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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#include "MediaDecoderStateMachineBase.h"
#include "MediaDecoder.h"
#include "mozilla/ProfilerMarkers.h"
#include "mozilla/TaskQueue.h"
#include "nsThreadUtils.h"
namespace mozilla {
#define INIT_MIRROR(name, val) \
name(mTaskQueue, val, "MediaDecoderStateMachineBase::" #name " (Mirror)")
#define INIT_CANONICAL(name, val) \
name(mTaskQueue, val, "MediaDecoderStateMachineBase::" #name " (Canonical)")
#define FMT(x, ...) "Decoder=%p " x, mDecoderID, ##__VA_ARGS__
#define LOG(x, ...) \
DDMOZ_LOG(gMediaDecoderLog, LogLevel::Debug, "Decoder=%p " x, mDecoderID, \
##__VA_ARGS__)
#define LOGV(x, ...) \
DDMOZ_LOG(gMediaDecoderLog, LogLevel::Verbose, "Decoder=%p " x, mDecoderID, \
##__VA_ARGS__)
#define LOGW(x, ...) NS_WARNING(nsPrintfCString(FMT(x, ##__VA_ARGS__)).get())
#define LOGE(x, ...) \
NS_DebugBreak(NS_DEBUG_WARNING, \
nsPrintfCString(FMT(x, ##__VA_ARGS__)).get(), nullptr, \
__FILE__, __LINE__)
MediaDecoderStateMachineBase::MediaDecoderStateMachineBase(
MediaDecoder* aDecoder, MediaFormatReader* aReader)
: mDecoderID(aDecoder),
mAbstractMainThread(aDecoder->AbstractMainThread()),
mFrameStats(&aDecoder->GetFrameStatistics()),
mVideoFrameContainer(aDecoder->GetVideoFrameContainer()),
mTaskQueue(TaskQueue::Create(GetMediaThreadPool(MediaThreadType::MDSM),
"MDSM::mTaskQueue",
/* aSupportsTailDispatch = */ true)),
mReader(new ReaderProxy(mTaskQueue, aReader)),
mPlaybackRate(1.0),
INIT_MIRROR(mBuffered, media::TimeIntervals()),
INIT_MIRROR(mPlayState, MediaDecoder::PLAY_STATE_LOADING),
INIT_MIRROR(mVolume, 1.0),
INIT_MIRROR(mPreservesPitch, true),
INIT_MIRROR(mLooping, false),
INIT_MIRROR(mSecondaryVideoContainer, nullptr),
INIT_CANONICAL(mDuration, media::NullableTimeUnit()),
INIT_CANONICAL(mCurrentPosition, media::TimeUnit::Zero()),
INIT_CANONICAL(mIsAudioDataAudible, false),
mMinimizePreroll(aDecoder->GetMinimizePreroll()),
mWatchManager(this, mTaskQueue) {}
MediaEventSource<void>& MediaDecoderStateMachineBase::OnMediaNotSeekable()
const {
return mReader->OnMediaNotSeekable();
}
AbstractCanonical<media::TimeIntervals>*
MediaDecoderStateMachineBase::CanonicalBuffered() const {
return mReader->CanonicalBuffered();
}
void MediaDecoderStateMachineBase::DispatchSetFragmentEndTime(
const media::TimeUnit& aEndTime) {
OwnerThread()->DispatchStateChange(NewRunnableMethod<media::TimeUnit>(
"MediaDecoderStateMachineBase::SetFragmentEndTime", this,
&MediaDecoderStateMachineBase::SetFragmentEndTime, aEndTime));
}
void MediaDecoderStateMachineBase::DispatchCanPlayThrough(
bool aCanPlayThrough) {
OwnerThread()->DispatchStateChange(NewRunnableMethod<bool>(
"MediaDecoderStateMachineBase::SetCanPlayThrough", this,
&MediaDecoderStateMachineBase::SetCanPlayThrough, aCanPlayThrough));
}
void MediaDecoderStateMachineBase::DispatchIsLiveStream(bool aIsLiveStream) {
OwnerThread()->DispatchStateChange(NewRunnableMethod<bool>(
"MediaDecoderStateMachineBase::SetIsLiveStream", this,
&MediaDecoderStateMachineBase::SetIsLiveStream, aIsLiveStream));
}
void MediaDecoderStateMachineBase::DispatchSetPlaybackRate(
double aPlaybackRate) {
OwnerThread()->DispatchStateChange(NewRunnableMethod<double>(
"MediaDecoderStateMachineBase::SetPlaybackRate", this,
&MediaDecoderStateMachineBase::SetPlaybackRate, aPlaybackRate));
}
nsresult MediaDecoderStateMachineBase::Init(MediaDecoder* aDecoder) {
MOZ_ASSERT(NS_IsMainThread());
// Dispatch initialization that needs to happen on that task queue.
nsCOMPtr<nsIRunnable> r = NewRunnableMethod<RefPtr<MediaDecoder>>(
"MediaDecoderStateMachineBase::InitializationTask", this,
&MediaDecoderStateMachineBase::InitializationTask, aDecoder);
mTaskQueue->DispatchStateChange(r.forget());
// Connect mirrors.
aDecoder->CanonicalPlayState().ConnectMirror(&mPlayState);
aDecoder->CanonicalVolume().ConnectMirror(&mVolume);
aDecoder->CanonicalPreservesPitch().ConnectMirror(&mPreservesPitch);
aDecoder->CanonicalLooping().ConnectMirror(&mLooping);
aDecoder->CanonicalSecondaryVideoContainer().ConnectMirror(
&mSecondaryVideoContainer);
nsresult rv = mReader->Init();
NS_ENSURE_SUCCESS(rv, rv);
mMetadataManager.Connect(mReader->TimedMetadataEvent(), OwnerThread());
return NS_OK;
}
void MediaDecoderStateMachineBase::InitializationTask(MediaDecoder* aDecoder) {
MOZ_ASSERT(OnTaskQueue());
// Connect mirrors.
mBuffered.Connect(mReader->CanonicalBuffered());
mReader->SetCanonicalDuration(mDuration);
// Initialize watchers.
mWatchManager.Watch(mBuffered,
&MediaDecoderStateMachineBase::BufferedRangeUpdated);
mWatchManager.Watch(mVolume, &MediaDecoderStateMachineBase::VolumeChanged);
mWatchManager.Watch(mPreservesPitch,
&MediaDecoderStateMachineBase::PreservesPitchChanged);
mWatchManager.Watch(mPlayState,
&MediaDecoderStateMachineBase::PlayStateChanged);
mWatchManager.Watch(mLooping, &MediaDecoderStateMachineBase::LoopingChanged);
mWatchManager.Watch(
mSecondaryVideoContainer,
&MediaDecoderStateMachineBase::UpdateSecondaryVideoContainer);
}
RefPtr<ShutdownPromise> MediaDecoderStateMachineBase::BeginShutdown() {
MOZ_ASSERT(NS_IsMainThread());
return InvokeAsync(
OwnerThread(), __func__,
[self = RefPtr<MediaDecoderStateMachineBase>(this), this]() {
mWatchManager.Shutdown();
mBuffered.DisconnectIfConnected();
mPlayState.DisconnectIfConnected();
mVolume.DisconnectIfConnected();
mPreservesPitch.DisconnectIfConnected();
mLooping.DisconnectIfConnected();
mSecondaryVideoContainer.DisconnectIfConnected();
return Shutdown();
});
}
RefPtr<MediaDecoder::SeekPromise> MediaDecoderStateMachineBase::InvokeSeek(
const SeekTarget& aTarget) {
return InvokeAsync(OwnerThread(), __func__,
[self = RefPtr<MediaDecoderStateMachineBase>(this),
target = aTarget]() { return self->Seek(target); });
}
bool MediaDecoderStateMachineBase::OnTaskQueue() const {
return OwnerThread()->IsCurrentThreadIn();
}
void MediaDecoderStateMachineBase::DecodeError(const MediaResult& aError) {
MOZ_ASSERT(OnTaskQueue());
if (aError != NS_ERROR_DOM_MEDIA_EXTERNAL_ENGINE_NOT_SUPPORTED_ERR) {
LOGE("Decode error: %s", aError.Description().get());
}
PROFILER_MARKER_TEXT("MDSMBase::DecodeError", MEDIA_PLAYBACK, {},
aError.Description());
// Notify the decode error and MediaDecoder will shut down MDSM.
mOnPlaybackErrorEvent.Notify(aError);
}
RefPtr<SetCDMPromise> MediaDecoderStateMachineBase::SetCDMProxy(
CDMProxy* aProxy) {
return mReader->SetCDMProxy(aProxy);
}
#undef INIT_MIRROR
#undef INIT_CANONICAL
#undef FMT
#undef LOG
#undef LOGV
#undef LOGW
#undef LOGE
} // namespace mozilla