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 the VideoLAN team
   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
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 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 General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27
  28 #ifdef HAVE_CONFIG_H
  29 # include "config.h"
  30 #endif
  31
  32 #include <vlc_common.h>
  33 #include <vlc_plugin.h>
  34 #include <vlc_input.h>
  35 #include <vlc_access.h>
  36 #include <vlc_demux.h>
  37 #include <vlc_charset.h>
  38
  39 #include <vlc_dialog.h>
  40
  41 #ifdef HAVE_UNISTD_H
  42 #   include <unistd.h>
  43 #endif
  44 #ifdef HAVE_SYS_TYPES_H
  45 #   include <sys/types.h>
  46 #endif
  47 #ifdef HAVE_SYS_STAT_H
  48 #   include <sys/stat.h>
  49 #endif
  50 #ifdef HAVE_FCNTL_H
  51 #   include <fcntl.h>
  52 #endif
  53
  54 #include "vlc_keys.h"
  55 #include "vlc_iso_lang.h"
  56
  57 /* FIXME we should find a better way than including that */
  58 #include "../../src/text/iso-639_def.h"
  59
  60
  61 #include <dvdnav/dvdnav.h>
  62
  63 #include "../demux/ps.h"
  64
  65 /*****************************************************************************
  66  * Module descriptor
  67  *****************************************************************************/
  68 #define ANGLE_TEXT N_("DVD angle")
  69 #define ANGLE_LONGTEXT N_( \
  70      "Default DVD angle." )
  71
  72 #define CACHING_TEXT N_("Caching value in ms")
  73 #define CACHING_LONGTEXT N_( \
  74     "Caching value for DVDs. This "\
  75     "value should be set in milliseconds." )
  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, NULL, ANGLE_TEXT,
  92         ANGLE_LONGTEXT, false )
  93     add_integer( "dvdnav-caching", DEFAULT_PTS_DELAY / 1000, NULL,
  94         CACHING_TEXT, CACHING_LONGTEXT, true )
  95     add_bool( "dvdnav-menu", true, NULL,
  96         MENU_TEXT, MENU_LONGTEXT, false )
  97     set_capability( "access_demux", 5 )
  98     add_shortcut( "dvd" )
  99     add_shortcut( "dvdnav" )
 100     add_shortcut( "file" )
 101     set_callbacks( Open, Close )
 102 vlc_module_end ()
 103
 104 /* Shall we use libdvdnav's read ahead cache? */
 105 #define DVD_READ_CACHE 1
 106
 107 /*****************************************************************************
 108  * Local prototypes
 109  *****************************************************************************/
 110 typedef struct
 111 {
 112     VLC_COMMON_MEMBERS
 113
 114     demux_t        *p_demux;
 115     vlc_mutex_t     lock;
 116
 117     bool      b_moved;
 118     bool      b_clicked;
 119     int             i_key_action;
 120
 121     bool      b_still;
 122     int64_t         i_still_end;
 123
 124 } event_thread_t;
 125
 126 static void* EventThread( vlc_object_t * );
 127
 128 struct demux_sys_t
 129 {
 130     dvdnav_t    *dvdnav;
 131
 132     /* */
 133     bool        b_reset_pcr;
 134
 135     /* track */
 136     ps_track_t  tk[PS_TK_COUNT];
 137     int         i_mux_rate;
 138
 139     /* for spu variables */
 140     input_thread_t *p_input;
 141
 142     /* event */
 143     event_thread_t *p_ev;
 144
 145     /* palette for menus */
 146     uint32_t clut[16];
 147     uint8_t  palette[4][4];
 148     bool b_spu_change;
 149
 150     /* */
 151     int i_aspect;
 152
 153     int           i_title;
 154     input_title_t **title;
 155
 156     /* lenght of program group chain */
 157     mtime_t     i_pgc_length;
 158 };
 159
 160 static int Control( demux_t *, int, va_list );
 161 static int Demux( demux_t * );
 162 static int DemuxBlock( demux_t *, const uint8_t *, int );
 163
 164 static void DemuxTitles( demux_t * );
 165 static void ESSubtitleUpdate( demux_t * );
 166 static void ButtonUpdate( demux_t *, bool );
 167
 168 static void ESNew( demux_t *, int );
 169 static int ProbeDVD( demux_t *, char * );
 170
 171 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var );
 172
 173 static int ControlInternal( demux_t *, int, ... );
 174
 175 static int EventKey( vlc_object_t *, char const *,
 176                      vlc_value_t, vlc_value_t, void * );
 177
 178 /*****************************************************************************
 179  * DemuxOpen:
 180  *****************************************************************************/
 181 static int Open( vlc_object_t *p_this )
 182 {
 183     demux_t     *p_demux = (demux_t*)p_this;
 184     demux_sys_t *p_sys;
 185     dvdnav_t    *p_dvdnav;
 186     int         i_angle;
 187     char        *psz_name;
 188     char        *psz_code;
 189     vlc_value_t val;
 190
 191     if( !p_demux->psz_path || !*p_demux->psz_path )
 192     {
 193         /* Only when selected */
 194         if( !p_this->b_force ) return VLC_EGENERIC;
 195
 196         psz_name = var_CreateGetString( p_this, "dvd" );
 197         if( !psz_name )
 198         {
 199             psz_name = strdup("");
 200         }
 201     }
 202     else
 203         psz_name = ToLocaleDup( p_demux->psz_path );
 204
 205 #ifdef WIN32
 206     if( psz_name[0] && psz_name[1] == ':' &&
 207         psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
 208 #endif
 209
 210     /* Try some simple probing to avoid going through dvdnav_open too often */
 211     if( ProbeDVD( p_demux, psz_name ) != VLC_SUCCESS )
 212     {
 213         free( psz_name );
 214         return VLC_EGENERIC;
 215     }
 216
 217     /* Open dvdnav */
 218     if( dvdnav_open( &p_dvdnav, psz_name ) != DVDNAV_STATUS_OK )
 219     {
 220         msg_Warn( p_demux, "cannot open dvdnav" );
 221         free( psz_name );
 222         return VLC_EGENERIC;
 223     }
 224     free( psz_name );
 225
 226     /* Fill p_demux field */
 227     DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
 228     p_sys->dvdnav = p_dvdnav;
 229     p_sys->b_reset_pcr = false;
 230
 231     ps_track_init( p_sys->tk );
 232     p_sys->i_aspect = -1;
 233     p_sys->i_mux_rate = 0;
 234     p_sys->i_pgc_length = 0;
 235     p_sys->b_spu_change = false;
 236
 237     if( 1 )
 238     {
 239         // Hack for libdvdnav CVS.
 240         // Without it dvdnav_get_number_of_titles() fails.
 241         // Remove when fixed in libdvdnav CVS.
 242         uint8_t buffer[DVD_VIDEO_LB_LEN];
 243         int i_event, i_len;
 244
 245         if( dvdnav_get_next_block( p_sys->dvdnav, buffer, &i_event, &i_len )
 246               == DVDNAV_STATUS_ERR )
 247         {
 248             msg_Warn( p_demux, "dvdnav_get_next_block failed" );
 249         }
 250
 251         dvdnav_sector_search( p_sys->dvdnav, 0, SEEK_SET );
 252     }
 253
 254     /* Configure dvdnav */
 255     if( dvdnav_set_readahead_flag( p_sys->dvdnav, DVD_READ_CACHE ) !=
 256           DVDNAV_STATUS_OK )
 257     {
 258         msg_Warn( p_demux, "cannot set read-a-head flag" );
 259     }
 260
 261     if( dvdnav_set_PGC_positioning_flag( p_sys->dvdnav, 1 ) !=
 262           DVDNAV_STATUS_OK )
 263     {
 264         msg_Warn( p_demux, "cannot set PGC positioning flag" );
 265     }
 266
 267     /* Set menu language
 268      * XXX A menu-language may be better than sub-language */
 269     psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
 270     if( dvdnav_menu_language_select( p_sys->dvdnav, psz_code ) !=
 271         DVDNAV_STATUS_OK )
 272     {
 273         msg_Warn( p_demux, "can't set menu language to '%s' (%s)",
 274                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 275         /* We try to fall back to 'en' */
 276         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 277             dvdnav_menu_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 278     }
 279     free( psz_code );
 280
 281     /* Set audio language */
 282     psz_code = DemuxGetLanguageCode( p_demux, "audio-language" );
 283     if( dvdnav_audio_language_select( p_sys->dvdnav, psz_code ) !=
 284         DVDNAV_STATUS_OK )
 285     {
 286         msg_Warn( p_demux, "can't set audio language to '%s' (%s)",
 287                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 288         /* We try to fall back to 'en' */
 289         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 290             dvdnav_audio_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 291     }
 292     free( psz_code );
 293
 294     /* Set spu language */
 295     psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
 296     if( dvdnav_spu_language_select( p_sys->dvdnav, psz_code ) !=
 297         DVDNAV_STATUS_OK )
 298     {
 299         msg_Warn( p_demux, "can't set spu language to '%s' (%s)",
 300                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 301         /* We try to fall back to 'en' */
 302         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 303             dvdnav_spu_language_select(p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 304     }
 305     free( psz_code );
 306
 307     DemuxTitles( p_demux );
 308
 309     var_Create( p_demux, "dvdnav-menu", VLC_VAR_BOOL|VLC_VAR_DOINHERIT );
 310     var_Get( p_demux, "dvdnav-menu", &val );
 311     if( val.b_bool )
 312     {
 313         msg_Dbg( p_demux, "trying to go to dvd menu" );
 314
 315         if( dvdnav_title_play( p_sys->dvdnav, 1 ) != DVDNAV_STATUS_OK )
 316         {
 317             msg_Err( p_demux, "cannot set title (can't decrypt DVD?)" );
 318             dialog_Fatal( p_demux, _("Playback failure"),
 319                             _("VLC cannot set the DVD's title. It possibly "
 320                               "cannot decrypt the entire disc.") );
 321             dvdnav_close( p_sys->dvdnav );
 322             free( p_sys );
 323             return VLC_EGENERIC;
 324         }
 325
 326         if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title ) !=
 327             DVDNAV_STATUS_OK )
 328         {
 329             /* Try going to menu root */
 330             if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root ) !=
 331                 DVDNAV_STATUS_OK )
 332                     msg_Warn( p_demux, "cannot go to dvd menu" );
 333         }
 334     }
 335
 336     var_Create( p_demux, "dvdnav-angle", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 337     var_Get( p_demux, "dvdnav-angle", &val );
 338     i_angle = val.i_int > 0 ? val.i_int : 1;
 339
 340     /* Update default_pts to a suitable value for dvdnav access */
 341     var_Create( p_demux, "dvdnav-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 342
 343     /* FIXME hack hack hack hack FIXME */
 344     /* Get p_input and create variable */
 345     p_sys->p_input = vlc_object_find( p_demux, VLC_OBJECT_INPUT, FIND_PARENT );
 346     var_Create( p_sys->p_input, "x-start", VLC_VAR_INTEGER );
 347     var_Create( p_sys->p_input, "y-start", VLC_VAR_INTEGER );
 348     var_Create( p_sys->p_input, "x-end", VLC_VAR_INTEGER );
 349     var_Create( p_sys->p_input, "y-end", VLC_VAR_INTEGER );
 350     var_Create( p_sys->p_input, "color", VLC_VAR_ADDRESS );
 351     var_Create( p_sys->p_input, "menu-palette", VLC_VAR_ADDRESS );
 352     var_Create( p_sys->p_input, "highlight", VLC_VAR_BOOL );
 353     var_Create( p_sys->p_input, "highlight-mutex", VLC_VAR_MUTEX );
 354
 355     /* Now create our event thread catcher */
 356     p_sys->p_ev = vlc_object_create( p_demux, sizeof( event_thread_t ) );
 357     p_sys->p_ev->p_demux = p_demux;
 358     vlc_mutex_init( &p_sys->p_ev->lock );
 359     p_sys->p_ev->b_moved   = false;
 360     p_sys->p_ev->b_clicked = false;
 361     p_sys->p_ev->i_key_action = 0;
 362     p_sys->p_ev->b_still   = false;
 363
 364     /* catch all key event */
 365     var_AddCallback( p_demux->p_libvlc, "key-action", EventKey, p_sys->p_ev );
 366
 367     vlc_thread_create( p_sys->p_ev, "dvdnav event thread handler", EventThread,
 368                        VLC_THREAD_PRIORITY_LOW );
 369
 370     return VLC_SUCCESS;
 371 }
 372
 373 /*****************************************************************************
 374  * Close:
 375  *****************************************************************************/
 376 static void Close( vlc_object_t *p_this )
 377 {
 378     demux_t     *p_demux = (demux_t*)p_this;
 379     demux_sys_t *p_sys = p_demux->p_sys;
 380     int i;
 381
 382     /* stop the event handler */
 383     vlc_object_kill( p_sys->p_ev );
 384     var_DelCallback( p_demux->p_libvlc, "key-action", EventKey, p_sys->p_ev );
 385     vlc_thread_join( p_sys->p_ev );
 386     vlc_mutex_destroy( &p_sys->p_ev->lock );
 387     vlc_object_release( p_sys->p_ev );
 388
 389     var_Destroy( p_sys->p_input, "highlight-mutex" );
 390     var_Destroy( p_sys->p_input, "highlight" );
 391     var_Destroy( p_sys->p_input, "x-start" );
 392     var_Destroy( p_sys->p_input, "x-end" );
 393     var_Destroy( p_sys->p_input, "y-start" );
 394     var_Destroy( p_sys->p_input, "y-end" );
 395     var_Destroy( p_sys->p_input, "color" );
 396     var_Destroy( p_sys->p_input, "menu-palette" );
 397
 398     vlc_object_release( p_sys->p_input );
 399
 400     for( i = 0; i < PS_TK_COUNT; i++ )
 401     {
 402         ps_track_t *tk = &p_sys->tk[i];
 403         if( tk->b_seen )
 404         {
 405             es_format_Clean( &tk->fmt );
 406             if( tk->es ) es_out_Del( p_demux->out, tk->es );
 407         }
 408     }
 409
 410     dvdnav_close( p_sys->dvdnav );
 411     free( p_sys );
 412 }
 413
 414 /*****************************************************************************
 415  * Control:
 416  *****************************************************************************/
 417 static int Control( demux_t *p_demux, int i_query, va_list args )
 418 {
 419     demux_sys_t *p_sys = p_demux->p_sys;
 420     double f, *pf;
 421     bool *pb;
 422     int64_t *pi64;
 423     input_title_t ***ppp_title;
 424     int          *pi_int;
 425     int i;
 426
 427     switch( i_query )
 428     {
 429         case DEMUX_SET_POSITION:
 430         case DEMUX_GET_POSITION:
 431         case DEMUX_GET_TIME:
 432         case DEMUX_GET_LENGTH:
 433         {
 434             uint32_t pos, len;
 435             if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) !=
 436                   DVDNAV_STATUS_OK || len == 0 )
 437             {
 438                 return VLC_EGENERIC;
 439             }
 440
 441             if( i_query == DEMUX_GET_POSITION )
 442             {
 443                 pf = (double*)va_arg( args, double* );
 444                 *pf = (double)pos / (double)len;
 445                 return VLC_SUCCESS;
 446             }
 447             else if( i_query == DEMUX_SET_POSITION )
 448             {
 449                 f = (double)va_arg( args, double );
 450                 pos = f * len;
 451                 if( dvdnav_sector_search( p_sys->dvdnav, pos, SEEK_SET ) ==
 452                       DVDNAV_STATUS_OK )
 453                 {
 454                     return VLC_SUCCESS;
 455                 }
 456             }
 457             else if( i_query == DEMUX_GET_TIME )
 458             {
 459                 pi64 = (int64_t*)va_arg( args, int64_t * );
 460                 if( p_sys->i_pgc_length > 0 )
 461                 {
 462                     *pi64 = p_sys->i_pgc_length * pos / len;
 463                     return VLC_SUCCESS;
 464                 }
 465             }
 466             else if( i_query == DEMUX_GET_LENGTH )
 467             {
 468                 pi64 = (int64_t*)va_arg( args, int64_t * );
 469                 if( p_sys->i_pgc_length > 0 )
 470                 {
 471                     *pi64 = (int64_t)p_sys->i_pgc_length;
 472                     return VLC_SUCCESS;
 473                 }
 474             }
 475
 476             return VLC_EGENERIC;
 477         }
 478
 479         /* Special for access_demux */
 480         case DEMUX_CAN_PAUSE:
 481         case DEMUX_CAN_SEEK:
 482         case DEMUX_CAN_CONTROL_PACE:
 483             /* TODO */
 484             pb = (bool*)va_arg( args, bool * );
 485             *pb = true;
 486             return VLC_SUCCESS;
 487
 488         case DEMUX_SET_PAUSE_STATE:
 489             return VLC_SUCCESS;
 490
 491         case DEMUX_GET_TITLE_INFO:
 492             ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
 493             pi_int    = (int*)va_arg( args, int* );
 494             *((int*)va_arg( args, int* )) = 0; /* Title offset */
 495             *((int*)va_arg( args, int* )) = 1; /* Chapter offset */
 496
 497             /* Duplicate title infos */
 498             *pi_int = p_sys->i_title;
 499             *ppp_title = malloc( sizeof( input_title_t ** ) * p_sys->i_title );
 500             for( i = 0; i < p_sys->i_title; i++ )
 501             {
 502                 (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->title[i] );
 503             }
 504             return VLC_SUCCESS;
 505
 506         case DEMUX_SET_TITLE:
 507             i = (int)va_arg( args, int );
 508             if( ( i == 0 && dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root )
 509                   != DVDNAV_STATUS_OK ) ||
 510                 ( i != 0 && dvdnav_title_play( p_sys->dvdnav, i )
 511                   != DVDNAV_STATUS_OK ) )
 512             {
 513                 msg_Warn( p_demux, "cannot set title/chapter" );
 514                 return VLC_EGENERIC;
 515             }
 516             p_demux->info.i_update |=
 517                 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
 518             p_demux->info.i_title = i;
 519             p_demux->info.i_seekpoint = 0;
 520             return VLC_SUCCESS;
 521
 522         case DEMUX_SET_SEEKPOINT:
 523             i = (int)va_arg( args, int );
 524             if( p_demux->info.i_title == 0 )
 525             {
 526                 int i_ret;
 527                 /* Special case */
 528                 switch( i )
 529                 {
 530                 case 0:
 531                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Escape );
 532                     break;
 533                 case 1:
 534                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root );
 535                     break;
 536                 case 2:
 537                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title );
 538                     break;
 539                 case 3:
 540                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Part );
 541                     break;
 542                 case 4:
 543                     i_ret = dvdnav_menu_call( p_sys->dvdnav,
 544                                               DVD_MENU_Subpicture );
 545                     break;
 546                 case 5:
 547                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Audio );
 548                     break;
 549                 case 6:
 550                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Angle );
 551                     break;
 552                 default:
 553                     return VLC_EGENERIC;
 554                 }
 555
 556                 if( i_ret != DVDNAV_STATUS_OK )
 557                     return VLC_EGENERIC;
 558             }
 559             else if( dvdnav_part_play( p_sys->dvdnav, p_demux->info.i_title,
 560                                        i + 1 ) != DVDNAV_STATUS_OK )
 561             {
 562                 msg_Warn( p_demux, "cannot set title/chapter" );
 563                 return VLC_EGENERIC;
 564             }
 565             p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 566             p_demux->info.i_seekpoint = i;
 567             return VLC_SUCCESS;
 568
 569         case DEMUX_GET_PTS_DELAY:
 570             pi64 = (int64_t*)va_arg( args, int64_t * );
 571             *pi64 = (int64_t)var_GetInteger( p_demux, "dvdnav-caching" ) *1000;
 572             return VLC_SUCCESS;
 573
 574         case DEMUX_GET_META:
 575         {
 576             const char *title_name = NULL;
 577
 578             dvdnav_get_title_string(p_sys->dvdnav, &title_name);
 579             if( (NULL != title_name) && ('\0' != title_name[0]) )
 580             {
 581                 vlc_meta_t *p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
 582                 vlc_meta_Set( p_meta, vlc_meta_Title, title_name );
 583                 return VLC_SUCCESS;
 584             }
 585             return VLC_EGENERIC;
 586         }
 587
 588         /* TODO implement others */
 589         default:
 590             return VLC_EGENERIC;
 591     }
 592 }
 593
 594 static int ControlInternal( demux_t *p_demux, int i_query, ... )
 595 {
 596     va_list args;
 597     int     i_result;
 598
 599     va_start( args, i_query );
 600     i_result = Control( p_demux, i_query, args );
 601     va_end( args );
 602
 603     return i_result;
 604 }
 605 /*****************************************************************************
 606  * Demux:
 607  *****************************************************************************/
 608 static int Demux( demux_t *p_demux )
 609 {
 610     demux_sys_t *p_sys = p_demux->p_sys;
 611
 612     uint8_t buffer[DVD_VIDEO_LB_LEN];
 613     uint8_t *packet = buffer;
 614     int i_event;
 615     int i_len;
 616
 617 #if DVD_READ_CACHE
 618     if( dvdnav_get_next_cache_block( p_sys->dvdnav, &packet, &i_event, &i_len )
 619         == DVDNAV_STATUS_ERR )
 620 #else
 621     if( dvdnav_get_next_block( p_sys->dvdnav, packet, &i_event, &i_len )
 622         == DVDNAV_STATUS_ERR )
 623 #endif
 624     {
 625         msg_Warn( p_demux, "cannot get next block (%s)",
 626                   dvdnav_err_to_string( p_sys->dvdnav ) );
 627         if( p_demux->info.i_title == 0 )
 628         {
 629             msg_Dbg( p_demux, "jumping to first title" );
 630             return ControlInternal( p_demux, DEMUX_SET_TITLE, 1 ) == VLC_SUCCESS ? 1 : -1;
 631         }
 632         return -1;
 633     }
 634
 635     switch( i_event )
 636     {
 637     case DVDNAV_BLOCK_OK:   /* mpeg block */
 638         p_sys->p_ev->b_still = false;
 639         if( p_sys->b_reset_pcr )
 640         {
 641             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 642             p_sys->b_reset_pcr = false;
 643         }
 644         DemuxBlock( p_demux, packet, i_len );
 645         break;
 646
 647     case DVDNAV_NOP:    /* Nothing */
 648         msg_Dbg( p_demux, "DVDNAV_NOP" );
 649         break;
 650
 651     case DVDNAV_STILL_FRAME:
 652     {
 653         dvdnav_still_event_t *event = (dvdnav_still_event_t*)packet;
 654         bool b_still_init = false;
 655
 656         vlc_mutex_lock( &p_sys->p_ev->lock );
 657         if( !p_sys->p_ev->b_still )
 658         {
 659             msg_Dbg( p_demux, "DVDNAV_STILL_FRAME" );
 660             msg_Dbg( p_demux, "     - length=0x%x", event->length );
 661             p_sys->p_ev->b_still = true;
 662             b_still_init = true;
 663             if( event->length == 0xff )
 664                 p_sys->p_ev->i_still_end = 0;
 665             else
 666                 p_sys->p_ev->i_still_end = mdate() +
 667                                            event->length * INT64_C(1000000);
 668         }
 669         vlc_mutex_unlock( &p_sys->p_ev->lock );
 670
 671         if( b_still_init )
 672         {
 673             /* We send a dummy mpeg2 end of sequence to force still frame display */
 674             static const uint8_t buffer[] = {
 675                 0x00, 0x00, 0x01, 0xe0, 0x00, 0x07,
 676                 0x80, 0x00, 0x00,
 677                 0x00, 0x00, 0x01, 0xB7,
 678             };
 679             DemuxBlock( p_demux, buffer, sizeof(buffer) );
 680
 681             bool b_empty;
 682             es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
 683             p_sys->b_reset_pcr = true;
 684         }
 685         msleep( 40000 );
 686         break;
 687     }
 688
 689     case DVDNAV_SPU_CLUT_CHANGE:
 690     {
 691         int i;
 692
 693         msg_Dbg( p_demux, "DVDNAV_SPU_CLUT_CHANGE" );
 694         /* Update color lookup table (16 *uint32_t in packet) */
 695         memcpy( p_sys->clut, packet, 16 * sizeof( uint32_t ) );
 696
 697         /* HACK to get the SPU tracks registered in the right order */
 698         for( i = 0; i < 0x1f; i++ )
 699         {
 700             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 701                 ESNew( p_demux, 0xbd20 + i );
 702         }
 703         /* END HACK */
 704         break;
 705     }
 706
 707     case DVDNAV_SPU_STREAM_CHANGE:
 708     {
 709         dvdnav_spu_stream_change_event_t *event =
 710             (dvdnav_spu_stream_change_event_t*)packet;
 711         int i;
 712
 713         msg_Dbg( p_demux, "DVDNAV_SPU_STREAM_CHANGE" );
 714         msg_Dbg( p_demux, "     - physical_wide=%d",
 715                  event->physical_wide );
 716         msg_Dbg( p_demux, "     - physical_letterbox=%d",
 717                  event->physical_letterbox);
 718         msg_Dbg( p_demux, "     - physical_pan_scan=%d",
 719                  event->physical_pan_scan );
 720
 721         ESSubtitleUpdate( p_demux );
 722         p_sys->b_spu_change = true;
 723
 724         /* HACK to get the SPU tracks registered in the right order */
 725         for( i = 0; i < 0x1f; i++ )
 726         {
 727             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 728                 ESNew( p_demux, 0xbd20 + i );
 729         }
 730         /* END HACK */
 731         break;
 732     }
 733
 734     case DVDNAV_AUDIO_STREAM_CHANGE:
 735     {
 736         dvdnav_audio_stream_change_event_t *event =
 737             (dvdnav_audio_stream_change_event_t*)packet;
 738         msg_Dbg( p_demux, "DVDNAV_AUDIO_STREAM_CHANGE" );
 739         msg_Dbg( p_demux, "     - physical=%d", event->physical );
 740         /* TODO */
 741         break;
 742     }
 743
 744     case DVDNAV_VTS_CHANGE:
 745     {
 746         int32_t i_title = 0;
 747         int32_t i_part  = 0;
 748         int i;
 749
 750         dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t*)packet;
 751         msg_Dbg( p_demux, "DVDNAV_VTS_CHANGE" );
 752         msg_Dbg( p_demux, "     - vtsN=%d", event->new_vtsN );
 753         msg_Dbg( p_demux, "     - domain=%d", event->new_domain );
 754
 755         /* dvdnav_get_video_aspect / dvdnav_get_video_scale_permission */
 756         /* TODO check if we always have VTS and CELL */
 757         p_sys->i_aspect = dvdnav_get_video_aspect( p_sys->dvdnav );
 758
 759         /* reset PCR */
 760         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 761
 762         for( i = 0; i < PS_TK_COUNT; i++ )
 763         {
 764             ps_track_t *tk = &p_sys->tk[i];
 765             if( tk->b_seen )
 766             {
 767                 es_format_Clean( &tk->fmt );
 768                 if( tk->es ) es_out_Del( p_demux->out, tk->es );
 769             }
 770             tk->b_seen = false;
 771         }
 772
 773         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 774                                        &i_part ) == DVDNAV_STATUS_OK )
 775         {
 776             if( i_title >= 0 && i_title < p_sys->i_title &&
 777                 p_demux->info.i_title != i_title )
 778             {
 779                 p_demux->info.i_update |= INPUT_UPDATE_TITLE;
 780                 p_demux->info.i_title = i_title;
 781             }
 782         }
 783         break;
 784     }
 785
 786     case DVDNAV_CELL_CHANGE:
 787     {
 788         int32_t i_title = 0;
 789         int32_t i_part  = 0;
 790
 791         dvdnav_cell_change_event_t *event =
 792             (dvdnav_cell_change_event_t*)packet;
 793         msg_Dbg( p_demux, "DVDNAV_CELL_CHANGE" );
 794         msg_Dbg( p_demux, "     - cellN=%d", event->cellN );
 795         msg_Dbg( p_demux, "     - pgN=%d", event->pgN );
 796         msg_Dbg( p_demux, "     - cell_length=%"PRId64, event->cell_length );
 797         msg_Dbg( p_demux, "     - pg_length=%"PRId64, event->pg_length );
 798         msg_Dbg( p_demux, "     - pgc_length=%"PRId64, event->pgc_length );
 799         msg_Dbg( p_demux, "     - cell_start=%"PRId64, event->cell_start );
 800         msg_Dbg( p_demux, "     - pg_start=%"PRId64, event->pg_start );
 801
 802         /* Store the lenght in time of the current PGC */
 803         p_sys->i_pgc_length = event->pgc_length / 90 * 1000;
 804
 805         /* FIXME is it correct or there is better way to know chapter change */
 806         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 807                                        &i_part ) == DVDNAV_STATUS_OK )
 808         {
 809             if( i_title >= 0 && i_title < p_sys->i_title &&
 810                 i_part >= 1 && i_part <= p_sys->title[i_title]->i_seekpoint &&
 811                 p_demux->info.i_seekpoint != i_part - 1 )
 812             {
 813                 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 814                 p_demux->info.i_seekpoint = i_part - 1;
 815             }
 816         }
 817         break;
 818     }
 819
 820     case DVDNAV_NAV_PACKET:
 821     {
 822 #ifdef DVDNAV_DEBUG
 823         msg_Dbg( p_demux, "DVDNAV_NAV_PACKET" );
 824 #endif
 825         /* A lot of thing to do here :
 826          *  - handle packet
 827          *  - fetch pts (for time display)
 828          *  - ...
 829          */
 830         DemuxBlock( p_demux, packet, i_len );
 831         if( p_sys->b_spu_change )
 832         {
 833             ButtonUpdate( p_demux, false );
 834             p_sys->b_spu_change = false;
 835         }
 836         break;
 837     }
 838
 839     case DVDNAV_STOP:   /* EOF */
 840         msg_Dbg( p_demux, "DVDNAV_STOP" );
 841
 842 #if DVD_READ_CACHE
 843         dvdnav_free_cache_block( p_sys->dvdnav, packet );
 844 #endif
 845         return 0;
 846
 847     case DVDNAV_HIGHLIGHT:
 848     {
 849         dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t*)packet;
 850         msg_Dbg( p_demux, "DVDNAV_HIGHLIGHT" );
 851         msg_Dbg( p_demux, "     - display=%d", event->display );
 852         msg_Dbg( p_demux, "     - buttonN=%d", event->buttonN );
 853         ButtonUpdate( p_demux, false );
 854         break;
 855     }
 856
 857     case DVDNAV_HOP_CHANNEL:
 858         msg_Dbg( p_demux, "DVDNAV_HOP_CHANNEL" );
 859         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 860         break;
 861
 862     case DVDNAV_WAIT:
 863         msg_Dbg( p_demux, "DVDNAV_WAIT" );
 864
 865         bool b_empty;
 866         es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
 867         if( !b_empty )
 868         {
 869             msleep( 40*1000 );
 870         }
 871         else
 872         {
 873             dvdnav_wait_skip( p_sys->dvdnav );
 874             p_sys->b_reset_pcr = true;
 875         }
 876         break;
 877
 878     default:
 879         msg_Warn( p_demux, "Unknown event (0x%x)", i_event );
 880         break;
 881     }
 882
 883 #if DVD_READ_CACHE
 884     dvdnav_free_cache_block( p_sys->dvdnav, packet );
 885 #endif
 886
 887     return 1;
 888 }
 889
 890 /* Get a 2 char code
 891  * FIXME: partiallyy duplicated from src/input/es_out.c
 892  */
 893 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var )
 894 {
 895     const iso639_lang_t *pl;
 896     char *psz_lang;
 897     char *p;
 898
 899     psz_lang = var_CreateGetString( p_demux, psz_var );
 900     if( !psz_lang )
 901         return strdup(LANGUAGE_DEFAULT);
 902
 903     /* XXX: we will use only the first value
 904      * (and ignore other ones in case of a list) */
 905     if( ( p = strchr( psz_lang, ',' ) ) )
 906         *p = '\0';
 907
 908     for( pl = p_languages; pl->psz_iso639_1 != NULL; pl++ )
 909     {
 910         if( *psz_lang == '\0' )
 911             continue;
 912         if( !strcasecmp( pl->psz_eng_name, psz_lang ) ||
 913             !strcasecmp( pl->psz_native_name, psz_lang ) ||
 914             !strcasecmp( pl->psz_iso639_1, psz_lang ) ||
 915             !strcasecmp( pl->psz_iso639_2T, psz_lang ) ||
 916             !strcasecmp( pl->psz_iso639_2B, psz_lang ) )
 917             break;
 918     }
 919
 920     free( psz_lang );
 921
 922     if( pl->psz_iso639_1 != NULL )
 923         return strdup( pl->psz_iso639_1 );
 924
 925     return strdup(LANGUAGE_DEFAULT);
 926 }
 927
 928 static void DemuxTitles( demux_t *p_demux )
 929 {
 930     demux_sys_t *p_sys = p_demux->p_sys;
 931     input_title_t *t;
 932     seekpoint_t *s;
 933     int32_t i_titles;
 934     int i;
 935
 936     /* Menu */
 937     t = vlc_input_title_New();
 938     t->b_menu = true;
 939     t->psz_name = strdup( "DVD Menu" );
 940
 941     s = vlc_seekpoint_New();
 942     s->psz_name = strdup( "Resume" );
 943     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 944
 945     s = vlc_seekpoint_New();
 946     s->psz_name = strdup( "Root" );
 947     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 948
 949     s = vlc_seekpoint_New();
 950     s->psz_name = strdup( "Title" );
 951     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 952
 953     s = vlc_seekpoint_New();
 954     s->psz_name = strdup( "Chapter" );
 955     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 956
 957     s = vlc_seekpoint_New();
 958     s->psz_name = strdup( "Subtitle" );
 959     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 960
 961     s = vlc_seekpoint_New();
 962     s->psz_name = strdup( "Audio" );
 963     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 964
 965     s = vlc_seekpoint_New();
 966     s->psz_name = strdup( "Angle" );
 967     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 968
 969     TAB_APPEND( p_sys->i_title, p_sys->title, t );
 970
 971     /* Find out number of titles/chapters */
 972     dvdnav_get_number_of_titles( p_sys->dvdnav, &i_titles );
 973     for( i = 1; i <= i_titles; i++ )
 974     {
 975         int32_t i_chapters = 0;
 976         int j;
 977
 978         dvdnav_get_number_of_parts( p_sys->dvdnav, i, &i_chapters );
 979
 980         t = vlc_input_title_New();
 981         for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
 982         {
 983             s = vlc_seekpoint_New();
 984             TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 985         }
 986
 987         TAB_APPEND( p_sys->i_title, p_sys->title, t );
 988     }
 989 }
 990
 991 /*****************************************************************************
 992  * Update functions:
 993  *****************************************************************************/
 994 static void ButtonUpdate( demux_t *p_demux, bool b_mode )
 995 {
 996     demux_sys_t *p_sys = p_demux->p_sys;
 997     vlc_value_t val;
 998     int32_t i_title, i_part;
 999
1000     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1001
1002     if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
1003     {
1004         vlc_mutex_t *p_mutex = val.p_address;
1005         dvdnav_highlight_area_t hl;
1006         int32_t i_button;
1007         bool    b_button_ok;
1008
1009         if( dvdnav_get_current_highlight( p_sys->dvdnav, &i_button )
1010             != DVDNAV_STATUS_OK )
1011         {
1012             msg_Err( p_demux, "dvdnav_get_current_highlight failed" );
1013             return;
1014         }
1015
1016         b_button_ok = false;
1017         if( i_button > 0 && i_title ==  0 )
1018         {
1019             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1020
1021             b_button_ok = dvdnav_get_highlight_area( pci, i_button, b_mode, &hl ) == DVDNAV_STATUS_OK;
1022         }
1023         if( b_button_ok )
1024         {
1025             int i;
1026             for( i = 0; i < 4; i++ )
1027             {
1028                 uint32_t i_yuv = p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
1029                 uint8_t i_alpha = ( (hl.palette>>(i*4))&0x0f ) * 0xff / 0xf;
1030
1031                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
1032                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
1033                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
1034                 p_sys->palette[i][3] = i_alpha;
1035             }
1036
1037             vlc_mutex_lock( p_mutex );
1038             val.i_int = hl.sx; var_Set( p_sys->p_input, "x-start", val );
1039             val.i_int = hl.ex; var_Set( p_sys->p_input, "x-end", val );
1040             val.i_int = hl.sy; var_Set( p_sys->p_input, "y-start", val );
1041             val.i_int = hl.ey; var_Set( p_sys->p_input, "y-end", val );
1042
1043             val.p_address = (void *)p_sys->palette;
1044             var_Set( p_sys->p_input, "menu-palette", val );
1045
1046             val.b_bool = true; var_Set( p_sys->p_input, "highlight", val );
1047             vlc_mutex_unlock( p_mutex );
1048
1049             msg_Dbg( p_demux, "buttonUpdate %d", i_button );
1050         }
1051         else
1052         {
1053             msg_Dbg( p_demux, "buttonUpdate not done b=%d t=%d",
1054                      i_button, i_title );
1055
1056             /* Show all */
1057             vlc_mutex_lock( p_mutex );
1058             val.b_bool = false;
1059             var_Set( p_sys->p_input, "highlight", val );
1060             vlc_mutex_unlock( p_mutex );
1061         }
1062     }
1063 }
1064
1065 static void ESSubtitleUpdate( demux_t *p_demux )
1066 {
1067     demux_sys_t *p_sys = p_demux->p_sys;
1068     int         i_spu = dvdnav_get_active_spu_stream( p_sys->dvdnav );
1069     int32_t i_title, i_part;
1070
1071     ButtonUpdate( p_demux, false );
1072
1073     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1074     if( i_title > 0 ) return;
1075
1076     if( i_spu >= 0 && i_spu <= 0x1f )
1077     {
1078         ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1079
1080         ESNew( p_demux, 0xbd20 + i_spu );
1081
1082         /* be sure to unselect it (reset) */
1083         es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1084                         (bool)false );
1085
1086         /* now select it */
1087         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1088     }
1089     else
1090     {
1091         for( i_spu = 0; i_spu <= 0x1F; i_spu++ )
1092         {
1093             ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1094             if( tk->b_seen )
1095             {
1096                 es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1097                                 (bool)false );
1098             }
1099         }
1100     }
1101 }
1102
1103 /*****************************************************************************
1104  * DemuxBlock: demux a given block
1105  *****************************************************************************/
1106 static int DemuxBlock( demux_t *p_demux, const uint8_t *pkt, int i_pkt )
1107 {
1108     demux_sys_t *p_sys = p_demux->p_sys;
1109     const uint8_t     *p = pkt;
1110
1111     while( p < &pkt[i_pkt] )
1112     {
1113         int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
1114         block_t *p_pkt;
1115         if( i_size <= 0 )
1116         {
1117             break;
1118         }
1119
1120         /* Create a block */
1121         p_pkt = block_New( p_demux, i_size );
1122         memcpy( p_pkt->p_buffer, p, i_size);
1123
1124         /* Parse it and send it */
1125         switch( 0x100 | p[3] )
1126         {
1127         case 0x1b9:
1128         case 0x1bb:
1129         case 0x1bc:
1130 #ifdef DVDNAV_DEBUG
1131             if( p[3] == 0xbc )
1132             {
1133                 msg_Warn( p_demux, "received a PSM packet" );
1134             }
1135             else if( p[3] == 0xbb )
1136             {
1137                 msg_Warn( p_demux, "received a SYSTEM packet" );
1138             }
1139 #endif
1140             block_Release( p_pkt );
1141             break;
1142
1143         case 0x1ba:
1144         {
1145             int64_t i_scr;
1146             int i_mux_rate;
1147             if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
1148             {
1149                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr + 1 );
1150                 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
1151             }
1152             block_Release( p_pkt );
1153             break;
1154         }
1155         default:
1156         {
1157             int i_id = ps_pkt_id( p_pkt );
1158             if( i_id >= 0xc0 )
1159             {
1160                 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1161
1162                 if( !tk->b_seen )
1163                 {
1164                     ESNew( p_demux, i_id );
1165                 }
1166                 if( tk->b_seen && tk->es &&
1167                     !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
1168                 {
1169                     es_out_Send( p_demux->out, tk->es, p_pkt );
1170                 }
1171                 else
1172                 {
1173                     block_Release( p_pkt );
1174                 }
1175             }
1176             else
1177             {
1178                 block_Release( p_pkt );
1179             }
1180             break;
1181         }
1182         }
1183
1184         p += i_size;
1185     }
1186
1187     return VLC_SUCCESS;
1188 }
1189
1190 /*****************************************************************************
1191  * ESNew: register a new elementary stream
1192  *****************************************************************************/
1193 static void ESNew( demux_t *p_demux, int i_id )
1194 {
1195     demux_sys_t *p_sys = p_demux->p_sys;
1196     ps_track_t  *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1197     bool  b_select = false;
1198
1199     if( tk->b_seen ) return;
1200
1201     if( ps_track_fill( tk, 0, i_id ) )
1202     {
1203         msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
1204         return;
1205     }
1206
1207     /* Add a new ES */
1208     if( tk->fmt.i_cat == VIDEO_ES )
1209     {
1210         switch( p_sys->i_aspect )
1211         {
1212         case 1: tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR; break;
1213         case 2: tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * 4 / 3; break;
1214         case 3: tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * 16 / 9; break;
1215         case 4: tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * 221 / 10; break;
1216         default:
1217             tk->fmt.video.i_aspect = 0;
1218             break;
1219         }
1220         b_select = true;
1221     }
1222     else if( tk->fmt.i_cat == AUDIO_ES )
1223     {
1224         int i_audio = -1;
1225         /* find the audio number PLEASE find another way */
1226         if( (i_id&0xbdf8) == 0xbd88 )       /* dts */
1227         {
1228             i_audio = i_id&0x07;
1229         }
1230         else if( (i_id&0xbdf0) == 0xbd80 )  /* a52 */
1231         {
1232             i_audio = i_id&0xf;
1233         }
1234         else if( (i_id&0xbdf0) == 0xbda0 )  /* lpcm */
1235         {
1236             i_audio = i_id&0x1f;
1237         }
1238         else if( ( i_id&0xe0 ) == 0xc0 )    /* mpga */
1239         {
1240             i_audio = i_id&0x1f;
1241         }
1242         if( i_audio >= 0 )
1243         {
1244             int i_lang = dvdnav_audio_stream_to_lang( p_sys->dvdnav, i_audio );
1245             if( i_lang != 0xffff )
1246             {
1247                 tk->fmt.psz_language = malloc( 3 );
1248                 tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1249                 tk->fmt.psz_language[1] = (i_lang     )&0xff;
1250                 tk->fmt.psz_language[2] = 0;
1251             }
1252             if( dvdnav_get_active_audio_stream( p_sys->dvdnav ) == i_audio )
1253             {
1254                 b_select = true;
1255             }
1256         }
1257     }
1258     else if( tk->fmt.i_cat == SPU_ES )
1259     {
1260         int32_t i_title, i_part;
1261         int i_lang = dvdnav_spu_stream_to_lang( p_sys->dvdnav, i_id&0x1f );
1262         if( i_lang != 0xffff )
1263         {
1264             tk->fmt.psz_language = malloc( 3 );
1265             tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1266             tk->fmt.psz_language[1] = (i_lang     )&0xff;
1267             tk->fmt.psz_language[2] = 0;
1268         }
1269
1270         /* Palette */
1271         tk->fmt.subs.spu.palette[0] = 0xBeef;
1272         memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
1273                 16 * sizeof( uint32_t ) );
1274
1275         /* We select only when we are not in the menu */
1276         dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1277         if( i_title > 0 &&
1278             dvdnav_get_active_spu_stream( p_sys->dvdnav ) == (i_id&0x1f) )
1279         {
1280             b_select = true;
1281         }
1282     }
1283
1284     tk->es = es_out_Add( p_demux->out, &tk->fmt );
1285     if( b_select )
1286     {
1287         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1288     }
1289     tk->b_seen = true;
1290
1291     if( tk->fmt.i_cat == VIDEO_ES ) ButtonUpdate( p_demux, false );
1292 }
1293
1294 /*****************************************************************************
1295  * Event handler code
1296  *****************************************************************************/
1297 static int  EventMouse( vlc_object_t *, char const *,
1298                         vlc_value_t, vlc_value_t, void * );
1299
1300 static void* EventThread( vlc_object_t *p_this )
1301 {
1302     event_thread_t *p_ev = (event_thread_t*)p_this;
1303     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
1304     vlc_object_t   *p_vout = NULL;
1305     int canc = vlc_savecancel ();
1306
1307     /* main loop */
1308     while( vlc_object_alive( p_ev ) )
1309     {
1310         /* KEY part */
1311         if( p_ev->i_key_action != 0 )
1312         {
1313             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1314
1315             vlc_mutex_lock( &p_ev->lock );
1316             switch( p_ev->i_key_action )
1317             {
1318             case ACTIONID_NAV_LEFT:
1319                 dvdnav_left_button_select( p_sys->dvdnav, pci );
1320                 break;
1321             case ACTIONID_NAV_RIGHT:
1322                 dvdnav_right_button_select( p_sys->dvdnav, pci );
1323                 break;
1324             case ACTIONID_NAV_UP:
1325                 dvdnav_upper_button_select( p_sys->dvdnav, pci );
1326                 break;
1327             case ACTIONID_NAV_DOWN:
1328                 dvdnav_lower_button_select( p_sys->dvdnav, pci );
1329                 break;
1330             case ACTIONID_NAV_ACTIVATE:
1331                 ButtonUpdate( p_ev->p_demux, true );
1332                 dvdnav_button_activate( p_sys->dvdnav, pci );
1333                 break;
1334             default:
1335                 break;
1336             }
1337             p_ev->i_key_action = 0;
1338             vlc_mutex_unlock( &p_ev->lock );
1339         }
1340
1341         /* VOUT part */
1342         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
1343         {
1344             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1345             vlc_value_t valx, valy;
1346
1347             vlc_mutex_lock( &p_ev->lock );
1348             var_Get( p_vout, "mouse-x", &valx );
1349             var_Get( p_vout, "mouse-y", &valy );
1350
1351             if( p_ev->b_moved )
1352             {
1353                 dvdnav_mouse_select( p_sys->dvdnav, pci, valx.i_int,
1354                                      valy.i_int );
1355             }
1356             if( p_ev->b_clicked )
1357             {
1358                 ButtonUpdate( p_ev->p_demux, true );
1359                 dvdnav_mouse_activate( p_sys->dvdnav, pci, valx.i_int,
1360                                        valy.i_int );
1361             }
1362
1363             p_ev->b_moved = false;
1364             p_ev->b_clicked = false;
1365             vlc_mutex_unlock( &p_ev->lock );
1366         }
1367         if( p_vout && !vlc_object_alive (p_vout) )
1368         {
1369             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1370             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1371             vlc_object_release( p_vout );
1372             p_vout = NULL;
1373         }
1374         if( p_vout == NULL )
1375         {
1376             p_vout = vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
1377                                       FIND_CHILD );
1378             if( p_vout)
1379             {
1380                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1381                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1382             }
1383         }
1384
1385         /* Still part */
1386         vlc_mutex_lock( &p_ev->lock );
1387         if( p_ev->b_still )
1388         {
1389             if( p_ev->i_still_end > 0 && p_ev->i_still_end < mdate() )
1390             {
1391                 p_ev->b_still = false;
1392                 dvdnav_still_skip( p_sys->dvdnav );
1393             }
1394         }
1395         vlc_mutex_unlock( &p_ev->lock );
1396
1397         /* Wait a bit */
1398         msleep( 10000 );
1399     }
1400
1401     /* Release callback */
1402     if( p_vout )
1403     {
1404         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1405         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1406         vlc_object_release( p_vout );
1407     }
1408     vlc_restorecancel (canc);
1409
1410     return NULL;
1411 }
1412
1413 static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1414                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
1415 {
1416     (void)p_this;    (void)oldval;    (void)newval;    (void)p_data;
1417     event_thread_t *p_ev = p_data;
1418     vlc_mutex_lock( &p_ev->lock );
1419     if( psz_var[6] == 'c' )
1420         p_ev->b_clicked = true;
1421     else if( psz_var[6] == 'm' )
1422         p_ev->b_moved = true;
1423     vlc_mutex_unlock( &p_ev->lock );
1424
1425     return VLC_SUCCESS;
1426 }
1427
1428 static int EventKey( vlc_object_t *p_this, char const *psz_var,
1429                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
1430 {
1431     (void)p_this;    (void)psz_var;    (void)oldval;
1432     event_thread_t *p_ev = p_data;
1433     vlc_mutex_lock( &p_ev->lock );
1434     p_ev->i_key_action = newval.i_int;
1435     vlc_mutex_unlock( &p_ev->lock );
1436
1437     return VLC_SUCCESS;
1438 }
1439
1440 /*****************************************************************************
1441  * ProbeDVD: very weak probing that avoids going too often into a dvdnav_open()
1442  *****************************************************************************/
1443 static int ProbeDVD( demux_t *p_demux, char *psz_name )
1444 {
1445     (void)p_demux;
1446 #ifdef HAVE_SYS_STAT_H
1447     struct stat stat_info;
1448     uint8_t pi_anchor[2];
1449     int i_fd, i_ret;
1450
1451     if( !*psz_name )
1452     {
1453         /* Triggers libdvdcss autodetection */
1454         return VLC_SUCCESS;
1455     }
1456
1457     if( !strcmp( psz_name, "-" ) ) /* stdin -> file access */
1458         return VLC_EGENERIC;
1459
1460     if( (i_fd = utf8_open( psz_name, O_RDONLY |O_NONBLOCK, 0666 )) == -1 )
1461     {
1462         return VLC_SUCCESS; /* Let dvdnav_open() do the probing */
1463     }
1464
1465     if( fstat( i_fd, &stat_info ) || !S_ISREG( stat_info.st_mode ) )
1466     {
1467         close( i_fd );
1468
1469         if( S_ISFIFO( stat_info.st_mode ) )
1470             return VLC_EGENERIC;
1471         return VLC_SUCCESS; /* Let dvdnav_open() do the probing */
1472     }
1473
1474     /* Try to find the anchor (2 bytes at LBA 256) */
1475     i_ret = VLC_EGENERIC;
1476     if( lseek( i_fd, 256 * DVD_VIDEO_LB_LEN, SEEK_SET ) != -1
1477      && read( i_fd, pi_anchor, 2 ) == 2
1478      && GetWLE( pi_anchor ) == 2 )
1479         i_ret = VLC_SUCCESS; /* Found a potential anchor */
1480
1481     close( i_fd );
1482
1483     return i_ret;
1484 #else
1485
1486     return VLC_SUCCESS;
1487 #endif
1488 }