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