     Vector<MediaBuffer *> mOutputBuffers;
     Vector<InputBufferInfo> mInputBufferInfoVec;
 
-    void initPorts();
     OMX_ERRORTYPE initEncParams();
     OMX_ERRORTYPE initEncoder();
     OMX_ERRORTYPE releaseEncoder();
diff --git a/media/libstagefright/codecs/hevcdec/SoftHEVC.cpp b/media/libstagefright/codecs/hevcdec/SoftHEVC.cpp
index f4cba54..cddd176 100644
--- a/media/libstagefright/codecs/hevcdec/SoftHEVC.cpp
+++ b/media/libstagefright/codecs/hevcdec/SoftHEVC.cpp
@@ -26,6 +26,7 @@
 #include "SoftHEVC.h"
 
 #include <media/stagefright/foundation/ADebug.h>
+#include <media/stagefright/foundation/AUtils.h>
 #include <media/stagefright/MediaDefs.h>
 #include <OMX_VideoExt.h>
 
@@ -75,8 +76,12 @@
       mNewWidth(mWidth),
       mNewHeight(mHeight),
       mChangingResolution(false) {
-    initPorts(kNumBuffers, INPUT_BUF_SIZE, kNumBuffers,
-            CODEC_MIME_TYPE);
+    const size_t kMinCompressionRatio = 4 /* compressionRatio (for Level 4+) */;
+    const size_t kMaxOutputBufferSize = 2048 * 2048 * 3 / 2;
+    // INPUT_BUF_SIZE is given by HEVC codec as minimum input size
+    initPorts(
+            kNumBuffers, max(kMaxOutputBufferSize / kMinCompressionRatio, (size_t)INPUT_BUF_SIZE),
+            kNumBuffers, CODEC_MIME_TYPE, kMinCompressionRatio);
     CHECK_EQ(initDecoder(), (status_t)OK);
 }
 
@@ -644,7 +649,7 @@
             // The decoder should be fixed so that |u4_error_code| instead of |status| returns
             // IHEVCD_UNSUPPORTED_DIMENSIONS.
             bool unsupportedDimensions =
-                ((IHEVCD_UNSUPPORTED_DIMENSIONS == status)
+                ((IHEVCD_UNSUPPORTED_DIMENSIONS == (IHEVCD_CXA_ERROR_CODES_T)status)
                     || (IHEVCD_UNSUPPORTED_DIMENSIONS == s_dec_op.u4_error_code));
             bool resChanged = (IVD_RES_CHANGED == (s_dec_op.u4_error_code & 0xFF));
 
diff --git a/media/libstagefright/codecs/m4v_h263/dec/SoftMPEG4.cpp b/media/libstagefright/codecs/m4v_h263/dec/SoftMPEG4.cpp
index 142969c..ede645c 100644
--- a/media/libstagefright/codecs/m4v_h263/dec/SoftMPEG4.cpp
+++ b/media/libstagefright/codecs/m4v_h263/dec/SoftMPEG4.cpp
@@ -21,6 +21,7 @@
 #include "SoftMPEG4.h"
 
 #include <media/stagefright/foundation/ADebug.h>
+#include <media/stagefright/foundation/AUtils.h>
 #include <media/stagefright/MediaDefs.h>
 #include <media/stagefright/MediaErrors.h>
 #include <media/IOMX.h>
@@ -70,7 +71,7 @@
       mPvTime(0) {
     initPorts(
             kNumInputBuffers,
-            8192 /* inputBufferSize */,
+            352 * 288 * 3 / 2 /* minInputBufferSize */,
             kNumOutputBuffers,
             (mMode == MODE_MPEG4)
             ? MEDIA_MIMETYPE_VIDEO_MPEG4 : MEDIA_MIMETYPE_VIDEO_H263);
@@ -353,14 +354,14 @@
     }
 }
 
-void SoftMPEG4::updatePortDefinitions(bool updateCrop) {
-    SoftVideoDecoderOMXComponent::updatePortDefinitions(updateCrop);
+void SoftMPEG4::updatePortDefinitions(bool updateCrop, bool updateInputSize) {
+    SoftVideoDecoderOMXComponent::updatePortDefinitions(updateCrop, updateInputSize);
 
     /* We have to align our width and height - this should affect stride! */
     OMX_PARAM_PORTDEFINITIONTYPE *def = &editPortInfo(kOutputPortIndex)->mDef;
-    def->nBufferSize =
-        (((def->format.video.nFrameWidth + 15) & -16)
-            * ((def->format.video.nFrameHeight + 15) & -16) * 3) / 2;
+    def->format.video.nStride = align(def->format.video.nStride, 16);
+    def->format.video.nSliceHeight = align(def->format.video.nSliceHeight, 16);
+    def->nBufferSize = (def->format.video.nStride * def->format.video.nSliceHeight * 3) / 2;
 }
 
 }  // namespace android
@@ -382,5 +383,6 @@
     } else {
         CHECK(!"Unknown component");
     }
+    return NULL;
 }
 
diff --git a/media/libstagefright/codecs/m4v_h263/dec/SoftMPEG4.h b/media/libstagefright/codecs/m4v_h263/dec/SoftMPEG4.h
index 31577e2..4114e7d 100644
--- a/media/libstagefright/codecs/m4v_h263/dec/SoftMPEG4.h
+++ b/media/libstagefright/codecs/m4v_h263/dec/SoftMPEG4.h
@@ -66,7 +66,7 @@
 
     status_t initDecoder();
 
-    virtual void updatePortDefinitions(bool updateCrop = true);
+    virtual void updatePortDefinitions(bool updateCrop = true, bool updateInputSize = false);
     bool handlePortSettingsChange();
 
     DISALLOW_EVIL_CONSTRUCTORS(SoftMPEG4);
diff --git a/media/libstagefright/codecs/m4v_h263/enc/SoftMPEG4Encoder.cpp b/media/libstagefright/codecs/m4v_h263/enc/SoftMPEG4Encoder.cpp
index 28edff8..8240f83 100644
--- a/media/libstagefright/codecs/m4v_h263/enc/SoftMPEG4Encoder.cpp
+++ b/media/libstagefright/codecs/m4v_h263/enc/SoftMPEG4Encoder.cpp
@@ -17,6 +17,7 @@
 //#define LOG_NDEBUG 0
 #define LOG_TAG "SoftMPEG4Encoder"
 #include <utils/Log.h>
+#include <utils/misc.h>
 
 #include "mp4enc_api.h"
 #include "OMX_Video.h"
@@ -24,6 +25,7 @@
 #include <HardwareAPI.h>
 #include <MetadataBufferType.h>
 #include <media/stagefright/foundation/ADebug.h>
+#include <media/stagefright/foundation/AUtils.h>
 #include <media/stagefright/MediaDefs.h>
 #include <media/stagefright/MediaErrors.h>
 #include <media/stagefright/MetaData.h>
@@ -46,19 +48,30 @@
     params->nVersion.s.nStep = 0;
 }
 
+static const CodecProfileLevel kMPEG4ProfileLevels[] = {
+    { OMX_VIDEO_MPEG4ProfileCore, OMX_VIDEO_MPEG4Level2 },
+};
+
+static const CodecProfileLevel kH263ProfileLevels[] = {
+    { OMX_VIDEO_H263ProfileBaseline, OMX_VIDEO_H263Level45 },
+};
+
 SoftMPEG4Encoder::SoftMPEG4Encoder(
             const char *name,
+            const char *componentRole,
+            OMX_VIDEO_CODINGTYPE codingType,
+            const char *mime,
+            const CodecProfileLevel *profileLevels,
+            size_t numProfileLevels,
             const OMX_CALLBACKTYPE *callbacks,
             OMX_PTR appData,
             OMX_COMPONENTTYPE **component)
-    : SoftVideoEncoderOMXComponent(name, callbacks, appData, component),
+    : SoftVideoEncoderOMXComponent(
+            name, componentRole, codingType,
+            profileLevels, numProfileLevels,
+            176 /* width */, 144 /* height */,
+            callbacks, appData, component),
       mEncodeMode(COMBINE_MODE_WITH_ERR_RES),
-      mVideoWidth(176),
-      mVideoHeight(144),
-      mVideoFrameRate(30),
-      mVideoBitRate(192000),
-      mVideoColorFormat(OMX_COLOR_FormatYUV420Planar),
-      mStoreMetaDataInBuffers(false),
       mIDRFrameRefreshIntervalInSec(1),
       mNumInputFrames(-1),
       mStarted(false),
@@ -68,13 +81,15 @@
       mEncParams(new tagvideoEncOptions),
       mInputFrameData(NULL) {
 
-   if (!strcmp(name, "OMX.google.h263.encoder")) {
+    if (codingType == OMX_VIDEO_CodingH263) {
         mEncodeMode = H263_MODE;
-    } else {
-        CHECK(!strcmp(name, "OMX.google.mpeg4.encoder"));
     }
 
-    initPorts();
+    // 256 * 1024 is a magic number for PV's encoder, not sure why
+    const size_t kOutputBufferSize = 256 * 1024;
+
+    initPorts(kNumBuffers, kNumBuffers, kOutputBufferSize, mime);
+
     ALOGI("Construct SoftMPEG4Encoder");
 }
 
@@ -98,9 +113,9 @@
         return OMX_ErrorUndefined;
     }
     mEncParams->encMode = mEncodeMode;
-    mEncParams->encWidth[0] = mVideoWidth;
-    mEncParams->encHeight[0] = mVideoHeight;
-    mEncParams->encFrameRate[0] = mVideoFrameRate;
+    mEncParams->encWidth[0] = mWidth;
+    mEncParams->encHeight[0] = mHeight;
+    mEncParams->encFrameRate[0] = mFramerate >> 16; // mFramerate is in Q16 format
     mEncParams->rcType = VBR_1;
     mEncParams->vbvDelay = 5.0f;
 
@@ -111,27 +126,26 @@
     mEncParams->rvlcEnable = PV_OFF;
     mEncParams->numLayers = 1;
     mEncParams->timeIncRes = 1000;
-    mEncParams->tickPerSrc = mEncParams->timeIncRes / mVideoFrameRate;
+    mEncParams->tickPerSrc = ((int64_t)mEncParams->timeIncRes << 16) / mFramerate;
 
-    mEncParams->bitRate[0] = mVideoBitRate;
+    mEncParams->bitRate[0] = mBitrate;
     mEncParams->iQuant[0] = 15;
     mEncParams->pQuant[0] = 12;
     mEncParams->quantType[0] = 0;
     mEncParams->noFrameSkipped = PV_OFF;
 
-    if (mVideoColorFormat != OMX_COLOR_FormatYUV420Planar
-            || mStoreMetaDataInBuffers) {
+    if (mColorFormat != OMX_COLOR_FormatYUV420Planar || mInputDataIsMeta) {
         // Color conversion is needed.
         free(mInputFrameData);
         mInputFrameData =
-            (uint8_t *) malloc((mVideoWidth * mVideoHeight * 3 ) >> 1);
+            (uint8_t *) malloc((mWidth * mHeight * 3 ) >> 1);
         CHECK(mInputFrameData != NULL);
     }
 
     // PV's MPEG4 encoder requires the video dimension of multiple
-    if (mVideoWidth % 16 != 0 || mVideoHeight % 16 != 0) {
+    if (mWidth % 16 != 0 || mHeight % 16 != 0) {
         ALOGE("Video frame size %dx%d must be a multiple of 16",
-            mVideoWidth, mVideoHeight);
+            mWidth, mHeight);
         return OMX_ErrorBadParameter;
     }
 
@@ -142,7 +156,7 @@
         mEncParams->intraPeriod = 1;  // All I frames
     } else {
         mEncParams->intraPeriod =
-            (mIDRFrameRefreshIntervalInSec * mVideoFrameRate);
+            (mIDRFrameRefreshIntervalInSec * mFramerate) >> 16;
     }
 
     mEncParams->numIntraMB = 0;
@@ -201,81 +215,9 @@
     return OMX_ErrorNone;
 }
 
-void SoftMPEG4Encoder::initPorts() {
-    OMX_PARAM_PORTDEFINITIONTYPE def;
-    InitOMXParams(&def);
-
-    const size_t kInputBufferSize = (mVideoWidth * mVideoHeight * 3) >> 1;
-
-    // 256 * 1024 is a magic number for PV's encoder, not sure why
-    const size_t kOutputBufferSize =
-        (kInputBufferSize > 256 * 1024)
-            ? kInputBufferSize: 256 * 1024;
-
-    def.nPortIndex = 0;
-    def.eDir = OMX_DirInput;
-    def.nBufferCountMin = kNumBuffers;
-    def.nBufferCountActual = def.nBufferCountMin;
-    def.nBufferSize = kInputBufferSize;
-    def.bEnabled = OMX_TRUE;
-    def.bPopulated = OMX_FALSE;
-    def.eDomain = OMX_PortDomainVideo;
-    def.bBuffersContiguous = OMX_FALSE;
-    def.nBufferAlignment = 1;
-
-    def.format.video.cMIMEType = const_cast<char *>("video/raw");
-
-    def.format.video.eCompressionFormat = OMX_VIDEO_CodingUnused;
-    def.format.video.eColorFormat = OMX_COLOR_FormatYUV420Planar;
-    def.format.video.xFramerate = (mVideoFrameRate << 16);  // Q16 format
-    def.format.video.nBitrate = mVideoBitRate;
-    def.format.video.nFrameWidth = mVideoWidth;
-    def.format.video.nFrameHeight = mVideoHeight;
-    def.format.video.nStride = mVideoWidth;
-    def.format.video.nSliceHeight = mVideoHeight;
-
-    addPort(def);
-
-    def.nPortIndex = 1;
-    def.eDir = OMX_DirOutput;
-    def.nBufferCountMin = kNumBuffers;
-    def.nBufferCountActual = def.nBufferCountMin;
-    def.nBufferSize = kOutputBufferSize;
-    def.bEnabled = OMX_TRUE;
-    def.bPopulated = OMX_FALSE;
-    def.eDomain = OMX_PortDomainVideo;
-    def.bBuffersContiguous = OMX_FALSE;
-    def.nBufferAlignment = 2;
-
-    def.format.video.cMIMEType =
-        (mEncodeMode == COMBINE_MODE_WITH_ERR_RES)
-            ? const_cast<char *>(MEDIA_MIMETYPE_VIDEO_MPEG4)
-            : const_cast<char *>(MEDIA_MIMETYPE_VIDEO_H263);
-
-    def.format.video.eCompressionFormat =
-        (mEncodeMode == COMBINE_MODE_WITH_ERR_RES)
-            ? OMX_VIDEO_CodingMPEG4
-            : OMX_VIDEO_CodingH263;
-
-    def.format.video.eColorFormat = OMX_COLOR_FormatUnused;
-    def.format.video.xFramerate = (0 << 16);  // Q16 format
-    def.format.video.nBitrate = mVideoBitRate;
-    def.format.video.nFrameWidth = mVideoWidth;
-    def.format.video.nFrameHeight = mVideoHeight;
-    def.format.video.nStride = mVideoWidth;
-    def.format.video.nSliceHeight = mVideoHeight;
-
-    addPort(def);
-}
-
 OMX_ERRORTYPE SoftMPEG4Encoder::internalGetParameter(
         OMX_INDEXTYPE index, OMX_PTR params) {
     switch (index) {
-        case OMX_IndexParamVideoErrorCorrection:
-        {
-            return OMX_ErrorNotImplemented;
-        }
-
         case OMX_IndexParamVideoBitrate:
         {
             OMX_VIDEO_PARAM_BITRATETYPE *bitRate =
@@ -286,41 +228,7 @@
             }
 
             bitRate->eControlRate = OMX_Video_ControlRateVariable;
-            bitRate->nTargetBitrate = mVideoBitRate;
-            return OMX_ErrorNone;
-        }
-
-        case OMX_IndexParamVideoPortFormat:
-        {
-            OMX_VIDEO_PARAM_PORTFORMATTYPE *formatParams =
-                (OMX_VIDEO_PARAM_PORTFORMATTYPE *)params;
-
-            if (formatParams->nPortIndex > 1) {
-                return OMX_ErrorUndefined;
-            }
-
-            if (formatParams->nIndex > 2) {
-                return OMX_ErrorNoMore;
-            }
-
-            if (formatParams->nPortIndex == 0) {
-                formatParams->eCompressionFormat = OMX_VIDEO_CodingUnused;
-                if (formatParams->nIndex == 0) {
-                    formatParams->eColorFormat = OMX_COLOR_FormatYUV420Planar;
-                } else if (formatParams->nIndex == 1) {
-                    formatParams->eColorFormat = OMX_COLOR_FormatYUV420SemiPlanar;
-                } else {
-                    formatParams->eColorFormat = OMX_COLOR_FormatAndroidOpaque;
-                }
-            } else {
-                formatParams->eCompressionFormat =
-                    (mEncodeMode == COMBINE_MODE_WITH_ERR_RES)
-                        ? OMX_VIDEO_CodingMPEG4
-                        : OMX_VIDEO_CodingH263;
-
-                formatParams->eColorFormat = OMX_COLOR_FormatUnused;
-            }
-
+            bitRate->nTargetBitrate = mBitrate;
             return OMX_ErrorNone;
         }
 
@@ -369,32 +277,8 @@
             return OMX_ErrorNone;
         }
 
-        case OMX_IndexParamVideoProfileLevelQuerySupported:
-        {
-            OMX_VIDEO_PARAM_PROFILELEVELTYPE *profileLevel =
-                (OMX_VIDEO_PARAM_PROFILELEVELTYPE *)params;
-
-            if (profileLevel->nPortIndex != 1) {
-                return OMX_ErrorUndefined;
-            }
-
-            if (profileLevel->nProfileIndex > 0) {
-                return OMX_ErrorNoMore;
-            }
-
-            if (mEncodeMode == H263_MODE) {
-                profileLevel->eProfile = OMX_VIDEO_H263ProfileBaseline;
-                profileLevel->eLevel = OMX_VIDEO_H263Level45;
-            } else {
-                profileLevel->eProfile = OMX_VIDEO_MPEG4ProfileCore;
-                profileLevel->eLevel = OMX_VIDEO_MPEG4Level2;
-            }
-
-            return OMX_ErrorNone;
-        }
-
         default:
-            return SimpleSoftOMXComponent::internalGetParameter(index, params);
+            return SoftVideoEncoderOMXComponent::internalGetParameter(index, params);
     }
 }
 
@@ -403,11 +287,6 @@
     int32_t indexFull = index;
 
     switch (indexFull) {
-        case OMX_IndexParamVideoErrorCorrection:
-        {
-            return OMX_ErrorNotImplemented;
-        }
-
         case OMX_IndexParamVideoBitrate:
         {
             OMX_VIDEO_PARAM_BITRATETYPE *bitRate =
@@ -418,112 +297,7 @@
                 return OMX_ErrorUndefined;
             }
 
-            mVideoBitRate = bitRate->nTargetBitrate;
-            return OMX_ErrorNone;
-        }
-
-        case OMX_IndexParamPortDefinition:
-        {
-            OMX_PARAM_PORTDEFINITIONTYPE *def =
-                (OMX_PARAM_PORTDEFINITIONTYPE *)params;
-            if (def->nPortIndex > 1) {
-                return OMX_ErrorUndefined;
-            }
-
-            if (def->nPortIndex == 0) {
-                if (def->format.video.eCompressionFormat != OMX_VIDEO_CodingUnused ||
-                    (def->format.video.eColorFormat != OMX_COLOR_FormatYUV420Planar &&
-                     def->format.video.eColorFormat != OMX_COLOR_FormatYUV420SemiPlanar &&
-                     def->format.video.eColorFormat != OMX_COLOR_FormatAndroidOpaque)) {
-                    return OMX_ErrorUndefined;
-                }
-            } else {
-                if ((mEncodeMode == COMBINE_MODE_WITH_ERR_RES &&
-                        def->format.video.eCompressionFormat != OMX_VIDEO_CodingMPEG4) ||
-                    (mEncodeMode == H263_MODE &&
-                        def->format.video.eCompressionFormat != OMX_VIDEO_CodingH263) ||
-                    (def->format.video.eColorFormat != OMX_COLOR_FormatUnused)) {
-                    return OMX_ErrorUndefined;
-                }
-            }
-
-            OMX_ERRORTYPE err = SimpleSoftOMXComponent::internalSetParameter(index, params);
-            if (OMX_ErrorNone != err) {
-                return err;
-            }
-
-            if (def->nPortIndex == 0) {
-                mVideoWidth = def->format.video.nFrameWidth;
-                mVideoHeight = def->format.video.nFrameHeight;
-                mVideoFrameRate = def->format.video.xFramerate >> 16;
-                mVideoColorFormat = def->format.video.eColorFormat;
-
-                OMX_PARAM_PORTDEFINITIONTYPE *portDef =
-                    &editPortInfo(0)->mDef;
-                portDef->format.video.nFrameWidth = mVideoWidth;
-                portDef->format.video.nFrameHeight = mVideoHeight;
-                portDef->format.video.xFramerate = def->format.video.xFramerate;
-                portDef->format.video.eColorFormat =
-                    (OMX_COLOR_FORMATTYPE) mVideoColorFormat;
-                portDef = &editPortInfo(1)->mDef;
-                portDef->format.video.nFrameWidth = mVideoWidth;
-                portDef->format.video.nFrameHeight = mVideoHeight;
-            } else {
-                mVideoBitRate = def->format.video.nBitrate;
-            }
-
-            return OMX_ErrorNone;
-        }
-
-        case OMX_IndexParamStandardComponentRole:
-        {
-            const OMX_PARAM_COMPONENTROLETYPE *roleParams =
-                (const OMX_PARAM_COMPONENTROLETYPE *)params;
-
-            if (strncmp((const char *)roleParams->cRole,
-                        (mEncodeMode == H263_MODE)
-                            ? "video_encoder.h263": "video_encoder.mpeg4",
-                        OMX_MAX_STRINGNAME_SIZE - 1)) {
-                return OMX_ErrorUndefined;
-            }
-
-            return OMX_ErrorNone;
-        }
-
-        case OMX_IndexParamVideoPortFormat:
-        {
-            const OMX_VIDEO_PARAM_PORTFORMATTYPE *formatParams =
-                (const OMX_VIDEO_PARAM_PORTFORMATTYPE *)params;
-
-            if (formatParams->nPortIndex > 1) {
-                return OMX_ErrorUndefined;
-            }
-
-            if (formatParams->nIndex > 2) {
-                return OMX_ErrorNoMore;
-            }
-
-            if (formatParams->nPortIndex == 0) {
-                if (formatParams->eCompressionFormat != OMX_VIDEO_CodingUnused ||
-                    ((formatParams->nIndex == 0 &&
-                      formatParams->eColorFormat != OMX_COLOR_FormatYUV420Planar) ||
-                    (formatParams->nIndex == 1 &&
-                     formatParams->eColorFormat != OMX_COLOR_FormatYUV420SemiPlanar) ||
-                    (formatParams->nIndex == 2 &&
-                     formatParams->eColorFormat != OMX_COLOR_FormatAndroidOpaque) )) {
-                    return OMX_ErrorUndefined;
-                }
-                mVideoColorFormat = formatParams->eColorFormat;
-            } else {
-                if ((mEncodeMode == H263_MODE &&
-                        formatParams->eCompressionFormat != OMX_VIDEO_CodingH263) ||
-                    (mEncodeMode == COMBINE_MODE_WITH_ERR_RES &&
-                        formatParams->eCompressionFormat != OMX_VIDEO_CodingMPEG4) ||
-                    formatParams->eColorFormat != OMX_COLOR_FormatUnused) {
-                    return OMX_ErrorUndefined;
-                }
-            }
-
+            mBitrate = bitRate->nTargetBitrate;
             return OMX_ErrorNone;
         }
 
@@ -574,29 +348,8 @@
             return OMX_ErrorNone;
         }
 
-        case kStoreMetaDataExtensionIndex:
-        {
-            StoreMetaDataInBuffersParams *storeParams =
-                    (StoreMetaDataInBuffersParams*)params;
-            if (storeParams->nPortIndex != 0) {
-                ALOGE("%s: StoreMetadataInBuffersParams.nPortIndex not zero!",
-                        __FUNCTION__);
-                return OMX_ErrorUndefined;
-            }
-
-            mStoreMetaDataInBuffers = storeParams->bStoreMetaData;
-            ALOGV("StoreMetaDataInBuffers set to: %s",
-                    mStoreMetaDataInBuffers ? " true" : "false");
-
-            if (mStoreMetaDataInBuffers) {
-                mVideoColorFormat = OMX_COLOR_FormatAndroidOpaque;
-            }
-
-            return OMX_ErrorNone;
-        }
-
         default:
-            return SimpleSoftOMXComponent::internalSetParameter(index, params);
+            return SoftVideoEncoderOMXComponent::internalSetParameter(index, params);
     }
 }
 
@@ -659,12 +412,12 @@
 
         if (inHeader->nFilledLen > 0) {
             const uint8_t *inputData = NULL;
-            if (mStoreMetaDataInBuffers) {
+            if (mInputDataIsMeta) {
                 inputData =
                     extractGraphicBuffer(
-                            mInputFrameData, (mVideoWidth * mVideoHeight * 3) >> 1,
+                            mInputFrameData, (mWidth * mHeight * 3) >> 1,
                             inHeader->pBuffer + inHeader->nOffset, inHeader->nFilledLen,
-                            mVideoWidth, mVideoHeight);
+                            mWidth, mHeight);
                 if (inputData == NULL) {
                     ALOGE("Unable to extract gralloc buffer in metadata mode");
                     mSignalledError = true;
@@ -673,9 +426,9 @@
                 }
             } else {
                 inputData = (const uint8_t *)inHeader->pBuffer + inHeader->nOffset;
-                if (mVideoColorFormat != OMX_COLOR_FormatYUV420Planar) {
+                if (mColorFormat != OMX_COLOR_FormatYUV420Planar) {
                     ConvertYUV420SemiPlanarToYUV420Planar(
-                        inputData, mInputFrameData, mVideoWidth, mVideoHeight);
+                        inputData, mInputFrameData, mWidth, mHeight);
                     inputData = mInputFrameData;
                 }
             }
@@ -685,8 +438,8 @@
             VideoEncFrameIO vin, vout;
             memset(&vin, 0, sizeof(vin));
             memset(&vout, 0, sizeof(vout));
-            vin.height = ((mVideoHeight  + 15) >> 4) << 4;
-            vin.pitch = ((mVideoWidth + 15) >> 4) << 4;
+            vin.height = align(mHeight, 16);
+            vin.pitch = align(mWidth, 16);
             vin.timestamp = (inHeader->nTimeStamp + 500) / 1000;  // in ms
             vin.yChan = (uint8_t *)inputData;
             vin.uChan = vin.yChan + vin.height * vin.pitch;
@@ -734,5 +487,19 @@
 android::SoftOMXComponent *createSoftOMXComponent(
         const char *name, const OMX_CALLBACKTYPE *callbacks,
         OMX_PTR appData, OMX_COMPONENTTYPE **component) {
-    return new android::SoftMPEG4Encoder(name, callbacks, appData, component);
+    using namespace android;
+    if (!strcmp(name, "OMX.google.h263.encoder")) {
+        return new android::SoftMPEG4Encoder(
+                name, "video_encoder.h263", OMX_VIDEO_CodingH263, MEDIA_MIMETYPE_VIDEO_H263,
+                kH263ProfileLevels, NELEM(kH263ProfileLevels),
+                callbacks, appData, component);
+    } else if (!strcmp(name, "OMX.google.mpeg4.encoder")) {
+        return new android::SoftMPEG4Encoder(
+                name, "video_encoder.mpeg4", OMX_VIDEO_CodingMPEG4, MEDIA_MIMETYPE_VIDEO_MPEG4,
+                kMPEG4ProfileLevels, NELEM(kMPEG4ProfileLevels),
+                callbacks, appData, component);
+    } else {
+        CHECK(!"Unknown component");
+    }
+    return NULL;
 }
diff --git a/media/libstagefright/codecs/m4v_h263/enc/SoftMPEG4Encoder.h b/media/libstagefright/codecs/m4v_h263/enc/SoftMPEG4Encoder.h
index d706bb4..3389c37 100644
--- a/media/libstagefright/codecs/m4v_h263/enc/SoftMPEG4Encoder.h
+++ b/media/libstagefright/codecs/m4v_h263/enc/SoftMPEG4Encoder.h
@@ -25,9 +25,16 @@
 
 namespace android {
 
+struct CodecProfileLevel;
+
 struct SoftMPEG4Encoder : public SoftVideoEncoderOMXComponent {
     SoftMPEG4Encoder(
             const char *name,
+            const char *componentRole,
+            OMX_VIDEO_CODINGTYPE codingType,
+            const char *mime,
+            const CodecProfileLevel *profileLevels,
+            size_t numProfileLevels,
             const OMX_CALLBACKTYPE *callbacks,
             OMX_PTR appData,
             OMX_COMPONENTTYPE **component);
@@ -56,12 +63,6 @@
     } InputBufferInfo;
 
     MP4EncodingMode mEncodeMode;
-    int32_t  mVideoWidth;
-    int32_t  mVideoHeight;
-    int32_t  mVideoFrameRate;
-    int32_t  mVideoBitRate;
-    int32_t  mVideoColorFormat;
-    bool     mStoreMetaDataInBuffers;
     int32_t  mIDRFrameRefreshIntervalInSec;
 
     int64_t  mNumInputFrames;
@@ -74,7 +75,6 @@
     uint8_t               *mInputFrameData;
     Vector<InputBufferInfo> mInputBufferInfoVec;
 
-    void initPorts();
     OMX_ERRORTYPE initEncParams();
     OMX_ERRORTYPE initEncoder();
     OMX_ERRORTYPE releaseEncoder();
diff --git a/media/libstagefright/codecs/on2/dec/SoftVPX.cpp b/media/libstagefright/codecs/on2/dec/SoftVPX.cpp
index 828577a..8a95643 100644
--- a/media/libstagefright/codecs/on2/dec/SoftVPX.cpp
+++ b/media/libstagefright/codecs/on2/dec/SoftVPX.cpp
@@ -40,10 +40,13 @@
       mMode(codingType == OMX_VIDEO_CodingVP8 ? MODE_VP8 : MODE_VP9),
       mCtx(NULL),
       mImg(NULL) {
-    initPorts(kNumBuffers, 768 * 1024 /* inputBufferSize */,
-            kNumBuffers,
-            codingType == OMX_VIDEO_CodingVP8 ? MEDIA_MIMETYPE_VIDEO_VP8 : MEDIA_MIMETYPE_VIDEO_VP9);
-
+    // arbitrary from avc/hevc as vpx does not specify a min compression ratio
+    const size_t kMinCompressionRatio = mMode == MODE_VP8 ? 2 : 4;
+    const char *mime = mMode == MODE_VP8 ? MEDIA_MIMETYPE_VIDEO_VP8 : MEDIA_MIMETYPE_VIDEO_VP9;
+    const size_t kMaxOutputBufferSize = 2048 * 2048 * 3 / 2;
+    initPorts(
+            kNumBuffers, kMaxOutputBufferSize / kMinCompressionRatio /* inputBufferSize */,
+            kNumBuffers, mime, kMinCompressionRatio);
     CHECK_EQ(initDecoder(), (status_t)OK);
 }
 
@@ -189,4 +192,5 @@
     } else {
         CHECK(!"Unknown component");
     }
+    return NULL;
 }
diff --git a/media/libstagefright/codecs/on2/enc/SoftVPXEncoder.cpp b/media/libstagefright/codecs/on2/enc/SoftVPXEncoder.cpp
index eb621d5..970acf3 100644
--- a/media/libstagefright/codecs/on2/enc/SoftVPXEncoder.cpp
+++ b/media/libstagefright/codecs/on2/enc/SoftVPXEncoder.cpp
@@ -19,6 +19,7 @@
 #include "SoftVPXEncoder.h"
 
 #include <utils/Log.h>
+#include <utils/misc.h>
 
 #include <media/hardware/HardwareAPI.h>
 #include <media/hardware/MetadataBufferType.h>
@@ -50,23 +51,29 @@
     return cpuCoreCount;
 }
 
+static const CodecProfileLevel kProfileLevels[] = {
+    { OMX_VIDEO_VP8ProfileMain, OMX_VIDEO_VP8Level_Version0 },
+    { OMX_VIDEO_VP8ProfileMain, OMX_VIDEO_VP8Level_Version1 },
+    { OMX_VIDEO_VP8ProfileMain, OMX_VIDEO_VP8Level_Version2 },
+    { OMX_VIDEO_VP8ProfileMain, OMX_VIDEO_VP8Level_Version3 },
+};
+
 SoftVPXEncoder::SoftVPXEncoder(const char *name,
                                const OMX_CALLBACKTYPE *callbacks,
                                OMX_PTR appData,
                                OMX_COMPONENTTYPE **component)
-    : SoftVideoEncoderOMXComponent(name, callbacks, appData, component),
+    : SoftVideoEncoderOMXComponent(
+            name, "video_encoder.vp8", OMX_VIDEO_CodingVP8,
+            kProfileLevels, NELEM(kProfileLevels),
+            176 /* width */, 144 /* height */,
+            callbacks, appData, component),
       mCodecContext(NULL),
       mCodecConfiguration(NULL),
       mCodecInterface(NULL),
-      mWidth(176),
-      mHeight(144),
-      mBitrate(192000),  // in bps
-      mFramerate(30 << 16), // in Q16 format
       mBitrateUpdated(false),
       mBitrateControlMode(VPX_VBR),  // variable bitrate
       mDCTPartitions(0),
       mErrorResilience(OMX_FALSE),
-      mColorFormat(OMX_COLOR_FormatYUV420Planar),
       mLevel(OMX_VIDEO_VP8Level_Version0),
       mKeyFrameInterval(0),
       mMinQuantizer(0),
@@ -77,11 +84,15 @@
       mTemporalPatternIdx(0),
       mLastTimestamp(0x7FFFFFFFFFFFFFFFLL),
       mConversionBuffer(NULL),
-      mInputDataIsMeta(false),
       mKeyFrameRequested(false) {
     memset(mTemporalLayerBitrateRatio, 0, sizeof(mTemporalLayerBitrateRatio));
     mTemporalLayerBitrateRatio[0] = 100;
-    initPorts();
+
+    const size_t kMinOutputBufferSize = 1024 * 1024; // arbitrary
+
+    initPorts(
+            kNumBuffers, kNumBuffers, kMinOutputBufferSize,
+            MEDIA_MIMETYPE_VIDEO_VP8, 2 /* minCompressionRatio */);
 }
 
 
@@ -89,71 +100,6 @@
     releaseEncoder();
 }
 
-
-void SoftVPXEncoder::initPorts() {
-    OMX_PARAM_PORTDEFINITIONTYPE inputPort;
-    OMX_PARAM_PORTDEFINITIONTYPE outputPort;
-
-    InitOMXParams(&inputPort);
-    InitOMXParams(&outputPort);
-
-    inputPort.nBufferCountMin = kNumBuffers;
-    inputPort.nBufferCountActual = inputPort.nBufferCountMin;
-    inputPort.bEnabled = OMX_TRUE;
-    inputPort.bPopulated = OMX_FALSE;
-    inputPort.eDomain = OMX_PortDomainVideo;
-    inputPort.bBuffersContiguous = OMX_FALSE;
-    inputPort.format.video.pNativeRender = NULL;
-    inputPort.format.video.nFrameWidth = mWidth;
-    inputPort.format.video.nFrameHeight = mHeight;
-    inputPort.format.video.nStride = inputPort.format.video.nFrameWidth;
-    inputPort.format.video.nSliceHeight = inputPort.format.video.nFrameHeight;
-    inputPort.format.video.nBitrate = 0;
-    // frameRate is in Q16 format.
-    inputPort.format.video.xFramerate = mFramerate;
-    inputPort.format.video.bFlagErrorConcealment = OMX_FALSE;
-    inputPort.nPortIndex = kInputPortIndex;
-    inputPort.eDir = OMX_DirInput;
-    inputPort.nBufferAlignment = kInputBufferAlignment;
-    inputPort.format.video.cMIMEType =
-        const_cast<char *>(MEDIA_MIMETYPE_VIDEO_RAW);
-    inputPort.format.video.eCompressionFormat = OMX_VIDEO_CodingUnused;
-    inputPort.format.video.eColorFormat = mColorFormat;
-    inputPort.format.video.pNativeWindow = NULL;
-    inputPort.nBufferSize =
-        (inputPort.format.video.nStride *
-        inputPort.format.video.nSliceHeight * 3) / 2;
-
-    addPort(inputPort);
-
-    outputPort.nBufferCountMin = kNumBuffers;
-    outputPort.nBufferCountActual = outputPort.nBufferCountMin;
-    outputPort.bEnabled = OMX_TRUE;
-    outputPort.bPopulated = OMX_FALSE;
-    outputPort.eDomain = OMX_PortDomainVideo;
-    outputPort.bBuffersContiguous = OMX_FALSE;
-    outputPort.format.video.pNativeRender = NULL;
-    outputPort.format.video.nFrameWidth = mWidth;
-    outputPort.format.video.nFrameHeight = mHeight;
-    outputPort.format.video.nStride = outputPort.format.video.nFrameWidth;
-    outputPort.format.video.nSliceHeight = outputPort.format.video.nFrameHeight;
-    outputPort.format.video.nBitrate = mBitrate;
-    outputPort.format.video.xFramerate = 0;
-    outputPort.format.video.bFlagErrorConcealment = OMX_FALSE;
-    outputPort.nPortIndex = kOutputPortIndex;
-    outputPort.eDir = OMX_DirOutput;
-    outputPort.nBufferAlignment = kOutputBufferAlignment;
-    outputPort.format.video.cMIMEType =
-        const_cast<char *>(MEDIA_MIMETYPE_VIDEO_VP8);
-    outputPort.format.video.eCompressionFormat = OMX_VIDEO_CodingVP8;
-    outputPort.format.video.eColorFormat = OMX_COLOR_FormatUnused;
-    outputPort.format.video.pNativeWindow = NULL;
-    outputPort.nBufferSize = 1024 * 1024; // arbitrary
-
-    addPort(outputPort);
-}
-
-
 status_t SoftVPXEncoder::initEncoder() {
     vpx_codec_err_t codec_return;
 
@@ -409,38 +355,6 @@
     const int32_t indexFull = index;
 
     switch (indexFull) {
-        case OMX_IndexParamVideoPortFormat: {
-            OMX_VIDEO_PARAM_PORTFORMATTYPE *formatParams =
-                (OMX_VIDEO_PARAM_PORTFORMATTYPE *)param;
-
-            if (formatParams->nPortIndex == kInputPortIndex) {
-                if (formatParams->nIndex >= kNumberOfSupportedColorFormats) {
-                    return OMX_ErrorNoMore;
-                }
-
-                // Color formats, in order of preference
-                if (formatParams->nIndex == 0) {
-                    formatParams->eColorFormat = OMX_COLOR_FormatYUV420Planar;
-                } else if (formatParams->nIndex == 1) {
-                    formatParams->eColorFormat =
-                        OMX_COLOR_FormatYUV420SemiPlanar;
-                } else {
-                    formatParams->eColorFormat = OMX_COLOR_FormatAndroidOpaque;
-                }
-
-                formatParams->eCompressionFormat = OMX_VIDEO_CodingUnused;
-                formatParams->xFramerate = mFramerate;
-                return OMX_ErrorNone;
-            } else if (formatParams->nPortIndex == kOutputPortIndex) {
-                formatParams->eCompressionFormat = OMX_VIDEO_CodingVP8;
-                formatParams->eColorFormat = OMX_COLOR_FormatUnused;
-                formatParams->xFramerate = 0;
-                return OMX_ErrorNone;
-            } else {
-                return OMX_ErrorBadPortIndex;
-            }
-        }
-
         case OMX_IndexParamVideoBitrate: {
             OMX_VIDEO_PARAM_BITRATETYPE *bitrate =
                 (OMX_VIDEO_PARAM_BITRATETYPE *)param;
@@ -495,54 +409,8 @@
                 return OMX_ErrorNone;
         }
 
-        case OMX_IndexParamVideoProfileLevelQuerySupported: {
-            OMX_VIDEO_PARAM_PROFILELEVELTYPE *profileAndLevel =
-                (OMX_VIDEO_PARAM_PROFILELEVELTYPE *)param;
-
-            if (profileAndLevel->nPortIndex != kOutputPortIndex) {
-                return OMX_ErrorUnsupportedIndex;
-            }
-
-            switch (profileAndLevel->nProfileIndex) {
-                case 0:
-                    profileAndLevel->eLevel = OMX_VIDEO_VP8Level_Version0;
-                    break;
-
-                case 1:
-                    profileAndLevel->eLevel = OMX_VIDEO_VP8Level_Version1;
-                    break;
-
-                case 2:
-                    profileAndLevel->eLevel = OMX_VIDEO_VP8Level_Version2;
-                    break;
-
-                case 3:
-                    profileAndLevel->eLevel = OMX_VIDEO_VP8Level_Version3;
-                    break;
-
-                default:
-                    return OMX_ErrorNoMore;
-            }
-
-            profileAndLevel->eProfile = OMX_VIDEO_VP8ProfileMain;
-            return OMX_ErrorNone;
-        }
-
-        case OMX_IndexParamVideoProfileLevelCurrent: {
-            OMX_VIDEO_PARAM_PROFILELEVELTYPE *profileAndLevel =
-                (OMX_VIDEO_PARAM_PROFILELEVELTYPE *)param;
-
-            if (profileAndLevel->nPortIndex != kOutputPortIndex) {
-                return OMX_ErrorUnsupportedIndex;
-            }
-
-            profileAndLevel->eLevel = mLevel;
-            profileAndLevel->eProfile = OMX_VIDEO_VP8ProfileMain;
-            return OMX_ErrorNone;
-        }
-
         default:
-            return SimpleSoftOMXComponent::internalGetParameter(index, param);
+            return SoftVideoEncoderOMXComponent::internalGetParameter(index, param);
     }
 }
 
@@ -553,30 +421,10 @@
     const int32_t indexFull = index;
 
     switch (indexFull) {
-        case OMX_IndexParamStandardComponentRole:
-            return internalSetRoleParams(
-                (const OMX_PARAM_COMPONENTROLETYPE *)param);
-
         case OMX_IndexParamVideoBitrate:
             return internalSetBitrateParams(
                 (const OMX_VIDEO_PARAM_BITRATETYPE *)param);
 
-        case OMX_IndexParamPortDefinition:
-        {
-            OMX_ERRORTYPE err = internalSetPortParams(
-                (const OMX_PARAM_PORTDEFINITIONTYPE *)param);
-
-            if (err != OMX_ErrorNone) {
-                return err;
-            }
-
-            return SimpleSoftOMXComponent::internalSetParameter(index, param);
-        }
-
-        case OMX_IndexParamVideoPortFormat:
-            return internalSetFormatParams(
-                (const OMX_VIDEO_PARAM_PORTFORMATTYPE *)param);
-
         case OMX_IndexParamVideoVp8:
             return internalSetVp8Params(
                 (const OMX_VIDEO_PARAM_VP8TYPE *)param);
@@ -585,27 +433,8 @@
             return internalSetAndroidVp8Params(
                 (const OMX_VIDEO_PARAM_ANDROID_VP8ENCODERTYPE *)param);
 
-        case OMX_IndexParamVideoProfileLevelCurrent:
-            return internalSetProfileLevel(
-                (const OMX_VIDEO_PARAM_PROFILELEVELTYPE *)param);
-
-        case kStoreMetaDataExtensionIndex:
-        {
-            // storeMetaDataInBuffers
-            const StoreMetaDataInBuffersParams *storeParam =
-                (const StoreMetaDataInBuffersParams *)param;
-
-            if (storeParam->nPortIndex != kInputPortIndex) {
-                return OMX_ErrorBadPortIndex;
-            }
-
-            mInputDataIsMeta = (storeParam->bStoreMetaData == OMX_TRUE);
-
-            return OMX_ErrorNone;
-        }
-
         default:
-            return SimpleSoftOMXComponent::internalSetParameter(index, param);
+            return SoftVideoEncoderOMXComponent::internalSetParameter(index, param);
     }
 }
 
@@ -646,29 +475,6 @@
     }
 }
 
-OMX_ERRORTYPE SoftVPXEncoder::internalSetProfileLevel(
-        const OMX_VIDEO_PARAM_PROFILELEVELTYPE* profileAndLevel) {
-    if (profileAndLevel->nPortIndex != kOutputPortIndex) {
-        return OMX_ErrorUnsupportedIndex;
-    }
-
-    if (profileAndLevel->eProfile != OMX_VIDEO_VP8ProfileMain) {
-        return OMX_ErrorBadParameter;
-    }
-
-    if (profileAndLevel->eLevel == OMX_VIDEO_VP8Level_Version0 ||
-        profileAndLevel->eLevel == OMX_VIDEO_VP8Level_Version1 ||
-        profileAndLevel->eLevel == OMX_VIDEO_VP8Level_Version2 ||
-        profileAndLevel->eLevel == OMX_VIDEO_VP8Level_Version3) {
-        mLevel = (OMX_VIDEO_VP8LEVELTYPE)profileAndLevel->eLevel;
-    } else {
-        return OMX_ErrorBadParameter;
-    }
-
-    return OMX_ErrorNone;
-}
-
-
 OMX_ERRORTYPE SoftVPXEncoder::internalSetVp8Params(
         const OMX_VIDEO_PARAM_VP8TYPE* vp8Params) {
     if (vp8Params->nPortIndex != kOutputPortIndex) {
@@ -743,91 +549,6 @@
     return OMX_ErrorNone;
 }
 
-OMX_ERRORTYPE SoftVPXEncoder::internalSetFormatParams(
-        const OMX_VIDEO_PARAM_PORTFORMATTYPE* format) {
-    if (format->nPortIndex == kInputPortIndex) {
-        if (format->eColorFormat == OMX_COLOR_FormatYUV420Planar ||
-            format->eColorFormat == OMX_COLOR_FormatYUV420SemiPlanar ||
-            format->eColorFormat == OMX_COLOR_FormatAndroidOpaque) {
-            mColorFormat = format->eColorFormat;
-
-            OMX_PARAM_PORTDEFINITIONTYPE *def = &editPortInfo(kInputPortIndex)->mDef;
-            def->format.video.eColorFormat = mColorFormat;
-
-            return OMX_ErrorNone;
-        } else {
-            ALOGE("Unsupported color format %i", format->eColorFormat);
-            return OMX_ErrorUnsupportedSetting;
-        }
-    } else if (format->nPortIndex == kOutputPortIndex) {
-        if (format->eCompressionFormat == OMX_VIDEO_CodingVP8) {
-            return OMX_ErrorNone;
-        } else {
-            return OMX_ErrorUnsupportedSetting;
-        }
-    } else {
-        return OMX_ErrorBadPortIndex;
-    }
-}
-
-
-OMX_ERRORTYPE SoftVPXEncoder::internalSetRoleParams(
-        const OMX_PARAM_COMPONENTROLETYPE* role) {
-    const char* roleText = (const char*)role->cRole;
-    const size_t roleTextMaxSize = OMX_MAX_STRINGNAME_SIZE - 1;
-
-    if (strncmp(roleText, "video_encoder.vp8", roleTextMaxSize)) {
-        ALOGE("Unsupported component role");
-        return OMX_ErrorBadParameter;
-    }
-
-    return OMX_ErrorNone;
-}
-
-
-OMX_ERRORTYPE SoftVPXEncoder::internalSetPortParams(
-        const OMX_PARAM_PORTDEFINITIONTYPE* port) {
-    if (port->nPortIndex == kInputPortIndex) {
-        mWidth = port->format.video.nFrameWidth;
-        mHeight = port->format.video.nFrameHeight;
-
-        // xFramerate comes in Q16 format, in frames per second unit
-        mFramerate = port->format.video.xFramerate;
-
-        if (port->format.video.eColorFormat == OMX_COLOR_FormatYUV420Planar ||
-            port->format.video.eColorFormat == OMX_COLOR_FormatYUV420SemiPlanar ||
-            port->format.video.eColorFormat == OMX_COLOR_FormatAndroidOpaque) {
-            mColorFormat = port->format.video.eColorFormat;
-        } else {
-            return OMX_ErrorUnsupportedSetting;
-        }
-
-        OMX_PARAM_PORTDEFINITIONTYPE *def = &editPortInfo(kInputPortIndex)->mDef;
-        def->format.video.nFrameWidth = mWidth;
-        def->format.video.nFrameHeight = mHeight;
-        def->format.video.xFramerate = mFramerate;
-        def->format.video.eColorFormat = mColorFormat;
-        def = &editPortInfo(kOutputPortIndex)->mDef;
-        def->format.video.nFrameWidth = mWidth;
-        def->format.video.nFrameHeight = mHeight;
-
-        return OMX_ErrorNone;
-    } else if (port->nPortIndex == kOutputPortIndex) {
-        mBitrate = port->format.video.nBitrate;
-        mWidth = port->format.video.nFrameWidth;
-        mHeight = port->format.video.nFrameHeight;
-
-        OMX_PARAM_PORTDEFINITIONTYPE *def = &editPortInfo(kOutputPortIndex)->mDef;
-        def->format.video.nFrameWidth = mWidth;
-        def->format.video.nFrameHeight = mHeight;
-        def->format.video.nBitrate = mBitrate;
-        return OMX_ErrorNone;
-    } else {
-        return OMX_ErrorBadPortIndex;
-    }
-}
-
-
 OMX_ERRORTYPE SoftVPXEncoder::internalSetBitrateParams(
         const OMX_VIDEO_PARAM_BITRATETYPE* bitrate) {
     if (bitrate->nPortIndex != kOutputPortIndex) {
@@ -916,7 +637,7 @@
     return flags;
 }
 
-void SoftVPXEncoder::onQueueFilled(OMX_U32 portIndex) {
+void SoftVPXEncoder::onQueueFilled(OMX_U32 /* portIndex */) {
     // Initialize encoder if not already
     if (mCodecContext == NULL) {
         if (OK != initEncoder()) {
diff --git a/media/libstagefright/codecs/on2/enc/SoftVPXEncoder.h b/media/libstagefright/codecs/on2/enc/SoftVPXEncoder.h
index f4c1564..cd0a0cf 100644
--- a/media/libstagefright/codecs/on2/enc/SoftVPXEncoder.h
+++ b/media/libstagefright/codecs/on2/enc/SoftVPXEncoder.h
@@ -155,18 +155,6 @@
     // that specifies algorithm interface (e.g. vp8)
     vpx_codec_iface_t* mCodecInterface;
 
-    // Width of the input frames
-    int32_t mWidth;
-
-    // Height of the input frames
-    int32_t mHeight;
-
-    // Target bitrate set for the encoder, in bits per second.
-    uint32_t mBitrate;
-
-    // Target framerate set for the encoder.
-    uint32_t mFramerate;
-
     // If a request for a change it bitrate has been received.
     bool mBitrateUpdated;
 
@@ -182,9 +170,6 @@
     // is enabled in encoder
     OMX_BOOL mErrorResilience;
 
-    // Color format for the input port
-    OMX_COLOR_FORMATTYPE mColorFormat;
-
     // Encoder profile corresponding to OMX level parameter
     //
     // The inconsistency in the naming is caused by
@@ -229,14 +214,8 @@
     // indeed YUV420SemiPlanar.
     uint8_t* mConversionBuffer;
 
-    bool mInputDataIsMeta;
-
     bool mKeyFrameRequested;
 
-    // Initializes input and output OMX ports with sensible
-    // default values.
-    void initPorts();
-
     // Initializes vpx encoder with available settings.
     status_t initEncoder();
 
@@ -250,23 +229,10 @@
     // Get current encode flags
     vpx_enc_frame_flags_t getEncodeFlags();
 
-    // Handles port changes with respect to color formats
-    OMX_ERRORTYPE internalSetFormatParams(
-        const OMX_VIDEO_PARAM_PORTFORMATTYPE* format);
-
-    // Verifies the component role tried to be set to this OMX component is
-    // strictly video_encoder.vp8
-    OMX_ERRORTYPE internalSetRoleParams(
-        const OMX_PARAM_COMPONENTROLETYPE* role);
-
     // Updates bitrate to reflect port settings.
     OMX_ERRORTYPE internalSetBitrateParams(
         const OMX_VIDEO_PARAM_BITRATETYPE* bitrate);
 
-    // Handles port definition changes.
-    OMX_ERRORTYPE internalSetPortParams(
-        const OMX_PARAM_PORTDEFINITIONTYPE* port);
-
     // Handles vp8 specific parameters.
     OMX_ERRORTYPE internalSetVp8Params(
         const OMX_VIDEO_PARAM_VP8TYPE* vp8Params);
@@ -275,10 +241,6 @@
     OMX_ERRORTYPE internalSetAndroidVp8Params(
         const OMX_VIDEO_PARAM_ANDROID_VP8ENCODERTYPE* vp8AndroidParams);
 
-    // Updates encoder profile
-    OMX_ERRORTYPE internalSetProfileLevel(
-        const OMX_VIDEO_PARAM_PROFILELEVELTYPE* profileAndLevel);
-
     DISALLOW_EVIL_CONSTRUCTORS(SoftVPXEncoder);
 };
 
diff --git a/media/libstagefright/codecs/on2/h264dec/SoftAVC.cpp b/media/libstagefright/codecs/on2/h264dec/SoftAVC.cpp
index 168208f..6b8b395 100644
--- a/media/libstagefright/codecs/on2/h264dec/SoftAVC.cpp
+++ b/media/libstagefright/codecs/on2/h264dec/SoftAVC.cpp
@@ -64,9 +64,11 @@
       mHeadersDecoded(false),
       mEOSStatus(INPUT_DATA_AVAILABLE),
       mSignalledError(false) {
+    const size_t kMinCompressionRatio = 2;
+    const size_t kMaxOutputBufferSize = 2048 * 2048 * 3 / 2;
     initPorts(
-            kNumInputBuffers, 8192 /* inputBufferSize */,
-            kNumOutputBuffers, MEDIA_MIMETYPE_VIDEO_AVC);
+            kNumInputBuffers, kMaxOutputBufferSize / kMinCompressionRatio /* minInputBufferSize */,
+            kNumOutputBuffers, MEDIA_MIMETYPE_VIDEO_AVC, kMinCompressionRatio);
 
     CHECK_EQ(initDecoder(), (status_t)OK);
 }
diff --git a/media/libstagefright/data/media_codecs_google_audio.xml b/media/libstagefright/data/media_codecs_google_audio.xml
index f599004..a06684b 100644
--- a/media/libstagefright/data/media_codecs_google_audio.xml
+++ b/media/libstagefright/data/media_codecs_google_audio.xml
@@ -48,7 +48,7 @@
         </MediaCodec>
         <MediaCodec name="OMX.google.vorbis.decoder" type="audio/vorbis">
             <Limit name="channel-count" max="8" />
-            <Limit name="sample-rate" ranges="8000,11025,12000,16000,22050,24000,32000,44100,48000,96000" />
+            <Limit name="sample-rate" ranges="8000-96000" />
             <Limit name="bitrate" range="32000-500000" />
         </MediaCodec>
         <MediaCodec name="OMX.google.opus.decoder" type="audio/opus">
@@ -65,7 +65,8 @@
     <Encoders>
         <MediaCodec name="OMX.google.aac.encoder" type="audio/mp4a-latm">
             <Limit name="channel-count" max="6" />
-            <Limit name="sample-rate" ranges="11025,12000,16000,22050,24000,32000,44100,48000" />
+            <Limit name="sample-rate" ranges="8000,11025,12000,16000,22050,24000,32000,44100,48000" />
+            <!-- also may support 64000, 88200  and 96000 Hz -->
             <Limit name="bitrate" range="8000-960000" />
         </MediaCodec>
         <MediaCodec name="OMX.google.amrnb.encoder" type="audio/3gpp">
diff --git a/media/libstagefright/data/media_codecs_google_video.xml b/media/libstagefright/data/media_codecs_google_video.xml
index 1cbef39..7e9fa18 100644
--- a/media/libstagefright/data/media_codecs_google_video.xml
+++ b/media/libstagefright/data/media_codecs_google_video.xml
@@ -73,7 +73,7 @@
     <Encoders>
         <MediaCodec name="OMX.google.h263.encoder" type="video/3gpp">
             <!-- profiles and levels:  ProfileBaseline : Level45 -->
-            <Limit name="size" min="16x16" max="176x144" />
+            <Limit name="size" min="176x144" max="176x144" />
             <Limit name="alignment" value="16x16" />
             <Limit name="bitrate" range="1-128000" />
         </MediaCodec>
diff --git a/media/libstagefright/foundation/ADebug.cpp b/media/libstagefright/foundation/ADebug.cpp
new file mode 100644
index 0000000..ec4a960
--- /dev/null
+++ b/media/libstagefright/foundation/ADebug.cpp
@@ -0,0 +1,117 @@
+/*
+ * Copyright 2014 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 <stdlib.h>
+#include <ctype.h>
+
+#define LOG_TAG "ADebug"
+#include <utils/Log.h>
+#include <utils/misc.h>
+
+#include <cutils/properties.h>
+
+#include <ADebug.h>
+#include <AStringUtils.h>
+#include <AUtils.h>
+
+namespace android {
+
+//static
+ADebug::Level ADebug::GetDebugLevelFromString(
+        const char *name, const char *value, ADebug::Level def) {
+    // split on ,
+    const char *next = value, *current;
+    const unsigned long maxLevel = (unsigned long)kDebugMax;
+    while (next != NULL) {
+        current = next;
+        next = strchr(current, ',');
+        if (next != NULL) {
+            ++next;  // pass ,
+        }
+
+        while (isspace(*current)) {
+            ++current;
+        }
+        // check for :
+        char *colon = strchr(current, ':');
+
+        // get level
+        char *end;
+        errno = 0;  // strtoul does not clear errno, but it can be set for any return value
+        unsigned long level = strtoul(current, &end, 10);
+        while (isspace(*end)) {
+            ++end;
+        }
+        if (errno != 0 || end == current || (end != colon && *end != '\0' && end != next)) {
+            // invalid level - skip
+            continue;
+        }
+        if (colon != NULL) {
+            // check if pattern matches
+            do {  // skip colon and spaces
+                ++colon;
+            } while (isspace(*colon));
+            size_t globLen = (next == NULL ? strlen(colon) : (next - 1 - colon));
+            while (globLen > 0 && isspace(colon[globLen - 1])) {
+                --globLen;  // trim glob
+            }
+
+            if (!AStringUtils::MatchesGlob(
+                    colon, globLen, name, strlen(name), true /* ignoreCase */)) {
+                continue;
+            }
+        }
+
+        // update debug level
+        def = (Level)min(level, maxLevel);
+    }
+    return def;
+}
+
+//static
+ADebug::Level ADebug::GetDebugLevelFromProperty(
+        const char *name, const char *propertyName, ADebug::Level def) {
+    char value[PROPERTY_VALUE_MAX];
+    if (property_get(propertyName, value, NULL)) {
+        return GetDebugLevelFromString(name, value, def);
+    }
+    return def;
+}
+
+//static
+char *ADebug::GetDebugName(const char *name) {
+    char *debugName = strdup(name);
+    const char *terms[] = { "omx", "video", "audio" };
+    for (size_t i = 0; i < NELEM(terms) && debugName != NULL; i++) {
+        const char *term = terms[i];
+        const size_t len = strlen(term);
+        char *match = strcasestr(debugName, term);
+        if (match != NULL && (match == debugName || match[-1] == '.'
+                || match[len] == '.' || match[len] == '\0')) {
+            char *src = match + len;
+            if (match == debugName || match[-1] == '.') {
+                src += (*src == '.');  // remove trailing or double .
+            }
+            memmove(match, src, debugName + strlen(debugName) - src + 1);
+        }
+    }
+
+    return debugName;
+}
+
+}  // namespace android
+
diff --git a/media/libstagefright/foundation/AStringUtils.cpp b/media/libstagefright/foundation/AStringUtils.cpp
new file mode 100644
index 0000000..e5a846c
--- /dev/null
+++ b/media/libstagefright/foundation/AStringUtils.cpp
@@ -0,0 +1,77 @@
+/*
+ * Copyright 2014 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 <AStringUtils.h>
+
+namespace android {
+
+// static
+int AStringUtils::Compare(const char *a, const char *b, size_t len, bool ignoreCase) {
+    // this method relies on a trailing '\0' if a or b are shorter than len
+    return ignoreCase ? strncasecmp(a, b, len) : strncmp(a, b, len);
+}
+
+// static
+bool AStringUtils::MatchesGlob(
+        const char *glob, size_t globLen, const char *str, size_t strLen, bool ignoreCase) {
+    // this method does not assume a trailing '\0'
+    size_t ix = 0, globIx = 0;
+
+    // pattern must match until first '*'
+    while (globIx < globLen && glob[globIx] != '*') {
+        ++globIx;
+    }
+    if (strLen < globIx || Compare(str, glob, globIx /* len */, ignoreCase)) {
+        return false;
+    }
+    ix = globIx;
+
+    // process by * separated sections
+    while (globIx < globLen) {
+        ++globIx;
+        size_t start = globIx;
+        while (globIx < globLen && glob[globIx] != '*') {
+            ++globIx;
+        }
+        size_t len = globIx - start;
+        const char *pattern = glob + start;
+
+        if (globIx == globLen) {
+            // last pattern must match tail
+            if (ix + len > strLen) {
+                return false;
+            }
+            const char *tail = str + strLen - len;
+            return !Compare(tail, pattern, len, ignoreCase);
+        }
+        // progress after first occurrence of pattern
+        while (ix + len <= strLen && Compare(str + ix, pattern, len, ignoreCase)) {
+            ++ix;
+        }
+        if (ix + len > strLen) {
+            return false;
+        }
+        ix += len;
+        // we will loop around as globIx < globLen
+    }
+
+    // we only get here if there were no * in the pattern
+    return ix == strLen;
+}
+
+}  // namespace android
+
diff --git a/media/libstagefright/foundation/Android.mk b/media/libstagefright/foundation/Android.mk
index 90a6a23..c1dd6ce 100644
--- a/media/libstagefright/foundation/Android.mk
+++ b/media/libstagefright/foundation/Android.mk
@@ -5,6 +5,7 @@
     AAtomizer.cpp                 \
     ABitReader.cpp                \
     ABuffer.cpp                   \
+    ADebug.cpp                    \
     AHandler.cpp                  \
     AHierarchicalStateMachine.cpp \
     ALooper.cpp                   \
@@ -12,6 +13,7 @@
     AMessage.cpp                  \
     ANetworkSession.cpp           \
     AString.cpp                   \
+    AStringUtils.cpp              \
     ParsedMessage.cpp             \
     base64.cpp                    \
     hexdump.cpp
@@ -22,6 +24,7 @@
 LOCAL_SHARED_LIBRARIES := \
         libbinder         \
         libutils          \
+        libcutils         \
         liblog
 
 LOCAL_CFLAGS += -Wno-multichar -Werror
diff --git a/media/libstagefright/httplive/LiveSession.cpp b/media/libstagefright/httplive/LiveSession.cpp
index a934e72..190188a 100644
--- a/media/libstagefright/httplive/LiveSession.cpp
+++ b/media/libstagefright/httplive/LiveSession.cpp
@@ -49,6 +49,9 @@
 
 namespace android {
 
+// Number of recently-read bytes to use for bandwidth estimation
+const size_t LiveSession::kBandwidthHistoryBytes = 200 * 1024;
+
 LiveSession::LiveSession(
         const sp<AMessage> &notify, uint32_t flags,
         const sp<IMediaHTTPService> &httpService)
@@ -84,6 +87,13 @@
         mPacketSources2.add(indexToType(i), new AnotherPacketSource(NULL /* meta */));
         mBuffering[i] = false;
     }
+
+    size_t numHistoryItems = kBandwidthHistoryBytes /
+            PlaylistFetcher::kDownloadBlockSize + 1;
+    if (numHistoryItems < 5) {
+        numHistoryItems = 5;
+    }
+    mHTTPDataSource->setBandwidthHistorySize(numHistoryItems);
 }
 
 LiveSession::~LiveSession() {
@@ -145,10 +155,24 @@
         }
     }
 
+    int32_t targetDuration = 0;
+    sp<AMessage> meta = packetSource->getLatestEnqueuedMeta();
+    if (meta != NULL) {
+        meta->findInt32("targetDuration", &targetDuration);
+    }
+
+    int64_t targetDurationUs = targetDuration * 1000000ll;
+    if (targetDurationUs == 0 ||
+            targetDurationUs > PlaylistFetcher::kMinBufferedDurationUs) {
+        // Fetchers limit buffering to
+        // min(3 * targetDuration, kMinBufferedDurationUs)
+        targetDurationUs = PlaylistFetcher::kMinBufferedDurationUs;
+    }
+
     if (mBuffering[idx]) {
         if (mSwitchInProgress
                 || packetSource->isFinished(0)
-                || packetSource->getEstimatedDurationUs() > 10000000ll) {
+                || packetSource->getEstimatedDurationUs() > targetDurationUs) {
             mBuffering[idx] = false;
         }
     }
@@ -858,7 +882,11 @@
         // Only resize when we don't know the size.
         size_t bufferRemaining = buffer->capacity() - buffer->size();
         if (bufferRemaining == 0 && getSizeErr != OK) {
-            bufferRemaining = 32768;
+            size_t bufferIncrement = buffer->size() / 2;
+            if (bufferIncrement < 32768) {
+                bufferIncrement = 32768;
+            }
+            bufferRemaining = bufferIncrement;
 
             ALOGV("increasing download buffer to %zu bytes",
                  buffer->size() + bufferRemaining);
@@ -1110,11 +1138,11 @@
 }
 
 status_t LiveSession::getDuration(int64_t *durationUs) const {
-    int64_t maxDurationUs = 0ll;
+    int64_t maxDurationUs = -1ll;
     for (size_t i = 0; i < mFetcherInfos.size(); ++i) {
         int64_t fetcherDurationUs = mFetcherInfos.valueAt(i).mDurationUs;
 
-        if (fetcherDurationUs >= 0ll && fetcherDurationUs > maxDurationUs) {
+        if (fetcherDurationUs > maxDurationUs) {
             maxDurationUs = fetcherDurationUs;
         }
     }
@@ -1165,6 +1193,14 @@
     return err;
 }
 
+ssize_t LiveSession::getSelectedTrack(media_track_type type) const {
+    if (mPlaylist == NULL) {
+        return -1;
+    } else {
+        return mPlaylist->getSelectedTrack(type);
+    }
+}
+
 bool LiveSession::canSwitchUp() {
     // Allow upwards bandwidth switch when a stream has buffered at least 10 seconds.
     status_t err = OK;
@@ -1458,7 +1494,7 @@
                     extra->setInt64("timeUs", timeUs);
                     discontinuityQueue = mDiscontinuities.valueFor(indexToType(j));
                     discontinuityQueue->queueDiscontinuity(
-                            ATSParser::DISCONTINUITY_SEEK, extra, true);
+                            ATSParser::DISCONTINUITY_TIME, extra, true);
                 } else {
                     int32_t type;
                     sp<AMessage> meta;
diff --git a/media/libstagefright/httplive/LiveSession.h b/media/libstagefright/httplive/LiveSession.h
index 7aacca6..dfb5e59 100644
--- a/media/libstagefright/httplive/LiveSession.h
+++ b/media/libstagefright/httplive/LiveSession.h
@@ -19,6 +19,7 @@
 #define LIVE_SESSION_H_
 
 #include <media/stagefright/foundation/AHandler.h>
+#include <media/mediaplayer.h>
 
 #include <utils/String8.h>
 
@@ -73,6 +74,7 @@
     size_t getTrackCount() const;
     sp<AMessage> getTrackInfo(size_t trackIndex) const;
     status_t selectTrack(size_t index, bool select);
+    ssize_t getSelectedTrack(media_track_type /* type */) const;
 
     bool isSeekable() const;
     bool hasDynamicDuration() const;
@@ -112,6 +114,8 @@
         kWhatSwitchDown                 = 'sDwn',
     };
 
+    static const size_t kBandwidthHistoryBytes;
+
     struct BandwidthItem {
         size_t mPlaylistIndex;
         unsigned long mBandwidth;
diff --git a/media/libstagefright/httplive/M3UParser.cpp b/media/libstagefright/httplive/M3UParser.cpp
index 1651dee..eb62c7a 100644
--- a/media/libstagefright/httplive/M3UParser.cpp
+++ b/media/libstagefright/httplive/M3UParser.cpp
@@ -66,6 +66,9 @@
     virtual ~MediaGroup();
 
 private:
+
+    friend struct M3UParser;
+
     struct Media {
         AString mName;
         AString mURI;
@@ -356,6 +359,38 @@
     return mSelectedIndex;
 }
 
+ssize_t M3UParser::getSelectedTrack(media_track_type type) const {
+    MediaGroup::Type groupType;
+    switch (type) {
+        case MEDIA_TRACK_TYPE_VIDEO:
+            groupType = MediaGroup::TYPE_VIDEO;
+            break;
+
+        case MEDIA_TRACK_TYPE_AUDIO:
+            groupType = MediaGroup::TYPE_AUDIO;
+            break;
+
+        case MEDIA_TRACK_TYPE_SUBTITLE:
+            groupType = MediaGroup::TYPE_SUBS;
+            break;
+
+        default:
+            return -1;
+    }
+
+    for (size_t i = 0, ii = 0; i < mMediaGroups.size(); ++i) {
+        sp<MediaGroup> group = mMediaGroups.valueAt(i);
+        size_t tracks = group->countTracks();
+        if (groupType != group->mType) {
+            ii += tracks;
+        } else if (group->mSelectedIndex >= 0) {
+            return ii + group->mSelectedIndex;
+        }
+    }
+
+    return -1;
+}
+
 bool M3UParser::getTypeURI(size_t index, const char *key, AString *uri) const {
     if (!mIsVariantPlaylist) {
         *uri = mBaseURI;
diff --git a/media/libstagefright/httplive/M3UParser.h b/media/libstagefright/httplive/M3UParser.h
index d588afe..1cad060 100644
--- a/media/libstagefright/httplive/M3UParser.h
+++ b/media/libstagefright/httplive/M3UParser.h
@@ -21,6 +21,7 @@
 #include <media/stagefright/foundation/ABase.h>
 #include <media/stagefright/foundation/AMessage.h>
 #include <media/stagefright/foundation/AString.h>
+#include <media/mediaplayer.h>
 #include <utils/Vector.h>
 
 namespace android {
@@ -46,6 +47,7 @@
     size_t getTrackCount() const;
     sp<AMessage> getTrackInfo(size_t index) const;
     ssize_t getSelectedIndex() const;
+    ssize_t getSelectedTrack(media_track_type /* type */) const;
 
     bool getTypeURI(size_t index, const char *key, AString *uri) const;
 
diff --git a/media/libstagefright/httplive/PlaylistFetcher.cpp b/media/libstagefright/httplive/PlaylistFetcher.cpp
index 2873fc4..1526af1 100644
--- a/media/libstagefright/httplive/PlaylistFetcher.cpp
+++ b/media/libstagefright/httplive/PlaylistFetcher.cpp
@@ -49,8 +49,9 @@
 // static
 const int64_t PlaylistFetcher::kMinBufferedDurationUs = 10000000ll;
 const int64_t PlaylistFetcher::kMaxMonitorDelayUs = 3000000ll;
-const int32_t PlaylistFetcher::kDownloadBlockSize = 2048;
-const int32_t PlaylistFetcher::kNumSkipFrames = 10;
+// LCM of 188 (size of a TS packet) & 1k works well
+const int32_t PlaylistFetcher::kDownloadBlockSize = 47 * 1024;
+const int32_t PlaylistFetcher::kNumSkipFrames = 5;
 
 PlaylistFetcher::PlaylistFetcher(
         const sp<AMessage> &notify,
@@ -560,7 +561,7 @@
         // Don't resume if we would stop within a resume threshold.
         int32_t discontinuitySeq;
         int64_t latestTimeUs = 0, stopTimeUs = 0;
-        sp<AMessage> latestMeta = packetSource->getLatestDequeuedMeta();
+        sp<AMessage> latestMeta = packetSource->getLatestEnqueuedMeta();
         if (latestMeta != NULL
                 && latestMeta->findInt32("discontinuitySeq", &discontinuitySeq)
                 && discontinuitySeq == mDiscontinuitySeq
@@ -609,7 +610,12 @@
     int32_t targetDurationSecs;
     int64_t targetDurationUs = kMinBufferedDurationUs;
     if (mPlaylist != NULL) {
-        CHECK(mPlaylist->meta()->findInt32("target-duration", &targetDurationSecs));
+        if (mPlaylist->meta() == NULL || !mPlaylist->meta()->findInt32(
+                "target-duration", &targetDurationSecs)) {
+            ALOGE("Playlist is missing required EXT-X-TARGETDURATION tag");
+            notifyError(ERROR_MALFORMED);
+            return;
+        }
         targetDurationUs = targetDurationSecs * 1000000ll;
     }
 
@@ -699,8 +705,7 @@
                     mRefreshState = (RefreshState)(mRefreshState + 1);
                 }
             } else {
-                ALOGE("failed to load playlist at url '%s'", mURI.c_str());
-                notifyError(ERROR_IO);
+                ALOGE("failed to load playlist at url '%s'", uriDebugString(mURI).c_str());
                 return ERROR_IO;
             }
         } else {
@@ -723,26 +728,25 @@
 }
 
 void PlaylistFetcher::onDownloadNext() {
-    if (refreshPlaylist() != OK) {
-        return;
-    }
-
-    int32_t firstSeqNumberInPlaylist;
-    if (mPlaylist->meta() == NULL || !mPlaylist->meta()->findInt32(
-                "media-sequence", &firstSeqNumberInPlaylist)) {
-        firstSeqNumberInPlaylist = 0;
-    }
-
+    status_t err = refreshPlaylist();
+    int32_t firstSeqNumberInPlaylist = 0;
+    int32_t lastSeqNumberInPlaylist = 0;
     bool discontinuity = false;
 
-    const int32_t lastSeqNumberInPlaylist =
-        firstSeqNumberInPlaylist + (int32_t)mPlaylist->size() - 1;
+    if (mPlaylist != NULL) {
+        if (mPlaylist->meta() != NULL) {
+            mPlaylist->meta()->findInt32("media-sequence", &firstSeqNumberInPlaylist);
+        }
 
-    if (mDiscontinuitySeq < 0) {
-        mDiscontinuitySeq = mPlaylist->getDiscontinuitySeq();
+        lastSeqNumberInPlaylist =
+                firstSeqNumberInPlaylist + (int32_t)mPlaylist->size() - 1;
+
+        if (mDiscontinuitySeq < 0) {
+            mDiscontinuitySeq = mPlaylist->getDiscontinuitySeq();
+        }
     }
 
-    if (mSeqNumber < 0) {
+    if (mPlaylist != NULL && mSeqNumber < 0) {
         CHECK_GE(mStartTimeUs, 0ll);
 
         if (mSegmentStartTimeUs < 0) {
@@ -784,19 +788,26 @@
         }
     }
 
+    // if mPlaylist is NULL then err must be non-OK; but the other way around might not be true
     if (mSeqNumber < firstSeqNumberInPlaylist
-            || mSeqNumber > lastSeqNumberInPlaylist) {
-        if (!mPlaylist->isComplete() && mNumRetries < kMaxNumRetries) {
+            || mSeqNumber > lastSeqNumberInPlaylist
+            || err != OK) {
+        if ((err != OK || !mPlaylist->isComplete()) && mNumRetries < kMaxNumRetries) {
             ++mNumRetries;
 
-            if (mSeqNumber > lastSeqNumberInPlaylist) {
+            if (mSeqNumber > lastSeqNumberInPlaylist || err != OK) {
+                // make sure we reach this retry logic on refresh failures
+                // by adding an err != OK clause to all enclosing if's.
+
                 // refresh in increasing fraction (1/2, 1/3, ...) of the
                 // playlist's target duration or 3 seconds, whichever is less
-                int32_t targetDurationSecs;
-                CHECK(mPlaylist->meta()->findInt32(
-                        "target-duration", &targetDurationSecs));
-                int64_t delayUs = mPlaylist->size() * targetDurationSecs *
-                        1000000ll / (1 + mNumRetries);
+                int64_t delayUs = kMaxMonitorDelayUs;
+                if (mPlaylist != NULL && mPlaylist->meta() != NULL) {
+                    int32_t targetDurationSecs;
+                    CHECK(mPlaylist->meta()->findInt32("target-duration", &targetDurationSecs));
+                    delayUs = mPlaylist->size() * targetDurationSecs *
+                            1000000ll / (1 + mNumRetries);
+                }
                 if (delayUs > kMaxMonitorDelayUs) {
                     delayUs = kMaxMonitorDelayUs;
                 }
@@ -808,13 +819,30 @@
                 return;
             }
 
-            // we've missed the boat, let's start from the lowest sequence
+            if (err != OK) {
+                notifyError(err);
+                return;
+            }
+
+            // we've missed the boat, let's start 3 segments prior to the latest sequence
             // number available and signal a discontinuity.
 
             ALOGI("We've missed the boat, restarting playback."
                   "  mStartup=%d, was  looking for %d in %d-%d",
                     mStartup, mSeqNumber, firstSeqNumberInPlaylist,
                     lastSeqNumberInPlaylist);
+            if (mStopParams != NULL) {
+                // we should have kept on fetching until we hit the boundaries in mStopParams,
+                // but since the segments we are supposed to fetch have already rolled off
+                // the playlist, i.e. we have already missed the boat, we inevitably have to
+                // skip.
+                for (size_t i = 0; i < mPacketSources.size(); i++) {
+                    sp<ABuffer> formatChange = mSession->createFormatChangeBuffer();
+                    mPacketSources.valueAt(i)->queueAccessUnit(formatChange);
+                }
+                stopAsync(/* clear = */ false);
+                return;
+            }
             mSeqNumber = lastSeqNumberInPlaylist - 3;
             if (mSeqNumber < firstSeqNumberInPlaylist) {
                 mSeqNumber = firstSeqNumberInPlaylist;
@@ -962,8 +990,8 @@
     } while (bytesRead != 0);
 
     if (bufferStartsWithTsSyncByte(buffer)) {
-        // If we still don't see a stream after fetching a full ts segment mark it as
-        // nonexistent.
+        // If we don't see a stream in the program table after fetching a full ts segment
+        // mark it as nonexistent.
         const size_t kNumTypes = ATSParser::NUM_SOURCE_TYPES;
         ATSParser::SourceType srcTypes[kNumTypes] =
                 { ATSParser::VIDEO, ATSParser::AUDIO };
@@ -978,7 +1006,7 @@
                 static_cast<AnotherPacketSource *>(
                     mTSParser->getSource(srcType).get());
 
-            if (source == NULL) {
+            if (!mTSParser->hasSource(srcType)) {
                 ALOGW("MPEG2 Transport stream does not contain %s data.",
                       srcType == ATSParser::VIDEO ? "video" : "audio");
 
@@ -995,7 +1023,7 @@
         return;
     }
 
-    status_t err = OK;
+    err = OK;
     if (tsBuffer != NULL) {
         AString method;
         CHECK(buffer->meta()->findString("cipher-method", &method));
@@ -1136,6 +1164,11 @@
         accessUnit->meta()->setInt32("discard", discard);
     }
 
+    int32_t targetDurationSecs;
+    if (mPlaylist->meta()->findInt32("target-duration", &targetDurationSecs)) {
+        accessUnit->meta()->setInt32("targetDuration", targetDurationSecs);
+    }
+
     accessUnit->meta()->setInt32("discontinuitySeq", mDiscontinuitySeq);
     accessUnit->meta()->setInt64("segmentStartTimeUs", getSegmentStartTimeUs(mSeqNumber));
     return accessUnit;
@@ -1154,7 +1187,7 @@
         extra->setInt64(IStreamListener::kKeyMediaTimeUs, 0);
 
         mTSParser->signalDiscontinuity(
-                ATSParser::DISCONTINUITY_SEEK, extra);
+                ATSParser::DISCONTINUITY_TIME, extra);
 
         mAbsoluteTimeAnchorUs = mNextPTSTimeUs;
         mNextPTSTimeUs = -1ll;
@@ -1255,6 +1288,11 @@
 
             CHECK(accessUnit->meta()->findInt64("timeUs", &timeUs));
             if (mStartTimeUsNotify != NULL && timeUs > mStartTimeUs) {
+                int32_t firstSeqNumberInPlaylist;
+                if (mPlaylist->meta() == NULL || !mPlaylist->meta()->findInt32(
+                            "media-sequence", &firstSeqNumberInPlaylist)) {
+                    firstSeqNumberInPlaylist = 0;
+                }
 
                 int32_t targetDurationSecs;
                 CHECK(mPlaylist->meta()->findInt32("target-duration", &targetDurationSecs));
@@ -1265,6 +1303,8 @@
                 //   mStartTimeUs.
                 // mSegmentStartTimeUs >= 0
                 //   mSegmentStartTimeUs is non-negative when adapting or switching tracks
+                // mSeqNumber > firstSeqNumberInPlaylist
+                //   don't decrement mSeqNumber if it already points to the 1st segment
                 // timeUs - mStartTimeUs > targetDurationUs:
                 //   This and the 2 above conditions should only happen when adapting in a live
                 //   stream; the old fetcher has already fetched to mStartTimeUs; the new fetcher
@@ -1274,6 +1314,7 @@
                 //   stop as early as possible. The definition of being "too far ahead" is
                 //   arbitrary; here we use targetDurationUs as threshold.
                 if (mStartup && mSegmentStartTimeUs >= 0
+                        && mSeqNumber > firstSeqNumberInPlaylist
                         && timeUs - mStartTimeUs > targetDurationUs) {
                     // we just guessed a starting timestamp that is too high when adapting in a
                     // live stream; re-adjust based on the actual timestamp extracted from the
@@ -1586,6 +1627,7 @@
                 mStartTimeUsNotify->setInt32("streamMask", LiveSession::STREAMTYPE_AUDIO);
                 mStartTimeUsNotify->post();
                 mStartTimeUsNotify.clear();
+                mStartup = false;
             }
         }
 
@@ -1636,7 +1678,7 @@
 
 int64_t PlaylistFetcher::resumeThreshold(const sp<AMessage> &msg) {
     int64_t durationUs;
-    if (msg->findInt64("durationUs", &durationUs)) {
+    if (msg->findInt64("durationUs", &durationUs) && durationUs > 0) {
         return kNumSkipFrames * durationUs;
     }
 
diff --git a/media/libstagefright/httplive/PlaylistFetcher.h b/media/libstagefright/httplive/PlaylistFetcher.h
index 76cc852..4e15f85 100644
--- a/media/libstagefright/httplive/PlaylistFetcher.h
+++ b/media/libstagefright/httplive/PlaylistFetcher.h
@@ -34,6 +34,9 @@
 class String8;
 
 struct PlaylistFetcher : public AHandler {
+    static const int64_t kMinBufferedDurationUs;
+    static const int32_t kDownloadBlockSize;
+
     enum {
         kWhatStarted,
         kWhatPaused,
@@ -92,9 +95,7 @@
         kWhatDownloadNext   = 'dlnx',
     };
 
-    static const int64_t kMinBufferedDurationUs;
     static const int64_t kMaxMonitorDelayUs;
-    static const int32_t kDownloadBlockSize;
     static const int32_t kNumSkipFrames;
 
     static bool bufferStartsWithTsSyncByte(const sp<ABuffer>& buffer);
diff --git a/media/libstagefright/include/HTTPBase.h b/media/libstagefright/include/HTTPBase.h
index 1c3cd5e..0c66e27 100644
--- a/media/libstagefright/include/HTTPBase.h
+++ b/media/libstagefright/include/HTTPBase.h
@@ -48,6 +48,8 @@
 
     virtual status_t setBandwidthStatCollectFreq(int32_t freqMs);
 
+    virtual void setBandwidthHistorySize(size_t numHistoryItems);
+
     static void RegisterSocketUserTag(int sockfd, uid_t uid, uint32_t kTag);
     static void UnRegisterSocketUserTag(int sockfd);
 
@@ -55,7 +57,7 @@
     static void UnRegisterSocketUserMark(int sockfd);
 
 protected:
-    void addBandwidthMeasurement(size_t numBytes, int64_t delayUs);
+    virtual void addBandwidthMeasurement(size_t numBytes, int64_t delayUs);
 
 private:
     struct BandwidthEntry {
@@ -69,6 +71,7 @@
     size_t mNumBandwidthHistoryItems;
     int64_t mTotalTransferTimeUs;
     size_t mTotalTransferBytes;
+    size_t mMaxBandwidthHistoryItems;
 
     enum {
         kMinBandwidthCollectFreqMs = 1000,   // 1 second
diff --git a/media/libstagefright/include/OMXNodeInstance.h b/media/libstagefright/include/OMXNodeInstance.h
index 24d431c..104dcfc 100644
--- a/media/libstagefright/include/OMXNodeInstance.h
+++ b/media/libstagefright/include/OMXNodeInstance.h
@@ -31,7 +31,7 @@
 
 struct OMXNodeInstance {
     OMXNodeInstance(
-            OMX *owner, const sp<IOMXObserver> &observer);
+            OMX *owner, const sp<IOMXObserver> &observer, const char *name);
 
     void setHandle(OMX::node_id node_id, OMX_HANDLETYPE handle);
 
@@ -149,6 +149,18 @@
     KeyedVector<OMX_BUFFERHEADERTYPE *, OMX::buffer_id> mBufferHeaderToBufferID;
 #endif
 
+    // For debug support
+    char *mName;
+    int DEBUG;
+    size_t mNumPortBuffers[2];  // modified under mLock, read outside for debug
+    Mutex mDebugLock;
+    // following are modified and read under mDebugLock
+    int DEBUG_BUMP;
+    SortedVector<OMX_BUFFERHEADERTYPE *> mInputBuffersWithCodec, mOutputBuffersWithCodec;
+    size_t mDebugLevelBumpPendingBuffers[2];
+    void bumpDebugLevel_l(size_t numInputBuffers, size_t numOutputBuffers);
+    void unbumpDebugLevel_l(size_t portIndex);
+
     ~OMXNodeInstance();
 
     void addActiveBuffer(OMX_U32 portIndex, OMX::buffer_id id);
@@ -186,6 +198,10 @@
             OMX_U32 portIndex, OMX_BOOL enable,
             OMX_BOOL useGraphicBuffer, OMX_BOOL *usingGraphicBufferInMeta);
 
+    status_t emptyBuffer_l(
+            OMX_BUFFERHEADERTYPE *header,
+            OMX_U32 flags, OMX_TICKS timestamp, intptr_t debugAddr);
+
     sp<GraphicBufferSource> getGraphicBufferSource();
     void setGraphicBufferSource(const sp<GraphicBufferSource>& bufferSource);
 
diff --git a/media/libstagefright/include/SoftVideoDecoderOMXComponent.h b/media/libstagefright/include/SoftVideoDecoderOMXComponent.h
index 9e97ebd..4529007 100644
--- a/media/libstagefright/include/SoftVideoDecoderOMXComponent.h
+++ b/media/libstagefright/include/SoftVideoDecoderOMXComponent.h
@@ -61,9 +61,10 @@
     void initPorts(OMX_U32 numInputBuffers,
             OMX_U32 inputBufferSize,
             OMX_U32 numOutputBuffers,
-            const char *mimeType);
+            const char *mimeType,
+            OMX_U32 minCompressionRatio = 1u);
 
-    virtual void updatePortDefinitions(bool updateCrop = true);
+    virtual void updatePortDefinitions(bool updateCrop = true, bool updateInputSize = false);
 
     uint32_t outputBufferWidth();
     uint32_t outputBufferHeight();
@@ -99,6 +100,9 @@
     } mOutputPortSettingsChange;
 
 private:
+    uint32_t mMinInputBufferSize;
+    uint32_t mMinCompressionRatio;
+
     const char *mComponentRole;
     OMX_VIDEO_CODINGTYPE mCodingType;
     const CodecProfileLevel *mProfileLevels;
diff --git a/media/libstagefright/include/SoftVideoEncoderOMXComponent.h b/media/libstagefright/include/SoftVideoEncoderOMXComponent.h
index b3b810d..b43635d 100644
--- a/media/libstagefright/include/SoftVideoEncoderOMXComponent.h
+++ b/media/libstagefright/include/SoftVideoEncoderOMXComponent.h
@@ -18,6 +18,8 @@
 
 #define SOFT_VIDEO_ENCODER_OMX_COMPONENT_H_
 
+#include <media/IOMX.h>
+
 #include "SimpleSoftOMXComponent.h"
 #include <system/window.h>
 
@@ -28,11 +30,26 @@
 struct SoftVideoEncoderOMXComponent : public SimpleSoftOMXComponent {
     SoftVideoEncoderOMXComponent(
             const char *name,
+            const char *componentRole,
+            OMX_VIDEO_CODINGTYPE codingType,
+            const CodecProfileLevel *profileLevels,
+            size_t numProfileLevels,
+            int32_t width,
+            int32_t height,
             const OMX_CALLBACKTYPE *callbacks,
             OMX_PTR appData,
             OMX_COMPONENTTYPE **component);
 
+    virtual OMX_ERRORTYPE internalSetParameter(OMX_INDEXTYPE index, const OMX_PTR param);
+    virtual OMX_ERRORTYPE internalGetParameter(OMX_INDEXTYPE index, OMX_PTR params);
+
 protected:
+    void initPorts(
+            OMX_U32 numInputBuffers, OMX_U32 numOutputBuffers, OMX_U32 outputBufferSize,
+            const char *mime, OMX_U32 minCompressionRatio = 1);
+
+    static void setRawVideoSize(OMX_PARAM_PORTDEFINITIONTYPE *def);
+
     static void ConvertFlexYUVToPlanar(
             uint8_t *dst, size_t dstStride, size_t dstVStride,
             struct android_ycbcr *ycbcr, int32_t width, int32_t height);
@@ -56,9 +73,30 @@
         kOutputPortIndex = 1,
     };
 
+    bool mInputDataIsMeta;
+    int32_t mWidth;      // width of the input frames
+    int32_t mHeight;     // height of the input frames
+    uint32_t mBitrate;   // target bitrate set for the encoder, in bits per second
+    uint32_t mFramerate; // target framerate set for the encoder, in Q16 format
+    OMX_COLOR_FORMATTYPE mColorFormat;  // Color format for the input port
+
 private:
+    void updatePortParams();
+    OMX_ERRORTYPE internalSetPortParams(const OMX_PARAM_PORTDEFINITIONTYPE* port);
+
+    static const uint32_t kInputBufferAlignment = 1;
+    static const uint32_t kOutputBufferAlignment = 2;
+
     mutable const hw_module_t *mGrallocModule;
 
+    uint32_t mMinOutputBufferSize;
+    uint32_t mMinCompressionRatio;
+
+    const char *mComponentRole;
+    OMX_VIDEO_CODINGTYPE mCodingType;
+    const CodecProfileLevel *mProfileLevels;
+    size_t mNumProfileLevels;
+
     DISALLOW_EVIL_CONSTRUCTORS(SoftVideoEncoderOMXComponent);
 };
 
diff --git a/media/libstagefright/matroska/MatroskaExtractor.cpp b/media/libstagefright/matroska/MatroskaExtractor.cpp
index 89ffa0c..0712bf0 100644
--- a/media/libstagefright/matroska/MatroskaExtractor.cpp
+++ b/media/libstagefright/matroska/MatroskaExtractor.cpp
@@ -413,16 +413,16 @@
 
     const mkvparser::CuePoint* pCP;
     mkvparser::Tracks const *pTracks = pSegment->GetTracks();
-    unsigned long int trackCount = pTracks->GetTracksCount();
     while (!pCues->DoneParsing()) {
         pCues->LoadCuePoint();
         pCP = pCues->GetLast();
         CHECK(pCP);
 
+        size_t trackCount = mExtractor->mTracks.size();
         for (size_t index = 0; index < trackCount; ++index) {
-            const mkvparser::Track *pTrack = pTracks->GetTrackByIndex(index);
+            MatroskaExtractor::TrackInfo& track = mExtractor->mTracks.editItemAt(index);
+            const mkvparser::Track *pTrack = pTracks->GetTrackByNumber(track.mTrackNum);
             if (pTrack && pTrack->GetType() == 1 && pCP->Find(pTrack)) { // VIDEO_TRACK
-                MatroskaExtractor::TrackInfo& track = mExtractor->mTracks.editItemAt(index);
                 track.mCuePoints.push_back(pCP);
             }
         }
@@ -434,12 +434,13 @@
     }
 
     const mkvparser::CuePoint::TrackPosition *pTP = NULL;
-    const mkvparser::Track *thisTrack = pTracks->GetTrackByIndex(mIndex);
+    const mkvparser::Track *thisTrack = pTracks->GetTrackByNumber(mTrackNum);
     if (thisTrack->GetType() == 1) { // video
         MatroskaExtractor::TrackInfo& track = mExtractor->mTracks.editItemAt(mIndex);
         pTP = track.find(seekTimeNs);
     } else {
         // The Cue index is built around video keyframes
+        unsigned long int trackCount = pTracks->GetTracksCount();
         for (size_t index = 0; index < trackCount; ++index) {
             const mkvparser::Track *pTrack = pTracks->GetTrackByIndex(index);
             if (pTrack && pTrack->GetType() == 1 && pCues->Find(seekTimeNs, pTrack, pCP, pTP)) {
diff --git a/media/libstagefright/mpeg2ts/ATSParser.cpp b/media/libstagefright/mpeg2ts/ATSParser.cpp
index 6d8866a..482ccff 100644
--- a/media/libstagefright/mpeg2ts/ATSParser.cpp
+++ b/media/libstagefright/mpeg2ts/ATSParser.cpp
@@ -63,6 +63,7 @@
     void signalEOS(status_t finalResult);
 
     sp<MediaSource> getSource(SourceType type);
+    bool hasSource(SourceType type) const;
 
     int64_t convertPTSToTimestamp(uint64_t PTS);
 
@@ -119,6 +120,9 @@
 
     sp<MediaSource> getSource(SourceType type);
 
+    bool isAudio() const;
+    bool isVideo() const;
+
 protected:
     virtual ~Stream();
 
@@ -146,9 +150,6 @@
 
     void extractAACFrames(const sp<ABuffer> &buffer);
 
-    bool isAudio() const;
-    bool isVideo() const;
-
     DISALLOW_EVIL_CONSTRUCTORS(Stream);
 };
 
@@ -244,11 +245,16 @@
 status_t ATSParser::Program::parseProgramMap(ABitReader *br) {
     unsigned table_id = br->getBits(8);
     ALOGV("  table_id = %u", table_id);
-    CHECK_EQ(table_id, 0x02u);
-
+    if (table_id != 0x02u) {
+        ALOGE("PMT data error!");
+        return ERROR_MALFORMED;
+    }
     unsigned section_syntax_indicator = br->getBits(1);
     ALOGV("  section_syntax_indicator = %u", section_syntax_indicator);
-    CHECK_EQ(section_syntax_indicator, 1u);
+    if (section_syntax_indicator != 1u) {
+        ALOGE("PMT data error!");
+        return ERROR_MALFORMED;
+    }
 
     CHECK_EQ(br->getBits(1), 0u);
     MY_LOGV("  reserved = %u", br->getBits(2));
@@ -435,6 +441,19 @@
     return NULL;
 }
 
+bool ATSParser::Program::hasSource(SourceType type) const {
+    for (size_t i = 0; i < mStreams.size(); ++i) {
+        const sp<Stream> &stream = mStreams.valueAt(i);
+        if (type == AUDIO && stream->isAudio()) {
+            return true;
+        } else if (type == VIDEO && stream->isVideo()) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
 int64_t ATSParser::Program::convertPTSToTimestamp(uint64_t PTS) {
     if (!(mParser->mFlags & TS_TIMESTAMPS_ARE_ABSOLUTE)) {
         if (!mFirstPTSValid) {
@@ -660,7 +679,7 @@
             int64_t resumeAtMediaTimeUs =
                 mProgram->convertPTSToTimestamp(resumeAtPTS);
 
-            extra->setInt64("resume-at-mediatimeUs", resumeAtMediaTimeUs);
+            extra->setInt64("resume-at-mediaTimeUs", resumeAtMediaTimeUs);
         }
     }
 
@@ -739,8 +758,10 @@
         if (PTS_DTS_flags == 2 || PTS_DTS_flags == 3) {
             CHECK_GE(optional_bytes_remaining, 5u);
 
-            CHECK_EQ(br->getBits(4), PTS_DTS_flags);
-
+            if (br->getBits(4) != PTS_DTS_flags) {
+                ALOGE("PES data Error!");
+                return ERROR_MALFORMED;
+            }
             PTS = ((uint64_t)br->getBits(3)) << 30;
             CHECK_EQ(br->getBits(1), 1u);
             PTS |= ((uint64_t)br->getBits(15)) << 15;
@@ -1003,8 +1024,10 @@
 void ATSParser::parseProgramAssociationTable(ABitReader *br) {
     unsigned table_id = br->getBits(8);
     ALOGV("  table_id = %u", table_id);
-    CHECK_EQ(table_id, 0x00u);
-
+    if (table_id != 0x00u) {
+        ALOGE("PAT data error!");
+        return ;
+    }
     unsigned section_syntax_indictor = br->getBits(1);
     ALOGV("  section_syntax_indictor = %u", section_syntax_indictor);
     CHECK_EQ(section_syntax_indictor, 1u);
@@ -1074,7 +1097,9 @@
         sp<PSISection> section = mPSISections.valueAt(sectionIndex);
 
         if (payload_unit_start_indicator) {
-            CHECK(section->isEmpty());
+            if (!section->isEmpty()) {
+                return ERROR_UNSUPPORTED;
+            }
 
             unsigned skip = br->getBits(8);
             br->skipBits(skip * 8);
@@ -1203,7 +1228,10 @@
     ALOGV("---");
 
     unsigned sync_byte = br->getBits(8);
-    CHECK_EQ(sync_byte, 0x47u);
+    if (sync_byte != 0x47u) {
+        ALOGE("[error] parseTS: return error as sync_byte=0x%x", sync_byte);
+        return BAD_VALUE;
+    }
 
     if (br->getBits(1)) {  // transport_error_indicator
         // silently ignore.
@@ -1264,6 +1292,17 @@
     return NULL;
 }
 
+bool ATSParser::hasSource(SourceType type) const {
+    for (size_t i = 0; i < mPrograms.size(); ++i) {
+        const sp<Program> &program = mPrograms.itemAt(i);
+        if (program->hasSource(type)) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
 bool ATSParser::PTSTimeDeltaEstablished() {
     if (mPrograms.isEmpty()) {
         return false;
diff --git a/media/libstagefright/mpeg2ts/ATSParser.h b/media/libstagefright/mpeg2ts/ATSParser.h
index b5cc6ed..75d76dc 100644
--- a/media/libstagefright/mpeg2ts/ATSParser.h
+++ b/media/libstagefright/mpeg2ts/ATSParser.h
@@ -41,8 +41,6 @@
         DISCONTINUITY_ABSOLUTE_TIME     = 8,
         DISCONTINUITY_TIME_OFFSET       = 16,
 
-        DISCONTINUITY_SEEK              = DISCONTINUITY_TIME,
-
         // For legacy reasons this also implies a time discontinuity.
         DISCONTINUITY_FORMATCHANGE      =
             DISCONTINUITY_AUDIO_FORMAT
@@ -76,6 +74,7 @@
         NUM_SOURCE_TYPES = 2
     };
     sp<MediaSource> getSource(SourceType type);
+    bool hasSource(SourceType type) const;
 
     bool PTSTimeDeltaEstablished();
 
diff --git a/media/libstagefright/mpeg2ts/AnotherPacketSource.cpp b/media/libstagefright/mpeg2ts/AnotherPacketSource.cpp
index a03f6f9..f266fe7 100644
--- a/media/libstagefright/mpeg2ts/AnotherPacketSource.cpp
+++ b/media/libstagefright/mpeg2ts/AnotherPacketSource.cpp
@@ -218,12 +218,19 @@
     }
 
     if (mLatestEnqueuedMeta == NULL) {
-        mLatestEnqueuedMeta = buffer->meta();
+        mLatestEnqueuedMeta = buffer->meta()->dup();
     } else {
         int64_t latestTimeUs = 0;
+        int64_t frameDeltaUs = 0;
         CHECK(mLatestEnqueuedMeta->findInt64("timeUs", &latestTimeUs));
         if (lastQueuedTimeUs > latestTimeUs) {
-            mLatestEnqueuedMeta = buffer->meta();
+            mLatestEnqueuedMeta = buffer->meta()->dup();
+            frameDeltaUs = lastQueuedTimeUs - latestTimeUs;
+            mLatestEnqueuedMeta->setInt64("durationUs", frameDeltaUs);
+        } else if (!mLatestEnqueuedMeta->findInt64("durationUs", &frameDeltaUs)) {
+            // For B frames
+            frameDeltaUs = latestTimeUs - lastQueuedTimeUs;
+            mLatestEnqueuedMeta->setInt64("durationUs", frameDeltaUs);
         }
     }
 }
@@ -265,8 +272,12 @@
     mEOSResult = OK;
     mLastQueuedTimeUs = 0;
     mLatestEnqueuedMeta = NULL;
-    ++mQueuedDiscontinuityCount;
 
+    if (type == ATSParser::DISCONTINUITY_NONE) {
+        return;
+    }
+
+    ++mQueuedDiscontinuityCount;
     sp<ABuffer> buffer = new ABuffer(0);
     buffer->meta()->setInt32("discontinuity", static_cast<int32_t>(type));
     buffer->meta()->setMessage("extra", extra);
diff --git a/media/libstagefright/mpeg2ts/ESQueue.cpp b/media/libstagefright/mpeg2ts/ESQueue.cpp
index 459591d..a605595 100644
--- a/media/libstagefright/mpeg2ts/ESQueue.cpp
+++ b/media/libstagefright/mpeg2ts/ESQueue.cpp
@@ -170,8 +170,9 @@
     return parseAC3SyncFrame(ptr, size, NULL) > 0;
 }
 
-static bool IsSeeminglyValidADTSHeader(const uint8_t *ptr, size_t size) {
-    if (size < 3) {
+static bool IsSeeminglyValidADTSHeader(
+        const uint8_t *ptr, size_t size, size_t *frameLength) {
+    if (size < 7) {
         // Not enough data to verify header.
         return false;
     }
@@ -194,6 +195,13 @@
         return false;
     }
 
+    size_t frameLengthInHeader =
+            ((ptr[3] & 3) << 11) + (ptr[4] << 3) + ((ptr[5] >> 5) & 7);
+    if (frameLengthInHeader > size) {
+        return false;
+    }
+
+    *frameLength = frameLengthInHeader;
     return true;
 }
 
@@ -315,8 +323,10 @@
                 }
 #else
                 ssize_t startOffset = -1;
+                size_t frameLength;
                 for (size_t i = 0; i < size; ++i) {
-                    if (IsSeeminglyValidADTSHeader(&ptr[i], size - i)) {
+                    if (IsSeeminglyValidADTSHeader(
+                            &ptr[i], size - i, &frameLength)) {
                         startOffset = i;
                         break;
                     }
@@ -332,6 +342,12 @@
                           startOffset);
                 }
 
+                if (frameLength != size - startOffset) {
+                    ALOGV("First ADTS AAC frame length is %zd bytes, "
+                          "while the buffer size is %zd bytes.",
+                          frameLength, size - startOffset);
+                }
+
                 data = &ptr[startOffset];
                 size -= startOffset;
 #endif
diff --git a/media/libstagefright/omx/GraphicBufferSource.cpp b/media/libstagefright/omx/GraphicBufferSource.cpp
index 3e70956..44c7edc 100644
--- a/media/libstagefright/omx/GraphicBufferSource.cpp
+++ b/media/libstagefright/omx/GraphicBufferSource.cpp
@@ -750,7 +750,7 @@
 }
 
 // BufferQueue::ConsumerListener callback
-void GraphicBufferSource::onFrameAvailable() {
+void GraphicBufferSource::onFrameAvailable(const BufferItem& /*item*/) {
     Mutex::Autolock autoLock(mMutex);
 
     ALOGV("onFrameAvailable exec=%d avail=%zu",
diff --git a/media/libstagefright/omx/GraphicBufferSource.h b/media/libstagefright/omx/GraphicBufferSource.h
index c0860ab..c8e3775 100644
--- a/media/libstagefright/omx/GraphicBufferSource.h
+++ b/media/libstagefright/omx/GraphicBufferSource.h
@@ -137,7 +137,7 @@
     // into the codec buffer, and call Empty[This]Buffer.  If we're not yet
     // executing or there's no codec buffer available, we just increment
     // mNumFramesAvailable and return.
-    virtual void onFrameAvailable();
+    virtual void onFrameAvailable(const BufferItem& item);
 
     // BufferQueue::ConsumerListener interface, called when the client has
     // released one or more GraphicBuffers.  We clear out the appropriate
diff --git a/media/libstagefright/omx/OMX.cpp b/media/libstagefright/omx/OMX.cpp
index 43f0bc9..f8d38ff 100644
--- a/media/libstagefright/omx/OMX.cpp
+++ b/media/libstagefright/omx/OMX.cpp
@@ -225,7 +225,7 @@
 
     *node = 0;
 
-    OMXNodeInstance *instance = new OMXNodeInstance(this, observer);
+    OMXNodeInstance *instance = new OMXNodeInstance(this, observer, name);
 
     OMX_COMPONENTTYPE *handle;
     OMX_ERRORTYPE err = mMaster->makeComponentInstance(
diff --git a/media/libstagefright/omx/OMXNodeInstance.cpp b/media/libstagefright/omx/OMXNodeInstance.cpp
index d07ec14..c04d95f 100644
--- a/media/libstagefright/omx/OMXNodeInstance.cpp
+++ b/media/libstagefright/omx/OMXNodeInstance.cpp
@@ -18,11 +18,15 @@
 #define LOG_TAG "OMXNodeInstance"
 #include <utils/Log.h>
 
+#include <inttypes.h>
+
 #include "../include/OMXNodeInstance.h"
 #include "OMXMaster.h"
 #include "GraphicBufferSource.h"
 
 #include <OMX_Component.h>
+#include <OMX_IndexExt.h>
+#include <OMX_AsString.h>
 
 #include <binder/IMemory.h>
 #include <gui/BufferQueue.h>
@@ -30,7 +34,68 @@
 #include <media/stagefright/foundation/ADebug.h>
 #include <media/stagefright/MediaErrors.h>
 
+#include <utils/misc.h>
+
 static const OMX_U32 kPortIndexInput = 0;
+static const OMX_U32 kPortIndexOutput = 1;
+
+#define CLOGW(fmt, ...) ALOGW("[%x:%s] " fmt, mNodeID, mName, ##__VA_ARGS__)
+
+#define CLOG_ERROR_IF(cond, fn, err, fmt, ...) \
+    ALOGE_IF(cond, #fn "(%x:%s, " fmt ") ERROR: %s(%#x)", \
+    mNodeID, mName, ##__VA_ARGS__, asString(err), err)
+#define CLOG_ERROR(fn, err, fmt, ...) CLOG_ERROR_IF(true, fn, err, fmt, ##__VA_ARGS__)
+#define CLOG_IF_ERROR(fn, err, fmt, ...) \
+    CLOG_ERROR_IF((err) != OMX_ErrorNone, fn, err, fmt, ##__VA_ARGS__)
+
+#define CLOGI_(level, fn, fmt, ...) \
+    ALOGI_IF(DEBUG >= (level), #fn "(%x:%s, " fmt ")", mNodeID, mName, ##__VA_ARGS__)
+#define CLOGD_(level, fn, fmt, ...) \
+    ALOGD_IF(DEBUG >= (level), #fn "(%x:%s, " fmt ")", mNodeID, mName, ##__VA_ARGS__)
+
+#define CLOG_LIFE(fn, fmt, ...)     CLOGI_(ADebug::kDebugLifeCycle,     fn, fmt, ##__VA_ARGS__)
+#define CLOG_STATE(fn, fmt, ...)    CLOGI_(ADebug::kDebugState,         fn, fmt, ##__VA_ARGS__)
+#define CLOG_CONFIG(fn, fmt, ...)   CLOGI_(ADebug::kDebugConfig,        fn, fmt, ##__VA_ARGS__)
+#define CLOG_INTERNAL(fn, fmt, ...) CLOGD_(ADebug::kDebugInternalState, fn, fmt, ##__VA_ARGS__)
+
+#define CLOG_DEBUG_IF(cond, fn, fmt, ...) \
+    ALOGD_IF(cond, #fn "(%x, " fmt ")", mNodeID, ##__VA_ARGS__)
+
+#define CLOG_BUFFER(fn, fmt, ...) \
+    CLOG_DEBUG_IF(DEBUG >= ADebug::kDebugAll, fn, fmt, ##__VA_ARGS__)
+#define CLOG_BUMPED_BUFFER(fn, fmt, ...) \
+    CLOG_DEBUG_IF(DEBUG_BUMP >= ADebug::kDebugAll, fn, fmt, ##__VA_ARGS__)
+
+/* buffer formatting */
+#define BUFFER_FMT(port, fmt, ...) "%s:%u " fmt, portString(port), (port), ##__VA_ARGS__
+#define NEW_BUFFER_FMT(buffer_id, port, fmt, ...) \
+    BUFFER_FMT(port, fmt ") (#%zu => %#x", ##__VA_ARGS__, mActiveBuffers.size(), (buffer_id))
+
+#define SIMPLE_BUFFER(port, size, data) BUFFER_FMT(port, "%zu@%p", (size), (data))
+#define SIMPLE_NEW_BUFFER(buffer_id, port, size, data) \
+    NEW_BUFFER_FMT(buffer_id, port, "%zu@%p", (size), (data))
+
+#define EMPTY_BUFFER(addr, header) "%#x [%u@%p]", \
+    (addr), (header)->nAllocLen, (header)->pBuffer
+#define FULL_BUFFER(addr, header) "%#" PRIxPTR " [%u@%p (%u..+%u) f=%x ts=%lld]", \
+    (intptr_t)(addr), (header)->nAllocLen, (header)->pBuffer, \
+    (header)->nOffset, (header)->nFilledLen, (header)->nFlags, (header)->nTimeStamp
+
+#define WITH_STATS_WRAPPER(fmt, ...) fmt " { IN=%zu/%zu OUT=%zu/%zu }", ##__VA_ARGS__, \
+    mInputBuffersWithCodec.size(), mNumPortBuffers[kPortIndexInput], \
+    mOutputBuffersWithCodec.size(), mNumPortBuffers[kPortIndexOutput]
+// TRICKY: this is needed so formatting macros expand before substitution
+#define WITH_STATS(fmt, ...) WITH_STATS_WRAPPER(fmt, ##__VA_ARGS__)
+
+template<class T>
+static void InitOMXParams(T *params) {
+    memset(params, 0, sizeof(T));
+    params->nSize = sizeof(T);
+    params->nVersion.s.nVersionMajor = 1;
+    params->nVersion.s.nVersionMinor = 0;
+    params->nVersion.s.nRevision = 0;
+    params->nVersion.s.nStep = 0;
+}
 
 namespace android {
 
@@ -56,8 +121,8 @@
         }
 
         memcpy((OMX_U8 *)mMem->pointer() + header->nOffset,
-               header->pBuffer + header->nOffset,
-               header->nFilledLen);
+                header->pBuffer + header->nOffset,
+                header->nFilledLen);
     }
 
     void CopyToOMX(const OMX_BUFFERHEADERTYPE *header) {
@@ -66,8 +131,8 @@
         }
 
         memcpy(header->pBuffer + header->nOffset,
-               (const OMX_U8 *)mMem->pointer() + header->nOffset,
-               header->nFilledLen);
+                (const OMX_U8 *)mMem->pointer() + header->nOffset,
+                header->nFilledLen);
     }
 
     void setGraphicBuffer(const sp<GraphicBuffer> &graphicBuffer) {
@@ -89,8 +154,17 @@
     &OnEvent, &OnEmptyBufferDone, &OnFillBufferDone
 };
 
+static inline const char *portString(OMX_U32 portIndex) {
+    switch (portIndex) {
+        case kPortIndexInput:  return "Input";
+        case kPortIndexOutput: return "Output";
+        case ~0:               return "All";
+        default:               return "port";
+    }
+}
+
 OMXNodeInstance::OMXNodeInstance(
-        OMX *owner, const sp<IOMXObserver> &observer)
+        OMX *owner, const sp<IOMXObserver> &observer, const char *name)
     : mOwner(owner),
       mNodeID(0),
       mHandle(NULL),
@@ -100,15 +174,25 @@
       , mBufferIDCount(0)
 #endif
 {
+    mName = ADebug::GetDebugName(name);
+    DEBUG = ADebug::GetDebugLevelFromProperty(name, "debug.stagefright.omx-debug");
+    ALOGV("debug level for %s is %d", name, DEBUG);
+    DEBUG_BUMP = DEBUG;
+    mNumPortBuffers[0] = 0;
+    mNumPortBuffers[1] = 0;
+    mDebugLevelBumpPendingBuffers[0] = 0;
+    mDebugLevelBumpPendingBuffers[1] = 0;
 }
 
 OMXNodeInstance::~OMXNodeInstance() {
+    free(mName);
     CHECK(mHandle == NULL);
 }
 
 void OMXNodeInstance::setHandle(OMX::node_id node_id, OMX_HANDLETYPE handle) {
-    CHECK(mHandle == NULL);
     mNodeID = node_id;
+    CLOG_LIFE(allocateNode, "handle=%p", handle);
+    CHECK(mHandle == NULL);
     mHandle = handle;
 }
 
@@ -120,6 +204,7 @@
 void OMXNodeInstance::setGraphicBufferSource(
         const sp<GraphicBufferSource>& bufferSource) {
     Mutex::Autolock autoLock(mGraphicBufferSourceLock);
+    CLOG_INTERNAL(setGraphicBufferSource, "%p", bufferSource.get());
     mGraphicBufferSource = bufferSource;
 }
 
@@ -140,6 +225,7 @@
         case OMX_ErrorNone:
             return OK;
         case OMX_ErrorUnsupportedSetting:
+        case OMX_ErrorUnsupportedIndex:
             return ERROR_UNSUPPORTED;
         default:
             return UNKNOWN_ERROR;
@@ -147,8 +233,14 @@
 }
 
 status_t OMXNodeInstance::freeNode(OMXMaster *master) {
+    CLOG_LIFE(freeNode, "handle=%p", mHandle);
     static int32_t kMaxNumIterations = 10;
 
+    // exit if we have already freed the node
+    if (mHandle == NULL) {
+        return OK;
+    }
+
     // Transition the node from its current state all the way down
     // to "Loaded".
     // This ensures that all active buffers are properly freed even
@@ -170,10 +262,11 @@
             OMX_ERRORTYPE err;
             int32_t iteration = 0;
             while ((err = OMX_GetState(mHandle, &state)) == OMX_ErrorNone
-                   && state != OMX_StateIdle
-                   && state != OMX_StateInvalid) {
+                    && state != OMX_StateIdle
+                    && state != OMX_StateInvalid) {
                 if (++iteration > kMaxNumIterations) {
-                    ALOGE("component failed to enter Idle state, aborting.");
+                    CLOGW("failed to enter Idle state (now %s(%d), aborting.",
+                            asString(state), state);
                     state = OMX_StateInvalid;
                     break;
                 }
@@ -199,10 +292,11 @@
             OMX_ERRORTYPE err;
             int32_t iteration = 0;
             while ((err = OMX_GetState(mHandle, &state)) == OMX_ErrorNone
-                   && state != OMX_StateLoaded
-                   && state != OMX_StateInvalid) {
+                    && state != OMX_StateLoaded
+                    && state != OMX_StateInvalid) {
                 if (++iteration > kMaxNumIterations) {
-                    ALOGE("component failed to enter Loaded state, aborting.");
+                    CLOGW("failed to enter Loaded state (now %s(%d), aborting.",
+                            asString(state), state);
                     state = OMX_StateInvalid;
                     break;
                 }
@@ -220,20 +314,18 @@
             break;
 
         default:
-            CHECK(!"should not be here, unknown state.");
+            LOG_ALWAYS_FATAL("unknown state %s(%#x).", asString(state), state);
             break;
     }
 
-    ALOGV("calling destroyComponentInstance");
+    ALOGV("[%x:%s] calling destroyComponentInstance", mNodeID, mName);
     OMX_ERRORTYPE err = master->destroyComponentInstance(
             static_cast<OMX_COMPONENTTYPE *>(mHandle));
-    ALOGV("destroyComponentInstance returned err %d", err);
 
     mHandle = NULL;
-
-    if (err != OMX_ErrorNone) {
-        ALOGE("FreeHandle FAILED with error 0x%08x.", err);
-    }
+    CLOG_IF_ERROR(freeNode, err, "");
+    free(mName);
+    mName = NULL;
 
     mOwner->invalidateNodeID(mNodeID);
     mNodeID = 0;
@@ -265,7 +357,17 @@
 
     Mutex::Autolock autoLock(mLock);
 
+    // bump internal-state debug level for 2 input and output frames past a command
+    {
+        Mutex::Autolock _l(mDebugLock);
+        bumpDebugLevel_l(2 /* numInputBuffers */, 2 /* numOutputBuffers */);
+    }
+
+    const char *paramString =
+        cmd == OMX_CommandStateSet ? asString((OMX_STATETYPE)param) : portString(param);
+    CLOG_STATE(sendCommand, "%s(%d), %s(%d)", asString(cmd), cmd, paramString, param);
     OMX_ERRORTYPE err = OMX_SendCommand(mHandle, cmd, param, NULL);
+    CLOG_IF_ERROR(sendCommand, err, "%s(%d), %s(%d)", asString(cmd), cmd, paramString, param);
     return StatusFromOMXError(err);
 }
 
@@ -274,17 +376,23 @@
     Mutex::Autolock autoLock(mLock);
 
     OMX_ERRORTYPE err = OMX_GetParameter(mHandle, index, params);
-    ALOGE_IF(err != OMX_ErrorNone, "getParameter(%d) ERROR: %#x", index, err);
+    OMX_INDEXEXTTYPE extIndex = (OMX_INDEXEXTTYPE)index;
+    // some errors are expected for getParameter
+    if (err != OMX_ErrorNoMore) {
+        CLOG_IF_ERROR(getParameter, err, "%s(%#x)", asString(extIndex), index);
+    }
     return StatusFromOMXError(err);
 }
 
 status_t OMXNodeInstance::setParameter(
-        OMX_INDEXTYPE index, const void *params, size_t /* size */) {
+        OMX_INDEXTYPE index, const void *params, size_t size) {
     Mutex::Autolock autoLock(mLock);
+    OMX_INDEXEXTTYPE extIndex = (OMX_INDEXEXTTYPE)index;
+    CLOG_CONFIG(setParameter, "%s(%#x), %zu@%p)", asString(extIndex), index, size, params);
 
     OMX_ERRORTYPE err = OMX_SetParameter(
             mHandle, index, const_cast<void *>(params));
-    ALOGE_IF(err != OMX_ErrorNone, "setParameter(%d) ERROR: %#x", index, err);
+    CLOG_IF_ERROR(setParameter, err, "%s(%#x)", asString(extIndex), index);
     return StatusFromOMXError(err);
 }
 
@@ -293,16 +401,23 @@
     Mutex::Autolock autoLock(mLock);
 
     OMX_ERRORTYPE err = OMX_GetConfig(mHandle, index, params);
+    OMX_INDEXEXTTYPE extIndex = (OMX_INDEXEXTTYPE)index;
+    // some errors are expected for getConfig
+    if (err != OMX_ErrorNoMore) {
+        CLOG_IF_ERROR(getConfig, err, "%s(%#x)", asString(extIndex), index);
+    }
     return StatusFromOMXError(err);
 }
 
 status_t OMXNodeInstance::setConfig(
-        OMX_INDEXTYPE index, const void *params, size_t /* size */) {
+        OMX_INDEXTYPE index, const void *params, size_t size) {
     Mutex::Autolock autoLock(mLock);
+    OMX_INDEXEXTTYPE extIndex = (OMX_INDEXEXTTYPE)index;
+    CLOG_CONFIG(setConfig, "%s(%#x), %zu@%p)", asString(extIndex), index, size, params);
 
     OMX_ERRORTYPE err = OMX_SetConfig(
             mHandle, index, const_cast<void *>(params));
-
+    CLOG_IF_ERROR(setConfig, err, "%s(%#x)", asString(extIndex), index);
     return StatusFromOMXError(err);
 }
 
@@ -310,13 +425,14 @@
     Mutex::Autolock autoLock(mLock);
 
     OMX_ERRORTYPE err = OMX_GetState(mHandle, state);
-
+    CLOG_IF_ERROR(getState, err, "");
     return StatusFromOMXError(err);
 }
 
 status_t OMXNodeInstance::enableGraphicBuffers(
         OMX_U32 portIndex, OMX_BOOL enable) {
     Mutex::Autolock autoLock(mLock);
+    CLOG_CONFIG(enableGraphicBuffers, "%s:%u, %d", portString(portIndex), portIndex, enable);
     OMX_STRING name = const_cast<OMX_STRING>(
             "OMX.google.android.index.enableAndroidNativeBuffers");
 
@@ -324,32 +440,19 @@
     OMX_ERRORTYPE err = OMX_GetExtensionIndex(mHandle, name, &index);
 
     if (err != OMX_ErrorNone) {
-        if (enable) {
-            ALOGE("OMX_GetExtensionIndex %s failed", name);
-        }
-
+        CLOG_ERROR_IF(enable, getExtensionIndex, err, "%s", name);
         return StatusFromOMXError(err);
     }
 
-    OMX_VERSIONTYPE ver;
-    ver.s.nVersionMajor = 1;
-    ver.s.nVersionMinor = 0;
-    ver.s.nRevision = 0;
-    ver.s.nStep = 0;
-    EnableAndroidNativeBuffersParams params = {
-        sizeof(EnableAndroidNativeBuffersParams), ver, portIndex, enable,
-    };
+    EnableAndroidNativeBuffersParams params;
+    InitOMXParams(&params);
+    params.nPortIndex = portIndex;
+    params.enable = enable;
 
     err = OMX_SetParameter(mHandle, index, &params);
-
-    if (err != OMX_ErrorNone) {
-        ALOGE("OMX_EnableAndroidNativeBuffers failed with error %d (0x%08x)",
-                err, err);
-
-        return UNKNOWN_ERROR;
-    }
-
-    return OK;
+    CLOG_IF_ERROR(setParameter, err, "%s(%#x): %s:%u en=%d", name, index,
+            portString(portIndex), portIndex, enable);
+    return StatusFromOMXError(err);
 }
 
 status_t OMXNodeInstance::getGraphicBufferUsage(
@@ -362,26 +465,19 @@
     OMX_ERRORTYPE err = OMX_GetExtensionIndex(mHandle, name, &index);
 
     if (err != OMX_ErrorNone) {
-        ALOGE("OMX_GetExtensionIndex %s failed", name);
-
+        CLOG_ERROR(getExtensionIndex, err, "%s", name);
         return StatusFromOMXError(err);
     }
 
-    OMX_VERSIONTYPE ver;
-    ver.s.nVersionMajor = 1;
-    ver.s.nVersionMinor = 0;
-    ver.s.nRevision = 0;
-    ver.s.nStep = 0;
-    GetAndroidNativeBufferUsageParams params = {
-        sizeof(GetAndroidNativeBufferUsageParams), ver, portIndex, 0,
-    };
+    GetAndroidNativeBufferUsageParams params;
+    InitOMXParams(&params);
+    params.nPortIndex = portIndex;
 
     err = OMX_GetParameter(mHandle, index, &params);
-
     if (err != OMX_ErrorNone) {
-        ALOGE("OMX_GetAndroidNativeBufferUsage failed with error %d (0x%08x)",
-                err, err);
-        return UNKNOWN_ERROR;
+        CLOG_ERROR(getParameter, err, "%s(%#x): %s:%u", name, index,
+                portString(portIndex), portIndex);
+        return StatusFromOMXError(err);
     }
 
     *usage = params.nUsage;
@@ -393,6 +489,7 @@
         OMX_U32 portIndex,
         OMX_BOOL enable) {
     Mutex::Autolock autolock(mLock);
+    CLOG_CONFIG(storeMetaDataInBuffers, "%s:%u en:%d", portString(portIndex), portIndex, enable);
     return storeMetaDataInBuffers_l(
             portIndex, enable,
             OMX_FALSE /* useGraphicBuffer */, NULL /* usingGraphicBufferInMetadata */);
@@ -419,37 +516,42 @@
                 : OMX_ErrorBadParameter;
     if (err == OMX_ErrorNone) {
         *usingGraphicBufferInMetadata = OMX_TRUE;
+        name = graphicBufferName;
     } else {
-        *usingGraphicBufferInMetadata = OMX_FALSE;
         err = OMX_GetExtensionIndex(mHandle, name, &index);
     }
 
+    OMX_ERRORTYPE xerr = err;
+    if (err == OMX_ErrorNone) {
+        StoreMetaDataInBuffersParams params;
+        InitOMXParams(&params);
+        params.nPortIndex = portIndex;
+        params.bStoreMetaData = enable;
+
+        err = OMX_SetParameter(mHandle, index, &params);
+    }
+
+    // don't log loud error if component does not support metadata mode on the output
     if (err != OMX_ErrorNone) {
-        ALOGE("OMX_GetExtensionIndex %s failed", name);
-        return StatusFromOMXError(err);
-    }
-
-    StoreMetaDataInBuffersParams params;
-    memset(&params, 0, sizeof(params));
-    params.nSize = sizeof(params);
-
-    // Version: 1.0.0.0
-    params.nVersion.s.nVersionMajor = 1;
-
-    params.nPortIndex = portIndex;
-    params.bStoreMetaData = enable;
-    if ((err = OMX_SetParameter(mHandle, index, &params)) != OMX_ErrorNone) {
-        ALOGE("OMX_SetParameter() failed for StoreMetaDataInBuffers: 0x%08x", err);
         *usingGraphicBufferInMetadata = OMX_FALSE;
-        return UNKNOWN_ERROR;
+        if (err == OMX_ErrorUnsupportedIndex && portIndex == kPortIndexOutput) {
+            CLOGW("component does not support metadata mode; using fallback");
+        } else if (xerr != OMX_ErrorNone) {
+            CLOG_ERROR(getExtensionIndex, xerr, "%s", name);
+        } else {
+            CLOG_ERROR(setParameter, err, "%s(%#x): %s:%u en=%d GB=%d", name, index,
+                    portString(portIndex), portIndex, enable, useGraphicBuffer);
+        }
     }
-    return err;
+    return StatusFromOMXError(err);
 }
 
 status_t OMXNodeInstance::prepareForAdaptivePlayback(
         OMX_U32 portIndex, OMX_BOOL enable, OMX_U32 maxFrameWidth,
         OMX_U32 maxFrameHeight) {
     Mutex::Autolock autolock(mLock);
+    CLOG_CONFIG(prepareForAdaptivePlayback, "%s:%u en=%d max=%ux%u",
+            portString(portIndex), portIndex, enable, maxFrameWidth, maxFrameHeight);
 
     OMX_INDEXTYPE index;
     OMX_STRING name = const_cast<OMX_STRING>(
@@ -457,33 +559,29 @@
 
     OMX_ERRORTYPE err = OMX_GetExtensionIndex(mHandle, name, &index);
     if (err != OMX_ErrorNone) {
-        ALOGW_IF(enable, "OMX_GetExtensionIndex %s failed", name);
+        CLOG_ERROR_IF(enable, getExtensionIndex, err, "%s", name);
         return StatusFromOMXError(err);
     }
 
     PrepareForAdaptivePlaybackParams params;
-    params.nSize = sizeof(params);
-    params.nVersion.s.nVersionMajor = 1;
-    params.nVersion.s.nVersionMinor = 0;
-    params.nVersion.s.nRevision = 0;
-    params.nVersion.s.nStep = 0;
-
+    InitOMXParams(&params);
     params.nPortIndex = portIndex;
     params.bEnable = enable;
     params.nMaxFrameWidth = maxFrameWidth;
     params.nMaxFrameHeight = maxFrameHeight;
-    if ((err = OMX_SetParameter(mHandle, index, &params)) != OMX_ErrorNone) {
-        ALOGW("OMX_SetParameter failed for PrepareForAdaptivePlayback "
-              "with error %d (0x%08x)", err, err);
-        return UNKNOWN_ERROR;
-    }
-    return err;
+
+    err = OMX_SetParameter(mHandle, index, &params);
+    CLOG_IF_ERROR(setParameter, err, "%s(%#x): %s:%u en=%d max=%ux%u", name, index,
+            portString(portIndex), portIndex, enable, maxFrameWidth, maxFrameHeight);
+    return StatusFromOMXError(err);
 }
 
 status_t OMXNodeInstance::configureVideoTunnelMode(
         OMX_U32 portIndex, OMX_BOOL tunneled, OMX_U32 audioHwSync,
         native_handle_t **sidebandHandle) {
     Mutex::Autolock autolock(mLock);
+    CLOG_CONFIG(configureVideoTunnelMode, "%s:%u tun=%d sync=%u",
+            portString(portIndex), portIndex, tunneled, audioHwSync);
 
     OMX_INDEXTYPE index;
     OMX_STRING name = const_cast<OMX_STRING>(
@@ -491,36 +589,33 @@
 
     OMX_ERRORTYPE err = OMX_GetExtensionIndex(mHandle, name, &index);
     if (err != OMX_ErrorNone) {
-        ALOGE("configureVideoTunnelMode extension is missing!");
+        CLOG_ERROR_IF(tunneled, getExtensionIndex, err, "%s", name);
         return StatusFromOMXError(err);
     }
 
     ConfigureVideoTunnelModeParams tunnelParams;
-    tunnelParams.nSize = sizeof(tunnelParams);
-    tunnelParams.nVersion.s.nVersionMajor = 1;
-    tunnelParams.nVersion.s.nVersionMinor = 0;
-    tunnelParams.nVersion.s.nRevision = 0;
-    tunnelParams.nVersion.s.nStep = 0;
-
+    InitOMXParams(&tunnelParams);
     tunnelParams.nPortIndex = portIndex;
     tunnelParams.bTunneled = tunneled;
     tunnelParams.nAudioHwSync = audioHwSync;
     err = OMX_SetParameter(mHandle, index, &tunnelParams);
     if (err != OMX_ErrorNone) {
-        ALOGE("configureVideoTunnelMode failed! (err %d).", err);
-        return UNKNOWN_ERROR;
+        CLOG_ERROR(setParameter, err, "%s(%#x): %s:%u tun=%d sync=%u", name, index,
+                portString(portIndex), portIndex, tunneled, audioHwSync);
+        return StatusFromOMXError(err);
     }
 
     err = OMX_GetParameter(mHandle, index, &tunnelParams);
     if (err != OMX_ErrorNone) {
-        ALOGE("GetVideoTunnelWindow failed! (err %d).", err);
-        return UNKNOWN_ERROR;
+        CLOG_ERROR(getParameter, err, "%s(%#x): %s:%u tun=%d sync=%u", name, index,
+                portString(portIndex), portIndex, tunneled, audioHwSync);
+        return StatusFromOMXError(err);
     }
     if (sidebandHandle) {
         *sidebandHandle = (native_handle_t*)tunnelParams.pSidebandWindow;
     }
 
-    return err;
+    return OK;
 }
 
 status_t OMXNodeInstance::useBuffer(
@@ -537,14 +632,14 @@
             params->size(), static_cast<OMX_U8 *>(params->pointer()));
 
     if (err != OMX_ErrorNone) {
-        ALOGE("OMX_UseBuffer failed with error %d (0x%08x)", err, err);
+        CLOG_ERROR(useBuffer, err, SIMPLE_BUFFER(portIndex, params->size(), params->pointer()));
 
         delete buffer_meta;
         buffer_meta = NULL;
 
         *buffer = 0;
 
-        return UNKNOWN_ERROR;
+        return StatusFromOMXError(err);
     }
 
     CHECK_EQ(header->pAppPrivate, buffer_meta);
@@ -558,6 +653,8 @@
         bufferSource->addCodecBuffer(header);
     }
 
+    CLOG_BUFFER(useBuffer, NEW_BUFFER_FMT(
+            *buffer, portIndex, "%zu@%p", params->size(), params->pointer()));
     return OK;
 }
 
@@ -567,17 +664,14 @@
 
     // port definition
     OMX_PARAM_PORTDEFINITIONTYPE def;
-    def.nSize = sizeof(OMX_PARAM_PORTDEFINITIONTYPE);
-    def.nVersion.s.nVersionMajor = 1;
-    def.nVersion.s.nVersionMinor = 0;
-    def.nVersion.s.nRevision = 0;
-    def.nVersion.s.nStep = 0;
+    InitOMXParams(&def);
     def.nPortIndex = portIndex;
     OMX_ERRORTYPE err = OMX_GetParameter(mHandle, OMX_IndexParamPortDefinition, &def);
-    if (err != OMX_ErrorNone)
-    {
-        ALOGE("%s::%d:Error getting OMX_IndexParamPortDefinition", __FUNCTION__, __LINE__);
-        return err;
+    if (err != OMX_ErrorNone) {
+        OMX_INDEXTYPE index = OMX_IndexParamPortDefinition;
+        CLOG_ERROR(getParameter, err, "%s(%#x): %s:%u",
+                asString(index), index, portString(portIndex), portIndex);
+        return UNKNOWN_ERROR;
     }
 
     BufferMeta *bufferMeta = new BufferMeta(graphicBuffer);
@@ -595,11 +689,11 @@
             bufferHandle);
 
     if (err != OMX_ErrorNone) {
-        ALOGE("OMX_UseBuffer failed with error %d (0x%08x)", err, err);
+        CLOG_ERROR(useBuffer, err, BUFFER_FMT(portIndex, "%u@%p", def.nBufferSize, bufferHandle));
         delete bufferMeta;
         bufferMeta = NULL;
         *buffer = 0;
-        return UNKNOWN_ERROR;
+        return StatusFromOMXError(err);
     }
 
     CHECK_EQ(header->pBuffer, bufferHandle);
@@ -608,7 +702,8 @@
     *buffer = makeBufferID(header);
 
     addActiveBuffer(portIndex, *buffer);
-
+    CLOG_BUFFER(useGraphicBuffer2, NEW_BUFFER_FMT(
+            *buffer, portIndex, "%u@%p", def.nBufferSize, bufferHandle));
     return OK;
 }
 
@@ -632,10 +727,8 @@
     OMX_STRING name = const_cast<OMX_STRING>(
         "OMX.google.android.index.useAndroidNativeBuffer");
     OMX_ERRORTYPE err = OMX_GetExtensionIndex(mHandle, name, &index);
-
     if (err != OMX_ErrorNone) {
-        ALOGE("OMX_GetExtensionIndex %s failed", name);
-
+        CLOG_ERROR(getExtensionIndex, err, "%s", name);
         return StatusFromOMXError(err);
     }
 
@@ -656,15 +749,15 @@
     err = OMX_SetParameter(mHandle, index, &params);
 
     if (err != OMX_ErrorNone) {
-        ALOGE("OMX_UseAndroidNativeBuffer failed with error %d (0x%08x)", err,
-                err);
+        CLOG_ERROR(setParameter, err, "%s(%#x): %s:%u meta=%p GB=%p", name, index,
+                portString(portIndex), portIndex, bufferMeta, graphicBuffer->handle);
 
         delete bufferMeta;
         bufferMeta = NULL;
 
         *buffer = 0;
 
-        return UNKNOWN_ERROR;
+        return StatusFromOMXError(err);
     }
 
     CHECK_EQ(header->pAppPrivate, bufferMeta);
@@ -672,12 +765,13 @@
     *buffer = makeBufferID(header);
 
     addActiveBuffer(portIndex, *buffer);
-
+    CLOG_BUFFER(useGraphicBuffer, NEW_BUFFER_FMT(
+            *buffer, portIndex, "GB=%p", graphicBuffer->handle));
     return OK;
 }
 
 status_t OMXNodeInstance::updateGraphicBufferInMeta(
-        OMX_U32 /* portIndex */, const sp<GraphicBuffer>& graphicBuffer,
+        OMX_U32 portIndex, const sp<GraphicBuffer>& graphicBuffer,
         OMX::buffer_id buffer) {
     Mutex::Autolock autoLock(mLock);
 
@@ -688,7 +782,8 @@
     bufferMeta->setGraphicBuffer(graphicBuffer);
     metadata->eType = kMetadataBufferTypeGrallocSource;
     metadata->pHandle = graphicBuffer->handle;
-
+    CLOG_BUFFER(updateGraphicBufferInMeta, "%s:%u, %#x := %p",
+            portString(portIndex), portIndex, buffer, graphicBuffer->handle);
     return OK;
 }
 
@@ -714,19 +809,21 @@
     // Retrieve the width and height of the graphic buffer, set when the
     // codec was configured.
     OMX_PARAM_PORTDEFINITIONTYPE def;
-    def.nSize = sizeof(def);
-    def.nVersion.s.nVersionMajor = 1;
-    def.nVersion.s.nVersionMinor = 0;
-    def.nVersion.s.nRevision = 0;
-    def.nVersion.s.nStep = 0;
+    InitOMXParams(&def);
     def.nPortIndex = portIndex;
     OMX_ERRORTYPE oerr = OMX_GetParameter(
             mHandle, OMX_IndexParamPortDefinition, &def);
-    CHECK(oerr == OMX_ErrorNone);
+    if (oerr != OMX_ErrorNone) {
+        OMX_INDEXTYPE index = OMX_IndexParamPortDefinition;
+        CLOG_ERROR(getParameter, oerr, "%s(%#x): %s:%u",
+                asString(index), index, portString(portIndex), portIndex);
+        return UNKNOWN_ERROR;
+    }
 
     if (def.format.video.eColorFormat != OMX_COLOR_FormatAndroidOpaque) {
-        ALOGE("createInputSurface requires COLOR_FormatSurface "
-              "(AndroidOpaque) color format");
+        CLOGW("createInputSurface requires COLOR_FormatSurface "
+                "(AndroidOpaque) color format instead of %s(%#x)",
+                asString(def.format.video.eColorFormat), def.format.video.eColorFormat);
         return INVALID_OPERATION;
     }
 
@@ -749,9 +846,9 @@
     // flag set).  Seems easier than doing the equivalent from here.
     sp<GraphicBufferSource> bufferSource(getGraphicBufferSource());
     if (bufferSource == NULL) {
-        ALOGW("signalEndOfInputStream can only be used with Surface input");
+        CLOGW("signalEndOfInputStream can only be used with Surface input");
         return INVALID_OPERATION;
-    };
+    }
     return bufferSource->signalEndOfInputStream();
 }
 
@@ -768,14 +865,13 @@
             mHandle, &header, portIndex, buffer_meta, size);
 
     if (err != OMX_ErrorNone) {
-        ALOGE("OMX_AllocateBuffer failed with error %d (0x%08x)", err, err);
-
+        CLOG_ERROR(allocateBuffer, err, BUFFER_FMT(portIndex, "%zu@", size));
         delete buffer_meta;
         buffer_meta = NULL;
 
         *buffer = 0;
 
-        return UNKNOWN_ERROR;
+        return StatusFromOMXError(err);
     }
 
     CHECK_EQ(header->pAppPrivate, buffer_meta);
@@ -789,6 +885,7 @@
     if (bufferSource != NULL && portIndex == kPortIndexInput) {
         bufferSource->addCodecBuffer(header);
     }
+    CLOG_BUFFER(allocateBuffer, NEW_BUFFER_FMT(*buffer, portIndex, "%zu@%p", size, *buffer_data));
 
     return OK;
 }
@@ -806,14 +903,14 @@
             mHandle, &header, portIndex, buffer_meta, params->size());
 
     if (err != OMX_ErrorNone) {
-        ALOGE("OMX_AllocateBuffer failed with error %d (0x%08x)", err, err);
-
+        CLOG_ERROR(allocateBufferWithBackup, err,
+                SIMPLE_BUFFER(portIndex, params->size(), params->pointer()));
         delete buffer_meta;
         buffer_meta = NULL;
 
         *buffer = 0;
 
-        return UNKNOWN_ERROR;
+        return StatusFromOMXError(err);
     }
 
     CHECK_EQ(header->pAppPrivate, buffer_meta);
@@ -827,12 +924,16 @@
         bufferSource->addCodecBuffer(header);
     }
 
+    CLOG_BUFFER(allocateBufferWithBackup, NEW_BUFFER_FMT(*buffer, portIndex, "%zu@%p :> %p",
+            params->size(), params->pointer(), header->pBuffer));
+
     return OK;
 }
 
 status_t OMXNodeInstance::freeBuffer(
         OMX_U32 portIndex, OMX::buffer_id buffer) {
     Mutex::Autolock autoLock(mLock);
+    CLOG_BUFFER(freeBuffer, "%s:%u %#x", portString(portIndex), portIndex, buffer);
 
     removeActiveBuffer(portIndex, buffer);
 
@@ -840,6 +941,7 @@
     BufferMeta *buffer_meta = static_cast<BufferMeta *>(header->pAppPrivate);
 
     OMX_ERRORTYPE err = OMX_FreeBuffer(mHandle, portIndex, header);
+    CLOG_IF_ERROR(freeBuffer, err, "%s:%u %#x", portString(portIndex), portIndex, buffer);
 
     delete buffer_meta;
     buffer_meta = NULL;
@@ -856,8 +958,18 @@
     header->nOffset = 0;
     header->nFlags = 0;
 
-    OMX_ERRORTYPE err = OMX_FillThisBuffer(mHandle, header);
+    {
+        Mutex::Autolock _l(mDebugLock);
+        mOutputBuffersWithCodec.add(header);
+        CLOG_BUMPED_BUFFER(fillBuffer, WITH_STATS(EMPTY_BUFFER(buffer, header)));
+    }
 
+    OMX_ERRORTYPE err = OMX_FillThisBuffer(mHandle, header);
+    if (err != OMX_ErrorNone) {
+        CLOG_ERROR(fillBuffer, err, EMPTY_BUFFER(buffer, header));
+        Mutex::Autolock _l(mDebugLock);
+        mOutputBuffersWithCodec.remove(header);
+    }
     return StatusFromOMXError(err);
 }
 
@@ -870,14 +982,66 @@
     OMX_BUFFERHEADERTYPE *header = findBufferHeader(buffer);
     header->nFilledLen = rangeLength;
     header->nOffset = rangeOffset;
-    header->nFlags = flags;
-    header->nTimeStamp = timestamp;
 
     BufferMeta *buffer_meta =
         static_cast<BufferMeta *>(header->pAppPrivate);
     buffer_meta->CopyToOMX(header);
 
+    return emptyBuffer_l(header, flags, timestamp, (intptr_t)buffer);
+}
+
+// log queued buffer activity for the next few input and/or output frames
+// if logging at internal state level
+void OMXNodeInstance::bumpDebugLevel_l(size_t numInputBuffers, size_t numOutputBuffers) {
+    if (DEBUG == ADebug::kDebugInternalState) {
+        DEBUG_BUMP = ADebug::kDebugAll;
+        if (numInputBuffers > 0) {
+            mDebugLevelBumpPendingBuffers[kPortIndexInput] = numInputBuffers;
+        }
+        if (numOutputBuffers > 0) {
+            mDebugLevelBumpPendingBuffers[kPortIndexOutput] = numOutputBuffers;
+        }
+    }
+}
+
+void OMXNodeInstance::unbumpDebugLevel_l(size_t portIndex) {
+    if (mDebugLevelBumpPendingBuffers[portIndex]) {
+        --mDebugLevelBumpPendingBuffers[portIndex];
+    }
+    if (!mDebugLevelBumpPendingBuffers[0]
+            && !mDebugLevelBumpPendingBuffers[1]) {
+        DEBUG_BUMP = DEBUG;
+    }
+}
+
+status_t OMXNodeInstance::emptyBuffer_l(
+        OMX_BUFFERHEADERTYPE *header, OMX_U32 flags, OMX_TICKS timestamp, intptr_t debugAddr) {
+    header->nFlags = flags;
+    header->nTimeStamp = timestamp;
+
+    {
+        Mutex::Autolock _l(mDebugLock);
+        mInputBuffersWithCodec.add(header);
+
+        // bump internal-state debug level for 2 input frames past a buffer with CSD
+        if ((flags & OMX_BUFFERFLAG_CODECCONFIG) != 0) {
+            bumpDebugLevel_l(2 /* numInputBuffers */, 0 /* numOutputBuffers */);
+        }
+
+        CLOG_BUMPED_BUFFER(emptyBuffer, WITH_STATS(FULL_BUFFER(debugAddr, header)));
+    }
+
     OMX_ERRORTYPE err = OMX_EmptyThisBuffer(mHandle, header);
+    CLOG_IF_ERROR(emptyBuffer, err, FULL_BUFFER(debugAddr, header));
+
+    {
+        Mutex::Autolock _l(mDebugLock);
+        if (err != OMX_ErrorNone) {
+            mInputBuffersWithCodec.remove(header);
+        } else if (!(flags & OMX_BUFFERFLAG_CODECCONFIG)) {
+            unbumpDebugLevel_l(kPortIndexInput);
+        }
+    }
 
     return StatusFromOMXError(err);
 }
@@ -891,15 +1055,8 @@
 
     header->nFilledLen = rangeLength;
     header->nOffset = rangeOffset;
-    header->nFlags = flags;
-    header->nTimeStamp = timestamp;
 
-    OMX_ERRORTYPE err = OMX_EmptyThisBuffer(mHandle, header);
-    if (err != OMX_ErrorNone) {
-        ALOGW("emptyDirectBuffer failed, OMX err=0x%x", err);
-    }
-
-    return StatusFromOMXError(err);
+    return emptyBuffer_l(header, flags, timestamp, (intptr_t)header->pBuffer);
 }
 
 status_t OMXNodeInstance::getExtensionIndex(
@@ -912,11 +1069,25 @@
     return StatusFromOMXError(err);
 }
 
+inline static const char *asString(IOMX::InternalOptionType i, const char *def = "??") {
+    switch (i) {
+        case IOMX::INTERNAL_OPTION_SUSPEND:           return "SUSPEND";
+        case IOMX::INTERNAL_OPTION_REPEAT_PREVIOUS_FRAME_DELAY:
+            return "REPEAT_PREVIOUS_FRAME_DELAY";
+        case IOMX::INTERNAL_OPTION_MAX_TIMESTAMP_GAP: return "MAX_TIMESTAMP_GAP";
+        case IOMX::INTERNAL_OPTION_START_TIME:        return "START_TIME";
+        case IOMX::INTERNAL_OPTION_TIME_LAPSE:        return "TIME_LAPSE";
+        default:                                      return def;
+    }
+}
+
 status_t OMXNodeInstance::setInternalOption(
         OMX_U32 portIndex,
         IOMX::InternalOptionType type,
         const void *data,
         size_t size) {
+    CLOG_CONFIG(setInternalOption, "%s(%d): %s:%u %zu@%p",
+            asString(type), type, portString(portIndex), portIndex, size, data);
     switch (type) {
         case IOMX::INTERNAL_OPTION_SUSPEND:
         case IOMX::INTERNAL_OPTION_REPEAT_PREVIOUS_FRAME_DELAY:
@@ -928,6 +1099,7 @@
                 getGraphicBufferSource();
 
             if (bufferSource == NULL || portIndex != kPortIndexInput) {
+                CLOGW("setInternalOption is only for Surface input");
                 return ERROR_UNSUPPORTED;
             }
 
@@ -937,6 +1109,7 @@
                 }
 
                 bool suspend = *(bool *)data;
+                CLOG_CONFIG(setInternalOption, "suspend=%d", suspend);
                 bufferSource->suspend(suspend);
             } else if (type ==
                     IOMX::INTERNAL_OPTION_REPEAT_PREVIOUS_FRAME_DELAY){
@@ -945,7 +1118,7 @@
                 }
 
                 int64_t delayUs = *(int64_t *)data;
-
+                CLOG_CONFIG(setInternalOption, "delayUs=%lld", (long long)delayUs);
                 return bufferSource->setRepeatPreviousFrameDelayUs(delayUs);
             } else if (type ==
                     IOMX::INTERNAL_OPTION_MAX_TIMESTAMP_GAP){
@@ -954,7 +1127,7 @@
                 }
 
                 int64_t maxGapUs = *(int64_t *)data;
-
+                CLOG_CONFIG(setInternalOption, "gapUs=%lld", (long long)maxGapUs);
                 return bufferSource->setMaxTimestampGapUs(maxGapUs);
             } else if (type == IOMX::INTERNAL_OPTION_START_TIME) {
                 if (size != sizeof(int64_t)) {
@@ -962,13 +1135,18 @@
                 }
 
                 int64_t skipFramesBeforeUs = *(int64_t *)data;
-
+                CLOG_CONFIG(setInternalOption, "beforeUs=%lld", (long long)skipFramesBeforeUs);
                 bufferSource->setSkipFramesBeforeUs(skipFramesBeforeUs);
             } else { // IOMX::INTERNAL_OPTION_TIME_LAPSE
                 if (size != sizeof(int64_t) * 2) {
                     return INVALID_OPERATION;
                 }
 
+                int64_t timePerFrameUs = ((int64_t *)data)[0];
+                int64_t timePerCaptureUs = ((int64_t *)data)[1];
+                CLOG_CONFIG(setInternalOption, "perFrameUs=%lld perCaptureUs=%lld",
+                        (long long)timePerFrameUs, (long long)timePerCaptureUs);
+
                 bufferSource->setTimeLapseUs((int64_t *)data);
             }
 
@@ -987,6 +1165,16 @@
         OMX_BUFFERHEADERTYPE *buffer =
             findBufferHeader(msg.u.extended_buffer_data.buffer);
 
+        {
+            Mutex::Autolock _l(mDebugLock);
+            mOutputBuffersWithCodec.remove(buffer);
+
+            CLOG_BUMPED_BUFFER(
+                    FBD, WITH_STATS(FULL_BUFFER(msg.u.extended_buffer_data.buffer, buffer)));
+
+            unbumpDebugLevel_l(kPortIndexOutput);
+        }
+
         BufferMeta *buffer_meta =
             static_cast<BufferMeta *>(buffer->pAppPrivate);
 
@@ -1002,16 +1190,23 @@
             return;
         }
     } else if (msg.type == omx_message::EMPTY_BUFFER_DONE) {
+        OMX_BUFFERHEADERTYPE *buffer =
+            findBufferHeader(msg.u.buffer_data.buffer);
+
+        {
+            Mutex::Autolock _l(mDebugLock);
+            mInputBuffersWithCodec.remove(buffer);
+
+            CLOG_BUMPED_BUFFER(
+                    EBD, WITH_STATS(EMPTY_BUFFER(msg.u.buffer_data.buffer, buffer)));
+        }
+
         if (bufferSource != NULL) {
             // This is one of the buffers used exclusively by
             // GraphicBufferSource.
             // Don't dispatch a message back to ACodec, since it doesn't
             // know that anyone asked to have the buffer emptied and will
             // be very confused.
-
-            OMX_BUFFERHEADERTYPE *buffer =
-                findBufferHeader(msg.u.buffer_data.buffer);
-
             bufferSource->codecBufferEmptied(buffer);
             return;
         }
@@ -1035,6 +1230,43 @@
 // Don't try to acquire mLock here -- in rare circumstances this will hang.
 void OMXNodeInstance::onEvent(
         OMX_EVENTTYPE event, OMX_U32 arg1, OMX_U32 arg2) {
+    const char *arg1String = "??";
+    const char *arg2String = "??";
+    ADebug::Level level = ADebug::kDebugInternalState;
+
+    switch (event) {
+        case OMX_EventCmdComplete:
+            arg1String = asString((OMX_COMMANDTYPE)arg1);
+            switch (arg1) {
+                case OMX_CommandStateSet:
+                    arg2String = asString((OMX_STATETYPE)arg2);
+                    level = ADebug::kDebugState;
+                    break;
+                case OMX_CommandFlush:
+                case OMX_CommandPortEnable:
+                {
+                    // bump internal-state debug level for 2 input and output frames
+                    Mutex::Autolock _l(mDebugLock);
+                    bumpDebugLevel_l(2 /* numInputBuffers */, 2 /* numOutputBuffers */);
+                }
+                // fall through
+                default:
+                    arg2String = portString(arg2);
+            }
+            break;
+        case OMX_EventError:
+            arg1String = asString((OMX_ERRORTYPE)arg1);
+            level = ADebug::kDebugLifeCycle;
+            break;
+        case OMX_EventPortSettingsChanged:
+            arg2String = asString((OMX_INDEXEXTTYPE)arg2);
+            // fall through
+        default:
+            arg1String = portString(arg1);
+    }
+
+    CLOGI_(level, onEvent, "%s(%x), %s(%x), %s(%x)",
+            asString(event), event, arg1String, arg1, arg2String, arg2);
     const sp<GraphicBufferSource>& bufferSource(getGraphicBufferSource());
 
     if (bufferSource != NULL
@@ -1092,23 +1324,27 @@
     active.mPortIndex = portIndex;
     active.mID = id;
     mActiveBuffers.push(active);
+
+    if (portIndex < NELEM(mNumPortBuffers)) {
+        ++mNumPortBuffers[portIndex];
+    }
 }
 
 void OMXNodeInstance::removeActiveBuffer(
         OMX_U32 portIndex, OMX::buffer_id id) {
-    bool found = false;
     for (size_t i = 0; i < mActiveBuffers.size(); ++i) {
         if (mActiveBuffers[i].mPortIndex == portIndex
-            && mActiveBuffers[i].mID == id) {
-            found = true;
+                && mActiveBuffers[i].mID == id) {
             mActiveBuffers.removeItemsAt(i);
-            break;
+
+            if (portIndex < NELEM(mNumPortBuffers)) {
+                --mNumPortBuffers[portIndex];
+            }
+            return;
         }
     }
 
-    if (!found) {
-        ALOGW("Attempt to remove an active buffer we know nothing about...");
-    }
+     CLOGW("Attempt to remove an active buffer [%#x] we know nothing about...", id);
 }
 
 void OMXNodeInstance::freeActiveBuffers() {
@@ -1129,7 +1365,7 @@
     OMX::buffer_id buffer;
     do { // handle the very unlikely case of ID overflow
         if (++mBufferIDCount == 0) {
-           ++mBufferIDCount;
+            ++mBufferIDCount;
         }
         buffer = (OMX::buffer_id)mBufferIDCount;
     } while (mBufferIDToBufferHeader.indexOfKey(buffer) >= 0);
diff --git a/media/libstagefright/omx/SimpleSoftOMXComponent.cpp b/media/libstagefright/omx/SimpleSoftOMXComponent.cpp
index 4999663..7f99dcd 100644
--- a/media/libstagefright/omx/SimpleSoftOMXComponent.cpp
+++ b/media/libstagefright/omx/SimpleSoftOMXComponent.cpp
@@ -152,28 +152,28 @@
             OMX_PARAM_PORTDEFINITIONTYPE *defParams =
                 (OMX_PARAM_PORTDEFINITIONTYPE *)params;
 
-            if (defParams->nPortIndex >= mPorts.size()
-                    || defParams->nSize
-                            != sizeof(OMX_PARAM_PORTDEFINITIONTYPE)) {
-                return OMX_ErrorUndefined;
+            if (defParams->nPortIndex >= mPorts.size()) {
+                return OMX_ErrorBadPortIndex;
+            }
+            if (defParams->nSize != sizeof(OMX_PARAM_PORTDEFINITIONTYPE)) {
+                return OMX_ErrorUnsupportedSetting;
             }
 
             PortInfo *port =
                 &mPorts.editItemAt(defParams->nPortIndex);
 
-            if (defParams->nBufferSize != port->mDef.nBufferSize) {
-                CHECK_GE(defParams->nBufferSize, port->mDef.nBufferSize);
+            // default behavior is that we only allow buffer size to increase
+            if (defParams->nBufferSize > port->mDef.nBufferSize) {
                 port->mDef.nBufferSize = defParams->nBufferSize;
             }
 
-            if (defParams->nBufferCountActual
-                    != port->mDef.nBufferCountActual) {
-                CHECK_GE(defParams->nBufferCountActual,
-                         port->mDef.nBufferCountMin);
-
-                port->mDef.nBufferCountActual = defParams->nBufferCountActual;
+            if (defParams->nBufferCountActual < port->mDef.nBufferCountMin) {
+                ALOGW("component requires at least %u buffers (%u requested)",
+                        port->mDef.nBufferCountMin, defParams->nBufferCountActual);
+                return OMX_ErrorUnsupportedSetting;
             }
 
+            port->mDef.nBufferCountActual = defParams->nBufferCountActual;
             return OMX_ErrorNone;
         }
 
diff --git a/media/libstagefright/omx/SoftOMXComponent.cpp b/media/libstagefright/omx/SoftOMXComponent.cpp
index 646cd32..df978f8 100644
--- a/media/libstagefright/omx/SoftOMXComponent.cpp
+++ b/media/libstagefright/omx/SoftOMXComponent.cpp
@@ -283,7 +283,7 @@
 
 OMX_ERRORTYPE SoftOMXComponent::getExtensionIndex(
         const char * /* name */, OMX_INDEXTYPE * /* index */) {
-    return OMX_ErrorUndefined;
+    return OMX_ErrorUnsupportedIndex;
 }
 
 OMX_ERRORTYPE SoftOMXComponent::useBuffer(
diff --git a/media/libstagefright/omx/SoftVideoDecoderOMXComponent.cpp b/media/libstagefright/omx/SoftVideoDecoderOMXComponent.cpp
index 2f83610..532cf2f 100644
--- a/media/libstagefright/omx/SoftVideoDecoderOMXComponent.cpp
+++ b/media/libstagefright/omx/SoftVideoDecoderOMXComponent.cpp
@@ -26,6 +26,7 @@
 #include <media/stagefright/foundation/ADebug.h>
 #include <media/stagefright/foundation/ALooper.h>
 #include <media/stagefright/foundation/AMessage.h>
+#include <media/stagefright/foundation/AUtils.h>
 #include <media/stagefright/MediaDefs.h>
 
 namespace android {
@@ -61,6 +62,8 @@
         mCropWidth(width),
         mCropHeight(height),
         mOutputPortSettingsChange(NONE),
+        mMinInputBufferSize(384), // arbitrary, using one uncompressed macroblock
+        mMinCompressionRatio(1),  // max input size is normally the output size
         mComponentRole(componentRole),
         mCodingType(codingType),
         mProfileLevels(profileLevels),
@@ -71,7 +74,11 @@
         OMX_U32 numInputBuffers,
         OMX_U32 inputBufferSize,
         OMX_U32 numOutputBuffers,
-        const char *mimeType) {
+        const char *mimeType,
+        OMX_U32 minCompressionRatio) {
+    mMinInputBufferSize = inputBufferSize;
+    mMinCompressionRatio = minCompressionRatio;
+
     OMX_PARAM_PORTDEFINITIONTYPE def;
     InitOMXParams(&def);
 
@@ -120,27 +127,30 @@
 
     addPort(def);
 
-    updatePortDefinitions();
+    updatePortDefinitions(true /* updateCrop */, true /* updateInputSize */);
 }
 
-void SoftVideoDecoderOMXComponent::updatePortDefinitions(bool updateCrop) {
-    OMX_PARAM_PORTDEFINITIONTYPE *def = &editPortInfo(kInputPortIndex)->mDef;
-    def->format.video.nFrameWidth = mWidth;
-    def->format.video.nFrameHeight = mHeight;
-    def->format.video.nStride = def->format.video.nFrameWidth;
-    def->format.video.nSliceHeight = def->format.video.nFrameHeight;
+void SoftVideoDecoderOMXComponent::updatePortDefinitions(bool updateCrop, bool updateInputSize) {
+    OMX_PARAM_PORTDEFINITIONTYPE *outDef = &editPortInfo(kOutputPortIndex)->mDef;
+    outDef->format.video.nFrameWidth = outputBufferWidth();
+    outDef->format.video.nFrameHeight = outputBufferHeight();
+    outDef->format.video.nStride = outDef->format.video.nFrameWidth;
+    outDef->format.video.nSliceHeight = outDef->format.video.nFrameHeight;
 
-    def->nBufferSize = def->format.video.nFrameWidth * def->format.video.nFrameHeight * 3 / 2;
+    outDef->nBufferSize =
+        (outDef->format.video.nStride * outDef->format.video.nSliceHeight * 3) / 2;
 
-    def = &editPortInfo(kOutputPortIndex)->mDef;
-    def->format.video.nFrameWidth = outputBufferWidth();
-    def->format.video.nFrameHeight = outputBufferHeight();
-    def->format.video.nStride = def->format.video.nFrameWidth;
-    def->format.video.nSliceHeight = def->format.video.nFrameHeight;
+    OMX_PARAM_PORTDEFINITIONTYPE *inDef = &editPortInfo(kInputPortIndex)->mDef;
+    inDef->format.video.nFrameWidth = mWidth;
+    inDef->format.video.nFrameHeight = mHeight;
+    // input port is compressed, hence it has no stride
+    inDef->format.video.nStride = 0;
+    inDef->format.video.nSliceHeight = 0;
 
-    def->nBufferSize =
-            (def->format.video.nFrameWidth *
-             def->format.video.nFrameHeight * 3) / 2;
+    // when output format changes, input buffer size does not actually change
+    if (updateInputSize) {
+        inDef->nBufferSize = max(outDef->nBufferSize / mMinCompressionRatio, mMinInputBufferSize);
+    }
 
     if (updateCrop) {
         mCropLeft = 0;
@@ -169,7 +179,8 @@
     bool strideChanged = false;
     if (fakeStride) {
         OMX_PARAM_PORTDEFINITIONTYPE *def = &editPortInfo(kOutputPortIndex)->mDef;
-        if (def->format.video.nStride != width || def->format.video.nSliceHeight != height) {
+        if (def->format.video.nStride != (OMX_S32)width
+                || def->format.video.nSliceHeight != (OMX_U32)height) {
             strideChanged = true;
         }
     }
@@ -252,7 +263,7 @@
                 (OMX_VIDEO_PARAM_PORTFORMATTYPE *)params;
 
             if (formatParams->nPortIndex > kMaxPortIndex) {
-                return OMX_ErrorUndefined;
+                return OMX_ErrorBadPortIndex;
             }
 
             if (formatParams->nIndex != 0) {
@@ -324,13 +335,25 @@
                 (OMX_VIDEO_PARAM_PORTFORMATTYPE *)params;
 
             if (formatParams->nPortIndex > kMaxPortIndex) {
-                return OMX_ErrorUndefined;
+                return OMX_ErrorBadPortIndex;
             }
 
             if (formatParams->nIndex != 0) {
                 return OMX_ErrorNoMore;
             }
 
+            if (formatParams->nPortIndex == kInputPortIndex) {
+                if (formatParams->eCompressionFormat != mCodingType
+                        || formatParams->eColorFormat != OMX_COLOR_FormatUnused) {
+                    return OMX_ErrorUnsupportedSetting;
+                }
+            } else {
+                if (formatParams->eCompressionFormat != OMX_VIDEO_CodingUnused
+                        || formatParams->eColorFormat != OMX_COLOR_FormatYUV420Planar) {
+                    return OMX_ErrorUnsupportedSetting;
+                }
+            }
+
             return OMX_ErrorNone;
         }
 
@@ -348,7 +371,7 @@
                 mAdaptiveMaxWidth = 0;
                 mAdaptiveMaxHeight = 0;
             }
-            updatePortDefinitions();
+            updatePortDefinitions(true /* updateCrop */, true /* updateInputSize */);
             return OMX_ErrorNone;
         }
 
@@ -369,11 +392,18 @@
                     (mIsAdaptive && outputPort) ? mAdaptiveMaxWidth : newWidth;
                 def->format.video.nFrameHeight =
                     (mIsAdaptive && outputPort) ? mAdaptiveMaxHeight : newHeight;
-                def->format.video.nStride = def->format.video.nFrameWidth;
-                def->format.video.nSliceHeight = def->format.video.nFrameHeight;
-                def->nBufferSize =
-                    def->format.video.nFrameWidth * def->format.video.nFrameHeight * 3 / 2;
                 if (outputPort) {
+                    def->format.video.nStride = def->format.video.nFrameWidth;
+                    def->format.video.nSliceHeight = def->format.video.nFrameHeight;
+                    def->nBufferSize =
+                        def->format.video.nStride * def->format.video.nSliceHeight * 3 / 2;
+
+
+                    OMX_PARAM_PORTDEFINITIONTYPE *inDef = &editPortInfo(kInputPortIndex)->mDef;
+                    // increase input buffer size if required
+                    inDef->nBufferSize =
+                        max(def->nBufferSize / mMinCompressionRatio, inDef->nBufferSize);
+
                     mWidth = newWidth;
                     mHeight = newHeight;
                     mCropLeft = 0;
diff --git a/media/libstagefright/omx/SoftVideoEncoderOMXComponent.cpp b/media/libstagefright/omx/SoftVideoEncoderOMXComponent.cpp
index 70ec6e4..d4d6217 100644
--- a/media/libstagefright/omx/SoftVideoEncoderOMXComponent.cpp
+++ b/media/libstagefright/omx/SoftVideoEncoderOMXComponent.cpp
@@ -19,6 +19,7 @@
 //#define LOG_NDEBUG 0
 #define LOG_TAG "SoftVideoEncoderOMXComponent"
 #include <utils/Log.h>
+#include <utils/misc.h>
 
 #include "include/SoftVideoEncoderOMXComponent.h"
 
@@ -27,6 +28,7 @@
 #include <media/stagefright/foundation/ADebug.h>
 #include <media/stagefright/foundation/ALooper.h>
 #include <media/stagefright/foundation/AMessage.h>
+#include <media/stagefright/foundation/AUtils.h>
 #include <media/stagefright/MediaDefs.h>
 
 #include <ui/GraphicBuffer.h>
@@ -34,13 +36,316 @@
 
 namespace android {
 
+const static OMX_COLOR_FORMATTYPE kSupportedColorFormats[] = {
+    OMX_COLOR_FormatYUV420Planar,
+    OMX_COLOR_FormatYUV420SemiPlanar,
+    OMX_COLOR_FormatAndroidOpaque
+};
+
+template<class T>
+static void InitOMXParams(T *params) {
+    params->nSize = sizeof(T);
+    params->nVersion.s.nVersionMajor = 1;
+    params->nVersion.s.nVersionMinor = 0;
+    params->nVersion.s.nRevision = 0;
+    params->nVersion.s.nStep = 0;
+}
+
 SoftVideoEncoderOMXComponent::SoftVideoEncoderOMXComponent(
         const char *name,
+        const char *componentRole,
+        OMX_VIDEO_CODINGTYPE codingType,
+        const CodecProfileLevel *profileLevels,
+        size_t numProfileLevels,
+        int32_t width,
+        int32_t height,
         const OMX_CALLBACKTYPE *callbacks,
         OMX_PTR appData,
         OMX_COMPONENTTYPE **component)
     : SimpleSoftOMXComponent(name, callbacks, appData, component),
-      mGrallocModule(NULL) {
+      mInputDataIsMeta(false),
+      mWidth(width),
+      mHeight(height),
+      mBitrate(192000),
+      mFramerate(30 << 16), // Q16 format
+      mColorFormat(OMX_COLOR_FormatYUV420Planar),
+      mGrallocModule(NULL),
+      mMinOutputBufferSize(384), // arbitrary, using one uncompressed macroblock
+      mMinCompressionRatio(1),   // max output size is normally the input size
+      mComponentRole(componentRole),
+      mCodingType(codingType),
+      mProfileLevels(profileLevels),
+      mNumProfileLevels(numProfileLevels) {
+}
+
+void SoftVideoEncoderOMXComponent::initPorts(
+        OMX_U32 numInputBuffers, OMX_U32 numOutputBuffers, OMX_U32 outputBufferSize,
+        const char *mime, OMX_U32 minCompressionRatio) {
+    OMX_PARAM_PORTDEFINITIONTYPE def;
+
+    mMinOutputBufferSize = outputBufferSize;
+    mMinCompressionRatio = minCompressionRatio;
+
+    InitOMXParams(&def);
+
+    def.nPortIndex = kInputPortIndex;
+    def.eDir = OMX_DirInput;
+    def.nBufferCountMin = numInputBuffers;
+    def.nBufferCountActual = def.nBufferCountMin;
+    def.bEnabled = OMX_TRUE;
+    def.bPopulated = OMX_FALSE;
+    def.eDomain = OMX_PortDomainVideo;
+    def.bBuffersContiguous = OMX_FALSE;
+    def.format.video.pNativeRender = NULL;
+    def.format.video.nFrameWidth = mWidth;
+    def.format.video.nFrameHeight = mHeight;
+    def.format.video.nStride = def.format.video.nFrameWidth;
+    def.format.video.nSliceHeight = def.format.video.nFrameHeight;
+    def.format.video.nBitrate = 0;
+    // frameRate is in Q16 format.
+    def.format.video.xFramerate = mFramerate;
+    def.format.video.bFlagErrorConcealment = OMX_FALSE;
+    def.nBufferAlignment = kInputBufferAlignment;
+    def.format.video.cMIMEType = const_cast<char *>("video/raw");
+    def.format.video.eCompressionFormat = OMX_VIDEO_CodingUnused;
+    def.format.video.eColorFormat = mColorFormat;
+    def.format.video.pNativeWindow = NULL;
+    // buffersize set in updatePortParams
+
+    addPort(def);
+
+    InitOMXParams(&def);
+
+    def.nPortIndex = kOutputPortIndex;
+    def.eDir = OMX_DirOutput;
+    def.nBufferCountMin = numOutputBuffers;
+    def.nBufferCountActual = def.nBufferCountMin;
+    def.bEnabled = OMX_TRUE;
+    def.bPopulated = OMX_FALSE;
+    def.eDomain = OMX_PortDomainVideo;
+    def.bBuffersContiguous = OMX_FALSE;
+    def.format.video.pNativeRender = NULL;
+    def.format.video.nFrameWidth = mWidth;
+    def.format.video.nFrameHeight = mHeight;
+    def.format.video.nStride = 0;
+    def.format.video.nSliceHeight = 0;
+    def.format.video.nBitrate = mBitrate;
+    def.format.video.xFramerate = 0 << 16;
+    def.format.video.bFlagErrorConcealment = OMX_FALSE;
+    def.nBufferAlignment = kOutputBufferAlignment;
+    def.format.video.cMIMEType = const_cast<char *>(mime);
+    def.format.video.eCompressionFormat = mCodingType;
+    def.format.video.eColorFormat = OMX_COLOR_FormatUnused;
+    def.format.video.pNativeWindow = NULL;
+    // buffersize set in updatePortParams
+
+    addPort(def);
+
+    updatePortParams();
+}
+
+void SoftVideoEncoderOMXComponent::updatePortParams() {
+    OMX_PARAM_PORTDEFINITIONTYPE *inDef = &editPortInfo(kInputPortIndex)->mDef;
+    inDef->format.video.nFrameWidth = mWidth;
+    inDef->format.video.nFrameHeight = mHeight;
+    inDef->format.video.nStride = inDef->format.video.nFrameWidth;
+    inDef->format.video.nSliceHeight = inDef->format.video.nFrameHeight;
+    inDef->format.video.xFramerate = mFramerate;
+    inDef->format.video.eColorFormat = mColorFormat;
+    uint32_t rawBufferSize =
+        inDef->format.video.nStride * inDef->format.video.nSliceHeight * 3 / 2;
+    if (inDef->format.video.eColorFormat == OMX_COLOR_FormatAndroidOpaque) {
+        inDef->nBufferSize = 4 + max(sizeof(buffer_handle_t), sizeof(GraphicBuffer *));
+    } else {
+        inDef->nBufferSize = rawBufferSize;
+    }
+
+    OMX_PARAM_PORTDEFINITIONTYPE *outDef = &editPortInfo(kOutputPortIndex)->mDef;
+    outDef->format.video.nFrameWidth = mWidth;
+    outDef->format.video.nFrameHeight = mHeight;
+    outDef->format.video.nBitrate = mBitrate;
+
+    outDef->nBufferSize = max(mMinOutputBufferSize, rawBufferSize / mMinCompressionRatio);
+}
+
+OMX_ERRORTYPE SoftVideoEncoderOMXComponent::internalSetPortParams(
+        const OMX_PARAM_PORTDEFINITIONTYPE *port) {
+    if (port->nPortIndex == kInputPortIndex) {
+        mWidth = port->format.video.nFrameWidth;
+        mHeight = port->format.video.nFrameHeight;
+
+        // xFramerate comes in Q16 format, in frames per second unit
+        mFramerate = port->format.video.xFramerate;
+
+        if (port->format.video.eCompressionFormat != OMX_VIDEO_CodingUnused
+                || (port->format.video.eColorFormat != OMX_COLOR_FormatYUV420Planar
+                        && port->format.video.eColorFormat != OMX_COLOR_FormatYUV420SemiPlanar
+                        && port->format.video.eColorFormat != OMX_COLOR_FormatAndroidOpaque)) {
+            return OMX_ErrorUnsupportedSetting;
+        }
+
+        mColorFormat = port->format.video.eColorFormat;
+    } else if (port->nPortIndex == kOutputPortIndex) {
+        if (port->format.video.eCompressionFormat != mCodingType
+                || port->format.video.eColorFormat != OMX_COLOR_FormatUnused) {
+            return OMX_ErrorUnsupportedSetting;
+        }
+
+        mBitrate = port->format.video.nBitrate;
+    } else {
+        return OMX_ErrorBadPortIndex;
+    }
+
+    updatePortParams();
+    return OMX_ErrorNone;
+}
+
+OMX_ERRORTYPE SoftVideoEncoderOMXComponent::internalSetParameter(
+        OMX_INDEXTYPE index, const OMX_PTR param) {
+    // can include extension index OMX_INDEXEXTTYPE
+    const int32_t indexFull = index;
+
+    switch (indexFull) {
+        case OMX_IndexParamVideoErrorCorrection:
+        {
+            return OMX_ErrorNotImplemented;
+        }
+
+        case OMX_IndexParamStandardComponentRole:
+        {
+            const OMX_PARAM_COMPONENTROLETYPE *roleParams =
+                (const OMX_PARAM_COMPONENTROLETYPE *)param;
+
+            if (strncmp((const char *)roleParams->cRole,
+                        mComponentRole,
+                        OMX_MAX_STRINGNAME_SIZE - 1)) {
+                return OMX_ErrorUnsupportedSetting;
+            }
+
+            return OMX_ErrorNone;
+        }
+
+        case OMX_IndexParamPortDefinition:
+        {
+            OMX_ERRORTYPE err = internalSetPortParams((const OMX_PARAM_PORTDEFINITIONTYPE *)param);
+
+            if (err != OMX_ErrorNone) {
+                return err;
+            }
+
+            return SimpleSoftOMXComponent::internalSetParameter(index, param);
+        }
+
+        case OMX_IndexParamVideoPortFormat:
+        {
+            const OMX_VIDEO_PARAM_PORTFORMATTYPE* format =
+                (const OMX_VIDEO_PARAM_PORTFORMATTYPE *)param;
+
+            if (format->nPortIndex == kInputPortIndex) {
+                if (format->eColorFormat == OMX_COLOR_FormatYUV420Planar ||
+                    format->eColorFormat == OMX_COLOR_FormatYUV420SemiPlanar ||
+                    format->eColorFormat == OMX_COLOR_FormatAndroidOpaque) {
+                    mColorFormat = format->eColorFormat;
+
+                    updatePortParams();
+                    return OMX_ErrorNone;
+                } else {
+                    ALOGE("Unsupported color format %i", format->eColorFormat);
+                    return OMX_ErrorUnsupportedSetting;
+                }
+            } else if (format->nPortIndex == kOutputPortIndex) {
+                if (format->eCompressionFormat == mCodingType) {
+                    return OMX_ErrorNone;
+                } else {
+                    return OMX_ErrorUnsupportedSetting;
+                }
+            } else {
+                return OMX_ErrorBadPortIndex;
+            }
+        }
+
+        case kStoreMetaDataExtensionIndex:
+        {
+            // storeMetaDataInBuffers
+            const StoreMetaDataInBuffersParams *storeParam =
+                (const StoreMetaDataInBuffersParams *)param;
+
+            if (storeParam->nPortIndex == kOutputPortIndex) {
+                return storeParam->bStoreMetaData ? OMX_ErrorUnsupportedSetting : OMX_ErrorNone;
+            } else if (storeParam->nPortIndex != kInputPortIndex) {
+                return OMX_ErrorBadPortIndex;
+            }
+
+            mInputDataIsMeta = (storeParam->bStoreMetaData == OMX_TRUE);
+            if (mInputDataIsMeta) {
+                mColorFormat = OMX_COLOR_FormatAndroidOpaque;
+            } else if (mColorFormat == OMX_COLOR_FormatAndroidOpaque) {
+                mColorFormat = OMX_COLOR_FormatYUV420Planar;
+            }
+            updatePortParams();
+            return OMX_ErrorNone;
+        }
+
+        default:
+            return SimpleSoftOMXComponent::internalSetParameter(index, param);
+    }
+}
+
+OMX_ERRORTYPE SoftVideoEncoderOMXComponent::internalGetParameter(
+        OMX_INDEXTYPE index, OMX_PTR param) {
+    switch (index) {
+        case OMX_IndexParamVideoErrorCorrection:
+        {
+            return OMX_ErrorNotImplemented;
+        }
+
+        case OMX_IndexParamVideoPortFormat:
+        {
+            OMX_VIDEO_PARAM_PORTFORMATTYPE *formatParams =
+                (OMX_VIDEO_PARAM_PORTFORMATTYPE *)param;
+
+            if (formatParams->nPortIndex == kInputPortIndex) {
+                if (formatParams->nIndex >= NELEM(kSupportedColorFormats)) {
+                    return OMX_ErrorNoMore;
+                }
+
+                // Color formats, in order of preference
+                formatParams->eColorFormat = kSupportedColorFormats[formatParams->nIndex];
+                formatParams->eCompressionFormat = OMX_VIDEO_CodingUnused;
+                formatParams->xFramerate = mFramerate;
+                return OMX_ErrorNone;
+            } else if (formatParams->nPortIndex == kOutputPortIndex) {
+                formatParams->eCompressionFormat = mCodingType;
+                formatParams->eColorFormat = OMX_COLOR_FormatUnused;
+                formatParams->xFramerate = 0;
+                return OMX_ErrorNone;
+            } else {
+                return OMX_ErrorBadPortIndex;
+            }
+        }
+
+        case OMX_IndexParamVideoProfileLevelQuerySupported:
+        {
+            OMX_VIDEO_PARAM_PROFILELEVELTYPE *profileLevel =
+                  (OMX_VIDEO_PARAM_PROFILELEVELTYPE *) param;
+
+            if (profileLevel->nPortIndex != kOutputPortIndex) {
+                ALOGE("Invalid port index: %u", profileLevel->nPortIndex);
+                return OMX_ErrorUnsupportedIndex;
+            }
+
+            if (profileLevel->nProfileIndex >= mNumProfileLevels) {
+                return OMX_ErrorNoMore;
+            }
+
+            profileLevel->eProfile = mProfileLevels[profileLevel->nProfileIndex].mProfile;
+            profileLevel->eLevel   = mProfileLevels[profileLevel->nProfileIndex].mLevel;
+            return OMX_ErrorNone;
+        }
+
+        default:
+            return SimpleSoftOMXComponent::internalGetParameter(index, param);
+    }
 }
 
 // static
diff --git a/media/libstagefright/tests/Utils_test.cpp b/media/libstagefright/tests/Utils_test.cpp
index f2825dd..5c323c1 100644
--- a/media/libstagefright/tests/Utils_test.cpp
+++ b/media/libstagefright/tests/Utils_test.cpp
@@ -24,6 +24,7 @@
 #include <unistd.h>
 
 #include <media/stagefright/foundation/ADebug.h>
+#include <media/stagefright/foundation/AStringUtils.h>
 #include <media/stagefright/foundation/AUtils.h>
 #include <media/stagefright/Utils.h>
 
@@ -32,6 +33,100 @@
 class UtilsTest : public ::testing::Test {
 };
 
+TEST_F(UtilsTest, TestStringUtils) {
+    ASSERT_EQ(AStringUtils::Compare("Audio", "AudioExt", 5, false), 0);
+    ASSERT_EQ(AStringUtils::Compare("Audio", "audiOExt", 5, true), 0);
+    ASSERT_NE(AStringUtils::Compare("Audio", "audioExt", 5, false), 0);
+    ASSERT_NE(AStringUtils::Compare("Audio", "AudiOExt", 5, false), 0);
+
+    ASSERT_LT(AStringUtils::Compare("Audio", "AudioExt", 7, false), 0);
+    ASSERT_LT(AStringUtils::Compare("Audio", "audiOExt", 7, true), 0);
+
+    ASSERT_GT(AStringUtils::Compare("AudioExt", "Audio", 7, false), 0);
+    ASSERT_GT(AStringUtils::Compare("audiOext", "Audio", 7, true), 0);
+
+    ASSERT_LT(AStringUtils::Compare("Audio", "Video", 5, false), 0);
+    ASSERT_LT(AStringUtils::Compare("Audio1", "Audio2", 6, false), 0);
+    ASSERT_LT(AStringUtils::Compare("audio", "VIDEO", 5, true), 0);
+    ASSERT_LT(AStringUtils::Compare("audio1", "AUDIO2", 6, true), 0);
+
+    ASSERT_GT(AStringUtils::Compare("Video", "Audio", 5, false), 0);
+    ASSERT_GT(AStringUtils::Compare("Audio2", "Audio1", 6, false), 0);
+    ASSERT_GT(AStringUtils::Compare("VIDEO", "audio", 5, true), 0);
+    ASSERT_GT(AStringUtils::Compare("AUDIO2", "audio1", 6, true), 0);
+
+    ASSERT_TRUE(AStringUtils::MatchesGlob("AudioA", 5, "AudioB", 5, false));
+    ASSERT_FALSE(AStringUtils::MatchesGlob("AudioA", 6, "AudioA", 5, false));
+    ASSERT_FALSE(AStringUtils::MatchesGlob("AudioA", 5, "AudioA", 6, false));
+    ASSERT_FALSE(AStringUtils::MatchesGlob("AudioA", 5, "audiOB", 5, false));
+    ASSERT_TRUE(AStringUtils::MatchesGlob("AudioA", 5, "audiOB", 5, true));
+    ASSERT_FALSE(AStringUtils::MatchesGlob("AudioA", 6, "AudioA", 5, true));
+    ASSERT_FALSE(AStringUtils::MatchesGlob("AudioA", 5, "AudioA", 6, true));
+
+    ASSERT_TRUE(AStringUtils::MatchesGlob("*1", 1, "String8", 6, true));
+    ASSERT_TRUE(AStringUtils::MatchesGlob("*1", 1, "String8", 6, false));
+    ASSERT_TRUE(AStringUtils::MatchesGlob("*1", 1, "String8", 0, true));
+    ASSERT_TRUE(AStringUtils::MatchesGlob("*1", 1, "String8", 0, false));
+
+    ASSERT_TRUE(AStringUtils::MatchesGlob("*ring1", 5, "String8", 6, false));
+    ASSERT_TRUE(AStringUtils::MatchesGlob("*ring2", 5, "STRING8", 6, true));
+    ASSERT_FALSE(AStringUtils::MatchesGlob("*ring4", 5, "StRing8", 6, false));
+    ASSERT_FALSE(AStringUtils::MatchesGlob("*ring5", 5, "StrinG8", 6, false));
+    ASSERT_FALSE(AStringUtils::MatchesGlob("*ring8", 5, "String8", 7, false));
+    ASSERT_FALSE(AStringUtils::MatchesGlob("*ring8", 5, "String8", 7, true));
+
+    ASSERT_TRUE(AStringUtils::MatchesGlob("Str*1", 4, "String8", 6, false));
+    ASSERT_TRUE(AStringUtils::MatchesGlob("Str*2", 4, "STRING8", 6, true));
+    ASSERT_FALSE(AStringUtils::MatchesGlob("Str*3", 4, "string8", 6, false));
+    ASSERT_FALSE(AStringUtils::MatchesGlob("Str*4", 4, "StRing8", 6, false));
+    ASSERT_FALSE(AStringUtils::MatchesGlob("Str*5", 4, "AString8", 7, false));
+    ASSERT_FALSE(AStringUtils::MatchesGlob("Str*6", 4, "AString8", 7, true));
+
+    ASSERT_TRUE(AStringUtils::MatchesGlob("Str*ng1", 6, "String8", 6, false));
+    ASSERT_FALSE(AStringUtils::MatchesGlob("Str*ng2", 6, "string8", 6, false));
+    ASSERT_FALSE(AStringUtils::MatchesGlob("Str*ng3", 6, "StRing8", 6, false));
+    ASSERT_FALSE(AStringUtils::MatchesGlob("Str*ng4", 6, "StriNg8", 6, false));
+    ASSERT_FALSE(AStringUtils::MatchesGlob("Str*ng5", 6, "StrinG8", 6, false));
+    ASSERT_TRUE(AStringUtils::MatchesGlob("Str*ng6", 6, "STRING8", 6, true));
+    ASSERT_FALSE(AStringUtils::MatchesGlob("Str*ng8", 6, "AString8", 7, false));
+    ASSERT_FALSE(AStringUtils::MatchesGlob("Str*ng1", 6, "String16", 7, false));
+    ASSERT_TRUE(AStringUtils::MatchesGlob("Str*ing9", 7, "String8", 6, false));
+    ASSERT_FALSE(AStringUtils::MatchesGlob("Str*ringA", 8, "String8", 6, false));
+    ASSERT_FALSE(AStringUtils::MatchesGlob("Str*ng8", 6, "AString8", 7, true));
+    ASSERT_FALSE(AStringUtils::MatchesGlob("Str*ng1", 6, "String16", 7, true));
+    ASSERT_TRUE(AStringUtils::MatchesGlob("Str*ing9", 7, "STRING8", 6, true));
+    ASSERT_FALSE(AStringUtils::MatchesGlob("Str*ringA", 8, "String8", 6, true));
+
+    ASSERT_TRUE(AStringUtils::MatchesGlob("*str*str1", 8, "bestrestroom", 9, false));
+    ASSERT_TRUE(AStringUtils::MatchesGlob("*str*str1", 8, "bestrestrestroom", 13, false));
+    ASSERT_FALSE(AStringUtils::MatchesGlob("*str*stro", 8, "bestrestrestroom", 14, false));
+    ASSERT_TRUE(AStringUtils::MatchesGlob("*str*str*1", 9, "bestrestrestroom", 14, false));
+    ASSERT_TRUE(AStringUtils::MatchesGlob("*str*str1", 8, "beSTReSTRoom", 9, true));
+    ASSERT_TRUE(AStringUtils::MatchesGlob("*str*str1", 8, "beSTRestreSTRoom", 13, true));
+    ASSERT_FALSE(AStringUtils::MatchesGlob("*str*stro", 8, "bestreSTReSTRoom", 14, true));
+    ASSERT_TRUE(AStringUtils::MatchesGlob("*str*str*1", 9, "bestreSTReSTRoom", 14, true));
+}
+
+TEST_F(UtilsTest, TestDebug) {
+#define LVL(x) (ADebug::Level)(x)
+    ASSERT_EQ(ADebug::GetDebugLevelFromString("video", "", LVL(5)), LVL(5));
+    ASSERT_EQ(ADebug::GetDebugLevelFromString("video", "   \t  \n ", LVL(2)), LVL(2));
+    ASSERT_EQ(ADebug::GetDebugLevelFromString("video", "3", LVL(5)), LVL(3));
+    ASSERT_EQ(ADebug::GetDebugLevelFromString("video", "3:*deo", LVL(5)), LVL(3));
+    ASSERT_EQ(ADebug::GetDebugLevelFromString(
+            "video", "\t\n 3 \t\n:\t\n video \t\n", LVL(5)), LVL(3));
+    ASSERT_EQ(ADebug::GetDebugLevelFromString("video", "3:*deo,2:vid*", LVL(5)), LVL(2));
+    ASSERT_EQ(ADebug::GetDebugLevelFromString(
+            "avideo", "\t\n 3 \t\n:\t\n avideo \t\n,\t\n 2 \t\n:\t\n video \t\n", LVL(5)), LVL(3));
+    ASSERT_EQ(ADebug::GetDebugLevelFromString(
+            "audio.omx", "4:*omx,3:*d*o*,2:audio*", LVL(5)), LVL(2));
+    ASSERT_EQ(ADebug::GetDebugLevelFromString(
+            "video.omx", "4:*omx,3:*d*o*,2:audio*", LVL(5)), LVL(3));
+    ASSERT_EQ(ADebug::GetDebugLevelFromString("video", "4:*omx,3:*d*o*,2:audio*", LVL(5)), LVL(3));
+    ASSERT_EQ(ADebug::GetDebugLevelFromString("omx", "4:*omx,3:*d*o*,2:audio*", LVL(5)), LVL(4));
+#undef LVL
+}
+
 TEST_F(UtilsTest, TestFourCC) {
     ASSERT_EQ(FOURCC('s', 't', 'm' , 'u'), 'stmu');
 }
@@ -77,6 +172,13 @@
     ASSERT_EQ(divUp(12, 4), 3);
     ASSERT_EQ(divUp(13, 4), 4);
 
+    ASSERT_EQ(align(11, 4), 12);
+    ASSERT_EQ(align(12, 4), 12);
+    ASSERT_EQ(align(13, 4), 16);
+    ASSERT_EQ(align(11, 8), 16);
+    ASSERT_EQ(align(11, 2), 12);
+    ASSERT_EQ(align(11, 1), 11);
+
     ASSERT_EQ(abs(5L), 5L);
     ASSERT_EQ(abs(-25), 25);
 
diff --git a/media/mtp/MtpDataPacket.cpp b/media/mtp/MtpDataPacket.cpp
index e6e19e3..052b700 100644
--- a/media/mtp/MtpDataPacket.cpp
+++ b/media/mtp/MtpDataPacket.cpp
@@ -51,104 +51,178 @@
     MtpPacket::putUInt32(MTP_CONTAINER_TRANSACTION_ID_OFFSET, id);
 }
 
-uint16_t MtpDataPacket::getUInt16() {
-    int offset = mOffset;
-    uint16_t result = (uint16_t)mBuffer[offset] | ((uint16_t)mBuffer[offset + 1] << 8);
-    mOffset += 2;
-    return result;
+bool MtpDataPacket::getUInt8(uint8_t& value) {
+    if (mPacketSize - mOffset < sizeof(value))
+        return false;
+    value = mBuffer[mOffset++];
+    return true;
 }
 
-uint32_t MtpDataPacket::getUInt32() {
+bool MtpDataPacket::getUInt16(uint16_t& value) {
+    if (mPacketSize - mOffset < sizeof(value))
+        return false;
     int offset = mOffset;
-    uint32_t result = (uint32_t)mBuffer[offset] | ((uint32_t)mBuffer[offset + 1] << 8) |
+    value = (uint16_t)mBuffer[offset] | ((uint16_t)mBuffer[offset + 1] << 8);
+    mOffset += sizeof(value);
+    return true;
+}
+
+bool MtpDataPacket::getUInt32(uint32_t& value) {
+    if (mPacketSize - mOffset < sizeof(value))
+        return false;
+    int offset = mOffset;
+    value = (uint32_t)mBuffer[offset] | ((uint32_t)mBuffer[offset + 1] << 8) |
            ((uint32_t)mBuffer[offset + 2] << 16)  | ((uint32_t)mBuffer[offset + 3] << 24);
-    mOffset += 4;
-    return result;
+    mOffset += sizeof(value);
+    return true;
 }
 
-uint64_t MtpDataPacket::getUInt64() {
+bool MtpDataPacket::getUInt64(uint64_t& value) {
+    if (mPacketSize - mOffset < sizeof(value))
+        return false;
     int offset = mOffset;
-    uint64_t result = (uint64_t)mBuffer[offset] | ((uint64_t)mBuffer[offset + 1] << 8) |
+    value = (uint64_t)mBuffer[offset] | ((uint64_t)mBuffer[offset + 1] << 8) |
            ((uint64_t)mBuffer[offset + 2] << 16) | ((uint64_t)mBuffer[offset + 3] << 24) |
            ((uint64_t)mBuffer[offset + 4] << 32) | ((uint64_t)mBuffer[offset + 5] << 40) |
            ((uint64_t)mBuffer[offset + 6] << 48)  | ((uint64_t)mBuffer[offset + 7] << 56);
-    mOffset += 8;
-    return result;
+    mOffset += sizeof(value);
+    return true;
 }
 
-void MtpDataPacket::getUInt128(uint128_t& value) {
-    value[0] = getUInt32();
-    value[1] = getUInt32();
-    value[2] = getUInt32();
-    value[3] = getUInt32();
+bool MtpDataPacket::getUInt128(uint128_t& value) {
+    return getUInt32(value[0]) && getUInt32(value[1]) && getUInt32(value[2]) && getUInt32(value[3]);
 }
 
-void MtpDataPacket::getString(MtpStringBuffer& string)
+bool MtpDataPacket::getString(MtpStringBuffer& string)
 {
-    string.readFromPacket(this);
+    return string.readFromPacket(this);
 }
 
 Int8List* MtpDataPacket::getAInt8() {
+    uint32_t count;
+    if (!getUInt32(count))
+        return NULL;
     Int8List* result = new Int8List;
-    int count = getUInt32();
-    for (int i = 0; i < count; i++)
-        result->push(getInt8());
+    for (uint32_t i = 0; i < count; i++) {
+        int8_t value;
+        if (!getInt8(value)) {
+            delete result;
+            return NULL;
+        }
+        result->push(value);
+    }
     return result;
 }
 
 UInt8List* MtpDataPacket::getAUInt8() {
+    uint32_t count;
+    if (!getUInt32(count))
+        return NULL;
     UInt8List* result = new UInt8List;
-    int count = getUInt32();
-    for (int i = 0; i < count; i++)
-        result->push(getUInt8());
+    for (uint32_t i = 0; i < count; i++) {
+        uint8_t value;
+        if (!getUInt8(value)) {
+            delete result;
+            return NULL;
+        }
+        result->push(value);
+    }
     return result;
 }
 
 Int16List* MtpDataPacket::getAInt16() {
+    uint32_t count;
+    if (!getUInt32(count))
+        return NULL;
     Int16List* result = new Int16List;
-    int count = getUInt32();
-    for (int i = 0; i < count; i++)
-        result->push(getInt16());
+    for (uint32_t i = 0; i < count; i++) {
+        int16_t value;
+        if (!getInt16(value)) {
+            delete result;
+            return NULL;
+        }
+        result->push(value);
+    }
     return result;
 }
 
 UInt16List* MtpDataPacket::getAUInt16() {
+    uint32_t count;
+    if (!getUInt32(count))
+        return NULL;
     UInt16List* result = new UInt16List;
-    int count = getUInt32();
-    for (int i = 0; i < count; i++)
-        result->push(getUInt16());
+    for (uint32_t i = 0; i < count; i++) {
+        uint16_t value;
+        if (!getUInt16(value)) {
+            delete result;
+            return NULL;
+        }
+        result->push(value);
+    }
     return result;
 }
 
 Int32List* MtpDataPacket::getAInt32() {
+    uint32_t count;
+    if (!getUInt32(count))
+        return NULL;
     Int32List* result = new Int32List;
-    int count = getUInt32();
-    for (int i = 0; i < count; i++)
-        result->push(getInt32());
+    for (uint32_t i = 0; i < count; i++) {
+        int32_t value;
+        if (!getInt32(value)) {
+            delete result;
+            return NULL;
+        }
+        result->push(value);
+    }
     return result;
 }
 
 UInt32List* MtpDataPacket::getAUInt32() {
+    uint32_t count;
+    if (!getUInt32(count))
+        return NULL;
     UInt32List* result = new UInt32List;
-    int count = getUInt32();
-    for (int i = 0; i < count; i++)
-        result->push(getUInt32());
+    for (uint32_t i = 0; i < count; i++) {
+        uint32_t value;
+        if (!getUInt32(value)) {
+            delete result;
+            return NULL;
+        }
+        result->push(value);
+    }
     return result;
 }
 
 Int64List* MtpDataPacket::getAInt64() {
+    uint32_t count;
+    if (!getUInt32(count))
+        return NULL;
     Int64List* result = new Int64List;
-    int count = getUInt32();
-    for (int i = 0; i < count; i++)
-        result->push(getInt64());
+    for (uint32_t i = 0; i < count; i++) {
+        int64_t value;
+        if (!getInt64(value)) {
+            delete result;
+            return NULL;
+        }
+        result->push(value);
+    }
     return result;
 }
 
 UInt64List* MtpDataPacket::getAUInt64() {
+    uint32_t count;
+    if (!getUInt32(count))
+        return NULL;
     UInt64List* result = new UInt64List;
-    int count = getUInt32();
-    for (int i = 0; i < count; i++)
-        result->push(getUInt64());
+    for (uint32_t i = 0; i < count; i++) {
+        uint64_t value;
+        if (!getUInt64(value)) {
+            delete result;
+            return NULL;
+        }
+        result->push(value);
+    }
     return result;
 }
 
diff --git a/media/mtp/MtpDataPacket.h b/media/mtp/MtpDataPacket.h
index 2b81063..13d3bd9 100644
--- a/media/mtp/MtpDataPacket.h
+++ b/media/mtp/MtpDataPacket.h
@@ -30,7 +30,7 @@
 class MtpDataPacket : public MtpPacket {
 private:
     // current offset for get/put methods
-    int                 mOffset;
+    size_t              mOffset;
 
 public:
                         MtpDataPacket();
@@ -42,17 +42,18 @@
     void                setTransactionID(MtpTransactionID id);
 
     inline const uint8_t*     getData() const { return mBuffer + MTP_CONTAINER_HEADER_SIZE; }
-    inline uint8_t      getUInt8() { return (uint8_t)mBuffer[mOffset++]; }
-    inline int8_t       getInt8() { return (int8_t)mBuffer[mOffset++]; }
-    uint16_t            getUInt16();
-    inline int16_t      getInt16() { return (int16_t)getUInt16(); }
-    uint32_t            getUInt32();
-    inline int32_t      getInt32() { return (int32_t)getUInt32(); }
-    uint64_t            getUInt64();
-    inline int64_t      getInt64() { return (int64_t)getUInt64(); }
-    void                getUInt128(uint128_t& value);
-    inline void         getInt128(int128_t& value) { getUInt128((uint128_t&)value); }
-    void                getString(MtpStringBuffer& string);
+
+    bool                getUInt8(uint8_t& value);
+    inline bool         getInt8(int8_t& value) { return getUInt8((uint8_t&)value); }
+    bool                getUInt16(uint16_t& value);
+    inline bool         getInt16(int16_t& value) { return getUInt16((uint16_t&)value); }
+    bool                getUInt32(uint32_t& value);
+    inline bool         getInt32(int32_t& value) { return getUInt32((uint32_t&)value); }
+    bool                getUInt64(uint64_t& value);
+    inline bool         getInt64(int64_t& value) { return getUInt64((uint64_t&)value); }
+    bool                getUInt128(uint128_t& value);
+    inline bool         getInt128(int128_t& value) { return getUInt128((uint128_t&)value); }
+    bool                getString(MtpStringBuffer& string);
 
     Int8List*           getAInt8();
     UInt8List*          getAUInt8();
diff --git a/media/mtp/MtpDevice.cpp b/media/mtp/MtpDevice.cpp
index 96331b5..3eafd6f 100644
--- a/media/mtp/MtpDevice.cpp
+++ b/media/mtp/MtpDevice.cpp
@@ -322,8 +322,10 @@
     MtpResponseCode ret = readResponse();
     if (ret == MTP_RESPONSE_OK) {
         MtpDeviceInfo* info = new MtpDeviceInfo;
-        info->read(mData);
-        return info;
+        if (info->read(mData))
+            return info;
+        else
+            delete info;
     }
     return NULL;
 }
@@ -355,8 +357,10 @@
     MtpResponseCode ret = readResponse();
     if (ret == MTP_RESPONSE_OK) {
         MtpStorageInfo* info = new MtpStorageInfo(storageID);
-        info->read(mData);
-        return info;
+        if (info->read(mData))
+            return info;
+        else
+            delete info;
     }
     return NULL;
 }
@@ -394,8 +398,10 @@
     MtpResponseCode ret = readResponse();
     if (ret == MTP_RESPONSE_OK) {
         MtpObjectInfo* info = new MtpObjectInfo(handle);
-        info->read(mData);
-        return info;
+        if (info->read(mData))
+            return info;
+        else
+            delete info;
     }
     return NULL;
 }
@@ -556,8 +562,10 @@
     MtpResponseCode ret = readResponse();
     if (ret == MTP_RESPONSE_OK) {
         MtpProperty* property = new MtpProperty;
-        property->read(mData);
-        return property;
+        if (property->read(mData))
+            return property;
+        else
+            delete property;
     }
     return NULL;
 }
@@ -575,15 +583,17 @@
     MtpResponseCode ret = readResponse();
     if (ret == MTP_RESPONSE_OK) {
         MtpProperty* property = new MtpProperty;
-        property->read(mData);
-        return property;
+        if (property->read(mData))
+            return property;
+        else
+            delete property;
     }
     return NULL;
 }
 
 bool MtpDevice::readObject(MtpObjectHandle handle,
         bool (* callback)(void* data, int offset, int length, void* clientData),
-        int objectSize, void* clientData) {
+        size_t objectSize, void* clientData) {
     Mutex::Autolock autoLock(mMutex);
     bool result = false;
 
diff --git a/media/mtp/MtpDevice.h b/media/mtp/MtpDevice.h
index b69203e..9b0acbf 100644
--- a/media/mtp/MtpDevice.h
+++ b/media/mtp/MtpDevice.h
@@ -98,7 +98,7 @@
     bool                    readObject(MtpObjectHandle handle,
                                     bool (* callback)(void* data, int offset,
                                             int length, void* clientData),
-                                    int objectSize, void* clientData);
+                                    size_t objectSize, void* clientData);
     bool                    readObject(MtpObjectHandle handle, const char* destPath, int group,
                                     int perm);
 
diff --git a/media/mtp/MtpDeviceInfo.cpp b/media/mtp/MtpDeviceInfo.cpp
index 108e2b8..3e1dff7 100644
--- a/media/mtp/MtpDeviceInfo.cpp
+++ b/media/mtp/MtpDeviceInfo.cpp
@@ -28,7 +28,7 @@
         mVendorExtensionID(0),
         mVendorExtensionVersion(0),
         mVendorExtensionDesc(NULL),
-        mFunctionalCode(0),
+        mFunctionalMode(0),
         mOperations(NULL),
         mEvents(NULL),
         mDeviceProperties(NULL),
@@ -59,39 +59,46 @@
         free(mSerial);
 }
 
-void MtpDeviceInfo::read(MtpDataPacket& packet) {
+bool MtpDeviceInfo::read(MtpDataPacket& packet) {
     MtpStringBuffer string;
 
     // read the device info
-    mStandardVersion = packet.getUInt16();
-    mVendorExtensionID = packet.getUInt32();
-    mVendorExtensionVersion = packet.getUInt16();
+    if (!packet.getUInt16(mStandardVersion)) return false;
+    if (!packet.getUInt32(mVendorExtensionID)) return false;
+    if (!packet.getUInt16(mVendorExtensionVersion)) return false;
 
-    packet.getString(string);
+    if (!packet.getString(string)) return false;
     mVendorExtensionDesc = strdup((const char *)string);
 
-    mFunctionalCode = packet.getUInt16();
+    if (!packet.getUInt16(mFunctionalMode)) return false;
     mOperations = packet.getAUInt16();
+    if (!mOperations) return false;
     mEvents = packet.getAUInt16();
+    if (!mEvents) return false;
     mDeviceProperties = packet.getAUInt16();
+    if (!mDeviceProperties) return false;
     mCaptureFormats = packet.getAUInt16();
+    if (!mCaptureFormats) return false;
     mPlaybackFormats = packet.getAUInt16();
+    if (!mCaptureFormats) return false;
 
-    packet.getString(string);
+    if (!packet.getString(string)) return false;
     mManufacturer = strdup((const char *)string);
-    packet.getString(string);
+    if (!packet.getString(string)) return false;
     mModel = strdup((const char *)string);
-    packet.getString(string);
+    if (!packet.getString(string)) return false;
     mVersion = strdup((const char *)string);
-    packet.getString(string);
+    if (!packet.getString(string)) return false;
     mSerial = strdup((const char *)string);
+
+    return true;
 }
 
 void MtpDeviceInfo::print() {
     ALOGV("Device Info:\n\tmStandardVersion: %d\n\tmVendorExtensionID: %d\n\tmVendorExtensionVersiony: %d\n",
             mStandardVersion, mVendorExtensionID, mVendorExtensionVersion);
-    ALOGV("\tmVendorExtensionDesc: %s\n\tmFunctionalCode: %d\n\tmManufacturer: %s\n\tmModel: %s\n\tmVersion: %s\n\tmSerial: %s\n",
-            mVendorExtensionDesc, mFunctionalCode, mManufacturer, mModel, mVersion, mSerial);
+    ALOGV("\tmVendorExtensionDesc: %s\n\tmFunctionalMode: %d\n\tmManufacturer: %s\n\tmModel: %s\n\tmVersion: %s\n\tmSerial: %s\n",
+            mVendorExtensionDesc, mFunctionalMode, mManufacturer, mModel, mVersion, mSerial);
 }
 
 }  // namespace android
diff --git a/media/mtp/MtpDeviceInfo.h b/media/mtp/MtpDeviceInfo.h
index 2abaa10..bcda9a5 100644
--- a/media/mtp/MtpDeviceInfo.h
+++ b/media/mtp/MtpDeviceInfo.h
@@ -29,7 +29,7 @@
     uint32_t                mVendorExtensionID;
     uint16_t                mVendorExtensionVersion;
     char*                   mVendorExtensionDesc;
-    uint16_t                mFunctionalCode;
+    uint16_t                mFunctionalMode;
     UInt16List*             mOperations;
     UInt16List*             mEvents;
     MtpDevicePropertyList*  mDeviceProperties;
@@ -44,7 +44,7 @@
                             MtpDeviceInfo();
     virtual                 ~MtpDeviceInfo();
 
-    void                    read(MtpDataPacket& packet);
+    bool                    read(MtpDataPacket& packet);
 
     void                    print();
 };
diff --git a/media/mtp/MtpObjectInfo.cpp b/media/mtp/MtpObjectInfo.cpp
index cd15343..0573104 100644
--- a/media/mtp/MtpObjectInfo.cpp
+++ b/media/mtp/MtpObjectInfo.cpp
@@ -55,39 +55,41 @@
         free(mKeywords);
 }
 
-void MtpObjectInfo::read(MtpDataPacket& packet) {
+bool MtpObjectInfo::read(MtpDataPacket& packet) {
     MtpStringBuffer string;
     time_t time;
 
-    mStorageID = packet.getUInt32();
-    mFormat = packet.getUInt16();
-    mProtectionStatus = packet.getUInt16();
-    mCompressedSize = packet.getUInt32();
-    mThumbFormat = packet.getUInt16();
-    mThumbCompressedSize = packet.getUInt32();
-    mThumbPixWidth = packet.getUInt32();
-    mThumbPixHeight = packet.getUInt32();
-    mImagePixWidth = packet.getUInt32();
-    mImagePixHeight = packet.getUInt32();
-    mImagePixDepth = packet.getUInt32();
-    mParent = packet.getUInt32();
-    mAssociationType = packet.getUInt16();
-    mAssociationDesc = packet.getUInt32();
-    mSequenceNumber = packet.getUInt32();
+    if (!packet.getUInt32(mStorageID)) return false;
+    if (!packet.getUInt16(mFormat)) return false;
+    if (!packet.getUInt16(mProtectionStatus)) return false;
+    if (!packet.getUInt32(mCompressedSize)) return false;
+    if (!packet.getUInt16(mThumbFormat)) return false;
+    if (!packet.getUInt32(mThumbCompressedSize)) return false;
+    if (!packet.getUInt32(mThumbPixWidth)) return false;
+    if (!packet.getUInt32(mThumbPixHeight)) return false;
+    if (!packet.getUInt32(mImagePixWidth)) return false;
+    if (!packet.getUInt32(mImagePixHeight)) return false;
+    if (!packet.getUInt32(mImagePixDepth)) return false;
+    if (!packet.getUInt32(mParent)) return false;
+    if (!packet.getUInt16(mAssociationType)) return false;
+    if (!packet.getUInt32(mAssociationDesc)) return false;
+    if (!packet.getUInt32(mSequenceNumber)) return false;
 
-    packet.getString(string);
+    if (!packet.getString(string)) return false;
     mName = strdup((const char *)string);
 
-    packet.getString(string);
+    if (!packet.getString(string)) return false;
     if (parseDateTime((const char*)string, time))
         mDateCreated = time;
 
-    packet.getString(string);
+    if (!packet.getString(string)) return false;
     if (parseDateTime((const char*)string, time))
         mDateModified = time;
 
-    packet.getString(string);
+    if (!packet.getString(string)) return false;
     mKeywords = strdup((const char *)string);
+
+    return true;
 }
 
 void MtpObjectInfo::print() {
diff --git a/media/mtp/MtpObjectInfo.h b/media/mtp/MtpObjectInfo.h
index c7a449c..86780f1 100644
--- a/media/mtp/MtpObjectInfo.h
+++ b/media/mtp/MtpObjectInfo.h
@@ -50,7 +50,7 @@
                         MtpObjectInfo(MtpObjectHandle handle);
     virtual             ~MtpObjectInfo();
 
-    void                read(MtpDataPacket& packet);
+    bool                read(MtpDataPacket& packet);
 
     void                print();
 };
diff --git a/media/mtp/MtpPacket.cpp b/media/mtp/MtpPacket.cpp
index dd07843..bab1335 100644
--- a/media/mtp/MtpPacket.cpp
+++ b/media/mtp/MtpPacket.cpp
@@ -52,7 +52,7 @@
     memset(mBuffer, 0, mBufferSize);
 }
 
-void MtpPacket::allocate(int length) {
+void MtpPacket::allocate(size_t length) {
     if (length > mBufferSize) {
         int newLength = length + mAllocationIncrement;
         mBuffer = (uint8_t *)realloc(mBuffer, newLength);
diff --git a/media/mtp/MtpPacket.h b/media/mtp/MtpPacket.h
index 0ffb1d3..037722a 100644
--- a/media/mtp/MtpPacket.h
+++ b/media/mtp/MtpPacket.h
@@ -28,11 +28,11 @@
 protected:
     uint8_t*            mBuffer;
     // current size of the buffer
-    int                 mBufferSize;
+    size_t              mBufferSize;
     // number of bytes to add when resizing the buffer
-    int                 mAllocationIncrement;
+    size_t              mAllocationIncrement;
     // size of the data in the packet
-    int                 mPacketSize;
+    size_t              mPacketSize;
 
 public:
                         MtpPacket(int bufferSize);
@@ -41,7 +41,7 @@
     // sets packet size to the default container size and sets buffer to zero
     virtual void        reset();
 
-    void                allocate(int length);
+    void                allocate(size_t length);
     void                dump();
     void                copyFrom(const MtpPacket& src);
 
diff --git a/media/mtp/MtpProperty.cpp b/media/mtp/MtpProperty.cpp
index c500901..d58e2a4 100644
--- a/media/mtp/MtpProperty.cpp
+++ b/media/mtp/MtpProperty.cpp
@@ -106,15 +106,15 @@
         free(mMinimumValue.str);
         free(mMaximumValue.str);
         if (mDefaultArrayValues) {
-            for (int i = 0; i < mDefaultArrayLength; i++)
+            for (uint32_t i = 0; i < mDefaultArrayLength; i++)
                 free(mDefaultArrayValues[i].str);
         }
         if (mCurrentArrayValues) {
-            for (int i = 0; i < mCurrentArrayLength; i++)
+            for (uint32_t i = 0; i < mCurrentArrayLength; i++)
                 free(mCurrentArrayValues[i].str);
         }
         if (mEnumValues) {
-            for (int i = 0; i < mEnumLength; i++)
+            for (uint16_t i = 0; i < mEnumLength; i++)
                 free(mEnumValues[i].str);
         }
     }
@@ -123,11 +123,14 @@
     delete[] mEnumValues;
 }
 
-void MtpProperty::read(MtpDataPacket& packet) {
-    mCode = packet.getUInt16();
+bool MtpProperty::read(MtpDataPacket& packet) {
+    uint8_t temp8;
+
+    if (!packet.getUInt16(mCode)) return false;
     bool deviceProp = isDeviceProperty();
-    mType = packet.getUInt16();
-    mWriteable = (packet.getUInt8() == 1);
+    if (!packet.getUInt16(mType)) return false;
+    if (!packet.getUInt8(temp8)) return false;
+    mWriteable = (temp8 == 1);
     switch (mType) {
         case MTP_TYPE_AINT8:
         case MTP_TYPE_AUINT8:
@@ -140,28 +143,36 @@
         case MTP_TYPE_AINT128:
         case MTP_TYPE_AUINT128:
             mDefaultArrayValues = readArrayValues(packet, mDefaultArrayLength);
-            if (deviceProp)
+            if (!mDefaultArrayValues) return false;
+            if (deviceProp) {
                 mCurrentArrayValues = readArrayValues(packet, mCurrentArrayLength);
+                if (!mCurrentArrayValues) return false;
+            }
             break;
         default:
-            readValue(packet, mDefaultValue);
-            if (deviceProp)
-                readValue(packet, mCurrentValue);
+            if (!readValue(packet, mDefaultValue)) return false;
+            if (deviceProp) {
+                if (!readValue(packet, mCurrentValue)) return false;
+            }
     }
-    if (!deviceProp)
-        mGroupCode = packet.getUInt32();
-    mFormFlag = packet.getUInt8();
+    if (!deviceProp) {
+        if (!packet.getUInt32(mGroupCode)) return false;
+    }
+    if (!packet.getUInt8(mFormFlag)) return false;
 
     if (mFormFlag == kFormRange) {
-            readValue(packet, mMinimumValue);
-            readValue(packet, mMaximumValue);
-            readValue(packet, mStepSize);
+            if (!readValue(packet, mMinimumValue)) return false;
+            if (!readValue(packet, mMaximumValue)) return false;
+            if (!readValue(packet, mStepSize)) return false;
     } else if (mFormFlag == kFormEnum) {
-        mEnumLength = packet.getUInt16();
+        if (!packet.getUInt16(mEnumLength)) return false;
         mEnumValues = new MtpPropertyValue[mEnumLength];
-        for (int i = 0; i < mEnumLength; i++)
-            readValue(packet, mEnumValues[i]);
+        for (int i = 0; i < mEnumLength; i++) {
+            if (!readValue(packet, mEnumValues[i])) return false;
+        }
     }
+
+    return true;
 }
 
 void MtpProperty::write(MtpDataPacket& packet) {
@@ -409,57 +420,59 @@
     }
 }
 
-void MtpProperty::readValue(MtpDataPacket& packet, MtpPropertyValue& value) {
+bool MtpProperty::readValue(MtpDataPacket& packet, MtpPropertyValue& value) {
     MtpStringBuffer stringBuffer;
 
     switch (mType) {
         case MTP_TYPE_INT8:
         case MTP_TYPE_AINT8:
-            value.u.i8 = packet.getInt8();
+            if (!packet.getInt8(value.u.i8)) return false;
             break;
         case MTP_TYPE_UINT8:
         case MTP_TYPE_AUINT8:
-            value.u.u8 = packet.getUInt8();
+            if (!packet.getUInt8(value.u.u8)) return false;
             break;
         case MTP_TYPE_INT16:
         case MTP_TYPE_AINT16:
-            value.u.i16 = packet.getInt16();
+            if (!packet.getInt16(value.u.i16)) return false;
             break;
         case MTP_TYPE_UINT16:
         case MTP_TYPE_AUINT16:
-            value.u.u16 = packet.getUInt16();
+            if (!packet.getUInt16(value.u.u16)) return false;
             break;
         case MTP_TYPE_INT32:
         case MTP_TYPE_AINT32:
-            value.u.i32 = packet.getInt32();
+            if (!packet.getInt32(value.u.i32)) return false;
             break;
         case MTP_TYPE_UINT32:
         case MTP_TYPE_AUINT32:
-            value.u.u32 = packet.getUInt32();
+            if (!packet.getUInt32(value.u.u32)) return false;
             break;
         case MTP_TYPE_INT64:
         case MTP_TYPE_AINT64:
-            value.u.i64 = packet.getInt64();
+            if (!packet.getInt64(value.u.i64)) return false;
             break;
         case MTP_TYPE_UINT64:
         case MTP_TYPE_AUINT64:
-            value.u.u64 = packet.getUInt64();
+            if (!packet.getUInt64(value.u.u64)) return false;
             break;
         case MTP_TYPE_INT128:
         case MTP_TYPE_AINT128:
-            packet.getInt128(value.u.i128);
+            if (!packet.getInt128(value.u.i128)) return false;
             break;
         case MTP_TYPE_UINT128:
         case MTP_TYPE_AUINT128:
-            packet.getUInt128(value.u.u128);
+            if (!packet.getUInt128(value.u.u128)) return false;
             break;
         case MTP_TYPE_STR:
-            packet.getString(stringBuffer);
+            if (!packet.getString(stringBuffer)) return false;
             value.str = strdup(stringBuffer);
             break;
         default:
             ALOGE("unknown type %04X in MtpProperty::readValue", mType);
+            return false;
     }
+    return true;
 }
 
 void MtpProperty::writeValue(MtpDataPacket& packet, MtpPropertyValue& value) {
@@ -517,8 +530,9 @@
     }
 }
 
-MtpPropertyValue* MtpProperty::readArrayValues(MtpDataPacket& packet, int& length) {
-    length = packet.getUInt32();
+MtpPropertyValue* MtpProperty::readArrayValues(MtpDataPacket& packet, uint32_t& length) {
+    if (!packet.getUInt32(length)) return NULL;
+
     // Fail if resulting array is over 2GB.  This is because the maximum array
     // size may be less than SIZE_MAX on some platforms.
     if ( CC_UNLIKELY(
@@ -528,14 +542,17 @@
         return NULL;
     }
     MtpPropertyValue* result = new MtpPropertyValue[length];
-    for (int i = 0; i < length; i++)
-        readValue(packet, result[i]);
+    for (uint32_t i = 0; i < length; i++)
+        if (!readValue(packet, result[i])) {
+            delete result;
+            return NULL;
+        }
     return result;
 }
 
-void MtpProperty::writeArrayValues(MtpDataPacket& packet, MtpPropertyValue* values, int length) {
+void MtpProperty::writeArrayValues(MtpDataPacket& packet, MtpPropertyValue* values, uint32_t length) {
     packet.putUInt32(length);
-    for (int i = 0; i < length; i++)
+    for (uint32_t i = 0; i < length; i++)
         writeValue(packet, values[i]);
 }
 
diff --git a/media/mtp/MtpProperty.h b/media/mtp/MtpProperty.h
index 06ca56e..2e2ead1 100644
--- a/media/mtp/MtpProperty.h
+++ b/media/mtp/MtpProperty.h
@@ -49,9 +49,9 @@
     MtpPropertyValue    mCurrentValue;
 
     // for array types
-    int                 mDefaultArrayLength;
+    uint32_t            mDefaultArrayLength;
     MtpPropertyValue*   mDefaultArrayValues;
-    int                 mCurrentArrayLength;
+    uint32_t            mCurrentArrayLength;
     MtpPropertyValue*   mCurrentArrayValues;
 
     enum {
@@ -70,7 +70,7 @@
     MtpPropertyValue    mStepSize;
 
     // for enum form
-    int                 mEnumLength;
+    uint16_t            mEnumLength;
     MtpPropertyValue*   mEnumValues;
 
 public:
@@ -83,7 +83,7 @@
 
     inline MtpPropertyCode getPropertyCode() const { return mCode; }
 
-    void                read(MtpDataPacket& packet);
+    bool                read(MtpDataPacket& packet);
     void                write(MtpDataPacket& packet);
 
     void                setDefaultValue(const uint16_t* string);
@@ -102,11 +102,11 @@
                         }
 
 private:
-    void                readValue(MtpDataPacket& packet, MtpPropertyValue& value);
+    bool                readValue(MtpDataPacket& packet, MtpPropertyValue& value);
     void                writeValue(MtpDataPacket& packet, MtpPropertyValue& value);
-    MtpPropertyValue*   readArrayValues(MtpDataPacket& packet, int& length);
+    MtpPropertyValue*   readArrayValues(MtpDataPacket& packet, uint32_t& length);
     void                writeArrayValues(MtpDataPacket& packet,
-                                            MtpPropertyValue* values, int length);
+                                            MtpPropertyValue* values, uint32_t length);
 };
 
 }; // namespace android
diff --git a/media/mtp/MtpRequestPacket.cpp b/media/mtp/MtpRequestPacket.cpp
index 0e58e01..40b11b0 100644
--- a/media/mtp/MtpRequestPacket.cpp
+++ b/media/mtp/MtpRequestPacket.cpp
@@ -27,7 +27,8 @@
 namespace android {
 
 MtpRequestPacket::MtpRequestPacket()
-    :   MtpPacket(512)
+    :   MtpPacket(512),
+        mParameterCount(0)
 {
 }
 
@@ -37,10 +38,21 @@
 #ifdef MTP_DEVICE
 int MtpRequestPacket::read(int fd) {
     int ret = ::read(fd, mBuffer, mBufferSize);
-    if (ret >= 0)
+    if (ret < 0) {
+        // file read error
+        return ret;
+    }
+
+    // request packet should have 12 byte header followed by 0 to 5 32-bit arguments
+    if (ret >= MTP_CONTAINER_HEADER_SIZE
+            && ret <= MTP_CONTAINER_HEADER_SIZE + 5 * sizeof(uint32_t)
+            && ((ret - MTP_CONTAINER_HEADER_SIZE) & 3) == 0) {
         mPacketSize = ret;
-    else
-        mPacketSize = 0;
+        mParameterCount = (ret - MTP_CONTAINER_HEADER_SIZE) / sizeof(uint32_t);
+    } else {
+        ALOGE("Malformed MTP request packet");
+        ret = -1;
+    }
     return ret;
 }
 #endif
diff --git a/media/mtp/MtpRequestPacket.h b/media/mtp/MtpRequestPacket.h
index 1201f11..79b798d 100644
--- a/media/mtp/MtpRequestPacket.h
+++ b/media/mtp/MtpRequestPacket.h
@@ -43,6 +43,10 @@
     inline MtpOperationCode    getOperationCode() const { return getContainerCode(); }
     inline void                setOperationCode(MtpOperationCode code)
                                                     { return setContainerCode(code); }
+    inline int                  getParameterCount() const { return mParameterCount; }
+
+private:
+    int     mParameterCount;
 };
 
 }; // namespace android
diff --git a/media/mtp/MtpServer.cpp b/media/mtp/MtpServer.cpp
index aa43967..e4e16f2 100644
--- a/media/mtp/MtpServer.cpp
+++ b/media/mtp/MtpServer.cpp
@@ -495,6 +495,9 @@
         mResponse.setParameter(1, mSessionID);
         return MTP_RESPONSE_SESSION_ALREADY_OPEN;
     }
+    if (mRequest.getParameterCount() < 1)
+        return MTP_RESPONSE_INVALID_PARAMETER;
+
     mSessionID = mRequest.getParameter(1);
     mSessionOpen = true;
 
@@ -529,6 +532,9 @@
 
     if (!mSessionOpen)
         return MTP_RESPONSE_SESSION_NOT_OPEN;
+    if (mRequest.getParameterCount() < 1)
+        return MTP_RESPONSE_INVALID_PARAMETER;
+
     MtpStorageID id = mRequest.getParameter(1);
     MtpStorage* storage = getStorage(id);
     if (!storage)
@@ -550,6 +556,8 @@
 MtpResponseCode MtpServer::doGetObjectPropsSupported() {
     if (!mSessionOpen)
         return MTP_RESPONSE_SESSION_NOT_OPEN;
+    if (mRequest.getParameterCount() < 1)
+        return MTP_RESPONSE_INVALID_PARAMETER;
     MtpObjectFormat format = mRequest.getParameter(1);
     MtpObjectPropertyList* properties = mDatabase->getSupportedObjectProperties(format);
     mData.putAUInt16(properties);
@@ -560,6 +568,8 @@
 MtpResponseCode MtpServer::doGetObjectHandles() {
     if (!mSessionOpen)
         return MTP_RESPONSE_SESSION_NOT_OPEN;
+    if (mRequest.getParameterCount() < 3)
+        return MTP_RESPONSE_INVALID_PARAMETER;
     MtpStorageID storageID = mRequest.getParameter(1);      // 0xFFFFFFFF for all storage
     MtpObjectFormat format = mRequest.getParameter(2);      // 0 for all formats
     MtpObjectHandle parent = mRequest.getParameter(3);      // 0xFFFFFFFF for objects with no parent
@@ -577,6 +587,8 @@
 MtpResponseCode MtpServer::doGetNumObjects() {
     if (!mSessionOpen)
         return MTP_RESPONSE_SESSION_NOT_OPEN;
+    if (mRequest.getParameterCount() < 3)
+        return MTP_RESPONSE_INVALID_PARAMETER;
     MtpStorageID storageID = mRequest.getParameter(1);      // 0xFFFFFFFF for all storage
     MtpObjectFormat format = mRequest.getParameter(2);      // 0 for all formats
     MtpObjectHandle parent = mRequest.getParameter(3);      // 0xFFFFFFFF for objects with no parent
@@ -599,6 +611,8 @@
         return MTP_RESPONSE_SESSION_NOT_OPEN;
     if (!hasStorage())
         return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
+    if (mRequest.getParameterCount() < 1)
+        return MTP_RESPONSE_INVALID_PARAMETER;
     MtpObjectHandle handle = mRequest.getParameter(1);
 
     // FIXME - check for invalid object handle
@@ -617,9 +631,13 @@
         return MTP_RESPONSE_SESSION_NOT_OPEN;
     if (!hasStorage())
         return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
+    if (mRequest.getParameterCount() < 1)
+        return MTP_RESPONSE_INVALID_PARAMETER;
     MtpStorageID handle = mRequest.getParameter(1);
 
     MtpObjectHandleList* references = mData.getAUInt32();
+    if (!references)
+        return MTP_RESPONSE_INVALID_PARAMETER;
     MtpResponseCode result = mDatabase->setObjectReferences(handle, references);
     delete references;
     return result;
@@ -628,6 +646,8 @@
 MtpResponseCode MtpServer::doGetObjectPropValue() {
     if (!hasStorage())
         return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
+    if (mRequest.getParameterCount() < 2)
+        return MTP_RESPONSE_INVALID_PARAMETER;
     MtpObjectHandle handle = mRequest.getParameter(1);
     MtpObjectProperty property = mRequest.getParameter(2);
     ALOGV("GetObjectPropValue %d %s\n", handle,
@@ -639,6 +659,8 @@
 MtpResponseCode MtpServer::doSetObjectPropValue() {
     if (!hasStorage())
         return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
+    if (mRequest.getParameterCount() < 2)
+        return MTP_RESPONSE_INVALID_PARAMETER;
     MtpObjectHandle handle = mRequest.getParameter(1);
     MtpObjectProperty property = mRequest.getParameter(2);
     ALOGV("SetObjectPropValue %d %s\n", handle,
@@ -648,6 +670,8 @@
 }
 
 MtpResponseCode MtpServer::doGetDevicePropValue() {
+    if (mRequest.getParameterCount() < 1)
+        return MTP_RESPONSE_INVALID_PARAMETER;
     MtpDeviceProperty property = mRequest.getParameter(1);
     ALOGV("GetDevicePropValue %s\n",
             MtpDebug::getDevicePropCodeName(property));
@@ -656,6 +680,8 @@
 }
 
 MtpResponseCode MtpServer::doSetDevicePropValue() {
+    if (mRequest.getParameterCount() < 1)
+        return MTP_RESPONSE_INVALID_PARAMETER;
     MtpDeviceProperty property = mRequest.getParameter(1);
     ALOGV("SetDevicePropValue %s\n",
             MtpDebug::getDevicePropCodeName(property));
@@ -664,6 +690,8 @@
 }
 
 MtpResponseCode MtpServer::doResetDevicePropValue() {
+    if (mRequest.getParameterCount() < 1)
+        return MTP_RESPONSE_INVALID_PARAMETER;
     MtpDeviceProperty property = mRequest.getParameter(1);
     ALOGV("ResetDevicePropValue %s\n",
             MtpDebug::getDevicePropCodeName(property));
@@ -674,6 +702,8 @@
 MtpResponseCode MtpServer::doGetObjectPropList() {
     if (!hasStorage())
         return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
+    if (mRequest.getParameterCount() < 5)
+        return MTP_RESPONSE_INVALID_PARAMETER;
 
     MtpObjectHandle handle = mRequest.getParameter(1);
     // use uint32_t so we can support 0xFFFFFFFF
@@ -691,6 +721,8 @@
 MtpResponseCode MtpServer::doGetObjectInfo() {
     if (!hasStorage())
         return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
+    if (mRequest.getParameterCount() < 1)
+        return MTP_RESPONSE_INVALID_PARAMETER;
     MtpObjectHandle handle = mRequest.getParameter(1);
     MtpObjectInfo info(handle);
     MtpResponseCode result = mDatabase->getObjectInfo(handle, info);
@@ -732,6 +764,8 @@
 MtpResponseCode MtpServer::doGetObject() {
     if (!hasStorage())
         return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
+    if (mRequest.getParameterCount() < 1)
+        return MTP_RESPONSE_INVALID_PARAMETER;
     MtpObjectHandle handle = mRequest.getParameter(1);
     MtpString pathBuf;
     int64_t fileLength;
@@ -765,6 +799,8 @@
 }
 
 MtpResponseCode MtpServer::doGetThumb() {
+    if (mRequest.getParameterCount() < 1)
+        return MTP_RESPONSE_INVALID_PARAMETER;
     MtpObjectHandle handle = mRequest.getParameter(1);
     size_t thumbSize;
     void* thumb = mDatabase->getThumbnail(handle, thumbSize);
@@ -788,11 +824,19 @@
     uint32_t length;
     offset = mRequest.getParameter(2);
     if (operation == MTP_OPERATION_GET_PARTIAL_OBJECT_64) {
+        // MTP_OPERATION_GET_PARTIAL_OBJECT_64 takes 4 arguments
+        if (mRequest.getParameterCount() < 4)
+            return MTP_RESPONSE_INVALID_PARAMETER;
+
         // android extension with 64 bit offset
         uint64_t offset2 = mRequest.getParameter(3);
         offset = offset | (offset2 << 32);
         length = mRequest.getParameter(4);
     } else {
+        // MTP_OPERATION_GET_PARTIAL_OBJECT takes 3 arguments
+        if (mRequest.getParameterCount() < 3)
+            return MTP_RESPONSE_INVALID_PARAMETER;
+
         // standard GetPartialObject
         length = mRequest.getParameter(3);
     }
@@ -832,6 +876,11 @@
 
 MtpResponseCode MtpServer::doSendObjectInfo() {
     MtpString path;
+    uint16_t temp16;
+    uint32_t temp32;
+
+    if (mRequest.getParameterCount() < 2)
+        return MTP_RESPONSE_INVALID_PARAMETER;
     MtpStorageID storageID = mRequest.getParameter(1);
     MtpStorage* storage = getStorage(storageID);
     MtpObjectHandle parent = mRequest.getParameter(2);
@@ -853,25 +902,29 @@
     }
 
     // read only the fields we need
-    mData.getUInt32();  // storage ID
-    MtpObjectFormat format = mData.getUInt16();
-    mData.getUInt16();  // protection status
-    mSendObjectFileSize = mData.getUInt32();
-    mData.getUInt16();  // thumb format
-    mData.getUInt32();  // thumb compressed size
-    mData.getUInt32();  // thumb pix width
-    mData.getUInt32();  // thumb pix height
-    mData.getUInt32();  // image pix width
-    mData.getUInt32();  // image pix height
-    mData.getUInt32();  // image bit depth
-    mData.getUInt32();  // parent
-    uint16_t associationType = mData.getUInt16();
-    uint32_t associationDesc = mData.getUInt32();   // association desc
-    mData.getUInt32();  // sequence number
+    if (!mData.getUInt32(temp32)) return MTP_RESPONSE_INVALID_PARAMETER;  // storage ID
+    if (!mData.getUInt16(temp16)) return MTP_RESPONSE_INVALID_PARAMETER;
+    MtpObjectFormat format = temp16;
+    if (!mData.getUInt16(temp16)) return MTP_RESPONSE_INVALID_PARAMETER;  // protection status
+    if (!mData.getUInt32(temp32)) return MTP_RESPONSE_INVALID_PARAMETER;
+    mSendObjectFileSize = temp32;
+    if (!mData.getUInt16(temp16)) return MTP_RESPONSE_INVALID_PARAMETER;  // thumb format
+    if (!mData.getUInt32(temp32)) return MTP_RESPONSE_INVALID_PARAMETER;  // thumb compressed size
+    if (!mData.getUInt32(temp32)) return MTP_RESPONSE_INVALID_PARAMETER;  // thumb pix width
+    if (!mData.getUInt32(temp32)) return MTP_RESPONSE_INVALID_PARAMETER;  // thumb pix height
+    if (!mData.getUInt32(temp32)) return MTP_RESPONSE_INVALID_PARAMETER;  // image pix width
+    if (!mData.getUInt32(temp32)) return MTP_RESPONSE_INVALID_PARAMETER;  // image pix height
+    if (!mData.getUInt32(temp32)) return MTP_RESPONSE_INVALID_PARAMETER;  // image bit depth
+    if (!mData.getUInt32(temp32)) return MTP_RESPONSE_INVALID_PARAMETER;  // parent
+    if (!mData.getUInt16(temp16)) return MTP_RESPONSE_INVALID_PARAMETER;
+    uint16_t associationType = temp16;
+    if (!mData.getUInt32(temp32)) return MTP_RESPONSE_INVALID_PARAMETER;
+    uint32_t associationDesc = temp32;        // association desc
+    if (!mData.getUInt32(temp32)) return MTP_RESPONSE_INVALID_PARAMETER;  // sequence number
     MtpStringBuffer name, created, modified;
-    mData.getString(name);    // file name
-    mData.getString(created);      // date created
-    mData.getString(modified);     // date modified
+    if (!mData.getString(name)) return MTP_RESPONSE_INVALID_PARAMETER;    // file name
+    if (!mData.getString(created)) return MTP_RESPONSE_INVALID_PARAMETER;      // date created
+    if (!mData.getString(modified)) return MTP_RESPONSE_INVALID_PARAMETER;     // date modified
     // keywords follow
 
     ALOGV("name: %s format: %04X\n", (const char *)name, format);
@@ -1066,6 +1119,8 @@
 MtpResponseCode MtpServer::doDeleteObject() {
     if (!hasStorage())
         return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
+    if (mRequest.getParameterCount() < 2)
+        return MTP_RESPONSE_INVALID_PARAMETER;
     MtpObjectHandle handle = mRequest.getParameter(1);
     MtpObjectFormat format = mRequest.getParameter(2);
     // FIXME - support deleting all objects if handle is 0xFFFFFFFF
@@ -1087,6 +1142,8 @@
 }
 
 MtpResponseCode MtpServer::doGetObjectPropDesc() {
+    if (mRequest.getParameterCount() < 2)
+        return MTP_RESPONSE_INVALID_PARAMETER;
     MtpObjectProperty propCode = mRequest.getParameter(1);
     MtpObjectFormat format = mRequest.getParameter(2);
     ALOGV("GetObjectPropDesc %s %s\n", MtpDebug::getObjectPropCodeName(propCode),
@@ -1100,6 +1157,8 @@
 }
 
 MtpResponseCode MtpServer::doGetDevicePropDesc() {
+    if (mRequest.getParameterCount() < 1)
+        return MTP_RESPONSE_INVALID_PARAMETER;
     MtpDeviceProperty propCode = mRequest.getParameter(1);
     ALOGV("GetDevicePropDesc %s\n", MtpDebug::getDevicePropCodeName(propCode));
     MtpProperty* property = mDatabase->getDevicePropertyDesc(propCode);
@@ -1113,6 +1172,8 @@
 MtpResponseCode MtpServer::doSendPartialObject() {
     if (!hasStorage())
         return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
+    if (mRequest.getParameterCount() < 4)
+        return MTP_RESPONSE_INVALID_PARAMETER;
     MtpObjectHandle handle = mRequest.getParameter(1);
     uint64_t offset = mRequest.getParameter(2);
     uint64_t offset2 = mRequest.getParameter(3);
@@ -1180,6 +1241,8 @@
 }
 
 MtpResponseCode MtpServer::doTruncateObject() {
+    if (mRequest.getParameterCount() < 3)
+        return MTP_RESPONSE_INVALID_PARAMETER;
     MtpObjectHandle handle = mRequest.getParameter(1);
     ObjectEdit* edit = getEditObject(handle);
     if (!edit) {
@@ -1199,6 +1262,8 @@
 }
 
 MtpResponseCode MtpServer::doBeginEditObject() {
+    if (mRequest.getParameterCount() < 1)
+        return MTP_RESPONSE_INVALID_PARAMETER;
     MtpObjectHandle handle = mRequest.getParameter(1);
     if (getEditObject(handle)) {
         ALOGE("object already open for edit in doBeginEditObject");
@@ -1223,6 +1288,8 @@
 }
 
 MtpResponseCode MtpServer::doEndEditObject() {
+    if (mRequest.getParameterCount() < 1)
+        return MTP_RESPONSE_INVALID_PARAMETER;
     MtpObjectHandle handle = mRequest.getParameter(1);
     ObjectEdit* edit = getEditObject(handle);
     if (!edit) {
diff --git a/media/mtp/MtpStorageInfo.cpp b/media/mtp/MtpStorageInfo.cpp
index 2b1a9ae..5d4ebbf 100644
--- a/media/mtp/MtpStorageInfo.cpp
+++ b/media/mtp/MtpStorageInfo.cpp
@@ -45,21 +45,23 @@
         free(mVolumeIdentifier);
 }
 
-void MtpStorageInfo::read(MtpDataPacket& packet) {
+bool MtpStorageInfo::read(MtpDataPacket& packet) {
     MtpStringBuffer string;
 
     // read the device info
-    mStorageType = packet.getUInt16();
-    mFileSystemType = packet.getUInt16();
-    mAccessCapability = packet.getUInt16();
-    mMaxCapacity = packet.getUInt64();
-    mFreeSpaceBytes = packet.getUInt64();
-    mFreeSpaceObjects = packet.getUInt32();
+    if (!packet.getUInt16(mStorageType)) return false;
+    if (!packet.getUInt16(mFileSystemType)) return false;
+    if (!packet.getUInt16(mAccessCapability)) return false;
+    if (!packet.getUInt64(mMaxCapacity)) return false;
+    if (!packet.getUInt64(mFreeSpaceBytes)) return false;
+    if (!packet.getUInt32(mFreeSpaceObjects)) return false;
 
-    packet.getString(string);
+    if (!packet.getString(string)) return false;
     mStorageDescription = strdup((const char *)string);
-    packet.getString(string);
+    if (!packet.getString(string)) return false;
     mVolumeIdentifier = strdup((const char *)string);
+
+    return true;
 }
 
 void MtpStorageInfo::print() {
diff --git a/media/mtp/MtpStorageInfo.h b/media/mtp/MtpStorageInfo.h
index 2cb626e..35a8189 100644
--- a/media/mtp/MtpStorageInfo.h
+++ b/media/mtp/MtpStorageInfo.h
@@ -39,7 +39,7 @@
                         MtpStorageInfo(MtpStorageID id);
     virtual             ~MtpStorageInfo();
 
-    void                read(MtpDataPacket& packet);
+    bool                read(MtpDataPacket& packet);
 
     void                print();
 };
diff --git a/media/mtp/MtpStringBuffer.cpp b/media/mtp/MtpStringBuffer.cpp
index f3420a4..df04694 100644
--- a/media/mtp/MtpStringBuffer.cpp
+++ b/media/mtp/MtpStringBuffer.cpp
@@ -123,11 +123,17 @@
     mByteCount = dest - mBuffer;
 }
 
-void MtpStringBuffer::readFromPacket(MtpDataPacket* packet) {
-    int count = packet->getUInt8();
+bool MtpStringBuffer::readFromPacket(MtpDataPacket* packet) {
+    uint8_t count;
+    if (!packet->getUInt8(count))
+        return false;
+
     uint8_t* dest = mBuffer;
     for (int i = 0; i < count; i++) {
-        uint16_t ch = packet->getUInt16();
+        uint16_t ch;
+
+        if (!packet->getUInt16(ch))
+            return false;
         if (ch >= 0x0800) {
             *dest++ = (uint8_t)(0xE0 | (ch >> 12));
             *dest++ = (uint8_t)(0x80 | ((ch >> 6) & 0x3F));
@@ -142,6 +148,7 @@
     *dest++ = 0;
     mCharCount = count;
     mByteCount = dest - mBuffer;
+    return true;
 }
 
 void MtpStringBuffer::writeToPacket(MtpDataPacket* packet) const {
diff --git a/media/mtp/MtpStringBuffer.h b/media/mtp/MtpStringBuffer.h
index e5150df..85d91e8 100644
--- a/media/mtp/MtpStringBuffer.h
+++ b/media/mtp/MtpStringBuffer.h
@@ -46,7 +46,7 @@
     void            set(const char* src);
     void            set(const uint16_t* src);
 
-    void            readFromPacket(MtpDataPacket* packet);
+    bool            readFromPacket(MtpDataPacket* packet);
     void            writeToPacket(MtpDataPacket* packet) const;
 
     inline int      getCharCount() const { return mCharCount; }
diff --git a/media/ndk/NdkMediaExtractor.cpp b/media/ndk/NdkMediaExtractor.cpp
index 970a43c..db57d0b 100644
--- a/media/ndk/NdkMediaExtractor.cpp
+++ b/media/ndk/NdkMediaExtractor.cpp
@@ -256,18 +256,23 @@
         len -= datalen;
     }
 
-    // there are <numentries> in the buffer, we need
-    // (source buffer size) + 4 + (4 * numentries) bytes for the PsshInfo structure
-    size_t newsize = buffer->size() + 4 + (4 * numentries);
+    // there are <numentries> in the source buffer, we need
+    // (source buffer size) - (sizeof(uint32_t) * numentries) + sizeof(size_t)
+    //  + ((sizeof(void*) + sizeof(size_t)) * numentries) bytes for the PsshInfo structure
+    // Or in other words, the data lengths in the source structure are replaced by size_t
+    // (which may be the same size or larger, for 64 bit), and in addition there is an
+    // extra pointer for each entry, and an extra size_t for the entire PsshInfo.
+    size_t newsize = buffer->size() - (sizeof(uint32_t) * numentries) + sizeof(size_t)
+            + ((sizeof(void*) + sizeof(size_t)) * numentries);
     ex->mPsshBuf = new ABuffer(newsize);
     ex->mPsshBuf->setRange(0, newsize);
 
     // copy data
     const uint8_t* src = buffer->data();
     uint8_t* dst = ex->mPsshBuf->data();
-    uint8_t* dstdata = dst + 4 + numentries * sizeof(PsshEntry);
-    *((uint32_t*)dst) = numentries;
-    dst += 4;
+    uint8_t* dstdata = dst + sizeof(size_t) + numentries * sizeof(PsshEntry);
+    *((size_t*)dst) = numentries;
+    dst += sizeof(size_t);
     for (size_t i = 0; i < numentries; i++) {
         // copy uuid
         memcpy(dst, src, 16);
@@ -276,14 +281,14 @@
 
         // get/copy data length
         uint32_t datalen = *((uint32_t*)src);
-        memcpy(dst, src, 4);
-        src += 4;
-        dst += 4;
+        *((size_t*)dst) = datalen;
+        src += sizeof(uint32_t);
+        dst += sizeof(size_t);
 
         // the next entry in the destination is a pointer to the actual data, which we store
         // after the array of PsshEntry
-        memcpy(dst, &dstdata, sizeof(dstdata));
-        dst += 4;
+        *((void**)dst) = dstdata;
+        dst += sizeof(void*);
 
         // copy the actual data
         memcpy(dstdata, src, datalen);
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index c571cf5..993db73 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -650,6 +650,7 @@
             }
         }
 
+        setAudioHwSyncForSession_l(thread, (audio_session_t)lSessionId);
     }
 
     if (lStatus != NO_ERROR) {
@@ -890,6 +891,21 @@
     return mMasterMute;
 }
 
+status_t AudioFlinger::checkStreamType(audio_stream_type_t stream) const
+{
+    if (uint32_t(stream) >= AUDIO_STREAM_CNT) {
+        ALOGW("setStreamVolume() invalid stream %d", stream);
+        return BAD_VALUE;
+    }
+    pid_t caller = IPCThreadState::self()->getCallingPid();
+    if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT && caller != getpid_cached) {
+        ALOGW("setStreamVolume() pid %d cannot use internal stream type %d", caller, stream);
+        return PERMISSION_DENIED;
+    }
+
+    return NO_ERROR;
+}
+
 status_t AudioFlinger::setStreamVolume(audio_stream_type_t stream, float value,
         audio_io_handle_t output)
 {
@@ -898,10 +914,11 @@
         return PERMISSION_DENIED;
     }
 
-    if (uint32_t(stream) >= AUDIO_STREAM_CNT) {
-        ALOGE("setStreamVolume() invalid stream %d", stream);
-        return BAD_VALUE;
+    status_t status = checkStreamType(stream);
+    if (status != NO_ERROR) {
+        return status;
     }
+    ALOG_ASSERT(stream != AUDIO_STREAM_PATCH, "attempt to change AUDIO_STREAM_PATCH volume");
 
     AutoMutex lock(mLock);
     PlaybackThread *thread = NULL;
@@ -932,8 +949,13 @@
         return PERMISSION_DENIED;
     }
 
-    if (uint32_t(stream) >= AUDIO_STREAM_CNT ||
-        uint32_t(stream) == AUDIO_STREAM_ENFORCED_AUDIBLE) {
+    status_t status = checkStreamType(stream);
+    if (status != NO_ERROR) {
+        return status;
+    }
+    ALOG_ASSERT(stream != AUDIO_STREAM_PATCH, "attempt to mute AUDIO_STREAM_PATCH");
+
+    if (uint32_t(stream) == AUDIO_STREAM_ENFORCED_AUDIBLE) {
         ALOGE("setStreamMute() invalid stream %d", stream);
         return BAD_VALUE;
     }
@@ -948,7 +970,8 @@
 
 float AudioFlinger::streamVolume(audio_stream_type_t stream, audio_io_handle_t output) const
 {
-    if (uint32_t(stream) >= AUDIO_STREAM_CNT) {
+    status_t status = checkStreamType(stream);
+    if (status != NO_ERROR) {
         return 0.0f;
     }
 
@@ -969,7 +992,8 @@
 
 bool AudioFlinger::streamMute(audio_stream_type_t stream) const
 {
-    if (uint32_t(stream) >= AUDIO_STREAM_CNT) {
+    status_t status = checkStreamType(stream);
+    if (status != NO_ERROR) {
         return true;
     }
 
@@ -1409,13 +1433,6 @@
             goto Exit;
         }
 
-        if (deviceRequiresCaptureAudioOutputPermission(thread->inDevice())
-                && !captureAudioOutputAllowed()) {
-            ALOGE("openRecord() permission denied: capture not allowed");
-            lStatus = PERMISSION_DENIED;
-            goto Exit;
-        }
-
         pid_t pid = IPCThreadState::self()->getCallingPid();
         client = registerPid(pid);
 
@@ -1604,22 +1621,69 @@
 audio_hw_sync_t AudioFlinger::getAudioHwSyncForSession(audio_session_t sessionId)
 {
     Mutex::Autolock _l(mLock);
-    for (size_t i = 0; i < mPlaybackThreads.size(); i++) {
-        sp<PlaybackThread> thread = mPlaybackThreads.valueAt(i);
-        if ((thread->hasAudioSession(sessionId) & ThreadBase::TRACK_SESSION) != 0) {
-            // A session can only be on one thread, so exit after first match
-            String8 reply = thread->getParameters(String8(AUDIO_PARAMETER_STREAM_HW_AV_SYNC));
-            AudioParameter param = AudioParameter(reply);
-            int value;
-            if (param.getInt(String8(AUDIO_PARAMETER_STREAM_HW_AV_SYNC), value) == NO_ERROR) {
-                return value;
-            }
+
+    ssize_t index = mHwAvSyncIds.indexOfKey(sessionId);
+    if (index >= 0) {
+        ALOGV("getAudioHwSyncForSession found ID %d for session %d",
+              mHwAvSyncIds.valueAt(index), sessionId);
+        return mHwAvSyncIds.valueAt(index);
+    }
+
+    audio_hw_device_t *dev = mPrimaryHardwareDev->hwDevice();
+    if (dev == NULL) {
+        return AUDIO_HW_SYNC_INVALID;
+    }
+    char *reply = dev->get_parameters(dev, AUDIO_PARAMETER_HW_AV_SYNC);
+    AudioParameter param = AudioParameter(String8(reply));
+    free(reply);
+
+    int value;
+    if (param.getInt(String8(AUDIO_PARAMETER_HW_AV_SYNC), value) != NO_ERROR) {
+        ALOGW("getAudioHwSyncForSession error getting sync for session %d", sessionId);
+        return AUDIO_HW_SYNC_INVALID;
+    }
+
+    // allow only one session for a given HW A/V sync ID.
+    for (size_t i = 0; i < mHwAvSyncIds.size(); i++) {
+        if (mHwAvSyncIds.valueAt(i) == (audio_hw_sync_t)value) {
+            ALOGV("getAudioHwSyncForSession removing ID %d for session %d",
+                  value, mHwAvSyncIds.keyAt(i));
+            mHwAvSyncIds.removeItemsAt(i);
             break;
         }
     }
-    return AUDIO_HW_SYNC_INVALID;
+
+    mHwAvSyncIds.add(sessionId, value);
+
+    for (size_t i = 0; i < mPlaybackThreads.size(); i++) {
+        sp<PlaybackThread> thread = mPlaybackThreads.valueAt(i);
+        uint32_t sessions = thread->hasAudioSession(sessionId);
+        if (sessions & PlaybackThread::TRACK_SESSION) {
+            AudioParameter param = AudioParameter();
+            param.addInt(String8(AUDIO_PARAMETER_STREAM_HW_AV_SYNC), value);
+            thread->setParameters(param.toString());
+            break;
+        }
+    }
+
+    ALOGV("getAudioHwSyncForSession adding ID %d for session %d", value, sessionId);
+    return (audio_hw_sync_t)value;
 }
 
+// setAudioHwSyncForSession_l() must be called with AudioFlinger::mLock held
+void AudioFlinger::setAudioHwSyncForSession_l(PlaybackThread *thread, audio_session_t sessionId)
+{
+    ssize_t index = mHwAvSyncIds.indexOfKey(sessionId);
+    if (index >= 0) {
+        audio_hw_sync_t syncId = mHwAvSyncIds.valueAt(index);
+        ALOGV("setAudioHwSyncForSession_l found ID %d for session %d", syncId, sessionId);
+        AudioParameter param = AudioParameter();
+        param.addInt(String8(AUDIO_PARAMETER_STREAM_HW_AV_SYNC), syncId);
+        thread->setParameters(param.toString());
+    }
+}
+
+
 // ----------------------------------------------------------------------------
 
 
@@ -1928,13 +1992,13 @@
     status_t status = inHwHal->open_input_stream(inHwHal, *input, device, &halconfig,
                                         &inStream, flags, address.string(), source);
     ALOGV("openInput_l() openInputStream returned input %p, SamplingRate %d"
-           ", Format %#x, Channels %x, flags %#x, status %d",
+           ", Format %#x, Channels %x, flags %#x, status %d addr %s",
             inStream,
             halconfig.sample_rate,
             halconfig.format,
             halconfig.channel_mask,
             flags,
-            status);
+            status, address.string());
 
     // 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
@@ -2585,7 +2649,8 @@
     // Check whether the destination thread has a channel count of FCC_2, which is
     // currently required for (most) effects. Prevent moving the effect chain here rather
     // than disabling the addEffect_l() call in dstThread below.
-    if (dstThread->mChannelCount != FCC_2) {
+    if ((dstThread->type() == ThreadBase::MIXER || dstThread->type() == ThreadBase::DUPLICATING) &&
+            dstThread->mChannelCount != FCC_2) {
         ALOGW("moveEffectChain_l() effect chain failed because"
                 " destination thread %p channel count(%u) != %u",
                 dstThread, dstThread->mChannelCount, FCC_2);
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index 1003017..aa0af1f 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -733,6 +733,8 @@
                 // Effect chains without a valid thread
                 DefaultKeyedVector< audio_session_t , sp<EffectChain> > mOrphanEffectChains;
 
+                // list of sessions for which a valid HW A/V sync ID was retrieved from the HAL
+                DefaultKeyedVector< audio_session_t , audio_hw_sync_t >mHwAvSyncIds;
 private:
     sp<Client>  registerPid(pid_t pid);    // always returns non-0
 
@@ -741,6 +743,9 @@
     void        closeOutputInternal_l(sp<PlaybackThread> thread);
     status_t    closeInput_nonvirtual(audio_io_handle_t input);
     void        closeInputInternal_l(sp<RecordThread> thread);
+    void        setAudioHwSyncForSession_l(PlaybackThread *thread, audio_session_t sessionId);
+
+    status_t    checkStreamType(audio_stream_type_t stream) const;
 
 #ifdef TEE_SINK
     // all record threads serially share a common tee sink, which is re-created on format change
diff --git a/services/audioflinger/ServiceUtilities.cpp b/services/audioflinger/ServiceUtilities.cpp
index 8246fef..fae19a1 100644
--- a/services/audioflinger/ServiceUtilities.cpp
+++ b/services/audioflinger/ServiceUtilities.cpp
@@ -50,6 +50,13 @@
     return ok;
 }
 
+bool captureFmTunerAllowed() {
+    static const String16 sCaptureFmTunerAllowed("android.permission.ACCESS_FM_RADIO");
+    bool ok = checkCallingPermission(sCaptureFmTunerAllowed);
+    if (!ok) ALOGE("android.permission.ACCESS_FM_RADIO");
+    return ok;
+}
+
 bool settingsAllowed() {
     if (getpid_cached == IPCThreadState::self()->getCallingPid()) return true;
     static const String16 sAudioSettings("android.permission.MODIFY_AUDIO_SETTINGS");
diff --git a/services/audioflinger/ServiceUtilities.h b/services/audioflinger/ServiceUtilities.h
index df6f6f4..ce18a90 100644
--- a/services/audioflinger/ServiceUtilities.h
+++ b/services/audioflinger/ServiceUtilities.h
@@ -23,6 +23,7 @@
 bool recordingAllowed();
 bool captureAudioOutputAllowed();
 bool captureHotwordAllowed();
+bool captureFmTunerAllowed();
 bool settingsAllowed();
 bool modifyAudioRoutingAllowed();
 bool dumpAllowed();
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index ed8293d..d5bb0af 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -1197,6 +1197,7 @@
         mScreenState(AudioFlinger::mScreenState),
         // index 0 is reserved for normal mixer's submix
         mFastTrackAvailMask(((1 << FastMixerState::kMaxFastTracks) - 1) & ~1),
+        mHwSupportsPause(false), mHwPaused(false), mFlushPending(false),
         // mLatchD, mLatchQ,
         mLatchDValid(false), mLatchQValid(false)
 {
@@ -1224,15 +1225,12 @@
 
     readOutputParameters_l();
 
-    // mStreamTypes[AUDIO_STREAM_CNT] is initialized by stream_type_t default constructor
-    // There is no AUDIO_STREAM_MIN, and ++ operator does not compile
+    // ++ operator does not compile
     for (audio_stream_type_t stream = AUDIO_STREAM_MIN; stream < AUDIO_STREAM_CNT;
             stream = (audio_stream_type_t) (stream + 1)) {
         mStreamTypes[stream].volume = mAudioFlinger->streamVolume_l(stream);
         mStreamTypes[stream].mute = mAudioFlinger->streamMute_l(stream);
     }
-    // mStreamTypes[AUDIO_STREAM_CNT] exists but isn't explicitly initialized here,
-    // because mAudioFlinger doesn't have one to copy from
 }
 
 AudioFlinger::PlaybackThread::~PlaybackThread()
@@ -1625,13 +1623,15 @@
         if (track->isExternalTrack()) {
             TrackBase::track_state state = track->mState;
             mLock.unlock();
-            status = AudioSystem::startOutput(mId, track->streamType(), track->sessionId());
+            status = AudioSystem::startOutput(mId, track->streamType(),
+                                              (audio_session_t)track->sessionId());
             mLock.lock();
             // abort track was stopped/paused while we released the lock
             if (state != track->mState) {
                 if (status == NO_ERROR) {
                     mLock.unlock();
-                    AudioSystem::stopOutput(mId, track->streamType(), track->sessionId());
+                    AudioSystem::stopOutput(mId, track->streamType(),
+                                            (audio_session_t)track->sessionId());
                     mLock.lock();
                 }
                 return INVALID_OPERATION;
@@ -1848,6 +1848,19 @@
         }
     }
 
+    mHwSupportsPause = false;
+    if (mOutput->flags & AUDIO_OUTPUT_FLAG_DIRECT) {
+        if (mOutput->stream->pause != NULL) {
+            if (mOutput->stream->resume != NULL) {
+                mHwSupportsPause = true;
+            } else {
+                ALOGW("direct output implements pause but not resume");
+            }
+        } else if (mOutput->stream->resume != NULL) {
+            ALOGW("direct output implements resume but not pause");
+        }
+    }
+
     // Calculate size of normal sink buffer relative to the HAL output buffer size
     double multiplier = 1.0;
     if (mType == MIXER && (kUseFastMixer == FastMixer_Static ||
@@ -2060,13 +2073,15 @@
         for (size_t i = 0 ; i < count ; i++) {
             const sp<Track>& track = tracksToRemove.itemAt(i);
             if (track->isExternalTrack()) {
-                AudioSystem::stopOutput(mId, track->streamType(), track->sessionId());
+                AudioSystem::stopOutput(mId, track->streamType(),
+                                        (audio_session_t)track->sessionId());
 #ifdef ADD_BATTERY_DATA
                 // to track the speaker usage
                 addBatteryData(IMediaPlayerService::kBatteryDataAudioFlingerStop);
 #endif
                 if (track->isTerminated()) {
-                    AudioSystem::releaseOutput(mId);
+                    AudioSystem::releaseOutput(mId, track->streamType(),
+                                               (audio_session_t)track->sessionId());
                 }
             }
         }
@@ -2179,7 +2194,13 @@
 
 void AudioFlinger::PlaybackThread::threadLoop_exit()
 {
-    // Default implementation has nothing to do
+    {
+        Mutex::Autolock _l(mLock);
+        for (size_t i = 0; i < mTracks.size(); i++) {
+            sp<Track> track = mTracks[i];
+            track->invalidate();
+        }
+    }
 }
 
 /*
@@ -2687,7 +2708,8 @@
     if (mNormalSink != 0) {
         return mNormalSink->getTimestamp(timestamp);
     }
-    if ((mType == OFFLOAD || mType == DIRECT) && mOutput->stream->get_presentation_position) {
+    if ((mType == OFFLOAD || mType == DIRECT)
+            && mOutput != NULL && mOutput->stream->get_presentation_position) {
         uint64_t position64;
         int ret = mOutput->stream->get_presentation_position(
                                                 mOutput->stream, &position64, &timestamp.mTime);
@@ -3070,6 +3092,7 @@
         mCallbackThread->setWriteBlocked(mWriteAckSequence);
         mCallbackThread->setDraining(mDrainSequence);
     }
+    mHwPaused = false;
 }
 
 void AudioFlinger::PlaybackThread::onAddNewTrack_l()
@@ -3982,6 +4005,9 @@
 {
     size_t count = mActiveTracks.size();
     mixer_state mixerStatus = MIXER_IDLE;
+    bool doHwPause = false;
+    bool doHwResume = false;
+    bool flushPending = false;
 
     // find out which tracks need to be processed
     for (size_t i = 0; i < count; i++) {
@@ -4000,10 +4026,37 @@
         sp<Track> l = mLatestActiveTrack.promote();
         bool last = l.get() == track;
 
+        if (mHwSupportsPause && track->isPausing()) {
+            track->setPaused();
+            if (last && !mHwPaused) {
+                doHwPause = true;
+                mHwPaused = true;
+            }
+            tracksToRemove->add(track);
+        } else if (track->isFlushPending()) {
+            track->flushAck();
+            if (last) {
+                flushPending = true;
+            }
+        } else if (mHwSupportsPause && track->isResumePending()){
+            track->resumeAck();
+            if (last) {
+                if (mHwPaused) {
+                    doHwResume = true;
+                    mHwPaused = false;
+                }
+            }
+        }
+
         // The first time a track is added we wait
-        // for all its buffers to be filled before processing it
+        // for all its buffers to be filled before processing it.
+        // Allow draining the buffer in case the client
+        // app does not call stop() and relies on underrun to stop:
+        // hence the test on (track->mRetryCount > 1).
+        // If retryCount<=1 then track is about to underrun and be removed.
         uint32_t minFrames;
-        if ((track->sharedBuffer() == 0) && !track->isStopping_1() && !track->isPausing()) {
+        if ((track->sharedBuffer() == 0) && !track->isStopping_1() && !track->isPausing()
+            && (track->mRetryCount > 1)) {
             minFrames = mNormalFrameCount;
         } else {
             minFrames = 1;
@@ -4018,8 +4071,8 @@
                 track->mFillingUpStatus = Track::FS_ACTIVE;
                 // make sure processVolume_l() will apply new volume even if 0
                 mLeftVolFloat = mRightVolFloat = -1.0;
-                if (track->mState == TrackBase::RESUMING) {
-                    track->mState = TrackBase::ACTIVE;
+                if (!mHwSupportsPause) {
+                    track->resumeAck();
                 }
             }
 
@@ -4082,6 +4135,30 @@
         }
     }
 
+    // if an active track did not command a flush, check for pending flush on stopped tracks
+    if (!flushPending) {
+        for (size_t i = 0; i < mTracks.size(); i++) {
+            if (mTracks[i]->isFlushPending()) {
+                mTracks[i]->flushAck();
+                flushPending = true;
+            }
+        }
+    }
+
+    // make sure the pause/flush/resume sequence is executed in the right order.
+    // If a flush is pending and a track is active but the HW is not paused, force a HW pause
+    // before flush and then resume HW. This can happen in case of pause/flush/resume
+    // if resume is received before pause is executed.
+    if (mHwSupportsPause && !mStandby &&
+            (doHwPause || (flushPending && !mHwPaused && (count != 0)))) {
+        mOutput->stream->pause(mOutput->stream);
+    }
+    if (flushPending) {
+        flushHw_l();
+    }
+    if (mHwSupportsPause && !mStandby && doHwResume) {
+        mOutput->stream->resume(mOutput->stream);
+    }
     // remove all the tracks that need to be...
     removeTracks_l(*tracksToRemove);
 
@@ -4114,6 +4191,11 @@
 
 void AudioFlinger::DirectOutputThread::threadLoop_sleepTime()
 {
+    // do not write to HAL when paused
+    if (mHwPaused) {
+        sleepTime = idleSleepTime;
+        return;
+    }
     if (sleepTime == 0) {
         if (mMixerStatus == MIXER_TRACKS_ENABLED) {
             sleepTime = activeSleepTime;
@@ -4126,6 +4208,38 @@
     }
 }
 
+void AudioFlinger::DirectOutputThread::threadLoop_exit()
+{
+    {
+        Mutex::Autolock _l(mLock);
+        bool flushPending = false;
+        for (size_t i = 0; i < mTracks.size(); i++) {
+            if (mTracks[i]->isFlushPending()) {
+                mTracks[i]->flushAck();
+                flushPending = true;
+            }
+        }
+        if (flushPending) {
+            flushHw_l();
+        }
+    }
+    PlaybackThread::threadLoop_exit();
+}
+
+// must be called with thread mutex locked
+bool AudioFlinger::DirectOutputThread::shouldStandby_l()
+{
+    bool trackPaused = false;
+
+    // do not put the HAL in standby when paused. AwesomePlayer clear the offloaded AudioTrack
+    // after a timeout and we will enter standby then.
+    if (mTracks.size() > 0) {
+        trackPaused = mTracks[mTracks.size() - 1]->isPaused();
+    }
+
+    return !mStandby && !trackPaused;
+}
+
 // getTrackName_l() must be called with ThreadBase::mLock held
 int AudioFlinger::DirectOutputThread::getTrackName_l(audio_channel_mask_t channelMask __unused,
         audio_format_t format __unused, int sessionId __unused)
@@ -4235,8 +4349,10 @@
 
 void AudioFlinger::DirectOutputThread::flushHw_l()
 {
-    if (mOutput->stream->flush != NULL)
+    if (mOutput->stream->flush != NULL) {
         mOutput->stream->flush(mOutput->stream);
+    }
+    mHwPaused = false;
 }
 
 // ----------------------------------------------------------------------------
@@ -4345,8 +4461,6 @@
 AudioFlinger::OffloadThread::OffloadThread(const sp<AudioFlinger>& audioFlinger,
         AudioStreamOut* output, audio_io_handle_t id, uint32_t device)
     :   DirectOutputThread(audioFlinger, output, id, device, OFFLOAD),
-        mHwPaused(false),
-        mFlushPending(false),
         mPausedBytesRemaining(0)
 {
     //FIXME: mStandby should be set to true by ThreadBase constructor
@@ -4583,21 +4697,6 @@
     return false;
 }
 
-// must be called with thread mutex locked
-bool AudioFlinger::OffloadThread::shouldStandby_l()
-{
-    bool trackPaused = false;
-
-    // do not put the HAL in standby when paused. AwesomePlayer clear the offloaded AudioTrack
-    // after a timeout and we will enter standby then.
-    if (mTracks.size() > 0) {
-        trackPaused = mTracks[mTracks.size() - 1]->isPaused();
-    }
-
-    return !mStandby && !trackPaused;
-}
-
-
 bool AudioFlinger::OffloadThread::waitingAsyncCallback()
 {
     Mutex::Autolock _l(mLock);
@@ -4612,7 +4711,6 @@
     mBytesRemaining = 0;
     mPausedWriteLength = 0;
     mPausedBytesRemaining = 0;
-    mHwPaused = false;
 
     if (mUseAsyncWrite) {
         // discard any pending drain or write ack by incrementing sequence
@@ -4660,7 +4758,11 @@
     if (outputsReady(outputTracks)) {
         mAudioMixer->process(AudioBufferProvider::kInvalidPTS);
     } else {
-        memset(mSinkBuffer, 0, mSinkBufferSize);
+        if (mMixerBufferValid) {
+            memset(mMixerBuffer, 0, mMixerBufferSize);
+        } else {
+            memset(mSinkBuffer, 0, mSinkBufferSize);
+        }
     }
     sleepTime = 0;
     writeFrames = mNormalFrameCount;
@@ -4690,15 +4792,15 @@
 
 ssize_t AudioFlinger::DuplicatingThread::threadLoop_write()
 {
+    // We convert the duplicating thread format to AUDIO_FORMAT_PCM_16_BIT
+    // for delivery downstream as needed. This in-place conversion is safe as
+    // AUDIO_FORMAT_PCM_16_BIT is smaller than any other supported format
+    // (AUDIO_FORMAT_PCM_8_BIT is not allowed here).
+    if (mFormat != AUDIO_FORMAT_PCM_16_BIT) {
+        memcpy_by_audio_format(mSinkBuffer, AUDIO_FORMAT_PCM_16_BIT,
+                               mSinkBuffer, mFormat, writeFrames * mChannelCount);
+    }
     for (size_t i = 0; i < outputTracks.size(); i++) {
-        // We convert the duplicating thread format to AUDIO_FORMAT_PCM_16_BIT
-        // for delivery downstream as needed. This in-place conversion is safe as
-        // AUDIO_FORMAT_PCM_16_BIT is smaller than any other supported format
-        // (AUDIO_FORMAT_PCM_8_BIT is not allowed here).
-        if (mFormat != AUDIO_FORMAT_PCM_16_BIT) {
-            memcpy_by_audio_format(mSinkBuffer, AUDIO_FORMAT_PCM_16_BIT,
-                    mSinkBuffer, mFormat, writeFrames * mChannelCount);
-        }
         outputTracks[i]->write(reinterpret_cast<int16_t*>(mSinkBuffer), writeFrames);
     }
     mStandby = false;
@@ -4742,7 +4844,7 @@
                                             frameCount,
                                             IPCThreadState::self()->getCallingUid());
     if (outputTrack->cblk() != NULL) {
-        thread->setStreamVolume(AUDIO_STREAM_CNT, 1.0f);
+        thread->setStreamVolume(AUDIO_STREAM_PATCH, 1.0f);
         mOutputTracks.add(outputTrack);
         ALOGV("addOutputTrack() track %p, on thread %p", outputTrack, thread);
         updateWaitTime_l();
diff --git a/services/audioflinger/Threads.h b/services/audioflinger/Threads.h
index bb9aa18..f5d0e27 100644
--- a/services/audioflinger/Threads.h
+++ b/services/audioflinger/Threads.h
@@ -727,9 +727,7 @@
     void        dumpTracks(int fd, const Vector<String16>& args);
 
     SortedVector< sp<Track> >       mTracks;
-    // mStreamTypes[] uses 1 additional stream type internally for the OutputTrack used by
-    // DuplicatingThread
-    stream_type_t                   mStreamTypes[AUDIO_STREAM_CNT + 1];
+    stream_type_t                   mStreamTypes[AUDIO_STREAM_CNT];
     AudioStreamOut                  *mOutput;
 
     float                           mMasterVolume;
@@ -811,7 +809,9 @@
 protected:
                 // accessed by both binder threads and within threadLoop(), lock on mutex needed
                 unsigned    mFastTrackAvailMask;    // bit i set if fast track [i] is available
-
+                bool        mHwSupportsPause;
+                bool        mHwPaused;
+                bool        mFlushPending;
 private:
     // timestamp latch:
     //  D input is written by threadLoop_write while mutex is unlocked, and read while locked
@@ -912,6 +912,8 @@
     virtual     mixer_state prepareTracks_l(Vector< sp<Track> > *tracksToRemove);
     virtual     void        threadLoop_mix();
     virtual     void        threadLoop_sleepTime();
+    virtual     void        threadLoop_exit();
+    virtual     bool        shouldStandby_l();
 
     // volumes last sent to audio HAL with stream->set_volume()
     float mLeftVolFloat;
@@ -942,12 +944,9 @@
 
     virtual     bool        waitingAsyncCallback();
     virtual     bool        waitingAsyncCallback_l();
-    virtual     bool        shouldStandby_l();
     virtual     void        onAddNewTrack_l();
 
 private:
-    bool        mHwPaused;
-    bool        mFlushPending;
     size_t      mPausedWriteLength;     // length in bytes of write interrupted by pause
     size_t      mPausedBytesRemaining;  // bytes still waiting in mixbuffer after resume
     wp<Track>   mPreviousTrack;         // used to detect track switch
diff --git a/services/audioflinger/Tracks.cpp b/services/audioflinger/Tracks.cpp
index b9308fa..e970036 100644
--- a/services/audioflinger/Tracks.cpp
+++ b/services/audioflinger/Tracks.cpp
@@ -491,7 +491,7 @@
             wasActive = playbackThread->destroyTrack_l(this);
         }
         if (isExternalTrack() && !wasActive) {
-            AudioSystem::releaseOutput(mThreadIoHandle);
+            AudioSystem::releaseOutput(mThreadIoHandle, mStreamType, (audio_session_t)mSessionId);
         }
     }
 }
@@ -611,15 +611,16 @@
 
 // ExtendedAudioBufferProvider interface
 
-// Note that framesReady() takes a mutex on the control block using tryLock().
-// This could result in priority inversion if framesReady() is called by the normal mixer,
-// as the normal mixer thread runs at lower
-// priority than the client's callback thread:  there is a short window within framesReady()
-// during which the normal mixer could be preempted, and the client callback would block.
-// Another problem can occur if framesReady() is called by the fast mixer:
-// the tryLock() could block for up to 1 ms, and a sequence of these could delay fast mixer.
-// FIXME Replace AudioTrackShared control block implementation by a non-blocking FIFO queue.
+// framesReady() may return an approximation of the number of frames if called
+// from a different thread than the one calling Proxy->obtainBuffer() and
+// Proxy->releaseBuffer(). Also note there is no mutual exclusion in the
+// AudioTrackServerProxy so be especially careful calling with FastTracks.
 size_t AudioFlinger::PlaybackThread::Track::framesReady() const {
+    if (mSharedBuffer != 0 && (isStopped() || isStopping())) {
+        // Static tracks return zero frames immediately upon stopping (for FastTracks).
+        // The remainder of the buffer is not drained.
+        return 0;
+    }
     return mAudioTrackServerProxy->framesReady();
 }
 
@@ -822,12 +823,11 @@
             // this will be done by prepareTracks_l() when the track is stopped.
             // prepareTracks_l() will see mState == FLUSHED, then
             // remove from active track list, reset(), and trigger presentation complete
+            if (isDirect()) {
+                mFlushHwPending = true;
+            }
             if (playbackThread->mActiveTracks.indexOf(this) < 0) {
                 reset();
-                if (thread->type() == ThreadBase::DIRECT) {
-                    DirectOutputThread *t = (DirectOutputThread *)playbackThread;
-                    t->flushHw_l();
-                }
             }
         }
         // Prevent flush being lost if the track is flushed and then resumed
@@ -840,7 +840,7 @@
 // must be called with thread lock held
 void AudioFlinger::PlaybackThread::Track::flushAck()
 {
-    if (!isOffloaded())
+    if (!isOffloaded() && !isDirect())
         return;
 
     mFlushHwPending = false;
@@ -1656,8 +1656,9 @@
             audio_channel_mask_t channelMask,
             size_t frameCount,
             int uid)
-    :   Track(playbackThread, NULL, AUDIO_STREAM_CNT, sampleRate, format, channelMask, frameCount,
-                NULL, 0, 0, uid, IAudioFlinger::TRACK_DEFAULT, TYPE_OUTPUT),
+    :   Track(playbackThread, NULL, AUDIO_STREAM_PATCH,
+              sampleRate, format, channelMask, frameCount,
+              NULL, 0, 0, uid, IAudioFlinger::TRACK_DEFAULT, TYPE_OUTPUT),
     mActive(false), mSourceThread(sourceThread), mClientProxy(NULL)
 {
 
@@ -1872,7 +1873,8 @@
                                                      size_t frameCount,
                                                      void *buffer,
                                                      IAudioFlinger::track_flags_t flags)
-    :   Track(playbackThread, NULL, AUDIO_STREAM_CNT, sampleRate, format, channelMask, frameCount,
+    :   Track(playbackThread, NULL, AUDIO_STREAM_PATCH,
+              sampleRate, format, channelMask, frameCount,
               buffer, 0, 0, getuid(), flags, TYPE_PATCH),
               mProxy(new ClientProxy(mCblk, mBuffer, frameCount, mFrameSize, true, true))
 {
diff --git a/services/audiopolicy/AudioPolicyClientImplLegacy.cpp b/services/audiopolicy/AudioPolicyClientImplLegacy.cpp
index 97719da..a79f8ae 100644
--- a/services/audiopolicy/AudioPolicyClientImplLegacy.cpp
+++ b/services/audiopolicy/AudioPolicyClientImplLegacy.cpp
@@ -188,6 +188,13 @@
     if (pSamplingRate == NULL || pFormat == NULL || pChannelMask == NULL || pDevices == NULL) {
         return AUDIO_IO_HANDLE_NONE;
     }
+
+    if (((*pDevices & AUDIO_DEVICE_IN_REMOTE_SUBMIX) == AUDIO_DEVICE_IN_REMOTE_SUBMIX)
+            && !captureAudioOutputAllowed()) {
+        ALOGE("open_input() permission denied: capture not allowed");
+        return AUDIO_IO_HANDLE_NONE;
+    }
+
     audio_config_t config = AUDIO_CONFIG_INITIALIZER;;
     config.sample_rate = *pSamplingRate;
     config.format = *pFormat;
diff --git a/services/audiopolicy/AudioPolicyEffects.cpp b/services/audiopolicy/AudioPolicyEffects.cpp
index 3c1c042..4fbe042 100644
--- a/services/audiopolicy/AudioPolicyEffects.cpp
+++ b/services/audiopolicy/AudioPolicyEffects.cpp
@@ -105,26 +105,28 @@
     inputDesc->mRefCount++;
 
     ALOGV("addInputEffects(): input: %d, refCount: %d", input, inputDesc->mRefCount);
-
-    Vector <EffectDesc *> effects = mInputSources.valueAt(index)->mEffects;
-    for (size_t i = 0; i < effects.size(); i++) {
-        EffectDesc *effect = effects[i];
-        sp<AudioEffect> fx = new AudioEffect(NULL, &effect->mUuid, -1, 0, 0, audioSession, input);
-        status_t status = fx->initCheck();
-        if (status != NO_ERROR && status != ALREADY_EXISTS) {
-            ALOGW("addInputEffects(): failed to create Fx %s on source %d",
+    if (inputDesc->mRefCount == 1) {
+        Vector <EffectDesc *> effects = mInputSources.valueAt(index)->mEffects;
+        for (size_t i = 0; i < effects.size(); i++) {
+            EffectDesc *effect = effects[i];
+            sp<AudioEffect> fx = new AudioEffect(NULL, &effect->mUuid, -1, 0, 0,
+                                                 audioSession, input);
+            status_t status = fx->initCheck();
+            if (status != NO_ERROR && status != ALREADY_EXISTS) {
+                ALOGW("addInputEffects(): failed to create Fx %s on source %d",
+                      effect->mName, (int32_t)aliasSource);
+                // fx goes out of scope and strong ref on AudioEffect is released
+                continue;
+            }
+            for (size_t j = 0; j < effect->mParams.size(); j++) {
+                fx->setParameter(effect->mParams[j]);
+            }
+            ALOGV("addInputEffects(): added Fx %s on source: %d",
                   effect->mName, (int32_t)aliasSource);
-            // fx goes out of scope and strong ref on AudioEffect is released
-            continue;
+            inputDesc->mEffects.add(fx);
         }
-        for (size_t j = 0; j < effect->mParams.size(); j++) {
-            fx->setParameter(effect->mParams[j]);
-        }
-        ALOGV("addInputEffects(): added Fx %s on source: %d", effect->mName, (int32_t)aliasSource);
-        inputDesc->mEffects.add(fx);
+        inputDesc->setProcessorEnabled(true);
     }
-    inputDesc->setProcessorEnabled(true);
-
     return status;
 }
 
@@ -224,6 +226,11 @@
 
     Mutex::Autolock _l(mLock);
     // create audio processors according to stream
+    // FIXME: should we have specific post processing settings for internal streams?
+    // default to media for now.
+    if (stream >= AUDIO_STREAM_PUBLIC_CNT) {
+        stream = AUDIO_STREAM_MUSIC;
+    }
     ssize_t index = mOutputStreams.indexOfKey(stream);
     if (index < 0) {
         ALOGV("addOutputSessionEffects(): no output processing needed for this stream");
@@ -241,26 +248,28 @@
     }
     procDesc->mRefCount++;
 
-    ALOGV("addOutputSessionEffects(): session: %d, refCount: %d", audioSession, procDesc->mRefCount);
-
-    Vector <EffectDesc *> effects = mOutputStreams.valueAt(index)->mEffects;
-    for (size_t i = 0; i < effects.size(); i++) {
-        EffectDesc *effect = effects[i];
-        sp<AudioEffect> fx = new AudioEffect(NULL, &effect->mUuid, 0, 0, 0, audioSession, output);
-        status_t status = fx->initCheck();
-        if (status != NO_ERROR && status != ALREADY_EXISTS) {
-            ALOGE("addOutputSessionEffects(): failed to create Fx  %s on session %d",
-                  effect->mName, audioSession);
-            // fx goes out of scope and strong ref on AudioEffect is released
-            continue;
+    ALOGV("addOutputSessionEffects(): session: %d, refCount: %d",
+          audioSession, procDesc->mRefCount);
+    if (procDesc->mRefCount == 1) {
+        Vector <EffectDesc *> effects = mOutputStreams.valueAt(index)->mEffects;
+        for (size_t i = 0; i < effects.size(); i++) {
+            EffectDesc *effect = effects[i];
+            sp<AudioEffect> fx = new AudioEffect(NULL, &effect->mUuid, 0, 0, 0,
+                                                 audioSession, output);
+            status_t status = fx->initCheck();
+            if (status != NO_ERROR && status != ALREADY_EXISTS) {
+                ALOGE("addOutputSessionEffects(): failed to create Fx  %s on session %d",
+                      effect->mName, audioSession);
+                // fx goes out of scope and strong ref on AudioEffect is released
+                continue;
+            }
+            ALOGV("addOutputSessionEffects(): added Fx %s on session: %d for stream: %d",
+                  effect->mName, audioSession, (int32_t)stream);
+            procDesc->mEffects.add(fx);
         }
-        ALOGV("addOutputSessionEffects(): added Fx %s on session: %d for stream: %d",
-              effect->mName, audioSession, (int32_t)stream);
-        procDesc->mEffects.add(fx);
+
+        procDesc->setProcessorEnabled(true);
     }
-
-    procDesc->setProcessorEnabled(true);
-
     return status;
 }
 
@@ -281,7 +290,8 @@
 
     EffectVector *procDesc = mOutputSessions.valueAt(index);
     procDesc->mRefCount--;
-    ALOGV("releaseOutputSessionEffects(): session: %d, refCount: %d", audioSession, procDesc->mRefCount);
+    ALOGV("releaseOutputSessionEffects(): session: %d, refCount: %d",
+          audioSession, procDesc->mRefCount);
     if (procDesc->mRefCount == 0) {
         procDesc->setProcessorEnabled(false);
         procDesc->mEffects.clear();
@@ -330,7 +340,7 @@
     return (audio_source_t)i;
 }
 
-const char *AudioPolicyEffects::kStreamNames[AUDIO_STREAM_CNT+1] = {
+const char *AudioPolicyEffects::kStreamNames[AUDIO_STREAM_PUBLIC_CNT+1] = {
     AUDIO_STREAM_DEFAULT_TAG,
     AUDIO_STREAM_VOICE_CALL_TAG,
     AUDIO_STREAM_SYSTEM_TAG,
@@ -345,11 +355,11 @@
 };
 
 // returns the audio_stream_t enum corresponding to the output stream name or
-// AUDIO_STREAM_CNT is no match found
+// AUDIO_STREAM_PUBLIC_CNT is no match found
 audio_stream_type_t AudioPolicyEffects::streamNameToEnum(const char *name)
 {
     int i;
-    for (i = AUDIO_STREAM_DEFAULT; i < AUDIO_STREAM_CNT; i++) {
+    for (i = AUDIO_STREAM_DEFAULT; i < AUDIO_STREAM_PUBLIC_CNT; i++) {
         if (strcmp(name, kStreamNames[i - AUDIO_STREAM_DEFAULT]) == 0) {
             ALOGV("streamNameToEnum found stream %s %d", name, i);
             break;
@@ -580,7 +590,7 @@
     node = node->first_child;
     while (node) {
         audio_stream_type_t stream = streamNameToEnum(node->name);
-        if (stream == AUDIO_STREAM_CNT) {
+        if (stream == AUDIO_STREAM_PUBLIC_CNT) {
             ALOGW("loadStreamEffectConfigurations() invalid output stream %s", node->name);
             node = node->next;
             continue;
diff --git a/services/audiopolicy/AudioPolicyEffects.h b/services/audiopolicy/AudioPolicyEffects.h
index 6b0d538..3dec437 100644
--- a/services/audiopolicy/AudioPolicyEffects.h
+++ b/services/audiopolicy/AudioPolicyEffects.h
@@ -151,7 +151,7 @@
     static const char * const kInputSourceNames[AUDIO_SOURCE_CNT -1];
     static audio_source_t inputSourceNameToEnum(const char *name);
 
-    static const char *kStreamNames[AUDIO_STREAM_CNT+1]; //+1 required as streams start from -1
+    static const char *kStreamNames[AUDIO_STREAM_PUBLIC_CNT+1]; //+1 required as streams start from -1
     audio_stream_type_t streamNameToEnum(const char *name);
 
     // Parse audio_effects.conf
diff --git a/services/audiopolicy/AudioPolicyInterface.h b/services/audiopolicy/AudioPolicyInterface.h
index 5524463..4508fa7 100644
--- a/services/audiopolicy/AudioPolicyInterface.h
+++ b/services/audiopolicy/AudioPolicyInterface.h
@@ -18,6 +18,7 @@
 #define ANDROID_AUDIOPOLICY_INTERFACE_H
 
 #include <media/AudioSystem.h>
+#include <media/AudioPolicy.h>
 #include <utils/String8.h>
 
 #include <hardware/audio_policy.h>
@@ -56,6 +57,16 @@
 {
 
 public:
+    typedef enum {
+        API_INPUT_INVALID = -1,
+        API_INPUT_LEGACY  = 0,// e.g. audio recording from a microphone
+        API_INPUT_MIX_CAPTURE,// used for "remote submix", capture of the media to play it remotely
+        API_INPUT_MIX_EXT_POLICY_REROUTE,// used for platform audio rerouting, where mixes are
+                                         // handled by external and dynamically installed
+                                         // policies which reroute audio mixes
+    } input_type_t;
+
+public:
     virtual ~AudioPolicyInterface() {}
     //
     // configuration functions
@@ -90,30 +101,37 @@
                                         audio_channel_mask_t channelMask,
                                         audio_output_flags_t flags,
                                         const audio_offload_info_t *offloadInfo) = 0;
-    virtual audio_io_handle_t getOutputForAttr(const audio_attributes_t *attr,
-                                                uint32_t samplingRate,
-                                                audio_format_t format,
-                                                audio_channel_mask_t channelMask,
-                                                audio_output_flags_t flags,
-                                                const audio_offload_info_t *offloadInfo) = 0;
+    virtual status_t getOutputForAttr(const audio_attributes_t *attr,
+                                        audio_io_handle_t *output,
+                                        audio_session_t session,
+                                        audio_stream_type_t *stream,
+                                        uint32_t samplingRate,
+                                        audio_format_t format,
+                                        audio_channel_mask_t channelMask,
+                                        audio_output_flags_t flags,
+                                        const audio_offload_info_t *offloadInfo) = 0;
     // indicates to the audio policy manager that the output starts being used by corresponding stream.
     virtual status_t startOutput(audio_io_handle_t output,
                                  audio_stream_type_t stream,
-                                 int session = 0) = 0;
+                                 audio_session_t session) = 0;
     // indicates to the audio policy manager that the output stops being used by corresponding stream.
     virtual status_t stopOutput(audio_io_handle_t output,
                                 audio_stream_type_t stream,
-                                int session = 0) = 0;
+                                audio_session_t session) = 0;
     // releases the output.
-    virtual void releaseOutput(audio_io_handle_t output) = 0;
+    virtual void releaseOutput(audio_io_handle_t output,
+                               audio_stream_type_t stream,
+                               audio_session_t session) = 0;
 
     // request an input appropriate for record from the supplied device with supplied parameters.
-    virtual audio_io_handle_t getInput(audio_source_t inputSource,
-                                    uint32_t samplingRate,
-                                    audio_format_t format,
-                                    audio_channel_mask_t channelMask,
-                                    audio_session_t session,
-                                    audio_input_flags_t flags) = 0;
+    virtual status_t getInputForAttr(const audio_attributes_t *attr,
+                                     audio_io_handle_t *input,
+                                     audio_session_t session,
+                                     uint32_t samplingRate,
+                                     audio_format_t format,
+                                     audio_channel_mask_t channelMask,
+                                     audio_input_flags_t flags,
+                                     input_type_t *inputType) = 0;
     // indicates to the audio policy manager that the input starts being used.
     virtual status_t startInput(audio_io_handle_t input,
                                 audio_session_t session) = 0;
@@ -195,6 +213,9 @@
                                            audio_devices_t *device) = 0;
 
     virtual status_t releaseSoundTriggerSession(audio_session_t session) = 0;
+
+    virtual status_t registerPolicyMixes(Vector<AudioMix> mixes) = 0;
+    virtual status_t unregisterPolicyMixes(Vector<AudioMix> mixes) = 0;
 };
 
 
diff --git a/services/audiopolicy/AudioPolicyInterfaceImpl.cpp b/services/audiopolicy/AudioPolicyInterfaceImpl.cpp
index 6cd0ac8..a45dbb3 100644
--- a/services/audiopolicy/AudioPolicyInterfaceImpl.cpp
+++ b/services/audiopolicy/AudioPolicyInterfaceImpl.cpp
@@ -129,8 +129,11 @@
                                     audio_output_flags_t flags,
                                     const audio_offload_info_t *offloadInfo)
 {
+    if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) {
+        return AUDIO_IO_HANDLE_NONE;
+    }
     if (mAudioPolicyManager == NULL) {
-        return 0;
+        return AUDIO_IO_HANDLE_NONE;
     }
     ALOGV("getOutput()");
     Mutex::Autolock _l(mLock);
@@ -138,26 +141,32 @@
                                     format, channelMask, flags, offloadInfo);
 }
 
-audio_io_handle_t AudioPolicyService::getOutputForAttr(const audio_attributes_t *attr,
-                                    uint32_t samplingRate,
-                                    audio_format_t format,
-                                    audio_channel_mask_t channelMask,
-                                    audio_output_flags_t flags,
-                                    const audio_offload_info_t *offloadInfo)
+status_t AudioPolicyService::getOutputForAttr(const audio_attributes_t *attr,
+                                              audio_io_handle_t *output,
+                                              audio_session_t session,
+                                              audio_stream_type_t *stream,
+                                              uint32_t samplingRate,
+                                              audio_format_t format,
+                                              audio_channel_mask_t channelMask,
+                                              audio_output_flags_t flags,
+                                              const audio_offload_info_t *offloadInfo)
 {
     if (mAudioPolicyManager == NULL) {
-        return 0;
+        return NO_INIT;
     }
     ALOGV("getOutput()");
     Mutex::Autolock _l(mLock);
-    return mAudioPolicyManager->getOutputForAttr(attr, samplingRate,
+    return mAudioPolicyManager->getOutputForAttr(attr, output, session, stream, samplingRate,
                                     format, channelMask, flags, offloadInfo);
 }
 
 status_t AudioPolicyService::startOutput(audio_io_handle_t output,
                                          audio_stream_type_t stream,
-                                         int session)
+                                         audio_session_t session)
 {
+    if (uint32_t(stream) >= AUDIO_STREAM_CNT) {
+        return BAD_VALUE;
+    }
     if (mAudioPolicyManager == NULL) {
         return NO_INIT;
     }
@@ -180,8 +189,11 @@
 
 status_t AudioPolicyService::stopOutput(audio_io_handle_t output,
                                         audio_stream_type_t stream,
-                                        int session)
+                                        audio_session_t session)
 {
+    if (uint32_t(stream) >= AUDIO_STREAM_CNT) {
+        return BAD_VALUE;
+    }
     if (mAudioPolicyManager == NULL) {
         return NO_INIT;
     }
@@ -192,7 +204,7 @@
 
 status_t  AudioPolicyService::doStopOutput(audio_io_handle_t output,
                                       audio_stream_type_t stream,
-                                      int session)
+                                      audio_session_t session)
 {
     ALOGV("doStopOutput from tid %d", gettid());
     sp<AudioPolicyEffects>audioPolicyEffects;
@@ -211,61 +223,98 @@
     return mAudioPolicyManager->stopOutput(output, stream, session);
 }
 
-void AudioPolicyService::releaseOutput(audio_io_handle_t output)
+void AudioPolicyService::releaseOutput(audio_io_handle_t output,
+                                       audio_stream_type_t stream,
+                                       audio_session_t session)
 {
     if (mAudioPolicyManager == NULL) {
         return;
     }
     ALOGV("releaseOutput()");
-    mOutputCommandThread->releaseOutputCommand(output);
+    mOutputCommandThread->releaseOutputCommand(output, stream, session);
 }
 
-void AudioPolicyService::doReleaseOutput(audio_io_handle_t output)
+void AudioPolicyService::doReleaseOutput(audio_io_handle_t output,
+                                         audio_stream_type_t stream,
+                                         audio_session_t session)
 {
     ALOGV("doReleaseOutput from tid %d", gettid());
     Mutex::Autolock _l(mLock);
-    mAudioPolicyManager->releaseOutput(output);
+    mAudioPolicyManager->releaseOutput(output, stream, session);
 }
 
-audio_io_handle_t AudioPolicyService::getInput(audio_source_t inputSource,
-                                    uint32_t samplingRate,
-                                    audio_format_t format,
-                                    audio_channel_mask_t channelMask,
-                                    int audioSession,
-                                    audio_input_flags_t flags)
+status_t AudioPolicyService::getInputForAttr(const audio_attributes_t *attr,
+                                             audio_io_handle_t *input,
+                                             audio_session_t session,
+                                             uint32_t samplingRate,
+                                             audio_format_t format,
+                                             audio_channel_mask_t channelMask,
+                                             audio_input_flags_t flags)
 {
     if (mAudioPolicyManager == NULL) {
-        return 0;
+        return NO_INIT;
     }
     // already checked by client, but double-check in case the client wrapper is bypassed
-    if (inputSource >= AUDIO_SOURCE_CNT && inputSource != AUDIO_SOURCE_HOTWORD) {
-        return 0;
+    if (attr->source >= AUDIO_SOURCE_CNT && attr->source != AUDIO_SOURCE_HOTWORD &&
+        attr->source != AUDIO_SOURCE_FM_TUNER) {
+        return BAD_VALUE;
     }
 
-    if ((inputSource == AUDIO_SOURCE_HOTWORD) && !captureHotwordAllowed()) {
-        return 0;
+    if (((attr->source == AUDIO_SOURCE_HOTWORD) && !captureHotwordAllowed()) ||
+        ((attr->source == AUDIO_SOURCE_FM_TUNER) && !captureFmTunerAllowed())) {
+        return BAD_VALUE;
     }
-    audio_io_handle_t input;
     sp<AudioPolicyEffects>audioPolicyEffects;
+    status_t status;
+    AudioPolicyInterface::input_type_t inputType;
     {
         Mutex::Autolock _l(mLock);
         // the audio_in_acoustics_t parameter is ignored by get_input()
-        input = mAudioPolicyManager->getInput(inputSource, samplingRate,
-                                                       format, channelMask,
-                                                       (audio_session_t)audioSession, flags);
+        status = mAudioPolicyManager->getInputForAttr(attr, input, session,
+                                                     samplingRate, format, channelMask,
+                                                     flags, &inputType);
         audioPolicyEffects = mAudioPolicyEffects;
-    }
-    if (input == 0) {
-        return input;
-    }
-    if (audioPolicyEffects != 0) {
-        // create audio pre processors according to input source
-        status_t status = audioPolicyEffects->addInputEffects(input, inputSource, audioSession);
-        if (status != NO_ERROR && status != ALREADY_EXISTS) {
-            ALOGW("Failed to add effects on input %d", input);
+
+        if (status == NO_ERROR) {
+            // enforce permission (if any) required for each type of input
+            switch (inputType) {
+            case AudioPolicyInterface::API_INPUT_LEGACY:
+                break;
+            case AudioPolicyInterface::API_INPUT_MIX_CAPTURE:
+                if (!captureAudioOutputAllowed()) {
+                    ALOGE("getInputForAttr() permission denied: capture not allowed");
+                    status = PERMISSION_DENIED;
+                }
+                break;
+            case AudioPolicyInterface::API_INPUT_MIX_EXT_POLICY_REROUTE:
+                if (!modifyAudioRoutingAllowed()) {
+                    ALOGE("getInputForAttr() permission denied: modify audio routing not allowed");
+                    status = PERMISSION_DENIED;
+                }
+                break;
+            case AudioPolicyInterface::API_INPUT_INVALID:
+            default:
+                LOG_ALWAYS_FATAL("getInputForAttr() encountered an invalid input type %d",
+                        (int)inputType);
+            }
+        }
+
+        if (status != NO_ERROR) {
+            if (status == PERMISSION_DENIED) {
+                mAudioPolicyManager->releaseInput(*input, session);
+            }
+            return status;
         }
     }
-    return input;
+
+    if (audioPolicyEffects != 0) {
+        // create audio pre processors according to input source
+        status_t status = audioPolicyEffects->addInputEffects(*input, attr->source, session);
+        if (status != NO_ERROR && status != ALREADY_EXISTS) {
+            ALOGW("Failed to add effects on input %d", *input);
+        }
+    }
+    return NO_ERROR;
 }
 
 status_t AudioPolicyService::startInput(audio_io_handle_t input,
@@ -321,7 +370,7 @@
     if (!settingsAllowed()) {
         return PERMISSION_DENIED;
     }
-    if (uint32_t(stream) >= AUDIO_STREAM_CNT) {
+    if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) {
         return BAD_VALUE;
     }
     Mutex::Autolock _l(mLock);
@@ -339,7 +388,7 @@
     if (!settingsAllowed()) {
         return PERMISSION_DENIED;
     }
-    if (uint32_t(stream) >= AUDIO_STREAM_CNT) {
+    if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) {
         return BAD_VALUE;
     }
     Mutex::Autolock _l(mLock);
@@ -355,7 +404,7 @@
     if (mAudioPolicyManager == NULL) {
         return NO_INIT;
     }
-    if (uint32_t(stream) >= AUDIO_STREAM_CNT) {
+    if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) {
         return BAD_VALUE;
     }
     Mutex::Autolock _l(mLock);
@@ -366,6 +415,9 @@
 
 uint32_t AudioPolicyService::getStrategyForStream(audio_stream_type_t stream)
 {
+    if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) {
+        return 0;
+    }
     if (mAudioPolicyManager == NULL) {
         return 0;
     }
@@ -376,8 +428,11 @@
 
 audio_devices_t AudioPolicyService::getDevicesForStream(audio_stream_type_t stream)
 {
+    if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) {
+        return AUDIO_DEVICE_NONE;
+    }
     if (mAudioPolicyManager == NULL) {
-        return (audio_devices_t)0;
+        return AUDIO_DEVICE_NONE;
     }
     return mAudioPolicyManager->getDevicesForStream(stream);
 }
@@ -422,8 +477,11 @@
 
 bool AudioPolicyService::isStreamActive(audio_stream_type_t stream, uint32_t inPastMs) const
 {
+    if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) {
+        return false;
+    }
     if (mAudioPolicyManager == NULL) {
-        return 0;
+        return false;
     }
     Mutex::Autolock _l(mLock);
     return mAudioPolicyManager->isStreamActive(stream, inPastMs);
@@ -431,8 +489,11 @@
 
 bool AudioPolicyService::isStreamActiveRemotely(audio_stream_type_t stream, uint32_t inPastMs) const
 {
+    if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) {
+        return false;
+    }
     if (mAudioPolicyManager == NULL) {
-        return 0;
+        return false;
     }
     Mutex::Autolock _l(mLock);
     return mAudioPolicyManager->isStreamActiveRemotely(stream, inPastMs);
@@ -583,4 +644,20 @@
     return mAudioPolicyManager->releaseSoundTriggerSession(session);
 }
 
+status_t AudioPolicyService::registerPolicyMixes(Vector<AudioMix> mixes, bool registration)
+{
+    Mutex::Autolock _l(mLock);
+    if(!modifyAudioRoutingAllowed()) {
+        return PERMISSION_DENIED;
+    }
+    if (mAudioPolicyManager == NULL) {
+        return NO_INIT;
+    }
+    if (registration) {
+        return mAudioPolicyManager->registerPolicyMixes(mixes);
+    } else {
+        return mAudioPolicyManager->unregisterPolicyMixes(mixes);
+    }
+}
+
 }; // namespace android
diff --git a/services/audiopolicy/AudioPolicyInterfaceImplLegacy.cpp b/services/audiopolicy/AudioPolicyInterfaceImplLegacy.cpp
index e1e81e1..4bc3c7f 100644
--- a/services/audiopolicy/AudioPolicyInterfaceImplLegacy.cpp
+++ b/services/audiopolicy/AudioPolicyInterfaceImplLegacy.cpp
@@ -134,8 +134,11 @@
                                     audio_output_flags_t flags,
                                     const audio_offload_info_t *offloadInfo)
 {
+    if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) {
+        return AUDIO_IO_HANDLE_NONE;
+    }
     if (mpAudioPolicy == NULL) {
-        return 0;
+        return AUDIO_IO_HANDLE_NONE;
     }
     ALOGV("getOutput()");
     Mutex::Autolock _l(mLock);
@@ -145,8 +148,11 @@
 
 status_t AudioPolicyService::startOutput(audio_io_handle_t output,
                                          audio_stream_type_t stream,
-                                         int session)
+                                         audio_session_t session)
 {
+    if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) {
+        return BAD_VALUE;
+    }
     if (mpAudioPolicy == NULL) {
         return NO_INIT;
     }
@@ -170,8 +176,11 @@
 
 status_t AudioPolicyService::stopOutput(audio_io_handle_t output,
                                         audio_stream_type_t stream,
-                                        int session)
+                                        audio_session_t session)
 {
+    if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) {
+        return BAD_VALUE;
+    }
     if (mpAudioPolicy == NULL) {
         return NO_INIT;
     }
@@ -182,7 +191,7 @@
 
 status_t  AudioPolicyService::doStopOutput(audio_io_handle_t output,
                                       audio_stream_type_t stream,
-                                      int session)
+                                      audio_session_t session)
 {
     ALOGV("doStopOutput from tid %d", gettid());
     // release audio processors from the stream
@@ -201,62 +210,68 @@
     return mpAudioPolicy->stop_output(mpAudioPolicy, output, stream, session);
 }
 
-void AudioPolicyService::releaseOutput(audio_io_handle_t output)
+void AudioPolicyService::releaseOutput(audio_io_handle_t output,
+                                       audio_stream_type_t stream,
+                                       audio_session_t session)
 {
     if (mpAudioPolicy == NULL) {
         return;
     }
     ALOGV("releaseOutput()");
-    mOutputCommandThread->releaseOutputCommand(output);
+    mOutputCommandThread->releaseOutputCommand(output, stream, session);
 }
 
-void AudioPolicyService::doReleaseOutput(audio_io_handle_t output)
+void AudioPolicyService::doReleaseOutput(audio_io_handle_t output,
+                                         audio_stream_type_t stream __unused,
+                                         audio_session_t session __unused)
 {
     ALOGV("doReleaseOutput from tid %d", gettid());
     Mutex::Autolock _l(mLock);
     mpAudioPolicy->release_output(mpAudioPolicy, output);
 }
 
-audio_io_handle_t AudioPolicyService::getInput(audio_source_t inputSource,
-                                    uint32_t samplingRate,
-                                    audio_format_t format,
-                                    audio_channel_mask_t channelMask,
-                                    int audioSession,
-                                    audio_input_flags_t flags __unused)
+status_t AudioPolicyService::getInputForAttr(const audio_attributes_t *attr,
+                                             audio_io_handle_t *input,
+                                             audio_session_t session,
+                                             uint32_t samplingRate,
+                                             audio_format_t format,
+                                             audio_channel_mask_t channelMask,
+                                             audio_input_flags_t flags __unused)
 {
     if (mpAudioPolicy == NULL) {
-        return 0;
+        return NO_INIT;
     }
     // already checked by client, but double-check in case the client wrapper is bypassed
-    if (inputSource >= AUDIO_SOURCE_CNT && inputSource != AUDIO_SOURCE_HOTWORD) {
-        return 0;
+    if (attr->source >= AUDIO_SOURCE_CNT && attr->source != AUDIO_SOURCE_HOTWORD &&
+        attr->source != AUDIO_SOURCE_FM_TUNER) {
+        return BAD_VALUE;
     }
 
-    if ((inputSource == AUDIO_SOURCE_HOTWORD) && !captureHotwordAllowed()) {
-        return 0;
+    if (((attr->source == AUDIO_SOURCE_HOTWORD) && !captureHotwordAllowed()) ||
+        ((attr->source == AUDIO_SOURCE_FM_TUNER) && !captureFmTunerAllowed())) {
+        return BAD_VALUE;
     }
 
-    audio_io_handle_t input;
     sp<AudioPolicyEffects>audioPolicyEffects;
     {
         Mutex::Autolock _l(mLock);
         // the audio_in_acoustics_t parameter is ignored by get_input()
-        input = mpAudioPolicy->get_input(mpAudioPolicy, inputSource, samplingRate,
+        *input = mpAudioPolicy->get_input(mpAudioPolicy, attr->source, samplingRate,
                                              format, channelMask, (audio_in_acoustics_t) 0);
         audioPolicyEffects = mAudioPolicyEffects;
     }
-    if (input == 0) {
-        return input;
+    if (*input == AUDIO_IO_HANDLE_NONE) {
+        return INVALID_OPERATION;
     }
 
     if (audioPolicyEffects != 0) {
         // create audio pre processors according to input source
-        status_t status = audioPolicyEffects->addInputEffects(input, inputSource, audioSession);
+        status_t status = audioPolicyEffects->addInputEffects(*input, attr->source, session);
         if (status != NO_ERROR && status != ALREADY_EXISTS) {
             ALOGW("Failed to add effects on input %d", input);
         }
     }
-    return input;
+    return NO_ERROR;
 }
 
 status_t AudioPolicyService::startInput(audio_io_handle_t input,
@@ -313,7 +328,7 @@
     if (!settingsAllowed()) {
         return PERMISSION_DENIED;
     }
-    if (uint32_t(stream) >= AUDIO_STREAM_CNT) {
+    if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) {
         return BAD_VALUE;
     }
     Mutex::Autolock _l(mLock);
@@ -331,7 +346,7 @@
     if (!settingsAllowed()) {
         return PERMISSION_DENIED;
     }
-    if (uint32_t(stream) >= AUDIO_STREAM_CNT) {
+    if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) {
         return BAD_VALUE;
     }
     Mutex::Autolock _l(mLock);
@@ -352,7 +367,7 @@
     if (mpAudioPolicy == NULL) {
         return NO_INIT;
     }
-    if (uint32_t(stream) >= AUDIO_STREAM_CNT) {
+    if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) {
         return BAD_VALUE;
     }
     Mutex::Autolock _l(mLock);
@@ -368,6 +383,9 @@
 
 uint32_t AudioPolicyService::getStrategyForStream(audio_stream_type_t stream)
 {
+    if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) {
+        return 0;
+    }
     if (mpAudioPolicy == NULL) {
         return 0;
     }
@@ -378,8 +396,11 @@
 
 audio_devices_t AudioPolicyService::getDevicesForStream(audio_stream_type_t stream)
 {
+    if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) {
+        return AUDIO_DEVICE_NONE;
+    }
     if (mpAudioPolicy == NULL) {
-        return (audio_devices_t)0;
+        return AUDIO_DEVICE_NONE;
     }
     return mpAudioPolicy->get_devices_for_stream(mpAudioPolicy, stream);
 }
@@ -424,8 +445,11 @@
 
 bool AudioPolicyService::isStreamActive(audio_stream_type_t stream, uint32_t inPastMs) const
 {
+    if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) {
+        return false;
+    }
     if (mpAudioPolicy == NULL) {
-        return 0;
+        return false;
     }
     Mutex::Autolock _l(mLock);
     return mpAudioPolicy->is_stream_active(mpAudioPolicy, stream, inPastMs);
@@ -433,8 +457,11 @@
 
 bool AudioPolicyService::isStreamActiveRemotely(audio_stream_type_t stream, uint32_t inPastMs) const
 {
+    if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) {
+        return false;
+    }
     if (mpAudioPolicy == NULL) {
-        return 0;
+        return false;
     }
     Mutex::Autolock _l(mLock);
     return mpAudioPolicy->is_stream_active_remotely(mpAudioPolicy, stream, inPastMs);
@@ -526,26 +553,45 @@
     return INVALID_OPERATION;
 }
 
-audio_io_handle_t AudioPolicyService::getOutputForAttr(const audio_attributes_t *attr,
-                                    uint32_t samplingRate,
-                                    audio_format_t format,
-                                    audio_channel_mask_t channelMask,
-                                    audio_output_flags_t flags,
-                                    const audio_offload_info_t *offloadInfo)
+status_t AudioPolicyService::getOutputForAttr(const audio_attributes_t *attr,
+                                              audio_io_handle_t *output,
+                                              audio_session_t session __unused,
+                                              audio_stream_type_t *stream,
+                                              uint32_t samplingRate,
+                                              audio_format_t format,
+                                              audio_channel_mask_t channelMask,
+                                              audio_output_flags_t flags,
+                                              const audio_offload_info_t *offloadInfo)
 {
-    audio_stream_type_t stream = audio_attributes_to_stream_type(attr);
-
-    return getOutput(stream, samplingRate, format, channelMask, flags, offloadInfo);
+    if (attr != NULL) {
+        *stream = audio_attributes_to_stream_type(attr);
+    } else {
+        if (*stream == AUDIO_STREAM_DEFAULT) {
+            return BAD_VALUE;
+        }
+    }
+    *output = getOutput(*stream, samplingRate, format, channelMask,
+                                          flags, offloadInfo);
+    if (*output == AUDIO_IO_HANDLE_NONE) {
+        return INVALID_OPERATION;
+    }
+    return NO_ERROR;
 }
 
-status_t AudioPolicyService::acquireSoundTriggerSession(audio_session_t *session,
-                                       audio_io_handle_t *ioHandle,
-                                       audio_devices_t *device)
+status_t AudioPolicyService::acquireSoundTriggerSession(audio_session_t *session __unused,
+                                       audio_io_handle_t *ioHandle __unused,
+                                       audio_devices_t *device __unused)
 {
     return INVALID_OPERATION;
 }
 
-status_t AudioPolicyService::releaseSoundTriggerSession(audio_session_t session)
+status_t AudioPolicyService::releaseSoundTriggerSession(audio_session_t session __unused)
+{
+    return INVALID_OPERATION;
+}
+
+status_t AudioPolicyService::registerPolicyMixes(Vector<AudioMix> mixes __unused,
+                                                 bool registration __unused)
 {
     return INVALID_OPERATION;
 }
diff --git a/services/audiopolicy/AudioPolicyManager.cpp b/services/audiopolicy/AudioPolicyManager.cpp
index 536987a..34c677c 100644
--- a/services/audiopolicy/AudioPolicyManager.cpp
+++ b/services/audiopolicy/AudioPolicyManager.cpp
@@ -26,7 +26,7 @@
 
 // A device mask for all audio input devices that are considered "virtual" when evaluating
 // active inputs in getActiveInput()
-#define APM_AUDIO_IN_DEVICE_VIRTUAL_ALL  AUDIO_DEVICE_IN_REMOTE_SUBMIX
+#define APM_AUDIO_IN_DEVICE_VIRTUAL_ALL  (AUDIO_DEVICE_IN_REMOTE_SUBMIX|AUDIO_DEVICE_IN_FM_TUNER)
 // A device mask for all audio output devices that are considered "remote" when evaluating
 // active output devices in isStreamActiveRemotely()
 #define APM_AUDIO_OUT_DEVICE_REMOTE_ALL  AUDIO_DEVICE_OUT_REMOTE_SUBMIX
@@ -43,6 +43,7 @@
 #include <hardware/audio.h>
 #include <hardware/audio_effect.h>
 #include <media/AudioParameter.h>
+#include <media/AudioPolicyHelper.h>
 #include <soundtrigger/SoundTrigger.h>
 #include "AudioPolicyManager.h"
 #include "audio_policy_conf.h"
@@ -210,12 +211,22 @@
 // AudioPolicyInterface implementation
 // ----------------------------------------------------------------------------
 
-
 status_t AudioPolicyManager::setDeviceConnectionState(audio_devices_t device,
                                                           audio_policy_dev_state_t state,
                                                   const char *device_address)
 {
+    return setDeviceConnectionStateInt(device, state, device_address);
+}
+
+status_t AudioPolicyManager::setDeviceConnectionStateInt(audio_devices_t device,
+                                                          audio_policy_dev_state_t state,
+                                                  const char *device_address)
+{
     String8 address = (device_address == NULL) ? String8("") : String8(device_address);
+    // handle legacy remote submix case where the address was not always specified
+    if (deviceDistinguishesOnAddress(device) && (address.length() == 0)) {
+        address = String8("0");
+    }
 
     ALOGV("setDeviceConnectionState() device: %x, state %d, address %s",
             device, state, address.string());
@@ -419,6 +430,10 @@
     audio_policy_dev_state_t state = AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE;
     sp<DeviceDescriptor> devDesc = new DeviceDescriptor(String8(""), device);
     devDesc->mAddress = (device_address == NULL) ? String8("") : String8(device_address);
+    // handle legacy remote submix case where the address was not always specified
+    if (deviceDistinguishesOnAddress(device) && (devDesc->mAddress.length() == 0)) {
+        devDesc->mAddress = String8("0");
+    }
     ssize_t index;
     DeviceVector *deviceVector;
 
@@ -449,7 +464,7 @@
     audio_patch_handle_t afPatchHandle;
     DeviceVector deviceList;
 
-    audio_devices_t txDevice = getDeviceForInputSource(AUDIO_SOURCE_VOICE_COMMUNICATION);
+    audio_devices_t txDevice = getDeviceAndMixForInputSource(AUDIO_SOURCE_VOICE_COMMUNICATION);
     ALOGV("updateCallRouting device rxDevice %08x txDevice %08x", rxDevice, txDevice);
 
     // release existing RX patch if any
@@ -576,8 +591,14 @@
     if (isInCall()) {
         ALOGV("setPhoneState() in call state management: new state is %d", state);
         for (int stream = 0; stream < AUDIO_STREAM_CNT; stream++) {
+            if (stream == AUDIO_STREAM_PATCH) {
+                continue;
+            }
             handleIncallSonification((audio_stream_type_t)stream, false, true);
         }
+
+        // force reevaluating accessibility routing when call starts
+        mpClientInterface->invalidateStream(AUDIO_STREAM_ACCESSIBILITY);
     }
 
     // store previous phone state for management of sonification strategy below
@@ -673,6 +694,9 @@
     if (isStateInCall(state)) {
         ALOGV("setPhoneState() in call state management: new state is %d", state);
         for (int stream = 0; stream < AUDIO_STREAM_CNT; stream++) {
+            if (stream == AUDIO_STREAM_PATCH) {
+                continue;
+            }
             handleIncallSonification((audio_stream_type_t)stream, true, true);
         }
     }
@@ -707,7 +731,7 @@
             config != AUDIO_POLICY_FORCE_WIRED_ACCESSORY &&
             config != AUDIO_POLICY_FORCE_ANALOG_DOCK &&
             config != AUDIO_POLICY_FORCE_DIGITAL_DOCK && config != AUDIO_POLICY_FORCE_NONE &&
-            config != AUDIO_POLICY_FORCE_NO_BT_A2DP) {
+            config != AUDIO_POLICY_FORCE_NO_BT_A2DP && config != AUDIO_POLICY_FORCE_SPEAKER ) {
             ALOGW("setForceUse() invalid config %d for FOR_MEDIA", config);
             return;
         }
@@ -803,7 +827,7 @@
         }
         for (size_t j = 0; j < mHwModules[i]->mOutputProfiles.size(); j++) {
             sp<IOProfile> profile = mHwModules[i]->mOutputProfiles[j];
-            bool found = profile->isCompatibleProfile(device, samplingRate,
+            bool found = profile->isCompatibleProfile(device, String8(""), samplingRate,
                     NULL /*updatedSamplingRate*/, format, channelMask,
                     flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD ?
                         AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD : AUDIO_OUTPUT_FLAG_DIRECT);
@@ -822,48 +846,113 @@
                                     audio_output_flags_t flags,
                                     const audio_offload_info_t *offloadInfo)
 {
-
     routing_strategy strategy = getStrategy(stream);
     audio_devices_t device = getDeviceForStrategy(strategy, false /*fromCache*/);
     ALOGV("getOutput() device %d, stream %d, samplingRate %d, format %x, channelMask %x, flags %x",
           device, stream, samplingRate, format, channelMask, flags);
 
-    return getOutputForDevice(device, stream, samplingRate,format, channelMask, flags,
-            offloadInfo);
+    return getOutputForDevice(device, AUDIO_SESSION_ALLOCATE,
+                              stream, samplingRate,format, channelMask,
+                              flags, offloadInfo);
 }
 
-audio_io_handle_t AudioPolicyManager::getOutputForAttr(const audio_attributes_t *attr,
-                                    uint32_t samplingRate,
-                                    audio_format_t format,
-                                    audio_channel_mask_t channelMask,
-                                    audio_output_flags_t flags,
-                                    const audio_offload_info_t *offloadInfo)
+status_t AudioPolicyManager::getOutputForAttr(const audio_attributes_t *attr,
+                                              audio_io_handle_t *output,
+                                              audio_session_t session,
+                                              audio_stream_type_t *stream,
+                                              uint32_t samplingRate,
+                                              audio_format_t format,
+                                              audio_channel_mask_t channelMask,
+                                              audio_output_flags_t flags,
+                                              const audio_offload_info_t *offloadInfo)
 {
-    if (attr == NULL) {
-        ALOGE("getOutputForAttr() called with NULL audio attributes");
-        return 0;
+    audio_attributes_t attributes;
+    if (attr != NULL) {
+        if (!isValidAttributes(attr)) {
+            ALOGE("getOutputForAttr() invalid attributes: usage=%d content=%d flags=0x%x tags=[%s]",
+                  attr->usage, attr->content_type, attr->flags,
+                  attr->tags);
+            return BAD_VALUE;
+        }
+        attributes = *attr;
+    } else {
+        if (*stream < AUDIO_STREAM_MIN || *stream >= AUDIO_STREAM_PUBLIC_CNT) {
+            ALOGE("getOutputForAttr():  invalid stream type");
+            return BAD_VALUE;
+        }
+        stream_type_to_audio_attributes(*stream, &attributes);
     }
-    ALOGV("getOutputForAttr() usage=%d, content=%d, tag=%s flags=%08x",
-            attr->usage, attr->content_type, attr->tags, attr->flags);
 
-    // TODO this is where filtering for custom policies (rerouting, dynamic sources) will go
-    routing_strategy strategy = (routing_strategy) getStrategyForAttr(attr);
+    for (size_t i = 0; i < mPolicyMixes.size(); i++) {
+        sp<AudioOutputDescriptor> desc;
+        if (mPolicyMixes[i]->mMix.mMixType == MIX_TYPE_PLAYERS) {
+            for (size_t j = 0; j < mPolicyMixes[i]->mMix.mCriteria.size(); j++) {
+                if ((RULE_MATCH_ATTRIBUTE_USAGE == mPolicyMixes[i]->mMix.mCriteria[j].mRule &&
+                        mPolicyMixes[i]->mMix.mCriteria[j].mAttr.mUsage == attributes.usage) ||
+                    (RULE_EXCLUDE_ATTRIBUTE_USAGE == mPolicyMixes[i]->mMix.mCriteria[j].mRule &&
+                        mPolicyMixes[i]->mMix.mCriteria[j].mAttr.mUsage != attributes.usage)) {
+                    desc = mPolicyMixes[i]->mOutput;
+                    break;
+                }
+                if (strncmp(attributes.tags, "addr=", strlen("addr=")) == 0 &&
+                        strncmp(attributes.tags + strlen("addr="),
+                                mPolicyMixes[i]->mMix.mRegistrationId.string(),
+                                AUDIO_ATTRIBUTES_TAGS_MAX_SIZE - strlen("addr=") - 1) == 0) {
+                    desc = mPolicyMixes[i]->mOutput;
+                    break;
+                }
+            }
+        } else if (mPolicyMixes[i]->mMix.mMixType == MIX_TYPE_RECORDERS) {
+            if (attributes.usage == AUDIO_USAGE_VIRTUAL_SOURCE &&
+                    strncmp(attributes.tags, "addr=", strlen("addr=")) == 0 &&
+                    strncmp(attributes.tags + strlen("addr="),
+                            mPolicyMixes[i]->mMix.mRegistrationId.string(),
+                            AUDIO_ATTRIBUTES_TAGS_MAX_SIZE - strlen("addr=") - 1) == 0) {
+                desc = mPolicyMixes[i]->mOutput;
+            }
+        }
+        if (desc != 0) {
+            if (!audio_is_linear_pcm(format)) {
+                return BAD_VALUE;
+            }
+            desc->mPolicyMix = &mPolicyMixes[i]->mMix;
+            *stream = streamTypefromAttributesInt(&attributes);
+            *output = desc->mIoHandle;
+            ALOGV("getOutputForAttr() returns output %d", *output);
+            return NO_ERROR;
+        }
+    }
+    if (attributes.usage == AUDIO_USAGE_VIRTUAL_SOURCE) {
+        ALOGW("getOutputForAttr() no policy mix found for usage AUDIO_USAGE_VIRTUAL_SOURCE");
+        return BAD_VALUE;
+    }
+
+    ALOGV("getOutputForAttr() usage=%d, content=%d, tag=%s flags=%08x",
+            attributes.usage, attributes.content_type, attributes.tags, attributes.flags);
+
+    routing_strategy strategy = (routing_strategy) getStrategyForAttr(&attributes);
     audio_devices_t device = getDeviceForStrategy(strategy, false /*fromCache*/);
 
-    if ((attr->flags & AUDIO_FLAG_HW_AV_SYNC) != 0) {
+    if ((attributes.flags & AUDIO_FLAG_HW_AV_SYNC) != 0) {
         flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_HW_AV_SYNC);
     }
 
-    ALOGV("getOutputForAttr() device %d, samplingRate %d, format %x, channelMask %x, flags %x",
+    ALOGV("getOutputForAttr() device 0x%x, samplingRate %d, format %x, channelMask %x, flags %x",
           device, samplingRate, format, channelMask, flags);
 
-    audio_stream_type_t stream = streamTypefromAttributesInt(attr);
-    return getOutputForDevice(device, stream, samplingRate, format, channelMask, flags,
-                offloadInfo);
+    *stream = streamTypefromAttributesInt(&attributes);
+    *output = getOutputForDevice(device, session, *stream,
+                                 samplingRate, format, channelMask,
+                                 flags, offloadInfo);
+    if (*output == AUDIO_IO_HANDLE_NONE) {
+        return INVALID_OPERATION;
+    }
+    return NO_ERROR;
 }
 
 audio_io_handle_t AudioPolicyManager::getOutputForDevice(
         audio_devices_t device,
+        audio_session_t session __unused,
         audio_stream_type_t stream,
         uint32_t samplingRate,
         audio_format_t format,
@@ -926,6 +1015,10 @@
     if ((flags & AUDIO_OUTPUT_FLAG_HW_AV_SYNC) != 0) {
         flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_DIRECT);
     }
+    // only allow deep buffering for music stream type
+    if (stream != AUDIO_STREAM_MUSIC) {
+        flags = (audio_output_flags_t)(flags &~AUDIO_OUTPUT_FLAG_DEEP_BUFFER);
+    }
 
     sp<IOProfile> profile;
 
@@ -1110,7 +1203,7 @@
 
 status_t AudioPolicyManager::startOutput(audio_io_handle_t output,
                                              audio_stream_type_t stream,
-                                             int session)
+                                             audio_session_t session)
 {
     ALOGV("startOutput() output %d, stream %d, session %d", output, stream, session);
     ssize_t index = mOutputs.indexOfKey(output);
@@ -1119,6 +1212,20 @@
         return BAD_VALUE;
     }
 
+    // cannot start playback of STREAM_TTS if any other output is being used
+    uint32_t beaconMuteLatency = 0;
+    if (stream == AUDIO_STREAM_TTS) {
+        ALOGV("\t found BEACON stream");
+        if (isAnyOutputActive(AUDIO_STREAM_TTS /*streamToIgnore*/)) {
+            return INVALID_OPERATION;
+        } else {
+            beaconMuteLatency = handleEventForBeacon(STARTING_BEACON);
+        }
+    } else {
+        // some playback other than beacon starts
+        beaconMuteLatency = handleEventForBeacon(STARTING_OUTPUT);
+    }
+
     sp<AudioOutputDescriptor> outputDesc = mOutputs.valueAt(index);
 
     // increment usage count for this stream on the requested output:
@@ -1127,11 +1234,18 @@
     outputDesc->changeRefCount(stream, 1);
 
     if (outputDesc->mRefCount[stream] == 1) {
-        audio_devices_t newDevice = getNewOutputDevice(output, false /*fromCache*/);
+        // starting an output being rerouted?
+        audio_devices_t newDevice;
+        if (outputDesc->mPolicyMix != NULL) {
+            newDevice = AUDIO_DEVICE_OUT_REMOTE_SUBMIX;
+        } else {
+            newDevice = getNewOutputDevice(output, false /*fromCache*/);
+        }
         routing_strategy strategy = getStrategy(stream);
         bool shouldWait = (strategy == STRATEGY_SONIFICATION) ||
-                            (strategy == STRATEGY_SONIFICATION_RESPECTFUL);
-        uint32_t waitMs = 0;
+                            (strategy == STRATEGY_SONIFICATION_RESPECTFUL) ||
+                            (beaconMuteLatency > 0);
+        uint32_t waitMs = beaconMuteLatency;
         bool force = false;
         for (size_t i = 0; i < mOutputs.size(); i++) {
             sp<AudioOutputDescriptor> desc = mOutputs.valueAt(i);
@@ -1145,7 +1259,8 @@
                     force = true;
                 }
                 // wait for audio on other active outputs to be presented when starting
-                // a notification so that audio focus effect can propagate.
+                // a notification so that audio focus effect can propagate, or that a mute/unmute
+                // event occurred for beacon
                 uint32_t latency = desc->latency();
                 if (shouldWait && desc->isActive(latency * 2) && (waitMs < latency)) {
                     waitMs = latency;
@@ -1168,6 +1283,21 @@
         // update the outputs if starting an output with a stream that can affect notification
         // routing
         handleNotificationRoutingForStream(stream);
+
+        // Automatically enable the remote submix input when output is started on a re routing mix
+        // of type MIX_TYPE_RECORDERS
+        if (audio_is_remote_submix_device(newDevice) && outputDesc->mPolicyMix != NULL &&
+                outputDesc->mPolicyMix->mMixType == MIX_TYPE_RECORDERS) {
+                setDeviceConnectionStateInt(AUDIO_DEVICE_IN_REMOTE_SUBMIX,
+                        AUDIO_POLICY_DEVICE_STATE_AVAILABLE,
+                        outputDesc->mPolicyMix->mRegistrationId);
+        }
+
+        // force reevaluating accessibility routing when ringtone or alarm starts
+        if (strategy == STRATEGY_SONIFICATION) {
+            mpClientInterface->invalidateStream(AUDIO_STREAM_ACCESSIBILITY);
+        }
+
         if (waitMs > muteWaitMs) {
             usleep((waitMs - muteWaitMs) * 2 * 1000);
         }
@@ -1178,7 +1308,7 @@
 
 status_t AudioPolicyManager::stopOutput(audio_io_handle_t output,
                                             audio_stream_type_t stream,
-                                            int session)
+                                            audio_session_t session)
 {
     ALOGV("stopOutput() output %d, stream %d, session %d", output, stream, session);
     ssize_t index = mOutputs.indexOfKey(output);
@@ -1189,6 +1319,9 @@
 
     sp<AudioOutputDescriptor> outputDesc = mOutputs.valueAt(index);
 
+    // always handle stream stop, check which stream type is stopping
+    handleEventForBeacon(stream == AUDIO_STREAM_TTS ? STOPPING_BEACON : STOPPING_OUTPUT);
+
     // handle special case for sonification while in call
     if (isInCall()) {
         handleIncallSonification(stream, false, false);
@@ -1199,6 +1332,16 @@
         outputDesc->changeRefCount(stream, -1);
         // store time at which the stream was stopped - see isStreamActive()
         if (outputDesc->mRefCount[stream] == 0) {
+            // Automatically disable the remote submix input when output is stopped on a
+            // re routing mix of type MIX_TYPE_RECORDERS
+            if (audio_is_remote_submix_device(outputDesc->mDevice) &&
+                    outputDesc->mPolicyMix != NULL &&
+                    outputDesc->mPolicyMix->mMixType == MIX_TYPE_RECORDERS) {
+                setDeviceConnectionStateInt(AUDIO_DEVICE_IN_REMOTE_SUBMIX,
+                        AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE,
+                        outputDesc->mPolicyMix->mRegistrationId);
+            }
+
             outputDesc->mStopTime[stream] = systemTime();
             audio_devices_t newDevice = getNewOutputDevice(output, false /*fromCache*/);
             // delay the device switch by twice the latency because stopOutput() is executed when
@@ -1233,7 +1376,9 @@
     }
 }
 
-void AudioPolicyManager::releaseOutput(audio_io_handle_t output)
+void AudioPolicyManager::releaseOutput(audio_io_handle_t output,
+                                       audio_stream_type_t stream __unused,
+                                       audio_session_t session __unused)
 {
     ALOGV("releaseOutput() %d", output);
     ssize_t index = mOutputs.indexOfKey(output);
@@ -1276,79 +1421,115 @@
 }
 
 
-audio_io_handle_t AudioPolicyManager::getInput(audio_source_t inputSource,
-                                    uint32_t samplingRate,
-                                    audio_format_t format,
-                                    audio_channel_mask_t channelMask,
-                                    audio_session_t session,
-                                    audio_input_flags_t flags)
+status_t AudioPolicyManager::getInputForAttr(const audio_attributes_t *attr,
+                                             audio_io_handle_t *input,
+                                             audio_session_t session,
+                                             uint32_t samplingRate,
+                                             audio_format_t format,
+                                             audio_channel_mask_t channelMask,
+                                             audio_input_flags_t flags,
+                                             input_type_t *inputType)
 {
-    ALOGV("getInput() inputSource %d, samplingRate %d, format %d, channelMask %x, session %d, "
-          "flags %#x",
-          inputSource, samplingRate, format, channelMask, session, flags);
+    ALOGV("getInputForAttr() source %d, samplingRate %d, format %d, channelMask %x,"
+            "session %d, flags %#x",
+          attr->source, samplingRate, format, channelMask, session, flags);
 
-    audio_devices_t device = getDeviceForInputSource(inputSource);
-
-    if (device == AUDIO_DEVICE_NONE) {
-        ALOGW("getInput() could not find device for inputSource %d", inputSource);
-        return AUDIO_IO_HANDLE_NONE;
-    }
-
-    // adapt channel selection to input source
-    switch (inputSource) {
-    case AUDIO_SOURCE_VOICE_UPLINK:
-        channelMask = AUDIO_CHANNEL_IN_VOICE_UPLINK;
-        break;
-    case AUDIO_SOURCE_VOICE_DOWNLINK:
-        channelMask = AUDIO_CHANNEL_IN_VOICE_DNLINK;
-        break;
-    case AUDIO_SOURCE_VOICE_CALL:
-        channelMask = AUDIO_CHANNEL_IN_VOICE_UPLINK | AUDIO_CHANNEL_IN_VOICE_DNLINK;
-        break;
-    default:
-        break;
-    }
-
-    audio_io_handle_t input = AUDIO_IO_HANDLE_NONE;
+    *input = AUDIO_IO_HANDLE_NONE;
+    *inputType = API_INPUT_INVALID;
+    audio_devices_t device;
+    // handle legacy remote submix case where the address was not always specified
+    String8 address = String8("");
     bool isSoundTrigger = false;
-    audio_source_t halInputSource = inputSource;
-    if (inputSource == AUDIO_SOURCE_HOTWORD) {
-        ssize_t index = mSoundTriggerSessions.indexOfKey(session);
-        if (index >= 0) {
-            input = mSoundTriggerSessions.valueFor(session);
-            isSoundTrigger = true;
-            flags = (audio_input_flags_t)(flags | AUDIO_INPUT_FLAG_HW_HOTWORD);
-            ALOGV("SoundTrigger capture on session %d input %d", session, input);
+    audio_source_t halInputSource = attr->source;
+    AudioMix *policyMix = NULL;
+
+    if (attr->source == AUDIO_SOURCE_REMOTE_SUBMIX &&
+            strncmp(attr->tags, "addr=", strlen("addr=")) == 0) {
+        device = AUDIO_DEVICE_IN_REMOTE_SUBMIX;
+        address = String8(attr->tags + strlen("addr="));
+        ssize_t index = mPolicyMixes.indexOfKey(address);
+        if (index < 0) {
+            ALOGW("getInputForAttr() no policy for address %s", address.string());
+            return BAD_VALUE;
+        }
+        if (mPolicyMixes[index]->mMix.mMixType != MIX_TYPE_PLAYERS) {
+            ALOGW("getInputForAttr() bad policy mix type for address %s", address.string());
+            return BAD_VALUE;
+        }
+        policyMix = &mPolicyMixes[index]->mMix;
+        *inputType = API_INPUT_MIX_EXT_POLICY_REROUTE;
+    } else {
+        device = getDeviceAndMixForInputSource(attr->source, &policyMix);
+        if (device == AUDIO_DEVICE_NONE) {
+            ALOGW("getInputForAttr() could not find device for source %d", attr->source);
+            return BAD_VALUE;
+        }
+        if (policyMix != NULL) {
+            address = policyMix->mRegistrationId;
+            if (policyMix->mMixType == MIX_TYPE_RECORDERS) {
+                // there is an external policy, but this input is attached to a mix of recorders,
+                // meaning it receives audio injected into the framework, so the recorder doesn't
+                // know about it and is therefore considered "legacy"
+                *inputType = API_INPUT_LEGACY;
+            } else {
+                // recording a mix of players defined by an external policy, we're rerouting for
+                // an external policy
+                *inputType = API_INPUT_MIX_EXT_POLICY_REROUTE;
+            }
+        } else if (audio_is_remote_submix_device(device)) {
+            address = String8("0");
+            *inputType = API_INPUT_MIX_CAPTURE;
         } else {
-            halInputSource = AUDIO_SOURCE_VOICE_RECOGNITION;
+            *inputType = API_INPUT_LEGACY;
+        }
+        // adapt channel selection to input source
+        switch (attr->source) {
+        case AUDIO_SOURCE_VOICE_UPLINK:
+            channelMask = AUDIO_CHANNEL_IN_VOICE_UPLINK;
+            break;
+        case AUDIO_SOURCE_VOICE_DOWNLINK:
+            channelMask = AUDIO_CHANNEL_IN_VOICE_DNLINK;
+            break;
+        case AUDIO_SOURCE_VOICE_CALL:
+            channelMask = AUDIO_CHANNEL_IN_VOICE_UPLINK | AUDIO_CHANNEL_IN_VOICE_DNLINK;
+            break;
+        default:
+            break;
+        }
+        if (attr->source == AUDIO_SOURCE_HOTWORD) {
+            ssize_t index = mSoundTriggerSessions.indexOfKey(session);
+            if (index >= 0) {
+                *input = mSoundTriggerSessions.valueFor(session);
+                isSoundTrigger = true;
+                flags = (audio_input_flags_t)(flags | AUDIO_INPUT_FLAG_HW_HOTWORD);
+                ALOGV("SoundTrigger capture on session %d input %d", session, *input);
+            } else {
+                halInputSource = AUDIO_SOURCE_VOICE_RECOGNITION;
+            }
         }
     }
 
-    sp<IOProfile> profile = getInputProfile(device,
-                                         samplingRate,
-                                         format,
-                                         channelMask,
-                                         flags);
+    sp<IOProfile> profile = getInputProfile(device, address,
+                                            samplingRate, format, channelMask,
+                                            flags);
     if (profile == 0) {
         //retry without flags
         audio_input_flags_t log_flags = flags;
         flags = AUDIO_INPUT_FLAG_NONE;
-        profile = getInputProfile(device,
-                                 samplingRate,
-                                 format,
-                                 channelMask,
-                                 flags);
+        profile = getInputProfile(device, address,
+                                  samplingRate, format, channelMask,
+                                  flags);
         if (profile == 0) {
-            ALOGW("getInput() could not find profile for device 0x%X, samplingRate %u, format %#x, "
-                    "channelMask 0x%X, flags %#x",
+            ALOGW("getInputForAttr() could not find profile for device 0x%X, samplingRate %u,"
+                    "format %#x, channelMask 0x%X, flags %#x",
                     device, samplingRate, format, channelMask, log_flags);
-            return AUDIO_IO_HANDLE_NONE;
+            return BAD_VALUE;
         }
     }
 
     if (profile->mModule->mHandle == 0) {
-        ALOGE("getInput(): HW module %s not opened", profile->mModule->mName);
-        return AUDIO_IO_HANDLE_NONE;
+        ALOGE("getInputForAttr(): HW module %s not opened", profile->mModule->mName);
+        return NO_INIT;
     }
 
     audio_config_t config = AUDIO_CONFIG_INITIALIZER;
@@ -1357,28 +1538,28 @@
     config.format = format;
 
     status_t status = mpClientInterface->openInput(profile->mModule->mHandle,
-                                                   &input,
+                                                   input,
                                                    &config,
                                                    &device,
-                                                   String8(""),
+                                                   address,
                                                    halInputSource,
                                                    flags);
 
     // only accept input with the exact requested set of parameters
-    if (status != NO_ERROR ||
+    if (status != NO_ERROR || *input == AUDIO_IO_HANDLE_NONE ||
         (samplingRate != config.sample_rate) ||
         (format != config.format) ||
         (channelMask != config.channel_mask)) {
-        ALOGW("getInput() failed opening input: samplingRate %d, format %d, channelMask %x",
+        ALOGW("getInputForAttr() failed opening input: samplingRate %d, format %d, channelMask %x",
                 samplingRate, format, channelMask);
-        if (input != AUDIO_IO_HANDLE_NONE) {
-            mpClientInterface->closeInput(input);
+        if (*input != AUDIO_IO_HANDLE_NONE) {
+            mpClientInterface->closeInput(*input);
         }
-        return AUDIO_IO_HANDLE_NONE;
+        return BAD_VALUE;
     }
 
     sp<AudioInputDescriptor> inputDesc = new AudioInputDescriptor(profile);
-    inputDesc->mInputSource = inputSource;
+    inputDesc->mInputSource = attr->source;
     inputDesc->mRefCount = 0;
     inputDesc->mOpenRefCount = 1;
     inputDesc->mSamplingRate = samplingRate;
@@ -1387,10 +1568,13 @@
     inputDesc->mDevice = device;
     inputDesc->mSessions.add(session);
     inputDesc->mIsSoundTrigger = isSoundTrigger;
+    inputDesc->mPolicyMix = policyMix;
 
-    addInput(input, inputDesc);
+    ALOGV("getInputForAttr() returns input type = %d", inputType);
+
+    addInput(*input, inputDesc);
     mpClientInterface->onAudioPortListUpdate();
-    return input;
+    return NO_ERROR;
 }
 
 status_t AudioPolicyManager::startInput(audio_io_handle_t input,
@@ -1437,11 +1621,21 @@
         }
         setInputDevice(input, getNewInputDevice(input), true /* force */);
 
-        // Automatically enable the remote submix output when input is started.
+        // automatically enable the remote submix output when input is started if not
+        // used by a policy mix of type MIX_TYPE_RECORDERS
         // For remote submix (a virtual device), we open only one input per capture request.
         if (audio_is_remote_submix_device(inputDesc->mDevice)) {
-            setDeviceConnectionState(AUDIO_DEVICE_OUT_REMOTE_SUBMIX,
-                    AUDIO_POLICY_DEVICE_STATE_AVAILABLE, AUDIO_REMOTE_SUBMIX_DEVICE_ADDRESS);
+            String8 address = String8("");
+            if (inputDesc->mPolicyMix == NULL) {
+                address = String8("0");
+            } else if (inputDesc->mPolicyMix->mMixType == MIX_TYPE_PLAYERS) {
+                address = inputDesc->mPolicyMix->mRegistrationId;
+            }
+            if (address != "") {
+                setDeviceConnectionStateInt(AUDIO_DEVICE_OUT_REMOTE_SUBMIX,
+                        AUDIO_POLICY_DEVICE_STATE_AVAILABLE,
+                        address);
+            }
         }
     }
 
@@ -1476,10 +1670,20 @@
     inputDesc->mRefCount--;
     if (inputDesc->mRefCount == 0) {
 
-        // automatically disable the remote submix output when input is stopped
+        // automatically disable the remote submix output when input is stopped if not
+        // used by a policy mix of type MIX_TYPE_RECORDERS
         if (audio_is_remote_submix_device(inputDesc->mDevice)) {
-            setDeviceConnectionState(AUDIO_DEVICE_OUT_REMOTE_SUBMIX,
-                    AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE, AUDIO_REMOTE_SUBMIX_DEVICE_ADDRESS);
+            String8 address = String8("");
+            if (inputDesc->mPolicyMix == NULL) {
+                address = String8("0");
+            } else if (inputDesc->mPolicyMix->mMixType == MIX_TYPE_PLAYERS) {
+                address = inputDesc->mPolicyMix->mRegistrationId;
+            }
+            if (address != "") {
+                setDeviceConnectionStateInt(AUDIO_DEVICE_OUT_REMOTE_SUBMIX,
+                                         AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE,
+                                         address);
+            }
         }
 
         resetInputDevice(input);
@@ -1557,6 +1761,11 @@
     }
     mStreams[stream].mIndexMin = indexMin;
     mStreams[stream].mIndexMax = indexMax;
+    //FIXME: AUDIO_STREAM_ACCESSIBILITY volume follows AUDIO_STREAM_MUSIC for now
+    if (stream == AUDIO_STREAM_MUSIC) {
+        mStreams[AUDIO_STREAM_ACCESSIBILITY].mIndexMin = indexMin;
+        mStreams[AUDIO_STREAM_ACCESSIBILITY].mIndexMax = indexMax;
+    }
 }
 
 status_t AudioPolicyManager::setStreamVolumeIndex(audio_stream_type_t stream,
@@ -1584,17 +1793,35 @@
     }
     mStreams[stream].mIndexCur.add(device, index);
 
-    // compute and apply stream volume on all outputs according to connected device
+    // update volume on all outputs whose current device is also selected by the same
+    // strategy as the device specified by the caller
+    audio_devices_t strategyDevice = getDeviceForStrategy(getStrategy(stream), true /*fromCache*/);
+
+
+    //FIXME: AUDIO_STREAM_ACCESSIBILITY volume follows AUDIO_STREAM_MUSIC for now
+    audio_devices_t accessibilityDevice = AUDIO_DEVICE_NONE;
+    if (stream == AUDIO_STREAM_MUSIC) {
+        mStreams[AUDIO_STREAM_ACCESSIBILITY].mIndexCur.add(device, index);
+        accessibilityDevice = getDeviceForStrategy(STRATEGY_ACCESSIBILITY, true /*fromCache*/);
+    }
+    if ((device != AUDIO_DEVICE_OUT_DEFAULT) &&
+            (device & (strategyDevice | accessibilityDevice)) == 0) {
+        return NO_ERROR;
+    }
     status_t status = NO_ERROR;
     for (size_t i = 0; i < mOutputs.size(); i++) {
         audio_devices_t curDevice =
                 getDeviceForVolume(mOutputs.valueAt(i)->device());
-        if ((device == AUDIO_DEVICE_OUT_DEFAULT) || (device == curDevice)) {
+        if ((device == AUDIO_DEVICE_OUT_DEFAULT) || ((curDevice & strategyDevice) != 0)) {
             status_t volStatus = checkAndSetVolume(stream, index, mOutputs.keyAt(i), curDevice);
             if (volStatus != NO_ERROR) {
                 status = volStatus;
             }
         }
+        if ((device == AUDIO_DEVICE_OUT_DEFAULT) || ((curDevice & accessibilityDevice) != 0)) {
+            status_t volStatus = checkAndSetVolume(AUDIO_STREAM_ACCESSIBILITY,
+                                                   index, mOutputs.keyAt(i), curDevice);
+        }
     }
     return status;
 }
@@ -1814,7 +2041,11 @@
         const sp<AudioOutputDescriptor> outputDesc = mOutputs.valueAt(i);
         if (((outputDesc->device() & APM_AUDIO_OUT_DEVICE_REMOTE_ALL) != 0) &&
                 outputDesc->isStreamActive(stream, inPastMs, sysTime)) {
-            return true;
+            // do not consider re routing (when the output is going to a dynamic policy)
+            // as "remote playback"
+            if (outputDesc->mPolicyMix == NULL) {
+                return true;
+            }
         }
     }
     return false;
@@ -1824,16 +2055,148 @@
 {
     for (size_t i = 0; i < mInputs.size(); i++) {
         const sp<AudioInputDescriptor>  inputDescriptor = mInputs.valueAt(i);
-        if ((inputDescriptor->mInputSource == (int)source ||
-                (source == AUDIO_SOURCE_VOICE_RECOGNITION &&
-                 inputDescriptor->mInputSource == AUDIO_SOURCE_HOTWORD))
-             && (inputDescriptor->mRefCount > 0)) {
+        if (inputDescriptor->mRefCount == 0) {
+            continue;
+        }
+        if (inputDescriptor->mInputSource == (int)source) {
             return true;
         }
+        // AUDIO_SOURCE_HOTWORD is equivalent to AUDIO_SOURCE_VOICE_RECOGNITION only if it
+        // corresponds to an active capture triggered by a hardware hotword recognition
+        if ((source == AUDIO_SOURCE_VOICE_RECOGNITION) &&
+                 (inputDescriptor->mInputSource == AUDIO_SOURCE_HOTWORD)) {
+            // FIXME: we should not assume that the first session is the active one and keep
+            // activity count per session. Same in startInput().
+            ssize_t index = mSoundTriggerSessions.indexOfKey(inputDescriptor->mSessions.itemAt(0));
+            if (index >= 0) {
+                return true;
+            }
+        }
     }
     return false;
 }
 
+// Register a list of custom mixes with their attributes and format.
+// When a mix is registered, corresponding input and output profiles are
+// added to the remote submix hw module. The profile contains only the
+// parameters (sampling rate, format...) specified by the mix.
+// The corresponding input remote submix device is also connected.
+//
+// When a remote submix device is connected, the address is checked to select the
+// appropriate profile and the corresponding input or output stream is opened.
+//
+// When capture starts, getInputForAttr() will:
+//  - 1 look for a mix matching the address passed in attribtutes tags if any
+//  - 2 if none found, getDeviceForInputSource() will:
+//     - 2.1 look for a mix matching the attributes source
+//     - 2.2 if none found, default to device selection by policy rules
+// At this time, the corresponding output remote submix device is also connected
+// and active playback use cases can be transferred to this mix if needed when reconnecting
+// after AudioTracks are invalidated
+//
+// When playback starts, getOutputForAttr() will:
+//  - 1 look for a mix matching the address passed in attribtutes tags if any
+//  - 2 if none found, look for a mix matching the attributes usage
+//  - 3 if none found, default to device and output selection by policy rules.
+
+status_t AudioPolicyManager::registerPolicyMixes(Vector<AudioMix> mixes)
+{
+    sp<HwModule> module;
+    for (size_t i = 0; i < mHwModules.size(); i++) {
+        if (strcmp(AUDIO_HARDWARE_MODULE_ID_REMOTE_SUBMIX, mHwModules[i]->mName) == 0 &&
+                mHwModules[i]->mHandle != 0) {
+            module = mHwModules[i];
+            break;
+        }
+    }
+
+    if (module == 0) {
+        return INVALID_OPERATION;
+    }
+
+    ALOGV("registerPolicyMixes() num mixes %d", mixes.size());
+
+    for (size_t i = 0; i < mixes.size(); i++) {
+        String8 address = mixes[i].mRegistrationId;
+        ssize_t index = mPolicyMixes.indexOfKey(address);
+        if (index >= 0) {
+            ALOGE("registerPolicyMixes(): mix for address %s already registered", address.string());
+            continue;
+        }
+        audio_config_t outputConfig = mixes[i].mFormat;
+        audio_config_t inputConfig = mixes[i].mFormat;
+        // NOTE: audio flinger mixer does not support mono output: configure remote submix HAL in
+        // stereo and let audio flinger do the channel conversion if needed.
+        outputConfig.channel_mask = AUDIO_CHANNEL_OUT_STEREO;
+        inputConfig.channel_mask = AUDIO_CHANNEL_IN_STEREO;
+        module->addOutputProfile(address, &outputConfig,
+                                 AUDIO_DEVICE_OUT_REMOTE_SUBMIX, address);
+        module->addInputProfile(address, &inputConfig,
+                                 AUDIO_DEVICE_IN_REMOTE_SUBMIX, address);
+        sp<AudioPolicyMix> policyMix = new AudioPolicyMix();
+        policyMix->mMix = mixes[i];
+        mPolicyMixes.add(address, policyMix);
+        if (mixes[i].mMixType == MIX_TYPE_PLAYERS) {
+            setDeviceConnectionStateInt(AUDIO_DEVICE_IN_REMOTE_SUBMIX,
+                                     AUDIO_POLICY_DEVICE_STATE_AVAILABLE,
+                                     address.string());
+        } else {
+            setDeviceConnectionStateInt(AUDIO_DEVICE_OUT_REMOTE_SUBMIX,
+                                     AUDIO_POLICY_DEVICE_STATE_AVAILABLE,
+                                     address.string());
+        }
+    }
+    return NO_ERROR;
+}
+
+status_t AudioPolicyManager::unregisterPolicyMixes(Vector<AudioMix> mixes)
+{
+    sp<HwModule> module;
+    for (size_t i = 0; i < mHwModules.size(); i++) {
+        if (strcmp(AUDIO_HARDWARE_MODULE_ID_REMOTE_SUBMIX, mHwModules[i]->mName) == 0 &&
+                mHwModules[i]->mHandle != 0) {
+            module = mHwModules[i];
+            break;
+        }
+    }
+
+    if (module == 0) {
+        return INVALID_OPERATION;
+    }
+
+    ALOGV("unregisterPolicyMixes() num mixes %d", mixes.size());
+
+    for (size_t i = 0; i < mixes.size(); i++) {
+        String8 address = mixes[i].mRegistrationId;
+        ssize_t index = mPolicyMixes.indexOfKey(address);
+        if (index < 0) {
+            ALOGE("unregisterPolicyMixes(): mix for address %s not registered", address.string());
+            continue;
+        }
+
+        mPolicyMixes.removeItemsAt(index);
+
+        if (getDeviceConnectionState(AUDIO_DEVICE_IN_REMOTE_SUBMIX, address.string()) ==
+                                             AUDIO_POLICY_DEVICE_STATE_AVAILABLE)
+        {
+            setDeviceConnectionStateInt(AUDIO_DEVICE_IN_REMOTE_SUBMIX,
+                                     AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE,
+                                     address.string());
+        }
+
+        if (getDeviceConnectionState(AUDIO_DEVICE_OUT_REMOTE_SUBMIX, address.string()) ==
+                                             AUDIO_POLICY_DEVICE_STATE_AVAILABLE)
+        {
+            setDeviceConnectionStateInt(AUDIO_DEVICE_OUT_REMOTE_SUBMIX,
+                                     AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE,
+                                     address.string());
+        }
+        module->removeOutputProfile(address);
+        module->removeInputProfile(address);
+    }
+    return NO_ERROR;
+}
+
 
 status_t AudioPolicyManager::dump(int fd)
 {
@@ -2234,6 +2597,7 @@
             }
 
             if (!outputDesc->mProfile->isCompatibleProfile(devDesc->mDeviceType,
+                                                           devDesc->mAddress,
                                                            patch->sources[0].sample_rate,
                                                          NULL,  // updatedSamplingRate
                                                          patch->sources[0].format,
@@ -2288,13 +2652,14 @@
             }
 
             if (!inputDesc->mProfile->isCompatibleProfile(devDesc->mDeviceType,
-                                                         patch->sinks[0].sample_rate,
-                                                         NULL, /*updatedSampleRate*/
-                                                         patch->sinks[0].format,
-                                                         patch->sinks[0].channel_mask,
-                                                         // FIXME for the parameter type,
-                                                         // and the NONE
-                                                         (audio_output_flags_t)
+                                                          devDesc->mAddress,
+                                                          patch->sinks[0].sample_rate,
+                                                          NULL, /*updatedSampleRate*/
+                                                          patch->sinks[0].format,
+                                                          patch->sinks[0].channel_mask,
+                                                          // FIXME for the parameter type,
+                                                          // and the NONE
+                                                          (audio_output_flags_t)
                                                             AUDIO_INPUT_FLAG_NONE)) {
                 return INVALID_OPERATION;
             }
@@ -2561,13 +2926,10 @@
 
 void AudioPolicyManager::clearAudioPatches(uid_t uid)
 {
-    for (ssize_t i = 0; i < (ssize_t)mAudioPatches.size(); i++)  {
+    for (ssize_t i = (ssize_t)mAudioPatches.size() - 1; i >= 0; i--)  {
         sp<AudioPatch> patchDesc = mAudioPatches.valueAt(i);
         if (patchDesc->mUid == uid) {
-            // releaseAudioPatch() removes the patch from mAudioPatches
-            if (releaseAudioPatch(mAudioPatches.keyAt(i), uid) == NO_ERROR) {
-                i--;
-            }
+            releaseAudioPatch(mAudioPatches.keyAt(i), uid);
         }
     }
 }
@@ -2578,7 +2940,7 @@
 {
     *session = (audio_session_t)mpClientInterface->newAudioUniqueId();
     *ioHandle = (audio_io_handle_t)mpClientInterface->newAudioUniqueId();
-    *device = getDeviceForInputSource(AUDIO_SOURCE_HOTWORD);
+    *device = getDeviceAndMixForInputSource(AUDIO_SOURCE_HOTWORD);
 
     mSoundTriggerSessions.add(*session, *ioHandle);
 
@@ -2653,7 +3015,10 @@
     mTotalEffectsCpuLoad(0), mTotalEffectsMemory(0),
     mA2dpSuspended(false),
     mSpeakerDrcEnabled(false), mNextUniqueId(1),
-    mAudioPortGeneration(1)
+    mAudioPortGeneration(1),
+    mBeaconMuteRefCount(0),
+    mBeaconPlayingRefCount(0),
+    mBeaconMuted(false)
 {
     mUidCached = getuid();
     mpClientInterface = clientInterface;
@@ -2787,6 +3152,14 @@
             inputDesc->mInputSource = AUDIO_SOURCE_MIC;
             inputDesc->mDevice = profileType;
 
+            // find the address
+            DeviceVector inputDevices = mAvailableInputDevices.getDevicesFromType(profileType);
+            //   the inputs vector must be of size 1, but we don't want to crash here
+            String8 address = inputDevices.size() > 0 ? inputDevices.itemAt(0)->mAddress
+                    : String8("");
+            ALOGV("  for input device 0x%x using address %s", profileType, address.string());
+            ALOGE_IF(inputDevices.size() == 0, "Input device list is empty!");
+
             audio_config_t config = AUDIO_CONFIG_INITIALIZER;
             config.sample_rate = inputDesc->mSamplingRate;
             config.channel_mask = inputDesc->mChannelMask;
@@ -2796,7 +3169,7 @@
                                                            &input,
                                                            &config,
                                                            &inputDesc->mDevice,
-                                                           String8(""),
+                                                           address,
                                                            AUDIO_SOURCE_MIC,
                                                            AUDIO_INPUT_FLAG_NONE);
 
@@ -3128,9 +3501,13 @@
             }
             for (size_t j = 0; j < mHwModules[i]->mOutputProfiles.size(); j++)
             {
-                if (mHwModules[i]->mOutputProfiles[j]->mSupportedDevices.types() & device) {
-                    ALOGV("checkOutputsForDevice(): adding profile %zu from module %zu", j, i);
-                    profiles.add(mHwModules[i]->mOutputProfiles[j]);
+                sp<IOProfile> profile = mHwModules[i]->mOutputProfiles[j];
+                if (profile->mSupportedDevices.types() & device) {
+                    if (!deviceDistinguishesOnAddress(device) ||
+                            address == profile->mSupportedDevices[0]->mAddress) {
+                        profiles.add(profile);
+                        ALOGV("checkOutputsForDevice(): adding profile %zu from module %zu", j, i);
+                    }
                 }
             }
         }
@@ -3262,7 +3639,18 @@
 
                 if (output != AUDIO_IO_HANDLE_NONE) {
                     addOutput(output, desc);
-                    if ((desc->mFlags & AUDIO_OUTPUT_FLAG_DIRECT) == 0) {
+                    if (deviceDistinguishesOnAddress(device) && address != "0") {
+                        ssize_t index = mPolicyMixes.indexOfKey(address);
+                        if (index >= 0) {
+                            mPolicyMixes[index]->mOutput = desc;
+                            desc->mPolicyMix = &mPolicyMixes[index]->mMix;
+                        } else {
+                            ALOGE("checkOutputsForDevice() cannot find policy for address %s",
+                                  address.string());
+                        }
+                    } else if ((desc->mFlags & AUDIO_OUTPUT_FLAG_DIRECT) == 0) {
+                        // no duplicated output for direct outputs and
+                        // outputs used by dynamic policy mixes
                         audio_io_handle_t duplicatedOutput = AUDIO_IO_HANDLE_NONE;
 
                         // set initial stream volume for device
@@ -3325,15 +3713,15 @@
         for (size_t i = 0; i < mOutputs.size(); i++) {
             desc = mOutputs.valueAt(i);
             if (!desc->isDuplicated()) {
-                if  (!(desc->mProfile->mSupportedDevices.types()
+                // exact match on device
+                if (deviceDistinguishesOnAddress(device) &&
+                        (desc->mProfile->mSupportedDevices.types() == device)) {
+                    findIoHandlesByAddress(desc, address, outputs);
+                } else if (!(desc->mProfile->mSupportedDevices.types()
                         & mAvailableOutputDevices.types())) {
                     ALOGV("checkOutputsForDevice(): disconnecting adding output %d",
                             mOutputs.keyAt(i));
                     outputs.add(mOutputs.keyAt(i));
-                } else if (deviceDistinguishesOnAddress(device) &&
-                        // exact match on device
-                        (desc->mProfile->mSupportedDevices.types() == device)) {
-                    findIoHandlesByAddress(desc, address, outputs);
                 }
             }
         }
@@ -3395,11 +3783,15 @@
                  profile_index < mHwModules[module_idx]->mInputProfiles.size();
                  profile_index++)
             {
-                if (mHwModules[module_idx]->mInputProfiles[profile_index]->mSupportedDevices.types()
-                        & (device & ~AUDIO_DEVICE_BIT_IN)) {
-                    ALOGV("checkInputsForDevice(): adding profile %zu from module %zu",
-                          profile_index, module_idx);
-                    profiles.add(mHwModules[module_idx]->mInputProfiles[profile_index]);
+                sp<IOProfile> profile = mHwModules[module_idx]->mInputProfiles[profile_index];
+
+                if (profile->mSupportedDevices.types() & (device & ~AUDIO_DEVICE_BIT_IN)) {
+                    if (!deviceDistinguishesOnAddress(device) ||
+                            address == profile->mSupportedDevices[0]->mAddress) {
+                        profiles.add(profile);
+                        ALOGV("checkInputsForDevice(): adding profile %zu from module %zu",
+                              profile_index, module_idx);
+                    }
                 }
             }
         }
@@ -3517,7 +3909,8 @@
         // check if one opened input is not needed any more after disconnecting one device
         for (size_t input_index = 0; input_index < mInputs.size(); input_index++) {
             desc = mInputs.valueAt(input_index);
-            if (!(desc->mProfile->mSupportedDevices.types() & mAvailableInputDevices.types())) {
+            if (!(desc->mProfile->mSupportedDevices.types() & mAvailableInputDevices.types() &
+                    ~AUDIO_DEVICE_BIT_IN)) {
                 ALOGV("checkInputsForDevice(): disconnecting adding input %d",
                       mInputs.keyAt(input_index));
                 inputs.add(mInputs.keyAt(input_index));
@@ -3532,7 +3925,7 @@
                  profile_index < mHwModules[module_index]->mInputProfiles.size();
                  profile_index++) {
                 sp<IOProfile> profile = mHwModules[module_index]->mInputProfiles[profile_index];
-                if (profile->mSupportedDevices.types() & device) {
+                if (profile->mSupportedDevices.types() & device & ~AUDIO_DEVICE_BIT_IN) {
                     ALOGV("checkInputsForDevice(): clearing direct input profile %zu on module %zu",
                           profile_index, module_index);
                     if (profile->mSamplingRates[0] == 0) {
@@ -3566,6 +3959,12 @@
         return;
     }
 
+    for (size_t i = 0; i < mPolicyMixes.size(); i++) {
+        if (mPolicyMixes[i]->mOutput == outputDesc) {
+            mPolicyMixes[i]->mOutput.clear();
+        }
+    }
+
     // look for duplicated outputs connected to the output being removed.
     for (size_t i = 0; i < mOutputs.size(); i++) {
         sp<AudioOutputDescriptor> dupOutputDesc = mOutputs.valueAt(i);
@@ -3675,6 +4074,24 @@
     SortedVector<audio_io_handle_t> srcOutputs = getOutputsForDevice(oldDevice, mPreviousOutputs);
     SortedVector<audio_io_handle_t> dstOutputs = getOutputsForDevice(newDevice, mOutputs);
 
+    // also take into account external policy-related changes: add all outputs which are
+    // associated with policies in the "before" and "after" output vectors
+    ALOGVV("checkOutputForStrategy(): policy related outputs");
+    for (size_t i = 0 ; i < mPreviousOutputs.size() ; i++) {
+        const sp<AudioOutputDescriptor> desc = mPreviousOutputs.valueAt(i);
+        if (desc != 0 && desc->mPolicyMix != NULL) {
+            srcOutputs.add(desc->mIoHandle);
+            ALOGVV(" previous outputs: adding %d", desc->mIoHandle);
+        }
+    }
+    for (size_t i = 0 ; i < mOutputs.size() ; i++) {
+        const sp<AudioOutputDescriptor> desc = mOutputs.valueAt(i);
+        if (desc != 0 && desc->mPolicyMix != NULL) {
+            dstOutputs.add(desc->mIoHandle);
+            ALOGVV(" new outputs: adding %d", desc->mIoHandle);
+        }
+    }
+
     if (!vectorsEqual(srcOutputs,dstOutputs)) {
         ALOGV("checkOutputForStrategy() strategy %d, moving from output %d to output %d",
               strategy, srcOutputs[0], dstOutputs[0]);
@@ -3708,6 +4125,9 @@
         }
         // Move tracks associated to this strategy from previous output to new output
         for (int i = 0; i < AUDIO_STREAM_CNT; i++) {
+            if (i == AUDIO_STREAM_PATCH) {
+                continue;
+            }
             if (getStrategy((audio_stream_type_t)i) == strategy) {
                 mpClientInterface->invalidateStream((audio_stream_type_t)i);
             }
@@ -3724,8 +4144,10 @@
         checkOutputForStrategy(STRATEGY_ENFORCED_AUDIBLE);
     checkOutputForStrategy(STRATEGY_SONIFICATION);
     checkOutputForStrategy(STRATEGY_SONIFICATION_RESPECTFUL);
+    checkOutputForStrategy(STRATEGY_ACCESSIBILITY);
     checkOutputForStrategy(STRATEGY_MEDIA);
     checkOutputForStrategy(STRATEGY_DTMF);
+    checkOutputForStrategy(STRATEGY_REROUTING);
 }
 
 audio_io_handle_t AudioPolicyManager::getA2dpOutput()
@@ -3749,7 +4171,9 @@
     }
 
     bool isScoConnected =
-            (mAvailableInputDevices.types() & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET) != 0;
+            ((mAvailableInputDevices.types() & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET &
+                    ~AUDIO_DEVICE_BIT_IN) != 0) ||
+            ((mAvailableOutputDevices.types() & AUDIO_DEVICE_OUT_ALL_SCO) != 0);
     // suspend A2DP output if:
     //      (NOT already suspended) &&
     //      ((SCO device is connected &&
@@ -3812,10 +4236,14 @@
     //      use device for strategy sonification
     // 5: the strategy "respectful" sonification is active on the output:
     //      use device for strategy "respectful" sonification
-    // 6: the strategy media is active on the output:
+    // 6: the strategy accessibility is active on the output:
+    //      use device for strategy accessibility
+    // 7: the strategy media is active on the output:
     //      use device for strategy media
-    // 7: the strategy DTMF is active on the output:
+    // 8: the strategy DTMF is active on the output:
     //      use device for strategy DTMF
+    // 9: the strategy for beacon, a.k.a. "transmitted through speaker" is active on the output:
+    //      use device for strategy t-t-s
     if (outputDesc->isStrategyActive(STRATEGY_ENFORCED_AUDIBLE) &&
         mForceUse[AUDIO_POLICY_FORCE_FOR_SYSTEM] == AUDIO_POLICY_FORCE_SYSTEM_ENFORCED) {
         device = getDeviceForStrategy(STRATEGY_ENFORCED_AUDIBLE, fromCache);
@@ -3828,10 +4256,16 @@
         device = getDeviceForStrategy(STRATEGY_SONIFICATION, fromCache);
     } else if (outputDesc->isStrategyActive(STRATEGY_SONIFICATION_RESPECTFUL)) {
         device = getDeviceForStrategy(STRATEGY_SONIFICATION_RESPECTFUL, fromCache);
+    } else if (outputDesc->isStrategyActive(STRATEGY_ACCESSIBILITY)) {
+        device = getDeviceForStrategy(STRATEGY_ACCESSIBILITY, fromCache);
     } else if (outputDesc->isStrategyActive(STRATEGY_MEDIA)) {
         device = getDeviceForStrategy(STRATEGY_MEDIA, fromCache);
     } else if (outputDesc->isStrategyActive(STRATEGY_DTMF)) {
         device = getDeviceForStrategy(STRATEGY_DTMF, fromCache);
+    } else if (outputDesc->isStrategyActive(STRATEGY_TRANSMITTED_THROUGH_SPEAKER)) {
+        device = getDeviceForStrategy(STRATEGY_TRANSMITTED_THROUGH_SPEAKER, fromCache);
+    } else if (outputDesc->isStrategyActive(STRATEGY_REROUTING)) {
+        device = getDeviceForStrategy(STRATEGY_REROUTING, fromCache);
     }
 
     ALOGV("getNewOutputDevice() selected device %x", device);
@@ -3852,7 +4286,7 @@
         }
     }
 
-    audio_devices_t device = getDeviceForInputSource(inputDesc->mInputSource);
+    audio_devices_t device = getDeviceAndMixForInputSource(inputDesc->mInputSource);
 
     ALOGV("getNewInputDevice() selected device %x", device);
     return device;
@@ -3866,7 +4300,7 @@
     // By checking the range of stream before calling getStrategy, we avoid
     // getStrategy's behavior for invalid streams.  getStrategy would do a ALOGE
     // and then return STRATEGY_MEDIA, but we want to return the empty set.
-    if (stream < (audio_stream_type_t) 0 || stream >= AUDIO_STREAM_CNT) {
+    if (stream < (audio_stream_type_t) 0 || stream >= AUDIO_STREAM_PUBLIC_CNT) {
         return AUDIO_DEVICE_NONE;
     }
     audio_devices_t devices;
@@ -3893,6 +4327,9 @@
 
 AudioPolicyManager::routing_strategy AudioPolicyManager::getStrategy(
         audio_stream_type_t stream) {
+
+    ALOG_ASSERT(stream != AUDIO_STREAM_PATCH,"getStrategy() called for AUDIO_STREAM_PATCH");
+
     // stream to strategy mapping
     switch (stream) {
     case AUDIO_STREAM_VOICE_CALL:
@@ -3906,29 +4343,45 @@
     case AUDIO_STREAM_DTMF:
         return STRATEGY_DTMF;
     default:
-        ALOGE("unknown stream type");
+        ALOGE("unknown stream type %d", stream);
     case AUDIO_STREAM_SYSTEM:
         // NOTE: SYSTEM stream uses MEDIA strategy because muting music and switching outputs
         // while key clicks are played produces a poor result
-    case AUDIO_STREAM_TTS:
     case AUDIO_STREAM_MUSIC:
         return STRATEGY_MEDIA;
     case AUDIO_STREAM_ENFORCED_AUDIBLE:
         return STRATEGY_ENFORCED_AUDIBLE;
+    case AUDIO_STREAM_TTS:
+        return STRATEGY_TRANSMITTED_THROUGH_SPEAKER;
+    case AUDIO_STREAM_ACCESSIBILITY:
+        return STRATEGY_ACCESSIBILITY;
+    case AUDIO_STREAM_REROUTING:
+        return STRATEGY_REROUTING;
     }
 }
 
 uint32_t AudioPolicyManager::getStrategyForAttr(const audio_attributes_t *attr) {
     // flags to strategy mapping
+    if ((attr->flags & AUDIO_FLAG_BEACON) == AUDIO_FLAG_BEACON) {
+        return (uint32_t) STRATEGY_TRANSMITTED_THROUGH_SPEAKER;
+    }
     if ((attr->flags & AUDIO_FLAG_AUDIBILITY_ENFORCED) == AUDIO_FLAG_AUDIBILITY_ENFORCED) {
         return (uint32_t) STRATEGY_ENFORCED_AUDIBLE;
     }
 
     // usage to strategy mapping
     switch (attr->usage) {
+    case AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY:
+        if (isStreamActive(AUDIO_STREAM_RING) || isStreamActive(AUDIO_STREAM_ALARM)) {
+            return (uint32_t) STRATEGY_SONIFICATION;
+        }
+        if (isInCall()) {
+            return (uint32_t) STRATEGY_PHONE;
+        }
+        return (uint32_t) STRATEGY_ACCESSIBILITY;
+
     case AUDIO_USAGE_MEDIA:
     case AUDIO_USAGE_GAME:
-    case AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY:
     case AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE:
     case AUDIO_USAGE_ASSISTANCE_SONIFICATION:
         return (uint32_t) STRATEGY_MEDIA;
@@ -3967,6 +4420,74 @@
     }
 }
 
+bool AudioPolicyManager::isAnyOutputActive(audio_stream_type_t streamToIgnore) {
+    for (size_t s = 0 ; s < AUDIO_STREAM_CNT ; s++) {
+        if (s == (size_t) streamToIgnore) {
+            continue;
+        }
+        for (size_t i = 0; i < mOutputs.size(); i++) {
+            const sp<AudioOutputDescriptor> outputDesc = mOutputs.valueAt(i);
+            if (outputDesc->mRefCount[s] != 0) {
+                return true;
+            }
+        }
+    }
+    return false;
+}
+
+uint32_t AudioPolicyManager::handleEventForBeacon(int event) {
+    switch(event) {
+    case STARTING_OUTPUT:
+        mBeaconMuteRefCount++;
+        break;
+    case STOPPING_OUTPUT:
+        if (mBeaconMuteRefCount > 0) {
+            mBeaconMuteRefCount--;
+        }
+        break;
+    case STARTING_BEACON:
+        mBeaconPlayingRefCount++;
+        break;
+    case STOPPING_BEACON:
+        if (mBeaconPlayingRefCount > 0) {
+            mBeaconPlayingRefCount--;
+        }
+        break;
+    }
+
+    if (mBeaconMuteRefCount > 0) {
+        // any playback causes beacon to be muted
+        return setBeaconMute(true);
+    } else {
+        // no other playback: unmute when beacon starts playing, mute when it stops
+        return setBeaconMute(mBeaconPlayingRefCount == 0);
+    }
+}
+
+uint32_t AudioPolicyManager::setBeaconMute(bool mute) {
+    ALOGV("setBeaconMute(%d) mBeaconMuteRefCount=%d mBeaconPlayingRefCount=%d",
+            mute, mBeaconMuteRefCount, mBeaconPlayingRefCount);
+    // keep track of muted state to avoid repeating mute/unmute operations
+    if (mBeaconMuted != mute) {
+        // mute/unmute AUDIO_STREAM_TTS on all outputs
+        ALOGV("\t muting %d", mute);
+        uint32_t maxLatency = 0;
+        for (size_t i = 0; i < mOutputs.size(); i++) {
+            sp<AudioOutputDescriptor> desc = mOutputs.valueAt(i);
+            setStreamMute(AUDIO_STREAM_TTS, mute/*on*/,
+                    desc->mIoHandle,
+                    0 /*delay*/, AUDIO_DEVICE_NONE);
+            const uint32_t latency = desc->latency() * 2;
+            if (latency > maxLatency) {
+                maxLatency = latency;
+            }
+        }
+        mBeaconMuted = mute;
+        return maxLatency;
+    }
+    return 0;
+}
+
 audio_devices_t AudioPolicyManager::getDeviceForStrategy(routing_strategy strategy,
                                                              bool fromCache)
 {
@@ -3980,6 +4501,14 @@
     audio_devices_t availableOutputDeviceTypes = mAvailableOutputDevices.types();
     switch (strategy) {
 
+    case STRATEGY_TRANSMITTED_THROUGH_SPEAKER:
+        device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_SPEAKER;
+        if (!device) {
+            ALOGE("getDeviceForStrategy() no device found for "\
+                    "STRATEGY_TRANSMITTED_THROUGH_SPEAKER");
+        }
+        break;
+
     case STRATEGY_SONIFICATION_RESPECTFUL:
         if (isInCall()) {
             device = getDeviceForStrategy(STRATEGY_SONIFICATION, false /*fromCache*/);
@@ -4023,7 +4552,8 @@
         //   - cannot route from voice call RX OR
         //   - audio HAL version is < 3.0 and TX device is on the primary HW module
         if (mPhoneState == AUDIO_MODE_IN_CALL) {
-            audio_devices_t txDevice = getDeviceForInputSource(AUDIO_SOURCE_VOICE_COMMUNICATION);
+            audio_devices_t txDevice =
+                    getDeviceAndMixForInputSource(AUDIO_SOURCE_VOICE_COMMUNICATION);
             sp<AudioOutputDescriptor> hwOutputDesc = mOutputs.valueFor(mPrimaryOutput);
             if (((mAvailableInputDevices.types() &
                     AUDIO_DEVICE_IN_TELEPHONY_RX & ~AUDIO_DEVICE_BIT_IN) == 0) ||
@@ -4052,7 +4582,7 @@
             // when not in a phone call, phone strategy should route STREAM_VOICE_CALL to A2DP
             if (!isInCall() &&
                     (mForceUse[AUDIO_POLICY_FORCE_FOR_MEDIA] != AUDIO_POLICY_FORCE_NO_BT_A2DP) &&
-                    (getA2dpOutput() != 0) && !mA2dpSuspended) {
+                    (getA2dpOutput() != 0)) {
                 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP;
                 if (device) break;
                 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES;
@@ -4087,11 +4617,11 @@
             // A2DP speaker when forcing to speaker output
             if (!isInCall() &&
                     (mForceUse[AUDIO_POLICY_FORCE_FOR_MEDIA] != AUDIO_POLICY_FORCE_NO_BT_A2DP) &&
-                    (getA2dpOutput() != 0) && !mA2dpSuspended) {
+                    (getA2dpOutput() != 0)) {
                 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER;
                 if (device) break;
             }
-            if (mPhoneState != AUDIO_MODE_IN_CALL) {
+            if (!isInCall()) {
                 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_USB_ACCESSORY;
                 if (device) break;
                 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_USB_DEVICE;
@@ -4141,15 +4671,35 @@
         // The second device used for sonification is the same as the device used by media strategy
         // FALL THROUGH
 
+    // FIXME: STRATEGY_ACCESSIBILITY and STRATEGY_REROUTING follow STRATEGY_MEDIA for now
+    case STRATEGY_ACCESSIBILITY:
+        if (strategy == STRATEGY_ACCESSIBILITY) {
+            // do not route accessibility prompts to a digital output currently configured with a
+            // compressed format as they would likely not be mixed and dropped.
+            for (size_t i = 0; i < mOutputs.size(); i++) {
+                sp<AudioOutputDescriptor> desc = mOutputs.valueAt(i);
+                audio_devices_t devices = desc->device() &
+                    (AUDIO_DEVICE_OUT_HDMI | AUDIO_DEVICE_OUT_SPDIF | AUDIO_DEVICE_OUT_HDMI_ARC);
+                if (desc->isActive() && !audio_is_linear_pcm(desc->mFormat) &&
+                        devices != AUDIO_DEVICE_NONE) {
+                    availableOutputDeviceTypes = availableOutputDeviceTypes & ~devices;
+                }
+            }
+        }
+        // FALL THROUGH
+
+    case STRATEGY_REROUTING:
     case STRATEGY_MEDIA: {
         uint32_t device2 = AUDIO_DEVICE_NONE;
         if (strategy != STRATEGY_SONIFICATION) {
             // no sonification on remote submix (e.g. WFD)
-            device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_REMOTE_SUBMIX;
+            if (mAvailableOutputDevices.getDevice(AUDIO_DEVICE_OUT_REMOTE_SUBMIX, String8("0")) != 0) {
+                device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_REMOTE_SUBMIX;
+            }
         }
         if ((device2 == AUDIO_DEVICE_NONE) &&
                 (mForceUse[AUDIO_POLICY_FORCE_FOR_MEDIA] != AUDIO_POLICY_FORCE_NO_BT_A2DP) &&
-                (getA2dpOutput() != 0) && !mA2dpSuspended) {
+                (getA2dpOutput() != 0)) {
             device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP;
             if (device2 == AUDIO_DEVICE_NONE) {
                 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES;
@@ -4158,6 +4708,10 @@
                 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER;
             }
         }
+        if ((device2 == AUDIO_DEVICE_NONE) &&
+            (mForceUse[AUDIO_POLICY_FORCE_FOR_MEDIA] == AUDIO_POLICY_FORCE_SPEAKER)) {
+            device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_SPEAKER;
+        }
         if (device2 == AUDIO_DEVICE_NONE) {
             device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_WIRED_HEADPHONE;
         }
@@ -4248,6 +4802,7 @@
 
     for (size_t i = 0; i < NUM_STRATEGIES; i++) {
         audio_devices_t curDevice = getDeviceForStrategy((routing_strategy)i, false /*fromCache*/);
+        curDevice = curDevice & outputDesc->mProfile->mSupportedDevices.types();
         bool mute = shouldMute && (curDevice & device) && (curDevice != device);
         bool doMute = false;
 
@@ -4348,11 +4903,15 @@
     muteWaitMs = checkDeviceMuteStrategies(outputDesc, prevDevice, delayMs);
 
     // Do not change the routing if:
-    //  - the requested device is AUDIO_DEVICE_NONE
-    //  - the requested device is the same as current device and force is not specified.
+    //      the requested device is AUDIO_DEVICE_NONE
+    //      OR the requested device is the same as current device
+    //  AND force is not specified
+    //  AND the output is connected by a valid audio patch.
     // Doing this check here allows the caller to call setOutputDevice() without conditions
-    if ((device == AUDIO_DEVICE_NONE || device == prevDevice) && !force) {
-        ALOGV("setOutputDevice() setting same device %04x or null device for output %d", device, output);
+    if ((device == AUDIO_DEVICE_NONE || device == prevDevice) && !force &&
+            outputDesc->mPatchHandle != 0) {
+        ALOGV("setOutputDevice() setting same device %04x or null device for output %d",
+              device, output);
         return muteWaitMs;
     }
 
@@ -4546,6 +5105,7 @@
 }
 
 sp<AudioPolicyManager::IOProfile> AudioPolicyManager::getInputProfile(audio_devices_t device,
+                                                   String8 address,
                                                    uint32_t& samplingRate,
                                                    audio_format_t format,
                                                    audio_channel_mask_t channelMask,
@@ -4563,9 +5123,10 @@
         {
             sp<IOProfile> profile = mHwModules[i]->mInputProfiles[j];
             // profile->log();
-            if (profile->isCompatibleProfile(device, samplingRate,
+            if (profile->isCompatibleProfile(device, address, samplingRate,
                                              &samplingRate /*updatedSamplingRate*/,
                                              format, channelMask, (audio_output_flags_t) flags)) {
+
                 return profile;
             }
         }
@@ -4573,11 +5134,42 @@
     return NULL;
 }
 
+
+audio_devices_t AudioPolicyManager::getDeviceAndMixForInputSource(audio_source_t inputSource,
+                                                            AudioMix **policyMix)
+{
+    audio_devices_t availableDeviceTypes = mAvailableInputDevices.types() &
+                                            ~AUDIO_DEVICE_BIT_IN;
+
+    for (size_t i = 0; i < mPolicyMixes.size(); i++) {
+        if (mPolicyMixes[i]->mMix.mMixType != MIX_TYPE_RECORDERS) {
+            continue;
+        }
+        for (size_t j = 0; j < mPolicyMixes[i]->mMix.mCriteria.size(); j++) {
+            if ((RULE_MATCH_ATTRIBUTE_CAPTURE_PRESET == mPolicyMixes[i]->mMix.mCriteria[j].mRule &&
+                    mPolicyMixes[i]->mMix.mCriteria[j].mAttr.mSource == inputSource) ||
+               (RULE_EXCLUDE_ATTRIBUTE_CAPTURE_PRESET == mPolicyMixes[i]->mMix.mCriteria[j].mRule &&
+                    mPolicyMixes[i]->mMix.mCriteria[j].mAttr.mSource != inputSource)) {
+                if (availableDeviceTypes & AUDIO_DEVICE_IN_REMOTE_SUBMIX) {
+                    if (policyMix != NULL) {
+                        *policyMix = &mPolicyMixes[i]->mMix;
+                    }
+                    return AUDIO_DEVICE_IN_REMOTE_SUBMIX;
+                }
+                break;
+            }
+        }
+    }
+
+    return getDeviceForInputSource(inputSource);
+}
+
 audio_devices_t AudioPolicyManager::getDeviceForInputSource(audio_source_t inputSource)
 {
     uint32_t device = AUDIO_DEVICE_NONE;
     audio_devices_t availableDeviceTypes = mAvailableInputDevices.types() &
                                             ~AUDIO_DEVICE_BIT_IN;
+
     switch (inputSource) {
     case AUDIO_SOURCE_VOICE_UPLINK:
       if (availableDeviceTypes & AUDIO_DEVICE_IN_VOICE_CALL) {
@@ -4590,6 +5182,9 @@
     case AUDIO_SOURCE_MIC:
     if (availableDeviceTypes & AUDIO_DEVICE_IN_BLUETOOTH_A2DP) {
         device = AUDIO_DEVICE_IN_BLUETOOTH_A2DP;
+    } else if ((mForceUse[AUDIO_POLICY_FORCE_FOR_RECORD] == AUDIO_POLICY_FORCE_BT_SCO) &&
+        (availableDeviceTypes & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET)) {
+        device = AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET;
     } else if (availableDeviceTypes & AUDIO_DEVICE_IN_WIRED_HEADSET) {
         device = AUDIO_DEVICE_IN_WIRED_HEADSET;
     } else if (availableDeviceTypes & AUDIO_DEVICE_IN_USB_DEVICE) {
@@ -4667,6 +5262,11 @@
             device = AUDIO_DEVICE_IN_REMOTE_SUBMIX;
         }
         break;
+     case AUDIO_SOURCE_FM_TUNER:
+        if (availableDeviceTypes & AUDIO_DEVICE_IN_FM_TUNER) {
+            device = AUDIO_DEVICE_IN_FM_TUNER;
+        }
+        break;
     default:
         ALOGW("getDeviceForInputSource() invalid input source %d", inputSource);
         break;
@@ -4686,7 +5286,7 @@
 }
 
 bool AudioPolicyManager::deviceDistinguishesOnAddress(audio_devices_t device) {
-    return ((device & APM_AUDIO_DEVICE_MATCH_ADDRESS_ALL) != 0);
+    return ((device & APM_AUDIO_DEVICE_MATCH_ADDRESS_ALL & ~AUDIO_DEVICE_BIT_IN) != 0);
 }
 
 audio_io_handle_t AudioPolicyManager::getActiveInput(bool ignoreVirtualInputs)
@@ -4707,7 +5307,7 @@
     for (size_t i = 0; i < mInputs.size(); i++) {
         const sp<AudioInputDescriptor>  desc = mInputs.valueAt(i);
         if (desc->mRefCount > 0) {
-            return count++;
+            count++;
         }
     }
     return count;
@@ -4778,6 +5378,7 @@
     }
 }
 
+/* static */
 float AudioPolicyManager::volIndexToAmpl(audio_devices_t device, const StreamDescriptor& streamDesc,
         int indexInUi)
 {
@@ -4891,6 +5492,21 @@
 };
 
 const AudioPolicyManager::VolumeCurvePoint
+    AudioPolicyManager::sLinearVolumeCurve[AudioPolicyManager::VOLCNT] = {
+    {0, -96.0f}, {33, -68.0f}, {66, -34.0f}, {100, 0.0f}
+};
+
+const AudioPolicyManager::VolumeCurvePoint
+    AudioPolicyManager::sSilentVolumeCurve[AudioPolicyManager::VOLCNT] = {
+    {0, -96.0f}, {1, -96.0f}, {2, -96.0f}, {100, -96.0f}
+};
+
+const AudioPolicyManager::VolumeCurvePoint
+    AudioPolicyManager::sFullScaleVolumeCurve[AudioPolicyManager::VOLCNT] = {
+    {0, 0.0f}, {1, 0.0f}, {2, 0.0f}, {100, 0.0f}
+};
+
+const AudioPolicyManager::VolumeCurvePoint
             *AudioPolicyManager::sVolumeProfiles[AUDIO_STREAM_CNT]
                                                    [AudioPolicyManager::DEVICE_CATEGORY_CNT] = {
     { // AUDIO_STREAM_VOICE_CALL
@@ -4948,11 +5564,30 @@
         sExtMediaSystemVolumeCurve  // DEVICE_CATEGORY_EXT_MEDIA
     },
     { // AUDIO_STREAM_TTS
+      // "Transmitted Through Speaker": always silent except on DEVICE_CATEGORY_SPEAKER
+        sSilentVolumeCurve, // DEVICE_CATEGORY_HEADSET
+        sLinearVolumeCurve, // DEVICE_CATEGORY_SPEAKER
+        sSilentVolumeCurve, // DEVICE_CATEGORY_EARPIECE
+        sSilentVolumeCurve  // DEVICE_CATEGORY_EXT_MEDIA
+    },
+    { // AUDIO_STREAM_ACCESSIBILITY
         sDefaultMediaVolumeCurve, // DEVICE_CATEGORY_HEADSET
         sSpeakerMediaVolumeCurve, // DEVICE_CATEGORY_SPEAKER
         sDefaultMediaVolumeCurve, // DEVICE_CATEGORY_EARPIECE
         sDefaultMediaVolumeCurve  // DEVICE_CATEGORY_EXT_MEDIA
     },
+    { // AUDIO_STREAM_REROUTING
+        sFullScaleVolumeCurve, // DEVICE_CATEGORY_HEADSET
+        sFullScaleVolumeCurve, // DEVICE_CATEGORY_SPEAKER
+        sFullScaleVolumeCurve, // DEVICE_CATEGORY_EARPIECE
+        sFullScaleVolumeCurve  // DEVICE_CATEGORY_EXT_MEDIA
+    },
+    { // AUDIO_STREAM_PATCH
+        sFullScaleVolumeCurve, // DEVICE_CATEGORY_HEADSET
+        sFullScaleVolumeCurve, // DEVICE_CATEGORY_SPEAKER
+        sFullScaleVolumeCurve, // DEVICE_CATEGORY_EARPIECE
+        sFullScaleVolumeCurve  // DEVICE_CATEGORY_EXT_MEDIA
+    },
 };
 
 void AudioPolicyManager::initializeVolumeCurves()
@@ -4976,6 +5611,8 @@
                 sSpeakerSonificationVolumeCurveDrc;
         mStreams[AUDIO_STREAM_MUSIC].mVolumeCurve[DEVICE_CATEGORY_SPEAKER] =
                 sSpeakerMediaVolumeCurveDrc;
+        mStreams[AUDIO_STREAM_ACCESSIBILITY].mVolumeCurve[DEVICE_CATEGORY_SPEAKER] =
+                sSpeakerMediaVolumeCurveDrc;
     }
 }
 
@@ -5059,6 +5696,18 @@
     }
 
     float volume = computeVolume(stream, index, output, device);
+    // unit gain if rerouting to external policy
+    if (device == AUDIO_DEVICE_OUT_REMOTE_SUBMIX) {
+        ssize_t index = mOutputs.indexOfKey(output);
+        if (index >= 0) {
+            sp<AudioOutputDescriptor> outputDesc = mOutputs.valueAt(index);
+            if (outputDesc->mPolicyMix != NULL) {
+                ALOGV("max gain when rerouting for output=%d", output);
+                volume = 1.0f;
+            }
+        }
+
+    }
     // We actually change the volume if:
     // - the float value returned by computeVolume() changed
     // - the force flag is set
@@ -5101,6 +5750,9 @@
     ALOGVV("applyStreamVolumes() for output %d and device %x", output, device);
 
     for (int stream = 0; stream < AUDIO_STREAM_CNT; stream++) {
+        if (stream == AUDIO_STREAM_PATCH) {
+            continue;
+        }
         checkAndSetVolume((audio_stream_type_t)stream,
                           mStreams[stream].getVolumeIndex(device),
                           output,
@@ -5118,6 +5770,9 @@
 {
     ALOGVV("setStrategyMute() strategy %d, mute %d, output %d", strategy, on, output);
     for (int stream = 0; stream < AUDIO_STREAM_CNT; stream++) {
+        if (stream == AUDIO_STREAM_PATCH) {
+            continue;
+        }
         if (getStrategy((audio_stream_type_t)stream) == strategy) {
             setStreamMute((audio_stream_type_t)stream, on, output, delayMs, device);
         }
@@ -5235,7 +5890,8 @@
 AudioPolicyManager::AudioOutputDescriptor::AudioOutputDescriptor(
         const sp<IOProfile>& profile)
     : mId(0), mIoHandle(0), mLatency(0),
-    mFlags((audio_output_flags_t)0), mDevice(AUDIO_DEVICE_NONE), mPatchHandle(0),
+    mFlags((audio_output_flags_t)0), mDevice(AUDIO_DEVICE_NONE), mPolicyMix(NULL),
+    mPatchHandle(0),
     mOutput1(0), mOutput2(0), mProfile(profile), mDirectOpenCount(0)
 {
     // clear usage count for all stream types
@@ -5329,6 +5985,9 @@
         sysTime = systemTime();
     }
     for (int i = 0; i < (int)AUDIO_STREAM_CNT; i++) {
+        if (i == AUDIO_STREAM_PATCH) {
+            continue;
+        }
         if (((getStrategy((audio_stream_type_t)i) == strategy) ||
                 (NUM_STRATEGIES == strategy)) &&
                 isStreamActive((audio_stream_type_t)i, inPastMs, sysTime)) {
@@ -5427,7 +6086,7 @@
 
 AudioPolicyManager::AudioInputDescriptor::AudioInputDescriptor(const sp<IOProfile>& profile)
     : mId(0), mIoHandle(0),
-      mDevice(AUDIO_DEVICE_NONE), mPatchHandle(0), mRefCount(0),
+      mDevice(AUDIO_DEVICE_NONE), mPolicyMix(NULL), mPatchHandle(0), mRefCount(0),
       mInputSource(AUDIO_SOURCE_DEFAULT), mProfile(profile), mIsSoundTrigger(false)
 {
     if (profile != NULL) {
@@ -5717,6 +6376,69 @@
     return NO_ERROR;
 }
 
+status_t AudioPolicyManager::HwModule::addOutputProfile(String8 name, const audio_config_t *config,
+                                                  audio_devices_t device, String8 address)
+{
+    sp<IOProfile> profile = new IOProfile(name, AUDIO_PORT_ROLE_SOURCE, this);
+
+    profile->mSamplingRates.add(config->sample_rate);
+    profile->mChannelMasks.add(config->channel_mask);
+    profile->mFormats.add(config->format);
+
+    sp<DeviceDescriptor> devDesc = new DeviceDescriptor(String8(""), device);
+    devDesc->mAddress = address;
+    profile->mSupportedDevices.add(devDesc);
+
+    mOutputProfiles.add(profile);
+
+    return NO_ERROR;
+}
+
+status_t AudioPolicyManager::HwModule::removeOutputProfile(String8 name)
+{
+    for (size_t i = 0; i < mOutputProfiles.size(); i++) {
+        if (mOutputProfiles[i]->mName == name) {
+            mOutputProfiles.removeAt(i);
+            break;
+        }
+    }
+
+    return NO_ERROR;
+}
+
+status_t AudioPolicyManager::HwModule::addInputProfile(String8 name, const audio_config_t *config,
+                                                  audio_devices_t device, String8 address)
+{
+    sp<IOProfile> profile = new IOProfile(name, AUDIO_PORT_ROLE_SINK, this);
+
+    profile->mSamplingRates.add(config->sample_rate);
+    profile->mChannelMasks.add(config->channel_mask);
+    profile->mFormats.add(config->format);
+
+    sp<DeviceDescriptor> devDesc = new DeviceDescriptor(String8(""), device);
+    devDesc->mAddress = address;
+    profile->mSupportedDevices.add(devDesc);
+
+    ALOGV("addInputProfile() name %s rate %d mask 0x08", name.string(), config->sample_rate, config->channel_mask);
+
+    mInputProfiles.add(profile);
+
+    return NO_ERROR;
+}
+
+status_t AudioPolicyManager::HwModule::removeInputProfile(String8 name)
+{
+    for (size_t i = 0; i < mInputProfiles.size(); i++) {
+        if (mInputProfiles[i]->mName == name) {
+            mInputProfiles.removeAt(i);
+            break;
+        }
+    }
+
+    return NO_ERROR;
+}
+
+
 void AudioPolicyManager::HwModule::dump(int fd)
 {
     const size_t SIZE = 256;
@@ -5843,12 +6565,28 @@
             }
         }
     }
+    for (size_t k = 0 ; k < port->mGains.size() ; k++) {
+        sp<AudioGain> gain = port->mGains.itemAt(k);
+        if (gain != 0) {
+            bool hasGain = false;
+            for (size_t l = 0 ; l < mGains.size() ; l++) {
+                if (gain == mGains.itemAt(l)) {
+                    hasGain = true;
+                    break;
+                }
+            }
+            if (!hasGain) { // never import a gain twice
+                mGains.add(gain);
+            }
+        }
+    }
 }
 
 void AudioPolicyManager::AudioPort::clearCapabilities() {
     mChannelMasks.clear();
     mFormats.clear();
     mSamplingRates.clear();
+    mGains.clear();
 }
 
 void AudioPolicyManager::AudioPort::loadSamplingRates(char *name)
@@ -6018,6 +6756,10 @@
 
 status_t AudioPolicyManager::AudioPort::checkExactSamplingRate(uint32_t samplingRate) const
 {
+    if (mSamplingRates.isEmpty()) {
+        return NO_ERROR;
+    }
+
     for (size_t i = 0; i < mSamplingRates.size(); i ++) {
         if (mSamplingRates[i] == samplingRate) {
             return NO_ERROR;
@@ -6029,6 +6771,10 @@
 status_t AudioPolicyManager::AudioPort::checkCompatibleSamplingRate(uint32_t samplingRate,
         uint32_t *updatedSamplingRate) const
 {
+    if (mSamplingRates.isEmpty()) {
+        return NO_ERROR;
+    }
+
     // Search for the closest supported sampling rate that is above (preferred)
     // or below (acceptable) the desired sampling rate, within a permitted ratio.
     // The sampling rates do not need to be sorted in ascending order.
@@ -6087,6 +6833,10 @@
 
 status_t AudioPolicyManager::AudioPort::checkExactChannelMask(audio_channel_mask_t channelMask) const
 {
+    if (mChannelMasks.isEmpty()) {
+        return NO_ERROR;
+    }
+
     for (size_t i = 0; i < mChannelMasks.size(); i++) {
         if (mChannelMasks[i] == channelMask) {
             return NO_ERROR;
@@ -6098,6 +6848,10 @@
 status_t AudioPolicyManager::AudioPort::checkCompatibleChannelMask(audio_channel_mask_t channelMask)
         const
 {
+    if (mChannelMasks.isEmpty()) {
+        return NO_ERROR;
+    }
+
     const bool isRecordThread = mType == AUDIO_PORT_TYPE_MIX && mRole == AUDIO_PORT_ROLE_SINK;
     for (size_t i = 0; i < mChannelMasks.size(); i ++) {
         // FIXME Does not handle multi-channel automatic conversions yet
@@ -6121,6 +6875,10 @@
 
 status_t AudioPolicyManager::AudioPort::checkFormat(audio_format_t format) const
 {
+    if (mFormats.isEmpty()) {
+        return NO_ERROR;
+    }
+
     for (size_t i = 0; i < mFormats.size(); i ++) {
         if (mFormats[i] == format) {
             return NO_ERROR;
@@ -6587,17 +7345,18 @@
 // Sampling rate, format and channel mask must be specified in order to
 // get a valid a match
 bool AudioPolicyManager::IOProfile::isCompatibleProfile(audio_devices_t device,
-                                                            uint32_t samplingRate,
-                                                            uint32_t *updatedSamplingRate,
-                                                            audio_format_t format,
-                                                            audio_channel_mask_t channelMask,
-                                                            uint32_t flags) const
+                                                        String8 address,
+                                                        uint32_t samplingRate,
+                                                        uint32_t *updatedSamplingRate,
+                                                        audio_format_t format,
+                                                        audio_channel_mask_t channelMask,
+                                                        uint32_t flags) const
 {
     const bool isPlaybackThread = mType == AUDIO_PORT_TYPE_MIX && mRole == AUDIO_PORT_ROLE_SOURCE;
     const bool isRecordThread = mType == AUDIO_PORT_TYPE_MIX && mRole == AUDIO_PORT_ROLE_SINK;
     ALOG_ASSERT(isPlaybackThread != isRecordThread);
 
-    if ((mSupportedDevices.types() & device) != device) {
+    if (device != AUDIO_DEVICE_NONE && mSupportedDevices.getDevice(device, address) == 0) {
         return false;
     }
 
@@ -6791,7 +7550,12 @@
                                  ARRAY_SIZE(sDeviceNameToEnumTable),
                                  devName);
             if (type != AUDIO_DEVICE_NONE) {
-                add(new DeviceDescriptor(String8(""), type));
+                sp<DeviceDescriptor> dev = new DeviceDescriptor(String8(""), type);
+                if (type == AUDIO_DEVICE_IN_REMOTE_SUBMIX ||
+                        type == AUDIO_DEVICE_OUT_REMOTE_SUBMIX ) {
+                    dev->mAddress = String8("0");
+                }
+                add(dev);
             } else {
                 sp<DeviceDescriptor> deviceDesc =
                         declaredDevices.getDeviceFromName(String8(devName));
@@ -6800,7 +7564,7 @@
                 }
             }
          }
-        devName = strtok(NULL, "|");
+         devName = strtok(NULL, "|");
      }
 }
 
@@ -6810,13 +7574,15 @@
     sp<DeviceDescriptor> device;
     for (size_t i = 0; i < size(); i++) {
         if (itemAt(i)->mDeviceType == type) {
-            device = itemAt(i);
-            if (itemAt(i)->mAddress = address) {
-                break;
+            if (address == "" || itemAt(i)->mAddress == address) {
+                device = itemAt(i);
+                if (itemAt(i)->mAddress == address) {
+                    break;
+                }
             }
         }
     }
-    ALOGV("DeviceVector::getDevice() for type %d address %s found %p",
+    ALOGV("DeviceVector::getDevice() for type %08x address %s found %p",
           type, address.string(), device.get());
     return device;
 }
@@ -6854,13 +7620,9 @@
         audio_devices_t type, String8 address) const
 {
     DeviceVector devices;
-    //ALOGV("   looking for device=%x, addr=%s", type, address.string());
     for (size_t i = 0; i < size(); i++) {
-        //ALOGV("     at i=%d: device=%x, addr=%s",
-        //        i, itemAt(i)->mDeviceType, itemAt(i)->mAddress.string());
         if (itemAt(i)->mDeviceType == type) {
             if (itemAt(i)->mAddress == address) {
-                //ALOGV("      found matching address %s", address.string());
                 devices.add(itemAt(i));
             }
         }
@@ -7226,9 +7988,19 @@
     switch (attr->usage) {
     case AUDIO_USAGE_MEDIA:
     case AUDIO_USAGE_GAME:
-    case AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY:
     case AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE:
         return AUDIO_STREAM_MUSIC;
+    case AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY:
+        if (isStreamActive(AUDIO_STREAM_ALARM)) {
+            return AUDIO_STREAM_ALARM;
+        }
+        if (isStreamActive(AUDIO_STREAM_RING)) {
+            return AUDIO_STREAM_RING;
+        }
+        if (isInCall()) {
+            return AUDIO_STREAM_VOICE_CALL;
+        }
+        return AUDIO_STREAM_ACCESSIBILITY;
     case AUDIO_USAGE_ASSISTANCE_SONIFICATION:
         return AUDIO_STREAM_SYSTEM;
     case AUDIO_USAGE_VOICE_COMMUNICATION:
@@ -7254,4 +8026,36 @@
         return AUDIO_STREAM_MUSIC;
     }
 }
+
+bool AudioPolicyManager::isValidAttributes(const audio_attributes_t *paa) {
+    // has flags that map to a strategy?
+    if ((paa->flags & (AUDIO_FLAG_AUDIBILITY_ENFORCED | AUDIO_FLAG_SCO | AUDIO_FLAG_BEACON)) != 0) {
+        return true;
+    }
+
+    // has known usage?
+    switch (paa->usage) {
+    case AUDIO_USAGE_UNKNOWN:
+    case AUDIO_USAGE_MEDIA:
+    case AUDIO_USAGE_VOICE_COMMUNICATION:
+    case AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING:
+    case AUDIO_USAGE_ALARM:
+    case AUDIO_USAGE_NOTIFICATION:
+    case AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE:
+    case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_REQUEST:
+    case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_INSTANT:
+    case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_DELAYED:
+    case AUDIO_USAGE_NOTIFICATION_EVENT:
+    case AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY:
+    case AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE:
+    case AUDIO_USAGE_ASSISTANCE_SONIFICATION:
+    case AUDIO_USAGE_GAME:
+    case AUDIO_USAGE_VIRTUAL_SOURCE:
+        break;
+    default:
+        return false;
+    }
+    return true;
+}
+
 }; // namespace android
diff --git a/services/audiopolicy/AudioPolicyManager.h b/services/audiopolicy/AudioPolicyManager.h
index 0ea7b97..2059f58 100644
--- a/services/audiopolicy/AudioPolicyManager.h
+++ b/services/audiopolicy/AudioPolicyManager.h
@@ -23,6 +23,7 @@
 #include <utils/Errors.h>
 #include <utils/KeyedVector.h>
 #include <utils/SortedVector.h>
+#include <media/AudioPolicy.h>
 #include "AudioPolicyInterface.h"
 
 
@@ -87,25 +88,32 @@
                                             audio_channel_mask_t channelMask,
                                             audio_output_flags_t flags,
                                             const audio_offload_info_t *offloadInfo);
-        virtual audio_io_handle_t getOutputForAttr(const audio_attributes_t *attr,
-                                            uint32_t samplingRate,
-                                            audio_format_t format,
-                                            audio_channel_mask_t channelMask,
-                                            audio_output_flags_t flags,
-                                            const audio_offload_info_t *offloadInfo);
+        virtual status_t getOutputForAttr(const audio_attributes_t *attr,
+                                          audio_io_handle_t *output,
+                                          audio_session_t session,
+                                          audio_stream_type_t *stream,
+                                          uint32_t samplingRate,
+                                          audio_format_t format,
+                                          audio_channel_mask_t channelMask,
+                                          audio_output_flags_t flags,
+                                          const audio_offload_info_t *offloadInfo);
         virtual status_t startOutput(audio_io_handle_t output,
                                      audio_stream_type_t stream,
-                                     int session = 0);
+                                     audio_session_t session);
         virtual status_t stopOutput(audio_io_handle_t output,
                                     audio_stream_type_t stream,
-                                    int session = 0);
-        virtual void releaseOutput(audio_io_handle_t output);
-        virtual audio_io_handle_t getInput(audio_source_t inputSource,
-                                            uint32_t samplingRate,
-                                            audio_format_t format,
-                                            audio_channel_mask_t channelMask,
-                                            audio_session_t session,
-                                            audio_input_flags_t flags);
+                                    audio_session_t session);
+        virtual void releaseOutput(audio_io_handle_t output,
+                                   audio_stream_type_t stream,
+                                   audio_session_t session);
+        virtual status_t getInputForAttr(const audio_attributes_t *attr,
+                                         audio_io_handle_t *input,
+                                         audio_session_t session,
+                                         uint32_t samplingRate,
+                                         audio_format_t format,
+                                         audio_channel_mask_t channelMask,
+                                         audio_input_flags_t flags,
+                                         input_type_t *inputType);
 
         // indicates to the audio policy manager that the input starts being used.
         virtual status_t startInput(audio_io_handle_t input,
@@ -148,6 +156,8 @@
         // return whether a stream is playing remotely, override to change the definition of
         //   local/remote playback, used for instance by notification manager to not make
         //   media players lose audio focus when not playing locally
+        //   For the base implementation, "remotely" means playing during screen mirroring which
+        //   uses an output for playback with a non-empty, non "0" address.
         virtual bool isStreamActiveRemotely(audio_stream_type_t stream, uint32_t inPastMs = 0) const;
         virtual bool isSourceActive(audio_source_t source) const;
 
@@ -178,6 +188,9 @@
 
         virtual status_t releaseSoundTriggerSession(audio_session_t session);
 
+        virtual status_t registerPolicyMixes(Vector<AudioMix> mixes);
+        virtual status_t unregisterPolicyMixes(Vector<AudioMix> mixes);
+
 protected:
 
         enum routing_strategy {
@@ -187,6 +200,9 @@
             STRATEGY_SONIFICATION_RESPECTFUL,
             STRATEGY_DTMF,
             STRATEGY_ENFORCED_AUDIBLE,
+            STRATEGY_TRANSMITTED_THROUGH_SPEAKER,
+            STRATEGY_ACCESSIBILITY,
+            STRATEGY_REROUTING,
             NUM_STRATEGIES
         };
 
@@ -383,6 +399,7 @@
             // For input, flags is interpreted as audio_input_flags_t.
             // TODO: merge audio_output_flags_t and audio_input_flags_t.
             bool isCompatibleProfile(audio_devices_t device,
+                                     String8 address,
                                      uint32_t samplingRate,
                                      uint32_t *updatedSamplingRate,
                                      audio_format_t format,
@@ -406,6 +423,13 @@
             status_t loadInput(cnode *root);
             status_t loadDevice(cnode *root);
 
+            status_t addOutputProfile(String8 name, const audio_config_t *config,
+                                      audio_devices_t device, String8 address);
+            status_t removeOutputProfile(String8 name);
+            status_t addInputProfile(String8 name, const audio_config_t *config,
+                                      audio_devices_t device, String8 address);
+            status_t removeInputProfile(String8 name);
+
             void dump(int fd);
 
             const char *const        mName; // base name of the audio HW module (primary, a2dp ...)
@@ -434,6 +458,9 @@
         static const VolumeCurvePoint sHeadsetSystemVolumeCurve[AudioPolicyManager::VOLCNT];
         static const VolumeCurvePoint sDefaultVoiceVolumeCurve[AudioPolicyManager::VOLCNT];
         static const VolumeCurvePoint sSpeakerVoiceVolumeCurve[AudioPolicyManager::VOLCNT];
+        static const VolumeCurvePoint sLinearVolumeCurve[AudioPolicyManager::VOLCNT];
+        static const VolumeCurvePoint sSilentVolumeCurve[AudioPolicyManager::VOLCNT];
+        static const VolumeCurvePoint sFullScaleVolumeCurve[AudioPolicyManager::VOLCNT];
         // default volume curves per stream and device category. See initializeVolumeCurves()
         static const VolumeCurvePoint *sVolumeProfiles[AUDIO_STREAM_CNT][DEVICE_CATEGORY_CNT];
 
@@ -471,6 +498,7 @@
             uint32_t mLatency;                  //
             audio_output_flags_t mFlags;   //
             audio_devices_t mDevice;                   // current device this output is routed to
+            AudioMix *mPolicyMix;             // non NULL when used by a dynamic policy
             audio_patch_handle_t mPatchHandle;
             uint32_t mRefCount[AUDIO_STREAM_CNT]; // number of streams of each type using this output
             nsecs_t mStopTime[AUDIO_STREAM_CNT];
@@ -496,6 +524,7 @@
             audio_port_handle_t           mId;
             audio_io_handle_t             mIoHandle;       // input handle
             audio_devices_t               mDevice;         // current device this input is routed to
+            AudioMix                      *mPolicyMix;     // non NULL when used by a dynamic policy
             audio_patch_handle_t          mPatchHandle;
             uint32_t                      mRefCount;       // number of AudioRecord clients using
                                                            // this input
@@ -600,8 +629,10 @@
                                     audio_io_handle_t output, audio_devices_t device);
 
         // check that volume change is permitted, compute and send new volume to audio hardware
-        status_t checkAndSetVolume(audio_stream_type_t stream, int index, audio_io_handle_t output,
-                                   audio_devices_t device, int delayMs = 0, bool force = false);
+        virtual status_t checkAndSetVolume(audio_stream_type_t stream, int index,
+                                           audio_io_handle_t output,
+                                           audio_devices_t device,
+                                           int delayMs = 0, bool force = false);
 
         // apply all stream volumes to the specified output and device
         void applyStreamVolumes(audio_io_handle_t output, audio_devices_t device, int delayMs = 0, bool force = false);
@@ -708,7 +739,7 @@
         // if muting, wait for the audio in pcm buffer to be drained before proceeding
         // if unmuting, unmute only after the specified delay
         // Returns the number of ms waited
-        uint32_t  checkDeviceMuteStrategies(sp<AudioOutputDescriptor> outputDesc,
+        virtual uint32_t  checkDeviceMuteStrategies(sp<AudioOutputDescriptor> outputDesc,
                                             audio_devices_t prevDevice,
                                             uint32_t delayMs);
 
@@ -717,10 +748,11 @@
                                        audio_format_t format);
         // samplingRate parameter is an in/out and so may be modified
         sp<IOProfile> getInputProfile(audio_devices_t device,
-                                   uint32_t& samplingRate,
-                                   audio_format_t format,
-                                   audio_channel_mask_t channelMask,
-                                   audio_input_flags_t flags);
+                                      String8 address,
+                                      uint32_t& samplingRate,
+                                      audio_format_t format,
+                                      audio_channel_mask_t channelMask,
+                                      audio_input_flags_t flags);
         sp<IOProfile> getProfileForDirectOutput(audio_devices_t device,
                                                        uint32_t samplingRate,
                                                        audio_format_t format,
@@ -731,9 +763,9 @@
 
         bool isNonOffloadableEffectEnabled();
 
-        status_t addAudioPatch(audio_patch_handle_t handle,
+        virtual status_t addAudioPatch(audio_patch_handle_t handle,
                                const sp<AudioPatch>& patch);
-        status_t removeAudioPatch(audio_patch_handle_t handle);
+        virtual status_t removeAudioPatch(audio_patch_handle_t handle);
 
         sp<AudioOutputDescriptor> getOutputFromId(audio_port_handle_t id) const;
         sp<AudioInputDescriptor> getInputFromId(audio_port_handle_t id) const;
@@ -806,6 +838,29 @@
         sp<AudioPatch> mCallTxPatch;
         sp<AudioPatch> mCallRxPatch;
 
+        // for supporting "beacon" streams, i.e. streams that only play on speaker, and never
+        // when something other than STREAM_TTS (a.k.a. "Transmitted Through Speaker") is playing
+        enum {
+            STARTING_OUTPUT,
+            STARTING_BEACON,
+            STOPPING_OUTPUT,
+            STOPPING_BEACON
+        };
+        uint32_t mBeaconMuteRefCount;   // ref count for stream that would mute beacon
+        uint32_t mBeaconPlayingRefCount;// ref count for the playing beacon streams
+        bool mBeaconMuted;              // has STREAM_TTS been muted
+
+        // custom mix entry in mPolicyMixes
+        class AudioPolicyMix : public RefBase {
+        public:
+            AudioPolicyMix() {}
+
+            AudioMix    mMix;                   // Audio policy mix descriptor
+            sp<AudioOutputDescriptor> mOutput;  // Corresponding output stream
+        };
+        DefaultKeyedVector<String8, sp<AudioPolicyMix> > mPolicyMixes; // list of registered mixes
+
+
 #ifdef AUDIO_POLICY_TEST
         Mutex   mLock;
         Condition mWaitWorkCV;
@@ -820,10 +875,9 @@
         uint32_t        mTestChannels;
         uint32_t        mTestLatencyMs;
 #endif //AUDIO_POLICY_TEST
-
-private:
         static float volIndexToAmpl(audio_devices_t device, const StreamDescriptor& streamDesc,
                 int indexInUi);
+private:
         // updates device caching and output for streams that can influence the
         //    routing of notifications
         void handleNotificationRoutingForStream(audio_stream_type_t stream);
@@ -843,6 +897,7 @@
         // internal method to return the output handle for the given device and format
         audio_io_handle_t getOutputForDevice(
                 audio_devices_t device,
+                audio_session_t session,
                 audio_stream_type_t stream,
                 uint32_t samplingRate,
                 audio_format_t format,
@@ -851,6 +906,24 @@
                 const audio_offload_info_t *offloadInfo);
         // internal function to derive a stream type value from audio attributes
         audio_stream_type_t streamTypefromAttributesInt(const audio_attributes_t *attr);
+        // return true if any output is playing anything besides the stream to ignore
+        bool isAnyOutputActive(audio_stream_type_t streamToIgnore);
+        // event is one of STARTING_OUTPUT, STARTING_BEACON, STOPPING_OUTPUT, STOPPING_BEACON
+        // returns 0 if no mute/unmute event happened, the largest latency of the device where
+        //   the mute/unmute happened
+        uint32_t handleEventForBeacon(int event);
+        uint32_t setBeaconMute(bool mute);
+        bool     isValidAttributes(const audio_attributes_t *paa);
+
+        // select input device corresponding to requested audio source and return associated policy
+        // mix if any. Calls getDeviceForInputSource().
+        audio_devices_t getDeviceAndMixForInputSource(audio_source_t inputSource,
+                                                        AudioMix **policyMix = NULL);
+
+        // Called by setDeviceConnectionState().
+        status_t setDeviceConnectionStateInt(audio_devices_t device,
+                                                          audio_policy_dev_state_t state,
+                                                          const char *device_address);
 };
 
 };
diff --git a/services/audiopolicy/AudioPolicyService.cpp b/services/audiopolicy/AudioPolicyService.cpp
index da2defe..b80380e 100644
--- a/services/audiopolicy/AudioPolicyService.cpp
+++ b/services/audiopolicy/AudioPolicyService.cpp
@@ -150,7 +150,7 @@
 void AudioPolicyService::registerClient(const sp<IAudioPolicyServiceClient>& client)
 {
 
-    Mutex::Autolock _l(mLock);
+    Mutex::Autolock _l(mNotificationClientsLock);
 
     uid_t uid = IPCThreadState::self()->getCallingUid();
     if (mNotificationClients.indexOfKey(uid) < 0) {
@@ -169,14 +169,17 @@
 // removeNotificationClient() is called when the client process dies.
 void AudioPolicyService::removeNotificationClient(uid_t uid)
 {
-    Mutex::Autolock _l(mLock);
-
-    mNotificationClients.removeItem(uid);
-
+    {
+        Mutex::Autolock _l(mNotificationClientsLock);
+        mNotificationClients.removeItem(uid);
+    }
 #ifndef USE_LEGACY_AUDIO_POLICY
+    {
+        Mutex::Autolock _l(mLock);
         if (mAudioPolicyManager) {
             mAudioPolicyManager->clearAudioPatches(uid);
         }
+    }
 #endif
 }
 
@@ -187,7 +190,7 @@
 
 void AudioPolicyService::doOnAudioPortListUpdate()
 {
-    Mutex::Autolock _l(mLock);
+    Mutex::Autolock _l(mNotificationClientsLock);
     for (size_t i = 0; i < mNotificationClients.size(); i++) {
         mNotificationClients.valueAt(i)->onAudioPortListUpdate();
     }
@@ -213,7 +216,7 @@
 
 void AudioPolicyService::doOnAudioPatchListUpdate()
 {
-    Mutex::Autolock _l(mLock);
+    Mutex::Autolock _l(mNotificationClientsLock);
     for (size_t i = 0; i < mNotificationClients.size(); i++) {
         mNotificationClients.valueAt(i)->onAudioPatchListUpdate();
     }
@@ -455,7 +458,7 @@
                         break;
                     }
                     mLock.unlock();
-                    svc->doReleaseOutput(data->mIO);
+                    svc->doReleaseOutput(data->mIO, data->mStream, data->mSession);
                     mLock.lock();
                     }break;
                 case CREATE_AUDIO_PATCH: {
@@ -652,7 +655,7 @@
 
 void AudioPolicyService::AudioCommandThread::stopOutputCommand(audio_io_handle_t output,
                                                                audio_stream_type_t stream,
-                                                               int session)
+                                                               audio_session_t session)
 {
     sp<AudioCommand> command = new AudioCommand();
     command->mCommand = STOP_OUTPUT;
@@ -665,12 +668,16 @@
     sendCommand(command);
 }
 
-void AudioPolicyService::AudioCommandThread::releaseOutputCommand(audio_io_handle_t output)
+void AudioPolicyService::AudioCommandThread::releaseOutputCommand(audio_io_handle_t output,
+                                                                  audio_stream_type_t stream,
+                                                                  audio_session_t session)
 {
     sp<AudioCommand> command = new AudioCommand();
     command->mCommand = RELEASE_OUTPUT;
     sp<ReleaseOutputData> data = new ReleaseOutputData();
     data->mIO = output;
+    data->mStream = stream;
+    data->mSession = session;
     command->mParam = data;
     ALOGV("AudioCommandThread() adding release output %d", output);
     sendCommand(command);
diff --git a/services/audiopolicy/AudioPolicyService.h b/services/audiopolicy/AudioPolicyService.h
index a09c084..80284a4 100644
--- a/services/audiopolicy/AudioPolicyService.h
+++ b/services/audiopolicy/AudioPolicyService.h
@@ -30,6 +30,7 @@
 #include <media/IAudioPolicyService.h>
 #include <media/ToneGenerator.h>
 #include <media/AudioEffect.h>
+#include <media/AudioPolicy.h>
 #ifdef USE_LEGACY_AUDIO_POLICY
 #include <hardware_legacy/AudioPolicyInterface.h>
 #endif
@@ -74,25 +75,31 @@
                                         audio_output_flags_t flags =
                                                 AUDIO_OUTPUT_FLAG_NONE,
                                         const audio_offload_info_t *offloadInfo = NULL);
-    virtual audio_io_handle_t getOutputForAttr(const audio_attributes_t *attr,
-                                            uint32_t samplingRate = 0,
-                                            audio_format_t format = AUDIO_FORMAT_DEFAULT,
-                                            audio_channel_mask_t channelMask = 0,
-                                            audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE,
-                                            const audio_offload_info_t *offloadInfo = NULL);
+    virtual status_t getOutputForAttr(const audio_attributes_t *attr,
+                                      audio_io_handle_t *output,
+                                      audio_session_t session,
+                                      audio_stream_type_t *stream,
+                                      uint32_t samplingRate = 0,
+                                      audio_format_t format = AUDIO_FORMAT_DEFAULT,
+                                      audio_channel_mask_t channelMask = 0,
+                                      audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE,
+                                      const audio_offload_info_t *offloadInfo = NULL);
     virtual status_t startOutput(audio_io_handle_t output,
                                  audio_stream_type_t stream,
-                                 int session = 0);
+                                 audio_session_t session);
     virtual status_t stopOutput(audio_io_handle_t output,
                                 audio_stream_type_t stream,
-                                int session = 0);
-    virtual void releaseOutput(audio_io_handle_t output);
-    virtual audio_io_handle_t getInput(audio_source_t inputSource,
-                                    uint32_t samplingRate,
-                                    audio_format_t format,
-                                    audio_channel_mask_t channelMask,
-                                    int audioSession,
-                                    audio_input_flags_t flags);
+                                audio_session_t session);
+    virtual void releaseOutput(audio_io_handle_t output,
+                               audio_stream_type_t stream,
+                               audio_session_t session);
+    virtual status_t getInputForAttr(const audio_attributes_t *attr,
+                                     audio_io_handle_t *input,
+                                     audio_session_t session,
+                                     uint32_t samplingRate,
+                                     audio_format_t format,
+                                     audio_channel_mask_t channelMask,
+                                     audio_input_flags_t flags);
     virtual status_t startInput(audio_io_handle_t input,
                                 audio_session_t session);
     virtual status_t stopInput(audio_io_handle_t input,
@@ -181,10 +188,14 @@
 
     virtual audio_mode_t getPhoneState();
 
+    virtual status_t registerPolicyMixes(Vector<AudioMix> mixes, bool registration);
+
             status_t doStopOutput(audio_io_handle_t output,
                                   audio_stream_type_t stream,
-                                  int session = 0);
-            void doReleaseOutput(audio_io_handle_t output);
+                                  audio_session_t session);
+            void doReleaseOutput(audio_io_handle_t output,
+                                 audio_stream_type_t stream,
+                                 audio_session_t session);
 
             status_t clientCreateAudioPatch(const struct audio_patch *patch,
                                       audio_patch_handle_t *handle,
@@ -252,8 +263,10 @@
                     status_t    voiceVolumeCommand(float volume, int delayMs = 0);
                     void        stopOutputCommand(audio_io_handle_t output,
                                                   audio_stream_type_t stream,
-                                                  int session);
-                    void        releaseOutputCommand(audio_io_handle_t output);
+                                                  audio_session_t session);
+                    void        releaseOutputCommand(audio_io_handle_t output,
+                                                     audio_stream_type_t stream,
+                                                     audio_session_t session);
                     status_t    sendCommand(sp<AudioCommand>& command, int delayMs = 0);
                     void        insertCommand_l(sp<AudioCommand>& command, int delayMs = 0);
                     status_t    createAudioPatchCommand(const struct audio_patch *patch,
@@ -323,12 +336,14 @@
         public:
             audio_io_handle_t mIO;
             audio_stream_type_t mStream;
-            int mSession;
+            audio_session_t mSession;
         };
 
         class ReleaseOutputData : public AudioCommandData {
         public:
             audio_io_handle_t mIO;
+            audio_stream_type_t mStream;
+            audio_session_t mSession;
         };
 
         class CreateAudioPatchData : public AudioCommandData {
@@ -497,7 +512,7 @@
     AudioPolicyClient *mAudioPolicyClient;
 
     DefaultKeyedVector< uid_t, sp<NotificationClient> >    mNotificationClients;
-
+    Mutex mNotificationClientsLock;  // protects mNotificationClients
     // Manage all effects configured in audio_effects.conf
     sp<AudioPolicyEffects> mAudioPolicyEffects;
     audio_mode_t mPhoneState;
diff --git a/services/camera/libcameraservice/CameraService.cpp b/services/camera/libcameraservice/CameraService.cpp
index 4229538..1232c32 100644
--- a/services/camera/libcameraservice/CameraService.cpp
+++ b/services/camera/libcameraservice/CameraService.cpp
@@ -850,6 +850,7 @@
                                             const sp<IBinder>& remoteCallback) {
     status_t status = client->initialize(mModule);
     if (status != OK) {
+        ALOGE("%s: Could not initialize client from HAL module.", __FUNCTION__);
         return status;
     }
     if (remoteCallback != NULL) {
diff --git a/services/camera/libcameraservice/api1/Camera2Client.cpp b/services/camera/libcameraservice/api1/Camera2Client.cpp
index ec1a341..0ed5586 100644
--- a/services/camera/libcameraservice/api1/Camera2Client.cpp
+++ b/services/camera/libcameraservice/api1/Camera2Client.cpp
@@ -420,12 +420,20 @@
 
     ALOGV("Camera %d: Waiting for threads", mCameraId);
 
-    mStreamingProcessor->join();
-    mFrameProcessor->join();
-    mCaptureSequencer->join();
-    mJpegProcessor->join();
-    mZslProcessorThread->join();
-    mCallbackProcessor->join();
+    {
+        // Don't wait with lock held, in case the other threads need to
+        // complete callbacks that re-enter Camera2Client
+        mBinderSerializationLock.unlock();
+
+        mStreamingProcessor->join();
+        mFrameProcessor->join();
+        mCaptureSequencer->join();
+        mJpegProcessor->join();
+        mZslProcessorThread->join();
+        mCallbackProcessor->join();
+
+        mBinderSerializationLock.lock();
+    }
 
     ALOGV("Camera %d: Deleting streams", mCameraId);
 
@@ -910,6 +918,15 @@
                 ALOGE("%s: Camera %d: Can't stop streaming: %s (%d)",
                         __FUNCTION__, mCameraId, strerror(-res), res);
             }
+
+            // Flush all in-process captures and buffer in order to stop
+            // preview faster.
+            res = mDevice->flush();
+            if (res != OK) {
+                ALOGE("%s: Camera %d: Unable to flush pending requests: %s (%d)",
+                        __FUNCTION__, mCameraId, strerror(-res), res);
+            }
+
             res = mDevice->waitUntilDrained();
             if (res != OK) {
                 ALOGE("%s: Camera %d: Waiting to stop streaming failed: %s (%d)",
@@ -922,13 +939,6 @@
                         "stop preview: %s (%d)",
                         __FUNCTION__, mCameraId, strerror(-res), res);
             }
-            {
-                // Ideally we should recover the override after recording stopped, but
-                // right now recording stream will live until here, so we are forced to
-                // recover here. TODO: find a better way to handle that (b/17495165)
-                SharedParameters::Lock l(mParameters);
-                l.mParameters.recoverOverriddenJpegSize();
-            }
             // no break
         case Parameters::WAITING_FOR_PREVIEW_WINDOW: {
             SharedParameters::Lock l(mParameters);
@@ -1199,6 +1209,28 @@
 
     mCameraService->playSound(CameraService::SOUND_RECORDING);
 
+    // Remove recording stream to prevent it from slowing down takePicture later
+    if (!l.mParameters.recordingHint && l.mParameters.isJpegSizeOverridden()) {
+        res = stopStream();
+        if (res != OK) {
+            ALOGE("%s: Camera %d: Can't stop streaming: %s (%d)",
+                    __FUNCTION__, mCameraId, strerror(-res), res);
+        }
+        res = mDevice->waitUntilDrained();
+        if (res != OK) {
+            ALOGE("%s: Camera %d: Waiting to stop streaming failed: %s (%d)",
+                    __FUNCTION__, mCameraId, strerror(-res), res);
+        }
+        // Clean up recording stream
+        res = mStreamingProcessor->deleteRecordingStream();
+        if (res != OK) {
+            ALOGE("%s: Camera %d: Unable to delete recording stream before "
+                    "stop preview: %s (%d)",
+                    __FUNCTION__, mCameraId, strerror(-res), res);
+        }
+        l.mParameters.recoverOverriddenJpegSize();
+    }
+
     res = startPreviewL(l.mParameters, true);
     if (res != OK) {
         ALOGE("%s: Camera %d: Unable to return to preview",
@@ -1381,6 +1413,34 @@
                     return res;
                 }
                 l.mParameters.state = Parameters::STILL_CAPTURE;
+
+                // Remove recording stream to prevent video snapshot jpeg logic kicking in
+                if (l.mParameters.isJpegSizeOverridden() &&
+                        mStreamingProcessor->getRecordingStreamId() != NO_STREAM) {
+                    res = mStreamingProcessor->togglePauseStream(/*pause*/true);
+                    if (res != OK) {
+                        ALOGE("%s: Camera %d: Can't pause streaming: %s (%d)",
+                                __FUNCTION__, mCameraId, strerror(-res), res);
+                    }
+                    res = mDevice->waitUntilDrained();
+                    if (res != OK) {
+                        ALOGE("%s: Camera %d: Waiting to stop streaming failed: %s (%d)",
+                                __FUNCTION__, mCameraId, strerror(-res), res);
+                    }
+                    // Clean up recording stream
+                    res = mStreamingProcessor->deleteRecordingStream();
+                    if (res != OK) {
+                        ALOGE("%s: Camera %d: Unable to delete recording stream before "
+                                "stop preview: %s (%d)",
+                                __FUNCTION__, mCameraId, strerror(-res), res);
+                    }
+                    res = mStreamingProcessor->togglePauseStream(/*pause*/false);
+                    if (res != OK) {
+                        ALOGE("%s: Camera %d: Can't unpause streaming: %s (%d)",
+                                __FUNCTION__, mCameraId, strerror(-res), res);
+                    }
+                    l.mParameters.recoverOverriddenJpegSize();
+                }
                 break;
             case Parameters::RECORD:
                 // Good to go for video snapshot
diff --git a/services/camera/libcameraservice/api1/client2/BurstCapture.cpp b/services/camera/libcameraservice/api1/client2/BurstCapture.cpp
index 0bfdfd4..5502dcb 100644
--- a/services/camera/libcameraservice/api1/client2/BurstCapture.cpp
+++ b/services/camera/libcameraservice/api1/client2/BurstCapture.cpp
@@ -44,7 +44,7 @@
     return INVALID_OPERATION;
 }
 
-void BurstCapture::onFrameAvailable() {
+void BurstCapture::onFrameAvailable(const BufferItem &/*item*/) {
     ALOGV("%s", __FUNCTION__);
     Mutex::Autolock l(mInputMutex);
     if(!mInputChanged) {
diff --git a/services/camera/libcameraservice/api1/client2/BurstCapture.h b/services/camera/libcameraservice/api1/client2/BurstCapture.h
index ea321fd..c3b7722 100644
--- a/services/camera/libcameraservice/api1/client2/BurstCapture.h
+++ b/services/camera/libcameraservice/api1/client2/BurstCapture.h
@@ -39,7 +39,7 @@
     BurstCapture(wp<Camera2Client> client, wp<CaptureSequencer> sequencer);
     virtual ~BurstCapture();
 
-    virtual void onFrameAvailable();
+    virtual void onFrameAvailable(const BufferItem& item);
     virtual status_t start(Vector<CameraMetadata> &metadatas, int32_t firstCaptureId);
 
 protected:
diff --git a/services/camera/libcameraservice/api1/client2/CallbackProcessor.cpp b/services/camera/libcameraservice/api1/client2/CallbackProcessor.cpp
index bf3318e..eadaa00 100644
--- a/services/camera/libcameraservice/api1/client2/CallbackProcessor.cpp
+++ b/services/camera/libcameraservice/api1/client2/CallbackProcessor.cpp
@@ -46,7 +46,7 @@
     deleteStream();
 }
 
-void CallbackProcessor::onFrameAvailable() {
+void CallbackProcessor::onFrameAvailable(const BufferItem& /*item*/) {
     Mutex::Autolock l(mInputMutex);
     if (!mCallbackAvailable) {
         mCallbackAvailable = true;
diff --git a/services/camera/libcameraservice/api1/client2/CallbackProcessor.h b/services/camera/libcameraservice/api1/client2/CallbackProcessor.h
index 613f5be..7fdc329 100644
--- a/services/camera/libcameraservice/api1/client2/CallbackProcessor.h
+++ b/services/camera/libcameraservice/api1/client2/CallbackProcessor.h
@@ -44,7 +44,7 @@
     CallbackProcessor(sp<Camera2Client> client);
     ~CallbackProcessor();
 
-    void onFrameAvailable();
+    void onFrameAvailable(const BufferItem& item);
 
     // Set to NULL to disable the direct-to-app callback window
     status_t setCallbackWindow(sp<ANativeWindow> callbackWindow);
diff --git a/services/camera/libcameraservice/api1/client2/FrameProcessor.cpp b/services/camera/libcameraservice/api1/client2/FrameProcessor.cpp
index 312a78c..40d53b3 100644
--- a/services/camera/libcameraservice/api1/client2/FrameProcessor.cpp
+++ b/services/camera/libcameraservice/api1/client2/FrameProcessor.cpp
@@ -168,6 +168,19 @@
             faceIds = entry.data.i32;
         }
 
+        entry = frame.find(ANDROID_SCALER_CROP_REGION);
+        if (entry.count < 4) {
+            ALOGE("%s: Camera %d: Unable to read crop region (count = %d)",
+                    __FUNCTION__, client->getCameraId(), entry.count);
+            return res;
+        }
+
+        Parameters::CropRegion scalerCrop = {
+            static_cast<float>(entry.data.i32[0]),
+            static_cast<float>(entry.data.i32[1]),
+            static_cast<float>(entry.data.i32[2]),
+            static_cast<float>(entry.data.i32[3])};
+
         faces.setCapacity(metadata.number_of_faces);
 
         size_t maxFaces = metadata.number_of_faces;
@@ -183,26 +196,30 @@
 
             camera_face_t face;
 
-            face.rect[0] = l.mParameters.arrayXToNormalized(faceRects[i*4 + 0]);
-            face.rect[1] = l.mParameters.arrayYToNormalized(faceRects[i*4 + 1]);
-            face.rect[2] = l.mParameters.arrayXToNormalized(faceRects[i*4 + 2]);
-            face.rect[3] = l.mParameters.arrayYToNormalized(faceRects[i*4 + 3]);
+            face.rect[0] = l.mParameters.arrayXToNormalizedWithCrop(
+                                faceRects[i*4 + 0], scalerCrop);
+            face.rect[1] = l.mParameters.arrayYToNormalizedWithCrop(
+                                faceRects[i*4 + 1], scalerCrop);
+            face.rect[2] = l.mParameters.arrayXToNormalizedWithCrop(
+                                faceRects[i*4 + 2], scalerCrop);
+            face.rect[3] = l.mParameters.arrayYToNormalizedWithCrop(
+                                faceRects[i*4 + 3], scalerCrop);
 
             face.score = faceScores[i];
             if (faceDetectMode == ANDROID_STATISTICS_FACE_DETECT_MODE_FULL) {
                 face.id = faceIds[i];
-                face.left_eye[0] =
-                    l.mParameters.arrayXToNormalized(faceLandmarks[i*6 + 0]);
-                face.left_eye[1] =
-                    l.mParameters.arrayYToNormalized(faceLandmarks[i*6 + 1]);
-                face.right_eye[0] =
-                    l.mParameters.arrayXToNormalized(faceLandmarks[i*6 + 2]);
-                face.right_eye[1] =
-                    l.mParameters.arrayYToNormalized(faceLandmarks[i*6 + 3]);
-                face.mouth[0] =
-                    l.mParameters.arrayXToNormalized(faceLandmarks[i*6 + 4]);
-                face.mouth[1] =
-                    l.mParameters.arrayYToNormalized(faceLandmarks[i*6 + 5]);
+                face.left_eye[0] = l.mParameters.arrayXToNormalizedWithCrop(
+                        faceLandmarks[i*6 + 0], scalerCrop);
+                face.left_eye[1] = l.mParameters.arrayYToNormalizedWithCrop(
+                        faceLandmarks[i*6 + 1], scalerCrop);
+                face.right_eye[0] = l.mParameters.arrayXToNormalizedWithCrop(
+                        faceLandmarks[i*6 + 2], scalerCrop);
+                face.right_eye[1] = l.mParameters.arrayYToNormalizedWithCrop(
+                        faceLandmarks[i*6 + 3], scalerCrop);
+                face.mouth[0] = l.mParameters.arrayXToNormalizedWithCrop(
+                        faceLandmarks[i*6 + 4], scalerCrop);
+                face.mouth[1] = l.mParameters.arrayYToNormalizedWithCrop(
+                        faceLandmarks[i*6 + 5], scalerCrop);
             } else {
                 face.id = 0;
                 face.left_eye[0] = face.left_eye[1] = -2000;
diff --git a/services/camera/libcameraservice/api1/client2/JpegProcessor.cpp b/services/camera/libcameraservice/api1/client2/JpegProcessor.cpp
index b433781..2772267 100644
--- a/services/camera/libcameraservice/api1/client2/JpegProcessor.cpp
+++ b/services/camera/libcameraservice/api1/client2/JpegProcessor.cpp
@@ -51,7 +51,7 @@
     deleteStream();
 }
 
-void JpegProcessor::onFrameAvailable() {
+void JpegProcessor::onFrameAvailable(const BufferItem& /*item*/) {
     Mutex::Autolock l(mInputMutex);
     if (!mCaptureAvailable) {
         mCaptureAvailable = true;
diff --git a/services/camera/libcameraservice/api1/client2/JpegProcessor.h b/services/camera/libcameraservice/api1/client2/JpegProcessor.h
index b2c05df..2040b30 100644
--- a/services/camera/libcameraservice/api1/client2/JpegProcessor.h
+++ b/services/camera/libcameraservice/api1/client2/JpegProcessor.h
@@ -47,7 +47,7 @@
     ~JpegProcessor();
 
     // CpuConsumer listener implementation
-    void onFrameAvailable();
+    void onFrameAvailable(const BufferItem& item);
 
     status_t updateStream(const Parameters &params);
     status_t deleteStream();
diff --git a/services/camera/libcameraservice/api1/client2/Parameters.cpp b/services/camera/libcameraservice/api1/client2/Parameters.cpp
index 7b90d28..4f4cfb0 100644
--- a/services/camera/libcameraservice/api1/client2/Parameters.cpp
+++ b/services/camera/libcameraservice/api1/client2/Parameters.cpp
@@ -596,6 +596,10 @@
                     supportedSceneModes +=
                         CameraParameters::SCENE_MODE_BARCODE;
                     break;
+                case ANDROID_CONTROL_SCENE_MODE_HDR:
+                    supportedSceneModes +=
+                        CameraParameters::SCENE_MODE_HDR;
+                    break;
                 default:
                     ALOGW("%s: Camera %d: Unknown scene mode value: %d",
                         __FUNCTION__, cameraId,
@@ -2203,6 +2207,10 @@
     return OK;
 }
 
+bool Parameters::isJpegSizeOverridden() {
+    return pictureSizeOverriden;
+}
+
 const char* Parameters::getStateName(State state) {
 #define CASE_ENUM_TO_CHAR(x) case x: return(#x); break;
     switch(state) {
@@ -2382,6 +2390,8 @@
             ANDROID_CONTROL_SCENE_MODE_CANDLELIGHT :
         !strcmp(sceneMode, CameraParameters::SCENE_MODE_BARCODE) ?
             ANDROID_CONTROL_SCENE_MODE_BARCODE:
+        !strcmp(sceneMode, CameraParameters::SCENE_MODE_HDR) ?
+            ANDROID_CONTROL_SCENE_MODE_HDR:
         -1;
 }
 
@@ -2619,58 +2629,6 @@
     return (y + 1000) * (previewCrop.height - 1) / 2000;
 }
 
-int Parameters::arrayXToCrop(int x) const {
-    CropRegion previewCrop = calculateCropRegion(CropRegion::OUTPUT_PREVIEW);
-    return x - previewCrop.left;
-}
-
-int Parameters::arrayYToCrop(int y) const {
-    CropRegion previewCrop = calculateCropRegion(CropRegion::OUTPUT_PREVIEW);
-    return y - previewCrop.top;
-}
-
-int Parameters::cropXToNormalized(int x) const {
-    CropRegion previewCrop = calculateCropRegion(CropRegion::OUTPUT_PREVIEW);
-    return x * 2000 / (previewCrop.width - 1) - 1000;
-}
-
-int Parameters::cropYToNormalized(int y) const {
-    CropRegion previewCrop = calculateCropRegion(CropRegion::OUTPUT_PREVIEW);
-    return y * 2000 / (previewCrop.height - 1) - 1000;
-}
-
-int Parameters::arrayXToNormalized(int width) const {
-    int ret = cropXToNormalized(arrayXToCrop(width));
-
-    ALOG_ASSERT(ret >= -1000, "Calculated normalized value out of "
-        "lower bounds %d", ret);
-    ALOG_ASSERT(ret <= 1000, "Calculated normalized value out of "
-        "upper bounds %d", ret);
-
-    // Work-around for HAL pre-scaling the coordinates themselves
-    if (quirks.meteringCropRegion) {
-        return width * 2000 / (fastInfo.arrayWidth - 1) - 1000;
-    }
-
-    return ret;
-}
-
-int Parameters::arrayYToNormalized(int height) const {
-    int ret = cropYToNormalized(arrayYToCrop(height));
-
-    ALOG_ASSERT(ret >= -1000, "Calculated normalized value out of lower bounds"
-        " %d", ret);
-    ALOG_ASSERT(ret <= 1000, "Calculated normalized value out of upper bounds"
-        " %d", ret);
-
-    // Work-around for HAL pre-scaling the coordinates themselves
-    if (quirks.meteringCropRegion) {
-        return height * 2000 / (fastInfo.arrayHeight - 1) - 1000;
-    }
-
-    return ret;
-}
-
 int Parameters::normalizedXToArray(int x) const {
 
     // Work-around for HAL pre-scaling the coordinates themselves
@@ -2690,6 +2648,54 @@
     return cropYToArray(normalizedYToCrop(y));
 }
 
+
+Parameters::CropRegion Parameters::calculatePreviewCrop(
+        const CropRegion &scalerCrop) const {
+    float left, top, width, height;
+    float previewAspect = static_cast<float>(previewWidth) / previewHeight;
+    float cropAspect = scalerCrop.width / scalerCrop.height;
+
+    if (previewAspect > cropAspect) {
+        width = scalerCrop.width;
+        height = cropAspect * scalerCrop.height / previewAspect;
+
+        left = scalerCrop.left;
+        top = scalerCrop.top + (scalerCrop.height - height) / 2;
+    } else {
+        width = previewAspect * scalerCrop.width / cropAspect;
+        height = scalerCrop.height;
+
+        left = scalerCrop.left + (scalerCrop.width - width) / 2;
+        top = scalerCrop.top;
+    }
+
+    CropRegion previewCrop = {left, top, width, height};
+
+    return previewCrop;
+}
+
+int Parameters::arrayXToNormalizedWithCrop(int x,
+        const CropRegion &scalerCrop) const {
+    // Work-around for HAL pre-scaling the coordinates themselves
+    if (quirks.meteringCropRegion) {
+        return x * 2000 / (fastInfo.arrayWidth - 1) - 1000;
+    } else {
+        CropRegion previewCrop = calculatePreviewCrop(scalerCrop);
+        return (x - previewCrop.left) * 2000 / (previewCrop.width - 1) - 1000;
+    }
+}
+
+int Parameters::arrayYToNormalizedWithCrop(int y,
+        const CropRegion &scalerCrop) const {
+    // Work-around for HAL pre-scaling the coordinates themselves
+    if (quirks.meteringCropRegion) {
+        return y * 2000 / (fastInfo.arrayHeight - 1) - 1000;
+    } else {
+        CropRegion previewCrop = calculatePreviewCrop(scalerCrop);
+        return (y - previewCrop.top) * 2000 / (previewCrop.height - 1) - 1000;
+    }
+}
+
 status_t Parameters::getFilteredSizes(Size limit, Vector<Size> *sizes) {
     if (info == NULL) {
         ALOGE("%s: Static metadata is not initialized", __FUNCTION__);
@@ -2954,6 +2960,10 @@
             staticInfo(ANDROID_SENSOR_INFO_PHYSICAL_SIZE, 2, 2);
     if (!sensorSize.count) return NO_INIT;
 
+    camera_metadata_ro_entry_t pixelArraySize =
+            staticInfo(ANDROID_SENSOR_INFO_PIXEL_ARRAY_SIZE, 2, 2);
+    if (!pixelArraySize.count) return NO_INIT;
+
     float arrayAspect = static_cast<float>(fastInfo.arrayWidth) /
             fastInfo.arrayHeight;
     float stillAspect = static_cast<float>(pictureWidth) / pictureHeight;
@@ -3003,6 +3013,16 @@
         vertCropFactor = (arrayAspect < stillAspect) ?
                 (arrayAspect / stillAspect) : 1.f;
     }
+
+    /**
+     * Convert the crop factors w.r.t the active array size to the crop factors
+     * w.r.t the pixel array size.
+     */
+    horizCropFactor *= (static_cast<float>(fastInfo.arrayWidth) /
+                            pixelArraySize.data.i32[0]);
+    vertCropFactor *= (static_cast<float>(fastInfo.arrayHeight) /
+                            pixelArraySize.data.i32[1]);
+
     ALOGV("Horiz crop factor: %f, vert crop fact: %f",
             horizCropFactor, vertCropFactor);
     /**
diff --git a/services/camera/libcameraservice/api1/client2/Parameters.h b/services/camera/libcameraservice/api1/client2/Parameters.h
index e4e9a92..e628a7e 100644
--- a/services/camera/libcameraservice/api1/client2/Parameters.h
+++ b/services/camera/libcameraservice/api1/client2/Parameters.h
@@ -268,6 +268,8 @@
     status_t overrideJpegSizeByVideoSize();
     // Recover overridden jpeg size.  Called during stopRecording.
     status_t recoverOverriddenJpegSize();
+    // if video snapshot size is currently overridden
+    bool isJpegSizeOverridden();
 
     // Calculate the crop region rectangle based on current stream sizes
     struct CropRegion {
@@ -327,13 +329,17 @@
     // Note that this doesn't apply to the (deprecated) single FPS value.
     static const int kFpsToApiScale = 1000;
 
-    // Transform between (-1000,-1000)-(1000,1000) normalized coords from camera
-    // API and HAL2 (0,0)-(activePixelArray.width/height) coordinates
-    int arrayXToNormalized(int width) const;
-    int arrayYToNormalized(int height) const;
+    // Transform from (-1000,-1000)-(1000,1000) normalized coords from camera
+    // API to HAL2 (0,0)-(activePixelArray.width/height) coordinates
     int normalizedXToArray(int x) const;
     int normalizedYToArray(int y) const;
 
+    // Transform from HAL3 (0,0)-(activePixelArray.width/height) coordinates to
+    // (-1000,-1000)-(1000,1000) normalized coordinates given a scaler crop
+    // region.
+    int arrayXToNormalizedWithCrop(int x, const CropRegion &scalerCrop) const;
+    int arrayYToNormalizedWithCrop(int y, const CropRegion &scalerCrop) const;
+
     struct Range {
         int min;
         int max;
@@ -343,20 +349,20 @@
 
 private:
 
-    // Convert between HAL2 sensor array coordinates and
-    // viewfinder crop-region relative array coordinates
+    // Convert from viewfinder crop-region relative array coordinates
+    // to HAL2 sensor array coordinates
     int cropXToArray(int x) const;
     int cropYToArray(int y) const;
-    int arrayXToCrop(int x) const;
-    int arrayYToCrop(int y) const;
 
-    // Convert between viewfinder crop-region relative array coordinates
-    // and camera API (-1000,1000)-(1000,1000) normalized coords
-    int cropXToNormalized(int x) const;
-    int cropYToNormalized(int y) const;
+    // Convert from camera API (-1000,1000)-(1000,1000) normalized coords
+    // to viewfinder crop-region relative array coordinates
     int normalizedXToCrop(int x) const;
     int normalizedYToCrop(int y) const;
 
+    // Given a scaler crop region, calculate preview crop region based on
+    // preview aspect ratio.
+    CropRegion calculatePreviewCrop(const CropRegion &scalerCrop) const;
+
     Vector<Size> availablePreviewSizes;
     Vector<Size> availableVideoSizes;
     // Get size list (that are no larger than limit) from static metadata.
diff --git a/services/camera/libcameraservice/api1/client2/StreamingProcessor.cpp b/services/camera/libcameraservice/api1/client2/StreamingProcessor.cpp
index 9e7fff8..470624b 100644
--- a/services/camera/libcameraservice/api1/client2/StreamingProcessor.cpp
+++ b/services/camera/libcameraservice/api1/client2/StreamingProcessor.cpp
@@ -635,7 +635,7 @@
     return OK;
 }
 
-void StreamingProcessor::onFrameAvailable() {
+void StreamingProcessor::onFrameAvailable(const BufferItem& /*item*/) {
     ATRACE_CALL();
     Mutex::Autolock l(mMutex);
     if (!mRecordingFrameAvailable) {
diff --git a/services/camera/libcameraservice/api1/client2/StreamingProcessor.h b/services/camera/libcameraservice/api1/client2/StreamingProcessor.h
index 8466af4..1d679a4 100644
--- a/services/camera/libcameraservice/api1/client2/StreamingProcessor.h
+++ b/services/camera/libcameraservice/api1/client2/StreamingProcessor.h
@@ -80,7 +80,7 @@
     status_t incrementStreamingIds();
 
     // Callback for new recording frames from HAL
-    virtual void onFrameAvailable();
+    virtual void onFrameAvailable(const BufferItem& item);
     // Callback from stagefright which returns used recording frames
     void releaseRecordingFrame(const sp<IMemory>& mem);
 
diff --git a/services/camera/libcameraservice/api1/client2/ZslProcessor.cpp b/services/camera/libcameraservice/api1/client2/ZslProcessor.cpp
index 8f78103..8b7e4b4 100644
--- a/services/camera/libcameraservice/api1/client2/ZslProcessor.cpp
+++ b/services/camera/libcameraservice/api1/client2/ZslProcessor.cpp
@@ -66,7 +66,7 @@
     disconnect();
 }
 
-void ZslProcessor::onFrameAvailable() {
+void ZslProcessor::onFrameAvailable(const BufferItem& /*item*/) {
     Mutex::Autolock l(mInputMutex);
     if (!mZslBufferAvailable) {
         mZslBufferAvailable = true;
diff --git a/services/camera/libcameraservice/api1/client2/ZslProcessor.h b/services/camera/libcameraservice/api1/client2/ZslProcessor.h
index b6533cf..2099c38 100644
--- a/services/camera/libcameraservice/api1/client2/ZslProcessor.h
+++ b/services/camera/libcameraservice/api1/client2/ZslProcessor.h
@@ -53,7 +53,7 @@
     ~ZslProcessor();
 
     // From mZslConsumer
-    virtual void onFrameAvailable();
+    virtual void onFrameAvailable(const BufferItem& item);
     // From FrameProcessor
     virtual void onResultAvailable(const CaptureResult &result);
 
diff --git a/services/camera/libcameraservice/api1/client2/ZslProcessor3.cpp b/services/camera/libcameraservice/api1/client2/ZslProcessor3.cpp
index f110b66..470a6d6 100644
--- a/services/camera/libcameraservice/api1/client2/ZslProcessor3.cpp
+++ b/services/camera/libcameraservice/api1/client2/ZslProcessor3.cpp
@@ -592,7 +592,7 @@
                     if (afState != ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED &&
                             afState != ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED &&
                             afState != ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED) {
-                        ALOGW("%s: ZSL queue frame AF state is %d is not good for capture, skip it",
+                        ALOGVV("%s: ZSL queue frame AF state is %d is not good for capture, skip it",
                                 __FUNCTION__, afState);
                         continue;
                     }
diff --git a/services/camera/libcameraservice/api2/CameraDeviceClient.cpp b/services/camera/libcameraservice/api2/CameraDeviceClient.cpp
index 920adf6..6a1ee44 100644
--- a/services/camera/libcameraservice/api2/CameraDeviceClient.cpp
+++ b/services/camera/libcameraservice/api2/CameraDeviceClient.cpp
@@ -359,6 +359,14 @@
         useAsync = true;
     }
 
+    int32_t disallowedFlags = GraphicBuffer::USAGE_HW_VIDEO_ENCODER |
+                              GRALLOC_USAGE_RENDERSCRIPT;
+    int32_t allowedFlags = GraphicBuffer::USAGE_SW_READ_MASK |
+                           GraphicBuffer::USAGE_HW_TEXTURE |
+                           GraphicBuffer::USAGE_HW_COMPOSER;
+    bool flexibleConsumer = (consumerUsage & disallowedFlags) == 0 &&
+            (consumerUsage & allowedFlags) != 0;
+
     sp<IBinder> binder = IInterface::asBinder(bufferProducer);
     sp<ANativeWindow> anw = new Surface(bufferProducer, useAsync);
 
@@ -384,14 +392,18 @@
     //       IMPLEMENTATION_DEFINED. b/9487482
     if (format >= HAL_PIXEL_FORMAT_RGBA_8888 &&
         format <= HAL_PIXEL_FORMAT_BGRA_8888) {
-        ALOGW("%s: Camera %d: Overriding format 0x%x to IMPLEMENTATION_DEFINED",
+        ALOGW("%s: Camera %d: Overriding format %#x to IMPLEMENTATION_DEFINED",
               __FUNCTION__, mCameraId, format);
         format = HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED;
     }
 
-    // TODO: add startConfigure/stopConfigure call to CameraDeviceBase
-    // this will make it so Camera3Device doesn't call configure_streams
-    // after each call, but only once we are done with all.
+    // Round dimensions to the nearest dimensions available for this format
+    if (flexibleConsumer && !CameraDeviceClient::roundBufferDimensionNearest(width, height,
+            format, mDevice->info(), /*out*/&width, /*out*/&height)) {
+        ALOGE("%s: No stream configurations with the format %#x defined, failed to create stream.",
+                __FUNCTION__, format);
+        return BAD_VALUE;
+    }
 
     int streamId = -1;
     res = mDevice->createStream(anw, width, height, format, &streamId);
@@ -427,6 +439,62 @@
     return res;
 }
 
+
+bool CameraDeviceClient::roundBufferDimensionNearest(int32_t width, int32_t height,
+        int32_t format, const CameraMetadata& info,
+        /*out*/int32_t* outWidth, /*out*/int32_t* outHeight) {
+
+    camera_metadata_ro_entry streamConfigs =
+            info.find(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS);
+
+    int32_t bestWidth = -1;
+    int32_t bestHeight = -1;
+
+    // Iterate through listed stream configurations and find the one with the smallest euclidean
+    // distance from the given dimensions for the given format.
+    for (size_t i = 0; i < streamConfigs.count; i += 4) {
+        int32_t fmt = streamConfigs.data.i32[i];
+        int32_t w = streamConfigs.data.i32[i + 1];
+        int32_t h = streamConfigs.data.i32[i + 2];
+
+        // Ignore input/output type for now
+        if (fmt == format) {
+            if (w == width && h == height) {
+                bestWidth = width;
+                bestHeight = height;
+                break;
+            } else if (w <= ROUNDING_WIDTH_CAP && (bestWidth == -1 ||
+                    CameraDeviceClient::euclidDistSquare(w, h, width, height) <
+                    CameraDeviceClient::euclidDistSquare(bestWidth, bestHeight, width, height))) {
+                bestWidth = w;
+                bestHeight = h;
+            }
+        }
+    }
+
+    if (bestWidth == -1) {
+        // Return false if no configurations for this format were listed
+        return false;
+    }
+
+    // Set the outputs to the closet width/height
+    if (outWidth != NULL) {
+        *outWidth = bestWidth;
+    }
+    if (outHeight != NULL) {
+        *outHeight = bestHeight;
+    }
+
+    // Return true if at least one configuration for this format was listed
+    return true;
+}
+
+int64_t CameraDeviceClient::euclidDistSquare(int32_t x0, int32_t y0, int32_t x1, int32_t y1) {
+    int64_t d0 = x0 - x1;
+    int64_t d1 = y0 - y1;
+    return d0 * d0 + d1 * d1;
+}
+
 // Create a request object from a template.
 status_t CameraDeviceClient::createDefaultRequest(int templateId,
                                                   /*out*/
diff --git a/services/camera/libcameraservice/api2/CameraDeviceClient.h b/services/camera/libcameraservice/api2/CameraDeviceClient.h
index 9981dfe..84e46b7 100644
--- a/services/camera/libcameraservice/api2/CameraDeviceClient.h
+++ b/services/camera/libcameraservice/api2/CameraDeviceClient.h
@@ -154,6 +154,15 @@
     /** Utility members */
     bool enforceRequestPermissions(CameraMetadata& metadata);
 
+    // Find the square of the euclidean distance between two points
+    static int64_t euclidDistSquare(int32_t x0, int32_t y0, int32_t x1, int32_t y1);
+
+    // Find the closest dimensions for a given format in available stream configurations with
+    // a width <= ROUNDING_WIDTH_CAP
+    static const int32_t ROUNDING_WIDTH_CAP = 1080;
+    static bool roundBufferDimensionNearest(int32_t width, int32_t height, int32_t format,
+            const CameraMetadata& info, /*out*/int32_t* outWidth, /*out*/int32_t* outHeight);
+
     // IGraphicsBufferProducer binder -> Stream ID
     KeyedVector<sp<IBinder>, int> mStreamMap;
 
diff --git a/services/camera/libcameraservice/device2/Camera2Device.cpp b/services/camera/libcameraservice/device2/Camera2Device.cpp
index 8caadd6..d1158d6 100644
--- a/services/camera/libcameraservice/device2/Camera2Device.cpp
+++ b/services/camera/libcameraservice/device2/Camera2Device.cpp
@@ -793,11 +793,6 @@
         mStreamSlotCount = 0;
         return OK;
     }
-    camera_metadata_t *buf2 = clone_camera_metadata(buf);
-    if (!buf2) {
-        ALOGE("%s: Unable to clone metadata buffer!", __FUNCTION__);
-        return NO_MEMORY;
-    }
 
     if (mStreamSlotCount > 1) {
         List<camera_metadata_t*>::iterator deleter = ++mStreamSlot.begin();
@@ -806,9 +801,9 @@
     }
     if (mStreamSlotCount == 1) {
         free_camera_metadata( *(mStreamSlot.begin()) );
-        *(mStreamSlot.begin()) = buf2;
+        *(mStreamSlot.begin()) = buf;
     } else {
-        mStreamSlot.push_front(buf2);
+        mStreamSlot.push_front(buf);
         mStreamSlotCount = 1;
     }
     return signalConsumerLocked();
@@ -827,12 +822,7 @@
     mStreamSlotCount = 0;
     for (List<camera_metadata_t*>::const_iterator r = bufs.begin();
          r != bufs.end(); r++) {
-        camera_metadata_t *r2 = clone_camera_metadata(*r);
-        if (!r2) {
-            ALOGE("%s: Unable to clone metadata buffer!", __FUNCTION__);
-            return NO_MEMORY;
-        }
-        mStreamSlot.push_back(r2);
+        mStreamSlot.push_back(*r);
         mStreamSlotCount++;
     }
     return signalConsumerLocked();
diff --git a/services/camera/libcameraservice/device2/Camera2Device.h b/services/camera/libcameraservice/device2/Camera2Device.h
index 2a3f1d9..4def8ae 100644
--- a/services/camera/libcameraservice/device2/Camera2Device.h
+++ b/services/camera/libcameraservice/device2/Camera2Device.h
@@ -124,8 +124,8 @@
 
         // Set repeating buffer(s); if the queue is empty on a dequeue call, the
         // queue copies the contents of the stream slot into the queue, and then
-        // dequeues the first new entry. The metadata buffers passed in are
-        // copied.
+        // dequeues the first new entry. The methods take the ownership of the
+        // metadata buffers passed in.
         status_t setStreamSlot(camera_metadata_t *buf);
         status_t setStreamSlot(const List<camera_metadata_t*> &bufs);
 
diff --git a/services/camera/libcameraservice/device3/Camera3Device.cpp b/services/camera/libcameraservice/device3/Camera3Device.cpp
index 6a7f9e7..bba3905 100644
--- a/services/camera/libcameraservice/device3/Camera3Device.cpp
+++ b/services/camera/libcameraservice/device3/Camera3Device.cpp
@@ -427,7 +427,7 @@
             InFlightRequest r = mInFlightMap.valueAt(i);
             lines.appendFormat("      Frame %d |  Timestamp: %" PRId64 ", metadata"
                     " arrived: %s, buffers left: %d\n", mInFlightMap.keyAt(i),
-                    r.captureTimestamp, r.haveResultMetadata ? "true" : "false",
+                    r.shutterTimestamp, r.haveResultMetadata ? "true" : "false",
                     r.numBuffersLeft);
         }
     }
@@ -1880,6 +1880,131 @@
     return true;
 }
 
+
+void Camera3Device::returnOutputBuffers(
+        const camera3_stream_buffer_t *outputBuffers, size_t numBuffers,
+        nsecs_t timestamp) {
+    for (size_t i = 0; i < numBuffers; i++)
+    {
+        Camera3Stream *stream = Camera3Stream::cast(outputBuffers[i].stream);
+        status_t res = stream->returnBuffer(outputBuffers[i], timestamp);
+        // Note: stream may be deallocated at this point, if this buffer was
+        // the last reference to it.
+        if (res != OK) {
+            ALOGE("Can't return buffer to its stream: %s (%d)",
+                strerror(-res), res);
+        }
+    }
+}
+
+
+void Camera3Device::removeInFlightRequestIfReadyLocked(int idx) {
+
+    const InFlightRequest &request = mInFlightMap.valueAt(idx);
+    const uint32_t frameNumber = mInFlightMap.keyAt(idx);
+
+    nsecs_t sensorTimestamp = request.sensorTimestamp;
+    nsecs_t shutterTimestamp = request.shutterTimestamp;
+
+    // Check if it's okay to remove the request from InFlightMap:
+    // In the case of a successful request:
+    //      all input and output buffers, all result metadata, shutter callback
+    //      arrived.
+    // In the case of a unsuccessful request:
+    //      all input and output buffers arrived.
+    if (request.numBuffersLeft == 0 &&
+            (request.requestStatus != OK ||
+            (request.haveResultMetadata && shutterTimestamp != 0))) {
+        ATRACE_ASYNC_END("frame capture", frameNumber);
+
+        // Sanity check - if sensor timestamp matches shutter timestamp
+        if (request.requestStatus == OK &&
+                sensorTimestamp != shutterTimestamp) {
+            SET_ERR("sensor timestamp (%" PRId64
+                ") for frame %d doesn't match shutter timestamp (%" PRId64 ")",
+                sensorTimestamp, frameNumber, shutterTimestamp);
+        }
+
+        // for an unsuccessful request, it may have pending output buffers to
+        // return.
+        assert(request.requestStatus != OK ||
+               request.pendingOutputBuffers.size() == 0);
+        returnOutputBuffers(request.pendingOutputBuffers.array(),
+            request.pendingOutputBuffers.size(), 0);
+
+        mInFlightMap.removeItemsAt(idx, 1);
+
+        ALOGVV("%s: removed frame %d from InFlightMap", __FUNCTION__, frameNumber);
+     }
+
+    // Sanity check - if we have too many in-flight frames, something has
+    // likely gone wrong
+    if (mInFlightMap.size() > kInFlightWarnLimit) {
+        CLOGE("In-flight list too large: %zu", mInFlightMap.size());
+    }
+}
+
+
+void Camera3Device::sendCaptureResult(CameraMetadata &pendingMetadata,
+        CaptureResultExtras &resultExtras,
+        CameraMetadata &collectedPartialResult,
+        uint32_t frameNumber) {
+    if (pendingMetadata.isEmpty())
+        return;
+
+    Mutex::Autolock l(mOutputLock);
+
+    // TODO: need to track errors for tighter bounds on expected frame number
+    if (frameNumber < mNextResultFrameNumber) {
+        SET_ERR("Out-of-order capture result metadata submitted! "
+                "(got frame number %d, expecting %d)",
+                frameNumber, mNextResultFrameNumber);
+        return;
+    }
+    mNextResultFrameNumber = frameNumber + 1;
+
+    CaptureResult captureResult;
+    captureResult.mResultExtras = resultExtras;
+    captureResult.mMetadata = pendingMetadata;
+
+    if (captureResult.mMetadata.update(ANDROID_REQUEST_FRAME_COUNT,
+            (int32_t*)&frameNumber, 1) != OK) {
+        SET_ERR("Failed to set frame# in metadata (%d)",
+                frameNumber);
+        return;
+    } else {
+        ALOGVV("%s: Camera %d: Set frame# in metadata (%d)",
+                __FUNCTION__, mId, frameNumber);
+    }
+
+    // Append any previous partials to form a complete result
+    if (mUsePartialResult && !collectedPartialResult.isEmpty()) {
+        captureResult.mMetadata.append(collectedPartialResult);
+    }
+
+    captureResult.mMetadata.sort();
+
+    // Check that there's a timestamp in the result metadata
+    camera_metadata_entry entry =
+            captureResult.mMetadata.find(ANDROID_SENSOR_TIMESTAMP);
+    if (entry.count == 0) {
+        SET_ERR("No timestamp provided by HAL for frame %d!",
+                frameNumber);
+        return;
+    }
+
+    // Valid result, insert into queue
+    List<CaptureResult>::iterator queuedResult =
+            mResultQueue.insert(mResultQueue.end(), CaptureResult(captureResult));
+    ALOGVV("%s: result requestId = %" PRId32 ", frameNumber = %" PRId64
+           ", burstId = %" PRId32, __FUNCTION__,
+           queuedResult->mResultExtras.requestId,
+           queuedResult->mResultExtras.frameNumber,
+           queuedResult->mResultExtras.burstId);
+
+    mResultSignal.signal();
+}
+
 /**
  * Camera HAL device callback methods
  */
@@ -1914,11 +2039,14 @@
     CaptureResultExtras resultExtras;
     bool hasInputBufferInRequest = false;
 
-    // Get capture timestamp and resultExtras from list of in-flight requests,
-    // where it was added by the shutter notification for this frame.
-    // Then update the in-flight status and remove the in-flight entry if
-    // all result data has been received.
-    nsecs_t timestamp = 0;
+    // Get shutter timestamp and resultExtras from list of in-flight requests,
+    // where it was added by the shutter notification for this frame. If the
+    // shutter timestamp isn't received yet, append the output buffers to the
+    // in-flight request and they will be returned when the shutter timestamp
+    // arrives. Update the in-flight status and remove the in-flight entry if
+    // all result data and shutter timestamp have been received.
+    nsecs_t shutterTimestamp = 0;
+
     {
         Mutex::Autolock l(mInFlightLock);
         ssize_t idx = mInFlightMap.indexOfKey(frameNumber);
@@ -1928,13 +2056,17 @@
             return;
         }
         InFlightRequest &request = mInFlightMap.editValueAt(idx);
-        ALOGVV("%s: got InFlightRequest requestId = %" PRId32 ", frameNumber = %" PRId64
-                ", burstId = %" PRId32,
-                __FUNCTION__, request.resultExtras.requestId, request.resultExtras.frameNumber,
-                request.resultExtras.burstId);
-        // Always update the partial count to the latest one. When framework aggregates adjacent
-        // partial results into one, the latest partial count will be used.
-        request.resultExtras.partialResultCount = result->partial_result;
+        ALOGVV("%s: got InFlightRequest requestId = %" PRId32
+                ", frameNumber = %" PRId64 ", burstId = %" PRId32
+                ", partialResultCount = %d",
+                __FUNCTION__, request.resultExtras.requestId,
+                request.resultExtras.frameNumber, request.resultExtras.burstId,
+                result->partial_result);
+        // Always update the partial count to the latest one if it's not 0
+        // (buffers only). When framework aggregates adjacent partial results
+        // into one, the latest partial count will be used.
+        if (result->partial_result != 0)
+            request.resultExtras.partialResultCount = result->partial_result;
 
         // Check if this result carries only partial metadata
         if (mUsePartialResult && result->result != NULL) {
@@ -1978,22 +2110,9 @@
             }
         }
 
-        timestamp = request.captureTimestamp;
-        resultExtras = request.resultExtras;
+        shutterTimestamp = request.shutterTimestamp;
         hasInputBufferInRequest = request.hasInputBuffer;
 
-        /**
-         * One of the following must happen before it's legal to call process_capture_result,
-         * unless partial metadata is being provided:
-         * - CAMERA3_MSG_SHUTTER (expected during normal operation)
-         * - CAMERA3_MSG_ERROR (expected during flush)
-         */
-        if (request.requestStatus == OK && timestamp == 0 && !isPartialResult) {
-            SET_ERR("Called before shutter notify for frame %d",
-                    frameNumber);
-            return;
-        }
-
         // Did we get the (final) result metadata for this capture?
         if (result->result != NULL && !isPartialResult) {
             if (request.haveResultMetadata) {
@@ -2026,99 +2145,38 @@
             return;
         }
 
-        // Check if everything has arrived for this result (buffers and metadata), remove it from
-        // InFlightMap if both arrived or HAL reports error for this request (i.e. during flush).
-        if ((request.requestStatus != OK) ||
-                (request.haveResultMetadata && request.numBuffersLeft == 0)) {
-            ATRACE_ASYNC_END("frame capture", frameNumber);
-            mInFlightMap.removeItemsAt(idx, 1);
+        camera_metadata_ro_entry_t entry;
+        res = find_camera_metadata_ro_entry(result->result,
+                ANDROID_SENSOR_TIMESTAMP, &entry);
+        if (res == OK && entry.count == 1) {
+            request.sensorTimestamp = entry.data.i64[0];
         }
 
-        // Sanity check - if we have too many in-flight frames, something has
-        // likely gone wrong
-        if (mInFlightMap.size() > kInFlightWarnLimit) {
-            CLOGE("In-flight list too large: %zu", mInFlightMap.size());
-        }
-
-    }
-
-    // Process the result metadata, if provided
-    bool gotResult = false;
-    if (result->result != NULL && !isPartialResult) {
-        Mutex::Autolock l(mOutputLock);
-
-        gotResult = true;
-
-        // TODO: need to track errors for tighter bounds on expected frame number
-        if (frameNumber < mNextResultFrameNumber) {
-            SET_ERR("Out-of-order capture result metadata submitted! "
-                    "(got frame number %d, expecting %d)",
-                    frameNumber, mNextResultFrameNumber);
-            return;
-        }
-        mNextResultFrameNumber = frameNumber + 1;
-
-        CaptureResult captureResult;
-        captureResult.mResultExtras = resultExtras;
-        captureResult.mMetadata = result->result;
-
-        if (captureResult.mMetadata.update(ANDROID_REQUEST_FRAME_COUNT,
-                (int32_t*)&frameNumber, 1) != OK) {
-            SET_ERR("Failed to set frame# in metadata (%d)",
-                    frameNumber);
-            gotResult = false;
+        // If shutter event isn't received yet, append the output buffers to
+        // the in-flight request. Otherwise, return the output buffers to
+        // streams.
+        if (shutterTimestamp == 0) {
+            request.pendingOutputBuffers.appendArray(result->output_buffers,
+                result->num_output_buffers);
         } else {
-            ALOGVV("%s: Camera %d: Set frame# in metadata (%d)",
-                    __FUNCTION__, mId, frameNumber);
+            returnOutputBuffers(result->output_buffers,
+                result->num_output_buffers, shutterTimestamp);
         }
 
-        // Append any previous partials to form a complete result
-        if (mUsePartialResult && !collectedPartialResult.isEmpty()) {
-            captureResult.mMetadata.append(collectedPartialResult);
+        if (result->result != NULL && !isPartialResult) {
+            if (shutterTimestamp == 0) {
+                request.pendingMetadata = result->result;
+                request.partialResult.collectedResult = collectedPartialResult;
+            } else {
+                CameraMetadata metadata;
+                metadata = result->result;
+                sendCaptureResult(metadata, request.resultExtras,
+                    collectedPartialResult, frameNumber);
+            }
         }
 
-        captureResult.mMetadata.sort();
-
-        // Check that there's a timestamp in the result metadata
-
-        camera_metadata_entry entry =
-                captureResult.mMetadata.find(ANDROID_SENSOR_TIMESTAMP);
-        if (entry.count == 0) {
-            SET_ERR("No timestamp provided by HAL for frame %d!",
-                    frameNumber);
-            gotResult = false;
-        } else if (timestamp != entry.data.i64[0]) {
-            SET_ERR("Timestamp mismatch between shutter notify and result"
-                    " metadata for frame %d (%" PRId64 " vs %" PRId64 " respectively)",
-                    frameNumber, timestamp, entry.data.i64[0]);
-            gotResult = false;
-        }
-
-        if (gotResult) {
-            // Valid result, insert into queue
-            List<CaptureResult>::iterator queuedResult =
-                    mResultQueue.insert(mResultQueue.end(), CaptureResult(captureResult));
-            ALOGVV("%s: result requestId = %" PRId32 ", frameNumber = %" PRId64
-                   ", burstId = %" PRId32, __FUNCTION__,
-                   queuedResult->mResultExtras.requestId,
-                   queuedResult->mResultExtras.frameNumber,
-                   queuedResult->mResultExtras.burstId);
-        }
-    } // scope for mOutputLock
-
-    // Return completed buffers to their streams with the timestamp
-
-    for (size_t i = 0; i < result->num_output_buffers; i++) {
-        Camera3Stream *stream =
-                Camera3Stream::cast(result->output_buffers[i].stream);
-        res = stream->returnBuffer(result->output_buffers[i], timestamp);
-        // Note: stream may be deallocated at this point, if this buffer was the
-        // last reference to it.
-        if (res != OK) {
-            ALOGE("Can't return buffer %zu for frame %d to its stream: "
-                    " %s (%d)", i, frameNumber, strerror(-res), res);
-        }
-    }
+        removeInFlightRequestIfReadyLocked(idx);
+    } // scope for mInFlightLock
 
     if (result->input_buffer != NULL) {
         if (hasInputBufferInRequest) {
@@ -2138,13 +2196,6 @@
                     __FUNCTION__);
         }
     }
-
-    // Finally, signal any waiters for new frames
-
-    if (gotResult) {
-        mResultSignal.signal();
-    }
-
 }
 
 void Camera3Device::notify(const camera3_notify_msg *msg) {
@@ -2262,8 +2313,6 @@
         mNextShutterFrameNumber = msg.frame_number + 1;
     }
 
-    CaptureResultExtras resultExtras;
-
     // Set timestamp for the request in the in-flight tracking
     // and get the request ID to send upstream
     {
@@ -2271,21 +2320,30 @@
         idx = mInFlightMap.indexOfKey(msg.frame_number);
         if (idx >= 0) {
             InFlightRequest &r = mInFlightMap.editValueAt(idx);
-            r.captureTimestamp = msg.timestamp;
-            resultExtras = r.resultExtras;
+
+            ALOGVV("Camera %d: %s: Shutter fired for frame %d (id %d) at %" PRId64,
+                    mId, __FUNCTION__,
+                    msg.frame_number, r.resultExtras.requestId, msg.timestamp);
+            // Call listener, if any
+            if (listener != NULL) {
+                listener->notifyShutter(r.resultExtras, msg.timestamp);
+            }
+
+            r.shutterTimestamp = msg.timestamp;
+
+            // send pending result and buffers
+            sendCaptureResult(r.pendingMetadata, r.resultExtras,
+                r.partialResult.collectedResult, msg.frame_number);
+            returnOutputBuffers(r.pendingOutputBuffers.array(),
+                r.pendingOutputBuffers.size(), r.shutterTimestamp);
+            r.pendingOutputBuffers.clear();
+
+            removeInFlightRequestIfReadyLocked(idx);
         }
     }
     if (idx < 0) {
         SET_ERR("Shutter notification for non-existent frame number %d",
                 msg.frame_number);
-        return;
-    }
-    ALOGVV("Camera %d: %s: Shutter fired for frame %d (id %d) at %" PRId64,
-            mId, __FUNCTION__,
-            msg.frame_number, resultExtras.requestId, msg.timestamp);
-    // Call listener, if any
-    if (listener != NULL) {
-        listener->notifyShutter(resultExtras, msg.timestamp);
     }
 }
 
diff --git a/services/camera/libcameraservice/device3/Camera3Device.h b/services/camera/libcameraservice/device3/Camera3Device.h
index ec6bba1..ec8dc10 100644
--- a/services/camera/libcameraservice/device3/Camera3Device.h
+++ b/services/camera/libcameraservice/device3/Camera3Device.h
@@ -521,7 +521,9 @@
 
     struct InFlightRequest {
         // Set by notify() SHUTTER call.
-        nsecs_t captureTimestamp;
+        nsecs_t shutterTimestamp;
+        // Set by process_capture_result().
+        nsecs_t sensorTimestamp;
         int     requestStatus;
         // Set by process_capture_result call with valid metadata
         bool    haveResultMetadata;
@@ -532,6 +534,21 @@
         // If this request has any input buffer
         bool hasInputBuffer;
 
+
+        // The last metadata that framework receives from HAL and
+        // not yet send out because the shutter event hasn't arrived.
+        // It's added by process_capture_result and sent when framework
+        // receives the shutter event.
+        CameraMetadata pendingMetadata;
+
+        // Buffers are added by process_capture_result when output buffers
+        // return from HAL but framework has not yet received the shutter
+        // event. They will be returned to the streams when framework receives
+        // the shutter event.
+        Vector<camera3_stream_buffer_t> pendingOutputBuffers;
+
+
+
         // Fields used by the partial result only
         struct PartialResultInFlight {
             // Set by process_capture_result once 3A has been sent to clients
@@ -546,7 +563,8 @@
 
         // Default constructor needed by KeyedVector
         InFlightRequest() :
-                captureTimestamp(0),
+                shutterTimestamp(0),
+                sensorTimestamp(0),
                 requestStatus(OK),
                 haveResultMetadata(false),
                 numBuffersLeft(0),
@@ -554,7 +572,8 @@
         }
 
         InFlightRequest(int numBuffers) :
-                captureTimestamp(0),
+                shutterTimestamp(0),
+                sensorTimestamp(0),
                 requestStatus(OK),
                 haveResultMetadata(false),
                 numBuffersLeft(numBuffers),
@@ -562,7 +581,8 @@
         }
 
         InFlightRequest(int numBuffers, CaptureResultExtras extras) :
-                captureTimestamp(0),
+                shutterTimestamp(0),
+                sensorTimestamp(0),
                 requestStatus(OK),
                 haveResultMetadata(false),
                 numBuffersLeft(numBuffers),
@@ -571,7 +591,8 @@
         }
 
         InFlightRequest(int numBuffers, CaptureResultExtras extras, bool hasInput) :
-                captureTimestamp(0),
+                shutterTimestamp(0),
+                sensorTimestamp(0),
                 requestStatus(OK),
                 haveResultMetadata(false),
                 numBuffersLeft(numBuffers),
@@ -639,6 +660,24 @@
     void notifyShutter(const camera3_shutter_msg_t &msg,
             NotificationListener *listener);
 
+    // helper function to return the output buffers to the streams.
+    void returnOutputBuffers(const camera3_stream_buffer_t *outputBuffers,
+            size_t numBuffers, nsecs_t timestamp);
+
+    // Insert the capture result given the pending metadata, result extras,
+    // partial results, and the frame number to the result queue.
+    void sendCaptureResult(CameraMetadata &pendingMetadata,
+            CaptureResultExtras &resultExtras,
+            CameraMetadata &collectedPartialResult, uint32_t frameNumber);
+
+    /**** Scope for mInFlightLock ****/
+
+    // Remove the in-flight request of the given index from mInFlightMap
+    // if it's no longer needed. It must only be called with mInFlightLock held.
+    void removeInFlightRequestIfReadyLocked(int idx);
+
+    /**** End scope for mInFlightLock ****/
+
     /**
      * Static callback forwarding methods from HAL to instance
      */
diff --git a/services/camera/libcameraservice/gui/RingBufferConsumer.cpp b/services/camera/libcameraservice/gui/RingBufferConsumer.cpp
index f8562ec..d0f29de 100644
--- a/services/camera/libcameraservice/gui/RingBufferConsumer.cpp
+++ b/services/camera/libcameraservice/gui/RingBufferConsumer.cpp
@@ -268,7 +268,7 @@
     return OK;
 }
 
-void RingBufferConsumer::onFrameAvailable() {
+void RingBufferConsumer::onFrameAvailable(const android::BufferItem& item) {
     status_t err;
 
     {
@@ -321,7 +321,7 @@
         item.mGraphicBuffer = mSlots[item.mBuf].mGraphicBuffer;
     } // end of mMutex lock
 
-    ConsumerBase::onFrameAvailable();
+    ConsumerBase::onFrameAvailable(item);
 }
 
 void RingBufferConsumer::unpinBuffer(const BufferItem& item) {
diff --git a/services/camera/libcameraservice/gui/RingBufferConsumer.h b/services/camera/libcameraservice/gui/RingBufferConsumer.h
index da97a11..90fd734 100644
--- a/services/camera/libcameraservice/gui/RingBufferConsumer.h
+++ b/services/camera/libcameraservice/gui/RingBufferConsumer.h
@@ -165,7 +165,7 @@
   private:
 
     // Override ConsumerBase::onFrameAvailable
-    virtual void onFrameAvailable();
+    virtual void onFrameAvailable(const android::BufferItem& item);
 
     void pinBufferLocked(const BufferItem& item);
     void unpinBuffer(const BufferItem& item);
diff --git a/services/soundtrigger/SoundTriggerHwService.cpp b/services/soundtrigger/SoundTriggerHwService.cpp
index b625b01..081aff7 100644
--- a/services/soundtrigger/SoundTriggerHwService.cpp
+++ b/services/soundtrigger/SoundTriggerHwService.cpp
@@ -535,6 +535,16 @@
             (struct sound_trigger_sound_model *)modelMemory->pointer();
 
     AutoMutex lock(mLock);
+
+    if (mModels.size() >= mDescriptor.properties.max_sound_models) {
+        if (mModels.size() == 0) {
+            return INVALID_OPERATION;
+        }
+        ALOGW("loadSoundModel() max number of models exceeded %d making room for a new one",
+              mDescriptor.properties.max_sound_models);
+        unloadSoundModel_l(mModels.valueAt(0)->mHandle);
+    }
+
     status_t status = mHwDevice->load_sound_model(mHwDevice,
                                                   sound_model,
                                                   SoundTriggerHwService::soundModelCallback,
@@ -566,6 +576,11 @@
     }
 
     AutoMutex lock(mLock);
+    return unloadSoundModel_l(handle);
+}
+
+status_t SoundTriggerHwService::Module::unloadSoundModel_l(sound_model_handle_t handle)
+{
     ssize_t index = mModels.indexOfKey(handle);
     if (index < 0) {
         return BAD_VALUE;
@@ -574,6 +589,7 @@
     mModels.removeItem(handle);
     if (model->mState == Model::STATE_ACTIVE) {
         mHwDevice->stop_recognition(mHwDevice, model->mHandle);
+        model->mState = Model::STATE_IDLE;
     }
     AudioSystem::releaseSoundTriggerSession(model->mCaptureSession);
     return mHwDevice->unload_sound_model(mHwDevice, handle);
diff --git a/services/soundtrigger/SoundTriggerHwService.h b/services/soundtrigger/SoundTriggerHwService.h
index d05dacd..2619a5f 100644
--- a/services/soundtrigger/SoundTriggerHwService.h
+++ b/services/soundtrigger/SoundTriggerHwService.h
@@ -141,6 +141,9 @@
 
     private:
 
+       status_t unloadSoundModel_l(sound_model_handle_t handle);
+
+
         Mutex                                  mLock;
         wp<SoundTriggerHwService>              mService;
         struct sound_trigger_hw_device*        mHwDevice;