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qsdecoder/sysmem_allocator.h

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/*
* Copyright (c) 2013, INTEL 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:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 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.
* Neither the name of INTEL CORPORATION nor the names of its contributors may
* be used to endorse or promote products derived from this software without specific
* prior written permission.
*
* 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.
*/
#pragma once
#include "base_allocator.h"
struct sBuffer
{
mfxU32 id;
mfxU32 nbytes;
mfxU16 type;
};
struct sFrame
{
mfxU32 id;
mfxFrameInfo info;
};
struct SysMemAllocatorParams : mfxAllocatorParams
{
MFXBufferAllocator *pBufferAllocator;
};
class SysMemFrameAllocator: public BaseFrameAllocator
{
public:
SysMemFrameAllocator();
virtual ~SysMemFrameAllocator();
virtual mfxStatus Init(mfxAllocatorParams *pParams);
virtual mfxStatus Close();
virtual mfxStatus LockFrame(mfxMemId mid, mfxFrameData *ptr);
virtual mfxStatus UnlockFrame(mfxMemId mid, mfxFrameData *ptr);
virtual mfxStatus GetFrameHDL(mfxMemId mid, mfxHDL *handle);
protected:
virtual mfxStatus CheckRequestType(mfxFrameAllocRequest *request);
virtual mfxStatus ReleaseResponse(mfxFrameAllocResponse *response);
virtual mfxStatus AllocImpl(mfxFrameAllocRequest *request, mfxFrameAllocResponse *response);
MFXBufferAllocator *m_pBufferAllocator;
bool m_bOwnBufferAllocator;
};
class SysMemBufferAllocator : public MFXBufferAllocator
{
public:
SysMemBufferAllocator();
virtual ~SysMemBufferAllocator();
virtual mfxStatus AllocBuffer(mfxU32 nbytes, mfxU16 type, mfxMemId *mid);
virtual mfxStatus LockBuffer(mfxMemId mid, mfxU8 **ptr);
virtual mfxStatus UnlockBuffer(mfxMemId mid);
virtual mfxStatus FreeBuffer(mfxMemId mid);
};