Comment.

git-svn-id: svn://localhost/ardour2/branches/3.0@7893 d708f5d6-7413-0410-9779-e7cbd77b26cf

libs/ardour/ardour/beats_frames_converter.h

@@ -29,6 +29,9 @@ namespace ARDOUR {
 
 class TempoMap;
 
+/** Converter between beats and frames.  Takes `distances' in beats or frames
+ *  and converts them using the tempo at the \a origin supplied to the constructor.
+ */
 class BeatsFramesConverter : public Evoral::TimeConverter<double,framepos_t> {
 public:
 	BeatsFramesConverter(const TempoMap& tempo_map, framepos_t origin)