X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fmidi_model.cc;h=57cbb70cfdd587831b69773d99e0e05bd9f64d6d;hb=ecb0cd5d119d28092a8f48e4521ac5eba197bb54;hp=02b076a5e5c24b457d186127c41aa2cbe874fbdd;hpb=7a9b4a0aa2f5ccdcd9257a0df12917c0e3b1fd91;p=ardour.git diff --git a/libs/ardour/midi_model.cc b/libs/ardour/midi_model.cc index 02b076a5e5..57cbb70cfd 100644 --- a/libs/ardour/midi_model.cc +++ b/libs/ardour/midi_model.cc @@ -1,696 +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 "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; -void MidiModel::write_lock() { - _lock.writer_lock(); - _automation_lock.lock(); -} - -void MidiModel::write_unlock() { - _lock.writer_unlock(); - _automation_lock.unlock(); -} - -void MidiModel::read_lock() const { - _lock.reader_lock(); - /*_automation_lock.lock();*/ -} - -void MidiModel::read_unlock() const { - _lock.reader_unlock(); - /*_automation_lock.unlock();*/ -} - -// Read iterator (const_iterator) - -MidiModel::const_iterator::const_iterator(const MidiModel& model, double t) - : _model(&model) - , _is_end( (t == DBL_MAX) || model.empty() ) - , _locked( !_is_end ) -{ - //cerr << "Created MIDI iterator @ " << t << " (is end: " << _is_end << ")" << endl; - - if (_is_end) { - return; - } - - model.read_lock(); - - _note_iter = model.notes().end(); - // find first note which begins after t - for (MidiModel::Notes::const_iterator i = model.notes().begin(); i != model.notes().end(); ++i) { - if ((*i)->time() >= t) { - _note_iter = i; - break; - } - } - - MidiControlIterator earliest_control(boost::shared_ptr(), DBL_MAX, 0.0); - - _control_iters.reserve(model.controls().size()); - - // find the earliest control event available - for (Automatable::Controls::const_iterator i = model.controls().begin(); - i != model.controls().end(); ++i) { - - assert( - i->first.type() == MidiCCAutomation || - i->first.type() == MidiPgmChangeAutomation || - i->first.type() == MidiPitchBenderAutomation || - i->first.type() == MidiChannelAftertouchAutomation); - - double x, y; - bool ret = i->second->list()->rt_safe_earliest_event_unlocked(t, DBL_MAX, x, y); - if (!ret) { - //cerr << "MIDI Iterator: CC " << i->first.id() << " (size " << i->second->list()->size() - // << ") has no events past " << t << endl; - continue; - } - - assert(x >= 0); - - if (y < i->first.min() || y > i->first.max()) { - cerr << "ERROR: Controller (" << i->first.to_string() << ") value '" << y - << "' out of range [" << i->first.min() << "," << i->first.max() - << "], event ignored" << endl; - continue; - } - - const MidiControlIterator new_iter(i->second->list(), x, y); - - //cerr << "MIDI Iterator: CC " << i->first.id() << " added (" << x << ", " << y << ")" << endl; - _control_iters.push_back(new_iter); - - // if the x of the current control is less than earliest_control - // we have a new earliest_control - if (x < earliest_control.x) { - earliest_control = new_iter; - _control_iter = _control_iters.end(); - --_control_iter; - // now _control_iter points to the last Element in _control_iters - } - } - - if (_note_iter != model.notes().end()) { - _event = boost::shared_ptr(new MIDI::Event((*_note_iter)->on_event(), true)); - } - - double time = DBL_MAX; - // in case we have no notes in the region, we still want to get controller messages - if (_event.get()) { - time = _event->time(); - // if the note is going to make it this turn, advance _note_iter - if (earliest_control.x > time) { - _active_notes.push(*_note_iter); - ++_note_iter; - } - } - - // <=, because we probably would want to send control events first - if (earliest_control.automation_list.get() && earliest_control.x <= time) { - model.control_to_midi_event(_event, earliest_control); - } else { - _control_iter = _control_iters.end(); - } - - if ( (! _event.get()) || _event->size() == 0) { - //cerr << "Created MIDI iterator @ " << t << " is at end." << endl; - _is_end = true; - - // eliminate possible race condition here (ugly) - static Glib::Mutex mutex; - Glib::Mutex::Lock lock(mutex); - if (_locked) { - _model->read_unlock(); - _locked = false; - } - } else { - //printf("New MIDI Iterator = %X @ %lf\n", _event->type(), _event->time()); - } - - assert(_is_end || (_event->buffer() && _event->buffer()[0] != '\0')); -} - -MidiModel::const_iterator::~const_iterator() -{ - if (_locked) { - _model->read_unlock(); - } -} - -const MidiModel::const_iterator& MidiModel::const_iterator::operator++() -{ - if (_is_end) { - throw std::logic_error("Attempt to iterate past end of MidiModel"); - } - - assert(_event->buffer() && _event->buffer()[0] != '\0'); - - /*cerr << "const_iterator::operator++: _event type:" << hex << "0x" << int(_event->type()) - << " buffer: 0x" << int(_event->buffer()[0]) << " 0x" << int(_event->buffer()[1]) - << " 0x" << int(_event->buffer()[2]) << endl;*/ - - if (! (_event->is_note() || _event->is_cc() || _event->is_pgm_change() || _event->is_pitch_bender() || _event->is_channel_aftertouch()) ) { - cerr << "FAILED event buffer: " << hex << int(_event->buffer()[0]) << int(_event->buffer()[1]) << int(_event->buffer()[2]) << endl; - } - assert((_event->is_note() || _event->is_cc() || _event->is_pgm_change() || _event->is_pitch_bender() || _event->is_channel_aftertouch())); - - // Increment past current control event - if (!_event->is_note() && _control_iter != _control_iters.end() && _control_iter->automation_list.get()) { - double x = 0.0, y = 0.0; - const bool ret = _control_iter->automation_list->rt_safe_earliest_event_unlocked( - _control_iter->x, DBL_MAX, x, y, false); - - if (ret) { - _control_iter->x = x; - _control_iter->y = y; - } else { - _control_iter->automation_list.reset(); - _control_iter->x = DBL_MAX; - } - } - - const std::vector::iterator old_control_iter = _control_iter; - _control_iter = _control_iters.begin(); - - // find the _control_iter with the earliest event time - for (std::vector::iterator i = _control_iters.begin(); - i != _control_iters.end(); ++i) { - if (i->x < _control_iter->x) { - _control_iter = i; - } - } - - enum Type {NIL, NOTE_ON, NOTE_OFF, AUTOMATION}; - - Type type = NIL; - double t = 0; - - // Next earliest note on - if (_note_iter != _model->notes().end()) { - type = NOTE_ON; - t = (*_note_iter)->time(); - } - - // Use the next earliest note off iff it's earlier than the note on - if (_model->note_mode() == Sustained && (! _active_notes.empty())) { - if (type == NIL || _active_notes.top()->end_time() <= (*_note_iter)->time()) { - type = NOTE_OFF; - t = _active_notes.top()->end_time(); - } - } - - // Use the next earliest controller iff it's earlier than the note event - if (_control_iter != _control_iters.end() && _control_iter->x != DBL_MAX /*&& _control_iter != old_control_iter */) { - if (type == NIL || _control_iter->x < t) { - type = AUTOMATION; - } - } - - if (type == NOTE_ON) { - //cerr << "********** MIDI Iterator = note on" << endl; - *_event = (*_note_iter)->on_event(); - _active_notes.push(*_note_iter); - ++_note_iter; - } else if (type == NOTE_OFF) { - //cerr << "********** MIDI Iterator = note off" << endl; - *_event = _active_notes.top()->off_event(); - _active_notes.pop(); - } else if (type == AUTOMATION) { - //cerr << "********** MIDI Iterator = Automation" << endl; - _model->control_to_midi_event(_event, *_control_iter); - } else { - //cerr << "********** MIDI Iterator = End" << endl; - _is_end = true; - } - - assert(_is_end || _event->size() > 0); - - return *this; -} - -bool MidiModel::const_iterator::operator==(const const_iterator& other) const -{ - if (_is_end || other._is_end) { - return (_is_end == other._is_end); - } else { - return (_event == other._event); - } -} - -MidiModel::const_iterator& MidiModel::const_iterator::operator=(const const_iterator& other) -{ - if (_locked && _model != other._model) { - _model->read_unlock(); - } - - _model = other._model; - _active_notes = other._active_notes; - _is_end = other._is_end; - _locked = other._locked; - _note_iter = other._note_iter; - _control_iters = other._control_iters; - size_t index = other._control_iter - other._control_iters.begin(); - _control_iter = _control_iters.begin() + index; - - if (!_is_end) { - _event = boost::shared_ptr(new MIDI::Event(*other._event, true)); - } - - return *this; -} - -// MidiModel - -MidiModel::MidiModel(MidiSource *s, size_t size) - : Automatable(s->session(), "midi model") - , _notes(size) - , _note_mode(Sustained) - , _writing(false) - , _edited(false) - , _end_iter(*this, DBL_MAX) - , _next_read(UINT32_MAX) - , _read_iter(*this, DBL_MAX) +MidiModel::MidiModel(MidiSource* s) + : AutomatableSequence(s->session()) , _midi_source(s) { - assert(_end_iter._is_end); - assert( ! _end_iter._locked); -} - -/** Read events in frame range \a start .. \a start+cnt into \a dst, - * adding \a stamp_offset to each event's timestamp. - * \return number of events written to \a dst - */ -size_t MidiModel::read(MidiRingBuffer& dst, nframes_t start, nframes_t nframes, - nframes_t stamp_offset, nframes_t negative_stamp_offset) const -{ - //cerr << this << " MM::read @ " << start << " frames: " << nframes << " -> " << stamp_offset << endl; - //cerr << this << " MM # notes: " << n_notes() << endl; - - size_t read_events = 0; - - if (start != _next_read) { - _read_iter = const_iterator(*this, (double)start); - //cerr << "Repositioning iterator from " << _next_read << " to " << start << endl; - } else { - //cerr << "Using cached iterator at " << _next_read << endl; - } - - _next_read = start + nframes; - - while (_read_iter != end() && _read_iter->time() < start + nframes) { - assert(_read_iter->size() > 0); - assert(_read_iter->buffer()); - dst.write(_read_iter->time() + stamp_offset - negative_stamp_offset, - _read_iter->size(), - _read_iter->buffer()); - - /*cerr << this << " MidiModel::read event @ " << _read_iter->time() - << " type: " << hex << int(_read_iter->type()) << dec - << " note: " << int(_read_iter->note()) - << " velocity: " << int(_read_iter->velocity()) - << endl;*/ - - ++_read_iter; - ++read_events; - } - - return read_events; -} - -/** Write the controller event pointed to by \a iter to \a ev. - * The buffer of \a ev will be allocated or resized as necessary. - * \return true on success - */ -bool -MidiModel::control_to_midi_event(boost::shared_ptr& ev, const MidiControlIterator& iter) const -{ - assert(iter.automation_list.get()); - if (!ev) { - ev = boost::shared_ptr(new MIDI::Event(0, 3, NULL, true)); - } - - switch (iter.automation_list->parameter().type()) { - case MidiCCAutomation: - assert(iter.automation_list.get()); - assert(iter.automation_list->parameter().channel() < 16); - assert(iter.automation_list->parameter().id() <= INT8_MAX); - assert(iter.y <= INT8_MAX); - - ev->time() = iter.x; - ev->realloc(3); - ev->buffer()[0] = MIDI_CMD_CONTROL + iter.automation_list->parameter().channel(); - ev->buffer()[1] = (Byte)iter.automation_list->parameter().id(); - ev->buffer()[2] = (Byte)iter.y; - break; - - case MidiPgmChangeAutomation: - assert(iter.automation_list.get()); - assert(iter.automation_list->parameter().channel() < 16); - assert(iter.automation_list->parameter().id() == 0); - assert(iter.y <= INT8_MAX); - - ev->time() = iter.x; - ev->realloc(2); - ev->buffer()[0] = MIDI_CMD_PGM_CHANGE + iter.automation_list->parameter().channel(); - ev->buffer()[1] = (Byte)iter.y; - break; - - case MidiPitchBenderAutomation: - assert(iter.automation_list.get()); - assert(iter.automation_list->parameter().channel() < 16); - assert(iter.automation_list->parameter().id() == 0); - assert(iter.y < (1<<14)); - - ev->time() = iter.x; - ev->realloc(3); - ev->buffer()[0] = MIDI_CMD_BENDER + iter.automation_list->parameter().channel(); - ev->buffer()[1] = ((Byte)iter.y) & 0x7F; // LSB - ev->buffer()[2] = (((Byte)iter.y) >> 7) & 0x7F; // MSB - break; - - case MidiChannelAftertouchAutomation: - assert(iter.automation_list.get()); - assert(iter.automation_list->parameter().channel() < 16); - assert(iter.automation_list->parameter().id() == 0); - assert(iter.y <= INT8_MAX); - - ev->time() = iter.x; - ev->realloc(2); - ev->buffer()[0] - = MIDI_CMD_CHANNEL_PRESSURE + iter.automation_list->parameter().channel(); - ev->buffer()[1] = (Byte)iter.y; - break; - - default: - return false; - } - - return true; -} - - -/** Clear all events from the model. - */ -void MidiModel::clear() -{ - _lock.writer_lock(); - _notes.clear(); - clear_automation(); - _next_read = 0; - _read_iter = end(); - _lock.writer_unlock(); -} - - -/** Begin a write of events to the model. - * - * If \a mode is Sustained, complete notes with duration are constructed as note - * on/off events are received. Otherwise (Percussive), only note on events are - * stored; note off events are discarded entirely and all contained notes will - * have duration 0. - */ -void MidiModel::start_write() -{ - //cerr << "MM " << this << " START WRITE, MODE = " << enum_2_string(_note_mode) << endl; - write_lock(); - _writing = true; - for (int i = 0; i < 16; ++i) - _write_notes[i].clear(); - - _dirty_automations.clear(); - write_unlock(); -} - -/** Finish a write of events to the model. - * - * If \a delete_stuck is true and the current mode is Sustained, note on events - * that were never resolved with a corresonding note off will be deleted. - * Otherwise they will remain as notes with duration 0. - */ -void MidiModel::end_write(bool delete_stuck) -{ - write_lock(); - assert(_writing); - - //cerr << "MM " << this << " END WRITE: " << _notes.size() << " NOTES\n"; - - if (_note_mode == Sustained && delete_stuck) { - for (Notes::iterator n = _notes.begin(); n != _notes.end() ;) { - if ((*n)->duration() == 0) { - cerr << "WARNING: Stuck note lost: " << (*n)->note() << endl; - n = _notes.erase(n); - // we have to break here because erase invalidates the iterator - break; - } else { - ++n; - } - } - } - - for (int i = 0; i < 16; ++i) { - if (!_write_notes[i].empty()) { - cerr << "WARNING: MidiModel::end_write: Channel " << i << " has " - << _write_notes[i].size() << " stuck notes" << endl; - } - _write_notes[i].clear(); - } - - for (AutomationLists::const_iterator i = _dirty_automations.begin(); i != _dirty_automations.end(); ++i) { - (*i)->Dirty.emit(); - (*i)->lookup_cache().left = -1; - (*i)->search_cache().left = -1; - } - - _writing = false; - write_unlock(); -} - -/** Append \a in_event to model. NOT realtime safe. - * - * Timestamps of events in \a buf are expected to be relative to - * the start of this model (t=0) and MUST be monotonically increasing - * and MUST be >= the latest event currently in the model. - */ -void MidiModel::append(const MIDI::Event& ev) -{ - write_lock(); - _edited = true; - - assert(_notes.empty() || ev.time() >= _notes.back()->time()); - assert(_writing); - - if (ev.is_note_on()) { - append_note_on_unlocked(ev.channel(), ev.time(), ev.note(), - ev.velocity()); - } else if (ev.is_note_off()) { - append_note_off_unlocked(ev.channel(), ev.time(), ev.note()); - } else if (ev.is_cc()) { - append_automation_event_unlocked(MidiCCAutomation, ev.channel(), - ev.time(), ev.cc_number(), ev.cc_value()); - } else if (ev.is_pgm_change()) { - append_automation_event_unlocked(MidiPgmChangeAutomation, ev.channel(), - ev.time(), ev.pgm_number(), 0); - } else if (ev.is_pitch_bender()) { - append_automation_event_unlocked(MidiPitchBenderAutomation, - ev.channel(), ev.time(), ev.pitch_bender_lsb(), - ev.pitch_bender_msb()); - } else if (ev.is_channel_aftertouch()) { - append_automation_event_unlocked(MidiChannelAftertouchAutomation, - ev.channel(), ev.time(), ev.channel_aftertouch(), 0); - } else { - printf("WARNING: MidiModel: Unknown event type %X\n", ev.type()); - } - - write_unlock(); -} - -void MidiModel::append_note_on_unlocked(uint8_t chan, double time, - uint8_t note_num, uint8_t velocity) -{ - /*cerr << "MidiModel " << this << " chan " << (int)chan << - " note " << (int)note_num << " on @ " << time << endl;*/ - - assert(chan < 16); - assert(_writing); - _edited = true; - - boost::shared_ptr new_note(new Note(chan, time, 0, note_num, velocity)); - _notes.push_back(new_note); - if (_note_mode == Sustained) { - //cerr << "MM Sustained: Appending active note on " << (unsigned)(uint8_t)note_num << endl; - _write_notes[chan].push_back(_notes.size() - 1); - }/* else { - cerr << "MM Percussive: NOT appending active note on" << endl; - }*/ -} - -void MidiModel::append_note_off_unlocked(uint8_t chan, double time, - uint8_t note_num) -{ - /*cerr << "MidiModel " << this << " chan " << (int)chan << - " note " << (int)note_num << " off @ " << time << endl;*/ - - assert(chan < 16); - assert(_writing); - _edited = true; - - if (_note_mode == Percussive) { - cerr << "MidiModel Ignoring note off (percussive mode)" << endl; - return; - } - - /* FIXME: make _write_notes fixed size (127 noted) for speed */ - - /* FIXME: note off velocity for that one guy out there who actually has - * keys that send it */ - - bool resolved = false; - - for (WriteNotes::iterator n = _write_notes[chan].begin(); n - != _write_notes[chan].end(); ++n) { - Note& note = *_notes[*n].get(); - if (note.note() == note_num) { - assert(time >= note.time()); - note.set_duration(time - note.time()); - _write_notes[chan].erase(n); - //cerr << "MM resolved note, duration: " << note.duration() << endl; - resolved = true; - break; - } - } - - if (!resolved) { - cerr << "MidiModel " << this << " spurious note off chan " << (int)chan - << ", note " << (int)note_num << " @ " << time << endl; - } -} - -void MidiModel::append_automation_event_unlocked(AutomationType type, - uint8_t chan, double time, uint8_t first_byte, uint8_t second_byte) -{ - //cerr << "MidiModel " << this << " chan " << (int)chan << - // " CC " << (int)number << " = " << (int)value << " @ " << time << endl; - - assert(chan < 16); - assert(_writing); - _edited = true; - double value; - - uint32_t id = 0; - - switch (type) { - case MidiCCAutomation: - id = first_byte; - value = double(second_byte); - break; - case MidiChannelAftertouchAutomation: - case MidiPgmChangeAutomation: - id = 0; - value = double(first_byte); - break; - case MidiPitchBenderAutomation: - id = 0; - value = double((0x7F & second_byte) << 7 | (0x7F & first_byte)); - break; - default: - assert(false); - } - - Parameter param(type, id, chan); - boost::shared_ptr control = Automatable::control(param, true); - control->list()->rt_add(time, value); -} - -void MidiModel::add_note_unlocked(const boost::shared_ptr note) -{ - //cerr << "MidiModel " << this << " add note " << (int)note.note() << " @ " << note.time() << endl; - _edited = true; - Notes::iterator i = upper_bound(_notes.begin(), _notes.end(), note, - note_time_comparator); - _notes.insert(i, note); -} - -void MidiModel::remove_note_unlocked(const boost::shared_ptr note) -{ - _edited = true; - //cerr << "MidiModel " << this << " remove note " << (int)note.note() << " @ " << note.time() << endl; - for (Notes::iterator n = _notes.begin(); n != _notes.end(); ++n) { - Note& _n = *(*n); - const Note& _note = *note; - // TODO: There is still the issue, that after restarting ardour - // persisted undo does not work, because of rounding errors in the - // event times after saving/restoring to/from MIDI files - cerr << "======================================= " << endl; - cerr << int(_n.note()) << "@" << int(_n.time()) << "[" << int(_n.channel()) << "] --" << int(_n.duration()) << "-- #" << int(_n.velocity()) << endl; - cerr << int(_note.note()) << "@" << int(_note.time()) << "[" << int(_note.channel()) << "] --" << int(_note.duration()) << "-- #" << int(_note.velocity()) << endl; - cerr << "Equal: " << bool(_n == _note) << endl; - cerr << endl << endl; - if (_n == _note) { - _notes.erase(n); - // we have to break here, because erase invalidates all iterators, ie. n itself - break; - } - } } -/** Slow! for debugging only. */ -#ifndef NDEBUG -bool MidiModel::is_sorted() const { - bool t = 0; - for (Notes::const_iterator n = _notes.begin(); n != _notes.end(); ++n) - if ((*n)->time() < t) - return false; - else - t = (*n)->time(); - - return true; -} -#endif - -/** 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; } @@ -699,253 +63,1053 @@ MidiModel::DeltaCommand* MidiModel::new_delta_command(const string name) * 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(Command* cmd) +void +MidiModel::apply_command(Session& session, Command* cmd) { - _session.begin_reversible_command(cmd->name()); + session.begin_reversible_command(cmd->name()); (*cmd)(); - assert(is_sorted()); - _session.commit_reversible_command(cmd); - _edited = true; + session.commit_reversible_command(cmd); + set_edited(true); } -// MidiEditCommand +/** 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 ********************/ -MidiModel::DeltaCommand::DeltaCommand(boost::shared_ptr m, - const std::string& name) +#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::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 note) +void +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 note) +void +MidiModel::DiffCommand::remove(const NotePtr note) { - //cerr << "MEC: remove" << endl; _added_notes.remove(note); _removed_notes.push_back(note); } -void MidiModel::DeltaCommand::operator()() +void +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 - - // Need to reset iterator to drop the read lock it holds, or we'll deadlock - const bool reset_iter = (_model->_read_iter.locked()); - double iter_time = -1.0; - - if (reset_iter) { - if (_model->_read_iter.get_event_pointer().get()) { - iter_time = _model->_read_iter->time(); - } else { - cerr << "MidiModel::DeltaCommand::operator(): WARNING: _read_iter points to no event" << endl; - } - _model->_read_iter = _model->end(); // drop read lock - } - - assert( ! _model->_read_iter.locked()); - - _model->write_lock(); - - for (std::list< boost::shared_ptr >::iterator i = _added_notes.begin(); i != _added_notes.end(); ++i) - _model->add_note_unlocked(*i); - - for (std::list< boost::shared_ptr >::iterator i = _removed_notes.begin(); i != _removed_notes.end(); ++i) - _model->remove_note_unlocked(*i); - - _model->write_unlock(); - - if (reset_iter && iter_time != -1.0) { - _model->_read_iter = const_iterator(*_model.get(), iter_time); - } - - _model->ContentsChanged(); /* EMIT SIGNAL */ + side_effect_removals.insert (note); } -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 - - // Need to reset iterator to drop the read lock it holds, or we'll deadlock - const bool reset_iter = (_model->_read_iter.locked()); - double iter_time = -1.0; - - if (reset_iter) { - if (_model->_read_iter.get_event_pointer().get()) { - iter_time = _model->_read_iter->time(); - } else { - cerr << "MidiModel::DeltaCommand::undo(): WARNING: _read_iter points to no event" << endl; - } - _model->_read_iter = _model->end(); // drop read lock - } - - assert( ! _model->_read_iter.locked()); - - _model->write_lock(); - - for (std::list< boost::shared_ptr >::iterator i = _added_notes.begin(); i - != _added_notes.end(); ++i) - _model->remove_note_unlocked(*i); - - for (std::list< boost::shared_ptr >::iterator i = - _removed_notes.begin(); i != _removed_notes.end(); ++i) - _model->add_note_unlocked(*i); - - _model->write_unlock(); + void + MidiModel::DiffCommand::change(const NotePtr note, Property prop, + uint8_t new_value) + { + NoteChange change; + + 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; + + + 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; + } + + change.note = note; + change.property = prop; + change.new_value = new_value; + + _changes.push_back (change); + } + + void + MidiModel::DiffCommand::change(const NotePtr note, Property prop, + TimeType new_time) + { + NoteChange change; + + switch (prop) { + case NoteNumber: + case Channel: + case Velocity: + fatal << "MidiModel::DiffCommand::change() with time argument called for note, channel or velocity" << endmsg; + break; + + 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; + } + + change.note = note; + change.property = prop; + change.new_time = new_time; + + _changes.push_back (change); + } + + MidiModel::DiffCommand& + MidiModel::DiffCommand::operator+= (const DiffCommand& other) + { + if (this == &other) { + return *this; + } + + if (_model != other._model) { + return *this; + } + + _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()); + + return *this; + } + + void + MidiModel::DiffCommand::operator()() + { + { + MidiModel::WriteLock lock(_model->edit_lock()); + + 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); + } + } + + for (NoteList::iterator i = _removed_notes.begin(); i != _removed_notes.end(); ++i) { + _model->remove_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->new_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->new_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->new_value); + break; + + /* no remove-then-add required for these properties, since we do not index them + */ + + 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); + + 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 (reset_iter && iter_time != -1.0) { - _model->_read_iter = const_iterator(*_model.get(), iter_time); - } + /* if this command had side-effects, store that state too + */ - _model->ContentsChanged(); /* EMIT SIGNAL */ + 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(); } - -XMLNode & MidiModel::DeltaCommand::marshal_note(const boost::shared_ptr 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()); - - 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 << int(note->time()); - xml_note->add_property("time", time_str.str()); - - ostringstream duration_str(ios::ate); - duration_str <<(unsigned int) note->duration(); - xml_note->add_property("duration", duration_str.str()); - - ostringstream velocity_str(ios::ate); - velocity_str << (unsigned int) note->velocity(); - xml_note->add_property("velocity", velocity_str.str()); - - return *xml_note; -} - -boost::shared_ptr MidiModel::DeltaCommand::unmarshal_note(XMLNode *xml_note) -{ - unsigned int note; - istringstream note_str(xml_note->property("note")->value()); - note_str >> note; - - unsigned int channel; - istringstream channel_str(xml_note->property("channel")->value()); - channel_str >> channel; - - unsigned int time; - istringstream time_str(xml_note->property("time")->value()); - time_str >> time; - - unsigned int duration; - istringstream duration_str(xml_note->property("duration")->value()); - duration_str >> duration; - - unsigned int velocity; - istringstream velocity_str(xml_note->property("velocity")->value()); - velocity_str >> velocity; - - boost::shared_ptr note_ptr(new Note(channel, time, duration, note, velocity)); - return note_ptr; -} - -#define ADDED_NOTES_ELEMENT "added_notes" -#define REMOVED_NOTES_ELEMENT "removed_notes" -#define DELTA_COMMAND_ELEMENT "DeltaCommand" - -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; -} - -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()); - - 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))); - - 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))); - - return *delta_command; -} - -struct EventTimeComparator { - typedef const MIDI::Event* value_type; - inline bool operator()(const MIDI::Event& a, const MIDI::Event& b) const { - return a.time() >= b.time(); - } -}; - -/** 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) + +void +MidiModel::set_midi_source (MidiSource* s) { - read_lock(); - - const NoteMode old_note_mode = _note_mode; - _note_mode = Sustained; - - for (const_iterator i = begin(); i != end(); ++i) { - source->append_event_unlocked(Frames, *i); - } - - _note_mode = old_note_mode; - - read_unlock(); - _edited = false; - - return true; + _midi_source->invalidate (); + _midi_source = s; } - -XMLNode& MidiModel::get_state() -{ - XMLNode *node = new XMLNode("MidiModel"); - return *node; -} -