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