BDInfo.TSPlaylistFile.GetStreamTypeSortIndex C# (CSharp) Метод

        private static int GetStreamTypeSortIndex(TSStreamType streamType)
        {
            switch (streamType)
            {
                case TSStreamType.Unknown:
                    return 0;
                case TSStreamType.MPEG1_VIDEO:
                    return 1;
                case TSStreamType.MPEG2_VIDEO:
                    return 2;
                case TSStreamType.AVC_VIDEO:
                    return 3;
                case TSStreamType.VC1_VIDEO:
                    return 4;

                case TSStreamType.MPEG1_AUDIO:
                    return 1;
                case TSStreamType.MPEG2_AUDIO:
                    return 2;
                case TSStreamType.AC3_PLUS_SECONDARY_AUDIO:
                    return 3;
                case TSStreamType.DTS_HD_SECONDARY_AUDIO:
                    return 4;
                case TSStreamType.AC3_AUDIO:
                    return 5;
                case TSStreamType.DTS_AUDIO:
                    return 6;
                case TSStreamType.AC3_PLUS_AUDIO:
                    return 7;
                case TSStreamType.DTS_HD_AUDIO:
                    return 8;
                case TSStreamType.AC3_TRUE_HD_AUDIO:
                    return 9;
                case TSStreamType.DTS_HD_MASTER_AUDIO:
                    return 10;
                case TSStreamType.LPCM_AUDIO:
                    return 11;

                case TSStreamType.SUBTITLE:
                    return 1;
                case TSStreamType.INTERACTIVE_GRAPHICS:
                    return 2;
                case TSStreamType.PRESENTATION_GRAPHICS:
                    return 3;

                default:
                    return 0;
            }
        }
    }