cinelerra-5.1/cinelerra/autos.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "autos.h"
  23 #include "clip.h"
  24 #include "edl.h"
  25 #include "edlsession.h"
  26 #include "floatauto.h"
  27 #include "localsession.h"
  28 #include "filexml.h"
  29 #include "track.h"
  30 #include "transportque.inc"
  31
  32
  33 Autos::Autos(EDL *edl, Track *track)
  34  : List<Auto>()
  35 {
  36         this->edl = edl;
  37         this->track = track;
  38         type = -1;
  39         autoidx = -1;
  40         autogrouptype = -1;
  41 }
  42
  43
  44
  45 Autos::~Autos()
  46 {
  47         while(last) delete last;
  48         delete default_auto;
  49 }
  50
  51 void Autos::create_objects()
  52 {
  53 // Default
  54         default_auto = new_auto();
  55         default_auto->is_default = 1;
  56 }
  57
  58 int Autos::get_type()
  59 {
  60         return type;
  61 }
  62
  63 Auto* Autos::append_auto()
  64 {
  65         return append(new_auto());
  66 }
  67
  68
  69 Auto* Autos::new_auto()
  70 {
  71         return new Auto(edl, this);
  72 }
  73
  74 void Autos::resample(double old_rate, double new_rate)
  75 {
  76         for(Auto *current = first; current; current = NEXT)
  77         {
  78                 current->position = (int64_t)((double)current->position *
  79                         new_rate /
  80                         old_rate +
  81                         0.5);
  82         }
  83 }
  84
  85 void Autos::equivalent_output(Autos *autos, int64_t startproject, int64_t *result)
  86 {
  87 // Default keyframe differs
  88         if(!total() && !(*default_auto == *autos->default_auto))
  89         {
  90                 if(*result < 0 || *result > startproject) *result = startproject;
  91         }
  92         else
  93 // Search for difference
  94         {
  95                 for(Auto *current = first, *that_current = autos->first;
  96                         current || that_current;
  97                         current = NEXT,
  98                         that_current = that_current->next)
  99                 {
 100 // Total differs
 101                         if(current && !that_current)
 102                         {
 103                                 int64_t position1 = (autos->last ? autos->last->position : startproject);
 104                                 int64_t position2 = current->position;
 105                                 if(*result < 0 || *result > MIN(position1, position2))
 106                                         *result = MIN(position1, position2);
 107                                 break;
 108                         }
 109                         else
 110                         if(!current && that_current)
 111                         {
 112                                 int64_t position1 = (last ? last->position : startproject);
 113                                 int64_t position2 = that_current->position;
 114                                 if(*result < 0 || *result > MIN(position1, position2))
 115                                         *result = MIN(position1, position2);
 116                                 break;
 117                         }
 118                         else
 119 // Keyframes differ
 120                         if(!(*current == *that_current) ||
 121                                 current->position != that_current->position)
 122                         {
 123                                 int64_t position1 = (current->previous ?
 124                                         current->previous->position :
 125                                         startproject);
 126                                 int64_t position2 = (that_current->previous ?
 127                                         that_current->previous->position :
 128                                         startproject);
 129                                 if(*result < 0 || *result > MIN(position1, position2))
 130                                         *result = MIN(position1, position2);
 131                                 break;
 132                         }
 133                 }
 134         }
 135 }
 136
 137 void Autos::copy_from(Autos *autos)
 138 {
 139         Auto *current = autos->first, *this_current = first;
 140
 141         default_auto->copy_from(autos->default_auto);
 142
 143 // Detect common memory leak bug
 144         if(autos->first && !autos->last)
 145         {
 146                 printf("Autos::copy_from inconsistent pointers\n");
 147                 exit(1);
 148         }
 149
 150         for(current = autos->first; current; current = NEXT)
 151         {
 152 //printf("Autos::copy_from 1 %p\n", current);
 153 //sleep(1);
 154                 if(!this_current)
 155                 {
 156                         append(this_current = new_auto());
 157                 }
 158                 this_current->copy_from(current);
 159                 this_current = this_current->next;
 160         }
 161
 162         for( ; this_current; )
 163         {
 164                 Auto *next_current = this_current->next;
 165                 delete this_current;
 166                 this_current = next_current;
 167         }
 168 }
 169
 170
 171 // We don't replace it in pasting but
 172 // when inserting the first EDL of a load operation we need to replace
 173 // the default keyframe.
 174 void Autos::insert_track(Autos *automation,
 175         int64_t start_unit,
 176         int64_t length_units,
 177         int replace_default)
 178 {
 179 // Insert silence
 180         insert(start_unit, start_unit + length_units);
 181
 182         if(replace_default) default_auto->copy_from(automation->default_auto);
 183         for(Auto *current = automation->first; current; current = NEXT)
 184         {
 185 // fill new auto with values from current (template), interpolate values if possible
 186                 Auto *new_auto = insert_auto(start_unit + current->position, current);
 187 // Override copy_from
 188                 new_auto->position = current->position + start_unit;
 189         }
 190 }
 191
 192 Auto* Autos::get_prev_auto(int64_t position,
 193         int direction,
 194         Auto* &current,
 195         int use_default)
 196 {
 197 // Get on or before position
 198         if(direction == PLAY_FORWARD)
 199         {
 200 // Try existing result
 201                 if(current)
 202                 {
 203                         while(current && current->position < position) current = NEXT;
 204                         while(current && current->position > position) current = PREVIOUS;
 205                 }
 206
 207                 if(!current && first && first->position <= position)
 208                 {
 209                         for(current = last;
 210                                 current && current->position > position;
 211                                 current = PREVIOUS) ;
 212                 }
 213                 if(!current && use_default) current = (first ? first : default_auto);
 214         }
 215         else
 216 // Get on or after position
 217         if(direction == PLAY_REVERSE)
 218         {
 219                 if(current)
 220                 {
 221                         while(current && current->position > position) current = PREVIOUS;
 222                         while(current && current->position < position) current = NEXT;
 223                 }
 224
 225                 if(!current && last && last->position >= position)
 226                 {
 227                         for(current = first;
 228                                 current && current->position < position;
 229                                 current = NEXT) ;
 230                 }
 231
 232                 if(!current && use_default) current = (last ? last : default_auto);
 233         }
 234
 235         return current;
 236 }
 237
 238 Auto* Autos::get_prev_auto(int direction, Auto* &current)
 239 {
 240         double position_double = edl->local_session->get_selectionstart(1);
 241         position_double = edl->align_to_frame(position_double, 0);
 242         int64_t position = track->to_units(position_double, 0);
 243
 244         return get_prev_auto(position, direction, current);
 245 }
 246
 247 int Autos::auto_exists_for_editing(double position)
 248 {
 249         int result = 0;
 250
 251         if(edl->session->auto_keyframes)
 252         {
 253                 double unit_position = position;
 254                 unit_position = edl->align_to_frame(unit_position, 0);
 255                 if (get_auto_at_position(unit_position))
 256                         result = 1;
 257         }
 258         else
 259         {
 260                 result = 1;
 261         }
 262
 263         return result;
 264 }
 265
 266 Auto* Autos::get_auto_at_position(double position)
 267 {
 268
 269         for( Auto *current=first; current; current=NEXT ) {
 270                 double pos = track->from_units(current->position);
 271                 if( edl->equivalent(position, pos) )
 272                         return current;
 273         }
 274         return 0;
 275 }
 276
 277 Auto* Autos::get_auto(int id)
 278 {
 279         Auto *current = first;
 280         while( current && current->orig_id != id ) current = NEXT;
 281         return current;
 282 }
 283
 284 Auto* Autos::get_auto_for_editing(double position, int create)
 285 {
 286         if(position < 0) {
 287                 position = edl->local_session->get_selectionstart(1);
 288         }
 289
 290         Auto *result = 0;
 291         get_prev_auto(track->to_units(position, 0), PLAY_FORWARD, result);
 292         if( create > 0 ) create = edl->session->auto_keyframes;
 293         if( create && (!result || result->is_default ||
 294             !EQUIV(track->from_units(result->position), position)) ) {
 295 //printf("Autos::get_auto_for_editing %p %p %p\n", default_auto, first, result);
 296                 position = edl->align_to_frame(position, 0);
 297                 result = insert_auto(track->to_units(position, 0));
 298         }
 299 //printf("Autos::get_auto_for_editing %p %p\n", first, default_auto);
 300
 301         return result;
 302 }
 303
 304
 305 Auto* Autos::get_next_auto(int64_t position, int direction, Auto* &current, int use_default)
 306 {
 307         if(direction == PLAY_FORWARD)
 308         {
 309                 if(current)
 310                 {
 311                         while(current && current->position > position) current = PREVIOUS;
 312                         while(current && current->position < position) current = NEXT;
 313                 }
 314
 315                 if(!current && last && last->position > position)
 316                 {
 317                         for(current = first;
 318                                 current && current->position <= position;
 319                                 current = NEXT)
 320                                 ;
 321                 }
 322
 323                 if(!current && use_default) current = (last ? last : default_auto);
 324         }
 325         else
 326         if(direction == PLAY_REVERSE)
 327         {
 328                 if(current)
 329                 {
 330                         while(current && current->position < position) current = NEXT;
 331                         while(current && current->position > position) current = PREVIOUS;
 332                 }
 333
 334                 if(!current && first && first->position <= position)
 335                 {
 336                         for(current = last;
 337                                 current && current->position > position;
 338                                 current = PREVIOUS)
 339                                 ;
 340                 }
 341
 342                 if(!current && use_default) current = (first ? first : default_auto);
 343         }
 344
 345         return current;
 346 }
 347 Auto* Autos::insert_auto(int64_t position, Auto *templ)
 348 {
 349         Auto *current, *result;
 350
 351 // Test for existence
 352         for(current = first;
 353                 current && !edl->equivalent(current->position, position);
 354                 current = NEXT)
 355         {
 356                 ;
 357         }
 358
 359 // Insert new
 360         if(!current)
 361         {
 362 // Get first one on or before as a template
 363                 for(current = last;
 364                         current && current->position > position;
 365                         current = PREVIOUS)
 366                 {
 367                         ;
 368                 }
 369
 370                 if(current)
 371                 {
 372                         insert_after(current, result = new_auto());
 373                 }
 374                 else
 375                 {
 376                         current = first;
 377                         if(!current) current = default_auto;
 378
 379                         insert_before(first, result = new_auto());
 380                 }
 381
 382 // interpolate if possible, else copy from template
 383                 result->interpolate_from(0, 0, position, templ);
 384 // Set curve mode
 385                 if( !templ && result->is_floatauto() ) {
 386                         FloatAuto *floatauto = (FloatAuto *)result;
 387                         FloatAuto::t_mode new_mode =
 388                                 edl->local_session->playback_start >= 0 &&
 389                                 edl->local_session->playback_end < 0 ? FloatAuto::SMOOTH :
 390                                         (FloatAuto::t_mode) edl->local_session->floatauto_type;
 391                         floatauto->change_curve_mode(new_mode, 0);
 392                 }
 393         }
 394         else
 395         {
 396                 result = current;
 397         }
 398
 399         return result;
 400 }
 401
 402 void Autos::clear_all()
 403 {
 404         while( last ) delete last;
 405         delete default_auto;
 406         create_objects();
 407 }
 408
 409 int Autos::insert(int64_t start, int64_t end)
 410 {
 411         int64_t length;
 412         Auto *current = first;
 413
 414         for( ; current && current->position < start; current = NEXT)
 415                 ;
 416
 417         length = end - start;
 418
 419         for(; current; current = NEXT)
 420         {
 421                 current->position += length;
 422         }
 423         return 0;
 424 }
 425
 426 void Autos::paste(int64_t start,
 427         int64_t length,
 428         double scale,
 429         FileXML *file,
 430         int default_only,
 431         int active_only)
 432 {
 433         int total = 0;
 434         int result = 0;
 435
 436 //printf("Autos::paste %d start=%jd\n", __LINE__, start);
 437         do{
 438                 result = file->read_tag();
 439
 440                 if(!result && !file->tag.title_is("/AUTO"))
 441                 {
 442 // End of list
 443                         if(file->tag.get_title()[0] == '/')
 444                         {
 445                                 result = 1;
 446                         }
 447                         else
 448                         if(!strcmp(file->tag.get_title(), "AUTO"))
 449                         {
 450                                 Auto *current = 0;
 451
 452 // Paste first auto into default
 453                                 if(default_only && total == 0)
 454                                 {
 455                                         current = default_auto;
 456                                 }
 457                                 else
 458 // Paste default auto into default
 459                                 if(!default_only)
 460                                 {
 461                                         int64_t position = Units::to_int64(
 462                                                 (double)file->tag.get_property("POSITION", 0) *
 463                                                         scale +
 464                                                         start);
 465 // Paste active auto into track
 466                                         current = insert_auto(position);
 467                                 }
 468
 469                                 if(current)
 470                                 {
 471                                         current->load(file);
 472                                 }
 473                                 total++;
 474                         }
 475                 }
 476         } while( !result );
 477 }
 478
 479
 480 int Autos::paste_silence(int64_t start, int64_t end)
 481 {
 482         insert(start, end);
 483         return 0;
 484 }
 485
 486 int Autos::copy(int64_t start,
 487         int64_t end,
 488         FileXML *file,
 489         int default_only,
 490         int active_only)
 491 {
 492 // First auto always loaded with default
 493 //printf("Autos::copy %d %d %d\n", __LINE__, default_only, active_only);
 494         if(default_only || (!active_only && !default_only))
 495         {
 496                 default_auto->copy(0, 0, file, default_only);
 497         }
 498
 499 //printf("Autos::copy 10 %d %d %p\n", default_only, start, autoof(start));
 500         if(active_only || (!default_only && !active_only))
 501         {
 502                 Auto *current = autoof(start);
 503
 504                 while( current && current->position <= end ) {
 505 // Want to copy single keyframes by putting the cursor on them
 506                         if( current->position >= start && current->position <= end ) {
 507                                 current->copy(start, end, file, default_only);
 508                         }
 509                         current = NEXT;
 510                 }
 511         }
 512 // Copy default auto again to make it the active auto on the clipboard
 513 //      else
 514 //      {
 515 // Need to force position to 0 for the case of plugins
 516 // and default status to 0.
 517 //              default_auto->copy(0, 0, file, default_only);
 518 //      }
 519 //printf("Autos::copy 20\n");
 520
 521         return 0;
 522 }
 523
 524 // Remove 3 consecutive autos with the same value
 525 // Remove autos which are out of order
 526 void Autos::optimize()
 527 {
 528         int done = 0;
 529
 530
 531 // Default auto should always be at 0
 532         default_auto->position = 0;
 533         while(!done)
 534         {
 535                 int consecutive = 0;
 536                 done = 1;
 537
 538
 539                 for(Auto *current = first; current; current = NEXT)
 540                 {
 541 // Get 3rd consecutive auto of equal value
 542                         if(current != first)
 543                         {
 544                                 if(*current == *PREVIOUS)
 545                                 {
 546                                         consecutive++;
 547                                         if(consecutive >= 3)
 548                                         {
 549                                                 delete PREVIOUS;
 550                                                 break;
 551                                         }
 552                                 }
 553                                 else
 554                                         consecutive = 0;
 555
 556                                 if(done && current->position <= PREVIOUS->position)
 557                                 {
 558                                         delete current;
 559                                         break;
 560                                 }
 561                         }
 562                 }
 563         }
 564 }
 565
 566
 567 void Autos::remove_nonsequential(Auto *keyframe)
 568 {
 569         if((keyframe->next && keyframe->next->position <= keyframe->position) ||
 570                 (keyframe->previous && keyframe->previous->position >= keyframe->position))
 571         {
 572                 delete keyframe;
 573         }
 574 }
 575
 576
 577 void Autos::set_automation_mode(int64_t start, int64_t end, int mode)
 578 {
 579 }
 580
 581 void Autos::clear(int64_t start,
 582         int64_t end,
 583         int shift_autos)
 584 {
 585         int64_t length;
 586         Auto *next, *current;
 587         length = end - start;
 588
 589
 590         current = autoof(start);
 591
 592 // If a range is selected don't delete the ending keyframe but do delete
 593 // the beginning keyframe because shifting end handle forward shouldn't
 594 // delete the first keyframe of the next edit.
 595
 596         while(current &&
 597                 ((end != start && current->position < end) ||
 598                 (end == start && current->position <= end)))
 599         {
 600                 next = NEXT;
 601                 remove(current);
 602                 current = next;
 603         }
 604
 605         while(current && shift_autos)
 606         {
 607                 current->position -= length;
 608                 current = NEXT;
 609         }
 610 }
 611
 612 int Autos::clear_auto(int64_t position)
 613 {
 614         Auto *current;
 615         current = autoof(position);
 616         return current->position==position ? (remove(current), 1) : 0;
 617 }
 618
 619
 620 int Autos::load(FileXML *file)
 621 {
 622         while(last)
 623                 remove(last);    // remove any existing autos
 624
 625         int result = 0, first_auto = 1;
 626         Auto *current;
 627
 628         do{
 629                 result = file->read_tag();
 630
 631                 if(!result && !file->tag.title_is("/AUTO"))
 632                 {
 633 // First tag with leading / is taken as end of autos
 634                         if(/* strstr(file->tag.get_title(), "AUTOS") && */
 635
 636                                 file->tag.get_title()[0] == '/')
 637                         {
 638                                 result = 1;
 639                         }
 640                         else
 641                         if(!strcmp(file->tag.get_title(), "AUTO"))
 642                         {
 643                                 if(first_auto)
 644                                 {
 645                                         default_auto->load(file);
 646                                         default_auto->position = 0;
 647                                         first_auto = 0;
 648                                 }
 649                                 else
 650                                 {
 651                                         current = append(new_auto());
 652                                         current->position = file->tag.get_property("POSITION", (int64_t)0);
 653                                         current->load(file);
 654                                 }
 655                         }
 656                 }
 657         } while( !result );
 658         return 0;
 659 }
 660
 661
 662
 663
 664
 665
 666 int Autos::slope_adjustment(int64_t ax, double slope)
 667 {
 668         return (int)(ax * slope);
 669 }
 670
 671
 672 int Autos::scale_time(float rate_scale, int scale_edits, int scale_autos, int64_t start, int64_t end)
 673 {
 674         Auto *current;
 675
 676         for(current = first; current && scale_autos; current = NEXT)
 677         {
 678 //              if(current->position >= start && current->position <= end)
 679 //              {
 680                         current->position = (int64_t)((current->position - start) * rate_scale + start + 0.5);
 681 //              }
 682         }
 683         return 0;
 684 }
 685
 686 Auto* Autos::autoof(int64_t position)
 687 {
 688         Auto *current;
 689
 690         for(current = first;
 691                 current && current->position < position;
 692                 current = NEXT)
 693         {
 694                 ;
 695         }
 696         return current;     // return 0 on failure
 697 }
 698
 699 Auto* Autos::nearest_before(int64_t position)
 700 {
 701         Auto *current;
 702         for(current = last; current && current->position >= position; current = PREVIOUS);
 703         return current;     // return 0 on failure
 704 }
 705
 706 Auto* Autos::nearest_after(int64_t position)
 707 {
 708         Auto *current;
 709         for(current = first; current && current->position <= position; current = NEXT);
 710         return current;     // return 0 on failure
 711 }
 712
 713 int Autos::get_neighbors(int64_t start, int64_t end, Auto **before, Auto **after)
 714 {
 715         if(*before == 0) *before = first;
 716         if(*after == 0) *after = last;
 717
 718         while(*before && (*before)->next && (*before)->next->position <= start)
 719                 *before = (*before)->next;
 720
 721         while(*after && (*after)->previous && (*after)->previous->position >= end)
 722                 *after = (*after)->previous;
 723
 724         while(*before && (*before)->position > start) *before = (*before)->previous;
 725
 726         while(*after && (*after)->position < end) *after = (*after)->next;
 727         return 0;
 728 }
 729
 730 int Autos::automation_is_constant(int64_t start, int64_t end)
 731 {
 732         return 0;
 733 }
 734
 735 double Autos::get_automation_constant(int64_t start, int64_t end)
 736 {
 737         return 0;
 738 }
 739
 740
 741 int Autos::init_automation(int64_t &buffer_position,
 742                                 int64_t &input_start,
 743                                 int64_t &input_end,
 744                                 int &automate,
 745                                 double &constant,
 746                                 int64_t input_position,
 747                                 int64_t buffer_len,
 748                                 Auto **before,
 749                                 Auto **after,
 750                                 int reverse)
 751 {
 752         buffer_position = 0;
 753
 754 // set start and end boundaries for automation info
 755         input_start = reverse ? input_position - buffer_len : input_position;
 756         input_end = reverse ? input_position : input_position + buffer_len;
 757
 758 // test automation for constant value
 759 // and set up *before and *after
 760         if(automate)
 761         {
 762                 if(automation_is_constant(input_start, input_end))
 763                 {
 764                         constant += get_automation_constant(input_start, input_end);
 765                         automate = 0;
 766                 }
 767         }
 768         return automate;
 769 }
 770
 771
 772 int Autos::init_slope(Auto **current_auto,
 773                                 double &slope_start,
 774                                 double &slope_value,
 775                                 double &slope_position,
 776                                 int64_t &input_start,
 777                                 int64_t &input_end,
 778                                 Auto **before,
 779                                 Auto **after,
 780                                 int reverse)
 781 {
 782 // apply automation
 783         *current_auto = reverse ? *after : *before;
 784 // no auto before start so use first auto in range
 785 // already know there is an auto since automation isn't constant
 786         if(!*current_auto)
 787         {
 788                 *current_auto = reverse ? last : first;
 789 //              slope_value = (*current_auto)->value;
 790                 slope_start = input_start;
 791                 slope_position = 0;
 792         }
 793         else
 794         {
 795 // otherwise get the first slope point and advance auto
 796 //              slope_value = (*current_auto)->value;
 797                 slope_start = (*current_auto)->position;
 798                 slope_position = reverse ? slope_start - input_end : input_start - slope_start;
 799                 (*current_auto) = reverse ? (*current_auto)->previous : (*current_auto)->next;
 800         }
 801         return 0;
 802 }
 803
 804
 805 int Autos::get_slope(Auto **current_auto,
 806                                 double &slope_start,
 807                                 double &slope_end,
 808                                 double &slope_value,
 809                                 double &slope,
 810                                 int64_t buffer_len,
 811                                 int64_t buffer_position,
 812                                 int reverse)
 813 {
 814 // get the slope
 815         if(*current_auto)
 816         {
 817                 slope_end = reverse ? slope_start - (*current_auto)->position : (*current_auto)->position - slope_start;
 818                 if(slope_end)
 819 //                      slope = ((*current_auto)->value - slope_value) / slope_end;
 820 //              else
 821                         slope = 0;
 822         }
 823         else
 824         {
 825                 slope = 0;
 826                 slope_end = buffer_len - buffer_position;
 827         }
 828         return 0;
 829 }
 830
 831 int Autos::advance_slope(Auto **current_auto,
 832                                 double &slope_start,
 833                                 double &slope_value,
 834                                 double &slope_position,
 835                                 int reverse)
 836 {
 837         if(*current_auto)
 838         {
 839                 slope_start = (*current_auto)->position;
 840 //              slope_value = (*current_auto)->value;
 841                 (*current_auto) = reverse ? (*current_auto)->previous : (*current_auto)->next;
 842                 slope_position = 0;
 843         }
 844         return 0;
 845 }
 846
 847 int64_t Autos::get_length()
 848 {
 849         if(last)
 850                 return last->position + 1;
 851         else
 852                 return 0;
 853 }
 854
 855 void Autos::get_extents(float *min,
 856         float *max,
 857         int *coords_undefined,
 858         int64_t unit_start,
 859         int64_t unit_end)
 860 {
 861
 862 }
 863
 864
 865 void Autos::dump(FILE *fp)
 866 {
 867 }
 868
 869
 870
 871
 872
 873
 874
 875
 876
 877