#include <stdio.h>

#include <stdlib.h>

#include "highgui.h"

int main(int argc, char** argv) {

  int delay = 33;

  if (3==argc) {

    delay = atoi(argv[2]);

  }

  printf("Delay is %d\n", delay);

  cvNamedWindow("Example 2-2", CV_WINDOW_AUTOSIZE);

  CvCapture* capture = cvCreateFileCapture(argv[1]);

  IplImage* frame;

  while(1) {

    frame = cvQueryFrame(capture);

    if (!frame) break;

    cvShowImage("Example 2-2", frame);

    char c = cvWaitKey(delay);

    if (27==c) break;

  }

  cvReleaseCapture(&capture);

  cvDestroyWindow("Example 2-2");

}