cinelerra-5.1/cinelerra/tracksedit.C

   1 /*
   2  * CINELERRA
   3  * Copyright (C) 2010 Adam Williams <broadcast at earthling dot net>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  *
  19  */
  20
  21 #include "assets.h"
  22 #include "atrack.h"
  23 #include "automation.h"
  24 #include "aedits.h"
  25 #include "bcsignals.h"
  26 #include "edit.h"
  27 #include "edits.h"
  28 #include "edl.h"
  29 #include "edlsession.h"
  30 #include "filexml.h"
  31 #include "intauto.h"
  32 #include "intautos.h"
  33 #include "labels.h"
  34 #include "localsession.h"
  35 #include "mainundo.h"
  36 #include "module.h"
  37 #include "mainsession.h"
  38 #include "pluginserver.h"
  39 #include "pluginset.h"
  40 #include "plugin.h"
  41 #include "timebar.h"
  42 #include "trackcanvas.h"
  43 #include "tracks.h"
  44 #include "trackscroll.h"
  45 #include "transition.h"
  46 #include "transportque.h"
  47 #include "vtrack.h"
  48 #include <string.h>
  49
  50 int Tracks::blade(double position)
  51 {
  52         for( Track *track=first; track!=0; track=track->next ) {
  53                 if( !track->record ) continue;
  54                 track->blade(position);
  55         }
  56         return 0;
  57 }
  58
  59 int Tracks::clear(double start, double end, int clear_plugins, int edit_autos)
  60 {
  61         Track *current_track;
  62
  63         for(current_track = first;
  64                 current_track;
  65                 current_track = current_track->next)
  66         {
  67                 if(current_track->record)
  68                 {
  69                         current_track->clear(start,
  70                                 end,
  71                                 1, // edits
  72                                 1, // labels
  73                                 clear_plugins, // edit_plugins
  74                                 edit_autos,
  75                                 0); // trim_edits
  76                 }
  77         }
  78         return 0;
  79 }
  80
  81 void Tracks::clear_automation(double selectionstart, double selectionend)
  82 {
  83         Track* current_track;
  84
  85         for(current_track = first; current_track; current_track = current_track->next)
  86         {
  87                 if(current_track->record)
  88                 {
  89                         current_track->clear_automation(selectionstart,
  90                                 selectionend,
  91                                 0,
  92                                 0);
  93                 }
  94         }
  95 }
  96
  97 void Tracks::clear_transitions(double start, double end)
  98 {
  99         for(Track *current_track = first;
 100                 current_track;
 101                 current_track = current_track->next)
 102         {
 103                 if(current_track->record)
 104                 {
 105                         int64_t start_units = current_track->to_units(start, 0);
 106                         int64_t end_units = current_track->to_units(end, 0);
 107
 108                         for(Edit *current_edit = current_track->edits->first;
 109                                 current_edit;
 110                                 current_edit = current_edit->next)
 111                         {
 112                                 if(current_edit->startproject >= start_units &&
 113                                         current_edit->startproject < end_units &&
 114                                         current_edit->transition)
 115                                 {
 116                                         current_edit->detach_transition();
 117                                 }
 118                         }
 119                 }
 120         }
 121 }
 122
 123 void Tracks::shuffle_edits(double start, double end)
 124 {
 125 // This doesn't affect automation or effects
 126 // Labels follow the first track.
 127         int first_track = 1;
 128         for(Track *current_track = first;
 129                 current_track;
 130                 current_track = current_track->next)
 131         {
 132                 if(current_track->record)
 133                 {
 134                         current_track->shuffle_edits(start, end, first_track);
 135
 136                         first_track = 0;
 137                 }
 138         }
 139 }
 140
 141 void Tracks::reverse_edits(double start, double end)
 142 {
 143 // This doesn't affect automation or effects
 144 // Labels follow the first track.
 145         int first_track = 1;
 146         for(Track *current_track = first;
 147                 current_track;
 148                 current_track = current_track->next)
 149         {
 150                 if(current_track->record)
 151                 {
 152                         current_track->reverse_edits(start, end, first_track);
 153
 154                         first_track = 0;
 155                 }
 156         }
 157 }
 158 void Tracks::align_edits(double start, double end)
 159 {
 160 // This doesn't affect automation or effects
 161         ArrayList<double> times;
 162
 163         for(Track *current_track = first;
 164                 current_track;
 165                 current_track = current_track->next)
 166         {
 167                 if(current_track->record)
 168                 {
 169                         current_track->align_edits(start, end, &times);
 170                 }
 171         }
 172 }
 173
 174 void Tracks::set_edit_length(double start, double end, double length)
 175 {
 176         int first_track = 1;
 177         for(Track *current_track = first;
 178                 current_track;
 179                 current_track = current_track->next)
 180         {
 181                 if(current_track->record)
 182                 {
 183 #define USE_FLOATING_LENGTHS
 184
 185 #ifdef USE_FLOATING_LENGTHS
 186
 187
 188 // The first edit anchors the length offsets.
 189 // Round edits up & down so they end where they would if they all had floating point lengths.
 190                         //int first_edit = 1;
 191                         int64_t start_units = current_track->to_units(start, 0);
 192                         int64_t end_units = current_track->to_units(end, 0);
 193 // Total time of edits accumulated, in track units
 194                         int64_t total_units = 0;
 195 // Number of length offsets added so far
 196                         int total_lengths = 0;
 197
 198                         for(Edit *current_edit = current_track->edits->last;
 199                                 current_edit;
 200                                 current_edit = current_edit->previous)
 201                         {
 202                                 if(current_edit->startproject >= start_units &&
 203                                         current_edit->startproject + current_edit->length <= end_units)
 204                                 {
 205 // Calculate true length based on number of length offsets & total time
 206                                         double end_time = (1 + total_lengths) * length;
 207                                         int64_t length_units = current_track->to_units(end_time, 0) -
 208                                                 total_units;
 209                                         if(length_units < 1) length_units = 1;
 210 //printf("Tracks::set_edit_length %d %f %f\n", __LINE__,
 211 // end_time, current_track->from_units(total_units));
 212                                         total_units += length_units;
 213
 214 // Go in using the edit handle interface
 215                                         int64_t starting_length = current_edit->length;
 216
 217                                         if(length_units < current_edit->length)
 218                                         {
 219                                                 current_edit->shift_end_in(MOVE_ALL_EDITS,
 220                                                         current_edit->startproject + length_units,
 221                                                         current_edit->startproject + current_edit->length,
 222                                                         1,
 223                                                         edl->session->labels_follow_edits,
 224                                                         edl->session->plugins_follow_edits,
 225                                                         edl->session->autos_follow_edits,
 226                                                         0);
 227                                         }
 228                                         else
 229                                         {
 230                                                 current_edit->shift_end_out(MOVE_ALL_EDITS,
 231                                                         current_edit->startproject + length_units,
 232                                                         current_edit->startproject + current_edit->length,
 233                                                         1,
 234                                                         edl->session->labels_follow_edits,
 235                                                         edl->session->plugins_follow_edits,
 236                                                         edl->session->autos_follow_edits,
 237                                                         0);
 238                                         }
 239
 240                                         int64_t ending_length = current_edit->length;
 241
 242                                         if(edl->session->labels_follow_edits && first_track)
 243                                         {
 244 // printf("Tracks::set_edit_length %d %f %f\n",
 245 // __LINE__,
 246 // current_track->from_units(current_edit->startproject + starting_length),
 247 // current_track->from_units(current_edit->startproject + ending_length));
 248                                                  edl->labels->modify_handles(
 249                                                         current_track->from_units(current_edit->startproject + starting_length),
 250                                                         current_track->from_units(current_edit->startproject + ending_length),
 251                                                         1,
 252                                                         MOVE_ALL_EDITS,
 253                                                         1);
 254                                         }
 255
 256
 257                                         //first_edit = 0;
 258                                         total_lengths++;
 259                                 }
 260                         }
 261
 262
 263
 264 #else // USE_FLOATING_LENGTHS
 265
 266 // The first edit anchors the length offsets.
 267 // The idea was to round edits up & down so they end where they should
 268 // if they all had floating point lengths.  It's easier just to make sure the framerate
 269 // is divisible by the required length.
 270 //                      int first_edit = 1;
 271                         int64_t start_units = current_track->to_units(start, 0);
 272                         int64_t end_units = current_track->to_units(end, 0);
 273                         int64_t length_units = current_track->to_units(length, 1);
 274 // Starting time of the length offsets in seconds
 275 //                      double start_time = 0;
 276 // Number of length offsets added so far
 277 //                      int total_lengths = 0;
 278
 279                         for(Edit *current_edit = current_track->edits->last;
 280                                 current_edit;
 281                                 current_edit = current_edit->previous)
 282                         {
 283                                 if(current_edit->startproject >= start_units &&
 284                                         current_edit->startproject + current_edit->length <= end_units)
 285                                 {
 286 // Calculate starting time of length offsets
 287 //                                      if(first_edit)
 288 //                                      {
 289 //                                              start_time = current_track->from_units(current_edit->startproject);
 290 //                                      }
 291
 292 // Calculate true length based on number of length offsets
 293 //                                      double end_time = start_time + (1 + total_lengths) * length;
 294 //                                      int64_t length_units = current_track->to_units(end_time, 0) -
 295 //                                              current_edit->startproject;
 296 //                                      if(length_units < 1) length_units = 1;
 297
 298 // Go in using the edit handle interface
 299                                         int64_t starting_length = current_edit->length;
 300
 301                                         if(length_units < current_edit->length)
 302                                         {
 303                                                 current_edit->shift_end_in(MOVE_ALL_EDITS,
 304                                                         current_edit->startproject + length_units,
 305                                                         current_edit->startproject + current_edit->length,
 306                                                         1,
 307                                                         edl->session->labels_follow_edits,
 308                                                         edl->session->plugins_follow_edits,
 309                                                         edl->session->autos_follow_edits,
 310                                                         0);
 311                                         }
 312                                         else
 313                                         {
 314                                                 current_edit->shift_end_out(MOVE_ALL_EDITS,
 315                                                         current_edit->startproject + length_units,
 316                                                         current_edit->startproject + current_edit->length,
 317                                                         1,
 318                                                         edl->session->labels_follow_edits,
 319                                                         edl->session->plugins_follow_edits,
 320                                                         edl->session->autos_follow_edits,
 321                                                         0);
 322                                         }
 323
 324                                         int64_t ending_length = current_edit->length;
 325
 326                                         if(edl->session->labels_follow_edits && first_track)
 327                                         {
 328 // printf("Tracks::set_edit_length %d %f %f\n",
 329 // __LINE__,
 330 // current_track->from_units(current_edit->startproject + starting_length),
 331 // current_track->from_units(current_edit->startproject + ending_length));
 332                                                  edl->labels->modify_handles(
 333                                                         current_track->from_units(current_edit->startproject + starting_length),
 334                                                         current_track->from_units(current_edit->startproject + ending_length),
 335                                                         1,
 336                                                         MOVE_ALL_EDITS,
 337                                                         1);
 338                                         }
 339
 340
 341 //                                      first_edit = 0;
 342 //                                      total_lengths++;
 343                                 }
 344                         }
 345 #endif // !USE_FLOATING_LENGTHS
 346
 347                         first_track = 0;
 348                 }
 349         }
 350 }
 351
 352 void Tracks::set_transition_length(double start, double end, double length)
 353 {
 354         for(Track *current_track = first;
 355                 current_track;
 356                 current_track = current_track->next)
 357         {
 358                 if(current_track->record)
 359                 {
 360                         int64_t start_units = current_track->to_units(start, 0);
 361                         int64_t end_units = current_track->to_units(end, 0);
 362
 363                         for(Edit *current_edit = current_track->edits->first;
 364                                 current_edit;
 365                                 current_edit = current_edit->next)
 366                         {
 367                                 if(current_edit->startproject >= start_units &&
 368                                         current_edit->startproject < end_units &&
 369                                         current_edit->transition)
 370                                 {
 371                                         current_edit->transition->length =
 372                                                 current_track->to_units(length, 1);
 373                                         if( current_edit == current_track->edits->last &&
 374                                             current_edit->silence() ) {
 375                                                 current_edit->length = current_edit->transition->length;
 376                                         }
 377                                 }
 378                         }
 379                 }
 380         }
 381 }
 382
 383 void Tracks::set_transition_length(Transition *transition, double length)
 384 {
 385 // Must verify existence of transition
 386         int done = 0;
 387         if(!transition) return;
 388         for(Track *current_track = first;
 389                 current_track && !done;
 390                 current_track = current_track->next)
 391         {
 392                 for(Edit *current_edit = current_track->edits->first;
 393                         current_edit && !done;
 394                         current_edit = current_edit->next)
 395                 {
 396                         if(current_edit->transition == transition)
 397                         {
 398                                 transition->length = current_track->to_units(length, 1);
 399                                 if( current_edit == current_track->edits->last &&
 400                                     current_edit->silence() ) {
 401                                         current_edit->length = current_edit->transition->length;
 402                                 }
 403                                 done = 1;
 404                         }
 405                 }
 406         }
 407 }
 408
 409 void Tracks::paste_transitions(double start, double end, int track_type, char* title)
 410 {
 411         int count = 0;
 412         for( Track *track=first; track; track=track->next ) {
 413                 if( !track->record || track->data_type != track_type ) continue;
 414                 for( Edit *edit=track->edits->first;  edit; edit=edit->next ) {
 415                         if( !edit->is_selected ) continue;
 416                         edit->insert_transition(title);
 417                         ++count;
 418                 }
 419         }
 420         if( count > 0 ) {
 421                 clear_selected_edits();
 422                 return;
 423         }
 424
 425         for( Track *track=first; track; track=track->next ) {
 426                 if( !track->record || track->data_type != track_type ) continue;
 427                 int64_t start_units = track->to_units(start, 0);
 428                 int64_t end_units = track->to_units(end, 0);
 429                 if( start_units == end_units ) {
 430                         for( Edit *edit = track->edits->first; edit; edit = edit->next) {
 431                                 int64_t edit_start = edit->startproject;
 432                                 int64_t edit_end = edit_start + edit->length;
 433                                 if( edit_start > start_units ) continue;
 434                                 if( start_units == track->edits->length() ) {
 435                                         double length = edl->session->default_transition_length;
 436                                         int64_t units = track->to_units(length, 1);
 437                                         edit = track->edits->
 438                                                 create_silence(start_units, start_units+units);
 439                                 }
 440                                 else if( start_units >= edit_end ) continue;
 441                                 edit->insert_transition(title);
 442                         }
 443                 }
 444                 else {
 445                         for( Edit *edit=track->edits->first; edit; edit=edit->next) {
 446                                 int64_t edit_start = edit->startproject;
 447                                 if( !edit_start ) continue;
 448                                 if( edit_start >= start_units && edit_start < end_units ) {
 449                                         edit->insert_transition(title);
 450                                 }
 451                         }
 452                 }
 453         }
 454 }
 455
 456 void Tracks::set_automation_mode(double selectionstart,
 457         double selectionend,
 458         int mode)
 459 {
 460         Track* current_track;
 461
 462         for(current_track = first; current_track; current_track = current_track->next)
 463         {
 464                 if(current_track->record)
 465                 {
 466                         current_track->set_automation_mode(selectionstart,
 467                                 selectionend,
 468                                 mode);
 469                 }
 470         }
 471 }
 472
 473 int Tracks::clear_default_keyframe()
 474 {
 475         for(Track *current = first; current; current = NEXT)
 476         {
 477                 if(current->record)
 478                         current->clear_automation(0, 0, 0, 1);
 479         }
 480         return 0;
 481 }
 482
 483 int Tracks::clear_handle(double start,
 484         double end,
 485         double &longest_distance,
 486         int clear_labels,
 487         int clear_plugins,
 488         int edit_autos)
 489 {
 490         Track* current_track;
 491         double distance;
 492
 493         for(current_track = first; current_track; current_track = current_track->next)
 494         {
 495                 if(current_track->record)
 496                 {
 497                         current_track->clear_handle(start,
 498                                 end,
 499                                 clear_labels,
 500                                 clear_plugins,
 501                                 edit_autos,
 502                                 distance);
 503                         if(distance > longest_distance) longest_distance = distance;
 504                 }
 505         }
 506
 507         return 0;
 508 }
 509
 510 int Tracks::copy_automation(double selectionstart,
 511         double selectionend,
 512         FileXML *file,
 513         int default_only,
 514         int autos_only)
 515 {
 516 // called by MWindow::copy_automation for copying automation alone
 517         Track* current_track;
 518
 519         file->tag.set_title("AUTO_CLIPBOARD");
 520         file->tag.set_property("LENGTH", selectionend - selectionstart);
 521         file->tag.set_property("FRAMERATE", edl->session->frame_rate);
 522         file->tag.set_property("SAMPLERATE", edl->session->sample_rate);
 523         file->append_tag();
 524         file->append_newline();
 525         file->append_newline();
 526
 527         for(current_track = first;
 528                 current_track;
 529                 current_track = current_track->next)
 530         {
 531                 if(current_track->record)
 532                 {
 533                         current_track->copy_automation(selectionstart,
 534                                 selectionend,
 535                                 file,
 536                                 default_only,
 537                                 autos_only);
 538                 }
 539         }
 540
 541         file->tag.set_title("/AUTO_CLIPBOARD");
 542         file->append_tag();
 543         file->append_newline();
 544         file->terminate_string();
 545         return 0;
 546 }
 547
 548 // int Tracks::copy_default_keyframe(FileXML *file)
 549 // {
 550 //      copy_automation(0, 0, file, 1, 0);
 551 //      return 0;
 552 // }
 553
 554 int Tracks::delete_tracks()
 555 {
 556         int total_deleted = 0;
 557         int done = 0;
 558
 559         while(!done)
 560         {
 561                 done = 1;
 562                 Track *next_track = 0;
 563                 for (Track* current = first; current && done; current = next_track)
 564                 {
 565                         next_track = current->next;
 566                         if(current->record)
 567                         {
 568                                 delete_track(current);
 569                                 current = NULL;
 570                                 total_deleted++;
 571                                 done = 0;
 572                                 break;
 573                         }
 574                 }
 575         }
 576         return total_deleted;
 577 }
 578
 579 void Tracks::move_edits(ArrayList<Edit*> *edits,
 580         Track *track,
 581         double position,
 582         int edit_labels,  // Ignored
 583         int edit_plugins,  // Ignored
 584         int edit_autos, // Ignored
 585         int behaviour)
 586 {
 587 //printf("Tracks::move_edits 1\n");
 588         for(Track *dest_track = track; dest_track; dest_track = dest_track->next)
 589         {
 590                 if(dest_track->record)
 591                 {
 592 // Need a local copy of the source edit since the original source edit may
 593 // change in the editing operation.
 594                         Edit *source_edit = 0;
 595                         Track *source_track = 0;
 596
 597
 598 // Get source track
 599                         if(dest_track->data_type == TRACK_AUDIO)
 600                         {
 601                                 int current_aedit = 0;
 602
 603                                 while(current_aedit < edits->total &&
 604                                         edits->values[current_aedit]->track->data_type != TRACK_AUDIO)
 605                                         current_aedit++;
 606
 607                                 if(current_aedit < edits->total)
 608                                 {
 609                                         source_edit = edits->values[current_aedit];
 610                                         source_track = source_edit->track;
 611                                         edits->remove_number(current_aedit);
 612                                 }
 613                         }
 614                         else
 615                         if(dest_track->data_type == TRACK_VIDEO)
 616                         {
 617                                 int current_vedit = 0;
 618                                 while(current_vedit < edits->total &&
 619                                         edits->values[current_vedit]->track->data_type != TRACK_VIDEO)
 620                                         current_vedit++;
 621
 622                                 if(current_vedit < edits->total)
 623                                 {
 624                                         source_edit = edits->values[current_vedit];
 625                                         source_track = source_edit->track;
 626                                         edits->remove_number(current_vedit);
 627                                 }
 628                         }
 629
 630 //printf("Tracks::move_edits 2 %s %s %d\n", source_track->title, dest_track->title, source_edit->length);
 631                         if(source_edit)
 632                         {
 633                                 int64_t position_i = source_track->to_units(position, 0);
 634 // Source edit changes
 635                                 int64_t source_length = source_edit->length;
 636                                 int64_t source_startproject = source_edit->startproject;
 637
 638                                 if (behaviour == 0)
 639                                 {
 640                                 // This works like this: CUT edit, INSERT edit at final position, keyframes also follow
 641                                 // FIXME: there should be a GUI way to tell whenever user also wants to move autos or not
 642 // this is all screwed up
 643 //  inserts defaults/bogus everywhere
 644 #if 0
 645 // Copy keyframes
 646                                         FileXML temp;
 647                                         AutoConf temp_autoconf;
 648
 649                                         temp_autoconf.set_all(1);
 650
 651                                         source_track->automation->copy(source_edit->startproject,
 652                                                 source_edit->startproject + source_edit->length,
 653                                                 &temp,
 654                                                 0,
 655                                                 0);
 656                                         temp.terminate_string();
 657                                         temp.rewind();
 658 // Insert new keyframes
 659 //printf("Tracks::move_edits 2 %d %p\n", result->startproject, result->asset);
 660                                         source_track->automation->clear(source_edit->startproject,
 661                                                 source_edit->startproject + source_edit->length,
 662                                                 &temp_autoconf,
 663                                                 1);
 664                                         int64_t position_a = position_i;
 665                                         if (dest_track == source_track)
 666                                         {
 667                                                 if (position_a > source_edit->startproject)
 668                                                         position_a -= source_length;
 669                                         }
 670
 671                                         dest_track->automation->paste_silence(position_a,
 672                                                 position_a + source_length);
 673                                         while(!temp.read_tag())
 674                                                 dest_track->automation->paste(position_a,
 675                                                         source_length, 1.0, &temp, 0, 1,
 676                                                         &temp_autoconf);
 677 #endif
 678 // Insert new edit
 679                                         Edit *dest_edit = dest_track->edits->shift(position_i,
 680                                                 source_length);
 681                                         Edit *result = dest_track->edits->insert_before(dest_edit,
 682                                                 dest_track->edits->create_edit());
 683                                         result->copy_from(source_edit);
 684                                         result->startproject = position_i;
 685                                         result->length = source_length;
 686
 687 // Clear source
 688                                         source_track->edits->clear(source_edit->startproject,
 689                                                 source_edit->startproject + source_length);
 690
 691         /*
 692 //this is outline for future thinking how it is supposed to be done trough C&P mechanisms
 693                                         temp.reset_tag();
 694                                         source_track->cut(source_edit->startproject,
 695                                                 source_edit->startproject + source_edit->length,
 696                                                 &temp,
 697                                                 NULL);
 698                                         temp.terminate_string();
 699                                         temp.rewind();
 700                                         dest_track->paste_silence(position_a,
 701                                                 position_a + source_length,
 702                                                 edit_plugins);
 703                                         while(!temp.read_tag())
 704                                                 dest_track->paste(position_a,          // MISSING PIECE OF FUNCTIONALITY
 705                                                         source_length,
 706                                                         1.0,
 707                                                         &temp,
 708                                                         0,
 709                                                         &temp_autoconf);
 710         */
 711
 712
 713                                 } else
 714                                 if (behaviour == 1)
 715                                 // ONLY edit is moved, all other edits stay where they are
 716                                 {
 717                                         // Copy edit to temp, delete the edit, insert the edit
 718                                         Edit *temp_edit = dest_track->edits->create_edit();
 719                                         temp_edit->copy_from(source_edit);
 720                                         // we call the edits directly since we do not want to move keyframes or anything else
 721                                         source_track->edits->clear(source_startproject,
 722                                                 source_startproject + source_length);
 723                                         source_track->edits->paste_silence(source_startproject,
 724                                                 source_startproject + source_length);
 725
 726                                         dest_track->edits->clear(position_i,
 727                                                 position_i + source_length);
 728                                         Edit *dest_edit = dest_track->edits->shift(position_i,  source_length);
 729                                         Edit *result = dest_track->edits->insert_before(dest_edit,
 730                                                 dest_track->edits->create_edit());
 731                                         result->copy_from(temp_edit);
 732                                         result->startproject = position_i;
 733                                         result->length = source_length;
 734                                         delete temp_edit;
 735                                 }
 736                                 source_track->optimize();
 737                                 dest_track->optimize();
 738                         }
 739                 }
 740         }
 741 }
 742
 743 void Tracks::move_effect(Plugin *plugin, Track *track, int64_t position)
 744 {
 745         Track *source_track = plugin->track;
 746         Plugin *result = 0;
 747 // Create a new plugin set
 748         double start = track->from_units(position);
 749         double length = track->from_units(plugin->length);
 750
 751         result = track->insert_effect("", &plugin->shared_location, 0, 0,
 752                                 start, length, plugin->plugin_type);
 753         result->copy_from(plugin);
 754         result->shift(position - plugin->startproject);
 755
 756 // Clear new plugin from old set
 757         plugin->plugin_set->clear(plugin->startproject,
 758                 plugin->startproject + plugin->length,
 759                 edl->session->autos_follow_edits);
 760
 761         source_track->optimize();
 762 }
 763
 764 void Tracks::move_effect(Plugin *plugin, PluginSet *plugin_set, int64_t position)
 765 {
 766 // src/dest track must be the same
 767 // replace plugin in source plugin_set with silence
 768         PluginSet *src_plugin_set = plugin->plugin_set;
 769         Plugin *silent = new Plugin(edl, src_plugin_set, "");
 770         silent->startproject = plugin->startproject;
 771         silent->length = plugin->length;
 772         src_plugin_set->insert_after(plugin, silent);
 773         src_plugin_set->remove_pointer(plugin);
 774 // truncate previous plugin
 775         Plugin *dest = (Plugin *)plugin_set->editof(position, PLAY_FORWARD, 0);
 776 // add plugin after dest
 777         plugin_set->insert_after(dest, plugin);
 778         if( dest ) {
 779                 dest->length = position - dest->startproject;
 780                 if( dest->length < 0 ) dest->length = 0;
 781         }
 782 // update plugin position
 783         plugin->startproject = position;
 784         plugin->plugin_set = plugin_set;
 785         plugin->edits = plugin_set;
 786         src_plugin_set->track->optimize();
 787 }
 788
 789 int Tracks::concatenate_tracks(int edit_plugins, int edit_autos)
 790 {
 791         Track *output_track, *first_output_track, *input_track;
 792         int i, data_type = TRACK_AUDIO;
 793         double output_start;
 794         int result = 0;
 795
 796 // Relocate tracks
 797         for(i = 0; i < 2; i++)
 798         {
 799 // Get first output track
 800                 for(output_track = first;
 801                         output_track;
 802                         output_track = output_track->next)
 803                         if(output_track->data_type == data_type &&
 804                                 output_track->record) break;
 805
 806                 first_output_track = output_track;
 807
 808 // Get first input track
 809                 for(input_track = first;
 810                         input_track;
 811                         input_track = input_track->next)
 812                 {
 813                         if(input_track->data_type == data_type &&
 814                                 input_track->play &&
 815                                 !input_track->record) break;
 816                 }
 817
 818
 819                 if(output_track && input_track)
 820                 {
 821 // Transfer input track to end of output track one at a time
 822                         while(input_track)
 823                         {
 824                                 output_start = output_track->get_length();
 825                                 output_track->insert_track(input_track,
 826                                         output_start,
 827                                         0,
 828                                         edit_plugins,
 829                                         edit_autos,
 830                                         0);
 831
 832 // Get next source and destination
 833                                 for(input_track = input_track->next;
 834                                         input_track;
 835                                         input_track = input_track->next)
 836                                 {
 837
 838                                         if(input_track->data_type == data_type &&
 839                                                 !input_track->record &&
 840                                                 input_track->play) break;
 841                                 }
 842
 843                                 for(output_track = output_track->next;
 844                                         output_track;
 845                                         output_track = output_track->next)
 846                                 {
 847                                         if(output_track->data_type == data_type &&
 848                                                 output_track->record) break;
 849                                 }
 850
 851                                 if(!output_track)
 852                                 {
 853                                         output_track = first_output_track;
 854                                 }
 855                         }
 856                         result = 1;
 857                 }
 858
 859                 if(data_type == TRACK_AUDIO) data_type = TRACK_VIDEO;
 860         }
 861
 862         return result;
 863 }
 864
 865 int Tracks::delete_all_tracks()
 866 {
 867         while(last) delete last;
 868         return 0;
 869 }
 870
 871
 872 void Tracks::change_modules(int old_location, int new_location, int do_swap)
 873 {
 874         for(Track* current = first ; current; current = current->next)
 875         {
 876                 current->change_modules(old_location, new_location, do_swap);
 877         }
 878 }
 879
 880 void Tracks::change_plugins(SharedLocation &old_location, SharedLocation &new_location, int do_swap)
 881 {
 882         for(Track* current = first ; current; current = current->next)
 883         {
 884                 current->change_plugins(old_location, new_location, do_swap);
 885         }
 886 }
 887
 888
 889
 890 // =========================================== EDL editing
 891
 892
 893 int Tracks::copy(double start,
 894         double end,
 895         int all,
 896         FileXML *file,
 897         const char *output_path)
 898 {
 899 // nothing selected
 900         if(start == end && !all) return 1;
 901
 902         Track* current;
 903
 904         for(current = first;
 905                 current;
 906                 current = NEXT)
 907         {
 908                 if(current->record || all)
 909                 {
 910                         current->copy(start, end, file,output_path);
 911                 }
 912         }
 913
 914         return 0;
 915 }
 916
 917
 918
 919 int Tracks::move_track_up(Track *track)
 920 {
 921         Track *next_track = track->previous;
 922         if(!next_track) next_track = last;
 923
 924         change_modules(number_of(track), number_of(next_track), 1);
 925
 926 // printf("Tracks::move_track_up 1 %p %p\n", track, next_track);
 927 // int count = 0;
 928 // for(Track *current = first; current && count < 5; current = NEXT, count++)
 929 //      printf("Tracks::move_track_up %p %p %p\n", current->previous, current, current->next);
 930 // printf("Tracks::move_track_up 2\n");
 931 //
 932         swap(track, next_track);
 933
 934 // count = 0;
 935 // for(Track *current = first; current && count < 5; current = NEXT, count++)
 936 //      printf("Tracks::move_track_up %p %p %p\n", current->previous, current, current->next);
 937 // printf("Tracks::move_track_up 3\n");
 938
 939         return 0;
 940 }
 941
 942 int Tracks::move_track_down(Track *track)
 943 {
 944         Track *next_track = track->next;
 945         if(!next_track) next_track = first;
 946
 947         change_modules(number_of(track), number_of(next_track), 1);
 948         swap(track, next_track);
 949         return 0;
 950 }
 951
 952
 953 int Tracks::move_tracks_up()
 954 {
 955         Track *track, *next_track;
 956         int result = 0;
 957
 958         for(track = first;
 959                 track;
 960                 track = next_track)
 961         {
 962                 next_track = track->next;
 963
 964                 if(track->record)
 965                 {
 966                         if(track->previous)
 967                         {
 968                                 change_modules(number_of(track->previous), number_of(track), 1);
 969
 970                                 swap(track->previous, track);
 971                                 result = 1;
 972                         }
 973                 }
 974         }
 975
 976         return result;
 977 }
 978
 979 int Tracks::move_tracks_down()
 980 {
 981         Track *track, *previous_track;
 982         int result = 0;
 983
 984         for(track = last;
 985                 track;
 986                 track = previous_track)
 987         {
 988                 previous_track = track->previous;
 989
 990                 if(track->record)
 991                 {
 992                         if(track->next)
 993                         {
 994                                 change_modules(number_of(track), number_of(track->next), 1);
 995
 996                                 swap(track, track->next);
 997                                 result = 1;
 998                         }
 999                 }
1000         }
1001
1002         return result;
1003 }
1004
1005
1006
1007 void Tracks::paste_audio_transition(PluginServer *server)
1008 {
1009         for(Track *current = first; current; current = NEXT)
1010         {
1011                 if(current->data_type == TRACK_AUDIO &&
1012                         current->record)
1013                 {
1014                         int64_t position = current->to_units(
1015                                 edl->local_session->get_selectionstart(), 0);
1016                         Edit *current_edit = current->edits->editof(position,
1017                                 PLAY_FORWARD,
1018                                 0);
1019                         if( !current_edit && position == current->edits->length() ) {
1020                                 double length = edl->session->default_transition_length;
1021                                 int64_t units = current->to_units(length, 1);
1022                                 current_edit = current->edits->create_silence(position, position+units);
1023                         }
1024                         if(current_edit)
1025                         {
1026                                 paste_transition(server, current_edit);
1027                         }
1028                 }
1029         }
1030 }
1031
1032 void Tracks::paste_automation(double selectionstart,
1033         FileXML *file,
1034         int default_only,
1035         int active_only,
1036         int typeless)
1037 {
1038         Track* current_track = 0;
1039         Track* current_atrack = 0;
1040         Track* current_vtrack = 0;
1041         Track* dst_track = 0;
1042         int src_type;
1043         int result = 0;
1044         double length;
1045         double frame_rate = edl->session->frame_rate;
1046         int64_t sample_rate = edl->session->sample_rate;
1047         char string[BCTEXTLEN];
1048         string[0] = 0;
1049
1050 // Search for start
1051         do{
1052           result = file->read_tag();
1053         }while(!result &&
1054                 !file->tag.title_is("AUTO_CLIPBOARD"));
1055
1056         if(!result)
1057         {
1058                 length = file->tag.get_property("LENGTH", 0);
1059                 frame_rate = file->tag.get_property("FRAMERATE", frame_rate);
1060                 sample_rate = file->tag.get_property("SAMPLERATE", sample_rate);
1061
1062
1063                 do
1064                 {
1065                         result = file->read_tag();
1066
1067                         if(!result)
1068                         {
1069                                 if(file->tag.title_is("/AUTO_CLIPBOARD"))
1070                                 {
1071                                         result = 1;
1072                                 }
1073                                 else
1074                                 if(file->tag.title_is("TRACK"))
1075                                 {
1076                                         file->tag.get_property("TYPE", string);
1077                                         if(!strcmp(string, "AUDIO"))
1078                                         {
1079                                                 src_type = TRACK_AUDIO;
1080                                         }
1081                                         else
1082                                         {
1083                                                 src_type = TRACK_VIDEO;
1084                                         }
1085
1086 // paste to any media type
1087                                         if(typeless)
1088                                         {
1089                                                 if(!current_track) current_track = first;
1090                                                 while(current_track && !current_track->record)
1091                                                         current_track = current_track->next;
1092                                                 dst_track = current_track;
1093                                         }
1094                                         else
1095                                         if(!strcmp(string, "AUDIO"))
1096                                         {
1097 // Get next audio track
1098                                                 if(!current_atrack)
1099                                                         current_atrack = first;
1100                                                 else
1101                                                         current_atrack = current_atrack->next;
1102
1103                                                 while(current_atrack &&
1104                                                         (current_atrack->data_type != TRACK_AUDIO ||
1105                                                         !current_atrack->record))
1106                                                         current_atrack = current_atrack->next;
1107                                                 dst_track = current_atrack;
1108                                         }
1109                                         else
1110                                         {
1111 // Get next video track
1112                                                 if(!current_vtrack)
1113                                                         current_vtrack = first;
1114                                                 else
1115                                                         current_vtrack = current_vtrack->next;
1116
1117                                                 while(current_vtrack &&
1118                                                         (current_vtrack->data_type != TRACK_VIDEO ||
1119                                                         !current_vtrack->record))
1120                                                         current_vtrack = current_vtrack->next;
1121
1122                                                 dst_track = current_vtrack;
1123                                         }
1124
1125                                         if(dst_track)
1126                                         {
1127                                                 double frame_rate2 = frame_rate;
1128                                                 double sample_rate2 = sample_rate;
1129
1130                                                 if(src_type != dst_track->data_type)
1131                                                 {
1132                                                         frame_rate2 = sample_rate;
1133                                                         sample_rate2 = frame_rate;
1134                                                 }
1135
1136                                                 dst_track->paste_automation(selectionstart,
1137                                                         length,
1138                                                         frame_rate2,
1139                                                         sample_rate2,
1140                                                         file,
1141                                                         default_only,
1142                                                         active_only);
1143                                         }
1144                                 }
1145                         }
1146                 }while(!result);
1147         }
1148 }
1149
1150 // int Tracks::paste_default_keyframe(FileXML *file)
1151 // {
1152 //      paste_automation(0, file, 1, 0);
1153 //      return 0;
1154 // }
1155
1156 void Tracks::paste_transition(PluginServer *server, Edit *dest_edit)
1157 {
1158         dest_edit->insert_transition(server->title);
1159 }
1160
1161 void Tracks::paste_video_transition(PluginServer *server, int first_track)
1162 {
1163         for(Track *current = first; current; current = NEXT)
1164         {
1165                 if(current->data_type == TRACK_VIDEO &&
1166                         current->record)
1167                 {
1168                         int64_t position = current->to_units(
1169                                 edl->local_session->get_selectionstart(), 0);
1170                         Edit *current_edit = current->edits->editof(position,
1171                                 PLAY_FORWARD,
1172                                 0);
1173                         if( !current_edit && position == current->edits->length() ) {
1174                                 double length = edl->session->default_transition_length;
1175                                 int64_t units = current->to_units(length, 1);
1176                                 current_edit = current->edits->create_silence(position, position+units);
1177                         }
1178                         if(current_edit)
1179                         {
1180                                 paste_transition(server, current_edit);
1181                         }
1182                         if(first_track) break;
1183                 }
1184         }
1185 }
1186
1187
1188 int Tracks::paste_silence(double start,
1189         double end,
1190         int edit_plugins,
1191         int edit_autos)
1192 {
1193         Track* current_track;
1194
1195         for(current_track = first;
1196                 current_track;
1197                 current_track = current_track->next)
1198         {
1199                 if(current_track->record)
1200                 {
1201                         current_track->paste_silence(start,
1202                                 end,
1203                                 edit_plugins,
1204                                 edit_autos);
1205                 }
1206         }
1207         return 0;
1208 }
1209
1210
1211
1212 int Tracks::select_auto(int cursor_x, int cursor_y)
1213 {
1214         int result = 0;
1215         for(Track* current = first; current && !result; current = NEXT) { result = current->select_auto(&auto_conf, cursor_x, cursor_y); }
1216         return result;
1217 }
1218
1219 int Tracks::move_auto(int cursor_x, int cursor_y, int shift_down)
1220 {
1221         int result = 0;
1222
1223         for(Track* current = first; current && !result; current = NEXT)
1224         {
1225                 result = current->move_auto(&auto_conf, cursor_x, cursor_y, shift_down);
1226         }
1227         return 0;
1228 }
1229
1230 int Tracks::modify_edithandles(double &oldposition,
1231         double &newposition,
1232         int currentend,
1233         int handle_mode,
1234         int edit_labels,
1235         int edit_plugins,
1236         int edit_autos)
1237 {
1238         Track *current;
1239
1240         for(current = first; current; current = NEXT)
1241         {
1242                 if(current->record)
1243                 {
1244                         current->modify_edithandles(oldposition,
1245                                 newposition,
1246                                 currentend,
1247                                 handle_mode,
1248                                 edit_labels,
1249                                 edit_plugins,
1250                                 edit_autos);
1251                 }
1252         }
1253         return 0;
1254 }
1255
1256 int Tracks::modify_pluginhandles(double &oldposition,
1257         double &newposition,
1258         int currentend,
1259         int handle_mode,
1260         int edit_labels,
1261         int edit_autos,
1262         Edits *trim_edits)
1263 {
1264         Track *current;
1265
1266         for(current = first; current; current = NEXT)
1267         {
1268                 if(current->record)
1269                 {
1270                         current->modify_pluginhandles(oldposition,
1271                                 newposition,
1272                                 currentend,
1273                                 handle_mode,
1274                                 edit_labels,
1275                                 edit_autos,
1276                                 trim_edits);
1277                 }
1278         }
1279         return 0;
1280 }
1281
1282
1283
1284 int Tracks::purge_asset(Asset *asset)
1285 {
1286         Track *current_track;
1287         int result = 0;
1288
1289         for(current_track = first; current_track; current_track = current_track->next)
1290         {
1291                 result += current_track->purge_asset(asset);
1292         }
1293         return result;
1294 }
1295
1296 int Tracks::asset_used(Asset *asset)
1297 {
1298         Track *current_track;
1299         int result = 0;
1300
1301         for(current_track = first; current_track; current_track = current_track->next)
1302         {
1303                 result += current_track->asset_used(asset);
1304         }
1305         return result;
1306 }
1307
1308 int Tracks::scale_time(float rate_scale, int ignore_record, int scale_edits, int scale_autos, int64_t start, int64_t end)
1309 {
1310         Track *current_track;
1311
1312         for(current_track = first;
1313                 current_track;
1314                 current_track = current_track->next)
1315         {
1316                 if((current_track->record || ignore_record) &&
1317                         current_track->data_type == TRACK_VIDEO)
1318                 {
1319                         current_track->scale_time(rate_scale, scale_edits, scale_autos, start, end);
1320                 }
1321         }
1322         return 0;
1323 }
1324