libs/evoral/src/Sequence.cpp

   1 /* This file is part of Evoral.
   2  * Copyright (C) 2008 David Robillard <http://drobilla.net>
   3  * Copyright (C) 2000-2008 Paul Davis
   4  *
   5  * Evoral is free software; you can redistribute it and/or modify it under the
   6  * terms of the GNU General Public License as published by the Free Software
   7  * Foundation; either version 2 of the License, or (at your option) any later
   8  * version.
   9  *
  10  * Evoral is distributed in the hope that it will be useful, but WITHOUT ANY
  11  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  12  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  17  */
  18
  19 #include <algorithm>
  20 #include <cmath>
  21 #include <iostream>
  22 #include <limits>
  23 #include <stdexcept>
  24 #include <stdint.h>
  25 #include <cstdio>
  26
  27 #include "pbd/compose.h"
  28 #include "pbd/error.h"
  29
  30 #include "evoral/Control.hpp"
  31 #include "evoral/ControlList.hpp"
  32 #include "evoral/ControlSet.hpp"
  33 #include "evoral/EventSink.hpp"
  34 #include "evoral/MIDIParameters.hpp"
  35 #include "evoral/Sequence.hpp"
  36 #include "evoral/TypeMap.hpp"
  37 #include "evoral/midi_util.h"
  38
  39 #include "i18n.h"
  40
  41 using namespace std;
  42 using namespace PBD;
  43
  44 /** Minimum time between MIDI outputs from a single interpolated controller,
  45     expressed in beats.  This is to limit the rate at which MIDI messages
  46     are generated.  It is only applied to interpolated controllers.
  47
  48     XXX: This is a hack.  The time should probably be expressed in
  49     seconds rather than beats, and should be configurable etc. etc.
  50 */
  51 static double const time_between_interpolated_controller_outputs = 1.0 / 256;
  52
  53 namespace Evoral {
  54
  55 // Read iterator (const_iterator)
  56
  57 template<typename Time>
  58 Sequence<Time>::const_iterator::const_iterator()
  59         : _seq(NULL)
  60         , _is_end(true)
  61         , _control_iter(_control_iters.end())
  62 {
  63         _event = boost::shared_ptr< Event<Time> >(new Event<Time>());
  64 }
  65
  66 /** @param force_discrete true to force ControlLists to use discrete evaluation, otherwise false to get them to use their configured mode */
  67 template<typename Time>
  68 Sequence<Time>::const_iterator::const_iterator(const Sequence<Time>& seq, Time t, bool force_discrete, std::set<Evoral::Parameter> const & filtered)
  69         : _seq(&seq)
  70         , _active_patch_change_message (0)
  71         , _type(NIL)
  72         , _is_end((t == DBL_MAX) || seq.empty())
  73         , _note_iter(seq.notes().end())
  74         , _sysex_iter(seq.sysexes().end())
  75         , _patch_change_iter(seq.patch_changes().end())
  76         , _control_iter(_control_iters.end())
  77         , _force_discrete (force_discrete)
  78 {
  79         DEBUG_TRACE (DEBUG::Sequence, string_compose ("Created Iterator @ %1 (is end: %2)\n)", t, _is_end));
  80
  81         if (_is_end) {
  82                 return;
  83         }
  84
  85         _lock = seq.read_lock();
  86
  87         // Find first note which begins at or after t
  88         _note_iter = seq.note_lower_bound(t);
  89
  90         // Find first sysex event at or after t
  91         for (typename Sequence<Time>::SysExes::const_iterator i = seq.sysexes().begin();
  92              i != seq.sysexes().end(); ++i) {
  93                 if ((*i)->time() >= t) {
  94                         _sysex_iter = i;
  95                         break;
  96                 }
  97         }
  98         assert(_sysex_iter == seq.sysexes().end() || (*_sysex_iter)->time() >= t);
  99
 100         // Find first patch event at or after t
 101         for (typename Sequence<Time>::PatchChanges::const_iterator i = seq.patch_changes().begin(); i != seq.patch_changes().end(); ++i) {
 102                 if ((*i)->time() >= t) {
 103                         _patch_change_iter = i;
 104                         break;
 105                 }
 106         }
 107         assert (_patch_change_iter == seq.patch_changes().end() || (*_patch_change_iter)->time() >= t);
 108
 109         // Find first control event after t
 110         ControlIterator earliest_control(boost::shared_ptr<ControlList>(), DBL_MAX, 0.0);
 111         _control_iters.reserve(seq._controls.size());
 112         bool   found                  = false;
 113         size_t earliest_control_index = 0;
 114         for (Controls::const_iterator i = seq._controls.begin(); i != seq._controls.end(); ++i) {
 115
 116                 if (filtered.find (i->first) != filtered.end()) {
 117                         /* this parameter is filtered, so don't bother setting up an iterator for it */
 118                         continue;
 119                 }
 120
 121                 DEBUG_TRACE (DEBUG::Sequence, string_compose ("Iterator: control: %1\n", seq._type_map.to_symbol(i->first)));
 122                 double x, y;
 123                 bool ret;
 124                 if (_force_discrete) {
 125                         ret = i->second->list()->rt_safe_earliest_event_discrete_unlocked (t, x, y, true);
 126                 } else {
 127                         ret = i->second->list()->rt_safe_earliest_event_unlocked(t, x, y, true);
 128                 }
 129                 if (!ret) {
 130                         DEBUG_TRACE (DEBUG::Sequence, string_compose ("Iterator: CC %1 (size %2) has no events past %3\n",
 131                                                                       i->first.id(), i->second->list()->size(), t));
 132                         continue;
 133                 }
 134
 135                 assert(x >= 0);
 136
 137                 if (y < i->first.min() || y > i->first.max()) {
 138                         cerr << "ERROR: Controller value " << y
 139                              << " out of range [" << i->first.min() << "," << i->first.max()
 140                              << "], event ignored" << endl;
 141                         continue;
 142                 }
 143
 144                 DEBUG_TRACE (DEBUG::Sequence, string_compose ("Iterator: CC %1 added (%2, %3)\n", i->first.id(), x, y));
 145
 146                 const ControlIterator new_iter(i->second->list(), x, y);
 147                 _control_iters.push_back(new_iter);
 148
 149                 // Found a new earliest_control
 150                 if (x < earliest_control.x) {
 151                         earliest_control = new_iter;
 152                         earliest_control_index = _control_iters.size() - 1;
 153                         found = true;
 154                 }
 155         }
 156
 157         if (found) {
 158                 _control_iter = _control_iters.begin() + earliest_control_index;
 159                 assert(_control_iter != _control_iters.end());
 160         } else {
 161                 _control_iter = _control_iters.end();
 162         }
 163
 164         // Now find the earliest event overall and point to it
 165         Time earliest_t = t;
 166
 167         if (_note_iter != seq.notes().end()) {
 168                 _type = NOTE_ON;
 169                 earliest_t = (*_note_iter)->time();
 170         }
 171
 172         if (_sysex_iter != seq.sysexes().end()
 173             && ((*_sysex_iter)->time() < earliest_t || _type == NIL)) {
 174                 _type = SYSEX;
 175                 earliest_t = (*_sysex_iter)->time();
 176         }
 177
 178         if (_patch_change_iter != seq.patch_changes().end() && ((*_patch_change_iter)->time() < earliest_t || _type == NIL)) {
 179                 _type = PATCH_CHANGE;
 180                 earliest_t = (*_patch_change_iter)->time ();
 181         }
 182
 183         if (_control_iter != _control_iters.end()
 184             && earliest_control.list && earliest_control.x >= t
 185             && (earliest_control.x < earliest_t || _type == NIL)) {
 186                 _type = CONTROL;
 187                 earliest_t = earliest_control.x;
 188         }
 189
 190         switch (_type) {
 191         case NOTE_ON:
 192                 DEBUG_TRACE (DEBUG::Sequence, string_compose ("Starting at note on event @ %1\n", earliest_t));
 193                 _event = boost::shared_ptr<Event<Time> > (new Event<Time> ((*_note_iter)->on_event(), true));
 194                 _active_notes.push(*_note_iter);
 195                 break;
 196         case SYSEX:
 197                 DEBUG_TRACE (DEBUG::Sequence, string_compose ("Starting at sysex event @ %1\n", earliest_t));
 198                 _event = boost::shared_ptr< Event<Time> >(
 199                         new Event<Time>(*(*_sysex_iter), true));
 200                 break;
 201         case CONTROL:
 202                 DEBUG_TRACE (DEBUG::Sequence, string_compose ("Starting at control event @ %1\n", earliest_t));
 203                 seq.control_to_midi_event(_event, earliest_control);
 204                 break;
 205         case PATCH_CHANGE:
 206                 DEBUG_TRACE (DEBUG::Sequence, string_compose ("Starting at patch change event @ %1\n", earliest_t));
 207                 _event = boost::shared_ptr<Event<Time> > (new Event<Time> ((*_patch_change_iter)->message (_active_patch_change_message), true));
 208                 break;
 209         default:
 210                 break;
 211         }
 212
 213         if (_type == NIL || !_event || _event->size() == 0) {
 214                 DEBUG_TRACE (DEBUG::Sequence, string_compose ("Starting at end @ %1\n", t));
 215                 _type   = NIL;
 216                 _is_end = true;
 217         } else {
 218                 DEBUG_TRACE (DEBUG::Sequence, string_compose ("New iterator = 0x%1 : 0x%2 @ %3\n",
 219                                                               (int)_event->event_type(),
 220                                                               (int)((MIDIEvent<Time>*)_event.get())->type(),
 221                                                               _event->time()));
 222
 223                 assert(midi_event_is_valid(_event->buffer(), _event->size()));
 224         }
 225
 226 }
 227
 228 template<typename Time>
 229 Sequence<Time>::const_iterator::~const_iterator()
 230 {
 231 }
 232
 233 template<typename Time>
 234 void
 235 Sequence<Time>::const_iterator::invalidate()
 236 {
 237         while (!_active_notes.empty()) {
 238                 _active_notes.pop();
 239         }
 240         _type = NIL;
 241         _is_end = true;
 242         if (_seq) {
 243                 _note_iter = _seq->notes().end();
 244                 _sysex_iter = _seq->sysexes().end();
 245                 _patch_change_iter = _seq->patch_changes().end();
 246                 _active_patch_change_message = 0;
 247         }
 248         _control_iter = _control_iters.end();
 249         _lock.reset();
 250 }
 251
 252 template<typename Time>
 253 const typename Sequence<Time>::const_iterator&
 254 Sequence<Time>::const_iterator::operator++()
 255 {
 256         if (_is_end) {
 257                 throw std::logic_error("Attempt to iterate past end of Sequence");
 258         }
 259
 260         DEBUG_TRACE(DEBUG::Sequence, "Sequence::const_iterator++\n");
 261         assert(_event && _event->buffer() && _event->size() > 0);
 262
 263         const MIDIEvent<Time>& ev = *((MIDIEvent<Time>*)_event.get());
 264
 265         if (!(     ev.is_note()
 266                    || ev.is_cc()
 267                    || ev.is_pgm_change()
 268                    || ev.is_pitch_bender()
 269                    || ev.is_channel_pressure()
 270                    || ev.is_sysex()) ) {
 271                 cerr << "WARNING: Unknown event (type " << _type << "): " << hex
 272                      << int(ev.buffer()[0]) << int(ev.buffer()[1]) << int(ev.buffer()[2]) << endl;
 273         }
 274
 275         double x   = 0.0;
 276         double y   = 0.0;
 277         bool   ret = false;
 278
 279         // Increment past current event
 280         switch (_type) {
 281         case NOTE_ON:
 282                 ++_note_iter;
 283                 break;
 284         case NOTE_OFF:
 285                 break;
 286         case CONTROL:
 287                 // Increment current controller iterator
 288                 if (_force_discrete || _control_iter->list->interpolation() == ControlList::Discrete) {
 289                         ret = _control_iter->list->rt_safe_earliest_event_discrete_unlocked (
 290                                 _control_iter->x, x, y, false
 291                                                                                              );
 292                 } else {
 293                         ret = _control_iter->list->rt_safe_earliest_event_linear_unlocked (
 294                                 _control_iter->x + time_between_interpolated_controller_outputs, x, y, false
 295                                                                                            );
 296                 }
 297                 assert(!ret || x > _control_iter->x);
 298                 if (ret) {
 299                         _control_iter->x = x;
 300                         _control_iter->y = y;
 301                 } else {
 302                         _control_iter->list.reset();
 303                         _control_iter->x = DBL_MAX;
 304                         _control_iter->y = DBL_MAX;
 305                 }
 306
 307                 // Find the controller with the next earliest event time
 308                 _control_iter = _control_iters.begin();
 309                 for (ControlIterators::iterator i = _control_iters.begin();
 310                      i != _control_iters.end(); ++i) {
 311                         if (i->x < _control_iter->x) {
 312                                 _control_iter = i;
 313                         }
 314                 }
 315                 break;
 316         case SYSEX:
 317                 ++_sysex_iter;
 318                 break;
 319         case PATCH_CHANGE:
 320                 ++_active_patch_change_message;
 321                 if (_active_patch_change_message == (*_patch_change_iter)->messages()) {
 322                         ++_patch_change_iter;
 323                         _active_patch_change_message = 0;
 324                 }
 325                 break;
 326         default:
 327                 assert(false);
 328         }
 329
 330         // Now find the earliest event overall and point to it
 331         _type = NIL;
 332         Time earliest_t = std::numeric_limits<Time>::max();
 333
 334         // Next earliest note on
 335         if (_note_iter != _seq->notes().end()) {
 336                 _type = NOTE_ON;
 337                 earliest_t = (*_note_iter)->time();
 338         }
 339
 340         // Use the next note off iff it's earlier or the same time as the note on
 341         if (!_seq->percussive() && (!_active_notes.empty())) {
 342                 if (_type == NIL || _active_notes.top()->end_time() <= earliest_t) {
 343                         _type = NOTE_OFF;
 344                         earliest_t = _active_notes.top()->end_time();
 345                 }
 346         }
 347
 348         // Use the next earliest controller iff it's earlier than the note event
 349         if (_control_iter != _control_iters.end() && _control_iter->x != DBL_MAX) {
 350                 if (_type == NIL || _control_iter->x < earliest_t) {
 351                         _type = CONTROL;
 352                         earliest_t = _control_iter->x;
 353                 }
 354         }
 355
 356         // Use the next earliest SysEx iff it's earlier than the controller
 357         if (_sysex_iter != _seq->sysexes().end()) {
 358                 if (_type == NIL || (*_sysex_iter)->time() < earliest_t) {
 359                         _type = SYSEX;
 360                         earliest_t = (*_sysex_iter)->time();
 361                 }
 362         }
 363
 364         // Use the next earliest patch change iff it's earlier than the SysEx
 365         if (_patch_change_iter != _seq->patch_changes().end()) {
 366                 if (_type == NIL || (*_patch_change_iter)->time() < earliest_t) {
 367                         _type = PATCH_CHANGE;
 368                         earliest_t = (*_patch_change_iter)->time();
 369                 }
 370         }
 371
 372         // Set event to reflect new position
 373         switch (_type) {
 374         case NOTE_ON:
 375                 DEBUG_TRACE(DEBUG::Sequence, "iterator = note on\n");
 376                 *_event = (*_note_iter)->on_event();
 377                 _active_notes.push(*_note_iter);
 378                 break;
 379         case NOTE_OFF:
 380                 DEBUG_TRACE(DEBUG::Sequence, "iterator = note off\n");
 381                 assert(!_active_notes.empty());
 382                 *_event = _active_notes.top()->off_event();
 383                 _active_notes.pop();
 384                 break;
 385         case CONTROL:
 386                 DEBUG_TRACE(DEBUG::Sequence, "iterator = control\n");
 387                 _seq->control_to_midi_event(_event, *_control_iter);
 388                 break;
 389         case SYSEX:
 390                 DEBUG_TRACE(DEBUG::Sequence, "iterator = sysex\n");
 391                 *_event = *(*_sysex_iter);
 392                 break;
 393         case PATCH_CHANGE:
 394                 DEBUG_TRACE(DEBUG::Sequence, "iterator = patch change\n");
 395                 *_event = (*_patch_change_iter)->message (_active_patch_change_message);
 396                 break;
 397         default:
 398                 DEBUG_TRACE(DEBUG::Sequence, "iterator = end\n");
 399                 _is_end = true;
 400         }
 401
 402         assert(_is_end || (_event->size() > 0 && _event->buffer() && _event->buffer()[0] != '\0'));
 403
 404         return *this;
 405 }
 406
 407 template<typename Time>
 408 bool
 409 Sequence<Time>::const_iterator::operator==(const const_iterator& other) const
 410 {
 411         if (_seq != other._seq) {
 412                 return false;
 413         } else if (_is_end || other._is_end) {
 414                 return (_is_end == other._is_end);
 415         } else if (_type != other._type) {
 416                 return false;
 417         } else {
 418                 return (_event == other._event);
 419         }
 420 }
 421
 422 template<typename Time>
 423 typename Sequence<Time>::const_iterator&
 424 Sequence<Time>::const_iterator::operator=(const const_iterator& other)
 425 {
 426         _seq           = other._seq;
 427         _event         = other._event;
 428         _active_notes  = other._active_notes;
 429         _type          = other._type;
 430         _is_end        = other._is_end;
 431         _note_iter     = other._note_iter;
 432         _sysex_iter    = other._sysex_iter;
 433         _patch_change_iter = other._patch_change_iter;
 434         _control_iters = other._control_iters;
 435         _force_discrete = other._force_discrete;
 436         _active_patch_change_message = other._active_patch_change_message;
 437
 438         if (other._lock) {
 439                 _lock = _seq->read_lock();
 440         } else {
 441                 _lock.reset();
 442         }
 443
 444         if (other._control_iter == other._control_iters.end()) {
 445                 _control_iter = _control_iters.end();
 446         } else {
 447                 const size_t index = other._control_iter - other._control_iters.begin();
 448                 _control_iter  = _control_iters.begin() + index;
 449         }
 450
 451         return *this;
 452 }
 453
 454 // Sequence
 455
 456 template<typename Time>
 457 Sequence<Time>::Sequence(const TypeMap& type_map)
 458         : _edited(false)
 459         , _overlapping_pitches_accepted (true)
 460         , _overlap_pitch_resolution (FirstOnFirstOff)
 461         , _writing(false)
 462         , _type_map(type_map)
 463         , _end_iter(*this, DBL_MAX, false, std::set<Evoral::Parameter> ())
 464         , _percussive(false)
 465         , _lowest_note(127)
 466         , _highest_note(0)
 467 {
 468         DEBUG_TRACE (DEBUG::Sequence, string_compose ("Sequence constructed: %1\n", this));
 469         assert(_end_iter._is_end);
 470         assert( ! _end_iter._lock);
 471
 472         for (int i = 0; i < 16; ++i) {
 473                 _bank[i] = 0;
 474         }
 475 }
 476
 477 template<typename Time>
 478 Sequence<Time>::Sequence(const Sequence<Time>& other)
 479         : ControlSet (other)
 480         , _edited(false)
 481         , _overlapping_pitches_accepted (other._overlapping_pitches_accepted)
 482         , _overlap_pitch_resolution (other._overlap_pitch_resolution)
 483         , _writing(false)
 484         , _type_map(other._type_map)
 485         , _end_iter(*this, DBL_MAX, false, std::set<Evoral::Parameter> ())
 486         , _percussive(other._percussive)
 487         , _lowest_note(other._lowest_note)
 488         , _highest_note(other._highest_note)
 489 {
 490         for (typename Notes::const_iterator i = other._notes.begin(); i != other._notes.end(); ++i) {
 491                 NotePtr n (new Note<Time> (**i));
 492                 _notes.insert (n);
 493         }
 494
 495         for (typename SysExes::const_iterator i = other._sysexes.begin(); i != other._sysexes.end(); ++i) {
 496                 boost::shared_ptr<Event<Time> > n (new Event<Time> (**i, true));
 497                 _sysexes.push_back (n);
 498         }
 499
 500         for (typename PatchChanges::const_iterator i = other._patch_changes.begin(); i != other._patch_changes.end(); ++i) {
 501                 PatchChangePtr n (new PatchChange<Time> (**i));
 502                 _patch_changes.insert (n);
 503         }
 504
 505         for (int i = 0; i < 16; ++i) {
 506                 _bank[i] = other._bank[i];
 507         }
 508
 509         DEBUG_TRACE (DEBUG::Sequence, string_compose ("Sequence copied: %1\n", this));
 510         assert(_end_iter._is_end);
 511         assert(! _end_iter._lock);
 512 }
 513
 514 /** Write the controller event pointed to by \a iter to \a ev.
 515  * The buffer of \a ev will be allocated or resized as necessary.
 516  * The event_type of \a ev should be set to the expected output type.
 517  * \return true on success
 518  */
 519 template<typename Time>
 520 bool
 521 Sequence<Time>::control_to_midi_event(
 522         boost::shared_ptr< Event<Time> >& ev,
 523         const ControlIterator&            iter) const
 524 {
 525         assert(iter.list.get());
 526         const uint32_t event_type = iter.list->parameter().type();
 527
 528         // initialize the event pointer with a new event, if necessary
 529         if (!ev) {
 530                 ev = boost::shared_ptr< Event<Time> >(new Event<Time>(event_type, 0, 3, NULL, true));
 531         }
 532
 533         uint8_t midi_type = _type_map.parameter_midi_type(iter.list->parameter());
 534         ev->set_event_type(_type_map.midi_event_type(midi_type));
 535         switch (midi_type) {
 536         case MIDI_CMD_CONTROL:
 537                 assert(iter.list.get());
 538                 assert(iter.list->parameter().channel() < 16);
 539                 assert(iter.list->parameter().id() <= INT8_MAX);
 540                 assert(iter.y <= INT8_MAX);
 541
 542                 ev->set_time(iter.x);
 543                 ev->realloc(3);
 544                 ev->buffer()[0] = MIDI_CMD_CONTROL + iter.list->parameter().channel();
 545                 ev->buffer()[1] = (uint8_t)iter.list->parameter().id();
 546                 ev->buffer()[2] = (uint8_t)iter.y;
 547                 break;
 548
 549         case MIDI_CMD_PGM_CHANGE:
 550                 assert(iter.list.get());
 551                 assert(iter.list->parameter().channel() < 16);
 552                 assert(iter.y <= INT8_MAX);
 553
 554                 ev->set_time(iter.x);
 555                 ev->realloc(2);
 556                 ev->buffer()[0] = MIDI_CMD_PGM_CHANGE + iter.list->parameter().channel();
 557                 ev->buffer()[1] = (uint8_t)iter.y;
 558                 break;
 559
 560         case MIDI_CMD_BENDER:
 561                 assert(iter.list.get());
 562                 assert(iter.list->parameter().channel() < 16);
 563                 assert(iter.y < (1<<14));
 564
 565                 ev->set_time(iter.x);
 566                 ev->realloc(3);
 567                 ev->buffer()[0] = MIDI_CMD_BENDER + iter.list->parameter().channel();
 568                 ev->buffer()[1] = uint16_t(iter.y) & 0x7F; // LSB
 569                 ev->buffer()[2] = (uint16_t(iter.y) >> 7) & 0x7F; // MSB
 570                 break;
 571
 572         case MIDI_CMD_CHANNEL_PRESSURE:
 573                 assert(iter.list.get());
 574                 assert(iter.list->parameter().channel() < 16);
 575                 assert(iter.y <= INT8_MAX);
 576
 577                 ev->set_time(iter.x);
 578                 ev->realloc(2);
 579                 ev->buffer()[0] = MIDI_CMD_CHANNEL_PRESSURE + iter.list->parameter().channel();
 580                 ev->buffer()[1] = (uint8_t)iter.y;
 581                 break;
 582
 583         default:
 584                 return false;
 585         }
 586
 587         return true;
 588 }
 589
 590 /** Clear all events from the model.
 591  */
 592 template<typename Time>
 593 void
 594 Sequence<Time>::clear()
 595 {
 596         WriteLock lock(write_lock());
 597         _notes.clear();
 598         for (Controls::iterator li = _controls.begin(); li != _controls.end(); ++li)
 599                 li->second->list()->clear();
 600 }
 601
 602 /** Begin a write of events to the model.
 603  *
 604  * If \a mode is Sustained, complete notes with length are constructed as note
 605  * on/off events are received.  Otherwise (Percussive), only note on events are
 606  * stored; note off events are discarded entirely and all contained notes will
 607  * have length 0.
 608  */
 609 template<typename Time>
 610 void
 611 Sequence<Time>::start_write()
 612 {
 613         DEBUG_TRACE (DEBUG::Sequence, string_compose ("%1 : start_write (percussive = %2)\n", this, _percussive));
 614         WriteLock lock(write_lock());
 615         _writing = true;
 616         for (int i = 0; i < 16; ++i) {
 617                 _write_notes[i].clear();
 618         }
 619 }
 620
 621 /** Finish a write of events to the model.
 622  *
 623  * If \a delete_stuck is true and the current mode is Sustained, note on events
 624  * that were never resolved with a corresonding note off will be deleted.
 625  * Otherwise they will remain as notes with length 0.
 626  */
 627 template<typename Time>
 628 void
 629 Sequence<Time>::end_write (StuckNoteOption option, Time when)
 630 {
 631         WriteLock lock(write_lock());
 632
 633         if (!_writing) {
 634                 return;
 635         }
 636
 637         DEBUG_TRACE (DEBUG::Sequence, string_compose ("%1 : end_write (%2 notes) delete stuck option %3 @ %4\n", this, _notes.size(), option, when));
 638
 639         if (!_percussive) {
 640
 641                 for (typename Notes::iterator n = _notes.begin(); n != _notes.end() ;) {
 642                         typename Notes::iterator next = n;
 643                         ++next;
 644
 645                         if ((*n)->length() == 0) {
 646                                 switch (option) {
 647                                 case Relax:
 648                                         break;
 649                                 case DeleteStuckNotes:
 650                                         cerr << "WARNING: Stuck note lost: " << (*n)->note() << endl;
 651                                         _notes.erase(n);
 652                                         break;
 653                                 case ResolveStuckNotes:
 654                                         if (when <= (*n)->time()) {
 655                                                 cerr << "WARNING: Stuck note resolution - end time @ "
 656                                                      << when << " is before note on: " << (**n) << endl;
 657                                                 _notes.erase (*n);
 658                                         } else {
 659                                                 (*n)->set_length (when - (*n)->time());
 660                                                 cerr << "WARNING: resolved note-on with no note-off to generate " << (**n) << endl;
 661                                         }
 662                                         break;
 663                                 }
 664                         }
 665
 666                         n = next;
 667                 }
 668         }
 669
 670         for (int i = 0; i < 16; ++i) {
 671                 _write_notes[i].clear();
 672         }
 673
 674         _writing = false;
 675 }
 676
 677
 678 template<typename Time>
 679 bool
 680 Sequence<Time>::add_note_unlocked(const NotePtr note, void* arg)
 681 {
 682         /* This is the core method to add notes to a Sequence
 683          */
 684
 685         DEBUG_TRACE (DEBUG::Sequence, string_compose ("%1 add note %2 @ %3 dur %4\n", this, (int)note->note(), note->time(), note->length()));
 686
 687         if (resolve_overlaps_unlocked (note, arg)) {
 688                 DEBUG_TRACE (DEBUG::Sequence, string_compose ("%1 DISALLOWED: note %2 @ %3\n", this, (int)note->note(), note->time()));
 689                 return false;
 690         }
 691
 692         if (note->id() < 0) {
 693                 note->set_id (Evoral::next_event_id());
 694         }
 695
 696         if (note->note() < _lowest_note)
 697                 _lowest_note = note->note();
 698         if (note->note() > _highest_note)
 699                 _highest_note = note->note();
 700
 701         _notes.insert (note);
 702         _pitches[note->channel()].insert (note);
 703
 704         _edited = true;
 705
 706         return true;
 707 }
 708
 709 template<typename Time>
 710 void
 711 Sequence<Time>::remove_note_unlocked(const constNotePtr note)
 712 {
 713         bool erased = false;
 714
 715         _edited = true;
 716
 717         DEBUG_TRACE (DEBUG::Sequence, string_compose ("%1 remove note %2 @ %3\n", this, (int)note->note(), note->time()));
 718
 719         typename Sequence<Time>::Notes::iterator i = note_lower_bound(note->time());
 720         while (i != _notes.end() && (*i)->time() == note->time()) {
 721
 722                 typename Sequence<Time>::Notes::iterator tmp = i;
 723                 ++tmp;
 724
 725                 if (*i == note) {
 726
 727                         NotePtr n = *i;
 728
 729                         DEBUG_TRACE (DEBUG::Sequence, string_compose ("%1\terasing note %2 @ %3\n", this, (int)(*i)->note(), (*i)->time()));
 730                         _notes.erase (i);
 731
 732                         if (n->note() == _lowest_note || n->note() == _highest_note) {
 733
 734                                 _lowest_note = 127;
 735                                 _highest_note = 0;
 736
 737                                 for (typename Sequence<Time>::Notes::iterator ii = _notes.begin(); ii != _notes.end(); ++ii) {
 738                                         if ((*ii)->note() < _lowest_note)
 739                                                 _lowest_note = (*ii)->note();
 740                                         if ((*ii)->note() > _highest_note)
 741                                                 _highest_note = (*ii)->note();
 742                                 }
 743                         }
 744
 745                         erased = true;
 746                 }
 747
 748                 i = tmp;
 749         }
 750
 751         Pitches& p (pitches (note->channel()));
 752
 753         NotePtr search_note(new Note<Time>(0, 0, 0, note->note(), 0));
 754
 755         typename Pitches::iterator j = p.lower_bound (search_note);
 756         while (j != p.end() && (*j)->note() == note->note()) {
 757                 typename Pitches::iterator tmp = j;
 758                 ++tmp;
 759
 760                 if (*j == note) {
 761                         DEBUG_TRACE (DEBUG::Sequence, string_compose ("%1\terasing pitch %2 @ %3\n", this, (int)(*j)->note(), (*j)->time()));
 762                         p.erase (j);
 763                 }
 764
 765                 j = tmp;
 766         }
 767
 768         if (!erased) {
 769                 cerr << "Unable to find note to erase matching " << *note.get() << endl;
 770         }
 771 }
 772
 773 template<typename Time>
 774 void
 775 Sequence<Time>::add_patch_change_unlocked (PatchChangePtr p)
 776 {
 777         _patch_changes.insert (p);
 778         if (p->id () < 0) {
 779                 p->set_id (Evoral::next_event_id ());
 780         }
 781 }
 782
 783 template<typename Time>
 784 void
 785 Sequence<Time>::remove_patch_change_unlocked (const constPatchChangePtr p)
 786 {
 787         typename Sequence<Time>::PatchChanges::iterator i = patch_change_lower_bound (p->time ());
 788         while (i != _patch_changes.end() && (*i)->time() == p->time()) {
 789
 790                 typename Sequence<Time>::PatchChanges::iterator tmp = i;
 791                 ++tmp;
 792
 793                 if (*i == p) {
 794                         _patch_changes.erase (i);
 795                 }
 796
 797                 i = tmp;
 798         }
 799 }
 800
 801 /** Append \a ev to model.  NOT realtime safe.
 802  *
 803  * The timestamp of event is expected to be relative to
 804  * the start of this model (t=0) and MUST be monotonically increasing
 805  * and MUST be >= the latest event currently in the model.
 806  */
 807 template<typename Time>
 808 void
 809 Sequence<Time>::append(const Event<Time>& event, event_id_t evid)
 810 {
 811         WriteLock lock(write_lock());
 812
 813         const MIDIEvent<Time>& ev = (const MIDIEvent<Time>&)event;
 814
 815         assert(_notes.empty() || ev.time() >= (*_notes.rbegin())->time());
 816         assert(_writing);
 817
 818         if (!midi_event_is_valid(ev.buffer(), ev.size())) {
 819                 cerr << "WARNING: Sequence ignoring illegal MIDI event" << endl;
 820                 return;
 821         }
 822
 823         if (ev.is_note_on()) {
 824                 NotePtr note(new Note<Time>(ev.channel(), ev.time(), 0, ev.note(), ev.velocity()));
 825                 append_note_on_unlocked (note, evid);
 826         } else if (ev.is_note_off()) {
 827                 NotePtr note(new Note<Time>(ev.channel(), ev.time(), 0, ev.note(), ev.velocity()));
 828                 /* XXX note: event ID is discarded because we merge the on+off events into
 829                    a single note object
 830                 */
 831                 append_note_off_unlocked (note);
 832         } else if (ev.is_sysex()) {
 833                 append_sysex_unlocked(ev, evid);
 834         } else if (ev.is_cc() && (ev.cc_number() == MIDI_CTL_MSB_BANK || ev.cc_number() == MIDI_CTL_LSB_BANK)) {
 835                 /* note bank numbers in our _bank[] array, so that we can write an event when the program change arrives */
 836                 if (ev.cc_number() == MIDI_CTL_MSB_BANK) {
 837                         _bank[ev.channel()] &= ~(0x7f << 7);
 838                         _bank[ev.channel()] |= ev.cc_value() << 7;
 839                 } else {
 840                         _bank[ev.channel()] &= ~0x7f;
 841                         _bank[ev.channel()] |= ev.cc_value();
 842                 }
 843         } else if (ev.is_cc()) {
 844                 append_control_unlocked(
 845                         Evoral::MIDI::ContinuousController(ev.event_type(), ev.channel(), ev.cc_number()),
 846                         ev.time(), ev.cc_value(), evid);
 847         } else if (ev.is_pgm_change()) {
 848                 /* write a patch change with this program change and any previously set-up bank number */
 849                 append_patch_change_unlocked (PatchChange<Time> (ev.time(), ev.channel(), ev.pgm_number(), _bank[ev.channel()]), evid);
 850         } else if (ev.is_pitch_bender()) {
 851                 append_control_unlocked(
 852                         Evoral::MIDI::PitchBender(ev.event_type(), ev.channel()),
 853                         ev.time(), double ((0x7F & ev.pitch_bender_msb()) << 7
 854                                            | (0x7F & ev.pitch_bender_lsb())),
 855                         evid);
 856         } else if (ev.is_channel_pressure()) {
 857                 append_control_unlocked(
 858                         Evoral::MIDI::ChannelPressure(ev.event_type(), ev.channel()),
 859                         ev.time(), ev.channel_pressure(), evid);
 860         } else if (!_type_map.type_is_midi(ev.event_type())) {
 861                 printf("WARNING: Sequence: Unknown event type %X: ", ev.event_type());
 862                 for (size_t i=0; i < ev.size(); ++i) {
 863                         printf("%X ", ev.buffer()[i]);
 864                 }
 865                 printf("\n");
 866         } else {
 867                 printf("WARNING: Sequence: Unknown MIDI event type %X\n", ev.type());
 868         }
 869
 870         _edited = true;
 871 }
 872
 873 template<typename Time>
 874 void
 875 Sequence<Time>::append_note_on_unlocked (NotePtr note, event_id_t evid)
 876 {
 877         DEBUG_TRACE (DEBUG::Sequence, string_compose ("%1 c=%2 note %3 on @ %4 v=%5\n", this,
 878                                                       (int) note->channel(), (int) note->note(),
 879                                                       note->time(), (int) note->velocity()));
 880         assert(_writing);
 881
 882         if (note->note() > 127) {
 883                 error << string_compose (_("illegal note number (%1) used in Note on event - event will be ignored"), (int)  note->note()) << endmsg;
 884                 return;
 885         }
 886         if (note->channel() >= 16) {
 887                 error << string_compose (_("illegal channel number (%1) used in Note on event - event will be ignored"), (int) note->channel()) << endmsg;
 888                 return;
 889         }
 890
 891         if (note->id() < 0) {
 892                 note->set_id (evid);
 893         }
 894
 895         if (note->velocity() == 0) {
 896                 append_note_off_unlocked (note);
 897                 return;
 898         }
 899
 900         add_note_unlocked (note);
 901
 902         if (!_percussive) {
 903                 DEBUG_TRACE (DEBUG::Sequence, string_compose ("Sustained: Appending active note on %1 channel %2\n",
 904                                                               (unsigned)(uint8_t)note->note(), note->channel()));
 905                 _write_notes[note->channel()].insert (note);
 906         } else {
 907                 DEBUG_TRACE(DEBUG::Sequence, "Percussive: NOT appending active note on\n");
 908         }
 909 }
 910
 911 template<typename Time>
 912 void
 913 Sequence<Time>::append_note_off_unlocked (NotePtr note)
 914 {
 915         DEBUG_TRACE (DEBUG::Sequence, string_compose ("%1 c=%2 note %3 OFF @ %4 v=%5\n",
 916                                                       this, (int)note->channel(),
 917                                                       (int)note->note(), note->time(), (int)note->velocity()));
 918         assert(_writing);
 919
 920         if (note->note() > 127) {
 921                 error << string_compose (_("illegal note number (%1) used in Note off event - event will be ignored"), (int) note->note()) << endmsg;
 922                 return;
 923         }
 924         if (note->channel() >= 16) {
 925                 error << string_compose (_("illegal channel number (%1) used in Note off event - event will be ignored"), (int) note->channel()) << endmsg;
 926                 return;
 927         }
 928
 929         _edited = true;
 930
 931         if (_percussive) {
 932                 DEBUG_TRACE(DEBUG::Sequence, "Sequence Ignoring note off (percussive mode)\n");
 933                 return;
 934         }
 935
 936         bool resolved = false;
 937
 938         /* _write_notes is sorted earliest-latest, so this will find the first matching note (FIFO) that
 939            matches this note (by pitch & channel). the MIDI specification doesn't provide any guidance
 940            whether to use FIFO or LIFO for this matching process, so SMF is fundamentally a lossy
 941            format.
 942         */
 943
 944         /* XXX use _overlap_pitch_resolution to determine FIFO/LIFO ... */
 945
 946         for (typename WriteNotes::iterator n = _write_notes[note->channel()].begin(); n != _write_notes[note->channel()].end(); ) {
 947
 948                 typename WriteNotes::iterator tmp = n;
 949                 ++tmp;
 950
 951                 NotePtr nn = *n;
 952                 if (note->note() == nn->note() && nn->channel() == note->channel()) {
 953                         assert(note->time() >= nn->time());
 954
 955                         nn->set_length (note->time() - nn->time());
 956                         nn->set_off_velocity (note->velocity());
 957
 958                         _write_notes[note->channel()].erase(n);
 959                         DEBUG_TRACE (DEBUG::Sequence, string_compose ("resolved note @ %2 length: %1\n", nn->length(), nn->time()));
 960                         resolved = true;
 961                         break;
 962                 }
 963
 964                 n = tmp;
 965         }
 966
 967         if (!resolved) {
 968                 cerr << this << " spurious note off chan " << (int)note->channel()
 969                      << ", note " << (int)note->note() << " @ " << note->time() << endl;
 970         }
 971 }
 972
 973 template<typename Time>
 974 void
 975 Sequence<Time>::append_control_unlocked(const Parameter& param, Time time, double value, event_id_t /* evid */)
 976 {
 977         DEBUG_TRACE (DEBUG::Sequence, string_compose ("%1 %2 @ %3\t=\t%4 # controls: %5\n",
 978                                                       this, _type_map.to_symbol(param), time, value, _controls.size()));
 979         boost::shared_ptr<Control> c = control(param, true);
 980         c->list()->add (time, value);
 981         /* XXX control events should use IDs */
 982 }
 983
 984 template<typename Time>
 985 void
 986 Sequence<Time>::append_sysex_unlocked(const MIDIEvent<Time>& ev, event_id_t /* evid */)
 987 {
 988 #ifdef DEBUG_SEQUENCE
 989         cerr << this << " SysEx @ " << ev.time() << " \t= \t [ " << hex;
 990         for (size_t i=0; i < ev.size(); ++i) {
 991                 cerr << int(ev.buffer()[i]) << " ";
 992         } cerr << "]" << endl;
 993 #endif
 994
 995         boost::shared_ptr<MIDIEvent<Time> > event(new MIDIEvent<Time>(ev, true));
 996         /* XXX sysex events should use IDs */
 997         _sysexes.push_back(event);
 998 }
 999
1000 template<typename Time>
1001 void
1002 Sequence<Time>::append_patch_change_unlocked (const PatchChange<Time>& ev, event_id_t id)
1003 {
1004         PatchChangePtr p (new PatchChange<Time> (ev));
1005
1006         if (p->id() < 0) {
1007                 p->set_id (id);
1008         }
1009
1010         _patch_changes.insert (p);
1011 }
1012
1013 template<typename Time>
1014 bool
1015 Sequence<Time>::contains (const NotePtr& note) const
1016 {
1017         ReadLock lock (read_lock());
1018         return contains_unlocked (note);
1019 }
1020
1021 template<typename Time>
1022 bool
1023 Sequence<Time>::contains_unlocked (const NotePtr& note) const
1024 {
1025         const Pitches& p (pitches (note->channel()));
1026         NotePtr search_note(new Note<Time>(0, 0, 0, note->note()));
1027
1028         for (typename Pitches::const_iterator i = p.lower_bound (search_note);
1029              i != p.end() && (*i)->note() == note->note(); ++i) {
1030
1031                 if (**i == *note) {
1032                         return true;
1033                 }
1034         }
1035
1036         return false;
1037 }
1038
1039 template<typename Time>
1040 bool
1041 Sequence<Time>::overlaps (const NotePtr& note, const NotePtr& without) const
1042 {
1043         ReadLock lock (read_lock());
1044         return overlaps_unlocked (note, without);
1045 }
1046
1047 template<typename Time>
1048 bool
1049 Sequence<Time>::overlaps_unlocked (const NotePtr& note, const NotePtr& without) const
1050 {
1051         Time sa = note->time();
1052         Time ea  = note->end_time();
1053
1054         const Pitches& p (pitches (note->channel()));
1055         NotePtr search_note(new Note<Time>(0, 0, 0, note->note()));
1056
1057         for (typename Pitches::const_iterator i = p.lower_bound (search_note);
1058              i != p.end() && (*i)->note() == note->note(); ++i) {
1059
1060                 if (without && (**i) == *without) {
1061                         continue;
1062                 }
1063
1064                 Time sb = (*i)->time();
1065                 Time eb = (*i)->end_time();
1066
1067                 if (((sb > sa) && (eb <= ea)) ||
1068                     ((eb >= sa) && (eb <= ea)) ||
1069                     ((sb > sa) && (sb <= ea)) ||
1070                     ((sa >= sb) && (sa <= eb) && (ea <= eb))) {
1071                         return true;
1072                 }
1073         }
1074
1075         return false;
1076 }
1077
1078 template<typename Time>
1079 void
1080 Sequence<Time>::set_notes (const Sequence<Time>::Notes& n)
1081 {
1082         _notes = n;
1083 }
1084
1085 /** Return the earliest note with time >= t */
1086 template<typename Time>
1087 typename Sequence<Time>::Notes::const_iterator
1088 Sequence<Time>::note_lower_bound (Time t) const
1089 {
1090         NotePtr search_note(new Note<Time>(0, t, 0, 0, 0));
1091         typename Sequence<Time>::Notes::const_iterator i = _notes.lower_bound(search_note);
1092         assert(i == _notes.end() || (*i)->time() >= t);
1093         return i;
1094 }
1095
1096 /** Return the earliest patch change with time >= t */
1097 template<typename Time>
1098 typename Sequence<Time>::PatchChanges::const_iterator
1099 Sequence<Time>::patch_change_lower_bound (Time t) const
1100 {
1101         PatchChangePtr search (new PatchChange<Time> (t, 0, 0, 0));
1102         typename Sequence<Time>::PatchChanges::const_iterator i = _patch_changes.lower_bound (search);
1103         assert (i == _patch_changes.end() || (*i)->time() >= t);
1104         return i;
1105 }
1106
1107 template<typename Time>
1108 void
1109 Sequence<Time>::get_notes (Notes& n, NoteOperator op, uint8_t val, int chan_mask) const
1110 {
1111         switch (op) {
1112         case PitchEqual:
1113         case PitchLessThan:
1114         case PitchLessThanOrEqual:
1115         case PitchGreater:
1116         case PitchGreaterThanOrEqual:
1117                 get_notes_by_pitch (n, op, val, chan_mask);
1118                 break;
1119
1120         case VelocityEqual:
1121         case VelocityLessThan:
1122         case VelocityLessThanOrEqual:
1123         case VelocityGreater:
1124         case VelocityGreaterThanOrEqual:
1125                 get_notes_by_velocity (n, op, val, chan_mask);
1126                 break;
1127         }
1128 }
1129
1130 template<typename Time>
1131 void
1132 Sequence<Time>::get_notes_by_pitch (Notes& n, NoteOperator op, uint8_t val, int chan_mask) const
1133 {
1134         for (uint8_t c = 0; c < 16; ++c) {
1135
1136                 if (chan_mask != 0 && !((1<<c) & chan_mask)) {
1137                         continue;
1138                 }
1139
1140                 const Pitches& p (pitches (c));
1141                 NotePtr search_note(new Note<Time>(0, 0, 0, val, 0));
1142                 typename Pitches::const_iterator i;
1143                 switch (op) {
1144                 case PitchEqual:
1145                         i = p.lower_bound (search_note);
1146                         while (i != p.end() && (*i)->note() == val) {
1147                                 n.insert (*i);
1148                         }
1149                         break;
1150                 case PitchLessThan:
1151                         i = p.upper_bound (search_note);
1152                         while (i != p.end() && (*i)->note() < val) {
1153                                 n.insert (*i);
1154                         }
1155                         break;
1156                 case PitchLessThanOrEqual:
1157                         i = p.upper_bound (search_note);
1158                         while (i != p.end() && (*i)->note() <= val) {
1159                                 n.insert (*i);
1160                         }
1161                         break;
1162                 case PitchGreater:
1163                         i = p.lower_bound (search_note);
1164                         while (i != p.end() && (*i)->note() > val) {
1165                                 n.insert (*i);
1166                         }
1167                         break;
1168                 case PitchGreaterThanOrEqual:
1169                         i = p.lower_bound (search_note);
1170                         while (i != p.end() && (*i)->note() >= val) {
1171                                 n.insert (*i);
1172                         }
1173                         break;
1174
1175                 default:
1176                         //fatal << string_compose (_("programming error: %1 %2", X_("get_notes_by_pitch() called with illegal operator"), op)) << endmsg;
1177                         abort ();
1178                         /* NOTREACHED*/
1179                 }
1180         }
1181 }
1182
1183 template<typename Time>
1184 void
1185 Sequence<Time>::get_notes_by_velocity (Notes& n, NoteOperator op, uint8_t val, int chan_mask) const
1186 {
1187         ReadLock lock (read_lock());
1188
1189         for (typename Notes::const_iterator i = _notes.begin(); i != _notes.end(); ++i) {
1190
1191                 if (chan_mask != 0 && !((1<<((*i)->channel())) & chan_mask)) {
1192                         continue;
1193                 }
1194
1195                 switch (op) {
1196                 case VelocityEqual:
1197                         if ((*i)->velocity() == val) {
1198                                 n.insert (*i);
1199                         }
1200                         break;
1201                 case VelocityLessThan:
1202                         if ((*i)->velocity() < val) {
1203                                 n.insert (*i);
1204                         }
1205                         break;
1206                 case VelocityLessThanOrEqual:
1207                         if ((*i)->velocity() <= val) {
1208                                 n.insert (*i);
1209                         }
1210                         break;
1211                 case VelocityGreater:
1212                         if ((*i)->velocity() > val) {
1213                                 n.insert (*i);
1214                         }
1215                         break;
1216                 case VelocityGreaterThanOrEqual:
1217                         if ((*i)->velocity() >= val) {
1218                                 n.insert (*i);
1219                         }
1220                         break;
1221                 default:
1222                         // fatal << string_compose (_("programming error: %1 %2", X_("get_notes_by_velocity() called with illegal operator"), op)) << endmsg;
1223                         abort ();
1224                         /* NOTREACHED*/
1225
1226                 }
1227         }
1228 }
1229
1230 template<typename Time>
1231 void
1232 Sequence<Time>::set_overlap_pitch_resolution (OverlapPitchResolution opr)
1233 {
1234         _overlap_pitch_resolution = opr;
1235
1236         /* XXX todo: clean up existing overlaps in source data? */
1237 }
1238
1239 template<typename Time>
1240 void
1241 Sequence<Time>::control_list_marked_dirty ()
1242 {
1243         set_edited (true);
1244 }
1245
1246 template<typename Time>
1247 void
1248 Sequence<Time>::dump (ostream& str) const
1249 {
1250         typename Sequence<Time>::const_iterator i;
1251         str << "+++ dump\n";
1252         for (i = begin(); i != end(); ++i) {
1253                 str << *i << endl;
1254         }
1255         str << "--- dump\n";
1256 }
1257
1258 template class Sequence<Evoral::MusicalTime>;
1259
1260 } // namespace Evoral
1261