2 Copyright (C) 2007 Paul Davis
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #define __STDC_LIMIT_MACROS 1
27 #include "pbd/error.h"
28 #include "pbd/enumwriter.h"
29 #include "midi++/events.h"
31 #include "ardour/midi_model.h"
32 #include "ardour/midi_source.h"
33 #include "ardour/types.h"
34 #include "ardour/session.h"
37 using namespace ARDOUR;
40 MidiModel::MidiModel(MidiSource* s, size_t size)
41 : AutomatableSequence<TimeType>(s->session(), size)
46 /** Start a new command.
48 * This has no side-effects on the model or Session, the returned command
49 * can be held on to for as long as the caller wishes, or discarded without
50 * formality, until apply_command is called and ownership is taken.
52 MidiModel::DeltaCommand*
53 MidiModel::new_delta_command(const string name)
55 DeltaCommand* cmd = new DeltaCommand(_midi_source->model(), name);
61 * Ownership of cmd is taken, it must not be deleted by the caller.
62 * The command will constitute one item on the undo stack.
65 MidiModel::apply_command(Session& session, Command* cmd)
67 session.begin_reversible_command(cmd->name());
69 session.commit_reversible_command(cmd);
76 MidiModel::DeltaCommand::DeltaCommand(boost::shared_ptr<MidiModel> m, const std::string& name)
84 MidiModel::DeltaCommand::DeltaCommand(boost::shared_ptr<MidiModel> m, const XMLNode& node)
92 MidiModel::DeltaCommand::add(const boost::shared_ptr< Evoral::Note<TimeType> > note)
94 _removed_notes.remove(note);
95 _added_notes.push_back(note);
99 MidiModel::DeltaCommand::remove(const boost::shared_ptr< Evoral::Note<TimeType> > note)
101 _added_notes.remove(note);
102 _removed_notes.push_back(note);
106 MidiModel::DeltaCommand::operator()()
108 // This could be made much faster by using a priority_queue for added and
109 // removed notes (or sort here), and doing a single iteration over _model
111 Glib::Mutex::Lock lm (_model->_midi_source->mutex());
112 _model->_midi_source->invalidate(); // release model read lock
113 _model->write_lock();
115 for (NoteList::iterator i = _added_notes.begin(); i != _added_notes.end(); ++i)
116 _model->add_note_unlocked(*i);
118 for (NoteList::iterator i = _removed_notes.begin(); i != _removed_notes.end(); ++i)
119 _model->remove_note_unlocked(*i);
121 _model->write_unlock();
122 _model->ContentsChanged(); /* EMIT SIGNAL */
126 MidiModel::DeltaCommand::undo()
128 // This could be made much faster by using a priority_queue for added and
129 // removed notes (or sort here), and doing a single iteration over _model
131 Glib::Mutex::Lock lm (_model->_midi_source->mutex());
132 _model->_midi_source->invalidate(); // release model read lock
133 _model->write_lock();
135 for (NoteList::iterator i = _added_notes.begin(); i != _added_notes.end(); ++i)
136 _model->remove_note_unlocked(*i);
138 for (NoteList::iterator i = _removed_notes.begin(); i != _removed_notes.end(); ++i)
139 _model->add_note_unlocked(*i);
141 _model->write_unlock();
142 _model->ContentsChanged(); /* EMIT SIGNAL */
146 MidiModel::DeltaCommand::marshal_note(const boost::shared_ptr< Evoral::Note<TimeType> > note)
148 XMLNode* xml_note = new XMLNode("note");
149 ostringstream note_str(ios::ate);
150 note_str << int(note->note());
151 xml_note->add_property("note", note_str.str());
153 ostringstream channel_str(ios::ate);
154 channel_str << int(note->channel());
155 xml_note->add_property("channel", channel_str.str());
157 ostringstream time_str(ios::ate);
158 time_str << int(note->time());
159 xml_note->add_property("time", time_str.str());
161 ostringstream length_str(ios::ate);
162 length_str <<(unsigned int) note->length();
163 xml_note->add_property("length", length_str.str());
165 ostringstream velocity_str(ios::ate);
166 velocity_str << (unsigned int) note->velocity();
167 xml_note->add_property("velocity", velocity_str.str());
172 boost::shared_ptr< Evoral::Note<MidiModel::TimeType> >
173 MidiModel::DeltaCommand::unmarshal_note(XMLNode *xml_note)
177 unsigned int channel;
180 unsigned int velocity;
182 if ((prop = xml_note->property("note")) != 0) {
183 istringstream note_str(prop->value());
186 warning << "note information missing note value" << endmsg;
190 if ((prop = xml_note->property("channel")) != 0) {
191 istringstream channel_str(prop->value());
192 channel_str >> channel;
194 warning << "note information missing channel" << endmsg;
198 if ((prop = xml_note->property("time")) != 0) {
199 istringstream time_str(prop->value());
202 warning << "note information missing time" << endmsg;
206 if ((prop = xml_note->property("length")) != 0) {
207 istringstream length_str(prop->value());
208 length_str >> length;
210 warning << "note information missing length" << endmsg;
214 if ((prop = xml_note->property("velocity")) != 0) {
215 istringstream velocity_str(prop->value());
216 velocity_str >> velocity;
218 warning << "note information missing velocity" << endmsg;
222 boost::shared_ptr< Evoral::Note<TimeType> > note_ptr(new Evoral::Note<TimeType>(
223 channel, time, length, note, velocity));
227 #define ADDED_NOTES_ELEMENT "added_notes"
228 #define REMOVED_NOTES_ELEMENT "removed_notes"
229 #define DELTA_COMMAND_ELEMENT "DeltaCommand"
232 MidiModel::DeltaCommand::set_state(const XMLNode& delta_command)
234 if (delta_command.name() != string(DELTA_COMMAND_ELEMENT)) {
238 _added_notes.clear();
239 XMLNode* added_notes = delta_command.child(ADDED_NOTES_ELEMENT);
240 XMLNodeList notes = added_notes->children();
241 transform(notes.begin(), notes.end(), back_inserter(_added_notes),
242 sigc::mem_fun(*this, &DeltaCommand::unmarshal_note));
244 _removed_notes.clear();
245 XMLNode* removed_notes = delta_command.child(REMOVED_NOTES_ELEMENT);
246 notes = removed_notes->children();
247 transform(notes.begin(), notes.end(), back_inserter(_removed_notes),
248 sigc::mem_fun(*this, &DeltaCommand::unmarshal_note));
254 MidiModel::DeltaCommand::get_state()
256 XMLNode* delta_command = new XMLNode(DELTA_COMMAND_ELEMENT);
257 delta_command->add_property("midi-source", _model->midi_source()->id().to_s());
259 XMLNode* added_notes = delta_command->add_child(ADDED_NOTES_ELEMENT);
260 for_each(_added_notes.begin(), _added_notes.end(), sigc::compose(
261 sigc::mem_fun(*added_notes, &XMLNode::add_child_nocopy),
262 sigc::mem_fun(*this, &DeltaCommand::marshal_note)));
264 XMLNode* removed_notes = delta_command->add_child(REMOVED_NOTES_ELEMENT);
265 for_each(_removed_notes.begin(), _removed_notes.end(), sigc::compose(
266 sigc::mem_fun(*removed_notes, &XMLNode::add_child_nocopy),
267 sigc::mem_fun(*this, &DeltaCommand::marshal_note)));
269 return *delta_command;
272 /** Write the model to a MidiSource (i.e. save the model).
273 * This is different from manually using read to write to a source in that
274 * note off events are written regardless of the track mode. This is so the
275 * user can switch a recorded track (with note durations from some instrument)
276 * to percussive, save, reload, then switch it back to sustained without
277 * destroying the original note durations.
280 MidiModel::write_to(boost::shared_ptr<MidiSource> source)
284 const bool old_percussive = percussive();
285 set_percussive(false);
287 source->drop_model();
289 for (Evoral::Sequence<TimeType>::const_iterator i = begin(); i != end(); ++i) {
290 source->append_event_unlocked_beats(*i);
293 set_percussive(old_percussive);
302 MidiModel::get_state()
304 XMLNode *node = new XMLNode("MidiModel");