cinelerra/track.C

   1 #include "asset.h"
   2 #include "autoconf.h"
   3 #include "automation.h"
   4 #include "bcsignals.h"
   5 #include "clip.h"
   6 #include "edit.h"
   7 #include "edits.h"
   8 #include "edl.h"
   9 #include "edlsession.h"
  10 #include "filexml.h"
  11 #include "floatauto.h"
  12 #include "floatautos.h"
  13 #include "keyframe.h"
  14 #include "localsession.h"
  15 #include "module.h"
  16 #include "patch.h"
  17 #include "patchbay.h"
  18 #include "plugin.h"
  19 #include "pluginset.h"
  20 #include "mainsession.h"
  21 #include "theme.h"
  22 #include "intautos.h"
  23 #include "track.h"
  24 #include "trackcanvas.h"
  25 #include "tracks.h"
  26 #include "transition.h"
  27 #include "transportque.inc"
  28 #include "vedit.h"
  29 #include "vframe.h"
  30 #include <string.h>
  31
  32
  33 Track::Track(EDL *edl, Tracks *tracks) : ListItem<Track>()
  34 {
  35         this->edl = edl;
  36         this->tracks = tracks;
  37         y_pixel = 0;
  38         expand_view = 0;
  39         draw = 1;
  40         gang = 1;
  41         title[0] = 0;
  42         record = 1;
  43         play = 1;
  44         nudge = 0;
  45         track_w = edl->session->output_w;
  46         track_h = edl->session->output_h;
  47         id = EDL::next_id();
  48 }
  49
  50 Track::~Track()
  51 {
  52         delete automation;
  53         delete edits;
  54         plugin_set.remove_all_objects();
  55 }
  56
  57 int Track::create_objects()
  58 {
  59         return 0;
  60 }
  61
  62
  63 int Track::copy_settings(Track *track)
  64 {
  65         this->expand_view = track->expand_view;
  66         this->draw = track->draw;
  67         this->gang = track->gang;
  68         this->record = track->record;
  69         this->nudge = track->nudge;
  70         this->play = track->play;
  71         this->track_w = track->track_w;
  72         this->track_h = track->track_h;
  73         strcpy(this->title, track->title);
  74         return 0;
  75 }
  76
  77 int Track::get_id()
  78 {
  79         return id;
  80 }
  81
  82
  83 int Track::load_defaults(BC_Hash *defaults)
  84 {
  85         return 0;
  86 }
  87
  88 void Track::equivalent_output(Track *track, double *result)
  89 {
  90         if(data_type != track->data_type ||
  91                 track_w != track->track_w ||
  92                 track_h != track->track_h ||
  93                 play != track->play ||
  94                 nudge != track->nudge)
  95                 *result = 0;
  96
  97 // Convert result to track units
  98         int64_t result2 = -1;
  99         automation->equivalent_output(track->automation, &result2);
 100         edits->equivalent_output(track->edits, &result2);
 101
 102         int plugin_sets = MIN(plugin_set.total, track->plugin_set.total);
 103 // Test existing plugin sets
 104         for(int i = 0; i < plugin_sets; i++)
 105         {
 106                 plugin_set.values[i]->equivalent_output(
 107                         track->plugin_set.values[i],
 108                         &result2);
 109         }
 110
 111 // New EDL has more plugin sets.  Get starting plugin in new plugin sets
 112         for(int i = plugin_sets; i < plugin_set.total; i++)
 113         {
 114                 Plugin *current = plugin_set.values[i]->get_first_plugin();
 115                 if(current)
 116                 {
 117                         if(result2 < 0 || current->startproject < result2)
 118                                 result2 = current->startproject;
 119                 }
 120         }
 121
 122 // New EDL has fewer plugin sets.  Get starting plugin in old plugin set
 123         for(int i = plugin_sets; i < track->plugin_set.total; i++)
 124         {
 125                 Plugin *current = track->plugin_set.values[i]->get_first_plugin();
 126                 if(current)
 127                 {
 128                         if(result2 < 0 || current->startproject < result2)
 129                                 result2 = current->startproject;
 130                 }
 131         }
 132
 133 // Number of plugin sets differs but somehow we didn't find the start of the
 134 // change.  Assume 0
 135         if(track->plugin_set.total != plugin_set.total && result2 < 0)
 136                 result2 = 0;
 137
 138         if(result2 >= 0 &&
 139                 (*result < 0 || from_units(result2) < *result))
 140                 *result = from_units(result2);
 141 }
 142
 143
 144 int Track::is_synthesis(RenderEngine *renderengine,
 145         int64_t position,
 146         int direction)
 147 {
 148         int is_synthesis = 0;
 149         for(int i = 0; i < plugin_set.total; i++)
 150         {
 151                 Plugin *plugin = get_current_plugin(position,
 152                         i,
 153                         direction,
 154                         0,
 155                         0);
 156                 if(plugin)
 157                 {
 158 // Assume data from a shared track is synthesized
 159                         if(plugin->plugin_type == PLUGIN_SHAREDMODULE)
 160                                 is_synthesis = 1;
 161                         else
 162                                 is_synthesis = plugin->is_synthesis(renderengine,
 163                                         position,
 164                                         direction);
 165                         if(is_synthesis) break;
 166                 }
 167         }
 168         return is_synthesis;
 169 }
 170
 171 void Track::copy_from(Track *track)
 172 {
 173         copy_settings(track);
 174         edits->copy_from(track->edits);
 175         for(int i = 0; i < this->plugin_set.total; i++)
 176                 delete this->plugin_set.values[i];
 177         this->plugin_set.remove_all_objects();
 178
 179         for(int i = 0; i < track->plugin_set.total; i++)
 180         {
 181                 PluginSet *new_plugin_set = plugin_set.append(new PluginSet(edl, this));
 182                 new_plugin_set->copy_from(track->plugin_set.values[i]);
 183         }
 184         automation->copy_from(track->automation);
 185         this->track_w = track->track_w;
 186         this->track_h = track->track_h;
 187 }
 188
 189 Track& Track::operator=(Track& track)
 190 {
 191 printf("Track::operator= 1\n");
 192         copy_from(&track);
 193         return *this;
 194 }
 195
 196 int Track::vertical_span(Theme *theme)
 197 {
 198         int result = 0;
 199         if(expand_view)
 200                 result = edl->local_session->zoom_track +
 201                         plugin_set.total *
 202                         theme->get_image("plugin_bg_data")->get_h();
 203         else
 204                 result = edl->local_session->zoom_track;
 205
 206         if(edl->session->show_titles)
 207                 result += theme->get_image("title_bg_data")->get_h();
 208
 209         return result;
 210 }
 211
 212 double Track::get_length()
 213 {
 214         double total_length = 0;
 215         double length = 0;
 216
 217 // Test edits
 218         int64_t unit_end;
 219         unit_end = edits->last->startproject;
 220         if (edits->last->transition)
 221                 unit_end += edits->last->transition->length + 1; // add one so transition is finished...
 222         length = from_units(unit_end);
 223         if(length > total_length) total_length = length;
 224
 225 // Test plugins
 226         for(int i = 0; i < plugin_set.total; i++)
 227         {
 228                 length = from_units(plugin_set.values[i]->last->startproject);
 229                 if(length > total_length) total_length = length;
 230         }
 231
 232 // Test keyframes
 233         length = from_units(automation->get_length());
 234         if(length > total_length) total_length = length;
 235
 236
 237         return total_length;
 238 }
 239
 240
 241
 242 void Track::get_source_dimensions(double position, int &w, int &h)
 243 {
 244         int64_t native_position = to_units(position, 0);
 245         for(Edit *current = edits->first; current; current = NEXT)
 246         {
 247                 if(current->startproject <= native_position &&
 248                         current->startproject + current->length > native_position &&
 249                         current->asset)
 250                 {
 251                         w = current->asset->width;
 252                         h = current->asset->height;
 253                         return;
 254                 }
 255         }
 256 }
 257
 258
 259 int64_t Track::horizontal_span()
 260 {
 261         return (int64_t)(get_length() *
 262                 edl->session->sample_rate /
 263                 edl->local_session->zoom_sample +
 264                 0.5);
 265 }
 266
 267
 268 int Track::load(FileXML *file, int track_offset, uint32_t load_flags)
 269 {
 270         int result = 0;
 271         int current_channel = 0;
 272         int current_plugin = 0;
 273
 274
 275         record = file->tag.get_property("RECORD", record);
 276         play = file->tag.get_property("PLAY", play);
 277         gang = file->tag.get_property("GANG", gang);
 278         draw = file->tag.get_property("DRAW", draw);
 279         nudge = file->tag.get_property("NUDGE", nudge);
 280         expand_view = file->tag.get_property("EXPAND", expand_view);
 281         track_w = file->tag.get_property("TRACK_W", track_w);
 282         track_h = file->tag.get_property("TRACK_H", track_h);
 283
 284         load_header(file, load_flags);
 285
 286         do{
 287                 result = file->read_tag();
 288
 289                 if(!result)
 290                 {
 291                         if(file->tag.title_is("/TRACK"))
 292                         {
 293                                 result = 1;
 294                         }
 295                         else
 296                         if(file->tag.title_is("TITLE"))
 297                         {
 298                                 file->read_text_until("/TITLE", title, BCTEXTLEN);
 299                         }
 300                         else
 301                         if(load_flags && automation->load(file)
 302                         /* strstr(file->tag.get_title(), "AUTOS") */)
 303                         {
 304                                 ;
 305                         }
 306                         else
 307                         if(file->tag.title_is("EDITS"))
 308                         {
 309                                 if(load_flags & LOAD_EDITS)
 310                                         edits->load(file, track_offset);
 311                         }
 312                         else
 313                         if(file->tag.title_is("PLUGINSET"))
 314                         {
 315                                 if(load_flags & LOAD_EDITS)
 316                                 {
 317                                         PluginSet *plugin_set = new PluginSet(edl, this);
 318                                         this->plugin_set.append(plugin_set);
 319                                         plugin_set->load(file, load_flags);
 320                                 }
 321                                 else
 322                                 if(load_flags & LOAD_AUTOMATION)
 323                                 {
 324                                         if(current_plugin < this->plugin_set.total)
 325                                         {
 326                                                 PluginSet *plugin_set = this->plugin_set.values[current_plugin];
 327                                                 plugin_set->load(file, load_flags);
 328                                                 current_plugin++;
 329                                         }
 330                                 }
 331                         }
 332                         else
 333                                 load_derived(file, load_flags);
 334                 }
 335         }while(!result);
 336
 337
 338
 339         return 0;
 340 }
 341
 342 void Track::insert_asset(Asset *asset,
 343                 double length,
 344                 double position,
 345                 int track_number)
 346 {
 347 //printf("Track::insert_asset %f\n", length);
 348         edits->insert_asset(asset,
 349                 to_units(length, 1),
 350                 to_units(position, 0),
 351                 track_number);
 352         edits->loaded_length += to_units(length, 1);
 353 }
 354
 355 // Insert data
 356
 357 // Default keyframes: We don't replace default keyframes in pasting but
 358 // when inserting the first EDL of a load operation we need to replace
 359 // the default keyframes.
 360
 361 // Plugins:  This is an arbitrary behavior
 362 //
 363 // 1) No plugin in source track: Paste silence into destination
 364 // plugin sets.
 365 // 2) Plugin in source track: plugin in source track is inserted into
 366 // existing destination track plugin sets, new sets being added when
 367 // necessary.
 368
 369 void Track::insert_track(Track *track,
 370         double position,
 371         int replace_default,
 372         int edit_plugins)
 373 {
 374
 375 // Decide whether to copy settings based on load_mode
 376         if(replace_default) copy_settings(track);
 377
 378         edits->insert_edits(track->edits, to_units(position, 0));
 379
 380         if(edit_plugins)
 381                 insert_plugin_set(track, position);
 382
 383         automation->insert_track(track->automation,
 384                 to_units(position, 0),
 385                 to_units(track->get_length(), 1),
 386                 replace_default);
 387
 388         optimize();
 389
 390 }
 391
 392 // Called by insert_track
 393 void Track::insert_plugin_set(Track *track, double position)
 394 {
 395 // Extend plugins if no incoming plugins
 396         if(!track->plugin_set.total)
 397         {
 398                 shift_effects(position,
 399                         track->get_length(),
 400                         1);
 401         }
 402         else
 403         for(int i = 0; i < track->plugin_set.total; i++)
 404         {
 405                 if(i >= plugin_set.total)
 406                         plugin_set.append(new PluginSet(edl, this));
 407
 408                 plugin_set.values[i]->insert_edits(track->plugin_set.values[i],
 409                         to_units(position, 0));
 410         }
 411 }
 412
 413
 414 Plugin* Track::insert_effect(char *title,
 415                 SharedLocation *shared_location,
 416                 KeyFrame *default_keyframe,
 417                 PluginSet *plugin_set,
 418                 double start,
 419                 double length,
 420                 int plugin_type)
 421 {
 422         if(!plugin_set)
 423         {
 424                 plugin_set = new PluginSet(edl, this);
 425                 this->plugin_set.append(plugin_set);
 426         }
 427
 428         Plugin *plugin = 0;
 429
 430 // Position is identical to source plugin
 431         if(plugin_type == PLUGIN_SHAREDPLUGIN)
 432         {
 433                 Track *source_track = tracks->get_item_number(shared_location->module);
 434                 if(source_track)
 435                 {
 436                         Plugin *source_plugin = source_track->get_current_plugin(
 437                                 edl->local_session->get_selectionstart(),
 438                                 shared_location->plugin,
 439                                 PLAY_FORWARD,
 440                                 1,
 441                                 0);
 442
 443 // From an attach operation
 444                         if(source_plugin)
 445                         {
 446                                 plugin = plugin_set->insert_plugin(title,
 447                                         source_plugin->startproject,
 448                                         source_plugin->length,
 449                                         plugin_type,
 450                                         shared_location,
 451                                         default_keyframe,
 452                                         1);
 453                         }
 454                         else
 455 // From a drag operation
 456                         {
 457                                 plugin = plugin_set->insert_plugin(title,
 458                                         to_units(start, 0),
 459                                         to_units(length, 1),
 460                                         plugin_type,
 461                                         shared_location,
 462                                         default_keyframe,
 463                                         1);
 464                         }
 465                 }
 466         }
 467         else
 468         {
 469 // This should be done in the caller
 470                 if(EQUIV(length, 0))
 471                 {
 472                         if(edl->local_session->get_selectionend() >
 473                                 edl->local_session->get_selectionstart())
 474                         {
 475                                 start = edl->local_session->get_selectionstart();
 476                                 length = edl->local_session->get_selectionend() - start;
 477                         }
 478                         else
 479                         {
 480                                 start = 0;
 481                                 length = get_length();
 482                         }
 483                 }
 484 //printf("Track::insert_effect %f %f %d %d\n", start, length, to_units(start, 0),
 485 //                      to_units(length, 0));
 486
 487                 plugin = plugin_set->insert_plugin(title,
 488                         to_units(start, 0),
 489                         to_units(length, 1),
 490                         plugin_type,
 491                         shared_location,
 492                         default_keyframe,
 493                         1);
 494         }
 495 //printf("Track::insert_effect 2 %f %f\n", start, length);
 496
 497         expand_view = 1;
 498         return plugin;
 499 }
 500
 501 void Track::move_plugins_up(PluginSet *plugin_set)
 502 {
 503         for(int i = 0; i < this->plugin_set.total; i++)
 504         {
 505                 if(this->plugin_set.values[i] == plugin_set)
 506                 {
 507                         if(i == 0) break;
 508
 509                         PluginSet *temp = this->plugin_set.values[i - 1];
 510                         this->plugin_set.values[i - 1] = this->plugin_set.values[i];
 511                         this->plugin_set.values[i] = temp;
 512
 513                         SharedLocation old_location, new_location;
 514                         new_location.module = old_location.module = tracks->number_of(this);
 515                         old_location.plugin = i;
 516                         new_location.plugin = i - 1;
 517                         tracks->change_plugins(old_location, new_location, 1);
 518                         break;
 519                 }
 520         }
 521 }
 522
 523 void Track::move_plugins_down(PluginSet *plugin_set)
 524 {
 525         for(int i = 0; i < this->plugin_set.total; i++)
 526         {
 527                 if(this->plugin_set.values[i] == plugin_set)
 528                 {
 529                         if(i == this->plugin_set.total - 1) break;
 530
 531                         PluginSet *temp = this->plugin_set.values[i + 1];
 532                         this->plugin_set.values[i + 1] = this->plugin_set.values[i];
 533                         this->plugin_set.values[i] = temp;
 534
 535                         SharedLocation old_location, new_location;
 536                         new_location.module = old_location.module = tracks->number_of(this);
 537                         old_location.plugin = i;
 538                         new_location.plugin = i + 1;
 539                         tracks->change_plugins(old_location, new_location, 1);
 540                         break;
 541                 }
 542         }
 543 }
 544
 545
 546 void Track::remove_asset(Asset *asset)
 547 {
 548         for(Edit *edit = edits->first; edit; edit = edit->next)
 549         {
 550                 if(edit->asset && edit->asset == asset)
 551                 {
 552                         edit->asset = 0;
 553                 }
 554         }
 555         optimize();
 556 }
 557
 558 void Track::remove_pluginset(PluginSet *plugin_set)
 559 {
 560         int i;
 561         for(i = 0; i < this->plugin_set.total; i++)
 562                 if(plugin_set == this->plugin_set.values[i]) break;
 563
 564         this->plugin_set.remove_object(plugin_set);
 565         for(i++ ; i < this->plugin_set.total; i++)
 566         {
 567                 SharedLocation old_location, new_location;
 568                 new_location.module = old_location.module = tracks->number_of(this);
 569                 old_location.plugin = i;
 570                 new_location.plugin = i - 1;
 571                 tracks->change_plugins(old_location, new_location, 0);
 572         }
 573 }
 574
 575 void Track::shift_keyframes(double position, double length, int convert_units)
 576 {
 577         if(convert_units)
 578         {
 579                 position = to_units(position, 0);
 580                 length = to_units(length, 1);
 581         }
 582
 583         automation->paste_silence(Units::to_int64(position),
 584                 Units::to_int64(position + length));
 585 // Effect keyframes are shifted in shift_effects
 586 }
 587
 588 void Track::shift_effects(double position, double length, int convert_units)
 589 {
 590         if(convert_units)
 591         {
 592                 position = to_units(position, 0);
 593                 length = to_units(length, 1);
 594         }
 595
 596         for(int i = 0; i < plugin_set.total; i++)
 597         {
 598                 plugin_set.values[i]->shift_effects(Units::to_int64(position), Units::to_int64(length));
 599         }
 600 }
 601
 602 void Track::detach_effect(Plugin *plugin)
 603 {
 604 //printf("Track::detach_effect 1\n");
 605         for(int i = 0; i < plugin_set.total; i++)
 606         {
 607                 PluginSet *plugin_set = this->plugin_set.values[i];
 608                 for(Plugin *dest = (Plugin*)plugin_set->first;
 609                         dest;
 610                         dest = (Plugin*)dest->next)
 611                 {
 612                         if(dest == plugin)
 613                         {
 614                                 int64_t start = plugin->startproject;
 615                                 int64_t end = plugin->startproject + plugin->length;
 616
 617                                 plugin_set->clear(start, end);
 618                                 plugin_set->paste_silence(start, end);
 619
 620 // Delete 0 length pluginsets
 621                                 plugin_set->optimize();
 622 //printf("Track::detach_effect 2 %d\n", plugin_set->length());
 623                                 if(plugin_set->last == plugin_set->first && plugin_set->last->silence())
 624                                         remove_pluginset(plugin_set);
 625                                 return;
 626                         }
 627                 }
 628         }
 629 }
 630
 631 void Track::resample(double old_rate, double new_rate)
 632 {
 633         edits->resample(old_rate, new_rate);
 634         automation->resample(old_rate, new_rate);
 635         for(int i = 0; i < plugin_set.total; i++)
 636                 plugin_set.values[i]->resample(old_rate, new_rate);
 637         nudge = (int64_t)(nudge * new_rate / old_rate);
 638 }
 639
 640 void Track::detach_shared_effects(int module)
 641 {
 642         for(int i = 0; i < plugin_set.total; i++)
 643         {
 644                 PluginSet *plugin_set = this->plugin_set.values[i];
 645                 for(Plugin *dest = (Plugin*)plugin_set->first;
 646                         dest;
 647                         dest = (Plugin*)dest->next)
 648                 {
 649                         if ((dest->plugin_type == PLUGIN_SHAREDPLUGIN ||
 650                                 dest->plugin_type == PLUGIN_SHAREDMODULE)
 651                             &&
 652                                 dest->shared_location.module == module)
 653                         {
 654                                 int64_t start = dest->startproject;
 655                                 int64_t end = dest->startproject + dest->length;
 656
 657                                 plugin_set->clear(start, end);
 658                                 plugin_set->paste_silence(start, end);
 659
 660 // Delete 0 length pluginsets
 661                                 plugin_set->optimize();
 662                                 if(plugin_set->last == plugin_set->first && plugin_set->last->silence())
 663                                 {
 664                                         this->plugin_set.remove_object_number(i);
 665                                         --i;
 666                                 }
 667                         }
 668                 }
 669         }
 670 }
 671
 672
 673 void Track::optimize()
 674 {
 675         edits->optimize();
 676         for(int i = 0; i < plugin_set.total; i++)
 677         {
 678                 PluginSet *plugin_set = this->plugin_set.values[i];
 679                 plugin_set->optimize();
 680 //printf("Track::optimize %d\n", plugin_set.values[i]->total());
 681 // new definition of empty track...
 682                 if(plugin_set->last == plugin_set->first && plugin_set->last->silence())
 683                 {
 684                         remove_pluginset(plugin_set);
 685                         i--;
 686                 }
 687         }
 688 }
 689
 690 Plugin* Track::get_current_plugin(double position,
 691         int plugin_set,
 692         int direction,
 693         int convert_units,
 694         int use_nudge)
 695 {
 696         Plugin *current;
 697         if(convert_units) position = to_units(position, 0);
 698         if(use_nudge) position += nudge;
 699
 700         if(plugin_set >= this->plugin_set.total || plugin_set < 0) return 0;
 701
 702 //printf("Track::get_current_plugin 1 %d %d %d\n", position, this->plugin_set.total, direction);
 703         if(direction == PLAY_FORWARD)
 704         {
 705                 for(current = (Plugin*)this->plugin_set.values[plugin_set]->last;
 706                         current;
 707                         current = (Plugin*)PREVIOUS)
 708                 {
 709 // printf("Track::get_current_plugin 2 %d %ld %ld\n",
 710 // current->startproject,
 711 // current->startproject + current->length,
 712 // position);
 713                         if(current->startproject <= position &&
 714                                 current->startproject + current->length > position)
 715                         {
 716                                 return current;
 717                         }
 718                 }
 719         }
 720         else
 721         if(direction == PLAY_REVERSE)
 722         {
 723                 for(current = (Plugin*)this->plugin_set.values[plugin_set]->first;
 724                         current;
 725                         current = (Plugin*)NEXT)
 726                 {
 727                         if(current->startproject < position &&
 728                                 current->startproject + current->length >= position)
 729                         {
 730                                 return current;
 731                         }
 732                 }
 733         }
 734
 735         return 0;
 736 }
 737
 738 Plugin* Track::get_current_transition(double position,
 739         int direction,
 740         int convert_units,
 741         int use_nudge)
 742 {
 743         Edit *current;
 744         Plugin *result = 0;
 745         if(convert_units) position = to_units(position, 0);
 746         if(use_nudge) position += nudge;
 747
 748         if(direction == PLAY_FORWARD)
 749         {
 750                 for(current = edits->last; current; current = PREVIOUS)
 751                 {
 752                         if(current->startproject <= position && current->startproject + current->length > position)
 753                         {
 754 //printf("Track::get_current_transition %p\n", current->transition);
 755                                 if(current->transition && position < current->startproject + current->transition->length)
 756                                 {
 757                                         result = current->transition;
 758                                         break;
 759                                 }
 760                         }
 761                 }
 762         }
 763         else
 764         if(direction == PLAY_REVERSE)
 765         {
 766                 for(current = edits->first; current; current = NEXT)
 767                 {
 768                         if(current->startproject < position && current->startproject + current->length >= position)
 769                         {
 770                                 if(current->transition && position <= current->startproject + current->transition->length)
 771                                 {
 772                                         result = current->transition;
 773                                         break;
 774                                 }
 775                         }
 776                 }
 777         }
 778
 779         return result;
 780 }
 781
 782 void Track::synchronize_params(Track *track)
 783 {
 784         for(Edit *this_edit = edits->first, *that_edit = track->edits->first;
 785                 this_edit && that_edit;
 786                 this_edit = this_edit->next, that_edit = that_edit->next)
 787         {
 788                 this_edit->synchronize_params(that_edit);
 789         }
 790
 791         for(int i = 0; i < plugin_set.total && i < track->plugin_set.total; i++)
 792                 plugin_set.values[i]->synchronize_params(track->plugin_set.values[i]);
 793
 794         automation->copy_from(track->automation);
 795         this->nudge = track->nudge;
 796 }
 797
 798
 799
 800
 801
 802 int Track::dump()
 803 {
 804         printf("   Data type %d\n", data_type);
 805         printf("   Title %s\n", title);
 806         printf("   Edits:\n");
 807         for(Edit* current = edits->first; current; current = NEXT)
 808         {
 809                 current->dump();
 810         }
 811         automation->dump();
 812         printf("   Plugin Sets: %d\n", plugin_set.total);
 813
 814         for(int i = 0; i < plugin_set.total; i++)
 815                 plugin_set.values[i]->dump();
 816 //printf("Track::dump 2\n");
 817         return 0;
 818 }
 819
 820
 821
 822
 823
 824
 825
 826
 827
 828
 829
 830
 831
 832
 833
 834
 835
 836
 837
 838
 839
 840 Track::Track() : ListItem<Track>()
 841 {
 842         y_pixel = 0;
 843 }
 844
 845 // ======================================== accounting
 846
 847 int Track::number_of()
 848 {
 849         return tracks->number_of(this);
 850 }
 851
 852
 853
 854
 855
 856
 857
 858
 859
 860
 861
 862
 863
 864 // ================================================= editing
 865
 866 int Track::select_auto(AutoConf *auto_conf, int cursor_x, int cursor_y)
 867 {
 868         return 0;
 869 }
 870
 871 int Track::move_auto(AutoConf *auto_conf, int cursor_x, int cursor_y, int shift_down)
 872 {
 873         return 0;
 874 }
 875
 876 int Track::release_auto()
 877 {
 878         return 0;
 879 }
 880
 881 // used for copying automation alone
 882 int Track::copy_automation(double selectionstart,
 883         double selectionend,
 884         FileXML *file,
 885         int default_only,
 886         int autos_only)
 887 {
 888         int64_t start = to_units(selectionstart, 0);
 889         int64_t end = to_units(selectionend, 1);
 890
 891         file->tag.set_title("TRACK");
 892 // Video or audio
 893     save_header(file);
 894         file->append_tag();
 895         file->append_newline();
 896
 897         automation->copy(start, end, file, default_only, autos_only);
 898
 899         if(edl->session->auto_conf->plugins)
 900         {
 901                 file->tag.set_title("PLUGINSETS");
 902                 file->append_tag();
 903                 file->append_newline();
 904                 for(int i = 0; i < plugin_set.total; i++)
 905                 {
 906
 907                         plugin_set.values[i]->copy_keyframes(start,
 908                                 end,
 909                                 file,
 910                                 default_only,
 911                                 autos_only);
 912                 }
 913                 file->tag.set_title("/PLUGINSETS");
 914                 file->append_tag();
 915                 file->append_newline();
 916         }
 917
 918         file->tag.set_title("/TRACK");
 919         file->append_tag();
 920         file->append_newline();
 921         file->append_newline();
 922         file->append_newline();
 923         file->append_newline();
 924
 925         return 0;
 926 }
 927
 928 int Track::paste_automation(double selectionstart,
 929         double total_length,
 930         double frame_rate,
 931         int64_t sample_rate,
 932         FileXML *file,
 933         int default_only)
 934 {
 935 // Only used for pasting automation alone.
 936         int64_t start;
 937         int64_t length;
 938         int result;
 939         double scale;
 940
 941         if(data_type == TRACK_AUDIO)
 942                 scale = edl->session->sample_rate / sample_rate;
 943         else
 944                 scale = edl->session->frame_rate / frame_rate;
 945
 946         total_length *= scale;
 947         start = to_units(selectionstart, 0);
 948         length = to_units(total_length, 1);
 949         result = 0;
 950 //printf("Track::paste_automation 1\n");
 951
 952         while(!result)
 953         {
 954                 result = file->read_tag();
 955
 956                 if(!result)
 957                 {
 958                         if(file->tag.title_is("/TRACK"))
 959                                 result = 1;
 960                         else
 961                         if(automation->paste(start,
 962                                         length,
 963                                         scale,
 964                                         file,
 965                                         default_only,
 966                                         0))
 967                         /* strstr(file->tag.get_title(), "AUTOS")) */
 968                         {
 969                                 ;
 970                         }
 971                         else
 972                         if(file->tag.title_is("PLUGINSETS"))
 973                         {
 974 //printf("Track::paste_automation 2 %d\n", current_pluginset);
 975                                 PluginSet::paste_keyframes(start,
 976                                         length,
 977                                         file,
 978                                         default_only,
 979                                         this);
 980                         }
 981                 }
 982         }
 983 //printf("Track::paste_automation 3\n");
 984
 985
 986         return 0;
 987 }
 988
 989 void Track::clear_automation(double selectionstart,
 990         double selectionend,
 991         int shift_autos,
 992         int default_only)
 993 {
 994         int64_t start = to_units(selectionstart, 0);
 995         int64_t end = to_units(selectionend, 1);
 996
 997         automation->clear(start, end, edl->session->auto_conf, 0);
 998
 999         if(edl->session->auto_conf->plugins)
1000         {
1001                 for(int i = 0; i < plugin_set.total; i++)
1002                 {
1003                         plugin_set.values[i]->clear_keyframes(start, end);
1004                 }
1005         }
1006
1007 }
1008
1009 void Track::straighten_automation(double selectionstart,
1010         double selectionend)
1011 {
1012         int64_t start = to_units(selectionstart, 0);
1013         int64_t end = to_units(selectionend, 1);
1014
1015         automation->straighten(start, end, edl->session->auto_conf);
1016 }
1017
1018
1019
1020
1021 int Track::copy(double start,
1022         double end,
1023         FileXML *file,
1024         char *output_path)
1025 {
1026 // Use a copy of the selection in converted units
1027 // So copy_automation doesn't reconvert.
1028         int64_t start_unit = to_units(start, 0);
1029         int64_t end_unit = to_units(end, 1);
1030
1031
1032
1033
1034         file->tag.set_title("TRACK");
1035         file->tag.set_property("RECORD", record);
1036         file->tag.set_property("NUDGE", nudge);
1037         file->tag.set_property("PLAY", play);
1038         file->tag.set_property("GANG", gang);
1039         file->tag.set_property("DRAW", draw);
1040         file->tag.set_property("EXPAND", expand_view);
1041         file->tag.set_property("TRACK_W", track_w);
1042         file->tag.set_property("TRACK_H", track_h);
1043         save_header(file);
1044         file->append_tag();
1045         file->append_newline();
1046         save_derived(file);
1047
1048         file->tag.set_title("TITLE");
1049         file->append_tag();
1050         file->append_text(title);
1051         file->tag.set_title("/TITLE");
1052         file->append_tag();
1053         file->append_newline();
1054
1055 //      if(data_type == TRACK_AUDIO)
1056 //              file->tag.set_property("TYPE", "AUDIO");
1057 //      else
1058 //              file->tag.set_property("TYPE", "VIDEO");
1059 //
1060 //      file->append_tag();
1061 //      file->append_newline();
1062
1063         edits->copy(start_unit, end_unit, file, output_path);
1064
1065         AutoConf auto_conf;
1066         auto_conf.set_all(1);
1067         automation->copy(start_unit, end_unit, file, 0, 0);
1068
1069
1070         for(int i = 0; i < plugin_set.total; i++)
1071         {
1072                 plugin_set.values[i]->copy(start_unit, end_unit, file);
1073         }
1074
1075         copy_derived(start_unit, end_unit, file);
1076
1077         file->tag.set_title("/TRACK");
1078         file->append_tag();
1079         file->append_newline();
1080         file->append_newline();
1081         file->append_newline();
1082         file->append_newline();
1083
1084         return 0;
1085 }
1086
1087 int Track::copy_assets(double start,
1088         double end,
1089         ArrayList<Asset*> *asset_list)
1090 {
1091         int i, result = 0;
1092
1093         start = to_units(start, 0);
1094         end = to_units(end, 1);
1095
1096         Edit *current = edits->editof((int64_t)start, PLAY_FORWARD, 0);
1097
1098 // Search all edits
1099         while(current && current->startproject < end)
1100         {
1101 // Check for duplicate assets
1102                 if(current->asset)
1103                 {
1104                         for(i = 0, result = 0; i < asset_list->total; i++)
1105                         {
1106                                 if(asset_list->values[i] == current->asset) result = 1;
1107                         }
1108 // append pointer to new asset
1109                         if(!result) asset_list->append(current->asset);
1110                 }
1111
1112                 current = NEXT;
1113         }
1114
1115         return 0;
1116 }
1117
1118
1119
1120
1121
1122 int Track::clear(double start,
1123         double end,
1124         int edit_edits,
1125         int edit_labels,
1126         int edit_plugins,
1127         int convert_units,
1128         Edits *trim_edits)
1129 {
1130 // Edits::move_auto calls this routine after the units are converted to the track
1131 // format.
1132 //printf("Track::clear 1 %d %d %d\n", edit_edits, edit_labels, edit_plugins);
1133         if(convert_units)
1134         {
1135                 start = to_units(start, 0);
1136                 end = to_units(end, 1);
1137         }
1138
1139         if(edit_edits)
1140                 automation->clear((int64_t)start, (int64_t)end, 0, 1);
1141
1142         if(edit_plugins)
1143                 for(int i = 0; i < plugin_set.total; i++)
1144                 {
1145                         if(!trim_edits || trim_edits == (Edits*)plugin_set.values[i])
1146                                 plugin_set.values[i]->clear((int64_t)start, (int64_t)end);
1147                 }
1148
1149         if(edit_edits)
1150                 edits->clear((int64_t)start, (int64_t)end);
1151         return 0;
1152 }
1153
1154 int Track::clear_handle(double start,
1155         double end,
1156         int clear_labels,
1157         int clear_plugins,
1158         double &distance)
1159 {
1160         edits->clear_handle(start, end, clear_plugins, distance);
1161 }
1162
1163 int Track::popup_transition(int cursor_x, int cursor_y)
1164 {
1165         return 0;
1166 }
1167
1168
1169
1170 int Track::modify_edithandles(double oldposition,
1171         double newposition,
1172         int currentend,
1173         int handle_mode,
1174         int edit_labels,
1175         int edit_plugins)
1176 {
1177         edits->modify_handles(oldposition,
1178                 newposition,
1179                 currentend,
1180                 handle_mode,
1181                 1,
1182                 edit_labels,
1183                 edit_plugins,
1184                 0);
1185
1186
1187         return 0;
1188 }
1189
1190 int Track::modify_pluginhandles(double oldposition,
1191         double newposition,
1192         int currentend,
1193         int handle_mode,
1194         int edit_labels,
1195         Edits *trim_edits)
1196 {
1197         for(int i = 0; i < plugin_set.total; i++)
1198         {
1199                 if(!trim_edits || trim_edits == (Edits*)plugin_set.values[i])
1200                         plugin_set.values[i]->modify_handles(oldposition,
1201                                 newposition,
1202                                 currentend,
1203                                 handle_mode,
1204 // Don't allow plugin tweeks to affect edits.
1205                                 0,
1206                                 edit_labels,
1207                                 1,
1208                                 trim_edits);
1209         }
1210         return 0;
1211 }
1212
1213
1214 int Track::paste_silence(double start, double end, int edit_plugins)
1215 {
1216         start = to_units(start, 0);
1217         end = to_units(end, 1);
1218
1219         edits->paste_silence((int64_t)start, (int64_t)end);
1220         shift_keyframes(start, end - start, 0);
1221         if(edit_plugins) shift_effects(start, end - start, 0);
1222
1223         edits->optimize();
1224         return 0;
1225 }
1226
1227 int Track::select_edit(int cursor_x,
1228         int cursor_y,
1229         double &new_start,
1230         double &new_end)
1231 {
1232         return 0;
1233 }
1234
1235 int Track::scale_time(float rate_scale, int scale_edits, int scale_autos, int64_t start, int64_t end)
1236 {
1237         return 0;
1238 }
1239
1240 void Track::change_plugins(SharedLocation &old_location, SharedLocation &new_location, int do_swap)
1241 {
1242         for(int i = 0; i < plugin_set.total; i++)
1243         {
1244                 for(Plugin *plugin = (Plugin*)plugin_set.values[i]->first;
1245                         plugin;
1246                         plugin = (Plugin*)plugin->next)
1247                 {
1248                         if(plugin->plugin_type == PLUGIN_SHAREDPLUGIN)
1249                         {
1250                                 if(plugin->shared_location == old_location)
1251                                         plugin->shared_location = new_location;
1252                                 else
1253                                 if(do_swap && plugin->shared_location == new_location)
1254                                         plugin->shared_location = old_location;
1255                         }
1256                 }
1257         }
1258 }
1259
1260 void Track::change_modules(int old_location, int new_location, int do_swap)
1261 {
1262         for(int i = 0; i < plugin_set.total; i++)
1263         {
1264                 for(Plugin *plugin = (Plugin*)plugin_set.values[i]->first;
1265                         plugin;
1266                         plugin = (Plugin*)plugin->next)
1267                 {
1268                         if(plugin->plugin_type == PLUGIN_SHAREDPLUGIN ||
1269                                 plugin->plugin_type == PLUGIN_SHAREDMODULE)
1270                         {
1271                                 if(plugin->shared_location.module == old_location)
1272                                         plugin->shared_location.module = new_location;
1273                                 else
1274                                 if(do_swap && plugin->shared_location.module == new_location)
1275                                         plugin->shared_location.module = old_location;
1276                         }
1277                 }
1278         }
1279 }
1280
1281
1282 int Track::playable_edit(int64_t position, int direction)
1283 {
1284         int result = 0;
1285         if(direction == PLAY_REVERSE) position--;
1286         for(Edit *current = edits->first; current && !result; current = NEXT)
1287         {
1288                 if(current->startproject <= position &&
1289                         current->startproject + current->length > position)
1290                 {
1291 //printf("Track::playable_edit %p %p\n", current->transition, current->asset);
1292                         if(current->transition || current->asset) result = 1;
1293                 }
1294         }
1295         return result;
1296 }
1297
1298
1299 int Track::need_edit(Edit *current, int test_transitions)
1300 {
1301         return ((test_transitions && current->transition) ||
1302                 (!test_transitions && current->asset));
1303 }
1304
1305 int64_t Track::plugin_change_duration(int64_t input_position,
1306         int64_t input_length,
1307         int reverse,
1308         int use_nudge)
1309 {
1310         if(use_nudge) input_position += nudge;
1311         for(int i = 0; i < plugin_set.total; i++)
1312         {
1313                 int64_t new_duration = plugin_set.values[i]->plugin_change_duration(
1314                         input_position,
1315                         input_length,
1316                         reverse);
1317                 if(new_duration < input_length) input_length = new_duration;
1318         }
1319         return input_length;
1320 }
1321
1322 int64_t Track::edit_change_duration(int64_t input_position,
1323         int64_t input_length,
1324         int reverse,
1325         int test_transitions,
1326         int use_nudge)
1327 {
1328         Edit *current;
1329         int64_t edit_length = input_length;
1330         if(use_nudge) input_position += nudge;
1331
1332         if(reverse)
1333         {
1334 // ================================= Reverse playback
1335 // Get first edit on or after position
1336                 for(current = edits->first;
1337                         current && current->startproject + current->length <= input_position;
1338                         current = NEXT)
1339                         ;
1340
1341                 if(current)
1342                 {
1343                         if(current->startproject > input_position)
1344                         {
1345 // Before first edit
1346                                 ;
1347                         }
1348                         else
1349                         if(need_edit(current, test_transitions))
1350                         {
1351 // Over an edit of interest.
1352                                 if(input_position - current->startproject < input_length)
1353                                         edit_length = input_position - current->startproject + 1;
1354                         }
1355                         else
1356                         {
1357 // Over an edit that isn't of interest.
1358 // Search for next edit of interest.
1359                                 for(current = PREVIOUS ;
1360                                         current &&
1361                                         current->startproject + current->length > input_position - input_length &&
1362                                         !need_edit(current, test_transitions);
1363                                         current = PREVIOUS)
1364                                         ;
1365
1366                                         if(current &&
1367                                                 need_edit(current, test_transitions) &&
1368                                                 current->startproject + current->length > input_position - input_length)
1369                         edit_length = input_position - current->startproject - current->length + 1;
1370                         }
1371                 }
1372                 else
1373                 {
1374 // Not over an edit.  Try the last edit.
1375                         current = edits->last;
1376                         if(current &&
1377                                 ((test_transitions && current->transition) ||
1378                                 (!test_transitions && current->asset)))
1379                                 edit_length = input_position - edits->length() + 1;
1380                 }
1381         }
1382         else
1383         {
1384 // =================================== forward playback
1385 // Get first edit on or before position
1386                 for(current = edits->last;
1387                         current && current->startproject > input_position;
1388                         current = PREVIOUS)
1389                         ;
1390
1391                 if(current)
1392                 {
1393                         if(current->startproject + current->length <= input_position)
1394                         {
1395 // Beyond last edit.
1396                                 ;
1397                         }
1398                         else
1399                         if(need_edit(current, test_transitions))
1400                         {
1401 // Over an edit of interest.
1402 // Next edit is going to require a change.
1403                                 if(current->length + current->startproject - input_position < input_length)
1404                                         edit_length = current->startproject + current->length - input_position;
1405                         }
1406                         else
1407                         {
1408 // Over an edit that isn't of interest.
1409 // Search for next edit of interest.
1410                                 for(current = NEXT ;
1411                                         current &&
1412                                         current->startproject < input_position + input_length &&
1413                                         !need_edit(current, test_transitions);
1414                                         current = NEXT)
1415                                         ;
1416
1417                                         if(current &&
1418                                                 need_edit(current, test_transitions) &&
1419                                                 current->startproject < input_position + input_length)
1420                                                 edit_length = current->startproject - input_position;
1421                         }
1422                 }
1423                 else
1424                 {
1425 // Not over an edit.  Try the first edit.
1426                         current = edits->first;
1427                         if(current &&
1428                                 ((test_transitions && current->transition) ||
1429                                 (!test_transitions && current->asset)))
1430                                 edit_length = edits->first->startproject - input_position;
1431                 }
1432         }
1433
1434         if(edit_length < input_length)
1435                 return edit_length;
1436         else
1437                 return input_length;
1438 }
1439
1440 int Track::purge_asset(Asset *asset)
1441 {
1442         return 0;
1443 }
1444
1445 int Track::asset_used(Asset *asset)
1446 {
1447         Edit* current_edit;
1448         int result = 0;
1449
1450         for(current_edit = edits->first; current_edit; current_edit = current_edit->next)
1451         {
1452                 if(current_edit->asset == asset)
1453                 {
1454                         result++;
1455                 }
1456         }
1457         return result;
1458 }
1459
1460 int Track::is_playable(int64_t position, int direction)
1461 {
1462         return 1;
1463 }
1464
1465
1466 int Track::plugin_used(int64_t position, int64_t direction)
1467 {
1468 //printf("Track::plugin_used 1 %d\n", this->plugin_set.total);
1469         for(int i = 0; i < this->plugin_set.total; i++)
1470         {
1471                 Plugin *current_plugin = get_current_plugin(position,
1472                         i,
1473                         direction,
1474                         0,
1475                         0);
1476
1477 //printf("Track::plugin_used 2 %p\n", current_plugin);
1478                 if(current_plugin &&
1479                         (current_plugin->on &&
1480                         current_plugin->plugin_type != PLUGIN_NONE))
1481                 {
1482                         return 1;
1483                 }
1484         }
1485 //printf("Track::plugin_used 3 %p\n", current_plugin);
1486         return 0;
1487 }
1488
1489 // Audio is always rendered through VConsole
1490 int Track::direct_copy_possible(int64_t start, int direction, int use_nudge)
1491 {
1492         return 1;
1493 }
1494
1495 int64_t Track::to_units(double position, int round)
1496 {
1497         return (int64_t)position;
1498 }
1499
1500 double Track::to_doubleunits(double position)
1501 {
1502         return position;
1503 }
1504
1505 double Track::from_units(int64_t position)
1506 {
1507         return (double)position;
1508 }