public void InitializeCamera(string cameraName)
{
if (VideoDevices == null)
{
GetCameras();
}
var selected = VideoDevices.Where(x => x.Name == cameraName).FirstOrDefault().MonikerString;
VideoSource = new VideoCaptureDevice(selected);
// Then, we just have to define what we would like to do once the device send
// us a new frame. This can be done using standard .NET events (the actual
// contents of the video_NewFrame method is shown at the bottom of this page)
videoSourcePlayer.VideoSource = VideoSource;
videoSourcePlayer.Start();
}
private void boxCaptureDevice_SelectedIndexChanged(object sender, EventArgs e)
{
// May need to tweak more
if (boxCaptureDevice.SelectedItem.ToString() == VideoDevice)
{
return;
}
if (_Component.Scanner.IsVideoSourceRunning())
{
_Component.Scanner.Stop();
}
retry:
var videoDevices = new FilterInfoCollection(FilterCategory.VideoInputDevice);
var matches = videoDevices.Where(v => v.ToString() == boxCaptureDevice.Text);
if (matches.Count() > 0)
{
var match = matches.First();
VideoDevice = match.ToString();
_Component.Scanner.AsyncStart();
}
else
{
lblCaptureDevice.Text = "Capture Device";
DialogResult dr = MessageBox.Show(
"Selected video capture device cannont be found. Has it been unplugged?",
"Error",
MessageBoxButtons.RetryCancel,
MessageBoxIcon.Error
);
if (dr == DialogResult.Retry)
{
goto retry;
}
else
{
FillboxCaptureDevice();
}
}
}
internal bool FillboxCaptureDevice()
{
var videoDevices = new FilterInfoCollection(FilterCategory.VideoInputDevice);
if (videoDevices.Count > 0)
{
boxCaptureDevice.Enabled = true;
int selectedIndex = boxCaptureDevice.SelectedIndex;
boxCaptureDevice.Items.Clear();
if (!string.IsNullOrEmpty(VideoDevice))
{
var savedDevices = videoDevices.Where(d => d.ToString() == VideoDevice);
if (savedDevices.Count() > 0)
{
var savedDevice = savedDevices.First();
selectedIndex = videoDevices.IndexOf(savedDevice);
}
}
for (var i = 0; i < videoDevices.Count; i++)
{
boxCaptureDevice.Items.Add(videoDevices[i]);
}
boxCaptureDevice.SelectedIndex = selectedIndex;
return(true);
}
else
{
boxCaptureDevice.Enabled = false;
boxCaptureDevice.Items.Clear();
return(false);
}
}
private void BoxCaptureDevice_SelectedIndexChanged(object sender, EventArgs e)
{
Scanner.Stop();
retry:
var videoDevices = new FilterInfoCollection(FilterCategory.VideoInputDevice);
var matches = videoDevices.Where(v => v.Name == BoxCaptureDevice.Text);
if (matches.Count() > 0)
{
var match = matches.First();
Scanner.SetVideoSource(match.MonikerString);
lblCaptureDevice.Text = "Capture Device - " + Scanner.VideoGeometry.ToString();
Properties.Settings.Default.VideoDevice = BoxCaptureDevice.Text;
Properties.Settings.Default.Save();
}
else
{
lblCaptureDevice.Text = "Capture Device";
DialogResult dr = MessageBox.Show(
"Selected video capture device cannont be found. Has it been unplugged?",
"Error",
MessageBoxButtons.RetryCancel,
MessageBoxIcon.Error
);
if (dr == DialogResult.Retry)
{
goto retry;
}
else
{
FillBoxCaptureDevice();
}
}
TryStart();
}
