git.sesse.net Git - vlc/blob - modules/gui/beos/VlcWrapper.cpp

   1 /*****************************************************************************
   2  * VlcWrapper.cpp: BeOS plugin for vlc (derived from MacOS X port)
   3  *****************************************************************************
   4  * Copyright (C) 2001 VideoLAN
   5  * $Id: VlcWrapper.cpp,v 1.23 2003/01/29 00:02:09 titer Exp $
   6  *
   7  * Authors: Florian G. Pflug <fgp@phlo.org>
   8  *          Jon Lech Johansen <jon-vl@nanocrew.net>
   9  *          Tony Casltey <tony@castley.net>
  10  *          Stephan Aßmus <stippi@yellowbites.com>
  11  *          Eric Petit <titer@videolan.org>
  12  *
  13  * This program is free software{} you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License as published by
  15  * the Free Software Foundation{} either version 2 of the License, or
  16  * (at your option) any later version.
  17  *
  18  * This program is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY{} without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU General Public License for more details.
  22  *
  23  * You should have received a copy of the GNU General Public License
  24  * along with this program{} if not, write to the Free Software
  25  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  26  *****************************************************************************/
  27 #include <AppKit.h>
  28 #include <InterfaceKit.h>
  29 #include <SupportKit.h>
  30
  31 #include <vlc/vlc.h>
  32 #include <vlc/intf.h>
  33 #include <vlc/vout.h>
  34 extern "C"
  35 {
  36   #include <audio_output.h>
  37   #include <aout_internal.h>
  38 }
  39
  40 #include "VlcWrapper.h"
  41 #include "MsgVals.h"
  42
  43 /* constructor */
  44 VlcWrapper::VlcWrapper( intf_thread_t *p_interface )
  45 {
  46     p_intf = p_interface;
  47     p_input = NULL;
  48     p_aout = NULL;
  49     p_playlist = (playlist_t *)vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
  50                                                 FIND_ANYWHERE );
  51 }
  52
  53 /* destructor */
  54 VlcWrapper::~VlcWrapper()
  55 {
  56     if( p_input )
  57     {
  58         vlc_object_release( p_input );
  59     }
  60     if( p_playlist )
  61     {
  62         vlc_object_release( p_playlist );
  63     }
  64     if( p_aout )
  65     {
  66         vlc_object_release( p_aout );
  67     }
  68 }
  69
  70 /* UpdateInputAndAOut: updates p_input and p_aout, returns true if the
  71    interface needs to be updated */
  72 bool VlcWrapper::UpdateInputAndAOut()
  73 {
  74     if( p_input == NULL )
  75     {
  76         p_input = (input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT,
  77                                                      FIND_ANYWHERE );
  78     }
  79     if( p_aout == NULL )
  80     {
  81         p_aout = (aout_instance_t*)vlc_object_find( p_intf, VLC_OBJECT_AOUT,
  82                                                     FIND_ANYWHERE );
  83     }
  84
  85     if( p_input != NULL )
  86     {
  87         if( p_input->b_dead )
  88         {
  89             vlc_object_release( p_input );
  90             p_input = NULL;
  91
  92             if( p_aout )
  93             {
  94                 vlc_object_release( p_aout );
  95                 p_aout = NULL;
  96             }
  97         }
  98         return true;
  99     }
 100     return false;
 101 }
 102
 103
 104 /***************************
 105  * input infos and control *
 106  ***************************/
 107
 108 bool VlcWrapper::HasInput()
 109 {
 110     return ( p_input != NULL );
 111 }
 112
 113 int VlcWrapper::InputStatus()
 114 {
 115     if( !p_input )
 116     {
 117         return UNDEF_S;
 118     }
 119     return p_input->stream.control.i_status;
 120 }
 121
 122 int VlcWrapper::InputRate()
 123 {
 124     if( !p_input )
 125     {
 126         return DEFAULT_RATE;
 127     }
 128     return p_input->stream.control.i_rate;
 129 }
 130
 131 void VlcWrapper::InputSlower()
 132 {
 133     if( p_input != NULL )
 134     {
 135         input_SetStatus( p_input, INPUT_STATUS_SLOWER );
 136     }
 137 }
 138
 139 void VlcWrapper::InputFaster()
 140 {
 141     if( p_input != NULL )
 142     {
 143         input_SetStatus( p_input, INPUT_STATUS_FASTER );
 144     }
 145 }
 146
 147 BList * VlcWrapper::GetChannels( int i_cat )
 148 {
 149     if( p_input )
 150     {
 151         unsigned int i;
 152         uint32 what;
 153         const char* fieldName;
 154
 155         switch( i_cat )
 156         {
 157             case AUDIO_ES:
 158             {
 159                 what = SELECT_CHANNEL;
 160                 fieldName = "channel";
 161                 break;
 162             }
 163             case SPU_ES:
 164             {
 165                 what = SELECT_SUBTITLE;
 166                 fieldName = "subtitle";
 167                 break;
 168             }
 169             default:
 170             return NULL;
 171        }
 172
 173         vlc_mutex_lock( &p_input->stream.stream_lock );
 174
 175         /* find which track is currently playing */
 176         es_descriptor_t *p_es = NULL;
 177         for( i = 0; i < p_input->stream.i_selected_es_number; i++ )
 178         {
 179             if( p_input->stream.pp_selected_es[i]->i_cat == i_cat )
 180                 p_es = p_input->stream.pp_selected_es[i];
 181         }
 182
 183         /* build a list of all tracks */
 184         BList *list = new BList( p_input->stream.i_es_number );
 185         BMenuItem *menuItem;
 186         BMessage *message;
 187         char *trackName;
 188
 189         /* "None" */
 190         message = new BMessage( what );
 191         message->AddInt32( fieldName, -1 );
 192         menuItem = new BMenuItem( "None", message );
 193         if( !p_es )
 194             menuItem->SetMarked( true );
 195         list->AddItem( menuItem );
 196
 197         for( i = 0; i < p_input->stream.i_es_number; i++ )
 198         {
 199             if( p_input->stream.pp_es[i]->i_cat == i_cat )
 200             {
 201                 message = new BMessage( what );
 202                 message->AddInt32( fieldName, i );
 203                 if( strlen( p_input->stream.pp_es[i]->psz_desc ) )
 204                     trackName = strdup( p_input->stream.pp_es[i]->psz_desc );
 205                 else
 206                     trackName = "<unknown>";
 207                 menuItem = new BMenuItem( trackName, message );
 208                 if( p_input->stream.pp_es[i] == p_es )
 209                     menuItem->SetMarked( true );
 210                 list->AddItem( menuItem );
 211             }
 212         }
 213
 214         vlc_mutex_unlock( &p_input->stream.stream_lock );
 215
 216         return list;
 217     }
 218     return NULL;
 219 }
 220
 221 void VlcWrapper::ToggleLanguage( int i_language )
 222 {
 223     es_descriptor_t * p_es = NULL;
 224     es_descriptor_t * p_es_old = NULL;
 225
 226     vlc_mutex_lock( &p_input->stream.stream_lock );
 227     for( unsigned int i = 0; i < p_input->stream.i_selected_es_number ; i++ )
 228     {
 229         if( p_input->stream.pp_selected_es[i]->i_cat == AUDIO_ES )
 230         {
 231             p_es_old = p_input->stream.pp_selected_es[i];
 232             break;
 233         }
 234     }
 235     vlc_mutex_unlock( &p_input->stream.stream_lock );
 236
 237     if( i_language != -1 )
 238     {
 239         p_es = p_input->stream.pp_es[i_language];
 240     }
 241     if( p_es == p_es_old )
 242     {
 243         return;
 244     }
 245     if( p_es_old )
 246     {
 247         input_ToggleES( p_input, p_es_old, VLC_FALSE );
 248     }
 249     if( p_es )
 250     {
 251         input_ToggleES( p_input, p_es, VLC_TRUE );
 252     }
 253 }
 254
 255 void VlcWrapper::ToggleSubtitle( int i_subtitle )
 256 {
 257     es_descriptor_t * p_es = NULL;
 258     es_descriptor_t * p_es_old = NULL;
 259
 260     vlc_mutex_lock( &p_input->stream.stream_lock );
 261     for( unsigned int i = 0; i < p_input->stream.i_selected_es_number ; i++ )
 262     {
 263         if( p_input->stream.pp_selected_es[i]->i_cat == SPU_ES )
 264         {
 265             p_es_old = p_input->stream.pp_selected_es[i];
 266             break;
 267         }
 268     }
 269     vlc_mutex_unlock( &p_input->stream.stream_lock );
 270
 271     if( i_subtitle != -1 )
 272     {
 273         p_es = p_input->stream.pp_es[i_subtitle];
 274     }
 275     if( p_es == p_es_old )
 276     {
 277         return;
 278     }
 279     if( p_es_old )
 280     {
 281         input_ToggleES( p_input, p_es_old, VLC_FALSE );
 282     }
 283     if( p_es )
 284     {
 285         input_ToggleES( p_input, p_es, VLC_TRUE );
 286     }
 287 }
 288
 289 const char * VlcWrapper::GetTimeAsString()
 290 {
 291     static char psz_currenttime[ OFFSETTOTIME_MAX_SIZE ];
 292
 293     if( p_input == NULL )
 294     {
 295         return ("-:--:--");
 296     }
 297
 298     input_OffsetToTime( p_input,
 299                         psz_currenttime,
 300                         p_input->stream.p_selected_area->i_tell );
 301
 302     return(psz_currenttime);
 303 }
 304
 305 float VlcWrapper::GetTimeAsFloat()
 306 {
 307     float f_time = 0.0;
 308
 309     if( p_input != NULL )
 310     {
 311         f_time = (float)p_input->stream.p_selected_area->i_tell /
 312                  (float)p_input->stream.p_selected_area->i_size;
 313     }
 314     else
 315     {
 316         f_time = 0.0;
 317     }
 318     return( f_time );
 319 }
 320
 321 void VlcWrapper::SetTimeAsFloat( float f_position )
 322 {
 323     if( p_input != NULL )
 324     {
 325         input_Seek( p_input,
 326                    (long long int)(p_input->stream.p_selected_area->i_size
 327                        * f_position / SEEKSLIDER_RANGE ),
 328                    INPUT_SEEK_SET);
 329     }
 330 }
 331
 332 bool VlcWrapper::IsPlaying()
 333 {
 334
 335         bool playing = false;
 336         if ( p_input )
 337         {
 338                 switch ( p_input->stream.control.i_status )
 339                 {
 340                         case PLAYING_S:
 341                         case FORWARD_S:
 342                         case BACKWARD_S:
 343                         case START_S:
 344                                 playing = true;
 345                     break;
 346                         case PAUSE_S:
 347                         case UNDEF_S:
 348                         case NOT_STARTED_S:
 349                         default:
 350                                 break;
 351                 }
 352         }
 353         return playing;
 354
 355 }
 356
 357 /************
 358  * playlist *
 359  ************/
 360
 361 void VlcWrapper::OpenFiles( BList* o_files, bool replace )
 362 {
 363     BString *o_file;
 364     int size = PlaylistSize();
 365         bool wasEmpty = ( size < 1 );
 366
 367     /* delete current playlist */
 368     if( replace )
 369     {
 370         for( int i = 0; i < size; i++ )
 371         {
 372             playlist_Delete( p_playlist, 0 );
 373         }
 374     }
 375
 376     /* append files */
 377     while( ( o_file = (BString *)o_files->LastItem() ) )
 378     {
 379         playlist_Add( p_playlist, o_file->String(),
 380                       PLAYLIST_APPEND, PLAYLIST_END );
 381         o_files->RemoveItem(o_files->CountItems() - 1);
 382     }
 383
 384     /* eventually restart playing */
 385     if( replace || wasEmpty )
 386     {
 387         playlist_Stop( p_playlist );
 388         playlist_Play( p_playlist );
 389     }
 390 }
 391
 392 void VlcWrapper::OpenDisc(BString o_type, BString o_device, int i_title, int i_chapter)
 393 {
 394     if( p_intf->p_sys->b_dvdmenus )
 395         o_device.Prepend( "dvd:" );
 396     else
 397         o_device.Prepend( "dvdold:" );
 398     playlist_Add( p_playlist, o_device.String(),
 399                   PLAYLIST_APPEND | PLAYLIST_GO, PLAYLIST_END );
 400 }
 401
 402 int VlcWrapper::PlaylistSize()
 403 {
 404     vlc_mutex_lock( &p_playlist->object_lock );
 405     int i_size = p_playlist->i_size;
 406     vlc_mutex_unlock( &p_playlist->object_lock );
 407     return i_size;
 408 }
 409
 410 char * VlcWrapper::PlaylistItemName( int i )
 411 {
 412    return p_playlist->pp_items[i]->psz_name;
 413 }
 414
 415 int VlcWrapper::PlaylistCurrent()
 416 {
 417     return p_playlist->i_index;
 418 }
 419
 420 bool VlcWrapper::PlaylistPlay()
 421 {
 422     if( PlaylistSize() )
 423     {
 424         playlist_Play( p_playlist );
 425     }
 426     return( true );
 427 }
 428
 429 void VlcWrapper::PlaylistPause()
 430 {
 431     if( p_input )
 432     {
 433         input_SetStatus( p_input, INPUT_STATUS_PAUSE );
 434     }
 435 }
 436
 437 void VlcWrapper::PlaylistStop()
 438 {
 439     playlist_Stop( p_playlist );
 440 }
 441
 442 void VlcWrapper::PlaylistNext()
 443 {
 444     playlist_Next( p_playlist );
 445 }
 446
 447 void VlcWrapper::PlaylistPrev()
 448 {
 449     playlist_Prev( p_playlist );
 450 }
 451
 452 void VlcWrapper::GetPlaylistInfo( int32& currentIndex, int32& maxIndex )
 453 {
 454         currentIndex = -1;
 455         maxIndex = -1;
 456         if ( p_playlist )
 457         {
 458                 maxIndex = p_playlist->i_size;
 459                 if ( maxIndex > 0 )
 460                         currentIndex = p_playlist->i_index + 1;
 461                 else
 462                         maxIndex = -1;
 463         }
 464 }
 465
 466 void VlcWrapper::PlaylistJumpTo( int pos )
 467 {
 468     playlist_Goto( p_playlist, pos );
 469 }
 470
 471 void VlcWrapper::GetNavCapabilities( bool *canSkipPrev, bool *canSkipNext )
 472 {
 473         if ( canSkipPrev && canSkipNext )
 474         {
 475                 // init the parameters
 476                 *canSkipPrev = false;
 477                 *canSkipNext = false;
 478                 // get playlist info
 479                 int pos = PlaylistCurrent();
 480                 int size = PlaylistSize();
 481
 482                 // see if we have got a stream going
 483                 if ( p_input )
 484                 {
 485                         vlc_mutex_lock( &p_input->stream.stream_lock );
 486
 487                         bool hasTitles = p_input->stream.i_area_nb > 1;
 488                         int numChapters = p_input->stream.p_selected_area->i_part_nb;
 489                         bool hasChapters = numChapters > 1;
 490                         // first, look for chapters
 491                         if ( hasChapters )
 492                         {
 493                                 *canSkipPrev = p_input->stream.p_selected_area->i_part > 0;
 494                                 *canSkipNext = p_input->stream.p_selected_area->i_part <
 495                                                                          p_input->stream.p_selected_area->i_part_nb - 1;
 496                         }
 497                         // if one of the skip capabilities is false,
 498                         // make it depend on titles instead
 499                         if ( !*canSkipPrev && hasTitles )
 500                                 *canSkipPrev = p_input->stream.p_selected_area->i_id > 1;
 501                         if ( !*canSkipNext && hasTitles )
 502                                 *canSkipNext = p_input->stream.p_selected_area->i_id <
 503                                                    p_input->stream.i_area_nb - 1;
 504
 505                         vlc_mutex_unlock( &p_input->stream.stream_lock );
 506                 }
 507                 // last but not least, make capabilities depend on playlist
 508                 if ( !*canSkipPrev )
 509                         *canSkipPrev = pos > 0;
 510                 if ( !*canSkipNext )
 511                         *canSkipNext = pos < size - 1;
 512         }
 513 }
 514
 515 void VlcWrapper::NavigatePrev()
 516 {
 517         bool hasSkiped = false;
 518
 519         // see if we have got a stream going
 520         if ( p_input )
 521         {
 522                 // get information from stream (lock it while looking at it)
 523                 vlc_mutex_lock( &p_input->stream.stream_lock );
 524
 525                 int currentTitle = p_input->stream.p_selected_area->i_id;
 526                 int currentChapter = p_input->stream.p_selected_area->i_part;
 527                 int numTitles = p_input->stream.i_area_nb;
 528                 bool hasTitles = numTitles > 1;
 529                 int numChapters = p_input->stream.p_selected_area->i_part_nb;
 530                 bool hasChapters = numChapters > 1;
 531
 532                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 533
 534                 // first, look for chapters
 535                 if ( hasChapters )
 536                 {
 537                         // skip to the previous chapter
 538                         currentChapter--;
 539
 540                         if ( currentChapter >= 0 )
 541                         {
 542                                 ToggleChapter( currentChapter );
 543                                 hasSkiped = true;
 544                         }
 545                 }
 546                 // if we couldn't skip chapters, try titles instead
 547                 if ( !hasSkiped && hasTitles )
 548                 {
 549                         // skip to the previous title
 550                         currentTitle--;
 551                         // disallow area 0 since it is used for video_ts.vob
 552                         if( currentTitle > 0 )
 553                         {
 554                                 ToggleTitle(currentTitle);
 555                                 hasSkiped = true;
 556                         }
 557                 }
 558
 559         }
 560         // last but not least, skip to previous file
 561         if ( !hasSkiped )
 562                 PlaylistPrev();
 563 }
 564
 565 void VlcWrapper::NavigateNext()
 566 {
 567         bool hasSkiped = false;
 568
 569         // see if we have got a stream going
 570         if ( p_input )
 571         {
 572                 // get information from stream (lock it while looking at it)
 573                 vlc_mutex_lock( &p_input->stream.stream_lock );
 574
 575                 int currentTitle = p_input->stream.p_selected_area->i_id;
 576                 int currentChapter = p_input->stream.p_selected_area->i_part;
 577                 int numTitles = p_input->stream.i_area_nb;
 578                 bool hasTitles = numTitles > 1;
 579                 int numChapters = p_input->stream.p_selected_area->i_part_nb;
 580                 bool hasChapters = numChapters > 1;
 581
 582                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 583
 584                 // first, look for chapters
 585                 if ( hasChapters )
 586                 {
 587                         // skip to the next chapter
 588                         currentChapter++;
 589                         if ( currentChapter < numChapters )
 590                         {
 591                                 ToggleChapter( currentChapter );
 592                                 hasSkiped = true;
 593                         }
 594                 }
 595                 // if we couldn't skip chapters, try titles instead
 596                 if ( !hasSkiped && hasTitles )
 597                 {
 598                         // skip to the next title
 599                         currentTitle++;
 600                         // disallow area 0 since it is used for video_ts.vob
 601                         if ( currentTitle < numTitles - 1 )
 602                         {
 603                                 ToggleTitle(currentTitle);
 604                                 hasSkiped = true;
 605                         }
 606                 }
 607
 608         }
 609         // last but not least, skip to next file
 610         if ( !hasSkiped )
 611                 PlaylistNext();
 612 }
 613
 614
 615 /*********
 616  * audio *
 617  *********/
 618
 619 bool VlcWrapper::HasAudio()
 620 {
 621     return( p_aout != NULL );
 622 }
 623
 624 unsigned short VlcWrapper::GetVolume()
 625 {
 626     if( p_aout != NULL )
 627     {
 628         unsigned short i_volume;
 629         aout_VolumeGet( p_aout, (audio_volume_t*)&i_volume );
 630         return i_volume;
 631     }
 632     return 0;
 633 }
 634
 635 void VlcWrapper::SetVolume(int value)
 636 {
 637     if( p_aout != NULL )
 638     {
 639                 if ( p_intf->p_sys->b_mute )
 640                 {
 641                         p_intf->p_sys->b_mute = 0;
 642                 }
 643         aout_VolumeSet( p_aout, value );
 644     }
 645 }
 646
 647 void VlcWrapper::VolumeMute()
 648 {
 649     if( p_aout != NULL )
 650         {
 651             aout_VolumeGet( p_aout, &p_intf->p_sys->i_saved_volume );
 652             aout_VolumeMute( p_aout, NULL );
 653             p_intf->p_sys->b_mute = 1;
 654         }
 655 }
 656
 657 void VlcWrapper::VolumeRestore()
 658 {
 659     if( p_aout != NULL )
 660         {
 661         aout_VolumeSet( p_aout, p_intf->p_sys->i_saved_volume );
 662         p_intf->p_sys->b_mute = 0;
 663         }
 664 }
 665
 666 bool VlcWrapper::IsMuted()
 667 {
 668     return p_intf->p_sys->b_mute;
 669 }
 670
 671 /*******
 672  * DVD *
 673  *******/
 674
 675 bool VlcWrapper::HasTitles()
 676 {
 677     if( !p_input )
 678     {
 679         return false;
 680     }
 681     return ( p_input->stream.i_area_nb > 1 );
 682 }
 683
 684 BList * VlcWrapper::GetTitles()
 685 {
 686     if( p_input )
 687     {
 688         vlc_mutex_lock( &p_input->stream.stream_lock );
 689
 690         BList *list = new BList( p_input->stream.i_area_nb );
 691         BMenuItem *menuItem;
 692         BMessage *message;
 693
 694         for( unsigned int i = 1; i < p_input->stream.i_area_nb; i++ )
 695         {
 696             message = new BMessage( TOGGLE_TITLE );
 697             message->AddInt32( "index", i );
 698             BString helper( "" );
 699             helper << i;
 700             menuItem = new BMenuItem( helper.String(), message );
 701             menuItem->SetMarked( p_input->stream.p_selected_area->i_id == i );
 702             list->AddItem( menuItem );
 703         }
 704
 705         vlc_mutex_unlock( &p_input->stream.stream_lock );
 706
 707         return list;
 708     }
 709     return NULL;
 710 }
 711
 712 void VlcWrapper::PrevTitle()
 713 {
 714     int i_id;
 715     i_id = p_input->stream.p_selected_area->i_id - 1;
 716     if( i_id > 0 )
 717     {
 718         ToggleTitle(i_id);
 719     }
 720 }
 721
 722 void VlcWrapper::NextTitle()
 723 {
 724     unsigned int i_id;
 725     i_id = p_input->stream.p_selected_area->i_id + 1;
 726     if( i_id < p_input->stream.i_area_nb )
 727     {
 728         ToggleTitle(i_id);
 729     }
 730 }
 731
 732 void VlcWrapper::ToggleTitle(int i_title)
 733 {
 734     if( p_input != NULL )
 735     {
 736         input_ChangeArea( p_input,
 737                           p_input->stream.pp_areas[i_title] );
 738
 739         vlc_mutex_lock( &p_input->stream.stream_lock );
 740
 741         vlc_mutex_unlock( &p_input->stream.stream_lock );
 742     }
 743 }
 744
 745 void VlcWrapper::TitleInfo( int32 &currentIndex, int32 &maxIndex )
 746 {
 747         currentIndex = -1;
 748         maxIndex = -1;
 749         if ( p_input )
 750         {
 751                 vlc_mutex_lock( &p_input->stream.stream_lock );
 752
 753                 maxIndex = p_input->stream.i_area_nb - 1;
 754                 if ( maxIndex > 0)
 755                         currentIndex = p_input->stream.p_selected_area->i_id;
 756                 else
 757                         maxIndex = -1;
 758
 759                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 760         }
 761 }
 762
 763 bool VlcWrapper::HasChapters()
 764 {
 765     if( !p_input )
 766     {
 767         return false;
 768     }
 769     return ( p_input->stream.p_selected_area->i_part_nb > 1 );
 770 }
 771
 772 BList * VlcWrapper::GetChapters()
 773 {
 774     if( p_input )
 775     {
 776         vlc_mutex_lock( &p_input->stream.stream_lock );
 777
 778         BList *list = new BList( p_input->stream.p_selected_area->i_part_nb );
 779         BMenuItem *menuItem;
 780         BMessage *message;
 781
 782         for( unsigned int i = 1;
 783              i < p_input->stream.p_selected_area->i_part_nb + 1; i++ )
 784         {
 785             message = new BMessage( TOGGLE_CHAPTER );
 786             message->AddInt32( "index", i );
 787             BString helper( "" );
 788             helper << i;
 789             menuItem = new BMenuItem( helper.String(), message );
 790             menuItem->SetMarked( p_input->stream.p_selected_area->i_part == i );
 791             list->AddItem( menuItem );
 792         }
 793
 794         vlc_mutex_unlock( &p_input->stream.stream_lock );
 795
 796         return list;
 797     }
 798     return NULL;
 799 }
 800
 801 void VlcWrapper::PrevChapter()
 802 {
 803     int i_id;
 804     i_id = p_input->stream.p_selected_area->i_part - 1;
 805     if( i_id >= 0 )
 806     {
 807         ToggleChapter(i_id);
 808     }
 809 }
 810
 811 void VlcWrapper::NextChapter()
 812 {
 813     int i_id;
 814     i_id = p_input->stream.p_selected_area->i_part + 1;
 815     if( i_id >= 0 )
 816     {
 817         ToggleChapter(i_id);
 818     }
 819 }
 820
 821 void VlcWrapper::ToggleChapter(int i_chapter)
 822 {
 823     if( p_input != NULL )
 824     {
 825         p_input->stream.p_selected_area->i_part = i_chapter;
 826         input_ChangeArea( p_input,
 827                           p_input->stream.p_selected_area );
 828
 829         vlc_mutex_lock( &p_input->stream.stream_lock );
 830         vlc_mutex_unlock( &p_input->stream.stream_lock );
 831     }
 832 }
 833
 834 void VlcWrapper::ChapterInfo( int32 &currentIndex, int32 &maxIndex )
 835 {
 836         currentIndex = -1;
 837         maxIndex = -1;
 838         if ( p_input )
 839         {
 840                 vlc_mutex_lock( &p_input->stream.stream_lock );
 841
 842                 maxIndex = p_input->stream.p_selected_area->i_part_nb - 1;
 843                 if ( maxIndex > 0)
 844                         currentIndex = p_input->stream.p_selected_area->i_part;
 845                 else
 846                         maxIndex = -1;
 847
 848                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 849         }
 850 }
 851
 852 /****************
 853  * Miscellanous *
 854  ****************/
 855
 856 void VlcWrapper::LoadSubFile( char * psz_file )
 857 {
 858     config_PutPsz( p_intf, "sub-file", strdup( psz_file ) );
 859 }
 860
 861 void VlcWrapper::FilterChange()
 862 {
 863     if( !p_input )
 864         return;
 865
 866     vout_thread_t * p_vout;
 867     vlc_mutex_lock( &p_input->stream.stream_lock );
 868
 869     /* Warn the vout we are about to change the filter chain */
 870     p_vout = (vout_thread_t*)vlc_object_find( p_intf, VLC_OBJECT_VOUT,
 871                                               FIND_ANYWHERE );
 872     if( p_vout )
 873     {
 874         p_vout->b_filter_change = VLC_TRUE;
 875         vlc_object_release( p_vout );
 876     }
 877
 878     /* restart all video stream */
 879     for( unsigned int i = 0; i < p_input->stream.i_es_number; i++ )
 880     {
 881         if( ( p_input->stream.pp_es[i]->i_cat == VIDEO_ES ) &&
 882             ( p_input->stream.pp_es[i]->p_decoder_fifo != NULL ) )
 883         {
 884             input_UnselectES( p_input, p_input->stream.pp_es[i] );
 885             input_SelectES( p_input, p_input->stream.pp_es[i] );
 886         }
 887     }
 888     vlc_mutex_unlock( &p_input->stream.stream_lock );
 889 }