3 files changed, 9 insertions, 3 deletions
diff --git a/libs/ardour/ardour/audioregion.h b/libs/ardour/ardour/audioregion.h
index 4d4d8eecd8..2174fb9228 100644
--- a/libs/ardour/ardour/audioregion.h
+++ b/libs/ardour/ardour/audioregion.h
@@ -169,6 +169,7 @@ class AudioRegion : public Region
 	AudioRegion (boost::shared_ptr<AudioSource>, nframes_t start, nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags);
 	AudioRegion (const SourceList &, nframes_t start, nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags);
 	AudioRegion (boost::shared_ptr<const AudioRegion>, nframes_t start, nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags);
+	AudioRegion (boost::shared_ptr<const AudioRegion>, const SourceList&, nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags);
 	AudioRegion (boost::shared_ptr<const AudioRegion>);
 	AudioRegion (boost::shared_ptr<AudioSource>, const XMLNode&);
 	AudioRegion (SourceList &, const XMLNode&);
diff --git a/libs/ardour/ardour/region.h b/libs/ardour/ardour/region.h
index e4d913082e..bffd13ae1d 100644
--- a/libs/ardour/ardour/region.h
+++ b/libs/ardour/ardour/region.h
@@ -110,8 +110,9 @@ class Region : public PBD::StatefulDestructible, public Readable, public boost::
 
 	nframes_t sync_offset(int& dir) const;
 	nframes_t sync_position() const;
+	nframes_t sync_point () const;
 
-	nframes_t adjust_to_sync (nframes_t);
+	nframes_t adjust_to_sync (nframes_t) const;
 	
 	/* first_frame() is an alias; last_frame() just hides some math */
 
@@ -212,10 +213,13 @@ class Region : public PBD::StatefulDestructible, public Readable, public boost::
 	Region (nframes_t start, nframes_t length, 
 		const string& name, layer_t = 0, Flag flags = DefaultFlags);
 	Region (boost::shared_ptr<const Region>, nframes_t start, nframes_t length, const string& name, layer_t = 0, Flag flags = DefaultFlags);
+	Region (boost::shared_ptr<const Region>, nframes_t length, const string& name, layer_t = 0, Flag flags = DefaultFlags);
 	Region (boost::shared_ptr<const Region>);
 	Region (const XMLNode&);
 
   protected:
+	void copy_stuff (boost::shared_ptr<const Region>, nframes_t start, nframes_t length, const string& name, layer_t, Flag flags);
+
 	XMLNode& get_short_state (); /* used only by Session */
 
 	void send_change (Change);
diff --git a/libs/ardour/ardour/region_factory.h b/libs/ardour/ardour/region_factory.h
index ada5afcd9c..640be4bdf4 100644
--- a/libs/ardour/ardour/region_factory.h
+++ b/libs/ardour/ardour/region_factory.h
@@ -49,11 +49,12 @@ class RegionFactory {
 	*/
 
 	static boost::shared_ptr<Region> create (boost::shared_ptr<Region>, nframes_t start, 
-						 nframes_t length, std::string name, 
+						 nframes_t length, const std::string& name, 
 						 layer_t = 0, Region::Flag flags = Region::DefaultFlags, bool announce = true);
 	static boost::shared_ptr<Region> create (boost::shared_ptr<AudioRegion>, nframes_t start, 
-						 nframes_t length, std::string name, 
+						 nframes_t length, const std::string& name, 
 						 layer_t = 0, Region::Flag flags = Region::DefaultFlags, bool announce = true);
+	static boost::shared_ptr<Region> create (boost::shared_ptr<Region>, const SourceList&, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags, bool announce = true);
 	static boost::shared_ptr<Region> create (boost::shared_ptr<Source>, nframes_t start, nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags, bool announce = true);
 	static boost::shared_ptr<Region> create (const SourceList &, nframes_t start, nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags, bool announce = true);
 	static boost::shared_ptr<Region> create (Session&, XMLNode&, bool);