diff options
Diffstat (limited to 'media/libstagefright/AudioSource.cpp')
-rw-r--r-- | media/libstagefright/AudioSource.cpp | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/media/libstagefright/AudioSource.cpp b/media/libstagefright/AudioSource.cpp index a15bca7..db08476 100644 --- a/media/libstagefright/AudioSource.cpp +++ b/media/libstagefright/AudioSource.cpp @@ -58,7 +58,8 @@ AudioSource::AudioSource( mPrevSampleTimeUs(0), mFirstSampleTimeUs(-1ll), mNumFramesReceived(0), - mNumClientOwnedBuffers(0) { + mNumClientOwnedBuffers(0), + mRecPaused(false) { ALOGV("sampleRate: %u, outSampleRate: %u, channelCount: %u", sampleRate, outSampleRate, channelCount); CHECK(channelCount == 1 || channelCount == 2 || channelCount == 6); @@ -109,6 +110,11 @@ status_t AudioSource::initCheck() const { status_t AudioSource::start(MetaData *params) { Mutex::Autolock autoLock(mLock); + if (mRecPaused) { + mRecPaused = false; + return OK; + } + if (mStarted) { return UNKNOWN_ERROR; } @@ -138,6 +144,12 @@ status_t AudioSource::start(MetaData *params) { return err; } +status_t AudioSource::pause() { + ALOGV("AudioSource::Pause"); + mRecPaused = true; + return OK; +} + void AudioSource::releaseQueuedFrames_l() { ALOGV("releaseQueuedFrames_l"); List<MediaBuffer *>::iterator it; @@ -292,6 +304,10 @@ void AudioSource::signalBufferReturned(MediaBuffer *buffer) { status_t AudioSource::dataCallback(const AudioRecord::Buffer& audioBuffer) { int64_t timeUs = systemTime() / 1000ll; + // Estimate the real sampling time of the 1st sample in this buffer + // from AudioRecord's latency. (Apply this adjustment first so that + // the start time logic is not affected.) + timeUs -= mRecord->latency() * 1000LL; ALOGV("dataCallbackTimestamp: %" PRId64 " us", timeUs); Mutex::Autolock autoLock(mLock); @@ -364,6 +380,14 @@ status_t AudioSource::dataCallback(const AudioRecord::Buffer& audioBuffer) { } void AudioSource::queueInputBuffer_l(MediaBuffer *buffer, int64_t timeUs) { + if (mRecPaused) { + if (!mBuffersReceived.empty()) { + releaseQueuedFrames_l(); + } + buffer->release(); + return; + } + const size_t bufferSize = buffer->range_length(); const size_t frameSize = mRecord->frameSize(); const int64_t timestampUs = |