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