+ bool seek_overrun_finished (ContentTime, boost::optional<ContentTime>, boost::optional<ContentTime>) const;
+ bool seek_final_finished (int, int) const;
+ int minimal_run (boost::function<bool (boost::optional<ContentTime>, boost::optional<ContentTime>, int)>);
+ void seek_and_flush (ContentTime);
+
+ boost::shared_ptr<Log> _log;