///<summary> Create a capture using the specific camera</summary>
///<param name="camIndex"> The index of the camera to create capture from, starting from 0</param>
private CapturePi(int camIndex)
{
try
{
CvInvoke.CheckLibraryLoaded();
}
catch (Exception e)
{
if (Environment.OSVersion.Platform == PlatformID.Unix)
{
Log.Fatal(m => m("Failed to load OpenCV libraries. Did you copy emguCV binaries from Windows to Linux? You must use Linux compiled emguCV binaries."), e);
}
throw;
}
_captureModuleType = CaptureModuleType.Camera;
try
{
_ptr = CvInvokeRaspiCamCV.cvCreateCameraCapture(camIndex);
}
catch (DllNotFoundException e)
{
Log.Fatal("Are you running with the solution configuration matched to the right OS?", e);
throw;
}
if (_ptr == IntPtr.Zero)
{
throw new NullReferenceException(String.Format("Error: Unable to create capture from camera {0}", camIndex));
}
}
private void InitCapture(int camIndex, PiCameraConfig config)
{
try
{
if (config.Width == 0)
{
_ptr = CvInvokeRaspiCamCV.cvCreateCameraCapture(camIndex);
}
else
{
Log.InfoFormat("Requesting capture config {0}", config);
_ptr = CvInvokeRaspiCamCV.cvCreateCameraCapture2(camIndex, ref config);
}
}
catch (DllNotFoundException e)
{
Log.Fatal("Are you running with the solution configuration matched to the right OS? or missing libraspicamcv.so?", e);
throw;
}
if (_ptr == IntPtr.Zero)
{
throw new NullReferenceException($"Error: Unable to create capture from camera #{camIndex}");
}
}
