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 VLC authors and VideoLAN
   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 it
  10  * under the terms of the GNU Lesser General Public License as published by
  11  * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public License
  20  * along with this program; if not, write to the Free Software Foundation,
  21  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * NOTA BENE: this module requires the linking against a library which is
  26  * known to require licensing under the GNU General Public License version 2
  27  * (or later). Therefore, the result of compiling this module will normally
  28  * be subject to the terms of that later license.
  29  *****************************************************************************/
  30
  31
  32 /*****************************************************************************
  33  * Preamble
  34  *****************************************************************************/
  35
  36 #ifdef HAVE_CONFIG_H
  37 # include "config.h"
  38 #endif
  39
  40 #include <assert.h>
  41 #include <sys/stat.h>
  42 #include <fcntl.h>
  43 #include <errno.h>
  44 #include <unistd.h>     /* close() */
  45
  46 #include <vlc_common.h>
  47 #include <vlc_plugin.h>
  48 #include <vlc_input.h>
  49 #include <vlc_access.h>
  50 #include <vlc_demux.h>
  51 #include <vlc_charset.h>
  52 #include <vlc_fs.h>
  53 #include <vlc_vout.h>
  54 #include <vlc_dialog.h>
  55 #include <vlc_iso_lang.h>
  56
  57 /* FIXME we should find a better way than including that */
  58 #include "../../src/text/iso-639_def.h"
  59
  60
  61 #include <dvdnav/dvdnav.h>
  62
  63 #include "../demux/ps.h"
  64
  65 /*****************************************************************************
  66  * Module descriptor
  67  *****************************************************************************/
  68 #define ANGLE_TEXT N_("DVD angle")
  69 #define ANGLE_LONGTEXT N_( \
  70      "Default DVD angle." )
  71
  72 #define MENU_TEXT N_("Start directly in menu")
  73 #define MENU_LONGTEXT N_( \
  74     "Start the DVD directly in the main menu. This "\
  75     "will try to skip all the useless warning introductions." )
  76
  77 #define LANGUAGE_DEFAULT ("en")
  78
  79 static int  Open ( vlc_object_t * );
  80 static void Close( vlc_object_t * );
  81
  82 vlc_module_begin ()
  83     set_shortname( N_("DVD with menus") )
  84     set_description( N_("DVDnav Input") )
  85     set_category( CAT_INPUT )
  86     set_subcategory( SUBCAT_INPUT_ACCESS )
  87     add_integer( "dvdnav-angle", 1, ANGLE_TEXT,
  88         ANGLE_LONGTEXT, false )
  89     add_bool( "dvdnav-menu", true,
  90         MENU_TEXT, MENU_LONGTEXT, false )
  91     set_capability( "access_demux", 5 )
  92     add_shortcut( "dvd", "dvdnav", "file" )
  93     set_callbacks( Open, Close )
  94 vlc_module_end ()
  95
  96 /* Shall we use libdvdnav's read ahead cache? */
  97 #ifdef __OS2__
  98 #define DVD_READ_CACHE 0
  99 #else
 100 #define DVD_READ_CACHE 1
 101 #endif
 102
 103 /*****************************************************************************
 104  * Local prototypes
 105  *****************************************************************************/
 106 struct demux_sys_t
 107 {
 108     dvdnav_t    *dvdnav;
 109
 110     /* */
 111     bool        b_reset_pcr;
 112
 113     struct
 114     {
 115         bool         b_created;
 116         bool         b_enabled;
 117         vlc_mutex_t  lock;
 118         vlc_timer_t  timer;
 119     } still;
 120
 121     /* track */
 122     ps_track_t  tk[PS_TK_COUNT];
 123     int         i_mux_rate;
 124
 125     /* for spu variables */
 126     input_thread_t *p_input;
 127
 128     /* event */
 129     vout_thread_t *p_vout;
 130
 131     /* palette for menus */
 132     uint32_t clut[16];
 133     uint8_t  palette[4][4];
 134     bool b_spu_change;
 135
 136     /* Aspect ration */
 137     struct {
 138         unsigned i_num;
 139         unsigned i_den;
 140     } sar;
 141
 142     /* */
 143     int           i_title;
 144     input_title_t **title;
 145
 146     /* lenght of program group chain */
 147     mtime_t     i_pgc_length;
 148     int         i_vobu_index;
 149     int         i_vobu_flush;
 150 };
 151
 152 static int Control( demux_t *, int, va_list );
 153 static int Demux( demux_t * );
 154 static int DemuxBlock( demux_t *, const uint8_t *, int );
 155 static void DemuxForceStill( demux_t * );
 156
 157 static void DemuxTitles( demux_t * );
 158 static void ESSubtitleUpdate( demux_t * );
 159 static void ButtonUpdate( demux_t *, bool );
 160
 161 static void ESNew( demux_t *, int );
 162 static int ProbeDVD( const char * );
 163
 164 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var );
 165
 166 static int ControlInternal( demux_t *, int, ... );
 167
 168 static void StillTimer( void * );
 169
 170 static int EventMouse( vlc_object_t *, char const *,
 171                        vlc_value_t, vlc_value_t, void * );
 172 static int EventIntf( vlc_object_t *, char const *,
 173                       vlc_value_t, vlc_value_t, void * );
 174
 175 /*****************************************************************************
 176  * DemuxOpen:
 177  *****************************************************************************/
 178 static int Open( vlc_object_t *p_this )
 179 {
 180     demux_t     *p_demux = (demux_t*)p_this;
 181     demux_sys_t *p_sys;
 182     dvdnav_t    *p_dvdnav;
 183     int         i_angle;
 184     char        *psz_file;
 185     char        *psz_code;
 186     bool forced = false;
 187
 188     if( p_demux->psz_access != NULL
 189      && !strncmp(p_demux->psz_access, "dvd", 3) )
 190         forced = true;
 191
 192     if( !p_demux->psz_file || !*p_demux->psz_file )
 193     {
 194         /* Only when selected */
 195         if( !forced )
 196             return VLC_EGENERIC;
 197
 198         psz_file = var_InheritString( p_this, "dvd" );
 199     }
 200     else
 201         psz_file = strdup( p_demux->psz_file );
 202
 203 #if defined( _WIN32 ) || defined( __OS2__ )
 204     if( psz_file != NULL )
 205     {
 206         /* Remove trailing backslash, otherwise dvdnav_open will fail */
 207         size_t flen = strlen( psz_file );
 208         if( flen > 0 && psz_file[flen - 1] == '\\' )
 209             psz_file[flen - 1] = '\0';
 210     }
 211     else
 212         psz_file = strdup("");
 213 #endif
 214     if( unlikely(psz_file == NULL) )
 215         return VLC_EGENERIC;
 216
 217     /* Try some simple probing to avoid going through dvdnav_open too often */
 218     if( !forced && ProbeDVD( psz_file ) != VLC_SUCCESS )
 219     {
 220         free( psz_file );
 221         return VLC_EGENERIC;
 222     }
 223
 224     /* Open dvdnav */
 225     const char *psz_path = ToLocale( psz_file );
 226     if( dvdnav_open( &p_dvdnav, psz_path ) != DVDNAV_STATUS_OK )
 227         p_dvdnav = NULL;
 228     LocaleFree( psz_path );
 229     if( p_dvdnav == NULL )
 230     {
 231         msg_Warn( p_demux, "cannot open DVD (%s)", psz_file);
 232         free( psz_file );
 233         return VLC_EGENERIC;
 234     }
 235     free( psz_file );
 236
 237     /* Fill p_demux field */
 238     DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
 239     p_sys->dvdnav = p_dvdnav;
 240     p_sys->b_reset_pcr = false;
 241
 242     ps_track_init( p_sys->tk );
 243     p_sys->sar.i_num = 0;
 244     p_sys->sar.i_den = 0;
 245     p_sys->i_mux_rate = 0;
 246     p_sys->i_pgc_length = 0;
 247     p_sys->b_spu_change = false;
 248     p_sys->i_vobu_index = 0;
 249     p_sys->i_vobu_flush = 0;
 250
 251     if( 1 )
 252     {
 253         // Hack for libdvdnav CVS.
 254         // Without it dvdnav_get_number_of_titles() fails.
 255         // Remove when fixed in libdvdnav CVS.
 256         uint8_t buffer[DVD_VIDEO_LB_LEN];
 257         int i_event, i_len;
 258
 259         if( dvdnav_get_next_block( p_sys->dvdnav, buffer, &i_event, &i_len )
 260               == DVDNAV_STATUS_ERR )
 261         {
 262             msg_Warn( p_demux, "dvdnav_get_next_block failed" );
 263         }
 264
 265         dvdnav_sector_search( p_sys->dvdnav, 0, SEEK_SET );
 266     }
 267
 268     /* Configure dvdnav */
 269     if( dvdnav_set_readahead_flag( p_sys->dvdnav, DVD_READ_CACHE ) !=
 270           DVDNAV_STATUS_OK )
 271     {
 272         msg_Warn( p_demux, "cannot set read-a-head flag" );
 273     }
 274
 275     if( dvdnav_set_PGC_positioning_flag( p_sys->dvdnav, 1 ) !=
 276           DVDNAV_STATUS_OK )
 277     {
 278         msg_Warn( p_demux, "cannot set PGC positioning flag" );
 279     }
 280
 281     /* Set menu language */
 282     psz_code = DemuxGetLanguageCode( p_demux, "menu-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 vout creation event */
 362     var_AddCallback( p_sys->p_input, "intf-event", EventIntf, p_demux );
 363
 364     p_sys->still.b_enabled = false;
 365     vlc_mutex_init( &p_sys->still.lock );
 366     if( !vlc_timer_create( &p_sys->still.timer, StillTimer, p_sys ) )
 367         p_sys->still.b_created = true;
 368
 369     return VLC_SUCCESS;
 370 }
 371
 372 /*****************************************************************************
 373  * Close:
 374  *****************************************************************************/
 375 static void Close( vlc_object_t *p_this )
 376 {
 377     demux_t     *p_demux = (demux_t*)p_this;
 378     demux_sys_t *p_sys = p_demux->p_sys;
 379
 380     /* Stop vout event handler */
 381     var_DelCallback( p_sys->p_input, "intf-event", EventIntf, p_demux );
 382     if( p_sys->p_vout != NULL )
 383     {   /* Should not happen, but better be safe than sorry. */
 384         msg_Warn( p_sys->p_vout, "removing dangling mouse DVD callbacks" );
 385         var_DelCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
 386         var_DelCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
 387     }
 388
 389     /* Stop still image handler */
 390     if( p_sys->still.b_created )
 391         vlc_timer_destroy( p_sys->still.timer );
 392     vlc_mutex_destroy( &p_sys->still.lock );
 393
 394     var_Destroy( p_sys->p_input, "highlight" );
 395     var_Destroy( p_sys->p_input, "x-start" );
 396     var_Destroy( p_sys->p_input, "x-end" );
 397     var_Destroy( p_sys->p_input, "y-start" );
 398     var_Destroy( p_sys->p_input, "y-end" );
 399     var_Destroy( p_sys->p_input, "color" );
 400     var_Destroy( p_sys->p_input, "menu-palette" );
 401
 402     vlc_object_release( p_sys->p_input );
 403
 404     for( int i = 0; i < PS_TK_COUNT; i++ )
 405     {
 406         ps_track_t *tk = &p_sys->tk[i];
 407         if( tk->b_seen )
 408         {
 409             es_format_Clean( &tk->fmt );
 410             if( tk->es ) es_out_Del( p_demux->out, tk->es );
 411         }
 412     }
 413
 414     /* Free the array of titles */
 415     for( int i = 0; i < p_sys->i_title; i++ )
 416         vlc_input_title_Delete( p_sys->title[i] );
 417     TAB_CLEAN( p_sys->i_title, p_sys->title );
 418
 419     dvdnav_close( p_sys->dvdnav );
 420     free( p_sys );
 421 }
 422
 423 /*****************************************************************************
 424  * Control:
 425  *****************************************************************************/
 426 static int Control( demux_t *p_demux, int i_query, va_list args )
 427 {
 428     demux_sys_t *p_sys = p_demux->p_sys;
 429     input_title_t ***ppp_title;
 430     int i;
 431
 432     switch( i_query )
 433     {
 434         case DEMUX_SET_POSITION:
 435         case DEMUX_GET_POSITION:
 436         case DEMUX_GET_TIME:
 437         case DEMUX_GET_LENGTH:
 438         {
 439             uint32_t pos, len;
 440             if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) !=
 441                   DVDNAV_STATUS_OK || len == 0 )
 442             {
 443                 return VLC_EGENERIC;
 444             }
 445
 446             switch( i_query )
 447             {
 448             case DEMUX_GET_POSITION:
 449                 *va_arg( args, double* ) = (double)pos / (double)len;
 450                 return VLC_SUCCESS;
 451
 452             case DEMUX_SET_POSITION:
 453                 pos = va_arg( args, double ) * len;
 454                 if( dvdnav_sector_search( p_sys->dvdnav, pos, SEEK_SET ) ==
 455                       DVDNAV_STATUS_OK )
 456                 {
 457                     return VLC_SUCCESS;
 458                 }
 459                 break;
 460
 461             case DEMUX_GET_TIME:
 462                 if( p_sys->i_pgc_length > 0 )
 463                 {
 464                     *va_arg( args, int64_t * ) = p_sys->i_pgc_length*pos/len;
 465                     return VLC_SUCCESS;
 466                 }
 467                 break;
 468
 469             case DEMUX_GET_LENGTH:
 470                 if( p_sys->i_pgc_length > 0 )
 471                 {
 472                     *va_arg( args, int64_t * ) = (int64_t)p_sys->i_pgc_length;
 473                     return VLC_SUCCESS;
 474                 }
 475                 break;
 476             }
 477             return VLC_EGENERIC;
 478         }
 479
 480         /* Special for access_demux */
 481         case DEMUX_CAN_PAUSE:
 482         case DEMUX_CAN_SEEK:
 483         case DEMUX_CAN_CONTROL_PACE:
 484             /* TODO */
 485             *va_arg( args, bool * ) = true;
 486             return VLC_SUCCESS;
 487
 488         case DEMUX_SET_PAUSE_STATE:
 489             return VLC_SUCCESS;
 490
 491         case DEMUX_GET_TITLE_INFO:
 492             ppp_title = va_arg( args, input_title_t*** );
 493             *va_arg( args, int* ) = p_sys->i_title;
 494             *va_arg( args, int* ) = 0; /* Title offset */
 495             *va_arg( args, int* ) = 1; /* Chapter offset */
 496
 497             /* Duplicate title infos */
 498             *ppp_title = malloc( p_sys->i_title * sizeof( input_title_t * ) );
 499             for( i = 0; i < p_sys->i_title; i++ )
 500             {
 501                 (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->title[i] );
 502             }
 503             return VLC_SUCCESS;
 504
 505         case DEMUX_SET_TITLE:
 506             i = (int)va_arg( args, int );
 507             if( ( i == 0 && dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root )
 508                   != DVDNAV_STATUS_OK ) ||
 509                 ( i != 0 && dvdnav_title_play( p_sys->dvdnav, i )
 510                   != DVDNAV_STATUS_OK ) )
 511             {
 512                 msg_Warn( p_demux, "cannot set title/chapter" );
 513                 return VLC_EGENERIC;
 514             }
 515             p_demux->info.i_update |=
 516                 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
 517             p_demux->info.i_title = i;
 518             p_demux->info.i_seekpoint = 0;
 519             return VLC_SUCCESS;
 520
 521         case DEMUX_SET_SEEKPOINT:
 522             i = va_arg( args, int );
 523             if( p_demux->info.i_title == 0 )
 524             {
 525                 static const int argtab[] = {
 526                     DVD_MENU_Escape,
 527                     DVD_MENU_Root,
 528                     DVD_MENU_Title,
 529                     DVD_MENU_Part,
 530                     DVD_MENU_Subpicture,
 531                     DVD_MENU_Audio,
 532                     DVD_MENU_Angle
 533                 };
 534                 enum { numargs = sizeof(argtab)/sizeof(int) };
 535                 if( (unsigned)i >= numargs || DVDNAV_STATUS_OK !=
 536                            dvdnav_menu_call(p_sys->dvdnav,argtab[i]) )
 537                     return VLC_EGENERIC;
 538             }
 539             else if( dvdnav_part_play( p_sys->dvdnav, p_demux->info.i_title,
 540                                        i + 1 ) != DVDNAV_STATUS_OK )
 541             {
 542                 msg_Warn( p_demux, "cannot set title/chapter" );
 543                 return VLC_EGENERIC;
 544             }
 545             p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 546             p_demux->info.i_seekpoint = i;
 547             return VLC_SUCCESS;
 548
 549         case DEMUX_GET_PTS_DELAY:
 550             *va_arg( args, int64_t * ) =
 551                 INT64_C(1000) * var_InheritInteger( p_demux, "disc-caching" );
 552             return VLC_SUCCESS;
 553
 554         case DEMUX_GET_META:
 555         {
 556             const char *title_name = NULL;
 557
 558             dvdnav_get_title_string(p_sys->dvdnav, &title_name);
 559             if( (NULL != title_name) && ('\0' != title_name[0]) )
 560             {
 561                 vlc_meta_t *p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
 562                 vlc_meta_Set( p_meta, vlc_meta_Title, title_name );
 563                 return VLC_SUCCESS;
 564             }
 565             return VLC_EGENERIC;
 566         }
 567
 568         case DEMUX_NAV_ACTIVATE:
 569         {
 570             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
 571
 572             ButtonUpdate( p_demux, true );
 573             dvdnav_button_activate( p_sys->dvdnav, pci );
 574             break;
 575         }
 576
 577         case DEMUX_NAV_UP:
 578         {
 579             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
 580
 581             dvdnav_upper_button_select( p_sys->dvdnav, pci );
 582             break;
 583         }
 584
 585         case DEMUX_NAV_DOWN:
 586         {
 587             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
 588
 589             dvdnav_lower_button_select( p_sys->dvdnav, pci );
 590             break;
 591         }
 592
 593         case DEMUX_NAV_LEFT:
 594         {
 595             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
 596
 597             dvdnav_left_button_select( p_sys->dvdnav, pci );
 598             break;
 599         }
 600
 601         case DEMUX_NAV_RIGHT:
 602         {
 603             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
 604
 605             dvdnav_right_button_select( p_sys->dvdnav, pci );
 606             break;
 607         }
 608
 609         /* TODO implement others */
 610         default:
 611             return VLC_EGENERIC;
 612     }
 613
 614     return VLC_SUCCESS;
 615 }
 616
 617 static int ControlInternal( demux_t *p_demux, int i_query, ... )
 618 {
 619     va_list args;
 620     int     i_result;
 621
 622     va_start( args, i_query );
 623     i_result = Control( p_demux, i_query, args );
 624     va_end( args );
 625
 626     return i_result;
 627 }
 628 /*****************************************************************************
 629  * Demux:
 630  *****************************************************************************/
 631 static int Demux( demux_t *p_demux )
 632 {
 633     demux_sys_t *p_sys = p_demux->p_sys;
 634
 635     uint8_t buffer[DVD_VIDEO_LB_LEN];
 636     uint8_t *packet = buffer;
 637     int i_event;
 638     int i_len;
 639
 640 #if DVD_READ_CACHE
 641     if( dvdnav_get_next_cache_block( p_sys->dvdnav, &packet, &i_event, &i_len )
 642         == DVDNAV_STATUS_ERR )
 643 #else
 644     if( dvdnav_get_next_block( p_sys->dvdnav, packet, &i_event, &i_len )
 645         == DVDNAV_STATUS_ERR )
 646 #endif
 647     {
 648         msg_Warn( p_demux, "cannot get next block (%s)",
 649                   dvdnav_err_to_string( p_sys->dvdnav ) );
 650         if( p_demux->info.i_title == 0 )
 651         {
 652             msg_Dbg( p_demux, "jumping to first title" );
 653             return ControlInternal( p_demux, DEMUX_SET_TITLE, 1 ) == VLC_SUCCESS ? 1 : -1;
 654         }
 655         return -1;
 656     }
 657
 658     switch( i_event )
 659     {
 660     case DVDNAV_BLOCK_OK:   /* mpeg block */
 661         vlc_mutex_lock( &p_sys->still.lock );
 662         vlc_timer_schedule( p_sys->still.timer, false, 0, 0 );
 663         p_sys->still.b_enabled = false;
 664         vlc_mutex_unlock( &p_sys->still.lock );
 665         if( p_sys->b_reset_pcr )
 666         {
 667             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 668             p_sys->b_reset_pcr = false;
 669         }
 670         DemuxBlock( p_demux, packet, i_len );
 671         if( p_sys->i_vobu_index > 0 )
 672         {
 673             if( p_sys->i_vobu_flush == p_sys->i_vobu_index )
 674                 DemuxForceStill( p_demux );
 675             p_sys->i_vobu_index++;
 676         }
 677         break;
 678
 679     case DVDNAV_NOP:    /* Nothing */
 680         msg_Dbg( p_demux, "DVDNAV_NOP" );
 681         break;
 682
 683     case DVDNAV_STILL_FRAME:
 684     {
 685         dvdnav_still_event_t *event = (dvdnav_still_event_t*)packet;
 686         bool b_still_init = false;
 687
 688         vlc_mutex_lock( &p_sys->still.lock );
 689         if( !p_sys->still.b_enabled )
 690         {
 691             msg_Dbg( p_demux, "DVDNAV_STILL_FRAME" );
 692             msg_Dbg( p_demux, "     - length=0x%x", event->length );
 693             p_sys->still.b_enabled = true;
 694
 695             if( event->length != 0xff && p_sys->still.b_created )
 696             {
 697                 mtime_t delay = event->length * CLOCK_FREQ;
 698                 vlc_timer_schedule( p_sys->still.timer, false, delay, 0 );
 699             }
 700
 701             b_still_init = true;
 702         }
 703         vlc_mutex_unlock( &p_sys->still.lock );
 704
 705         if( b_still_init )
 706         {
 707             DemuxForceStill( p_demux );
 708             p_sys->b_reset_pcr = true;
 709         }
 710         msleep( 40000 );
 711         break;
 712     }
 713
 714     case DVDNAV_SPU_CLUT_CHANGE:
 715     {
 716         int i;
 717
 718         msg_Dbg( p_demux, "DVDNAV_SPU_CLUT_CHANGE" );
 719         /* Update color lookup table (16 *uint32_t in packet) */
 720         memcpy( p_sys->clut, packet, 16 * sizeof( uint32_t ) );
 721
 722         /* HACK to get the SPU tracks registered in the right order */
 723         for( i = 0; i < 0x1f; i++ )
 724         {
 725             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 726                 ESNew( p_demux, 0xbd20 + i );
 727         }
 728         /* END HACK */
 729         break;
 730     }
 731
 732     case DVDNAV_SPU_STREAM_CHANGE:
 733     {
 734         dvdnav_spu_stream_change_event_t *event =
 735             (dvdnav_spu_stream_change_event_t*)packet;
 736         int i;
 737
 738         msg_Dbg( p_demux, "DVDNAV_SPU_STREAM_CHANGE" );
 739         msg_Dbg( p_demux, "     - physical_wide=%d",
 740                  event->physical_wide );
 741         msg_Dbg( p_demux, "     - physical_letterbox=%d",
 742                  event->physical_letterbox);
 743         msg_Dbg( p_demux, "     - physical_pan_scan=%d",
 744                  event->physical_pan_scan );
 745
 746         ESSubtitleUpdate( p_demux );
 747         p_sys->b_spu_change = true;
 748
 749         /* HACK to get the SPU tracks registered in the right order */
 750         for( i = 0; i < 0x1f; i++ )
 751         {
 752             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 753                 ESNew( p_demux, 0xbd20 + i );
 754         }
 755         /* END HACK */
 756         break;
 757     }
 758
 759     case DVDNAV_AUDIO_STREAM_CHANGE:
 760     {
 761         dvdnav_audio_stream_change_event_t *event =
 762             (dvdnav_audio_stream_change_event_t*)packet;
 763         msg_Dbg( p_demux, "DVDNAV_AUDIO_STREAM_CHANGE" );
 764         msg_Dbg( p_demux, "     - physical=%d", event->physical );
 765         /* TODO */
 766         break;
 767     }
 768
 769     case DVDNAV_VTS_CHANGE:
 770     {
 771         int32_t i_title = 0;
 772         int32_t i_part  = 0;
 773         int i;
 774
 775         dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t*)packet;
 776         msg_Dbg( p_demux, "DVDNAV_VTS_CHANGE" );
 777         msg_Dbg( p_demux, "     - vtsN=%d", event->new_vtsN );
 778         msg_Dbg( p_demux, "     - domain=%d", event->new_domain );
 779
 780         /* reset PCR */
 781         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 782
 783         for( i = 0; i < PS_TK_COUNT; i++ )
 784         {
 785             ps_track_t *tk = &p_sys->tk[i];
 786             if( tk->b_seen )
 787             {
 788                 es_format_Clean( &tk->fmt );
 789                 if( tk->es ) es_out_Del( p_demux->out, tk->es );
 790             }
 791             tk->b_seen = false;
 792         }
 793
 794         uint32_t i_width, i_height;
 795         if( dvdnav_get_video_resolution( p_sys->dvdnav,
 796                                          &i_width, &i_height ) )
 797             i_width = i_height = 0;
 798         switch( dvdnav_get_video_aspect( p_sys->dvdnav ) )
 799         {
 800         case 0:
 801             p_sys->sar.i_num = 4 * i_height;
 802             p_sys->sar.i_den = 3 * i_width;
 803             break;
 804         case 3:
 805             p_sys->sar.i_num = 16 * i_height;
 806             p_sys->sar.i_den =  9 * i_width;
 807             break;
 808         default:
 809             p_sys->sar.i_num = 0;
 810             p_sys->sar.i_den = 0;
 811             break;
 812         }
 813
 814         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 815                                        &i_part ) == DVDNAV_STATUS_OK )
 816         {
 817             if( i_title >= 0 && i_title < p_sys->i_title &&
 818                 p_demux->info.i_title != i_title )
 819             {
 820                 p_demux->info.i_update |= INPUT_UPDATE_TITLE;
 821                 p_demux->info.i_title = i_title;
 822             }
 823         }
 824         break;
 825     }
 826
 827     case DVDNAV_CELL_CHANGE:
 828     {
 829         int32_t i_title = 0;
 830         int32_t i_part  = 0;
 831
 832         dvdnav_cell_change_event_t *event =
 833             (dvdnav_cell_change_event_t*)packet;
 834         msg_Dbg( p_demux, "DVDNAV_CELL_CHANGE" );
 835         msg_Dbg( p_demux, "     - cellN=%d", event->cellN );
 836         msg_Dbg( p_demux, "     - pgN=%d", event->pgN );
 837         msg_Dbg( p_demux, "     - cell_length=%"PRId64, event->cell_length );
 838         msg_Dbg( p_demux, "     - pg_length=%"PRId64, event->pg_length );
 839         msg_Dbg( p_demux, "     - pgc_length=%"PRId64, event->pgc_length );
 840         msg_Dbg( p_demux, "     - cell_start=%"PRId64, event->cell_start );
 841         msg_Dbg( p_demux, "     - pg_start=%"PRId64, event->pg_start );
 842
 843         /* Store the lenght in time of the current PGC */
 844         p_sys->i_pgc_length = event->pgc_length / 90 * 1000;
 845         p_sys->i_vobu_index = 0;
 846         p_sys->i_vobu_flush = 0;
 847
 848         /* FIXME is it correct or there is better way to know chapter change */
 849         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 850                                        &i_part ) == DVDNAV_STATUS_OK )
 851         {
 852             if( i_title >= 0 && i_title < p_sys->i_title )
 853             {
 854                 p_demux->info.i_update |= INPUT_UPDATE_TITLE;
 855                 p_demux->info.i_title = i_title;
 856
 857                 if( i_part >= 1 && i_part <= p_sys->title[i_title]->i_seekpoint )
 858                 {
 859                     p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 860                     p_demux->info.i_seekpoint = i_part - 1;
 861                 }
 862             }
 863         }
 864         break;
 865     }
 866
 867     case DVDNAV_NAV_PACKET:
 868     {
 869         p_sys->i_vobu_index = 1;
 870         p_sys->i_vobu_flush = 0;
 871
 872         /* Look if we have need to force a flush (and when) */
 873         const pci_gi_t *p_pci_gi = &dvdnav_get_current_nav_pci( p_sys->dvdnav )->pci_gi;
 874         if( p_pci_gi->vobu_se_e_ptm != 0 && p_pci_gi->vobu_se_e_ptm < p_pci_gi->vobu_e_ptm )
 875         {
 876             const dsi_gi_t *p_dsi_gi = &dvdnav_get_current_nav_dsi( p_sys->dvdnav )->dsi_gi;
 877             if( p_dsi_gi->vobu_3rdref_ea != 0 )
 878                 p_sys->i_vobu_flush = p_dsi_gi->vobu_3rdref_ea;
 879             else if( p_dsi_gi->vobu_2ndref_ea != 0 )
 880                 p_sys->i_vobu_flush = p_dsi_gi->vobu_2ndref_ea;
 881             else if( p_dsi_gi->vobu_1stref_ea != 0 )
 882                 p_sys->i_vobu_flush = p_dsi_gi->vobu_1stref_ea;
 883         }
 884
 885 #ifdef DVDNAV_DEBUG
 886         msg_Dbg( p_demux, "DVDNAV_NAV_PACKET" );
 887 #endif
 888         /* A lot of thing to do here :
 889          *  - handle packet
 890          *  - fetch pts (for time display)
 891          *  - ...
 892          */
 893         DemuxBlock( p_demux, packet, i_len );
 894         if( p_sys->b_spu_change )
 895         {
 896             ButtonUpdate( p_demux, false );
 897             p_sys->b_spu_change = false;
 898         }
 899         break;
 900     }
 901
 902     case DVDNAV_STOP:   /* EOF */
 903         msg_Dbg( p_demux, "DVDNAV_STOP" );
 904
 905 #if DVD_READ_CACHE
 906         dvdnav_free_cache_block( p_sys->dvdnav, packet );
 907 #endif
 908         return 0;
 909
 910     case DVDNAV_HIGHLIGHT:
 911     {
 912         dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t*)packet;
 913         msg_Dbg( p_demux, "DVDNAV_HIGHLIGHT" );
 914         msg_Dbg( p_demux, "     - display=%d", event->display );
 915         msg_Dbg( p_demux, "     - buttonN=%d", event->buttonN );
 916         ButtonUpdate( p_demux, false );
 917         break;
 918     }
 919
 920     case DVDNAV_HOP_CHANNEL:
 921         msg_Dbg( p_demux, "DVDNAV_HOP_CHANNEL" );
 922         p_sys->i_vobu_index = 0;
 923         p_sys->i_vobu_flush = 0;
 924         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 925         break;
 926
 927     case DVDNAV_WAIT:
 928         msg_Dbg( p_demux, "DVDNAV_WAIT" );
 929
 930         bool b_empty;
 931         es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
 932         if( !b_empty )
 933         {
 934             msleep( 40*1000 );
 935         }
 936         else
 937         {
 938             dvdnav_wait_skip( p_sys->dvdnav );
 939             p_sys->b_reset_pcr = true;
 940         }
 941         break;
 942
 943     default:
 944         msg_Warn( p_demux, "Unknown event (0x%x)", i_event );
 945         break;
 946     }
 947
 948 #if DVD_READ_CACHE
 949     dvdnav_free_cache_block( p_sys->dvdnav, packet );
 950 #endif
 951
 952     return 1;
 953 }
 954
 955 /* Get a 2 char code
 956  * FIXME: partiallyy duplicated from src/input/es_out.c
 957  */
 958 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var )
 959 {
 960     const iso639_lang_t *pl;
 961     char *psz_lang;
 962     char *p;
 963
 964     psz_lang = var_CreateGetString( p_demux, psz_var );
 965     if( !psz_lang )
 966         return strdup(LANGUAGE_DEFAULT);
 967
 968     /* XXX: we will use only the first value
 969      * (and ignore other ones in case of a list) */
 970     if( ( p = strchr( psz_lang, ',' ) ) )
 971         *p = '\0';
 972
 973     for( pl = p_languages; pl->psz_eng_name != NULL; pl++ )
 974     {
 975         if( *psz_lang == '\0' )
 976             continue;
 977         if( !strcasecmp( pl->psz_eng_name, psz_lang ) ||
 978             !strcasecmp( pl->psz_iso639_1, psz_lang ) ||
 979             !strcasecmp( pl->psz_iso639_2T, psz_lang ) ||
 980             !strcasecmp( pl->psz_iso639_2B, psz_lang ) )
 981             break;
 982     }
 983
 984     free( psz_lang );
 985
 986     if( pl->psz_eng_name != NULL )
 987         return strdup( pl->psz_iso639_1 );
 988
 989     return strdup(LANGUAGE_DEFAULT);
 990 }
 991
 992 static void DemuxTitles( demux_t *p_demux )
 993 {
 994     demux_sys_t *p_sys = p_demux->p_sys;
 995     input_title_t *t;
 996     seekpoint_t *s;
 997     int32_t i_titles;
 998     int i;
 999
1000     /* Menu */
1001     t = vlc_input_title_New();
1002     t->b_menu = true;
1003     t->psz_name = strdup( "DVD Menu" );
1004
1005     s = vlc_seekpoint_New();
1006     s->psz_name = strdup( "Resume" );
1007     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1008
1009     s = vlc_seekpoint_New();
1010     s->psz_name = strdup( "Root" );
1011     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1012
1013     s = vlc_seekpoint_New();
1014     s->psz_name = strdup( "Title" );
1015     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1016
1017     s = vlc_seekpoint_New();
1018     s->psz_name = strdup( "Chapter" );
1019     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1020
1021     s = vlc_seekpoint_New();
1022     s->psz_name = strdup( "Subtitle" );
1023     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1024
1025     s = vlc_seekpoint_New();
1026     s->psz_name = strdup( "Audio" );
1027     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1028
1029     s = vlc_seekpoint_New();
1030     s->psz_name = strdup( "Angle" );
1031     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1032
1033     TAB_APPEND( p_sys->i_title, p_sys->title, t );
1034
1035     /* Find out number of titles/chapters */
1036     dvdnav_get_number_of_titles( p_sys->dvdnav, &i_titles );
1037
1038     if( i_titles > 90 )
1039         msg_Err( p_demux, "This is probably an Arccos Protected DVD. This could take time..." );
1040
1041     for( i = 1; i <= i_titles; i++ )
1042     {
1043         int32_t i_chapters;
1044         uint64_t i_title_length;
1045         uint64_t *p_chapters_time;
1046
1047         i_chapters = dvdnav_describe_title_chapters( p_sys->dvdnav, i,
1048                                                      &p_chapters_time,
1049                                                      &i_title_length );
1050         if( i_chapters < 1 )
1051         {
1052             i_title_length = 0;
1053             p_chapters_time = NULL;
1054         }
1055         t = vlc_input_title_New();
1056         t->i_length = i_title_length * 1000 / 90;
1057         for( int j = 0; j < __MAX( i_chapters, 1 ); j++ )
1058         {
1059             s = vlc_seekpoint_New();
1060             if( p_chapters_time )
1061                 s->i_time_offset = p_chapters_time[j] * 1000 / 90;
1062             TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1063         }
1064         free( p_chapters_time );
1065         TAB_APPEND( p_sys->i_title, p_sys->title, t );
1066     }
1067 }
1068
1069 /*****************************************************************************
1070  * Update functions:
1071  *****************************************************************************/
1072 static void ButtonUpdate( demux_t *p_demux, bool b_mode )
1073 {
1074     demux_sys_t *p_sys = p_demux->p_sys;
1075     int32_t i_title, i_part;
1076
1077     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1078
1079     dvdnav_highlight_area_t hl;
1080     int32_t i_button;
1081     bool    b_button_ok;
1082
1083     if( dvdnav_get_current_highlight( p_sys->dvdnav, &i_button )
1084         != DVDNAV_STATUS_OK )
1085     {
1086         msg_Err( p_demux, "dvdnav_get_current_highlight failed" );
1087         return;
1088     }
1089
1090     b_button_ok = false;
1091     if( i_button > 0 && i_title ==  0 )
1092     {
1093         pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1094
1095         b_button_ok = DVDNAV_STATUS_OK ==
1096                   dvdnav_get_highlight_area( pci, i_button, b_mode, &hl );
1097     }
1098
1099     if( b_button_ok )
1100     {
1101         for( unsigned i = 0; i < 4; i++ )
1102         {
1103             uint32_t i_yuv = p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
1104             uint8_t i_alpha = ( (hl.palette>>(i*4))&0x0f ) * 0xff / 0xf;
1105
1106             p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
1107             p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
1108             p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
1109             p_sys->palette[i][3] = i_alpha;
1110         }
1111
1112         vlc_global_lock( VLC_HIGHLIGHT_MUTEX );
1113         var_SetInteger( p_sys->p_input, "x-start", hl.sx );
1114         var_SetInteger( p_sys->p_input, "x-end",  hl.ex );
1115         var_SetInteger( p_sys->p_input, "y-start", hl.sy );
1116         var_SetInteger( p_sys->p_input, "y-end", hl.ey );
1117
1118         var_SetAddress( p_sys->p_input, "menu-palette", p_sys->palette );
1119         var_SetBool( p_sys->p_input, "highlight", true );
1120
1121         msg_Dbg( p_demux, "buttonUpdate %d", i_button );
1122     }
1123     else
1124     {
1125         msg_Dbg( p_demux, "buttonUpdate not done b=%d t=%d",
1126                  i_button, i_title );
1127
1128         /* Show all */
1129         vlc_global_lock( VLC_HIGHLIGHT_MUTEX );
1130         var_SetBool( p_sys->p_input, "highlight", false );
1131     }
1132     vlc_global_unlock( VLC_HIGHLIGHT_MUTEX );
1133 }
1134
1135 static void ESSubtitleUpdate( demux_t *p_demux )
1136 {
1137     demux_sys_t *p_sys = p_demux->p_sys;
1138     int         i_spu = dvdnav_get_active_spu_stream( p_sys->dvdnav );
1139     int32_t i_title, i_part;
1140
1141     ButtonUpdate( p_demux, false );
1142
1143     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1144     if( i_title > 0 ) return;
1145
1146     if( i_spu >= 0 && i_spu <= 0x1f )
1147     {
1148         ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1149
1150         ESNew( p_demux, 0xbd20 + i_spu );
1151
1152         /* be sure to unselect it (reset) */
1153         es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1154                         (bool)false );
1155
1156         /* now select it */
1157         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1158     }
1159     else
1160     {
1161         for( i_spu = 0; i_spu <= 0x1F; i_spu++ )
1162         {
1163             ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1164             if( tk->b_seen )
1165             {
1166                 es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1167                                 (bool)false );
1168             }
1169         }
1170     }
1171 }
1172
1173 /*****************************************************************************
1174  * DemuxBlock: demux a given block
1175  *****************************************************************************/
1176 static int DemuxBlock( demux_t *p_demux, const uint8_t *p, int len )
1177 {
1178     demux_sys_t *p_sys = p_demux->p_sys;
1179
1180     while( len > 0 )
1181     {
1182         int i_size = ps_pkt_size( p, len );
1183         if( i_size <= 0 || i_size > len )
1184         {
1185             break;
1186         }
1187
1188         /* Create a block */
1189         block_t *p_pkt = block_Alloc( i_size );
1190         memcpy( p_pkt->p_buffer, p, i_size);
1191
1192         /* Parse it and send it */
1193         switch( 0x100 | p[3] )
1194         {
1195         case 0x1b9:
1196         case 0x1bb:
1197         case 0x1bc:
1198 #ifdef DVDNAV_DEBUG
1199             if( p[3] == 0xbc )
1200             {
1201                 msg_Warn( p_demux, "received a PSM packet" );
1202             }
1203             else if( p[3] == 0xbb )
1204             {
1205                 msg_Warn( p_demux, "received a SYSTEM packet" );
1206             }
1207 #endif
1208             block_Release( p_pkt );
1209             break;
1210
1211         case 0x1ba:
1212         {
1213             int64_t i_scr;
1214             int i_mux_rate;
1215             if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
1216             {
1217                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr + 1 );
1218                 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
1219             }
1220             block_Release( p_pkt );
1221             break;
1222         }
1223         default:
1224         {
1225             int i_id = ps_pkt_id( p_pkt );
1226             if( i_id >= 0xc0 )
1227             {
1228                 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1229
1230                 if( !tk->b_seen )
1231                 {
1232                     ESNew( p_demux, i_id );
1233                 }
1234                 if( tk->b_seen && tk->es &&
1235                     !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
1236                 {
1237                     es_out_Send( p_demux->out, tk->es, p_pkt );
1238                 }
1239                 else
1240                 {
1241                     block_Release( p_pkt );
1242                 }
1243             }
1244             else
1245             {
1246                 block_Release( p_pkt );
1247             }
1248             break;
1249         }
1250         }
1251
1252         p += i_size;
1253         len -= i_size;
1254     }
1255
1256     return VLC_SUCCESS;
1257 }
1258
1259 /*****************************************************************************
1260  * Force still images to be displayed by sending EOS and stopping buffering.
1261  *****************************************************************************/
1262 static void DemuxForceStill( demux_t *p_demux )
1263 {
1264     static const uint8_t buffer[] = {
1265         0x00, 0x00, 0x01, 0xe0, 0x00, 0x07,
1266         0x80, 0x00, 0x00,
1267         0x00, 0x00, 0x01, 0xB7,
1268     };
1269     DemuxBlock( p_demux, buffer, sizeof(buffer) );
1270
1271     bool b_empty;
1272     es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
1273 }
1274
1275 /*****************************************************************************
1276  * ESNew: register a new elementary stream
1277  *****************************************************************************/
1278 static void ESNew( demux_t *p_demux, int i_id )
1279 {
1280     demux_sys_t *p_sys = p_demux->p_sys;
1281     ps_track_t  *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1282     bool  b_select = false;
1283
1284     if( tk->b_seen ) return;
1285
1286     if( ps_track_fill( tk, 0, i_id, NULL ) )
1287     {
1288         msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
1289         return;
1290     }
1291
1292     /* Add a new ES */
1293     if( tk->fmt.i_cat == VIDEO_ES )
1294     {
1295         tk->fmt.video.i_sar_num = p_sys->sar.i_num;
1296         tk->fmt.video.i_sar_den = p_sys->sar.i_den;
1297         b_select = true;
1298     }
1299     else if( tk->fmt.i_cat == AUDIO_ES )
1300     {
1301         int i_audio = -1;
1302         /* find the audio number PLEASE find another way */
1303         if( (i_id&0xbdf8) == 0xbd88 )       /* dts */
1304         {
1305             i_audio = i_id&0x07;
1306         }
1307         else if( (i_id&0xbdf0) == 0xbd80 )  /* a52 */
1308         {
1309             i_audio = i_id&0xf;
1310         }
1311         else if( (i_id&0xbdf0) == 0xbda0 )  /* lpcm */
1312         {
1313             i_audio = i_id&0x1f;
1314         }
1315         else if( ( i_id&0xe0 ) == 0xc0 )    /* mpga */
1316         {
1317             i_audio = i_id&0x1f;
1318         }
1319         if( i_audio >= 0 )
1320         {
1321             int i_lang = dvdnav_audio_stream_to_lang( p_sys->dvdnav, i_audio );
1322             if( i_lang != 0xffff )
1323             {
1324                 tk->fmt.psz_language = malloc( 3 );
1325                 tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1326                 tk->fmt.psz_language[1] = (i_lang     )&0xff;
1327                 tk->fmt.psz_language[2] = 0;
1328             }
1329             if( dvdnav_get_active_audio_stream( p_sys->dvdnav ) == i_audio )
1330             {
1331                 b_select = true;
1332             }
1333         }
1334     }
1335     else if( tk->fmt.i_cat == SPU_ES )
1336     {
1337         int32_t i_title, i_part;
1338         int i_lang = dvdnav_spu_stream_to_lang( p_sys->dvdnav, i_id&0x1f );
1339         if( i_lang != 0xffff )
1340         {
1341             tk->fmt.psz_language = malloc( 3 );
1342             tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1343             tk->fmt.psz_language[1] = (i_lang     )&0xff;
1344             tk->fmt.psz_language[2] = 0;
1345         }
1346
1347         /* Palette */
1348         tk->fmt.subs.spu.palette[0] = 0xBeef;
1349         memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
1350                 16 * sizeof( uint32_t ) );
1351
1352         /* We select only when we are not in the menu */
1353         dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1354         if( i_title > 0 &&
1355             dvdnav_get_active_spu_stream( p_sys->dvdnav ) == (i_id&0x1f) )
1356         {
1357             b_select = true;
1358         }
1359     }
1360
1361     tk->es = es_out_Add( p_demux->out, &tk->fmt );
1362     if( b_select )
1363     {
1364         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1365     }
1366     tk->b_seen = true;
1367
1368     if( tk->fmt.i_cat == VIDEO_ES ) ButtonUpdate( p_demux, false );
1369 }
1370
1371 /*****************************************************************************
1372  * Still image end
1373  *****************************************************************************/
1374 static void StillTimer( void *p_data )
1375 {
1376     demux_sys_t    *p_sys = p_data;
1377
1378     vlc_mutex_lock( &p_sys->still.lock );
1379     if( likely(p_sys->still.b_enabled) )
1380     {
1381         p_sys->still.b_enabled = false;
1382         dvdnav_still_skip( p_sys->dvdnav );
1383     }
1384     vlc_mutex_unlock( &p_sys->still.lock );
1385 }
1386
1387 static int EventMouse( vlc_object_t *p_vout, char const *psz_var,
1388                        vlc_value_t oldval, vlc_value_t val, void *p_data )
1389 {
1390     demux_t *p_demux = p_data;
1391     demux_sys_t *p_sys = p_demux->p_sys;
1392
1393     /* FIXME? PCI usage thread safe? */
1394     pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1395     int x = val.coords.x;
1396     int y = val.coords.y;
1397
1398     if( psz_var[6] == 'm' ) /* mouse-moved */
1399         dvdnav_mouse_select( p_sys->dvdnav, pci, x, y );
1400     else
1401     {
1402         assert( psz_var[6] == 'c' ); /* mouse-clicked */
1403
1404         ButtonUpdate( p_demux, true );
1405         dvdnav_mouse_activate( p_sys->dvdnav, pci, x, y );
1406     }
1407     (void)p_vout;
1408     (void)oldval;
1409     return VLC_SUCCESS;
1410 }
1411
1412 static int EventIntf( vlc_object_t *p_input, char const *psz_var,
1413                       vlc_value_t oldval, vlc_value_t val, void *p_data )
1414 {
1415     demux_t *p_demux = p_data;
1416     demux_sys_t *p_sys = p_demux->p_sys;
1417
1418     if (val.i_int == INPUT_EVENT_VOUT)
1419     {
1420         if( p_sys->p_vout != NULL )
1421         {
1422             var_DelCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
1423             var_DelCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
1424             vlc_object_release( p_sys->p_vout );
1425         }
1426
1427         p_sys->p_vout = input_GetVout( (input_thread_t *)p_input );
1428         if( p_sys->p_vout != NULL )
1429         {
1430             var_AddCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
1431             var_AddCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
1432         }
1433     }
1434     (void) psz_var; (void) oldval;
1435     return VLC_SUCCESS;
1436 }
1437
1438 /*****************************************************************************
1439  * ProbeDVD: very weak probing that avoids going too often into a dvdnav_open()
1440  *****************************************************************************/
1441 static int ProbeDVD( const char *psz_name )
1442 {
1443     if( !*psz_name )
1444         /* Triggers libdvdcss autodetection */
1445         return VLC_SUCCESS;
1446
1447     int fd = vlc_open( psz_name, O_RDONLY | O_NONBLOCK );
1448     if( fd == -1 )
1449 #ifdef HAVE_FDOPENDIR
1450         return VLC_EGENERIC;
1451 #else
1452         return (errno == ENOENT) ? VLC_EGENERIC : VLC_SUCCESS;
1453 #endif
1454
1455     int ret = VLC_EGENERIC;
1456     struct stat stat_info;
1457
1458     if( fstat( fd, &stat_info ) == -1 )
1459          goto bailout;
1460     if( !S_ISREG( stat_info.st_mode ) )
1461     {
1462         if( S_ISDIR( stat_info.st_mode ) || S_ISBLK( stat_info.st_mode ) )
1463             ret = VLC_SUCCESS; /* Let dvdnav_open() do the probing */
1464         goto bailout;
1465     }
1466
1467     /* ISO 9660 volume descriptor */
1468     char iso_dsc[6];
1469     if( lseek( fd, 0x8000 + 1, SEEK_SET ) == -1
1470      || read( fd, iso_dsc, sizeof (iso_dsc) ) < (int)sizeof (iso_dsc)
1471      || memcmp( iso_dsc, "CD001\x01", 6 ) )
1472         goto bailout;
1473
1474     /* Try to find the anchor (2 bytes at LBA 256) */
1475     uint16_t anchor;
1476
1477     if( lseek( fd, 256 * DVD_VIDEO_LB_LEN, SEEK_SET ) != -1
1478      && read( fd, &anchor, 2 ) == 2
1479      && GetWLE( &anchor ) == 2 )
1480         ret = VLC_SUCCESS; /* Found a potential anchor */
1481 bailout:
1482     close( fd );
1483     return ret;
1484 }