generic-library/opencv
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Tegra optimization for calcOpticalFlowPyrLK

Browse Source
This commit is contained in:
Andrey Kamaev 2011-05-20 14:33:41 +00:00
parent ebe2d03aef
commit 1388826c41
3 changed files with 17 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
modules/highgui/src/cap_android.cpp
View File

@ -459,7 +459,6 @@ bool CvCapture_Android::convertYUV420i2Grey(int width, int height, const unsigne
return !resmat.empty();
}
#ifndef HAVE_TEGRA_OPTIMIZATION
template<int R>
struct YUV420i2BGR888Invoker
{
@ -516,7 +515,6 @@ struct YUV420i2BGR888Invoker
}
}
};
#endif
bool CvCapture_Android::convertYUV420i2BGR888(int width, int height, const unsigned char* yuv, cv::Mat& resmat, bool inRGBorder)
{
@ -529,13 +527,15 @@ bool CvCapture_Android::convertYUV420i2BGR888(int width, int height, const unsig
unsigned char* uv = y1 + width * height;
#ifdef HAVE_TEGRA_OPTIMIZATION
cv::parallel_for(cv::BlockedRange(0, height, 2), tegra::YUV420i2BGR888Invoker(resmat, width, y1, uv, inRGBorder));
#else
if (inRGBorder)
cv::parallel_for(cv::BlockedRange(0, height, 2), YUV420i2BGR888Invoker<2>(resmat, width, y1, uv));
else
cv::parallel_for(cv::BlockedRange(0, height, 2), YUV420i2BGR888Invoker<0>(resmat, width, y1, uv));
#warning "TEGRA OPTIMIZED YUV420i TO RGB888 CONVERSION IS USED"
if (!tegra::YUV420i2BGR888(width, height, y1, uv, resmat, inRGBorder))
#endif
{
if (inRGBorder)
cv::parallel_for(cv::BlockedRange(0, height, 2), YUV420i2BGR888Invoker<2>(resmat, width, y1, uv));
else
cv::parallel_for(cv::BlockedRange(0, height, 2), YUV420i2BGR888Invoker<0>(resmat, width, y1, uv));
}
return !resmat.empty();
}

5
modules/video/src/lkpyramid.cpp
View File

@ -50,6 +50,11 @@ void cv::calcOpticalFlowPyrLK( const InputArray& _prevImg, const InputArray& _ne
double derivLambda,
int flags )
{
#ifdef HAVE_TEGRA_OPTIMIZATION
#warning "TEGRA OPTIMIZED calcOpticalFlowPyrLK IS USED"
if (tegra::calcOpticalFlowPyrLK(_prevImg, _nextImg, _prevPts, _nextPts, _status, _err, winSize, maxLevel, criteria, derivLambda, flags))
return;
#endif
Mat prevImg = _prevImg.getMat(), nextImg = _nextImg.getMat(), prevPtsMat = _prevPts.getMat();
derivLambda = std::min(std::max(derivLambda, 0.), 1.);
double lambda1 = 1. - derivLambda, lambda2 = derivLambda;

4
modules/video/src/precomp.hpp
View File

@ -56,4 +56,8 @@
#include "opencv2/imgproc/imgproc.hpp"
#include "opencv2/core/internal.hpp"
#ifdef HAVE_TEGRA_OPTIMIZATION
#include "opencv2/video/video_tegra.hpp"
#endif
#endif