#include <stdafx.h>
#include <iostream>
#include <cv.h>
#include <cvaux.h>
#include <highgui.h>
#include <cvcam.h>


using namespace std;

int main()

{
    
    cout << "Hello EveryOne!!!\n";        // print to screen


    //getchar();            // wait for a key to be pressed

    CvCapture* capture1 = cvCaptureFromCAM(0);
    CvCapture* capture2 = cvCaptureFromCAM(0);



    IplImage* img1 = 0;
    IplImage* img2 = 0;
    if(!cvGrabFrame(capture1)){              // capture a frame
        printf("Could not grab a frame from camera 1\n\7");
        exit(0);
    }
    if(!cvGrabFrame(capture2)){              // capture a frame
        printf("Could not grab a frame from camera 2\n\7");
        exit(0);
    }

    img1=cvRetrieveFrame(capture1);           // retrieve the captured frame
    img2=cvRetrieveFrame(capture2);

    
    // create a window
    cvNamedWindow("Left");
    cvMoveWindow("Left", 100, 300);

    cvNamedWindow("Right");
    cvMoveWindow("Right", 800, 300);

    // show the image
    cvShowImage("Left", img1 );
    cvShowImage("Right", img2 );

    // wait for a key
    cvWaitKey(0);

    //Release the image
    cvReleaseCapture(&capture1);
    cvReleaseCapture(&capture2);
    return 0;    // the main function returns zero

}

    for (int i = 0; i < 100; i++) {
        img1 = cvRetrieveFrame(capture1);  // retrieve the frame
        img2 = cvRetrieveFrame(capture2);
  
        // create a window
        cvNamedWindow("Left");
        cvMoveWindow("Left", 100, 300);

        cvNamedWindow("Right");
        cvMoveWindow("Right", 800, 300);

        // show the image
        cvShowImage("Left", img1 );
        cvShowImage("Right", img2);
    }

        //Release the image
        cvReleaseCapture(&capture1);
        cvReleaseCapture(&capture2);

    CvCapture *capture;
    IplImage *img;

    capture = cvCaptureFromCAM(0);
    cvNamedWindow("main");
    for (int i = 0; i < 100; i++) {
        img = cvRetrieveFrame(capture);
        cvShowImage("main", img);
    }
    cvReleaseCapture(&capture);