diff --git a/include/media/MicrophoneInfo.h b/include/media/MicrophoneInfo.h
index e89401a..a5045b9 100644
--- a/include/media/MicrophoneInfo.h
+++ b/include/media/MicrophoneInfo.h
@@ -208,6 +208,21 @@
     int32_t mDirectionality;
 };
 
+// Conversion routines, according to AidlConversion.h conventions.
+inline ConversionResult<MicrophoneInfo>
+aidl2legacy_MicrophoneInfo(const media::MicrophoneInfoData& aidl) {
+    MicrophoneInfo legacy;
+    RETURN_IF_ERROR(legacy.readFromParcelable(aidl));
+    return legacy;
+}
+
+inline ConversionResult<media::MicrophoneInfoData>
+legacy2aidl_MicrophoneInfo(const MicrophoneInfo& legacy) {
+    media::MicrophoneInfoData aidl;
+    RETURN_IF_ERROR(legacy.writeToParcelable(&aidl));
+    return aidl;
+}
+
 } // namespace media
 } // namespace android
 
diff --git a/media/libaudioclient/AidlConversion.cpp b/media/libaudioclient/AidlConversion.cpp
index f11f184..496dfc7 100644
--- a/media/libaudioclient/AidlConversion.cpp
+++ b/media/libaudioclient/AidlConversion.cpp
@@ -236,6 +236,14 @@
     return convertReinterpret<int32_t>(legacy);
 }
 
+ConversionResult<audio_hw_sync_t> aidl2legacy_int32_t_audio_hw_sync_t(int32_t aidl) {
+    return convertReinterpret<audio_hw_sync_t>(aidl);
+}
+
+ConversionResult<int32_t> legacy2aidl_audio_hw_sync_t_int32_t(audio_hw_sync_t legacy) {
+    return convertReinterpret<int32_t>(legacy);
+}
+
 ConversionResult<pid_t> aidl2legacy_int32_t_pid_t(int32_t aidl) {
     return convertReinterpret<pid_t>(aidl);
 }
@@ -2082,4 +2090,96 @@
     return aidl;
 }
 
+ConversionResult<audio_mode_t>
+aidl2legacy_AudioMode_audio_mode_t(media::AudioMode aidl) {
+    switch (aidl) {
+        case media::AudioMode::INVALID:
+            return AUDIO_MODE_INVALID;
+        case media::AudioMode::CURRENT:
+            return AUDIO_MODE_CURRENT;
+        case media::AudioMode::NORMAL:
+            return AUDIO_MODE_NORMAL;
+        case media::AudioMode::RINGTONE:
+            return AUDIO_MODE_RINGTONE;
+        case media::AudioMode::IN_CALL:
+            return AUDIO_MODE_IN_CALL;
+        case media::AudioMode::IN_COMMUNICATION:
+            return AUDIO_MODE_IN_COMMUNICATION;
+        case media::AudioMode::CALL_SCREEN:
+            return AUDIO_MODE_CALL_SCREEN;
+    }
+    return unexpected(BAD_VALUE);
+}
+
+ConversionResult<media::AudioMode>
+legacy2aidl_audio_mode_t_AudioMode(audio_mode_t legacy) {
+    switch (legacy) {
+        case AUDIO_MODE_INVALID:
+            return media::AudioMode::INVALID;
+        case AUDIO_MODE_CURRENT:
+            return media::AudioMode::CURRENT;
+        case AUDIO_MODE_NORMAL:
+            return media::AudioMode::NORMAL;
+        case AUDIO_MODE_RINGTONE:
+            return media::AudioMode::RINGTONE;
+        case AUDIO_MODE_IN_CALL:
+            return media::AudioMode::IN_CALL;
+        case AUDIO_MODE_IN_COMMUNICATION:
+            return media::AudioMode::IN_COMMUNICATION;
+        case AUDIO_MODE_CALL_SCREEN:
+            return media::AudioMode::CALL_SCREEN;
+        case AUDIO_MODE_CNT:
+            break;
+    }
+    return unexpected(BAD_VALUE);
+}
+
+ConversionResult<audio_unique_id_use_t>
+aidl2legacy_AudioUniqueIdUse_audio_unique_id_use_t(media::AudioUniqueIdUse aidl) {
+    switch (aidl) {
+        case media::AudioUniqueIdUse::UNSPECIFIED:
+            return AUDIO_UNIQUE_ID_USE_UNSPECIFIED;
+        case media::AudioUniqueIdUse::SESSION:
+            return AUDIO_UNIQUE_ID_USE_SESSION;
+        case media::AudioUniqueIdUse::MODULE:
+            return AUDIO_UNIQUE_ID_USE_MODULE;
+        case media::AudioUniqueIdUse::EFFECT:
+            return AUDIO_UNIQUE_ID_USE_EFFECT;
+        case media::AudioUniqueIdUse::PATCH:
+            return AUDIO_UNIQUE_ID_USE_PATCH;
+        case media::AudioUniqueIdUse::OUTPUT:
+            return AUDIO_UNIQUE_ID_USE_OUTPUT;
+        case media::AudioUniqueIdUse::INPUT:
+            return AUDIO_UNIQUE_ID_USE_INPUT;
+        case media::AudioUniqueIdUse::CLIENT:
+            return AUDIO_UNIQUE_ID_USE_CLIENT;
+    }
+    return unexpected(BAD_VALUE);
+}
+
+ConversionResult<media::AudioUniqueIdUse>
+legacy2aidl_audio_unique_id_use_t_AudioUniqueIdUse(audio_unique_id_use_t legacy) {
+    switch (legacy) {
+        case AUDIO_UNIQUE_ID_USE_UNSPECIFIED:
+            return media::AudioUniqueIdUse::UNSPECIFIED;
+        case AUDIO_UNIQUE_ID_USE_SESSION:
+            return media::AudioUniqueIdUse::SESSION;
+        case AUDIO_UNIQUE_ID_USE_MODULE:
+            return media::AudioUniqueIdUse::MODULE;
+        case AUDIO_UNIQUE_ID_USE_EFFECT:
+            return media::AudioUniqueIdUse::EFFECT;
+        case AUDIO_UNIQUE_ID_USE_PATCH:
+            return media::AudioUniqueIdUse::PATCH;
+        case AUDIO_UNIQUE_ID_USE_OUTPUT:
+            return media::AudioUniqueIdUse::OUTPUT;
+        case AUDIO_UNIQUE_ID_USE_INPUT:
+            return media::AudioUniqueIdUse::INPUT;
+        case AUDIO_UNIQUE_ID_USE_CLIENT:
+            return media::AudioUniqueIdUse::CLIENT;
+        case AUDIO_UNIQUE_ID_USE_MAX:
+            break;
+    }
+    return unexpected(BAD_VALUE);
+}
+
 }  // namespace android
diff --git a/media/libaudioclient/Android.bp b/media/libaudioclient/Android.bp
index fa67898..64ec145 100644
--- a/media/libaudioclient/Android.bp
+++ b/media/libaudioclient/Android.bp
@@ -347,7 +347,9 @@
         "aidl/android/media/OpenInputResponse.aidl",
         "aidl/android/media/OpenOutputRequest.aidl",
         "aidl/android/media/OpenOutputResponse.aidl",
+        "aidl/android/media/RenderPosition.aidl",
 
+        "aidl/android/media/IAudioFlingerService.aidl",
         "aidl/android/media/IAudioFlingerClient.aidl",
         "aidl/android/media/IAudioRecord.aidl",
         "aidl/android/media/IAudioTrack.aidl",
diff --git a/media/libaudioclient/AudioSystem.cpp b/media/libaudioclient/AudioSystem.cpp
index d163feb..72c65c1 100644
--- a/media/libaudioclient/AudioSystem.cpp
+++ b/media/libaudioclient/AudioSystem.cpp
@@ -71,7 +71,7 @@
             sp<IServiceManager> sm = defaultServiceManager();
             sp<IBinder> binder;
             do {
-                binder = sm->getService(String16("media.audio_flinger"));
+                binder = sm->getService(String16(IAudioFlinger::DEFAULT_SERVICE_NAME));
                 if (binder != 0)
                     break;
                 ALOGW("AudioFlinger not published, waiting...");
@@ -83,7 +83,8 @@
                 reportNoError = true;
             }
             binder->linkToDeath(gAudioFlingerClient);
-            gAudioFlinger = interface_cast<IAudioFlinger>(binder);
+            gAudioFlinger = new AudioFlingerClientAdapter(
+                    interface_cast<media::IAudioFlingerService>(binder));
             LOG_ALWAYS_FATAL_IF(gAudioFlinger == 0);
             afc = gAudioFlingerClient;
             // Make sure callbacks can be received by gAudioFlingerClient
diff --git a/media/libaudioclient/IAudioFlinger.cpp b/media/libaudioclient/IAudioFlinger.cpp
index 786af53..a7cca45 100644
--- a/media/libaudioclient/IAudioFlinger.cpp
+++ b/media/libaudioclient/IAudioFlinger.cpp
@@ -28,8 +28,29 @@
 
 namespace android {
 
+using binder::Status;
+
 #define MAX_ITEMS_PER_LIST 1024
 
+#define VALUE_OR_RETURN_BINDER(x)                                 \
+    ({                                                            \
+       auto _tmp = (x);                                           \
+       if (!_tmp.ok()) return Status::fromStatusT(_tmp.error());  \
+       std::move(_tmp.value()); \
+     })
+
+#define RETURN_STATUS_IF_ERROR(x)    \
+    {                                \
+       auto _tmp = (x);              \
+       if (_tmp != OK) return _tmp;  \
+    }
+
+#define RETURN_BINDER_IF_ERROR(x)                         \
+    {                                                     \
+       auto _tmp = (x);                                   \
+       if (_tmp != OK) return Status::fromStatusT(_tmp);  \
+    }
+
 ConversionResult<media::CreateTrackRequest> IAudioFlinger::CreateTrackInput::toAidl() const {
     media::CreateTrackRequest aidl;
     aidl.attr = VALUE_OR_RETURN(legacy2aidl_audio_attributes_t_AudioAttributesInternal(attr));
@@ -185,1275 +206,960 @@
     return legacy;
 }
 
-class BpAudioFlinger : public BpInterface<IAudioFlinger>
-{
-public:
-    explicit BpAudioFlinger(const sp<IBinder>& impl)
-        : BpInterface<IAudioFlinger>(impl)
-    {
-    }
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// AudioFlingerClientAdapter
 
-    virtual status_t createTrack(const media::CreateTrackRequest& input,
-                                 media::CreateTrackResponse& output)
-    {
-        Parcel data, reply;
-        status_t status;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeParcelable(input);
+AudioFlingerClientAdapter::AudioFlingerClientAdapter(
+        const sp<media::IAudioFlingerService> delegate) : mDelegate(delegate) {}
 
-        status_t lStatus = remote()->transact(CREATE_TRACK, data, &reply);
-        if (lStatus != NO_ERROR) {
-            ALOGE("createTrack transaction error %d", lStatus);
-            return DEAD_OBJECT;
-        }
-        status = reply.readInt32();
-        if (status != NO_ERROR) {
-            ALOGE("createTrack returned error %d", status);
-            return status;
-        }
-        output.readFromParcel(&reply);
-        if (output.audioTrack == 0) {
-            ALOGE("createTrack returned an NULL IAudioTrack with status OK");
-            return DEAD_OBJECT;
-        }
-        return OK;
-    }
-
-    virtual status_t createRecord(const media::CreateRecordRequest& input,
-                                  media::CreateRecordResponse& output)
-    {
-        Parcel data, reply;
-        status_t status;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-
-        data.writeParcelable(input);
-
-        status_t lStatus = remote()->transact(CREATE_RECORD, data, &reply);
-        if (lStatus != NO_ERROR) {
-            ALOGE("createRecord transaction error %d", lStatus);
-            return DEAD_OBJECT;
-        }
-        status = reply.readInt32();
-        if (status != NO_ERROR) {
-            ALOGE("createRecord returned error %d", status);
-            return status;
-        }
-
-        output.readFromParcel(&reply);
-        if (output.audioRecord == 0) {
-            ALOGE("createRecord returned a NULL IAudioRecord with status OK");
-            return DEAD_OBJECT;
-        }
-        return OK;
-    }
-
-    virtual uint32_t sampleRate(audio_io_handle_t ioHandle) const
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32((int32_t) ioHandle);
-        remote()->transact(SAMPLE_RATE, data, &reply);
-        return reply.readInt32();
-    }
-
-    // RESERVED for channelCount()
-
-    virtual audio_format_t format(audio_io_handle_t output) const
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32((int32_t) output);
-        remote()->transact(FORMAT, data, &reply);
-        return (audio_format_t) reply.readInt32();
-    }
-
-    virtual size_t frameCount(audio_io_handle_t ioHandle) const
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32((int32_t) ioHandle);
-        remote()->transact(FRAME_COUNT, data, &reply);
-        return reply.readInt64();
-    }
-
-    virtual uint32_t latency(audio_io_handle_t output) const
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32((int32_t) output);
-        remote()->transact(LATENCY, data, &reply);
-        return reply.readInt32();
-    }
-
-    virtual status_t setMasterVolume(float value)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeFloat(value);
-        remote()->transact(SET_MASTER_VOLUME, data, &reply);
-        return reply.readInt32();
-    }
-
-    virtual status_t setMasterMute(bool muted)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32(muted);
-        remote()->transact(SET_MASTER_MUTE, data, &reply);
-        return reply.readInt32();
-    }
-
-    virtual float masterVolume() const
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        remote()->transact(MASTER_VOLUME, data, &reply);
-        return reply.readFloat();
-    }
-
-    virtual bool masterMute() const
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        remote()->transact(MASTER_MUTE, data, &reply);
-        return reply.readInt32();
-    }
-
-    status_t setMasterBalance(float balance) override
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeFloat(balance);
-        status_t status = remote()->transact(SET_MASTER_BALANCE, data, &reply);
-        if (status != NO_ERROR) {
-            return status;
-        }
-        return reply.readInt32();
-    }
-
-    status_t getMasterBalance(float *balance) const override
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        status_t status = remote()->transact(GET_MASTER_BALANCE, data, &reply);
-        if (status != NO_ERROR) {
-            return status;
-        }
-        status = (status_t)reply.readInt32();
-        if (status != NO_ERROR) {
-            return status;
-        }
-        *balance = reply.readFloat();
-        return NO_ERROR;
-    }
-
-    virtual status_t setStreamVolume(audio_stream_type_t stream, float value,
-            audio_io_handle_t output)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32((int32_t) stream);
-        data.writeFloat(value);
-        data.writeInt32((int32_t) output);
-        remote()->transact(SET_STREAM_VOLUME, data, &reply);
-        return reply.readInt32();
-    }
-
-    virtual status_t setStreamMute(audio_stream_type_t stream, bool muted)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32((int32_t) stream);
-        data.writeInt32(muted);
-        remote()->transact(SET_STREAM_MUTE, data, &reply);
-        return reply.readInt32();
-    }
-
-    virtual float streamVolume(audio_stream_type_t stream, audio_io_handle_t output) const
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32((int32_t) stream);
-        data.writeInt32((int32_t) output);
-        remote()->transact(STREAM_VOLUME, data, &reply);
-        return reply.readFloat();
-    }
-
-    virtual bool streamMute(audio_stream_type_t stream) const
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32((int32_t) stream);
-        remote()->transact(STREAM_MUTE, data, &reply);
-        return reply.readInt32();
-    }
-
-    virtual status_t setMode(audio_mode_t mode)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32(mode);
-        remote()->transact(SET_MODE, data, &reply);
-        return reply.readInt32();
-    }
-
-    virtual status_t setMicMute(bool state)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32(state);
-        remote()->transact(SET_MIC_MUTE, data, &reply);
-        return reply.readInt32();
-    }
-
-    virtual bool getMicMute() const
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        remote()->transact(GET_MIC_MUTE, data, &reply);
-        return reply.readInt32();
-    }
-
-    virtual void setRecordSilenced(audio_port_handle_t portId, bool silenced)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32(portId);
-        data.writeInt32(silenced ? 1 : 0);
-        remote()->transact(SET_RECORD_SILENCED, data, &reply);
-    }
-
-    virtual status_t setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32((int32_t) ioHandle);
-        data.writeString8(keyValuePairs);
-        remote()->transact(SET_PARAMETERS, data, &reply);
-        return reply.readInt32();
-    }
-
-    virtual String8 getParameters(audio_io_handle_t ioHandle, const String8& keys) const
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32((int32_t) ioHandle);
-        data.writeString8(keys);
-        remote()->transact(GET_PARAMETERS, data, &reply);
-        return reply.readString8();
-    }
-
-    virtual void registerClient(const sp<media::IAudioFlingerClient>& client)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeStrongBinder(IInterface::asBinder(client));
-        remote()->transact(REGISTER_CLIENT, data, &reply);
-    }
-
-    virtual size_t getInputBufferSize(uint32_t sampleRate, audio_format_t format,
-            audio_channel_mask_t channelMask) const
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32(sampleRate);
-        data.writeInt32(format);
-        data.writeInt32(channelMask);
-        remote()->transact(GET_INPUTBUFFERSIZE, data, &reply);
-        return reply.readInt64();
-    }
-
-    virtual status_t openOutput(const media::OpenOutputRequest& request,
-                                media::OpenOutputResponse* response)
-    {
-        status_t status;
-        Parcel data, reply;
-        return data.writeParcelable(request)
-                ?: remote()->transact(OPEN_OUTPUT, data, &reply)
-                ?: data.readInt32(&status)
-                ?: status
-                ?: data.readParcelable(response);
-    }
-
-    virtual audio_io_handle_t openDuplicateOutput(audio_io_handle_t output1,
-            audio_io_handle_t output2)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32((int32_t) output1);
-        data.writeInt32((int32_t) output2);
-        remote()->transact(OPEN_DUPLICATE_OUTPUT, data, &reply);
-        return (audio_io_handle_t) reply.readInt32();
-    }
-
-    virtual status_t closeOutput(audio_io_handle_t output)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32((int32_t) output);
-        remote()->transact(CLOSE_OUTPUT, data, &reply);
-        return reply.readInt32();
-    }
-
-    virtual status_t suspendOutput(audio_io_handle_t output)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32((int32_t) output);
-        remote()->transact(SUSPEND_OUTPUT, data, &reply);
-        return reply.readInt32();
-    }
-
-    virtual status_t restoreOutput(audio_io_handle_t output)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32((int32_t) output);
-        remote()->transact(RESTORE_OUTPUT, data, &reply);
-        return reply.readInt32();
-    }
-
-    virtual status_t openInput(const media::OpenInputRequest& request,
-                               media::OpenInputResponse* response)
-    {
-        Parcel data, reply;
-        status_t status;
-        return data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor())
-            ?: data.writeParcelable(request)
-            ?: remote()->transact(OPEN_INPUT, data, &reply)
-            ?: reply.readInt32(&status)
-            ?: status
-            ?: reply.readParcelable(response);
-    }
-
-    virtual status_t closeInput(int input)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32(input);
-        remote()->transact(CLOSE_INPUT, data, &reply);
-        return reply.readInt32();
-    }
-
-    virtual status_t invalidateStream(audio_stream_type_t stream)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32((int32_t) stream);
-        remote()->transact(INVALIDATE_STREAM, data, &reply);
-        return reply.readInt32();
-    }
-
-    virtual status_t setVoiceVolume(float volume)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeFloat(volume);
-        remote()->transact(SET_VOICE_VOLUME, data, &reply);
-        return reply.readInt32();
-    }
-
-    virtual status_t getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames,
-            audio_io_handle_t output) const
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32((int32_t) output);
-        remote()->transact(GET_RENDER_POSITION, data, &reply);
-        status_t status = reply.readInt32();
-        if (status == NO_ERROR) {
-            uint32_t tmp = reply.readInt32();
-            if (halFrames != NULL) {
-                *halFrames = tmp;
-            }
-            tmp = reply.readInt32();
-            if (dspFrames != NULL) {
-                *dspFrames = tmp;
-            }
-        }
-        return status;
-    }
-
-    virtual uint32_t getInputFramesLost(audio_io_handle_t ioHandle) const
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32((int32_t) ioHandle);
-        status_t status = remote()->transact(GET_INPUT_FRAMES_LOST, data, &reply);
-        if (status != NO_ERROR) {
-            return 0;
-        }
-        return (uint32_t) reply.readInt32();
-    }
-
-    virtual audio_unique_id_t newAudioUniqueId(audio_unique_id_use_t use)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32((int32_t) use);
-        status_t status = remote()->transact(NEW_AUDIO_UNIQUE_ID, data, &reply);
-        audio_unique_id_t id = AUDIO_UNIQUE_ID_ALLOCATE;
-        if (status == NO_ERROR) {
-            id = reply.readInt32();
-        }
-        return id;
-    }
-
-    void acquireAudioSessionId(audio_session_t audioSession, pid_t pid, uid_t uid) override
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32(audioSession);
-        data.writeInt32((int32_t)pid);
-        data.writeInt32((int32_t)uid);
-        remote()->transact(ACQUIRE_AUDIO_SESSION_ID, data, &reply);
-    }
-
-    virtual void releaseAudioSessionId(audio_session_t audioSession, int pid)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32(audioSession);
-        data.writeInt32(pid);
-        remote()->transact(RELEASE_AUDIO_SESSION_ID, data, &reply);
-    }
-
-    virtual status_t queryNumberEffects(uint32_t *numEffects) const
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        status_t status = remote()->transact(QUERY_NUM_EFFECTS, data, &reply);
-        if (status != NO_ERROR) {
-            return status;
-        }
-        status = reply.readInt32();
-        if (status != NO_ERROR) {
-            return status;
-        }
-        if (numEffects != NULL) {
-            *numEffects = (uint32_t)reply.readInt32();
-        }
-        return NO_ERROR;
-    }
-
-    virtual status_t queryEffect(uint32_t index, effect_descriptor_t *pDescriptor) const
-    {
-        if (pDescriptor == NULL) {
-            return BAD_VALUE;
-        }
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32(index);
-        status_t status = remote()->transact(QUERY_EFFECT, data, &reply);
-        if (status != NO_ERROR) {
-            return status;
-        }
-        status = reply.readInt32();
-        if (status != NO_ERROR) {
-            return status;
-        }
-        reply.read(pDescriptor, sizeof(effect_descriptor_t));
-        return NO_ERROR;
-    }
-
-    virtual status_t getEffectDescriptor(const effect_uuid_t *pUuid,
-                                         const effect_uuid_t *pType,
-                                         uint32_t preferredTypeFlag,
-                                         effect_descriptor_t *pDescriptor) const
-    {
-        if (pUuid == NULL || pType == NULL || pDescriptor == NULL) {
-            return BAD_VALUE;
-        }
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.write(pUuid, sizeof(effect_uuid_t));
-        data.write(pType, sizeof(effect_uuid_t));
-        data.writeUint32(preferredTypeFlag);
-        status_t status = remote()->transact(GET_EFFECT_DESCRIPTOR, data, &reply);
-        if (status != NO_ERROR) {
-            return status;
-        }
-        status = reply.readInt32();
-        if (status != NO_ERROR) {
-            return status;
-        }
-        reply.read(pDescriptor, sizeof(effect_descriptor_t));
-        return NO_ERROR;
-    }
-
-    virtual status_t createEffect(const media::CreateEffectRequest& request,
-                                  media::CreateEffectResponse* response)
-    {
-        Parcel data, reply;
-        sp<media::IEffect> effect;
-        if (response == nullptr) {
-            return BAD_VALUE;
-        }
-        status_t status;
-        status_t lStatus = data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor())
-                           ?: data.writeParcelable(request)
-                           ?: remote()->transact(CREATE_EFFECT, data, &reply)
-                           ?: reply.readInt32(&status)
-                           ?: reply.readParcelable(response)
-                           ?: status;
-        if (lStatus != NO_ERROR) {
-            ALOGE("createEffect error: %s", strerror(-lStatus));
-        }
-        return lStatus;
-    }
-
-    virtual status_t moveEffects(audio_session_t session, audio_io_handle_t srcOutput,
-            audio_io_handle_t dstOutput)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32(session);
-        data.writeInt32((int32_t) srcOutput);
-        data.writeInt32((int32_t) dstOutput);
-        remote()->transact(MOVE_EFFECTS, data, &reply);
-        return reply.readInt32();
-    }
-
-    virtual void setEffectSuspended(int effectId,
-                                    audio_session_t sessionId,
-                                    bool suspended)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32(effectId);
-        data.writeInt32(sessionId);
-        data.writeInt32(suspended ? 1 : 0);
-        remote()->transact(SET_EFFECT_SUSPENDED, data, &reply);
-    }
-
-    virtual audio_module_handle_t loadHwModule(const char *name)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeCString(name);
-        remote()->transact(LOAD_HW_MODULE, data, &reply);
-        return (audio_module_handle_t) reply.readInt32();
-    }
-
-    virtual uint32_t getPrimaryOutputSamplingRate()
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        remote()->transact(GET_PRIMARY_OUTPUT_SAMPLING_RATE, data, &reply);
-        return reply.readInt32();
-    }
-
-    virtual size_t getPrimaryOutputFrameCount()
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        remote()->transact(GET_PRIMARY_OUTPUT_FRAME_COUNT, data, &reply);
-        return reply.readInt64();
-    }
-
-    virtual status_t setLowRamDevice(bool isLowRamDevice, int64_t totalMemory) override
-    {
-        Parcel data, reply;
-
-        static_assert(NO_ERROR == 0, "NO_ERROR must be 0");
-        return data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor())
-                ?: data.writeInt32((int) isLowRamDevice)
-                ?: data.writeInt64(totalMemory)
-                ?: remote()->transact(SET_LOW_RAM_DEVICE, data, &reply)
-                ?: reply.readInt32();
-    }
-
-    virtual status_t listAudioPorts(unsigned int *num_ports,
-                                    struct audio_port *ports)
-    {
-        if (num_ports == NULL || *num_ports == 0 || ports == NULL) {
-            return BAD_VALUE;
-        }
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32(*num_ports);
-        status_t status = remote()->transact(LIST_AUDIO_PORTS, data, &reply);
-        if (status != NO_ERROR ||
-                (status = (status_t)reply.readInt32()) != NO_ERROR) {
-            return status;
-        }
-        *num_ports = (unsigned int)reply.readInt32();
-        reply.read(ports, *num_ports * sizeof(struct audio_port));
-        return status;
-    }
-    virtual status_t getAudioPort(struct audio_port_v7 *port)
-    {
-        if (port == nullptr) {
-            return BAD_VALUE;
-        }
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.write(port, sizeof(struct audio_port_v7));
-        status_t status = remote()->transact(GET_AUDIO_PORT, data, &reply);
-        if (status != NO_ERROR ||
-                (status = (status_t)reply.readInt32()) != NO_ERROR) {
-            return status;
-        }
-        reply.read(port, sizeof(struct audio_port));
-        return status;
-    }
-    virtual status_t createAudioPatch(const struct audio_patch *patch,
-                                       audio_patch_handle_t *handle)
-    {
-        if (patch == NULL || handle == NULL) {
-            return BAD_VALUE;
-        }
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.write(patch, sizeof(struct audio_patch));
-        data.write(handle, sizeof(audio_patch_handle_t));
-        status_t status = remote()->transact(CREATE_AUDIO_PATCH, data, &reply);
-        if (status != NO_ERROR ||
-                (status = (status_t)reply.readInt32()) != NO_ERROR) {
-            return status;
-        }
-        reply.read(handle, sizeof(audio_patch_handle_t));
-        return status;
-    }
-    virtual status_t releaseAudioPatch(audio_patch_handle_t handle)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.write(&handle, sizeof(audio_patch_handle_t));
-        status_t status = remote()->transact(RELEASE_AUDIO_PATCH, data, &reply);
-        if (status != NO_ERROR) {
-            status = (status_t)reply.readInt32();
-        }
-        return status;
-    }
-    virtual status_t listAudioPatches(unsigned int *num_patches,
-                                      struct audio_patch *patches)
-    {
-        if (num_patches == NULL || *num_patches == 0 || patches == NULL) {
-            return BAD_VALUE;
-        }
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32(*num_patches);
-        status_t status = remote()->transact(LIST_AUDIO_PATCHES, data, &reply);
-        if (status != NO_ERROR ||
-                (status = (status_t)reply.readInt32()) != NO_ERROR) {
-            return status;
-        }
-        *num_patches = (unsigned int)reply.readInt32();
-        reply.read(patches, *num_patches * sizeof(struct audio_patch));
-        return status;
-    }
-    virtual status_t setAudioPortConfig(const struct audio_port_config *config)
-    {
-        if (config == NULL) {
-            return BAD_VALUE;
-        }
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.write(config, sizeof(struct audio_port_config));
-        status_t status = remote()->transact(SET_AUDIO_PORT_CONFIG, data, &reply);
-        if (status != NO_ERROR) {
-            status = (status_t)reply.readInt32();
-        }
-        return status;
-    }
-    virtual audio_hw_sync_t getAudioHwSyncForSession(audio_session_t sessionId)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32(sessionId);
-        status_t status = remote()->transact(GET_AUDIO_HW_SYNC_FOR_SESSION, data, &reply);
-        if (status != NO_ERROR) {
-            return AUDIO_HW_SYNC_INVALID;
-        }
-        return (audio_hw_sync_t)reply.readInt32();
-    }
-    virtual status_t systemReady()
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        return remote()->transact(SYSTEM_READY, data, &reply, IBinder::FLAG_ONEWAY);
-    }
-    virtual size_t frameCountHAL(audio_io_handle_t ioHandle) const
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32((int32_t) ioHandle);
-        status_t status = remote()->transact(FRAME_COUNT_HAL, data, &reply);
-        if (status != NO_ERROR) {
-            return 0;
-        }
-        return reply.readInt64();
-    }
-    virtual status_t getMicrophones(std::vector<media::MicrophoneInfo> *microphones)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        status_t status = remote()->transact(GET_MICROPHONES, data, &reply);
-        if (status != NO_ERROR ||
-                (status = (status_t)reply.readInt32()) != NO_ERROR) {
-            return status;
-        }
-        status = reply.readParcelableVector(microphones);
-        return status;
-    }
-    virtual status_t setAudioHalPids(const std::vector<pid_t>& pids)
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
-        data.writeInt32(pids.size());
-        for (auto pid : pids) {
-            data.writeInt32(pid);
-        }
-        status_t status = remote()->transact(SET_AUDIO_HAL_PIDS, data, &reply);
-        if (status != NO_ERROR) {
-            return status;
-        }
-        return static_cast <status_t> (reply.readInt32());
-    }
-};
-
-IMPLEMENT_META_INTERFACE(AudioFlinger, "android.media.IAudioFlinger");
-
-// ----------------------------------------------------------------------
-
-status_t BnAudioFlinger::onTransact(
-    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
-{
-    switch (code) {
-        case CREATE_TRACK: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-
-            media::CreateTrackRequest input;
-            if (data.readParcelable(&input) != NO_ERROR) {
-                reply->writeInt32(DEAD_OBJECT);
-                return NO_ERROR;
-            }
-
-            status_t status;
-            media::CreateTrackResponse output;
-
-            status = createTrack(input, output);
-
-            LOG_ALWAYS_FATAL_IF((output.audioTrack != 0) != (status == NO_ERROR));
-            reply->writeInt32(status);
-            if (status != NO_ERROR) {
-                return NO_ERROR;
-            }
-            output.writeToParcel(reply);
-            return NO_ERROR;
-        } break;
-        case CREATE_RECORD: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-
-            media::CreateRecordRequest input;
-            if (data.readParcelable(&input) != NO_ERROR) {
-                reply->writeInt32(DEAD_OBJECT);
-                return NO_ERROR;
-            }
-
-            status_t status;
-            media::CreateRecordResponse output;
-
-            status = createRecord(input, output);
-
-            LOG_ALWAYS_FATAL_IF((output.audioRecord != 0) != (status == NO_ERROR));
-            reply->writeInt32(status);
-            if (status != NO_ERROR) {
-                return NO_ERROR;
-            }
-            output.writeToParcel(reply);
-            return NO_ERROR;
-        } break;
-        case SAMPLE_RATE: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            reply->writeInt32( sampleRate((audio_io_handle_t) data.readInt32()) );
-            return NO_ERROR;
-        } break;
-
-        // RESERVED for channelCount()
-
-        case FORMAT: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            reply->writeInt32( format((audio_io_handle_t) data.readInt32()) );
-            return NO_ERROR;
-        } break;
-        case FRAME_COUNT: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            reply->writeInt64( frameCount((audio_io_handle_t) data.readInt32()) );
-            return NO_ERROR;
-        } break;
-        case LATENCY: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            reply->writeInt32( latency((audio_io_handle_t) data.readInt32()) );
-            return NO_ERROR;
-        } break;
-        case SET_MASTER_VOLUME: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            reply->writeInt32( setMasterVolume(data.readFloat()) );
-            return NO_ERROR;
-        } break;
-        case SET_MASTER_MUTE: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            reply->writeInt32( setMasterMute(data.readInt32()) );
-            return NO_ERROR;
-        } break;
-        case MASTER_VOLUME: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            reply->writeFloat( masterVolume() );
-            return NO_ERROR;
-        } break;
-        case MASTER_MUTE: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            reply->writeInt32( masterMute() );
-            return NO_ERROR;
-        } break;
-        case SET_MASTER_BALANCE: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            reply->writeInt32( setMasterBalance(data.readFloat()) );
-            return NO_ERROR;
-        } break;
-        case GET_MASTER_BALANCE: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            float f;
-            const status_t status = getMasterBalance(&f);
-            reply->writeInt32((int32_t)status);
-            if (status == NO_ERROR) {
-                (void)reply->writeFloat(f);
-            }
-            return NO_ERROR;
-        } break;
-        case SET_STREAM_VOLUME: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            int stream = data.readInt32();
-            float volume = data.readFloat();
-            audio_io_handle_t output = (audio_io_handle_t) data.readInt32();
-            reply->writeInt32( setStreamVolume((audio_stream_type_t) stream, volume, output) );
-            return NO_ERROR;
-        } break;
-        case SET_STREAM_MUTE: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            int stream = data.readInt32();
-            reply->writeInt32( setStreamMute((audio_stream_type_t) stream, data.readInt32()) );
-            return NO_ERROR;
-        } break;
-        case STREAM_VOLUME: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            int stream = data.readInt32();
-            int output = data.readInt32();
-            reply->writeFloat( streamVolume((audio_stream_type_t) stream, output) );
-            return NO_ERROR;
-        } break;
-        case STREAM_MUTE: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            int stream = data.readInt32();
-            reply->writeInt32( streamMute((audio_stream_type_t) stream) );
-            return NO_ERROR;
-        } break;
-        case SET_MODE: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            audio_mode_t mode = (audio_mode_t) data.readInt32();
-            reply->writeInt32( setMode(mode) );
-            return NO_ERROR;
-        } break;
-        case SET_MIC_MUTE: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            int state = data.readInt32();
-            reply->writeInt32( setMicMute(state) );
-            return NO_ERROR;
-        } break;
-        case GET_MIC_MUTE: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            reply->writeInt32( getMicMute() );
-            return NO_ERROR;
-        } break;
-        case SET_RECORD_SILENCED: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            audio_port_handle_t portId = data.readInt32();
-            bool silenced = data.readInt32() == 1;
-            setRecordSilenced(portId, silenced);
-            return NO_ERROR;
-        } break;
-        case SET_PARAMETERS: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            audio_io_handle_t ioHandle = (audio_io_handle_t) data.readInt32();
-            String8 keyValuePairs(data.readString8());
-            reply->writeInt32(setParameters(ioHandle, keyValuePairs));
-            return NO_ERROR;
-        } break;
-        case GET_PARAMETERS: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            audio_io_handle_t ioHandle = (audio_io_handle_t) data.readInt32();
-            String8 keys(data.readString8());
-            reply->writeString8(getParameters(ioHandle, keys));
-            return NO_ERROR;
-        } break;
-
-        case REGISTER_CLIENT: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            sp<media::IAudioFlingerClient> client = interface_cast<media::IAudioFlingerClient>(
-                    data.readStrongBinder());
-            registerClient(client);
-            return NO_ERROR;
-        } break;
-        case GET_INPUTBUFFERSIZE: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            uint32_t sampleRate = data.readInt32();
-            audio_format_t format = (audio_format_t) data.readInt32();
-            audio_channel_mask_t channelMask = (audio_channel_mask_t) data.readInt32();
-            reply->writeInt64( getInputBufferSize(sampleRate, format, channelMask) );
-            return NO_ERROR;
-        } break;
-        case OPEN_OUTPUT: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            status_t status;
-            media::OpenOutputRequest request;
-            media::OpenOutputResponse response;
-            return data.readParcelable(&request)
-                ?: (status = openOutput(request, &response), OK)
-                ?: reply->writeInt32(status)
-                ?: reply->writeParcelable(response);
-        } break;
-        case OPEN_DUPLICATE_OUTPUT: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            audio_io_handle_t output1 = (audio_io_handle_t) data.readInt32();
-            audio_io_handle_t output2 = (audio_io_handle_t) data.readInt32();
-            reply->writeInt32((int32_t) openDuplicateOutput(output1, output2));
-            return NO_ERROR;
-        } break;
-        case CLOSE_OUTPUT: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            reply->writeInt32(closeOutput((audio_io_handle_t) data.readInt32()));
-            return NO_ERROR;
-        } break;
-        case SUSPEND_OUTPUT: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            reply->writeInt32(suspendOutput((audio_io_handle_t) data.readInt32()));
-            return NO_ERROR;
-        } break;
-        case RESTORE_OUTPUT: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            reply->writeInt32(restoreOutput((audio_io_handle_t) data.readInt32()));
-            return NO_ERROR;
-        } break;
-        case OPEN_INPUT: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            media::OpenInputRequest request;
-            media::OpenInputResponse response;
-            status_t status;
-            return data.readParcelable(&request)
-                ?: (status = openInput(request, &response), OK)
-                ?: reply->writeInt32(status)
-                ?: reply->writeParcelable(response);
-        } break;
-        case CLOSE_INPUT: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            reply->writeInt32(closeInput((audio_io_handle_t) data.readInt32()));
-            return NO_ERROR;
-        } break;
-        case INVALIDATE_STREAM: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            audio_stream_type_t stream = (audio_stream_type_t) data.readInt32();
-            reply->writeInt32(invalidateStream(stream));
-            return NO_ERROR;
-        } break;
-        case SET_VOICE_VOLUME: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            float volume = data.readFloat();
-            reply->writeInt32( setVoiceVolume(volume) );
-            return NO_ERROR;
-        } break;
-        case GET_RENDER_POSITION: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            audio_io_handle_t output = (audio_io_handle_t) data.readInt32();
-            uint32_t halFrames = 0;
-            uint32_t dspFrames = 0;
-            status_t status = getRenderPosition(&halFrames, &dspFrames, output);
-            reply->writeInt32(status);
-            if (status == NO_ERROR) {
-                reply->writeInt32(halFrames);
-                reply->writeInt32(dspFrames);
-            }
-            return NO_ERROR;
-        }
-        case GET_INPUT_FRAMES_LOST: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            audio_io_handle_t ioHandle = (audio_io_handle_t) data.readInt32();
-            reply->writeInt32((int32_t) getInputFramesLost(ioHandle));
-            return NO_ERROR;
-        } break;
-        case NEW_AUDIO_UNIQUE_ID: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            reply->writeInt32(newAudioUniqueId((audio_unique_id_use_t) data.readInt32()));
-            return NO_ERROR;
-        } break;
-        case ACQUIRE_AUDIO_SESSION_ID: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            audio_session_t audioSession = (audio_session_t) data.readInt32();
-            const pid_t pid = (pid_t)data.readInt32();
-            const uid_t uid = (uid_t)data.readInt32();
-            acquireAudioSessionId(audioSession, pid, uid);
-            return NO_ERROR;
-        } break;
-        case RELEASE_AUDIO_SESSION_ID: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            audio_session_t audioSession = (audio_session_t) data.readInt32();
-            int pid = data.readInt32();
-            releaseAudioSessionId(audioSession, pid);
-            return NO_ERROR;
-        } break;
-        case QUERY_NUM_EFFECTS: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            uint32_t numEffects = 0;
-            status_t status = queryNumberEffects(&numEffects);
-            reply->writeInt32(status);
-            if (status == NO_ERROR) {
-                reply->writeInt32((int32_t)numEffects);
-            }
-            return NO_ERROR;
-        }
-        case QUERY_EFFECT: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            effect_descriptor_t desc = {};
-            status_t status = queryEffect(data.readInt32(), &desc);
-            reply->writeInt32(status);
-            if (status == NO_ERROR) {
-                reply->write(&desc, sizeof(effect_descriptor_t));
-            }
-            return NO_ERROR;
-        }
-        case GET_EFFECT_DESCRIPTOR: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            effect_uuid_t uuid = {};
-            if (data.read(&uuid, sizeof(effect_uuid_t)) != NO_ERROR) {
-                android_errorWriteLog(0x534e4554, "139417189");
-            }
-            effect_uuid_t type = {};
-            if (data.read(&type, sizeof(effect_uuid_t)) != NO_ERROR) {
-                android_errorWriteLog(0x534e4554, "139417189");
-            }
-            uint32_t preferredTypeFlag = data.readUint32();
-            effect_descriptor_t desc = {};
-            status_t status = getEffectDescriptor(&uuid, &type, preferredTypeFlag, &desc);
-            reply->writeInt32(status);
-            if (status == NO_ERROR) {
-                reply->write(&desc, sizeof(effect_descriptor_t));
-            }
-            return NO_ERROR;
-        }
-        case CREATE_EFFECT: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-
-            media::CreateEffectRequest request;
-            media::CreateEffectResponse response;
-
-            return data.readParcelable(&request)
-                ?: reply->writeInt32(createEffect(request, &response))
-                ?: reply->writeParcelable(response);
-        } break;
-        case MOVE_EFFECTS: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            audio_session_t session = (audio_session_t) data.readInt32();
-            audio_io_handle_t srcOutput = (audio_io_handle_t) data.readInt32();
-            audio_io_handle_t dstOutput = (audio_io_handle_t) data.readInt32();
-            reply->writeInt32(moveEffects(session, srcOutput, dstOutput));
-            return NO_ERROR;
-        } break;
-        case SET_EFFECT_SUSPENDED: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            int effectId = data.readInt32();
-            audio_session_t sessionId = (audio_session_t) data.readInt32();
-            bool suspended = data.readInt32() == 1;
-            setEffectSuspended(effectId, sessionId, suspended);
-            return NO_ERROR;
-        } break;
-        case LOAD_HW_MODULE: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            reply->writeInt32(loadHwModule(data.readCString()));
-            return NO_ERROR;
-        } break;
-        case GET_PRIMARY_OUTPUT_SAMPLING_RATE: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            reply->writeInt32(getPrimaryOutputSamplingRate());
-            return NO_ERROR;
-        } break;
-        case GET_PRIMARY_OUTPUT_FRAME_COUNT: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            reply->writeInt64(getPrimaryOutputFrameCount());
-            return NO_ERROR;
-        } break;
-        case SET_LOW_RAM_DEVICE: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            int32_t isLowRamDevice;
-            int64_t totalMemory;
-            const status_t status =
-                    data.readInt32(&isLowRamDevice) ?:
-                    data.readInt64(&totalMemory) ?:
-                    setLowRamDevice(isLowRamDevice != 0, totalMemory);
-            (void)reply->writeInt32(status);
-            return NO_ERROR;
-        } break;
-        case LIST_AUDIO_PORTS: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            unsigned int numPortsReq = data.readInt32();
-            if (numPortsReq > MAX_ITEMS_PER_LIST) {
-                numPortsReq = MAX_ITEMS_PER_LIST;
-            }
-            unsigned int numPorts = numPortsReq;
-            struct audio_port *ports =
-                    (struct audio_port *)calloc(numPortsReq,
-                                                           sizeof(struct audio_port));
-            if (ports == NULL) {
-                reply->writeInt32(NO_MEMORY);
-                reply->writeInt32(0);
-                return NO_ERROR;
-            }
-            status_t status = listAudioPorts(&numPorts, ports);
-            reply->writeInt32(status);
-            reply->writeInt32(numPorts);
-            if (status == NO_ERROR) {
-                if (numPortsReq > numPorts) {
-                    numPortsReq = numPorts;
-                }
-                reply->write(ports, numPortsReq * sizeof(struct audio_port));
-            }
-            free(ports);
-            return NO_ERROR;
-        } break;
-        case GET_AUDIO_PORT: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            struct audio_port_v7 port = {};
-            status_t status = data.read(&port, sizeof(struct audio_port));
-            if (status != NO_ERROR) {
-                ALOGE("b/23905951");
-                return status;
-            }
-            reply->writeInt32(status);
-            if (status == NO_ERROR) {
-                reply->write(&port, sizeof(struct audio_port_v7));
-            }
-            return NO_ERROR;
-        } break;
-        case CREATE_AUDIO_PATCH: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            struct audio_patch patch;
-            status_t status = data.read(&patch, sizeof(struct audio_patch));
-            if (status != NO_ERROR) {
-                return status;
-            }
-            audio_patch_handle_t handle = AUDIO_PATCH_HANDLE_NONE;
-            status = data.read(&handle, sizeof(audio_patch_handle_t));
-            if (status != NO_ERROR) {
-                ALOGE("b/23905951");
-                return status;
-            }
-            reply->writeInt32(status);
-            if (status == NO_ERROR) {
-                reply->write(&handle, sizeof(audio_patch_handle_t));
-            }
-            return NO_ERROR;
-        } break;
-        case RELEASE_AUDIO_PATCH: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            audio_patch_handle_t handle;
-            data.read(&handle, sizeof(audio_patch_handle_t));
-            status_t status = releaseAudioPatch(handle);
-            reply->writeInt32(status);
-            return NO_ERROR;
-        } break;
-        case LIST_AUDIO_PATCHES: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            unsigned int numPatchesReq = data.readInt32();
-            if (numPatchesReq > MAX_ITEMS_PER_LIST) {
-                numPatchesReq = MAX_ITEMS_PER_LIST;
-            }
-            unsigned int numPatches = numPatchesReq;
-            struct audio_patch *patches =
-                    (struct audio_patch *)calloc(numPatchesReq,
-                                                 sizeof(struct audio_patch));
-            if (patches == NULL) {
-                reply->writeInt32(NO_MEMORY);
-                reply->writeInt32(0);
-                return NO_ERROR;
-            }
-            status_t status = listAudioPatches(&numPatches, patches);
-            reply->writeInt32(status);
-            reply->writeInt32(numPatches);
-            if (status == NO_ERROR) {
-                if (numPatchesReq > numPatches) {
-                    numPatchesReq = numPatches;
-                }
-                reply->write(patches, numPatchesReq * sizeof(struct audio_patch));
-            }
-            free(patches);
-            return NO_ERROR;
-        } break;
-        case SET_AUDIO_PORT_CONFIG: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            struct audio_port_config config;
-            status_t status = data.read(&config, sizeof(struct audio_port_config));
-            if (status != NO_ERROR) {
-                return status;
-            }
-            reply->writeInt32(status);
-            return NO_ERROR;
-        } break;
-        case GET_AUDIO_HW_SYNC_FOR_SESSION: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            reply->writeInt32(getAudioHwSyncForSession((audio_session_t) data.readInt32()));
-            return NO_ERROR;
-        } break;
-        case SYSTEM_READY: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            systemReady();
-            return NO_ERROR;
-        } break;
-        case FRAME_COUNT_HAL: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            reply->writeInt64( frameCountHAL((audio_io_handle_t) data.readInt32()) );
-            return NO_ERROR;
-        } break;
-        case GET_MICROPHONES: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            std::vector<media::MicrophoneInfo> microphones;
-            status_t status = getMicrophones(&microphones);
-            reply->writeInt32(status);
-            if (status == NO_ERROR) {
-                reply->writeParcelableVector(microphones);
-            }
-            return NO_ERROR;
-        }
-        case SET_AUDIO_HAL_PIDS: {
-            CHECK_INTERFACE(IAudioFlinger, data, reply);
-            std::vector<pid_t> pids;
-            int32_t size;
-            status_t status = data.readInt32(&size);
-            if (status != NO_ERROR) {
-                return status;
-            }
-            if (size < 0) {
-                return BAD_VALUE;
-            }
-            if (size > MAX_ITEMS_PER_LIST) {
-                size = MAX_ITEMS_PER_LIST;
-            }
-            for (int32_t i = 0; i < size; i++) {
-                int32_t pid;
-                status =  data.readInt32(&pid);
-                if (status != NO_ERROR) {
-                    return status;
-                }
-                pids.push_back(pid);
-            }
-            reply->writeInt32(setAudioHalPids(pids));
-            return NO_ERROR;
-        }
-        default:
-            return BBinder::onTransact(code, data, reply, flags);
-    }
+status_t AudioFlingerClientAdapter::createTrack(const media::CreateTrackRequest& input,
+                                                media::CreateTrackResponse& output) {
+    return mDelegate->createTrack(input, &output).transactionError();
 }
 
-// ----------------------------------------------------------------------------
+status_t AudioFlingerClientAdapter::createRecord(const media::CreateRecordRequest& input,
+                                                 media::CreateRecordResponse& output) {
+    return mDelegate->createRecord(input, &output).transactionError();
+}
+
+uint32_t AudioFlingerClientAdapter::sampleRate(audio_io_handle_t ioHandle) const {
+    auto result = [&]() -> ConversionResult<uint32_t> {
+        int32_t ioHandleAidl = VALUE_OR_RETURN(legacy2aidl_audio_io_handle_t_int32_t(ioHandle));
+        int32_t aidlRet;
+        RETURN_IF_ERROR(mDelegate->sampleRate(ioHandleAidl, &aidlRet).transactionError());
+        return convertIntegral<uint32_t>(aidlRet);
+    }();
+    // Failure is ignored.
+    return result.value_or(0);
+}
+
+audio_format_t AudioFlingerClientAdapter::format(audio_io_handle_t output) const {
+    auto result = [&]() -> ConversionResult<audio_format_t> {
+        int32_t outputAidl = VALUE_OR_RETURN(legacy2aidl_audio_io_handle_t_int32_t(output));
+        media::audio::common::AudioFormat aidlRet;
+        RETURN_IF_ERROR(mDelegate->format(outputAidl, &aidlRet).transactionError());
+        return aidl2legacy_AudioFormat_audio_format_t(aidlRet);
+    }();
+    return result.value_or(AUDIO_FORMAT_INVALID);
+}
+
+size_t AudioFlingerClientAdapter::frameCount(audio_io_handle_t ioHandle) const {
+    auto result = [&]() -> ConversionResult<size_t> {
+        int32_t ioHandleAidl = VALUE_OR_RETURN(legacy2aidl_audio_io_handle_t_int32_t(ioHandle));
+        int64_t aidlRet;
+        RETURN_IF_ERROR(mDelegate->frameCount(ioHandleAidl, &aidlRet).transactionError());
+        return convertIntegral<size_t>(aidlRet);
+    }();
+    // Failure is ignored.
+    return result.value_or(0);
+}
+
+uint32_t AudioFlingerClientAdapter::latency(audio_io_handle_t output) const {
+    auto result = [&]() -> ConversionResult<uint32_t> {
+        int32_t outputAidl = VALUE_OR_RETURN(legacy2aidl_audio_io_handle_t_int32_t(output));
+        int32_t aidlRet;
+        RETURN_IF_ERROR(mDelegate->latency(outputAidl, &aidlRet).transactionError());
+        return convertIntegral<uint32_t>(aidlRet);
+    }();
+    // Failure is ignored.
+    return result.value_or(0);
+}
+
+status_t AudioFlingerClientAdapter::setMasterVolume(float value) {
+    return mDelegate->setMasterVolume(value).transactionError();
+}
+
+status_t AudioFlingerClientAdapter::setMasterMute(bool muted) {
+    return mDelegate->setMasterMute(muted).transactionError();
+}
+
+float AudioFlingerClientAdapter::masterVolume() const {
+    auto result = [&]() -> ConversionResult<float> {
+        float aidlRet;
+        RETURN_IF_ERROR(mDelegate->masterVolume(&aidlRet).transactionError());
+        return aidlRet;
+    }();
+    // Failure is ignored.
+    return result.value_or(0.f);
+}
+
+bool AudioFlingerClientAdapter::masterMute() const {
+    auto result = [&]() -> ConversionResult<bool> {
+        bool aidlRet;
+        RETURN_IF_ERROR(mDelegate->masterMute(&aidlRet).transactionError());
+        return aidlRet;
+    }();
+    // Failure is ignored.
+    return result.value_or(false);
+}
+
+status_t AudioFlingerClientAdapter::setMasterBalance(float balance) {
+    return mDelegate->setMasterBalance(balance).transactionError();
+}
+
+status_t AudioFlingerClientAdapter::getMasterBalance(float* balance) const{
+    return mDelegate->getMasterBalance(balance).transactionError();
+}
+
+status_t AudioFlingerClientAdapter::setStreamVolume(audio_stream_type_t stream, float value,
+                                                    audio_io_handle_t output) {
+    media::AudioStreamType streamAidl = VALUE_OR_RETURN_STATUS(
+            legacy2aidl_audio_stream_type_t_AudioStreamType(stream));
+    int32_t outputAidl = VALUE_OR_RETURN_STATUS(legacy2aidl_audio_io_handle_t_int32_t(output));
+    return mDelegate->setStreamVolume(streamAidl, value, outputAidl).transactionError();
+}
+
+status_t AudioFlingerClientAdapter::setStreamMute(audio_stream_type_t stream, bool muted) {
+    media::AudioStreamType streamAidl = VALUE_OR_RETURN_STATUS(
+            legacy2aidl_audio_stream_type_t_AudioStreamType(stream));
+    return mDelegate->setStreamMute(streamAidl, muted).transactionError();
+}
+
+float AudioFlingerClientAdapter::streamVolume(audio_stream_type_t stream,
+                                              audio_io_handle_t output) const {
+    auto result = [&]() -> ConversionResult<float> {
+        media::AudioStreamType streamAidl = VALUE_OR_RETURN_STATUS(
+                legacy2aidl_audio_stream_type_t_AudioStreamType(stream));
+        int32_t outputAidl = VALUE_OR_RETURN_STATUS(legacy2aidl_audio_io_handle_t_int32_t(output));
+        float aidlRet;
+        RETURN_IF_ERROR(
+                mDelegate->streamVolume(streamAidl, outputAidl, &aidlRet).transactionError());
+        return aidlRet;
+    }();
+    // Failure is ignored.
+    return result.value_or(0.f);
+}
+
+bool AudioFlingerClientAdapter::streamMute(audio_stream_type_t stream) const {
+    auto result = [&]() -> ConversionResult<bool> {
+        media::AudioStreamType streamAidl = VALUE_OR_RETURN_STATUS(
+                legacy2aidl_audio_stream_type_t_AudioStreamType(stream));
+        bool aidlRet;
+        RETURN_IF_ERROR(
+                mDelegate->streamMute(streamAidl, &aidlRet).transactionError());
+        return aidlRet;
+    }();
+    // Failure is ignored.
+    return result.value_or(false);
+}
+
+status_t AudioFlingerClientAdapter::setMode(audio_mode_t mode) {
+    media::AudioMode modeAidl = VALUE_OR_RETURN_STATUS(legacy2aidl_audio_mode_t_AudioMode(mode));
+    return mDelegate->setMode(modeAidl).transactionError();
+}
+
+status_t AudioFlingerClientAdapter::setMicMute(bool state) {
+    return mDelegate->setMicMute(state).transactionError();
+}
+
+bool AudioFlingerClientAdapter::getMicMute() const {
+    auto result = [&]() -> ConversionResult<bool> {
+        bool aidlRet;
+        RETURN_IF_ERROR(
+                mDelegate->getMicMute(&aidlRet).transactionError());
+        return aidlRet;
+    }();
+    // Failure is ignored.
+    return result.value_or(false);
+}
+
+void AudioFlingerClientAdapter::setRecordSilenced(audio_port_handle_t portId, bool silenced) {
+    auto result = [&]() -> status_t {
+        int32_t portIdAidl = VALUE_OR_RETURN_STATUS(
+                legacy2aidl_audio_port_handle_t_int32_t(portId));
+        return mDelegate->setRecordSilenced(portIdAidl, silenced).transactionError();
+    }();
+    // Failure is ignored.
+    (void) result;
+}
+
+status_t AudioFlingerClientAdapter::setParameters(audio_io_handle_t ioHandle,
+                                                  const String8& keyValuePairs) {
+    int32_t ioHandleAidl = VALUE_OR_RETURN_STATUS(legacy2aidl_audio_io_handle_t_int32_t(ioHandle));
+    std::string keyValuePairsAidl = VALUE_OR_RETURN_STATUS(
+            legacy2aidl_String8_string(keyValuePairs));
+    return mDelegate->setParameters(ioHandleAidl, keyValuePairsAidl).transactionError();
+}
+
+String8 AudioFlingerClientAdapter::getParameters(audio_io_handle_t ioHandle, const String8& keys)
+const {
+    auto result = [&]() -> ConversionResult<String8> {
+        int32_t ioHandleAidl = VALUE_OR_RETURN(legacy2aidl_audio_io_handle_t_int32_t(ioHandle));
+        std::string keysAidl = VALUE_OR_RETURN(legacy2aidl_String8_string(keys));
+        std::string aidlRet;
+        RETURN_IF_ERROR(
+                mDelegate->getParameters(ioHandleAidl, keysAidl, &aidlRet).transactionError());
+        return aidl2legacy_string_view_String8(aidlRet);
+    }();
+    // Failure is ignored.
+    return result.value_or(String8());
+}
+
+void AudioFlingerClientAdapter::registerClient(const sp<media::IAudioFlingerClient>& client) {
+    mDelegate->registerClient(client);
+    // Failure is ignored.
+}
+
+size_t AudioFlingerClientAdapter::getInputBufferSize(uint32_t sampleRate, audio_format_t format,
+                                                     audio_channel_mask_t channelMask) const {
+    auto result = [&]() -> ConversionResult<size_t> {
+        int32_t sampleRateAidl = VALUE_OR_RETURN(convertIntegral<int32_t>(sampleRate));
+        media::audio::common::AudioFormat formatAidl = VALUE_OR_RETURN(
+                legacy2aidl_audio_format_t_AudioFormat(format));
+        int32_t channelMaskAidl = VALUE_OR_RETURN(
+                legacy2aidl_audio_channel_mask_t_int32_t(channelMask));
+        int64_t aidlRet;
+        RETURN_IF_ERROR(
+                mDelegate->getInputBufferSize(sampleRateAidl, formatAidl, channelMaskAidl,
+                                              &aidlRet).transactionError());
+        return convertIntegral<size_t>(aidlRet);
+    }();
+    // Failure is ignored.
+    return result.value_or(0);
+}
+
+status_t AudioFlingerClientAdapter::openOutput(const media::OpenOutputRequest& request,
+                                               media::OpenOutputResponse* response) {
+    return mDelegate->openOutput(request, response).transactionError();
+}
+
+audio_io_handle_t AudioFlingerClientAdapter::openDuplicateOutput(audio_io_handle_t output1,
+                                                                 audio_io_handle_t output2) {
+    auto result = [&]() -> ConversionResult<audio_io_handle_t> {
+        int32_t output1Aidl = VALUE_OR_RETURN(legacy2aidl_audio_io_handle_t_int32_t(output1));
+        int32_t output2Aidl = VALUE_OR_RETURN(legacy2aidl_audio_io_handle_t_int32_t(output2));
+        int32_t aidlRet;
+        RETURN_IF_ERROR(mDelegate->openDuplicateOutput(output1Aidl, output2Aidl,
+                                                       &aidlRet).transactionError());
+        return aidl2legacy_int32_t_audio_io_handle_t(aidlRet);
+    }();
+    // Failure is ignored.
+    return result.value_or(0);
+}
+
+status_t AudioFlingerClientAdapter::closeOutput(audio_io_handle_t output) {
+    int32_t outputAidl = VALUE_OR_RETURN_STATUS(legacy2aidl_audio_io_handle_t_int32_t(output));
+    return mDelegate->closeOutput(outputAidl).transactionError();
+}
+
+status_t AudioFlingerClientAdapter::suspendOutput(audio_io_handle_t output) {
+    int32_t outputAidl = VALUE_OR_RETURN_STATUS(legacy2aidl_audio_io_handle_t_int32_t(output));
+    return mDelegate->suspendOutput(outputAidl).transactionError();
+}
+
+status_t AudioFlingerClientAdapter::restoreOutput(audio_io_handle_t output) {
+    int32_t outputAidl = VALUE_OR_RETURN_STATUS(legacy2aidl_audio_io_handle_t_int32_t(output));
+    return mDelegate->restoreOutput(outputAidl).transactionError();
+}
+
+status_t AudioFlingerClientAdapter::openInput(const media::OpenInputRequest& request,
+                                              media::OpenInputResponse* response) {
+    return mDelegate->openInput(request, response).transactionError();
+}
+
+status_t AudioFlingerClientAdapter::closeInput(audio_io_handle_t input) {
+    int32_t inputAidl = VALUE_OR_RETURN_STATUS(legacy2aidl_audio_io_handle_t_int32_t(input));
+    return mDelegate->closeInput(inputAidl).transactionError();
+}
+
+status_t AudioFlingerClientAdapter::invalidateStream(audio_stream_type_t stream) {
+    media::AudioStreamType streamAidl = VALUE_OR_RETURN_STATUS(
+            legacy2aidl_audio_stream_type_t_AudioStreamType(stream));
+    return mDelegate->invalidateStream(streamAidl).transactionError();
+}
+
+status_t AudioFlingerClientAdapter::setVoiceVolume(float volume) {
+    return mDelegate->setVoiceVolume(volume).transactionError();
+}
+
+status_t AudioFlingerClientAdapter::getRenderPosition(uint32_t* halFrames, uint32_t* dspFrames,
+                                                      audio_io_handle_t output) const {
+    int32_t outputAidl = VALUE_OR_RETURN_STATUS(legacy2aidl_audio_io_handle_t_int32_t(output));
+    media::RenderPosition aidlRet;
+    RETURN_STATUS_IF_ERROR(mDelegate->getRenderPosition(outputAidl, &aidlRet).transactionError());
+    if (halFrames != nullptr) {
+        *halFrames = VALUE_OR_RETURN_STATUS(convertIntegral<uint32_t>(aidlRet.halFrames));
+    }
+    if (dspFrames != nullptr) {
+        *dspFrames = VALUE_OR_RETURN_STATUS(convertIntegral<uint32_t>(aidlRet.dspFrames));
+    }
+    return OK;
+}
+
+uint32_t AudioFlingerClientAdapter::getInputFramesLost(audio_io_handle_t ioHandle) const {
+    auto result = [&]() -> ConversionResult<uint32_t> {
+        int32_t ioHandleAidl = VALUE_OR_RETURN(legacy2aidl_audio_io_handle_t_int32_t(ioHandle));
+        int32_t aidlRet;
+        RETURN_IF_ERROR(mDelegate->getInputFramesLost(ioHandleAidl, &aidlRet).transactionError());
+        return convertIntegral<uint32_t>(aidlRet);
+    }();
+    // Failure is ignored.
+    return result.value_or(0);
+}
+
+audio_unique_id_t AudioFlingerClientAdapter::newAudioUniqueId(audio_unique_id_use_t use) {
+    auto result = [&]() -> ConversionResult<audio_unique_id_t> {
+        media::AudioUniqueIdUse useAidl = VALUE_OR_RETURN(
+                legacy2aidl_audio_unique_id_use_t_AudioUniqueIdUse(use));
+        int32_t aidlRet;
+        RETURN_IF_ERROR(mDelegate->newAudioUniqueId(useAidl, &aidlRet).transactionError());
+        return aidl2legacy_int32_t_audio_unique_id_t(aidlRet);
+    }();
+    return result.value_or(AUDIO_UNIQUE_ID_ALLOCATE);
+}
+
+void AudioFlingerClientAdapter::acquireAudioSessionId(audio_session_t audioSession, pid_t pid,
+                                                      uid_t uid) {
+    [&]() -> status_t {
+        int32_t audioSessionAidl = VALUE_OR_RETURN_STATUS(
+                legacy2aidl_audio_session_t_int32_t(audioSession));
+        int32_t pidAidl = VALUE_OR_RETURN_STATUS(legacy2aidl_pid_t_int32_t(pid));
+        int32_t uidAidl = VALUE_OR_RETURN_STATUS(legacy2aidl_pid_t_int32_t(uid));
+        return mDelegate->acquireAudioSessionId(audioSessionAidl, pidAidl,
+                                                uidAidl).transactionError();
+    }();
+    // Failure is ignored.
+}
+
+void AudioFlingerClientAdapter::releaseAudioSessionId(audio_session_t audioSession, pid_t pid) {
+    [&]() -> status_t {
+        int32_t audioSessionAidl = VALUE_OR_RETURN_STATUS(
+                legacy2aidl_audio_session_t_int32_t(audioSession));
+        int32_t pidAidl = VALUE_OR_RETURN_STATUS(legacy2aidl_pid_t_int32_t(pid));
+        return mDelegate->releaseAudioSessionId(audioSessionAidl, pidAidl).transactionError();
+    }();
+    // Failure is ignored.
+}
+
+status_t AudioFlingerClientAdapter::queryNumberEffects(uint32_t* numEffects) const {
+    int32_t aidlRet;
+    RETURN_STATUS_IF_ERROR(mDelegate->queryNumberEffects(&aidlRet).transactionError());
+    if (numEffects != nullptr) {
+        *numEffects = VALUE_OR_RETURN_STATUS(convertIntegral<uint32_t>(aidlRet));
+    }
+    return OK;
+}
+
+status_t
+AudioFlingerClientAdapter::queryEffect(uint32_t index, effect_descriptor_t* pDescriptor) const {
+    int32_t indexAidl = VALUE_OR_RETURN_STATUS(convertIntegral<int32_t>(index));
+    media::EffectDescriptor aidlRet;
+    RETURN_STATUS_IF_ERROR(mDelegate->queryEffect(indexAidl, &aidlRet).transactionError());
+    if (pDescriptor != nullptr) {
+        *pDescriptor = VALUE_OR_RETURN_STATUS(
+                aidl2legacy_EffectDescriptor_effect_descriptor_t(aidlRet));
+    }
+    return OK;
+}
+
+status_t AudioFlingerClientAdapter::getEffectDescriptor(const effect_uuid_t* pEffectUUID,
+                                                        const effect_uuid_t* pTypeUUID,
+                                                        uint32_t preferredTypeFlag,
+                                                        effect_descriptor_t* pDescriptor) const {
+    media::AudioUuid effectUuidAidl = VALUE_OR_RETURN_STATUS(
+            legacy2aidl_audio_uuid_t_AudioUuid(*pEffectUUID));
+    media::AudioUuid typeUuidAidl = VALUE_OR_RETURN_STATUS(
+            legacy2aidl_audio_uuid_t_AudioUuid(*pTypeUUID));
+    int32_t preferredTypeFlagAidl = VALUE_OR_RETURN_STATUS(
+            convertReinterpret<int32_t>(preferredTypeFlag));
+    media::EffectDescriptor aidlRet;
+    RETURN_STATUS_IF_ERROR(
+            mDelegate->getEffectDescriptor(effectUuidAidl, typeUuidAidl, preferredTypeFlagAidl,
+                                           &aidlRet).transactionError());
+    if (pDescriptor != nullptr) {
+        *pDescriptor = VALUE_OR_RETURN_STATUS(
+                aidl2legacy_EffectDescriptor_effect_descriptor_t(aidlRet));
+    }
+    return OK;
+}
+
+status_t AudioFlingerClientAdapter::createEffect(const media::CreateEffectRequest& request,
+                                                 media::CreateEffectResponse* response) {
+    return mDelegate->createEffect(request, response).transactionError();
+}
+
+status_t
+AudioFlingerClientAdapter::moveEffects(audio_session_t session, audio_io_handle_t srcOutput,
+                                       audio_io_handle_t dstOutput) {
+    int32_t sessionAidl = VALUE_OR_RETURN_STATUS(legacy2aidl_audio_session_t_int32_t(session));
+    int32_t srcOutputAidl = VALUE_OR_RETURN_STATUS(
+            legacy2aidl_audio_io_handle_t_int32_t(srcOutput));
+    int32_t dstOutputAidl = VALUE_OR_RETURN_STATUS(
+            legacy2aidl_audio_io_handle_t_int32_t(dstOutput));
+    return mDelegate->moveEffects(sessionAidl, srcOutputAidl, dstOutputAidl).transactionError();
+}
+
+void AudioFlingerClientAdapter::setEffectSuspended(int effectId,
+                                                   audio_session_t sessionId,
+                                                   bool suspended) {
+    [&]() -> status_t {
+        int32_t effectIdAidl = VALUE_OR_RETURN_STATUS(convertReinterpret<int32_t>(effectId));
+        int32_t sessionIdAidl = VALUE_OR_RETURN_STATUS(
+                legacy2aidl_audio_session_t_int32_t(sessionId));
+        return mDelegate->setEffectSuspended(effectIdAidl, sessionIdAidl,
+                                             suspended).transactionError();
+    }();
+    // Failure is ignored.
+}
+
+audio_module_handle_t AudioFlingerClientAdapter::loadHwModule(const char* name) {
+    auto result = [&]() -> ConversionResult<audio_module_handle_t> {
+        std::string nameAidl(name);
+        int32_t aidlRet;
+        RETURN_IF_ERROR(mDelegate->loadHwModule(nameAidl, &aidlRet).transactionError());
+        return aidl2legacy_int32_t_audio_module_handle_t(aidlRet);
+    }();
+    // Failure is ignored.
+    return result.value_or(0);
+}
+
+uint32_t AudioFlingerClientAdapter::getPrimaryOutputSamplingRate() {
+    auto result = [&]() -> ConversionResult<uint32_t> {
+        int32_t aidlRet;
+        RETURN_IF_ERROR(mDelegate->getPrimaryOutputSamplingRate(&aidlRet).transactionError());
+        return convertIntegral<uint32_t>(aidlRet);
+    }();
+    // Failure is ignored.
+    return result.value_or(0);
+}
+
+size_t AudioFlingerClientAdapter::getPrimaryOutputFrameCount() {
+    auto result = [&]() -> ConversionResult<size_t> {
+        int64_t aidlRet;
+        RETURN_IF_ERROR(mDelegate->getPrimaryOutputFrameCount(&aidlRet).transactionError());
+        return convertIntegral<size_t>(aidlRet);
+    }();
+    // Failure is ignored.
+    return result.value_or(0);
+}
+
+status_t AudioFlingerClientAdapter::setLowRamDevice(bool isLowRamDevice, int64_t totalMemory) {
+    return mDelegate->setLowRamDevice(isLowRamDevice, totalMemory).transactionError();
+}
+
+status_t AudioFlingerClientAdapter::getAudioPort(struct audio_port_v7* port) {
+    media::AudioPort portAidl = VALUE_OR_RETURN_STATUS(legacy2aidl_audio_port_v7_AudioPort(*port));
+    media::AudioPort aidlRet;
+    RETURN_STATUS_IF_ERROR(mDelegate->getAudioPort(portAidl, &aidlRet).transactionError());
+    *port = VALUE_OR_RETURN_STATUS(aidl2legacy_AudioPort_audio_port_v7(aidlRet));
+    return OK;
+}
+
+status_t AudioFlingerClientAdapter::createAudioPatch(const struct audio_patch* patch,
+                                                     audio_patch_handle_t* handle) {
+    media::AudioPatch patchAidl = VALUE_OR_RETURN_STATUS(legacy2aidl_audio_patch_AudioPatch(*patch));
+    int32_t aidlRet;
+    RETURN_STATUS_IF_ERROR(mDelegate->createAudioPatch(patchAidl, &aidlRet).transactionError());
+    if (handle != nullptr) {
+        *handle = VALUE_OR_RETURN_STATUS(aidl2legacy_int32_t_audio_patch_handle_t(aidlRet));
+    }
+    return OK;
+}
+
+status_t AudioFlingerClientAdapter::releaseAudioPatch(audio_patch_handle_t handle) {
+    int32_t handleAidl = VALUE_OR_RETURN_STATUS(legacy2aidl_audio_patch_handle_t_int32_t(handle));
+    return mDelegate->releaseAudioPatch(handleAidl).transactionError();
+}
+
+status_t AudioFlingerClientAdapter::listAudioPatches(unsigned int* num_patches,
+                                                     struct audio_patch* patches) {
+    std::vector<media::AudioPatch> aidlRet;
+    int32_t maxPatches = VALUE_OR_RETURN_STATUS(convertIntegral<int32_t>(*num_patches));
+    RETURN_STATUS_IF_ERROR(mDelegate->listAudioPatches(maxPatches, &aidlRet).transactionError());
+    *num_patches = VALUE_OR_RETURN_STATUS(convertIntegral<unsigned int>(aidlRet.size()));
+    return convertRange(aidlRet.begin(), aidlRet.end(), patches,
+                        aidl2legacy_AudioPatch_audio_patch);
+}
+
+status_t AudioFlingerClientAdapter::setAudioPortConfig(const struct audio_port_config* config) {
+    media::AudioPortConfig configAidl = VALUE_OR_RETURN_STATUS(
+            legacy2aidl_audio_port_config_AudioPortConfig(*config));
+    return mDelegate->setAudioPortConfig(configAidl).transactionError();
+}
+
+audio_hw_sync_t AudioFlingerClientAdapter::getAudioHwSyncForSession(audio_session_t sessionId) {
+    auto result = [&]() -> ConversionResult<audio_hw_sync_t> {
+        int32_t sessionIdAidl = VALUE_OR_RETURN(legacy2aidl_audio_session_t_int32_t(sessionId));
+        int32_t aidlRet;
+        RETURN_IF_ERROR(
+                mDelegate->getAudioHwSyncForSession(sessionIdAidl, &aidlRet).transactionError());
+        return aidl2legacy_int32_t_audio_hw_sync_t(aidlRet);
+    }();
+    return result.value_or(AUDIO_HW_SYNC_INVALID);
+}
+
+status_t AudioFlingerClientAdapter::systemReady() {
+    return mDelegate->systemReady().transactionError();
+}
+
+size_t AudioFlingerClientAdapter::frameCountHAL(audio_io_handle_t ioHandle) const {
+    auto result = [&]() -> ConversionResult<size_t> {
+        int32_t ioHandleAidl = VALUE_OR_RETURN(legacy2aidl_audio_io_handle_t_int32_t(ioHandle));
+        int64_t aidlRet;
+        RETURN_IF_ERROR(mDelegate->frameCountHAL(ioHandleAidl, &aidlRet).transactionError());
+        return convertIntegral<size_t>(aidlRet);
+    }();
+    // Failure is ignored.
+    return result.value_or(0);
+}
+
+status_t
+AudioFlingerClientAdapter::getMicrophones(std::vector<media::MicrophoneInfo>* microphones) {
+    std::vector<media::MicrophoneInfoData> aidlRet;
+    RETURN_STATUS_IF_ERROR(mDelegate->getMicrophones(&aidlRet).transactionError());
+    if (microphones != nullptr) {
+        *microphones = VALUE_OR_RETURN_STATUS(
+                convertContainer<std::vector<media::MicrophoneInfo>>(aidlRet,
+                         media::aidl2legacy_MicrophoneInfo));
+    }
+    return OK;
+}
+
+status_t AudioFlingerClientAdapter::setAudioHalPids(const std::vector<pid_t>& pids) {
+    std::vector<int32_t> pidsAidl = VALUE_OR_RETURN_STATUS(
+            convertContainer<std::vector<int32_t>>(pids, legacy2aidl_pid_t_int32_t));
+    return mDelegate->setAudioHalPids(pidsAidl).transactionError();
+}
+
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// AudioFlingerServerAdapter
+AudioFlingerServerAdapter::AudioFlingerServerAdapter(
+        const sp<AudioFlingerServerAdapter::Delegate>& delegate) : mDelegate(delegate) {}
+
+status_t AudioFlingerServerAdapter::onTransact(uint32_t code, const Parcel& data, Parcel* reply,
+                                               uint32_t flags) {
+    return mDelegate->onPreTransact(static_cast<Delegate::TransactionCode>(code), data, flags)
+           ?: BnAudioFlingerService::onTransact(code, data, reply, flags);
+}
+
+status_t AudioFlingerServerAdapter::dump(int fd, const Vector<String16>& args) {
+    return mDelegate->dump(fd, args);
+}
+
+Status AudioFlingerServerAdapter::createTrack(const media::CreateTrackRequest& request,
+                                              media::CreateTrackResponse* _aidl_return) {
+    return Status::fromStatusT(mDelegate->createTrack(request, *_aidl_return));
+}
+
+Status AudioFlingerServerAdapter::createRecord(const media::CreateRecordRequest& request,
+                                               media::CreateRecordResponse* _aidl_return) {
+    return Status::fromStatusT(mDelegate->createRecord(request, *_aidl_return));
+}
+
+Status AudioFlingerServerAdapter::sampleRate(int32_t ioHandle, int32_t* _aidl_return) {
+    audio_io_handle_t ioHandleLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_int32_t_audio_io_handle_t(ioHandle));
+    *_aidl_return = VALUE_OR_RETURN_BINDER(
+            convertIntegral<int32_t>(mDelegate->sampleRate(ioHandleLegacy)));
+    return Status::ok();
+}
+
+Status AudioFlingerServerAdapter::format(int32_t output,
+                                         media::audio::common::AudioFormat* _aidl_return) {
+    audio_io_handle_t outputLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_int32_t_audio_io_handle_t(output));
+    *_aidl_return = VALUE_OR_RETURN_BINDER(
+            legacy2aidl_audio_format_t_AudioFormat(mDelegate->format(outputLegacy)));
+    return Status::ok();
+}
+
+Status AudioFlingerServerAdapter::frameCount(int32_t ioHandle, int64_t* _aidl_return) {
+    audio_io_handle_t ioHandleLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_int32_t_audio_io_handle_t(ioHandle));
+    *_aidl_return = VALUE_OR_RETURN_BINDER(
+            convertIntegral<int64_t>(mDelegate->frameCount(ioHandleLegacy)));
+    return Status::ok();
+}
+
+Status AudioFlingerServerAdapter::latency(int32_t output, int32_t* _aidl_return) {
+    audio_io_handle_t outputLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_int32_t_audio_io_handle_t(output));
+    *_aidl_return = VALUE_OR_RETURN_BINDER(
+            convertIntegral<int32_t>(mDelegate->latency(outputLegacy)));
+    return Status::ok();
+}
+
+Status AudioFlingerServerAdapter::setMasterVolume(float value) {
+    return Status::fromStatusT(mDelegate->setMasterVolume(value));
+}
+
+Status AudioFlingerServerAdapter::setMasterMute(bool muted) {
+    return Status::fromStatusT(mDelegate->setMasterMute(muted));
+}
+
+Status AudioFlingerServerAdapter::masterVolume(float* _aidl_return) {
+    *_aidl_return = mDelegate->masterVolume();
+    return Status::ok();
+}
+
+Status AudioFlingerServerAdapter::masterMute(bool* _aidl_return) {
+    *_aidl_return = mDelegate->masterMute();
+    return Status::ok();
+}
+
+Status AudioFlingerServerAdapter::setMasterBalance(float balance) {
+    return Status::fromStatusT(mDelegate->setMasterBalance(balance));
+}
+
+Status AudioFlingerServerAdapter::getMasterBalance(float* _aidl_return) {
+    return Status::fromStatusT(mDelegate->getMasterBalance(_aidl_return));
+}
+
+Status AudioFlingerServerAdapter::setStreamVolume(media::AudioStreamType stream, float value,
+                                                  int32_t output) {
+    audio_stream_type_t streamLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_AudioStreamType_audio_stream_type_t(stream));
+    audio_io_handle_t outputLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_int32_t_audio_io_handle_t(output));
+    return Status::fromStatusT(mDelegate->setStreamVolume(streamLegacy, value, outputLegacy));
+}
+
+Status AudioFlingerServerAdapter::setStreamMute(media::AudioStreamType stream, bool muted) {
+    audio_stream_type_t streamLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_AudioStreamType_audio_stream_type_t(stream));
+    return Status::fromStatusT(mDelegate->setStreamMute(streamLegacy, muted));
+}
+
+Status AudioFlingerServerAdapter::streamVolume(media::AudioStreamType stream, int32_t output,
+                                               float* _aidl_return) {
+    audio_stream_type_t streamLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_AudioStreamType_audio_stream_type_t(stream));
+    audio_io_handle_t outputLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_int32_t_audio_io_handle_t(output));
+    *_aidl_return = mDelegate->streamVolume(streamLegacy, outputLegacy);
+    return Status::ok();
+}
+
+Status AudioFlingerServerAdapter::streamMute(media::AudioStreamType stream, bool* _aidl_return) {
+    audio_stream_type_t streamLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_AudioStreamType_audio_stream_type_t(stream));
+    *_aidl_return = mDelegate->streamMute(streamLegacy);
+    return Status::ok();
+}
+
+Status AudioFlingerServerAdapter::setMode(media::AudioMode mode) {
+    audio_mode_t modeLegacy = VALUE_OR_RETURN_BINDER(aidl2legacy_AudioMode_audio_mode_t(mode));
+    return Status::fromStatusT(mDelegate->setMode(modeLegacy));
+}
+
+Status AudioFlingerServerAdapter::setMicMute(bool state) {
+    return Status::fromStatusT(mDelegate->setMicMute(state));
+}
+
+Status AudioFlingerServerAdapter::getMicMute(bool* _aidl_return) {
+    *_aidl_return = mDelegate->getMicMute();
+    return Status::ok();
+}
+
+Status AudioFlingerServerAdapter::setRecordSilenced(int32_t portId, bool silenced) {
+    audio_port_handle_t portIdLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_int32_t_audio_port_handle_t(portId));
+    mDelegate->setRecordSilenced(portIdLegacy, silenced);
+    return Status::ok();
+}
+
+Status
+AudioFlingerServerAdapter::setParameters(int32_t ioHandle, const std::string& keyValuePairs) {
+    audio_io_handle_t ioHandleLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_int32_t_audio_io_handle_t(ioHandle));
+    String8 keyValuePairsLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_string_view_String8(keyValuePairs));
+    return Status::fromStatusT(mDelegate->setParameters(ioHandleLegacy, keyValuePairsLegacy));
+}
+
+Status AudioFlingerServerAdapter::getParameters(int32_t ioHandle, const std::string& keys,
+                                                std::string* _aidl_return) {
+    audio_io_handle_t ioHandleLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_int32_t_audio_io_handle_t(ioHandle));
+    String8 keysLegacy = VALUE_OR_RETURN_BINDER(aidl2legacy_string_view_String8(keys));
+    *_aidl_return = VALUE_OR_RETURN_BINDER(
+            legacy2aidl_String8_string(mDelegate->getParameters(ioHandleLegacy, keysLegacy)));
+    return Status::ok();
+}
+
+Status AudioFlingerServerAdapter::registerClient(const sp<media::IAudioFlingerClient>& client) {
+    mDelegate->registerClient(client);
+    return Status::ok();
+}
+
+Status AudioFlingerServerAdapter::getInputBufferSize(int32_t sampleRate,
+                                                     media::audio::common::AudioFormat format,
+                                                     int32_t channelMask, int64_t* _aidl_return) {
+    uint32_t sampleRateLegacy = VALUE_OR_RETURN_BINDER(convertIntegral<uint32_t>(sampleRate));
+    audio_format_t formatLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_AudioFormat_audio_format_t(format));
+    audio_channel_mask_t channelMaskLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_int32_t_audio_channel_mask_t(channelMask));
+    size_t size = mDelegate->getInputBufferSize(sampleRateLegacy, formatLegacy, channelMaskLegacy);
+    *_aidl_return = VALUE_OR_RETURN_BINDER(convertIntegral<int64_t>(size));
+    return Status::ok();
+}
+
+Status AudioFlingerServerAdapter::openOutput(const media::OpenOutputRequest& request,
+                                             media::OpenOutputResponse* _aidl_return) {
+    return Status::fromStatusT(mDelegate->openOutput(request, _aidl_return));
+}
+
+Status AudioFlingerServerAdapter::openDuplicateOutput(int32_t output1, int32_t output2,
+                                                      int32_t* _aidl_return) {
+    audio_io_handle_t output1Legacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_int32_t_audio_io_handle_t(output1));
+    audio_io_handle_t output2Legacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_int32_t_audio_io_handle_t(output2));
+    audio_io_handle_t result = mDelegate->openDuplicateOutput(output1Legacy, output2Legacy);
+    *_aidl_return = VALUE_OR_RETURN_BINDER(legacy2aidl_audio_io_handle_t_int32_t(result));
+    return Status::ok();
+}
+
+Status AudioFlingerServerAdapter::closeOutput(int32_t output) {
+    audio_io_handle_t outputLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_int32_t_audio_io_handle_t(output));
+    return Status::fromStatusT(mDelegate->closeOutput(outputLegacy));
+}
+
+Status AudioFlingerServerAdapter::suspendOutput(int32_t output) {
+    audio_io_handle_t outputLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_int32_t_audio_io_handle_t(output));
+    return Status::fromStatusT(mDelegate->suspendOutput(outputLegacy));
+}
+
+Status AudioFlingerServerAdapter::restoreOutput(int32_t output) {
+    audio_io_handle_t outputLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_int32_t_audio_io_handle_t(output));
+    return Status::fromStatusT(mDelegate->restoreOutput(outputLegacy));
+}
+
+Status AudioFlingerServerAdapter::openInput(const media::OpenInputRequest& request,
+                                            media::OpenInputResponse* _aidl_return) {
+    return Status::fromStatusT(mDelegate->openInput(request, _aidl_return));
+}
+
+Status AudioFlingerServerAdapter::closeInput(int32_t input) {
+    audio_io_handle_t inputLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_int32_t_audio_io_handle_t(input));
+    return Status::fromStatusT(mDelegate->closeInput(inputLegacy));
+}
+
+Status AudioFlingerServerAdapter::invalidateStream(media::AudioStreamType stream) {
+    audio_stream_type_t streamLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_AudioStreamType_audio_stream_type_t(stream));
+    return Status::fromStatusT(mDelegate->invalidateStream(streamLegacy));
+}
+
+Status AudioFlingerServerAdapter::setVoiceVolume(float volume) {
+    return Status::fromStatusT(mDelegate->setVoiceVolume(volume));
+}
+
+Status
+AudioFlingerServerAdapter::getRenderPosition(int32_t output, media::RenderPosition* _aidl_return) {
+    audio_io_handle_t outputLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_int32_t_audio_io_handle_t(output));
+    uint32_t halFramesLegacy;
+    uint32_t dspFramesLegacy;
+    RETURN_BINDER_IF_ERROR(
+            mDelegate->getRenderPosition(&halFramesLegacy, &dspFramesLegacy, outputLegacy));
+    _aidl_return->halFrames = VALUE_OR_RETURN_BINDER(convertIntegral<int32_t>(halFramesLegacy));
+    _aidl_return->dspFrames = VALUE_OR_RETURN_BINDER(convertIntegral<int32_t>(dspFramesLegacy));
+    return Status::ok();
+}
+
+Status AudioFlingerServerAdapter::getInputFramesLost(int32_t ioHandle, int32_t* _aidl_return) {
+    audio_io_handle_t ioHandleLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_int32_t_audio_io_handle_t(ioHandle));
+    uint32_t result = mDelegate->getInputFramesLost(ioHandleLegacy);
+    *_aidl_return = VALUE_OR_RETURN_BINDER(convertIntegral<int32_t>(result));
+    return Status::ok();
+}
+
+Status
+AudioFlingerServerAdapter::newAudioUniqueId(media::AudioUniqueIdUse use, int32_t* _aidl_return) {
+    audio_unique_id_use_t useLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_AudioUniqueIdUse_audio_unique_id_use_t(use));
+    audio_unique_id_t result = mDelegate->newAudioUniqueId(useLegacy);
+    *_aidl_return = VALUE_OR_RETURN_BINDER(legacy2aidl_audio_unique_id_t_int32_t(result));
+    return Status::ok();
+}
+
+Status
+AudioFlingerServerAdapter::acquireAudioSessionId(int32_t audioSession, int32_t pid, int32_t uid) {
+    audio_session_t audioSessionLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_int32_t_audio_session_t(audioSession));
+    pid_t pidLegacy = VALUE_OR_RETURN_BINDER(aidl2legacy_int32_t_pid_t(pid));
+    uid_t uidLegacy = VALUE_OR_RETURN_BINDER(aidl2legacy_int32_t_uid_t(uid));
+    mDelegate->acquireAudioSessionId(audioSessionLegacy, pidLegacy, uidLegacy);
+    return Status::ok();
+}
+
+Status AudioFlingerServerAdapter::releaseAudioSessionId(int32_t audioSession, int32_t pid) {
+    audio_session_t audioSessionLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_int32_t_audio_session_t(audioSession));
+    pid_t pidLegacy = VALUE_OR_RETURN_BINDER(aidl2legacy_int32_t_pid_t(pid));
+    mDelegate->releaseAudioSessionId(audioSessionLegacy, pidLegacy);
+    return Status::ok();
+}
+
+Status AudioFlingerServerAdapter::queryNumberEffects(int32_t* _aidl_return) {
+    uint32_t result;
+    RETURN_BINDER_IF_ERROR(mDelegate->queryNumberEffects(&result));
+    *_aidl_return = VALUE_OR_RETURN_BINDER(convertIntegral<uint32_t>(result));
+    return Status::ok();
+}
+
+Status
+AudioFlingerServerAdapter::queryEffect(int32_t index, media::EffectDescriptor* _aidl_return) {
+    uint32_t indexLegacy = VALUE_OR_RETURN_BINDER(convertIntegral<uint32_t>(index));
+    effect_descriptor_t result;
+    RETURN_BINDER_IF_ERROR(mDelegate->queryEffect(indexLegacy, &result));
+    *_aidl_return = VALUE_OR_RETURN_BINDER(
+            legacy2aidl_effect_descriptor_t_EffectDescriptor(result));
+    return Status::ok();
+}
+
+Status AudioFlingerServerAdapter::getEffectDescriptor(const media::AudioUuid& effectUUID,
+                                                      const media::AudioUuid& typeUUID,
+                                                      int32_t preferredTypeFlag,
+                                                      media::EffectDescriptor* _aidl_return) {
+    effect_uuid_t effectUuidLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_AudioUuid_audio_uuid_t(effectUUID));
+    effect_uuid_t typeUuidLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_AudioUuid_audio_uuid_t(typeUUID));
+    uint32_t preferredTypeFlagLegacy = VALUE_OR_RETURN_BINDER(
+            convertReinterpret<uint32_t>(preferredTypeFlag));
+    effect_descriptor_t result;
+    RETURN_BINDER_IF_ERROR(mDelegate->getEffectDescriptor(&effectUuidLegacy, &typeUuidLegacy,
+                                                          preferredTypeFlagLegacy, &result));
+    *_aidl_return = VALUE_OR_RETURN_BINDER(
+            legacy2aidl_effect_descriptor_t_EffectDescriptor(result));
+    return Status::ok();
+}
+
+Status AudioFlingerServerAdapter::createEffect(const media::CreateEffectRequest& request,
+                                               media::CreateEffectResponse* _aidl_return) {
+    return Status::fromStatusT(mDelegate->createEffect(request, _aidl_return));
+}
+
+Status
+AudioFlingerServerAdapter::moveEffects(int32_t session, int32_t srcOutput, int32_t dstOutput) {
+    audio_session_t sessionLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_int32_t_audio_session_t(session));
+    audio_io_handle_t srcOutputLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_int32_t_audio_io_handle_t(srcOutput));
+    audio_io_handle_t dstOutputLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_int32_t_audio_io_handle_t(dstOutput));
+    return Status::fromStatusT(
+            mDelegate->moveEffects(sessionLegacy, srcOutputLegacy, dstOutputLegacy));
+}
+
+Status AudioFlingerServerAdapter::setEffectSuspended(int32_t effectId, int32_t sessionId,
+                                                     bool suspended) {
+    int effectIdLegacy = VALUE_OR_RETURN_BINDER(convertReinterpret<int>(effectId));
+    audio_session_t sessionIdLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_int32_t_audio_session_t(sessionId));
+    mDelegate->setEffectSuspended(effectIdLegacy, sessionIdLegacy, suspended);
+    return Status::ok();
+}
+
+Status AudioFlingerServerAdapter::loadHwModule(const std::string& name, int32_t* _aidl_return) {
+    audio_module_handle_t result = mDelegate->loadHwModule(name.c_str());
+    *_aidl_return = VALUE_OR_RETURN_BINDER(legacy2aidl_audio_module_handle_t_int32_t(result));
+    return Status::ok();
+}
+
+Status AudioFlingerServerAdapter::getPrimaryOutputSamplingRate(int32_t* _aidl_return) {
+    *_aidl_return = VALUE_OR_RETURN_BINDER(
+            convertIntegral<int32_t>(mDelegate->getPrimaryOutputSamplingRate()));
+    return Status::ok();
+}
+
+Status AudioFlingerServerAdapter::getPrimaryOutputFrameCount(int64_t* _aidl_return) {
+    *_aidl_return = VALUE_OR_RETURN_BINDER(
+            convertIntegral<int64_t>(mDelegate->getPrimaryOutputFrameCount()));
+    return Status::ok();
+
+}
+
+Status AudioFlingerServerAdapter::setLowRamDevice(bool isLowRamDevice, int64_t totalMemory) {
+    return Status::fromStatusT(mDelegate->setLowRamDevice(isLowRamDevice, totalMemory));
+}
+
+Status AudioFlingerServerAdapter::getAudioPort(const media::AudioPort& port,
+                                               media::AudioPort* _aidl_return) {
+    audio_port_v7 portLegacy = VALUE_OR_RETURN_BINDER(aidl2legacy_AudioPort_audio_port_v7(port));
+    RETURN_BINDER_IF_ERROR(mDelegate->getAudioPort(&portLegacy));
+    *_aidl_return = VALUE_OR_RETURN_BINDER(legacy2aidl_audio_port_v7_AudioPort(portLegacy));
+    return Status::ok();
+}
+
+Status AudioFlingerServerAdapter::createAudioPatch(const media::AudioPatch& patch,
+                                                   int32_t* _aidl_return) {
+    audio_patch patchLegacy = VALUE_OR_RETURN_BINDER(aidl2legacy_AudioPatch_audio_patch(patch));
+    audio_patch_handle_t handleLegacy;
+    RETURN_BINDER_IF_ERROR(mDelegate->createAudioPatch(&patchLegacy, &handleLegacy));
+    *_aidl_return = VALUE_OR_RETURN_BINDER(legacy2aidl_audio_patch_handle_t_int32_t(handleLegacy));
+    return Status::ok();
+}
+
+Status AudioFlingerServerAdapter::releaseAudioPatch(int32_t handle) {
+    audio_patch_handle_t handleLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_int32_t_audio_patch_handle_t(handle));
+    return Status::fromStatusT(mDelegate->releaseAudioPatch(handleLegacy));
+}
+
+Status AudioFlingerServerAdapter::listAudioPatches(int32_t maxCount,
+                            std::vector<media::AudioPatch>* _aidl_return) {
+    unsigned int count = VALUE_OR_RETURN_BINDER(convertIntegral<unsigned int>(maxCount));
+    count = std::min(count, static_cast<unsigned int>(MAX_ITEMS_PER_LIST));
+    std::unique_ptr<audio_patch[]> patchesLegacy(new audio_patch[count]);
+    RETURN_BINDER_IF_ERROR(mDelegate->listAudioPatches(&count, patchesLegacy.get()));
+    RETURN_BINDER_IF_ERROR(convertRange(&patchesLegacy[0],
+                           &patchesLegacy[count],
+                           std::back_inserter(*_aidl_return),
+                           legacy2aidl_audio_patch_AudioPatch));
+    return Status::ok();
+}
+
+Status AudioFlingerServerAdapter::setAudioPortConfig(const media::AudioPortConfig& config) {
+    audio_port_config configLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_AudioPortConfig_audio_port_config(config));
+    return Status::fromStatusT(mDelegate->setAudioPortConfig(&configLegacy));
+}
+
+Status AudioFlingerServerAdapter::getAudioHwSyncForSession(int32_t sessionId,
+                                                           int32_t* _aidl_return) {
+    audio_session_t sessionIdLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_int32_t_audio_session_t(sessionId));
+    audio_hw_sync_t result = mDelegate->getAudioHwSyncForSession(sessionIdLegacy);
+    *_aidl_return = VALUE_OR_RETURN_BINDER(legacy2aidl_audio_hw_sync_t_int32_t(result));
+    return Status::ok();
+}
+
+Status AudioFlingerServerAdapter::systemReady() {
+    return Status::fromStatusT(mDelegate->systemReady());
+}
+
+Status AudioFlingerServerAdapter::frameCountHAL(int32_t ioHandle, int64_t* _aidl_return) {
+    audio_io_handle_t ioHandleLegacy = VALUE_OR_RETURN_BINDER(
+            aidl2legacy_int32_t_audio_io_handle_t(ioHandle));
+    size_t result = mDelegate->frameCountHAL(ioHandleLegacy);
+    *_aidl_return = VALUE_OR_RETURN_BINDER(convertIntegral<int64_t>(result));
+    return Status::ok();
+}
+
+Status AudioFlingerServerAdapter::getMicrophones(
+        std::vector<media::MicrophoneInfoData>* _aidl_return) {
+    std::vector<media::MicrophoneInfo> resultLegacy;
+    RETURN_BINDER_IF_ERROR(mDelegate->getMicrophones(&resultLegacy));
+    *_aidl_return = VALUE_OR_RETURN_BINDER(convertContainer<std::vector<media::MicrophoneInfoData>>(
+            resultLegacy, media::legacy2aidl_MicrophoneInfo));
+    return Status::ok();
+}
+
+Status AudioFlingerServerAdapter::setAudioHalPids(const std::vector<int32_t>& pids) {
+    std::vector<pid_t> pidsLegacy = VALUE_OR_RETURN_BINDER(
+            convertContainer<std::vector<pid_t>>(pids, aidl2legacy_int32_t_pid_t));
+    RETURN_BINDER_IF_ERROR(mDelegate->setAudioHalPids(pidsLegacy));
+    return Status::ok();
+}
 
 } // namespace android
diff --git a/media/libaudioclient/aidl/android/media/IAudioFlingerService.aidl b/media/libaudioclient/aidl/android/media/IAudioFlingerService.aidl
new file mode 100644
index 0000000..e63f391
--- /dev/null
+++ b/media/libaudioclient/aidl/android/media/IAudioFlingerService.aidl
@@ -0,0 +1,205 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.media;
+
+import android.media.AudioMode;
+import android.media.AudioPatch;
+import android.media.AudioPort;
+import android.media.AudioPortConfig;
+import android.media.AudioStreamType;
+import android.media.AudioUniqueIdUse;
+import android.media.AudioUuid;
+import android.media.CreateEffectRequest;
+import android.media.CreateEffectResponse;
+import android.media.CreateRecordRequest;
+import android.media.CreateRecordResponse;
+import android.media.CreateTrackRequest;
+import android.media.CreateTrackResponse;
+import android.media.OpenInputRequest;
+import android.media.OpenInputResponse;
+import android.media.OpenOutputRequest;
+import android.media.OpenOutputResponse;
+import android.media.EffectDescriptor;
+import android.media.IAudioFlingerClient;
+import android.media.IAudioRecord;
+import android.media.IAudioTrack;
+import android.media.MicrophoneInfoData;
+import android.media.RenderPosition;
+import android.media.audio.common.AudioFormat;
+
+/**
+ * {@hide}
+ */
+interface IAudioFlingerService {
+    /**
+     * Creates an audio track and registers it with AudioFlinger, or null if the track cannot be
+     * created.
+     */
+    CreateTrackResponse createTrack(in CreateTrackRequest request);
+
+    CreateRecordResponse createRecord(in CreateRecordRequest request);
+
+    // FIXME Surprisingly, format/latency don't work for input handles
+
+    /**
+     * Queries the audio hardware state. This state never changes, and therefore can be cached.
+     */
+    int sampleRate(int /* audio_io_handle_t */ ioHandle);
+
+    AudioFormat format(int /* audio_io_handle_t */ output);
+
+    long frameCount(int /* audio_io_handle_t */ ioHandle);
+
+    /**
+     * Return the estimated latency in milliseconds.
+     */
+    int latency(int  /* audio_io_handle_t */ output);
+
+    /*
+     * Sets/gets the audio hardware state. This will probably be used by
+     * the preference panel, mostly.
+     */
+    void setMasterVolume(float value);
+    void setMasterMute(boolean muted);
+
+    float masterVolume();
+    boolean masterMute();
+
+    void setMasterBalance(float balance);
+    float getMasterBalance();
+
+    /*
+     * Set/gets stream type state. This will probably be used by
+     * the preference panel, mostly.
+     */
+    void setStreamVolume(AudioStreamType stream, float value, int /* audio_io_handle_t */ output);
+    void setStreamMute(AudioStreamType stream, boolean muted);
+    float streamVolume(AudioStreamType stream, int /* audio_io_handle_t */ output);
+    boolean streamMute(AudioStreamType stream);
+
+    // set audio mode.
+    void setMode(AudioMode mode);
+
+    // mic mute/state
+    void setMicMute(boolean state);
+    boolean getMicMute();
+    void setRecordSilenced(int /* audio_port_handle_t */ portId,
+                           boolean silenced);
+
+    void setParameters(int /* audio_io_handle_t */ ioHandle,
+                       @utf8InCpp String keyValuePairs);
+    @utf8InCpp String getParameters(int /* audio_io_handle_t */ ioHandle,
+                                    @utf8InCpp String keys);
+
+    // Register an object to receive audio input/output change and track notifications.
+    // For a given calling pid, AudioFlinger disregards any registrations after the first.
+    // Thus the IAudioFlingerClient must be a singleton per process.
+    void registerClient(IAudioFlingerClient client);
+
+    // Retrieve the audio recording buffer size in bytes.
+    // FIXME This API assumes a route, and so should be deprecated.
+    long getInputBufferSize(int sampleRate,
+                            AudioFormat format,
+                            int /* audio_channel_mask_t */ channelMask);
+
+    OpenOutputResponse openOutput(in OpenOutputRequest request);
+    int /* audio_io_handle_t */ openDuplicateOutput(int /* audio_io_handle_t */ output1,
+                                                    int /* audio_io_handle_t */ output2);
+    void closeOutput(int /* audio_io_handle_t */ output);
+    void suspendOutput(int /* audio_io_handle_t */ output);
+    void restoreOutput(int /* audio_io_handle_t */ output);
+
+    OpenInputResponse openInput(in OpenInputRequest request);
+    void closeInput(int /* audio_io_handle_t */ input);
+
+    void invalidateStream(AudioStreamType stream);
+
+    void setVoiceVolume(float volume);
+
+    RenderPosition getRenderPosition(int /* audio_io_handle_t */ output);
+
+    int getInputFramesLost(int /* audio_io_handle_t */ ioHandle);
+
+    int /* audio_unique_id_t */ newAudioUniqueId(AudioUniqueIdUse use);
+
+    void acquireAudioSessionId(int /* audio_session_t */ audioSession,
+                               int /* pid_t */ pid,
+                               int /* uid_t */ uid);
+    void releaseAudioSessionId(int /* audio_session_t */ audioSession,
+                               int /* pid_t */ pid);
+
+    int queryNumberEffects();
+
+    EffectDescriptor queryEffect(int index);
+
+    /** preferredTypeFlag is interpreted as a uint32_t with the "effect flag" format. */
+    EffectDescriptor getEffectDescriptor(in AudioUuid effectUUID,
+                                         in AudioUuid typeUUID,
+                                         int preferredTypeFlag);
+
+    CreateEffectResponse createEffect(in CreateEffectRequest request);
+
+    void moveEffects(int /* audio_session_t */ session,
+                     int /* audio_io_handle_t */ srcOutput,
+                     int /* audio_io_handle_t */ dstOutput);
+
+    void setEffectSuspended(int effectId,
+                            int /* audio_session_t */ sessionId,
+                            boolean suspended);
+
+    int /* audio_module_handle_t */ loadHwModule(@utf8InCpp String name);
+
+    // helpers for android.media.AudioManager.getProperty(), see description there for meaning
+    // FIXME move these APIs to AudioPolicy to permit a more accurate implementation
+    // that looks on primary device for a stream with fast flag, primary flag, or first one.
+    int getPrimaryOutputSamplingRate();
+    long getPrimaryOutputFrameCount();
+
+    // Intended for AudioService to inform AudioFlinger of device's low RAM attribute,
+    // and should be called at most once.  For a definition of what "low RAM" means, see
+    // android.app.ActivityManager.isLowRamDevice().  The totalMemory parameter
+    // is obtained from android.app.ActivityManager.MemoryInfo.totalMem.
+    void setLowRamDevice(boolean isLowRamDevice, long totalMemory);
+
+    /* Get attributes for a given audio port */
+    AudioPort getAudioPort(in AudioPort port);
+
+    /* Create an audio patch between several source and sink ports */
+    int /* audio_patch_handle_t */ createAudioPatch(in AudioPatch patch);
+
+    /* Release an audio patch */
+    void releaseAudioPatch(int /* audio_patch_handle_t */ handle);
+
+    /* List existing audio patches */
+    AudioPatch[] listAudioPatches(int maxCount);
+    /* Set audio port configuration */
+    void setAudioPortConfig(in AudioPortConfig config);
+
+    /* Get the HW synchronization source used for an audio session */
+    int /* audio_hw_sync_t */ getAudioHwSyncForSession(int /* audio_session_t */ sessionId);
+
+    /* Indicate JAVA services are ready (scheduling, power management ...) */
+    oneway void systemReady();
+
+    // Returns the number of frames per audio HAL buffer.
+    long frameCountHAL(int /* audio_io_handle_t */ ioHandle);
+
+    /* List available microphones and their characteristics */
+    MicrophoneInfoData[] getMicrophones();
+
+    void setAudioHalPids(in int[] /* pid_t[] */ pids);
+}
diff --git a/media/libaudioclient/aidl/android/media/RenderPosition.aidl b/media/libaudioclient/aidl/android/media/RenderPosition.aidl
new file mode 100644
index 0000000..98dc17a
--- /dev/null
+++ b/media/libaudioclient/aidl/android/media/RenderPosition.aidl
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.media;
+
+/**
+ * {@hide}
+ */
+parcelable RenderPosition {
+    int halFrames;
+    int dspFrames;
+}
diff --git a/media/libaudioclient/include/media/AidlConversion.h b/media/libaudioclient/include/media/AidlConversion.h
index 2dc471b..a6e5e2e 100644
--- a/media/libaudioclient/include/media/AidlConversion.h
+++ b/media/libaudioclient/include/media/AidlConversion.h
@@ -34,6 +34,7 @@
 #include <android/media/AudioIoConfigEvent.h>
 #include <android/media/AudioIoDescriptor.h>
 #include <android/media/AudioMixLatencyClass.h>
+#include <android/media/AudioMode.h>
 #include <android/media/AudioOutputFlags.h>
 #include <android/media/AudioPort.h>
 #include <android/media/AudioPortConfigType.h>
@@ -43,6 +44,7 @@
 #include <android/media/AudioPortSessionExt.h>
 #include <android/media/AudioProfile.h>
 #include <android/media/AudioTimestampInternal.h>
+#include <android/media/AudioUniqueIdUse.h>
 #include <android/media/EffectDescriptor.h>
 
 #include <android/media/SharedFileRegion.h>
@@ -75,6 +77,9 @@
 ConversionResult<audio_unique_id_t> aidl2legacy_int32_t_audio_unique_id_t(int32_t aidl);
 ConversionResult<int32_t> legacy2aidl_audio_unique_id_t_int32_t(audio_unique_id_t legacy);
 
+ConversionResult<audio_hw_sync_t> aidl2legacy_int32_t_audio_hw_sync_t(int32_t aidl);
+ConversionResult<int32_t> legacy2aidl_audio_hw_sync_t_int32_t(audio_hw_sync_t legacy);
+
 // The legacy enum is unnamed. Thus, we use int.
 ConversionResult<int> aidl2legacy_AudioPortConfigType(media::AudioPortConfigType aidl);
 // The legacy enum is unnamed. Thus, we use int.
@@ -326,4 +331,14 @@
 ConversionResult<media::AudioPort>
 legacy2aidl_audio_port_v7_AudioPort(const audio_port_v7& legacy);
 
+ConversionResult<audio_mode_t>
+aidl2legacy_AudioMode_audio_mode_t(media::AudioMode aidl);
+ConversionResult<media::AudioMode>
+legacy2aidl_audio_mode_t_AudioMode(audio_mode_t legacy);
+
+ConversionResult<audio_unique_id_use_t>
+aidl2legacy_AudioUniqueIdUse_audio_unique_id_use_t(media::AudioUniqueIdUse aidl);
+ConversionResult<media::AudioUniqueIdUse>
+legacy2aidl_audio_unique_id_use_t_AudioUniqueIdUse(audio_unique_id_use_t legacy);
+
 }  // namespace android
diff --git a/media/libaudioclient/include/media/IAudioFlinger.h b/media/libaudioclient/include/media/IAudioFlinger.h
index 911a34f..9a8014d 100644
--- a/media/libaudioclient/include/media/IAudioFlinger.h
+++ b/media/libaudioclient/include/media/IAudioFlinger.h
@@ -24,8 +24,6 @@
 #include <utils/RefBase.h>
 #include <utils/Errors.h>
 #include <binder/IInterface.h>
-#include <binder/Parcel.h>
-#include <binder/Parcelable.h>
 #include <media/AidlConversion.h>
 #include <media/AudioClient.h>
 #include <media/DeviceDescriptorBase.h>
@@ -37,6 +35,8 @@
 #include <string>
 #include <vector>
 
+#include <android/media/BnAudioFlingerService.h>
+#include <android/media/BpAudioFlingerService.h>
 #include "android/media/CreateEffectRequest.h"
 #include "android/media/CreateEffectResponse.h"
 #include "android/media/CreateRecordRequest.h"
@@ -58,10 +58,11 @@
 
 // ----------------------------------------------------------------------------
 
-class IAudioFlinger : public IInterface
-{
+class IAudioFlinger : public RefBase {
 public:
-    DECLARE_META_INTERFACE(AudioFlinger);
+    static constexpr char DEFAULT_SERVICE_NAME[] = "media.audio_flinger";
+
+    virtual ~IAudioFlinger() = default;
 
     /* CreateTrackInput contains all input arguments sent by AudioTrack to AudioFlinger
      * when calling createTrack() including arguments that will be updated by AudioFlinger
@@ -162,7 +163,8 @@
         sp<media::IAudioRecord> audioRecord;
 
         ConversionResult<media::CreateRecordResponse> toAidl() const;
-        static ConversionResult<CreateRecordOutput> fromAidl(const media::CreateRecordResponse& aidl);
+        static ConversionResult<CreateRecordOutput>
+        fromAidl(const media::CreateRecordResponse& aidl);
     };
 
     /* create an audio track and registers it with AudioFlinger.
@@ -300,10 +302,6 @@
     // is obtained from android.app.ActivityManager.MemoryInfo.totalMem.
     virtual status_t setLowRamDevice(bool isLowRamDevice, int64_t totalMemory) = 0;
 
-    /* List available audio ports and their attributes */
-    virtual status_t listAudioPorts(unsigned int *num_ports,
-                                    struct audio_port *ports) = 0;
-
     /* Get attributes for a given audio port */
     virtual status_t getAudioPort(struct audio_port_v7 *port) = 0;
 
@@ -333,85 +331,284 @@
     virtual status_t getMicrophones(std::vector<media::MicrophoneInfo> *microphones) = 0;
 
     virtual status_t setAudioHalPids(const std::vector<pid_t>& pids) = 0;
-
-protected:
-    enum {
-        CREATE_TRACK = IBinder::FIRST_CALL_TRANSACTION,
-        CREATE_RECORD,
-        SAMPLE_RATE,
-        RESERVED,   // obsolete, was CHANNEL_COUNT
-        FORMAT,
-        FRAME_COUNT,
-        LATENCY,
-        SET_MASTER_VOLUME,
-        SET_MASTER_MUTE,
-        MASTER_VOLUME,
-        MASTER_MUTE,
-        SET_STREAM_VOLUME,
-        SET_STREAM_MUTE,
-        STREAM_VOLUME,
-        STREAM_MUTE,
-        SET_MODE,
-        SET_MIC_MUTE,
-        GET_MIC_MUTE,
-        SET_RECORD_SILENCED,
-        SET_PARAMETERS,
-        GET_PARAMETERS,
-        REGISTER_CLIENT,
-        GET_INPUTBUFFERSIZE,
-        OPEN_OUTPUT,
-        OPEN_DUPLICATE_OUTPUT,
-        CLOSE_OUTPUT,
-        SUSPEND_OUTPUT,
-        RESTORE_OUTPUT,
-        OPEN_INPUT,
-        CLOSE_INPUT,
-        INVALIDATE_STREAM,
-        SET_VOICE_VOLUME,
-        GET_RENDER_POSITION,
-        GET_INPUT_FRAMES_LOST,
-        NEW_AUDIO_UNIQUE_ID,
-        ACQUIRE_AUDIO_SESSION_ID,
-        RELEASE_AUDIO_SESSION_ID,
-        QUERY_NUM_EFFECTS,
-        QUERY_EFFECT,
-        GET_EFFECT_DESCRIPTOR,
-        CREATE_EFFECT,
-        MOVE_EFFECTS,
-        LOAD_HW_MODULE,
-        GET_PRIMARY_OUTPUT_SAMPLING_RATE,
-        GET_PRIMARY_OUTPUT_FRAME_COUNT,
-        SET_LOW_RAM_DEVICE,
-        LIST_AUDIO_PORTS,
-        GET_AUDIO_PORT,
-        CREATE_AUDIO_PATCH,
-        RELEASE_AUDIO_PATCH,
-        LIST_AUDIO_PATCHES,
-        SET_AUDIO_PORT_CONFIG,
-        GET_AUDIO_HW_SYNC_FOR_SESSION,
-        SYSTEM_READY,
-        FRAME_COUNT_HAL,
-        GET_MICROPHONES,
-        SET_MASTER_BALANCE,
-        GET_MASTER_BALANCE,
-        SET_EFFECT_SUSPENDED,
-        SET_AUDIO_HAL_PIDS
-    };
 };
 
-
-// ----------------------------------------------------------------------------
-
-class BnAudioFlinger : public BnInterface<IAudioFlinger>
-{
+/**
+ * A client-side adapter, wrapping an IAudioFlingerService instance and presenting it as an
+ * IAudioFlinger. Intended to be used by legacy client code that was written against IAudioFlinger,
+ * before IAudioFlingerService was introduced as an AIDL service.
+ * New clients should not use this adapter, but rather IAudioFlingerService directly, via
+ * BpAudioFlingerService.
+ */
+class AudioFlingerClientAdapter : public IAudioFlinger {
 public:
-    virtual status_t    onTransact( uint32_t code,
-                                    const Parcel& data,
-                                    Parcel* reply,
-                                    uint32_t flags = 0);
+    explicit AudioFlingerClientAdapter(const sp<media::IAudioFlingerService> delegate);
+
+    status_t createTrack(const media::CreateTrackRequest& input,
+                         media::CreateTrackResponse& output) override;
+    status_t createRecord(const media::CreateRecordRequest& input,
+                          media::CreateRecordResponse& output) override;
+    uint32_t sampleRate(audio_io_handle_t ioHandle) const override;
+    audio_format_t format(audio_io_handle_t output) const override;
+    size_t frameCount(audio_io_handle_t ioHandle) const override;
+    uint32_t latency(audio_io_handle_t output) const override;
+    status_t setMasterVolume(float value) override;
+    status_t setMasterMute(bool muted) override;
+    float masterVolume() const override;
+    bool masterMute() const override;
+    status_t setMasterBalance(float balance) override;
+    status_t getMasterBalance(float* balance) const override;
+    status_t setStreamVolume(audio_stream_type_t stream, float value,
+                             audio_io_handle_t output) override;
+    status_t setStreamMute(audio_stream_type_t stream, bool muted) override;
+    float streamVolume(audio_stream_type_t stream,
+                       audio_io_handle_t output) const override;
+    bool streamMute(audio_stream_type_t stream) const override;
+    status_t setMode(audio_mode_t mode) override;
+    status_t setMicMute(bool state) override;
+    bool getMicMute() const override;
+    void setRecordSilenced(audio_port_handle_t portId, bool silenced) override;
+    status_t setParameters(audio_io_handle_t ioHandle,
+                           const String8& keyValuePairs) override;
+    String8 getParameters(audio_io_handle_t ioHandle, const String8& keys)
+    const override;
+    void registerClient(const sp<media::IAudioFlingerClient>& client) override;
+    size_t getInputBufferSize(uint32_t sampleRate, audio_format_t format,
+                              audio_channel_mask_t channelMask) const override;
+    status_t openOutput(const media::OpenOutputRequest& request,
+                        media::OpenOutputResponse* response) override;
+    audio_io_handle_t openDuplicateOutput(audio_io_handle_t output1,
+                                          audio_io_handle_t output2) override;
+    status_t closeOutput(audio_io_handle_t output) override;
+    status_t suspendOutput(audio_io_handle_t output) override;
+    status_t restoreOutput(audio_io_handle_t output) override;
+    status_t openInput(const media::OpenInputRequest& request,
+                       media::OpenInputResponse* response) override;
+    status_t closeInput(audio_io_handle_t input) override;
+    status_t invalidateStream(audio_stream_type_t stream) override;
+    status_t setVoiceVolume(float volume) override;
+    status_t getRenderPosition(uint32_t* halFrames, uint32_t* dspFrames,
+                               audio_io_handle_t output) const override;
+    uint32_t getInputFramesLost(audio_io_handle_t ioHandle) const override;
+    audio_unique_id_t newAudioUniqueId(audio_unique_id_use_t use) override;
+    void acquireAudioSessionId(audio_session_t audioSession, pid_t pid, uid_t uid) override;
+    void releaseAudioSessionId(audio_session_t audioSession, pid_t pid) override;
+    status_t queryNumberEffects(uint32_t* numEffects) const override;
+    status_t queryEffect(uint32_t index, effect_descriptor_t* pDescriptor) const override;
+    status_t getEffectDescriptor(const effect_uuid_t* pEffectUUID,
+                                 const effect_uuid_t* pTypeUUID,
+                                 uint32_t preferredTypeFlag,
+                                 effect_descriptor_t* pDescriptor) const override;
+    status_t createEffect(const media::CreateEffectRequest& request,
+                          media::CreateEffectResponse* response) override;
+    status_t moveEffects(audio_session_t session, audio_io_handle_t srcOutput,
+                         audio_io_handle_t dstOutput) override;
+    void setEffectSuspended(int effectId,
+                            audio_session_t sessionId,
+                            bool suspended) override;
+    audio_module_handle_t loadHwModule(const char* name) override;
+    uint32_t getPrimaryOutputSamplingRate() override;
+    size_t getPrimaryOutputFrameCount() override;
+    status_t setLowRamDevice(bool isLowRamDevice, int64_t totalMemory) override;
+    status_t getAudioPort(struct audio_port_v7* port) override;
+    status_t createAudioPatch(const struct audio_patch* patch,
+                              audio_patch_handle_t* handle) override;
+    status_t releaseAudioPatch(audio_patch_handle_t handle) override;
+    status_t listAudioPatches(unsigned int* num_patches,
+                              struct audio_patch* patches) override;
+    status_t setAudioPortConfig(const struct audio_port_config* config) override;
+    audio_hw_sync_t getAudioHwSyncForSession(audio_session_t sessionId) override;
+    status_t systemReady() override;
+    size_t frameCountHAL(audio_io_handle_t ioHandle) const override;
+    status_t getMicrophones(std::vector<media::MicrophoneInfo>* microphones) override;
+    status_t setAudioHalPids(const std::vector<pid_t>& pids) override;
+
+private:
+    const sp<media::IAudioFlingerService> mDelegate;
 };
 
-// ----------------------------------------------------------------------------
+/**
+ * A server-side adapter, wrapping an IAudioFlinger instance and presenting it as an
+ * IAudioFlingerService. Intended to be used by legacy server code that was written against
+ * IAudioFlinger, before IAudioFlingerService was introduced as an AIDL service.
+ * New servers should not use this adapter, but rather implement IAudioFlingerService directly, via
+ * BnAudioFlingerService.
+ */
+class AudioFlingerServerAdapter : public media::BnAudioFlingerService {
+public:
+    using Status = binder::Status;
+
+    /**
+     * Legacy server should implement this interface in order to be wrapped.
+     */
+    class Delegate : public IAudioFlinger {
+    protected:
+        friend class AudioFlingerServerAdapter;
+
+        enum class TransactionCode {
+            CREATE_TRACK = media::BnAudioFlingerService::TRANSACTION_createTrack,
+            CREATE_RECORD = media::BnAudioFlingerService::TRANSACTION_createRecord,
+            SAMPLE_RATE = media::BnAudioFlingerService::TRANSACTION_sampleRate,
+            FORMAT = media::BnAudioFlingerService::TRANSACTION_format,
+            FRAME_COUNT = media::BnAudioFlingerService::TRANSACTION_frameCount,
+            LATENCY = media::BnAudioFlingerService::TRANSACTION_latency,
+            SET_MASTER_VOLUME = media::BnAudioFlingerService::TRANSACTION_setMasterVolume,
+            SET_MASTER_MUTE = media::BnAudioFlingerService::TRANSACTION_setMasterMute,
+            MASTER_VOLUME = media::BnAudioFlingerService::TRANSACTION_masterVolume,
+            MASTER_MUTE = media::BnAudioFlingerService::TRANSACTION_masterMute,
+            SET_STREAM_VOLUME = media::BnAudioFlingerService::TRANSACTION_setStreamVolume,
+            SET_STREAM_MUTE = media::BnAudioFlingerService::TRANSACTION_setStreamMute,
+            STREAM_VOLUME = media::BnAudioFlingerService::TRANSACTION_streamVolume,
+            STREAM_MUTE = media::BnAudioFlingerService::TRANSACTION_streamMute,
+            SET_MODE = media::BnAudioFlingerService::TRANSACTION_setMode,
+            SET_MIC_MUTE = media::BnAudioFlingerService::TRANSACTION_setMicMute,
+            GET_MIC_MUTE = media::BnAudioFlingerService::TRANSACTION_getMicMute,
+            SET_RECORD_SILENCED = media::BnAudioFlingerService::TRANSACTION_setRecordSilenced,
+            SET_PARAMETERS = media::BnAudioFlingerService::TRANSACTION_setParameters,
+            GET_PARAMETERS = media::BnAudioFlingerService::TRANSACTION_getParameters,
+            REGISTER_CLIENT = media::BnAudioFlingerService::TRANSACTION_registerClient,
+            GET_INPUTBUFFERSIZE = media::BnAudioFlingerService::TRANSACTION_getInputBufferSize,
+            OPEN_OUTPUT = media::BnAudioFlingerService::TRANSACTION_openOutput,
+            OPEN_DUPLICATE_OUTPUT = media::BnAudioFlingerService::TRANSACTION_openDuplicateOutput,
+            CLOSE_OUTPUT = media::BnAudioFlingerService::TRANSACTION_closeOutput,
+            SUSPEND_OUTPUT = media::BnAudioFlingerService::TRANSACTION_suspendOutput,
+            RESTORE_OUTPUT = media::BnAudioFlingerService::TRANSACTION_restoreOutput,
+            OPEN_INPUT = media::BnAudioFlingerService::TRANSACTION_openInput,
+            CLOSE_INPUT = media::BnAudioFlingerService::TRANSACTION_closeInput,
+            INVALIDATE_STREAM = media::BnAudioFlingerService::TRANSACTION_invalidateStream,
+            SET_VOICE_VOLUME = media::BnAudioFlingerService::TRANSACTION_setVoiceVolume,
+            GET_RENDER_POSITION = media::BnAudioFlingerService::TRANSACTION_getRenderPosition,
+            GET_INPUT_FRAMES_LOST = media::BnAudioFlingerService::TRANSACTION_getInputFramesLost,
+            NEW_AUDIO_UNIQUE_ID = media::BnAudioFlingerService::TRANSACTION_newAudioUniqueId,
+            ACQUIRE_AUDIO_SESSION_ID = media::BnAudioFlingerService::TRANSACTION_acquireAudioSessionId,
+            RELEASE_AUDIO_SESSION_ID = media::BnAudioFlingerService::TRANSACTION_releaseAudioSessionId,
+            QUERY_NUM_EFFECTS = media::BnAudioFlingerService::TRANSACTION_queryNumberEffects,
+            QUERY_EFFECT = media::BnAudioFlingerService::TRANSACTION_queryEffect,
+            GET_EFFECT_DESCRIPTOR = media::BnAudioFlingerService::TRANSACTION_getEffectDescriptor,
+            CREATE_EFFECT = media::BnAudioFlingerService::TRANSACTION_createEffect,
+            MOVE_EFFECTS = media::BnAudioFlingerService::TRANSACTION_moveEffects,
+            LOAD_HW_MODULE = media::BnAudioFlingerService::TRANSACTION_loadHwModule,
+            GET_PRIMARY_OUTPUT_SAMPLING_RATE = media::BnAudioFlingerService::TRANSACTION_getPrimaryOutputSamplingRate,
+            GET_PRIMARY_OUTPUT_FRAME_COUNT = media::BnAudioFlingerService::TRANSACTION_getPrimaryOutputFrameCount,
+            SET_LOW_RAM_DEVICE = media::BnAudioFlingerService::TRANSACTION_setLowRamDevice,
+            GET_AUDIO_PORT = media::BnAudioFlingerService::TRANSACTION_getAudioPort,
+            CREATE_AUDIO_PATCH = media::BnAudioFlingerService::TRANSACTION_createAudioPatch,
+            RELEASE_AUDIO_PATCH = media::BnAudioFlingerService::TRANSACTION_releaseAudioPatch,
+            LIST_AUDIO_PATCHES = media::BnAudioFlingerService::TRANSACTION_listAudioPatches,
+            SET_AUDIO_PORT_CONFIG = media::BnAudioFlingerService::TRANSACTION_setAudioPortConfig,
+            GET_AUDIO_HW_SYNC_FOR_SESSION = media::BnAudioFlingerService::TRANSACTION_getAudioHwSyncForSession,
+            SYSTEM_READY = media::BnAudioFlingerService::TRANSACTION_systemReady,
+            FRAME_COUNT_HAL = media::BnAudioFlingerService::TRANSACTION_frameCountHAL,
+            GET_MICROPHONES = media::BnAudioFlingerService::TRANSACTION_getMicrophones,
+            SET_MASTER_BALANCE = media::BnAudioFlingerService::TRANSACTION_setMasterBalance,
+            GET_MASTER_BALANCE = media::BnAudioFlingerService::TRANSACTION_getMasterBalance,
+            SET_EFFECT_SUSPENDED = media::BnAudioFlingerService::TRANSACTION_setEffectSuspended,
+            SET_AUDIO_HAL_PIDS = media::BnAudioFlingerService::TRANSACTION_setAudioHalPids,
+        };
+
+        /**
+         * And optional hook, called on every transaction, before unparceling the data and
+         * dispatching to the respective method. Useful for bulk operations, such as logging or
+         * permission checks.
+         * If an error status is returned, the transaction will return immediately and will not be
+         * processed.
+         */
+        virtual status_t onPreTransact(TransactionCode code, const Parcel& data, uint32_t flags) {
+            (void) code;
+            (void) data;
+            (void) flags;
+            return OK;
+        };
+
+        /**
+         * An optional hook for implementing diagnostics dumping.
+         */
+        virtual status_t dump(int fd, const Vector<String16>& args) {
+            (void) fd;
+            (void) args;
+            return OK;
+        }
+    };
+
+    explicit AudioFlingerServerAdapter(
+            const sp<AudioFlingerServerAdapter::Delegate>& delegate);
+
+    status_t onTransact(uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) override;
+    status_t dump(int fd, const Vector<String16>& args) override;
+
+    Status createTrack(const media::CreateTrackRequest& request,
+                       media::CreateTrackResponse* _aidl_return) override;
+    Status createRecord(const media::CreateRecordRequest& request,
+                        media::CreateRecordResponse* _aidl_return) override;
+    Status sampleRate(int32_t ioHandle, int32_t* _aidl_return) override;
+    Status format(int32_t output, media::audio::common::AudioFormat* _aidl_return) override;
+    Status frameCount(int32_t ioHandle, int64_t* _aidl_return) override;
+    Status latency(int32_t output, int32_t* _aidl_return) override;
+    Status setMasterVolume(float value) override;
+    Status setMasterMute(bool muted) override;
+    Status masterVolume(float* _aidl_return) override;
+    Status masterMute(bool* _aidl_return) override;
+    Status setMasterBalance(float balance) override;
+    Status getMasterBalance(float* _aidl_return) override;
+    Status setStreamVolume(media::AudioStreamType stream, float value, int32_t output) override;
+    Status setStreamMute(media::AudioStreamType stream, bool muted) override;
+    Status
+    streamVolume(media::AudioStreamType stream, int32_t output, float* _aidl_return) override;
+    Status streamMute(media::AudioStreamType stream, bool* _aidl_return) override;
+    Status setMode(media::AudioMode mode) override;
+    Status setMicMute(bool state) override;
+    Status getMicMute(bool* _aidl_return) override;
+    Status setRecordSilenced(int32_t portId, bool silenced) override;
+    Status setParameters(int32_t ioHandle, const std::string& keyValuePairs) override;
+    Status
+    getParameters(int32_t ioHandle, const std::string& keys, std::string* _aidl_return) override;
+    Status registerClient(const sp<media::IAudioFlingerClient>& client) override;
+    Status getInputBufferSize(int32_t sampleRate, media::audio::common::AudioFormat format,
+                              int32_t channelMask, int64_t* _aidl_return) override;
+    Status openOutput(const media::OpenOutputRequest& request,
+                      media::OpenOutputResponse* _aidl_return) override;
+    Status openDuplicateOutput(int32_t output1, int32_t output2, int32_t* _aidl_return) override;
+    Status closeOutput(int32_t output) override;
+    Status suspendOutput(int32_t output) override;
+    Status restoreOutput(int32_t output) override;
+    Status openInput(const media::OpenInputRequest& request,
+                     media::OpenInputResponse* _aidl_return) override;
+    Status closeInput(int32_t input) override;
+    Status invalidateStream(media::AudioStreamType stream) override;
+    Status setVoiceVolume(float volume) override;
+    Status getRenderPosition(int32_t output, media::RenderPosition* _aidl_return) override;
+    Status getInputFramesLost(int32_t ioHandle, int32_t* _aidl_return) override;
+    Status newAudioUniqueId(media::AudioUniqueIdUse use, int32_t* _aidl_return) override;
+    Status acquireAudioSessionId(int32_t audioSession, int32_t pid, int32_t uid) override;
+    Status releaseAudioSessionId(int32_t audioSession, int32_t pid) override;
+    Status queryNumberEffects(int32_t* _aidl_return) override;
+    Status queryEffect(int32_t index, media::EffectDescriptor* _aidl_return) override;
+    Status getEffectDescriptor(const media::AudioUuid& effectUUID, const media::AudioUuid& typeUUID,
+                               int32_t preferredTypeFlag,
+                               media::EffectDescriptor* _aidl_return) override;
+    Status createEffect(const media::CreateEffectRequest& request,
+                        media::CreateEffectResponse* _aidl_return) override;
+    Status moveEffects(int32_t session, int32_t srcOutput, int32_t dstOutput) override;
+    Status setEffectSuspended(int32_t effectId, int32_t sessionId, bool suspended) override;
+    Status loadHwModule(const std::string& name, int32_t* _aidl_return) override;
+    Status getPrimaryOutputSamplingRate(int32_t* _aidl_return) override;
+    Status getPrimaryOutputFrameCount(int64_t* _aidl_return) override;
+    Status setLowRamDevice(bool isLowRamDevice, int64_t totalMemory) override;
+    Status getAudioPort(const media::AudioPort& port, media::AudioPort* _aidl_return) override;
+    Status createAudioPatch(const media::AudioPatch& patch, int32_t* _aidl_return) override;
+    Status releaseAudioPatch(int32_t handle) override;
+    Status listAudioPatches(int32_t maxCount,
+                            std::vector<media::AudioPatch>* _aidl_return) override;
+    Status setAudioPortConfig(const media::AudioPortConfig& config) override;
+    Status getAudioHwSyncForSession(int32_t sessionId, int32_t* _aidl_return) override;
+    Status systemReady() override;
+    Status frameCountHAL(int32_t ioHandle, int64_t* _aidl_return) override;
+    Status getMicrophones(std::vector<media::MicrophoneInfoData>* _aidl_return) override;
+    Status setAudioHalPids(const std::vector<int32_t>& pids) override;
+
+private:
+    const sp<AudioFlingerServerAdapter::Delegate> mDelegate;
+};
 
 }; // namespace android
 
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index e7a12df..6d96a8d 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -185,9 +185,15 @@
 
 // ----------------------------------------------------------------------------
 
+void AudioFlinger::instantiate() {
+    sp<IServiceManager> sm(defaultServiceManager());
+    sm->addService(String16(IAudioFlinger::DEFAULT_SERVICE_NAME),
+                   new AudioFlingerServerAdapter(new AudioFlinger()), false,
+                   IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT);
+}
+
 AudioFlinger::AudioFlinger()
-    : BnAudioFlinger(),
-      mMediaLogNotifier(new AudioFlinger::MediaLogNotifier()),
+    : mMediaLogNotifier(new AudioFlinger::MediaLogNotifier()),
       mPrimaryHardwareDev(NULL),
       mAudioHwDevs(NULL),
       mHardwareStatus(AUDIO_HW_IDLE),
@@ -4042,42 +4048,40 @@
 
 // ----------------------------------------------------------------------------
 
-status_t AudioFlinger::onTransact(
-        uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+status_t AudioFlinger::onPreTransact(
+        TransactionCode code, const Parcel& /* data */, uint32_t /* flags */)
 {
     // make sure transactions reserved to AudioPolicyManager do not come from other processes
     switch (code) {
-        case SET_STREAM_VOLUME:
-        case SET_STREAM_MUTE:
-        case OPEN_OUTPUT:
-        case OPEN_DUPLICATE_OUTPUT:
-        case CLOSE_OUTPUT:
-        case SUSPEND_OUTPUT:
-        case RESTORE_OUTPUT:
-        case OPEN_INPUT:
-        case CLOSE_INPUT:
-        case INVALIDATE_STREAM:
-        case SET_VOICE_VOLUME:
-        case MOVE_EFFECTS:
-        case SET_EFFECT_SUSPENDED:
-        case LOAD_HW_MODULE:
-        case LIST_AUDIO_PORTS:
-        case GET_AUDIO_PORT:
-        case CREATE_AUDIO_PATCH:
-        case RELEASE_AUDIO_PATCH:
-        case LIST_AUDIO_PATCHES:
-        case SET_AUDIO_PORT_CONFIG:
-        case SET_RECORD_SILENCED:
+        case TransactionCode::SET_STREAM_VOLUME:
+        case TransactionCode::SET_STREAM_MUTE:
+        case TransactionCode::OPEN_OUTPUT:
+        case TransactionCode::OPEN_DUPLICATE_OUTPUT:
+        case TransactionCode::CLOSE_OUTPUT:
+        case TransactionCode::SUSPEND_OUTPUT:
+        case TransactionCode::RESTORE_OUTPUT:
+        case TransactionCode::OPEN_INPUT:
+        case TransactionCode::CLOSE_INPUT:
+        case TransactionCode::INVALIDATE_STREAM:
+        case TransactionCode::SET_VOICE_VOLUME:
+        case TransactionCode::MOVE_EFFECTS:
+        case TransactionCode::SET_EFFECT_SUSPENDED:
+        case TransactionCode::LOAD_HW_MODULE:
+        case TransactionCode::GET_AUDIO_PORT:
+        case TransactionCode::CREATE_AUDIO_PATCH:
+        case TransactionCode::RELEASE_AUDIO_PATCH:
+        case TransactionCode::LIST_AUDIO_PATCHES:
+        case TransactionCode::SET_AUDIO_PORT_CONFIG:
+        case TransactionCode::SET_RECORD_SILENCED:
             ALOGW("%s: transaction %d received from PID %d",
                   __func__, code, IPCThreadState::self()->getCallingPid());
             // return status only for non void methods
             switch (code) {
-                case SET_RECORD_SILENCED:
-                case SET_EFFECT_SUSPENDED:
+                case TransactionCode::SET_RECORD_SILENCED:
+                case TransactionCode::SET_EFFECT_SUSPENDED:
                     break;
                 default:
-                    reply->writeInt32(static_cast<int32_t> (INVALID_OPERATION));
-                    break;
+                    return INVALID_OPERATION;
             }
             return OK;
         default:
@@ -4086,24 +4090,23 @@
 
     // make sure the following transactions come from system components
     switch (code) {
-        case SET_MASTER_VOLUME:
-        case SET_MASTER_MUTE:
-        case SET_MODE:
-        case SET_MIC_MUTE:
-        case SET_LOW_RAM_DEVICE:
-        case SYSTEM_READY:
-        case SET_AUDIO_HAL_PIDS: {
+        case TransactionCode::SET_MASTER_VOLUME:
+        case TransactionCode::SET_MASTER_MUTE:
+        case TransactionCode::SET_MODE:
+        case TransactionCode::SET_MIC_MUTE:
+        case TransactionCode::SET_LOW_RAM_DEVICE:
+        case TransactionCode::SYSTEM_READY:
+        case TransactionCode::SET_AUDIO_HAL_PIDS: {
             if (!isServiceUid(IPCThreadState::self()->getCallingUid())) {
                 ALOGW("%s: transaction %d received from PID %d unauthorized UID %d",
                       __func__, code, IPCThreadState::self()->getCallingPid(),
                       IPCThreadState::self()->getCallingUid());
                 // return status only for non void methods
                 switch (code) {
-                    case SYSTEM_READY:
+                    case TransactionCode::SYSTEM_READY:
                         break;
                     default:
-                        reply->writeInt32(static_cast<int32_t> (INVALID_OPERATION));
-                        break;
+                        return INVALID_OPERATION;
                 }
                 return OK;
             }
@@ -4117,14 +4120,14 @@
     // most relevant events.
     // TODO should select more wisely the items from the list
     switch (code) {
-        case CREATE_TRACK:
-        case CREATE_RECORD:
-        case SET_MASTER_VOLUME:
-        case SET_MASTER_MUTE:
-        case SET_MIC_MUTE:
-        case SET_PARAMETERS:
-        case CREATE_EFFECT:
-        case SYSTEM_READY: {
+        case TransactionCode::CREATE_TRACK:
+        case TransactionCode::CREATE_RECORD:
+        case TransactionCode::SET_MASTER_VOLUME:
+        case TransactionCode::SET_MASTER_MUTE:
+        case TransactionCode::SET_MIC_MUTE:
+        case TransactionCode::SET_PARAMETERS:
+        case TransactionCode::CREATE_EFFECT:
+        case TransactionCode::SYSTEM_READY: {
             requestLogMerge();
             break;
         }
@@ -4132,7 +4135,8 @@
             break;
     }
 
-    std::string tag("IAudioFlinger command " + std::to_string(code));
+    std::string tag("IAudioFlinger command " +
+                    std::to_string(static_cast<std::underlying_type_t<TransactionCode>>(code)));
     TimeCheck check(tag.c_str());
 
     // Make sure we connect to Audio Policy Service before calling into AudioFlinger:
@@ -4145,7 +4149,7 @@
         AudioSystem::get_audio_policy_service();
     }
 
-    return BnAudioFlinger::onTransact(code, data, reply, flags);
+    return OK;
 }
 
 } // namespace android
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index a2e50f8..1cf1e67 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -123,16 +123,12 @@
 
 #define INCLUDING_FROM_AUDIOFLINGER_H
 
-class AudioFlinger :
-    public BinderService<AudioFlinger>,
-    public BnAudioFlinger
+class AudioFlinger : public AudioFlingerServerAdapter::Delegate
 {
-    friend class BinderService<AudioFlinger>;   // for AudioFlinger()
-
 public:
-    static const char* getServiceName() ANDROID_API { return "media.audio_flinger"; }
+    static void instantiate() ANDROID_API;
 
-    virtual     status_t    dump(int fd, const Vector<String16>& args);
+    status_t dump(int fd, const Vector<String16>& args) override;
 
     // IAudioFlinger interface, in binder opcode order
     status_t createTrack(const media::CreateTrackRequest& input,
@@ -270,11 +266,7 @@
 
     virtual status_t setAudioHalPids(const std::vector<pid_t>& pids);
 
-    virtual     status_t    onTransact(
-                                uint32_t code,
-                                const Parcel& data,
-                                Parcel* reply,
-                                uint32_t flags);
+    status_t onPreTransact(TransactionCode code, const Parcel& data, uint32_t flags) override;
 
     // end of IAudioFlinger interface