aaudio: fix device switch detection in legacy path am: fb00fc77f5 (ef44fb41) · Commits · e / devices / smdk4412 / android_frameworks_av

media/libaaudio/src/legacy/AudioStreamLegacy.cpp

+57 −28

Original line number	Diff line number	Diff line
		@@ -30,7 +30,7 @@ using namespace android;
		using namespace aaudio;

		AudioStreamLegacy::AudioStreamLegacy()
		: AudioStream() {
		: AudioStream(), mDeviceCallback(new StreamDeviceCallback(this)) {
		}

		AudioStreamLegacy::~AudioStreamLegacy() {
		@@ -60,9 +60,16 @@ int32_t AudioStreamLegacy::onProcessFixedBlock(uint8_t *buffer, int32_t numBytes

		void AudioStreamLegacy::processCallbackCommon(aaudio_callback_operation_t opcode, void *info) {
		aaudio_data_callback_result_t callbackResult;

		if (!mCallbackEnabled.load()) {
		return;
		}

		switch (opcode) {
		case AAUDIO_CALLBACK_OPERATION_PROCESS_DATA: {
		// Note that this code assumes an AudioTrack::Buffer is the same as AudioRecord::Buffer
		if (getState() != AAUDIO_STREAM_STATE_DISCONNECTED) {
		// Note that this code assumes an AudioTrack::Buffer is the same as
		// AudioRecord::Buffer
		// TODO define our own AudioBuffer and pass it from the subclasses.
		AudioTrack::Buffer audioBuffer = static_cast<AudioTrack::Buffer >(info);
		if (audioBuffer->frameCount == 0) return;
		@@ -70,8 +77,8 @@ void AudioStreamLegacy::processCallbackCommon(aaudio_callback_operation_t opcode
		// If the caller specified an exact size then use a block size adapter.
		if (mBlockAdapter != nullptr) {
		int32_t byteCount = audioBuffer->frameCount * getBytesPerFrame();
		callbackResult = mBlockAdapter->processVariableBlock((uint8_t *) audioBuffer->raw,
		byteCount);
		callbackResult = mBlockAdapter->processVariableBlock(
		(uint8_t *) audioBuffer->raw, byteCount);
		} else {
		// Call using the AAudio callback interface.
		callbackResult = (*getDataCallbackProc())(
		@@ -87,17 +94,20 @@ void AudioStreamLegacy::processCallbackCommon(aaudio_callback_operation_t opcode
		} else {
		audioBuffer->size = 0;
		}
		}
		break;
		}
		}
		/// FALL THROUGH

		// Stream got rerouted so we disconnect.
		case AAUDIO_CALLBACK_OPERATION_DISCONNECTED: {
		ALOGD("AudioStreamAAudio(): callbackLoop() stream disconnected");
		setState(AAUDIO_STREAM_STATE_DISCONNECTED);
		ALOGD("processCallbackCommon() stream disconnected");
		if (getErrorCallbackProc() != nullptr) {
		(*getErrorCallbackProc())(
		(AAudioStream *) this,
		getErrorCallbackUserData(),
		AAUDIO_OK
		AAUDIO_ERROR_DISCONNECTED
		);
		}
		mCallbackEnabled.store(false);
		@@ -129,3 +139,22 @@ aaudio_result_t AudioStreamLegacy::getBestTimestamp(clockid_t clockId,
		status_t status = extendedTimestamp->getBestTimestamp(framePosition, timeNanoseconds, timebase);
		return AAudioConvert_androidToAAudioResult(status);
		}

		void AudioStreamLegacy::onAudioDeviceUpdate(audio_port_handle_t deviceId)
		{
		ALOGD("onAudioDeviceUpdate() deviceId %d", (int)deviceId);
		if (getDeviceId() != AAUDIO_UNSPECIFIED && getDeviceId() != deviceId &&
		getState() != AAUDIO_STREAM_STATE_DISCONNECTED) {
		setState(AAUDIO_STREAM_STATE_DISCONNECTED);
		// if we have a data callback and the stream is active, send the error callback from
		// data callback thread when it sees the DISCONNECTED state
		if (!isDataCallbackActive() && getErrorCallbackProc() != nullptr) {
		(*getErrorCallbackProc())(
		(AAudioStream *) this,
		getErrorCallbackUserData(),
		AAUDIO_ERROR_DISCONNECTED
		);
		}
		}
		setDeviceId(deviceId);
		}

media/libaaudio/src/legacy/AudioStreamLegacy.h

+24 −0

Original line number	Diff line number	Diff line
		@@ -18,6 +18,7 @@
		#define LEGACY_AUDIO_STREAM_LEGACY_H

		#include <media/AudioTimestamp.h>
		#include <media/AudioSystem.h>

		#include <aaudio/AAudio.h>

		@@ -75,14 +76,37 @@ public:

		protected:

		class StreamDeviceCallback : public android::AudioSystem::AudioDeviceCallback
		{
		public:

		StreamDeviceCallback(AudioStreamLegacy *parent) : mParent(parent) {}
		virtual ~StreamDeviceCallback() {}

		virtual void onAudioDeviceUpdate(audio_io_handle_t audioIo __unused,
		audio_port_handle_t deviceId) {
		if (mParent != nullptr) {
		mParent->onAudioDeviceUpdate(deviceId);
		}
		}

		AudioStreamLegacy *mParent;
		};

		aaudio_result_t getBestTimestamp(clockid_t clockId,
		int64_t *framePosition,
		int64_t *timeNanoseconds,
		android::ExtendedTimestamp *extendedTimestamp);

		void onAudioDeviceUpdate(audio_port_handle_t deviceId);

		void onStart() { mCallbackEnabled.store(true); }
		void onStop() { mCallbackEnabled.store(false); }

		FixedBlockAdapter *mBlockAdapter = nullptr;
		aaudio_wrapping_frames_t mPositionWhenStarting = 0;
		int32_t mCallbackBufferSize = 0;
		const android::sp<StreamDeviceCallback> mDeviceCallback;
		};

		} /* namespace aaudio */

media/libaaudio/src/legacy/AudioStreamRecord.cpp

+21 −1

Original line number	Diff line number	Diff line
		@@ -99,15 +99,21 @@ aaudio_result_t AudioStreamRecord::open(const AudioStreamBuilder& builder)
		ALOGD("AudioStreamRecord::open(), request notificationFrames = %u, frameCount = %u",
		notificationFrames, (uint)frameCount);
		mAudioRecord = new AudioRecord(
		mOpPackageName // const String16& opPackageName TODO does not compile
		);
		if (getDeviceId() != AAUDIO_UNSPECIFIED) {
		mAudioRecord->setInputDevice(getDeviceId());
		}
		mAudioRecord->set(
		AUDIO_SOURCE_VOICE_RECOGNITION,
		getSampleRate(),
		format,
		channelMask,
		mOpPackageName, // const String16& opPackageName TODO does not compile
		frameCount,
		callback,
		callbackData,
		notificationFrames,
		false /threadCanCallJava/,
		AUDIO_SESSION_ALLOCATE,
		streamTransferType,
		flags
		@@ -162,6 +168,8 @@ aaudio_result_t AudioStreamRecord::open(const AudioStreamBuilder& builder)
		perfMode, actualPerformanceMode);

		setState(AAUDIO_STREAM_STATE_OPEN);
		setDeviceId(mAudioRecord->getRoutedDeviceId());
		mAudioRecord->addAudioDeviceCallback(mDeviceCallback);

		return AAUDIO_OK;
		}
		@@ -209,6 +217,7 @@ aaudio_result_t AudioStreamRecord::requestStart()
		if (err != OK) {
		return AAudioConvert_androidToAAudioResult(err);
		} else {
		onStart();
		setState(AAUDIO_STREAM_STATE_STARTING);
		}
		return AAUDIO_OK;
		@@ -230,6 +239,7 @@ aaudio_result_t AudioStreamRecord::requestStop() {
		if (mAudioRecord.get() == nullptr) {
		return AAUDIO_ERROR_INVALID_STATE;
		}
		onStop();
		setState(AAUDIO_STREAM_STATE_STOPPING);
		incrementFramesWritten(getFramesRead() - getFramesWritten()); // TODO review
		mAudioRecord->stop();
		@@ -274,12 +284,22 @@ aaudio_result_t AudioStreamRecord::read(void *buffer,
		return result;
		}

		if (getState() == AAUDIO_STREAM_STATE_DISCONNECTED) {
		return AAUDIO_ERROR_DISCONNECTED;
		}

		// TODO add timeout to AudioRecord
		bool blocking = (timeoutNanoseconds > 0);
		ssize_t bytesRead = mAudioRecord->read(buffer, numBytes, blocking);
		if (bytesRead == WOULD_BLOCK) {
		return 0;
		} else if (bytesRead < 0) {
		// in this context, a DEAD_OBJECT is more likely to be a disconnect notification due to
		// AudioRecord invalidation
		if (bytesRead == DEAD_OBJECT) {
		setState(AAUDIO_STREAM_STATE_DISCONNECTED);
		return AAUDIO_ERROR_DISCONNECTED;
		}
		return AAudioConvert_androidToAAudioResult(bytesRead);
		}
		int32_t framesRead = (int32_t)(bytesRead / bytesPerFrame);

media/libaaudio/src/legacy/AudioStreamTrack.cpp

+21 −1

Original line number	Diff line number	Diff line
		@@ -115,7 +115,11 @@ aaudio_result_t AudioStreamTrack::open(const AudioStreamBuilder& builder)

		ALOGD("AudioStreamTrack::open(), request notificationFrames = %d, frameCount = %u",
		notificationFrames, (uint)frameCount);
		mAudioTrack = new AudioTrack(
		mAudioTrack = new AudioTrack();
		if (getDeviceId() != AAUDIO_UNSPECIFIED) {
		mAudioTrack->setOutputDevice(getDeviceId());
		}
		mAudioTrack->set(
		(audio_stream_type_t) AUDIO_STREAM_MUSIC,
		getSampleRate(),
		format,
		@@ -125,6 +129,8 @@ aaudio_result_t AudioStreamTrack::open(const AudioStreamBuilder& builder)
		callback,
		callbackData,
		notificationFrames,
		0 /sharedBuffer/,
		false /threadCanCallJava/,
		AUDIO_SESSION_ALLOCATE,
		streamTransferType
		);
		@@ -160,6 +166,7 @@ aaudio_result_t AudioStreamTrack::open(const AudioStreamBuilder& builder)

		setState(AAUDIO_STREAM_STATE_OPEN);
		setDeviceId(mAudioTrack->getRoutedDeviceId());
		mAudioTrack->addAudioDeviceCallback(mDeviceCallback);

		// Update performance mode based on the actual stream.
		// For example, if the sample rate is not allowed then you won't get a FAST track.
		@@ -229,6 +236,7 @@ aaudio_result_t AudioStreamTrack::requestStart()
		if (err != OK) {
		return AAudioConvert_androidToAAudioResult(err);
		} else {
		onStart();
		setState(AAUDIO_STREAM_STATE_STARTING);
		}
		return AAUDIO_OK;
		@@ -246,6 +254,7 @@ aaudio_result_t AudioStreamTrack::requestPause()
		AAudio_convertStreamStateToText(getState()));
		return AAUDIO_ERROR_INVALID_STATE;
		}
		onStop();
		setState(AAUDIO_STREAM_STATE_PAUSING);
		mAudioTrack->pause();
		status_t err = mAudioTrack->getPosition(&mPositionWhenPausing);
		@@ -276,6 +285,7 @@ aaudio_result_t AudioStreamTrack::requestStop() {
		if (mAudioTrack.get() == nullptr) {
		return AAUDIO_ERROR_INVALID_STATE;
		}
		onStop();
		setState(AAUDIO_STREAM_STATE_STOPPING);
		incrementFramesRead(getFramesWritten() - getFramesRead()); // TODO review
		mAudioTrack->stop();
		@@ -339,6 +349,10 @@ aaudio_result_t AudioStreamTrack::write(const void *buffer,
		return result;
		}

		if (getState() == AAUDIO_STREAM_STATE_DISCONNECTED) {
		return AAUDIO_ERROR_DISCONNECTED;
		}

		// TODO add timeout to AudioTrack
		bool blocking = timeoutNanoseconds > 0;
		ssize_t bytesWritten = mAudioTrack->write(buffer, numBytes, blocking);
		@@ -346,6 +360,12 @@ aaudio_result_t AudioStreamTrack::write(const void *buffer,
		return 0;
		} else if (bytesWritten < 0) {
		ALOGE("invalid write, returned %d", (int)bytesWritten);
		// in this context, a DEAD_OBJECT is more likely to be a disconnect notification due to
		// AudioTrack invalidation
		if (bytesWritten == DEAD_OBJECT) {
		setState(AAUDIO_STREAM_STATE_DISCONNECTED);
		return AAUDIO_ERROR_DISCONNECTED;
		}
		return AAudioConvert_androidToAAudioResult(bytesWritten);
		}
		int32_t framesWritten = (int32_t)(bytesWritten / bytesPerFrame);

media/libaudioclient/AudioRecord.cpp

+7 −5

Original line number	Diff line number	Diff line
		@@ -481,6 +481,7 @@ status_t AudioRecord::setInputDevice(audio_port_handle_t deviceId) {
		AutoMutex lock(mLock);
		if (mSelectedDeviceId != deviceId) {
		mSelectedDeviceId = deviceId;
		if (mStatus == NO_ERROR) {
		// stop capture so that audio policy manager does not reject the new instance start request
		// as only one capture can be active at a time.
		if (mAudioRecord != 0 && mActive) {
		@@ -488,6 +489,7 @@ status_t AudioRecord::setInputDevice(audio_port_handle_t deviceId) {
		}
		android_atomic_or(CBLK_INVALID, &mCblk->mFlags);
		}
		}
		return NO_ERROR;
		}