1 /* This file is part of Evoral.
2 * Copyright (C) 2008 Dave Robillard <http://drobilla.net>
3 * Copyright (C) 2000-2008 Paul Davis
5 * Evoral is free software; you can redistribute it and/or modify it under the
6 * terms of the GNU General Public License as published by the Free Software
7 * Foundation; either version 2 of the License, or (at your option) any later
10 * Evoral is distributed in the hope that it will be useful, but WITHOUT ANY
11 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 #ifndef EVORAL_SEQUENCE_HPP
20 #define EVORAL_SEQUENCE_HPP
27 #include <boost/shared_ptr.hpp>
28 #include <glibmm/thread.h>
29 #include "evoral/types.hpp"
30 #include "evoral/Note.hpp"
31 #include "evoral/Parameter.hpp"
32 #include "evoral/ControlSet.hpp"
33 #include "evoral/ControlList.hpp"
38 template<typename Time> class EventSink;
39 template<typename Time> class Note;
40 template<typename Time> class Event;
42 /** An iterator over (the x axis of) a 2-d double coordinate space.
44 class ControlIterator {
46 ControlIterator(boost::shared_ptr<const ControlList> al, double ax, double ay)
52 boost::shared_ptr<const ControlList> list;
58 /** This is a higher level view of events, with separate representations for
59 * notes (instead of just unassociated note on/off events) and controller data.
60 * Controller data is represented as a list of time-stamped float values. */
61 template<typename Time>
62 class Sequence : virtual public ControlSet {
64 Sequence(const TypeMap& type_map);
69 void read_lock() const;
70 void read_unlock() const;
74 bool percussive() const { return _percussive; }
75 void set_percussive(bool p) { _percussive = p; }
78 bool writing() const { return _writing; }
79 void end_write(bool delete_stuck=false);
81 void append(const Event<Time>& ev);
83 inline size_t n_notes() const { return _notes.size(); }
84 inline bool empty() const { return _notes.size() == 0 && ControlSet::controls_empty(); }
86 inline static bool note_time_comparator(const boost::shared_ptr< const Note<Time> >& a,
87 const boost::shared_ptr< const Note<Time> >& b) {
88 return a->time() < b->time();
91 struct NoteNumberComparator {
92 inline bool operator()(const boost::shared_ptr< const Note<Time> > a,
93 const boost::shared_ptr< const Note<Time> > b) const {
94 return a->note() < b->note();
98 struct EarlierNoteComparator {
99 inline bool operator()(const boost::shared_ptr< const Note<Time> > a,
100 const boost::shared_ptr< const Note<Time> > b) const {
101 return a->time() < b->time();
105 struct LaterNoteComparator {
106 typedef const Note<Time>* value_type;
107 inline bool operator()(const boost::shared_ptr< const Note<Time> > a,
108 const boost::shared_ptr< const Note<Time> > b) const {
109 return a->time() > b->time();
113 struct LaterNoteEndComparator {
114 typedef const Note<Time>* value_type;
115 inline bool operator()(const boost::shared_ptr< const Note<Time> > a,
116 const boost::shared_ptr< const Note<Time> > b) const {
117 return a->end_time() > b->end_time();
121 typedef std::set<boost::shared_ptr< Note<Time> >, EarlierNoteComparator> Notes;
122 inline Notes& notes() { return _notes; }
123 inline const Notes& notes() const { return _notes; }
125 void set_notes (const Sequence<Time>::Notes& n);
127 typedef std::vector< boost::shared_ptr< Event<Time> > > SysExes;
128 inline SysExes& sysexes() { return _sysexes; }
129 inline const SysExes& sysexes() const { return _sysexes; }
132 typedef std::priority_queue< boost::shared_ptr< Note<Time> >,
133 std::deque< boost::shared_ptr< Note<Time> > >,
134 LaterNoteEndComparator >
139 class const_iterator {
142 const_iterator(const Sequence<Time>& seq, Time t);
145 inline bool valid() const { return !_is_end && _event; }
146 inline bool locked() const { return _locked; }
150 const Event<Time>& operator*() const { return *_event; }
151 const boost::shared_ptr< Event<Time> > operator->() const { return _event; }
152 const boost::shared_ptr< Event<Time> > get_event_pointer() { return _event; }
154 const const_iterator& operator++(); // prefix only
156 bool operator==(const const_iterator& other) const;
157 bool operator!=(const const_iterator& other) const { return ! operator==(other); }
159 const_iterator& operator=(const const_iterator& other);
162 friend class Sequence<Time>;
164 typedef std::vector<ControlIterator> ControlIterators;
165 enum MIDIMessageType { NIL, NOTE_ON, NOTE_OFF, CONTROL, SYSEX };
167 const Sequence<Time>* _seq;
168 boost::shared_ptr< Event<Time> > _event;
169 mutable ActiveNotes _active_notes;
170 MIDIMessageType _type;
173 typename Notes::const_iterator _note_iter;
174 typename SysExes::const_iterator _sysex_iter;
175 ControlIterators _control_iters;
176 ControlIterators::iterator _control_iter;
179 const_iterator begin(Time t=0) const { return const_iterator(*this, t); }
180 const const_iterator& end() const { return _end_iter; }
182 bool control_to_midi_event(boost::shared_ptr< Event<Time> >& ev,
183 const ControlIterator& iter) const;
185 bool edited() const { return _edited; }
186 void set_edited(bool yn) { _edited = yn; }
188 void add_note_unlocked(const boost::shared_ptr< Note<Time> > note);
189 void remove_note_unlocked(const boost::shared_ptr< const Note<Time> > note);
191 uint8_t lowest_note() const { return _lowest_note; }
192 uint8_t highest_note() const { return _highest_note; }
198 friend class const_iterator;
200 void append_note_on_unlocked(uint8_t chan, Time time, uint8_t note, uint8_t velocity);
201 void append_note_off_unlocked(uint8_t chan, Time time, uint8_t note);
202 void append_control_unlocked(const Parameter& param, Time time, double value);
203 void append_sysex_unlocked(const MIDIEvent<Time>& ev);
205 mutable Glib::RWLock _lock;
207 const TypeMap& _type_map;
212 typedef std::set<boost::shared_ptr< Note<Time> >, NoteNumberComparator> WriteNotes;
213 WriteNotes _write_notes[16];
216 typedef std::vector< boost::shared_ptr<const ControlList> > ControlLists;
217 ControlLists _dirty_controls;
219 const const_iterator _end_iter;
222 uint8_t _lowest_note;
223 uint8_t _highest_note;
227 } // namespace Evoral
229 #endif // EVORAL_SEQUENCE_HPP