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