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 #include <vlc/vlc.h>
  29 #include <vlc_input.h>
  30 #include <vlc_access.h>
  31 #include <vlc_demux.h>
  32
  33 #include <vlc_interface.h>
  34
  35 #ifdef HAVE_UNISTD_H
  36 #   include <unistd.h>
  37 #endif
  38 #ifdef HAVE_SYS_TYPES_H
  39 #   include <sys/types.h>
  40 #endif
  41 #ifdef HAVE_SYS_STAT_H
  42 #   include <sys/stat.h>
  43 #endif
  44 #ifdef HAVE_FCNTL_H
  45 #   include <fcntl.h>
  46 #endif
  47
  48 #include "vlc_keys.h"
  49 #include "iso_lang.h"
  50
  51 /* FIXME we should find a better way than including that */
  52 #include "../../src/text/iso-639_def.h"
  53
  54
  55 #include <dvdnav/dvdnav.h>
  56
  57 #include "../demux/ps.h"
  58
  59 /*****************************************************************************
  60  * Module descriptor
  61  *****************************************************************************/
  62 #define ANGLE_TEXT N_("DVD angle")
  63 #define ANGLE_LONGTEXT N_( \
  64      "Default DVD angle." )
  65
  66 #define CACHING_TEXT N_("Caching value in ms")
  67 #define CACHING_LONGTEXT N_( \
  68     "Caching value for DVDs. This "\
  69     "value should be set in milliseconds." )
  70 #define MENU_TEXT N_("Start directly in menu")
  71 #define MENU_LONGTEXT N_( \
  72     "Start the DVD directly in the main menu. This "\
  73     "will try to skip all the useless warning introductions." )
  74
  75 #define LANGUAGE_DEFAULT ("en")
  76
  77 static int  Open ( vlc_object_t * );
  78 static void Close( vlc_object_t * );
  79
  80 vlc_module_begin();
  81     set_shortname( _("DVD with menus") );
  82     set_description( _("DVDnav Input") );
  83     set_category( CAT_INPUT );
  84     set_subcategory( SUBCAT_INPUT_ACCESS );
  85     add_integer( "dvdnav-angle", 1, NULL, ANGLE_TEXT,
  86         ANGLE_LONGTEXT, VLC_FALSE );
  87     add_integer( "dvdnav-caching", DEFAULT_PTS_DELAY / 1000, NULL,
  88         CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
  89     add_bool( "dvdnav-menu", VLC_TRUE, NULL,
  90         MENU_TEXT, MENU_LONGTEXT, VLC_FALSE );
  91     set_capability( "access_demux", 5 );
  92     add_shortcut( "dvd" );
  93     add_shortcut( "dvdnav" );
  94     set_callbacks( Open, Close );
  95 vlc_module_end();
  96
  97 /* Shall we use libdvdnav's read ahead cache? */
  98 #define DVD_READ_CACHE 1
  99
 100 /*****************************************************************************
 101  * Local prototypes
 102  *****************************************************************************/
 103 typedef struct
 104 {
 105     VLC_COMMON_MEMBERS
 106
 107     demux_t        *p_demux;
 108     vlc_mutex_t     lock;
 109
 110     vlc_bool_t      b_moved;
 111     vlc_bool_t      b_clicked;
 112     vlc_bool_t      b_key;
 113
 114     vlc_bool_t      b_still;
 115     int64_t         i_still_end;
 116
 117 } event_thread_t;
 118
 119 static int EventThread( vlc_object_t * );
 120
 121 struct demux_sys_t
 122 {
 123     dvdnav_t    *dvdnav;
 124
 125     /* track */
 126     ps_track_t  tk[PS_TK_COUNT];
 127     int         i_mux_rate;
 128
 129     /* for spu variables */
 130     input_thread_t *p_input;
 131
 132     /* event */
 133     event_thread_t *p_ev;
 134
 135     /* palette for menus */
 136     uint32_t clut[16];
 137     uint8_t  palette[4][4];
 138     vlc_bool_t b_spu_change;
 139
 140     /* */
 141     int i_aspect;
 142
 143     int           i_title;
 144     input_title_t **title;
 145
 146     /* lenght of program group chain */
 147     mtime_t     i_pgc_length;
 148 };
 149
 150 static int Control( demux_t *, int, va_list );
 151 static int Demux( demux_t * );
 152 static int DemuxBlock( demux_t *, uint8_t *, int );
 153
 154 static void DemuxTitles( demux_t * );
 155 static void ESSubtitleUpdate( demux_t * );
 156 static void ButtonUpdate( demux_t *, vlc_bool_t );
 157
 158 static void ESNew( demux_t *, int );
 159 static int ProbeDVD( demux_t *, char * );
 160
 161 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var );
 162
 163 /*****************************************************************************
 164  * DemuxOpen:
 165  *****************************************************************************/
 166 static int Open( vlc_object_t *p_this )
 167 {
 168     demux_t     *p_demux = (demux_t*)p_this;
 169     demux_sys_t *p_sys;
 170     dvdnav_t    *p_dvdnav;
 171     int         i_angle;
 172     char        *psz_name;
 173     char        *psz_code;
 174     vlc_value_t val;
 175
 176     if( !p_demux->psz_path || !*p_demux->psz_path )
 177     {
 178         /* Only when selected */
 179         if( !p_this->b_force ) return VLC_EGENERIC;
 180
 181         psz_name = var_CreateGetString( p_this, "dvd" );
 182         if( !psz_name )
 183         {
 184             psz_name = strdup("");
 185         }
 186     }
 187     else
 188         psz_name = strdup( p_demux->psz_path );
 189
 190 #ifdef WIN32
 191     if( psz_name[0] && psz_name[1] == ':' &&
 192         psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
 193 #endif
 194
 195     /* Try some simple probing to avoid going through dvdnav_open too often */
 196     if( ProbeDVD( p_demux, psz_name ) != VLC_SUCCESS )
 197     {
 198         free( psz_name );
 199         return VLC_EGENERIC;
 200     }
 201
 202     /* Open dvdnav */
 203     if( dvdnav_open( &p_dvdnav, psz_name ) != DVDNAV_STATUS_OK )
 204     {
 205         msg_Warn( p_demux, "cannot open dvdnav" );
 206         free( psz_name );
 207         return VLC_EGENERIC;
 208     }
 209     free( psz_name );
 210
 211     /* Fill p_demux field */
 212     STANDARD_DEMUX_INIT; p_sys = p_demux->p_sys;
 213     p_sys->dvdnav = p_dvdnav;
 214
 215     ps_track_init( p_sys->tk );
 216     p_sys->i_aspect = -1;
 217     p_sys->i_mux_rate = 0;
 218     p_sys->i_pgc_length = 0;
 219     p_sys->b_spu_change = VLC_FALSE;
 220
 221     if( 1 )
 222     {
 223         // Hack for libdvdnav CVS.
 224         // Without it dvdnav_get_number_of_titles() fails.
 225         // Remove when fixed in libdvdnav CVS.
 226         uint8_t buffer[DVD_VIDEO_LB_LEN];
 227         int i_event, i_len;
 228
 229         if( dvdnav_get_next_block( p_sys->dvdnav, buffer, &i_event, &i_len )
 230               == DVDNAV_STATUS_ERR )
 231         {
 232             msg_Warn( p_demux, "dvdnav_get_next_block failed" );
 233         }
 234
 235         dvdnav_sector_search( p_sys->dvdnav, 0, SEEK_SET );
 236     }
 237
 238     /* Configure dvdnav */
 239     if( dvdnav_set_readahead_flag( p_sys->dvdnav, DVD_READ_CACHE ) !=
 240           DVDNAV_STATUS_OK )
 241     {
 242         msg_Warn( p_demux, "cannot set read-a-head flag" );
 243     }
 244
 245     if( dvdnav_set_PGC_positioning_flag( p_sys->dvdnav, 1 ) !=
 246           DVDNAV_STATUS_OK )
 247     {
 248         msg_Warn( p_demux, "cannot set PGC positioning flag" );
 249     }
 250
 251     /* Set menu language ("en")
 252      * XXX: maybe it would be better to set it like audio/spu
 253      * or to create a --menu-language option */
 254     if( dvdnav_menu_language_select( p_sys->dvdnav, LANGUAGE_DEFAULT ) !=
 255         DVDNAV_STATUS_OK )
 256     {
 257         msg_Warn( p_demux, "can't set menu language to '%s' (%s)",
 258                   LANGUAGE_DEFAULT, dvdnav_err_to_string( p_sys->dvdnav ) );
 259     }
 260
 261     /* Set audio language */
 262     psz_code = DemuxGetLanguageCode( p_demux, "audio-language" );
 263     if( dvdnav_audio_language_select( p_sys->dvdnav, psz_code ) !=
 264         DVDNAV_STATUS_OK )
 265     {
 266         msg_Warn( p_demux, "can't set audio language to '%s' (%s)",
 267                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 268         /* We try to fall back to 'en' */
 269         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 270             dvdnav_audio_language_select( p_sys->dvdnav, LANGUAGE_DEFAULT );
 271     }
 272     free( psz_code );
 273
 274     /* Set spu language */
 275     psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
 276     if( dvdnav_spu_language_select( p_sys->dvdnav, psz_code ) !=
 277         DVDNAV_STATUS_OK )
 278     {
 279         msg_Warn( p_demux, "can't set spu language to '%s' (%s)",
 280                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 281         /* We try to fall back to 'en' */
 282         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 283             dvdnav_spu_language_select(p_sys->dvdnav, LANGUAGE_DEFAULT );
 284     }
 285     free( psz_code );
 286
 287     DemuxTitles( p_demux );
 288
 289     var_Create( p_demux, "dvdnav-menu", VLC_VAR_BOOL|VLC_VAR_DOINHERIT );
 290     var_Get( p_demux, "dvdnav-menu", &val );
 291     if( val.b_bool )
 292     {
 293         msg_Dbg( p_demux, "trying to go to dvd menu" );
 294
 295         if( dvdnav_title_play( p_sys->dvdnav, 1 ) != DVDNAV_STATUS_OK )
 296         {
 297             msg_Err( p_demux, "cannot set title (can't decrypt DVD?)" );
 298             intf_UserFatal( p_demux, VLC_FALSE, _("Playback failure"),
 299                             _("VLC cannot set the DVD's title. It possibly "
 300                               "cannot decrypt the entire disk.") );
 301             dvdnav_close( p_sys->dvdnav );
 302             free( p_sys );
 303             return VLC_EGENERIC;
 304         }
 305
 306         if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title ) !=
 307             DVDNAV_STATUS_OK )
 308         {
 309             /* Try going to menu root */
 310             if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root ) !=
 311                 DVDNAV_STATUS_OK )
 312                     msg_Warn( p_demux, "cannot go to dvd menu" );
 313         }
 314     }
 315
 316     var_Create( p_demux, "dvdnav-angle", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 317     var_Get( p_demux, "dvdnav-angle", &val );
 318     i_angle = val.i_int > 0 ? val.i_int : 1;
 319
 320     /* Update default_pts to a suitable value for dvdnav access */
 321     var_Create( p_demux, "dvdnav-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 322
 323     /* FIXME hack hack hack hack FIXME */
 324     /* Get p_input and create variable */
 325     p_sys->p_input = vlc_object_find( p_demux, VLC_OBJECT_INPUT, FIND_PARENT );
 326     var_Create( p_sys->p_input, "x-start", VLC_VAR_INTEGER );
 327     var_Create( p_sys->p_input, "y-start", VLC_VAR_INTEGER );
 328     var_Create( p_sys->p_input, "x-end", VLC_VAR_INTEGER );
 329     var_Create( p_sys->p_input, "y-end", VLC_VAR_INTEGER );
 330     var_Create( p_sys->p_input, "color", VLC_VAR_ADDRESS );
 331     var_Create( p_sys->p_input, "menu-palette", VLC_VAR_ADDRESS );
 332     var_Create( p_sys->p_input, "highlight", VLC_VAR_BOOL );
 333     var_Create( p_sys->p_input, "highlight-mutex", VLC_VAR_MUTEX );
 334
 335     /* Now create our event thread catcher */
 336     p_sys->p_ev = vlc_object_create( p_demux, sizeof( event_thread_t ) );
 337     p_sys->p_ev->p_demux = p_demux;
 338     vlc_thread_create( p_sys->p_ev, "dvdnav event thread handler", EventThread,
 339                        VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
 340
 341     return VLC_SUCCESS;
 342 }
 343
 344 /*****************************************************************************
 345  * Close:
 346  *****************************************************************************/
 347 static void Close( vlc_object_t *p_this )
 348 {
 349     demux_t     *p_demux = (demux_t*)p_this;
 350     demux_sys_t *p_sys = p_demux->p_sys;
 351     int i;
 352
 353     /* stop the event handler */
 354     vlc_object_kill( p_sys->p_ev );
 355     vlc_thread_join( p_sys->p_ev );
 356     vlc_object_destroy( p_sys->p_ev );
 357
 358     var_Destroy( p_sys->p_input, "highlight-mutex" );
 359     var_Destroy( p_sys->p_input, "highlight" );
 360     var_Destroy( p_sys->p_input, "x-start" );
 361     var_Destroy( p_sys->p_input, "x-end" );
 362     var_Destroy( p_sys->p_input, "y-start" );
 363     var_Destroy( p_sys->p_input, "y-end" );
 364     var_Destroy( p_sys->p_input, "color" );
 365     var_Destroy( p_sys->p_input, "menu-palette" );
 366
 367     vlc_object_release( p_sys->p_input );
 368
 369     for( i = 0; i < PS_TK_COUNT; i++ )
 370     {
 371         ps_track_t *tk = &p_sys->tk[i];
 372         if( tk->b_seen )
 373         {
 374             es_format_Clean( &tk->fmt );
 375             if( tk->es ) es_out_Del( p_demux->out, tk->es );
 376         }
 377     }
 378
 379     dvdnav_close( p_sys->dvdnav );
 380     free( p_sys );
 381 }
 382
 383 /*****************************************************************************
 384  * Control:
 385  *****************************************************************************/
 386 static int Control( demux_t *p_demux, int i_query, va_list args )
 387 {
 388     demux_sys_t *p_sys = p_demux->p_sys;
 389     double f, *pf;
 390     vlc_bool_t *pb;
 391     int64_t *pi64;
 392     input_title_t ***ppp_title;
 393     int          *pi_int;
 394     int i;
 395
 396     switch( i_query )
 397     {
 398         case DEMUX_SET_POSITION:
 399         case DEMUX_GET_POSITION:
 400         case DEMUX_GET_TIME:
 401         case DEMUX_GET_LENGTH:
 402         {
 403             uint32_t pos, len;
 404             if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) !=
 405                   DVDNAV_STATUS_OK || len == 0 )
 406             {
 407                 return VLC_EGENERIC;
 408             }
 409
 410             if( i_query == DEMUX_GET_POSITION )
 411             {
 412                 pf = (double*)va_arg( args, double* );
 413                 *pf = (double)pos / (double)len;
 414                 return VLC_SUCCESS;
 415             }
 416             else if( i_query == DEMUX_SET_POSITION )
 417             {
 418                 f = (double)va_arg( args, double );
 419                 pos = f * len;
 420                 if( dvdnav_sector_search( p_sys->dvdnav, pos, SEEK_SET ) ==
 421                       DVDNAV_STATUS_OK )
 422                 {
 423                     return VLC_SUCCESS;
 424                 }
 425             }
 426             else if( i_query == DEMUX_GET_TIME )
 427             {
 428                 pi64 = (int64_t*)va_arg( args, int64_t * );
 429                 if( p_sys->i_pgc_length > 0 )
 430                 {
 431                     *pi64 = p_sys->i_pgc_length * pos / len;
 432                     return VLC_SUCCESS;
 433                 }
 434             }
 435             else if( i_query == DEMUX_GET_LENGTH )
 436             {
 437                 pi64 = (int64_t*)va_arg( args, int64_t * );
 438                 if( p_sys->i_pgc_length > 0 )
 439                 {
 440                     *pi64 = (int64_t)p_sys->i_pgc_length;
 441                     return VLC_SUCCESS;
 442                 }
 443             }
 444
 445             return VLC_EGENERIC;
 446         }
 447
 448         /* Special for access_demux */
 449         case DEMUX_CAN_PAUSE:
 450         case DEMUX_CAN_CONTROL_PACE:
 451             /* TODO */
 452             pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
 453             *pb = VLC_TRUE;
 454             return VLC_SUCCESS;
 455
 456         case DEMUX_SET_PAUSE_STATE:
 457             return VLC_SUCCESS;
 458
 459         case DEMUX_GET_TITLE_INFO:
 460             ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
 461             pi_int    = (int*)va_arg( args, int* );
 462             *((int*)va_arg( args, int* )) = 0; /* Title offset */
 463             *((int*)va_arg( args, int* )) = 1; /* Chapter offset */
 464
 465             /* Duplicate title infos */
 466             *pi_int = p_sys->i_title;
 467             *ppp_title = malloc( sizeof( input_title_t ** ) * p_sys->i_title );
 468             for( i = 0; i < p_sys->i_title; i++ )
 469             {
 470                 (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->title[i] );
 471             }
 472             return VLC_SUCCESS;
 473
 474         case DEMUX_SET_TITLE:
 475             i = (int)va_arg( args, int );
 476             if( ( i == 0 && dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root )
 477                   != DVDNAV_STATUS_OK ) ||
 478                 ( i != 0 && dvdnav_title_play( p_sys->dvdnav, i )
 479                   != DVDNAV_STATUS_OK ) )
 480             {
 481                 msg_Warn( p_demux, "cannot set title/chapter" );
 482                 return VLC_EGENERIC;
 483             }
 484             p_demux->info.i_update |=
 485                 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
 486             p_demux->info.i_title = i;
 487             p_demux->info.i_seekpoint = 0;
 488             return VLC_SUCCESS;
 489
 490         case DEMUX_SET_SEEKPOINT:
 491             i = (int)va_arg( args, int );
 492             if( p_demux->info.i_title == 0 )
 493             {
 494                 int i_ret;
 495                 /* Special case */
 496                 switch( i )
 497                 {
 498                 case 0:
 499                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Escape );
 500                     break;
 501                 case 1:
 502                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root );
 503                     break;
 504                 case 2:
 505                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title );
 506                     break;
 507                 case 3:
 508                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Part );
 509                     break;
 510                 case 4:
 511                     i_ret = dvdnav_menu_call( p_sys->dvdnav,
 512                                               DVD_MENU_Subpicture );
 513                     break;
 514                 case 5:
 515                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Audio );
 516                     break;
 517                 case 6:
 518                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Angle );
 519                     break;
 520                 default:
 521                     return VLC_EGENERIC;
 522                 }
 523
 524                 if( i_ret != DVDNAV_STATUS_OK )
 525                     return VLC_EGENERIC;
 526             }
 527             else if( dvdnav_part_play( p_sys->dvdnav, p_demux->info.i_title,
 528                                        i + 1 ) != DVDNAV_STATUS_OK )
 529             {
 530                 msg_Warn( p_demux, "cannot set title/chapter" );
 531                 return VLC_EGENERIC;
 532             }
 533             p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 534             p_demux->info.i_seekpoint = i;
 535             return VLC_SUCCESS;
 536
 537         case DEMUX_GET_PTS_DELAY:
 538             pi64 = (int64_t*)va_arg( args, int64_t * );
 539             *pi64 = (int64_t)var_GetInteger( p_demux, "dvdnav-caching" ) *1000;
 540             return VLC_SUCCESS;
 541
 542         case DEMUX_GET_META:
 543         {
 544             const char *title_name = NULL;
 545
 546             dvdnav_get_title_string(p_sys->dvdnav, &title_name);
 547             if( (NULL != title_name) && ('\0' != title_name[0]) )
 548             {
 549                 vlc_meta_t *p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
 550                 vlc_meta_Set( p_meta, vlc_meta_Title, title_name );
 551                 return VLC_SUCCESS;
 552             }
 553             return VLC_EGENERIC;
 554         }
 555
 556         /* TODO implement others */
 557         default:
 558             return VLC_EGENERIC;
 559     }
 560 }
 561
 562 /*****************************************************************************
 563  * Demux:
 564  *****************************************************************************/
 565 static int Demux( demux_t *p_demux )
 566 {
 567     demux_sys_t *p_sys = p_demux->p_sys;
 568
 569     uint8_t buffer[DVD_VIDEO_LB_LEN];
 570     uint8_t *packet = buffer;
 571     int i_event;
 572     int i_len;
 573
 574 #if DVD_READ_CACHE
 575     if( dvdnav_get_next_cache_block( p_sys->dvdnav, &packet, &i_event, &i_len )
 576         == DVDNAV_STATUS_ERR )
 577 #else
 578     if( dvdnav_get_next_block( p_sys->dvdnav, packet, &i_event, &i_len )
 579         == DVDNAV_STATUS_ERR )
 580 #endif
 581     {
 582         msg_Warn( p_demux, "cannot get next block (%s)",
 583                   dvdnav_err_to_string( p_sys->dvdnav ) );
 584         return -1;
 585     }
 586
 587     switch( i_event )
 588     {
 589     case DVDNAV_BLOCK_OK:   /* mpeg block */
 590         DemuxBlock( p_demux, packet, i_len );
 591         break;
 592
 593     case DVDNAV_NOP:    /* Nothing */
 594         msg_Dbg( p_demux, "DVDNAV_NOP" );
 595         break;
 596
 597     case DVDNAV_STILL_FRAME:
 598     {
 599         dvdnav_still_event_t *event = (dvdnav_still_event_t*)packet;
 600         vlc_mutex_lock( &p_sys->p_ev->lock );
 601         if( !p_sys->p_ev->b_still )
 602         {
 603             msg_Dbg( p_demux, "DVDNAV_STILL_FRAME" );
 604             msg_Dbg( p_demux, "     - length=0x%x", event->length );
 605             p_sys->p_ev->b_still = VLC_TRUE;
 606             if( event->length == 0xff )
 607             {
 608                 p_sys->p_ev->i_still_end = 0;
 609             }
 610             else
 611             {
 612                 p_sys->p_ev->i_still_end = (int64_t)event->length *
 613                     1000000 + mdate() + p_sys->p_input->i_pts_delay;
 614             }
 615         }
 616         vlc_mutex_unlock( &p_sys->p_ev->lock );
 617         msleep( 40000 );
 618         break;
 619     }
 620
 621     case DVDNAV_SPU_CLUT_CHANGE:
 622     {
 623         int i;
 624
 625         msg_Dbg( p_demux, "DVDNAV_SPU_CLUT_CHANGE" );
 626         /* Update color lookup table (16 *uint32_t in packet) */
 627         memcpy( p_sys->clut, packet, 16 * sizeof( uint32_t ) );
 628
 629         /* HACK to get the SPU tracks registered in the right order */
 630         for( i = 0; i < 0x1f; i++ )
 631         {
 632             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 633                 ESNew( p_demux, 0xbd20 + i );
 634         }
 635         /* END HACK */
 636         break;
 637     }
 638
 639     case DVDNAV_SPU_STREAM_CHANGE:
 640     {
 641         dvdnav_spu_stream_change_event_t *event =
 642             (dvdnav_spu_stream_change_event_t*)packet;
 643         int i;
 644
 645         msg_Dbg( p_demux, "DVDNAV_SPU_STREAM_CHANGE" );
 646         msg_Dbg( p_demux, "     - physical_wide=%d",
 647                  event->physical_wide );
 648         msg_Dbg( p_demux, "     - physical_letterbox=%d",
 649                  event->physical_letterbox);
 650         msg_Dbg( p_demux, "     - physical_pan_scan=%d",
 651                  event->physical_pan_scan );
 652
 653         ESSubtitleUpdate( p_demux );
 654         p_sys->b_spu_change = VLC_TRUE;
 655
 656         /* HACK to get the SPU tracks registered in the right order */
 657         for( i = 0; i < 0x1f; i++ )
 658         {
 659             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 660                 ESNew( p_demux, 0xbd20 + i );
 661         }
 662         /* END HACK */
 663         break;
 664     }
 665
 666     case DVDNAV_AUDIO_STREAM_CHANGE:
 667     {
 668         dvdnav_audio_stream_change_event_t *event =
 669             (dvdnav_audio_stream_change_event_t*)packet;
 670         msg_Dbg( p_demux, "DVDNAV_AUDIO_STREAM_CHANGE" );
 671         msg_Dbg( p_demux, "     - physical=%d", event->physical );
 672         /* TODO */
 673         break;
 674     }
 675
 676     case DVDNAV_VTS_CHANGE:
 677     {
 678         int32_t i_title = 0;
 679         int32_t i_part  = 0;
 680         int i;
 681
 682         dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t*)packet;
 683         msg_Dbg( p_demux, "DVDNAV_VTS_CHANGE" );
 684         msg_Dbg( p_demux, "     - vtsN=%d", event->new_vtsN );
 685         msg_Dbg( p_demux, "     - domain=%d", event->new_domain );
 686
 687         /* dvdnav_get_video_aspect / dvdnav_get_video_scale_permission */
 688         /* TODO check if we always have VTS and CELL */
 689         p_sys->i_aspect = dvdnav_get_video_aspect( p_sys->dvdnav );
 690
 691         /* reset PCR */
 692         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 693
 694         for( i = 0; i < PS_TK_COUNT; i++ )
 695         {
 696             ps_track_t *tk = &p_sys->tk[i];
 697             if( tk->b_seen )
 698             {
 699                 es_format_Clean( &tk->fmt );
 700                 if( tk->es ) es_out_Del( p_demux->out, tk->es );
 701             }
 702             tk->b_seen = VLC_FALSE;
 703         }
 704
 705         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 706                                        &i_part ) == DVDNAV_STATUS_OK )
 707         {
 708             if( i_title >= 0 && i_title < p_sys->i_title &&
 709                 p_demux->info.i_title != i_title )
 710             {
 711                 p_demux->info.i_update |= INPUT_UPDATE_TITLE;
 712                 p_demux->info.i_title = i_title;
 713             }
 714         }
 715         break;
 716     }
 717
 718     case DVDNAV_CELL_CHANGE:
 719     {
 720         int32_t i_title = 0;
 721         int32_t i_part  = 0;
 722
 723         dvdnav_cell_change_event_t *event =
 724             (dvdnav_cell_change_event_t*)packet;
 725         msg_Dbg( p_demux, "DVDNAV_CELL_CHANGE" );
 726         msg_Dbg( p_demux, "     - cellN=%d", event->cellN );
 727         msg_Dbg( p_demux, "     - pgN=%d", event->pgN );
 728         msg_Dbg( p_demux, "     - cell_length="I64Fd, event->cell_length );
 729         msg_Dbg( p_demux, "     - pg_length="I64Fd, event->pg_length );
 730         msg_Dbg( p_demux, "     - pgc_length="I64Fd, event->pgc_length );
 731         msg_Dbg( p_demux, "     - cell_start="I64Fd, event->cell_start );
 732         msg_Dbg( p_demux, "     - pg_start="I64Fd, event->pg_start );
 733
 734         /* Store the lenght in time of the current PGC */
 735         p_sys->i_pgc_length = event->pgc_length / 90 * 1000;
 736
 737         /* FIXME is it correct or there is better way to know chapter change */
 738         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 739                                        &i_part ) == DVDNAV_STATUS_OK )
 740         {
 741             if( i_title >= 0 && i_title < p_sys->i_title &&
 742                 i_part >= 1 && i_part <= p_sys->title[i_title]->i_seekpoint &&
 743                 p_demux->info.i_seekpoint != i_part - 1 )
 744             {
 745                 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 746                 p_demux->info.i_seekpoint = i_part - 1;
 747             }
 748         }
 749         break;
 750     }
 751
 752     case DVDNAV_NAV_PACKET:
 753     {
 754 #ifdef DVDNAV_DEBUG
 755         msg_Dbg( p_demux, "DVDNAV_NAV_PACKET" );
 756 #endif
 757         /* A lot of thing to do here :
 758          *  - handle packet
 759          *  - fetch pts (for time display)
 760          *  - ...
 761          */
 762         DemuxBlock( p_demux, packet, i_len );
 763         if( p_sys->b_spu_change )
 764         {
 765             ButtonUpdate( p_demux, VLC_FALSE );
 766             p_sys->b_spu_change = VLC_FALSE;
 767         }
 768         break;
 769     }
 770
 771     case DVDNAV_STOP:   /* EOF */
 772         msg_Dbg( p_demux, "DVDNAV_STOP" );
 773
 774 #if DVD_READ_CACHE
 775         dvdnav_free_cache_block( p_sys->dvdnav, packet );
 776 #endif
 777         return 0;
 778
 779     case DVDNAV_HIGHLIGHT:
 780     {
 781         dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t*)packet;
 782         msg_Dbg( p_demux, "DVDNAV_HIGHLIGHT" );
 783         msg_Dbg( p_demux, "     - display=%d", event->display );
 784         msg_Dbg( p_demux, "     - buttonN=%d", event->buttonN );
 785         ButtonUpdate( p_demux, VLC_FALSE );
 786         break;
 787     }
 788
 789     case DVDNAV_HOP_CHANNEL:
 790         msg_Dbg( p_demux, "DVDNAV_HOP_CHANNEL" );
 791         /* We should try to flush all our internal buffer */
 792         break;
 793
 794     case DVDNAV_WAIT:
 795         msg_Dbg( p_demux, "DVDNAV_WAIT" );
 796
 797         /* reset PCR */
 798         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 799         dvdnav_wait_skip( p_sys->dvdnav );
 800         break;
 801
 802     default:
 803         msg_Warn( p_demux, "Unknown event (0x%x)", i_event );
 804         break;
 805     }
 806
 807 #if DVD_READ_CACHE
 808     dvdnav_free_cache_block( p_sys->dvdnav, packet );
 809 #endif
 810
 811     return 1;
 812 }
 813
 814 /* Get a 2 char code
 815  * FIXME: partiallyy duplicated from src/input/es_out.c
 816  */
 817 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var )
 818 {
 819     const iso639_lang_t *pl;
 820     char *psz_lang;
 821     char *p;
 822
 823     psz_lang = var_CreateGetString( p_demux, psz_var );
 824     /* XXX: we will use only the first value
 825      * (and ignore other ones in case of a list) */
 826     if( ( p = strchr( psz_lang, ',' ) ) ) *p = '\0';
 827
 828     for( pl = p_languages; pl->psz_iso639_1 != NULL; pl++ )
 829     {
 830         if( !strcasecmp( pl->psz_eng_name, psz_lang ) ||
 831             !strcasecmp( pl->psz_native_name, psz_lang ) ||
 832             !strcasecmp( pl->psz_iso639_1, psz_lang ) ||
 833             !strcasecmp( pl->psz_iso639_2T, psz_lang ) ||
 834             !strcasecmp( pl->psz_iso639_2B, psz_lang ) )
 835             break;
 836     }
 837
 838     free( psz_lang );
 839
 840     if( pl->psz_iso639_1 != NULL )
 841         return strdup( pl->psz_iso639_1 );
 842
 843     return strdup(LANGUAGE_DEFAULT);
 844 }
 845
 846 static void DemuxTitles( demux_t *p_demux )
 847 {
 848     demux_sys_t *p_sys = p_demux->p_sys;
 849     input_title_t *t;
 850     seekpoint_t *s;
 851     int32_t i_titles;
 852     int i;
 853
 854     /* Menu */
 855     t = vlc_input_title_New();
 856     t->b_menu = VLC_TRUE;
 857     t->psz_name = strdup( "DVD Menu" );
 858
 859     s = vlc_seekpoint_New();
 860     s->psz_name = strdup( "Resume" );
 861     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 862
 863     s = vlc_seekpoint_New();
 864     s->psz_name = strdup( "Root" );
 865     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 866
 867     s = vlc_seekpoint_New();
 868     s->psz_name = strdup( "Title" );
 869     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 870
 871     s = vlc_seekpoint_New();
 872     s->psz_name = strdup( "Chapter" );
 873     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 874
 875     s = vlc_seekpoint_New();
 876     s->psz_name = strdup( "Subtitle" );
 877     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 878
 879     s = vlc_seekpoint_New();
 880     s->psz_name = strdup( "Audio" );
 881     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 882
 883     s = vlc_seekpoint_New();
 884     s->psz_name = strdup( "Angle" );
 885     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 886
 887     TAB_APPEND( p_sys->i_title, p_sys->title, t );
 888
 889     /* Find out number of titles/chapters */
 890     dvdnav_get_number_of_titles( p_sys->dvdnav, &i_titles );
 891     for( i = 1; i <= i_titles; i++ )
 892     {
 893         int32_t i_chapters = 0;
 894         int j;
 895
 896         dvdnav_get_number_of_parts( p_sys->dvdnav, i, &i_chapters );
 897
 898         t = vlc_input_title_New();
 899         for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
 900         {
 901             s = vlc_seekpoint_New();
 902             TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 903         }
 904
 905         TAB_APPEND( p_sys->i_title, p_sys->title, t );
 906     }
 907 }
 908
 909 /*****************************************************************************
 910  * Update functions:
 911  *****************************************************************************/
 912 static void ButtonUpdate( demux_t *p_demux, vlc_bool_t b_mode )
 913 {
 914     demux_sys_t *p_sys = p_demux->p_sys;
 915     vlc_value_t val;
 916     int32_t i_title, i_part;
 917
 918     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
 919
 920     if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
 921     {
 922         vlc_mutex_t *p_mutex = val.p_address;
 923         dvdnav_highlight_area_t hl;
 924         int32_t i_button;
 925
 926         if( dvdnav_get_current_highlight( p_sys->dvdnav, &i_button )
 927             != DVDNAV_STATUS_OK )
 928         {
 929             msg_Err( p_demux, "dvdnav_get_current_highlight failed" );
 930             return;
 931         }
 932
 933         if( i_button > 0 && i_title ==  0 )
 934         {
 935             int i;
 936             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
 937
 938             dvdnav_get_highlight_area( pci, i_button, b_mode, &hl );
 939
 940             for( i = 0; i < 4; i++ )
 941             {
 942                 uint32_t i_yuv = p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
 943                 uint8_t i_alpha = (hl.palette>>(i*4))&0x0f;
 944                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
 945
 946                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
 947                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
 948                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
 949                 p_sys->palette[i][3] = i_alpha;
 950             }
 951
 952             vlc_mutex_lock( p_mutex );
 953             val.i_int = hl.sx; var_Set( p_sys->p_input, "x-start", val );
 954             val.i_int = hl.ex; var_Set( p_sys->p_input, "x-end", val );
 955             val.i_int = hl.sy; var_Set( p_sys->p_input, "y-start", val );
 956             val.i_int = hl.ey; var_Set( p_sys->p_input, "y-end", val );
 957
 958             val.p_address = (void *)p_sys->palette;
 959             var_Set( p_sys->p_input, "menu-palette", val );
 960
 961             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
 962             vlc_mutex_unlock( p_mutex );
 963
 964             msg_Dbg( p_demux, "buttonUpdate %d", i_button );
 965         }
 966         else
 967         {
 968             msg_Dbg( p_demux, "buttonUpdate not done b=%d t=%d",
 969                      i_button, i_title );
 970
 971             /* Show all */
 972             vlc_mutex_lock( p_mutex );
 973             val.b_bool = VLC_FALSE;
 974             var_Set( p_sys->p_input, "highlight", val );
 975             vlc_mutex_unlock( p_mutex );
 976         }
 977     }
 978 }
 979
 980 static void ESSubtitleUpdate( demux_t *p_demux )
 981 {
 982     demux_sys_t *p_sys = p_demux->p_sys;
 983     int         i_spu = dvdnav_get_active_spu_stream( p_sys->dvdnav );
 984     int32_t i_title, i_part;
 985
 986     ButtonUpdate( p_demux, VLC_FALSE );
 987
 988     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
 989     if( i_title > 0 ) return;
 990
 991     if( i_spu >= 0 && i_spu <= 0x1f )
 992     {
 993         ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
 994
 995         ESNew( p_demux, 0xbd20 + i_spu );
 996
 997         /* be sure to unselect it (reset) */
 998         es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
 999                         (vlc_bool_t)VLC_FALSE );
1000
1001         /* now select it */
1002         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1003     }
1004     else
1005     {
1006         for( i_spu = 0; i_spu <= 0x1F; i_spu++ )
1007         {
1008             ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1009             if( tk->b_seen )
1010             {
1011                 es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1012                                 (vlc_bool_t)VLC_FALSE );
1013             }
1014         }
1015     }
1016 }
1017
1018 /*****************************************************************************
1019  * DemuxBlock: demux a given block
1020  *****************************************************************************/
1021 static int DemuxBlock( demux_t *p_demux, uint8_t *pkt, int i_pkt )
1022 {
1023     demux_sys_t *p_sys = p_demux->p_sys;
1024     uint8_t     *p = pkt;
1025
1026     while( p < &pkt[i_pkt] )
1027     {
1028         int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
1029         block_t *p_pkt;
1030         if( i_size <= 0 )
1031         {
1032             break;
1033         }
1034
1035         /* Create a block */
1036         p_pkt = block_New( p_demux, i_size );
1037         memcpy( p_pkt->p_buffer, p, i_size);
1038
1039         /* Parse it and send it */
1040         switch( 0x100 | p[3] )
1041         {
1042         case 0x1b9:
1043         case 0x1bb:
1044         case 0x1bc:
1045 #ifdef DVDNAV_DEBUG
1046             if( p[3] == 0xbc )
1047             {
1048                 msg_Warn( p_demux, "received a PSM packet" );
1049             }
1050             else if( p[3] == 0xbb )
1051             {
1052                 msg_Warn( p_demux, "received a SYSTEM packet" );
1053             }
1054 #endif
1055             block_Release( p_pkt );
1056             break;
1057
1058         case 0x1ba:
1059         {
1060             int64_t i_scr;
1061             int i_mux_rate;
1062             if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
1063             {
1064                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
1065                 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
1066             }
1067             block_Release( p_pkt );
1068             break;
1069         }
1070         default:
1071         {
1072             int i_id = ps_pkt_id( p_pkt );
1073             if( i_id >= 0xc0 )
1074             {
1075                 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1076
1077                 if( !tk->b_seen )
1078                 {
1079                     ESNew( p_demux, i_id );
1080                 }
1081                 if( tk->b_seen && tk->es &&
1082                     !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
1083                 {
1084                     es_out_Send( p_demux->out, tk->es, p_pkt );
1085                 }
1086                 else
1087                 {
1088                     block_Release( p_pkt );
1089                 }
1090             }
1091             else
1092             {
1093                 block_Release( p_pkt );
1094             }
1095             break;
1096         }
1097         }
1098
1099         p += i_size;
1100     }
1101
1102     return VLC_SUCCESS;
1103 }
1104
1105 /*****************************************************************************
1106  * ESNew: register a new elementary stream
1107  *****************************************************************************/
1108 static void ESNew( demux_t *p_demux, int i_id )
1109 {
1110     demux_sys_t *p_sys = p_demux->p_sys;
1111     ps_track_t  *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1112     vlc_bool_t  b_select = VLC_FALSE;
1113
1114     if( tk->b_seen ) return;
1115
1116     if( ps_track_fill( tk, 0, i_id ) )
1117     {
1118         msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
1119         return;
1120     }
1121
1122     /* Add a new ES */
1123     if( tk->fmt.i_cat == VIDEO_ES )
1124     {
1125         switch( p_sys->i_aspect )
1126         {
1127             /* TODO Any docs somewhere ? */
1128         default:
1129             tk->fmt.video.i_aspect = 0;
1130             break;
1131         }
1132         b_select = VLC_TRUE;
1133     }
1134     else if( tk->fmt.i_cat == AUDIO_ES )
1135     {
1136         int i_audio = -1;
1137         /* find the audio number PLEASE find another way */
1138         if( (i_id&0xbdf8) == 0xbd88 )       /* dts */
1139         {
1140             i_audio = i_id&0x07;
1141         }
1142         else if( (i_id&0xbdf0) == 0xbd80 )  /* a52 */
1143         {
1144             i_audio = i_id&0xf;
1145         }
1146         else if( (i_id&0xbdf0) == 0xbda0 )  /* lpcm */
1147         {
1148             i_audio = i_id&0x1f;
1149         }
1150         else if( ( i_id&0xe0 ) == 0xc0 )    /* mpga */
1151         {
1152             i_audio = i_id&0x1f;
1153         }
1154         if( i_audio >= 0 )
1155         {
1156             int i_lang = dvdnav_audio_stream_to_lang( p_sys->dvdnav, i_audio );
1157             if( i_lang != 0xffff )
1158             {
1159                 tk->fmt.psz_language = malloc( 3 );
1160                 tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1161                 tk->fmt.psz_language[1] = (i_lang     )&0xff;
1162                 tk->fmt.psz_language[2] = 0;
1163             }
1164             if( dvdnav_get_active_audio_stream( p_sys->dvdnav ) == i_audio )
1165             {
1166                 b_select = VLC_TRUE;
1167             }
1168         }
1169     }
1170     else if( tk->fmt.i_cat == SPU_ES )
1171     {
1172         int32_t i_title, i_part;
1173         int i_lang = dvdnav_spu_stream_to_lang( p_sys->dvdnav, i_id&0x1f );
1174         if( i_lang != 0xffff )
1175         {
1176             tk->fmt.psz_language = malloc( 3 );
1177             tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1178             tk->fmt.psz_language[1] = (i_lang     )&0xff;
1179             tk->fmt.psz_language[2] = 0;
1180         }
1181
1182         /* Palette */
1183         tk->fmt.subs.spu.palette[0] = 0xBeef;
1184         memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
1185                 16 * sizeof( uint32_t ) );
1186
1187         /* We select only when we are not in the menu */
1188         dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1189         if( i_title > 0 &&
1190             dvdnav_get_active_spu_stream( p_sys->dvdnav ) == (i_id&0x1f) )
1191         {
1192             b_select = VLC_TRUE;
1193         }
1194     }
1195
1196     tk->es = es_out_Add( p_demux->out, &tk->fmt );
1197     if( b_select )
1198     {
1199         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1200     }
1201     tk->b_seen = VLC_TRUE;
1202
1203     if( tk->fmt.i_cat == VIDEO_ES ) ButtonUpdate( p_demux, VLC_FALSE );
1204 }
1205
1206 /*****************************************************************************
1207  * Event handler code
1208  *****************************************************************************/
1209 static int  EventMouse( vlc_object_t *, char const *,
1210                         vlc_value_t, vlc_value_t, void * );
1211 static int  EventKey  ( vlc_object_t *, char const *,
1212                         vlc_value_t, vlc_value_t, void * );
1213
1214 static int EventThread( vlc_object_t *p_this )
1215 {
1216     event_thread_t *p_ev = (event_thread_t*)p_this;
1217     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
1218     vlc_object_t   *p_vout = NULL;
1219
1220     vlc_mutex_init( p_ev, &p_ev->lock );
1221     p_ev->b_moved   = VLC_FALSE;
1222     p_ev->b_clicked = VLC_FALSE;
1223     p_ev->b_key     = VLC_FALSE;
1224     p_ev->b_still   = VLC_FALSE;
1225
1226     /* catch all key event */
1227     var_AddCallback( p_ev->p_libvlc, "key-pressed", EventKey, p_ev );
1228
1229     /* main loop */
1230     while( !p_ev->b_die )
1231     {
1232         vlc_bool_t b_activated = VLC_FALSE;
1233
1234         /* KEY part */
1235         if( p_ev->b_key )
1236         {
1237             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1238
1239             vlc_value_t valk;
1240             struct hotkey *p_hotkeys = p_ev->p_libvlc->p_hotkeys;
1241             int i, i_action = -1;
1242
1243             vlc_mutex_lock( &p_ev->lock );
1244             var_Get( p_ev->p_libvlc, "key-pressed", &valk );
1245             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
1246             {
1247                 if( p_hotkeys[i].i_key == valk.i_int )
1248                 {
1249                     i_action = p_hotkeys[i].i_action;
1250                 }
1251             }
1252
1253             switch( i_action )
1254             {
1255             case ACTIONID_NAV_LEFT:
1256                 dvdnav_left_button_select( p_sys->dvdnav, pci );
1257                 break;
1258             case ACTIONID_NAV_RIGHT:
1259                 dvdnav_right_button_select( p_sys->dvdnav, pci );
1260                 break;
1261             case ACTIONID_NAV_UP:
1262                 dvdnav_upper_button_select( p_sys->dvdnav, pci );
1263                 break;
1264             case ACTIONID_NAV_DOWN:
1265                 dvdnav_lower_button_select( p_sys->dvdnav, pci );
1266                 break;
1267             case ACTIONID_NAV_ACTIVATE:
1268                 b_activated = VLC_TRUE;
1269                 dvdnav_button_activate( p_sys->dvdnav, pci );
1270                 ButtonUpdate( p_ev->p_demux, VLC_TRUE );
1271                 break;
1272             default:
1273                 break;
1274             }
1275             p_ev->b_key = VLC_FALSE;
1276             vlc_mutex_unlock( &p_ev->lock );
1277         }
1278
1279         /* VOUT part */
1280         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
1281         {
1282             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1283             vlc_value_t valx, valy;
1284
1285             vlc_mutex_lock( &p_ev->lock );
1286             var_Get( p_vout, "mouse-x", &valx );
1287             var_Get( p_vout, "mouse-y", &valy );
1288
1289             if( p_ev->b_moved )
1290             {
1291                 dvdnav_mouse_select( p_sys->dvdnav, pci, valx.i_int,
1292                                      valy.i_int );
1293             }
1294             if( p_ev->b_clicked )
1295             {
1296                 b_activated = VLC_TRUE;
1297                 dvdnav_mouse_activate( p_sys->dvdnav, pci, valx.i_int,
1298                                        valy.i_int );
1299                 ButtonUpdate( p_ev->p_demux, VLC_TRUE );
1300             }
1301
1302             p_ev->b_moved = VLC_FALSE;
1303             p_ev->b_clicked = VLC_FALSE;
1304             vlc_mutex_unlock( &p_ev->lock );
1305         }
1306         if( p_vout && p_vout->b_die )
1307         {
1308             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1309             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1310             vlc_object_release( p_vout );
1311             p_vout = NULL;
1312         }
1313         if( p_vout == NULL )
1314         {
1315             p_vout = vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
1316                                       FIND_CHILD );
1317             if( p_vout)
1318             {
1319                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1320                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1321             }
1322         }
1323
1324         /* Still part */
1325         vlc_mutex_lock( &p_ev->lock );
1326         if( p_ev->b_still )
1327         {
1328             if( /* b_activated || // This breaks menus */
1329                 ( p_ev->i_still_end > 0 && p_ev->i_still_end < mdate() ))
1330             {
1331                 p_ev->b_still = VLC_FALSE;
1332                 dvdnav_still_skip( p_sys->dvdnav );
1333             }
1334         }
1335         vlc_mutex_unlock( &p_ev->lock );
1336
1337         /* Wait a bit */
1338         msleep( 10000 );
1339     }
1340
1341     /* Release callback */
1342     if( p_vout )
1343     {
1344         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1345         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1346         vlc_object_release( p_vout );
1347     }
1348     var_DelCallback( p_ev->p_libvlc, "key-pressed", EventKey, p_ev );
1349
1350     vlc_mutex_destroy( &p_ev->lock );
1351
1352     return VLC_SUCCESS;
1353 }
1354
1355 static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1356                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
1357 {
1358     event_thread_t *p_ev = p_data;
1359     vlc_mutex_lock( &p_ev->lock );
1360     if( psz_var[6] == 'c' )
1361         p_ev->b_clicked = VLC_TRUE;
1362     else if( psz_var[6] == 'm' )
1363         p_ev->b_moved = VLC_TRUE;
1364     vlc_mutex_unlock( &p_ev->lock );
1365
1366     return VLC_SUCCESS;
1367 }
1368
1369 static int EventKey( vlc_object_t *p_this, char const *psz_var,
1370                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
1371 {
1372     event_thread_t *p_ev = p_data;
1373     vlc_mutex_lock( &p_ev->lock );
1374     p_ev->b_key = VLC_TRUE;
1375     vlc_mutex_unlock( &p_ev->lock );
1376
1377     return VLC_SUCCESS;
1378 }
1379
1380 /*****************************************************************************
1381  * ProbeDVD: very weak probing that avoids going too often into a dvdnav_open()
1382  *****************************************************************************/
1383 static int ProbeDVD( demux_t *p_demux, char *psz_name )
1384 {
1385 #ifdef HAVE_SYS_STAT_H
1386     struct stat stat_info;
1387     uint8_t pi_anchor[2];
1388     uint16_t i_tag_id = 0;
1389     int i_fd, i_ret;
1390
1391     if( !*psz_name )
1392     {
1393         /* Triggers libdvdcss autodetection */
1394         return VLC_SUCCESS;
1395     }
1396
1397     if( stat( psz_name, &stat_info ) || !S_ISREG( stat_info.st_mode ) )
1398     {
1399         /* Let dvdnav_open() do the probing */
1400         return VLC_SUCCESS;
1401     }
1402
1403     if( (i_fd = open( psz_name, O_RDONLY )) == -1 )
1404     {
1405         /* Let dvdnav_open() do the probing */
1406         return VLC_SUCCESS;
1407     }
1408
1409     /* Try to find the anchor (2 bytes at LBA 256) */
1410     i_ret = VLC_SUCCESS;
1411     if( lseek( i_fd, 256 * DVD_VIDEO_LB_LEN, SEEK_SET ) == -1 )
1412     {
1413         i_ret = VLC_EGENERIC;
1414     }
1415
1416     if( read( i_fd, pi_anchor, 2 ) == 2 )
1417     {
1418         i_tag_id = GetWLE(pi_anchor);
1419         if( i_tag_id != 2 ) i_ret = VLC_EGENERIC; /* Not an anchor */
1420     }
1421     else
1422     {
1423         i_ret = VLC_EGENERIC;
1424     }
1425
1426     close( i_fd );
1427
1428     return i_ret;
1429 #else
1430
1431     return VLC_SUCCESS;
1432 #endif
1433 }