git.sesse.net Git - vlc/blob - modules/access/dvdnav.c

   1 /*****************************************************************************
   2  * dvdnav.c: DVD module using the dvdnav library.
   3  *****************************************************************************
   4  * Copyright (C) 2004 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27
  28 #ifdef HAVE_CONFIG_H
  29 # include "config.h"
  30 #endif
  31
  32 #include <vlc_common.h>
  33 #include <vlc_plugin.h>
  34 #include <vlc_input.h>
  35 #include <vlc_access.h>
  36 #include <vlc_demux.h>
  37 #include <vlc_charset.h>
  38
  39 #include <vlc_interface.h>
  40
  41 #ifdef HAVE_UNISTD_H
  42 #   include <unistd.h>
  43 #endif
  44 #ifdef HAVE_SYS_TYPES_H
  45 #   include <sys/types.h>
  46 #endif
  47 #ifdef HAVE_SYS_STAT_H
  48 #   include <sys/stat.h>
  49 #endif
  50 #ifdef HAVE_FCNTL_H
  51 #   include <fcntl.h>
  52 #endif
  53
  54 #include "vlc_keys.h"
  55 #include "vlc_iso_lang.h"
  56
  57 /* FIXME we should find a better way than including that */
  58 #include "../../src/text/iso-639_def.h"
  59
  60
  61 #include <dvdnav/dvdnav.h>
  62
  63 #include "../demux/ps.h"
  64
  65 /*****************************************************************************
  66  * Module descriptor
  67  *****************************************************************************/
  68 #define ANGLE_TEXT N_("DVD angle")
  69 #define ANGLE_LONGTEXT N_( \
  70      "Default DVD angle." )
  71
  72 #define CACHING_TEXT N_("Caching value in ms")
  73 #define CACHING_LONGTEXT N_( \
  74     "Caching value for DVDs. This "\
  75     "value should be set in milliseconds." )
  76 #define MENU_TEXT N_("Start directly in menu")
  77 #define MENU_LONGTEXT N_( \
  78     "Start the DVD directly in the main menu. This "\
  79     "will try to skip all the useless warning introductions." )
  80
  81 #define LANGUAGE_DEFAULT ("en")
  82
  83 static int  Open ( vlc_object_t * );
  84 static void Close( vlc_object_t * );
  85
  86 vlc_module_begin();
  87     set_shortname( N_("DVD with menus") );
  88     set_description( N_("DVDnav Input") );
  89     set_category( CAT_INPUT );
  90     set_subcategory( SUBCAT_INPUT_ACCESS );
  91     add_integer( "dvdnav-angle", 1, NULL, ANGLE_TEXT,
  92         ANGLE_LONGTEXT, false );
  93     add_integer( "dvdnav-caching", DEFAULT_PTS_DELAY / 1000, NULL,
  94         CACHING_TEXT, CACHING_LONGTEXT, true );
  95     add_bool( "dvdnav-menu", true, NULL,
  96         MENU_TEXT, MENU_LONGTEXT, false );
  97     set_capability( "access_demux", 5 );
  98     add_shortcut( "dvd" );
  99     add_shortcut( "dvdnav" );
 100     set_callbacks( Open, Close );
 101 vlc_module_end();
 102
 103 /* Shall we use libdvdnav's read ahead cache? */
 104 #define DVD_READ_CACHE 1
 105
 106 /*****************************************************************************
 107  * Local prototypes
 108  *****************************************************************************/
 109 typedef struct
 110 {
 111     VLC_COMMON_MEMBERS
 112
 113     demux_t        *p_demux;
 114     vlc_mutex_t     lock;
 115
 116     bool      b_moved;
 117     bool      b_clicked;
 118     int             i_key_action;
 119
 120     bool      b_still;
 121     int64_t         i_still_end;
 122
 123 } event_thread_t;
 124
 125 static int EventThread( vlc_object_t * );
 126
 127 struct demux_sys_t
 128 {
 129     dvdnav_t    *dvdnav;
 130
 131     /* track */
 132     ps_track_t  tk[PS_TK_COUNT];
 133     int         i_mux_rate;
 134
 135     /* for spu variables */
 136     input_thread_t *p_input;
 137
 138     /* event */
 139     event_thread_t *p_ev;
 140
 141     /* palette for menus */
 142     uint32_t clut[16];
 143     uint8_t  palette[4][4];
 144     bool b_spu_change;
 145
 146     /* */
 147     int i_aspect;
 148
 149     int           i_title;
 150     input_title_t **title;
 151
 152     /* lenght of program group chain */
 153     mtime_t     i_pgc_length;
 154 };
 155
 156 static int Control( demux_t *, int, va_list );
 157 static int Demux( demux_t * );
 158 static int DemuxBlock( demux_t *, uint8_t *, int );
 159
 160 static void DemuxTitles( demux_t * );
 161 static void ESSubtitleUpdate( demux_t * );
 162 static void ButtonUpdate( demux_t *, bool );
 163
 164 static void ESNew( demux_t *, int );
 165 static int ProbeDVD( demux_t *, char * );
 166
 167 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var );
 168
 169 /*****************************************************************************
 170  * DemuxOpen:
 171  *****************************************************************************/
 172 static int Open( vlc_object_t *p_this )
 173 {
 174     demux_t     *p_demux = (demux_t*)p_this;
 175     demux_sys_t *p_sys;
 176     dvdnav_t    *p_dvdnav;
 177     int         i_angle;
 178     char        *psz_name;
 179     char        *psz_code;
 180     vlc_value_t val;
 181
 182     if( !p_demux->psz_path || !*p_demux->psz_path )
 183     {
 184         /* Only when selected */
 185         if( !p_this->b_force ) return VLC_EGENERIC;
 186
 187         psz_name = var_CreateGetString( p_this, "dvd" );
 188         if( !psz_name )
 189         {
 190             psz_name = strdup("");
 191         }
 192     }
 193     else
 194         psz_name = ToLocaleDup( p_demux->psz_path );
 195
 196 #ifdef WIN32
 197     if( psz_name[0] && psz_name[1] == ':' &&
 198         psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
 199 #endif
 200
 201     /* Try some simple probing to avoid going through dvdnav_open too often */
 202     if( ProbeDVD( p_demux, psz_name ) != VLC_SUCCESS )
 203     {
 204         free( psz_name );
 205         return VLC_EGENERIC;
 206     }
 207
 208     /* Open dvdnav */
 209     if( dvdnav_open( &p_dvdnav, psz_name ) != DVDNAV_STATUS_OK )
 210     {
 211         msg_Warn( p_demux, "cannot open dvdnav" );
 212         free( psz_name );
 213         return VLC_EGENERIC;
 214     }
 215     free( psz_name );
 216
 217     /* Fill p_demux field */
 218     DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
 219     p_sys->dvdnav = p_dvdnav;
 220
 221     ps_track_init( p_sys->tk );
 222     p_sys->i_aspect = -1;
 223     p_sys->i_mux_rate = 0;
 224     p_sys->i_pgc_length = 0;
 225     p_sys->b_spu_change = false;
 226
 227     if( 1 )
 228     {
 229         // Hack for libdvdnav CVS.
 230         // Without it dvdnav_get_number_of_titles() fails.
 231         // Remove when fixed in libdvdnav CVS.
 232         uint8_t buffer[DVD_VIDEO_LB_LEN];
 233         int i_event, i_len;
 234
 235         if( dvdnav_get_next_block( p_sys->dvdnav, buffer, &i_event, &i_len )
 236               == DVDNAV_STATUS_ERR )
 237         {
 238             msg_Warn( p_demux, "dvdnav_get_next_block failed" );
 239         }
 240
 241         dvdnav_sector_search( p_sys->dvdnav, 0, SEEK_SET );
 242     }
 243
 244     /* Configure dvdnav */
 245     if( dvdnav_set_readahead_flag( p_sys->dvdnav, DVD_READ_CACHE ) !=
 246           DVDNAV_STATUS_OK )
 247     {
 248         msg_Warn( p_demux, "cannot set read-a-head flag" );
 249     }
 250
 251     if( dvdnav_set_PGC_positioning_flag( p_sys->dvdnav, 1 ) !=
 252           DVDNAV_STATUS_OK )
 253     {
 254         msg_Warn( p_demux, "cannot set PGC positioning flag" );
 255     }
 256
 257     /* Set menu language ("en")
 258      * XXX: maybe it would be better to set it like audio/spu
 259      * or to create a --menu-language option */
 260     if( dvdnav_menu_language_select( p_sys->dvdnav, LANGUAGE_DEFAULT ) !=
 261         DVDNAV_STATUS_OK )
 262     {
 263         msg_Warn( p_demux, "can't set menu language to '%s' (%s)",
 264                   LANGUAGE_DEFAULT, dvdnav_err_to_string( p_sys->dvdnav ) );
 265     }
 266
 267     /* Set audio language */
 268     psz_code = DemuxGetLanguageCode( p_demux, "audio-language" );
 269     if( dvdnav_audio_language_select( p_sys->dvdnav, psz_code ) !=
 270         DVDNAV_STATUS_OK )
 271     {
 272         msg_Warn( p_demux, "can't set audio language to '%s' (%s)",
 273                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 274         /* We try to fall back to 'en' */
 275         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 276             dvdnav_audio_language_select( p_sys->dvdnav, LANGUAGE_DEFAULT );
 277     }
 278     free( psz_code );
 279
 280     /* Set spu language */
 281     psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
 282     if( dvdnav_spu_language_select( p_sys->dvdnav, psz_code ) !=
 283         DVDNAV_STATUS_OK )
 284     {
 285         msg_Warn( p_demux, "can't set spu language to '%s' (%s)",
 286                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 287         /* We try to fall back to 'en' */
 288         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 289             dvdnav_spu_language_select(p_sys->dvdnav, LANGUAGE_DEFAULT );
 290     }
 291     free( psz_code );
 292
 293     DemuxTitles( p_demux );
 294
 295     var_Create( p_demux, "dvdnav-menu", VLC_VAR_BOOL|VLC_VAR_DOINHERIT );
 296     var_Get( p_demux, "dvdnav-menu", &val );
 297     if( val.b_bool )
 298     {
 299         msg_Dbg( p_demux, "trying to go to dvd menu" );
 300
 301         if( dvdnav_title_play( p_sys->dvdnav, 1 ) != DVDNAV_STATUS_OK )
 302         {
 303             msg_Err( p_demux, "cannot set title (can't decrypt DVD?)" );
 304             intf_UserFatal( p_demux, false, _("Playback failure"),
 305                             _("VLC cannot set the DVD's title. It possibly "
 306                               "cannot decrypt the entire disk.") );
 307             dvdnav_close( p_sys->dvdnav );
 308             free( p_sys );
 309             return VLC_EGENERIC;
 310         }
 311
 312         if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title ) !=
 313             DVDNAV_STATUS_OK )
 314         {
 315             /* Try going to menu root */
 316             if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root ) !=
 317                 DVDNAV_STATUS_OK )
 318                     msg_Warn( p_demux, "cannot go to dvd menu" );
 319         }
 320     }
 321
 322     var_Create( p_demux, "dvdnav-angle", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 323     var_Get( p_demux, "dvdnav-angle", &val );
 324     i_angle = val.i_int > 0 ? val.i_int : 1;
 325
 326     /* Update default_pts to a suitable value for dvdnav access */
 327     var_Create( p_demux, "dvdnav-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 328
 329     /* FIXME hack hack hack hack FIXME */
 330     /* Get p_input and create variable */
 331     p_sys->p_input = vlc_object_find( p_demux, VLC_OBJECT_INPUT, FIND_PARENT );
 332     var_Create( p_sys->p_input, "x-start", VLC_VAR_INTEGER );
 333     var_Create( p_sys->p_input, "y-start", VLC_VAR_INTEGER );
 334     var_Create( p_sys->p_input, "x-end", VLC_VAR_INTEGER );
 335     var_Create( p_sys->p_input, "y-end", VLC_VAR_INTEGER );
 336     var_Create( p_sys->p_input, "color", VLC_VAR_ADDRESS );
 337     var_Create( p_sys->p_input, "menu-palette", VLC_VAR_ADDRESS );
 338     var_Create( p_sys->p_input, "highlight", VLC_VAR_BOOL );
 339     var_Create( p_sys->p_input, "highlight-mutex", VLC_VAR_MUTEX );
 340
 341     /* Now create our event thread catcher */
 342     p_sys->p_ev = vlc_object_create( p_demux, sizeof( event_thread_t ) );
 343     p_sys->p_ev->p_demux = p_demux;
 344     vlc_thread_create( p_sys->p_ev, "dvdnav event thread handler", EventThread,
 345                        VLC_THREAD_PRIORITY_LOW, false );
 346
 347     return VLC_SUCCESS;
 348 }
 349
 350 /*****************************************************************************
 351  * Close:
 352  *****************************************************************************/
 353 static void Close( vlc_object_t *p_this )
 354 {
 355     demux_t     *p_demux = (demux_t*)p_this;
 356     demux_sys_t *p_sys = p_demux->p_sys;
 357     int i;
 358
 359     /* stop the event handler */
 360     vlc_object_kill( p_sys->p_ev );
 361     vlc_thread_join( p_sys->p_ev );
 362     vlc_object_release( p_sys->p_ev );
 363
 364     var_Destroy( p_sys->p_input, "highlight-mutex" );
 365     var_Destroy( p_sys->p_input, "highlight" );
 366     var_Destroy( p_sys->p_input, "x-start" );
 367     var_Destroy( p_sys->p_input, "x-end" );
 368     var_Destroy( p_sys->p_input, "y-start" );
 369     var_Destroy( p_sys->p_input, "y-end" );
 370     var_Destroy( p_sys->p_input, "color" );
 371     var_Destroy( p_sys->p_input, "menu-palette" );
 372
 373     vlc_object_release( p_sys->p_input );
 374
 375     for( i = 0; i < PS_TK_COUNT; i++ )
 376     {
 377         ps_track_t *tk = &p_sys->tk[i];
 378         if( tk->b_seen )
 379         {
 380             es_format_Clean( &tk->fmt );
 381             if( tk->es ) es_out_Del( p_demux->out, tk->es );
 382         }
 383     }
 384
 385     dvdnav_close( p_sys->dvdnav );
 386     free( p_sys );
 387 }
 388
 389 /*****************************************************************************
 390  * Control:
 391  *****************************************************************************/
 392 static int Control( demux_t *p_demux, int i_query, va_list args )
 393 {
 394     demux_sys_t *p_sys = p_demux->p_sys;
 395     double f, *pf;
 396     bool *pb;
 397     int64_t *pi64;
 398     input_title_t ***ppp_title;
 399     int          *pi_int;
 400     int i;
 401
 402     switch( i_query )
 403     {
 404         case DEMUX_SET_POSITION:
 405         case DEMUX_GET_POSITION:
 406         case DEMUX_GET_TIME:
 407         case DEMUX_GET_LENGTH:
 408         {
 409             uint32_t pos, len;
 410             if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) !=
 411                   DVDNAV_STATUS_OK || len == 0 )
 412             {
 413                 return VLC_EGENERIC;
 414             }
 415
 416             if( i_query == DEMUX_GET_POSITION )
 417             {
 418                 pf = (double*)va_arg( args, double* );
 419                 *pf = (double)pos / (double)len;
 420                 return VLC_SUCCESS;
 421             }
 422             else if( i_query == DEMUX_SET_POSITION )
 423             {
 424                 f = (double)va_arg( args, double );
 425                 pos = f * len;
 426                 if( dvdnav_sector_search( p_sys->dvdnav, pos, SEEK_SET ) ==
 427                       DVDNAV_STATUS_OK )
 428                 {
 429                     return VLC_SUCCESS;
 430                 }
 431             }
 432             else if( i_query == DEMUX_GET_TIME )
 433             {
 434                 pi64 = (int64_t*)va_arg( args, int64_t * );
 435                 if( p_sys->i_pgc_length > 0 )
 436                 {
 437                     *pi64 = p_sys->i_pgc_length * pos / len;
 438                     return VLC_SUCCESS;
 439                 }
 440             }
 441             else if( i_query == DEMUX_GET_LENGTH )
 442             {
 443                 pi64 = (int64_t*)va_arg( args, int64_t * );
 444                 if( p_sys->i_pgc_length > 0 )
 445                 {
 446                     *pi64 = (int64_t)p_sys->i_pgc_length;
 447                     return VLC_SUCCESS;
 448                 }
 449             }
 450
 451             return VLC_EGENERIC;
 452         }
 453
 454         /* Special for access_demux */
 455         case DEMUX_CAN_PAUSE:
 456         case DEMUX_CAN_SEEK:
 457         case DEMUX_CAN_CONTROL_PACE:
 458             /* TODO */
 459             pb = (bool*)va_arg( args, bool * );
 460             *pb = true;
 461             return VLC_SUCCESS;
 462
 463         case DEMUX_SET_PAUSE_STATE:
 464             return VLC_SUCCESS;
 465
 466         case DEMUX_GET_TITLE_INFO:
 467             ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
 468             pi_int    = (int*)va_arg( args, int* );
 469             *((int*)va_arg( args, int* )) = 0; /* Title offset */
 470             *((int*)va_arg( args, int* )) = 1; /* Chapter offset */
 471
 472             /* Duplicate title infos */
 473             *pi_int = p_sys->i_title;
 474             *ppp_title = malloc( sizeof( input_title_t ** ) * p_sys->i_title );
 475             for( i = 0; i < p_sys->i_title; i++ )
 476             {
 477                 (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->title[i] );
 478             }
 479             return VLC_SUCCESS;
 480
 481         case DEMUX_SET_TITLE:
 482             i = (int)va_arg( args, int );
 483             if( ( i == 0 && dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root )
 484                   != DVDNAV_STATUS_OK ) ||
 485                 ( i != 0 && dvdnav_title_play( p_sys->dvdnav, i )
 486                   != DVDNAV_STATUS_OK ) )
 487             {
 488                 msg_Warn( p_demux, "cannot set title/chapter" );
 489                 return VLC_EGENERIC;
 490             }
 491             p_demux->info.i_update |=
 492                 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
 493             p_demux->info.i_title = i;
 494             p_demux->info.i_seekpoint = 0;
 495             return VLC_SUCCESS;
 496
 497         case DEMUX_SET_SEEKPOINT:
 498             i = (int)va_arg( args, int );
 499             if( p_demux->info.i_title == 0 )
 500             {
 501                 int i_ret;
 502                 /* Special case */
 503                 switch( i )
 504                 {
 505                 case 0:
 506                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Escape );
 507                     break;
 508                 case 1:
 509                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root );
 510                     break;
 511                 case 2:
 512                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title );
 513                     break;
 514                 case 3:
 515                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Part );
 516                     break;
 517                 case 4:
 518                     i_ret = dvdnav_menu_call( p_sys->dvdnav,
 519                                               DVD_MENU_Subpicture );
 520                     break;
 521                 case 5:
 522                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Audio );
 523                     break;
 524                 case 6:
 525                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Angle );
 526                     break;
 527                 default:
 528                     return VLC_EGENERIC;
 529                 }
 530
 531                 if( i_ret != DVDNAV_STATUS_OK )
 532                     return VLC_EGENERIC;
 533             }
 534             else if( dvdnav_part_play( p_sys->dvdnav, p_demux->info.i_title,
 535                                        i + 1 ) != DVDNAV_STATUS_OK )
 536             {
 537                 msg_Warn( p_demux, "cannot set title/chapter" );
 538                 return VLC_EGENERIC;
 539             }
 540             p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 541             p_demux->info.i_seekpoint = i;
 542             return VLC_SUCCESS;
 543
 544         case DEMUX_GET_PTS_DELAY:
 545             pi64 = (int64_t*)va_arg( args, int64_t * );
 546             *pi64 = (int64_t)var_GetInteger( p_demux, "dvdnav-caching" ) *1000;
 547             return VLC_SUCCESS;
 548
 549         case DEMUX_GET_META:
 550         {
 551             const char *title_name = NULL;
 552
 553             dvdnav_get_title_string(p_sys->dvdnav, &title_name);
 554             if( (NULL != title_name) && ('\0' != title_name[0]) )
 555             {
 556                 vlc_meta_t *p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
 557                 vlc_meta_Set( p_meta, vlc_meta_Title, title_name );
 558                 return VLC_SUCCESS;
 559             }
 560             return VLC_EGENERIC;
 561         }
 562
 563         /* TODO implement others */
 564         default:
 565             return VLC_EGENERIC;
 566     }
 567 }
 568
 569 /*****************************************************************************
 570  * Demux:
 571  *****************************************************************************/
 572 static int Demux( demux_t *p_demux )
 573 {
 574     demux_sys_t *p_sys = p_demux->p_sys;
 575
 576     uint8_t buffer[DVD_VIDEO_LB_LEN];
 577     uint8_t *packet = buffer;
 578     int i_event;
 579     int i_len;
 580
 581 #if DVD_READ_CACHE
 582     if( dvdnav_get_next_cache_block( p_sys->dvdnav, &packet, &i_event, &i_len )
 583         == DVDNAV_STATUS_ERR )
 584 #else
 585     if( dvdnav_get_next_block( p_sys->dvdnav, packet, &i_event, &i_len )
 586         == DVDNAV_STATUS_ERR )
 587 #endif
 588     {
 589         msg_Warn( p_demux, "cannot get next block (%s)",
 590                   dvdnav_err_to_string( p_sys->dvdnav ) );
 591         return -1;
 592     }
 593
 594     switch( i_event )
 595     {
 596     case DVDNAV_BLOCK_OK:   /* mpeg block */
 597         DemuxBlock( p_demux, packet, i_len );
 598         break;
 599
 600     case DVDNAV_NOP:    /* Nothing */
 601         msg_Dbg( p_demux, "DVDNAV_NOP" );
 602         break;
 603
 604     case DVDNAV_STILL_FRAME:
 605     {
 606         dvdnav_still_event_t *event = (dvdnav_still_event_t*)packet;
 607         vlc_mutex_lock( &p_sys->p_ev->lock );
 608         if( !p_sys->p_ev->b_still )
 609         {
 610             msg_Dbg( p_demux, "DVDNAV_STILL_FRAME" );
 611             msg_Dbg( p_demux, "     - length=0x%x", event->length );
 612             p_sys->p_ev->b_still = true;
 613             if( event->length == 0xff )
 614             {
 615                 p_sys->p_ev->i_still_end = 0;
 616             }
 617             else
 618             {
 619                 p_sys->p_ev->i_still_end = (int64_t)event->length *
 620                     1000000 + mdate() + p_sys->p_input->i_pts_delay;
 621             }
 622         }
 623         vlc_mutex_unlock( &p_sys->p_ev->lock );
 624         msleep( 40000 );
 625         break;
 626     }
 627
 628     case DVDNAV_SPU_CLUT_CHANGE:
 629     {
 630         int i;
 631
 632         msg_Dbg( p_demux, "DVDNAV_SPU_CLUT_CHANGE" );
 633         /* Update color lookup table (16 *uint32_t in packet) */
 634         memcpy( p_sys->clut, packet, 16 * sizeof( uint32_t ) );
 635
 636         /* HACK to get the SPU tracks registered in the right order */
 637         for( i = 0; i < 0x1f; i++ )
 638         {
 639             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 640                 ESNew( p_demux, 0xbd20 + i );
 641         }
 642         /* END HACK */
 643         break;
 644     }
 645
 646     case DVDNAV_SPU_STREAM_CHANGE:
 647     {
 648         dvdnav_spu_stream_change_event_t *event =
 649             (dvdnav_spu_stream_change_event_t*)packet;
 650         int i;
 651
 652         msg_Dbg( p_demux, "DVDNAV_SPU_STREAM_CHANGE" );
 653         msg_Dbg( p_demux, "     - physical_wide=%d",
 654                  event->physical_wide );
 655         msg_Dbg( p_demux, "     - physical_letterbox=%d",
 656                  event->physical_letterbox);
 657         msg_Dbg( p_demux, "     - physical_pan_scan=%d",
 658                  event->physical_pan_scan );
 659
 660         ESSubtitleUpdate( p_demux );
 661         p_sys->b_spu_change = true;
 662
 663         /* HACK to get the SPU tracks registered in the right order */
 664         for( i = 0; i < 0x1f; i++ )
 665         {
 666             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 667                 ESNew( p_demux, 0xbd20 + i );
 668         }
 669         /* END HACK */
 670         break;
 671     }
 672
 673     case DVDNAV_AUDIO_STREAM_CHANGE:
 674     {
 675         dvdnav_audio_stream_change_event_t *event =
 676             (dvdnav_audio_stream_change_event_t*)packet;
 677         msg_Dbg( p_demux, "DVDNAV_AUDIO_STREAM_CHANGE" );
 678         msg_Dbg( p_demux, "     - physical=%d", event->physical );
 679         /* TODO */
 680         break;
 681     }
 682
 683     case DVDNAV_VTS_CHANGE:
 684     {
 685         int32_t i_title = 0;
 686         int32_t i_part  = 0;
 687         int i;
 688
 689         dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t*)packet;
 690         msg_Dbg( p_demux, "DVDNAV_VTS_CHANGE" );
 691         msg_Dbg( p_demux, "     - vtsN=%d", event->new_vtsN );
 692         msg_Dbg( p_demux, "     - domain=%d", event->new_domain );
 693
 694         /* dvdnav_get_video_aspect / dvdnav_get_video_scale_permission */
 695         /* TODO check if we always have VTS and CELL */
 696         p_sys->i_aspect = dvdnav_get_video_aspect( p_sys->dvdnav );
 697
 698         /* reset PCR */
 699         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 700
 701         for( i = 0; i < PS_TK_COUNT; i++ )
 702         {
 703             ps_track_t *tk = &p_sys->tk[i];
 704             if( tk->b_seen )
 705             {
 706                 es_format_Clean( &tk->fmt );
 707                 if( tk->es ) es_out_Del( p_demux->out, tk->es );
 708             }
 709             tk->b_seen = false;
 710         }
 711
 712         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 713                                        &i_part ) == DVDNAV_STATUS_OK )
 714         {
 715             if( i_title >= 0 && i_title < p_sys->i_title &&
 716                 p_demux->info.i_title != i_title )
 717             {
 718                 p_demux->info.i_update |= INPUT_UPDATE_TITLE;
 719                 p_demux->info.i_title = i_title;
 720             }
 721         }
 722         break;
 723     }
 724
 725     case DVDNAV_CELL_CHANGE:
 726     {
 727         int32_t i_title = 0;
 728         int32_t i_part  = 0;
 729
 730         dvdnav_cell_change_event_t *event =
 731             (dvdnav_cell_change_event_t*)packet;
 732         msg_Dbg( p_demux, "DVDNAV_CELL_CHANGE" );
 733         msg_Dbg( p_demux, "     - cellN=%d", event->cellN );
 734         msg_Dbg( p_demux, "     - pgN=%d", event->pgN );
 735         msg_Dbg( p_demux, "     - cell_length=%"PRId64, event->cell_length );
 736         msg_Dbg( p_demux, "     - pg_length=%"PRId64, event->pg_length );
 737         msg_Dbg( p_demux, "     - pgc_length=%"PRId64, event->pgc_length );
 738         msg_Dbg( p_demux, "     - cell_start=%"PRId64, event->cell_start );
 739         msg_Dbg( p_demux, "     - pg_start=%"PRId64, event->pg_start );
 740
 741         /* Store the lenght in time of the current PGC */
 742         p_sys->i_pgc_length = event->pgc_length / 90 * 1000;
 743
 744         /* FIXME is it correct or there is better way to know chapter change */
 745         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 746                                        &i_part ) == DVDNAV_STATUS_OK )
 747         {
 748             if( i_title >= 0 && i_title < p_sys->i_title &&
 749                 i_part >= 1 && i_part <= p_sys->title[i_title]->i_seekpoint &&
 750                 p_demux->info.i_seekpoint != i_part - 1 )
 751             {
 752                 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 753                 p_demux->info.i_seekpoint = i_part - 1;
 754             }
 755         }
 756         break;
 757     }
 758
 759     case DVDNAV_NAV_PACKET:
 760     {
 761 #ifdef DVDNAV_DEBUG
 762         msg_Dbg( p_demux, "DVDNAV_NAV_PACKET" );
 763 #endif
 764         /* A lot of thing to do here :
 765          *  - handle packet
 766          *  - fetch pts (for time display)
 767          *  - ...
 768          */
 769         DemuxBlock( p_demux, packet, i_len );
 770         if( p_sys->b_spu_change )
 771         {
 772             ButtonUpdate( p_demux, false );
 773             p_sys->b_spu_change = false;
 774         }
 775         break;
 776     }
 777
 778     case DVDNAV_STOP:   /* EOF */
 779         msg_Dbg( p_demux, "DVDNAV_STOP" );
 780
 781 #if DVD_READ_CACHE
 782         dvdnav_free_cache_block( p_sys->dvdnav, packet );
 783 #endif
 784         return 0;
 785
 786     case DVDNAV_HIGHLIGHT:
 787     {
 788         dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t*)packet;
 789         msg_Dbg( p_demux, "DVDNAV_HIGHLIGHT" );
 790         msg_Dbg( p_demux, "     - display=%d", event->display );
 791         msg_Dbg( p_demux, "     - buttonN=%d", event->buttonN );
 792         ButtonUpdate( p_demux, false );
 793         break;
 794     }
 795
 796     case DVDNAV_HOP_CHANNEL:
 797         msg_Dbg( p_demux, "DVDNAV_HOP_CHANNEL" );
 798         /* We should try to flush all our internal buffer */
 799         break;
 800
 801     case DVDNAV_WAIT:
 802         msg_Dbg( p_demux, "DVDNAV_WAIT" );
 803
 804         /* reset PCR */
 805         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 806         dvdnav_wait_skip( p_sys->dvdnav );
 807         break;
 808
 809     default:
 810         msg_Warn( p_demux, "Unknown event (0x%x)", i_event );
 811         break;
 812     }
 813
 814 #if DVD_READ_CACHE
 815     dvdnav_free_cache_block( p_sys->dvdnav, packet );
 816 #endif
 817
 818     return 1;
 819 }
 820
 821 /* Get a 2 char code
 822  * FIXME: partiallyy duplicated from src/input/es_out.c
 823  */
 824 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var )
 825 {
 826     const iso639_lang_t *pl;
 827     char *psz_lang;
 828     char *p;
 829
 830     psz_lang = var_CreateGetString( p_demux, psz_var );
 831     /* XXX: we will use only the first value
 832      * (and ignore other ones in case of a list) */
 833     if( ( p = strchr( psz_lang, ',' ) ) ) *p = '\0';
 834
 835     for( pl = p_languages; pl->psz_iso639_1 != NULL; pl++ )
 836     {
 837         if( !strcasecmp( pl->psz_eng_name, psz_lang ) ||
 838             !strcasecmp( pl->psz_native_name, psz_lang ) ||
 839             !strcasecmp( pl->psz_iso639_1, psz_lang ) ||
 840             !strcasecmp( pl->psz_iso639_2T, psz_lang ) ||
 841             !strcasecmp( pl->psz_iso639_2B, psz_lang ) )
 842             break;
 843     }
 844
 845     free( psz_lang );
 846
 847     if( pl->psz_iso639_1 != NULL )
 848         return strdup( pl->psz_iso639_1 );
 849
 850     return strdup(LANGUAGE_DEFAULT);
 851 }
 852
 853 static void DemuxTitles( demux_t *p_demux )
 854 {
 855     demux_sys_t *p_sys = p_demux->p_sys;
 856     input_title_t *t;
 857     seekpoint_t *s;
 858     int32_t i_titles;
 859     int i;
 860
 861     /* Menu */
 862     t = vlc_input_title_New();
 863     t->b_menu = true;
 864     t->psz_name = strdup( "DVD Menu" );
 865
 866     s = vlc_seekpoint_New();
 867     s->psz_name = strdup( "Resume" );
 868     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 869
 870     s = vlc_seekpoint_New();
 871     s->psz_name = strdup( "Root" );
 872     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 873
 874     s = vlc_seekpoint_New();
 875     s->psz_name = strdup( "Title" );
 876     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 877
 878     s = vlc_seekpoint_New();
 879     s->psz_name = strdup( "Chapter" );
 880     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 881
 882     s = vlc_seekpoint_New();
 883     s->psz_name = strdup( "Subtitle" );
 884     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 885
 886     s = vlc_seekpoint_New();
 887     s->psz_name = strdup( "Audio" );
 888     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 889
 890     s = vlc_seekpoint_New();
 891     s->psz_name = strdup( "Angle" );
 892     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 893
 894     TAB_APPEND( p_sys->i_title, p_sys->title, t );
 895
 896     /* Find out number of titles/chapters */
 897     dvdnav_get_number_of_titles( p_sys->dvdnav, &i_titles );
 898     for( i = 1; i <= i_titles; i++ )
 899     {
 900         int32_t i_chapters = 0;
 901         int j;
 902
 903         dvdnav_get_number_of_parts( p_sys->dvdnav, i, &i_chapters );
 904
 905         t = vlc_input_title_New();
 906         for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
 907         {
 908             s = vlc_seekpoint_New();
 909             TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 910         }
 911
 912         TAB_APPEND( p_sys->i_title, p_sys->title, t );
 913     }
 914 }
 915
 916 /*****************************************************************************
 917  * Update functions:
 918  *****************************************************************************/
 919 static void ButtonUpdate( demux_t *p_demux, bool b_mode )
 920 {
 921     demux_sys_t *p_sys = p_demux->p_sys;
 922     vlc_value_t val;
 923     int32_t i_title, i_part;
 924
 925     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
 926
 927     if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
 928     {
 929         vlc_mutex_t *p_mutex = val.p_address;
 930         dvdnav_highlight_area_t hl;
 931         int32_t i_button;
 932         bool    b_button_ok;
 933
 934         if( dvdnav_get_current_highlight( p_sys->dvdnav, &i_button )
 935             != DVDNAV_STATUS_OK )
 936         {
 937             msg_Err( p_demux, "dvdnav_get_current_highlight failed" );
 938             return;
 939         }
 940
 941         b_button_ok = false;
 942         if( i_button > 0 && i_title ==  0 )
 943         {
 944             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
 945
 946             b_button_ok = dvdnav_get_highlight_area( pci, i_button, b_mode, &hl ) == DVDNAV_STATUS_OK;
 947         }
 948         if( b_button_ok )
 949         {
 950             int i;
 951             for( i = 0; i < 4; i++ )
 952             {
 953                 uint32_t i_yuv = p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
 954                 uint8_t i_alpha = ( (hl.palette>>(i*4))&0x0f ) * 0xff / 0xf;
 955
 956                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
 957                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
 958                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
 959                 p_sys->palette[i][3] = i_alpha;
 960             }
 961
 962             vlc_mutex_lock( p_mutex );
 963             val.i_int = hl.sx; var_Set( p_sys->p_input, "x-start", val );
 964             val.i_int = hl.ex; var_Set( p_sys->p_input, "x-end", val );
 965             val.i_int = hl.sy; var_Set( p_sys->p_input, "y-start", val );
 966             val.i_int = hl.ey; var_Set( p_sys->p_input, "y-end", val );
 967
 968             val.p_address = (void *)p_sys->palette;
 969             var_Set( p_sys->p_input, "menu-palette", val );
 970
 971             val.b_bool = true; var_Set( p_sys->p_input, "highlight", val );
 972             vlc_mutex_unlock( p_mutex );
 973
 974             msg_Dbg( p_demux, "buttonUpdate %d", i_button );
 975         }
 976         else
 977         {
 978             msg_Dbg( p_demux, "buttonUpdate not done b=%d t=%d",
 979                      i_button, i_title );
 980
 981             /* Show all */
 982             vlc_mutex_lock( p_mutex );
 983             val.b_bool = false;
 984             var_Set( p_sys->p_input, "highlight", val );
 985             vlc_mutex_unlock( p_mutex );
 986         }
 987     }
 988 }
 989
 990 static void ESSubtitleUpdate( demux_t *p_demux )
 991 {
 992     demux_sys_t *p_sys = p_demux->p_sys;
 993     int         i_spu = dvdnav_get_active_spu_stream( p_sys->dvdnav );
 994     int32_t i_title, i_part;
 995
 996     ButtonUpdate( p_demux, false );
 997
 998     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
 999     if( i_title > 0 ) return;
1000
1001     if( i_spu >= 0 && i_spu <= 0x1f )
1002     {
1003         ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1004
1005         ESNew( p_demux, 0xbd20 + i_spu );
1006
1007         /* be sure to unselect it (reset) */
1008         es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1009                         (bool)false );
1010
1011         /* now select it */
1012         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1013     }
1014     else
1015     {
1016         for( i_spu = 0; i_spu <= 0x1F; i_spu++ )
1017         {
1018             ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1019             if( tk->b_seen )
1020             {
1021                 es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1022                                 (bool)false );
1023             }
1024         }
1025     }
1026 }
1027
1028 /*****************************************************************************
1029  * DemuxBlock: demux a given block
1030  *****************************************************************************/
1031 static int DemuxBlock( demux_t *p_demux, uint8_t *pkt, int i_pkt )
1032 {
1033     demux_sys_t *p_sys = p_demux->p_sys;
1034     uint8_t     *p = pkt;
1035
1036     while( p < &pkt[i_pkt] )
1037     {
1038         int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
1039         block_t *p_pkt;
1040         if( i_size <= 0 )
1041         {
1042             break;
1043         }
1044
1045         /* Create a block */
1046         p_pkt = block_New( p_demux, i_size );
1047         memcpy( p_pkt->p_buffer, p, i_size);
1048
1049         /* Parse it and send it */
1050         switch( 0x100 | p[3] )
1051         {
1052         case 0x1b9:
1053         case 0x1bb:
1054         case 0x1bc:
1055 #ifdef DVDNAV_DEBUG
1056             if( p[3] == 0xbc )
1057             {
1058                 msg_Warn( p_demux, "received a PSM packet" );
1059             }
1060             else if( p[3] == 0xbb )
1061             {
1062                 msg_Warn( p_demux, "received a SYSTEM packet" );
1063             }
1064 #endif
1065             block_Release( p_pkt );
1066             break;
1067
1068         case 0x1ba:
1069         {
1070             int64_t i_scr;
1071             int i_mux_rate;
1072             if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
1073             {
1074                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
1075                 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
1076             }
1077             block_Release( p_pkt );
1078             break;
1079         }
1080         default:
1081         {
1082             int i_id = ps_pkt_id( p_pkt );
1083             if( i_id >= 0xc0 )
1084             {
1085                 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1086
1087                 if( !tk->b_seen )
1088                 {
1089                     ESNew( p_demux, i_id );
1090                 }
1091                 if( tk->b_seen && tk->es &&
1092                     !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
1093                 {
1094                     es_out_Send( p_demux->out, tk->es, p_pkt );
1095                 }
1096                 else
1097                 {
1098                     block_Release( p_pkt );
1099                 }
1100             }
1101             else
1102             {
1103                 block_Release( p_pkt );
1104             }
1105             break;
1106         }
1107         }
1108
1109         p += i_size;
1110     }
1111
1112     return VLC_SUCCESS;
1113 }
1114
1115 /*****************************************************************************
1116  * ESNew: register a new elementary stream
1117  *****************************************************************************/
1118 static void ESNew( demux_t *p_demux, int i_id )
1119 {
1120     demux_sys_t *p_sys = p_demux->p_sys;
1121     ps_track_t  *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1122     bool  b_select = false;
1123
1124     if( tk->b_seen ) return;
1125
1126     if( ps_track_fill( tk, 0, i_id ) )
1127     {
1128         msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
1129         return;
1130     }
1131
1132     /* Add a new ES */
1133     if( tk->fmt.i_cat == VIDEO_ES )
1134     {
1135         switch( p_sys->i_aspect )
1136         {
1137             /* TODO Any docs somewhere ? */
1138         default:
1139             tk->fmt.video.i_aspect = 0;
1140             break;
1141         }
1142         b_select = true;
1143     }
1144     else if( tk->fmt.i_cat == AUDIO_ES )
1145     {
1146         int i_audio = -1;
1147         /* find the audio number PLEASE find another way */
1148         if( (i_id&0xbdf8) == 0xbd88 )       /* dts */
1149         {
1150             i_audio = i_id&0x07;
1151         }
1152         else if( (i_id&0xbdf0) == 0xbd80 )  /* a52 */
1153         {
1154             i_audio = i_id&0xf;
1155         }
1156         else if( (i_id&0xbdf0) == 0xbda0 )  /* lpcm */
1157         {
1158             i_audio = i_id&0x1f;
1159         }
1160         else if( ( i_id&0xe0 ) == 0xc0 )    /* mpga */
1161         {
1162             i_audio = i_id&0x1f;
1163         }
1164         if( i_audio >= 0 )
1165         {
1166             int i_lang = dvdnav_audio_stream_to_lang( p_sys->dvdnav, i_audio );
1167             if( i_lang != 0xffff )
1168             {
1169                 tk->fmt.psz_language = malloc( 3 );
1170                 tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1171                 tk->fmt.psz_language[1] = (i_lang     )&0xff;
1172                 tk->fmt.psz_language[2] = 0;
1173             }
1174             if( dvdnav_get_active_audio_stream( p_sys->dvdnav ) == i_audio )
1175             {
1176                 b_select = true;
1177             }
1178         }
1179     }
1180     else if( tk->fmt.i_cat == SPU_ES )
1181     {
1182         int32_t i_title, i_part;
1183         int i_lang = dvdnav_spu_stream_to_lang( p_sys->dvdnav, i_id&0x1f );
1184         if( i_lang != 0xffff )
1185         {
1186             tk->fmt.psz_language = malloc( 3 );
1187             tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1188             tk->fmt.psz_language[1] = (i_lang     )&0xff;
1189             tk->fmt.psz_language[2] = 0;
1190         }
1191
1192         /* Palette */
1193         tk->fmt.subs.spu.palette[0] = 0xBeef;
1194         memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
1195                 16 * sizeof( uint32_t ) );
1196
1197         /* We select only when we are not in the menu */
1198         dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1199         if( i_title > 0 &&
1200             dvdnav_get_active_spu_stream( p_sys->dvdnav ) == (i_id&0x1f) )
1201         {
1202             b_select = true;
1203         }
1204     }
1205
1206     tk->es = es_out_Add( p_demux->out, &tk->fmt );
1207     if( b_select )
1208     {
1209         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1210     }
1211     tk->b_seen = true;
1212
1213     if( tk->fmt.i_cat == VIDEO_ES ) ButtonUpdate( p_demux, false );
1214 }
1215
1216 /*****************************************************************************
1217  * Event handler code
1218  *****************************************************************************/
1219 static int  EventMouse( vlc_object_t *, char const *,
1220                         vlc_value_t, vlc_value_t, void * );
1221 static int  EventKey  ( vlc_object_t *, char const *,
1222                         vlc_value_t, vlc_value_t, void * );
1223
1224 static int EventThread( vlc_object_t *p_this )
1225 {
1226     event_thread_t *p_ev = (event_thread_t*)p_this;
1227     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
1228     vlc_object_t   *p_vout = NULL;
1229
1230     vlc_mutex_init( &p_ev->lock );
1231     p_ev->b_moved   = false;
1232     p_ev->b_clicked = false;
1233     p_ev->i_key_action = 0;
1234     p_ev->b_still   = false;
1235
1236     /* catch all key event */
1237     var_AddCallback( p_ev->p_libvlc, "key-action", EventKey, p_ev );
1238
1239     /* main loop */
1240     while( vlc_object_alive (p_ev) )
1241     {
1242         bool b_activated = false;
1243
1244         /* KEY part */
1245         if( p_ev->i_key_action != 0 )
1246         {
1247             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1248
1249             vlc_mutex_lock( &p_ev->lock );
1250             switch( p_ev->i_key_action )
1251             {
1252             case ACTIONID_NAV_LEFT:
1253                 dvdnav_left_button_select( p_sys->dvdnav, pci );
1254                 break;
1255             case ACTIONID_NAV_RIGHT:
1256                 dvdnav_right_button_select( p_sys->dvdnav, pci );
1257                 break;
1258             case ACTIONID_NAV_UP:
1259                 dvdnav_upper_button_select( p_sys->dvdnav, pci );
1260                 break;
1261             case ACTIONID_NAV_DOWN:
1262                 dvdnav_lower_button_select( p_sys->dvdnav, pci );
1263                 break;
1264             case ACTIONID_NAV_ACTIVATE:
1265                 b_activated = true;
1266                 dvdnav_button_activate( p_sys->dvdnav, pci );
1267                 ButtonUpdate( p_ev->p_demux, true );
1268                 break;
1269             default:
1270                 break;
1271             }
1272             p_ev->i_key_action = 0;
1273             vlc_mutex_unlock( &p_ev->lock );
1274         }
1275
1276         /* VOUT part */
1277         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
1278         {
1279             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1280             vlc_value_t valx, valy;
1281
1282             vlc_mutex_lock( &p_ev->lock );
1283             var_Get( p_vout, "mouse-x", &valx );
1284             var_Get( p_vout, "mouse-y", &valy );
1285
1286             if( p_ev->b_moved )
1287             {
1288                 dvdnav_mouse_select( p_sys->dvdnav, pci, valx.i_int,
1289                                      valy.i_int );
1290             }
1291             if( p_ev->b_clicked )
1292             {
1293                 b_activated = true;
1294                 dvdnav_mouse_activate( p_sys->dvdnav, pci, valx.i_int,
1295                                        valy.i_int );
1296                 ButtonUpdate( p_ev->p_demux, true );
1297             }
1298
1299             p_ev->b_moved = false;
1300             p_ev->b_clicked = false;
1301             vlc_mutex_unlock( &p_ev->lock );
1302         }
1303         if( p_vout && !vlc_object_alive (p_vout) )
1304         {
1305             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1306             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1307             vlc_object_release( p_vout );
1308             p_vout = NULL;
1309         }
1310         if( p_vout == NULL )
1311         {
1312             p_vout = vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
1313                                       FIND_CHILD );
1314             if( p_vout)
1315             {
1316                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1317                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1318             }
1319         }
1320
1321         /* Still part */
1322         vlc_mutex_lock( &p_ev->lock );
1323         if( p_ev->b_still )
1324         {
1325             if( /* b_activated || // This breaks menus */
1326                 ( p_ev->i_still_end > 0 && p_ev->i_still_end < mdate() ))
1327             {
1328                 p_ev->b_still = false;
1329                 dvdnav_still_skip( p_sys->dvdnav );
1330             }
1331         }
1332         vlc_mutex_unlock( &p_ev->lock );
1333
1334         /* Wait a bit */
1335         msleep( 10000 );
1336     }
1337
1338     /* Release callback */
1339     if( p_vout )
1340     {
1341         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1342         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1343         vlc_object_release( p_vout );
1344     }
1345     var_DelCallback( p_ev->p_libvlc, "key-action", EventKey, p_ev );
1346
1347     vlc_mutex_destroy( &p_ev->lock );
1348
1349     return VLC_SUCCESS;
1350 }
1351
1352 static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1353                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
1354 {
1355     event_thread_t *p_ev = p_data;
1356     vlc_mutex_lock( &p_ev->lock );
1357     if( psz_var[6] == 'c' )
1358         p_ev->b_clicked = true;
1359     else if( psz_var[6] == 'm' )
1360         p_ev->b_moved = true;
1361     vlc_mutex_unlock( &p_ev->lock );
1362
1363     return VLC_SUCCESS;
1364 }
1365
1366 static int EventKey( vlc_object_t *p_this, char const *psz_var,
1367                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
1368 {
1369     event_thread_t *p_ev = p_data;
1370     vlc_mutex_lock( &p_ev->lock );
1371     p_ev->i_key_action = newval.i_int;
1372     vlc_mutex_unlock( &p_ev->lock );
1373
1374     return VLC_SUCCESS;
1375 }
1376
1377 /*****************************************************************************
1378  * ProbeDVD: very weak probing that avoids going too often into a dvdnav_open()
1379  *****************************************************************************/
1380 static int ProbeDVD( demux_t *p_demux, char *psz_name )
1381 {
1382 #ifdef HAVE_SYS_STAT_H
1383     struct stat stat_info;
1384     uint8_t pi_anchor[2];
1385     uint16_t i_tag_id = 0;
1386     int i_fd, i_ret;
1387
1388     if( !*psz_name )
1389     {
1390         /* Triggers libdvdcss autodetection */
1391         return VLC_SUCCESS;
1392     }
1393
1394     if( stat( psz_name, &stat_info ) || !S_ISREG( stat_info.st_mode ) )
1395     {
1396         /* Let dvdnav_open() do the probing */
1397         return VLC_SUCCESS;
1398     }
1399
1400     if( (i_fd = open( psz_name, O_RDONLY )) == -1 )
1401     {
1402         /* Let dvdnav_open() do the probing */
1403         return VLC_SUCCESS;
1404     }
1405
1406     /* Try to find the anchor (2 bytes at LBA 256) */
1407     i_ret = VLC_SUCCESS;
1408     if( lseek( i_fd, 256 * DVD_VIDEO_LB_LEN, SEEK_SET ) == -1 )
1409     {
1410         i_ret = VLC_EGENERIC;
1411     }
1412
1413     if( read( i_fd, pi_anchor, 2 ) == 2 )
1414     {
1415         i_tag_id = GetWLE(pi_anchor);
1416         if( i_tag_id != 2 ) i_ret = VLC_EGENERIC; /* Not an anchor */
1417     }
1418     else
1419     {
1420         i_ret = VLC_EGENERIC;
1421     }
1422
1423     close( i_fd );
1424
1425     return i_ret;
1426 #else
1427
1428     return VLC_SUCCESS;
1429 #endif
1430 }