public static bool SetPropertyValueAuto(int cameraindex, CAMERA_PROPERTY prop)
{
int numberCameras = WebcamManager.NumberConnectedCameras();
if (cameraindex > -1 && cameraindex < numberCameras)
{
return(DllImport.SetPropertyValueAuto(cameraindex, Convert.ToInt32(prop)));
}
return(false);
}
public static bool GetMaxPropertyValue(int cameraindex, CAMERA_PROPERTY prop, ref long val)
{
int numberCameras = WebcamManager.NumberConnectedCameras();
if (cameraindex > -1 && cameraindex < numberCameras)
{
return(DllImport.GetMaxPropertyValue(cameraindex, Convert.ToInt32(prop), ref val));
}
return(false);
}
public bool ConfigureCamera()
{
if (_index > -1 && _index < DllImport.GetNumberOfConnectedWebCams() && _isavailable)
{
return(DllImport.ConfigureCameraProperties(_index));
}
else
{
return(false);
}
}
void RunWorker()
{
while (!stopSignal.WaitOne(0, true))
{
//1. get the byte buffer from the webcam
if (DllImport.GrabFrameWebcam(_index, rawBuffer, _width, _height))
{
// signal that the mapped video memory is ready with a new buffer, causing the 'Source' to refresh with the new buffer...
OnBitmapReady(this, null);
Thread.Sleep(30); //increasing this will reduce the CPU load... reducing this is not recommended, as buffers will overlap
}
}
}
public static void ReleaseInactiveCameras()
{
int numberCameras = WebcamManager.NumberConnectedCameras();
for (int i = 0; i < numberCameras; i++)
{
WebCam camera = WebcamManager.GetCamera(i);
if (camera.Subscribers.Count == 0)
{
camera.Stop();
DllImport.StopWebCam(camera.WebCamID);
}
}
}
public static void StopCamera(int index)
{
int numberCameras = WebcamManager.NumberConnectedCameras();
if (index > -1 && index < numberCameras)
{
WebCam camera = WebcamManager.GetCamera(index);
for (int i = 0; i < camera.Subscribers.Count; i++)
{
ImageListenerBase l = camera.Subscribers[i];
l.UnregisterForImages(camera);
}
camera.Subscribers.Clear();
camera.Stop();
DllImport.StopWebCam(camera.WebCamID);
}
}
private static void UpdateCameraList()
{
DllImport.RefreshWebcams();
_numdetectedCameras = DllImport.GetNumberOfConnectedWebCams();
_detectedCameras = new List <WebCam>();
_availableFlags = new List <bool>();
for (int i = 0; i < _numdetectedCameras; i++)
{
string cameraName = System.Runtime.InteropServices.Marshal.PtrToStringAnsi(DllImport.GetWebCamName(i));
string cameraPath = System.Runtime.InteropServices.Marshal.PtrToStringAnsi(DllImport.GetWebCamPath(i));
bool isAvailable = DllImport.IsWebCamAvailable(i);
WebCam camera = new WebCam(cameraName, cameraPath, i, isAvailable);
_detectedCameras.Add(camera);
_availableFlags.Add(isAvailable);
}
}
public static bool IsServiceRestartRequired()
{
return(DllImport.IsAnyCameraConnectedOrDisconnected() || NumberConnectedCameras() == 0);
}
