+
+ void set_reference_video (bool r);
+
+ bool reference_video () const {
+ boost::mutex::scoped_lock lm (_mutex);
+ return _reference_video;
+ }
+
+ bool can_reference_video (std::list<std::string> &) const;
+
+ void set_reference_audio (bool r);
+
+ bool reference_audio () const {
+ boost::mutex::scoped_lock lm (_mutex);
+ return _reference_audio;
+ }
+
+ bool can_reference_audio (std::list<std::string> &) const;
+
+ void set_reference_subtitle (bool r);
+
+ bool reference_subtitle () const {
+ boost::mutex::scoped_lock lm (_mutex);
+ return _reference_subtitle;
+ }
+
+ bool can_reference_subtitle (std::list<std::string> &) const;
+