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annotate c/optical-flow.cpp @ 10:068cf45c3f1b

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added optical flow skeleton (test to reach a frame with cvqueryframe (fast for small resolutions)
author Nicolas Saunier <nico@confins.net>
date Mon, 09 Nov 2009 01:56:25 -0500
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children e77e2fd69b02
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068cf45c3f1b added optical flow skeleton (test to reach a frame with cvqueryframe (fast for small resolutions)
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1 #include "cvutils.hpp"
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3 #include "opencv/cv.h"
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4 #include "opencv/highgui.h"
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6 #include <iostream>
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7 #include <ctime>
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9 using namespace std;
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12 int main(int argc, char *argv[]) {
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13 //cout << "Hello World" << endl;
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15 CvCapture *inputVideo = cvCaptureFromFile(argv[1]);
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17 IplImage* frame = cvQueryFrame(inputVideo);
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18 //IplImage* bwFrame = allocateImage(frame->width, frame->height, IPL_DEPTH_8U, 1);
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20 int frameNum = 0;
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21 time_t seconds;
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22 time_t t0 = time(NULL);
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23 while (frame) {
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24 if (frameNum%1000 == 0) {
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25 seconds = time(NULL)-t0;
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27 cout << frameNum << " " << seconds << endl;
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28 }
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29 // cvConvertImage(frame, bwFrame);
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31 // for (int i=0; i<frame->height; ++i)
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32 // for (int j=0; j<frame->width; ++j)
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33 // int gray = cvGetReal2D(bwFrame, i, j);
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35 frame = cvQueryFrame(inputVideo);
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36 frameNum++;
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37 }
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39 return 1;
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40 }