add new Route API ::master_send_enable_controllable() to provide generic access to a mixbus-centric control

1 files changed, 8 insertions, 0 deletions

diff --git a/libs/ardour/ardour/route.h b/libs/ardour/ardour/route.h
index edad4fd266..44069462d1 100644
--- a/libs/ardour/ardour/route.h
+++ b/libs/ardour/ardour/route.h
@@ -567,6 +567,14 @@ class LIBARDOUR_API Route : public SessionObject, public Automatable, public Rou
          */
         std::string send_name (uint32_t n) const;
 
+        /* well known control that enables/disables sending to the master bus.
+         *
+         * In Ardour, this returns null.
+         * In Mixbus, it will return a suitable control, or null depending on
+         * the route.
+         */
+        boost::shared_ptr<AutomationControl> master_send_enable_controllable () const;
+
         void protect_automation ();
 
 	enum {