cinelerra-5.1/cinelerra/autos.C

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