Implement android.media.AudioManager.getProperty() (cc0f1cfb) · Commits · e / os / android_frameworks_av

include/media/AudioSystem.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -234,6 +234,10 @@ public:

		static const sp<IAudioPolicyService>& get_audio_policy_service();

		// helpers for android.media.AudioManager.getProperty(), see description there for meaning
		static int32_t getPrimaryOutputSamplingRate();
		static int32_t getPrimaryOutputFrameCount();

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

		private:

+7 −0

Original line number	Diff line number	Diff line
		@@ -187,6 +187,13 @@ public:
		audio_io_handle_t dstOutput) = 0;

		virtual audio_module_handle_t loadHwModule(const char *name) = 0;

		// 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.
		virtual int32_t getPrimaryOutputSamplingRate() = 0;
		virtual int32_t getPrimaryOutputFrameCount() = 0;

		};

+13 −0

Original line number	Diff line number	Diff line
		@@ -735,6 +735,19 @@ status_t AudioSystem::isStreamActive(audio_stream_type_t stream, bool* state, ui
		return NO_ERROR;
		}

		int32_t AudioSystem::getPrimaryOutputSamplingRate()
		{
		const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
		if (af == 0) return 0;
		return af->getPrimaryOutputSamplingRate();
		}

		int32_t AudioSystem::getPrimaryOutputFrameCount()
		{
		const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
		if (af == 0) return 0;
		return af->getPrimaryOutputFrameCount();
		}

		void AudioSystem::clearAudioConfigCache()
		{

+30 −1

Original line number	Diff line number	Diff line
		@@ -70,7 +70,9 @@ enum {
		GET_EFFECT_DESCRIPTOR,
		CREATE_EFFECT,
		MOVE_EFFECTS,
		LOAD_HW_MODULE
		LOAD_HW_MODULE,
		GET_PRIMARY_OUTPUT_SAMPLING_RATE,
		GET_PRIMARY_OUTPUT_FRAME_COUNT,
		};

		class BpAudioFlinger : public BpInterface<IAudioFlinger>
		@@ -687,6 +689,23 @@ public:
		remote()->transact(LOAD_HW_MODULE, data, &reply);
		return (audio_module_handle_t) reply.readInt32();
		}

		virtual int32_t getPrimaryOutputSamplingRate()
		{
		Parcel data, reply;
		data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
		remote()->transact(GET_PRIMARY_OUTPUT_SAMPLING_RATE, data, &reply);
		return reply.readInt32();
		}

		virtual int32_t getPrimaryOutputFrameCount()
		{
		Parcel data, reply;
		data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
		remote()->transact(GET_PRIMARY_OUTPUT_FRAME_COUNT, data, &reply);
		return reply.readInt32();
		}

		};

		IMPLEMENT_META_INTERFACE(AudioFlinger, "android.media.IAudioFlinger");
		@@ -1045,6 +1064,16 @@ status_t BnAudioFlinger::onTransact(
		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->writeInt32(getPrimaryOutputFrameCount());
		return NO_ERROR;
		} break;
		default:
		return BBinder::onTransact(code, data, reply, flags);
		}

+18 −0

Original line number	Diff line number	Diff line
		@@ -6903,6 +6903,24 @@ audio_module_handle_t AudioFlinger::loadHwModule_l(const char *name)

		}

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

		int32_t AudioFlinger::getPrimaryOutputSamplingRate()
		{
		Mutex::Autolock _l(mLock);
		PlaybackThread *thread = primaryPlaybackThread_l();
		return thread != NULL ? thread->sampleRate() : 0;
		}

		int32_t AudioFlinger::getPrimaryOutputFrameCount()
		{
		Mutex::Autolock _l(mLock);
		PlaybackThread *thread = primaryPlaybackThread_l();
		return thread != NULL ? thread->frameCountHAL() : 0;
		}

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

		audio_io_handle_t AudioFlinger::openOutput(audio_module_handle_t module,
		audio_devices_t *pDevices,
		uint32_t *pSamplingRate,