X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fautomation_control.cc;h=a1611337fd78f07262a7f272080c8b10289845de;hb=6be56d78b199452e5dba726f2d7aaab2777d2b49;hp=1460c42c7bd75420089b5f37c21657a5cf810e97;hpb=74933f58659051f6d4ef52d1103b2b7ba4643883;p=ardour.git

diff --git a/libs/ardour/automation_control.cc b/libs/ardour/automation_control.cc
index 1460c42c7b..a1611337fd 100644
--- a/libs/ardour/automation_control.cc
+++ b/libs/ardour/automation_control.cc
@@ -34,28 +34,34 @@ AutomationControl::AutomationControl(
 		const Evoral::Parameter& parameter,
 		boost::shared_ptr<ARDOUR::AutomationList> list,
 		const string& name)
-	: Controllable((name != "") ? name : EventTypeMap::instance().to_symbol(parameter))
+	: Controllable (name.empty() ? EventTypeMap::instance().to_symbol(parameter) : name)
 	, Evoral::Control(parameter, list)
 	, _session(session)
 {
 }
 
-
-float
+double
 AutomationControl::get_value() const
 {
 	bool from_list = _list && ((AutomationList*)_list.get())->automation_playback();
-	return Control::get_float(from_list, _session.transport_frame());
+	return Control::get_double (from_list, _session.transport_frame());
 }
 
-
 void
-AutomationControl::set_value(float value)
+AutomationControl::set_value(double value)
 {
 	bool to_list = _list && _session.transport_stopped()
 		&& ((AutomationList*)_list.get())->automation_write();
+ 
+        if (to_list && parameter().toggled()) {
+
+                // store the previous value just before this so any 
+                // interpolation works right
+                
+                _list->add (get_double(), _session.transport_frame()-1);
+        }
 
-	Control::set_float(value, to_list, _session.transport_frame());
+	Control::set_double (value, to_list, _session.transport_frame());
 
 	Changed(); /* EMIT SIGNAL */
 }