1 files changed, 132 insertions, 0 deletions
diff --git a/dom/media/platforms/wmf/WMFVideoMFTManager.h b/dom/media/platforms/wmf/WMFVideoMFTManager.h
new file mode 100644
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+++ b/dom/media/platforms/wmf/WMFVideoMFTManager.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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/. */
+
+#if !defined(WMFVideoMFTManager_h_)
+#  define WMFVideoMFTManager_h_
+
+#  include "MFTDecoder.h"
+#  include "MediaResult.h"
+#  include "PerformanceRecorder.h"
+#  include "WMF.h"
+#  include "WMFDecoderModule.h"
+#  include "WMFMediaDataDecoder.h"
+#  include "mozilla/Atomics.h"
+#  include "mozilla/RefPtr.h"
+#  include "mozilla/gfx/Rect.h"
+
+namespace mozilla {
+
+class DXVA2Manager;
+
+class WMFVideoMFTManager : public MFTManager {
+ public:
+  WMFVideoMFTManager(const VideoInfo& aConfig,
+                     layers::KnowsCompositor* aKnowsCompositor,
+                     layers::ImageContainer* aImageContainer, float aFramerate,
+                     const CreateDecoderParams::OptionSet& aOptions,
+                     bool aDXVAEnabled, Maybe<TrackingId> aTrackingId);
+  ~WMFVideoMFTManager();
+
+  MediaResult Init();
+
+  HRESULT Input(MediaRawData* aSample) override;
+
+  HRESULT Output(int64_t aStreamOffset, RefPtr<MediaData>& aOutput) override;
+
+  void Flush() override;
+
+  void Shutdown() override;
+
+  bool IsHardwareAccelerated(nsACString& aFailureReason) const override;
+
+  TrackInfo::TrackType GetType() override { return TrackInfo::kVideoTrack; }
+
+  nsCString GetDescriptionName() const override;
+
+  nsCString GetCodecName() const override;
+
+  MediaDataDecoder::ConversionRequired NeedsConversion() const override {
+    return mStreamType == WMFStreamType::H264
+               ? MediaDataDecoder::ConversionRequired::kNeedAnnexB
+               : MediaDataDecoder::ConversionRequired::kNeedNone;
+  }
+
+ private:
+  MediaResult ValidateVideoInfo();
+
+  bool InitializeDXVA();
+
+  MediaResult InitInternal();
+
+  HRESULT CreateBasicVideoFrame(IMFSample* aSample, int64_t aStreamOffset,
+                                VideoData** aOutVideoData);
+
+  HRESULT CreateD3DVideoFrame(IMFSample* aSample, int64_t aStreamOffset,
+                              VideoData** aOutVideoData);
+
+  HRESULT SetDecoderMediaTypes();
+
+  bool CanUseDXVA(IMFMediaType* aInputType, IMFMediaType* aOutputType);
+
+  // Gets the duration from aSample, and if an unknown or invalid duration is
+  // returned from WMF, this instead returns the last known input duration.
+  // The sample duration is unknown per `IMFSample::GetSampleDuration` docs
+  // 'If the retrieved duration is zero, or if the method returns
+  // MF_E_NO_SAMPLE_DURATION, the duration is unknown'. The same API also
+  // suggests it may return other unspecified error codes, so we handle those
+  // too. It also returns a signed int, but since a negative duration doesn't
+  // make sense, we also handle that case.
+  media::TimeUnit GetSampleDurationOrLastKnownDuration(
+      IMFSample* aSample) const;
+
+  // Video frame geometry.
+  const VideoInfo mVideoInfo;
+  const gfx::IntSize mImageSize;
+  const WMFStreamType mStreamType;
+
+  // The size we update from the IMFMediaType which might include paddings when
+  // the stream format changes. This is only used for software decoding.
+  gfx::IntSize mSoftwareImageSize;
+
+  // The picture size we update from the IMFMediaType when the stream format
+  // changes. We assume it's equal to the image size by default (no cropping).
+  // This is only used for software decoding.
+  gfx::IntSize mSoftwarePictureSize;
+
+  uint32_t mVideoStride;
+  Maybe<gfx::YUVColorSpace> mColorSpace;
+  gfx::ColorRange mColorRange;
+
+  RefPtr<layers::ImageContainer> mImageContainer;
+  RefPtr<layers::KnowsCompositor> mKnowsCompositor;
+  UniquePtr<DXVA2Manager> mDXVA2Manager;
+
+  media::TimeUnit mLastDuration;
+
+  bool mDXVAEnabled;
+  bool mUseHwAccel;
+
+  bool mZeroCopyNV12Texture;
+
+  nsCString mDXVAFailureReason;
+
+  const GUID& GetMediaSubtypeGUID();
+
+  uint32_t mNullOutputCount = 0;
+  bool mGotValidOutputAfterNullOutput = false;
+  bool mGotExcessiveNullOutput = false;
+  bool mIsValid = true;
+  bool mIMFUsable = false;
+  const float mFramerate;
+  const bool mLowLatency;
+
+  PerformanceRecorderMulti<DecodeStage> mPerformanceRecorder;
+  const Maybe<TrackingId> mTrackingId;
+};
+
+}  // namespace mozilla
+
+#endif  // WMFVideoMFTManager_h_