Function opt_find

fftools/cmdutils.c:589–596

}

static const AVOption *opt_find(void *obj, const char *name, const char *unit,
                            int opt_flags, int search_flags)
{
    const AVOption *o = av_opt_find(obj, name, unit, opt_flags, search_flags);
    if(o && !o->flags)
        return NULL;
    return o;
}

#define FLAGS ((o->type == AV_OPT_TYPE_FLAGS && (arg[0]=='-' || arg[0]=='+')) ? AV_DICT_APPEND : 0)
int opt_default(void *optctx, const char *opt, const char *arg)