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, 10 insertions, 1 deletions

diff --git a/libs/ardour/session_command.cc b/libs/ardour/session_command.cc
index 8d3ce793bc..17c7d559d4 100644
--- a/libs/ardour/session_command.cc
+++ b/libs/ardour/session_command.cc
@@ -34,6 +34,7 @@
 #include "ardour/session_playlists.h"
 #include "ardour/region_factory.h"
 #include "ardour/midi_automation_list_binder.h"
+#include "ardour/crossfade.h"
 #include "pbd/error.h"
 #include "pbd/id.h"
 #include "pbd/statefuldestructible.h"
@@ -140,7 +141,15 @@ Session::memento_command_factory(XMLNode *n)
 	    }
 	    
 	    cerr << "Alist not found\n";
-	    
+
+    } else if (obj_T == "ARDOUR::Crossfade") {
+	    boost::shared_ptr<Crossfade> c = playlists->find_crossfade (id);
+	    if (c) {
+		    return new MementoCommand<Crossfade> (*c.get(), before, after);
+	    } else {
+		    error << string_compose (X_("Crossfade %1 not found in session"), id) << endmsg;
+	    }
+
     } else if (registry.count(id)) { // For Editor and AutomationLine which are off-limits herea
 	    return new MementoCommand<PBD::StatefulDestructible>(*registry[id], before, after);
     }