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

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* Copyright (c) 2014, Mozilla Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef GMPVideoEncodedFrameImpl_h_
#define GMPVideoEncodedFrameImpl_h_
#include "gmp-errors.h"
#include "gmp-video-frame.h"
#include "gmp-video-frame-encoded.h"
#include "gmp-decryption.h"
#include "mozilla/UniquePtr.h"
#include "mozilla/ipc/Shmem.h"
#include "mp4_demuxer/DecoderData.h"
namespace mozilla {
namespace gmp {
class GMPVideoHostImpl;
class GMPVideoEncodedFrameData;
class GMPEncryptedBufferDataImpl;
class GMPVideoEncodedFrameImpl: public GMPVideoEncodedFrame
{
friend struct IPC::ParamTraits<mozilla::gmp::GMPVideoEncodedFrameImpl>;
public:
explicit GMPVideoEncodedFrameImpl(GMPVideoHostImpl* aHost);
GMPVideoEncodedFrameImpl(const GMPVideoEncodedFrameData& aFrameData, GMPVideoHostImpl* aHost);
virtual ~GMPVideoEncodedFrameImpl();
void InitCrypto(const mp4_demuxer::CryptoSample& aCrypto);
// This is called during a normal destroy sequence, which is
// when a consumer is finished or during XPCOM shutdown.
void DoneWithAPI();
// Does not attempt to release Shmem, as the Shmem has already been released.
void ActorDestroyed();
bool RelinquishFrameData(GMPVideoEncodedFrameData& aFrameData);
// GMPVideoFrame
virtual GMPVideoFrameFormat GetFrameFormat() MOZ_OVERRIDE;
virtual void Destroy() MOZ_OVERRIDE;
// GMPVideoEncodedFrame
virtual GMPErr CreateEmptyFrame(uint32_t aSize) MOZ_OVERRIDE;
virtual GMPErr CopyFrame(const GMPVideoEncodedFrame& aFrame) MOZ_OVERRIDE;
virtual void SetEncodedWidth(uint32_t aEncodedWidth) MOZ_OVERRIDE;
virtual uint32_t EncodedWidth() MOZ_OVERRIDE;
virtual void SetEncodedHeight(uint32_t aEncodedHeight) MOZ_OVERRIDE;
virtual uint32_t EncodedHeight() MOZ_OVERRIDE;
// Microseconds
virtual void SetTimeStamp(uint64_t aTimeStamp) MOZ_OVERRIDE;
virtual uint64_t TimeStamp() MOZ_OVERRIDE;
// Set frame duration (microseconds)
// NOTE: next-frame's Timestamp() != this-frame's TimeStamp()+Duration()
// depending on rounding to avoid having to track roundoff errors
// and dropped/missing frames(!) (which may leave a large gap)
virtual void SetDuration(uint64_t aDuration) MOZ_OVERRIDE;
virtual uint64_t Duration() const MOZ_OVERRIDE;
virtual void SetFrameType(GMPVideoFrameType aFrameType) MOZ_OVERRIDE;
virtual GMPVideoFrameType FrameType() MOZ_OVERRIDE;
virtual void SetAllocatedSize(uint32_t aNewSize) MOZ_OVERRIDE;
virtual uint32_t AllocatedSize() MOZ_OVERRIDE;
virtual void SetSize(uint32_t aSize) MOZ_OVERRIDE;
virtual uint32_t Size() MOZ_OVERRIDE;
virtual void SetCompleteFrame(bool aCompleteFrame) MOZ_OVERRIDE;
virtual bool CompleteFrame() MOZ_OVERRIDE;
virtual const uint8_t* Buffer() const MOZ_OVERRIDE;
virtual uint8_t* Buffer() MOZ_OVERRIDE;
virtual GMPBufferType BufferType() const MOZ_OVERRIDE;
virtual void SetBufferType(GMPBufferType aBufferType) MOZ_OVERRIDE;
virtual const GMPEncryptedBufferMetadata* GetDecryptionData() const MOZ_OVERRIDE;
private:
void DestroyBuffer();
uint32_t mEncodedWidth;
uint32_t mEncodedHeight;
uint64_t mTimeStamp;
uint64_t mDuration;
GMPVideoFrameType mFrameType;
uint32_t mSize;
bool mCompleteFrame;
GMPVideoHostImpl* mHost;
ipc::Shmem mBuffer;
GMPBufferType mBufferType;
nsAutoPtr<GMPEncryptedBufferDataImpl> mCrypto;
};
} // namespace gmp
template<>
struct DefaultDelete<mozilla::gmp::GMPVideoEncodedFrameImpl>
{
void operator()(mozilla::gmp::GMPVideoEncodedFrameImpl* aFrame) const
{
aFrame->Destroy();
}
};
} // namespace mozilla
#endif // GMPVideoEncodedFrameImpl_h_