/*
- 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
*/
+#define __STDC_LIMIT_MACROS 1
+
#include <iostream>
#include <algorithm>
-#include <pbd/enumwriter.h>
-#include <ardour/midi_model.h>
-#include <ardour/midi_events.h>
-#include <ardour/midi_source.h>
-#include <ardour/types.h>
-#include <ardour/session.h>
+#include <stdexcept>
+#include <stdint.h>
+#include "pbd/error.h"
+#include "pbd/enumwriter.h"
+#include "midi++/events.h"
+
+#include "ardour/midi_model.h"
+#include "ardour/midi_source.h"
+#include "ardour/smf_source.h"
+#include "ardour/types.h"
+#include "ardour/session.h"
using namespace std;
using namespace ARDOUR;
+using namespace PBD;
-// Note
+MidiModel::MidiModel(MidiSource* s, size_t size)
+ : AutomatableSequence<TimeType>(s->session(), size)
+ , _midi_source(s)
+{
+}
-MidiModel::Note::Note(double t, double d, uint8_t n, uint8_t v)
- : _on_event(t, 3, NULL, true)
- , _off_event(t + d, 3, NULL, true)
+/** Start a new Delta 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)
{
- _on_event.buffer()[0] = MIDI_CMD_NOTE_ON;
- _on_event.buffer()[1] = n;
- _on_event.buffer()[2] = v;
-
- _off_event.buffer()[0] = MIDI_CMD_NOTE_OFF;
- _off_event.buffer()[1] = n;
- _off_event.buffer()[2] = 0x40;
-
- assert(time() == t);
- assert(duration() == d);
- assert(note() == n);
- assert(velocity() == v);
+ DeltaCommand* cmd = new DeltaCommand(_midi_source->model(), name);
+ return cmd;
}
+/** 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::DiffCommand*
+MidiModel::new_diff_command(const string name)
+{
+ DiffCommand* cmd = new DiffCommand(_midi_source->model(), name);
+ return cmd;
+}
-MidiModel::Note::Note(const Note& copy)
- : _on_event(copy._on_event, true)
- , _off_event(copy._off_event, true)
+/** Apply a command.
+ *
+ * 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(Session& session, Command* cmd)
{
- /*
- assert(copy._on_event.size == 3);
- _on_event.buffer = _on_event_buffer;
- memcpy(_on_event_buffer, copy._on_event_buffer, 3);
-
- assert(copy._off_event.size == 3);
- _off_event.buffer = _off_event_buffer;
- memcpy(_off_event_buffer, copy._off_event_buffer, 3);
- */
+ session.begin_reversible_command(cmd->name());
+ (*cmd)();
+ session.commit_reversible_command(cmd);
+ set_edited(true);
+}
- assert(time() == copy.time());
- assert(end_time() == copy.end_time());
- assert(note() == copy.note());
- assert(velocity() == copy.velocity());
- assert(duration() == copy.duration());
+/** 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);
}
-const MidiModel::Note&
-MidiModel::Note::operator=(const Note& copy)
+// DeltaCommand
+
+MidiModel::DeltaCommand::DeltaCommand(boost::shared_ptr<MidiModel> m, const std::string& name)
+ : Command(name)
+ , _model(m)
+ , _name(name)
{
- _on_event = copy._on_event;
- _off_event = copy._off_event;
- /*_on_event.time = copy._on_event.time;
- assert(copy._on_event.size == 3);
- memcpy(_on_event_buffer, copy._on_event_buffer, 3);
-
- _off_event.time = copy._off_event.time;
- assert(copy._off_event.size == 3);
- memcpy(_off_event_buffer, copy._off_event_buffer, 3);
- */
-
- assert(time() == copy.time());
- assert(end_time() == copy.end_time());
- assert(note() == copy.note());
- assert(velocity() == copy.velocity());
- assert(duration() == copy.duration());
-
- return *this;
+ assert(_model);
}
-// MidiModel
+MidiModel::DeltaCommand::DeltaCommand(boost::shared_ptr<MidiModel> m, const XMLNode& node)
+ : _model(m)
+{
+ assert(_model);
+ set_state(node, Stateful::loading_state_version);
+}
-MidiModel::MidiModel(Session& s, size_t size)
- : Automatable(s, "midi model")
- , _notes(size)
- , _note_mode(Sustained)
- , _writing(false)
- , _edited(false)
- , _active_notes(LaterNoteEndComparator())
+void
+MidiModel::DeltaCommand::add(const boost::shared_ptr< Evoral::Note<TimeType> > note)
{
+ _removed_notes.remove(note);
+ _added_notes.push_back(note);
}
+void
+MidiModel::DeltaCommand::remove(const boost::shared_ptr< Evoral::Note<TimeType> > note)
+{
+ _added_notes.remove(note);
+ _removed_notes.push_back(note);
+}
-/** 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) const
+void
+MidiModel::DeltaCommand::operator()()
{
- size_t read_events = 0;
+ // 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
- /* FIXME: cache last lookup value to avoid O(n) search every time */
+ MidiModel::WriteLock lock(_model->edit_lock());
- if (_note_mode == Sustained) {
+ for (NoteList::iterator i = _added_notes.begin(); i != _added_notes.end(); ++i) {
+ _model->add_note_unlocked(*i);
+ }
- for (Notes::const_iterator n = _notes.begin(); n != _notes.end(); ++n) {
+ for (NoteList::iterator i = _removed_notes.begin(); i != _removed_notes.end(); ++i) {
+ _model->remove_note_unlocked(*i);
+ }
- while ( ! _active_notes.empty() ) {
- const Note* const earliest_off = _active_notes.top();
- const MidiEvent& off_ev = earliest_off->off_event();
- if (off_ev.time() < start + nframes && off_ev.time() <= n->time()) {
- dst.write(off_ev.time() + stamp_offset, off_ev.size(), off_ev.buffer());
- _active_notes.pop();
- ++read_events;
- } else {
- break;
- }
- }
+ lock.reset();
+ _model->ContentsChanged(); /* EMIT SIGNAL */
+}
- if (n->time() >= start + nframes)
- break;
+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
- // Note on
- if (n->time() >= start) {
- const MidiEvent& on_ev = n->on_event();
- dst.write(on_ev.time() + stamp_offset, on_ev.size(), on_ev.buffer());
- _active_notes.push(&(*n));
- ++read_events;
- }
+ MidiModel::WriteLock lock(_model->edit_lock());;
- }
-
- // Write any trailing note offs
- while ( ! _active_notes.empty() ) {
- const Note* const earliest_off = _active_notes.top();
- const MidiEvent& off_ev = earliest_off->off_event();
- if (off_ev.time() < start + nframes) {
- dst.write(off_ev.time() + stamp_offset, off_ev.size(), off_ev.buffer());
- _active_notes.pop();
- ++read_events;
- } else {
- break;
- }
- }
+ for (NoteList::iterator i = _added_notes.begin(); i != _added_notes.end(); ++i) {
+ _model->remove_note_unlocked(*i);
+ }
- // Percussive
- } else {
- for (Notes::const_iterator n = _notes.begin(); n != _notes.end(); ++n) {
- // Note on
- if (n->time() >= start) {
- if (n->time() < start + nframes) {
- const MidiEvent& ev = n->on_event();
- dst.write(ev.time() + stamp_offset, ev.size(), ev.buffer());
- ++read_events;
- } else {
- break;
- }
- }
- }
+ for (NoteList::iterator i = _removed_notes.begin(); i != _removed_notes.end(); ++i) {
+ _model->add_note_unlocked(*i);
}
- return read_events;
+ lock.reset();
+ _model->ContentsChanged(); /* EMIT SIGNAL */
}
-
-/** 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()
+XMLNode&
+MidiModel::DeltaCommand::marshal_note(const boost::shared_ptr< Evoral::Note<TimeType> > note)
{
- //cerr << "MM " << this << " START WRITE, MODE = " << enum_2_string(_note_mode) << endl;
- write_lock();
- _writing = true;
- _write_notes.clear();
- write_unlock();
-}
+ 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());
-/** 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)
+ ostringstream length_str(ios::ate);
+ length_str <<(unsigned int) 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;
+}
+
+boost::shared_ptr< Evoral::Note<MidiModel::TimeType> >
+MidiModel::DeltaCommand::unmarshal_note(XMLNode *xml_note)
{
- 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);
- } else {
- ++n;
- }
- }
+ 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;
}
- _write_notes.clear();
- _writing = false;
- write_unlock();
+ boost::shared_ptr< Evoral::Note<TimeType> > note_ptr(new Evoral::Note<TimeType>(
+ channel, time, length, note, velocity));
+ return note_ptr;
}
+#define ADDED_NOTES_ELEMENT "AddedNotes"
+#define REMOVED_NOTES_ELEMENT "RemovedNotes"
+#define DELTA_COMMAND_ELEMENT "DeltaCommand"
-/** Append contents of \a buf 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.
- *
- * Events in buf are deep copied.
- */
-void
-MidiModel::append(const MidiBuffer& buf)
-{
- write_lock();
+int
+MidiModel::DeltaCommand::set_state (const XMLNode& delta_command, int /*version*/)
+{
+ if (delta_command.name() != string(DELTA_COMMAND_ELEMENT)) {
+ return 1;
+ }
- assert(_writing);
+ _added_notes.clear();
+ XMLNode* added_notes = delta_command.child(ADDED_NOTES_ELEMENT);
+ if (added_notes) {
+ XMLNodeList notes = added_notes->children();
+ transform(notes.begin(), notes.end(), back_inserter(_added_notes),
+ sigc::mem_fun(*this, &DeltaCommand::unmarshal_note));
+ }
- for (MidiBuffer::const_iterator i = buf.begin(); i != buf.end(); ++i) {
- assert(_notes.empty() || (*i).time() >= _notes.back().time());
- append(*i);
+ _removed_notes.clear();
+ XMLNode* removed_notes = delta_command.child(REMOVED_NOTES_ELEMENT);
+ if (removed_notes) {
+ XMLNodeList notes = removed_notes->children();
+ transform(notes.begin(), notes.end(), back_inserter(_removed_notes),
+ sigc::mem_fun(*this, &DeltaCommand::unmarshal_note));
}
-
- write_unlock();
+
+ 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());
-/** 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 MidiEvent& ev)
+ 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;
+}
+
+/************** DIFF COMMAND ********************/
+
+#define DIFF_NOTES_ELEMENT "ChangedNotes"
+#define DIFF_COMMAND_ELEMENT "DiffCommand"
+
+MidiModel::DiffCommand::DiffCommand(boost::shared_ptr<MidiModel> m, const std::string& name)
+ : Command(name)
+ , _model(m)
+ , _name(name)
{
- write_lock();
-
- assert(_notes.empty() || ev.time() >= _notes.back().time());
- assert(_writing);
-
- if (ev.is_note_on())
- append_note_on_unlocked(ev.time(), ev.note(), ev.velocity());
- else if (ev.is_note_off())
- append_note_off_unlocked(ev.time(), ev.note());
- else if (ev.is_cc())
- append_cc_unlocked(ev.time(), ev.cc_number(), ev.cc_value());
- else
- printf("MM Unknown event type %X\n", ev.type());
-
- write_unlock();
+ assert(_model);
}
+MidiModel::DiffCommand::DiffCommand(boost::shared_ptr<MidiModel> m, const XMLNode& node)
+ : _model(m)
+{
+ assert(_model);
+ set_state(node, Stateful::loading_state_version);
+}
void
-MidiModel::append_note_on_unlocked(double time, uint8_t note_num, uint8_t velocity)
+MidiModel::DiffCommand::change(const boost::shared_ptr< Evoral::Note<TimeType> > note, Property prop,
+ uint8_t new_value)
{
- //cerr << "MidiModel " << this << " note " << (int)note_num << " on @ " << time << endl;
-
- assert(_writing);
- _notes.push_back(Note(time, 0, note_num, velocity));
- if (_note_mode == Sustained) {
- //cerr << "MM Sustained: Appending active note on " << (unsigned)(uint8_t)note_num << endl;
- _write_notes.push_back(_notes.size() - 1);
- } else {
- //cerr << "MM Percussive: NOT appending active note on" << endl;
+ NotePropertyChange change;
+
+ change.note = note;
+ change.property = prop;
+ change.new_value = new_value;
+
+ switch (prop) {
+ case NoteNumber:
+ change.old_value = note->note();
+ break;
+ case Velocity:
+ change.old_value = note->velocity();
+ 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;
+ case Channel:
+ change.old_value = note->channel();
+ break;
}
+
+ _changes.push_back (change);
}
+void
+MidiModel::DiffCommand::change(const boost::shared_ptr< Evoral::Note<TimeType> > note, Property prop,
+ TimeType new_time)
+{
+ NotePropertyChange change;
+
+ change.note = note;
+ change.property = prop;
+ change.new_time = new_time;
+
+ 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:
+ change.old_time = note->time();
+ break;
+ case Length:
+ change.old_time = note->length();
+ break;
+ }
+
+ _changes.push_back (change);
+}
void
-MidiModel::append_note_off_unlocked(double time, uint8_t note_num)
+MidiModel::DiffCommand::operator()()
{
- //cerr << "MidiModel " << this << " note " << (int)note_num << " off @ " << time << endl;
+ MidiModel::WriteLock lock(_model->edit_lock());
- assert(_writing);
- if (_note_mode == Percussive) {
- //cerr << "MM Ignoring note off (percussive mode)" << endl;
- return;
- } else {
- //cerr << "MM Attempting to resolve note off " << (unsigned)(uint8_t)note_num << endl;
- }
-
- /* 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 */
-
- for (WriteNotes::iterator n = _write_notes.begin(); n != _write_notes.end(); ++n) {
- Note& note = _notes[*n];
- //cerr << (unsigned)(uint8_t)note.note() << " ? " << (unsigned)note_num << endl;
- if (note.note() == note_num) {
- assert(time > note.time());
- note.set_duration(time - note.time());
- _write_notes.erase(n);
- //cerr << "MM resolved note, duration: " << note.duration() << endl;
+ for (ChangeList::iterator i = _changes.begin(); i != _changes.end(); ++i) {
+ Property prop = i->property;
+ switch (prop) {
+ case NoteNumber:
+ i->note->set_note (i->new_value);
+ break;
+ case Velocity:
+ i->note->set_velocity (i->new_value);
+ break;
+ case StartTime:
+ i->note->set_time (i->new_time);
+ break;
+ case Length:
+ i->note->set_length (i->new_time);
+ break;
+ case Channel:
+ i->note->set_channel (i->new_value);
break;
}
}
-}
+ lock.reset();
+ _model->ContentsChanged(); /* EMIT SIGNAL */
+}
void
-MidiModel::append_cc_unlocked(double time, uint8_t number, uint8_t value)
+MidiModel::DiffCommand::undo()
{
- Parameter param(MidiCCAutomation, number);
+ MidiModel::WriteLock lock(_model->edit_lock());
- //cerr << "MidiModel " << this << " add CC " << (int)number << " = " << (int)value
- // << " @ " << time << endl;
-
- boost::shared_ptr<AutomationControl> control = Automatable::control(param, true);
- control->list()->fast_simple_add(time, (double)value);
-}
+ for (ChangeList::iterator i = _changes.begin(); i != _changes.end(); ++i) {
+ Property prop = i->property;
+ switch (prop) {
+ case NoteNumber:
+ i->note->set_note (i->old_value);
+ break;
+ case Velocity:
+ i->note->set_velocity (i->old_value);
+ break;
+ case StartTime:
+ i->note->set_time (i->old_time);
+ break;
+ case Length:
+ i->note->set_length (i->old_time);
+ break;
+ case Channel:
+ i->note->set_channel (i->old_value);
+ break;
+ }
+ }
+ lock.reset();
+ _model->ContentsChanged(); /* EMIT SIGNAL */
+}
-void
-MidiModel::add_note_unlocked(const Note& note)
+XMLNode&
+MidiModel::DiffCommand::marshal_change(const NotePropertyChange& change)
{
- //cerr << "MidiModel " << this << " add note " << (int)note.note() << " @ " << note.time() << endl;
- Notes::iterator i = upper_bound(_notes.begin(), _notes.end(), note, note_time_comparator);
- _notes.insert(i, note);
-}
+ XMLNode* xml_change = new XMLNode("change");
+ /* first, the change itself */
-void
-MidiModel::remove_note_unlocked(const Note& note)
-{
- //cerr << "MidiModel " << this << " remove note " << (int)note.note() << " @ " << note.time() << endl;
- Notes::iterator n = find(_notes.begin(), _notes.end(), note);
- if (n != _notes.end())
- _notes.erase(n);
-}
+ xml_change->add_property ("property", enum_2_string (change.property));
-/** 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();
+ {
+ 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());
+ }
- return true;
+ {
+ 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<const SMFSource*> (_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());
+ }
+
+ return *xml_change;
}
-#endif
-/** Start a new 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::NotePropertyChange
+MidiModel::DiffCommand::unmarshal_change(XMLNode *xml_change)
{
- DeltaCommand* cmd = new DeltaCommand(*this, name);
- return cmd;
-}
+ XMLProperty* prop;
+ NotePropertyChange 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*/
+ }
-/** Apply a command.
- *
- * 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)
-{
- _session.begin_reversible_command(cmd->name());
- (*cmd)();
- assert(is_sorted());
- _session.commit_reversible_command(cmd);
- _edited = true;
-}
+ 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;
+ }
-// MidiEditCommand
+ 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;
+ }
-void
-MidiModel::DeltaCommand::add(const Note& note)
-{
- //cerr << "MEC: apply" << endl;
+ 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;
+ }
- _removed_notes.remove(note);
- _added_notes.push_back(note);
-}
+ /* we must point at the instance of the note that is actually in the model.
+ so go look for it ...
+ */
+ boost::shared_ptr<Evoral::Note<TimeType> > new_note (new Evoral::Note<TimeType> (channel, time, length, note, velocity));
-void
-MidiModel::DeltaCommand::remove(const Note& note)
-{
- //cerr << "MEC: remove" << endl;
+ change.note = _model->find_note (new_note);
- _added_notes.remove(note);
- _removed_notes.push_back(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;
}
-
-void
-MidiModel::DeltaCommand::operator()()
+int
+MidiModel::DiffCommand::set_state(const XMLNode& diff_command, int /*version*/)
{
- // 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();
-
- for (std::list<Note>::iterator i = _added_notes.begin(); i != _added_notes.end(); ++i)
- _model.add_note_unlocked(*i);
-
- for (std::list<Note>::iterator i = _removed_notes.begin(); i != _removed_notes.end(); ++i)
- _model.remove_note_unlocked(*i);
-
- _model.write_unlock();
-
- _model.ContentsChanged(); /* EMIT SIGNAL */
-}
+ if (diff_command.name() != string(DIFF_COMMAND_ELEMENT)) {
+ return 1;
+ }
+ _changes.clear();
-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();
-
- for (std::list<Note>::iterator i = _added_notes.begin(); i != _added_notes.end(); ++i)
- _model.remove_note_unlocked(*i);
-
- for (std::list<Note>::iterator i = _removed_notes.begin(); i != _removed_notes.end(); ++i)
- _model.add_note_unlocked(*i);
-
- _model.write_unlock();
-
- _model.ContentsChanged(); /* EMIT SIGNAL */
+ 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),
+ sigc::mem_fun(*this, &DiffCommand::unmarshal_change));
+ }
+
+ 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(), sigc::compose(
+ sigc::mem_fun(*changes, &XMLNode::add_child_nocopy),
+ sigc::mem_fun(*this, &DiffCommand::marshal_change)));
+ return *diff_command;
+}
+
+/** Write the model to a MidiSource (i.e. save the model).
+ * This is different from manually using read to write to a source in that
+ * note off events are written regardless of the track mode. This is so the
+ * user can switch a recorded track (with note durations from some instrument)
+ * to percussive, save, reload, then switch it back to sustained without
+ * destroying the original note durations.
+ */
bool
MidiModel::write_to(boost::shared_ptr<MidiSource> source)
{
- //cerr << "Writing model to " << source->name() << endl;
-
- /* This could be done using a temporary MidiRingBuffer and using
- * MidiModel::read and MidiSource::write, but this is more efficient
- * and doesn't require any buffer size assumptions (ie it's worth
- * the code duplication).
- *
- * This is also different from read 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 preserving the original
- * note durations.
- */
-
- /* Percussive
- for (Notes::const_iterator n = _notes.begin(); n != _notes.end(); ++n) {
- const MidiEvent& ev = n->on_event();
- source->append_event_unlocked(ev);
- }*/
-
- read_lock();
-
- LaterNoteEndComparator cmp;
- ActiveNotes active_notes(cmp);
-
- // Foreach note
- for (Notes::const_iterator n = _notes.begin(); n != _notes.end(); ++n) {
-
- // Write any pending note offs earlier than this note on
- while ( ! active_notes.empty() ) {
- const Note* const earliest_off = active_notes.top();
- const MidiEvent& off_ev = earliest_off->off_event();
- if (off_ev.time() <= n->time()) {
- source->append_event_unlocked(off_ev);
- active_notes.pop();
- } else {
- break;
- }
- }
+ ReadLock lock(read_lock());
- // Write this note on
- source->append_event_unlocked(n->on_event());
- if (n->duration() > 0)
- active_notes.push(&(*n));
- }
-
- // Write any trailing note offs
- while ( ! active_notes.empty() ) {
- source->append_event_unlocked(active_notes.top()->off_event());
- active_notes.pop();
+ const bool old_percussive = percussive();
+ set_percussive(false);
+
+ source->drop_model();
+ source->mark_streaming_midi_write_started(note_mode(), _midi_source->timeline_position());
+
+ for (Evoral::Sequence<TimeType>::const_iterator i = begin(); i != end(); ++i) {
+ source->append_event_unlocked_beats(*i);
}
- _edited = false;
-
- read_unlock();
+ set_percussive(old_percussive);
+ source->mark_streaming_write_completed();
+
+ set_edited(false);
return true;
}
return *node;
}
+boost::shared_ptr<Evoral::Note<MidiModel::TimeType> >
+MidiModel::find_note (boost::shared_ptr<Evoral::Note<TimeType> > other)
+{
+ Notes::iterator l = notes().lower_bound(other);
+
+ if (l != notes().end()) {
+ for (; (*l)->time() == other->time(); ++l) {
+ if (*l == other) {
+ return *l;
+ }
+ }
+ }
+
+ return boost::shared_ptr<Evoral::Note<TimeType> >();
+}
+
+/** Lock and invalidate the source.
+ * This should be used by commands and editing things
+ */
+MidiModel::WriteLock
+MidiModel::edit_lock()
+{
+ Glib::Mutex::Lock* source_lock = new Glib::Mutex::Lock(_midi_source->mutex());
+ _midi_source->invalidate(); // Release cached iterator's read lock on model
+ return WriteLock(new WriteLockImpl(source_lock, _lock, _control_lock));
+}
+
+/** Lock just the model, the source lock must already be held.
+ * This should only be called from libardour/evoral places
+ */
+MidiModel::WriteLock
+MidiModel::write_lock()
+{
+ assert(!_midi_source->mutex().trylock());
+ return WriteLock(new WriteLockImpl(NULL, _lock, _control_lock));
+}
projects / ardour.git / blobdiff