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 #ifdef HAVE_UNISTD_H
  34 #   include <unistd.h>
  35 #endif
  36 #include <sys/types.h>
  37 #include <sys/stat.h>
  38 #include <fcntl.h>
  39 #include <errno.h>
  40
  41 #include <vlc_common.h>
  42 #include <vlc_plugin.h>
  43 #include <vlc_input.h>
  44 #include <vlc_access.h>
  45 #include <vlc_demux.h>
  46 #include <vlc_charset.h>
  47 #include <vlc_fs.h>
  48 #include <vlc_url.h>
  49 #include <vlc_vout.h>
  50 #include <vlc_dialog.h>
  51 #include <vlc_keys.h>
  52 #include <vlc_iso_lang.h>
  53
  54 /* FIXME we should find a better way than including that */
  55 #include "../../src/text/iso-639_def.h"
  56
  57
  58 #include <dvdnav/dvdnav.h>
  59
  60 #include "../demux/ps.h"
  61
  62 /*****************************************************************************
  63  * Module descriptor
  64  *****************************************************************************/
  65 #define ANGLE_TEXT N_("DVD angle")
  66 #define ANGLE_LONGTEXT N_( \
  67      "Default DVD angle." )
  68
  69 #define MENU_TEXT N_("Start directly in menu")
  70 #define MENU_LONGTEXT N_( \
  71     "Start the DVD directly in the main menu. This "\
  72     "will try to skip all the useless warning introductions." )
  73
  74 #define LANGUAGE_DEFAULT ("en")
  75
  76 static int  Open ( vlc_object_t * );
  77 static void Close( vlc_object_t * );
  78
  79 vlc_module_begin ()
  80     set_shortname( N_("DVD with menus") )
  81     set_description( N_("DVDnav Input") )
  82     set_category( CAT_INPUT )
  83     set_subcategory( SUBCAT_INPUT_ACCESS )
  84     add_integer( "dvdnav-angle", 1, ANGLE_TEXT,
  85         ANGLE_LONGTEXT, false )
  86     add_bool( "dvdnav-menu", true,
  87         MENU_TEXT, MENU_LONGTEXT, false )
  88     set_capability( "access_demux", 5 )
  89     add_shortcut( "dvd", "dvdnav", "file" )
  90     set_callbacks( Open, Close )
  91 vlc_module_end ()
  92
  93 /* Shall we use libdvdnav's read ahead cache? */
  94 #ifdef __OS2__
  95 #define DVD_READ_CACHE 0
  96 #else
  97 #define DVD_READ_CACHE 1
  98 #endif
  99
 100 /*****************************************************************************
 101  * Local prototypes
 102  *****************************************************************************/
 103 struct demux_sys_t
 104 {
 105     dvdnav_t    *dvdnav;
 106
 107     /* */
 108     bool        b_reset_pcr;
 109
 110     struct
 111     {
 112         bool         b_created;
 113         bool         b_enabled;
 114         vlc_mutex_t  lock;
 115         vlc_timer_t  timer;
 116     } still;
 117
 118     /* track */
 119     ps_track_t  tk[PS_TK_COUNT];
 120     int         i_mux_rate;
 121
 122     /* for spu variables */
 123     input_thread_t *p_input;
 124
 125     /* event */
 126     vout_thread_t *p_vout;
 127
 128     /* palette for menus */
 129     uint32_t clut[16];
 130     uint8_t  palette[4][4];
 131     bool b_spu_change;
 132
 133     /* Aspect ration */
 134     struct {
 135         unsigned i_num;
 136         unsigned i_den;
 137     } sar;
 138
 139     /* */
 140     int           i_title;
 141     input_title_t **title;
 142
 143     /* lenght of program group chain */
 144     mtime_t     i_pgc_length;
 145     int         i_vobu_index;
 146     int         i_vobu_flush;
 147 };
 148
 149 static int Control( demux_t *, int, va_list );
 150 static int Demux( demux_t * );
 151 static int DemuxBlock( demux_t *, const uint8_t *, int );
 152 static void DemuxForceStill( demux_t * );
 153
 154 static void DemuxTitles( demux_t * );
 155 static void ESSubtitleUpdate( demux_t * );
 156 static void ButtonUpdate( demux_t *, bool );
 157
 158 static void ESNew( demux_t *, int );
 159 static int ProbeDVD( const char * );
 160
 161 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var );
 162
 163 static int ControlInternal( demux_t *, int, ... );
 164
 165 static void StillTimer( void * );
 166
 167 static int EventKey( vlc_object_t *, char const *,
 168                      vlc_value_t, vlc_value_t, void * );
 169 static int EventMouse( vlc_object_t *, char const *,
 170                        vlc_value_t, vlc_value_t, void * );
 171 static int EventIntf( vlc_object_t *, char const *,
 172                       vlc_value_t, vlc_value_t, void * );
 173
 174 /*****************************************************************************
 175  * DemuxOpen:
 176  *****************************************************************************/
 177 static int Open( vlc_object_t *p_this )
 178 {
 179     demux_t     *p_demux = (demux_t*)p_this;
 180     demux_sys_t *p_sys;
 181     dvdnav_t    *p_dvdnav;
 182     int         i_angle;
 183     char        *psz_file;
 184     char        *psz_code;
 185     bool forced = false;
 186
 187     if( p_demux->psz_access != NULL
 188      && !strncmp(p_demux->psz_access, "dvd", 3) )
 189         forced = true;
 190
 191     if( !p_demux->psz_file || !*p_demux->psz_file )
 192     {
 193         /* Only when selected */
 194         if( !forced )
 195             return VLC_EGENERIC;
 196
 197         psz_file = var_InheritString( p_this, "dvd" );
 198     }
 199     else
 200         psz_file = strdup( p_demux->psz_file );
 201
 202 #if defined( WIN32 ) || defined( __OS2__ )
 203     if( psz_file != NULL )
 204     {
 205         /* Remove trailing backslash, otherwise dvdnav_open will fail */
 206         size_t flen = strlen( psz_file );
 207         if( flen > 0 && psz_file[flen - 1] == '\\' )
 208             psz_file[flen - 1] = '\0';
 209     }
 210     else
 211         psz_file = strdup("");
 212 #endif
 213     if( unlikely(psz_file == NULL) )
 214         return VLC_EGENERIC;
 215
 216     /* Try some simple probing to avoid going through dvdnav_open too often */
 217     if( !forced && ProbeDVD( psz_file ) != VLC_SUCCESS )
 218     {
 219         free( psz_file );
 220         return VLC_EGENERIC;
 221     }
 222
 223     /* Open dvdnav */
 224     const char *psz_path = ToLocale( psz_file );
 225     if( dvdnav_open( &p_dvdnav, psz_path ) != DVDNAV_STATUS_OK )
 226         p_dvdnav = NULL;
 227     LocaleFree( psz_path );
 228     if( p_dvdnav == NULL )
 229     {
 230         msg_Warn( p_demux, "cannot open DVD (%s)", psz_file);
 231         free( psz_file );
 232         return VLC_EGENERIC;
 233     }
 234     free( psz_file );
 235
 236     /* Fill p_demux field */
 237     DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
 238     p_sys->dvdnav = p_dvdnav;
 239     p_sys->b_reset_pcr = false;
 240
 241     ps_track_init( p_sys->tk );
 242     p_sys->sar.i_num = 0;
 243     p_sys->sar.i_den = 0;
 244     p_sys->i_mux_rate = 0;
 245     p_sys->i_pgc_length = 0;
 246     p_sys->b_spu_change = false;
 247     p_sys->i_vobu_index = 0;
 248     p_sys->i_vobu_flush = 0;
 249
 250     if( 1 )
 251     {
 252         // Hack for libdvdnav CVS.
 253         // Without it dvdnav_get_number_of_titles() fails.
 254         // Remove when fixed in libdvdnav CVS.
 255         uint8_t buffer[DVD_VIDEO_LB_LEN];
 256         int i_event, i_len;
 257
 258         if( dvdnav_get_next_block( p_sys->dvdnav, buffer, &i_event, &i_len )
 259               == DVDNAV_STATUS_ERR )
 260         {
 261             msg_Warn( p_demux, "dvdnav_get_next_block failed" );
 262         }
 263
 264         dvdnav_sector_search( p_sys->dvdnav, 0, SEEK_SET );
 265     }
 266
 267     /* Configure dvdnav */
 268     if( dvdnav_set_readahead_flag( p_sys->dvdnav, DVD_READ_CACHE ) !=
 269           DVDNAV_STATUS_OK )
 270     {
 271         msg_Warn( p_demux, "cannot set read-a-head flag" );
 272     }
 273
 274     if( dvdnav_set_PGC_positioning_flag( p_sys->dvdnav, 1 ) !=
 275           DVDNAV_STATUS_OK )
 276     {
 277         msg_Warn( p_demux, "cannot set PGC positioning flag" );
 278     }
 279
 280     /* Set menu language
 281      * XXX A menu-language may be better than sub-language */
 282     psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
 283     if( dvdnav_menu_language_select( p_sys->dvdnav, psz_code ) !=
 284         DVDNAV_STATUS_OK )
 285     {
 286         msg_Warn( p_demux, "can't set menu language to '%s' (%s)",
 287                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 288         /* We try to fall back to 'en' */
 289         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 290             dvdnav_menu_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 291     }
 292     free( psz_code );
 293
 294     /* Set audio language */
 295     psz_code = DemuxGetLanguageCode( p_demux, "audio-language" );
 296     if( dvdnav_audio_language_select( p_sys->dvdnav, psz_code ) !=
 297         DVDNAV_STATUS_OK )
 298     {
 299         msg_Warn( p_demux, "can't set audio language to '%s' (%s)",
 300                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 301         /* We try to fall back to 'en' */
 302         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 303             dvdnav_audio_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 304     }
 305     free( psz_code );
 306
 307     /* Set spu language */
 308     psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
 309     if( dvdnav_spu_language_select( p_sys->dvdnav, psz_code ) !=
 310         DVDNAV_STATUS_OK )
 311     {
 312         msg_Warn( p_demux, "can't set spu language to '%s' (%s)",
 313                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 314         /* We try to fall back to 'en' */
 315         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 316             dvdnav_spu_language_select(p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 317     }
 318     free( psz_code );
 319
 320     DemuxTitles( p_demux );
 321
 322     if( var_CreateGetBool( p_demux, "dvdnav-menu" ) )
 323     {
 324         msg_Dbg( p_demux, "trying to go to dvd menu" );
 325
 326         if( dvdnav_title_play( p_sys->dvdnav, 1 ) != DVDNAV_STATUS_OK )
 327         {
 328             msg_Err( p_demux, "cannot set title (can't decrypt DVD?)" );
 329             dialog_Fatal( p_demux, _("Playback failure"), "%s",
 330                             _("VLC cannot set the DVD's title. It possibly "
 331                               "cannot decrypt the entire disc.") );
 332             dvdnav_close( p_sys->dvdnav );
 333             free( p_sys );
 334             return VLC_EGENERIC;
 335         }
 336
 337         if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title ) !=
 338             DVDNAV_STATUS_OK )
 339         {
 340             /* Try going to menu root */
 341             if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root ) !=
 342                 DVDNAV_STATUS_OK )
 343                     msg_Warn( p_demux, "cannot go to dvd menu" );
 344         }
 345     }
 346
 347     i_angle = var_CreateGetInteger( p_demux, "dvdnav-angle" );
 348     if( i_angle <= 0 ) i_angle = 1;
 349
 350     /* FIXME hack hack hack hack FIXME */
 351     /* Get p_input and create variable */
 352     p_sys->p_input = demux_GetParentInput( p_demux );
 353     var_Create( p_sys->p_input, "x-start", VLC_VAR_INTEGER );
 354     var_Create( p_sys->p_input, "y-start", VLC_VAR_INTEGER );
 355     var_Create( p_sys->p_input, "x-end", VLC_VAR_INTEGER );
 356     var_Create( p_sys->p_input, "y-end", VLC_VAR_INTEGER );
 357     var_Create( p_sys->p_input, "color", VLC_VAR_ADDRESS );
 358     var_Create( p_sys->p_input, "menu-palette", VLC_VAR_ADDRESS );
 359     var_Create( p_sys->p_input, "highlight", VLC_VAR_BOOL );
 360
 361     /* catch all key event */
 362     var_AddCallback( p_demux->p_libvlc, "key-action", EventKey, p_demux );
 363     /* catch vout creation event */
 364     var_AddCallback( p_sys->p_input, "intf-event", EventIntf, p_demux );
 365
 366     p_sys->still.b_enabled = false;
 367     vlc_mutex_init( &p_sys->still.lock );
 368     if( !vlc_timer_create( &p_sys->still.timer, StillTimer, p_sys ) )
 369         p_sys->still.b_created = true;
 370
 371     return VLC_SUCCESS;
 372 }
 373
 374 /*****************************************************************************
 375  * Close:
 376  *****************************************************************************/
 377 static void Close( vlc_object_t *p_this )
 378 {
 379     demux_t     *p_demux = (demux_t*)p_this;
 380     demux_sys_t *p_sys = p_demux->p_sys;
 381
 382     /* Stop vout event handler */
 383     var_DelCallback( p_sys->p_input, "intf-event", EventIntf, p_demux );
 384     if( p_sys->p_vout != NULL )
 385     {   /* Should not happen, but better be safe than sorry. */
 386         msg_Warn( p_sys->p_vout, "removing dangling mouse DVD callbacks" );
 387         var_DelCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
 388         var_DelCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
 389     }
 390
 391     /* Stop key event handler (FIXME: should really be per-vout too) */
 392     var_DelCallback( p_demux->p_libvlc, "key-action", EventKey, p_demux );
 393
 394     /* Stop still image handler */
 395     if( p_sys->still.b_created )
 396         vlc_timer_destroy( p_sys->still.timer );
 397     vlc_mutex_destroy( &p_sys->still.lock );
 398
 399     var_Destroy( p_sys->p_input, "highlight" );
 400     var_Destroy( p_sys->p_input, "x-start" );
 401     var_Destroy( p_sys->p_input, "x-end" );
 402     var_Destroy( p_sys->p_input, "y-start" );
 403     var_Destroy( p_sys->p_input, "y-end" );
 404     var_Destroy( p_sys->p_input, "color" );
 405     var_Destroy( p_sys->p_input, "menu-palette" );
 406
 407     vlc_object_release( p_sys->p_input );
 408
 409     for( int i = 0; i < PS_TK_COUNT; i++ )
 410     {
 411         ps_track_t *tk = &p_sys->tk[i];
 412         if( tk->b_seen )
 413         {
 414             es_format_Clean( &tk->fmt );
 415             if( tk->es ) es_out_Del( p_demux->out, tk->es );
 416         }
 417     }
 418
 419     /* Free the array of titles */
 420     for( int i = 0; i < p_sys->i_title; i++ )
 421         vlc_input_title_Delete( p_sys->title[i] );
 422     TAB_CLEAN( p_sys->i_title, p_sys->title );
 423
 424     dvdnav_close( p_sys->dvdnav );
 425     free( p_sys );
 426 }
 427
 428 /*****************************************************************************
 429  * Control:
 430  *****************************************************************************/
 431 static int Control( demux_t *p_demux, int i_query, va_list args )
 432 {
 433     demux_sys_t *p_sys = p_demux->p_sys;
 434     input_title_t ***ppp_title;
 435     int i;
 436
 437     switch( i_query )
 438     {
 439         case DEMUX_SET_POSITION:
 440         case DEMUX_GET_POSITION:
 441         case DEMUX_GET_TIME:
 442         case DEMUX_GET_LENGTH:
 443         {
 444             uint32_t pos, len;
 445             if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) !=
 446                   DVDNAV_STATUS_OK || len == 0 )
 447             {
 448                 return VLC_EGENERIC;
 449             }
 450
 451             switch( i_query )
 452             {
 453             case DEMUX_GET_POSITION:
 454                 *va_arg( args, double* ) = (double)pos / (double)len;
 455                 return VLC_SUCCESS;
 456
 457             case DEMUX_SET_POSITION:
 458                 pos = va_arg( args, double ) * len;
 459                 if( dvdnav_sector_search( p_sys->dvdnav, pos, SEEK_SET ) ==
 460                       DVDNAV_STATUS_OK )
 461                 {
 462                     return VLC_SUCCESS;
 463                 }
 464                 break;
 465
 466             case DEMUX_GET_TIME:
 467                 if( p_sys->i_pgc_length > 0 )
 468                 {
 469                     *va_arg( args, int64_t * ) = p_sys->i_pgc_length*pos/len;
 470                     return VLC_SUCCESS;
 471                 }
 472                 break;
 473
 474             case DEMUX_GET_LENGTH:
 475                 if( p_sys->i_pgc_length > 0 )
 476                 {
 477                     *va_arg( args, int64_t * ) = (int64_t)p_sys->i_pgc_length;
 478                     return VLC_SUCCESS;
 479                 }
 480                 break;
 481             }
 482             return VLC_EGENERIC;
 483         }
 484
 485         /* Special for access_demux */
 486         case DEMUX_CAN_PAUSE:
 487         case DEMUX_CAN_SEEK:
 488         case DEMUX_CAN_CONTROL_PACE:
 489             /* TODO */
 490             *va_arg( args, bool * ) = true;
 491             return VLC_SUCCESS;
 492
 493         case DEMUX_SET_PAUSE_STATE:
 494             return VLC_SUCCESS;
 495
 496         case DEMUX_GET_TITLE_INFO:
 497             ppp_title = va_arg( args, input_title_t*** );
 498             *va_arg( args, int* ) = p_sys->i_title;
 499             *va_arg( args, int* ) = 0; /* Title offset */
 500             *va_arg( args, int* ) = 1; /* Chapter offset */
 501
 502             /* Duplicate title infos */
 503             *ppp_title = malloc( sizeof( input_title_t ** ) * p_sys->i_title );
 504             for( i = 0; i < p_sys->i_title; i++ )
 505             {
 506                 (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->title[i] );
 507             }
 508             return VLC_SUCCESS;
 509
 510         case DEMUX_SET_TITLE:
 511             i = (int)va_arg( args, int );
 512             if( ( i == 0 && dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root )
 513                   != DVDNAV_STATUS_OK ) ||
 514                 ( i != 0 && dvdnav_title_play( p_sys->dvdnav, i )
 515                   != DVDNAV_STATUS_OK ) )
 516             {
 517                 msg_Warn( p_demux, "cannot set title/chapter" );
 518                 return VLC_EGENERIC;
 519             }
 520             p_demux->info.i_update |=
 521                 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
 522             p_demux->info.i_title = i;
 523             p_demux->info.i_seekpoint = 0;
 524             return VLC_SUCCESS;
 525
 526         case DEMUX_SET_SEEKPOINT:
 527             i = va_arg( args, int );
 528             if( p_demux->info.i_title == 0 )
 529             {
 530                 static const int argtab[] = {
 531                     DVD_MENU_Escape,
 532                     DVD_MENU_Root,
 533                     DVD_MENU_Title,
 534                     DVD_MENU_Part,
 535                     DVD_MENU_Subpicture,
 536                     DVD_MENU_Audio,
 537                     DVD_MENU_Angle
 538                 };
 539                 enum { numargs = sizeof(argtab)/sizeof(int) };
 540                 if( (unsigned)i >= numargs || DVDNAV_STATUS_OK !=
 541                            dvdnav_menu_call(p_sys->dvdnav,argtab[i]) )
 542                     return VLC_EGENERIC;
 543             }
 544             else if( dvdnav_part_play( p_sys->dvdnav, p_demux->info.i_title,
 545                                        i + 1 ) != DVDNAV_STATUS_OK )
 546             {
 547                 msg_Warn( p_demux, "cannot set title/chapter" );
 548                 return VLC_EGENERIC;
 549             }
 550             p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 551             p_demux->info.i_seekpoint = i;
 552             return VLC_SUCCESS;
 553
 554         case DEMUX_GET_PTS_DELAY:
 555             *va_arg( args, int64_t * ) =
 556                 INT64_C(1000) * var_InheritInteger( p_demux, "disc-caching" );
 557             return VLC_SUCCESS;
 558
 559         case DEMUX_GET_META:
 560         {
 561             const char *title_name = NULL;
 562
 563             dvdnav_get_title_string(p_sys->dvdnav, &title_name);
 564             if( (NULL != title_name) && ('\0' != title_name[0]) )
 565             {
 566                 vlc_meta_t *p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
 567                 vlc_meta_Set( p_meta, vlc_meta_Title, title_name );
 568                 return VLC_SUCCESS;
 569             }
 570             return VLC_EGENERIC;
 571         }
 572
 573         /* TODO implement others */
 574         default:
 575             return VLC_EGENERIC;
 576     }
 577 }
 578
 579 static int ControlInternal( demux_t *p_demux, int i_query, ... )
 580 {
 581     va_list args;
 582     int     i_result;
 583
 584     va_start( args, i_query );
 585     i_result = Control( p_demux, i_query, args );
 586     va_end( args );
 587
 588     return i_result;
 589 }
 590 /*****************************************************************************
 591  * Demux:
 592  *****************************************************************************/
 593 static int Demux( demux_t *p_demux )
 594 {
 595     demux_sys_t *p_sys = p_demux->p_sys;
 596
 597     uint8_t buffer[DVD_VIDEO_LB_LEN];
 598     uint8_t *packet = buffer;
 599     int i_event;
 600     int i_len;
 601
 602 #if DVD_READ_CACHE
 603     if( dvdnav_get_next_cache_block( p_sys->dvdnav, &packet, &i_event, &i_len )
 604         == DVDNAV_STATUS_ERR )
 605 #else
 606     if( dvdnav_get_next_block( p_sys->dvdnav, packet, &i_event, &i_len )
 607         == DVDNAV_STATUS_ERR )
 608 #endif
 609     {
 610         msg_Warn( p_demux, "cannot get next block (%s)",
 611                   dvdnav_err_to_string( p_sys->dvdnav ) );
 612         if( p_demux->info.i_title == 0 )
 613         {
 614             msg_Dbg( p_demux, "jumping to first title" );
 615             return ControlInternal( p_demux, DEMUX_SET_TITLE, 1 ) == VLC_SUCCESS ? 1 : -1;
 616         }
 617         return -1;
 618     }
 619
 620     switch( i_event )
 621     {
 622     case DVDNAV_BLOCK_OK:   /* mpeg block */
 623         vlc_mutex_lock( &p_sys->still.lock );
 624         vlc_timer_schedule( p_sys->still.timer, false, 0, 0 );
 625         p_sys->still.b_enabled = false;
 626         vlc_mutex_unlock( &p_sys->still.lock );
 627         if( p_sys->b_reset_pcr )
 628         {
 629             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 630             p_sys->b_reset_pcr = false;
 631         }
 632         DemuxBlock( p_demux, packet, i_len );
 633         if( p_sys->i_vobu_index > 0 )
 634         {
 635             if( p_sys->i_vobu_flush == p_sys->i_vobu_index )
 636                 DemuxForceStill( p_demux );
 637             p_sys->i_vobu_index++;
 638         }
 639         break;
 640
 641     case DVDNAV_NOP:    /* Nothing */
 642         msg_Dbg( p_demux, "DVDNAV_NOP" );
 643         break;
 644
 645     case DVDNAV_STILL_FRAME:
 646     {
 647         dvdnav_still_event_t *event = (dvdnav_still_event_t*)packet;
 648         bool b_still_init = false;
 649
 650         vlc_mutex_lock( &p_sys->still.lock );
 651         if( !p_sys->still.b_enabled )
 652         {
 653             msg_Dbg( p_demux, "DVDNAV_STILL_FRAME" );
 654             msg_Dbg( p_demux, "     - length=0x%x", event->length );
 655             p_sys->still.b_enabled = true;
 656
 657             if( event->length != 0xff && p_sys->still.b_created )
 658             {
 659                 mtime_t delay = event->length * CLOCK_FREQ;
 660                 vlc_timer_schedule( p_sys->still.timer, false, delay, 0 );
 661             }
 662
 663             b_still_init = true;
 664         }
 665         vlc_mutex_unlock( &p_sys->still.lock );
 666
 667         if( b_still_init )
 668         {
 669             DemuxForceStill( p_demux );
 670             p_sys->b_reset_pcr = true;
 671         }
 672         msleep( 40000 );
 673         break;
 674     }
 675
 676     case DVDNAV_SPU_CLUT_CHANGE:
 677     {
 678         int i;
 679
 680         msg_Dbg( p_demux, "DVDNAV_SPU_CLUT_CHANGE" );
 681         /* Update color lookup table (16 *uint32_t in packet) */
 682         memcpy( p_sys->clut, packet, 16 * sizeof( uint32_t ) );
 683
 684         /* HACK to get the SPU tracks registered in the right order */
 685         for( i = 0; i < 0x1f; i++ )
 686         {
 687             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 688                 ESNew( p_demux, 0xbd20 + i );
 689         }
 690         /* END HACK */
 691         break;
 692     }
 693
 694     case DVDNAV_SPU_STREAM_CHANGE:
 695     {
 696         dvdnav_spu_stream_change_event_t *event =
 697             (dvdnav_spu_stream_change_event_t*)packet;
 698         int i;
 699
 700         msg_Dbg( p_demux, "DVDNAV_SPU_STREAM_CHANGE" );
 701         msg_Dbg( p_demux, "     - physical_wide=%d",
 702                  event->physical_wide );
 703         msg_Dbg( p_demux, "     - physical_letterbox=%d",
 704                  event->physical_letterbox);
 705         msg_Dbg( p_demux, "     - physical_pan_scan=%d",
 706                  event->physical_pan_scan );
 707
 708         ESSubtitleUpdate( p_demux );
 709         p_sys->b_spu_change = true;
 710
 711         /* HACK to get the SPU tracks registered in the right order */
 712         for( i = 0; i < 0x1f; i++ )
 713         {
 714             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 715                 ESNew( p_demux, 0xbd20 + i );
 716         }
 717         /* END HACK */
 718         break;
 719     }
 720
 721     case DVDNAV_AUDIO_STREAM_CHANGE:
 722     {
 723         dvdnav_audio_stream_change_event_t *event =
 724             (dvdnav_audio_stream_change_event_t*)packet;
 725         msg_Dbg( p_demux, "DVDNAV_AUDIO_STREAM_CHANGE" );
 726         msg_Dbg( p_demux, "     - physical=%d", event->physical );
 727         /* TODO */
 728         break;
 729     }
 730
 731     case DVDNAV_VTS_CHANGE:
 732     {
 733         int32_t i_title = 0;
 734         int32_t i_part  = 0;
 735         int i;
 736
 737         dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t*)packet;
 738         msg_Dbg( p_demux, "DVDNAV_VTS_CHANGE" );
 739         msg_Dbg( p_demux, "     - vtsN=%d", event->new_vtsN );
 740         msg_Dbg( p_demux, "     - domain=%d", event->new_domain );
 741
 742         /* reset PCR */
 743         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 744
 745         for( i = 0; i < PS_TK_COUNT; i++ )
 746         {
 747             ps_track_t *tk = &p_sys->tk[i];
 748             if( tk->b_seen )
 749             {
 750                 es_format_Clean( &tk->fmt );
 751                 if( tk->es ) es_out_Del( p_demux->out, tk->es );
 752             }
 753             tk->b_seen = false;
 754         }
 755
 756 #if defined(HAVE_DVDNAV_GET_VIDEO_RESOLUTION)
 757         uint32_t i_width, i_height;
 758         if( dvdnav_get_video_resolution( p_sys->dvdnav,
 759                                          &i_width, &i_height ) )
 760             i_width = i_height = 0;
 761         switch( dvdnav_get_video_aspect( p_sys->dvdnav ) )
 762         {
 763         case 0:
 764             p_sys->sar.i_num = 4 * i_height;
 765             p_sys->sar.i_den = 3 * i_width;
 766             break;
 767         case 3:
 768             p_sys->sar.i_num = 16 * i_height;
 769             p_sys->sar.i_den =  9 * i_width;
 770             break;
 771         default:
 772             p_sys->sar.i_num = 0;
 773             p_sys->sar.i_den = 0;
 774             break;
 775         }
 776 #endif
 777
 778         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 779                                        &i_part ) == DVDNAV_STATUS_OK )
 780         {
 781             if( i_title >= 0 && i_title < p_sys->i_title &&
 782                 p_demux->info.i_title != i_title )
 783             {
 784                 p_demux->info.i_update |= INPUT_UPDATE_TITLE;
 785                 p_demux->info.i_title = i_title;
 786             }
 787         }
 788         break;
 789     }
 790
 791     case DVDNAV_CELL_CHANGE:
 792     {
 793         int32_t i_title = 0;
 794         int32_t i_part  = 0;
 795
 796         dvdnav_cell_change_event_t *event =
 797             (dvdnav_cell_change_event_t*)packet;
 798         msg_Dbg( p_demux, "DVDNAV_CELL_CHANGE" );
 799         msg_Dbg( p_demux, "     - cellN=%d", event->cellN );
 800         msg_Dbg( p_demux, "     - pgN=%d", event->pgN );
 801         msg_Dbg( p_demux, "     - cell_length=%"PRId64, event->cell_length );
 802         msg_Dbg( p_demux, "     - pg_length=%"PRId64, event->pg_length );
 803         msg_Dbg( p_demux, "     - pgc_length=%"PRId64, event->pgc_length );
 804         msg_Dbg( p_demux, "     - cell_start=%"PRId64, event->cell_start );
 805         msg_Dbg( p_demux, "     - pg_start=%"PRId64, event->pg_start );
 806
 807         /* Store the lenght in time of the current PGC */
 808         p_sys->i_pgc_length = event->pgc_length / 90 * 1000;
 809         p_sys->i_vobu_index = 0;
 810         p_sys->i_vobu_flush = 0;
 811
 812         /* FIXME is it correct or there is better way to know chapter change */
 813         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 814                                        &i_part ) == DVDNAV_STATUS_OK )
 815         {
 816             if( i_title >= 0 && i_title < p_sys->i_title )
 817             {
 818                 p_demux->info.i_update |= INPUT_UPDATE_TITLE;
 819                 p_demux->info.i_title = i_title;
 820
 821                 if( i_part >= 1 && i_part <= p_sys->title[i_title]->i_seekpoint &&
 822                         p_demux->info.i_seekpoint != i_part - 1 )
 823                 {
 824                     p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 825                     p_demux->info.i_seekpoint = i_part - 1;
 826                 }
 827             }
 828         }
 829         break;
 830     }
 831
 832     case DVDNAV_NAV_PACKET:
 833     {
 834         p_sys->i_vobu_index = 1;
 835         p_sys->i_vobu_flush = 0;
 836
 837         /* Look if we have need to force a flush (and when) */
 838         const pci_gi_t *p_pci_gi = &dvdnav_get_current_nav_pci( p_sys->dvdnav )->pci_gi;
 839         if( p_pci_gi->vobu_se_e_ptm != 0 && p_pci_gi->vobu_se_e_ptm < p_pci_gi->vobu_e_ptm )
 840         {
 841             const dsi_gi_t *p_dsi_gi = &dvdnav_get_current_nav_dsi( p_sys->dvdnav )->dsi_gi;
 842             if( p_dsi_gi->vobu_3rdref_ea != 0 )
 843                 p_sys->i_vobu_flush = p_dsi_gi->vobu_3rdref_ea;
 844             else if( p_dsi_gi->vobu_2ndref_ea != 0 )
 845                 p_sys->i_vobu_flush = p_dsi_gi->vobu_2ndref_ea;
 846             else if( p_dsi_gi->vobu_1stref_ea != 0 )
 847                 p_sys->i_vobu_flush = p_dsi_gi->vobu_1stref_ea;
 848         }
 849
 850 #ifdef DVDNAV_DEBUG
 851         msg_Dbg( p_demux, "DVDNAV_NAV_PACKET" );
 852 #endif
 853         /* A lot of thing to do here :
 854          *  - handle packet
 855          *  - fetch pts (for time display)
 856          *  - ...
 857          */
 858         DemuxBlock( p_demux, packet, i_len );
 859         if( p_sys->b_spu_change )
 860         {
 861             ButtonUpdate( p_demux, false );
 862             p_sys->b_spu_change = false;
 863         }
 864         break;
 865     }
 866
 867     case DVDNAV_STOP:   /* EOF */
 868         msg_Dbg( p_demux, "DVDNAV_STOP" );
 869
 870 #if DVD_READ_CACHE
 871         dvdnav_free_cache_block( p_sys->dvdnav, packet );
 872 #endif
 873         return 0;
 874
 875     case DVDNAV_HIGHLIGHT:
 876     {
 877         dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t*)packet;
 878         msg_Dbg( p_demux, "DVDNAV_HIGHLIGHT" );
 879         msg_Dbg( p_demux, "     - display=%d", event->display );
 880         msg_Dbg( p_demux, "     - buttonN=%d", event->buttonN );
 881         ButtonUpdate( p_demux, false );
 882         break;
 883     }
 884
 885     case DVDNAV_HOP_CHANNEL:
 886         msg_Dbg( p_demux, "DVDNAV_HOP_CHANNEL" );
 887         p_sys->i_vobu_index = 0;
 888         p_sys->i_vobu_flush = 0;
 889         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 890         break;
 891
 892     case DVDNAV_WAIT:
 893         msg_Dbg( p_demux, "DVDNAV_WAIT" );
 894
 895         bool b_empty;
 896         es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
 897         if( !b_empty )
 898         {
 899             msleep( 40*1000 );
 900         }
 901         else
 902         {
 903             dvdnav_wait_skip( p_sys->dvdnav );
 904             p_sys->b_reset_pcr = true;
 905         }
 906         break;
 907
 908     default:
 909         msg_Warn( p_demux, "Unknown event (0x%x)", i_event );
 910         break;
 911     }
 912
 913 #if DVD_READ_CACHE
 914     dvdnav_free_cache_block( p_sys->dvdnav, packet );
 915 #endif
 916
 917     return 1;
 918 }
 919
 920 /* Get a 2 char code
 921  * FIXME: partiallyy duplicated from src/input/es_out.c
 922  */
 923 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var )
 924 {
 925     const iso639_lang_t *pl;
 926     char *psz_lang;
 927     char *p;
 928
 929     psz_lang = var_CreateGetString( p_demux, psz_var );
 930     if( !psz_lang )
 931         return strdup(LANGUAGE_DEFAULT);
 932
 933     /* XXX: we will use only the first value
 934      * (and ignore other ones in case of a list) */
 935     if( ( p = strchr( psz_lang, ',' ) ) )
 936         *p = '\0';
 937
 938     for( pl = p_languages; pl->psz_eng_name != NULL; pl++ )
 939     {
 940         if( *psz_lang == '\0' )
 941             continue;
 942         if( !strcasecmp( pl->psz_eng_name, psz_lang ) ||
 943             !strcasecmp( pl->psz_iso639_1, psz_lang ) ||
 944             !strcasecmp( pl->psz_iso639_2T, psz_lang ) ||
 945             !strcasecmp( pl->psz_iso639_2B, psz_lang ) )
 946             break;
 947     }
 948
 949     free( psz_lang );
 950
 951     if( pl->psz_eng_name != NULL )
 952         return strdup( pl->psz_iso639_1 );
 953
 954     return strdup(LANGUAGE_DEFAULT);
 955 }
 956
 957 static void DemuxTitles( demux_t *p_demux )
 958 {
 959     demux_sys_t *p_sys = p_demux->p_sys;
 960     input_title_t *t;
 961     seekpoint_t *s;
 962     int32_t i_titles;
 963     int i;
 964
 965     /* Menu */
 966     t = vlc_input_title_New();
 967     t->b_menu = true;
 968     t->psz_name = strdup( "DVD Menu" );
 969
 970     s = vlc_seekpoint_New();
 971     s->psz_name = strdup( "Resume" );
 972     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 973
 974     s = vlc_seekpoint_New();
 975     s->psz_name = strdup( "Root" );
 976     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 977
 978     s = vlc_seekpoint_New();
 979     s->psz_name = strdup( "Title" );
 980     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 981
 982     s = vlc_seekpoint_New();
 983     s->psz_name = strdup( "Chapter" );
 984     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 985
 986     s = vlc_seekpoint_New();
 987     s->psz_name = strdup( "Subtitle" );
 988     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 989
 990     s = vlc_seekpoint_New();
 991     s->psz_name = strdup( "Audio" );
 992     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 993
 994     s = vlc_seekpoint_New();
 995     s->psz_name = strdup( "Angle" );
 996     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 997
 998     TAB_APPEND( p_sys->i_title, p_sys->title, t );
 999
1000     /* Find out number of titles/chapters */
1001     dvdnav_get_number_of_titles( p_sys->dvdnav, &i_titles );
1002     for( i = 1; i <= i_titles; i++ )
1003     {
1004         int32_t i_chapters;
1005         uint64_t i_title_length;
1006         uint64_t *p_chapters_time;
1007
1008 #if defined(HAVE_DVDNAV_DESCRIBE_TITLE_CHAPTERS)
1009         i_chapters = dvdnav_describe_title_chapters( p_sys->dvdnav, i,
1010                                                      &p_chapters_time,
1011                                                      &i_title_length );
1012         if( i_chapters < 1 )
1013         {
1014             i_title_length = 0;
1015             p_chapters_time = NULL;
1016         }
1017 #else
1018         if( dvdnav_get_number_of_parts( p_sys->dvdnav, i, &i_chapters ) != DVDNAV_STATUS_OK )
1019             i_chapters = 0;
1020         i_title_length = 0;
1021         p_chapters_time = NULL;
1022 #endif
1023         t = vlc_input_title_New();
1024         t->i_length = i_title_length * 1000 / 90;
1025         for( int j = 0; j < __MAX( i_chapters, 1 ); j++ )
1026         {
1027             s = vlc_seekpoint_New();
1028             if( p_chapters_time )
1029                 s->i_time_offset = p_chapters_time[j] * 1000 / 90;
1030             TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1031         }
1032         free( p_chapters_time );
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     int32_t i_title, i_part;
1044
1045     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1046
1047     dvdnav_highlight_area_t hl;
1048     int32_t i_button;
1049     bool    b_button_ok;
1050
1051     if( dvdnav_get_current_highlight( p_sys->dvdnav, &i_button )
1052         != DVDNAV_STATUS_OK )
1053     {
1054         msg_Err( p_demux, "dvdnav_get_current_highlight failed" );
1055         return;
1056     }
1057
1058     b_button_ok = false;
1059     if( i_button > 0 && i_title ==  0 )
1060     {
1061         pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1062
1063         b_button_ok = DVDNAV_STATUS_OK ==
1064                   dvdnav_get_highlight_area( pci, i_button, b_mode, &hl );
1065     }
1066
1067     if( b_button_ok )
1068     {
1069         for( unsigned i = 0; i < 4; i++ )
1070         {
1071             uint32_t i_yuv = p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
1072             uint8_t i_alpha = ( (hl.palette>>(i*4))&0x0f ) * 0xff / 0xf;
1073
1074             p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
1075             p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
1076             p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
1077             p_sys->palette[i][3] = i_alpha;
1078         }
1079
1080         vlc_global_lock( VLC_HIGHLIGHT_MUTEX );
1081         var_SetInteger( p_sys->p_input, "x-start", hl.sx );
1082         var_SetInteger( p_sys->p_input, "x-end",  hl.ex );
1083         var_SetInteger( p_sys->p_input, "y-start", hl.sy );
1084         var_SetInteger( p_sys->p_input, "y-end", hl.ey );
1085
1086         var_SetAddress( p_sys->p_input, "menu-palette", p_sys->palette );
1087         var_SetBool( p_sys->p_input, "highlight", true );
1088
1089         msg_Dbg( p_demux, "buttonUpdate %d", i_button );
1090     }
1091     else
1092     {
1093         msg_Dbg( p_demux, "buttonUpdate not done b=%d t=%d",
1094                  i_button, i_title );
1095
1096         /* Show all */
1097         vlc_global_lock( VLC_HIGHLIGHT_MUTEX );
1098         var_SetBool( p_sys->p_input, "highlight", false );
1099     }
1100     vlc_global_unlock( VLC_HIGHLIGHT_MUTEX );
1101 }
1102
1103 static void ESSubtitleUpdate( demux_t *p_demux )
1104 {
1105     demux_sys_t *p_sys = p_demux->p_sys;
1106     int         i_spu = dvdnav_get_active_spu_stream( p_sys->dvdnav );
1107     int32_t i_title, i_part;
1108
1109     ButtonUpdate( p_demux, false );
1110
1111     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1112     if( i_title > 0 ) return;
1113
1114     if( i_spu >= 0 && i_spu <= 0x1f )
1115     {
1116         ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1117
1118         ESNew( p_demux, 0xbd20 + i_spu );
1119
1120         /* be sure to unselect it (reset) */
1121         es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1122                         (bool)false );
1123
1124         /* now select it */
1125         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1126     }
1127     else
1128     {
1129         for( i_spu = 0; i_spu <= 0x1F; i_spu++ )
1130         {
1131             ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1132             if( tk->b_seen )
1133             {
1134                 es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1135                                 (bool)false );
1136             }
1137         }
1138     }
1139 }
1140
1141 /*****************************************************************************
1142  * DemuxBlock: demux a given block
1143  *****************************************************************************/
1144 static int DemuxBlock( demux_t *p_demux, const uint8_t *p, int len )
1145 {
1146     demux_sys_t *p_sys = p_demux->p_sys;
1147
1148     while( len > 0 )
1149     {
1150         int i_size = ps_pkt_size( p, len );
1151         if( i_size <= 0 || i_size > len )
1152         {
1153             break;
1154         }
1155
1156         /* Create a block */
1157         block_t *p_pkt = block_New( p_demux, i_size );
1158         memcpy( p_pkt->p_buffer, p, i_size);
1159
1160         /* Parse it and send it */
1161         switch( 0x100 | p[3] )
1162         {
1163         case 0x1b9:
1164         case 0x1bb:
1165         case 0x1bc:
1166 #ifdef DVDNAV_DEBUG
1167             if( p[3] == 0xbc )
1168             {
1169                 msg_Warn( p_demux, "received a PSM packet" );
1170             }
1171             else if( p[3] == 0xbb )
1172             {
1173                 msg_Warn( p_demux, "received a SYSTEM packet" );
1174             }
1175 #endif
1176             block_Release( p_pkt );
1177             break;
1178
1179         case 0x1ba:
1180         {
1181             int64_t i_scr;
1182             int i_mux_rate;
1183             if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
1184             {
1185                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr + 1 );
1186                 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
1187             }
1188             block_Release( p_pkt );
1189             break;
1190         }
1191         default:
1192         {
1193             int i_id = ps_pkt_id( p_pkt );
1194             if( i_id >= 0xc0 )
1195             {
1196                 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1197
1198                 if( !tk->b_seen )
1199                 {
1200                     ESNew( p_demux, i_id );
1201                 }
1202                 if( tk->b_seen && tk->es &&
1203                     !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
1204                 {
1205                     es_out_Send( p_demux->out, tk->es, p_pkt );
1206                 }
1207                 else
1208                 {
1209                     block_Release( p_pkt );
1210                 }
1211             }
1212             else
1213             {
1214                 block_Release( p_pkt );
1215             }
1216             break;
1217         }
1218         }
1219
1220         p += i_size;
1221         len -= i_size;
1222     }
1223
1224     return VLC_SUCCESS;
1225 }
1226
1227 /*****************************************************************************
1228  * Force still images to be displayed by sending EOS and stopping buffering.
1229  *****************************************************************************/
1230 static void DemuxForceStill( demux_t *p_demux )
1231 {
1232     static const uint8_t buffer[] = {
1233         0x00, 0x00, 0x01, 0xe0, 0x00, 0x07,
1234         0x80, 0x00, 0x00,
1235         0x00, 0x00, 0x01, 0xB7,
1236     };
1237     DemuxBlock( p_demux, buffer, sizeof(buffer) );
1238
1239     bool b_empty;
1240     es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
1241 }
1242
1243 /*****************************************************************************
1244  * ESNew: register a new elementary stream
1245  *****************************************************************************/
1246 static void ESNew( demux_t *p_demux, int i_id )
1247 {
1248     demux_sys_t *p_sys = p_demux->p_sys;
1249     ps_track_t  *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1250     bool  b_select = false;
1251
1252     if( tk->b_seen ) return;
1253
1254     if( ps_track_fill( tk, 0, i_id ) )
1255     {
1256         msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
1257         return;
1258     }
1259
1260     /* Add a new ES */
1261     if( tk->fmt.i_cat == VIDEO_ES )
1262     {
1263         tk->fmt.video.i_sar_num = p_sys->sar.i_num;
1264         tk->fmt.video.i_sar_den = p_sys->sar.i_den;
1265         b_select = true;
1266     }
1267     else if( tk->fmt.i_cat == AUDIO_ES )
1268     {
1269         int i_audio = -1;
1270         /* find the audio number PLEASE find another way */
1271         if( (i_id&0xbdf8) == 0xbd88 )       /* dts */
1272         {
1273             i_audio = i_id&0x07;
1274         }
1275         else if( (i_id&0xbdf0) == 0xbd80 )  /* a52 */
1276         {
1277             i_audio = i_id&0xf;
1278         }
1279         else if( (i_id&0xbdf0) == 0xbda0 )  /* lpcm */
1280         {
1281             i_audio = i_id&0x1f;
1282         }
1283         else if( ( i_id&0xe0 ) == 0xc0 )    /* mpga */
1284         {
1285             i_audio = i_id&0x1f;
1286         }
1287         if( i_audio >= 0 )
1288         {
1289             int i_lang = dvdnav_audio_stream_to_lang( p_sys->dvdnav, i_audio );
1290             if( i_lang != 0xffff )
1291             {
1292                 tk->fmt.psz_language = malloc( 3 );
1293                 tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1294                 tk->fmt.psz_language[1] = (i_lang     )&0xff;
1295                 tk->fmt.psz_language[2] = 0;
1296             }
1297             if( dvdnav_get_active_audio_stream( p_sys->dvdnav ) == i_audio )
1298             {
1299                 b_select = true;
1300             }
1301         }
1302     }
1303     else if( tk->fmt.i_cat == SPU_ES )
1304     {
1305         int32_t i_title, i_part;
1306         int i_lang = dvdnav_spu_stream_to_lang( p_sys->dvdnav, i_id&0x1f );
1307         if( i_lang != 0xffff )
1308         {
1309             tk->fmt.psz_language = malloc( 3 );
1310             tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1311             tk->fmt.psz_language[1] = (i_lang     )&0xff;
1312             tk->fmt.psz_language[2] = 0;
1313         }
1314
1315         /* Palette */
1316         tk->fmt.subs.spu.palette[0] = 0xBeef;
1317         memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
1318                 16 * sizeof( uint32_t ) );
1319
1320         /* We select only when we are not in the menu */
1321         dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1322         if( i_title > 0 &&
1323             dvdnav_get_active_spu_stream( p_sys->dvdnav ) == (i_id&0x1f) )
1324         {
1325             b_select = true;
1326         }
1327     }
1328
1329     tk->es = es_out_Add( p_demux->out, &tk->fmt );
1330     if( b_select )
1331     {
1332         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1333     }
1334     tk->b_seen = true;
1335
1336     if( tk->fmt.i_cat == VIDEO_ES ) ButtonUpdate( p_demux, false );
1337 }
1338
1339 /*****************************************************************************
1340  * Still image end
1341  *****************************************************************************/
1342 static void StillTimer( void *p_data )
1343 {
1344     demux_sys_t    *p_sys = p_data;
1345
1346     vlc_mutex_lock( &p_sys->still.lock );
1347     if( likely(p_sys->still.b_enabled) )
1348     {
1349         p_sys->still.b_enabled = false;
1350         dvdnav_still_skip( p_sys->dvdnav );
1351     }
1352     vlc_mutex_unlock( &p_sys->still.lock );
1353 }
1354
1355 static int EventMouse( vlc_object_t *p_vout, char const *psz_var,
1356                        vlc_value_t oldval, vlc_value_t val, void *p_data )
1357 {
1358     demux_t *p_demux = p_data;
1359     demux_sys_t *p_sys = p_demux->p_sys;
1360
1361     /* FIXME? PCI usage thread safe? */
1362     pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1363     int x = val.coords.x;
1364     int y = val.coords.y;
1365
1366     if( psz_var[6] == 'm' ) /* mouse-moved */
1367         dvdnav_mouse_select( p_sys->dvdnav, pci, x, y );
1368     else
1369     {
1370         assert( psz_var[6] == 'c' ); /* mouse-clicked */
1371
1372         ButtonUpdate( p_demux, true );
1373         dvdnav_mouse_activate( p_sys->dvdnav, pci, x, y );
1374     }
1375     (void)p_vout;
1376     (void)oldval;
1377     return VLC_SUCCESS;
1378 }
1379
1380 static int EventKey( vlc_object_t *p_this, char const *psz_var,
1381                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
1382 {
1383     demux_t *p_demux = p_data;
1384     demux_sys_t *p_sys = p_demux->p_sys;
1385
1386     /* FIXME: thread-safe ? */
1387     pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1388
1389     switch( newval.i_int )
1390     {
1391     case ACTIONID_NAV_LEFT:
1392         dvdnav_left_button_select( p_sys->dvdnav, pci );
1393         break;
1394     case ACTIONID_NAV_RIGHT:
1395         dvdnav_right_button_select( p_sys->dvdnav, pci );
1396         break;
1397     case ACTIONID_NAV_UP:
1398         dvdnav_upper_button_select( p_sys->dvdnav, pci );
1399         break;
1400     case ACTIONID_NAV_DOWN:
1401         dvdnav_lower_button_select( p_sys->dvdnav, pci );
1402         break;
1403     case ACTIONID_NAV_ACTIVATE:
1404         ButtonUpdate( p_demux, true );
1405         dvdnav_button_activate( p_sys->dvdnav, pci );
1406         break;
1407     }
1408
1409     (void)p_this;    (void)psz_var;    (void)oldval;
1410     return VLC_SUCCESS;
1411 }
1412
1413 static int EventIntf( vlc_object_t *p_input, char const *psz_var,
1414                       vlc_value_t oldval, vlc_value_t val, void *p_data )
1415 {
1416     demux_t *p_demux = p_data;
1417     demux_sys_t *p_sys = p_demux->p_sys;
1418
1419     if (val.i_int == INPUT_EVENT_VOUT)
1420     {
1421         if( p_sys->p_vout != NULL )
1422         {
1423             var_DelCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
1424             var_DelCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
1425             vlc_object_release( p_sys->p_vout );
1426         }
1427
1428         p_sys->p_vout = input_GetVout( (input_thread_t *)p_input );
1429         if( p_sys->p_vout != NULL )
1430         {
1431             var_AddCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
1432             var_AddCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
1433         }
1434     }
1435     (void) psz_var; (void) oldval;
1436     return VLC_SUCCESS;
1437 }
1438
1439 /*****************************************************************************
1440  * ProbeDVD: very weak probing that avoids going too often into a dvdnav_open()
1441  *****************************************************************************/
1442 static int ProbeDVD( const char *psz_name )
1443 {
1444     if( !*psz_name )
1445         /* Triggers libdvdcss autodetection */
1446         return VLC_SUCCESS;
1447
1448     int fd = vlc_open( psz_name, O_RDONLY | O_NONBLOCK );
1449     if( fd == -1 )
1450 #ifdef HAVE_FDOPENDIR
1451         return VLC_EGENERIC;
1452 #else
1453         return (errno == ENOENT) ? VLC_EGENERIC : VLC_SUCCESS;
1454 #endif
1455
1456     int ret = VLC_EGENERIC;
1457     struct stat stat_info;
1458
1459     if( fstat( fd, &stat_info ) == -1 )
1460          goto bailout;
1461     if( !S_ISREG( stat_info.st_mode ) )
1462     {
1463         if( S_ISDIR( stat_info.st_mode ) || S_ISBLK( stat_info.st_mode ) )
1464             ret = VLC_SUCCESS; /* Let dvdnav_open() do the probing */
1465         goto bailout;
1466     }
1467
1468     /* Match extension as the anchor exhibits too many false positives */
1469     const char *ext = strrchr( psz_name, '.' );
1470     if( ext == NULL )
1471         goto bailout;
1472     ext++;
1473     if( strcasecmp( ext, "iso" ) && strcasecmp( ext, "img" ) &&
1474         strcasecmp( ext, "mdf" ) && strcasecmp( ext, "dvd" ) &&
1475         strcasecmp( ext, "bin" ) && strcasecmp( ext, "nrg" ) )
1476         goto bailout;
1477
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 }