cinelerra/autos.C

   1 #include "autos.h"
   2 #include "clip.h"
   3 #include "edl.h"
   4 #include "edlsession.h"
   5 #include "localsession.h"
   6 #include "filexml.h"
   7 #include "track.h"
   8 #include "transportque.inc"
   9
  10 #include <string.h>
  11
  12
  13 Autos::Autos(EDL *edl, Track *track)
  14  : List<Auto>()
  15 {
  16         this->edl = edl;
  17         this->track = track;
  18         type = -1;
  19         autoidx = -1;
  20         autogrouptype = -1;
  21 }
  22
  23
  24
  25 Autos::~Autos()
  26 {
  27         while(last) delete last;
  28         delete default_auto;
  29 }
  30
  31 void Autos::create_objects()
  32 {
  33 // Default
  34         default_auto = new_auto();
  35         default_auto->is_default = 1;
  36 }
  37
  38 int Autos::get_type()
  39 {
  40         return type;
  41 }
  42
  43 Auto* Autos::append_auto()
  44 {
  45         return append(new_auto());
  46 }
  47
  48
  49 Auto* Autos::new_auto()
  50 {
  51         return new Auto(edl, this);
  52 }
  53
  54 void Autos::resample(double old_rate, double new_rate)
  55 {
  56         for(Auto *current = first; current; current = NEXT)
  57         {
  58                 current->position = (int64_t)((double)current->position *
  59                         new_rate /
  60                         old_rate +
  61                         0.5);
  62         }
  63 }
  64
  65 void Autos::equivalent_output(Autos *autos, int64_t startproject, int64_t *result)
  66 {
  67 // Default keyframe differs
  68         if(!total() && !(*default_auto == *autos->default_auto))
  69         {
  70                 if(*result < 0 || *result > startproject) *result = startproject;
  71         }
  72         else
  73 // Search for difference
  74         {
  75                 for(Auto *current = first, *that_current = autos->first;
  76                         current || that_current;
  77                         current = NEXT,
  78                         that_current = that_current->next)
  79                 {
  80 // Total differs
  81                         if(current && !that_current)
  82                         {
  83                                 int64_t position1 = (autos->last ? autos->last->position : startproject);
  84                                 int64_t position2 = current->position;
  85                                 if(*result < 0 || *result > MIN(position1, position2))
  86                                         *result = MIN(position1, position2);
  87                                 break;
  88                         }
  89                         else
  90                         if(!current && that_current)
  91                         {
  92                                 int64_t position1 = (last ? last->position : startproject);
  93                                 int64_t position2 = that_current->position;
  94                                 if(*result < 0 || *result > MIN(position1, position2))
  95                                         *result = MIN(position1, position2);
  96                                 break;
  97                         }
  98                         else
  99 // Keyframes differ
 100                         if(!(*current == *that_current) ||
 101                                 current->position != that_current->position)
 102                         {
 103                                 int64_t position1 = (current->previous ?
 104                                         current->previous->position :
 105                                         startproject);
 106                                 int64_t position2 = (that_current->previous ?
 107                                         that_current->previous->position :
 108                                         startproject);
 109                                 if(*result < 0 || *result > MIN(position1, position2))
 110                                         *result = MIN(position1, position2);
 111                                 break;
 112                         }
 113                 }
 114         }
 115 }
 116
 117 void Autos::copy_from(Autos *autos)
 118 {
 119         Auto *current = autos->first, *this_current = first;
 120
 121         default_auto->copy_from(autos->default_auto);
 122
 123 // Detect common memory leak bug
 124         if(autos->first && !autos->last)
 125         {
 126                 printf("Autos::copy_from inconsistent pointers\n");
 127                 exit(1);
 128         }
 129
 130         for(current = autos->first; current; current = NEXT)
 131         {
 132 //printf("Autos::copy_from 1 %p\n", current);
 133 //sleep(1);
 134                 if(!this_current)
 135                 {
 136                         append(this_current = new_auto());
 137                 }
 138                 this_current->copy_from(current);
 139                 this_current = this_current->next;
 140         }
 141
 142         for( ; this_current; )
 143         {
 144                 Auto *next_current = this_current->next;
 145                 delete this_current;
 146                 this_current = next_current;
 147         }
 148 }
 149
 150
 151 // We don't replace it in pasting but
 152 // when inserting the first EDL of a load operation we need to replace
 153 // the default keyframe.
 154 void Autos::insert_track(Autos *automation,
 155         int64_t start_unit,
 156         int64_t length_units,
 157         int replace_default)
 158 {
 159 // Insert silence
 160         insert(start_unit, start_unit + length_units);
 161
 162         if(replace_default) default_auto->copy_from(automation->default_auto);
 163         for(Auto *current = automation->first; current; current = NEXT)
 164         {
 165                 Auto *new_auto = insert_auto(start_unit + current->position);
 166                 new_auto->copy_from(current);
 167 // Override copy_from
 168                 new_auto->position = current->position + start_unit;
 169         }
 170 }
 171
 172 Auto* Autos::get_prev_auto(int64_t position,
 173         int direction,
 174         Auto* &current,
 175         int use_default)
 176 {
 177 // Get on or before position
 178         if(direction == PLAY_FORWARD)
 179         {
 180 // Try existing result
 181                 if(current)
 182                 {
 183                         while(current && current->position < position) current = NEXT;
 184                         while(current && current->position > position) current = PREVIOUS;
 185                 }
 186
 187                 if(!current)
 188                 {
 189                         for(current = last;
 190                                 current && current->position > position;
 191                                 current = PREVIOUS) ;
 192                 }
 193                 if(!current && use_default) current = (first ? first : default_auto);
 194         }
 195         else
 196 // Get on or after position
 197         if(direction == PLAY_REVERSE)
 198         {
 199                 if(current)
 200                 {
 201                         while(current && current->position > position) current = PREVIOUS;
 202                         while(current && current->position < position) current = NEXT;
 203                 }
 204
 205                 if(!current)
 206                 {
 207                         for(current = first;
 208                                 current && current->position < position;
 209                                 current = NEXT) ;
 210                 }
 211
 212                 if(!current && use_default) current = (last ? last : default_auto);
 213         }
 214
 215         return current;
 216 }
 217
 218 Auto* Autos::get_prev_auto(int direction, Auto* &current)
 219 {
 220         double position_double = edl->local_session->get_selectionstart(1);
 221         position_double = edl->align_to_frame(position_double, 0);
 222         int64_t position = track->to_units(position_double, 0);
 223
 224         return get_prev_auto(position, direction, current);
 225
 226         return current;
 227 }
 228
 229 int Autos::auto_exists_for_editing(double position)
 230 {
 231         int result = 0;
 232
 233         if(edl->session->auto_keyframes)
 234         {
 235                 double unit_position = position;
 236                 unit_position = edl->align_to_frame(unit_position, 0);
 237                 if (get_auto_at_position(unit_position))
 238                         result = 1;
 239         }
 240         else
 241         {
 242                 result = 1;
 243         }
 244
 245         return result;
 246 }
 247
 248 Auto* Autos::get_auto_at_position(double position)
 249 {
 250         int64_t unit_position = track->to_units(position, 0);
 251
 252         for(Auto *current = first;
 253                 current;
 254                 current = NEXT)
 255         {
 256                 if(edl->equivalent(current->position, unit_position))
 257                 {
 258                         return current;
 259                 }
 260         }
 261         return 0;
 262 }
 263
 264
 265 Auto* Autos::get_auto_for_editing(double position)
 266 {
 267         if(position < 0)
 268         {
 269                 position = edl->local_session->get_selectionstart(1);
 270         }
 271
 272         Auto *result = 0;
 273         position = edl->align_to_frame(position, 0);
 274
 275
 276
 277
 278 //printf("Autos::get_auto_for_editing %p %p\n", first, default_auto);
 279
 280         if(edl->session->auto_keyframes)
 281         {
 282                 result = insert_auto_for_editing(track->to_units(position, 0));
 283         }
 284         else
 285                 result = get_prev_auto(track->to_units(position, 0),
 286                         PLAY_FORWARD,
 287                         result);
 288
 289 //printf("Autos::get_auto_for_editing %p %p %p\n", default_auto, first, result);
 290         return result;
 291 }
 292
 293
 294 Auto* Autos::get_next_auto(int64_t position, int direction, Auto* &current, int use_default)
 295 {
 296         if(direction == PLAY_FORWARD)
 297         {
 298                 if(current)
 299                 {
 300                         while(current && current->position > position) current = PREVIOUS;
 301                         while(current && current->position < position) current = NEXT;
 302                 }
 303
 304                 if(!current)
 305                 {
 306                         for(current = first;
 307                                 current && current->position <= position;
 308                                 current = NEXT)
 309                                 ;
 310                 }
 311
 312                 if(!current && use_default) current = (last ? last : default_auto);
 313         }
 314         else
 315         if(direction == PLAY_REVERSE)
 316         {
 317                 if(current)
 318                 {
 319                         while(current && current->position < position) current = NEXT;
 320                         while(current && current->position > position) current = PREVIOUS;
 321                 }
 322
 323                 if(!current)
 324                 {
 325                         for(current = last;
 326                                 current && current->position > position;
 327                                 current = PREVIOUS)
 328                                 ;
 329                 }
 330
 331                 if(!current && use_default) current = (first ? first : default_auto);
 332         }
 333
 334         return current;
 335 }
 336
 337 Auto* Autos::insert_auto(int64_t position)
 338 {
 339         Auto *current, *result;
 340
 341 // Test for existence
 342         for(current = first;
 343                 current && !edl->equivalent(current->position, position);
 344                 current = NEXT)
 345         {
 346                 ;
 347         }
 348
 349 // Insert new
 350         if(!current)
 351         {
 352 // Get first one on or before as a template
 353                 for(current = last;
 354                         current && current->position > position;
 355                         current = PREVIOUS)
 356                 {
 357                         ;
 358                 }
 359
 360                 if(current)
 361                 {
 362                         insert_after(current, result = new_auto());
 363                         result->copy_from(current);
 364                 }
 365                 else
 366                 {
 367                         current = first;
 368                         if(!current) current = default_auto;
 369
 370                         insert_before(first, result = new_auto());
 371                         if(current) result->copy_from(current);
 372                 }
 373
 374                 result->position = position;
 375         }
 376         else
 377         {
 378                 result = current;
 379         }
 380
 381         return result;
 382 }
 383
 384 Auto* Autos::insert_auto_for_editing(int64_t position)
 385 {
 386         Auto *current, *result;
 387
 388 // Test for existence
 389         for(current = first;
 390                 current && !edl->equivalent(current->position, position);
 391                 current = NEXT)
 392         {
 393                 ;
 394         }
 395
 396 //printf("Autos::insert_auto_for_editing %p\n", current);
 397 // Insert new
 398         if(!current)
 399         {
 400 // Get first one on or before as a template
 401                 for(current = last;
 402                         current && current->position > position;
 403                         current = PREVIOUS)
 404                 {
 405                         ;
 406                 }
 407
 408                 if(current)
 409                 {
 410                         Auto *next = NEXT;
 411                         insert_after(current, result = new_auto());
 412                         result->interpolate_from(current, next, position);
 413                 }
 414                 else
 415                 {
 416                         current = first;
 417                         if(!current) current = default_auto;
 418
 419                         insert_before(first, result = new_auto());
 420                         if(current) result->copy_from(current);
 421                 }
 422
 423                 result->position = position;
 424         }
 425         else
 426         {
 427                 result = current;
 428         }
 429
 430         return result;
 431 }
 432
 433 int Autos::clear_all()
 434 {
 435         Auto *current_, *current;
 436
 437         for(current = first; current; current = current_)
 438         {
 439                 current_ = NEXT;
 440                 remove(current);
 441         }
 442         append_auto();
 443         return 0;
 444 }
 445
 446 int Autos::insert(int64_t start, int64_t end)
 447 {
 448         int64_t length;
 449         Auto *current = first;
 450
 451         for( ; current && current->position < start; current = NEXT)
 452                 ;
 453
 454         length = end - start;
 455
 456         for(; current; current = NEXT)
 457         {
 458                 current->position += length;
 459         }
 460         return 0;
 461 }
 462
 463 void Autos::paste(int64_t start,
 464         int64_t length,
 465         double scale,
 466         FileXML *file,
 467         int default_only)
 468 {
 469         int total = 0;
 470         int result = 0;
 471
 472 //printf("Autos::paste %ld\n", start);
 473         do{
 474                 result = file->read_tag();
 475
 476                 if(!result && !file->tag.title_is("/AUTO"))
 477                 {
 478 // End of list
 479                         if(/* strstr(file->tag.get_title(), "AUTOS") && */
 480                                 file->tag.get_title()[0] == '/')
 481                         {
 482                                 result = 1;
 483                         }
 484                         else
 485                         if(!strcmp(file->tag.get_title(), "AUTO"))
 486                         {
 487                                 Auto *current = 0;
 488
 489 // Paste first active auto into default
 490                                 if(default_only)
 491                                 {
 492                                         if(total == 1)
 493                                         {
 494                                                 current = default_auto;
 495                                         }
 496                                 }
 497                                 else
 498 // Paste default auto into default
 499                                 if(total == 0)
 500                                         current = default_auto;
 501                                 else
 502                                 {
 503                                         int64_t position = Units::to_int64(
 504                                                 (double)file->tag.get_property("POSITION", 0) *
 505                                                         scale +
 506                                                         start);
 507 // Paste active auto into track
 508                                         current = insert_auto(position);
 509                                 }
 510
 511                                 if(current)
 512                                 {
 513                                         current->load(file);
 514                                 }
 515                                 total++;
 516                         }
 517                 }
 518         }while(!result);
 519
 520 }
 521
 522
 523 int Autos::paste_silence(int64_t start, int64_t end)
 524 {
 525         insert(start, end);
 526         return 0;
 527 }
 528
 529 int Autos::copy(int64_t start,
 530         int64_t end,
 531         FileXML *file,
 532         int default_only,
 533         int autos_only)
 534 {
 535 // First auto is always loaded into default even if it is discarded in a paste
 536 // operation
 537 //printf("Autos::copy 1 %d %d %p\n", default_only, start, autoof(start));
 538         if(!autos_only)
 539         {
 540                 default_auto->copy(0, 0, file, default_only);
 541         }
 542
 543 //printf("Autos::copy 10 %d %d %p\n", default_only, start, autoof(start));
 544         if(!default_only)
 545         {
 546                 for(Auto* current = autoof(start);
 547                         current && current->position <= end;
 548                         current = NEXT)
 549                 {
 550 // Want to copy single keyframes by putting the cursor on them
 551                         if(current->position >= start && current->position <= end)
 552                         {
 553                                 current->copy(start, end, file, default_only);
 554                         }
 555                 }
 556         }
 557 // Copy default auto again to make it the active auto on the clipboard
 558         else
 559         {
 560 // Need to force position to 0 for the case of plugins
 561 // and default status to 0.
 562                 default_auto->copy(0, 0, file, default_only);
 563         }
 564 //printf("Autos::copy 20\n");
 565
 566         return 0;
 567 }
 568
 569 // Remove 3 consecutive autos with the same value
 570 // Remove autos which are out of order
 571 void Autos::optimize()
 572 {
 573         int done = 0;
 574
 575
 576 // Default auto should always be at 0
 577         default_auto->position = 0;
 578         while(!done)
 579         {
 580                 int consecutive = 0;
 581                 done = 1;
 582
 583
 584                 for(Auto *current = first; current; current = NEXT)
 585                 {
 586 // Get 3rd consecutive auto of equal value
 587                         if(current != first)
 588                         {
 589                                 if(*current == *PREVIOUS)
 590                                 {
 591                                         consecutive++;
 592                                         if(consecutive >= 3)
 593                                         {
 594                                                 delete PREVIOUS;
 595                                                 break;
 596                                         }
 597                                 }
 598                                 else
 599                                         consecutive = 0;
 600
 601                                 if(done && current->position <= PREVIOUS->position)
 602                                 {
 603                                         delete current;
 604                                         break;
 605                                 }
 606                         }
 607                 }
 608         }
 609 }
 610
 611
 612 void Autos::remove_nonsequential(Auto *keyframe)
 613 {
 614         if((keyframe->next && keyframe->next->position <= keyframe->position) ||
 615                 (keyframe->previous && keyframe->previous->position >= keyframe->position))
 616         {
 617                 delete keyframe;
 618         }
 619 }
 620
 621
 622 void Autos::straighten(int64_t start, int64_t end)
 623 {
 624 }
 625
 626 void Autos::clear(int64_t start,
 627         int64_t end,
 628         int shift_autos)
 629 {
 630         int64_t length;
 631         Auto *next, *current;
 632         length = end - start;
 633
 634
 635         current = autoof(start);
 636
 637 // If a range is selected don't delete the ending keyframe but do delete
 638 // the beginning keyframe because shifting end handle forward shouldn't
 639 // delete the first keyframe of the next edit.
 640
 641         while(current &&
 642                 ((end != start && current->position < end) ||
 643                 (end == start && current->position <= end)))
 644         {
 645                 next = NEXT;
 646                 remove(current);
 647                 current = next;
 648         }
 649
 650         while(current && shift_autos)
 651         {
 652                 current->position -= length;
 653                 current = NEXT;
 654         }
 655 }
 656
 657 int Autos::clear_auto(int64_t position)
 658 {
 659         Auto *current;
 660         current = autoof(position);
 661         if(current->position == position) remove(current);
 662 }
 663
 664
 665 int Autos::load(FileXML *file)
 666 {
 667         while(last)
 668                 remove(last);    // remove any existing autos
 669
 670         int result = 0, first_auto = 1;
 671         Auto *current;
 672
 673         do{
 674                 result = file->read_tag();
 675
 676                 if(!result && !file->tag.title_is("/AUTO"))
 677                 {
 678 // First tag with leading / is taken as end of autos
 679                         if(/* strstr(file->tag.get_title(), "AUTOS") && */
 680
 681                                 file->tag.get_title()[0] == '/')
 682                         {
 683                                 result = 1;
 684                         }
 685                         else
 686                         if(!strcmp(file->tag.get_title(), "AUTO"))
 687                         {
 688                                 if(first_auto)
 689                                 {
 690                                         default_auto->load(file);
 691                                         default_auto->position = 0;
 692                                         first_auto = 0;
 693                                 }
 694                                 else
 695                                 {
 696                                         current = append(new_auto());
 697                                         current->position = file->tag.get_property("POSITION", (int64_t)0);
 698                                         current->load(file);
 699                                 }
 700                         }
 701                 }
 702         }while(!result);
 703         return 0;
 704 }
 705
 706
 707
 708
 709
 710
 711 int Autos::slope_adjustment(int64_t ax, double slope)
 712 {
 713         return (int)(ax * slope);
 714 }
 715
 716
 717 int Autos::scale_time(float rate_scale, int scale_edits, int scale_autos, int64_t start, int64_t end)
 718 {
 719         Auto *current;
 720
 721         for(current = first; current && scale_autos; current = NEXT)
 722         {
 723 //              if(current->position >= start && current->position <= end)
 724 //              {
 725                         current->position = (int64_t)((current->position - start) * rate_scale + start + 0.5);
 726 //              }
 727         }
 728         return 0;
 729 }
 730
 731 Auto* Autos::autoof(int64_t position)
 732 {
 733         Auto *current;
 734
 735         for(current = first;
 736                 current && current->position < position;
 737                 current = NEXT)
 738         {
 739                 ;
 740         }
 741         return current;     // return 0 on failure
 742 }
 743
 744 Auto* Autos::nearest_before(int64_t position)
 745 {
 746         Auto *current;
 747
 748         for(current = last; current && current->position >= position; current = PREVIOUS)
 749         { ; }
 750
 751
 752         return current;     // return 0 on failure
 753 }
 754
 755 Auto* Autos::nearest_after(int64_t position)
 756 {
 757         Auto *current;
 758
 759         for(current = first; current && current->position <= position; current = NEXT)
 760         { ; }
 761
 762
 763         return current;     // return 0 on failure
 764 }
 765
 766 int Autos::get_neighbors(int64_t start, int64_t end, Auto **before, Auto **after)
 767 {
 768         if(*before == 0) *before = first;
 769         if(*after == 0) *after = last;
 770
 771         while(*before && (*before)->next && (*before)->next->position <= start)
 772                 *before = (*before)->next;
 773
 774         while(*after && (*after)->previous && (*after)->previous->position >= end)
 775                 *after = (*after)->previous;
 776
 777         while(*before && (*before)->position > start) *before = (*before)->previous;
 778
 779         while(*after && (*after)->position < end) *after = (*after)->next;
 780         return 0;
 781 }
 782
 783 int Autos::automation_is_constant(int64_t start, int64_t end)
 784 {
 785         return 0;
 786 }
 787
 788 double Autos::get_automation_constant(int64_t start, int64_t end)
 789 {
 790         return 0;
 791 }
 792
 793
 794 int Autos::init_automation(int64_t &buffer_position,
 795                                 int64_t &input_start,
 796                                 int64_t &input_end,
 797                                 int &automate,
 798                                 double &constant,
 799                                 int64_t input_position,
 800                                 int64_t buffer_len,
 801                                 Auto **before,
 802                                 Auto **after,
 803                                 int reverse)
 804 {
 805         buffer_position = 0;
 806
 807 // set start and end boundaries for automation info
 808         input_start = reverse ? input_position - buffer_len : input_position;
 809         input_end = reverse ? input_position : input_position + buffer_len;
 810
 811 // test automation for constant value
 812 // and set up *before and *after
 813         if(automate)
 814         {
 815                 if(automation_is_constant(input_start, input_end))
 816                 {
 817                         constant += get_automation_constant(input_start, input_end);
 818                         automate = 0;
 819                 }
 820         }
 821         return automate;
 822 }
 823
 824
 825 int Autos::init_slope(Auto **current_auto,
 826                                 double &slope_start,
 827                                 double &slope_value,
 828                                 double &slope_position,
 829                                 int64_t &input_start,
 830                                 int64_t &input_end,
 831                                 Auto **before,
 832                                 Auto **after,
 833                                 int reverse)
 834 {
 835 // apply automation
 836         *current_auto = reverse ? *after : *before;
 837 // no auto before start so use first auto in range
 838 // already know there is an auto since automation isn't constant
 839         if(!*current_auto)
 840         {
 841                 *current_auto = reverse ? last : first;
 842 //              slope_value = (*current_auto)->value;
 843                 slope_start = input_start;
 844                 slope_position = 0;
 845         }
 846         else
 847         {
 848 // otherwise get the first slope point and advance auto
 849 //              slope_value = (*current_auto)->value;
 850                 slope_start = (*current_auto)->position;
 851                 slope_position = reverse ? slope_start - input_end : input_start - slope_start;
 852                 (*current_auto) = reverse ? (*current_auto)->previous : (*current_auto)->next;
 853         }
 854         return 0;
 855 }
 856
 857
 858 int Autos::get_slope(Auto **current_auto,
 859                                 double &slope_start,
 860                                 double &slope_end,
 861                                 double &slope_value,
 862                                 double &slope,
 863                                 int64_t buffer_len,
 864                                 int64_t buffer_position,
 865                                 int reverse)
 866 {
 867 // get the slope
 868         if(*current_auto)
 869         {
 870                 slope_end = reverse ? slope_start - (*current_auto)->position : (*current_auto)->position - slope_start;
 871                 if(slope_end)
 872 //                      slope = ((*current_auto)->value - slope_value) / slope_end;
 873 //              else
 874                         slope = 0;
 875         }
 876         else
 877         {
 878                 slope = 0;
 879                 slope_end = buffer_len - buffer_position;
 880         }
 881         return 0;
 882 }
 883
 884 int Autos::advance_slope(Auto **current_auto,
 885                                 double &slope_start,
 886                                 double &slope_value,
 887                                 double &slope_position,
 888                                 int reverse)
 889 {
 890         if(*current_auto)
 891         {
 892                 slope_start = (*current_auto)->position;
 893 //              slope_value = (*current_auto)->value;
 894                 (*current_auto) = reverse ? (*current_auto)->previous : (*current_auto)->next;
 895                 slope_position = 0;
 896         }
 897         return 0;
 898 }
 899
 900 int64_t Autos::get_length()
 901 {
 902         if(last)
 903                 return last->position + 1;
 904         else
 905                 return 0;
 906 }
 907
 908 void Autos::get_extents(float *min,
 909         float *max,
 910         int *coords_undefined,
 911         int64_t unit_start,
 912         int64_t unit_end)
 913 {
 914
 915 }
 916
 917
 918 void Autos::dump()
 919 {
 920 }
 921
 922
 923
 924
 925
 926
 927
 928
 929
 930
 931 /*
 932 //      Local Variables:
 933 //      mode: C++
 934 //      c-file-style: "linux"
 935 //      End:
 936 */