cinelerra-5.1/cinelerra/edit.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "asset.h"
  23 #include "assets.h"
  24 #include "bcsignals.h"
  25 #include "clip.h"
  26 #include "edit.h"
  27 #include "edits.h"
  28 #include "edl.h"
  29 #include "edlsession.h"
  30 #include "filexml.h"
  31 #include "filesystem.h"
  32 #include "localsession.h"
  33 #include "plugin.h"
  34 #include "mainsession.h"
  35 #include "strack.h"
  36 #include "trackcanvas.h"
  37 #include "tracks.h"
  38 #include "transition.h"
  39 #include <string.h>
  40
  41
  42 Edit::Edit()
  43 {
  44         reset();
  45 }
  46
  47 Edit::Edit(EDL *edl, Track *track)
  48 {
  49         reset();
  50         this->edl = edl;
  51         this->track = track;
  52         if(track) this->edits = track->edits;
  53         id = EDL::next_id();
  54 }
  55
  56 Edit::Edit(EDL *edl, Edits *edits)
  57 {
  58         reset();
  59         this->edl = edl;
  60         this->edits = edits;
  61         if(edits) this->track = edits->track;
  62         id = EDL::next_id();
  63 }
  64
  65 Edit::~Edit()
  66 {
  67 //printf("Edit::~Edit 1\n");
  68         if(transition) delete transition;
  69 //printf("Edit::~Edit 2\n");
  70 }
  71
  72 void Edit::reset()
  73 {
  74         edl = 0;
  75         track = 0;
  76         edits = 0;
  77         startsource = 0;
  78         startproject = 0;
  79         length = 0;
  80         asset = 0;
  81         transition = 0;
  82         channel = 0;
  83         user_title[0] = 0;
  84         nested_edl = 0;
  85         is_plugin = 0;
  86         is_selected = 0;
  87         hard_left = 0;
  88         hard_right = 0;
  89         color = 0;
  90         group_id = 0;
  91 }
  92
  93 Indexable* Edit::get_source()
  94 {
  95         if(asset) return asset;
  96         if(nested_edl) return nested_edl;
  97         return 0;
  98 }
  99
 100 int Edit::copy(int64_t start,
 101         int64_t end,
 102         FileXML *file,
 103         const char *output_path)
 104 {
 105 // variables
 106 //printf("Edit::copy 1\n");
 107
 108         int64_t endproject = startproject + length;
 109         int result;
 110
 111         if((startproject >= start && startproject <= end) ||  // startproject in range
 112                  (endproject <= end && endproject >= start) ||     // endproject in range
 113                  (startproject <= start && endproject >= end))    // range in project
 114         {
 115 // edit is in range
 116                 int64_t startproject_in_selection = startproject; // start of edit in selection in project
 117                 int64_t startsource_in_selection = startsource; // start of source in selection in source
 118                 //int64_t endsource_in_selection = startsource + length; // end of source in selection
 119                 int64_t length_in_selection = length;             // length of edit in selection
 120 //printf("Edit::copy 2\n");
 121
 122                 if(startproject < start)
 123                 {         // start is after start of edit in project
 124                         int64_t length_difference = start - startproject;
 125
 126                         startsource_in_selection += length_difference;
 127                         startproject_in_selection += length_difference;
 128                         length_in_selection -= length_difference;
 129                 }
 130 //printf("Edit::copy 3\n");
 131
 132                 if(endproject > end)
 133                 {         // end is before end of edit in project
 134                         length_in_selection = end - startproject_in_selection;
 135                 }
 136
 137 //printf("Edit::copy 4\n");
 138                 if(file)    // only if not counting
 139                 {
 140                         file->tag.set_title("EDIT");
 141                         file->tag.set_property("STARTSOURCE", startsource_in_selection);
 142                         file->tag.set_property("CHANNEL", (int64_t)channel);
 143                         file->tag.set_property("LENGTH", length_in_selection);
 144                         file->tag.set_property("HARD_LEFT", hard_left);
 145                         file->tag.set_property("HARD_RIGHT", hard_right);
 146                         file->tag.set_property("COLOR", color);
 147                         file->tag.set_property("GROUP_ID", group_id);
 148                         if(user_title[0]) file->tag.set_property("USER_TITLE", user_title);
 149 //printf("Edit::copy 5\n");
 150
 151                         copy_properties_derived(file, length_in_selection);
 152
 153                         file->append_tag();
 154 //                      file->append_newline();
 155 //printf("Edit::copy 6\n");
 156
 157                         if(nested_edl)
 158                         {
 159                                 file->tag.set_title("NESTED_EDL");
 160                                 file->tag.set_property("SRC", nested_edl->path);
 161                                 file->append_tag();
 162                                 file->tag.set_title("/NESTED_EDL");
 163                                 file->append_tag();
 164                                 file->append_newline();
 165                         }
 166
 167                         if(asset)
 168                         {
 169 //printf("Edit::copy 6 %s\n", asset->path);
 170                                 char stored_path[BCTEXTLEN];
 171                                 char asset_directory[BCTEXTLEN];
 172                                 char output_directory[BCTEXTLEN];
 173                                 FileSystem fs;
 174
 175 //printf("Edit::copy %d %s\n", __LINE__, asset->path);
 176                                 fs.extract_dir(asset_directory, asset->path);
 177 //printf("Edit::copy %d %s\n", __LINE__, asset->path);
 178
 179                                 if(output_path)
 180                                         fs.extract_dir(output_directory, output_path);
 181                                 else
 182                                         output_directory[0] = 0;
 183 //printf("Edit::copy %s, %s %s, %s\n", asset->path, asset_directory, output_path, output_directory);
 184
 185                                 if(output_path && !strcmp(asset_directory, output_directory))
 186                                         fs.extract_name(stored_path, asset->path);
 187                                 else
 188                                         strcpy(stored_path, asset->path);
 189
 190                                 file->tag.set_title("FILE");
 191                                 file->tag.set_property("SRC", stored_path);
 192                                 file->append_tag();
 193                                 file->tag.set_title("/FILE");
 194                                 file->append_tag();
 195                         }
 196
 197                         if(transition && startsource_in_selection == startsource)
 198                         {
 199                                 transition->save_xml(file);
 200                         }
 201
 202 //printf("Edit::copy 7\n");
 203                         file->tag.set_title("/EDIT");
 204                         file->append_tag();
 205                         file->append_newline();
 206 //printf("Edit::copy 8\n");
 207                 }
 208 //printf("Edit::copy 9\n");
 209                 result = 1;
 210         }
 211         else
 212         {
 213                 result = 0;
 214         }
 215 //printf("Edit::copy 10\n");
 216         return result;
 217 }
 218
 219
 220 int64_t Edit::get_source_end(int64_t default_)
 221 {
 222         return default_;
 223 }
 224
 225 void Edit::insert_transition(char *title)
 226 {
 227 //printf("Edit::insert_transition this=%p title=%p title=%s\n", this, title, title);
 228         delete transition;
 229         transition = new Transition(edl, this, title,
 230                 track->to_units(edl->session->default_transition_length, 1));
 231 }
 232
 233 void Edit::detach_transition()
 234 {
 235         if(transition) delete transition;
 236         transition = 0;
 237 }
 238
 239 int Edit::silence()
 240 {
 241         return (track->data_type != TRACK_SUBTITLE ?
 242                 asset || nested_edl :
 243                 *((SEdit *)this)->get_text()) ? 0 : 1;
 244 }
 245 void Edit::mute()
 246 {
 247         if( track->data_type != TRACK_SUBTITLE ) {
 248                 asset = 0;
 249                 nested_edl = 0;
 250         }
 251         else
 252                 *((SEdit *)this)->get_text() = 0;
 253 }
 254
 255 void Edit::copy_from(Edit *edit)
 256 {
 257         this->nested_edl = edl->nested_edls.get_nested(edit->nested_edl);
 258         this->asset = edl->assets->update(edit->asset);
 259         this->startsource = edit->startsource;
 260         this->startproject = edit->startproject;
 261         this->length = edit->length;
 262         this->hard_left = edit->hard_left;
 263         this->hard_right = edit->hard_right;
 264         this->color = edit->color;
 265         this->group_id = edit->group_id;
 266         strcpy (this->user_title, edit->user_title);
 267
 268         if(edit->transition)
 269         {
 270                 if(!transition) transition = new Transition(edl,
 271                         this,
 272                         edit->transition->title,
 273                         edit->transition->length);
 274                 *this->transition = *edit->transition;
 275         }
 276         this->channel = edit->channel;
 277 }
 278
 279 void Edit::equivalent_output(Edit *edit, int64_t *result)
 280 {
 281 // End of edit changed
 282         if(startproject + length != edit->startproject + edit->length)
 283         {
 284                 int64_t new_length = MIN(startproject + length,
 285                         edit->startproject + edit->length);
 286                 if(*result < 0 || new_length < *result)
 287                         *result = new_length;
 288         }
 289
 290         if(
 291 // Different nested EDLs
 292                 (edit->nested_edl && !nested_edl) ||
 293                 (!edit->nested_edl && nested_edl) ||
 294 // Different assets
 295                 (edit->asset == 0 && asset != 0) ||
 296                 (edit->asset != 0 && asset == 0) ||
 297 // different transitions
 298                 (edit->transition == 0 && transition != 0) ||
 299                 (edit->transition != 0 && transition == 0) ||
 300 // Position changed
 301                 (startproject != edit->startproject) ||
 302                 (startsource != edit->startsource) ||
 303 // Transition changed
 304                 (transition && edit->transition &&
 305                         !transition->identical(edit->transition)) ||
 306 // Asset changed
 307                 (asset && edit->asset &&
 308                         !asset->equivalent(*edit->asset, 1, 1, edl)) ||
 309 // Nested EDL changed
 310                 (nested_edl && edit->nested_edl &&
 311                         strcmp(nested_edl->path, edit->nested_edl->path))
 312                 )
 313         {
 314 // Start of edit changed
 315                 if(*result < 0 || startproject < *result) *result = startproject;
 316         }
 317 }
 318
 319
 320 Edit& Edit::operator=(Edit& edit)
 321 {
 322 //printf("Edit::operator= called\n");
 323         copy_from(&edit);
 324         return *this;
 325 }
 326
 327 void Edit::synchronize_params(Edit *edit)
 328 {
 329         copy_from(edit);
 330 }
 331
 332
 333 // Comparison for ResourcePixmap drawing
 334 int Edit::identical(Edit &edit)
 335 {
 336         int result = (this->nested_edl == edit.nested_edl &&
 337                 this->asset == edit.asset &&
 338                 this->startsource == edit.startsource &&
 339                 this->startproject == edit.startproject &&
 340                 this->length == edit.length &&
 341                 this->transition == edit.transition &&
 342                 this->channel == edit.channel);
 343         return result;
 344 }
 345
 346 int Edit::operator==(Edit &edit)
 347 {
 348         return identical(edit);
 349 }
 350
 351 double Edit::frames_per_picon()
 352 {
 353         return Units::round(picon_w()) / frame_w();
 354 }
 355
 356 double Edit::frame_w()
 357 {
 358         return track->from_units(1) *
 359                 edl->session->sample_rate /
 360                 edl->local_session->zoom_sample;
 361 }
 362
 363 double Edit::picon_w()
 364 {
 365         int w = 0, h = 0;
 366         if(asset) {
 367                 w = asset->width;
 368                 h = asset->height;
 369         }
 370         else if(nested_edl) {
 371                 w = nested_edl->session->output_w;
 372                 h = nested_edl->session->output_h;
 373         }
 374         return w>0 && h>0 ? ((double)edl->local_session->zoom_track*w)/h : 0;
 375 }
 376
 377 int Edit::picon_h()
 378 {
 379         return edl->local_session->zoom_track;
 380 }
 381
 382
 383 int Edit::dump(FILE *fp)
 384 {
 385         fprintf(fp,"     EDIT %p\n", this); fflush(fp);
 386         fprintf(fp,"      nested_edl=%p %s asset=%p %s\n",
 387                 nested_edl,
 388                 nested_edl ? nested_edl->path : "",
 389                 asset,
 390                 asset ? asset->path : "");
 391         fflush(fp);
 392         fprintf(fp,"      channel %d, color %08x, group_id %d, is_selected %d\n",
 393                 channel, color, group_id, is_selected);
 394         if(transition)
 395         {
 396                 fprintf(fp,"      TRANSITION %p\n", transition);
 397                 transition->dump(fp);
 398         }
 399         fprintf(fp,"      startsource %jd startproject %jd hard lt/rt %d/%d length %jd\n",
 400                 startsource, startproject, hard_left, hard_right, length); fflush(fp);
 401         return 0;
 402 }
 403
 404 int Edit::load_properties(FileXML *file, int64_t &startproject)
 405 {
 406         startsource = file->tag.get_property("STARTSOURCE", (int64_t)0);
 407         length = file->tag.get_property("LENGTH", (int64_t)0);
 408         hard_left = file->tag.get_property("HARD_LEFT", (int64_t)0);
 409         hard_right = file->tag.get_property("HARD_RIGHT", (int64_t)0);
 410         color = file->tag.get_property("COLOR", 0);
 411         group_id = file->tag.get_property("GROUP_ID", group_id);
 412         user_title[0] = 0;
 413         file->tag.get_property("USER_TITLE", user_title);
 414         this->startproject = startproject;
 415         load_properties_derived(file);
 416         return 0;
 417 }
 418
 419 void Edit::shift(int64_t difference)
 420 {
 421 //printf("Edit::shift 1 %p %jd %jd\n", this, startproject, difference);
 422         startproject += difference;
 423 //printf("Edit::shift 2 %jd %jd\n", startproject, difference);
 424 }
 425
 426 int Edit::shift_start_in(int edit_mode,
 427         int64_t newposition,
 428         int64_t oldposition,
 429         int edit_edits,
 430         int edit_labels,
 431         int edit_plugins,
 432         int edit_autos,
 433         Edits *trim_edits)
 434 {
 435         int64_t cut_length = newposition - oldposition;
 436         int64_t end_previous_source, end_source;
 437
 438         if(edit_mode == MOVE_ALL_EDITS)
 439         {
 440                 if(cut_length < length)
 441                 {        // clear partial
 442                         edits->clear_recursive(oldposition,
 443                                 newposition,
 444                                 edit_edits,
 445                                 edit_labels,
 446                                 edit_plugins,
 447                                 edit_autos,
 448                                 trim_edits);
 449                 }
 450                 else
 451                 {        // clear entire
 452                         edits->clear_recursive(oldposition,
 453                                 startproject + length,
 454                                 edit_edits,
 455                                 edit_labels,
 456                                 edit_plugins,
 457                                 edit_autos,
 458                                 trim_edits);
 459                 }
 460         }
 461         else
 462         if(edit_mode == MOVE_ONE_EDIT)
 463         {
 464 // Paste silence and cut
 465 //printf("Edit::shift_start_in 1\n");
 466                 if(!previous)
 467                 {
 468                         Edit *new_edit = edits->create_edit();
 469                         new_edit->startproject = this->startproject;
 470                         new_edit->length = 0;
 471                         edits->insert_before(this,
 472                                 new_edit);
 473                 }
 474 //printf("Edit::shift_start_in 2 %p\n", previous);
 475
 476                 end_previous_source = previous->get_source_end(previous->startsource + previous->length + cut_length);
 477                 if(end_previous_source > 0 &&
 478                         previous->startsource + previous->length + cut_length > end_previous_source)
 479                         cut_length = end_previous_source - previous->startsource - previous->length;
 480
 481                 if(cut_length < length)
 482                 {               // Move in partial
 483                         startproject += cut_length;
 484                         startsource += cut_length;
 485                         length -= cut_length;
 486                         previous->length += cut_length;
 487 //printf("Edit::shift_start_in 2\n");
 488                 }
 489                 else
 490                 {               // Clear entire edit
 491                         cut_length = length;
 492                         previous->length += cut_length;
 493                         for(Edit* current_edit = this; current_edit; current_edit = current_edit->next)
 494                         {
 495                                 current_edit->startproject += cut_length;
 496                         }
 497                         edits->clear_recursive(oldposition + cut_length,
 498                                 startproject + cut_length,
 499                                 edit_edits,
 500                                 edit_labels,
 501                                 edit_plugins,
 502                                 edit_autos,
 503                                 trim_edits);
 504                 }
 505 //printf("Edit::shift_start_in 3\n");
 506         }
 507         else
 508         if(edit_mode == MOVE_NO_EDITS)
 509         {
 510                 end_source = get_source_end(startsource + length + cut_length);
 511                 if(end_source > 0 && startsource + length + cut_length > end_source)
 512                         cut_length = end_source - startsource - length;
 513
 514                 startsource += cut_length;
 515         }
 516         return 0;
 517 }
 518
 519 int Edit::shift_start_out(int edit_mode,
 520         int64_t newposition,
 521         int64_t oldposition,
 522         int edit_edits,
 523         int edit_labels,
 524         int edit_plugins,
 525         int edit_autos,
 526         Edits *trim_edits)
 527 {
 528         int64_t cut_length = oldposition - newposition;
 529
 530
 531         if(asset || nested_edl)
 532         {
 533                 int64_t end_source = get_source_end(1);
 534
 535 //printf("Edit::shift_start_out 1 %jd %jd\n", startsource, cut_length);
 536                 if(end_source > 0 && startsource < cut_length)
 537                 {
 538                         cut_length = startsource;
 539                 }
 540         }
 541
 542         if(edit_mode == MOVE_ALL_EDITS)
 543         {
 544 //printf("Edit::shift_start_out 10 %jd\n", cut_length);
 545                 startsource -= cut_length;
 546                 length += cut_length;
 547
 548                 if(edit_autos)
 549                         edits->shift_keyframes_recursive(startproject,
 550                                 cut_length);
 551                 if(edit_plugins)
 552                         edits->shift_effects_recursive(startproject,
 553                                 cut_length,
 554                                 edit_autos);
 555
 556                 for(Edit* current_edit = next; current_edit; current_edit = current_edit->next)
 557                 {
 558                         current_edit->startproject += cut_length;
 559                 }
 560         }
 561         else
 562         if(edit_mode == MOVE_ONE_EDIT)
 563         {
 564                 if(previous)
 565                 {
 566                         if(cut_length < previous->length)
 567                         {   // Cut into previous edit
 568                                 previous->length -= cut_length;
 569                                 startproject -= cut_length;
 570                                 startsource -= cut_length;
 571                                 length += cut_length;
 572                         }
 573                         else
 574                         {   // Clear entire previous edit
 575                                 cut_length = previous->length;
 576                                 previous->length = 0;
 577                                 length += cut_length;
 578                                 startsource -= cut_length;
 579                                 startproject -= cut_length;
 580                         }
 581                 }
 582         }
 583         else
 584         if(edit_mode == MOVE_NO_EDITS)
 585         {
 586                 startsource -= cut_length;
 587         }
 588
 589 // Fix infinite length files
 590         if(startsource < 0) startsource = 0;
 591         return 0;
 592 }
 593
 594 int Edit::shift_end_in(int edit_mode,
 595         int64_t newposition,
 596         int64_t oldposition,
 597         int edit_edits,
 598         int edit_labels,
 599         int edit_plugins,
 600         int edit_autos,
 601         Edits *trim_edits)
 602 {
 603         int64_t cut_length = oldposition - newposition;
 604
 605         if(edit_mode == MOVE_ALL_EDITS)
 606         {
 607 //printf("Edit::shift_end_in 1\n");
 608                 if(newposition > startproject)
 609                 {        // clear partial edit
 610 //printf("Edit::shift_end_in %p %p\n", track->edits, edits);
 611                         edits->clear_recursive(newposition,
 612                                 oldposition,
 613                                 edit_edits,
 614                                 edit_labels,
 615                                 edit_plugins,
 616                                 edit_autos,
 617                                 trim_edits);
 618                 }
 619                 else
 620                 {        // clear entire edit
 621                         edits->clear_recursive(startproject,
 622                                 oldposition,
 623                                 edit_edits,
 624                                 edit_labels,
 625                                 edit_plugins,
 626                                 edit_autos,
 627                                 trim_edits);
 628                 }
 629         }
 630         else
 631         if(edit_mode == MOVE_ONE_EDIT)
 632         {
 633                 if(next)
 634                 {
 635                         if(next->asset)
 636                         {
 637                                 int64_t end_source = next->get_source_end(1);
 638
 639                                 if(end_source > 0 && next->startsource - cut_length < 0)
 640                                 {
 641                                         cut_length = next->startsource;
 642                                 }
 643                         }
 644
 645                         if(cut_length < length)
 646                         {
 647                                 length -= cut_length;
 648                                 next->startproject -= cut_length;
 649                                 next->startsource -= cut_length;
 650                                 next->length += cut_length;
 651 //printf("Edit::shift_end_in 2 %d\n", cut_length);
 652                         }
 653                         else
 654                         {
 655                                 cut_length = length;
 656                                 next->length += cut_length;
 657                                 next->startsource -= cut_length;
 658                                 next->startproject -= cut_length;
 659                                 length -= cut_length;
 660                         }
 661                 }
 662                 else
 663                 {
 664                         if(cut_length < length)
 665                         {
 666                                 length -= cut_length;
 667                         }
 668                         else
 669                         {
 670                                 cut_length = length;
 671                                 edits->clear_recursive(startproject,
 672                                         oldposition,
 673                                         edit_edits,
 674                                         edit_labels,
 675                                         edit_plugins,
 676                                         edit_autos,
 677                                         trim_edits);
 678                         }
 679                 }
 680         }
 681         else
 682 // Does nothing for plugins
 683         if(edit_mode == MOVE_NO_EDITS)
 684         {
 685 //printf("Edit::shift_end_in 3\n");
 686                 int64_t end_source = get_source_end(1);
 687                 if(end_source > 0 && startsource < cut_length)
 688                 {
 689                         cut_length = startsource;
 690                 }
 691                 startsource -= cut_length;
 692         }
 693         return 0;
 694 }
 695
 696 int Edit::shift_end_out(int edit_mode,
 697         int64_t newposition,
 698         int64_t oldposition,
 699         int edit_edits,
 700         int edit_labels,
 701         int edit_plugins,
 702         int edit_autos,
 703         Edits *trim_edits)
 704 {
 705         int64_t cut_length = newposition - oldposition;
 706         int64_t endsource = get_source_end(startsource + length + cut_length);
 707
 708 // check end of edit against end of source file
 709         if(endsource > 0 && startsource + length + cut_length > endsource)
 710                 cut_length = endsource - startsource - length;
 711
 712 //printf("Edit::shift_end_out 1 %jd %d %d %d\n", oldposition, newposition, this->length, cut_length);
 713         if(edit_mode == MOVE_ALL_EDITS)
 714         {
 715 // Extend length
 716                 this->length += cut_length;
 717
 718 // Effects are shifted in length extension
 719                 if(edit_plugins)
 720                         edits->shift_effects_recursive(oldposition /* startproject */,
 721                                 cut_length,
 722                                 edit_autos);
 723                 if(edit_autos)
 724                         edits->shift_keyframes_recursive(oldposition /* startproject */,
 725                                 cut_length);
 726
 727                 for(Edit* current_edit = next; current_edit; current_edit = current_edit->next)
 728                 {
 729                         current_edit->startproject += cut_length;
 730                 }
 731         }
 732         else
 733         if(edit_mode == MOVE_ONE_EDIT)
 734         {
 735                 if(next)
 736                 {
 737                         if(cut_length < next->length)
 738                         {
 739                                 length += cut_length;
 740                                 next->startproject += cut_length;
 741                                 next->startsource += cut_length;
 742                                 next->length -= cut_length;
 743 //printf("Edit::shift_end_out %d cut_length=%d\n", __LINE__, cut_length);
 744                         }
 745                         else
 746                         {
 747 //printf("Edit::shift_end_out %d cut_length=%d next->length=%d\n", __LINE__, cut_length, next->length);
 748                                 cut_length = next->length;
 749                                 next->startproject += next->length;
 750                                 next->startsource += next->length;
 751                                 next->length = 0;
 752                                 length += cut_length;
 753 //track->dump();
 754                         }
 755                 }
 756                 else
 757                 {
 758                         length += cut_length;
 759                 }
 760         }
 761         else
 762         if(edit_mode == MOVE_NO_EDITS)
 763         {
 764                 startsource += cut_length;
 765         }
 766         return 0;
 767 }
 768
 769 int Edit::popup_transition(float view_start, float zoom_units, int cursor_x, int cursor_y)
 770 {
 771         int64_t left, right, left_unit, right_unit;
 772         if(!transition) return 0;
 773         get_handle_parameters(left, right, left_unit, right_unit, view_start, zoom_units);
 774
 775         if(cursor_x > left && cursor_x < right)
 776         {
 777 //              transition->popup_transition(cursor_x, cursor_y);
 778                 return 1;
 779         }
 780         return 0;
 781 }
 782
 783 int Edit::select_handle(float view_start, float zoom_units, int cursor_x, int cursor_y, int64_t &selection)
 784 {
 785         int64_t left, right, left_unit, right_unit;
 786         get_handle_parameters(left, right, left_unit, right_unit, view_start, zoom_units);
 787
 788         int64_t pixel1, pixel2;
 789         pixel1 = left;
 790         pixel2 = pixel1 + 10;
 791
 792 // test left edit
 793 // cursor_x is faked in acanvas
 794         if(cursor_x >= pixel1 && cursor_x <= pixel2)
 795         {
 796                 selection = left_unit;
 797                 return 1;     // left handle
 798         }
 799
 800         //int64_t endproject = startproject + length;
 801         pixel2 = right;
 802         pixel1 = pixel2 - 10;
 803
 804 // test right edit
 805         if(cursor_x >= pixel1 && cursor_x <= pixel2)
 806         {
 807                 selection = right_unit;
 808                 return 2;     // right handle
 809         }
 810         return 0;
 811 }
 812
 813 void Edit::get_title(char *title)
 814 {
 815         if( user_title[0] ) {
 816                 strcpy(title, user_title);
 817                 return;
 818         }
 819         Indexable *idxbl = asset ? (Indexable*)asset : (Indexable*)nested_edl;
 820         if( !idxbl ) {
 821                 title[0] = 0;
 822                 return;
 823         }
 824         FileSystem fs;
 825         fs.extract_name(title, idxbl->path);
 826         if( asset || track->data_type == TRACK_AUDIO ) {
 827                 char number[BCSTRLEN];
 828                 sprintf(number, " #%d", channel + 1);
 829                 strcat(title, number);
 830         }
 831 }
 832