Enregistrement accelere - Opencv

#include "stdafx.h"
#include <cv.h>
#include <highgui.h>
 
int _tmain(int argc, _TCHAR* argv[])
{
    CvCapture *capture = 0;
    CvCapture *capture1 = 0;
    IplImage  *frame = 0;
    IplImage  *frame1 = 0;
    int       key = 0;
    int frameW  = 640;
    int frameH  = 480; 
 
    /* initialize camera */
    capture = cvCaptureFromCAM( 0 );
    capture1 = cvCaptureFromCAM( 1 );
 
	/* always check */
    if ( !capture ) {
        fprintf( stderr, "Cannot open initialize webcam!\n" );
        return 1;
    }
	if ( !capture1 ) {
        fprintf( stderr, "Cannot open initialize webcam!\n" );
        return 1;
    }
 
    /* create a window for the video */
    cvNamedWindow( "result", CV_WINDOW_AUTOSIZE );
    cvNamedWindow( "result1", CV_WINDOW_AUTOSIZE );
 
CvVideoWriter *writer=cvCreateVideoWriter("out1.avi",CV_FOURCC('D','I','V','X'),25,cvSize(frameW ,frameH ),1); 
CvVideoWriter *writer1=cvCreateVideoWriter("out2.avi",CV_FOURCC('D','I','V','X'),25,cvSize(frameW ,frameH ),1); 
int i;
    while( key != 'q' ) {
        /* get a frame */
        frame = cvQueryFrame( capture );
	frame1 = cvQueryFrame( capture1 );
 
        /* always check */
        if( !frame ) break;
	if( !frame1 ) break;
 
        cvWriteFrame( writer, frame);
	cvWriteFrame( writer1, frame1);
 
		/* display current frame */
        cvShowImage( "result", frame );
	cvShowImage( "result1", frame1 );
 
	key = cvWaitKey( 50 );
    }
 
    /* free memory */
        cvDestroyWindow( "result" );
	cvDestroyWindow( "result1" );
        cvReleaseCapture( &capture );
	cvReleaseCapture( &capture1 );
	cvReleaseImage(&frame);
	cvReleaseImage(&frame1);
	cvReleaseVideoWriter(writer);
	cvReleaseVideoWriter(writer1);
    return 0;
}