if (wc->http_method)
av_dict_set(&options, "method", wc->http_method, 0);
ret = s->io_open(s, &oc->pb, oc->url, AVIO_FLAG_WRITE, &options);
if (wc->http_method)
av_dict_set(&options, "method", wc->http_method, 0);
ret = s->io_open(s, &oc->pb, oc->url, AVIO_FLAG_WRITE, &options);