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-rw-r--r--libs/ardour/ardour/crossfade.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/libs/ardour/ardour/crossfade.h b/libs/ardour/ardour/crossfade.h
index 0422698c5e..946d35b8e0 100644
--- a/libs/ardour/ardour/crossfade.h
+++ b/libs/ardour/ardour/crossfade.h
@@ -24,6 +24,7 @@
#include <vector>
#include <algorithm>
#include <boost/shared_ptr.hpp>
+#include <boost/enable_shared_from_this.hpp>
#include <sigc++/signal.h>
@@ -40,7 +41,7 @@ namespace ARDOUR {
class AudioRegion;
class Playlist;
-class Crossfade : public PBD::StatefulDestructible
+class Crossfade : public PBD::StatefulDestructible, public boost::enable_shared_from_this<ARDOUR::Crossfade>
{
public:
@@ -111,7 +112,7 @@ class Crossfade : public PBD::StatefulDestructible
void invalidate();
- sigc::signal<void,Crossfade*> Invalidated;
+ sigc::signal<void,boost::shared_ptr<Crossfade> > Invalidated;
sigc::signal<void,Change> StateChanged;
bool covers (nframes_t frame) const {