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)
83 MidiModel::DeltaCommand::DeltaCommand(boost::shared_ptr<MidiModel> m, const XMLNode& node)
90 MidiModel::DeltaCommand::add(const boost::shared_ptr< Evoral::Note<TimeType> > note)
92 _removed_notes.remove(note);
93 _added_notes.push_back(note);
97 MidiModel::DeltaCommand::remove(const boost::shared_ptr< Evoral::Note<TimeType> > note)
99 _added_notes.remove(note);
100 _removed_notes.push_back(note);
104 MidiModel::DeltaCommand::operator()()
106 // This could be made much faster by using a priority_queue for added and
107 // removed notes (or sort here), and doing a single iteration over _model
109 Glib::Mutex::Lock lm (_model->_midi_source->mutex());
110 _model->_midi_source->invalidate(); // release model read lock
111 _model->write_lock();
113 for (NoteList::iterator i = _added_notes.begin(); i != _added_notes.end(); ++i)
114 _model->add_note_unlocked(*i);
116 for (NoteList::iterator i = _removed_notes.begin(); i != _removed_notes.end(); ++i)
117 _model->remove_note_unlocked(*i);
119 _model->write_unlock();
120 _model->ContentsChanged(); /* EMIT SIGNAL */
124 MidiModel::DeltaCommand::undo()
126 // This could be made much faster by using a priority_queue for added and
127 // removed notes (or sort here), and doing a single iteration over _model
129 Glib::Mutex::Lock lm (_model->_midi_source->mutex());
130 _model->_midi_source->invalidate(); // release model read lock
131 _model->write_lock();
133 for (NoteList::iterator i = _added_notes.begin(); i != _added_notes.end(); ++i)
134 _model->remove_note_unlocked(*i);
136 for (NoteList::iterator i = _removed_notes.begin(); i != _removed_notes.end(); ++i)
137 _model->add_note_unlocked(*i);
139 _model->write_unlock();
140 _model->ContentsChanged(); /* EMIT SIGNAL */
144 MidiModel::DeltaCommand::marshal_note(const boost::shared_ptr< Evoral::Note<TimeType> > note)
146 XMLNode* xml_note = new XMLNode("note");
147 ostringstream note_str(ios::ate);
148 note_str << int(note->note());
149 xml_note->add_property("note", note_str.str());
151 ostringstream channel_str(ios::ate);
152 channel_str << int(note->channel());
153 xml_note->add_property("channel", channel_str.str());
155 ostringstream time_str(ios::ate);
156 time_str << int(note->time());
157 xml_note->add_property("time", time_str.str());
159 ostringstream length_str(ios::ate);
160 length_str <<(unsigned int) note->length();
161 xml_note->add_property("length", length_str.str());
163 ostringstream velocity_str(ios::ate);
164 velocity_str << (unsigned int) note->velocity();
165 xml_note->add_property("velocity", velocity_str.str());
170 boost::shared_ptr< Evoral::Note<MidiModel::TimeType> >
171 MidiModel::DeltaCommand::unmarshal_note(XMLNode *xml_note)
175 unsigned int channel;
178 unsigned int velocity;
180 if ((prop = xml_note->property("note")) != 0) {
181 istringstream note_str(prop->value());
184 warning << "note information missing note value" << endmsg;
188 if ((prop = xml_note->property("channel")) != 0) {
189 istringstream channel_str(prop->value());
190 channel_str >> channel;
192 warning << "note information missing channel" << endmsg;
196 if ((prop = xml_note->property("time")) != 0) {
197 istringstream time_str(prop->value());
200 warning << "note information missing time" << endmsg;
204 if ((prop = xml_note->property("length")) != 0) {
205 istringstream length_str(prop->value());
206 length_str >> length;
208 warning << "note information missing length" << endmsg;
212 if ((prop = xml_note->property("velocity")) != 0) {
213 istringstream velocity_str(prop->value());
214 velocity_str >> velocity;
216 warning << "note information missing velocity" << endmsg;
220 boost::shared_ptr< Evoral::Note<TimeType> > note_ptr(new Evoral::Note<TimeType>(
221 channel, time, length, note, velocity));
225 #define ADDED_NOTES_ELEMENT "added_notes"
226 #define REMOVED_NOTES_ELEMENT "removed_notes"
227 #define DELTA_COMMAND_ELEMENT "DeltaCommand"
230 MidiModel::DeltaCommand::set_state(const XMLNode& delta_command)
232 if (delta_command.name() != string(DELTA_COMMAND_ELEMENT)) {
236 _added_notes.clear();
237 XMLNode* added_notes = delta_command.child(ADDED_NOTES_ELEMENT);
238 XMLNodeList notes = added_notes->children();
239 transform(notes.begin(), notes.end(), back_inserter(_added_notes),
240 sigc::mem_fun(*this, &DeltaCommand::unmarshal_note));
242 _removed_notes.clear();
243 XMLNode* removed_notes = delta_command.child(REMOVED_NOTES_ELEMENT);
244 notes = removed_notes->children();
245 transform(notes.begin(), notes.end(), back_inserter(_removed_notes),
246 sigc::mem_fun(*this, &DeltaCommand::unmarshal_note));
252 MidiModel::DeltaCommand::get_state()
254 XMLNode* delta_command = new XMLNode(DELTA_COMMAND_ELEMENT);
255 delta_command->add_property("midi-source", _model->midi_source()->id().to_s());
257 XMLNode* added_notes = delta_command->add_child(ADDED_NOTES_ELEMENT);
258 for_each(_added_notes.begin(), _added_notes.end(), sigc::compose(
259 sigc::mem_fun(*added_notes, &XMLNode::add_child_nocopy),
260 sigc::mem_fun(*this, &DeltaCommand::marshal_note)));
262 XMLNode* removed_notes = delta_command->add_child(REMOVED_NOTES_ELEMENT);
263 for_each(_removed_notes.begin(), _removed_notes.end(), sigc::compose(
264 sigc::mem_fun(*removed_notes, &XMLNode::add_child_nocopy),
265 sigc::mem_fun(*this, &DeltaCommand::marshal_note)));
267 return *delta_command;
270 /** Write the model to a MidiSource (i.e. save the model).
271 * This is different from manually using read to write to a source in that
272 * note off events are written regardless of the track mode. This is so the
273 * user can switch a recorded track (with note durations from some instrument)
274 * to percussive, save, reload, then switch it back to sustained without
275 * destroying the original note durations.
278 MidiModel::write_to(boost::shared_ptr<MidiSource> source)
282 const bool old_percussive = percussive();
283 set_percussive(false);
285 source->drop_model();
287 for (Evoral::Sequence<TimeType>::const_iterator i = begin(); i != end(); ++i) {
288 source->append_event_unlocked_beats(*i);
291 set_percussive(old_percussive);
300 MidiModel::get_state()
302 XMLNode *node = new XMLNode("MidiModel");