#include <iostream>
#include <math.h>
#include <stdio.h>

#include "opencv/cv.h"
#include "opencv/highgui.h"
#include "opencv/cvaux.h"
#include "opencv/cxcore.h"



int main()
{
    CvCapture * capture = cvCaptureFromAVI("square.avi");
    IplImage * frame;

    if(!capture)
    {
        perror("");
        return 10;
    }

    char key = 'c';
    int fps = (int) cvGetCaptureProperty(capture, CV_CAP_PROP_FPS);

    cvNamedWindow("Video");

    while(key != 'q' && key != 'Q')
    {
        frame = cvQueryFrame(capture);

        if(!frame)
        {
            perror("");
            return 20;
        }

        cvShowImage("Video", frame);

        key = cvWaitKey(1000 / fps);
    }

    cvReleaseImage(&frame);
    cvReleaseCapture(&capture);
    cvDestroyAllWindows();

    return 0;
}