MediaDecoderStateMachine*
MediaSourceDecoder::CreateStateMachine()
{
MOZ_ASSERT(NS_IsMainThread());
mDemuxer = new MediaSourceDemuxer();
mReader = new MediaFormatReader(this, mDemuxer, GetVideoFrameContainer());
return new MediaDecoderStateMachine(this, mReader);
}
MediaDecoderStateMachine* MP4Decoder::CreateStateMachine()
{
mReader =
new MediaFormatReader(this,
new MP4Demuxer(GetResource()),
GetVideoFrameContainer());
return new MediaDecoderStateMachine(this, mReader);
}
MediaDecoderStateMachine* OggDecoder::CreateStateMachine()
{
RefPtr<OggDemuxer> demuxer = new OggDemuxer(GetResource());
RefPtr<MediaFormatReader> reader =
new MediaFormatReader(this, demuxer, GetVideoFrameContainer());
demuxer->SetChainingEvents(&reader->TimedMetadataProducer(),
&reader->MediaNotSeekableProducer());
return new MediaDecoderStateMachine(this, reader);
}
double HTMLVideoElement::MozFrameDelay()
{
MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
VideoFrameContainer* container = GetVideoFrameContainer();
// Hide negative delays. Frame timing tweaks in the compositor (e.g.
// adding a bias value to prevent multiple dropped/duped frames when
// frame times are aligned with composition times) may produce apparent
// negative delay, but we shouldn't report that.
return container ? std::max(0.0, container->GetFrameDelay()) : 0.0;
}
MediaDecoderStateMachine* ChannelMediaDecoder::CreateStateMachine()
{
MOZ_ASSERT(NS_IsMainThread());
MediaFormatReaderInit init;
init.mVideoFrameContainer = GetVideoFrameContainer();
init.mKnowsCompositor = GetCompositor();
init.mCrashHelper = GetOwner()->CreateGMPCrashHelper();
init.mFrameStats = mFrameStats;
init.mResource = mResource;
mReader = DecoderTraits::CreateReader(ContainerType(), init);
return new MediaDecoderStateMachine(this, mReader);
}
double HTMLVideoElement::MozFrameDelay()
{
MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
VideoFrameContainer* container = GetVideoFrameContainer();
return container ? container->GetFrameDelay() : 0;
}
MediaDecoderStateMachine* WebMDecoder::CreateStateMachine()
{
bool useFormatDecoder =
Preferences::GetBool("media.format-reader.webm", true);
RefPtr<MediaDecoderReader> reader = useFormatDecoder ?
static_cast<MediaDecoderReader*>(new MediaFormatReader(this, new WebMDemuxer(GetResource()), GetVideoFrameContainer())) :
new WebMReader(this);
return new MediaDecoderStateMachine(this, reader);
}
MediaDecoderStateMachine* WebMDecoder::CreateStateMachine()
{
RefPtr<MediaDecoderReader> reader =
new MediaFormatReader(this, new WebMDemuxer(GetResource()), GetVideoFrameContainer());
return new MediaDecoderStateMachine(this, reader);
}