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Diffstat (limited to 'dom/media/platforms/wmf/MFMediaEngineVideoStream.h')
-rw-r--r-- | dom/media/platforms/wmf/MFMediaEngineVideoStream.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/dom/media/platforms/wmf/MFMediaEngineVideoStream.h b/dom/media/platforms/wmf/MFMediaEngineVideoStream.h new file mode 100644 index 0000000000..06aa86c458 --- /dev/null +++ b/dom/media/platforms/wmf/MFMediaEngineVideoStream.h @@ -0,0 +1,100 @@ +/* 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/. */ + +#ifndef DOM_MEDIA_PLATFORM_WMF_MFMEDIAENGINEVIDEOSTREAM_H +#define DOM_MEDIA_PLATFORM_WMF_MFMEDIAENGINEVIDEOSTREAM_H + +#include "MFMediaEngineStream.h" +#include "WMFUtils.h" +#include "mozilla/Atomics.h" +#include "mozilla/Mutex.h" + +namespace mozilla { +namespace layers { + +class Image; +class DcompSurfaceImage; + +} // namespace layers + +class MFMediaSource; + +class MFMediaEngineVideoStream final : public MFMediaEngineStream { + public: + MFMediaEngineVideoStream() = default; + + static MFMediaEngineVideoStream* Create(uint64_t aStreamId, + const TrackInfo& aInfo, + MFMediaSource* aParentSource); + nsCString GetDescriptionName() const override { + return "media engine video stream"_ns; + } + + TrackInfo::TrackType TrackType() override { + return TrackInfo::TrackType::kVideoTrack; + } + + void SetKnowsCompositor(layers::KnowsCompositor* aKnowsCompositor); + + void SetDCompSurfaceHandle(HANDLE aDCompSurfaceHandle); + + MFMediaEngineVideoStream* AsVideoStream() override { return this; } + + MediaDataDecoder::ConversionRequired NeedsConversion() const override; + + // Called by MFMediaEngineParent when we are creating a video decoder for + // the remote decoder. This is used to detect if the inband video config + // change happens during playback. + void SetConfig(const TrackInfo& aConfig); + + RefPtr<MediaDataDecoder::DecodePromise> Drain() override; + + private: + HRESULT + CreateMediaType(const TrackInfo& aInfo, IMFMediaType** aMediaType) override; + + bool HasEnoughRawData() const override; + + void UpdateConfig(const VideoInfo& aInfo); + + already_AddRefed<MediaData> OutputDataInternal() override; + + bool IsDCompImageReady(); + + void ResolvePendingDrainPromiseIfNeeded(); + + void ShutdownCleanUpOnTaskQueue() override; + + bool IsEnded() const override; + + // Task queue only members. + HANDLE mDCompSurfaceHandle; + bool mNeedRecreateImage; + RefPtr<layers::KnowsCompositor> mKnowsCompositor; + + Mutex mMutex{"MFMediaEngineVideoStream"}; + gfx::IntSize mDisplay MOZ_GUARDED_BY(mMutex); + + // Set on the initialization, won't be changed after that. + WMFStreamType mStreamType; + + // Created and accessed in the decoder thread. + RefPtr<layers::DcompSurfaceImage> mDcompSurfaceImage; + + // This flag is used to check if the video config changes detected by the + // media config monitor. When the video decoder get created first, we will set + // this flag to true, then we know any config being set afterward indicating + // a new config change. + bool mHasReceivedInitialCreateDecoderConfig; + + // When draining, the track should return all decoded data. However, if the + // dcomp image hasn't been ready yet, then we won't have any decoded data to + // return. This promise is used for that case, and will be resolved once we + // have dcomp image. + MozPromiseHolder<MediaDataDecoder::DecodePromise> mPendingDrainPromise; +}; + +} // namespace mozilla + +#endif // DOM_MEDIA_PLATFORM_WMF_MFMEDIAENGINEVIDEOSTREAM_H |