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_interface.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     set_callbacks( Open, Close );
 101 vlc_module_end();
 102
 103 /* Shall we use libdvdnav's read ahead cache? */
 104 #define DVD_READ_CACHE 1
 105
 106 /*****************************************************************************
 107  * Local prototypes
 108  *****************************************************************************/
 109 typedef struct
 110 {
 111     VLC_COMMON_MEMBERS
 112
 113     demux_t        *p_demux;
 114     vlc_mutex_t     lock;
 115
 116     bool      b_moved;
 117     bool      b_clicked;
 118     int             i_key_action;
 119
 120     bool      b_still;
 121     int64_t         i_still_end;
 122
 123 } event_thread_t;
 124
 125 static void* EventThread( vlc_object_t * );
 126
 127 struct demux_sys_t
 128 {
 129     dvdnav_t    *dvdnav;
 130
 131     /* track */
 132     ps_track_t  tk[PS_TK_COUNT];
 133     int         i_mux_rate;
 134
 135     /* for spu variables */
 136     input_thread_t *p_input;
 137
 138     /* event */
 139     event_thread_t *p_ev;
 140
 141     /* palette for menus */
 142     uint32_t clut[16];
 143     uint8_t  palette[4][4];
 144     bool b_spu_change;
 145
 146     /* */
 147     int i_aspect;
 148
 149     int           i_title;
 150     input_title_t **title;
 151
 152     /* lenght of program group chain */
 153     mtime_t     i_pgc_length;
 154 };
 155
 156 static int Control( demux_t *, int, va_list );
 157 static int Demux( demux_t * );
 158 static int DemuxBlock( demux_t *, const uint8_t *, int );
 159
 160 static void DemuxTitles( demux_t * );
 161 static void ESSubtitleUpdate( demux_t * );
 162 static void ButtonUpdate( demux_t *, bool );
 163
 164 static void ESNew( demux_t *, int );
 165 static int ProbeDVD( demux_t *, char * );
 166
 167 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var );
 168
 169 /*****************************************************************************
 170  * DemuxOpen:
 171  *****************************************************************************/
 172 static int Open( vlc_object_t *p_this )
 173 {
 174     demux_t     *p_demux = (demux_t*)p_this;
 175     demux_sys_t *p_sys;
 176     dvdnav_t    *p_dvdnav;
 177     int         i_angle;
 178     char        *psz_name;
 179     char        *psz_code;
 180     vlc_value_t val;
 181
 182     if( !p_demux->psz_path || !*p_demux->psz_path )
 183     {
 184         /* Only when selected */
 185         if( !p_this->b_force ) return VLC_EGENERIC;
 186
 187         psz_name = var_CreateGetString( p_this, "dvd" );
 188         if( !psz_name )
 189         {
 190             psz_name = strdup("");
 191         }
 192     }
 193     else
 194         psz_name = ToLocaleDup( p_demux->psz_path );
 195
 196 #ifdef WIN32
 197     if( psz_name[0] && psz_name[1] == ':' &&
 198         psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
 199 #endif
 200
 201     /* Try some simple probing to avoid going through dvdnav_open too often */
 202     if( ProbeDVD( p_demux, psz_name ) != VLC_SUCCESS )
 203     {
 204         free( psz_name );
 205         return VLC_EGENERIC;
 206     }
 207
 208     /* Open dvdnav */
 209     if( dvdnav_open( &p_dvdnav, psz_name ) != DVDNAV_STATUS_OK )
 210     {
 211         msg_Warn( p_demux, "cannot open dvdnav" );
 212         free( psz_name );
 213         return VLC_EGENERIC;
 214     }
 215     free( psz_name );
 216
 217     /* Fill p_demux field */
 218     DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
 219     p_sys->dvdnav = p_dvdnav;
 220
 221     ps_track_init( p_sys->tk );
 222     p_sys->i_aspect = -1;
 223     p_sys->i_mux_rate = 0;
 224     p_sys->i_pgc_length = 0;
 225     p_sys->b_spu_change = false;
 226
 227     if( 1 )
 228     {
 229         // Hack for libdvdnav CVS.
 230         // Without it dvdnav_get_number_of_titles() fails.
 231         // Remove when fixed in libdvdnav CVS.
 232         uint8_t buffer[DVD_VIDEO_LB_LEN];
 233         int i_event, i_len;
 234
 235         if( dvdnav_get_next_block( p_sys->dvdnav, buffer, &i_event, &i_len )
 236               == DVDNAV_STATUS_ERR )
 237         {
 238             msg_Warn( p_demux, "dvdnav_get_next_block failed" );
 239         }
 240
 241         dvdnav_sector_search( p_sys->dvdnav, 0, SEEK_SET );
 242     }
 243
 244     /* Configure dvdnav */
 245     if( dvdnav_set_readahead_flag( p_sys->dvdnav, DVD_READ_CACHE ) !=
 246           DVDNAV_STATUS_OK )
 247     {
 248         msg_Warn( p_demux, "cannot set read-a-head flag" );
 249     }
 250
 251     if( dvdnav_set_PGC_positioning_flag( p_sys->dvdnav, 1 ) !=
 252           DVDNAV_STATUS_OK )
 253     {
 254         msg_Warn( p_demux, "cannot set PGC positioning flag" );
 255     }
 256
 257     /* Set menu language ("en")
 258      * XXX: maybe it would be better to set it like audio/spu
 259      * or to create a --menu-language option */
 260     if( dvdnav_menu_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT ) !=
 261         DVDNAV_STATUS_OK )
 262     {
 263         msg_Warn( p_demux, "can't set menu language to '%s' (%s)",
 264                   LANGUAGE_DEFAULT, dvdnav_err_to_string( p_sys->dvdnav ) );
 265     }
 266
 267     /* Set audio language */
 268     psz_code = DemuxGetLanguageCode( p_demux, "audio-language" );
 269     if( dvdnav_audio_language_select( p_sys->dvdnav, psz_code ) !=
 270         DVDNAV_STATUS_OK )
 271     {
 272         msg_Warn( p_demux, "can't set audio language to '%s' (%s)",
 273                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 274         /* We try to fall back to 'en' */
 275         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 276             dvdnav_audio_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 277     }
 278     free( psz_code );
 279
 280     /* Set spu language */
 281     psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
 282     if( dvdnav_spu_language_select( p_sys->dvdnav, psz_code ) !=
 283         DVDNAV_STATUS_OK )
 284     {
 285         msg_Warn( p_demux, "can't set spu language to '%s' (%s)",
 286                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 287         /* We try to fall back to 'en' */
 288         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 289             dvdnav_spu_language_select(p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 290     }
 291     free( psz_code );
 292
 293     DemuxTitles( p_demux );
 294
 295     var_Create( p_demux, "dvdnav-menu", VLC_VAR_BOOL|VLC_VAR_DOINHERIT );
 296     var_Get( p_demux, "dvdnav-menu", &val );
 297     if( val.b_bool )
 298     {
 299         msg_Dbg( p_demux, "trying to go to dvd menu" );
 300
 301         if( dvdnav_title_play( p_sys->dvdnav, 1 ) != DVDNAV_STATUS_OK )
 302         {
 303             msg_Err( p_demux, "cannot set title (can't decrypt DVD?)" );
 304             intf_UserFatal( p_demux, false, _("Playback failure"),
 305                             _("VLC cannot set the DVD's title. It possibly "
 306                               "cannot decrypt the entire disk.") );
 307             dvdnav_close( p_sys->dvdnav );
 308             free( p_sys );
 309             return VLC_EGENERIC;
 310         }
 311
 312         if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title ) !=
 313             DVDNAV_STATUS_OK )
 314         {
 315             /* Try going to menu root */
 316             if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root ) !=
 317                 DVDNAV_STATUS_OK )
 318                     msg_Warn( p_demux, "cannot go to dvd menu" );
 319         }
 320     }
 321
 322     var_Create( p_demux, "dvdnav-angle", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 323     var_Get( p_demux, "dvdnav-angle", &val );
 324     i_angle = val.i_int > 0 ? val.i_int : 1;
 325
 326     /* Update default_pts to a suitable value for dvdnav access */
 327     var_Create( p_demux, "dvdnav-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 328
 329     /* FIXME hack hack hack hack FIXME */
 330     /* Get p_input and create variable */
 331     p_sys->p_input = vlc_object_find( p_demux, VLC_OBJECT_INPUT, FIND_PARENT );
 332     var_Create( p_sys->p_input, "x-start", VLC_VAR_INTEGER );
 333     var_Create( p_sys->p_input, "y-start", VLC_VAR_INTEGER );
 334     var_Create( p_sys->p_input, "x-end", VLC_VAR_INTEGER );
 335     var_Create( p_sys->p_input, "y-end", VLC_VAR_INTEGER );
 336     var_Create( p_sys->p_input, "color", VLC_VAR_ADDRESS );
 337     var_Create( p_sys->p_input, "menu-palette", VLC_VAR_ADDRESS );
 338     var_Create( p_sys->p_input, "highlight", VLC_VAR_BOOL );
 339     var_Create( p_sys->p_input, "highlight-mutex", VLC_VAR_MUTEX );
 340
 341     /* Now create our event thread catcher */
 342     p_sys->p_ev = vlc_object_create( p_demux, sizeof( event_thread_t ) );
 343     p_sys->p_ev->p_demux = p_demux;
 344     vlc_thread_create( p_sys->p_ev, "dvdnav event thread handler", EventThread,
 345                        VLC_THREAD_PRIORITY_LOW, false );
 346
 347     return VLC_SUCCESS;
 348 }
 349
 350 /*****************************************************************************
 351  * Close:
 352  *****************************************************************************/
 353 static void Close( vlc_object_t *p_this )
 354 {
 355     demux_t     *p_demux = (demux_t*)p_this;
 356     demux_sys_t *p_sys = p_demux->p_sys;
 357     int i;
 358
 359     /* stop the event handler */
 360     vlc_object_kill( p_sys->p_ev );
 361     vlc_thread_join( p_sys->p_ev );
 362     vlc_object_release( p_sys->p_ev );
 363
 364     var_Destroy( p_sys->p_input, "highlight-mutex" );
 365     var_Destroy( p_sys->p_input, "highlight" );
 366     var_Destroy( p_sys->p_input, "x-start" );
 367     var_Destroy( p_sys->p_input, "x-end" );
 368     var_Destroy( p_sys->p_input, "y-start" );
 369     var_Destroy( p_sys->p_input, "y-end" );
 370     var_Destroy( p_sys->p_input, "color" );
 371     var_Destroy( p_sys->p_input, "menu-palette" );
 372
 373     vlc_object_release( p_sys->p_input );
 374
 375     for( i = 0; i < PS_TK_COUNT; i++ )
 376     {
 377         ps_track_t *tk = &p_sys->tk[i];
 378         if( tk->b_seen )
 379         {
 380             es_format_Clean( &tk->fmt );
 381             if( tk->es ) es_out_Del( p_demux->out, tk->es );
 382         }
 383     }
 384
 385     dvdnav_close( p_sys->dvdnav );
 386     free( p_sys );
 387 }
 388
 389 /*****************************************************************************
 390  * Control:
 391  *****************************************************************************/
 392 static int Control( demux_t *p_demux, int i_query, va_list args )
 393 {
 394     demux_sys_t *p_sys = p_demux->p_sys;
 395     double f, *pf;
 396     bool *pb;
 397     int64_t *pi64;
 398     input_title_t ***ppp_title;
 399     int          *pi_int;
 400     int i;
 401
 402     switch( i_query )
 403     {
 404         case DEMUX_SET_POSITION:
 405         case DEMUX_GET_POSITION:
 406         case DEMUX_GET_TIME:
 407         case DEMUX_GET_LENGTH:
 408         {
 409             uint32_t pos, len;
 410             if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) !=
 411                   DVDNAV_STATUS_OK || len == 0 )
 412             {
 413                 return VLC_EGENERIC;
 414             }
 415
 416             if( i_query == DEMUX_GET_POSITION )
 417             {
 418                 pf = (double*)va_arg( args, double* );
 419                 *pf = (double)pos / (double)len;
 420                 return VLC_SUCCESS;
 421             }
 422             else if( i_query == DEMUX_SET_POSITION )
 423             {
 424                 f = (double)va_arg( args, double );
 425                 pos = f * len;
 426                 if( dvdnav_sector_search( p_sys->dvdnav, pos, SEEK_SET ) ==
 427                       DVDNAV_STATUS_OK )
 428                 {
 429                     return VLC_SUCCESS;
 430                 }
 431             }
 432             else if( i_query == DEMUX_GET_TIME )
 433             {
 434                 pi64 = (int64_t*)va_arg( args, int64_t * );
 435                 if( p_sys->i_pgc_length > 0 )
 436                 {
 437                     *pi64 = p_sys->i_pgc_length * pos / len;
 438                     return VLC_SUCCESS;
 439                 }
 440             }
 441             else if( i_query == DEMUX_GET_LENGTH )
 442             {
 443                 pi64 = (int64_t*)va_arg( args, int64_t * );
 444                 if( p_sys->i_pgc_length > 0 )
 445                 {
 446                     *pi64 = (int64_t)p_sys->i_pgc_length;
 447                     return VLC_SUCCESS;
 448                 }
 449             }
 450
 451             return VLC_EGENERIC;
 452         }
 453
 454         /* Special for access_demux */
 455         case DEMUX_CAN_PAUSE:
 456         case DEMUX_CAN_SEEK:
 457         case DEMUX_CAN_CONTROL_PACE:
 458             /* TODO */
 459             pb = (bool*)va_arg( args, bool * );
 460             *pb = true;
 461             return VLC_SUCCESS;
 462
 463         case DEMUX_SET_PAUSE_STATE:
 464             return VLC_SUCCESS;
 465
 466         case DEMUX_GET_TITLE_INFO:
 467             ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
 468             pi_int    = (int*)va_arg( args, int* );
 469             *((int*)va_arg( args, int* )) = 0; /* Title offset */
 470             *((int*)va_arg( args, int* )) = 1; /* Chapter offset */
 471
 472             /* Duplicate title infos */
 473             *pi_int = p_sys->i_title;
 474             *ppp_title = malloc( sizeof( input_title_t ** ) * p_sys->i_title );
 475             for( i = 0; i < p_sys->i_title; i++ )
 476             {
 477                 (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->title[i] );
 478             }
 479             return VLC_SUCCESS;
 480
 481         case DEMUX_SET_TITLE:
 482             i = (int)va_arg( args, int );
 483             if( ( i == 0 && dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root )
 484                   != DVDNAV_STATUS_OK ) ||
 485                 ( i != 0 && dvdnav_title_play( p_sys->dvdnav, i )
 486                   != DVDNAV_STATUS_OK ) )
 487             {
 488                 msg_Warn( p_demux, "cannot set title/chapter" );
 489                 return VLC_EGENERIC;
 490             }
 491             p_demux->info.i_update |=
 492                 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
 493             p_demux->info.i_title = i;
 494             p_demux->info.i_seekpoint = 0;
 495             return VLC_SUCCESS;
 496
 497         case DEMUX_SET_SEEKPOINT:
 498             i = (int)va_arg( args, int );
 499             if( p_demux->info.i_title == 0 )
 500             {
 501                 int i_ret;
 502                 /* Special case */
 503                 switch( i )
 504                 {
 505                 case 0:
 506                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Escape );
 507                     break;
 508                 case 1:
 509                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root );
 510                     break;
 511                 case 2:
 512                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title );
 513                     break;
 514                 case 3:
 515                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Part );
 516                     break;
 517                 case 4:
 518                     i_ret = dvdnav_menu_call( p_sys->dvdnav,
 519                                               DVD_MENU_Subpicture );
 520                     break;
 521                 case 5:
 522                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Audio );
 523                     break;
 524                 case 6:
 525                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Angle );
 526                     break;
 527                 default:
 528                     return VLC_EGENERIC;
 529                 }
 530
 531                 if( i_ret != DVDNAV_STATUS_OK )
 532                     return VLC_EGENERIC;
 533             }
 534             else if( dvdnav_part_play( p_sys->dvdnav, p_demux->info.i_title,
 535                                        i + 1 ) != DVDNAV_STATUS_OK )
 536             {
 537                 msg_Warn( p_demux, "cannot set title/chapter" );
 538                 return VLC_EGENERIC;
 539             }
 540             p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 541             p_demux->info.i_seekpoint = i;
 542             return VLC_SUCCESS;
 543
 544         case DEMUX_GET_PTS_DELAY:
 545             pi64 = (int64_t*)va_arg( args, int64_t * );
 546             *pi64 = (int64_t)var_GetInteger( p_demux, "dvdnav-caching" ) *1000;
 547             return VLC_SUCCESS;
 548
 549         case DEMUX_GET_META:
 550         {
 551             const char *title_name = NULL;
 552
 553             dvdnav_get_title_string(p_sys->dvdnav, &title_name);
 554             if( (NULL != title_name) && ('\0' != title_name[0]) )
 555             {
 556                 vlc_meta_t *p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
 557                 vlc_meta_Set( p_meta, vlc_meta_Title, title_name );
 558                 return VLC_SUCCESS;
 559             }
 560             return VLC_EGENERIC;
 561         }
 562
 563         /* TODO implement others */
 564         default:
 565             return VLC_EGENERIC;
 566     }
 567 }
 568
 569 /*****************************************************************************
 570  * Demux:
 571  *****************************************************************************/
 572 static int Demux( demux_t *p_demux )
 573 {
 574     demux_sys_t *p_sys = p_demux->p_sys;
 575
 576     uint8_t buffer[DVD_VIDEO_LB_LEN];
 577     uint8_t *packet = buffer;
 578     int i_event;
 579     int i_len;
 580
 581 #if DVD_READ_CACHE
 582     if( dvdnav_get_next_cache_block( p_sys->dvdnav, &packet, &i_event, &i_len )
 583         == DVDNAV_STATUS_ERR )
 584 #else
 585     if( dvdnav_get_next_block( p_sys->dvdnav, packet, &i_event, &i_len )
 586         == DVDNAV_STATUS_ERR )
 587 #endif
 588     {
 589         msg_Warn( p_demux, "cannot get next block (%s)",
 590                   dvdnav_err_to_string( p_sys->dvdnav ) );
 591         return -1;
 592     }
 593
 594     switch( i_event )
 595     {
 596     case DVDNAV_BLOCK_OK:   /* mpeg block */
 597         DemuxBlock( p_demux, packet, i_len );
 598         break;
 599
 600     case DVDNAV_NOP:    /* Nothing */
 601         msg_Dbg( p_demux, "DVDNAV_NOP" );
 602         break;
 603
 604     case DVDNAV_STILL_FRAME:
 605     {
 606         /* We send a dummy mpeg2 end of sequence to force still frame display */
 607         static const uint8_t buffer[] = {
 608             0x00, 0x00, 0x01, 0xe0, 0x00, 0x07,
 609             0x80, 0x00, 0x00,
 610             0x00, 0x00, 0x01, 0xB7,
 611         };
 612         DemuxBlock( p_demux, buffer, sizeof(buffer) );
 613
 614         /* */
 615         dvdnav_still_event_t *event = (dvdnav_still_event_t*)packet;
 616         vlc_mutex_lock( &p_sys->p_ev->lock );
 617         if( !p_sys->p_ev->b_still )
 618         {
 619             msg_Dbg( p_demux, "DVDNAV_STILL_FRAME" );
 620             msg_Dbg( p_demux, "     - length=0x%x", event->length );
 621             p_sys->p_ev->b_still = true;
 622             if( event->length == 0xff )
 623             {
 624                 p_sys->p_ev->i_still_end = 0;
 625             }
 626             else
 627             {
 628                 p_sys->p_ev->i_still_end = (int64_t)event->length *
 629                     1000000 + mdate() + p_sys->p_input->i_pts_delay;
 630             }
 631         }
 632         vlc_mutex_unlock( &p_sys->p_ev->lock );
 633         msleep( 40000 );
 634         break;
 635     }
 636
 637     case DVDNAV_SPU_CLUT_CHANGE:
 638     {
 639         int i;
 640
 641         msg_Dbg( p_demux, "DVDNAV_SPU_CLUT_CHANGE" );
 642         /* Update color lookup table (16 *uint32_t in packet) */
 643         memcpy( p_sys->clut, packet, 16 * sizeof( uint32_t ) );
 644
 645         /* HACK to get the SPU tracks registered in the right order */
 646         for( i = 0; i < 0x1f; i++ )
 647         {
 648             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 649                 ESNew( p_demux, 0xbd20 + i );
 650         }
 651         /* END HACK */
 652         break;
 653     }
 654
 655     case DVDNAV_SPU_STREAM_CHANGE:
 656     {
 657         dvdnav_spu_stream_change_event_t *event =
 658             (dvdnav_spu_stream_change_event_t*)packet;
 659         int i;
 660
 661         msg_Dbg( p_demux, "DVDNAV_SPU_STREAM_CHANGE" );
 662         msg_Dbg( p_demux, "     - physical_wide=%d",
 663                  event->physical_wide );
 664         msg_Dbg( p_demux, "     - physical_letterbox=%d",
 665                  event->physical_letterbox);
 666         msg_Dbg( p_demux, "     - physical_pan_scan=%d",
 667                  event->physical_pan_scan );
 668
 669         ESSubtitleUpdate( p_demux );
 670         p_sys->b_spu_change = true;
 671
 672         /* HACK to get the SPU tracks registered in the right order */
 673         for( i = 0; i < 0x1f; i++ )
 674         {
 675             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 676                 ESNew( p_demux, 0xbd20 + i );
 677         }
 678         /* END HACK */
 679         break;
 680     }
 681
 682     case DVDNAV_AUDIO_STREAM_CHANGE:
 683     {
 684         dvdnav_audio_stream_change_event_t *event =
 685             (dvdnav_audio_stream_change_event_t*)packet;
 686         msg_Dbg( p_demux, "DVDNAV_AUDIO_STREAM_CHANGE" );
 687         msg_Dbg( p_demux, "     - physical=%d", event->physical );
 688         /* TODO */
 689         break;
 690     }
 691
 692     case DVDNAV_VTS_CHANGE:
 693     {
 694         int32_t i_title = 0;
 695         int32_t i_part  = 0;
 696         int i;
 697
 698         dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t*)packet;
 699         msg_Dbg( p_demux, "DVDNAV_VTS_CHANGE" );
 700         msg_Dbg( p_demux, "     - vtsN=%d", event->new_vtsN );
 701         msg_Dbg( p_demux, "     - domain=%d", event->new_domain );
 702
 703         /* dvdnav_get_video_aspect / dvdnav_get_video_scale_permission */
 704         /* TODO check if we always have VTS and CELL */
 705         p_sys->i_aspect = dvdnav_get_video_aspect( p_sys->dvdnav );
 706
 707         /* reset PCR */
 708         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 709
 710         for( i = 0; i < PS_TK_COUNT; i++ )
 711         {
 712             ps_track_t *tk = &p_sys->tk[i];
 713             if( tk->b_seen )
 714             {
 715                 es_format_Clean( &tk->fmt );
 716                 if( tk->es ) es_out_Del( p_demux->out, tk->es );
 717             }
 718             tk->b_seen = false;
 719         }
 720
 721         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 722                                        &i_part ) == DVDNAV_STATUS_OK )
 723         {
 724             if( i_title >= 0 && i_title < p_sys->i_title &&
 725                 p_demux->info.i_title != i_title )
 726             {
 727                 p_demux->info.i_update |= INPUT_UPDATE_TITLE;
 728                 p_demux->info.i_title = i_title;
 729             }
 730         }
 731         break;
 732     }
 733
 734     case DVDNAV_CELL_CHANGE:
 735     {
 736         int32_t i_title = 0;
 737         int32_t i_part  = 0;
 738
 739         dvdnav_cell_change_event_t *event =
 740             (dvdnav_cell_change_event_t*)packet;
 741         msg_Dbg( p_demux, "DVDNAV_CELL_CHANGE" );
 742         msg_Dbg( p_demux, "     - cellN=%d", event->cellN );
 743         msg_Dbg( p_demux, "     - pgN=%d", event->pgN );
 744         msg_Dbg( p_demux, "     - cell_length=%"PRId64, event->cell_length );
 745         msg_Dbg( p_demux, "     - pg_length=%"PRId64, event->pg_length );
 746         msg_Dbg( p_demux, "     - pgc_length=%"PRId64, event->pgc_length );
 747         msg_Dbg( p_demux, "     - cell_start=%"PRId64, event->cell_start );
 748         msg_Dbg( p_demux, "     - pg_start=%"PRId64, event->pg_start );
 749
 750         /* Store the lenght in time of the current PGC */
 751         p_sys->i_pgc_length = event->pgc_length / 90 * 1000;
 752
 753         /* FIXME is it correct or there is better way to know chapter change */
 754         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 755                                        &i_part ) == DVDNAV_STATUS_OK )
 756         {
 757             if( i_title >= 0 && i_title < p_sys->i_title &&
 758                 i_part >= 1 && i_part <= p_sys->title[i_title]->i_seekpoint &&
 759                 p_demux->info.i_seekpoint != i_part - 1 )
 760             {
 761                 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 762                 p_demux->info.i_seekpoint = i_part - 1;
 763             }
 764         }
 765         break;
 766     }
 767
 768     case DVDNAV_NAV_PACKET:
 769     {
 770 #ifdef DVDNAV_DEBUG
 771         msg_Dbg( p_demux, "DVDNAV_NAV_PACKET" );
 772 #endif
 773         /* A lot of thing to do here :
 774          *  - handle packet
 775          *  - fetch pts (for time display)
 776          *  - ...
 777          */
 778         DemuxBlock( p_demux, packet, i_len );
 779         if( p_sys->b_spu_change )
 780         {
 781             ButtonUpdate( p_demux, false );
 782             p_sys->b_spu_change = false;
 783         }
 784         break;
 785     }
 786
 787     case DVDNAV_STOP:   /* EOF */
 788         msg_Dbg( p_demux, "DVDNAV_STOP" );
 789
 790 #if DVD_READ_CACHE
 791         dvdnav_free_cache_block( p_sys->dvdnav, packet );
 792 #endif
 793         return 0;
 794
 795     case DVDNAV_HIGHLIGHT:
 796     {
 797         dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t*)packet;
 798         msg_Dbg( p_demux, "DVDNAV_HIGHLIGHT" );
 799         msg_Dbg( p_demux, "     - display=%d", event->display );
 800         msg_Dbg( p_demux, "     - buttonN=%d", event->buttonN );
 801         ButtonUpdate( p_demux, false );
 802         break;
 803     }
 804
 805     case DVDNAV_HOP_CHANNEL:
 806         msg_Dbg( p_demux, "DVDNAV_HOP_CHANNEL" );
 807         /* We should try to flush all our internal buffer */
 808         break;
 809
 810     case DVDNAV_WAIT:
 811         msg_Dbg( p_demux, "DVDNAV_WAIT" );
 812
 813         /* reset PCR */
 814         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 815         dvdnav_wait_skip( p_sys->dvdnav );
 816         break;
 817
 818     default:
 819         msg_Warn( p_demux, "Unknown event (0x%x)", i_event );
 820         break;
 821     }
 822
 823 #if DVD_READ_CACHE
 824     dvdnav_free_cache_block( p_sys->dvdnav, packet );
 825 #endif
 826
 827     return 1;
 828 }
 829
 830 /* Get a 2 char code
 831  * FIXME: partiallyy duplicated from src/input/es_out.c
 832  */
 833 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var )
 834 {
 835     const iso639_lang_t *pl;
 836     char *psz_lang;
 837     char *p;
 838
 839     psz_lang = var_CreateGetString( p_demux, psz_var );
 840     /* XXX: we will use only the first value
 841      * (and ignore other ones in case of a list) */
 842     if( ( p = strchr( psz_lang, ',' ) ) ) *p = '\0';
 843
 844     for( pl = p_languages; pl->psz_iso639_1 != NULL; pl++ )
 845     {
 846         if( !strcasecmp( pl->psz_eng_name, psz_lang ) ||
 847             !strcasecmp( pl->psz_native_name, psz_lang ) ||
 848             !strcasecmp( pl->psz_iso639_1, psz_lang ) ||
 849             !strcasecmp( pl->psz_iso639_2T, psz_lang ) ||
 850             !strcasecmp( pl->psz_iso639_2B, psz_lang ) )
 851             break;
 852     }
 853
 854     free( psz_lang );
 855
 856     if( pl->psz_iso639_1 != NULL )
 857         return strdup( pl->psz_iso639_1 );
 858
 859     return strdup(LANGUAGE_DEFAULT);
 860 }
 861
 862 static void DemuxTitles( demux_t *p_demux )
 863 {
 864     demux_sys_t *p_sys = p_demux->p_sys;
 865     input_title_t *t;
 866     seekpoint_t *s;
 867     int32_t i_titles;
 868     int i;
 869
 870     /* Menu */
 871     t = vlc_input_title_New();
 872     t->b_menu = true;
 873     t->psz_name = strdup( "DVD Menu" );
 874
 875     s = vlc_seekpoint_New();
 876     s->psz_name = strdup( "Resume" );
 877     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 878
 879     s = vlc_seekpoint_New();
 880     s->psz_name = strdup( "Root" );
 881     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 882
 883     s = vlc_seekpoint_New();
 884     s->psz_name = strdup( "Title" );
 885     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 886
 887     s = vlc_seekpoint_New();
 888     s->psz_name = strdup( "Chapter" );
 889     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 890
 891     s = vlc_seekpoint_New();
 892     s->psz_name = strdup( "Subtitle" );
 893     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 894
 895     s = vlc_seekpoint_New();
 896     s->psz_name = strdup( "Audio" );
 897     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 898
 899     s = vlc_seekpoint_New();
 900     s->psz_name = strdup( "Angle" );
 901     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 902
 903     TAB_APPEND( p_sys->i_title, p_sys->title, t );
 904
 905     /* Find out number of titles/chapters */
 906     dvdnav_get_number_of_titles( p_sys->dvdnav, &i_titles );
 907     for( i = 1; i <= i_titles; i++ )
 908     {
 909         int32_t i_chapters = 0;
 910         int j;
 911
 912         dvdnav_get_number_of_parts( p_sys->dvdnav, i, &i_chapters );
 913
 914         t = vlc_input_title_New();
 915         for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
 916         {
 917             s = vlc_seekpoint_New();
 918             TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 919         }
 920
 921         TAB_APPEND( p_sys->i_title, p_sys->title, t );
 922     }
 923 }
 924
 925 /*****************************************************************************
 926  * Update functions:
 927  *****************************************************************************/
 928 static void ButtonUpdate( demux_t *p_demux, bool b_mode )
 929 {
 930     demux_sys_t *p_sys = p_demux->p_sys;
 931     vlc_value_t val;
 932     int32_t i_title, i_part;
 933
 934     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
 935
 936     if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
 937     {
 938         vlc_mutex_t *p_mutex = val.p_address;
 939         dvdnav_highlight_area_t hl;
 940         int32_t i_button;
 941         bool    b_button_ok;
 942
 943         if( dvdnav_get_current_highlight( p_sys->dvdnav, &i_button )
 944             != DVDNAV_STATUS_OK )
 945         {
 946             msg_Err( p_demux, "dvdnav_get_current_highlight failed" );
 947             return;
 948         }
 949
 950         b_button_ok = false;
 951         if( i_button > 0 && i_title ==  0 )
 952         {
 953             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
 954
 955             b_button_ok = dvdnav_get_highlight_area( pci, i_button, b_mode, &hl ) == DVDNAV_STATUS_OK;
 956         }
 957         if( b_button_ok )
 958         {
 959             int i;
 960             for( i = 0; i < 4; i++ )
 961             {
 962                 uint32_t i_yuv = p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
 963                 uint8_t i_alpha = ( (hl.palette>>(i*4))&0x0f ) * 0xff / 0xf;
 964
 965                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
 966                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
 967                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
 968                 p_sys->palette[i][3] = i_alpha;
 969             }
 970
 971             vlc_mutex_lock( p_mutex );
 972             val.i_int = hl.sx; var_Set( p_sys->p_input, "x-start", val );
 973             val.i_int = hl.ex; var_Set( p_sys->p_input, "x-end", val );
 974             val.i_int = hl.sy; var_Set( p_sys->p_input, "y-start", val );
 975             val.i_int = hl.ey; var_Set( p_sys->p_input, "y-end", val );
 976
 977             val.p_address = (void *)p_sys->palette;
 978             var_Set( p_sys->p_input, "menu-palette", val );
 979
 980             val.b_bool = true; var_Set( p_sys->p_input, "highlight", val );
 981             vlc_mutex_unlock( p_mutex );
 982
 983             msg_Dbg( p_demux, "buttonUpdate %d", i_button );
 984         }
 985         else
 986         {
 987             msg_Dbg( p_demux, "buttonUpdate not done b=%d t=%d",
 988                      i_button, i_title );
 989
 990             /* Show all */
 991             vlc_mutex_lock( p_mutex );
 992             val.b_bool = false;
 993             var_Set( p_sys->p_input, "highlight", val );
 994             vlc_mutex_unlock( p_mutex );
 995         }
 996     }
 997 }
 998
 999 static void ESSubtitleUpdate( demux_t *p_demux )
1000 {
1001     demux_sys_t *p_sys = p_demux->p_sys;
1002     int         i_spu = dvdnav_get_active_spu_stream( p_sys->dvdnav );
1003     int32_t i_title, i_part;
1004
1005     ButtonUpdate( p_demux, false );
1006
1007     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1008     if( i_title > 0 ) return;
1009
1010     if( i_spu >= 0 && i_spu <= 0x1f )
1011     {
1012         ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1013
1014         ESNew( p_demux, 0xbd20 + i_spu );
1015
1016         /* be sure to unselect it (reset) */
1017         es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1018                         (bool)false );
1019
1020         /* now select it */
1021         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1022     }
1023     else
1024     {
1025         for( i_spu = 0; i_spu <= 0x1F; i_spu++ )
1026         {
1027             ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1028             if( tk->b_seen )
1029             {
1030                 es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1031                                 (bool)false );
1032             }
1033         }
1034     }
1035 }
1036
1037 /*****************************************************************************
1038  * DemuxBlock: demux a given block
1039  *****************************************************************************/
1040 static int DemuxBlock( demux_t *p_demux, const uint8_t *pkt, int i_pkt )
1041 {
1042     demux_sys_t *p_sys = p_demux->p_sys;
1043     const uint8_t     *p = pkt;
1044
1045     while( p < &pkt[i_pkt] )
1046     {
1047         int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
1048         block_t *p_pkt;
1049         if( i_size <= 0 )
1050         {
1051             break;
1052         }
1053
1054         /* Create a block */
1055         p_pkt = block_New( p_demux, i_size );
1056         memcpy( p_pkt->p_buffer, p, i_size);
1057
1058         /* Parse it and send it */
1059         switch( 0x100 | p[3] )
1060         {
1061         case 0x1b9:
1062         case 0x1bb:
1063         case 0x1bc:
1064 #ifdef DVDNAV_DEBUG
1065             if( p[3] == 0xbc )
1066             {
1067                 msg_Warn( p_demux, "received a PSM packet" );
1068             }
1069             else if( p[3] == 0xbb )
1070             {
1071                 msg_Warn( p_demux, "received a SYSTEM packet" );
1072             }
1073 #endif
1074             block_Release( p_pkt );
1075             break;
1076
1077         case 0x1ba:
1078         {
1079             int64_t i_scr;
1080             int i_mux_rate;
1081             if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
1082             {
1083                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
1084                 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
1085             }
1086             block_Release( p_pkt );
1087             break;
1088         }
1089         default:
1090         {
1091             int i_id = ps_pkt_id( p_pkt );
1092             if( i_id >= 0xc0 )
1093             {
1094                 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1095
1096                 if( !tk->b_seen )
1097                 {
1098                     ESNew( p_demux, i_id );
1099                 }
1100                 if( tk->b_seen && tk->es &&
1101                     !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
1102                 {
1103                     es_out_Send( p_demux->out, tk->es, p_pkt );
1104                 }
1105                 else
1106                 {
1107                     block_Release( p_pkt );
1108                 }
1109             }
1110             else
1111             {
1112                 block_Release( p_pkt );
1113             }
1114             break;
1115         }
1116         }
1117
1118         p += i_size;
1119     }
1120
1121     return VLC_SUCCESS;
1122 }
1123
1124 /*****************************************************************************
1125  * ESNew: register a new elementary stream
1126  *****************************************************************************/
1127 static void ESNew( demux_t *p_demux, int i_id )
1128 {
1129     demux_sys_t *p_sys = p_demux->p_sys;
1130     ps_track_t  *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1131     bool  b_select = false;
1132
1133     if( tk->b_seen ) return;
1134
1135     if( ps_track_fill( tk, 0, i_id ) )
1136     {
1137         msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
1138         return;
1139     }
1140
1141     /* Add a new ES */
1142     if( tk->fmt.i_cat == VIDEO_ES )
1143     {
1144         switch( p_sys->i_aspect )
1145         {
1146             /* TODO Any docs somewhere ? */
1147         default:
1148             tk->fmt.video.i_aspect = 0;
1149             break;
1150         }
1151         b_select = true;
1152     }
1153     else if( tk->fmt.i_cat == AUDIO_ES )
1154     {
1155         int i_audio = -1;
1156         /* find the audio number PLEASE find another way */
1157         if( (i_id&0xbdf8) == 0xbd88 )       /* dts */
1158         {
1159             i_audio = i_id&0x07;
1160         }
1161         else if( (i_id&0xbdf0) == 0xbd80 )  /* a52 */
1162         {
1163             i_audio = i_id&0xf;
1164         }
1165         else if( (i_id&0xbdf0) == 0xbda0 )  /* lpcm */
1166         {
1167             i_audio = i_id&0x1f;
1168         }
1169         else if( ( i_id&0xe0 ) == 0xc0 )    /* mpga */
1170         {
1171             i_audio = i_id&0x1f;
1172         }
1173         if( i_audio >= 0 )
1174         {
1175             int i_lang = dvdnav_audio_stream_to_lang( p_sys->dvdnav, i_audio );
1176             if( i_lang != 0xffff )
1177             {
1178                 tk->fmt.psz_language = malloc( 3 );
1179                 tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1180                 tk->fmt.psz_language[1] = (i_lang     )&0xff;
1181                 tk->fmt.psz_language[2] = 0;
1182             }
1183             if( dvdnav_get_active_audio_stream( p_sys->dvdnav ) == i_audio )
1184             {
1185                 b_select = true;
1186             }
1187         }
1188     }
1189     else if( tk->fmt.i_cat == SPU_ES )
1190     {
1191         int32_t i_title, i_part;
1192         int i_lang = dvdnav_spu_stream_to_lang( p_sys->dvdnav, i_id&0x1f );
1193         if( i_lang != 0xffff )
1194         {
1195             tk->fmt.psz_language = malloc( 3 );
1196             tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1197             tk->fmt.psz_language[1] = (i_lang     )&0xff;
1198             tk->fmt.psz_language[2] = 0;
1199         }
1200
1201         /* Palette */
1202         tk->fmt.subs.spu.palette[0] = 0xBeef;
1203         memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
1204                 16 * sizeof( uint32_t ) );
1205
1206         /* We select only when we are not in the menu */
1207         dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1208         if( i_title > 0 &&
1209             dvdnav_get_active_spu_stream( p_sys->dvdnav ) == (i_id&0x1f) )
1210         {
1211             b_select = true;
1212         }
1213     }
1214
1215     tk->es = es_out_Add( p_demux->out, &tk->fmt );
1216     if( b_select )
1217     {
1218         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1219     }
1220     tk->b_seen = true;
1221
1222     if( tk->fmt.i_cat == VIDEO_ES ) ButtonUpdate( p_demux, false );
1223 }
1224
1225 /*****************************************************************************
1226  * Event handler code
1227  *****************************************************************************/
1228 static int  EventMouse( vlc_object_t *, char const *,
1229                         vlc_value_t, vlc_value_t, void * );
1230 static int  EventKey  ( vlc_object_t *, char const *,
1231                         vlc_value_t, vlc_value_t, void * );
1232
1233 static void* EventThread( vlc_object_t *p_this )
1234 {
1235     event_thread_t *p_ev = (event_thread_t*)p_this;
1236     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
1237     vlc_object_t   *p_vout = NULL;
1238
1239     vlc_mutex_init( &p_ev->lock );
1240     p_ev->b_moved   = false;
1241     p_ev->b_clicked = false;
1242     p_ev->i_key_action = 0;
1243     p_ev->b_still   = false;
1244
1245     /* catch all key event */
1246     var_AddCallback( p_ev->p_libvlc, "key-action", EventKey, p_ev );
1247
1248     /* main loop */
1249     while( vlc_object_alive (p_ev) )
1250     {
1251         bool b_activated = false;
1252
1253         /* KEY part */
1254         if( p_ev->i_key_action != 0 )
1255         {
1256             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1257
1258             vlc_mutex_lock( &p_ev->lock );
1259             switch( p_ev->i_key_action )
1260             {
1261             case ACTIONID_NAV_LEFT:
1262                 dvdnav_left_button_select( p_sys->dvdnav, pci );
1263                 break;
1264             case ACTIONID_NAV_RIGHT:
1265                 dvdnav_right_button_select( p_sys->dvdnav, pci );
1266                 break;
1267             case ACTIONID_NAV_UP:
1268                 dvdnav_upper_button_select( p_sys->dvdnav, pci );
1269                 break;
1270             case ACTIONID_NAV_DOWN:
1271                 dvdnav_lower_button_select( p_sys->dvdnav, pci );
1272                 break;
1273             case ACTIONID_NAV_ACTIVATE:
1274                 b_activated = true;
1275                 dvdnav_button_activate( p_sys->dvdnav, pci );
1276                 ButtonUpdate( p_ev->p_demux, true );
1277                 break;
1278             default:
1279                 break;
1280             }
1281             p_ev->i_key_action = 0;
1282             vlc_mutex_unlock( &p_ev->lock );
1283         }
1284
1285         /* VOUT part */
1286         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
1287         {
1288             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1289             vlc_value_t valx, valy;
1290
1291             vlc_mutex_lock( &p_ev->lock );
1292             var_Get( p_vout, "mouse-x", &valx );
1293             var_Get( p_vout, "mouse-y", &valy );
1294
1295             if( p_ev->b_moved )
1296             {
1297                 dvdnav_mouse_select( p_sys->dvdnav, pci, valx.i_int,
1298                                      valy.i_int );
1299             }
1300             if( p_ev->b_clicked )
1301             {
1302                 b_activated = true;
1303                 dvdnav_mouse_activate( p_sys->dvdnav, pci, valx.i_int,
1304                                        valy.i_int );
1305                 ButtonUpdate( p_ev->p_demux, true );
1306             }
1307
1308             p_ev->b_moved = false;
1309             p_ev->b_clicked = false;
1310             vlc_mutex_unlock( &p_ev->lock );
1311         }
1312         if( p_vout && !vlc_object_alive (p_vout) )
1313         {
1314             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1315             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1316             vlc_object_release( p_vout );
1317             p_vout = NULL;
1318         }
1319         if( p_vout == NULL )
1320         {
1321             p_vout = vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
1322                                       FIND_CHILD );
1323             if( p_vout)
1324             {
1325                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1326                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1327             }
1328         }
1329
1330         /* Still part */
1331         vlc_mutex_lock( &p_ev->lock );
1332         if( p_ev->b_still )
1333         {
1334             if( /* b_activated || // This breaks menus */
1335                 ( p_ev->i_still_end > 0 && p_ev->i_still_end < mdate() ))
1336             {
1337                 p_ev->b_still = false;
1338                 dvdnav_still_skip( p_sys->dvdnav );
1339             }
1340         }
1341         vlc_mutex_unlock( &p_ev->lock );
1342
1343         /* Wait a bit */
1344         msleep( 10000 );
1345     }
1346
1347     /* Release callback */
1348     if( p_vout )
1349     {
1350         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1351         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1352         vlc_object_release( p_vout );
1353     }
1354     var_DelCallback( p_ev->p_libvlc, "key-action", EventKey, p_ev );
1355
1356     vlc_mutex_destroy( &p_ev->lock );
1357
1358     return NULL;
1359 }
1360
1361 static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1362                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
1363 {
1364     (void)p_this;    (void)oldval;    (void)newval;    (void)p_data;
1365     event_thread_t *p_ev = p_data;
1366     vlc_mutex_lock( &p_ev->lock );
1367     if( psz_var[6] == 'c' )
1368         p_ev->b_clicked = true;
1369     else if( psz_var[6] == 'm' )
1370         p_ev->b_moved = true;
1371     vlc_mutex_unlock( &p_ev->lock );
1372
1373     return VLC_SUCCESS;
1374 }
1375
1376 static int EventKey( vlc_object_t *p_this, char const *psz_var,
1377                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
1378 {
1379     (void)p_this;    (void)psz_var;    (void)oldval;
1380     event_thread_t *p_ev = p_data;
1381     vlc_mutex_lock( &p_ev->lock );
1382     p_ev->i_key_action = newval.i_int;
1383     vlc_mutex_unlock( &p_ev->lock );
1384
1385     return VLC_SUCCESS;
1386 }
1387
1388 /*****************************************************************************
1389  * ProbeDVD: very weak probing that avoids going too often into a dvdnav_open()
1390  *****************************************************************************/
1391 static int ProbeDVD( demux_t *p_demux, char *psz_name )
1392 {
1393     (void)p_demux;
1394 #ifdef HAVE_SYS_STAT_H
1395     struct stat stat_info;
1396     uint8_t pi_anchor[2];
1397     uint16_t i_tag_id = 0;
1398     int i_fd, i_ret;
1399
1400     if( !*psz_name )
1401     {
1402         /* Triggers libdvdcss autodetection */
1403         return VLC_SUCCESS;
1404     }
1405
1406     if( stat( psz_name, &stat_info ) || !S_ISREG( stat_info.st_mode ) )
1407     {
1408         /* Let dvdnav_open() do the probing */
1409         return VLC_SUCCESS;
1410     }
1411
1412     if( (i_fd = open( psz_name, O_RDONLY )) == -1 )
1413     {
1414         /* Let dvdnav_open() do the probing */
1415         return VLC_SUCCESS;
1416     }
1417
1418     /* Try to find the anchor (2 bytes at LBA 256) */
1419     i_ret = VLC_SUCCESS;
1420     if( lseek( i_fd, 256 * DVD_VIDEO_LB_LEN, SEEK_SET ) == -1 )
1421     {
1422         i_ret = VLC_EGENERIC;
1423     }
1424
1425     if( read( i_fd, pi_anchor, 2 ) == 2 )
1426     {
1427         i_tag_id = GetWLE(pi_anchor);
1428         if( i_tag_id != 2 ) i_ret = VLC_EGENERIC; /* Not an anchor */
1429     }
1430     else
1431     {
1432         i_ret = VLC_EGENERIC;
1433     }
1434
1435     close( i_fd );
1436
1437     return i_ret;
1438 #else
1439
1440     return VLC_SUCCESS;
1441 #endif
1442 }