git.sesse.net Git - vlc/blob - modules/access/dvdnav.c

   1 /*****************************************************************************
   2  * dvdnav.c: DVD module using the dvdnav library.
   3  *****************************************************************************
   4  * Copyright (C) 2004-2009 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with this program; if not, write to the Free Software Foundation, Inc.,
  21  * 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27
  28 #ifdef HAVE_CONFIG_H
  29 # include "config.h"
  30 #endif
  31
  32 #include <assert.h>
  33 #include <vlc_common.h>
  34 #include <vlc_plugin.h>
  35 #include <vlc_input.h>
  36 #include <vlc_access.h>
  37 #include <vlc_demux.h>
  38 #include <vlc_charset.h>
  39 #include <vlc_fs.h>
  40 #include <vlc_url.h>
  41
  42 #include <vlc_dialog.h>
  43
  44 #ifdef HAVE_UNISTD_H
  45 #   include <unistd.h>
  46 #endif
  47 #include <sys/types.h>
  48 #ifdef HAVE_SYS_STAT_H
  49 #   include <sys/stat.h>
  50 #endif
  51 #ifdef HAVE_FCNTL_H
  52 #   include <fcntl.h>
  53 #endif
  54
  55 #include <vlc_keys.h>
  56 #include <vlc_iso_lang.h>
  57
  58 /* FIXME we should find a better way than including that */
  59 #include "../../src/text/iso-639_def.h"
  60
  61
  62 #include <dvdnav/dvdnav.h>
  63
  64 #include "../demux/ps.h"
  65
  66 /*****************************************************************************
  67  * Module descriptor
  68  *****************************************************************************/
  69 #define ANGLE_TEXT N_("DVD angle")
  70 #define ANGLE_LONGTEXT N_( \
  71      "Default DVD angle." )
  72
  73 #define CACHING_TEXT N_("Caching value in ms")
  74 #define CACHING_LONGTEXT N_( \
  75     "Caching value for DVDs. This "\
  76     "value should be set in milliseconds." )
  77 #define MENU_TEXT N_("Start directly in menu")
  78 #define MENU_LONGTEXT N_( \
  79     "Start the DVD directly in the main menu. This "\
  80     "will try to skip all the useless warning introductions." )
  81
  82 #define LANGUAGE_DEFAULT ("en")
  83
  84 static int  Open ( vlc_object_t * );
  85 static void Close( vlc_object_t * );
  86
  87 vlc_module_begin ()
  88     set_shortname( N_("DVD with menus") )
  89     set_description( N_("DVDnav Input") )
  90     set_category( CAT_INPUT )
  91     set_subcategory( SUBCAT_INPUT_ACCESS )
  92     add_integer( "dvdnav-angle", 1, NULL, ANGLE_TEXT,
  93         ANGLE_LONGTEXT, false )
  94     add_integer( "dvdnav-caching", DEFAULT_PTS_DELAY / 1000, NULL,
  95         CACHING_TEXT, CACHING_LONGTEXT, true )
  96     add_bool( "dvdnav-menu", true, NULL,
  97         MENU_TEXT, MENU_LONGTEXT, false )
  98     set_capability( "access_demux", 5 )
  99     add_shortcut( "dvd" )
 100     add_shortcut( "dvdnav" )
 101     add_shortcut( "file" )
 102     set_callbacks( Open, Close )
 103 vlc_module_end ()
 104
 105 /* Shall we use libdvdnav's read ahead cache? */
 106 #define DVD_READ_CACHE 1
 107
 108 /*****************************************************************************
 109  * Local prototypes
 110  *****************************************************************************/
 111 struct demux_sys_t
 112 {
 113     dvdnav_t    *dvdnav;
 114
 115     /* */
 116     bool        b_reset_pcr;
 117
 118     struct
 119     {
 120         bool         b_created;
 121         bool         b_enabled;
 122         vlc_mutex_t  lock;
 123         vlc_timer_t  timer;
 124     } still;
 125
 126     /* track */
 127     ps_track_t  tk[PS_TK_COUNT];
 128     int         i_mux_rate;
 129
 130     /* for spu variables */
 131     input_thread_t *p_input;
 132
 133     /* event */
 134     vlc_object_t *p_vout;
 135
 136     /* palette for menus */
 137     uint32_t clut[16];
 138     uint8_t  palette[4][4];
 139     bool b_spu_change;
 140
 141     /* Aspect ration */
 142     struct {
 143         unsigned i_num;
 144         unsigned i_den;
 145     } sar;
 146
 147     /* */
 148     int           i_title;
 149     input_title_t **title;
 150
 151     /* lenght of program group chain */
 152     mtime_t     i_pgc_length;
 153     int         i_vobu_index;
 154     int         i_vobu_flush;
 155 };
 156
 157 static int Control( demux_t *, int, va_list );
 158 static int Demux( demux_t * );
 159 static int DemuxBlock( demux_t *, const uint8_t *, int );
 160 static void DemuxForceStill( demux_t * );
 161
 162 static void DemuxTitles( demux_t * );
 163 static void ESSubtitleUpdate( demux_t * );
 164 static void ButtonUpdate( demux_t *, bool );
 165
 166 static void ESNew( demux_t *, int );
 167 static int ProbeDVD( demux_t *, char * );
 168
 169 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var );
 170
 171 static int ControlInternal( demux_t *, int, ... );
 172
 173 static void StillTimer( void * );
 174
 175 static int EventKey( vlc_object_t *, char const *,
 176                      vlc_value_t, vlc_value_t, void * );
 177 static int EventMouse( vlc_object_t *, char const *,
 178                        vlc_value_t, vlc_value_t, void * );
 179 static int EventIntf( vlc_object_t *, char const *,
 180                       vlc_value_t, vlc_value_t, void * );
 181
 182 /*****************************************************************************
 183  * DemuxOpen:
 184  *****************************************************************************/
 185 static int Open( vlc_object_t *p_this )
 186 {
 187     demux_t     *p_demux = (demux_t*)p_this;
 188     demux_sys_t *p_sys;
 189     dvdnav_t    *p_dvdnav;
 190     int         i_angle;
 191     char        *psz_name;
 192     char        *psz_code;
 193
 194     if( !p_demux->psz_path || !*p_demux->psz_path )
 195     {
 196         /* Only when selected */
 197         if( !p_demux->psz_access || !*p_demux->psz_access )
 198             return VLC_EGENERIC;
 199
 200         psz_name = var_CreateGetString( p_this, "dvd" );
 201         if( !psz_name )
 202         {
 203             psz_name = strdup("");
 204         }
 205     }
 206     else
 207         psz_name = ToLocaleDup( p_demux->psz_path );
 208
 209 #ifdef WIN32
 210     /* Remove trailing backslash, otherwise dvdnav_open will fail */
 211     if( *psz_name && *(psz_name + strlen(psz_name) - 1) == '\\' )
 212     {
 213         *(psz_name + strlen(psz_name) - 1) = '\0';
 214     }
 215 #endif
 216     decode_URI( psz_name );
 217
 218     /* Try some simple probing to avoid going through dvdnav_open too often */
 219     if( ProbeDVD( p_demux, psz_name ) != VLC_SUCCESS )
 220     {
 221         free( psz_name );
 222         return VLC_EGENERIC;
 223     }
 224
 225     /* Open dvdnav */
 226     if( dvdnav_open( &p_dvdnav, psz_name ) != DVDNAV_STATUS_OK )
 227     {
 228         msg_Warn( p_demux, "cannot open dvdnav" );
 229         free( psz_name );
 230         return VLC_EGENERIC;
 231     }
 232     free( psz_name );
 233
 234     /* Fill p_demux field */
 235     DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
 236     p_sys->dvdnav = p_dvdnav;
 237     p_sys->b_reset_pcr = false;
 238
 239     ps_track_init( p_sys->tk );
 240     p_sys->sar.i_num = 0;
 241     p_sys->sar.i_den = 0;
 242     p_sys->i_mux_rate = 0;
 243     p_sys->i_pgc_length = 0;
 244     p_sys->b_spu_change = false;
 245     p_sys->i_vobu_index = 0;
 246     p_sys->i_vobu_flush = 0;
 247
 248     if( 1 )
 249     {
 250         // Hack for libdvdnav CVS.
 251         // Without it dvdnav_get_number_of_titles() fails.
 252         // Remove when fixed in libdvdnav CVS.
 253         uint8_t buffer[DVD_VIDEO_LB_LEN];
 254         int i_event, i_len;
 255
 256         if( dvdnav_get_next_block( p_sys->dvdnav, buffer, &i_event, &i_len )
 257               == DVDNAV_STATUS_ERR )
 258         {
 259             msg_Warn( p_demux, "dvdnav_get_next_block failed" );
 260         }
 261
 262         dvdnav_sector_search( p_sys->dvdnav, 0, SEEK_SET );
 263     }
 264
 265     /* Configure dvdnav */
 266     if( dvdnav_set_readahead_flag( p_sys->dvdnav, DVD_READ_CACHE ) !=
 267           DVDNAV_STATUS_OK )
 268     {
 269         msg_Warn( p_demux, "cannot set read-a-head flag" );
 270     }
 271
 272     if( dvdnav_set_PGC_positioning_flag( p_sys->dvdnav, 1 ) !=
 273           DVDNAV_STATUS_OK )
 274     {
 275         msg_Warn( p_demux, "cannot set PGC positioning flag" );
 276     }
 277
 278     /* Set menu language
 279      * XXX A menu-language may be better than sub-language */
 280     psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
 281     if( dvdnav_menu_language_select( p_sys->dvdnav, psz_code ) !=
 282         DVDNAV_STATUS_OK )
 283     {
 284         msg_Warn( p_demux, "can't set menu language to '%s' (%s)",
 285                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 286         /* We try to fall back to 'en' */
 287         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 288             dvdnav_menu_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 289     }
 290     free( psz_code );
 291
 292     /* Set audio language */
 293     psz_code = DemuxGetLanguageCode( p_demux, "audio-language" );
 294     if( dvdnav_audio_language_select( p_sys->dvdnav, psz_code ) !=
 295         DVDNAV_STATUS_OK )
 296     {
 297         msg_Warn( p_demux, "can't set audio language to '%s' (%s)",
 298                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 299         /* We try to fall back to 'en' */
 300         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 301             dvdnav_audio_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 302     }
 303     free( psz_code );
 304
 305     /* Set spu language */
 306     psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
 307     if( dvdnav_spu_language_select( p_sys->dvdnav, psz_code ) !=
 308         DVDNAV_STATUS_OK )
 309     {
 310         msg_Warn( p_demux, "can't set spu language to '%s' (%s)",
 311                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 312         /* We try to fall back to 'en' */
 313         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 314             dvdnav_spu_language_select(p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 315     }
 316     free( psz_code );
 317
 318     DemuxTitles( p_demux );
 319
 320     if( var_CreateGetBool( p_demux, "dvdnav-menu" ) )
 321     {
 322         msg_Dbg( p_demux, "trying to go to dvd menu" );
 323
 324         if( dvdnav_title_play( p_sys->dvdnav, 1 ) != DVDNAV_STATUS_OK )
 325         {
 326             msg_Err( p_demux, "cannot set title (can't decrypt DVD?)" );
 327             dialog_Fatal( p_demux, _("Playback failure"), "%s",
 328                             _("VLC cannot set the DVD's title. It possibly "
 329                               "cannot decrypt the entire disc.") );
 330             dvdnav_close( p_sys->dvdnav );
 331             free( p_sys );
 332             return VLC_EGENERIC;
 333         }
 334
 335         if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title ) !=
 336             DVDNAV_STATUS_OK )
 337         {
 338             /* Try going to menu root */
 339             if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root ) !=
 340                 DVDNAV_STATUS_OK )
 341                     msg_Warn( p_demux, "cannot go to dvd menu" );
 342         }
 343     }
 344
 345     i_angle = var_CreateGetInteger( p_demux, "dvdnav-angle" );
 346     if( i_angle <= 0 ) i_angle = 1;
 347
 348     /* Update default_pts to a suitable value for dvdnav access */
 349     var_Create( p_demux, "dvdnav-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 350
 351     /* FIXME hack hack hack hack FIXME */
 352     /* Get p_input and create variable */
 353     p_sys->p_input = demux_GetParentInput( p_demux );
 354     var_Create( p_sys->p_input, "x-start", VLC_VAR_INTEGER );
 355     var_Create( p_sys->p_input, "y-start", VLC_VAR_INTEGER );
 356     var_Create( p_sys->p_input, "x-end", VLC_VAR_INTEGER );
 357     var_Create( p_sys->p_input, "y-end", VLC_VAR_INTEGER );
 358     var_Create( p_sys->p_input, "color", VLC_VAR_ADDRESS );
 359     var_Create( p_sys->p_input, "menu-palette", VLC_VAR_ADDRESS );
 360     var_Create( p_sys->p_input, "highlight", VLC_VAR_BOOL );
 361     var_Create( p_sys->p_input, "highlight-mutex", VLC_VAR_MUTEX );
 362
 363     /* catch all key event */
 364     var_AddCallback( p_demux->p_libvlc, "key-action", EventKey, p_demux );
 365     /* catch vout creation event */
 366     var_AddCallback( p_sys->p_input, "intf-event", EventIntf, p_demux );
 367
 368     p_sys->still.b_enabled = false;
 369     vlc_mutex_init( &p_sys->still.lock );
 370     if( !vlc_timer_create( &p_sys->still.timer, StillTimer, p_sys ) )
 371         p_sys->still.b_created = true;
 372
 373     return VLC_SUCCESS;
 374 }
 375
 376 /*****************************************************************************
 377  * Close:
 378  *****************************************************************************/
 379 static void Close( vlc_object_t *p_this )
 380 {
 381     demux_t     *p_demux = (demux_t*)p_this;
 382     demux_sys_t *p_sys = p_demux->p_sys;
 383     int i;
 384
 385     /* Stop vout event handler */
 386     var_DelCallback( p_sys->p_input, "intf-event", EventIntf, p_demux );
 387     if( p_sys->p_vout != NULL )
 388     {   /* Should not happen, but better be safe than sorry. */
 389         msg_Warn( p_sys->p_vout, "removing dangling mouse DVD callbacks" );
 390         var_DelCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
 391         var_DelCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
 392     }
 393
 394     /* Stop key event handler (FIXME: should really be per-vout too) */
 395     var_DelCallback( p_demux->p_libvlc, "key-action", EventKey, p_demux );
 396
 397     /* Stop still image handler */
 398     if( p_sys->still.b_created )
 399         vlc_timer_destroy( p_sys->still.timer );
 400     vlc_mutex_destroy( &p_sys->still.lock );
 401
 402     var_Destroy( p_sys->p_input, "highlight-mutex" );
 403     var_Destroy( p_sys->p_input, "highlight" );
 404     var_Destroy( p_sys->p_input, "x-start" );
 405     var_Destroy( p_sys->p_input, "x-end" );
 406     var_Destroy( p_sys->p_input, "y-start" );
 407     var_Destroy( p_sys->p_input, "y-end" );
 408     var_Destroy( p_sys->p_input, "color" );
 409     var_Destroy( p_sys->p_input, "menu-palette" );
 410
 411     vlc_object_release( p_sys->p_input );
 412
 413     for( i = 0; i < PS_TK_COUNT; i++ )
 414     {
 415         ps_track_t *tk = &p_sys->tk[i];
 416         if( tk->b_seen )
 417         {
 418             es_format_Clean( &tk->fmt );
 419             if( tk->es ) es_out_Del( p_demux->out, tk->es );
 420         }
 421     }
 422
 423     dvdnav_close( p_sys->dvdnav );
 424     free( p_sys );
 425 }
 426
 427 /*****************************************************************************
 428  * Control:
 429  *****************************************************************************/
 430 static int Control( demux_t *p_demux, int i_query, va_list args )
 431 {
 432     demux_sys_t *p_sys = p_demux->p_sys;
 433     input_title_t ***ppp_title;
 434     int i;
 435
 436     switch( i_query )
 437     {
 438         case DEMUX_SET_POSITION:
 439         case DEMUX_GET_POSITION:
 440         case DEMUX_GET_TIME:
 441         case DEMUX_GET_LENGTH:
 442         {
 443             uint32_t pos, len;
 444             if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) !=
 445                   DVDNAV_STATUS_OK || len == 0 )
 446             {
 447                 return VLC_EGENERIC;
 448             }
 449
 450             switch( i_query )
 451             {
 452             case DEMUX_GET_POSITION:
 453                 *va_arg( args, double* ) = (double)pos / (double)len;
 454                 return VLC_SUCCESS;
 455
 456             case DEMUX_SET_POSITION:
 457                 pos = va_arg( args, double ) * len;
 458                 if( dvdnav_sector_search( p_sys->dvdnav, pos, SEEK_SET ) ==
 459                       DVDNAV_STATUS_OK )
 460                 {
 461                     return VLC_SUCCESS;
 462                 }
 463                 break;
 464
 465             case DEMUX_GET_TIME:
 466                 if( p_sys->i_pgc_length > 0 )
 467                 {
 468                     *va_arg( args, int64_t * ) = p_sys->i_pgc_length*pos/len;
 469                     return VLC_SUCCESS;
 470                 }
 471                 break;
 472
 473             case DEMUX_GET_LENGTH:
 474                 if( p_sys->i_pgc_length > 0 )
 475                 {
 476                     *va_arg( args, int64_t * ) = (int64_t)p_sys->i_pgc_length;
 477                     return VLC_SUCCESS;
 478                 }
 479                 break;
 480             }
 481             return VLC_EGENERIC;
 482         }
 483
 484         /* Special for access_demux */
 485         case DEMUX_CAN_PAUSE:
 486         case DEMUX_CAN_SEEK:
 487         case DEMUX_CAN_CONTROL_PACE:
 488             /* TODO */
 489             *va_arg( args, bool * ) = true;
 490             return VLC_SUCCESS;
 491
 492         case DEMUX_SET_PAUSE_STATE:
 493             return VLC_SUCCESS;
 494
 495         case DEMUX_GET_TITLE_INFO:
 496             ppp_title = va_arg( args, input_title_t*** );
 497             *va_arg( args, int* ) = p_sys->i_title;
 498             *va_arg( args, int* ) = 0; /* Title offset */
 499             *va_arg( args, int* ) = 1; /* Chapter offset */
 500
 501             /* Duplicate title infos */
 502             *ppp_title = malloc( sizeof( input_title_t ** ) * p_sys->i_title );
 503             for( i = 0; i < p_sys->i_title; i++ )
 504             {
 505                 (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->title[i] );
 506             }
 507             return VLC_SUCCESS;
 508
 509         case DEMUX_SET_TITLE:
 510             i = (int)va_arg( args, int );
 511             if( ( i == 0 && dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root )
 512                   != DVDNAV_STATUS_OK ) ||
 513                 ( i != 0 && dvdnav_title_play( p_sys->dvdnav, i )
 514                   != DVDNAV_STATUS_OK ) )
 515             {
 516                 msg_Warn( p_demux, "cannot set title/chapter" );
 517                 return VLC_EGENERIC;
 518             }
 519             p_demux->info.i_update |=
 520                 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
 521             p_demux->info.i_title = i;
 522             p_demux->info.i_seekpoint = 0;
 523             return VLC_SUCCESS;
 524
 525         case DEMUX_SET_SEEKPOINT:
 526             i = va_arg( args, int );
 527             if( p_demux->info.i_title == 0 )
 528             {
 529                 static const int argtab[] = {
 530                     DVD_MENU_Escape,
 531                     DVD_MENU_Root,
 532                     DVD_MENU_Title,
 533                     DVD_MENU_Part,
 534                     DVD_MENU_Subpicture,
 535                     DVD_MENU_Audio,
 536                     DVD_MENU_Angle
 537                 };
 538                 enum { numargs = sizeof(argtab)/sizeof(int) };
 539                 if( (unsigned)i >= numargs || DVDNAV_STATUS_OK !=
 540                            dvdnav_menu_call(p_sys->dvdnav,argtab[i]) )
 541                     return VLC_EGENERIC;
 542             }
 543             else if( dvdnav_part_play( p_sys->dvdnav, p_demux->info.i_title,
 544                                        i + 1 ) != DVDNAV_STATUS_OK )
 545             {
 546                 msg_Warn( p_demux, "cannot set title/chapter" );
 547                 return VLC_EGENERIC;
 548             }
 549             p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 550             p_demux->info.i_seekpoint = i;
 551             return VLC_SUCCESS;
 552
 553         case DEMUX_GET_PTS_DELAY:
 554             *va_arg( args, int64_t * )
 555                  = (int64_t)var_GetInteger( p_demux, "dvdnav-caching" ) *1000;
 556             return VLC_SUCCESS;
 557
 558         case DEMUX_GET_META:
 559         {
 560             const char *title_name = NULL;
 561
 562             dvdnav_get_title_string(p_sys->dvdnav, &title_name);
 563             if( (NULL != title_name) && ('\0' != title_name[0]) )
 564             {
 565                 vlc_meta_t *p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
 566                 vlc_meta_Set( p_meta, vlc_meta_Title, title_name );
 567                 return VLC_SUCCESS;
 568             }
 569             return VLC_EGENERIC;
 570         }
 571
 572         /* TODO implement others */
 573         default:
 574             return VLC_EGENERIC;
 575     }
 576 }
 577
 578 static int ControlInternal( demux_t *p_demux, int i_query, ... )
 579 {
 580     va_list args;
 581     int     i_result;
 582
 583     va_start( args, i_query );
 584     i_result = Control( p_demux, i_query, args );
 585     va_end( args );
 586
 587     return i_result;
 588 }
 589 /*****************************************************************************
 590  * Demux:
 591  *****************************************************************************/
 592 static int Demux( demux_t *p_demux )
 593 {
 594     demux_sys_t *p_sys = p_demux->p_sys;
 595
 596     uint8_t buffer[DVD_VIDEO_LB_LEN];
 597     uint8_t *packet = buffer;
 598     int i_event;
 599     int i_len;
 600
 601 #if DVD_READ_CACHE
 602     if( dvdnav_get_next_cache_block( p_sys->dvdnav, &packet, &i_event, &i_len )
 603         == DVDNAV_STATUS_ERR )
 604 #else
 605     if( dvdnav_get_next_block( p_sys->dvdnav, packet, &i_event, &i_len )
 606         == DVDNAV_STATUS_ERR )
 607 #endif
 608     {
 609         msg_Warn( p_demux, "cannot get next block (%s)",
 610                   dvdnav_err_to_string( p_sys->dvdnav ) );
 611         if( p_demux->info.i_title == 0 )
 612         {
 613             msg_Dbg( p_demux, "jumping to first title" );
 614             return ControlInternal( p_demux, DEMUX_SET_TITLE, 1 ) == VLC_SUCCESS ? 1 : -1;
 615         }
 616         return -1;
 617     }
 618
 619     switch( i_event )
 620     {
 621     case DVDNAV_BLOCK_OK:   /* mpeg block */
 622         vlc_mutex_lock( &p_sys->still.lock );
 623         vlc_timer_schedule( p_sys->still.timer, false, 0, 0 );
 624         p_sys->still.b_enabled = false;
 625         vlc_mutex_unlock( &p_sys->still.lock );
 626         if( p_sys->b_reset_pcr )
 627         {
 628             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 629             p_sys->b_reset_pcr = false;
 630         }
 631         DemuxBlock( p_demux, packet, i_len );
 632         if( p_sys->i_vobu_index > 0 )
 633         {
 634             if( p_sys->i_vobu_flush == p_sys->i_vobu_index )
 635                 DemuxForceStill( p_demux );
 636             p_sys->i_vobu_index++;
 637         }
 638         break;
 639
 640     case DVDNAV_NOP:    /* Nothing */
 641         msg_Dbg( p_demux, "DVDNAV_NOP" );
 642         break;
 643
 644     case DVDNAV_STILL_FRAME:
 645     {
 646         dvdnav_still_event_t *event = (dvdnav_still_event_t*)packet;
 647         bool b_still_init = false;
 648
 649         vlc_mutex_lock( &p_sys->still.lock );
 650         if( !p_sys->still.b_enabled )
 651         {
 652             msg_Dbg( p_demux, "DVDNAV_STILL_FRAME" );
 653             msg_Dbg( p_demux, "     - length=0x%x", event->length );
 654             p_sys->still.b_enabled = true;
 655
 656             if( event->length != 0xff && p_sys->still.b_created )
 657             {
 658                 mtime_t delay = event->length * CLOCK_FREQ;
 659                 vlc_timer_schedule( p_sys->still.timer, false, delay, 0 );
 660             }
 661
 662             b_still_init = true;
 663         }
 664         vlc_mutex_unlock( &p_sys->still.lock );
 665
 666         if( b_still_init )
 667         {
 668             DemuxForceStill( p_demux );
 669             p_sys->b_reset_pcr = true;
 670         }
 671         msleep( 40000 );
 672         break;
 673     }
 674
 675     case DVDNAV_SPU_CLUT_CHANGE:
 676     {
 677         int i;
 678
 679         msg_Dbg( p_demux, "DVDNAV_SPU_CLUT_CHANGE" );
 680         /* Update color lookup table (16 *uint32_t in packet) */
 681         memcpy( p_sys->clut, packet, 16 * sizeof( uint32_t ) );
 682
 683         /* HACK to get the SPU tracks registered in the right order */
 684         for( i = 0; i < 0x1f; i++ )
 685         {
 686             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 687                 ESNew( p_demux, 0xbd20 + i );
 688         }
 689         /* END HACK */
 690         break;
 691     }
 692
 693     case DVDNAV_SPU_STREAM_CHANGE:
 694     {
 695         dvdnav_spu_stream_change_event_t *event =
 696             (dvdnav_spu_stream_change_event_t*)packet;
 697         int i;
 698
 699         msg_Dbg( p_demux, "DVDNAV_SPU_STREAM_CHANGE" );
 700         msg_Dbg( p_demux, "     - physical_wide=%d",
 701                  event->physical_wide );
 702         msg_Dbg( p_demux, "     - physical_letterbox=%d",
 703                  event->physical_letterbox);
 704         msg_Dbg( p_demux, "     - physical_pan_scan=%d",
 705                  event->physical_pan_scan );
 706
 707         ESSubtitleUpdate( p_demux );
 708         p_sys->b_spu_change = true;
 709
 710         /* HACK to get the SPU tracks registered in the right order */
 711         for( i = 0; i < 0x1f; i++ )
 712         {
 713             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 714                 ESNew( p_demux, 0xbd20 + i );
 715         }
 716         /* END HACK */
 717         break;
 718     }
 719
 720     case DVDNAV_AUDIO_STREAM_CHANGE:
 721     {
 722         dvdnav_audio_stream_change_event_t *event =
 723             (dvdnav_audio_stream_change_event_t*)packet;
 724         msg_Dbg( p_demux, "DVDNAV_AUDIO_STREAM_CHANGE" );
 725         msg_Dbg( p_demux, "     - physical=%d", event->physical );
 726         /* TODO */
 727         break;
 728     }
 729
 730     case DVDNAV_VTS_CHANGE:
 731     {
 732         int32_t i_title = 0;
 733         int32_t i_part  = 0;
 734         int i;
 735
 736         dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t*)packet;
 737         msg_Dbg( p_demux, "DVDNAV_VTS_CHANGE" );
 738         msg_Dbg( p_demux, "     - vtsN=%d", event->new_vtsN );
 739         msg_Dbg( p_demux, "     - domain=%d", event->new_domain );
 740
 741         /* reset PCR */
 742         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 743
 744         for( i = 0; i < PS_TK_COUNT; i++ )
 745         {
 746             ps_track_t *tk = &p_sys->tk[i];
 747             if( tk->b_seen )
 748             {
 749                 es_format_Clean( &tk->fmt );
 750                 if( tk->es ) es_out_Del( p_demux->out, tk->es );
 751             }
 752             tk->b_seen = false;
 753         }
 754
 755 #if defined(HAVE_DVDNAV_GET_VIDEO_RESOLUTION)
 756         uint32_t i_width, i_height;
 757         if( dvdnav_get_video_resolution( p_sys->dvdnav,
 758                                          &i_width, &i_height ) )
 759             i_width = i_height = 0;
 760         switch( dvdnav_get_video_aspect( p_sys->dvdnav ) )
 761         {
 762         case 0:
 763             p_sys->sar.i_num = 4 * i_height;
 764             p_sys->sar.i_den = 3 * i_width;
 765             break;
 766         case 3:
 767             p_sys->sar.i_num = 16 * i_height;
 768             p_sys->sar.i_den =  9 * i_width;
 769             break;
 770         default:
 771             p_sys->sar.i_num = 0;
 772             p_sys->sar.i_den = 0;
 773             break;
 774         }
 775 #endif
 776
 777         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 778                                        &i_part ) == DVDNAV_STATUS_OK )
 779         {
 780             if( i_title >= 0 && i_title < p_sys->i_title &&
 781                 p_demux->info.i_title != i_title )
 782             {
 783                 p_demux->info.i_update |= INPUT_UPDATE_TITLE;
 784                 p_demux->info.i_title = i_title;
 785             }
 786         }
 787         break;
 788     }
 789
 790     case DVDNAV_CELL_CHANGE:
 791     {
 792         int32_t i_title = 0;
 793         int32_t i_part  = 0;
 794
 795         dvdnav_cell_change_event_t *event =
 796             (dvdnav_cell_change_event_t*)packet;
 797         msg_Dbg( p_demux, "DVDNAV_CELL_CHANGE" );
 798         msg_Dbg( p_demux, "     - cellN=%d", event->cellN );
 799         msg_Dbg( p_demux, "     - pgN=%d", event->pgN );
 800         msg_Dbg( p_demux, "     - cell_length=%"PRId64, event->cell_length );
 801         msg_Dbg( p_demux, "     - pg_length=%"PRId64, event->pg_length );
 802         msg_Dbg( p_demux, "     - pgc_length=%"PRId64, event->pgc_length );
 803         msg_Dbg( p_demux, "     - cell_start=%"PRId64, event->cell_start );
 804         msg_Dbg( p_demux, "     - pg_start=%"PRId64, event->pg_start );
 805
 806         /* Store the lenght in time of the current PGC */
 807         p_sys->i_pgc_length = event->pgc_length / 90 * 1000;
 808         p_sys->i_vobu_index = 0;
 809         p_sys->i_vobu_flush = 0;
 810
 811         /* FIXME is it correct or there is better way to know chapter change */
 812         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 813                                        &i_part ) == DVDNAV_STATUS_OK )
 814         {
 815             if( i_title >= 0 && i_title < p_sys->i_title &&
 816                 i_part >= 1 && i_part <= p_sys->title[i_title]->i_seekpoint &&
 817                 p_demux->info.i_seekpoint != i_part - 1 )
 818             {
 819                 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 820                 p_demux->info.i_seekpoint = i_part - 1;
 821             }
 822         }
 823         break;
 824     }
 825
 826     case DVDNAV_NAV_PACKET:
 827     {
 828         p_sys->i_vobu_index = 1;
 829         p_sys->i_vobu_flush = 0;
 830
 831         /* Look if we have need to force a flush (and when) */
 832         const pci_gi_t *p_pci_gi = &dvdnav_get_current_nav_pci( p_sys->dvdnav )->pci_gi;
 833         if( p_pci_gi->vobu_se_e_ptm != 0 && p_pci_gi->vobu_se_e_ptm < p_pci_gi->vobu_e_ptm )
 834         {
 835             const dsi_gi_t *p_dsi_gi = &dvdnav_get_current_nav_dsi( p_sys->dvdnav )->dsi_gi;
 836             if( p_dsi_gi->vobu_3rdref_ea != 0 )
 837                 p_sys->i_vobu_flush = p_dsi_gi->vobu_3rdref_ea;
 838             else if( p_dsi_gi->vobu_2ndref_ea != 0 )
 839                 p_sys->i_vobu_flush = p_dsi_gi->vobu_2ndref_ea;
 840             else if( p_dsi_gi->vobu_1stref_ea != 0 )
 841                 p_sys->i_vobu_flush = p_dsi_gi->vobu_1stref_ea;
 842         }
 843
 844 #ifdef DVDNAV_DEBUG
 845         msg_Dbg( p_demux, "DVDNAV_NAV_PACKET" );
 846 #endif
 847         /* A lot of thing to do here :
 848          *  - handle packet
 849          *  - fetch pts (for time display)
 850          *  - ...
 851          */
 852         DemuxBlock( p_demux, packet, i_len );
 853         if( p_sys->b_spu_change )
 854         {
 855             ButtonUpdate( p_demux, false );
 856             p_sys->b_spu_change = false;
 857         }
 858         break;
 859     }
 860
 861     case DVDNAV_STOP:   /* EOF */
 862         msg_Dbg( p_demux, "DVDNAV_STOP" );
 863
 864 #if DVD_READ_CACHE
 865         dvdnav_free_cache_block( p_sys->dvdnav, packet );
 866 #endif
 867         return 0;
 868
 869     case DVDNAV_HIGHLIGHT:
 870     {
 871         dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t*)packet;
 872         msg_Dbg( p_demux, "DVDNAV_HIGHLIGHT" );
 873         msg_Dbg( p_demux, "     - display=%d", event->display );
 874         msg_Dbg( p_demux, "     - buttonN=%d", event->buttonN );
 875         ButtonUpdate( p_demux, false );
 876         break;
 877     }
 878
 879     case DVDNAV_HOP_CHANNEL:
 880         msg_Dbg( p_demux, "DVDNAV_HOP_CHANNEL" );
 881         p_sys->i_vobu_index = 0;
 882         p_sys->i_vobu_flush = 0;
 883         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 884         break;
 885
 886     case DVDNAV_WAIT:
 887         msg_Dbg( p_demux, "DVDNAV_WAIT" );
 888
 889         bool b_empty;
 890         es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
 891         if( !b_empty )
 892         {
 893             msleep( 40*1000 );
 894         }
 895         else
 896         {
 897             dvdnav_wait_skip( p_sys->dvdnav );
 898             p_sys->b_reset_pcr = true;
 899         }
 900         break;
 901
 902     default:
 903         msg_Warn( p_demux, "Unknown event (0x%x)", i_event );
 904         break;
 905     }
 906
 907 #if DVD_READ_CACHE
 908     dvdnav_free_cache_block( p_sys->dvdnav, packet );
 909 #endif
 910
 911     return 1;
 912 }
 913
 914 /* Get a 2 char code
 915  * FIXME: partiallyy duplicated from src/input/es_out.c
 916  */
 917 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var )
 918 {
 919     const iso639_lang_t *pl;
 920     char *psz_lang;
 921     char *p;
 922
 923     psz_lang = var_CreateGetString( p_demux, psz_var );
 924     if( !psz_lang )
 925         return strdup(LANGUAGE_DEFAULT);
 926
 927     /* XXX: we will use only the first value
 928      * (and ignore other ones in case of a list) */
 929     if( ( p = strchr( psz_lang, ',' ) ) )
 930         *p = '\0';
 931
 932     for( pl = p_languages; pl->psz_eng_name != NULL; pl++ )
 933     {
 934         if( *psz_lang == '\0' )
 935             continue;
 936         if( !strcasecmp( pl->psz_eng_name, psz_lang ) ||
 937             !strcasecmp( pl->psz_native_name, psz_lang ) ||
 938             !strcasecmp( pl->psz_iso639_1, psz_lang ) ||
 939             !strcasecmp( pl->psz_iso639_2T, psz_lang ) ||
 940             !strcasecmp( pl->psz_iso639_2B, psz_lang ) )
 941             break;
 942     }
 943
 944     free( psz_lang );
 945
 946     if( pl->psz_eng_name != NULL )
 947         return strdup( pl->psz_iso639_1 );
 948
 949     return strdup(LANGUAGE_DEFAULT);
 950 }
 951
 952 static void DemuxTitles( demux_t *p_demux )
 953 {
 954     demux_sys_t *p_sys = p_demux->p_sys;
 955     input_title_t *t;
 956     seekpoint_t *s;
 957     int32_t i_titles;
 958     int i;
 959
 960     /* Menu */
 961     t = vlc_input_title_New();
 962     t->b_menu = true;
 963     t->psz_name = strdup( "DVD Menu" );
 964
 965     s = vlc_seekpoint_New();
 966     s->psz_name = strdup( "Resume" );
 967     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 968
 969     s = vlc_seekpoint_New();
 970     s->psz_name = strdup( "Root" );
 971     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 972
 973     s = vlc_seekpoint_New();
 974     s->psz_name = strdup( "Title" );
 975     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 976
 977     s = vlc_seekpoint_New();
 978     s->psz_name = strdup( "Chapter" );
 979     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 980
 981     s = vlc_seekpoint_New();
 982     s->psz_name = strdup( "Subtitle" );
 983     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 984
 985     s = vlc_seekpoint_New();
 986     s->psz_name = strdup( "Audio" );
 987     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 988
 989     s = vlc_seekpoint_New();
 990     s->psz_name = strdup( "Angle" );
 991     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 992
 993     TAB_APPEND( p_sys->i_title, p_sys->title, t );
 994
 995     /* Find out number of titles/chapters */
 996     dvdnav_get_number_of_titles( p_sys->dvdnav, &i_titles );
 997     for( i = 1; i <= i_titles; i++ )
 998     {
 999         int32_t i_chapters = 0;
1000         int j;
1001
1002         dvdnav_get_number_of_parts( p_sys->dvdnav, i, &i_chapters );
1003
1004         t = vlc_input_title_New();
1005         for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
1006         {
1007             s = vlc_seekpoint_New();
1008             TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1009         }
1010
1011         TAB_APPEND( p_sys->i_title, p_sys->title, t );
1012     }
1013 }
1014
1015 /*****************************************************************************
1016  * Update functions:
1017  *****************************************************************************/
1018 static void ButtonUpdate( demux_t *p_demux, bool b_mode )
1019 {
1020     demux_sys_t *p_sys = p_demux->p_sys;
1021     vlc_value_t val;
1022     int32_t i_title, i_part;
1023
1024     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1025
1026     if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
1027     {
1028         vlc_mutex_t *p_mutex = val.p_address;
1029         dvdnav_highlight_area_t hl;
1030         int32_t i_button;
1031         bool    b_button_ok;
1032
1033         if( dvdnav_get_current_highlight( p_sys->dvdnav, &i_button )
1034             != DVDNAV_STATUS_OK )
1035         {
1036             msg_Err( p_demux, "dvdnav_get_current_highlight failed" );
1037             return;
1038         }
1039
1040         b_button_ok = false;
1041         if( i_button > 0 && i_title ==  0 )
1042         {
1043             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1044
1045             b_button_ok = DVDNAV_STATUS_OK ==
1046                       dvdnav_get_highlight_area( pci, i_button, b_mode, &hl );
1047         }
1048
1049         if( b_button_ok )
1050         {
1051             int i;
1052             for( i = 0; i < 4; i++ )
1053             {
1054                 uint32_t i_yuv = p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
1055                 uint8_t i_alpha = ( (hl.palette>>(i*4))&0x0f ) * 0xff / 0xf;
1056
1057                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
1058                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
1059                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
1060                 p_sys->palette[i][3] = i_alpha;
1061             }
1062
1063             vlc_mutex_lock( p_mutex );
1064             var_SetInteger( p_sys->p_input, "x-start", hl.sx );
1065             var_SetInteger( p_sys->p_input, "x-end",  hl.ex );
1066             var_SetInteger( p_sys->p_input, "y-start", hl.sy );
1067             var_SetInteger( p_sys->p_input, "y-end", hl.ey );
1068
1069             var_SetAddress( p_sys->p_input, "menu-palette", p_sys->palette );
1070
1071             var_SetBool( p_sys->p_input, "highlight", true );
1072             vlc_mutex_unlock( p_mutex );
1073
1074             msg_Dbg( p_demux, "buttonUpdate %d", i_button );
1075         }
1076         else
1077         {
1078             msg_Dbg( p_demux, "buttonUpdate not done b=%d t=%d",
1079                      i_button, i_title );
1080
1081             /* Show all */
1082             vlc_mutex_lock( p_mutex );
1083             var_SetBool( p_sys->p_input, "highlight", false );
1084             vlc_mutex_unlock( p_mutex );
1085         }
1086     }
1087 }
1088
1089 static void ESSubtitleUpdate( demux_t *p_demux )
1090 {
1091     demux_sys_t *p_sys = p_demux->p_sys;
1092     int         i_spu = dvdnav_get_active_spu_stream( p_sys->dvdnav );
1093     int32_t i_title, i_part;
1094
1095     ButtonUpdate( p_demux, false );
1096
1097     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1098     if( i_title > 0 ) return;
1099
1100     if( i_spu >= 0 && i_spu <= 0x1f )
1101     {
1102         ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1103
1104         ESNew( p_demux, 0xbd20 + i_spu );
1105
1106         /* be sure to unselect it (reset) */
1107         es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1108                         (bool)false );
1109
1110         /* now select it */
1111         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1112     }
1113     else
1114     {
1115         for( i_spu = 0; i_spu <= 0x1F; i_spu++ )
1116         {
1117             ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1118             if( tk->b_seen )
1119             {
1120                 es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1121                                 (bool)false );
1122             }
1123         }
1124     }
1125 }
1126
1127 /*****************************************************************************
1128  * DemuxBlock: demux a given block
1129  *****************************************************************************/
1130 static int DemuxBlock( demux_t *p_demux, const uint8_t *pkt, int i_pkt )
1131 {
1132     demux_sys_t *p_sys = p_demux->p_sys;
1133     const uint8_t     *p = pkt;
1134
1135     while( p < &pkt[i_pkt] )
1136     {
1137         int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
1138         block_t *p_pkt;
1139         if( i_size <= 0 )
1140         {
1141             break;
1142         }
1143
1144         /* Create a block */
1145         p_pkt = block_New( p_demux, i_size );
1146         memcpy( p_pkt->p_buffer, p, i_size);
1147
1148         /* Parse it and send it */
1149         switch( 0x100 | p[3] )
1150         {
1151         case 0x1b9:
1152         case 0x1bb:
1153         case 0x1bc:
1154 #ifdef DVDNAV_DEBUG
1155             if( p[3] == 0xbc )
1156             {
1157                 msg_Warn( p_demux, "received a PSM packet" );
1158             }
1159             else if( p[3] == 0xbb )
1160             {
1161                 msg_Warn( p_demux, "received a SYSTEM packet" );
1162             }
1163 #endif
1164             block_Release( p_pkt );
1165             break;
1166
1167         case 0x1ba:
1168         {
1169             int64_t i_scr;
1170             int i_mux_rate;
1171             if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
1172             {
1173                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr + 1 );
1174                 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
1175             }
1176             block_Release( p_pkt );
1177             break;
1178         }
1179         default:
1180         {
1181             int i_id = ps_pkt_id( p_pkt );
1182             if( i_id >= 0xc0 )
1183             {
1184                 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1185
1186                 if( !tk->b_seen )
1187                 {
1188                     ESNew( p_demux, i_id );
1189                 }
1190                 if( tk->b_seen && tk->es &&
1191                     !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
1192                 {
1193                     es_out_Send( p_demux->out, tk->es, p_pkt );
1194                 }
1195                 else
1196                 {
1197                     block_Release( p_pkt );
1198                 }
1199             }
1200             else
1201             {
1202                 block_Release( p_pkt );
1203             }
1204             break;
1205         }
1206         }
1207
1208         p += i_size;
1209     }
1210
1211     return VLC_SUCCESS;
1212 }
1213
1214 /*****************************************************************************
1215  * Force still images to be displayed by sending EOS and stopping buffering.
1216  *****************************************************************************/
1217 static void DemuxForceStill( demux_t *p_demux )
1218 {
1219     static const uint8_t buffer[] = {
1220         0x00, 0x00, 0x01, 0xe0, 0x00, 0x07,
1221         0x80, 0x00, 0x00,
1222         0x00, 0x00, 0x01, 0xB7,
1223     };
1224     DemuxBlock( p_demux, buffer, sizeof(buffer) );
1225
1226     bool b_empty;
1227     es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
1228 }
1229
1230 /*****************************************************************************
1231  * ESNew: register a new elementary stream
1232  *****************************************************************************/
1233 static void ESNew( demux_t *p_demux, int i_id )
1234 {
1235     demux_sys_t *p_sys = p_demux->p_sys;
1236     ps_track_t  *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1237     bool  b_select = false;
1238
1239     if( tk->b_seen ) return;
1240
1241     if( ps_track_fill( tk, 0, i_id ) )
1242     {
1243         msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
1244         return;
1245     }
1246
1247     /* Add a new ES */
1248     if( tk->fmt.i_cat == VIDEO_ES )
1249     {
1250         tk->fmt.video.i_sar_num = p_sys->sar.i_num;
1251         tk->fmt.video.i_sar_den = p_sys->sar.i_den;
1252         b_select = true;
1253     }
1254     else if( tk->fmt.i_cat == AUDIO_ES )
1255     {
1256         int i_audio = -1;
1257         /* find the audio number PLEASE find another way */
1258         if( (i_id&0xbdf8) == 0xbd88 )       /* dts */
1259         {
1260             i_audio = i_id&0x07;
1261         }
1262         else if( (i_id&0xbdf0) == 0xbd80 )  /* a52 */
1263         {
1264             i_audio = i_id&0xf;
1265         }
1266         else if( (i_id&0xbdf0) == 0xbda0 )  /* lpcm */
1267         {
1268             i_audio = i_id&0x1f;
1269         }
1270         else if( ( i_id&0xe0 ) == 0xc0 )    /* mpga */
1271         {
1272             i_audio = i_id&0x1f;
1273         }
1274         if( i_audio >= 0 )
1275         {
1276             int i_lang = dvdnav_audio_stream_to_lang( p_sys->dvdnav, i_audio );
1277             if( i_lang != 0xffff )
1278             {
1279                 tk->fmt.psz_language = malloc( 3 );
1280                 tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1281                 tk->fmt.psz_language[1] = (i_lang     )&0xff;
1282                 tk->fmt.psz_language[2] = 0;
1283             }
1284             if( dvdnav_get_active_audio_stream( p_sys->dvdnav ) == i_audio )
1285             {
1286                 b_select = true;
1287             }
1288         }
1289     }
1290     else if( tk->fmt.i_cat == SPU_ES )
1291     {
1292         int32_t i_title, i_part;
1293         int i_lang = dvdnav_spu_stream_to_lang( p_sys->dvdnav, i_id&0x1f );
1294         if( i_lang != 0xffff )
1295         {
1296             tk->fmt.psz_language = malloc( 3 );
1297             tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1298             tk->fmt.psz_language[1] = (i_lang     )&0xff;
1299             tk->fmt.psz_language[2] = 0;
1300         }
1301
1302         /* Palette */
1303         tk->fmt.subs.spu.palette[0] = 0xBeef;
1304         memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
1305                 16 * sizeof( uint32_t ) );
1306
1307         /* We select only when we are not in the menu */
1308         dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1309         if( i_title > 0 &&
1310             dvdnav_get_active_spu_stream( p_sys->dvdnav ) == (i_id&0x1f) )
1311         {
1312             b_select = true;
1313         }
1314     }
1315
1316     tk->es = es_out_Add( p_demux->out, &tk->fmt );
1317     if( b_select )
1318     {
1319         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1320     }
1321     tk->b_seen = true;
1322
1323     if( tk->fmt.i_cat == VIDEO_ES ) ButtonUpdate( p_demux, false );
1324 }
1325
1326 /*****************************************************************************
1327  * Still image end
1328  *****************************************************************************/
1329 static void StillTimer( void *p_data )
1330 {
1331     demux_sys_t    *p_sys = p_data;
1332
1333     vlc_mutex_lock( &p_sys->still.lock );
1334     if( likely(p_sys->still.b_enabled) )
1335     {
1336         p_sys->still.b_enabled = false;
1337         dvdnav_still_skip( p_sys->dvdnav );
1338     }
1339     vlc_mutex_unlock( &p_sys->still.lock );
1340 }
1341
1342 static int EventMouse( vlc_object_t *p_vout, char const *psz_var,
1343                        vlc_value_t oldval, vlc_value_t val, void *p_data )
1344 {
1345     demux_t *p_demux = p_data;
1346     demux_sys_t *p_sys = p_demux->p_sys;
1347
1348     /* FIXME? PCI usage thread safe? */
1349     pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1350     int x = val.coords.x;
1351     int y = val.coords.y;
1352
1353     if( psz_var[6] == 'm' ) /* mouse-moved */
1354         dvdnav_mouse_select( p_sys->dvdnav, pci, x, y );
1355     else
1356     {
1357         assert( psz_var[6] == 'c' ); /* mouse-clicked */
1358
1359         ButtonUpdate( p_demux, true );
1360         dvdnav_mouse_activate( p_sys->dvdnav, pci, x, y );
1361     }
1362     (void)p_vout;
1363     (void)oldval;
1364     return VLC_SUCCESS;
1365 }
1366
1367 static int EventKey( vlc_object_t *p_this, char const *psz_var,
1368                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
1369 {
1370     demux_t *p_demux = p_data;
1371     demux_sys_t *p_sys = p_demux->p_sys;
1372
1373     /* FIXME: thread-safe ? */
1374     pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1375
1376     switch( newval.i_int )
1377     {
1378     case ACTIONID_NAV_LEFT:
1379         dvdnav_left_button_select( p_sys->dvdnav, pci );
1380         break;
1381     case ACTIONID_NAV_RIGHT:
1382         dvdnav_right_button_select( p_sys->dvdnav, pci );
1383         break;
1384     case ACTIONID_NAV_UP:
1385         dvdnav_upper_button_select( p_sys->dvdnav, pci );
1386         break;
1387     case ACTIONID_NAV_DOWN:
1388         dvdnav_lower_button_select( p_sys->dvdnav, pci );
1389         break;
1390     case ACTIONID_NAV_ACTIVATE:
1391         ButtonUpdate( p_demux, true );
1392         dvdnav_button_activate( p_sys->dvdnav, pci );
1393         break;
1394     }
1395
1396     (void)p_this;    (void)psz_var;    (void)oldval;
1397     return VLC_SUCCESS;
1398 }
1399
1400 static int EventIntf( vlc_object_t *p_input, char const *psz_var,
1401                       vlc_value_t oldval, vlc_value_t val, void *p_data )
1402 {
1403     demux_t *p_demux = p_data;
1404     demux_sys_t *p_sys = p_demux->p_sys;
1405
1406     if (val.i_int == INPUT_EVENT_VOUT)
1407     {
1408         vlc_object_t *p_vout;
1409
1410         p_vout = p_sys->p_vout;
1411         if( p_vout != NULL )
1412         {
1413             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_demux );
1414             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_demux );
1415             vlc_object_release( p_vout );
1416         }
1417
1418         p_vout = (vlc_object_t *)input_GetVout( (input_thread_t *)p_input );
1419         p_sys->p_vout = p_vout;
1420         if( p_vout != NULL )
1421         {
1422             var_AddCallback( p_vout, "mouse-moved", EventMouse, p_demux );
1423             var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_demux );
1424         }
1425     }
1426     (void) psz_var; (void) oldval;
1427     return VLC_SUCCESS;
1428 }
1429
1430 /*****************************************************************************
1431  * ProbeDVD: very weak probing that avoids going too often into a dvdnav_open()
1432  *****************************************************************************/
1433 static int ProbeDVD( demux_t *p_demux, char *psz_name )
1434 {
1435     (void)p_demux;
1436 #ifdef HAVE_SYS_STAT_H
1437     struct stat stat_info;
1438     uint8_t pi_anchor[2];
1439     int i_fd, i_ret;
1440
1441     if( !*psz_name )
1442     {
1443         /* Triggers libdvdcss autodetection */
1444         return VLC_SUCCESS;
1445     }
1446
1447     if( (i_fd = vlc_open( psz_name, O_RDONLY |O_NONBLOCK )) == -1 )
1448     {
1449         return VLC_SUCCESS; /* Let dvdnav_open() do the probing */
1450     }
1451
1452     i_ret = VLC_EGENERIC;
1453
1454     if( fstat( i_fd, &stat_info ) || !S_ISREG( stat_info.st_mode ) )
1455     {
1456         if( !S_ISFIFO( stat_info.st_mode ) )
1457             i_ret = VLC_SUCCESS; /* Let dvdnav_open() do the probing */
1458         goto bailout;
1459     }
1460
1461     /* Try to find the anchor (2 bytes at LBA 256) */
1462     if( lseek( i_fd, 256 * DVD_VIDEO_LB_LEN, SEEK_SET ) != -1
1463      && read( i_fd, pi_anchor, 2 ) == 2
1464      && GetWLE( pi_anchor ) == 2 )
1465         i_ret = VLC_SUCCESS; /* Found a potential anchor */
1466
1467 bailout:
1468     close( i_fd );
1469
1470     return i_ret;
1471 #else
1472
1473     return VLC_SUCCESS;
1474 #endif
1475 }