a more nuanced version of the "do-not-automatically-disconnect-selection-follows-input

1 files changed, 12 insertions, 0 deletions

diff --git a/libs/ardour/session_midi.cc b/libs/ardour/session_midi.cc
index 4d1653b7f7..18ee55408c 100644
--- a/libs/ardour/session_midi.cc
+++ b/libs/ardour/session_midi.cc
@@ -756,6 +756,18 @@ Session::rewire_selected_midi (boost::shared_ptr<MidiTrack> new_midi_target)
 		}
 
 		for (vector<string>::const_iterator p = msp.begin(); p != msp.end(); ++p) {
+			PortManager::MidiPortInformation mpi (AudioEngine::instance()->midi_port_information (*p));
+
+			/* if a port is marked for control data, do not
+			 * disconnect it from everything since it may also be
+			 * used via a control surface or some other
+			 * functionality.
+			 */
+
+			if (!(mpi.properties & MidiPortControl)) {
+				/* disconnect the port from everything */
+				AudioEngine::instance()->disconnect (*p);
+			}
 			/* connect it to the new target */
 			new_midi_target->input()->connect (new_midi_target->input()->nth(0), (*p), this);
 		}