BDInfo.TSPlaylistFile.CompareVideoStreams C# (CSharp) Method

        public static int CompareVideoStreams(
            TSVideoStream x, 
            TSVideoStream y)
        {
            if (x == null && y == null)
            {
                return 0;
            }
            else if (x == null && y != null)
            {
                return 1;
            }
            else if (x != null && y == null)
            {
                return -1;
            }
            else
            {
                if (x.Height > y.Height)
                {
                    return -1;
                }
                else if (y.Height > x.Height)
                {
                    return 1;
                }
                else if (x.PID > y.PID)
                {
                    return 1;
                }
                else if (y.PID > x.PID)
                {
                    return -1;
                }
                else
                {
                    return 0;
                }
            }
        }