VST report audioMasterPinConnected according to Pin Management
[ardour.git] / libs / ardour / midi_playlist.cc
index c0badf7a0ddc839cf345fbacab51214cc87e0293..7adbe70ff3d4cde1a43e47397cb78d8a73216db6 100644 (file)
@@ -24,6 +24,7 @@
 #include <utility>
 
 #include "evoral/EventList.hpp"
+#include "evoral/Control.hpp"
 
 #include "ardour/beats_frames_converter.h"
 #include "ardour/debug.h"
@@ -377,7 +378,9 @@ MidiPlaylist::contained_automation()
 
                for (Automatable::Controls::iterator c = mr->model()->controls().begin();
                                c != mr->model()->controls().end(); ++c) {
-                       ret.insert(c->first);
+                       if (c->second->list()->size() > 0) {
+                               ret.insert(c->first);
+                       }
                }
        }