void disconnect_port (boost::weak_ptr<ARDOUR::Port>);
void connect_port (boost::weak_ptr<ARDOUR::Port>, boost::weak_ptr<ARDOUR::Port>);
uint32_t maybe_add_route_to_input_menu (boost::shared_ptr<ARDOUR::Route>, ARDOUR::DataType, boost::weak_ptr<ARDOUR::Port>);
void disconnect_port (boost::weak_ptr<ARDOUR::Port>);
void connect_port (boost::weak_ptr<ARDOUR::Port>, boost::weak_ptr<ARDOUR::Port>);
uint32_t maybe_add_route_to_input_menu (boost::shared_ptr<ARDOUR::Route>, ARDOUR::DataType, boost::weak_ptr<ARDOUR::Port>);