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// Copyright (c) 2009-2020 Intel Corporation
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
#ifndef __FAST_COPY_H__
#define __FAST_COPY_H__
#include "ippdefs.h"
#include "ippi.h"
#include "mfx_trace.h"
#include "mfxdefs.h"
#include <algorithm>
#include "umc_mutex.h"
#include "fast_copy_c_impl.h"
#include "fast_copy_sse4_impl.h"
enum
{
COPY_SYS_TO_SYS = 0,
COPY_SYS_TO_VIDEO = 1,
COPY_VIDEO_TO_SYS = 2,
};
typedef void(*t_copyVideoToSys)(const mfxU8* src, mfxU8* dst, int width);
typedef void(*t_copyVideoToSysShift)(const mfxU16* src, mfxU16* dst, int width, int shift);
typedef void(*t_copySysToVideoShift)(const mfxU16* src, mfxU16* dst, int width, int shift);
typedef void(*t_copySysVariantToVideo)(const mfxU8* src, int loffset, mfxU16* dst, int width);
void copyVideoToSys(const mfxU8* src, mfxU8* dst, int width);
void copyVideoToSysShift(const mfxU16* src, mfxU16* dst, int width, int shift);
void copySysToVideoShift(const mfxU16* src, mfxU16* dst, int width, int shift);
void copySysVariantToVideo(const mfxU8* src, int loffset, mfxU16* dst, int width);
template<typename T>
inline int mfxCopyRect(const T* pSrc, int srcStep, T* pDst, int dstStep, IppiSize roiSize, int flag)
{
if (!pDst || !pSrc || roiSize.width < 0 || roiSize.height < 0 || srcStep < 0 || dstStep < 0)
return -1;
if (flag & COPY_VIDEO_TO_SYS)
{
for(int h = 0; h < roiSize.height; h++ )
{
copyVideoToSys((const mfxU8*)pSrc, (mfxU8*)pDst, roiSize.width*sizeof(T));
pSrc = (T *)((mfxU8*)pSrc + srcStep);
pDst = (T *)((mfxU8*)pDst + dstStep);
}
} else {
for(int h = 0; h < roiSize.height; h++ )
{
std::copy(pSrc, pSrc + roiSize.width, pDst);
pSrc = (T *)((mfxU8*)pSrc + srcStep);
pDst = (T *)((mfxU8*)pDst + dstStep);
}
}
return 0;
}
class FastCopy
{
public:
// copy memory by streaming
static mfxStatus Copy(mfxU8 *pDst, mfxU32 dstPitch, mfxU8 *pSrc, mfxU32 srcPitch, IppiSize roi, int flag)
{
MFX_AUTO_LTRACE(MFX_TRACE_LEVEL_HOTSPOTS, "FastCopy::Copy");
if (NULL == pDst || NULL == pSrc)
{
return MFX_ERR_NULL_PTR;
}
/* The purpose of mutex here is to make the Copy() atomic.
* Without it CPU utilization grows dramatically due to cache trashing.
*/
static UMC::Mutex mutex; // This is thread-safe since C++11
UMC::AutomaticUMCMutex guard(mutex);
mfxCopyRect<mfxU8>(pSrc, srcPitch, pDst, dstPitch, roi, flag);
return MFX_ERR_NONE;
}
static mfxStatus CopyAndShift(mfxU16 *pDst, mfxU32 dstPitch, mfxU16 *pSrc, mfxU32 srcPitch, IppiSize roi, mfxU8 lshift, mfxU8 rshift, int flag)
{
MFX_AUTO_LTRACE(MFX_TRACE_LEVEL_HOTSPOTS, "FastCopy::Copy");
if (NULL == pDst || NULL == pSrc)
{
return MFX_ERR_NULL_PTR;
}
if (flag & COPY_VIDEO_TO_SYS)
{
for (int h = 0; h < roi.height; h++)
{
copyVideoToSysShift( pSrc, pDst, roi.width, rshift);
pSrc = (mfxU16 *)((mfxU8*)pSrc + srcPitch);
pDst = (mfxU16 *)((mfxU8*)pDst + dstPitch);
}
}
else {
for (int h = 0; h < roi.height; h++)
{
copySysToVideoShift( pSrc, pDst, roi.width, lshift);
pSrc = (mfxU16 *)((mfxU8*)pSrc + srcPitch);
pDst = (mfxU16 *)((mfxU8*)pDst + dstPitch);
}
}
return MFX_ERR_NONE;
}
};
#endif // __FAST_COPY_H__
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