Find Hidden Code Risks

int av_opt_set(void *obj, const char *name, const char *val, int search_flags)
{
    if (!obj || !name || !val) return -1;
    
    // Get the AVClass from the object
    const AVClass *class = *(const AVClass **)obj;
    if (!class) return -1;
    
    // Find the option by name
    const AVOption *o = av_opt_find(obj, name, NULL, 0, search_flags);
    if (!o) return -1;
    
    // Check if the option is readonly
    if (o->flags & AV_OPT_FLAG_READONLY) return -1;
    
    // Set the value based on type
    if (o->type == AV_OPT_TYPE_STRING) {
        return set_string_option(obj, o, val);
    } else if (o->type == AV_OPT_TYPE_INT) {
        return set_int_option(obj, o, atoi(val));
    }
    
    return 0;
}