Add virtual slaved, slaved_to calls to stripable

diff --git a/libs/ardour/ardour/stripable.h b/libs/ardour/ardour/stripable.h
index 5c36b39d310409ac71c805f54e7af31de52b8312..08b2a6bd69a83f4e3283718534d19742e89f1354 100644 (file)
--- a/libs/ardour/ardour/stripable.h
+++ b/libs/ardour/ardour/stripable.h
@@ -121,6 +121,9 @@ class LIBARDOUR_API Stripable : public SessionObject,
        virtual boost::shared_ptr<AutomationControl> rec_enable_control() const { return boost::shared_ptr<AutomationControl>(); }
        virtual boost::shared_ptr<AutomationControl> rec_safe_control() const { return boost::shared_ptr<AutomationControl>(); }
 
+       virtual bool slaved_to (boost::shared_ptr<VCA>) const = 0;
+       virtual bool slaved () const = 0;
+
        /* "well-known" controls for panning. Any or all of these may return
         * null.
         */