摄像头摄影
#include <iostream>
#include <opencv2/opencv.hpp>
using namespace cv;
using namespace std;
int main()
{
Mat input_image;
VideoCapture cam(0);
if (!cam.isOpened()) exit(0);
Size s(320, 240);
VideoWriter writer = VideoWriter("myvideo.avi", CV_FOURCC(‘M‘, ‘J‘, ‘P‘, ‘G‘), 25, s);
if (!writer.isOpened())
{
cout << "cannot create a file.\n" << endl;
return -1;
}
namedWindow("input image");
while (true) {
cam >> input_image;
//WriteFrame(writer, outimage)
// cvWriteFrame(writer, input_image);
imshow("input image", input_image);
// writer << input_image;
if (27 == waitKey(30))
break;
}
}