EXP_NONE          236 libavfilter/vf_drawtext.c         {"none",     "set no expansion",                    OFFSET(exp_mode), AV_OPT_TYPE_CONST, {.i64=EXP_NONE},     0, 0, FLAGS, "expansion"},
EXP_NONE         1317 libavfilter/vf_drawtext.c     case EXP_NONE: