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 #include <errno.h>
  56
  57 #include <vlc_keys.h>
  58 #include <vlc_iso_lang.h>
  59
  60 /* FIXME we should find a better way than including that */
  61 #include "../../src/text/iso-639_def.h"
  62
  63
  64 #include <dvdnav/dvdnav.h>
  65
  66 #include "../demux/ps.h"
  67
  68 /*****************************************************************************
  69  * Module descriptor
  70  *****************************************************************************/
  71 #define ANGLE_TEXT N_("DVD angle")
  72 #define ANGLE_LONGTEXT N_( \
  73      "Default DVD angle." )
  74
  75 #define CACHING_TEXT N_("Caching value in ms")
  76 #define CACHING_LONGTEXT N_( \
  77     "Caching value for DVDs. This "\
  78     "value should be set in milliseconds." )
  79 #define MENU_TEXT N_("Start directly in menu")
  80 #define MENU_LONGTEXT N_( \
  81     "Start the DVD directly in the main menu. This "\
  82     "will try to skip all the useless warning introductions." )
  83
  84 #define LANGUAGE_DEFAULT ("en")
  85
  86 static int  Open ( vlc_object_t * );
  87 static void Close( vlc_object_t * );
  88
  89 vlc_module_begin ()
  90     set_shortname( N_("DVD with menus") )
  91     set_description( N_("DVDnav Input") )
  92     set_category( CAT_INPUT )
  93     set_subcategory( SUBCAT_INPUT_ACCESS )
  94     add_integer( "dvdnav-angle", 1, ANGLE_TEXT,
  95         ANGLE_LONGTEXT, false )
  96     add_integer( "dvdnav-caching", DEFAULT_PTS_DELAY / 1000,
  97         CACHING_TEXT, CACHING_LONGTEXT, true )
  98     add_bool( "dvdnav-menu", true,
  99         MENU_TEXT, MENU_LONGTEXT, false )
 100     set_capability( "access_demux", 5 )
 101     add_shortcut( "dvd", "dvdnav", "file" )
 102     set_callbacks( Open, Close )
 103 vlc_module_end ()
 104
 105 /* Shall we use libdvdnav's read ahead cache? */
 106 #define DVD_READ_CACHE 1
 107
 108 /*****************************************************************************
 109  * Local prototypes
 110  *****************************************************************************/
 111 struct demux_sys_t
 112 {
 113     dvdnav_t    *dvdnav;
 114
 115     /* */
 116     bool        b_reset_pcr;
 117
 118     struct
 119     {
 120         bool         b_created;
 121         bool         b_enabled;
 122         vlc_mutex_t  lock;
 123         vlc_timer_t  timer;
 124     } still;
 125
 126     /* track */
 127     ps_track_t  tk[PS_TK_COUNT];
 128     int         i_mux_rate;
 129
 130     /* for spu variables */
 131     input_thread_t *p_input;
 132
 133     /* event */
 134     vout_thread_t *p_vout;
 135
 136     /* palette for menus */
 137     uint32_t clut[16];
 138     uint8_t  palette[4][4];
 139     bool b_spu_change;
 140
 141     /* Aspect ration */
 142     struct {
 143         unsigned i_num;
 144         unsigned i_den;
 145     } sar;
 146
 147     /* */
 148     int           i_title;
 149     input_title_t **title;
 150
 151     /* lenght of program group chain */
 152     mtime_t     i_pgc_length;
 153     int         i_vobu_index;
 154     int         i_vobu_flush;
 155 };
 156
 157 static int Control( demux_t *, int, va_list );
 158 static int Demux( demux_t * );
 159 static int DemuxBlock( demux_t *, const uint8_t *, int );
 160 static void DemuxForceStill( demux_t * );
 161
 162 static void DemuxTitles( demux_t * );
 163 static void ESSubtitleUpdate( demux_t * );
 164 static void ButtonUpdate( demux_t *, bool );
 165
 166 static void ESNew( demux_t *, int );
 167 static int ProbeDVD( const char * );
 168
 169 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var );
 170
 171 static int ControlInternal( demux_t *, int, ... );
 172
 173 static void StillTimer( void * );
 174
 175 static int EventKey( vlc_object_t *, char const *,
 176                      vlc_value_t, vlc_value_t, void * );
 177 static int EventMouse( vlc_object_t *, char const *,
 178                        vlc_value_t, vlc_value_t, void * );
 179 static int EventIntf( vlc_object_t *, char const *,
 180                       vlc_value_t, vlc_value_t, void * );
 181
 182 /*****************************************************************************
 183  * DemuxOpen:
 184  *****************************************************************************/
 185 static int Open( vlc_object_t *p_this )
 186 {
 187     demux_t     *p_demux = (demux_t*)p_this;
 188     demux_sys_t *p_sys;
 189     dvdnav_t    *p_dvdnav;
 190     int         i_angle;
 191     char        *psz_file;
 192     char        *psz_code;
 193
 194     if( !p_demux->psz_file || !*p_demux->psz_file )
 195     {
 196         /* Only when selected */
 197         if( !p_demux->psz_access || !*p_demux->psz_access )
 198             return VLC_EGENERIC;
 199
 200         psz_file = var_InheritString( p_this, "dvd" );
 201     }
 202     else
 203         psz_file = strdup( p_demux->psz_file );
 204
 205 #if defined( WIN32 ) || defined( __OS2__ )
 206     if( psz_file != NULL )
 207     {
 208         /* Remove trailing backslash, otherwise dvdnav_open will fail */
 209         size_t flen = strlen( psz_file );
 210         if( flen > 0 && psz_file[flen - 1] == '\\' )
 211             psz_file[flen - 1] = '\0';
 212     }
 213     else
 214         psz_file = strdup("");
 215 #endif
 216     if( unlikely(psz_file == NULL) )
 217         return VLC_EGENERIC;
 218
 219     /* Try some simple probing to avoid going through dvdnav_open too often */
 220     if( ProbeDVD( psz_file ) != VLC_SUCCESS )
 221     {
 222         free( psz_file );
 223         return VLC_EGENERIC;
 224     }
 225
 226     /* Open dvdnav */
 227     const char *psz_path = ToLocale( psz_file );
 228     if( dvdnav_open( &p_dvdnav, psz_path ) != DVDNAV_STATUS_OK )
 229         p_dvdnav = NULL;
 230     LocaleFree( psz_path );
 231     if( p_dvdnav == NULL )
 232     {
 233         msg_Warn( p_demux, "cannot open DVD (%s)", psz_file);
 234         free( psz_file );
 235         return VLC_EGENERIC;
 236     }
 237     free( psz_file );
 238
 239     /* Fill p_demux field */
 240     DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
 241     p_sys->dvdnav = p_dvdnav;
 242     p_sys->b_reset_pcr = false;
 243
 244     ps_track_init( p_sys->tk );
 245     p_sys->sar.i_num = 0;
 246     p_sys->sar.i_den = 0;
 247     p_sys->i_mux_rate = 0;
 248     p_sys->i_pgc_length = 0;
 249     p_sys->b_spu_change = false;
 250     p_sys->i_vobu_index = 0;
 251     p_sys->i_vobu_flush = 0;
 252
 253     if( 1 )
 254     {
 255         // Hack for libdvdnav CVS.
 256         // Without it dvdnav_get_number_of_titles() fails.
 257         // Remove when fixed in libdvdnav CVS.
 258         uint8_t buffer[DVD_VIDEO_LB_LEN];
 259         int i_event, i_len;
 260
 261         if( dvdnav_get_next_block( p_sys->dvdnav, buffer, &i_event, &i_len )
 262               == DVDNAV_STATUS_ERR )
 263         {
 264             msg_Warn( p_demux, "dvdnav_get_next_block failed" );
 265         }
 266
 267         dvdnav_sector_search( p_sys->dvdnav, 0, SEEK_SET );
 268     }
 269
 270     /* Configure dvdnav */
 271     if( dvdnav_set_readahead_flag( p_sys->dvdnav, DVD_READ_CACHE ) !=
 272           DVDNAV_STATUS_OK )
 273     {
 274         msg_Warn( p_demux, "cannot set read-a-head flag" );
 275     }
 276
 277     if( dvdnav_set_PGC_positioning_flag( p_sys->dvdnav, 1 ) !=
 278           DVDNAV_STATUS_OK )
 279     {
 280         msg_Warn( p_demux, "cannot set PGC positioning flag" );
 281     }
 282
 283     /* Set menu language
 284      * XXX A menu-language may be better than sub-language */
 285     psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
 286     if( dvdnav_menu_language_select( p_sys->dvdnav, psz_code ) !=
 287         DVDNAV_STATUS_OK )
 288     {
 289         msg_Warn( p_demux, "can't set menu language to '%s' (%s)",
 290                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 291         /* We try to fall back to 'en' */
 292         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 293             dvdnav_menu_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 294     }
 295     free( psz_code );
 296
 297     /* Set audio language */
 298     psz_code = DemuxGetLanguageCode( p_demux, "audio-language" );
 299     if( dvdnav_audio_language_select( p_sys->dvdnav, psz_code ) !=
 300         DVDNAV_STATUS_OK )
 301     {
 302         msg_Warn( p_demux, "can't set audio language to '%s' (%s)",
 303                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 304         /* We try to fall back to 'en' */
 305         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 306             dvdnav_audio_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 307     }
 308     free( psz_code );
 309
 310     /* Set spu language */
 311     psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
 312     if( dvdnav_spu_language_select( p_sys->dvdnav, psz_code ) !=
 313         DVDNAV_STATUS_OK )
 314     {
 315         msg_Warn( p_demux, "can't set spu language to '%s' (%s)",
 316                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 317         /* We try to fall back to 'en' */
 318         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 319             dvdnav_spu_language_select(p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 320     }
 321     free( psz_code );
 322
 323     DemuxTitles( p_demux );
 324
 325     if( var_CreateGetBool( p_demux, "dvdnav-menu" ) )
 326     {
 327         msg_Dbg( p_demux, "trying to go to dvd menu" );
 328
 329         if( dvdnav_title_play( p_sys->dvdnav, 1 ) != DVDNAV_STATUS_OK )
 330         {
 331             msg_Err( p_demux, "cannot set title (can't decrypt DVD?)" );
 332             dialog_Fatal( p_demux, _("Playback failure"), "%s",
 333                             _("VLC cannot set the DVD's title. It possibly "
 334                               "cannot decrypt the entire disc.") );
 335             dvdnav_close( p_sys->dvdnav );
 336             free( p_sys );
 337             return VLC_EGENERIC;
 338         }
 339
 340         if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title ) !=
 341             DVDNAV_STATUS_OK )
 342         {
 343             /* Try going to menu root */
 344             if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root ) !=
 345                 DVDNAV_STATUS_OK )
 346                     msg_Warn( p_demux, "cannot go to dvd menu" );
 347         }
 348     }
 349
 350     i_angle = var_CreateGetInteger( p_demux, "dvdnav-angle" );
 351     if( i_angle <= 0 ) i_angle = 1;
 352
 353     /* Update default_pts to a suitable value for dvdnav access */
 354     var_Create( p_demux, "dvdnav-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 355
 356     /* FIXME hack hack hack hack FIXME */
 357     /* Get p_input and create variable */
 358     p_sys->p_input = demux_GetParentInput( p_demux );
 359     var_Create( p_sys->p_input, "x-start", VLC_VAR_INTEGER );
 360     var_Create( p_sys->p_input, "y-start", VLC_VAR_INTEGER );
 361     var_Create( p_sys->p_input, "x-end", VLC_VAR_INTEGER );
 362     var_Create( p_sys->p_input, "y-end", VLC_VAR_INTEGER );
 363     var_Create( p_sys->p_input, "color", VLC_VAR_ADDRESS );
 364     var_Create( p_sys->p_input, "menu-palette", VLC_VAR_ADDRESS );
 365     var_Create( p_sys->p_input, "highlight", VLC_VAR_BOOL );
 366     var_Create( p_sys->p_input, "highlight-mutex", VLC_VAR_MUTEX );
 367
 368     /* catch all key event */
 369     var_AddCallback( p_demux->p_libvlc, "key-action", EventKey, p_demux );
 370     /* catch vout creation event */
 371     var_AddCallback( p_sys->p_input, "intf-event", EventIntf, p_demux );
 372
 373     p_sys->still.b_enabled = false;
 374     vlc_mutex_init( &p_sys->still.lock );
 375     if( !vlc_timer_create( &p_sys->still.timer, StillTimer, p_sys ) )
 376         p_sys->still.b_created = true;
 377
 378     return VLC_SUCCESS;
 379 }
 380
 381 /*****************************************************************************
 382  * Close:
 383  *****************************************************************************/
 384 static void Close( vlc_object_t *p_this )
 385 {
 386     demux_t     *p_demux = (demux_t*)p_this;
 387     demux_sys_t *p_sys = p_demux->p_sys;
 388
 389     /* Stop vout event handler */
 390     var_DelCallback( p_sys->p_input, "intf-event", EventIntf, p_demux );
 391     if( p_sys->p_vout != NULL )
 392     {   /* Should not happen, but better be safe than sorry. */
 393         msg_Warn( p_sys->p_vout, "removing dangling mouse DVD callbacks" );
 394         var_DelCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
 395         var_DelCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
 396     }
 397
 398     /* Stop key event handler (FIXME: should really be per-vout too) */
 399     var_DelCallback( p_demux->p_libvlc, "key-action", EventKey, p_demux );
 400
 401     /* Stop still image handler */
 402     if( p_sys->still.b_created )
 403         vlc_timer_destroy( p_sys->still.timer );
 404     vlc_mutex_destroy( &p_sys->still.lock );
 405
 406     var_Destroy( p_sys->p_input, "highlight-mutex" );
 407     var_Destroy( p_sys->p_input, "highlight" );
 408     var_Destroy( p_sys->p_input, "x-start" );
 409     var_Destroy( p_sys->p_input, "x-end" );
 410     var_Destroy( p_sys->p_input, "y-start" );
 411     var_Destroy( p_sys->p_input, "y-end" );
 412     var_Destroy( p_sys->p_input, "color" );
 413     var_Destroy( p_sys->p_input, "menu-palette" );
 414
 415     vlc_object_release( p_sys->p_input );
 416
 417     for( int i = 0; i < PS_TK_COUNT; i++ )
 418     {
 419         ps_track_t *tk = &p_sys->tk[i];
 420         if( tk->b_seen )
 421         {
 422             es_format_Clean( &tk->fmt );
 423             if( tk->es ) es_out_Del( p_demux->out, tk->es );
 424         }
 425     }
 426
 427     /* Free the array of titles */
 428     for( int i = 0; i < p_sys->i_title; i++ )
 429         vlc_input_title_Delete( p_sys->title[i] );
 430     TAB_CLEAN( p_sys->i_title, p_sys->title );
 431
 432     dvdnav_close( p_sys->dvdnav );
 433     free( p_sys );
 434 }
 435
 436 /*****************************************************************************
 437  * Control:
 438  *****************************************************************************/
 439 static int Control( demux_t *p_demux, int i_query, va_list args )
 440 {
 441     demux_sys_t *p_sys = p_demux->p_sys;
 442     input_title_t ***ppp_title;
 443     int i;
 444
 445     switch( i_query )
 446     {
 447         case DEMUX_SET_POSITION:
 448         case DEMUX_GET_POSITION:
 449         case DEMUX_GET_TIME:
 450         case DEMUX_GET_LENGTH:
 451         {
 452             uint32_t pos, len;
 453             if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) !=
 454                   DVDNAV_STATUS_OK || len == 0 )
 455             {
 456                 return VLC_EGENERIC;
 457             }
 458
 459             switch( i_query )
 460             {
 461             case DEMUX_GET_POSITION:
 462                 *va_arg( args, double* ) = (double)pos / (double)len;
 463                 return VLC_SUCCESS;
 464
 465             case DEMUX_SET_POSITION:
 466                 pos = va_arg( args, double ) * len;
 467                 if( dvdnav_sector_search( p_sys->dvdnav, pos, SEEK_SET ) ==
 468                       DVDNAV_STATUS_OK )
 469                 {
 470                     return VLC_SUCCESS;
 471                 }
 472                 break;
 473
 474             case DEMUX_GET_TIME:
 475                 if( p_sys->i_pgc_length > 0 )
 476                 {
 477                     *va_arg( args, int64_t * ) = p_sys->i_pgc_length*pos/len;
 478                     return VLC_SUCCESS;
 479                 }
 480                 break;
 481
 482             case DEMUX_GET_LENGTH:
 483                 if( p_sys->i_pgc_length > 0 )
 484                 {
 485                     *va_arg( args, int64_t * ) = (int64_t)p_sys->i_pgc_length;
 486                     return VLC_SUCCESS;
 487                 }
 488                 break;
 489             }
 490             return VLC_EGENERIC;
 491         }
 492
 493         /* Special for access_demux */
 494         case DEMUX_CAN_PAUSE:
 495         case DEMUX_CAN_SEEK:
 496         case DEMUX_CAN_CONTROL_PACE:
 497             /* TODO */
 498             *va_arg( args, bool * ) = true;
 499             return VLC_SUCCESS;
 500
 501         case DEMUX_SET_PAUSE_STATE:
 502             return VLC_SUCCESS;
 503
 504         case DEMUX_GET_TITLE_INFO:
 505             ppp_title = va_arg( args, input_title_t*** );
 506             *va_arg( args, int* ) = p_sys->i_title;
 507             *va_arg( args, int* ) = 0; /* Title offset */
 508             *va_arg( args, int* ) = 1; /* Chapter offset */
 509
 510             /* Duplicate title infos */
 511             *ppp_title = malloc( sizeof( input_title_t ** ) * p_sys->i_title );
 512             for( i = 0; i < p_sys->i_title; i++ )
 513             {
 514                 (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->title[i] );
 515             }
 516             return VLC_SUCCESS;
 517
 518         case DEMUX_SET_TITLE:
 519             i = (int)va_arg( args, int );
 520             if( ( i == 0 && dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root )
 521                   != DVDNAV_STATUS_OK ) ||
 522                 ( i != 0 && dvdnav_title_play( p_sys->dvdnav, i )
 523                   != DVDNAV_STATUS_OK ) )
 524             {
 525                 msg_Warn( p_demux, "cannot set title/chapter" );
 526                 return VLC_EGENERIC;
 527             }
 528             p_demux->info.i_update |=
 529                 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
 530             p_demux->info.i_title = i;
 531             p_demux->info.i_seekpoint = 0;
 532             return VLC_SUCCESS;
 533
 534         case DEMUX_SET_SEEKPOINT:
 535             i = va_arg( args, int );
 536             if( p_demux->info.i_title == 0 )
 537             {
 538                 static const int argtab[] = {
 539                     DVD_MENU_Escape,
 540                     DVD_MENU_Root,
 541                     DVD_MENU_Title,
 542                     DVD_MENU_Part,
 543                     DVD_MENU_Subpicture,
 544                     DVD_MENU_Audio,
 545                     DVD_MENU_Angle
 546                 };
 547                 enum { numargs = sizeof(argtab)/sizeof(int) };
 548                 if( (unsigned)i >= numargs || DVDNAV_STATUS_OK !=
 549                            dvdnav_menu_call(p_sys->dvdnav,argtab[i]) )
 550                     return VLC_EGENERIC;
 551             }
 552             else if( dvdnav_part_play( p_sys->dvdnav, p_demux->info.i_title,
 553                                        i + 1 ) != DVDNAV_STATUS_OK )
 554             {
 555                 msg_Warn( p_demux, "cannot set title/chapter" );
 556                 return VLC_EGENERIC;
 557             }
 558             p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 559             p_demux->info.i_seekpoint = i;
 560             return VLC_SUCCESS;
 561
 562         case DEMUX_GET_PTS_DELAY:
 563             *va_arg( args, int64_t * )
 564                  = (int64_t)var_GetInteger( p_demux, "dvdnav-caching" ) *1000;
 565             return VLC_SUCCESS;
 566
 567         case DEMUX_GET_META:
 568         {
 569             const char *title_name = NULL;
 570
 571             dvdnav_get_title_string(p_sys->dvdnav, &title_name);
 572             if( (NULL != title_name) && ('\0' != title_name[0]) )
 573             {
 574                 vlc_meta_t *p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
 575                 vlc_meta_Set( p_meta, vlc_meta_Title, title_name );
 576                 return VLC_SUCCESS;
 577             }
 578             return VLC_EGENERIC;
 579         }
 580
 581         /* TODO implement others */
 582         default:
 583             return VLC_EGENERIC;
 584     }
 585 }
 586
 587 static int ControlInternal( demux_t *p_demux, int i_query, ... )
 588 {
 589     va_list args;
 590     int     i_result;
 591
 592     va_start( args, i_query );
 593     i_result = Control( p_demux, i_query, args );
 594     va_end( args );
 595
 596     return i_result;
 597 }
 598 /*****************************************************************************
 599  * Demux:
 600  *****************************************************************************/
 601 static int Demux( demux_t *p_demux )
 602 {
 603     demux_sys_t *p_sys = p_demux->p_sys;
 604
 605     uint8_t buffer[DVD_VIDEO_LB_LEN];
 606     uint8_t *packet = buffer;
 607     int i_event;
 608     int i_len;
 609
 610 #if DVD_READ_CACHE
 611     if( dvdnav_get_next_cache_block( p_sys->dvdnav, &packet, &i_event, &i_len )
 612         == DVDNAV_STATUS_ERR )
 613 #else
 614     if( dvdnav_get_next_block( p_sys->dvdnav, packet, &i_event, &i_len )
 615         == DVDNAV_STATUS_ERR )
 616 #endif
 617     {
 618         msg_Warn( p_demux, "cannot get next block (%s)",
 619                   dvdnav_err_to_string( p_sys->dvdnav ) );
 620         if( p_demux->info.i_title == 0 )
 621         {
 622             msg_Dbg( p_demux, "jumping to first title" );
 623             return ControlInternal( p_demux, DEMUX_SET_TITLE, 1 ) == VLC_SUCCESS ? 1 : -1;
 624         }
 625         return -1;
 626     }
 627
 628     switch( i_event )
 629     {
 630     case DVDNAV_BLOCK_OK:   /* mpeg block */
 631         vlc_mutex_lock( &p_sys->still.lock );
 632         vlc_timer_schedule( p_sys->still.timer, false, 0, 0 );
 633         p_sys->still.b_enabled = false;
 634         vlc_mutex_unlock( &p_sys->still.lock );
 635         if( p_sys->b_reset_pcr )
 636         {
 637             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 638             p_sys->b_reset_pcr = false;
 639         }
 640         DemuxBlock( p_demux, packet, i_len );
 641         if( p_sys->i_vobu_index > 0 )
 642         {
 643             if( p_sys->i_vobu_flush == p_sys->i_vobu_index )
 644                 DemuxForceStill( p_demux );
 645             p_sys->i_vobu_index++;
 646         }
 647         break;
 648
 649     case DVDNAV_NOP:    /* Nothing */
 650         msg_Dbg( p_demux, "DVDNAV_NOP" );
 651         break;
 652
 653     case DVDNAV_STILL_FRAME:
 654     {
 655         dvdnav_still_event_t *event = (dvdnav_still_event_t*)packet;
 656         bool b_still_init = false;
 657
 658         vlc_mutex_lock( &p_sys->still.lock );
 659         if( !p_sys->still.b_enabled )
 660         {
 661             msg_Dbg( p_demux, "DVDNAV_STILL_FRAME" );
 662             msg_Dbg( p_demux, "     - length=0x%x", event->length );
 663             p_sys->still.b_enabled = true;
 664
 665             if( event->length != 0xff && p_sys->still.b_created )
 666             {
 667                 mtime_t delay = event->length * CLOCK_FREQ;
 668                 vlc_timer_schedule( p_sys->still.timer, false, delay, 0 );
 669             }
 670
 671             b_still_init = true;
 672         }
 673         vlc_mutex_unlock( &p_sys->still.lock );
 674
 675         if( b_still_init )
 676         {
 677             DemuxForceStill( p_demux );
 678             p_sys->b_reset_pcr = true;
 679         }
 680         msleep( 40000 );
 681         break;
 682     }
 683
 684     case DVDNAV_SPU_CLUT_CHANGE:
 685     {
 686         int i;
 687
 688         msg_Dbg( p_demux, "DVDNAV_SPU_CLUT_CHANGE" );
 689         /* Update color lookup table (16 *uint32_t in packet) */
 690         memcpy( p_sys->clut, packet, 16 * sizeof( uint32_t ) );
 691
 692         /* HACK to get the SPU tracks registered in the right order */
 693         for( i = 0; i < 0x1f; i++ )
 694         {
 695             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 696                 ESNew( p_demux, 0xbd20 + i );
 697         }
 698         /* END HACK */
 699         break;
 700     }
 701
 702     case DVDNAV_SPU_STREAM_CHANGE:
 703     {
 704         dvdnav_spu_stream_change_event_t *event =
 705             (dvdnav_spu_stream_change_event_t*)packet;
 706         int i;
 707
 708         msg_Dbg( p_demux, "DVDNAV_SPU_STREAM_CHANGE" );
 709         msg_Dbg( p_demux, "     - physical_wide=%d",
 710                  event->physical_wide );
 711         msg_Dbg( p_demux, "     - physical_letterbox=%d",
 712                  event->physical_letterbox);
 713         msg_Dbg( p_demux, "     - physical_pan_scan=%d",
 714                  event->physical_pan_scan );
 715
 716         ESSubtitleUpdate( p_demux );
 717         p_sys->b_spu_change = true;
 718
 719         /* HACK to get the SPU tracks registered in the right order */
 720         for( i = 0; i < 0x1f; i++ )
 721         {
 722             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 723                 ESNew( p_demux, 0xbd20 + i );
 724         }
 725         /* END HACK */
 726         break;
 727     }
 728
 729     case DVDNAV_AUDIO_STREAM_CHANGE:
 730     {
 731         dvdnav_audio_stream_change_event_t *event =
 732             (dvdnav_audio_stream_change_event_t*)packet;
 733         msg_Dbg( p_demux, "DVDNAV_AUDIO_STREAM_CHANGE" );
 734         msg_Dbg( p_demux, "     - physical=%d", event->physical );
 735         /* TODO */
 736         break;
 737     }
 738
 739     case DVDNAV_VTS_CHANGE:
 740     {
 741         int32_t i_title = 0;
 742         int32_t i_part  = 0;
 743         int i;
 744
 745         dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t*)packet;
 746         msg_Dbg( p_demux, "DVDNAV_VTS_CHANGE" );
 747         msg_Dbg( p_demux, "     - vtsN=%d", event->new_vtsN );
 748         msg_Dbg( p_demux, "     - domain=%d", event->new_domain );
 749
 750         /* reset PCR */
 751         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 752
 753         for( i = 0; i < PS_TK_COUNT; i++ )
 754         {
 755             ps_track_t *tk = &p_sys->tk[i];
 756             if( tk->b_seen )
 757             {
 758                 es_format_Clean( &tk->fmt );
 759                 if( tk->es ) es_out_Del( p_demux->out, tk->es );
 760             }
 761             tk->b_seen = false;
 762         }
 763
 764 #if defined(HAVE_DVDNAV_GET_VIDEO_RESOLUTION)
 765         uint32_t i_width, i_height;
 766         if( dvdnav_get_video_resolution( p_sys->dvdnav,
 767                                          &i_width, &i_height ) )
 768             i_width = i_height = 0;
 769         switch( dvdnav_get_video_aspect( p_sys->dvdnav ) )
 770         {
 771         case 0:
 772             p_sys->sar.i_num = 4 * i_height;
 773             p_sys->sar.i_den = 3 * i_width;
 774             break;
 775         case 3:
 776             p_sys->sar.i_num = 16 * i_height;
 777             p_sys->sar.i_den =  9 * i_width;
 778             break;
 779         default:
 780             p_sys->sar.i_num = 0;
 781             p_sys->sar.i_den = 0;
 782             break;
 783         }
 784 #endif
 785
 786         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 787                                        &i_part ) == DVDNAV_STATUS_OK )
 788         {
 789             if( i_title >= 0 && i_title < p_sys->i_title &&
 790                 p_demux->info.i_title != i_title )
 791             {
 792                 p_demux->info.i_update |= INPUT_UPDATE_TITLE;
 793                 p_demux->info.i_title = i_title;
 794             }
 795         }
 796         break;
 797     }
 798
 799     case DVDNAV_CELL_CHANGE:
 800     {
 801         int32_t i_title = 0;
 802         int32_t i_part  = 0;
 803
 804         dvdnav_cell_change_event_t *event =
 805             (dvdnav_cell_change_event_t*)packet;
 806         msg_Dbg( p_demux, "DVDNAV_CELL_CHANGE" );
 807         msg_Dbg( p_demux, "     - cellN=%d", event->cellN );
 808         msg_Dbg( p_demux, "     - pgN=%d", event->pgN );
 809         msg_Dbg( p_demux, "     - cell_length=%"PRId64, event->cell_length );
 810         msg_Dbg( p_demux, "     - pg_length=%"PRId64, event->pg_length );
 811         msg_Dbg( p_demux, "     - pgc_length=%"PRId64, event->pgc_length );
 812         msg_Dbg( p_demux, "     - cell_start=%"PRId64, event->cell_start );
 813         msg_Dbg( p_demux, "     - pg_start=%"PRId64, event->pg_start );
 814
 815         /* Store the lenght in time of the current PGC */
 816         p_sys->i_pgc_length = event->pgc_length / 90 * 1000;
 817         p_sys->i_vobu_index = 0;
 818         p_sys->i_vobu_flush = 0;
 819
 820         /* FIXME is it correct or there is better way to know chapter change */
 821         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 822                                        &i_part ) == DVDNAV_STATUS_OK )
 823         {
 824             if( i_title >= 0 && i_title < p_sys->i_title &&
 825                 i_part >= 1 && i_part <= p_sys->title[i_title]->i_seekpoint &&
 826                 p_demux->info.i_seekpoint != i_part - 1 )
 827             {
 828                 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 829                 p_demux->info.i_seekpoint = i_part - 1;
 830             }
 831         }
 832         break;
 833     }
 834
 835     case DVDNAV_NAV_PACKET:
 836     {
 837         p_sys->i_vobu_index = 1;
 838         p_sys->i_vobu_flush = 0;
 839
 840         /* Look if we have need to force a flush (and when) */
 841         const pci_gi_t *p_pci_gi = &dvdnav_get_current_nav_pci( p_sys->dvdnav )->pci_gi;
 842         if( p_pci_gi->vobu_se_e_ptm != 0 && p_pci_gi->vobu_se_e_ptm < p_pci_gi->vobu_e_ptm )
 843         {
 844             const dsi_gi_t *p_dsi_gi = &dvdnav_get_current_nav_dsi( p_sys->dvdnav )->dsi_gi;
 845             if( p_dsi_gi->vobu_3rdref_ea != 0 )
 846                 p_sys->i_vobu_flush = p_dsi_gi->vobu_3rdref_ea;
 847             else if( p_dsi_gi->vobu_2ndref_ea != 0 )
 848                 p_sys->i_vobu_flush = p_dsi_gi->vobu_2ndref_ea;
 849             else if( p_dsi_gi->vobu_1stref_ea != 0 )
 850                 p_sys->i_vobu_flush = p_dsi_gi->vobu_1stref_ea;
 851         }
 852
 853 #ifdef DVDNAV_DEBUG
 854         msg_Dbg( p_demux, "DVDNAV_NAV_PACKET" );
 855 #endif
 856         /* A lot of thing to do here :
 857          *  - handle packet
 858          *  - fetch pts (for time display)
 859          *  - ...
 860          */
 861         DemuxBlock( p_demux, packet, i_len );
 862         if( p_sys->b_spu_change )
 863         {
 864             ButtonUpdate( p_demux, false );
 865             p_sys->b_spu_change = false;
 866         }
 867         break;
 868     }
 869
 870     case DVDNAV_STOP:   /* EOF */
 871         msg_Dbg( p_demux, "DVDNAV_STOP" );
 872
 873 #if DVD_READ_CACHE
 874         dvdnav_free_cache_block( p_sys->dvdnav, packet );
 875 #endif
 876         return 0;
 877
 878     case DVDNAV_HIGHLIGHT:
 879     {
 880         dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t*)packet;
 881         msg_Dbg( p_demux, "DVDNAV_HIGHLIGHT" );
 882         msg_Dbg( p_demux, "     - display=%d", event->display );
 883         msg_Dbg( p_demux, "     - buttonN=%d", event->buttonN );
 884         ButtonUpdate( p_demux, false );
 885         break;
 886     }
 887
 888     case DVDNAV_HOP_CHANNEL:
 889         msg_Dbg( p_demux, "DVDNAV_HOP_CHANNEL" );
 890         p_sys->i_vobu_index = 0;
 891         p_sys->i_vobu_flush = 0;
 892         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 893         break;
 894
 895     case DVDNAV_WAIT:
 896         msg_Dbg( p_demux, "DVDNAV_WAIT" );
 897
 898         bool b_empty;
 899         es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
 900         if( !b_empty )
 901         {
 902             msleep( 40*1000 );
 903         }
 904         else
 905         {
 906             dvdnav_wait_skip( p_sys->dvdnav );
 907             p_sys->b_reset_pcr = true;
 908         }
 909         break;
 910
 911     default:
 912         msg_Warn( p_demux, "Unknown event (0x%x)", i_event );
 913         break;
 914     }
 915
 916 #if DVD_READ_CACHE
 917     dvdnav_free_cache_block( p_sys->dvdnav, packet );
 918 #endif
 919
 920     return 1;
 921 }
 922
 923 /* Get a 2 char code
 924  * FIXME: partiallyy duplicated from src/input/es_out.c
 925  */
 926 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var )
 927 {
 928     const iso639_lang_t *pl;
 929     char *psz_lang;
 930     char *p;
 931
 932     psz_lang = var_CreateGetString( p_demux, psz_var );
 933     if( !psz_lang )
 934         return strdup(LANGUAGE_DEFAULT);
 935
 936     /* XXX: we will use only the first value
 937      * (and ignore other ones in case of a list) */
 938     if( ( p = strchr( psz_lang, ',' ) ) )
 939         *p = '\0';
 940
 941     for( pl = p_languages; pl->psz_eng_name != NULL; pl++ )
 942     {
 943         if( *psz_lang == '\0' )
 944             continue;
 945         if( !strcasecmp( pl->psz_eng_name, psz_lang ) ||
 946             !strcasecmp( pl->psz_native_name, psz_lang ) ||
 947             !strcasecmp( pl->psz_iso639_1, psz_lang ) ||
 948             !strcasecmp( pl->psz_iso639_2T, psz_lang ) ||
 949             !strcasecmp( pl->psz_iso639_2B, psz_lang ) )
 950             break;
 951     }
 952
 953     free( psz_lang );
 954
 955     if( pl->psz_eng_name != NULL )
 956         return strdup( pl->psz_iso639_1 );
 957
 958     return strdup(LANGUAGE_DEFAULT);
 959 }
 960
 961 static void DemuxTitles( demux_t *p_demux )
 962 {
 963     demux_sys_t *p_sys = p_demux->p_sys;
 964     input_title_t *t;
 965     seekpoint_t *s;
 966     int32_t i_titles;
 967     int i;
 968
 969     /* Menu */
 970     t = vlc_input_title_New();
 971     t->b_menu = true;
 972     t->psz_name = strdup( "DVD Menu" );
 973
 974     s = vlc_seekpoint_New();
 975     s->psz_name = strdup( "Resume" );
 976     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 977
 978     s = vlc_seekpoint_New();
 979     s->psz_name = strdup( "Root" );
 980     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 981
 982     s = vlc_seekpoint_New();
 983     s->psz_name = strdup( "Title" );
 984     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 985
 986     s = vlc_seekpoint_New();
 987     s->psz_name = strdup( "Chapter" );
 988     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 989
 990     s = vlc_seekpoint_New();
 991     s->psz_name = strdup( "Subtitle" );
 992     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 993
 994     s = vlc_seekpoint_New();
 995     s->psz_name = strdup( "Audio" );
 996     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 997
 998     s = vlc_seekpoint_New();
 999     s->psz_name = strdup( "Angle" );
1000     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1001
1002     TAB_APPEND( p_sys->i_title, p_sys->title, t );
1003
1004     /* Find out number of titles/chapters */
1005     dvdnav_get_number_of_titles( p_sys->dvdnav, &i_titles );
1006     for( i = 1; i <= i_titles; i++ )
1007     {
1008         int32_t i_chapters;
1009         uint64_t i_title_length;
1010
1011 #if defined(HAVE_DVDNAV_DESCRIBE_TITLE_CHAPTERS)
1012         uint64_t *p_chapters_time;
1013         i_chapters = dvdnav_describe_title_chapters( p_sys->dvdnav, i,
1014                                                      &p_chapters_time,
1015                                                      &i_title_length );
1016         if( i_chapters > 0 )
1017             free( p_chapters_time );
1018         else
1019             i_title_length = 0;
1020 #else
1021         if( dvdnav_get_number_of_parts( p_sys->dvdnav, i, &i_chapters ) != DVDNAV_STATUS_OK )
1022             i_chapters = 0;
1023         i_title_length = 0;
1024 #endif
1025         t = vlc_input_title_New();
1026         t->i_length = i_title_length * 1000 / 90;
1027         for( int j = 0; j < __MAX( i_chapters, 1 ); j++ )
1028         {
1029             s = vlc_seekpoint_New();
1030             TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1031         }
1032
1033         TAB_APPEND( p_sys->i_title, p_sys->title, t );
1034     }
1035 }
1036
1037 /*****************************************************************************
1038  * Update functions:
1039  *****************************************************************************/
1040 static void ButtonUpdate( demux_t *p_demux, bool b_mode )
1041 {
1042     demux_sys_t *p_sys = p_demux->p_sys;
1043     vlc_value_t val;
1044     int32_t i_title, i_part;
1045
1046     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1047
1048     if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
1049     {
1050         vlc_mutex_t *p_mutex = val.p_address;
1051         dvdnav_highlight_area_t hl;
1052         int32_t i_button;
1053         bool    b_button_ok;
1054
1055         if( dvdnav_get_current_highlight( p_sys->dvdnav, &i_button )
1056             != DVDNAV_STATUS_OK )
1057         {
1058             msg_Err( p_demux, "dvdnav_get_current_highlight failed" );
1059             return;
1060         }
1061
1062         b_button_ok = false;
1063         if( i_button > 0 && i_title ==  0 )
1064         {
1065             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1066
1067             b_button_ok = DVDNAV_STATUS_OK ==
1068                       dvdnav_get_highlight_area( pci, i_button, b_mode, &hl );
1069         }
1070
1071         if( b_button_ok )
1072         {
1073             int i;
1074             for( i = 0; i < 4; i++ )
1075             {
1076                 uint32_t i_yuv = p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
1077                 uint8_t i_alpha = ( (hl.palette>>(i*4))&0x0f ) * 0xff / 0xf;
1078
1079                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
1080                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
1081                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
1082                 p_sys->palette[i][3] = i_alpha;
1083             }
1084
1085             vlc_mutex_lock( p_mutex );
1086             var_SetInteger( p_sys->p_input, "x-start", hl.sx );
1087             var_SetInteger( p_sys->p_input, "x-end",  hl.ex );
1088             var_SetInteger( p_sys->p_input, "y-start", hl.sy );
1089             var_SetInteger( p_sys->p_input, "y-end", hl.ey );
1090
1091             var_SetAddress( p_sys->p_input, "menu-palette", p_sys->palette );
1092
1093             var_SetBool( p_sys->p_input, "highlight", true );
1094             vlc_mutex_unlock( p_mutex );
1095
1096             msg_Dbg( p_demux, "buttonUpdate %d", i_button );
1097         }
1098         else
1099         {
1100             msg_Dbg( p_demux, "buttonUpdate not done b=%d t=%d",
1101                      i_button, i_title );
1102
1103             /* Show all */
1104             vlc_mutex_lock( p_mutex );
1105             var_SetBool( p_sys->p_input, "highlight", false );
1106             vlc_mutex_unlock( p_mutex );
1107         }
1108     }
1109 }
1110
1111 static void ESSubtitleUpdate( demux_t *p_demux )
1112 {
1113     demux_sys_t *p_sys = p_demux->p_sys;
1114     int         i_spu = dvdnav_get_active_spu_stream( p_sys->dvdnav );
1115     int32_t i_title, i_part;
1116
1117     ButtonUpdate( p_demux, false );
1118
1119     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1120     if( i_title > 0 ) return;
1121
1122     if( i_spu >= 0 && i_spu <= 0x1f )
1123     {
1124         ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1125
1126         ESNew( p_demux, 0xbd20 + i_spu );
1127
1128         /* be sure to unselect it (reset) */
1129         es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1130                         (bool)false );
1131
1132         /* now select it */
1133         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1134     }
1135     else
1136     {
1137         for( i_spu = 0; i_spu <= 0x1F; i_spu++ )
1138         {
1139             ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1140             if( tk->b_seen )
1141             {
1142                 es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1143                                 (bool)false );
1144             }
1145         }
1146     }
1147 }
1148
1149 /*****************************************************************************
1150  * DemuxBlock: demux a given block
1151  *****************************************************************************/
1152 static int DemuxBlock( demux_t *p_demux, const uint8_t *p, int len )
1153 {
1154     demux_sys_t *p_sys = p_demux->p_sys;
1155
1156     while( len > 0 )
1157     {
1158         int i_size = ps_pkt_size( p, len );
1159         if( i_size <= 0 || i_size > len )
1160         {
1161             break;
1162         }
1163
1164         /* Create a block */
1165         block_t *p_pkt = block_New( p_demux, i_size );
1166         memcpy( p_pkt->p_buffer, p, i_size);
1167
1168         /* Parse it and send it */
1169         switch( 0x100 | p[3] )
1170         {
1171         case 0x1b9:
1172         case 0x1bb:
1173         case 0x1bc:
1174 #ifdef DVDNAV_DEBUG
1175             if( p[3] == 0xbc )
1176             {
1177                 msg_Warn( p_demux, "received a PSM packet" );
1178             }
1179             else if( p[3] == 0xbb )
1180             {
1181                 msg_Warn( p_demux, "received a SYSTEM packet" );
1182             }
1183 #endif
1184             block_Release( p_pkt );
1185             break;
1186
1187         case 0x1ba:
1188         {
1189             int64_t i_scr;
1190             int i_mux_rate;
1191             if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
1192             {
1193                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr + 1 );
1194                 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
1195             }
1196             block_Release( p_pkt );
1197             break;
1198         }
1199         default:
1200         {
1201             int i_id = ps_pkt_id( p_pkt );
1202             if( i_id >= 0xc0 )
1203             {
1204                 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1205
1206                 if( !tk->b_seen )
1207                 {
1208                     ESNew( p_demux, i_id );
1209                 }
1210                 if( tk->b_seen && tk->es &&
1211                     !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
1212                 {
1213                     es_out_Send( p_demux->out, tk->es, p_pkt );
1214                 }
1215                 else
1216                 {
1217                     block_Release( p_pkt );
1218                 }
1219             }
1220             else
1221             {
1222                 block_Release( p_pkt );
1223             }
1224             break;
1225         }
1226         }
1227
1228         p += i_size;
1229         len -= i_size;
1230     }
1231
1232     return VLC_SUCCESS;
1233 }
1234
1235 /*****************************************************************************
1236  * Force still images to be displayed by sending EOS and stopping buffering.
1237  *****************************************************************************/
1238 static void DemuxForceStill( demux_t *p_demux )
1239 {
1240     static const uint8_t buffer[] = {
1241         0x00, 0x00, 0x01, 0xe0, 0x00, 0x07,
1242         0x80, 0x00, 0x00,
1243         0x00, 0x00, 0x01, 0xB7,
1244     };
1245     DemuxBlock( p_demux, buffer, sizeof(buffer) );
1246
1247     bool b_empty;
1248     es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
1249 }
1250
1251 /*****************************************************************************
1252  * ESNew: register a new elementary stream
1253  *****************************************************************************/
1254 static void ESNew( demux_t *p_demux, int i_id )
1255 {
1256     demux_sys_t *p_sys = p_demux->p_sys;
1257     ps_track_t  *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1258     bool  b_select = false;
1259
1260     if( tk->b_seen ) return;
1261
1262     if( ps_track_fill( tk, 0, i_id ) )
1263     {
1264         msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
1265         return;
1266     }
1267
1268     /* Add a new ES */
1269     if( tk->fmt.i_cat == VIDEO_ES )
1270     {
1271         tk->fmt.video.i_sar_num = p_sys->sar.i_num;
1272         tk->fmt.video.i_sar_den = p_sys->sar.i_den;
1273         b_select = true;
1274     }
1275     else if( tk->fmt.i_cat == AUDIO_ES )
1276     {
1277         int i_audio = -1;
1278         /* find the audio number PLEASE find another way */
1279         if( (i_id&0xbdf8) == 0xbd88 )       /* dts */
1280         {
1281             i_audio = i_id&0x07;
1282         }
1283         else if( (i_id&0xbdf0) == 0xbd80 )  /* a52 */
1284         {
1285             i_audio = i_id&0xf;
1286         }
1287         else if( (i_id&0xbdf0) == 0xbda0 )  /* lpcm */
1288         {
1289             i_audio = i_id&0x1f;
1290         }
1291         else if( ( i_id&0xe0 ) == 0xc0 )    /* mpga */
1292         {
1293             i_audio = i_id&0x1f;
1294         }
1295         if( i_audio >= 0 )
1296         {
1297             int i_lang = dvdnav_audio_stream_to_lang( p_sys->dvdnav, i_audio );
1298             if( i_lang != 0xffff )
1299             {
1300                 tk->fmt.psz_language = malloc( 3 );
1301                 tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1302                 tk->fmt.psz_language[1] = (i_lang     )&0xff;
1303                 tk->fmt.psz_language[2] = 0;
1304             }
1305             if( dvdnav_get_active_audio_stream( p_sys->dvdnav ) == i_audio )
1306             {
1307                 b_select = true;
1308             }
1309         }
1310     }
1311     else if( tk->fmt.i_cat == SPU_ES )
1312     {
1313         int32_t i_title, i_part;
1314         int i_lang = dvdnav_spu_stream_to_lang( p_sys->dvdnav, i_id&0x1f );
1315         if( i_lang != 0xffff )
1316         {
1317             tk->fmt.psz_language = malloc( 3 );
1318             tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1319             tk->fmt.psz_language[1] = (i_lang     )&0xff;
1320             tk->fmt.psz_language[2] = 0;
1321         }
1322
1323         /* Palette */
1324         tk->fmt.subs.spu.palette[0] = 0xBeef;
1325         memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
1326                 16 * sizeof( uint32_t ) );
1327
1328         /* We select only when we are not in the menu */
1329         dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1330         if( i_title > 0 &&
1331             dvdnav_get_active_spu_stream( p_sys->dvdnav ) == (i_id&0x1f) )
1332         {
1333             b_select = true;
1334         }
1335     }
1336
1337     tk->es = es_out_Add( p_demux->out, &tk->fmt );
1338     if( b_select )
1339     {
1340         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1341     }
1342     tk->b_seen = true;
1343
1344     if( tk->fmt.i_cat == VIDEO_ES ) ButtonUpdate( p_demux, false );
1345 }
1346
1347 /*****************************************************************************
1348  * Still image end
1349  *****************************************************************************/
1350 static void StillTimer( void *p_data )
1351 {
1352     demux_sys_t    *p_sys = p_data;
1353
1354     vlc_mutex_lock( &p_sys->still.lock );
1355     if( likely(p_sys->still.b_enabled) )
1356     {
1357         p_sys->still.b_enabled = false;
1358         dvdnav_still_skip( p_sys->dvdnav );
1359     }
1360     vlc_mutex_unlock( &p_sys->still.lock );
1361 }
1362
1363 static int EventMouse( vlc_object_t *p_vout, char const *psz_var,
1364                        vlc_value_t oldval, vlc_value_t val, void *p_data )
1365 {
1366     demux_t *p_demux = p_data;
1367     demux_sys_t *p_sys = p_demux->p_sys;
1368
1369     /* FIXME? PCI usage thread safe? */
1370     pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1371     int x = val.coords.x;
1372     int y = val.coords.y;
1373
1374     if( psz_var[6] == 'm' ) /* mouse-moved */
1375         dvdnav_mouse_select( p_sys->dvdnav, pci, x, y );
1376     else
1377     {
1378         assert( psz_var[6] == 'c' ); /* mouse-clicked */
1379
1380         ButtonUpdate( p_demux, true );
1381         dvdnav_mouse_activate( p_sys->dvdnav, pci, x, y );
1382     }
1383     (void)p_vout;
1384     (void)oldval;
1385     return VLC_SUCCESS;
1386 }
1387
1388 static int EventKey( vlc_object_t *p_this, char const *psz_var,
1389                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
1390 {
1391     demux_t *p_demux = p_data;
1392     demux_sys_t *p_sys = p_demux->p_sys;
1393
1394     /* FIXME: thread-safe ? */
1395     pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1396
1397     switch( newval.i_int )
1398     {
1399     case ACTIONID_NAV_LEFT:
1400         dvdnav_left_button_select( p_sys->dvdnav, pci );
1401         break;
1402     case ACTIONID_NAV_RIGHT:
1403         dvdnav_right_button_select( p_sys->dvdnav, pci );
1404         break;
1405     case ACTIONID_NAV_UP:
1406         dvdnav_upper_button_select( p_sys->dvdnav, pci );
1407         break;
1408     case ACTIONID_NAV_DOWN:
1409         dvdnav_lower_button_select( p_sys->dvdnav, pci );
1410         break;
1411     case ACTIONID_NAV_ACTIVATE:
1412         ButtonUpdate( p_demux, true );
1413         dvdnav_button_activate( p_sys->dvdnav, pci );
1414         break;
1415     }
1416
1417     (void)p_this;    (void)psz_var;    (void)oldval;
1418     return VLC_SUCCESS;
1419 }
1420
1421 static int EventIntf( vlc_object_t *p_input, char const *psz_var,
1422                       vlc_value_t oldval, vlc_value_t val, void *p_data )
1423 {
1424     demux_t *p_demux = p_data;
1425     demux_sys_t *p_sys = p_demux->p_sys;
1426
1427     if (val.i_int == INPUT_EVENT_VOUT)
1428     {
1429         if( p_sys->p_vout != NULL )
1430         {
1431             var_DelCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
1432             var_DelCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
1433             vlc_object_release( p_sys->p_vout );
1434         }
1435
1436         p_sys->p_vout = input_GetVout( (input_thread_t *)p_input );
1437         if( p_sys->p_vout != NULL )
1438         {
1439             var_AddCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
1440             var_AddCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
1441         }
1442     }
1443     (void) psz_var; (void) oldval;
1444     return VLC_SUCCESS;
1445 }
1446
1447 /*****************************************************************************
1448  * ProbeDVD: very weak probing that avoids going too often into a dvdnav_open()
1449  *****************************************************************************/
1450 static int ProbeDVD( const char *psz_name )
1451 {
1452     if( !*psz_name )
1453         /* Triggers libdvdcss autodetection */
1454         return VLC_SUCCESS;
1455
1456     int fd = vlc_open( psz_name, O_RDONLY | O_NONBLOCK );
1457     if( fd == -1 )
1458 #ifdef HAVE_FDOPENDIR
1459         return VLC_EGENERIC;
1460 #else
1461         return (errno == ENOENT) ? VLC_EGENERIC : VLC_SUCCESS;
1462 #endif
1463
1464     int ret = VLC_EGENERIC;
1465
1466 #ifdef HAVE_SYS_STAT_H
1467     struct stat stat_info;
1468
1469     if( fstat( fd, &stat_info ) == -1 )
1470          goto bailout;
1471
1472     if( !S_ISREG( stat_info.st_mode ) )
1473     {
1474         if( S_ISDIR( stat_info.st_mode ) || S_ISBLK( stat_info.st_mode ) )
1475             ret = VLC_SUCCESS; /* Let dvdnav_open() do the probing */
1476         goto bailout;
1477     }
1478 #endif
1479     /* Try to find the anchor (2 bytes at LBA 256) */
1480     uint16_t anchor;
1481
1482     if( lseek( fd, 256 * DVD_VIDEO_LB_LEN, SEEK_SET ) != -1
1483      && read( fd, &anchor, 2 ) == 2
1484      && GetWLE( &anchor ) == 2 )
1485         ret = VLC_SUCCESS; /* Found a potential anchor */
1486
1487 bailout:
1488     close( fd );
1489     return ret;
1490 }