FFMpegCore/FFMpegCore/FFMpeg/Arguments/CropArgument.cs

using System.Drawing;

namespace FFMpegCore.Arguments
{
    public class CropArgument : IArgument
    {
        public readonly Size? Size;
        public readonly int Top;
        public readonly int Left;

        public CropArgument(Size? size, int top, int left)
        {
            Size = size;
            Top = top;
            Left = left;
        }

        public CropArgument(int width, int height, int top, int left) : this(new Size(width, height), top, left) { }

        public string Text => Size == null ? string.Empty : $"-vf crop={Size.Value.Width}:{Size.Value.Height}:{Left}:{Top}";
    }
}