COLOR_MODE_BT601   89 libavfilter/vf_colormatrix.c     { "bt601",     "set BT.601 colorspace",      0, AV_OPT_TYPE_CONST, {.i64=COLOR_MODE_BT601},       .flags=FLAGS, .unit="color_mode" },
COLOR_MODE_BT601   90 libavfilter/vf_colormatrix.c     { "bt470",     "set BT.470 colorspace",      0, AV_OPT_TYPE_CONST, {.i64=COLOR_MODE_BT601},       .flags=FLAGS, .unit="color_mode" },
COLOR_MODE_BT601   91 libavfilter/vf_colormatrix.c     { "bt470bg",   "set BT.470 colorspace",      0, AV_OPT_TYPE_CONST, {.i64=COLOR_MODE_BT601},       .flags=FLAGS, .unit="color_mode" },
COLOR_MODE_BT601   92 libavfilter/vf_colormatrix.c     { "smpte170m", "set SMTPE-170M colorspace",  0, AV_OPT_TYPE_CONST, {.i64=COLOR_MODE_BT601},       .flags=FLAGS, .unit="color_mode" },
COLOR_MODE_BT601  445 libavfilter/vf_colormatrix.c         case AVCOL_SPC_BT470BG   : source = COLOR_MODE_BT601     ; break;
COLOR_MODE_BT601  446 libavfilter/vf_colormatrix.c         case AVCOL_SPC_SMPTE170M : source = COLOR_MODE_BT601     ; break;
COLOR_MODE_BT601  462 libavfilter/vf_colormatrix.c     case COLOR_MODE_BT601    : out->colorspace = AVCOL_SPC_BT470BG   ; break;