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

   1 /*****************************************************************************
   2  * dvdnav.c: DVD module using the dvdnav library.
   3  *****************************************************************************
   4  * Copyright (C) 2004-2009 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 along
  20  * with this program; if not, write to the Free Software Foundation, Inc.,
  21  * 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 <assert.h>
  33 #include <vlc_common.h>
  34 #include <vlc_plugin.h>
  35 #include <vlc_input.h>
  36 #include <vlc_access.h>
  37 #include <vlc_demux.h>
  38 #include <vlc_charset.h>
  39 #include <vlc_fs.h>
  40 #include <vlc_url.h>
  41 #include <vlc_vout.h>
  42
  43 #include <vlc_dialog.h>
  44
  45 #ifdef HAVE_UNISTD_H
  46 #   include <unistd.h>
  47 #endif
  48 #include <sys/types.h>
  49 #ifdef HAVE_SYS_STAT_H
  50 #   include <sys/stat.h>
  51 #endif
  52 #ifdef HAVE_FCNTL_H
  53 #   include <fcntl.h>
  54 #endif
  55
  56 #include <vlc_keys.h>
  57 #include <vlc_iso_lang.h>
  58
  59 /* FIXME we should find a better way than including that */
  60 #include "../../src/text/iso-639_def.h"
  61
  62
  63 #include <dvdnav/dvdnav.h>
  64
  65 #include "../demux/ps.h"
  66
  67 /*****************************************************************************
  68  * Module descriptor
  69  *****************************************************************************/
  70 #define ANGLE_TEXT N_("DVD angle")
  71 #define ANGLE_LONGTEXT N_( \
  72      "Default DVD angle." )
  73
  74 #define CACHING_TEXT N_("Caching value in ms")
  75 #define CACHING_LONGTEXT N_( \
  76     "Caching value for DVDs. This "\
  77     "value should be set in milliseconds." )
  78 #define MENU_TEXT N_("Start directly in menu")
  79 #define MENU_LONGTEXT N_( \
  80     "Start the DVD directly in the main menu. This "\
  81     "will try to skip all the useless warning introductions." )
  82
  83 #define LANGUAGE_DEFAULT ("en")
  84
  85 static int  Open ( vlc_object_t * );
  86 static void Close( vlc_object_t * );
  87
  88 vlc_module_begin ()
  89     set_shortname( N_("DVD with menus") )
  90     set_description( N_("DVDnav Input") )
  91     set_category( CAT_INPUT )
  92     set_subcategory( SUBCAT_INPUT_ACCESS )
  93     add_integer( "dvdnav-angle", 1, ANGLE_TEXT,
  94         ANGLE_LONGTEXT, false )
  95     add_integer( "dvdnav-caching", DEFAULT_PTS_DELAY / 1000,
  96         CACHING_TEXT, CACHING_LONGTEXT, true )
  97     add_bool( "dvdnav-menu", true,
  98         MENU_TEXT, MENU_LONGTEXT, false )
  99     set_capability( "access_demux", 5 )
 100     add_shortcut( "dvd", "dvdnav", "file" )
 101     set_callbacks( Open, Close )
 102 vlc_module_end ()
 103
 104 /* Shall we use libdvdnav's read ahead cache? */
 105 #define DVD_READ_CACHE 1
 106
 107 /*****************************************************************************
 108  * Local prototypes
 109  *****************************************************************************/
 110 struct demux_sys_t
 111 {
 112     dvdnav_t    *dvdnav;
 113
 114     /* */
 115     bool        b_reset_pcr;
 116
 117     struct
 118     {
 119         bool         b_created;
 120         bool         b_enabled;
 121         vlc_mutex_t  lock;
 122         vlc_timer_t  timer;
 123     } still;
 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     vout_thread_t *p_vout;
 134
 135     /* palette for menus */
 136     uint32_t clut[16];
 137     uint8_t  palette[4][4];
 138     bool b_spu_change;
 139
 140     /* Aspect ration */
 141     struct {
 142         unsigned i_num;
 143         unsigned i_den;
 144     } sar;
 145
 146     /* */
 147     int           i_title;
 148     input_title_t **title;
 149
 150     /* lenght of program group chain */
 151     mtime_t     i_pgc_length;
 152     int         i_vobu_index;
 153     int         i_vobu_flush;
 154 };
 155
 156 static int Control( demux_t *, int, va_list );
 157 static int Demux( demux_t * );
 158 static int DemuxBlock( demux_t *, const uint8_t *, int );
 159 static void DemuxForceStill( demux_t * );
 160
 161 static void DemuxTitles( demux_t * );
 162 static void ESSubtitleUpdate( demux_t * );
 163 static void ButtonUpdate( demux_t *, bool );
 164
 165 static void ESNew( demux_t *, int );
 166 static int ProbeDVD( const char * );
 167
 168 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var );
 169
 170 static int ControlInternal( demux_t *, int, ... );
 171
 172 static void StillTimer( void * );
 173
 174 static int EventKey( vlc_object_t *, char const *,
 175                      vlc_value_t, vlc_value_t, void * );
 176 static int EventMouse( vlc_object_t *, char const *,
 177                        vlc_value_t, vlc_value_t, void * );
 178 static int EventIntf( vlc_object_t *, char const *,
 179                       vlc_value_t, vlc_value_t, void * );
 180
 181 /*****************************************************************************
 182  * DemuxOpen:
 183  *****************************************************************************/
 184 static int Open( vlc_object_t *p_this )
 185 {
 186     demux_t     *p_demux = (demux_t*)p_this;
 187     demux_sys_t *p_sys;
 188     dvdnav_t    *p_dvdnav;
 189     int         i_angle;
 190     char        *psz_file;
 191     char        *psz_code;
 192
 193     if( !p_demux->psz_file || !*p_demux->psz_file )
 194     {
 195         /* Only when selected */
 196         if( !p_demux->psz_access || !*p_demux->psz_access )
 197             return VLC_EGENERIC;
 198
 199         psz_file = var_InheritString( p_this, "dvd" );
 200     }
 201     else
 202         psz_file = strdup( p_demux->psz_file );
 203
 204 #if defined( WIN32 ) || defined( __OS2__ )
 205     if( psz_file != NULL )
 206     {
 207         /* Remove trailing backslash, otherwise dvdnav_open will fail */
 208         size_t flen = strlen( psz_file );
 209         if( flen > 0 && psz_file[flen - 1] == '\\' )
 210             psz_file[flen - 1] = '\0';
 211     }
 212     else
 213         psz_file = strdup("");
 214 #endif
 215     if( unlikely(psz_file == NULL) )
 216         return VLC_EGENERIC;
 217
 218     /* Try some simple probing to avoid going through dvdnav_open too often */
 219     if( ProbeDVD( psz_file ) != VLC_SUCCESS )
 220     {
 221         free( psz_file );
 222         return VLC_EGENERIC;
 223     }
 224
 225     /* Open dvdnav */
 226     const char *psz_path = ToLocale( psz_file );
 227     if( dvdnav_open( &p_dvdnav, psz_path ) != DVDNAV_STATUS_OK )
 228         p_dvdnav = NULL;
 229     LocaleFree( psz_path );
 230     if( p_dvdnav == NULL )
 231     {
 232         msg_Warn( p_demux, "cannot open DVD (%s)", psz_file);
 233         free( psz_file );
 234         return VLC_EGENERIC;
 235     }
 236     free( psz_file );
 237
 238     /* Fill p_demux field */
 239     DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
 240     p_sys->dvdnav = p_dvdnav;
 241     p_sys->b_reset_pcr = false;
 242
 243     ps_track_init( p_sys->tk );
 244     p_sys->sar.i_num = 0;
 245     p_sys->sar.i_den = 0;
 246     p_sys->i_mux_rate = 0;
 247     p_sys->i_pgc_length = 0;
 248     p_sys->b_spu_change = false;
 249     p_sys->i_vobu_index = 0;
 250     p_sys->i_vobu_flush = 0;
 251
 252     if( 1 )
 253     {
 254         // Hack for libdvdnav CVS.
 255         // Without it dvdnav_get_number_of_titles() fails.
 256         // Remove when fixed in libdvdnav CVS.
 257         uint8_t buffer[DVD_VIDEO_LB_LEN];
 258         int i_event, i_len;
 259
 260         if( dvdnav_get_next_block( p_sys->dvdnav, buffer, &i_event, &i_len )
 261               == DVDNAV_STATUS_ERR )
 262         {
 263             msg_Warn( p_demux, "dvdnav_get_next_block failed" );
 264         }
 265
 266         dvdnav_sector_search( p_sys->dvdnav, 0, SEEK_SET );
 267     }
 268
 269     /* Configure dvdnav */
 270     if( dvdnav_set_readahead_flag( p_sys->dvdnav, DVD_READ_CACHE ) !=
 271           DVDNAV_STATUS_OK )
 272     {
 273         msg_Warn( p_demux, "cannot set read-a-head flag" );
 274     }
 275
 276     if( dvdnav_set_PGC_positioning_flag( p_sys->dvdnav, 1 ) !=
 277           DVDNAV_STATUS_OK )
 278     {
 279         msg_Warn( p_demux, "cannot set PGC positioning flag" );
 280     }
 281
 282     /* Set menu language
 283      * XXX A menu-language may be better than sub-language */
 284     psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
 285     if( dvdnav_menu_language_select( p_sys->dvdnav, psz_code ) !=
 286         DVDNAV_STATUS_OK )
 287     {
 288         msg_Warn( p_demux, "can't set menu language to '%s' (%s)",
 289                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 290         /* We try to fall back to 'en' */
 291         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 292             dvdnav_menu_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 293     }
 294     free( psz_code );
 295
 296     /* Set audio language */
 297     psz_code = DemuxGetLanguageCode( p_demux, "audio-language" );
 298     if( dvdnav_audio_language_select( p_sys->dvdnav, psz_code ) !=
 299         DVDNAV_STATUS_OK )
 300     {
 301         msg_Warn( p_demux, "can't set audio language to '%s' (%s)",
 302                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 303         /* We try to fall back to 'en' */
 304         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 305             dvdnav_audio_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 306     }
 307     free( psz_code );
 308
 309     /* Set spu language */
 310     psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
 311     if( dvdnav_spu_language_select( p_sys->dvdnav, psz_code ) !=
 312         DVDNAV_STATUS_OK )
 313     {
 314         msg_Warn( p_demux, "can't set spu language to '%s' (%s)",
 315                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 316         /* We try to fall back to 'en' */
 317         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 318             dvdnav_spu_language_select(p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 319     }
 320     free( psz_code );
 321
 322     DemuxTitles( p_demux );
 323
 324     if( var_CreateGetBool( p_demux, "dvdnav-menu" ) )
 325     {
 326         msg_Dbg( p_demux, "trying to go to dvd menu" );
 327
 328         if( dvdnav_title_play( p_sys->dvdnav, 1 ) != DVDNAV_STATUS_OK )
 329         {
 330             msg_Err( p_demux, "cannot set title (can't decrypt DVD?)" );
 331             dialog_Fatal( p_demux, _("Playback failure"), "%s",
 332                             _("VLC cannot set the DVD's title. It possibly "
 333                               "cannot decrypt the entire disc.") );
 334             dvdnav_close( p_sys->dvdnav );
 335             free( p_sys );
 336             return VLC_EGENERIC;
 337         }
 338
 339         if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title ) !=
 340             DVDNAV_STATUS_OK )
 341         {
 342             /* Try going to menu root */
 343             if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root ) !=
 344                 DVDNAV_STATUS_OK )
 345                     msg_Warn( p_demux, "cannot go to dvd menu" );
 346         }
 347     }
 348
 349     i_angle = var_CreateGetInteger( p_demux, "dvdnav-angle" );
 350     if( i_angle <= 0 ) i_angle = 1;
 351
 352     /* Update default_pts to a suitable value for dvdnav access */
 353     var_Create( p_demux, "dvdnav-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 354
 355     /* FIXME hack hack hack hack FIXME */
 356     /* Get p_input and create variable */
 357     p_sys->p_input = demux_GetParentInput( p_demux );
 358     var_Create( p_sys->p_input, "x-start", VLC_VAR_INTEGER );
 359     var_Create( p_sys->p_input, "y-start", VLC_VAR_INTEGER );
 360     var_Create( p_sys->p_input, "x-end", VLC_VAR_INTEGER );
 361     var_Create( p_sys->p_input, "y-end", VLC_VAR_INTEGER );
 362     var_Create( p_sys->p_input, "color", VLC_VAR_ADDRESS );
 363     var_Create( p_sys->p_input, "menu-palette", VLC_VAR_ADDRESS );
 364     var_Create( p_sys->p_input, "highlight", VLC_VAR_BOOL );
 365     var_Create( p_sys->p_input, "highlight-mutex", VLC_VAR_MUTEX );
 366
 367     /* catch all key event */
 368     var_AddCallback( p_demux->p_libvlc, "key-action", EventKey, p_demux );
 369     /* catch vout creation event */
 370     var_AddCallback( p_sys->p_input, "intf-event", EventIntf, p_demux );
 371
 372     p_sys->still.b_enabled = false;
 373     vlc_mutex_init( &p_sys->still.lock );
 374     if( !vlc_timer_create( &p_sys->still.timer, StillTimer, p_sys ) )
 375         p_sys->still.b_created = true;
 376
 377     return VLC_SUCCESS;
 378 }
 379
 380 /*****************************************************************************
 381  * Close:
 382  *****************************************************************************/
 383 static void Close( vlc_object_t *p_this )
 384 {
 385     demux_t     *p_demux = (demux_t*)p_this;
 386     demux_sys_t *p_sys = p_demux->p_sys;
 387
 388     /* Stop vout event handler */
 389     var_DelCallback( p_sys->p_input, "intf-event", EventIntf, p_demux );
 390     if( p_sys->p_vout != NULL )
 391     {   /* Should not happen, but better be safe than sorry. */
 392         msg_Warn( p_sys->p_vout, "removing dangling mouse DVD callbacks" );
 393         var_DelCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
 394         var_DelCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
 395     }
 396
 397     /* Stop key event handler (FIXME: should really be per-vout too) */
 398     var_DelCallback( p_demux->p_libvlc, "key-action", EventKey, p_demux );
 399
 400     /* Stop still image handler */
 401     if( p_sys->still.b_created )
 402         vlc_timer_destroy( p_sys->still.timer );
 403     vlc_mutex_destroy( &p_sys->still.lock );
 404
 405     var_Destroy( p_sys->p_input, "highlight-mutex" );
 406     var_Destroy( p_sys->p_input, "highlight" );
 407     var_Destroy( p_sys->p_input, "x-start" );
 408     var_Destroy( p_sys->p_input, "x-end" );
 409     var_Destroy( p_sys->p_input, "y-start" );
 410     var_Destroy( p_sys->p_input, "y-end" );
 411     var_Destroy( p_sys->p_input, "color" );
 412     var_Destroy( p_sys->p_input, "menu-palette" );
 413
 414     vlc_object_release( p_sys->p_input );
 415
 416     for( int i = 0; i < PS_TK_COUNT; i++ )
 417     {
 418         ps_track_t *tk = &p_sys->tk[i];
 419         if( tk->b_seen )
 420         {
 421             es_format_Clean( &tk->fmt );
 422             if( tk->es ) es_out_Del( p_demux->out, tk->es );
 423         }
 424     }
 425
 426     /* Free the array of titles */
 427     for( int i = 0; i < p_sys->i_title; i++ )
 428         vlc_input_title_Delete( p_sys->title[i] );
 429     TAB_CLEAN( p_sys->i_title, p_sys->title );
 430
 431     dvdnav_close( p_sys->dvdnav );
 432     free( p_sys );
 433 }
 434
 435 /*****************************************************************************
 436  * Control:
 437  *****************************************************************************/
 438 static int Control( demux_t *p_demux, int i_query, va_list args )
 439 {
 440     demux_sys_t *p_sys = p_demux->p_sys;
 441     input_title_t ***ppp_title;
 442     int i;
 443
 444     switch( i_query )
 445     {
 446         case DEMUX_SET_POSITION:
 447         case DEMUX_GET_POSITION:
 448         case DEMUX_GET_TIME:
 449         case DEMUX_GET_LENGTH:
 450         {
 451             uint32_t pos, len;
 452             if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) !=
 453                   DVDNAV_STATUS_OK || len == 0 )
 454             {
 455                 return VLC_EGENERIC;
 456             }
 457
 458             switch( i_query )
 459             {
 460             case DEMUX_GET_POSITION:
 461                 *va_arg( args, double* ) = (double)pos / (double)len;
 462                 return VLC_SUCCESS;
 463
 464             case DEMUX_SET_POSITION:
 465                 pos = va_arg( args, double ) * len;
 466                 if( dvdnav_sector_search( p_sys->dvdnav, pos, SEEK_SET ) ==
 467                       DVDNAV_STATUS_OK )
 468                 {
 469                     return VLC_SUCCESS;
 470                 }
 471                 break;
 472
 473             case DEMUX_GET_TIME:
 474                 if( p_sys->i_pgc_length > 0 )
 475                 {
 476                     *va_arg( args, int64_t * ) = p_sys->i_pgc_length*pos/len;
 477                     return VLC_SUCCESS;
 478                 }
 479                 break;
 480
 481             case DEMUX_GET_LENGTH:
 482                 if( p_sys->i_pgc_length > 0 )
 483                 {
 484                     *va_arg( args, int64_t * ) = (int64_t)p_sys->i_pgc_length;
 485                     return VLC_SUCCESS;
 486                 }
 487                 break;
 488             }
 489             return VLC_EGENERIC;
 490         }
 491
 492         /* Special for access_demux */
 493         case DEMUX_CAN_PAUSE:
 494         case DEMUX_CAN_SEEK:
 495         case DEMUX_CAN_CONTROL_PACE:
 496             /* TODO */
 497             *va_arg( args, bool * ) = true;
 498             return VLC_SUCCESS;
 499
 500         case DEMUX_SET_PAUSE_STATE:
 501             return VLC_SUCCESS;
 502
 503         case DEMUX_GET_TITLE_INFO:
 504             ppp_title = va_arg( args, input_title_t*** );
 505             *va_arg( args, int* ) = p_sys->i_title;
 506             *va_arg( args, int* ) = 0; /* Title offset */
 507             *va_arg( args, int* ) = 1; /* Chapter offset */
 508
 509             /* Duplicate title infos */
 510             *ppp_title = malloc( sizeof( input_title_t ** ) * p_sys->i_title );
 511             for( i = 0; i < p_sys->i_title; i++ )
 512             {
 513                 (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->title[i] );
 514             }
 515             return VLC_SUCCESS;
 516
 517         case DEMUX_SET_TITLE:
 518             i = (int)va_arg( args, int );
 519             if( ( i == 0 && dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root )
 520                   != DVDNAV_STATUS_OK ) ||
 521                 ( i != 0 && dvdnav_title_play( p_sys->dvdnav, i )
 522                   != DVDNAV_STATUS_OK ) )
 523             {
 524                 msg_Warn( p_demux, "cannot set title/chapter" );
 525                 return VLC_EGENERIC;
 526             }
 527             p_demux->info.i_update |=
 528                 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
 529             p_demux->info.i_title = i;
 530             p_demux->info.i_seekpoint = 0;
 531             return VLC_SUCCESS;
 532
 533         case DEMUX_SET_SEEKPOINT:
 534             i = va_arg( args, int );
 535             if( p_demux->info.i_title == 0 )
 536             {
 537                 static const int argtab[] = {
 538                     DVD_MENU_Escape,
 539                     DVD_MENU_Root,
 540                     DVD_MENU_Title,
 541                     DVD_MENU_Part,
 542                     DVD_MENU_Subpicture,
 543                     DVD_MENU_Audio,
 544                     DVD_MENU_Angle
 545                 };
 546                 enum { numargs = sizeof(argtab)/sizeof(int) };
 547                 if( (unsigned)i >= numargs || DVDNAV_STATUS_OK !=
 548                            dvdnav_menu_call(p_sys->dvdnav,argtab[i]) )
 549                     return VLC_EGENERIC;
 550             }
 551             else if( dvdnav_part_play( p_sys->dvdnav, p_demux->info.i_title,
 552                                        i + 1 ) != DVDNAV_STATUS_OK )
 553             {
 554                 msg_Warn( p_demux, "cannot set title/chapter" );
 555                 return VLC_EGENERIC;
 556             }
 557             p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 558             p_demux->info.i_seekpoint = i;
 559             return VLC_SUCCESS;
 560
 561         case DEMUX_GET_PTS_DELAY:
 562             *va_arg( args, int64_t * )
 563                  = (int64_t)var_GetInteger( p_demux, "dvdnav-caching" ) *1000;
 564             return VLC_SUCCESS;
 565
 566         case DEMUX_GET_META:
 567         {
 568             const char *title_name = NULL;
 569
 570             dvdnav_get_title_string(p_sys->dvdnav, &title_name);
 571             if( (NULL != title_name) && ('\0' != title_name[0]) )
 572             {
 573                 vlc_meta_t *p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
 574                 vlc_meta_Set( p_meta, vlc_meta_Title, title_name );
 575                 return VLC_SUCCESS;
 576             }
 577             return VLC_EGENERIC;
 578         }
 579
 580         /* TODO implement others */
 581         default:
 582             return VLC_EGENERIC;
 583     }
 584 }
 585
 586 static int ControlInternal( demux_t *p_demux, int i_query, ... )
 587 {
 588     va_list args;
 589     int     i_result;
 590
 591     va_start( args, i_query );
 592     i_result = Control( p_demux, i_query, args );
 593     va_end( args );
 594
 595     return i_result;
 596 }
 597 /*****************************************************************************
 598  * Demux:
 599  *****************************************************************************/
 600 static int Demux( demux_t *p_demux )
 601 {
 602     demux_sys_t *p_sys = p_demux->p_sys;
 603
 604     uint8_t buffer[DVD_VIDEO_LB_LEN];
 605     uint8_t *packet = buffer;
 606     int i_event;
 607     int i_len;
 608
 609 #if DVD_READ_CACHE
 610     if( dvdnav_get_next_cache_block( p_sys->dvdnav, &packet, &i_event, &i_len )
 611         == DVDNAV_STATUS_ERR )
 612 #else
 613     if( dvdnav_get_next_block( p_sys->dvdnav, packet, &i_event, &i_len )
 614         == DVDNAV_STATUS_ERR )
 615 #endif
 616     {
 617         msg_Warn( p_demux, "cannot get next block (%s)",
 618                   dvdnav_err_to_string( p_sys->dvdnav ) );
 619         if( p_demux->info.i_title == 0 )
 620         {
 621             msg_Dbg( p_demux, "jumping to first title" );
 622             return ControlInternal( p_demux, DEMUX_SET_TITLE, 1 ) == VLC_SUCCESS ? 1 : -1;
 623         }
 624         return -1;
 625     }
 626
 627     switch( i_event )
 628     {
 629     case DVDNAV_BLOCK_OK:   /* mpeg block */
 630         vlc_mutex_lock( &p_sys->still.lock );
 631         vlc_timer_schedule( p_sys->still.timer, false, 0, 0 );
 632         p_sys->still.b_enabled = false;
 633         vlc_mutex_unlock( &p_sys->still.lock );
 634         if( p_sys->b_reset_pcr )
 635         {
 636             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 637             p_sys->b_reset_pcr = false;
 638         }
 639         DemuxBlock( p_demux, packet, i_len );
 640         if( p_sys->i_vobu_index > 0 )
 641         {
 642             if( p_sys->i_vobu_flush == p_sys->i_vobu_index )
 643                 DemuxForceStill( p_demux );
 644             p_sys->i_vobu_index++;
 645         }
 646         break;
 647
 648     case DVDNAV_NOP:    /* Nothing */
 649         msg_Dbg( p_demux, "DVDNAV_NOP" );
 650         break;
 651
 652     case DVDNAV_STILL_FRAME:
 653     {
 654         dvdnav_still_event_t *event = (dvdnav_still_event_t*)packet;
 655         bool b_still_init = false;
 656
 657         vlc_mutex_lock( &p_sys->still.lock );
 658         if( !p_sys->still.b_enabled )
 659         {
 660             msg_Dbg( p_demux, "DVDNAV_STILL_FRAME" );
 661             msg_Dbg( p_demux, "     - length=0x%x", event->length );
 662             p_sys->still.b_enabled = true;
 663
 664             if( event->length != 0xff && p_sys->still.b_created )
 665             {
 666                 mtime_t delay = event->length * CLOCK_FREQ;
 667                 vlc_timer_schedule( p_sys->still.timer, false, delay, 0 );
 668             }
 669
 670             b_still_init = true;
 671         }
 672         vlc_mutex_unlock( &p_sys->still.lock );
 673
 674         if( b_still_init )
 675         {
 676             DemuxForceStill( p_demux );
 677             p_sys->b_reset_pcr = true;
 678         }
 679         msleep( 40000 );
 680         break;
 681     }
 682
 683     case DVDNAV_SPU_CLUT_CHANGE:
 684     {
 685         int i;
 686
 687         msg_Dbg( p_demux, "DVDNAV_SPU_CLUT_CHANGE" );
 688         /* Update color lookup table (16 *uint32_t in packet) */
 689         memcpy( p_sys->clut, packet, 16 * sizeof( uint32_t ) );
 690
 691         /* HACK to get the SPU tracks registered in the right order */
 692         for( i = 0; i < 0x1f; i++ )
 693         {
 694             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 695                 ESNew( p_demux, 0xbd20 + i );
 696         }
 697         /* END HACK */
 698         break;
 699     }
 700
 701     case DVDNAV_SPU_STREAM_CHANGE:
 702     {
 703         dvdnav_spu_stream_change_event_t *event =
 704             (dvdnav_spu_stream_change_event_t*)packet;
 705         int i;
 706
 707         msg_Dbg( p_demux, "DVDNAV_SPU_STREAM_CHANGE" );
 708         msg_Dbg( p_demux, "     - physical_wide=%d",
 709                  event->physical_wide );
 710         msg_Dbg( p_demux, "     - physical_letterbox=%d",
 711                  event->physical_letterbox);
 712         msg_Dbg( p_demux, "     - physical_pan_scan=%d",
 713                  event->physical_pan_scan );
 714
 715         ESSubtitleUpdate( p_demux );
 716         p_sys->b_spu_change = true;
 717
 718         /* HACK to get the SPU tracks registered in the right order */
 719         for( i = 0; i < 0x1f; i++ )
 720         {
 721             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 722                 ESNew( p_demux, 0xbd20 + i );
 723         }
 724         /* END HACK */
 725         break;
 726     }
 727
 728     case DVDNAV_AUDIO_STREAM_CHANGE:
 729     {
 730         dvdnav_audio_stream_change_event_t *event =
 731             (dvdnav_audio_stream_change_event_t*)packet;
 732         msg_Dbg( p_demux, "DVDNAV_AUDIO_STREAM_CHANGE" );
 733         msg_Dbg( p_demux, "     - physical=%d", event->physical );
 734         /* TODO */
 735         break;
 736     }
 737
 738     case DVDNAV_VTS_CHANGE:
 739     {
 740         int32_t i_title = 0;
 741         int32_t i_part  = 0;
 742         int i;
 743
 744         dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t*)packet;
 745         msg_Dbg( p_demux, "DVDNAV_VTS_CHANGE" );
 746         msg_Dbg( p_demux, "     - vtsN=%d", event->new_vtsN );
 747         msg_Dbg( p_demux, "     - domain=%d", event->new_domain );
 748
 749         /* reset PCR */
 750         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 751
 752         for( i = 0; i < PS_TK_COUNT; i++ )
 753         {
 754             ps_track_t *tk = &p_sys->tk[i];
 755             if( tk->b_seen )
 756             {
 757                 es_format_Clean( &tk->fmt );
 758                 if( tk->es ) es_out_Del( p_demux->out, tk->es );
 759             }
 760             tk->b_seen = false;
 761         }
 762
 763 #if defined(HAVE_DVDNAV_GET_VIDEO_RESOLUTION)
 764         uint32_t i_width, i_height;
 765         if( dvdnav_get_video_resolution( p_sys->dvdnav,
 766                                          &i_width, &i_height ) )
 767             i_width = i_height = 0;
 768         switch( dvdnav_get_video_aspect( p_sys->dvdnav ) )
 769         {
 770         case 0:
 771             p_sys->sar.i_num = 4 * i_height;
 772             p_sys->sar.i_den = 3 * i_width;
 773             break;
 774         case 3:
 775             p_sys->sar.i_num = 16 * i_height;
 776             p_sys->sar.i_den =  9 * i_width;
 777             break;
 778         default:
 779             p_sys->sar.i_num = 0;
 780             p_sys->sar.i_den = 0;
 781             break;
 782         }
 783 #endif
 784
 785         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 786                                        &i_part ) == DVDNAV_STATUS_OK )
 787         {
 788             if( i_title >= 0 && i_title < p_sys->i_title &&
 789                 p_demux->info.i_title != i_title )
 790             {
 791                 p_demux->info.i_update |= INPUT_UPDATE_TITLE;
 792                 p_demux->info.i_title = i_title;
 793             }
 794         }
 795         break;
 796     }
 797
 798     case DVDNAV_CELL_CHANGE:
 799     {
 800         int32_t i_title = 0;
 801         int32_t i_part  = 0;
 802
 803         dvdnav_cell_change_event_t *event =
 804             (dvdnav_cell_change_event_t*)packet;
 805         msg_Dbg( p_demux, "DVDNAV_CELL_CHANGE" );
 806         msg_Dbg( p_demux, "     - cellN=%d", event->cellN );
 807         msg_Dbg( p_demux, "     - pgN=%d", event->pgN );
 808         msg_Dbg( p_demux, "     - cell_length=%"PRId64, event->cell_length );
 809         msg_Dbg( p_demux, "     - pg_length=%"PRId64, event->pg_length );
 810         msg_Dbg( p_demux, "     - pgc_length=%"PRId64, event->pgc_length );
 811         msg_Dbg( p_demux, "     - cell_start=%"PRId64, event->cell_start );
 812         msg_Dbg( p_demux, "     - pg_start=%"PRId64, event->pg_start );
 813
 814         /* Store the lenght in time of the current PGC */
 815         p_sys->i_pgc_length = event->pgc_length / 90 * 1000;
 816         p_sys->i_vobu_index = 0;
 817         p_sys->i_vobu_flush = 0;
 818
 819         /* FIXME is it correct or there is better way to know chapter change */
 820         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 821                                        &i_part ) == DVDNAV_STATUS_OK )
 822         {
 823             if( i_title >= 0 && i_title < p_sys->i_title &&
 824                 i_part >= 1 && i_part <= p_sys->title[i_title]->i_seekpoint &&
 825                 p_demux->info.i_seekpoint != i_part - 1 )
 826             {
 827                 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 828                 p_demux->info.i_seekpoint = i_part - 1;
 829             }
 830         }
 831         break;
 832     }
 833
 834     case DVDNAV_NAV_PACKET:
 835     {
 836         p_sys->i_vobu_index = 1;
 837         p_sys->i_vobu_flush = 0;
 838
 839         /* Look if we have need to force a flush (and when) */
 840         const pci_gi_t *p_pci_gi = &dvdnav_get_current_nav_pci( p_sys->dvdnav )->pci_gi;
 841         if( p_pci_gi->vobu_se_e_ptm != 0 && p_pci_gi->vobu_se_e_ptm < p_pci_gi->vobu_e_ptm )
 842         {
 843             const dsi_gi_t *p_dsi_gi = &dvdnav_get_current_nav_dsi( p_sys->dvdnav )->dsi_gi;
 844             if( p_dsi_gi->vobu_3rdref_ea != 0 )
 845                 p_sys->i_vobu_flush = p_dsi_gi->vobu_3rdref_ea;
 846             else if( p_dsi_gi->vobu_2ndref_ea != 0 )
 847                 p_sys->i_vobu_flush = p_dsi_gi->vobu_2ndref_ea;
 848             else if( p_dsi_gi->vobu_1stref_ea != 0 )
 849                 p_sys->i_vobu_flush = p_dsi_gi->vobu_1stref_ea;
 850         }
 851
 852 #ifdef DVDNAV_DEBUG
 853         msg_Dbg( p_demux, "DVDNAV_NAV_PACKET" );
 854 #endif
 855         /* A lot of thing to do here :
 856          *  - handle packet
 857          *  - fetch pts (for time display)
 858          *  - ...
 859          */
 860         DemuxBlock( p_demux, packet, i_len );
 861         if( p_sys->b_spu_change )
 862         {
 863             ButtonUpdate( p_demux, false );
 864             p_sys->b_spu_change = false;
 865         }
 866         break;
 867     }
 868
 869     case DVDNAV_STOP:   /* EOF */
 870         msg_Dbg( p_demux, "DVDNAV_STOP" );
 871
 872 #if DVD_READ_CACHE
 873         dvdnav_free_cache_block( p_sys->dvdnav, packet );
 874 #endif
 875         return 0;
 876
 877     case DVDNAV_HIGHLIGHT:
 878     {
 879         dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t*)packet;
 880         msg_Dbg( p_demux, "DVDNAV_HIGHLIGHT" );
 881         msg_Dbg( p_demux, "     - display=%d", event->display );
 882         msg_Dbg( p_demux, "     - buttonN=%d", event->buttonN );
 883         ButtonUpdate( p_demux, false );
 884         break;
 885     }
 886
 887     case DVDNAV_HOP_CHANNEL:
 888         msg_Dbg( p_demux, "DVDNAV_HOP_CHANNEL" );
 889         p_sys->i_vobu_index = 0;
 890         p_sys->i_vobu_flush = 0;
 891         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 892         break;
 893
 894     case DVDNAV_WAIT:
 895         msg_Dbg( p_demux, "DVDNAV_WAIT" );
 896
 897         bool b_empty;
 898         es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
 899         if( !b_empty )
 900         {
 901             msleep( 40*1000 );
 902         }
 903         else
 904         {
 905             dvdnav_wait_skip( p_sys->dvdnav );
 906             p_sys->b_reset_pcr = true;
 907         }
 908         break;
 909
 910     default:
 911         msg_Warn( p_demux, "Unknown event (0x%x)", i_event );
 912         break;
 913     }
 914
 915 #if DVD_READ_CACHE
 916     dvdnav_free_cache_block( p_sys->dvdnav, packet );
 917 #endif
 918
 919     return 1;
 920 }
 921
 922 /* Get a 2 char code
 923  * FIXME: partiallyy duplicated from src/input/es_out.c
 924  */
 925 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var )
 926 {
 927     const iso639_lang_t *pl;
 928     char *psz_lang;
 929     char *p;
 930
 931     psz_lang = var_CreateGetString( p_demux, psz_var );
 932     if( !psz_lang )
 933         return strdup(LANGUAGE_DEFAULT);
 934
 935     /* XXX: we will use only the first value
 936      * (and ignore other ones in case of a list) */
 937     if( ( p = strchr( psz_lang, ',' ) ) )
 938         *p = '\0';
 939
 940     for( pl = p_languages; pl->psz_eng_name != NULL; pl++ )
 941     {
 942         if( *psz_lang == '\0' )
 943             continue;
 944         if( !strcasecmp( pl->psz_eng_name, psz_lang ) ||
 945             !strcasecmp( pl->psz_native_name, psz_lang ) ||
 946             !strcasecmp( pl->psz_iso639_1, psz_lang ) ||
 947             !strcasecmp( pl->psz_iso639_2T, psz_lang ) ||
 948             !strcasecmp( pl->psz_iso639_2B, psz_lang ) )
 949             break;
 950     }
 951
 952     free( psz_lang );
 953
 954     if( pl->psz_eng_name != NULL )
 955         return strdup( pl->psz_iso639_1 );
 956
 957     return strdup(LANGUAGE_DEFAULT);
 958 }
 959
 960 static void DemuxTitles( demux_t *p_demux )
 961 {
 962     demux_sys_t *p_sys = p_demux->p_sys;
 963     input_title_t *t;
 964     seekpoint_t *s;
 965     int32_t i_titles;
 966     int i;
 967
 968     /* Menu */
 969     t = vlc_input_title_New();
 970     t->b_menu = true;
 971     t->psz_name = strdup( "DVD Menu" );
 972
 973     s = vlc_seekpoint_New();
 974     s->psz_name = strdup( "Resume" );
 975     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 976
 977     s = vlc_seekpoint_New();
 978     s->psz_name = strdup( "Root" );
 979     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 980
 981     s = vlc_seekpoint_New();
 982     s->psz_name = strdup( "Title" );
 983     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 984
 985     s = vlc_seekpoint_New();
 986     s->psz_name = strdup( "Chapter" );
 987     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 988
 989     s = vlc_seekpoint_New();
 990     s->psz_name = strdup( "Subtitle" );
 991     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 992
 993     s = vlc_seekpoint_New();
 994     s->psz_name = strdup( "Audio" );
 995     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 996
 997     s = vlc_seekpoint_New();
 998     s->psz_name = strdup( "Angle" );
 999     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1000
1001     TAB_APPEND( p_sys->i_title, p_sys->title, t );
1002
1003     /* Find out number of titles/chapters */
1004     dvdnav_get_number_of_titles( p_sys->dvdnav, &i_titles );
1005     for( i = 1; i <= i_titles; i++ )
1006     {
1007         int32_t i_chapters;
1008         uint64_t i_title_length;
1009
1010 #if defined(HAVE_DVDNAV_DESCRIBE_TITLE_CHAPTERS)
1011         uint64_t *p_chapters_time;
1012         i_chapters = dvdnav_describe_title_chapters( p_sys->dvdnav, i,
1013                                                      &p_chapters_time,
1014                                                      &i_title_length );
1015         if( i_chapters > 0 )
1016             free( p_chapters_time );
1017         else
1018             i_title_length = 0;
1019 #else
1020         if( dvdnav_get_number_of_parts( p_sys->dvdnav, i, &i_chapters ) != DVDNAV_STATUS_OK )
1021             i_chapters = 0;
1022         i_title_length = 0;
1023 #endif
1024         t = vlc_input_title_New();
1025         t->i_length = i_title_length * 1000 / 90;
1026         for( int j = 0; j < __MAX( i_chapters, 1 ); j++ )
1027         {
1028             s = vlc_seekpoint_New();
1029             TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1030         }
1031
1032         TAB_APPEND( p_sys->i_title, p_sys->title, t );
1033     }
1034 }
1035
1036 /*****************************************************************************
1037  * Update functions:
1038  *****************************************************************************/
1039 static void ButtonUpdate( demux_t *p_demux, bool b_mode )
1040 {
1041     demux_sys_t *p_sys = p_demux->p_sys;
1042     vlc_value_t val;
1043     int32_t i_title, i_part;
1044
1045     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1046
1047     if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
1048     {
1049         vlc_mutex_t *p_mutex = val.p_address;
1050         dvdnav_highlight_area_t hl;
1051         int32_t i_button;
1052         bool    b_button_ok;
1053
1054         if( dvdnav_get_current_highlight( p_sys->dvdnav, &i_button )
1055             != DVDNAV_STATUS_OK )
1056         {
1057             msg_Err( p_demux, "dvdnav_get_current_highlight failed" );
1058             return;
1059         }
1060
1061         b_button_ok = false;
1062         if( i_button > 0 && i_title ==  0 )
1063         {
1064             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1065
1066             b_button_ok = DVDNAV_STATUS_OK ==
1067                       dvdnav_get_highlight_area( pci, i_button, b_mode, &hl );
1068         }
1069
1070         if( b_button_ok )
1071         {
1072             int i;
1073             for( i = 0; i < 4; i++ )
1074             {
1075                 uint32_t i_yuv = p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
1076                 uint8_t i_alpha = ( (hl.palette>>(i*4))&0x0f ) * 0xff / 0xf;
1077
1078                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
1079                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
1080                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
1081                 p_sys->palette[i][3] = i_alpha;
1082             }
1083
1084             vlc_mutex_lock( p_mutex );
1085             var_SetInteger( p_sys->p_input, "x-start", hl.sx );
1086             var_SetInteger( p_sys->p_input, "x-end",  hl.ex );
1087             var_SetInteger( p_sys->p_input, "y-start", hl.sy );
1088             var_SetInteger( p_sys->p_input, "y-end", hl.ey );
1089
1090             var_SetAddress( p_sys->p_input, "menu-palette", p_sys->palette );
1091
1092             var_SetBool( p_sys->p_input, "highlight", true );
1093             vlc_mutex_unlock( p_mutex );
1094
1095             msg_Dbg( p_demux, "buttonUpdate %d", i_button );
1096         }
1097         else
1098         {
1099             msg_Dbg( p_demux, "buttonUpdate not done b=%d t=%d",
1100                      i_button, i_title );
1101
1102             /* Show all */
1103             vlc_mutex_lock( p_mutex );
1104             var_SetBool( p_sys->p_input, "highlight", false );
1105             vlc_mutex_unlock( p_mutex );
1106         }
1107     }
1108 }
1109
1110 static void ESSubtitleUpdate( demux_t *p_demux )
1111 {
1112     demux_sys_t *p_sys = p_demux->p_sys;
1113     int         i_spu = dvdnav_get_active_spu_stream( p_sys->dvdnav );
1114     int32_t i_title, i_part;
1115
1116     ButtonUpdate( p_demux, false );
1117
1118     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1119     if( i_title > 0 ) return;
1120
1121     if( i_spu >= 0 && i_spu <= 0x1f )
1122     {
1123         ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1124
1125         ESNew( p_demux, 0xbd20 + i_spu );
1126
1127         /* be sure to unselect it (reset) */
1128         es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1129                         (bool)false );
1130
1131         /* now select it */
1132         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1133     }
1134     else
1135     {
1136         for( i_spu = 0; i_spu <= 0x1F; i_spu++ )
1137         {
1138             ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1139             if( tk->b_seen )
1140             {
1141                 es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1142                                 (bool)false );
1143             }
1144         }
1145     }
1146 }
1147
1148 /*****************************************************************************
1149  * DemuxBlock: demux a given block
1150  *****************************************************************************/
1151 static int DemuxBlock( demux_t *p_demux, const uint8_t *p, int len )
1152 {
1153     demux_sys_t *p_sys = p_demux->p_sys;
1154
1155     while( len > 0 )
1156     {
1157         int i_size = ps_pkt_size( p, len );
1158         if( i_size <= 0 || i_size > len )
1159         {
1160             break;
1161         }
1162
1163         /* Create a block */
1164         block_t *p_pkt = block_New( p_demux, i_size );
1165         memcpy( p_pkt->p_buffer, p, i_size);
1166
1167         /* Parse it and send it */
1168         switch( 0x100 | p[3] )
1169         {
1170         case 0x1b9:
1171         case 0x1bb:
1172         case 0x1bc:
1173 #ifdef DVDNAV_DEBUG
1174             if( p[3] == 0xbc )
1175             {
1176                 msg_Warn( p_demux, "received a PSM packet" );
1177             }
1178             else if( p[3] == 0xbb )
1179             {
1180                 msg_Warn( p_demux, "received a SYSTEM packet" );
1181             }
1182 #endif
1183             block_Release( p_pkt );
1184             break;
1185
1186         case 0x1ba:
1187         {
1188             int64_t i_scr;
1189             int i_mux_rate;
1190             if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
1191             {
1192                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr + 1 );
1193                 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
1194             }
1195             block_Release( p_pkt );
1196             break;
1197         }
1198         default:
1199         {
1200             int i_id = ps_pkt_id( p_pkt );
1201             if( i_id >= 0xc0 )
1202             {
1203                 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1204
1205                 if( !tk->b_seen )
1206                 {
1207                     ESNew( p_demux, i_id );
1208                 }
1209                 if( tk->b_seen && tk->es &&
1210                     !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
1211                 {
1212                     es_out_Send( p_demux->out, tk->es, p_pkt );
1213                 }
1214                 else
1215                 {
1216                     block_Release( p_pkt );
1217                 }
1218             }
1219             else
1220             {
1221                 block_Release( p_pkt );
1222             }
1223             break;
1224         }
1225         }
1226
1227         p += i_size;
1228         len -= i_size;
1229     }
1230
1231     return VLC_SUCCESS;
1232 }
1233
1234 /*****************************************************************************
1235  * Force still images to be displayed by sending EOS and stopping buffering.
1236  *****************************************************************************/
1237 static void DemuxForceStill( demux_t *p_demux )
1238 {
1239     static const uint8_t buffer[] = {
1240         0x00, 0x00, 0x01, 0xe0, 0x00, 0x07,
1241         0x80, 0x00, 0x00,
1242         0x00, 0x00, 0x01, 0xB7,
1243     };
1244     DemuxBlock( p_demux, buffer, sizeof(buffer) );
1245
1246     bool b_empty;
1247     es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
1248 }
1249
1250 /*****************************************************************************
1251  * ESNew: register a new elementary stream
1252  *****************************************************************************/
1253 static void ESNew( demux_t *p_demux, int i_id )
1254 {
1255     demux_sys_t *p_sys = p_demux->p_sys;
1256     ps_track_t  *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1257     bool  b_select = false;
1258
1259     if( tk->b_seen ) return;
1260
1261     if( ps_track_fill( tk, 0, i_id ) )
1262     {
1263         msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
1264         return;
1265     }
1266
1267     /* Add a new ES */
1268     if( tk->fmt.i_cat == VIDEO_ES )
1269     {
1270         tk->fmt.video.i_sar_num = p_sys->sar.i_num;
1271         tk->fmt.video.i_sar_den = p_sys->sar.i_den;
1272         b_select = true;
1273     }
1274     else if( tk->fmt.i_cat == AUDIO_ES )
1275     {
1276         int i_audio = -1;
1277         /* find the audio number PLEASE find another way */
1278         if( (i_id&0xbdf8) == 0xbd88 )       /* dts */
1279         {
1280             i_audio = i_id&0x07;
1281         }
1282         else if( (i_id&0xbdf0) == 0xbd80 )  /* a52 */
1283         {
1284             i_audio = i_id&0xf;
1285         }
1286         else if( (i_id&0xbdf0) == 0xbda0 )  /* lpcm */
1287         {
1288             i_audio = i_id&0x1f;
1289         }
1290         else if( ( i_id&0xe0 ) == 0xc0 )    /* mpga */
1291         {
1292             i_audio = i_id&0x1f;
1293         }
1294         if( i_audio >= 0 )
1295         {
1296             int i_lang = dvdnav_audio_stream_to_lang( p_sys->dvdnav, i_audio );
1297             if( i_lang != 0xffff )
1298             {
1299                 tk->fmt.psz_language = malloc( 3 );
1300                 tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1301                 tk->fmt.psz_language[1] = (i_lang     )&0xff;
1302                 tk->fmt.psz_language[2] = 0;
1303             }
1304             if( dvdnav_get_active_audio_stream( p_sys->dvdnav ) == i_audio )
1305             {
1306                 b_select = true;
1307             }
1308         }
1309     }
1310     else if( tk->fmt.i_cat == SPU_ES )
1311     {
1312         int32_t i_title, i_part;
1313         int i_lang = dvdnav_spu_stream_to_lang( p_sys->dvdnav, i_id&0x1f );
1314         if( i_lang != 0xffff )
1315         {
1316             tk->fmt.psz_language = malloc( 3 );
1317             tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1318             tk->fmt.psz_language[1] = (i_lang     )&0xff;
1319             tk->fmt.psz_language[2] = 0;
1320         }
1321
1322         /* Palette */
1323         tk->fmt.subs.spu.palette[0] = 0xBeef;
1324         memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
1325                 16 * sizeof( uint32_t ) );
1326
1327         /* We select only when we are not in the menu */
1328         dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1329         if( i_title > 0 &&
1330             dvdnav_get_active_spu_stream( p_sys->dvdnav ) == (i_id&0x1f) )
1331         {
1332             b_select = true;
1333         }
1334     }
1335
1336     tk->es = es_out_Add( p_demux->out, &tk->fmt );
1337     if( b_select )
1338     {
1339         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1340     }
1341     tk->b_seen = true;
1342
1343     if( tk->fmt.i_cat == VIDEO_ES ) ButtonUpdate( p_demux, false );
1344 }
1345
1346 /*****************************************************************************
1347  * Still image end
1348  *****************************************************************************/
1349 static void StillTimer( void *p_data )
1350 {
1351     demux_sys_t    *p_sys = p_data;
1352
1353     vlc_mutex_lock( &p_sys->still.lock );
1354     if( likely(p_sys->still.b_enabled) )
1355     {
1356         p_sys->still.b_enabled = false;
1357         dvdnav_still_skip( p_sys->dvdnav );
1358     }
1359     vlc_mutex_unlock( &p_sys->still.lock );
1360 }
1361
1362 static int EventMouse( vlc_object_t *p_vout, char const *psz_var,
1363                        vlc_value_t oldval, vlc_value_t val, void *p_data )
1364 {
1365     demux_t *p_demux = p_data;
1366     demux_sys_t *p_sys = p_demux->p_sys;
1367
1368     /* FIXME? PCI usage thread safe? */
1369     pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1370     int x = val.coords.x;
1371     int y = val.coords.y;
1372
1373     if( psz_var[6] == 'm' ) /* mouse-moved */
1374         dvdnav_mouse_select( p_sys->dvdnav, pci, x, y );
1375     else
1376     {
1377         assert( psz_var[6] == 'c' ); /* mouse-clicked */
1378
1379         ButtonUpdate( p_demux, true );
1380         dvdnav_mouse_activate( p_sys->dvdnav, pci, x, y );
1381     }
1382     (void)p_vout;
1383     (void)oldval;
1384     return VLC_SUCCESS;
1385 }
1386
1387 static int EventKey( vlc_object_t *p_this, char const *psz_var,
1388                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
1389 {
1390     demux_t *p_demux = p_data;
1391     demux_sys_t *p_sys = p_demux->p_sys;
1392
1393     /* FIXME: thread-safe ? */
1394     pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1395
1396     switch( newval.i_int )
1397     {
1398     case ACTIONID_NAV_LEFT:
1399         dvdnav_left_button_select( p_sys->dvdnav, pci );
1400         break;
1401     case ACTIONID_NAV_RIGHT:
1402         dvdnav_right_button_select( p_sys->dvdnav, pci );
1403         break;
1404     case ACTIONID_NAV_UP:
1405         dvdnav_upper_button_select( p_sys->dvdnav, pci );
1406         break;
1407     case ACTIONID_NAV_DOWN:
1408         dvdnav_lower_button_select( p_sys->dvdnav, pci );
1409         break;
1410     case ACTIONID_NAV_ACTIVATE:
1411         ButtonUpdate( p_demux, true );
1412         dvdnav_button_activate( p_sys->dvdnav, pci );
1413         break;
1414     }
1415
1416     (void)p_this;    (void)psz_var;    (void)oldval;
1417     return VLC_SUCCESS;
1418 }
1419
1420 static int EventIntf( vlc_object_t *p_input, char const *psz_var,
1421                       vlc_value_t oldval, vlc_value_t val, void *p_data )
1422 {
1423     demux_t *p_demux = p_data;
1424     demux_sys_t *p_sys = p_demux->p_sys;
1425
1426     if (val.i_int == INPUT_EVENT_VOUT)
1427     {
1428         if( p_sys->p_vout != NULL )
1429         {
1430             var_DelCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
1431             var_DelCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
1432             vlc_object_release( p_sys->p_vout );
1433         }
1434
1435         p_sys->p_vout = input_GetVout( (input_thread_t *)p_input );
1436         if( p_sys->p_vout != NULL )
1437         {
1438             var_AddCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
1439             var_AddCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
1440         }
1441     }
1442     (void) psz_var; (void) oldval;
1443     return VLC_SUCCESS;
1444 }
1445
1446 /*****************************************************************************
1447  * ProbeDVD: very weak probing that avoids going too often into a dvdnav_open()
1448  *****************************************************************************/
1449 static int ProbeDVD( const char *psz_name )
1450 {
1451     if( !*psz_name )
1452         /* Triggers libdvdcss autodetection */
1453         return VLC_SUCCESS;
1454
1455     int fd = vlc_open( psz_name, O_RDONLY | O_NONBLOCK );
1456     if( fd == -1 )
1457 #ifdef HAVE_FDOPENDIR
1458         return VLC_EGENERIC;
1459 #else
1460         return (errno == ENOENT) ? VLC_EGENERIC : VLC_SUCCESS;
1461 #endif
1462
1463     int ret = VLC_EGENERIC;
1464
1465 #ifdef HAVE_SYS_STAT_H
1466     struct stat stat_info;
1467
1468     if( fstat( fd, &stat_info ) == -1 )
1469          goto bailout;
1470
1471     if( !S_ISREG( stat_info.st_mode ) )
1472     {
1473         if( S_ISDIR( stat_info.st_mode ) || S_ISBLK( stat_info.st_mode ) )
1474             ret = VLC_SUCCESS; /* Let dvdnav_open() do the probing */
1475         goto bailout;
1476     }
1477 #endif
1478     /* Try to find the anchor (2 bytes at LBA 256) */
1479     uint16_t anchor;
1480
1481     if( lseek( fd, 256 * DVD_VIDEO_LB_LEN, SEEK_SET ) != -1
1482      && read( fd, &anchor, 2 ) == 2
1483      && GetWLE( &anchor ) == 2 )
1484         ret = VLC_SUCCESS; /* Found a potential anchor */
1485
1486 bailout:
1487     close( fd );
1488     return ret;
1489 }