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"
45 class MidiStateTracker;
46 template<typename T> class MidiRingBuffer;
48 class MidiRegion : public Region
53 boost::shared_ptr<MidiSource> midi_source (uint32_t n=0) const;
55 /* Stub Readable interface */
56 virtual nframes_t read (Sample*, sframes_t /*pos*/, nframes_t /*cnt*/, int /*channel*/) const { return 0; }
57 virtual sframes_t readable_length() const { return length(); }
59 nframes_t read_at (Evoral::EventSink<nframes_t>& dst,
63 NoteMode mode = Sustained,
64 MidiStateTracker* tracker = 0) 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&, int version);
75 int separate_by_channel (ARDOUR::Session&, std::vector< boost::shared_ptr<Region> >&) const;
79 boost::shared_ptr<Evoral::Control>
80 control(const Evoral::Parameter& id, bool create=false) {
81 return model()->control(id, create);
84 virtual boost::shared_ptr<const Evoral::Control>
85 control(const Evoral::Parameter& id) const {
86 return model()->control(id);
91 int exportme (ARDOUR::Session&, ARDOUR::ExportSpecification&);
93 boost::shared_ptr<MidiModel> model() { return midi_source()->model(); }
94 boost::shared_ptr<const MidiModel> model() const { return midi_source()->model(); }
97 friend class RegionFactory;
99 MidiRegion (boost::shared_ptr<MidiSource>, nframes_t start, nframes_t length);
100 MidiRegion (boost::shared_ptr<MidiSource>, nframes_t start, nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags);
101 MidiRegion (const SourceList &, nframes_t start, nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags);
102 MidiRegion (boost::shared_ptr<const MidiRegion>, nframes_t start, nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags);
103 MidiRegion (boost::shared_ptr<const MidiRegion>);
104 MidiRegion (boost::shared_ptr<MidiSource>, const XMLNode&);
105 MidiRegion (const SourceList &, const XMLNode&);
108 nframes_t _read_at (const SourceList&, Evoral::EventSink<nframes_t>& dst,
112 NoteMode mode = Sustained,
113 MidiStateTracker* tracker = 0) const;
115 void recompute_at_start ();
116 void recompute_at_end ();
118 void set_position_internal (nframes_t pos, bool allow_bbt_recompute);
120 void switch_source(boost::shared_ptr<Source> source);
124 int set_live_state (const XMLNode&, int version, Change&, bool send);
127 } /* namespace ARDOUR */
130 #endif /* __ardour_midi_region_h__ */