AVCOL_TRC_GAMMA22  428 libavcodec/options_table.h {"gamma22",      "BT.470 M",         0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_GAMMA22 },      INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
AVCOL_TRC_GAMMA22   38 libavutil/color_utils.c         case AVCOL_TRC_GAMMA22: