gecko/content/media/gmp/GMPVideoPlaneImpl.h

67 lines
2.1 KiB
C++

/* -*- 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:
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
virtual GMPVideoErr CreateEmptyPlane(int32_t aAllocatedSize,
int32_t aStride,
int32_t aPlaneSize) MOZ_OVERRIDE;
virtual GMPVideoErr Copy(const GMPPlane& aPlane) MOZ_OVERRIDE;
virtual GMPVideoErr Copy(int32_t aSize,
int32_t aStride,
const uint8_t* aBuffer) MOZ_OVERRIDE;
virtual void Swap(GMPPlane& aPlane) MOZ_OVERRIDE;
virtual int32_t AllocatedSize() const MOZ_OVERRIDE;
virtual void ResetSize() MOZ_OVERRIDE;
virtual bool IsZeroSize() const MOZ_OVERRIDE;
virtual int32_t Stride() const MOZ_OVERRIDE;
virtual const uint8_t* Buffer() const MOZ_OVERRIDE;
virtual uint8_t* Buffer() MOZ_OVERRIDE;
virtual void Destroy() MOZ_OVERRIDE;
private:
GMPVideoErr MaybeResize(int32_t aNewSize);
void DestroyBuffer();
ipc::Shmem mBuffer;
int32_t mSize;
int32_t mStride;
GMPVideoHostImpl* mHost;
};
} // namespace gmp
} // namespace mozilla
#endif // GMPVideoPlaneImpl_h_