ALSA sequencer ports are all owned by a single sequencer client, not 1 per port

[ardour.git] / libs / ardour / ardour / crossfade.h

diff --git a/libs/ardour/ardour/crossfade.h b/libs/ardour/ardour/crossfade.h
index d29ba47056f2e4bf8c8854ce3b85e258d81bfdf2..3eafed818cf60dc03edcdbeac6d6bf9101c55c96 100644 (file)
--- 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:
 
@@ -64,12 +65,13 @@ class Crossfade : public PBD::StatefulDestructible
 
 
        /* copy constructor to copy a crossfade with new regions. used (for example)
-          when a playlist copy is made */
+          when a playlist copy is made 
+       */
        Crossfade (const Crossfade &, boost::shared_ptr<ARDOUR::AudioRegion>, boost::shared_ptr<ARDOUR::AudioRegion>);
        
        /* the usual XML constructor */
 
-       Crossfade (const ARDOUR::Playlist&, XMLNode&);
+       Crossfade (const Playlist&, XMLNode&);
        virtual ~Crossfade();
 
        bool operator== (const ARDOUR::Crossfade&);
@@ -110,7 +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 {
@@ -155,6 +157,7 @@ class Crossfade : public PBD::StatefulDestructible
        AnchorPoint          _anchor_point;
        bool                 _follow_overlap;
        bool                 _fixed;
+       int32_t               layer_relation;
        Curve _fade_in;
        Curve _fade_out;
 
@@ -163,9 +166,7 @@ class Crossfade : public PBD::StatefulDestructible
 
        void initialize ();
        int  compute (boost::shared_ptr<ARDOUR::AudioRegion>, boost::shared_ptr<ARDOUR::AudioRegion>, CrossfadeModel);
-       bool update (bool force);
-
-       void member_changed (ARDOUR::Change);
+       bool update ();
 };