Merge "IAudioPolicyService, IAudioFlinger: check C structs on server side"
diff --git a/cmds/stagefright/AudioPlayer.cpp b/cmds/stagefright/AudioPlayer.cpp
index eb76953..55427ca 100644
--- a/cmds/stagefright/AudioPlayer.cpp
+++ b/cmds/stagefright/AudioPlayer.cpp
@@ -134,15 +134,18 @@
     success = format->findInt32(kKeySampleRate, &mSampleRate);
     CHECK(success);
 
-    int32_t numChannels, channelMask;
+    int32_t numChannels;
     success = format->findInt32(kKeyChannelCount, &numChannels);
     CHECK(success);
 
-    if(!format->findInt32(kKeyChannelMask, &channelMask)) {
+    audio_channel_mask_t channelMask;
+    if (int32_t rawChannelMask; !format->findInt32(kKeyChannelMask, &rawChannelMask)) {
         // log only when there's a risk of ambiguity of channel mask selection
         ALOGI_IF(numChannels > 2,
                 "source format didn't specify channel mask, using (%d) channel order", numChannels);
         channelMask = CHANNEL_MASK_USE_CHANNEL_ORDER;
+    } else {
+        channelMask = static_cast<audio_channel_mask_t>(rawChannelMask);
     }
 
     audio_format_t audioFormat = AUDIO_FORMAT_PCM_16_BIT;
diff --git a/drm/common/Android.bp b/drm/common/Android.bp
index 272684c..248570e 100644
--- a/drm/common/Android.bp
+++ b/drm/common/Android.bp
@@ -14,7 +14,7 @@
 // limitations under the License.
 //
 
-cc_library_static {
+cc_library {
     name: "libdrmframeworkcommon",
 
     srcs: [
@@ -35,7 +35,11 @@
 
     cflags: ["-Wall", "-Werror"],
 
-    shared_libs: ["libbinder"],
+    shared_libs: [
+        "libbinder",
+        "liblog",
+        "libutils"
+    ],
 
     export_include_dirs: ["include"],
 }
diff --git a/drm/drmserver/Android.bp b/drm/drmserver/Android.bp
index fcd291f..8b7c551 100644
--- a/drm/drmserver/Android.bp
+++ b/drm/drmserver/Android.bp
@@ -31,12 +31,11 @@
         "liblog",
         "libbinder",
         "libdl",
+        "libdrmframeworkcommon",
         "libselinux",
         "libstagefright_foundation",
     ],
 
-    static_libs: ["libdrmframeworkcommon"],
-
     cflags: [
         "-Wall",
         "-Wextra",
diff --git a/drm/libdrmframework/Android.bp b/drm/libdrmframework/Android.bp
index 940c17d..b4a7b25 100644
--- a/drm/libdrmframework/Android.bp
+++ b/drm/libdrmframework/Android.bp
@@ -29,12 +29,11 @@
         "liblog",
         "libbinder",
         "libdl",
+        "libdrmframeworkcommon",
     ],
 
-    static_libs: ["libdrmframeworkcommon"],
-
     export_include_dirs: ["include"],
-    export_static_lib_headers: ["libdrmframeworkcommon"],
+    export_shared_lib_headers: ["libdrmframeworkcommon"],
 
     cflags: ["-Werror"],
 }
diff --git a/drm/libdrmframework/plugins/forward-lock/FwdLockEngine/Android.bp b/drm/libdrmframework/plugins/forward-lock/FwdLockEngine/Android.bp
index bb9d7ec..9f52f7a 100644
--- a/drm/libdrmframework/plugins/forward-lock/FwdLockEngine/Android.bp
+++ b/drm/libdrmframework/plugins/forward-lock/FwdLockEngine/Android.bp
@@ -36,11 +36,11 @@
         "libcrypto",
         "libssl",
         "libdrmframework",
+        "libdrmframeworkcommon",
     ],
 
     static_libs: [
         "libdrmutility",
-        "libdrmframeworkcommon",
         "libfwdlock-common",
         "libfwdlock-converter",
         "libfwdlock-decoder",
diff --git a/drm/libdrmframework/plugins/passthru/Android.bp b/drm/libdrmframework/plugins/passthru/Android.bp
index 05b6440..8045586 100644
--- a/drm/libdrmframework/plugins/passthru/Android.bp
+++ b/drm/libdrmframework/plugins/passthru/Android.bp
@@ -19,12 +19,11 @@
 
     srcs: ["src/DrmPassthruPlugIn.cpp"],
 
-    static_libs: ["libdrmframeworkcommon"],
-
     shared_libs: [
         "libutils",
         "liblog",
         "libdl",
+        "libdrmframeworkcommon",
     ],
 
     local_include_dirs: ["include"],
diff --git a/media/OWNERS b/media/OWNERS
index bd83ad9..3e194f0 100644
--- a/media/OWNERS
+++ b/media/OWNERS
@@ -11,9 +11,11 @@
 lajos@google.com
 marcone@google.com
 mnaganov@google.com
+nchalko@google.com
 pawin@google.com
 philburk@google.com
 pmclean@google.com
+quxiangfang@google.com
 rachad@google.com
 rago@google.com
 robertshih@google.com
diff --git a/media/codec2/core/include/C2Buffer.h b/media/codec2/core/include/C2Buffer.h
index 3d3587c..fe37b05 100644
--- a/media/codec2/core/include/C2Buffer.h
+++ b/media/codec2/core/include/C2Buffer.h
@@ -734,6 +734,22 @@
     }
 
     virtual ~C2Allocator() = default;
+
+    /**
+     * Returns a true if the handle looks valid for this allocator.
+     *
+     * It does not actually validate that the handle represents a valid allocation (by this
+     * allocator), only that the handle could have been returned by this allocator. As such,
+     * multiple allocators may return true for looksValid for the same handle.
+     *
+     * This method MUST be "non-blocking", MUST not access kernel and/or device drivers, and
+     * return within 1us.
+     *
+     * \param handle      the handle for an existing allocation (possibly from another
+     *                    allocator)
+     */
+    virtual bool checkHandle(const C2Handle *const handle) const = 0;
+
 protected:
     C2Allocator() = default;
 };
@@ -2156,9 +2172,12 @@
 };
 
 /**
- * An extension of C2Info objects that can contain arbitrary buffer data.
+ * A const metadata object that can contain arbitrary buffer data.
  *
- * \note This object is not describable and contains opaque data.
+ * This object is not an actual C2Info and is not attached to buffers (C2Buffer), but rather to
+ * frames (C2FrameData). It is not describable via C2ParamDescriptor.
+ *
+ * C2InfoBuffer is a const object that can be allocated on stack and is copiable.
  */
 class C2InfoBuffer {
 public:
@@ -2167,14 +2186,65 @@
      *
      * \return the parameter index.
      */
-    const C2Param::Index index() const;
+    const C2Param::Index index() const { return mIndex; }
 
     /**
      * Gets the buffer's data.
      *
      * \return the buffer's data.
      */
-    const C2BufferData data() const;
+    const C2BufferData data() const { return mData; }
+
+    /// Returns a clone of this as a global info buffer.
+    C2InfoBuffer asGlobal() const {
+        C2Param::Index index = mIndex;
+        index.convertToGlobal();
+        return C2InfoBuffer(index, mData);
+    }
+
+    /// Returns a clone of this as a port info buffer.
+    C2InfoBuffer asPort(bool output) const {
+        C2Param::Index index = mIndex;
+        index.convertToPort(output);
+        return C2InfoBuffer(index, mData);
+    }
+
+    /// Returns a clone of this as a stream info buffer.
+    C2InfoBuffer asStream(bool output, unsigned stream) const {
+        C2Param::Index index = mIndex;
+        index.convertToStream(output, stream);
+        return C2InfoBuffer(index, mData);
+    }
+
+    /**
+     * Creates a global info buffer containing a single linear block.
+     *
+     * \param index the core parameter index of this info buffer.
+     * \param block the content of the info buffer.
+     *
+     * \return shared pointer to the created info buffer.
+     */
+    static C2InfoBuffer CreateLinearBuffer(C2Param::CoreIndex index, const C2ConstLinearBlock &block);
+
+    /**
+     * Creates a global info buffer containing a single graphic block.
+     *
+     * \param index the core parameter index of this info buffer.
+     * \param block the content of the info buffer.
+     *
+     * \return shared pointer to the created info buffer.
+     */
+    static C2InfoBuffer CreateGraphicBuffer(C2Param::CoreIndex index, const C2ConstGraphicBlock &block);
+
+protected:
+    // no public constructor
+    explicit C2InfoBuffer(C2Param::Index index, const std::vector<C2ConstLinearBlock> &blocks);
+    explicit C2InfoBuffer(C2Param::Index index, const std::vector<C2ConstGraphicBlock> &blocks);
+
+private:
+    C2Param::Index mIndex;
+    C2BufferData mData;
+    explicit C2InfoBuffer(C2Param::Index index, const C2BufferData &data);
 };
 
 /// @}
diff --git a/media/codec2/core/include/C2Config.h b/media/codec2/core/include/C2Config.h
index 29bccd5..ebe7b40 100644
--- a/media/codec2/core/include/C2Config.h
+++ b/media/codec2/core/include/C2Config.h
@@ -249,6 +249,11 @@
 
     // low latency mode
     kParamIndexLowLatencyMode, // bool
+
+    // tunneled codec
+    kParamIndexTunneledMode, // struct
+    kParamIndexTunnelHandle, // int32[]
+    kParamIndexTunnelSystemTime, // int64
 };
 
 }
@@ -2182,6 +2187,79 @@
 typedef C2PortParam<C2Tuning, C2TimestampGapAdjustmentStruct> C2PortTimestampGapTuning;
 constexpr char C2_PARAMKEY_INPUT_SURFACE_TIMESTAMP_ADJUSTMENT[] = "input-surface.timestamp-adjustment";
 
+/* ===================================== TUNNELED CODEC ==================================== */
+
+/**
+ * Tunneled codec control.
+ */
+struct C2TunneledModeStruct {
+    /// mode
+    enum mode_t : uint32_t;
+    /// sync type
+    enum sync_type_t : uint32_t;
+
+    inline C2TunneledModeStruct() = default;
+
+    inline C2TunneledModeStruct(
+            size_t flexCount, mode_t mode_, sync_type_t type, std::vector<int32_t> id)
+        : mode(mode_), syncType(type) {
+        memcpy(&syncId, &id[0], c2_min(id.size(), flexCount) * FLEX_SIZE);
+    }
+
+    inline C2TunneledModeStruct(size_t flexCount, mode_t mode_, sync_type_t type, int32_t id)
+        : mode(mode_), syncType(type) {
+        if (flexCount >= 1) {
+            syncId[0] = id;
+        }
+    }
+
+    mode_t mode;          ///< tunneled mode
+    sync_type_t syncType; ///< type of sync used for tunneled mode
+    int32_t syncId[];     ///< sync id
+
+    DEFINE_AND_DESCRIBE_FLEX_C2STRUCT(TunneledMode, syncId)
+    C2FIELD(mode, "mode")
+    C2FIELD(syncType, "sync-type")
+    C2FIELD(syncId, "sync-id")
+
+};
+
+C2ENUM(C2TunneledModeStruct::mode_t, uint32_t,
+    NONE,
+    SIDEBAND,
+);
+
+
+C2ENUM(C2TunneledModeStruct::sync_type_t, uint32_t,
+    REALTIME,
+    AUDIO_HW_SYNC,
+    HW_AV_SYNC,
+);
+
+/**
+ * Configure tunneled mode
+ */
+typedef C2PortParam<C2Tuning, C2TunneledModeStruct, kParamIndexTunneledMode>
+        C2PortTunneledModeTuning;
+constexpr char C2_PARAMKEY_TUNNELED_RENDER[] = "output.tunneled-render";
+
+/**
+ * Tunneled mode handle. The meaning of this is depends on the
+ * tunneled mode. If the tunneled mode is SIDEBAND, this is the
+ * sideband handle.
+ */
+typedef C2PortParam<C2Tuning, C2Int32Array, kParamIndexTunnelHandle> C2PortTunnelHandleTuning;
+constexpr char C2_PARAMKEY_OUTPUT_TUNNEL_HANDLE[] = "output.tunnel-handle";
+
+/**
+ * The system time using CLOCK_MONOTONIC in nanoseconds at the tunnel endpoint.
+ * For decoders this is the render time for the output frame and
+ * this corresponds to the media timestamp of the output frame.
+ */
+typedef C2PortParam<C2Info, C2SimpleValueStruct<int64_t>, kParamIndexTunnelSystemTime>
+        C2PortTunnelSystemTime;
+constexpr char C2_PARAMKEY_OUTPUT_RENDER_TIME[] = "output.render-time";
+
 /// @}
 
 #endif  // C2CONFIG_H_
diff --git a/media/codec2/core/include/C2Param.h b/media/codec2/core/include/C2Param.h
index 436269a..e938f96 100644
--- a/media/codec2/core/include/C2Param.h
+++ b/media/codec2/core/include/C2Param.h
@@ -317,7 +317,8 @@
         DEFINE_FIELD_BASED_COMPARISON_OPERATORS(Index, mIndex)
 
     private:
-        friend struct C2Param;           // for setStream, MakeStreamId, isValid
+        friend class C2InfoBuffer;       // for convertTo*
+        friend struct C2Param;           // for setStream, MakeStreamId, isValid, convertTo*
         friend struct _C2ParamInspector; // for testing
 
         /**
diff --git a/media/codec2/core/include/C2Work.h b/media/codec2/core/include/C2Work.h
index 6923f3e..67084cc 100644
--- a/media/codec2/core/include/C2Work.h
+++ b/media/codec2/core/include/C2Work.h
@@ -161,7 +161,7 @@
     //< for initial work item, these may also come from the parser - if provided
     //< for output buffers, these are the responses to requestedInfos
     std::vector<std::unique_ptr<C2Param>>      configUpdate;
-    std::vector<std::shared_ptr<C2InfoBuffer>> infoBuffers;
+    std::vector<C2InfoBuffer> infoBuffers;
 };
 
 struct C2Worklet {
diff --git a/media/codec2/hidl/1.0/utils/types.cpp b/media/codec2/hidl/1.0/utils/types.cpp
index c73cb52..1f0c856 100644
--- a/media/codec2/hidl/1.0/utils/types.cpp
+++ b/media/codec2/hidl/1.0/utils/types.cpp
@@ -943,14 +943,9 @@
 
     d->infoBuffers.resize(s.infoBuffers.size());
     i = 0;
-    for (const std::shared_ptr<C2InfoBuffer>& sInfoBuffer : s.infoBuffers) {
+    for (const C2InfoBuffer& sInfoBuffer : s.infoBuffers) {
         InfoBuffer& dInfoBuffer = d->infoBuffers[i++];
-        if (!sInfoBuffer) {
-            LOG(ERROR) << "Null C2FrameData::infoBuffers["
-                       << i - 1 << "].";
-            return false;
-        }
-        if (!objcpy(&dInfoBuffer, *sInfoBuffer,
+        if (!objcpy(&dInfoBuffer, sInfoBuffer,
                 bufferPoolSender, baseBlocks, baseBlockIndices)) {
             LOG(ERROR) << "Invalid C2FrameData::infoBuffers["
                        << i - 1 << "].";
diff --git a/media/codec2/hidl/1.1/utils/Android.bp b/media/codec2/hidl/1.1/utils/Android.bp
index 386f6e2..ab8635b 100644
--- a/media/codec2/hidl/1.1/utils/Android.bp
+++ b/media/codec2/hidl/1.1/utils/Android.bp
@@ -44,6 +44,12 @@
         "libstagefright_bufferpool@2.0.1",
         "libui",
     ],
+
+    // Device does not boot when global ThinLTO is enabled for this library.
+    // http://b/170595429
+    lto: {
+        never: true,
+    },
 }
 
 
diff --git a/media/codec2/tests/C2Param_test.cpp b/media/codec2/tests/C2Param_test.cpp
index c39605a..bb8130c 100644
--- a/media/codec2/tests/C2Param_test.cpp
+++ b/media/codec2/tests/C2Param_test.cpp
@@ -96,7 +96,7 @@
     const static std::vector<C2FieldDescriptor> _FIELD_LIST;
     static const std::vector<C2FieldDescriptor> FieldList();  // <= needed for C2FieldDescriptor
     const static FD::type_t TYPE = (FD::type_t)(CORE_INDEX | FD::STRUCT_FLAG);
-};
+} C2_PACK;
 
 DEFINE_NO_NAMED_VALUES_FOR(C2SizeStruct)
 
@@ -111,11 +111,13 @@
 
 struct C2TestStruct_A {
     int32_t signed32;
+    // 4-byte padding
     int64_t signed64[2];
     uint32_t unsigned32[1];
+    // 4-byte padding
     uint64_t unsigned64;
     float fp32;
-    C2SizeStruct sz[3];
+    C2SizeStruct sz[3]; // 8-byte structure, but 4-byte aligned
     uint8_t blob[100];
     char string[100];
     bool yesNo[100];
@@ -124,21 +126,21 @@
     static const std::vector<C2FieldDescriptor> FieldList();
     // enum : uint32_t { CORE_INDEX = kParamIndexTest };
     // typedef C2TestStruct_A _type;
-} __attribute__((packed));
+} __attribute__((aligned(4)));
 
 const std::vector<C2FieldDescriptor> C2TestStruct_A::FieldList() {
     return _FIELD_LIST;
 }
 const std::vector<C2FieldDescriptor> C2TestStruct_A::_FIELD_LIST =
     { { FD::INT32,    1, "s32",   0, 4 },
-      { FD::INT64,    2, "s64",   4, 8 },
-      { FD::UINT32,   1, "u32",  20, 4 },
-      { FD::UINT64,   1, "u64",  24, 8 },
-      { FD::FLOAT,    1, "fp",   32, 4 },
-      { C2SizeStruct::TYPE, 3, "size", 36, 8 },
-      { FD::BLOB,   100, "blob", 60, 1 },
-      { FD::STRING, 100, "str", 160, 1 },
-      { FD::BLOB,   100, "y-n", 260, 1 } };
+      { FD::INT64,    2, "s64",   8, 8 },
+      { FD::UINT32,   1, "u32",  24, 4 },
+      { FD::UINT64,   1, "u64",  32, 8 },
+      { FD::FLOAT,    1, "fp",   40, 4 },
+      { C2SizeStruct::TYPE, 3, "size", 44, 8 },
+      { FD::BLOB,   100, "blob", 68, 1 },
+      { FD::STRING, 100, "str", 168, 1 },
+      { FD::BLOB,   100, "y-n", 268, 1 } };
 
 TEST_P(C2ParamTest_ParamFieldList, VerifyStruct) {
     std::vector<C2FieldDescriptor> fields = GetParam(), expected = C2TestStruct_A::_FIELD_LIST;
@@ -198,11 +200,13 @@
 
 struct C2TestAStruct {
     int32_t signed32;
+    // 4-byte padding
     int64_t signed64[2];
     uint32_t unsigned32[1];
+    // 4-byte padding
     uint64_t unsigned64;
     float fp32;
-    C2SizeStruct sz[3];
+    C2SizeStruct sz[3]; // 8-byte structure, but 4-byte aligned
     uint8_t blob[100];
     char string[100];
     bool yesNo[100];
@@ -229,11 +233,13 @@
 
 struct C2TestBStruct {
     int32_t signed32;
+    // 4-byte padding
     int64_t signed64[2];
     uint32_t unsigned32[1];
+    // 4-byte padding
     uint64_t unsigned64;
     float fp32;
-    C2SizeStruct sz[3];
+    C2SizeStruct sz[3]; // 8-byte structure, but 4-byte aligned
     uint8_t blob[100];
     char string[100];
     bool yesNo[100];
@@ -286,7 +292,7 @@
         if (fields.size() > 1) {
             EXPECT_EQ(2u, fields.size());
             EXPECT_EQ(C2FieldDescriptor(FD::INT32, 1, "s32", 0, 4), fields[0]);
-            EXPECT_EQ(C2FieldDescriptor(this->FlexType, 0, "flex", 4, this->FLEX_SIZE),
+            EXPECT_EQ(C2FieldDescriptor(this->FlexType, 0, "flex", alignof(TypeParam) /* offset */, this->FLEX_SIZE),
                       fields[1]);
         } else {
             EXPECT_EQ(1u, fields.size());
@@ -392,6 +398,7 @@
 
 struct C2TestStruct_FlexEndS64 {
     int32_t signed32;
+    // 4-byte padding
     int64_t mSigned64Flex[];
 
     const static std::vector<C2FieldDescriptor> _FIELD_LIST;
@@ -406,7 +413,7 @@
 }
 const std::vector<C2FieldDescriptor> C2TestStruct_FlexEndS64::_FIELD_LIST = {
     { FD::INT32, 1, "s32", 0, 4 },
-    { FD::INT64, 0, "flex", 4, 8 },
+    { FD::INT64, 0, "flex", 8, 8 },
 };
 
 struct C2TestFlexS64Struct {
@@ -419,6 +426,7 @@
 
 struct C2TestFlexEndS64Struct {
     int32_t signed32;
+    // 4-byte padding
     int64_t mFlexSigned64[];
     C2TestFlexEndS64Struct() {}
 
@@ -468,7 +476,7 @@
     // enum : uint32_t { CORE_INDEX = C2TestStruct_FlexEndSize, FLEX_SIZE = 8 };
     // typedef C2TestStruct_FlexEndSize _type;
     // typedef C2SizeStruct FlexType;
-};
+} __attribute__((aligned(4)));
 
 const std::vector<C2FieldDescriptor> C2TestStruct_FlexEndSize::FieldList() {
     return _FIELD_LIST;
@@ -539,14 +547,14 @@
 TEST_F(C2ParamTest, FieldId) {
     // pointer constructor
     EXPECT_EQ(_C2FieldId(0, 4), _C2FieldId(&((C2TestStruct_A*)0)->signed32));
-    EXPECT_EQ(_C2FieldId(4, 8), _C2FieldId(&((C2TestStruct_A*)0)->signed64));
-    EXPECT_EQ(_C2FieldId(20, 4), _C2FieldId(&((C2TestStruct_A*)0)->unsigned32));
-    EXPECT_EQ(_C2FieldId(24, 8), _C2FieldId(&((C2TestStruct_A*)0)->unsigned64));
-    EXPECT_EQ(_C2FieldId(32, 4), _C2FieldId(&((C2TestStruct_A*)0)->fp32));
-    EXPECT_EQ(_C2FieldId(36, 8), _C2FieldId(&((C2TestStruct_A*)0)->sz));
-    EXPECT_EQ(_C2FieldId(60, 1), _C2FieldId(&((C2TestStruct_A*)0)->blob));
-    EXPECT_EQ(_C2FieldId(160, 1), _C2FieldId(&((C2TestStruct_A*)0)->string));
-    EXPECT_EQ(_C2FieldId(260, 1), _C2FieldId(&((C2TestStruct_A*)0)->yesNo));
+    EXPECT_EQ(_C2FieldId(8, 8), _C2FieldId(&((C2TestStruct_A*)0)->signed64));
+    EXPECT_EQ(_C2FieldId(24, 4), _C2FieldId(&((C2TestStruct_A*)0)->unsigned32));
+    EXPECT_EQ(_C2FieldId(32, 8), _C2FieldId(&((C2TestStruct_A*)0)->unsigned64));
+    EXPECT_EQ(_C2FieldId(40, 4), _C2FieldId(&((C2TestStruct_A*)0)->fp32));
+    EXPECT_EQ(_C2FieldId(44, 8), _C2FieldId(&((C2TestStruct_A*)0)->sz));
+    EXPECT_EQ(_C2FieldId(68, 1), _C2FieldId(&((C2TestStruct_A*)0)->blob));
+    EXPECT_EQ(_C2FieldId(168, 1), _C2FieldId(&((C2TestStruct_A*)0)->string));
+    EXPECT_EQ(_C2FieldId(268, 1), _C2FieldId(&((C2TestStruct_A*)0)->yesNo));
 
     EXPECT_EQ(_C2FieldId(0, 4), _C2FieldId(&((C2TestFlexEndSizeStruct*)0)->signed32));
     EXPECT_EQ(_C2FieldId(4, 8), _C2FieldId(&((C2TestFlexEndSizeStruct*)0)->mFlexSize));
@@ -556,14 +564,14 @@
 
     // member pointer constructor
     EXPECT_EQ(_C2FieldId(0, 4), _C2FieldId((C2TestStruct_A*)0, &C2TestStruct_A::signed32));
-    EXPECT_EQ(_C2FieldId(4, 8), _C2FieldId((C2TestStruct_A*)0, &C2TestStruct_A::signed64));
-    EXPECT_EQ(_C2FieldId(20, 4), _C2FieldId((C2TestStruct_A*)0, &C2TestStruct_A::unsigned32));
-    EXPECT_EQ(_C2FieldId(24, 8), _C2FieldId((C2TestStruct_A*)0, &C2TestStruct_A::unsigned64));
-    EXPECT_EQ(_C2FieldId(32, 4), _C2FieldId((C2TestStruct_A*)0, &C2TestStruct_A::fp32));
-    EXPECT_EQ(_C2FieldId(36, 8), _C2FieldId((C2TestStruct_A*)0, &C2TestStruct_A::sz));
-    EXPECT_EQ(_C2FieldId(60, 1), _C2FieldId((C2TestStruct_A*)0, &C2TestStruct_A::blob));
-    EXPECT_EQ(_C2FieldId(160, 1), _C2FieldId((C2TestStruct_A*)0, &C2TestStruct_A::string));
-    EXPECT_EQ(_C2FieldId(260, 1), _C2FieldId((C2TestStruct_A*)0, &C2TestStruct_A::yesNo));
+    EXPECT_EQ(_C2FieldId(8, 8), _C2FieldId((C2TestStruct_A*)0, &C2TestStruct_A::signed64));
+    EXPECT_EQ(_C2FieldId(24, 4), _C2FieldId((C2TestStruct_A*)0, &C2TestStruct_A::unsigned32));
+    EXPECT_EQ(_C2FieldId(32, 8), _C2FieldId((C2TestStruct_A*)0, &C2TestStruct_A::unsigned64));
+    EXPECT_EQ(_C2FieldId(40, 4), _C2FieldId((C2TestStruct_A*)0, &C2TestStruct_A::fp32));
+    EXPECT_EQ(_C2FieldId(44, 8), _C2FieldId((C2TestStruct_A*)0, &C2TestStruct_A::sz));
+    EXPECT_EQ(_C2FieldId(68, 1), _C2FieldId((C2TestStruct_A*)0, &C2TestStruct_A::blob));
+    EXPECT_EQ(_C2FieldId(168, 1), _C2FieldId((C2TestStruct_A*)0, &C2TestStruct_A::string));
+    EXPECT_EQ(_C2FieldId(268, 1), _C2FieldId((C2TestStruct_A*)0, &C2TestStruct_A::yesNo));
 
     EXPECT_EQ(_C2FieldId(0, 4), _C2FieldId((C2TestFlexEndSizeStruct*)0, &C2TestFlexEndSizeStruct::signed32));
     EXPECT_EQ(_C2FieldId(4, 8), _C2FieldId((C2TestFlexEndSizeStruct*)0, &C2TestFlexEndSizeStruct::mFlexSize));
@@ -573,14 +581,14 @@
 
     // member pointer sans type pointer
     EXPECT_EQ(_C2FieldId(0, 4), _C2FieldId(&C2TestStruct_A::signed32));
-    EXPECT_EQ(_C2FieldId(4, 8), _C2FieldId(&C2TestStruct_A::signed64));
-    EXPECT_EQ(_C2FieldId(20, 4), _C2FieldId(&C2TestStruct_A::unsigned32));
-    EXPECT_EQ(_C2FieldId(24, 8), _C2FieldId(&C2TestStruct_A::unsigned64));
-    EXPECT_EQ(_C2FieldId(32, 4), _C2FieldId(&C2TestStruct_A::fp32));
-    EXPECT_EQ(_C2FieldId(36, 8), _C2FieldId(&C2TestStruct_A::sz));
-    EXPECT_EQ(_C2FieldId(60, 1), _C2FieldId(&C2TestStruct_A::blob));
-    EXPECT_EQ(_C2FieldId(160, 1), _C2FieldId(&C2TestStruct_A::string));
-    EXPECT_EQ(_C2FieldId(260, 1), _C2FieldId(&C2TestStruct_A::yesNo));
+    EXPECT_EQ(_C2FieldId(8, 8), _C2FieldId(&C2TestStruct_A::signed64));
+    EXPECT_EQ(_C2FieldId(24, 4), _C2FieldId(&C2TestStruct_A::unsigned32));
+    EXPECT_EQ(_C2FieldId(32, 8), _C2FieldId(&C2TestStruct_A::unsigned64));
+    EXPECT_EQ(_C2FieldId(40, 4), _C2FieldId(&C2TestStruct_A::fp32));
+    EXPECT_EQ(_C2FieldId(44, 8), _C2FieldId(&C2TestStruct_A::sz));
+    EXPECT_EQ(_C2FieldId(68, 1), _C2FieldId(&C2TestStruct_A::blob));
+    EXPECT_EQ(_C2FieldId(168, 1), _C2FieldId(&C2TestStruct_A::string));
+    EXPECT_EQ(_C2FieldId(268, 1), _C2FieldId(&C2TestStruct_A::yesNo));
 
     EXPECT_EQ(_C2FieldId(0, 4), _C2FieldId(&C2TestFlexEndSizeStruct::signed32));
     EXPECT_EQ(_C2FieldId(4, 8), _C2FieldId(&C2TestFlexEndSizeStruct::mFlexSize));
@@ -594,14 +602,14 @@
 
     // pointer constructor in C2Param
     EXPECT_EQ(_C2FieldId(8, 4), _C2FieldId(&((C2TestAInfo*)0)->signed32));
-    EXPECT_EQ(_C2FieldId(12, 8), _C2FieldId(&((C2TestAInfo*)0)->signed64));
-    EXPECT_EQ(_C2FieldId(28, 4), _C2FieldId(&((C2TestAInfo*)0)->unsigned32));
-    EXPECT_EQ(_C2FieldId(32, 8), _C2FieldId(&((C2TestAInfo*)0)->unsigned64));
-    EXPECT_EQ(_C2FieldId(40, 4), _C2FieldId(&((C2TestAInfo*)0)->fp32));
-    EXPECT_EQ(_C2FieldId(44, 8), _C2FieldId(&((C2TestAInfo*)0)->sz));
-    EXPECT_EQ(_C2FieldId(68, 1), _C2FieldId(&((C2TestAInfo*)0)->blob));
-    EXPECT_EQ(_C2FieldId(168, 1), _C2FieldId(&((C2TestAInfo*)0)->string));
-    EXPECT_EQ(_C2FieldId(268, 1), _C2FieldId(&((C2TestAInfo*)0)->yesNo));
+    EXPECT_EQ(_C2FieldId(16, 8), _C2FieldId(&((C2TestAInfo*)0)->signed64));
+    EXPECT_EQ(_C2FieldId(32, 4), _C2FieldId(&((C2TestAInfo*)0)->unsigned32));
+    EXPECT_EQ(_C2FieldId(40, 8), _C2FieldId(&((C2TestAInfo*)0)->unsigned64));
+    EXPECT_EQ(_C2FieldId(48, 4), _C2FieldId(&((C2TestAInfo*)0)->fp32));
+    EXPECT_EQ(_C2FieldId(52, 8), _C2FieldId(&((C2TestAInfo*)0)->sz));
+    EXPECT_EQ(_C2FieldId(76, 1), _C2FieldId(&((C2TestAInfo*)0)->blob));
+    EXPECT_EQ(_C2FieldId(176, 1), _C2FieldId(&((C2TestAInfo*)0)->string));
+    EXPECT_EQ(_C2FieldId(276, 1), _C2FieldId(&((C2TestAInfo*)0)->yesNo));
 
     EXPECT_EQ(_C2FieldId(8, 4), _C2FieldId(&((C2TestFlexEndSizeInfo*)0)->m.signed32));
     EXPECT_EQ(_C2FieldId(12, 8), _C2FieldId(&((C2TestFlexEndSizeInfo*)0)->m.mFlexSize));
@@ -611,14 +619,14 @@
 
     // member pointer in C2Param
     EXPECT_EQ(_C2FieldId(8, 4), _C2FieldId((C2TestAInfo*)0, &C2TestAInfo::signed32));
-    EXPECT_EQ(_C2FieldId(12, 8), _C2FieldId((C2TestAInfo*)0, &C2TestAInfo::signed64));
-    EXPECT_EQ(_C2FieldId(28, 4), _C2FieldId((C2TestAInfo*)0, &C2TestAInfo::unsigned32));
-    EXPECT_EQ(_C2FieldId(32, 8), _C2FieldId((C2TestAInfo*)0, &C2TestAInfo::unsigned64));
-    EXPECT_EQ(_C2FieldId(40, 4), _C2FieldId((C2TestAInfo*)0, &C2TestAInfo::fp32));
-    EXPECT_EQ(_C2FieldId(44, 8), _C2FieldId((C2TestAInfo*)0, &C2TestAInfo::sz));
-    EXPECT_EQ(_C2FieldId(68, 1), _C2FieldId((C2TestAInfo*)0, &C2TestAInfo::blob));
-    EXPECT_EQ(_C2FieldId(168, 1), _C2FieldId((C2TestAInfo*)0, &C2TestAInfo::string));
-    EXPECT_EQ(_C2FieldId(268, 1), _C2FieldId((C2TestAInfo*)0, &C2TestAInfo::yesNo));
+    EXPECT_EQ(_C2FieldId(16, 8), _C2FieldId((C2TestAInfo*)0, &C2TestAInfo::signed64));
+    EXPECT_EQ(_C2FieldId(32, 4), _C2FieldId((C2TestAInfo*)0, &C2TestAInfo::unsigned32));
+    EXPECT_EQ(_C2FieldId(40, 8), _C2FieldId((C2TestAInfo*)0, &C2TestAInfo::unsigned64));
+    EXPECT_EQ(_C2FieldId(48, 4), _C2FieldId((C2TestAInfo*)0, &C2TestAInfo::fp32));
+    EXPECT_EQ(_C2FieldId(52, 8), _C2FieldId((C2TestAInfo*)0, &C2TestAInfo::sz));
+    EXPECT_EQ(_C2FieldId(76, 1), _C2FieldId((C2TestAInfo*)0, &C2TestAInfo::blob));
+    EXPECT_EQ(_C2FieldId(176, 1), _C2FieldId((C2TestAInfo*)0, &C2TestAInfo::string));
+    EXPECT_EQ(_C2FieldId(276, 1), _C2FieldId((C2TestAInfo*)0, &C2TestAInfo::yesNo));
 
     // NOTE: cannot use a member pointer for flex params due to introduction of 'm'
     // EXPECT_EQ(_C2FieldId(8, 4), _C2FieldId(&C2TestFlexEndSizeInfo::m.signed32));
diff --git a/media/codec2/tests/vndk/C2BufferTest.cpp b/media/codec2/tests/vndk/C2BufferTest.cpp
index 780994a..a9f8e17 100644
--- a/media/codec2/tests/vndk/C2BufferTest.cpp
+++ b/media/codec2/tests/vndk/C2BufferTest.cpp
@@ -765,4 +765,54 @@
     }
 }
 
+TEST_F(C2BufferTest, InfoBufferTest) {
+    constexpr size_t kCapacity = 524288u;
+
+    // allocate a linear block
+    std::shared_ptr<C2BlockPool> linearPool(makeLinearBlockPool());
+    std::shared_ptr<C2LinearBlock> linearBlock;
+    ASSERT_EQ(C2_OK, linearPool->fetchLinearBlock(
+            kCapacity,
+            { C2MemoryUsage::CPU_READ, C2MemoryUsage::CPU_WRITE },
+            &linearBlock));
+
+    C2InfoBuffer info = C2InfoBuffer::CreateLinearBuffer(
+            kParamIndexNumber1, linearBlock->share(1024, kCapacity / 2, C2Fence()));
+    std::shared_ptr<C2InfoBuffer> spInfo(new C2InfoBuffer(info));
+    ASSERT_EQ(kParamIndexNumber1, spInfo->index().coreIndex());
+    ASSERT_TRUE(spInfo->index().isGlobal());
+    ASSERT_EQ(C2Param::INFO, spInfo->index().kind());
+    ASSERT_EQ(C2BufferData::LINEAR, spInfo->data().type());
+    ASSERT_EQ(1024, spInfo->data().linearBlocks()[0].offset());
+    ASSERT_EQ(kCapacity / 2, spInfo->data().linearBlocks()[0].size());
+    // handles must actually be identical after sharing into an info buffer
+    ASSERT_EQ(linearBlock->handle(), spInfo->data().linearBlocks()[0].handle());
+    ASSERT_EQ(linearPool->getAllocatorId(), spInfo->data().linearBlocks()[0].getAllocatorId());
+
+    C2InfoBuffer streamInfo = info.asStream(false /* output */,  1u);
+    ASSERT_EQ(kParamIndexNumber1, streamInfo.index().coreIndex());
+    ASSERT_TRUE(streamInfo.index().forStream());
+    ASSERT_TRUE(streamInfo.index().forInput());
+    ASSERT_EQ(1u, streamInfo.index().stream());
+    ASSERT_EQ(C2Param::INFO, streamInfo.index().kind());
+    ASSERT_EQ(C2BufferData::LINEAR, streamInfo.data().type());
+    ASSERT_EQ(1024, streamInfo.data().linearBlocks()[0].offset());
+    ASSERT_EQ(kCapacity / 2, streamInfo.data().linearBlocks()[0].size());
+    // handles must actually be identical after sharing into an info buffer
+    ASSERT_EQ(linearBlock->handle(), streamInfo.data().linearBlocks()[0].handle());
+    ASSERT_EQ(linearPool->getAllocatorId(), streamInfo.data().linearBlocks()[0].getAllocatorId());
+
+    C2InfoBuffer portInfo = streamInfo.asPort(true /* output */);
+    ASSERT_EQ(kParamIndexNumber1, portInfo.index().coreIndex());
+    ASSERT_TRUE(portInfo.index().forPort());
+    ASSERT_TRUE(portInfo.index().forOutput());
+    ASSERT_EQ(C2Param::INFO, portInfo.index().kind());
+    ASSERT_EQ(C2BufferData::LINEAR, portInfo.data().type());
+    ASSERT_EQ(1024, portInfo.data().linearBlocks()[0].offset());
+    ASSERT_EQ(kCapacity / 2, portInfo.data().linearBlocks()[0].size());
+    // handles must actually be identical after sharing into an info buffer
+    ASSERT_EQ(linearBlock->handle(), portInfo.data().linearBlocks()[0].handle());
+    ASSERT_EQ(linearPool->getAllocatorId(), portInfo.data().linearBlocks()[0].getAllocatorId());
+}
+
 } // namespace android
diff --git a/media/codec2/vndk/C2AllocatorBlob.cpp b/media/codec2/vndk/C2AllocatorBlob.cpp
index 50c9e59..565137c 100644
--- a/media/codec2/vndk/C2AllocatorBlob.cpp
+++ b/media/codec2/vndk/C2AllocatorBlob.cpp
@@ -175,12 +175,12 @@
 }
 
 // static
-bool C2AllocatorBlob::isValid(const C2Handle* const o) {
+bool C2AllocatorBlob::CheckHandle(const C2Handle* const o) {
     size_t capacity;
     // Distinguish C2Handle purely allocated by C2AllocatorGralloc, or one allocated through
     // C2AllocatorBlob, by checking the handle's height is 1, and its format is
     // PixelFormat::BLOB by GetCapacityFromHandle().
-    return C2AllocatorGralloc::isValid(o) && GetCapacityFromHandle(o, &capacity) == C2_OK;
+    return C2AllocatorGralloc::CheckHandle(o) && GetCapacityFromHandle(o, &capacity) == C2_OK;
 }
 
 }  // namespace android
diff --git a/media/codec2/vndk/C2AllocatorGralloc.cpp b/media/codec2/vndk/C2AllocatorGralloc.cpp
index e1e1377..4d7e619 100644
--- a/media/codec2/vndk/C2AllocatorGralloc.cpp
+++ b/media/codec2/vndk/C2AllocatorGralloc.cpp
@@ -103,7 +103,7 @@
     const static uint32_t MAGIC = '\xc2gr\x00';
 
     static
-    const ExtraData* getExtraData(const C2Handle *const handle) {
+    const ExtraData* GetExtraData(const C2Handle *const handle) {
         if (handle == nullptr
                 || native_handle_is_invalid(handle)
                 || handle->numInts < NUM_INTS) {
@@ -114,23 +114,23 @@
     }
 
     static
-    ExtraData *getExtraData(C2Handle *const handle) {
-        return const_cast<ExtraData *>(getExtraData(const_cast<const C2Handle *const>(handle)));
+    ExtraData *GetExtraData(C2Handle *const handle) {
+        return const_cast<ExtraData *>(GetExtraData(const_cast<const C2Handle *const>(handle)));
     }
 
 public:
     void getIgbpData(uint32_t *generation, uint64_t *igbp_id, uint32_t *igbp_slot) const {
-        const ExtraData *ed = getExtraData(this);
+        const ExtraData *ed = GetExtraData(this);
         *generation = ed->generation;
         *igbp_id = unsigned(ed->igbp_id_lo) | uint64_t(unsigned(ed->igbp_id_hi)) << 32;
         *igbp_slot = ed->igbp_slot;
     }
 
-    static bool isValid(const C2Handle *const o) {
+    static bool IsValid(const C2Handle *const o) {
         if (o == nullptr) { // null handle is always valid
             return true;
         }
-        const ExtraData *xd = getExtraData(o);
+        const ExtraData *xd = GetExtraData(o);
         // we cannot validate width/height/format/usage without accessing gralloc driver
         return xd != nullptr && xd->magic == MAGIC;
     }
@@ -152,7 +152,7 @@
         native_handle_t *res = native_handle_create(handle->numFds, handle->numInts + NUM_INTS);
         if (res != nullptr) {
             memcpy(&res->data, &handle->data, sizeof(int) * (handle->numFds + handle->numInts));
-            *getExtraData(res) = xd;
+            *GetExtraData(res) = xd;
         }
         return reinterpret_cast<C2HandleGralloc *>(res);
     }
@@ -180,10 +180,10 @@
     static bool MigrateNativeHandle(
             native_handle_t *handle,
             uint32_t generation, uint64_t igbp_id, uint32_t igbp_slot) {
-        if (handle == nullptr || !isValid(handle)) {
+        if (handle == nullptr || !IsValid(handle)) {
             return false;
         }
-        ExtraData *ed = getExtraData(handle);
+        ExtraData *ed = GetExtraData(handle);
         if (!ed) return false;
         ed->generation = generation;
         ed->igbp_id_lo = uint32_t(igbp_id & 0xFFFFFFFF);
@@ -195,7 +195,7 @@
 
     static native_handle_t* UnwrapNativeHandle(
             const C2Handle *const handle) {
-        const ExtraData *xd = getExtraData(handle);
+        const ExtraData *xd = GetExtraData(handle);
         if (xd == nullptr || xd->magic != MAGIC) {
             return nullptr;
         }
@@ -211,7 +211,7 @@
             uint32_t *width, uint32_t *height, uint32_t *format,
             uint64_t *usage, uint32_t *stride,
             uint32_t *generation, uint64_t *igbp_id, uint32_t *igbp_slot) {
-        const ExtraData *xd = getExtraData(handle);
+        const ExtraData *xd = GetExtraData(handle);
         if (xd == nullptr) {
             return nullptr;
         }
@@ -784,8 +784,9 @@
     return mImpl->status();
 }
 
-bool C2AllocatorGralloc::isValid(const C2Handle* const o) {
-    return C2HandleGralloc::isValid(o);
+// static
+bool C2AllocatorGralloc::CheckHandle(const C2Handle* const o) {
+    return C2HandleGralloc::IsValid(o);
 }
 
 } // namespace android
diff --git a/media/codec2/vndk/C2AllocatorIon.cpp b/media/codec2/vndk/C2AllocatorIon.cpp
index 6d27a02..85623b8 100644
--- a/media/codec2/vndk/C2AllocatorIon.cpp
+++ b/media/codec2/vndk/C2AllocatorIon.cpp
@@ -73,7 +73,7 @@
 };
 
 // static
-bool C2HandleIon::isValid(const C2Handle * const o) {
+bool C2HandleIon::IsValid(const C2Handle * const o) {
     if (!o || memcmp(o, &cHeader, sizeof(cHeader))) {
         return false;
     }
@@ -579,7 +579,7 @@
         return mInit;
     }
 
-    if (!C2HandleIon::isValid(handle)) {
+    if (!C2HandleIon::IsValid(handle)) {
         return C2_BAD_VALUE;
     }
 
@@ -596,9 +596,8 @@
     return ret;
 }
 
-bool C2AllocatorIon::isValid(const C2Handle* const o) {
-    return C2HandleIon::isValid(o);
+bool C2AllocatorIon::CheckHandle(const C2Handle* const o) {
+    return C2HandleIon::IsValid(o);
 }
 
 } // namespace android
-
diff --git a/media/codec2/vndk/C2Buffer.cpp b/media/codec2/vndk/C2Buffer.cpp
index 0b08f31..143355f 100644
--- a/media/codec2/vndk/C2Buffer.cpp
+++ b/media/codec2/vndk/C2Buffer.cpp
@@ -106,6 +106,7 @@
 class BufferDataBuddy : public C2BufferData {
     using C2BufferData::C2BufferData;
     friend class ::C2Buffer;
+    friend class ::C2InfoBuffer;
 };
 
 }  // namespace
@@ -396,26 +397,18 @@
 std::shared_ptr<C2LinearBlock> _C2BlockFactory::CreateLinearBlock(
         const C2Handle *handle) {
     // TODO: get proper allocator? and mutex?
-    static std::unique_ptr<C2Allocator> sAllocator = []{
-        std::unique_ptr<C2Allocator> allocator;
-        if (android::GetPreferredLinearAllocatorId(android::GetCodec2PoolMask()) ==
-                android::C2PlatformAllocatorStore::BLOB) {
-            allocator = std::make_unique<C2AllocatorBlob>(android::C2PlatformAllocatorStore::BLOB);
-        } else {
-            allocator = std::make_unique<C2AllocatorIon>(android::C2PlatformAllocatorStore::ION);
-        }
+    static std::shared_ptr<C2Allocator> sAllocator = []{
+        std::shared_ptr<C2Allocator> allocator;
+        std::shared_ptr<C2AllocatorStore> allocatorStore = android::GetCodec2PlatformAllocatorStore();
+        allocatorStore->fetchAllocator(C2AllocatorStore::DEFAULT_LINEAR, &allocator);
+
         return allocator;
     }();
 
     if (sAllocator == nullptr)
         return nullptr;
 
-    bool isValidHandle = false;
-    if (sAllocator->getId() == android::C2PlatformAllocatorStore::BLOB) {
-        isValidHandle = C2AllocatorBlob::isValid(handle);
-    } else {
-        isValidHandle = C2AllocatorIon::isValid(handle);
-    }
+    bool isValidHandle = sAllocator->checkHandle(handle);
 
     std::shared_ptr<C2LinearAllocation> alloc;
     if (isValidHandle) {
@@ -431,26 +424,18 @@
 std::shared_ptr<C2LinearBlock> _C2BlockFactory::CreateLinearBlock(
         const C2Handle *cHandle, const std::shared_ptr<BufferPoolData> &data) {
     // TODO: get proper allocator? and mutex?
-    static std::unique_ptr<C2Allocator> sAllocator = []{
-        std::unique_ptr<C2Allocator> allocator;
-        if (android::GetPreferredLinearAllocatorId(android::GetCodec2PoolMask()) ==
-                android::C2PlatformAllocatorStore::BLOB) {
-            allocator = std::make_unique<C2AllocatorBlob>(android::C2PlatformAllocatorStore::BLOB);
-        } else {
-            allocator = std::make_unique<C2AllocatorIon>(android::C2PlatformAllocatorStore::ION);
-        }
+    static std::shared_ptr<C2Allocator> sAllocator = []{
+        std::shared_ptr<C2Allocator> allocator;
+        std::shared_ptr<C2AllocatorStore> allocatorStore = android::GetCodec2PlatformAllocatorStore();
+        allocatorStore->fetchAllocator(C2AllocatorStore::DEFAULT_LINEAR, &allocator);
+
         return allocator;
     }();
 
     if (sAllocator == nullptr)
         return nullptr;
 
-    bool isValidHandle = false;
-    if (sAllocator->getId() == android::C2PlatformAllocatorStore::BLOB) {
-        isValidHandle = C2AllocatorBlob::isValid(cHandle);
-    } else {
-        isValidHandle = C2AllocatorIon::isValid(cHandle);
-    }
+    bool isValidHandle = sAllocator->checkHandle(cHandle);
 
     std::shared_ptr<C2LinearAllocation> alloc;
     if (isValidHandle) {
@@ -1148,7 +1133,7 @@
     static std::unique_ptr<C2AllocatorGralloc> sAllocator = std::make_unique<C2AllocatorGralloc>(0);
 
     std::shared_ptr<C2GraphicAllocation> alloc;
-    if (C2AllocatorGralloc::isValid(cHandle)) {
+    if (sAllocator->isValid(cHandle)) {
         c2_status_t err = sAllocator->priorGraphicAllocation(cHandle, &alloc);
         const std::shared_ptr<C2PooledBlockPoolData> poolData =
                 std::make_shared<C2PooledBlockPoolData>(data);
@@ -1185,6 +1170,7 @@
     type_t mType;
     std::vector<C2ConstLinearBlock> mLinearBlocks;
     std::vector<C2ConstGraphicBlock> mGraphicBlocks;
+    friend class C2InfoBuffer;
 };
 
 C2BufferData::C2BufferData(const std::vector<C2ConstLinearBlock> &blocks) : mImpl(new Impl(blocks)) {}
@@ -1200,6 +1186,35 @@
     return mImpl->graphicBlocks();
 }
 
+C2InfoBuffer::C2InfoBuffer(
+    C2Param::Index index, const std::vector<C2ConstLinearBlock> &blocks)
+    : mIndex(index), mData(BufferDataBuddy(blocks)) {
+}
+
+C2InfoBuffer::C2InfoBuffer(
+    C2Param::Index index, const std::vector<C2ConstGraphicBlock> &blocks)
+    : mIndex(index), mData(BufferDataBuddy(blocks)) {
+}
+
+C2InfoBuffer::C2InfoBuffer(
+    C2Param::Index index, const C2BufferData &data)
+    : mIndex(index), mData(data) {
+}
+
+// static
+C2InfoBuffer C2InfoBuffer::CreateLinearBuffer(
+        C2Param::CoreIndex index, const C2ConstLinearBlock &block) {
+    return C2InfoBuffer(index.coreIndex() | C2Param::Index::KIND_INFO | C2Param::Index::DIR_GLOBAL,
+                        { block });
+}
+
+// static
+C2InfoBuffer C2InfoBuffer::CreateGraphicBuffer(
+        C2Param::CoreIndex index, const C2ConstGraphicBlock &block) {
+    return C2InfoBuffer(index.coreIndex() | C2Param::Index::KIND_INFO | C2Param::Index::DIR_GLOBAL,
+                        { block });
+}
+
 class C2Buffer::Impl {
 public:
     Impl(C2Buffer *thiz, const std::vector<C2ConstLinearBlock> &blocks)
@@ -1330,4 +1345,3 @@
 std::shared_ptr<C2Buffer> C2Buffer::CreateGraphicBuffer(const C2ConstGraphicBlock &block) {
     return std::shared_ptr<C2Buffer>(new C2Buffer({ block }));
 }
-
diff --git a/media/codec2/vndk/include/C2AllocatorBlob.h b/media/codec2/vndk/include/C2AllocatorBlob.h
index 89ce949..fc67af7 100644
--- a/media/codec2/vndk/include/C2AllocatorBlob.h
+++ b/media/codec2/vndk/include/C2AllocatorBlob.h
@@ -44,7 +44,12 @@
 
     virtual ~C2AllocatorBlob() override;
 
-    static bool isValid(const C2Handle* const o);
+    virtual bool checkHandle(const C2Handle* const o) const override { return CheckHandle(o); }
+
+    static bool CheckHandle(const C2Handle* const o);
+
+    // deprecated
+    static bool isValid(const C2Handle* const o) { return CheckHandle(o); }
 
 private:
     std::shared_ptr<const Traits> mTraits;
diff --git a/media/codec2/vndk/include/C2AllocatorGralloc.h b/media/codec2/vndk/include/C2AllocatorGralloc.h
index ee7524e..578cf76 100644
--- a/media/codec2/vndk/include/C2AllocatorGralloc.h
+++ b/media/codec2/vndk/include/C2AllocatorGralloc.h
@@ -84,7 +84,12 @@
 
     virtual ~C2AllocatorGralloc() override;
 
-    static bool isValid(const C2Handle* const o);
+    virtual bool checkHandle(const C2Handle* const o) const override { return CheckHandle(o); }
+
+    static bool CheckHandle(const C2Handle* const o);
+
+    // deprecated
+    static bool isValid(const C2Handle* const o) { return CheckHandle(o); }
 
 private:
     class Impl;
diff --git a/media/codec2/vndk/include/C2AllocatorIon.h b/media/codec2/vndk/include/C2AllocatorIon.h
index 1b2051f..6a49b7d 100644
--- a/media/codec2/vndk/include/C2AllocatorIon.h
+++ b/media/codec2/vndk/include/C2AllocatorIon.h
@@ -57,7 +57,12 @@
 
     virtual ~C2AllocatorIon() override;
 
-    static bool isValid(const C2Handle* const o);
+    virtual bool checkHandle(const C2Handle* const o) const override { return CheckHandle(o); }
+
+    static bool CheckHandle(const C2Handle* const o);
+
+    // deprecated
+    static bool isValid(const C2Handle* const o) { return CheckHandle(o); }
 
     /**
      * Updates the usage mapper for subsequent new allocations, as well as the supported
diff --git a/media/codec2/vndk/internal/C2HandleIonInternal.h b/media/codec2/vndk/internal/C2HandleIonInternal.h
index c0e1d83..c67698c 100644
--- a/media/codec2/vndk/internal/C2HandleIonInternal.h
+++ b/media/codec2/vndk/internal/C2HandleIonInternal.h
@@ -28,7 +28,10 @@
           mFds{ bufferFd },
           mInts{ int(size & 0xFFFFFFFF), int((uint64_t(size) >> 32) & 0xFFFFFFFF), kMagic } { }
 
-    static bool isValid(const C2Handle * const o);
+    static bool IsValid(const C2Handle * const o);
+
+    // deprecated
+    static bool isValid(const C2Handle * const o) { return IsValid(o); }
 
     int bufferFd() const { return mFds.mBuffer; }
     size_t size() const {
diff --git a/media/codec2/vndk/platform/C2BqBuffer.cpp b/media/codec2/vndk/platform/C2BqBuffer.cpp
index 62936f6..fff12c4 100644
--- a/media/codec2/vndk/platform/C2BqBuffer.cpp
+++ b/media/codec2/vndk/platform/C2BqBuffer.cpp
@@ -223,7 +223,7 @@
     static std::unique_ptr<C2AllocatorGralloc> sAllocator = std::make_unique<C2AllocatorGralloc>(0);
 
     std::shared_ptr<C2GraphicAllocation> alloc;
-    if (C2AllocatorGralloc::isValid(handle)) {
+    if (C2AllocatorGralloc::CheckHandle(handle)) {
         uint32_t width;
         uint32_t height;
         uint32_t format;
diff --git a/media/extractors/ogg/OggExtractor.cpp b/media/extractors/ogg/OggExtractor.cpp
index ab2b553..62f0808 100644
--- a/media/extractors/ogg/OggExtractor.cpp
+++ b/media/extractors/ogg/OggExtractor.cpp
@@ -1322,8 +1322,8 @@
                 || audioChannelCount <= 0 || audioChannelCount > FCC_8) {
             ALOGE("Invalid haptic channel count found in metadata: %d", mHapticChannelCount);
         } else {
-            const audio_channel_mask_t channelMask = audio_channel_out_mask_from_count(
-                    audioChannelCount) | hapticChannelMask;
+            const audio_channel_mask_t channelMask = static_cast<audio_channel_mask_t>(
+                    audio_channel_out_mask_from_count(audioChannelCount) | hapticChannelMask);
             AMediaFormat_setInt32(mMeta, AMEDIAFORMAT_KEY_CHANNEL_MASK, channelMask);
             AMediaFormat_setInt32(
                     mMeta, AMEDIAFORMAT_KEY_HAPTIC_CHANNEL_COUNT, mHapticChannelCount);
diff --git a/media/libaaudio/src/utility/AAudioUtilities.cpp b/media/libaaudio/src/utility/AAudioUtilities.cpp
index 9007b10..dbb3d2b 100644
--- a/media/libaaudio/src/utility/AAudioUtilities.cpp
+++ b/media/libaaudio/src/utility/AAudioUtilities.cpp
@@ -231,7 +231,8 @@
         case AAUDIO_ALLOW_CAPTURE_BY_SYSTEM:
             return AUDIO_FLAG_NO_MEDIA_PROJECTION;
         case AAUDIO_ALLOW_CAPTURE_BY_NONE:
-            return AUDIO_FLAG_NO_MEDIA_PROJECTION | AUDIO_FLAG_NO_SYSTEM_CAPTURE;
+            return static_cast<audio_flags_mask_t>(
+                    AUDIO_FLAG_NO_MEDIA_PROJECTION | AUDIO_FLAG_NO_SYSTEM_CAPTURE);
         default:
             ALOGE("%s() 0x%08X unrecognized", __func__, policy);
             return AUDIO_FLAG_NONE; //
diff --git a/media/libaudioclient/AudioRecord.cpp b/media/libaudioclient/AudioRecord.cpp
index d6671e3..55b836f 100644
--- a/media/libaudioclient/AudioRecord.cpp
+++ b/media/libaudioclient/AudioRecord.cpp
@@ -279,7 +279,8 @@
         mAttributes.source = inputSource;
         if (inputSource == AUDIO_SOURCE_VOICE_COMMUNICATION
                 || inputSource == AUDIO_SOURCE_CAMCORDER) {
-            mAttributes.flags |= AUDIO_FLAG_CAPTURE_PRIVATE;
+            mAttributes.flags = static_cast<audio_flags_mask_t>(
+                    mAttributes.flags | AUDIO_FLAG_CAPTURE_PRIVATE);
         }
     } else {
         // stream type shouldn't be looked at, this track has audio attributes
diff --git a/media/libaudioclient/AudioTrack.cpp b/media/libaudioclient/AudioTrack.cpp
index 41af78c..2c40fbb 100644
--- a/media/libaudioclient/AudioTrack.cpp
+++ b/media/libaudioclient/AudioTrack.cpp
@@ -227,7 +227,7 @@
 {
     mAttributes.content_type = AUDIO_CONTENT_TYPE_UNKNOWN;
     mAttributes.usage = AUDIO_USAGE_UNKNOWN;
-    mAttributes.flags = 0x0;
+    mAttributes.flags = AUDIO_FLAG_NONE;
     strcpy(mAttributes.tags, "");
 }
 
@@ -467,7 +467,7 @@
     if (format == AUDIO_FORMAT_DEFAULT) {
         format = AUDIO_FORMAT_PCM_16_BIT;
     } else if (format == AUDIO_FORMAT_IEC61937) { // HDMI pass-through?
-        mAttributes.flags |= AUDIO_OUTPUT_FLAG_IEC958_NONAUDIO;
+        flags = static_cast<audio_output_flags_t>(flags | AUDIO_OUTPUT_FLAG_IEC958_NONAUDIO);
     }
 
     // validate parameters
@@ -644,6 +644,36 @@
     return status;
 }
 
+
+status_t AudioTrack::set(
+        audio_stream_type_t streamType,
+        uint32_t sampleRate,
+        audio_format_t format,
+        uint32_t channelMask,
+        size_t frameCount,
+        audio_output_flags_t flags,
+        callback_t cbf,
+        void* user,
+        int32_t notificationFrames,
+        const sp<IMemory>& sharedBuffer,
+        bool threadCanCallJava,
+        audio_session_t sessionId,
+        transfer_type transferType,
+        const audio_offload_info_t *offloadInfo,
+        uid_t uid,
+        pid_t pid,
+        const audio_attributes_t* pAttributes,
+        bool doNotReconnect,
+        float maxRequiredSpeed,
+        audio_port_handle_t selectedDeviceId)
+{
+    return set(streamType, sampleRate, format,
+            static_cast<audio_channel_mask_t>(channelMask),
+            frameCount, flags, cbf, user, notificationFrames, sharedBuffer,
+            threadCanCallJava, sessionId, transferType, offloadInfo, uid, pid,
+            pAttributes, doNotReconnect, maxRequiredSpeed, selectedDeviceId);
+}
+
 // -------------------------------------------------------------------------
 
 status_t AudioTrack::start()
diff --git a/media/libaudioclient/IAudioFlinger.cpp b/media/libaudioclient/IAudioFlinger.cpp
index b86570a..7c304a1 100644
--- a/media/libaudioclient/IAudioFlinger.cpp
+++ b/media/libaudioclient/IAudioFlinger.cpp
@@ -1222,7 +1222,7 @@
             CHECK_INTERFACE(IAudioFlinger, data, reply);
             uint32_t sampleRate = data.readInt32();
             audio_format_t format = (audio_format_t) data.readInt32();
-            audio_channel_mask_t channelMask = data.readInt32();
+            audio_channel_mask_t channelMask = (audio_channel_mask_t) data.readInt32();
             reply->writeInt64( getInputBufferSize(sampleRate, format, channelMask) );
             return NO_ERROR;
         } break;
diff --git a/media/libaudioclient/IAudioPolicyService.cpp b/media/libaudioclient/IAudioPolicyService.cpp
index ccb1d98..81f9dff 100644
--- a/media/libaudioclient/IAudioPolicyService.cpp
+++ b/media/libaudioclient/IAudioPolicyService.cpp
@@ -2758,7 +2758,7 @@
         case SET_ALLOWED_CAPTURE_POLICY: {
             CHECK_INTERFACE(IAudioPolicyService, data, reply);
             uid_t uid = data.readInt32();
-            audio_flags_mask_t flags = data.readInt32();
+            audio_flags_mask_t flags = static_cast<audio_flags_mask_t>(data.readInt32());
             status_t status = setAllowedCapturePolicy(uid, flags);
             reply->writeInt32(status);
             return NO_ERROR;
diff --git a/media/libaudioclient/include/media/AudioTrack.h b/media/libaudioclient/include/media/AudioTrack.h
index a9946da..de183d8 100644
--- a/media/libaudioclient/include/media/AudioTrack.h
+++ b/media/libaudioclient/include/media/AudioTrack.h
@@ -344,6 +344,27 @@
                             bool doNotReconnect = false,
                             float maxRequiredSpeed = 1.0f,
                             audio_port_handle_t selectedDeviceId = AUDIO_PORT_HANDLE_NONE);
+    // FIXME(b/169889714): Vendor code depends on the old method signature at link time
+            status_t    set(audio_stream_type_t streamType,
+                            uint32_t sampleRate,
+                            audio_format_t format,
+                            uint32_t channelMask,
+                            size_t frameCount   = 0,
+                            audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE,
+                            callback_t cbf      = NULL,
+                            void* user          = NULL,
+                            int32_t notificationFrames = 0,
+                            const sp<IMemory>& sharedBuffer = 0,
+                            bool threadCanCallJava = false,
+                            audio_session_t sessionId  = AUDIO_SESSION_ALLOCATE,
+                            transfer_type transferType = TRANSFER_DEFAULT,
+                            const audio_offload_info_t *offloadInfo = NULL,
+                            uid_t uid = AUDIO_UID_INVALID,
+                            pid_t pid = -1,
+                            const audio_attributes_t* pAttributes = NULL,
+                            bool doNotReconnect = false,
+                            float maxRequiredSpeed = 1.0f,
+                            audio_port_handle_t selectedDeviceId = AUDIO_PORT_HANDLE_NONE);
 
     /* Result of constructing the AudioTrack. This must be checked for successful initialization
      * before using any AudioTrack API (except for set()), because using
diff --git a/media/libaudiofoundation/AudioDeviceTypeAddr.cpp b/media/libaudiofoundation/AudioDeviceTypeAddr.cpp
index d8fce38..a47337b 100644
--- a/media/libaudiofoundation/AudioDeviceTypeAddr.cpp
+++ b/media/libaudiofoundation/AudioDeviceTypeAddr.cpp
@@ -106,7 +106,9 @@
 
 status_t AudioDeviceTypeAddr::readFromParcel(const Parcel *parcel) {
     status_t status;
-    if ((status = parcel->readUint32(&mType)) != NO_ERROR) return status;
+    uint32_t rawDeviceType;
+    if ((status = parcel->readUint32(&rawDeviceType)) != NO_ERROR) return status;
+    mType = static_cast<audio_devices_t>(rawDeviceType);
     status = parcel->readUtf8FromUtf16(&mAddress);
     return status;
 }
@@ -153,4 +155,4 @@
     return stream.str();
 }
 
-} // namespace android
\ No newline at end of file
+} // namespace android
diff --git a/media/libaudiofoundation/AudioGain.cpp b/media/libaudiofoundation/AudioGain.cpp
index 0d28335..759140e 100644
--- a/media/libaudiofoundation/AudioGain.cpp
+++ b/media/libaudiofoundation/AudioGain.cpp
@@ -152,8 +152,12 @@
     if ((status = parcel->readInt32(&mIndex)) != NO_ERROR) return status;
     if ((status = parcel->readBool(&mUseInChannelMask)) != NO_ERROR) return status;
     if ((status = parcel->readBool(&mUseForVolume)) != NO_ERROR) return status;
-    if ((status = parcel->readUint32(&mGain.mode)) != NO_ERROR) return status;
-    if ((status = parcel->readUint32(&mGain.channel_mask)) != NO_ERROR) return status;
+    uint32_t rawGainMode;
+    if ((status = parcel->readUint32(&rawGainMode)) != NO_ERROR) return status;
+    mGain.mode = static_cast<audio_gain_mode_t>(rawGainMode);
+    uint32_t rawChannelMask;
+    if ((status = parcel->readUint32(&rawChannelMask)) != NO_ERROR) return status;
+    mGain.channel_mask = static_cast<audio_channel_mask_t>(rawChannelMask);
     if ((status = parcel->readInt32(&mGain.min_value)) != NO_ERROR) return status;
     if ((status = parcel->readInt32(&mGain.max_value)) != NO_ERROR) return status;
     if ((status = parcel->readInt32(&mGain.default_value)) != NO_ERROR) return status;
diff --git a/media/libaudiofoundation/AudioPort.cpp b/media/libaudiofoundation/AudioPort.cpp
index f988690..1846a6b 100644
--- a/media/libaudiofoundation/AudioPort.cpp
+++ b/media/libaudiofoundation/AudioPort.cpp
@@ -268,12 +268,17 @@
     if ((status = parcel->readUint32(reinterpret_cast<uint32_t*>(&mFormat))) != NO_ERROR) {
         return status;
     }
-    if ((status = parcel->readUint32(&mChannelMask)) != NO_ERROR) return status;
+    uint32_t rawChannelMask;
+    if ((status = parcel->readUint32(&rawChannelMask)) != NO_ERROR) return status;
+    mChannelMask = static_cast<audio_channel_mask_t>(rawChannelMask);
     if ((status = parcel->readInt32(&mId)) != NO_ERROR) return status;
     // Read mGain from parcel.
     if ((status = parcel->readInt32(&mGain.index)) != NO_ERROR) return status;
-    if ((status = parcel->readUint32(&mGain.mode)) != NO_ERROR) return status;
-    if ((status = parcel->readUint32(&mGain.channel_mask)) != NO_ERROR) return status;
+    uint32_t rawGainMode;
+    if ((status = parcel->readUint32(&rawGainMode)) != NO_ERROR) return status;
+    mGain.mode = static_cast<audio_gain_mode_t>(rawGainMode);
+    if ((status = parcel->readUint32(&rawChannelMask)) != NO_ERROR) return status;
+    mGain.channel_mask = static_cast<audio_channel_mask_t>(rawChannelMask);
     if ((status = parcel->readUint32(&mGain.ramp_duration_ms)) != NO_ERROR) return status;
     std::vector<int> values;
     if ((status = parcel->readInt32Vector(&values)) != NO_ERROR) return status;
diff --git a/media/libaudiofoundation/AudioProfile.cpp b/media/libaudiofoundation/AudioProfile.cpp
index 91be346..67b600e 100644
--- a/media/libaudiofoundation/AudioProfile.cpp
+++ b/media/libaudiofoundation/AudioProfile.cpp
@@ -157,7 +157,9 @@
     std::vector<int> values;
     if ((status = parcel->readInt32Vector(&values)) != NO_ERROR) return status;
     mChannelMasks.clear();
-    mChannelMasks.insert(values.begin(), values.end());
+    for (auto raw : values) {
+        mChannelMasks.insert(static_cast<audio_channel_mask_t>(raw));
+    }
     values.clear();
     if ((status = parcel->readInt32Vector(&values)) != NO_ERROR) return status;
     mSamplingRates.clear();
diff --git a/media/libaudiofoundation/include/media/AudioContainers.h b/media/libaudiofoundation/include/media/AudioContainers.h
index 72fda49..aa7ca69 100644
--- a/media/libaudiofoundation/include/media/AudioContainers.h
+++ b/media/libaudiofoundation/include/media/AudioContainers.h
@@ -96,7 +96,7 @@
 static inline audio_devices_t deviceTypesToBitMask(const DeviceTypeSet& deviceTypes) {
     audio_devices_t types = AUDIO_DEVICE_NONE;
     for (auto deviceType : deviceTypes) {
-        types |= deviceType;
+        types = static_cast<audio_devices_t>(types | deviceType);
     }
     return types;
 }
@@ -131,4 +131,4 @@
 std::string toString(const DeviceTypeSet& deviceTypes);
 
 
-} // namespace android
\ No newline at end of file
+} // namespace android
diff --git a/media/libaudioprocessing/AudioMixer.cpp b/media/libaudioprocessing/AudioMixer.cpp
index 2ea215f..d85e2e9 100644
--- a/media/libaudioprocessing/AudioMixer.cpp
+++ b/media/libaudioprocessing/AudioMixer.cpp
@@ -79,10 +79,14 @@
             && mixerChannelMask == (track->mMixerChannelMask | track->mMixerHapticChannelMask)) {
         return false;  // no need to change
     }
-    const audio_channel_mask_t hapticChannelMask = trackChannelMask & AUDIO_CHANNEL_HAPTIC_ALL;
-    trackChannelMask &= ~AUDIO_CHANNEL_HAPTIC_ALL;
-    const audio_channel_mask_t mixerHapticChannelMask = mixerChannelMask & AUDIO_CHANNEL_HAPTIC_ALL;
-    mixerChannelMask &= ~AUDIO_CHANNEL_HAPTIC_ALL;
+    const audio_channel_mask_t hapticChannelMask =
+            static_cast<audio_channel_mask_t>(trackChannelMask & AUDIO_CHANNEL_HAPTIC_ALL);
+    trackChannelMask = static_cast<audio_channel_mask_t>(
+            trackChannelMask & ~AUDIO_CHANNEL_HAPTIC_ALL);
+    const audio_channel_mask_t mixerHapticChannelMask = static_cast<audio_channel_mask_t>(
+            mixerChannelMask & AUDIO_CHANNEL_HAPTIC_ALL);
+    mixerChannelMask = static_cast<audio_channel_mask_t>(
+            mixerChannelMask & ~AUDIO_CHANNEL_HAPTIC_ALL);
     // always recompute for both channel masks even if only one has changed.
     const uint32_t trackChannelCount = audio_channel_count_from_out_mask(trackChannelMask);
     const uint32_t mixerChannelCount = audio_channel_count_from_out_mask(mixerChannelMask);
@@ -362,7 +366,8 @@
             const audio_channel_mask_t trackChannelMask =
                 static_cast<audio_channel_mask_t>(valueInt);
             if (setChannelMasks(name, trackChannelMask,
-                    (track->mMixerChannelMask | track->mMixerHapticChannelMask))) {
+                    static_cast<audio_channel_mask_t>(
+                            track->mMixerChannelMask | track->mMixerHapticChannelMask))) {
                 ALOGV("setParameter(TRACK, CHANNEL_MASK, %x)", trackChannelMask);
                 invalidate();
             }
@@ -407,7 +412,8 @@
         case MIXER_CHANNEL_MASK: {
             const audio_channel_mask_t mixerChannelMask =
                     static_cast<audio_channel_mask_t>(valueInt);
-            if (setChannelMasks(name, track->channelMask | track->mHapticChannelMask,
+            if (setChannelMasks(name, static_cast<audio_channel_mask_t>(
+                                    track->channelMask | track->mHapticChannelMask),
                     mixerChannelMask)) {
                 ALOGV("setParameter(TRACK, MIXER_CHANNEL_MASK, %#x)", mixerChannelMask);
                 invalidate();
@@ -533,9 +539,10 @@
     Track* t = static_cast<Track*>(track);
 
     audio_channel_mask_t channelMask = t->channelMask;
-    t->mHapticChannelMask = channelMask & AUDIO_CHANNEL_HAPTIC_ALL;
+    t->mHapticChannelMask = static_cast<audio_channel_mask_t>(
+            channelMask & AUDIO_CHANNEL_HAPTIC_ALL);
     t->mHapticChannelCount = audio_channel_count_from_out_mask(t->mHapticChannelMask);
-    channelMask &= ~AUDIO_CHANNEL_HAPTIC_ALL;
+    channelMask = static_cast<audio_channel_mask_t>(channelMask & ~AUDIO_CHANNEL_HAPTIC_ALL);
     t->channelCount = audio_channel_count_from_out_mask(channelMask);
     ALOGV_IF(audio_channel_mask_get_bits(channelMask) != AUDIO_CHANNEL_OUT_STEREO,
             "Non-stereo channel mask: %d\n", channelMask);
diff --git a/media/libaudioprocessing/tests/test-mixer.cpp b/media/libaudioprocessing/tests/test-mixer.cpp
index bc9d2a6..1bbb863 100644
--- a/media/libaudioprocessing/tests/test-mixer.cpp
+++ b/media/libaudioprocessing/tests/test-mixer.cpp
@@ -241,7 +241,8 @@
     // set up the tracks.
     for (size_t i = 0; i < providers.size(); ++i) {
         //printf("track %d out of %d\n", i, providers.size());
-        uint32_t channelMask = audio_channel_out_mask_from_count(providers[i].getNumChannels());
+        audio_channel_mask_t channelMask =
+                audio_channel_out_mask_from_count(providers[i].getNumChannels());
         const int name = i;
         const status_t status = mixer->create(
                 name, channelMask, formats[i], AUDIO_SESSION_OUTPUT_MIX);
diff --git a/media/libeffects/lvm/tests/lvmtest.cpp b/media/libeffects/lvm/tests/lvmtest.cpp
index a1520af..5c5f646 100644
--- a/media/libeffects/lvm/tests/lvmtest.cpp
+++ b/media/libeffects/lvm/tests/lvmtest.cpp
@@ -94,21 +94,21 @@
         AUDIO_CHANNEL_OUT_QUAD_BACK,
         AUDIO_CHANNEL_OUT_QUAD_SIDE,
         AUDIO_CHANNEL_OUT_SURROUND,
-        (1 << 4) - 1,
+        AUDIO_CHANNEL_INDEX_MASK_4,
         AUDIO_CHANNEL_OUT_2POINT1POINT2,
         AUDIO_CHANNEL_OUT_3POINT0POINT2,
         AUDIO_CHANNEL_OUT_PENTA,
-        (1 << 5) - 1,
+        AUDIO_CHANNEL_INDEX_MASK_5,
         AUDIO_CHANNEL_OUT_3POINT1POINT2,
         AUDIO_CHANNEL_OUT_5POINT1,
         AUDIO_CHANNEL_OUT_5POINT1_BACK,
         AUDIO_CHANNEL_OUT_5POINT1_SIDE,
-        (1 << 6) - 1,
+        AUDIO_CHANNEL_INDEX_MASK_6,
         AUDIO_CHANNEL_OUT_6POINT1,
-        (1 << 7) - 1,
+        AUDIO_CHANNEL_INDEX_MASK_7,
         AUDIO_CHANNEL_OUT_5POINT1POINT2,
         AUDIO_CHANNEL_OUT_7POINT1,
-        (1 << 8) - 1,
+        AUDIO_CHANNEL_INDEX_MASK_8,
 };
 
 void printUsage() {
diff --git a/media/libeffects/lvm/tests/reverb_test.cpp b/media/libeffects/lvm/tests/reverb_test.cpp
index 768f655..7cbca9b 100644
--- a/media/libeffects/lvm/tests/reverb_test.cpp
+++ b/media/libeffects/lvm/tests/reverb_test.cpp
@@ -79,21 +79,21 @@
         AUDIO_CHANNEL_OUT_QUAD_BACK,
         AUDIO_CHANNEL_OUT_QUAD_SIDE,
         AUDIO_CHANNEL_OUT_SURROUND,
-        (1 << 4) - 1,
+        AUDIO_CHANNEL_INDEX_MASK_4,
         AUDIO_CHANNEL_OUT_2POINT1POINT2,
         AUDIO_CHANNEL_OUT_3POINT0POINT2,
         AUDIO_CHANNEL_OUT_PENTA,
-        (1 << 5) - 1,
+        AUDIO_CHANNEL_INDEX_MASK_5,
         AUDIO_CHANNEL_OUT_3POINT1POINT2,
         AUDIO_CHANNEL_OUT_5POINT1,
         AUDIO_CHANNEL_OUT_5POINT1_BACK,
         AUDIO_CHANNEL_OUT_5POINT1_SIDE,
-        (1 << 6) - 1,
+        AUDIO_CHANNEL_INDEX_MASK_6,
         AUDIO_CHANNEL_OUT_6POINT1,
-        (1 << 7) - 1,
+        AUDIO_CHANNEL_INDEX_MASK_7,
         AUDIO_CHANNEL_OUT_5POINT1POINT2,
         AUDIO_CHANNEL_OUT_7POINT1,
-        (1 << 8) - 1,
+        AUDIO_CHANNEL_INDEX_MASK_8,
 };
 
 constexpr int kReverbConfigChMaskCount = std::size(kReverbConfigChMask);
diff --git a/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp b/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp
index 973a164..670b415 100644
--- a/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp
+++ b/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp
@@ -3394,8 +3394,8 @@
                 return -EINVAL;
             }
 
-            uint32_t device = *(uint32_t*)pCmdData;
-            pContext->pBundledContext->nOutputDevice = (audio_devices_t)device;
+            audio_devices_t device = *(audio_devices_t *)pCmdData;
+            pContext->pBundledContext->nOutputDevice = device;
 
             if (pContext->EffectType == LVM_BASS_BOOST) {
                 if ((device == AUDIO_DEVICE_OUT_SPEAKER) ||
diff --git a/media/libmedia/include/media/mediametadataretriever.h b/media/libmedia/include/media/mediametadataretriever.h
index 138a014..1fe6ffc 100644
--- a/media/libmedia/include/media/mediametadataretriever.h
+++ b/media/libmedia/include/media/mediametadataretriever.h
@@ -73,6 +73,7 @@
     METADATA_KEY_COLOR_RANGE     = 37,
     METADATA_KEY_SAMPLERATE      = 38,
     METADATA_KEY_BITS_PER_SAMPLE = 39,
+    METADATA_KEY_VIDEO_CODEC_MIME_TYPE = 40,
 
     // Add more here...
 };
diff --git a/media/libmediahelper/TypeConverter.cpp b/media/libmediahelper/TypeConverter.cpp
index 705959a..876dc45 100644
--- a/media/libmediahelper/TypeConverter.cpp
+++ b/media/libmediahelper/TypeConverter.cpp
@@ -32,18 +32,21 @@
     MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_SCO),
     MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET),
     MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT),
-    MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_ALL_SCO),
+    // TODO(mnaganov): Remove from here, use 'audio_is_bluetooth_out_sco_device' function.
+    { "AUDIO_DEVICE_OUT_ALL_SCO", static_cast<audio_devices_t>(AUDIO_DEVICE_OUT_ALL_SCO) },
     MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_A2DP),
     MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES),
     MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER),
-    MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_ALL_A2DP),
+    // TODO(mnaganov): Remove from here, use 'audio_is_a2dp_out_device' function.
+    { "AUDIO_DEVICE_OUT_ALL_A2DP", static_cast<audio_devices_t>(AUDIO_DEVICE_OUT_ALL_A2DP) },
     MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_AUX_DIGITAL),
     MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_HDMI),
     MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET),
     MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET),
     MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_USB_ACCESSORY),
     MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_USB_DEVICE),
-    MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_ALL_USB),
+    // TODO(mnaganov): Remove from here, use 'audio_is_usb_out_device' function.
+    { "AUDIO_DEVICE_OUT_ALL_USB", static_cast<audio_devices_t>(AUDIO_DEVICE_OUT_ALL_USB) },
     MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_REMOTE_SUBMIX),
     MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_TELEPHONY_TX),
     MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_LINE),
@@ -72,7 +75,8 @@
     MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_AMBIENT),
     MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_BUILTIN_MIC),
     MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET),
-    MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_ALL_SCO),
+    // TODO(mnaganov): Remove from here, use 'audio_is_bluetooth_in_sco_device' function.
+    { "AUDIO_DEVICE_IN_ALL_SCO", static_cast<audio_devices_t>(AUDIO_DEVICE_IN_ALL_SCO) },
     MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_WIRED_HEADSET),
     MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_AUX_DIGITAL),
     MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_HDMI),
@@ -85,7 +89,8 @@
     MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET),
     MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_USB_ACCESSORY),
     MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_USB_DEVICE),
-    MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_ALL_USB),
+    // TODO(mnaganov): Remove from here, use 'audio_is_usb_in_device' function.
+    { "AUDIO_DEVICE_IN_ALL_USB", static_cast<audio_devices_t>(AUDIO_DEVICE_IN_ALL_USB) },
     MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_FM_TUNER),
     MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_TV_TUNER),
     MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_LINE),
diff --git a/media/libmediaplayerservice/StagefrightMetadataRetriever.cpp b/media/libmediaplayerservice/StagefrightMetadataRetriever.cpp
index 41b6f72..09b9145 100644
--- a/media/libmediaplayerservice/StagefrightMetadataRetriever.cpp
+++ b/media/libmediaplayerservice/StagefrightMetadataRetriever.cpp
@@ -538,7 +538,7 @@
 
     // The overall duration is the duration of the longest track.
     int64_t maxDurationUs = 0;
-    String8 timedTextLang;
+    String8 timedTextLang, videoMime;
     for (size_t i = 0; i < numTracks; ++i) {
         sp<MetaData> trackMeta = mExtractor->getTrackMetaData(i);
         if (!trackMeta) {
@@ -575,6 +575,7 @@
                 }
             } else if (!hasVideo && !strncasecmp("video/", mime, 6)) {
                 hasVideo = true;
+                videoMime = String8(mime);
 
                 CHECK(trackMeta->findInt32(kKeyWidth, &videoWidth));
                 CHECK(trackMeta->findInt32(kKeyHeight, &videoHeight));
@@ -637,6 +638,8 @@
         sprintf(tmp, "%d", rotationAngle);
         mMetaData.add(METADATA_KEY_VIDEO_ROTATION, String8(tmp));
 
+        mMetaData.add(METADATA_KEY_VIDEO_CODEC_MIME_TYPE, videoMime);
+
         if (videoFrameCount > 0) {
             sprintf(tmp, "%d", videoFrameCount);
             mMetaData.add(METADATA_KEY_VIDEO_FRAME_COUNT, String8(tmp));
diff --git a/media/libmediaplayerservice/StagefrightRecorder.cpp b/media/libmediaplayerservice/StagefrightRecorder.cpp
index 02ae456..3e7ee50 100644
--- a/media/libmediaplayerservice/StagefrightRecorder.cpp
+++ b/media/libmediaplayerservice/StagefrightRecorder.cpp
@@ -1318,7 +1318,7 @@
     if (mPrivacySensitive == PRIVACY_SENSITIVE_DEFAULT) {
         if (attr.source == AUDIO_SOURCE_VOICE_COMMUNICATION
                 || attr.source == AUDIO_SOURCE_CAMCORDER) {
-            attr.flags |= AUDIO_FLAG_CAPTURE_PRIVATE;
+            attr.flags = static_cast<audio_flags_mask_t>(attr.flags | AUDIO_FLAG_CAPTURE_PRIVATE);
             mPrivacySensitive = PRIVACY_SENSITIVE_ENABLED;
         } else {
             mPrivacySensitive = PRIVACY_SENSITIVE_DISABLED;
@@ -1334,7 +1334,7 @@
             return NULL;
         }
         if (mPrivacySensitive == PRIVACY_SENSITIVE_ENABLED) {
-            attr.flags |= AUDIO_FLAG_CAPTURE_PRIVATE;
+            attr.flags = static_cast<audio_flags_mask_t>(attr.flags | AUDIO_FLAG_CAPTURE_PRIVATE);
         }
     }
 
diff --git a/media/libmediaplayerservice/include/MediaPlayerInterface.h b/media/libmediaplayerservice/include/MediaPlayerInterface.h
index 1b5cb4b..8d94698 100644
--- a/media/libmediaplayerservice/include/MediaPlayerInterface.h
+++ b/media/libmediaplayerservice/include/MediaPlayerInterface.h
@@ -60,7 +60,7 @@
 #define DEFAULT_AUDIOSINK_SAMPLERATE 44100
 
 // when the channel mask isn't known, use the channel count to derive a mask in AudioSink::open()
-#define CHANNEL_MASK_USE_CHANNEL_ORDER 0
+#define CHANNEL_MASK_USE_CHANNEL_ORDER AUDIO_CHANNEL_NONE
 
 // duration below which we do not allow deep audio buffering
 #define AUDIO_SINK_MIN_DEEP_BUFFER_DURATION_US 5000000
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.cpp b/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.cpp
index c30f048..13e1933 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.cpp
@@ -1928,11 +1928,12 @@
     int32_t numChannels;
     CHECK(format->findInt32("channel-count", &numChannels));
 
-    int32_t channelMask;
-    if (!format->findInt32("channel-mask", &channelMask)) {
-        // signal to the AudioSink to derive the mask from count.
-        channelMask = CHANNEL_MASK_USE_CHANNEL_ORDER;
-    }
+    int32_t rawChannelMask;
+    audio_channel_mask_t channelMask =
+            format->findInt32("channel-mask", &rawChannelMask) ?
+                    static_cast<audio_channel_mask_t>(rawChannelMask)
+                    // signal to the AudioSink to derive the mask from count.
+                    : CHANNEL_MASK_USE_CHANNEL_ORDER;
 
     int32_t sampleRate;
     CHECK(format->findInt32("sample-rate", &sampleRate));
diff --git a/media/libmediatranscoding/TranscodingClientManager.cpp b/media/libmediatranscoding/TranscodingClientManager.cpp
index 3f79705..82a6dde 100644
--- a/media/libmediatranscoding/TranscodingClientManager.cpp
+++ b/media/libmediatranscoding/TranscodingClientManager.cpp
@@ -23,12 +23,16 @@
 #include <inttypes.h>
 #include <media/TranscodingClientManager.h>
 #include <media/TranscodingRequest.h>
+#include <media/TranscodingUidPolicy.h>
 #include <private/android_filesystem_config.h>
 #include <utils/Log.h>
+#include <utils/String16.h>
 namespace android {
 
 static_assert(sizeof(ClientIdType) == sizeof(void*), "ClientIdType should be pointer-sized");
 
+static constexpr const char* MEDIA_PROVIDER_PKG_NAME = "com.google.android.providers.media.module";
+
 using ::aidl::android::media::BnTranscodingClient;
 using ::aidl::android::media::IMediaTranscodingService;  // For service error codes
 using ::aidl::android::media::TranscodingJobParcel;
@@ -51,20 +55,6 @@
             errorCode,                                \
             String8::format("%s:%d: " errorString, __FUNCTION__, __LINE__, ##__VA_ARGS__))
 
-// Can MediaTranscoding service trust the caller based on the calling UID?
-// TODO(hkuang): Add MediaProvider's UID.
-static bool isTrustedCallingUid(uid_t uid) {
-    switch (uid) {
-    case AID_ROOT:  // root user
-    case AID_SYSTEM:
-    case AID_SHELL:
-    case AID_MEDIA:  // mediaserver
-        return true;
-    default:
-        return false;
-    }
-}
-
 /**
  * ClientImpl implements a single client and contains all its information.
  */
@@ -143,7 +133,7 @@
         in_clientUid = callingUid;
     } else if (in_clientUid < 0) {
         return Status::ok();
-    } else if (in_clientUid != callingUid && !isTrustedCallingUid(callingUid)) {
+    } else if (in_clientUid != callingUid && !owner->isTrustedCallingUid(callingUid)) {
         ALOGE("MediaTranscodingService::registerClient rejected (clientPid %d, clientUid %d) "
               "(don't trust callingUid %d)",
               in_clientPid, in_clientUid, callingUid);
@@ -160,7 +150,7 @@
         in_clientPid = callingPid;
     } else if (in_clientPid < 0) {
         return Status::ok();
-    } else if (in_clientPid != callingPid && !isTrustedCallingUid(callingUid)) {
+    } else if (in_clientPid != callingPid && !owner->isTrustedCallingUid(callingUid)) {
         ALOGE("MediaTranscodingService::registerClient rejected (clientPid %d, clientUid %d) "
               "(don't trust callingUid %d)",
               in_clientPid, in_clientUid, callingUid);
@@ -267,8 +257,18 @@
 
 TranscodingClientManager::TranscodingClientManager(
         const std::shared_ptr<SchedulerClientInterface>& scheduler)
-      : mDeathRecipient(AIBinder_DeathRecipient_new(BinderDiedCallback)), mJobScheduler(scheduler) {
+      : mDeathRecipient(AIBinder_DeathRecipient_new(BinderDiedCallback)),
+        mJobScheduler(scheduler),
+        mMediaProviderUid(-1) {
     ALOGD("TranscodingClientManager started");
+    uid_t mpuid;
+    if (TranscodingUidPolicy::getUidForPackage(String16(MEDIA_PROVIDER_PKG_NAME), mpuid) ==
+        NO_ERROR) {
+        ALOGI("Found MediaProvider uid: %d", mpuid);
+        mMediaProviderUid = mpuid;
+    } else {
+        ALOGW("Couldn't get uid for MediaProvider.");
+    }
 }
 
 TranscodingClientManager::~TranscodingClientManager() {
@@ -299,6 +299,22 @@
     write(fd, result.string(), result.size());
 }
 
+bool TranscodingClientManager::isTrustedCallingUid(uid_t uid) {
+    if (uid > 0 && uid == mMediaProviderUid) {
+        return true;
+    }
+
+    switch (uid) {
+    case AID_ROOT:  // root user
+    case AID_SYSTEM:
+    case AID_SHELL:
+    case AID_MEDIA:  // mediaserver
+        return true;
+    default:
+        return false;
+    }
+}
+
 status_t TranscodingClientManager::addClient(
         const std::shared_ptr<ITranscodingClientCallback>& callback, const std::string& clientName,
         const std::string& opPackageName, std::shared_ptr<ITranscodingClient>* outClient) {
diff --git a/media/libmediatranscoding/TranscodingUidPolicy.cpp b/media/libmediatranscoding/TranscodingUidPolicy.cpp
index f0d4945..9763921 100644
--- a/media/libmediatranscoding/TranscodingUidPolicy.cpp
+++ b/media/libmediatranscoding/TranscodingUidPolicy.cpp
@@ -24,7 +24,9 @@
 #include <android/content/pm/IPackageManagerNative.h>
 #include <binder/ActivityManager.h>
 #include <binder/IServiceManager.h>
+#include <binder/PermissionController.h>
 #include <cutils/misc.h>  // FIRST_APPLICATION_UID
+#include <cutils/multiuser.h>
 #include <inttypes.h>
 #include <media/TranscodingUidPolicy.h>
 #include <utils/Log.h>
@@ -133,6 +135,19 @@
     return true;
 }
 
+//static
+status_t TranscodingUidPolicy::getUidForPackage(String16 packageName, /*inout*/ uid_t& uid) {
+    PermissionController pc;
+    uid = pc.getPackageUid(packageName, 0);
+    if (uid <= 0) {
+        ALOGE("Unknown package: '%s'", String8(packageName).string());
+        return BAD_VALUE;
+    }
+
+    uid = multiuser_get_uid(0 /*userId*/, uid);
+    return NO_ERROR;
+}
+
 TranscodingUidPolicy::TranscodingUidPolicy()
       : mAm(std::make_shared<ActivityManager>()),
         mUidObserver(new UidObserver(this)),
diff --git a/media/libmediatranscoding/include/media/TranscodingClientManager.h b/media/libmediatranscoding/include/media/TranscodingClientManager.h
index 015a83a..be03bc4 100644
--- a/media/libmediatranscoding/include/media/TranscodingClientManager.h
+++ b/media/libmediatranscoding/include/media/TranscodingClientManager.h
@@ -86,6 +86,9 @@
     // Only allow MediaTranscodingService and unit tests to instantiate.
     TranscodingClientManager(const std::shared_ptr<SchedulerClientInterface>& scheduler);
 
+    // Checks if a user is trusted (and allowed to submit jobs on behalf of other uids)
+    bool isTrustedCallingUid(uid_t uid);
+
     /**
      * Removes an existing client from the manager.
      *
@@ -106,6 +109,7 @@
     ::ndk::ScopedAIBinder_DeathRecipient mDeathRecipient;
 
     std::shared_ptr<SchedulerClientInterface> mJobScheduler;
+    uid_t mMediaProviderUid;
 
     static std::atomic<ClientIdType> sCookieCounter;
     static std::mutex sCookie2ClientLock;
diff --git a/media/libmediatranscoding/include/media/TranscodingUidPolicy.h b/media/libmediatranscoding/include/media/TranscodingUidPolicy.h
index 42052cb..f02b591 100644
--- a/media/libmediatranscoding/include/media/TranscodingUidPolicy.h
+++ b/media/libmediatranscoding/include/media/TranscodingUidPolicy.h
@@ -50,6 +50,7 @@
     // ~UidPolicyInterface
 
     static bool getNamesForUids(const std::vector<int32_t>& uids, std::vector<std::string>* names);
+    static status_t getUidForPackage(String16 packageName, /*inout*/ uid_t& uid);
 
 private:
     void onUidStateChanged(uid_t uid, int32_t procState);
diff --git a/media/libmediatranscoding/transcoder/benchmark/MediaTrackTranscoderBenchmark.cpp b/media/libmediatranscoding/transcoder/benchmark/MediaTrackTranscoderBenchmark.cpp
index e15186c..94bdcb3 100644
--- a/media/libmediatranscoding/transcoder/benchmark/MediaTrackTranscoderBenchmark.cpp
+++ b/media/libmediatranscoding/transcoder/benchmark/MediaTrackTranscoderBenchmark.cpp
@@ -216,7 +216,8 @@
 };
 
 static std::shared_ptr<AMediaFormat> GetDefaultTrackFormat(MediaType mediaType,
-                                                           AMediaFormat* sourceFormat) {
+                                                           AMediaFormat* sourceFormat,
+                                                           bool maxOperatingRate) {
     // Default video config.
     static constexpr int32_t kVideoBitRate = 20 * 1000 * 1000;  // 20 mbps
     static constexpr float kVideoFrameRate = 30.0f;             // 30 fps
@@ -229,6 +230,11 @@
         AMediaFormat_setString(format, AMEDIAFORMAT_KEY_MIME, AMEDIA_MIMETYPE_VIDEO_AVC);
         AMediaFormat_setInt32(format, AMEDIAFORMAT_KEY_BIT_RATE, kVideoBitRate);
         AMediaFormat_setFloat(format, AMEDIAFORMAT_KEY_FRAME_RATE, kVideoFrameRate);
+
+        if (maxOperatingRate) {
+            AMediaFormat_setFloat(format, AMEDIAFORMAT_KEY_OPERATING_RATE, INT32_MAX);
+            AMediaFormat_setInt32(format, AMEDIAFORMAT_KEY_PRIORITY, 1);
+        }
     }
     // nothing for audio.
 
@@ -282,7 +288,7 @@
  */
 static bool ConfigureSampleReader(const std::shared_ptr<MediaTrackTranscoder>& transcoder,
                                   const std::shared_ptr<MediaSampleReader>& sampleReader,
-                                  MediaType mediaType) {
+                                  MediaType mediaType, bool maxOperatingRate) {
     int srcTrackIndex = -1;
     std::shared_ptr<AMediaFormat> srcTrackFormat = nullptr;
 
@@ -312,7 +318,8 @@
         return false;
     }
 
-    auto destinationFormat = GetDefaultTrackFormat(mediaType, srcTrackFormat.get());
+    auto destinationFormat =
+            GetDefaultTrackFormat(mediaType, srcTrackFormat.get(), maxOperatingRate);
     status = transcoder->configure(sampleReader, srcTrackIndex, destinationFormat);
     if (status != AMEDIA_OK) {
         LOG(ERROR) << "transcoder configure returned " << status;
@@ -323,7 +330,7 @@
 }
 
 static void BenchmarkTranscoder(benchmark::State& state, const std::string& srcFileName,
-                                bool mockReader, MediaType mediaType) {
+                                bool mockReader, MediaType mediaType, bool maxOperatingRate) {
     for (auto _ : state) {
         std::shared_ptr<TrackTranscoderCallbacks> callbacks =
                 std::make_shared<TrackTranscoderCallbacks>();
@@ -341,7 +348,7 @@
             return;
         }
 
-        if (!ConfigureSampleReader(transcoder, sampleReader, mediaType)) {
+        if (!ConfigureSampleReader(transcoder, sampleReader, mediaType, maxOperatingRate)) {
             state.SkipWithError("Unable to configure the transcoder");
             return;
         }
@@ -367,33 +374,72 @@
     }
 }
 
-// Benchmark registration wrapper for transcoding.
-#define TRANSCODER_BENCHMARK(func) \
-    BENCHMARK(func)->UseRealTime()->MeasureProcessCPUTime()->Unit(benchmark::kMillisecond)
+//-------------------------------- AVC to AVC Benchmarks -------------------------------------------
 
 static void BM_VideoTranscode_AVC2AVC_NoMuxer(benchmark::State& state) {
     const char* srcFile = "video_1920x1080_3648frame_h264_22Mbps_30fps_aac.mp4";
-    BenchmarkTranscoder(state, srcFile, false /* mockReader */, kVideo);
+    BenchmarkTranscoder(state, srcFile, false /* mockReader */, kVideo,
+                        false /* maxOperatingRate */);
 }
 
 static void BM_VideoTranscode_AVC2AVC_NoMuxer_NoExtractor(benchmark::State& state) {
     const char* srcFile = "video_1920x1080_3648frame_h264_22Mbps_30fps_aac.mp4";
-    BenchmarkTranscoder(state, srcFile, true /* mockReader */, kVideo);
+    BenchmarkTranscoder(state, srcFile, true /* mockReader */, kVideo,
+                        false /* maxOperatingRate */);
 }
 
+static void BM_VideoTranscode_AVC2AVC_NoMuxer_MaxOperatingRate(benchmark::State& state) {
+    const char* srcFile = "video_1920x1080_3648frame_h264_22Mbps_30fps_aac.mp4";
+    BenchmarkTranscoder(state, srcFile, false /* mockReader */, kVideo,
+                        true /* maxOperatingRate */);
+}
+
+static void BM_VideoTranscode_AVC2AVC_NoMuxer_NoExtractor_MaxOperatingRate(
+        benchmark::State& state) {
+    const char* srcFile = "video_1920x1080_3648frame_h264_22Mbps_30fps_aac.mp4";
+    BenchmarkTranscoder(state, srcFile, true /* mockReader */, kVideo, true /* maxOperatingRate */);
+}
+
+//-------------------------------- HEVC to AVC Benchmarks ------------------------------------------
+
 static void BM_VideoTranscode_HEVC2AVC_NoMuxer(benchmark::State& state) {
     const char* srcFile = "video_1920x1080_3863frame_hevc_4Mbps_30fps_aac.mp4";
-    BenchmarkTranscoder(state, srcFile, false /* mockReader */, kVideo);
+    BenchmarkTranscoder(state, srcFile, false /* mockReader */, kVideo,
+                        false /* maxOperatingRate */);
 }
 
 static void BM_VideoTranscode_HEVC2AVC_NoMuxer_NoExtractor(benchmark::State& state) {
     const char* srcFile = "video_1920x1080_3863frame_hevc_4Mbps_30fps_aac.mp4";
-    BenchmarkTranscoder(state, srcFile, true /* mockReader */, kVideo);
+    BenchmarkTranscoder(state, srcFile, true /* mockReader */, kVideo,
+                        false /* maxOperatingRate */);
 }
 
+static void BM_VideoTranscode_HEVC2AVC_NoMuxer_MaxOperatingRate(benchmark::State& state) {
+    const char* srcFile = "video_1920x1080_3863frame_hevc_4Mbps_30fps_aac.mp4";
+    BenchmarkTranscoder(state, srcFile, false /* mockReader */, kVideo,
+                        true /* maxOperatingRate */);
+}
+
+static void BM_VideoTranscode_HEVC2AVC_NoMuxer_NoExtractor_MaxOperatingRate(
+        benchmark::State& state) {
+    const char* srcFile = "video_1920x1080_3863frame_hevc_4Mbps_30fps_aac.mp4";
+    BenchmarkTranscoder(state, srcFile, true /* mockReader */, kVideo, true /* maxOperatingRate */);
+}
+
+//-------------------------------- Benchmark Registration ------------------------------------------
+
+// Benchmark registration wrapper for transcoding.
+#define TRANSCODER_BENCHMARK(func) \
+    BENCHMARK(func)->UseRealTime()->MeasureProcessCPUTime()->Unit(benchmark::kMillisecond)
+
 TRANSCODER_BENCHMARK(BM_VideoTranscode_AVC2AVC_NoMuxer);
 TRANSCODER_BENCHMARK(BM_VideoTranscode_AVC2AVC_NoMuxer_NoExtractor);
+TRANSCODER_BENCHMARK(BM_VideoTranscode_AVC2AVC_NoMuxer_MaxOperatingRate);
+TRANSCODER_BENCHMARK(BM_VideoTranscode_AVC2AVC_NoMuxer_NoExtractor_MaxOperatingRate);
+
 TRANSCODER_BENCHMARK(BM_VideoTranscode_HEVC2AVC_NoMuxer);
 TRANSCODER_BENCHMARK(BM_VideoTranscode_HEVC2AVC_NoMuxer_NoExtractor);
+TRANSCODER_BENCHMARK(BM_VideoTranscode_HEVC2AVC_NoMuxer_MaxOperatingRate);
+TRANSCODER_BENCHMARK(BM_VideoTranscode_HEVC2AVC_NoMuxer_NoExtractor_MaxOperatingRate);
 
 BENCHMARK_MAIN();
diff --git a/media/libmediatranscoding/transcoder/benchmark/MediaTranscoderBenchmark.cpp b/media/libmediatranscoding/transcoder/benchmark/MediaTranscoderBenchmark.cpp
index f190453..f985a28 100644
--- a/media/libmediatranscoding/transcoder/benchmark/MediaTranscoderBenchmark.cpp
+++ b/media/libmediatranscoding/transcoder/benchmark/MediaTranscoderBenchmark.cpp
@@ -191,14 +191,24 @@
     if (dstFd > 0) close(dstFd);
 }
 
+/**
+ * Callback to edit track format for transcoding.
+ * @param dstFormat The default track format for the track type.
+ */
+using TrackFormatEditCallback = std::function<void(AMediaFormat* dstFormat)>;
+
 static void TranscodeMediaFile(benchmark::State& state, const std::string& srcFileName,
                                const std::string& dstFileName, bool includeAudio,
-                               bool transcodeVideo) {
+                               bool transcodeVideo,
+                               const TrackFormatEditCallback& videoFormatEditor = nullptr) {
     TranscodeMediaFile(state, srcFileName, dstFileName,
                        [=](const char* mime, AMediaFormat** dstFormatOut) -> bool {
                            *dstFormatOut = nullptr;
                            if (strncmp(mime, "video/", 6) == 0 && transcodeVideo) {
                                *dstFormatOut = CreateDefaultVideoFormat();
+                               if (videoFormatEditor != nullptr) {
+                                   videoFormatEditor(*dstFormatOut);
+                               }
                            } else if (strncmp(mime, "audio/", 6) == 0 && !includeAudio) {
                                return false;
                            }
@@ -206,9 +216,12 @@
                        });
 }
 
-// Benchmark registration wrapper for transcoding.
-#define TRANSCODER_BENCHMARK(func) \
-    BENCHMARK(func)->UseRealTime()->MeasureProcessCPUTime()->Unit(benchmark::kMillisecond)
+static void SetMaxOperatingRate(AMediaFormat* format) {
+    AMediaFormat_setFloat(format, AMEDIAFORMAT_KEY_OPERATING_RATE, INT32_MAX);
+    AMediaFormat_setInt32(format, AMEDIAFORMAT_KEY_PRIORITY, 1);
+}
+
+//-------------------------------- AVC to AVC Benchmarks -------------------------------------------
 
 static void BM_TranscodeAvc2AvcAudioVideo2AudioVideo(benchmark::State& state) {
     TranscodeMediaFile(state, "video_1920x1080_3648frame_h264_22Mbps_30fps_aac.mp4",
@@ -216,12 +229,6 @@
                        true /* includeAudio */, true /* transcodeVideo */);
 }
 
-static void BM_TranscodeAvc2AvcAudioVideo2Video(benchmark::State& state) {
-    TranscodeMediaFile(state, "video_1920x1080_3648frame_h264_22Mbps_30fps_aac.mp4",
-                       "video_1920x1080_3648frame_h264_22Mbps_30fps_aac_transcoded_V.mp4",
-                       false /* includeAudio */, true /* transcodeVideo */);
-}
-
 static void BM_TranscodeAvc2AvcVideo2Video(benchmark::State& state) {
     TranscodeMediaFile(state, "video_1920x1080_3648frame_h264_22Mbps_30fps.mp4",
                        "video_1920x1080_3648frame_h264_22Mbps_30fps_transcoded_V.mp4",
@@ -231,35 +238,43 @@
 static void BM_TranscodeAvc2AvcAV2AVMaxOperatingRate(benchmark::State& state) {
     TranscodeMediaFile(state, "video_1920x1080_3648frame_h264_22Mbps_30fps_aac.mp4",
                        "video_1920x1080_3648frame_h264_22Mbps_30fps_aac_transcoded_AV.mp4",
-                       [](const char* mime, AMediaFormat** dstFormatOut) -> bool {
-                           AMediaFormat* dstFormat = nullptr;
-                           if (strncmp(mime, "video/", 6) == 0) {
-                               dstFormat = CreateDefaultVideoFormat();
-                               AMediaFormat_setFloat(dstFormat, AMEDIAFORMAT_KEY_OPERATING_RATE,
-                                                     INT32_MAX);
-                               AMediaFormat_setInt32(dstFormat, AMEDIAFORMAT_KEY_PRIORITY, 1);
-                           }
-                           *dstFormatOut = dstFormat;
-                           return true;
-                       });
+                       true /* includeAudio */, true /* transcodeVideo */, SetMaxOperatingRate);
 }
 
 static void BM_TranscodeAvc2AvcV2VMaxOperatingRate(benchmark::State& state) {
     TranscodeMediaFile(state, "video_1920x1080_3648frame_h264_22Mbps_30fps.mp4",
                        "video_1920x1080_3648frame_h264_22Mbps_30fps_transcoded_V.mp4",
-                       [](const char* mime, AMediaFormat** dstFormatOut) -> bool {
-                           if (strncmp(mime, "video/", 6) == 0) {
-                               AMediaFormat* dstFormat = CreateDefaultVideoFormat();
-                               AMediaFormat_setFloat(dstFormat, AMEDIAFORMAT_KEY_OPERATING_RATE,
-                                                     INT32_MAX);
-                               AMediaFormat_setInt32(dstFormat, AMEDIAFORMAT_KEY_PRIORITY, 1);
-                               *dstFormatOut = dstFormat;
-                               return true;
-                           }
-                           return false;
-                       });
+                       false /* includeAudio */, true /* transcodeVideo */, SetMaxOperatingRate);
 }
 
+//-------------------------------- HEVC to AVC Benchmarks ------------------------------------------
+
+static void BM_TranscodeHevc2AvcAudioVideo2AudioVideo(benchmark::State& state) {
+    TranscodeMediaFile(state, "video_1920x1080_3863frame_hevc_4Mbps_30fps_aac.mp4",
+                       "video_1920x1080_3863frame_hevc_4Mbps_30fps_aac_transcoded_AV.mp4",
+                       true /* includeAudio */, true /* transcodeVideo */);
+}
+
+static void BM_TranscodeHevc2AvcVideo2Video(benchmark::State& state) {
+    TranscodeMediaFile(state, "video_1920x1080_3863frame_hevc_4Mbps_30fps.mp4",
+                       "video_1920x1080_3863frame_hevc_4Mbps_30fps_transcoded_V.mp4",
+                       false /* includeAudio */, true /* transcodeVideo */);
+}
+
+static void BM_TranscodeHevc2AvcAV2AVMaxOperatingRate(benchmark::State& state) {
+    TranscodeMediaFile(state, "video_1920x1080_3863frame_hevc_4Mbps_30fps_aac.mp4",
+                       "video_1920x1080_3863frame_hevc_4Mbps_30fps_aac_transcoded_AV.mp4",
+                       true /* includeAudio */, true /* transcodeVideo */, SetMaxOperatingRate);
+}
+
+static void BM_TranscodeHevc2AvcV2VMaxOperatingRate(benchmark::State& state) {
+    TranscodeMediaFile(state, "video_1920x1080_3863frame_hevc_4Mbps_30fps.mp4",
+                       "video_1920x1080_3863frame_hevc_4Mbps_30fps_transcoded_V.mp4",
+                       false /* includeAudio */, true /* transcodeVideo */, SetMaxOperatingRate);
+}
+
+//-------------------------------- Passthrough Benchmarks ------------------------------------------
+
 static void BM_TranscodeAudioVideoPassthrough(benchmark::State& state) {
     TranscodeMediaFile(state, "video_1920x1080_3648frame_h264_22Mbps_30fps_aac.mp4",
                        "video_1920x1080_3648frame_h264_22Mbps_30fps_aac_passthrough_AV.mp4",
@@ -271,11 +286,22 @@
                        false /* includeAudio */, false /* transcodeVideo */);
 }
 
+//-------------------------------- Benchmark Registration ------------------------------------------
+
+// Benchmark registration wrapper for transcoding.
+#define TRANSCODER_BENCHMARK(func) \
+    BENCHMARK(func)->UseRealTime()->MeasureProcessCPUTime()->Unit(benchmark::kMillisecond)
+
 TRANSCODER_BENCHMARK(BM_TranscodeAvc2AvcAudioVideo2AudioVideo);
-TRANSCODER_BENCHMARK(BM_TranscodeAvc2AvcAudioVideo2Video);
 TRANSCODER_BENCHMARK(BM_TranscodeAvc2AvcVideo2Video);
 TRANSCODER_BENCHMARK(BM_TranscodeAvc2AvcAV2AVMaxOperatingRate);
 TRANSCODER_BENCHMARK(BM_TranscodeAvc2AvcV2VMaxOperatingRate);
+
+TRANSCODER_BENCHMARK(BM_TranscodeHevc2AvcAudioVideo2AudioVideo);
+TRANSCODER_BENCHMARK(BM_TranscodeHevc2AvcVideo2Video);
+TRANSCODER_BENCHMARK(BM_TranscodeHevc2AvcAV2AVMaxOperatingRate);
+TRANSCODER_BENCHMARK(BM_TranscodeHevc2AvcV2VMaxOperatingRate);
+
 TRANSCODER_BENCHMARK(BM_TranscodeAudioVideoPassthrough);
 TRANSCODER_BENCHMARK(BM_TranscodeVideoPassthrough);
 
diff --git a/media/libstagefright/ACodec.cpp b/media/libstagefright/ACodec.cpp
index 8fd9dfc..b9f9173 100644
--- a/media/libstagefright/ACodec.cpp
+++ b/media/libstagefright/ACodec.cpp
@@ -8311,17 +8311,38 @@
             FALLTHROUGH_INTENDED;
         }
         case kWhatResume:
-        case kWhatSetParameters:
         {
-            if (msg->what() == kWhatResume) {
-                ALOGV("[%s] Deferring resume", mCodec->mComponentName.c_str());
-            }
+            ALOGV("[%s] Deferring resume", mCodec->mComponentName.c_str());
 
             mCodec->deferMessage(msg);
             handled = true;
             break;
         }
 
+        case kWhatSetParameters:
+        {
+            sp<AMessage> params;
+            CHECK(msg->findMessage("params", &params));
+
+            sp<ABuffer> hdr10PlusInfo;
+            if (params->findBuffer("hdr10-plus-info", &hdr10PlusInfo)) {
+                if (hdr10PlusInfo != nullptr && hdr10PlusInfo->size() > 0) {
+                    (void)mCodec->setHdr10PlusInfo(hdr10PlusInfo);
+                }
+                params->removeEntryAt(params->findEntryByName("hdr10-plus-info"));
+
+                if (params->countEntries() == 0) {
+                    msg->removeEntryAt(msg->findEntryByName("params"));
+                }
+            }
+
+            if (msg->countEntries() > 0) {
+                mCodec->deferMessage(msg);
+            }
+            handled = true;
+            break;
+        }
+
         case kWhatForceStateTransition:
         {
             int32_t generation = 0;
@@ -8432,6 +8453,15 @@
             return false;
         }
 
+        case OMX_EventConfigUpdate:
+        {
+            CHECK_EQ(data1, (OMX_U32)kPortIndexOutput);
+
+            mCodec->onConfigUpdate((OMX_INDEXTYPE)data2);
+
+            return true;
+        }
+
         default:
             return BaseState::onOMXEvent(event, data1, data2);
     }
diff --git a/media/libstagefright/MediaCodec.cpp b/media/libstagefright/MediaCodec.cpp
index 19eb46f..1a4f3d3 100644
--- a/media/libstagefright/MediaCodec.cpp
+++ b/media/libstagefright/MediaCodec.cpp
@@ -318,7 +318,7 @@
 
 class MediaCodec::ReleaseSurface {
 public:
-    ReleaseSurface() {
+    explicit ReleaseSurface(uint64_t usage) {
         BufferQueue::createBufferQueue(&mProducer, &mConsumer);
         mSurface = new Surface(mProducer, false /* controlledByApp */);
         struct ConsumerListener : public BnConsumerListener {
@@ -329,6 +329,7 @@
         sp<ConsumerListener> listener{new ConsumerListener};
         mConsumer->consumerConnect(listener, false);
         mConsumer->setConsumerName(String8{"MediaCodec.release"});
+        mConsumer->setConsumerUsageBits(usage);
     }
 
     const sp<Surface> &getSurface() {
@@ -2137,6 +2138,8 @@
                     }
 
                     bool sendErrorResponse = true;
+                    std::string origin{"kWhatError:"};
+                    origin += stateString(mState);
 
                     switch (mState) {
                         case INITIALIZING:
@@ -2188,14 +2191,14 @@
                                 // be a shutdown complete notification after
                                 // all.
 
-                                // note that we're directly going from
+                                // note that we may be directly going from
                                 // STOPPING->UNINITIALIZED, instead of the
                                 // usual STOPPING->INITIALIZED state.
                                 setState(UNINITIALIZED);
                                 if (mState == RELEASING) {
                                     mComponentName.clear();
                                 }
-                                postPendingRepliesAndDeferredMessages();
+                                postPendingRepliesAndDeferredMessages(origin + ":dead");
                                 sendErrorResponse = false;
                             }
                             break;
@@ -2286,7 +2289,7 @@
                             // released by ResourceManager.
                             finalErr = DEAD_OBJECT;
                         }
-                        postPendingRepliesAndDeferredMessages(finalErr);
+                        postPendingRepliesAndDeferredMessages(origin, finalErr);
                     }
                     break;
                 }
@@ -2334,7 +2337,7 @@
                                 MediaResource::CodecResource(mFlags & kFlagIsSecure, mIsVideo));
                     }
 
-                    postPendingRepliesAndDeferredMessages();
+                    postPendingRepliesAndDeferredMessages("kWhatComponentAllocated");
                     break;
                 }
 
@@ -2373,7 +2376,7 @@
                         mFlags |= kFlagUsesSoftwareRenderer;
                     }
                     setState(CONFIGURED);
-                    postPendingRepliesAndDeferredMessages();
+                    postPendingRepliesAndDeferredMessages("kWhatComponentConfigured");
 
                     // augment our media metrics info, now that we know more things
                     // such as what the codec extracted from any CSD passed in.
@@ -2442,7 +2445,7 @@
                     } else {
                         response->setInt32("err", err);
                     }
-                    postPendingRepliesAndDeferredMessages(response);
+                    postPendingRepliesAndDeferredMessages("kWhatInputSurfaceCreated", response);
                     break;
                 }
 
@@ -2464,7 +2467,7 @@
                     } else {
                         response->setInt32("err", err);
                     }
-                    postPendingRepliesAndDeferredMessages(response);
+                    postPendingRepliesAndDeferredMessages("kWhatInputSurfaceAccepted", response);
                     break;
                 }
 
@@ -2482,7 +2485,7 @@
                     if (msg->findInt32("err", &err)) {
                         response->setInt32("err", err);
                     }
-                    postPendingRepliesAndDeferredMessages(response);
+                    postPendingRepliesAndDeferredMessages("kWhatSignaledInputEOS", response);
                     break;
                 }
 
@@ -2502,7 +2505,7 @@
                                 MediaResource::GraphicMemoryResource(getGraphicBufferSize()));
                     }
                     setState(STARTED);
-                    postPendingRepliesAndDeferredMessages();
+                    postPendingRepliesAndDeferredMessages("kWhatStartCompleted");
                     break;
                 }
 
@@ -2639,7 +2642,13 @@
                         break;
                     }
                     setState(INITIALIZED);
-                    postPendingRepliesAndDeferredMessages();
+                    if (mReplyID) {
+                        postPendingRepliesAndDeferredMessages("kWhatStopCompleted");
+                    } else {
+                        ALOGW("kWhatStopCompleted: presumably an error occurred earlier, "
+                              "but the operation completed anyway. (last reply origin=%s)",
+                              mLastReplyOrigin.c_str());
+                    }
                     break;
                 }
 
@@ -2664,7 +2673,7 @@
                     mReleaseSurface.reset();
 
                     if (mReplyID != nullptr) {
-                        postPendingRepliesAndDeferredMessages();
+                        postPendingRepliesAndDeferredMessages("kWhatReleaseCompleted");
                     }
                     if (mAsyncReleaseCompleteNotification != nullptr) {
                         flushMediametrics();
@@ -2689,7 +2698,7 @@
                         mCodec->signalResume();
                     }
 
-                    postPendingRepliesAndDeferredMessages();
+                    postPendingRepliesAndDeferredMessages("kWhatFlushCompleted");
                     break;
                 }
 
@@ -3080,7 +3089,8 @@
             if (mState == FLUSHING || mState == STOPPING
                     || mState == CONFIGURING || mState == STARTING) {
                 // mReply is always set if in these states.
-                postPendingRepliesAndDeferredMessages();
+                postPendingRepliesAndDeferredMessages(
+                        std::string("kWhatRelease:") + stateString(mState));
             }
 
             if (mFlags & kFlagSawMediaServerDie) {
@@ -3108,7 +3118,11 @@
             if (asyncNotify != nullptr) {
                 if (mSurface != NULL) {
                     if (!mReleaseSurface) {
-                        mReleaseSurface.reset(new ReleaseSurface);
+                        uint64_t usage = 0;
+                        if (mSurface->getConsumerUsage(&usage) != OK) {
+                            usage = 0;
+                        }
+                        mReleaseSurface.reset(new ReleaseSurface(usage));
                     }
                     if (mSurface != mReleaseSurface->getSurface()) {
                         status_t err = connectToSurface(mReleaseSurface->getSurface());
@@ -3129,7 +3143,7 @@
                 // State transition replies are handled above, so this reply
                 // would not be related to state transition. As we are
                 // shutting down the component, just fail the operation.
-                postPendingRepliesAndDeferredMessages(UNKNOWN_ERROR);
+                postPendingRepliesAndDeferredMessages("kWhatRelease:reply", UNKNOWN_ERROR);
             }
             mReplyID = replyID;
             setState(msg->what() == kWhatStop ? STOPPING : RELEASING);
@@ -3145,7 +3159,7 @@
 
             if (asyncNotify != nullptr) {
                 mResourceManagerProxy->markClientForPendingRemoval();
-                postPendingRepliesAndDeferredMessages();
+                postPendingRepliesAndDeferredMessages("kWhatRelease:async");
                 asyncNotifyPost.clear();
                 mAsyncReleaseCompleteNotification = asyncNotify;
             }
@@ -4332,16 +4346,23 @@
     return OK;
 }
 
-void MediaCodec::postPendingRepliesAndDeferredMessages(status_t err /* = OK */) {
+void MediaCodec::postPendingRepliesAndDeferredMessages(
+        std::string origin, status_t err /* = OK */) {
     sp<AMessage> response{new AMessage};
     if (err != OK) {
         response->setInt32("err", err);
     }
-    postPendingRepliesAndDeferredMessages(response);
+    postPendingRepliesAndDeferredMessages(origin, response);
 }
 
-void MediaCodec::postPendingRepliesAndDeferredMessages(const sp<AMessage> &response) {
-    CHECK(mReplyID);
+void MediaCodec::postPendingRepliesAndDeferredMessages(
+        std::string origin, const sp<AMessage> &response) {
+    LOG_ALWAYS_FATAL_IF(
+            !mReplyID,
+            "postPendingRepliesAndDeferredMessages: mReplyID == null, from %s following %s",
+            origin.c_str(),
+            mLastReplyOrigin.c_str());
+    mLastReplyOrigin = origin;
     response->postReply(mReplyID);
     mReplyID.clear();
     ALOGV_IF(!mDeferredMessages.empty(),
diff --git a/media/libstagefright/Utils.cpp b/media/libstagefright/Utils.cpp
index 6446857..3d152bc 100644
--- a/media/libstagefright/Utils.cpp
+++ b/media/libstagefright/Utils.cpp
@@ -2143,8 +2143,10 @@
     }
     info->sample_rate = srate;
 
-    int32_t cmask = 0;
-    if (!meta->findInt32(kKeyChannelMask, &cmask) || cmask == CHANNEL_MASK_USE_CHANNEL_ORDER) {
+    int32_t rawChannelMask;
+    audio_channel_mask_t cmask = meta->findInt32(kKeyChannelMask, &rawChannelMask) ?
+            static_cast<audio_channel_mask_t>(rawChannelMask) : CHANNEL_MASK_USE_CHANNEL_ORDER;
+    if (cmask == CHANNEL_MASK_USE_CHANNEL_ORDER) {
         ALOGV("track of type '%s' does not publish channel mask", mime);
 
         // Try a channel count instead
diff --git a/media/libstagefright/codecs/amrwb/src/wb_syn_filt.cpp b/media/libstagefright/codecs/amrwb/src/wb_syn_filt.cpp
index e1af6d4..d960322 100644
--- a/media/libstagefright/codecs/amrwb/src/wb_syn_filt.cpp
+++ b/media/libstagefright/codecs/amrwb/src/wb_syn_filt.cpp
@@ -273,9 +273,10 @@
 
         L_tmp1 >>= 11;      /* -4 : sig_lo[i] << 4 */
 
-        L_tmp1 += (int32)exc[(i<<1)] << a0;
+        int64 sig_tmp;
+        sig_tmp = (int64)L_tmp1 + (int32)(exc[(i<<1)] << a0);
+        L_tmp1 = (int32)(sig_tmp - (L_tmp2 << 1));
 
-        L_tmp1 -= (L_tmp2 << 1);
         /* sig_hi = bit16 to bit31 of synthesis */
         L_tmp1 = shl_int32(L_tmp1, 3);           /* ai in Q12 */
 
@@ -290,9 +291,8 @@
         L_tmp3 = fxp_mac_16by16(sig_lo[(i<<1)], a[1], L_tmp3);
         L_tmp3 = -L_tmp3 >> 11;
 
-        L_tmp3 += (int32)exc[(i<<1)+1] << a0;
-
-        L_tmp3 -= (L_tmp4 << 1);
+        sig_tmp = (int64)L_tmp3 + (int32)(exc[(i<<1)+1] << a0);
+        L_tmp3 = (int32)(sig_tmp - (L_tmp4 << 1));
         /* sig_hi = bit16 to bit31 of synthesis */
         L_tmp3 = shl_int32(L_tmp3, 3);           /* ai in Q12 */
         sig_hi[(i<<1)+1] = (int16)(L_tmp3 >> 16);
diff --git a/media/libstagefright/id3/ID3.cpp b/media/libstagefright/id3/ID3.cpp
index e97f6eb..5509512 100644
--- a/media/libstagefright/id3/ID3.cpp
+++ b/media/libstagefright/id3/ID3.cpp
@@ -813,10 +813,6 @@
                 baseSize = U32_AT(&mParent.mData[mOffset + 4]);
             }
 
-            if (baseSize == 0) {
-                return;
-            }
-
             // Prevent integer overflow when adding
             if (SIZE_MAX - 10 <= baseSize) {
                 return;
diff --git a/media/libstagefright/include/media/stagefright/MediaCodec.h b/media/libstagefright/include/media/stagefright/MediaCodec.h
index ec853e9..c246b36 100644
--- a/media/libstagefright/include/media/stagefright/MediaCodec.h
+++ b/media/libstagefright/include/media/stagefright/MediaCodec.h
@@ -373,6 +373,7 @@
     AString mOwnerName;
     sp<MediaCodecInfo> mCodecInfo;
     sp<AReplyToken> mReplyID;
+    std::string mLastReplyOrigin;
     std::vector<sp<AMessage>> mDeferredMessages;
     uint32_t mFlags;
     status_t mStickyError;
@@ -498,8 +499,8 @@
     bool hasPendingBuffer(int portIndex);
     bool hasPendingBuffer();
 
-    void postPendingRepliesAndDeferredMessages(status_t err = OK);
-    void postPendingRepliesAndDeferredMessages(const sp<AMessage> &response);
+    void postPendingRepliesAndDeferredMessages(std::string origin, status_t err = OK);
+    void postPendingRepliesAndDeferredMessages(std::string origin, const sp<AMessage> &response);
 
     /* called to get the last codec error when the sticky flag is set.
      * if no such codec error is found, returns UNKNOWN_ERROR.
diff --git a/media/libstagefright/tests/mediacodec/Android.bp b/media/libstagefright/tests/mediacodec/Android.bp
index 006864e..0bd0639 100644
--- a/media/libstagefright/tests/mediacodec/Android.bp
+++ b/media/libstagefright/tests/mediacodec/Android.bp
@@ -23,7 +23,12 @@
         "MediaTestHelper.cpp",
     ],
 
+    header_libs: [
+        "libmediadrm_headers",
+    ],
+
     shared_libs: [
+        "libgui",
         "libmedia",
         "libmedia_codeclist",
         "libmediametrics",
diff --git a/media/libstagefright/tests/mediacodec/MediaCodecTest.cpp b/media/libstagefright/tests/mediacodec/MediaCodecTest.cpp
index baa86c1..d00a50f 100644
--- a/media/libstagefright/tests/mediacodec/MediaCodecTest.cpp
+++ b/media/libstagefright/tests/mediacodec/MediaCodecTest.cpp
@@ -20,6 +20,8 @@
 #include <gmock/gmock.h>
 #include <gtest/gtest.h>
 
+#include <gui/Surface.h>
+#include <mediadrm/ICrypto.h>
 #include <media/stagefright/CodecBase.h>
 #include <media/stagefright/MediaCodec.h>
 #include <media/stagefright/MediaCodecListWriter.h>
@@ -152,6 +154,37 @@
 using namespace android;
 using ::testing::_;
 
+static sp<MediaCodec> SetupMediaCodec(
+        const AString &owner,
+        const AString &codecName,
+        const AString &mediaType,
+        const sp<ALooper> &looper,
+        std::function<sp<CodecBase>(const AString &name, const char *owner)> getCodecBase) {
+    std::shared_ptr<MediaCodecListWriter> listWriter =
+        MediaTestHelper::CreateCodecListWriter();
+    std::unique_ptr<MediaCodecInfoWriter> infoWriter = listWriter->addMediaCodecInfo();
+    infoWriter->setName(codecName.c_str());
+    infoWriter->setOwner(owner.c_str());
+    infoWriter->addMediaType(mediaType.c_str());
+    std::vector<sp<MediaCodecInfo>> codecInfos;
+    MediaTestHelper::WriteCodecInfos(listWriter, &codecInfos);
+    std::function<status_t(const AString &, sp<MediaCodecInfo> *)> getCodecInfo =
+        [codecInfos](const AString &name, sp<MediaCodecInfo> *info) -> status_t {
+            auto it = std::find_if(
+                    codecInfos.begin(), codecInfos.end(),
+                    [&name](const sp<MediaCodecInfo> &info) {
+                        return name.equalsIgnoreCase(info->getCodecName());
+                    });
+
+            *info = (it == codecInfos.end()) ? nullptr : *it;
+            return (*info) ? OK : NAME_NOT_FOUND;
+        };
+
+    looper->start();
+    return MediaTestHelper::CreateCodec(
+            codecName, looper, getCodecBase, getCodecInfo);
+}
+
 TEST(MediaCodecTest, ReclaimReleaseRace) {
     // Test scenario:
     //
@@ -202,30 +235,9 @@
             return mockCodec;
         };
 
-    std::shared_ptr<MediaCodecListWriter> listWriter =
-        MediaTestHelper::CreateCodecListWriter();
-    std::unique_ptr<MediaCodecInfoWriter> infoWriter = listWriter->addMediaCodecInfo();
-    infoWriter->setName(kCodecName.c_str());
-    infoWriter->setOwner(kCodecOwner.c_str());
-    infoWriter->addMediaType(kMediaType.c_str());
-    std::vector<sp<MediaCodecInfo>> codecInfos;
-    MediaTestHelper::WriteCodecInfos(listWriter, &codecInfos);
-    std::function<status_t(const AString &, sp<MediaCodecInfo> *)> getCodecInfo =
-        [codecInfos](const AString &name, sp<MediaCodecInfo> *info) -> status_t {
-            auto it = std::find_if(
-                    codecInfos.begin(), codecInfos.end(),
-                    [&name](const sp<MediaCodecInfo> &info) {
-                        return name.equalsIgnoreCase(info->getCodecName());
-                    });
-
-            *info = (it == codecInfos.end()) ? nullptr : *it;
-            return (*info) ? OK : NAME_NOT_FOUND;
-        };
-
     sp<ALooper> looper{new ALooper};
-    looper->start();
-    sp<MediaCodec> codec = MediaTestHelper::CreateCodec(
-            kCodecName, looper, getCodecBase, getCodecInfo);
+    sp<MediaCodec> codec = SetupMediaCodec(
+            kCodecOwner, kCodecName, kMediaType, looper, getCodecBase);
     ASSERT_NE(nullptr, codec) << "Codec must not be null";
     ASSERT_NE(nullptr, mockCodec) << "MockCodec must not be null";
     std::promise<void> reclaimCompleted;
@@ -266,3 +278,73 @@
         << "release timed out";
     looper->stop();
 }
+
+TEST(MediaCodecTest, ErrorWhileStopping) {
+    // Test scenario:
+    //
+    // 1) Client thread calls stop(); MediaCodec looper thread calls
+    //    initiateShutdown(); shutdown is being handled at the component thread.
+    // 2) Error occurred, but the shutdown operation is still being done.
+    // 3) MediaCodec looper thread handles the error.
+    // 4) Component thread completes shutdown and posts onStopCompleted()
+
+    static const AString kCodecName{"test.codec"};
+    static const AString kCodecOwner{"nobody"};
+    static const AString kMediaType{"video/x-test"};
+
+    std::promise<void> errorOccurred;
+    sp<MockCodec> mockCodec;
+    std::function<sp<CodecBase>(const AString &name, const char *owner)> getCodecBase =
+        [&mockCodec, &errorOccurred](const AString &, const char *) {
+            mockCodec = new MockCodec([](const std::shared_ptr<MockBufferChannel> &) {
+                // No mock setup, as we don't expect any buffer operations
+                // in this scenario.
+            });
+            ON_CALL(*mockCodec, initiateAllocateComponent(_))
+                .WillByDefault([mockCodec](const sp<AMessage> &) {
+                    mockCodec->callback()->onComponentAllocated(kCodecName.c_str());
+                });
+            ON_CALL(*mockCodec, initiateConfigureComponent(_))
+                .WillByDefault([mockCodec](const sp<AMessage> &msg) {
+                    mockCodec->callback()->onComponentConfigured(
+                            msg->dup(), msg->dup());
+                });
+            ON_CALL(*mockCodec, initiateStart())
+                .WillByDefault([mockCodec]() {
+                    mockCodec->callback()->onStartCompleted();
+                });
+            ON_CALL(*mockCodec, initiateShutdown(true))
+                .WillByDefault([mockCodec, &errorOccurred](bool) {
+                    mockCodec->callback()->onError(UNKNOWN_ERROR, ACTION_CODE_FATAL);
+                    // Mark that 1) and 2) are complete.
+                    errorOccurred.set_value();
+                });
+            ON_CALL(*mockCodec, initiateShutdown(false))
+                .WillByDefault([mockCodec](bool) {
+                    mockCodec->callback()->onReleaseCompleted();
+                });
+            return mockCodec;
+        };
+
+    sp<ALooper> looper{new ALooper};
+    sp<MediaCodec> codec = SetupMediaCodec(
+            kCodecOwner, kCodecName, kMediaType, looper, getCodecBase);
+    ASSERT_NE(nullptr, codec) << "Codec must not be null";
+    ASSERT_NE(nullptr, mockCodec) << "MockCodec must not be null";
+
+    std::thread([mockCodec, &errorOccurred]{
+        // Simulate component thread that handles stop()
+        errorOccurred.get_future().wait();
+        // Error occurred but shutdown request still got processed.
+        mockCodec->callback()->onStopCompleted();
+    }).detach();
+
+    codec->configure(new AMessage, nullptr, nullptr, 0);
+    codec->start();
+    codec->stop();
+    // Sleep here to give time for the MediaCodec looper thread
+    // to process the messages.
+    std::this_thread::sleep_for(std::chrono::milliseconds(100));
+    codec->release();
+    looper->stop();
+}
diff --git a/services/OWNERS b/services/OWNERS
index 66a4bcb..f0b5e2f 100644
--- a/services/OWNERS
+++ b/services/OWNERS
@@ -5,3 +5,5 @@
 gkasten@google.com
 hunga@google.com
 marcone@google.com
+nchalko@google.com
+quxiangfang@google.com
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index fe45221..eae9437 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -197,7 +197,12 @@
         mNextUniqueIds[use] = AUDIO_UNIQUE_ID_USE_MAX;
     }
 
+#if 1
+    // FIXME See bug 165702394 and bug 168511485
+    const bool doLog = false;
+#else
     const bool doLog = property_get_bool("ro.test_harness", false);
+#endif
     if (doLog) {
         mLogMemoryDealer = new MemoryDealer(kLogMemorySize, "LogWriters",
                 MemoryHeapBase::READ_ONLY);
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index 9885655..14a4df7 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -407,7 +407,7 @@
         case AUDIO_CHANNEL_REPRESENTATION_POSITION: {
             // Haptic channel mask is only applicable for channel position mask.
             const uint32_t channelCount = audio_channel_count_from_out_mask(
-                    channelMask & ~AUDIO_CHANNEL_HAPTIC_ALL);
+                    static_cast<audio_channel_mask_t>(channelMask & ~AUDIO_CHANNEL_HAPTIC_ALL));
             const uint32_t maxChannelCount = kEnableExtendedChannels
                     ? AudioMixer::MAX_NUM_CHANNELS : FCC_2;
             if (channelCount < FCC_2 // mono is not supported at this time
diff --git a/services/audioflinger/SpdifStreamOut.cpp b/services/audioflinger/SpdifStreamOut.cpp
index c7aba79..0ce5681 100644
--- a/services/audioflinger/SpdifStreamOut.cpp
+++ b/services/audioflinger/SpdifStreamOut.cpp
@@ -39,7 +39,7 @@
         , mSpdifEncoder(this, format)
         , mApplicationFormat(AUDIO_FORMAT_DEFAULT)
         , mApplicationSampleRate(0)
-        , mApplicationChannelMask(0)
+        , mApplicationChannelMask(AUDIO_CHANNEL_NONE)
 {
 }
 
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index 077447f..46969ef 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -2897,8 +2897,8 @@
         (void)posix_memalign(&mEffectBuffer, 32, mEffectBufferSize);
     }
 
-    mHapticChannelMask = mChannelMask & AUDIO_CHANNEL_HAPTIC_ALL;
-    mChannelMask &= ~mHapticChannelMask;
+    mHapticChannelMask = static_cast<audio_channel_mask_t>(mChannelMask & AUDIO_CHANNEL_HAPTIC_ALL);
+    mChannelMask = static_cast<audio_channel_mask_t>(mChannelMask & ~mHapticChannelMask);
     mHapticChannelCount = audio_channel_count_from_out_mask(mHapticChannelMask);
     mChannelCount -= mHapticChannelCount;
 
@@ -4247,7 +4247,7 @@
                             "Enumerated device type(%#x) must not be used "
                             "as it does not support audio patches",
                             patch->sinks[i].ext.device.type);
-        type |= patch->sinks[i].ext.device.type;
+        type = static_cast<audio_devices_t>(type | patch->sinks[i].ext.device.type);
         deviceTypeAddrs.push_back(AudioDeviceTypeAddr(patch->sinks[i].ext.device.type,
                 patch->sinks[i].ext.device.address));
     }
@@ -4497,8 +4497,9 @@
         // wrap the source side of the MonoPipe to make it an AudioBufferProvider
         fastTrack->mBufferProvider = new SourceAudioBufferProvider(new MonoPipeReader(monoPipe));
         fastTrack->mVolumeProvider = NULL;
-        fastTrack->mChannelMask = mChannelMask | mHapticChannelMask; // mPipeSink channel mask for
-                                                                     // audio to FastMixer
+        fastTrack->mChannelMask = static_cast<audio_channel_mask_t>(
+                mChannelMask | mHapticChannelMask); // mPipeSink channel mask for
+                                                    // audio to FastMixer
         fastTrack->mFormat = mFormat; // mPipeSink format for audio to FastMixer
         fastTrack->mHapticPlaybackEnabled = mHapticChannelMask != AUDIO_CHANNEL_NONE;
         fastTrack->mHapticIntensity = os::HapticScale::NONE;
@@ -4512,7 +4513,8 @@
         // specify sink channel mask when haptic channel mask present as it can not
         // be calculated directly from channel count
         state->mSinkChannelMask = mHapticChannelMask == AUDIO_CHANNEL_NONE
-                ? AUDIO_CHANNEL_NONE : mChannelMask | mHapticChannelMask;
+                ? AUDIO_CHANNEL_NONE
+                : static_cast<audio_channel_mask_t>(mChannelMask | mHapticChannelMask);
         state->mCommand = FastMixerState::COLD_IDLE;
         // already done in constructor initialization list
         //mFastMixerFutex = 0;
@@ -9242,7 +9244,7 @@
                                 "Enumerated device type(%#x) must not be used "
                                 "as it does not support audio patches",
                                 patch->sinks[i].ext.device.type);
-            type |= patch->sinks[i].ext.device.type;
+            type = static_cast<audio_devices_t>(type | patch->sinks[i].ext.device.type);
             sinkDeviceTypeAddrs.push_back(AudioDeviceTypeAddr(patch->sinks[i].ext.device.type,
                     patch->sinks[i].ext.device.address));
         }
diff --git a/services/audiopolicy/common/managerdefinitions/src/DeviceDescriptor.cpp b/services/audiopolicy/common/managerdefinitions/src/DeviceDescriptor.cpp
index a896157..b450e82 100644
--- a/services/audiopolicy/common/managerdefinitions/src/DeviceDescriptor.cpp
+++ b/services/audiopolicy/common/managerdefinitions/src/DeviceDescriptor.cpp
@@ -377,7 +377,7 @@
     if (isEmpty()) {
         // Return nullptr if this collection is empty.
         return nullptr;
-    } else if (areAllOfSameDeviceType(types(), audio_is_input_device)) {
+    } else if (areAllOfSameDeviceType(types(), audio_call_is_input_device)) {
         // For input case, return the first one when there is only one device.
         return size() > 1 ? nullptr : *begin();
     } else if (areAllOfSameDeviceType(types(), audio_is_output_device)) {
diff --git a/services/audiopolicy/common/managerdefinitions/src/Serializer.cpp b/services/audiopolicy/common/managerdefinitions/src/Serializer.cpp
index 883e713..889f031 100644
--- a/services/audiopolicy/common/managerdefinitions/src/Serializer.cpp
+++ b/services/audiopolicy/common/managerdefinitions/src/Serializer.cpp
@@ -337,7 +337,7 @@
 
     std::string mode = getXmlAttribute(cur, Attributes::mode);
     if (!mode.empty()) {
-        gain->setMode(GainModeConverter::maskFromString(mode));
+        gain->setMode(static_cast<audio_gain_mode_t>(GainModeConverter::maskFromString(mode)));
     }
 
     std::string channelsLiteral = getXmlAttribute(cur, Attributes::channelMask);
diff --git a/services/audiopolicy/engine/common/src/EngineDefaultConfig.h b/services/audiopolicy/engine/common/src/EngineDefaultConfig.h
index 1821140..d39eff6 100644
--- a/services/audiopolicy/engine/common/src/EngineDefaultConfig.h
+++ b/services/audiopolicy/engine/common/src/EngineDefaultConfig.h
@@ -26,8 +26,8 @@
     {"STRATEGY_PHONE",
      {
          {"phone", AUDIO_STREAM_VOICE_CALL, "AUDIO_STREAM_VOICE_CALL",
-          {{AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_VOICE_COMMUNICATION, AUDIO_SOURCE_DEFAULT, 0,
-            ""}},
+          {{AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_VOICE_COMMUNICATION, AUDIO_SOURCE_DEFAULT,
+            AUDIO_FLAG_NONE, ""}},
          },
          {"sco", AUDIO_STREAM_BLUETOOTH_SCO, "AUDIO_STREAM_BLUETOOTH_SCO",
           {{AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_UNKNOWN, AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_SCO,
@@ -39,10 +39,11 @@
      {
          {"ring", AUDIO_STREAM_RING, "AUDIO_STREAM_RING",
           {{AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE,
-            AUDIO_SOURCE_DEFAULT, 0, ""}}
+            AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, ""}}
          },
          {"alarm", AUDIO_STREAM_ALARM, "AUDIO_STREAM_ALARM",
-          {{AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_ALARM, AUDIO_SOURCE_DEFAULT, 0, ""}},
+          {{AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_ALARM, AUDIO_SOURCE_DEFAULT,
+            AUDIO_FLAG_NONE, ""}},
          }
      },
     },
@@ -58,7 +59,7 @@
      {
          {"", AUDIO_STREAM_ACCESSIBILITY, "AUDIO_STREAM_ACCESSIBILITY",
           {{AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY,
-            AUDIO_SOURCE_DEFAULT, 0, ""}}
+            AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, ""}}
          }
      },
     },
@@ -66,15 +67,16 @@
      {
          {"", AUDIO_STREAM_NOTIFICATION, "AUDIO_STREAM_NOTIFICATION",
           {
-              {AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_NOTIFICATION, AUDIO_SOURCE_DEFAULT, 0, ""},
+              {AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_NOTIFICATION, AUDIO_SOURCE_DEFAULT,
+               AUDIO_FLAG_NONE, ""},
               {AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_NOTIFICATION_COMMUNICATION_REQUEST,
-               AUDIO_SOURCE_DEFAULT, 0, ""},
+               AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, ""},
               {AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_NOTIFICATION_COMMUNICATION_INSTANT,
-               AUDIO_SOURCE_DEFAULT, 0, ""},
+               AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, ""},
               {AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_NOTIFICATION_COMMUNICATION_DELAYED,
-               AUDIO_SOURCE_DEFAULT, 0, ""},
+               AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, ""},
               {AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_NOTIFICATION_EVENT,
-               AUDIO_SOURCE_DEFAULT, 0, ""}
+               AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, ""}
           }
          }
      },
@@ -83,21 +85,25 @@
      {
          {"assistant", AUDIO_STREAM_ASSISTANT, "AUDIO_STREAM_ASSISTANT",
           {{AUDIO_CONTENT_TYPE_SPEECH, AUDIO_USAGE_ASSISTANT,
-            AUDIO_SOURCE_DEFAULT, 0, ""}}
+            AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, ""}}
          },
          {"music", AUDIO_STREAM_MUSIC, "AUDIO_STREAM_MUSIC",
           {
-              {AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_MEDIA, AUDIO_SOURCE_DEFAULT, 0, ""},
-              {AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_GAME, AUDIO_SOURCE_DEFAULT, 0, ""},
-              {AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_ASSISTANT, AUDIO_SOURCE_DEFAULT, 0, ""},
+              {AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_MEDIA, AUDIO_SOURCE_DEFAULT,
+               AUDIO_FLAG_NONE, ""},
+              {AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_GAME, AUDIO_SOURCE_DEFAULT,
+               AUDIO_FLAG_NONE, ""},
+              {AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_ASSISTANT, AUDIO_SOURCE_DEFAULT,
+               AUDIO_FLAG_NONE, ""},
               {AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE,
-               AUDIO_SOURCE_DEFAULT, 0, ""},
-              {AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_UNKNOWN, AUDIO_SOURCE_DEFAULT, 0, ""}
+               AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, ""},
+              {AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_UNKNOWN, AUDIO_SOURCE_DEFAULT,
+               AUDIO_FLAG_NONE, ""}
           },
          },
          {"system", AUDIO_STREAM_SYSTEM, "AUDIO_STREAM_SYSTEM",
           {{AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_ASSISTANCE_SONIFICATION,
-            AUDIO_SOURCE_DEFAULT, 0, ""}}
+            AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, ""}}
          }
      },
     },
@@ -106,7 +112,7 @@
          {"", AUDIO_STREAM_DTMF, "AUDIO_STREAM_DTMF",
           {
               {AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING,
-               AUDIO_SOURCE_DEFAULT, 0, ""}
+               AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, ""}
           }
          }
      },
@@ -114,7 +120,8 @@
     {"STRATEGY_CALL_ASSISTANT",
      {
          {"", AUDIO_STREAM_CALL_ASSISTANT, "AUDIO_STREAM_CALL_ASSISTANT",
-          {{AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_CALL_ASSISTANT, AUDIO_SOURCE_DEFAULT, 0, ""}}
+          {{AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_CALL_ASSISTANT, AUDIO_SOURCE_DEFAULT,
+            AUDIO_FLAG_NONE, ""}}
          }
      },
     },
@@ -136,14 +143,16 @@
     {"rerouting",
      {
          {"", AUDIO_STREAM_REROUTING, "AUDIO_STREAM_REROUTING",
-          {{AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_VIRTUAL_SOURCE, AUDIO_SOURCE_DEFAULT, 0, ""}}
+          {{AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_VIRTUAL_SOURCE, AUDIO_SOURCE_DEFAULT,
+            AUDIO_FLAG_NONE, ""}}
          }
      },
     },
     {"patch",
      {
          {"", AUDIO_STREAM_PATCH, "AUDIO_STREAM_PATCH",
-          {{AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_UNKNOWN, AUDIO_SOURCE_DEFAULT, 0, ""}}
+          {{AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_UNKNOWN, AUDIO_SOURCE_DEFAULT,
+            AUDIO_FLAG_NONE, ""}}
          }
      },
     }
diff --git a/services/audiopolicy/engine/config/src/EngineConfig.cpp b/services/audiopolicy/engine/config/src/EngineConfig.cpp
index 4842cb2..daf6418 100644
--- a/services/audiopolicy/engine/config/src/EngineConfig.cpp
+++ b/services/audiopolicy/engine/config/src/EngineConfig.cpp
@@ -228,7 +228,8 @@
             std::string flags = getXmlAttribute(cur, "value");
 
             ALOGV("%s flags %s",  __FUNCTION__, flags.c_str());
-            attributes.flags = AudioFlagConverter::maskFromString(flags, " ");
+            attributes.flags = static_cast<audio_flags_mask_t>(
+                    AudioFlagConverter::maskFromString(flags, " "));
         }
         if (!xmlStrcmp(cur->name, (const xmlChar *)("Bundle"))) {
             std::string bundleKey = getXmlAttribute(cur, "key");
diff --git a/services/audiopolicy/engineconfigurable/parameter-framework/plugin/InputSource.cpp b/services/audiopolicy/engineconfigurable/parameter-framework/plugin/InputSource.cpp
index f91f8d7..f8a6fc0 100644
--- a/services/audiopolicy/engineconfigurable/parameter-framework/plugin/InputSource.cpp
+++ b/services/audiopolicy/engineconfigurable/parameter-framework/plugin/InputSource.cpp
@@ -45,7 +45,7 @@
 
 bool InputSource::sendToHW(string & /*error*/)
 {
-    uint32_t applicableInputDevice;
+    audio_devices_t applicableInputDevice;
     blackboardRead(&applicableInputDevice, sizeof(applicableInputDevice));
     return mPolicyPluginInterface->setDeviceForInputSource(mId, applicableInputDevice);
 }
diff --git a/services/audiopolicy/engineconfigurable/parameter-framework/plugin/ProductStrategy.h b/services/audiopolicy/engineconfigurable/parameter-framework/plugin/ProductStrategy.h
index 244f082..6c8eb65 100644
--- a/services/audiopolicy/engineconfigurable/parameter-framework/plugin/ProductStrategy.h
+++ b/services/audiopolicy/engineconfigurable/parameter-framework/plugin/ProductStrategy.h
@@ -32,7 +32,7 @@
 
     struct Device
     {
-        uint32_t applicableDevice; /**< applicable device for this strategy. */
+        audio_devices_t applicableDevice; /**< applicable device for this strategy. */
         char deviceAddress[mMaxStringSize]; /**< device address associated with this strategy. */
     } __attribute__((packed));
 
diff --git a/services/audiopolicy/engineconfigurable/src/InputSource.cpp b/services/audiopolicy/engineconfigurable/src/InputSource.cpp
index aa06ae3..f4645e6 100644
--- a/services/audiopolicy/engineconfigurable/src/InputSource.cpp
+++ b/services/audiopolicy/engineconfigurable/src/InputSource.cpp
@@ -51,7 +51,7 @@
         mApplicableDevices = devices;
         return NO_ERROR;
     }
-    devices |= AUDIO_DEVICE_BIT_IN;
+    devices = static_cast<audio_devices_t>(devices | AUDIO_DEVICE_BIT_IN);
     if (!audio_is_input_device(devices)) {
         ALOGE("%s: trying to set an invalid device 0x%X for input source %s",
               __FUNCTION__, devices, getName().c_str());
diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
index fc3b2a2..d9a5fa2 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
@@ -904,7 +904,8 @@
     // Only honor audibility enforced when required. The client will be
     // forced to reconnect if the forced usage changes.
     if (mEngine->getForceUse(AUDIO_POLICY_FORCE_FOR_SYSTEM) != AUDIO_POLICY_FORCE_SYSTEM_ENFORCED) {
-        dstAttr->flags &= ~AUDIO_FLAG_AUDIBILITY_ENFORCED;
+        dstAttr->flags = static_cast<audio_flags_mask_t>(
+                dstAttr->flags & ~AUDIO_FLAG_AUDIBILITY_ENFORCED);
     }
 
     return NO_ERROR;
@@ -936,7 +937,7 @@
         return status;
     }
     if (auto it = mAllowedCapturePolicies.find(uid); it != end(mAllowedCapturePolicies)) {
-        resultAttr->flags |= it->second;
+        resultAttr->flags = static_cast<audio_flags_mask_t>(resultAttr->flags | it->second);
     }
     *stream = mEngine->getStreamTypeForAttributes(*resultAttr);
 
@@ -1254,7 +1255,8 @@
 
     // Discard haptic channel mask when forcing muting haptic channels.
     audio_channel_mask_t channelMask = forceMutingHaptic
-            ? (config->channel_mask & ~AUDIO_CHANNEL_HAPTIC_ALL) : config->channel_mask;
+            ? static_cast<audio_channel_mask_t>(config->channel_mask & ~AUDIO_CHANNEL_HAPTIC_ALL)
+            : config->channel_mask;
 
     // open a direct output if required by specified parameters
     //force direct flag if offload flag is set: offloading implies a direct output stream
@@ -3233,7 +3235,7 @@
     ALOGV("%s() audioSource=%d role=%d %s", __func__, audioSource, role,
             dumpAudioDeviceTypeAddrVector(devices).c_str());
 
-    if (!areAllDevicesSupported(devices, audio_is_input_device, __func__)) {
+    if (!areAllDevicesSupported(devices, audio_call_is_input_device, __func__)) {
         return BAD_VALUE;
     }
     status_t status = mEngine->setDevicesRoleForCapturePreset(audioSource, role, devices);
@@ -3249,7 +3251,7 @@
     ALOGV("%s() audioSource=%d role=%d %s", __func__, audioSource, role,
             dumpAudioDeviceTypeAddrVector(devices).c_str());
 
-    if (!areAllDevicesSupported(devices, audio_is_input_device, __func__)) {
+    if (!areAllDevicesSupported(devices, audio_call_is_input_device, __func__)) {
         return BAD_VALUE;
     }
     status_t status = mEngine->addDevicesRoleForCapturePreset(audioSource, role, devices);
@@ -3266,7 +3268,7 @@
     ALOGV("%s() audioSource=%d role=%d devices=%s", __func__, audioSource, role,
             dumpAudioDeviceTypeAddrVector(devices).c_str());
 
-    if (!areAllDevicesSupported(devices, audio_is_input_device, __func__)) {
+    if (!areAllDevicesSupported(devices, audio_call_is_input_device, __func__)) {
         return BAD_VALUE;
     }
 
diff --git a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
index 14e5236..df8e4c5 100644
--- a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
+++ b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
@@ -244,11 +244,12 @@
         uid = callingUid;
     }
     if (!mPackageManager.allowPlaybackCapture(uid)) {
-        attr->flags |= AUDIO_FLAG_NO_MEDIA_PROJECTION;
+        attr->flags = static_cast<audio_flags_mask_t>(attr->flags | AUDIO_FLAG_NO_MEDIA_PROJECTION);
     }
     if (((attr->flags & (AUDIO_FLAG_BYPASS_INTERRUPTION_POLICY|AUDIO_FLAG_BYPASS_MUTE)) != 0)
             && !bypassInterruptionPolicyAllowed(pid, uid)) {
-        attr->flags &= ~(AUDIO_FLAG_BYPASS_INTERRUPTION_POLICY|AUDIO_FLAG_BYPASS_MUTE);
+        attr->flags = static_cast<audio_flags_mask_t>(
+                attr->flags & ~(AUDIO_FLAG_BYPASS_INTERRUPTION_POLICY|AUDIO_FLAG_BYPASS_MUTE));
     }
     AutoCallerClear acc;
     AudioPolicyInterface::output_type_t outputType;
diff --git a/services/audiopolicy/tests/audiopolicymanager_tests.cpp b/services/audiopolicy/tests/audiopolicymanager_tests.cpp
index ed9ec8c..ca2164b 100644
--- a/services/audiopolicy/tests/audiopolicymanager_tests.cpp
+++ b/services/audiopolicy/tests/audiopolicymanager_tests.cpp
@@ -89,7 +89,7 @@
     void getOutputForAttr(
             audio_port_handle_t *selectedDeviceId,
             audio_format_t format,
-            int channelMask,
+            audio_channel_mask_t channelMask,
             int sampleRate,
             audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE,
             audio_io_handle_t *output = nullptr,
@@ -100,7 +100,7 @@
             audio_unique_id_t riid,
             audio_port_handle_t *selectedDeviceId,
             audio_format_t format,
-            int channelMask,
+            audio_channel_mask_t channelMask,
             int sampleRate,
             audio_input_flags_t flags = AUDIO_INPUT_FLAG_NONE,
             audio_port_handle_t *portId = nullptr);
@@ -166,7 +166,7 @@
 void AudioPolicyManagerTest::getOutputForAttr(
         audio_port_handle_t *selectedDeviceId,
         audio_format_t format,
-        int channelMask,
+        audio_channel_mask_t channelMask,
         int sampleRate,
         audio_output_flags_t flags,
         audio_io_handle_t *output,
@@ -196,7 +196,7 @@
         audio_unique_id_t riid,
         audio_port_handle_t *selectedDeviceId,
         audio_format_t format,
-        int channelMask,
+        audio_channel_mask_t channelMask,
         int sampleRate,
         audio_input_flags_t flags,
         audio_port_handle_t *portId) {
@@ -709,7 +709,8 @@
 
     audio_port_handle_t selectedDeviceId = AUDIO_PORT_HANDLE_NONE;
     audio_source_t source = AUDIO_SOURCE_REMOTE_SUBMIX;
-    audio_attributes_t attr = {AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_UNKNOWN, source, 0, ""};
+    audio_attributes_t attr = {
+        AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_UNKNOWN, source, AUDIO_FLAG_NONE, ""};
     std::string tags = "addr=" + mMixAddress;
     strncpy(attr.tags, tags.c_str(), AUDIO_ATTRIBUTES_TAGS_MAX_SIZE - 1);
     getInputForAttr(attr, mTracker->getRiid(), &selectedDeviceId, AUDIO_FORMAT_PCM_16_BIT,
@@ -759,9 +760,9 @@
         AudioPolicyManagerTestDPPlaybackReRouting,
         testing::Values(
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC, AUDIO_USAGE_MEDIA,
-                                     AUDIO_SOURCE_DEFAULT, 0, ""},
+                                     AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, ""},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC, AUDIO_USAGE_ALARM,
-                                     AUDIO_SOURCE_DEFAULT, 0, ""}
+                                     AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, ""}
                 )
         );
 
@@ -770,47 +771,47 @@
         AudioPolicyManagerTestDPPlaybackReRouting,
         testing::Values(
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC, AUDIO_USAGE_MEDIA,
-                                     AUDIO_SOURCE_DEFAULT, 0, "addr=remote_submix_media"},
+                    AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, "addr=remote_submix_media"},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC, AUDIO_USAGE_VOICE_COMMUNICATION,
-                                     AUDIO_SOURCE_DEFAULT, 0, "addr=remote_submix_media"},
+                    AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, "addr=remote_submix_media"},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC,
-                                     AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING,
-                                     AUDIO_SOURCE_DEFAULT, 0, "addr=remote_submix_media"},
+                    AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING,
+                    AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, "addr=remote_submix_media"},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC, AUDIO_USAGE_ALARM,
-                                     AUDIO_SOURCE_DEFAULT, 0, "addr=remote_submix_media"},
+                    AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, "addr=remote_submix_media"},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC, AUDIO_USAGE_NOTIFICATION,
-                                     AUDIO_SOURCE_DEFAULT, 0, "addr=remote_submix_media"},
+                    AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, "addr=remote_submix_media"},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC,
-                                     AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE,
-                                     AUDIO_SOURCE_DEFAULT, 0, "addr=remote_submix_media"},
+                    AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE,
+                    AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, "addr=remote_submix_media"},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC,
-                                     AUDIO_USAGE_NOTIFICATION_COMMUNICATION_REQUEST,
-                                     AUDIO_SOURCE_DEFAULT, 0, "addr=remote_submix_media"},
+                    AUDIO_USAGE_NOTIFICATION_COMMUNICATION_REQUEST,
+                    AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, "addr=remote_submix_media"},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC,
-                                     AUDIO_USAGE_NOTIFICATION_COMMUNICATION_INSTANT,
-                                     AUDIO_SOURCE_DEFAULT, 0, "addr=remote_submix_media"},
+                    AUDIO_USAGE_NOTIFICATION_COMMUNICATION_INSTANT,
+                    AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, "addr=remote_submix_media"},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC,
-                                     AUDIO_USAGE_NOTIFICATION_COMMUNICATION_DELAYED,
-                                     AUDIO_SOURCE_DEFAULT, 0, "addr=remote_submix_media"},
+                    AUDIO_USAGE_NOTIFICATION_COMMUNICATION_DELAYED,
+                    AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, "addr=remote_submix_media"},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC, AUDIO_USAGE_NOTIFICATION_EVENT,
-                                     AUDIO_SOURCE_DEFAULT, 0, "addr=remote_submix_media"},
+                    AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, "addr=remote_submix_media"},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC,
-                                     AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY,
-                                     AUDIO_SOURCE_DEFAULT, 0, "addr=remote_submix_media"},
+                    AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY,
+                    AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, "addr=remote_submix_media"},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC,
-                                     AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE,
-                                     AUDIO_SOURCE_DEFAULT, 0, "addr=remote_submix_media"},
+                    AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE,
+                    AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, "addr=remote_submix_media"},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC,
-                                     AUDIO_USAGE_ASSISTANCE_SONIFICATION,
-                                     AUDIO_SOURCE_DEFAULT, 0, "addr=remote_submix_media"},
+                    AUDIO_USAGE_ASSISTANCE_SONIFICATION,
+                    AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, "addr=remote_submix_media"},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC, AUDIO_USAGE_GAME,
-                                     AUDIO_SOURCE_DEFAULT, 0, "addr=remote_submix_media"},
+                    AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, "addr=remote_submix_media"},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC, AUDIO_USAGE_VIRTUAL_SOURCE,
-                                     AUDIO_SOURCE_DEFAULT, 0, "addr=remote_submix_media"},
+                    AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, "addr=remote_submix_media"},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC, AUDIO_USAGE_ASSISTANT,
-                                     AUDIO_SOURCE_DEFAULT, 0, "addr=remote_submix_media"},
+                    AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, "addr=remote_submix_media"},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_SPEECH, AUDIO_USAGE_ASSISTANT,
-                                     AUDIO_SOURCE_DEFAULT, 0, "addr=remote_submix_media"}
+                    AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, "addr=remote_submix_media"}
                 )
         );
 
@@ -819,41 +820,41 @@
         AudioPolicyManagerTestDPPlaybackReRouting,
         testing::Values(
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC, AUDIO_USAGE_VOICE_COMMUNICATION,
-                                     AUDIO_SOURCE_DEFAULT, 0, ""},
+                                     AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, ""},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC,
                                      AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING,
-                                     AUDIO_SOURCE_DEFAULT, 0, ""},
+                                     AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, ""},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC, AUDIO_USAGE_NOTIFICATION,
-                                     AUDIO_SOURCE_DEFAULT, 0, ""},
+                                     AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, ""},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC,
                                      AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE,
-                                     AUDIO_SOURCE_DEFAULT, 0, ""},
+                                     AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, ""},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC,
                                      AUDIO_USAGE_NOTIFICATION_COMMUNICATION_REQUEST,
-                                     AUDIO_SOURCE_DEFAULT, 0, ""},
+                                     AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, ""},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC,
                                      AUDIO_USAGE_NOTIFICATION_COMMUNICATION_INSTANT,
-                                     AUDIO_SOURCE_DEFAULT, 0, ""},
+                                     AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, ""},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC,
                                      AUDIO_USAGE_NOTIFICATION_COMMUNICATION_DELAYED,
-                                     AUDIO_SOURCE_DEFAULT, 0, ""},
+                                     AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, ""},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC, AUDIO_USAGE_NOTIFICATION_EVENT,
-                                     AUDIO_SOURCE_DEFAULT, 0, ""},
+                                     AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, ""},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC,
                                      AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY,
-                                     AUDIO_SOURCE_DEFAULT, 0, ""},
+                                     AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, ""},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC,
                                      AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE,
-                                     AUDIO_SOURCE_DEFAULT, 0, ""},
+                                     AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, ""},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC,
                                      AUDIO_USAGE_ASSISTANCE_SONIFICATION,
-                                     AUDIO_SOURCE_DEFAULT, 0, ""},
+                                     AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, ""},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC, AUDIO_USAGE_GAME,
-                                     AUDIO_SOURCE_DEFAULT, 0, ""},
+                                     AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, ""},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_MUSIC, AUDIO_USAGE_ASSISTANT,
-                                     AUDIO_SOURCE_DEFAULT, 0, ""},
+                                     AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, ""},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_SPEECH, AUDIO_USAGE_ASSISTANT,
-                                     AUDIO_SOURCE_DEFAULT, 0, ""}
+                                     AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, ""}
                 )
         );
 
@@ -894,7 +895,8 @@
 
     audio_port_handle_t selectedDeviceId = AUDIO_PORT_HANDLE_NONE;
     audio_usage_t usage = AUDIO_USAGE_VIRTUAL_SOURCE;
-    audio_attributes_t attr = {AUDIO_CONTENT_TYPE_UNKNOWN, usage, AUDIO_SOURCE_DEFAULT, 0, ""};
+    audio_attributes_t attr =
+            {AUDIO_CONTENT_TYPE_UNKNOWN, usage, AUDIO_SOURCE_DEFAULT, AUDIO_FLAG_NONE, ""};
     std::string tags = std::string("addr=") + mMixAddress;
     strncpy(attr.tags, tags.c_str(), AUDIO_ATTRIBUTES_TAGS_MAX_SIZE - 1);
     getOutputForAttr(&selectedDeviceId, AUDIO_FORMAT_PCM_16_BIT, AUDIO_CHANNEL_OUT_STEREO,
@@ -943,17 +945,19 @@
         AudioPolicyManagerTestDPMixRecordInjection,
         testing::Values(
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_UNKNOWN,
-                                     AUDIO_SOURCE_CAMCORDER, 0, ""},
+                                     AUDIO_SOURCE_CAMCORDER, AUDIO_FLAG_NONE, ""},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_UNKNOWN,
-                                     AUDIO_SOURCE_CAMCORDER, 0, "addr=remote_submix_media"},
+                                     AUDIO_SOURCE_CAMCORDER, AUDIO_FLAG_NONE,
+                                     "addr=remote_submix_media"},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_UNKNOWN,
-                                     AUDIO_SOURCE_MIC, 0, "addr=remote_submix_media"},
+                                     AUDIO_SOURCE_MIC, AUDIO_FLAG_NONE,
+                                     "addr=remote_submix_media"},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_UNKNOWN,
-                                     AUDIO_SOURCE_MIC, 0, ""},
+                                     AUDIO_SOURCE_MIC, AUDIO_FLAG_NONE, ""},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_UNKNOWN,
-                                     AUDIO_SOURCE_VOICE_COMMUNICATION, 0, ""},
+                                     AUDIO_SOURCE_VOICE_COMMUNICATION, AUDIO_FLAG_NONE, ""},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_UNKNOWN,
-                                     AUDIO_SOURCE_VOICE_COMMUNICATION, 0,
+                                     AUDIO_SOURCE_VOICE_COMMUNICATION, AUDIO_FLAG_NONE,
                                      "addr=remote_submix_media"}
                 )
         );
@@ -964,14 +968,15 @@
         AudioPolicyManagerTestDPMixRecordInjection,
         testing::Values(
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_UNKNOWN,
-                                     AUDIO_SOURCE_VOICE_RECOGNITION, 0, ""},
+                                     AUDIO_SOURCE_VOICE_RECOGNITION, AUDIO_FLAG_NONE, ""},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_UNKNOWN,
-                                     AUDIO_SOURCE_HOTWORD, 0, ""},
+                                     AUDIO_SOURCE_HOTWORD, AUDIO_FLAG_NONE, ""},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_UNKNOWN,
-                                     AUDIO_SOURCE_VOICE_RECOGNITION, 0,
+                                     AUDIO_SOURCE_VOICE_RECOGNITION, AUDIO_FLAG_NONE,
                                      "addr=remote_submix_media"},
                 (audio_attributes_t){AUDIO_CONTENT_TYPE_UNKNOWN, AUDIO_USAGE_UNKNOWN,
-                                     AUDIO_SOURCE_HOTWORD, 0, "addr=remote_submix_media"}
+                                     AUDIO_SOURCE_HOTWORD, AUDIO_FLAG_NONE,
+                                     "addr=remote_submix_media"}
                 )
         );
 
diff --git a/services/mediaresourcemanager/ResourceObserverService.cpp b/services/mediaresourcemanager/ResourceObserverService.cpp
index a4b6ce7..44fe72d 100644
--- a/services/mediaresourcemanager/ResourceObserverService.cpp
+++ b/services/mediaresourcemanager/ResourceObserverService.cpp
@@ -163,7 +163,8 @@
 Status ResourceObserverService::registerObserver(
         const std::shared_ptr<IResourceObserver>& in_observer,
         const std::vector<MediaObservableFilter>& in_filters) {
-    if (checkCallingPermission(
+    if ((getpid() != AIBinder_getCallingPid()) &&
+            checkCallingPermission(
             String16("android.permission.REGISTER_MEDIA_RESOURCE_OBSERVER")) == false) {
         ALOGE("Permission Denial: "
                 "can't registerObserver from pid=%d, uid=%d\n",
@@ -217,7 +218,8 @@
 
 Status ResourceObserverService::unregisterObserver(
         const std::shared_ptr<IResourceObserver>& in_observer) {
-    if (checkCallingPermission(
+    if ((getpid() != AIBinder_getCallingPid()) &&
+            checkCallingPermission(
             String16("android.permission.REGISTER_MEDIA_RESOURCE_OBSERVER")) == false) {
         ALOGE("Permission Denial: "
                 "can't unregisterObserver from pid=%d, uid=%d\n",
diff --git a/services/oboeservice/AAudioServiceEndpoint.cpp b/services/oboeservice/AAudioServiceEndpoint.cpp
index ceefe93..b139be1 100644
--- a/services/oboeservice/AAudioServiceEndpoint.cpp
+++ b/services/oboeservice/AAudioServiceEndpoint.cpp
@@ -182,11 +182,12 @@
             : AUDIO_SOURCE_DEFAULT;
     audio_flags_mask_t flags;
     if (direction == AAUDIO_DIRECTION_OUTPUT) {
-        flags = AUDIO_FLAG_LOW_LATENCY
-            | AAudioConvert_allowCapturePolicyToAudioFlagsMask(params->getAllowedCapturePolicy());
+        flags = static_cast<audio_flags_mask_t>(AUDIO_FLAG_LOW_LATENCY
+                | AAudioConvert_allowCapturePolicyToAudioFlagsMask(
+                        params->getAllowedCapturePolicy()));
     } else {
-        flags = AUDIO_FLAG_LOW_LATENCY
-            | AAudioConvert_privacySensitiveToAudioFlagsMask(params->isPrivacySensitive());
+        flags = static_cast<audio_flags_mask_t>(AUDIO_FLAG_LOW_LATENCY
+                | AAudioConvert_privacySensitiveToAudioFlagsMask(params->isPrivacySensitive()));
     }
     return {
             .content_type = contentType,