读取视频

读取视频

简单版：http://blog.youkuaiyun.com/dengshuaifei/article/details/51213609

 VideoCapturecap("D:\\video.mp4");//cap.open();

if(!cap.isOpened())

 {

cout<<"cannotopen video"<<endl;

return0;

 }

 Mat frame;

 namedWindow("video");

 while(1)

 {

cap>>frame;//cap.read(frame);

 if(frame.empty())

 break;

 imshow("video",frame);

 if(waitKey(10)==27)//或者延迟1000/rate, rate=cap.get(CV_CAP_PROP_FPS);

break;

}

cap.release();

destoryWindow("video");

 return 0;

}

复杂版：http://www.tuicool.com/articles/AVVjqacvNamedWindow("video",WINDOW_NORMAL);

 CvCapture*cap=cvCreateFileCapture("D:\\Data\\TestDll\\video\\luohu_1.mp4");

IplImage*frame;

 while(1)

 {

frame=cvQueryFrame(cap);

if(!frame)

break;

 cvShowImage("video",frame);

if(cvWaitKey(10)==27)

 break;

}

cvReleaseCapture(&cap);

cvDestroyWindow("video");

return0;