зеркало из https://github.com/mozilla/gecko-dev.git
67 строки
1.9 KiB
C++
67 строки
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GMPVideoPlaneImpl_h_
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#define GMPVideoPlaneImpl_h_
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#include "gmp-video-plane.h"
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#include "mozilla/ipc/Shmem.h"
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namespace mozilla {
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namespace gmp {
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class GMPVideoHostImpl;
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class GMPPlaneData;
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class GMPPlaneImpl : public GMPPlane
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{
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friend struct IPC::ParamTraits<mozilla::gmp::GMPPlaneImpl>;
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public:
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explicit GMPPlaneImpl(GMPVideoHostImpl* aHost);
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GMPPlaneImpl(const GMPPlaneData& aPlaneData, GMPVideoHostImpl* aHost);
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virtual ~GMPPlaneImpl();
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// This is called during a normal destroy sequence, which is
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// when a consumer is finished or during XPCOM shutdown.
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void DoneWithAPI();
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// This is called when something has gone wrong - specicifically,
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// a child process has crashed. Does not attempt to release Shmem,
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// as the Shmem has already been released.
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void ActorDestroyed();
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bool InitPlaneData(GMPPlaneData& aPlaneData);
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// GMPPlane
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GMPErr CreateEmptyPlane(int32_t aAllocatedSize,
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int32_t aStride,
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int32_t aPlaneSize) override;
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GMPErr Copy(const GMPPlane& aPlane) override;
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GMPErr Copy(int32_t aSize,
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int32_t aStride,
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const uint8_t* aBuffer) override;
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void Swap(GMPPlane& aPlane) override;
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int32_t AllocatedSize() const override;
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void ResetSize() override;
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bool IsZeroSize() const override;
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int32_t Stride() const override;
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const uint8_t* Buffer() const override;
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uint8_t* Buffer() override;
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void Destroy() override;
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private:
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GMPErr MaybeResize(int32_t aNewSize);
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void DestroyBuffer();
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ipc::Shmem mBuffer;
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int32_t mSize;
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int32_t mStride;
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GMPVideoHostImpl* mHost;
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};
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} // namespace gmp
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} // namespace mozilla
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#endif // GMPVideoPlaneImpl_h_
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