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                 edl->tracks->set_group_selected(group_id, v);
 252         else
 253                 is_selected = v >= 0 ? v : !is_selected ? 1 : 0;
 254 }
 255
 256 void Edit::copy_from(Edit *edit)
 257 {
 258         this->orig_id = edit->orig_id;
 259         this->nested_edl = edl->nested_edls.get_nested(edit->nested_edl);
 260         this->asset = edl->assets->update(edit->asset);
 261         this->startsource = edit->startsource;
 262         this->startproject = edit->startproject;
 263         this->length = edit->length;
 264         this->hard_left = edit->hard_left;
 265         this->hard_right = edit->hard_right;
 266         this->color = edit->color;
 267         this->group_id = edit->group_id;
 268         strcpy (this->user_title, edit->user_title);
 269
 270         if(edit->transition)
 271         {
 272                 if(!transition) transition = new Transition(edl,
 273                         this,
 274                         edit->transition->title,
 275                         edit->transition->length);
 276                 *this->transition = *edit->transition;
 277         }
 278         this->channel = edit->channel;
 279 }
 280
 281 void Edit::clone_from(Edit *edit)
 282 {
 283         copy_from(edit);
 284         edit->orig_id = edit->id;
 285 }
 286
 287 void Edit::equivalent_output(Edit *edit, int64_t *result)
 288 {
 289 // End of edit changed
 290         if(startproject + length != edit->startproject + edit->length)
 291         {
 292                 int64_t new_length = MIN(startproject + length,
 293                         edit->startproject + edit->length);
 294                 if(*result < 0 || new_length < *result)
 295                         *result = new_length;
 296         }
 297
 298         if(
 299 // Different nested EDLs
 300                 (edit->nested_edl && !nested_edl) ||
 301                 (!edit->nested_edl && nested_edl) ||
 302 // Different assets
 303                 (edit->asset == 0 && asset != 0) ||
 304                 (edit->asset != 0 && asset == 0) ||
 305 // different transitions
 306                 (edit->transition == 0 && transition != 0) ||
 307                 (edit->transition != 0 && transition == 0) ||
 308 // Position changed
 309                 (startproject != edit->startproject) ||
 310                 (startsource != edit->startsource) ||
 311 // Transition changed
 312                 (transition && edit->transition &&
 313                         !transition->identical(edit->transition)) ||
 314 // Asset changed
 315                 (asset && edit->asset &&
 316                         !asset->equivalent(*edit->asset, 1, 1, edl)) ||
 317 // Nested EDL changed
 318                 (nested_edl && edit->nested_edl &&
 319                         strcmp(nested_edl->path, edit->nested_edl->path))
 320                 )
 321         {
 322 // Start of edit changed
 323                 if(*result < 0 || startproject < *result) *result = startproject;
 324         }
 325 }
 326
 327
 328 Edit& Edit::operator=(Edit& edit)
 329 {
 330 //printf("Edit::operator= called\n");
 331         copy_from(&edit);
 332         return *this;
 333 }
 334
 335 void Edit::synchronize_params(Edit *edit)
 336 {
 337         copy_from(edit);
 338 }
 339
 340
 341 // Comparison for ResourcePixmap drawing
 342 int Edit::identical(Edit &edit)
 343 {
 344         int result = (this->nested_edl == edit.nested_edl &&
 345                 this->asset == edit.asset &&
 346                 this->startsource == edit.startsource &&
 347                 this->startproject == edit.startproject &&
 348                 this->length == edit.length &&
 349                 this->transition == edit.transition &&
 350                 this->channel == edit.channel);
 351         return result;
 352 }
 353
 354 int Edit::operator==(Edit &edit)
 355 {
 356         return identical(edit);
 357 }
 358
 359 double Edit::frames_per_picon()
 360 {
 361         return Units::round(picon_w()) / frame_w();
 362 }
 363
 364 double Edit::frame_w()
 365 {
 366         return track->from_units(1) *
 367                 edl->session->sample_rate /
 368                 edl->local_session->zoom_sample;
 369 }
 370
 371 double Edit::picon_w()
 372 {
 373         int w = 0, h = 0;
 374         if(asset) {
 375                 w = asset->width;
 376                 h = asset->height;
 377         }
 378         else if(nested_edl) {
 379                 w = nested_edl->session->output_w;
 380                 h = nested_edl->session->output_h;
 381         }
 382         return w>0 && h>0 ? ((double)edl->local_session->zoom_track*w)/h : 0;
 383 }
 384
 385 int Edit::picon_h()
 386 {
 387         return edl->local_session->zoom_track;
 388 }
 389
 390
 391 int Edit::dump(FILE *fp)
 392 {
 393         fprintf(fp,"     EDIT %p\n", this); fflush(fp);
 394         fprintf(fp,"      id %d, orig_id %d, nested_edl=%p %s asset=%p %s\n",
 395                 id, orig_id, nested_edl, nested_edl ? nested_edl->path : "",
 396                 asset, asset ? asset->path : "");
 397         fflush(fp);
 398         fprintf(fp,"      channel %d, color %08x, hard lt/rt %d/%d"
 399                 " group_id %d, is_selected %d\n",
 400                 channel, color, hard_left, hard_right, group_id, is_selected);
 401         if( transition ) {
 402                 fprintf(fp,"      TRANSITION %p\n", transition);
 403                 transition->dump(fp);
 404         }
 405         fprintf(fp,"      startsource %jd startproject %jd length %jd\n",
 406                 startsource, startproject, length);
 407         fflush(fp);
 408         return 0;
 409 }
 410
 411 int Edit::load_properties(FileXML *file, int64_t &startproject)
 412 {
 413         startsource = file->tag.get_property("STARTSOURCE", (int64_t)0);
 414         length = file->tag.get_property("LENGTH", (int64_t)0);
 415         hard_left = file->tag.get_property("HARD_LEFT", (int64_t)0);
 416         hard_right = file->tag.get_property("HARD_RIGHT", (int64_t)0);
 417         color = file->tag.get_property("COLOR", 0);
 418         group_id = file->tag.get_property("GROUP_ID", group_id);
 419         user_title[0] = 0;
 420         file->tag.get_property("USER_TITLE", user_title);
 421         this->startproject = startproject;
 422         load_properties_derived(file);
 423         return 0;
 424 }
 425
 426 void Edit::shift(int64_t difference)
 427 {
 428         startproject += difference;
 429 }
 430
 431 void Edit::trim(int64_t difference)
 432 {
 433         length += difference;
 434         if( startproject < 0 ) {
 435                 if( (startsource+=startproject) < 0 ) startsource = 0;
 436                 if( (length+=startproject) < 0 ) length = 0;
 437                 startproject = 0;
 438         }
 439         if( startsource < 0 )
 440                 startsource = 0;
 441         int64_t src_len = get_source_end(INT64_MAX);
 442         if( startsource + length > src_len ) {
 443                 length = src_len - startsource;
 444                 if( length < 0 ) length = 0;
 445         }
 446         if( length < 0 )
 447                 length = 0;
 448 }
 449
 450 int Edit::shift_start(int edit_mode, int64_t newposition, int64_t oldposition,
 451         int edit_labels, int edit_autos, int edit_plugins, Edits *trim_edits)
 452 {
 453         int64_t cut_length = newposition - oldposition;
 454         int rest_moved = edit_mode == MOVE_RIPPLE || edit_mode == MOVE_EDGE ? 1 : 0;
 455         if( cut_length > length )
 456                 cut_length = length;
 457         else if( cut_length < -length )
 458                 cut_length = -length;
 459
 460         int64_t start = startproject, end = start + length;
 461         Edit *prev = this->previous, *next = this->next;
 462         int edits_moved = 0;
 463
 464         switch( edit_mode ) {
 465         case MOVE_RIPPLE:
 466                 edits_moved = 1;
 467                 startsource += cut_length;
 468                 cut_length = -cut_length;
 469                 length += cut_length;
 470                 for( Edit *edit=next; edit; edit=edit->next )
 471                         edit->startproject += cut_length;
 472                 break;
 473         case MOVE_ROLL:
 474                 if( prev && prev->length + cut_length < 0 )
 475                         cut_length = -prev->length;
 476                 if( prev ) prev->trim(cut_length);
 477                 startproject += cut_length;
 478                 startsource += cut_length;
 479                 length -= cut_length;
 480                 break;
 481         case MOVE_SLIP:
 482                 edits_moved = 1;
 483                 startsource -= cut_length;
 484                 break;
 485         case MOVE_SLIDE:
 486                 edits_moved = 1;
 487                 if( prev && prev->length + cut_length < 0 )
 488                         cut_length = -prev->length;
 489                 if( next && next->length - cut_length < 0 )
 490                         cut_length = next->length;
 491                 if( prev ) prev->trim(cut_length);
 492                 startproject += cut_length;
 493                 if( next ) {
 494                         next->startproject += cut_length;
 495                         next->startsource += cut_length;
 496                         next->trim(-cut_length);
 497                 }
 498                 break;
 499         case MOVE_EDGE:
 500                 edits_moved = 1;
 501                 startsource -= cut_length;
 502                 length += cut_length;
 503                 for( Edit *edit=next; edit; edit=edit->next )
 504                         edit->startproject += cut_length;
 505                 break;
 506         }
 507         trim(0);
 508         return follow_edits(start, end, cut_length, edits_moved, rest_moved,
 509                 edit_labels, edit_autos, edit_plugins, trim_edits);
 510 }
 511
 512 int Edit::shift_end(int edit_mode, int64_t newposition, int64_t oldposition,
 513         int edit_labels, int edit_autos, int edit_plugins, Edits *trim_edits)
 514 {
 515         int64_t cut_length = newposition - oldposition;
 516         int rest_moved = edit_mode == MOVE_RIPPLE || edit_mode == MOVE_EDGE ? 1 : 0;
 517         if( cut_length > length ) {
 518                  if( !rest_moved ) cut_length = length;
 519         }
 520         else if( cut_length < -length )
 521                 cut_length = -length;
 522         int64_t start = startproject, end = start + length;
 523         Edit *prev = this->previous, *next = this->next;
 524         int edits_moved = 0;
 525
 526         switch( edit_mode ) {
 527         case MOVE_RIPPLE:
 528         case MOVE_EDGE:
 529                 length += cut_length;
 530                 for( Edit *edit=next; edit; edit=edit->next )
 531                         edit->startproject += cut_length;
 532                 break;
 533         case MOVE_ROLL:
 534                 if( next && next->length - cut_length < 0 )
 535                         cut_length = next->length;
 536                 length += cut_length;
 537                 if( next ) {
 538                         next->startproject += cut_length;
 539                         next->startsource += cut_length;
 540                         next->trim(-cut_length);
 541                 }
 542                 break;
 543         case MOVE_SLIP:
 544                 edits_moved = 1;
 545                 startsource -= cut_length;
 546                 break;
 547         case MOVE_SLIDE:
 548                 edits_moved = 1;
 549                 if( prev && prev->length + cut_length < 0 )
 550                         cut_length = -prev->length;
 551                 if( next && next->length - cut_length < 0 )
 552                         cut_length = next->length;
 553                 if( prev ) prev->trim(cut_length);
 554                 startproject += cut_length;
 555                 if( next ) {
 556                         next->startproject += cut_length;
 557                         next->startsource += cut_length;
 558                         next->trim(-cut_length);
 559                 }
 560                 break;
 561         }
 562         trim(0);
 563         return follow_edits(start, end, cut_length, edits_moved, rest_moved,
 564                 edit_labels, edit_autos, edit_plugins, trim_edits);
 565 }
 566
 567 int Edit::follow_edits(int64_t start, int64_t end, int64_t cut_length,
 568                 int edits_moved, int rest_moved, int edit_labels, int edit_autos,
 569                 int edit_plugins, Edits *trim_edits)
 570 {
 571         if( edits_moved && rest_moved ) {
 572                 if( edit_labels ) {
 573                         double cut_len = track->from_units(cut_length);
 574                         double start_pos = edits->track->from_units(start);
 575                         if( cut_len < 0 )
 576                                 edits->edl->labels->clear(start_pos + cut_len, start_pos, 1);
 577                         else if( cut_len > 0 )
 578                                 edits->edl->labels->insert(start_pos, cut_len);
 579                 }
 580                 if( cut_length < 0 )
 581                         track->clear(start + cut_length, start,
 582                                 0, 0, edit_autos, edit_plugins, trim_edits);
 583                 else if( cut_length > 0 ) {
 584                         if( edit_autos )
 585                                 track->shift_keyframes(start, cut_length);
 586                         if( edit_plugins )
 587                                 track->shift_effects(start, cut_length, 1, trim_edits);
 588                 }
 589         }
 590         else if( edits_moved ) {
 591                 if( edit_labels ) {
 592                         double cut_len = track->from_units(cut_length);
 593                         double start_pos = edits->track->from_units(start);
 594                         edits->edl->labels->insert(start_pos, cut_len);
 595                         double end_pos = edits->track->from_units(end);
 596                         edits->edl->labels->insert(end_pos + cut_len, -cut_len);
 597                 }
 598                 if( edit_autos ) {
 599                         if( cut_length > 0 ) {
 600                                 track->clear(end, end+cut_length, 0, 0, 0, 1, 0);
 601                                 track->shift_keyframes(start, cut_length);
 602                         }
 603                         else if( cut_length < 0 ) {
 604                                 track->clear(start+cut_length, start, 0, 0, 0, 1, 0);
 605                                 track->shift_keyframes(end+cut_length, -cut_length);
 606                         }
 607                 }
 608                 if( edit_plugins ) {
 609                         if( cut_length > 0 ) {
 610                                 track->clear(end, end+cut_length, 0, 0, -1, 0, 0);
 611                                 track->shift_effects(start, cut_length, 1, 0);
 612                         }
 613                         else if( cut_length < 0 ) {
 614                                 track->clear(start+cut_length, start, 0, 0, -1, 0, 0);
 615                                 track->shift_effects(end+cut_length, -cut_length, 1, 0);
 616                         }
 617                 }
 618         }
 619         else if( rest_moved ) {
 620                 if( edit_labels ) {
 621                         double cut_len = track->from_units(cut_length);
 622                         double end_pos = edits->track->from_units(end);
 623                         if( cut_len < 0 )
 624                                 edits->edl->labels->clear(end_pos + cut_len, end_pos, 1);
 625                         else if( cut_len > 0 )
 626                                 edits->edl->labels->insert(end_pos, cut_len);
 627                 }
 628                 if( cut_length < 0 )
 629                         track->clear(end + cut_length, end,
 630                                 0, 0, edit_autos, edit_plugins, trim_edits);
 631                 else if( cut_length > 0 ) {
 632                         if( edit_autos )
 633                                 track->shift_keyframes(end, cut_length);
 634                         if( edit_plugins )
 635                                 track->shift_effects(end, cut_length, 1, trim_edits);
 636                 }
 637         }
 638         return 0;
 639 }
 640
 641
 642
 643 int Edit::popup_transition(float view_start, float zoom_units, int cursor_x, int cursor_y)
 644 {
 645         int64_t left, right, left_unit, right_unit;
 646         if(!transition) return 0;
 647         get_handle_parameters(left, right, left_unit, right_unit, view_start, zoom_units);
 648
 649         if(cursor_x > left && cursor_x < right)
 650         {
 651 //              transition->popup_transition(cursor_x, cursor_y);
 652                 return 1;
 653         }
 654         return 0;
 655 }
 656
 657 int Edit::select_handle(float view_start, float zoom_units, int cursor_x, int cursor_y, int64_t &selection)
 658 {
 659         int64_t left, right, left_unit, right_unit;
 660         get_handle_parameters(left, right, left_unit, right_unit, view_start, zoom_units);
 661
 662         int64_t pixel1, pixel2;
 663         pixel1 = left;
 664         pixel2 = pixel1 + xS(10);
 665
 666 // test left edit
 667 // cursor_x is faked in acanvas
 668         if(cursor_x >= pixel1 && cursor_x <= pixel2)
 669         {
 670                 selection = left_unit;
 671                 return 1;     // left handle
 672         }
 673
 674         //int64_t endproject = startproject + length;
 675         pixel2 = right;
 676         pixel1 = pixel2 - xS(10);
 677
 678 // test right edit
 679         if(cursor_x >= pixel1 && cursor_x <= pixel2)
 680         {
 681                 selection = right_unit;
 682                 return 2;     // right handle
 683         }
 684         return 0;
 685 }
 686
 687 void Edit::get_title(char *title)
 688 {
 689         if( user_title[0] ) {
 690                 strcpy(title, user_title);
 691                 return;
 692         }
 693         Indexable *idxbl = asset ? (Indexable*)asset : (Indexable*)nested_edl;
 694         if( !idxbl ) {
 695                 title[0] = 0;
 696                 return;
 697         }
 698         FileSystem fs;
 699         fs.extract_name(title, idxbl->path);
 700         if( asset || track->data_type == TRACK_AUDIO ) {
 701                 char number[BCSTRLEN];
 702                 sprintf(number, " #%d", channel + 1);
 703                 strcat(title, number);
 704         }
 705 }
 706