Mercurial > hg > nsaunier > traffic-intelligence

comparison c/test-pixels.cpp @ 8:59b7e3954178

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renaming and added make clean
author Nicolas Saunier <nico@confins.net>
date Sat, 07 Nov 2009 23:33:51 -0500
parents c/main.cpp@6509f5b1d795
children eb38637f338d
comparison
equal deleted inserted replaced
7:ffddccfab7f9 8:59b7e3954178
1 #include "opencv/cv.h"
2 #include "opencv/highgui.h"
3
4 #include <iostream>
5
6 using namespace std;
7
8 IplImage* allocateImage(const CvSize& size, const int& depth, const int& channels) {
9 IplImage* image = cvCreateImage(size, depth, channels);
10
11 if (!image) {
12 cerr << "Error: Couldn't allocate image. Out of memory?\n" << endl;
13 exit(-1);
14 }
15
16 return image;
17 }
18
19 int main(int argc, char *argv[]) {
20 //cout << "Hello World" << endl;
21
22 CvCapture *inputVideo = cvCaptureFromFile(argv[1]);
23
24 IplImage* frame = cvQueryFrame(inputVideo);
25 IplImage* bwFrame = allocateImage(cvSize(frame->width, frame->height), IPL_DEPTH_8U, 1);
26
27 int frameNum = 0;
28 while (frame) {
29 if (frameNum%10 == 0)
30 cout << frameNum << endl;
31 cvConvertImage(frame, bwFrame);
32
33 for (int i=0; i<frame->height; ++i)
34 for (int j=0; j<frame->width; ++j)
35 int gray = cvGetReal2D(bwFrame, i, j);
36
37 frame = cvQueryFrame(inputVideo);
38 frameNum++;
39 }
40
41 return 1;
42 }