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 1.31 2003/05/30 17:30:54 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 <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         return UNDEF_S;
 100
 101     return p_input->stream.control.i_status;
 102 }
 103
 104 int VlcWrapper::InputRate()
 105 {
 106     if( !p_input )
 107         return DEFAULT_RATE;
 108
 109     return p_input->stream.control.i_rate;
 110 }
 111
 112 void VlcWrapper::InputSetRate( int rate )
 113 {
 114     if( !p_input )
 115         return;
 116
 117     int times = 0;
 118     int oldrate = InputRate();
 119     switch( ( rate > oldrate ) ? ( rate / oldrate ) : ( oldrate / rate ) )
 120     {
 121         case 64:
 122             times = 6;
 123             break;
 124         case 32:
 125             times = 5;
 126             break;
 127         case 16:
 128             times = 4;
 129             break;
 130         case 8:
 131             times = 3;
 132             break;
 133         case 4:
 134             times = 2;
 135             break;
 136         case 2:
 137             times = 1;
 138             break;
 139     }
 140
 141     int newrate = oldrate;
 142     for( int i = 0; i < times; i++ )
 143     {
 144         if( rate > oldrate )
 145         {
 146             input_SetStatus( p_input, INPUT_STATUS_SLOWER );
 147             newrate *= 2;
 148         }
 149         else
 150         {
 151             input_SetStatus( p_input, INPUT_STATUS_FASTER );
 152             newrate /= 2;
 153         }
 154         /* Wait it's actually done */
 155         while( InputRate() != newrate )
 156             msleep( 10000 );
 157     }
 158 }
 159
 160 BList * VlcWrapper::GetChannels( int i_cat )
 161 {
 162     if( p_input )
 163     {
 164         unsigned int i;
 165         uint32 what;
 166         const char* fieldName;
 167
 168         switch( i_cat )
 169         {
 170             case AUDIO_ES:
 171             {
 172                 what = SELECT_CHANNEL;
 173                 fieldName = "channel";
 174                 break;
 175             }
 176             case SPU_ES:
 177             {
 178                 what = SELECT_SUBTITLE;
 179                 fieldName = "subtitle";
 180                 break;
 181             }
 182             default:
 183             return NULL;
 184        }
 185
 186         vlc_mutex_lock( &p_input->stream.stream_lock );
 187
 188         /* find which track is currently playing */
 189         es_descriptor_t *p_es = NULL;
 190         for( i = 0; i < p_input->stream.i_selected_es_number; i++ )
 191         {
 192             if( p_input->stream.pp_selected_es[i]->i_cat == i_cat )
 193                 p_es = p_input->stream.pp_selected_es[i];
 194         }
 195
 196         /* build a list of all tracks */
 197         BList *list = new BList( p_input->stream.i_es_number );
 198         BMenuItem *menuItem;
 199         BMessage *message;
 200         char *trackName;
 201
 202         /* "None" */
 203         message = new BMessage( what );
 204         message->AddInt32( fieldName, -1 );
 205         menuItem = new BMenuItem( _("None"), message );
 206         if( !p_es )
 207             menuItem->SetMarked( true );
 208         list->AddItem( menuItem );
 209
 210         for( i = 0; i < p_input->stream.i_es_number; i++ )
 211         {
 212             if( p_input->stream.pp_es[i]->i_cat == i_cat )
 213             {
 214                 message = new BMessage( what );
 215                 message->AddInt32( fieldName, i );
 216                 if( !p_input->stream.pp_es[i]->psz_desc ||
 217                     !*p_input->stream.pp_es[i]->psz_desc )
 218                     trackName = _("<unknown>");
 219                 else
 220                     trackName = strdup( p_input->stream.pp_es[i]->psz_desc );
 221                 menuItem = new BMenuItem( trackName, message );
 222                 if( p_input->stream.pp_es[i] == p_es )
 223                     menuItem->SetMarked( true );
 224                 list->AddItem( menuItem );
 225             }
 226         }
 227
 228         vlc_mutex_unlock( &p_input->stream.stream_lock );
 229
 230         return list;
 231     }
 232     return NULL;
 233 }
 234
 235 void VlcWrapper::ToggleLanguage( int i_language )
 236 {
 237     es_descriptor_t * p_es = NULL;
 238     es_descriptor_t * p_es_old = NULL;
 239
 240     vlc_mutex_lock( &p_input->stream.stream_lock );
 241     for( unsigned int i = 0; i < p_input->stream.i_selected_es_number ; i++ )
 242     {
 243         if( p_input->stream.pp_selected_es[i]->i_cat == AUDIO_ES )
 244         {
 245             p_es_old = p_input->stream.pp_selected_es[i];
 246             break;
 247         }
 248     }
 249     vlc_mutex_unlock( &p_input->stream.stream_lock );
 250
 251     if( i_language != -1 )
 252     {
 253         p_es = p_input->stream.pp_es[i_language];
 254     }
 255     if( p_es == p_es_old )
 256     {
 257         return;
 258     }
 259     if( p_es_old )
 260     {
 261         input_ToggleES( p_input, p_es_old, VLC_FALSE );
 262     }
 263     if( p_es )
 264     {
 265         input_ToggleES( p_input, p_es, VLC_TRUE );
 266     }
 267 }
 268
 269 void VlcWrapper::ToggleSubtitle( int i_subtitle )
 270 {
 271     es_descriptor_t * p_es = NULL;
 272     es_descriptor_t * p_es_old = NULL;
 273
 274     vlc_mutex_lock( &p_input->stream.stream_lock );
 275     for( unsigned int i = 0; i < p_input->stream.i_selected_es_number ; i++ )
 276     {
 277         if( p_input->stream.pp_selected_es[i]->i_cat == SPU_ES )
 278         {
 279             p_es_old = p_input->stream.pp_selected_es[i];
 280             break;
 281         }
 282     }
 283     vlc_mutex_unlock( &p_input->stream.stream_lock );
 284
 285     if( i_subtitle != -1 )
 286     {
 287         p_es = p_input->stream.pp_es[i_subtitle];
 288     }
 289     if( p_es == p_es_old )
 290     {
 291         return;
 292     }
 293     if( p_es_old )
 294     {
 295         input_ToggleES( p_input, p_es_old, VLC_FALSE );
 296     }
 297     if( p_es )
 298     {
 299         input_ToggleES( p_input, p_es, VLC_TRUE );
 300     }
 301 }
 302
 303 const char * VlcWrapper::GetTimeAsString()
 304 {
 305     static char psz_currenttime[ OFFSETTOTIME_MAX_SIZE ];
 306
 307     if( p_input == NULL )
 308     {
 309         return ("-:--:--");
 310     }
 311
 312     input_OffsetToTime( p_input,
 313                         psz_currenttime,
 314                         p_input->stream.p_selected_area->i_tell );
 315
 316     return(psz_currenttime);
 317 }
 318
 319 float VlcWrapper::GetTimeAsFloat()
 320 {
 321     float f_time = 0.0;
 322
 323     if( p_input != NULL )
 324     {
 325         f_time = (float)p_input->stream.p_selected_area->i_tell /
 326                  (float)p_input->stream.p_selected_area->i_size;
 327     }
 328     else
 329     {
 330         f_time = 0.0;
 331     }
 332     return( f_time );
 333 }
 334
 335 void VlcWrapper::SetTimeAsFloat( float f_position )
 336 {
 337     if( p_input != NULL )
 338     {
 339         input_Seek( p_input,
 340                    (long long)(p_input->stream.p_selected_area->i_size
 341                        * f_position / SEEKSLIDER_RANGE ),
 342                    INPUT_SEEK_SET );
 343     }
 344 }
 345
 346 bool VlcWrapper::IsPlaying()
 347 {
 348
 349         bool playing = false;
 350         if ( p_input )
 351         {
 352                 switch ( p_input->stream.control.i_status )
 353                 {
 354                         case PLAYING_S:
 355                         case FORWARD_S:
 356                         case BACKWARD_S:
 357                         case START_S:
 358                                 playing = true;
 359                     break;
 360                         case PAUSE_S:
 361                         case UNDEF_S:
 362                         case NOT_STARTED_S:
 363                         default:
 364                                 break;
 365                 }
 366         }
 367         return playing;
 368
 369 }
 370
 371 /************
 372  * playlist *
 373  ************/
 374
 375 void VlcWrapper::OpenFiles( BList* o_files, bool replace, int32 index )
 376 {
 377         if ( o_files && o_files->CountItems() > 0)
 378         {
 379             int size = PlaylistSize();
 380                 bool wasEmpty = ( size < 1 );
 381                 if ( index == -1 )
 382                         index = PLAYLIST_END;
 383                 int mode = index == PLAYLIST_END ? PLAYLIST_APPEND : PLAYLIST_INSERT;
 384
 385             /* delete current playlist */
 386             if( replace )
 387             {
 388                 for( int i = 0; i < size; i++ )
 389                 {
 390                     playlist_Delete( p_playlist, 0 );
 391                 }
 392             }
 393
 394             /* insert files */
 395             int32 count = o_files->CountItems();
 396             for ( int32 i = count - 1; i >= 0; i-- )
 397             {
 398                 if ( BString* o_file = (BString *)o_files->RemoveItem( i ) )
 399                 {
 400                         playlist_Add( p_playlist, o_file->String(),
 401                                       mode, index );
 402                         if ( mode == PLAYLIST_INSERT )
 403                                 index++;
 404                         delete o_file;
 405                 }
 406             }
 407             // TODO: implement a user setting
 408             // if to start automatically
 409             /* eventually restart playing */
 410             if( replace || wasEmpty )
 411             {
 412                 playlist_Stop( p_playlist );
 413                 playlist_Play( p_playlist );
 414             }
 415         }
 416 }
 417
 418 void VlcWrapper::OpenDisc(BString o_type, BString o_device, int i_title, int i_chapter)
 419 {
 420     if( config_GetInt( p_intf, "beos-dvdmenus" ) )
 421         o_device.Prepend( "dvdplay:" );
 422     else
 423         o_device.Prepend( "dvdold:" );
 424     playlist_Add( p_playlist, o_device.String(),
 425                   PLAYLIST_APPEND | PLAYLIST_GO, PLAYLIST_END );
 426 }
 427
 428 int VlcWrapper::PlaylistSize()
 429 {
 430     vlc_mutex_lock( &p_playlist->object_lock );
 431     int i_size = p_playlist->i_size;
 432     vlc_mutex_unlock( &p_playlist->object_lock );
 433     return i_size;
 434 }
 435
 436 char * VlcWrapper::PlaylistItemName( int i )
 437 {
 438    return p_playlist->pp_items[i]->psz_name;
 439 }
 440
 441 int VlcWrapper::PlaylistCurrent()
 442 {
 443     return p_playlist->i_index;
 444 }
 445
 446 bool VlcWrapper::PlaylistPlay()
 447 {
 448     if( PlaylistSize() )
 449     {
 450         playlist_Play( p_playlist );
 451     }
 452     return( true );
 453 }
 454
 455 void VlcWrapper::PlaylistPause()
 456 {
 457     if( p_input )
 458     {
 459         input_SetStatus( p_input, INPUT_STATUS_PAUSE );
 460     }
 461 }
 462
 463 void VlcWrapper::PlaylistStop()
 464 {
 465     playlist_Stop( p_playlist );
 466 }
 467
 468 void VlcWrapper::PlaylistNext()
 469 {
 470     playlist_Next( p_playlist );
 471 }
 472
 473 void VlcWrapper::PlaylistPrev()
 474 {
 475     playlist_Prev( p_playlist );
 476 }
 477
 478 void VlcWrapper::GetPlaylistInfo( int32& currentIndex, int32& maxIndex )
 479 {
 480         currentIndex = -1;
 481         maxIndex = -1;
 482         if ( p_playlist )
 483         {
 484             vlc_mutex_lock( &p_playlist->object_lock );
 485
 486                 maxIndex = p_playlist->i_size;
 487                 if ( maxIndex > 0 )
 488                         currentIndex = p_playlist->i_index/* + 1 -> why?!?*/;
 489                 else
 490                         maxIndex = -1;
 491
 492             vlc_mutex_unlock( &p_playlist->object_lock );
 493         }
 494 }
 495
 496 void VlcWrapper::PlaylistJumpTo( int pos )
 497 {
 498     playlist_Goto( p_playlist, pos );
 499 }
 500
 501 void VlcWrapper::GetNavCapabilities( bool *canSkipPrev, bool *canSkipNext )
 502 {
 503         if ( canSkipPrev && canSkipNext )
 504         {
 505                 // init the parameters
 506                 *canSkipPrev = false;
 507                 *canSkipNext = false;
 508                 // get playlist info
 509                 int pos = PlaylistCurrent();
 510                 int size = PlaylistSize();
 511
 512                 // see if we have got a stream going
 513                 if ( p_input )
 514                 {
 515                         vlc_mutex_lock( &p_input->stream.stream_lock );
 516
 517                         bool hasTitles = p_input->stream.i_area_nb > 1;
 518                         int numChapters = p_input->stream.p_selected_area->i_part_nb;
 519                         bool hasChapters = numChapters > 1;
 520                         // first, look for chapters
 521                         if ( hasChapters )
 522                         {
 523                                 *canSkipPrev = p_input->stream.p_selected_area->i_part > 0;
 524                                 *canSkipNext = p_input->stream.p_selected_area->i_part <
 525                                                                          p_input->stream.p_selected_area->i_part_nb - 1;
 526                         }
 527                         // if one of the skip capabilities is false,
 528                         // make it depend on titles instead
 529                         if ( !*canSkipPrev && hasTitles )
 530                                 *canSkipPrev = p_input->stream.p_selected_area->i_id > 1;
 531                         if ( !*canSkipNext && hasTitles )
 532                                 *canSkipNext = p_input->stream.p_selected_area->i_id <
 533                                                    p_input->stream.i_area_nb - 1;
 534
 535                         vlc_mutex_unlock( &p_input->stream.stream_lock );
 536                 }
 537                 // last but not least, make capabilities depend on playlist
 538                 if ( !*canSkipPrev )
 539                         *canSkipPrev = pos > 0;
 540                 if ( !*canSkipNext )
 541                         *canSkipNext = pos < size - 1;
 542         }
 543 }
 544
 545 void VlcWrapper::NavigatePrev()
 546 {
 547         bool hasSkiped = false;
 548
 549         // see if we have got a stream going
 550         if ( p_input )
 551         {
 552                 // get information from stream (lock it while looking at it)
 553                 vlc_mutex_lock( &p_input->stream.stream_lock );
 554
 555                 int currentTitle = p_input->stream.p_selected_area->i_id;
 556                 int currentChapter = p_input->stream.p_selected_area->i_part;
 557                 int numTitles = p_input->stream.i_area_nb;
 558                 bool hasTitles = numTitles > 1;
 559                 int numChapters = p_input->stream.p_selected_area->i_part_nb;
 560                 bool hasChapters = numChapters > 1;
 561
 562                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 563
 564                 // first, look for chapters
 565                 if ( hasChapters )
 566                 {
 567                         // skip to the previous chapter
 568                         currentChapter--;
 569
 570                         if ( currentChapter >= 0 )
 571                         {
 572                                 ToggleChapter( currentChapter );
 573                                 hasSkiped = true;
 574                         }
 575                 }
 576                 // if we couldn't skip chapters, try titles instead
 577                 if ( !hasSkiped && hasTitles )
 578                 {
 579                         // skip to the previous title
 580                         currentTitle--;
 581                         // disallow area 0 since it is used for video_ts.vob
 582                         if( currentTitle > 0 )
 583                         {
 584                                 ToggleTitle(currentTitle);
 585                                 hasSkiped = true;
 586                         }
 587                 }
 588
 589         }
 590         // last but not least, skip to previous file
 591         if ( !hasSkiped )
 592                 PlaylistPrev();
 593 }
 594
 595 void VlcWrapper::NavigateNext()
 596 {
 597         bool hasSkiped = false;
 598
 599         // see if we have got a stream going
 600         if ( p_input )
 601         {
 602                 // get information from stream (lock it while looking at it)
 603                 vlc_mutex_lock( &p_input->stream.stream_lock );
 604
 605                 int currentTitle = p_input->stream.p_selected_area->i_id;
 606                 int currentChapter = p_input->stream.p_selected_area->i_part;
 607                 int numTitles = p_input->stream.i_area_nb;
 608                 bool hasTitles = numTitles > 1;
 609                 int numChapters = p_input->stream.p_selected_area->i_part_nb;
 610                 bool hasChapters = numChapters > 1;
 611
 612                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 613
 614                 // first, look for chapters
 615                 if ( hasChapters )
 616                 {
 617                         // skip to the next chapter
 618                         currentChapter++;
 619                         if ( currentChapter < numChapters )
 620                         {
 621                                 ToggleChapter( currentChapter );
 622                                 hasSkiped = true;
 623                         }
 624                 }
 625                 // if we couldn't skip chapters, try titles instead
 626                 if ( !hasSkiped && hasTitles )
 627                 {
 628                         // skip to the next title
 629                         currentTitle++;
 630                         // disallow area 0 since it is used for video_ts.vob
 631                         if ( currentTitle < numTitles - 1 )
 632                         {
 633                                 ToggleTitle(currentTitle);
 634                                 hasSkiped = true;
 635                         }
 636                 }
 637
 638         }
 639         // last but not least, skip to next file
 640         if ( !hasSkiped )
 641                 PlaylistNext();
 642 }
 643
 644 /*************************
 645  * Playlist manipulation *
 646  *************************/
 647
 648 // PlaylistLock
 649 bool
 650 VlcWrapper::PlaylistLock() const
 651 {
 652 // TODO: search and destroy -> deadlock!
 653 return true;
 654         if ( p_playlist )
 655         {
 656                 vlc_mutex_lock( &p_playlist->object_lock );
 657                 return true;
 658         }
 659         return false;
 660 }
 661
 662 // PlaylistUnlock
 663 void
 664 VlcWrapper::PlaylistUnlock() const
 665 {
 666 // TODO: search and destroy -> deadlock!
 667 return;
 668         vlc_mutex_unlock( &p_playlist->object_lock );
 669 }
 670
 671 // PlaylistItemAt
 672 void*
 673 VlcWrapper::PlaylistItemAt( int index ) const
 674 {
 675         playlist_item_t* item = NULL;
 676         if ( index >= 0 && index < p_playlist->i_size )
 677                 item = p_playlist->pp_items[index];
 678         return (void*)item;
 679 }
 680
 681 // PlaylistRemoveItem
 682 void*
 683 VlcWrapper::PlaylistRemoveItem( int index ) const
 684 {
 685         playlist_item_t* copy = NULL;
 686         // check if item exists at the provided index
 687         if ( index >= 0 && index < p_playlist->i_size )
 688         {
 689                 playlist_item_t* item = p_playlist->pp_items[index];
 690                 if ( item )
 691                 {
 692                         // make a copy of the removed item
 693                         copy = (playlist_item_t*)PlaylistCloneItem( (void*)item );
 694                         // remove item from playlist (unfortunately, this frees it)
 695                         playlist_Delete( p_playlist, index );
 696                 }
 697         }
 698         return (void*)copy;
 699 }
 700
 701 // PlaylistRemoveItem
 702 void*
 703 VlcWrapper::PlaylistRemoveItem( void* item ) const
 704 {
 705         playlist_item_t* copy = NULL;
 706         for ( int32 i = 0; i < p_playlist->i_size; i++ )
 707         {
 708                 if ( p_playlist->pp_items[i] == item )
 709                 {
 710                         copy = (playlist_item_t*)PlaylistRemoveItem( i );
 711                         break;
 712                 }
 713         }
 714         return (void*)copy;
 715 }
 716
 717 // PlaylistAddItem
 718 bool
 719 VlcWrapper::PlaylistAddItem( void* item, int index ) const
 720 {
 721         if ( item )
 722         {
 723                 playlist_AddItem( p_playlist, (playlist_item_t*)item,
 724                                                   PLAYLIST_INSERT, index );
 725         }
 726         // TODO: once playlist is returning useful info, return that instead
 727         return true;
 728 }
 729
 730 // PlaylistCloneItem
 731 void*
 732 VlcWrapper::PlaylistCloneItem( void* castToItem ) const
 733 {
 734         playlist_item_t* copy = NULL;
 735         playlist_item_t* item = (playlist_item_t*)castToItem;
 736         if ( item )
 737         {
 738                 copy = (playlist_item_t*)malloc( sizeof( playlist_item_t ) );
 739                 if ( copy )
 740                 {
 741                         // make a copy of the item at index
 742                         copy->psz_name = strdup( item->psz_name );
 743                         copy->psz_uri  = strdup( item->psz_uri );
 744                         copy->i_type = item->i_type;
 745                         copy->i_status = item->i_status;
 746                         copy->b_autodeletion = item->b_autodeletion;
 747                 }
 748         }
 749         return (void*)copy;
 750 }
 751
 752 // Careful! You need to know what you're doing here!
 753 // The reason for having it, is to be able to deal with
 754 // the rather lame list implementation of the playlist.
 755 // It is meant to help manipulate the playlist with the above
 756 // methods while keeping it valid.
 757 //
 758 // PlaylistSetPlaying
 759 void
 760 VlcWrapper::PlaylistSetPlaying( int index ) const
 761 {
 762         if ( index < 0 )
 763                 index = 0;
 764         if ( index >= p_playlist->i_size )
 765                 index = p_playlist->i_size - 1;
 766         p_playlist->i_index = index;
 767 }
 768
 769
 770 /*********
 771  * audio *
 772  *********/
 773
 774 unsigned short VlcWrapper::GetVolume()
 775 {
 776     unsigned short i_volume;
 777     aout_VolumeGet( p_intf, (audio_volume_t*)&i_volume );
 778     return i_volume;
 779 }
 780
 781 void VlcWrapper::SetVolume( int value )
 782 {
 783     if ( p_intf->p_sys->b_mute )
 784     {
 785         p_intf->p_sys->b_mute = 0;
 786     }
 787     aout_VolumeSet( p_intf, value );
 788 }
 789
 790 void VlcWrapper::VolumeMute()
 791 {
 792         aout_VolumeGet( p_intf, &p_intf->p_sys->i_saved_volume );
 793     aout_VolumeMute( p_intf, NULL );
 794     p_intf->p_sys->b_mute = 1;
 795 }
 796
 797 void VlcWrapper::VolumeRestore()
 798 {
 799     aout_VolumeSet( p_intf, p_intf->p_sys->i_saved_volume );
 800     p_intf->p_sys->b_mute = 0;
 801 }
 802
 803 bool VlcWrapper::IsMuted()
 804 {
 805     return p_intf->p_sys->b_mute;
 806 }
 807
 808 /*******
 809  * DVD *
 810  *******/
 811
 812 bool VlcWrapper::HasTitles()
 813 {
 814     if( !p_input )
 815     {
 816         return false;
 817     }
 818     return ( p_input->stream.i_area_nb > 1 );
 819 }
 820
 821 BList * VlcWrapper::GetTitles()
 822 {
 823     if( p_input )
 824     {
 825         vlc_mutex_lock( &p_input->stream.stream_lock );
 826
 827         BList *list = new BList( p_input->stream.i_area_nb );
 828         BMenuItem *menuItem;
 829         BMessage *message;
 830
 831         for( unsigned int i = 1; i < p_input->stream.i_area_nb; i++ )
 832         {
 833             message = new BMessage( TOGGLE_TITLE );
 834             message->AddInt32( "index", i );
 835             BString helper( "" );
 836             helper << i;
 837             menuItem = new BMenuItem( helper.String(), message );
 838             menuItem->SetMarked( p_input->stream.p_selected_area->i_id == i );
 839             list->AddItem( menuItem );
 840         }
 841
 842         vlc_mutex_unlock( &p_input->stream.stream_lock );
 843
 844         return list;
 845     }
 846     return NULL;
 847 }
 848
 849 void VlcWrapper::PrevTitle()
 850 {
 851     int i_id;
 852     i_id = p_input->stream.p_selected_area->i_id - 1;
 853     if( i_id > 0 )
 854     {
 855         ToggleTitle(i_id);
 856     }
 857 }
 858
 859 void VlcWrapper::NextTitle()
 860 {
 861     unsigned int i_id;
 862     i_id = p_input->stream.p_selected_area->i_id + 1;
 863     if( i_id < p_input->stream.i_area_nb )
 864     {
 865         ToggleTitle(i_id);
 866     }
 867 }
 868
 869 void VlcWrapper::ToggleTitle(int i_title)
 870 {
 871     if( p_input != NULL )
 872     {
 873         input_ChangeArea( p_input,
 874                           p_input->stream.pp_areas[i_title] );
 875
 876         vlc_mutex_lock( &p_input->stream.stream_lock );
 877
 878         vlc_mutex_unlock( &p_input->stream.stream_lock );
 879     }
 880 }
 881
 882 void VlcWrapper::TitleInfo( int32 &currentIndex, int32 &maxIndex )
 883 {
 884         currentIndex = -1;
 885         maxIndex = -1;
 886         if ( p_input )
 887         {
 888                 vlc_mutex_lock( &p_input->stream.stream_lock );
 889
 890                 maxIndex = p_input->stream.i_area_nb - 1;
 891                 if ( maxIndex > 0)
 892                         currentIndex = p_input->stream.p_selected_area->i_id;
 893                 else
 894                         maxIndex = -1;
 895
 896                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 897         }
 898 }
 899
 900 bool VlcWrapper::HasChapters()
 901 {
 902     if( !p_input )
 903     {
 904         return false;
 905     }
 906     return ( p_input->stream.p_selected_area->i_part_nb > 1 );
 907 }
 908
 909 BList * VlcWrapper::GetChapters()
 910 {
 911     if( p_input )
 912     {
 913         vlc_mutex_lock( &p_input->stream.stream_lock );
 914
 915         BList *list = new BList( p_input->stream.p_selected_area->i_part_nb );
 916         BMenuItem *menuItem;
 917         BMessage *message;
 918
 919         for( unsigned int i = 1;
 920              i < p_input->stream.p_selected_area->i_part_nb + 1; i++ )
 921         {
 922             message = new BMessage( TOGGLE_CHAPTER );
 923             message->AddInt32( "index", i );
 924             BString helper( "" );
 925             helper << i;
 926             menuItem = new BMenuItem( helper.String(), message );
 927             menuItem->SetMarked( p_input->stream.p_selected_area->i_part == i );
 928             list->AddItem( menuItem );
 929         }
 930
 931         vlc_mutex_unlock( &p_input->stream.stream_lock );
 932
 933         return list;
 934     }
 935     return NULL;
 936 }
 937
 938 void VlcWrapper::PrevChapter()
 939 {
 940     int i_id;
 941     i_id = p_input->stream.p_selected_area->i_part - 1;
 942     if( i_id >= 0 )
 943     {
 944         ToggleChapter(i_id);
 945     }
 946 }
 947
 948 void VlcWrapper::NextChapter()
 949 {
 950     int i_id;
 951     i_id = p_input->stream.p_selected_area->i_part + 1;
 952     if( i_id >= 0 )
 953     {
 954         ToggleChapter(i_id);
 955     }
 956 }
 957
 958 void VlcWrapper::ToggleChapter(int i_chapter)
 959 {
 960     if( p_input != NULL )
 961     {
 962         p_input->stream.p_selected_area->i_part = i_chapter;
 963         input_ChangeArea( p_input,
 964                           p_input->stream.p_selected_area );
 965
 966         vlc_mutex_lock( &p_input->stream.stream_lock );
 967         vlc_mutex_unlock( &p_input->stream.stream_lock );
 968     }
 969 }
 970
 971 void VlcWrapper::ChapterInfo( int32 &currentIndex, int32 &maxIndex )
 972 {
 973         currentIndex = -1;
 974         maxIndex = -1;
 975         if ( p_input )
 976         {
 977                 vlc_mutex_lock( &p_input->stream.stream_lock );
 978
 979                 maxIndex = p_input->stream.p_selected_area->i_part_nb - 1;
 980                 if ( maxIndex > 0)
 981                         currentIndex = p_input->stream.p_selected_area->i_part;
 982                 else
 983                         maxIndex = -1;
 984
 985                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 986         }
 987 }
 988
 989 /****************
 990  * Miscellanous *
 991  ****************/
 992
 993 void VlcWrapper::LoadSubFile( const char * psz_file )
 994 {
 995     config_PutPsz( p_intf, "sub-file", strdup( psz_file ) );
 996 }
 997
 998 void VlcWrapper::FilterChange()
 999 {
1000     if( !p_input )
1001         return;
1002
1003     vout_thread_t * p_vout;
1004     vlc_mutex_lock( &p_input->stream.stream_lock );
1005
1006     // Warn the vout we are about to change the filter chain
1007     p_vout = (vout_thread_t*)vlc_object_find( p_intf, VLC_OBJECT_VOUT,
1008                                               FIND_ANYWHERE );
1009     if( p_vout )
1010     {
1011         p_vout->b_filter_change = VLC_TRUE;
1012         vlc_object_release( p_vout );
1013     }
1014
1015     // restart all video stream
1016     for( unsigned int i = 0; i < p_input->stream.i_es_number; i++ )
1017     {
1018         if( ( p_input->stream.pp_es[i]->i_cat == VIDEO_ES ) &&
1019             ( p_input->stream.pp_es[i]->p_decoder_fifo != NULL ) )
1020         {
1021             input_UnselectES( p_input, p_input->stream.pp_es[i] );
1022             input_SelectES( p_input, p_input->stream.pp_es[i] );
1023         }
1024     }
1025     vlc_mutex_unlock( &p_input->stream.stream_lock );
1026 }