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         int64_t unit_position = track->to_units(position, 0);
 269
 270         for(Auto *current = first;
 271                 current;
 272                 current = NEXT)
 273         {
 274                 if(edl->equivalent(current->position, unit_position))
 275                 {
 276                         return current;
 277                 }
 278         }
 279         return 0;
 280 }
 281
 282
 283 Auto* Autos::get_auto_for_editing(double position)
 284 {
 285         if(position < 0) {
 286                 position = edl->local_session->get_selectionstart(1);
 287         }
 288
 289         Auto *result = 0;
 290         get_prev_auto(track->to_units(position, 0), PLAY_FORWARD, result);
 291         if( edl->session->auto_keyframes && (!result || result->is_default ||
 292               !EQUIV(track->from_units(result->position), position)) ) {
 293 //printf("Autos::get_auto_for_editing %p %p %p\n", default_auto, first, result);
 294                 position = edl->align_to_frame(position, 0);
 295                 result = insert_auto(track->to_units(position, 0));
 296         }
 297 //printf("Autos::get_auto_for_editing %p %p\n", first, default_auto);
 298
 299         return result;
 300 }
 301
 302
 303 Auto* Autos::get_next_auto(int64_t position, int direction, Auto* &current, int use_default)
 304 {
 305         if(direction == PLAY_FORWARD)
 306         {
 307                 if(current)
 308                 {
 309                         while(current && current->position > position) current = PREVIOUS;
 310                         while(current && current->position < position) current = NEXT;
 311                 }
 312
 313                 if(!current && last && last->position > position)
 314                 {
 315                         for(current = first;
 316                                 current && current->position <= position;
 317                                 current = NEXT)
 318                                 ;
 319                 }
 320
 321                 if(!current && use_default) current = (last ? last : default_auto);
 322         }
 323         else
 324         if(direction == PLAY_REVERSE)
 325         {
 326                 if(current)
 327                 {
 328                         while(current && current->position < position) current = NEXT;
 329                         while(current && current->position > position) current = PREVIOUS;
 330                 }
 331
 332                 if(!current && first && first->position <= position)
 333                 {
 334                         for(current = last;
 335                                 current && current->position > position;
 336                                 current = PREVIOUS)
 337                                 ;
 338                 }
 339
 340                 if(!current && use_default) current = (first ? first : default_auto);
 341         }
 342
 343         return current;
 344 }
 345 Auto* Autos::insert_auto(int64_t position, Auto *templ)
 346 {
 347         Auto *current, *result;
 348
 349 // Test for existence
 350         for(current = first;
 351                 current && !edl->equivalent(current->position, position);
 352                 current = NEXT)
 353         {
 354                 ;
 355         }
 356
 357 // Insert new
 358         if(!current)
 359         {
 360 // Get first one on or before as a template
 361                 for(current = last;
 362                         current && current->position > position;
 363                         current = PREVIOUS)
 364                 {
 365                         ;
 366                 }
 367
 368                 if(current)
 369                 {
 370                         insert_after(current, result = new_auto());
 371                 }
 372                 else
 373                 {
 374                         current = first;
 375                         if(!current) current = default_auto;
 376
 377                         insert_before(first, result = new_auto());
 378                 }
 379
 380 // interpolate if possible, else copy from template
 381                 result->interpolate_from(0, 0, position, templ);
 382 // Set curve mode
 383                 if( !templ && result->is_floatauto() ) {
 384                         FloatAuto *floatauto = (FloatAuto *)result;
 385                         floatauto->curve_mode =
 386                                 edl->local_session->playback_start >= 0 &&
 387                                 edl->local_session->playback_end < 0 ? FloatAuto::SMOOTH :
 388                                         (FloatAuto::t_mode) edl->local_session->floatauto_type;
 389                 }
 390         }
 391         else
 392         {
 393                 result = current;
 394         }
 395
 396         return result;
 397 }
 398
 399 int Autos::clear_all()
 400 {
 401         Auto *current_, *current;
 402
 403         for(current = first; current; current = current_)
 404         {
 405                 current_ = NEXT;
 406                 remove(current);
 407         }
 408         append_auto();
 409         return 0;
 410 }
 411
 412 int Autos::insert(int64_t start, int64_t end)
 413 {
 414         int64_t length;
 415         Auto *current = first;
 416
 417         for( ; current && current->position < start; current = NEXT)
 418                 ;
 419
 420         length = end - start;
 421
 422         for(; current; current = NEXT)
 423         {
 424                 current->position += length;
 425         }
 426         return 0;
 427 }
 428
 429 void Autos::paste(int64_t start,
 430         int64_t length,
 431         double scale,
 432         FileXML *file,
 433         int default_only,
 434         int active_only)
 435 {
 436         int total = 0;
 437         int result = 0;
 438
 439 //printf("Autos::paste %d start=%jd\n", __LINE__, start);
 440         do{
 441                 result = file->read_tag();
 442
 443                 if(!result && !file->tag.title_is("/AUTO"))
 444                 {
 445 // End of list
 446                         if(file->tag.get_title()[0] == '/')
 447                         {
 448                                 result = 1;
 449                         }
 450                         else
 451                         if(!strcmp(file->tag.get_title(), "AUTO"))
 452                         {
 453                                 Auto *current = 0;
 454
 455 // Paste first auto into default
 456                                 if(default_only && total == 0)
 457                                 {
 458                                         current = default_auto;
 459                                 }
 460                                 else
 461 // Paste default auto into default
 462                                 if(!default_only)
 463                                 {
 464                                         int64_t position = Units::to_int64(
 465                                                 (double)file->tag.get_property("POSITION", 0) *
 466                                                         scale +
 467                                                         start);
 468 // Paste active auto into track
 469                                         current = insert_auto(position);
 470                                 }
 471
 472                                 if(current)
 473                                 {
 474                                         current->load(file);
 475                                 }
 476                                 total++;
 477                         }
 478                 }
 479         } while( !result );
 480 }
 481
 482
 483 int Autos::paste_silence(int64_t start, int64_t end)
 484 {
 485         insert(start, end);
 486         return 0;
 487 }
 488
 489 int Autos::copy(int64_t start,
 490         int64_t end,
 491         FileXML *file,
 492         int default_only,
 493         int active_only)
 494 {
 495 // First auto always loaded with default
 496 //printf("Autos::copy %d %d %d\n", __LINE__, default_only, active_only);
 497         if(default_only || (!active_only && !default_only))
 498         {
 499                 default_auto->copy(0, 0, file, default_only);
 500         }
 501
 502 //printf("Autos::copy 10 %d %d %p\n", default_only, start, autoof(start));
 503         if(active_only || (!default_only && !active_only))
 504         {
 505                 for(Auto* current = autoof(start);
 506                         current && current->position <= end;
 507                         current = NEXT)
 508                 {
 509 // Want to copy single keyframes by putting the cursor on them
 510                         if(current->position >= start && current->position <= end)
 511                         {
 512                                 current->copy(start, end, file, default_only);
 513                         }
 514                 }
 515         }
 516 // Copy default auto again to make it the active auto on the clipboard
 517 //      else
 518 //      {
 519 // Need to force position to 0 for the case of plugins
 520 // and default status to 0.
 521 //              default_auto->copy(0, 0, file, default_only);
 522 //      }
 523 //printf("Autos::copy 20\n");
 524
 525         return 0;
 526 }
 527
 528 // Remove 3 consecutive autos with the same value
 529 // Remove autos which are out of order
 530 void Autos::optimize()
 531 {
 532         int done = 0;
 533
 534
 535 // Default auto should always be at 0
 536         default_auto->position = 0;
 537         while(!done)
 538         {
 539                 int consecutive = 0;
 540                 done = 1;
 541
 542
 543                 for(Auto *current = first; current; current = NEXT)
 544                 {
 545 // Get 3rd consecutive auto of equal value
 546                         if(current != first)
 547                         {
 548                                 if(*current == *PREVIOUS)
 549                                 {
 550                                         consecutive++;
 551                                         if(consecutive >= 3)
 552                                         {
 553                                                 delete PREVIOUS;
 554                                                 break;
 555                                         }
 556                                 }
 557                                 else
 558                                         consecutive = 0;
 559
 560                                 if(done && current->position <= PREVIOUS->position)
 561                                 {
 562                                         delete current;
 563                                         break;
 564                                 }
 565                         }
 566                 }
 567         }
 568 }
 569
 570
 571 void Autos::remove_nonsequential(Auto *keyframe)
 572 {
 573         if((keyframe->next && keyframe->next->position <= keyframe->position) ||
 574                 (keyframe->previous && keyframe->previous->position >= keyframe->position))
 575         {
 576                 delete keyframe;
 577         }
 578 }
 579
 580
 581 void Autos::set_automation_mode(int64_t start, int64_t end, int mode)
 582 {
 583 }
 584
 585 void Autos::clear(int64_t start,
 586         int64_t end,
 587         int shift_autos)
 588 {
 589         int64_t length;
 590         Auto *next, *current;
 591         length = end - start;
 592
 593
 594         current = autoof(start);
 595
 596 // If a range is selected don't delete the ending keyframe but do delete
 597 // the beginning keyframe because shifting end handle forward shouldn't
 598 // delete the first keyframe of the next edit.
 599
 600         while(current &&
 601                 ((end != start && current->position < end) ||
 602                 (end == start && current->position <= end)))
 603         {
 604                 next = NEXT;
 605                 remove(current);
 606                 current = next;
 607         }
 608
 609         while(current && shift_autos)
 610         {
 611                 current->position -= length;
 612                 current = NEXT;
 613         }
 614 }
 615
 616 int Autos::clear_auto(int64_t position)
 617 {
 618         Auto *current;
 619         current = autoof(position);
 620         return current->position==position ? (remove(current), 1) : 0;
 621 }
 622
 623
 624 int Autos::load(FileXML *file)
 625 {
 626         while(last)
 627                 remove(last);    // remove any existing autos
 628
 629         int result = 0, first_auto = 1;
 630         Auto *current;
 631
 632         do{
 633                 result = file->read_tag();
 634
 635                 if(!result && !file->tag.title_is("/AUTO"))
 636                 {
 637 // First tag with leading / is taken as end of autos
 638                         if(/* strstr(file->tag.get_title(), "AUTOS") && */
 639
 640                                 file->tag.get_title()[0] == '/')
 641                         {
 642                                 result = 1;
 643                         }
 644                         else
 645                         if(!strcmp(file->tag.get_title(), "AUTO"))
 646                         {
 647                                 if(first_auto)
 648                                 {
 649                                         default_auto->load(file);
 650                                         default_auto->position = 0;
 651                                         first_auto = 0;
 652                                 }
 653                                 else
 654                                 {
 655                                         current = append(new_auto());
 656                                         current->position = file->tag.get_property("POSITION", (int64_t)0);
 657                                         current->load(file);
 658                                 }
 659                         }
 660                 }
 661         } while( !result );
 662         return 0;
 663 }
 664
 665
 666
 667
 668
 669
 670 int Autos::slope_adjustment(int64_t ax, double slope)
 671 {
 672         return (int)(ax * slope);
 673 }
 674
 675
 676 int Autos::scale_time(float rate_scale, int scale_edits, int scale_autos, int64_t start, int64_t end)
 677 {
 678         Auto *current;
 679
 680         for(current = first; current && scale_autos; current = NEXT)
 681         {
 682 //              if(current->position >= start && current->position <= end)
 683 //              {
 684                         current->position = (int64_t)((current->position - start) * rate_scale + start + 0.5);
 685 //              }
 686         }
 687         return 0;
 688 }
 689
 690 Auto* Autos::autoof(int64_t position)
 691 {
 692         Auto *current;
 693
 694         for(current = first;
 695                 current && current->position < position;
 696                 current = NEXT)
 697         {
 698                 ;
 699         }
 700         return current;     // return 0 on failure
 701 }
 702
 703 Auto* Autos::nearest_before(int64_t position)
 704 {
 705         Auto *current;
 706
 707         for(current = last; current && current->position >= position; current = PREVIOUS)
 708         { ; }
 709
 710
 711         return current;     // return 0 on failure
 712 }
 713
 714 Auto* Autos::nearest_after(int64_t position)
 715 {
 716         Auto *current;
 717
 718         for(current = first; current && current->position <= position; current = NEXT)
 719         { ; }
 720
 721
 722         return current;     // return 0 on failure
 723 }
 724
 725 int Autos::get_neighbors(int64_t start, int64_t end, Auto **before, Auto **after)
 726 {
 727         if(*before == 0) *before = first;
 728         if(*after == 0) *after = last;
 729
 730         while(*before && (*before)->next && (*before)->next->position <= start)
 731                 *before = (*before)->next;
 732
 733         while(*after && (*after)->previous && (*after)->previous->position >= end)
 734                 *after = (*after)->previous;
 735
 736         while(*before && (*before)->position > start) *before = (*before)->previous;
 737
 738         while(*after && (*after)->position < end) *after = (*after)->next;
 739         return 0;
 740 }
 741
 742 int Autos::automation_is_constant(int64_t start, int64_t end)
 743 {
 744         return 0;
 745 }
 746
 747 double Autos::get_automation_constant(int64_t start, int64_t end)
 748 {
 749         return 0;
 750 }
 751
 752
 753 int Autos::init_automation(int64_t &buffer_position,
 754                                 int64_t &input_start,
 755                                 int64_t &input_end,
 756                                 int &automate,
 757                                 double &constant,
 758                                 int64_t input_position,
 759                                 int64_t buffer_len,
 760                                 Auto **before,
 761                                 Auto **after,
 762                                 int reverse)
 763 {
 764         buffer_position = 0;
 765
 766 // set start and end boundaries for automation info
 767         input_start = reverse ? input_position - buffer_len : input_position;
 768         input_end = reverse ? input_position : input_position + buffer_len;
 769
 770 // test automation for constant value
 771 // and set up *before and *after
 772         if(automate)
 773         {
 774                 if(automation_is_constant(input_start, input_end))
 775                 {
 776                         constant += get_automation_constant(input_start, input_end);
 777                         automate = 0;
 778                 }
 779         }
 780         return automate;
 781 }
 782
 783
 784 int Autos::init_slope(Auto **current_auto,
 785                                 double &slope_start,
 786                                 double &slope_value,
 787                                 double &slope_position,
 788                                 int64_t &input_start,
 789                                 int64_t &input_end,
 790                                 Auto **before,
 791                                 Auto **after,
 792                                 int reverse)
 793 {
 794 // apply automation
 795         *current_auto = reverse ? *after : *before;
 796 // no auto before start so use first auto in range
 797 // already know there is an auto since automation isn't constant
 798         if(!*current_auto)
 799         {
 800                 *current_auto = reverse ? last : first;
 801 //              slope_value = (*current_auto)->value;
 802                 slope_start = input_start;
 803                 slope_position = 0;
 804         }
 805         else
 806         {
 807 // otherwise get the first slope point and advance auto
 808 //              slope_value = (*current_auto)->value;
 809                 slope_start = (*current_auto)->position;
 810                 slope_position = reverse ? slope_start - input_end : input_start - slope_start;
 811                 (*current_auto) = reverse ? (*current_auto)->previous : (*current_auto)->next;
 812         }
 813         return 0;
 814 }
 815
 816
 817 int Autos::get_slope(Auto **current_auto,
 818                                 double &slope_start,
 819                                 double &slope_end,
 820                                 double &slope_value,
 821                                 double &slope,
 822                                 int64_t buffer_len,
 823                                 int64_t buffer_position,
 824                                 int reverse)
 825 {
 826 // get the slope
 827         if(*current_auto)
 828         {
 829                 slope_end = reverse ? slope_start - (*current_auto)->position : (*current_auto)->position - slope_start;
 830                 if(slope_end)
 831 //                      slope = ((*current_auto)->value - slope_value) / slope_end;
 832 //              else
 833                         slope = 0;
 834         }
 835         else
 836         {
 837                 slope = 0;
 838                 slope_end = buffer_len - buffer_position;
 839         }
 840         return 0;
 841 }
 842
 843 int Autos::advance_slope(Auto **current_auto,
 844                                 double &slope_start,
 845                                 double &slope_value,
 846                                 double &slope_position,
 847                                 int reverse)
 848 {
 849         if(*current_auto)
 850         {
 851                 slope_start = (*current_auto)->position;
 852 //              slope_value = (*current_auto)->value;
 853                 (*current_auto) = reverse ? (*current_auto)->previous : (*current_auto)->next;
 854                 slope_position = 0;
 855         }
 856         return 0;
 857 }
 858
 859 int64_t Autos::get_length()
 860 {
 861         if(last)
 862                 return last->position + 1;
 863         else
 864                 return 0;
 865 }
 866
 867 void Autos::get_extents(float *min,
 868         float *max,
 869         int *coords_undefined,
 870         int64_t unit_start,
 871         int64_t unit_end)
 872 {
 873
 874 }
 875
 876
 877 void Autos::dump(FILE *fp)
 878 {
 879 }
 880
 881
 882
 883
 884
 885
 886
 887
 888
 889