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Diffstat (limited to 'dom/media/ipc/MFMediaEngineChild.cpp')
| -rw-r--r-- | dom/media/ipc/MFMediaEngineChild.cpp | 336 |
1 files changed, 336 insertions, 0 deletions
diff --git a/dom/media/ipc/MFMediaEngineChild.cpp b/dom/media/ipc/MFMediaEngineChild.cpp new file mode 100644 index 0000000000..77c7b63c2b --- /dev/null +++ b/dom/media/ipc/MFMediaEngineChild.cpp @@ -0,0 +1,336 @@ +/* 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 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "MFMediaEngineChild.h" + +#include "MFMediaEngineUtils.h" +#include "RemoteDecoderManagerChild.h" +#include "mozilla/WindowsVersion.h" + +namespace mozilla { + +#define CLOG(msg, ...) \ + MOZ_LOG(gMFMediaEngineLog, LogLevel::Debug, \ + ("MFMediaEngineChild=%p, Id=%" PRId64 ", " msg, this, this->Id(), \ + ##__VA_ARGS__)) + +#define WLOG(msg, ...) \ + MOZ_LOG(gMFMediaEngineLog, LogLevel::Debug, \ + ("MFMediaEngineWrapper=%p, Id=%" PRId64 ", " msg, this, this->Id(), \ + ##__VA_ARGS__)) + +#define WLOGV(msg, ...) \ + MOZ_LOG(gMFMediaEngineLog, LogLevel::Verbose, \ + ("MFMediaEngineWrapper=%p, Id=%" PRId64 ", " msg, this, this->Id(), \ + ##__VA_ARGS__)) + +using media::TimeUnit; + +MFMediaEngineChild::MFMediaEngineChild(MFMediaEngineWrapper* aOwner, + FrameStatistics* aFrameStats) + : mOwner(aOwner), + mManagerThread(RemoteDecoderManagerChild::GetManagerThread()), + mMediaEngineId(0 /* invalid id, will be initialized later */), + mFrameStats(WrapNotNull(aFrameStats)) {} + +RefPtr<GenericNonExclusivePromise> MFMediaEngineChild::Init( + bool aShouldPreload) { + if (!mManagerThread) { + return GenericNonExclusivePromise::CreateAndReject(NS_ERROR_FAILURE, + __func__); + } + + if (!IsWin10OrLater()) { + CLOG("Only support MF media engine playback on Windows 10+"); + return GenericNonExclusivePromise::CreateAndReject(NS_ERROR_FAILURE, + __func__); + } + + CLOG("Init"); + MOZ_ASSERT(mMediaEngineId == 0); + RefPtr<MFMediaEngineChild> self = this; + RemoteDecoderManagerChild::LaunchUtilityProcessIfNeeded( + RemoteDecodeIn::UtilityProcess_MFMediaEngineCDM) + ->Then( + mManagerThread, __func__, + [self, this, aShouldPreload](bool) { + RefPtr<RemoteDecoderManagerChild> manager = + RemoteDecoderManagerChild::GetSingleton( + RemoteDecodeIn::UtilityProcess_MFMediaEngineCDM); + if (!manager || !manager->CanSend()) { + CLOG("Manager not exists or can't send"); + mInitPromiseHolder.RejectIfExists(NS_ERROR_FAILURE, __func__); + return; + } + + mIPDLSelfRef = this; + Unused << manager->SendPMFMediaEngineConstructor(this); + MediaEngineInfoIPDL info(aShouldPreload); + SendInitMediaEngine(info) + ->Then( + mManagerThread, __func__, + [self, this](uint64_t aId) { + mInitEngineRequest.Complete(); + // Id 0 is used to indicate error. + if (aId == 0) { + CLOG("Failed to initialize MFMediaEngineChild"); + mInitPromiseHolder.RejectIfExists(NS_ERROR_FAILURE, + __func__); + return; + } + mMediaEngineId = aId; + CLOG("Initialized MFMediaEngineChild"); + mInitPromiseHolder.ResolveIfExists(true, __func__); + }, + [self, + this](const mozilla::ipc::ResponseRejectReason& aReason) { + mInitEngineRequest.Complete(); + CLOG( + "Failed to initialize MFMediaEngineChild due to " + "IPC failure"); + mInitPromiseHolder.RejectIfExists(NS_ERROR_FAILURE, + __func__); + }) + ->Track(mInitEngineRequest); + }, + [self, this](nsresult aResult) { + CLOG("SendInitMediaEngine Failed"); + self->mInitPromiseHolder.Reject(NS_ERROR_FAILURE, __func__); + }); + return mInitPromiseHolder.Ensure(__func__); +} + +mozilla::ipc::IPCResult MFMediaEngineChild::RecvRequestSample(TrackType aType, + bool aIsEnough) { + AssertOnManagerThread(); + if (!mOwner) { + return IPC_OK(); + } + if (aType == TrackType::kVideoTrack) { + mOwner->NotifyEvent(aIsEnough ? ExternalEngineEvent::VideoEnough + : ExternalEngineEvent::RequestForVideo); + } else if (aType == TrackType::kAudioTrack) { + mOwner->NotifyEvent(aIsEnough ? ExternalEngineEvent::AudioEnough + : ExternalEngineEvent::RequestForAudio); + } + return IPC_OK(); +} + +mozilla::ipc::IPCResult MFMediaEngineChild::RecvUpdateCurrentTime( + double aCurrentTimeInSecond) { + AssertOnManagerThread(); + if (mOwner) { + mOwner->UpdateCurrentTime(aCurrentTimeInSecond); + } + return IPC_OK(); +} + +mozilla::ipc::IPCResult MFMediaEngineChild::RecvNotifyEvent( + MFMediaEngineEvent aEvent) { + AssertOnManagerThread(); + switch (aEvent) { + case MF_MEDIA_ENGINE_EVENT_FIRSTFRAMEREADY: + mOwner->NotifyEvent(ExternalEngineEvent::LoadedFirstFrame); + break; + case MF_MEDIA_ENGINE_EVENT_LOADEDDATA: + mOwner->NotifyEvent(ExternalEngineEvent::LoadedData); + break; + case MF_MEDIA_ENGINE_EVENT_WAITING: + mOwner->NotifyEvent(ExternalEngineEvent::Waiting); + break; + case MF_MEDIA_ENGINE_EVENT_SEEKED: + mOwner->NotifyEvent(ExternalEngineEvent::Seeked); + break; + case MF_MEDIA_ENGINE_EVENT_BUFFERINGSTARTED: + mOwner->NotifyEvent(ExternalEngineEvent::BufferingStarted); + break; + case MF_MEDIA_ENGINE_EVENT_BUFFERINGENDED: + mOwner->NotifyEvent(ExternalEngineEvent::BufferingEnded); + break; + case MF_MEDIA_ENGINE_EVENT_ENDED: + mOwner->NotifyEvent(ExternalEngineEvent::Ended); + break; + case MF_MEDIA_ENGINE_EVENT_PLAYING: + mOwner->NotifyEvent(ExternalEngineEvent::Playing); + break; + default: + NS_WARNING( + nsPrintfCString("Unhandled event=%s", MediaEngineEventToStr(aEvent)) + .get()); + break; + } + return IPC_OK(); +} + +mozilla::ipc::IPCResult MFMediaEngineChild::RecvNotifyError( + const MediaResult& aError) { + AssertOnManagerThread(); + mOwner->NotifyError(aError); + return IPC_OK(); +} + +mozilla::ipc::IPCResult MFMediaEngineChild::RecvUpdateStatisticData( + const StatisticData& aData) { + AssertOnManagerThread(); + const uint64_t currentRenderedFrames = mFrameStats->GetPresentedFrames(); + // Media engine won't tell us that which stage those dropped frames happened, + // so we treat all of them as the frames dropped in the a/v sync stage (sink). + const uint64_t currentDroppedSinkFrames = mFrameStats->GetDroppedSinkFrames(); + MOZ_ASSERT(aData.renderedFrames() >= currentRenderedFrames); + MOZ_ASSERT(aData.droppedFrames() >= currentDroppedSinkFrames); + mFrameStats->Accumulate({0, 0, aData.renderedFrames() - currentRenderedFrames, + 0, aData.droppedFrames() - currentDroppedSinkFrames, + 0}); + CLOG("Update statictis data (rendered %" PRIu64 " -> %" PRIu64 + ", dropped %" PRIu64 " -> %" PRIu64 ")", + currentRenderedFrames, mFrameStats->GetPresentedFrames(), + currentDroppedSinkFrames, mFrameStats->GetDroppedSinkFrames()); + return IPC_OK(); +} + +void MFMediaEngineChild::OwnerDestroyed() { + Unused << ManagerThread()->Dispatch(NS_NewRunnableFunction( + "MFMediaEngineChild::OwnerDestroy", [self = RefPtr{this}, this] { + self->mOwner = nullptr; + // Ask to destroy IPDL. + if (CanSend()) { + MFMediaEngineChild::Send__delete__(this); + } + })); +} + +void MFMediaEngineChild::IPDLActorDestroyed() { + AssertOnManagerThread(); + mIPDLSelfRef = nullptr; +} + +void MFMediaEngineChild::Shutdown() { + AssertOnManagerThread(); + SendShutdown(); + mInitPromiseHolder.RejectIfExists(NS_ERROR_FAILURE, __func__); + mInitEngineRequest.DisconnectIfExists(); +} + +MFMediaEngineWrapper::MFMediaEngineWrapper(ExternalEngineStateMachine* aOwner, + FrameStatistics* aFrameStats) + : ExternalPlaybackEngine(aOwner), + mEngine(new MFMediaEngineChild(this, aFrameStats)), + mCurrentTimeInSecond(0.0) {} + +RefPtr<GenericNonExclusivePromise> MFMediaEngineWrapper::Init( + bool aShouldPreload) { + WLOG("Init"); + return mEngine->Init(aShouldPreload); +} + +MFMediaEngineWrapper::~MFMediaEngineWrapper() { mEngine->OwnerDestroyed(); } + +void MFMediaEngineWrapper::Play() { + WLOG("Play"); + MOZ_ASSERT(IsInited()); + Unused << ManagerThread()->Dispatch( + NS_NewRunnableFunction("MFMediaEngineWrapper::Play", + [engine = mEngine] { engine->SendPlay(); })); +} + +void MFMediaEngineWrapper::Pause() { + WLOG("Pause"); + MOZ_ASSERT(IsInited()); + Unused << ManagerThread()->Dispatch( + NS_NewRunnableFunction("MFMediaEngineWrapper::Pause", + [engine = mEngine] { engine->SendPause(); })); +} + +void MFMediaEngineWrapper::Seek(const TimeUnit& aTargetTime) { + auto currentTimeInSecond = aTargetTime.ToSeconds(); + mCurrentTimeInSecond = currentTimeInSecond; + WLOG("Seek to %f", currentTimeInSecond); + MOZ_ASSERT(IsInited()); + Unused << ManagerThread()->Dispatch(NS_NewRunnableFunction( + "MFMediaEngineWrapper::Seek", [engine = mEngine, currentTimeInSecond] { + engine->SendSeek(currentTimeInSecond); + })); +} + +void MFMediaEngineWrapper::Shutdown() { + WLOG("Shutdown"); + Unused << ManagerThread()->Dispatch( + NS_NewRunnableFunction("MFMediaEngineWrapper::Shutdown", + [engine = mEngine] { engine->Shutdown(); })); +} + +void MFMediaEngineWrapper::SetPlaybackRate(double aPlaybackRate) { + WLOG("Set playback rate %f", aPlaybackRate); + MOZ_ASSERT(IsInited()); + Unused << ManagerThread()->Dispatch( + NS_NewRunnableFunction("MFMediaEngineWrapper::SetPlaybackRate", + [engine = mEngine, aPlaybackRate] { + engine->SendSetPlaybackRate(aPlaybackRate); + })); +} + +void MFMediaEngineWrapper::SetVolume(double aVolume) { + WLOG("Set volume %f", aVolume); + MOZ_ASSERT(IsInited()); + Unused << ManagerThread()->Dispatch(NS_NewRunnableFunction( + "MFMediaEngineWrapper::SetVolume", + [engine = mEngine, aVolume] { engine->SendSetVolume(aVolume); })); +} + +void MFMediaEngineWrapper::SetLooping(bool aLooping) { + WLOG("Set looping %d", aLooping); + MOZ_ASSERT(IsInited()); + Unused << ManagerThread()->Dispatch(NS_NewRunnableFunction( + "MFMediaEngineWrapper::SetLooping", + [engine = mEngine, aLooping] { engine->SendSetLooping(aLooping); })); +} + +void MFMediaEngineWrapper::SetPreservesPitch(bool aPreservesPitch) { + // Media Engine doesn't support this. +} + +void MFMediaEngineWrapper::NotifyEndOfStream(TrackInfo::TrackType aType) { + WLOG("NotifyEndOfStream, type=%s", TrackTypeToStr(aType)); + MOZ_ASSERT(IsInited()); + Unused << ManagerThread()->Dispatch(NS_NewRunnableFunction( + "MFMediaEngineWrapper::NotifyEndOfStream", + [engine = mEngine, aType] { engine->SendNotifyEndOfStream(aType); })); +} + +void MFMediaEngineWrapper::SetMediaInfo(const MediaInfo& aInfo) { + WLOG("SetMediaInfo, hasAudio=%d, hasVideo=%d", aInfo.HasAudio(), + aInfo.HasVideo()); + MOZ_ASSERT(IsInited()); + Unused << ManagerThread()->Dispatch(NS_NewRunnableFunction( + "MFMediaEngineWrapper::SetMediaInfo", [engine = mEngine, aInfo] { + MediaInfoIPDL info(aInfo.HasAudio() ? Some(aInfo.mAudio) : Nothing(), + aInfo.HasVideo() ? Some(aInfo.mVideo) : Nothing()); + engine->SendNotifyMediaInfo(info); + })); +} + +TimeUnit MFMediaEngineWrapper::GetCurrentPosition() { + return TimeUnit::FromSeconds(mCurrentTimeInSecond); +} + +void MFMediaEngineWrapper::UpdateCurrentTime(double aCurrentTimeInSecond) { + AssertOnManagerThread(); + WLOGV("Update current time %f", aCurrentTimeInSecond); + mCurrentTimeInSecond = aCurrentTimeInSecond; + NotifyEvent(ExternalEngineEvent::Timeupdate); +} + +void MFMediaEngineWrapper::NotifyEvent(ExternalEngineEvent aEvent) { + AssertOnManagerThread(); + WLOGV("Received event %s", ExternalEngineEventToStr(aEvent)); + mOwner->NotifyEvent(aEvent); +} + +void MFMediaEngineWrapper::NotifyError(const MediaResult& aError) { + AssertOnManagerThread(); + WLOG("Received error: %s", aError.Description().get()); + mOwner->NotifyError(aError); +} + +} // namespace mozilla |