X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Fmidi_region.h;h=9e8c7441fc072de8bf08eb36cbfbce260f37e1a5;hb=cd2047cbffc5e0270acab555364bb9d958fe7927;hp=ac65b86fc339a0c58f58a17752360b6f937894ca;hpb=ecb0cd5d119d28092a8f48e4521ac5eba197bb54;p=ardour.git

diff --git a/libs/ardour/ardour/midi_region.h b/libs/ardour/ardour/midi_region.h
index ac65b86fc3..9e8c7441fc 100644
--- a/libs/ardour/ardour/midi_region.h
+++ b/libs/ardour/ardour/midi_region.h
@@ -23,24 +23,33 @@
 
 #include <vector>
 
-#include "pbd/fastlog.h"
-#include "pbd/undo.h"
-
 #include "ardour/ardour.h"
-#include "ardour/gain.h"
-#include "ardour/logcurve.h"
-#include "ardour/midi_model.h"
-#include "ardour/midi_source.h"
 #include "ardour/region.h"
 
 class XMLNode;
 
+namespace ARDOUR {
+	namespace Properties {
+		/* this is pseudo-property: nothing has this as an actual
+		   property, but it allows us to signal changes to the
+		   MidiModel used by the MidiRegion
+		*/
+		extern PBD::PropertyDescriptor<void*> midi_data;
+		extern PBD::PropertyDescriptor<Evoral::MusicalTime> length_beats;
+	}
+}
+
+namespace Evoral {
+template<typename Time> class EventSink;
+}
+
 namespace ARDOUR {
 
 class Route;
 class Playlist;
 class Session;
 class MidiFilter;
+class MidiModel;
 class MidiSource;
 class MidiStateTracker;
 template<typename T> class MidiRingBuffer;
@@ -48,79 +57,93 @@ template<typename T> class MidiRingBuffer;
 class MidiRegion : public Region
 {
   public:
+	static void make_property_quarks ();
+
 	~MidiRegion();
 
-        boost::shared_ptr<MidiRegion> clone ();
-        
+	boost::shared_ptr<MidiRegion> clone () const;
+
 	boost::shared_ptr<MidiSource> midi_source (uint32_t n=0) const;
 
 	/* Stub Readable interface */
 	virtual framecnt_t read (Sample*, framepos_t /*pos*/, framecnt_t /*cnt*/, int /*channel*/) const { return 0; }
 	virtual framecnt_t readable_length() const { return length(); }
 
-	framecnt_t read_at (Evoral::EventSink<nframes_t>& dst,
-			    framepos_t position,
-			    framecnt_t dur,
-			    uint32_t  chan_n = 0,
-			    NoteMode  mode = Sustained,
-			    MidiStateTracker* tracker = 0) const;
-	
-	framepos_t master_read_at (MidiRingBuffer<nframes_t>& dst,
-				   framepos_t position,
-				   framecnt_t dur,
-				   uint32_t  chan_n = 0,
-				   NoteMode  mode = Sustained) const;
-
-	XMLNode& state (bool);
+	framecnt_t read_at (Evoral::EventSink<framepos_t>& dst,
+	                    framepos_t position,
+	                    framecnt_t dur,
+	                    uint32_t  chan_n = 0,
+	                    NoteMode  mode = Sustained,
+	                    MidiStateTracker* tracker = 0) const;
+
+	framepos_t master_read_at (MidiRingBuffer<framepos_t>& dst,
+	                           framepos_t position,
+	                           framecnt_t dur,
+	                           uint32_t  chan_n = 0,
+	                           NoteMode  mode = Sustained) const;
+
+	XMLNode& state ();
 	int      set_state (const XMLNode&, int version);
-	
+
 	int separate_by_channel (ARDOUR::Session&, std::vector< boost::shared_ptr<Region> >&) const;
 
 	/* automation */
-	
-	boost::shared_ptr<Evoral::Control>
-	control(const Evoral::Parameter& id, bool create=false) {
-		return model()->control(id, create);
-	}
 
-	virtual boost::shared_ptr<const Evoral::Control>
-	control(const Evoral::Parameter& id) const {
-		return model()->control(id);
-	}
+	boost::shared_ptr<Evoral::Control> control(const Evoral::Parameter& id, bool create=false);
+
+	virtual boost::shared_ptr<const Evoral::Control> control(const Evoral::Parameter& id) const;
 
 	/* export */
 
 	int exportme (ARDOUR::Session&, ARDOUR::ExportSpecification&);
 
-	boost::shared_ptr<MidiModel> model()             { return midi_source()->model(); }
-	boost::shared_ptr<const MidiModel> model() const { return midi_source()->model(); }
+	boost::shared_ptr<MidiModel> model();
+	boost::shared_ptr<const MidiModel> model() const;
+
+	void fix_negative_start ();
+	void transpose (int);
+
+  protected:
+
+	virtual bool can_trim_start_before_source_start () const {
+		return true;
+	}
 
   private:
 	friend class RegionFactory;
+	PBD::Property<Evoral::MusicalTime> _length_beats;
 
 	MidiRegion (const SourceList&);
-	MidiRegion (boost::shared_ptr<const MidiRegion>, frameoffset_t offset = 0, bool offset_relative = true);
+	MidiRegion (boost::shared_ptr<const MidiRegion>);
+	MidiRegion (boost::shared_ptr<const MidiRegion>, frameoffset_t offset);
 
-  private:
-	framecnt_t _read_at (const SourceList&, Evoral::EventSink<nframes_t>& dst,
-			     framepos_t position,
-			     framecnt_t dur,
-			     uint32_t chan_n = 0,
-			     NoteMode mode = Sustained, 
-			     MidiStateTracker* tracker = 0) const;
+	framecnt_t _read_at (const SourceList&, Evoral::EventSink<framepos_t>& dst,
+	                     framepos_t position,
+	                     framecnt_t dur,
+	                     uint32_t chan_n = 0,
+	                     NoteMode mode = Sustained,
+	                     MidiStateTracker* tracker = 0) const;
+
+	void register_properties ();
+	void post_set (const PBD::PropertyChange&);
 
 	void recompute_at_start ();
 	void recompute_at_end ();
 
 	void set_position_internal (framepos_t pos, bool allow_bbt_recompute);
+	void set_length_internal (framecnt_t len);
+	void update_length_beats ();
 
-	void switch_source(boost::shared_ptr<Source> source);
 	void model_changed ();
 	void model_automation_state_changed (Evoral::Parameter const &);
+	void model_contents_changed ();
 
 	std::set<Evoral::Parameter> _filtered_parameters; ///< parameters that we ask our source not to return when reading
 	PBD::ScopedConnection _model_connection;
 	PBD::ScopedConnection _source_connection;
+	PBD::ScopedConnection _model_contents_connection;
+
+	double _last_length_beats;
 };
 
 } /* namespace ARDOUR */