1 files changed, 103 insertions, 0 deletions
diff --git a/dom/media/gmp/GMPVideoDecoderParent.h b/dom/media/gmp/GMPVideoDecoderParent.h
new file mode 100644
index 0000000000..9265202a63
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+++ b/dom/media/gmp/GMPVideoDecoderParent.h
@@ -0,0 +1,103 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 GMPVideoDecoderParent_h_
+#define GMPVideoDecoderParent_h_
+
+#include "mozilla/RefPtr.h"
+#include "gmp-video-decode.h"
+#include "mozilla/gmp/PGMPVideoDecoderParent.h"
+#include "GMPMessageUtils.h"
+#include "GMPSharedMemManager.h"
+#include "GMPUtils.h"
+#include "GMPVideoHost.h"
+#include "GMPVideoDecoderProxy.h"
+#include "VideoUtils.h"
+#include "GMPCrashHelperHolder.h"
+
+namespace mozilla::gmp {
+
+class GMPContentParent;
+
+class GMPVideoDecoderParent final : public PGMPVideoDecoderParent,
+                                    public GMPVideoDecoderProxy,
+                                    public GMPSharedMemManager,
+                                    public GMPCrashHelperHolder {
+  friend class PGMPVideoDecoderParent;
+
+ public:
+  // Mark AddRef and Release as `final`, as they overload pure virtual
+  // implementations in PGMPVideoDecoderParent.
+  NS_INLINE_DECL_REFCOUNTING(GMPVideoDecoderParent, final)
+
+  explicit GMPVideoDecoderParent(GMPContentParent* aPlugin);
+
+  GMPVideoHostImpl& Host();
+  nsresult Shutdown();
+
+  // GMPVideoDecoder
+  void Close() override;
+  nsresult InitDecode(const GMPVideoCodec& aCodecSettings,
+                      const nsTArray<uint8_t>& aCodecSpecific,
+                      GMPVideoDecoderCallbackProxy* aCallback,
+                      int32_t aCoreCount) override;
+  nsresult Decode(GMPUniquePtr<GMPVideoEncodedFrame> aInputFrame,
+                  bool aMissingFrames,
+                  const nsTArray<uint8_t>& aCodecSpecificInfo,
+                  int64_t aRenderTimeMs = -1) override;
+  nsresult Reset() override;
+  nsresult Drain() override;
+  uint32_t GetPluginId() const override { return mPluginId; }
+  GMPPluginType GetPluginType() const override { return mPluginType; }
+  nsCString GetDisplayName() const override;
+
+  // GMPSharedMemManager
+  bool Alloc(size_t aSize, Shmem* aMem) override {
+    return AllocShmem(aSize, aMem);
+  }
+  void Dealloc(Shmem&& aMem) override { DeallocShmem(aMem); }
+
+ private:
+  ~GMPVideoDecoderParent();
+
+  // PGMPVideoDecoderParent
+  void ActorDestroy(ActorDestroyReason aWhy) override;
+  mozilla::ipc::IPCResult RecvDecoded(
+      const GMPVideoi420FrameData& aDecodedFrame) override;
+  mozilla::ipc::IPCResult RecvReceivedDecodedReferenceFrame(
+      const uint64_t& aPictureId) override;
+  mozilla::ipc::IPCResult RecvReceivedDecodedFrame(
+      const uint64_t& aPictureId) override;
+  mozilla::ipc::IPCResult RecvInputDataExhausted() override;
+  mozilla::ipc::IPCResult RecvDrainComplete() override;
+  mozilla::ipc::IPCResult RecvResetComplete() override;
+  mozilla::ipc::IPCResult RecvError(const GMPErr& aError) override;
+  mozilla::ipc::IPCResult RecvShutdown() override;
+  mozilla::ipc::IPCResult RecvParentShmemForPool(
+      Shmem&& aEncodedBuffer) override;
+  mozilla::ipc::IPCResult RecvNeedShmem(const uint32_t& aFrameBufferSize,
+                                        Shmem* aMem) override;
+  mozilla::ipc::IPCResult Recv__delete__() override;
+
+  void UnblockResetAndDrain();
+  void CancelResetCompleteTimeout();
+
+  bool mIsOpen;
+  bool mShuttingDown;
+  bool mActorDestroyed;
+  bool mIsAwaitingResetComplete;
+  bool mIsAwaitingDrainComplete;
+  RefPtr<GMPContentParent> mPlugin;
+  RefPtr<GMPVideoDecoderCallbackProxy> mCallback;
+  GMPVideoHostImpl mVideoHost;
+  const uint32_t mPluginId;
+  GMPPluginType mPluginType = GMPPluginType::Unknown;
+  int32_t mFrameCount;
+  RefPtr<SimpleTimer> mResetCompleteTimeout;
+};
+
+}  // namespace mozilla::gmp
+
+#endif  // GMPVideoDecoderParent_h_