private Camera()
{
// Check connected device
deviceType = GetConnectedDevice();
// Create camera subclass object, inherits from CameraBase
switch (deviceType)
{
case DeviceTypeEnum.Thorlabs:
camera = new ThorlabCamera(); // needs hwndSource to work, set by this.HwndSource property
break;
case DeviceTypeEnum.PS3Eye:
camera = new PS3Camera();
break;
case DeviceTypeEnum.Kinect:
camera = new KinectCamera();
break;
case DeviceTypeEnum.DirectShow:
camera = new DirectShowCamera();
break;
}
}
private Camera()
{
// Check connected device
deviceType = GetConnectedDevice();
// Create camera subclass object, inherits from CameraBase
switch (deviceType)
{
case DeviceTypeEnum.Thorlabs:
camera = new ThorlabCamera(); // needs hwndSource to work, set by this.HwndSource property
break;
case DeviceTypeEnum.PS3Eye:
camera = new PS3Camera();
break;
case DeviceTypeEnum.Kinect:
camera = new KinectCamera();
break;
case DeviceTypeEnum.DirectShow:
camera = new DirectShowCamera();
break;
}
}
public void SetDirectShowCamera(int newDeviceNumber, int newDeviceMode)
{
try
{
int InstanceDeviceNumber = 0;
int InstanceDeviceMode = 0;
bool initializeNew = true;
DirectShowCamera localCam; // we store new camera here and then transfer it to this.camera on success
// If no device mode was select use default
if (newDeviceMode == -1)
newDeviceMode = 0;
// Get Instance camera and mode
if (camera != null && camera is DirectShowCamera)
{
DirectShowCamera dCam = camera as DirectShowCamera;
// Store Instance mode to reset if new mode fails
InstanceDeviceNumber = dCam.DeviceNumber;
InstanceDeviceMode = dCam.DeviceMode;
// Dont init the same device & mode twice..
if (InstanceDeviceNumber == newDeviceNumber
&& InstanceDeviceMode == newDeviceMode
&& dCam.HasValidGraph)
initializeNew = false;
}
// Specific deviceMode (e.g. 800x600 @ 30fps)
if (camera == null || newDeviceMode > -1)
{
if (initializeNew == true)
{
if (camera != null)
{
camera.Stop();
camera.Cleanup();
}
}
else
{
// No changes, just return
return;
}
}
// Specific configuration
localCam = new DirectShowCamera(
DirectShowDevices.Instance.Cameras[newDeviceNumber].DirectshowDevice,
newDeviceNumber,
newDeviceMode,
DirectShowDevices.Instance.Cameras[newDeviceNumber].SupportedSizesAndFPS[newDeviceMode].FPS,
DirectShowDevices.Instance.Cameras[newDeviceNumber].SupportedSizesAndFPS[newDeviceMode].Width,
DirectShowDevices.Instance.Cameras[newDeviceNumber].SupportedSizesAndFPS[newDeviceMode].Height);
// If last set camera failed, try default mode
if (localCam.HasValidGraph == false) // No specific deviceMode
{
localCam.Cleanup();
localCam = new DirectShowCamera(
DirectShowDevices.Instance.Cameras[newDeviceNumber].DirectshowDevice,
newDeviceNumber,
0,
0,
0,
0);
}
// If this is already occupied by another application and there
// are more than one camera connected, try the next one.
if (localCam.HasValidGraph == false && DirectShowDevices.Instance.Cameras.Count() > 1)
{
localCam.Cleanup();
localCam = new DirectShowCamera(
DirectShowDevices.Instance.Cameras[1].DirectshowDevice, 1, 0, 0, 0, 0);
}
// Finally, if running set this.camera to localCam
if (localCam.HasValidGraph)
{
localCam.IsSupportingROI = false;
// Switch
camera = localCam;
camera.Initialize();
camera.Start();
// Trigger global command, signal that a new camera has been started
// Listners for OnImage event has to re-subscribe
GTCommons.GTCommands.Instance.Camera.CameraChange();
}
else
{
// Failed, start previous camera/mode again
camera.Start();
}
}
catch (Exception ex)
{
//ErrorLogger.ProcessException(ex, false);
}
}
public void SetDirectShowCamera(int newDeviceNumber, int newDeviceMode)
{
try
{
bool initializeNew = true;
DirectShowCamera localCam; // we store new camera here and then transfer it to this.camera on success
// If no device mode was select use default
if (newDeviceMode == -1)
{
newDeviceMode = 0;
}
// Get Instance camera and mode
if (camera != null && camera is DirectShowCamera)
{
var dCam = camera as DirectShowCamera;
// Store Instance mode to reset if new mode fails
var instanceDeviceNumber = dCam.DeviceNumber;
var instanceDeviceMode = dCam.DeviceMode;
// Dont init the same device & mode twice..
if (instanceDeviceNumber == newDeviceNumber &&
instanceDeviceMode == newDeviceMode &&
dCam.HasValidGraph)
{
initializeNew = false;
}
}
// Specific deviceMode (e.g. 800x600 @ 30fps)
if (camera == null || newDeviceMode > -1)
{
if (initializeNew)
{
if (camera != null)
{
camera.Stop();
camera.Cleanup();
}
}
else
{
// No changes, just return
return;
}
}
// Specific configuration
localCam = new DirectShowCamera(
DirectShowDevices.Instance.Cameras[newDeviceNumber].DirectshowDevice,
newDeviceNumber,
newDeviceMode,
DirectShowDevices.Instance.Cameras[newDeviceNumber].SupportedSizesAndFPS[newDeviceMode].FPS,
DirectShowDevices.Instance.Cameras[newDeviceNumber].SupportedSizesAndFPS[newDeviceMode].Width,
DirectShowDevices.Instance.Cameras[newDeviceNumber].SupportedSizesAndFPS[newDeviceMode].Height);
// If last set camera failed, try default mode
if (localCam.HasValidGraph == false) // No specific deviceMode
{
localCam.Cleanup();
localCam = new DirectShowCamera(
DirectShowDevices.Instance.Cameras[newDeviceNumber].DirectshowDevice,
newDeviceNumber,
0,
0,
0,
0);
}
// If this is already occupied by another application and there
// are more than one camera connected, try the next one.
if (localCam.HasValidGraph == false && DirectShowDevices.Instance.Cameras.Count() > 1)
{
localCam.Cleanup();
localCam = new DirectShowCamera(
DirectShowDevices.Instance.Cameras[1].DirectshowDevice, 1, 0, 0, 0, 0);
}
// Finally, if running set this.camera to localCam
if (localCam.HasValidGraph)
{
localCam.IsSupportingROI = false;
// Switch
camera = localCam;
camera.Initialize();
camera.Start();
// Trigger global command, signal that a new camera has been started
// Listners for OnImage event has to re-subscribe
GTCommons.GTCommands.Instance.Camera.CameraChange();
}
else
{
// Failed, start previous camera/mode again
camera.Start();
}
}
catch (Exception)
{
//ErrorLogger.ProcessException(ex, false);
}
}
