public static void YCbCr420ToBGR(NPPImage_8uC1 src0, NPPImage_8uC1 src1, NPPImage_8uC1 src2, NPPImage_8uC3 dest)
{
CUdeviceptr[] arraySrc = new CUdeviceptr[] { src0.DevicePointerRoi, src1.DevicePointerRoi, src2.DevicePointerRoi };
int[] arrayPitch = new int[] { src0.Pitch, src1.Pitch, src2.Pitch };
NppStatus status = NPPNativeMethods.NPPi.YCbCrToBGR.nppiYCbCr420ToBGR_8u_P3C3R(arraySrc, arrayPitch, dest.DevicePointerRoi, dest.Pitch, src0.SizeRoi);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiYCbCr420ToBGR_8u_P3C3R", status));
NPPException.CheckNppStatus(status, null);
}