/// <summary> /// Format a video crop argument for ffmpeg. /// </summary> public static string formatCropArg(string file, ImageSize size, ImageCrop crop) { ImageSize outSize = UtilsVideo.getResolutionToUseWithCrop(file, size, crop); string cropArg = String.Format("crop={0}:{1}:{2}:{3}", outSize.Width - crop.Left - crop.Right, // {0} outSize.Height - crop.Top - crop.Bottom, // {1} crop.Left, // {2} crop.Top); // {3} return(cropArg); }