cinelerra-5.1/cinelerra/tracks.C

   1 /*
   2  * CINELERRA
   3  * Copyright (C) 2010 Adam Williams <broadcast at earthling dot net>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  *
  19  */
  20
  21 #include "atrack.h"
  22 #include "automation.h"
  23 #include "clip.h"
  24 #include "bchash.h"
  25 #include "edit.h"
  26 #include "edits.h"
  27 #include "edl.h"
  28 #include "edlsession.h"
  29 #include "file.h"
  30 #include "filexml.h"
  31 #include "intauto.h"
  32 #include "intautos.h"
  33 #include "localsession.h"
  34 #include "module.h"
  35 #include "panauto.h"
  36 #include "panautos.h"
  37 #include "patchbay.h"
  38 #include "mainsession.h"
  39 #include "strack.h"
  40 #include "theme.h"
  41 #include "track.h"
  42 #include "trackcanvas.h"
  43 #include "tracks.h"
  44 #include "transportque.inc"
  45 #include "vtrack.h"
  46 #include <string.h>
  47
  48 Tracks::Tracks(EDL *edl)
  49  : List<Track>()
  50 {
  51         this->edl = edl;
  52 }
  53
  54 Tracks::Tracks()
  55  : List<Track>()
  56 {
  57 }
  58
  59
  60 Tracks::~Tracks()
  61 {
  62         delete_all_tracks();
  63 }
  64
  65
  66
  67
  68
  69 void Tracks::equivalent_output(Tracks *tracks, double *result)
  70 {
  71         if(total_playable_vtracks() != tracks->total_playable_vtracks())
  72         {
  73                 *result = 0;
  74         }
  75         else
  76         {
  77                 Track *current = first;
  78                 Track *that_current = tracks->first;
  79                 while(current || that_current)
  80                 {
  81 // Get next video track
  82                         while(current && current->data_type != TRACK_VIDEO)
  83                                 current = NEXT;
  84
  85                         while(that_current && that_current->data_type != TRACK_VIDEO)
  86                                 that_current = that_current->next;
  87
  88 // One doesn't exist but the other does
  89                         if((!current && that_current) ||
  90                                 (current && !that_current))
  91                         {
  92                                 *result = 0;
  93                                 break;
  94                         }
  95                         else
  96 // Both exist
  97                         if(current && that_current)
  98                         {
  99                                 current->equivalent_output(that_current, result);
 100                                 current = NEXT;
 101                                 that_current = that_current->next;
 102                         }
 103                 }
 104         }
 105 }
 106
 107
 108
 109
 110 void Tracks::get_affected_edits(ArrayList<Edit*> *drag_edits, double position, Track *start_track)
 111 {
 112         drag_edits->remove_all();
 113
 114         for(Track *track = start_track;
 115                 track;
 116                 track = track->next)
 117         {
 118 //printf("Tracks::get_affected_edits 1 %p %d %d\n", track, track->data_type, track->record);
 119                 if(track->record)
 120                 {
 121                         for(Edit *edit = track->edits->first; edit; edit = edit->next)
 122                         {
 123                                 double startproject = track->from_units(edit->startproject);
 124 //printf("Tracks::get_affected_edits 1 %d\n", edl->equivalent(startproject, position));
 125                                 if(edl->equivalent(startproject, position))
 126                                 {
 127                                         drag_edits->append(edit);
 128                                         break;
 129                                 }
 130                         }
 131                 }
 132         }
 133
 134 }
 135
 136 void Tracks::get_automation_extents(float *min,
 137         float *max,
 138         double start,
 139         double end,
 140         int autogrouptype)
 141 {
 142         *min = 0;
 143         *max = 0;
 144         int coords_undefined = 1;
 145         for(Track *current = first; current; current = NEXT)
 146         {
 147                 if(current->record)
 148                 {
 149                         current->automation->get_extents(min,
 150                                 max,
 151                                 &coords_undefined,
 152                                 current->to_units(start, 0),
 153                                 current->to_units(end, 1),
 154                                 autogrouptype);
 155                 }
 156         }
 157 }
 158
 159
 160 void Tracks::copy_from(Tracks *tracks)
 161 {
 162         Track *new_track = 0;
 163
 164         delete_all_tracks();
 165         for(Track *current = tracks->first; current; current = NEXT)
 166         {
 167                 switch(current->data_type)
 168                 {
 169                 case TRACK_AUDIO:
 170                         new_track = add_audio_track(0, 0);
 171                         break;
 172                 case TRACK_VIDEO:
 173                         new_track = add_video_track(0, 0);
 174                         break;
 175                 case TRACK_SUBTITLE:
 176                         new_track = add_subttl_track(0, 0);
 177                         break;
 178                 default:
 179                         continue;
 180                 }
 181                 new_track->copy_from(current);
 182         }
 183 }
 184
 185 Tracks& Tracks::operator=(Tracks &tracks)
 186 {
 187 printf("Tracks::operator= 1\n");
 188         copy_from(&tracks);
 189         return *this;
 190 }
 191
 192 int Tracks::load(FileXML *xml,
 193         int &track_offset,
 194         uint32_t load_flags)
 195 {
 196 // add the appropriate type of track
 197         char string[BCTEXTLEN];
 198         Track *track = 0;
 199         string[0] = 0;
 200
 201         xml->tag.get_property("TYPE", string);
 202
 203         if((load_flags & LOAD_ALL) == LOAD_ALL ||
 204                 (load_flags & LOAD_EDITS)) {
 205                 if(!strcmp(string, "VIDEO")) {
 206                         track = add_video_track(0, 0);
 207                 }
 208                 else if(!strcmp(string, "SUBTTL")) {
 209                         track = add_subttl_track(0, 0);
 210                 }
 211                 else {
 212                         track = add_audio_track(0, 0);    // default to audio
 213                 }
 214         }
 215         else {
 216                 track = get_item_number(track_offset++);
 217         }
 218
 219 // load it
 220         if( track ) track->load(xml, track_offset, load_flags);
 221
 222         return 0;
 223 }
 224
 225 Track* Tracks::add_audio_track(int above, Track *dst_track)
 226 {
 227         ATrack* new_track = new ATrack(edl, this);
 228         if(!dst_track)
 229         {
 230                 dst_track = (above ? first : last);
 231         }
 232
 233         if(above)
 234         {
 235                 insert_before(dst_track, (Track*)new_track);
 236         }
 237         else
 238         {
 239                 insert_after(dst_track, (Track*)new_track);
 240 // Shift effects referenced below the destination track
 241         }
 242
 243 // Shift effects referenced below the new track
 244         for(Track *track = last;
 245                 track && track != new_track;
 246                 track = track->previous)
 247         {
 248                 change_modules(number_of(track) - 1, number_of(track), 0);
 249         }
 250
 251
 252         new_track->create_objects();
 253         new_track->set_default_title();
 254
 255         int current_pan = 0;
 256         for(Track *current = first;
 257                 current != (Track*)new_track;
 258                 current = NEXT)
 259         {
 260                 if(current->data_type == TRACK_AUDIO) current_pan++;
 261                 if(current_pan >= edl->session->audio_channels) current_pan = 0;
 262         }
 263
 264
 265
 266         PanAuto* pan_auto =
 267                 (PanAuto*)new_track->automation->autos[AUTOMATION_PAN]->default_auto;
 268         pan_auto->values[current_pan] = 1.0;
 269
 270         BC_Pan::calculate_stick_position(edl->session->audio_channels,
 271                 edl->session->achannel_positions,
 272                 pan_auto->values,
 273                 MAX_PAN,
 274                 PAN_RADIUS,
 275                 pan_auto->handle_x,
 276                 pan_auto->handle_y);
 277         return new_track;
 278 }
 279
 280 Track* Tracks::add_video_track(int above, Track *dst_track)
 281 {
 282         VTrack* new_track = new VTrack(edl, this);
 283         if(!dst_track)
 284                 dst_track = (above ? first : last);
 285         if(above)
 286                 insert_before(dst_track, (Track*)new_track);
 287         else
 288                 insert_after(dst_track, (Track*)new_track);
 289
 290         for(Track *track = last; track && track != new_track; track = track->previous)
 291                 change_modules(number_of(track) - 1, number_of(track), 0);
 292
 293         new_track->create_objects();
 294         new_track->set_default_title();
 295         return new_track;
 296 }
 297
 298
 299 Track* Tracks::add_subttl_track(int above, Track *dst_track)
 300 {
 301         STrack* new_track = new STrack(edl, this);
 302         if(!dst_track)
 303                 dst_track = (above ? first : last);
 304
 305         if(above)
 306                 insert_before(dst_track, (Track*)new_track);
 307         else
 308                 insert_after(dst_track, (Track*)new_track);
 309
 310         for(Track *track = last; track && track != new_track; track = track->previous)
 311                 change_modules(number_of(track) - 1, number_of(track), 0);
 312
 313         new_track->create_objects();
 314         new_track->set_default_title();
 315 //      new_track->paste_silence(0,total_length(),0);
 316         return new_track;
 317 }
 318
 319
 320 int Tracks::delete_track(Track *track)
 321 {
 322         if (!track)
 323                 return 0;
 324
 325         int old_location = number_of(track);
 326         detach_shared_effects(old_location);
 327
 328 // Shift effects referencing effects below the deleted track
 329         for(Track *current = track;
 330                 current;
 331                 current = NEXT)
 332         {
 333                 change_modules(number_of(current), number_of(current) - 1, 0);
 334         }
 335         if(track) delete track;
 336
 337         return 0;
 338 }
 339
 340 int Tracks::detach_shared_effects(int module)
 341 {
 342         for(Track *current = first; current; current = NEXT)
 343         {
 344                 current->detach_shared_effects(module);
 345         }
 346
 347         return 0;
 348  }
 349
 350 int Tracks::total_of(int type)
 351 {
 352         int result = 0;
 353
 354         for(Track *current = first; current; current = NEXT)
 355         {
 356                 long unit_start = current->to_units(edl->local_session->get_selectionstart(1), 0);
 357                 Auto *mute_keyframe = 0;
 358                 current->automation->autos[AUTOMATION_MUTE]->
 359                         get_prev_auto(unit_start, PLAY_FORWARD, mute_keyframe);
 360                 IntAuto *mute_auto = (IntAuto *)mute_keyframe;
 361
 362                 result +=
 363                         (current->play && type == PLAY) ||
 364                         (current->record && type == RECORD) ||
 365                         (current->gang && type == GANG) ||
 366                         (current->draw && type == DRAW) ||
 367                         (mute_auto->value && type == MUTE) ||
 368                         (current->expand_view && type == EXPAND);
 369         }
 370         return result;
 371 }
 372
 373 int Tracks::recordable_audio_tracks()
 374 {
 375         int result = 0;
 376         for(Track *current = first; current; current = NEXT)
 377                 if(current->data_type == TRACK_AUDIO && current->record) result++;
 378         return result;
 379 }
 380
 381 int Tracks::recordable_video_tracks()
 382 {
 383         int result = 0;
 384         for(Track *current = first; current; current = NEXT)
 385         {
 386                 if(current->data_type == TRACK_VIDEO && current->record) result++;
 387         }
 388         return result;
 389 }
 390
 391
 392 int Tracks::playable_audio_tracks()
 393 {
 394         int result = 0;
 395
 396         for(Track *current = first; current; current = NEXT)
 397         {
 398                 if(current->data_type == TRACK_AUDIO && current->play)
 399                 {
 400                         result++;
 401                 }
 402         }
 403
 404         return result;
 405 }
 406
 407 int Tracks::playable_video_tracks()
 408 {
 409         int result = 0;
 410
 411         for(Track *current = first; current; current = NEXT)
 412         {
 413                 if(current->data_type == TRACK_VIDEO && current->play)
 414                 {
 415                         result++;
 416                 }
 417         }
 418         return result;
 419 }
 420
 421 int Tracks::total_audio_tracks()
 422 {
 423         int result = 0;
 424         for(Track *current = first; current; current = NEXT)
 425                 if(current->data_type == TRACK_AUDIO) result++;
 426         return result;
 427 }
 428
 429 int Tracks::total_video_tracks()
 430 {
 431         int result = 0;
 432         for(Track *current = first; current; current = NEXT)
 433                 if(current->data_type == TRACK_VIDEO) result++;
 434         return result;
 435 }
 436
 437 double Tracks::total_playable_length()
 438 {
 439         double total = 0;
 440         for(Track *current = first; current; current = NEXT)
 441         {
 442                 if( current->play )
 443                 {
 444                         double length = current->get_length();
 445                         if(length > total) total = length;
 446                 }
 447         }
 448         return total;
 449 }
 450
 451 double Tracks::total_recordable_length()
 452 {
 453         double total = -1;
 454         for(Track *current = first; current; current = NEXT)
 455         {
 456                 if(current->record)
 457                 {
 458                         double length = current->get_length();
 459                         if(length > total) total = length;
 460                 }
 461         }
 462         return total;
 463 }
 464
 465 double Tracks::total_length()
 466 {
 467         double total = 0;
 468         for(Track *current = first; current; current = NEXT)
 469         {
 470                 double length = current->get_length();
 471                 if(length > total) total = length;
 472         }
 473         return total;
 474 }
 475
 476 double Tracks::total_audio_length()
 477 {
 478         double total = 0;
 479         for(Track *current = first; current; current = NEXT)
 480         {
 481                 if(current->data_type == TRACK_AUDIO &&
 482                         current->get_length() > total) total = current->get_length();
 483         }
 484         return total;
 485 }
 486
 487 double Tracks::total_video_length()
 488 {
 489         double total = 0;
 490         for(Track *current = first; current; current = NEXT)
 491         {
 492                 if(current->data_type == TRACK_VIDEO &&
 493                         current->get_length() > total) total = current->get_length();
 494         }
 495         return total;
 496 }
 497
 498 double Tracks::total_length_framealigned(double fps)
 499 {
 500         if (total_audio_tracks() && total_video_tracks())
 501                 return MIN(floor(total_audio_length() * fps), floor(total_video_length() * fps)) / fps;
 502
 503         if (total_audio_tracks())
 504                 return floor(total_audio_length() * fps) / fps;
 505
 506         if (total_video_tracks())
 507                 return floor(total_video_length() * fps) / fps;
 508
 509         return 0;
 510 }
 511
 512 void Tracks::translate_projector(float offset_x, float offset_y)
 513 {
 514         for(Track *current = first; current; current = NEXT)
 515         {
 516                 if(current->data_type == TRACK_VIDEO)
 517                 {
 518                         ((VTrack*)current)->translate(offset_x, offset_y, 0);
 519                 }
 520         }
 521 }
 522
 523 void Tracks::update_y_pixels(Theme *theme)
 524 {
 525 //      int y = -edl->local_session->track_start;
 526         int y = 0;
 527         for(Track *current = first; current; current = NEXT)
 528         {
 529 //printf("Tracks::update_y_pixels %d\n", y);
 530                 current->y_pixel = y;
 531                 y += current->vertical_span(theme);
 532         }
 533 }
 534
 535 int Tracks::dump(FILE *fp)
 536 {
 537         for(Track* current = first; current; current = NEXT)
 538         {
 539                 fprintf(fp,"  Track: %p\n", current);
 540                 current->dump(fp);
 541                 fprintf(fp,"\n");
 542         }
 543         return 0;
 544 }
 545
 546 void Tracks::select_all(int type,
 547                 int value)
 548 {
 549         for(Track* current = first; current; current = NEXT)
 550         {
 551                 double position = edl->local_session->get_selectionstart(1);
 552
 553                 if(type == PLAY) current->play = value;
 554                 if(type == RECORD) current->record = value;
 555                 if(type == GANG) current->gang = value;
 556                 if(type == DRAW) current->draw = value;
 557
 558                 if(type == MUTE)
 559                 {
 560                         ((IntAuto*)current->automation->autos[AUTOMATION_MUTE]->get_auto_for_editing(position))->value = value;
 561                 }
 562
 563                 if(type == EXPAND) current->expand_view = value;
 564         }
 565 }
 566
 567 // ===================================== file operations
 568
 569 int Tracks::popup_transition(int cursor_x, int cursor_y)
 570 {
 571         int result = 0;
 572         for(Track* current = first; current && !result; current = NEXT)
 573         {
 574                 result = current->popup_transition(cursor_x, cursor_y);
 575         }
 576         return result;
 577 }
 578
 579
 580 int Tracks::change_channels(int oldchannels, int newchannels)
 581 {
 582         for(Track *current = first; current; current = NEXT)
 583         { current->change_channels(oldchannels, newchannels); }
 584         return 0;
 585 }
 586
 587
 588
 589 int Tracks::totalpixels()
 590 {
 591         int result = 0;
 592         for(Track* current = first; current; current = NEXT)
 593         {
 594                 result += edl->local_session->zoom_track;
 595         }
 596         return result;
 597 }
 598
 599 int Tracks::number_of(Track *track)
 600 {
 601         int i = 0;
 602         for(Track *current = first; current && current != track; current = NEXT)
 603         {
 604                 i++;
 605         }
 606         return i;
 607 }
 608
 609 Track* Tracks::number(int number)
 610 {
 611         Track *current;
 612         int i = 0;
 613         for(current = first; current && i < number; current = NEXT)
 614         {
 615                 i++;
 616         }
 617         return current;
 618 }
 619
 620
 621 int Tracks::total_playable_vtracks()
 622 {
 623         int result = 0;
 624         for(Track *current = first; current; current = NEXT)
 625         {
 626                 if(current->data_type == TRACK_VIDEO && current->play) result++;
 627         }
 628         return result;
 629 }
 630
 631 int Tracks::plugin_exists(Plugin *plugin)
 632 {
 633         for(Track *track = first; track; track = track->next)
 634         {
 635                 if(track->plugin_exists(plugin)) return 1;
 636         }
 637         return 0;
 638 }
 639
 640 int Tracks::track_exists(Track *track)
 641 {
 642         for(Track *current = first; current; current = NEXT)
 643         {
 644                 if(current == track) return 1;
 645         }
 646         return 0;
 647 }
 648
 649
 650 Track *Tracks::get(int idx, int data_type)
 651 {
 652         for(Track *current = first; current; current = NEXT)
 653         {
 654                 if( current->data_type != data_type ) continue;
 655                 if( --idx < 0 ) return current;
 656         }
 657         return 0;
 658 }
 659
 660