I wish to Record a Webcam, which is being as a mpjeg streamer

Am using

Emgu 4.7.0.5276

Emgu.CV.Bitmap 4.7.0.5276

DirectShowLib to select Webcam

```
    public void SetupWebCam()
    {
        recording = false;
        if (capture != null) capture.Dispose();
        capture = new VideoCapture(deviceID);
        writer = new VideoWriter("0video.mp4", VideoWriter.Fourcc('H', '2', '6', '4'), 30, new Size(1920, 1080), true);
        capture.Start();
        //get frames
        capture.ImageGrabbed += Capture_ImageGrabbed;
    }
    private void Capture_ImageGrabbed(object sender, EventArgs e)
    {
        frame = new Mat();
        capture.Retrieve(frame);
        pictureBox1.Image = frame.ToBitmap();
        if (recording == true)
        {
            writer.Write(frame);
        }
    }

Buttons to set recording true or false
It works, but **0Video.mp4** is Zero bytes
thanks