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Bug 1187817. Part 1 - Move Set{Volume,PlaybackRate,PreservesPitch} to the audio thread. r=kinetik.

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This commit is contained in:
JW Wang 2015-07-31 13:26:06 +08:00
parent 5988d4015d
commit d247b81f2b
1 changed files with 25 additions and 10 deletions
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35
dom/media/AudioSink.cpp
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@ -159,26 +159,41 @@ AudioSink::Shutdown()
void
AudioSink::SetVolume(double aVolume)
{
ReentrantMonitorAutoEnter mon(GetReentrantMonitor());
mVolume = aVolume;
mSetVolume = true;
AssertNotOnAudioThread();
nsRefPtr<AudioSink> self = this;
nsCOMPtr<nsIRunnable> r = NS_NewRunnableFunction([=] () {
if (self->mState == AUDIOSINK_STATE_PLAYING) {
self->mAudioStream->SetVolume(aVolume);
}
});
DispatchTask(r.forget());
}
void
AudioSink::SetPlaybackRate(double aPlaybackRate)
{
ReentrantMonitorAutoEnter mon(GetReentrantMonitor());
NS_ASSERTION(mPlaybackRate != 0, "Don't set the playbackRate to 0 on AudioStream");
mPlaybackRate = aPlaybackRate;
mSetPlaybackRate = true;
AssertNotOnAudioThread();
MOZ_ASSERT(aPlaybackRate != 0, "Don't set the playbackRate to 0 on AudioStream");
nsRefPtr<AudioSink> self = this;
nsCOMPtr<nsIRunnable> r = NS_NewRunnableFunction([=] () {
if (self->mState == AUDIOSINK_STATE_PLAYING) {
self->mAudioStream->SetPlaybackRate(aPlaybackRate);
}
});
DispatchTask(r.forget());
}
void
AudioSink::SetPreservesPitch(bool aPreservesPitch)
{
ReentrantMonitorAutoEnter mon(GetReentrantMonitor());
mPreservesPitch = aPreservesPitch;
mSetPreservesPitch = true;
AssertNotOnAudioThread();
nsRefPtr<AudioSink> self = this;
nsCOMPtr<nsIRunnable> r = NS_NewRunnableFunction([=] () {
if (self->mState == AUDIOSINK_STATE_PLAYING) {
self->mAudioStream->SetPreservesPitch(aPreservesPitch);
}
});
DispatchTask(r.forget());
}
void