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 /*****************************************************************************
 176  * DemuxOpen:
 177  *****************************************************************************/
 178 static int Open( vlc_object_t *p_this )
 179 {
 180     demux_t     *p_demux = (demux_t*)p_this;
 181     demux_sys_t *p_sys;
 182     dvdnav_t    *p_dvdnav;
 183     int         i_angle;
 184     char        *psz_name;
 185     char        *psz_code;
 186     vlc_value_t val;
 187
 188     if( !p_demux->psz_path || !*p_demux->psz_path )
 189     {
 190         /* Only when selected */
 191         if( !p_this->b_force ) return VLC_EGENERIC;
 192
 193         psz_name = var_CreateGetString( p_this, "dvd" );
 194         if( !psz_name )
 195         {
 196             psz_name = strdup("");
 197         }
 198     }
 199     else
 200         psz_name = ToLocaleDup( p_demux->psz_path );
 201
 202 #ifdef WIN32
 203     if( psz_name[0] && psz_name[1] == ':' &&
 204         psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
 205 #endif
 206
 207     /* Try some simple probing to avoid going through dvdnav_open too often */
 208     if( ProbeDVD( p_demux, psz_name ) != VLC_SUCCESS )
 209     {
 210         free( psz_name );
 211         return VLC_EGENERIC;
 212     }
 213
 214     /* Open dvdnav */
 215     if( dvdnav_open( &p_dvdnav, psz_name ) != DVDNAV_STATUS_OK )
 216     {
 217         msg_Warn( p_demux, "cannot open dvdnav" );
 218         free( psz_name );
 219         return VLC_EGENERIC;
 220     }
 221     free( psz_name );
 222
 223     /* Fill p_demux field */
 224     DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
 225     p_sys->dvdnav = p_dvdnav;
 226     p_sys->b_reset_pcr = false;
 227
 228     ps_track_init( p_sys->tk );
 229     p_sys->i_aspect = -1;
 230     p_sys->i_mux_rate = 0;
 231     p_sys->i_pgc_length = 0;
 232     p_sys->b_spu_change = false;
 233
 234     if( 1 )
 235     {
 236         // Hack for libdvdnav CVS.
 237         // Without it dvdnav_get_number_of_titles() fails.
 238         // Remove when fixed in libdvdnav CVS.
 239         uint8_t buffer[DVD_VIDEO_LB_LEN];
 240         int i_event, i_len;
 241
 242         if( dvdnav_get_next_block( p_sys->dvdnav, buffer, &i_event, &i_len )
 243               == DVDNAV_STATUS_ERR )
 244         {
 245             msg_Warn( p_demux, "dvdnav_get_next_block failed" );
 246         }
 247
 248         dvdnav_sector_search( p_sys->dvdnav, 0, SEEK_SET );
 249     }
 250
 251     /* Configure dvdnav */
 252     if( dvdnav_set_readahead_flag( p_sys->dvdnav, DVD_READ_CACHE ) !=
 253           DVDNAV_STATUS_OK )
 254     {
 255         msg_Warn( p_demux, "cannot set read-a-head flag" );
 256     }
 257
 258     if( dvdnav_set_PGC_positioning_flag( p_sys->dvdnav, 1 ) !=
 259           DVDNAV_STATUS_OK )
 260     {
 261         msg_Warn( p_demux, "cannot set PGC positioning flag" );
 262     }
 263
 264     /* Set menu language
 265      * XXX A menu-language may be better than sub-language */
 266     psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
 267     if( dvdnav_menu_language_select( p_sys->dvdnav, psz_code ) !=
 268         DVDNAV_STATUS_OK )
 269     {
 270         msg_Warn( p_demux, "can't set menu language to '%s' (%s)",
 271                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 272         /* We try to fall back to 'en' */
 273         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 274             dvdnav_menu_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 275     }
 276     free( psz_code );
 277
 278     /* Set audio language */
 279     psz_code = DemuxGetLanguageCode( p_demux, "audio-language" );
 280     if( dvdnav_audio_language_select( p_sys->dvdnav, psz_code ) !=
 281         DVDNAV_STATUS_OK )
 282     {
 283         msg_Warn( p_demux, "can't set audio language to '%s' (%s)",
 284                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 285         /* We try to fall back to 'en' */
 286         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 287             dvdnav_audio_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 288     }
 289     free( psz_code );
 290
 291     /* Set spu language */
 292     psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
 293     if( dvdnav_spu_language_select( p_sys->dvdnav, psz_code ) !=
 294         DVDNAV_STATUS_OK )
 295     {
 296         msg_Warn( p_demux, "can't set spu language to '%s' (%s)",
 297                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 298         /* We try to fall back to 'en' */
 299         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 300             dvdnav_spu_language_select(p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 301     }
 302     free( psz_code );
 303
 304     DemuxTitles( p_demux );
 305
 306     var_Create( p_demux, "dvdnav-menu", VLC_VAR_BOOL|VLC_VAR_DOINHERIT );
 307     var_Get( p_demux, "dvdnav-menu", &val );
 308     if( val.b_bool )
 309     {
 310         msg_Dbg( p_demux, "trying to go to dvd menu" );
 311
 312         if( dvdnav_title_play( p_sys->dvdnav, 1 ) != DVDNAV_STATUS_OK )
 313         {
 314             msg_Err( p_demux, "cannot set title (can't decrypt DVD?)" );
 315             dialog_Fatal( p_demux, _("Playback failure"),
 316                             _("VLC cannot set the DVD's title. It possibly "
 317                               "cannot decrypt the entire disc.") );
 318             dvdnav_close( p_sys->dvdnav );
 319             free( p_sys );
 320             return VLC_EGENERIC;
 321         }
 322
 323         if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title ) !=
 324             DVDNAV_STATUS_OK )
 325         {
 326             /* Try going to menu root */
 327             if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root ) !=
 328                 DVDNAV_STATUS_OK )
 329                     msg_Warn( p_demux, "cannot go to dvd menu" );
 330         }
 331     }
 332
 333     var_Create( p_demux, "dvdnav-angle", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 334     var_Get( p_demux, "dvdnav-angle", &val );
 335     i_angle = val.i_int > 0 ? val.i_int : 1;
 336
 337     /* Update default_pts to a suitable value for dvdnav access */
 338     var_Create( p_demux, "dvdnav-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 339
 340     /* FIXME hack hack hack hack FIXME */
 341     /* Get p_input and create variable */
 342     p_sys->p_input = vlc_object_find( p_demux, VLC_OBJECT_INPUT, FIND_PARENT );
 343     var_Create( p_sys->p_input, "x-start", VLC_VAR_INTEGER );
 344     var_Create( p_sys->p_input, "y-start", VLC_VAR_INTEGER );
 345     var_Create( p_sys->p_input, "x-end", VLC_VAR_INTEGER );
 346     var_Create( p_sys->p_input, "y-end", VLC_VAR_INTEGER );
 347     var_Create( p_sys->p_input, "color", VLC_VAR_ADDRESS );
 348     var_Create( p_sys->p_input, "menu-palette", VLC_VAR_ADDRESS );
 349     var_Create( p_sys->p_input, "highlight", VLC_VAR_BOOL );
 350     var_Create( p_sys->p_input, "highlight-mutex", VLC_VAR_MUTEX );
 351
 352     /* Now create our event thread catcher */
 353     p_sys->p_ev = vlc_object_create( p_demux, sizeof( event_thread_t ) );
 354     p_sys->p_ev->p_demux = p_demux;
 355     vlc_thread_create( p_sys->p_ev, "dvdnav event thread handler", EventThread,
 356                        VLC_THREAD_PRIORITY_LOW );
 357
 358     return VLC_SUCCESS;
 359 }
 360
 361 /*****************************************************************************
 362  * Close:
 363  *****************************************************************************/
 364 static void Close( vlc_object_t *p_this )
 365 {
 366     demux_t     *p_demux = (demux_t*)p_this;
 367     demux_sys_t *p_sys = p_demux->p_sys;
 368     int i;
 369
 370     /* stop the event handler */
 371     vlc_object_kill( p_sys->p_ev );
 372     vlc_thread_join( p_sys->p_ev );
 373     vlc_object_release( p_sys->p_ev );
 374
 375     var_Destroy( p_sys->p_input, "highlight-mutex" );
 376     var_Destroy( p_sys->p_input, "highlight" );
 377     var_Destroy( p_sys->p_input, "x-start" );
 378     var_Destroy( p_sys->p_input, "x-end" );
 379     var_Destroy( p_sys->p_input, "y-start" );
 380     var_Destroy( p_sys->p_input, "y-end" );
 381     var_Destroy( p_sys->p_input, "color" );
 382     var_Destroy( p_sys->p_input, "menu-palette" );
 383
 384     vlc_object_release( p_sys->p_input );
 385
 386     for( i = 0; i < PS_TK_COUNT; i++ )
 387     {
 388         ps_track_t *tk = &p_sys->tk[i];
 389         if( tk->b_seen )
 390         {
 391             es_format_Clean( &tk->fmt );
 392             if( tk->es ) es_out_Del( p_demux->out, tk->es );
 393         }
 394     }
 395
 396     dvdnav_close( p_sys->dvdnav );
 397     free( p_sys );
 398 }
 399
 400 /*****************************************************************************
 401  * Control:
 402  *****************************************************************************/
 403 static int Control( demux_t *p_demux, int i_query, va_list args )
 404 {
 405     demux_sys_t *p_sys = p_demux->p_sys;
 406     double f, *pf;
 407     bool *pb;
 408     int64_t *pi64;
 409     input_title_t ***ppp_title;
 410     int          *pi_int;
 411     int i;
 412
 413     switch( i_query )
 414     {
 415         case DEMUX_SET_POSITION:
 416         case DEMUX_GET_POSITION:
 417         case DEMUX_GET_TIME:
 418         case DEMUX_GET_LENGTH:
 419         {
 420             uint32_t pos, len;
 421             if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) !=
 422                   DVDNAV_STATUS_OK || len == 0 )
 423             {
 424                 return VLC_EGENERIC;
 425             }
 426
 427             if( i_query == DEMUX_GET_POSITION )
 428             {
 429                 pf = (double*)va_arg( args, double* );
 430                 *pf = (double)pos / (double)len;
 431                 return VLC_SUCCESS;
 432             }
 433             else if( i_query == DEMUX_SET_POSITION )
 434             {
 435                 f = (double)va_arg( args, double );
 436                 pos = f * len;
 437                 if( dvdnav_sector_search( p_sys->dvdnav, pos, SEEK_SET ) ==
 438                       DVDNAV_STATUS_OK )
 439                 {
 440                     return VLC_SUCCESS;
 441                 }
 442             }
 443             else if( i_query == DEMUX_GET_TIME )
 444             {
 445                 pi64 = (int64_t*)va_arg( args, int64_t * );
 446                 if( p_sys->i_pgc_length > 0 )
 447                 {
 448                     *pi64 = p_sys->i_pgc_length * pos / len;
 449                     return VLC_SUCCESS;
 450                 }
 451             }
 452             else if( i_query == DEMUX_GET_LENGTH )
 453             {
 454                 pi64 = (int64_t*)va_arg( args, int64_t * );
 455                 if( p_sys->i_pgc_length > 0 )
 456                 {
 457                     *pi64 = (int64_t)p_sys->i_pgc_length;
 458                     return VLC_SUCCESS;
 459                 }
 460             }
 461
 462             return VLC_EGENERIC;
 463         }
 464
 465         /* Special for access_demux */
 466         case DEMUX_CAN_PAUSE:
 467         case DEMUX_CAN_SEEK:
 468         case DEMUX_CAN_CONTROL_PACE:
 469             /* TODO */
 470             pb = (bool*)va_arg( args, bool * );
 471             *pb = true;
 472             return VLC_SUCCESS;
 473
 474         case DEMUX_SET_PAUSE_STATE:
 475             return VLC_SUCCESS;
 476
 477         case DEMUX_GET_TITLE_INFO:
 478             ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
 479             pi_int    = (int*)va_arg( args, int* );
 480             *((int*)va_arg( args, int* )) = 0; /* Title offset */
 481             *((int*)va_arg( args, int* )) = 1; /* Chapter offset */
 482
 483             /* Duplicate title infos */
 484             *pi_int = p_sys->i_title;
 485             *ppp_title = malloc( sizeof( input_title_t ** ) * p_sys->i_title );
 486             for( i = 0; i < p_sys->i_title; i++ )
 487             {
 488                 (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->title[i] );
 489             }
 490             return VLC_SUCCESS;
 491
 492         case DEMUX_SET_TITLE:
 493             i = (int)va_arg( args, int );
 494             if( ( i == 0 && dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root )
 495                   != DVDNAV_STATUS_OK ) ||
 496                 ( i != 0 && dvdnav_title_play( p_sys->dvdnav, i )
 497                   != DVDNAV_STATUS_OK ) )
 498             {
 499                 msg_Warn( p_demux, "cannot set title/chapter" );
 500                 return VLC_EGENERIC;
 501             }
 502             p_demux->info.i_update |=
 503                 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
 504             p_demux->info.i_title = i;
 505             p_demux->info.i_seekpoint = 0;
 506             return VLC_SUCCESS;
 507
 508         case DEMUX_SET_SEEKPOINT:
 509             i = (int)va_arg( args, int );
 510             if( p_demux->info.i_title == 0 )
 511             {
 512                 int i_ret;
 513                 /* Special case */
 514                 switch( i )
 515                 {
 516                 case 0:
 517                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Escape );
 518                     break;
 519                 case 1:
 520                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root );
 521                     break;
 522                 case 2:
 523                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title );
 524                     break;
 525                 case 3:
 526                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Part );
 527                     break;
 528                 case 4:
 529                     i_ret = dvdnav_menu_call( p_sys->dvdnav,
 530                                               DVD_MENU_Subpicture );
 531                     break;
 532                 case 5:
 533                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Audio );
 534                     break;
 535                 case 6:
 536                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Angle );
 537                     break;
 538                 default:
 539                     return VLC_EGENERIC;
 540                 }
 541
 542                 if( i_ret != DVDNAV_STATUS_OK )
 543                     return VLC_EGENERIC;
 544             }
 545             else if( dvdnav_part_play( p_sys->dvdnav, p_demux->info.i_title,
 546                                        i + 1 ) != DVDNAV_STATUS_OK )
 547             {
 548                 msg_Warn( p_demux, "cannot set title/chapter" );
 549                 return VLC_EGENERIC;
 550             }
 551             p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 552             p_demux->info.i_seekpoint = i;
 553             return VLC_SUCCESS;
 554
 555         case DEMUX_GET_PTS_DELAY:
 556             pi64 = (int64_t*)va_arg( args, int64_t * );
 557             *pi64 = (int64_t)var_GetInteger( p_demux, "dvdnav-caching" ) *1000;
 558             return VLC_SUCCESS;
 559
 560         case DEMUX_GET_META:
 561         {
 562             const char *title_name = NULL;
 563
 564             dvdnav_get_title_string(p_sys->dvdnav, &title_name);
 565             if( (NULL != title_name) && ('\0' != title_name[0]) )
 566             {
 567                 vlc_meta_t *p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
 568                 vlc_meta_Set( p_meta, vlc_meta_Title, title_name );
 569                 return VLC_SUCCESS;
 570             }
 571             return VLC_EGENERIC;
 572         }
 573
 574         /* TODO implement others */
 575         default:
 576             return VLC_EGENERIC;
 577     }
 578 }
 579
 580 static int ControlInternal( demux_t *p_demux, int i_query, ... )
 581 {
 582     va_list args;
 583     int     i_result;
 584
 585     va_start( args, i_query );
 586     i_result = Control( p_demux, i_query, args );
 587     va_end( args );
 588
 589     return i_result;
 590 }
 591 /*****************************************************************************
 592  * Demux:
 593  *****************************************************************************/
 594 static int Demux( demux_t *p_demux )
 595 {
 596     demux_sys_t *p_sys = p_demux->p_sys;
 597
 598     uint8_t buffer[DVD_VIDEO_LB_LEN];
 599     uint8_t *packet = buffer;
 600     int i_event;
 601     int i_len;
 602
 603 #if DVD_READ_CACHE
 604     if( dvdnav_get_next_cache_block( p_sys->dvdnav, &packet, &i_event, &i_len )
 605         == DVDNAV_STATUS_ERR )
 606 #else
 607     if( dvdnav_get_next_block( p_sys->dvdnav, packet, &i_event, &i_len )
 608         == DVDNAV_STATUS_ERR )
 609 #endif
 610     {
 611         msg_Warn( p_demux, "cannot get next block (%s)",
 612                   dvdnav_err_to_string( p_sys->dvdnav ) );
 613         if( p_demux->info.i_title == 0 )
 614         {
 615             msg_Dbg( p_demux, "jumping to first title" );
 616             return ControlInternal( p_demux, DEMUX_SET_TITLE, 1 ) == VLC_SUCCESS ? 1 : -1;
 617         }
 618         return -1;
 619     }
 620
 621     switch( i_event )
 622     {
 623     case DVDNAV_BLOCK_OK:   /* mpeg block */
 624         p_sys->p_ev->b_still = false;
 625         if( p_sys->b_reset_pcr )
 626         {
 627             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 628             p_sys->b_reset_pcr = false;
 629         }
 630         DemuxBlock( p_demux, packet, i_len );
 631         break;
 632
 633     case DVDNAV_NOP:    /* Nothing */
 634         msg_Dbg( p_demux, "DVDNAV_NOP" );
 635         break;
 636
 637     case DVDNAV_STILL_FRAME:
 638     {
 639         dvdnav_still_event_t *event = (dvdnav_still_event_t*)packet;
 640         bool b_still_init = false;
 641
 642         vlc_mutex_lock( &p_sys->p_ev->lock );
 643         if( !p_sys->p_ev->b_still )
 644         {
 645             msg_Dbg( p_demux, "DVDNAV_STILL_FRAME" );
 646             msg_Dbg( p_demux, "     - length=0x%x", event->length );
 647             p_sys->p_ev->b_still = true;
 648             b_still_init = true;
 649             if( event->length == 0xff )
 650                 p_sys->p_ev->i_still_end = 0;
 651             else
 652                 p_sys->p_ev->i_still_end = mdate() +
 653                                            event->length * INT64_C(1000000);
 654         }
 655         vlc_mutex_unlock( &p_sys->p_ev->lock );
 656
 657         if( b_still_init )
 658         {
 659             /* We send a dummy mpeg2 end of sequence to force still frame display */
 660             static const uint8_t buffer[] = {
 661                 0x00, 0x00, 0x01, 0xe0, 0x00, 0x07,
 662                 0x80, 0x00, 0x00,
 663                 0x00, 0x00, 0x01, 0xB7,
 664             };
 665             DemuxBlock( p_demux, buffer, sizeof(buffer) );
 666
 667             bool b_empty;
 668             es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
 669             p_sys->b_reset_pcr = true;
 670         }
 671         msleep( 40000 );
 672         break;
 673     }
 674
 675     case DVDNAV_SPU_CLUT_CHANGE:
 676     {
 677         int i;
 678
 679         msg_Dbg( p_demux, "DVDNAV_SPU_CLUT_CHANGE" );
 680         /* Update color lookup table (16 *uint32_t in packet) */
 681         memcpy( p_sys->clut, packet, 16 * sizeof( uint32_t ) );
 682
 683         /* HACK to get the SPU tracks registered in the right order */
 684         for( i = 0; i < 0x1f; i++ )
 685         {
 686             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 687                 ESNew( p_demux, 0xbd20 + i );
 688         }
 689         /* END HACK */
 690         break;
 691     }
 692
 693     case DVDNAV_SPU_STREAM_CHANGE:
 694     {
 695         dvdnav_spu_stream_change_event_t *event =
 696             (dvdnav_spu_stream_change_event_t*)packet;
 697         int i;
 698
 699         msg_Dbg( p_demux, "DVDNAV_SPU_STREAM_CHANGE" );
 700         msg_Dbg( p_demux, "     - physical_wide=%d",
 701                  event->physical_wide );
 702         msg_Dbg( p_demux, "     - physical_letterbox=%d",
 703                  event->physical_letterbox);
 704         msg_Dbg( p_demux, "     - physical_pan_scan=%d",
 705                  event->physical_pan_scan );
 706
 707         ESSubtitleUpdate( p_demux );
 708         p_sys->b_spu_change = true;
 709
 710         /* HACK to get the SPU tracks registered in the right order */
 711         for( i = 0; i < 0x1f; i++ )
 712         {
 713             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 714                 ESNew( p_demux, 0xbd20 + i );
 715         }
 716         /* END HACK */
 717         break;
 718     }
 719
 720     case DVDNAV_AUDIO_STREAM_CHANGE:
 721     {
 722         dvdnav_audio_stream_change_event_t *event =
 723             (dvdnav_audio_stream_change_event_t*)packet;
 724         msg_Dbg( p_demux, "DVDNAV_AUDIO_STREAM_CHANGE" );
 725         msg_Dbg( p_demux, "     - physical=%d", event->physical );
 726         /* TODO */
 727         break;
 728     }
 729
 730     case DVDNAV_VTS_CHANGE:
 731     {
 732         int32_t i_title = 0;
 733         int32_t i_part  = 0;
 734         int i;
 735
 736         dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t*)packet;
 737         msg_Dbg( p_demux, "DVDNAV_VTS_CHANGE" );
 738         msg_Dbg( p_demux, "     - vtsN=%d", event->new_vtsN );
 739         msg_Dbg( p_demux, "     - domain=%d", event->new_domain );
 740
 741         /* dvdnav_get_video_aspect / dvdnav_get_video_scale_permission */
 742         /* TODO check if we always have VTS and CELL */
 743         p_sys->i_aspect = dvdnav_get_video_aspect( p_sys->dvdnav );
 744
 745         /* reset PCR */
 746         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 747
 748         for( i = 0; i < PS_TK_COUNT; i++ )
 749         {
 750             ps_track_t *tk = &p_sys->tk[i];
 751             if( tk->b_seen )
 752             {
 753                 es_format_Clean( &tk->fmt );
 754                 if( tk->es ) es_out_Del( p_demux->out, tk->es );
 755             }
 756             tk->b_seen = false;
 757         }
 758
 759         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 760                                        &i_part ) == DVDNAV_STATUS_OK )
 761         {
 762             if( i_title >= 0 && i_title < p_sys->i_title &&
 763                 p_demux->info.i_title != i_title )
 764             {
 765                 p_demux->info.i_update |= INPUT_UPDATE_TITLE;
 766                 p_demux->info.i_title = i_title;
 767             }
 768         }
 769         break;
 770     }
 771
 772     case DVDNAV_CELL_CHANGE:
 773     {
 774         int32_t i_title = 0;
 775         int32_t i_part  = 0;
 776
 777         dvdnav_cell_change_event_t *event =
 778             (dvdnav_cell_change_event_t*)packet;
 779         msg_Dbg( p_demux, "DVDNAV_CELL_CHANGE" );
 780         msg_Dbg( p_demux, "     - cellN=%d", event->cellN );
 781         msg_Dbg( p_demux, "     - pgN=%d", event->pgN );
 782         msg_Dbg( p_demux, "     - cell_length=%"PRId64, event->cell_length );
 783         msg_Dbg( p_demux, "     - pg_length=%"PRId64, event->pg_length );
 784         msg_Dbg( p_demux, "     - pgc_length=%"PRId64, event->pgc_length );
 785         msg_Dbg( p_demux, "     - cell_start=%"PRId64, event->cell_start );
 786         msg_Dbg( p_demux, "     - pg_start=%"PRId64, event->pg_start );
 787
 788         /* Store the lenght in time of the current PGC */
 789         p_sys->i_pgc_length = event->pgc_length / 90 * 1000;
 790
 791         /* FIXME is it correct or there is better way to know chapter change */
 792         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 793                                        &i_part ) == DVDNAV_STATUS_OK )
 794         {
 795             if( i_title >= 0 && i_title < p_sys->i_title &&
 796                 i_part >= 1 && i_part <= p_sys->title[i_title]->i_seekpoint &&
 797                 p_demux->info.i_seekpoint != i_part - 1 )
 798             {
 799                 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 800                 p_demux->info.i_seekpoint = i_part - 1;
 801             }
 802         }
 803         break;
 804     }
 805
 806     case DVDNAV_NAV_PACKET:
 807     {
 808 #ifdef DVDNAV_DEBUG
 809         msg_Dbg( p_demux, "DVDNAV_NAV_PACKET" );
 810 #endif
 811         /* A lot of thing to do here :
 812          *  - handle packet
 813          *  - fetch pts (for time display)
 814          *  - ...
 815          */
 816         DemuxBlock( p_demux, packet, i_len );
 817         if( p_sys->b_spu_change )
 818         {
 819             ButtonUpdate( p_demux, false );
 820             p_sys->b_spu_change = false;
 821         }
 822         break;
 823     }
 824
 825     case DVDNAV_STOP:   /* EOF */
 826         msg_Dbg( p_demux, "DVDNAV_STOP" );
 827
 828 #if DVD_READ_CACHE
 829         dvdnav_free_cache_block( p_sys->dvdnav, packet );
 830 #endif
 831         return 0;
 832
 833     case DVDNAV_HIGHLIGHT:
 834     {
 835         dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t*)packet;
 836         msg_Dbg( p_demux, "DVDNAV_HIGHLIGHT" );
 837         msg_Dbg( p_demux, "     - display=%d", event->display );
 838         msg_Dbg( p_demux, "     - buttonN=%d", event->buttonN );
 839         ButtonUpdate( p_demux, false );
 840         break;
 841     }
 842
 843     case DVDNAV_HOP_CHANNEL:
 844         msg_Dbg( p_demux, "DVDNAV_HOP_CHANNEL" );
 845         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 846         break;
 847
 848     case DVDNAV_WAIT:
 849         msg_Dbg( p_demux, "DVDNAV_WAIT" );
 850
 851         bool b_empty;
 852         es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
 853         if( !b_empty )
 854         {
 855             msleep( 40*1000 );
 856         }
 857         else
 858         {
 859             dvdnav_wait_skip( p_sys->dvdnav );
 860             p_sys->b_reset_pcr = true;
 861         }
 862         break;
 863
 864     default:
 865         msg_Warn( p_demux, "Unknown event (0x%x)", i_event );
 866         break;
 867     }
 868
 869 #if DVD_READ_CACHE
 870     dvdnav_free_cache_block( p_sys->dvdnav, packet );
 871 #endif
 872
 873     return 1;
 874 }
 875
 876 /* Get a 2 char code
 877  * FIXME: partiallyy duplicated from src/input/es_out.c
 878  */
 879 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var )
 880 {
 881     const iso639_lang_t *pl;
 882     char *psz_lang;
 883     char *p;
 884
 885     psz_lang = var_CreateGetString( p_demux, psz_var );
 886     if( !psz_lang )
 887         return strdup(LANGUAGE_DEFAULT);
 888
 889     /* XXX: we will use only the first value
 890      * (and ignore other ones in case of a list) */
 891     if( ( p = strchr( psz_lang, ',' ) ) )
 892         *p = '\0';
 893
 894     for( pl = p_languages; pl->psz_iso639_1 != NULL; pl++ )
 895     {
 896         if( *psz_lang == '\0' )
 897             continue;
 898         if( !strcasecmp( pl->psz_eng_name, psz_lang ) ||
 899             !strcasecmp( pl->psz_native_name, psz_lang ) ||
 900             !strcasecmp( pl->psz_iso639_1, psz_lang ) ||
 901             !strcasecmp( pl->psz_iso639_2T, psz_lang ) ||
 902             !strcasecmp( pl->psz_iso639_2B, psz_lang ) )
 903             break;
 904     }
 905
 906     free( psz_lang );
 907
 908     if( pl->psz_iso639_1 != NULL )
 909         return strdup( pl->psz_iso639_1 );
 910
 911     return strdup(LANGUAGE_DEFAULT);
 912 }
 913
 914 static void DemuxTitles( demux_t *p_demux )
 915 {
 916     demux_sys_t *p_sys = p_demux->p_sys;
 917     input_title_t *t;
 918     seekpoint_t *s;
 919     int32_t i_titles;
 920     int i;
 921
 922     /* Menu */
 923     t = vlc_input_title_New();
 924     t->b_menu = true;
 925     t->psz_name = strdup( "DVD Menu" );
 926
 927     s = vlc_seekpoint_New();
 928     s->psz_name = strdup( "Resume" );
 929     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 930
 931     s = vlc_seekpoint_New();
 932     s->psz_name = strdup( "Root" );
 933     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 934
 935     s = vlc_seekpoint_New();
 936     s->psz_name = strdup( "Title" );
 937     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 938
 939     s = vlc_seekpoint_New();
 940     s->psz_name = strdup( "Chapter" );
 941     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 942
 943     s = vlc_seekpoint_New();
 944     s->psz_name = strdup( "Subtitle" );
 945     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 946
 947     s = vlc_seekpoint_New();
 948     s->psz_name = strdup( "Audio" );
 949     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 950
 951     s = vlc_seekpoint_New();
 952     s->psz_name = strdup( "Angle" );
 953     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 954
 955     TAB_APPEND( p_sys->i_title, p_sys->title, t );
 956
 957     /* Find out number of titles/chapters */
 958     dvdnav_get_number_of_titles( p_sys->dvdnav, &i_titles );
 959     for( i = 1; i <= i_titles; i++ )
 960     {
 961         int32_t i_chapters = 0;
 962         int j;
 963
 964         dvdnav_get_number_of_parts( p_sys->dvdnav, i, &i_chapters );
 965
 966         t = vlc_input_title_New();
 967         for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
 968         {
 969             s = vlc_seekpoint_New();
 970             TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 971         }
 972
 973         TAB_APPEND( p_sys->i_title, p_sys->title, t );
 974     }
 975 }
 976
 977 /*****************************************************************************
 978  * Update functions:
 979  *****************************************************************************/
 980 static void ButtonUpdate( demux_t *p_demux, bool b_mode )
 981 {
 982     demux_sys_t *p_sys = p_demux->p_sys;
 983     vlc_value_t val;
 984     int32_t i_title, i_part;
 985
 986     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
 987
 988     if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
 989     {
 990         vlc_mutex_t *p_mutex = val.p_address;
 991         dvdnav_highlight_area_t hl;
 992         int32_t i_button;
 993         bool    b_button_ok;
 994
 995         if( dvdnav_get_current_highlight( p_sys->dvdnav, &i_button )
 996             != DVDNAV_STATUS_OK )
 997         {
 998             msg_Err( p_demux, "dvdnav_get_current_highlight failed" );
 999             return;
1000         }
1001
1002         b_button_ok = false;
1003         if( i_button > 0 && i_title ==  0 )
1004         {
1005             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1006
1007             b_button_ok = dvdnav_get_highlight_area( pci, i_button, b_mode, &hl ) == DVDNAV_STATUS_OK;
1008         }
1009         if( b_button_ok )
1010         {
1011             int i;
1012             for( i = 0; i < 4; i++ )
1013             {
1014                 uint32_t i_yuv = p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
1015                 uint8_t i_alpha = ( (hl.palette>>(i*4))&0x0f ) * 0xff / 0xf;
1016
1017                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
1018                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
1019                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
1020                 p_sys->palette[i][3] = i_alpha;
1021             }
1022
1023             vlc_mutex_lock( p_mutex );
1024             val.i_int = hl.sx; var_Set( p_sys->p_input, "x-start", val );
1025             val.i_int = hl.ex; var_Set( p_sys->p_input, "x-end", val );
1026             val.i_int = hl.sy; var_Set( p_sys->p_input, "y-start", val );
1027             val.i_int = hl.ey; var_Set( p_sys->p_input, "y-end", val );
1028
1029             val.p_address = (void *)p_sys->palette;
1030             var_Set( p_sys->p_input, "menu-palette", val );
1031
1032             val.b_bool = true; var_Set( p_sys->p_input, "highlight", val );
1033             vlc_mutex_unlock( p_mutex );
1034
1035             msg_Dbg( p_demux, "buttonUpdate %d", i_button );
1036         }
1037         else
1038         {
1039             msg_Dbg( p_demux, "buttonUpdate not done b=%d t=%d",
1040                      i_button, i_title );
1041
1042             /* Show all */
1043             vlc_mutex_lock( p_mutex );
1044             val.b_bool = false;
1045             var_Set( p_sys->p_input, "highlight", val );
1046             vlc_mutex_unlock( p_mutex );
1047         }
1048     }
1049 }
1050
1051 static void ESSubtitleUpdate( demux_t *p_demux )
1052 {
1053     demux_sys_t *p_sys = p_demux->p_sys;
1054     int         i_spu = dvdnav_get_active_spu_stream( p_sys->dvdnav );
1055     int32_t i_title, i_part;
1056
1057     ButtonUpdate( p_demux, false );
1058
1059     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1060     if( i_title > 0 ) return;
1061
1062     if( i_spu >= 0 && i_spu <= 0x1f )
1063     {
1064         ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1065
1066         ESNew( p_demux, 0xbd20 + i_spu );
1067
1068         /* be sure to unselect it (reset) */
1069         es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1070                         (bool)false );
1071
1072         /* now select it */
1073         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1074     }
1075     else
1076     {
1077         for( i_spu = 0; i_spu <= 0x1F; i_spu++ )
1078         {
1079             ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1080             if( tk->b_seen )
1081             {
1082                 es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1083                                 (bool)false );
1084             }
1085         }
1086     }
1087 }
1088
1089 /*****************************************************************************
1090  * DemuxBlock: demux a given block
1091  *****************************************************************************/
1092 static int DemuxBlock( demux_t *p_demux, const uint8_t *pkt, int i_pkt )
1093 {
1094     demux_sys_t *p_sys = p_demux->p_sys;
1095     const uint8_t     *p = pkt;
1096
1097     while( p < &pkt[i_pkt] )
1098     {
1099         int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
1100         block_t *p_pkt;
1101         if( i_size <= 0 )
1102         {
1103             break;
1104         }
1105
1106         /* Create a block */
1107         p_pkt = block_New( p_demux, i_size );
1108         memcpy( p_pkt->p_buffer, p, i_size);
1109
1110         /* Parse it and send it */
1111         switch( 0x100 | p[3] )
1112         {
1113         case 0x1b9:
1114         case 0x1bb:
1115         case 0x1bc:
1116 #ifdef DVDNAV_DEBUG
1117             if( p[3] == 0xbc )
1118             {
1119                 msg_Warn( p_demux, "received a PSM packet" );
1120             }
1121             else if( p[3] == 0xbb )
1122             {
1123                 msg_Warn( p_demux, "received a SYSTEM packet" );
1124             }
1125 #endif
1126             block_Release( p_pkt );
1127             break;
1128
1129         case 0x1ba:
1130         {
1131             int64_t i_scr;
1132             int i_mux_rate;
1133             if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
1134             {
1135                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr + 1 );
1136                 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
1137             }
1138             block_Release( p_pkt );
1139             break;
1140         }
1141         default:
1142         {
1143             int i_id = ps_pkt_id( p_pkt );
1144             if( i_id >= 0xc0 )
1145             {
1146                 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1147
1148                 if( !tk->b_seen )
1149                 {
1150                     ESNew( p_demux, i_id );
1151                 }
1152                 if( tk->b_seen && tk->es &&
1153                     !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
1154                 {
1155                     es_out_Send( p_demux->out, tk->es, p_pkt );
1156                 }
1157                 else
1158                 {
1159                     block_Release( p_pkt );
1160                 }
1161             }
1162             else
1163             {
1164                 block_Release( p_pkt );
1165             }
1166             break;
1167         }
1168         }
1169
1170         p += i_size;
1171     }
1172
1173     return VLC_SUCCESS;
1174 }
1175
1176 /*****************************************************************************
1177  * ESNew: register a new elementary stream
1178  *****************************************************************************/
1179 static void ESNew( demux_t *p_demux, int i_id )
1180 {
1181     demux_sys_t *p_sys = p_demux->p_sys;
1182     ps_track_t  *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1183     bool  b_select = false;
1184
1185     if( tk->b_seen ) return;
1186
1187     if( ps_track_fill( tk, 0, i_id ) )
1188     {
1189         msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
1190         return;
1191     }
1192
1193     /* Add a new ES */
1194     if( tk->fmt.i_cat == VIDEO_ES )
1195     {
1196         switch( p_sys->i_aspect )
1197         {
1198         case 1: tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR; break;
1199         case 2: tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * 4 / 3; break;
1200         case 3: tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * 16 / 9; break;
1201         case 4: tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * 221 / 10; break;
1202         default:
1203             tk->fmt.video.i_aspect = 0;
1204             break;
1205         }
1206         b_select = true;
1207     }
1208     else if( tk->fmt.i_cat == AUDIO_ES )
1209     {
1210         int i_audio = -1;
1211         /* find the audio number PLEASE find another way */
1212         if( (i_id&0xbdf8) == 0xbd88 )       /* dts */
1213         {
1214             i_audio = i_id&0x07;
1215         }
1216         else if( (i_id&0xbdf0) == 0xbd80 )  /* a52 */
1217         {
1218             i_audio = i_id&0xf;
1219         }
1220         else if( (i_id&0xbdf0) == 0xbda0 )  /* lpcm */
1221         {
1222             i_audio = i_id&0x1f;
1223         }
1224         else if( ( i_id&0xe0 ) == 0xc0 )    /* mpga */
1225         {
1226             i_audio = i_id&0x1f;
1227         }
1228         if( i_audio >= 0 )
1229         {
1230             int i_lang = dvdnav_audio_stream_to_lang( p_sys->dvdnav, i_audio );
1231             if( i_lang != 0xffff )
1232             {
1233                 tk->fmt.psz_language = malloc( 3 );
1234                 tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1235                 tk->fmt.psz_language[1] = (i_lang     )&0xff;
1236                 tk->fmt.psz_language[2] = 0;
1237             }
1238             if( dvdnav_get_active_audio_stream( p_sys->dvdnav ) == i_audio )
1239             {
1240                 b_select = true;
1241             }
1242         }
1243     }
1244     else if( tk->fmt.i_cat == SPU_ES )
1245     {
1246         int32_t i_title, i_part;
1247         int i_lang = dvdnav_spu_stream_to_lang( p_sys->dvdnav, i_id&0x1f );
1248         if( i_lang != 0xffff )
1249         {
1250             tk->fmt.psz_language = malloc( 3 );
1251             tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1252             tk->fmt.psz_language[1] = (i_lang     )&0xff;
1253             tk->fmt.psz_language[2] = 0;
1254         }
1255
1256         /* Palette */
1257         tk->fmt.subs.spu.palette[0] = 0xBeef;
1258         memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
1259                 16 * sizeof( uint32_t ) );
1260
1261         /* We select only when we are not in the menu */
1262         dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1263         if( i_title > 0 &&
1264             dvdnav_get_active_spu_stream( p_sys->dvdnav ) == (i_id&0x1f) )
1265         {
1266             b_select = true;
1267         }
1268     }
1269
1270     tk->es = es_out_Add( p_demux->out, &tk->fmt );
1271     if( b_select )
1272     {
1273         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1274     }
1275     tk->b_seen = true;
1276
1277     if( tk->fmt.i_cat == VIDEO_ES ) ButtonUpdate( p_demux, false );
1278 }
1279
1280 /*****************************************************************************
1281  * Event handler code
1282  *****************************************************************************/
1283 static int  EventMouse( vlc_object_t *, char const *,
1284                         vlc_value_t, vlc_value_t, void * );
1285 static int  EventKey  ( vlc_object_t *, char const *,
1286                         vlc_value_t, vlc_value_t, void * );
1287
1288 static void* EventThread( vlc_object_t *p_this )
1289 {
1290     event_thread_t *p_ev = (event_thread_t*)p_this;
1291     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
1292     vlc_object_t   *p_vout = NULL;
1293
1294     vlc_mutex_init( &p_ev->lock );
1295     p_ev->b_moved   = false;
1296     p_ev->b_clicked = false;
1297     p_ev->i_key_action = 0;
1298     p_ev->b_still   = false;
1299
1300     int canc = vlc_savecancel ();
1301
1302     /* catch all key event */
1303     var_AddCallback( p_ev->p_libvlc, "key-action", EventKey, p_ev );
1304
1305     /* main loop */
1306     while( vlc_object_alive( p_ev ) )
1307     {
1308         bool b_activated = false;
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                 b_activated = true;
1332                 ButtonUpdate( p_ev->p_demux, true );
1333                 dvdnav_button_activate( p_sys->dvdnav, pci );
1334                 break;
1335             default:
1336                 break;
1337             }
1338             p_ev->i_key_action = 0;
1339             vlc_mutex_unlock( &p_ev->lock );
1340         }
1341
1342         /* VOUT part */
1343         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
1344         {
1345             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1346             vlc_value_t valx, valy;
1347
1348             vlc_mutex_lock( &p_ev->lock );
1349             var_Get( p_vout, "mouse-x", &valx );
1350             var_Get( p_vout, "mouse-y", &valy );
1351
1352             if( p_ev->b_moved )
1353             {
1354                 dvdnav_mouse_select( p_sys->dvdnav, pci, valx.i_int,
1355                                      valy.i_int );
1356             }
1357             if( p_ev->b_clicked )
1358             {
1359                 b_activated = true;
1360                 ButtonUpdate( p_ev->p_demux, true );
1361                 dvdnav_mouse_activate( p_sys->dvdnav, pci, valx.i_int,
1362                                        valy.i_int );
1363             }
1364
1365             p_ev->b_moved = false;
1366             p_ev->b_clicked = false;
1367             vlc_mutex_unlock( &p_ev->lock );
1368         }
1369         if( p_vout && !vlc_object_alive (p_vout) )
1370         {
1371             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1372             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1373             vlc_object_release( p_vout );
1374             p_vout = NULL;
1375         }
1376         if( p_vout == NULL )
1377         {
1378             p_vout = vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
1379                                       FIND_CHILD );
1380             if( p_vout)
1381             {
1382                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1383                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1384             }
1385         }
1386
1387         /* Still part */
1388         vlc_mutex_lock( &p_ev->lock );
1389         if( p_ev->b_still )
1390         {
1391             if( /* b_activated || // This breaks menus */
1392                 ( p_ev->i_still_end > 0 && p_ev->i_still_end < mdate() ))
1393             {
1394                 p_ev->b_still = false;
1395                 dvdnav_still_skip( p_sys->dvdnav );
1396             }
1397         }
1398         vlc_mutex_unlock( &p_ev->lock );
1399
1400         /* Wait a bit */
1401         msleep( 10000 );
1402     }
1403
1404     /* Release callback */
1405     if( p_vout )
1406     {
1407         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1408         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1409         vlc_object_release( p_vout );
1410     }
1411     var_DelCallback( p_ev->p_libvlc, "key-action", EventKey, p_ev );
1412     vlc_restorecancel (canc);
1413     vlc_mutex_destroy( &p_ev->lock );
1414
1415     return NULL;
1416 }
1417
1418 static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1419                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
1420 {
1421     (void)p_this;    (void)oldval;    (void)newval;    (void)p_data;
1422     event_thread_t *p_ev = p_data;
1423     vlc_mutex_lock( &p_ev->lock );
1424     if( psz_var[6] == 'c' )
1425         p_ev->b_clicked = true;
1426     else if( psz_var[6] == 'm' )
1427         p_ev->b_moved = true;
1428     vlc_mutex_unlock( &p_ev->lock );
1429
1430     return VLC_SUCCESS;
1431 }
1432
1433 static int EventKey( vlc_object_t *p_this, char const *psz_var,
1434                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
1435 {
1436     (void)p_this;    (void)psz_var;    (void)oldval;
1437     event_thread_t *p_ev = p_data;
1438     vlc_mutex_lock( &p_ev->lock );
1439     p_ev->i_key_action = newval.i_int;
1440     vlc_mutex_unlock( &p_ev->lock );
1441
1442     return VLC_SUCCESS;
1443 }
1444
1445 /*****************************************************************************
1446  * ProbeDVD: very weak probing that avoids going too often into a dvdnav_open()
1447  *****************************************************************************/
1448 static int ProbeDVD( demux_t *p_demux, char *psz_name )
1449 {
1450     (void)p_demux;
1451 #ifdef HAVE_SYS_STAT_H
1452     struct stat stat_info;
1453     uint8_t pi_anchor[2];
1454     int i_fd, i_ret;
1455
1456     if( !*psz_name )
1457     {
1458         /* Triggers libdvdcss autodetection */
1459         return VLC_SUCCESS;
1460     }
1461
1462     if( !strcmp( psz_name, "-" ) ) /* stdin -> file access */
1463         return VLC_EGENERIC;
1464
1465     if( (i_fd = utf8_open( psz_name, O_RDONLY |O_NONBLOCK, 0666 )) == -1 )
1466     {
1467         return VLC_SUCCESS; /* Let dvdnav_open() do the probing */
1468     }
1469
1470     if( fstat( i_fd, &stat_info ) || !S_ISREG( stat_info.st_mode ) )
1471     {
1472         close( i_fd );
1473
1474         if( S_ISFIFO( stat_info.st_mode ) )
1475             return VLC_EGENERIC;
1476         return VLC_SUCCESS; /* Let dvdnav_open() do the probing */
1477     }
1478
1479     /* Try to find the anchor (2 bytes at LBA 256) */
1480     i_ret = VLC_EGENERIC;
1481     if( lseek( i_fd, 256 * DVD_VIDEO_LB_LEN, SEEK_SET ) != -1
1482      && read( i_fd, pi_anchor, 2 ) == 2
1483      && GetWLE( pi_anchor ) == 2 )
1484         i_ret = VLC_SUCCESS; /* Found a potential anchor */
1485
1486     close( i_fd );
1487
1488     return i_ret;
1489 #else
1490
1491     return VLC_SUCCESS;
1492 #endif
1493 }