protected int LookforSelectedCamera(bool force = false)
{
bool selectedCameraFound = false;
selectedCameraConnected = false;
if (!IsEnabled && !force)
{
return(-1);
}
int numberConnectedCameras = WebcamManager.NumberConnectedCameras();
if (numberConnectedCameras == 0)
{
selectedCameraConnected = false;
Logger.WriteLine("No camera available");
ErrorLog.AddError(ErrorType.Failure, "Motion detection is disabled because no camera was detected");
return(-1);
}
int index = -1;
if (selectedCameraPath == default(string))
{
ErrorLog.AddError(ErrorType.Message, "No webcam configuration. Defaulting to first available webcam.");
return(-1);
}
else
{
for (int i = 0; i < numberConnectedCameras; i++)
{
if (WebcamManager.GetCamera(i).WebCamPath == selectedCameraPath)
{
if (WebcamManager.GetCamera(i).IsActive)
{
index = i;
selectedCameraConnected = true;
selectedCameraFound = true;
break;
}
else if (WebcamManager.StartCamera(i, captureWidth, captureHeight))
{
index = i;
selectedCameraConnected = true;
selectedCameraFound = true;
break;
}
}
}
if (!selectedCameraFound && numberConnectedCameras > 0)
{
ErrorLog.AddError(ErrorType.Failure, "The originally selected camera is not available.");
}
return(index);
}
}
private void UpdatePanel()
{
if (WebcamManager.IsServiceRestartRequired())
{
WebcamManager.RestartService();
}
if (!callbacksRegistered)
{
WebcamManager.RegisterWebcamConnectionEvent(OnCameraConnected);
WebcamManager.RegisterWebcamRemovalEvent(OnCameraDisconnected);
callbacksRegistered = true;
}
numberConnectedCameras = WebcamManager.NumberConnectedCameras();
cameraList = new List <int>();
selectedCameraIndex = -1;
int numAvailableCameras = 0;
cameraPreviews.Clear(); //remove previous viewers
//populate the camera list and find the one that is available and set it as current selection...
if (numberConnectedCameras == 0)
{
ShowNoCamerasFoundPanel();
return;
}
for (int i = 0; i < numberConnectedCameras; i++)
{
//if (WebcamManager.StartCamera(i, captureWidth, captureHeight))
{
ImageViewer viewer = new ImageViewer();
viewer.ViewerWidth = previewWidth;
viewer.ViewerHeight = previewHeight;
viewer.TopTitle = WebcamManager.GetCamera(i).WebCamName;
if (WebcamManager.StartCamera(i, captureWidth, captureHeight))
{
if (viewer.TopTitle == selectedCameraName || selectedCameraIndex == -1)
{
selectedCameraIndex = i;
}
viewer.SetImageSource(WebcamManager.GetCamera(i));
viewer.MouseEnter += Viewer_MouseEnter;
viewer.MouseLeave += Viewer_MouseLeave;
viewer.PreviewMouseLeftButtonUp += Viewer_MouseLeftButtonUp;
++numAvailableCameras;
}
else
{
viewer.ImageSource.Source = loadBitmap(Properties.Resources.CamBusyIcon);
viewer.BottomTitle = "This webcam is already busy";
}
cameraList.Add(i);
cameraPreviews.Add(viewer);
}
}
if (selectedCameraIndex != -1)
{
cameraPreviews[cameraList.IndexOf(selectedCameraIndex)].ViewerBorderColor = "LightGreen";
cameraPreviews[cameraList.IndexOf(selectedCameraIndex)].ViewerWidth = previewHeight + 16;
cameraPreviews[cameraList.IndexOf(selectedCameraIndex)].ViewerHeight = cameraPreviews[cameraList.IndexOf(selectedCameraIndex)].ViewerWidth * 3 / 4;
}
//release inactive cameras so that they can be made available to other processes...
WebcamManager.ReleaseInactiveCameras();
CameraReadiness = true;
}