an automation control that has to do things before its value is set in an RT context should potentially tell its ControlGroup

This fixes record-enable controls in a group failing generate
a call to the required stuff for tracks (moving meter position,
preparing diskstream) #7213

1 files changed, 10 insertions, 0 deletions

diff --git a/libs/ardour/control_group.cc b/libs/ardour/control_group.cc
index 51a1515c6a..5f65122a3d 100644
--- a/libs/ardour/control_group.cc
+++ b/libs/ardour/control_group.cc
@@ -153,6 +153,16 @@ ControlGroup::add_control (boost::shared_ptr<AutomationControl> ac)
 }
 
 void
+ControlGroup::pre_realtime_queue_stuff (double val)
+{
+	Glib::Threads::RWLock::ReaderLock lm (controls_lock);
+
+	for (ControlMap::iterator c = _controls.begin(); c != _controls.end(); ++c) {
+		c->second->do_pre_realtime_queue_stuff (val);
+	}
+}
+
+void
 ControlGroup::set_group_value (boost::shared_ptr<AutomationControl> control, double val)
 {
 	double old = control->get_value ();