+ void set_ratio (Ratio const *);
+
+ Ratio const * ratio () const {
+ boost::mutex::scoped_lock lm (_mutex);
+ return _ratio;
+ }
+
+ ColourConversion colour_conversion () const {
+ boost::mutex::scoped_lock lm (_mutex);
+ return _colour_conversion;
+ }
+
+ libdcp::Size video_size_after_3d_split () const;
+