Computer-vision/just_to_check_camera.cpp at master · vishal-kit/Computer-vision · GitHub

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//#include <opencv2/objdetect/objdetect.hpp>
//#include <opencv2/highgui/highgui.hpp>
//#include <opencv2/imgproc/imgproc.hpp>
#include<opencv2/opencv.hpp>
#include <iostream>
#include <stdio.h>

using namespace std;
using namespace cv;


int main( int argc, const char** argv )
{
    CvCapture* capture = 0;
    Mat frame, frameCopy, image;

    capture = cvCaptureFromCAM( 0 ); //0=default, -1=any camera, 1..99=your camera
    if(!capture) cout << "No camera detected" << endl;
cout << capture;
    cvNamedWindow( "result", 1 );

    if( capture )
    {
        cout << "In capture ..." << endl;
        for(;;)
        {
            IplImage* iplImg = cvQueryFrame( capture );
            frame = iplImg;
            if( frame.empty() )
                break;
            if( iplImg->origin == IPL_ORIGIN_TL )
                frame.copyTo( frameCopy );
            else
                flip( frame, frameCopy, 0 );

            if( waitKey( 10 ) >= 0 )
                cvReleaseCapture( &capture );
        }

        waitKey(0);

    cvDestroyWindow("result");

    return 0;
    }
}