《学习OpenCV》中文版p31-p32,p21页
#include <highgui.h>
#include <cv.h>
#include <iostream>
#include <string.h>
using namespace std;
int main()
{
cvNamedWindow("CameraVedio",1);
CvCapture *caputure=cvCreateCameraCapture(-1);
assert(NULL!=caputure);
IplImage * frame;
while(true)
{
frame=cvQueryFrame(caputure);
if(!frame) break;
cvFlip(frame,frame,1);
cvShowImage("CameraVedio",frame);
char c=cvWaitKey(33);
if(27==c) break;
}
cvReleaseCapture(&caputure);
cvDestroyWindow("CameraVedio");
return 0;
}