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 <unistd.h>
  42 #include <sys/types.h>
  43 #include <sys/stat.h>
  44 #include <fcntl.h>
  45 #include <errno.h>
  46
  47 #include <vlc_common.h>
  48 #include <vlc_plugin.h>
  49 #include <vlc_input.h>
  50 #include <vlc_access.h>
  51 #include <vlc_demux.h>
  52 #include <vlc_charset.h>
  53 #include <vlc_fs.h>
  54 #include <vlc_url.h>
  55 #include <vlc_vout.h>
  56 #include <vlc_dialog.h>
  57 #include <vlc_iso_lang.h>
  58
  59 /* FIXME we should find a better way than including that */
  60 #include "../../src/text/iso-639_def.h"
  61
  62
  63 #include <dvdnav/dvdnav.h>
  64
  65 #include "../demux/ps.h"
  66
  67 /*****************************************************************************
  68  * Module descriptor
  69  *****************************************************************************/
  70 #define ANGLE_TEXT N_("DVD angle")
  71 #define ANGLE_LONGTEXT N_( \
  72      "Default DVD angle." )
  73
  74 #define MENU_TEXT N_("Start directly in menu")
  75 #define MENU_LONGTEXT N_( \
  76     "Start the DVD directly in the main menu. This "\
  77     "will try to skip all the useless warning introductions." )
  78
  79 #define LANGUAGE_DEFAULT ("en")
  80
  81 static int  Open ( vlc_object_t * );
  82 static void Close( vlc_object_t * );
  83
  84 vlc_module_begin ()
  85     set_shortname( N_("DVD with menus") )
  86     set_description( N_("DVDnav Input") )
  87     set_category( CAT_INPUT )
  88     set_subcategory( SUBCAT_INPUT_ACCESS )
  89     add_integer( "dvdnav-angle", 1, ANGLE_TEXT,
  90         ANGLE_LONGTEXT, false )
  91     add_bool( "dvdnav-menu", true,
  92         MENU_TEXT, MENU_LONGTEXT, false )
  93     set_capability( "access_demux", 5 )
  94     add_shortcut( "dvd", "dvdnav", "file" )
  95     set_callbacks( Open, Close )
  96 vlc_module_end ()
  97
  98 /* Shall we use libdvdnav's read ahead cache? */
  99 #ifdef __OS2__
 100 #define DVD_READ_CACHE 0
 101 #else
 102 #define DVD_READ_CACHE 1
 103 #endif
 104
 105 /*****************************************************************************
 106  * Local prototypes
 107  *****************************************************************************/
 108 struct demux_sys_t
 109 {
 110     dvdnav_t    *dvdnav;
 111
 112     /* */
 113     bool        b_reset_pcr;
 114
 115     struct
 116     {
 117         bool         b_created;
 118         bool         b_enabled;
 119         vlc_mutex_t  lock;
 120         vlc_timer_t  timer;
 121     } still;
 122
 123     /* track */
 124     ps_track_t  tk[PS_TK_COUNT];
 125     int         i_mux_rate;
 126
 127     /* for spu variables */
 128     input_thread_t *p_input;
 129
 130     /* event */
 131     vout_thread_t *p_vout;
 132
 133     /* palette for menus */
 134     uint32_t clut[16];
 135     uint8_t  palette[4][4];
 136     bool b_spu_change;
 137
 138     /* Aspect ration */
 139     struct {
 140         unsigned i_num;
 141         unsigned i_den;
 142     } sar;
 143
 144     /* */
 145     int           i_title;
 146     input_title_t **title;
 147
 148     /* lenght of program group chain */
 149     mtime_t     i_pgc_length;
 150     int         i_vobu_index;
 151     int         i_vobu_flush;
 152 };
 153
 154 static int Control( demux_t *, int, va_list );
 155 static int Demux( demux_t * );
 156 static int DemuxBlock( demux_t *, const uint8_t *, int );
 157 static void DemuxForceStill( demux_t * );
 158
 159 static void DemuxTitles( demux_t * );
 160 static void ESSubtitleUpdate( demux_t * );
 161 static void ButtonUpdate( demux_t *, bool );
 162
 163 static void ESNew( demux_t *, int );
 164 static int ProbeDVD( const char * );
 165
 166 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var );
 167
 168 static int ControlInternal( demux_t *, int, ... );
 169
 170 static void StillTimer( void * );
 171
 172 static int EventMouse( vlc_object_t *, char const *,
 173                        vlc_value_t, vlc_value_t, void * );
 174 static int EventIntf( vlc_object_t *, char const *,
 175                       vlc_value_t, vlc_value_t, void * );
 176
 177 /*****************************************************************************
 178  * DemuxOpen:
 179  *****************************************************************************/
 180 static int Open( vlc_object_t *p_this )
 181 {
 182     demux_t     *p_demux = (demux_t*)p_this;
 183     demux_sys_t *p_sys;
 184     dvdnav_t    *p_dvdnav;
 185     int         i_angle;
 186     char        *psz_file;
 187     char        *psz_code;
 188     bool forced = false;
 189
 190     if( p_demux->psz_access != NULL
 191      && !strncmp(p_demux->psz_access, "dvd", 3) )
 192         forced = true;
 193
 194     if( !p_demux->psz_file || !*p_demux->psz_file )
 195     {
 196         /* Only when selected */
 197         if( !forced )
 198             return VLC_EGENERIC;
 199
 200         psz_file = var_InheritString( p_this, "dvd" );
 201     }
 202     else
 203         psz_file = strdup( p_demux->psz_file );
 204
 205 #if defined( _WIN32 ) || defined( __OS2__ )
 206     if( psz_file != NULL )
 207     {
 208         /* Remove trailing backslash, otherwise dvdnav_open will fail */
 209         size_t flen = strlen( psz_file );
 210         if( flen > 0 && psz_file[flen - 1] == '\\' )
 211             psz_file[flen - 1] = '\0';
 212     }
 213     else
 214         psz_file = strdup("");
 215 #endif
 216     if( unlikely(psz_file == NULL) )
 217         return VLC_EGENERIC;
 218
 219     /* Try some simple probing to avoid going through dvdnav_open too often */
 220     if( !forced && ProbeDVD( psz_file ) != VLC_SUCCESS )
 221     {
 222         free( psz_file );
 223         return VLC_EGENERIC;
 224     }
 225
 226     /* Open dvdnav */
 227     const char *psz_path = ToLocale( psz_file );
 228     if( dvdnav_open( &p_dvdnav, psz_path ) != DVDNAV_STATUS_OK )
 229         p_dvdnav = NULL;
 230     LocaleFree( psz_path );
 231     if( p_dvdnav == NULL )
 232     {
 233         msg_Warn( p_demux, "cannot open DVD (%s)", psz_file);
 234         free( psz_file );
 235         return VLC_EGENERIC;
 236     }
 237     free( psz_file );
 238
 239     /* Fill p_demux field */
 240     DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
 241     p_sys->dvdnav = p_dvdnav;
 242     p_sys->b_reset_pcr = false;
 243
 244     ps_track_init( p_sys->tk );
 245     p_sys->sar.i_num = 0;
 246     p_sys->sar.i_den = 0;
 247     p_sys->i_mux_rate = 0;
 248     p_sys->i_pgc_length = 0;
 249     p_sys->b_spu_change = false;
 250     p_sys->i_vobu_index = 0;
 251     p_sys->i_vobu_flush = 0;
 252
 253     if( 1 )
 254     {
 255         // Hack for libdvdnav CVS.
 256         // Without it dvdnav_get_number_of_titles() fails.
 257         // Remove when fixed in libdvdnav CVS.
 258         uint8_t buffer[DVD_VIDEO_LB_LEN];
 259         int i_event, i_len;
 260
 261         if( dvdnav_get_next_block( p_sys->dvdnav, buffer, &i_event, &i_len )
 262               == DVDNAV_STATUS_ERR )
 263         {
 264             msg_Warn( p_demux, "dvdnav_get_next_block failed" );
 265         }
 266
 267         dvdnav_sector_search( p_sys->dvdnav, 0, SEEK_SET );
 268     }
 269
 270     /* Configure dvdnav */
 271     if( dvdnav_set_readahead_flag( p_sys->dvdnav, DVD_READ_CACHE ) !=
 272           DVDNAV_STATUS_OK )
 273     {
 274         msg_Warn( p_demux, "cannot set read-a-head flag" );
 275     }
 276
 277     if( dvdnav_set_PGC_positioning_flag( p_sys->dvdnav, 1 ) !=
 278           DVDNAV_STATUS_OK )
 279     {
 280         msg_Warn( p_demux, "cannot set PGC positioning flag" );
 281     }
 282
 283     /* Set menu language */
 284     psz_code = DemuxGetLanguageCode( p_demux, "menu-language" );
 285     if( dvdnav_menu_language_select( p_sys->dvdnav, psz_code ) !=
 286         DVDNAV_STATUS_OK )
 287     {
 288         msg_Warn( p_demux, "can't set menu language to '%s' (%s)",
 289                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 290         /* We try to fall back to 'en' */
 291         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 292             dvdnav_menu_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 293     }
 294     free( psz_code );
 295
 296     /* Set audio language */
 297     psz_code = DemuxGetLanguageCode( p_demux, "audio-language" );
 298     if( dvdnav_audio_language_select( p_sys->dvdnav, psz_code ) !=
 299         DVDNAV_STATUS_OK )
 300     {
 301         msg_Warn( p_demux, "can't set audio language to '%s' (%s)",
 302                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 303         /* We try to fall back to 'en' */
 304         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 305             dvdnav_audio_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 306     }
 307     free( psz_code );
 308
 309     /* Set spu language */
 310     psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
 311     if( dvdnav_spu_language_select( p_sys->dvdnav, psz_code ) !=
 312         DVDNAV_STATUS_OK )
 313     {
 314         msg_Warn( p_demux, "can't set spu language to '%s' (%s)",
 315                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 316         /* We try to fall back to 'en' */
 317         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 318             dvdnav_spu_language_select(p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 319     }
 320     free( psz_code );
 321
 322     DemuxTitles( p_demux );
 323
 324     if( var_CreateGetBool( p_demux, "dvdnav-menu" ) )
 325     {
 326         msg_Dbg( p_demux, "trying to go to dvd menu" );
 327
 328         if( dvdnav_title_play( p_sys->dvdnav, 1 ) != DVDNAV_STATUS_OK )
 329         {
 330             msg_Err( p_demux, "cannot set title (can't decrypt DVD?)" );
 331             dialog_Fatal( p_demux, _("Playback failure"), "%s",
 332                             _("VLC cannot set the DVD's title. It possibly "
 333                               "cannot decrypt the entire disc.") );
 334             dvdnav_close( p_sys->dvdnav );
 335             free( p_sys );
 336             return VLC_EGENERIC;
 337         }
 338
 339         if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title ) !=
 340             DVDNAV_STATUS_OK )
 341         {
 342             /* Try going to menu root */
 343             if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root ) !=
 344                 DVDNAV_STATUS_OK )
 345                     msg_Warn( p_demux, "cannot go to dvd menu" );
 346         }
 347     }
 348
 349     i_angle = var_CreateGetInteger( p_demux, "dvdnav-angle" );
 350     if( i_angle <= 0 ) i_angle = 1;
 351
 352     /* FIXME hack hack hack hack FIXME */
 353     /* Get p_input and create variable */
 354     p_sys->p_input = demux_GetParentInput( p_demux );
 355     var_Create( p_sys->p_input, "x-start", VLC_VAR_INTEGER );
 356     var_Create( p_sys->p_input, "y-start", VLC_VAR_INTEGER );
 357     var_Create( p_sys->p_input, "x-end", VLC_VAR_INTEGER );
 358     var_Create( p_sys->p_input, "y-end", VLC_VAR_INTEGER );
 359     var_Create( p_sys->p_input, "color", VLC_VAR_ADDRESS );
 360     var_Create( p_sys->p_input, "menu-palette", VLC_VAR_ADDRESS );
 361     var_Create( p_sys->p_input, "highlight", VLC_VAR_BOOL );
 362
 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 still image handler */
 392     if( p_sys->still.b_created )
 393         vlc_timer_destroy( p_sys->still.timer );
 394     vlc_mutex_destroy( &p_sys->still.lock );
 395
 396     var_Destroy( p_sys->p_input, "highlight" );
 397     var_Destroy( p_sys->p_input, "x-start" );
 398     var_Destroy( p_sys->p_input, "x-end" );
 399     var_Destroy( p_sys->p_input, "y-start" );
 400     var_Destroy( p_sys->p_input, "y-end" );
 401     var_Destroy( p_sys->p_input, "color" );
 402     var_Destroy( p_sys->p_input, "menu-palette" );
 403
 404     vlc_object_release( p_sys->p_input );
 405
 406     for( int i = 0; i < PS_TK_COUNT; i++ )
 407     {
 408         ps_track_t *tk = &p_sys->tk[i];
 409         if( tk->b_seen )
 410         {
 411             es_format_Clean( &tk->fmt );
 412             if( tk->es ) es_out_Del( p_demux->out, tk->es );
 413         }
 414     }
 415
 416     /* Free the array of titles */
 417     for( int i = 0; i < p_sys->i_title; i++ )
 418         vlc_input_title_Delete( p_sys->title[i] );
 419     TAB_CLEAN( p_sys->i_title, p_sys->title );
 420
 421     dvdnav_close( p_sys->dvdnav );
 422     free( p_sys );
 423 }
 424
 425 /*****************************************************************************
 426  * Control:
 427  *****************************************************************************/
 428 static int Control( demux_t *p_demux, int i_query, va_list args )
 429 {
 430     demux_sys_t *p_sys = p_demux->p_sys;
 431     input_title_t ***ppp_title;
 432     int i;
 433
 434     switch( i_query )
 435     {
 436         case DEMUX_SET_POSITION:
 437         case DEMUX_GET_POSITION:
 438         case DEMUX_GET_TIME:
 439         case DEMUX_GET_LENGTH:
 440         {
 441             uint32_t pos, len;
 442             if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) !=
 443                   DVDNAV_STATUS_OK || len == 0 )
 444             {
 445                 return VLC_EGENERIC;
 446             }
 447
 448             switch( i_query )
 449             {
 450             case DEMUX_GET_POSITION:
 451                 *va_arg( args, double* ) = (double)pos / (double)len;
 452                 return VLC_SUCCESS;
 453
 454             case DEMUX_SET_POSITION:
 455                 pos = va_arg( args, double ) * len;
 456                 if( dvdnav_sector_search( p_sys->dvdnav, pos, SEEK_SET ) ==
 457                       DVDNAV_STATUS_OK )
 458                 {
 459                     return VLC_SUCCESS;
 460                 }
 461                 break;
 462
 463             case DEMUX_GET_TIME:
 464                 if( p_sys->i_pgc_length > 0 )
 465                 {
 466                     *va_arg( args, int64_t * ) = p_sys->i_pgc_length*pos/len;
 467                     return VLC_SUCCESS;
 468                 }
 469                 break;
 470
 471             case DEMUX_GET_LENGTH:
 472                 if( p_sys->i_pgc_length > 0 )
 473                 {
 474                     *va_arg( args, int64_t * ) = (int64_t)p_sys->i_pgc_length;
 475                     return VLC_SUCCESS;
 476                 }
 477                 break;
 478             }
 479             return VLC_EGENERIC;
 480         }
 481
 482         /* Special for access_demux */
 483         case DEMUX_CAN_PAUSE:
 484         case DEMUX_CAN_SEEK:
 485         case DEMUX_CAN_CONTROL_PACE:
 486             /* TODO */
 487             *va_arg( args, bool * ) = true;
 488             return VLC_SUCCESS;
 489
 490         case DEMUX_SET_PAUSE_STATE:
 491             return VLC_SUCCESS;
 492
 493         case DEMUX_GET_TITLE_INFO:
 494             ppp_title = va_arg( args, input_title_t*** );
 495             *va_arg( args, int* ) = p_sys->i_title;
 496             *va_arg( args, int* ) = 0; /* Title offset */
 497             *va_arg( args, int* ) = 1; /* Chapter offset */
 498
 499             /* Duplicate title infos */
 500             *ppp_title = malloc( p_sys->i_title * sizeof( input_title_t * ) );
 501             for( i = 0; i < p_sys->i_title; i++ )
 502             {
 503                 (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->title[i] );
 504             }
 505             return VLC_SUCCESS;
 506
 507         case DEMUX_SET_TITLE:
 508             i = (int)va_arg( args, int );
 509             if( ( i == 0 && dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root )
 510                   != DVDNAV_STATUS_OK ) ||
 511                 ( i != 0 && dvdnav_title_play( p_sys->dvdnav, i )
 512                   != DVDNAV_STATUS_OK ) )
 513             {
 514                 msg_Warn( p_demux, "cannot set title/chapter" );
 515                 return VLC_EGENERIC;
 516             }
 517             p_demux->info.i_update |=
 518                 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
 519             p_demux->info.i_title = i;
 520             p_demux->info.i_seekpoint = 0;
 521             return VLC_SUCCESS;
 522
 523         case DEMUX_SET_SEEKPOINT:
 524             i = va_arg( args, int );
 525             if( p_demux->info.i_title == 0 )
 526             {
 527                 static const int argtab[] = {
 528                     DVD_MENU_Escape,
 529                     DVD_MENU_Root,
 530                     DVD_MENU_Title,
 531                     DVD_MENU_Part,
 532                     DVD_MENU_Subpicture,
 533                     DVD_MENU_Audio,
 534                     DVD_MENU_Angle
 535                 };
 536                 enum { numargs = sizeof(argtab)/sizeof(int) };
 537                 if( (unsigned)i >= numargs || DVDNAV_STATUS_OK !=
 538                            dvdnav_menu_call(p_sys->dvdnav,argtab[i]) )
 539                     return VLC_EGENERIC;
 540             }
 541             else if( dvdnav_part_play( p_sys->dvdnav, p_demux->info.i_title,
 542                                        i + 1 ) != DVDNAV_STATUS_OK )
 543             {
 544                 msg_Warn( p_demux, "cannot set title/chapter" );
 545                 return VLC_EGENERIC;
 546             }
 547             p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 548             p_demux->info.i_seekpoint = i;
 549             return VLC_SUCCESS;
 550
 551         case DEMUX_GET_PTS_DELAY:
 552             *va_arg( args, int64_t * ) =
 553                 INT64_C(1000) * var_InheritInteger( p_demux, "disc-caching" );
 554             return VLC_SUCCESS;
 555
 556         case DEMUX_GET_META:
 557         {
 558             const char *title_name = NULL;
 559
 560             dvdnav_get_title_string(p_sys->dvdnav, &title_name);
 561             if( (NULL != title_name) && ('\0' != title_name[0]) )
 562             {
 563                 vlc_meta_t *p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
 564                 vlc_meta_Set( p_meta, vlc_meta_Title, title_name );
 565                 return VLC_SUCCESS;
 566             }
 567             return VLC_EGENERIC;
 568         }
 569
 570         case DEMUX_NAV_ACTIVATE:
 571         {
 572             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
 573
 574             ButtonUpdate( p_demux, true );
 575             dvdnav_button_activate( p_sys->dvdnav, pci );
 576             break;
 577         }
 578
 579         case DEMUX_NAV_UP:
 580         {
 581             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
 582
 583             dvdnav_upper_button_select( p_sys->dvdnav, pci );
 584             break;
 585         }
 586
 587         case DEMUX_NAV_DOWN:
 588         {
 589             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
 590
 591             dvdnav_lower_button_select( p_sys->dvdnav, pci );
 592             break;
 593         }
 594
 595         case DEMUX_NAV_LEFT:
 596         {
 597             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
 598
 599             dvdnav_left_button_select( p_sys->dvdnav, pci );
 600             break;
 601         }
 602
 603         case DEMUX_NAV_RIGHT:
 604         {
 605             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
 606
 607             dvdnav_right_button_select( p_sys->dvdnav, pci );
 608             break;
 609         }
 610
 611         /* TODO implement others */
 612         default:
 613             return VLC_EGENERIC;
 614     }
 615
 616     return VLC_SUCCESS;
 617 }
 618
 619 static int ControlInternal( demux_t *p_demux, int i_query, ... )
 620 {
 621     va_list args;
 622     int     i_result;
 623
 624     va_start( args, i_query );
 625     i_result = Control( p_demux, i_query, args );
 626     va_end( args );
 627
 628     return i_result;
 629 }
 630 /*****************************************************************************
 631  * Demux:
 632  *****************************************************************************/
 633 static int Demux( demux_t *p_demux )
 634 {
 635     demux_sys_t *p_sys = p_demux->p_sys;
 636
 637     uint8_t buffer[DVD_VIDEO_LB_LEN];
 638     uint8_t *packet = buffer;
 639     int i_event;
 640     int i_len;
 641
 642 #if DVD_READ_CACHE
 643     if( dvdnav_get_next_cache_block( p_sys->dvdnav, &packet, &i_event, &i_len )
 644         == DVDNAV_STATUS_ERR )
 645 #else
 646     if( dvdnav_get_next_block( p_sys->dvdnav, packet, &i_event, &i_len )
 647         == DVDNAV_STATUS_ERR )
 648 #endif
 649     {
 650         msg_Warn( p_demux, "cannot get next block (%s)",
 651                   dvdnav_err_to_string( p_sys->dvdnav ) );
 652         if( p_demux->info.i_title == 0 )
 653         {
 654             msg_Dbg( p_demux, "jumping to first title" );
 655             return ControlInternal( p_demux, DEMUX_SET_TITLE, 1 ) == VLC_SUCCESS ? 1 : -1;
 656         }
 657         return -1;
 658     }
 659
 660     switch( i_event )
 661     {
 662     case DVDNAV_BLOCK_OK:   /* mpeg block */
 663         vlc_mutex_lock( &p_sys->still.lock );
 664         vlc_timer_schedule( p_sys->still.timer, false, 0, 0 );
 665         p_sys->still.b_enabled = false;
 666         vlc_mutex_unlock( &p_sys->still.lock );
 667         if( p_sys->b_reset_pcr )
 668         {
 669             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 670             p_sys->b_reset_pcr = false;
 671         }
 672         DemuxBlock( p_demux, packet, i_len );
 673         if( p_sys->i_vobu_index > 0 )
 674         {
 675             if( p_sys->i_vobu_flush == p_sys->i_vobu_index )
 676                 DemuxForceStill( p_demux );
 677             p_sys->i_vobu_index++;
 678         }
 679         break;
 680
 681     case DVDNAV_NOP:    /* Nothing */
 682         msg_Dbg( p_demux, "DVDNAV_NOP" );
 683         break;
 684
 685     case DVDNAV_STILL_FRAME:
 686     {
 687         dvdnav_still_event_t *event = (dvdnav_still_event_t*)packet;
 688         bool b_still_init = false;
 689
 690         vlc_mutex_lock( &p_sys->still.lock );
 691         if( !p_sys->still.b_enabled )
 692         {
 693             msg_Dbg( p_demux, "DVDNAV_STILL_FRAME" );
 694             msg_Dbg( p_demux, "     - length=0x%x", event->length );
 695             p_sys->still.b_enabled = true;
 696
 697             if( event->length != 0xff && p_sys->still.b_created )
 698             {
 699                 mtime_t delay = event->length * CLOCK_FREQ;
 700                 vlc_timer_schedule( p_sys->still.timer, false, delay, 0 );
 701             }
 702
 703             b_still_init = true;
 704         }
 705         vlc_mutex_unlock( &p_sys->still.lock );
 706
 707         if( b_still_init )
 708         {
 709             DemuxForceStill( p_demux );
 710             p_sys->b_reset_pcr = true;
 711         }
 712         msleep( 40000 );
 713         break;
 714     }
 715
 716     case DVDNAV_SPU_CLUT_CHANGE:
 717     {
 718         int i;
 719
 720         msg_Dbg( p_demux, "DVDNAV_SPU_CLUT_CHANGE" );
 721         /* Update color lookup table (16 *uint32_t in packet) */
 722         memcpy( p_sys->clut, packet, 16 * sizeof( uint32_t ) );
 723
 724         /* HACK to get the SPU tracks registered in the right order */
 725         for( i = 0; i < 0x1f; i++ )
 726         {
 727             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 728                 ESNew( p_demux, 0xbd20 + i );
 729         }
 730         /* END HACK */
 731         break;
 732     }
 733
 734     case DVDNAV_SPU_STREAM_CHANGE:
 735     {
 736         dvdnav_spu_stream_change_event_t *event =
 737             (dvdnav_spu_stream_change_event_t*)packet;
 738         int i;
 739
 740         msg_Dbg( p_demux, "DVDNAV_SPU_STREAM_CHANGE" );
 741         msg_Dbg( p_demux, "     - physical_wide=%d",
 742                  event->physical_wide );
 743         msg_Dbg( p_demux, "     - physical_letterbox=%d",
 744                  event->physical_letterbox);
 745         msg_Dbg( p_demux, "     - physical_pan_scan=%d",
 746                  event->physical_pan_scan );
 747
 748         ESSubtitleUpdate( p_demux );
 749         p_sys->b_spu_change = true;
 750
 751         /* HACK to get the SPU tracks registered in the right order */
 752         for( i = 0; i < 0x1f; i++ )
 753         {
 754             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 755                 ESNew( p_demux, 0xbd20 + i );
 756         }
 757         /* END HACK */
 758         break;
 759     }
 760
 761     case DVDNAV_AUDIO_STREAM_CHANGE:
 762     {
 763         dvdnav_audio_stream_change_event_t *event =
 764             (dvdnav_audio_stream_change_event_t*)packet;
 765         msg_Dbg( p_demux, "DVDNAV_AUDIO_STREAM_CHANGE" );
 766         msg_Dbg( p_demux, "     - physical=%d", event->physical );
 767         /* TODO */
 768         break;
 769     }
 770
 771     case DVDNAV_VTS_CHANGE:
 772     {
 773         int32_t i_title = 0;
 774         int32_t i_part  = 0;
 775         int i;
 776
 777         dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t*)packet;
 778         msg_Dbg( p_demux, "DVDNAV_VTS_CHANGE" );
 779         msg_Dbg( p_demux, "     - vtsN=%d", event->new_vtsN );
 780         msg_Dbg( p_demux, "     - domain=%d", event->new_domain );
 781
 782         /* reset PCR */
 783         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 784
 785         for( i = 0; i < PS_TK_COUNT; i++ )
 786         {
 787             ps_track_t *tk = &p_sys->tk[i];
 788             if( tk->b_seen )
 789             {
 790                 es_format_Clean( &tk->fmt );
 791                 if( tk->es ) es_out_Del( p_demux->out, tk->es );
 792             }
 793             tk->b_seen = false;
 794         }
 795
 796         uint32_t i_width, i_height;
 797         if( dvdnav_get_video_resolution( p_sys->dvdnav,
 798                                          &i_width, &i_height ) )
 799             i_width = i_height = 0;
 800         switch( dvdnav_get_video_aspect( p_sys->dvdnav ) )
 801         {
 802         case 0:
 803             p_sys->sar.i_num = 4 * i_height;
 804             p_sys->sar.i_den = 3 * i_width;
 805             break;
 806         case 3:
 807             p_sys->sar.i_num = 16 * i_height;
 808             p_sys->sar.i_den =  9 * i_width;
 809             break;
 810         default:
 811             p_sys->sar.i_num = 0;
 812             p_sys->sar.i_den = 0;
 813             break;
 814         }
 815
 816         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 817                                        &i_part ) == DVDNAV_STATUS_OK )
 818         {
 819             if( i_title >= 0 && i_title < p_sys->i_title &&
 820                 p_demux->info.i_title != i_title )
 821             {
 822                 p_demux->info.i_update |= INPUT_UPDATE_TITLE;
 823                 p_demux->info.i_title = i_title;
 824             }
 825         }
 826         break;
 827     }
 828
 829     case DVDNAV_CELL_CHANGE:
 830     {
 831         int32_t i_title = 0;
 832         int32_t i_part  = 0;
 833
 834         dvdnav_cell_change_event_t *event =
 835             (dvdnav_cell_change_event_t*)packet;
 836         msg_Dbg( p_demux, "DVDNAV_CELL_CHANGE" );
 837         msg_Dbg( p_demux, "     - cellN=%d", event->cellN );
 838         msg_Dbg( p_demux, "     - pgN=%d", event->pgN );
 839         msg_Dbg( p_demux, "     - cell_length=%"PRId64, event->cell_length );
 840         msg_Dbg( p_demux, "     - pg_length=%"PRId64, event->pg_length );
 841         msg_Dbg( p_demux, "     - pgc_length=%"PRId64, event->pgc_length );
 842         msg_Dbg( p_demux, "     - cell_start=%"PRId64, event->cell_start );
 843         msg_Dbg( p_demux, "     - pg_start=%"PRId64, event->pg_start );
 844
 845         /* Store the lenght in time of the current PGC */
 846         p_sys->i_pgc_length = event->pgc_length / 90 * 1000;
 847         p_sys->i_vobu_index = 0;
 848         p_sys->i_vobu_flush = 0;
 849
 850         /* FIXME is it correct or there is better way to know chapter change */
 851         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 852                                        &i_part ) == DVDNAV_STATUS_OK )
 853         {
 854             if( i_title >= 0 && i_title < p_sys->i_title )
 855             {
 856                 p_demux->info.i_update |= INPUT_UPDATE_TITLE;
 857                 p_demux->info.i_title = i_title;
 858
 859                 if( i_part >= 1 && i_part <= p_sys->title[i_title]->i_seekpoint )
 860                 {
 861                     p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 862                     p_demux->info.i_seekpoint = i_part - 1;
 863                 }
 864             }
 865         }
 866         break;
 867     }
 868
 869     case DVDNAV_NAV_PACKET:
 870     {
 871         p_sys->i_vobu_index = 1;
 872         p_sys->i_vobu_flush = 0;
 873
 874         /* Look if we have need to force a flush (and when) */
 875         const pci_gi_t *p_pci_gi = &dvdnav_get_current_nav_pci( p_sys->dvdnav )->pci_gi;
 876         if( p_pci_gi->vobu_se_e_ptm != 0 && p_pci_gi->vobu_se_e_ptm < p_pci_gi->vobu_e_ptm )
 877         {
 878             const dsi_gi_t *p_dsi_gi = &dvdnav_get_current_nav_dsi( p_sys->dvdnav )->dsi_gi;
 879             if( p_dsi_gi->vobu_3rdref_ea != 0 )
 880                 p_sys->i_vobu_flush = p_dsi_gi->vobu_3rdref_ea;
 881             else if( p_dsi_gi->vobu_2ndref_ea != 0 )
 882                 p_sys->i_vobu_flush = p_dsi_gi->vobu_2ndref_ea;
 883             else if( p_dsi_gi->vobu_1stref_ea != 0 )
 884                 p_sys->i_vobu_flush = p_dsi_gi->vobu_1stref_ea;
 885         }
 886
 887 #ifdef DVDNAV_DEBUG
 888         msg_Dbg( p_demux, "DVDNAV_NAV_PACKET" );
 889 #endif
 890         /* A lot of thing to do here :
 891          *  - handle packet
 892          *  - fetch pts (for time display)
 893          *  - ...
 894          */
 895         DemuxBlock( p_demux, packet, i_len );
 896         if( p_sys->b_spu_change )
 897         {
 898             ButtonUpdate( p_demux, false );
 899             p_sys->b_spu_change = false;
 900         }
 901         break;
 902     }
 903
 904     case DVDNAV_STOP:   /* EOF */
 905         msg_Dbg( p_demux, "DVDNAV_STOP" );
 906
 907 #if DVD_READ_CACHE
 908         dvdnav_free_cache_block( p_sys->dvdnav, packet );
 909 #endif
 910         return 0;
 911
 912     case DVDNAV_HIGHLIGHT:
 913     {
 914         dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t*)packet;
 915         msg_Dbg( p_demux, "DVDNAV_HIGHLIGHT" );
 916         msg_Dbg( p_demux, "     - display=%d", event->display );
 917         msg_Dbg( p_demux, "     - buttonN=%d", event->buttonN );
 918         ButtonUpdate( p_demux, false );
 919         break;
 920     }
 921
 922     case DVDNAV_HOP_CHANNEL:
 923         msg_Dbg( p_demux, "DVDNAV_HOP_CHANNEL" );
 924         p_sys->i_vobu_index = 0;
 925         p_sys->i_vobu_flush = 0;
 926         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 927         break;
 928
 929     case DVDNAV_WAIT:
 930         msg_Dbg( p_demux, "DVDNAV_WAIT" );
 931
 932         bool b_empty;
 933         es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
 934         if( !b_empty )
 935         {
 936             msleep( 40*1000 );
 937         }
 938         else
 939         {
 940             dvdnav_wait_skip( p_sys->dvdnav );
 941             p_sys->b_reset_pcr = true;
 942         }
 943         break;
 944
 945     default:
 946         msg_Warn( p_demux, "Unknown event (0x%x)", i_event );
 947         break;
 948     }
 949
 950 #if DVD_READ_CACHE
 951     dvdnav_free_cache_block( p_sys->dvdnav, packet );
 952 #endif
 953
 954     return 1;
 955 }
 956
 957 /* Get a 2 char code
 958  * FIXME: partiallyy duplicated from src/input/es_out.c
 959  */
 960 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var )
 961 {
 962     const iso639_lang_t *pl;
 963     char *psz_lang;
 964     char *p;
 965
 966     psz_lang = var_CreateGetString( p_demux, psz_var );
 967     if( !psz_lang )
 968         return strdup(LANGUAGE_DEFAULT);
 969
 970     /* XXX: we will use only the first value
 971      * (and ignore other ones in case of a list) */
 972     if( ( p = strchr( psz_lang, ',' ) ) )
 973         *p = '\0';
 974
 975     for( pl = p_languages; pl->psz_eng_name != NULL; pl++ )
 976     {
 977         if( *psz_lang == '\0' )
 978             continue;
 979         if( !strcasecmp( pl->psz_eng_name, psz_lang ) ||
 980             !strcasecmp( pl->psz_iso639_1, psz_lang ) ||
 981             !strcasecmp( pl->psz_iso639_2T, psz_lang ) ||
 982             !strcasecmp( pl->psz_iso639_2B, psz_lang ) )
 983             break;
 984     }
 985
 986     free( psz_lang );
 987
 988     if( pl->psz_eng_name != NULL )
 989         return strdup( pl->psz_iso639_1 );
 990
 991     return strdup(LANGUAGE_DEFAULT);
 992 }
 993
 994 static void DemuxTitles( demux_t *p_demux )
 995 {
 996     demux_sys_t *p_sys = p_demux->p_sys;
 997     input_title_t *t;
 998     seekpoint_t *s;
 999     int32_t i_titles;
1000     int i;
1001
1002     /* Menu */
1003     t = vlc_input_title_New();
1004     t->b_menu = true;
1005     t->psz_name = strdup( "DVD Menu" );
1006
1007     s = vlc_seekpoint_New();
1008     s->psz_name = strdup( "Resume" );
1009     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1010
1011     s = vlc_seekpoint_New();
1012     s->psz_name = strdup( "Root" );
1013     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1014
1015     s = vlc_seekpoint_New();
1016     s->psz_name = strdup( "Title" );
1017     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1018
1019     s = vlc_seekpoint_New();
1020     s->psz_name = strdup( "Chapter" );
1021     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1022
1023     s = vlc_seekpoint_New();
1024     s->psz_name = strdup( "Subtitle" );
1025     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1026
1027     s = vlc_seekpoint_New();
1028     s->psz_name = strdup( "Audio" );
1029     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1030
1031     s = vlc_seekpoint_New();
1032     s->psz_name = strdup( "Angle" );
1033     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1034
1035     TAB_APPEND( p_sys->i_title, p_sys->title, t );
1036
1037     /* Find out number of titles/chapters */
1038     dvdnav_get_number_of_titles( p_sys->dvdnav, &i_titles );
1039
1040     if( i_titles > 90 )
1041         msg_Err( p_demux, "This is probably an Arccos Protected DVD. This could take time..." );
1042
1043     for( i = 1; i <= i_titles; i++ )
1044     {
1045         int32_t i_chapters;
1046         uint64_t i_title_length;
1047         uint64_t *p_chapters_time;
1048
1049         i_chapters = dvdnav_describe_title_chapters( p_sys->dvdnav, i,
1050                                                      &p_chapters_time,
1051                                                      &i_title_length );
1052         if( i_chapters < 1 )
1053         {
1054             i_title_length = 0;
1055             p_chapters_time = NULL;
1056         }
1057         t = vlc_input_title_New();
1058         t->i_length = i_title_length * 1000 / 90;
1059         for( int j = 0; j < __MAX( i_chapters, 1 ); j++ )
1060         {
1061             s = vlc_seekpoint_New();
1062             if( p_chapters_time )
1063                 s->i_time_offset = p_chapters_time[j] * 1000 / 90;
1064             TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1065         }
1066         free( p_chapters_time );
1067         TAB_APPEND( p_sys->i_title, p_sys->title, t );
1068     }
1069 }
1070
1071 /*****************************************************************************
1072  * Update functions:
1073  *****************************************************************************/
1074 static void ButtonUpdate( demux_t *p_demux, bool b_mode )
1075 {
1076     demux_sys_t *p_sys = p_demux->p_sys;
1077     int32_t i_title, i_part;
1078
1079     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1080
1081     dvdnav_highlight_area_t hl;
1082     int32_t i_button;
1083     bool    b_button_ok;
1084
1085     if( dvdnav_get_current_highlight( p_sys->dvdnav, &i_button )
1086         != DVDNAV_STATUS_OK )
1087     {
1088         msg_Err( p_demux, "dvdnav_get_current_highlight failed" );
1089         return;
1090     }
1091
1092     b_button_ok = false;
1093     if( i_button > 0 && i_title ==  0 )
1094     {
1095         pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1096
1097         b_button_ok = DVDNAV_STATUS_OK ==
1098                   dvdnav_get_highlight_area( pci, i_button, b_mode, &hl );
1099     }
1100
1101     if( b_button_ok )
1102     {
1103         for( unsigned i = 0; i < 4; i++ )
1104         {
1105             uint32_t i_yuv = p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
1106             uint8_t i_alpha = ( (hl.palette>>(i*4))&0x0f ) * 0xff / 0xf;
1107
1108             p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
1109             p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
1110             p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
1111             p_sys->palette[i][3] = i_alpha;
1112         }
1113
1114         vlc_global_lock( VLC_HIGHLIGHT_MUTEX );
1115         var_SetInteger( p_sys->p_input, "x-start", hl.sx );
1116         var_SetInteger( p_sys->p_input, "x-end",  hl.ex );
1117         var_SetInteger( p_sys->p_input, "y-start", hl.sy );
1118         var_SetInteger( p_sys->p_input, "y-end", hl.ey );
1119
1120         var_SetAddress( p_sys->p_input, "menu-palette", p_sys->palette );
1121         var_SetBool( p_sys->p_input, "highlight", true );
1122
1123         msg_Dbg( p_demux, "buttonUpdate %d", i_button );
1124     }
1125     else
1126     {
1127         msg_Dbg( p_demux, "buttonUpdate not done b=%d t=%d",
1128                  i_button, i_title );
1129
1130         /* Show all */
1131         vlc_global_lock( VLC_HIGHLIGHT_MUTEX );
1132         var_SetBool( p_sys->p_input, "highlight", false );
1133     }
1134     vlc_global_unlock( VLC_HIGHLIGHT_MUTEX );
1135 }
1136
1137 static void ESSubtitleUpdate( demux_t *p_demux )
1138 {
1139     demux_sys_t *p_sys = p_demux->p_sys;
1140     int         i_spu = dvdnav_get_active_spu_stream( p_sys->dvdnav );
1141     int32_t i_title, i_part;
1142
1143     ButtonUpdate( p_demux, false );
1144
1145     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1146     if( i_title > 0 ) return;
1147
1148     if( i_spu >= 0 && i_spu <= 0x1f )
1149     {
1150         ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1151
1152         ESNew( p_demux, 0xbd20 + i_spu );
1153
1154         /* be sure to unselect it (reset) */
1155         es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1156                         (bool)false );
1157
1158         /* now select it */
1159         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1160     }
1161     else
1162     {
1163         for( i_spu = 0; i_spu <= 0x1F; i_spu++ )
1164         {
1165             ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1166             if( tk->b_seen )
1167             {
1168                 es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1169                                 (bool)false );
1170             }
1171         }
1172     }
1173 }
1174
1175 /*****************************************************************************
1176  * DemuxBlock: demux a given block
1177  *****************************************************************************/
1178 static int DemuxBlock( demux_t *p_demux, const uint8_t *p, int len )
1179 {
1180     demux_sys_t *p_sys = p_demux->p_sys;
1181
1182     while( len > 0 )
1183     {
1184         int i_size = ps_pkt_size( p, len );
1185         if( i_size <= 0 || i_size > len )
1186         {
1187             break;
1188         }
1189
1190         /* Create a block */
1191         block_t *p_pkt = block_Alloc( i_size );
1192         memcpy( p_pkt->p_buffer, p, i_size);
1193
1194         /* Parse it and send it */
1195         switch( 0x100 | p[3] )
1196         {
1197         case 0x1b9:
1198         case 0x1bb:
1199         case 0x1bc:
1200 #ifdef DVDNAV_DEBUG
1201             if( p[3] == 0xbc )
1202             {
1203                 msg_Warn( p_demux, "received a PSM packet" );
1204             }
1205             else if( p[3] == 0xbb )
1206             {
1207                 msg_Warn( p_demux, "received a SYSTEM packet" );
1208             }
1209 #endif
1210             block_Release( p_pkt );
1211             break;
1212
1213         case 0x1ba:
1214         {
1215             int64_t i_scr;
1216             int i_mux_rate;
1217             if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
1218             {
1219                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr + 1 );
1220                 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
1221             }
1222             block_Release( p_pkt );
1223             break;
1224         }
1225         default:
1226         {
1227             int i_id = ps_pkt_id( p_pkt );
1228             if( i_id >= 0xc0 )
1229             {
1230                 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1231
1232                 if( !tk->b_seen )
1233                 {
1234                     ESNew( p_demux, i_id );
1235                 }
1236                 if( tk->b_seen && tk->es &&
1237                     !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
1238                 {
1239                     es_out_Send( p_demux->out, tk->es, p_pkt );
1240                 }
1241                 else
1242                 {
1243                     block_Release( p_pkt );
1244                 }
1245             }
1246             else
1247             {
1248                 block_Release( p_pkt );
1249             }
1250             break;
1251         }
1252         }
1253
1254         p += i_size;
1255         len -= i_size;
1256     }
1257
1258     return VLC_SUCCESS;
1259 }
1260
1261 /*****************************************************************************
1262  * Force still images to be displayed by sending EOS and stopping buffering.
1263  *****************************************************************************/
1264 static void DemuxForceStill( demux_t *p_demux )
1265 {
1266     static const uint8_t buffer[] = {
1267         0x00, 0x00, 0x01, 0xe0, 0x00, 0x07,
1268         0x80, 0x00, 0x00,
1269         0x00, 0x00, 0x01, 0xB7,
1270     };
1271     DemuxBlock( p_demux, buffer, sizeof(buffer) );
1272
1273     bool b_empty;
1274     es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
1275 }
1276
1277 /*****************************************************************************
1278  * ESNew: register a new elementary stream
1279  *****************************************************************************/
1280 static void ESNew( demux_t *p_demux, int i_id )
1281 {
1282     demux_sys_t *p_sys = p_demux->p_sys;
1283     ps_track_t  *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1284     bool  b_select = false;
1285
1286     if( tk->b_seen ) return;
1287
1288     if( ps_track_fill( tk, 0, i_id, NULL ) )
1289     {
1290         msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
1291         return;
1292     }
1293
1294     /* Add a new ES */
1295     if( tk->fmt.i_cat == VIDEO_ES )
1296     {
1297         tk->fmt.video.i_sar_num = p_sys->sar.i_num;
1298         tk->fmt.video.i_sar_den = p_sys->sar.i_den;
1299         b_select = true;
1300     }
1301     else if( tk->fmt.i_cat == AUDIO_ES )
1302     {
1303         int i_audio = -1;
1304         /* find the audio number PLEASE find another way */
1305         if( (i_id&0xbdf8) == 0xbd88 )       /* dts */
1306         {
1307             i_audio = i_id&0x07;
1308         }
1309         else if( (i_id&0xbdf0) == 0xbd80 )  /* a52 */
1310         {
1311             i_audio = i_id&0xf;
1312         }
1313         else if( (i_id&0xbdf0) == 0xbda0 )  /* lpcm */
1314         {
1315             i_audio = i_id&0x1f;
1316         }
1317         else if( ( i_id&0xe0 ) == 0xc0 )    /* mpga */
1318         {
1319             i_audio = i_id&0x1f;
1320         }
1321         if( i_audio >= 0 )
1322         {
1323             int i_lang = dvdnav_audio_stream_to_lang( p_sys->dvdnav, i_audio );
1324             if( i_lang != 0xffff )
1325             {
1326                 tk->fmt.psz_language = malloc( 3 );
1327                 tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1328                 tk->fmt.psz_language[1] = (i_lang     )&0xff;
1329                 tk->fmt.psz_language[2] = 0;
1330             }
1331             if( dvdnav_get_active_audio_stream( p_sys->dvdnav ) == i_audio )
1332             {
1333                 b_select = true;
1334             }
1335         }
1336     }
1337     else if( tk->fmt.i_cat == SPU_ES )
1338     {
1339         int32_t i_title, i_part;
1340         int i_lang = dvdnav_spu_stream_to_lang( p_sys->dvdnav, i_id&0x1f );
1341         if( i_lang != 0xffff )
1342         {
1343             tk->fmt.psz_language = malloc( 3 );
1344             tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1345             tk->fmt.psz_language[1] = (i_lang     )&0xff;
1346             tk->fmt.psz_language[2] = 0;
1347         }
1348
1349         /* Palette */
1350         tk->fmt.subs.spu.palette[0] = 0xBeef;
1351         memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
1352                 16 * sizeof( uint32_t ) );
1353
1354         /* We select only when we are not in the menu */
1355         dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1356         if( i_title > 0 &&
1357             dvdnav_get_active_spu_stream( p_sys->dvdnav ) == (i_id&0x1f) )
1358         {
1359             b_select = true;
1360         }
1361     }
1362
1363     tk->es = es_out_Add( p_demux->out, &tk->fmt );
1364     if( b_select )
1365     {
1366         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1367     }
1368     tk->b_seen = true;
1369
1370     if( tk->fmt.i_cat == VIDEO_ES ) ButtonUpdate( p_demux, false );
1371 }
1372
1373 /*****************************************************************************
1374  * Still image end
1375  *****************************************************************************/
1376 static void StillTimer( void *p_data )
1377 {
1378     demux_sys_t    *p_sys = p_data;
1379
1380     vlc_mutex_lock( &p_sys->still.lock );
1381     if( likely(p_sys->still.b_enabled) )
1382     {
1383         p_sys->still.b_enabled = false;
1384         dvdnav_still_skip( p_sys->dvdnav );
1385     }
1386     vlc_mutex_unlock( &p_sys->still.lock );
1387 }
1388
1389 static int EventMouse( vlc_object_t *p_vout, char const *psz_var,
1390                        vlc_value_t oldval, vlc_value_t val, void *p_data )
1391 {
1392     demux_t *p_demux = p_data;
1393     demux_sys_t *p_sys = p_demux->p_sys;
1394
1395     /* FIXME? PCI usage thread safe? */
1396     pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1397     int x = val.coords.x;
1398     int y = val.coords.y;
1399
1400     if( psz_var[6] == 'm' ) /* mouse-moved */
1401         dvdnav_mouse_select( p_sys->dvdnav, pci, x, y );
1402     else
1403     {
1404         assert( psz_var[6] == 'c' ); /* mouse-clicked */
1405
1406         ButtonUpdate( p_demux, true );
1407         dvdnav_mouse_activate( p_sys->dvdnav, pci, x, y );
1408     }
1409     (void)p_vout;
1410     (void)oldval;
1411     return VLC_SUCCESS;
1412 }
1413
1414 static int EventIntf( vlc_object_t *p_input, char const *psz_var,
1415                       vlc_value_t oldval, vlc_value_t val, void *p_data )
1416 {
1417     demux_t *p_demux = p_data;
1418     demux_sys_t *p_sys = p_demux->p_sys;
1419
1420     if (val.i_int == INPUT_EVENT_VOUT)
1421     {
1422         if( p_sys->p_vout != NULL )
1423         {
1424             var_DelCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
1425             var_DelCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
1426             vlc_object_release( p_sys->p_vout );
1427         }
1428
1429         p_sys->p_vout = input_GetVout( (input_thread_t *)p_input );
1430         if( p_sys->p_vout != NULL )
1431         {
1432             var_AddCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
1433             var_AddCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
1434         }
1435     }
1436     (void) psz_var; (void) oldval;
1437     return VLC_SUCCESS;
1438 }
1439
1440 /*****************************************************************************
1441  * ProbeDVD: very weak probing that avoids going too often into a dvdnav_open()
1442  *****************************************************************************/
1443 static int ProbeDVD( const char *psz_name )
1444 {
1445     if( !*psz_name )
1446         /* Triggers libdvdcss autodetection */
1447         return VLC_SUCCESS;
1448
1449     int fd = vlc_open( psz_name, O_RDONLY | O_NONBLOCK );
1450     if( fd == -1 )
1451 #ifdef HAVE_FDOPENDIR
1452         return VLC_EGENERIC;
1453 #else
1454         return (errno == ENOENT) ? VLC_EGENERIC : VLC_SUCCESS;
1455 #endif
1456
1457     int ret = VLC_EGENERIC;
1458     struct stat stat_info;
1459
1460     if( fstat( fd, &stat_info ) == -1 )
1461          goto bailout;
1462     if( !S_ISREG( stat_info.st_mode ) )
1463     {
1464         if( S_ISDIR( stat_info.st_mode ) || S_ISBLK( stat_info.st_mode ) )
1465             ret = VLC_SUCCESS; /* Let dvdnav_open() do the probing */
1466         goto bailout;
1467     }
1468
1469     /* ISO 9660 volume descriptor */
1470     char iso_dsc[6];
1471     if( lseek( fd, 0x8000 + 1, SEEK_SET ) == -1
1472      || read( fd, iso_dsc, sizeof (iso_dsc) ) < (int)sizeof (iso_dsc)
1473      || memcmp( iso_dsc, "CD001\x01", 6 ) )
1474         goto bailout;
1475
1476     /* Try to find the anchor (2 bytes at LBA 256) */
1477     uint16_t anchor;
1478
1479     if( lseek( fd, 256 * DVD_VIDEO_LB_LEN, SEEK_SET ) != -1
1480      && read( fd, &anchor, 2 ) == 2
1481      && GetWLE( &anchor ) == 2 )
1482         ret = VLC_SUCCESS; /* Found a potential anchor */
1483 bailout:
1484     close( fd );
1485     return ret;
1486 }