add slaved_to() and slaved() methods to VCA

2 files changed, 27 insertions, 0 deletions

diff --git a/libs/ardour/ardour/vca.h b/libs/ardour/ardour/vca.h
index d4ee69b702..2814cb68b4 100644
--- a/libs/ardour/ardour/vca.h
+++ b/libs/ardour/ardour/vca.h
@@ -60,6 +60,11 @@ class LIBARDOUR_API VCA : public Stripable,
 	XMLNode& get_state();
 	int set_state (XMLNode const&, int version);
 
+	/* Slavable API */
+
+        bool slaved_to (boost::shared_ptr<VCA>) const;
+        bool slaved () const;
+
 	/* Soloable API */
 
 	void clear_all_solo_state ();
diff --git a/libs/ardour/vca.cc b/libs/ardour/vca.cc
index d3c614debf..87853f7850 100644
--- a/libs/ardour/vca.cc
+++ b/libs/ardour/vca.cc
@@ -172,3 +172,25 @@ VCA::monitoring_state () const
 	/* XXX this has to get more complex but not clear how */
 	return MonitoringInput;
 }
+
+bool
+VCA::slaved () const
+{
+	if (!_gain_control) {
+		return false;
+	}
+	/* just test one particular control, not all of them */
+	return _gain_control->slaved ();
+}
+
+bool
+VCA::slaved_to (boost::shared_ptr<VCA> vca) const
+{
+	if (!vca || !_gain_control) {
+		return false;
+	}
+
+	/* just test one particular control, not all of them */
+
+	return _gain_control->slaved_to (vca->gain_control());
+}