118     mAudioTrack = new AudioTrack();  in open()
120         mAudioTrack->setOutputDevice(getDeviceId());  in open()
122     mAudioTrack->set(  in open()
139     status_t status = mAudioTrack->initCheck();  in open()
147     init(mAudioTrack.get(), PLAYER_TYPE_AAUDIO, AUDIO_USAGE_MEDIA);  in open()
150     setSamplesPerFrame(mAudioTrack->channelCount());  in open()
152             AAudioConvert_androidToAAudioDataFormat(mAudioTrack->format());  in open()
155     int32_t actualSampleRate = mAudioTrack->getSampleRate();  in open()
171     setDeviceId(mAudioTrack->getRoutedDeviceId());  in open()
172     mAudioTrack->addAudioDeviceCallback(mDeviceCallback);  in open()
176     audio_output_flags_t actualFlags = mAudioTrack->getFlags();  in open()
229     if (mAudioTrack.get() == nullptr) {  in requestStart()
233     status_t err = mAudioTrack->getPosition(&mPositionWhenStarting);  in requestStart()
252     if (mAudioTrack.get() == nullptr) {  in requestPause()
263     status_t err = mAudioTrack->getPosition(&mPositionWhenPausing);  in requestPause()
273     if (mAudioTrack.get() == nullptr) {  in requestFlush()
280     mAudioTrack->flush();  in requestFlush()
288     if (mAudioTrack.get() == nullptr) {  in requestStop()
306         if (mAudioTrack->hasStarted()) {  in updateStateWhileWaiting()
311         if (mAudioTrack->stopped()) {  in updateStateWhileWaiting()
312             err = mAudioTrack->getPosition(&position);  in updateStateWhileWaiting()
324             err = mAudioTrack->getPosition(&position);  in updateStateWhileWaiting()
334         if (mAudioTrack->stopped()) {  in updateStateWhileWaiting()
361     ssize_t bytesWritten = mAudioTrack->write(buffer, numBytes, blocking);  in write()
381     ssize_t result = mAudioTrack->setBufferSizeInFrames(requestedFrames);  in setBufferSize()
391     return static_cast<int32_t>(mAudioTrack->getBufferSizeInFrames());  in getBufferSize()
396     return static_cast<int32_t>(mAudioTrack->frameCount());  in getBufferCapacity()
401     return static_cast<int32_t>(mAudioTrack->getUnderrunCount());  in getXRunCount()
406     return static_cast<int32_t>(mAudioTrack->getNotificationPeriodInFrames());  in getFramesPerBurst()
418         result = mAudioTrack->getPosition(&position);  in getFramesRead()
433     status_t status = mAudioTrack->getTimestamp(&extendedTimestamp);  in getTimestamp()