/*
- Copyright (C) 2007 Paul Davis
- Written by Dave Robillard, 2007
+ Copyright (C) 2007 Paul Davis
+ Written by Dave Robillard, 2007
- 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 <stdexcept>
#include <stdint.h>
#include <pbd/enumwriter.h>
+#include <midi++/events.h>
+
#include <ardour/midi_model.h>
-#include <ardour/midi_events.h>
#include <ardour/midi_source.h>
#include <ardour/types.h>
#include <ardour/session.h>
using namespace std;
using namespace ARDOUR;
+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)
+ , _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();
+ _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 = make_pair(boost::shared_ptr<AutomationList>(),
- make_pair(DBL_MAX, 0.0));
+
+ MidiControlIterator earliest_control(boost::shared_ptr<AutomationList>(), 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);
+ 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;*/
+ //cerr << "MIDI Iterator: CC " << i->first.id() << " (size " << i->second->list()->size()
+ // << ") has no events past " << t << endl;
continue;
- }
+ }
assert(x >= 0);
- assert(y >= 0);
- assert(y <= UINT8_MAX);
-
- const MidiControlIterator new_iter = make_pair(i->second->list(), make_pair(x, y));
-
+
+ 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 (x < earliest_control.second.first) {
+ // 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 = MidiEvent((*_note_iter)->on_event(), false);
- _active_notes.push(*_note_iter);
- ++_note_iter;
+ _event = boost::shared_ptr<MIDI::Event>(new MIDI::Event((*_note_iter)->on_event(), true));
}
- if (earliest_control.first && earliest_control.second.first < _event.time())
+ 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
+ } else {
_control_iter = _control_iters.end();
+ }
- if (_event.size() == 0) {
+ if ( (! _event.get()) || _event->size() == 0) {
//cerr << "Created MIDI iterator @ " << t << " is at end." << endl;
_is_end = true;
- _model->read_unlock();
- _locked = false;
- } /*else {
- printf("MIDI Iterator = %X @ %lf\n", _event.type(), _event.time());
- }*/
-}
+ // 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)
+ if (_locked) {
_model->read_unlock();
+ }
}
-
-const MidiModel::const_iterator&
-MidiModel::const_iterator::operator++()
+const MidiModel::const_iterator& MidiModel::const_iterator::operator++()
{
- if (_is_end)
+ 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;*/
- assert(_event.is_note() || _event.is_cc());
+ 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 (_control_iter != _control_iters.end() && _control_iter->first && _event.is_cc()) {
- double x, y;
- const bool ret = _control_iter->first->rt_safe_earliest_event_unlocked(
- _control_iter->second.first, DBL_MAX, x, y, false);
+ 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) {
- //cerr << "Incremented " << _control_iter->first->parameter().id() << " to " << x << endl;
- _control_iter->second.first = x;
- _control_iter->second.second = y;
+ _control_iter->x = x;
+ _control_iter->y = y;
} else {
- //cerr << "Hit end of " << _control_iter->first->parameter().id() << endl;
- _control_iter->first.reset();
- _control_iter->second.first = DBL_MAX;
+ _control_iter->automation_list.reset();
+ _control_iter->x = DBL_MAX;
}
}
- // Now find and point at the earliest event
-
+ const std::vector<MidiControlIterator>::iterator old_control_iter = _control_iter;
_control_iter = _control_iters.begin();
+ // find the _control_iter with the earliest event time
for (std::vector<MidiControlIterator>::iterator i = _control_iters.begin();
i != _control_iters.end(); ++i) {
- if (i->second.first < _control_iter->second.first) {
+ if (i->x < _control_iter->x) {
_control_iter = i;
}
}
-
- enum Type { NIL, NOTE_ON, NOTE_OFF, CC };
-
- Type type = NIL;
- double t = 0;
+
+ 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()) {
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->second.first != DBL_MAX)
- if (type == NIL || _control_iter->second.first < t)
- type = CC;
+ 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 = MidiEvent((*_note_iter)->on_event(), false);
+ *_event = (*_note_iter)->on_event();
_active_notes.push(*_note_iter);
++_note_iter;
} else if (type == NOTE_OFF) {
//cerr << "********** MIDI Iterator = note off" << endl;
- _event = MidiEvent(_active_notes.top()->off_event(), false);
+ *_event = _active_notes.top()->off_event();
_active_notes.pop();
- } else if (type == CC) {
- //cerr << "********** MIDI Iterator = CC" << endl;
+ } else if (type == AUTOMATION) {
+ //cerr << "********** MIDI Iterator = Automation" << endl;
_model->control_to_midi_event(_event, *_control_iter);
} else {
- //cerr << "********** MIDI Iterator = END" << endl;
+ //cerr << "********** MIDI Iterator = End" << endl;
_is_end = true;
- _model->read_unlock();
- _locked = false;
}
- assert(_is_end || _event.size() > 0);
+ assert(_is_end || _event->size() > 0);
return *this;
}
-
-bool
-MidiModel::const_iterator::operator==(const const_iterator& other) const
+bool MidiModel::const_iterator::operator==(const const_iterator& other) const
{
- if (_is_end || other._is_end)
+ if (_is_end || other._is_end) {
return (_is_end == other._is_end);
- else
+ } else {
return (_event == other._event);
+ }
}
-
-MidiModel::const_iterator&
-MidiModel::const_iterator::operator=(const const_iterator& other)
+MidiModel::const_iterator& MidiModel::const_iterator::operator=(const const_iterator& other)
{
- if (_locked && _model != other._model)
+ if (_locked && _model != other._model) {
_model->read_unlock();
+ }
- assert( ! other._event.owns_buffer());
-
- _model = other._model;
- _event = other._event;
- _is_end = other._is_end;
- _locked = other._locked;
- _note_iter = other._note_iter;
+ _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;
- _control_iter = other._control_iter;
-
- assert( ! _event.owns_buffer());
+ size_t index = other._control_iter - other._control_iters.begin();
+ _control_iter = _control_iters.begin() + index;
- if (_locked)
- _model->read_lock();
+ if (!_is_end)
+ _event = boost::shared_ptr<MIDI::Event>(new MIDI::Event(*other._event, true));
return *this;
}
-
// MidiModel
-MidiModel::MidiModel(Session& s, size_t size)
- : Automatable(s, "midi model")
+MidiModel::MidiModel(MidiSource *s, size_t size)
+ : Automatable(s->session(), "midi model")
, _notes(size)
, _note_mode(Sustained)
, _writing(false)
, _end_iter(*this, DBL_MAX)
, _next_read(UINT32_MAX)
, _read_iter(*this, DBL_MAX)
+ , _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) const
+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 << " * " << nframes << " + " << stamp_offset << endl;
+ //cerr << this << " MM::read @ " << start << " frames: " << nframes << " -> " << stamp_offset << endl;
//cerr << this << " MM # notes: " << n_notes() << endl;
size_t read_events = 0;
//cerr << "Using cached iterator at " << _next_read << endl;
}
- if (_read_iter == end()) {
- //cerr << this << " MM::read: at end @ " << _read_iter->time() << endl;
- } else {
- //cerr << this << " MM::read: at " << _read_iter->time() << endl;
- }
-
_next_read = start + nframes;
while (_read_iter != end() && _read_iter->time() < start + nframes) {
assert(_read_iter->size() > 0);
- dst.write(_read_iter->time() + stamp_offset, _read_iter->size(), _read_iter->buffer());
- //cerr << this << " MM::read event @ " << _read_iter->time() << endl;
+ 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(MidiEvent& ev, const MidiControlIterator& iter) const
+MidiModel::control_to_midi_event(boost::shared_ptr<MIDI::Event> ev, const MidiControlIterator& iter) const
{
- if (iter.first->parameter().type() == MidiCCAutomation) {
- if (ev.size() < 3)
- ev.set_buffer((Byte*)malloc(3), true);
-
- assert(iter.first);
- assert(iter.first->parameter().id() <= INT8_MAX);
- assert(iter.second.second <= INT8_MAX);
- ev.buffer()[0] = MIDI_CMD_CONTROL;
- ev.buffer()[1] = (Byte)iter.first->parameter().id();
- ev.buffer()[2] = (Byte)iter.second.second;
- ev.time() = iter.second.first; // x
- ev.size() = 3;
- return true;
- } else {
+ assert(iter.automation_list.get());
+ if (!ev)
+ ev = boost::shared_ptr<MIDI::Event>(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
* stored; note off events are discarded entirely and all contained notes will
* have duration 0.
*/
-void
-MidiModel::start_write()
+void MidiModel::start_write()
{
//cerr << "MM " << this << " START WRITE, MODE = " << enum_2_string(_note_mode) << endl;
write_lock();
_writing = true;
- _write_notes.clear();
+ 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)
+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() ; ) {
+ 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;
}
}
}
- _write_notes.clear();
+ 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 MidiEvent& ev)
+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.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());
-
+ 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(double time, uint8_t note_num, uint8_t velocity)
+void MidiModel::append_note_on_unlocked(uint8_t chan, double time,
+ uint8_t note_num, uint8_t velocity)
{
- //cerr << "MidiModel " << this << " note " << (int)note_num << " on @ " << time << endl;
+ /*cerr << "MidiModel " << this << " chan " << (int)chan <<
+ " note " << (int)note_num << " on @ " << time << endl;*/
+ assert(chan < 16);
assert(_writing);
- _notes.push_back(boost::shared_ptr<Note>(new Note(time, 0, note_num, velocity)));
+ _edited = true;
+
+ boost::shared_ptr<Note> 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.push_back(_notes.size() - 1);
- } else {
- //cerr << "MM Percussive: NOT appending active note on" << 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(double time, uint8_t note_num)
+void MidiModel::append_note_off_unlocked(uint8_t chan, double time,
+ uint8_t note_num)
{
- //cerr << "MidiModel " << this << " note " << (int)note_num << " off @ " << time << endl;
+ /*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 << "MM Ignoring note off (percussive mode)" << endl;
+ cerr << "MidiModel 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) {
+ bool resolved = false;
+
+ for (WriteNotes::iterator n = _write_notes[chan].begin(); n
+ != _write_notes[chan].end(); ++n) {
Note& note = *_notes[*n].get();
- //cerr << (unsigned)(uint8_t)note.note() << " ? " << (unsigned)note_num << endl;
if (note.note() == note_num) {
- assert(time > note.time());
+ assert(time >= note.time());
note.set_duration(time - note.time());
- _write_notes.erase(n);
+ _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_cc_unlocked(double time, uint8_t number, uint8_t value)
+void MidiModel::append_automation_event_unlocked(AutomationType type,
+ uint8_t chan, double time, uint8_t first_byte, uint8_t second_byte)
{
- Parameter param(MidiCCAutomation, number);
-
+ //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<AutomationControl> control = Automatable::control(param, true);
- //cerr << "MidiModel " << this << "(" << control.get() << ") add CC " << (int)number << " = " << (int)value
- // << " @ " << time << endl;
- control->list()->fast_simple_add(time, (double)value);
+ control->list()->rt_add(time, value);
}
-
-void
-MidiModel::add_note_unlocked(const boost::shared_ptr<Note> note)
+void MidiModel::add_note_unlocked(const boost::shared_ptr<Note> note)
{
//cerr << "MidiModel " << this << " add note " << (int)note.note() << " @ " << note.time() << endl;
- Notes::iterator i = upper_bound(_notes.begin(), _notes.end(), note, note_time_comparator);
+ _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<const Note> note)
+void MidiModel::remove_note_unlocked(const boost::shared_ptr<const Note> note)
{
+ _edited = true;
//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);
+ 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 MidiModel::is_sorted() const {
bool t = 0;
for (Notes::const_iterator n = _notes.begin(); n != _notes.end(); ++n)
if ((*n)->time() < t)
* 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::DeltaCommand* MidiModel::new_delta_command(const string name)
{
- DeltaCommand* cmd = new DeltaCommand(*this, name);
+ DeltaCommand* cmd = new DeltaCommand(_midi_source->model(), name);
return cmd;
}
-
/** 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)
+void MidiModel::apply_command(Command* cmd)
{
_session.begin_reversible_command(cmd->name());
(*cmd)();
_edited = true;
}
-
// MidiEditCommand
+MidiModel::DeltaCommand::DeltaCommand(boost::shared_ptr<MidiModel> m,
+ const std::string& name)
+ : Command(name)
+ , _model(m)
+ , _name(name)
+{
+}
-void
-MidiModel::DeltaCommand::add(const boost::shared_ptr<Note> note)
+MidiModel::DeltaCommand::DeltaCommand(boost::shared_ptr<MidiModel> m,
+ const XMLNode& node)
+ : _model(m)
{
- //cerr << "MEC: apply" << endl;
+ set_state(node);
+}
+void MidiModel::DeltaCommand::add(const boost::shared_ptr<Note> note)
+{
+ //cerr << "MEC: apply" << endl;
_removed_notes.remove(note);
_added_notes.push_back(note);
}
-
-void
-MidiModel::DeltaCommand::remove(const boost::shared_ptr<Note> note)
+void MidiModel::DeltaCommand::remove(const boost::shared_ptr<Note> note)
{
//cerr << "MEC: remove" << endl;
-
_added_notes.remove(note);
_removed_notes.push_back(note);
}
-
-void
-MidiModel::DeltaCommand::operator()()
+void MidiModel::DeltaCommand::operator()()
{
// 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());
- const double iter_time = _model._read_iter->time();
+ const bool reset_iter = (_model->_read_iter.locked());
+ double iter_time = -1.0;
- if (reset_iter)
- _model._read_iter = _model.end(); // drop read lock
+ 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());
+ assert( ! _model->_read_iter.locked());
+
+ _model->write_lock();
- _model.write_lock();
-
for (std::list< boost::shared_ptr<Note> >::iterator i = _added_notes.begin(); i != _added_notes.end(); ++i)
- _model.add_note_unlocked(*i);
-
+ _model->add_note_unlocked(*i);
+
for (std::list< boost::shared_ptr<Note> >::iterator i = _removed_notes.begin(); i != _removed_notes.end(); ++i)
- _model.remove_note_unlocked(*i);
-
- _model.write_unlock();
+ _model->remove_note_unlocked(*i);
- if (reset_iter)
- _model._read_iter = const_iterator(_model, iter_time);
-
- _model.ContentsChanged(); /* EMIT SIGNAL */
-}
+ _model->write_unlock();
+ if (reset_iter && iter_time != -1.0) {
+ _model->_read_iter = const_iterator(*_model.get(), iter_time);
+ }
+
+ _model->ContentsChanged(); /* EMIT SIGNAL */
+}
-void
-MidiModel::DeltaCommand::undo()
+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());
- const double iter_time = _model._read_iter->time();
+ const bool reset_iter = (_model->_read_iter.locked());
+ double iter_time = -1.0;
- if (reset_iter)
- _model._read_iter = _model.end(); // drop read lock
-
- assert( ! _model._read_iter.locked());
+ 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
+ }
- _model.write_lock();
+ assert( ! _model->_read_iter.locked());
- for (std::list< boost::shared_ptr<Note> >::iterator i = _added_notes.begin(); i != _added_notes.end(); ++i)
- _model.remove_note_unlocked(*i);
-
- for (std::list< boost::shared_ptr<Note> >::iterator i = _removed_notes.begin(); i != _removed_notes.end(); ++i)
- _model.add_note_unlocked(*i);
-
- _model.write_unlock();
-
- if (reset_iter)
- _model._read_iter = const_iterator(_model, iter_time);
-
- _model.ContentsChanged(); /* EMIT SIGNAL */
+ _model->write_lock();
+
+ for (std::list< boost::shared_ptr<Note> >::iterator i = _added_notes.begin(); i
+ != _added_notes.end(); ++i)
+ _model->remove_note_unlocked(*i);
+
+ for (std::list< boost::shared_ptr<Note> >::iterator i =
+ _removed_notes.begin(); i != _removed_notes.end(); ++i)
+ _model->add_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 */
}
+XMLNode & MidiModel::DeltaCommand::marshal_note(const boost::shared_ptr<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());
+
+ ostringstream channel_str(ios::ate);
+ channel_str << int(note->channel());
+ xml_note->add_property("channel", channel_str.str());
-bool
-MidiModel::write_to(boost::shared_ptr<MidiSource> source)
+ 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<Note> MidiModel::DeltaCommand::unmarshal_note(XMLNode *xml_note)
{
- //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);
- }*/
+ unsigned int note;
+ istringstream note_str(xml_note->property("note")->value());
+ note_str >> note;
- read_lock();
+ unsigned int channel;
+ istringstream channel_str(xml_note->property("channel")->value());
+ channel_str >> channel;
- 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 boost::shared_ptr<const Note> 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;
- }
- }
+ 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;
- // Write this note on
- source->append_event_unlocked((*n)->on_event());
- if ((*n)->duration() > 0)
- active_notes.push(*n);
+ unsigned int velocity;
+ istringstream velocity_str(xml_note->property("velocity")->value());
+ velocity_str >> velocity;
+
+ boost::shared_ptr<Note> 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;
}
-
- // Write any trailing note offs
- while ( ! active_notes.empty() ) {
- source->append_event_unlocked(active_notes.top()->off_event());
- active_notes.pop();
+
+ _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<MidiSource> source)
+{
+ read_lock();
- _edited = false;
+ 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;
}
-XMLNode&
-MidiModel::get_state()
+XMLNode& MidiModel::get_state()
{
XMLNode *node = new XMLNode("MidiModel");
return *node;