void
DecodedStream::Stop()
{
AssertOwnerThread();
MOZ_ASSERT(mStartTime.isSome(), "playback not started.");
mStartTime.reset();
DisconnectListener();
mFinishPromise = nullptr;
// Clear mData immediately when this playback session ends so we won't
// send data to the wrong stream in SendData() in next playback session.
DestroyData(Move(mData));
}
void
VideoSink::Stop()
{
AssertOwnerThread();
MOZ_ASSERT(mAudioSink->IsStarted(), "playback not started.");
VSINK_LOG("[%s]", __func__);
mAudioSink->Stop();
mUpdateScheduler.Reset();
if (mHasVideo) {
DisconnectListener();
mEndPromiseHolder.Resolve(true, __func__);
mEndPromise = nullptr;
}
mVideoFrameEndTime = -1;
}
void
DecodedAudioDataSink::AudioLoop()
{
AssertOnAudioThread();
mAudioLoopScheduled = false;
switch (mState) {
case AUDIOSINK_STATE_INIT: {
SINK_LOG("AudioLoop started");
nsresult rv = InitializeAudioStream();
if (NS_FAILED(rv)) {
NS_WARNING("Initializing AudioStream failed.");
mEndPromise.Reject(rv, __func__);
SetState(AUDIOSINK_STATE_ERROR);
break;
}
SetState(AUDIOSINK_STATE_PLAYING);
ConnectListener();
break;
}
case AUDIOSINK_STATE_PLAYING: {
if (WaitingForAudioToPlay()) {
// OnAudioQueueEvent() will schedule next loop.
break;
}
if (!IsPlaybackContinuing()) {
SetState(AUDIOSINK_STATE_COMPLETE);
break;
}
if (!PlayAudio()) {
SetState(AUDIOSINK_STATE_COMPLETE);
break;
}
// Schedule next loop to play next sample.
ScheduleNextLoop();
break;
}
case AUDIOSINK_STATE_COMPLETE: {
DisconnectListener();
FinishAudioLoop();
SetState(AUDIOSINK_STATE_SHUTDOWN);
break;
}
case AUDIOSINK_STATE_SHUTDOWN:
break;
case AUDIOSINK_STATE_ERROR:
break;
} // end of switch
// We want mState to stay stable during AudioLoop to keep things simple.
// Therefore, we only do state transition at the end of AudioLoop.
if (mPendingState.isSome()) {
MOZ_ASSERT(mState != mPendingState.ref());
SINK_LOG("change mState, %d -> %d", mState, mPendingState.ref());
mState = mPendingState.ref();
mPendingState.reset();
// Schedule next loop when state changes.
ScheduleNextLoop();
}
}
