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-rw-r--r--dom/media/gmp/GMPVideoDecoderChild.h75
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diff --git a/dom/media/gmp/GMPVideoDecoderChild.h b/dom/media/gmp/GMPVideoDecoderChild.h
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+/* -*- 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 GMPVideoDecoderChild_h_
+#define GMPVideoDecoderChild_h_
+
+#include "nsString.h"
+#include "mozilla/gmp/PGMPVideoDecoderChild.h"
+#include "gmp-video-decode.h"
+#include "GMPSharedMemManager.h"
+#include "GMPVideoHost.h"
+#include "mozilla/gmp/GMPTypes.h"
+
+namespace mozilla::gmp {
+
+class GMPContentChild;
+
+class GMPVideoDecoderChild : public PGMPVideoDecoderChild,
+ public GMPVideoDecoderCallback,
+ public GMPSharedMemManager {
+ friend class PGMPVideoDecoderChild;
+
+ public:
+ // Mark AddRef and Release as `final`, as they overload pure virtual
+ // implementations in PGMPVideoDecoderChild.
+ NS_INLINE_DECL_THREADSAFE_REFCOUNTING(GMPVideoDecoderChild, final);
+
+ explicit GMPVideoDecoderChild(GMPContentChild* aPlugin);
+
+ void Init(GMPVideoDecoder* aDecoder);
+ GMPVideoHostImpl& Host();
+
+ // GMPVideoDecoderCallback
+ void Decoded(GMPVideoi420Frame* decodedFrame) override;
+ void ReceivedDecodedReferenceFrame(const uint64_t pictureId) override;
+ void ReceivedDecodedFrame(const uint64_t pictureId) override;
+ void InputDataExhausted() override;
+ void DrainComplete() override;
+ void ResetComplete() override;
+ void Error(GMPErr aError) override;
+
+ // GMPSharedMemManager
+ bool Alloc(size_t aSize, Shmem* aMem) override;
+ void Dealloc(Shmem&& aMem) override;
+
+ private:
+ virtual ~GMPVideoDecoderChild();
+
+ // PGMPVideoDecoderChild
+ mozilla::ipc::IPCResult RecvInitDecode(const GMPVideoCodec& aCodecSettings,
+ nsTArray<uint8_t>&& aCodecSpecific,
+ const int32_t& aCoreCount);
+ mozilla::ipc::IPCResult RecvDecode(
+ const GMPVideoEncodedFrameData& aInputFrame, const bool& aMissingFrames,
+ nsTArray<uint8_t>&& aCodecSpecificInfo, const int64_t& aRenderTimeMs);
+ mozilla::ipc::IPCResult RecvChildShmemForPool(Shmem&& aFrameBuffer);
+ mozilla::ipc::IPCResult RecvReset();
+ mozilla::ipc::IPCResult RecvDrain();
+ mozilla::ipc::IPCResult RecvDecodingComplete();
+
+ GMPContentChild* mPlugin;
+ GMPVideoDecoder* mVideoDecoder;
+ GMPVideoHostImpl mVideoHost;
+
+ // Non-zero when a GMP is blocked spinning the IPC message loop while
+ // waiting on an NeedShmem to complete.
+ int mNeedShmemIntrCount;
+ bool mPendingDecodeComplete;
+};
+
+} // namespace mozilla::gmp
+
+#endif // GMPVideoDecoderChild_h_