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annotate c/cvutils.cpp @ 11:e77e2fd69b02

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modularized code (not compiling)
author Nicolas Saunier <nico@confins.net>
date Wed, 11 Nov 2009 12:01:43 -0500
parents eb38637f338d
children ff5403319cec
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eb38637f338d created cvutils
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1 #include "cvutils.hpp"
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2
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3 #include "opencv/cv.h"
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4
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5 #include <iostream>
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6
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7 using namespace std;
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9 IplImage* allocateImage(const int& width, const int& height, const int& depth, const int& channels) { return ::allocateImage(cvSize(width, height), depth, channels);}
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11 IplImage* allocateImage(const CvSize& size, const int& depth, const int& channels) {
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12 IplImage* image = cvCreateImage(size, depth, channels);
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14 if (!image) {
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15 cerr << "Error: Couldn't allocate image. Out of memory?\n" << endl;
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16 exit(-1);
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17 }
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19 return image;
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20 }
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21
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22 void goToFrameNum(CvCapture* capture, const int& currentFrameNum, const int& targetFrameNum) {
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23 if (currentFrameNum > targetFrameNum)
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24 cerr << "Current frame number " << currentFrameNum << " is after the target frame number " << targetFrameNum << "." << endl;
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25
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26 for (int frameNum = currentFrameNum; frameNum<targetFrameNum; ++frameNum) {
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27 IplImage* frame = cvQueryFrame(inputVideo);
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28 if (!frame)
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29 break;
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30 frameNum++;
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31 }
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32 }