goto end;
av_bprint_init(&graph_file_pb, 0, AV_BPRINT_SIZE_UNLIMITED);
ret = avio_read_to_bprint(avio, &graph_file_pb, INT_MAX);
- avio_close(avio);
+ avio_closep(&avio);
av_bprint_chars(&graph_file_pb, '\0', 1);
if (!ret && !av_bprint_is_complete(&graph_file_pb))
ret = AVERROR(ENOMEM);