From 7eab4c6f339777a0e5bd202ff851bdce466cb183 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Thu, 18 Dec 2014 04:03:39 -0500
Subject: Don't assume compiler can avoid copy to const ref.

---
 libs/ardour/midi_stretch.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'libs/ardour/midi_stretch.cc')

diff --git a/libs/ardour/midi_stretch.cc b/libs/ardour/midi_stretch.cc
index 0e75cdca1d..05635600d7 100644
--- a/libs/ardour/midi_stretch.cc
+++ b/libs/ardour/midi_stretch.cc
@@ -76,7 +76,10 @@ MidiStretch::run (boost::shared_ptr<Region> r, Progress*)
 		return -1;
 
 	boost::shared_ptr<MidiSource> src = region->midi_source(0);
-	src->load_model(Glib::Threads::Mutex::Lock(src->mutex()));
+	{
+		Source::Lock lock(src->mutex());
+		src->load_model(lock);
+	}
 
 	boost::shared_ptr<MidiModel> old_model = src->model();
 
-- 
cgit v1.2.3