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Added ippiPyrDown_Gauss5x5 to cv::pyrDown

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This commit is contained in:
Alexander Karsakov 2014-04-16 11:39:10 +04:00
parent 80ef1f6753
commit f218dffce6
1 changed files with 31 additions and 1 deletions
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32
modules/imgproc/src/pyramids.cpp
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@ -501,13 +501,43 @@ void cv::pyrDown( InputArray _src, OutputArray _dst, const Size& _dsz, int borde
Size dsz = _dsz.area() == 0 ? Size((src.cols + 1)/2, (src.rows + 1)/2) : _dsz;
_dst.create( dsz, src.type() );
Mat dst = _dst.getMat();
int depth = src.depth();
#ifdef HAVE_TEGRA_OPTIMIZATION
if(borderType == BORDER_DEFAULT && tegra::pyrDown(src, dst))
return;
#endif
int depth = src.depth();
#if (defined(HAVE_IPP) && !defined(HAVE_IPP_ICV_ONLY) && IPP_VERSION_X100 >= 801)
typedef IppStatus (CV_STDCALL * ippiPyrDown)(const void* pSrc, int srcStep, void* pDst, int dstStep, IppiSize srcRoi, Ipp8u* buffer);
int type = src.type();
CV_SUPPRESS_DEPRECATED_START
ippiPyrDown pyrDownFunc = type == CV_8UC1 ? (ippiPyrDown) ippiPyrDown_Gauss5x5_8u_C1R :
type == CV_8UC3 ? (ippiPyrDown) ippiPyrDown_Gauss5x5_8u_C3R :
type == CV_32FC1 ? (ippiPyrDown) ippiPyrDown_Gauss5x5_32f_C1R :
type == CV_32FC3 ? (ippiPyrDown) ippiPyrDown_Gauss5x5_32f_C3R : 0;
CV_SUPPRESS_DEPRECATED_END
if (pyrDownFunc)
{
int bufferSize;
IppiSize srcRoi = { src.cols, src.rows };
IppDataType dataType = depth == CV_8U ? ipp8u : ipp32f;
CV_SUPPRESS_DEPRECATED_START
IppStatus ok = ippiPyrDownGetBufSize_Gauss5x5(srcRoi.width, dataType, src.channels(), &bufferSize);
CV_SUPPRESS_DEPRECATED_END
if (ok >= 0)
{
Ipp8u* buffer = ippsMalloc_8u(bufferSize);
ok = pyrDownFunc(src.data, (int) src.step, dst.data, (int) dst.step, srcRoi, buffer);
ippsFree(buffer);
if (ok >= 0)
return;
}
}
#endif
PyrFunc func = 0;
if( depth == CV_8U )
func = pyrDown_<FixPtCast<uchar, 8>, PyrDownVec_32s8u>;