1 files changed, 129 insertions, 0 deletions
diff --git a/dom/media/platforms/agnostic/gmp/GMPVideoDecoder.h b/dom/media/platforms/agnostic/gmp/GMPVideoDecoder.h
new file mode 100644
index 0000000000..1f0f59c685
--- /dev/null
+++ b/dom/media/platforms/agnostic/gmp/GMPVideoDecoder.h
@@ -0,0 +1,129 @@
+/* -*- 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/. */
+
+#include "mozilla/layers/KnowsCompositor.h"
+#if !defined(GMPVideoDecoder_h_)
+#  define GMPVideoDecoder_h_
+
+#  include "GMPVideoDecoderProxy.h"
+#  include "ImageContainer.h"
+#  include "MediaDataDecoderProxy.h"
+#  include "MediaInfo.h"
+#  include "PerformanceRecorder.h"
+#  include "PlatformDecoderModule.h"
+#  include "ReorderQueue.h"
+#  include "mozIGeckoMediaPluginService.h"
+#  include "nsClassHashtable.h"
+
+namespace mozilla {
+
+struct MOZ_STACK_CLASS GMPVideoDecoderParams {
+  explicit GMPVideoDecoderParams(const CreateDecoderParams& aParams);
+
+  const VideoInfo& mConfig;
+  layers::ImageContainer* mImageContainer;
+  GMPCrashHelper* mCrashHelper;
+  layers::KnowsCompositor* mKnowsCompositor;
+  const Maybe<TrackingId> mTrackingId;
+};
+
+DDLoggedTypeDeclNameAndBase(GMPVideoDecoder, MediaDataDecoder);
+
+class GMPVideoDecoder final : public MediaDataDecoder,
+                              public GMPVideoDecoderCallbackProxy,
+                              public DecoderDoctorLifeLogger<GMPVideoDecoder> {
+ public:
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(GMPVideoDecoder, final);
+
+  explicit GMPVideoDecoder(const GMPVideoDecoderParams& aParams);
+
+  RefPtr<InitPromise> Init() override;
+  RefPtr<DecodePromise> Decode(MediaRawData* aSample) override;
+  RefPtr<DecodePromise> Drain() override;
+  RefPtr<FlushPromise> Flush() override;
+  RefPtr<ShutdownPromise> Shutdown() override;
+  nsCString GetDescriptionName() const override {
+    return "gmp video decoder"_ns;
+  }
+  nsCString GetCodecName() const override;
+  ConversionRequired NeedsConversion() const override {
+    return mConvertToAnnexB ? ConversionRequired::kNeedAnnexB
+                            : ConversionRequired::kNeedAVCC;
+  }
+  bool CanDecodeBatch() const override { return mCanDecodeBatch; }
+
+  // GMPVideoDecoderCallbackProxy
+  // All those methods are called on the GMP thread.
+  void Decoded(GMPVideoi420Frame* aDecodedFrame) override;
+  void ReceivedDecodedReferenceFrame(const uint64_t aPictureId) override;
+  void ReceivedDecodedFrame(const uint64_t aPictureId) override;
+  void InputDataExhausted() override;
+  void DrainComplete() override;
+  void ResetComplete() override;
+  void Error(GMPErr aErr) override;
+  void Terminated() override;
+
+ protected:
+  virtual void InitTags(nsTArray<nsCString>& aTags);
+  virtual nsCString GetNodeId();
+  virtual GMPUniquePtr<GMPVideoEncodedFrame> CreateFrame(MediaRawData* aSample);
+  virtual const VideoInfo& GetConfig() const;
+  void ProcessReorderQueue(MozPromiseHolder<DecodePromise>& aPromise,
+                           const char* aMethodName);
+
+ private:
+  ~GMPVideoDecoder() = default;
+
+  class GMPInitDoneCallback : public GetGMPVideoDecoderCallback {
+   public:
+    explicit GMPInitDoneCallback(GMPVideoDecoder* aDecoder)
+        : mDecoder(aDecoder) {}
+
+    void Done(GMPVideoDecoderProxy* aGMP, GMPVideoHost* aHost) override {
+      mDecoder->GMPInitDone(aGMP, aHost);
+    }
+
+   private:
+    RefPtr<GMPVideoDecoder> mDecoder;
+  };
+  void GMPInitDone(GMPVideoDecoderProxy* aGMP, GMPVideoHost* aHost);
+
+  const VideoInfo mConfig;
+  nsCOMPtr<mozIGeckoMediaPluginService> mMPS;
+  GMPVideoDecoderProxy* mGMP;
+  GMPVideoHost* mHost;
+  bool mConvertNALUnitLengths;
+  MozPromiseHolder<InitPromise> mInitPromise;
+  RefPtr<GMPCrashHelper> mCrashHelper;
+
+  struct SampleMetadata {
+    explicit SampleMetadata(MediaRawData* aSample)
+        : mOffset(aSample->mOffset), mKeyframe(aSample->mKeyframe) {}
+    int64_t mOffset;
+    bool mKeyframe;
+  };
+
+  nsClassHashtable<nsUint64HashKey, SampleMetadata> mSamples;
+  RefPtr<layers::ImageContainer> mImageContainer;
+  RefPtr<layers::KnowsCompositor> mKnowsCompositor;
+  PerformanceRecorderMulti<DecodeStage> mPerformanceRecorder;
+  const Maybe<TrackingId> mTrackingId;
+
+  uint32_t mMaxRefFrames = 0;
+  ReorderQueue mReorderQueue;
+  DecodedData mUnorderedData;
+
+  MozPromiseHolder<DecodePromise> mDecodePromise;
+  MozPromiseHolder<DecodePromise> mDrainPromise;
+  MozPromiseHolder<FlushPromise> mFlushPromise;
+  bool mConvertToAnnexB = false;
+  bool mCanDecodeBatch = false;
+  bool mReorderFrames = true;
+};
+
+}  // namespace mozilla
+
+#endif  // GMPVideoDecoder_h_