gecko-dev/dom/media/gmp/GMPVideoDecoderChild.h

86 строки
2.7 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 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 {
namespace gmp {
class GMPContentChild;
class GMPVideoDecoderChild : public PGMPVideoDecoderChild,
public GMPVideoDecoderCallback,
public GMPSharedMemManager
{
public:
explicit GMPVideoDecoderChild(GMPContentChild* aPlugin);
virtual ~GMPVideoDecoderChild();
void Init(GMPVideoDecoder* aDecoder);
GMPVideoHostImpl& Host();
// GMPVideoDecoderCallback
virtual void Decoded(GMPVideoi420Frame* decodedFrame) override;
virtual void ReceivedDecodedReferenceFrame(const uint64_t pictureId) override;
virtual void ReceivedDecodedFrame(const uint64_t pictureId) override;
virtual void InputDataExhausted() override;
virtual void DrainComplete() override;
virtual void ResetComplete() override;
virtual void Error(GMPErr aError) override;
// GMPSharedMemManager
virtual bool Alloc(size_t aSize, Shmem::SharedMemory::SharedMemoryType aType, Shmem* aMem) override
{
#ifndef SHMEM_ALLOC_IN_CHILD
return CallNeedShmem(aSize, aMem);
#else
#ifdef GMP_SAFE_SHMEM
return AllocShmem(aSize, aType, aMem);
#else
return AllocUnsafeShmem(aSize, aType, aMem);
#endif
#endif
}
virtual void Dealloc(Shmem& aMem) override
{
#ifndef SHMEM_ALLOC_IN_CHILD
SendParentShmemForPool(aMem);
#else
DeallocShmem(aMem);
#endif
}
private:
// PGMPVideoDecoderChild
virtual bool RecvInitDecode(const GMPVideoCodec& aCodecSettings,
InfallibleTArray<uint8_t>&& aCodecSpecific,
const int32_t& aCoreCount) override;
virtual bool RecvDecode(const GMPVideoEncodedFrameData& aInputFrame,
const bool& aMissingFrames,
InfallibleTArray<uint8_t>&& aCodecSpecificInfo,
const int64_t& aRenderTimeMs) override;
virtual bool RecvChildShmemForPool(Shmem&& aFrameBuffer) override;
virtual bool RecvReset() override;
virtual bool RecvDrain() override;
virtual bool RecvDecodingComplete() override;
GMPContentChild* mPlugin;
GMPVideoDecoder* mVideoDecoder;
GMPVideoHostImpl mVideoHost;
};
} // namespace gmp
} // namespace mozilla
#endif // GMPVideoDecoderChild_h_