private void AddWebcameras()
{
try
{
List <string> monikers = new List <string>();
var loaclWebCamsCollection = new FilterInfoCollection(FilterCategory.VideoInputDevice);
foreach (Accord.Video.DirectShow.FilterInfo localcamera in loaclWebCamsCollection)
{
monikers.Add(localcamera.MonikerString);
bool added = false;
foreach (ICameraDevice device in ConnectedDevices)
{
WebCameraDevice webCamera = device as WebCameraDevice;
if (webCamera != null)
{
if (webCamera.PortName == localcamera.MonikerString)
{
added = true;
}
}
}
if (added)
{
continue;
}
WebCameraDevice camera = new WebCameraDevice();
camera.Init(localcamera.MonikerString);
camera.DeviceName = localcamera.Name;
camera.SerialNumber = localcamera.MonikerString;
ConnectedDevices.Add(camera);
SelectedCameraDevice = camera;
camera.PhotoCaptured += cameraDevice_PhotoCaptured;
camera.CameraDisconnected += cameraDevice_CameraDisconnected;
CameraConnected?.Invoke(camera);
}
//List<WebCameraDevice> devicesToDisconnect = ConnectedDevices.OfType<WebCameraDevice>()
// .Where(webCamera => !monikers.Contains(webCamera.PortName))
// .ToList();
//foreach (var webCamera in devicesToDisconnect)
//{
// cameraDevice_CameraDisconnected(webCamera, new DisconnectCameraEventArgs() { });
//}
}
catch (Exception ex)
{
Log.Error("Unable to connect to a webcamera", ex);
}
}
private void OnCameraConnected()
{
CameraConnected?.Invoke(this, EventArgs.Empty);
}
public static extern IntPtr CreateCamera(string name, RegionOfInterest roi,
FrameArrived frameArrived, CameraConnected connected, CameraDisconnected disconnected);
void RaiseCameraConnectedEvent(bool connected)
{
CameraConnected?.Invoke(connected);
}
