cinelerra-5.1/cinelerra/edl.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 1997-2012 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 "asset.h"
  23 #include "assets.h"
  24 #include "atrack.h"
  25 #include "autoconf.h"
  26 #include "automation.h"
  27 #include "awindowgui.inc"
  28 #include "bcsignals.h"
  29 #include "clip.h"
  30 #include "cstrdup.h"
  31 #include "bccmodels.h"
  32 #include "bchash.h"
  33 #include "clipedls.h"
  34 #include "edits.h"
  35 #include "edl.h"
  36 #include "edlsession.h"
  37 #include "filexml.h"
  38 #include "guicast.h"
  39 #include "indexstate.h"
  40 #include "interlacemodes.h"
  41 #include "labels.h"
  42 #include "localsession.h"
  43 #include "maskautos.h"
  44 #include "mutex.h"
  45 #include "panauto.h"
  46 #include "panautos.h"
  47 #include "playbackconfig.h"
  48 #include "playabletracks.h"
  49 #include "plugin.h"
  50 #include "preferences.h"
  51 #include "recordconfig.h"
  52 #include "recordlabel.h"
  53 #include "sharedlocation.h"
  54 #include "theme.h"
  55 #include "tracks.h"
  56 #include "transportque.inc"
  57 #include "versioninfo.h"
  58 #include "vedit.h"
  59 #include "vtrack.h"
  60
  61
  62
  63
  64 EDL::EDL(EDL *parent_edl)
  65  : Indexable(0)
  66 {
  67         this->parent_edl = parent_edl;
  68         tracks = 0;
  69         labels = 0;
  70         local_session = 0;
  71         folders.set_array_delete();
  72         id = next_id();
  73         path[0] = 0;
  74 }
  75
  76
  77 EDL::~EDL()
  78 {
  79
  80         delete tracks;
  81         delete labels;
  82         delete local_session;
  83         remove_vwindow_edls();
  84         if( !parent_edl ) {
  85                 delete assets;
  86                 delete session;
  87         }
  88         folders.remove_all_objects();
  89 }
  90
  91
  92 void EDL::create_objects()
  93 {
  94         tracks = new Tracks(this);
  95         assets = !parent_edl ? new Assets(this) : parent_edl->assets;
  96         session = !parent_edl ? new EDLSession(this) : parent_edl->session;
  97         local_session = new LocalSession(this);
  98         labels = new Labels(this, "LABELS");
  99 }
 100
 101 EDL& EDL::operator=(EDL &edl)
 102 {
 103 printf("EDL::operator= 1\n");
 104         copy_all(&edl);
 105         return *this;
 106 }
 107
 108 int EDL::load_defaults(BC_Hash *defaults)
 109 {
 110         if( !parent_edl )
 111                 session->load_defaults(defaults);
 112
 113         local_session->load_defaults(defaults);
 114         return 0;
 115 }
 116
 117 int EDL::save_defaults(BC_Hash *defaults)
 118 {
 119         if( !parent_edl )
 120                 session->save_defaults(defaults);
 121
 122         local_session->save_defaults(defaults);
 123         return 0;
 124 }
 125
 126 void EDL::boundaries()
 127 {
 128         session->boundaries();
 129         local_session->boundaries();
 130 }
 131
 132 int EDL::create_default_tracks()
 133 {
 134
 135         for( int i=0; i<session->video_tracks; ++i ) {
 136                 tracks->add_video_track(0, 0);
 137         }
 138         for( int i=0; i<session->audio_tracks; ++i ) {
 139                 tracks->add_audio_track(0, 0);
 140         }
 141         return 0;
 142 }
 143
 144 int EDL::load_xml(FileXML *file, uint32_t load_flags)
 145 {
 146         int result = 0;
 147
 148 // Clear objects
 149         folders.remove_all_objects();
 150
 151         if( (load_flags & LOAD_ALL) == LOAD_ALL ) {
 152                 remove_vwindow_edls();
 153         }
 154
 155
 156 // Search for start of master EDL.
 157
 158 // The parent_edl test caused clip creation to fail since those XML files
 159 // contained an EDL tag.
 160
 161 // The parent_edl test is required to make EDL loading work because
 162 // when loading an EDL the EDL tag is already read by the parent.
 163
 164         if( !parent_edl ) {
 165                 do {
 166                   result = file->read_tag();
 167                 } while(!result &&
 168                         !file->tag.title_is("XML") &&
 169                         !file->tag.title_is("EDL"));
 170         }
 171         return result ? result : read_xml(file, load_flags);
 172 }
 173
 174 int EDL::read_xml(FileXML *file, uint32_t load_flags)
 175 {
 176         int result = 0;
 177 // Track numbering offset for replacing undo data.
 178         int track_offset = 0;
 179
 180 // Get path for backups
 181         file->tag.get_property("path", path);
 182
 183 // Erase everything
 184         if( (load_flags & LOAD_ALL) == LOAD_ALL ||
 185                 (load_flags & LOAD_EDITS) == LOAD_EDITS ) {
 186                 while(tracks->last) delete tracks->last;
 187         }
 188
 189         if( (load_flags & LOAD_ALL) == LOAD_ALL ) {
 190                 clips.clear();
 191                 mixers.remove_all_objects();
 192         }
 193
 194         if( load_flags & LOAD_TIMEBAR ) {
 195                 while(labels->last) delete labels->last;
 196                 local_session->unset_inpoint();
 197                 local_session->unset_outpoint();
 198         }
 199
 200 // This was originally in LocalSession::load_xml
 201         if( load_flags & LOAD_SESSION ) {
 202                 local_session->clipboard_length = 0;
 203         }
 204
 205         do {
 206                 result = file->read_tag();
 207
 208                 if( !result ) {
 209                         if( file->tag.title_is("/XML") ||
 210                                 file->tag.title_is("/EDL") ||
 211                                 file->tag.title_is("/CLIP_EDL") ||
 212                                 file->tag.title_is("/NESTED_EDL") ||
 213                                 file->tag.title_is("/VWINDOW_EDL") ) {
 214                                 result = 1;
 215                         }
 216                         else
 217                         if( file->tag.title_is("CLIPBOARD") ) {
 218                                 local_session->clipboard_length =
 219                                         file->tag.get_property("LENGTH", (double)0);
 220                         }
 221                         else
 222                         if( file->tag.title_is("VIDEO") ) {
 223                                 if( (load_flags & LOAD_VCONFIG) &&
 224                                         (load_flags & LOAD_SESSION) )
 225                                         session->load_video_config(file, 0, load_flags);
 226                                 else
 227                                         result = file->skip_tag();
 228                         }
 229                         else
 230                         if( file->tag.title_is("AUDIO") ) {
 231                                 if( (load_flags & LOAD_ACONFIG) &&
 232                                         (load_flags & LOAD_SESSION) )
 233                                         session->load_audio_config(file, 0, load_flags);
 234                                 else
 235                                         result = file->skip_tag();
 236                         }
 237                         else
 238                         if( file->tag.title_is("FOLDER") ) {
 239                                 char folder[BCTEXTLEN];
 240                                 strcpy(folder, file->read_text());
 241                                 new_folder(folder);
 242                         }
 243                         else
 244                         if( file->tag.title_is("MIXERS") ) {
 245                                 if( (load_flags & LOAD_SESSION) )
 246                                         mixers.load(file);
 247                                 else
 248                                         result = file->skip_tag();
 249                         }
 250                         else
 251                         if( file->tag.title_is("ASSETS") ) {
 252                                 if( load_flags & LOAD_ASSETS )
 253                                         assets->load(file, load_flags);
 254                                 else
 255                                         result = file->skip_tag();
 256                         }
 257                         else
 258                         if( file->tag.title_is(labels->xml_tag) ) {
 259                                 if( load_flags & LOAD_TIMEBAR )
 260                                         labels->load(file, load_flags);
 261                                 else
 262                                         result = file->skip_tag();
 263                         }
 264                         else
 265                         if( file->tag.title_is("LOCALSESSION") ) {
 266                                 if( (load_flags & LOAD_SESSION) ||
 267                                         (load_flags & LOAD_TIMEBAR) )
 268                                         local_session->load_xml(file, load_flags);
 269                                 else
 270                                         result = file->skip_tag();
 271                         }
 272                         else
 273                         if( file->tag.title_is("SESSION") ) {
 274                                 if( (load_flags & LOAD_SESSION) &&
 275                                         !parent_edl )
 276                                         session->load_xml(file, 0, load_flags);
 277                                 else
 278                                         result = file->skip_tag();
 279                         }
 280                         else
 281                         if( file->tag.title_is("TRACK") ) {
 282                                 tracks->load(file, track_offset, load_flags);
 283                         }
 284                         else
 285 // Sub EDL.
 286 // Causes clip creation to fail because that involves an opening EDL tag.
 287                         if( file->tag.title_is("CLIP_EDL") && !parent_edl ) {
 288                                 EDL *new_edl = new EDL(this);
 289                                 new_edl->create_objects();
 290                                 new_edl->read_xml(file, LOAD_ALL);
 291                                 if( (load_flags & LOAD_ALL) == LOAD_ALL )
 292                                         clips.add_clip(new_edl);
 293                                 new_edl->remove_user();
 294                         }
 295                         else
 296                         if( file->tag.title_is("NESTED_EDL") ) {
 297                                 EDL *nested_edl = new EDL;
 298                                 nested_edl->create_objects();
 299                                 nested_edl->read_xml(file, LOAD_ALL);
 300                                 if( (load_flags & LOAD_ALL) == LOAD_ALL )
 301                                         nested_edls.add_clip(nested_edl);
 302                                 nested_edl->remove_user();
 303                         }
 304                         else
 305                         if( file->tag.title_is("VWINDOW_EDL") && !parent_edl ) {
 306                                 EDL *new_edl = new EDL(this);
 307                                 new_edl->create_objects();
 308                                 new_edl->read_xml(file, LOAD_ALL);
 309
 310
 311                                 if( (load_flags & LOAD_ALL) == LOAD_ALL ) {
 312 //                                              if( vwindow_edl && !vwindow_edl_shared )
 313 //                                                      vwindow_edl->remove_user();
 314 //                                              vwindow_edl_shared = 0;
 315 //                                              vwindow_edl = new_edl;
 316
 317                                         append_vwindow_edl(new_edl, 0);
 318
 319                                 }
 320                                 else
 321 // Discard if not replacing EDL
 322                                 {
 323                                         new_edl->remove_user();
 324                                         new_edl = 0;
 325                                 }
 326                         }
 327                 }
 328         } while(!result);
 329
 330         boundaries();
 331 //dump();
 332
 333         return 0;
 334 }
 335
 336 // Output path is the path of the output file if name truncation is desired.
 337 // It is a "" if complete names should be used.
 338 // Called recursively by copy for clips, thus the string can't be terminated.
 339 // The string is not terminated in this call.
 340 int EDL::save_xml(FileXML *file, const char *output_path)
 341 {
 342         copy(0, tracks->total_length(), 1, file, output_path, 0);
 343         return 0;
 344 }
 345
 346 int EDL::copy_all(EDL *edl)
 347 {
 348         if( this == edl ) return 0;
 349         update_index(edl);
 350         copy_session(edl);
 351         copy_assets(edl);
 352         copy_clips(edl);
 353         copy_nested(edl);
 354         copy_mixers(edl);
 355         tracks->copy_from(edl->tracks);
 356         labels->copy_from(edl->labels);
 357         return 0;
 358 }
 359
 360 void EDL::copy_clips(EDL *edl)
 361 {
 362         if( this == edl ) return;
 363
 364         remove_vwindow_edls();
 365
 366 //      if( vwindow_edl && !vwindow_edl_shared )
 367 //              vwindow_edl->remove_user();
 368 //      vwindow_edl = 0;
 369 //      vwindow_edl_shared = 0;
 370
 371         for( int i=0; i<edl->total_vwindow_edls(); ++i ) {
 372                 EDL *new_edl = new EDL(this);
 373                 new_edl->create_objects();
 374                 new_edl->copy_all(edl->get_vwindow_edl(i));
 375                 append_vwindow_edl(new_edl, 0);
 376         }
 377
 378         clips.clear();
 379         for( int i=0; i<edl->clips.size(); ++i ) add_clip(edl->clips[i]);
 380 }
 381
 382 void EDL::copy_nested(EDL *edl)
 383 {
 384         if( this == edl ) return;
 385         nested_edls.copy_nested(edl->nested_edls);
 386 }
 387
 388 void EDL::copy_assets(EDL *edl)
 389 {
 390         if( this == edl ) return;
 391
 392         if( !parent_edl ) {
 393                 assets->copy_from(edl->assets);
 394         }
 395 }
 396
 397 void EDL::copy_mixers(EDL *edl)
 398 {
 399         if( this == edl ) return;
 400         mixers.copy_from(edl->mixers);
 401 }
 402
 403 void EDL::copy_session(EDL *edl, int session_only)
 404 {
 405         if( this == edl ) return;
 406
 407         if( !session_only ) {
 408                 strcpy(this->path, edl->path);
 409 //printf("EDL::copy_session %p %s\n", this, this->path);
 410
 411                 folders.remove_all_objects();
 412                 for( int i=0; i<edl->folders.size(); ++i )
 413                         folders.append(cstrdup(edl->folders[i]));
 414         }
 415
 416         if( !parent_edl ) {
 417                 session->copy(edl->session);
 418         }
 419
 420         if( !session_only ) {
 421                 local_session->copy_from(edl->local_session);
 422         }
 423 }
 424
 425 int EDL::copy_assets(double start,
 426         double end,
 427         FileXML *file,
 428         int all,
 429         const char *output_path)
 430 {
 431         ArrayList<Asset*> asset_list;
 432         Track* current;
 433
 434         file->tag.set_title("ASSETS");
 435         file->append_tag();
 436         file->append_newline();
 437
 438 // Copy everything for a save
 439         if( all ) {
 440                 for( Asset *asset=assets->first; asset; asset=asset->next ) {
 441                         asset_list.append(asset);
 442                 }
 443         }
 444         else {
 445 // Copy just the ones being used.
 446                 for( current = tracks->first; current; current = NEXT ) {
 447                         if( !current->record ) continue;
 448                         current->copy_assets(start, end, &asset_list);
 449                 }
 450         }
 451
 452 // Paths relativised here
 453         for( int i=0; i<asset_list.size(); ++i ) {
 454                 asset_list[i]->write(file, 0, output_path);
 455         }
 456
 457         file->tag.set_title("/ASSETS");
 458         file->append_tag();
 459         file->append_newline();
 460         file->append_newline();
 461         return 0;
 462 }
 463
 464
 465 int EDL::copy(double start, double end, int all,
 466         FileXML *file, const char *output_path, int rewind_it)
 467 {
 468         file->tag.set_title("EDL");
 469         file->tag.set_property("VERSION", CINELERRA_VERSION);
 470 // Save path for restoration of the project title from a backup.
 471         if( this->path[0] ) file->tag.set_property("PATH", path);
 472         return copy(start, end, all,
 473                 "/EDL", file, output_path, rewind_it);
 474 }
 475
 476 int EDL::copy_clip(double start, double end, int all,
 477         FileXML *file, const char *output_path, int rewind_it)
 478 {
 479         file->tag.set_title("CLIP_EDL");
 480         return copy(start, end, all,
 481                 "/CLIP_EDL", file, output_path, rewind_it);
 482 }
 483 int EDL::copy_nested_edl(double start, double end, int all,
 484         FileXML *file, const char *output_path, int rewind_it)
 485 {
 486         file->tag.set_title("NESTED_EDL");
 487         if( this->path[0] ) file->tag.set_property("PATH", path);
 488         return copy(start, end, all,
 489                 "/NESTED_EDL", file, output_path, rewind_it);
 490 }
 491 int EDL::copy_vwindow_edl(double start, double end, int all,
 492         FileXML *file, const char *output_path, int rewind_it)
 493 {
 494         file->tag.set_title("VWINDOW_EDL");
 495         return copy(start, end, all,
 496                 "/VWINDOW_EDL", file, output_path, rewind_it);
 497 }
 498
 499 int EDL::copy(double start, double end, int all,
 500         const char *closer, FileXML *file,
 501         const char *output_path, int rewind_it)
 502 {
 503         file->append_tag();
 504         file->append_newline();
 505 // Set clipboard samples only if copying to clipboard
 506         if( !all ) {
 507                 file->tag.set_title("CLIPBOARD");
 508                 file->tag.set_property("LENGTH", end - start);
 509                 file->append_tag();
 510                 file->tag.set_title("/CLIPBOARD");
 511                 file->append_tag();
 512                 file->append_newline();
 513                 file->append_newline();
 514         }
 515 //printf("EDL::copy 1\n");
 516
 517 // Sessions
 518         local_session->save_xml(file, start);
 519
 520 //printf("EDL::copy 1\n");
 521
 522 // Top level stuff.
 523 //      if(!parent_edl)
 524         {
 525 // Need to copy all this from child EDL if pasting is desired.
 526 // Session
 527                 session->save_xml(file);
 528                 session->save_video_config(file);
 529                 session->save_audio_config(file);
 530
 531 // Folders
 532                 for( int i=0; i<folders.size(); ++i ) {
 533                         file->tag.set_title("FOLDER");
 534                         file->append_tag();
 535                         file->append_text(folders[i]);
 536                         file->tag.set_title("/FOLDER");
 537                         file->append_tag();
 538                         file->append_newline();
 539                 }
 540
 541                 if( !parent_edl )
 542                         copy_assets(start, end, file, all, output_path);
 543
 544                 for( int i=0; i<nested_edls.size(); ++i )
 545                         nested_edls[i]->copy_nested_edl(0, tracks->total_length(), 1,
 546                                 file, output_path, 0);
 547
 548 // Clips
 549 // Don't want this if using clipboard
 550                 if( all ) {
 551                         for( int i=0; i<total_vwindow_edls(); ++i )
 552                                 get_vwindow_edl(i)->copy_vwindow_edl(0, tracks->total_length(), 1,
 553                                         file, output_path, 0);
 554
 555                         for( int i=0; i<clips.size(); ++i )
 556                                 clips[i]->copy_clip(0, tracks->total_length(), 1,
 557                                         file, output_path, 0);
 558
 559                         mixers.save(file);
 560                 }
 561
 562                 file->append_newline();
 563                 file->append_newline();
 564         }
 565
 566         labels->copy(start, end, file);
 567         tracks->copy(start, end, all, file, output_path);
 568
 569 // terminate file
 570         file->tag.set_title(closer);
 571         file->append_tag();
 572         file->append_newline();
 573
 574 // For editing operations we want to rewind it for immediate pasting.
 575 // For clips and saving to disk leave it alone.
 576         if( rewind_it ) {
 577                 file->terminate_string();
 578                 file->rewind();
 579         }
 580         return 0;
 581 }
 582
 583 int EDL::to_nested(EDL *nested_edl)
 584 {
 585 // Keep frame rate, sample rate, and output size unchanged.
 586 // These parameters would revert the project if VWindow displayed an asset
 587 // of different size than the project.
 588
 589 // Nest all video & audio outputs
 590         session->video_tracks = 1;
 591         session->audio_tracks = nested_edl->session->audio_channels;
 592         create_default_tracks();
 593         insert_asset(0, nested_edl, 0, 0, 0);
 594         return 0;
 595 }
 596
 597
 598 void EDL::retrack()
 599 {
 600         int min_w = session->output_w, min_h = session->output_h;
 601         for( Track *track=tracks->first; track!=0; track=track->next ) {
 602                 if( track->data_type != TRACK_VIDEO ) continue;
 603                 int w = min_w, h = min_h;
 604                 for( Edit *current=track->edits->first; current!=0; current=NEXT ) {
 605                         Indexable* indexable = current->get_source();
 606                         if( !indexable ) continue;
 607                         int edit_w = indexable->get_w(), edit_h = indexable->get_h();
 608                         if( w < edit_w ) w = edit_w;
 609                         if( h < edit_h ) h = edit_h;
 610                 }
 611                 if( track->track_w == w && track->track_h == h ) continue;
 612                 ((MaskAutos*)track->automation->autos[AUTOMATION_MASK])->
 613                         translate_masks( (w - track->track_w) / 2, (h - track->track_h) / 2);
 614                 track->track_w = w;  track->track_h = h;
 615         }
 616 }
 617
 618 void EDL::rechannel()
 619 {
 620         for( Track *current=tracks->first; current; current=NEXT ) {
 621                 if( current->data_type == TRACK_AUDIO ) {
 622                         PanAutos *autos = (PanAutos*)current->automation->autos[AUTOMATION_PAN];
 623                         ((PanAuto*)autos->default_auto)->rechannel();
 624                         for( PanAuto *keyframe = (PanAuto*)autos->first;
 625                              keyframe; keyframe = (PanAuto*)keyframe->next ) {
 626                                 keyframe->rechannel();
 627                         }
 628                 }
 629         }
 630 }
 631
 632 void EDL::resample(double old_rate, double new_rate, int data_type)
 633 {
 634         for( Track *current=tracks->first; current; current=NEXT ) {
 635                 if( current->data_type == data_type ) {
 636                         current->resample(old_rate, new_rate);
 637                 }
 638         }
 639 }
 640
 641
 642 void EDL::synchronize_params(EDL *edl)
 643 {
 644         local_session->synchronize_params(edl->local_session);
 645         for( Track *this_track=tracks->first, *that_track=edl->tracks->first;
 646              this_track && that_track;
 647              this_track=this_track->next, that_track=that_track->next ) {
 648                 this_track->synchronize_params(that_track);
 649         }
 650 }
 651
 652 int EDL::trim_selection(double start,
 653         double end,
 654         int edit_labels,
 655         int edit_plugins,
 656         int edit_autos)
 657 {
 658         if( start != end ) {
 659 // clear the data
 660                 clear(0,
 661                         start,
 662                         edit_labels,
 663                         edit_plugins,
 664                         edit_autos);
 665                 clear(end - start,
 666                         tracks->total_length(),
 667                         edit_labels,
 668                         edit_plugins,
 669                         edit_autos);
 670         }
 671         return 0;
 672 }
 673
 674
 675 int EDL::equivalent(double position1, double position2)
 676 {
 677         double threshold = session->cursor_on_frames ?
 678                 0.5 / session->frame_rate : 1.0 / session->sample_rate;
 679         return fabs(position2 - position1) < threshold ? 1 : 0;
 680 }
 681
 682 double EDL::equivalent_output(EDL *edl)
 683 {
 684         double result = -1;
 685         session->equivalent_output(edl->session, &result);
 686         tracks->equivalent_output(edl->tracks, &result);
 687         return result;
 688 }
 689
 690
 691 void EDL::set_path(const char *path)
 692 {
 693         strcpy(this->path, path);
 694 }
 695
 696 void EDL::set_inpoint(double position)
 697 {
 698         if( equivalent(local_session->get_inpoint(), position) &&
 699                 local_session->get_inpoint() >= 0 ) {
 700                 local_session->unset_inpoint();
 701         }
 702         else {
 703                 local_session->set_inpoint(align_to_frame(position, 0));
 704                 if( local_session->get_outpoint() <= local_session->get_inpoint() )
 705                         local_session->unset_outpoint();
 706         }
 707 }
 708
 709 void EDL::set_outpoint(double position)
 710 {
 711         if( equivalent(local_session->get_outpoint(), position) &&
 712                 local_session->get_outpoint() >= 0 ) {
 713                 local_session->unset_outpoint();
 714         }
 715         else {
 716                 local_session->set_outpoint(align_to_frame(position, 0));
 717                 if( local_session->get_inpoint() >= local_session->get_outpoint() )
 718                         local_session->unset_inpoint();
 719         }
 720 }
 721
 722 void EDL::unset_inoutpoint()
 723 {
 724         local_session->unset_inpoint();
 725         local_session->unset_outpoint();
 726 }
 727
 728 int EDL::blade(double position)
 729 {
 730         return tracks->blade(position);
 731 }
 732
 733 int EDL::clear(double start, double end,
 734         int clear_labels, int clear_plugins, int edit_autos)
 735 {
 736         if( start == end ) {
 737                 double distance = 0;
 738                 tracks->clear_handle(start,
 739                         end,
 740                         distance,
 741                         clear_labels,
 742                         clear_plugins,
 743                         edit_autos);
 744                 if( clear_labels && distance > 0 )
 745                         labels->paste_silence(start,
 746                                 start + distance);
 747         }
 748         else {
 749                 tracks->clear(start,
 750                         end,
 751                         clear_plugins,
 752                         edit_autos);
 753                 if( clear_labels )
 754                         labels->clear(start,
 755                                 end,
 756                                 1);
 757         }
 758
 759 // Need to put at beginning so a subsequent paste operation starts at the
 760 // right position.
 761         double position = local_session->get_selectionstart();
 762         local_session->set_selectionend(position);
 763         local_session->set_selectionstart(position);
 764         return 0;
 765 }
 766
 767 void EDL::modify_edithandles(double oldposition,
 768         double newposition,
 769         int currentend,
 770         int handle_mode,
 771         int edit_labels,
 772         int edit_plugins,
 773         int edit_autos)
 774 {
 775         tracks->modify_edithandles(oldposition,
 776                 newposition,
 777                 currentend,
 778                 handle_mode,
 779                 edit_labels,
 780                 edit_plugins,
 781                 edit_autos);
 782         labels->modify_handles(oldposition,
 783                 newposition,
 784                 currentend,
 785                 handle_mode,
 786                 edit_labels);
 787 }
 788
 789 void EDL::modify_pluginhandles(double oldposition,
 790         double newposition,
 791         int currentend,
 792         int handle_mode,
 793         int edit_labels,
 794         int edit_autos,
 795         Edits *trim_edits)
 796 {
 797         tracks->modify_pluginhandles(oldposition,
 798                 newposition,
 799                 currentend,
 800                 handle_mode,
 801                 edit_labels,
 802                 edit_autos,
 803                 trim_edits);
 804         optimize();
 805 }
 806
 807 void EDL::paste_silence(double start,
 808         double end,
 809         int edit_labels,
 810         int edit_plugins,
 811         int edit_autos)
 812 {
 813         if( edit_labels )
 814                 labels->paste_silence(start, end);
 815         tracks->paste_silence(start,
 816                 end,
 817                 edit_plugins,
 818                 edit_autos);
 819 }
 820
 821
 822 void EDL::remove_from_project(ArrayList<EDL*> *clips)
 823 {
 824         for( int i=0; i<clips->size(); ++i ) {
 825                 this->clips.remove_clip(clips->get(i));
 826         }
 827 }
 828
 829 void EDL::remove_from_project(ArrayList<Indexable*> *assets)
 830 {
 831 // Remove from clips
 832         if( !parent_edl )
 833                 for( int j=0; j<clips.size(); ++j ) {
 834                         clips[j]->remove_from_project(assets);
 835                 }
 836
 837 // Remove from VWindow EDLs
 838         for( int i=0; i<total_vwindow_edls(); ++i )
 839                 get_vwindow_edl(i)->remove_from_project(assets);
 840
 841         for( int i=0; i<assets->size(); ++i ) {
 842 // Remove from tracks
 843                 for( Track *track=tracks->first; track; track=track->next ) {
 844                         track->remove_asset(assets->get(i));
 845                 }
 846
 847 // Remove from assets
 848                 if( !parent_edl && assets->get(i)->is_asset ) {
 849                         this->assets->remove_asset((Asset*)assets->get(i));
 850                 }
 851                 else
 852                 if( !parent_edl && !assets->get(i)->is_asset ) {
 853                         this->nested_edls.remove_clip((EDL*)assets->get(i));
 854                 }
 855         }
 856 }
 857
 858 void EDL::update_assets(EDL *src)
 859 {
 860         for( Asset *current=src->assets->first; current; current=NEXT ) {
 861                 assets->update(current);
 862         }
 863 }
 864
 865 int EDL::get_tracks_height(Theme *theme)
 866 {
 867         int total_pixels = 0;
 868         for( Track *current=tracks->first; current; current=NEXT ) {
 869                 total_pixels += current->vertical_span(theme);
 870         }
 871         return total_pixels;
 872 }
 873
 874 int64_t EDL::get_tracks_width()
 875 {
 876         int64_t total_pixels = 0;
 877         for( Track *current=tracks->first; current; current=NEXT ) {
 878                 int64_t pixels = current->horizontal_span();
 879                 if( pixels > total_pixels ) total_pixels = pixels;
 880         }
 881 //printf("EDL::get_tracks_width %d\n", total_pixels);
 882         return total_pixels;
 883 }
 884
 885 // int EDL::calculate_output_w(int single_channel)
 886 // {
 887 //      if( single_channel ) return session->output_w;
 888 //
 889 //      int widest = 0;
 890 //      for( int i=0; i<session->video_channels; ++i )
 891 //      {
 892 //              if( session->vchannel_x[i] + session->output_w > widest ) widest = session->vchannel_x[i] + session->output_w;
 893 //      }
 894 //      return widest;
 895 // }
 896 //
 897 // int EDL::calculate_output_h(int single_channel)
 898 // {
 899 //      if( single_channel ) return session->output_h;
 900 //
 901 //      int tallest = 0;
 902 //      for( int i=0; i<session->video_channels; ++i )
 903 //      {
 904 //              if( session->vchannel_y[i] + session->output_h > tallest ) tallest = session->vchannel_y[i] + session->output_h;
 905 //      }
 906 //      return tallest;
 907 // }
 908
 909 // Get the total output size scaled to aspect ratio
 910 void EDL::calculate_conformed_dimensions(int single_channel, float &w, float &h)
 911 {
 912         if( (float)session->output_w / session->output_h > get_aspect_ratio() )
 913                 h = (w = session->output_w) / get_aspect_ratio();
 914         else
 915                 w = (h = session->output_h) * get_aspect_ratio();
 916 }
 917
 918 float EDL::get_aspect_ratio()
 919 {
 920         return session->aspect_w / session->aspect_h;
 921 }
 922
 923 int EDL::dump(FILE *fp)
 924 {
 925         if( parent_edl )
 926                 fprintf(fp,"CLIP\n");
 927         else
 928                 fprintf(fp,"EDL\n");
 929         fprintf(fp,"  clip_title: %s\n"
 930                 "  parent_edl: %p\n", local_session->clip_title, parent_edl);
 931         fprintf(fp,"  selectionstart %f\n  selectionend %f\n  loop_start %f\n  loop_end %f\n",
 932                 local_session->get_selectionstart(1),
 933                 local_session->get_selectionend(1),
 934                 local_session->loop_start,
 935                 local_session->loop_end);
 936         for( int i=0; i<TOTAL_PANES; ++i ) {
 937                 fprintf(fp,"  pane %d view_start=%jd track_start=%d\n", i,
 938                         local_session->view_start[i],
 939                         local_session->track_start[i]);
 940         }
 941
 942         if( !parent_edl ) {
 943                 fprintf(fp,"audio_channels: %d audio_tracks: %d sample_rate: %jd\n",
 944                         session->audio_channels,
 945                         session->audio_tracks,
 946                         session->sample_rate);
 947                 fprintf(fp,"  video_channels: %d\n"
 948                         "  video_tracks: %d\n"
 949                         "  frame_rate: %.2f\n"
 950                         "  frames_per_foot: %.2f\n"
 951                         "  output_w: %d\n"
 952                         "  output_h: %d\n"
 953                         "  aspect_w: %f\n"
 954                         "  aspect_h: %f\n"
 955                         "  color_model: %d\n",
 956                                 session->video_channels,
 957                                 session->video_tracks,
 958                                 session->frame_rate,
 959                                 session->frames_per_foot,
 960                                 session->output_w,
 961                                 session->output_h,
 962                                 session->aspect_w,
 963                                 session->aspect_h,
 964                                 session->color_model);
 965
 966                 fprintf(fp," CLIPS");
 967                 fprintf(fp,"  total: %d\n", clips.size());
 968                 for( int i=0; i<clips.size(); ++i ) {
 969                         fprintf(fp,"\n\n");
 970                         clips[i]->dump(fp);
 971                         fprintf(fp,"\n\n");
 972                 }
 973                 fprintf(fp," NESTED_EDLS");
 974                 fprintf(fp,"  total: %d\n", nested_edls.size());
 975                 for( int i=0; i<nested_edls.size(); ++i )
 976                         fprintf(fp,"   %s\n", nested_edls[i]->path);
 977
 978                 fprintf(fp," VWINDOW EDLS");
 979                 fprintf(fp,"  total: %d\n", total_vwindow_edls());
 980
 981                 for( int i=0; i<total_vwindow_edls(); ++i ) {
 982                         fprintf(fp,"   %s\n", get_vwindow_edl(i)->local_session->clip_title);
 983                 }
 984
 985                 fprintf(fp," ASSETS\n");
 986                 assets->dump(fp);
 987         }
 988         fprintf(fp," LABELS\n");
 989         labels->dump(fp);
 990         fprintf(fp," TRACKS\n");
 991         tracks->dump(fp);
 992 //printf("EDL::dump 2\n");
 993         return 0;
 994 }
 995
 996 EDL* EDL::add_clip(EDL *edl)
 997 {
 998 // Copy argument.  New edls are deleted from MWindow::load_filenames.
 999         EDL *new_edl = new EDL(this);
1000         new_edl->create_objects();
1001         new_edl->copy_all(edl);
1002         clips.append(new_edl);
1003         return new_edl;
1004 }
1005
1006 void EDL::insert_asset(Asset *asset,
1007         EDL *nested_edl,
1008         double position,
1009         Track *first_track,
1010         RecordLabels *labels)
1011 {
1012 // Insert asset into asset table
1013         Asset *new_asset = 0;
1014         EDL *new_nested_edl = 0;
1015
1016         if( asset ) new_asset = assets->update(asset);
1017         if( nested_edl ) new_nested_edl = nested_edls.get_copy(nested_edl);
1018
1019 // Paste video
1020         int vtrack = 0;
1021         Track *current = first_track ? first_track : tracks->first;
1022
1023
1024 // Fix length of single frame
1025         double length = 0.;
1026         int layers = 0;
1027         int channels = 0;
1028
1029         if( new_nested_edl ) {
1030                 length = new_nested_edl->tracks->total_length();
1031                 layers = 1;
1032                 channels = new_nested_edl->session->audio_channels;
1033         }
1034
1035         if( new_asset ) {
1036 // Insert 1 frame for undefined length
1037                 if( new_asset->video_length < 0 ) {
1038                         length = session->si_useduration ?
1039                                 session->si_duration :
1040                                 1.0 / session->frame_rate;
1041                 }
1042                 else {
1043                         length = new_asset->frame_rate > 0 ?
1044                                 (double)new_asset->video_length / new_asset->frame_rate :
1045                                 1.0 / session->frame_rate;
1046                 }
1047                 layers = new_asset->layers;
1048                 channels = new_asset->channels;
1049         }
1050
1051         for( ; current && vtrack<layers; current=NEXT ) {
1052                 if( !current->record || current->data_type != TRACK_VIDEO ) continue;
1053                 current->insert_asset(new_asset, new_nested_edl,
1054                         length, position, vtrack++);
1055         }
1056
1057         int atrack = 0;
1058         if( new_asset ) {
1059                 if( new_asset->audio_length < 0 ) {
1060 // Insert 1 frame for undefined length & video
1061                         if( new_asset->video_data )
1062                                 length = (double)1.0 / new_asset->frame_rate;
1063                         else
1064 // Insert 1 second for undefined length & no video
1065                                 length = 1.0;
1066                 }
1067                 else
1068                         length = (double)new_asset->audio_length /
1069                                         new_asset->sample_rate;
1070         }
1071
1072         current = tracks->first;
1073         for( ; current && atrack < channels; current=NEXT ) {
1074                 if( !current->record || current->data_type != TRACK_AUDIO ) continue;
1075                 current->insert_asset(new_asset, new_nested_edl,
1076                         length, position, atrack++);
1077         }
1078
1079 // Insert labels from a recording window.
1080         if( labels ) {
1081                 for( RecordLabel *label=labels->first; label; label=label->next ) {
1082                         this->labels->toggle_label(label->position, label->position);
1083                 }
1084         }
1085 }
1086
1087
1088
1089 void EDL::set_index_file(Indexable *indexable)
1090 {
1091         if( indexable->is_asset )
1092                 assets->update_index((Asset*)indexable);
1093         else
1094                 nested_edls.update_index((EDL*)indexable);
1095 }
1096
1097 void EDL::optimize()
1098 {
1099 //printf("EDL::optimize 1\n");
1100         if( local_session->preview_start < 0 ) local_session->preview_start = 0;
1101         double length = tracks->total_length();
1102         if( local_session->preview_end > length ) local_session->preview_end = length;
1103         if( local_session->preview_start >= local_session->preview_end  ) {
1104                 local_session->preview_start = 0;
1105                 local_session->preview_end = length;
1106         }
1107         for( Track *current=tracks->first; current; current=NEXT )
1108                 current->optimize();
1109 }
1110
1111 int EDL::next_id()
1112 {
1113         static Mutex id_lock;
1114         id_lock.lock("EDL::next_id");
1115         int result = EDLSession::current_id++;
1116         id_lock.unlock();
1117         return result;
1118 }
1119
1120 void EDL::get_shared_plugins(Track *source,
1121         ArrayList<SharedLocation*> *plugin_locations,
1122         int omit_recordable,
1123         int data_type)
1124 {
1125         for( Track *track=tracks->first; track; track=track->next ) {
1126                 if( track->record && omit_recordable ) continue;
1127                 if( track == source || track->data_type != data_type ) continue;
1128                 for( int i=0; i<track->plugin_set.size(); ++i ) {
1129                         Plugin *plugin = track->get_current_plugin(
1130                                 local_session->get_selectionstart(1),
1131                                 i, PLAY_FORWARD, 1, 0);
1132                         if( plugin && plugin->plugin_type != PLUGIN_STANDALONE ) continue;
1133                         plugin_locations->append(new SharedLocation(tracks->number_of(track), i));
1134                 }
1135         }
1136 }
1137
1138 void EDL::get_shared_tracks(Track *track,
1139         ArrayList<SharedLocation*> *module_locations,
1140         int omit_recordable, int data_type)
1141 {
1142         for( Track *current=tracks->first; current; current=NEXT ) {
1143                 if( omit_recordable && current->record ) continue;
1144                 if( current == track || current->data_type != data_type ) continue;
1145                 module_locations->append(new SharedLocation(tracks->number_of(current), 0));
1146         }
1147 }
1148
1149 // aligned frame time
1150 double EDL::frame_align(double position, int round)
1151 {
1152         double frame_pos = position * session->frame_rate;
1153         frame_pos = (int64_t)(frame_pos + (round ? 0.5 : 1e-6));
1154         position = frame_pos / session->frame_rate;
1155         return position;
1156 }
1157
1158 // Convert position to frames if alignment is enabled.
1159 double EDL::align_to_frame(double position, int round)
1160 {
1161         if( session->cursor_on_frames )
1162                 position = frame_align(position, round);
1163         return position;
1164 }
1165
1166
1167 void EDL::new_folder(const char *folder)
1168 {
1169         for( int i=0; i<folders.size(); ++i )
1170                 if( !strcasecmp(folders[i], folder) ) return;
1171         folders.append(cstrdup(folder));
1172 }
1173
1174 void EDL::delete_folder(const char *folder)
1175 {
1176         int i = folders.size();
1177         while( --i >= 0 && strcasecmp(folders[i], folder) );
1178         if( i >= 0 ) folders.remove_number(i);
1179 }
1180
1181 int EDL::get_use_vconsole(VEdit* *playable_edit,
1182         int64_t position, int direction, PlayableTracks *playable_tracks)
1183 {
1184         int share_playable_tracks = 1;
1185         int result = 0;
1186         VTrack *playable_track = 0;
1187         const int debug = 0;
1188         *playable_edit = 0;
1189
1190 // Calculate playable tracks when being called as a nested EDL
1191         if( !playable_tracks ) {
1192                 share_playable_tracks = 0;
1193                 playable_tracks = new PlayableTracks(this,
1194                         position, direction, TRACK_VIDEO, 1);
1195         }
1196
1197
1198 // Total number of playable tracks is 1
1199         if( playable_tracks->size() != 1 ) {
1200                 result = 1;
1201         }
1202         else {
1203                 playable_track = (VTrack*)playable_tracks->get(0);
1204         }
1205
1206 // Don't need playable tracks anymore
1207         if( !share_playable_tracks ) {
1208                 delete playable_tracks;
1209         }
1210
1211 if( debug ) printf("EDL::get_use_vconsole %d playable_tracks->size()=%d\n",
1212  __LINE__, playable_tracks->size());
1213         if( result ) return 1;
1214
1215
1216 // Test mutual conditions between direct copy rendering and this.
1217         if( !playable_track->direct_copy_possible(position,
1218                 direction,
1219                 1) )
1220                 return 1;
1221 if( debug ) printf("EDL::get_use_vconsole %d\n", __LINE__);
1222
1223         *playable_edit = (VEdit*)playable_track->edits->editof(position,
1224                 direction, 0);
1225 // No edit at current location
1226         if( !*playable_edit ) return 1;
1227 if( debug ) printf("EDL::get_use_vconsole %d\n", __LINE__);
1228
1229
1230 // Edit is nested EDL
1231         if( (*playable_edit)->nested_edl ) {
1232 // Test nested EDL
1233                 EDL *nested_edl = (*playable_edit)->nested_edl;
1234                 int64_t nested_position = (int64_t)((position -
1235                                 (*playable_edit)->startproject +
1236                                 (*playable_edit)->startsource) *
1237                         nested_edl->session->frame_rate /
1238                         session->frame_rate);
1239
1240
1241                 VEdit *playable_edit_temp = 0;
1242                 if( session->output_w != nested_edl->session->output_w ||
1243                         session->output_h != nested_edl->session->output_h ||
1244                         nested_edl->get_use_vconsole(&playable_edit_temp,
1245                                 nested_position,
1246                                 direction,
1247                                 0) )
1248                         return 1;
1249
1250                 return 0;
1251         }
1252
1253 if( debug ) printf("EDL::get_use_vconsole %d\n", __LINE__);
1254 // Edit is not a nested EDL
1255         Asset *asset = (*playable_edit)->asset;
1256 // Edit is silence
1257         if( !asset ) return 1;
1258 if( debug ) printf("EDL::get_use_vconsole %d\n", __LINE__);
1259
1260 // Asset and output device must have the same dimensions
1261         if( asset->width != session->output_w ||
1262             asset->height != session->output_h )
1263                 return 1;
1264
1265
1266 if( debug ) printf("EDL::get_use_vconsole %d\n", __LINE__);
1267 // Asset and output device must have same resulting de-interlacing method
1268         if( ilaceautofixmethod2(session->interlace_mode,
1269             asset->interlace_autofixoption, asset->interlace_mode,
1270             asset->interlace_fixmethod) != ILACE_FIXMETHOD_NONE )
1271                 return 1;
1272
1273 // If we get here the frame is going to be directly copied.  Whether it is
1274 // decompressed in hardware depends on the colormodel.
1275         return 0;
1276 }
1277
1278
1279 // For Indexable
1280 int EDL::get_audio_channels()
1281 {
1282         return session->audio_channels;
1283 }
1284
1285 int EDL::get_sample_rate()
1286 {
1287         return session->sample_rate;
1288 }
1289
1290 int64_t EDL::get_audio_samples()
1291 {
1292         return (int64_t)(tracks->total_length() *
1293                 session->sample_rate);
1294 }
1295
1296 int EDL::have_audio()
1297 {
1298         return 1;
1299 }
1300
1301 int EDL::have_video()
1302 {
1303         return 1;
1304 }
1305
1306
1307 int EDL::get_w()
1308 {
1309         return session->output_w;
1310 }
1311
1312 int EDL::get_h()
1313 {
1314         return session->output_h;
1315 }
1316
1317 double EDL::get_frame_rate()
1318 {
1319         return session->frame_rate;
1320 }
1321
1322 int EDL::get_video_layers()
1323 {
1324         return 1;
1325 }
1326
1327 int64_t EDL::get_video_frames()
1328 {
1329         return (int64_t)(tracks->total_length() *
1330                 session->frame_rate);
1331 }
1332
1333
1334 void EDL::remove_vwindow_edls()
1335 {
1336         for( int i=0; i<total_vwindow_edls(); ++i ) {
1337                 get_vwindow_edl(i)->remove_user();
1338         }
1339         vwindow_edls.remove_all();
1340 }
1341
1342 void EDL::remove_vwindow_edl(EDL *edl)
1343 {
1344         if( vwindow_edls.number_of(edl) >= 0 ) {
1345                 edl->remove_user();
1346                 vwindow_edls.remove(edl);
1347         }
1348 }
1349
1350
1351 EDL* EDL::get_vwindow_edl(int number)
1352 {
1353         return vwindow_edls.get(number);
1354 }
1355
1356 int EDL::total_vwindow_edls()
1357 {
1358         return vwindow_edls.size();
1359 }
1360
1361 void EDL::append_vwindow_edl(EDL *edl, int increase_counter)
1362 {
1363         if(vwindow_edls.number_of(edl) >= 0) return;
1364
1365         if(increase_counter) edl->add_user();
1366         vwindow_edls.append(edl);
1367 }
1368
1369
1370 double EDL::next_edit(double position)
1371 {
1372         Units::fix_double(&position);
1373         double new_position = tracks->total_length();
1374
1375         double max_rate = get_frame_rate();
1376         int sample_rate = get_sample_rate();
1377         if( sample_rate > max_rate ) max_rate = sample_rate;
1378         double min_movement = max_rate > 0 ? 1. / max_rate : 1e-6;
1379
1380 // Test for edit handles after position
1381         for( Track *track=tracks->first; track; track=track->next ) {
1382                 if( !track->record ) continue;
1383                 for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
1384                         double edit_end = track->from_units(edit->startproject + edit->length);
1385                         Units::fix_double(&edit_end);
1386                         if( fabs(edit_end-position) < min_movement ) continue;
1387                         if( edit_end > position && edit_end < new_position )
1388                                 new_position = edit_end;
1389                 }
1390         }
1391         return new_position;
1392 }
1393
1394 double EDL::prev_edit(double position)
1395 {
1396         Units::fix_double(&position);
1397         double new_position = -1;
1398
1399         double max_rate = get_frame_rate();
1400         int sample_rate = get_sample_rate();
1401         if( sample_rate > max_rate ) max_rate = sample_rate;
1402         double min_movement = max_rate > 0 ? 1. / max_rate : 1e-6;
1403
1404 // Test for edit handles before cursor position
1405         for( Track *track=tracks->first; track; track=track->next ) {
1406                 if( !track->record ) continue;
1407                 for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
1408                         double edit_end = track->from_units(edit->startproject);
1409                         Units::fix_double(&edit_end);
1410                         if( fabs(edit_end-position) < min_movement ) continue;
1411                         if( edit_end < position && edit_end > new_position )
1412                                 new_position = edit_end;
1413                 }
1414         }
1415         return new_position;
1416 }
1417