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 "labels.h"
  33 #include "localsession.h"
  34 #include "plugin.h"
  35 #include "mainsession.h"
  36 #include "strack.h"
  37 #include "trackcanvas.h"
  38 #include "tracks.h"
  39 #include "transition.h"
  40 #include <string.h>
  41
  42
  43 Edit::Edit()
  44 {
  45         reset();
  46 }
  47
  48 Edit::Edit(EDL *edl, Track *track)
  49 {
  50         reset();
  51         this->edl = edl;
  52         this->track = track;
  53         if(track) this->edits = track->edits;
  54         id = EDL::next_id();
  55         orig_id = id;
  56 }
  57
  58 Edit::Edit(EDL *edl, Edits *edits)
  59 {
  60         reset();
  61         this->edl = edl;
  62         this->edits = edits;
  63         if(edits) this->track = edits->track;
  64         id = EDL::next_id();
  65         orig_id = id;
  66 }
  67
  68 Edit::~Edit()
  69 {
  70 //printf("Edit::~Edit 1\n");
  71         if(transition) delete transition;
  72 //printf("Edit::~Edit 2\n");
  73 }
  74
  75 void Edit::reset()
  76 {
  77         edl = 0;
  78         track = 0;
  79         edits = 0;
  80         startsource = 0;
  81         startproject = 0;
  82         length = 0;
  83         asset = 0;
  84         transition = 0;
  85         channel = 0;
  86         user_title[0] = 0;
  87         nested_edl = 0;
  88         is_selected = 0;
  89         hard_left = 0;
  90         hard_right = 0;
  91         color = 0;
  92         group_id = 0;
  93 }
  94
  95 Indexable* Edit::get_source()
  96 {
  97         if(asset) return asset;
  98         if(nested_edl) return nested_edl;
  99         return 0;
 100 }
 101
 102 int Edit::copy(int64_t start,
 103         int64_t end,
 104         FileXML *file,
 105         const char *output_path)
 106 {
 107 // variables
 108 //printf("Edit::copy 1\n");
 109
 110         int64_t endproject = startproject + length;
 111         int result;
 112
 113         if((startproject >= start && startproject <= end) ||  // startproject in range
 114                  (endproject <= end && endproject >= start) ||     // endproject in range
 115                  (startproject <= start && endproject >= end))    // range in project
 116         {
 117 // edit is in range
 118                 int64_t startproject_in_selection = startproject; // start of edit in selection in project
 119                 int64_t startsource_in_selection = startsource; // start of source in selection in source
 120                 //int64_t endsource_in_selection = startsource + length; // end of source in selection
 121                 int64_t length_in_selection = length;             // length of edit in selection
 122 //printf("Edit::copy 2\n");
 123
 124                 if(startproject < start)
 125                 {         // start is after start of edit in project
 126                         int64_t length_difference = start - startproject;
 127
 128                         startsource_in_selection += length_difference;
 129                         startproject_in_selection += length_difference;
 130                         length_in_selection -= length_difference;
 131                 }
 132 //printf("Edit::copy 3\n");
 133
 134                 if(endproject > end)
 135                 {         // end is before end of edit in project
 136                         length_in_selection = end - startproject_in_selection;
 137                 }
 138
 139 //printf("Edit::copy 4\n");
 140                 if(file)    // only if not counting
 141                 {
 142                         file->tag.set_title("EDIT");
 143                         file->tag.set_property("STARTSOURCE", startsource_in_selection);
 144                         file->tag.set_property("CHANNEL", (int64_t)channel);
 145                         file->tag.set_property("LENGTH", length_in_selection);
 146                         file->tag.set_property("HARD_LEFT", hard_left);
 147                         file->tag.set_property("HARD_RIGHT", hard_right);
 148                         file->tag.set_property("COLOR", color);
 149                         file->tag.set_property("GROUP_ID", group_id);
 150                         if(user_title[0]) file->tag.set_property("USER_TITLE", user_title);
 151 //printf("Edit::copy 5\n");
 152
 153                         copy_properties_derived(file, length_in_selection);
 154
 155                         file->append_tag();
 156 //                      file->append_newline();
 157 //printf("Edit::copy 6\n");
 158
 159                         if(nested_edl)
 160                         {
 161                                 file->tag.set_title("NESTED_EDL");
 162                                 file->tag.set_property("SRC", nested_edl->path);
 163                                 file->append_tag();
 164                                 file->tag.set_title("/NESTED_EDL");
 165                                 file->append_tag();
 166                                 file->append_newline();
 167                         }
 168
 169                         if(asset)
 170                         {
 171 //printf("Edit::copy 6 %s\n", asset->path);
 172                                 char stored_path[BCTEXTLEN];
 173                                 char asset_directory[BCTEXTLEN];
 174                                 char output_directory[BCTEXTLEN];
 175                                 FileSystem fs;
 176
 177 //printf("Edit::copy %d %s\n", __LINE__, asset->path);
 178                                 fs.extract_dir(asset_directory, asset->path);
 179 //printf("Edit::copy %d %s\n", __LINE__, asset->path);
 180
 181                                 if(output_path)
 182                                         fs.extract_dir(output_directory, output_path);
 183                                 else
 184                                         output_directory[0] = 0;
 185 //printf("Edit::copy %s, %s %s, %s\n", asset->path, asset_directory, output_path, output_directory);
 186
 187                                 if(output_path && !strcmp(asset_directory, output_directory))
 188                                         fs.extract_name(stored_path, asset->path);
 189                                 else
 190                                         strcpy(stored_path, asset->path);
 191
 192                                 file->tag.set_title("FILE");
 193                                 file->tag.set_property("SRC", stored_path);
 194                                 file->append_tag();
 195                                 file->tag.set_title("/FILE");
 196                                 file->append_tag();
 197                         }
 198
 199                         if(transition && startsource_in_selection == startsource)
 200                         {
 201                                 transition->save_xml(file);
 202                         }
 203
 204 //printf("Edit::copy 7\n");
 205                         file->tag.set_title("/EDIT");
 206                         file->append_tag();
 207                         file->append_newline();
 208 //printf("Edit::copy 8\n");
 209                 }
 210 //printf("Edit::copy 9\n");
 211                 result = 1;
 212         }
 213         else
 214         {
 215                 result = 0;
 216         }
 217 //printf("Edit::copy 10\n");
 218         return result;
 219 }
 220
 221
 222 int64_t Edit::get_source_end(int64_t default_)
 223 {
 224         return default_;
 225 }
 226
 227 void Edit::insert_transition(char *title)
 228 {
 229 //printf("Edit::insert_transition this=%p title=%p title=%s\n", this, title, title);
 230         delete transition;
 231         transition = new Transition(edl, this, title,
 232                 track->to_units(edl->session->default_transition_length, 1));
 233 }
 234
 235 void Edit::detach_transition()
 236 {
 237         if(transition) delete transition;
 238         transition = 0;
 239 }
 240
 241 int Edit::silence()
 242 {
 243         return (track->data_type != TRACK_SUBTITLE ?
 244                 asset || nested_edl :
 245                 *((SEdit *)this)->get_text()) ? 0 : 1;
 246 }
 247
 248 void Edit::set_selected(int v)
 249 {
 250         if( !group_id ) {
 251                 if( v < 0 ) v = !is_selected ? 1 : 0;
 252                 int gang = edl->session->gang_tracks != GANG_NONE ? 1 : 0;
 253                 select_affected_edits(v, gang);
 254         }
 255         else
 256                 edl->tracks->set_group_selected(group_id, v);
 257 }
 258
 259 // gang<0: rest of tracks, gang==0: this track, gang>0: to next master
 260 void Edit::select_affected_edits(int v, int gang)
 261 {
 262         is_selected = v;
 263         if( !gang ) return;
 264         double position = track->from_units(startproject);
 265         for( Track *current=track->next; current; current=current->next ) {
 266                 if( gang > 0 && current->master ) break;
 267                 if( !current->is_armed() ) continue;
 268                 for( Edit *edit=current->edits->first; edit; edit=edit->next ) {
 269                         if( edit->silence() ) continue;
 270                         double start = current->from_units(edit->startproject);
 271                         if( edl->equivalent(start, position) ) {
 272                                 edit->is_selected = v;
 273                                 break;
 274                         }
 275                 }
 276         }
 277 }
 278
 279
 280 void Edit::copy_from(Edit *edit)
 281 {
 282         this->orig_id = edit->orig_id;
 283         this->nested_edl = edl->nested_edls.get_nested(edit->nested_edl);
 284         this->asset = edl->assets->update(edit->asset);
 285         this->startsource = edit->startsource;
 286         this->startproject = edit->startproject;
 287         this->length = edit->length;
 288         this->hard_left = edit->hard_left;
 289         this->hard_right = edit->hard_right;
 290         this->color = edit->color;
 291         this->group_id = edit->group_id;
 292         strcpy (this->user_title, edit->user_title);
 293
 294         if(edit->transition)
 295         {
 296                 if(!transition) transition = new Transition(edl,
 297                         this,
 298                         edit->transition->title,
 299                         edit->transition->length);
 300                 *this->transition = *edit->transition;
 301         }
 302         this->channel = edit->channel;
 303 }
 304
 305 void Edit::clone_from(Edit *edit)
 306 {
 307         copy_from(edit);
 308         edit->orig_id = edit->id;
 309 }
 310
 311 void Edit::equivalent_output(Edit *edit, int64_t *result)
 312 {
 313 // End of edit changed
 314         if(startproject + length != edit->startproject + edit->length)
 315         {
 316                 int64_t new_length = MIN(startproject + length,
 317                         edit->startproject + edit->length);
 318                 if(*result < 0 || new_length < *result)
 319                         *result = new_length;
 320         }
 321
 322         if(
 323 // Different nested EDLs
 324                 (edit->nested_edl && !nested_edl) ||
 325                 (!edit->nested_edl && nested_edl) ||
 326 // Different assets
 327                 (edit->asset == 0 && asset != 0) ||
 328                 (edit->asset != 0 && asset == 0) ||
 329 // different transitions
 330                 (edit->transition == 0 && transition != 0) ||
 331                 (edit->transition != 0 && transition == 0) ||
 332 // Position changed
 333                 (startproject != edit->startproject) ||
 334                 (startsource != edit->startsource) ||
 335 // Transition changed
 336                 (transition && edit->transition &&
 337                         !transition->identical(edit->transition)) ||
 338 // Asset changed
 339                 (asset && edit->asset &&
 340                         !asset->equivalent(*edit->asset, 1, 1, edl)) ||
 341 // Nested EDL changed
 342                 (nested_edl && edit->nested_edl &&
 343                         strcmp(nested_edl->path, edit->nested_edl->path))
 344                 )
 345         {
 346 // Start of edit changed
 347                 if(*result < 0 || startproject < *result) *result = startproject;
 348         }
 349 }
 350
 351
 352 Edit& Edit::operator=(Edit& edit)
 353 {
 354 //printf("Edit::operator= called\n");
 355         copy_from(&edit);
 356         return *this;
 357 }
 358
 359 void Edit::synchronize_params(Edit *edit)
 360 {
 361         copy_from(edit);
 362 }
 363
 364
 365 // Comparison for ResourcePixmap drawing
 366 int Edit::identical(Edit &edit)
 367 {
 368         int result = (this->nested_edl == edit.nested_edl &&
 369                 this->asset == edit.asset &&
 370                 this->startsource == edit.startsource &&
 371                 this->startproject == edit.startproject &&
 372                 this->length == edit.length &&
 373                 this->transition == edit.transition &&
 374                 this->channel == edit.channel);
 375         return result;
 376 }
 377
 378 int Edit::operator==(Edit &edit)
 379 {
 380         return identical(edit);
 381 }
 382
 383 double Edit::frames_per_picon()
 384 {
 385         return Units::round(picon_w()) / frame_w();
 386 }
 387
 388 double Edit::frame_w()
 389 {
 390         return track->from_units(1) *
 391                 edl->session->sample_rate /
 392                 edl->local_session->zoom_sample;
 393 }
 394
 395 double Edit::picon_w()
 396 {
 397         int w = 0, h = 0;
 398         if(asset) {
 399                 w = asset->width;
 400                 h = asset->height;
 401         }
 402         else if(nested_edl) {
 403                 w = nested_edl->session->output_w;
 404                 h = nested_edl->session->output_h;
 405         }
 406         return w>0 && h>0 ? ((double)track->data_h*w)/h : 0;
 407 }
 408
 409 int Edit::picon_h()
 410 {
 411         return track->data_h;
 412 }
 413
 414
 415 int Edit::dump(FILE *fp)
 416 {
 417         fprintf(fp,"     EDIT %p\n", this); fflush(fp);
 418         fprintf(fp,"      id %d, orig_id %d, nested_edl=%p %s asset=%p %s\n",
 419                 id, orig_id, nested_edl, nested_edl ? nested_edl->path : "",
 420                 asset, asset ? asset->path : "");
 421         fflush(fp);
 422         fprintf(fp,"      channel %d, color %08x, hard lt/rt %d/%d"
 423                 " group_id %d, is_selected %d\n",
 424                 channel, color, hard_left, hard_right, group_id, is_selected);
 425         if( transition ) {
 426                 fprintf(fp,"      TRANSITION %p\n", transition);
 427                 transition->dump(fp);
 428         }
 429         fprintf(fp,"      startsource %jd startproject %jd length %jd\n",
 430                 startsource, startproject, length);
 431         fflush(fp);
 432         return 0;
 433 }
 434
 435 int Edit::load_properties(FileXML *file, int64_t &startproject)
 436 {
 437         startsource = file->tag.get_property("STARTSOURCE", (int64_t)0);
 438         length = file->tag.get_property("LENGTH", (int64_t)0);
 439         hard_left = file->tag.get_property("HARD_LEFT", (int64_t)0);
 440         hard_right = file->tag.get_property("HARD_RIGHT", (int64_t)0);
 441         color = file->tag.get_property("COLOR", 0);
 442         group_id = file->tag.get_property("GROUP_ID", group_id);
 443         user_title[0] = 0;
 444         file->tag.get_property("USER_TITLE", user_title);
 445         this->startproject = startproject;
 446         load_properties_derived(file);
 447         return 0;
 448 }
 449
 450 void Edit::shift(int64_t difference)
 451 {
 452         startproject += difference;
 453 }
 454
 455 void Edit::trim(int64_t difference)
 456 {
 457         length += difference;
 458         if( startproject < 0 ) {
 459                 if( (startsource+=startproject) < 0 ) startsource = 0;
 460                 if( (length+=startproject) < 0 ) length = 0;
 461                 startproject = 0;
 462         }
 463         if( startsource < 0 )
 464                 startsource = 0;
 465         int64_t src_len = get_source_end(INT64_MAX);
 466         if( startsource + length > src_len ) {
 467                 length = src_len - startsource;
 468                 if( length < 0 ) length = 0;
 469         }
 470         if( length < 0 )
 471                 length = 0;
 472 }
 473
 474 int Edit::shift_start(int edit_mode, int64_t newposition, int64_t oldposition,
 475         int edit_labels, int edit_autos, int edit_plugins, Edits *trim_edits)
 476 {
 477         int64_t cut_length = newposition - oldposition;
 478         int rest_moved = edit_mode == MOVE_RIPPLE || edit_mode == MOVE_EDGE ? 1 : 0;
 479         if( cut_length > length )
 480                 cut_length = length;
 481         else if( cut_length < -length )
 482                 cut_length = -length;
 483
 484         int64_t start = startproject, end = start + length;
 485         Edit *prev = this->previous, *next = this->next;
 486         int edits_moved = 0;
 487
 488         switch( edit_mode ) {
 489         case MOVE_RIPPLE:
 490                 edits_moved = 1;
 491                 startsource += cut_length;
 492                 cut_length = -cut_length;
 493                 length += cut_length;
 494                 for( Edit *edit=next; edit; edit=edit->next )
 495                         edit->startproject += cut_length;
 496                 break;
 497         case MOVE_ROLL:
 498                 if( prev && prev->length + cut_length < 0 )
 499                         cut_length = -prev->length;
 500                 if( prev ) prev->trim(cut_length);
 501                 startproject += cut_length;
 502                 startsource += cut_length;
 503                 length -= cut_length;
 504                 break;
 505         case MOVE_SLIP:
 506                 edits_moved = 1;
 507                 startsource -= cut_length;
 508                 break;
 509         case MOVE_SLIDE:
 510                 edits_moved = 1;
 511                 if( prev && prev->length + cut_length < 0 )
 512                         cut_length = -prev->length;
 513                 if( next && next->length - cut_length < 0 )
 514                         cut_length = next->length;
 515                 if( prev ) prev->trim(cut_length);
 516                 startproject += cut_length;
 517                 if( next ) {
 518                         next->startproject += cut_length;
 519                         next->startsource += cut_length;
 520                         next->trim(-cut_length);
 521                 }
 522                 break;
 523         case MOVE_EDGE:
 524                 edits_moved = 1;
 525                 startsource -= cut_length;
 526                 length += cut_length;
 527                 for( Edit *edit=next; edit; edit=edit->next )
 528                         edit->startproject += cut_length;
 529                 break;
 530         }
 531         trim(0);
 532         return follow_edits(start, end, cut_length, edits_moved, rest_moved,
 533                 edit_labels, edit_autos, edit_plugins, trim_edits);
 534 }
 535
 536 int Edit::shift_end(int edit_mode, int64_t newposition, int64_t oldposition,
 537         int edit_labels, int edit_autos, int edit_plugins, Edits *trim_edits)
 538 {
 539         int64_t cut_length = newposition - oldposition;
 540         int rest_moved = edit_mode == MOVE_RIPPLE || edit_mode == MOVE_EDGE ? 1 : 0;
 541         if( cut_length > length ) {
 542                  if( !rest_moved ) cut_length = length;
 543         }
 544         else if( cut_length < -length )
 545                 cut_length = -length;
 546         int64_t start = startproject, end = start + length;
 547         Edit *prev = this->previous, *next = this->next;
 548         int edits_moved = 0;
 549
 550         switch( edit_mode ) {
 551         case MOVE_RIPPLE:
 552         case MOVE_EDGE:
 553                 length += cut_length;
 554                 for( Edit *edit=next; edit; edit=edit->next )
 555                         edit->startproject += cut_length;
 556                 break;
 557         case MOVE_ROLL:
 558                 if( next && next->length - cut_length < 0 )
 559                         cut_length = next->length;
 560                 length += cut_length;
 561                 if( next ) {
 562                         next->startproject += cut_length;
 563                         next->startsource += cut_length;
 564                         next->trim(-cut_length);
 565                 }
 566                 break;
 567         case MOVE_SLIP:
 568                 edits_moved = 1;
 569                 startsource -= cut_length;
 570                 break;
 571         case MOVE_SLIDE:
 572                 edits_moved = 1;
 573                 if( prev && prev->length + cut_length < 0 )
 574                         cut_length = -prev->length;
 575                 if( next && next->length - cut_length < 0 )
 576                         cut_length = next->length;
 577                 if( prev ) prev->trim(cut_length);
 578                 startproject += cut_length;
 579                 if( next ) {
 580                         next->startproject += cut_length;
 581                         next->startsource += cut_length;
 582                         next->trim(-cut_length);
 583                 }
 584                 break;
 585         }
 586         trim(0);
 587         return follow_edits(start, end, cut_length, edits_moved, rest_moved,
 588                 edit_labels, edit_autos, edit_plugins, trim_edits);
 589 }
 590
 591 int Edit::follow_edits(int64_t start, int64_t end, int64_t cut_length,
 592                 int edits_moved, int rest_moved, int edit_labels, int edit_autos,
 593                 int edit_plugins, Edits *trim_edits)
 594 {
 595         if( edits_moved && rest_moved ) {
 596                 if( edit_labels ) {
 597                         double cut_len = track->from_units(cut_length);
 598                         double start_pos = edits->track->from_units(start);
 599                         if( cut_len < 0 )
 600                                 edits->edl->labels->clear(start_pos + cut_len, start_pos, 1);
 601                         else if( cut_len > 0 )
 602                                 edits->edl->labels->insert(start_pos, cut_len);
 603                 }
 604                 if( cut_length < 0 )
 605                         track->clear(start + cut_length, start,
 606                                 0, 0, edit_autos, edit_plugins, trim_edits);
 607                 else if( cut_length > 0 ) {
 608                         if( edit_autos )
 609                                 track->shift_keyframes(start, cut_length);
 610                         if( edit_plugins )
 611                                 track->shift_effects(start, cut_length, 1, trim_edits);
 612                 }
 613         }
 614         else if( edits_moved ) {
 615                 if( edit_labels ) {
 616                         double cut_len = track->from_units(cut_length);
 617                         double start_pos = edits->track->from_units(start);
 618                         edits->edl->labels->insert(start_pos, cut_len);
 619                         double end_pos = edits->track->from_units(end);
 620                         edits->edl->labels->insert(end_pos + cut_len, -cut_len);
 621                 }
 622                 if( edit_autos ) {
 623                         if( cut_length > 0 ) {
 624                                 track->clear(end, end+cut_length, 0, 0, 0, 1, 0);
 625                                 track->shift_keyframes(start, cut_length);
 626                         }
 627                         else if( cut_length < 0 ) {
 628                                 track->clear(start+cut_length, start, 0, 0, 0, 1, 0);
 629                                 track->shift_keyframes(end+cut_length, -cut_length);
 630                         }
 631                 }
 632                 if( edit_plugins ) {
 633                         if( cut_length > 0 ) {
 634                                 track->clear(end, end+cut_length, 0, 0, -1, 0, 0);
 635                                 track->shift_effects(start, cut_length, 1, 0);
 636                         }
 637                         else if( cut_length < 0 ) {
 638                                 track->clear(start+cut_length, start, 0, 0, -1, 0, 0);
 639                                 track->shift_effects(end+cut_length, -cut_length, 1, 0);
 640                         }
 641                 }
 642         }
 643         else if( rest_moved ) {
 644                 if( edit_labels ) {
 645                         double cut_len = track->from_units(cut_length);
 646                         double end_pos = edits->track->from_units(end);
 647                         if( cut_len < 0 )
 648                                 edits->edl->labels->clear(end_pos + cut_len, end_pos, 1);
 649                         else if( cut_len > 0 )
 650                                 edits->edl->labels->insert(end_pos, cut_len);
 651                 }
 652                 if( cut_length < 0 )
 653                         track->clear(end + cut_length, end,
 654                                 0, 0, edit_autos, edit_plugins, trim_edits);
 655                 else if( cut_length > 0 ) {
 656                         if( edit_autos )
 657                                 track->shift_keyframes(end, cut_length);
 658                         if( edit_plugins )
 659                                 track->shift_effects(end, cut_length, 1, trim_edits);
 660                 }
 661         }
 662         return 0;
 663 }
 664
 665
 666
 667 int Edit::popup_transition(float view_start, float zoom_units, int cursor_x, int cursor_y)
 668 {
 669         int64_t left, right, left_unit, right_unit;
 670         if(!transition) return 0;
 671         get_handle_parameters(left, right, left_unit, right_unit, view_start, zoom_units);
 672
 673         if(cursor_x > left && cursor_x < right)
 674         {
 675 //              transition->popup_transition(cursor_x, cursor_y);
 676                 return 1;
 677         }
 678         return 0;
 679 }
 680
 681 int Edit::select_handle(float view_start, float zoom_units, int cursor_x, int cursor_y, int64_t &selection)
 682 {
 683         int64_t left, right, left_unit, right_unit;
 684         get_handle_parameters(left, right, left_unit, right_unit, view_start, zoom_units);
 685
 686         int64_t pixel1, pixel2;
 687         pixel1 = left;
 688         pixel2 = pixel1 + xS(10);
 689
 690 // test left edit
 691 // cursor_x is faked in acanvas
 692         if(cursor_x >= pixel1 && cursor_x <= pixel2)
 693         {
 694                 selection = left_unit;
 695                 return 1;     // left handle
 696         }
 697
 698         //int64_t endproject = startproject + length;
 699         pixel2 = right;
 700         pixel1 = pixel2 - xS(10);
 701
 702 // test right edit
 703         if(cursor_x >= pixel1 && cursor_x <= pixel2)
 704         {
 705                 selection = right_unit;
 706                 return 2;     // right handle
 707         }
 708         return 0;
 709 }
 710
 711 void Edit::get_title(char *title)
 712 {
 713         if( user_title[0] ) {
 714                 strcpy(title, user_title);
 715                 return;
 716         }
 717         Indexable *idxbl = asset ? (Indexable*)asset : (Indexable*)nested_edl;
 718         if( !idxbl ) {
 719                 title[0] = 0;
 720                 return;
 721         }
 722         FileSystem fs;
 723         fs.extract_name(title, idxbl->path);
 724         if( asset || track->data_type == TRACK_AUDIO ) {
 725                 char number[BCSTRLEN];
 726                 sprintf(number, " #%d", channel + 1);
 727                 strcat(title, number);
 728         }
 729 }
 730