void InitializeMotionDetection(int cameraindex)
{
Thread thread = new Thread(() =>
{
try
{
ReleasePreviousDetectors();
WebcamManager.SetPropertyValueManual(cameraindex, WebcamManager.CAMERA_PROPERTY.CAMERA_FOCUS, camerafocus);
WebcamManager.SetPropertyValueManual(cameraindex, WebcamManager.CAMERA_PROPERTY.CAMERA_ZOOM, camerazoom);
motionDetector = new WebCamMotionDetector();
motionDetector.ToggleVisualization();
motionDetector.RegisterForImages(WebcamManager.GetCamera(cameraindex));
motionDetector.SelectedCameraIndex = cameraindex;
motionDetector.MotionAreaPercentageSensitivity = percentageSensitivity;
motionDetector.TimeSensitivity = timeThreshold;
motionDetector.RoiX = roiX;
motionDetector.RoiY = roiY;
motionDetector.RoiWidth = roiWidth;
motionDetector.RoiHeight = roiHeight;
motionDetector.MotionDiffSensitivity = differenceThreshold;
motionDetector.MotionDetected += WebCamMotionDetected;
}
catch (Exception err)
{
MessageBox.Show(err.ToString());
}
});
thread.SetApartmentState(ApartmentState.STA);
thread.Start();
}
protected void ReleasePreviousDetectors()
{
if (motionDetector != null && selectedCameraIndex != -1)
{
for (int i = 0; i < motionDetector.SubscribedImagers.Count; i++)
{
motionDetector.UnregisterForImages(motionDetector.SubscribedImagers[i]);
}
motionDetector.Clear();
motionDetector = null;
}
}
