std::list<PlayerText> get_burnt (dcpomatic::DCPTimePeriod period, bool always_burn_captions) const;
void clear_before (dcpomatic::DCPTime time);
void clear ();
std::list<PlayerText> get_burnt (dcpomatic::DCPTimePeriod period, bool always_burn_captions) const;
void clear_before (dcpomatic::DCPTime time);
void clear ();