cinelerra/autos.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "autos.h"
  23 #include "clip.h"
  24 #include "edl.h"
  25 #include "edlsession.h"
  26 #include "floatauto.h"
  27 #include "localsession.h"
  28 #include "filexml.h"
  29 #include "track.h"
  30 #include "transportque.inc"
  31
  32
  33 Autos::Autos(EDL *edl, Track *track)
  34  : List<Auto>()
  35 {
  36         this->edl = edl;
  37         this->track = track;
  38         type = -1;
  39         autoidx = -1;
  40         autogrouptype = -1;
  41 }
  42
  43
  44
  45 Autos::~Autos()
  46 {
  47         while(last) delete last;
  48         delete default_auto;
  49 }
  50
  51 void Autos::create_objects()
  52 {
  53 // Default
  54         default_auto = new_auto();
  55         default_auto->is_default = 1;
  56 }
  57
  58 int Autos::get_type()
  59 {
  60         return type;
  61 }
  62
  63 Auto* Autos::append_auto()
  64 {
  65         return append(new_auto());
  66 }
  67
  68
  69 Auto* Autos::new_auto()
  70 {
  71         return new Auto(edl, this);
  72 }
  73
  74 void Autos::resample(double old_rate, double new_rate)
  75 {
  76         for(Auto *current = first; current; current = NEXT)
  77         {
  78                 current->position = (int64_t)((double)current->position *
  79                         new_rate /
  80                         old_rate +
  81                         0.5);
  82         }
  83 }
  84
  85 void Autos::equivalent_output(Autos *autos, int64_t startproject, int64_t *result)
  86 {
  87 // Default keyframe differs
  88         if(!total() && !(*default_auto == *autos->default_auto))
  89         {
  90                 if(*result < 0 || *result > startproject) *result = startproject;
  91         }
  92         else
  93 // Search for difference
  94         {
  95                 for(Auto *current = first, *that_current = autos->first;
  96                         current || that_current;
  97                         current = NEXT,
  98                         that_current = that_current->next)
  99                 {
 100 // Total differs
 101                         if(current && !that_current)
 102                         {
 103                                 int64_t position1 = (autos->last ? autos->last->position : startproject);
 104                                 int64_t position2 = current->position;
 105                                 if(*result < 0 || *result > MIN(position1, position2))
 106                                         *result = MIN(position1, position2);
 107                                 break;
 108                         }
 109                         else
 110                         if(!current && that_current)
 111                         {
 112                                 int64_t position1 = (last ? last->position : startproject);
 113                                 int64_t position2 = that_current->position;
 114                                 if(*result < 0 || *result > MIN(position1, position2))
 115                                         *result = MIN(position1, position2);
 116                                 break;
 117                         }
 118                         else
 119 // Keyframes differ
 120                         if(!(*current == *that_current) ||
 121                                 current->position != that_current->position)
 122                         {
 123                                 int64_t position1 = (current->previous ?
 124                                         current->previous->position :
 125                                         startproject);
 126                                 int64_t position2 = (that_current->previous ?
 127                                         that_current->previous->position :
 128                                         startproject);
 129                                 if(*result < 0 || *result > MIN(position1, position2))
 130                                         *result = MIN(position1, position2);
 131                                 break;
 132                         }
 133                 }
 134         }
 135 }
 136
 137 void Autos::copy_from(Autos *autos)
 138 {
 139         Auto *current = autos->first, *this_current = first;
 140
 141         default_auto->copy_from(autos->default_auto);
 142
 143 // Detect common memory leak bug
 144         if(autos->first && !autos->last)
 145         {
 146                 printf("Autos::copy_from inconsistent pointers\n");
 147                 exit(1);
 148         }
 149
 150         for(current = autos->first; current; current = NEXT)
 151         {
 152 //printf("Autos::copy_from 1 %p\n", current);
 153 //sleep(1);
 154                 if(!this_current)
 155                 {
 156                         append(this_current = new_auto());
 157                 }
 158                 this_current->copy_from(current);
 159                 this_current = this_current->next;
 160         }
 161
 162         for( ; this_current; )
 163         {
 164                 Auto *next_current = this_current->next;
 165                 delete this_current;
 166                 this_current = next_current;
 167         }
 168 }
 169
 170
 171 // We don't replace it in pasting but
 172 // when inserting the first EDL of a load operation we need to replace
 173 // the default keyframe.
 174 void Autos::insert_track(Autos *automation,
 175         int64_t start_unit,
 176         int64_t length_units,
 177         int replace_default)
 178 {
 179 // Insert silence
 180         insert(start_unit, start_unit + length_units);
 181
 182         if(replace_default) default_auto->copy_from(automation->default_auto);
 183         for(Auto *current = automation->first; current; current = NEXT)
 184         {
 185 // fill new auto with values from current (template), interpolate values if possible
 186                 Auto *new_auto = insert_auto(start_unit + current->position, current);
 187 // Override copy_from
 188                 new_auto->position = current->position + start_unit;
 189         }
 190 }
 191
 192 Auto* Autos::get_prev_auto(int64_t position,
 193         int direction,
 194         Auto* &current,
 195         int use_default)
 196 {
 197 // Get on or before position
 198         if(direction == PLAY_FORWARD)
 199         {
 200 // Try existing result
 201                 if(current)
 202                 {
 203                         while(current && current->position < position) current = NEXT;
 204                         while(current && current->position > position) current = PREVIOUS;
 205                 }
 206
 207                 if(!current && first && first->position <= position)
 208                 {
 209                         for(current = last;
 210                                 current && current->position > position;
 211                                 current = PREVIOUS) ;
 212                 }
 213                 if(!current && use_default) current = (first ? first : default_auto);
 214         }
 215         else
 216 // Get on or after position
 217         if(direction == PLAY_REVERSE)
 218         {
 219                 if(current)
 220                 {
 221                         while(current && current->position > position) current = PREVIOUS;
 222                         while(current && current->position < position) current = NEXT;
 223                 }
 224
 225                 if(!current && last && last->position >= position)
 226                 {
 227                         for(current = first;
 228                                 current && current->position < position;
 229                                 current = NEXT) ;
 230                 }
 231
 232                 if(!current && use_default) current = (last ? last : default_auto);
 233         }
 234
 235         return current;
 236 }
 237
 238 Auto* Autos::get_prev_auto(int direction, Auto* &current)
 239 {
 240         double position_double = edl->local_session->get_selectionstart(1);
 241         position_double = edl->align_to_frame(position_double, 0);
 242         int64_t position = track->to_units(position_double, 0);
 243
 244         return get_prev_auto(position, direction, current);
 245 }
 246
 247 int Autos::auto_exists_for_editing(double position)
 248 {
 249         int result = 0;
 250
 251         if(edl->session->auto_keyframes)
 252         {
 253                 double unit_position = position;
 254                 unit_position = edl->align_to_frame(unit_position, 0);
 255                 if (get_auto_at_position(unit_position))
 256                         result = 1;
 257         }
 258         else
 259         {
 260                 result = 1;
 261         }
 262
 263         return result;
 264 }
 265
 266 Auto* Autos::get_auto_at_position(double position)
 267 {
 268         int64_t unit_position = track->to_units(position, 0);
 269
 270         for(Auto *current = first;
 271                 current;
 272                 current = NEXT)
 273         {
 274                 if(edl->equivalent(current->position, unit_position))
 275                 {
 276                         return current;
 277                 }
 278         }
 279         return 0;
 280 }
 281
 282
 283 Auto* Autos::get_auto_for_editing(double position)
 284 {
 285         if(position < 0) {
 286                 position = edl->local_session->get_selectionstart(1);
 287         }
 288
 289         Auto *result = 0;
 290         get_prev_auto(track->to_units(position, 0), PLAY_FORWARD, result);
 291         if( edl->session->auto_keyframes && (!result || result->is_default ||
 292               !EQUIV(track->from_units(result->position), position)) ) {
 293 //printf("Autos::get_auto_for_editing %p %p %p\n", default_auto, first, result);
 294                 position = edl->align_to_frame(position, 0);
 295                 result = insert_auto(track->to_units(position, 0));
 296         }
 297 //printf("Autos::get_auto_for_editing %p %p\n", first, default_auto);
 298
 299         return result;
 300 }
 301
 302
 303 Auto* Autos::get_next_auto(int64_t position, int direction, Auto* &current, int use_default)
 304 {
 305         if(direction == PLAY_FORWARD)
 306         {
 307                 if(current)
 308                 {
 309                         while(current && current->position > position) current = PREVIOUS;
 310                         while(current && current->position < position) current = NEXT;
 311                 }
 312
 313                 if(!current && last && last->position > position)
 314                 {
 315                         for(current = first;
 316                                 current && current->position <= position;
 317                                 current = NEXT)
 318                                 ;
 319                 }
 320
 321                 if(!current && use_default) current = (last ? last : default_auto);
 322         }
 323         else
 324         if(direction == PLAY_REVERSE)
 325         {
 326                 if(current)
 327                 {
 328                         while(current && current->position < position) current = NEXT;
 329                         while(current && current->position > position) current = PREVIOUS;
 330                 }
 331
 332                 if(!current && first && first->position <= position)
 333                 {
 334                         for(current = last;
 335                                 current && current->position > position;
 336                                 current = PREVIOUS)
 337                                 ;
 338                 }
 339
 340                 if(!current && use_default) current = (first ? first : default_auto);
 341         }
 342
 343         return current;
 344 }
 345 Auto* Autos::insert_auto(int64_t position, Auto *templ)
 346 {
 347         Auto *current, *result;
 348
 349 // Test for existence
 350         for(current = first;
 351                 current && !edl->equivalent(current->position, position);
 352                 current = NEXT)
 353         {
 354                 ;
 355         }
 356
 357 // Insert new
 358         if(!current)
 359         {
 360 // Get first one on or before as a template
 361                 for(current = last;
 362                         current && current->position > position;
 363                         current = PREVIOUS)
 364                 {
 365                         ;
 366                 }
 367
 368                 if(current)
 369                 {
 370                         insert_after(current, result = new_auto());
 371                 }
 372                 else
 373                 {
 374                         current = first;
 375                         if(!current) current = default_auto;
 376
 377                         insert_before(first, result = new_auto());
 378                 }
 379
 380 // interpolate if possible, else copy from template
 381                 result->interpolate_from(0, 0, position, templ);
 382 // Set curve mode
 383                 if( !templ && result->is_floatauto() ) {
 384                         FloatAuto *floatauto = (FloatAuto *)result;
 385                         floatauto->curve_mode =
 386                                 edl->local_session->playback_start >= 0 &&
 387                                 edl->local_session->playback_end < 0 ? FloatAuto::SMOOTH :
 388                                         (FloatAuto::t_mode) edl->local_session->floatauto_type;
 389                 }
 390         }
 391         else
 392         {
 393                 result = current;
 394         }
 395
 396         return result;
 397 }
 398
 399 int Autos::clear_all()
 400 {
 401         Auto *current_, *current;
 402
 403         for(current = first; current; current = current_)
 404         {
 405                 current_ = NEXT;
 406                 remove(current);
 407         }
 408         append_auto();
 409         return 0;
 410 }
 411
 412 int Autos::insert(int64_t start, int64_t end)
 413 {
 414         int64_t length;
 415         Auto *current = first;
 416
 417         for( ; current && current->position < start; current = NEXT)
 418                 ;
 419
 420         length = end - start;
 421
 422         for(; current; current = NEXT)
 423         {
 424                 current->position += length;
 425         }
 426         return 0;
 427 }
 428
 429 void Autos::paste(int64_t start,
 430         int64_t length,
 431         double scale,
 432         FileXML *file,
 433         int default_only,
 434         int active_only)
 435 {
 436         int total = 0;
 437         int result = 0;
 438
 439 //printf("Autos::paste %d start=%jd\n", __LINE__, start);
 440         do{
 441                 result = file->read_tag();
 442
 443                 if(!result && !file->tag.title_is("/AUTO"))
 444                 {
 445 // End of list
 446                         if(file->tag.get_title()[0] == '/')
 447                         {
 448                                 result = 1;
 449                         }
 450                         else
 451                         if(!strcmp(file->tag.get_title(), "AUTO"))
 452                         {
 453                                 Auto *current = 0;
 454
 455 // Paste first auto into default
 456                                 if(default_only && total == 0)
 457                                 {
 458                                         current = default_auto;
 459                                 }
 460                                 else
 461 // Paste default auto into default
 462                                 if(!default_only)
 463                                 {
 464                                         int64_t position = Units::to_int64(
 465                                                 (double)file->tag.get_property("POSITION", 0) *
 466                                                         scale +
 467                                                         start);
 468 // Paste active auto into track
 469                                         current = insert_auto(position);
 470                                 }
 471
 472                                 if(current)
 473                                 {
 474                                         current->load(file);
 475                                 }
 476                                 total++;
 477                         }
 478                 }
 479         } while( !result );
 480 }
 481
 482
 483 int Autos::paste_silence(int64_t start, int64_t end)
 484 {
 485         insert(start, end);
 486         return 0;
 487 }
 488
 489 int Autos::copy(int64_t start,
 490         int64_t end,
 491         FileXML *file,
 492         int default_only,
 493         int active_only)
 494 {
 495 // First auto always loaded with default
 496 //printf("Autos::copy %d %d %d\n", __LINE__, default_only, active_only);
 497         if(default_only || (!active_only && !default_only))
 498         {
 499                 default_auto->copy(0, 0, file, default_only);
 500         }
 501
 502 //printf("Autos::copy 10 %d %d %p\n", default_only, start, autoof(start));
 503         if(active_only || (!default_only && !active_only))
 504         {
 505                 Auto *current = autoof(start);
 506
 507                 while( current && current->position <= end ) {
 508 // Want to copy single keyframes by putting the cursor on them
 509                         if( current->position >= start && current->position <= end ) {
 510                                 current->copy(start, end, file, default_only);
 511                         }
 512                         current = NEXT;
 513                 }
 514         }
 515 // Copy default auto again to make it the active auto on the clipboard
 516 //      else
 517 //      {
 518 // Need to force position to 0 for the case of plugins
 519 // and default status to 0.
 520 //              default_auto->copy(0, 0, file, default_only);
 521 //      }
 522 //printf("Autos::copy 20\n");
 523
 524         return 0;
 525 }
 526
 527 // Remove 3 consecutive autos with the same value
 528 // Remove autos which are out of order
 529 void Autos::optimize()
 530 {
 531         int done = 0;
 532
 533
 534 // Default auto should always be at 0
 535         default_auto->position = 0;
 536         while(!done)
 537         {
 538                 int consecutive = 0;
 539                 done = 1;
 540
 541
 542                 for(Auto *current = first; current; current = NEXT)
 543                 {
 544 // Get 3rd consecutive auto of equal value
 545                         if(current != first)
 546                         {
 547                                 if(*current == *PREVIOUS)
 548                                 {
 549                                         consecutive++;
 550                                         if(consecutive >= 3)
 551                                         {
 552                                                 delete PREVIOUS;
 553                                                 break;
 554                                         }
 555                                 }
 556                                 else
 557                                         consecutive = 0;
 558
 559                                 if(done && current->position <= PREVIOUS->position)
 560                                 {
 561                                         delete current;
 562                                         break;
 563                                 }
 564                         }
 565                 }
 566         }
 567 }
 568
 569
 570 void Autos::remove_nonsequential(Auto *keyframe)
 571 {
 572         if((keyframe->next && keyframe->next->position <= keyframe->position) ||
 573                 (keyframe->previous && keyframe->previous->position >= keyframe->position))
 574         {
 575                 delete keyframe;
 576         }
 577 }
 578
 579
 580 void Autos::set_automation_mode(int64_t start, int64_t end, int mode)
 581 {
 582 }
 583
 584 void Autos::clear(int64_t start,
 585         int64_t end,
 586         int shift_autos)
 587 {
 588         int64_t length;
 589         Auto *next, *current;
 590         length = end - start;
 591
 592
 593         current = autoof(start);
 594
 595 // If a range is selected don't delete the ending keyframe but do delete
 596 // the beginning keyframe because shifting end handle forward shouldn't
 597 // delete the first keyframe of the next edit.
 598
 599         while(current &&
 600                 ((end != start && current->position < end) ||
 601                 (end == start && current->position <= end)))
 602         {
 603                 next = NEXT;
 604                 remove(current);
 605                 current = next;
 606         }
 607
 608         while(current && shift_autos)
 609         {
 610                 current->position -= length;
 611                 current = NEXT;
 612         }
 613 }
 614
 615 int Autos::clear_auto(int64_t position)
 616 {
 617         Auto *current;
 618         current = autoof(position);
 619         return current->position==position ? (remove(current), 1) : 0;
 620 }
 621
 622
 623 int Autos::load(FileXML *file)
 624 {
 625         while(last)
 626                 remove(last);    // remove any existing autos
 627
 628         int result = 0, first_auto = 1;
 629         Auto *current;
 630
 631         do{
 632                 result = file->read_tag();
 633
 634                 if(!result && !file->tag.title_is("/AUTO"))
 635                 {
 636 // First tag with leading / is taken as end of autos
 637                         if(/* strstr(file->tag.get_title(), "AUTOS") && */
 638
 639                                 file->tag.get_title()[0] == '/')
 640                         {
 641                                 result = 1;
 642                         }
 643                         else
 644                         if(!strcmp(file->tag.get_title(), "AUTO"))
 645                         {
 646                                 if(first_auto)
 647                                 {
 648                                         default_auto->load(file);
 649                                         default_auto->position = 0;
 650                                         first_auto = 0;
 651                                 }
 652                                 else
 653                                 {
 654                                         current = append(new_auto());
 655                                         current->position = file->tag.get_property("POSITION", (int64_t)0);
 656                                         current->load(file);
 657                                 }
 658                         }
 659                 }
 660         } while( !result );
 661         return 0;
 662 }
 663
 664
 665
 666
 667
 668
 669 int Autos::slope_adjustment(int64_t ax, double slope)
 670 {
 671         return (int)(ax * slope);
 672 }
 673
 674
 675 int Autos::scale_time(float rate_scale, int scale_edits, int scale_autos, int64_t start, int64_t end)
 676 {
 677         Auto *current;
 678
 679         for(current = first; current && scale_autos; current = NEXT)
 680         {
 681 //              if(current->position >= start && current->position <= end)
 682 //              {
 683                         current->position = (int64_t)((current->position - start) * rate_scale + start + 0.5);
 684 //              }
 685         }
 686         return 0;
 687 }
 688
 689 Auto* Autos::autoof(int64_t position)
 690 {
 691         Auto *current;
 692
 693         for(current = first;
 694                 current && current->position < position;
 695                 current = NEXT)
 696         {
 697                 ;
 698         }
 699         return current;     // return 0 on failure
 700 }
 701
 702 Auto* Autos::nearest_before(int64_t position)
 703 {
 704         Auto *current;
 705         for(current = last; current && current->position >= position; current = PREVIOUS);
 706         return current;     // return 0 on failure
 707 }
 708
 709 Auto* Autos::nearest_after(int64_t position)
 710 {
 711         Auto *current;
 712         for(current = first; current && current->position <= position; current = NEXT);
 713         return current;     // return 0 on failure
 714 }
 715
 716 int Autos::get_neighbors(int64_t start, int64_t end, Auto **before, Auto **after)
 717 {
 718         if(*before == 0) *before = first;
 719         if(*after == 0) *after = last;
 720
 721         while(*before && (*before)->next && (*before)->next->position <= start)
 722                 *before = (*before)->next;
 723
 724         while(*after && (*after)->previous && (*after)->previous->position >= end)
 725                 *after = (*after)->previous;
 726
 727         while(*before && (*before)->position > start) *before = (*before)->previous;
 728
 729         while(*after && (*after)->position < end) *after = (*after)->next;
 730         return 0;
 731 }
 732
 733 int Autos::automation_is_constant(int64_t start, int64_t end)
 734 {
 735         return 0;
 736 }
 737
 738 double Autos::get_automation_constant(int64_t start, int64_t end)
 739 {
 740         return 0;
 741 }
 742
 743
 744 int Autos::init_automation(int64_t &buffer_position,
 745                                 int64_t &input_start,
 746                                 int64_t &input_end,
 747                                 int &automate,
 748                                 double &constant,
 749                                 int64_t input_position,
 750                                 int64_t buffer_len,
 751                                 Auto **before,
 752                                 Auto **after,
 753                                 int reverse)
 754 {
 755         buffer_position = 0;
 756
 757 // set start and end boundaries for automation info
 758         input_start = reverse ? input_position - buffer_len : input_position;
 759         input_end = reverse ? input_position : input_position + buffer_len;
 760
 761 // test automation for constant value
 762 // and set up *before and *after
 763         if(automate)
 764         {
 765                 if(automation_is_constant(input_start, input_end))
 766                 {
 767                         constant += get_automation_constant(input_start, input_end);
 768                         automate = 0;
 769                 }
 770         }
 771         return automate;
 772 }
 773
 774
 775 int Autos::init_slope(Auto **current_auto,
 776                                 double &slope_start,
 777                                 double &slope_value,
 778                                 double &slope_position,
 779                                 int64_t &input_start,
 780                                 int64_t &input_end,
 781                                 Auto **before,
 782                                 Auto **after,
 783                                 int reverse)
 784 {
 785 // apply automation
 786         *current_auto = reverse ? *after : *before;
 787 // no auto before start so use first auto in range
 788 // already know there is an auto since automation isn't constant
 789         if(!*current_auto)
 790         {
 791                 *current_auto = reverse ? last : first;
 792 //              slope_value = (*current_auto)->value;
 793                 slope_start = input_start;
 794                 slope_position = 0;
 795         }
 796         else
 797         {
 798 // otherwise get the first slope point and advance auto
 799 //              slope_value = (*current_auto)->value;
 800                 slope_start = (*current_auto)->position;
 801                 slope_position = reverse ? slope_start - input_end : input_start - slope_start;
 802                 (*current_auto) = reverse ? (*current_auto)->previous : (*current_auto)->next;
 803         }
 804         return 0;
 805 }
 806
 807
 808 int Autos::get_slope(Auto **current_auto,
 809                                 double &slope_start,
 810                                 double &slope_end,
 811                                 double &slope_value,
 812                                 double &slope,
 813                                 int64_t buffer_len,
 814                                 int64_t buffer_position,
 815                                 int reverse)
 816 {
 817 // get the slope
 818         if(*current_auto)
 819         {
 820                 slope_end = reverse ? slope_start - (*current_auto)->position : (*current_auto)->position - slope_start;
 821                 if(slope_end)
 822 //                      slope = ((*current_auto)->value - slope_value) / slope_end;
 823 //              else
 824                         slope = 0;
 825         }
 826         else
 827         {
 828                 slope = 0;
 829                 slope_end = buffer_len - buffer_position;
 830         }
 831         return 0;
 832 }
 833
 834 int Autos::advance_slope(Auto **current_auto,
 835                                 double &slope_start,
 836                                 double &slope_value,
 837                                 double &slope_position,
 838                                 int reverse)
 839 {
 840         if(*current_auto)
 841         {
 842                 slope_start = (*current_auto)->position;
 843 //              slope_value = (*current_auto)->value;
 844                 (*current_auto) = reverse ? (*current_auto)->previous : (*current_auto)->next;
 845                 slope_position = 0;
 846         }
 847         return 0;
 848 }
 849
 850 int64_t Autos::get_length()
 851 {
 852         if(last)
 853                 return last->position + 1;
 854         else
 855                 return 0;
 856 }
 857
 858 void Autos::get_extents(float *min,
 859         float *max,
 860         int *coords_undefined,
 861         int64_t unit_start,
 862         int64_t unit_end)
 863 {
 864
 865 }
 866
 867
 868 void Autos::dump(FILE *fp)
 869 {
 870 }
 871
 872
 873
 874
 875
 876
 877
 878
 879
 880