#include "opencv2/highgui/highgui.hpp"

#include <vector>

#include <stdio.h>

using namespace cv;

int main(int argc, char** argv)

{

    if (argc < 2)

    {

        printf("Error. Pass output file name as a parameter\n");

        return -1;

    }

    VideoCapture capture(0);

    int fWidth = capture.get(CV_CAP_PROP_FRAME_WIDTH);

    int fHeight = capture.get(CV_CAP_PROP_FRAME_HEIGHT);

    if (!capture.isOpened())

    {

        printf("Error: cannot open camera\n");

        return -1;

    }

    printf("Video camera opened with resolition %dx%d\n", fWidth, fHeight);

    printf("Before video writer constructor\n");

    VideoWriter writer;

    printf("After video writer constructor\n");

    writer.open(argv[1], CV_FOURCC('F', 'L', 'V', '1'), 24, Size(fWidth, fHeight));

    printf("After video writer.open()\n");

    Mat frame;

    for (int i = 0; i < 25; i++) {

        printf("Grub frame\n");

        capture >> frame;

        if (frame.empty())

            break;

        printf("Write frame\n");

        writer.write(frame);

    }

    return 0;

}