How to play a video in opencv using C++?

edit

Please tell me how a video file is played in Opencv. I tried using cvCapture. here is the following code I used. it is displaying 'video not opened'.

int main(int argc, char* argv[]) { CvCapture* capture = cvCreateFileCapture("C:\Users\sbv\Documents\MyVideo.avi");

IplImage* frame = NULL;

if (!capture)
{
    printf("Video Not Opened\n");
    return -1;
}

int width = (int)cvGetCaptureProperty(capture, CV_CAP_PROP_FRAME_WIDTH);
int height = (int)cvGetCaptureProperty(capture, CV_CAP_PROP_FRAME_HEIGHT);
double fps = cvGetCaptureProperty(capture, CV_CAP_PROP_FPS);
int frame_count = (int)cvGetCaptureProperty(capture, CV_CAP_PROP_FRAME_COUNT);

printf("Video Size = %d x %d\n", width, height);
printf("FPS = %f\nTotal Frames = %d\n", fps, frame_count);

while (1)
{
    frame = cvQueryFrame(capture);

    if (!frame)
    {
        printf("Capture Finished\n");
        break;
    }

    cvShowImage("video", frame);
    cvWaitKey(10);
}

cvReleaseCapture(&capture);
return 0;

}