Paul Davis
f6fdd8dcbf
git-svn-id: svn://localhost/ardour2/branches/3.0@6372 d708f5d6-7413-0410-9779-e7cbd77b26cf
751 lines
19 KiB
C++
751 lines
19 KiB
C++
/*
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Copyright (C) 2007 Paul Davis
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Author: Dave Robillard
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#define __STDC_LIMIT_MACROS 1
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#include <iostream>
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#include <algorithm>
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#include <stdexcept>
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#include <stdint.h>
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#include "pbd/error.h"
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#include "pbd/enumwriter.h"
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#include "midi++/events.h"
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#include "ardour/midi_model.h"
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#include "ardour/midi_source.h"
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#include "ardour/smf_source.h"
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#include "ardour/types.h"
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#include "ardour/session.h"
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using namespace std;
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using namespace ARDOUR;
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using namespace PBD;
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MidiModel::MidiModel(MidiSource* s, size_t size)
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: AutomatableSequence<TimeType>(s->session(), size)
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, _midi_source(s)
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{
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}
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/** Start a new Delta command.
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*
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* This has no side-effects on the model or Session, the returned command
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* can be held on to for as long as the caller wishes, or discarded without
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* formality, until apply_command is called and ownership is taken.
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*/
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MidiModel::DeltaCommand*
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MidiModel::new_delta_command(const string name)
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{
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DeltaCommand* cmd = new DeltaCommand(_midi_source->model(), name);
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return cmd;
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}
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/** Start a new Diff command.
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*
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* This has no side-effects on the model or Session, the returned command
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* can be held on to for as long as the caller wishes, or discarded without
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* formality, until apply_command is called and ownership is taken.
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*/
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MidiModel::DiffCommand*
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MidiModel::new_diff_command(const string name)
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{
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DiffCommand* cmd = new DiffCommand(_midi_source->model(), name);
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return cmd;
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}
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/** Apply a command.
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*
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* Ownership of cmd is taken, it must not be deleted by the caller.
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* The command will constitute one item on the undo stack.
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*/
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void
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MidiModel::apply_command(Session& session, Command* cmd)
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{
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session.begin_reversible_command(cmd->name());
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(*cmd)();
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session.commit_reversible_command(cmd);
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set_edited(true);
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}
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/** Apply a command as part of a larger reversible transaction
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*
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* Ownership of cmd is taken, it must not be deleted by the caller.
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* The command will constitute one item on the undo stack.
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*/
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void
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MidiModel::apply_command_as_subcommand(Session& session, Command* cmd)
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{
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(*cmd)();
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session.add_command(cmd);
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set_edited(true);
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}
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// DeltaCommand
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MidiModel::DeltaCommand::DeltaCommand(boost::shared_ptr<MidiModel> m, const std::string& name)
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: Command(name)
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, _model(m)
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, _name(name)
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{
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assert(_model);
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}
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MidiModel::DeltaCommand::DeltaCommand(boost::shared_ptr<MidiModel> m, const XMLNode& node)
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: _model(m)
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{
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assert(_model);
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set_state(node, Stateful::loading_state_version);
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}
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void
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MidiModel::DeltaCommand::add(const boost::shared_ptr< Evoral::Note<TimeType> > note)
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{
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_removed_notes.remove(note);
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_added_notes.push_back(note);
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}
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void
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MidiModel::DeltaCommand::remove(const boost::shared_ptr< Evoral::Note<TimeType> > note)
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{
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_added_notes.remove(note);
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_removed_notes.push_back(note);
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}
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void
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MidiModel::DeltaCommand::operator()()
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{
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// This could be made much faster by using a priority_queue for added and
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// removed notes (or sort here), and doing a single iteration over _model
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MidiModel::WriteLock lock(_model->edit_lock());
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for (NoteList::iterator i = _added_notes.begin(); i != _added_notes.end(); ++i) {
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_model->add_note_unlocked(*i);
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}
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for (NoteList::iterator i = _removed_notes.begin(); i != _removed_notes.end(); ++i) {
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_model->remove_note_unlocked(*i);
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}
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lock.reset();
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_model->ContentsChanged(); /* EMIT SIGNAL */
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}
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void
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MidiModel::DeltaCommand::undo()
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{
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// This could be made much faster by using a priority_queue for added and
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// removed notes (or sort here), and doing a single iteration over _model
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MidiModel::WriteLock lock(_model->edit_lock());;
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for (NoteList::iterator i = _added_notes.begin(); i != _added_notes.end(); ++i) {
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_model->remove_note_unlocked(*i);
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}
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for (NoteList::iterator i = _removed_notes.begin(); i != _removed_notes.end(); ++i) {
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_model->add_note_unlocked(*i);
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}
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lock.reset();
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_model->ContentsChanged(); /* EMIT SIGNAL */
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}
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XMLNode&
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MidiModel::DeltaCommand::marshal_note(const boost::shared_ptr< Evoral::Note<TimeType> > note)
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{
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XMLNode* xml_note = new XMLNode("note");
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ostringstream note_str(ios::ate);
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note_str << int(note->note());
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xml_note->add_property("note", note_str.str());
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ostringstream channel_str(ios::ate);
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channel_str << int(note->channel());
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xml_note->add_property("channel", channel_str.str());
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ostringstream time_str(ios::ate);
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time_str << int(note->time());
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xml_note->add_property("time", time_str.str());
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ostringstream length_str(ios::ate);
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length_str <<(unsigned int) note->length();
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xml_note->add_property("length", length_str.str());
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ostringstream velocity_str(ios::ate);
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velocity_str << (unsigned int) note->velocity();
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xml_note->add_property("velocity", velocity_str.str());
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return *xml_note;
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}
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boost::shared_ptr< Evoral::Note<MidiModel::TimeType> >
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MidiModel::DeltaCommand::unmarshal_note(XMLNode *xml_note)
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{
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unsigned int note;
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XMLProperty* prop;
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unsigned int channel;
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unsigned int time;
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unsigned int length;
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unsigned int velocity;
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if ((prop = xml_note->property("note")) != 0) {
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istringstream note_str(prop->value());
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note_str >> note;
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} else {
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warning << "note information missing note value" << endmsg;
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note = 127;
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}
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if ((prop = xml_note->property("channel")) != 0) {
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istringstream channel_str(prop->value());
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channel_str >> channel;
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} else {
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warning << "note information missing channel" << endmsg;
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channel = 0;
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}
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if ((prop = xml_note->property("time")) != 0) {
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istringstream time_str(prop->value());
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time_str >> time;
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} else {
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warning << "note information missing time" << endmsg;
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time = 0;
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}
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if ((prop = xml_note->property("length")) != 0) {
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istringstream length_str(prop->value());
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length_str >> length;
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} else {
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warning << "note information missing length" << endmsg;
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length = 1;
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}
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if ((prop = xml_note->property("velocity")) != 0) {
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istringstream velocity_str(prop->value());
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velocity_str >> velocity;
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} else {
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warning << "note information missing velocity" << endmsg;
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velocity = 127;
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}
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boost::shared_ptr< Evoral::Note<TimeType> > note_ptr(new Evoral::Note<TimeType>(
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channel, time, length, note, velocity));
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return note_ptr;
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}
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#define ADDED_NOTES_ELEMENT "AddedNotes"
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#define REMOVED_NOTES_ELEMENT "RemovedNotes"
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#define DELTA_COMMAND_ELEMENT "DeltaCommand"
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int
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MidiModel::DeltaCommand::set_state (const XMLNode& delta_command, int /*version*/)
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{
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if (delta_command.name() != string(DELTA_COMMAND_ELEMENT)) {
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return 1;
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}
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_added_notes.clear();
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XMLNode* added_notes = delta_command.child(ADDED_NOTES_ELEMENT);
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if (added_notes) {
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XMLNodeList notes = added_notes->children();
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transform(notes.begin(), notes.end(), back_inserter(_added_notes),
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boost::bind (&DeltaCommand::unmarshal_note, this, _1));
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}
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_removed_notes.clear();
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XMLNode* removed_notes = delta_command.child(REMOVED_NOTES_ELEMENT);
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if (removed_notes) {
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XMLNodeList notes = removed_notes->children();
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transform(notes.begin(), notes.end(), back_inserter(_removed_notes),
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boost::bind (&DeltaCommand::unmarshal_note, this, _1));
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}
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return 0;
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}
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XMLNode&
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MidiModel::DeltaCommand::get_state()
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{
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XMLNode* delta_command = new XMLNode(DELTA_COMMAND_ELEMENT);
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delta_command->add_property("midi-source", _model->midi_source()->id().to_s());
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XMLNode* added_notes = delta_command->add_child(ADDED_NOTES_ELEMENT);
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for_each(_added_notes.begin(), _added_notes.end(),
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boost::bind(
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boost::bind (&XMLNode::add_child_nocopy, *added_notes, _1),
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boost::bind (&DeltaCommand::marshal_note, this, _1)));
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XMLNode* removed_notes = delta_command->add_child(REMOVED_NOTES_ELEMENT);
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for_each(_removed_notes.begin(), _removed_notes.end(),
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boost::bind (
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boost::bind (&XMLNode::add_child_nocopy, *removed_notes, _1),
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boost::bind (&DeltaCommand::marshal_note, this, _1)));
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return *delta_command;
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}
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/************** DIFF COMMAND ********************/
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#define DIFF_NOTES_ELEMENT "ChangedNotes"
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#define DIFF_COMMAND_ELEMENT "DiffCommand"
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MidiModel::DiffCommand::DiffCommand(boost::shared_ptr<MidiModel> m, const std::string& name)
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: Command(name)
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, _model(m)
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, _name(name)
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{
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assert(_model);
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}
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MidiModel::DiffCommand::DiffCommand(boost::shared_ptr<MidiModel> m, const XMLNode& node)
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: _model(m)
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{
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assert(_model);
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set_state(node, Stateful::loading_state_version);
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}
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void
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MidiModel::DiffCommand::change(const boost::shared_ptr< Evoral::Note<TimeType> > note, Property prop,
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uint8_t new_value)
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{
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NotePropertyChange change;
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change.note = note;
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change.property = prop;
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change.new_value = new_value;
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switch (prop) {
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case NoteNumber:
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change.old_value = note->note();
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break;
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case Velocity:
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change.old_value = note->velocity();
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break;
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case StartTime:
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fatal << "MidiModel::DiffCommand::change() with integer argument called for start time" << endmsg;
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/*NOTREACHED*/
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break;
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case Length:
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fatal << "MidiModel::DiffCommand::change() with integer argument called for length" << endmsg;
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/*NOTREACHED*/
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break;
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case Channel:
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change.old_value = note->channel();
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break;
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}
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_changes.push_back (change);
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}
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void
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MidiModel::DiffCommand::change(const boost::shared_ptr< Evoral::Note<TimeType> > note, Property prop,
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TimeType new_time)
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{
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NotePropertyChange change;
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change.note = note;
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change.property = prop;
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change.new_time = new_time;
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switch (prop) {
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case NoteNumber:
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case Channel:
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case Velocity:
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fatal << "MidiModel::DiffCommand::change() with time argument called for note, channel or velocity" << endmsg;
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break;
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case StartTime:
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change.old_time = note->time();
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break;
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case Length:
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change.old_time = note->length();
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break;
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}
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_changes.push_back (change);
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}
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void
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MidiModel::DiffCommand::operator()()
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{
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MidiModel::WriteLock lock(_model->edit_lock());
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for (ChangeList::iterator i = _changes.begin(); i != _changes.end(); ++i) {
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Property prop = i->property;
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switch (prop) {
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case NoteNumber:
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i->note->set_note (i->new_value);
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break;
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case Velocity:
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i->note->set_velocity (i->new_value);
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break;
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case StartTime:
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i->note->set_time (i->new_time);
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break;
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case Length:
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i->note->set_length (i->new_time);
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break;
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case Channel:
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i->note->set_channel (i->new_value);
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break;
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}
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}
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lock.reset();
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_model->ContentsChanged(); /* EMIT SIGNAL */
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}
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void
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MidiModel::DiffCommand::undo()
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{
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MidiModel::WriteLock lock(_model->edit_lock());
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for (ChangeList::iterator i = _changes.begin(); i != _changes.end(); ++i) {
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Property prop = i->property;
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switch (prop) {
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case NoteNumber:
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i->note->set_note (i->old_value);
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break;
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case Velocity:
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i->note->set_velocity (i->old_value);
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break;
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case StartTime:
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i->note->set_time (i->old_time);
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break;
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case Length:
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i->note->set_length (i->old_time);
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break;
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case Channel:
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i->note->set_channel (i->old_value);
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break;
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}
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}
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lock.reset();
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_model->ContentsChanged(); /* EMIT SIGNAL */
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}
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XMLNode&
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MidiModel::DiffCommand::marshal_change(const NotePropertyChange& change)
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{
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XMLNode* xml_change = new XMLNode("change");
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/* first, the change itself */
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xml_change->add_property ("property", enum_2_string (change.property));
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{
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ostringstream old_value_str (ios::ate);
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if (change.property == StartTime || change.property == Length) {
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old_value_str << change.old_time;
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} else {
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old_value_str << (unsigned int) change.old_value;
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}
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xml_change->add_property ("old", old_value_str.str());
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}
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{
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ostringstream new_value_str (ios::ate);
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if (change.property == StartTime || change.property == Length) {
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new_value_str << change.new_time;
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} else {
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new_value_str << (unsigned int) change.new_value;
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}
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xml_change->add_property ("new", new_value_str.str());
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}
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/* now the rest of the note */
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const SMFSource* smf = dynamic_cast<const SMFSource*> (_model->midi_source());
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if (change.property != NoteNumber) {
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ostringstream note_str;
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note_str << int(change.note->note());
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xml_change->add_property("note", note_str.str());
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}
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if (change.property != Channel) {
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ostringstream channel_str;
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channel_str << int(change.note->channel());
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xml_change->add_property("channel", channel_str.str());
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}
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if (change.property != StartTime) {
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ostringstream time_str;
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if (smf) {
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time_str << smf->round_to_file_precision (change.note->time());
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} else {
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time_str << change.note->time();
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}
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xml_change->add_property("time", time_str.str());
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}
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if (change.property != Length) {
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ostringstream length_str;
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if (smf) {
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length_str << smf->round_to_file_precision (change.note->length());
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} else {
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length_str << change.note->length();
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}
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xml_change->add_property ("length", length_str.str());
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}
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if (change.property != Velocity) {
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ostringstream velocity_str;
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velocity_str << int (change.note->velocity());
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xml_change->add_property("velocity", velocity_str.str());
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}
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return *xml_change;
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}
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MidiModel::DiffCommand::NotePropertyChange
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MidiModel::DiffCommand::unmarshal_change(XMLNode *xml_change)
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{
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XMLProperty* prop;
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NotePropertyChange change;
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unsigned int note;
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unsigned int channel;
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unsigned int velocity;
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Evoral::MusicalTime time;
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Evoral::MusicalTime length;
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if ((prop = xml_change->property("property")) != 0) {
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change.property = (Property) string_2_enum (prop->value(), change.property);
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} else {
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fatal << "!!!" << endmsg;
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/*NOTREACHED*/
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}
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if ((prop = xml_change->property ("old")) != 0) {
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istringstream old_str (prop->value());
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if (change.property == StartTime || change.property == Length) {
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old_str >> change.old_time;
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} else {
|
|
int integer_value_so_that_istream_does_the_right_thing;
|
|
old_str >> integer_value_so_that_istream_does_the_right_thing;
|
|
change.old_value = integer_value_so_that_istream_does_the_right_thing;
|
|
}
|
|
} else {
|
|
fatal << "!!!" << endmsg;
|
|
/*NOTREACHED*/
|
|
}
|
|
|
|
if ((prop = xml_change->property ("new")) != 0) {
|
|
istringstream new_str (prop->value());
|
|
if (change.property == StartTime || change.property == Length) {
|
|
new_str >> change.new_time;
|
|
} else {
|
|
int integer_value_so_that_istream_does_the_right_thing;
|
|
new_str >> integer_value_so_that_istream_does_the_right_thing;
|
|
change.new_value = integer_value_so_that_istream_does_the_right_thing;
|
|
}
|
|
} else {
|
|
fatal << "!!!" << endmsg;
|
|
/*NOTREACHED*/
|
|
}
|
|
|
|
if (change.property != NoteNumber) {
|
|
if ((prop = xml_change->property("note")) != 0) {
|
|
istringstream note_str(prop->value());
|
|
note_str >> note;
|
|
} else {
|
|
warning << "note information missing note value" << endmsg;
|
|
note = 127;
|
|
}
|
|
} else {
|
|
note = change.new_value;
|
|
}
|
|
|
|
if (change.property != Channel) {
|
|
if ((prop = xml_change->property("channel")) != 0) {
|
|
istringstream channel_str(prop->value());
|
|
channel_str >> channel;
|
|
} else {
|
|
warning << "note information missing channel" << endmsg;
|
|
channel = 0;
|
|
}
|
|
} else {
|
|
channel = change.new_value;
|
|
}
|
|
|
|
if (change.property != StartTime) {
|
|
if ((prop = xml_change->property("time")) != 0) {
|
|
istringstream time_str(prop->value());
|
|
time_str >> time;
|
|
} else {
|
|
warning << "note information missing time" << endmsg;
|
|
time = 0;
|
|
}
|
|
} else {
|
|
time = change.new_time;
|
|
}
|
|
|
|
if (change.property != Length) {
|
|
if ((prop = xml_change->property("length")) != 0) {
|
|
istringstream length_str(prop->value());
|
|
length_str >> length;
|
|
} else {
|
|
warning << "note information missing length" << endmsg;
|
|
length = 1;
|
|
}
|
|
} else {
|
|
length = change.new_time;
|
|
}
|
|
|
|
if (change.property != Velocity) {
|
|
if ((prop = xml_change->property("velocity")) != 0) {
|
|
istringstream velocity_str(prop->value());
|
|
velocity_str >> velocity;
|
|
} else {
|
|
warning << "note information missing velocity" << endmsg;
|
|
velocity = 127;
|
|
}
|
|
} else {
|
|
velocity = change.new_value;
|
|
}
|
|
|
|
/* we must point at the instance of the note that is actually in the model.
|
|
so go look for it ...
|
|
*/
|
|
|
|
boost::shared_ptr<Evoral::Note<TimeType> > new_note (new Evoral::Note<TimeType> (channel, time, length, note, velocity));
|
|
|
|
change.note = _model->find_note (new_note);
|
|
|
|
if (!change.note) {
|
|
warning << "MIDI note " << *new_note << " not found in model - programmers should investigate this" << endmsg;
|
|
/* use the actual new note */
|
|
change.note = new_note;
|
|
}
|
|
|
|
return change;
|
|
}
|
|
|
|
int
|
|
MidiModel::DiffCommand::set_state(const XMLNode& diff_command, int /*version*/)
|
|
{
|
|
if (diff_command.name() != string(DIFF_COMMAND_ELEMENT)) {
|
|
return 1;
|
|
}
|
|
|
|
_changes.clear();
|
|
|
|
XMLNode* changed_notes = diff_command.child(DIFF_NOTES_ELEMENT);
|
|
|
|
if (changed_notes) {
|
|
XMLNodeList notes = changed_notes->children();
|
|
transform (notes.begin(), notes.end(), back_inserter(_changes),
|
|
boost::bind (&DiffCommand::unmarshal_change, this, _1));
|
|
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
XMLNode&
|
|
MidiModel::DiffCommand::get_state ()
|
|
{
|
|
XMLNode* diff_command = new XMLNode(DIFF_COMMAND_ELEMENT);
|
|
diff_command->add_property("midi-source", _model->midi_source()->id().to_s());
|
|
|
|
XMLNode* changes = diff_command->add_child(DIFF_NOTES_ELEMENT);
|
|
for_each(_changes.begin(), _changes.end(),
|
|
boost::bind (
|
|
boost::bind (&XMLNode::add_child_nocopy, *changes, _1),
|
|
boost::bind (&DiffCommand::marshal_change, this, _1)));
|
|
|
|
return *diff_command;
|
|
}
|
|
|
|
/** Write the model to a MidiSource (i.e. save the model).
|
|
* This is different from manually using read to write to a source in that
|
|
* note off events are written regardless of the track mode. This is so the
|
|
* user can switch a recorded track (with note durations from some instrument)
|
|
* to percussive, save, reload, then switch it back to sustained without
|
|
* destroying the original note durations.
|
|
*/
|
|
bool
|
|
MidiModel::write_to(boost::shared_ptr<MidiSource> source)
|
|
{
|
|
ReadLock lock(read_lock());
|
|
|
|
const bool old_percussive = percussive();
|
|
set_percussive(false);
|
|
|
|
source->drop_model();
|
|
source->mark_streaming_midi_write_started(note_mode(), _midi_source->timeline_position());
|
|
|
|
for (Evoral::Sequence<TimeType>::const_iterator i = begin(); i != end(); ++i) {
|
|
source->append_event_unlocked_beats(*i);
|
|
}
|
|
|
|
set_percussive(old_percussive);
|
|
source->mark_streaming_write_completed();
|
|
|
|
set_edited(false);
|
|
|
|
return true;
|
|
}
|
|
|
|
XMLNode&
|
|
MidiModel::get_state()
|
|
{
|
|
XMLNode *node = new XMLNode("MidiModel");
|
|
return *node;
|
|
}
|
|
|
|
boost::shared_ptr<Evoral::Note<MidiModel::TimeType> >
|
|
MidiModel::find_note (boost::shared_ptr<Evoral::Note<TimeType> > other)
|
|
{
|
|
Notes::iterator l = notes().lower_bound(other);
|
|
|
|
if (l != notes().end()) {
|
|
for (; (*l)->time() == other->time(); ++l) {
|
|
if (*l == other) {
|
|
return *l;
|
|
}
|
|
}
|
|
}
|
|
|
|
return boost::shared_ptr<Evoral::Note<TimeType> >();
|
|
}
|
|
|
|
/** Lock and invalidate the source.
|
|
* This should be used by commands and editing things
|
|
*/
|
|
MidiModel::WriteLock
|
|
MidiModel::edit_lock()
|
|
{
|
|
Glib::Mutex::Lock* source_lock = new Glib::Mutex::Lock(_midi_source->mutex());
|
|
_midi_source->invalidate(); // Release cached iterator's read lock on model
|
|
return WriteLock(new WriteLockImpl(source_lock, _lock, _control_lock));
|
|
}
|
|
|
|
/** Lock just the model, the source lock must already be held.
|
|
* This should only be called from libardour/evoral places
|
|
*/
|
|
MidiModel::WriteLock
|
|
MidiModel::write_lock()
|
|
{
|
|
assert(!_midi_source->mutex().trylock());
|
|
return WriteLock(new WriteLockImpl(NULL, _lock, _control_lock));
|
|
}
|