miniprojet/examples/cam-test.cpp

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#include "opencv2/opencv.hpp"
using namespace cv;
using namespace std;
int main(int argc, char* argv[]) {
VideoCapture cap(0);
if ( !cap.isOpened() ) {
cout << "Cannot open webcam" << endl;
return -1;
}
namedWindow("MyVideo",CV_WINDOW_AUTOSIZE);
while(1) {
Mat frame;
bool bSuccess = cap.read(frame);
if (!bSuccess) {
cout << "Cannot read the frame from webcam" << endl;
break;
}
imshow("MyVideo", frame);
if(waitKey(30) == 27) {
cout << "esc key is pressed by user" << endl;
break;
}
}
return 0;
}