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annotate c/main.cpp @ 4:6509f5b1d795

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updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
author Nicolas Saunier <nico@confins.net>
date Fri, 23 Oct 2009 00:26:47 -0400
parents ace29ecfb846
children
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6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
diff changeset
1 #include "opencv/cv.h"
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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2 #include "opencv/highgui.h"
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
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parents: 3
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4 #include <iostream>
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6 using namespace std;
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6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
diff changeset
8 IplImage* allocateImage(const CvSize& size, const int& depth, const int& channels) {
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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9 IplImage* image = cvCreateImage(size, depth, channels);
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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11 if (!image) {
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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12 cerr << "Error: Couldn't allocate image. Out of memory?\n" << endl;
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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13 exit(-1);
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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14 }
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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16 return image;
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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17 }
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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19 int main(int argc, char *argv[]) {
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6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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20 //cout << "Hello World" << endl;
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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22 CvCapture *inputVideo = cvCaptureFromFile(argv[1]);
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6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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24 IplImage* frame = cvQueryFrame(inputVideo);
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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25 IplImage* bwFrame = allocateImage(cvSize(frame->width, frame->height), IPL_DEPTH_8U, 1);
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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27 int frameNum = 0;
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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28 while (frame) {
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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29 if (frameNum%10 == 0)
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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30 cout << frameNum << endl;
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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31 cvConvertImage(frame, bwFrame);
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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33 for (int i=0; i<frame->height; ++i)
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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34 for (int j=0; j<frame->width; ++j)
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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35 int gray = cvGetReal2D(bwFrame, i, j);
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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37 frame = cvQueryFrame(inputVideo);
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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38 frameNum++;
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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39 }
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41 return 1;
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42 }