add Slavable API for VCA assign/unassign

1 files changed, 27 insertions, 0 deletions

diff --git a/libs/ardour/vca.cc b/libs/ardour/vca.cc
index 0e33dca6e2..2ab84d5570 100644
--- a/libs/ardour/vca.cc
+++ b/libs/ardour/vca.cc
@@ -152,3 +152,30 @@ VCA::clear_all_solo_state ()
 {
 	_solo_control->clear_all_solo_state ();
 }
+
+int
+VCA::assign_controls (boost::shared_ptr<VCA> vca)
+{
+	_gain_control->add_master (vca->gain_control());
+	_solo_control->add_master (vca->solo_control());
+	_mute_control->add_master (vca->mute_control());
+
+	return 0;
+}
+
+int
+VCA::unassign_controls (boost::shared_ptr<VCA> vca)
+{
+	if (!vca) {
+		/* unassign from all */
+		_gain_control->clear_masters ();
+		_solo_control->clear_masters ();
+		_mute_control->clear_masters ();
+	} else {
+		_gain_control->remove_master (vca->gain_control());
+		_solo_control->remove_master (vca->solo_control());
+		_mute_control->remove_master (vca->mute_control());
+	}
+
+	return 0;
+}