sampleopencv

// #include <cv.h>
#include <highgui.h>
#include <stdio.h>

int main() {
  CvCapture* capture = cvCaptureFromCAM( CV_CAP_ANY );
  if ( !capture ) {
    fprintf( stderr, "ERROR: capture is NULL \n" );
    getchar();
    return -1;
  }
  while ( 1 ) {
    IplImage* frame = cvQueryFrame( capture );
    if ( !frame ) {
      fprintf( stderr, "ERROR: frame is null...\n" );
      getchar();
      break;
    }
    cvSaveImage( "image.jpg", frame, 0);
    if ( (cvWaitKey(10) & 255) == 27 ) break;
  }
  cvReleaseCapture( &capture );
  return 0;
}