- /* XXX: do this in signal_changed...? */
- _audio_mapping = AudioMapping (_audio_channels);
- _audio_mapping.make_default ();
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ /* XXX: do this in signal_changed...? */
+ _audio_mapping = AudioMapping (_audio_channels);
+ _audio_mapping.make_default ();
+ }
+