static Panner* factory (boost::shared_ptr<Pannable>, boost::shared_ptr<Speakers>);
std::string describe_parameter (Evoral::Parameter);
- std::string value_as_string (boost::shared_ptr<AutomationControl>) const;
+ std::string value_as_string (boost::shared_ptr<const AutomationControl>) const;
XMLNode& get_state ();