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
26 #include <boost/shared_ptr.hpp>
27 #include <glibmm/thread.h>
28 #include "evoral/types.hpp"
29 #include "evoral/Note.hpp"
30 #include "evoral/Parameter.hpp"
31 #include "evoral/ControlSet.hpp"
32 #include "evoral/ControlList.hpp"
37 template<typename Time> class EventSink;
38 template<typename Time> class Note;
39 template<typename Time> class Event;
41 /** An iterator over (the x axis of) a 2-d double coordinate space.
43 class ControlIterator {
45 ControlIterator(boost::shared_ptr<const ControlList> al, double ax, double ay)
51 boost::shared_ptr<const ControlList> list;
57 /** This is a higher level view of events, with separate representations for
58 * notes (instead of just unassociated note on/off events) and controller data.
59 * Controller data is represented as a list of time-stamped float values. */
60 template<typename Time>
61 class Sequence : virtual public ControlSet {
63 Sequence(const TypeMap& type_map);
66 struct WriteLockImpl {
67 WriteLockImpl(Glib::RWLock& s, Glib::Mutex& c)
68 : sequence_lock(new Glib::RWLock::WriterLock(s))
69 , control_lock(new Glib::Mutex::Lock(c))
75 Glib::RWLock::WriterLock* sequence_lock;
76 Glib::Mutex::Lock* control_lock;
80 typedef boost::shared_ptr<Glib::RWLock::ReaderLock> ReadLock;
81 typedef boost::shared_ptr<WriteLockImpl> WriteLock;
83 virtual ReadLock read_lock() const { return ReadLock(new Glib::RWLock::ReaderLock(_lock)); }
84 virtual WriteLock write_lock() { return WriteLock(new WriteLockImpl(_lock, _control_lock)); }
88 bool percussive() const { return _percussive; }
89 void set_percussive(bool p) { _percussive = p; }
92 bool writing() const { return _writing; }
93 void end_write(bool delete_stuck=false);
95 void append(const Event<Time>& ev);
97 inline size_t n_notes() const { return _notes.size(); }
98 inline bool empty() const { return _notes.size() == 0 && ControlSet::controls_empty(); }
100 inline static bool note_time_comparator(const boost::shared_ptr< const Note<Time> >& a,
101 const boost::shared_ptr< const Note<Time> >& b) {
102 return a->time() < b->time();
105 struct NoteNumberComparator {
106 inline bool operator()(const boost::shared_ptr< const Note<Time> > a,
107 const boost::shared_ptr< const Note<Time> > b) const {
108 return a->note() < b->note();
112 struct EarlierNoteComparator {
113 inline bool operator()(const boost::shared_ptr< const Note<Time> > a,
114 const boost::shared_ptr< const Note<Time> > b) const {
115 return a->time() < b->time();
119 struct LaterNoteComparator {
120 typedef const Note<Time>* value_type;
121 inline bool operator()(const boost::shared_ptr< const Note<Time> > a,
122 const boost::shared_ptr< const Note<Time> > b) const {
123 return a->time() > b->time();
127 struct LaterNoteEndComparator {
128 typedef const Note<Time>* value_type;
129 inline bool operator()(const boost::shared_ptr< const Note<Time> > a,
130 const boost::shared_ptr< const Note<Time> > b) const {
131 return a->end_time() > b->end_time();
135 typedef std::multiset<boost::shared_ptr< Note<Time> >, EarlierNoteComparator> Notes;
136 inline Notes& notes() { return _notes; }
137 inline const Notes& notes() const { return _notes; }
139 void set_notes (const Sequence<Time>::Notes& n);
141 typedef std::vector< boost::shared_ptr< Event<Time> > > SysExes;
142 inline SysExes& sysexes() { return _sysexes; }
143 inline const SysExes& sysexes() const { return _sysexes; }
146 typedef std::priority_queue< boost::shared_ptr< Note<Time> >,
147 std::deque< boost::shared_ptr< Note<Time> > >,
148 LaterNoteEndComparator >
153 class const_iterator {
156 const_iterator(const Sequence<Time>& seq, Time t);
159 inline bool valid() const { return !_is_end && _event; }
160 //inline bool locked() const { return _locked; }
164 const Event<Time>& operator*() const { return *_event; }
165 const boost::shared_ptr< Event<Time> > operator->() const { return _event; }
166 const boost::shared_ptr< Event<Time> > get_event_pointer() { return _event; }
168 const const_iterator& operator++(); // prefix only
170 bool operator==(const const_iterator& other) const;
171 bool operator!=(const const_iterator& other) const { return ! operator==(other); }
173 const_iterator& operator=(const const_iterator& other);
176 friend class Sequence<Time>;
178 typedef std::vector<ControlIterator> ControlIterators;
179 enum MIDIMessageType { NIL, NOTE_ON, NOTE_OFF, CONTROL, SYSEX };
181 const Sequence<Time>* _seq;
182 boost::shared_ptr< Event<Time> > _event;
183 mutable ActiveNotes _active_notes;
184 MIDIMessageType _type;
186 typename Sequence::ReadLock _lock;
187 typename Notes::const_iterator _note_iter;
188 typename SysExes::const_iterator _sysex_iter;
189 ControlIterators _control_iters;
190 ControlIterators::iterator _control_iter;
193 const_iterator begin(Time t=0) const { return const_iterator(*this, t); }
194 const const_iterator& end() const { return _end_iter; }
196 typename Notes::const_iterator note_lower_bound (Time t) const;
198 bool control_to_midi_event(boost::shared_ptr< Event<Time> >& ev,
199 const ControlIterator& iter) const;
201 bool edited() const { return _edited; }
202 void set_edited(bool yn) { _edited = yn; }
204 void add_note_unlocked(const boost::shared_ptr< Note<Time> > note);
205 void remove_note_unlocked(const boost::shared_ptr< const Note<Time> > note);
207 uint8_t lowest_note() const { return _lowest_note; }
208 uint8_t highest_note() const { return _highest_note; }
212 mutable Glib::RWLock _lock;
215 friend class const_iterator;
217 void append_note_on_unlocked(uint8_t chan, Time time, uint8_t note, uint8_t velocity);
218 void append_note_off_unlocked(uint8_t chan, Time time, uint8_t note);
219 void append_control_unlocked(const Parameter& param, Time time, double value);
220 void append_sysex_unlocked(const MIDIEvent<Time>& ev);
222 const TypeMap& _type_map;
227 typedef std::set<boost::shared_ptr< Note<Time> >, NoteNumberComparator> WriteNotes;
228 WriteNotes _write_notes[16];
231 typedef std::vector< boost::shared_ptr<const ControlList> > ControlLists;
232 ControlLists _dirty_controls;
234 const const_iterator _end_iter;
237 uint8_t _lowest_note;
238 uint8_t _highest_note;
242 } // namespace Evoral
244 #endif // EVORAL_SEQUENCE_HPP