autos.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "autos.h"
  23 #include "clip.h"
  24 #include "edl.h"
  25 #include "edlsession.h"
  26 #include "floatauto.h"
  27 #include "localsession.h"
  28 #include "filexml.h"
  29 #include "track.h"
  30 #include "transportque.inc"
  31
  32
  33 Autos::Autos(EDL *edl, Track *track)
  34  : List<Auto>()
  35 {
  36         this->edl = edl;
  37         this->track = track;
  38         type = -1;
  39         autoidx = -1;
  40         autogrouptype = -1;
  41 }
  42
  43
  44
  45 Autos::~Autos()
  46 {
  47         while(last) delete last;
  48         delete default_auto;
  49 }
  50
  51 void Autos::create_objects()
  52 {
  53 // Default
  54         default_auto = new_auto();
  55         default_auto->is_default = 1;
  56 }
  57
  58 int Autos::get_type()
  59 {
  60         return type;
  61 }
  62
  63 Auto* Autos::append_auto()
  64 {
  65         return append(new_auto());
  66 }
  67
  68
  69 Auto* Autos::new_auto()
  70 {
  71         return new Auto(edl, this);
  72 }
  73
  74 void Autos::resample(double old_rate, double new_rate)
  75 {
  76         for(Auto *current = first; current; current = NEXT)
  77         {
  78                 current->position = (int64_t)((double)current->position *
  79                         new_rate /
  80                         old_rate +
  81                         0.5);
  82         }
  83 }
  84
  85 void Autos::equivalent_output(Autos *autos, int64_t startproject, int64_t *result)
  86 {
  87 // Default keyframe differs
  88         if(!total() && !(*default_auto == *autos->default_auto))
  89         {
  90                 if(*result < 0 || *result > startproject) *result = startproject;
  91         }
  92         else
  93 // Search for difference
  94         {
  95                 for(Auto *current = first, *that_current = autos->first;
  96                         current || that_current;
  97                         current = NEXT,
  98                         that_current = that_current->next)
  99                 {
 100 // Total differs
 101                         if(current && !that_current)
 102                         {
 103                                 int64_t position1 = (autos->last ? autos->last->position : startproject);
 104                                 int64_t position2 = current->position;
 105                                 if(*result < 0 || *result > MIN(position1, position2))
 106                                         *result = MIN(position1, position2);
 107                                 break;
 108                         }
 109                         else
 110                         if(!current && that_current)
 111                         {
 112                                 int64_t position1 = (last ? last->position : startproject);
 113                                 int64_t position2 = that_current->position;
 114                                 if(*result < 0 || *result > MIN(position1, position2))
 115                                         *result = MIN(position1, position2);
 116                                 break;
 117                         }
 118                         else
 119 // Keyframes differ
 120                         if(!(*current == *that_current) ||
 121                                 current->position != that_current->position)
 122                         {
 123                                 int64_t position1 = (current->previous ?
 124                                         current->previous->position :
 125                                         startproject);
 126                                 int64_t position2 = (that_current->previous ?
 127                                         that_current->previous->position :
 128                                         startproject);
 129                                 if(*result < 0 || *result > MIN(position1, position2))
 130                                         *result = MIN(position1, position2);
 131                                 break;
 132                         }
 133                 }
 134         }
 135 }
 136
 137 void Autos::copy_from(Autos *autos)
 138 {
 139         Auto *current = autos->first, *this_current = first;
 140
 141         default_auto->copy_from(autos->default_auto);
 142
 143 // Detect common memory leak bug
 144         if(autos->first && !autos->last)
 145         {
 146                 printf("Autos::copy_from inconsistent pointers\n");
 147                 exit(1);
 148         }
 149
 150         for(current = autos->first; current; current = NEXT)
 151         {
 152 //printf("Autos::copy_from 1 %p\n", current);
 153 //sleep(1);
 154                 if(!this_current)
 155                 {
 156                         append(this_current = new_auto());
 157                 }
 158                 this_current->copy_from(current);
 159                 this_current = this_current->next;
 160         }
 161
 162         for( ; this_current; )
 163         {
 164                 Auto *next_current = this_current->next;
 165                 delete this_current;
 166                 this_current = next_current;
 167         }
 168 }
 169
 170
 171 // We don't replace it in pasting but
 172 // when inserting the first EDL of a load operation we need to replace
 173 // the default keyframe.
 174 void Autos::insert_track(Autos *automation,
 175         int64_t start_unit,
 176         int64_t length_units,
 177         int replace_default)
 178 {
 179 // Insert silence
 180         insert(start_unit, start_unit + length_units);
 181
 182         if(replace_default) default_auto->copy_from(automation->default_auto);
 183         for(Auto *current = automation->first; current; current = NEXT)
 184         {
 185 // fill new auto with values from current (template), interpolate values if possible
 186                 Auto *new_auto = insert_auto(start_unit + current->position, current);
 187 // Override copy_from
 188                 new_auto->position = current->position + start_unit;
 189         }
 190 }
 191
 192 Auto* Autos::get_prev_auto(int64_t position,
 193         int direction,
 194         Auto* &current,
 195         int use_default)
 196 {
 197 // Get on or before position
 198         if(direction == PLAY_FORWARD)
 199         {
 200 // Try existing result
 201                 if(current)
 202                 {
 203                         while(current && current->position < position) current = NEXT;
 204                         while(current && current->position > position) current = PREVIOUS;
 205                 }
 206
 207                 if(!current)
 208                 {
 209                         for(current = last;
 210                                 current && current->position > position;
 211                                 current = PREVIOUS) ;
 212                 }
 213                 if(!current && use_default) current = (first ? first : default_auto);
 214         }
 215         else
 216 // Get on or after position
 217         if(direction == PLAY_REVERSE)
 218         {
 219                 if(current)
 220                 {
 221                         while(current && current->position > position) current = PREVIOUS;
 222                         while(current && current->position < position) current = NEXT;
 223                 }
 224
 225                 if(!current)
 226                 {
 227                         for(current = first;
 228                                 current && current->position < position;
 229                                 current = NEXT) ;
 230                 }
 231
 232                 if(!current && use_default) current = (last ? last : default_auto);
 233         }
 234
 235         return current;
 236 }
 237
 238 Auto* Autos::get_prev_auto(int direction, Auto* &current)
 239 {
 240         double position_double = edl->local_session->get_selectionstart(1);
 241         position_double = edl->align_to_frame(position_double, 0);
 242         int64_t position = track->to_units(position_double, 0);
 243
 244         return get_prev_auto(position, direction, current);
 245 }
 246
 247 int Autos::auto_exists_for_editing(double position)
 248 {
 249         int result = 0;
 250
 251         if(edl->session->auto_keyframes)
 252         {
 253                 double unit_position = position;
 254                 unit_position = edl->align_to_frame(unit_position, 0);
 255                 if (get_auto_at_position(unit_position))
 256                         result = 1;
 257         }
 258         else
 259         {
 260                 result = 1;
 261         }
 262
 263         return result;
 264 }
 265
 266 Auto* Autos::get_auto_at_position(double position)
 267 {
 268         int64_t unit_position = track->to_units(position, 0);
 269
 270         for(Auto *current = first;
 271                 current;
 272                 current = NEXT)
 273         {
 274                 if(edl->equivalent(current->position, unit_position))
 275                 {
 276                         return current;
 277                 }
 278         }
 279         return 0;
 280 }
 281
 282
 283 Auto* Autos::get_auto_for_editing(double position)
 284 {
 285         if(position < 0) {
 286                 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 //printf("Autos::get_auto_for_editing %p %p %p\n", default_auto, first, result);
 292         if( !result || !EQUIV(track->from_units(result->position), position) ) {
 293                 if( edl->session->auto_keyframes ) {
 294                         position = edl->align_to_frame(position, 0);
 295                         result = insert_auto(track->to_units(position, 0));
 296                 }
 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)
 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)
 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 int Autos::clear_all()
 401 {
 402         Auto *current_, *current;
 403
 404         for(current = first; current; current = current_)
 405         {
 406                 current_ = NEXT;
 407                 remove(current);
 408         }
 409         append_auto();
 410         return 0;
 411 }
 412
 413 int Autos::insert(int64_t start, int64_t end)
 414 {
 415         int64_t length;
 416         Auto *current = first;
 417
 418         for( ; current && current->position < start; current = NEXT)
 419                 ;
 420
 421         length = end - start;
 422
 423         for(; current; current = NEXT)
 424         {
 425                 current->position += length;
 426         }
 427         return 0;
 428 }
 429
 430 void Autos::paste(int64_t start,
 431         int64_t length,
 432         double scale,
 433         FileXML *file,
 434         int default_only,
 435         int active_only)
 436 {
 437         int total = 0;
 438         int result = 0;
 439
 440 //printf("Autos::paste %d start=%jd\n", __LINE__, start);
 441         do{
 442                 result = file->read_tag();
 443
 444                 if(!result && !file->tag.title_is("/AUTO"))
 445                 {
 446 // End of list
 447                         if(file->tag.get_title()[0] == '/')
 448                         {
 449                                 result = 1;
 450                         }
 451                         else
 452                         if(!strcmp(file->tag.get_title(), "AUTO"))
 453                         {
 454                                 Auto *current = 0;
 455
 456 // Paste first auto into default
 457                                 if(default_only && total == 0)
 458                                 {
 459                                         current = default_auto;
 460                                 }
 461                                 else
 462 // Paste default auto into default
 463                                 if(!default_only)
 464                                 {
 465                                         int64_t position = Units::to_int64(
 466                                                 (double)file->tag.get_property("POSITION", 0) *
 467                                                         scale +
 468                                                         start);
 469 // Paste active auto into track
 470                                         current = insert_auto(position);
 471                                 }
 472
 473                                 if(current)
 474                                 {
 475                                         current->load(file);
 476                                 }
 477                                 total++;
 478                         }
 479                 }
 480         } while( !result );
 481 }
 482
 483
 484 int Autos::paste_silence(int64_t start, int64_t end)
 485 {
 486         insert(start, end);
 487         return 0;
 488 }
 489
 490 int Autos::copy(int64_t start,
 491         int64_t end,
 492         FileXML *file,
 493         int default_only,
 494         int active_only)
 495 {
 496 // First auto always loaded with default
 497 //printf("Autos::copy %d %d %d\n", __LINE__, default_only, active_only);
 498         if(default_only || (!active_only && !default_only))
 499         {
 500                 default_auto->copy(0, 0, file, default_only);
 501         }
 502
 503 //printf("Autos::copy 10 %d %d %p\n", default_only, start, autoof(start));
 504         if(active_only || (!default_only && !active_only))
 505         {
 506                 for(Auto* current = autoof(start);
 507                         current && current->position <= end;
 508                         current = NEXT)
 509                 {
 510 // Want to copy single keyframes by putting the cursor on them
 511                         if(current->position >= start && current->position <= end)
 512                         {
 513                                 current->copy(start, end, file, default_only);
 514                         }
 515                 }
 516         }
 517 // Copy default auto again to make it the active auto on the clipboard
 518 //      else
 519 //      {
 520 // Need to force position to 0 for the case of plugins
 521 // and default status to 0.
 522 //              default_auto->copy(0, 0, file, default_only);
 523 //      }
 524 //printf("Autos::copy 20\n");
 525
 526         return 0;
 527 }
 528
 529 // Remove 3 consecutive autos with the same value
 530 // Remove autos which are out of order
 531 void Autos::optimize()
 532 {
 533         int done = 0;
 534
 535
 536 // Default auto should always be at 0
 537         default_auto->position = 0;
 538         while(!done)
 539         {
 540                 int consecutive = 0;
 541                 done = 1;
 542
 543
 544                 for(Auto *current = first; current; current = NEXT)
 545                 {
 546 // Get 3rd consecutive auto of equal value
 547                         if(current != first)
 548                         {
 549                                 if(*current == *PREVIOUS)
 550                                 {
 551                                         consecutive++;
 552                                         if(consecutive >= 3)
 553                                         {
 554                                                 delete PREVIOUS;
 555                                                 break;
 556                                         }
 557                                 }
 558                                 else
 559                                         consecutive = 0;
 560
 561                                 if(done && current->position <= PREVIOUS->position)
 562                                 {
 563                                         delete current;
 564                                         break;
 565                                 }
 566                         }
 567                 }
 568         }
 569 }
 570
 571
 572 void Autos::remove_nonsequential(Auto *keyframe)
 573 {
 574         if((keyframe->next && keyframe->next->position <= keyframe->position) ||
 575                 (keyframe->previous && keyframe->previous->position >= keyframe->position))
 576         {
 577                 delete keyframe;
 578         }
 579 }
 580
 581
 582 void Autos::set_automation_mode(int64_t start, int64_t end, int mode)
 583 {
 584 }
 585
 586 void Autos::clear(int64_t start,
 587         int64_t end,
 588         int shift_autos)
 589 {
 590         int64_t length;
 591         Auto *next, *current;
 592         length = end - start;
 593
 594
 595         current = autoof(start);
 596
 597 // If a range is selected don't delete the ending keyframe but do delete
 598 // the beginning keyframe because shifting end handle forward shouldn't
 599 // delete the first keyframe of the next edit.
 600
 601         while(current &&
 602                 ((end != start && current->position < end) ||
 603                 (end == start && current->position <= end)))
 604         {
 605                 next = NEXT;
 606                 remove(current);
 607                 current = next;
 608         }
 609
 610         while(current && shift_autos)
 611         {
 612                 current->position -= length;
 613                 current = NEXT;
 614         }
 615 }
 616
 617 int Autos::clear_auto(int64_t position)
 618 {
 619         Auto *current;
 620         current = autoof(position);
 621         return current->position==position ? (remove(current), 1) : 0;
 622 }
 623
 624
 625 int Autos::load(FileXML *file)
 626 {
 627         while(last)
 628                 remove(last);    // remove any existing autos
 629
 630         int result = 0, first_auto = 1;
 631         Auto *current;
 632
 633         do{
 634                 result = file->read_tag();
 635
 636                 if(!result && !file->tag.title_is("/AUTO"))
 637                 {
 638 // First tag with leading / is taken as end of autos
 639                         if(/* strstr(file->tag.get_title(), "AUTOS") && */
 640
 641                                 file->tag.get_title()[0] == '/')
 642                         {
 643                                 result = 1;
 644                         }
 645                         else
 646                         if(!strcmp(file->tag.get_title(), "AUTO"))
 647                         {
 648                                 if(first_auto)
 649                                 {
 650                                         default_auto->load(file);
 651                                         default_auto->position = 0;
 652                                         first_auto = 0;
 653                                 }
 654                                 else
 655                                 {
 656                                         current = append(new_auto());
 657                                         current->position = file->tag.get_property("POSITION", (int64_t)0);
 658                                         current->load(file);
 659                                 }
 660                         }
 661                 }
 662         } while( !result );
 663         return 0;
 664 }
 665
 666
 667
 668
 669
 670
 671 int Autos::slope_adjustment(int64_t ax, double slope)
 672 {
 673         return (int)(ax * slope);
 674 }
 675
 676
 677 int Autos::scale_time(float rate_scale, int scale_edits, int scale_autos, int64_t start, int64_t end)
 678 {
 679         Auto *current;
 680
 681         for(current = first; current && scale_autos; current = NEXT)
 682         {
 683 //              if(current->position >= start && current->position <= end)
 684 //              {
 685                         current->position = (int64_t)((current->position - start) * rate_scale + start + 0.5);
 686 //              }
 687         }
 688         return 0;
 689 }
 690
 691 Auto* Autos::autoof(int64_t position)
 692 {
 693         Auto *current;
 694
 695         for(current = first;
 696                 current && current->position < position;
 697                 current = NEXT)
 698         {
 699                 ;
 700         }
 701         return current;     // return 0 on failure
 702 }
 703
 704 Auto* Autos::nearest_before(int64_t position)
 705 {
 706         Auto *current;
 707
 708         for(current = last; current && current->position >= position; current = PREVIOUS)
 709         { ; }
 710
 711
 712         return current;     // return 0 on failure
 713 }
 714
 715 Auto* Autos::nearest_after(int64_t position)
 716 {
 717         Auto *current;
 718
 719         for(current = first; current && current->position <= position; current = NEXT)
 720         { ; }
 721
 722
 723         return current;     // return 0 on failure
 724 }
 725
 726 int Autos::get_neighbors(int64_t start, int64_t end, Auto **before, Auto **after)
 727 {
 728         if(*before == 0) *before = first;
 729         if(*after == 0) *after = last;
 730
 731         while(*before && (*before)->next && (*before)->next->position <= start)
 732                 *before = (*before)->next;
 733
 734         while(*after && (*after)->previous && (*after)->previous->position >= end)
 735                 *after = (*after)->previous;
 736
 737         while(*before && (*before)->position > start) *before = (*before)->previous;
 738
 739         while(*after && (*after)->position < end) *after = (*after)->next;
 740         return 0;
 741 }
 742
 743 int Autos::automation_is_constant(int64_t start, int64_t end)
 744 {
 745         return 0;
 746 }
 747
 748 double Autos::get_automation_constant(int64_t start, int64_t end)
 749 {
 750         return 0;
 751 }
 752
 753
 754 int Autos::init_automation(int64_t &buffer_position,
 755                                 int64_t &input_start,
 756                                 int64_t &input_end,
 757                                 int &automate,
 758                                 double &constant,
 759                                 int64_t input_position,
 760                                 int64_t buffer_len,
 761                                 Auto **before,
 762                                 Auto **after,
 763                                 int reverse)
 764 {
 765         buffer_position = 0;
 766
 767 // set start and end boundaries for automation info
 768         input_start = reverse ? input_position - buffer_len : input_position;
 769         input_end = reverse ? input_position : input_position + buffer_len;
 770
 771 // test automation for constant value
 772 // and set up *before and *after
 773         if(automate)
 774         {
 775                 if(automation_is_constant(input_start, input_end))
 776                 {
 777                         constant += get_automation_constant(input_start, input_end);
 778                         automate = 0;
 779                 }
 780         }
 781         return automate;
 782 }
 783
 784
 785 int Autos::init_slope(Auto **current_auto,
 786                                 double &slope_start,
 787                                 double &slope_value,
 788                                 double &slope_position,
 789                                 int64_t &input_start,
 790                                 int64_t &input_end,
 791                                 Auto **before,
 792                                 Auto **after,
 793                                 int reverse)
 794 {
 795 // apply automation
 796         *current_auto = reverse ? *after : *before;
 797 // no auto before start so use first auto in range
 798 // already know there is an auto since automation isn't constant
 799         if(!*current_auto)
 800         {
 801                 *current_auto = reverse ? last : first;
 802 //              slope_value = (*current_auto)->value;
 803                 slope_start = input_start;
 804                 slope_position = 0;
 805         }
 806         else
 807         {
 808 // otherwise get the first slope point and advance auto
 809 //              slope_value = (*current_auto)->value;
 810                 slope_start = (*current_auto)->position;
 811                 slope_position = reverse ? slope_start - input_end : input_start - slope_start;
 812                 (*current_auto) = reverse ? (*current_auto)->previous : (*current_auto)->next;
 813         }
 814         return 0;
 815 }
 816
 817
 818 int Autos::get_slope(Auto **current_auto,
 819                                 double &slope_start,
 820                                 double &slope_end,
 821                                 double &slope_value,
 822                                 double &slope,
 823                                 int64_t buffer_len,
 824                                 int64_t buffer_position,
 825                                 int reverse)
 826 {
 827 // get the slope
 828         if(*current_auto)
 829         {
 830                 slope_end = reverse ? slope_start - (*current_auto)->position : (*current_auto)->position - slope_start;
 831                 if(slope_end)
 832 //                      slope = ((*current_auto)->value - slope_value) / slope_end;
 833 //              else
 834                         slope = 0;
 835         }
 836         else
 837         {
 838                 slope = 0;
 839                 slope_end = buffer_len - buffer_position;
 840         }
 841         return 0;
 842 }
 843
 844 int Autos::advance_slope(Auto **current_auto,
 845                                 double &slope_start,
 846                                 double &slope_value,
 847                                 double &slope_position,
 848                                 int reverse)
 849 {
 850         if(*current_auto)
 851         {
 852                 slope_start = (*current_auto)->position;
 853 //              slope_value = (*current_auto)->value;
 854                 (*current_auto) = reverse ? (*current_auto)->previous : (*current_auto)->next;
 855                 slope_position = 0;
 856         }
 857         return 0;
 858 }
 859
 860 int64_t Autos::get_length()
 861 {
 862         if(last)
 863                 return last->position + 1;
 864         else
 865                 return 0;
 866 }
 867
 868 void Autos::get_extents(float *min,
 869         float *max,
 870         int *coords_undefined,
 871         int64_t unit_start,
 872         int64_t unit_end)
 873 {
 874
 875 }
 876
 877
 878 void Autos::dump(FILE *fp)
 879 {
 880 }
 881
 882
 883
 884
 885
 886
 887
 888
 889
 890