31 lines
545 B
C++
31 lines
545 B
C++
#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;
|
|
}
|