+ AVDictionary *options = NULL;
+ if (avctx->protocol_whitelist && (ret = av_dict_set(&options, "protocol_whitelist", avctx->protocol_whitelist, 0)) < 0)
+ goto end;
+ ret = avio_open2(&avio, lavfi->graph_filename, AVIO_FLAG_READ, &avctx->interrupt_callback, &options);
+ av_dict_set(&options, "protocol_whitelist", NULL, 0);