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 #if defined(HAVE_DVDNAV_GET_VIDEO_RESOLUTION)
 797         uint32_t i_width, i_height;
 798         if( dvdnav_get_video_resolution( p_sys->dvdnav,
 799                                          &i_width, &i_height ) )
 800             i_width = i_height = 0;
 801         switch( dvdnav_get_video_aspect( p_sys->dvdnav ) )
 802         {
 803         case 0:
 804             p_sys->sar.i_num = 4 * i_height;
 805             p_sys->sar.i_den = 3 * i_width;
 806             break;
 807         case 3:
 808             p_sys->sar.i_num = 16 * i_height;
 809             p_sys->sar.i_den =  9 * i_width;
 810             break;
 811         default:
 812             p_sys->sar.i_num = 0;
 813             p_sys->sar.i_den = 0;
 814             break;
 815         }
 816 #endif
 817
 818         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 819                                        &i_part ) == DVDNAV_STATUS_OK )
 820         {
 821             if( i_title >= 0 && i_title < p_sys->i_title &&
 822                 p_demux->info.i_title != i_title )
 823             {
 824                 p_demux->info.i_update |= INPUT_UPDATE_TITLE;
 825                 p_demux->info.i_title = i_title;
 826             }
 827         }
 828         break;
 829     }
 830
 831     case DVDNAV_CELL_CHANGE:
 832     {
 833         int32_t i_title = 0;
 834         int32_t i_part  = 0;
 835
 836         dvdnav_cell_change_event_t *event =
 837             (dvdnav_cell_change_event_t*)packet;
 838         msg_Dbg( p_demux, "DVDNAV_CELL_CHANGE" );
 839         msg_Dbg( p_demux, "     - cellN=%d", event->cellN );
 840         msg_Dbg( p_demux, "     - pgN=%d", event->pgN );
 841         msg_Dbg( p_demux, "     - cell_length=%"PRId64, event->cell_length );
 842         msg_Dbg( p_demux, "     - pg_length=%"PRId64, event->pg_length );
 843         msg_Dbg( p_demux, "     - pgc_length=%"PRId64, event->pgc_length );
 844         msg_Dbg( p_demux, "     - cell_start=%"PRId64, event->cell_start );
 845         msg_Dbg( p_demux, "     - pg_start=%"PRId64, event->pg_start );
 846
 847         /* Store the lenght in time of the current PGC */
 848         p_sys->i_pgc_length = event->pgc_length / 90 * 1000;
 849         p_sys->i_vobu_index = 0;
 850         p_sys->i_vobu_flush = 0;
 851
 852         /* FIXME is it correct or there is better way to know chapter change */
 853         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 854                                        &i_part ) == DVDNAV_STATUS_OK )
 855         {
 856             if( i_title >= 0 && i_title < p_sys->i_title )
 857             {
 858                 p_demux->info.i_update |= INPUT_UPDATE_TITLE;
 859                 p_demux->info.i_title = i_title;
 860
 861                 if( i_part >= 1 && i_part <= p_sys->title[i_title]->i_seekpoint &&
 862                         p_demux->info.i_seekpoint != i_part - 1 )
 863                 {
 864                     p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 865                     p_demux->info.i_seekpoint = i_part - 1;
 866                 }
 867             }
 868         }
 869         break;
 870     }
 871
 872     case DVDNAV_NAV_PACKET:
 873     {
 874         p_sys->i_vobu_index = 1;
 875         p_sys->i_vobu_flush = 0;
 876
 877         /* Look if we have need to force a flush (and when) */
 878         const pci_gi_t *p_pci_gi = &dvdnav_get_current_nav_pci( p_sys->dvdnav )->pci_gi;
 879         if( p_pci_gi->vobu_se_e_ptm != 0 && p_pci_gi->vobu_se_e_ptm < p_pci_gi->vobu_e_ptm )
 880         {
 881             const dsi_gi_t *p_dsi_gi = &dvdnav_get_current_nav_dsi( p_sys->dvdnav )->dsi_gi;
 882             if( p_dsi_gi->vobu_3rdref_ea != 0 )
 883                 p_sys->i_vobu_flush = p_dsi_gi->vobu_3rdref_ea;
 884             else if( p_dsi_gi->vobu_2ndref_ea != 0 )
 885                 p_sys->i_vobu_flush = p_dsi_gi->vobu_2ndref_ea;
 886             else if( p_dsi_gi->vobu_1stref_ea != 0 )
 887                 p_sys->i_vobu_flush = p_dsi_gi->vobu_1stref_ea;
 888         }
 889
 890 #ifdef DVDNAV_DEBUG
 891         msg_Dbg( p_demux, "DVDNAV_NAV_PACKET" );
 892 #endif
 893         /* A lot of thing to do here :
 894          *  - handle packet
 895          *  - fetch pts (for time display)
 896          *  - ...
 897          */
 898         DemuxBlock( p_demux, packet, i_len );
 899         if( p_sys->b_spu_change )
 900         {
 901             ButtonUpdate( p_demux, false );
 902             p_sys->b_spu_change = false;
 903         }
 904         break;
 905     }
 906
 907     case DVDNAV_STOP:   /* EOF */
 908         msg_Dbg( p_demux, "DVDNAV_STOP" );
 909
 910 #if DVD_READ_CACHE
 911         dvdnav_free_cache_block( p_sys->dvdnav, packet );
 912 #endif
 913         return 0;
 914
 915     case DVDNAV_HIGHLIGHT:
 916     {
 917         dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t*)packet;
 918         msg_Dbg( p_demux, "DVDNAV_HIGHLIGHT" );
 919         msg_Dbg( p_demux, "     - display=%d", event->display );
 920         msg_Dbg( p_demux, "     - buttonN=%d", event->buttonN );
 921         ButtonUpdate( p_demux, false );
 922         break;
 923     }
 924
 925     case DVDNAV_HOP_CHANNEL:
 926         msg_Dbg( p_demux, "DVDNAV_HOP_CHANNEL" );
 927         p_sys->i_vobu_index = 0;
 928         p_sys->i_vobu_flush = 0;
 929         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 930         break;
 931
 932     case DVDNAV_WAIT:
 933         msg_Dbg( p_demux, "DVDNAV_WAIT" );
 934
 935         bool b_empty;
 936         es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
 937         if( !b_empty )
 938         {
 939             msleep( 40*1000 );
 940         }
 941         else
 942         {
 943             dvdnav_wait_skip( p_sys->dvdnav );
 944             p_sys->b_reset_pcr = true;
 945         }
 946         break;
 947
 948     default:
 949         msg_Warn( p_demux, "Unknown event (0x%x)", i_event );
 950         break;
 951     }
 952
 953 #if DVD_READ_CACHE
 954     dvdnav_free_cache_block( p_sys->dvdnav, packet );
 955 #endif
 956
 957     return 1;
 958 }
 959
 960 /* Get a 2 char code
 961  * FIXME: partiallyy duplicated from src/input/es_out.c
 962  */
 963 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var )
 964 {
 965     const iso639_lang_t *pl;
 966     char *psz_lang;
 967     char *p;
 968
 969     psz_lang = var_CreateGetString( p_demux, psz_var );
 970     if( !psz_lang )
 971         return strdup(LANGUAGE_DEFAULT);
 972
 973     /* XXX: we will use only the first value
 974      * (and ignore other ones in case of a list) */
 975     if( ( p = strchr( psz_lang, ',' ) ) )
 976         *p = '\0';
 977
 978     for( pl = p_languages; pl->psz_eng_name != NULL; pl++ )
 979     {
 980         if( *psz_lang == '\0' )
 981             continue;
 982         if( !strcasecmp( pl->psz_eng_name, psz_lang ) ||
 983             !strcasecmp( pl->psz_iso639_1, psz_lang ) ||
 984             !strcasecmp( pl->psz_iso639_2T, psz_lang ) ||
 985             !strcasecmp( pl->psz_iso639_2B, psz_lang ) )
 986             break;
 987     }
 988
 989     free( psz_lang );
 990
 991     if( pl->psz_eng_name != NULL )
 992         return strdup( pl->psz_iso639_1 );
 993
 994     return strdup(LANGUAGE_DEFAULT);
 995 }
 996
 997 static void DemuxTitles( demux_t *p_demux )
 998 {
 999     demux_sys_t *p_sys = p_demux->p_sys;
1000     input_title_t *t;
1001     seekpoint_t *s;
1002     int32_t i_titles;
1003     int i;
1004
1005     /* Menu */
1006     t = vlc_input_title_New();
1007     t->b_menu = true;
1008     t->psz_name = strdup( "DVD Menu" );
1009
1010     s = vlc_seekpoint_New();
1011     s->psz_name = strdup( "Resume" );
1012     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1013
1014     s = vlc_seekpoint_New();
1015     s->psz_name = strdup( "Root" );
1016     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1017
1018     s = vlc_seekpoint_New();
1019     s->psz_name = strdup( "Title" );
1020     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1021
1022     s = vlc_seekpoint_New();
1023     s->psz_name = strdup( "Chapter" );
1024     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1025
1026     s = vlc_seekpoint_New();
1027     s->psz_name = strdup( "Subtitle" );
1028     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1029
1030     s = vlc_seekpoint_New();
1031     s->psz_name = strdup( "Audio" );
1032     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1033
1034     s = vlc_seekpoint_New();
1035     s->psz_name = strdup( "Angle" );
1036     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1037
1038     TAB_APPEND( p_sys->i_title, p_sys->title, t );
1039
1040     /* Find out number of titles/chapters */
1041     dvdnav_get_number_of_titles( p_sys->dvdnav, &i_titles );
1042     for( i = 1; i <= i_titles; i++ )
1043     {
1044         int32_t i_chapters;
1045         uint64_t i_title_length;
1046         uint64_t *p_chapters_time;
1047
1048 #if defined(HAVE_DVDNAV_DESCRIBE_TITLE_CHAPTERS)
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 #else
1058         if( dvdnav_get_number_of_parts( p_sys->dvdnav, i, &i_chapters ) != DVDNAV_STATUS_OK )
1059             i_chapters = 0;
1060         i_title_length = 0;
1061         p_chapters_time = NULL;
1062 #endif
1063         t = vlc_input_title_New();
1064         t->i_length = i_title_length * 1000 / 90;
1065         for( int j = 0; j < __MAX( i_chapters, 1 ); j++ )
1066         {
1067             s = vlc_seekpoint_New();
1068             if( p_chapters_time )
1069                 s->i_time_offset = p_chapters_time[j] * 1000 / 90;
1070             TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1071         }
1072         free( p_chapters_time );
1073         TAB_APPEND( p_sys->i_title, p_sys->title, t );
1074     }
1075 }
1076
1077 /*****************************************************************************
1078  * Update functions:
1079  *****************************************************************************/
1080 static void ButtonUpdate( demux_t *p_demux, bool b_mode )
1081 {
1082     demux_sys_t *p_sys = p_demux->p_sys;
1083     int32_t i_title, i_part;
1084
1085     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1086
1087     dvdnav_highlight_area_t hl;
1088     int32_t i_button;
1089     bool    b_button_ok;
1090
1091     if( dvdnav_get_current_highlight( p_sys->dvdnav, &i_button )
1092         != DVDNAV_STATUS_OK )
1093     {
1094         msg_Err( p_demux, "dvdnav_get_current_highlight failed" );
1095         return;
1096     }
1097
1098     b_button_ok = false;
1099     if( i_button > 0 && i_title ==  0 )
1100     {
1101         pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1102
1103         b_button_ok = DVDNAV_STATUS_OK ==
1104                   dvdnav_get_highlight_area( pci, i_button, b_mode, &hl );
1105     }
1106
1107     if( b_button_ok )
1108     {
1109         for( unsigned i = 0; i < 4; i++ )
1110         {
1111             uint32_t i_yuv = p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
1112             uint8_t i_alpha = ( (hl.palette>>(i*4))&0x0f ) * 0xff / 0xf;
1113
1114             p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
1115             p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
1116             p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
1117             p_sys->palette[i][3] = i_alpha;
1118         }
1119
1120         vlc_global_lock( VLC_HIGHLIGHT_MUTEX );
1121         var_SetInteger( p_sys->p_input, "x-start", hl.sx );
1122         var_SetInteger( p_sys->p_input, "x-end",  hl.ex );
1123         var_SetInteger( p_sys->p_input, "y-start", hl.sy );
1124         var_SetInteger( p_sys->p_input, "y-end", hl.ey );
1125
1126         var_SetAddress( p_sys->p_input, "menu-palette", p_sys->palette );
1127         var_SetBool( p_sys->p_input, "highlight", true );
1128
1129         msg_Dbg( p_demux, "buttonUpdate %d", i_button );
1130     }
1131     else
1132     {
1133         msg_Dbg( p_demux, "buttonUpdate not done b=%d t=%d",
1134                  i_button, i_title );
1135
1136         /* Show all */
1137         vlc_global_lock( VLC_HIGHLIGHT_MUTEX );
1138         var_SetBool( p_sys->p_input, "highlight", false );
1139     }
1140     vlc_global_unlock( VLC_HIGHLIGHT_MUTEX );
1141 }
1142
1143 static void ESSubtitleUpdate( demux_t *p_demux )
1144 {
1145     demux_sys_t *p_sys = p_demux->p_sys;
1146     int         i_spu = dvdnav_get_active_spu_stream( p_sys->dvdnav );
1147     int32_t i_title, i_part;
1148
1149     ButtonUpdate( p_demux, false );
1150
1151     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1152     if( i_title > 0 ) return;
1153
1154     if( i_spu >= 0 && i_spu <= 0x1f )
1155     {
1156         ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1157
1158         ESNew( p_demux, 0xbd20 + i_spu );
1159
1160         /* be sure to unselect it (reset) */
1161         es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1162                         (bool)false );
1163
1164         /* now select it */
1165         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1166     }
1167     else
1168     {
1169         for( i_spu = 0; i_spu <= 0x1F; i_spu++ )
1170         {
1171             ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1172             if( tk->b_seen )
1173             {
1174                 es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1175                                 (bool)false );
1176             }
1177         }
1178     }
1179 }
1180
1181 /*****************************************************************************
1182  * DemuxBlock: demux a given block
1183  *****************************************************************************/
1184 static int DemuxBlock( demux_t *p_demux, const uint8_t *p, int len )
1185 {
1186     demux_sys_t *p_sys = p_demux->p_sys;
1187
1188     while( len > 0 )
1189     {
1190         int i_size = ps_pkt_size( p, len );
1191         if( i_size <= 0 || i_size > len )
1192         {
1193             break;
1194         }
1195
1196         /* Create a block */
1197         block_t *p_pkt = block_Alloc( i_size );
1198         memcpy( p_pkt->p_buffer, p, i_size);
1199
1200         /* Parse it and send it */
1201         switch( 0x100 | p[3] )
1202         {
1203         case 0x1b9:
1204         case 0x1bb:
1205         case 0x1bc:
1206 #ifdef DVDNAV_DEBUG
1207             if( p[3] == 0xbc )
1208             {
1209                 msg_Warn( p_demux, "received a PSM packet" );
1210             }
1211             else if( p[3] == 0xbb )
1212             {
1213                 msg_Warn( p_demux, "received a SYSTEM packet" );
1214             }
1215 #endif
1216             block_Release( p_pkt );
1217             break;
1218
1219         case 0x1ba:
1220         {
1221             int64_t i_scr;
1222             int i_mux_rate;
1223             if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
1224             {
1225                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr + 1 );
1226                 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
1227             }
1228             block_Release( p_pkt );
1229             break;
1230         }
1231         default:
1232         {
1233             int i_id = ps_pkt_id( p_pkt );
1234             if( i_id >= 0xc0 )
1235             {
1236                 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1237
1238                 if( !tk->b_seen )
1239                 {
1240                     ESNew( p_demux, i_id );
1241                 }
1242                 if( tk->b_seen && tk->es &&
1243                     !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
1244                 {
1245                     es_out_Send( p_demux->out, tk->es, p_pkt );
1246                 }
1247                 else
1248                 {
1249                     block_Release( p_pkt );
1250                 }
1251             }
1252             else
1253             {
1254                 block_Release( p_pkt );
1255             }
1256             break;
1257         }
1258         }
1259
1260         p += i_size;
1261         len -= i_size;
1262     }
1263
1264     return VLC_SUCCESS;
1265 }
1266
1267 /*****************************************************************************
1268  * Force still images to be displayed by sending EOS and stopping buffering.
1269  *****************************************************************************/
1270 static void DemuxForceStill( demux_t *p_demux )
1271 {
1272     static const uint8_t buffer[] = {
1273         0x00, 0x00, 0x01, 0xe0, 0x00, 0x07,
1274         0x80, 0x00, 0x00,
1275         0x00, 0x00, 0x01, 0xB7,
1276     };
1277     DemuxBlock( p_demux, buffer, sizeof(buffer) );
1278
1279     bool b_empty;
1280     es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
1281 }
1282
1283 /*****************************************************************************
1284  * ESNew: register a new elementary stream
1285  *****************************************************************************/
1286 static void ESNew( demux_t *p_demux, int i_id )
1287 {
1288     demux_sys_t *p_sys = p_demux->p_sys;
1289     ps_track_t  *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1290     bool  b_select = false;
1291
1292     if( tk->b_seen ) return;
1293
1294     if( ps_track_fill( tk, 0, i_id ) )
1295     {
1296         msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
1297         return;
1298     }
1299
1300     /* Add a new ES */
1301     if( tk->fmt.i_cat == VIDEO_ES )
1302     {
1303         tk->fmt.video.i_sar_num = p_sys->sar.i_num;
1304         tk->fmt.video.i_sar_den = p_sys->sar.i_den;
1305         b_select = true;
1306     }
1307     else if( tk->fmt.i_cat == AUDIO_ES )
1308     {
1309         int i_audio = -1;
1310         /* find the audio number PLEASE find another way */
1311         if( (i_id&0xbdf8) == 0xbd88 )       /* dts */
1312         {
1313             i_audio = i_id&0x07;
1314         }
1315         else if( (i_id&0xbdf0) == 0xbd80 )  /* a52 */
1316         {
1317             i_audio = i_id&0xf;
1318         }
1319         else if( (i_id&0xbdf0) == 0xbda0 )  /* lpcm */
1320         {
1321             i_audio = i_id&0x1f;
1322         }
1323         else if( ( i_id&0xe0 ) == 0xc0 )    /* mpga */
1324         {
1325             i_audio = i_id&0x1f;
1326         }
1327         if( i_audio >= 0 )
1328         {
1329             int i_lang = dvdnav_audio_stream_to_lang( p_sys->dvdnav, i_audio );
1330             if( i_lang != 0xffff )
1331             {
1332                 tk->fmt.psz_language = malloc( 3 );
1333                 tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1334                 tk->fmt.psz_language[1] = (i_lang     )&0xff;
1335                 tk->fmt.psz_language[2] = 0;
1336             }
1337             if( dvdnav_get_active_audio_stream( p_sys->dvdnav ) == i_audio )
1338             {
1339                 b_select = true;
1340             }
1341         }
1342     }
1343     else if( tk->fmt.i_cat == SPU_ES )
1344     {
1345         int32_t i_title, i_part;
1346         int i_lang = dvdnav_spu_stream_to_lang( p_sys->dvdnav, i_id&0x1f );
1347         if( i_lang != 0xffff )
1348         {
1349             tk->fmt.psz_language = malloc( 3 );
1350             tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1351             tk->fmt.psz_language[1] = (i_lang     )&0xff;
1352             tk->fmt.psz_language[2] = 0;
1353         }
1354
1355         /* Palette */
1356         tk->fmt.subs.spu.palette[0] = 0xBeef;
1357         memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
1358                 16 * sizeof( uint32_t ) );
1359
1360         /* We select only when we are not in the menu */
1361         dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1362         if( i_title > 0 &&
1363             dvdnav_get_active_spu_stream( p_sys->dvdnav ) == (i_id&0x1f) )
1364         {
1365             b_select = true;
1366         }
1367     }
1368
1369     tk->es = es_out_Add( p_demux->out, &tk->fmt );
1370     if( b_select )
1371     {
1372         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1373     }
1374     tk->b_seen = true;
1375
1376     if( tk->fmt.i_cat == VIDEO_ES ) ButtonUpdate( p_demux, false );
1377 }
1378
1379 /*****************************************************************************
1380  * Still image end
1381  *****************************************************************************/
1382 static void StillTimer( void *p_data )
1383 {
1384     demux_sys_t    *p_sys = p_data;
1385
1386     vlc_mutex_lock( &p_sys->still.lock );
1387     if( likely(p_sys->still.b_enabled) )
1388     {
1389         p_sys->still.b_enabled = false;
1390         dvdnav_still_skip( p_sys->dvdnav );
1391     }
1392     vlc_mutex_unlock( &p_sys->still.lock );
1393 }
1394
1395 static int EventMouse( vlc_object_t *p_vout, char const *psz_var,
1396                        vlc_value_t oldval, vlc_value_t val, void *p_data )
1397 {
1398     demux_t *p_demux = p_data;
1399     demux_sys_t *p_sys = p_demux->p_sys;
1400
1401     /* FIXME? PCI usage thread safe? */
1402     pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1403     int x = val.coords.x;
1404     int y = val.coords.y;
1405
1406     if( psz_var[6] == 'm' ) /* mouse-moved */
1407         dvdnav_mouse_select( p_sys->dvdnav, pci, x, y );
1408     else
1409     {
1410         assert( psz_var[6] == 'c' ); /* mouse-clicked */
1411
1412         ButtonUpdate( p_demux, true );
1413         dvdnav_mouse_activate( p_sys->dvdnav, pci, x, y );
1414     }
1415     (void)p_vout;
1416     (void)oldval;
1417     return VLC_SUCCESS;
1418 }
1419
1420 static int EventIntf( vlc_object_t *p_input, char const *psz_var,
1421                       vlc_value_t oldval, vlc_value_t val, void *p_data )
1422 {
1423     demux_t *p_demux = p_data;
1424     demux_sys_t *p_sys = p_demux->p_sys;
1425
1426     if (val.i_int == INPUT_EVENT_VOUT)
1427     {
1428         if( p_sys->p_vout != NULL )
1429         {
1430             var_DelCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
1431             var_DelCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
1432             vlc_object_release( p_sys->p_vout );
1433         }
1434
1435         p_sys->p_vout = input_GetVout( (input_thread_t *)p_input );
1436         if( p_sys->p_vout != NULL )
1437         {
1438             var_AddCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
1439             var_AddCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
1440         }
1441     }
1442     (void) psz_var; (void) oldval;
1443     return VLC_SUCCESS;
1444 }
1445
1446 /*****************************************************************************
1447  * ProbeDVD: very weak probing that avoids going too often into a dvdnav_open()
1448  *****************************************************************************/
1449 static int ProbeDVD( const char *psz_name )
1450 {
1451     if( !*psz_name )
1452         /* Triggers libdvdcss autodetection */
1453         return VLC_SUCCESS;
1454
1455     int fd = vlc_open( psz_name, O_RDONLY | O_NONBLOCK );
1456     if( fd == -1 )
1457 #ifdef HAVE_FDOPENDIR
1458         return VLC_EGENERIC;
1459 #else
1460         return (errno == ENOENT) ? VLC_EGENERIC : VLC_SUCCESS;
1461 #endif
1462
1463     int ret = VLC_EGENERIC;
1464     struct stat stat_info;
1465
1466     if( fstat( fd, &stat_info ) == -1 )
1467          goto bailout;
1468     if( !S_ISREG( stat_info.st_mode ) )
1469     {
1470         if( S_ISDIR( stat_info.st_mode ) || S_ISBLK( stat_info.st_mode ) )
1471             ret = VLC_SUCCESS; /* Let dvdnav_open() do the probing */
1472         goto bailout;
1473     }
1474
1475     /* ISO 9660 volume descriptor */
1476     char iso_dsc[6];
1477     if( lseek( fd, 0x8000 + 1, SEEK_SET ) == -1
1478      || read( fd, iso_dsc, sizeof (iso_dsc) ) < sizeof (iso_dsc)
1479      || memcmp( iso_dsc, "CD001\x01", 6 ) )
1480         goto bailout;
1481
1482     /* Try to find the anchor (2 bytes at LBA 256) */
1483     uint16_t anchor;
1484
1485     if( lseek( fd, 256 * DVD_VIDEO_LB_LEN, SEEK_SET ) != -1
1486      && read( fd, &anchor, 2 ) == 2
1487      && GetWLE( &anchor ) == 2 )
1488         ret = VLC_SUCCESS; /* Found a potential anchor */
1489 bailout:
1490     close( fd );
1491     return ret;
1492 }