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 1.13 2002/12/09 07:57:04 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 <SupportKit.h>
  28
  29 #include <vlc/vlc.h>
  30 #include <vlc/intf.h>
  31 #include <audio_output.h>
  32 #include <aout_internal.h>
  33
  34 #include "VlcWrapper.h"
  35
  36 /* constructor */
  37 VlcWrapper::VlcWrapper( intf_thread_t *p_interface )
  38 {
  39     p_intf = p_interface;
  40     p_input = NULL;
  41     p_aout = NULL;
  42     p_playlist = (playlist_t *)vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
  43                                                 FIND_ANYWHERE );
  44 }
  45
  46 /* destructor */
  47 VlcWrapper::~VlcWrapper()
  48 {
  49     if( p_input )
  50     {
  51         vlc_object_release( p_input );
  52     }
  53     if( p_playlist )
  54     {
  55         vlc_object_release( p_playlist );
  56     }
  57     if( p_aout )
  58     {
  59         vlc_object_release( p_aout );
  60     }
  61 }
  62
  63 /* UpdateInputAndAOut: updates p_input and p_aout, returns true if the
  64    interface needs to be updated */
  65 bool VlcWrapper::UpdateInputAndAOut()
  66 {
  67     if( p_input == NULL )
  68     {
  69         p_input = (input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT,
  70                                                      FIND_ANYWHERE );
  71     }
  72     if( p_aout == NULL )
  73     {
  74         p_aout = (aout_instance_t*)vlc_object_find( p_intf, VLC_OBJECT_AOUT,
  75                                                     FIND_ANYWHERE );
  76     }
  77
  78     if( p_input != NULL )
  79     {
  80         if( p_input->b_dead )
  81         {
  82             vlc_object_release( p_input );
  83             p_input = NULL;
  84
  85             if( p_aout )
  86             {
  87                 vlc_object_release( p_aout );
  88                 p_aout = NULL;
  89             }
  90         }
  91         return true;
  92     }
  93     return false;
  94 }
  95
  96
  97 /***************************
  98  * input infos and control *
  99  ***************************/
 100
 101 /* status (UNDEF_S, PLAYING_S, PAUSE_S, FORWARD_S, BACKWARD_S,
 102    REWIND_S, NOT_STARTED_S, START_S) */
 103 int VlcWrapper::InputStatus()
 104 {
 105     if( !p_input )
 106     {
 107         return UNDEF_S;
 108     }
 109     return p_input->stream.control.i_status;
 110 }
 111
 112 int VlcWrapper::InputRate()
 113 {
 114     if( !p_input )
 115     {
 116         return DEFAULT_RATE;
 117     }
 118     return p_input->stream.control.i_rate;
 119 }
 120
 121 /* tell: location in the current stream (in arbitrary units) */
 122 int VlcWrapper::InputTell()
 123 {
 124     if( !p_input )
 125     {
 126         return -1;
 127     }
 128     return p_input->stream.p_selected_area->i_tell;
 129 }
 130
 131 /* size: total size of the current stream (in arbitrary units) */
 132 int VlcWrapper::InputSize()
 133 {
 134     if( !p_input )
 135     {
 136         return -1;
 137     }
 138     return p_input->stream.p_selected_area->i_size;
 139 }
 140
 141 void VlcWrapper::InputSlower()
 142 {
 143     if( p_input != NULL )
 144     {
 145         input_SetStatus( p_input, INPUT_STATUS_SLOWER );
 146     }
 147     //VolumeMute();
 148 }
 149
 150 void VlcWrapper::InputFaster()
 151 {
 152     if( p_input != NULL )
 153     {
 154         input_SetStatus( p_input, INPUT_STATUS_FASTER );
 155     }
 156     //VolumeMute();
 157 }
 158
 159 void VlcWrapper::openFiles( BList* o_files, bool replace )
 160 {
 161     BString *o_file;
 162
 163     while( ( o_file = (BString *)o_files->LastItem() ) )
 164     {
 165         o_files->RemoveItem(o_files->CountItems() - 1);
 166         playlist_Add( p_playlist, o_file->String(),
 167                   PLAYLIST_APPEND | PLAYLIST_GO, PLAYLIST_END );
 168         delete o_file;
 169     }
 170 }
 171
 172 void VlcWrapper::openDisc(BString o_type, BString o_device, int i_title, int i_chapter)
 173 {
 174     BString o_source("");
 175     o_source << o_type << ":" << o_device ;
 176
 177     playlist_Add( p_playlist, o_source.String(),
 178                   PLAYLIST_APPEND | PLAYLIST_GO, PLAYLIST_END );
 179 }
 180
 181
 182
 183 void VlcWrapper::toggleLanguage(int i_language)
 184 {
 185
 186     int32 i_old = -1;
 187     int i_cat = AUDIO_ES;
 188
 189     vlc_mutex_lock( &p_input->stream.stream_lock );
 190     for( unsigned int 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         {
 194             i_old = i;
 195             break;
 196         }
 197     }
 198     vlc_mutex_unlock( &p_input->stream.stream_lock );
 199
 200     msg_Info( p_intf, "Old: %d,  New: %d", i_old, i_language);
 201     if( i_language != -1 )
 202     {
 203         input_ToggleES( p_input,
 204                         p_input->stream.pp_selected_es[i_language],
 205                         VLC_TRUE );
 206     }
 207
 208     if( (i_old != -1) && (i_old != i_language) )
 209     {
 210         input_ToggleES( p_input,
 211                         p_input->stream.pp_selected_es[i_old],
 212                         VLC_FALSE );
 213     }
 214 }
 215
 216 void VlcWrapper::toggleSubtitle(int i_subtitle)
 217 {
 218     int32 i_old = -1;
 219     int i_cat = SPU_ES;
 220
 221     vlc_mutex_lock( &p_input->stream.stream_lock );
 222     for( unsigned int i = 0; i < p_input->stream.i_selected_es_number ; i++ )
 223     {
 224         if( p_input->stream.pp_selected_es[i]->i_cat == i_cat )
 225         {
 226             i_old = i;
 227             break;
 228         }
 229     }
 230     vlc_mutex_unlock( &p_input->stream.stream_lock );
 231
 232     msg_Info( p_intf, "Old: %d,  New: %d", i_old, i_subtitle);
 233     if( i_subtitle != -1 )
 234     {
 235         input_ToggleES( p_input,
 236                         p_input->stream.pp_selected_es[i_subtitle],
 237                         VLC_TRUE );
 238     }
 239
 240     if( (i_old != -1) && (i_old != i_subtitle) )
 241     {
 242         input_ToggleES( p_input,
 243                         p_input->stream.pp_selected_es[i_old],
 244                         VLC_FALSE );
 245     }
 246 }
 247
 248 const char*  VlcWrapper::getTimeAsString()
 249 {
 250     static char psz_currenttime[ OFFSETTOTIME_MAX_SIZE ];
 251
 252     if( p_input == NULL )
 253     {
 254         return ("-:--:--");
 255     }
 256
 257     input_OffsetToTime( p_input,
 258                         psz_currenttime,
 259                         p_input->stream.p_selected_area->i_tell );
 260
 261     return(psz_currenttime);
 262 }
 263
 264 float  VlcWrapper::getTimeAsFloat()
 265 {
 266     float f_time = 0.0;
 267
 268     if( p_input != NULL )
 269     {
 270         f_time = (float)p_input->stream.p_selected_area->i_tell /
 271                  (float)p_input->stream.p_selected_area->i_size;
 272     }
 273     else
 274     {
 275         f_time = 0.0;
 276     }
 277     return( f_time );
 278 }
 279
 280 void VlcWrapper::setTimeAsFloat(float f_position)
 281 {
 282     if( p_input != NULL )
 283     {
 284         input_Seek( p_input,
 285                    (long long int)(p_input->stream.p_selected_area->i_size
 286                        * f_position / SEEKSLIDER_RANGE ),
 287                    INPUT_SEEK_SET);
 288     }
 289 }
 290
 291 bool VlcWrapper::IsPlaying()
 292 {
 293
 294         bool playing = false;
 295         if ( p_input )
 296         {
 297                 switch ( p_input->stream.control.i_status )
 298                 {
 299                         case PLAYING_S:
 300                         case FORWARD_S:
 301                         case BACKWARD_S:
 302                         case START_S:
 303                                 playing = true;
 304                     break;
 305                         case PAUSE_S:
 306                         case UNDEF_S:
 307                         case NOT_STARTED_S:
 308                         default:
 309                                 break;
 310                 }
 311         }
 312         return playing;
 313
 314 }
 315
 316 /******************************
 317  * playlist infos and control *
 318  ******************************/
 319 int VlcWrapper::PlaylistSize()
 320 {
 321     vlc_mutex_lock( &p_playlist->object_lock );
 322     int i_size = p_playlist->i_size;
 323     vlc_mutex_unlock( &p_playlist->object_lock );
 324     return i_size;
 325 }
 326
 327 char *VlcWrapper::PlaylistItemName( int i )
 328 {
 329    return p_playlist->pp_items[i]->psz_name;
 330 }
 331
 332 int VlcWrapper::PlaylistCurrent()
 333 {
 334     return p_playlist->i_index;
 335 }
 336
 337 int  VlcWrapper::PlaylistStatus()
 338 {
 339     return p_playlist->i_status;
 340 }
 341
 342 bool VlcWrapper::PlaylistPlay()
 343 {
 344     if( PlaylistSize() )
 345     {
 346         playlist_Play( p_playlist );
 347         //VolumeRestore();
 348     }
 349     return( true );
 350 }
 351
 352 void VlcWrapper::PlaylistPause()
 353 {
 354     if( p_input )
 355     {
 356         input_SetStatus( p_input, INPUT_STATUS_PAUSE );
 357     }
 358 }
 359
 360 void VlcWrapper::PlaylistStop()
 361 {
 362     playlist_Stop( p_playlist );
 363 }
 364
 365 void VlcWrapper::PlaylistNext()
 366 {
 367     playlist_Next( p_playlist );
 368 }
 369
 370 void VlcWrapper::PlaylistPrev()
 371 {
 372     playlist_Prev( p_playlist );
 373 }
 374
 375 void VlcWrapper::PlaylistSkip( int i )
 376 {
 377     playlist_Skip( p_playlist, i );
 378 }
 379
 380 void VlcWrapper::PlaylistGoto( int i )
 381 {
 382     playlist_Goto( p_playlist, i );
 383 }
 384
 385 void VlcWrapper::PlaylistLoop()
 386 {
 387     if ( p_intf->p_sys->b_loop )
 388     {
 389         playlist_Delete( p_playlist, p_playlist->i_size - 1 );
 390     }
 391     else
 392     {
 393         playlist_Add( p_playlist, "vlc:loop",
 394                       PLAYLIST_APPEND | PLAYLIST_GO,
 395                       PLAYLIST_END );
 396     }
 397     p_intf->p_sys->b_loop = !p_intf->p_sys->b_loop;
 398 }
 399
 400 BList * VlcWrapper::PlaylistAsArray()
 401 {
 402     int i;
 403     BList* p_list = new BList(p_playlist->i_size);
 404
 405     vlc_mutex_lock( &p_playlist->object_lock );
 406
 407     for( i = 0; i < p_playlist->i_size; i++ )
 408     {
 409         p_list->AddItem(new BString(p_playlist->pp_items[i]->psz_name));
 410     }
 411
 412     vlc_mutex_unlock( &p_playlist->object_lock );
 413     return( p_list );
 414 }
 415
 416 void VlcWrapper::getPlaylistInfo( int32& currentIndex, int32& maxIndex )
 417 {
 418         currentIndex = -1;
 419         maxIndex = -1;
 420         if ( p_playlist )
 421         {
 422                 maxIndex = p_playlist->i_size;
 423                 if ( maxIndex > 0 )
 424                         currentIndex = p_playlist->i_index + 1;
 425                 else
 426                         maxIndex = -1;
 427         }
 428 }
 429
 430
 431 void VlcWrapper::PlaylistJumpTo( int pos )
 432 {
 433 #if 0
 434         // sanity checks
 435         if ( pos < 0 )
 436                 pos = 0;
 437         int size = playlistSize();
 438         if (pos >= size)
 439                 pos = size - 1;
 440         // weird hack
 441     if( p_input_bank->pp_input[0] != NULL )
 442                 pos--;
 443         // stop current stream
 444         playlistStop();
 445         // modify current position in playlist
 446         playlistLock();
 447         p_main->p_playlist->i_index = pos;
 448         playlistUnlock();
 449         // start playing
 450         playlistPlay();
 451 #endif
 452 }
 453
 454 void VlcWrapper::getNavCapabilities( bool *canSkipPrev, bool *canSkipNext )
 455 {
 456         if ( canSkipPrev && canSkipNext )
 457         {
 458                 // init the parameters
 459                 *canSkipPrev = false;
 460                 *canSkipNext = false;
 461                 // get playlist info
 462                 int pos = PlaylistCurrent();
 463                 int size = PlaylistSize();
 464
 465                 // see if we have got a stream going
 466                 if ( p_input )
 467                 {
 468                         vlc_mutex_lock( &p_input->stream.stream_lock );
 469
 470                         bool hasTitles = p_input->stream.i_area_nb > 1;
 471                         int numChapters = p_input->stream.p_selected_area->i_part_nb;
 472                         bool hasChapters = numChapters > 1;
 473                         // first, look for chapters
 474                         if ( hasChapters )
 475                         {
 476                                 *canSkipPrev = p_input->stream.p_selected_area->i_part > 0;
 477                                 *canSkipNext = p_input->stream.p_selected_area->i_part <
 478                                                                          p_input->stream.p_selected_area->i_part_nb - 1;
 479                         }
 480                         // if one of the skip capabilities is false,
 481                         // make it depend on titles instead
 482                         if ( !*canSkipPrev && hasTitles )
 483                                 *canSkipPrev = p_input->stream.p_selected_area->i_id > 1;
 484                         if ( !*canSkipNext && hasTitles )
 485                                 *canSkipNext = p_input->stream.p_selected_area->i_id <
 486                                                    p_input->stream.i_area_nb - 1;
 487
 488                         vlc_mutex_unlock( &p_input->stream.stream_lock );
 489                 }
 490                 // last but not least, make capabilities depend on playlist
 491                 if ( !*canSkipPrev )
 492                         *canSkipPrev = pos > 0;
 493                 if ( !*canSkipNext )
 494                         *canSkipNext = pos < size - 1;
 495         }
 496 }
 497
 498 void VlcWrapper::navigatePrev()
 499 {
 500         bool hasSkiped = false;
 501
 502         // see if we have got a stream going
 503         if ( p_input )
 504         {
 505                 // get information from stream (lock it while looking at it)
 506                 vlc_mutex_lock( &p_input->stream.stream_lock );
 507
 508                 int currentTitle = p_input->stream.p_selected_area->i_id;
 509                 int currentChapter = p_input->stream.p_selected_area->i_part;
 510                 int numTitles = p_input->stream.i_area_nb;
 511                 bool hasTitles = numTitles > 1;
 512                 int numChapters = p_input->stream.p_selected_area->i_part_nb;
 513                 bool hasChapters = numChapters > 1;
 514
 515                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 516
 517                 // first, look for chapters
 518                 if ( hasChapters )
 519                 {
 520                         // skip to the previous chapter
 521                         currentChapter--;
 522
 523                         if ( currentChapter >= 0 )
 524                         {
 525                                 toggleChapter( currentChapter );
 526                                 hasSkiped = true;
 527                         }
 528                 }
 529                 // if we couldn't skip chapters, try titles instead
 530                 if ( !hasSkiped && hasTitles )
 531                 {
 532                         // skip to the previous title
 533                         currentTitle--;
 534                         // disallow area 0 since it is used for video_ts.vob
 535                         if( currentTitle > 0 )
 536                         {
 537                                 toggleTitle(currentTitle);
 538                                 hasSkiped = true;
 539                         }
 540                 }
 541
 542         }
 543         // last but not least, skip to previous file
 544         if ( !hasSkiped )
 545                 PlaylistPrev();
 546 }
 547
 548 void VlcWrapper::navigateNext()
 549 {
 550         bool hasSkiped = false;
 551
 552         // see if we have got a stream going
 553         if ( p_input )
 554         {
 555                 // get information from stream (lock it while looking at it)
 556                 vlc_mutex_lock( &p_input->stream.stream_lock );
 557
 558                 int currentTitle = p_input->stream.p_selected_area->i_id;
 559                 int currentChapter = p_input->stream.p_selected_area->i_part;
 560                 int numTitles = p_input->stream.i_area_nb;
 561                 bool hasTitles = numTitles > 1;
 562                 int numChapters = p_input->stream.p_selected_area->i_part_nb;
 563                 bool hasChapters = numChapters > 1;
 564
 565                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 566
 567                 // first, look for chapters
 568                 if ( hasChapters )
 569                 {
 570                         // skip to the next chapter
 571                         currentChapter++;
 572                         if ( currentChapter < numChapters )
 573                         {
 574                                 toggleChapter( currentChapter );
 575                                 hasSkiped = true;
 576                         }
 577                 }
 578                 // if we couldn't skip chapters, try titles instead
 579                 if ( !hasSkiped && hasTitles )
 580                 {
 581                         // skip to the next title
 582                         currentTitle++;
 583                         // disallow area 0 since it is used for video_ts.vob
 584                         if ( currentTitle < numTitles - 1 )
 585                         {
 586                                 toggleTitle(currentTitle);
 587                                 hasSkiped = true;
 588                         }
 589                 }
 590
 591         }
 592         // last but not least, skip to next file
 593         if ( !hasSkiped )
 594                 PlaylistNext();
 595 }
 596
 597
 598 /***************************
 599  * audio infos and control *
 600  ***************************/
 601
 602 void VlcWrapper::SetVolume(int value)
 603 {
 604     if( p_aout != NULL )
 605     {
 606                 if ( p_intf->p_sys->b_mute )
 607                 {
 608                         p_intf->p_sys->b_mute = 0;
 609                 }
 610         aout_VolumeSet( p_aout, value );
 611     }
 612 }
 613
 614 void VlcWrapper::VolumeMute()
 615 {
 616     if( p_aout != NULL )
 617         {
 618             aout_VolumeGet( p_aout, &p_intf->p_sys->i_saved_volume );
 619             aout_VolumeMute( p_aout, NULL );
 620             p_intf->p_sys->b_mute = 1;
 621         }
 622 }
 623
 624 void VlcWrapper::VolumeRestore()
 625 {
 626     if( p_aout != NULL )
 627         {
 628         aout_VolumeSet( p_aout, p_intf->p_sys->i_saved_volume );
 629         p_intf->p_sys->b_mute = 0;
 630         }
 631 }
 632
 633 bool VlcWrapper::IsMuted()
 634 {
 635     return p_intf->p_sys->b_mute;
 636 }
 637
 638 bool VlcWrapper::HasAudio()
 639 {
 640     return( p_aout != NULL );
 641 }
 642
 643 /*******
 644  * DVD *
 645  *******/
 646 bool VlcWrapper::HasTitles()
 647 {
 648     if( !p_input )
 649     {
 650         return false;
 651     }
 652     return ( p_input->stream.i_area_nb > 1 );
 653 }
 654
 655 void VlcWrapper::PrevTitle()
 656 {
 657     int i_id;
 658     i_id = p_input->stream.p_selected_area->i_id - 1;
 659     if( i_id > 0 )
 660     {
 661         toggleTitle(i_id);
 662     }
 663 }
 664
 665 void VlcWrapper::NextTitle()
 666 {
 667     unsigned int i_id;
 668     i_id = p_input->stream.p_selected_area->i_id + 1;
 669     if( i_id < p_input->stream.i_area_nb )
 670     {
 671         toggleTitle(i_id);
 672     }
 673 }
 674
 675 bool VlcWrapper::HasChapters()
 676 {
 677     if( !p_input )
 678     {
 679         return false;
 680     }
 681     return ( p_input->stream.p_selected_area->i_part_nb > 1 );
 682 }
 683
 684 void VlcWrapper::PrevChapter()
 685 {
 686     int i_id;
 687     i_id = p_input->stream.p_selected_area->i_part - 1;
 688     if( i_id >= 0 )
 689     {
 690         toggleChapter(i_id);
 691     }
 692 }
 693
 694 void VlcWrapper::NextChapter()
 695 {
 696     int i_id;
 697     i_id = p_input->stream.p_selected_area->i_part + 1;
 698     if( i_id >= 0 )
 699     {
 700         toggleChapter(i_id);
 701     }
 702 }
 703
 704 void VlcWrapper::TitleInfo( int32 &currentIndex, int32 &maxIndex )
 705 {
 706         currentIndex = -1;
 707         maxIndex = -1;
 708         if ( p_input )
 709         {
 710                 vlc_mutex_lock( &p_input->stream.stream_lock );
 711
 712                 maxIndex = p_input->stream.i_area_nb - 1;
 713                 if ( maxIndex > 0)
 714                         currentIndex = p_input->stream.p_selected_area->i_id;
 715                 else
 716                         maxIndex = -1;
 717
 718                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 719         }
 720 }
 721
 722 void VlcWrapper::ChapterInfo( int32 &currentIndex, int32 &maxIndex )
 723 {
 724         currentIndex = -1;
 725         maxIndex = -1;
 726         if ( p_input )
 727         {
 728                 vlc_mutex_lock( &p_input->stream.stream_lock );
 729
 730                 maxIndex = p_input->stream.p_selected_area->i_part_nb - 1;
 731                 if ( maxIndex > 0)
 732                         currentIndex = p_input->stream.p_selected_area->i_part;
 733                 else
 734                         maxIndex = -1;
 735
 736                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 737         }
 738 }
 739
 740 void VlcWrapper::toggleTitle(int i_title)
 741 {
 742     if( p_input != NULL )
 743     {
 744         input_ChangeArea( p_input,
 745                           p_input->stream.pp_areas[i_title] );
 746
 747         vlc_mutex_lock( &p_input->stream.stream_lock );
 748
 749         vlc_mutex_unlock( &p_input->stream.stream_lock );
 750     }
 751 }
 752
 753 void VlcWrapper::toggleChapter(int i_chapter)
 754 {
 755     if( p_input != NULL )
 756     {
 757         p_input->stream.p_selected_area->i_part = i_chapter;
 758         input_ChangeArea( p_input,
 759                           p_input->stream.p_selected_area );
 760
 761         vlc_mutex_lock( &p_input->stream.stream_lock );
 762         vlc_mutex_unlock( &p_input->stream.stream_lock );
 763     }
 764 }