Fix restoration of MementoCommand<Crossfade>. Fixes #3418.

git-svn-id: svn://localhost/ardour2/branches/3.0@7771 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 23 insertions, 0 deletions

diff --git a/libs/ardour/session_playlists.cc b/libs/ardour/session_playlists.cc
index 38c6744d06..b54faba97e 100644
--- a/libs/ardour/session_playlists.cc
+++ b/libs/ardour/session_playlists.cc
@@ -390,3 +390,26 @@ SessionPlaylists::XMLPlaylistFactory (Session& session, const XMLNode& node)
 	}
 }
 
+boost::shared_ptr<Crossfade>
+SessionPlaylists::find_crossfade (const PBD::ID& id)
+{
+	Glib::Mutex::Lock lm (lock);
+
+	boost::shared_ptr<Crossfade> c;
+	
+	for (List::iterator i = playlists.begin(); i != playlists.end(); ++i) {
+		c = (*i)->find_crossfade (id);
+		if (c) {
+			return c;
+		}
+	}
+
+	for (List::iterator i = unused_playlists.begin(); i != unused_playlists.end(); ++i) {
+		c = (*i)->find_crossfade (id);
+		if (c) {
+			return c;
+		}
+	}
+
+	return boost::shared_ptr<Crossfade> ();
+}