COLOR_MODE_BT601   84 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   85 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   86 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  355 libavfilter/vf_colormatrix.c         case AVCOL_SPC_BT470BG   : source = COLOR_MODE_BT601     ; break;
COLOR_MODE_BT601  356 libavfilter/vf_colormatrix.c         case AVCOL_SPC_SMPTE170M : source = COLOR_MODE_BT601     ; break;
COLOR_MODE_BT601  370 libavfilter/vf_colormatrix.c     case COLOR_MODE_BT601    : av_frame_set_colorspace(out, AVCOL_SPC_BT470BG)  ; break;