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

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
parents
children e77e2fd69b02
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#include "cvutils.hpp"

#include "opencv/cv.h"
#include "opencv/highgui.h"

#include <iostream>
#include <ctime>

using namespace std;


int main(int argc, char *argv[]) {
  //cout << "Hello World" << endl;

  CvCapture *inputVideo = cvCaptureFromFile(argv[1]);

  IplImage* frame = cvQueryFrame(inputVideo);
  //IplImage* bwFrame = allocateImage(frame->width, frame->height, IPL_DEPTH_8U, 1);

  int frameNum = 0;
  time_t seconds;
  time_t t0 = time(NULL);
  while (frame) {
    if (frameNum%1000 == 0) {
      seconds = time(NULL)-t0;

      cout << frameNum << " " << seconds << endl;
    }
//     cvConvertImage(frame, bwFrame);
    
//     for (int i=0; i<frame->height; ++i)
//       for (int j=0; j<frame->width; ++j)
// 	int gray = cvGetReal2D(bwFrame, i, j);

    frame = cvQueryFrame(inputVideo);
    frameNum++;
  }

  return 1;
}