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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 GMPVideoPlaneImpl_h_
#define GMPVideoPlaneImpl_h_
#include "gmp-video-plane.h"
#include "mozilla/ipc/Shmem.h"
namespace mozilla {
namespace gmp {
class GMPVideoHostImpl;
class GMPPlaneData;
class GMPPlaneImpl : public GMPPlane
{
friend struct IPC::ParamTraits<mozilla::gmp::GMPPlaneImpl>;
public:
explicit GMPPlaneImpl(GMPVideoHostImpl* aHost);
GMPPlaneImpl(const GMPPlaneData& aPlaneData, GMPVideoHostImpl* aHost);
virtual ~GMPPlaneImpl();
// This is called during a normal destroy sequence, which is
// when a consumer is finished or during XPCOM shutdown.
void DoneWithAPI();
// This is called when something has gone wrong - specicifically,
// a child process has crashed. Does not attempt to release Shmem,
// as the Shmem has already been released.
void ActorDestroyed();
bool InitPlaneData(GMPPlaneData& aPlaneData);
// GMPPlane
GMPErr CreateEmptyPlane(int32_t aAllocatedSize,
int32_t aStride,
int32_t aPlaneSize) override;
GMPErr Copy(const GMPPlane& aPlane) override;
GMPErr Copy(int32_t aSize,
int32_t aStride,
const uint8_t* aBuffer) override;
void Swap(GMPPlane& aPlane) override;
int32_t AllocatedSize() const override;
void ResetSize() override;
bool IsZeroSize() const override;
int32_t Stride() const override;
const uint8_t* Buffer() const override;
uint8_t* Buffer() override;
void Destroy() override;
private:
GMPErr MaybeResize(int32_t aNewSize);
void DestroyBuffer();
ipc::Shmem mBuffer;
int32_t mSize;
int32_t mStride;
GMPVideoHostImpl* mHost;
};
} // namespace gmp
} // namespace mozilla
#endif // GMPVideoPlaneImpl_h_
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