X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Fmidi_region.h;h=dbbf6d80d19e187f3a95b11725b12d5bdd653a0b;hb=ba0458cf1f6c69366e89631d8fff916ad183d768;hp=0144f5247351ac067bc0e3cca99d1f7509d9869f;hpb=5952c48a848926edb02b5d630e36cc461c893964;p=ardour.git

diff --git a/libs/ardour/ardour/midi_region.h b/libs/ardour/ardour/midi_region.h
index 0144f52473..dbbf6d80d1 100644
--- a/libs/ardour/ardour/midi_region.h
+++ b/libs/ardour/ardour/midi_region.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2000-2006 Paul Davis 
+    Copyright (C) 2000-2006 Paul Davis
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -23,17 +23,28 @@
 
 #include <vector>
 
-#include <pbd/fastlog.h>
-#include <pbd/undo.h>
+#include "pbd/fastlog.h"
+#include "pbd/undo.h"
 
-#include <ardour/ardour.h>
-#include <ardour/region.h>
-#include <ardour/gain.h>
-#include <ardour/logcurve.h>
-#include <ardour/export.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; 
+        }
+}
+
 namespace ARDOUR {
 
 class Route;
@@ -41,57 +52,90 @@ class Playlist;
 class Session;
 class MidiFilter;
 class MidiSource;
-class MidiBuffer;
+class MidiStateTracker;
+template<typename T> class MidiRingBuffer;
 
 class MidiRegion : public Region
 {
   public:
-	MidiRegion (MidiSource&, jack_nframes_t start, jack_nframes_t length, bool announce = true);
-	MidiRegion (MidiSource&, jack_nframes_t start, jack_nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags, bool announce = true);
-	MidiRegion (SourceList &, jack_nframes_t start, jack_nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags, bool announce = true);
-	MidiRegion (const MidiRegion&, jack_nframes_t start, jack_nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags, bool announce = true);
-	MidiRegion (const MidiRegion&);
-	MidiRegion (MidiSource&, const XMLNode&);
-	MidiRegion (SourceList &, const XMLNode&);
-	~MidiRegion();
-
-	MidiSource& midi_source (uint32_t n=0) const;
-
-	jack_nframes_t read_at (MidiBuffer& out,
-			jack_nframes_t position,
-			jack_nframes_t cnt, 
-			uint32_t       chan_n      = 0,
-			jack_nframes_t read_frames = 0,
-			jack_nframes_t skip_frames = 0) const;
-
-	jack_nframes_t master_read_at (MidiBuffer& buf,
-			jack_nframes_t position,
-			jack_nframes_t cnt,
-			uint32_t chan_n=0) const;
+	static void make_property_quarks ();
 
-	XMLNode& state (bool);
-	int      set_state (const XMLNode&);
-
-	int separate_by_channel (ARDOUR::Session&, vector<MidiRegion*>&) const;
+	~MidiRegion();
 
-	UndoAction get_memento() const;
+        boost::shared_ptr<MidiRegion> clone ();
+        
+	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 ();
+	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);
+	}
+
+	/* 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(); }
 
   private:
-	friend class Playlist;
+	friend class RegionFactory;
+
+	MidiRegion (const SourceList&);
+	MidiRegion (boost::shared_ptr<const MidiRegion>, frameoffset_t offset = 0, bool offset_relative = true);
 
   private:
-	StateManager::State* state_factory (std::string why) const;
-	Change restore_state (StateManager::State&);
+	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;
 
-	jack_nframes_t _read_at (const SourceList&, MidiBuffer& buf,
-		jack_nframes_t position,
-		jack_nframes_t cnt, 
-		uint32_t chan_n = 0,
-		jack_nframes_t read_frames = 0,
-		jack_nframes_t skip_frames = 0) const;
+	void register_properties ();
 
 	void recompute_at_start ();
 	void recompute_at_end ();
+
+	void set_position_internal (framepos_t pos, bool allow_bbt_recompute);
+
+	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;
 };
 
 } /* namespace ARDOUR */