- afi->seconds_total = aac_set_chunk_tv(afi, &mp4ASC);
- ret = aac_find_entry_point(map + skip, numbytes - skip, &skip);
+ ret = aac_set_chunk_tv(afi, &mp4ASC, &afi->seconds_total);
+ if (ret < 0)
+ goto out;
+ ret = aac_find_entry_point(umap + skip, numbytes - skip, &skip);