From 32269f0c5a353eb6449deebcf19ffe0e5792963c Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Wed, 3 Dec 2014 20:44:23 +0100
Subject: fix audio-engine dtor.

backends - once instantiated - keep a reference to the engine.
when audioengine is destroyed, the backends must be deinstantiated.
This fixes various unit-test cases.
---
 libs/ardour/audioengine.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libs/ardour/audioengine.cc b/libs/ardour/audioengine.cc
index b23e9e3e0c..9861fcc608 100644
--- a/libs/ardour/audioengine.cc
+++ b/libs/ardour/audioengine.cc
@@ -101,6 +101,9 @@ AudioEngine::~AudioEngine ()
 	stop_metering_thread ();
 	stop_hw_event_processing();
 	drop_backend ();
+	for (BackendMap::const_iterator i = _backends.begin(); i != _backends.end(); ++i) {
+		i->second->deinstantiate();
+	}
 }
 
 AudioEngine*
-- 
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