Add AudioRouting interface for MediaPlayer (156c6873) · Commits · e / os / android_frameworks_av

media/libaudioclient/AudioTrack.cpp

+7 −4

Original line number	Diff line number	Diff line
		@@ -216,19 +216,19 @@ AudioTrack::AudioTrack(
		pid_t pid,
		const audio_attributes_t* pAttributes,
		bool doNotReconnect,
		float maxRequiredSpeed)
		float maxRequiredSpeed,
		audio_port_handle_t selectedDeviceId)
		: mStatus(NO_INIT),
		mState(STATE_STOPPED),
		mPreviousPriority(ANDROID_PRIORITY_NORMAL),
		mPreviousSchedulingGroup(SP_DEFAULT),
		mPausedPosition(0),
		mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE),
		mPortId(AUDIO_PORT_HANDLE_NONE)
		{
		mStatus = set(streamType, sampleRate, format, channelMask,
		frameCount, flags, cbf, user, notificationFrames,
		0 /sharedBuffer/, false /threadCanCallJava/, sessionId, transferType,
		offloadInfo, uid, pid, pAttributes, doNotReconnect, maxRequiredSpeed);
		offloadInfo, uid, pid, pAttributes, doNotReconnect, maxRequiredSpeed, selectedDeviceId);
		}

		AudioTrack::AudioTrack(
		@@ -310,7 +310,8 @@ status_t AudioTrack::set(
		pid_t pid,
		const audio_attributes_t* pAttributes,
		bool doNotReconnect,
		float maxRequiredSpeed)
		float maxRequiredSpeed,
		audio_port_handle_t selectedDeviceId)
		{
		ALOGV("set(): streamType %d, sampleRate %u, format %#x, channelMask %#x, frameCount %zu, "
		"flags #%x, notificationFrames %d, sessionId %d, transferType %d, uid %d, pid %d",
		@@ -318,6 +319,7 @@ status_t AudioTrack::set(
		sessionId, transferType, uid, pid);

		mThreadCanCallJava = threadCanCallJava;
		mSelectedDeviceId = selectedDeviceId;

		switch (transferType) {
		case TRANSFER_DEFAULT:
		@@ -1221,6 +1223,7 @@ status_t AudioTrack::setOutputDevice(audio_port_handle_t deviceId) {
		mSelectedDeviceId = deviceId;
		if (mStatus == NO_ERROR) {
		android_atomic_or(CBLK_INVALID, &mCblk->mFlags);
		mProxy->interrupt();
		}
		}
		return NO_ERROR;

media/libaudioclient/include/media/AudioTrack.h

+6 −2

Original line number	Diff line number	Diff line
		@@ -218,6 +218,8 @@ public:
		* maxRequiredSpeed playback. Values less than 1.0f and greater than
		* AUDIO_TIMESTRETCH_SPEED_MAX will be clamped. For non-PCM tracks
		* and direct or offloaded tracks, this parameter is ignored.
		* selectedDeviceId: Selected device id of the app which initially requested the AudioTrack
		* to open with a specific device.
		* threadCanCallJava: Not present in parameter list, and so is fixed at false.
		*/

		@@ -237,7 +239,8 @@ public:
		pid_t pid = -1,
		const audio_attributes_t* pAttributes = NULL,
		bool doNotReconnect = false,
		float maxRequiredSpeed = 1.0f);
		float maxRequiredSpeed = 1.0f,
		audio_port_handle_t selectedDeviceId = AUDIO_PORT_HANDLE_NONE);

		/* Creates an audio track and registers it with AudioFlinger.
		* With this constructor, the track is configured for static buffer mode.
		@@ -313,7 +316,8 @@ public:
		pid_t pid = -1,
		const audio_attributes_t* pAttributes = NULL,
		bool doNotReconnect = false,
		float maxRequiredSpeed = 1.0f);
		float maxRequiredSpeed = 1.0f,
		audio_port_handle_t selectedDeviceId = AUDIO_PORT_HANDLE_NONE);

		/* Result of constructing the AudioTrack. This must be checked for successful initialization
		* before using any AudioTrack API (except for set()), because using

media/libmedia/IMediaPlayer.cpp

+92 −0

Original line number	Diff line number	Diff line
		@@ -78,6 +78,10 @@ enum {
		// Modular DRM
		PREPARE_DRM,
		RELEASE_DRM,
		// AudioRouting
		SET_OUTPUT_DEVICE,
		GET_ROUTED_DEVICE_ID,
		ENABLE_AUDIO_DEVICE_CALLBACK,
		};

		// ModDrm helpers
		@@ -559,6 +563,59 @@ public:

		return reply.readInt32();
		}

		status_t setOutputDevice(audio_port_handle_t deviceId)
		{
		Parcel data, reply;
		data.writeInterfaceToken(IMediaPlayer::getInterfaceDescriptor());

		data.writeInt32(deviceId);

		status_t status = remote()->transact(SET_OUTPUT_DEVICE, data, &reply);
		if (status != OK) {
		ALOGE("setOutputDevice: binder call failed: %d", status);
		return status;
		}

		return reply.readInt32();
		}

		status_t getRoutedDeviceId(audio_port_handle_t* deviceId)
		{
		Parcel data, reply;
		data.writeInterfaceToken(IMediaPlayer::getInterfaceDescriptor());

		status_t status = remote()->transact(GET_ROUTED_DEVICE_ID, data, &reply);
		if (status != OK) {
		ALOGE("getRoutedDeviceid: binder call failed: %d", status);
		*deviceId = AUDIO_PORT_HANDLE_NONE;
		return status;
		}

		status = reply.readInt32();
		if (status != NO_ERROR) {
		*deviceId = AUDIO_PORT_HANDLE_NONE;
		} else {
		*deviceId = reply.readInt32();
		}
		return status;
		}

		status_t enableAudioDeviceCallback(bool enabled)
		{
		Parcel data, reply;
		data.writeInterfaceToken(IMediaPlayer::getInterfaceDescriptor());

		data.writeBool(enabled);

		status_t status = remote()->transact(ENABLE_AUDIO_DEVICE_CALLBACK, data, &reply);
		if (status != OK) {
		ALOGE("enableAudioDeviceCallback: binder call failed: %d, %d", enabled, status);
		return status;
		}

		return reply.readInt32();
		}
		};

		IMPLEMENT_META_INTERFACE(MediaPlayer, "android.media.IMediaPlayer");
		@@ -916,6 +973,41 @@ status_t BnMediaPlayer::onTransact(
		reply->writeInt32(result);
		return OK;
		}

		// AudioRouting
		case SET_OUTPUT_DEVICE: {
		CHECK_INTERFACE(IMediaPlayer, data, reply);
		int deviceId;
		status_t status = data.readInt32(&deviceId);
		if (status == NO_ERROR) {
		reply->writeInt32(setOutputDevice(deviceId));
		} else {
		reply->writeInt32(BAD_VALUE);
		}
		return NO_ERROR;
		}
		case GET_ROUTED_DEVICE_ID: {
		CHECK_INTERFACE(IMediaPlayer, data, reply);
		audio_port_handle_t deviceId;
		status_t ret = getRoutedDeviceId(&deviceId);
		reply->writeInt32(ret);
		if (ret == NO_ERROR) {
		reply->writeInt32(deviceId);
		}
		return NO_ERROR;
		} break;
		case ENABLE_AUDIO_DEVICE_CALLBACK: {
		CHECK_INTERFACE(IMediaPlayer, data, reply);
		bool enabled;
		status_t status = data.readBool(&enabled);
		if (status == NO_ERROR) {
		reply->writeInt32(enableAudioDeviceCallback(enabled));
		} else {
		reply->writeInt32(BAD_VALUE);
		}
		return NO_ERROR;
		} break;

		default:
		return BBinder::onTransact(code, data, reply, flags);
		}

media/libmedia/include/media/IMediaPlayer.h

+5 −0

Original line number	Diff line number	Diff line
		@@ -131,6 +131,11 @@ public:
		virtual status_t getMetadata(bool update_only,
		bool apply_filter,
		Parcel *metadata) = 0;

		// AudioRouting
		virtual status_t setOutputDevice(audio_port_handle_t deviceId) = 0;
		virtual status_t getRoutedDeviceId(audio_port_handle_t *deviceId) = 0;
		virtual status_t enableAudioDeviceCallback(bool enabled) = 0;
		};

		// ----------------------------------------------------------------------------

media/libmedia/include/media/mediaplayer.h

+5 −0

Original line number	Diff line number	Diff line
		@@ -57,6 +57,7 @@ enum media_event_type {
		MEDIA_SUBTITLE_DATA = 201,
		MEDIA_META_DATA = 202,
		MEDIA_DRM_INFO = 210,
		MEDIA_AUDIO_ROUTING_CHANGED = 10000,
		};

		// Generic error codes for the media player framework. Errors are fatal, the
		@@ -275,6 +276,10 @@ public:
		// Modular DRM
		status_t prepareDrm(const uint8_t uuid[16], const Vector<uint8_t>& drmSessionId);
		status_t releaseDrm();
		// AudioRouting
		status_t setOutputDevice(audio_port_handle_t deviceId);
		audio_port_handle_t getRoutedDeviceId();
		status_t enableAudioDeviceCallback(bool enabled);

		private:
		void clear_l();