diff --git a/apex/ld.config.txt b/apex/ld.config.txt
index a5937fd..af8ec06 100644
--- a/apex/ld.config.txt
+++ b/apex/ld.config.txt
@@ -37,9 +37,11 @@
 
 namespace.platform.isolated = true
 
-namespace.platform.search.paths = /system/${LIB}
+namespace.platform.search.paths  = /system/${LIB}
+namespace.platform.search.paths += /apex/com.android.runtime/${LIB}
 namespace.platform.asan.search.paths  = /data/asan/system/${LIB}
 namespace.platform.asan.search.paths +=           /system/${LIB}
+namespace.platform.asan.search.paths += /apex/com.android.runtime/${LIB}
 
 # /system/lib/libc.so, etc are symlinks to /apex/com.android.lib/lib/bionic/libc.so, etc.
 # Add /apex/... pat to the permitted paths because linker uses realpath(3)
diff --git a/apex/manifest.json b/apex/manifest.json
index 3011ee8..b11187d 100644
--- a/apex/manifest.json
+++ b/apex/manifest.json
@@ -1,4 +1,4 @@
 {
   "name": "com.android.media",
-  "version": 290000000
+  "version": 299900000
 }
diff --git a/apex/manifest_codec.json b/apex/manifest_codec.json
index 83a5178..09c436d 100644
--- a/apex/manifest_codec.json
+++ b/apex/manifest_codec.json
@@ -1,4 +1,4 @@
 {
   "name": "com.android.media.swcodec",
-  "version": 290000000
+  "version": 299900000
 }
diff --git a/camera/aidl/android/hardware/ICameraServiceListener.aidl b/camera/aidl/android/hardware/ICameraServiceListener.aidl
index e9dcbdb..47580f8 100644
--- a/camera/aidl/android/hardware/ICameraServiceListener.aidl
+++ b/camera/aidl/android/hardware/ICameraServiceListener.aidl
@@ -83,4 +83,12 @@
      * can retry after receiving this callback.
      */
     oneway void onCameraAccessPrioritiesChanged();
+
+    /**
+     * Notify registered clients about cameras being opened/closed.
+     * Only clients with android.permission.CAMERA_OPEN_CLOSE_LISTENER permission
+     * will receive such callbacks.
+     */
+    oneway void onCameraOpened(String cameraId, String clientPackageId);
+    oneway void onCameraClosed(String cameraId);
 }
diff --git a/camera/cameraserver/main_cameraserver.cpp b/camera/cameraserver/main_cameraserver.cpp
index 53b3d84..cef8ef5 100644
--- a/camera/cameraserver/main_cameraserver.cpp
+++ b/camera/cameraserver/main_cameraserver.cpp
@@ -34,6 +34,7 @@
     sp<IServiceManager> sm = defaultServiceManager();
     ALOGI("ServiceManager: %p", sm.get());
     CameraService::instantiate();
+    ALOGI("ServiceManager: %p done instantiate", sm.get());
     ProcessState::self()->startThreadPool();
     IPCThreadState::self()->joinThreadPool();
 }
diff --git a/camera/ndk/impl/ACameraCaptureSession.cpp b/camera/ndk/impl/ACameraCaptureSession.cpp
index d6f1412..68db233 100644
--- a/camera/ndk/impl/ACameraCaptureSession.cpp
+++ b/camera/ndk/impl/ACameraCaptureSession.cpp
@@ -33,7 +33,9 @@
         dev->unlockDevice();
     }
     // Fire onClosed callback
-    (*mUserSessionCallback.onClosed)(mUserSessionCallback.context, this);
+    if (mUserSessionCallback.onClosed != nullptr) {
+        (*mUserSessionCallback.onClosed)(mUserSessionCallback.context, this);
+    }
     ALOGV("~ACameraCaptureSession: %p is deleted", this);
 }
 
diff --git a/camera/ndk/impl/ACameraDevice.cpp b/camera/ndk/impl/ACameraDevice.cpp
index d24cb81..46a8dae 100644
--- a/camera/ndk/impl/ACameraDevice.cpp
+++ b/camera/ndk/impl/ACameraDevice.cpp
@@ -29,7 +29,7 @@
 #include "ACameraCaptureSession.inc"
 
 ACameraDevice::~ACameraDevice() {
-    mDevice->stopLooper();
+    mDevice->stopLooperAndDisconnect();
 }
 
 namespace android {
@@ -112,19 +112,7 @@
     }
 }
 
-// Device close implementaiton
-CameraDevice::~CameraDevice() {
-    sp<ACameraCaptureSession> session = mCurrentSession.promote();
-    {
-        Mutex::Autolock _l(mDeviceLock);
-        if (!isClosed()) {
-            disconnectLocked(session);
-        }
-        LOG_ALWAYS_FATAL_IF(mCbLooper != nullptr,
-                "CameraDevice looper should've been stopped before ~CameraDevice");
-        mCurrentSession = nullptr;
-    }
-}
+CameraDevice::~CameraDevice() { }
 
 void
 CameraDevice::postSessionMsgAndCleanup(sp<AMessage>& msg) {
@@ -892,8 +880,14 @@
     return;
 }
 
-void CameraDevice::stopLooper() {
+void CameraDevice::stopLooperAndDisconnect() {
     Mutex::Autolock _l(mDeviceLock);
+    sp<ACameraCaptureSession> session = mCurrentSession.promote();
+    if (!isClosed()) {
+        disconnectLocked(session);
+    }
+    mCurrentSession = nullptr;
+
     if (mCbLooper != nullptr) {
       mCbLooper->unregisterHandler(mHandler->id());
       mCbLooper->stop();
diff --git a/camera/ndk/impl/ACameraDevice.h b/camera/ndk/impl/ACameraDevice.h
index 7a35bf0..6c2ceb3 100644
--- a/camera/ndk/impl/ACameraDevice.h
+++ b/camera/ndk/impl/ACameraDevice.h
@@ -40,6 +40,7 @@
 
 #include <camera/NdkCameraManager.h>
 #include <camera/NdkCameraCaptureSession.h>
+
 #include "ACameraMetadata.h"
 
 namespace android {
@@ -110,7 +111,7 @@
     inline ACameraDevice* getWrapper() const { return mWrapper; };
 
     // Stop the looper thread and unregister the handler
-    void stopLooper();
+    void stopLooperAndDisconnect();
 
   private:
     friend ACameraCaptureSession;
diff --git a/camera/ndk/impl/ACameraManager.h b/camera/ndk/impl/ACameraManager.h
index 8c1da36..28fec82 100644
--- a/camera/ndk/impl/ACameraManager.h
+++ b/camera/ndk/impl/ACameraManager.h
@@ -92,6 +92,12 @@
         }
 
         virtual binder::Status onCameraAccessPrioritiesChanged();
+        virtual binder::Status onCameraOpened(const String16&, const String16&) {
+            return binder::Status::ok();
+        }
+        virtual binder::Status onCameraClosed(const String16&) {
+            return binder::Status::ok();
+        }
 
       private:
         const wp<CameraManagerGlobal> mCameraManager;
diff --git a/camera/ndk/ndk_vendor/impl/ACameraDevice.cpp b/camera/ndk/ndk_vendor/impl/ACameraDevice.cpp
index 35c8355..e511a3f 100644
--- a/camera/ndk/ndk_vendor/impl/ACameraDevice.cpp
+++ b/camera/ndk/ndk_vendor/impl/ACameraDevice.cpp
@@ -45,7 +45,7 @@
 using namespace android;
 
 ACameraDevice::~ACameraDevice() {
-    mDevice->stopLooper();
+    mDevice->stopLooperAndDisconnect();
 }
 
 namespace android {
@@ -125,19 +125,7 @@
     }
 }
 
-// Device close implementaiton
-CameraDevice::~CameraDevice() {
-    sp<ACameraCaptureSession> session = mCurrentSession.promote();
-    {
-        Mutex::Autolock _l(mDeviceLock);
-        if (!isClosed()) {
-            disconnectLocked(session);
-        }
-        mCurrentSession = nullptr;
-        LOG_ALWAYS_FATAL_IF(mCbLooper != nullptr,
-            "CameraDevice looper should've been stopped before ~CameraDevice");
-    }
-}
+CameraDevice::~CameraDevice() { }
 
 void
 CameraDevice::postSessionMsgAndCleanup(sp<AMessage>& msg) {
@@ -1388,6 +1376,7 @@
             // before cbh goes out of scope and causing we call the session
             // destructor while holding device lock
             cbh.mSession.clear();
+
             postSessionMsgAndCleanup(msg);
         }
 
@@ -1400,8 +1389,13 @@
     }
 }
 
-void CameraDevice::stopLooper() {
+void CameraDevice::stopLooperAndDisconnect() {
     Mutex::Autolock _l(mDeviceLock);
+    sp<ACameraCaptureSession> session = mCurrentSession.promote();
+    if (!isClosed()) {
+        disconnectLocked(session);
+    }
+    mCurrentSession = nullptr;
     if (mCbLooper != nullptr) {
       mCbLooper->unregisterHandler(mHandler->id());
       mCbLooper->stop();
diff --git a/camera/ndk/ndk_vendor/impl/ACameraDevice.h b/camera/ndk/ndk_vendor/impl/ACameraDevice.h
index 3328a85..7fc699e 100644
--- a/camera/ndk/ndk_vendor/impl/ACameraDevice.h
+++ b/camera/ndk/ndk_vendor/impl/ACameraDevice.h
@@ -36,6 +36,7 @@
 
 #include <camera/NdkCameraManager.h>
 #include <camera/NdkCameraCaptureSession.h>
+
 #include "ACameraMetadata.h"
 #include "utils.h"
 
@@ -134,10 +135,11 @@
     inline ACameraDevice* getWrapper() const { return mWrapper; };
 
     // Stop the looper thread and unregister the handler
-    void stopLooper();
+    void stopLooperAndDisconnect();
 
   private:
     friend ACameraCaptureSession;
+    friend ACameraDevice;
 
     camera_status_t checkCameraClosedOrErrorLocked() const;
 
@@ -387,7 +389,6 @@
             mDevice(new android::acam::CameraDevice(id, cb, std::move(chars), this)) {}
 
     ~ACameraDevice();
-
     /*******************
      * NDK public APIs *
      *******************/
diff --git a/camera/ndk/ndk_vendor/tests/AImageReaderVendorTest.cpp b/camera/ndk/ndk_vendor/tests/AImageReaderVendorTest.cpp
index 37de30a..938b5f5 100644
--- a/camera/ndk/ndk_vendor/tests/AImageReaderVendorTest.cpp
+++ b/camera/ndk/ndk_vendor/tests/AImageReaderVendorTest.cpp
@@ -24,6 +24,7 @@
 #include <algorithm>
 #include <mutex>
 #include <string>
+#include <variant>
 #include <vector>
 #include <stdio.h>
 #include <stdio.h>
@@ -49,6 +50,7 @@
 static constexpr int kTestImageFormat = AIMAGE_FORMAT_YUV_420_888;
 
 using android::hardware::camera::common::V1_0::helper::VendorTagDescriptorCache;
+using ConfiguredWindows = std::set<native_handle_t *>;
 
 class CameraHelper {
    public:
@@ -60,9 +62,12 @@
         const char* physicalCameraId;
         native_handle_t* anw;
     };
-    int initCamera(native_handle_t* imgReaderAnw,
+
+    // Retaining the error code in case the caller needs to analyze it.
+    std::variant<int, ConfiguredWindows> initCamera(native_handle_t* imgReaderAnw,
             const std::vector<PhysicalImgReaderInfo>& physicalImgReaders,
             bool usePhysicalSettings) {
+        ConfiguredWindows configuredWindows;
         if (imgReaderAnw == nullptr) {
             ALOGE("Cannot initialize camera before image reader get initialized.");
             return -1;
@@ -78,7 +83,7 @@
         ret = ACameraManager_openCamera(mCameraManager, mCameraId, &mDeviceCb, &mDevice);
         if (ret != AMEDIA_OK || mDevice == nullptr) {
             ALOGE("Failed to open camera, ret=%d, mDevice=%p.", ret, mDevice);
-            return -1;
+            return ret;
         }
 
         // Create capture session
@@ -97,8 +102,9 @@
             ALOGE("ACaptureSessionOutputContainer_add failed, ret=%d", ret);
             return ret;
         }
-
+        configuredWindows.insert(mImgReaderAnw);
         std::vector<const char*> idPointerList;
+        std::set<const native_handle_t*> physicalStreamMap;
         for (auto& physicalStream : physicalImgReaders) {
             ACaptureSessionOutput* sessionOutput = nullptr;
             ret = ACaptureSessionPhysicalOutput_create(physicalStream.anw,
@@ -112,21 +118,25 @@
                 ALOGE("ACaptureSessionOutputContainer_add failed, ret=%d", ret);
                 return ret;
             }
-            mExtraOutputs.push_back(sessionOutput);
+            ret = ACameraDevice_isSessionConfigurationSupported(mDevice, mOutputs);
+            if (ret != ACAMERA_OK && ret != ACAMERA_ERROR_UNSUPPORTED_OPERATION) {
+                ALOGW("ACameraDevice_isSessionConfigurationSupported failed, ret=%d camera id %s",
+                      ret, mCameraId);
+                ACaptureSessionOutputContainer_remove(mOutputs, sessionOutput);
+                ACaptureSessionOutput_free(sessionOutput);
+                continue;
+            }
+            configuredWindows.insert(physicalStream.anw);
             // Assume that at most one physical stream per physical camera.
             mPhysicalCameraIds.push_back(physicalStream.physicalCameraId);
             idPointerList.push_back(physicalStream.physicalCameraId);
+            physicalStreamMap.insert(physicalStream.anw);
+            mSessionPhysicalOutputs.push_back(sessionOutput);
         }
         ACameraIdList cameraIdList;
         cameraIdList.numCameras = idPointerList.size();
         cameraIdList.cameraIds = idPointerList.data();
 
-        ret = ACameraDevice_isSessionConfigurationSupported(mDevice, mOutputs);
-        if (ret != ACAMERA_OK && ret != ACAMERA_ERROR_UNSUPPORTED_OPERATION) {
-            ALOGE("ACameraDevice_isSessionConfigurationSupported failed, ret=%d", ret);
-            return ret;
-        }
-
         ret = ACameraDevice_createCaptureSession(mDevice, mOutputs, &mSessionCb, &mSession);
         if (ret != AMEDIA_OK) {
             ALOGE("ACameraDevice_createCaptureSession failed, ret=%d", ret);
@@ -157,6 +167,10 @@
         }
 
         for (auto& physicalStream : physicalImgReaders) {
+            if (physicalStreamMap.find(physicalStream.anw) == physicalStreamMap.end()) {
+                ALOGI("Skipping physicalStream anw=%p", physicalStream.anw);
+                continue;
+            }
             ACameraOutputTarget* outputTarget = nullptr;
             ret = ACameraOutputTarget_create(physicalStream.anw, &outputTarget);
             if (ret != AMEDIA_OK) {
@@ -168,11 +182,11 @@
                 ALOGE("ACaptureRequest_addTarget failed, ret=%d", ret);
                 return ret;
             }
-            mReqExtraOutputs.push_back(outputTarget);
+            mReqPhysicalOutputs.push_back(outputTarget);
         }
 
         mIsCameraReady = true;
-        return 0;
+        return configuredWindows;
     }
 
 
@@ -184,10 +198,10 @@
             ACameraOutputTarget_free(mReqImgReaderOutput);
             mReqImgReaderOutput = nullptr;
         }
-        for (auto& outputTarget : mReqExtraOutputs) {
+        for (auto& outputTarget : mReqPhysicalOutputs) {
             ACameraOutputTarget_free(outputTarget);
         }
-        mReqExtraOutputs.clear();
+        mReqPhysicalOutputs.clear();
         if (mStillRequest) {
             ACaptureRequest_free(mStillRequest);
             mStillRequest = nullptr;
@@ -201,10 +215,10 @@
             ACaptureSessionOutput_free(mImgReaderOutput);
             mImgReaderOutput = nullptr;
         }
-        for (auto& extraOutput : mExtraOutputs) {
+        for (auto& extraOutput : mSessionPhysicalOutputs) {
             ACaptureSessionOutput_free(extraOutput);
         }
-        mExtraOutputs.clear();
+        mSessionPhysicalOutputs.clear();
         if (mOutputs) {
             ACaptureSessionOutputContainer_free(mOutputs);
             mOutputs = nullptr;
@@ -239,21 +253,9 @@
         return true;
     }
 
-    static void onDeviceDisconnected(void* /*obj*/, ACameraDevice* /*device*/) {}
-
-    static void onDeviceError(void* /*obj*/, ACameraDevice* /*device*/, int /*errorCode*/) {}
-
-    static void onSessionClosed(void* /*obj*/, ACameraCaptureSession* /*session*/) {}
-
-    static void onSessionReady(void* /*obj*/, ACameraCaptureSession* /*session*/) {}
-
-    static void onSessionActive(void* /*obj*/, ACameraCaptureSession* /*session*/) {}
-
    private:
-    ACameraDevice_StateCallbacks mDeviceCb{this, onDeviceDisconnected,
-                                           onDeviceError};
-    ACameraCaptureSession_stateCallbacks mSessionCb{
-        this, onSessionClosed, onSessionReady, onSessionActive};
+    ACameraDevice_StateCallbacks mDeviceCb{this, nullptr, nullptr};
+    ACameraCaptureSession_stateCallbacks mSessionCb{ this, nullptr, nullptr, nullptr};
 
     native_handle_t* mImgReaderAnw = nullptr;  // not owned by us.
 
@@ -262,13 +264,13 @@
     // Capture session
     ACaptureSessionOutputContainer* mOutputs = nullptr;
     ACaptureSessionOutput* mImgReaderOutput = nullptr;
-    std::vector<ACaptureSessionOutput*> mExtraOutputs;
+    std::vector<ACaptureSessionOutput*> mSessionPhysicalOutputs;
 
     ACameraCaptureSession* mSession = nullptr;
     // Capture request
     ACaptureRequest* mStillRequest = nullptr;
     ACameraOutputTarget* mReqImgReaderOutput = nullptr;
-    std::vector<ACameraOutputTarget*> mReqExtraOutputs;
+    std::vector<ACameraOutputTarget*> mReqPhysicalOutputs;
 
     bool mIsCameraReady = false;
     const char* mCameraId;
@@ -581,9 +583,11 @@
         }
 
         CameraHelper cameraHelper(id, mCameraManager);
-        ret = cameraHelper.initCamera(testCase.getNativeWindow(),
-                {}/*physicalImageReaders*/, false/*usePhysicalSettings*/);
-        if (ret < 0) {
+        std::variant<int, ConfiguredWindows> retInit =
+                cameraHelper.initCamera(testCase.getNativeWindow(), {}/*physicalImageReaders*/,
+                                        false/*usePhysicalSettings*/);
+        int *retp = std::get_if<int>(&retInit);
+        if (retp) {
             ALOGE("Unable to initialize camera helper");
             return false;
         }
@@ -751,10 +755,15 @@
         physicalImgReaderInfo.push_back({physicalCameraIds[0], testCases[1]->getNativeWindow()});
         physicalImgReaderInfo.push_back({physicalCameraIds[1], testCases[2]->getNativeWindow()});
 
-        int ret = cameraHelper.initCamera(testCases[0]->getNativeWindow(),
-                physicalImgReaderInfo, usePhysicalSettings);
-        ASSERT_EQ(ret, 0);
-
+        std::variant<int, ConfiguredWindows> retInit =
+                cameraHelper.initCamera(testCases[0]->getNativeWindow(), physicalImgReaderInfo,
+                                        usePhysicalSettings);
+        int *retp = std::get_if<int>(&retInit);
+        ASSERT_EQ(retp, nullptr);
+        ConfiguredWindows *configuredWindowsp = std::get_if<ConfiguredWindows>(&retInit);
+        ASSERT_NE(configuredWindowsp, nullptr);
+        ASSERT_LE(configuredWindowsp->size(), testCases.size());
+        int ret = 0;
         if (!cameraHelper.isCameraReady()) {
             ALOGW("Camera is not ready after successful initialization. It's either due to camera "
                   "on board lacks BACKWARDS_COMPATIBLE capability or the device does not have "
@@ -776,9 +785,15 @@
                 break;
             }
         }
-        ASSERT_EQ(testCases[0]->getAcquiredImageCount(), pictureCount);
-        ASSERT_EQ(testCases[1]->getAcquiredImageCount(), pictureCount);
-        ASSERT_EQ(testCases[2]->getAcquiredImageCount(), pictureCount);
+        for(auto &testCase : testCases) {
+            auto it = configuredWindowsp->find(testCase->getNativeWindow());
+            if (it == configuredWindowsp->end()) {
+                continue;
+            }
+            ALOGI("Testing window %p", testCase->getNativeWindow());
+            ASSERT_EQ(testCase->getAcquiredImageCount(), pictureCount);
+        }
+
         ASSERT_TRUE(cameraHelper.checkCallbacks(pictureCount));
 
         ACameraMetadata_free(staticMetadata);
diff --git a/camera/tests/CameraBinderTests.cpp b/camera/tests/CameraBinderTests.cpp
index 8fe029a..dc5afc5 100644
--- a/camera/tests/CameraBinderTests.cpp
+++ b/camera/tests/CameraBinderTests.cpp
@@ -95,6 +95,17 @@
         return binder::Status::ok();
     }
 
+    virtual binder::Status onCameraOpened(const String16& /*cameraId*/,
+            const String16& /*clientPackageName*/) {
+        // No op
+        return binder::Status::ok();
+    }
+
+    virtual binder::Status onCameraClosed(const String16& /*cameraId*/) {
+        // No op
+        return binder::Status::ok();
+    }
+
     bool waitForNumCameras(size_t num) const {
         Mutex::Autolock l(mLock);
 
diff --git a/drm/libmediadrm/IDrm.cpp b/drm/libmediadrm/IDrm.cpp
index 51274d1..c2cc429 100644
--- a/drm/libmediadrm/IDrm.cpp
+++ b/drm/libmediadrm/IDrm.cpp
@@ -1071,6 +1071,7 @@
             Vector<uint8_t> keySetId;
             readVector(data, keySetId);
             DrmPlugin::OfflineLicenseState state;
+            state = DrmPlugin::OfflineLicenseState::kOfflineLicenseStateUnknown;
             status_t result = getOfflineLicenseState(keySetId, &state);
             reply->writeInt32(static_cast<DrmPlugin::OfflineLicenseState>(state));
             reply->writeInt32(result);
diff --git a/drm/mediadrm/plugins/clearkey/default/InitDataParser.cpp b/drm/mediadrm/plugins/clearkey/default/InitDataParser.cpp
index caff393..121a4e2 100644
--- a/drm/mediadrm/plugins/clearkey/default/InitDataParser.cpp
+++ b/drm/mediadrm/plugins/clearkey/default/InitDataParser.cpp
@@ -76,10 +76,21 @@
 
 android::status_t InitDataParser::parsePssh(const Vector<uint8_t>& initData,
         Vector<const uint8_t*>* keyIds) {
+    // Description of PSSH format:
+    // https://w3c.github.io/encrypted-media/format-registry/initdata/cenc.html
     size_t readPosition = 0;
 
-    // Validate size field
     uint32_t expectedSize = initData.size();
+    const char psshIdentifier[4] = {'p', 's', 's', 'h'};
+    const uint8_t psshVersion1[4] = {1, 0, 0, 0};
+    uint32_t keyIdCount = 0;
+    size_t headerSize = sizeof(expectedSize) + sizeof(psshIdentifier) +
+                        sizeof(psshVersion1) + kSystemIdSize + sizeof(keyIdCount);
+    if (initData.size() < headerSize) {
+        return android::ERROR_DRM_CANNOT_HANDLE;
+    }
+
+    // Validate size field
     expectedSize = htonl(expectedSize);
     if (memcmp(&initData[readPosition], &expectedSize,
                sizeof(expectedSize)) != 0) {
@@ -88,7 +99,6 @@
     readPosition += sizeof(expectedSize);
 
     // Validate PSSH box identifier
-    const char psshIdentifier[4] = {'p', 's', 's', 'h'};
     if (memcmp(&initData[readPosition], psshIdentifier,
                sizeof(psshIdentifier)) != 0) {
         return android::ERROR_DRM_CANNOT_HANDLE;
@@ -96,7 +106,6 @@
     readPosition += sizeof(psshIdentifier);
 
     // Validate EME version number
-    const uint8_t psshVersion1[4] = {1, 0, 0, 0};
     if (memcmp(&initData[readPosition], psshVersion1,
                sizeof(psshVersion1)) != 0) {
         return android::ERROR_DRM_CANNOT_HANDLE;
@@ -110,12 +119,14 @@
     readPosition += kSystemIdSize;
 
     // Read key ID count
-    uint32_t keyIdCount;
     memcpy(&keyIdCount, &initData[readPosition], sizeof(keyIdCount));
     keyIdCount = ntohl(keyIdCount);
     readPosition += sizeof(keyIdCount);
-    if (readPosition + ((uint64_t)keyIdCount * kKeyIdSize) !=
-            initData.size() - sizeof(uint32_t)) {
+
+    uint64_t psshSize = 0;
+    if (__builtin_mul_overflow(keyIdCount, kKeyIdSize, &psshSize) ||
+        __builtin_add_overflow(readPosition, psshSize, &psshSize) ||
+        psshSize != initData.size() - sizeof(uint32_t) /* DataSize(0) */) {
         return android::ERROR_DRM_CANNOT_HANDLE;
     }
 
diff --git a/drm/mediadrm/plugins/clearkey/hidl/DrmPlugin.cpp b/drm/mediadrm/plugins/clearkey/hidl/DrmPlugin.cpp
index 7cb5a38..546eb3e 100644
--- a/drm/mediadrm/plugins/clearkey/hidl/DrmPlugin.cpp
+++ b/drm/mediadrm/plugins/clearkey/hidl/DrmPlugin.cpp
@@ -111,6 +111,8 @@
 // The content in this secure stop is implementation dependent, the clearkey
 // secureStop does not serve as a reference implementation.
 void DrmPlugin::installSecureStop(const hidl_vec<uint8_t>& sessionId) {
+    Mutex::Autolock lock(mSecureStopLock);
+
     ClearkeySecureStop clearkeySecureStop;
     clearkeySecureStop.id = uint32ToVector(++mNextSecureStopId);
     clearkeySecureStop.data.assign(sessionId.begin(), sessionId.end());
@@ -744,6 +746,7 @@
 }
 
 Return<void> DrmPlugin::getSecureStops(getSecureStops_cb _hidl_cb) {
+    mSecureStopLock.lock();
     std::vector<SecureStop> stops;
     for (auto itr = mSecureStops.begin(); itr != mSecureStops.end(); ++itr) {
         ClearkeySecureStop clearkeyStop = itr->second;
@@ -755,26 +758,32 @@
         stop.opaqueData = toHidlVec(stopVec);
         stops.push_back(stop);
     }
+    mSecureStopLock.unlock();
+
     _hidl_cb(Status::OK, stops);
     return Void();
 }
 
 Return<void> DrmPlugin::getSecureStop(const hidl_vec<uint8_t>& secureStopId,
         getSecureStop_cb _hidl_cb) {
-    SecureStop stop;
+    std::vector<uint8_t> stopVec;
+
+    mSecureStopLock.lock();
     auto itr = mSecureStops.find(toVector(secureStopId));
     if (itr != mSecureStops.end()) {
         ClearkeySecureStop clearkeyStop = itr->second;
-        std::vector<uint8_t> stopVec;
         stopVec.insert(stopVec.end(), clearkeyStop.id.begin(), clearkeyStop.id.end());
         stopVec.insert(stopVec.end(), clearkeyStop.data.begin(), clearkeyStop.data.end());
+    }
+    mSecureStopLock.unlock();
 
+    SecureStop stop;
+    if (!stopVec.empty()) {
         stop.opaqueData = toHidlVec(stopVec);
         _hidl_cb(Status::OK, stop);
     } else {
         _hidl_cb(Status::BAD_VALUE, stop);
     }
-
     return Void();
 }
 
@@ -787,23 +796,35 @@
 }
 
 Return<void> DrmPlugin::getSecureStopIds(getSecureStopIds_cb _hidl_cb) {
+    mSecureStopLock.lock();
     std::vector<SecureStopId> ids;
     for (auto itr = mSecureStops.begin(); itr != mSecureStops.end(); ++itr) {
         ids.push_back(itr->first);
     }
+    mSecureStopLock.unlock();
 
     _hidl_cb(Status::OK, toHidlVec(ids));
     return Void();
 }
 
 Return<Status> DrmPlugin::releaseSecureStops(const SecureStopRelease& ssRelease) {
-    if (ssRelease.opaqueData.size() == 0) {
+    // OpaqueData starts with 4 byte decimal integer string
+    const size_t kFourBytesOffset = 4;
+    if (ssRelease.opaqueData.size() < kFourBytesOffset) {
+        ALOGE("Invalid secureStopRelease length");
         return Status::BAD_VALUE;
     }
 
     Status status = Status::OK;
     std::vector<uint8_t> input = toVector(ssRelease.opaqueData);
 
+    if (input.size() < kSecureStopIdSize + kFourBytesOffset) {
+        // The minimum size of SecureStopRelease has to contain
+        // a 4 bytes count and one secureStop id
+        ALOGE("Total size of secureStops is too short");
+        return Status::BAD_VALUE;
+    }
+
     // The format of opaqueData is shared between the server
     // and the drm service. The clearkey implementation consists of:
     //    count - number of secure stops
@@ -819,24 +840,35 @@
 
     // Avoid divide by 0 below.
     if (count == 0) {
+        ALOGE("Invalid 0 secureStop count");
         return Status::BAD_VALUE;
     }
 
-    size_t secureStopSize = (input.size() - countBufferSize) / count;
-    uint8_t buffer[secureStopSize];
-    size_t offset = countBufferSize; // skip the count
+    // Computes the fixed length secureStop size
+    size_t secureStopSize = (input.size() - kFourBytesOffset) / count;
+    if (secureStopSize < kSecureStopIdSize) {
+        // A valid secureStop contains the id plus data
+        ALOGE("Invalid secureStop size");
+        return Status::BAD_VALUE;
+    }
+    uint8_t* buffer = new uint8_t[secureStopSize];
+    size_t offset = kFourBytesOffset; // skip the count
     for (size_t i = 0; i < count; ++i, offset += secureStopSize) {
         memcpy(buffer, input.data() + offset, secureStopSize);
-        std::vector<uint8_t> id(buffer, buffer + kSecureStopIdSize);
 
+        // A secureStop contains id+data, we only use the id for removal
+        std::vector<uint8_t> id(buffer, buffer + kSecureStopIdSize);
         status = removeSecureStop(toHidlVec(id));
         if (Status::OK != status) break;
     }
 
+    delete[] buffer;
     return status;
 }
 
 Return<Status> DrmPlugin::removeSecureStop(const hidl_vec<uint8_t>& secureStopId) {
+    Mutex::Autolock lock(mSecureStopLock);
+
     if (1 != mSecureStops.erase(toVector(secureStopId))) {
         return Status::BAD_VALUE;
     }
@@ -844,6 +876,8 @@
 }
 
 Return<Status> DrmPlugin::removeAllSecureStops() {
+    Mutex::Autolock lock(mSecureStopLock);
+
     mSecureStops.clear();
     mNextSecureStopId = kSecureStopIdStart;
     return Status::OK;
diff --git a/drm/mediadrm/plugins/clearkey/hidl/InitDataParser.cpp b/drm/mediadrm/plugins/clearkey/hidl/InitDataParser.cpp
index b988ce0..ebb6fb8 100644
--- a/drm/mediadrm/plugins/clearkey/hidl/InitDataParser.cpp
+++ b/drm/mediadrm/plugins/clearkey/hidl/InitDataParser.cpp
@@ -85,10 +85,22 @@
 
 Status InitDataParser::parsePssh(const std::vector<uint8_t>& initData,
         std::vector<const uint8_t*>* keyIds) {
+    // Description of PSSH format:
+    // https://w3c.github.io/encrypted-media/format-registry/initdata/cenc.html
     size_t readPosition = 0;
 
-    // Validate size field
     uint32_t expectedSize = initData.size();
+    const char psshIdentifier[4] = {'p', 's', 's', 'h'};
+    const uint8_t psshVersion1[4] = {1, 0, 0, 0};
+    uint32_t keyIdCount = 0;
+    size_t headerSize = sizeof(expectedSize) + sizeof(psshIdentifier) +
+                        sizeof(psshVersion1) + kSystemIdSize + sizeof(keyIdCount);
+    if (initData.size() < headerSize) {
+        android_errorWriteLog(0x534e4554, "137282168");
+        return Status::ERROR_DRM_CANNOT_HANDLE;
+    }
+
+    // Validate size field
     expectedSize = htonl(expectedSize);
     if (memcmp(&initData[readPosition], &expectedSize,
                sizeof(expectedSize)) != 0) {
@@ -97,7 +109,6 @@
     readPosition += sizeof(expectedSize);
 
     // Validate PSSH box identifier
-    const char psshIdentifier[4] = {'p', 's', 's', 'h'};
     if (memcmp(&initData[readPosition], psshIdentifier,
                sizeof(psshIdentifier)) != 0) {
         return Status::ERROR_DRM_CANNOT_HANDLE;
@@ -105,7 +116,6 @@
     readPosition += sizeof(psshIdentifier);
 
     // Validate EME version number
-    const uint8_t psshVersion1[4] = {1, 0, 0, 0};
     if (memcmp(&initData[readPosition], psshVersion1,
                sizeof(psshVersion1)) != 0) {
         return Status::ERROR_DRM_CANNOT_HANDLE;
@@ -119,12 +129,14 @@
     readPosition += kSystemIdSize;
 
     // Read key ID count
-    uint32_t keyIdCount;
     memcpy(&keyIdCount, &initData[readPosition], sizeof(keyIdCount));
     keyIdCount = ntohl(keyIdCount);
     readPosition += sizeof(keyIdCount);
-    if (readPosition + ((uint64_t)keyIdCount * kKeyIdSize) !=
-            initData.size() - sizeof(uint32_t)) {
+
+    uint64_t psshSize = 0;
+    if (__builtin_mul_overflow(keyIdCount, kKeyIdSize, &psshSize) ||
+        __builtin_add_overflow(readPosition, psshSize, &psshSize) ||
+        psshSize != initData.size() - sizeof(uint32_t) /* DataSize(0) */) {
         return Status::ERROR_DRM_CANNOT_HANDLE;
     }
 
diff --git a/drm/mediadrm/plugins/clearkey/hidl/include/DrmPlugin.h b/drm/mediadrm/plugins/clearkey/hidl/include/DrmPlugin.h
index f294d4d..3de7589 100644
--- a/drm/mediadrm/plugins/clearkey/hidl/include/DrmPlugin.h
+++ b/drm/mediadrm/plugins/clearkey/hidl/include/DrmPlugin.h
@@ -416,6 +416,7 @@
     }
 
     DeviceFiles mFileHandle;
+    Mutex mSecureStopLock;
 
     CLEARKEY_DISALLOW_COPY_AND_ASSIGN_AND_NEW(DrmPlugin);
 };
diff --git a/media/bufferpool/1.0/AccessorImpl.cpp b/media/bufferpool/1.0/AccessorImpl.cpp
index fa17f15..a5366f6 100644
--- a/media/bufferpool/1.0/AccessorImpl.cpp
+++ b/media/bufferpool/1.0/AccessorImpl.cpp
@@ -151,6 +151,7 @@
                 newConnection->initialize(accessor, id);
                 *connection = newConnection;
                 *pConnectionId = id;
+                mBufferPool.mConnectionIds.insert(id);
                 ++sSeqId;
             }
         }
@@ -305,7 +306,12 @@
         found->second->mSenderValidated = true;
         return true;
     }
-    // TODO: verify there is target connection Id
+    if (mConnectionIds.find(message.targetConnectionId) == mConnectionIds.end()) {
+        // N.B: it could be fake or receive connection already closed.
+        ALOGD("bufferpool %p receiver connection %lld is no longer valid",
+              this, (long long)message.targetConnectionId);
+        return false;
+    }
     mStats.onBufferSent();
     mTransactions.insert(std::make_pair(
             message.transactionId,
@@ -450,6 +456,7 @@
             }
         }
     }
+    mConnectionIds.erase(connectionId);
     return true;
 }
 
diff --git a/media/bufferpool/1.0/AccessorImpl.h b/media/bufferpool/1.0/AccessorImpl.h
index c04dbf3..84cb685 100644
--- a/media/bufferpool/1.0/AccessorImpl.h
+++ b/media/bufferpool/1.0/AccessorImpl.h
@@ -94,6 +94,7 @@
 
         std::map<BufferId, std::unique_ptr<InternalBuffer>> mBuffers;
         std::set<BufferId> mFreeBuffers;
+        std::set<ConnectionId> mConnectionIds;
 
         /// Buffer pool statistics which tracks allocation and transfer statistics.
         struct Stats {
diff --git a/media/bufferpool/2.0/AccessorImpl.cpp b/media/bufferpool/2.0/AccessorImpl.cpp
index 94cf006..0d591d7 100644
--- a/media/bufferpool/2.0/AccessorImpl.cpp
+++ b/media/bufferpool/2.0/AccessorImpl.cpp
@@ -37,7 +37,7 @@
     static constexpr int64_t kLogDurationUs = 5000000; // 5 secs
 
     static constexpr size_t kMinAllocBytesForEviction = 1024*1024*15;
-    static constexpr size_t kMinBufferCountForEviction = 40;
+    static constexpr size_t kMinBufferCountForEviction = 25;
 }
 
 // Buffer structure in bufferpool process
@@ -163,6 +163,7 @@
                 *connection = newConnection;
                 *pConnectionId = id;
                 *pMsgId = mBufferPool.mInvalidation.mInvalidationId;
+                mBufferPool.mConnectionIds.insert(id);
                 mBufferPool.mInvalidationChannel.getDesc(invDescPtr);
                 mBufferPool.mInvalidation.onConnect(id, observer);
                 ++sSeqId;
@@ -474,7 +475,12 @@
         found->second->mSenderValidated = true;
         return true;
     }
-    // TODO: verify there is target connection Id
+    if (mConnectionIds.find(message.targetConnectionId) == mConnectionIds.end()) {
+        // N.B: it could be fake or receive connection already closed.
+        ALOGD("bufferpool2 %p receiver connection %lld is no longer valid",
+              this, (long long)message.targetConnectionId);
+        return false;
+    }
     mStats.onBufferSent();
     mTransactions.insert(std::make_pair(
             message.transactionId,
@@ -644,6 +650,7 @@
             }
         }
     }
+    mConnectionIds.erase(connectionId);
     return true;
 }
 
@@ -711,8 +718,8 @@
                   mStats.mTotalFetches, mStats.mTotalTransfers);
         }
         for (auto freeIt = mFreeBuffers.begin(); freeIt != mFreeBuffers.end();) {
-            if (!clearCache && mStats.mSizeCached < kMinAllocBytesForEviction
-                    && mBuffers.size() < kMinBufferCountForEviction) {
+            if (!clearCache && (mStats.mSizeCached < kMinAllocBytesForEviction
+                    || mBuffers.size() < kMinBufferCountForEviction)) {
                 break;
             }
             auto it = mBuffers.find(*freeIt);
@@ -774,11 +781,19 @@
             std::mutex &mutex,
             std::condition_variable &cv,
             bool &ready) {
+    constexpr uint32_t NUM_SPIN_TO_INCREASE_SLEEP = 1024;
+    constexpr uint32_t NUM_SPIN_TO_LOG = 1024*8;
+    constexpr useconds_t MAX_SLEEP_US = 10000;
+    uint32_t numSpin = 0;
+    useconds_t sleepUs = 1;
+
     while(true) {
         std::map<uint32_t, const std::weak_ptr<Accessor::Impl>> copied;
         {
             std::unique_lock<std::mutex> lock(mutex);
             if (!ready) {
+                numSpin = 0;
+                sleepUs = 1;
                 cv.wait(lock);
             }
             copied.insert(accessors.begin(), accessors.end());
@@ -800,9 +815,20 @@
             if (accessors.size() == 0) {
                 ready = false;
             } else {
-                // prevent draining cpu.
+                // TODO Use an efficient way to wait over FMQ.
+                // N.B. Since there is not a efficient way to wait over FMQ,
+                // polling over the FMQ is the current way to prevent draining
+                // CPU.
                 lock.unlock();
-                std::this_thread::yield();
+                ++numSpin;
+                if (numSpin % NUM_SPIN_TO_INCREASE_SLEEP == 0 &&
+                    sleepUs < MAX_SLEEP_US) {
+                    sleepUs *= 10;
+                }
+                if (numSpin % NUM_SPIN_TO_LOG == 0) {
+                    ALOGW("invalidator thread spinning");
+                }
+                ::usleep(sleepUs);
             }
         }
     }
diff --git a/media/bufferpool/2.0/AccessorImpl.h b/media/bufferpool/2.0/AccessorImpl.h
index eea72b9..807e0f1 100644
--- a/media/bufferpool/2.0/AccessorImpl.h
+++ b/media/bufferpool/2.0/AccessorImpl.h
@@ -111,6 +111,7 @@
 
         std::map<BufferId, std::unique_ptr<InternalBuffer>> mBuffers;
         std::set<BufferId> mFreeBuffers;
+        std::set<ConnectionId> mConnectionIds;
 
         struct Invalidation {
             static std::atomic<std::uint32_t> sInvSeqId;
diff --git a/media/bufferpool/2.0/Android.bp b/media/bufferpool/2.0/Android.bp
index c71ac17..e8a69c9 100644
--- a/media/bufferpool/2.0/Android.bp
+++ b/media/bufferpool/2.0/Android.bp
@@ -1,9 +1,5 @@
-cc_library {
-    name: "libstagefright_bufferpool@2.0",
-    vendor_available: true,
-    vndk: {
-        enabled: true,
-    },
+cc_defaults {
+    name: "libstagefright_bufferpool@2.0-default",
     srcs: [
         "Accessor.cpp",
         "AccessorImpl.cpp",
@@ -31,3 +27,23 @@
         "android.hardware.media.bufferpool@2.0",
     ],
 }
+
+cc_library {
+    name: "libstagefright_bufferpool@2.0.1",
+    defaults: ["libstagefright_bufferpool@2.0-default"],
+    vendor_available: true,
+    cflags: [
+        "-DBUFFERPOOL_CLONE_HANDLES",
+    ],
+}
+
+// Deprecated. Do not use. Use libstagefright_bufferpool@2.0.1 instead.
+cc_library {
+    name: "libstagefright_bufferpool@2.0",
+    defaults: ["libstagefright_bufferpool@2.0-default"],
+    vendor_available: true,
+    vndk: {
+        enabled: true,
+    },
+}
+
diff --git a/media/bufferpool/2.0/ClientManager.cpp b/media/bufferpool/2.0/ClientManager.cpp
index c31d313..87ee4e8 100644
--- a/media/bufferpool/2.0/ClientManager.cpp
+++ b/media/bufferpool/2.0/ClientManager.cpp
@@ -351,7 +351,21 @@
         }
         client = it->second;
     }
+#ifdef BUFFERPOOL_CLONE_HANDLES
+    native_handle_t *origHandle;
+    ResultStatus res = client->allocate(params, &origHandle, buffer);
+    if (res != ResultStatus::OK) {
+        return res;
+    }
+    *handle = native_handle_clone(origHandle);
+    if (handle == NULL) {
+        buffer->reset();
+        return ResultStatus::NO_MEMORY;
+    }
+    return ResultStatus::OK;
+#else
     return client->allocate(params, handle, buffer);
+#endif
 }
 
 ResultStatus ClientManager::Impl::receive(
@@ -367,7 +381,22 @@
         }
         client = it->second;
     }
+#ifdef BUFFERPOOL_CLONE_HANDLES
+    native_handle_t *origHandle;
+    ResultStatus res = client->receive(
+            transactionId, bufferId, timestampUs, &origHandle, buffer);
+    if (res != ResultStatus::OK) {
+        return res;
+    }
+    *handle = native_handle_clone(origHandle);
+    if (handle == NULL) {
+        buffer->reset();
+        return ResultStatus::NO_MEMORY;
+    }
+    return ResultStatus::OK;
+#else
     return client->receive(transactionId, bufferId, timestampUs, handle, buffer);
+#endif
 }
 
 ResultStatus ClientManager::Impl::postSend(
diff --git a/media/bufferpool/2.0/include/bufferpool/ClientManager.h b/media/bufferpool/2.0/include/bufferpool/ClientManager.h
index 953c304..24b61f4 100644
--- a/media/bufferpool/2.0/include/bufferpool/ClientManager.h
+++ b/media/bufferpool/2.0/include/bufferpool/ClientManager.h
@@ -104,7 +104,9 @@
     ResultStatus flush(ConnectionId connectionId);
 
     /**
-     * Allocates a buffer from the specified connection.
+     * Allocates a buffer from the specified connection. The output parameter
+     * handle is cloned from the internal handle. So it is safe to use directly,
+     * and it should be deleted and destroyed after use.
      *
      * @param connectionId  The id of the connection.
      * @param params        The allocation parameters.
@@ -123,7 +125,9 @@
                           std::shared_ptr<BufferPoolData> *buffer);
 
     /**
-     * Receives a buffer for the transaction.
+     * Receives a buffer for the transaction. The output parameter handle is
+     * cloned from the internal handle. So it is safe to use directly, and it
+     * should be deleted and destoyed after use.
      *
      * @param connectionId  The id of the receiving connection.
      * @param transactionId The id for the transaction.
diff --git a/media/codec2/components/aac/C2SoftAacEnc.cpp b/media/codec2/components/aac/C2SoftAacEnc.cpp
index 8e3852c..be52a1d 100644
--- a/media/codec2/components/aac/C2SoftAacEnc.cpp
+++ b/media/codec2/components/aac/C2SoftAacEnc.cpp
@@ -157,9 +157,10 @@
       mSentCodecSpecificData(false),
       mInputTimeSet(false),
       mInputSize(0),
-      mInputTimeUs(0),
+      mNextFrameTimestampUs(0),
       mSignalledError(false),
-      mOutIndex(0u) {
+      mOutIndex(0u),
+      mRemainderLen(0u) {
 }
 
 C2SoftAacEnc::~C2SoftAacEnc() {
@@ -183,8 +184,9 @@
     mSentCodecSpecificData = false;
     mInputTimeSet = false;
     mInputSize = 0u;
-    mInputTimeUs = 0;
+    mNextFrameTimestampUs = 0;
     mSignalledError = false;
+    mRemainderLen = 0;
     return C2_OK;
 }
 
@@ -201,7 +203,7 @@
     mSentCodecSpecificData = false;
     mInputTimeSet = false;
     mInputSize = 0u;
-    mInputTimeUs = 0;
+    mNextFrameTimestampUs = 0;
     return C2_OK;
 }
 
@@ -365,21 +367,25 @@
         capacity = view.capacity();
     }
     if (!mInputTimeSet && capacity > 0) {
-        mInputTimeUs = work->input.ordinal.timestamp;
+        mNextFrameTimestampUs = work->input.ordinal.timestamp;
         mInputTimeSet = true;
     }
 
-    size_t numFrames = (capacity + mInputSize + (eos ? mNumBytesPerInputFrame - 1 : 0))
-            / mNumBytesPerInputFrame;
-    ALOGV("capacity = %zu; mInputSize = %zu; numFrames = %zu mNumBytesPerInputFrame = %u",
-          capacity, mInputSize, numFrames, mNumBytesPerInputFrame);
+    size_t numFrames =
+        (mRemainderLen + capacity + mInputSize + (eos ? mNumBytesPerInputFrame - 1 : 0))
+        / mNumBytesPerInputFrame;
+    ALOGV("capacity = %zu; mInputSize = %zu; numFrames = %zu "
+          "mNumBytesPerInputFrame = %u inputTS = %lld remaining = %zu",
+          capacity, mInputSize, numFrames,
+          mNumBytesPerInputFrame, work->input.ordinal.timestamp.peekll(),
+          mRemainderLen);
 
     std::shared_ptr<C2LinearBlock> block;
-    std::shared_ptr<C2Buffer> buffer;
     std::unique_ptr<C2WriteView> wView;
     uint8_t *outPtr = temp;
     size_t outAvailable = 0u;
     uint64_t inputIndex = work->input.ordinal.frameIndex.peeku();
+    size_t bytesPerSample = channelCount * sizeof(int16_t);
 
     AACENC_InArgs inargs;
     AACENC_OutArgs outargs;
@@ -442,9 +448,31 @@
         const std::shared_ptr<C2Buffer> mBuffer;
     };
 
-    C2WorkOrdinalStruct outOrdinal = work->input.ordinal;
+    struct OutputBuffer {
+        std::shared_ptr<C2Buffer> buffer;
+        c2_cntr64_t timestampUs;
+    };
+    std::list<OutputBuffer> outputBuffers;
 
-    while (encoderErr == AACENC_OK && inargs.numInSamples > 0) {
+    if (mRemainderLen > 0) {
+        size_t offset = 0;
+        for (; mRemainderLen < bytesPerSample && offset < capacity; ++offset) {
+            mRemainder[mRemainderLen++] = data[offset];
+        }
+        data += offset;
+        capacity -= offset;
+        if (mRemainderLen == bytesPerSample) {
+            inBuffer[0] = mRemainder;
+            inBufferSize[0] = bytesPerSample;
+            inargs.numInSamples = channelCount;
+            mRemainderLen = 0;
+            ALOGV("Processing remainder");
+        } else {
+            // We have exhausted the input already
+            inargs.numInSamples = 0;
+        }
+    }
+    while (encoderErr == AACENC_OK && inargs.numInSamples >= channelCount) {
         if (numFrames && !block) {
             C2MemoryUsage usage = { C2MemoryUsage::CPU_READ, C2MemoryUsage::CPU_WRITE };
             // TODO: error handling, proper usage, etc.
@@ -473,43 +501,40 @@
                                   &outargs);
 
         if (encoderErr == AACENC_OK) {
-            if (buffer) {
-                outOrdinal.frameIndex = mOutIndex++;
-                outOrdinal.timestamp = mInputTimeUs;
-                cloneAndSend(
-                        inputIndex,
-                        work,
-                        FillWork(C2FrameData::FLAG_INCOMPLETE, outOrdinal, buffer));
-                buffer.reset();
-            }
-
             if (outargs.numOutBytes > 0) {
                 mInputSize = 0;
                 int consumed = (capacity / sizeof(int16_t)) - inargs.numInSamples
                         + outargs.numInSamples;
-                mInputTimeUs = work->input.ordinal.timestamp
+                c2_cntr64_t currentFrameTimestampUs = mNextFrameTimestampUs;
+                mNextFrameTimestampUs = work->input.ordinal.timestamp
                         + (consumed * 1000000ll / channelCount / sampleRate);
-                buffer = createLinearBuffer(block, 0, outargs.numOutBytes);
-#if defined(LOG_NDEBUG) && !LOG_NDEBUG
+                std::shared_ptr<C2Buffer> buffer = createLinearBuffer(block, 0, outargs.numOutBytes);
+#if 0
                 hexdump(outPtr, std::min(outargs.numOutBytes, 256));
 #endif
                 outPtr = temp;
                 outAvailable = 0;
                 block.reset();
+
+                outputBuffers.push_back({buffer, currentFrameTimestampUs});
             } else {
                 mInputSize += outargs.numInSamples * sizeof(int16_t);
             }
 
-            if (outargs.numInSamples > 0) {
+            if (inBuffer[0] == mRemainder) {
+                inBuffer[0] = const_cast<uint8_t *>(data);
+                inBufferSize[0] = capacity;
+                inargs.numInSamples = capacity / sizeof(int16_t);
+            } else if (outargs.numInSamples > 0) {
                 inBuffer[0] = (int16_t *)inBuffer[0] + outargs.numInSamples;
                 inBufferSize[0] -= outargs.numInSamples * sizeof(int16_t);
                 inargs.numInSamples -= outargs.numInSamples;
             }
         }
-        ALOGV("encoderErr = %d mInputSize = %zu inargs.numInSamples = %d, mInputTimeUs = %lld",
-              encoderErr, mInputSize, inargs.numInSamples, mInputTimeUs.peekll());
+        ALOGV("encoderErr = %d mInputSize = %zu "
+              "inargs.numInSamples = %d, mNextFrameTimestampUs = %lld",
+              encoderErr, mInputSize, inargs.numInSamples, mNextFrameTimestampUs.peekll());
     }
-
     if (eos && inBufferSize[0] > 0) {
         if (numFrames && !block) {
             C2MemoryUsage usage = { C2MemoryUsage::CPU_READ, C2MemoryUsage::CPU_WRITE };
@@ -540,12 +565,37 @@
                            &outBufDesc,
                            &inargs,
                            &outargs);
+        inBufferSize[0] = 0;
     }
 
-    outOrdinal.frameIndex = mOutIndex++;
-    outOrdinal.timestamp = mInputTimeUs;
+    if (inBufferSize[0] > 0) {
+        for (size_t i = 0; i < inBufferSize[0]; ++i) {
+            mRemainder[i] = static_cast<uint8_t *>(inBuffer[0])[i];
+        }
+        mRemainderLen = inBufferSize[0];
+    }
+
+    while (outputBuffers.size() > 1) {
+        const OutputBuffer& front = outputBuffers.front();
+        C2WorkOrdinalStruct ordinal = work->input.ordinal;
+        ordinal.frameIndex = mOutIndex++;
+        ordinal.timestamp = front.timestampUs;
+        cloneAndSend(
+                inputIndex,
+                work,
+                FillWork(C2FrameData::FLAG_INCOMPLETE, ordinal, front.buffer));
+        outputBuffers.pop_front();
+    }
+    std::shared_ptr<C2Buffer> buffer;
+    C2WorkOrdinalStruct ordinal = work->input.ordinal;
+    ordinal.frameIndex = mOutIndex++;
+    if (!outputBuffers.empty()) {
+        ordinal.timestamp = outputBuffers.front().timestampUs;
+        buffer = outputBuffers.front().buffer;
+    }
+    // Mark the end of frame
     FillWork((C2FrameData::flags_t)(eos ? C2FrameData::FLAG_END_OF_STREAM : 0),
-             outOrdinal, buffer)(work);
+             ordinal, buffer)(work);
 }
 
 c2_status_t C2SoftAacEnc::drain(
@@ -569,7 +619,7 @@
     mSentCodecSpecificData = false;
     mInputTimeSet = false;
     mInputSize = 0u;
-    mInputTimeUs = 0;
+    mNextFrameTimestampUs = 0;
 
     // TODO: we don't have any pending work at this time to drain.
     return C2_OK;
diff --git a/media/codec2/components/aac/C2SoftAacEnc.h b/media/codec2/components/aac/C2SoftAacEnc.h
index a38be19..6ecfbdd 100644
--- a/media/codec2/components/aac/C2SoftAacEnc.h
+++ b/media/codec2/components/aac/C2SoftAacEnc.h
@@ -56,11 +56,15 @@
     bool mSentCodecSpecificData;
     bool mInputTimeSet;
     size_t mInputSize;
-    c2_cntr64_t mInputTimeUs;
+    c2_cntr64_t mNextFrameTimestampUs;
 
     bool mSignalledError;
     std::atomic_uint64_t mOutIndex;
 
+    // We support max 6 channels
+    uint8_t mRemainder[6 * sizeof(int16_t)];
+    size_t mRemainderLen;
+
     status_t initEncoder();
 
     status_t setAudioParams();
diff --git a/media/codec2/components/aom/Android.bp b/media/codec2/components/aom/Android.bp
index 0fabf5c..61dbd4c 100644
--- a/media/codec2/components/aom/Android.bp
+++ b/media/codec2/components/aom/Android.bp
@@ -1,10 +1,16 @@
 cc_library_shared {
-    name: "libcodec2_soft_av1dec",
+    name: "libcodec2_soft_av1dec_aom",
     defaults: [
         "libcodec2_soft-defaults",
         "libcodec2_soft_sanitize_all-defaults",
     ],
 
+    // coordinated with frameworks/av/media/codec2/components/gav1/Android.bp
+    // so only 1 of them has the official c2.android.av1.decoder name
+    cflags: [
+        "-DCODECNAME=\"c2.android.av1-aom.decoder\"",
+    ],
+
     srcs: ["C2SoftAomDec.cpp"],
     static_libs: ["libaom"],
 
diff --git a/media/codec2/components/aom/C2SoftAomDec.cpp b/media/codec2/components/aom/C2SoftAomDec.cpp
index 769895c..36137e6 100644
--- a/media/codec2/components/aom/C2SoftAomDec.cpp
+++ b/media/codec2/components/aom/C2SoftAomDec.cpp
@@ -29,7 +29,8 @@
 
 namespace android {
 
-constexpr char COMPONENT_NAME[] = "c2.android.av1.decoder";
+// codecname set and passed in as a compile flag from Android.bp
+constexpr char COMPONENT_NAME[] = CODECNAME;
 
 class C2SoftAomDec::IntfImpl : public SimpleInterface<void>::BaseParams {
   public:
@@ -340,6 +341,7 @@
     aom_codec_flags_t flags;
     memset(&flags, 0, sizeof(aom_codec_flags_t));
 
+    ALOGV("Using libaom AV1 software decoder.");
     aom_codec_err_t err;
     if ((err = aom_codec_dec_init(mCodecCtx, aom_codec_av1_dx(), &cfg, 0))) {
         ALOGE("av1 decoder failed to initialize. (%d)", err);
diff --git a/media/codec2/components/avc/C2SoftAvcDec.cpp b/media/codec2/components/avc/C2SoftAvcDec.cpp
index 3f015b4..fa98178 100644
--- a/media/codec2/components/avc/C2SoftAvcDec.cpp
+++ b/media/codec2/components/avc/C2SoftAvcDec.cpp
@@ -33,7 +33,8 @@
 namespace {
 
 constexpr char COMPONENT_NAME[] = "c2.android.avc.decoder";
-
+constexpr uint32_t kDefaultOutputDelay = 8;
+constexpr uint32_t kMaxOutputDelay = 16;
 }  // namespace
 
 class C2SoftAvcDec::IntfImpl : public SimpleInterface<void>::BaseParams {
@@ -54,7 +55,9 @@
         // TODO: Proper support for reorder depth.
         addParameter(
                 DefineParam(mActualOutputDelay, C2_PARAMKEY_OUTPUT_DELAY)
-                .withConstValue(new C2PortActualDelayTuning::output(8u))
+                .withDefault(new C2PortActualDelayTuning::output(kDefaultOutputDelay))
+                .withFields({C2F(mActualOutputDelay, value).inRange(0, kMaxOutputDelay)})
+                .withSetter(Setter<decltype(*mActualOutputDelay)>::StrictValueWithNoDeps)
                 .build());
 
         // TODO: output latency and reordering
@@ -196,7 +199,6 @@
                                      0u, HAL_PIXEL_FORMAT_YCBCR_420_888))
                 .build());
     }
-
     static C2R SizeSetter(bool mayBlock, const C2P<C2StreamPictureSizeInfo::output> &oldMe,
                           C2P<C2StreamPictureSizeInfo::output> &me) {
         (void)mayBlock;
@@ -333,6 +335,7 @@
       mDecHandle(nullptr),
       mOutBufferFlush(nullptr),
       mIvColorFormat(IV_YUV_420P),
+      mOutputDelay(kDefaultOutputDelay),
       mWidth(320),
       mHeight(240),
       mHeaderDecoded(false),
@@ -882,6 +885,26 @@
             work->result = C2_CORRUPTED;
             return;
         }
+        if (s_decode_op.i4_reorder_depth >= 0 && mOutputDelay != s_decode_op.i4_reorder_depth) {
+            mOutputDelay = s_decode_op.i4_reorder_depth;
+            ALOGV("New Output delay %d ", mOutputDelay);
+
+            C2PortActualDelayTuning::output outputDelay(mOutputDelay);
+            std::vector<std::unique_ptr<C2SettingResult>> failures;
+            c2_status_t err =
+                mIntf->config({&outputDelay}, C2_MAY_BLOCK, &failures);
+            if (err == OK) {
+                work->worklets.front()->output.configUpdate.push_back(
+                    C2Param::Copy(outputDelay));
+            } else {
+                ALOGE("Cannot set output delay");
+                mSignalledError = true;
+                work->workletsProcessed = 1u;
+                work->result = C2_CORRUPTED;
+                return;
+            }
+            continue;
+        }
         if (0 < s_decode_op.u4_pic_wd && 0 < s_decode_op.u4_pic_ht) {
             if (mHeaderDecoded == false) {
                 mHeaderDecoded = true;
diff --git a/media/codec2/components/avc/C2SoftAvcDec.h b/media/codec2/components/avc/C2SoftAvcDec.h
index 72ee583..4414a26 100644
--- a/media/codec2/components/avc/C2SoftAvcDec.h
+++ b/media/codec2/components/avc/C2SoftAvcDec.h
@@ -157,7 +157,7 @@
 
     size_t mNumCores;
     IV_COLOR_FORMAT_T mIvColorFormat;
-
+    uint32_t mOutputDelay;
     uint32_t mWidth;
     uint32_t mHeight;
     uint32_t mStride;
diff --git a/media/codec2/components/g711/C2SoftG711Dec.cpp b/media/codec2/components/g711/C2SoftG711Dec.cpp
index 43b843a..4ff0793 100644
--- a/media/codec2/components/g711/C2SoftG711Dec.cpp
+++ b/media/codec2/components/g711/C2SoftG711Dec.cpp
@@ -74,7 +74,7 @@
         addParameter(
                 DefineParam(mChannelCount, C2_PARAMKEY_CHANNEL_COUNT)
                 .withDefault(new C2StreamChannelCountInfo::output(0u, 1))
-                .withFields({C2F(mChannelCount, value).equalTo(1)})
+                .withFields({C2F(mChannelCount, value).inRange(1, 6)})
                 .withSetter(Setter<decltype(*mChannelCount)>::StrictValueWithNoDeps)
                 .build());
 
diff --git a/media/codec2/components/gav1/Android.bp b/media/codec2/components/gav1/Android.bp
new file mode 100644
index 0000000..5c4abb7
--- /dev/null
+++ b/media/codec2/components/gav1/Android.bp
@@ -0,0 +1,20 @@
+cc_library_shared {
+    name: "libcodec2_soft_av1dec_gav1",
+    defaults: [
+        "libcodec2_soft-defaults",
+        "libcodec2_soft_sanitize_all-defaults",
+    ],
+
+    // coordinated with frameworks/av/media/codec2/components/aom/Android.bp
+    // so only 1 of them has the official c2.android.av1.decoder name
+    cflags: [
+        "-DCODECNAME=\"c2.android.av1.decoder\"",
+    ],
+
+    srcs: ["C2SoftGav1Dec.cpp"],
+    static_libs: ["libgav1"],
+
+    include_dirs: [
+        "external/libgav1/libgav1/",
+    ],
+}
diff --git a/media/codec2/components/gav1/C2SoftGav1Dec.cpp b/media/codec2/components/gav1/C2SoftGav1Dec.cpp
new file mode 100644
index 0000000..ec5f549
--- /dev/null
+++ b/media/codec2/components/gav1/C2SoftGav1Dec.cpp
@@ -0,0 +1,792 @@
+/*
+ * Copyright (C) 2019 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 "C2SoftGav1Dec"
+#include "C2SoftGav1Dec.h"
+
+#include <C2Debug.h>
+#include <C2PlatformSupport.h>
+#include <SimpleC2Interface.h>
+#include <log/log.h>
+#include <media/stagefright/foundation/AUtils.h>
+#include <media/stagefright/foundation/MediaDefs.h>
+
+namespace android {
+
+// codecname set and passed in as a compile flag from Android.bp
+constexpr char COMPONENT_NAME[] = CODECNAME;
+
+class C2SoftGav1Dec::IntfImpl : public SimpleInterface<void>::BaseParams {
+ public:
+  explicit IntfImpl(const std::shared_ptr<C2ReflectorHelper> &helper)
+      : SimpleInterface<void>::BaseParams(
+            helper, COMPONENT_NAME, C2Component::KIND_DECODER,
+            C2Component::DOMAIN_VIDEO, MEDIA_MIMETYPE_VIDEO_AV1) {
+    noPrivateBuffers();  // TODO: account for our buffers here.
+    noInputReferences();
+    noOutputReferences();
+    noInputLatency();
+    noTimeStretch();
+
+    addParameter(DefineParam(mAttrib, C2_PARAMKEY_COMPONENT_ATTRIBUTES)
+                     .withConstValue(new C2ComponentAttributesSetting(
+                         C2Component::ATTRIB_IS_TEMPORAL))
+                     .build());
+
+    addParameter(
+        DefineParam(mSize, C2_PARAMKEY_PICTURE_SIZE)
+            .withDefault(new C2StreamPictureSizeInfo::output(0u, 320, 240))
+            .withFields({
+                C2F(mSize, width).inRange(2, 2048, 2),
+                C2F(mSize, height).inRange(2, 2048, 2),
+            })
+            .withSetter(SizeSetter)
+            .build());
+
+    addParameter(DefineParam(mProfileLevel, C2_PARAMKEY_PROFILE_LEVEL)
+                     .withDefault(new C2StreamProfileLevelInfo::input(
+                         0u, C2Config::PROFILE_AV1_0, C2Config::LEVEL_AV1_2_1))
+                     .withFields({C2F(mProfileLevel, profile)
+                                      .oneOf({C2Config::PROFILE_AV1_0,
+                                              C2Config::PROFILE_AV1_1}),
+                                  C2F(mProfileLevel, level)
+                                      .oneOf({
+                                          C2Config::LEVEL_AV1_2,
+                                          C2Config::LEVEL_AV1_2_1,
+                                          C2Config::LEVEL_AV1_2_2,
+                                          C2Config::LEVEL_AV1_3,
+                                          C2Config::LEVEL_AV1_3_1,
+                                          C2Config::LEVEL_AV1_3_2,
+                                      })})
+                     .withSetter(ProfileLevelSetter, mSize)
+                     .build());
+
+    mHdr10PlusInfoInput = C2StreamHdr10PlusInfo::input::AllocShared(0);
+    addParameter(
+        DefineParam(mHdr10PlusInfoInput, C2_PARAMKEY_INPUT_HDR10_PLUS_INFO)
+            .withDefault(mHdr10PlusInfoInput)
+            .withFields({
+                C2F(mHdr10PlusInfoInput, m.value).any(),
+            })
+            .withSetter(Hdr10PlusInfoInputSetter)
+            .build());
+
+    mHdr10PlusInfoOutput = C2StreamHdr10PlusInfo::output::AllocShared(0);
+    addParameter(
+        DefineParam(mHdr10PlusInfoOutput, C2_PARAMKEY_OUTPUT_HDR10_PLUS_INFO)
+            .withDefault(mHdr10PlusInfoOutput)
+            .withFields({
+                C2F(mHdr10PlusInfoOutput, m.value).any(),
+            })
+            .withSetter(Hdr10PlusInfoOutputSetter)
+            .build());
+
+    addParameter(
+        DefineParam(mMaxSize, C2_PARAMKEY_MAX_PICTURE_SIZE)
+            .withDefault(new C2StreamMaxPictureSizeTuning::output(0u, 320, 240))
+            .withFields({
+                C2F(mSize, width).inRange(2, 2048, 2),
+                C2F(mSize, height).inRange(2, 2048, 2),
+            })
+            .withSetter(MaxPictureSizeSetter, mSize)
+            .build());
+
+    addParameter(DefineParam(mMaxInputSize, C2_PARAMKEY_INPUT_MAX_BUFFER_SIZE)
+                     .withDefault(new C2StreamMaxBufferSizeInfo::input(
+                         0u, 320 * 240 * 3 / 4))
+                     .withFields({
+                         C2F(mMaxInputSize, value).any(),
+                     })
+                     .calculatedAs(MaxInputSizeSetter, mMaxSize)
+                     .build());
+
+    C2ChromaOffsetStruct locations[1] = {C2ChromaOffsetStruct::ITU_YUV_420_0()};
+    std::shared_ptr<C2StreamColorInfo::output> defaultColorInfo =
+        C2StreamColorInfo::output::AllocShared(1u, 0u, 8u /* bitDepth */,
+                                               C2Color::YUV_420);
+    memcpy(defaultColorInfo->m.locations, locations, sizeof(locations));
+
+    defaultColorInfo = C2StreamColorInfo::output::AllocShared(
+        {C2ChromaOffsetStruct::ITU_YUV_420_0()}, 0u, 8u /* bitDepth */,
+        C2Color::YUV_420);
+    helper->addStructDescriptors<C2ChromaOffsetStruct>();
+
+    addParameter(DefineParam(mColorInfo, C2_PARAMKEY_CODED_COLOR_INFO)
+                     .withConstValue(defaultColorInfo)
+                     .build());
+
+    addParameter(
+        DefineParam(mDefaultColorAspects, C2_PARAMKEY_DEFAULT_COLOR_ASPECTS)
+            .withDefault(new C2StreamColorAspectsTuning::output(
+                0u, C2Color::RANGE_UNSPECIFIED, C2Color::PRIMARIES_UNSPECIFIED,
+                C2Color::TRANSFER_UNSPECIFIED, C2Color::MATRIX_UNSPECIFIED))
+            .withFields(
+                {C2F(mDefaultColorAspects, range)
+                     .inRange(C2Color::RANGE_UNSPECIFIED, C2Color::RANGE_OTHER),
+                 C2F(mDefaultColorAspects, primaries)
+                     .inRange(C2Color::PRIMARIES_UNSPECIFIED,
+                              C2Color::PRIMARIES_OTHER),
+                 C2F(mDefaultColorAspects, transfer)
+                     .inRange(C2Color::TRANSFER_UNSPECIFIED,
+                              C2Color::TRANSFER_OTHER),
+                 C2F(mDefaultColorAspects, matrix)
+                     .inRange(C2Color::MATRIX_UNSPECIFIED,
+                              C2Color::MATRIX_OTHER)})
+            .withSetter(DefaultColorAspectsSetter)
+            .build());
+
+    // TODO: support more formats?
+    addParameter(DefineParam(mPixelFormat, C2_PARAMKEY_PIXEL_FORMAT)
+                     .withConstValue(new C2StreamPixelFormatInfo::output(
+                         0u, HAL_PIXEL_FORMAT_YCBCR_420_888))
+                     .build());
+  }
+
+  static C2R SizeSetter(bool mayBlock,
+                        const C2P<C2StreamPictureSizeInfo::output> &oldMe,
+                        C2P<C2StreamPictureSizeInfo::output> &me) {
+    (void)mayBlock;
+    C2R res = C2R::Ok();
+    if (!me.F(me.v.width).supportsAtAll(me.v.width)) {
+      res = res.plus(C2SettingResultBuilder::BadValue(me.F(me.v.width)));
+      me.set().width = oldMe.v.width;
+    }
+    if (!me.F(me.v.height).supportsAtAll(me.v.height)) {
+      res = res.plus(C2SettingResultBuilder::BadValue(me.F(me.v.height)));
+      me.set().height = oldMe.v.height;
+    }
+    return res;
+  }
+
+  static C2R MaxPictureSizeSetter(
+      bool mayBlock, C2P<C2StreamMaxPictureSizeTuning::output> &me,
+      const C2P<C2StreamPictureSizeInfo::output> &size) {
+    (void)mayBlock;
+    // TODO: get max width/height from the size's field helpers vs.
+    // hardcoding
+    me.set().width = c2_min(c2_max(me.v.width, size.v.width), 4096u);
+    me.set().height = c2_min(c2_max(me.v.height, size.v.height), 4096u);
+    return C2R::Ok();
+  }
+
+  static C2R MaxInputSizeSetter(
+      bool mayBlock, C2P<C2StreamMaxBufferSizeInfo::input> &me,
+      const C2P<C2StreamMaxPictureSizeTuning::output> &maxSize) {
+    (void)mayBlock;
+    // assume compression ratio of 2
+    me.set().value =
+        (((maxSize.v.width + 63) / 64) * ((maxSize.v.height + 63) / 64) * 3072);
+    return C2R::Ok();
+  }
+
+  static C2R DefaultColorAspectsSetter(
+      bool mayBlock, C2P<C2StreamColorAspectsTuning::output> &me) {
+    (void)mayBlock;
+    if (me.v.range > C2Color::RANGE_OTHER) {
+      me.set().range = C2Color::RANGE_OTHER;
+    }
+    if (me.v.primaries > C2Color::PRIMARIES_OTHER) {
+      me.set().primaries = C2Color::PRIMARIES_OTHER;
+    }
+    if (me.v.transfer > C2Color::TRANSFER_OTHER) {
+      me.set().transfer = C2Color::TRANSFER_OTHER;
+    }
+    if (me.v.matrix > C2Color::MATRIX_OTHER) {
+      me.set().matrix = C2Color::MATRIX_OTHER;
+    }
+    return C2R::Ok();
+  }
+
+  static C2R ProfileLevelSetter(
+      bool mayBlock, C2P<C2StreamProfileLevelInfo::input> &me,
+      const C2P<C2StreamPictureSizeInfo::output> &size) {
+    (void)mayBlock;
+    (void)size;
+    (void)me;  // TODO: validate
+    return C2R::Ok();
+  }
+
+  std::shared_ptr<C2StreamColorAspectsTuning::output>
+  getDefaultColorAspects_l() {
+    return mDefaultColorAspects;
+  }
+
+  static C2R Hdr10PlusInfoInputSetter(bool mayBlock,
+                                      C2P<C2StreamHdr10PlusInfo::input> &me) {
+    (void)mayBlock;
+    (void)me;  // TODO: validate
+    return C2R::Ok();
+  }
+
+  static C2R Hdr10PlusInfoOutputSetter(bool mayBlock,
+                                       C2P<C2StreamHdr10PlusInfo::output> &me) {
+    (void)mayBlock;
+    (void)me;  // TODO: validate
+    return C2R::Ok();
+  }
+
+ private:
+  std::shared_ptr<C2StreamProfileLevelInfo::input> mProfileLevel;
+  std::shared_ptr<C2StreamPictureSizeInfo::output> mSize;
+  std::shared_ptr<C2StreamMaxPictureSizeTuning::output> mMaxSize;
+  std::shared_ptr<C2StreamMaxBufferSizeInfo::input> mMaxInputSize;
+  std::shared_ptr<C2StreamColorInfo::output> mColorInfo;
+  std::shared_ptr<C2StreamPixelFormatInfo::output> mPixelFormat;
+  std::shared_ptr<C2StreamColorAspectsTuning::output> mDefaultColorAspects;
+  std::shared_ptr<C2StreamHdr10PlusInfo::input> mHdr10PlusInfoInput;
+  std::shared_ptr<C2StreamHdr10PlusInfo::output> mHdr10PlusInfoOutput;
+};
+
+C2SoftGav1Dec::C2SoftGav1Dec(const char *name, c2_node_id_t id,
+                             const std::shared_ptr<IntfImpl> &intfImpl)
+    : SimpleC2Component(
+          std::make_shared<SimpleInterface<IntfImpl>>(name, id, intfImpl)),
+      mIntf(intfImpl),
+      mCodecCtx(nullptr) {
+  gettimeofday(&mTimeStart, nullptr);
+  gettimeofday(&mTimeEnd, nullptr);
+}
+
+C2SoftGav1Dec::~C2SoftGav1Dec() { onRelease(); }
+
+c2_status_t C2SoftGav1Dec::onInit() {
+  return initDecoder() ? C2_OK : C2_CORRUPTED;
+}
+
+c2_status_t C2SoftGav1Dec::onStop() {
+  mSignalledError = false;
+  mSignalledOutputEos = false;
+  return C2_OK;
+}
+
+void C2SoftGav1Dec::onReset() {
+  (void)onStop();
+  c2_status_t err = onFlush_sm();
+  if (err != C2_OK) {
+    ALOGW("Failed to flush the av1 decoder. Trying to hard reset.");
+    destroyDecoder();
+    if (!initDecoder()) {
+      ALOGE("Hard reset failed.");
+    }
+  }
+}
+
+void C2SoftGav1Dec::onRelease() { destroyDecoder(); }
+
+c2_status_t C2SoftGav1Dec::onFlush_sm() {
+  Libgav1StatusCode status =
+      mCodecCtx->EnqueueFrame(/*data=*/nullptr, /*size=*/0,
+                              /*user_private_data=*/0);
+  if (status != kLibgav1StatusOk) {
+    ALOGE("Failed to flush av1 decoder. status: %d.", status);
+    return C2_CORRUPTED;
+  }
+
+  // Dequeue frame (if any) that was enqueued previously.
+  const libgav1::DecoderBuffer *buffer;
+  status = mCodecCtx->DequeueFrame(&buffer);
+  if (status != kLibgav1StatusOk) {
+    ALOGE("Failed to dequeue frame after flushing the av1 decoder. status: %d",
+          status);
+    return C2_CORRUPTED;
+  }
+
+  mSignalledError = false;
+  mSignalledOutputEos = false;
+
+  return C2_OK;
+}
+
+static int GetCPUCoreCount() {
+  int cpuCoreCount = 1;
+#if defined(_SC_NPROCESSORS_ONLN)
+  cpuCoreCount = sysconf(_SC_NPROCESSORS_ONLN);
+#else
+  // _SC_NPROC_ONLN must be defined...
+  cpuCoreCount = sysconf(_SC_NPROC_ONLN);
+#endif
+  CHECK(cpuCoreCount >= 1);
+  ALOGV("Number of CPU cores: %d", cpuCoreCount);
+  return cpuCoreCount;
+}
+
+bool C2SoftGav1Dec::initDecoder() {
+  mSignalledError = false;
+  mSignalledOutputEos = false;
+  mCodecCtx.reset(new libgav1::Decoder());
+
+  if (mCodecCtx == nullptr) {
+    ALOGE("mCodecCtx is null");
+    return false;
+  }
+
+  libgav1::DecoderSettings settings = {};
+  settings.threads = GetCPUCoreCount();
+
+  ALOGV("Using libgav1 AV1 software decoder.");
+  Libgav1StatusCode status = mCodecCtx->Init(&settings);
+  if (status != kLibgav1StatusOk) {
+    ALOGE("av1 decoder failed to initialize. status: %d.", status);
+    return false;
+  }
+
+  return true;
+}
+
+void C2SoftGav1Dec::destroyDecoder() { mCodecCtx = nullptr; }
+
+void fillEmptyWork(const std::unique_ptr<C2Work> &work) {
+  uint32_t flags = 0;
+  if (work->input.flags & C2FrameData::FLAG_END_OF_STREAM) {
+    flags |= C2FrameData::FLAG_END_OF_STREAM;
+    ALOGV("signalling eos");
+  }
+  work->worklets.front()->output.flags = (C2FrameData::flags_t)flags;
+  work->worklets.front()->output.buffers.clear();
+  work->worklets.front()->output.ordinal = work->input.ordinal;
+  work->workletsProcessed = 1u;
+}
+
+void C2SoftGav1Dec::finishWork(uint64_t index,
+                               const std::unique_ptr<C2Work> &work,
+                               const std::shared_ptr<C2GraphicBlock> &block) {
+  std::shared_ptr<C2Buffer> buffer =
+      createGraphicBuffer(block, C2Rect(mWidth, mHeight));
+  auto fillWork = [buffer, index](const std::unique_ptr<C2Work> &work) {
+    uint32_t flags = 0;
+    if ((work->input.flags & C2FrameData::FLAG_END_OF_STREAM) &&
+        (c2_cntr64_t(index) == work->input.ordinal.frameIndex)) {
+      flags |= C2FrameData::FLAG_END_OF_STREAM;
+      ALOGV("signalling eos");
+    }
+    work->worklets.front()->output.flags = (C2FrameData::flags_t)flags;
+    work->worklets.front()->output.buffers.clear();
+    work->worklets.front()->output.buffers.push_back(buffer);
+    work->worklets.front()->output.ordinal = work->input.ordinal;
+    work->workletsProcessed = 1u;
+  };
+  if (work && c2_cntr64_t(index) == work->input.ordinal.frameIndex) {
+    fillWork(work);
+  } else {
+    finish(index, fillWork);
+  }
+}
+
+void C2SoftGav1Dec::process(const std::unique_ptr<C2Work> &work,
+                            const std::shared_ptr<C2BlockPool> &pool) {
+  work->result = C2_OK;
+  work->workletsProcessed = 0u;
+  work->worklets.front()->output.configUpdate.clear();
+  work->worklets.front()->output.flags = work->input.flags;
+  if (mSignalledError || mSignalledOutputEos) {
+    work->result = C2_BAD_VALUE;
+    return;
+  }
+
+  size_t inOffset = 0u;
+  size_t inSize = 0u;
+  C2ReadView rView = mDummyReadView;
+  if (!work->input.buffers.empty()) {
+    rView = work->input.buffers[0]->data().linearBlocks().front().map().get();
+    inSize = rView.capacity();
+    if (inSize && rView.error()) {
+      ALOGE("read view map failed %d", rView.error());
+      work->result = C2_CORRUPTED;
+      return;
+    }
+  }
+
+  bool codecConfig =
+      ((work->input.flags & C2FrameData::FLAG_CODEC_CONFIG) != 0);
+  bool eos = ((work->input.flags & C2FrameData::FLAG_END_OF_STREAM) != 0);
+
+  ALOGV("in buffer attr. size %zu timestamp %d frameindex %d, flags %x", inSize,
+        (int)work->input.ordinal.timestamp.peeku(),
+        (int)work->input.ordinal.frameIndex.peeku(), work->input.flags);
+
+  if (codecConfig) {
+    fillEmptyWork(work);
+    return;
+  }
+
+  int64_t frameIndex = work->input.ordinal.frameIndex.peekll();
+  if (inSize) {
+    uint8_t *bitstream = const_cast<uint8_t *>(rView.data() + inOffset);
+    int32_t decodeTime = 0;
+    int32_t delay = 0;
+
+    GETTIME(&mTimeStart, nullptr);
+    TIME_DIFF(mTimeEnd, mTimeStart, delay);
+
+    const Libgav1StatusCode status =
+        mCodecCtx->EnqueueFrame(bitstream, inSize, frameIndex);
+
+    GETTIME(&mTimeEnd, nullptr);
+    TIME_DIFF(mTimeStart, mTimeEnd, decodeTime);
+    ALOGV("decodeTime=%4d delay=%4d\n", decodeTime, delay);
+
+    if (status != kLibgav1StatusOk) {
+      ALOGE("av1 decoder failed to decode frame. status: %d.", status);
+      work->result = C2_CORRUPTED;
+      work->workletsProcessed = 1u;
+      mSignalledError = true;
+      return;
+    }
+
+  } else {
+    const Libgav1StatusCode status =
+        mCodecCtx->EnqueueFrame(/*data=*/nullptr, /*size=*/0,
+                                /*user_private_data=*/0);
+    if (status != kLibgav1StatusOk) {
+      ALOGE("Failed to flush av1 decoder. status: %d.", status);
+      work->result = C2_CORRUPTED;
+      work->workletsProcessed = 1u;
+      mSignalledError = true;
+      return;
+    }
+  }
+
+  (void)outputBuffer(pool, work);
+
+  if (eos) {
+    drainInternal(DRAIN_COMPONENT_WITH_EOS, pool, work);
+    mSignalledOutputEos = true;
+  } else if (!inSize) {
+    fillEmptyWork(work);
+  }
+}
+
+static void copyOutputBufferToYV12Frame(uint8_t *dst, const uint8_t *srcY,
+                                        const uint8_t *srcU,
+                                        const uint8_t *srcV, size_t srcYStride,
+                                        size_t srcUStride, size_t srcVStride,
+                                        uint32_t width, uint32_t height) {
+  const size_t dstYStride = align(width, 16);
+  const size_t dstUVStride = align(dstYStride / 2, 16);
+  uint8_t *const dstStart = dst;
+
+  for (size_t i = 0; i < height; ++i) {
+    memcpy(dst, srcY, width);
+    srcY += srcYStride;
+    dst += dstYStride;
+  }
+
+  dst = dstStart + dstYStride * height;
+  for (size_t i = 0; i < height / 2; ++i) {
+    memcpy(dst, srcV, width / 2);
+    srcV += srcVStride;
+    dst += dstUVStride;
+  }
+
+  dst = dstStart + (dstYStride * height) + (dstUVStride * height / 2);
+  for (size_t i = 0; i < height / 2; ++i) {
+    memcpy(dst, srcU, width / 2);
+    srcU += srcUStride;
+    dst += dstUVStride;
+  }
+}
+
+static void convertYUV420Planar16ToY410(uint32_t *dst, const uint16_t *srcY,
+                                        const uint16_t *srcU,
+                                        const uint16_t *srcV, size_t srcYStride,
+                                        size_t srcUStride, size_t srcVStride,
+                                        size_t dstStride, size_t width,
+                                        size_t height) {
+  // Converting two lines at a time, slightly faster
+  for (size_t y = 0; y < height; y += 2) {
+    uint32_t *dstTop = (uint32_t *)dst;
+    uint32_t *dstBot = (uint32_t *)(dst + dstStride);
+    uint16_t *ySrcTop = (uint16_t *)srcY;
+    uint16_t *ySrcBot = (uint16_t *)(srcY + srcYStride);
+    uint16_t *uSrc = (uint16_t *)srcU;
+    uint16_t *vSrc = (uint16_t *)srcV;
+
+    uint32_t u01, v01, y01, y23, y45, y67, uv0, uv1;
+    size_t x = 0;
+    for (; x < width - 3; x += 4) {
+      u01 = *((uint32_t *)uSrc);
+      uSrc += 2;
+      v01 = *((uint32_t *)vSrc);
+      vSrc += 2;
+
+      y01 = *((uint32_t *)ySrcTop);
+      ySrcTop += 2;
+      y23 = *((uint32_t *)ySrcTop);
+      ySrcTop += 2;
+      y45 = *((uint32_t *)ySrcBot);
+      ySrcBot += 2;
+      y67 = *((uint32_t *)ySrcBot);
+      ySrcBot += 2;
+
+      uv0 = (u01 & 0x3FF) | ((v01 & 0x3FF) << 20);
+      uv1 = (u01 >> 16) | ((v01 >> 16) << 20);
+
+      *dstTop++ = 3 << 30 | ((y01 & 0x3FF) << 10) | uv0;
+      *dstTop++ = 3 << 30 | ((y01 >> 16) << 10) | uv0;
+      *dstTop++ = 3 << 30 | ((y23 & 0x3FF) << 10) | uv1;
+      *dstTop++ = 3 << 30 | ((y23 >> 16) << 10) | uv1;
+
+      *dstBot++ = 3 << 30 | ((y45 & 0x3FF) << 10) | uv0;
+      *dstBot++ = 3 << 30 | ((y45 >> 16) << 10) | uv0;
+      *dstBot++ = 3 << 30 | ((y67 & 0x3FF) << 10) | uv1;
+      *dstBot++ = 3 << 30 | ((y67 >> 16) << 10) | uv1;
+    }
+
+    // There should be at most 2 more pixels to process. Note that we don't
+    // need to consider odd case as the buffer is always aligned to even.
+    if (x < width) {
+      u01 = *uSrc;
+      v01 = *vSrc;
+      y01 = *((uint32_t *)ySrcTop);
+      y45 = *((uint32_t *)ySrcBot);
+      uv0 = (u01 & 0x3FF) | ((v01 & 0x3FF) << 20);
+      *dstTop++ = ((y01 & 0x3FF) << 10) | uv0;
+      *dstTop++ = ((y01 >> 16) << 10) | uv0;
+      *dstBot++ = ((y45 & 0x3FF) << 10) | uv0;
+      *dstBot++ = ((y45 >> 16) << 10) | uv0;
+    }
+
+    srcY += srcYStride * 2;
+    srcU += srcUStride;
+    srcV += srcVStride;
+    dst += dstStride * 2;
+  }
+}
+
+static void convertYUV420Planar16ToYUV420Planar(
+    uint8_t *dst, const uint16_t *srcY, const uint16_t *srcU,
+    const uint16_t *srcV, size_t srcYStride, size_t srcUStride,
+    size_t srcVStride, size_t dstStride, size_t width, size_t height) {
+  uint8_t *dstY = (uint8_t *)dst;
+  size_t dstYSize = dstStride * height;
+  size_t dstUVStride = align(dstStride / 2, 16);
+  size_t dstUVSize = dstUVStride * height / 2;
+  uint8_t *dstV = dstY + dstYSize;
+  uint8_t *dstU = dstV + dstUVSize;
+
+  for (size_t y = 0; y < height; ++y) {
+    for (size_t x = 0; x < width; ++x) {
+      dstY[x] = (uint8_t)(srcY[x] >> 2);
+    }
+
+    srcY += srcYStride;
+    dstY += dstStride;
+  }
+
+  for (size_t y = 0; y < (height + 1) / 2; ++y) {
+    for (size_t x = 0; x < (width + 1) / 2; ++x) {
+      dstU[x] = (uint8_t)(srcU[x] >> 2);
+      dstV[x] = (uint8_t)(srcV[x] >> 2);
+    }
+
+    srcU += srcUStride;
+    srcV += srcVStride;
+    dstU += dstUVStride;
+    dstV += dstUVStride;
+  }
+}
+
+bool C2SoftGav1Dec::outputBuffer(const std::shared_ptr<C2BlockPool> &pool,
+                                 const std::unique_ptr<C2Work> &work) {
+  if (!(work && pool)) return false;
+
+  const libgav1::DecoderBuffer *buffer;
+  const Libgav1StatusCode status = mCodecCtx->DequeueFrame(&buffer);
+
+  if (status != kLibgav1StatusOk) {
+    ALOGE("av1 decoder DequeueFrame failed. status: %d.", status);
+    return false;
+  }
+
+  // |buffer| can be NULL if status was equal to kLibgav1StatusOk. This is not
+  // an error. This could mean one of two things:
+  //  - The EnqueueFrame() call was either a flush (called with nullptr).
+  //  - The enqueued frame did not have any displayable frames.
+  if (!buffer) {
+    return false;
+  }
+
+  const int width = buffer->displayed_width[0];
+  const int height = buffer->displayed_height[0];
+  if (width != mWidth || height != mHeight) {
+    mWidth = width;
+    mHeight = height;
+
+    C2StreamPictureSizeInfo::output size(0u, mWidth, mHeight);
+    std::vector<std::unique_ptr<C2SettingResult>> failures;
+    c2_status_t err = mIntf->config({&size}, C2_MAY_BLOCK, &failures);
+    if (err == C2_OK) {
+      work->worklets.front()->output.configUpdate.push_back(
+          C2Param::Copy(size));
+    } else {
+      ALOGE("Config update size failed");
+      mSignalledError = true;
+      work->result = C2_CORRUPTED;
+      work->workletsProcessed = 1u;
+      return false;
+    }
+  }
+
+  // TODO(vigneshv): Add support for monochrome videos since AV1 supports it.
+  CHECK(buffer->image_format == libgav1::kImageFormatYuv420);
+
+  std::shared_ptr<C2GraphicBlock> block;
+  uint32_t format = HAL_PIXEL_FORMAT_YV12;
+  if (buffer->bitdepth == 10) {
+    IntfImpl::Lock lock = mIntf->lock();
+    std::shared_ptr<C2StreamColorAspectsTuning::output> defaultColorAspects =
+        mIntf->getDefaultColorAspects_l();
+
+    if (defaultColorAspects->primaries == C2Color::PRIMARIES_BT2020 &&
+        defaultColorAspects->matrix == C2Color::MATRIX_BT2020 &&
+        defaultColorAspects->transfer == C2Color::TRANSFER_ST2084) {
+      format = HAL_PIXEL_FORMAT_RGBA_1010102;
+    }
+  }
+  C2MemoryUsage usage = {C2MemoryUsage::CPU_READ, C2MemoryUsage::CPU_WRITE};
+
+  c2_status_t err = pool->fetchGraphicBlock(align(mWidth, 16), mHeight, format,
+                                            usage, &block);
+
+  if (err != C2_OK) {
+    ALOGE("fetchGraphicBlock for Output failed with status %d", err);
+    work->result = err;
+    return false;
+  }
+
+  C2GraphicView wView = block->map().get();
+
+  if (wView.error()) {
+    ALOGE("graphic view map failed %d", wView.error());
+    work->result = C2_CORRUPTED;
+    return false;
+  }
+
+  ALOGV("provided (%dx%d) required (%dx%d), out frameindex %d", block->width(),
+        block->height(), mWidth, mHeight, (int)buffer->user_private_data);
+
+  uint8_t *dst = const_cast<uint8_t *>(wView.data()[C2PlanarLayout::PLANE_Y]);
+  size_t srcYStride = buffer->stride[0];
+  size_t srcUStride = buffer->stride[1];
+  size_t srcVStride = buffer->stride[2];
+
+  if (buffer->bitdepth == 10) {
+    const uint16_t *srcY = (const uint16_t *)buffer->plane[0];
+    const uint16_t *srcU = (const uint16_t *)buffer->plane[1];
+    const uint16_t *srcV = (const uint16_t *)buffer->plane[2];
+
+    if (format == HAL_PIXEL_FORMAT_RGBA_1010102) {
+      convertYUV420Planar16ToY410(
+          (uint32_t *)dst, srcY, srcU, srcV, srcYStride / 2, srcUStride / 2,
+          srcVStride / 2, align(mWidth, 16), mWidth, mHeight);
+    } else {
+      convertYUV420Planar16ToYUV420Planar(dst, srcY, srcU, srcV, srcYStride / 2,
+                                          srcUStride / 2, srcVStride / 2,
+                                          align(mWidth, 16), mWidth, mHeight);
+    }
+  } else {
+    const uint8_t *srcY = (const uint8_t *)buffer->plane[0];
+    const uint8_t *srcU = (const uint8_t *)buffer->plane[1];
+    const uint8_t *srcV = (const uint8_t *)buffer->plane[2];
+    copyOutputBufferToYV12Frame(dst, srcY, srcU, srcV, srcYStride, srcUStride,
+                                srcVStride, mWidth, mHeight);
+  }
+  finishWork(buffer->user_private_data, work, std::move(block));
+  block = nullptr;
+  return true;
+}
+
+c2_status_t C2SoftGav1Dec::drainInternal(
+    uint32_t drainMode, const std::shared_ptr<C2BlockPool> &pool,
+    const std::unique_ptr<C2Work> &work) {
+  if (drainMode == NO_DRAIN) {
+    ALOGW("drain with NO_DRAIN: no-op");
+    return C2_OK;
+  }
+  if (drainMode == DRAIN_CHAIN) {
+    ALOGW("DRAIN_CHAIN not supported");
+    return C2_OMITTED;
+  }
+
+  Libgav1StatusCode status =
+      mCodecCtx->EnqueueFrame(/*data=*/nullptr, /*size=*/0,
+                              /*user_private_data=*/0);
+  if (status != kLibgav1StatusOk) {
+    ALOGE("Failed to flush av1 decoder. status: %d.", status);
+    return C2_CORRUPTED;
+  }
+
+  while (outputBuffer(pool, work)) {
+  }
+
+  if (drainMode == DRAIN_COMPONENT_WITH_EOS && work &&
+      work->workletsProcessed == 0u) {
+    fillEmptyWork(work);
+  }
+
+  return C2_OK;
+}
+
+c2_status_t C2SoftGav1Dec::drain(uint32_t drainMode,
+                                 const std::shared_ptr<C2BlockPool> &pool) {
+  return drainInternal(drainMode, pool, nullptr);
+}
+
+class C2SoftGav1Factory : public C2ComponentFactory {
+ public:
+  C2SoftGav1Factory()
+      : mHelper(std::static_pointer_cast<C2ReflectorHelper>(
+            GetCodec2PlatformComponentStore()->getParamReflector())) {}
+
+  virtual c2_status_t createComponent(
+      c2_node_id_t id, std::shared_ptr<C2Component> *const component,
+      std::function<void(C2Component *)> deleter) override {
+    *component = std::shared_ptr<C2Component>(
+        new C2SoftGav1Dec(COMPONENT_NAME, id,
+                          std::make_shared<C2SoftGav1Dec::IntfImpl>(mHelper)),
+        deleter);
+    return C2_OK;
+  }
+
+  virtual c2_status_t createInterface(
+      c2_node_id_t id, std::shared_ptr<C2ComponentInterface> *const interface,
+      std::function<void(C2ComponentInterface *)> deleter) override {
+    *interface = std::shared_ptr<C2ComponentInterface>(
+        new SimpleInterface<C2SoftGav1Dec::IntfImpl>(
+            COMPONENT_NAME, id,
+            std::make_shared<C2SoftGav1Dec::IntfImpl>(mHelper)),
+        deleter);
+    return C2_OK;
+  }
+
+  virtual ~C2SoftGav1Factory() override = default;
+
+ private:
+  std::shared_ptr<C2ReflectorHelper> mHelper;
+};
+
+}  // namespace android
+
+extern "C" ::C2ComponentFactory *CreateCodec2Factory() {
+  ALOGV("in %s", __func__);
+  return new ::android::C2SoftGav1Factory();
+}
+
+extern "C" void DestroyCodec2Factory(::C2ComponentFactory *factory) {
+  ALOGV("in %s", __func__);
+  delete factory;
+}
diff --git a/media/codec2/components/gav1/C2SoftGav1Dec.h b/media/codec2/components/gav1/C2SoftGav1Dec.h
new file mode 100644
index 0000000..a7c08bb
--- /dev/null
+++ b/media/codec2/components/gav1/C2SoftGav1Dec.h
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2019 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_C2_SOFT_GAV1_DEC_H_
+#define ANDROID_C2_SOFT_GAV1_DEC_H_
+
+#include <SimpleC2Component.h>
+#include "libgav1/src/decoder.h"
+#include "libgav1/src/decoder_settings.h"
+
+#define GETTIME(a, b) gettimeofday(a, b);
+#define TIME_DIFF(start, end, diff)     \
+    diff = (((end).tv_sec - (start).tv_sec) * 1000000) + \
+            ((end).tv_usec - (start).tv_usec);
+
+namespace android {
+
+struct C2SoftGav1Dec : public SimpleC2Component {
+  class IntfImpl;
+
+  C2SoftGav1Dec(const char* name, c2_node_id_t id,
+                const std::shared_ptr<IntfImpl>& intfImpl);
+  ~C2SoftGav1Dec();
+
+  // Begin SimpleC2Component overrides.
+  c2_status_t onInit() override;
+  c2_status_t onStop() override;
+  void onReset() override;
+  void onRelease() override;
+  c2_status_t onFlush_sm() override;
+  void process(const std::unique_ptr<C2Work>& work,
+               const std::shared_ptr<C2BlockPool>& pool) override;
+  c2_status_t drain(uint32_t drainMode,
+                    const std::shared_ptr<C2BlockPool>& pool) override;
+  // End SimpleC2Component overrides.
+
+ private:
+  std::shared_ptr<IntfImpl> mIntf;
+  std::unique_ptr<libgav1::Decoder> mCodecCtx;
+
+  uint32_t mWidth;
+  uint32_t mHeight;
+  bool mSignalledOutputEos;
+  bool mSignalledError;
+
+  struct timeval mTimeStart;  // Time at the start of decode()
+  struct timeval mTimeEnd;    // Time at the end of decode()
+
+  bool initDecoder();
+  void destroyDecoder();
+  void finishWork(uint64_t index, const std::unique_ptr<C2Work>& work,
+                  const std::shared_ptr<C2GraphicBlock>& block);
+  bool outputBuffer(const std::shared_ptr<C2BlockPool>& pool,
+                    const std::unique_ptr<C2Work>& work);
+  c2_status_t drainInternal(uint32_t drainMode,
+                            const std::shared_ptr<C2BlockPool>& pool,
+                            const std::unique_ptr<C2Work>& work);
+
+  C2_DO_NOT_COPY(C2SoftGav1Dec);
+};
+
+}  // namespace android
+
+#endif  // ANDROID_C2_SOFT_GAV1_DEC_H_
diff --git a/media/codec2/components/hevc/C2SoftHevcDec.cpp b/media/codec2/components/hevc/C2SoftHevcDec.cpp
index 7232572..df677c2 100644
--- a/media/codec2/components/hevc/C2SoftHevcDec.cpp
+++ b/media/codec2/components/hevc/C2SoftHevcDec.cpp
@@ -33,7 +33,8 @@
 namespace {
 
 constexpr char COMPONENT_NAME[] = "c2.android.hevc.decoder";
-
+constexpr uint32_t kDefaultOutputDelay = 8;
+constexpr uint32_t kMaxOutputDelay = 16;
 }  // namespace
 
 class C2SoftHevcDec::IntfImpl : public SimpleInterface<void>::BaseParams {
@@ -54,7 +55,9 @@
         // TODO: Proper support for reorder depth.
         addParameter(
                 DefineParam(mActualOutputDelay, C2_PARAMKEY_OUTPUT_DELAY)
-                .withConstValue(new C2PortActualDelayTuning::output(8u))
+                .withDefault(new C2PortActualDelayTuning::output(kDefaultOutputDelay))
+                .withFields({C2F(mActualOutputDelay, value).inRange(0, kMaxOutputDelay)})
+                .withSetter(Setter<decltype(*mActualOutputDelay)>::StrictValueWithNoDeps)
                 .build());
 
         addParameter(
@@ -327,6 +330,7 @@
         mDecHandle(nullptr),
         mOutBufferFlush(nullptr),
         mIvColorformat(IV_YUV_420P),
+        mOutputDelay(kDefaultOutputDelay),
         mWidth(320),
         mHeight(240),
         mHeaderDecoded(false),
@@ -877,6 +881,26 @@
             work->result = C2_CORRUPTED;
             return;
         }
+        if (s_decode_op.i4_reorder_depth >= 0 && mOutputDelay != s_decode_op.i4_reorder_depth) {
+            mOutputDelay = s_decode_op.i4_reorder_depth;
+            ALOGV("New Output delay %d ", mOutputDelay);
+
+            C2PortActualDelayTuning::output outputDelay(mOutputDelay);
+            std::vector<std::unique_ptr<C2SettingResult>> failures;
+            c2_status_t err =
+                mIntf->config({&outputDelay}, C2_MAY_BLOCK, &failures);
+            if (err == OK) {
+                work->worklets.front()->output.configUpdate.push_back(
+                    C2Param::Copy(outputDelay));
+            } else {
+                ALOGE("Cannot set output delay");
+                mSignalledError = true;
+                work->workletsProcessed = 1u;
+                work->result = C2_CORRUPTED;
+                return;
+            }
+            continue;
+        }
         if (0 < s_decode_op.u4_pic_wd && 0 < s_decode_op.u4_pic_ht) {
             if (mHeaderDecoded == false) {
                 mHeaderDecoded = true;
diff --git a/media/codec2/components/hevc/C2SoftHevcDec.h b/media/codec2/components/hevc/C2SoftHevcDec.h
index b7664e6..ce63a6c 100644
--- a/media/codec2/components/hevc/C2SoftHevcDec.h
+++ b/media/codec2/components/hevc/C2SoftHevcDec.h
@@ -115,7 +115,7 @@
 
     size_t mNumCores;
     IV_COLOR_FORMAT_T mIvColorformat;
-
+    uint32_t mOutputDelay;
     uint32_t mWidth;
     uint32_t mHeight;
     uint32_t mStride;
diff --git a/media/codec2/components/mpeg4_h263/C2SoftMpeg4Enc.cpp b/media/codec2/components/mpeg4_h263/C2SoftMpeg4Enc.cpp
index 36053f6..54c8c47 100644
--- a/media/codec2/components/mpeg4_h263/C2SoftMpeg4Enc.cpp
+++ b/media/codec2/components/mpeg4_h263/C2SoftMpeg4Enc.cpp
@@ -517,9 +517,11 @@
             if (layout.planes[layout.PLANE_Y].colInc == 1
                     && layout.planes[layout.PLANE_U].colInc == 1
                     && layout.planes[layout.PLANE_V].colInc == 1
+                    && yStride == align(width, 16)
                     && uStride == vStride
                     && yStride == 2 * vStride) {
-                // I420 compatible - planes are already set up above
+                // I420 compatible with yStride being equal to aligned width
+                // planes are already set up above
                 break;
             }
 
diff --git a/media/codec2/components/raw/C2SoftRawDec.cpp b/media/codec2/components/raw/C2SoftRawDec.cpp
index 95eb909..7b6f21a 100644
--- a/media/codec2/components/raw/C2SoftRawDec.cpp
+++ b/media/codec2/components/raw/C2SoftRawDec.cpp
@@ -58,7 +58,7 @@
         addParameter(
                 DefineParam(mSampleRate, C2_PARAMKEY_SAMPLE_RATE)
                 .withDefault(new C2StreamSampleRateInfo::output(0u, 44100))
-                .withFields({C2F(mSampleRate, value).inRange(8000, 384000)})
+                .withFields({C2F(mSampleRate, value).greaterThan(0)})
                 .withSetter((Setter<decltype(*mSampleRate)>::StrictValueWithNoDeps))
                 .build());
 
diff --git a/media/codec2/components/vpx/C2SoftVpxDec.cpp b/media/codec2/components/vpx/C2SoftVpxDec.cpp
index a52ca15..a759e8f 100644
--- a/media/codec2/components/vpx/C2SoftVpxDec.cpp
+++ b/media/codec2/components/vpx/C2SoftVpxDec.cpp
@@ -593,12 +593,10 @@
         }
     }
 
-    int64_t frameIndex = work->input.ordinal.frameIndex.peekll();
-
     if (inSize) {
         uint8_t *bitstream = const_cast<uint8_t *>(rView.data() + inOffset);
         vpx_codec_err_t err = vpx_codec_decode(
-                mCodecCtx, bitstream, inSize, &frameIndex, 0);
+                mCodecCtx, bitstream, inSize, &work->input.ordinal.frameIndex, 0);
         if (err != VPX_CODEC_OK) {
             ALOGE("on2 decoder failed to decode frame. err: %d", err);
             mSignalledError = true;
@@ -608,7 +606,20 @@
         }
     }
 
-    (void)outputBuffer(pool, work);
+    status_t err = outputBuffer(pool, work);
+    if (err == NOT_ENOUGH_DATA) {
+        if (inSize > 0) {
+            ALOGV("Maybe non-display frame at %lld.",
+                  work->input.ordinal.frameIndex.peekll());
+            // send the work back with empty buffer.
+            inSize = 0;
+        }
+    } else if (err != OK) {
+        ALOGD("Error while getting the output frame out");
+        // work->result would be already filled; do fillEmptyWork() below to
+        // send the work back.
+        inSize = 0;
+    }
 
     if (eos) {
         drainInternal(DRAIN_COMPONENT_WITH_EOS, pool, work);
@@ -742,16 +753,16 @@
     }
     return;
 }
-bool C2SoftVpxDec::outputBuffer(
+status_t C2SoftVpxDec::outputBuffer(
         const std::shared_ptr<C2BlockPool> &pool,
         const std::unique_ptr<C2Work> &work)
 {
-    if (!(work && pool)) return false;
+    if (!(work && pool)) return BAD_VALUE;
 
     vpx_codec_iter_t iter = nullptr;
     vpx_image_t *img = vpx_codec_get_frame(mCodecCtx, &iter);
 
-    if (!img) return false;
+    if (!img) return NOT_ENOUGH_DATA;
 
     if (img->d_w != mWidth || img->d_h != mHeight) {
         mWidth = img->d_w;
@@ -768,7 +779,7 @@
             mSignalledError = true;
             work->workletsProcessed = 1u;
             work->result = C2_CORRUPTED;
-            return false;
+            return UNKNOWN_ERROR;
         }
 
     }
@@ -791,18 +802,19 @@
     if (err != C2_OK) {
         ALOGE("fetchGraphicBlock for Output failed with status %d", err);
         work->result = err;
-        return false;
+        return UNKNOWN_ERROR;
     }
 
     C2GraphicView wView = block->map().get();
     if (wView.error()) {
         ALOGE("graphic view map failed %d", wView.error());
         work->result = C2_CORRUPTED;
-        return false;
+        return UNKNOWN_ERROR;
     }
 
-    ALOGV("provided (%dx%d) required (%dx%d), out frameindex %d",
-           block->width(), block->height(), mWidth, mHeight, (int)*(int64_t *)img->user_priv);
+    ALOGV("provided (%dx%d) required (%dx%d), out frameindex %lld",
+           block->width(), block->height(), mWidth, mHeight,
+           ((c2_cntr64_t *)img->user_priv)->peekll());
 
     uint8_t *dst = const_cast<uint8_t *>(wView.data()[C2PlanarLayout::PLANE_Y]);
     size_t srcYStride = img->stride[VPX_PLANE_Y];
@@ -858,8 +870,8 @@
                 dstYStride, dstUVStride,
                 mWidth, mHeight);
     }
-    finishWork(*(int64_t *)img->user_priv, work, std::move(block));
-    return true;
+    finishWork(((c2_cntr64_t *)img->user_priv)->peekull(), work, std::move(block));
+    return OK;
 }
 
 c2_status_t C2SoftVpxDec::drainInternal(
@@ -875,7 +887,7 @@
         return C2_OMITTED;
     }
 
-    while ((outputBuffer(pool, work))) {
+    while (outputBuffer(pool, work) == OK) {
     }
 
     if (drainMode == DRAIN_COMPONENT_WITH_EOS &&
diff --git a/media/codec2/components/vpx/C2SoftVpxDec.h b/media/codec2/components/vpx/C2SoftVpxDec.h
index e51bcee..2065165 100644
--- a/media/codec2/components/vpx/C2SoftVpxDec.h
+++ b/media/codec2/components/vpx/C2SoftVpxDec.h
@@ -85,7 +85,7 @@
     status_t destroyDecoder();
     void finishWork(uint64_t index, const std::unique_ptr<C2Work> &work,
                     const std::shared_ptr<C2GraphicBlock> &block);
-    bool outputBuffer(
+    status_t outputBuffer(
             const std::shared_ptr<C2BlockPool> &pool,
             const std::unique_ptr<C2Work> &work);
     c2_status_t drainInternal(
diff --git a/media/codec2/hidl/1.0/utils/Android.bp b/media/codec2/hidl/1.0/utils/Android.bp
index 63fe36b..f1f1536 100644
--- a/media/codec2/hidl/1.0/utils/Android.bp
+++ b/media/codec2/hidl/1.0/utils/Android.bp
@@ -24,7 +24,7 @@
         "libgui",
         "libhidlbase",
         "liblog",
-        "libstagefright_bufferpool@2.0",
+        "libstagefright_bufferpool@2.0.1",
         "libui",
         "libutils",
     ],
@@ -37,7 +37,7 @@
         "android.hardware.media.c2@1.0",
         "libcodec2",
         "libgui",
-        "libstagefright_bufferpool@2.0",
+        "libstagefright_bufferpool@2.0.1",
         "libui",
     ],
 }
@@ -83,7 +83,7 @@
         "libhidltransport",
         "libhwbinder",
         "liblog",
-        "libstagefright_bufferpool@2.0",
+        "libstagefright_bufferpool@2.0.1",
         "libstagefright_bufferqueue_helper",
         "libui",
         "libutils",
@@ -98,7 +98,7 @@
         "libcodec2",
         "libcodec2_vndk",
         "libhidlbase",
-        "libstagefright_bufferpool@2.0",
+        "libstagefright_bufferpool@2.0.1",
         "libui",
     ],
 }
diff --git a/media/codec2/hidl/1.0/utils/InputBufferManager.cpp b/media/codec2/hidl/1.0/utils/InputBufferManager.cpp
index a023a05..8c0d0a4 100644
--- a/media/codec2/hidl/1.0/utils/InputBufferManager.cpp
+++ b/media/codec2/hidl/1.0/utils/InputBufferManager.cpp
@@ -70,7 +70,7 @@
                  << ".";
     std::lock_guard<std::mutex> lock(mMutex);
 
-    std::set<TrackedBuffer> &bufferIds =
+    std::set<TrackedBuffer*> &bufferIds =
             mTrackedBuffersMap[listener][frameIndex];
 
     for (size_t i = 0; i < input.buffers.size(); ++i) {
@@ -79,13 +79,14 @@
                          << "Input buffer at index " << i << " is null.";
             continue;
         }
-        const TrackedBuffer &bufferId =
-                *bufferIds.emplace(listener, frameIndex, i, input.buffers[i]).
-                first;
+        TrackedBuffer *bufferId =
+            new TrackedBuffer(listener, frameIndex, i, input.buffers[i]);
+        mTrackedBufferCache.emplace(bufferId);
+        bufferIds.emplace(bufferId);
 
         c2_status_t status = input.buffers[i]->registerOnDestroyNotify(
                 onBufferDestroyed,
-                const_cast<void*>(reinterpret_cast<const void*>(&bufferId)));
+                reinterpret_cast<void*>(bufferId));
         if (status != C2_OK) {
             LOG(DEBUG) << "InputBufferManager::_registerFrameData -- "
                        << "registerOnDestroyNotify() failed "
@@ -119,31 +120,32 @@
 
     auto findListener = mTrackedBuffersMap.find(listener);
     if (findListener != mTrackedBuffersMap.end()) {
-        std::map<uint64_t, std::set<TrackedBuffer>> &frameIndex2BufferIds
+        std::map<uint64_t, std::set<TrackedBuffer*>> &frameIndex2BufferIds
                 = findListener->second;
         auto findFrameIndex = frameIndex2BufferIds.find(frameIndex);
         if (findFrameIndex != frameIndex2BufferIds.end()) {
-            std::set<TrackedBuffer> &bufferIds = findFrameIndex->second;
-            for (const TrackedBuffer& bufferId : bufferIds) {
-                std::shared_ptr<C2Buffer> buffer = bufferId.buffer.lock();
+            std::set<TrackedBuffer*> &bufferIds = findFrameIndex->second;
+            for (TrackedBuffer* bufferId : bufferIds) {
+                std::shared_ptr<C2Buffer> buffer = bufferId->buffer.lock();
                 if (buffer) {
                     c2_status_t status = buffer->unregisterOnDestroyNotify(
                             onBufferDestroyed,
-                            const_cast<void*>(
-                            reinterpret_cast<const void*>(&bufferId)));
+                            reinterpret_cast<void*>(bufferId));
                     if (status != C2_OK) {
                         LOG(DEBUG) << "InputBufferManager::_unregisterFrameData "
                                    << "-- unregisterOnDestroyNotify() failed "
                                    << "(listener @ 0x"
                                         << std::hex
-                                        << bufferId.listener.unsafe_get()
+                                        << bufferId->listener.unsafe_get()
                                    << ", frameIndex = "
-                                        << std::dec << bufferId.frameIndex
-                                   << ", bufferIndex = " << bufferId.bufferIndex
+                                        << std::dec << bufferId->frameIndex
+                                   << ", bufferIndex = " << bufferId->bufferIndex
                                    << ") => status = " << status
                                    << ".";
                     }
                 }
+                mTrackedBufferCache.erase(bufferId);
+                delete bufferId;
             }
 
             frameIndex2BufferIds.erase(findFrameIndex);
@@ -179,31 +181,32 @@
 
     auto findListener = mTrackedBuffersMap.find(listener);
     if (findListener != mTrackedBuffersMap.end()) {
-        std::map<uint64_t, std::set<TrackedBuffer>> &frameIndex2BufferIds =
+        std::map<uint64_t, std::set<TrackedBuffer*>> &frameIndex2BufferIds =
                 findListener->second;
         for (auto findFrameIndex = frameIndex2BufferIds.begin();
                 findFrameIndex != frameIndex2BufferIds.end();
                 ++findFrameIndex) {
-            std::set<TrackedBuffer> &bufferIds = findFrameIndex->second;
-            for (const TrackedBuffer& bufferId : bufferIds) {
-                std::shared_ptr<C2Buffer> buffer = bufferId.buffer.lock();
+            std::set<TrackedBuffer*> &bufferIds = findFrameIndex->second;
+            for (TrackedBuffer* bufferId : bufferIds) {
+                std::shared_ptr<C2Buffer> buffer = bufferId->buffer.lock();
                 if (buffer) {
                     c2_status_t status = buffer->unregisterOnDestroyNotify(
                             onBufferDestroyed,
-                            const_cast<void*>(
-                            reinterpret_cast<const void*>(&bufferId)));
+                            reinterpret_cast<void*>(bufferId));
                     if (status != C2_OK) {
                         LOG(DEBUG) << "InputBufferManager::_unregisterFrameData "
                                    << "-- unregisterOnDestroyNotify() failed "
                                    << "(listener @ 0x"
                                         << std::hex
-                                        << bufferId.listener.unsafe_get()
+                                        << bufferId->listener.unsafe_get()
                                    << ", frameIndex = "
-                                        << std::dec << bufferId.frameIndex
-                                   << ", bufferIndex = " << bufferId.bufferIndex
+                                        << std::dec << bufferId->frameIndex
+                                   << ", bufferIndex = " << bufferId->bufferIndex
                                    << ") => status = " << status
                                    << ".";
                     }
+                    mTrackedBufferCache.erase(bufferId);
+                    delete bufferId;
                 }
             }
         }
@@ -236,50 +239,59 @@
                      << std::dec << ".";
         return;
     }
-    TrackedBuffer id(*reinterpret_cast<TrackedBuffer*>(arg));
+
+    std::lock_guard<std::mutex> lock(mMutex);
+    TrackedBuffer *bufferId = reinterpret_cast<TrackedBuffer*>(arg);
+
+    if (mTrackedBufferCache.find(bufferId) == mTrackedBufferCache.end()) {
+        LOG(VERBOSE) << "InputBufferManager::_onBufferDestroyed -- called with "
+                     << "unregistered buffer: "
+                     << "buf @ 0x" << std::hex << buf
+                     << ", arg @ 0x" << std::hex << arg
+                     << std::dec << ".";
+        return;
+    }
+
     LOG(VERBOSE) << "InputBufferManager::_onBufferDestroyed -- called with "
                  << "buf @ 0x" << std::hex << buf
                  << ", arg @ 0x" << std::hex << arg
                  << std::dec << " -- "
-                 << "listener @ 0x" << std::hex << id.listener.unsafe_get()
-                 << ", frameIndex = " << std::dec << id.frameIndex
-                 << ", bufferIndex = " << id.bufferIndex
+                 << "listener @ 0x" << std::hex << bufferId->listener.unsafe_get()
+                 << ", frameIndex = " << std::dec << bufferId->frameIndex
+                 << ", bufferIndex = " << bufferId->bufferIndex
                  << ".";
-
-    std::lock_guard<std::mutex> lock(mMutex);
-
-    auto findListener = mTrackedBuffersMap.find(id.listener);
+    auto findListener = mTrackedBuffersMap.find(bufferId->listener);
     if (findListener == mTrackedBuffersMap.end()) {
-        LOG(DEBUG) << "InputBufferManager::_onBufferDestroyed -- "
-                   << "received invalid listener: "
-                   << "listener @ 0x" << std::hex << id.listener.unsafe_get()
-                   << " (frameIndex = " << std::dec << id.frameIndex
-                   << ", bufferIndex = " << id.bufferIndex
-                   << ").";
+        LOG(VERBOSE) << "InputBufferManager::_onBufferDestroyed -- "
+                     << "received invalid listener: "
+                     << "listener @ 0x" << std::hex << bufferId->listener.unsafe_get()
+                     << " (frameIndex = " << std::dec << bufferId->frameIndex
+                     << ", bufferIndex = " << bufferId->bufferIndex
+                     << ").";
         return;
     }
 
-    std::map<uint64_t, std::set<TrackedBuffer>> &frameIndex2BufferIds
+    std::map<uint64_t, std::set<TrackedBuffer*>> &frameIndex2BufferIds
             = findListener->second;
-    auto findFrameIndex = frameIndex2BufferIds.find(id.frameIndex);
+    auto findFrameIndex = frameIndex2BufferIds.find(bufferId->frameIndex);
     if (findFrameIndex == frameIndex2BufferIds.end()) {
         LOG(DEBUG) << "InputBufferManager::_onBufferDestroyed -- "
                    << "received invalid frame index: "
-                   << "frameIndex = " << id.frameIndex
-                   << " (listener @ 0x" << std::hex << id.listener.unsafe_get()
-                   << ", bufferIndex = " << std::dec << id.bufferIndex
+                   << "frameIndex = " << bufferId->frameIndex
+                   << " (listener @ 0x" << std::hex << bufferId->listener.unsafe_get()
+                   << ", bufferIndex = " << std::dec << bufferId->bufferIndex
                    << ").";
         return;
     }
 
-    std::set<TrackedBuffer> &bufferIds = findFrameIndex->second;
-    auto findBufferId = bufferIds.find(id);
+    std::set<TrackedBuffer*> &bufferIds = findFrameIndex->second;
+    auto findBufferId = bufferIds.find(bufferId);
     if (findBufferId == bufferIds.end()) {
         LOG(DEBUG) << "InputBufferManager::_onBufferDestroyed -- "
                    << "received invalid buffer index: "
-                   << "bufferIndex = " << id.bufferIndex
-                   << " (frameIndex = " << id.frameIndex
-                   << ", listener @ 0x" << std::hex << id.listener.unsafe_get()
+                   << "bufferIndex = " << bufferId->bufferIndex
+                   << " (frameIndex = " << bufferId->frameIndex
+                   << ", listener @ 0x" << std::hex << bufferId->listener.unsafe_get()
                    << std::dec << ").";
         return;
     }
@@ -292,10 +304,13 @@
         }
     }
 
-    DeathNotifications &deathNotifications = mDeathNotifications[id.listener];
-    deathNotifications.indices[id.frameIndex].emplace_back(id.bufferIndex);
+    DeathNotifications &deathNotifications = mDeathNotifications[bufferId->listener];
+    deathNotifications.indices[bufferId->frameIndex].emplace_back(bufferId->bufferIndex);
     ++deathNotifications.count;
     mOnBufferDestroyed.notify_one();
+
+    mTrackedBufferCache.erase(bufferId);
+    delete bufferId;
 }
 
 // Notify the clients about buffer destructions.
diff --git a/media/codec2/hidl/1.0/utils/include/codec2/hidl/1.0/InputBufferManager.h b/media/codec2/hidl/1.0/utils/include/codec2/hidl/1.0/InputBufferManager.h
index b6857d5..42fa557 100644
--- a/media/codec2/hidl/1.0/utils/include/codec2/hidl/1.0/InputBufferManager.h
+++ b/media/codec2/hidl/1.0/utils/include/codec2/hidl/1.0/InputBufferManager.h
@@ -196,13 +196,9 @@
                 frameIndex(frameIndex),
                 bufferIndex(bufferIndex),
                 buffer(buffer) {}
-        TrackedBuffer(const TrackedBuffer&) = default;
-        bool operator<(const TrackedBuffer& other) const {
-            return bufferIndex < other.bufferIndex;
-        }
     };
 
-    // Map: listener -> frameIndex -> set<TrackedBuffer>.
+    // Map: listener -> frameIndex -> set<TrackedBuffer*>.
     // Essentially, this is used to store triples (listener, frameIndex,
     // bufferIndex) that's searchable by listener and (listener, frameIndex).
     // However, the value of the innermost map is TrackedBuffer, which also
@@ -210,7 +206,7 @@
     // because onBufferDestroyed() needs to know listener and frameIndex too.
     typedef std::map<wp<IComponentListener>,
                      std::map<uint64_t,
-                              std::set<TrackedBuffer>>> TrackedBuffersMap;
+                              std::set<TrackedBuffer*>>> TrackedBuffersMap;
 
     // Storage for pending (unsent) death notifications for one listener.
     // Each pair in member named "indices" are (frameIndex, bufferIndex) from
@@ -247,6 +243,16 @@
     // Mutex for the management of all input buffers.
     std::mutex mMutex;
 
+    // Cache for all TrackedBuffers.
+    //
+    // Whenever registerOnDestroyNotify() is called, an argument of type
+    // TrackedBuffer is created and stored into this cache.
+    // Whenever unregisterOnDestroyNotify() or onBufferDestroyed() is called,
+    // the TrackedBuffer is removed from this cache.
+    //
+    // mTrackedBuffersMap stores references to TrackedBuffers inside this cache.
+    std::set<TrackedBuffer*> mTrackedBufferCache;
+
     // Tracked input buffers.
     TrackedBuffersMap mTrackedBuffersMap;
 
diff --git a/media/codec2/hidl/1.0/utils/types.cpp b/media/codec2/hidl/1.0/utils/types.cpp
index 07dbf67..04fa59c 100644
--- a/media/codec2/hidl/1.0/utils/types.cpp
+++ b/media/codec2/hidl/1.0/utils/types.cpp
@@ -1434,6 +1434,11 @@
                 d->type = C2BaseBlock::GRAPHIC;
                 return true;
             }
+            if (cHandle) {
+                // Though we got cloned handle, creating block failed.
+                native_handle_close(cHandle);
+                native_handle_delete(cHandle);
+            }
 
             LOG(ERROR) << "Unknown handle type in BaseBlock::pooledBlock.";
             return false;
diff --git a/media/codec2/hidl/client/Android.bp b/media/codec2/hidl/client/Android.bp
index 6038a40..e184223 100644
--- a/media/codec2/hidl/client/Android.bp
+++ b/media/codec2/hidl/client/Android.bp
@@ -19,7 +19,7 @@
         "libhidlbase",
         "libhidltransport",
         "liblog",
-        "libstagefright_bufferpool@2.0",
+        "libstagefright_bufferpool@2.0.1",
         "libui",
         "libutils",
     ],
diff --git a/media/codec2/hidl/client/client.cpp b/media/codec2/hidl/client/client.cpp
index 5ed54f1..c747190 100644
--- a/media/codec2/hidl/client/client.cpp
+++ b/media/codec2/hidl/client/client.cpp
@@ -125,6 +125,9 @@
         if (!mClient) {
             mClient = Codec2Client::_CreateFromIndex(mIndex);
         }
+        CHECK(mClient) << "Failed to create Codec2Client to service \""
+                       << GetServiceNames()[mIndex] << "\". (Index = "
+                       << mIndex << ").";
         return mClient;
     }
 
@@ -832,6 +835,7 @@
 
 c2_status_t Codec2Client::ForAllServices(
         const std::string &key,
+        size_t numberOfAttempts,
         std::function<c2_status_t(const std::shared_ptr<Codec2Client>&)>
             predicate) {
     c2_status_t status = C2_NO_INIT;  // no IComponentStores present
@@ -860,33 +864,45 @@
 
     for (size_t index : indices) {
         Cache& cache = Cache::List()[index];
-        std::shared_ptr<Codec2Client> client{cache.getClient()};
-        if (client) {
+        for (size_t tries = numberOfAttempts; tries > 0; --tries) {
+            std::shared_ptr<Codec2Client> client{cache.getClient()};
             status = predicate(client);
             if (status == C2_OK) {
                 std::scoped_lock lock{key2IndexMutex};
                 key2Index[key] = index; // update last known client index
                 return C2_OK;
+            } else if (status == C2_TRANSACTION_FAILED) {
+                LOG(WARNING) << "\"" << key << "\" failed for service \""
+                             << client->getName()
+                             << "\" due to transaction failure. "
+                             << "(Service may have crashed.)"
+                             << (tries > 1 ? " Retrying..." : "");
+                cache.invalidate();
+                continue;
             }
-        }
-        if (wasMapped) {
-            LOG(INFO) << "Could not find \"" << key << "\""
-                         " in the last instance. Retrying...";
-            wasMapped = false;
-            cache.invalidate();
+            if (wasMapped) {
+                LOG(INFO) << "\"" << key << "\" became invalid in service \""
+                          << client->getName() << "\". Retrying...";
+                wasMapped = false;
+            }
+            break;
         }
     }
-    return status;  // return the last status from a valid client
+    return status; // return the last status from a valid client
 }
 
 std::shared_ptr<Codec2Client::Component>
         Codec2Client::CreateComponentByName(
         const char* componentName,
         const std::shared_ptr<Listener>& listener,
-        std::shared_ptr<Codec2Client>* owner) {
+        std::shared_ptr<Codec2Client>* owner,
+        size_t numberOfAttempts) {
+    std::string key{"create:"};
+    key.append(componentName);
     std::shared_ptr<Component> component;
     c2_status_t status = ForAllServices(
-            componentName,
+            key,
+            numberOfAttempts,
             [owner, &component, componentName, &listener](
                     const std::shared_ptr<Codec2Client> &client)
                         -> c2_status_t {
@@ -907,8 +923,9 @@
                 return status;
             });
     if (status != C2_OK) {
-        LOG(DEBUG) << "Could not create component \"" << componentName << "\". "
-                      "Status = " << status << ".";
+        LOG(DEBUG) << "Failed to create component \"" << componentName
+                   << "\" from all known services. "
+                      "Last returned status = " << status << ".";
     }
     return component;
 }
@@ -916,10 +933,14 @@
 std::shared_ptr<Codec2Client::Interface>
         Codec2Client::CreateInterfaceByName(
         const char* interfaceName,
-        std::shared_ptr<Codec2Client>* owner) {
+        std::shared_ptr<Codec2Client>* owner,
+        size_t numberOfAttempts) {
+    std::string key{"create:"};
+    key.append(interfaceName);
     std::shared_ptr<Interface> interface;
     c2_status_t status = ForAllServices(
-            interfaceName,
+            key,
+            numberOfAttempts,
             [owner, &interface, interfaceName](
                     const std::shared_ptr<Codec2Client> &client)
                         -> c2_status_t {
@@ -939,8 +960,9 @@
                 return status;
             });
     if (status != C2_OK) {
-        LOG(DEBUG) << "Could not create interface \"" << interfaceName << "\". "
-                      "Status = " << status << ".";
+        LOG(DEBUG) << "Failed to create interface \"" << interfaceName
+                   << "\" from all known services. "
+                      "Last returned status = " << status << ".";
     }
     return interface;
 }
diff --git a/media/codec2/hidl/client/include/codec2/hidl/client.h b/media/codec2/hidl/client/include/codec2/hidl/client.h
index b8a7fb5..c37407f 100644
--- a/media/codec2/hidl/client/include/codec2/hidl/client.h
+++ b/media/codec2/hidl/client/include/codec2/hidl/client.h
@@ -179,17 +179,21 @@
     static std::vector<std::shared_ptr<Codec2Client>> CreateFromAllServices();
 
     // Try to create a component with a given name from all known
-    // IComponentStore services.
+    // IComponentStore services. numberOfAttempts determines the number of times
+    // to retry the HIDL call if the transaction fails.
     static std::shared_ptr<Component> CreateComponentByName(
             char const* componentName,
             std::shared_ptr<Listener> const& listener,
-            std::shared_ptr<Codec2Client>* owner = nullptr);
+            std::shared_ptr<Codec2Client>* owner = nullptr,
+            size_t numberOfAttempts = 10);
 
     // Try to create a component interface with a given name from all known
-    // IComponentStore services.
+    // IComponentStore services. numberOfAttempts determines the number of times
+    // to retry the HIDL call if the transaction fails.
     static std::shared_ptr<Interface> CreateInterfaceByName(
             char const* interfaceName,
-            std::shared_ptr<Codec2Client>* owner = nullptr);
+            std::shared_ptr<Codec2Client>* owner = nullptr,
+            size_t numberOfAttempts = 10);
 
     // List traits from all known IComponentStore services.
     static std::vector<C2Component::Traits> const& ListComponents();
@@ -204,11 +208,25 @@
 protected:
     sp<Base> mBase;
 
-    // Finds the first store where the predicate returns OK, and returns the last
-    // predicate result. Uses key to remember the last store found, and if cached,
-    // it tries that store before trying all stores (one retry).
+    // Finds the first store where the predicate returns C2_OK and returns the
+    // last predicate result. The predicate will be tried on all stores. The
+    // function will return C2_OK the first time the predicate returns C2_OK,
+    // or it will return the value from the last time that predicate is tried.
+    // (The latter case corresponds to a failure on every store.) The order of
+    // the stores to try is the same as the return value of GetServiceNames().
+    //
+    // key is used to remember the last store with which the predicate last
+    // succeeded. If the last successful store is cached, it will be tried
+    // first before all the stores are tried. Note that the last successful
+    // store will be tried twice---first before all the stores, and another time
+    // with all the stores.
+    //
+    // If an attempt to evaluate the predicate results in a transaction failure,
+    // repeated attempts will be made until the predicate returns without a
+    // transaction failure or numberOfAttempts attempts have been made.
     static c2_status_t ForAllServices(
             const std::string& key,
+            size_t numberOfAttempts,
             std::function<c2_status_t(std::shared_ptr<Codec2Client> const&)>
                 predicate);
 
diff --git a/media/codec2/sfplugin/C2OMXNode.cpp b/media/codec2/sfplugin/C2OMXNode.cpp
index 78d221e..c7588e9 100644
--- a/media/codec2/sfplugin/C2OMXNode.cpp
+++ b/media/codec2/sfplugin/C2OMXNode.cpp
@@ -62,7 +62,7 @@
             android::base::unique_fd &&fd0,
             android::base::unique_fd &&fd1) {
         Mutexed<Jobs>::Locked jobs(mJobs);
-        auto it = jobs->queues.try_emplace(comp, comp, systemTime()).first;
+        auto it = jobs->queues.try_emplace(comp, comp).first;
         it->second.workList.emplace_back(
                 std::move(work), fenceFd, std::move(fd0), std::move(fd1));
         jobs->cond.broadcast();
@@ -79,7 +79,8 @@
             for (auto it = jobs->queues.begin(); it != jobs->queues.end(); ) {
                 Queue &queue = it->second;
                 if (queue.workList.empty()
-                        || nowNs - queue.lastQueuedTimestampNs < kIntervalNs) {
+                        || (queue.lastQueuedTimestampNs != 0 &&
+                            nowNs - queue.lastQueuedTimestampNs < kIntervalNs)) {
                     ++it;
                     continue;
                 }
@@ -104,6 +105,7 @@
                     sp<Fence> fence(new Fence(fenceFd));
                     fence->waitForever(LOG_TAG);
                 }
+                queue.lastQueuedTimestampNs = nowNs;
                 comp->queue(&items);
                 for (android::base::unique_fd &ufd : uniqueFds) {
                     (void)ufd.release();
@@ -143,8 +145,8 @@
         android::base::unique_fd fd1;
     };
     struct Queue {
-        Queue(const std::shared_ptr<Codec2Client::Component> &comp, nsecs_t timestamp)
-            : component(comp), lastQueuedTimestampNs(timestamp) {}
+        Queue(const std::shared_ptr<Codec2Client::Component> &comp)
+            : component(comp), lastQueuedTimestampNs(0) {}
         Queue(const Queue &) = delete;
         Queue &operator =(const Queue &) = delete;
 
diff --git a/media/codec2/sfplugin/CCodec.cpp b/media/codec2/sfplugin/CCodec.cpp
index 9d1cc60..78ddd6d 100644
--- a/media/codec2/sfplugin/CCodec.cpp
+++ b/media/codec2/sfplugin/CCodec.cpp
@@ -375,7 +375,11 @@
 
         // consumer usage is queried earlier.
 
-        ALOGD("ISConfig%s", status.str().c_str());
+        if (status.str().empty()) {
+            ALOGD("ISConfig not changed");
+        } else {
+            ALOGD("ISConfig%s", status.str().c_str());
+        }
         return err;
     }
 
@@ -810,9 +814,17 @@
             }
 
             {
-                double value;
-                if (msg->findDouble("time-lapse-fps", &value)) {
-                    config->mISConfig->mCaptureFps = value;
+                bool captureFpsFound = false;
+                double timeLapseFps;
+                float captureRate;
+                if (msg->findDouble("time-lapse-fps", &timeLapseFps)) {
+                    config->mISConfig->mCaptureFps = timeLapseFps;
+                    captureFpsFound = true;
+                } else if (msg->findAsFloat(KEY_CAPTURE_RATE, &captureRate)) {
+                    config->mISConfig->mCaptureFps = captureRate;
+                    captureFpsFound = true;
+                }
+                if (captureFpsFound) {
                     (void)msg->findAsFloat(KEY_FRAME_RATE, &config->mISConfig->mCodedFps);
                 }
             }
@@ -1274,7 +1286,8 @@
     {
         Mutexed<Config>::Locked config(mConfig);
         inputFormat = config->mInputFormat;
-        outputFormat = config->mOutputFormat;
+        // start triggers format dup
+        outputFormat = config->mOutputFormat = config->mOutputFormat->dup();
         if (config->mInputSurface) {
             err2 = config->mInputSurface->start();
         }
@@ -1283,6 +1296,8 @@
         mCallback->onError(err2, ACTION_CODE_FATAL);
         return;
     }
+    // We're not starting after flush.
+    (void)mSentConfigAfterResume.test_and_set();
     err2 = mChannel->start(inputFormat, outputFormat);
     if (err2 != OK) {
         mCallback->onError(err2, ACTION_CODE_FATAL);
@@ -1511,18 +1526,26 @@
 }
 
 void CCodec::signalResume() {
-    auto setResuming = [this] {
+    std::shared_ptr<Codec2Client::Component> comp;
+    auto setResuming = [this, &comp] {
         Mutexed<State>::Locked state(mState);
         if (state->get() != FLUSHED) {
             return UNKNOWN_ERROR;
         }
         state->set(RESUMING);
+        comp = state->comp;
         return OK;
     };
     if (tryAndReportOnError(setResuming) != OK) {
         return;
     }
 
+    mSentConfigAfterResume.clear();
+    {
+        Mutexed<Config>::Locked config(mConfig);
+        config->queryConfiguration(comp);
+    }
+
     (void)mChannel->start(nullptr, nullptr);
 
     {
@@ -1718,7 +1741,7 @@
 
             // handle configuration changes in work done
             Mutexed<Config>::Locked config(mConfig);
-            bool changed = false;
+            bool changed = !mSentConfigAfterResume.test_and_set();
             Config::Watcher<C2StreamInitDataInfo::output> initData =
                 config->watch<C2StreamInitDataInfo::output>();
             if (!work->worklets.empty()
@@ -1750,7 +1773,9 @@
                     ++stream;
                 }
 
-                changed = config->updateConfiguration(updates, config->mOutputDomain);
+                if (config->updateConfiguration(updates, config->mOutputDomain)) {
+                    changed = true;
+                }
 
                 // copy standard infos to graphic buffers if not already present (otherwise, we
                 // may overwrite the actual intermediate value with a final value)
diff --git a/media/codec2/sfplugin/CCodec.h b/media/codec2/sfplugin/CCodec.h
index b0b3c4f..a580d1d 100644
--- a/media/codec2/sfplugin/CCodec.h
+++ b/media/codec2/sfplugin/CCodec.h
@@ -17,6 +17,7 @@
 #ifndef C_CODEC_H_
 #define C_CODEC_H_
 
+#include <atomic>
 #include <chrono>
 #include <list>
 #include <memory>
@@ -175,6 +176,7 @@
     typedef CCodecConfig Config;
     Mutexed<Config> mConfig;
     Mutexed<std::list<std::unique_ptr<C2Work>>> mWorkDoneQueue;
+    std::atomic_flag mSentConfigAfterResume;
 
     friend class CCodecCallbackImpl;
 
diff --git a/media/codec2/sfplugin/CCodecBufferChannel.cpp b/media/codec2/sfplugin/CCodecBufferChannel.cpp
index 8308292..4ee6c1c 100644
--- a/media/codec2/sfplugin/CCodecBufferChannel.cpp
+++ b/media/codec2/sfplugin/CCodecBufferChannel.cpp
@@ -948,7 +948,11 @@
         uint32_t outputGeneration;
         {
             Mutexed<OutputSurface>::Locked output(mOutputSurface);
-            output->maxDequeueBuffers = numOutputSlots + reorderDepth.value + kRenderingDepth;
+            output->maxDequeueBuffers = numOutputSlots +
+                    reorderDepth.value + kRenderingDepth;
+            if (!secure) {
+                output->maxDequeueBuffers += numInputSlots;
+            }
             outputSurface = output->surface ?
                     output->surface->getIGraphicBufferProducer() : nullptr;
             if (outputSurface) {
@@ -1068,7 +1072,7 @@
         } else {
             output->buffers.reset(new LinearOutputBuffers(mName));
         }
-        output->buffers->setFormat(outputFormat->dup());
+        output->buffers->setFormat(outputFormat);
 
 
         // Try to set output surface to created block pool if given.
@@ -1272,6 +1276,24 @@
         std::unique_ptr<C2Work> work,
         const sp<AMessage> &outputFormat,
         const C2StreamInitDataInfo::output *initData) {
+    if (outputFormat != nullptr) {
+        Mutexed<Output>::Locked output(mOutput);
+        ALOGD("[%s] onWorkDone: output format changed to %s",
+                mName, outputFormat->debugString().c_str());
+        output->buffers->setFormat(outputFormat);
+
+        AString mediaType;
+        if (outputFormat->findString(KEY_MIME, &mediaType)
+                && mediaType == MIMETYPE_AUDIO_RAW) {
+            int32_t channelCount;
+            int32_t sampleRate;
+            if (outputFormat->findInt32(KEY_CHANNEL_COUNT, &channelCount)
+                    && outputFormat->findInt32(KEY_SAMPLE_RATE, &sampleRate)) {
+                output->buffers->updateSkipCutBuffer(sampleRate, channelCount);
+            }
+        }
+    }
+
     if ((work->input.ordinal.frameIndex - mFirstValidFrameIndex.load()).peek() < 0) {
         // Discard frames from previous generation.
         ALOGD("[%s] Discard frames from previous generation.", mName);
@@ -1328,13 +1350,18 @@
             case C2PortReorderBufferDepthTuning::CORE_INDEX: {
                 C2PortReorderBufferDepthTuning::output reorderDepth;
                 if (reorderDepth.updateFrom(*param)) {
+                    bool secure = mComponent->getName().find(".secure") != std::string::npos;
                     mReorderStash.lock()->setDepth(reorderDepth.value);
                     ALOGV("[%s] onWorkDone: updated reorder depth to %u",
                           mName, reorderDepth.value);
                     size_t numOutputSlots = mOutput.lock()->numSlots;
+                    size_t numInputSlots = mInput.lock()->numSlots;
                     Mutexed<OutputSurface>::Locked output(mOutputSurface);
-                    output->maxDequeueBuffers =
-                        numOutputSlots + reorderDepth.value + kRenderingDepth;
+                    output->maxDequeueBuffers = numOutputSlots +
+                            reorderDepth.value + kRenderingDepth;
+                    if (!secure) {
+                        output->maxDequeueBuffers += numInputSlots;
+                    }
                     if (output->surface) {
                         output->surface->setMaxDequeuedBufferCount(output->maxDequeueBuffers);
                     }
@@ -1378,10 +1405,12 @@
                     if (outputDelay.updateFrom(*param)) {
                         ALOGV("[%s] onWorkDone: updating output delay %u",
                               mName, outputDelay.value);
+                        bool secure = mComponent->getName().find(".secure") != std::string::npos;
                         (void)mPipelineWatcher.lock()->outputDelay(outputDelay.value);
 
                         bool outputBuffersChanged = false;
                         size_t numOutputSlots = 0;
+                        size_t numInputSlots = mInput.lock()->numSlots;
                         {
                             Mutexed<Output>::Locked output(mOutput);
                             output->outputDelay = outputDelay.value;
@@ -1407,6 +1436,9 @@
                         uint32_t depth = mReorderStash.lock()->depth();
                         Mutexed<OutputSurface>::Locked output(mOutputSurface);
                         output->maxDequeueBuffers = numOutputSlots + depth + kRenderingDepth;
+                        if (!secure) {
+                            output->maxDequeueBuffers += numInputSlots;
+                        }
                         if (output->surface) {
                             output->surface->setMaxDequeuedBufferCount(output->maxDequeueBuffers);
                         }
@@ -1439,24 +1471,6 @@
         }
     }
 
-    if (outputFormat != nullptr) {
-        Mutexed<Output>::Locked output(mOutput);
-        ALOGD("[%s] onWorkDone: output format changed to %s",
-                mName, outputFormat->debugString().c_str());
-        output->buffers->setFormat(outputFormat);
-
-        AString mediaType;
-        if (outputFormat->findString(KEY_MIME, &mediaType)
-                && mediaType == MIMETYPE_AUDIO_RAW) {
-            int32_t channelCount;
-            int32_t sampleRate;
-            if (outputFormat->findInt32(KEY_CHANNEL_COUNT, &channelCount)
-                    && outputFormat->findInt32(KEY_SAMPLE_RATE, &sampleRate)) {
-                output->buffers->updateSkipCutBuffer(sampleRate, channelCount);
-            }
-        }
-    }
-
     int32_t flags = 0;
     if (worklet->output.flags & C2FrameData::FLAG_END_OF_STREAM) {
         flags |= MediaCodec::BUFFER_FLAG_EOS;
diff --git a/media/codec2/sfplugin/CCodecBuffers.cpp b/media/codec2/sfplugin/CCodecBuffers.cpp
index 26c702d..ed8b832 100644
--- a/media/codec2/sfplugin/CCodecBuffers.cpp
+++ b/media/codec2/sfplugin/CCodecBuffers.cpp
@@ -878,9 +878,10 @@
     switch (c2buffer->data().type()) {
         case C2BufferData::LINEAR: {
             uint32_t size = kLinearBufferSize;
-            const C2ConstLinearBlock &block = c2buffer->data().linearBlocks().front();
-            if (block.size() < kMaxLinearBufferSize / 2) {
-                size = block.size() * 2;
+            const std::vector<C2ConstLinearBlock> &linear_blocks = c2buffer->data().linearBlocks();
+            const uint32_t block_size = linear_blocks.front().size();
+            if (block_size < kMaxLinearBufferSize / 2) {
+                size = block_size * 2;
             } else {
                 size = kMaxLinearBufferSize;
             }
diff --git a/media/codec2/sfplugin/CCodecConfig.cpp b/media/codec2/sfplugin/CCodecConfig.cpp
index 1cfdc19..5adcd94 100644
--- a/media/codec2/sfplugin/CCodecConfig.cpp
+++ b/media/codec2/sfplugin/CCodecConfig.cpp
@@ -235,7 +235,10 @@
     const std::vector<ConfigMapper> &getConfigMappersForSdkKey(std::string key) const {
         auto it = mConfigMappers.find(key);
         if (it == mConfigMappers.end()) {
-            ALOGD("no c2 equivalents for %s", key.c_str());
+            if (mComplained.count(key) == 0) {
+                ALOGD("no c2 equivalents for %s", key.c_str());
+                mComplained.insert(key);
+            }
             return NO_MAPPERS;
         }
         ALOGV("found %zu eqs for %s", it->second.size(), key.c_str());
@@ -304,6 +307,7 @@
 
 private:
     std::map<SdkKey, std::vector<ConfigMapper>> mConfigMappers;
+    mutable std::set<std::string> mComplained;
 };
 
 const std::vector<ConfigMapper> StandardParams::NO_MAPPERS;
@@ -508,7 +512,8 @@
                .limitTo(D::ENCODER & D::VIDEO));
     // convert to timestamp base
     add(ConfigMapper(KEY_I_FRAME_INTERVAL, C2_PARAMKEY_SYNC_FRAME_INTERVAL, "value")
-        .withMappers([](C2Value v) -> C2Value {
+        .limitTo(D::VIDEO & D::ENCODER & D::CONFIG)
+        .withMapper([](C2Value v) -> C2Value {
             // convert from i32 to float
             int32_t i32Value;
             float fpValue;
@@ -518,12 +523,6 @@
                 return int64_t(c2_min(1000000 * fpValue + 0.5, (double)INT64_MAX));
             }
             return C2Value();
-        }, [](C2Value v) -> C2Value {
-            int64_t i64;
-            if (v.get(&i64)) {
-                return float(i64) / 1000000;
-            }
-            return C2Value();
         }));
     // remove when codecs switch to proper coding.gop (add support for calculating gop)
     deprecated(ConfigMapper("i-frame-period", "coding.gop", "intra-period")
@@ -1033,7 +1032,25 @@
     }
 
     ReflectedParamUpdater::Dict reflected = mParamUpdater->getParams(paramPointers);
-    ALOGD("c2 config is %s", reflected.debugString().c_str());
+    std::string config = reflected.debugString();
+    std::set<std::string> configLines;
+    std::string diff;
+    for (size_t start = 0; start != std::string::npos; ) {
+        size_t end = config.find('\n', start);
+        size_t count = (end == std::string::npos)
+                ? std::string::npos
+                : end - start + 1;
+        std::string line = config.substr(start, count);
+        configLines.insert(line);
+        if (mLastConfig.count(line) == 0) {
+            diff.append(line);
+        }
+        start = (end == std::string::npos) ? std::string::npos : end + 1;
+    }
+    if (!diff.empty()) {
+        ALOGD("c2 config diff is %s", diff.c_str());
+    }
+    mLastConfig.swap(configLines);
 
     bool changed = false;
     if (domain & mInputDomain) {
diff --git a/media/codec2/sfplugin/CCodecConfig.h b/media/codec2/sfplugin/CCodecConfig.h
index 3bafe3f..a61c8b7 100644
--- a/media/codec2/sfplugin/CCodecConfig.h
+++ b/media/codec2/sfplugin/CCodecConfig.h
@@ -134,6 +134,8 @@
     /// For now support a validation function.
     std::map<C2Param::Index, LocalParamValidator> mLocalParams;
 
+    std::set<std::string> mLastConfig;
+
     CCodecConfig();
 
     /// initializes the members required to manage the format: descriptors, reflector,
diff --git a/media/codec2/sfplugin/PipelineWatcher.cpp b/media/codec2/sfplugin/PipelineWatcher.cpp
index 74d14e8..0ee9056 100644
--- a/media/codec2/sfplugin/PipelineWatcher.cpp
+++ b/media/codec2/sfplugin/PipelineWatcher.cpp
@@ -146,7 +146,7 @@
               std::chrono::duration_cast<std::chrono::milliseconds>(elapsed).count());
         durations.push_back(elapsed);
     }
-    std::nth_element(durations.begin(), durations.end(), durations.begin() + n,
+    std::nth_element(durations.begin(), durations.begin() + n, durations.end(),
                      std::greater<Clock::duration>());
     return durations[n];
 }
diff --git a/media/codec2/vndk/Android.bp b/media/codec2/vndk/Android.bp
index b6ddfab..52cc7ad 100644
--- a/media/codec2/vndk/Android.bp
+++ b/media/codec2/vndk/Android.bp
@@ -66,7 +66,7 @@
         "liblog",
         "libnativewindow",
         "libstagefright_foundation",
-        "libstagefright_bufferpool@2.0",
+        "libstagefright_bufferpool@2.0.1",
         "libui",
         "libutils",
     ],
diff --git a/media/codec2/vndk/C2Buffer.cpp b/media/codec2/vndk/C2Buffer.cpp
index 710b536..2d99b53 100644
--- a/media/codec2/vndk/C2Buffer.cpp
+++ b/media/codec2/vndk/C2Buffer.cpp
@@ -413,17 +413,14 @@
 
     std::shared_ptr<C2LinearAllocation> alloc;
     if (C2AllocatorIon::isValid(cHandle)) {
-        native_handle_t *handle = native_handle_clone(cHandle);
-        if (handle) {
-            c2_status_t err = sAllocator->priorLinearAllocation(handle, &alloc);
-            const std::shared_ptr<C2PooledBlockPoolData> poolData =
-                    std::make_shared<C2PooledBlockPoolData>(data);
-            if (err == C2_OK && poolData) {
-                // TODO: config params?
-                std::shared_ptr<C2LinearBlock> block =
-                        _C2BlockFactory::CreateLinearBlock(alloc, poolData);
-                return block;
-            }
+        c2_status_t err = sAllocator->priorLinearAllocation(cHandle, &alloc);
+        const std::shared_ptr<C2PooledBlockPoolData> poolData =
+                std::make_shared<C2PooledBlockPoolData>(data);
+        if (err == C2_OK && poolData) {
+            // TODO: config params?
+            std::shared_ptr<C2LinearBlock> block =
+                    _C2BlockFactory::CreateLinearBlock(alloc, poolData);
+            return block;
         }
     }
     return nullptr;
@@ -674,17 +671,14 @@
         ResultStatus status = mBufferPoolManager->allocate(
                 mConnectionId, params, &cHandle, &bufferPoolData);
         if (status == ResultStatus::OK) {
-            native_handle_t *handle = native_handle_clone(cHandle);
-            if (handle) {
-                std::shared_ptr<C2LinearAllocation> alloc;
-                std::shared_ptr<C2PooledBlockPoolData> poolData =
-                        std::make_shared<C2PooledBlockPoolData>(bufferPoolData);
-                c2_status_t err = mAllocator->priorLinearAllocation(handle, &alloc);
-                if (err == C2_OK && poolData && alloc) {
-                    *block = _C2BlockFactory::CreateLinearBlock(alloc, poolData, 0, capacity);
-                    if (*block) {
-                        return C2_OK;
-                    }
+            std::shared_ptr<C2LinearAllocation> alloc;
+            std::shared_ptr<C2PooledBlockPoolData> poolData =
+                    std::make_shared<C2PooledBlockPoolData>(bufferPoolData);
+            c2_status_t err = mAllocator->priorLinearAllocation(cHandle, &alloc);
+            if (err == C2_OK && poolData && alloc) {
+                *block = _C2BlockFactory::CreateLinearBlock(alloc, poolData, 0, capacity);
+                if (*block) {
+                    return C2_OK;
                 }
             }
             return C2_NO_MEMORY;
@@ -710,19 +704,16 @@
         ResultStatus status = mBufferPoolManager->allocate(
                 mConnectionId, params, &cHandle, &bufferPoolData);
         if (status == ResultStatus::OK) {
-            native_handle_t *handle = native_handle_clone(cHandle);
-            if (handle) {
-                std::shared_ptr<C2GraphicAllocation> alloc;
-                std::shared_ptr<C2PooledBlockPoolData> poolData =
-                    std::make_shared<C2PooledBlockPoolData>(bufferPoolData);
-                c2_status_t err = mAllocator->priorGraphicAllocation(
-                        handle, &alloc);
-                if (err == C2_OK && poolData && alloc) {
-                    *block = _C2BlockFactory::CreateGraphicBlock(
-                            alloc, poolData, C2Rect(width, height));
-                    if (*block) {
-                        return C2_OK;
-                    }
+            std::shared_ptr<C2GraphicAllocation> alloc;
+            std::shared_ptr<C2PooledBlockPoolData> poolData =
+                std::make_shared<C2PooledBlockPoolData>(bufferPoolData);
+            c2_status_t err = mAllocator->priorGraphicAllocation(
+                    cHandle, &alloc);
+            if (err == C2_OK && poolData && alloc) {
+                *block = _C2BlockFactory::CreateGraphicBlock(
+                        alloc, poolData, C2Rect(width, height));
+                if (*block) {
+                    return C2_OK;
                 }
             }
             return C2_NO_MEMORY;
@@ -1117,17 +1108,14 @@
 
     std::shared_ptr<C2GraphicAllocation> alloc;
     if (C2AllocatorGralloc::isValid(cHandle)) {
-        native_handle_t *handle = native_handle_clone(cHandle);
-        if (handle) {
-            c2_status_t err = sAllocator->priorGraphicAllocation(handle, &alloc);
-            const std::shared_ptr<C2PooledBlockPoolData> poolData =
-                    std::make_shared<C2PooledBlockPoolData>(data);
-            if (err == C2_OK && poolData) {
-                // TODO: config setup?
-                std::shared_ptr<C2GraphicBlock> block =
-                        _C2BlockFactory::CreateGraphicBlock(alloc, poolData);
-                return block;
-            }
+        c2_status_t err = sAllocator->priorGraphicAllocation(cHandle, &alloc);
+        const std::shared_ptr<C2PooledBlockPoolData> poolData =
+                std::make_shared<C2PooledBlockPoolData>(data);
+        if (err == C2_OK && poolData) {
+            // TODO: config setup?
+            std::shared_ptr<C2GraphicBlock> block =
+                    _C2BlockFactory::CreateGraphicBlock(alloc, poolData);
+            return block;
         }
     }
     return nullptr;
diff --git a/media/codec2/vndk/C2Store.cpp b/media/codec2/vndk/C2Store.cpp
index f8afa7c..5b2bd7b 100644
--- a/media/codec2/vndk/C2Store.cpp
+++ b/media/codec2/vndk/C2Store.cpp
@@ -848,7 +848,8 @@
     emplace("libcodec2_soft_amrnbenc.so");
     emplace("libcodec2_soft_amrwbdec.so");
     emplace("libcodec2_soft_amrwbenc.so");
-    emplace("libcodec2_soft_av1dec.so");
+    //emplace("libcodec2_soft_av1dec_aom.so"); // deprecated for the gav1 implementation
+    emplace("libcodec2_soft_av1dec_gav1.so");
     emplace("libcodec2_soft_avcdec.so");
     emplace("libcodec2_soft_avcenc.so");
     emplace("libcodec2_soft_flacdec.so");
diff --git a/media/extractors/midi/Android.bp b/media/extractors/midi/Android.bp
index 7d42e70..91ce78e 100644
--- a/media/extractors/midi/Android.bp
+++ b/media/extractors/midi/Android.bp
@@ -14,7 +14,9 @@
     static_libs: [
         "libmedia_midiiowrapper",
         "libsonivox",
-        "libstagefright_foundation"
+        "libstagefright_foundation",
+        "libwatchdog",
+        "libbase",
     ],
     name: "libmidiextractor",
     relative_install_path: "extractors",
@@ -35,5 +37,4 @@
             "signed-integer-overflow",
         ],
     },
-
 }
diff --git a/media/extractors/midi/MidiExtractor.cpp b/media/extractors/midi/MidiExtractor.cpp
index 9f4f9e6..d0efb2f 100644
--- a/media/extractors/midi/MidiExtractor.cpp
+++ b/media/extractors/midi/MidiExtractor.cpp
@@ -26,6 +26,7 @@
 #include <media/stagefright/MediaDefs.h>
 #include <media/stagefright/MediaErrors.h>
 #include <libsonivox/eas_reverb.h>
+#include <watchdog/Watchdog.h>
 
 namespace android {
 
@@ -116,6 +117,7 @@
         MediaBufferHelper **outBuffer, const ReadOptions *options)
 {
     ALOGV("MidiSource::read");
+
     MediaBufferHelper *buffer;
     // process an optional seek request
     int64_t seekTimeUs;
@@ -139,6 +141,8 @@
 }
 
 // MidiEngine
+using namespace std::chrono_literals;
+static constexpr auto kTimeout = 10s;
 
 MidiEngine::MidiEngine(CDataSource *dataSource,
         AMediaFormat *fileMetadata,
@@ -147,6 +151,8 @@
             mEasHandle(NULL),
             mEasConfig(NULL),
             mIsInitialized(false) {
+    Watchdog watchdog(kTimeout);
+
     mIoWrapper = new MidiIoWrapper(dataSource);
     // spin up a new EAS engine
     EAS_I32 temp;
@@ -186,6 +192,8 @@
 }
 
 MidiEngine::~MidiEngine() {
+    Watchdog watchdog(kTimeout);
+
     if (mEasHandle) {
         EAS_CloseFile(mEasData, mEasHandle);
     }
@@ -217,12 +225,16 @@
 }
 
 status_t MidiEngine::seekTo(int64_t positionUs) {
+    Watchdog watchdog(kTimeout);
+
     ALOGV("seekTo %lld", (long long)positionUs);
     EAS_RESULT result = EAS_Locate(mEasData, mEasHandle, positionUs / 1000, false);
     return result == EAS_SUCCESS ? OK : UNKNOWN_ERROR;
 }
 
 MediaBufferHelper* MidiEngine::readBuffer() {
+    Watchdog watchdog(kTimeout);
+
     EAS_STATE state;
     EAS_State(mEasData, mEasHandle, &state);
     if ((state == EAS_STATE_STOPPED) || (state == EAS_STATE_ERROR)) {
diff --git a/media/extractors/mp4/MPEG4Extractor.cpp b/media/extractors/mp4/MPEG4Extractor.cpp
index 9d5890c..485c0cc 100755
--- a/media/extractors/mp4/MPEG4Extractor.cpp
+++ b/media/extractors/mp4/MPEG4Extractor.cpp
@@ -1060,6 +1060,8 @@
                     // drop it now to reduce our footprint
                     free(mLastTrack->mTx3gBuffer);
                     mLastTrack->mTx3gBuffer = NULL;
+                    mLastTrack->mTx3gFilled = 0;
+                    mLastTrack->mTx3gSize = 0;
                 }
 
             } else if (chunk_type == FOURCC("moov")) {
@@ -2621,6 +2623,10 @@
             // if those apps are compensating for it, we'd break them with such a change
             //
 
+            if (mLastTrack->mTx3gBuffer == NULL) {
+                mLastTrack->mTx3gSize = 0;
+                mLastTrack->mTx3gFilled = 0;
+            }
             if (mLastTrack->mTx3gSize - mLastTrack->mTx3gFilled < chunk_size) {
                 size_t growth = kTx3gGrowth;
                 if (growth < chunk_size) {
@@ -4993,8 +4999,11 @@
 }
 
 status_t MPEG4Source::parseSampleAuxiliaryInformationSizes(
-        off64_t offset, off64_t /* size */) {
+        off64_t offset, off64_t size) {
     ALOGV("parseSampleAuxiliaryInformationSizes");
+    if (size < 9) {
+        return -EINVAL;
+    }
     // 14496-12 8.7.12
     uint8_t version;
     if (mDataSource->readAt(
@@ -5007,25 +5016,32 @@
         return ERROR_UNSUPPORTED;
     }
     offset++;
+    size--;
 
     uint32_t flags;
     if (!mDataSource->getUInt24(offset, &flags)) {
         return ERROR_IO;
     }
     offset += 3;
+    size -= 3;
 
     if (flags & 1) {
+        if (size < 13) {
+            return -EINVAL;
+        }
         uint32_t tmp;
         if (!mDataSource->getUInt32(offset, &tmp)) {
             return ERROR_MALFORMED;
         }
         mCurrentAuxInfoType = tmp;
         offset += 4;
+        size -= 4;
         if (!mDataSource->getUInt32(offset, &tmp)) {
             return ERROR_MALFORMED;
         }
         mCurrentAuxInfoTypeParameter = tmp;
         offset += 4;
+        size -= 4;
     }
 
     uint8_t defsize;
@@ -5034,6 +5050,7 @@
     }
     mCurrentDefaultSampleInfoSize = defsize;
     offset++;
+    size--;
 
     uint32_t smplcnt;
     if (!mDataSource->getUInt32(offset, &smplcnt)) {
@@ -5041,11 +5058,16 @@
     }
     mCurrentSampleInfoCount = smplcnt;
     offset += 4;
-
+    size -= 4;
     if (mCurrentDefaultSampleInfoSize != 0) {
         ALOGV("@@@@ using default sample info size of %d", mCurrentDefaultSampleInfoSize);
         return OK;
     }
+    if(smplcnt > size) {
+        ALOGW("b/124525515 - smplcnt(%u) > size(%ld)", (unsigned int)smplcnt, (unsigned long)size);
+        android_errorWriteLog(0x534e4554, "124525515");
+        return -EINVAL;
+    }
     if (smplcnt > mCurrentSampleInfoAllocSize) {
         uint8_t * newPtr =  (uint8_t*) realloc(mCurrentSampleInfoSizes, smplcnt);
         if (newPtr == NULL) {
@@ -5061,26 +5083,32 @@
 }
 
 status_t MPEG4Source::parseSampleAuxiliaryInformationOffsets(
-        off64_t offset, off64_t /* size */) {
+        off64_t offset, off64_t size) {
     ALOGV("parseSampleAuxiliaryInformationOffsets");
+    if (size < 8) {
+        return -EINVAL;
+    }
     // 14496-12 8.7.13
     uint8_t version;
     if (mDataSource->readAt(offset, &version, sizeof(version)) != 1) {
         return ERROR_IO;
     }
     offset++;
+    size--;
 
     uint32_t flags;
     if (!mDataSource->getUInt24(offset, &flags)) {
         return ERROR_IO;
     }
     offset += 3;
+    size -= 3;
 
     uint32_t entrycount;
     if (!mDataSource->getUInt32(offset, &entrycount)) {
         return ERROR_IO;
     }
     offset += 4;
+    size -= 4;
     if (entrycount == 0) {
         return OK;
     }
@@ -5106,19 +5134,31 @@
 
     for (size_t i = 0; i < entrycount; i++) {
         if (version == 0) {
+            if (size < 4) {
+                ALOGW("b/124526959");
+                android_errorWriteLog(0x534e4554, "124526959");
+                return -EINVAL;
+            }
             uint32_t tmp;
             if (!mDataSource->getUInt32(offset, &tmp)) {
                 return ERROR_IO;
             }
             mCurrentSampleInfoOffsets[i] = tmp;
             offset += 4;
+            size -= 4;
         } else {
+            if (size < 8) {
+                ALOGW("b/124526959");
+                android_errorWriteLog(0x534e4554, "124526959");
+                return -EINVAL;
+            }
             uint64_t tmp;
             if (!mDataSource->getUInt64(offset, &tmp)) {
                 return ERROR_IO;
             }
             mCurrentSampleInfoOffsets[i] = tmp;
             offset += 8;
+            size -= 8;
         }
     }
 
@@ -5440,16 +5480,12 @@
 
         // apply some sanity (vs strict legality) checks
         //
-        // clamp the count of entries in the trun box, to avoid spending forever parsing
-        // this box. Clamping (vs error) lets us play *something*.
-        // 1 million is about 400 msecs on a Pixel3, should be no more than a couple seconds
-        // on the slowest devices.
-        static constexpr uint32_t kMaxTrunSampleCount = 1000000;
+        static constexpr uint32_t kMaxTrunSampleCount = 10000;
         if (sampleCount > kMaxTrunSampleCount) {
-            ALOGW("b/123389881 clamp sampleCount(%u) @ kMaxTrunSampleCount(%u)",
+            ALOGW("b/123389881 sampleCount(%u) > kMaxTrunSampleCount(%u)",
                   sampleCount, kMaxTrunSampleCount);
             android_errorWriteLog(0x534e4554, "124389881 count");
-
+            return -EINVAL;
         }
     }
 
@@ -5493,7 +5529,12 @@
         tmp.duration = sampleDuration;
         tmp.compositionOffset = sampleCtsOffset;
         memset(tmp.iv, 0, sizeof(tmp.iv));
-        mCurrentSamples.add(tmp);
+        if (mCurrentSamples.add(tmp) < 0) {
+            ALOGW("b/123389881 failed saving sample(n=%zu)", mCurrentSamples.size());
+            android_errorWriteLog(0x534e4554, "124389881 allocation");
+            mCurrentSamples.clear();
+            return NO_MEMORY;
+        }
 
         dataOffset += sampleSize;
     }
diff --git a/media/extractors/mp4/SampleTable.cpp b/media/extractors/mp4/SampleTable.cpp
index bf29bf1..e7e8901 100644
--- a/media/extractors/mp4/SampleTable.cpp
+++ b/media/extractors/mp4/SampleTable.cpp
@@ -391,20 +391,11 @@
     }
 
     mTimeToSampleCount = U32_AT(&header[4]);
-    if (mTimeToSampleCount > UINT32_MAX / (2 * sizeof(uint32_t))) {
-        // Choose this bound because
-        // 1) 2 * sizeof(uint32_t) is the amount of memory needed for one
-        //    time-to-sample entry in the time-to-sample table.
-        // 2) mTimeToSampleCount is the number of entries of the time-to-sample
-        //    table.
-        // 3) We hope that the table size does not exceed UINT32_MAX.
+    if (mTimeToSampleCount > (data_size - 8) / (2 * sizeof(uint32_t))) {
         ALOGE("Time-to-sample table size too large.");
         return ERROR_OUT_OF_RANGE;
     }
 
-    // Note: At this point, we know that mTimeToSampleCount * 2 will not
-    // overflow because of the above condition.
-
     uint64_t allocSize = (uint64_t)mTimeToSampleCount * 2 * sizeof(uint32_t);
     mTotalSize += allocSize;
     if (mTotalSize > kMaxTotalSize) {
@@ -540,6 +531,12 @@
     }
 
     uint64_t allocSize = (uint64_t)numSyncSamples * sizeof(uint32_t);
+    if (allocSize > data_size - 8) {
+        ALOGW("b/124771364 - allocSize(%lu) > size(%lu)",
+                (unsigned long)allocSize, (unsigned long)(data_size - 8));
+        android_errorWriteLog(0x534e4554, "124771364");
+        return ERROR_MALFORMED;
+    }
     if (allocSize > kMaxTotalSize) {
         ALOGE("Sync sample table size too large.");
         return ERROR_OUT_OF_RANGE;
diff --git a/media/libaaudio/src/binding/IAAudioService.cpp b/media/libaaudio/src/binding/IAAudioService.cpp
index 97ad2b0..e017b3a 100644
--- a/media/libaaudio/src/binding/IAAudioService.cpp
+++ b/media/libaaudio/src/binding/IAAudioService.cpp
@@ -237,12 +237,12 @@
 
 status_t BnAAudioService::onTransact(uint32_t code, const Parcel& data,
                                         Parcel* reply, uint32_t flags) {
-    aaudio_handle_t streamHandle;
+    aaudio_handle_t streamHandle = 0;
     aaudio::AAudioStreamRequest request;
     aaudio::AAudioStreamConfiguration configuration;
-    pid_t tid;
-    int64_t nanoseconds;
-    aaudio_result_t result;
+    pid_t tid = 0;
+    int64_t nanoseconds = 0;
+    aaudio_result_t result = AAUDIO_OK;
     status_t status = NO_ERROR;
     ALOGV("BnAAudioService::onTransact(%i) %i", code, flags);
 
@@ -285,7 +285,11 @@
 
         case CLOSE_STREAM: {
             CHECK_INTERFACE(IAAudioService, data, reply);
-            data.readInt32(&streamHandle);
+            status = data.readInt32(&streamHandle);
+            if (status != NO_ERROR) {
+                ALOGE("BnAAudioService::%s(CLOSE_STREAM) streamHandle failed!", __func__);
+                return status;
+            }
             result = closeStream(streamHandle);
             //ALOGD("BnAAudioService::onTransact CLOSE_STREAM 0x%08X, result = %d",
             //      streamHandle, result);
@@ -297,6 +301,7 @@
             CHECK_INTERFACE(IAAudioService, data, reply);
             status = data.readInt32(&streamHandle);
             if (status != NO_ERROR) {
+                ALOGE("BnAAudioService::%s(GET_STREAM_DESCRIPTION) streamHandle failed!", __func__);
                 return status;
             }
             aaudio::AudioEndpointParcelable parcelable;
@@ -313,7 +318,11 @@
 
         case START_STREAM: {
             CHECK_INTERFACE(IAAudioService, data, reply);
-            data.readInt32(&streamHandle);
+            status = data.readInt32(&streamHandle);
+            if (status != NO_ERROR) {
+                ALOGE("BnAAudioService::%s(START_STREAM) streamHandle failed!", __func__);
+                return status;
+            }
             result = startStream(streamHandle);
             ALOGV("BnAAudioService::onTransact START_STREAM 0x%08X, result = %d",
                     streamHandle, result);
@@ -323,7 +332,11 @@
 
         case PAUSE_STREAM: {
             CHECK_INTERFACE(IAAudioService, data, reply);
-            data.readInt32(&streamHandle);
+            status = data.readInt32(&streamHandle);
+            if (status != NO_ERROR) {
+                ALOGE("BnAAudioService::%s(PAUSE_STREAM) streamHandle failed!", __func__);
+                return status;
+            }
             result = pauseStream(streamHandle);
             ALOGV("BnAAudioService::onTransact PAUSE_STREAM 0x%08X, result = %d",
                   streamHandle, result);
@@ -333,7 +346,11 @@
 
         case STOP_STREAM: {
             CHECK_INTERFACE(IAAudioService, data, reply);
-            data.readInt32(&streamHandle);
+            status = data.readInt32(&streamHandle);
+            if (status != NO_ERROR) {
+                ALOGE("BnAAudioService::%s(STOP_STREAM) streamHandle failed!", __func__);
+                return status;
+            }
             result = stopStream(streamHandle);
             ALOGV("BnAAudioService::onTransact STOP_STREAM 0x%08X, result = %d",
                   streamHandle, result);
@@ -343,7 +360,11 @@
 
         case FLUSH_STREAM: {
             CHECK_INTERFACE(IAAudioService, data, reply);
-            data.readInt32(&streamHandle);
+            status = data.readInt32(&streamHandle);
+            if (status != NO_ERROR) {
+                ALOGE("BnAAudioService::%s(FLUSH_STREAM) streamHandle failed!", __func__);
+                return status;
+            }
             result = flushStream(streamHandle);
             ALOGV("BnAAudioService::onTransact FLUSH_STREAM 0x%08X, result = %d",
                     streamHandle, result);
@@ -353,20 +374,40 @@
 
         case REGISTER_AUDIO_THREAD: {
             CHECK_INTERFACE(IAAudioService, data, reply);
-            data.readInt32(&streamHandle);
-            data.readInt32(&tid);
-            data.readInt64(&nanoseconds);
+            status = data.readInt32(&streamHandle);
+            if (status != NO_ERROR) {
+                ALOGE("BnAAudioService::%s(REGISTER_AUDIO_THREAD) streamHandle failed!", __func__);
+                return status;
+            }
+            status = data.readInt32(&tid);
+            if (status != NO_ERROR) {
+                ALOGE("BnAAudioService::%s(REGISTER_AUDIO_THREAD) tid failed!", __func__);
+                return status;
+            }
+            status = data.readInt64(&nanoseconds);
+            if (status != NO_ERROR) {
+                ALOGE("BnAAudioService::%s(REGISTER_AUDIO_THREAD) nanoseconds failed!", __func__);
+                return status;
+            }
             result = registerAudioThread(streamHandle, tid, nanoseconds);
-            ALOGV("BnAAudioService::onTransact REGISTER_AUDIO_THREAD 0x%08X, result = %d",
-                    streamHandle, result);
+            ALOGV("BnAAudioService::%s(REGISTER_AUDIO_THREAD) 0x%08X, result = %d",
+                    __func__, streamHandle, result);
             reply->writeInt32(result);
             return NO_ERROR;
         } break;
 
         case UNREGISTER_AUDIO_THREAD: {
             CHECK_INTERFACE(IAAudioService, data, reply);
-            data.readInt32(&streamHandle);
-            data.readInt32(&tid);
+            status = data.readInt32(&streamHandle);
+            if (status != NO_ERROR) {
+                ALOGE("BnAAudioService::%s(UNREGISTER_AUDIO_THREAD) streamHandle failed!", __func__);
+                return status;
+            }
+            status = data.readInt32(&tid);
+            if (status != NO_ERROR) {
+                ALOGE("BnAAudioService::%s(UNREGISTER_AUDIO_THREAD) tid failed!", __func__);
+                return status;
+            }
             result = unregisterAudioThread(streamHandle, tid);
             ALOGV("BnAAudioService::onTransact UNREGISTER_AUDIO_THREAD 0x%08X, result = %d",
                     streamHandle, result);
diff --git a/media/libaaudio/src/client/AudioStreamInternalCapture.cpp b/media/libaaudio/src/client/AudioStreamInternalCapture.cpp
index a6cc45b..366cc87 100644
--- a/media/libaaudio/src/client/AudioStreamInternalCapture.cpp
+++ b/media/libaaudio/src/client/AudioStreamInternalCapture.cpp
@@ -89,7 +89,11 @@
     if (mAudioEndpoint.isFreeRunning()) {
         //ALOGD("AudioStreamInternalCapture::processDataNow() - update remote counter");
         // Update data queue based on the timing model.
-        int64_t estimatedRemoteCounter = mClockModel.convertTimeToPosition(currentNanoTime);
+        // Jitter in the DSP can cause late writes to the FIFO.
+        // This might be caused by resampling.
+        // We want to read the FIFO after the latest possible time
+        // that the DSP could have written the data.
+        int64_t estimatedRemoteCounter = mClockModel.convertLatestTimeToPosition(currentNanoTime);
         // TODO refactor, maybe use setRemoteCounter()
         mAudioEndpoint.setDataWriteCounter(estimatedRemoteCounter);
     }
@@ -139,7 +143,7 @@
                 // the writeCounter might have just advanced in the background,
                 // causing us to sleep until a later burst.
                 int64_t nextPosition = mAudioEndpoint.getDataReadCounter() + mFramesPerBurst;
-                wakeTime = mClockModel.convertPositionToTime(nextPosition);
+                wakeTime = mClockModel.convertPositionToLatestTime(nextPosition);
             }
                 break;
             default:
diff --git a/media/libaaudio/src/client/IsochronousClockModel.cpp b/media/libaaudio/src/client/IsochronousClockModel.cpp
index 747d0e1..9abdf53 100644
--- a/media/libaaudio/src/client/IsochronousClockModel.cpp
+++ b/media/libaaudio/src/client/IsochronousClockModel.cpp
@@ -19,12 +19,11 @@
 #include <log/log.h>
 
 #include <stdint.h>
+#include <algorithm>
 
 #include "utility/AudioClock.h"
 #include "IsochronousClockModel.h"
 
-#define MIN_LATENESS_NANOS (10 * AAUDIO_NANOS_PER_MICROSECOND)
-
 using namespace aaudio;
 
 IsochronousClockModel::IsochronousClockModel()
@@ -32,7 +31,7 @@
         , mMarkerNanoTime(0)
         , mSampleRate(48000)
         , mFramesPerBurst(64)
-        , mMaxLatenessInNanos(0)
+        , mMaxMeasuredLatenessNanos(0)
         , mState(STATE_STOPPED)
 {
 }
@@ -41,8 +40,7 @@
 }
 
 void IsochronousClockModel::setPositionAndTime(int64_t framePosition, int64_t nanoTime) {
-    ALOGV("setPositionAndTime(%lld, %lld)",
-          (long long) framePosition, (long long) nanoTime);
+    ALOGV("setPositionAndTime, %lld, %lld", (long long) framePosition, (long long) nanoTime);
     mMarkerFramePosition = framePosition;
     mMarkerNanoTime = nanoTime;
 }
@@ -54,7 +52,9 @@
 }
 
 void IsochronousClockModel::stop(int64_t nanoTime) {
-    ALOGV("stop(nanos = %lld)\n", (long long) nanoTime);
+    ALOGD("stop(nanos = %lld) max lateness = %d micros\n",
+        (long long) nanoTime,
+        (int) (mMaxMeasuredLatenessNanos / 1000));
     setPositionAndTime(convertTimeToPosition(nanoTime), nanoTime);
     // TODO should we set position?
     mState = STATE_STOPPED;
@@ -69,9 +69,10 @@
 }
 
 void IsochronousClockModel::processTimestamp(int64_t framePosition, int64_t nanoTime) {
-//    ALOGD("processTimestamp() - framePosition = %lld at nanoTime %llu",
-//         (long long)framePosition,
-//         (long long)nanoTime);
+    mTimestampCount++;
+// Log position and time in CSV format so we can import it easily into spreadsheets.
+    //ALOGD("%s() CSV, %d, %lld, %lld", __func__,
+          //mTimestampCount, (long long)framePosition, (long long)nanoTime);
     int64_t framesDelta = framePosition - mMarkerFramePosition;
     int64_t nanosDelta = nanoTime - mMarkerNanoTime;
     if (nanosDelta < 1000) {
@@ -108,17 +109,56 @@
     case STATE_RUNNING:
         if (nanosDelta < expectedNanosDelta) {
             // Earlier than expected timestamp.
-            // This data is probably more accurate so use it.
-            // or we may be drifting due to a slow HW clock.
-//            ALOGD("processTimestamp() - STATE_RUNNING - %d < %d micros - EARLY",
-//                 (int) (nanosDelta / 1000), (int)(expectedNanosDelta / 1000));
+            // This data is probably more accurate, so use it.
+            // Or we may be drifting due to a fast HW clock.
+            //int microsDelta = (int) (nanosDelta / 1000);
+            //int expectedMicrosDelta = (int) (expectedNanosDelta / 1000);
+            //ALOGD("%s() - STATE_RUNNING - #%d, %4d micros EARLY",
+                //__func__, mTimestampCount, expectedMicrosDelta - microsDelta);
+
             setPositionAndTime(framePosition, nanoTime);
-        } else if (nanosDelta > (expectedNanosDelta + mMaxLatenessInNanos)) {
-            // Later than expected timestamp.
-//            ALOGD("processTimestamp() - STATE_RUNNING - %d > %d + %d micros - LATE",
-//                 (int) (nanosDelta / 1000), (int)(expectedNanosDelta / 1000),
-//                 (int) (mMaxLatenessInNanos / 1000));
-            setPositionAndTime(framePosition - mFramesPerBurst,  nanoTime - mMaxLatenessInNanos);
+        } else if (nanosDelta > (expectedNanosDelta + (2 * mBurstPeriodNanos))) {
+            // In this case we do not update mMaxMeasuredLatenessNanos because it
+            // would force it too high.
+            // mMaxMeasuredLatenessNanos should range from 1 to 2 * mBurstPeriodNanos
+            //int32_t measuredLatenessNanos = (int32_t)(nanosDelta - expectedNanosDelta);
+            //ALOGD("%s() - STATE_RUNNING - #%d, lateness %d - max %d = %4d micros VERY LATE",
+                  //__func__,
+                  //mTimestampCount,
+                  //measuredLatenessNanos / 1000,
+                  //mMaxMeasuredLatenessNanos / 1000,
+                  //(measuredLatenessNanos - mMaxMeasuredLatenessNanos) / 1000
+                  //);
+
+            // This typically happens when we are modelling a service instead of a DSP.
+            setPositionAndTime(framePosition,  nanoTime - (2 * mBurstPeriodNanos));
+        } else if (nanosDelta > (expectedNanosDelta + mMaxMeasuredLatenessNanos)) {
+            //int32_t previousLatenessNanos = mMaxMeasuredLatenessNanos;
+            mMaxMeasuredLatenessNanos = (int32_t)(nanosDelta - expectedNanosDelta);
+
+            //ALOGD("%s() - STATE_RUNNING - #%d, newmax %d - oldmax %d = %4d micros LATE",
+                  //__func__,
+                  //mTimestampCount,
+                  //mMaxMeasuredLatenessNanos / 1000,
+                  //previousLatenessNanos / 1000,
+                  //(mMaxMeasuredLatenessNanos - previousLatenessNanos) / 1000
+                  //);
+
+            // When we are late, it may be because of preemption in the kernel,
+            // or timing jitter caused by resampling in the DSP,
+            // or we may be drifting due to a slow HW clock.
+            // We add slight drift value just in case there is actual long term drift
+            // forward caused by a slower clock.
+            // If the clock is faster than the model will get pushed earlier
+            // by the code in the preceding branch.
+            // The two opposing forces should allow the model to track the real clock
+            // over a long time.
+            int64_t driftingTime = mMarkerNanoTime + expectedNanosDelta + kDriftNanos;
+            setPositionAndTime(framePosition,  driftingTime);
+            //ALOGD("%s() - #%d, max lateness = %d micros",
+                  //__func__,
+                  //mTimestampCount,
+                  //(int) (mMaxMeasuredLatenessNanos / 1000));
         }
         break;
     default:
@@ -138,9 +178,12 @@
     update();
 }
 
+// Update expected lateness based on sampleRate and framesPerBurst
 void IsochronousClockModel::update() {
-    int64_t nanosLate = convertDeltaPositionToTime(mFramesPerBurst); // uses mSampleRate
-    mMaxLatenessInNanos = (nanosLate > MIN_LATENESS_NANOS) ? nanosLate : MIN_LATENESS_NANOS;
+    mBurstPeriodNanos = convertDeltaPositionToTime(mFramesPerBurst); // uses mSampleRate
+    // Timestamps may be late by up to a burst because we are randomly sampling the time period
+    // after the DSP position is actually updated.
+    mMaxMeasuredLatenessNanos = mBurstPeriodNanos;
 }
 
 int64_t IsochronousClockModel::convertDeltaPositionToTime(int64_t framesDelta) const {
@@ -183,11 +226,25 @@
     return position;
 }
 
+int32_t IsochronousClockModel::getLateTimeOffsetNanos() const {
+    // This will never be < 0 because mMaxLatenessNanos starts at
+    // mBurstPeriodNanos and only gets bigger.
+    return (mMaxMeasuredLatenessNanos - mBurstPeriodNanos) + kExtraLatenessNanos;
+}
+
+int64_t IsochronousClockModel::convertPositionToLatestTime(int64_t framePosition) const {
+    return convertPositionToTime(framePosition) + getLateTimeOffsetNanos();
+}
+
+int64_t IsochronousClockModel::convertLatestTimeToPosition(int64_t nanoTime) const {
+    return convertTimeToPosition(nanoTime - getLateTimeOffsetNanos());
+}
+
 void IsochronousClockModel::dump() const {
     ALOGD("mMarkerFramePosition = %lld", (long long) mMarkerFramePosition);
     ALOGD("mMarkerNanoTime      = %lld", (long long) mMarkerNanoTime);
     ALOGD("mSampleRate          = %6d", mSampleRate);
     ALOGD("mFramesPerBurst      = %6d", mFramesPerBurst);
-    ALOGD("mMaxLatenessInNanos  = %6d", mMaxLatenessInNanos);
+    ALOGD("mMaxMeasuredLatenessNanos = %6d", mMaxMeasuredLatenessNanos);
     ALOGD("mState               = %6d", mState);
 }
diff --git a/media/libaaudio/src/client/IsochronousClockModel.h b/media/libaaudio/src/client/IsochronousClockModel.h
index 46ca48e..582bf4e 100644
--- a/media/libaaudio/src/client/IsochronousClockModel.h
+++ b/media/libaaudio/src/client/IsochronousClockModel.h
@@ -18,6 +18,7 @@
 #define ANDROID_AAUDIO_ISOCHRONOUS_CLOCK_MODEL_H
 
 #include <stdint.h>
+#include "utility/AudioClock.h"
 
 namespace aaudio {
 
@@ -79,6 +80,15 @@
     int64_t convertPositionToTime(int64_t framePosition) const;
 
     /**
+     * Calculate the latest estimated time that the stream will be at that position.
+     * The more jittery the clock is then the later this will be.
+     *
+     * @param framePosition
+     * @return time in nanoseconds
+     */
+    int64_t convertPositionToLatestTime(int64_t framePosition) const;
+
+    /**
      * Calculate an estimated position where the stream will be at the specified time.
      *
      * @param nanoTime time of interest
@@ -87,6 +97,18 @@
     int64_t convertTimeToPosition(int64_t nanoTime) const;
 
     /**
+     * Calculate the corresponding estimated position based on the specified time being
+     * the latest possible time.
+     *
+     * For the same nanoTime, this may return an earlier position than
+     * convertTimeToPosition().
+     *
+     * @param nanoTime
+     * @return position in frames
+     */
+    int64_t convertLatestTimeToPosition(int64_t nanoTime) const;
+
+    /**
      * @param framesDelta difference in frames
      * @return duration in nanoseconds
      */
@@ -101,6 +123,9 @@
     void dump() const;
 
 private:
+
+    int32_t getLateTimeOffsetNanos() const;
+
     enum clock_model_state_t {
         STATE_STOPPED,
         STATE_STARTING,
@@ -108,13 +133,23 @@
         STATE_RUNNING
     };
 
+    // Amount of time to drift forward when we get a late timestamp.
+    // This value was calculated to allow tracking of a clock with 50 ppm error.
+    static constexpr int32_t   kDriftNanos         =  10 * 1000;
+    // TODO review value of kExtraLatenessNanos
+    static constexpr int32_t   kExtraLatenessNanos = 100 * 1000;
+
     int64_t             mMarkerFramePosition;
     int64_t             mMarkerNanoTime;
     int32_t             mSampleRate;
     int32_t             mFramesPerBurst;
-    int32_t             mMaxLatenessInNanos;
+    int32_t             mBurstPeriodNanos;
+    // Includes mBurstPeriodNanos because we sample randomly over time.
+    int32_t             mMaxMeasuredLatenessNanos;
     clock_model_state_t mState;
 
+    int32_t             mTimestampCount = 0;
+
     void update();
 };
 
diff --git a/media/libaaudio/src/core/AudioStream.cpp b/media/libaaudio/src/core/AudioStream.cpp
index 9b77223..f5c97d8 100644
--- a/media/libaaudio/src/core/AudioStream.cpp
+++ b/media/libaaudio/src/core/AudioStream.cpp
@@ -473,7 +473,7 @@
 
 void AudioStream::MyPlayerBase::registerWithAudioManager() {
     if (!mRegistered) {
-        init(android::PLAYER_TYPE_AAUDIO, AUDIO_USAGE_MEDIA);
+        init(android::PLAYER_TYPE_AAUDIO, AAudioConvert_usageToInternal(mParent->getUsage()));
         mRegistered = true;
     }
 }
diff --git a/media/libaudioclient/AudioRecord.cpp b/media/libaudioclient/AudioRecord.cpp
index a1b04ca..271e186 100644
--- a/media/libaudioclient/AudioRecord.cpp
+++ b/media/libaudioclient/AudioRecord.cpp
@@ -884,7 +884,6 @@
 {
     // previous and new IAudioRecord sequence numbers are used to detect track re-creation
     uint32_t oldSequence = 0;
-    uint32_t newSequence;
 
     Proxy::Buffer buffer;
     status_t status = NO_ERROR;
@@ -902,7 +901,7 @@
             // start of lock scope
             AutoMutex lock(mLock);
 
-            newSequence = mSequence;
+            uint32_t newSequence = mSequence;
             // did previous obtainBuffer() fail due to media server death or voluntary invalidation?
             if (status == DEAD_OBJECT) {
                 // re-create track, unless someone else has already done so
@@ -939,6 +938,7 @@
     audioBuffer->frameCount = buffer.mFrameCount;
     audioBuffer->size = buffer.mFrameCount * mFrameSize;
     audioBuffer->raw = buffer.mRaw;
+    audioBuffer->sequence = oldSequence;
     if (nonContig != NULL) {
         *nonContig = buffer.mNonContig;
     }
@@ -959,6 +959,12 @@
     buffer.mRaw = audioBuffer->raw;
 
     AutoMutex lock(mLock);
+    if (audioBuffer->sequence != mSequence) {
+        // This Buffer came from a different IAudioRecord instance, so ignore the releaseBuffer
+        ALOGD("%s is no-op due to IAudioRecord sequence mismatch %u != %u",
+                __func__, audioBuffer->sequence, mSequence);
+        return;
+    }
     mInOverrun = false;
     mProxy->releaseBuffer(&buffer);
 
diff --git a/media/libaudioclient/AudioTrack.cpp b/media/libaudioclient/AudioTrack.cpp
index 4a80cd3..9a66d48 100644
--- a/media/libaudioclient/AudioTrack.cpp
+++ b/media/libaudioclient/AudioTrack.cpp
@@ -1665,7 +1665,6 @@
 {
     // previous and new IAudioTrack sequence numbers are used to detect track re-creation
     uint32_t oldSequence = 0;
-    uint32_t newSequence;
 
     Proxy::Buffer buffer;
     status_t status = NO_ERROR;
@@ -1682,7 +1681,7 @@
         {   // start of lock scope
             AutoMutex lock(mLock);
 
-            newSequence = mSequence;
+            uint32_t newSequence = mSequence;
             // did previous obtainBuffer() fail due to media server death or voluntary invalidation?
             if (status == DEAD_OBJECT) {
                 // re-create track, unless someone else has already done so
@@ -1729,6 +1728,7 @@
     audioBuffer->frameCount = buffer.mFrameCount;
     audioBuffer->size = buffer.mFrameCount * mFrameSize;
     audioBuffer->raw = buffer.mRaw;
+    audioBuffer->sequence = oldSequence;
     if (nonContig != NULL) {
         *nonContig = buffer.mNonContig;
     }
@@ -1752,6 +1752,12 @@
     buffer.mRaw = audioBuffer->raw;
 
     AutoMutex lock(mLock);
+    if (audioBuffer->sequence != mSequence) {
+        // This Buffer came from a different IAudioTrack instance, so ignore the releaseBuffer
+        ALOGD("%s is no-op due to IAudioTrack sequence mismatch %u != %u",
+                __func__, audioBuffer->sequence, mSequence);
+        return;
+    }
     mReleased += stepCount;
     mInUnderrun = false;
     mProxy->releaseBuffer(&buffer);
diff --git a/media/libaudioclient/IAudioFlinger.cpp b/media/libaudioclient/IAudioFlinger.cpp
index dd95e34..efa0512 100644
--- a/media/libaudioclient/IAudioFlinger.cpp
+++ b/media/libaudioclient/IAudioFlinger.cpp
@@ -1339,10 +1339,14 @@
         }
         case GET_EFFECT_DESCRIPTOR: {
             CHECK_INTERFACE(IAudioFlinger, data, reply);
-            effect_uuid_t uuid;
-            data.read(&uuid, sizeof(effect_uuid_t));
-            effect_uuid_t type;
-            data.read(&type, sizeof(effect_uuid_t));
+            effect_uuid_t uuid = {};
+            if (data.read(&uuid, sizeof(effect_uuid_t)) != NO_ERROR) {
+                android_errorWriteLog(0x534e4554, "139417189");
+            }
+            effect_uuid_t type = {};
+            if (data.read(&type, sizeof(effect_uuid_t)) != NO_ERROR) {
+                android_errorWriteLog(0x534e4554, "139417189");
+            }
             uint32_t preferredTypeFlag = data.readUint32();
             effect_descriptor_t desc = {};
             status_t status = getEffectDescriptor(&uuid, &type, preferredTypeFlag, &desc);
diff --git a/media/libaudioclient/IAudioPolicyService.cpp b/media/libaudioclient/IAudioPolicyService.cpp
index 64f0aca..2fb9491 100644
--- a/media/libaudioclient/IAudioPolicyService.cpp
+++ b/media/libaudioclient/IAudioPolicyService.cpp
@@ -1346,7 +1346,8 @@
         case GET_OFFLOAD_FORMATS_A2DP:
         case LIST_AUDIO_VOLUME_GROUPS:
         case GET_VOLUME_GROUP_FOR_ATTRIBUTES:
-        case SET_RTT_ENABLED: {
+        case SET_RTT_ENABLED:
+        case SET_ALLOWED_CAPTURE_POLICY: {
             if (!isServiceUid(IPCThreadState::self()->getCallingUid())) {
                 ALOGW("%s: transaction %d received from PID %d unauthorized UID %d",
                       __func__, code, IPCThreadState::self()->getCallingPid(),
diff --git a/media/libaudioclient/include/media/AudioRecord.h b/media/libaudioclient/include/media/AudioRecord.h
index a3c0fe4..574302b 100644
--- a/media/libaudioclient/include/media/AudioRecord.h
+++ b/media/libaudioclient/include/media/AudioRecord.h
@@ -92,6 +92,11 @@
             int8_t*     i8;         // unsigned 8-bit, offset by 0x80
                                     // input to obtainBuffer(): unused, output: pointer to buffer
         };
+
+        uint32_t    sequence;       // IAudioRecord instance sequence number, as of obtainBuffer().
+                                    // It is set by obtainBuffer() and confirmed by releaseBuffer().
+                                    // Not "user-serviceable".
+                                    // TODO Consider sp<IMemory> instead, or in addition to this.
     };
 
     /* As a convenience, if a callback is supplied, a handler thread
@@ -420,14 +425,17 @@
      *  frameCount  number of frames requested
      *  size        ignored
      *  raw         ignored
+     *  sequence    ignored
      * After error return:
      *  frameCount  0
      *  size        0
      *  raw         undefined
+     *  sequence    undefined
      * After successful return:
      *  frameCount  actual number of frames available, <= number requested
      *  size        actual number of bytes available
      *  raw         pointer to the buffer
+     *  sequence    IAudioRecord instance sequence number, as of obtainBuffer()
      */
 
             status_t    obtainBuffer(Buffer* audioBuffer, int32_t waitCount,
diff --git a/media/libaudioclient/include/media/AudioTrack.h b/media/libaudioclient/include/media/AudioTrack.h
index df5eabc..c607918 100644
--- a/media/libaudioclient/include/media/AudioTrack.h
+++ b/media/libaudioclient/include/media/AudioTrack.h
@@ -107,6 +107,11 @@
             int16_t*    i16;      // signed 16-bit
             int8_t*     i8;       // unsigned 8-bit, offset by 0x80
         };                        // input to obtainBuffer(): unused, output: pointer to buffer
+
+        uint32_t    sequence;       // IAudioTrack instance sequence number, as of obtainBuffer().
+                                    // It is set by obtainBuffer() and confirmed by releaseBuffer().
+                                    // Not "user-serviceable".
+                                    // TODO Consider sp<IMemory> instead, or in addition to this.
     };
 
     /* As a convenience, if a callback is supplied, a handler thread
@@ -692,14 +697,17 @@
      *  frameCount  number of [empty slots for] frames requested
      *  size        ignored
      *  raw         ignored
+     *  sequence    ignored
      * After error return:
      *  frameCount  0
      *  size        0
      *  raw         undefined
+     *  sequence    undefined
      * After successful return:
      *  frameCount  actual number of [empty slots for] frames available, <= number requested
      *  size        actual number of bytes available
      *  raw         pointer to the buffer
+     *  sequence    IAudioTrack instance sequence number, as of obtainBuffer()
      */
             status_t    obtainBuffer(Buffer* audioBuffer, int32_t waitCount,
                                 size_t *nonContig = NULL);
diff --git a/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp b/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp
index 3fbbc09..10dda19 100644
--- a/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp
+++ b/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp
@@ -302,6 +302,8 @@
         for (int i = 0; i < FIVEBAND_NUMBANDS; i++) {
             pContext->pBundledContext->bandGaindB[i] = EQNB_5BandSoftPresets[i];
         }
+        pContext->pBundledContext->effectProcessCalled      = 0;
+        pContext->pBundledContext->effectInDrain            = 0;
 
         ALOGV("\tEffectCreate - Calling LvmBundle_init");
         ret = LvmBundle_init(pContext);
@@ -394,6 +396,8 @@
 
     // Clear the instantiated flag for the effect
     // protect agains the case where an effect is un-instantiated without being disabled
+
+    int &effectInDrain = pContext->pBundledContext->effectInDrain;
     if(pContext->EffectType == LVM_BASS_BOOST) {
         ALOGV("\tEffectRelease LVM_BASS_BOOST Clearing global intstantiated flag");
         pSessionContext->bBassInstantiated = LVM_FALSE;
@@ -418,12 +422,16 @@
     } else if(pContext->EffectType == LVM_VOLUME) {
         ALOGV("\tEffectRelease LVM_VOLUME Clearing global intstantiated flag");
         pSessionContext->bVolumeInstantiated = LVM_FALSE;
-        if (pContext->pBundledContext->bVolumeEnabled == LVM_TRUE){
+        // There is no samplesToExitCount for volume so we also use the drain flag to check
+        // if we should decrement the effects enabled.
+        if (pContext->pBundledContext->bVolumeEnabled == LVM_TRUE
+                || (effectInDrain & 1 << LVM_VOLUME) != 0) {
             pContext->pBundledContext->NumberEffectsEnabled--;
         }
     } else {
         ALOGV("\tLVM_ERROR : EffectRelease : Unsupported effect\n\n\n\n\n\n\n");
     }
+    effectInDrain &= ~(1 << pContext->EffectType); // no need to drain if released
 
     // Disable effect, in this case ignore errors (return codes)
     // if an effect has already been disabled
@@ -3124,8 +3132,9 @@
 
 int Effect_setEnabled(EffectContext *pContext, bool enabled)
 {
-    ALOGV("\tEffect_setEnabled() type %d, enabled %d", pContext->EffectType, enabled);
-
+    ALOGV("%s effectType %d, enabled %d, currently enabled %d", __func__,
+            pContext->EffectType, enabled, pContext->pBundledContext->NumberEffectsEnabled);
+    int &effectInDrain = pContext->pBundledContext->effectInDrain;
     if (enabled) {
         // Bass boost or Virtualizer can be temporarily disabled if playing over device speaker due
         // to their nature.
@@ -3139,6 +3148,7 @@
                 if(pContext->pBundledContext->SamplesToExitCountBb <= 0){
                     pContext->pBundledContext->NumberEffectsEnabled++;
                 }
+                effectInDrain &= ~(1 << LVM_BASS_BOOST);
                 pContext->pBundledContext->SamplesToExitCountBb =
                      (LVM_INT32)(pContext->pBundledContext->SamplesPerSecond*0.1);
                 pContext->pBundledContext->bBassEnabled = LVM_TRUE;
@@ -3152,6 +3162,7 @@
                 if(pContext->pBundledContext->SamplesToExitCountEq <= 0){
                     pContext->pBundledContext->NumberEffectsEnabled++;
                 }
+                effectInDrain &= ~(1 << LVM_EQUALIZER);
                 pContext->pBundledContext->SamplesToExitCountEq =
                      (LVM_INT32)(pContext->pBundledContext->SamplesPerSecond*0.1);
                 pContext->pBundledContext->bEqualizerEnabled = LVM_TRUE;
@@ -3164,6 +3175,7 @@
                 if(pContext->pBundledContext->SamplesToExitCountVirt <= 0){
                     pContext->pBundledContext->NumberEffectsEnabled++;
                 }
+                effectInDrain &= ~(1 << LVM_VIRTUALIZER);
                 pContext->pBundledContext->SamplesToExitCountVirt =
                      (LVM_INT32)(pContext->pBundledContext->SamplesPerSecond*0.1);
                 pContext->pBundledContext->bVirtualizerEnabled = LVM_TRUE;
@@ -3174,7 +3186,10 @@
                     ALOGV("\tEffect_setEnabled() LVM_VOLUME is already enabled");
                     return -EINVAL;
                 }
-                pContext->pBundledContext->NumberEffectsEnabled++;
+                if ((effectInDrain & 1 << LVM_VOLUME) == 0) {
+                    pContext->pBundledContext->NumberEffectsEnabled++;
+                }
+                effectInDrain &= ~(1 << LVM_VOLUME);
                 pContext->pBundledContext->bVolumeEnabled = LVM_TRUE;
                 break;
             default:
@@ -3192,6 +3207,7 @@
                     return -EINVAL;
                 }
                 pContext->pBundledContext->bBassEnabled = LVM_FALSE;
+                effectInDrain |= 1 << LVM_BASS_BOOST;
                 break;
             case LVM_EQUALIZER:
                 if (pContext->pBundledContext->bEqualizerEnabled == LVM_FALSE) {
@@ -3199,6 +3215,7 @@
                     return -EINVAL;
                 }
                 pContext->pBundledContext->bEqualizerEnabled = LVM_FALSE;
+                effectInDrain |= 1 << LVM_EQUALIZER;
                 break;
             case LVM_VIRTUALIZER:
                 if (pContext->pBundledContext->bVirtualizerEnabled == LVM_FALSE) {
@@ -3206,6 +3223,7 @@
                     return -EINVAL;
                 }
                 pContext->pBundledContext->bVirtualizerEnabled = LVM_FALSE;
+                effectInDrain |= 1 << LVM_VIRTUALIZER;
                 break;
             case LVM_VOLUME:
                 if (pContext->pBundledContext->bVolumeEnabled == LVM_FALSE) {
@@ -3213,6 +3231,7 @@
                     return -EINVAL;
                 }
                 pContext->pBundledContext->bVolumeEnabled = LVM_FALSE;
+                effectInDrain |= 1 << LVM_VOLUME;
                 break;
             default:
                 ALOGV("\tEffect_setEnabled() invalid effect type");
@@ -3283,6 +3302,38 @@
         ALOGV("\tLVM_ERROR : Effect_process() ERROR NULL INPUT POINTER OR FRAME COUNT IS WRONG");
         return -EINVAL;
     }
+
+    int &effectProcessCalled = pContext->pBundledContext->effectProcessCalled;
+    int &effectInDrain = pContext->pBundledContext->effectInDrain;
+    if ((effectProcessCalled & 1 << pContext->EffectType) != 0) {
+        ALOGW("Effect %d already called", pContext->EffectType);
+        const int undrainedEffects = effectInDrain & ~effectProcessCalled;
+        if ((undrainedEffects & 1 << LVM_BASS_BOOST) != 0) {
+            ALOGW("Draining BASS_BOOST");
+            pContext->pBundledContext->SamplesToExitCountBb = 0;
+            --pContext->pBundledContext->NumberEffectsEnabled;
+            effectInDrain &= ~(1 << LVM_BASS_BOOST);
+        }
+        if ((undrainedEffects & 1 << LVM_EQUALIZER) != 0) {
+            ALOGW("Draining EQUALIZER");
+            pContext->pBundledContext->SamplesToExitCountEq = 0;
+            --pContext->pBundledContext->NumberEffectsEnabled;
+            effectInDrain &= ~(1 << LVM_EQUALIZER);
+        }
+        if ((undrainedEffects & 1 << LVM_VIRTUALIZER) != 0) {
+            ALOGW("Draining VIRTUALIZER");
+            pContext->pBundledContext->SamplesToExitCountVirt = 0;
+            --pContext->pBundledContext->NumberEffectsEnabled;
+            effectInDrain &= ~(1 << LVM_VIRTUALIZER);
+        }
+        if ((undrainedEffects & 1 << LVM_VOLUME) != 0) {
+            ALOGW("Draining VOLUME");
+            --pContext->pBundledContext->NumberEffectsEnabled;
+            effectInDrain &= ~(1 << LVM_VOLUME);
+        }
+    }
+    effectProcessCalled |= 1 << pContext->EffectType;
+
     if ((pContext->pBundledContext->bBassEnabled == LVM_FALSE)&&
         (pContext->EffectType == LVM_BASS_BOOST)){
         //ALOGV("\tEffect_process() LVM_BASS_BOOST Effect is not enabled");
@@ -3291,9 +3342,12 @@
             //ALOGV("\tEffect_process: Waiting to turn off BASS_BOOST, %d samples left",
             //    pContext->pBundledContext->SamplesToExitCountBb);
         }
-        if(pContext->pBundledContext->SamplesToExitCountBb <= 0) {
+        if (pContext->pBundledContext->SamplesToExitCountBb <= 0) {
             status = -ENODATA;
-            pContext->pBundledContext->NumberEffectsEnabled--;
+            if ((effectInDrain & 1 << LVM_BASS_BOOST) != 0) {
+                pContext->pBundledContext->NumberEffectsEnabled--;
+                effectInDrain &= ~(1 << LVM_BASS_BOOST);
+            }
             ALOGV("\tEffect_process() this is the last frame for LVM_BASS_BOOST");
         }
     }
@@ -3301,7 +3355,10 @@
         (pContext->EffectType == LVM_VOLUME)){
         //ALOGV("\tEffect_process() LVM_VOLUME Effect is not enabled");
         status = -ENODATA;
-        pContext->pBundledContext->NumberEffectsEnabled--;
+        if ((effectInDrain & 1 << LVM_VOLUME) != 0) {
+            pContext->pBundledContext->NumberEffectsEnabled--;
+            effectInDrain &= ~(1 << LVM_VOLUME);
+        }
     }
     if ((pContext->pBundledContext->bEqualizerEnabled == LVM_FALSE)&&
         (pContext->EffectType == LVM_EQUALIZER)){
@@ -3311,9 +3368,12 @@
             //ALOGV("\tEffect_process: Waiting to turn off EQUALIZER, %d samples left",
             //    pContext->pBundledContext->SamplesToExitCountEq);
         }
-        if(pContext->pBundledContext->SamplesToExitCountEq <= 0) {
+        if (pContext->pBundledContext->SamplesToExitCountEq <= 0) {
             status = -ENODATA;
-            pContext->pBundledContext->NumberEffectsEnabled--;
+            if ((effectInDrain & 1 << LVM_EQUALIZER) != 0) {
+                pContext->pBundledContext->NumberEffectsEnabled--;
+                effectInDrain &= ~(1 << LVM_EQUALIZER);
+            }
             ALOGV("\tEffect_process() this is the last frame for LVM_EQUALIZER");
         }
     }
@@ -3326,9 +3386,12 @@
             //ALOGV("\tEffect_process: Waiting for to turn off VIRTUALIZER, %d samples left",
             //    pContext->pBundledContext->SamplesToExitCountVirt);
         }
-        if(pContext->pBundledContext->SamplesToExitCountVirt <= 0) {
+        if (pContext->pBundledContext->SamplesToExitCountVirt <= 0) {
             status = -ENODATA;
-            pContext->pBundledContext->NumberEffectsEnabled--;
+            if ((effectInDrain & 1 << LVM_VIRTUALIZER) != 0) {
+                pContext->pBundledContext->NumberEffectsEnabled--;
+                effectInDrain &= ~(1 << LVM_VIRTUALIZER);
+            }
             ALOGV("\tEffect_process() this is the last frame for LVM_VIRTUALIZER");
         }
     }
@@ -3337,8 +3400,18 @@
         pContext->pBundledContext->NumberEffectsCalled++;
     }
 
-    if(pContext->pBundledContext->NumberEffectsCalled ==
-       pContext->pBundledContext->NumberEffectsEnabled){
+    if (pContext->pBundledContext->NumberEffectsCalled >=
+            pContext->pBundledContext->NumberEffectsEnabled) {
+
+        // We expect the # effects called to be equal to # effects enabled in sequence (including
+        // draining effects).  Warn if this is not the case due to inconsistent calls.
+        ALOGW_IF(pContext->pBundledContext->NumberEffectsCalled >
+                pContext->pBundledContext->NumberEffectsEnabled,
+                "%s Number of effects called %d is greater than number of effects enabled %d",
+                __func__, pContext->pBundledContext->NumberEffectsCalled,
+                pContext->pBundledContext->NumberEffectsEnabled);
+        effectProcessCalled = 0; // reset our consistency check.
+
         //ALOGV("\tEffect_process     Calling process with %d effects enabled, %d called: Effect %d",
         //pContext->pBundledContext->NumberEffectsEnabled,
         //pContext->pBundledContext->NumberEffectsCalled, pContext->EffectType);
diff --git a/media/libeffects/lvm/wrapper/Bundle/EffectBundle.h b/media/libeffects/lvm/wrapper/Bundle/EffectBundle.h
index 6af4554..e4aacd0 100644
--- a/media/libeffects/lvm/wrapper/Bundle/EffectBundle.h
+++ b/media/libeffects/lvm/wrapper/Bundle/EffectBundle.h
@@ -110,6 +110,14 @@
 #ifdef SUPPORT_MC
     LVM_INT32                       ChMask;
 #endif
+
+    /* Bitmask whether drain is in progress due to disabling the effect.
+       The corresponding bit to an effect is set by 1 << lvm_effect_en. */
+    int                             effectInDrain;
+
+    /* Bitmask whether process() was called for a particular effect.
+       The corresponding bit to an effect is set by 1 << lvm_effect_en. */
+    int                             effectProcessCalled;
 };
 
 /* SessionContext : One session */
diff --git a/media/libmedia/IResourceManagerService.cpp b/media/libmedia/IResourceManagerService.cpp
index 9724fc1..f8a0a14 100644
--- a/media/libmedia/IResourceManagerService.cpp
+++ b/media/libmedia/IResourceManagerService.cpp
@@ -32,6 +32,7 @@
     CONFIG = IBinder::FIRST_CALL_TRANSACTION,
     ADD_RESOURCE,
     REMOVE_RESOURCE,
+    REMOVE_CLIENT,
     RECLAIM_RESOURCE,
 };
 
@@ -72,12 +73,14 @@
 
     virtual void addResource(
             int pid,
+            int uid,
             int64_t clientId,
             const sp<IResourceManagerClient> client,
             const Vector<MediaResource> &resources) {
         Parcel data, reply;
         data.writeInterfaceToken(IResourceManagerService::getInterfaceDescriptor());
         data.writeInt32(pid);
+        data.writeInt32(uid);
         data.writeInt64(clientId);
         data.writeStrongBinder(IInterface::asBinder(client));
         writeToParcel(&data, resources);
@@ -85,13 +88,23 @@
         remote()->transact(ADD_RESOURCE, data, &reply);
     }
 
-    virtual void removeResource(int pid, int64_t clientId) {
+    virtual void removeResource(int pid, int64_t clientId, const Vector<MediaResource> &resources) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IResourceManagerService::getInterfaceDescriptor());
+        data.writeInt32(pid);
+        data.writeInt64(clientId);
+        writeToParcel(&data, resources);
+
+        remote()->transact(REMOVE_RESOURCE, data, &reply);
+    }
+
+    virtual void removeClient(int pid, int64_t clientId) {
         Parcel data, reply;
         data.writeInterfaceToken(IResourceManagerService::getInterfaceDescriptor());
         data.writeInt32(pid);
         data.writeInt64(clientId);
 
-        remote()->transact(REMOVE_RESOURCE, data, &reply);
+        remote()->transact(REMOVE_CLIENT, data, &reply);
     }
 
     virtual bool reclaimResource(int callingPid, const Vector<MediaResource> &resources) {
@@ -129,6 +142,7 @@
         case ADD_RESOURCE: {
             CHECK_INTERFACE(IResourceManagerService, data, reply);
             int pid = data.readInt32();
+            int uid = data.readInt32();
             int64_t clientId = data.readInt64();
             sp<IResourceManagerClient> client(
                     interface_cast<IResourceManagerClient>(data.readStrongBinder()));
@@ -137,7 +151,7 @@
             }
             Vector<MediaResource> resources;
             readFromParcel(data, &resources);
-            addResource(pid, clientId, client, resources);
+            addResource(pid, uid, clientId, client, resources);
             return NO_ERROR;
         } break;
 
@@ -145,7 +159,17 @@
             CHECK_INTERFACE(IResourceManagerService, data, reply);
             int pid = data.readInt32();
             int64_t clientId = data.readInt64();
-            removeResource(pid, clientId);
+            Vector<MediaResource> resources;
+            readFromParcel(data, &resources);
+            removeResource(pid, clientId, resources);
+            return NO_ERROR;
+        } break;
+
+        case REMOVE_CLIENT: {
+            CHECK_INTERFACE(IResourceManagerService, data, reply);
+            int pid = data.readInt32();
+            int64_t clientId = data.readInt64();
+            removeClient(pid, clientId);
             return NO_ERROR;
         } break;
 
diff --git a/media/libmedia/Visualizer.cpp b/media/libmedia/Visualizer.cpp
index cb8d375..2bf0802 100644
--- a/media/libmedia/Visualizer.cpp
+++ b/media/libmedia/Visualizer.cpp
@@ -77,10 +77,13 @@
     if (t != 0) {
         if (enabled) {
             if (t->exitPending()) {
+                mCaptureLock.unlock();
                 if (t->requestExitAndWait() == WOULD_BLOCK) {
+                    mCaptureLock.lock();
                     ALOGE("Visualizer::enable() called from thread");
                     return INVALID_OPERATION;
                 }
+                mCaptureLock.lock();
             }
         }
         t->mLock.lock();
diff --git a/media/libmedia/include/media/IResourceManagerService.h b/media/libmedia/include/media/IResourceManagerService.h
index 1e4f6de..8992f8b 100644
--- a/media/libmedia/include/media/IResourceManagerService.h
+++ b/media/libmedia/include/media/IResourceManagerService.h
@@ -39,11 +39,15 @@
 
     virtual void addResource(
             int pid,
+            int uid,
             int64_t clientId,
             const sp<IResourceManagerClient> client,
             const Vector<MediaResource> &resources) = 0;
 
-    virtual void removeResource(int pid, int64_t clientId) = 0;
+    virtual void removeResource(int pid, int64_t clientId,
+            const Vector<MediaResource> &resources) = 0;
+
+    virtual void removeClient(int pid, int64_t clientId) = 0;
 
     virtual bool reclaimResource(
             int callingPid,
diff --git a/media/libmedia/include/media/MediaResource.h b/media/libmedia/include/media/MediaResource.h
index e1fdb9b..10a07bb 100644
--- a/media/libmedia/include/media/MediaResource.h
+++ b/media/libmedia/include/media/MediaResource.h
@@ -31,12 +31,13 @@
         kNonSecureCodec,
         kGraphicMemory,
         kCpuBoost,
+        kBattery,
     };
 
     enum SubType {
         kUnspecifiedSubType = 0,
         kAudioCodec,
-        kVideoCodec
+        kVideoCodec,
     };
 
     MediaResource();
@@ -62,6 +63,8 @@
         case MediaResource::kSecureCodec:    return "secure-codec";
         case MediaResource::kNonSecureCodec: return "non-secure-codec";
         case MediaResource::kGraphicMemory:  return "graphic-memory";
+        case MediaResource::kCpuBoost:       return "cpu-boost";
+        case MediaResource::kBattery:        return "battery";
         default:                             return def;
     }
 }
diff --git a/media/libmediaplayerservice/nuplayer/StreamingSource.cpp b/media/libmediaplayerservice/nuplayer/StreamingSource.cpp
index ea64f98..3250a48 100644
--- a/media/libmediaplayerservice/nuplayer/StreamingSource.cpp
+++ b/media/libmediaplayerservice/nuplayer/StreamingSource.cpp
@@ -131,29 +131,32 @@
         } else if (n < 0) {
             break;
         } else {
-            if (buffer[0] == 0x00) {
+            if (buffer[0] == 0x00) { // OK to access buffer[0] since n must be > 0 here
                 // XXX legacy
 
                 if (extra == NULL) {
                     extra = new AMessage;
                 }
 
-                uint8_t type = buffer[1];
+                uint8_t type = 0;
+                if (n > 1) {
+                    type = buffer[1];
 
-                if (type & 2) {
-                    int64_t mediaTimeUs;
-                    memcpy(&mediaTimeUs, &buffer[2], sizeof(mediaTimeUs));
+                    if ((type & 2) && (n >= 2 + sizeof(int64_t))) {
+                        int64_t mediaTimeUs;
+                        memcpy(&mediaTimeUs, &buffer[2], sizeof(mediaTimeUs));
 
-                    extra->setInt64(kATSParserKeyMediaTimeUs, mediaTimeUs);
+                        extra->setInt64(kATSParserKeyMediaTimeUs, mediaTimeUs);
+                    }
                 }
 
                 mTSParser->signalDiscontinuity(
                         ((type & 1) == 0)
-                            ? ATSParser::DISCONTINUITY_TIME
-                            : ATSParser::DISCONTINUITY_FORMATCHANGE,
+                                ? ATSParser::DISCONTINUITY_TIME
+                                : ATSParser::DISCONTINUITY_FORMATCHANGE,
                         extra);
             } else {
-                status_t err = mTSParser->feedTSPacket(buffer, sizeof(buffer));
+                status_t err = mTSParser->feedTSPacket(buffer, n);
 
                 if (err != OK) {
                     ALOGE("TS Parser returned error %d", err);
diff --git a/media/libstagefright/ACodec.cpp b/media/libstagefright/ACodec.cpp
index 3d67c91..44f246d 100644
--- a/media/libstagefright/ACodec.cpp
+++ b/media/libstagefright/ACodec.cpp
@@ -1826,6 +1826,23 @@
             mRepeatFrameDelayUs = -1LL;
         }
 
+        if (!msg->findDouble("time-lapse-fps", &mCaptureFps)) {
+            float captureRate;
+            if (msg->findAsFloat(KEY_CAPTURE_RATE, &captureRate)) {
+                mCaptureFps = captureRate;
+            } else {
+                mCaptureFps = -1.0;
+            }
+        }
+
+        if (!msg->findInt32(
+                KEY_CREATE_INPUT_SURFACE_SUSPENDED,
+                (int32_t*)&mCreateInputBuffersSuspended)) {
+            mCreateInputBuffersSuspended = false;
+        }
+    }
+
+    if (encoder && (mIsVideo || mIsImage)) {
         // only allow 32-bit value, since we pass it as U32 to OMX.
         if (!msg->findInt64(KEY_MAX_PTS_GAP_TO_ENCODER, &mMaxPtsGapUs)) {
             mMaxPtsGapUs = 0LL;
@@ -1842,16 +1859,6 @@
         if (mMaxPtsGapUs < 0LL) {
             mMaxFps = -1;
         }
-
-        if (!msg->findDouble("time-lapse-fps", &mCaptureFps)) {
-            mCaptureFps = -1.0;
-        }
-
-        if (!msg->findInt32(
-                KEY_CREATE_INPUT_SURFACE_SUSPENDED,
-                (int32_t*)&mCreateInputBuffersSuspended)) {
-            mCreateInputBuffersSuspended = false;
-        }
     }
 
     // NOTE: we only use native window for video decoders
@@ -4505,22 +4512,38 @@
 status_t ACodec::configureImageGrid(
         const sp<AMessage> &msg, sp<AMessage> &outputFormat) {
     int32_t tileWidth, tileHeight, gridRows, gridCols;
-    if (!msg->findInt32("tile-width", &tileWidth) ||
-        !msg->findInt32("tile-height", &tileHeight) ||
-        !msg->findInt32("grid-rows", &gridRows) ||
-        !msg->findInt32("grid-cols", &gridCols)) {
+    OMX_BOOL useGrid = OMX_FALSE;
+    if (msg->findInt32("tile-width", &tileWidth) &&
+        msg->findInt32("tile-height", &tileHeight) &&
+        msg->findInt32("grid-rows", &gridRows) &&
+        msg->findInt32("grid-cols", &gridCols)) {
+        useGrid = OMX_TRUE;
+    } else {
+        // when bEnabled is false, the tile info is not used,
+        // but clear out these too.
+        tileWidth = tileHeight = gridRows = gridCols = 0;
+    }
+
+    if (!mIsImage && !useGrid) {
         return OK;
     }
 
     OMX_VIDEO_PARAM_ANDROID_IMAGEGRIDTYPE gridType;
     InitOMXParams(&gridType);
     gridType.nPortIndex = kPortIndexOutput;
-    gridType.bEnabled = OMX_TRUE;
+    gridType.bEnabled = useGrid;
     gridType.nTileWidth = tileWidth;
     gridType.nTileHeight = tileHeight;
     gridType.nGridRows = gridRows;
     gridType.nGridCols = gridCols;
 
+    ALOGV("sending image grid info to component: bEnabled %d, tile %dx%d, grid %dx%d",
+            gridType.bEnabled,
+            gridType.nTileWidth,
+            gridType.nTileHeight,
+            gridType.nGridRows,
+            gridType.nGridCols);
+
     status_t err = mOMXNode->setParameter(
             (OMX_INDEXTYPE)OMX_IndexParamVideoAndroidImageGrid,
             &gridType, sizeof(gridType));
@@ -4541,6 +4564,13 @@
             (OMX_INDEXTYPE)OMX_IndexParamVideoAndroidImageGrid,
             &gridType, sizeof(gridType));
 
+    ALOGV("received image grid info from component: bEnabled %d, tile %dx%d, grid %dx%d",
+            gridType.bEnabled,
+            gridType.nTileWidth,
+            gridType.nTileHeight,
+            gridType.nGridRows,
+            gridType.nGridCols);
+
     if (err == OK && gridType.bEnabled) {
         outputFormat->setInt32("tile-width", gridType.nTileWidth);
         outputFormat->setInt32("tile-height", gridType.nTileHeight);
@@ -6871,7 +6901,7 @@
         }
     }
 
-    if (mCodec->mMaxPtsGapUs != 0LL) {
+    if (mCodec->mIsVideo && mCodec->mMaxPtsGapUs != 0LL) {
         OMX_PARAM_U32TYPE maxPtsGapParams;
         InitOMXParams(&maxPtsGapParams);
         maxPtsGapParams.nPortIndex = kPortIndexInput;
diff --git a/media/libstagefright/MPEG4Writer.cpp b/media/libstagefright/MPEG4Writer.cpp
index 2f13dc9..f130c9b 100644
--- a/media/libstagefright/MPEG4Writer.cpp
+++ b/media/libstagefright/MPEG4Writer.cpp
@@ -1635,8 +1635,13 @@
         return BAD_VALUE;
     }
 
+    // Increase moovExtraSize once only irrespective of how many times
+    // setCaptureRate is called.
+    bool containsCaptureFps = mMetaKeys->contains(kMetaKey_CaptureFps);
     mMetaKeys->setFloat(kMetaKey_CaptureFps, captureFps);
-    mMoovExtraSize += sizeof(kMetaKey_CaptureFps) + 4 + 32;
+    if (!containsCaptureFps) {
+        mMoovExtraSize += sizeof(kMetaKey_CaptureFps) + 4 + 32;
+    }
 
     return OK;
 }
diff --git a/media/libstagefright/MediaCodec.cpp b/media/libstagefright/MediaCodec.cpp
index f579e9d..eceb84e 100644
--- a/media/libstagefright/MediaCodec.cpp
+++ b/media/libstagefright/MediaCodec.cpp
@@ -48,6 +48,7 @@
 #include <media/stagefright/foundation/avc_utils.h>
 #include <media/stagefright/foundation/hexdump.h>
 #include <media/stagefright/ACodec.h>
+#include <media/stagefright/BatteryChecker.h>
 #include <media/stagefright/BufferProducerWrapper.h>
 #include <media/stagefright/MediaCodec.h>
 #include <media/stagefright/MediaCodecList.h>
@@ -57,7 +58,6 @@
 #include <media/stagefright/OMXClient.h>
 #include <media/stagefright/PersistentSurface.h>
 #include <media/stagefright/SurfaceUtils.h>
-#include <mediautils/BatteryNotifier.h>
 #include <private/android_filesystem_config.h>
 #include <utils/Singleton.h>
 
@@ -166,8 +166,9 @@
     DISALLOW_EVIL_CONSTRUCTORS(ResourceManagerClient);
 };
 
-MediaCodec::ResourceManagerServiceProxy::ResourceManagerServiceProxy(pid_t pid)
-        : mPid(pid) {
+MediaCodec::ResourceManagerServiceProxy::ResourceManagerServiceProxy(
+        pid_t pid, uid_t uid)
+        : mPid(pid), mUid(uid) {
     if (mPid == MediaCodec::kNoPid) {
         mPid = IPCThreadState::self()->getCallingPid();
     }
@@ -204,15 +205,25 @@
     if (mService == NULL) {
         return;
     }
-    mService->addResource(mPid, clientId, client, resources);
+    mService->addResource(mPid, mUid, clientId, client, resources);
 }
 
-void MediaCodec::ResourceManagerServiceProxy::removeResource(int64_t clientId) {
+void MediaCodec::ResourceManagerServiceProxy::removeResource(
+        int64_t clientId,
+        const Vector<MediaResource> &resources) {
     Mutex::Autolock _l(mLock);
     if (mService == NULL) {
         return;
     }
-    mService->removeResource(mPid, clientId);
+    mService->removeResource(mPid, clientId, resources);
+}
+
+void MediaCodec::ResourceManagerServiceProxy::removeClient(int64_t clientId) {
+    Mutex::Autolock _l(mLock);
+    if (mService == NULL) {
+        return;
+    }
+    mService->removeClient(mPid, clientId);
 }
 
 bool MediaCodec::ResourceManagerServiceProxy::reclaimResource(
@@ -517,9 +528,6 @@
       mStickyError(OK),
       mSoftRenderer(NULL),
       mAnalyticsItem(NULL),
-      mResourceManagerClient(new ResourceManagerClient(this)),
-      mResourceManagerService(new ResourceManagerServiceProxy(pid)),
-      mBatteryStatNotified(false),
       mIsVideo(false),
       mVideoWidth(0),
       mVideoHeight(0),
@@ -537,13 +545,15 @@
     } else {
         mUid = uid;
     }
+    mResourceManagerClient = new ResourceManagerClient(this);
+    mResourceManagerService = new ResourceManagerServiceProxy(pid, mUid);
 
     initAnalyticsItem();
 }
 
 MediaCodec::~MediaCodec() {
     CHECK_EQ(mState, UNINITIALIZED);
-    mResourceManagerService->removeResource(getId(mResourceManagerClient));
+    mResourceManagerService->removeClient(getId(mResourceManagerClient));
 
     flushAnalyticsItem();
 }
@@ -742,6 +752,12 @@
         return;
     }
 
+    if (mBatteryChecker != nullptr) {
+        mBatteryChecker->onCodecActivity([this] () {
+            addResource(MediaResource::kBattery, MediaResource::kVideoCodec, 1);
+        });
+    }
+
     const int64_t nowNs = systemTime(SYSTEM_TIME_MONOTONIC);
     BufferFlightTiming_t startdata = { presentationUs, nowNs };
 
@@ -776,6 +792,12 @@
         return;
     }
 
+    if (mBatteryChecker != nullptr) {
+        mBatteryChecker->onCodecActivity([this] () {
+            addResource(MediaResource::kBattery, MediaResource::kVideoCodec, 1);
+        });
+    }
+
     BufferFlightTiming_t startdata;
     bool valid = false;
     while (mBuffersInFlight.size() > 0) {
@@ -964,6 +986,10 @@
         mAnalyticsItem->setCString(kCodecMode, mIsVideo ? kCodecModeVideo : kCodecModeAudio);
     }
 
+    if (mIsVideo) {
+        mBatteryChecker = new BatteryChecker(new AMessage(kWhatCheckBatteryStats, this));
+    }
+
     status_t err;
     Vector<MediaResource> resources;
     MediaResource::Type type =
@@ -1221,6 +1247,13 @@
             getId(mResourceManagerClient), mResourceManagerClient, resources);
 }
 
+void MediaCodec::removeResource(
+        MediaResource::Type type, MediaResource::SubType subtype, uint64_t value) {
+    Vector<MediaResource> resources;
+    resources.push_back(MediaResource(type, subtype, value));
+    mResourceManagerService->removeResource(getId(mResourceManagerClient), resources);
+}
+
 status_t MediaCodec::start() {
     sp<AMessage> msg = new AMessage(kWhatStart, this);
 
@@ -1682,6 +1715,59 @@
     }
 }
 
+BatteryChecker::BatteryChecker(const sp<AMessage> &msg, int64_t timeoutUs)
+    : mTimeoutUs(timeoutUs)
+    , mLastActivityTimeUs(-1ll)
+    , mBatteryStatNotified(false)
+    , mBatteryCheckerGeneration(0)
+    , mIsExecuting(false)
+    , mBatteryCheckerMsg(msg) {}
+
+void BatteryChecker::onCodecActivity(std::function<void()> batteryOnCb) {
+    if (!isExecuting()) {
+        // ignore if not executing
+        return;
+    }
+    if (!mBatteryStatNotified) {
+        batteryOnCb();
+        mBatteryStatNotified = true;
+        sp<AMessage> msg = mBatteryCheckerMsg->dup();
+        msg->setInt32("generation", mBatteryCheckerGeneration);
+
+        // post checker and clear last activity time
+        msg->post(mTimeoutUs);
+        mLastActivityTimeUs = -1ll;
+    } else {
+        // update last activity time
+        mLastActivityTimeUs = ALooper::GetNowUs();
+    }
+}
+
+void BatteryChecker::onCheckBatteryTimer(
+        const sp<AMessage> &msg, std::function<void()> batteryOffCb) {
+    // ignore if this checker already expired because the client resource was removed
+    int32_t generation;
+    if (!msg->findInt32("generation", &generation)
+            || generation != mBatteryCheckerGeneration) {
+        return;
+    }
+
+    if (mLastActivityTimeUs < 0ll) {
+        // timed out inactive, do not repost checker
+        batteryOffCb();
+        mBatteryStatNotified = false;
+    } else {
+        // repost checker and clear last activity time
+        msg->post(mTimeoutUs + mLastActivityTimeUs - ALooper::GetNowUs());
+        mLastActivityTimeUs = -1ll;
+    }
+}
+
+void BatteryChecker::onClientRemoved() {
+    mBatteryStatNotified = false;
+    mBatteryCheckerGeneration++;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 
 void MediaCodec::cancelPendingDequeueOperations() {
@@ -2318,7 +2404,12 @@
 
                     mFlags &= ~kFlagIsComponentAllocated;
 
-                    mResourceManagerService->removeResource(getId(mResourceManagerClient));
+                    // off since we're removing all resources including the battery on
+                    if (mBatteryChecker != nullptr) {
+                        mBatteryChecker->onClientRemoved();
+                    }
+
+                    mResourceManagerService->removeClient(getId(mResourceManagerClient));
 
                     (new AMessage)->postReply(mReplyID);
                     break;
@@ -3029,6 +3120,16 @@
             break;
         }
 
+        case kWhatCheckBatteryStats:
+        {
+            if (mBatteryChecker != nullptr) {
+                mBatteryChecker->onCheckBatteryTimer(msg, [this] () {
+                    removeResource(MediaResource::kBattery, MediaResource::kVideoCodec, 1);
+                });
+            }
+            break;
+        }
+
         default:
             TRESPASS();
     }
@@ -3125,9 +3226,11 @@
 
     mState = newState;
 
-    cancelPendingDequeueOperations();
+    if (mBatteryChecker != nullptr) {
+        mBatteryChecker->setExecuting(isExecuting());
+    }
 
-    updateBatteryStat();
+    cancelPendingDequeueOperations();
 }
 
 void MediaCodec::returnBuffersToCodec(bool isReclaim) {
@@ -3631,20 +3734,6 @@
     return OK;
 }
 
-void MediaCodec::updateBatteryStat() {
-    if (!mIsVideo) {
-        return;
-    }
-
-    if (mState == CONFIGURED && !mBatteryStatNotified) {
-        BatteryNotifier::getInstance().noteStartVideo(mUid);
-        mBatteryStatNotified = true;
-    } else if (mState == UNINITIALIZED && mBatteryStatNotified) {
-        BatteryNotifier::getInstance().noteStopVideo(mUid);
-        mBatteryStatNotified = false;
-    }
-}
-
 std::string MediaCodec::stateString(State state) {
     const char *rval = NULL;
     char rawbuffer[16]; // room for "%d"
diff --git a/media/libstagefright/MediaMuxer.cpp b/media/libstagefright/MediaMuxer.cpp
index 9ba2add..7ebdb1a 100644
--- a/media/libstagefright/MediaMuxer.cpp
+++ b/media/libstagefright/MediaMuxer.cpp
@@ -96,10 +96,18 @@
 
     sp<MediaAdapter> newTrack = new MediaAdapter(trackMeta);
     status_t result = mWriter->addSource(newTrack);
-    if (result == OK) {
-        return mTrackList.add(newTrack);
+    if (result != OK) {
+        return -1;
     }
-    return -1;
+    float captureFps = -1.0;
+    if (format->findAsFloat("time-lapse-fps", &captureFps)) {
+        ALOGV("addTrack() time-lapse-fps: %f", captureFps);
+        result = mWriter->setCaptureRate(captureFps);
+        if (result != OK) {
+            ALOGW("addTrack() setCaptureRate failed :%d", result);
+        }
+    }
+    return mTrackList.add(newTrack);
 }
 
 status_t MediaMuxer::setOrientationHint(int degrees) {
diff --git a/media/libstagefright/TEST_MAPPING b/media/libstagefright/TEST_MAPPING
index 96818eb..c1b270c 100644
--- a/media/libstagefright/TEST_MAPPING
+++ b/media/libstagefright/TEST_MAPPING
@@ -7,6 +7,9 @@
           "include-annotation": "android.platform.test.annotations.RequiresDevice"
         }
       ]
+    },
+    {
+       "name": "BatteryChecker_test"
     }
   ]
 }
diff --git a/media/libstagefright/codecs/vorbis/dec/SoftVorbis.cpp b/media/libstagefright/codecs/vorbis/dec/SoftVorbis.cpp
index 76a400c..1293a74 100644
--- a/media/libstagefright/codecs/vorbis/dec/SoftVorbis.cpp
+++ b/media/libstagefright/codecs/vorbis/dec/SoftVorbis.cpp
@@ -290,7 +290,7 @@
 }
 
 bool SoftVorbis::isConfigured() const {
-    return mInputBufferCount >= 2;
+    return (mState != NULL && mVi != NULL);
 }
 
 static void makeBitReader(
diff --git a/media/libstagefright/foundation/OpusHeader.cpp b/media/libstagefright/foundation/OpusHeader.cpp
index 513e41f..f5687e0 100644
--- a/media/libstagefright/foundation/OpusHeader.cpp
+++ b/media/libstagefright/foundation/OpusHeader.cpp
@@ -292,6 +292,10 @@
         *opusHeadSize = data_size;
         return true;
     } else if (memcmp(AOPUS_CSD_MARKER_PREFIX, data, AOPUS_CSD_MARKER_PREFIX_SIZE) == 0) {
+        if (data_size < AOPUS_UNIFIED_CSD_MINSIZE || data_size > AOPUS_UNIFIED_CSD_MAXSIZE) {
+            ALOGD("Unexpected size for unified opus csd %zu", data_size);
+            return false;
+        }
         size_t i = 0;
         bool found = false;
         while (i <= data_size - AOPUS_MARKER_SIZE - AOPUS_LENGTH_SIZE) {
diff --git a/media/libstagefright/include/media/stagefright/BatteryChecker.h b/media/libstagefright/include/media/stagefright/BatteryChecker.h
new file mode 100644
index 0000000..2ec4ac0
--- /dev/null
+++ b/media/libstagefright/include/media/stagefright/BatteryChecker.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2019 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 BATTERY_CHECKER_H_
+#define BATTERY_CHECKER_H_
+
+#include <media/stagefright/foundation/AMessage.h>
+
+namespace android {
+
+struct BatteryChecker : public RefBase {
+    BatteryChecker(const sp<AMessage> &msg, int64_t timeout = 3000000ll);
+
+    void setExecuting(bool executing) { mIsExecuting = executing; }
+    void onCodecActivity(std::function<void()> batteryOnCb);
+    void onCheckBatteryTimer(const sp<AMessage>& msg, std::function<void()> batteryOffCb);
+    void onClientRemoved();
+
+private:
+    const int64_t mTimeoutUs;
+    int64_t mLastActivityTimeUs;
+    bool mBatteryStatNotified;
+    int32_t mBatteryCheckerGeneration;
+    bool mIsExecuting;
+    sp<AMessage> mBatteryCheckerMsg;
+
+    bool isExecuting() { return mIsExecuting; }
+
+    DISALLOW_EVIL_CONSTRUCTORS(BatteryChecker);
+};
+
+}  // namespace android
+
+#endif // BATTERY_CHECKER_H_
diff --git a/media/libstagefright/include/media/stagefright/MediaCodec.h b/media/libstagefright/include/media/stagefright/MediaCodec.h
index 89cca63..cd30347 100644
--- a/media/libstagefright/include/media/stagefright/MediaCodec.h
+++ b/media/libstagefright/include/media/stagefright/MediaCodec.h
@@ -36,6 +36,7 @@
 struct AMessage;
 struct AReplyToken;
 struct AString;
+struct BatteryChecker;
 class BufferChannelBase;
 struct CodecBase;
 class IBatteryStats;
@@ -257,6 +258,7 @@
         kWhatSetCallback                    = 'setC',
         kWhatSetNotification                = 'setN',
         kWhatDrmReleaseCrypto               = 'rDrm',
+        kWhatCheckBatteryStats              = 'chkB',
     };
 
     enum {
@@ -283,7 +285,7 @@
     };
 
     struct ResourceManagerServiceProxy : public IBinder::DeathRecipient {
-        ResourceManagerServiceProxy(pid_t pid);
+        ResourceManagerServiceProxy(pid_t pid, uid_t uid);
         ~ResourceManagerServiceProxy();
 
         void init();
@@ -296,7 +298,11 @@
                 const sp<IResourceManagerClient> &client,
                 const Vector<MediaResource> &resources);
 
-        void removeResource(int64_t clientId);
+        void removeResource(
+                int64_t clientId,
+                const Vector<MediaResource> &resources);
+
+        void removeClient(int64_t clientId);
 
         bool reclaimResource(const Vector<MediaResource> &resources);
 
@@ -304,6 +310,7 @@
         Mutex mLock;
         sp<IResourceManagerService> mService;
         pid_t mPid;
+        uid_t mUid;
     };
 
     State mState;
@@ -335,7 +342,6 @@
     sp<IResourceManagerClient> mResourceManagerClient;
     sp<ResourceManagerServiceProxy> mResourceManagerService;
 
-    bool mBatteryStatNotified;
     bool mIsVideo;
     int32_t mVideoWidth;
     int32_t mVideoHeight;
@@ -425,11 +431,11 @@
     status_t onSetParameters(const sp<AMessage> &params);
 
     status_t amendOutputFormatWithCodecSpecificData(const sp<MediaCodecBuffer> &buffer);
-    void updateBatteryStat();
     bool isExecuting() const;
 
     uint64_t getGraphicBufferSize();
     void addResource(MediaResource::Type type, MediaResource::SubType subtype, uint64_t value);
+    void removeResource(MediaResource::Type type, MediaResource::SubType subtype, uint64_t value);
     void requestCpuBoostIfNeeded();
 
     bool hasPendingBuffer(int portIndex);
@@ -458,6 +464,8 @@
     Mutex mLatencyLock;
     int64_t mLatencyUnknown;    // buffers for which we couldn't calculate latency
 
+    sp<BatteryChecker> mBatteryChecker;
+
     void statsBufferSent(int64_t presentationUs);
     void statsBufferReceived(int64_t presentationUs);
 
diff --git a/media/libstagefright/include/media/stagefright/MediaWriter.h b/media/libstagefright/include/media/stagefright/MediaWriter.h
index 2c12a87..972ae1d 100644
--- a/media/libstagefright/include/media/stagefright/MediaWriter.h
+++ b/media/libstagefright/include/media/stagefright/MediaWriter.h
@@ -35,6 +35,10 @@
     virtual status_t start(MetaData *params = NULL) = 0;
     virtual status_t stop() = 0;
     virtual status_t pause() = 0;
+    virtual status_t setCaptureRate(float /* captureFps */) {
+        ALOGW("setCaptureRate unsupported");
+        return ERROR_UNSUPPORTED;
+    }
 
     virtual void setMaxFileSize(int64_t bytes) { mMaxFileSizeLimitBytes = bytes; }
     virtual void setMaxFileDuration(int64_t durationUs) { mMaxFileDurationLimitUs = durationUs; }
diff --git a/media/libstagefright/rtsp/AMPEG4ElementaryAssembler.cpp b/media/libstagefright/rtsp/AMPEG4ElementaryAssembler.cpp
index 1e434cb..9df3508 100644
--- a/media/libstagefright/rtsp/AMPEG4ElementaryAssembler.cpp
+++ b/media/libstagefright/rtsp/AMPEG4ElementaryAssembler.cpp
@@ -338,6 +338,12 @@
             ABitReader bits(buffer->data() + offset, buffer->size() - offset);
 
             unsigned auxSize = bits.getBits(mAuxiliaryDataSizeLength);
+            if (buffer->size() < auxSize) {
+                ALOGE("b/123940919 auxSize %u", auxSize);
+                android_errorWriteLog(0x534e4554, "123940919");
+                queue->erase(queue->begin());
+                return MALFORMED_PACKET;
+            }
 
             offset += (mAuxiliaryDataSizeLength + auxSize + 7) / 8;
         }
@@ -346,6 +352,12 @@
              it != headers.end(); ++it) {
             const AUHeader &header = *it;
 
+            if (buffer->size() < header.mSize) {
+                ALOGE("b/123940919 AU_size %u", header.mSize);
+                android_errorWriteLog(0x534e4554, "123940919");
+                queue->erase(queue->begin());
+                return MALFORMED_PACKET;
+            }
             if (buffer->size() < offset + header.mSize) {
                 return MALFORMED_PACKET;
             }
diff --git a/media/libstagefright/tests/Android.bp b/media/libstagefright/tests/Android.bp
index be10fdc..a7f94c1 100644
--- a/media/libstagefright/tests/Android.bp
+++ b/media/libstagefright/tests/Android.bp
@@ -27,3 +27,21 @@
         "-Wall",
     ],
 }
+
+cc_test {
+    name: "BatteryChecker_test",
+    srcs: ["BatteryChecker_test.cpp"],
+    test_suites: ["device-tests"],
+
+    shared_libs: [
+        "libstagefright",
+        "libstagefright_foundation",
+        "libutils",
+        "liblog",
+    ],
+
+    cflags: [
+        "-Werror",
+        "-Wall",
+    ],
+}
\ No newline at end of file
diff --git a/media/libstagefright/tests/BatteryChecker_test.cpp b/media/libstagefright/tests/BatteryChecker_test.cpp
new file mode 100644
index 0000000..0c5ee9b
--- /dev/null
+++ b/media/libstagefright/tests/BatteryChecker_test.cpp
@@ -0,0 +1,242 @@
+/*
+ * Copyright 2019 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 "BatteryChecker_test"
+#include <utils/Log.h>
+
+#include <gtest/gtest.h>
+
+#include <media/stagefright/BatteryChecker.h>
+#include <media/stagefright/foundation/ADebug.h>
+#include <media/stagefright/foundation/AHandler.h>
+
+#include <vector>
+
+namespace android {
+
+static const int kBatteryTimeoutUs = 1000000ll; // 1 seconds
+static const int kTestMarginUs = 50000ll; // 50ms
+static const int kWaitStatusChangeUs = kBatteryTimeoutUs + kTestMarginUs;
+static const int kSparseFrameIntervalUs = kBatteryTimeoutUs - kTestMarginUs;
+
+class BatteryCheckerTestHandler : public AHandler {
+    enum EventType {
+        // Events simulating MediaCodec
+        kWhatStart = 0,             // codec entering executing state
+        kWhatStop,                  // codec exiting executing state
+        kWhatActivity,        // codec queue input or dequeue output
+        kWhatReleased,     // codec released
+        kWhatCheckpoint,        // test checkpoing with expected values on On/Off
+
+        // Message for battery checker monitor (not for testing through runTest())
+        kWhatBatteryChecker,
+    };
+
+    struct Operation {
+        int32_t event;
+        int64_t delay = 0;
+        uint32_t repeatCount = 0;
+        int32_t expectedOnCounter = 0;
+        int32_t expectedOffCounter = 0;
+    };
+
+    std::vector<Operation> mOps;
+    sp<BatteryChecker> mBatteryChecker;
+    int32_t mOnCounter;
+    int32_t mOffCounter;
+    Condition mDone;
+    Mutex mLock;
+
+    BatteryCheckerTestHandler() : mOnCounter(0), mOffCounter(0) {}
+
+    void runTest(const std::vector<Operation> &ops, int64_t timeoutUs) {
+        mOps = ops;
+
+        mBatteryChecker = new BatteryChecker(
+                new AMessage(kWhatBatteryChecker, this), kBatteryTimeoutUs);
+
+        (new AMessage(ops[0].event, this))->post();
+
+        // wait for done
+        AutoMutex lock(mLock);
+        EXPECT_NE(TIMED_OUT, mDone.waitRelative(mLock, timeoutUs * 1000ll));
+    }
+
+    virtual void onMessageReceived(const sp<AMessage> &msg);
+
+    friend class BatteryCheckerTest;
+};
+
+class BatteryCheckerTest : public ::testing::Test {
+public:
+    BatteryCheckerTest()
+        : mLooper(new ALooper)
+        , mHandler(new BatteryCheckerTestHandler()) {
+        mLooper->setName("BatterCheckerLooper");
+        mLooper->start(false, false, ANDROID_PRIORITY_AUDIO);
+        mLooper->registerHandler(mHandler);
+    }
+
+protected:
+    using EventType = BatteryCheckerTestHandler::EventType;
+    using Operation = BatteryCheckerTestHandler::Operation;
+
+    virtual ~BatteryCheckerTest() {
+        mLooper->stop();
+        mLooper->unregisterHandler(mHandler->id());
+    }
+
+    void runTest(const std::vector<Operation> &ops, int64_t timeoutUs) {
+        mHandler->runTest(ops, timeoutUs);
+    }
+
+    sp<ALooper> mLooper;
+    sp<BatteryCheckerTestHandler> mHandler;
+};
+
+void BatteryCheckerTestHandler::onMessageReceived(const sp<AMessage> &msg) {
+    switch(msg->what()) {
+    case kWhatStart:
+        mBatteryChecker->setExecuting(true);
+        break;
+    case kWhatStop:
+        mBatteryChecker->setExecuting(false);
+        break;
+    case kWhatActivity:
+        mBatteryChecker->onCodecActivity([this] () { mOnCounter++; });
+        break;
+    case kWhatReleased:
+        mBatteryChecker->onClientRemoved();
+        break;
+    case kWhatBatteryChecker:
+        mBatteryChecker->onCheckBatteryTimer(msg, [this] () { mOffCounter++;  });
+        break;
+    case kWhatCheckpoint:
+        // verify ON/OFF state and total events
+        EXPECT_EQ(mOnCounter, mOps[0].expectedOnCounter);
+        EXPECT_EQ(mOffCounter, mOps[0].expectedOffCounter);
+        break;
+    default:
+        TRESPASS();
+    }
+    if (msg->what() != kWhatBatteryChecker) {
+        EXPECT_EQ(msg->what(), mOps[0].event);
+        // post next message
+        if (!mOps[0].repeatCount) {
+            mOps.erase(mOps.begin());
+        } else {
+            mOps[0].repeatCount--;
+        }
+        int64_t duration = mOps[0].delay;
+        if (!mOps.empty()) {
+            (new AMessage(mOps[0].event, this))->post(duration);
+        } else {
+            AutoMutex lock(mLock);
+            mDone.signal();
+        }
+    }
+}
+
+TEST_F(BatteryCheckerTest, testNormalOperations) {
+    runTest({
+        {EventType::kWhatStart,        0ll},
+        {EventType::kWhatCheckpoint,   0ll, 0, 0, 0},
+        {EventType::kWhatActivity,     33333ll},
+        {EventType::kWhatCheckpoint,   0ll, 0, 1, 0},                 // ON
+        {EventType::kWhatActivity,     33333ll, 2*kWaitStatusChangeUs/33333ll},
+        {EventType::kWhatCheckpoint,   0ll, 0, 1, 0},
+        {EventType::kWhatCheckpoint,   kWaitStatusChangeUs, 0, 1, 1}, // OFF
+    }, 10000000ll);
+}
+
+TEST_F(BatteryCheckerTest, testPauseResume) {
+    runTest({
+        {EventType::kWhatStart,        0ll},
+        {EventType::kWhatCheckpoint,   0ll, 0, 0, 0},
+        {EventType::kWhatActivity,     33333ll},
+        {EventType::kWhatCheckpoint,   0ll, 0, 1, 0},                 // ON
+        {EventType::kWhatCheckpoint,   kWaitStatusChangeUs, 0, 1, 1}, // OFF
+        {EventType::kWhatActivity,     33333ll},
+        {EventType::kWhatCheckpoint,   0ll, 0, 2, 1},                 // ON
+        {EventType::kWhatCheckpoint,   kWaitStatusChangeUs, 0, 2, 2}, // OFF
+    }, 10000000ll);
+}
+
+TEST_F(BatteryCheckerTest, testClientRemovedAndRestart) {
+    runTest({
+        {EventType::kWhatStart,        0ll},
+        {EventType::kWhatActivity,     33333ll, kWaitStatusChangeUs/33333ll},
+        {EventType::kWhatCheckpoint,   0ll, 0, 1, 0},
+
+        // stop executing state itself shouldn't trigger any calls
+        {EventType::kWhatStop,         0ll},
+        {EventType::kWhatCheckpoint,   0ll, 0, 1, 0},
+
+        // release shouldn't trigger any calls either,
+        // client resource will be removed entirely
+        {EventType::kWhatReleased,     0ll},
+        {EventType::kWhatCheckpoint,   0ll, 0, 1, 0},
+        {EventType::kWhatCheckpoint,   kWaitStatusChangeUs, 0, 1, 0},
+
+        // start pushing buffers again, On should be received without any Off
+        {EventType::kWhatStart,        0ll},
+        {EventType::kWhatActivity,     33333ll},
+        {EventType::kWhatCheckpoint,   0ll, 0, 2, 0},
+
+        // double check that only new checker msg triggers OFF,
+        // left-over checker msg from stale generate discarded
+        {EventType::kWhatCheckpoint,   kWaitStatusChangeUs, 0, 2, 1},
+    }, 10000000ll);
+}
+
+TEST_F(BatteryCheckerTest, testActivityWhileNotExecuting) {
+    runTest({
+        // activity before start shouldn't trigger
+        {EventType::kWhatActivity,     0ll},
+        {EventType::kWhatCheckpoint,   0ll, 0, 0, 0},
+
+        {EventType::kWhatStart,        0ll},
+        {EventType::kWhatCheckpoint,   0ll, 0, 0, 0},
+
+        // activity after start before stop should trigger
+        {EventType::kWhatActivity,     33333ll},
+        {EventType::kWhatCheckpoint,   0ll, 0, 1, 0},
+
+        // stop executing state itself shouldn't trigger any calls
+        {EventType::kWhatStop,         0ll},
+        {EventType::kWhatCheckpoint,   0ll, 0, 1, 0},
+
+        // keep pushing another 3 seconds after stop, expected to OFF
+        {EventType::kWhatActivity,     33333ll, kWaitStatusChangeUs/33333ll},
+        {EventType::kWhatCheckpoint,   0ll, 0, 1, 1},
+    }, 10000000ll);
+}
+
+TEST_F(BatteryCheckerTest, testSparseActivity) {
+    runTest({
+        {EventType::kWhatStart,        0ll},
+        {EventType::kWhatCheckpoint,   0ll, 0, 0, 0},
+
+        // activity arrives sparsely with interval only slightly small than timeout
+        // should only trigger 1 ON
+        {EventType::kWhatActivity,     kSparseFrameIntervalUs, 2},
+        {EventType::kWhatCheckpoint,   0ll, 0, 1, 0},
+        {EventType::kWhatCheckpoint,   kSparseFrameIntervalUs, 0, 1, 0},
+        {EventType::kWhatCheckpoint,   kTestMarginUs, 0, 1, 1}, // OFF
+    }, 10000000ll);
+}
+} // namespace android
diff --git a/media/libstagefright/timedtext/TextDescriptions2.cpp b/media/libstagefright/timedtext/TextDescriptions2.cpp
index fd42d3a..f48eacc 100644
--- a/media/libstagefright/timedtext/TextDescriptions2.cpp
+++ b/media/libstagefright/timedtext/TextDescriptions2.cpp
@@ -145,7 +145,7 @@
         tmpData += 8;
         size_t remaining = size - 8;
 
-        if (chunkSize <= 8 || size < chunkSize) {
+        if (size < chunkSize) {
             return OK;
         }
         switch(chunkType) {
diff --git a/media/libwatchdog/Android.bp b/media/libwatchdog/Android.bp
new file mode 100644
index 0000000..2bdf172
--- /dev/null
+++ b/media/libwatchdog/Android.bp
@@ -0,0 +1,35 @@
+// Copyright 2020 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.
+
+cc_library {
+    name: "libwatchdog",
+    srcs: [
+        "Watchdog.cpp",
+    ],
+    export_include_dirs: ["include"],
+    shared_libs: [
+        "liblog",
+    ],
+    static_libs: [
+        "libbase",
+    ],
+    target: {
+        windows: {
+            enabled: false,
+        },
+        darwin: {
+            enabled: false,
+        },
+    },
+}
diff --git a/media/libwatchdog/Watchdog.cpp b/media/libwatchdog/Watchdog.cpp
new file mode 100644
index 0000000..bb012b9
--- /dev/null
+++ b/media/libwatchdog/Watchdog.cpp
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2020 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 "Watchdog"
+
+#include <watchdog/Watchdog.h>
+
+#include <android-base/logging.h>
+#include <android-base/threads.h>
+#include <signal.h>
+#include <time.h>
+#include <cstring>
+#include <utils/Log.h>
+
+namespace android {
+
+Watchdog::Watchdog(::std::chrono::steady_clock::duration timeout) {
+    // Create the timer.
+    struct sigevent sev;
+    sev.sigev_notify = SIGEV_THREAD_ID;
+    sev.sigev_notify_thread_id = base::GetThreadId();
+    sev.sigev_signo = SIGABRT;
+    sev.sigev_value.sival_ptr = &mTimerId;
+    int err = timer_create(CLOCK_MONOTONIC, &sev, &mTimerId);
+    if (err != 0) {
+        PLOG(FATAL) << "Failed to create timer";
+    }
+
+    // Start the timer.
+    struct itimerspec spec;
+    memset(&spec, 0, sizeof(spec));
+    auto ns = std::chrono::duration_cast<std::chrono::nanoseconds>(timeout);
+    LOG_ALWAYS_FATAL_IF(timeout.count() <= 0, "Duration must be positive");
+    spec.it_value.tv_sec = ns.count() / 1000000000;
+    spec.it_value.tv_nsec = ns.count() % 1000000000;
+    err = timer_settime(mTimerId, 0, &spec, nullptr);
+    if (err != 0) {
+        PLOG(FATAL) << "Failed to start timer";
+    }
+}
+
+Watchdog::~Watchdog() {
+    // Delete the timer.
+    int err = timer_delete(mTimerId);
+    if (err != 0) {
+        PLOG(FATAL) << "Failed to delete timer";
+    }
+}
+
+}  // namespace android
diff --git a/media/libwatchdog/include/watchdog/Watchdog.h b/media/libwatchdog/include/watchdog/Watchdog.h
new file mode 100644
index 0000000..2819f8a
--- /dev/null
+++ b/media/libwatchdog/include/watchdog/Watchdog.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2020 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_WATCHDOG_H
+#define ANDROID_WATCHDOG_H
+
+#include <chrono>
+#include <time.h>
+
+namespace android {
+
+/*
+ * An RAII-style object, which would crash the process if a timeout expires
+ * before the object is destroyed.
+ * The calling thread would be sent a SIGABORT, which would typically result in
+ * a stack trace.
+ *
+ * Sample usage:
+ * {
+ *     Watchdog watchdog(std::chrono::milliseconds(10));
+ *     DoSomething();
+ * }
+ * // If we got here, the function completed in time.
+ */
+class Watchdog final {
+public:
+    Watchdog(std::chrono::steady_clock::duration timeout);
+    ~Watchdog();
+
+private:
+    timer_t mTimerId;
+};
+
+}  // namespace android
+
+#endif  // ANDROID_WATCHDOG_H
diff --git a/media/mtp/MtpServer.cpp b/media/mtp/MtpServer.cpp
index ca8cb78..dd69496 100644
--- a/media/mtp/MtpServer.cpp
+++ b/media/mtp/MtpServer.cpp
@@ -44,6 +44,7 @@
 #include "MtpStringBuffer.h"
 
 namespace android {
+static const int SN_EVENT_LOG_ID = 0x534e4554;
 
 static const MtpOperationCode kSupportedOperationCodes[] = {
     MTP_OPERATION_GET_DEVICE_INFO,
@@ -961,6 +962,17 @@
     if (!parseDateTime(modified, modifiedTime))
         modifiedTime = 0;
 
+    if ((strcmp(name, ".") == 0) || (strcmp(name, "..") == 0) ||
+        (strchr(name, '/') != NULL)) {
+        char errMsg[80];
+
+        snprintf(errMsg, sizeof(errMsg), "Invalid name: %s", (const char *) name);
+        ALOGE("%s (b/130656917)", errMsg);
+        android_errorWriteWithInfoLog(SN_EVENT_LOG_ID, "130656917", -1, errMsg,
+                                      strlen(errMsg));
+
+        return MTP_RESPONSE_INVALID_PARAMETER;
+    }
     if (path[path.size() - 1] != '/')
         path.append("/");
     path.append(name);
diff --git a/media/ndk/Android.bp b/media/ndk/Android.bp
index a3cabd8..9c7a630 100644
--- a/media/ndk/Android.bp
+++ b/media/ndk/Android.bp
@@ -110,10 +110,6 @@
         symbol_file: "libmediandk.map.txt",
         versions: ["29"],
     },
-
-    // Bug: http://b/124522995 libmediandk has linker errors when built with
-    // coverage
-    native_coverage: false,
 }
 
 llndk_library {
diff --git a/media/ndk/NdkImage.cpp b/media/ndk/NdkImage.cpp
index 1883f63..1145b7b 100644
--- a/media/ndk/NdkImage.cpp
+++ b/media/ndk/NdkImage.cpp
@@ -35,6 +35,7 @@
         int64_t timestamp, int32_t width, int32_t height, int32_t numPlanes) :
         mReader(reader), mFormat(format), mUsage(usage), mBuffer(buffer), mLockedBuffer(nullptr),
         mTimestamp(timestamp), mWidth(width), mHeight(height), mNumPlanes(numPlanes) {
+    LOG_FATAL_IF(reader == nullptr, "AImageReader shouldn't be null while creating AImage");
 }
 
 AImage::~AImage() {
@@ -57,14 +58,9 @@
     if (mIsClosed) {
         return;
     }
-    sp<AImageReader> reader = mReader.promote();
-    if (reader != nullptr) {
-        reader->releaseImageLocked(this, releaseFenceFd);
-    } else if (mBuffer != nullptr) {
-        LOG_ALWAYS_FATAL("%s: parent AImageReader closed without releasing image %p",
-                __FUNCTION__, this);
+    if (!mReader->mIsClosed) {
+        mReader->releaseImageLocked(this, releaseFenceFd);
     }
-
     // Should have been set to nullptr in releaseImageLocked
     // Set to nullptr here for extra safety only
     mBuffer = nullptr;
@@ -83,22 +79,12 @@
 
 void
 AImage::lockReader() const {
-    sp<AImageReader> reader = mReader.promote();
-    if (reader == nullptr) {
-        // Reader has been closed
-        return;
-    }
-    reader->mLock.lock();
+    mReader->mLock.lock();
 }
 
 void
 AImage::unlockReader() const {
-    sp<AImageReader> reader = mReader.promote();
-    if (reader == nullptr) {
-        // Reader has been closed
-        return;
-    }
-    reader->mLock.unlock();
+    mReader->mLock.unlock();
 }
 
 media_status_t
diff --git a/media/ndk/NdkImagePriv.h b/media/ndk/NdkImagePriv.h
index e0f16da..0e8cbcb 100644
--- a/media/ndk/NdkImagePriv.h
+++ b/media/ndk/NdkImagePriv.h
@@ -72,7 +72,7 @@
     uint32_t getJpegSize() const;
 
     // When reader is close, AImage will only accept close API call
-    wp<AImageReader>           mReader;
+    const sp<AImageReader>     mReader;
     const int32_t              mFormat;
     const uint64_t             mUsage;  // AHARDWAREBUFFER_USAGE_* flags.
     BufferItem*                mBuffer;
diff --git a/media/ndk/NdkImageReader.cpp b/media/ndk/NdkImageReader.cpp
index baa4fc7..c0ceb3d 100644
--- a/media/ndk/NdkImageReader.cpp
+++ b/media/ndk/NdkImageReader.cpp
@@ -113,12 +113,12 @@
 
 void
 AImageReader::FrameListener::onFrameAvailable(const BufferItem& /*item*/) {
-    Mutex::Autolock _l(mLock);
     sp<AImageReader> reader = mReader.promote();
     if (reader == nullptr) {
         ALOGW("A frame is available after AImageReader closed!");
         return; // reader has been closed
     }
+    Mutex::Autolock _l(mLock);
     if (mListener.onImageAvailable == nullptr) {
         return; // No callback registered
     }
@@ -143,12 +143,12 @@
 
 void
 AImageReader::BufferRemovedListener::onBufferFreed(const wp<GraphicBuffer>& graphicBuffer) {
-    Mutex::Autolock _l(mLock);
     sp<AImageReader> reader = mReader.promote();
     if (reader == nullptr) {
         ALOGW("A frame is available after AImageReader closed!");
         return; // reader has been closed
     }
+    Mutex::Autolock _l(mLock);
     if (mListener.onBufferRemoved == nullptr) {
         return; // No callback registered
     }
@@ -272,6 +272,11 @@
       mFrameListener(new FrameListener(this)),
       mBufferRemovedListener(new BufferRemovedListener(this)) {}
 
+AImageReader::~AImageReader() {
+    Mutex::Autolock _l(mLock);
+    LOG_FATAL_IF("AImageReader not closed before destruction", mIsClosed != true);
+}
+
 media_status_t
 AImageReader::init() {
     PublicFormat publicFormat = static_cast<PublicFormat>(mFormat);
@@ -347,8 +352,12 @@
     return AMEDIA_OK;
 }
 
-AImageReader::~AImageReader() {
+void AImageReader::close() {
     Mutex::Autolock _l(mLock);
+    if (mIsClosed) {
+        return;
+    }
+    mIsClosed = true;
     AImageReader_ImageListener nullListener = {nullptr, nullptr};
     setImageListenerLocked(&nullListener);
 
@@ -741,6 +750,7 @@
 void AImageReader_delete(AImageReader* reader) {
     ALOGV("%s", __FUNCTION__);
     if (reader != nullptr) {
+        reader->close();
         reader->decStrong((void*) AImageReader_delete);
     }
     return;
diff --git a/media/ndk/NdkImageReaderPriv.h b/media/ndk/NdkImageReaderPriv.h
index e328cb1..0779a71 100644
--- a/media/ndk/NdkImageReaderPriv.h
+++ b/media/ndk/NdkImageReaderPriv.h
@@ -76,6 +76,7 @@
     int32_t        getHeight()    const { return mHeight; };
     int32_t        getFormat()    const { return mFormat; };
     int32_t        getMaxImages() const { return mMaxImages; };
+    void           close();
 
   private:
 
@@ -134,7 +135,7 @@
 
       private:
         AImageReader_ImageListener mListener = {nullptr, nullptr};
-        wp<AImageReader>           mReader;
+        const wp<AImageReader>     mReader;
         Mutex                      mLock;
     };
     sp<FrameListener> mFrameListener;
@@ -149,7 +150,7 @@
 
        private:
         AImageReader_BufferRemovedListener mListener = {nullptr, nullptr};
-        wp<AImageReader>           mReader;
+        const wp<AImageReader>     mReader;
         Mutex                      mLock;
     };
     sp<BufferRemovedListener> mBufferRemovedListener;
@@ -165,6 +166,7 @@
     native_handle_t*           mWindowHandle = nullptr;
 
     List<AImage*>              mAcquiredImages;
+    bool                       mIsClosed = false;
 
     Mutex                      mLock;
 };
diff --git a/media/ndk/NdkMediaCodec.cpp b/media/ndk/NdkMediaCodec.cpp
index c23f19b..e041533 100644
--- a/media/ndk/NdkMediaCodec.cpp
+++ b/media/ndk/NdkMediaCodec.cpp
@@ -221,7 +221,13 @@
                          break;
                      }
 
-                     AMediaFormat *aMediaFormat = AMediaFormat_fromMsg(&format);
+                     // Here format is MediaCodec's internal copy of output format.
+                     // Make a copy since the client might modify it.
+                     sp<AMessage> copy;
+                     if (format != nullptr) {
+                         copy = format->dup();
+                     }
+                     AMediaFormat *aMediaFormat = AMediaFormat_fromMsg(&copy);
 
                      Mutex::Autolock _l(mCodec->mAsyncCallbackLock);
                      if (mCodec->mAsyncCallbackUserData != NULL
diff --git a/media/ndk/NdkMediaDrm.cpp b/media/ndk/NdkMediaDrm.cpp
index 85dbffe..cd5a23a 100644
--- a/media/ndk/NdkMediaDrm.cpp
+++ b/media/ndk/NdkMediaDrm.cpp
@@ -89,7 +89,7 @@
 };
 
 void DrmListener::notify(DrmPlugin::EventType eventType, int extra, const Parcel *obj) {
-    if (!mEventListener && !mExpirationUpdateListener && !mKeysChangeListener) {
+    if (!mEventListener || !mExpirationUpdateListener || !mKeysChangeListener) {
         ALOGE("No listeners are specified");
         return;
     }
diff --git a/media/utils/Android.bp b/media/utils/Android.bp
index 3adb40f..e2cd4e3 100644
--- a/media/utils/Android.bp
+++ b/media/utils/Android.bp
@@ -27,6 +27,7 @@
     ],
     shared_libs: [
         "libbinder",
+        "libcutils",
         "liblog",
         "libutils",
         "libmemunreachable",
diff --git a/media/utils/ServiceUtilities.cpp b/media/utils/ServiceUtilities.cpp
index b824212..bc8fff6 100644
--- a/media/utils/ServiceUtilities.cpp
+++ b/media/utils/ServiceUtilities.cpp
@@ -63,7 +63,10 @@
         uid_t uid, bool start) {
     // Okay to not track in app ops as audio server is us and if
     // device is rooted security model is considered compromised.
-    if (isAudioServerOrRootUid(uid)) return true;
+    // system_server loses its RECORD_AUDIO permission when a secondary
+    // user is active, but it is a core system service so let it through.
+    // TODO(b/141210120): UserManager.DISALLOW_RECORD_AUDIO should not affect system user 0
+    if (isAudioServerOrSystemServerOrRootUid(uid)) return true;
 
     // We specify a pid and uid here as mediaserver (aka MediaRecorder or StageFrightRecorder)
     // may open a record track on behalf of a client.  Note that pid may be a tid.
diff --git a/media/utils/TimeCheck.cpp b/media/utils/TimeCheck.cpp
index 59cf4ef..f16776f 100644
--- a/media/utils/TimeCheck.cpp
+++ b/media/utils/TimeCheck.cpp
@@ -82,10 +82,10 @@
         if (waitTimeNs > 0) {
             status = mCond.waitRelative(mMutex, waitTimeNs);
         }
-    }
-    if (status != NO_ERROR) {
-        LOG_EVENT_STRING(LOGTAG_AUDIO_BINDER_TIMEOUT, tag);
-        LOG_ALWAYS_FATAL("TimeCheck timeout for %s", tag);
+        if (status != NO_ERROR) {
+            LOG_EVENT_STRING(LOGTAG_AUDIO_BINDER_TIMEOUT, tag);
+            LOG_ALWAYS_FATAL("TimeCheck timeout for %s", tag);
+        }
     }
     return true;
 }
diff --git a/media/utils/include/mediautils/ServiceUtilities.h b/media/utils/include/mediautils/ServiceUtilities.h
index 2a6e609..e1089d5 100644
--- a/media/utils/include/mediautils/ServiceUtilities.h
+++ b/media/utils/include/mediautils/ServiceUtilities.h
@@ -58,6 +58,12 @@
     return multiuser_get_app_id(uid) == AID_SYSTEM || uid == AID_AUDIOSERVER;
 }
 
+// used for calls that should come from system_server or audio_server and
+// include AID_ROOT for command-line tests.
+static inline bool isAudioServerOrSystemServerOrRootUid(uid_t uid) {
+    return multiuser_get_app_id(uid) == AID_SYSTEM || uid == AID_AUDIOSERVER || uid == AID_ROOT;
+}
+
 // Mediaserver may forward the client PID and UID as part of a binder interface call;
 // otherwise the calling UID must be equal to the client UID.
 static inline bool isAudioServerOrMediaServerUid(uid_t uid) {
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index d38190d..8bbdc69 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -810,7 +810,33 @@
                     continue;
                 }
 
-                size_t frameCount = std::lcm(thread->frameCount(), secondaryThread->frameCount());
+                size_t sourceFrameCount = thread->frameCount() * output.sampleRate
+                                          / thread->sampleRate();
+                size_t sinkFrameCount = secondaryThread->frameCount() * output.sampleRate
+                                          / secondaryThread->sampleRate();
+                // If the secondary output has just been opened, the first secondaryThread write
+                // will not block as it will fill the empty startup buffer of the HAL,
+                // so a second sink buffer needs to be ready for the immediate next blocking write.
+                // Additionally, have a margin of one main thread buffer as the scheduling jitter
+                // can reorder the writes (eg if thread A&B have the same write intervale,
+                // the scheduler could schedule AB...BA)
+                size_t frameCountToBeReady = 2 * sinkFrameCount + sourceFrameCount;
+                // Total secondary output buffer must be at least as the read frames plus
+                // the margin of a few buffers on both sides in case the
+                // threads scheduling has some jitter.
+                // That value should not impact latency as the secondary track is started before
+                // its buffer is full, see frameCountToBeReady.
+                size_t frameCount = frameCountToBeReady + 2 * (sourceFrameCount + sinkFrameCount);
+                // The frameCount should also not be smaller than the secondary thread min frame
+                // count
+                size_t minFrameCount = AudioSystem::calculateMinFrameCount(
+                            [&] { Mutex::Autolock _l(secondaryThread->mLock);
+                                  return secondaryThread->latency_l(); }(),
+                            secondaryThread->mNormalFrameCount,
+                            secondaryThread->mSampleRate,
+                            output.sampleRate,
+                            input.speed);
+                frameCount = std::max(frameCount, minFrameCount);
 
                 using namespace std::chrono_literals;
                 auto inChannelMask = audio_channel_mask_out_to_in(input.config.channel_mask);
@@ -843,7 +869,8 @@
                                                                patchRecord->buffer(),
                                                                patchRecord->bufferSize(),
                                                                outputFlags,
-                                                               0ns /* timeout */);
+                                                               0ns /* timeout */,
+                                                               frameCountToBeReady);
                 status = patchTrack->initCheck();
                 if (status != NO_ERROR) {
                     ALOGE("Secondary output patchTrack init failed: %d", status);
diff --git a/services/audioflinger/Effects.cpp b/services/audioflinger/Effects.cpp
index 3c4fbba..13152d0 100644
--- a/services/audioflinger/Effects.cpp
+++ b/services/audioflinger/Effects.cpp
@@ -24,6 +24,7 @@
 #include "Configuration.h"
 #include <utils/Log.h>
 #include <system/audio_effects/effect_aec.h>
+#include <system/audio_effects/effect_dynamicsprocessing.h>
 #include <system/audio_effects/effect_ns.h>
 #include <system/audio_effects/effect_visualizer.h>
 #include <audio_utils/channels.h>
@@ -2569,7 +2570,8 @@
     if ((mSessionId == AUDIO_SESSION_OUTPUT_MIX) &&
         (((desc.flags & EFFECT_FLAG_TYPE_MASK) == EFFECT_FLAG_TYPE_AUXILIARY) ||
          (memcmp(&desc.type, SL_IID_VISUALIZATION, sizeof(effect_uuid_t)) == 0) ||
-         (memcmp(&desc.type, SL_IID_VOLUME, sizeof(effect_uuid_t)) == 0))) {
+         (memcmp(&desc.type, SL_IID_VOLUME, sizeof(effect_uuid_t)) == 0) ||
+         (memcmp(&desc.type, SL_IID_DYNAMICSPROCESSING, sizeof(effect_uuid_t)) == 0))) {
         return false;
     }
     return true;
diff --git a/services/audioflinger/PlaybackTracks.h b/services/audioflinger/PlaybackTracks.h
index a093893..17adba5 100644
--- a/services/audioflinger/PlaybackTracks.h
+++ b/services/audioflinger/PlaybackTracks.h
@@ -74,7 +74,10 @@
                                 uid_t uid,
                                 audio_output_flags_t flags,
                                 track_type type,
-                                audio_port_handle_t portId = AUDIO_PORT_HANDLE_NONE);
+                                audio_port_handle_t portId = AUDIO_PORT_HANDLE_NONE,
+                                /** default behaviour is to start when there are as many frames
+                                  * ready as possible (aka. Buffer is full). */
+                                size_t frameCountToBeReady = SIZE_MAX);
     virtual             ~Track();
     virtual status_t    initCheck() const;
 
@@ -263,6 +266,8 @@
     };
     sp<AudioVibrationController> mAudioVibrationController;
     sp<os::ExternalVibration>    mExternalVibration;
+    /** How many frames should be in the buffer before the track is considered ready */
+    const size_t        mFrameCountToBeReady;
 
 private:
     void                interceptBuffer(const AudioBufferProvider::Buffer& buffer);
@@ -384,7 +389,11 @@
                                    void *buffer,
                                    size_t bufferSize,
                                    audio_output_flags_t flags,
-                                   const Timeout& timeout = {});
+                                   const Timeout& timeout = {},
+                                   size_t frameCountToBeReady = 1 /** Default behaviour is to start
+                                                                    *  as soon as possible to have
+                                                                    *  the lowest possible latency
+                                                                    *  even if it might glitch. */);
     virtual             ~PatchTrack();
 
     virtual status_t    start(AudioSystem::sync_event_t event =
@@ -402,5 +411,4 @@
 
 private:
             void restartIfDisabled();
-
 };  // end of PatchTrack
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index 8732273..039e4f7 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -3956,6 +3956,32 @@
     return INVALID_OPERATION;
 }
 
+// For dedicated VoIP outputs, let the HAL apply the stream volume. Track volume is
+// still applied by the mixer.
+// All tracks attached to a mixer with flag VOIP_RX are tied to the same
+// stream type STREAM_VOICE_CALL so this will only change the HAL volume once even
+// if more than one track are active
+status_t AudioFlinger::PlaybackThread::handleVoipVolume_l(float *volume)
+{
+    status_t result = NO_ERROR;
+    if ((mOutput->flags & AUDIO_OUTPUT_FLAG_VOIP_RX) != 0) {
+        if (*volume != mLeftVolFloat) {
+            result = mOutput->stream->setVolume(*volume, *volume);
+            ALOGE_IF(result != OK,
+                     "Error when setting output stream volume: %d", result);
+            if (result == NO_ERROR) {
+                mLeftVolFloat = *volume;
+            }
+        }
+        // if stream volume was successfully sent to the HAL, mLeftVolFloat == v here and we
+        // remove stream volume contribution from software volume.
+        if (mLeftVolFloat == *volume) {
+            *volume = 1.0f;
+        }
+    }
+    return result;
+}
+
 status_t AudioFlinger::MixerThread::createAudioPatch_l(const struct audio_patch *patch,
                                                           audio_patch_handle_t *handle)
 {
@@ -4758,22 +4784,25 @@
                     // no acknowledgement required for newly active tracks
                 }
                 sp<AudioTrackServerProxy> proxy = track->mAudioTrackServerProxy;
+                float volume;
+                if (track->isPlaybackRestricted() || mStreamTypes[track->streamType()].mute) {
+                    volume = 0.f;
+                } else {
+                    volume = masterVolume * mStreamTypes[track->streamType()].volume;
+                }
+
+                handleVoipVolume_l(&volume);
+
                 // cache the combined master volume and stream type volume for fast mixer; this
                 // lacks any synchronization or barrier so VolumeProvider may read a stale value
                 const float vh = track->getVolumeHandler()->getVolume(
-                        proxy->framesReleased()).first;
-                float volume;
-                if (track->isPlaybackRestricted()) {
-                    volume = 0.f;
-                } else {
-                    volume = masterVolume
-                        * mStreamTypes[track->streamType()].volume
-                        * vh;
-                }
+                    proxy->framesReleased()).first;
+                volume *= vh;
                 track->mCachedVolume = volume;
                 gain_minifloat_packed_t vlr = proxy->getVolumeLR();
                 float vlf = volume * float_from_gain(gain_minifloat_unpack_left(vlr));
                 float vrf = volume * float_from_gain(gain_minifloat_unpack_right(vlr));
+
                 track->setFinalVolume((vlf + vrf) / 2.f);
                 ++fastTracks;
             } else {
@@ -4916,20 +4945,22 @@
             uint32_t vl, vr;       // in U8.24 integer format
             float vlf, vrf, vaf;   // in [0.0, 1.0] float format
             // read original volumes with volume control
-            float typeVolume = mStreamTypes[track->streamType()].volume;
-            float v = masterVolume * typeVolume;
+            float v = masterVolume * mStreamTypes[track->streamType()].volume;
             // Always fetch volumeshaper volume to ensure state is updated.
             const sp<AudioTrackServerProxy> proxy = track->mAudioTrackServerProxy;
             const float vh = track->getVolumeHandler()->getVolume(
                     track->mAudioTrackServerProxy->framesReleased()).first;
 
-            if (track->isPausing() || mStreamTypes[track->streamType()].mute
-                    || track->isPlaybackRestricted()) {
+            if (mStreamTypes[track->streamType()].mute || track->isPlaybackRestricted()) {
+                v = 0;
+            }
+
+            handleVoipVolume_l(&v);
+
+            if (track->isPausing()) {
                 vl = vr = 0;
                 vlf = vrf = vaf = 0.;
-                if (track->isPausing()) {
-                    track->setPaused();
-                }
+                track->setPaused();
             } else {
                 gain_minifloat_packed_t vlr = proxy->getVolumeLR();
                 vlf = float_from_gain(gain_minifloat_unpack_left(vlr));
@@ -4981,25 +5012,6 @@
                 track->mHasVolumeController = false;
             }
 
-            // For dedicated VoIP outputs, let the HAL apply the stream volume. Track volume is
-            // still applied by the mixer.
-            if ((mOutput->flags & AUDIO_OUTPUT_FLAG_VOIP_RX) != 0) {
-                v = mStreamTypes[track->streamType()].mute ? 0.0f : v;
-                if (v != mLeftVolFloat) {
-                    status_t result = mOutput->stream->setVolume(v, v);
-                    ALOGE_IF(result != OK, "Error when setting output stream volume: %d", result);
-                    if (result == OK) {
-                        mLeftVolFloat = v;
-                    }
-                }
-                // if stream volume was successfully sent to the HAL, mLeftVolFloat == v here and we
-                // remove stream volume contribution from software volume.
-                if (v != 0.0f && mLeftVolFloat == v) {
-                   vlf = min(1.0f, vlf / v);
-                   vrf = min(1.0f, vrf / v);
-                   vaf = min(1.0f, vaf / v);
-               }
-            }
             // XXX: these things DON'T need to be done each time
             mAudioMixer->setBufferProvider(trackId, track);
             mAudioMixer->enable(trackId);
diff --git a/services/audioflinger/Threads.h b/services/audioflinger/Threads.h
index c6a8201..87bebf3 100644
--- a/services/audioflinger/Threads.h
+++ b/services/audioflinger/Threads.h
@@ -747,6 +747,7 @@
                 // is safe to do so. That will drop the final ref count and destroy the tracks.
     virtual     mixer_state prepareTracks_l(Vector< sp<Track> > *tracksToRemove) = 0;
                 void        removeTracks_l(const Vector< sp<Track> >& tracksToRemove);
+                status_t    handleVoipVolume_l(float *volume);
 
     // StreamOutHalInterfaceCallback implementation
     virtual     void        onWriteReady();
diff --git a/services/audioflinger/Tracks.cpp b/services/audioflinger/Tracks.cpp
index 2a5a713..51e57b5 100644
--- a/services/audioflinger/Tracks.cpp
+++ b/services/audioflinger/Tracks.cpp
@@ -511,7 +511,8 @@
             uid_t uid,
             audio_output_flags_t flags,
             track_type type,
-            audio_port_handle_t portId)
+            audio_port_handle_t portId,
+            size_t frameCountToBeReady)
     :   TrackBase(thread, client, attr, sampleRate, format, channelMask, frameCount,
                   (sharedBuffer != 0) ? sharedBuffer->pointer() : buffer,
                   (sharedBuffer != 0) ? sharedBuffer->size() : bufferSize,
@@ -530,6 +531,7 @@
     mVolumeHandler(new media::VolumeHandler(sampleRate)),
     mOpPlayAudioMonitor(OpPlayAudioMonitor::createIfNeeded(uid, attr, id(), streamType)),
     // mSinkTimestamp
+    mFrameCountToBeReady(frameCountToBeReady),
     mFastIndex(-1),
     mCachedVolume(1.0),
     /* The track might not play immediately after being active, similarly as if its volume was 0.
@@ -837,7 +839,7 @@
     auto spent = ceil<std::chrono::microseconds>(std::chrono::steady_clock::now() - start);
     using namespace std::chrono_literals;
     // Average is ~20us per track, this should virtually never be logged (Logging takes >200us)
-    ALOGD_IF(spent > 200us, "%s: took %lldus to intercept %zu tracks", __func__,
+    ALOGD_IF(spent > 500us, "%s: took %lldus to intercept %zu tracks", __func__,
              spent.count(), mTeePatches.size());
 }
 
@@ -910,8 +912,12 @@
         return true;
     }
 
-    if (framesReady() >= mServerProxy->getBufferSizeInFrames() ||
-            (mCblk->mFlags & CBLK_FORCEREADY)) {
+    size_t bufferSizeInFrames = mServerProxy->getBufferSizeInFrames();
+    size_t framesToBeReady = std::min(mFrameCountToBeReady, bufferSizeInFrames);
+
+    if (framesReady() >= framesToBeReady || (mCblk->mFlags & CBLK_FORCEREADY)) {
+        ALOGV("%s(%d): consider track ready with %zu/%zu, target was %zu)",
+              __func__, mId, framesReady(), bufferSizeInFrames, framesToBeReady);
         mFillingUpStatus = FS_FILLED;
         android_atomic_and(~CBLK_FORCEREADY, &mCblk->mFlags);
         return true;
@@ -1413,6 +1419,7 @@
 
 void AudioFlinger::PlaybackThread::Track::disable()
 {
+    // TODO(b/142394888): the filling status should also be reset to filling
     signalClientFlag(CBLK_DISABLED);
 }
 
@@ -1790,12 +1797,14 @@
                                                      void *buffer,
                                                      size_t bufferSize,
                                                      audio_output_flags_t flags,
-                                                     const Timeout& timeout)
+                                                     const Timeout& timeout,
+                                                     size_t frameCountToBeReady)
     :   Track(playbackThread, NULL, streamType,
               audio_attributes_t{} /* currently unused for patch track */,
               sampleRate, format, channelMask, frameCount,
               buffer, bufferSize, nullptr /* sharedBuffer */,
-              AUDIO_SESSION_NONE, getpid(), AID_AUDIOSERVER, flags, TYPE_PATCH),
+              AUDIO_SESSION_NONE, getpid(), AID_AUDIOSERVER, flags, TYPE_PATCH,
+              AUDIO_PORT_HANDLE_NONE, frameCountToBeReady),
         PatchTrackBase(new ClientProxy(mCblk, mBuffer, frameCount, mFrameSize, true, true),
                        *playbackThread, timeout)
 {
@@ -1869,7 +1878,6 @@
 {
     mProxy->releaseBuffer(buffer);
     restartIfDisabled();
-    android_atomic_or(CBLK_FORCEREADY, &mCblk->mFlags);
 }
 
 void AudioFlinger::PlaybackThread::PatchTrack::restartIfDisabled()
diff --git a/services/audiopolicy/common/managerdefinitions/src/HwModule.cpp b/services/audiopolicy/common/managerdefinitions/src/HwModule.cpp
index 96a8337..1f9b725 100644
--- a/services/audiopolicy/common/managerdefinitions/src/HwModule.cpp
+++ b/services/audiopolicy/common/managerdefinitions/src/HwModule.cpp
@@ -333,9 +333,10 @@
             if (encodedFormat != AUDIO_FORMAT_DEFAULT) {
                 moduleDevice->setEncodedFormat(encodedFormat);
             }
-            moduleDevice->setAddress(devAddress);
             if (allowToCreate) {
                 moduleDevice->attach(hwModule);
+                moduleDevice->setAddress(devAddress);
+                moduleDevice->setName(String8(name));
             }
             return moduleDevice;
         }
diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
index 1d4dacd..a984b10 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
@@ -5535,7 +5535,10 @@
             patchBuilder.addSink(filteredDevice);
         }
 
-        installPatch(__func__, patchHandle, outputDesc.get(), patchBuilder.patch(), delayMs);
+        // Add half reported latency to delayMs when muteWaitMs is null in order
+        // to avoid disordered sequence of muting volume and changing devices.
+        installPatch(__func__, patchHandle, outputDesc.get(), patchBuilder.patch(),
+                muteWaitMs == 0 ? (delayMs + (outputDesc->latency() / 2)) : delayMs);
     }
 
     // update stream volumes according to new device
@@ -5690,8 +5693,9 @@
     const auto ringVolumeSrc = toVolumeSource(AUDIO_STREAM_RING);
     const auto musicVolumeSrc = toVolumeSource(AUDIO_STREAM_MUSIC);
     const auto alarmVolumeSrc = toVolumeSource(AUDIO_STREAM_ALARM);
+    const auto a11yVolumeSrc = toVolumeSource(AUDIO_STREAM_ACCESSIBILITY);
 
-    if (volumeSource == toVolumeSource(AUDIO_STREAM_ACCESSIBILITY)
+    if (volumeSource == a11yVolumeSrc
             && (AUDIO_MODE_RINGTONE == mEngine->getPhoneState()) &&
             mOutputs.isActive(ringVolumeSrc, 0)) {
         auto &ringCurves = getVolumeCurves(AUDIO_STREAM_RING);
@@ -5708,7 +5712,7 @@
              volumeSource == toVolumeSource(AUDIO_STREAM_NOTIFICATION) ||
              volumeSource == toVolumeSource(AUDIO_STREAM_ENFORCED_AUDIBLE) ||
              volumeSource == toVolumeSource(AUDIO_STREAM_DTMF) ||
-             volumeSource == toVolumeSource(AUDIO_STREAM_ACCESSIBILITY))) {
+             volumeSource == a11yVolumeSrc)) {
         auto &voiceCurves = getVolumeCurves(callVolumeSrc);
         int voiceVolumeIndex = voiceCurves.getVolumeIndex(device);
         const float maxVoiceVolDb =
@@ -5720,7 +5724,9 @@
         // VOICE_CALL stream has minVolumeIndex > 0 : Users cannot set the volume of voice calls to
         // 0. We don't want to cap volume when the system has programmatically muted the voice call
         // stream. See setVolumeCurveIndex() for more information.
-        bool exemptFromCapping = (volumeSource == ringVolumeSrc) && (voiceVolumeIndex == 0);
+        bool exemptFromCapping =
+                ((volumeSource == ringVolumeSrc) || (volumeSource == a11yVolumeSrc))
+                && (voiceVolumeIndex == 0);
         ALOGV_IF(exemptFromCapping, "%s volume source %d at vol=%f not capped", __func__,
                  volumeSource, volumeDb);
         if ((volumeDb > maxVoiceVolDb) && !exemptFromCapping) {
diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.h b/services/audiopolicy/managerdefault/AudioPolicyManager.h
index 612bd8f..dc548d6 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.h
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.h
@@ -346,7 +346,7 @@
         }
         virtual const DeviceVector getAvailableOutputDevices() const
         {
-            return mAvailableOutputDevices;
+            return mAvailableOutputDevices.filterForEngine();
         }
         virtual const DeviceVector getAvailableInputDevices() const
         {
diff --git a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
index fa8da89..20e1c9e 100644
--- a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
+++ b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
@@ -976,11 +976,6 @@
         ALOGV("%s() mAudioPolicyManager == NULL", __func__);
         return NO_INIT;
     }
-    uint_t callingUid = IPCThreadState::self()->getCallingUid();
-    if (uid != callingUid) {
-        ALOGD("%s() uid invalid %d != %d", __func__, uid, callingUid);
-        return PERMISSION_DENIED;
-    }
     return mAudioPolicyManager->setAllowedCapturePolicy(uid, capturePolicy);
 }
 
diff --git a/services/audiopolicy/service/AudioPolicyService.cpp b/services/audiopolicy/service/AudioPolicyService.cpp
index 77f7997..a6cda20 100644
--- a/services/audiopolicy/service/AudioPolicyService.cpp
+++ b/services/audiopolicy/service/AudioPolicyService.cpp
@@ -410,12 +410,17 @@
 //    Another client in the same UID has already been allowed to capture
 //    OR The client is the assistant
 //        AND an accessibility service is on TOP or a RTT call is active
-//               AND the source is VOICE_RECOGNITION or HOTWORD
-//        OR uses VOICE_RECOGNITION AND is on TOP
-//               OR uses HOTWORD
+//                AND the source is VOICE_RECOGNITION or HOTWORD
+//            OR uses VOICE_RECOGNITION AND is on TOP
+//                OR uses HOTWORD
 //            AND there is no active privacy sensitive capture or call
 //                OR client has CAPTURE_AUDIO_OUTPUT privileged permission
 //    OR The client is an accessibility service
+//        AND Is on TOP
+//                AND the source is VOICE_RECOGNITION or HOTWORD
+//            OR The assistant is not on TOP
+//                AND there is no active privacy sensitive capture or call
+//                    OR client has CAPTURE_AUDIO_OUTPUT privileged permission
 //        AND is on TOP
 //        AND the source is VOICE_RECOGNITION or HOTWORD
 //    OR the client source is virtual (remote submix, call audio TX or RX...)
@@ -423,7 +428,7 @@
 //        AND The assistant is not on TOP
 //        AND is on TOP or latest started
 //        AND there is no active privacy sensitive capture or call
-//                OR client has CAPTURE_AUDIO_OUTPUT privileged permission
+//            OR client has CAPTURE_AUDIO_OUTPUT privileged permission
 
     sp<AudioRecordClient> topActive;
     sp<AudioRecordClient> latestActive;
@@ -459,16 +464,24 @@
             continue;
         }
 
-        if (appState == APP_STATE_TOP) {
+        bool isAssistant = mUidPolicy->isAssistantUid(current->uid);
+        bool isAccessibility = mUidPolicy->isA11yUid(current->uid);
+        if (appState == APP_STATE_TOP && !isAccessibility) {
             if (current->startTimeNs > topStartNs) {
                 topActive = current;
                 topStartNs = current->startTimeNs;
             }
-            if (mUidPolicy->isAssistantUid(current->uid)) {
+            if (isAssistant) {
                 isAssistantOnTop = true;
             }
         }
-        if (current->startTimeNs > latestStartNs) {
+        // Assistant capturing for HOTWORD or Accessibility services not considered
+        // for latest active to avoid masking regular clients started before
+        if (current->startTimeNs > latestStartNs
+                && !((current->attributes.source == AUDIO_SOURCE_HOTWORD
+                        || isA11yOnTop || rttCallActive)
+                    && isAssistant)
+                && !isAccessibility) {
             latestActive = current;
             latestStartNs = current->startTimeNs;
         }
@@ -541,10 +554,20 @@
         } else if (mUidPolicy->isA11yUid(current->uid)) {
             // For accessibility service allow capture if:
             //     Is on TOP
-            //     AND the source is VOICE_RECOGNITION or HOTWORD
-            if (isA11yOnTop &&
-                    (source == AUDIO_SOURCE_VOICE_RECOGNITION || source == AUDIO_SOURCE_HOTWORD)) {
-                allowCapture = true;
+            //          AND the source is VOICE_RECOGNITION or HOTWORD
+            //     Or
+            //          The assistant is not on TOP
+            //          AND there is no active privacy sensitive capture or call
+            //             OR client has CAPTURE_AUDIO_OUTPUT privileged permission
+            if (isA11yOnTop) {
+                if (source == AUDIO_SOURCE_VOICE_RECOGNITION || source == AUDIO_SOURCE_HOTWORD) {
+                    allowCapture = true;
+                }
+            } else {
+                if (!isAssistantOnTop
+                        && (!(isSensitiveActive || isInCall) || current->canCaptureOutput)) {
+                    allowCapture = true;
+                }
             }
         }
         setAppState_l(current->uid,
@@ -703,11 +726,11 @@
     if (in == BAD_TYPE || out == BAD_TYPE || err == BAD_TYPE) {
         return BAD_VALUE;
     }
-    if (args.size() == 3 && args[0] == String16("set-uid-state")) {
+    if (args.size() >= 3 && args[0] == String16("set-uid-state")) {
         return handleSetUidState(args, err);
-    } else if (args.size() == 2 && args[0] == String16("reset-uid-state")) {
+    } else if (args.size() >= 2 && args[0] == String16("reset-uid-state")) {
         return handleResetUidState(args, err);
-    } else if (args.size() == 2 && args[0] == String16("get-uid-state")) {
+    } else if (args.size() >= 2 && args[0] == String16("get-uid-state")) {
         return handleGetUidState(args, out, err);
     } else if (args.size() == 1 && args[0] == String16("help")) {
         printHelp(out);
@@ -717,14 +740,32 @@
     return BAD_VALUE;
 }
 
-status_t AudioPolicyService::handleSetUidState(Vector<String16>& args, int err) {
-    PermissionController pc;
-    int uid = pc.getPackageUid(args[1], 0);
-    if (uid <= 0) {
-        ALOGE("Unknown package: '%s'", String8(args[1]).string());
-        dprintf(err, "Unknown package: '%s'\n", String8(args[1]).string());
+static status_t getUidForPackage(String16 packageName, int userId, /*inout*/uid_t& uid, int err) {
+    if (userId < 0) {
+        ALOGE("Invalid user: %d", userId);
+        dprintf(err, "Invalid user: %d\n", userId);
         return BAD_VALUE;
     }
+
+    PermissionController pc;
+    uid = pc.getPackageUid(packageName, 0);
+    if (uid <= 0) {
+        ALOGE("Unknown package: '%s'", String8(packageName).string());
+        dprintf(err, "Unknown package: '%s'\n", String8(packageName).string());
+        return BAD_VALUE;
+    }
+
+    uid = multiuser_get_uid(userId, uid);
+    return NO_ERROR;
+}
+
+status_t AudioPolicyService::handleSetUidState(Vector<String16>& args, int err) {
+    // Valid arg.size() is 3 or 5, args.size() is 5 with --user option.
+    if (!(args.size() == 3 || args.size() == 5)) {
+        printHelp(err);
+        return BAD_VALUE;
+    }
+
     bool active = false;
     if (args[2] == String16("active")) {
         active = true;
@@ -732,30 +773,59 @@
         ALOGE("Expected active or idle but got: '%s'", String8(args[2]).string());
         return BAD_VALUE;
     }
+
+    int userId = 0;
+    if (args.size() >= 5 && args[3] == String16("--user")) {
+        userId = atoi(String8(args[4]));
+    }
+
+    uid_t uid;
+    if (getUidForPackage(args[1], userId, uid, err) == BAD_VALUE) {
+        return BAD_VALUE;
+    }
+
     mUidPolicy->addOverrideUid(uid, active);
     return NO_ERROR;
 }
 
 status_t AudioPolicyService::handleResetUidState(Vector<String16>& args, int err) {
-    PermissionController pc;
-    int uid = pc.getPackageUid(args[1], 0);
-    if (uid < 0) {
-        ALOGE("Unknown package: '%s'", String8(args[1]).string());
-        dprintf(err, "Unknown package: '%s'\n", String8(args[1]).string());
+    // Valid arg.size() is 2 or 4, args.size() is 4 with --user option.
+    if (!(args.size() == 2 || args.size() == 4)) {
+        printHelp(err);
         return BAD_VALUE;
     }
+
+    int userId = 0;
+    if (args.size() >= 4 && args[2] == String16("--user")) {
+        userId = atoi(String8(args[3]));
+    }
+
+    uid_t uid;
+    if (getUidForPackage(args[1], userId, uid, err) == BAD_VALUE) {
+        return BAD_VALUE;
+    }
+
     mUidPolicy->removeOverrideUid(uid);
     return NO_ERROR;
 }
 
 status_t AudioPolicyService::handleGetUidState(Vector<String16>& args, int out, int err) {
-    PermissionController pc;
-    int uid = pc.getPackageUid(args[1], 0);
-    if (uid < 0) {
-        ALOGE("Unknown package: '%s'", String8(args[1]).string());
-        dprintf(err, "Unknown package: '%s'\n", String8(args[1]).string());
+    // Valid arg.size() is 2 or 4, args.size() is 4 with --user option.
+    if (!(args.size() == 2 || args.size() == 4)) {
+        printHelp(err);
         return BAD_VALUE;
     }
+
+    int userId = 0;
+    if (args.size() >= 4 && args[2] == String16("--user")) {
+        userId = atoi(String8(args[3]));
+    }
+
+    uid_t uid;
+    if (getUidForPackage(args[1], userId, uid, err) == BAD_VALUE) {
+        return BAD_VALUE;
+    }
+
     if (mUidPolicy->isUidActive(uid)) {
         return dprintf(out, "active\n");
     } else {
@@ -765,9 +835,9 @@
 
 status_t AudioPolicyService::printHelp(int out) {
     return dprintf(out, "Audio policy service commands:\n"
-        "  get-uid-state <PACKAGE> gets the uid state\n"
-        "  set-uid-state <PACKAGE> <active|idle> overrides the uid state\n"
-        "  reset-uid-state <PACKAGE> clears the uid state override\n"
+        "  get-uid-state <PACKAGE> [--user USER_ID] gets the uid state\n"
+        "  set-uid-state <PACKAGE> <active|idle> [--user USER_ID] overrides the uid state\n"
+        "  reset-uid-state <PACKAGE> [--user USER_ID] clears the uid state override\n"
         "  help print this message\n");
 }
 
diff --git a/services/camera/libcameraservice/CameraService.cpp b/services/camera/libcameraservice/CameraService.cpp
index 3e62102..670e026 100644
--- a/services/camera/libcameraservice/CameraService.cpp
+++ b/services/camera/libcameraservice/CameraService.cpp
@@ -118,6 +118,8 @@
 // ----------------------------------------------------------------------------
 
 static const String16 sManageCameraPermission("android.permission.MANAGE_CAMERA");
+static const String16 sCameraOpenCloseListenerPermission(
+        "android.permission.CAMERA_OPEN_CLOSE_LISTENER");
 
 // Matches with PERCEPTIBLE_APP_ADJ in ProcessList.java
 static constexpr int32_t kVendorClientScore = 200;
@@ -153,8 +155,6 @@
         mInitialized = true;
     }
 
-    CameraService::pingCameraServiceProxy();
-
     mUidPolicy = new UidPolicy(this);
     mUidPolicy->registerSelf();
     mSensorPrivacyPolicy = new SensorPrivacyPolicy(this);
@@ -164,6 +164,11 @@
         ALOGE("%s: Failed to register default android.frameworks.cameraservice.service@1.0",
               __FUNCTION__);
     }
+
+    // This needs to be last call in this function, so that it's as close to
+    // ServiceManager::addService() as possible.
+    CameraService::pingCameraServiceProxy();
+    ALOGI("CameraService pinged cameraservice proxy");
 }
 
 status_t CameraService::enumerateProviders() {
@@ -253,6 +258,15 @@
     enumerateProviders();
 }
 
+bool CameraService::isPublicallyHiddenSecureCamera(const String8& cameraId) {
+    auto state = getCameraState(cameraId);
+    if (state != nullptr) {
+        return state->isPublicallyHiddenSecureCamera();
+    }
+    // Hidden physical camera ids won't have CameraState
+    return mCameraProviderManager->isPublicallyHiddenSecureCamera(cameraId.c_str());
+}
+
 void CameraService::updateCameraNumAndIds() {
     Mutex::Autolock l(mServiceLock);
     mNumberOfCameras = mCameraProviderManager->getCameraCount();
@@ -268,6 +282,8 @@
         ALOGE("Failed to query device resource cost: %s (%d)", strerror(-res), res);
         return;
     }
+    bool isPublicallyHiddenSecureCamera =
+            mCameraProviderManager->isPublicallyHiddenSecureCamera(id.string());
     std::set<String8> conflicting;
     for (size_t i = 0; i < cost.conflictingDevices.size(); i++) {
         conflicting.emplace(String8(cost.conflictingDevices[i].c_str()));
@@ -276,7 +292,8 @@
     {
         Mutex::Autolock lock(mCameraStatesLock);
         mCameraStates.emplace(id, std::make_shared<CameraState>(id, cost.resourceCost,
-                                                                conflicting));
+                                                                conflicting,
+                                                                isPublicallyHiddenSecureCamera));
     }
 
     if (mFlashlight->hasFlashUnit(id)) {
@@ -514,8 +531,16 @@
                 "Camera subsystem is not available");;
     }
 
-    Status ret{};
+    if (shouldRejectHiddenCameraConnection(String8(cameraId))) {
+        ALOGW("Attempting to retrieve characteristics for system-only camera id %s, rejected",
+              String8(cameraId).string());
+        return STATUS_ERROR_FMT(ERROR_DISCONNECTED,
+                                "No camera device with ID \"%s\" currently available",
+                                String8(cameraId).string());
 
+    }
+
+    Status ret{};
     status_t res = mCameraProviderManager->getCameraCharacteristics(
             String8(cameraId).string(), cameraInfo);
     if (res != OK) {
@@ -1149,6 +1174,8 @@
                 clientPid,
                 states[states.size() - 1]);
 
+        resource_policy::ClientPriority clientPriority = clientDescriptor->getPriority();
+
         // Find clients that would be evicted
         auto evicted = mActiveClientManager.wouldEvict(clientDescriptor);
 
@@ -1166,8 +1193,7 @@
             String8 msg = String8::format("%s : DENIED connect device %s client for package %s "
                     "(PID %d, score %d state %d) due to eviction policy", curTime.string(),
                     cameraId.string(), packageName.string(), clientPid,
-                    priorityScores[priorityScores.size() - 1],
-                    states[states.size() - 1]);
+                    clientPriority.getScore(), clientPriority.getState());
 
             for (auto& i : incompatibleClients) {
                 msg.appendFormat("\n   - Blocked by existing device %s client for package %s"
@@ -1212,9 +1238,8 @@
                     i->getKey().string(), String8{clientSp->getPackageName()}.string(),
                     i->getOwnerId(), i->getPriority().getScore(),
                     i->getPriority().getState(), cameraId.string(),
-                    packageName.string(), clientPid,
-                    priorityScores[priorityScores.size() - 1],
-                    states[states.size() - 1]));
+                    packageName.string(), clientPid, clientPriority.getScore(),
+                    clientPriority.getState()));
 
             // Notify the client of disconnection
             clientSp->notifyError(hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_DISCONNECTED,
@@ -1330,7 +1355,7 @@
     // publically hidden, we should reject the connection.
     if (!hardware::IPCThreadState::self()->isServingCall() &&
             CameraThreadState::getCallingPid() != getpid() &&
-            mCameraProviderManager->isPublicallyHiddenSecureCamera(cameraId.c_str())) {
+            isPublicallyHiddenSecureCamera(cameraId)) {
         return true;
     }
     return false;
@@ -1348,14 +1373,19 @@
     Status ret = Status::ok();
     String8 id = String8(cameraId);
     sp<CameraDeviceClient> client = nullptr;
-
+    String16 clientPackageNameAdj = clientPackageName;
+    if (hardware::IPCThreadState::self()->isServingCall()) {
+        std::string vendorClient =
+                StringPrintf("vendor.client.pid<%d>", CameraThreadState::getCallingPid());
+        clientPackageNameAdj = String16(vendorClient.c_str());
+    }
     ret = connectHelper<hardware::camera2::ICameraDeviceCallbacks,CameraDeviceClient>(cameraCb, id,
             /*api1CameraId*/-1,
-            CAMERA_HAL_API_VERSION_UNSPECIFIED, clientPackageName,
+            CAMERA_HAL_API_VERSION_UNSPECIFIED, clientPackageNameAdj,
             clientUid, USE_CALLING_PID, API_2, /*shimUpdateOnly*/ false, /*out*/client);
 
     if(!ret.isOk()) {
-        logRejected(id, CameraThreadState::getCallingPid(), String8(clientPackageName),
+        logRejected(id, CameraThreadState::getCallingPid(), String8(clientPackageNameAdj),
                 ret.toString8());
         return ret;
     }
@@ -1783,7 +1813,11 @@
         }
 
         auto clientUid = CameraThreadState::getCallingUid();
-        sp<ServiceListener> serviceListener = new ServiceListener(this, listener, clientUid);
+        auto clientPid = CameraThreadState::getCallingPid();
+        bool openCloseCallbackAllowed = checkPermission(sCameraOpenCloseListenerPermission,
+                clientPid, clientUid);
+        sp<ServiceListener> serviceListener = new ServiceListener(this, listener,
+                clientUid, clientPid, openCloseCallbackAllowed);
         auto ret = serviceListener->initialize();
         if (ret != NO_ERROR) {
             String8 msg = String8::format("Failed to initialize service listener: %s (%d)",
@@ -1799,16 +1833,25 @@
     {
         Mutex::Autolock lock(mCameraStatesLock);
         for (auto& i : mCameraStates) {
-            if (!isVendorListener &&
-                mCameraProviderManager->isPublicallyHiddenSecureCamera(i.first.c_str())) {
-                ALOGV("Cannot add public listener for hidden system-only %s for pid %d",
-                      i.first.c_str(), CameraThreadState::getCallingPid());
-                continue;
-            }
             cameraStatuses->emplace_back(i.first, mapToInterface(i.second->getStatus()));
         }
     }
 
+    // Remove the camera statuses that should be hidden from the client, we do
+    // this after collecting the states in order to avoid holding
+    // mCameraStatesLock and mInterfaceLock (held in
+    // isPublicallyHiddenSecureCamera()) at the same time.
+    cameraStatuses->erase(std::remove_if(cameraStatuses->begin(), cameraStatuses->end(),
+                [this, &isVendorListener](const hardware::CameraStatus& s) {
+                    bool ret = !isVendorListener && isPublicallyHiddenSecureCamera(s.cameraId);
+                    if (ret) {
+                        ALOGV("Cannot add public listener for hidden system-only %s for pid %d",
+                                s.cameraId.c_str(), CameraThreadState::getCallingPid());
+                    }
+                    return ret;
+                }),
+                cameraStatuses->end());
+
     /*
      * Immediately signal current torch status to this listener only
      * This may be a subset of all the devices, so don't include it in the response directly
@@ -2368,11 +2411,7 @@
         }
         mClientPackageName = packages[0];
     }
-    if (hardware::IPCThreadState::self()->isServingCall()) {
-        std::string vendorClient =
-                StringPrintf("vendor.client.pid<%d>", CameraThreadState::getCallingPid());
-        mClientPackageName = String16(vendorClient.c_str());
-    } else {
+    if (!hardware::IPCThreadState::self()->isServingCall()) {
         mAppOpsManager = std::make_unique<AppOpsManager>();
     }
 }
@@ -2482,6 +2521,9 @@
 
     sCameraService->mUidPolicy->registerMonitorUid(mClientUid);
 
+    // Notify listeners of camera open/close status
+    sCameraService->updateOpenCloseStatus(mCameraIdStr, true/*open*/, mClientPackageName);
+
     return OK;
 }
 
@@ -2522,6 +2564,9 @@
 
     sCameraService->mUidPolicy->unregisterMonitorUid(mClientUid);
 
+    // Notify listeners of camera open/close status
+    sCameraService->updateOpenCloseStatus(mCameraIdStr, false/*open*/, mClientPackageName);
+
     return OK;
 }
 
@@ -2872,8 +2917,9 @@
 // ----------------------------------------------------------------------------
 
 CameraService::CameraState::CameraState(const String8& id, int cost,
-        const std::set<String8>& conflicting) : mId(id),
-        mStatus(StatusInternal::NOT_PRESENT), mCost(cost), mConflicting(conflicting) {}
+        const std::set<String8>& conflicting, bool isHidden) : mId(id),
+        mStatus(StatusInternal::NOT_PRESENT), mCost(cost), mConflicting(conflicting),
+        mIsPublicallyHiddenSecureCamera(isHidden) {}
 
 CameraService::CameraState::~CameraState() {}
 
@@ -2902,6 +2948,10 @@
     return mId;
 }
 
+bool CameraService::CameraState::isPublicallyHiddenSecureCamera() const {
+    return mIsPublicallyHiddenSecureCamera;
+}
+
 // ----------------------------------------------------------------------------
 //                  ClientEventListener
 // ----------------------------------------------------------------------------
@@ -3237,10 +3287,10 @@
                 cameraId.string());
         return;
     }
-
+    bool isHidden = isPublicallyHiddenSecureCamera(cameraId);
     // Update the status for this camera state, then send the onStatusChangedCallbacks to each
     // of the listeners with both the mStatusStatus and mStatusListenerLock held
-    state->updateStatus(status, cameraId, rejectSourceStates, [this]
+    state->updateStatus(status, cameraId, rejectSourceStates, [this,&isHidden]
             (const String8& cameraId, StatusInternal status) {
 
             if (status != StatusInternal::ENUMERATING) {
@@ -3262,8 +3312,7 @@
             Mutex::Autolock lock(mStatusListenerLock);
 
             for (auto& listener : mListenerList) {
-                if (!listener.first &&
-                    mCameraProviderManager->isPublicallyHiddenSecureCamera(cameraId.c_str())) {
+                if (!listener.first &&  isHidden) {
                     ALOGV("Skipping camera discovery callback for system-only camera %s",
                           cameraId.c_str());
                     continue;
@@ -3274,6 +3323,29 @@
         });
 }
 
+void CameraService::updateOpenCloseStatus(const String8& cameraId, bool open,
+        const String16& clientPackageName) {
+    Mutex::Autolock lock(mStatusListenerLock);
+
+    for (const auto& it : mListenerList) {
+        if (!it.second->isOpenCloseCallbackAllowed()) {
+            continue;
+        }
+
+        binder::Status ret;
+        String16 cameraId64(cameraId);
+        if (open) {
+            ret = it.second->getListener()->onCameraOpened(cameraId64, clientPackageName);
+        } else {
+            ret = it.second->getListener()->onCameraClosed(cameraId64);
+        }
+        if (!ret.isOk()) {
+            ALOGE("%s: Failed to trigger onCameraOpened/onCameraClosed callback: %d", __FUNCTION__,
+                    ret.exceptionCode());
+        }
+    }
+}
+
 template<class Func>
 void CameraService::CameraState::updateStatus(StatusInternal status,
         const String8& cameraId,
diff --git a/services/camera/libcameraservice/CameraService.h b/services/camera/libcameraservice/CameraService.h
index 065157d..bcaca9f 100644
--- a/services/camera/libcameraservice/CameraService.h
+++ b/services/camera/libcameraservice/CameraService.h
@@ -470,7 +470,8 @@
          * Make a new CameraState and set the ID, cost, and conflicting devices using the values
          * returned in the HAL's camera_info struct for each device.
          */
-        CameraState(const String8& id, int cost, const std::set<String8>& conflicting);
+        CameraState(const String8& id, int cost, const std::set<String8>& conflicting,
+                bool isHidden);
         virtual ~CameraState();
 
         /**
@@ -522,6 +523,11 @@
          */
         String8 getId() const;
 
+        /**
+         * Return if the camera device is a publically hidden secure camera
+         */
+        bool isPublicallyHiddenSecureCamera() const;
+
     private:
         const String8 mId;
         StatusInternal mStatus; // protected by mStatusLock
@@ -529,6 +535,7 @@
         std::set<String8> mConflicting;
         mutable Mutex mStatusLock;
         CameraParameters mShimParams;
+        const bool mIsPublicallyHiddenSecureCamera;
     }; // class CameraState
 
     // Observer for UID lifecycle enforcing that UIDs in idle
@@ -633,7 +640,9 @@
 
     // Should an operation attempt on a cameraId be rejected, if the camera id is
     // advertised as a publically hidden secure camera, by the camera HAL ?
-    bool shouldRejectHiddenCameraConnection(const String8 & cameraId);
+    bool shouldRejectHiddenCameraConnection(const String8& cameraId);
+
+    bool isPublicallyHiddenSecureCamera(const String8& cameraId);
 
     // Single implementation shared between the various connect calls
     template<class CALLBACK, class CLIENT>
@@ -808,7 +817,9 @@
     class ServiceListener : public virtual IBinder::DeathRecipient {
         public:
             ServiceListener(sp<CameraService> parent, sp<hardware::ICameraServiceListener> listener,
-                    int uid) : mParent(parent), mListener(listener), mListenerUid(uid) {}
+                    int uid, int pid, bool openCloseCallbackAllowed) : mParent(parent),
+                    mListener(listener), mListenerUid(uid), mListenerPid(pid),
+                    mOpenCloseCallbackAllowed(openCloseCallbackAllowed) {}
 
             status_t initialize() {
                 return IInterface::asBinder(mListener)->linkToDeath(this);
@@ -822,12 +833,16 @@
             }
 
             int getListenerUid() { return mListenerUid; }
+            int getListenerPid() { return mListenerPid; }
             sp<hardware::ICameraServiceListener> getListener() { return mListener; }
+            bool isOpenCloseCallbackAllowed() { return mOpenCloseCallbackAllowed; }
 
         private:
             wp<CameraService> mParent;
             sp<hardware::ICameraServiceListener> mListener;
             int mListenerUid;
+            int mListenerPid;
+            bool mOpenCloseCallbackAllowed = false;
     };
 
     // Guarded by mStatusListenerMutex
@@ -850,6 +865,13 @@
     void updateStatus(StatusInternal status,
             const String8& cameraId);
 
+    /**
+     * Update the opened/closed status of the given camera id.
+     *
+     * This method acqiures mStatusListenerLock.
+     */
+    void updateOpenCloseStatus(const String8& cameraId, bool open, const String16& packageName);
+
     // flashlight control
     sp<CameraFlashlight> mFlashlight;
     // guard mTorchStatusMap
diff --git a/services/camera/libcameraservice/api2/CameraDeviceClient.cpp b/services/camera/libcameraservice/api2/CameraDeviceClient.cpp
index c7a4f2b..3587db3 100644
--- a/services/camera/libcameraservice/api2/CameraDeviceClient.cpp
+++ b/services/camera/libcameraservice/api2/CameraDeviceClient.cpp
@@ -2004,6 +2004,15 @@
         }
     }
 
+    for (size_t i = 0; i < mCompositeStreamMap.size(); i++) {
+        auto ret = mCompositeStreamMap.valueAt(i)->deleteInternalStreams();
+        if (ret != OK) {
+            ALOGE("%s: Failed removing composite stream  %s (%d)", __FUNCTION__,
+                    strerror(-ret), ret);
+        }
+    }
+    mCompositeStreamMap.clear();
+
     Camera2ClientBase::detachDevice();
 }
 
diff --git a/services/camera/libcameraservice/api2/DepthCompositeStream.cpp b/services/camera/libcameraservice/api2/DepthCompositeStream.cpp
index 8ebaa2b..0b91016 100644
--- a/services/camera/libcameraservice/api2/DepthCompositeStream.cpp
+++ b/services/camera/libcameraservice/api2/DepthCompositeStream.cpp
@@ -247,7 +247,7 @@
     return ret;
 }
 
-status_t DepthCompositeStream::processInputFrame(const InputFrame &inputFrame) {
+status_t DepthCompositeStream::processInputFrame(nsecs_t ts, const InputFrame &inputFrame) {
     status_t res;
     sp<ANativeWindow> outputANW = mOutputSurface;
     ANativeWindowBuffer *anb;
@@ -370,6 +370,13 @@
         return NO_MEMORY;
     }
 
+    res = native_window_set_buffers_timestamp(mOutputSurface.get(), ts);
+    if (res != OK) {
+        ALOGE("%s: Stream %d: Error setting timestamp: %s (%d)", __FUNCTION__,
+                getStreamId(), strerror(-res), res);
+        return res;
+    }
+
     ALOGV("%s: Final jpeg size: %zu", __func__, finalJpegSize);
     uint8_t* header = static_cast<uint8_t *> (dstBuffer) +
         (gb->getWidth() - sizeof(struct camera3_jpeg_blob));
@@ -459,7 +466,7 @@
         }
     }
 
-    auto res = processInputFrame(mPendingInputFrames[currentTs]);
+    auto res = processInputFrame(currentTs, mPendingInputFrames[currentTs]);
     Mutex::Autolock l(mMutex);
     if (res != OK) {
         ALOGE("%s: Failed processing frame with timestamp: %" PRIu64 ": %s (%d)", __FUNCTION__,
diff --git a/services/camera/libcameraservice/api2/DepthCompositeStream.h b/services/camera/libcameraservice/api2/DepthCompositeStream.h
index 975c59b..28a7826 100644
--- a/services/camera/libcameraservice/api2/DepthCompositeStream.h
+++ b/services/camera/libcameraservice/api2/DepthCompositeStream.h
@@ -97,7 +97,7 @@
             size_t maxJpegSize, uint8_t jpegQuality,
             std::vector<std::unique_ptr<Item>>* items /*out*/);
     std::unique_ptr<ImagingModel> getImagingModel();
-    status_t processInputFrame(const InputFrame &inputFrame);
+    status_t processInputFrame(nsecs_t ts, const InputFrame &inputFrame);
 
     // Buffer/Results handling
     void compilePendingInputLocked();
diff --git a/services/camera/libcameraservice/api2/HeicCompositeStream.cpp b/services/camera/libcameraservice/api2/HeicCompositeStream.cpp
index 5a87134..9f15be0 100644
--- a/services/camera/libcameraservice/api2/HeicCompositeStream.cpp
+++ b/services/camera/libcameraservice/api2/HeicCompositeStream.cpp
@@ -31,7 +31,6 @@
 #include <media/ICrypto.h>
 #include <media/MediaCodecBuffer.h>
 #include <media/stagefright/foundation/ABuffer.h>
-#include <media/stagefright/foundation/AMessage.h>
 #include <media/stagefright/foundation/MediaDefs.h>
 #include <media/stagefright/MediaCodecConstants.h>
 
@@ -61,12 +60,13 @@
         mUseGrid(false),
         mAppSegmentStreamId(-1),
         mAppSegmentSurfaceId(-1),
-        mAppSegmentBufferAcquired(false),
         mMainImageStreamId(-1),
         mMainImageSurfaceId(-1),
         mYuvBufferAcquired(false),
         mProducerListener(new ProducerListener()),
-        mOutputBufferCounter(0),
+        mDequeuedOutputBufferCnt(0),
+        mLockedAppSegmentBufferCnt(0),
+        mCodecOutputCounter(0),
         mGridTimestampUs(0) {
 }
 
@@ -132,7 +132,7 @@
     sp<IGraphicBufferProducer> producer;
     sp<IGraphicBufferConsumer> consumer;
     BufferQueue::createBufferQueue(&producer, &consumer);
-    mAppSegmentConsumer = new CpuConsumer(consumer, 1);
+    mAppSegmentConsumer = new CpuConsumer(consumer, kMaxAcquiredAppSegment);
     mAppSegmentConsumer->setFrameAvailableListener(this);
     mAppSegmentConsumer->setName(String8("Camera3-HeicComposite-AppSegmentStream"));
     mAppSegmentSurface = new Surface(producer);
@@ -231,6 +231,8 @@
     if (bufferInfo.mError) return;
 
     mCodecOutputBufferTimestamps.push(bufferInfo.mTimestamp);
+    ALOGV("%s: [%" PRId64 "]: Adding codecOutputBufferTimestamp (%zu timestamps in total)",
+            __FUNCTION__, bufferInfo.mTimestamp, mCodecOutputBufferTimestamps.size());
 }
 
 // We need to get the settings early to handle the case where the codec output
@@ -361,6 +363,8 @@
             mCodecOutputBuffers.push_back(outputBufferInfo);
             mInputReadyCondition.signal();
         } else {
+            ALOGV("%s: Releasing output buffer: size %d flags: 0x%x ", __FUNCTION__,
+                outputBufferInfo.size, outputBufferInfo.flags);
             mCodec->releaseOutputBuffer(outputBufferInfo.index);
         }
     } else {
@@ -414,8 +418,10 @@
         mNumOutputTiles = 1;
     }
 
-    ALOGV("%s: mNumOutputTiles is %zu", __FUNCTION__, mNumOutputTiles);
     mFormat = newFormat;
+
+    ALOGV("%s: mNumOutputTiles is %zu", __FUNCTION__, mNumOutputTiles);
+    mInputReadyCondition.signal();
 }
 
 void HeicCompositeStream::onHeicCodecError() {
@@ -459,9 +465,8 @@
 
     // Cannot use SourceSurface buffer count since it could be codec's 512*512 tile
     // buffer count.
-    int maxProducerBuffers = 1;
     if ((res = native_window_set_buffer_count(
-                    anwConsumer, maxProducerBuffers + maxConsumerBuffers)) != OK) {
+                    anwConsumer, kMaxOutputSurfaceProducerCount + maxConsumerBuffers)) != OK) {
         ALOGE("%s: Unable to set buffer count for stream %d", __FUNCTION__, mMainImageStreamId);
         return res;
     }
@@ -505,6 +510,8 @@
     }
 
     if (mSettingsByFrameNumber.find(resultExtras.frameNumber) != mSettingsByFrameNumber.end()) {
+        ALOGV("%s: [%" PRId64 "]: frameNumber %" PRId64, __FUNCTION__,
+                timestamp, resultExtras.frameNumber);
         mFrameNumberMap.emplace(resultExtras.frameNumber, timestamp);
         mSettingsByTimestamp[timestamp] = mSettingsByFrameNumber[resultExtras.frameNumber];
         mSettingsByFrameNumber.erase(resultExtras.frameNumber);
@@ -520,12 +527,12 @@
         mSettingsByTimestamp.erase(it);
     }
 
-    while (!mInputAppSegmentBuffers.empty() && !mAppSegmentBufferAcquired) {
+    while (!mInputAppSegmentBuffers.empty()) {
         CpuConsumer::LockedBuffer imgBuffer;
         auto it = mInputAppSegmentBuffers.begin();
         auto res = mAppSegmentConsumer->lockNextBuffer(&imgBuffer);
         if (res == NOT_ENOUGH_DATA) {
-            // Canot not lock any more buffers.
+            // Can not lock any more buffers.
             break;
         } else if ((res != OK) || (*it != imgBuffer.timestamp)) {
             if (res != OK) {
@@ -535,6 +542,7 @@
                 ALOGE("%s: Expecting JPEG_APP_SEGMENTS buffer with time stamp: %" PRId64
                         " received buffer with time stamp: %" PRId64, __FUNCTION__,
                         *it, imgBuffer.timestamp);
+                mAppSegmentConsumer->unlockBuffer(imgBuffer);
             }
             mPendingInputFrames[*it].error = true;
             mInputAppSegmentBuffers.erase(it);
@@ -546,7 +554,7 @@
             mAppSegmentConsumer->unlockBuffer(imgBuffer);
         } else {
             mPendingInputFrames[imgBuffer.timestamp].appSegmentBuffer = imgBuffer;
-            mAppSegmentBufferAcquired = true;
+            mLockedAppSegmentBufferCnt++;
         }
         mInputAppSegmentBuffers.erase(it);
     }
@@ -556,7 +564,7 @@
         auto it = mInputYuvBuffers.begin();
         auto res = mMainImageConsumer->lockNextBuffer(&imgBuffer);
         if (res == NOT_ENOUGH_DATA) {
-            // Canot not lock any more buffers.
+            // Can not lock any more buffers.
             break;
         } else if (res != OK) {
             ALOGE("%s: Error locking YUV_888 image buffer: %s (%d)", __FUNCTION__,
@@ -589,17 +597,20 @@
         // to look up timestamp.
         int64_t bufferTime = -1;
         if (mCodecOutputBufferTimestamps.empty()) {
-            ALOGE("%s: Failed to find buffer timestamp for codec output buffer!", __FUNCTION__);
+            ALOGV("%s: Failed to find buffer timestamp for codec output buffer!", __FUNCTION__);
+            break;
         } else {
             // Direct mapping between camera timestamp (in ns) and codec timestamp (in us).
             bufferTime = mCodecOutputBufferTimestamps.front();
-            mOutputBufferCounter++;
-            if (mOutputBufferCounter == mNumOutputTiles) {
+            mCodecOutputCounter++;
+            if (mCodecOutputCounter == mNumOutputTiles) {
                 mCodecOutputBufferTimestamps.pop();
-                mOutputBufferCounter = 0;
+                mCodecOutputCounter = 0;
             }
 
             mPendingInputFrames[bufferTime].codecOutputBuffers.push_back(*it);
+            ALOGV("%s: [%" PRId64 "]: Pushing codecOutputBuffers (time %" PRId64 " us)",
+                    __FUNCTION__, bufferTime, it->timeUs);
         }
         mCodecOutputBuffers.erase(it);
     }
@@ -607,6 +618,7 @@
     while (!mFrameNumberMap.empty()) {
         auto it = mFrameNumberMap.begin();
         mPendingInputFrames[it->second].frameNumber = it->first;
+        ALOGV("%s: [%" PRId64 "]: frameNumber is %" PRId64, __FUNCTION__, it->second, it->first);
         mFrameNumberMap.erase(it);
     }
 
@@ -675,16 +687,29 @@
     }
 
     bool newInputAvailable = false;
-    for (const auto& it : mPendingInputFrames) {
+    for (auto& it : mPendingInputFrames) {
+        // New input is considered to be available only if:
+        // 1. input buffers are ready, or
+        // 2. App segment and muxer is created, or
+        // 3. A codec output tile is ready, and an output buffer is available.
+        // This makes sure that muxer gets created only when an output tile is
+        // generated, because right now we only handle 1 HEIC output buffer at a
+        // time (max dequeued buffer count is 1).
         bool appSegmentReady = (it.second.appSegmentBuffer.data != nullptr) &&
-                !it.second.appSegmentWritten && it.second.result != nullptr;
+                !it.second.appSegmentWritten && it.second.result != nullptr &&
+                it.second.muxer != nullptr;
         bool codecOutputReady = !it.second.codecOutputBuffers.empty();
         bool codecInputReady = (it.second.yuvBuffer.data != nullptr) &&
                 (!it.second.codecInputBuffers.empty());
+        bool hasOutputBuffer = it.second.muxer != nullptr ||
+                (mDequeuedOutputBufferCnt < kMaxOutputSurfaceProducerCount);
         if ((!it.second.error) &&
                 (it.first < *currentTs) &&
-                (appSegmentReady || codecOutputReady || codecInputReady)) {
+                (appSegmentReady || (codecOutputReady && hasOutputBuffer) || codecInputReady)) {
             *currentTs = it.first;
+            if (it.second.format == nullptr && mFormat != nullptr) {
+                it.second.format = mFormat->dup();
+            }
             newInputAvailable = true;
             break;
         }
@@ -716,15 +741,17 @@
     status_t res = OK;
 
     bool appSegmentReady = inputFrame.appSegmentBuffer.data != nullptr &&
-            !inputFrame.appSegmentWritten && inputFrame.result != nullptr;
+            !inputFrame.appSegmentWritten && inputFrame.result != nullptr &&
+            inputFrame.muxer != nullptr;
     bool codecOutputReady = inputFrame.codecOutputBuffers.size() > 0;
     bool codecInputReady = inputFrame.yuvBuffer.data != nullptr &&
-           !inputFrame.codecInputBuffers.empty();
+            !inputFrame.codecInputBuffers.empty();
+    bool hasOutputBuffer = inputFrame.muxer != nullptr ||
+            (mDequeuedOutputBufferCnt < kMaxOutputSurfaceProducerCount);
 
-    if (!appSegmentReady && !codecOutputReady && !codecInputReady) {
-        ALOGW("%s: No valid appSegmentBuffer/codec input/outputBuffer available!", __FUNCTION__);
-        return OK;
-    }
+    ALOGV("%s: [%" PRId64 "]: appSegmentReady %d, codecOutputReady %d, codecInputReady %d,"
+            " dequeuedOutputBuffer %d", __FUNCTION__, timestamp, appSegmentReady,
+            codecOutputReady, codecInputReady, mDequeuedOutputBufferCnt);
 
     // Handle inputs for Hevc tiling
     if (codecInputReady) {
@@ -736,7 +763,13 @@
         }
     }
 
-    // Initialize and start muxer if not yet done so
+    if (!(codecOutputReady && hasOutputBuffer) && !appSegmentReady) {
+        return OK;
+    }
+
+    // Initialize and start muxer if not yet done so. In this case,
+    // codecOutputReady must be true. Otherwise, appSegmentReady is guaranteed
+    // to be false, and the function must have returned early.
     if (inputFrame.muxer == nullptr) {
         res = startMuxerForInputFrame(timestamp, inputFrame);
         if (res != OK) {
@@ -747,7 +780,7 @@
     }
 
     // Write JPEG APP segments data to the muxer.
-    if (appSegmentReady && inputFrame.muxer != nullptr) {
+    if (appSegmentReady) {
         res = processAppSegment(timestamp, inputFrame);
         if (res != OK) {
             ALOGE("%s: Failed to process JPEG APP segments: %s (%d)", __FUNCTION__,
@@ -766,12 +799,18 @@
         }
     }
 
-    if (inputFrame.appSegmentWritten && inputFrame.pendingOutputTiles == 0) {
-        res = processCompletedInputFrame(timestamp, inputFrame);
-        if (res != OK) {
-            ALOGE("%s: Failed to process completed input frame: %s (%d)", __FUNCTION__,
-                    strerror(-res), res);
-            return res;
+    if (inputFrame.pendingOutputTiles == 0) {
+        if (inputFrame.appSegmentWritten) {
+            res = processCompletedInputFrame(timestamp, inputFrame);
+            if (res != OK) {
+                ALOGE("%s: Failed to process completed input frame: %s (%d)", __FUNCTION__,
+                        strerror(-res), res);
+                return res;
+            }
+        } else if (mLockedAppSegmentBufferCnt == kMaxAcquiredAppSegment) {
+            ALOGE("%s: Out-of-order app segment buffers reaches limit %u", __FUNCTION__,
+                    kMaxAcquiredAppSegment);
+            return INVALID_OPERATION;
         }
     }
 
@@ -780,11 +819,6 @@
 
 status_t HeicCompositeStream::startMuxerForInputFrame(nsecs_t timestamp, InputFrame &inputFrame) {
     sp<ANativeWindow> outputANW = mOutputSurface;
-    if (inputFrame.codecOutputBuffers.size() == 0) {
-        // No single codec output buffer has been generated. Continue to
-        // wait.
-        return OK;
-    }
 
     auto res = outputANW->dequeueBuffer(mOutputSurface.get(), &inputFrame.anb, &inputFrame.fenceFd);
     if (res != OK) {
@@ -792,6 +826,7 @@
                 res);
         return res;
     }
+    mDequeuedOutputBufferCnt++;
 
     // Combine current thread id, stream id and timestamp to uniquely identify image.
     std::ostringstream tempOutputFile;
@@ -828,7 +863,7 @@
         }
     }
 
-    ssize_t trackId = inputFrame.muxer->addTrack(mFormat);
+    ssize_t trackId = inputFrame.muxer->addTrack(inputFrame.format);
     if (trackId < 0) {
         ALOGE("%s: Failed to addTrack to the muxer: %zd", __FUNCTION__, trackId);
         return NO_INIT;
@@ -844,6 +879,8 @@
         return res;
     }
 
+    ALOGV("%s: [%" PRId64 "]: Muxer started for inputFrame", __FUNCTION__,
+            timestamp);
     return OK;
 }
 
@@ -852,9 +889,6 @@
     auto appSegmentSize = findAppSegmentsSize(inputFrame.appSegmentBuffer.data,
             inputFrame.appSegmentBuffer.width * inputFrame.appSegmentBuffer.height,
             &app1Size);
-    ALOGV("%s: appSegmentSize is %zu, width %d, height %d, app1Size %zu", __FUNCTION__,
-          appSegmentSize, inputFrame.appSegmentBuffer.width,
-          inputFrame.appSegmentBuffer.height, app1Size);
     if (appSegmentSize == 0) {
         ALOGE("%s: Failed to find JPEG APP segment size", __FUNCTION__);
         return NO_INIT;
@@ -910,7 +944,16 @@
                 __FUNCTION__, strerror(-res), res);
         return res;
     }
+
+    ALOGV("%s: [%" PRId64 "]: appSegmentSize is %zu, width %d, height %d, app1Size %zu",
+          __FUNCTION__, timestamp, appSegmentSize, inputFrame.appSegmentBuffer.width,
+          inputFrame.appSegmentBuffer.height, app1Size);
+
     inputFrame.appSegmentWritten = true;
+    // Release the buffer now so any pending input app segments can be processed
+    mAppSegmentConsumer->unlockBuffer(inputFrame.appSegmentBuffer);
+    inputFrame.appSegmentBuffer.data = nullptr;
+    mLockedAppSegmentBufferCnt--;
 
     return OK;
 }
@@ -934,8 +977,9 @@
                 mOutputWidth - tileX * mGridWidth : mGridWidth;
         size_t height = (tileY == static_cast<size_t>(mGridRows) - 1) ?
                 mOutputHeight - tileY * mGridHeight : mGridHeight;
-        ALOGV("%s: inputBuffer tileIndex [%zu, %zu], top %zu, left %zu, width %zu, height %zu",
-                __FUNCTION__, tileX, tileY, top, left, width, height);
+        ALOGV("%s: inputBuffer tileIndex [%zu, %zu], top %zu, left %zu, width %zu, height %zu,"
+                " timeUs %" PRId64, __FUNCTION__, tileX, tileY, top, left, width, height,
+                inputBuffer.timeUs);
 
         res = copyOneYuvTile(buffer, inputFrame.yuvBuffer, top, left, width, height);
         if (res != OK) {
@@ -990,6 +1034,9 @@
     }
 
     inputFrame.codecOutputBuffers.erase(inputFrame.codecOutputBuffers.begin());
+
+    ALOGV("%s: [%" PRId64 "]: Output buffer index %d",
+        __FUNCTION__, timestamp, it->index);
     return OK;
 }
 
@@ -1046,7 +1093,9 @@
         return res;
     }
     inputFrame.anb = nullptr;
+    mDequeuedOutputBufferCnt--;
 
+    ALOGV("%s: [%" PRId64 "]", __FUNCTION__, timestamp);
     ATRACE_ASYNC_END("HEIC capture", inputFrame.frameNumber);
     return OK;
 }
@@ -1060,7 +1109,6 @@
     if (inputFrame->appSegmentBuffer.data != nullptr) {
         mAppSegmentConsumer->unlockBuffer(inputFrame->appSegmentBuffer);
         inputFrame->appSegmentBuffer.data = nullptr;
-        mAppSegmentBufferAcquired = false;
     }
 
     while (!inputFrame->codecOutputBuffers.empty()) {
@@ -1098,11 +1146,13 @@
     }
 }
 
-void HeicCompositeStream::releaseInputFramesLocked(int64_t currentTs) {
+void HeicCompositeStream::releaseInputFramesLocked() {
     auto it = mPendingInputFrames.begin();
     while (it != mPendingInputFrames.end()) {
-        if (it->first <= currentTs) {
-            releaseInputFrameLocked(&it->second);
+        auto& inputFrame = it->second;
+        if (inputFrame.error ||
+            (inputFrame.appSegmentWritten && inputFrame.pendingOutputTiles == 0)) {
+            releaseInputFrameLocked(&inputFrame);
             it = mPendingInputFrames.erase(it);
         } else {
             it++;
@@ -1506,7 +1556,7 @@
             // In case we landed in error state, return any pending buffers and
             // halt all further processing.
             compilePendingInputLocked();
-            releaseInputFramesLocked(currentTs);
+            releaseInputFramesLocked();
             return false;
         }
 
@@ -1548,11 +1598,7 @@
         mPendingInputFrames[currentTs].error = true;
     }
 
-    if (mPendingInputFrames[currentTs].error ||
-            (mPendingInputFrames[currentTs].appSegmentWritten &&
-            mPendingInputFrames[currentTs].pendingOutputTiles == 0)) {
-        releaseInputFramesLocked(currentTs);
-    }
+    releaseInputFramesLocked();
 
     return true;
 }
@@ -1671,8 +1717,13 @@
                          ALOGE("CB_OUTPUT_FORMAT_CHANGED: format is expected.");
                          break;
                      }
-
-                     parent->onHeicFormatChanged(format);
+                     // Here format is MediaCodec's internal copy of output format.
+                     // Make a copy since onHeicFormatChanged() might modify it.
+                     sp<AMessage> formatCopy;
+                     if (format != nullptr) {
+                         formatCopy = format->dup();
+                     }
+                     parent->onHeicFormatChanged(formatCopy);
                      break;
                  }
 
diff --git a/services/camera/libcameraservice/api2/HeicCompositeStream.h b/services/camera/libcameraservice/api2/HeicCompositeStream.h
index 260c68e..04e7b83 100644
--- a/services/camera/libcameraservice/api2/HeicCompositeStream.h
+++ b/services/camera/libcameraservice/api2/HeicCompositeStream.h
@@ -25,6 +25,7 @@
 #include <media/hardware/VideoAPI.h>
 #include <media/MediaCodecBuffer.h>
 #include <media/stagefright/foundation/ALooper.h>
+#include <media/stagefright/foundation/AMessage.h>
 #include <media/stagefright/MediaCodec.h>
 #include <media/stagefright/MediaMuxer.h>
 
@@ -157,6 +158,7 @@
         bool                      errorNotified;
         int64_t                   frameNumber;
 
+        sp<AMessage>              format;
         sp<MediaMuxer>            muxer;
         int                       fenceFd;
         int                       fileFd;
@@ -187,7 +189,7 @@
     status_t processCompletedInputFrame(nsecs_t timestamp, InputFrame &inputFrame);
 
     void releaseInputFrameLocked(InputFrame *inputFrame /*out*/);
-    void releaseInputFramesLocked(int64_t currentTs);
+    void releaseInputFramesLocked();
 
     size_t findAppSegmentsSize(const uint8_t* appSegmentBuffer, size_t maxSize,
             size_t* app1SegmentSize);
@@ -205,11 +207,13 @@
             static_cast<android_dataspace>(HAL_DATASPACE_JPEG_APP_SEGMENTS);
     static const android_dataspace kHeifDataSpace =
             static_cast<android_dataspace>(HAL_DATASPACE_HEIF);
+    // Use the limit of pipeline depth in the API sepc as maximum number of acquired
+    // app segment buffers.
+    static const uint32_t kMaxAcquiredAppSegment = 8;
 
     int               mAppSegmentStreamId, mAppSegmentSurfaceId;
     sp<CpuConsumer>   mAppSegmentConsumer;
     sp<Surface>       mAppSegmentSurface;
-    bool              mAppSegmentBufferAcquired;
     size_t            mAppSegmentMaxSize;
     CameraMetadata    mStaticInfo;
 
@@ -218,9 +222,10 @@
     sp<CpuConsumer>   mMainImageConsumer; // Only applicable for HEVC codec.
     bool              mYuvBufferAcquired; // Only applicable to HEVC codec
 
+    static const int32_t kMaxOutputSurfaceProducerCount = 1;
     sp<Surface>       mOutputSurface;
     sp<ProducerListener> mProducerListener;
-
+    int32_t           mDequeuedOutputBufferCnt;
 
     // Map from frame number to JPEG setting of orientation+quality
     std::map<int64_t, std::pair<int32_t, int32_t>> mSettingsByFrameNumber;
@@ -229,11 +234,12 @@
 
     // Keep all incoming APP segment Blob buffer pending further processing.
     std::vector<int64_t> mInputAppSegmentBuffers;
+    int32_t           mLockedAppSegmentBufferCnt;
 
     // Keep all incoming HEIC blob buffer pending further processing.
     std::vector<CodecOutputBufferInfo> mCodecOutputBuffers;
     std::queue<int64_t> mCodecOutputBufferTimestamps;
-    size_t mOutputBufferCounter;
+    size_t mCodecOutputCounter;
 
     // Keep all incoming Yuv buffer pending tiling and encoding (for HEVC YUV tiling only)
     std::vector<int64_t> mInputYuvBuffers;
diff --git a/services/camera/libcameraservice/common/CameraProviderManager.cpp b/services/camera/libcameraservice/common/CameraProviderManager.cpp
index 09638d0..fdb5657 100644
--- a/services/camera/libcameraservice/common/CameraProviderManager.cpp
+++ b/services/camera/libcameraservice/common/CameraProviderManager.cpp
@@ -29,6 +29,7 @@
 #include <future>
 #include <inttypes.h>
 #include <hardware/camera_common.h>
+#include <android/hidl/manager/1.2/IServiceManager.h>
 #include <hidl/ServiceManagement.h>
 #include <functional>
 #include <camera_metadata_hidden.h>
@@ -47,10 +48,6 @@
 using std::literals::chrono_literals::operator""s;
 
 namespace {
-// Hardcoded name for the passthrough HAL implementation, since it can't be discovered via the
-// service manager
-const std::string kLegacyProviderName("legacy/0");
-const std::string kExternalProviderName("external/0");
 const bool kEnableLazyHal(property_get_bool("ro.camera.enableLazyHal", false));
 } // anonymous namespace
 
@@ -62,6 +59,19 @@
 CameraProviderManager::~CameraProviderManager() {
 }
 
+hardware::hidl_vec<hardware::hidl_string>
+CameraProviderManager::HardwareServiceInteractionProxy::listServices() {
+    hardware::hidl_vec<hardware::hidl_string> ret;
+    auto manager = hardware::defaultServiceManager1_2();
+    if (manager != nullptr) {
+        manager->listManifestByInterface(provider::V2_4::ICameraProvider::descriptor,
+                [&ret](const hardware::hidl_vec<hardware::hidl_string> &registered) {
+                    ret = registered;
+                });
+    }
+    return ret;
+}
+
 status_t CameraProviderManager::initialize(wp<CameraProviderManager::StatusListener> listener,
         ServiceInteractionProxy* proxy) {
     std::lock_guard<std::mutex> lock(mInterfaceMutex);
@@ -84,9 +94,10 @@
         return INVALID_OPERATION;
     }
 
-    // See if there's a passthrough HAL, but let's not complain if there's not
-    addProviderLocked(kLegacyProviderName, /*expected*/ false);
-    addProviderLocked(kExternalProviderName, /*expected*/ false);
+
+    for (const auto& instance : mServiceProxy->listServices()) {
+        this->addProviderLocked(instance);
+    }
 
     IPCThreadState::self()->flushCommands();
 
@@ -97,7 +108,13 @@
     std::lock_guard<std::mutex> lock(mInterfaceMutex);
     int count = 0;
     for (auto& provider : mProviders) {
-        count += provider->mUniqueCameraIds.size();
+        for (auto& id : provider->mUniqueCameraIds) {
+            // Hidden secure camera ids are not to be exposed to camera1 api.
+            if (isPublicallyHiddenSecureCameraLocked(id)) {
+                continue;
+            }
+            count++;
+        }
     }
     return count;
 }
@@ -123,7 +140,11 @@
         // for each camera facing, only take the first id advertised by HAL in
         // all [logical, physical1, physical2, ...] id combos, and filter out the rest.
         filterLogicalCameraIdsLocked(providerDeviceIds);
-
+        // Hidden secure camera ids are not to be exposed to camera1 api.
+        providerDeviceIds.erase(std::remove_if(providerDeviceIds.begin(), providerDeviceIds.end(),
+                [this](const std::string& s) {
+                    return this->isPublicallyHiddenSecureCameraLocked(s);}),
+                providerDeviceIds.end());
         deviceIds.insert(deviceIds.end(), providerDeviceIds.begin(), providerDeviceIds.end());
     }
 
@@ -1035,23 +1056,42 @@
     return deviceInfo->mIsLogicalCamera;
 }
 
-bool CameraProviderManager::isPublicallyHiddenSecureCamera(const std::string& id) {
+bool CameraProviderManager::isPublicallyHiddenSecureCamera(const std::string& id) const {
     std::lock_guard<std::mutex> lock(mInterfaceMutex);
-
-    auto deviceInfo = findDeviceInfoLocked(id);
-    if (deviceInfo == nullptr) {
-        return false;
-    }
-    return deviceInfo->mIsPublicallyHiddenSecureCamera;
+    return isPublicallyHiddenSecureCameraLocked(id);
 }
 
-bool CameraProviderManager::isHiddenPhysicalCamera(const std::string& cameraId) {
+bool CameraProviderManager::isPublicallyHiddenSecureCameraLocked(const std::string& id) const {
+    auto deviceInfo = findDeviceInfoLocked(id);
+    if (deviceInfo != nullptr) {
+        return deviceInfo->mIsPublicallyHiddenSecureCamera;
+    }
+    // If this is a hidden physical camera, we should return what kind of
+    // camera the enclosing logical camera is.
+    auto isHiddenAndParent = isHiddenPhysicalCameraInternal(id);
+    if (isHiddenAndParent.first) {
+        LOG_ALWAYS_FATAL_IF(id == isHiddenAndParent.second->mId,
+                "%s: hidden physical camera id %s and enclosing logical camera id %s are the same",
+                __FUNCTION__, id.c_str(), isHiddenAndParent.second->mId.c_str());
+        return isPublicallyHiddenSecureCameraLocked(isHiddenAndParent.second->mId);
+    }
+    // Invalid camera id
+    return true;
+}
+
+bool CameraProviderManager::isHiddenPhysicalCamera(const std::string& cameraId) const {
+    return isHiddenPhysicalCameraInternal(cameraId).first;
+}
+
+std::pair<bool, CameraProviderManager::ProviderInfo::DeviceInfo *>
+CameraProviderManager::isHiddenPhysicalCameraInternal(const std::string& cameraId) const {
+    auto falseRet = std::make_pair(false, nullptr);
     for (auto& provider : mProviders) {
         for (auto& deviceInfo : provider->mDevices) {
             if (deviceInfo->mId == cameraId) {
                 // cameraId is found in public camera IDs advertised by the
                 // provider.
-                return false;
+                return falseRet;
             }
         }
     }
@@ -1063,7 +1103,7 @@
             if (res != OK) {
                 ALOGE("%s: Failed to getCameraCharacteristics for id %s", __FUNCTION__,
                         deviceInfo->mId.c_str());
-                return false;
+                return falseRet;
             }
 
             std::vector<std::string> physicalIds;
@@ -1075,19 +1115,19 @@
                     if (deviceVersion < CAMERA_DEVICE_API_VERSION_3_5) {
                         ALOGE("%s: Wrong deviceVersion %x for hiddenPhysicalCameraId %s",
                                 __FUNCTION__, deviceVersion, cameraId.c_str());
-                        return false;
+                        return falseRet;
                     } else {
-                        return true;
+                        return std::make_pair(true, deviceInfo.get());
                     }
                 }
             }
         }
     }
 
-    return false;
+    return falseRet;
 }
 
-status_t CameraProviderManager::addProviderLocked(const std::string& newProvider, bool expected) {
+status_t CameraProviderManager::addProviderLocked(const std::string& newProvider) {
     for (const auto& providerInfo : mProviders) {
         if (providerInfo->mProviderName == newProvider) {
             ALOGW("%s: Camera provider HAL with name '%s' already registered", __FUNCTION__,
@@ -1100,13 +1140,9 @@
     interface = mServiceProxy->getService(newProvider);
 
     if (interface == nullptr) {
-        if (expected) {
-            ALOGE("%s: Camera provider HAL '%s' is not actually available", __FUNCTION__,
-                    newProvider.c_str());
-            return BAD_VALUE;
-        } else {
-            return OK;
-        }
+        ALOGE("%s: Camera provider HAL '%s' is not actually available", __FUNCTION__,
+                newProvider.c_str());
+        return BAD_VALUE;
     }
 
     sp<ProviderInfo> providerInfo = new ProviderInfo(newProvider, this);
@@ -2058,6 +2094,13 @@
     return OK;
 }
 bool CameraProviderManager::ProviderInfo::DeviceInfo3::isAPI1Compatible() const {
+    // Do not advertise NIR cameras to API1 camera app.
+    camera_metadata_ro_entry cfa = mCameraCharacteristics.find(
+            ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT);
+    if (cfa.count == 1 && cfa.data.u8[0] == ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_NIR) {
+        return false;
+    }
+
     bool isBackwardCompatible = false;
     camera_metadata_ro_entry_t caps = mCameraCharacteristics.find(
             ANDROID_REQUEST_AVAILABLE_CAPABILITIES);
diff --git a/services/camera/libcameraservice/common/CameraProviderManager.h b/services/camera/libcameraservice/common/CameraProviderManager.h
index a42fb4d..3a4655c 100644
--- a/services/camera/libcameraservice/common/CameraProviderManager.h
+++ b/services/camera/libcameraservice/common/CameraProviderManager.h
@@ -78,6 +78,7 @@
                 &notification) = 0;
         virtual sp<hardware::camera::provider::V2_4::ICameraProvider> getService(
                 const std::string &serviceName) = 0;
+        virtual hardware::hidl_vec<hardware::hidl_string> listServices() = 0;
         virtual ~ServiceInteractionProxy() {}
     };
 
@@ -95,6 +96,8 @@
                 const std::string &serviceName) override {
             return hardware::camera::provider::V2_4::ICameraProvider::getService(serviceName);
         }
+
+        virtual hardware::hidl_vec<hardware::hidl_string> listServices() override;
     };
 
     /**
@@ -269,8 +272,8 @@
      */
     bool isLogicalCamera(const std::string& id, std::vector<std::string>* physicalCameraIds);
 
-    bool isPublicallyHiddenSecureCamera(const std::string& id);
-    bool isHiddenPhysicalCamera(const std::string& cameraId);
+    bool isPublicallyHiddenSecureCamera(const std::string& id) const;
+    bool isHiddenPhysicalCamera(const std::string& cameraId) const;
 
     static const float kDepthARTolerance;
 private:
@@ -567,7 +570,7 @@
             hardware::hidl_version minVersion = hardware::hidl_version{0,0},
             hardware::hidl_version maxVersion = hardware::hidl_version{1000,0}) const;
 
-    status_t addProviderLocked(const std::string& newProvider, bool expected = true);
+    status_t addProviderLocked(const std::string& newProvider);
 
     status_t removeProvider(const std::string& provider);
     sp<StatusListener> getStatusListener() const;
@@ -591,7 +594,15 @@
 
     status_t getCameraCharacteristicsLocked(const std::string &id,
             CameraMetadata* characteristics) const;
+
+    bool isPublicallyHiddenSecureCameraLocked(const std::string& id) const;
+
     void filterLogicalCameraIdsLocked(std::vector<std::string>& deviceIds) const;
+
+    bool isPublicallyHiddenSecureCameraLocked(const std::string& id);
+
+    std::pair<bool, CameraProviderManager::ProviderInfo::DeviceInfo *>
+            isHiddenPhysicalCameraInternal(const std::string& cameraId) const;
 };
 
 } // namespace android
diff --git a/services/camera/libcameraservice/common/DepthPhotoProcessor.cpp b/services/camera/libcameraservice/common/DepthPhotoProcessor.cpp
index 3c90de0..94541d8 100644
--- a/services/camera/libcameraservice/common/DepthPhotoProcessor.cpp
+++ b/services/camera/libcameraservice/common/DepthPhotoProcessor.cpp
@@ -419,7 +419,7 @@
 
     std::vector<std::unique_ptr<Item>> items;
     std::vector<std::unique_ptr<Camera>> cameraList;
-    auto image = Image::FromDataForPrimaryImage("android/mainimage", &items);
+    auto image = Image::FromDataForPrimaryImage("image/jpeg", &items);
     std::unique_ptr<CameraParams> cameraParams(new CameraParams(std::move(image)));
     if (cameraParams == nullptr) {
         ALOGE("%s: Failed to initialize camera parameters", __FUNCTION__);
diff --git a/services/camera/libcameraservice/device3/Camera3Device.cpp b/services/camera/libcameraservice/device3/Camera3Device.cpp
index e347127..93e18cf 100644
--- a/services/camera/libcameraservice/device3/Camera3Device.cpp
+++ b/services/camera/libcameraservice/device3/Camera3Device.cpp
@@ -29,6 +29,9 @@
 #define CLOGE(fmt, ...) ALOGE("Camera %s: %s: " fmt, mId.string(), __FUNCTION__, \
             ##__VA_ARGS__)
 
+#define CLOGW(fmt, ...) ALOGW("Camera %s: %s: " fmt, mId.string(), __FUNCTION__, \
+            ##__VA_ARGS__)
+
 // Convenience macros for transitioning to the error state
 #define SET_ERR(fmt, ...) setErrorState(   \
     "%s: " fmt, __FUNCTION__,              \
@@ -3267,14 +3270,19 @@
         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 (!mIsConstrainedHighSpeedConfiguration && mInFlightMap.size() > kInFlightWarnLimit) {
-        CLOGE("In-flight list too large: %zu", mInFlightMap.size());
-    } else if (mIsConstrainedHighSpeedConfiguration && mInFlightMap.size() >
-            kInFlightWarnLimitHighSpeed) {
-        CLOGE("In-flight list too large for high speed configuration: %zu",
-                mInFlightMap.size());
+    // Sanity check - if we have too many in-flight frames with long total inflight duration,
+    // something has likely gone wrong. This might still be legit only if application send in
+    // a long burst of long exposure requests.
+    if (mExpectedInflightDuration > kMinWarnInflightDuration) {
+        if (!mIsConstrainedHighSpeedConfiguration && mInFlightMap.size() > kInFlightWarnLimit) {
+            CLOGW("In-flight list too large: %zu, total inflight duration %" PRIu64,
+                    mInFlightMap.size(), mExpectedInflightDuration);
+        } else if (mIsConstrainedHighSpeedConfiguration && mInFlightMap.size() >
+                kInFlightWarnLimitHighSpeed) {
+            CLOGW("In-flight list too large for high speed configuration: %zu,"
+                    "total inflight duration %" PRIu64,
+                    mInFlightMap.size(), mExpectedInflightDuration);
+        }
     }
 }
 
diff --git a/services/camera/libcameraservice/device3/Camera3Device.h b/services/camera/libcameraservice/device3/Camera3Device.h
index 6e8ac84..cae34ce 100644
--- a/services/camera/libcameraservice/device3/Camera3Device.h
+++ b/services/camera/libcameraservice/device3/Camera3Device.h
@@ -227,6 +227,7 @@
     static const size_t        kDumpLockAttempts  = 10;
     static const size_t        kDumpSleepDuration = 100000; // 0.10 sec
     static const nsecs_t       kActiveTimeout     = 500000000;  // 500 ms
+    static const nsecs_t       kMinWarnInflightDuration = 5000000000; // 5 s
     static const size_t        kInFlightWarnLimit = 30;
     static const size_t        kInFlightWarnLimitHighSpeed = 256; // batch size 32 * pipe depth 8
     static const nsecs_t       kDefaultExpectedDuration = 100000000; // 100 ms
diff --git a/services/camera/libcameraservice/device3/Camera3OutputStream.cpp b/services/camera/libcameraservice/device3/Camera3OutputStream.cpp
index acb8b3c..e1d35e8 100644
--- a/services/camera/libcameraservice/device3/Camera3OutputStream.cpp
+++ b/services/camera/libcameraservice/device3/Camera3OutputStream.cpp
@@ -54,9 +54,8 @@
         mState = STATE_ERROR;
     }
 
-    if (setId > CAMERA3_STREAM_SET_ID_INVALID) {
-        mBufferReleasedListener = new BufferReleasedListener(this);
-    }
+    bool needsReleaseNotify = setId > CAMERA3_STREAM_SET_ID_INVALID;
+    mBufferProducerListener = new BufferProducerListener(this, needsReleaseNotify);
 }
 
 Camera3OutputStream::Camera3OutputStream(int id,
@@ -87,9 +86,8 @@
         mState = STATE_ERROR;
     }
 
-    if (setId > CAMERA3_STREAM_SET_ID_INVALID) {
-        mBufferReleasedListener = new BufferReleasedListener(this);
-    }
+    bool needsReleaseNotify = setId > CAMERA3_STREAM_SET_ID_INVALID;
+    mBufferProducerListener = new BufferProducerListener(this, needsReleaseNotify);
 }
 
 Camera3OutputStream::Camera3OutputStream(int id,
@@ -124,10 +122,8 @@
     }
 
     mConsumerName = String8("Deferred");
-    if (setId > CAMERA3_STREAM_SET_ID_INVALID) {
-        mBufferReleasedListener = new BufferReleasedListener(this);
-    }
-
+    bool needsReleaseNotify = setId > CAMERA3_STREAM_SET_ID_INVALID;
+    mBufferProducerListener = new BufferProducerListener(this, needsReleaseNotify);
 }
 
 Camera3OutputStream::Camera3OutputStream(int id, camera3_stream_type_t type,
@@ -151,9 +147,8 @@
         mDropBuffers(false),
         mDequeueBufferLatency(kDequeueLatencyBinSize) {
 
-    if (setId > CAMERA3_STREAM_SET_ID_INVALID) {
-        mBufferReleasedListener = new BufferReleasedListener(this);
-    }
+    bool needsReleaseNotify = setId > CAMERA3_STREAM_SET_ID_INVALID;
+    mBufferProducerListener = new BufferProducerListener(this, needsReleaseNotify);
 
     // Subclasses expected to initialize mConsumer themselves
 }
@@ -261,7 +256,7 @@
         notifyBufferReleased(anwBuffer);
         if (mUseBufferManager) {
             // Return this buffer back to buffer manager.
-            mBufferReleasedListener->onBufferReleased();
+            mBufferProducerListener->onBufferReleased();
         }
     } else {
         if (mTraceFirstBuffer && (stream_type == CAMERA3_STREAM_OUTPUT)) {
@@ -387,8 +382,8 @@
     // Configure consumer-side ANativeWindow interface. The listener may be used
     // to notify buffer manager (if it is used) of the returned buffers.
     res = mConsumer->connect(NATIVE_WINDOW_API_CAMERA,
-            /*listener*/mBufferReleasedListener,
-            /*reportBufferRemoval*/true);
+            /*reportBufferRemoval*/true,
+            /*listener*/mBufferProducerListener);
     if (res != OK) {
         ALOGE("%s: Unable to connect to native window for stream %d",
                 __FUNCTION__, mId);
@@ -790,7 +785,7 @@
     return INVALID_OPERATION;
 }
 
-void Camera3OutputStream::BufferReleasedListener::onBufferReleased() {
+void Camera3OutputStream::BufferProducerListener::onBufferReleased() {
     sp<Camera3OutputStream> stream = mParent.promote();
     if (stream == nullptr) {
         ALOGV("%s: Parent camera3 output stream was destroyed", __FUNCTION__);
@@ -823,6 +818,25 @@
     }
 }
 
+void Camera3OutputStream::BufferProducerListener::onBuffersDiscarded(
+        const std::vector<sp<GraphicBuffer>>& buffers) {
+    sp<Camera3OutputStream> stream = mParent.promote();
+    if (stream == nullptr) {
+        ALOGV("%s: Parent camera3 output stream was destroyed", __FUNCTION__);
+        return;
+    }
+
+    if (buffers.size() > 0) {
+        Mutex::Autolock l(stream->mLock);
+        stream->onBuffersRemovedLocked(buffers);
+        if (stream->mUseBufferManager) {
+            stream->mBufferManager->onBuffersRemoved(stream->getId(),
+                    stream->getStreamSetId(), buffers.size());
+        }
+        ALOGV("Stream %d: %zu Buffers discarded.", stream->getId(), buffers.size());
+    }
+}
+
 void Camera3OutputStream::onBuffersRemovedLocked(
         const std::vector<sp<GraphicBuffer>>& removedBuffers) {
     sp<Camera3StreamBufferFreedListener> callback = mBufferFreedListener.promote();
diff --git a/services/camera/libcameraservice/device3/Camera3OutputStream.h b/services/camera/libcameraservice/device3/Camera3OutputStream.h
index 729c655..b4e49f9 100644
--- a/services/camera/libcameraservice/device3/Camera3OutputStream.h
+++ b/services/camera/libcameraservice/device3/Camera3OutputStream.h
@@ -146,18 +146,22 @@
      */
     virtual status_t setConsumers(const std::vector<sp<Surface>>& consumers);
 
-    class BufferReleasedListener : public BnProducerListener {
+    class BufferProducerListener : public SurfaceListener {
         public:
-          BufferReleasedListener(wp<Camera3OutputStream> parent) : mParent(parent) {}
+            BufferProducerListener(wp<Camera3OutputStream> parent, bool needsReleaseNotify)
+                    : mParent(parent), mNeedsReleaseNotify(needsReleaseNotify) {}
 
-          /**
-          * Implementation of IProducerListener, used to notify this stream that the consumer
-          * has returned a buffer and it is ready to return to Camera3BufferManager for reuse.
-          */
-          virtual void onBufferReleased();
+            /**
+            * Implementation of IProducerListener, used to notify this stream that the consumer
+            * has returned a buffer and it is ready to return to Camera3BufferManager for reuse.
+            */
+            virtual void onBufferReleased();
+            virtual bool needsReleaseNotify() { return mNeedsReleaseNotify; }
+            virtual void onBuffersDiscarded(const std::vector<sp<GraphicBuffer>>& buffers);
 
         private:
-          wp<Camera3OutputStream> mParent;
+            wp<Camera3OutputStream> mParent;
+            bool mNeedsReleaseNotify;
     };
 
     virtual status_t detachBuffer(sp<GraphicBuffer>* buffer, int* fenceFd);
@@ -262,10 +266,10 @@
     sp<Camera3BufferManager> mBufferManager;
 
     /**
-     * Buffer released listener, used to notify the buffer manager that a buffer is released
-     * from consumer side.
+     * Buffer producer listener, used to handle notification when a buffer is released
+     * from consumer side, or a set of buffers are discarded by the consumer.
      */
-    sp<BufferReleasedListener> mBufferReleasedListener;
+    sp<BufferProducerListener> mBufferProducerListener;
 
     /**
      * Flag indicating if the buffer manager is used to allocate the stream buffers
diff --git a/services/camera/libcameraservice/device3/Camera3StreamSplitter.cpp b/services/camera/libcameraservice/device3/Camera3StreamSplitter.cpp
index 84c2ec7..3089181 100644
--- a/services/camera/libcameraservice/device3/Camera3StreamSplitter.cpp
+++ b/services/camera/libcameraservice/device3/Camera3StreamSplitter.cpp
@@ -139,7 +139,9 @@
     mOutputSlots.clear();
     mConsumerBufferCount.clear();
 
-    mConsumer->consumerDisconnect();
+    if (mConsumer.get() != nullptr) {
+        mConsumer->consumerDisconnect();
+    }
 
     if (mBuffers.size() > 0) {
         SP_LOGW("%zu buffers still being tracked", mBuffers.size());
diff --git a/services/camera/libcameraservice/hidl/AidlCameraServiceListener.h b/services/camera/libcameraservice/hidl/AidlCameraServiceListener.h
index 0f6be79..b9e5857 100644
--- a/services/camera/libcameraservice/hidl/AidlCameraServiceListener.h
+++ b/services/camera/libcameraservice/hidl/AidlCameraServiceListener.h
@@ -54,6 +54,15 @@
         // TODO: no implementation yet.
         return binder::Status::ok();
     }
+    virtual binder::Status onCameraOpened(const ::android::String16& /*cameraId*/,
+            const ::android::String16& /*clientPackageId*/) {
+        // empty implementation
+        return binder::Status::ok();
+    }
+    virtual binder::Status onCameraClosed(const ::android::String16& /*cameraId*/) {
+        // empty implementation
+        return binder::Status::ok();
+    }
 };
 
 } // implementation
diff --git a/services/camera/libcameraservice/tests/CameraProviderManagerTest.cpp b/services/camera/libcameraservice/tests/CameraProviderManagerTest.cpp
index f47e5a5..78d737d 100644
--- a/services/camera/libcameraservice/tests/CameraProviderManagerTest.cpp
+++ b/services/camera/libcameraservice/tests/CameraProviderManagerTest.cpp
@@ -205,6 +205,11 @@
         return mTestCameraProvider;
     }
 
+    virtual hardware::hidl_vec<hardware::hidl_string> listServices() override {
+        hardware::hidl_vec<hardware::hidl_string> ret = {"test/0"};
+        return ret;
+    }
+
 };
 
 struct TestStatusListener : public CameraProviderManager::StatusListener {
@@ -231,37 +236,24 @@
             vendorSection);
     serviceProxy.setProvider(provider);
 
+    int numProviders = static_cast<int>(serviceProxy.listServices().size());
+
     res = providerManager->initialize(statusListener, &serviceProxy);
     ASSERT_EQ(res, OK) << "Unable to initialize provider manager";
     // Check that both "legacy" and "external" providers (really the same object) are called
     // once for all the init methods
-    EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::SET_CALLBACK], 2) <<
+    EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::SET_CALLBACK], numProviders) <<
             "Only one call to setCallback per provider expected during init";
-    EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::GET_VENDOR_TAGS], 2) <<
+    EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::GET_VENDOR_TAGS], numProviders) <<
             "Only one call to getVendorTags per provider expected during init";
-    EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::IS_SET_TORCH_MODE_SUPPORTED], 2) <<
+    EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::IS_SET_TORCH_MODE_SUPPORTED],
+            numProviders) <<
             "Only one call to isSetTorchModeSupported per provider expected during init";
-    EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::GET_CAMERA_ID_LIST], 2) <<
+    EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::GET_CAMERA_ID_LIST], numProviders) <<
             "Only one call to getCameraIdList per provider expected during init";
-    EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::NOTIFY_DEVICE_STATE], 2) <<
+    EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::NOTIFY_DEVICE_STATE], numProviders) <<
             "Only one call to notifyDeviceState per provider expected during init";
 
-    std::string legacyInstanceName = "legacy/0";
-    std::string externalInstanceName = "external/0";
-    bool gotLegacy = false;
-    bool gotExternal = false;
-    EXPECT_EQ(2u, serviceProxy.mLastRequestedServiceNames.size()) <<
-            "Only two service queries expected to be seen by hardware service manager";
-
-    for (auto& serviceName : serviceProxy.mLastRequestedServiceNames) {
-        if (serviceName == legacyInstanceName) gotLegacy = true;
-        if (serviceName == externalInstanceName) gotExternal = true;
-    }
-    ASSERT_TRUE(gotLegacy) <<
-            "Legacy instance not requested from service manager";
-    ASSERT_TRUE(gotExternal) <<
-            "External instance not requested from service manager";
-
     hardware::hidl_string testProviderFqInterfaceName =
             "android.hardware.camera.provider@2.4::ICameraProvider";
     hardware::hidl_string testProviderInstanceName = "test/0";
diff --git a/services/mediacodec/main_codecservice.cpp b/services/mediacodec/main_codecservice.cpp
index f668c33..6a82b1b 100644
--- a/services/mediacodec/main_codecservice.cpp
+++ b/services/mediacodec/main_codecservice.cpp
@@ -21,6 +21,7 @@
 #include "minijail.h"
 
 #include <binder/ProcessState.h>
+#include <cutils/properties.h>
 #include <hidl/HidlTransportSupport.h>
 #include <media/stagefright/omx/1.0/Omx.h>
 #include <media/stagefright/omx/1.0/OmxStore.h>
@@ -57,7 +58,8 @@
     } else {
         LOG(INFO) << "IOmx HAL service created.";
     }
-    sp<IOmxStore> omxStore = new implementation::OmxStore(omx);
+    sp<IOmxStore> omxStore = new implementation::OmxStore(
+            property_get_int64("vendor.media.omx", 1) ? omx : nullptr);
     if (omxStore == nullptr) {
         LOG(ERROR) << "Cannot create IOmxStore HAL service.";
     } else if (omxStore->registerAsService() != OK) {
diff --git a/services/mediacodec/registrant/Android.bp b/services/mediacodec/registrant/Android.bp
index 17c2e02..fa5bc4a 100644
--- a/services/mediacodec/registrant/Android.bp
+++ b/services/mediacodec/registrant/Android.bp
@@ -42,7 +42,8 @@
         "libcodec2_soft_opusenc",
         "libcodec2_soft_vp8dec",
         "libcodec2_soft_vp9dec",
-        "libcodec2_soft_av1dec",
+        // "libcodec2_soft_av1dec_aom",  // replaced by the gav1 implementation
+        "libcodec2_soft_av1dec_gav1",
         "libcodec2_soft_vp8enc",
         "libcodec2_soft_vp9enc",
         "libcodec2_soft_rawdec",
diff --git a/services/mediaextractor/seccomp_policy/mediaextractor-arm.policy b/services/mediaextractor/seccomp_policy/mediaextractor-arm.policy
index 38f9be6..118072e 100644
--- a/services/mediaextractor/seccomp_policy/mediaextractor-arm.policy
+++ b/services/mediaextractor/seccomp_policy/mediaextractor-arm.policy
@@ -41,6 +41,9 @@
 getgroups32: 1
 nanosleep: 1
 getrandom: 1
+timer_create: 1
+timer_settime: 1
+timer_delete: 1
 
 # for dynamically loading extractors
 pread64: 1
diff --git a/services/mediaextractor/seccomp_policy/mediaextractor-arm64.policy b/services/mediaextractor/seccomp_policy/mediaextractor-arm64.policy
index 8fd8787..481e29e 100644
--- a/services/mediaextractor/seccomp_policy/mediaextractor-arm64.policy
+++ b/services/mediaextractor/seccomp_policy/mediaextractor-arm64.policy
@@ -30,6 +30,9 @@
 getrlimit: 1
 nanosleep: 1
 getrandom: 1
+timer_create: 1
+timer_settime: 1
+timer_delete: 1
 
 # for FileSource
 readlinkat: 1
diff --git a/services/mediaextractor/seccomp_policy/mediaextractor-x86.policy b/services/mediaextractor/seccomp_policy/mediaextractor-x86.policy
index 05915d1..15fb24e 100644
--- a/services/mediaextractor/seccomp_policy/mediaextractor-x86.policy
+++ b/services/mediaextractor/seccomp_policy/mediaextractor-x86.policy
@@ -39,6 +39,9 @@
 getgroups32: 1
 nanosleep: 1
 getrandom: 1
+timer_create: 1
+timer_settime: 1
+timer_delete: 1
 
 # for dynamically loading extractors
 getdents64: 1
diff --git a/services/mediaextractor/seccomp_policy/mediaextractor-x86_64.policy b/services/mediaextractor/seccomp_policy/mediaextractor-x86_64.policy
index e6a55d0..4f2646c 100644
--- a/services/mediaextractor/seccomp_policy/mediaextractor-x86_64.policy
+++ b/services/mediaextractor/seccomp_policy/mediaextractor-x86_64.policy
@@ -34,6 +34,9 @@
 getrlimit: 1
 nanosleep: 1
 getrandom: 1
+timer_create: 1
+timer_settime: 1
+timer_delete: 1
 
 # for dynamically loading extractors
 getdents64: 1
diff --git a/services/mediaresourcemanager/ResourceManagerService.cpp b/services/mediaresourcemanager/ResourceManagerService.cpp
index 28bfd3f..bdcd5e4 100644
--- a/services/mediaresourcemanager/ResourceManagerService.cpp
+++ b/services/mediaresourcemanager/ResourceManagerService.cpp
@@ -21,8 +21,11 @@
 
 #include <binder/IMediaResourceMonitor.h>
 #include <binder/IServiceManager.h>
+#include <cutils/sched_policy.h>
 #include <dirent.h>
 #include <media/stagefright/ProcessInfo.h>
+#include <mediautils/BatteryNotifier.h>
+#include <mediautils/SchedulingPolicyService.h>
 #include <string.h>
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -31,8 +34,7 @@
 
 #include "ResourceManagerService.h"
 #include "ServiceLog.h"
-#include "mediautils/SchedulingPolicyService.h"
-#include <cutils/sched_policy.h>
+
 namespace android {
 
 namespace {
@@ -69,9 +71,9 @@
     return itemsStr;
 }
 
-static bool hasResourceType(MediaResource::Type type, const Vector<MediaResource>& resources) {
-    for (size_t i = 0; i < resources.size(); ++i) {
-        if (resources[i].mType == type) {
+static bool hasResourceType(MediaResource::Type type, const ResourceList& resources) {
+    for (auto it = resources.begin(); it != resources.end(); it++) {
+        if (it->second.mType == type) {
             return true;
         }
     }
@@ -101,20 +103,22 @@
 }
 
 static ResourceInfo& getResourceInfoForEdit(
+        uid_t uid,
         int64_t clientId,
         const sp<IResourceManagerClient>& client,
         ResourceInfos& infos) {
-    for (size_t i = 0; i < infos.size(); ++i) {
-        if (infos[i].clientId == clientId) {
-            return infos.editItemAt(i);
-        }
+    ssize_t index = infos.indexOfKey(clientId);
+
+    if (index < 0) {
+        ResourceInfo info;
+        info.uid = uid;
+        info.clientId = clientId;
+        info.client = client;
+
+        index = infos.add(clientId, info);
     }
-    ResourceInfo info;
-    info.clientId = clientId;
-    info.client = client;
-    info.cpuBoost = false;
-    infos.push_back(info);
-    return infos.editItemAt(infos.size() - 1);
+
+    return infos.editValueAt(index);
 }
 
 static void notifyResourceGranted(int pid, const Vector<MediaResource> &resources) {
@@ -181,10 +185,10 @@
             snprintf(buffer, SIZE, "        Name: %s\n", infos[j].client->getName().string());
             result.append(buffer);
 
-            Vector<MediaResource> resources = infos[j].resources;
+            const ResourceList &resources = infos[j].resources;
             result.append("        Resources:\n");
-            for (size_t k = 0; k < resources.size(); ++k) {
-                snprintf(buffer, SIZE, "          %s\n", resources[k].toString().string());
+            for (auto it = resources.begin(); it != resources.end(); it++) {
+                snprintf(buffer, SIZE, "          %s\n", it->second.toString().string());
                 result.append(buffer);
             }
         }
@@ -196,15 +200,45 @@
     return OK;
 }
 
-ResourceManagerService::ResourceManagerService()
-    : ResourceManagerService(new ProcessInfo()) {}
+struct SystemCallbackImpl :
+        public ResourceManagerService::SystemCallbackInterface {
+    SystemCallbackImpl() {}
 
-ResourceManagerService::ResourceManagerService(sp<ProcessInfoInterface> processInfo)
+    virtual void noteStartVideo(int uid) override {
+        BatteryNotifier::getInstance().noteStartVideo(uid);
+    }
+    virtual void noteStopVideo(int uid) override {
+        BatteryNotifier::getInstance().noteStopVideo(uid);
+    }
+    virtual void noteResetVideo() override {
+        BatteryNotifier::getInstance().noteResetVideo();
+    }
+    virtual bool requestCpusetBoost(
+            bool enable, const sp<IInterface> &client) override {
+        return android::requestCpusetBoost(enable, client);
+    }
+
+protected:
+    virtual ~SystemCallbackImpl() {}
+
+private:
+    DISALLOW_EVIL_CONSTRUCTORS(SystemCallbackImpl);
+};
+
+ResourceManagerService::ResourceManagerService()
+    : ResourceManagerService(new ProcessInfo(), new SystemCallbackImpl()) {}
+
+ResourceManagerService::ResourceManagerService(
+        const sp<ProcessInfoInterface> &processInfo,
+        const sp<SystemCallbackInterface> &systemResource)
     : mProcessInfo(processInfo),
+      mSystemCB(systemResource),
       mServiceLog(new ServiceLog()),
       mSupportsMultipleSecureCodecs(true),
       mSupportsSecureWithNonSecureCodec(true),
-      mCpuBoostCount(0) {}
+      mCpuBoostCount(0) {
+    mSystemCB->noteResetVideo();
+}
 
 ResourceManagerService::~ResourceManagerService() {}
 
@@ -224,8 +258,41 @@
     }
 }
 
+void ResourceManagerService::onFirstAdded(
+        const MediaResource& resource, const ResourceInfo& clientInfo) {
+    // first time added
+    if (resource.mType == MediaResource::kCpuBoost
+     && resource.mSubType == MediaResource::kUnspecifiedSubType) {
+        // Request it on every new instance of kCpuBoost, as the media.codec
+        // could have died, if we only do it the first time subsequent instances
+        // never gets the boost.
+        if (mSystemCB->requestCpusetBoost(true, this) != OK) {
+            ALOGW("couldn't request cpuset boost");
+        }
+        mCpuBoostCount++;
+    } else if (resource.mType == MediaResource::kBattery
+            && resource.mSubType == MediaResource::kVideoCodec) {
+        mSystemCB->noteStartVideo(clientInfo.uid);
+    }
+}
+
+void ResourceManagerService::onLastRemoved(
+        const MediaResource& resource, const ResourceInfo& clientInfo) {
+    if (resource.mType == MediaResource::kCpuBoost
+            && resource.mSubType == MediaResource::kUnspecifiedSubType
+            && mCpuBoostCount > 0) {
+        if (--mCpuBoostCount == 0) {
+            mSystemCB->requestCpusetBoost(false, this);
+        }
+    } else if (resource.mType == MediaResource::kBattery
+            && resource.mSubType == MediaResource::kVideoCodec) {
+        mSystemCB->noteStopVideo(clientInfo.uid);
+    }
+}
+
 void ResourceManagerService::addResource(
         int pid,
+        int uid,
         int64_t clientId,
         const sp<IResourceManagerClient> client,
         const Vector<MediaResource> &resources) {
@@ -239,20 +306,15 @@
         return;
     }
     ResourceInfos& infos = getResourceInfosForEdit(pid, mMap);
-    ResourceInfo& info = getResourceInfoForEdit(clientId, client, infos);
-    // TODO: do the merge instead of append.
-    info.resources.appendVector(resources);
+    ResourceInfo& info = getResourceInfoForEdit(uid, clientId, client, infos);
 
     for (size_t i = 0; i < resources.size(); ++i) {
-        if (resources[i].mType == MediaResource::kCpuBoost && !info.cpuBoost) {
-            info.cpuBoost = true;
-            // Request it on every new instance of kCpuBoost, as the media.codec
-            // could have died, if we only do it the first time subsequent instances
-            // never gets the boost.
-            if (requestCpusetBoost(true, this) != OK) {
-                ALOGW("couldn't request cpuset boost");
-            }
-            mCpuBoostCount++;
+        const auto resType = std::make_pair(resources[i].mType, resources[i].mSubType);
+        if (info.resources.find(resType) == info.resources.end()) {
+            onFirstAdded(resources[i], info);
+            info.resources[resType] = resources[i];
+        } else {
+            info.resources[resType].mValue += resources[i].mValue;
         }
     }
     if (info.deathNotifier == nullptr) {
@@ -262,7 +324,48 @@
     notifyResourceGranted(pid, resources);
 }
 
-void ResourceManagerService::removeResource(int pid, int64_t clientId) {
+void ResourceManagerService::removeResource(int pid, int64_t clientId,
+        const Vector<MediaResource> &resources) {
+    String8 log = String8::format("removeResource(pid %d, clientId %lld, resources %s)",
+            pid, (long long) clientId, getString(resources).string());
+    mServiceLog->add(log);
+
+    Mutex::Autolock lock(mLock);
+    if (!mProcessInfo->isValidPid(pid)) {
+        ALOGE("Rejected removeResource call with invalid pid.");
+        return;
+    }
+    ssize_t index = mMap.indexOfKey(pid);
+    if (index < 0) {
+        ALOGV("removeResource: didn't find pid %d for clientId %lld", pid, (long long) clientId);
+        return;
+    }
+    ResourceInfos &infos = mMap.editValueAt(index);
+
+    index = infos.indexOfKey(clientId);
+    if (index < 0) {
+        ALOGV("removeResource: didn't find clientId %lld", (long long) clientId);
+        return;
+    }
+
+    ResourceInfo &info = infos.editValueAt(index);
+
+    for (size_t i = 0; i < resources.size(); ++i) {
+        const auto resType = std::make_pair(resources[i].mType, resources[i].mSubType);
+        // ignore if we don't have it
+        if (info.resources.find(resType) != info.resources.end()) {
+            MediaResource &resource = info.resources[resType];
+            if (resource.mValue > resources[i].mValue) {
+                resource.mValue -= resources[i].mValue;
+            } else {
+                onLastRemoved(resources[i], info);
+                info.resources.erase(resType);
+            }
+        }
+    }
+}
+
+void ResourceManagerService::removeClient(int pid, int64_t clientId) {
     removeResource(pid, clientId, true);
 }
 
@@ -282,24 +385,22 @@
         ALOGV("removeResource: didn't find pid %d for clientId %lld", pid, (long long) clientId);
         return;
     }
-    bool found = false;
     ResourceInfos &infos = mMap.editValueAt(index);
-    for (size_t j = 0; j < infos.size(); ++j) {
-        if (infos[j].clientId == clientId) {
-            if (infos[j].cpuBoost && mCpuBoostCount > 0) {
-                if (--mCpuBoostCount == 0) {
-                    requestCpusetBoost(false, this);
-                }
-            }
-            IInterface::asBinder(infos[j].client)->unlinkToDeath(infos[j].deathNotifier);
-            j = infos.removeAt(j);
-            found = true;
-            break;
-        }
+
+    index = infos.indexOfKey(clientId);
+    if (index < 0) {
+        ALOGV("removeResource: didn't find clientId %lld", (long long) clientId);
+        return;
     }
-    if (!found) {
-        ALOGV("didn't find client");
+
+    const ResourceInfo &info = infos[index];
+    for (auto it = info.resources.begin(); it != info.resources.end(); it++) {
+        onLastRemoved(it->second, info);
     }
+
+    IInterface::asBinder(info.client)->unlinkToDeath(info.deathNotifier);
+
+    infos.removeItemsAt(index);
 }
 
 void ResourceManagerService::getClientForResource_l(
@@ -410,7 +511,7 @@
             ResourceInfos &infos = mMap.editValueAt(i);
             for (size_t j = 0; j < infos.size();) {
                 if (infos[j].client == failedClient) {
-                    j = infos.removeAt(j);
+                    j = infos.removeItemsAt(j);
                     found = true;
                 } else {
                     ++j;
@@ -538,11 +639,12 @@
     uint64_t largestValue = 0;
     const ResourceInfos &infos = mMap.valueAt(index);
     for (size_t i = 0; i < infos.size(); ++i) {
-        Vector<MediaResource> resources = infos[i].resources;
-        for (size_t j = 0; j < resources.size(); ++j) {
-            if (resources[j].mType == type) {
-                if (resources[j].mValue > largestValue) {
-                    largestValue = resources[j].mValue;
+        const ResourceList &resources = infos[i].resources;
+        for (auto it = resources.begin(); it != resources.end(); it++) {
+            const MediaResource &resource = it->second;
+            if (resource.mType == type) {
+                if (resource.mValue > largestValue) {
+                    largestValue = resource.mValue;
                     clientTemp = infos[i].client;
                 }
             }
diff --git a/services/mediaresourcemanager/ResourceManagerService.h b/services/mediaresourcemanager/ResourceManagerService.h
index 82d2a0b..f086dc3 100644
--- a/services/mediaresourcemanager/ResourceManagerService.h
+++ b/services/mediaresourcemanager/ResourceManagerService.h
@@ -33,15 +33,17 @@
 class ServiceLog;
 struct ProcessInfoInterface;
 
+typedef std::map<std::pair<MediaResource::Type, MediaResource::SubType>, MediaResource> ResourceList;
 struct ResourceInfo {
     int64_t clientId;
+    uid_t uid;
     sp<IResourceManagerClient> client;
     sp<IBinder::DeathRecipient> deathNotifier;
-    Vector<MediaResource> resources;
-    bool cpuBoost;
+    ResourceList resources;
 };
 
-typedef Vector<ResourceInfo> ResourceInfos;
+// TODO: convert these to std::map
+typedef KeyedVector<int64_t, ResourceInfo> ResourceInfos;
 typedef KeyedVector<int, ResourceInfos> PidResourceInfosMap;
 
 class ResourceManagerService
@@ -49,23 +51,37 @@
       public BnResourceManagerService
 {
 public:
+    struct SystemCallbackInterface : public RefBase {
+        virtual void noteStartVideo(int uid) = 0;
+        virtual void noteStopVideo(int uid) = 0;
+        virtual void noteResetVideo() = 0;
+        virtual bool requestCpusetBoost(
+                bool enable, const sp<IInterface> &client) = 0;
+    };
+
     static char const *getServiceName() { return "media.resource_manager"; }
 
     virtual status_t dump(int fd, const Vector<String16>& args);
 
     ResourceManagerService();
-    explicit ResourceManagerService(sp<ProcessInfoInterface> processInfo);
+    explicit ResourceManagerService(
+            const sp<ProcessInfoInterface> &processInfo,
+            const sp<SystemCallbackInterface> &systemResource);
 
     // IResourceManagerService interface
     virtual void config(const Vector<MediaResourcePolicy> &policies);
 
     virtual void addResource(
             int pid,
+            int uid,
             int64_t clientId,
             const sp<IResourceManagerClient> client,
             const Vector<MediaResource> &resources);
 
-    virtual void removeResource(int pid, int64_t clientId);
+    virtual void removeResource(int pid, int64_t clientId,
+            const Vector<MediaResource> &resources);
+
+    virtual void removeClient(int pid, int64_t clientId);
 
     // Tries to reclaim resource from processes with lower priority than the calling process
     // according to the requested resources.
@@ -107,8 +123,12 @@
     void getClientForResource_l(
         int callingPid, const MediaResource *res, Vector<sp<IResourceManagerClient>> *clients);
 
+    void onFirstAdded(const MediaResource& res, const ResourceInfo& clientInfo);
+    void onLastRemoved(const MediaResource& res, const ResourceInfo& clientInfo);
+
     mutable Mutex mLock;
     sp<ProcessInfoInterface> mProcessInfo;
+    sp<SystemCallbackInterface> mSystemCB;
     sp<ServiceLog> mServiceLog;
     PidResourceInfosMap mMap;
     bool mSupportsMultipleSecureCodecs;
diff --git a/services/mediaresourcemanager/TEST_MAPPING b/services/mediaresourcemanager/TEST_MAPPING
new file mode 100644
index 0000000..418b159
--- /dev/null
+++ b/services/mediaresourcemanager/TEST_MAPPING
@@ -0,0 +1,10 @@
+{
+  "presubmit": [
+    {
+       "name": "ResourceManagerService_test"
+    },
+    {
+       "name": "ServiceLog_test"
+    }
+  ]
+}
diff --git a/services/mediaresourcemanager/test/Android.bp b/services/mediaresourcemanager/test/Android.bp
index 70e8833..543c87c 100644
--- a/services/mediaresourcemanager/test/Android.bp
+++ b/services/mediaresourcemanager/test/Android.bp
@@ -2,6 +2,7 @@
 cc_test {
     name: "ResourceManagerService_test",
     srcs: ["ResourceManagerService_test.cpp"],
+    test_suites: ["device-tests"],
     shared_libs: [
         "libbinder",
         "liblog",
@@ -23,6 +24,7 @@
 cc_test {
     name: "ServiceLog_test",
     srcs: ["ServiceLog_test.cpp"],
+    test_suites: ["device-tests"],
     shared_libs: [
         "liblog",
         "libmedia",
diff --git a/services/mediaresourcemanager/test/ResourceManagerService_test.cpp b/services/mediaresourcemanager/test/ResourceManagerService_test.cpp
index ed0b0ef..ae97ec8 100644
--- a/services/mediaresourcemanager/test/ResourceManagerService_test.cpp
+++ b/services/mediaresourcemanager/test/ResourceManagerService_test.cpp
@@ -52,13 +52,69 @@
     DISALLOW_EVIL_CONSTRUCTORS(TestProcessInfo);
 };
 
+struct TestSystemCallback :
+        public ResourceManagerService::SystemCallbackInterface {
+    TestSystemCallback() :
+        mLastEvent({EventType::INVALID, 0}), mEventCount(0) {}
+
+    enum EventType {
+        INVALID          = -1,
+        VIDEO_ON         = 0,
+        VIDEO_OFF        = 1,
+        VIDEO_RESET      = 2,
+        CPUSET_ENABLE    = 3,
+        CPUSET_DISABLE   = 4,
+    };
+
+    struct EventEntry {
+        EventType type;
+        int arg;
+    };
+
+    virtual void noteStartVideo(int uid) override {
+        mLastEvent = {EventType::VIDEO_ON, uid};
+        mEventCount++;
+    }
+
+    virtual void noteStopVideo(int uid) override {
+        mLastEvent = {EventType::VIDEO_OFF, uid};
+        mEventCount++;
+    }
+
+    virtual void noteResetVideo() override {
+        mLastEvent = {EventType::VIDEO_RESET, 0};
+        mEventCount++;
+    }
+
+    virtual bool requestCpusetBoost(
+            bool enable, const sp<IInterface> &/*client*/) override {
+        mLastEvent = {enable ? EventType::CPUSET_ENABLE : EventType::CPUSET_DISABLE, 0};
+        mEventCount++;
+        return true;
+    }
+
+    size_t eventCount() { return mEventCount; }
+    EventType lastEventType() { return mLastEvent.type; }
+    EventEntry lastEvent() { return mLastEvent; }
+
+protected:
+    virtual ~TestSystemCallback() {}
+
+private:
+    EventEntry mLastEvent;
+    size_t mEventCount;
+
+    DISALLOW_EVIL_CONSTRUCTORS(TestSystemCallback);
+};
+
+
 struct TestClient : public BnResourceManagerClient {
     TestClient(int pid, sp<ResourceManagerService> service)
         : mReclaimed(false), mPid(pid), mService(service) {}
 
     virtual bool reclaimResource() {
         sp<IResourceManagerClient> client(this);
-        mService->removeResource(mPid, (int64_t) client.get());
+        mService->removeClient(mPid, (int64_t) client.get());
         mReclaimed = true;
         return true;
     }
@@ -86,16 +142,26 @@
 };
 
 static const int kTestPid1 = 30;
+static const int kTestUid1 = 1010;
+
 static const int kTestPid2 = 20;
+static const int kTestUid2 = 1011;
 
 static const int kLowPriorityPid = 40;
 static const int kMidPriorityPid = 25;
 static const int kHighPriorityPid = 10;
 
+using EventType = TestSystemCallback::EventType;
+using EventEntry = TestSystemCallback::EventEntry;
+bool operator== (const EventEntry& lhs, const EventEntry& rhs) {
+    return lhs.type == rhs.type && lhs.arg == rhs.arg;
+}
+
 class ResourceManagerServiceTest : public ::testing::Test {
 public:
     ResourceManagerServiceTest()
-        : mService(new ResourceManagerService(new TestProcessInfo)),
+        : mSystemCB(new TestSystemCallback()),
+          mService(new ResourceManagerService(new TestProcessInfo, mSystemCB)),
           mTestClient1(new TestClient(kTestPid1, mService)),
           mTestClient2(new TestClient(kTestPid2, mService)),
           mTestClient3(new TestClient(kTestPid2, mService)) {
@@ -103,20 +169,21 @@
 
 protected:
     static bool isEqualResources(const Vector<MediaResource> &resources1,
-            const Vector<MediaResource> &resources2) {
-        if (resources1.size() != resources2.size()) {
-            return false;
-        }
+            const ResourceList &resources2) {
+        // convert resource1 to ResourceList
+        ResourceList r1;
         for (size_t i = 0; i < resources1.size(); ++i) {
-            if (resources1[i] != resources2[i]) {
-                return false;
-            }
+            const auto resType = std::make_pair(resources1[i].mType, resources1[i].mSubType);
+            r1[resType] = resources1[i];
         }
-        return true;
+        return r1 == resources2;
     }
 
-    static void expectEqResourceInfo(const ResourceInfo &info, sp<IResourceManagerClient> client,
+    static void expectEqResourceInfo(const ResourceInfo &info,
+            int uid,
+            sp<IResourceManagerClient> client,
             const Vector<MediaResource> &resources) {
+        EXPECT_EQ(uid, info.uid);
         EXPECT_EQ(client, info.client);
         EXPECT_TRUE(isEqualResources(resources, info.resources));
     }
@@ -153,24 +220,24 @@
         // kTestPid1 mTestClient1
         Vector<MediaResource> resources1;
         resources1.push_back(MediaResource(MediaResource::kSecureCodec, 1));
-        mService->addResource(kTestPid1, getId(mTestClient1), mTestClient1, resources1);
+        mService->addResource(kTestPid1, kTestUid1, getId(mTestClient1), mTestClient1, resources1);
         resources1.push_back(MediaResource(MediaResource::kGraphicMemory, 200));
         Vector<MediaResource> resources11;
         resources11.push_back(MediaResource(MediaResource::kGraphicMemory, 200));
-        mService->addResource(kTestPid1, getId(mTestClient1), mTestClient1, resources11);
+        mService->addResource(kTestPid1, kTestUid1, getId(mTestClient1), mTestClient1, resources11);
 
         // kTestPid2 mTestClient2
         Vector<MediaResource> resources2;
         resources2.push_back(MediaResource(MediaResource::kNonSecureCodec, 1));
         resources2.push_back(MediaResource(MediaResource::kGraphicMemory, 300));
-        mService->addResource(kTestPid2, getId(mTestClient2), mTestClient2, resources2);
+        mService->addResource(kTestPid2, kTestUid2, getId(mTestClient2), mTestClient2, resources2);
 
         // kTestPid2 mTestClient3
         Vector<MediaResource> resources3;
-        mService->addResource(kTestPid2, getId(mTestClient3), mTestClient3, resources3);
+        mService->addResource(kTestPid2, kTestUid2, getId(mTestClient3), mTestClient3, resources3);
         resources3.push_back(MediaResource(MediaResource::kSecureCodec, 1));
         resources3.push_back(MediaResource(MediaResource::kGraphicMemory, 100));
-        mService->addResource(kTestPid2, getId(mTestClient3), mTestClient3, resources3);
+        mService->addResource(kTestPid2, kTestUid2, getId(mTestClient3), mTestClient3, resources3);
 
         const PidResourceInfosMap &map = mService->mMap;
         EXPECT_EQ(2u, map.size());
@@ -178,14 +245,14 @@
         ASSERT_GE(index1, 0);
         const ResourceInfos &infos1 = map[index1];
         EXPECT_EQ(1u, infos1.size());
-        expectEqResourceInfo(infos1[0], mTestClient1, resources1);
+        expectEqResourceInfo(infos1.valueFor(getId(mTestClient1)), kTestUid1, mTestClient1, resources1);
 
         ssize_t index2 = map.indexOfKey(kTestPid2);
         ASSERT_GE(index2, 0);
         const ResourceInfos &infos2 = map[index2];
         EXPECT_EQ(2u, infos2.size());
-        expectEqResourceInfo(infos2[0], mTestClient2, resources2);
-        expectEqResourceInfo(infos2[1], mTestClient3, resources3);
+        expectEqResourceInfo(infos2.valueFor(getId(mTestClient2)), kTestUid2, mTestClient2, resources2);
+        expectEqResourceInfo(infos2.valueFor(getId(mTestClient3)), kTestUid2, mTestClient3, resources3);
     }
 
     void testConfig() {
@@ -219,10 +286,84 @@
         EXPECT_TRUE(mService->mSupportsSecureWithNonSecureCodec);
     }
 
+    void testCombineResource() {
+        // kTestPid1 mTestClient1
+        Vector<MediaResource> resources1;
+        resources1.push_back(MediaResource(MediaResource::kSecureCodec, 1));
+        mService->addResource(kTestPid1, kTestUid1, getId(mTestClient1), mTestClient1, resources1);
+
+        Vector<MediaResource> resources11;
+        resources11.push_back(MediaResource(MediaResource::kGraphicMemory, 200));
+        mService->addResource(kTestPid1, kTestUid1, getId(mTestClient1), mTestClient1, resources11);
+
+        const PidResourceInfosMap &map = mService->mMap;
+        EXPECT_EQ(1u, map.size());
+        ssize_t index1 = map.indexOfKey(kTestPid1);
+        ASSERT_GE(index1, 0);
+        const ResourceInfos &infos1 = map[index1];
+        EXPECT_EQ(1u, infos1.size());
+
+        // test adding existing types to combine values
+        resources1.push_back(MediaResource(MediaResource::kGraphicMemory, 100));
+        mService->addResource(kTestPid1, kTestUid1, getId(mTestClient1), mTestClient1, resources1);
+
+        Vector<MediaResource> expected;
+        expected.push_back(MediaResource(MediaResource::kSecureCodec, 2));
+        expected.push_back(MediaResource(MediaResource::kGraphicMemory, 300));
+        expectEqResourceInfo(infos1.valueFor(getId(mTestClient1)), kTestUid1, mTestClient1, expected);
+
+        // test adding new types (including types that differs only in subType)
+        resources11.push_back(MediaResource(MediaResource::kNonSecureCodec, 1));
+        resources11.push_back(MediaResource(MediaResource::kSecureCodec, MediaResource::kVideoCodec, 1));
+        mService->addResource(kTestPid1, kTestUid1, getId(mTestClient1), mTestClient1, resources11);
+
+        expected.clear();
+        expected.push_back(MediaResource(MediaResource::kSecureCodec, 2));
+        expected.push_back(MediaResource(MediaResource::kNonSecureCodec, 1));
+        expected.push_back(MediaResource(MediaResource::kSecureCodec, MediaResource::kVideoCodec, 1));
+        expected.push_back(MediaResource(MediaResource::kGraphicMemory, 500));
+        expectEqResourceInfo(infos1.valueFor(getId(mTestClient1)), kTestUid1, mTestClient1, expected);
+    }
+
     void testRemoveResource() {
+        // kTestPid1 mTestClient1
+        Vector<MediaResource> resources1;
+        resources1.push_back(MediaResource(MediaResource::kSecureCodec, 1));
+        mService->addResource(kTestPid1, kTestUid1, getId(mTestClient1), mTestClient1, resources1);
+
+        Vector<MediaResource> resources11;
+        resources11.push_back(MediaResource(MediaResource::kGraphicMemory, 200));
+        mService->addResource(kTestPid1, kTestUid1, getId(mTestClient1), mTestClient1, resources11);
+
+        const PidResourceInfosMap &map = mService->mMap;
+        EXPECT_EQ(1u, map.size());
+        ssize_t index1 = map.indexOfKey(kTestPid1);
+        ASSERT_GE(index1, 0);
+        const ResourceInfos &infos1 = map[index1];
+        EXPECT_EQ(1u, infos1.size());
+
+        // test partial removal
+        resources11.editItemAt(0).mValue = 100;
+        mService->removeResource(kTestPid1, getId(mTestClient1), resources11);
+
+        Vector<MediaResource> expected;
+        expected.push_back(MediaResource(MediaResource::kSecureCodec, 1));
+        expected.push_back(MediaResource(MediaResource::kGraphicMemory, 100));
+        expectEqResourceInfo(infos1.valueFor(getId(mTestClient1)), kTestUid1, mTestClient1, expected);
+
+        // test complete removal with overshoot value
+        resources11.editItemAt(0).mValue = 1000;
+        mService->removeResource(kTestPid1, getId(mTestClient1), resources11);
+
+        expected.clear();
+        expected.push_back(MediaResource(MediaResource::kSecureCodec, 1));
+        expectEqResourceInfo(infos1.valueFor(getId(mTestClient1)), kTestUid1, mTestClient1, expected);
+    }
+
+    void testRemoveClient() {
         addResource();
 
-        mService->removeResource(kTestPid2, getId(mTestClient2));
+        mService->removeClient(kTestPid2, getId(mTestClient2));
 
         const PidResourceInfosMap &map = mService->mMap;
         EXPECT_EQ(2u, map.size());
@@ -231,6 +372,7 @@
         EXPECT_EQ(1u, infos1.size());
         EXPECT_EQ(1u, infos2.size());
         // mTestClient2 has been removed.
+        // (OK to use infos2[0] as there is only 1 entry)
         EXPECT_EQ(mTestClient3, infos2[0].client);
     }
 
@@ -246,6 +388,7 @@
         EXPECT_TRUE(mService->getAllClients_l(kHighPriorityPid, type, &clients));
 
         EXPECT_EQ(2u, clients.size());
+        // (OK to require ordering in clients[], as the pid map is sorted)
         EXPECT_EQ(mTestClient3, clients[0]);
         EXPECT_EQ(mTestClient1, clients[1]);
     }
@@ -438,7 +581,7 @@
             verifyClients(true /* c1 */, false /* c2 */, false /* c3 */);
 
             // clean up client 3 which still left
-            mService->removeResource(kTestPid2, getId(mTestClient3));
+            mService->removeClient(kTestPid2, getId(mTestClient3));
         }
     }
 
@@ -498,6 +641,84 @@
         EXPECT_TRUE(mService->isCallingPriorityHigher_l(99, 100));
     }
 
+    void testBatteryStats() {
+        // reset should always be called when ResourceManagerService is created (restarted)
+        EXPECT_EQ(1u, mSystemCB->eventCount());
+        EXPECT_EQ(EventType::VIDEO_RESET, mSystemCB->lastEventType());
+
+        // new client request should cause VIDEO_ON
+        Vector<MediaResource> resources1;
+        resources1.push_back(MediaResource(MediaResource::kBattery, MediaResource::kVideoCodec, 1));
+        mService->addResource(kTestPid1, kTestUid1, getId(mTestClient1), mTestClient1, resources1);
+        EXPECT_EQ(2u, mSystemCB->eventCount());
+        EXPECT_EQ(EventEntry({EventType::VIDEO_ON, kTestUid1}), mSystemCB->lastEvent());
+
+        // each client should only cause 1 VIDEO_ON
+        mService->addResource(kTestPid1, kTestUid1, getId(mTestClient1), mTestClient1, resources1);
+        EXPECT_EQ(2u, mSystemCB->eventCount());
+
+        // new client request should cause VIDEO_ON
+        Vector<MediaResource> resources2;
+        resources2.push_back(MediaResource(MediaResource::kBattery, MediaResource::kVideoCodec, 2));
+        mService->addResource(kTestPid2, kTestUid2, getId(mTestClient2), mTestClient2, resources2);
+        EXPECT_EQ(3u, mSystemCB->eventCount());
+        EXPECT_EQ(EventEntry({EventType::VIDEO_ON, kTestUid2}), mSystemCB->lastEvent());
+
+        // partially remove mTestClient1's request, shouldn't be any VIDEO_OFF
+        mService->removeResource(kTestPid1, getId(mTestClient1), resources1);
+        EXPECT_EQ(3u, mSystemCB->eventCount());
+
+        // remove mTestClient1's request, should be VIDEO_OFF for kTestUid1
+        // (use resource2 to test removing more instances than previously requested)
+        mService->removeResource(kTestPid1, getId(mTestClient1), resources2);
+        EXPECT_EQ(4u, mSystemCB->eventCount());
+        EXPECT_EQ(EventEntry({EventType::VIDEO_OFF, kTestUid1}), mSystemCB->lastEvent());
+
+        // remove mTestClient2, should be VIDEO_OFF for kTestUid2
+        mService->removeClient(kTestPid2, getId(mTestClient2));
+        EXPECT_EQ(5u, mSystemCB->eventCount());
+        EXPECT_EQ(EventEntry({EventType::VIDEO_OFF, kTestUid2}), mSystemCB->lastEvent());
+    }
+
+    void testCpusetBoost() {
+        // reset should always be called when ResourceManagerService is created (restarted)
+        EXPECT_EQ(1u, mSystemCB->eventCount());
+        EXPECT_EQ(EventType::VIDEO_RESET, mSystemCB->lastEventType());
+
+        // new client request should cause CPUSET_ENABLE
+        Vector<MediaResource> resources1;
+        resources1.push_back(MediaResource(MediaResource::kCpuBoost, 1));
+        mService->addResource(kTestPid1, kTestUid1, getId(mTestClient1), mTestClient1, resources1);
+        EXPECT_EQ(2u, mSystemCB->eventCount());
+        EXPECT_EQ(EventType::CPUSET_ENABLE, mSystemCB->lastEventType());
+
+        // each client should only cause 1 CPUSET_ENABLE
+        mService->addResource(kTestPid1, kTestUid1, getId(mTestClient1), mTestClient1, resources1);
+        EXPECT_EQ(2u, mSystemCB->eventCount());
+
+        // new client request should cause CPUSET_ENABLE
+        Vector<MediaResource> resources2;
+        resources2.push_back(MediaResource(MediaResource::kCpuBoost, 2));
+        mService->addResource(kTestPid2, kTestUid2, getId(mTestClient2), mTestClient2, resources2);
+        EXPECT_EQ(3u, mSystemCB->eventCount());
+        EXPECT_EQ(EventType::CPUSET_ENABLE, mSystemCB->lastEventType());
+
+        // remove mTestClient2 should not cause CPUSET_DISABLE, mTestClient1 still active
+        mService->removeClient(kTestPid2, getId(mTestClient2));
+        EXPECT_EQ(3u, mSystemCB->eventCount());
+
+        // remove 1 cpuboost from mTestClient1, should not be CPUSET_DISABLE (still 1 left)
+        mService->removeResource(kTestPid1, getId(mTestClient1), resources1);
+        EXPECT_EQ(3u, mSystemCB->eventCount());
+
+        // remove 2 cpuboost from mTestClient1, should be CPUSET_DISABLE
+        // (use resource2 to test removing more than previously requested)
+        mService->removeResource(kTestPid1, getId(mTestClient1), resources2);
+        EXPECT_EQ(4u, mSystemCB->eventCount());
+        EXPECT_EQ(EventType::CPUSET_DISABLE, mSystemCB->lastEventType());
+    }
+
+    sp<TestSystemCallback> mSystemCB;
     sp<ResourceManagerService> mService;
     sp<IResourceManagerClient> mTestClient1;
     sp<IResourceManagerClient> mTestClient2;
@@ -512,10 +733,18 @@
     addResource();
 }
 
+TEST_F(ResourceManagerServiceTest, combineResource) {
+    testCombineResource();
+}
+
 TEST_F(ResourceManagerServiceTest, removeResource) {
     testRemoveResource();
 }
 
+TEST_F(ResourceManagerServiceTest, removeClient) {
+    testRemoveClient();
+}
+
 TEST_F(ResourceManagerServiceTest, reclaimResource) {
     testReclaimResourceSecure();
     testReclaimResourceNonSecure();
@@ -541,4 +770,12 @@
     testIsCallingPriorityHigher();
 }
 
+TEST_F(ResourceManagerServiceTest, testBatteryStats) {
+    testBatteryStats();
+}
+
+TEST_F(ResourceManagerServiceTest, testCpusetBoost) {
+    testCpusetBoost();
+}
+
 } // namespace android
diff --git a/services/soundtrigger/SoundTriggerHwService.cpp b/services/soundtrigger/SoundTriggerHwService.cpp
index 377d30b..51afdcd 100644
--- a/services/soundtrigger/SoundTriggerHwService.cpp
+++ b/services/soundtrigger/SoundTriggerHwService.cpp
@@ -40,6 +40,32 @@
 #define HW_MODULE_PREFIX "primary"
 namespace android {
 
+namespace {
+
+// Given an IMemory, returns a copy of its content along with its size.
+// Returns nullptr on failure or if input is nullptr.
+std::pair<std::unique_ptr<uint8_t[]>,
+          size_t> CopyToArray(const sp<IMemory>& mem) {
+    if (mem == nullptr) {
+        return std::make_pair(nullptr, 0);
+    }
+
+    const size_t size = mem->size();
+    if (size == 0) {
+        return std::make_pair(nullptr, 0);
+    }
+
+    std::unique_ptr<uint8_t[]> ar = std::make_unique<uint8_t[]>(size);
+    if (ar == nullptr) {
+        return std::make_pair(nullptr, 0);
+    }
+
+    memcpy(ar.get(), mem->pointer(), size);
+    return std::make_pair(std::move(ar), size);
+}
+
+}
+
 SoundTriggerHwService::SoundTriggerHwService()
     : BnSoundTriggerHwService(),
       mNextUniqueId(1),
@@ -557,8 +583,13 @@
         return NO_INIT;
     }
 
-    struct sound_trigger_sound_model *sound_model =
-            (struct sound_trigger_sound_model *)modelMemory->pointer();
+    auto immutableMemory = CopyToArray(modelMemory);
+    if (immutableMemory.first == nullptr) {
+        return NO_MEMORY;
+    }
+
+    struct sound_trigger_sound_model* sound_model =
+        (struct sound_trigger_sound_model*) immutableMemory.first.get();
 
     size_t structSize;
     if (sound_model->type == SOUND_MODEL_TYPE_KEYPHRASE) {
@@ -568,9 +599,10 @@
     }
 
     if (sound_model->data_offset < structSize ||
-           sound_model->data_size > (UINT_MAX - sound_model->data_offset) ||
-           modelMemory->size() < sound_model->data_offset ||
-           sound_model->data_size > (modelMemory->size() - sound_model->data_offset)) {
+        sound_model->data_size > (UINT_MAX - sound_model->data_offset) ||
+        immutableMemory.second < sound_model->data_offset ||
+            sound_model->data_size >
+            (immutableMemory.second - sound_model->data_offset)) {
         android_errorWriteLog(0x534e4554, "30148546");
         ALOGE("loadSoundModel() data_size is too big");
         return BAD_VALUE;
@@ -651,13 +683,19 @@
         return NO_INIT;
     }
 
-    struct sound_trigger_recognition_config *config =
-            (struct sound_trigger_recognition_config *)dataMemory->pointer();
+    auto immutableMemory = CopyToArray(dataMemory);
+    if (immutableMemory.first == nullptr) {
+        return NO_MEMORY;
+    }
+
+    struct sound_trigger_recognition_config* config =
+        (struct sound_trigger_recognition_config*) immutableMemory.first.get();
 
     if (config->data_offset < sizeof(struct sound_trigger_recognition_config) ||
-            config->data_size > (UINT_MAX - config->data_offset) ||
-            dataMemory->size() < config->data_offset ||
-            config->data_size > (dataMemory->size() - config->data_offset)) {
+        config->data_size > (UINT_MAX - config->data_offset) ||
+        immutableMemory.second < config->data_offset ||
+            config->data_size >
+            (immutableMemory.second - config->data_offset)) {
         ALOGE("startRecognition() data_size is too big");
         return BAD_VALUE;
     }