+ bool has_image_subtitles () const {
+ return false;
+ }
+
+ double subtitle_video_frame_rate () const {
+ return video_frame_rate ();
+ }
+
+ boost::filesystem::path directory () const;
+
+ bool encrypted () const {
+ boost::mutex::scoped_lock lm (_mutex);
+ return _encrypted;
+ }
+
+ void add_kdm (dcp::EncryptedKDM);
+
+ boost::optional<dcp::EncryptedKDM> kdm () const {
+ return _kdm;
+ }
+
+ bool can_be_played () const;
+
+ void set_reference_video (bool r);
+
+ bool reference_video () const {
+ boost::mutex::scoped_lock lm (_mutex);
+ return _reference_video;
+ }
+
+ void set_reference_audio (bool r);
+
+ bool reference_audio () const {
+ boost::mutex::scoped_lock lm (_mutex);
+ return _reference_audio;
+ }
+
+ void set_reference_subtitle (bool r);
+
+ bool reference_subtitle () const {
+ boost::mutex::scoped_lock lm (_mutex);
+ return _reference_subtitle;
+ }
+
+protected:
+ void add_properties (std::list<std::pair<std::string, std::string> >& p) const;
+