Function av_opt_set

libavutil/opt.c:835–847

}

int av_opt_set(void *obj, const char *name, const char *val, int search_flags)
{
    void *dst, *target_obj;
    const AVOption *o;
    int ret;

    ret = opt_set_init(obj, name, search_flags, 0, &target_obj, &o, &dst);
    if (ret < 0)
        return ret;

    return ((o->type & AV_OPT_TYPE_FLAG_ARRAY) ?
            opt_set_array : opt_set_elem)(obj, target_obj, o, val, dst);
}

#define OPT_EVAL_NUMBER(name, opttype, vartype)                         \
int av_opt_eval_ ## name(void *obj, const AVOption *o,                  \