*/
void ff_update_cur_dts(AVFormatContext *s, AVStream *ref_st, int64_t timestamp);
+int ff_find_last_ts(AVFormatContext *s, int stream_index, int64_t *ts, int64_t *pos,
+ int64_t (*read_timestamp)(struct AVFormatContext *, int , int64_t *, int64_t ));
+
/**
* Perform a binary search using read_timestamp().
*