X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fmidi_model.cc;h=57cbb70cfdd587831b69773d99e0e05bd9f64d6d;hb=806a22fefe8bc79c0307a6c3f6bfbde1185e7574;hp=4e755d8717d53666a494a3f575bf332e13d79e51;hpb=9462374e29596fde2180b0e38b8aaec3b0a3f01e;p=ardour.git diff --git a/libs/ardour/midi_model.cc b/libs/ardour/midi_model.cc index 4e755d8717..57cbb70cfd 100644 --- a/libs/ardour/midi_model.cc +++ b/libs/ardour/midi_model.cc @@ -1,58 +1,60 @@ /* - Copyright (C) 2007 Paul Davis - Written by Dave Robillard, 2007 + Copyright (C) 2007 Paul Davis + Author: Dave Robillard - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ +*/ #define __STDC_LIMIT_MACROS 1 - +#include #include #include #include #include -#include -#include -#include +#include "pbd/error.h" +#include "pbd/enumwriter.h" +#include "midi++/events.h" -#include -#include -#include -#include +#include "ardour/midi_model.h" +#include "ardour/midi_source.h" +#include "ardour/midi_state_tracker.h" +#include "ardour/smf_source.h" +#include "ardour/types.h" +#include "ardour/session.h" using namespace std; using namespace ARDOUR; using namespace PBD; -MidiModel::MidiModel(MidiSource *s, size_t size) - : AutomatableSequence(s->session(), size) +MidiModel::MidiModel(MidiSource* s) + : AutomatableSequence(s->session()) , _midi_source(s) { - //cerr << "MidiModel \"" << s->name() << "\" constructed: " << this << endl; } -/** Start a new command. +/** Start a new Diff command. * * This has no side-effects on the model or Session, the returned command * can be held on to for as long as the caller wishes, or discarded without * formality, until apply_command is called and ownership is taken. */ -MidiModel::DeltaCommand* MidiModel::new_delta_command(const string name) +MidiModel::DiffCommand* +MidiModel::new_diff_command(const string name) { - DeltaCommand* cmd = new DeltaCommand(_midi_source->model(), name); + DiffCommand* cmd = new DiffCommand(_midi_source->model(), name); return cmd; } @@ -70,248 +72,1044 @@ MidiModel::apply_command(Session& session, Command* cmd) set_edited(true); } +/** Apply a command as part of a larger reversible transaction + * + * Ownership of cmd is taken, it must not be deleted by the caller. + * The command will constitute one item on the undo stack. + */ +void +MidiModel::apply_command_as_subcommand(Session& session, Command* cmd) +{ + (*cmd)(); + session.add_command(cmd); + set_edited(true); +} + +/************** DIFF COMMAND ********************/ -// DeltaCommand +#define DIFF_COMMAND_ELEMENT "DiffCommand" +#define DIFF_NOTES_ELEMENT "ChangedNotes" +#define ADDED_NOTES_ELEMENT "AddedNotes" +#define REMOVED_NOTES_ELEMENT "RemovedNotes" +#define SIDE_EFFECT_REMOVALS_ELEMENT "SideEffectRemovals" -MidiModel::DeltaCommand::DeltaCommand(boost::shared_ptr m, - const std::string& name) +MidiModel::DiffCommand::DiffCommand(boost::shared_ptr m, const std::string& name) : Command(name) , _model(m) , _name(name) { + assert(_model); } -MidiModel::DeltaCommand::DeltaCommand(boost::shared_ptr m, - const XMLNode& node) +MidiModel::DiffCommand::DiffCommand(boost::shared_ptr m, const XMLNode& node) : _model(m) { - set_state(node); + assert(_model); + set_state(node, Stateful::loading_state_version); } void -MidiModel::DeltaCommand::add(const boost::shared_ptr< Evoral::Note > note) +MidiModel::DiffCommand::add(const NotePtr note) { - //cerr << "MEC: apply" << endl; _removed_notes.remove(note); _added_notes.push_back(note); } void -MidiModel::DeltaCommand::remove(const boost::shared_ptr< Evoral::Note > note) +MidiModel::DiffCommand::remove(const NotePtr note) { - //cerr << "MEC: remove" << endl; _added_notes.remove(note); _removed_notes.push_back(note); } void -MidiModel::DeltaCommand::operator()() +MidiModel::DiffCommand::side_effect_remove(const NotePtr note) { - // This could be made much faster by using a priority_queue for added and - // removed notes (or sort here), and doing a single iteration over _model - - _model->write_lock(); + side_effect_removals.insert (note); +} - // Store the current seek position so we can restore the read iterator - // after modifying the contents of the model - const TimeType read_time = _model->read_time(); + void + MidiModel::DiffCommand::change(const NotePtr note, Property prop, + uint8_t new_value) + { + NoteChange change; - for (NoteList::iterator i = _added_notes.begin(); i != _added_notes.end(); ++i) - _model->add_note_unlocked(*i); + switch (prop) { + case NoteNumber: + if (new_value == note->note()) { + return; + } + change.old_value = note->note(); + break; + case Velocity: + if (new_value == note->velocity()) { + return; + } + change.old_value = note->velocity(); + break; + case Channel: + if (new_value == note->channel()) { + return; + } + change.old_value = note->channel(); + break; - for (NoteList::iterator i = _removed_notes.begin(); i != _removed_notes.end(); ++i) - _model->remove_note_unlocked(*i); - _model->write_unlock(); - // FIXME: race? - _model->read_seek(read_time); // restore read position + case StartTime: + fatal << "MidiModel::DiffCommand::change() with integer argument called for start time" << endmsg; + /*NOTREACHED*/ + break; + case Length: + fatal << "MidiModel::DiffCommand::change() with integer argument called for length" << endmsg; + /*NOTREACHED*/ + break; + } - _model->ContentsChanged(); /* EMIT SIGNAL */ -} + change.note = note; + change.property = prop; + change.new_value = new_value; -void -MidiModel::DeltaCommand::undo() -{ - // This could be made much faster by using a priority_queue for added and - // removed notes (or sort here), and doing a single iteration over _model - - _model->write_lock(); + _changes.push_back (change); + } - // Store the current seek position so we can restore the read iterator - // after modifying the contents of the model - const TimeType read_time = _model->read_time(); + void + MidiModel::DiffCommand::change(const NotePtr note, Property prop, + TimeType new_time) + { + NoteChange change; - for (NoteList::iterator i = _added_notes.begin(); i != _added_notes.end(); ++i) - _model->remove_note_unlocked(*i); + switch (prop) { + case NoteNumber: + case Channel: + case Velocity: + fatal << "MidiModel::DiffCommand::change() with time argument called for note, channel or velocity" << endmsg; + break; - for (NoteList::iterator i = _removed_notes.begin(); i != _removed_notes.end(); ++i) - _model->add_note_unlocked(*i); + case StartTime: + if (Evoral::musical_time_equal (note->time(), new_time)) { + return; + } + change.old_time = note->time(); + break; + case Length: + if (Evoral::musical_time_equal (note->length(), new_time)) { + return; + } + change.old_time = note->length(); + break; + } - _model->write_unlock(); - // FIXME: race? - _model->read_seek(read_time); // restore read position + change.note = note; + change.property = prop; + change.new_time = new_time; - _model->ContentsChanged(); /* EMIT SIGNAL */ -} + _changes.push_back (change); + } -XMLNode& -MidiModel::DeltaCommand::marshal_note(const boost::shared_ptr< Evoral::Note > note) -{ - XMLNode *xml_note = new XMLNode("note"); - ostringstream note_str(ios::ate); - note_str << int(note->note()); - xml_note->add_property("note", note_str.str()); + MidiModel::DiffCommand& + MidiModel::DiffCommand::operator+= (const DiffCommand& other) + { + if (this == &other) { + return *this; + } - ostringstream channel_str(ios::ate); - channel_str << int(note->channel()); - xml_note->add_property("channel", channel_str.str()); + if (_model != other._model) { + return *this; + } - ostringstream time_str(ios::ate); - time_str << int(note->time()); - xml_note->add_property("time", time_str.str()); + _added_notes.insert (_added_notes.end(), other._added_notes.begin(), other._added_notes.end()); + _removed_notes.insert (_removed_notes.end(), other._removed_notes.begin(), other._removed_notes.end()); + side_effect_removals.insert (other.side_effect_removals.begin(), other.side_effect_removals.end()); + _changes.insert (_changes.end(), other._changes.begin(), other._changes.end()); - ostringstream length_str(ios::ate); - length_str <<(unsigned int) note->length(); - xml_note->add_property("length", length_str.str()); + return *this; + } - ostringstream velocity_str(ios::ate); - velocity_str << (unsigned int) note->velocity(); - xml_note->add_property("velocity", velocity_str.str()); + void + MidiModel::DiffCommand::operator()() + { + { + MidiModel::WriteLock lock(_model->edit_lock()); - return *xml_note; -} + for (NoteList::iterator i = _added_notes.begin(); i != _added_notes.end(); ++i) { + if (!_model->add_note_unlocked(*i)) { + /* failed to add it, so don't leave it in the removed list, to + avoid apparent errors on undo. + */ + _removed_notes.remove (*i); + } + } -boost::shared_ptr< Evoral::Note > -MidiModel::DeltaCommand::unmarshal_note(XMLNode *xml_note) -{ - unsigned int note; - XMLProperty* prop; - unsigned int channel; - unsigned int time; - unsigned int length; - unsigned int velocity; - - if ((prop = xml_note->property("note")) != 0) { - istringstream note_str(prop->value()); - note_str >> note; - } else { - warning << "note information missing note value" << endmsg; - note = 127; - } - - if ((prop = xml_note->property("channel")) != 0) { - istringstream channel_str(prop->value()); - channel_str >> channel; - } else { - warning << "note information missing channel" << endmsg; - channel = 0; - } - - if ((prop = xml_note->property("time")) != 0) { - istringstream time_str(prop->value()); - time_str >> time; - } else { - warning << "note information missing time" << endmsg; - time = 0; - } - - if ((prop = xml_note->property("length")) != 0) { - istringstream length_str(prop->value()); - length_str >> length; - } else { - warning << "note information missing length" << endmsg; - note = 1; - } - - if ((prop = xml_note->property("velocity")) != 0) { - istringstream velocity_str(prop->value()); - velocity_str >> velocity; - } else { - warning << "note information missing velocity" << endmsg; - velocity = 127; - } - - boost::shared_ptr< Evoral::Note > note_ptr(new Evoral::Note( - channel, time, length, note, velocity)); - return note_ptr; -} + for (NoteList::iterator i = _removed_notes.begin(); i != _removed_notes.end(); ++i) { + _model->remove_note_unlocked(*i); + } -#define ADDED_NOTES_ELEMENT "added_notes" -#define REMOVED_NOTES_ELEMENT "removed_notes" -#define DELTA_COMMAND_ELEMENT "DeltaCommand" + /* notes we modify in a way that requires remove-then-add to maintain ordering */ + set temporary_removals; -int -MidiModel::DeltaCommand::set_state(const XMLNode& delta_command) -{ - if (delta_command.name() != string(DELTA_COMMAND_ELEMENT)) { - return 1; - } - - _added_notes.clear(); - XMLNode *added_notes = delta_command.child(ADDED_NOTES_ELEMENT); - XMLNodeList notes = added_notes->children(); - transform(notes.begin(), notes.end(), back_inserter(_added_notes), - sigc::mem_fun(*this, &DeltaCommand::unmarshal_note)); - - _removed_notes.clear(); - XMLNode *removed_notes = delta_command.child(REMOVED_NOTES_ELEMENT); - notes = removed_notes->children(); - transform(notes.begin(), notes.end(), back_inserter(_removed_notes), - sigc::mem_fun(*this, &DeltaCommand::unmarshal_note)); - - return 0; -} + for (ChangeList::iterator i = _changes.begin(); i != _changes.end(); ++i) { + Property prop = i->property; + switch (prop) { + case NoteNumber: + if (temporary_removals.find (i->note) == temporary_removals.end()) { + _model->remove_note_unlocked (i->note); + temporary_removals.insert (i->note); + } + i->note->set_note (i->new_value); + break; -XMLNode& -MidiModel::DeltaCommand::get_state() -{ - XMLNode *delta_command = new XMLNode(DELTA_COMMAND_ELEMENT); - delta_command->add_property("midi-source", _model->midi_source()->id().to_s()); + case StartTime: + if (temporary_removals.find (i->note) == temporary_removals.end()) { + _model->remove_note_unlocked (i->note); + temporary_removals.insert (i->note); - XMLNode *added_notes = delta_command->add_child(ADDED_NOTES_ELEMENT); - for_each(_added_notes.begin(), _added_notes.end(), sigc::compose( - sigc::mem_fun(*added_notes, &XMLNode::add_child_nocopy), - sigc::mem_fun(*this, &DeltaCommand::marshal_note))); + } + i->note->set_time (i->new_time); + break; - XMLNode *removed_notes = delta_command->add_child(REMOVED_NOTES_ELEMENT); - for_each(_removed_notes.begin(), _removed_notes.end(), sigc::compose( - sigc::mem_fun(*removed_notes, &XMLNode::add_child_nocopy), - sigc::mem_fun(*this, &DeltaCommand::marshal_note))); + case Channel: + if (temporary_removals.find (i->note) == temporary_removals.end()) { + _model->remove_note_unlocked (i->note); + temporary_removals.insert (i->note); + } + i->note->set_channel (i->new_value); + break; - return *delta_command; -} + /* no remove-then-add required for these properties, since we do not index them + */ -/** 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 source) -{ - read_lock(); - - const bool old_percussive = percussive(); - set_percussive(false); - - for (Evoral::Sequence::const_iterator i = begin(); i != end(); ++i) { - source->append_event_unlocked(Frames, *i); - } - - set_percussive(old_percussive); - - read_unlock(); - set_edited(false); - - return true; -} + case Velocity: + i->note->set_velocity (i->new_value); + break; + + case Length: + i->note->set_length (i->new_time); + break; + + } + } + + + for (set::iterator i = temporary_removals.begin(); i != temporary_removals.end(); ++i) { + DiffCommand side_effects (model(), "side effects"); + _model->add_note_unlocked (*i, &side_effects); + *this += side_effects; + } + + if (!side_effect_removals.empty()) { + cerr << "SER: \n"; + for (set::iterator i = side_effect_removals.begin(); i != side_effect_removals.end(); ++i) { + cerr << "\t" << *i << ' ' << **i << endl; + } + } + } + + _model->ContentsChanged(); /* EMIT SIGNAL */ + } + + void + MidiModel::DiffCommand::undo() + { + { + MidiModel::WriteLock lock(_model->edit_lock()); + + for (NoteList::iterator i = _added_notes.begin(); i != _added_notes.end(); ++i) { + _model->remove_note_unlocked(*i); + } + + for (NoteList::iterator i = _removed_notes.begin(); i != _removed_notes.end(); ++i) { + _model->add_note_unlocked(*i); + } + + /* notes we modify in a way that requires remove-then-add to maintain ordering */ + set temporary_removals; + + for (ChangeList::iterator i = _changes.begin(); i != _changes.end(); ++i) { + Property prop = i->property; + switch (prop) { + case NoteNumber: + if (temporary_removals.find (i->note) == temporary_removals.end()) { + _model->remove_note_unlocked (i->note); + temporary_removals.insert (i->note); + } + i->note->set_note (i->old_value); + break; + case Velocity: + i->note->set_velocity (i->old_value); + break; + case StartTime: + if (temporary_removals.find (i->note) == temporary_removals.end()) { + _model->remove_note_unlocked (i->note); + temporary_removals.insert (i->note); + } + i->note->set_time (i->old_time); + break; + case Length: + i->note->set_length (i->old_time); + break; + case Channel: + if (temporary_removals.find (i->note) == temporary_removals.end()) { + _model->remove_note_unlocked (i->note); + temporary_removals.insert (i->note); + } + i->note->set_channel (i->old_value); + break; + } + } + + for (set::iterator i = temporary_removals.begin(); i != temporary_removals.end(); ++i) { + _model->add_note_unlocked (*i); + } + + /* finally add back notes that were removed by the "do". we don't care + about side effects here since the model should be back to its original + state once this is done. + */ + + for (set::iterator i = side_effect_removals.begin(); i != side_effect_removals.end(); ++i) { + _model->add_note_unlocked (*i); + } + } + + _model->ContentsChanged(); /* EMIT SIGNAL */ + } + + XMLNode& + MidiModel::DiffCommand::marshal_note(const NotePtr note) + { + XMLNode* xml_note = new XMLNode("note"); + + cerr << "Marshalling note: " << *note << endl; + + ostringstream note_str(ios::ate); + note_str << int(note->note()); + xml_note->add_property("note", note_str.str()); + + ostringstream channel_str(ios::ate); + channel_str << int(note->channel()); + xml_note->add_property("channel", channel_str.str()); + + ostringstream time_str(ios::ate); + time_str << note->time(); + xml_note->add_property("time", time_str.str()); + + ostringstream length_str(ios::ate); + length_str << note->length(); + xml_note->add_property("length", length_str.str()); + + ostringstream velocity_str(ios::ate); + velocity_str << (unsigned int) note->velocity(); + xml_note->add_property("velocity", velocity_str.str()); + + return *xml_note; + } + + Evoral::Sequence::NotePtr + MidiModel::DiffCommand::unmarshal_note(XMLNode *xml_note) + { + unsigned int note; + XMLProperty* prop; + unsigned int channel; + unsigned int time; + unsigned int length; + unsigned int velocity; + + if ((prop = xml_note->property("note")) != 0) { + istringstream note_str(prop->value()); + note_str >> note; + } else { + warning << "note information missing note value" << endmsg; + note = 127; + } + + if ((prop = xml_note->property("channel")) != 0) { + istringstream channel_str(prop->value()); + channel_str >> channel; + } else { + warning << "note information missing channel" << endmsg; + channel = 0; + } + + if ((prop = xml_note->property("time")) != 0) { + istringstream time_str(prop->value()); + time_str >> time; + } else { + warning << "note information missing time" << endmsg; + time = 0; + } + + if ((prop = xml_note->property("length")) != 0) { + istringstream length_str(prop->value()); + length_str >> length; + } else { + warning << "note information missing length" << endmsg; + length = 1; + } + + if ((prop = xml_note->property("velocity")) != 0) { + istringstream velocity_str(prop->value()); + velocity_str >> velocity; + } else { + warning << "note information missing velocity" << endmsg; + velocity = 127; + } + + NotePtr note_ptr(new Evoral::Note(channel, time, length, note, velocity)); + + return note_ptr; + } + + XMLNode& + MidiModel::DiffCommand::marshal_change(const NoteChange& change) + { + XMLNode* xml_change = new XMLNode("change"); + + /* first, the change itself */ + + xml_change->add_property ("property", enum_2_string (change.property)); + + { + ostringstream old_value_str (ios::ate); + if (change.property == StartTime || change.property == Length) { + old_value_str << change.old_time; + } else { + old_value_str << (unsigned int) change.old_value; + } + xml_change->add_property ("old", old_value_str.str()); + } + + { + ostringstream new_value_str (ios::ate); + if (change.property == StartTime || change.property == Length) { + new_value_str << change.new_time; + } else { + new_value_str << (unsigned int) change.new_value; + } + xml_change->add_property ("new", new_value_str.str()); + } + + /* now the rest of the note */ + + const SMFSource* smf = dynamic_cast (_model->midi_source()); + + if (change.property != NoteNumber) { + ostringstream note_str; + note_str << int(change.note->note()); + xml_change->add_property("note", note_str.str()); + } + + if (change.property != Channel) { + ostringstream channel_str; + channel_str << int(change.note->channel()); + xml_change->add_property("channel", channel_str.str()); + } + + if (change.property != StartTime) { + ostringstream time_str; + if (smf) { + time_str << smf->round_to_file_precision (change.note->time()); + } else { + time_str << change.note->time(); + } + xml_change->add_property("time", time_str.str()); + } + + if (change.property != Length) { + ostringstream length_str; + if (smf) { + length_str << smf->round_to_file_precision (change.note->length()); + } else { + length_str << change.note->length(); + } + xml_change->add_property ("length", length_str.str()); + } + + if (change.property != Velocity) { + ostringstream velocity_str; + velocity_str << int (change.note->velocity()); + xml_change->add_property("velocity", velocity_str.str()); + } + + /* and now notes that were remove as a side-effect */ + + return *xml_change; + } + + MidiModel::DiffCommand::NoteChange + MidiModel::DiffCommand::unmarshal_change(XMLNode *xml_change) + { + XMLProperty* prop; + NoteChange change; + unsigned int note; + unsigned int channel; + unsigned int velocity; + Evoral::MusicalTime time; + Evoral::MusicalTime length; + + if ((prop = xml_change->property("property")) != 0) { + change.property = (Property) string_2_enum (prop->value(), change.property); + } else { + fatal << "!!!" << endmsg; + /*NOTREACHED*/ + } + + if ((prop = xml_change->property ("old")) != 0) { + istringstream old_str (prop->value()); + if (change.property == StartTime || change.property == Length) { + old_str >> change.old_time; + } 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 ... + */ + + NotePtr new_note (new Evoral::Note (channel, time, length, note, velocity)); + + change.note = _model->find_note (new_note); -XMLNode& -MidiModel::get_state() + 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; + } + + /* additions */ + + _added_notes.clear(); + XMLNode* added_notes = diff_command.child(ADDED_NOTES_ELEMENT); + if (added_notes) { + XMLNodeList notes = added_notes->children(); + transform(notes.begin(), notes.end(), back_inserter(_added_notes), + boost::bind (&DiffCommand::unmarshal_note, this, _1)); + } + + + /* removals */ + + _removed_notes.clear(); + XMLNode* removed_notes = diff_command.child(REMOVED_NOTES_ELEMENT); + if (removed_notes) { + XMLNodeList notes = removed_notes->children(); + transform(notes.begin(), notes.end(), back_inserter(_removed_notes), + boost::bind (&DiffCommand::unmarshal_note, this, _1)); + } + + + /* changes */ + + _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)); + + } + + /* side effect removals caused by changes */ + + side_effect_removals.clear(); + + XMLNode* side_effect_notes = diff_command.child(SIDE_EFFECT_REMOVALS_ELEMENT); + + if (side_effect_notes) { + XMLNodeList notes = side_effect_notes->children(); + for (XMLNodeList::iterator n = notes.begin(); n != notes.end(); ++n) { + side_effect_removals.insert (unmarshal_note (*n)); + } + } + + 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))); + + XMLNode* added_notes = diff_command->add_child(ADDED_NOTES_ELEMENT); + for_each(_added_notes.begin(), _added_notes.end(), + boost::bind( + boost::bind (&XMLNode::add_child_nocopy, added_notes, _1), + boost::bind (&DiffCommand::marshal_note, this, _1))); + + XMLNode* removed_notes = diff_command->add_child(REMOVED_NOTES_ELEMENT); + for_each(_removed_notes.begin(), _removed_notes.end(), + boost::bind ( + boost::bind (&XMLNode::add_child_nocopy, removed_notes, _1), + boost::bind (&DiffCommand::marshal_note, this, _1))); + + /* if this command had side-effects, store that state too + */ + + if (!side_effect_removals.empty()) { + XMLNode* side_effect_notes = diff_command->add_child(SIDE_EFFECT_REMOVALS_ELEMENT); + for_each(side_effect_removals.begin(), side_effect_removals.end(), + boost::bind ( + boost::bind (&XMLNode::add_child_nocopy, side_effect_notes, _1), + boost::bind (&DiffCommand::marshal_note, this, _1))); + } + + return *diff_command; + } + + /** Write all of 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 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::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; + } + + /** Write part or all of 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_section_to (boost::shared_ptr source, Evoral::MusicalTime begin_time, Evoral::MusicalTime end_time) + { + ReadLock lock(read_lock()); + MidiStateTracker mst; + Evoral::MusicalTime extra_note_on_time = end_time; + + 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::const_iterator i = begin(); i != end(); ++i) { + const Evoral::Event& ev (*i); + + if (ev.time() >= begin_time && ev.time() < end_time) { + + const Evoral::MIDIEvent* mev = + static_cast* > (&ev); + + if (!mev) { + continue; + } + + + if (mev->is_note_off()) { + + if (!mst.active (mev->note(), mev->channel())) { + + /* add a note-on at the start of the range we're writing + to the file. velocity is just an arbitary reasonable value. + */ + + Evoral::MIDIEvent on (mev->event_type(), extra_note_on_time, 3, 0, true); + on.set_type (mev->type()); + on.set_note (mev->note()); + on.set_channel (mev->channel()); + on.set_velocity (mev->velocity()); + + cerr << "Add note on for odd note off, note = " << (int) on.note() << endl; + source->append_event_unlocked_beats (on); + mst.add (on.note(), on.channel()); + mst.dump (cerr); + extra_note_on_time += 1.0/128.0; + } + + cerr << "MIDI Note off (note = " << (int) mev->note() << endl; + source->append_event_unlocked_beats (*i); + mst.remove (mev->note(), mev->channel()); + mst.dump (cerr); + + } else if (mev->is_note_on()) { + cerr << "MIDI Note on (note = " << (int) mev->note() << endl; + mst.add (mev->note(), mev->channel()); + source->append_event_unlocked_beats(*i); + mst.dump (cerr); + } else { + cerr << "MIDI other event type\n"; + source->append_event_unlocked_beats(*i); + } + } + } + + mst.resolve_notes (*source, end_time); + + 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; + } + + Evoral::Sequence::NotePtr + MidiModel::find_note (NotePtr other) + { + Notes::iterator l = notes().lower_bound(other); + + if (l != notes().end()) { + for (; (*l)->time() == other->time(); ++l) { + /* NB: compare note contents, not note pointers. + If "other" was a ptr to a note already in + the model, we wouldn't be looking for it, + would we now? + */ + if (**l == *other) { + return *l; + } + } + } + + return NotePtr(); + } + + /** 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)); + } + + int + MidiModel::resolve_overlaps_unlocked (const NotePtr note, void* arg) + { + using namespace Evoral; + + if (_writing || insert_merge_policy() == InsertMergeRelax) { + return 0; + } + + DiffCommand* cmd = static_cast(arg); + + TimeType sa = note->time(); + TimeType ea = note->end_time(); + + const Pitches& p (pitches (note->channel())); + NotePtr search_note(new Note(0, 0, 0, note->note())); + set to_be_deleted; + bool set_note_length = false; + bool set_note_time = false; + TimeType note_time = note->time(); + TimeType note_length = note->length(); + + for (Pitches::const_iterator i = p.lower_bound (search_note); + i != p.end() && (*i)->note() == note->note(); ++i) { + + TimeType sb = (*i)->time(); + TimeType eb = (*i)->end_time(); + OverlapType overlap = OverlapNone; + + if ((sb > sa) && (eb <= ea)) { + overlap = OverlapInternal; + } else if ((eb >= sa) && (eb <= ea)) { + overlap = OverlapStart; + } else if ((sb > sa) && (sb <= ea)) { + overlap = OverlapEnd; + } else if ((sa >= sb) && (sa <= eb) && (ea <= eb)) { + overlap = OverlapExternal; + } else { + /* no overlap */ + continue; + } + + if (insert_merge_policy() == InsertMergeReject) { + return -1; + } + + switch (overlap) { + case OverlapStart: + cerr << "OverlapStart\n"; + /* existing note covers start of new note */ + switch (insert_merge_policy()) { + case InsertMergeReplace: + to_be_deleted.insert (*i); + break; + case InsertMergeTruncateExisting: + if (cmd) { + cmd->change (*i, DiffCommand::Length, (note->time() - (*i)->time())); + } + (*i)->set_length (note->time() - (*i)->time()); + break; + case InsertMergeTruncateAddition: + set_note_time = true; + set_note_length = true; + note_time = (*i)->time() + (*i)->length(); + note_length = min (note_length, (*i)->length() - ((*i)->end_time() - note->time())); + break; + case InsertMergeExtend: + if (cmd) { + cmd->change ((*i), DiffCommand::Length, note->end_time() - (*i)->time()); + } + (*i)->set_length (note->end_time() - (*i)->time()); + return -1; /* do not add the new note */ + break; + default: + /*NOTREACHED*/ + /* stupid gcc */ + break; + } + break; + + case OverlapEnd: + cerr << "OverlapEnd\n"; + /* existing note covers end of new note */ + switch (insert_merge_policy()) { + case InsertMergeReplace: + to_be_deleted.insert (*i); + break; + + case InsertMergeTruncateExisting: + /* resetting the start time of the existing note + is a problem because of time ordering. + */ + break; + + case InsertMergeTruncateAddition: + set_note_length = true; + note_length = min (note_length, ((*i)->time() - note->time())); + break; + + case InsertMergeExtend: + /* we can't reset the time of the existing note because + that will corrupt time ordering. So remove the + existing note and change the position/length + of the new note (which has not been added yet) + */ + to_be_deleted.insert (*i); + set_note_length = true; + note_length = min (note_length, (*i)->end_time() - note->time()); + break; + default: + /*NOTREACHED*/ + /* stupid gcc */ + break; + } + break; + + case OverlapExternal: + cerr << "OverlapExt\n"; + /* existing note overlaps all the new note */ + switch (insert_merge_policy()) { + case InsertMergeReplace: + to_be_deleted.insert (*i); + break; + case InsertMergeTruncateExisting: + case InsertMergeTruncateAddition: + case InsertMergeExtend: + /* cannot add in this case */ + return -1; + default: + /*NOTREACHED*/ + /* stupid gcc */ + break; + } + break; + + case OverlapInternal: + cerr << "OverlapInt\n"; + /* new note fully overlaps an existing note */ + switch (insert_merge_policy()) { + case InsertMergeReplace: + case InsertMergeTruncateExisting: + case InsertMergeTruncateAddition: + case InsertMergeExtend: + /* delete the existing note, the new one will cover it */ + to_be_deleted.insert (*i); + break; + default: + /*NOTREACHED*/ + /* stupid gcc */ + break; + } + break; + + default: + /*NOTREACHED*/ + /* stupid gcc */ + break; + } + } + + for (set::iterator i = to_be_deleted.begin(); i != to_be_deleted.end(); ++i) { + remove_note_unlocked (*i); + + if (cmd) { + cmd->side_effect_remove (*i); + } + } + + if (set_note_time) { + if (cmd) { + cmd->change (note, DiffCommand::StartTime, note_time); + } + note->set_time (note_time); + } + + if (set_note_length) { + if (cmd) { + cmd->change (note, DiffCommand::Length, note_length); + } + note->set_length (note_length); + } + + return 0; + } + + InsertMergePolicy + MidiModel::insert_merge_policy () const + { + /* XXX ultimately this should be a per-track or even per-model policy */ + + return _midi_source->session().config.get_insert_merge_policy(); +} + +void +MidiModel::set_midi_source (MidiSource* s) { - XMLNode *node = new XMLNode("MidiModel"); - return *node; + _midi_source->invalidate (); + _midi_source = s; } -