2 Copyright (C) 2000-2006 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 $Id: midiregion.h 733 2006-08-01 17:19:38Z drobilla $
21 #ifndef __ardour_midi_region_h__
22 #define __ardour_midi_region_h__
26 #include <pbd/fastlog.h>
29 #include <ardour/ardour.h>
30 #include <ardour/gain.h>
31 #include <ardour/logcurve.h>
32 #include <ardour/midi_model.h>
33 #include <ardour/midi_source.h>
34 #include <ardour/region.h>
47 template<typename T> class MidiRingBuffer;
49 class MidiRegion : public Region
54 boost::shared_ptr<MidiSource> midi_source (uint32_t n=0) const;
56 /* Stub Readable interface */
57 virtual nframes64_t read (Sample*, nframes64_t pos, nframes64_t cnt, int channel) const { return 0; }
58 virtual nframes64_t readable_length() const { return length(); }
60 nframes_t read_at (MidiRingBuffer<nframes_t>& dst,
64 NoteMode mode = Sustained) const;
66 nframes_t master_read_at (MidiRingBuffer<nframes_t>& dst,
70 NoteMode mode = Sustained) const;
72 XMLNode& state (bool);
73 int set_state (const XMLNode&);
75 int separate_by_channel (ARDOUR::Session&, vector<MidiRegion*>&) const;
79 boost::shared_ptr<Evoral::Control>
80 control(const Evoral::Parameter& id, bool create=false) {
81 return model()->data().control(id, create);
84 virtual boost::shared_ptr<const Evoral::Control>
85 control(const Evoral::Parameter& id) const {
86 return model()->data().control(id);
91 int exportme (ARDOUR::Session&, ARDOUR::ExportSpecification&);
93 UndoAction get_memento() const;
95 boost::shared_ptr<MidiModel> model() { return midi_source()->model(); }
96 boost::shared_ptr<const MidiModel> model() const { return midi_source()->model(); }
99 friend class RegionFactory;
101 MidiRegion (boost::shared_ptr<MidiSource>, nframes_t start, nframes_t length);
102 MidiRegion (boost::shared_ptr<MidiSource>, nframes_t start, nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags);
103 MidiRegion (const SourceList &, nframes_t start, nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags);
104 MidiRegion (boost::shared_ptr<const MidiRegion>, nframes_t start, nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags);
105 MidiRegion (boost::shared_ptr<const MidiRegion>);
106 MidiRegion (boost::shared_ptr<MidiSource>, const XMLNode&);
107 MidiRegion (const SourceList &, const XMLNode&);
110 nframes_t _read_at (const SourceList&, MidiRingBuffer<nframes_t>& dst,
114 NoteMode mode = Sustained) const;
116 void recompute_at_start ();
117 void recompute_at_end ();
119 void switch_source(boost::shared_ptr<Source> source);
123 int set_live_state (const XMLNode&, Change&, bool send);
126 } /* namespace ARDOUR */
129 #endif /* __ardour_midi_region_h__ */