miniprojet/opencv/testcam.cpp

37 lines
624 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;
}