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)
 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)
 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         {
 287                 position = edl->local_session->get_selectionstart(1);
 288         }
 289
 290         Auto *result = 0;
 291         position = edl->align_to_frame(position, 0);
 292
 293
 294
 295
 296 //printf("Autos::get_auto_for_editing %p %p\n", first, default_auto);
 297
 298         if(edl->session->auto_keyframes)
 299         {
 300                 result = insert_auto(track->to_units(position, 0));
 301         }
 302         else
 303                 result = get_prev_auto(track->to_units(position, 0),
 304                         PLAY_FORWARD,
 305                         result);
 306
 307 //printf("Autos::get_auto_for_editing %p %p %p\n", default_auto, first, result);
 308         return result;
 309 }
 310
 311
 312 Auto* Autos::get_next_auto(int64_t position, int direction, Auto* &current, int use_default)
 313 {
 314         if(direction == PLAY_FORWARD)
 315         {
 316                 if(current)
 317                 {
 318                         while(current && current->position > position) current = PREVIOUS;
 319                         while(current && current->position < position) current = NEXT;
 320                 }
 321
 322                 if(!current)
 323                 {
 324                         for(current = first;
 325                                 current && current->position <= position;
 326                                 current = NEXT)
 327                                 ;
 328                 }
 329
 330                 if(!current && use_default) current = (last ? last : default_auto);
 331         }
 332         else
 333         if(direction == PLAY_REVERSE)
 334         {
 335                 if(current)
 336                 {
 337                         while(current && current->position < position) current = NEXT;
 338                         while(current && current->position > position) current = PREVIOUS;
 339                 }
 340
 341                 if(!current)
 342                 {
 343                         for(current = last;
 344                                 current && current->position > position;
 345                                 current = PREVIOUS)
 346                                 ;
 347                 }
 348
 349                 if(!current && use_default) current = (first ? first : default_auto);
 350         }
 351
 352         return current;
 353 }
 354 Auto* Autos::insert_auto(int64_t position, Auto *templ)
 355 {
 356         Auto *current, *result;
 357
 358 // Test for existence
 359         for(current = first;
 360                 current && !edl->equivalent(current->position, position);
 361                 current = NEXT)
 362         {
 363                 ;
 364         }
 365
 366 // Insert new
 367         if(!current)
 368         {
 369 // Get first one on or before as a template
 370                 for(current = last;
 371                         current && current->position > position;
 372                         current = PREVIOUS)
 373                 {
 374                         ;
 375                 }
 376
 377                 if(current)
 378                 {
 379                         insert_after(current, result = new_auto());
 380                 }
 381                 else
 382                 {
 383                         current = first;
 384                         if(!current) current = default_auto;
 385
 386                         insert_before(first, result = new_auto());
 387                 }
 388
 389 // interpolate if possible, else copy from template
 390                 result->interpolate_from(0, 0, position, templ);
 391 // Set curve mode
 392                 if( !templ && result->is_floatauto() ) {
 393                         FloatAuto *floatauto = (FloatAuto *)result;
 394                         floatauto->curve_mode =
 395                                 edl->local_session->playback_start >= 0 &&
 396                                 edl->local_session->playback_end < 0 ? FloatAuto::SMOOTH :
 397                                         (FloatAuto::t_mode) edl->local_session->floatauto_type;
 398                 }
 399         }
 400         else
 401         {
 402                 result = current;
 403         }
 404
 405         return result;
 406 }
 407
 408 int Autos::clear_all()
 409 {
 410         Auto *current_, *current;
 411
 412         for(current = first; current; current = current_)
 413         {
 414                 current_ = NEXT;
 415                 remove(current);
 416         }
 417         append_auto();
 418         return 0;
 419 }
 420
 421 int Autos::insert(int64_t start, int64_t end)
 422 {
 423         int64_t length;
 424         Auto *current = first;
 425
 426         for( ; current && current->position < start; current = NEXT)
 427                 ;
 428
 429         length = end - start;
 430
 431         for(; current; current = NEXT)
 432         {
 433                 current->position += length;
 434         }
 435         return 0;
 436 }
 437
 438 void Autos::paste(int64_t start,
 439         int64_t length,
 440         double scale,
 441         FileXML *file,
 442         int default_only,
 443         int active_only)
 444 {
 445         int total = 0;
 446         int result = 0;
 447
 448 //printf("Autos::paste %d start=%jd\n", __LINE__, start);
 449         do{
 450                 result = file->read_tag();
 451
 452                 if(!result && !file->tag.title_is("/AUTO"))
 453                 {
 454 // End of list
 455                         if(file->tag.get_title()[0] == '/')
 456                         {
 457                                 result = 1;
 458                         }
 459                         else
 460                         if(!strcmp(file->tag.get_title(), "AUTO"))
 461                         {
 462                                 Auto *current = 0;
 463
 464 // Paste first auto into default
 465                                 if(default_only && total == 0)
 466                                 {
 467                                         current = default_auto;
 468                                 }
 469                                 else
 470 // Paste default auto into default
 471                                 if(!default_only)
 472                                 {
 473                                         int64_t position = Units::to_int64(
 474                                                 (double)file->tag.get_property("POSITION", 0) *
 475                                                         scale +
 476                                                         start);
 477 // Paste active auto into track
 478                                         current = insert_auto(position);
 479                                 }
 480
 481                                 if(current)
 482                                 {
 483                                         current->load(file);
 484                                 }
 485                                 total++;
 486                         }
 487                 }
 488         } while( !result );
 489 }
 490
 491
 492 int Autos::paste_silence(int64_t start, int64_t end)
 493 {
 494         insert(start, end);
 495         return 0;
 496 }
 497
 498 int Autos::copy(int64_t start,
 499         int64_t end,
 500         FileXML *file,
 501         int default_only,
 502         int active_only)
 503 {
 504 // First auto always loaded with default
 505 //printf("Autos::copy %d %d %d\n", __LINE__, default_only, active_only);
 506         if(default_only || (!active_only && !default_only))
 507         {
 508                 default_auto->copy(0, 0, file, default_only);
 509         }
 510
 511 //printf("Autos::copy 10 %d %d %p\n", default_only, start, autoof(start));
 512         if(active_only || (!default_only && !active_only))
 513         {
 514                 for(Auto* current = autoof(start);
 515                         current && current->position <= end;
 516                         current = NEXT)
 517                 {
 518 // Want to copy single keyframes by putting the cursor on them
 519                         if(current->position >= start && current->position <= end)
 520                         {
 521                                 current->copy(start, end, file, default_only);
 522                         }
 523                 }
 524         }
 525 // Copy default auto again to make it the active auto on the clipboard
 526 //      else
 527 //      {
 528 // Need to force position to 0 for the case of plugins
 529 // and default status to 0.
 530 //              default_auto->copy(0, 0, file, default_only);
 531 //      }
 532 //printf("Autos::copy 20\n");
 533
 534         return 0;
 535 }
 536
 537 // Remove 3 consecutive autos with the same value
 538 // Remove autos which are out of order
 539 void Autos::optimize()
 540 {
 541         int done = 0;
 542
 543
 544 // Default auto should always be at 0
 545         default_auto->position = 0;
 546         while(!done)
 547         {
 548                 int consecutive = 0;
 549                 done = 1;
 550
 551
 552                 for(Auto *current = first; current; current = NEXT)
 553                 {
 554 // Get 3rd consecutive auto of equal value
 555                         if(current != first)
 556                         {
 557                                 if(*current == *PREVIOUS)
 558                                 {
 559                                         consecutive++;
 560                                         if(consecutive >= 3)
 561                                         {
 562                                                 delete PREVIOUS;
 563                                                 break;
 564                                         }
 565                                 }
 566                                 else
 567                                         consecutive = 0;
 568
 569                                 if(done && current->position <= PREVIOUS->position)
 570                                 {
 571                                         delete current;
 572                                         break;
 573                                 }
 574                         }
 575                 }
 576         }
 577 }
 578
 579
 580 void Autos::remove_nonsequential(Auto *keyframe)
 581 {
 582         if((keyframe->next && keyframe->next->position <= keyframe->position) ||
 583                 (keyframe->previous && keyframe->previous->position >= keyframe->position))
 584         {
 585                 delete keyframe;
 586         }
 587 }
 588
 589
 590 void Autos::set_automation_mode(int64_t start, int64_t end, int mode)
 591 {
 592 }
 593
 594 void Autos::clear(int64_t start,
 595         int64_t end,
 596         int shift_autos)
 597 {
 598         int64_t length;
 599         Auto *next, *current;
 600         length = end - start;
 601
 602
 603         current = autoof(start);
 604
 605 // If a range is selected don't delete the ending keyframe but do delete
 606 // the beginning keyframe because shifting end handle forward shouldn't
 607 // delete the first keyframe of the next edit.
 608
 609         while(current &&
 610                 ((end != start && current->position < end) ||
 611                 (end == start && current->position <= end)))
 612         {
 613                 next = NEXT;
 614                 remove(current);
 615                 current = next;
 616         }
 617
 618         while(current && shift_autos)
 619         {
 620                 current->position -= length;
 621                 current = NEXT;
 622         }
 623 }
 624
 625 int Autos::clear_auto(int64_t position)
 626 {
 627         Auto *current;
 628         current = autoof(position);
 629         return current->position==position ? (remove(current), 1) : 0;
 630 }
 631
 632
 633 int Autos::load(FileXML *file)
 634 {
 635         while(last)
 636                 remove(last);    // remove any existing autos
 637
 638         int result = 0, first_auto = 1;
 639         Auto *current;
 640
 641         do{
 642                 result = file->read_tag();
 643
 644                 if(!result && !file->tag.title_is("/AUTO"))
 645                 {
 646 // First tag with leading / is taken as end of autos
 647                         if(/* strstr(file->tag.get_title(), "AUTOS") && */
 648
 649                                 file->tag.get_title()[0] == '/')
 650                         {
 651                                 result = 1;
 652                         }
 653                         else
 654                         if(!strcmp(file->tag.get_title(), "AUTO"))
 655                         {
 656                                 if(first_auto)
 657                                 {
 658                                         default_auto->load(file);
 659                                         default_auto->position = 0;
 660                                         first_auto = 0;
 661                                 }
 662                                 else
 663                                 {
 664                                         current = append(new_auto());
 665                                         current->position = file->tag.get_property("POSITION", (int64_t)0);
 666                                         current->load(file);
 667                                 }
 668                         }
 669                 }
 670         } while( !result );
 671         return 0;
 672 }
 673
 674
 675
 676
 677
 678
 679 int Autos::slope_adjustment(int64_t ax, double slope)
 680 {
 681         return (int)(ax * slope);
 682 }
 683
 684
 685 int Autos::scale_time(float rate_scale, int scale_edits, int scale_autos, int64_t start, int64_t end)
 686 {
 687         Auto *current;
 688
 689         for(current = first; current && scale_autos; current = NEXT)
 690         {
 691 //              if(current->position >= start && current->position <= end)
 692 //              {
 693                         current->position = (int64_t)((current->position - start) * rate_scale + start + 0.5);
 694 //              }
 695         }
 696         return 0;
 697 }
 698
 699 Auto* Autos::autoof(int64_t position)
 700 {
 701         Auto *current;
 702
 703         for(current = first;
 704                 current && current->position < position;
 705                 current = NEXT)
 706         {
 707                 ;
 708         }
 709         return current;     // return 0 on failure
 710 }
 711
 712 Auto* Autos::nearest_before(int64_t position)
 713 {
 714         Auto *current;
 715
 716         for(current = last; current && current->position >= position; current = PREVIOUS)
 717         { ; }
 718
 719
 720         return current;     // return 0 on failure
 721 }
 722
 723 Auto* Autos::nearest_after(int64_t position)
 724 {
 725         Auto *current;
 726
 727         for(current = first; current && current->position <= position; current = NEXT)
 728         { ; }
 729
 730
 731         return current;     // return 0 on failure
 732 }
 733
 734 int Autos::get_neighbors(int64_t start, int64_t end, Auto **before, Auto **after)
 735 {
 736         if(*before == 0) *before = first;
 737         if(*after == 0) *after = last;
 738
 739         while(*before && (*before)->next && (*before)->next->position <= start)
 740                 *before = (*before)->next;
 741
 742         while(*after && (*after)->previous && (*after)->previous->position >= end)
 743                 *after = (*after)->previous;
 744
 745         while(*before && (*before)->position > start) *before = (*before)->previous;
 746
 747         while(*after && (*after)->position < end) *after = (*after)->next;
 748         return 0;
 749 }
 750
 751 int Autos::automation_is_constant(int64_t start, int64_t end)
 752 {
 753         return 0;
 754 }
 755
 756 double Autos::get_automation_constant(int64_t start, int64_t end)
 757 {
 758         return 0;
 759 }
 760
 761
 762 int Autos::init_automation(int64_t &buffer_position,
 763                                 int64_t &input_start,
 764                                 int64_t &input_end,
 765                                 int &automate,
 766                                 double &constant,
 767                                 int64_t input_position,
 768                                 int64_t buffer_len,
 769                                 Auto **before,
 770                                 Auto **after,
 771                                 int reverse)
 772 {
 773         buffer_position = 0;
 774
 775 // set start and end boundaries for automation info
 776         input_start = reverse ? input_position - buffer_len : input_position;
 777         input_end = reverse ? input_position : input_position + buffer_len;
 778
 779 // test automation for constant value
 780 // and set up *before and *after
 781         if(automate)
 782         {
 783                 if(automation_is_constant(input_start, input_end))
 784                 {
 785                         constant += get_automation_constant(input_start, input_end);
 786                         automate = 0;
 787                 }
 788         }
 789         return automate;
 790 }
 791
 792
 793 int Autos::init_slope(Auto **current_auto,
 794                                 double &slope_start,
 795                                 double &slope_value,
 796                                 double &slope_position,
 797                                 int64_t &input_start,
 798                                 int64_t &input_end,
 799                                 Auto **before,
 800                                 Auto **after,
 801                                 int reverse)
 802 {
 803 // apply automation
 804         *current_auto = reverse ? *after : *before;
 805 // no auto before start so use first auto in range
 806 // already know there is an auto since automation isn't constant
 807         if(!*current_auto)
 808         {
 809                 *current_auto = reverse ? last : first;
 810 //              slope_value = (*current_auto)->value;
 811                 slope_start = input_start;
 812                 slope_position = 0;
 813         }
 814         else
 815         {
 816 // otherwise get the first slope point and advance auto
 817 //              slope_value = (*current_auto)->value;
 818                 slope_start = (*current_auto)->position;
 819                 slope_position = reverse ? slope_start - input_end : input_start - slope_start;
 820                 (*current_auto) = reverse ? (*current_auto)->previous : (*current_auto)->next;
 821         }
 822         return 0;
 823 }
 824
 825
 826 int Autos::get_slope(Auto **current_auto,
 827                                 double &slope_start,
 828                                 double &slope_end,
 829                                 double &slope_value,
 830                                 double &slope,
 831                                 int64_t buffer_len,
 832                                 int64_t buffer_position,
 833                                 int reverse)
 834 {
 835 // get the slope
 836         if(*current_auto)
 837         {
 838                 slope_end = reverse ? slope_start - (*current_auto)->position : (*current_auto)->position - slope_start;
 839                 if(slope_end)
 840 //                      slope = ((*current_auto)->value - slope_value) / slope_end;
 841 //              else
 842                         slope = 0;
 843         }
 844         else
 845         {
 846                 slope = 0;
 847                 slope_end = buffer_len - buffer_position;
 848         }
 849         return 0;
 850 }
 851
 852 int Autos::advance_slope(Auto **current_auto,
 853                                 double &slope_start,
 854                                 double &slope_value,
 855                                 double &slope_position,
 856                                 int reverse)
 857 {
 858         if(*current_auto)
 859         {
 860                 slope_start = (*current_auto)->position;
 861 //              slope_value = (*current_auto)->value;
 862                 (*current_auto) = reverse ? (*current_auto)->previous : (*current_auto)->next;
 863                 slope_position = 0;
 864         }
 865         return 0;
 866 }
 867
 868 int64_t Autos::get_length()
 869 {
 870         if(last)
 871                 return last->position + 1;
 872         else
 873                 return 0;
 874 }
 875
 876 void Autos::get_extents(float *min,
 877         float *max,
 878         int *coords_undefined,
 879         int64_t unit_start,
 880         int64_t unit_end)
 881 {
 882
 883 }
 884
 885
 886 void Autos::dump(FILE *fp)
 887 {
 888 }
 889
 890
 891
 892
 893
 894
 895
 896
 897
 898