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);
73 /** Apply a command as part of a larger reversible transaction
75 * Ownership of cmd is taken, it must not be deleted by the caller.
76 * The command will constitute one item on the undo stack.
79 MidiModel::apply_command_as_subcommand(Session& session, Command* cmd)
82 session.add_command(cmd);
89 MidiModel::DeltaCommand::DeltaCommand(boost::shared_ptr<MidiModel> m, const std::string& name)
97 MidiModel::DeltaCommand::DeltaCommand(boost::shared_ptr<MidiModel> m, const XMLNode& node)
105 MidiModel::DeltaCommand::add(const boost::shared_ptr< Evoral::Note<TimeType> > note)
107 _removed_notes.remove(note);
108 _added_notes.push_back(note);
112 MidiModel::DeltaCommand::remove(const boost::shared_ptr< Evoral::Note<TimeType> > note)
114 _added_notes.remove(note);
115 _removed_notes.push_back(note);
119 MidiModel::DeltaCommand::operator()()
121 // This could be made much faster by using a priority_queue for added and
122 // removed notes (or sort here), and doing a single iteration over _model
124 Glib::Mutex::Lock lm (_model->_midi_source->mutex());
125 _model->_midi_source->invalidate(); // release model read lock
126 _model->write_lock();
128 for (NoteList::iterator i = _added_notes.begin(); i != _added_notes.end(); ++i) {
129 _model->add_note_unlocked(*i);
132 for (NoteList::iterator i = _removed_notes.begin(); i != _removed_notes.end(); ++i) {
133 _model->remove_note_unlocked(*i);
136 _model->write_unlock();
137 _model->ContentsChanged(); /* EMIT SIGNAL */
141 MidiModel::DeltaCommand::undo()
143 // This could be made much faster by using a priority_queue for added and
144 // removed notes (or sort here), and doing a single iteration over _model
146 Glib::Mutex::Lock lm (_model->_midi_source->mutex());
147 _model->_midi_source->invalidate(); // release model read lock
148 _model->write_lock();
150 for (NoteList::iterator i = _added_notes.begin(); i != _added_notes.end(); ++i) {
151 _model->remove_note_unlocked(*i);
154 for (NoteList::iterator i = _removed_notes.begin(); i != _removed_notes.end(); ++i) {
155 _model->add_note_unlocked(*i);
158 _model->write_unlock();
159 _model->ContentsChanged(); /* EMIT SIGNAL */
163 MidiModel::DeltaCommand::marshal_note(const boost::shared_ptr< Evoral::Note<TimeType> > note)
165 XMLNode* xml_note = new XMLNode("note");
166 ostringstream note_str(ios::ate);
167 note_str << int(note->note());
168 xml_note->add_property("note", note_str.str());
170 ostringstream channel_str(ios::ate);
171 channel_str << int(note->channel());
172 xml_note->add_property("channel", channel_str.str());
174 ostringstream time_str(ios::ate);
175 time_str << int(note->time());
176 xml_note->add_property("time", time_str.str());
178 ostringstream length_str(ios::ate);
179 length_str <<(unsigned int) note->length();
180 xml_note->add_property("length", length_str.str());
182 ostringstream velocity_str(ios::ate);
183 velocity_str << (unsigned int) note->velocity();
184 xml_note->add_property("velocity", velocity_str.str());
189 boost::shared_ptr< Evoral::Note<MidiModel::TimeType> >
190 MidiModel::DeltaCommand::unmarshal_note(XMLNode *xml_note)
194 unsigned int channel;
197 unsigned int velocity;
199 if ((prop = xml_note->property("note")) != 0) {
200 istringstream note_str(prop->value());
203 warning << "note information missing note value" << endmsg;
207 if ((prop = xml_note->property("channel")) != 0) {
208 istringstream channel_str(prop->value());
209 channel_str >> channel;
211 warning << "note information missing channel" << endmsg;
215 if ((prop = xml_note->property("time")) != 0) {
216 istringstream time_str(prop->value());
219 warning << "note information missing time" << endmsg;
223 if ((prop = xml_note->property("length")) != 0) {
224 istringstream length_str(prop->value());
225 length_str >> length;
227 warning << "note information missing length" << endmsg;
231 if ((prop = xml_note->property("velocity")) != 0) {
232 istringstream velocity_str(prop->value());
233 velocity_str >> velocity;
235 warning << "note information missing velocity" << endmsg;
239 boost::shared_ptr< Evoral::Note<TimeType> > note_ptr(new Evoral::Note<TimeType>(
240 channel, time, length, note, velocity));
244 #define ADDED_NOTES_ELEMENT "added_notes"
245 #define REMOVED_NOTES_ELEMENT "removed_notes"
246 #define DELTA_COMMAND_ELEMENT "DeltaCommand"
249 MidiModel::DeltaCommand::set_state(const XMLNode& delta_command)
251 if (delta_command.name() != string(DELTA_COMMAND_ELEMENT)) {
255 _added_notes.clear();
256 XMLNode* added_notes = delta_command.child(ADDED_NOTES_ELEMENT);
257 XMLNodeList notes = added_notes->children();
258 transform(notes.begin(), notes.end(), back_inserter(_added_notes),
259 sigc::mem_fun(*this, &DeltaCommand::unmarshal_note));
261 _removed_notes.clear();
262 XMLNode* removed_notes = delta_command.child(REMOVED_NOTES_ELEMENT);
263 notes = removed_notes->children();
264 transform(notes.begin(), notes.end(), back_inserter(_removed_notes),
265 sigc::mem_fun(*this, &DeltaCommand::unmarshal_note));
271 MidiModel::DeltaCommand::get_state()
273 XMLNode* delta_command = new XMLNode(DELTA_COMMAND_ELEMENT);
274 delta_command->add_property("midi-source", _model->midi_source()->id().to_s());
276 XMLNode* added_notes = delta_command->add_child(ADDED_NOTES_ELEMENT);
277 for_each(_added_notes.begin(), _added_notes.end(), sigc::compose(
278 sigc::mem_fun(*added_notes, &XMLNode::add_child_nocopy),
279 sigc::mem_fun(*this, &DeltaCommand::marshal_note)));
281 XMLNode* removed_notes = delta_command->add_child(REMOVED_NOTES_ELEMENT);
282 for_each(_removed_notes.begin(), _removed_notes.end(), sigc::compose(
283 sigc::mem_fun(*removed_notes, &XMLNode::add_child_nocopy),
284 sigc::mem_fun(*this, &DeltaCommand::marshal_note)));
286 return *delta_command;
289 /** Write the model to a MidiSource (i.e. save the model).
290 * This is different from manually using read to write to a source in that
291 * note off events are written regardless of the track mode. This is so the
292 * user can switch a recorded track (with note durations from some instrument)
293 * to percussive, save, reload, then switch it back to sustained without
294 * destroying the original note durations.
297 MidiModel::write_to(boost::shared_ptr<MidiSource> source)
301 const bool old_percussive = percussive();
302 set_percussive(false);
304 source->drop_model();
306 for (Evoral::Sequence<TimeType>::const_iterator i = begin(); i != end(); ++i) {
307 source->append_event_unlocked_beats(*i);
310 set_percussive(old_percussive);
319 MidiModel::get_state()
321 XMLNode *node = new XMLNode("MidiModel");