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  * $Id$
   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 <input_ext-plugins.h> // needed here when compiling without plugins
  37   #include <audio_output.h>
  38   #include <aout_internal.h>
  39 }
  40
  41 #include "VlcWrapper.h"
  42 #include "MsgVals.h"
  43
  44 const char * _AddEllipsis( char * string )
  45 {
  46     char * temp;
  47     temp = (char*) calloc( strlen( string ) + 4, 1 );
  48     sprintf( temp, "%s%s", string, B_UTF8_ELLIPSIS );
  49     return temp;
  50 }
  51
  52 /* constructor */
  53 VlcWrapper::VlcWrapper( intf_thread_t *p_interface )
  54 {
  55     p_intf = p_interface;
  56     p_input = NULL;
  57     p_playlist = (playlist_t *)vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
  58                                                 FIND_ANYWHERE );
  59 }
  60
  61 /* destructor */
  62 VlcWrapper::~VlcWrapper()
  63 {
  64     if( p_input )
  65         vlc_object_release( p_input );
  66
  67     if( p_playlist )
  68         vlc_object_release( p_playlist );
  69 }
  70
  71 /* UpdateInput: updates p_input */
  72 void VlcWrapper::UpdateInput()
  73 {
  74     if( !p_input )
  75         p_input = (input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT,
  76                                                      FIND_ANYWHERE );
  77
  78     if( p_input )
  79         if( p_input->b_dead )
  80         {
  81             vlc_object_release( p_input );
  82             p_input = NULL;
  83         }
  84 }
  85
  86
  87 /***************************
  88  * input infos and control *
  89  ***************************/
  90
  91 bool VlcWrapper::HasInput()
  92 {
  93     return ( p_input != NULL );
  94 }
  95
  96 int VlcWrapper::InputStatus()
  97 {
  98     if( !p_input )
  99     {
 100         return UNDEF_S;
 101     }
 102
 103     vlc_value_t state;
 104     var_Get( p_input, "state", &state );
 105     return state.i_int;
 106 }
 107
 108 int VlcWrapper::InputRate()
 109 {
 110     if( !p_input )
 111     {
 112         return DEFAULT_RATE;
 113     }
 114
 115     return p_input->stream.control.i_rate;
 116 }
 117
 118 void VlcWrapper::InputSetRate( int rate )
 119 {
 120     if( !p_input )
 121     {
 122         return;
 123     }
 124     var_SetInteger( p_input, "rate", rate );
 125 }
 126
 127 BList * VlcWrapper::GetChannels( int i_cat )
 128 {
 129     if( p_input )
 130     {
 131         unsigned int i;
 132         uint32 what;
 133         const char* fieldName;
 134
 135         switch( i_cat )
 136         {
 137             case AUDIO_ES:
 138             {
 139                 what = SELECT_CHANNEL;
 140                 fieldName = "channel";
 141                 break;
 142             }
 143             case SPU_ES:
 144             {
 145                 what = SELECT_SUBTITLE;
 146                 fieldName = "subtitle";
 147                 break;
 148             }
 149             default:
 150             return NULL;
 151        }
 152
 153         vlc_mutex_lock( &p_input->stream.stream_lock );
 154
 155         /* find which track is currently playing */
 156         es_descriptor_t *p_es = NULL;
 157         for( i = 0; i < p_input->stream.i_selected_es_number; i++ )
 158         {
 159             if( p_input->stream.pp_selected_es[i]->i_cat == i_cat )
 160                 p_es = p_input->stream.pp_selected_es[i];
 161         }
 162
 163         /* build a list of all tracks */
 164         BList *list = new BList( p_input->stream.i_es_number );
 165         BMenuItem *menuItem;
 166         BMessage *message;
 167         char *trackName;
 168
 169         /* "None" */
 170         message = new BMessage( what );
 171         message->AddInt32( fieldName, -1 );
 172         menuItem = new BMenuItem( _("None"), message );
 173         if( !p_es )
 174             menuItem->SetMarked( true );
 175         list->AddItem( menuItem );
 176
 177         for( i = 0; i < p_input->stream.i_es_number; i++ )
 178         {
 179             if( p_input->stream.pp_es[i]->i_cat == i_cat )
 180             {
 181                 message = new BMessage( what );
 182                 message->AddInt32( fieldName, i );
 183                 if( !p_input->stream.pp_es[i]->psz_desc ||
 184                     !*p_input->stream.pp_es[i]->psz_desc )
 185                     trackName = _("<unknown>");
 186                 else
 187                     trackName = strdup( p_input->stream.pp_es[i]->psz_desc );
 188                 menuItem = new BMenuItem( trackName, message );
 189                 if( p_input->stream.pp_es[i] == p_es )
 190                     menuItem->SetMarked( true );
 191                 list->AddItem( menuItem );
 192             }
 193         }
 194
 195         vlc_mutex_unlock( &p_input->stream.stream_lock );
 196
 197         return list;
 198     }
 199     return NULL;
 200 }
 201
 202 void VlcWrapper::ToggleLanguage( int i_language )
 203 {
 204     if( i_language < 0 )
 205         var_SetInteger( p_input, "audio-es", -1 );  /* Disable audio */
 206     else
 207         var_SetInteger( p_input, "audio-es", i_language );
 208 }
 209
 210 void VlcWrapper::ToggleSubtitle( int i_subtitle )
 211 {
 212     if( i_language < 0 )
 213         var_SetInteger( p_input, "spu-es", -1 );  /* Disable SPU */
 214     else
 215         var_SetInteger( p_input, "spu-es", i_subtitle );
 216 }
 217
 218 const char * VlcWrapper::GetTimeAsString()
 219 {
 220     static char psz_time[ MSTRTIME_MAX_SIZE ];
 221
 222     if( !p_input )
 223     {
 224         return ("-:--:--");
 225     }
 226
 227     vlc_value_t time;
 228     var_Get( p_input, "time", &time );
 229
 230     mtime_t seconds = time.i_time / 1000000;
 231     sprintf( psz_time, "%d:%02d:%02d",
 232              (int) ( seconds / (60 * 60 ) ),
 233              (int) ( ( seconds / 60 ) % 60 ),
 234              (int) ( seconds % 60 ) );
 235
 236     return psz_time;
 237 }
 238
 239 float VlcWrapper::GetTimeAsFloat()
 240 {
 241     if( !p_input )
 242     {
 243         return 0.0;
 244     }
 245
 246     vlc_value_t pos;
 247     var_Get( p_input, "position", &pos );
 248     return pos.f_float;
 249 }
 250
 251 void VlcWrapper::SetTimeAsFloat( float f_position )
 252 {
 253     if( !p_input )
 254     {
 255         return;
 256     }
 257
 258     vlc_value_t pos;
 259     pos.f_float = f_position / SEEKSLIDER_RANGE;
 260     var_Set( p_input, "position", pos );
 261 }
 262
 263 bool VlcWrapper::IsPlaying()
 264 {
 265         bool playing = false;
 266         if( p_input )
 267         {
 268                 switch( p_input->stream.control.i_status )
 269                 {
 270                         case PLAYING_S:
 271                         case FORWARD_S:
 272                         case BACKWARD_S:
 273                                 playing = true;
 274                     break;
 275                         case PAUSE_S:
 276                         case UNDEF_S:
 277                         default:
 278                                 break;
 279                 }
 280         }
 281         return playing;
 282
 283 }
 284
 285 /************
 286  * playlist *
 287  ************/
 288
 289 void VlcWrapper::OpenFiles( BList* o_files, bool replace, int32 index )
 290 {
 291         if ( o_files && o_files->CountItems() > 0)
 292         {
 293             int size = PlaylistSize();
 294                 bool wasEmpty = ( size < 1 );
 295                 if ( index == -1 )
 296                         index = PLAYLIST_END;
 297                 int mode = index == PLAYLIST_END ? PLAYLIST_APPEND : PLAYLIST_INSERT;
 298
 299             /* delete current playlist */
 300             if( replace )
 301             {
 302                 for( int i = 0; i < size; i++ )
 303                 {
 304                     playlist_Delete( p_playlist, 0 );
 305                 }
 306             }
 307
 308             /* insert files */
 309             int32 count = o_files->CountItems();
 310             for ( int32 i = count - 1; i >= 0; i-- )
 311             {
 312                 if ( BString* o_file = (BString *)o_files->RemoveItem( i ) )
 313                 {
 314                         playlist_Add( p_playlist, o_file->String(),
 315                                       o_file->String(), mode, index );
 316                         if ( mode == PLAYLIST_INSERT )
 317                                 index++;
 318                         delete o_file;
 319                 }
 320             }
 321             // TODO: implement a user setting
 322             // if to start automatically
 323             /* eventually restart playing */
 324             if( replace || wasEmpty )
 325             {
 326                 playlist_Stop( p_playlist );
 327                 playlist_Play( p_playlist );
 328             }
 329         }
 330 }
 331
 332 void VlcWrapper::OpenDisc(BString o_type, BString o_device, int i_title, int i_chapter)
 333 {
 334     if( config_GetInt( p_intf, "beos-dvdmenus" ) )
 335         o_device.Prepend( "dvdplay:" );
 336     else
 337         o_device.Prepend( "dvdold:" );
 338     playlist_Add( p_playlist, o_device.String(), o_device.String(),
 339                   PLAYLIST_APPEND | PLAYLIST_GO, PLAYLIST_END );
 340 }
 341
 342 int VlcWrapper::PlaylistSize()
 343 {
 344     vlc_mutex_lock( &p_playlist->object_lock );
 345     int i_size = p_playlist->i_size;
 346     vlc_mutex_unlock( &p_playlist->object_lock );
 347     return i_size;
 348 }
 349
 350 char * VlcWrapper::PlaylistItemName( int i )
 351 {
 352    return p_playlist->pp_items[i]->input.psz_name;
 353 }
 354
 355 int VlcWrapper::PlaylistCurrent()
 356 {
 357     return p_playlist->i_index;
 358 }
 359
 360 bool VlcWrapper::PlaylistPlay()
 361 {
 362     if( PlaylistSize() )
 363     {
 364         playlist_Play( p_playlist );
 365     }
 366     return( true );
 367 }
 368
 369 void VlcWrapper::PlaylistPause()
 370 {
 371     if( p_input )
 372     {
 373         var_SetInteger( p_input, "state", PAUSE_S );
 374     }
 375 }
 376
 377 void VlcWrapper::PlaylistStop()
 378 {
 379     playlist_Stop( p_playlist );
 380 }
 381
 382 void VlcWrapper::PlaylistNext()
 383 {
 384     playlist_Next( p_playlist );
 385 }
 386
 387 void VlcWrapper::PlaylistPrev()
 388 {
 389     playlist_Prev( p_playlist );
 390 }
 391
 392 void VlcWrapper::GetPlaylistInfo( int32& currentIndex, int32& maxIndex )
 393 {
 394         currentIndex = -1;
 395         maxIndex = -1;
 396         if ( p_playlist )
 397         {
 398             vlc_mutex_lock( &p_playlist->object_lock );
 399
 400                 maxIndex = p_playlist->i_size;
 401                 if ( maxIndex > 0 )
 402                         currentIndex = p_playlist->i_index/* + 1 -> why?!?*/;
 403                 else
 404                         maxIndex = -1;
 405
 406             vlc_mutex_unlock( &p_playlist->object_lock );
 407         }
 408 }
 409
 410 void VlcWrapper::PlaylistJumpTo( int pos )
 411 {
 412     playlist_Goto( p_playlist, pos );
 413 }
 414
 415 void VlcWrapper::GetNavCapabilities( bool *canSkipPrev, bool *canSkipNext )
 416 {
 417         if ( canSkipPrev && canSkipNext )
 418         {
 419                 // init the parameters
 420                 *canSkipPrev = false;
 421                 *canSkipNext = false;
 422                 // get playlist info
 423                 int pos = PlaylistCurrent();
 424                 int size = PlaylistSize();
 425
 426                 // see if we have got a stream going
 427                 if ( p_input )
 428                 {
 429                         vlc_mutex_lock( &p_input->stream.stream_lock );
 430
 431                         bool hasTitles = p_input->stream.i_area_nb > 1;
 432                         int numChapters = p_input->stream.p_selected_area->i_part_nb;
 433                         bool hasChapters = numChapters > 1;
 434                         // first, look for chapters
 435                         if ( hasChapters )
 436                         {
 437                                 *canSkipPrev = p_input->stream.p_selected_area->i_part > 0;
 438                                 *canSkipNext = p_input->stream.p_selected_area->i_part <
 439                                                                          p_input->stream.p_selected_area->i_part_nb - 1;
 440                         }
 441                         // if one of the skip capabilities is false,
 442                         // make it depend on titles instead
 443                         if ( !*canSkipPrev && hasTitles )
 444                                 *canSkipPrev = p_input->stream.p_selected_area->i_id > 1;
 445                         if ( !*canSkipNext && hasTitles )
 446                                 *canSkipNext = p_input->stream.p_selected_area->i_id <
 447                                                    p_input->stream.i_area_nb - 1;
 448
 449                         vlc_mutex_unlock( &p_input->stream.stream_lock );
 450                 }
 451                 // last but not least, make capabilities depend on playlist
 452                 if ( !*canSkipPrev )
 453                         *canSkipPrev = pos > 0;
 454                 if ( !*canSkipNext )
 455                         *canSkipNext = pos < size - 1;
 456         }
 457 }
 458
 459 void VlcWrapper::NavigatePrev()
 460 {
 461         bool hasSkiped = false;
 462
 463         // see if we have got a stream going
 464         if ( p_input )
 465         {
 466                 // get information from stream (lock it while looking at it)
 467                 vlc_mutex_lock( &p_input->stream.stream_lock );
 468
 469                 int currentTitle = p_input->stream.p_selected_area->i_id;
 470                 int currentChapter = p_input->stream.p_selected_area->i_part;
 471                 int numTitles = p_input->stream.i_area_nb;
 472                 bool hasTitles = numTitles > 1;
 473                 int numChapters = p_input->stream.p_selected_area->i_part_nb;
 474                 bool hasChapters = numChapters > 1;
 475
 476                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 477
 478                 // first, look for chapters
 479                 if ( hasChapters )
 480                 {
 481                         // skip to the previous chapter
 482                         currentChapter--;
 483
 484                         if ( currentChapter >= 0 )
 485                         {
 486                                 ToggleChapter( currentChapter );
 487                                 hasSkiped = true;
 488                         }
 489                 }
 490                 // if we couldn't skip chapters, try titles instead
 491                 if ( !hasSkiped && hasTitles )
 492                 {
 493                         // skip to the previous title
 494                         currentTitle--;
 495                         // disallow area 0 since it is used for video_ts.vob
 496                         if( currentTitle > 0 )
 497                         {
 498                                 ToggleTitle(currentTitle);
 499                                 hasSkiped = true;
 500                         }
 501                 }
 502
 503         }
 504         // last but not least, skip to previous file
 505         if ( !hasSkiped )
 506                 PlaylistPrev();
 507 }
 508
 509 void VlcWrapper::NavigateNext()
 510 {
 511         bool hasSkiped = false;
 512
 513         // see if we have got a stream going
 514         if ( p_input )
 515         {
 516                 // get information from stream (lock it while looking at it)
 517                 vlc_mutex_lock( &p_input->stream.stream_lock );
 518
 519                 int currentTitle = p_input->stream.p_selected_area->i_id;
 520                 int currentChapter = p_input->stream.p_selected_area->i_part;
 521                 int numTitles = p_input->stream.i_area_nb;
 522                 bool hasTitles = numTitles > 1;
 523                 int numChapters = p_input->stream.p_selected_area->i_part_nb;
 524                 bool hasChapters = numChapters > 1;
 525
 526                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 527
 528                 // first, look for chapters
 529                 if ( hasChapters )
 530                 {
 531                         // skip to the next chapter
 532                         currentChapter++;
 533                         if ( currentChapter < numChapters )
 534                         {
 535                                 ToggleChapter( currentChapter );
 536                                 hasSkiped = true;
 537                         }
 538                 }
 539                 // if we couldn't skip chapters, try titles instead
 540                 if ( !hasSkiped && hasTitles )
 541                 {
 542                         // skip to the next title
 543                         currentTitle++;
 544                         // disallow area 0 since it is used for video_ts.vob
 545                         if ( currentTitle < numTitles - 1 )
 546                         {
 547                                 ToggleTitle(currentTitle);
 548                                 hasSkiped = true;
 549                         }
 550                 }
 551
 552         }
 553         // last but not least, skip to next file
 554         if ( !hasSkiped )
 555                 PlaylistNext();
 556 }
 557
 558 /*************************
 559  * Playlist manipulation *
 560  *************************/
 561
 562 // PlaylistLock
 563 bool
 564 VlcWrapper::PlaylistLock() const
 565 {
 566 // TODO: search and destroy -> deadlock!
 567 return true;
 568         if ( p_playlist )
 569         {
 570                 vlc_mutex_lock( &p_playlist->object_lock );
 571                 return true;
 572         }
 573         return false;
 574 }
 575
 576 // PlaylistUnlock
 577 void
 578 VlcWrapper::PlaylistUnlock() const
 579 {
 580 // TODO: search and destroy -> deadlock!
 581 return;
 582         vlc_mutex_unlock( &p_playlist->object_lock );
 583 }
 584
 585 // PlaylistItemAt
 586 void*
 587 VlcWrapper::PlaylistItemAt( int index ) const
 588 {
 589         playlist_item_t* item = NULL;
 590         if ( index >= 0 && index < p_playlist->i_size )
 591                 item = p_playlist->pp_items[index];
 592         return (void*)item;
 593 }
 594
 595 // PlaylistRemoveItem
 596 void*
 597 VlcWrapper::PlaylistRemoveItem( int index ) const
 598 {
 599         playlist_item_t* copy = NULL;
 600         // check if item exists at the provided index
 601         if ( index >= 0 && index < p_playlist->i_size )
 602         {
 603                 playlist_item_t* item = p_playlist->pp_items[index];
 604                 if ( item )
 605                 {
 606                         // make a copy of the removed item
 607                         copy = (playlist_item_t*)PlaylistCloneItem( (void*)item );
 608                         // remove item from playlist (unfortunately, this frees it)
 609                         playlist_Delete( p_playlist, index );
 610                 }
 611         }
 612         return (void*)copy;
 613 }
 614
 615 // PlaylistRemoveItem
 616 void*
 617 VlcWrapper::PlaylistRemoveItem( void* item ) const
 618 {
 619         playlist_item_t* copy = NULL;
 620         for ( int32 i = 0; i < p_playlist->i_size; i++ )
 621         {
 622                 if ( p_playlist->pp_items[i] == item )
 623                 {
 624                         copy = (playlist_item_t*)PlaylistRemoveItem( i );
 625                         break;
 626                 }
 627         }
 628         return (void*)copy;
 629 }
 630
 631 // PlaylistAddItem
 632 bool
 633 VlcWrapper::PlaylistAddItem( void* item, int index ) const
 634 {
 635         if ( item )
 636         {
 637                 playlist_AddItem( p_playlist, (playlist_item_t*)item,
 638                                                   PLAYLIST_INSERT, index );
 639         }
 640         // TODO: once playlist is returning useful info, return that instead
 641         return true;
 642 }
 643
 644 // PlaylistCloneItem
 645 void*
 646 VlcWrapper::PlaylistCloneItem( void* castToItem ) const
 647 {
 648         playlist_item_t* copy = NULL;
 649         playlist_item_t* item = (playlist_item_t*)castToItem;
 650         if ( item )
 651         {
 652                 copy = (playlist_item_t*)malloc( sizeof( playlist_item_t ) );
 653                 if ( copy )
 654                 {
 655                         // make a copy of the item at index
 656                         *copy = *item;
 657                         copy->input.psz_name = strdup( item->input.psz_name );
 658                         copy->input.psz_uri  = strdup( item->input.psz_uri );
 659                 }
 660         }
 661         return (void*)copy;
 662 }
 663
 664 // Careful! You need to know what you're doing here!
 665 // The reason for having it, is to be able to deal with
 666 // the rather lame list implementation of the playlist.
 667 // It is meant to help manipulate the playlist with the above
 668 // methods while keeping it valid.
 669 //
 670 // PlaylistSetPlaying
 671 void
 672 VlcWrapper::PlaylistSetPlaying( int index ) const
 673 {
 674         if ( index < 0 )
 675                 index = 0;
 676         if ( index >= p_playlist->i_size )
 677                 index = p_playlist->i_size - 1;
 678         p_playlist->i_index = index;
 679 }
 680
 681
 682 /*********
 683  * audio *
 684  *********/
 685
 686 unsigned short VlcWrapper::GetVolume()
 687 {
 688     unsigned short i_volume;
 689     aout_VolumeGet( p_intf, (audio_volume_t*)&i_volume );
 690     return i_volume;
 691 }
 692
 693 void VlcWrapper::SetVolume( int value )
 694 {
 695     if ( p_intf->p_sys->b_mute )
 696     {
 697         p_intf->p_sys->b_mute = 0;
 698     }
 699     aout_VolumeSet( p_intf, value );
 700 }
 701
 702 void VlcWrapper::VolumeMute()
 703 {
 704     aout_VolumeMute( p_intf, NULL );
 705     p_intf->p_sys->b_mute = 1;
 706 }
 707
 708 void VlcWrapper::VolumeRestore()
 709 {
 710     audio_volume_t dummy;
 711     aout_VolumeMute( p_intf, &dummy );
 712     p_intf->p_sys->b_mute = 0;
 713 }
 714
 715 bool VlcWrapper::IsMuted()
 716 {
 717     return p_intf->p_sys->b_mute;
 718 }
 719
 720 /*******
 721  * DVD *
 722  *******/
 723
 724 bool VlcWrapper::IsUsingMenus()
 725 {
 726     if( !p_input )
 727         return false;
 728
 729     vlc_mutex_lock( &p_playlist->object_lock );
 730     if( p_playlist->i_index < 0 )
 731     {
 732         vlc_mutex_unlock( &p_playlist->object_lock );
 733         return false;
 734     }
 735
 736     char * psz_name = p_playlist->pp_items[p_playlist->i_index]->input.psz_name;
 737     if( !strncmp( psz_name, "dvdplay:", 8 ) )
 738     {
 739         vlc_mutex_unlock( &p_playlist->object_lock );
 740         return true;
 741     }
 742     vlc_mutex_unlock( &p_playlist->object_lock );
 743
 744     return false;
 745 }
 746
 747 bool VlcWrapper::HasTitles()
 748 {
 749     if( !p_input )
 750         return false;
 751
 752     return ( p_input->stream.i_area_nb > 1 );
 753 }
 754
 755 BList * VlcWrapper::GetTitles()
 756 {
 757     if( p_input )
 758     {
 759         vlc_mutex_lock( &p_input->stream.stream_lock );
 760
 761         BList *list = new BList( p_input->stream.i_area_nb );
 762         BMenuItem *menuItem;
 763         BMessage *message;
 764
 765         for( unsigned int i = 1; i < p_input->stream.i_area_nb; i++ )
 766         {
 767             message = new BMessage( TOGGLE_TITLE );
 768             message->AddInt32( "index", i );
 769             BString helper( "" );
 770             helper << i;
 771             menuItem = new BMenuItem( helper.String(), message );
 772             menuItem->SetMarked( p_input->stream.p_selected_area->i_id == i );
 773             list->AddItem( menuItem );
 774         }
 775
 776         vlc_mutex_unlock( &p_input->stream.stream_lock );
 777
 778         return list;
 779     }
 780     return NULL;
 781 }
 782
 783 void VlcWrapper::PrevTitle()
 784 {
 785     int i_id;
 786     i_id = p_input->stream.p_selected_area->i_id - 1;
 787     if( i_id > 0 )
 788     {
 789         ToggleTitle(i_id);
 790     }
 791 }
 792
 793 void VlcWrapper::NextTitle()
 794 {
 795     unsigned int i_id;
 796     i_id = p_input->stream.p_selected_area->i_id + 1;
 797     if( i_id < p_input->stream.i_area_nb )
 798     {
 799         ToggleTitle(i_id);
 800     }
 801 }
 802
 803 void VlcWrapper::ToggleTitle(int i_title)
 804 {
 805     if( p_input != NULL )
 806     {
 807         var_SetInteger( p_input, "title", i_title );
 808     }
 809 }
 810
 811 void VlcWrapper::TitleInfo( int32 &currentIndex, int32 &maxIndex )
 812 {
 813         currentIndex = -1;
 814         maxIndex = -1;
 815         if ( p_input )
 816         {
 817                 vlc_mutex_lock( &p_input->stream.stream_lock );
 818
 819                 maxIndex = p_input->stream.i_area_nb - 1;
 820                 if ( maxIndex > 0)
 821                         currentIndex = p_input->stream.p_selected_area->i_id;
 822                 else
 823                         maxIndex = -1;
 824
 825                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 826         }
 827 }
 828
 829 bool VlcWrapper::HasChapters()
 830 {
 831     if( !p_input )
 832     {
 833         return false;
 834     }
 835     return ( p_input->stream.p_selected_area->i_part_nb > 1 );
 836 }
 837
 838 BList * VlcWrapper::GetChapters()
 839 {
 840     if( p_input )
 841     {
 842         vlc_mutex_lock( &p_input->stream.stream_lock );
 843
 844         BList *list = new BList( p_input->stream.p_selected_area->i_part_nb );
 845         BMenuItem *menuItem;
 846         BMessage *message;
 847
 848         for( unsigned int i = 1;
 849              i < p_input->stream.p_selected_area->i_part_nb + 1; i++ )
 850         {
 851             message = new BMessage( TOGGLE_CHAPTER );
 852             message->AddInt32( "index", i );
 853             BString helper( "" );
 854             helper << i;
 855             menuItem = new BMenuItem( helper.String(), message );
 856             menuItem->SetMarked( p_input->stream.p_selected_area->i_part == i );
 857             list->AddItem( menuItem );
 858         }
 859
 860         vlc_mutex_unlock( &p_input->stream.stream_lock );
 861
 862         return list;
 863     }
 864     return NULL;
 865 }
 866
 867 void VlcWrapper::PrevChapter()
 868 {
 869     int i_id;
 870     i_id = p_input->stream.p_selected_area->i_part - 1;
 871     if( i_id >= 0 )
 872     {
 873         ToggleChapter(i_id);
 874     }
 875 }
 876
 877 void VlcWrapper::NextChapter()
 878 {
 879     int i_id;
 880     i_id = p_input->stream.p_selected_area->i_part + 1;
 881     if( i_id >= 0 )
 882     {
 883         ToggleChapter(i_id);
 884     }
 885 }
 886
 887 void VlcWrapper::ToggleChapter(int i_chapter)
 888 {
 889     if( p_input != NULL )
 890     {
 891         var_SetInteger( p_input, "chapter", i_chapter );
 892     }
 893 }
 894
 895 void VlcWrapper::ChapterInfo( int32 &currentIndex, int32 &maxIndex )
 896 {
 897         currentIndex = -1;
 898         maxIndex = -1;
 899         if ( p_input )
 900         {
 901                 vlc_mutex_lock( &p_input->stream.stream_lock );
 902
 903                 maxIndex = p_input->stream.p_selected_area->i_part_nb - 1;
 904                 if ( maxIndex > 0)
 905                         currentIndex = p_input->stream.p_selected_area->i_part;
 906                 else
 907                         maxIndex = -1;
 908
 909                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 910         }
 911 }
 912
 913 /****************
 914  * Miscellanous *
 915  ****************/
 916
 917 void VlcWrapper::LoadSubFile( const char * psz_file )
 918 {
 919     config_PutPsz( p_intf, "sub-file", strdup( psz_file ) );
 920 }
 921
 922 void VlcWrapper::FilterChange()
 923 {
 924     if( !p_input )
 925         return;
 926
 927     vout_thread_t * p_vout;
 928     vlc_mutex_lock( &p_input->stream.stream_lock );
 929
 930     // Warn the vout we are about to change the filter chain
 931     p_vout = (vout_thread_t*)vlc_object_find( p_intf, VLC_OBJECT_VOUT,
 932                                               FIND_ANYWHERE );
 933     if( p_vout )
 934     {
 935         p_vout->b_filter_change = VLC_TRUE;
 936         vlc_object_release( p_vout );
 937     }
 938
 939     // restart all video stream
 940     for( unsigned int i = 0; i < p_input->stream.i_es_number; i++ )
 941     {
 942         if( ( p_input->stream.pp_es[i]->i_cat == VIDEO_ES ) &&
 943             ( p_input->stream.pp_es[i]->p_dec != NULL ) )
 944         {
 945             input_UnselectES( p_input, p_input->stream.pp_es[i] );
 946             input_SelectES( p_input, p_input->stream.pp_es[i] );
 947         }
 948     }
 949     vlc_mutex_unlock( &p_input->stream.stream_lock );
 950 }