void
AudioSink::WriteSilence(uint32_t aFrames)
{
uint32_t numSamples = aFrames * mInfo.mChannels;
nsAutoTArray<AudioDataValue, 1000> buf;
buf.SetLength(numSamples);
memset(buf.Elements(), 0, numSamples * sizeof(AudioDataValue));
mAudioStream->Write(buf.Elements(), aFrames);
StartAudioStreamPlaybackIfNeeded();
}
uint32_t
AudioSink::PlayFromAudioQueue()
{
AssertOnAudioThread();
NS_ASSERTION(!mAudioStream->IsPaused(), "Don't play when paused");
nsRefPtr<AudioData> audio(AudioQueue().PopFront());
SINK_LOG_V("playing %u frames of audio at time %lld",
audio->mFrames, audio->mTime);
mAudioStream->Write(audio->mAudioData, audio->mFrames);
StartAudioStreamPlaybackIfNeeded();
if (audio->mOffset != -1) {
mStateMachine->DispatchOnPlaybackOffsetUpdate(audio->mOffset);
}
return audio->mFrames;
}
uint32_t
DecodedAudioDataSink::PlayFromAudioQueue()
{
AssertOnAudioThread();
NS_ASSERTION(!mAudioStream->IsPaused(), "Don't play when paused");
nsRefPtr<AudioData> audio =
dont_AddRef(AudioQueue().PopFront().take()->As<AudioData>());
SINK_LOG_V("playing %u frames of audio at time %lld",
audio->mFrames, audio->mTime);
if (audio->mRate == mInfo.mRate && audio->mChannels == mInfo.mChannels) {
mAudioStream->Write(audio->mAudioData, audio->mFrames);
} else {
SINK_LOG_V("mismatched sample format mInfo=[%uHz/%u channels] audio=[%uHz/%u channels]",
mInfo.mRate, mInfo.mChannels, audio->mRate, audio->mChannels);
PlaySilence(audio->mFrames);
}
StartAudioStreamPlaybackIfNeeded();
return audio->mFrames;
}
uint32_t
AudioSink::PlayFromAudioQueue()
{
AssertOnAudioThread();
NS_ASSERTION(!mAudioStream->IsPaused(), "Don't play when paused");
nsRefPtr<AudioData> audio(AudioQueue().PopFront());
SINK_LOG_V("playing %u frames of audio at time %lld",
audio->mFrames, audio->mTime);
if (audio->mRate == mInfo.mRate && audio->mChannels == mInfo.mChannels) {
mAudioStream->Write(audio->mAudioData, audio->mFrames);
} else {
SINK_LOG_V("mismatched sample format mInfo=[%uHz/%u channels] audio=[%uHz/%u channels]",
mInfo.mRate, mInfo.mChannels, audio->mRate, audio->mChannels);
PlaySilence(audio->mFrames);
}
StartAudioStreamPlaybackIfNeeded();
if (audio->mOffset != -1) {
mStateMachine->DispatchOnPlaybackOffsetUpdate(audio->mOffset);
}
return audio->mFrames;
}
uint32_t
AudioSink::PlayFromAudioQueue()
{
AssertOnAudioThread();
NS_ASSERTION(!mAudioStream->IsPaused(), "Don't play when paused");
nsAutoPtr<AudioData> audio(AudioQueue().PopFront());
{
ReentrantMonitorAutoEnter mon(GetReentrantMonitor());
NS_WARN_IF_FALSE(mPlaying, "Should be playing");
// Awaken the decode loop if it's waiting for space to free up in the
// audio queue.
GetReentrantMonitor().NotifyAll();
}
SINK_LOG_V("playing %u frames of audio at time %lld",
this, audio->mFrames, audio->mTime);
mAudioStream->Write(audio->mAudioData, audio->mFrames);
StartAudioStreamPlaybackIfNeeded();
if (audio->mOffset != -1) {
mStateMachine->OnPlaybackOffsetUpdate(audio->mOffset);
}
return audio->mFrames;
}
