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.h"
  28 #include "bccmodels.h"
  29 #include "bchash.h"
  30 #include "bcsignals.h"
  31 #include "clip.h"
  32 #include "cstrdup.h"
  33 #include "clipedls.h"
  34 #include "edits.h"
  35 #include "edl.h"
  36 #include "edlsession.h"
  37 #include "filexml.h"
  38 #include "floatauto.h"
  39 #include "floatautos.h"
  40 #include "guicast.h"
  41 #include "indexstate.h"
  42 #include "interlacemodes.h"
  43 #include "labels.h"
  44 #include "localsession.h"
  45 #include "maskautos.h"
  46 #include "mutex.h"
  47 #include "panauto.h"
  48 #include "panautos.h"
  49 #include "playbackconfig.h"
  50 #include "playabletracks.h"
  51 #include "plugin.h"
  52 #include "pluginset.h"
  53 #include "preferences.h"
  54 #include "recordconfig.h"
  55 #include "recordlabel.h"
  56 #include "sharedlocation.h"
  57 #include "theme.h"
  58 #include "tracks.h"
  59 #include "transportque.inc"
  60 #include "versioninfo.h"
  61 #include "vedit.h"
  62 #include "vtrack.h"
  63
  64
  65
  66
  67 EDL::EDL(EDL *parent_edl)
  68  : Indexable(0)
  69 {
  70         this->parent_edl = parent_edl;
  71         tracks = 0;
  72         labels = 0;
  73         local_session = 0;
  74         id = next_id();
  75         path[0] = 0;
  76 }
  77
  78
  79 EDL::~EDL()
  80 {
  81
  82         delete tracks;
  83         delete labels;
  84         delete local_session;
  85         remove_vwindow_edls();
  86         if( !parent_edl ) {
  87                 delete assets;
  88                 delete session;
  89         }
  90 }
  91
  92
  93 void EDL::create_objects()
  94 {
  95         tracks = new Tracks(this);
  96         assets = !parent_edl ? new Assets(this) : parent_edl->assets;
  97         session = !parent_edl ? new EDLSession(this) : parent_edl->session;
  98         local_session = new LocalSession(this);
  99         labels = new Labels(this, "LABELS");
 100 }
 101
 102 EDL& EDL::operator=(EDL &edl)
 103 {
 104 printf("EDL::operator= 1\n");
 105         copy_all(&edl);
 106         return *this;
 107 }
 108
 109 int EDL::load_defaults(BC_Hash *defaults)
 110 {
 111         if( !parent_edl )
 112                 session->load_defaults(defaults);
 113
 114         local_session->load_defaults(defaults);
 115         return 0;
 116 }
 117
 118 int EDL::save_defaults(BC_Hash *defaults)
 119 {
 120         if( !parent_edl )
 121                 session->save_defaults(defaults);
 122
 123         local_session->save_defaults(defaults);
 124         return 0;
 125 }
 126
 127 void EDL::boundaries()
 128 {
 129         session->boundaries();
 130         local_session->boundaries();
 131 }
 132
 133 int EDL::create_default_tracks()
 134 {
 135
 136         for( int i=0; i<session->video_tracks; ++i ) {
 137                 tracks->add_video_track(0, 0);
 138         }
 139         for( int i=0; i<session->audio_tracks; ++i ) {
 140                 tracks->add_audio_track(0, 0);
 141         }
 142         return 0;
 143 }
 144
 145 int EDL::load_xml(FileXML *file, uint32_t load_flags)
 146 {
 147         int result = 0;
 148         folders.clear();
 149
 150         if( (load_flags & LOAD_ALL) == LOAD_ALL ) {
 151                 remove_vwindow_edls();
 152         }
 153
 154
 155 // Search for start of master EDL.
 156
 157 // The parent_edl test caused clip creation to fail since those XML files
 158 // contained an EDL tag.
 159
 160 // The parent_edl test is required to make EDL loading work because
 161 // when loading an EDL the EDL tag is already read by the parent.
 162
 163         if( !parent_edl ) {
 164                 do {
 165                   result = file->read_tag();
 166                 } while(!result &&
 167                         !file->tag.title_is("XML") &&
 168                         !file->tag.title_is("EDL"));
 169         }
 170         return result ? result : read_xml(file, load_flags);
 171 }
 172
 173 int EDL::read_xml(FileXML *file, uint32_t load_flags)
 174 {
 175         int result = 0;
 176 // Track numbering offset for replacing undo data.
 177         int track_offset = 0;
 178
 179 // Get path for backups
 180         file->tag.get_property("path", path);
 181
 182 // Erase everything
 183         if( (load_flags & LOAD_ALL) == LOAD_ALL ||
 184                 (load_flags & LOAD_EDITS) == LOAD_EDITS ) {
 185                 while(tracks->last) delete tracks->last;
 186         }
 187
 188         if( (load_flags & LOAD_ALL) == LOAD_ALL ) {
 189                 clips.clear();
 190                 mixers.remove_all_objects();
 191         }
 192
 193         if( load_flags & LOAD_TIMEBAR ) {
 194                 while(labels->last) delete labels->last;
 195                 local_session->unset_inpoint();
 196                 local_session->unset_outpoint();
 197         }
 198
 199 // This was originally in LocalSession::load_xml
 200         if( load_flags & LOAD_SESSION ) {
 201                 local_session->clipboard_length = 0;
 202         }
 203
 204         do {
 205                 result = file->read_tag();
 206
 207                 if( !result ) {
 208                         if( file->tag.title_is("/XML") ||
 209                                 file->tag.title_is("/EDL") ||
 210                                 file->tag.title_is("/CLIP_EDL") ||
 211                                 file->tag.title_is("/NESTED_EDL") ||
 212                                 file->tag.title_is("/VWINDOW_EDL") ) {
 213                                 result = 1;
 214                         }
 215                         else
 216                         if( file->tag.title_is("CLIPBOARD") ) {
 217                                 local_session->clipboard_length =
 218                                         file->tag.get_property("LENGTH", (double)0);
 219                         }
 220                         else
 221                         if( file->tag.title_is("VIDEO") ) {
 222                                 if( (load_flags & LOAD_VCONFIG) &&
 223                                         (load_flags & LOAD_SESSION) )
 224                                         session->load_video_config(file, 0, load_flags);
 225                                 else
 226                                         result = file->skip_tag();
 227                         }
 228                         else
 229                         if( file->tag.title_is("AUDIO") ) {
 230                                 if( (load_flags & LOAD_ACONFIG) &&
 231                                         (load_flags & LOAD_SESSION) )
 232                                         session->load_audio_config(file, 0, load_flags);
 233                                 else
 234                                         result = file->skip_tag();
 235                         }
 236                         else
 237                         if( file->tag.title_is("FOLDERS") ) {
 238                                 result = folders.load_xml(file);
 239                         }
 240                         else
 241                         if( file->tag.title_is("MIXERS") ) {
 242                                 if( (load_flags & LOAD_SESSION) )
 243                                         mixers.load(file);
 244                                 else
 245                                         result = file->skip_tag();
 246                         }
 247                         else
 248                         if( file->tag.title_is("ASSETS") ) {
 249                                 if( load_flags & LOAD_ASSETS )
 250                                         assets->load(file, load_flags);
 251                                 else
 252                                         result = file->skip_tag();
 253                         }
 254                         else
 255                         if( file->tag.title_is(labels->xml_tag) ) {
 256                                 if( load_flags & LOAD_TIMEBAR )
 257                                         labels->load(file, load_flags);
 258                                 else
 259                                         result = file->skip_tag();
 260                         }
 261                         else
 262                         if( file->tag.title_is("LOCALSESSION") ) {
 263                                 if( (load_flags & LOAD_SESSION) ||
 264                                         (load_flags & LOAD_TIMEBAR) )
 265                                         local_session->load_xml(file, load_flags);
 266                                 else
 267                                         result = file->skip_tag();
 268                         }
 269                         else
 270                         if( file->tag.title_is("SESSION") ) {
 271                                 if( (load_flags & LOAD_SESSION) &&
 272                                         !parent_edl )
 273                                         session->load_xml(file, 0, load_flags);
 274                                 else
 275                                         result = file->skip_tag();
 276                         }
 277                         else
 278                         if( file->tag.title_is("TRACK") ) {
 279                                 tracks->load(file, track_offset, load_flags);
 280                         }
 281                         else
 282 // Sub EDL.
 283 // Causes clip creation to fail because that involves an opening EDL tag.
 284                         if( file->tag.title_is("CLIP_EDL") && !parent_edl ) {
 285                                 EDL *new_edl = new EDL(this);
 286                                 new_edl->create_objects();
 287                                 new_edl->read_xml(file, LOAD_ALL);
 288                                 if( (load_flags & LOAD_ALL) == LOAD_ALL )
 289                                         clips.add_clip(new_edl);
 290                                 new_edl->remove_user();
 291                         }
 292                         else
 293                         if( file->tag.title_is("NESTED_EDL") ) {
 294                                 EDL *nested_edl = new EDL;
 295                                 nested_edl->create_objects();
 296                                 nested_edl->read_xml(file, LOAD_ALL);
 297                                 if( (load_flags & LOAD_ALL) == LOAD_ALL )
 298                                         nested_edls.get_nested(nested_edl);
 299                                 nested_edl->remove_user();
 300                         }
 301                         else
 302                         if( file->tag.title_is("VWINDOW_EDL") && !parent_edl ) {
 303                                 EDL *new_edl = new EDL(this);
 304                                 new_edl->create_objects();
 305                                 new_edl->read_xml(file, LOAD_ALL);
 306
 307
 308                                 if( (load_flags & LOAD_ALL) == LOAD_ALL ) {
 309 //                                              if( vwindow_edl && !vwindow_edl_shared )
 310 //                                                      vwindow_edl->remove_user();
 311 //                                              vwindow_edl_shared = 0;
 312 //                                              vwindow_edl = new_edl;
 313
 314                                         append_vwindow_edl(new_edl, 0);
 315
 316                                 }
 317                                 else
 318 // Discard if not replacing EDL
 319                                 {
 320                                         new_edl->remove_user();
 321                                         new_edl = 0;
 322                                 }
 323                         }
 324                 }
 325         } while(!result);
 326
 327         boundaries();
 328 //dump();
 329
 330         return 0;
 331 }
 332
 333 // Output path is the path of the output file if name truncation is desired.
 334 // It is a "" if complete names should be used.
 335 // Called recursively by copy for clips, thus the string can't be terminated.
 336 // The string is not terminated in this call.
 337 int EDL::save_xml(FileXML *file, const char *output_path)
 338 {
 339         copy(1, file, output_path, 0);
 340         return 0;
 341 }
 342
 343 int EDL::copy_all(EDL *edl)
 344 {
 345         if( this == edl ) return 0;
 346         folder_no = edl->folder_no;
 347         update_index(edl);
 348         copy_session(edl);
 349         copy_assets(edl);
 350         copy_clips(edl);
 351         copy_nested(edl);
 352         copy_mixers(edl);
 353         tracks->copy_from(edl->tracks);
 354         labels->copy_from(edl->labels);
 355         return 0;
 356 }
 357
 358 void EDL::copy_clips(EDL *edl)
 359 {
 360         if( this == edl ) return;
 361
 362         remove_vwindow_edls();
 363
 364 //      if( vwindow_edl && !vwindow_edl_shared )
 365 //              vwindow_edl->remove_user();
 366 //      vwindow_edl = 0;
 367 //      vwindow_edl_shared = 0;
 368
 369         for( int i=0; i<edl->total_vwindow_edls(); ++i ) {
 370                 EDL *new_edl = new EDL(this);
 371                 new_edl->create_objects();
 372                 new_edl->copy_all(edl->get_vwindow_edl(i));
 373                 append_vwindow_edl(new_edl, 0);
 374         }
 375
 376         clips.clear();
 377         for( int i=0; i<edl->clips.size(); ++i ) add_clip(edl->clips[i]);
 378 }
 379
 380 void EDL::copy_nested(EDL *edl)
 381 {
 382         if( this == edl ) return;
 383         nested_edls.copy_nested(edl->nested_edls);
 384 }
 385
 386 void EDL::copy_assets(EDL *edl)
 387 {
 388         if( this == edl ) return;
 389
 390         if( !parent_edl ) {
 391                 assets->copy_from(edl->assets);
 392         }
 393 }
 394
 395 void EDL::copy_mixers(EDL *edl)
 396 {
 397         if( this == edl ) return;
 398         mixers.copy_from(edl->mixers);
 399 }
 400
 401 void EDL::copy_session(EDL *edl, int session_only)
 402 {
 403         if( this == edl ) return;
 404
 405         if( !session_only ) {
 406                 strcpy(this->path, edl->path);
 407                 folders.copy_from(&edl->folders);
 408         }
 409
 410         if( !parent_edl ) {
 411                 session->copy(edl->session);
 412         }
 413
 414         if( session_only <= 0 ) {
 415                 local_session->copy_from(edl->local_session);
 416         }
 417 }
 418
 419 int EDL::copy_assets(double start,
 420         double end,
 421         FileXML *file,
 422         int all,
 423         const char *output_path)
 424 {
 425         ArrayList<Asset*> asset_list;
 426         Track* current;
 427
 428         file->tag.set_title("ASSETS");
 429         file->append_tag();
 430         file->append_newline();
 431
 432 // Copy everything for a save
 433         if( all ) {
 434                 for( Asset *asset=assets->first; asset; asset=asset->next ) {
 435                         asset_list.append(asset);
 436                 }
 437         }
 438         else {
 439 // Copy just the ones being used.
 440                 for( current = tracks->first; current; current = NEXT ) {
 441                         if( !current->record ) continue;
 442                         current->copy_assets(start, end, &asset_list);
 443                 }
 444         }
 445
 446 // Paths relativised here
 447         for( int i=0; i<asset_list.size(); ++i ) {
 448                 asset_list[i]->write(file, 0, output_path);
 449         }
 450
 451         file->tag.set_title("/ASSETS");
 452         file->append_tag();
 453         file->append_newline();
 454         file->append_newline();
 455         return 0;
 456 }
 457
 458
 459 int EDL::copy(double start, double end, int all,
 460         FileXML *file, const char *output_path, int rewind_it)
 461 {
 462         file->tag.set_title("EDL");
 463         file->tag.set_property("VERSION", CINELERRA_VERSION);
 464 // Save path for restoration of the project title from a backup.
 465         if( this->path[0] ) file->tag.set_property("PATH", path);
 466         return copy(start, end, all,
 467                 "/EDL", file, output_path, rewind_it);
 468 }
 469 int EDL::copy(int all, FileXML *file, const char *output_path, int rewind_it)
 470 {
 471         return copy(0, tracks->total_length(), all, file, output_path, rewind_it);
 472 }
 473
 474 int EDL::copy_clip(double start, double end, int all,
 475         FileXML *file, const char *output_path, int rewind_it)
 476 {
 477         file->tag.set_title("CLIP_EDL");
 478         return copy(start, end, all,
 479                 "/CLIP_EDL", file, output_path, rewind_it);
 480 }
 481 int EDL::copy_clip(int all, FileXML *file, const char *output_path, int rewind_it)
 482 {
 483         return copy_clip(0, tracks->total_length(), all, file, output_path, rewind_it);
 484 }
 485
 486 int EDL::copy_nested_edl(double start, double end, int all,
 487         FileXML *file, const char *output_path, int rewind_it)
 488 {
 489         file->tag.set_title("NESTED_EDL");
 490         if( this->path[0] ) file->tag.set_property("PATH", path);
 491         return copy(start, end, all,
 492                 "/NESTED_EDL", file, output_path, rewind_it);
 493 }
 494 int EDL::copy_nested_edl(int all, FileXML *file, const char *output_path, int rewind_it)
 495 {
 496         return copy_nested_edl(0, tracks->total_length(), all, file, output_path, rewind_it);
 497 }
 498
 499 int EDL::copy_vwindow_edl(double start, double end, int all,
 500         FileXML *file, const char *output_path, int rewind_it)
 501 {
 502         file->tag.set_title("VWINDOW_EDL");
 503         return copy(start, end, all,
 504                 "/VWINDOW_EDL", file, output_path, rewind_it);
 505 }
 506 int EDL::copy_vwindow_edl(int all, FileXML *file, const char *output_path, int rewind_it)
 507 {
 508         return copy_vwindow_edl(0, tracks->total_length(), all, file, output_path, rewind_it);
 509 }
 510
 511
 512 int EDL::copy(double start, double end, int all,
 513         const char *closer, FileXML *file,
 514         const char *output_path, int rewind_it)
 515 {
 516         file->append_tag();
 517         file->append_newline();
 518 // Set clipboard samples only if copying to clipboard
 519         if( !all ) {
 520                 file->tag.set_title("CLIPBOARD");
 521                 file->tag.set_property("LENGTH", end - start);
 522                 file->append_tag();
 523                 file->tag.set_title("/CLIPBOARD");
 524                 file->append_tag();
 525                 file->append_newline();
 526                 file->append_newline();
 527         }
 528 //printf("EDL::copy 1\n");
 529
 530 // Sessions
 531         local_session->save_xml(file, start);
 532
 533 //printf("EDL::copy 1\n");
 534
 535 // Top level stuff.
 536 //      if(!parent_edl)
 537         {
 538 // Need to copy all this from child EDL if pasting is desired.
 539 // Session
 540                 session->save_xml(file);
 541                 session->save_video_config(file);
 542                 session->save_audio_config(file);
 543                 folders.save_xml(file);
 544
 545                 if( !parent_edl )
 546                         copy_assets(start, end, file, all, output_path);
 547
 548                 for( int i=0; i<nested_edls.size(); ++i )
 549                         nested_edls[i]->copy_nested_edl(0, tracks->total_length(), 1,
 550                                 file, output_path, 0);
 551
 552 // Clips
 553 // Don't want this if using clipboard
 554                 if( all ) {
 555                         for( int i=0; i<total_vwindow_edls(); ++i )
 556                                 get_vwindow_edl(i)->copy_vwindow_edl(1, file, output_path, 0);
 557
 558                         for( int i=0; i<clips.size(); ++i )
 559                                 clips[i]->copy_clip(1, file, output_path, 0);
 560
 561                         mixers.save(file);
 562                 }
 563
 564                 file->append_newline();
 565                 file->append_newline();
 566         }
 567
 568         labels->copy(start, end, file);
 569         tracks->copy(start, end, all, file, output_path);
 570
 571 // terminate file
 572         file->tag.set_title(closer);
 573         file->append_tag();
 574         file->append_newline();
 575
 576 // For editing operations we want to rewind it for immediate pasting.
 577 // For clips and saving to disk leave it alone.
 578         if( rewind_it ) {
 579                 file->terminate_string();
 580                 file->rewind();
 581         }
 582         return 0;
 583 }
 584
 585 void EDL::copy_indexables(EDL *edl)
 586 {
 587         for( Track *track=edl->tracks->first; track; track=track->next ) {
 588                 for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
 589                         if( edit->asset )
 590                                 assets->update(edit->asset);
 591                         if( edit->nested_edl )
 592                                 nested_edls.get_nested(edit->nested_edl);
 593                 }
 594         }
 595 }
 596
 597 EDL *EDL::new_nested(EDL *edl, const char *path)
 598 {
 599         EDL *nested = new EDL;  // no parent for nested edl
 600         nested->create_objects();
 601         nested->copy_session(edl);
 602         nested->set_path(path);
 603         nested->update_index(edl);
 604         nested->copy_indexables(edl);
 605         nested->tracks->copy_from(edl->tracks);
 606         nested_edls.append(nested);
 607         return nested;
 608 }
 609
 610 EDL *EDL::create_nested_clip(EDL *nested)
 611 {
 612         EDL *new_edl = new EDL(this);  // parent for clip edl
 613         new_edl->create_objects();
 614         new_edl->create_nested(nested);
 615         return new_edl;
 616 }
 617
 618 void EDL::create_nested(EDL *nested)
 619 {
 620 // Keep frame rate, sample rate, and output size unchanged.
 621 // Nest all video & audio outputs
 622         session->video_tracks = 1;
 623         session->audio_tracks = nested->session->audio_channels;
 624         create_default_tracks();
 625         insert_asset(0, nested, 0, 0, 0);
 626 }
 627
 628 void EDL::retrack()
 629 {
 630         int min_w = session->output_w, min_h = session->output_h;
 631         for( Track *track=tracks->first; track!=0; track=track->next ) {
 632                 if( track->data_type != TRACK_VIDEO ) continue;
 633                 int w = min_w, h = min_h;
 634                 for( Edit *current=track->edits->first; current!=0; current=NEXT ) {
 635                         Indexable* indexable = current->get_source();
 636                         if( !indexable ) continue;
 637                         int edit_w = indexable->get_w(), edit_h = indexable->get_h();
 638                         if( w < edit_w ) w = edit_w;
 639                         if( h < edit_h ) h = edit_h;
 640                 }
 641                 if( track->track_w == w && track->track_h == h ) continue;
 642                 ((MaskAutos*)track->automation->autos[AUTOMATION_MASK])->
 643                         translate_masks( (w - track->track_w) / 2, (h - track->track_h) / 2);
 644                 track->track_w = w;  track->track_h = h;
 645         }
 646 }
 647
 648 void EDL::rechannel()
 649 {
 650         for( Track *current=tracks->first; current; current=NEXT ) {
 651                 if( current->data_type == TRACK_AUDIO ) {
 652                         PanAutos *autos = (PanAutos*)current->automation->autos[AUTOMATION_PAN];
 653                         ((PanAuto*)autos->default_auto)->rechannel();
 654                         for( PanAuto *keyframe = (PanAuto*)autos->first;
 655                              keyframe; keyframe = (PanAuto*)keyframe->next ) {
 656                                 keyframe->rechannel();
 657                         }
 658                 }
 659         }
 660 }
 661
 662 void EDL::resample(double old_rate, double new_rate, int data_type)
 663 {
 664         for( Track *current=tracks->first; current; current=NEXT ) {
 665                 if( current->data_type == data_type ) {
 666                         current->resample(old_rate, new_rate);
 667                 }
 668         }
 669 }
 670
 671
 672 void EDL::synchronize_params(EDL *edl)
 673 {
 674         local_session->synchronize_params(edl->local_session);
 675         for( Track *this_track=tracks->first, *that_track=edl->tracks->first;
 676              this_track && that_track;
 677              this_track=this_track->next, that_track=that_track->next ) {
 678                 this_track->synchronize_params(that_track);
 679         }
 680 }
 681
 682 int EDL::trim_selection(double start,
 683         double end,
 684         int edit_labels,
 685         int edit_plugins,
 686         int edit_autos)
 687 {
 688         if( start != end ) {
 689 // clear the data
 690                 clear(0,
 691                         start,
 692                         edit_labels,
 693                         edit_plugins,
 694                         edit_autos);
 695                 clear(end - start,
 696                         tracks->total_length(),
 697                         edit_labels,
 698                         edit_plugins,
 699                         edit_autos);
 700         }
 701         return 0;
 702 }
 703
 704
 705 int EDL::equivalent(double position1, double position2)
 706 {
 707         double threshold = session->cursor_on_frames ?
 708                 0.5 / session->frame_rate : 1.0 / session->sample_rate;
 709         return fabs(position2 - position1) < threshold ? 1 : 0;
 710 }
 711
 712 double EDL::equivalent_output(EDL *edl)
 713 {
 714         double result = -1;
 715         session->equivalent_output(edl->session, &result);
 716         tracks->equivalent_output(edl->tracks, &result);
 717         return result;
 718 }
 719
 720
 721 void EDL::set_path(const char *path)
 722 {
 723         if( &this->path[0] == path ) return;
 724         strcpy(this->path, path);
 725 }
 726
 727 void EDL::set_inpoint(double position)
 728 {
 729         if( equivalent(local_session->get_inpoint(), position) &&
 730                 local_session->get_inpoint() >= 0 ) {
 731                 local_session->unset_inpoint();
 732         }
 733         else {
 734                 local_session->set_inpoint(align_to_frame(position, 0));
 735                 if( local_session->get_outpoint() <= local_session->get_inpoint() )
 736                         local_session->unset_outpoint();
 737         }
 738 }
 739
 740 void EDL::set_outpoint(double position)
 741 {
 742         if( equivalent(local_session->get_outpoint(), position) &&
 743                 local_session->get_outpoint() >= 0 ) {
 744                 local_session->unset_outpoint();
 745         }
 746         else {
 747                 local_session->set_outpoint(align_to_frame(position, 0));
 748                 if( local_session->get_inpoint() >= local_session->get_outpoint() )
 749                         local_session->unset_inpoint();
 750         }
 751 }
 752
 753 void EDL::unset_inoutpoint()
 754 {
 755         local_session->unset_inpoint();
 756         local_session->unset_outpoint();
 757 }
 758
 759 int EDL::blade(double position)
 760 {
 761         return tracks->blade(position);
 762 }
 763
 764 int EDL::clear(double start, double end,
 765         int clear_labels, int clear_plugins, int edit_autos)
 766 {
 767         if( start == end ) {
 768                 double distance = 0;
 769                 tracks->clear_handle(start,
 770                         end,
 771                         distance,
 772                         clear_labels,
 773                         clear_plugins,
 774                         edit_autos);
 775                 if( clear_labels && distance > 0 )
 776                         labels->paste_silence(start,
 777                                 start + distance);
 778         }
 779         else {
 780                 tracks->clear(start,
 781                         end,
 782                         clear_plugins,
 783                         edit_autos);
 784                 if( clear_labels )
 785                         labels->clear(start,
 786                                 end,
 787                                 1);
 788         }
 789
 790 // Need to put at beginning so a subsequent paste operation starts at the
 791 // right position.
 792         double position = local_session->get_selectionstart();
 793         local_session->set_selectionend(position);
 794         local_session->set_selectionstart(position);
 795         return 0;
 796 }
 797
 798 static int dead_edit_cmp(Edit**ap, Edit**bp)
 799 {
 800         Edit *a = *ap, *b = *bp;
 801         if( a->track != b->track ) return 0;
 802         return a->startproject > b->startproject ? -1 : 1;
 803 }
 804
 805 void EDL::delete_edits(ArrayList<Edit*> *edits, int collapse)
 806 {
 807         edits->sort(dead_edit_cmp);
 808         if( session->labels_follow_edits )
 809                 delete_edit_labels(edits, collapse);
 810         for( int i=0; i<edits->size(); ++i ) {
 811                 Edit *edit = edits->get(i);
 812                 Track *track = edit->track;
 813                 int64_t start = edit->startproject;
 814                 int64_t length = edit->length;
 815                 int64_t end = start + length;
 816                 if( session->autos_follow_edits ) {
 817                         track->automation->clear(start, end, 0, collapse);
 818                 }
 819                 if( session->plugins_follow_edits ) {
 820                         for( int k=0; k<track->plugin_set.size(); ++k ) {
 821                                 PluginSet *plugin_set = track->plugin_set[k];
 822                                 plugin_set->clear(start, end, 1);
 823                                 if( !collapse )
 824                                         plugin_set->paste_silence(start, end);
 825                         }
 826                 }
 827                 Edit *dead_edit = edit;
 828                 if( collapse ) {
 829                         while( (edit=edit->next) )
 830                                 edit->startproject -= length;
 831                 }
 832                 delete dead_edit;
 833         }
 834 // optimize edits only.
 835 //  full optimize deletes pluginsets, mistargeting drag and drop
 836         for( Track *track=tracks->first; track; track=track->next )
 837                 track->edits->optimize();
 838 }
 839
 840 class Range {
 841 public:
 842         static int cmp(Range *ap, Range *bp);
 843         double start, end;
 844         bool operator ==(Range &that) { return this->start == that.start; }
 845         bool operator >(Range &that) { return this->start > that.start; }
 846 };
 847 int Range::cmp(Range *ap, Range *bp) {
 848         return ap->start < bp->start ? -1 : ap->start == bp->start ? 0 : 1;
 849 }
 850
 851 static void get_edit_regions(ArrayList<Edit*> *edits, ArrayList<Range> &regions)
 852 {
 853 // move edit inclusive labels by regions
 854         for( int i=0; i<edits->size(); ++i ) {
 855                 Edit *edit = edits->get(i);
 856                 double pos = edit->track->from_units(edit->startproject);
 857                 double end = edit->track->from_units(edit->startproject + edit->length);
 858                 int n = regions.size(), k = n;
 859                 while( --k >= 0 ) {
 860                         Range &range = regions[k];
 861                         if( pos >= range.end ) continue;
 862                         if( range.start >= end ) continue;
 863                         int expand = 0;
 864                         if( range.start > pos ) { range.start = pos;  expand = 1; }
 865                         if( range.end < end ) { range.end = end;  expand = 1; }
 866                         if( !expand ) break;
 867                         k = n;
 868                 }
 869                 if( k < 0 ) {
 870                         Range &range = regions.append();
 871                         range.start = pos;  range.end = end;
 872                 }
 873         }
 874         regions.sort(Range::cmp);
 875 }
 876
 877 void EDL::delete_edit_labels(ArrayList<Edit*> *edits, int collapse)
 878 {
 879         ArrayList<Range> regions;
 880         get_edit_regions(edits, regions);
 881         int n = regions.size(), k = n;
 882         while( --k >= 0 ) {
 883                 Range &range = regions[k];
 884                 labels->clear(range.start, range.end, collapse);
 885         }
 886 }
 887
 888 void EDL::move_edit_labels(ArrayList<Edit*> *edits, double dist)
 889 {
 890         ArrayList<Range> regions;
 891         get_edit_regions(edits, regions);
 892         int n = regions.size(), k = n;
 893         Labels moved(this, 0);
 894         while( --k >= 0 ) {
 895                 Range &range = regions[k];
 896                 Label *label = labels->label_of(range.start);
 897                 for( Label *next=0; label && label->position <= range.end; label=next ) {
 898                         next = label->next;
 899                         labels->remove_pointer(label);
 900                         label->position += dist;
 901                         moved.append(label);
 902                 }
 903                 Label *current = labels->first;
 904                 while( (label=moved.first) ) {
 905                         moved.remove_pointer(label);
 906                         while( current && current->position < label->position )
 907                                 current = current->next;
 908                         if( current && current->position == label->position ) {
 909                                 delete label;  continue;
 910                         }
 911                         labels->insert_before(current, label);
 912                 }
 913         }
 914 }
 915
 916
 917 void EDL::modify_edithandles(double oldposition, double newposition,
 918         int currentend, int handle_mode, int edit_labels,
 919         int edit_plugins, int edit_autos, int group_id)
 920 {
 921         tracks->modify_edithandles(oldposition, newposition,
 922                 currentend, handle_mode, edit_labels,
 923                 edit_plugins, edit_autos, group_id);
 924         labels->modify_handles(oldposition, newposition,
 925                 currentend, handle_mode, edit_labels);
 926 }
 927
 928 void EDL::modify_pluginhandles(double oldposition, double newposition,
 929         int currentend, int handle_mode, int edit_labels,
 930         int edit_autos, Edits *trim_edits)
 931 {
 932         tracks->modify_pluginhandles(oldposition, newposition,
 933                 currentend, handle_mode, edit_labels,
 934                 edit_autos, trim_edits);
 935         optimize();
 936 }
 937
 938 void EDL::paste_silence(double start, double end,
 939         int edit_labels, int edit_plugins, int edit_autos)
 940 {
 941         if( edit_labels )
 942                 labels->paste_silence(start, end);
 943         tracks->paste_silence(start, end, edit_plugins, edit_autos);
 944 }
 945
 946
 947 void EDL::remove_from_project(ArrayList<EDL*> *clips)
 948 {
 949         for( int i=0; i<clips->size(); ++i ) {
 950                 this->clips.remove_clip(clips->get(i));
 951         }
 952 }
 953
 954 void EDL::remove_from_project(ArrayList<Indexable*> *assets)
 955 {
 956 // Remove from clips
 957         if( !parent_edl )
 958                 for( int j=0; j<clips.size(); ++j ) {
 959                         clips[j]->remove_from_project(assets);
 960                 }
 961
 962 // Remove from VWindow EDLs
 963         for( int i=0; i<total_vwindow_edls(); ++i )
 964                 get_vwindow_edl(i)->remove_from_project(assets);
 965
 966         for( int i=0; i<assets->size(); ++i ) {
 967 // Remove from tracks
 968                 for( Track *track=tracks->first; track; track=track->next ) {
 969                         track->remove_asset(assets->get(i));
 970                 }
 971
 972 // Remove from assets
 973                 if( !parent_edl && assets->get(i)->is_asset ) {
 974                         this->assets->remove_asset((Asset*)assets->get(i));
 975                 }
 976                 else
 977                 if( !parent_edl && !assets->get(i)->is_asset ) {
 978                         this->nested_edls.remove_clip((EDL*)assets->get(i));
 979                 }
 980         }
 981 }
 982
 983 void EDL::update_assets(EDL *src)
 984 {
 985         for( Asset *current=src->assets->first; current; current=NEXT ) {
 986                 assets->update(current);
 987         }
 988 }
 989
 990 int EDL::get_tracks_height(Theme *theme)
 991 {
 992         int total_pixels = 0;
 993         for( Track *current=tracks->first; current; current=NEXT ) {
 994                 total_pixels += current->vertical_span(theme);
 995         }
 996         return total_pixels;
 997 }
 998
 999 int64_t EDL::get_tracks_width()
1000 {
1001         int64_t total_pixels = 0;
1002         for( Track *current=tracks->first; current; current=NEXT ) {
1003                 int64_t pixels = current->horizontal_span();
1004                 if( pixels > total_pixels ) total_pixels = pixels;
1005         }
1006 //printf("EDL::get_tracks_width %d\n", total_pixels);
1007         return total_pixels;
1008 }
1009
1010 // int EDL::calculate_output_w(int single_channel)
1011 // {
1012 //      if( single_channel ) return session->output_w;
1013 //
1014 //      int widest = 0;
1015 //      for( int i=0; i<session->video_channels; ++i )
1016 //      {
1017 //              if( session->vchannel_x[i] + session->output_w > widest ) widest = session->vchannel_x[i] + session->output_w;
1018 //      }
1019 //      return widest;
1020 // }
1021 //
1022 // int EDL::calculate_output_h(int single_channel)
1023 // {
1024 //      if( single_channel ) return session->output_h;
1025 //
1026 //      int tallest = 0;
1027 //      for( int i=0; i<session->video_channels; ++i )
1028 //      {
1029 //              if( session->vchannel_y[i] + session->output_h > tallest ) tallest = session->vchannel_y[i] + session->output_h;
1030 //      }
1031 //      return tallest;
1032 // }
1033
1034 // Get the total output size scaled to aspect ratio
1035 void EDL::calculate_conformed_dimensions(int single_channel, float &w, float &h)
1036 {
1037         if( (float)session->output_w / session->output_h > get_aspect_ratio() )
1038                 h = (w = session->output_w) / get_aspect_ratio();
1039         else
1040                 w = (h = session->output_h) * get_aspect_ratio();
1041 }
1042
1043 float EDL::get_aspect_ratio()
1044 {
1045         return session->aspect_w / session->aspect_h;
1046 }
1047
1048 int EDL::dump(FILE *fp)
1049 {
1050         if( parent_edl )
1051                 fprintf(fp,"CLIP\n");
1052         else
1053                 fprintf(fp,"EDL\n");
1054         fprintf(fp,"  clip_title: %s\n"
1055                 "  parent_edl: %p\n", local_session->clip_title, parent_edl);
1056         fprintf(fp,"  selectionstart %f\n  selectionend %f\n  loop_start %f\n  loop_end %f\n",
1057                 local_session->get_selectionstart(1),
1058                 local_session->get_selectionend(1),
1059                 local_session->loop_start,
1060                 local_session->loop_end);
1061         for( int i=0; i<TOTAL_PANES; ++i ) {
1062                 fprintf(fp,"  pane %d view_start=%jd track_start=%d\n", i,
1063                         local_session->view_start[i],
1064                         local_session->track_start[i]);
1065         }
1066
1067         if( !parent_edl ) {
1068                 fprintf(fp,"audio_channels: %d audio_tracks: %d sample_rate: %jd\n",
1069                         session->audio_channels,
1070                         session->audio_tracks,
1071                         session->sample_rate);
1072                 fprintf(fp,"  video_channels: %d\n"
1073                         "  video_tracks: %d\n"
1074                         "  frame_rate: %.2f\n"
1075                         "  frames_per_foot: %.2f\n"
1076                         "  output_w: %d\n"
1077                         "  output_h: %d\n"
1078                         "  aspect_w: %f\n"
1079                         "  aspect_h: %f\n"
1080                         "  color_model: %d\n",
1081                                 session->video_channels,
1082                                 session->video_tracks,
1083                                 session->frame_rate,
1084                                 session->frames_per_foot,
1085                                 session->output_w,
1086                                 session->output_h,
1087                                 session->aspect_w,
1088                                 session->aspect_h,
1089                                 session->color_model);
1090
1091                 fprintf(fp," CLIPS");
1092                 fprintf(fp,"  total: %d\n", clips.size());
1093                 for( int i=0; i<clips.size(); ++i ) {
1094                         fprintf(fp,"\n\n");
1095                         clips[i]->dump(fp);
1096                         fprintf(fp,"\n\n");
1097                 }
1098                 fprintf(fp," NESTED_EDLS");
1099                 fprintf(fp,"  total: %d\n", nested_edls.size());
1100                 for( int i=0; i<nested_edls.size(); ++i )
1101                         fprintf(fp,"   %s\n", nested_edls[i]->path);
1102
1103                 fprintf(fp," VWINDOW EDLS");
1104                 fprintf(fp,"  total: %d\n", total_vwindow_edls());
1105
1106                 for( int i=0; i<total_vwindow_edls(); ++i ) {
1107                         fprintf(fp,"   %s\n", get_vwindow_edl(i)->local_session->clip_title);
1108                 }
1109
1110                 fprintf(fp," ASSETS\n");
1111                 assets->dump(fp);
1112         }
1113         fprintf(fp," LABELS\n");
1114         labels->dump(fp);
1115         fprintf(fp," TRACKS\n");
1116         tracks->dump(fp);
1117 //printf("EDL::dump 2\n");
1118         return 0;
1119 }
1120
1121 EDL* EDL::add_clip(EDL *edl)
1122 {
1123 // Copy argument.  New edls are deleted from MWindow::load_filenames.
1124         EDL *new_edl = new EDL(this);
1125         new_edl->create_objects();
1126         new_edl->copy_all(edl);
1127         new_edl->folder_no = AW_CLIP_FOLDER;
1128         clips.append(new_edl);
1129         return new_edl;
1130 }
1131
1132 void EDL::insert_asset(Asset *asset,
1133         EDL *nested_edl,
1134         double position,
1135         Track *first_track,
1136         RecordLabels *labels)
1137 {
1138 // Insert asset into asset table
1139         Asset *new_asset = 0;
1140         EDL *new_nested_edl = 0;
1141
1142         if( asset ) new_asset = assets->update(asset);
1143         if( nested_edl ) new_nested_edl = nested_edls.get_nested(nested_edl);
1144
1145 // Paste video
1146         int vtrack = 0;
1147         Track *current = first_track ? first_track : tracks->first;
1148
1149
1150 // Fix length of single frame
1151         double length = 0.;
1152         int layers = 0;
1153         int channels = 0;
1154
1155         if( new_nested_edl ) {
1156                 length = new_nested_edl->tracks->total_length();
1157                 layers = 1;
1158                 channels = new_nested_edl->session->audio_channels;
1159         }
1160
1161         if( new_asset ) {
1162 // Insert 1 frame for undefined length
1163                 if( new_asset->video_length < 0 ) {
1164                         length = session->si_useduration ?
1165                                 session->si_duration :
1166                                 1.0 / session->frame_rate;
1167                 }
1168                 else {
1169                         length = new_asset->frame_rate > 0 ?
1170                                 (double)new_asset->video_length / new_asset->frame_rate :
1171                                 1.0 / session->frame_rate;
1172                 }
1173                 layers = new_asset->layers;
1174                 channels = new_asset->channels;
1175         }
1176
1177         for( ; current && vtrack<layers; current=NEXT ) {
1178                 if( !current->record || current->data_type != TRACK_VIDEO ) continue;
1179                 current->insert_asset(new_asset, new_nested_edl,
1180                         length, position, vtrack++);
1181         }
1182
1183         int atrack = 0;
1184         if( new_asset ) {
1185                 if( new_asset->audio_length < 0 ) {
1186 // Insert 1 frame for undefined length & video
1187                         if( new_asset->video_data )
1188                                 length = (double)1.0 / new_asset->frame_rate;
1189                         else
1190 // Insert 1 second for undefined length & no video
1191                                 length = 1.0;
1192                 }
1193                 else
1194                         length = (double)new_asset->audio_length /
1195                                         new_asset->sample_rate;
1196         }
1197
1198         current = tracks->first;
1199         for( ; current && atrack < channels; current=NEXT ) {
1200                 if( !current->record || current->data_type != TRACK_AUDIO ) continue;
1201                 current->insert_asset(new_asset, new_nested_edl,
1202                         length, position, atrack++);
1203         }
1204
1205 // Insert labels from a recording window.
1206         if( labels ) {
1207                 for( RecordLabel *label=labels->first; label; label=label->next ) {
1208                         this->labels->toggle_label(label->position, label->position);
1209                 }
1210         }
1211 }
1212
1213
1214
1215 void EDL::set_index_file(Indexable *indexable)
1216 {
1217         if( indexable->is_asset )
1218                 assets->update_index((Asset*)indexable);
1219         else
1220                 nested_edls.update_index((EDL*)indexable);
1221 }
1222
1223 void EDL::optimize()
1224 {
1225 //printf("EDL::optimize 1\n");
1226         double length = tracks->total_length();
1227         double preview_start = local_session->preview_start;
1228         double preview_end = local_session->preview_end;
1229         if( preview_end < 0 || preview_end > length )
1230                 preview_end = length;
1231         if( preview_start == 0 && preview_end >= length )
1232                 local_session->preview_end = -1;
1233         if( preview_start > preview_end )
1234                 local_session->preview_start = preview_end;
1235         for( Track *current=tracks->first; current; current=NEXT )
1236                 current->optimize();
1237 }
1238
1239 int EDL::next_id()
1240 {
1241         static Mutex id_lock;
1242         id_lock.lock("EDL::next_id");
1243         int result = EDLSession::current_id++;
1244         id_lock.unlock();
1245         return result;
1246 }
1247
1248 void EDL::get_shared_plugins(Track *source,
1249         ArrayList<SharedLocation*> *plugin_locations,
1250         int omit_recordable,
1251         int data_type)
1252 {
1253         for( Track *track=tracks->first; track; track=track->next ) {
1254                 if( track->record && omit_recordable ) continue;
1255                 if( track == source || track->data_type != data_type ) continue;
1256                 for( int i=0; i<track->plugin_set.size(); ++i ) {
1257                         Plugin *plugin = track->get_current_plugin(
1258                                 local_session->get_selectionstart(1),
1259                                 i, PLAY_FORWARD, 1, 0);
1260                         if( plugin && plugin->plugin_type != PLUGIN_STANDALONE ) continue;
1261                         plugin_locations->append(new SharedLocation(tracks->number_of(track), i));
1262                 }
1263         }
1264 }
1265
1266 void EDL::get_shared_tracks(Track *track,
1267         ArrayList<SharedLocation*> *module_locations,
1268         int omit_recordable, int data_type)
1269 {
1270         for( Track *current=tracks->first; current; current=NEXT ) {
1271                 if( omit_recordable && current->record ) continue;
1272                 if( current == track || current->data_type != data_type ) continue;
1273                 module_locations->append(new SharedLocation(tracks->number_of(current), 0));
1274         }
1275 }
1276
1277 // aligned frame time, account for sample truncation
1278 double EDL::frame_align(double position, int round)
1279 {
1280         if( !round && session->sample_rate > 0 ) {
1281                 int64_t sample_pos = position * session->sample_rate;
1282                 position = (sample_pos+2.) / session->sample_rate;
1283         }
1284         int64_t frame_pos = (position * session->frame_rate + (round ? 0.5 : 1e-6));
1285         return frame_pos / session->frame_rate;
1286 }
1287
1288 // Convert position to frames if alignment is enabled.
1289 double EDL::align_to_frame(double position, int round)
1290 {
1291         if( session->cursor_on_frames )
1292                 position = frame_align(position, round);
1293         return position;
1294 }
1295
1296
1297 BinFolder *EDL::get_folder(int no)
1298 {
1299         for( int i=0; i<folders.size(); ++i ) {
1300                 BinFolder *fp = folders[i];
1301                 if( no == fp->awindow_folder ) return fp;
1302         }
1303         return 0;
1304 }
1305
1306 int EDL::get_folder_number(const char *title)
1307 {
1308         for( int i=0; i<AWINDOW_FOLDERS; ++i ) {
1309                 if( !strcmp(title, AWindowGUI::folder_names[i]) )
1310                         return i;
1311         }
1312         for( int i=0; i<folders.size(); ++i ) {
1313                 if( !strcmp(title, folders[i]->title) )
1314                         return folders[i]->awindow_folder;
1315         }
1316         return AW_NO_FOLDER;
1317 }
1318
1319 const char *EDL::get_folder_name(int no)
1320 {
1321         if( no >= 0 && no<AWINDOW_FOLDERS )
1322                 return AWindowGUI::folder_names[no];
1323         BinFolder *fp = get_folder(no);
1324         return !fp ? "" : fp->title;
1325 }
1326
1327 int EDL::new_folder(const char *title, int is_clips)
1328 {
1329         if( !title[0] ) return 1;
1330         int ret = get_folder_number(title);
1331         if( ret >= 0 ) return 1;
1332         int idx = AWINDOW_FOLDERS;
1333         for( int i=0; i<folders.size(); ++i ) {
1334                 BinFolder *fp = folders[i];
1335                 int no = fp->awindow_folder;
1336                 if( no >= idx ) idx = no+1;
1337         }
1338         folders.append(new BinFolder(idx, is_clips, title));
1339         return 0;
1340 }
1341
1342 int EDL::delete_folder(const char *title)
1343 {
1344         int k = folders.size();
1345         while( --k >= 0 && strcmp(title, folders[k]->title) );
1346         if( k >= 0 )
1347                 folders.remove_object_number(k);
1348         return k;
1349 }
1350
1351 int EDL::get_use_vconsole(VEdit* *playable_edit,
1352         int64_t position, int direction, PlayableTracks *playable_tracks)
1353 {
1354         int share_playable_tracks = 1;
1355         int result = 0;
1356         VTrack *playable_track = 0;
1357         const int debug = 0;
1358         *playable_edit = 0;
1359
1360 // Calculate playable tracks when being called as a nested EDL
1361         if( !playable_tracks ) {
1362                 share_playable_tracks = 0;
1363                 playable_tracks = new PlayableTracks(this,
1364                         position, direction, TRACK_VIDEO, 1);
1365         }
1366
1367
1368 // Total number of playable tracks is 1
1369         if( playable_tracks->size() != 1 ) {
1370                 result = 1;
1371         }
1372         else {
1373                 playable_track = (VTrack*)playable_tracks->get(0);
1374         }
1375
1376 // Don't need playable tracks anymore
1377         if( !share_playable_tracks ) {
1378                 delete playable_tracks;
1379         }
1380
1381 if( debug ) printf("EDL::get_use_vconsole %d playable_tracks->size()=%d\n",
1382  __LINE__, playable_tracks->size());
1383         if( result ) return 1;
1384
1385
1386 // Test mutual conditions between direct copy rendering and this.
1387         if( !playable_track->direct_copy_possible(position,
1388                 direction,
1389                 1) )
1390                 return 1;
1391 if( debug ) printf("EDL::get_use_vconsole %d\n", __LINE__);
1392
1393         *playable_edit = (VEdit*)playable_track->edits->editof(position,
1394                 direction, 0);
1395 // No edit at current location
1396         if( !*playable_edit ) return 1;
1397 if( debug ) printf("EDL::get_use_vconsole %d\n", __LINE__);
1398
1399
1400 // Edit is nested EDL
1401         if( (*playable_edit)->nested_edl ) {
1402 // Test nested EDL
1403                 EDL *nested_edl = (*playable_edit)->nested_edl;
1404                 int64_t nested_position = (int64_t)((position -
1405                                 (*playable_edit)->startproject +
1406                                 (*playable_edit)->startsource) *
1407                         nested_edl->session->frame_rate /
1408                         session->frame_rate);
1409
1410
1411                 VEdit *playable_edit_temp = 0;
1412                 if( session->output_w != nested_edl->session->output_w ||
1413                         session->output_h != nested_edl->session->output_h ||
1414                         nested_edl->get_use_vconsole(&playable_edit_temp,
1415                                 nested_position,
1416                                 direction,
1417                                 0) )
1418                         return 1;
1419
1420                 return 0;
1421         }
1422
1423 if( debug ) printf("EDL::get_use_vconsole %d\n", __LINE__);
1424 // Edit is not a nested EDL
1425         Asset *asset = (*playable_edit)->asset;
1426 // Edit is silence
1427         if( !asset ) return 1;
1428 if( debug ) printf("EDL::get_use_vconsole %d\n", __LINE__);
1429
1430 // Asset and output device must have the same dimensions
1431         if( asset->width != session->output_w ||
1432             asset->height != session->output_h )
1433                 return 1;
1434
1435
1436 if( debug ) printf("EDL::get_use_vconsole %d\n", __LINE__);
1437 // Asset and output device must have same resulting de-interlacing method
1438         if( ilaceautofixmethod2(session->interlace_mode,
1439             asset->interlace_autofixoption, asset->interlace_mode,
1440             asset->interlace_fixmethod) != ILACE_FIXMETHOD_NONE )
1441                 return 1;
1442
1443 // If we get here the frame is going to be directly copied.  Whether it is
1444 // decompressed in hardware depends on the colormodel.
1445         return 0;
1446 }
1447
1448
1449 // For Indexable
1450 int EDL::get_audio_channels()
1451 {
1452         return session->audio_channels;
1453 }
1454
1455 int EDL::get_sample_rate()
1456 {
1457         return session->sample_rate;
1458 }
1459
1460 int64_t EDL::get_audio_samples()
1461 {
1462         return (int64_t)(tracks->total_length() *
1463                 session->sample_rate);
1464 }
1465
1466 int EDL::have_audio()
1467 {
1468         return 1;
1469 }
1470
1471 int EDL::have_video()
1472 {
1473         return 1;
1474 }
1475
1476
1477 int EDL::get_w()
1478 {
1479         return session->output_w;
1480 }
1481
1482 int EDL::get_h()
1483 {
1484         return session->output_h;
1485 }
1486
1487 double EDL::get_frame_rate()
1488 {
1489         return session->frame_rate;
1490 }
1491
1492 int EDL::get_video_layers()
1493 {
1494         return 1;
1495 }
1496
1497 int64_t EDL::get_video_frames()
1498 {
1499         return (int64_t)(tracks->total_length() *
1500                 session->frame_rate);
1501 }
1502
1503 void EDL::remove_vwindow_edls()
1504 {
1505         for( int i=0; i<total_vwindow_edls(); ++i ) {
1506                 get_vwindow_edl(i)->remove_user();
1507         }
1508         vwindow_edls.remove_all();
1509 }
1510
1511 void EDL::remove_vwindow_edl(EDL *edl)
1512 {
1513         if( vwindow_edls.number_of(edl) >= 0 ) {
1514                 edl->remove_user();
1515                 vwindow_edls.remove(edl);
1516         }
1517 }
1518
1519
1520 EDL* EDL::get_vwindow_edl(int number)
1521 {
1522         return vwindow_edls.get(number);
1523 }
1524
1525 int EDL::total_vwindow_edls()
1526 {
1527         return vwindow_edls.size();
1528 }
1529
1530 void EDL::append_vwindow_edl(EDL *edl, int increase_counter)
1531 {
1532         if(vwindow_edls.number_of(edl) >= 0) return;
1533
1534         if(increase_counter) edl->add_user();
1535         vwindow_edls.append(edl);
1536 }
1537
1538
1539 double EDL::next_edit(double position)
1540 {
1541         Units::fix_double(&position);
1542         double new_position = tracks->total_length();
1543
1544         double max_rate = get_frame_rate();
1545         int sample_rate = get_sample_rate();
1546         if( sample_rate > max_rate ) max_rate = sample_rate;
1547         double min_movement = max_rate > 0 ? 1. / max_rate : 1e-6;
1548
1549 // Test for edit handles after position
1550         for( Track *track=tracks->first; track; track=track->next ) {
1551                 if( !track->record ) continue;
1552                 for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
1553                         double edit_end = track->from_units(edit->startproject + edit->length);
1554                         Units::fix_double(&edit_end);
1555                         if( fabs(edit_end-position) < min_movement ) continue;
1556                         if( edit_end > position && edit_end < new_position )
1557                                 new_position = edit_end;
1558                 }
1559         }
1560         return new_position;
1561 }
1562
1563 double EDL::prev_edit(double position)
1564 {
1565         Units::fix_double(&position);
1566         double new_position = -1;
1567
1568         double max_rate = get_frame_rate();
1569         int sample_rate = get_sample_rate();
1570         if( sample_rate > max_rate ) max_rate = sample_rate;
1571         double min_movement = max_rate > 0 ? 1. / max_rate : 1e-6;
1572
1573 // Test for edit handles before cursor position
1574         for( Track *track=tracks->first; track; track=track->next ) {
1575                 if( !track->record ) continue;
1576                 for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
1577                         double edit_end = track->from_units(edit->startproject);
1578                         Units::fix_double(&edit_end);
1579                         if( fabs(edit_end-position) < min_movement ) continue;
1580                         if( edit_end < position && edit_end > new_position )
1581                                 new_position = edit_end;
1582                 }
1583         }
1584         return new_position;
1585 }
1586
1587 void EDL::rescale_proxy(int orig_scale, int new_scale)
1588 {
1589         if( orig_scale == new_scale ) return;
1590 // project size
1591         float orig_w = (float)session->output_w * orig_scale;
1592         float orig_h = (float)session->output_h * orig_scale;
1593         if( !parent_edl ) {
1594                 session->output_w = Units::round(orig_w / new_scale);
1595                 session->output_h = Units::round(orig_h / new_scale);
1596         }
1597
1598 // track sizes
1599         for( Track *track=tracks->first; track; track=track->next ) {
1600                 if( track->data_type != TRACK_VIDEO ) continue;
1601                 orig_w = (float)track->track_w * orig_scale;
1602                 orig_h = (float)track->track_h * orig_scale;
1603                 track->track_w = Units::round(orig_w / new_scale);
1604                 track->track_h = Units::round(orig_h / new_scale);
1605                 ((MaskAutos*)track->automation->autos[AUTOMATION_MASK])->
1606                         set_proxy(orig_scale, new_scale);
1607                 ((FloatAutos*)track->automation->autos[AUTOMATION_CAMERA_X])->
1608                         set_proxy(orig_scale, new_scale);
1609                 ((FloatAutos*)track->automation->autos[AUTOMATION_CAMERA_Y])->
1610                         set_proxy(orig_scale, new_scale);
1611                 ((FloatAutos*)track->automation->autos[AUTOMATION_PROJECTOR_X])->
1612                         set_proxy(orig_scale, new_scale);
1613                 ((FloatAutos*)track->automation->autos[AUTOMATION_PROJECTOR_Y])->
1614                         set_proxy(orig_scale, new_scale);
1615         }
1616 }
1617
1618 void EDL::set_proxy(int new_scale, int use_scaler,
1619         ArrayList<Indexable*> *orig_assets, ArrayList<Indexable*> *proxy_assets)
1620 {
1621         int orig_scale = session->proxy_scale;
1622         int orig_use_scaler = session->proxy_use_scaler;
1623
1624 // rescale to full size asset in read_frame
1625         session->proxy_scale = new_scale;
1626         session->proxy_use_scaler = use_scaler;
1627
1628         if( use_scaler ) {
1629                 for( int i=0; i<proxy_assets->size(); ++i ) {
1630                         Asset *proxy_asset = (Asset *)proxy_assets->get(i);
1631                         proxy_asset->width = orig_assets->get(i)->get_w();
1632                         proxy_asset->height = orig_assets->get(i)->get_h();
1633                 }
1634                 new_scale = 1;
1635         }
1636
1637         if( !orig_use_scaler )
1638                 rescale_proxy(orig_scale, new_scale);
1639
1640 // change original assets to proxy assets
1641         int folder_no = use_scaler || new_scale != 1 ? AW_PROXY_FOLDER : AW_MEDIA_FOLDER;
1642         for( int i=0,n=proxy_assets->size(); i<n; ++i ) {
1643                 Indexable *proxy_idxbl = proxy_assets->get(i);
1644                 proxy_idxbl->folder_no = folder_no;
1645                 if( !proxy_idxbl->is_asset ) continue;
1646                 Asset *proxy_asset = assets->update((Asset *)proxy_idxbl);
1647                 if( proxy_asset == (Asset *)proxy_idxbl ) continue;
1648                 proxy_asset->width = proxy_idxbl->get_w();
1649                 proxy_asset->height = proxy_idxbl->get_h();
1650         }
1651 // replace track contents
1652         for( Track *track=tracks->first; track; track=track->next ) {
1653                 if( track->data_type != TRACK_VIDEO ) continue;
1654                 for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
1655                         Indexable *idxbl = (Indexable *)edit->asset;
1656                         if( !idxbl ) idxbl = (Indexable *)edit->nested_edl;
1657                         if( !idxbl ) continue;
1658                         int i = orig_assets->size();
1659                         while( --i>=0 && strcmp(orig_assets->get(i)->path, idxbl->path) );
1660                         if( i < 0 ) continue;
1661                         Indexable *proxy_idxbl = proxy_assets->get(i);
1662                         Asset *proxy_asset = proxy_idxbl->is_asset ?
1663                                 assets->update((Asset *)proxy_idxbl) : 0;
1664                         EDL *proxy_edl = !proxy_idxbl->is_asset ?
1665                                 (EDL *)proxy_idxbl : 0;
1666                         edit->asset = proxy_asset;
1667                         edit->nested_edl = proxy_edl;
1668                 }
1669         }
1670         for( int j=0,n=clips.size(); j<n; ++j ) {
1671                 EDL *clip = clips[j];
1672                 int has_proxy = 0;
1673                 for( Track *track=clip->tracks->first; track; track=track->next ) {
1674                         if( track->data_type != TRACK_VIDEO ) continue;
1675                         for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
1676                                 Indexable *idxbl = (Indexable *)edit->asset;
1677                                 if( !idxbl ) idxbl = (Indexable *)edit->nested_edl;
1678                                 if( !idxbl ) continue;
1679                                 int i = orig_assets->size();
1680                                 while( --i>=0 && strcmp(orig_assets->get(i)->path, idxbl->path) );
1681                                 if( i < 0 ) continue;
1682                                 Indexable *proxy_idxbl = proxy_assets->get(i);
1683                                 Asset *proxy_asset = proxy_idxbl->is_asset ?
1684                                         assets->update((Asset *)proxy_idxbl) : 0;
1685                                 EDL *proxy_edl = !proxy_idxbl->is_asset ?
1686                                         (EDL *)proxy_idxbl : 0;
1687                                 edit->asset = proxy_asset;
1688                                 edit->nested_edl = proxy_edl;
1689                                 has_proxy = 1;
1690                         }
1691                 }
1692                 if( has_proxy && !orig_use_scaler )
1693                         clip->rescale_proxy(orig_scale, new_scale);
1694         }
1695 }
1696
1697 void EDL::add_proxy(int use_scaler,
1698         ArrayList<Indexable*> *orig_assets, ArrayList<Indexable*> *proxy_assets)
1699 {
1700         if( use_scaler ) {
1701                 for( int i=0,n=proxy_assets->size(); i<n; ++i ) {
1702                         Asset *proxy_asset = (Asset *)proxy_assets->get(i);
1703                         proxy_asset->width = orig_assets->get(i)->get_w();
1704                         proxy_asset->height = orig_assets->get(i)->get_h();
1705                 }
1706         }
1707
1708 // change original assets to proxy assets
1709         for( int i=0,n=proxy_assets->size(); i<n; ++i ) {
1710                 Asset *proxy_asset = assets->update((Asset *)proxy_assets->get(i));
1711                 proxy_asset->folder_no = AW_PROXY_FOLDER;
1712 // replace track contents
1713                 for( Track *track=tracks->first; track; track=track->next ) {
1714                         if( track->data_type != TRACK_VIDEO ) continue;
1715                         for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
1716                                 if( !edit->asset ) continue;
1717                                 if( !strcmp(edit->asset->path, orig_assets->get(i)->path) ) {
1718                                         edit->asset = proxy_asset;
1719                                 }
1720                         }
1721                 }
1722         }
1723 }
1724
1725 Asset *EDL::get_proxy_asset()
1726 {
1727         return folder_no == AW_PROXY_FOLDER ?
1728                 tracks->first->edits->first->asset : 0;
1729 }
1730
1731 Track *EDL::add_new_track(int data_type)
1732 {
1733         Track *new_track = 0;
1734         switch( data_type ) {
1735         case TRACK_VIDEO:
1736                 ++session->video_tracks;
1737                 new_track = tracks->add_video_track(0, 0);
1738                 break;
1739         case TRACK_AUDIO:
1740                 ++session->audio_tracks;
1741                 new_track = tracks->add_audio_track(0, 0);
1742                 break;
1743         case TRACK_SUBTITLE:
1744                 new_track = tracks->add_subttl_track(0, 0);
1745                 break;
1746         }
1747         return new_track;
1748 }
1749
1750 double EDL::get_cursor_position(int cursor_x, int pane_no)
1751 {
1752         return (double)cursor_x * local_session->zoom_sample / session->sample_rate +
1753                 (double)local_session->view_start[pane_no] *
1754                         local_session->zoom_sample / session->sample_rate;
1755 }
1756 int64_t EDL::get_position_cursorx(double position, int pane_no)
1757 {
1758         return (int64_t)(position * session->sample_rate / local_session->zoom_sample)
1759                         - local_session->view_start[pane_no];
1760 }
1761
1762 int EDL::in_use(Indexable *indexable)
1763 {
1764         for( Track *track=tracks->first; track; track=track->next ) {
1765                 for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
1766                         Indexable *idxbl = (Indexable *)edit->asset;
1767                         if( !idxbl ) idxbl = (Indexable *)edit->nested_edl;
1768                         if( !idxbl ) continue;
1769                         if( idxbl->id == indexable->id ) return 1;
1770                         if( !indexable->is_asset != !idxbl->is_asset ) continue;
1771                         if( !strcmp(idxbl->path, indexable->path) ) return 1;
1772                 }
1773         }
1774         for( int i=0; i<clips.size(); ++i )
1775                 if( clips[i]->in_use(indexable) ) return 1;
1776         for( int i=0; i<nested_edls.size(); ++i )
1777                 if( nested_edls[i]->in_use(indexable) ) return 1;
1778         return 0;
1779 }
1780
1781 int EDL::regroup(int next_id)
1782 {
1783         ArrayList<int> new_groups;
1784         for( Track *track=tracks->first; track; track=track->next ) {
1785                 for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
1786                         if( !edit->group_id ) continue;
1787                         int k = new_groups.size();
1788                         while( --k >= 0 && new_groups[k] != edit->group_id );
1789                         if( k >= 0 ) continue;
1790                         new_groups.append(edit->group_id);
1791                 }
1792         }
1793         for( Track *track=tracks->first; track; track=track->next ) {
1794                 for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
1795                         if( !edit->group_id ) continue;
1796                         int k = new_groups.size();
1797                         while( --k >= 0 && new_groups[k] != edit->group_id );
1798                         if( k < 0 ) continue;
1799                         edit->group_id = k + next_id;
1800                 }
1801         }
1802         return new_groups.size();
1803 }
1804