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 1.25 2003/02/09 11:51:36 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_playlist = (playlist_t *)vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
  49                                                 FIND_ANYWHERE );
  50 }
  51
  52 /* destructor */
  53 VlcWrapper::~VlcWrapper()
  54 {
  55     if( p_input )
  56     {
  57         vlc_object_release( p_input );
  58     }
  59     if( p_playlist )
  60     {
  61         vlc_object_release( p_playlist );
  62     }
  63 }
  64
  65 /* UpdateInput: updates p_input, returns true if the interface needs to
  66    be updated */
  67 bool VlcWrapper::UpdateInput()
  68 {
  69     if( p_input == NULL )
  70     {
  71         p_input = (input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT,
  72                                                      FIND_ANYWHERE );
  73     }
  74
  75     if( p_input != NULL )
  76     {
  77         if( p_input->b_dead )
  78         {
  79             vlc_object_release( p_input );
  80             p_input = NULL;
  81         }
  82         return true;
  83     }
  84     return false;
  85 }
  86
  87
  88 /***************************
  89  * input infos and control *
  90  ***************************/
  91
  92 bool VlcWrapper::HasInput()
  93 {
  94     return ( p_input != NULL );
  95 }
  96
  97 int VlcWrapper::InputStatus()
  98 {
  99     if( !p_input )
 100     {
 101         return UNDEF_S;
 102     }
 103     return p_input->stream.control.i_status;
 104 }
 105
 106 int VlcWrapper::InputRate()
 107 {
 108     if( !p_input )
 109     {
 110         return DEFAULT_RATE;
 111     }
 112     return p_input->stream.control.i_rate;
 113 }
 114
 115 void VlcWrapper::InputSlower()
 116 {
 117     if( p_input != NULL )
 118     {
 119         input_SetStatus( p_input, INPUT_STATUS_SLOWER );
 120     }
 121 }
 122
 123 void VlcWrapper::InputFaster()
 124 {
 125     if( p_input != NULL )
 126     {
 127         input_SetStatus( p_input, INPUT_STATUS_FASTER );
 128     }
 129 }
 130
 131 BList * VlcWrapper::GetChannels( int i_cat )
 132 {
 133     if( p_input )
 134     {
 135         unsigned int i;
 136         uint32 what;
 137         const char* fieldName;
 138
 139         switch( i_cat )
 140         {
 141             case AUDIO_ES:
 142             {
 143                 what = SELECT_CHANNEL;
 144                 fieldName = "channel";
 145                 break;
 146             }
 147             case SPU_ES:
 148             {
 149                 what = SELECT_SUBTITLE;
 150                 fieldName = "subtitle";
 151                 break;
 152             }
 153             default:
 154             return NULL;
 155        }
 156
 157         vlc_mutex_lock( &p_input->stream.stream_lock );
 158
 159         /* find which track is currently playing */
 160         es_descriptor_t *p_es = NULL;
 161         for( i = 0; i < p_input->stream.i_selected_es_number; i++ )
 162         {
 163             if( p_input->stream.pp_selected_es[i]->i_cat == i_cat )
 164                 p_es = p_input->stream.pp_selected_es[i];
 165         }
 166
 167         /* build a list of all tracks */
 168         BList *list = new BList( p_input->stream.i_es_number );
 169         BMenuItem *menuItem;
 170         BMessage *message;
 171         char *trackName;
 172
 173         /* "None" */
 174         message = new BMessage( what );
 175         message->AddInt32( fieldName, -1 );
 176         menuItem = new BMenuItem( "None", message );
 177         if( !p_es )
 178             menuItem->SetMarked( true );
 179         list->AddItem( menuItem );
 180
 181         for( i = 0; i < p_input->stream.i_es_number; i++ )
 182         {
 183             if( p_input->stream.pp_es[i]->i_cat == i_cat )
 184             {
 185                 message = new BMessage( what );
 186                 message->AddInt32( fieldName, i );
 187                 if( strlen( p_input->stream.pp_es[i]->psz_desc ) )
 188                     trackName = strdup( p_input->stream.pp_es[i]->psz_desc );
 189                 else
 190                     trackName = "<unknown>";
 191                 menuItem = new BMenuItem( trackName, message );
 192                 if( p_input->stream.pp_es[i] == p_es )
 193                     menuItem->SetMarked( true );
 194                 list->AddItem( menuItem );
 195             }
 196         }
 197
 198         vlc_mutex_unlock( &p_input->stream.stream_lock );
 199
 200         return list;
 201     }
 202     return NULL;
 203 }
 204
 205 void VlcWrapper::ToggleLanguage( int i_language )
 206 {
 207     es_descriptor_t * p_es = NULL;
 208     es_descriptor_t * p_es_old = NULL;
 209
 210     vlc_mutex_lock( &p_input->stream.stream_lock );
 211     for( unsigned int i = 0; i < p_input->stream.i_selected_es_number ; i++ )
 212     {
 213         if( p_input->stream.pp_selected_es[i]->i_cat == AUDIO_ES )
 214         {
 215             p_es_old = p_input->stream.pp_selected_es[i];
 216             break;
 217         }
 218     }
 219     vlc_mutex_unlock( &p_input->stream.stream_lock );
 220
 221     if( i_language != -1 )
 222     {
 223         p_es = p_input->stream.pp_es[i_language];
 224     }
 225     if( p_es == p_es_old )
 226     {
 227         return;
 228     }
 229     if( p_es_old )
 230     {
 231         input_ToggleES( p_input, p_es_old, VLC_FALSE );
 232     }
 233     if( p_es )
 234     {
 235         input_ToggleES( p_input, p_es, VLC_TRUE );
 236     }
 237 }
 238
 239 void VlcWrapper::ToggleSubtitle( int i_subtitle )
 240 {
 241     es_descriptor_t * p_es = NULL;
 242     es_descriptor_t * p_es_old = NULL;
 243
 244     vlc_mutex_lock( &p_input->stream.stream_lock );
 245     for( unsigned int i = 0; i < p_input->stream.i_selected_es_number ; i++ )
 246     {
 247         if( p_input->stream.pp_selected_es[i]->i_cat == SPU_ES )
 248         {
 249             p_es_old = p_input->stream.pp_selected_es[i];
 250             break;
 251         }
 252     }
 253     vlc_mutex_unlock( &p_input->stream.stream_lock );
 254
 255     if( i_subtitle != -1 )
 256     {
 257         p_es = p_input->stream.pp_es[i_subtitle];
 258     }
 259     if( p_es == p_es_old )
 260     {
 261         return;
 262     }
 263     if( p_es_old )
 264     {
 265         input_ToggleES( p_input, p_es_old, VLC_FALSE );
 266     }
 267     if( p_es )
 268     {
 269         input_ToggleES( p_input, p_es, VLC_TRUE );
 270     }
 271 }
 272
 273 const char * VlcWrapper::GetTimeAsString()
 274 {
 275     static char psz_currenttime[ OFFSETTOTIME_MAX_SIZE ];
 276
 277     if( p_input == NULL )
 278     {
 279         return ("-:--:--");
 280     }
 281
 282     input_OffsetToTime( p_input,
 283                         psz_currenttime,
 284                         p_input->stream.p_selected_area->i_tell );
 285
 286     return(psz_currenttime);
 287 }
 288
 289 float VlcWrapper::GetTimeAsFloat()
 290 {
 291     float f_time = 0.0;
 292
 293     if( p_input != NULL )
 294     {
 295         f_time = (float)p_input->stream.p_selected_area->i_tell /
 296                  (float)p_input->stream.p_selected_area->i_size;
 297     }
 298     else
 299     {
 300         f_time = 0.0;
 301     }
 302     return( f_time );
 303 }
 304
 305 void VlcWrapper::SetTimeAsFloat( float f_position )
 306 {
 307     if( p_input != NULL )
 308     {
 309         input_Seek( p_input,
 310                    (long long int)(p_input->stream.p_selected_area->i_size
 311                        * f_position / SEEKSLIDER_RANGE ),
 312                    INPUT_SEEK_SET);
 313     }
 314 }
 315
 316 bool VlcWrapper::IsPlaying()
 317 {
 318
 319         bool playing = false;
 320         if ( p_input )
 321         {
 322                 switch ( p_input->stream.control.i_status )
 323                 {
 324                         case PLAYING_S:
 325                         case FORWARD_S:
 326                         case BACKWARD_S:
 327                         case START_S:
 328                                 playing = true;
 329                     break;
 330                         case PAUSE_S:
 331                         case UNDEF_S:
 332                         case NOT_STARTED_S:
 333                         default:
 334                                 break;
 335                 }
 336         }
 337         return playing;
 338
 339 }
 340
 341 /************
 342  * playlist *
 343  ************/
 344
 345 void VlcWrapper::OpenFiles( BList* o_files, bool replace, int32 index )
 346 {
 347         if ( o_files && o_files->CountItems() > 0)
 348         {
 349             int size = PlaylistSize();
 350                 bool wasEmpty = ( size < 1 );
 351                 if ( index == -1 )
 352                         index = PLAYLIST_END;
 353                 int mode = index == PLAYLIST_END ? PLAYLIST_APPEND : PLAYLIST_INSERT;
 354
 355             /* delete current playlist */
 356             if( replace )
 357             {
 358                 for( int i = 0; i < size; i++ )
 359                 {
 360                     playlist_Delete( p_playlist, 0 );
 361                 }
 362             }
 363
 364             /* insert files */
 365             int32 count = o_files->CountItems();
 366             for ( int32 i = count - 1; i >= 0; i-- )
 367             {
 368                 if ( BString* o_file = (BString *)o_files->RemoveItem( i ) )
 369                 {
 370                         playlist_Add( p_playlist, o_file->String(),
 371                                       mode, index );
 372                         if ( mode == PLAYLIST_INSERT )
 373                                 index++;
 374                         delete o_file;
 375                 }
 376             }
 377             // TODO: implement a user setting
 378             // if to start automatically
 379             /* eventually restart playing */
 380             if( replace || wasEmpty )
 381             {
 382                 playlist_Stop( p_playlist );
 383                 playlist_Play( p_playlist );
 384             }
 385         }
 386 }
 387
 388 void VlcWrapper::OpenDisc(BString o_type, BString o_device, int i_title, int i_chapter)
 389 {
 390     if( p_intf->p_sys->b_dvdmenus )
 391         o_device.Prepend( "dvd:" );
 392     else
 393         o_device.Prepend( "dvdold:" );
 394     playlist_Add( p_playlist, o_device.String(),
 395                   PLAYLIST_APPEND | PLAYLIST_GO, PLAYLIST_END );
 396 }
 397
 398 int VlcWrapper::PlaylistSize()
 399 {
 400     vlc_mutex_lock( &p_playlist->object_lock );
 401     int i_size = p_playlist->i_size;
 402     vlc_mutex_unlock( &p_playlist->object_lock );
 403     return i_size;
 404 }
 405
 406 char * VlcWrapper::PlaylistItemName( int i )
 407 {
 408    return p_playlist->pp_items[i]->psz_name;
 409 }
 410
 411 int VlcWrapper::PlaylistCurrent()
 412 {
 413     return p_playlist->i_index;
 414 }
 415
 416 bool VlcWrapper::PlaylistPlay()
 417 {
 418     if( PlaylistSize() )
 419     {
 420         playlist_Play( p_playlist );
 421     }
 422     return( true );
 423 }
 424
 425 void VlcWrapper::PlaylistPause()
 426 {
 427     if( p_input )
 428     {
 429         input_SetStatus( p_input, INPUT_STATUS_PAUSE );
 430     }
 431 }
 432
 433 void VlcWrapper::PlaylistStop()
 434 {
 435     playlist_Stop( p_playlist );
 436 }
 437
 438 void VlcWrapper::PlaylistNext()
 439 {
 440     playlist_Next( p_playlist );
 441 }
 442
 443 void VlcWrapper::PlaylistPrev()
 444 {
 445     playlist_Prev( p_playlist );
 446 }
 447
 448 void VlcWrapper::GetPlaylistInfo( int32& currentIndex, int32& maxIndex )
 449 {
 450         currentIndex = -1;
 451         maxIndex = -1;
 452         if ( p_playlist )
 453         {
 454             vlc_mutex_lock( &p_playlist->object_lock );
 455
 456                 maxIndex = p_playlist->i_size;
 457                 if ( maxIndex > 0 )
 458                         currentIndex = p_playlist->i_index/* + 1 -> why?!?*/;
 459                 else
 460                         maxIndex = -1;
 461
 462             vlc_mutex_unlock( &p_playlist->object_lock );
 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  * Playlist manipulation *
 616  *************************/
 617
 618 // PlaylistLock
 619 bool
 620 VlcWrapper::PlaylistLock() const
 621 {
 622 // TODO: search and destroy -> deadlock!
 623 return true;
 624         if ( p_playlist )
 625         {
 626                 vlc_mutex_lock( &p_playlist->object_lock );
 627                 return true;
 628         }
 629         return false;
 630 }
 631
 632 // PlaylistUnlock
 633 void
 634 VlcWrapper::PlaylistUnlock() const
 635 {
 636 // TODO: search and destroy -> deadlock!
 637 return;
 638         vlc_mutex_unlock( &p_playlist->object_lock );
 639 }
 640
 641 // PlaylistItemAt
 642 void*
 643 VlcWrapper::PlaylistItemAt( int index ) const
 644 {
 645         playlist_item_t* item = NULL;
 646         if ( index >= 0 && index < p_playlist->i_size )
 647                 item = p_playlist->pp_items[index];
 648         return (void*)item;
 649 }
 650
 651 // PlaylistRemoveItem
 652 void*
 653 VlcWrapper::PlaylistRemoveItem( int index ) const
 654 {
 655         playlist_item_t* copy = NULL;
 656         // check if item exists at the provided index
 657         if ( index >= 0 && index < p_playlist->i_size )
 658         {
 659                 playlist_item_t* item = p_playlist->pp_items[index];
 660                 if ( item )
 661                 {
 662                         // make a copy of the removed item
 663                         copy = (playlist_item_t*)PlaylistCloneItem( (void*)item );
 664                         // remove item from playlist (unfortunately, this frees it)
 665                         playlist_Delete( p_playlist, index );
 666                 }
 667         }
 668         return (void*)copy;
 669 }
 670
 671 // PlaylistRemoveItem
 672 void*
 673 VlcWrapper::PlaylistRemoveItem( void* item ) const
 674 {
 675         playlist_item_t* copy = NULL;
 676         for ( int32 i = 0; i < p_playlist->i_size; i++ )
 677         {
 678                 if ( p_playlist->pp_items[i] == item )
 679                 {
 680                         copy = (playlist_item_t*)PlaylistRemoveItem( i );
 681                         break;
 682                 }
 683         }
 684         return (void*)copy;
 685 }
 686
 687 // PlaylistAddItem
 688 bool
 689 VlcWrapper::PlaylistAddItem( void* item, int index ) const
 690 {
 691         if ( item )
 692         {
 693                 playlist_AddItem( p_playlist, (playlist_item_t*)item,
 694                                                   PLAYLIST_INSERT, index );
 695         }
 696         // TODO: once playlist is returning useful info, return that instead
 697         return true;
 698 }
 699
 700 // PlaylistCloneItem
 701 void*
 702 VlcWrapper::PlaylistCloneItem( void* castToItem ) const
 703 {
 704         playlist_item_t* copy = NULL;
 705         playlist_item_t* item = (playlist_item_t*)castToItem;
 706         if ( item )
 707         {
 708                 copy = (playlist_item_t*)malloc( sizeof( playlist_item_t ) );
 709                 if ( copy )
 710                 {
 711                         // make a copy of the item at index
 712                         copy->psz_name = strdup( item->psz_name );
 713                         copy->psz_uri  = strdup( item->psz_uri );
 714                         copy->i_type = item->i_type;
 715                         copy->i_status = item->i_status;
 716                         copy->b_autodeletion = item->b_autodeletion;
 717                 }
 718         }
 719         return (void*)copy;
 720 }
 721
 722 // Careful! You need to know what you're doing here!
 723 // The reason for having it, is to be able to deal with
 724 // the rather lame list implementation of the playlist.
 725 // It is meant to help manipulate the playlist with the above
 726 // methods while keeping it valid.
 727 //
 728 // PlaylistSetPlaying
 729 void
 730 VlcWrapper::PlaylistSetPlaying( int index ) const
 731 {
 732         if ( index < 0 )
 733                 index = 0;
 734         if ( index >= p_playlist->i_size )
 735                 index = p_playlist->i_size - 1;
 736         p_playlist->i_index = index;
 737 }
 738
 739
 740 /*********
 741  * audio *
 742  *********/
 743
 744 unsigned short VlcWrapper::GetVolume()
 745 {
 746     unsigned short i_volume;
 747     aout_VolumeGet( p_intf, (audio_volume_t*)&i_volume );
 748     return i_volume;
 749 }
 750
 751 void VlcWrapper::SetVolume( int value )
 752 {
 753     if ( p_intf->p_sys->b_mute )
 754     {
 755         p_intf->p_sys->b_mute = 0;
 756     }
 757     aout_VolumeSet( p_intf, value );
 758 }
 759
 760 void VlcWrapper::VolumeMute()
 761 {
 762         aout_VolumeGet( p_intf, &p_intf->p_sys->i_saved_volume );
 763     aout_VolumeMute( p_intf, NULL );
 764     p_intf->p_sys->b_mute = 1;
 765 }
 766
 767 void VlcWrapper::VolumeRestore()
 768 {
 769     aout_VolumeSet( p_intf, p_intf->p_sys->i_saved_volume );
 770     p_intf->p_sys->b_mute = 0;
 771 }
 772
 773 bool VlcWrapper::IsMuted()
 774 {
 775     return p_intf->p_sys->b_mute;
 776 }
 777
 778 /*******
 779  * DVD *
 780  *******/
 781
 782 bool VlcWrapper::HasTitles()
 783 {
 784     if( !p_input )
 785     {
 786         return false;
 787     }
 788     return ( p_input->stream.i_area_nb > 1 );
 789 }
 790
 791 BList * VlcWrapper::GetTitles()
 792 {
 793     if( p_input )
 794     {
 795         vlc_mutex_lock( &p_input->stream.stream_lock );
 796
 797         BList *list = new BList( p_input->stream.i_area_nb );
 798         BMenuItem *menuItem;
 799         BMessage *message;
 800
 801         for( unsigned int i = 1; i < p_input->stream.i_area_nb; i++ )
 802         {
 803             message = new BMessage( TOGGLE_TITLE );
 804             message->AddInt32( "index", i );
 805             BString helper( "" );
 806             helper << i;
 807             menuItem = new BMenuItem( helper.String(), message );
 808             menuItem->SetMarked( p_input->stream.p_selected_area->i_id == i );
 809             list->AddItem( menuItem );
 810         }
 811
 812         vlc_mutex_unlock( &p_input->stream.stream_lock );
 813
 814         return list;
 815     }
 816     return NULL;
 817 }
 818
 819 void VlcWrapper::PrevTitle()
 820 {
 821     int i_id;
 822     i_id = p_input->stream.p_selected_area->i_id - 1;
 823     if( i_id > 0 )
 824     {
 825         ToggleTitle(i_id);
 826     }
 827 }
 828
 829 void VlcWrapper::NextTitle()
 830 {
 831     unsigned int i_id;
 832     i_id = p_input->stream.p_selected_area->i_id + 1;
 833     if( i_id < p_input->stream.i_area_nb )
 834     {
 835         ToggleTitle(i_id);
 836     }
 837 }
 838
 839 void VlcWrapper::ToggleTitle(int i_title)
 840 {
 841     if( p_input != NULL )
 842     {
 843         input_ChangeArea( p_input,
 844                           p_input->stream.pp_areas[i_title] );
 845
 846         vlc_mutex_lock( &p_input->stream.stream_lock );
 847
 848         vlc_mutex_unlock( &p_input->stream.stream_lock );
 849     }
 850 }
 851
 852 void VlcWrapper::TitleInfo( int32 &currentIndex, int32 &maxIndex )
 853 {
 854         currentIndex = -1;
 855         maxIndex = -1;
 856         if ( p_input )
 857         {
 858                 vlc_mutex_lock( &p_input->stream.stream_lock );
 859
 860                 maxIndex = p_input->stream.i_area_nb - 1;
 861                 if ( maxIndex > 0)
 862                         currentIndex = p_input->stream.p_selected_area->i_id;
 863                 else
 864                         maxIndex = -1;
 865
 866                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 867         }
 868 }
 869
 870 bool VlcWrapper::HasChapters()
 871 {
 872     if( !p_input )
 873     {
 874         return false;
 875     }
 876     return ( p_input->stream.p_selected_area->i_part_nb > 1 );
 877 }
 878
 879 BList * VlcWrapper::GetChapters()
 880 {
 881     if( p_input )
 882     {
 883         vlc_mutex_lock( &p_input->stream.stream_lock );
 884
 885         BList *list = new BList( p_input->stream.p_selected_area->i_part_nb );
 886         BMenuItem *menuItem;
 887         BMessage *message;
 888
 889         for( unsigned int i = 1;
 890              i < p_input->stream.p_selected_area->i_part_nb + 1; i++ )
 891         {
 892             message = new BMessage( TOGGLE_CHAPTER );
 893             message->AddInt32( "index", i );
 894             BString helper( "" );
 895             helper << i;
 896             menuItem = new BMenuItem( helper.String(), message );
 897             menuItem->SetMarked( p_input->stream.p_selected_area->i_part == i );
 898             list->AddItem( menuItem );
 899         }
 900
 901         vlc_mutex_unlock( &p_input->stream.stream_lock );
 902
 903         return list;
 904     }
 905     return NULL;
 906 }
 907
 908 void VlcWrapper::PrevChapter()
 909 {
 910     int i_id;
 911     i_id = p_input->stream.p_selected_area->i_part - 1;
 912     if( i_id >= 0 )
 913     {
 914         ToggleChapter(i_id);
 915     }
 916 }
 917
 918 void VlcWrapper::NextChapter()
 919 {
 920     int i_id;
 921     i_id = p_input->stream.p_selected_area->i_part + 1;
 922     if( i_id >= 0 )
 923     {
 924         ToggleChapter(i_id);
 925     }
 926 }
 927
 928 void VlcWrapper::ToggleChapter(int i_chapter)
 929 {
 930     if( p_input != NULL )
 931     {
 932         p_input->stream.p_selected_area->i_part = i_chapter;
 933         input_ChangeArea( p_input,
 934                           p_input->stream.p_selected_area );
 935
 936         vlc_mutex_lock( &p_input->stream.stream_lock );
 937         vlc_mutex_unlock( &p_input->stream.stream_lock );
 938     }
 939 }
 940
 941 void VlcWrapper::ChapterInfo( int32 &currentIndex, int32 &maxIndex )
 942 {
 943         currentIndex = -1;
 944         maxIndex = -1;
 945         if ( p_input )
 946         {
 947                 vlc_mutex_lock( &p_input->stream.stream_lock );
 948
 949                 maxIndex = p_input->stream.p_selected_area->i_part_nb - 1;
 950                 if ( maxIndex > 0)
 951                         currentIndex = p_input->stream.p_selected_area->i_part;
 952                 else
 953                         maxIndex = -1;
 954
 955                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 956         }
 957 }
 958
 959 /****************
 960  * Miscellanous *
 961  ****************/
 962
 963 void VlcWrapper::LoadSubFile( const char * psz_file )
 964 {
 965     config_PutPsz( p_intf, "sub-file", strdup( psz_file ) );
 966 }
 967
 968 void VlcWrapper::FilterChange()
 969 {
 970     if( !p_input )
 971         return;
 972
 973     vout_thread_t * p_vout;
 974     vlc_mutex_lock( &p_input->stream.stream_lock );
 975
 976     /* Warn the vout we are about to change the filter chain */
 977     p_vout = (vout_thread_t*)vlc_object_find( p_intf, VLC_OBJECT_VOUT,
 978                                               FIND_ANYWHERE );
 979     if( p_vout )
 980     {
 981         p_vout->b_filter_change = VLC_TRUE;
 982         vlc_object_release( p_vout );
 983     }
 984
 985     /* restart all video stream */
 986     for( unsigned int i = 0; i < p_input->stream.i_es_number; i++ )
 987     {
 988         if( ( p_input->stream.pp_es[i]->i_cat == VIDEO_ES ) &&
 989             ( p_input->stream.pp_es[i]->p_decoder_fifo != NULL ) )
 990         {
 991             input_UnselectES( p_input, p_input->stream.pp_es[i] );
 992             input_SelectES( p_input, p_input->stream.pp_es[i] );
 993         }
 994     }
 995     vlc_mutex_unlock( &p_input->stream.stream_lock );
 996 }