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 int Tracks::clear_hard_edges(double start, double end)
 124 {
 125         for( Track *track=first; track; track=track->next ) {
 126                 if( !track->record ) continue;
 127                 int64_t start_units = track->to_units(start, 0);
 128                 int64_t end_units = track->to_units(end, 0);
 129
 130                 for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
 131                         int64_t pos = edit->startproject;
 132                         if( pos > end_units ) break;
 133                         if( pos >= start_units ) {
 134                                 edit->hard_left = 0;
 135                                 if( edit->previous )
 136                                         edit->previous->hard_right = 0;
 137                         }
 138                         pos += edit->length;
 139                         if( pos > end_units ) break;
 140                         if( pos >= start_units ) {
 141                                 edit->hard_right = 0;
 142                                 if( edit->next )
 143                                         edit->next->hard_left = 0;
 144                         }
 145                 }
 146         }
 147         return 0;
 148 }
 149
 150 void Tracks::shuffle_edits(double start, double end)
 151 {
 152 // This doesn't affect automation or effects
 153 // Labels follow the first track.
 154         int first_track = 1;
 155         for(Track *current_track = first;
 156                 current_track;
 157                 current_track = current_track->next)
 158         {
 159                 if(current_track->record)
 160                 {
 161                         current_track->shuffle_edits(start, end, first_track);
 162
 163                         first_track = 0;
 164                 }
 165         }
 166 }
 167
 168 void Tracks::reverse_edits(double start, double end)
 169 {
 170 // This doesn't affect automation or effects
 171 // Labels follow the first track.
 172         int first_track = 1;
 173         for(Track *current_track = first;
 174                 current_track;
 175                 current_track = current_track->next)
 176         {
 177                 if(current_track->record)
 178                 {
 179                         current_track->reverse_edits(start, end, first_track);
 180
 181                         first_track = 0;
 182                 }
 183         }
 184 }
 185 void Tracks::align_edits(double start, double end)
 186 {
 187 // This doesn't affect automation or effects
 188         ArrayList<double> times;
 189
 190         for(Track *current_track = first;
 191                 current_track;
 192                 current_track = current_track->next)
 193         {
 194                 if(current_track->record)
 195                 {
 196                         current_track->align_edits(start, end, &times);
 197                 }
 198         }
 199 }
 200
 201 void Tracks::set_edit_length(double start, double end, double length)
 202 {
 203         int first_track = 1;
 204         for(Track *current_track = first;
 205                 current_track;
 206                 current_track = current_track->next)
 207         {
 208                 if(current_track->record)
 209                 {
 210 #define USE_FLOATING_LENGTHS
 211
 212 #ifdef USE_FLOATING_LENGTHS
 213
 214
 215 // The first edit anchors the length offsets.
 216 // Round edits up & down so they end where they would if they all had floating point lengths.
 217                         //int first_edit = 1;
 218                         int64_t start_units = current_track->to_units(start, 0);
 219                         int64_t end_units = current_track->to_units(end, 0);
 220 // Total time of edits accumulated, in track units
 221                         int64_t total_units = 0;
 222 // Number of length offsets added so far
 223                         int total_lengths = 0;
 224
 225                         for(Edit *current_edit = current_track->edits->last;
 226                                 current_edit;
 227                                 current_edit = current_edit->previous)
 228                         {
 229                                 if(current_edit->startproject >= start_units &&
 230                                         current_edit->startproject + current_edit->length <= end_units)
 231                                 {
 232 // Calculate true length based on number of length offsets & total time
 233                                         double end_time = (1 + total_lengths) * length;
 234                                         int64_t length_units = current_track->to_units(end_time, 0) -
 235                                                 total_units;
 236                                         if(length_units < 1) length_units = 1;
 237 //printf("Tracks::set_edit_length %d %f %f\n", __LINE__,
 238 // end_time, current_track->from_units(total_units));
 239                                         total_units += length_units;
 240
 241 // Go in using the edit handle interface
 242                                         int64_t starting_length = current_edit->length;
 243
 244                                         current_edit->shift_end(MOVE_RIPPLE,
 245                                                 current_edit->startproject + length_units,
 246                                                 current_edit->startproject + current_edit->length,
 247                                                 0,
 248                                                 edl->session->autos_follow_edits,
 249                                                 edl->session->plugins_follow_edits,
 250                                                 0);
 251
 252                                         int64_t ending_length = current_edit->length;
 253
 254                                         if(edl->session->labels_follow_edits && first_track)
 255                                         {
 256 // printf("Tracks::set_edit_length %d %f %f\n",
 257 // __LINE__,
 258 // current_track->from_units(current_edit->startproject + starting_length),
 259 // current_track->from_units(current_edit->startproject + ending_length));
 260                                                  edl->labels->modify_handles(
 261                                                         current_track->from_units(current_edit->startproject + starting_length),
 262                                                         current_track->from_units(current_edit->startproject + ending_length),
 263                                                         1);
 264                                         }
 265
 266
 267                                         //first_edit = 0;
 268                                         total_lengths++;
 269                                 }
 270                         }
 271
 272
 273
 274 #else // USE_FLOATING_LENGTHS
 275
 276 // The first edit anchors the length offsets.
 277 // The idea was to round edits up & down so they end where they should
 278 // if they all had floating point lengths.  It's easier just to make sure the framerate
 279 // is divisible by the required length.
 280 //                      int first_edit = 1;
 281                         int64_t start_units = current_track->to_units(start, 0);
 282                         int64_t end_units = current_track->to_units(end, 0);
 283                         int64_t length_units = current_track->to_units(length, 1);
 284 // Starting time of the length offsets in seconds
 285 //                      double start_time = 0;
 286 // Number of length offsets added so far
 287 //                      int total_lengths = 0;
 288
 289                         for(Edit *current_edit = current_track->edits->last;
 290                                 current_edit;
 291                                 current_edit = current_edit->previous)
 292                         {
 293                                 if(current_edit->startproject >= start_units &&
 294                                         current_edit->startproject + current_edit->length <= end_units)
 295                                 {
 296 // Calculate starting time of length offsets
 297 //                                      if(first_edit)
 298 //                                      {
 299 //                                              start_time = current_track->from_units(current_edit->startproject);
 300 //                                      }
 301
 302 // Calculate true length based on number of length offsets
 303 //                                      double end_time = start_time + (1 + total_lengths) * length;
 304 //                                      int64_t length_units = current_track->to_units(end_time, 0) -
 305 //                                              current_edit->startproject;
 306 //                                      if(length_units < 1) length_units = 1;
 307
 308 // Go in using the edit handle interface
 309                                         int64_t starting_length = current_edit->length;
 310
 311                                         current_edit->shift_end(MOVE_RIPPLE,
 312                                                 current_edit->startproject + length_units,
 313                                                 current_edit->startproject + current_edit->length,
 314                                                 0,
 315                                                 edl->session->autos_follow_edits,
 316                                                 edl->session->plugins_follow_edits,
 317                                                 0);
 318
 319                                         int64_t ending_length = current_edit->length;
 320
 321                                         if(edl->session->labels_follow_edits && first_track) {
 322 // printf("Tracks::set_edit_length %d %f %f\n", __LINE__,
 323 // current_track->from_units(current_edit->startproject + starting_length),
 324 // current_track->from_units(current_edit->startproject + ending_length));
 325                                                  edl->labels->modify_handles(
 326                                                         current_track->from_units(current_edit->startproject + starting_length),
 327                                                         current_track->from_units(current_edit->startproject + ending_length),
 328                                                         1);
 329                                         }
 330
 331
 332 //                                      first_edit = 0;
 333 //                                      total_lengths++;
 334                                 }
 335                         }
 336 #endif // !USE_FLOATING_LENGTHS
 337
 338                         first_track = 0;
 339                 }
 340         }
 341 }
 342
 343 void Tracks::set_transition_length(double start, double end, double length)
 344 {
 345         for(Track *current_track = first;
 346                 current_track;
 347                 current_track = current_track->next)
 348         {
 349                 if(current_track->record)
 350                 {
 351                         int64_t start_units = current_track->to_units(start, 0);
 352                         int64_t end_units = current_track->to_units(end, 0);
 353
 354                         for(Edit *current_edit = current_track->edits->first;
 355                                 current_edit;
 356                                 current_edit = current_edit->next)
 357                         {
 358                                 if(current_edit->startproject >= start_units &&
 359                                         current_edit->startproject < end_units &&
 360                                         current_edit->transition)
 361                                 {
 362                                         current_edit->transition->length =
 363                                                 current_track->to_units(length, 1);
 364                                         if( current_edit == current_track->edits->last &&
 365                                             current_edit->silence() ) {
 366                                                 current_edit->length = current_edit->transition->length;
 367                                         }
 368                                 }
 369                         }
 370                 }
 371         }
 372 }
 373
 374 void Tracks::set_transition_length(Transition *transition, double length)
 375 {
 376 // Must verify existence of transition
 377         int done = 0;
 378         if(!transition) return;
 379         for(Track *current_track = first;
 380                 current_track && !done;
 381                 current_track = current_track->next)
 382         {
 383                 for(Edit *current_edit = current_track->edits->first;
 384                         current_edit && !done;
 385                         current_edit = current_edit->next)
 386                 {
 387                         if(current_edit->transition == transition)
 388                         {
 389                                 transition->length = current_track->to_units(length, 1);
 390                                 if( current_edit == current_track->edits->last &&
 391                                     current_edit->silence() ) {
 392                                         current_edit->length = current_edit->transition->length;
 393                                 }
 394                                 done = 1;
 395                         }
 396                 }
 397         }
 398 }
 399
 400 void Tracks::paste_transitions(double start, double end, int track_type, char* title)
 401 {
 402         int count = 0;
 403         for( Track *track=first; track; track=track->next ) {
 404                 if( !track->record || track->data_type != track_type ) continue;
 405                 for( Edit *edit=track->edits->first;  edit; edit=edit->next ) {
 406                         if( !edit->is_selected ) continue;
 407                         edit->insert_transition(title);
 408                         ++count;
 409                 }
 410         }
 411         if( count > 0 ) {
 412                 clear_selected_edits();
 413                 return;
 414         }
 415
 416         for( Track *track=first; track; track=track->next ) {
 417                 if( !track->record || track->data_type != track_type ) continue;
 418                 int64_t start_units = track->to_units(start, 0);
 419                 int64_t end_units = track->to_units(end, 0);
 420                 if( start_units == end_units ) {
 421                         for( Edit *edit = track->edits->first; edit; edit = edit->next) {
 422                                 int64_t edit_start = edit->startproject;
 423                                 int64_t edit_end = edit_start + edit->length;
 424                                 if( edit_start > start_units ) continue;
 425                                 if( start_units == track->edits->length() ) {
 426                                         double length = edl->session->default_transition_length;
 427                                         int64_t units = track->to_units(length, 1);
 428                                         edit = track->edits->
 429                                                 create_silence(start_units, start_units+units);
 430                                 }
 431                                 else if( start_units >= edit_end ) continue;
 432                                 edit->insert_transition(title);
 433                         }
 434                 }
 435                 else {
 436                         for( Edit *edit=track->edits->first; edit; edit=edit->next) {
 437                                 int64_t edit_start = edit->startproject;
 438                                 if( !edit_start ) continue;
 439                                 if( edit_start >= start_units && edit_start < end_units ) {
 440                                         edit->insert_transition(title);
 441                                 }
 442                         }
 443                 }
 444         }
 445 }
 446
 447 void Tracks::set_automation_mode(double selectionstart,
 448         double selectionend,
 449         int mode)
 450 {
 451         Track* current_track;
 452
 453         for(current_track = first; current_track; current_track = current_track->next)
 454         {
 455                 if(current_track->record)
 456                 {
 457                         current_track->set_automation_mode(selectionstart,
 458                                 selectionend,
 459                                 mode);
 460                 }
 461         }
 462 }
 463
 464 int Tracks::clear_default_keyframe()
 465 {
 466         for(Track *current = first; current; current = NEXT)
 467         {
 468                 if(current->record)
 469                         current->clear_automation(0, 0, 0, 1);
 470         }
 471         return 0;
 472 }
 473
 474 int Tracks::clear_handle(double start,
 475         double end,
 476         double &longest_distance,
 477         int clear_labels,
 478         int clear_plugins,
 479         int edit_autos)
 480 {
 481         Track* current_track;
 482         double distance;
 483
 484         for(current_track = first; current_track; current_track = current_track->next)
 485         {
 486                 if(current_track->record)
 487                 {
 488                         current_track->clear_handle(start,
 489                                 end,
 490                                 clear_labels,
 491                                 clear_plugins,
 492                                 edit_autos,
 493                                 distance);
 494                         if(distance > longest_distance) longest_distance = distance;
 495                 }
 496         }
 497
 498         return 0;
 499 }
 500
 501 int Tracks::copy_automation(double selectionstart,
 502         double selectionend,
 503         FileXML *file,
 504         int default_only,
 505         int autos_only)
 506 {
 507 // called by MWindow::copy_automation for copying automation alone
 508         Track* current_track;
 509
 510         file->tag.set_title("AUTO_CLIPBOARD");
 511         file->tag.set_property("LENGTH", selectionend - selectionstart);
 512         file->tag.set_property("FRAMERATE", edl->session->frame_rate);
 513         file->tag.set_property("SAMPLERATE", edl->session->sample_rate);
 514         file->append_tag();
 515         file->append_newline();
 516         file->append_newline();
 517
 518         for(current_track = first;
 519                 current_track;
 520                 current_track = current_track->next)
 521         {
 522                 if(current_track->record)
 523                 {
 524                         current_track->copy_automation(selectionstart,
 525                                 selectionend,
 526                                 file,
 527                                 default_only,
 528                                 autos_only);
 529                 }
 530         }
 531
 532         file->tag.set_title("/AUTO_CLIPBOARD");
 533         file->append_tag();
 534         file->append_newline();
 535         file->terminate_string();
 536         return 0;
 537 }
 538
 539 // int Tracks::copy_default_keyframe(FileXML *file)
 540 // {
 541 //      copy_automation(0, 0, file, 1, 0);
 542 //      return 0;
 543 // }
 544
 545 int Tracks::delete_tracks()
 546 {
 547         int total_deleted = 0;
 548         int done = 0;
 549
 550         while(!done)
 551         {
 552                 done = 1;
 553                 Track *next_track = 0;
 554                 for (Track* current = first; current && done; current = next_track)
 555                 {
 556                         next_track = current->next;
 557                         if(current->record)
 558                         {
 559                                 delete_track(current);
 560                                 current = NULL;
 561                                 total_deleted++;
 562                                 done = 0;
 563                                 break;
 564                         }
 565                 }
 566         }
 567         return total_deleted;
 568 }
 569
 570 void Tracks::move_edits(ArrayList<Edit*> *in_edits, Track *track, double position,
 571         int edit_labels, int edit_plugins, int edit_autos, int mode)
 572 {
 573 // have to make a copy, optimize kills edits
 574         ArrayList<Edit*> edits;
 575         for( int i=0; i<in_edits->size(); ++i ) {
 576                 Edit *edit = in_edits->get(i);
 577                 Edit *new_edit = new Edit(edit->edl, edit->track);
 578                 new_edit->copy_from(edit);
 579                 edits.append(new_edit);
 580         }
 581
 582         int current_aedit = 0, current_vedit = 0;
 583 //printf("Tracks::move_edits 1\n");
 584         for( Track *dest_track=track; dest_track; dest_track=dest_track->next ) {
 585                 if( !dest_track->record ) continue;
 586 // Need a local copy of the source edit since the original source edit may
 587 // change in the editing operation.
 588 // Get source edit
 589                 Edit *source_edit = 0;
 590                 Track *clip_track = 0;
 591                 switch( dest_track->data_type ) {
 592                 case TRACK_AUDIO: {
 593                         while( current_aedit < edits.size() ) {
 594                                 Edit *edit = edits[current_aedit++];
 595                                 if( edit->track->data_type == TRACK_AUDIO ) {
 596                                         source_edit = edit;
 597                                         ATrack *atrack = new ATrack(dest_track->edl, 0);
 598                                         atrack->create_objects();
 599                                         clip_track = atrack;
 600                                         break;
 601                                 }
 602                         }
 603                         break; }
 604                 case TRACK_VIDEO: {
 605                         while( current_vedit < edits.size() ) {
 606                                 Edit *edit = edits[current_vedit++];
 607                                 if( edit->track->data_type == TRACK_VIDEO ) {
 608                                         source_edit = edit;
 609                                         VTrack *vtrack = new VTrack(dest_track->edl, 0);
 610                                         vtrack->create_objects();
 611                                         clip_track = vtrack;
 612                                         break;
 613                                 }
 614                         }
 615                         break; }
 616                 }
 617                 if( !source_edit ) continue;
 618
 619                 Track *source_track = source_edit->track;
 620                 int64_t start = source_edit->startproject;
 621                 int64_t length = source_edit->length, end = start + length;
 622                 double source_start = source_track->from_units(start);
 623                 double source_end = source_track->from_units(start+length);
 624                 double len = source_end - source_start;
 625                 double dest_start = position;
 626                 double dest_end = dest_start + len;
 627
 628                 if( edit_labels && dest_track == track ) {
 629                         FileXML label_xml;
 630                         Labels labels(0, "LABELS");
 631                         source_edit->edl->labels->copy(source_start, source_end, &label_xml);
 632                         source_edit->edl->labels->clear(source_start, source_end, mode);
 633                         if( !label_xml.read_tag() )
 634                                 labels.load(&label_xml, LOAD_ALL);
 635                         double pos = dest_start;
 636                         if( mode && source_start < dest_start ) pos -= len;
 637                         edl->labels->insert_labels(&labels, pos, len, mode);
 638                         edit_labels = 0;
 639                 }
 640
 641                 FileXML track_xml;
 642                 source_track->copy(COPY_TRACKS, source_start, source_end, &track_xml, "");
 643                 if( !track_xml.read_tag() )
 644                         clip_track->load(&track_xml, 0, LOAD_ALL);
 645
 646                 if( !mode ) { // mute and overwrite
 647                         source_track->clear(start, end, 1, 0,
 648                                 edit_plugins, edit_autos, 0);
 649                         source_track->edits->paste_silence(start, end);
 650                         if( edit_autos )
 651                                 source_track->shift_keyframes(start, length);
 652                         if( edit_plugins ) {
 653                                 int n = source_track->plugin_set.size();
 654                                 if( n > 0 ) dest_track->expand_view = 1;
 655                                 for( int k=0; k<n; ++k )
 656                                         source_track->plugin_set[k]->paste_silence(start, end, 1);
 657                         }
 658                         dest_track->clear(dest_start, dest_end, 1, 0,
 659                                 edit_plugins, edit_autos, 0);
 660                         dest_track->insert_track(clip_track, dest_start, 0,
 661                                 edit_plugins, edit_autos, len);
 662                 }
 663                 else { // cut and paste
 664                         dest_track->insert_track(clip_track, dest_start, 0,
 665                                 edit_plugins, edit_autos, len);
 666                         if( source_track == dest_track && dest_start < source_start ) {
 667                                 source_start += len;   source_end += len;
 668                         }
 669                         source_track->clear(source_start, source_end, 1, 0,
 670                                 edit_plugins, edit_autos, 0);
 671                 }
 672
 673                 delete clip_track;
 674                 dest_track->optimize();
 675         }
 676
 677         edits.remove_all_objects();
 678 }
 679
 680 void Tracks::move_effect(Plugin *plugin, Track *track, int64_t position)
 681 {
 682         Track *source_track = plugin->track;
 683         Plugin *result = 0;
 684 // Create a new plugin set
 685         double start = track->from_units(position);
 686         double length = track->from_units(plugin->length);
 687
 688         result = track->insert_effect("", &plugin->shared_location, 0, 0,
 689                                 start, length, plugin->plugin_type);
 690         result->copy_from(plugin);
 691         result->shift(position - plugin->startproject);
 692
 693 // Clear new plugin from old set
 694         plugin->plugin_set->clear(plugin->startproject,
 695                 plugin->startproject + plugin->length,
 696                 edl->session->autos_follow_edits);
 697
 698         source_track->optimize();
 699 }
 700
 701 void Tracks::move_effect(Plugin *plugin, PluginSet *plugin_set, int64_t position)
 702 {
 703 // src/dest track must be the same
 704 // replace plugin in source plugin_set with silence
 705         PluginSet *src_plugin_set = plugin->plugin_set;
 706         Plugin *silent = new Plugin(edl, src_plugin_set, "");
 707         silent->startproject = plugin->startproject;
 708         silent->length = plugin->length;
 709         src_plugin_set->insert_after(plugin, silent);
 710         src_plugin_set->remove_pointer(plugin);
 711 // truncate previous plugin
 712         Plugin *dest = (Plugin *)plugin_set->editof(position, PLAY_FORWARD, 0);
 713 // add plugin after dest
 714         plugin_set->insert_after(dest, plugin);
 715         if( dest ) {
 716                 dest->length = position - dest->startproject;
 717                 if( dest->length < 0 ) dest->length = 0;
 718         }
 719 // update plugin position
 720         plugin->startproject = position;
 721         plugin->plugin_set = plugin_set;
 722         plugin->edits = plugin_set;
 723         src_plugin_set->track->optimize();
 724 }
 725
 726 int Tracks::concatenate_tracks(int edit_plugins, int edit_autos)
 727 {
 728         Track *output_track, *first_output_track, *input_track;
 729         int i, data_type = TRACK_AUDIO;
 730         double output_start;
 731         int result = 0;
 732
 733 // Relocate tracks
 734         for(i = 0; i < 2; i++)
 735         {
 736 // Get first output track
 737                 for(output_track = first;
 738                         output_track;
 739                         output_track = output_track->next)
 740                         if(output_track->data_type == data_type &&
 741                                 output_track->record) break;
 742
 743                 first_output_track = output_track;
 744
 745 // Get first input track
 746                 for(input_track = first;
 747                         input_track;
 748                         input_track = input_track->next)
 749                 {
 750                         if(input_track->data_type == data_type &&
 751                                 input_track->play &&
 752                                 !input_track->record) break;
 753                 }
 754
 755
 756                 if(output_track && input_track)
 757                 {
 758 // Transfer input track to end of output track one at a time
 759                         while(input_track)
 760                         {
 761                                 output_start = output_track->get_length();
 762                                 output_track->insert_track(input_track,
 763                                         output_start,
 764                                         0,
 765                                         edit_plugins,
 766                                         edit_autos,
 767                                         0);
 768
 769 // Get next source and destination
 770                                 for(input_track = input_track->next;
 771                                         input_track;
 772                                         input_track = input_track->next)
 773                                 {
 774
 775                                         if(input_track->data_type == data_type &&
 776                                                 !input_track->record &&
 777                                                 input_track->play) break;
 778                                 }
 779
 780                                 for(output_track = output_track->next;
 781                                         output_track;
 782                                         output_track = output_track->next)
 783                                 {
 784                                         if(output_track->data_type == data_type &&
 785                                                 output_track->record) break;
 786                                 }
 787
 788                                 if(!output_track)
 789                                 {
 790                                         output_track = first_output_track;
 791                                 }
 792                         }
 793                         result = 1;
 794                 }
 795
 796                 if(data_type == TRACK_AUDIO) data_type = TRACK_VIDEO;
 797         }
 798
 799         return result;
 800 }
 801
 802 int Tracks::delete_all_tracks()
 803 {
 804         while(last) delete last;
 805         return 0;
 806 }
 807
 808
 809 void Tracks::change_modules(int old_location, int new_location, int do_swap)
 810 {
 811         for(Track* current = first ; current; current = current->next)
 812         {
 813                 current->change_modules(old_location, new_location, do_swap);
 814         }
 815 }
 816
 817 void Tracks::change_plugins(SharedLocation &old_location, SharedLocation &new_location, int do_swap)
 818 {
 819         for(Track* current = first ; current; current = current->next)
 820         {
 821                 current->change_plugins(old_location, new_location, do_swap);
 822         }
 823 }
 824
 825
 826
 827 // =========================================== EDL editing
 828
 829
 830 int Tracks::copy(int copy_flags, double start, double end,
 831                 FileXML *file, const char *output_path)
 832 {
 833         int all = (copy_flags & COPY_ALL) ? 1 : 0;
 834 // if nothing selected
 835         if( start == end && !all ) return 1;
 836         for( Track *track=first; track; track=track->next ) {
 837                 if( track->record || all )
 838                         track->copy(copy_flags, start, end, file, output_path);
 839         }
 840         return 0;
 841 }
 842
 843
 844
 845 int Tracks::move_track_up(Track *track)
 846 {
 847         Track *next_track = track->previous;
 848         if(!next_track) next_track = last;
 849
 850         change_modules(number_of(track), number_of(next_track), 1);
 851
 852 // printf("Tracks::move_track_up 1 %p %p\n", track, next_track);
 853 // int count = 0;
 854 // for(Track *current = first; current && count < 5; current = NEXT, count++)
 855 //      printf("Tracks::move_track_up %p %p %p\n", current->previous, current, current->next);
 856 // printf("Tracks::move_track_up 2\n");
 857 //
 858         swap(track, next_track);
 859
 860 // count = 0;
 861 // for(Track *current = first; current && count < 5; current = NEXT, count++)
 862 //      printf("Tracks::move_track_up %p %p %p\n", current->previous, current, current->next);
 863 // printf("Tracks::move_track_up 3\n");
 864
 865         return 0;
 866 }
 867
 868 int Tracks::move_track_down(Track *track)
 869 {
 870         Track *next_track = track->next;
 871         if(!next_track) next_track = first;
 872
 873         change_modules(number_of(track), number_of(next_track), 1);
 874         swap(track, next_track);
 875         return 0;
 876 }
 877
 878
 879 int Tracks::move_tracks_up()
 880 {
 881         int result = 0;
 882         Track *next = first;
 883         while( next ) {
 884                 Track *track = next;  next = track->next;
 885                 if( !track->record ) continue;
 886                 if( track->previous ) {
 887                         change_modules(number_of(track->previous), number_of(track), 1);
 888                         swap(track->previous, track);
 889                         result = 1;
 890                 }
 891         }
 892
 893         return result;
 894 }
 895
 896 int Tracks::move_tracks_down()
 897 {
 898         int result = 0;
 899         Track *prev = last;
 900         while( prev ) {
 901                 Track *track = prev;  prev = track->previous;
 902                 if( !track->record ) continue;
 903                 if( track->next ) {
 904                         change_modules(number_of(track), number_of(track->next), 1);
 905                         swap(track, track->next);
 906                         result = 1;
 907                 }
 908         }
 909
 910         return result;
 911 }
 912
 913
 914 void Tracks::paste_audio_transition(PluginServer *server)
 915 {
 916         for(Track *current = first; current; current = NEXT)
 917         {
 918                 if(current->data_type == TRACK_AUDIO &&
 919                         current->record)
 920                 {
 921                         int64_t position = current->to_units(
 922                                 edl->local_session->get_selectionstart(), 0);
 923                         Edit *current_edit = current->edits->editof(position,
 924                                 PLAY_FORWARD,
 925                                 0);
 926                         if( !current_edit && position == current->edits->length() ) {
 927                                 double length = edl->session->default_transition_length;
 928                                 int64_t units = current->to_units(length, 1);
 929                                 current_edit = current->edits->create_silence(position, position+units);
 930                         }
 931                         if(current_edit)
 932                         {
 933                                 paste_transition(server, current_edit);
 934                         }
 935                 }
 936         }
 937 }
 938
 939 void Tracks::paste_automation(double selectionstart,
 940         FileXML *file,
 941         int default_only,
 942         int active_only,
 943         int typeless)
 944 {
 945         Track* current_track = 0;
 946         Track* current_atrack = 0;
 947         Track* current_vtrack = 0;
 948         Track* dst_track = 0;
 949         int src_type;
 950         int result = 0;
 951         double length;
 952         double frame_rate = edl->session->frame_rate;
 953         int64_t sample_rate = edl->session->sample_rate;
 954         char string[BCTEXTLEN];
 955         string[0] = 0;
 956
 957 // Search for start
 958         do{
 959           result = file->read_tag();
 960         }while(!result &&
 961                 !file->tag.title_is("AUTO_CLIPBOARD"));
 962
 963         if(!result)
 964         {
 965                 length = file->tag.get_property("LENGTH", 0);
 966                 frame_rate = file->tag.get_property("FRAMERATE", frame_rate);
 967                 sample_rate = file->tag.get_property("SAMPLERATE", sample_rate);
 968
 969
 970                 do
 971                 {
 972                         result = file->read_tag();
 973
 974                         if(!result)
 975                         {
 976                                 if(file->tag.title_is("/AUTO_CLIPBOARD"))
 977                                 {
 978                                         result = 1;
 979                                 }
 980                                 else
 981                                 if(file->tag.title_is("TRACK"))
 982                                 {
 983                                         file->tag.get_property("TYPE", string);
 984                                         if(!strcmp(string, "AUDIO"))
 985                                         {
 986                                                 src_type = TRACK_AUDIO;
 987                                         }
 988                                         else
 989                                         {
 990                                                 src_type = TRACK_VIDEO;
 991                                         }
 992
 993 // paste to any media type
 994                                         if(typeless)
 995                                         {
 996                                                 if(!current_track) current_track = first;
 997                                                 while(current_track && !current_track->record)
 998                                                         current_track = current_track->next;
 999                                                 dst_track = current_track;
1000                                         }
1001                                         else
1002                                         if(!strcmp(string, "AUDIO"))
1003                                         {
1004 // Get next audio track
1005                                                 if(!current_atrack)
1006                                                         current_atrack = first;
1007                                                 else
1008                                                         current_atrack = current_atrack->next;
1009
1010                                                 while(current_atrack &&
1011                                                         (current_atrack->data_type != TRACK_AUDIO ||
1012                                                         !current_atrack->record))
1013                                                         current_atrack = current_atrack->next;
1014                                                 dst_track = current_atrack;
1015                                         }
1016                                         else
1017                                         {
1018 // Get next video track
1019                                                 if(!current_vtrack)
1020                                                         current_vtrack = first;
1021                                                 else
1022                                                         current_vtrack = current_vtrack->next;
1023
1024                                                 while(current_vtrack &&
1025                                                         (current_vtrack->data_type != TRACK_VIDEO ||
1026                                                         !current_vtrack->record))
1027                                                         current_vtrack = current_vtrack->next;
1028
1029                                                 dst_track = current_vtrack;
1030                                         }
1031
1032                                         if(dst_track)
1033                                         {
1034                                                 double frame_rate2 = frame_rate;
1035                                                 double sample_rate2 = sample_rate;
1036
1037                                                 if(src_type != dst_track->data_type)
1038                                                 {
1039                                                         frame_rate2 = sample_rate;
1040                                                         sample_rate2 = frame_rate;
1041                                                 }
1042
1043                                                 dst_track->paste_automation(selectionstart,
1044                                                         length,
1045                                                         frame_rate2,
1046                                                         sample_rate2,
1047                                                         file,
1048                                                         default_only,
1049                                                         active_only);
1050                                         }
1051                                 }
1052                         }
1053                 }while(!result);
1054         }
1055 }
1056
1057 // int Tracks::paste_default_keyframe(FileXML *file)
1058 // {
1059 //      paste_automation(0, file, 1, 0);
1060 //      return 0;
1061 // }
1062
1063 void Tracks::paste_transition(PluginServer *server, Edit *dest_edit)
1064 {
1065         dest_edit->insert_transition(server->title);
1066 }
1067
1068 void Tracks::paste_video_transition(PluginServer *server, int first_track)
1069 {
1070         for(Track *current = first; current; current = NEXT)
1071         {
1072                 if(current->data_type == TRACK_VIDEO &&
1073                         current->record)
1074                 {
1075                         int64_t position = current->to_units(
1076                                 edl->local_session->get_selectionstart(), 0);
1077                         Edit *current_edit = current->edits->editof(position,
1078                                 PLAY_FORWARD,
1079                                 0);
1080                         if( !current_edit && position == current->edits->length() ) {
1081                                 double length = edl->session->default_transition_length;
1082                                 int64_t units = current->to_units(length, 1);
1083                                 current_edit = current->edits->create_silence(position, position+units);
1084                         }
1085                         if(current_edit)
1086                         {
1087                                 paste_transition(server, current_edit);
1088                         }
1089                         if(first_track) break;
1090                 }
1091         }
1092 }
1093
1094
1095 int Tracks::paste_silence(double start,
1096         double end,
1097         int edit_plugins,
1098         int edit_autos)
1099 {
1100         Track* current_track;
1101
1102         for(current_track = first;
1103                 current_track;
1104                 current_track = current_track->next)
1105         {
1106                 if(current_track->record)
1107                 {
1108                         current_track->paste_silence(start,
1109                                 end,
1110                                 edit_plugins,
1111                                 edit_autos);
1112                 }
1113         }
1114         return 0;
1115 }
1116
1117
1118
1119 int Tracks::select_auto(int cursor_x, int cursor_y)
1120 {
1121         int result = 0;
1122         for(Track* current = first; current && !result; current = NEXT) { result = current->select_auto(&auto_conf, cursor_x, cursor_y); }
1123         return result;
1124 }
1125
1126 int Tracks::move_auto(int cursor_x, int cursor_y, int shift_down)
1127 {
1128         int result = 0;
1129
1130         for(Track* current = first; current && !result; current = NEXT)
1131         {
1132                 result = current->move_auto(&auto_conf, cursor_x, cursor_y, shift_down);
1133         }
1134         return 0;
1135 }
1136
1137 int Tracks::modify_edithandles(double &oldposition, double &newposition,
1138         int currentend, int handle_mode, int edit_labels,
1139         int edit_plugins, int edit_autos, int group_id)
1140 {
1141         for( Track *track=first; track; track=track->next ) {
1142                 if( !track->record ) continue;
1143                 track->modify_edithandles(oldposition, newposition,
1144                         currentend, handle_mode, edit_labels,
1145                         edit_plugins, edit_autos, group_id);
1146 // labels follow first armed track
1147                 edit_labels = 0;
1148         }
1149         return 0;
1150 }
1151
1152 int Tracks::modify_pluginhandles(double &oldposition, double &newposition,
1153         int currentend, int handle_mode, int edit_labels,
1154         int edit_autos, Edits *trim_edits)
1155 {
1156         for( Track *track=first; track; track=track->next ) {
1157                 if( !track->record ) continue;
1158                 track->modify_pluginhandles(oldposition, newposition,
1159                         currentend, handle_mode, edit_labels,
1160                         edit_autos, trim_edits);
1161         }
1162         return 0;
1163 }
1164
1165
1166 int Tracks::purge_asset(Asset *asset)
1167 {
1168         Track *current_track;
1169         int result = 0;
1170
1171         for(current_track = first; current_track; current_track = current_track->next)
1172         {
1173                 result += current_track->purge_asset(asset);
1174         }
1175         return result;
1176 }
1177
1178 int Tracks::asset_used(Asset *asset)
1179 {
1180         Track *current_track;
1181         int result = 0;
1182
1183         for(current_track = first; current_track; current_track = current_track->next)
1184         {
1185                 result += current_track->asset_used(asset);
1186         }
1187         return result;
1188 }
1189
1190 int Tracks::scale_time(float rate_scale, int ignore_record, int scale_edits, int scale_autos, int64_t start, int64_t end)
1191 {
1192         Track *current_track;
1193
1194         for(current_track = first;
1195                 current_track;
1196                 current_track = current_track->next)
1197         {
1198                 if((current_track->record || ignore_record) &&
1199                         current_track->data_type == TRACK_VIDEO)
1200                 {
1201                         current_track->scale_time(rate_scale, scale_edits, scale_autos, start, end);
1202                 }
1203         }
1204         return 0;
1205 }
1206