- static std::list<boost::shared_ptr<TextContent> > from_xml (Content* parent, cxml::ConstNodePtr, int version);
+ boost::optional<DCPTextTrack> dcp_track () const {
+ boost::mutex::scoped_lock lm (_mutex);
+ return _dcp_track;
+ }
+
+ boost::optional<dcp::LanguageTag> language () const {
+ boost::mutex::scoped_lock lm (_mutex);
+ return _language;
+ }
+
+ bool language_is_additional () const {
+ boost::mutex::scoped_lock lm (_mutex);
+ return _language_is_additional;
+ }