1 files changed, 68 insertions, 0 deletions
diff --git a/dom/media/platforms/agnostic/DAV1DDecoder.h b/dom/media/platforms/agnostic/DAV1DDecoder.h
new file mode 100644
index 0000000000..3a7f4d4ee4
--- /dev/null
+++ b/dom/media/platforms/agnostic/DAV1DDecoder.h
@@ -0,0 +1,68 @@
+/* -*- 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(DAV1DDecoder_h_)
+#  define DAV1DDecoder_h_
+
+#  include "PerformanceRecorder.h"
+#  include "PlatformDecoderModule.h"
+#  include "dav1d/dav1d.h"
+#  include "nsRefPtrHashtable.h"
+
+namespace mozilla {
+
+DDLoggedTypeDeclNameAndBase(DAV1DDecoder, MediaDataDecoder);
+
+typedef nsRefPtrHashtable<nsPtrHashKey<const uint8_t>, MediaRawData>
+    MediaRawDataHashtable;
+
+class DAV1DDecoder final : public MediaDataDecoder,
+                           public DecoderDoctorLifeLogger<DAV1DDecoder> {
+ public:
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(DAV1DDecoder, final);
+
+  explicit DAV1DDecoder(const CreateDecoderParams& 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 "av1 libdav1d video decoder"_ns;
+  }
+  nsCString GetCodecName() const override { return "av1"_ns; }
+
+  void ReleaseDataBuffer(const uint8_t* buf);
+
+  static Maybe<gfx::YUVColorSpace> GetColorSpace(const Dav1dPicture& aPicture,
+                                                 LazyLogModule& aLogger);
+
+  static Maybe<gfx::ColorSpace2> GetColorPrimaries(const Dav1dPicture& aPicture,
+                                                   LazyLogModule& aLogger);
+
+ private:
+  virtual ~DAV1DDecoder();
+  RefPtr<DecodePromise> InvokeDecode(MediaRawData* aSample);
+  int GetPicture(DecodedData& aData, MediaResult& aResult);
+  already_AddRefed<VideoData> ConstructImage(const Dav1dPicture& aPicture);
+
+  Dav1dContext* mContext = nullptr;
+
+  const VideoInfo mInfo;
+  const RefPtr<TaskQueue> mTaskQueue;
+  const RefPtr<layers::ImageContainer> mImageContainer;
+  const RefPtr<layers::KnowsCompositor> mImageAllocator;
+  const Maybe<TrackingId> mTrackingId;
+  PerformanceRecorderMulti<DecodeStage> mPerformanceRecorder;
+
+  // Keep the buffers alive until dav1d
+  // does not need them any more.
+  MediaRawDataHashtable mDecodingBuffers;
+};
+
+}  // namespace mozilla
+
+#endif  // DAV1DDecoder_h_