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Diffstat (limited to 'libs/ardour/session_midi.cc')
| -rw-r--r-- | libs/ardour/session_midi.cc | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libs/ardour/session_midi.cc b/libs/ardour/session_midi.cc index 639ea399d3..47c7bd4c40 100644 --- a/libs/ardour/session_midi.cc +++ b/libs/ardour/session_midi.cc @@ -597,6 +597,7 @@ Session::send_song_position_pointer (framepos_t) int Session::start_midi_thread () { + if (midi_control_ui) { return 0; } midi_control_ui = new MidiControlUI (*this); midi_control_ui->run (); return 0; |