+const demux_index_entry_t *oggseek_theora_index_entry_add ( logical_stream_t *,
+ int64_t i_granule,
+ int64_t i_pagepos );
+
void oggseek_index_entries_free ( demux_index_entry_t * );
int64_t oggseek_get_last_frame ( demux_t *, logical_stream_t *);
int oggseek_find_frame ( demux_t *, logical_stream_t *, int64_t i_tframe );
+int64_t oggseek_read_page ( demux_t * );