git.sesse.net Git - vlc/blob - modules/access/dvdnav.c

   1 /*****************************************************************************
   2  * dvdnav.c: DVD module using the dvdnav library.
   3  *****************************************************************************
   4  * Copyright (C) 2004-2009 VLC authors and VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *
   9  * This program is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU Lesser General Public License as published by
  11  * the Free Software Foundation; either version 2.1 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17  * GNU Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public License
  20  * along with this program; if not, write to the Free Software Foundation,
  21  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * NOTA BENE: this module requires the linking against a library which is
  26  * known to require licensing under the GNU General Public License version 2
  27  * (or later). Therefore, the result of compiling this module will normally
  28  * be subject to the terms of that later license.
  29  *****************************************************************************/
  30
  31
  32 /*****************************************************************************
  33  * Preamble
  34  *****************************************************************************/
  35
  36 #ifdef HAVE_CONFIG_H
  37 # include "config.h"
  38 #endif
  39
  40 #include <assert.h>
  41 #ifdef HAVE_UNISTD_H
  42 #   include <unistd.h>
  43 #endif
  44 #include <sys/types.h>
  45 #include <sys/stat.h>
  46 #include <fcntl.h>
  47 #include <errno.h>
  48
  49 #include <vlc_common.h>
  50 #include <vlc_plugin.h>
  51 #include <vlc_input.h>
  52 #include <vlc_access.h>
  53 #include <vlc_demux.h>
  54 #include <vlc_charset.h>
  55 #include <vlc_fs.h>
  56 #include <vlc_url.h>
  57 #include <vlc_vout.h>
  58 #include <vlc_dialog.h>
  59 #include <vlc_iso_lang.h>
  60
  61 /* FIXME we should find a better way than including that */
  62 #include "../../src/text/iso-639_def.h"
  63
  64
  65 #include <dvdnav/dvdnav.h>
  66
  67 #include "../demux/ps.h"
  68
  69 /*****************************************************************************
  70  * Module descriptor
  71  *****************************************************************************/
  72 #define ANGLE_TEXT N_("DVD angle")
  73 #define ANGLE_LONGTEXT N_( \
  74      "Default DVD angle." )
  75
  76 #define MENU_TEXT N_("Start directly in menu")
  77 #define MENU_LONGTEXT N_( \
  78     "Start the DVD directly in the main menu. This "\
  79     "will try to skip all the useless warning introductions." )
  80
  81 #define LANGUAGE_DEFAULT ("en")
  82
  83 static int  Open ( vlc_object_t * );
  84 static void Close( vlc_object_t * );
  85
  86 vlc_module_begin ()
  87     set_shortname( N_("DVD with menus") )
  88     set_description( N_("DVDnav Input") )
  89     set_category( CAT_INPUT )
  90     set_subcategory( SUBCAT_INPUT_ACCESS )
  91     add_integer( "dvdnav-angle", 1, ANGLE_TEXT,
  92         ANGLE_LONGTEXT, false )
  93     add_bool( "dvdnav-menu", true,
  94         MENU_TEXT, MENU_LONGTEXT, false )
  95     set_capability( "access_demux", 5 )
  96     add_shortcut( "dvd", "dvdnav", "file" )
  97     set_callbacks( Open, Close )
  98 vlc_module_end ()
  99
 100 /* Shall we use libdvdnav's read ahead cache? */
 101 #ifdef __OS2__
 102 #define DVD_READ_CACHE 0
 103 #else
 104 #define DVD_READ_CACHE 1
 105 #endif
 106
 107 /*****************************************************************************
 108  * Local prototypes
 109  *****************************************************************************/
 110 struct demux_sys_t
 111 {
 112     dvdnav_t    *dvdnav;
 113
 114     /* */
 115     bool        b_reset_pcr;
 116
 117     struct
 118     {
 119         bool         b_created;
 120         bool         b_enabled;
 121         vlc_mutex_t  lock;
 122         vlc_timer_t  timer;
 123     } still;
 124
 125     /* track */
 126     ps_track_t  tk[PS_TK_COUNT];
 127     int         i_mux_rate;
 128
 129     /* for spu variables */
 130     input_thread_t *p_input;
 131
 132     /* event */
 133     vout_thread_t *p_vout;
 134
 135     /* palette for menus */
 136     uint32_t clut[16];
 137     uint8_t  palette[4][4];
 138     bool b_spu_change;
 139
 140     /* Aspect ration */
 141     struct {
 142         unsigned i_num;
 143         unsigned i_den;
 144     } sar;
 145
 146     /* */
 147     int           i_title;
 148     input_title_t **title;
 149
 150     /* lenght of program group chain */
 151     mtime_t     i_pgc_length;
 152     int         i_vobu_index;
 153     int         i_vobu_flush;
 154 };
 155
 156 static int Control( demux_t *, int, va_list );
 157 static int Demux( demux_t * );
 158 static int DemuxBlock( demux_t *, const uint8_t *, int );
 159 static void DemuxForceStill( demux_t * );
 160
 161 static void DemuxTitles( demux_t * );
 162 static void ESSubtitleUpdate( demux_t * );
 163 static void ButtonUpdate( demux_t *, bool );
 164
 165 static void ESNew( demux_t *, int );
 166 static int ProbeDVD( const char * );
 167
 168 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var );
 169
 170 static int ControlInternal( demux_t *, int, ... );
 171
 172 static void StillTimer( void * );
 173
 174 static int EventMouse( vlc_object_t *, char const *,
 175                        vlc_value_t, vlc_value_t, void * );
 176 static int EventIntf( vlc_object_t *, char const *,
 177                       vlc_value_t, vlc_value_t, void * );
 178
 179 /*****************************************************************************
 180  * DemuxOpen:
 181  *****************************************************************************/
 182 static int Open( vlc_object_t *p_this )
 183 {
 184     demux_t     *p_demux = (demux_t*)p_this;
 185     demux_sys_t *p_sys;
 186     dvdnav_t    *p_dvdnav;
 187     int         i_angle;
 188     char        *psz_file;
 189     char        *psz_code;
 190     bool forced = false;
 191
 192     if( p_demux->psz_access != NULL
 193      && !strncmp(p_demux->psz_access, "dvd", 3) )
 194         forced = true;
 195
 196     if( !p_demux->psz_file || !*p_demux->psz_file )
 197     {
 198         /* Only when selected */
 199         if( !forced )
 200             return VLC_EGENERIC;
 201
 202         psz_file = var_InheritString( p_this, "dvd" );
 203     }
 204     else
 205         psz_file = strdup( p_demux->psz_file );
 206
 207 #if defined( WIN32 ) || defined( __OS2__ )
 208     if( psz_file != NULL )
 209     {
 210         /* Remove trailing backslash, otherwise dvdnav_open will fail */
 211         size_t flen = strlen( psz_file );
 212         if( flen > 0 && psz_file[flen - 1] == '\\' )
 213             psz_file[flen - 1] = '\0';
 214     }
 215     else
 216         psz_file = strdup("");
 217 #endif
 218     if( unlikely(psz_file == NULL) )
 219         return VLC_EGENERIC;
 220
 221     /* Try some simple probing to avoid going through dvdnav_open too often */
 222     if( !forced && ProbeDVD( psz_file ) != VLC_SUCCESS )
 223     {
 224         free( psz_file );
 225         return VLC_EGENERIC;
 226     }
 227
 228     /* Open dvdnav */
 229     const char *psz_path = ToLocale( psz_file );
 230     if( dvdnav_open( &p_dvdnav, psz_path ) != DVDNAV_STATUS_OK )
 231         p_dvdnav = NULL;
 232     LocaleFree( psz_path );
 233     if( p_dvdnav == NULL )
 234     {
 235         msg_Warn( p_demux, "cannot open DVD (%s)", psz_file);
 236         free( psz_file );
 237         return VLC_EGENERIC;
 238     }
 239     free( psz_file );
 240
 241     /* Fill p_demux field */
 242     DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
 243     p_sys->dvdnav = p_dvdnav;
 244     p_sys->b_reset_pcr = false;
 245
 246     ps_track_init( p_sys->tk );
 247     p_sys->sar.i_num = 0;
 248     p_sys->sar.i_den = 0;
 249     p_sys->i_mux_rate = 0;
 250     p_sys->i_pgc_length = 0;
 251     p_sys->b_spu_change = false;
 252     p_sys->i_vobu_index = 0;
 253     p_sys->i_vobu_flush = 0;
 254
 255     if( 1 )
 256     {
 257         // Hack for libdvdnav CVS.
 258         // Without it dvdnav_get_number_of_titles() fails.
 259         // Remove when fixed in libdvdnav CVS.
 260         uint8_t buffer[DVD_VIDEO_LB_LEN];
 261         int i_event, i_len;
 262
 263         if( dvdnav_get_next_block( p_sys->dvdnav, buffer, &i_event, &i_len )
 264               == DVDNAV_STATUS_ERR )
 265         {
 266             msg_Warn( p_demux, "dvdnav_get_next_block failed" );
 267         }
 268
 269         dvdnav_sector_search( p_sys->dvdnav, 0, SEEK_SET );
 270     }
 271
 272     /* Configure dvdnav */
 273     if( dvdnav_set_readahead_flag( p_sys->dvdnav, DVD_READ_CACHE ) !=
 274           DVDNAV_STATUS_OK )
 275     {
 276         msg_Warn( p_demux, "cannot set read-a-head flag" );
 277     }
 278
 279     if( dvdnav_set_PGC_positioning_flag( p_sys->dvdnav, 1 ) !=
 280           DVDNAV_STATUS_OK )
 281     {
 282         msg_Warn( p_demux, "cannot set PGC positioning flag" );
 283     }
 284
 285     /* Set menu language
 286      * XXX A menu-language may be better than sub-language */
 287     psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
 288     if( dvdnav_menu_language_select( p_sys->dvdnav, psz_code ) !=
 289         DVDNAV_STATUS_OK )
 290     {
 291         msg_Warn( p_demux, "can't set menu language to '%s' (%s)",
 292                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 293         /* We try to fall back to 'en' */
 294         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 295             dvdnav_menu_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 296     }
 297     free( psz_code );
 298
 299     /* Set audio language */
 300     psz_code = DemuxGetLanguageCode( p_demux, "audio-language" );
 301     if( dvdnav_audio_language_select( p_sys->dvdnav, psz_code ) !=
 302         DVDNAV_STATUS_OK )
 303     {
 304         msg_Warn( p_demux, "can't set audio language to '%s' (%s)",
 305                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 306         /* We try to fall back to 'en' */
 307         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 308             dvdnav_audio_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 309     }
 310     free( psz_code );
 311
 312     /* Set spu language */
 313     psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
 314     if( dvdnav_spu_language_select( p_sys->dvdnav, psz_code ) !=
 315         DVDNAV_STATUS_OK )
 316     {
 317         msg_Warn( p_demux, "can't set spu language to '%s' (%s)",
 318                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 319         /* We try to fall back to 'en' */
 320         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 321             dvdnav_spu_language_select(p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 322     }
 323     free( psz_code );
 324
 325     DemuxTitles( p_demux );
 326
 327     if( var_CreateGetBool( p_demux, "dvdnav-menu" ) )
 328     {
 329         msg_Dbg( p_demux, "trying to go to dvd menu" );
 330
 331         if( dvdnav_title_play( p_sys->dvdnav, 1 ) != DVDNAV_STATUS_OK )
 332         {
 333             msg_Err( p_demux, "cannot set title (can't decrypt DVD?)" );
 334             dialog_Fatal( p_demux, _("Playback failure"), "%s",
 335                             _("VLC cannot set the DVD's title. It possibly "
 336                               "cannot decrypt the entire disc.") );
 337             dvdnav_close( p_sys->dvdnav );
 338             free( p_sys );
 339             return VLC_EGENERIC;
 340         }
 341
 342         if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title ) !=
 343             DVDNAV_STATUS_OK )
 344         {
 345             /* Try going to menu root */
 346             if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root ) !=
 347                 DVDNAV_STATUS_OK )
 348                     msg_Warn( p_demux, "cannot go to dvd menu" );
 349         }
 350     }
 351
 352     i_angle = var_CreateGetInteger( p_demux, "dvdnav-angle" );
 353     if( i_angle <= 0 ) i_angle = 1;
 354
 355     /* FIXME hack hack hack hack FIXME */
 356     /* Get p_input and create variable */
 357     p_sys->p_input = demux_GetParentInput( p_demux );
 358     var_Create( p_sys->p_input, "x-start", VLC_VAR_INTEGER );
 359     var_Create( p_sys->p_input, "y-start", VLC_VAR_INTEGER );
 360     var_Create( p_sys->p_input, "x-end", VLC_VAR_INTEGER );
 361     var_Create( p_sys->p_input, "y-end", VLC_VAR_INTEGER );
 362     var_Create( p_sys->p_input, "color", VLC_VAR_ADDRESS );
 363     var_Create( p_sys->p_input, "menu-palette", VLC_VAR_ADDRESS );
 364     var_Create( p_sys->p_input, "highlight", VLC_VAR_BOOL );
 365
 366     /* catch vout creation event */
 367     var_AddCallback( p_sys->p_input, "intf-event", EventIntf, p_demux );
 368
 369     p_sys->still.b_enabled = false;
 370     vlc_mutex_init( &p_sys->still.lock );
 371     if( !vlc_timer_create( &p_sys->still.timer, StillTimer, p_sys ) )
 372         p_sys->still.b_created = true;
 373
 374     return VLC_SUCCESS;
 375 }
 376
 377 /*****************************************************************************
 378  * Close:
 379  *****************************************************************************/
 380 static void Close( vlc_object_t *p_this )
 381 {
 382     demux_t     *p_demux = (demux_t*)p_this;
 383     demux_sys_t *p_sys = p_demux->p_sys;
 384
 385     /* Stop vout event handler */
 386     var_DelCallback( p_sys->p_input, "intf-event", EventIntf, p_demux );
 387     if( p_sys->p_vout != NULL )
 388     {   /* Should not happen, but better be safe than sorry. */
 389         msg_Warn( p_sys->p_vout, "removing dangling mouse DVD callbacks" );
 390         var_DelCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
 391         var_DelCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
 392     }
 393
 394     /* Stop still image handler */
 395     if( p_sys->still.b_created )
 396         vlc_timer_destroy( p_sys->still.timer );
 397     vlc_mutex_destroy( &p_sys->still.lock );
 398
 399     var_Destroy( p_sys->p_input, "highlight" );
 400     var_Destroy( p_sys->p_input, "x-start" );
 401     var_Destroy( p_sys->p_input, "x-end" );
 402     var_Destroy( p_sys->p_input, "y-start" );
 403     var_Destroy( p_sys->p_input, "y-end" );
 404     var_Destroy( p_sys->p_input, "color" );
 405     var_Destroy( p_sys->p_input, "menu-palette" );
 406
 407     vlc_object_release( p_sys->p_input );
 408
 409     for( int i = 0; i < PS_TK_COUNT; i++ )
 410     {
 411         ps_track_t *tk = &p_sys->tk[i];
 412         if( tk->b_seen )
 413         {
 414             es_format_Clean( &tk->fmt );
 415             if( tk->es ) es_out_Del( p_demux->out, tk->es );
 416         }
 417     }
 418
 419     /* Free the array of titles */
 420     for( int i = 0; i < p_sys->i_title; i++ )
 421         vlc_input_title_Delete( p_sys->title[i] );
 422     TAB_CLEAN( p_sys->i_title, p_sys->title );
 423
 424     dvdnav_close( p_sys->dvdnav );
 425     free( p_sys );
 426 }
 427
 428 /*****************************************************************************
 429  * Control:
 430  *****************************************************************************/
 431 static int Control( demux_t *p_demux, int i_query, va_list args )
 432 {
 433     demux_sys_t *p_sys = p_demux->p_sys;
 434     input_title_t ***ppp_title;
 435     int i;
 436
 437     switch( i_query )
 438     {
 439         case DEMUX_SET_POSITION:
 440         case DEMUX_GET_POSITION:
 441         case DEMUX_GET_TIME:
 442         case DEMUX_GET_LENGTH:
 443         {
 444             uint32_t pos, len;
 445             if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) !=
 446                   DVDNAV_STATUS_OK || len == 0 )
 447             {
 448                 return VLC_EGENERIC;
 449             }
 450
 451             switch( i_query )
 452             {
 453             case DEMUX_GET_POSITION:
 454                 *va_arg( args, double* ) = (double)pos / (double)len;
 455                 return VLC_SUCCESS;
 456
 457             case DEMUX_SET_POSITION:
 458                 pos = va_arg( args, double ) * len;
 459                 if( dvdnav_sector_search( p_sys->dvdnav, pos, SEEK_SET ) ==
 460                       DVDNAV_STATUS_OK )
 461                 {
 462                     return VLC_SUCCESS;
 463                 }
 464                 break;
 465
 466             case DEMUX_GET_TIME:
 467                 if( p_sys->i_pgc_length > 0 )
 468                 {
 469                     *va_arg( args, int64_t * ) = p_sys->i_pgc_length*pos/len;
 470                     return VLC_SUCCESS;
 471                 }
 472                 break;
 473
 474             case DEMUX_GET_LENGTH:
 475                 if( p_sys->i_pgc_length > 0 )
 476                 {
 477                     *va_arg( args, int64_t * ) = (int64_t)p_sys->i_pgc_length;
 478                     return VLC_SUCCESS;
 479                 }
 480                 break;
 481             }
 482             return VLC_EGENERIC;
 483         }
 484
 485         /* Special for access_demux */
 486         case DEMUX_CAN_PAUSE:
 487         case DEMUX_CAN_SEEK:
 488         case DEMUX_CAN_CONTROL_PACE:
 489             /* TODO */
 490             *va_arg( args, bool * ) = true;
 491             return VLC_SUCCESS;
 492
 493         case DEMUX_SET_PAUSE_STATE:
 494             return VLC_SUCCESS;
 495
 496         case DEMUX_GET_TITLE_INFO:
 497             ppp_title = va_arg( args, input_title_t*** );
 498             *va_arg( args, int* ) = p_sys->i_title;
 499             *va_arg( args, int* ) = 0; /* Title offset */
 500             *va_arg( args, int* ) = 1; /* Chapter offset */
 501
 502             /* Duplicate title infos */
 503             *ppp_title = malloc( sizeof( input_title_t ** ) * p_sys->i_title );
 504             for( i = 0; i < p_sys->i_title; i++ )
 505             {
 506                 (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->title[i] );
 507             }
 508             return VLC_SUCCESS;
 509
 510         case DEMUX_SET_TITLE:
 511             i = (int)va_arg( args, int );
 512             if( ( i == 0 && dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root )
 513                   != DVDNAV_STATUS_OK ) ||
 514                 ( i != 0 && dvdnav_title_play( p_sys->dvdnav, i )
 515                   != DVDNAV_STATUS_OK ) )
 516             {
 517                 msg_Warn( p_demux, "cannot set title/chapter" );
 518                 return VLC_EGENERIC;
 519             }
 520             p_demux->info.i_update |=
 521                 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
 522             p_demux->info.i_title = i;
 523             p_demux->info.i_seekpoint = 0;
 524             return VLC_SUCCESS;
 525
 526         case DEMUX_SET_SEEKPOINT:
 527             i = va_arg( args, int );
 528             if( p_demux->info.i_title == 0 )
 529             {
 530                 static const int argtab[] = {
 531                     DVD_MENU_Escape,
 532                     DVD_MENU_Root,
 533                     DVD_MENU_Title,
 534                     DVD_MENU_Part,
 535                     DVD_MENU_Subpicture,
 536                     DVD_MENU_Audio,
 537                     DVD_MENU_Angle
 538                 };
 539                 enum { numargs = sizeof(argtab)/sizeof(int) };
 540                 if( (unsigned)i >= numargs || DVDNAV_STATUS_OK !=
 541                            dvdnav_menu_call(p_sys->dvdnav,argtab[i]) )
 542                     return VLC_EGENERIC;
 543             }
 544             else if( dvdnav_part_play( p_sys->dvdnav, p_demux->info.i_title,
 545                                        i + 1 ) != DVDNAV_STATUS_OK )
 546             {
 547                 msg_Warn( p_demux, "cannot set title/chapter" );
 548                 return VLC_EGENERIC;
 549             }
 550             p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 551             p_demux->info.i_seekpoint = i;
 552             return VLC_SUCCESS;
 553
 554         case DEMUX_GET_PTS_DELAY:
 555             *va_arg( args, int64_t * ) =
 556                 INT64_C(1000) * var_InheritInteger( p_demux, "disc-caching" );
 557             return VLC_SUCCESS;
 558
 559         case DEMUX_GET_META:
 560         {
 561             const char *title_name = NULL;
 562
 563             dvdnav_get_title_string(p_sys->dvdnav, &title_name);
 564             if( (NULL != title_name) && ('\0' != title_name[0]) )
 565             {
 566                 vlc_meta_t *p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
 567                 vlc_meta_Set( p_meta, vlc_meta_Title, title_name );
 568                 return VLC_SUCCESS;
 569             }
 570             return VLC_EGENERIC;
 571         }
 572
 573         case DEMUX_NAV_ACTIVATE:
 574         {
 575             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
 576
 577             ButtonUpdate( p_demux, true );
 578             dvdnav_button_activate( p_sys->dvdnav, pci );
 579             break;
 580         }
 581
 582         case DEMUX_NAV_UP:
 583         {
 584             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
 585
 586             dvdnav_upper_button_select( p_sys->dvdnav, pci );
 587             break;
 588         }
 589
 590         case DEMUX_NAV_DOWN:
 591         {
 592             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
 593
 594             dvdnav_lower_button_select( p_sys->dvdnav, pci );
 595             break;
 596         }
 597
 598         case DEMUX_NAV_LEFT:
 599         {
 600             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
 601
 602             dvdnav_left_button_select( p_sys->dvdnav, pci );
 603             break;
 604         }
 605
 606         case DEMUX_NAV_RIGHT:
 607         {
 608             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
 609
 610             dvdnav_right_button_select( p_sys->dvdnav, pci );
 611             break;
 612         }
 613
 614         /* TODO implement others */
 615         default:
 616             return VLC_EGENERIC;
 617     }
 618
 619     return VLC_SUCCESS;
 620 }
 621
 622 static int ControlInternal( demux_t *p_demux, int i_query, ... )
 623 {
 624     va_list args;
 625     int     i_result;
 626
 627     va_start( args, i_query );
 628     i_result = Control( p_demux, i_query, args );
 629     va_end( args );
 630
 631     return i_result;
 632 }
 633 /*****************************************************************************
 634  * Demux:
 635  *****************************************************************************/
 636 static int Demux( demux_t *p_demux )
 637 {
 638     demux_sys_t *p_sys = p_demux->p_sys;
 639
 640     uint8_t buffer[DVD_VIDEO_LB_LEN];
 641     uint8_t *packet = buffer;
 642     int i_event;
 643     int i_len;
 644
 645 #if DVD_READ_CACHE
 646     if( dvdnav_get_next_cache_block( p_sys->dvdnav, &packet, &i_event, &i_len )
 647         == DVDNAV_STATUS_ERR )
 648 #else
 649     if( dvdnav_get_next_block( p_sys->dvdnav, packet, &i_event, &i_len )
 650         == DVDNAV_STATUS_ERR )
 651 #endif
 652     {
 653         msg_Warn( p_demux, "cannot get next block (%s)",
 654                   dvdnav_err_to_string( p_sys->dvdnav ) );
 655         if( p_demux->info.i_title == 0 )
 656         {
 657             msg_Dbg( p_demux, "jumping to first title" );
 658             return ControlInternal( p_demux, DEMUX_SET_TITLE, 1 ) == VLC_SUCCESS ? 1 : -1;
 659         }
 660         return -1;
 661     }
 662
 663     switch( i_event )
 664     {
 665     case DVDNAV_BLOCK_OK:   /* mpeg block */
 666         vlc_mutex_lock( &p_sys->still.lock );
 667         vlc_timer_schedule( p_sys->still.timer, false, 0, 0 );
 668         p_sys->still.b_enabled = false;
 669         vlc_mutex_unlock( &p_sys->still.lock );
 670         if( p_sys->b_reset_pcr )
 671         {
 672             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 673             p_sys->b_reset_pcr = false;
 674         }
 675         DemuxBlock( p_demux, packet, i_len );
 676         if( p_sys->i_vobu_index > 0 )
 677         {
 678             if( p_sys->i_vobu_flush == p_sys->i_vobu_index )
 679                 DemuxForceStill( p_demux );
 680             p_sys->i_vobu_index++;
 681         }
 682         break;
 683
 684     case DVDNAV_NOP:    /* Nothing */
 685         msg_Dbg( p_demux, "DVDNAV_NOP" );
 686         break;
 687
 688     case DVDNAV_STILL_FRAME:
 689     {
 690         dvdnav_still_event_t *event = (dvdnav_still_event_t*)packet;
 691         bool b_still_init = false;
 692
 693         vlc_mutex_lock( &p_sys->still.lock );
 694         if( !p_sys->still.b_enabled )
 695         {
 696             msg_Dbg( p_demux, "DVDNAV_STILL_FRAME" );
 697             msg_Dbg( p_demux, "     - length=0x%x", event->length );
 698             p_sys->still.b_enabled = true;
 699
 700             if( event->length != 0xff && p_sys->still.b_created )
 701             {
 702                 mtime_t delay = event->length * CLOCK_FREQ;
 703                 vlc_timer_schedule( p_sys->still.timer, false, delay, 0 );
 704             }
 705
 706             b_still_init = true;
 707         }
 708         vlc_mutex_unlock( &p_sys->still.lock );
 709
 710         if( b_still_init )
 711         {
 712             DemuxForceStill( p_demux );
 713             p_sys->b_reset_pcr = true;
 714         }
 715         msleep( 40000 );
 716         break;
 717     }
 718
 719     case DVDNAV_SPU_CLUT_CHANGE:
 720     {
 721         int i;
 722
 723         msg_Dbg( p_demux, "DVDNAV_SPU_CLUT_CHANGE" );
 724         /* Update color lookup table (16 *uint32_t in packet) */
 725         memcpy( p_sys->clut, packet, 16 * sizeof( uint32_t ) );
 726
 727         /* HACK to get the SPU tracks registered in the right order */
 728         for( i = 0; i < 0x1f; i++ )
 729         {
 730             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 731                 ESNew( p_demux, 0xbd20 + i );
 732         }
 733         /* END HACK */
 734         break;
 735     }
 736
 737     case DVDNAV_SPU_STREAM_CHANGE:
 738     {
 739         dvdnav_spu_stream_change_event_t *event =
 740             (dvdnav_spu_stream_change_event_t*)packet;
 741         int i;
 742
 743         msg_Dbg( p_demux, "DVDNAV_SPU_STREAM_CHANGE" );
 744         msg_Dbg( p_demux, "     - physical_wide=%d",
 745                  event->physical_wide );
 746         msg_Dbg( p_demux, "     - physical_letterbox=%d",
 747                  event->physical_letterbox);
 748         msg_Dbg( p_demux, "     - physical_pan_scan=%d",
 749                  event->physical_pan_scan );
 750
 751         ESSubtitleUpdate( p_demux );
 752         p_sys->b_spu_change = true;
 753
 754         /* HACK to get the SPU tracks registered in the right order */
 755         for( i = 0; i < 0x1f; i++ )
 756         {
 757             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 758                 ESNew( p_demux, 0xbd20 + i );
 759         }
 760         /* END HACK */
 761         break;
 762     }
 763
 764     case DVDNAV_AUDIO_STREAM_CHANGE:
 765     {
 766         dvdnav_audio_stream_change_event_t *event =
 767             (dvdnav_audio_stream_change_event_t*)packet;
 768         msg_Dbg( p_demux, "DVDNAV_AUDIO_STREAM_CHANGE" );
 769         msg_Dbg( p_demux, "     - physical=%d", event->physical );
 770         /* TODO */
 771         break;
 772     }
 773
 774     case DVDNAV_VTS_CHANGE:
 775     {
 776         int32_t i_title = 0;
 777         int32_t i_part  = 0;
 778         int i;
 779
 780         dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t*)packet;
 781         msg_Dbg( p_demux, "DVDNAV_VTS_CHANGE" );
 782         msg_Dbg( p_demux, "     - vtsN=%d", event->new_vtsN );
 783         msg_Dbg( p_demux, "     - domain=%d", event->new_domain );
 784
 785         /* reset PCR */
 786         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 787
 788         for( i = 0; i < PS_TK_COUNT; i++ )
 789         {
 790             ps_track_t *tk = &p_sys->tk[i];
 791             if( tk->b_seen )
 792             {
 793                 es_format_Clean( &tk->fmt );
 794                 if( tk->es ) es_out_Del( p_demux->out, tk->es );
 795             }
 796             tk->b_seen = false;
 797         }
 798
 799 #if defined(HAVE_DVDNAV_GET_VIDEO_RESOLUTION)
 800         uint32_t i_width, i_height;
 801         if( dvdnav_get_video_resolution( p_sys->dvdnav,
 802                                          &i_width, &i_height ) )
 803             i_width = i_height = 0;
 804         switch( dvdnav_get_video_aspect( p_sys->dvdnav ) )
 805         {
 806         case 0:
 807             p_sys->sar.i_num = 4 * i_height;
 808             p_sys->sar.i_den = 3 * i_width;
 809             break;
 810         case 3:
 811             p_sys->sar.i_num = 16 * i_height;
 812             p_sys->sar.i_den =  9 * i_width;
 813             break;
 814         default:
 815             p_sys->sar.i_num = 0;
 816             p_sys->sar.i_den = 0;
 817             break;
 818         }
 819 #endif
 820
 821         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 822                                        &i_part ) == DVDNAV_STATUS_OK )
 823         {
 824             if( i_title >= 0 && i_title < p_sys->i_title &&
 825                 p_demux->info.i_title != i_title )
 826             {
 827                 p_demux->info.i_update |= INPUT_UPDATE_TITLE;
 828                 p_demux->info.i_title = i_title;
 829             }
 830         }
 831         break;
 832     }
 833
 834     case DVDNAV_CELL_CHANGE:
 835     {
 836         int32_t i_title = 0;
 837         int32_t i_part  = 0;
 838
 839         dvdnav_cell_change_event_t *event =
 840             (dvdnav_cell_change_event_t*)packet;
 841         msg_Dbg( p_demux, "DVDNAV_CELL_CHANGE" );
 842         msg_Dbg( p_demux, "     - cellN=%d", event->cellN );
 843         msg_Dbg( p_demux, "     - pgN=%d", event->pgN );
 844         msg_Dbg( p_demux, "     - cell_length=%"PRId64, event->cell_length );
 845         msg_Dbg( p_demux, "     - pg_length=%"PRId64, event->pg_length );
 846         msg_Dbg( p_demux, "     - pgc_length=%"PRId64, event->pgc_length );
 847         msg_Dbg( p_demux, "     - cell_start=%"PRId64, event->cell_start );
 848         msg_Dbg( p_demux, "     - pg_start=%"PRId64, event->pg_start );
 849
 850         /* Store the lenght in time of the current PGC */
 851         p_sys->i_pgc_length = event->pgc_length / 90 * 1000;
 852         p_sys->i_vobu_index = 0;
 853         p_sys->i_vobu_flush = 0;
 854
 855         /* FIXME is it correct or there is better way to know chapter change */
 856         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 857                                        &i_part ) == DVDNAV_STATUS_OK )
 858         {
 859             if( i_title >= 0 && i_title < p_sys->i_title )
 860             {
 861                 p_demux->info.i_update |= INPUT_UPDATE_TITLE;
 862                 p_demux->info.i_title = i_title;
 863
 864                 if( i_part >= 1 && i_part <= p_sys->title[i_title]->i_seekpoint &&
 865                         p_demux->info.i_seekpoint != i_part - 1 )
 866                 {
 867                     p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 868                     p_demux->info.i_seekpoint = i_part - 1;
 869                 }
 870             }
 871         }
 872         break;
 873     }
 874
 875     case DVDNAV_NAV_PACKET:
 876     {
 877         p_sys->i_vobu_index = 1;
 878         p_sys->i_vobu_flush = 0;
 879
 880         /* Look if we have need to force a flush (and when) */
 881         const pci_gi_t *p_pci_gi = &dvdnav_get_current_nav_pci( p_sys->dvdnav )->pci_gi;
 882         if( p_pci_gi->vobu_se_e_ptm != 0 && p_pci_gi->vobu_se_e_ptm < p_pci_gi->vobu_e_ptm )
 883         {
 884             const dsi_gi_t *p_dsi_gi = &dvdnav_get_current_nav_dsi( p_sys->dvdnav )->dsi_gi;
 885             if( p_dsi_gi->vobu_3rdref_ea != 0 )
 886                 p_sys->i_vobu_flush = p_dsi_gi->vobu_3rdref_ea;
 887             else if( p_dsi_gi->vobu_2ndref_ea != 0 )
 888                 p_sys->i_vobu_flush = p_dsi_gi->vobu_2ndref_ea;
 889             else if( p_dsi_gi->vobu_1stref_ea != 0 )
 890                 p_sys->i_vobu_flush = p_dsi_gi->vobu_1stref_ea;
 891         }
 892
 893 #ifdef DVDNAV_DEBUG
 894         msg_Dbg( p_demux, "DVDNAV_NAV_PACKET" );
 895 #endif
 896         /* A lot of thing to do here :
 897          *  - handle packet
 898          *  - fetch pts (for time display)
 899          *  - ...
 900          */
 901         DemuxBlock( p_demux, packet, i_len );
 902         if( p_sys->b_spu_change )
 903         {
 904             ButtonUpdate( p_demux, false );
 905             p_sys->b_spu_change = false;
 906         }
 907         break;
 908     }
 909
 910     case DVDNAV_STOP:   /* EOF */
 911         msg_Dbg( p_demux, "DVDNAV_STOP" );
 912
 913 #if DVD_READ_CACHE
 914         dvdnav_free_cache_block( p_sys->dvdnav, packet );
 915 #endif
 916         return 0;
 917
 918     case DVDNAV_HIGHLIGHT:
 919     {
 920         dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t*)packet;
 921         msg_Dbg( p_demux, "DVDNAV_HIGHLIGHT" );
 922         msg_Dbg( p_demux, "     - display=%d", event->display );
 923         msg_Dbg( p_demux, "     - buttonN=%d", event->buttonN );
 924         ButtonUpdate( p_demux, false );
 925         break;
 926     }
 927
 928     case DVDNAV_HOP_CHANNEL:
 929         msg_Dbg( p_demux, "DVDNAV_HOP_CHANNEL" );
 930         p_sys->i_vobu_index = 0;
 931         p_sys->i_vobu_flush = 0;
 932         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 933         break;
 934
 935     case DVDNAV_WAIT:
 936         msg_Dbg( p_demux, "DVDNAV_WAIT" );
 937
 938         bool b_empty;
 939         es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
 940         if( !b_empty )
 941         {
 942             msleep( 40*1000 );
 943         }
 944         else
 945         {
 946             dvdnav_wait_skip( p_sys->dvdnav );
 947             p_sys->b_reset_pcr = true;
 948         }
 949         break;
 950
 951     default:
 952         msg_Warn( p_demux, "Unknown event (0x%x)", i_event );
 953         break;
 954     }
 955
 956 #if DVD_READ_CACHE
 957     dvdnav_free_cache_block( p_sys->dvdnav, packet );
 958 #endif
 959
 960     return 1;
 961 }
 962
 963 /* Get a 2 char code
 964  * FIXME: partiallyy duplicated from src/input/es_out.c
 965  */
 966 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var )
 967 {
 968     const iso639_lang_t *pl;
 969     char *psz_lang;
 970     char *p;
 971
 972     psz_lang = var_CreateGetString( p_demux, psz_var );
 973     if( !psz_lang )
 974         return strdup(LANGUAGE_DEFAULT);
 975
 976     /* XXX: we will use only the first value
 977      * (and ignore other ones in case of a list) */
 978     if( ( p = strchr( psz_lang, ',' ) ) )
 979         *p = '\0';
 980
 981     for( pl = p_languages; pl->psz_eng_name != NULL; pl++ )
 982     {
 983         if( *psz_lang == '\0' )
 984             continue;
 985         if( !strcasecmp( pl->psz_eng_name, psz_lang ) ||
 986             !strcasecmp( pl->psz_iso639_1, psz_lang ) ||
 987             !strcasecmp( pl->psz_iso639_2T, psz_lang ) ||
 988             !strcasecmp( pl->psz_iso639_2B, psz_lang ) )
 989             break;
 990     }
 991
 992     free( psz_lang );
 993
 994     if( pl->psz_eng_name != NULL )
 995         return strdup( pl->psz_iso639_1 );
 996
 997     return strdup(LANGUAGE_DEFAULT);
 998 }
 999
1000 static void DemuxTitles( demux_t *p_demux )
1001 {
1002     demux_sys_t *p_sys = p_demux->p_sys;
1003     input_title_t *t;
1004     seekpoint_t *s;
1005     int32_t i_titles;
1006     int i;
1007
1008     /* Menu */
1009     t = vlc_input_title_New();
1010     t->b_menu = true;
1011     t->psz_name = strdup( "DVD Menu" );
1012
1013     s = vlc_seekpoint_New();
1014     s->psz_name = strdup( "Resume" );
1015     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1016
1017     s = vlc_seekpoint_New();
1018     s->psz_name = strdup( "Root" );
1019     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1020
1021     s = vlc_seekpoint_New();
1022     s->psz_name = strdup( "Title" );
1023     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1024
1025     s = vlc_seekpoint_New();
1026     s->psz_name = strdup( "Chapter" );
1027     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1028
1029     s = vlc_seekpoint_New();
1030     s->psz_name = strdup( "Subtitle" );
1031     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1032
1033     s = vlc_seekpoint_New();
1034     s->psz_name = strdup( "Audio" );
1035     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1036
1037     s = vlc_seekpoint_New();
1038     s->psz_name = strdup( "Angle" );
1039     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1040
1041     TAB_APPEND( p_sys->i_title, p_sys->title, t );
1042
1043     /* Find out number of titles/chapters */
1044     dvdnav_get_number_of_titles( p_sys->dvdnav, &i_titles );
1045     for( i = 1; i <= i_titles; i++ )
1046     {
1047         int32_t i_chapters;
1048         uint64_t i_title_length;
1049         uint64_t *p_chapters_time;
1050
1051 #if defined(HAVE_DVDNAV_DESCRIBE_TITLE_CHAPTERS)
1052         i_chapters = dvdnav_describe_title_chapters( p_sys->dvdnav, i,
1053                                                      &p_chapters_time,
1054                                                      &i_title_length );
1055         if( i_chapters < 1 )
1056         {
1057             i_title_length = 0;
1058             p_chapters_time = NULL;
1059         }
1060 #else
1061         if( dvdnav_get_number_of_parts( p_sys->dvdnav, i, &i_chapters ) != DVDNAV_STATUS_OK )
1062             i_chapters = 0;
1063         i_title_length = 0;
1064         p_chapters_time = NULL;
1065 #endif
1066         t = vlc_input_title_New();
1067         t->i_length = i_title_length * 1000 / 90;
1068         for( int j = 0; j < __MAX( i_chapters, 1 ); j++ )
1069         {
1070             s = vlc_seekpoint_New();
1071             if( p_chapters_time )
1072                 s->i_time_offset = p_chapters_time[j] * 1000 / 90;
1073             TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1074         }
1075         free( p_chapters_time );
1076         TAB_APPEND( p_sys->i_title, p_sys->title, t );
1077     }
1078 }
1079
1080 /*****************************************************************************
1081  * Update functions:
1082  *****************************************************************************/
1083 static void ButtonUpdate( demux_t *p_demux, bool b_mode )
1084 {
1085     demux_sys_t *p_sys = p_demux->p_sys;
1086     int32_t i_title, i_part;
1087
1088     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1089
1090     dvdnav_highlight_area_t hl;
1091     int32_t i_button;
1092     bool    b_button_ok;
1093
1094     if( dvdnav_get_current_highlight( p_sys->dvdnav, &i_button )
1095         != DVDNAV_STATUS_OK )
1096     {
1097         msg_Err( p_demux, "dvdnav_get_current_highlight failed" );
1098         return;
1099     }
1100
1101     b_button_ok = false;
1102     if( i_button > 0 && i_title ==  0 )
1103     {
1104         pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1105
1106         b_button_ok = DVDNAV_STATUS_OK ==
1107                   dvdnav_get_highlight_area( pci, i_button, b_mode, &hl );
1108     }
1109
1110     if( b_button_ok )
1111     {
1112         for( unsigned i = 0; i < 4; i++ )
1113         {
1114             uint32_t i_yuv = p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
1115             uint8_t i_alpha = ( (hl.palette>>(i*4))&0x0f ) * 0xff / 0xf;
1116
1117             p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
1118             p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
1119             p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
1120             p_sys->palette[i][3] = i_alpha;
1121         }
1122
1123         vlc_global_lock( VLC_HIGHLIGHT_MUTEX );
1124         var_SetInteger( p_sys->p_input, "x-start", hl.sx );
1125         var_SetInteger( p_sys->p_input, "x-end",  hl.ex );
1126         var_SetInteger( p_sys->p_input, "y-start", hl.sy );
1127         var_SetInteger( p_sys->p_input, "y-end", hl.ey );
1128
1129         var_SetAddress( p_sys->p_input, "menu-palette", p_sys->palette );
1130         var_SetBool( p_sys->p_input, "highlight", true );
1131
1132         msg_Dbg( p_demux, "buttonUpdate %d", i_button );
1133     }
1134     else
1135     {
1136         msg_Dbg( p_demux, "buttonUpdate not done b=%d t=%d",
1137                  i_button, i_title );
1138
1139         /* Show all */
1140         vlc_global_lock( VLC_HIGHLIGHT_MUTEX );
1141         var_SetBool( p_sys->p_input, "highlight", false );
1142     }
1143     vlc_global_unlock( VLC_HIGHLIGHT_MUTEX );
1144 }
1145
1146 static void ESSubtitleUpdate( demux_t *p_demux )
1147 {
1148     demux_sys_t *p_sys = p_demux->p_sys;
1149     int         i_spu = dvdnav_get_active_spu_stream( p_sys->dvdnav );
1150     int32_t i_title, i_part;
1151
1152     ButtonUpdate( p_demux, false );
1153
1154     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1155     if( i_title > 0 ) return;
1156
1157     if( i_spu >= 0 && i_spu <= 0x1f )
1158     {
1159         ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1160
1161         ESNew( p_demux, 0xbd20 + i_spu );
1162
1163         /* be sure to unselect it (reset) */
1164         es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1165                         (bool)false );
1166
1167         /* now select it */
1168         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1169     }
1170     else
1171     {
1172         for( i_spu = 0; i_spu <= 0x1F; i_spu++ )
1173         {
1174             ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1175             if( tk->b_seen )
1176             {
1177                 es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1178                                 (bool)false );
1179             }
1180         }
1181     }
1182 }
1183
1184 /*****************************************************************************
1185  * DemuxBlock: demux a given block
1186  *****************************************************************************/
1187 static int DemuxBlock( demux_t *p_demux, const uint8_t *p, int len )
1188 {
1189     demux_sys_t *p_sys = p_demux->p_sys;
1190
1191     while( len > 0 )
1192     {
1193         int i_size = ps_pkt_size( p, len );
1194         if( i_size <= 0 || i_size > len )
1195         {
1196             break;
1197         }
1198
1199         /* Create a block */
1200         block_t *p_pkt = block_Alloc( i_size );
1201         memcpy( p_pkt->p_buffer, p, i_size);
1202
1203         /* Parse it and send it */
1204         switch( 0x100 | p[3] )
1205         {
1206         case 0x1b9:
1207         case 0x1bb:
1208         case 0x1bc:
1209 #ifdef DVDNAV_DEBUG
1210             if( p[3] == 0xbc )
1211             {
1212                 msg_Warn( p_demux, "received a PSM packet" );
1213             }
1214             else if( p[3] == 0xbb )
1215             {
1216                 msg_Warn( p_demux, "received a SYSTEM packet" );
1217             }
1218 #endif
1219             block_Release( p_pkt );
1220             break;
1221
1222         case 0x1ba:
1223         {
1224             int64_t i_scr;
1225             int i_mux_rate;
1226             if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
1227             {
1228                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr + 1 );
1229                 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
1230             }
1231             block_Release( p_pkt );
1232             break;
1233         }
1234         default:
1235         {
1236             int i_id = ps_pkt_id( p_pkt );
1237             if( i_id >= 0xc0 )
1238             {
1239                 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1240
1241                 if( !tk->b_seen )
1242                 {
1243                     ESNew( p_demux, i_id );
1244                 }
1245                 if( tk->b_seen && tk->es &&
1246                     !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
1247                 {
1248                     es_out_Send( p_demux->out, tk->es, p_pkt );
1249                 }
1250                 else
1251                 {
1252                     block_Release( p_pkt );
1253                 }
1254             }
1255             else
1256             {
1257                 block_Release( p_pkt );
1258             }
1259             break;
1260         }
1261         }
1262
1263         p += i_size;
1264         len -= i_size;
1265     }
1266
1267     return VLC_SUCCESS;
1268 }
1269
1270 /*****************************************************************************
1271  * Force still images to be displayed by sending EOS and stopping buffering.
1272  *****************************************************************************/
1273 static void DemuxForceStill( demux_t *p_demux )
1274 {
1275     static const uint8_t buffer[] = {
1276         0x00, 0x00, 0x01, 0xe0, 0x00, 0x07,
1277         0x80, 0x00, 0x00,
1278         0x00, 0x00, 0x01, 0xB7,
1279     };
1280     DemuxBlock( p_demux, buffer, sizeof(buffer) );
1281
1282     bool b_empty;
1283     es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
1284 }
1285
1286 /*****************************************************************************
1287  * ESNew: register a new elementary stream
1288  *****************************************************************************/
1289 static void ESNew( demux_t *p_demux, int i_id )
1290 {
1291     demux_sys_t *p_sys = p_demux->p_sys;
1292     ps_track_t  *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1293     bool  b_select = false;
1294
1295     if( tk->b_seen ) return;
1296
1297     if( ps_track_fill( tk, 0, i_id ) )
1298     {
1299         msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
1300         return;
1301     }
1302
1303     /* Add a new ES */
1304     if( tk->fmt.i_cat == VIDEO_ES )
1305     {
1306         tk->fmt.video.i_sar_num = p_sys->sar.i_num;
1307         tk->fmt.video.i_sar_den = p_sys->sar.i_den;
1308         b_select = true;
1309     }
1310     else if( tk->fmt.i_cat == AUDIO_ES )
1311     {
1312         int i_audio = -1;
1313         /* find the audio number PLEASE find another way */
1314         if( (i_id&0xbdf8) == 0xbd88 )       /* dts */
1315         {
1316             i_audio = i_id&0x07;
1317         }
1318         else if( (i_id&0xbdf0) == 0xbd80 )  /* a52 */
1319         {
1320             i_audio = i_id&0xf;
1321         }
1322         else if( (i_id&0xbdf0) == 0xbda0 )  /* lpcm */
1323         {
1324             i_audio = i_id&0x1f;
1325         }
1326         else if( ( i_id&0xe0 ) == 0xc0 )    /* mpga */
1327         {
1328             i_audio = i_id&0x1f;
1329         }
1330         if( i_audio >= 0 )
1331         {
1332             int i_lang = dvdnav_audio_stream_to_lang( p_sys->dvdnav, i_audio );
1333             if( i_lang != 0xffff )
1334             {
1335                 tk->fmt.psz_language = malloc( 3 );
1336                 tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1337                 tk->fmt.psz_language[1] = (i_lang     )&0xff;
1338                 tk->fmt.psz_language[2] = 0;
1339             }
1340             if( dvdnav_get_active_audio_stream( p_sys->dvdnav ) == i_audio )
1341             {
1342                 b_select = true;
1343             }
1344         }
1345     }
1346     else if( tk->fmt.i_cat == SPU_ES )
1347     {
1348         int32_t i_title, i_part;
1349         int i_lang = dvdnav_spu_stream_to_lang( p_sys->dvdnav, i_id&0x1f );
1350         if( i_lang != 0xffff )
1351         {
1352             tk->fmt.psz_language = malloc( 3 );
1353             tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1354             tk->fmt.psz_language[1] = (i_lang     )&0xff;
1355             tk->fmt.psz_language[2] = 0;
1356         }
1357
1358         /* Palette */
1359         tk->fmt.subs.spu.palette[0] = 0xBeef;
1360         memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
1361                 16 * sizeof( uint32_t ) );
1362
1363         /* We select only when we are not in the menu */
1364         dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1365         if( i_title > 0 &&
1366             dvdnav_get_active_spu_stream( p_sys->dvdnav ) == (i_id&0x1f) )
1367         {
1368             b_select = true;
1369         }
1370     }
1371
1372     tk->es = es_out_Add( p_demux->out, &tk->fmt );
1373     if( b_select )
1374     {
1375         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1376     }
1377     tk->b_seen = true;
1378
1379     if( tk->fmt.i_cat == VIDEO_ES ) ButtonUpdate( p_demux, false );
1380 }
1381
1382 /*****************************************************************************
1383  * Still image end
1384  *****************************************************************************/
1385 static void StillTimer( void *p_data )
1386 {
1387     demux_sys_t    *p_sys = p_data;
1388
1389     vlc_mutex_lock( &p_sys->still.lock );
1390     if( likely(p_sys->still.b_enabled) )
1391     {
1392         p_sys->still.b_enabled = false;
1393         dvdnav_still_skip( p_sys->dvdnav );
1394     }
1395     vlc_mutex_unlock( &p_sys->still.lock );
1396 }
1397
1398 static int EventMouse( vlc_object_t *p_vout, char const *psz_var,
1399                        vlc_value_t oldval, vlc_value_t val, void *p_data )
1400 {
1401     demux_t *p_demux = p_data;
1402     demux_sys_t *p_sys = p_demux->p_sys;
1403
1404     /* FIXME? PCI usage thread safe? */
1405     pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1406     int x = val.coords.x;
1407     int y = val.coords.y;
1408
1409     if( psz_var[6] == 'm' ) /* mouse-moved */
1410         dvdnav_mouse_select( p_sys->dvdnav, pci, x, y );
1411     else
1412     {
1413         assert( psz_var[6] == 'c' ); /* mouse-clicked */
1414
1415         ButtonUpdate( p_demux, true );
1416         dvdnav_mouse_activate( p_sys->dvdnav, pci, x, y );
1417     }
1418     (void)p_vout;
1419     (void)oldval;
1420     return VLC_SUCCESS;
1421 }
1422
1423 static int EventIntf( vlc_object_t *p_input, char const *psz_var,
1424                       vlc_value_t oldval, vlc_value_t val, void *p_data )
1425 {
1426     demux_t *p_demux = p_data;
1427     demux_sys_t *p_sys = p_demux->p_sys;
1428
1429     if (val.i_int == INPUT_EVENT_VOUT)
1430     {
1431         if( p_sys->p_vout != NULL )
1432         {
1433             var_DelCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
1434             var_DelCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
1435             vlc_object_release( p_sys->p_vout );
1436         }
1437
1438         p_sys->p_vout = input_GetVout( (input_thread_t *)p_input );
1439         if( p_sys->p_vout != NULL )
1440         {
1441             var_AddCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
1442             var_AddCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
1443         }
1444     }
1445     (void) psz_var; (void) oldval;
1446     return VLC_SUCCESS;
1447 }
1448
1449 /*****************************************************************************
1450  * ProbeDVD: very weak probing that avoids going too often into a dvdnav_open()
1451  *****************************************************************************/
1452 static int ProbeDVD( const char *psz_name )
1453 {
1454     if( !*psz_name )
1455         /* Triggers libdvdcss autodetection */
1456         return VLC_SUCCESS;
1457
1458     int fd = vlc_open( psz_name, O_RDONLY | O_NONBLOCK );
1459     if( fd == -1 )
1460 #ifdef HAVE_FDOPENDIR
1461         return VLC_EGENERIC;
1462 #else
1463         return (errno == ENOENT) ? VLC_EGENERIC : VLC_SUCCESS;
1464 #endif
1465
1466     int ret = VLC_EGENERIC;
1467     struct stat stat_info;
1468
1469     if( fstat( fd, &stat_info ) == -1 )
1470          goto bailout;
1471     if( !S_ISREG( stat_info.st_mode ) )
1472     {
1473         if( S_ISDIR( stat_info.st_mode ) || S_ISBLK( stat_info.st_mode ) )
1474             ret = VLC_SUCCESS; /* Let dvdnav_open() do the probing */
1475         goto bailout;
1476     }
1477
1478     /* ISO 9660 volume descriptor */
1479     char iso_dsc[6];
1480     if( lseek( fd, 0x8000 + 1, SEEK_SET ) == -1
1481      || read( fd, iso_dsc, sizeof (iso_dsc) ) < sizeof (iso_dsc)
1482      || memcmp( iso_dsc, "CD001\x01", 6 ) )
1483         goto bailout;
1484
1485     /* Try to find the anchor (2 bytes at LBA 256) */
1486     uint16_t anchor;
1487
1488     if( lseek( fd, 256 * DVD_VIDEO_LB_LEN, SEEK_SET ) != -1
1489      && read( fd, &anchor, 2 ) == 2
1490      && GetWLE( &anchor ) == 2 )
1491         ret = VLC_SUCCESS; /* Found a potential anchor */
1492 bailout:
1493     close( fd );
1494     return ret;
1495 }