PRESET_LIGHTER     91 libavfilter/vf_curves.c         { "lighter",            NULL, 0, AV_OPT_TYPE_CONST, {.i64=PRESET_LIGHTER},              INT_MIN, INT_MAX, FLAGS, "preset_name" },
PRESET_LIGHTER    131 libavfilter/vf_curves.c     [PRESET_LIGHTER]            = { .master = "0/0 0.4/0.5 1/1" },