diff --git a/media/codec2/TEST_MAPPING b/media/codec2/TEST_MAPPING
index e01f452..5a60243 100644
--- a/media/codec2/TEST_MAPPING
+++ b/media/codec2/TEST_MAPPING
@@ -1,31 +1,16 @@
 {
-  "presubmit": [
+  "postsubmit": [
     {
-      "name": "GtsMediaTestCases",
-      "options" : [
+      // TODO: move to presubmit once we verify the tests are not flaky
+      "name": "CtsMediaTestCases",
+      "options": [
         {
-	  "include-annotation": "android.platform.test.annotations.Presubmit"
+          "include-annotation": "android.platform.test.annotations.Presubmit"
         },
         {
-          "include-filter": "com.google.android.media.gts.WidevineGenericOpsTests"
+          "exclude-annotation": "android.platform.test.annotations.RequiresDevice"
         }
       ]
-    },
-    {
-      "name": "GtsExoPlayerTestCases",
-      "options" : [
-        {
-	  "include-annotation": "android.platform.test.annotations.SocPresubmit"
-        },
-        {
-          "include-filter": "com.google.android.exoplayer.gts.DashTest#testWidevine23FpsH264Fixed"
-        }
-      ]
-    }
-  ],
-  "imports": [
-    {
-      "path": "frameworks/av/drm/mediadrm/plugins"
     }
   ]
 }
diff --git a/media/codec2/hidl/1.0/utils/InputSurfaceConnection.cpp b/media/codec2/hidl/1.0/utils/InputSurfaceConnection.cpp
index 5cc0d53..5ec88ec 100644
--- a/media/codec2/hidl/1.0/utils/InputSurfaceConnection.cpp
+++ b/media/codec2/hidl/1.0/utils/InputSurfaceConnection.cpp
@@ -160,12 +160,12 @@
             return false;
         }
         for (int32_t i = 0; i < kBufferCount; ++i) {
-            if (!mSource->onInputBufferAdded(i).isOk()) {
+            if (mSource->onInputBufferAdded(i) != OK) {
                 LOG(WARNING) << "Impl::init: failed to populate GBS slots.";
                 return false;
             }
         }
-        if (!mSource->start().isOk()) {
+        if (mSource->start() != OK) {
             LOG(WARNING) << "Impl::init -- GBS failed to start.";
             return false;
         }
diff --git a/media/codec2/sfplugin/Android.bp b/media/codec2/sfplugin/Android.bp
index 94034b5..cb60a45 100644
--- a/media/codec2/sfplugin/Android.bp
+++ b/media/codec2/sfplugin/Android.bp
@@ -45,7 +45,7 @@
         "libmedia_codeclist",
         "libmedia_omx",
         "libsfplugin_ccodec_utils",
-        "libstagefright_bufferqueue_helper",
+        "libstagefright_bufferqueue_helper_client",
         "libstagefright_codecbase",
         "libstagefright_foundation",
         "libstagefright_omx",
diff --git a/media/extractors/midi/Android.bp b/media/extractors/midi/Android.bp
index 592ffa9..ca721df 100644
--- a/media/extractors/midi/Android.bp
+++ b/media/extractors/midi/Android.bp
@@ -11,8 +11,8 @@
     static_libs: [
         "libmedia_midiiowrapper",
         "libsonivox",
-        "libstagefright_foundation"
-    ],
-
-
+        "libstagefright_foundation",
+        "libwatchdog",
+        "libbase",
+    ]
 }
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/mpeg2/Android.bp b/media/extractors/mpeg2/Android.bp
index ef8431e..d7c4b5c 100644
--- a/media/extractors/mpeg2/Android.bp
+++ b/media/extractors/mpeg2/Android.bp
@@ -29,7 +29,6 @@
         "android.hidl.token@1.0",
         "android.hidl.token@1.0-utils",
         "libbase",
-        "libbinderthreadstate",
         "libcutils",
         "libhidlbase",
         "libhidlmemory",
diff --git a/media/extractors/tests/Android.bp b/media/extractors/tests/Android.bp
index 059c308..fa39b64 100644
--- a/media/extractors/tests/Android.bp
+++ b/media/extractors/tests/Android.bp
@@ -33,6 +33,7 @@
         "libmp4extractor",
         "libaudioutils",
         "libdatasource",
+        "libwatchdog",
 
         "libstagefright",
         "libstagefright_id3",
@@ -65,6 +66,7 @@
         "libcrypto",
         "libhidlmemory",
         "libhidlbase",
+        "libbase",
     ],
 
     include_dirs: [
diff --git a/media/libaudiohal/Android.bp b/media/libaudiohal/Android.bp
index 74b48f3..1709d1e 100644
--- a/media/libaudiohal/Android.bp
+++ b/media/libaudiohal/Android.bp
@@ -4,6 +4,7 @@
     srcs: [
         "DevicesFactoryHalInterface.cpp",
         "EffectsFactoryHalInterface.cpp",
+        "FactoryHalHidl.cpp",
     ],
 
     cflags: [
@@ -12,11 +13,17 @@
         "-Werror",
     ],
 
-    shared_libs: [
+    required: [
         "libaudiohal@2.0",
         "libaudiohal@4.0",
         "libaudiohal@5.0",
         "libaudiohal@6.0",
+    ],
+
+    shared_libs: [
+        "libdl",
+        "libhidlbase",
+        "liblog",
         "libutils",
     ],
 
diff --git a/media/libaudiohal/DevicesFactoryHalInterface.cpp b/media/libaudiohal/DevicesFactoryHalInterface.cpp
index d5336fa..325a547 100644
--- a/media/libaudiohal/DevicesFactoryHalInterface.cpp
+++ b/media/libaudiohal/DevicesFactoryHalInterface.cpp
@@ -14,16 +14,15 @@
  * limitations under the License.
  */
 
-#include <libaudiohal/FactoryHalHidl.h>
-
 #include <media/audiohal/DevicesFactoryHalInterface.h>
+#include <media/audiohal/FactoryHalHidl.h>
 
 namespace android {
 
 // static
 sp<DevicesFactoryHalInterface> DevicesFactoryHalInterface::create() {
-    return createPreferedImpl<DevicesFactoryHalInterface>();
+    return createPreferredImpl<DevicesFactoryHalInterface>(
+            "android.hardware.audio", "IDevicesFactory");
 }
 
 } // namespace android
-
diff --git a/media/libaudiohal/EffectsFactoryHalInterface.cpp b/media/libaudiohal/EffectsFactoryHalInterface.cpp
index d15b14e..bc3b4c1 100644
--- a/media/libaudiohal/EffectsFactoryHalInterface.cpp
+++ b/media/libaudiohal/EffectsFactoryHalInterface.cpp
@@ -14,15 +14,15 @@
  * limitations under the License.
  */
 
-#include <libaudiohal/FactoryHalHidl.h>
-
 #include <media/audiohal/EffectsFactoryHalInterface.h>
+#include <media/audiohal/FactoryHalHidl.h>
 
 namespace android {
 
 // static
 sp<EffectsFactoryHalInterface> EffectsFactoryHalInterface::create() {
-    return createPreferedImpl<EffectsFactoryHalInterface>();
+    return createPreferredImpl<EffectsFactoryHalInterface>(
+            "android.hardware.audio.effect", "IEffectsFactory");
 }
 
 // static
diff --git a/media/libaudiohal/FactoryHalHidl.cpp b/media/libaudiohal/FactoryHalHidl.cpp
new file mode 100644
index 0000000..5985ef0
--- /dev/null
+++ b/media/libaudiohal/FactoryHalHidl.cpp
@@ -0,0 +1,107 @@
+/*
+ * 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 "FactoryHalHidl"
+
+#include <media/audiohal/FactoryHalHidl.h>
+
+#include <dlfcn.h>
+
+#include <android/hidl/manager/1.0/IServiceManager.h>
+#include <hidl/ServiceManagement.h>
+#include <hidl/Status.h>
+#include <utils/Log.h>
+
+namespace android::detail {
+
+namespace {
+/** Supported HAL versions, in order of preference.
+ */
+const char* sAudioHALVersions[] = {
+    "6.0",
+    "5.0",
+    "4.0",
+    "2.0",
+    nullptr
+};
+
+bool createHalService(const std::string& version, const std::string& interface,
+        void** rawInterface) {
+    const std::string libName = "libaudiohal@" + version + ".so";
+    const std::string factoryFunctionName = "create" + interface;
+    constexpr int dlMode = RTLD_LAZY;
+    void* handle = nullptr;
+    dlerror(); // clear
+    handle = dlopen(libName.c_str(), dlMode);
+    if (handle == nullptr) {
+        const char* error = dlerror();
+        ALOGE("Failed to dlopen %s: %s", libName.c_str(),
+                error != nullptr ? error : "unknown error");
+        return false;
+    }
+    void* (*factoryFunction)();
+    *(void **)(&factoryFunction) = dlsym(handle, factoryFunctionName.c_str());
+    if (!factoryFunction) {
+        const char* error = dlerror();
+        ALOGE("Factory function %s not found in library %s: %s",
+                factoryFunctionName.c_str(), libName.c_str(),
+                error != nullptr ? error : "unknown error");
+        dlclose(handle);
+        return false;
+    }
+    *rawInterface = (*factoryFunction)();
+    ALOGW_IF(!*rawInterface, "Factory function %s from %s returned nullptr",
+            factoryFunctionName.c_str(), libName.c_str());
+    return true;
+}
+
+bool hasHalService(const std::string& package, const std::string& version,
+        const std::string& interface) {
+    using ::android::hidl::manager::V1_0::IServiceManager;
+    sp<IServiceManager> sm = ::android::hardware::defaultServiceManager();
+    if (!sm) {
+        ALOGE("Failed to obtain HIDL ServiceManager");
+        return false;
+    }
+    // Since audio HAL doesn't support multiple clients, avoid instantiating
+    // the interface right away. Instead, query the transport type for it.
+    using ::android::hardware::Return;
+    using Transport = IServiceManager::Transport;
+    const std::string fqName = package + "@" + version + "::" + interface;
+    const std::string instance = "default";
+    Return<Transport> transport = sm->getTransport(fqName, instance);
+    if (!transport.isOk()) {
+        ALOGE("Failed to obtain transport type for %s/%s: %s",
+                fqName.c_str(), instance.c_str(), transport.description().c_str());
+        return false;
+    }
+    return transport != Transport::EMPTY;
+}
+
+}  // namespace
+
+void* createPreferredImpl(const std::string& package, const std::string& interface) {
+    for (auto version = detail::sAudioHALVersions; version != nullptr; ++version) {
+        void* rawInterface = nullptr;
+        if (hasHalService(package, *version, interface)
+                && createHalService(*version, interface, &rawInterface)) {
+            return rawInterface;
+        }
+    }
+    return nullptr;
+}
+
+}  // namespace android::detail
diff --git a/media/libaudiohal/impl/Android.bp b/media/libaudiohal/impl/Android.bp
index e96a68c..967fba1 100644
--- a/media/libaudiohal/impl/Android.bp
+++ b/media/libaudiohal/impl/Android.bp
@@ -16,12 +16,11 @@
         "StreamHalHidl.cpp",
     ],
 
-    export_include_dirs: ["include"],
-
     cflags: [
         "-Wall",
         "-Wextra",
         "-Werror",
+        "-fvisibility=hidden",
     ],
     shared_libs: [
         "android.hardware.audio.common-util",
diff --git a/media/libaudiohal/impl/DevicesFactoryHalHidl.cpp b/media/libaudiohal/impl/DevicesFactoryHalHidl.cpp
index c30da3c..e6e9688 100644
--- a/media/libaudiohal/impl/DevicesFactoryHalHidl.cpp
+++ b/media/libaudiohal/impl/DevicesFactoryHalHidl.cpp
@@ -20,7 +20,7 @@
 #define LOG_TAG "DevicesFactoryHalHidl"
 //#define LOG_NDEBUG 0
 
-#include "android/hidl/manager/1.0/IServiceManager.h"
+#include <android/hidl/manager/1.0/IServiceManager.h>
 #include PATH(android/hardware/audio/FILE_VERSION/IDevice.h)
 #include <media/audiohal/hidl/HalDeathHandler.h>
 #include <utils/Log.h>
diff --git a/media/libaudiohal/impl/DevicesFactoryHalHybrid.cpp b/media/libaudiohal/impl/DevicesFactoryHalHybrid.cpp
index a5aef1b..52f150a 100644
--- a/media/libaudiohal/impl/DevicesFactoryHalHybrid.cpp
+++ b/media/libaudiohal/impl/DevicesFactoryHalHybrid.cpp
@@ -20,7 +20,6 @@
 #include "DevicesFactoryHalHidl.h"
 #include "DevicesFactoryHalHybrid.h"
 #include "DevicesFactoryHalLocal.h"
-#include <libaudiohal/FactoryHalHidl.h>
 
 namespace android {
 namespace CPP_VERSION {
@@ -47,8 +46,7 @@
 
 } // namespace CPP_VERSION
 
-template <>
-sp<DevicesFactoryHalInterface> createFactoryHal<AudioHALVersion::CPP_VERSION>() {
+extern "C" __attribute__((visibility("default"))) void* createIDevicesFactory() {
     auto service = hardware::audio::CPP_VERSION::IDevicesFactory::getService();
     return service ? new CPP_VERSION::DevicesFactoryHalHybrid(service) : nullptr;
 }
diff --git a/media/libaudiohal/impl/EffectsFactoryHalHidl.cpp b/media/libaudiohal/impl/EffectsFactoryHalHidl.cpp
index 867b72d..9192a31 100644
--- a/media/libaudiohal/impl/EffectsFactoryHalHidl.cpp
+++ b/media/libaudiohal/impl/EffectsFactoryHalHidl.cpp
@@ -24,7 +24,6 @@
 #include "EffectHalHidl.h"
 #include "EffectsFactoryHalHidl.h"
 #include "HidlUtils.h"
-#include <libaudiohal/FactoryHalHidl.h>
 
 using ::android::hardware::audio::common::CPP_VERSION::implementation::HidlUtils;
 using ::android::hardware::Return;
@@ -162,8 +161,7 @@
 } // namespace CPP_VERSION
 } // namespace effect
 
-template<>
-sp<EffectsFactoryHalInterface> createFactoryHal<AudioHALVersion::CPP_VERSION>() {
+extern "C" __attribute__((visibility("default"))) void* createIEffectsFactory() {
     auto service = hardware::audio::effect::CPP_VERSION::IEffectsFactory::getService();
     return service ? new effect::CPP_VERSION::EffectsFactoryHalHidl(service) : nullptr;
 }
diff --git a/media/libaudiohal/impl/include/libaudiohal/FactoryHalHidl.h b/media/libaudiohal/impl/include/libaudiohal/FactoryHalHidl.h
deleted file mode 100644
index 271bafc..0000000
--- a/media/libaudiohal/impl/include/libaudiohal/FactoryHalHidl.h
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_FACTORY_HAL_HIDL_H
-#define ANDROID_HARDWARE_FACTORY_HAL_HIDL_H
-
-/** @file Library entry points to create the HAL factories. */
-
-#include <media/audiohal/DevicesFactoryHalInterface.h>
-#include <media/audiohal/EffectsFactoryHalInterface.h>
-#include <utils/StrongPointer.h>
-
-#include <array>
-#include <utility>
-
-namespace android {
-
-/** Supported HAL versions, in order of preference.
- * Implementation should use specialize the `create*FactoryHal` for their version.
- * Client should use `createPreferedImpl<*FactoryHal>()` to instantiate
- * the preferred available impl.
- */
-enum class AudioHALVersion {
-    V6_0,
-    V5_0,
-    V4_0,
-    V2_0,
-    end, // used for iterating over supported versions
-};
-
-/** Template function to fully specialized for each version and each Interface. */
-template <AudioHALVersion, class Interface>
-sp<Interface> createFactoryHal();
-
-/** @Return the preferred available implementation or nullptr if none are available. */
-template <class Interface, AudioHALVersion version = AudioHALVersion{}>
-static sp<Interface> createPreferedImpl() {
-    if constexpr (version == AudioHALVersion::end) {
-        return nullptr; // tried all version, all returned nullptr
-    } else {
-        if (auto created = createFactoryHal<version, Interface>(); created != nullptr) {
-           return created;
-        }
-
-        using Raw = std::underlying_type_t<AudioHALVersion>; // cast as enum class do not support ++
-        return createPreferedImpl<Interface, AudioHALVersion(Raw(version) + 1)>();
-    }
-}
-
-
-} // namespace android
-
-#endif // ANDROID_HARDWARE_FACTORY_HAL_HIDL_H
diff --git a/media/libaudiohal/include/media/audiohal/FactoryHalHidl.h b/media/libaudiohal/include/media/audiohal/FactoryHalHidl.h
new file mode 100644
index 0000000..d353ed0
--- /dev/null
+++ b/media/libaudiohal/include/media/audiohal/FactoryHalHidl.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_FACTORY_HAL_HIDL_H
+#define ANDROID_HARDWARE_FACTORY_HAL_HIDL_H
+
+#include <string>
+
+#include <utils/StrongPointer.h>
+
+namespace android {
+
+namespace detail {
+
+void* createPreferredImpl(const std::string& package, const std::string& interface);
+
+}  // namespace detail
+
+/** @Return the preferred available implementation or nullptr if none are available. */
+template <class Interface>
+static sp<Interface> createPreferredImpl(const std::string& package, const std::string& interface) {
+    return sp<Interface>{static_cast<Interface*>(detail::createPreferredImpl(package, interface))};
+}
+
+} // namespace android
+
+#endif // ANDROID_HARDWARE_FACTORY_HAL_HIDL_H
diff --git a/media/libstagefright/MediaTrack.cpp b/media/libstagefright/MediaTrack.cpp
index 89c9b25..24ba38a 100644
--- a/media/libstagefright/MediaTrack.cpp
+++ b/media/libstagefright/MediaTrack.cpp
@@ -183,6 +183,11 @@
             meta.setData(kKeyAudioPresentationInfo,
                     MetaDataBase::Type::TYPE_NONE, valbuf->data(), valbuf->size());
         }
+        if (format->mFormat->findBuffer("csd-0", &valbuf)) {
+            meta.setData(kKeyOpaqueCSD0,
+                    MetaDataBase::Type::TYPE_NONE, valbuf->data(), valbuf->size());
+        }
+
     } else {
         *buffer = nullptr;
     }
diff --git a/media/libstagefright/TEST_MAPPING b/media/libstagefright/TEST_MAPPING
index c1b270c..3c3fff7 100644
--- a/media/libstagefright/TEST_MAPPING
+++ b/media/libstagefright/TEST_MAPPING
@@ -1,10 +1,14 @@
 {
   "postsubmit": [
     {
+      // TODO: move to presubmit once we verify the tests are not flaky
       "name": "CtsMediaTestCases",
       "options": [
         {
-          "include-annotation": "android.platform.test.annotations.RequiresDevice"
+          "include-annotation": "android.platform.test.annotations.Presubmit"
+        },
+        {
+          "exclude-annotation": "android.platform.test.annotations.RequiresDevice"
         }
       ]
     },
diff --git a/media/libstagefright/bqhelper/Android.bp b/media/libstagefright/bqhelper/Android.bp
index 6719bab..f4548ff 100644
--- a/media/libstagefright/bqhelper/Android.bp
+++ b/media/libstagefright/bqhelper/Android.bp
@@ -1,9 +1,5 @@
-cc_library_shared {
-    name: "libstagefright_bufferqueue_helper",
-    vendor_available: true,
-    vndk: {
-        enabled: true,
-    },
+cc_defaults {
+    name: "libstagefright_bufferqueue-defaults",
     double_loadable: true,
     srcs: [
         "FrameDropper.cpp",
@@ -23,7 +19,7 @@
     ],
 
     shared_libs: [
-        "libbinder",
+        "libbase",
         "libcutils",
         "libhidlbase",
         "libhidlmemory",
@@ -33,24 +29,12 @@
         "libutils",
 
         "android.hardware.graphics.bufferqueue@1.0",
-        // Following libs are from libgui_bufferqueue_static
-        "android.hardware.graphics.bufferqueue@2.0",
-        "android.hidl.token@1.0-utils",
-        "libbase",
-        "libEGL",
-        "libnativewindow",
-        "libvndksupport",
-    ],
-    
-    static_libs: [
-        "libgui_bufferqueue_static"
     ],
 
     export_shared_lib_headers: [
         "libhidlmemory",
         "libstagefright_foundation",
         "android.hardware.graphics.bufferqueue@1.0",
-        "android.hardware.graphics.bufferqueue@2.0",
     ],
 
     cflags: [
@@ -68,3 +52,38 @@
         cfi: true,
     },
 }
+
+cc_library_shared {
+    name: "libstagefright_bufferqueue_helper",
+    defaults: ["libstagefright_bufferqueue-defaults"],
+    vendor_available: true,
+    vndk: {
+        enabled: true,
+    },
+    static_libs: [
+        "libgui_bufferqueue_static"
+    ],
+    shared_libs: [
+        "android.hardware.graphics.bufferqueue@2.0",
+        "android.hidl.token@1.0-utils",
+        "libEGL",
+        "libnativewindow",
+        "libvndksupport",
+    ],
+    export_shared_lib_headers: [
+        "android.hardware.graphics.bufferqueue@2.0",
+    ],
+    cflags: [
+        "-DNO_BINDER",
+    ],
+}
+
+cc_library_shared {
+    name: "libstagefright_bufferqueue_helper_client",
+    defaults: ["libstagefright_bufferqueue-defaults"],
+    vendor_available: false,
+    shared_libs: [
+        "libgui"
+    ],
+}
+
diff --git a/media/libstagefright/bqhelper/GraphicBufferSource.cpp b/media/libstagefright/bqhelper/GraphicBufferSource.cpp
index de9d12c..cff14ac 100644
--- a/media/libstagefright/bqhelper/GraphicBufferSource.cpp
+++ b/media/libstagefright/bqhelper/GraphicBufferSource.cpp
@@ -412,7 +412,7 @@
                     B2HGraphicBufferProducer(getIGraphicBufferProducer());
 }
 
-Status GraphicBufferSource::start() {
+status_t GraphicBufferSource::start() {
     Mutex::Autolock autoLock(mMutex);
     ALOGV("--> start; available=%zu, submittable=%zd",
             mAvailableBuffers.size(), mFreeCodecBuffers.size());
@@ -459,10 +459,10 @@
         }
     }
 
-    return Status::ok();
+    return OK;
 }
 
-Status GraphicBufferSource::stop() {
+status_t GraphicBufferSource::stop() {
     ALOGV("stop");
 
     Mutex::Autolock autoLock(mMutex);
@@ -472,10 +472,10 @@
         // not loaded->idle.
         mExecuting = false;
     }
-    return Status::ok();
+    return OK;
 }
 
-Status GraphicBufferSource::release(){
+status_t GraphicBufferSource::release(){
     sp<ALooper> looper;
     {
         Mutex::Autolock autoLock(mMutex);
@@ -501,26 +501,26 @@
     if (looper != NULL) {
         looper->stop();
     }
-    return Status::ok();
+    return OK;
 }
 
-Status GraphicBufferSource::onInputBufferAdded(codec_buffer_id bufferId) {
+status_t GraphicBufferSource::onInputBufferAdded(codec_buffer_id bufferId) {
     Mutex::Autolock autoLock(mMutex);
 
     if (mExecuting) {
         // This should never happen -- buffers can only be allocated when
         // transitioning from "loaded" to "idle".
         ALOGE("addCodecBuffer: buffer added while executing");
-        return Status::fromServiceSpecificError(INVALID_OPERATION);
+        return INVALID_OPERATION;
     }
 
     ALOGV("addCodecBuffer: bufferId=%u", bufferId);
 
     mFreeCodecBuffers.push_back(bufferId);
-    return Status::ok();
+    return OK;
 }
 
-Status GraphicBufferSource::onInputBufferEmptied(codec_buffer_id bufferId, int fenceFd) {
+status_t GraphicBufferSource::onInputBufferEmptied(codec_buffer_id bufferId, int fenceFd) {
     Mutex::Autolock autoLock(mMutex);
     FileDescriptor::Autoclose fence(fenceFd);
 
@@ -528,7 +528,7 @@
     if (cbi < 0) {
         // This should never happen.
         ALOGE("onInputBufferEmptied: buffer not recognized (bufferId=%u)", bufferId);
-        return Status::fromServiceSpecificError(BAD_VALUE);
+        return BAD_VALUE;
     }
 
     std::shared_ptr<AcquiredBuffer> buffer = mSubmittedCodecBuffers.valueAt(cbi);
@@ -548,13 +548,13 @@
             ALOGV("onInputBufferEmptied: EOS null buffer (bufferId=%u@%zd)", bufferId, cbi);
         }
         // No GraphicBuffer to deal with, no additional input or output is expected, so just return.
-        return Status::fromServiceSpecificError(BAD_VALUE);
+        return BAD_VALUE;
     }
 
     if (!mExecuting) {
         // this is fine since this could happen when going from Idle to Loaded
         ALOGV("onInputBufferEmptied: no longer executing (bufferId=%u@%zd)", bufferId, cbi);
-        return Status::fromServiceSpecificError(OK);
+        return OK;
     }
 
     ALOGV("onInputBufferEmptied: bufferId=%d@%zd [slot=%d, useCount=%ld, handle=%p] acquired=%d",
@@ -584,7 +584,7 @@
     }
 
     // releaseReleasableBuffers_l();
-    return Status::ok();
+    return OK;
 }
 
 void GraphicBufferSource::onDataspaceChanged_l(
diff --git a/media/libstagefright/bqhelper/include/media/stagefright/bqhelper/GraphicBufferSource.h b/media/libstagefright/bqhelper/include/media/stagefright/bqhelper/GraphicBufferSource.h
index ed5d7cb..fe6bcce 100644
--- a/media/libstagefright/bqhelper/include/media/stagefright/bqhelper/GraphicBufferSource.h
+++ b/media/libstagefright/bqhelper/include/media/stagefright/bqhelper/GraphicBufferSource.h
@@ -31,8 +31,6 @@
 
 namespace android {
 
-using ::android::binder::Status;
-
 struct FrameDropper;
 class BufferItem;
 class IGraphicBufferProducer;
@@ -99,26 +97,26 @@
     // This is called when component transitions to running state, which means
     // we can start handing it buffers.  If we already have buffers of data
     // sitting in the BufferQueue, this will send them to the codec.
-    Status start();
+    status_t start();
 
     // This is called when component transitions to stopped, indicating that
     // the codec is meant to return all buffers back to the client for them
     // to be freed. Do NOT submit any more buffers to the component.
-    Status stop();
+    status_t stop();
 
     // This is called when component transitions to released, indicating that
     // we are shutting down.
-    Status release();
+    status_t release();
 
     // A "codec buffer", i.e. a buffer that can be used to pass data into
     // the encoder, has been allocated.  (This call does not call back into
     // component.)
-    Status onInputBufferAdded(int32_t bufferId);
+    status_t onInputBufferAdded(int32_t bufferId);
 
     // Called when encoder is no longer using the buffer.  If we have a BQ
     // buffer available, fill it with a new frame of data; otherwise, just mark
     // it as available.
-    Status onInputBufferEmptied(int32_t bufferId, int fenceFd);
+    status_t onInputBufferEmptied(int32_t bufferId, int fenceFd);
 
     // IGraphicBufferSource interface
     // ------------------------------
diff --git a/media/libstagefright/omx/OmxGraphicBufferSource.cpp b/media/libstagefright/omx/OmxGraphicBufferSource.cpp
index 7b187f9..9484046 100644
--- a/media/libstagefright/omx/OmxGraphicBufferSource.cpp
+++ b/media/libstagefright/omx/OmxGraphicBufferSource.cpp
@@ -65,15 +65,18 @@
 }  // namespace
 
 Status OmxGraphicBufferSource::onOmxExecuting() {
-    return start();
+    status_t err = start();
+    return (OK == err) ? Status::ok() : Status::fromServiceSpecificError(err);
 }
 
 Status OmxGraphicBufferSource::onOmxIdle() {
-    return stop();
+    status_t err = stop();
+    return (OK == err) ? Status::ok() : Status::fromServiceSpecificError(err);
 }
 
 Status OmxGraphicBufferSource::onOmxLoaded(){
-    return release();
+    status_t err = release();
+    return (OK == err) ? Status::ok() : Status::fromServiceSpecificError(err);
 }
 
 status_t OmxGraphicBufferSource::configure(
diff --git a/media/libwatchdog/Android.bp b/media/libwatchdog/Android.bp
new file mode 100644
index 0000000..849623a
--- /dev/null
+++ b/media/libwatchdog/Android.bp
@@ -0,0 +1,36 @@
+// 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,
+        },
+    },
+    apex_available: ["com.android.media"],
+}
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/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