#include <utility>
#include "evoral/EventList.hpp"
+#include "evoral/Control.hpp"
#include "ardour/beats_frames_converter.h"
#include "ardour/debug.h"
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);
+ }
}
}