protected:
void actually_set_value (double, PBD::Controllable::GroupControlDisposition group_override);
- void master_changed (bool from_self, GroupControlDisposition, boost::shared_ptr<AutomationControl> m);
+ void master_changed (bool from_self, GroupControlDisposition, boost::weak_ptr<AutomationControl> m);
void pre_remove_master (boost::shared_ptr<AutomationControl>);
void post_add_master (boost::shared_ptr<AutomationControl>);