audio-engine use internal API to stop

emit signal(s) when engine is stopped due to backend
change.

diff --git a/libs/ardour/audioengine.cc b/libs/ardour/audioengine.cc
index 9861fcc60882626f1ce7eb9efaf25a1b83fc7326..d318ff74fbae4fa1b9b30c23f541cecf967ba3e0 100644 (file)
--- a/libs/ardour/audioengine.cc
+++ b/libs/ardour/audioengine.cc
@@ -738,7 +738,7 @@ void
 AudioEngine::drop_backend ()
 {
        if (_backend) {
-               _backend->stop ();
+               stop(false);
                _backend->drop_device ();
                _backend.reset ();
                _running = false;