1 files changed, 80 insertions, 0 deletions
diff --git a/dom/media/ipc/RemoteVideoDecoder.h b/dom/media/ipc/RemoteVideoDecoder.h
new file mode 100644
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+++ b/dom/media/ipc/RemoteVideoDecoder.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 include_dom_media_ipc_RemoteVideoDecoderChild_h
+#define include_dom_media_ipc_RemoteVideoDecoderChild_h
+#include "RemoteDecoderChild.h"
+#include "RemoteDecoderManagerChild.h"
+#include "RemoteDecoderParent.h"
+
+namespace mozilla::layers {
+class BufferRecycleBin;
+}  // namespace mozilla::layers
+
+namespace mozilla {
+
+class KnowsCompositorVideo : public layers::KnowsCompositor {
+ public:
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(KnowsCompositorVideo, override)
+
+  layers::TextureForwarder* GetTextureForwarder() override;
+  layers::LayersIPCActor* GetLayersIPCActor() override;
+
+  static already_AddRefed<KnowsCompositorVideo> TryCreateForIdentifier(
+      const layers::TextureFactoryIdentifier& aIdentifier);
+
+ private:
+  KnowsCompositorVideo() = default;
+  virtual ~KnowsCompositorVideo() = default;
+};
+
+using mozilla::ipc::IPCResult;
+
+class RemoteVideoDecoderChild : public RemoteDecoderChild {
+ public:
+  explicit RemoteVideoDecoderChild(RemoteDecodeIn aLocation);
+
+  MOZ_IS_CLASS_INIT MediaResult
+  InitIPDL(const VideoInfo& aVideoInfo, float aFramerate,
+           const CreateDecoderParams::OptionSet& aOptions,
+           mozilla::Maybe<layers::TextureFactoryIdentifier> aIdentifier,
+           const Maybe<uint64_t>& aMediaEngineId,
+           const Maybe<TrackingId>& aTrackingId);
+
+  MediaResult ProcessOutput(DecodedOutputIPDL&& aDecodedData) override;
+
+ private:
+  RefPtr<mozilla::layers::BufferRecycleBin> mBufferRecycleBin;
+};
+
+class RemoteVideoDecoderParent final : public RemoteDecoderParent {
+ public:
+  RemoteVideoDecoderParent(
+      RemoteDecoderManagerParent* aParent, const VideoInfo& aVideoInfo,
+      float aFramerate, const CreateDecoderParams::OptionSet& aOptions,
+      const Maybe<layers::TextureFactoryIdentifier>& aIdentifier,
+      nsISerialEventTarget* aManagerThread, TaskQueue* aDecodeTaskQueue,
+      const Maybe<uint64_t>& aMediaEngineId, Maybe<TrackingId> aTrackingId);
+
+ protected:
+  IPCResult RecvConstruct(ConstructResolver&& aResolver) override;
+
+  MediaResult ProcessDecodedData(MediaDataDecoder::DecodedData&& aData,
+                                 DecodedOutputIPDL& aDecodedData) override;
+
+ private:
+  // Can only be accessed from the manager thread
+  // Note: we can't keep a reference to the original VideoInfo here
+  // because unlike in typical MediaDataDecoder situations, we're being
+  // passed a deserialized VideoInfo from RecvPRemoteDecoderConstructor
+  // which is destroyed when RecvPRemoteDecoderConstructor returns.
+  const VideoInfo mVideoInfo;
+  const float mFramerate;
+  RefPtr<KnowsCompositorVideo> mKnowsCompositor;
+};
+
+}  // namespace mozilla
+
+#endif  // include_dom_media_ipc_RemoteVideoDecoderChild_h