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         {
 206                 if(!strcmp(string, "VIDEO"))
 207                 {
 208                         add_video_track(0, 0);
 209                 }
 210                 else
 211                 if(!strcmp(string, "SUBTTL"))
 212                 {
 213                         add_subttl_track(0, 0);
 214                 }
 215                 else
 216                 {
 217                         add_audio_track(0, 0);    // default to audio
 218                 }
 219                 track = last;
 220         }
 221         else
 222         {
 223                 track = get_item_number(track_offset);
 224                 track_offset++;
 225         }
 226
 227 // load it
 228         if(track) track->load(xml, track_offset, load_flags);
 229
 230         return 0;
 231 }
 232
 233 Track* Tracks::add_audio_track(int above, Track *dst_track)
 234 {
 235         ATrack* new_track = new ATrack(edl, this);
 236         if(!dst_track)
 237         {
 238                 dst_track = (above ? first : last);
 239         }
 240
 241         if(above)
 242         {
 243                 insert_before(dst_track, (Track*)new_track);
 244         }
 245         else
 246         {
 247                 insert_after(dst_track, (Track*)new_track);
 248 // Shift effects referenced below the destination track
 249         }
 250
 251 // Shift effects referenced below the new track
 252         for(Track *track = last;
 253                 track && track != new_track;
 254                 track = track->previous)
 255         {
 256                 change_modules(number_of(track) - 1, number_of(track), 0);
 257         }
 258
 259
 260         new_track->create_objects();
 261         new_track->set_default_title();
 262
 263         int current_pan = 0;
 264         for(Track *current = first;
 265                 current != (Track*)new_track;
 266                 current = NEXT)
 267         {
 268                 if(current->data_type == TRACK_AUDIO) current_pan++;
 269                 if(current_pan >= edl->session->audio_channels) current_pan = 0;
 270         }
 271
 272
 273
 274         PanAuto* pan_auto =
 275                 (PanAuto*)new_track->automation->autos[AUTOMATION_PAN]->default_auto;
 276         pan_auto->values[current_pan] = 1.0;
 277
 278         BC_Pan::calculate_stick_position(edl->session->audio_channels,
 279                 edl->session->achannel_positions,
 280                 pan_auto->values,
 281                 MAX_PAN,
 282                 PAN_RADIUS,
 283                 pan_auto->handle_x,
 284                 pan_auto->handle_y);
 285         return new_track;
 286 }
 287
 288 Track* Tracks::add_video_track(int above, Track *dst_track)
 289 {
 290 const int debug = 0;
 291 if(debug) printf("Tracks::add_video_track %d\n", __LINE__);
 292         VTrack* new_track = new VTrack(edl, this);
 293 if(debug) printf("Tracks::add_video_track %d\n", __LINE__);
 294         if(!dst_track)
 295                 dst_track = (above ? first : last);
 296
 297 if(debug) printf("Tracks::add_video_track %d\n", __LINE__);
 298         if(above)
 299         {
 300                 insert_before(dst_track, (Track*)new_track);
 301         }
 302         else
 303         {
 304                 insert_after(dst_track, (Track*)new_track);
 305         }
 306 if(debug) printf("Tracks::add_video_track %d\n", __LINE__);
 307
 308
 309
 310 // Shift effects referenced below the new track
 311         for(Track *track = last;
 312                 track && track != new_track;
 313                 track = track->previous)
 314         {
 315                 change_modules(number_of(track) - 1, number_of(track), 0);
 316         }
 317
 318 if(debug) printf("Tracks::add_video_track %d\n", __LINE__);
 319
 320
 321         new_track->create_objects();
 322 if(debug) printf("Tracks::add_video_track %d\n", __LINE__);
 323         new_track->set_default_title();
 324 if(debug) printf("Tracks::add_video_track %d\n", __LINE__);
 325         return new_track;
 326 }
 327
 328
 329 Track* Tracks::add_subttl_track(int above, Track *dst_track)
 330 {
 331 const int debug = 0;
 332 if(debug) printf("Tracks::add_subttl_track %d\n", __LINE__);
 333         STrack* new_track = new STrack(edl, this);
 334 if(debug) printf("Tracks::add_subttl_track %d\n", __LINE__);
 335         if(!dst_track)
 336                 dst_track = (above ? first : last);
 337
 338 if(debug) printf("Tracks::add_subttl_track %d\n", __LINE__);
 339         if(above)
 340         {
 341                 insert_before(dst_track, (Track*)new_track);
 342         }
 343         else
 344         {
 345                 insert_after(dst_track, (Track*)new_track);
 346         }
 347 if(debug) printf("Tracks::add_subttl_track %d\n", __LINE__);
 348
 349
 350
 351 // Shift effects referenced below the new track
 352         for(Track *track = last;
 353                 track && track != new_track;
 354                 track = track->previous)
 355         {
 356                 change_modules(number_of(track) - 1, number_of(track), 0);
 357         }
 358
 359 if(debug) printf("Tracks::add_subttl_track %d\n", __LINE__);
 360
 361
 362         new_track->create_objects();
 363 if(debug) printf("Tracks::add_subttl_track %d\n", __LINE__);
 364         new_track->set_default_title();
 365 if(debug) printf("Tracks::add_subttl_track %d\n", __LINE__);
 366
 367 //      new_track->paste_silence(0,total_length(),0);
 368         return new_track;
 369 }
 370
 371
 372 int Tracks::delete_track(Track *track)
 373 {
 374         if (!track)
 375                 return 0;
 376
 377         int old_location = number_of(track);
 378         detach_shared_effects(old_location);
 379
 380 // Shift effects referencing effects below the deleted track
 381         for(Track *current = track;
 382                 current;
 383                 current = NEXT)
 384         {
 385                 change_modules(number_of(current), number_of(current) - 1, 0);
 386         }
 387         if(track) delete track;
 388
 389         return 0;
 390 }
 391
 392 int Tracks::detach_shared_effects(int module)
 393 {
 394         for(Track *current = first; current; current = NEXT)
 395         {
 396                 current->detach_shared_effects(module);
 397         }
 398
 399         return 0;
 400  }
 401
 402 int Tracks::total_of(int type)
 403 {
 404         int result = 0;
 405
 406         for(Track *current = first; current; current = NEXT)
 407         {
 408                 long unit_start = current->to_units(edl->local_session->get_selectionstart(1), 0);
 409                 Auto *mute_keyframe = current->automation->autos[AUTOMATION_MUTE]->
 410                         get_prev_auto(unit_start, PLAY_FORWARD, mute_keyframe);
 411                 IntAuto *mute_auto = (IntAuto *)mute_keyframe;
 412
 413                 result +=
 414                         (current->play && type == PLAY) ||
 415                         (current->record && type == RECORD) ||
 416                         (current->gang && type == GANG) ||
 417                         (current->draw && type == DRAW) ||
 418                         (mute_auto->value && type == MUTE) ||
 419                         (current->expand_view && type == EXPAND);
 420         }
 421         return result;
 422 }
 423
 424 int Tracks::recordable_audio_tracks()
 425 {
 426         int result = 0;
 427         for(Track *current = first; current; current = NEXT)
 428                 if(current->data_type == TRACK_AUDIO && current->record) result++;
 429         return result;
 430 }
 431
 432 int Tracks::recordable_video_tracks()
 433 {
 434         int result = 0;
 435         for(Track *current = first; current; current = NEXT)
 436         {
 437                 if(current->data_type == TRACK_VIDEO && current->record) result++;
 438         }
 439         return result;
 440 }
 441
 442
 443 int Tracks::playable_audio_tracks()
 444 {
 445         int result = 0;
 446
 447         for(Track *current = first; current; current = NEXT)
 448         {
 449                 if(current->data_type == TRACK_AUDIO && current->play)
 450                 {
 451                         result++;
 452                 }
 453         }
 454
 455         return result;
 456 }
 457
 458 int Tracks::playable_video_tracks()
 459 {
 460         int result = 0;
 461
 462         for(Track *current = first; current; current = NEXT)
 463         {
 464                 if(current->data_type == TRACK_VIDEO && current->play)
 465                 {
 466                         result++;
 467                 }
 468         }
 469         return result;
 470 }
 471
 472 int Tracks::total_audio_tracks()
 473 {
 474         int result = 0;
 475         for(Track *current = first; current; current = NEXT)
 476                 if(current->data_type == TRACK_AUDIO) result++;
 477         return result;
 478 }
 479
 480 int Tracks::total_video_tracks()
 481 {
 482         int result = 0;
 483         for(Track *current = first; current; current = NEXT)
 484                 if(current->data_type == TRACK_VIDEO) result++;
 485         return result;
 486 }
 487
 488 double Tracks::total_playable_length()
 489 {
 490         double total = 0;
 491         for(Track *current = first; current; current = NEXT)
 492         {
 493                 double length = current->get_length();
 494                 if(length > total) total = length;
 495         }
 496         return total;
 497 }
 498
 499 double Tracks::total_recordable_length()
 500 {
 501         double total = 0;
 502         for(Track *current = first; current; current = NEXT)
 503         {
 504                 if(current->record)
 505                 {
 506                         double length = current->get_length();
 507                         if(length > total) total = length;
 508                 }
 509         }
 510         return total;
 511 }
 512
 513 double Tracks::total_length()
 514 {
 515         double total = 0;
 516         for(Track *current = first; current; current = NEXT)
 517         {
 518                 if(current->get_length() > total) total = current->get_length();
 519         }
 520         return total;
 521 }
 522
 523 double Tracks::total_audio_length()
 524 {
 525         double total = 0;
 526         for(Track *current = first; current; current = NEXT)
 527         {
 528                 if(current->data_type == TRACK_AUDIO &&
 529                         current->get_length() > total) total = current->get_length();
 530         }
 531         return total;
 532 }
 533
 534 double Tracks::total_video_length()
 535 {
 536         double total = 0;
 537         for(Track *current = first; current; current = NEXT)
 538         {
 539                 if(current->data_type == TRACK_VIDEO &&
 540                         current->get_length() > total) total = current->get_length();
 541         }
 542         return total;
 543 }
 544
 545 double Tracks::total_length_framealigned(double fps)
 546 {
 547         if (total_audio_tracks() && total_video_tracks())
 548                 return MIN(floor(total_audio_length() * fps), floor(total_video_length() * fps)) / fps;
 549
 550         if (total_audio_tracks())
 551                 return floor(total_audio_length() * fps) / fps;
 552
 553         if (total_video_tracks())
 554                 return floor(total_video_length() * fps) / fps;
 555
 556         return 0;
 557 }
 558
 559 void Tracks::translate_projector(float offset_x, float offset_y)
 560 {
 561         for(Track *current = first; current; current = NEXT)
 562         {
 563                 if(current->data_type == TRACK_VIDEO)
 564                 {
 565                         ((VTrack*)current)->translate(offset_x, offset_y, 0);
 566                 }
 567         }
 568 }
 569
 570 void Tracks::update_y_pixels(Theme *theme)
 571 {
 572 //      int y = -edl->local_session->track_start;
 573         int y = 0;
 574         for(Track *current = first; current; current = NEXT)
 575         {
 576 //printf("Tracks::update_y_pixels %d\n", y);
 577                 current->y_pixel = y;
 578                 y += current->vertical_span(theme);
 579         }
 580 }
 581
 582 int Tracks::dump(FILE *fp)
 583 {
 584         for(Track* current = first; current; current = NEXT)
 585         {
 586                 fprintf(fp,"  Track: %p\n", current);
 587                 current->dump(fp);
 588                 fprintf(fp,"\n");
 589         }
 590         return 0;
 591 }
 592
 593 void Tracks::select_all(int type,
 594                 int value)
 595 {
 596         for(Track* current = first; current; current = NEXT)
 597         {
 598                 double position = edl->local_session->get_selectionstart(1);
 599
 600                 if(type == PLAY) current->play = value;
 601                 if(type == RECORD) current->record = value;
 602                 if(type == GANG) current->gang = value;
 603                 if(type == DRAW) current->draw = value;
 604
 605                 if(type == MUTE)
 606                 {
 607                         ((IntAuto*)current->automation->autos[AUTOMATION_MUTE]->get_auto_for_editing(position))->value = value;
 608                 }
 609
 610                 if(type == EXPAND) current->expand_view = value;
 611         }
 612 }
 613
 614 // ===================================== file operations
 615
 616 int Tracks::popup_transition(int cursor_x, int cursor_y)
 617 {
 618         int result = 0;
 619         for(Track* current = first; current && !result; current = NEXT)
 620         {
 621                 result = current->popup_transition(cursor_x, cursor_y);
 622         }
 623         return result;
 624 }
 625
 626
 627 int Tracks::change_channels(int oldchannels, int newchannels)
 628 {
 629         for(Track *current = first; current; current = NEXT)
 630         { current->change_channels(oldchannels, newchannels); }
 631         return 0;
 632 }
 633
 634
 635
 636 int Tracks::totalpixels()
 637 {
 638         int result = 0;
 639         for(Track* current = first; current; current = NEXT)
 640         {
 641                 result += edl->local_session->zoom_track;
 642         }
 643         return result;
 644 }
 645
 646 int Tracks::number_of(Track *track)
 647 {
 648         int i = 0;
 649         for(Track *current = first; current && current != track; current = NEXT)
 650         {
 651                 i++;
 652         }
 653         return i;
 654 }
 655
 656 Track* Tracks::number(int number)
 657 {
 658         Track *current;
 659         int i = 0;
 660         for(current = first; current && i < number; current = NEXT)
 661         {
 662                 i++;
 663         }
 664         return current;
 665 }
 666
 667
 668 int Tracks::total_playable_vtracks()
 669 {
 670         int result = 0;
 671         for(Track *current = first; current; current = NEXT)
 672         {
 673                 if(current->data_type == TRACK_VIDEO && current->play) result++;
 674         }
 675         return result;
 676 }
 677
 678 int Tracks::plugin_exists(Plugin *plugin)
 679 {
 680         for(Track *track = first; track; track = track->next)
 681         {
 682                 if(track->plugin_exists(plugin)) return 1;
 683         }
 684         return 0;
 685 }
 686
 687 int Tracks::track_exists(Track *track)
 688 {
 689         for(Track *current = first; current; current = NEXT)
 690         {
 691                 if(current == track) return 1;
 692         }
 693         return 0;
 694 }
 695
 696
 697 Track *Tracks::get(int idx, int data_type)
 698 {
 699         for(Track *current = first; current; current = NEXT)
 700         {
 701                 if( current->data_type != data_type ) continue;
 702                 if( --idx < 0 ) return current;
 703         }
 704         return 0;
 705 }
 706
 707