SHELLAC_NOISE     153 libavfilter/af_afftdn.c     {  "s", "shellac noise",              0,                       AV_OPT_TYPE_CONST,  {.i64 = SHELLAC_NOISE}, 0,  0, AF, "type" },
SHELLAC_NOISE     693 libavfilter/af_afftdn.c         case SHELLAC_NOISE: