diff options
Diffstat (limited to 'libs/ardour/midi_region.cc')
| -rw-r--r-- | libs/ardour/midi_region.cc | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/libs/ardour/midi_region.cc b/libs/ardour/midi_region.cc index 03db3eaaa7..cb0d103b1e 100644 --- a/libs/ardour/midi_region.cc +++ b/libs/ardour/midi_region.cc @@ -414,20 +414,13 @@ MidiRegion::model_automation_state_changed (Evoral::Parameter const & p) /* Update our filtered parameters list after a change to a parameter's AutoState */ boost::shared_ptr<AutomationControl> ac = model()->automation_control (p); - assert (ac); - - if (ac->alist()->automation_state() == Play) { + if (!ac || ac->alist()->automation_state() == Play) { + /* It should be "impossible" for ac to be NULL, but if it is, don't + filter the parameter so events aren't lost. */ _filtered_parameters.erase (p); } else { _filtered_parameters.insert (p); } - - /* the source will have an iterator into the model, and that iterator will have been set up - for a given set of filtered_parameters, so now that we've changed that list we must invalidate - the iterator. - */ - Glib::Threads::Mutex::Lock lm (midi_source(0)->mutex()); - midi_source(0)->invalidate (); } /** This is called when a trim drag has resulted in a -ve _start time for this region. |