public static VTStatus ToCGImage(this CVPixelBuffer pixelBuffer, out CGImage?image)
{
if (pixelBuffer is null)
{
throw new ArgumentNullException(nameof(pixelBuffer));
}
var ret = VTCreateCGImageFromCVPixelBuffer(pixelBuffer.GetCheckedHandle(),
IntPtr.Zero, // no options as of 9.0/10.11 - always pass NULL
out var imagePtr);
image = Runtime.GetINativeObject <CGImage> (imagePtr, true); // This is already retained CM_RETURNS_RETAINED_PARAMETER
return(ret);
}