From f2ba861f050ec87a046ed7c078ab08a5c75c351e Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Thu, 27 Oct 2011 21:01:46 +0000
Subject: [PATCH] stop leakage of Crossfades caused by CrossfadeView's being
 left dangling when AudioStreamView is deleted

git-svn-id: svn://localhost/ardour2/branches/3.0@10318 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 gtk2_ardour/audio_streamview.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gtk2_ardour/audio_streamview.cc b/gtk2_ardour/audio_streamview.cc
index 1dda45fdce..51be8f44b8 100644
--- a/gtk2_ardour/audio_streamview.cc
+++ b/gtk2_ardour/audio_streamview.cc
@@ -70,6 +70,9 @@ AudioStreamView::AudioStreamView (AudioTimeAxisView& tv)
 
 AudioStreamView::~AudioStreamView ()
 {
+	for (CrossfadeViewList::iterator xi = crossfade_views.begin(); xi != crossfade_views.end(); ++xi) {
+		delete xi->second;
+	}
 }
 
 int
@@ -334,6 +337,7 @@ AudioStreamView::add_crossfade (boost::weak_ptr<Crossfade> wc)
 					       *lview, *rview);
 	cv->set_valid (true);
 	crossfade->Invalidated.connect (*this, invalidator (*this), ui_bind (&AudioStreamView::remove_crossfade, this, _1), gui_context());
+	crossfade->DropReferences.connect (*this, invalidator (*this), ui_bind (&AudioStreamView::remove_crossfade, this, crossfade), gui_context());
 	crossfade_views[cv->crossfade] = cv;
 	if (!crossfades_visible) {
 		cv->hide ();