+ std::list<DCPTimePeriod> reels () const;
+ std::list<int> mapped_audio_channels () const;
+
+ /** @param A period within the DCP
+ * @return Name of the content which most contributes to the given period.
+ */
+ std::string content_summary (DCPTimePeriod period) const;
+
+ std::list<std::string> fix_conflicting_settings ();
+