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 VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  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., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #include <stdlib.h>
  28
  29 #include <vlc/vlc.h>
  30 #include <vlc/input.h>
  31
  32 #ifdef HAVE_UNISTD_H
  33 #   include <unistd.h>
  34 #endif
  35 #ifdef HAVE_SYS_TYPES_H
  36 #   include <sys/types.h>
  37 #endif
  38 #ifdef HAVE_SYS_STAT_H
  39 #   include <sys/stat.h>
  40 #endif
  41 #ifdef HAVE_FCNTL_H
  42 #   include <fcntl.h>
  43 #endif
  44
  45 #include "vlc_keys.h"
  46 #include "iso_lang.h"
  47
  48 #include <dvdnav/dvdnav.h>
  49
  50 #include "../demux/ps.h"
  51
  52 /*****************************************************************************
  53  * Module descriptor
  54  *****************************************************************************/
  55 #define ANGLE_TEXT N_("DVD angle")
  56 #define ANGLE_LONGTEXT N_( \
  57     "Allows you to select the default DVD angle." )
  58
  59 #define CACHING_TEXT N_("Caching value in ms")
  60 #define CACHING_LONGTEXT N_( \
  61     "Allows you to modify the default caching value for DVDnav streams. This "\
  62     "value should be set in millisecond units." )
  63 #define MENU_TEXT N_("Start directly in menu")
  64 #define MENU_LONGTEXT N_( \
  65     "Allows you to start the DVD directly in the main menu. This "\
  66     "will try to skip all the useless warnings introductions." )
  67
  68 static int  Open ( vlc_object_t * );
  69 static void Close( vlc_object_t * );
  70
  71 vlc_module_begin();
  72     set_description( _("DVDnav Input") );
  73     add_integer( "dvdnav-angle", 1, NULL, ANGLE_TEXT,
  74         ANGLE_LONGTEXT, VLC_FALSE );
  75     add_integer( "dvdnav-caching", DEFAULT_PTS_DELAY / 1000, NULL,
  76         CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
  77     add_bool( "dvdnav-menu", VLC_TRUE, NULL,
  78         MENU_TEXT, MENU_LONGTEXT, VLC_FALSE );
  79     set_capability( "access_demux", 5 );
  80     add_shortcut( "dvd" );
  81     add_shortcut( "dvdnav" );
  82     set_callbacks( Open, Close );
  83 vlc_module_end();
  84
  85 /* Shall we use libdvdnav's read ahead cache? */
  86 #define DVD_READ_CACHE 1
  87
  88 /*****************************************************************************
  89  * Local prototypes
  90  *****************************************************************************/
  91 typedef struct
  92 {
  93     VLC_COMMON_MEMBERS
  94
  95     demux_t        *p_demux;
  96     vlc_mutex_t     lock;
  97
  98     vlc_bool_t      b_moved;
  99     vlc_bool_t      b_clicked;
 100     vlc_bool_t      b_key;
 101
 102     vlc_bool_t      b_still;
 103     int64_t         i_still_end;
 104
 105 } event_thread_t;
 106
 107 static int EventThread( vlc_object_t * );
 108
 109 struct demux_sys_t
 110 {
 111     dvdnav_t    *dvdnav;
 112
 113     /* track */
 114     ps_track_t  tk[PS_TK_COUNT];
 115     int         i_mux_rate;
 116
 117     /* for spu variables */
 118     input_thread_t *p_input;
 119
 120     /* event */
 121     event_thread_t *p_ev;
 122
 123     /* FIXME */
 124     uint8_t     alpha[4];
 125     uint32_t    clut[16];
 126
 127     /* */
 128     int i_aspect;
 129
 130     int           i_title;
 131     input_title_t **title;
 132 };
 133
 134 static int Control( demux_t *, int, va_list );
 135 static int Demux( demux_t * );
 136 static int DemuxBlock( demux_t *, uint8_t *, int );
 137
 138 static void DemuxTitles( demux_t * );
 139 static void ESSubtitleUpdate( demux_t * );
 140 static void ButtonUpdate( demux_t * );
 141
 142 static void ESNew( demux_t *, int );
 143 static int ProbeDVD( demux_t *, char * );
 144
 145 /*****************************************************************************
 146  * DemuxOpen:
 147  *****************************************************************************/
 148 static int Open( vlc_object_t *p_this )
 149 {
 150     demux_t     *p_demux = (demux_t*)p_this;
 151     demux_sys_t *p_sys;
 152     dvdnav_t    *p_dvdnav;
 153     int         i_angle;
 154     char        *psz_name;
 155     vlc_value_t val;
 156
 157     if( !p_demux->psz_path || !*p_demux->psz_path )
 158     {
 159         /* Only when selected */
 160         if( !p_this->b_force ) return VLC_EGENERIC;
 161
 162         psz_name = var_CreateGetString( p_this, "dvd" );
 163         if( !psz_name || !*psz_name )
 164         {
 165             if( psz_name ) free( psz_name );
 166             return VLC_EGENERIC;
 167         }
 168     }
 169     else psz_name = strdup( p_demux->psz_path );
 170
 171 #ifdef WIN32
 172     if( psz_name[0] && psz_name[1] == ':' &&
 173         psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
 174 #endif
 175
 176     /* Try some simple probing to avoid going through dvdnav_open too often */
 177     if( ProbeDVD( p_demux, psz_name ) != VLC_SUCCESS )
 178     {
 179         free( psz_name );
 180         return VLC_EGENERIC;
 181     }
 182
 183     /* Open dvdnav */
 184     if( dvdnav_open( &p_dvdnav, psz_name ) != DVDNAV_STATUS_OK )
 185     {
 186         msg_Warn( p_demux, "cannot open dvdnav" );
 187         free( psz_name );
 188         return VLC_EGENERIC;
 189     }
 190     free( psz_name );
 191
 192     /* Fill p_demux field */
 193     p_demux->pf_demux = Demux;
 194     p_demux->pf_control = Control;
 195     p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
 196     memset( p_sys, 0, sizeof( demux_sys_t ) );
 197     p_sys->dvdnav = p_dvdnav;
 198
 199     ps_track_init( p_sys->tk );
 200     p_sys->i_aspect = -1;
 201     p_sys->i_mux_rate = 0;
 202
 203     if( 1 )
 204     {
 205         // Hack for libdvdnav CVS.
 206         // Without it dvdnav_get_number_of_titles() fails.
 207         // Remove when fixed in libdvdnav CVS.
 208         uint8_t buffer[DVD_VIDEO_LB_LEN];
 209         int i_event, i_len;
 210
 211         if( dvdnav_get_next_block( p_sys->dvdnav, buffer, &i_event, &i_len )
 212               == DVDNAV_STATUS_ERR )
 213         {
 214             msg_Warn( p_demux, "dvdnav_get_next_block failed" );
 215         }
 216
 217         dvdnav_sector_search( p_sys->dvdnav, 0, SEEK_SET );
 218     }
 219
 220     /* Configure dvdnav */
 221     if( dvdnav_set_readahead_flag( p_sys->dvdnav, DVD_READ_CACHE ) !=
 222           DVDNAV_STATUS_OK )
 223     {
 224         msg_Warn( p_demux, "cannot set read-a-head flag" );
 225     }
 226
 227     if( dvdnav_set_PGC_positioning_flag( p_sys->dvdnav, 1 ) !=
 228           DVDNAV_STATUS_OK )
 229     {
 230         msg_Warn( p_demux, "cannot set PGC positioning flag" );
 231     }
 232
 233     if( dvdnav_menu_language_select (p_sys->dvdnav,"en") != DVDNAV_STATUS_OK ||
 234         dvdnav_audio_language_select(p_sys->dvdnav,"en") != DVDNAV_STATUS_OK ||
 235         dvdnav_spu_language_select  (p_sys->dvdnav,"en") != DVDNAV_STATUS_OK )
 236     {
 237         msg_Warn( p_demux, "something failed while setting en language (%s)",
 238                   dvdnav_err_to_string( p_sys->dvdnav ) );
 239     }
 240
 241     DemuxTitles( p_demux );
 242
 243     var_Create( p_demux, "dvdnav-menu", VLC_VAR_BOOL|VLC_VAR_DOINHERIT );
 244     var_Get( p_demux, "dvdnav-menu", &val );
 245     if( val.b_bool )
 246     {
 247         msg_Dbg( p_demux, "trying to go to dvd menu" );
 248
 249         if( dvdnav_title_play( p_sys->dvdnav, 1 ) != DVDNAV_STATUS_OK )
 250         {
 251             msg_Warn( p_demux, "cannot set title" );
 252         }
 253
 254         if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title ) !=
 255             DVDNAV_STATUS_OK )
 256         {
 257             msg_Warn( p_demux, "cannot go to dvd menu" );
 258         }
 259     }
 260
 261     var_Create( p_demux, "dvdnav-angle", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 262     var_Get( p_demux, "dvdnav-angle", &val );
 263     i_angle = val.i_int > 0 ? val.i_int : 1;
 264
 265     /* Update default_pts to a suitable value for dvdnav access */
 266     var_Create( p_demux, "dvdnav-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 267
 268     /* FIXME hack hack hack hack FIXME */
 269     /* Get p_input and create variable */
 270     p_sys->p_input = vlc_object_find( p_demux, VLC_OBJECT_INPUT, FIND_PARENT );
 271     var_Create( p_sys->p_input, "x-start", VLC_VAR_INTEGER );
 272     var_Create( p_sys->p_input, "y-start", VLC_VAR_INTEGER );
 273     var_Create( p_sys->p_input, "x-end", VLC_VAR_INTEGER );
 274     var_Create( p_sys->p_input, "y-end", VLC_VAR_INTEGER );
 275     var_Create( p_sys->p_input, "color", VLC_VAR_ADDRESS );
 276     var_Create( p_sys->p_input, "contrast", VLC_VAR_ADDRESS );
 277     var_Create( p_sys->p_input, "highlight", VLC_VAR_BOOL );
 278     var_Create( p_sys->p_input, "highlight-mutex", VLC_VAR_MUTEX );
 279
 280     /* Now create our event thread catcher */
 281     p_sys->p_ev = vlc_object_create( p_demux, sizeof( event_thread_t ) );
 282     p_sys->p_ev->p_demux = p_demux;
 283     vlc_thread_create( p_sys->p_ev, "dvdnav event thread handler", EventThread,
 284                        VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
 285
 286     return VLC_SUCCESS;
 287 }
 288
 289 /*****************************************************************************
 290  * Close:
 291  *****************************************************************************/
 292 static void Close( vlc_object_t *p_this )
 293 {
 294     demux_t     *p_demux = (demux_t*)p_this;
 295     demux_sys_t *p_sys = p_demux->p_sys;
 296     int i;
 297
 298     /* stop the event handler */
 299     p_sys->p_ev->b_die = VLC_TRUE;
 300     vlc_thread_join( p_sys->p_ev );
 301     vlc_object_destroy( p_sys->p_ev );
 302
 303     var_Destroy( p_sys->p_input, "highlight-mutex" );
 304     var_Destroy( p_sys->p_input, "highlight" );
 305     var_Destroy( p_sys->p_input, "x-start" );
 306     var_Destroy( p_sys->p_input, "x-end" );
 307     var_Destroy( p_sys->p_input, "y-start" );
 308     var_Destroy( p_sys->p_input, "y-end" );
 309     var_Destroy( p_sys->p_input, "color" );
 310     var_Destroy( p_sys->p_input, "contrast" );
 311
 312     vlc_object_release( p_sys->p_input );
 313
 314     for( i = 0; i < PS_TK_COUNT; i++ )
 315     {
 316         ps_track_t *tk = &p_sys->tk[i];
 317         if( tk->b_seen )
 318         {
 319             es_format_Clean( &tk->fmt );
 320             if( tk->es ) es_out_Del( p_demux->out, tk->es );
 321         }
 322     }
 323
 324     dvdnav_close( p_sys->dvdnav );
 325     free( p_sys );
 326 }
 327
 328 /*****************************************************************************
 329  * Control:
 330  *****************************************************************************/
 331 static int Control( demux_t *p_demux, int i_query, va_list args )
 332 {
 333     demux_sys_t *p_sys = p_demux->p_sys;
 334     double f, *pf;
 335     vlc_bool_t *pb;
 336     int64_t *pi64;
 337     input_title_t ***ppp_title;
 338     int          *pi_int;
 339     int i;
 340
 341     switch( i_query )
 342     {
 343         case DEMUX_SET_POSITION:
 344         case DEMUX_GET_POSITION:
 345         case DEMUX_GET_TIME:
 346         case DEMUX_GET_LENGTH:
 347         {
 348             uint32_t pos, len;
 349             if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) !=
 350                   DVDNAV_STATUS_OK || len == 0 )
 351             {
 352                 return VLC_EGENERIC;
 353             }
 354
 355             if( i_query == DEMUX_GET_POSITION )
 356             {
 357                 pf = (double*)va_arg( args, double* );
 358                 *pf = (double)pos / (double)len;
 359                 return VLC_SUCCESS;
 360             }
 361             else if( i_query == DEMUX_SET_POSITION )
 362             {
 363                 f = (double)va_arg( args, double );
 364                 pos = f * len;
 365                 if( dvdnav_sector_search( p_sys->dvdnav, pos, SEEK_SET ) ==
 366                       DVDNAV_STATUS_OK )
 367                 {
 368                     return VLC_SUCCESS;
 369                 }
 370             }
 371             else if( i_query == DEMUX_GET_TIME )
 372             {
 373                 pi64 = (int64_t*)va_arg( args, int64_t * );
 374                 if( p_sys->i_mux_rate > 0 )
 375                 {
 376                     *pi64 = (int64_t)1000000 * 2048 * pos / 50 /
 377                         p_sys->i_mux_rate;
 378                     return VLC_SUCCESS;
 379                 }
 380             }
 381             else if( i_query == DEMUX_GET_LENGTH )
 382             {
 383                 pi64 = (int64_t*)va_arg( args, int64_t * );
 384                 if( p_sys->i_mux_rate > 0 )
 385                 {
 386                     *pi64 = (int64_t)1000000 * len * 2048 / 50 /
 387                         p_sys->i_mux_rate;
 388                     return VLC_SUCCESS;
 389                 }
 390             }
 391
 392             return VLC_EGENERIC;
 393         }
 394
 395         /* Special for access_demux */
 396         case DEMUX_CAN_PAUSE:
 397         case DEMUX_CAN_CONTROL_PACE:
 398             /* TODO */
 399             pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
 400             *pb = VLC_TRUE;
 401             return VLC_SUCCESS;
 402
 403         case DEMUX_SET_PAUSE_STATE:
 404             return VLC_SUCCESS;
 405
 406         case DEMUX_GET_TITLE_INFO:
 407             ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
 408             pi_int    = (int*)va_arg( args, int* );
 409             *((int*)va_arg( args, int* )) = 0; /* Title offset */
 410             *((int*)va_arg( args, int* )) = 1; /* Chapter offset */
 411
 412             /* Duplicate title infos */
 413             *pi_int = p_sys->i_title;
 414             *ppp_title = malloc( sizeof( input_title_t ** ) * p_sys->i_title );
 415             for( i = 0; i < p_sys->i_title; i++ )
 416             {
 417                 (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->title[i] );
 418             }
 419             return VLC_SUCCESS;
 420
 421         case DEMUX_SET_TITLE:
 422             i = (int)va_arg( args, int );
 423             if( ( i == 0 && dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root )
 424                   != DVDNAV_STATUS_OK ) ||
 425                 ( i != 0 && dvdnav_title_play( p_sys->dvdnav, i )
 426                   != DVDNAV_STATUS_OK ) )
 427             {
 428                 msg_Warn( p_demux, "cannot set title/chapter" );
 429                 return VLC_EGENERIC;
 430             }
 431             p_demux->info.i_update |=
 432                 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
 433             p_demux->info.i_title = i;
 434             p_demux->info.i_seekpoint = 0;
 435             return VLC_SUCCESS;
 436
 437         case DEMUX_SET_SEEKPOINT:
 438             i = (int)va_arg( args, int );
 439             if( p_demux->info.i_title == 0 )
 440             {
 441                 int i_ret;
 442                 /* Special case */
 443                 switch( i )
 444                 {
 445                 case 0:
 446                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Escape );
 447                     break;
 448                 case 1:
 449                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root );
 450                     break;
 451                 case 2:
 452                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title );
 453                     break;
 454                 case 3:
 455                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Part );
 456                     break;
 457                 case 4:
 458                     i_ret = dvdnav_menu_call( p_sys->dvdnav,
 459                                               DVD_MENU_Subpicture );
 460                     break;
 461                 case 5:
 462                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Audio );
 463                     break;
 464                 case 6:
 465                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Angle );
 466                     break;
 467                 default:
 468                     return VLC_EGENERIC;
 469                 }
 470
 471                 if( i_ret != DVDNAV_STATUS_OK )
 472                     return VLC_EGENERIC;
 473             }
 474             else if( dvdnav_part_play( p_sys->dvdnav, p_demux->info.i_title,
 475                                        i + 1 ) != DVDNAV_STATUS_OK )
 476             {
 477                 msg_Warn( p_demux, "cannot set title/chapter" );
 478                 return VLC_EGENERIC;
 479             }
 480             p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 481             p_demux->info.i_seekpoint = i;
 482             return VLC_SUCCESS;
 483
 484         case DEMUX_GET_PTS_DELAY:
 485             pi64 = (int64_t*)va_arg( args, int64_t * );
 486             *pi64 = (int64_t)var_GetInteger( p_demux, "dvdnav-caching" ) *1000;
 487             return VLC_SUCCESS;
 488
 489         /* TODO implement others */
 490         default:
 491             return VLC_EGENERIC;
 492     }
 493 }
 494
 495 /*****************************************************************************
 496  * Demux:
 497  *****************************************************************************/
 498 static int Demux( demux_t *p_demux )
 499 {
 500     demux_sys_t *p_sys = p_demux->p_sys;
 501
 502     uint8_t buffer[DVD_VIDEO_LB_LEN];
 503     uint8_t *packet = buffer;
 504     int i_event;
 505     int i_len;
 506
 507 #if DVD_READ_CACHE
 508     if( dvdnav_get_next_cache_block( p_sys->dvdnav, &packet, &i_event, &i_len )
 509         == DVDNAV_STATUS_ERR )
 510 #else
 511     if( dvdnav_get_next_block( p_sys->dvdnav, packet, &i_event, &i_len )
 512         == DVDNAV_STATUS_ERR )
 513 #endif
 514     {
 515         msg_Warn( p_demux, "cannot get next block (%s)",
 516                   dvdnav_err_to_string( p_sys->dvdnav ) );
 517         return -1;
 518     }
 519
 520     switch( i_event )
 521     {
 522     case DVDNAV_BLOCK_OK:   /* mpeg block */
 523         DemuxBlock( p_demux, packet, i_len );
 524         break;
 525
 526     case DVDNAV_NOP:    /* Nothing */
 527         msg_Dbg( p_demux, "DVDNAV_NOP" );
 528         break;
 529
 530     case DVDNAV_STILL_FRAME:
 531     {
 532         dvdnav_still_event_t *event = (dvdnav_still_event_t*)packet;
 533         vlc_mutex_lock( &p_sys->p_ev->lock );
 534         if( !p_sys->p_ev->b_still )
 535         {
 536             msg_Dbg( p_demux, "DVDNAV_STILL_FRAME" );
 537             msg_Dbg( p_demux, "     - length=0x%x", event->length );
 538             p_sys->p_ev->b_still = VLC_TRUE;
 539             if( event->length == 0xff )
 540             {
 541                 p_sys->p_ev->i_still_end = 0;
 542             }
 543             else
 544             {
 545                 p_sys->p_ev->i_still_end = (int64_t)event->length *
 546                     1000000 + mdate() + p_sys->p_input->i_pts_delay;
 547             }
 548         }
 549         vlc_mutex_unlock( &p_sys->p_ev->lock );
 550         msleep( 40000 );
 551         break;
 552     }
 553     case DVDNAV_SPU_STREAM_CHANGE:
 554     {
 555         dvdnav_spu_stream_change_event_t *event =
 556             (dvdnav_spu_stream_change_event_t*)packet;
 557         msg_Dbg( p_demux, "DVDNAV_SPU_STREAM_CHANGE" );
 558         msg_Dbg( p_demux, "     - physical_wide=%d",
 559                  event->physical_wide );
 560         msg_Dbg( p_demux, "     - physical_letterbox=%d",
 561                  event->physical_letterbox);
 562         msg_Dbg( p_demux, "     - physical_pan_scan=%d",
 563                  event->physical_pan_scan );
 564
 565         ESSubtitleUpdate( p_demux );
 566         break;
 567     }
 568     case DVDNAV_AUDIO_STREAM_CHANGE:
 569     {
 570         dvdnav_audio_stream_change_event_t *event =
 571             (dvdnav_audio_stream_change_event_t*)packet;
 572         msg_Dbg( p_demux, "DVDNAV_AUDIO_STREAM_CHANGE" );
 573         msg_Dbg( p_demux, "     - physical=%d", event->physical );
 574         /* TODO */
 575         break;
 576     }
 577     case DVDNAV_VTS_CHANGE:
 578     {
 579         int32_t i_title = 0;
 580         int32_t i_part  = 0;
 581         int i;
 582
 583         dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t*)packet;
 584         msg_Dbg( p_demux, "DVDNAV_VTS_CHANGE" );
 585         msg_Dbg( p_demux, "     - vtsN=%d", event->new_vtsN );
 586         msg_Dbg( p_demux, "     - domain=%d", event->new_domain );
 587
 588         /* dvdnav_get_video_aspect / dvdnav_get_video_scale_permission */
 589         /* TODO check if we always have VTS and CELL */
 590         p_sys->i_aspect = dvdnav_get_video_aspect( p_sys->dvdnav );
 591
 592         /* reset PCR */
 593         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 594
 595         for( i = 0; i < PS_TK_COUNT; i++ )
 596         {
 597             ps_track_t *tk = &p_sys->tk[i];
 598             if( tk->b_seen )
 599             {
 600                 es_format_Clean( &tk->fmt );
 601                 if( tk->es ) es_out_Del( p_demux->out, tk->es );
 602             }
 603             tk->b_seen = VLC_FALSE;
 604         }
 605
 606         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 607                                        &i_part ) == DVDNAV_STATUS_OK )
 608         {
 609             if( i_title >= 0 && i_title < p_sys->i_title &&
 610                 p_demux->info.i_title != i_title )
 611             {
 612                 p_demux->info.i_update |= INPUT_UPDATE_TITLE;
 613                 p_demux->info.i_title = i_title;
 614             }
 615         }
 616         break;
 617     }
 618     case DVDNAV_CELL_CHANGE:
 619     {
 620         int32_t i_title = 0;
 621         int32_t i_part  = 0;
 622
 623         dvdnav_cell_change_event_t *event =
 624             (dvdnav_cell_change_event_t*)packet;
 625         msg_Dbg( p_demux, "DVDNAV_CELL_CHANGE" );
 626         msg_Dbg( p_demux, "     - cellN=%d", event->cellN );
 627         msg_Dbg( p_demux, "     - pgN=%d", event->pgN );
 628         msg_Dbg( p_demux, "     - cell_length=%lld", event->cell_length );
 629         msg_Dbg( p_demux, "     - pg_length=%lld", event->pg_length );
 630         msg_Dbg( p_demux, "     - pgc_length=%lld", event->pgc_length );
 631         msg_Dbg( p_demux, "     - cell_start=%lld", event->cell_start );
 632         msg_Dbg( p_demux, "     - pg_start=%lld", event->pg_start );
 633
 634         /* FIXME is it correct or there is better way to know chapter change */
 635         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 636                                        &i_part ) == DVDNAV_STATUS_OK )
 637         {
 638             if( i_title >= 0 && i_title < p_sys->i_title &&
 639                 i_part >= 1 && i_part <= p_sys->title[i_title]->i_seekpoint &&
 640                 p_demux->info.i_seekpoint != i_part - 1 )
 641             {
 642                 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 643                 p_demux->info.i_seekpoint = i_part - 1;
 644             }
 645         }
 646         break;
 647     }
 648
 649     case DVDNAV_NAV_PACKET:
 650     {
 651 #ifdef DVDNAV_DEBUG
 652         msg_Dbg( p_demux, "DVDNAV_NAV_PACKET" );
 653 #endif
 654         /* A lot of thing to do here :
 655          *  - handle packet
 656          *  - fetch pts (for time display)
 657          *  - ...
 658          */
 659         DemuxBlock( p_demux, packet, i_len );
 660         break;
 661     }
 662     case DVDNAV_STOP:   /* EOF */
 663         msg_Dbg( p_demux, "DVDNAV_STOP" );
 664         return 0;
 665
 666     case DVDNAV_HIGHLIGHT:
 667     {
 668         dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t*)packet;
 669         msg_Dbg( p_demux, "DVDNAV_HIGHLIGHT" );
 670         msg_Dbg( p_demux, "     - display=%d", event->display );
 671         msg_Dbg( p_demux, "     - buttonN=%d", event->buttonN );
 672         ButtonUpdate( p_demux );
 673         break;
 674     }
 675
 676     case DVDNAV_SPU_CLUT_CHANGE:
 677     {
 678         int i;
 679
 680         msg_Dbg( p_demux, "DVDNAV_SPU_CLUT_CHANGE" );
 681         /* Update color lookup table (16 *uint32_t in packet) */
 682         memcpy( p_sys->clut, packet, 16 * sizeof( uint32_t ) );
 683
 684         /* HACK to get the SPU tracks registered in the right order */
 685         for( i = 0; i < 0x1f; i++ )
 686         {
 687             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 688                 ESNew( p_demux, 0xbd20 + i );
 689         }
 690         /* END HACK */
 691         break;
 692     }
 693
 694     case DVDNAV_HOP_CHANNEL:
 695         msg_Dbg( p_demux, "DVDNAV_HOP_CHANNEL" );
 696         /* We should try to flush all our internal buffer */
 697         break;
 698
 699     case DVDNAV_WAIT:
 700         msg_Dbg( p_demux, "DVDNAV_WAIT" );
 701
 702         dvdnav_wait_skip( p_sys->dvdnav );
 703         break;
 704
 705     default:
 706         msg_Warn( p_demux, "Unknown event (0x%x)", i_event );
 707         break;
 708     }
 709
 710 #if DVD_READ_CACHE
 711     dvdnav_free_cache_block( p_sys->dvdnav, packet );
 712 #endif
 713
 714     return 1;
 715 }
 716
 717 static void DemuxTitles( demux_t *p_demux )
 718 {
 719     demux_sys_t *p_sys = p_demux->p_sys;
 720     input_title_t *t;
 721     seekpoint_t *s;
 722     int32_t i_titles;
 723     int i;
 724
 725     /* Menu */
 726     t = vlc_input_title_New();
 727     t->b_menu = VLC_TRUE;
 728     t->psz_name = strdup( "DVD Menu" );
 729
 730     s = vlc_seekpoint_New();
 731     s->psz_name = strdup( "Resume" );
 732     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 733
 734     s = vlc_seekpoint_New();
 735     s->psz_name = strdup( "Root" );
 736     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 737
 738     s = vlc_seekpoint_New();
 739     s->psz_name = strdup( "Title" );
 740     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 741
 742     s = vlc_seekpoint_New();
 743     s->psz_name = strdup( "Chapter" );
 744     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 745
 746     s = vlc_seekpoint_New();
 747     s->psz_name = strdup( "Subtitle" );
 748     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 749
 750     s = vlc_seekpoint_New();
 751     s->psz_name = strdup( "Audio" );
 752     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 753
 754     s = vlc_seekpoint_New();
 755     s->psz_name = strdup( "Angle" );
 756     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 757
 758     TAB_APPEND( p_sys->i_title, p_sys->title, t );
 759
 760     /* Find out number of titles/chapters */
 761     dvdnav_get_number_of_titles( p_sys->dvdnav, &i_titles );
 762     for( i = 1; i <= i_titles; i++ )
 763     {
 764         int32_t i_chapters = 0;
 765         int j;
 766
 767         dvdnav_get_number_of_parts( p_sys->dvdnav, i, &i_chapters );
 768
 769         t = vlc_input_title_New();
 770         for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
 771         {
 772             s = vlc_seekpoint_New();
 773             TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 774         }
 775
 776         TAB_APPEND( p_sys->i_title, p_sys->title, t );
 777     }
 778 }
 779
 780 /*****************************************************************************
 781  * Update functions:
 782  *****************************************************************************/
 783 static void ButtonUpdate( demux_t *p_demux )
 784 {
 785     demux_sys_t *p_sys = p_demux->p_sys;
 786     vlc_value_t val;
 787     int32_t i_title, i_part;
 788
 789     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
 790
 791     if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
 792     {
 793         vlc_mutex_t *p_mutex = val.p_address;
 794         dvdnav_highlight_area_t hl;
 795         int32_t i_button;
 796
 797         if( dvdnav_get_current_highlight( p_sys->dvdnav, &i_button )
 798             != DVDNAV_STATUS_OK )
 799         {
 800             msg_Err( p_demux, "dvdnav_get_current_highlight failed" );
 801             return;
 802         }
 803
 804         if( i_button > 0 && i_title ==  0 )
 805         {
 806             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
 807
 808             dvdnav_get_highlight_area( pci, i_button, 1, &hl );
 809
 810             /* I fear it is plain wrong */
 811             //val.p_address = (void *)&hl.palette;
 812             p_sys->alpha[0] = hl.palette&0x0f;
 813             p_sys->alpha[1] = (hl.palette>>4)&0x0f;
 814             p_sys->alpha[2] = (hl.palette>>8)&0x0f;
 815             p_sys->alpha[3] = (hl.palette>>12)&0x0f;
 816
 817             vlc_mutex_lock( p_mutex );
 818             val.i_int = hl.sx; var_Set( p_sys->p_input, "x-start", val );
 819             val.i_int = hl.ex; var_Set( p_sys->p_input, "x-end", val );
 820             val.i_int = hl.sy; var_Set( p_sys->p_input, "y-start", val );
 821             val.i_int = hl.ey; var_Set( p_sys->p_input, "y-end", val );
 822
 823             val.p_address = (void *)p_sys->alpha;
 824             var_Set( p_sys->p_input, "contrast", val );
 825
 826             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
 827             vlc_mutex_unlock( p_mutex );
 828
 829             msg_Dbg( p_demux, "buttonUpdate %d", i_button );
 830         }
 831         else
 832         {
 833             msg_Dbg( p_demux, "buttonUpdate not done b=%d t=%d",
 834                      i_button, i_title );
 835
 836             /* Show all */
 837             vlc_mutex_lock( p_mutex );
 838             val.b_bool = VLC_FALSE;
 839             var_Set( p_sys->p_input, "highlight", val );
 840             vlc_mutex_unlock( p_mutex );
 841         }
 842     }
 843 }
 844
 845 static void ESSubtitleUpdate( demux_t *p_demux )
 846 {
 847     demux_sys_t *p_sys = p_demux->p_sys;
 848     int         i_spu = dvdnav_get_active_spu_stream( p_sys->dvdnav );
 849     int32_t i_title, i_part;
 850
 851     ButtonUpdate( p_demux );
 852
 853     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
 854     if( i_title > 0 )
 855     {
 856         return;
 857     }
 858
 859     if( i_spu >= 0 && i_spu <= 0x1f )
 860     {
 861         ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
 862
 863         if( !tk->b_seen )
 864         {
 865             ESNew( p_demux, 0xbd20 + i_spu);
 866         }
 867         /* be sure to unselect it (reset) */
 868         es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
 869                         (vlc_bool_t)VLC_FALSE );
 870
 871         /* now select it */
 872         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
 873     }
 874     else
 875     {
 876         for( i_spu = 0; i_spu <= 0x1F; i_spu++ )
 877         {
 878             ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
 879             if( tk->b_seen )
 880             {
 881                 es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
 882                                 (vlc_bool_t)VLC_FALSE );
 883             }
 884         }
 885     }
 886 }
 887
 888 /*****************************************************************************
 889  * DemuxBlock: demux a given block
 890  *****************************************************************************/
 891 static int DemuxBlock( demux_t *p_demux, uint8_t *pkt, int i_pkt )
 892 {
 893     demux_sys_t *p_sys = p_demux->p_sys;
 894     uint8_t     *p = pkt;
 895
 896     while( p < &pkt[i_pkt] )
 897     {
 898         int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
 899         block_t *p_pkt;
 900         if( i_size <= 0 )
 901         {
 902             break;
 903         }
 904
 905         /* Create a block */
 906         p_pkt = block_New( p_demux, i_size );
 907         memcpy( p_pkt->p_buffer, p, i_size);
 908
 909         /* Parse it and send it */
 910         switch( 0x100 | p[3] )
 911         {
 912         case 0x1b9:
 913         case 0x1bb:
 914         case 0x1bc:
 915 #ifdef DVDNAV_DEBUG
 916             if( p[3] == 0xbc )
 917             {
 918                 msg_Warn( p_demux, "received a PSM packet" );
 919             }
 920             else if( p[3] == 0xbb )
 921             {
 922                 msg_Warn( p_demux, "received a SYSTEM packet" );
 923             }
 924 #endif
 925             block_Release( p_pkt );
 926             break;
 927
 928         case 0x1ba:
 929         {
 930             int64_t i_scr;
 931             int i_mux_rate;
 932             if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
 933             {
 934                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
 935                 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
 936             }
 937             block_Release( p_pkt );
 938             break;
 939         }
 940         default:
 941         {
 942             int i_id = ps_pkt_id( p_pkt );
 943             if( i_id >= 0xc0 )
 944             {
 945                 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
 946
 947                 if( !tk->b_seen )
 948                 {
 949                     ESNew( p_demux, i_id );
 950                 }
 951                 if( tk->b_seen && tk->es &&
 952                     !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
 953                 {
 954                     es_out_Send( p_demux->out, tk->es, p_pkt );
 955                 }
 956                 else
 957                 {
 958                     block_Release( p_pkt );
 959                 }
 960             }
 961             else
 962             {
 963                 block_Release( p_pkt );
 964             }
 965             break;
 966         }
 967         }
 968
 969         p += i_size;
 970     }
 971
 972     return VLC_SUCCESS;
 973 }
 974
 975 /*****************************************************************************
 976  * ESNew: register a new elementary stream
 977  *****************************************************************************/
 978 static void ESNew( demux_t *p_demux, int i_id )
 979 {
 980     demux_sys_t *p_sys = p_demux->p_sys;
 981     ps_track_t  *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
 982     vlc_bool_t  b_select = VLC_FALSE;
 983
 984     if( tk->b_seen )
 985     {
 986         return;
 987     }
 988
 989     if( ps_track_fill( tk, i_id ) )
 990     {
 991         msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
 992         return;
 993     }
 994
 995     /* Add a new ES */
 996     if( tk->fmt.i_cat == VIDEO_ES )
 997     {
 998         if( p_sys->i_aspect >= 0 )
 999         {
1000             tk->fmt.video.i_aspect = p_sys->i_aspect;
1001         }
1002         b_select = VLC_TRUE;
1003     }
1004     else if( tk->fmt.i_cat == AUDIO_ES )
1005     {
1006         int i_audio = -1;
1007         /* find the audio number PLEASE find another way */
1008         if( (i_id&0xbdf8) == 0xbd88 )       /* dts */
1009         {
1010             i_audio = i_id&0x07;
1011         }
1012         else if( (i_id&0xbdf0) == 0xbd80 )  /* a52 */
1013         {
1014             i_audio = i_id&0xf;
1015         }
1016         else if( (i_id&0xbdf0) == 0xbda0 )  /* lpcm */
1017         {
1018             i_audio = i_id&0x1f;
1019         }
1020         else if( ( i_id&0xe0 ) == 0xc0 )    /* mpga */
1021         {
1022             i_audio = i_id&0x1f;
1023         }
1024         if( i_audio >= 0 )
1025         {
1026             int i_lang = dvdnav_audio_stream_to_lang( p_sys->dvdnav, i_audio );
1027             if( i_lang != 0xffff )
1028             {
1029                 tk->fmt.psz_language = malloc( 3 );
1030                 tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1031                 tk->fmt.psz_language[1] = (i_lang     )&0xff;
1032                 tk->fmt.psz_language[2] = 0;
1033             }
1034             if( dvdnav_get_active_audio_stream( p_sys->dvdnav ) == i_audio )
1035             {
1036                 b_select = VLC_TRUE;
1037             }
1038         }
1039     }
1040     else if( tk->fmt.i_cat == SPU_ES )
1041     {
1042         int32_t i_title, i_part;
1043         int i_lang = dvdnav_spu_stream_to_lang( p_sys->dvdnav, i_id&0x1f );
1044         if( i_lang != 0xffff )
1045         {
1046             tk->fmt.psz_language = malloc( 3 );
1047             tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1048             tk->fmt.psz_language[1] = (i_lang     )&0xff;
1049             tk->fmt.psz_language[2] = 0;
1050         }
1051
1052         /* Palette */
1053         tk->fmt.subs.spu.palette[0] = 0xBeef;
1054         memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
1055                 16 * sizeof( uint32_t ) );
1056
1057         /* We select only when we are not in the menu */
1058         dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1059         if( i_title > 0 &&
1060             dvdnav_get_active_spu_stream( p_sys->dvdnav ) == (i_id&0x1f) )
1061         {
1062             b_select = VLC_TRUE;
1063         }
1064     }
1065
1066     tk->es = es_out_Add( p_demux->out, &tk->fmt );
1067     if( b_select )
1068     {
1069         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1070     }
1071     tk->b_seen = VLC_TRUE;
1072 }
1073
1074 /*****************************************************************************
1075  * Event handler code
1076  *****************************************************************************/
1077 static int  EventMouse( vlc_object_t *, char const *,
1078                         vlc_value_t, vlc_value_t, void * );
1079 static int  EventKey  ( vlc_object_t *, char const *,
1080                         vlc_value_t, vlc_value_t, void * );
1081
1082 static int EventThread( vlc_object_t *p_this )
1083 {
1084     event_thread_t *p_ev = (event_thread_t*)p_this;
1085     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
1086     vlc_object_t   *p_vout = NULL;
1087
1088     vlc_mutex_init( p_ev, &p_ev->lock );
1089     p_ev->b_moved   = VLC_FALSE;
1090     p_ev->b_clicked = VLC_FALSE;
1091     p_ev->b_key     = VLC_FALSE;
1092     p_ev->b_still   = VLC_FALSE;
1093
1094     /* catch all key event */
1095     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
1096
1097     /* main loop */
1098     while( !p_ev->b_die )
1099     {
1100         vlc_bool_t b_activated = VLC_FALSE;
1101
1102         /* KEY part */
1103         if( p_ev->b_key )
1104         {
1105             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1106
1107             vlc_value_t valk;
1108             struct hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
1109             int i, i_action = -1;
1110
1111             vlc_mutex_lock( &p_ev->lock );
1112             var_Get( p_ev->p_vlc, "key-pressed", &valk );
1113             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
1114             {
1115                 if( p_hotkeys[i].i_key == valk.i_int )
1116                 {
1117                     i_action = p_hotkeys[i].i_action;
1118                 }
1119             }
1120
1121             switch( i_action )
1122             {
1123             case ACTIONID_NAV_LEFT:
1124                 dvdnav_left_button_select( p_sys->dvdnav, pci );
1125                 break;
1126             case ACTIONID_NAV_RIGHT:
1127                 dvdnav_right_button_select( p_sys->dvdnav, pci );
1128                 break;
1129             case ACTIONID_NAV_UP:
1130                 dvdnav_upper_button_select( p_sys->dvdnav, pci );
1131                 break;
1132             case ACTIONID_NAV_DOWN:
1133                 dvdnav_lower_button_select( p_sys->dvdnav, pci );
1134                 break;
1135             case ACTIONID_NAV_ACTIVATE:
1136                 b_activated = VLC_TRUE;
1137                 dvdnav_button_activate( p_sys->dvdnav, pci );
1138                 break;
1139             default:
1140                 break;
1141             }
1142             p_ev->b_key = VLC_FALSE;
1143             vlc_mutex_unlock( &p_ev->lock );
1144         }
1145
1146         /* VOUT part */
1147         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
1148         {
1149             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1150             vlc_value_t valx, valy;
1151
1152             vlc_mutex_lock( &p_ev->lock );
1153             var_Get( p_vout, "mouse-x", &valx );
1154             var_Get( p_vout, "mouse-y", &valy );
1155
1156             if( p_ev->b_moved )
1157             {
1158                 dvdnav_mouse_select( p_sys->dvdnav, pci, valx.i_int,
1159                                      valy.i_int );
1160             }
1161             if( p_ev->b_clicked )
1162             {
1163                 b_activated = VLC_TRUE;
1164                 dvdnav_mouse_activate( p_sys->dvdnav, pci, valx.i_int,
1165                                        valy.i_int );
1166             }
1167
1168             p_ev->b_moved = VLC_FALSE;
1169             p_ev->b_clicked = VLC_FALSE;
1170             vlc_mutex_unlock( &p_ev->lock );
1171         }
1172         if( p_vout && p_vout->b_die )
1173         {
1174             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1175             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1176             vlc_object_release( p_vout );
1177             p_vout = NULL;
1178         }
1179         if( p_vout == NULL )
1180         {
1181             p_vout = vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
1182                                       FIND_CHILD );
1183             if( p_vout)
1184             {
1185                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1186                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1187             }
1188         }
1189
1190         /* Still part */
1191         vlc_mutex_lock( &p_ev->lock );
1192         if( p_ev->b_still )
1193         {
1194             if( /* b_activated || // This breaks menus */
1195                 ( p_ev->i_still_end > 0 && p_ev->i_still_end < mdate() ))
1196             {
1197                 p_ev->b_still = VLC_FALSE;
1198                 dvdnav_still_skip( p_sys->dvdnav );
1199             }
1200         }
1201         vlc_mutex_unlock( &p_ev->lock );
1202
1203         /* Wait a bit */
1204         msleep( 10000 );
1205     }
1206
1207     /* Release callback */
1208     if( p_vout )
1209     {
1210         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1211         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1212         vlc_object_release( p_vout );
1213     }
1214     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
1215
1216     vlc_mutex_destroy( &p_ev->lock );
1217
1218     return VLC_SUCCESS;
1219 }
1220
1221 static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1222                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
1223 {
1224     event_thread_t *p_ev = p_data;
1225     vlc_mutex_lock( &p_ev->lock );
1226     if( psz_var[6] == 'c' )
1227         p_ev->b_clicked = VLC_TRUE;
1228     else if( psz_var[6] == 'm' )
1229         p_ev->b_moved = VLC_TRUE;
1230     vlc_mutex_unlock( &p_ev->lock );
1231
1232     return VLC_SUCCESS;
1233 }
1234
1235 static int EventKey( vlc_object_t *p_this, char const *psz_var,
1236                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
1237 {
1238     event_thread_t *p_ev = p_data;
1239     vlc_mutex_lock( &p_ev->lock );
1240     p_ev->b_key = VLC_TRUE;
1241     vlc_mutex_unlock( &p_ev->lock );
1242
1243     return VLC_SUCCESS;
1244 }
1245
1246 /*****************************************************************************
1247  * ProbeDVD: very weak probing that avoids going too often into a dvdnav_open()
1248  *****************************************************************************/
1249 static int ProbeDVD( demux_t *p_demux, char *psz_name )
1250 {
1251 #ifdef HAVE_SYS_STAT_H
1252     struct stat stat_info;
1253     uint8_t pi_anchor[2];
1254     uint16_t i_tag_id = 0;
1255     int i_fd, i_ret;
1256
1257     if( stat( psz_name, &stat_info ) || !S_ISREG( stat_info.st_mode ) )
1258     {
1259         /* Let dvdnav_open() do the probing */
1260         return VLC_SUCCESS;
1261     }
1262
1263     if( (i_fd = open( psz_name, O_RDONLY )) == -1 )
1264     {
1265         /* Let dvdnav_open() do the probing */
1266         return VLC_SUCCESS;
1267     }
1268
1269     /* Try to find the anchor (2 bytes at LBA 256) */
1270     i_ret = VLC_SUCCESS;
1271     if( lseek( i_fd, 256 * DVD_VIDEO_LB_LEN, SEEK_SET ) == -1 )
1272     {
1273         i_ret = VLC_EGENERIC;
1274     }
1275
1276     if( read( i_fd, pi_anchor, 2 ) == 2 )
1277     {
1278         i_tag_id = GetWLE(pi_anchor);
1279         if( i_tag_id != 2 ) i_ret = VLC_EGENERIC; /* Not an anchor */
1280     }
1281     else
1282     {
1283         i_ret = VLC_EGENERIC;
1284     }
1285
1286     close( i_fd );
1287
1288     return i_ret;
1289 #else
1290
1291     return VLC_SUCCESS;
1292 #endif
1293 }