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