void write (PlayerText text, TextType type, boost::optional<DCPTextTrack>, dcpomatic::DCPTimePeriod period);
void write (std::vector<dcpomatic::FontData> fonts);
void write (ReferencedReelAsset asset);
void write (PlayerText text, TextType type, boost::optional<DCPTextTrack>, dcpomatic::DCPTimePeriod period);
void write (std::vector<dcpomatic::FontData> fonts);
void write (ReferencedReelAsset asset);