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 #include <vlc_vout.h>
  42
  43 #include <vlc_dialog.h>
  44
  45 #ifdef HAVE_UNISTD_H
  46 #   include <unistd.h>
  47 #endif
  48 #include <sys/types.h>
  49 #ifdef HAVE_SYS_STAT_H
  50 #   include <sys/stat.h>
  51 #endif
  52 #ifdef HAVE_FCNTL_H
  53 #   include <fcntl.h>
  54 #endif
  55 #include <errno.h>
  56
  57 #include <vlc_keys.h>
  58 #include <vlc_iso_lang.h>
  59
  60 /* FIXME we should find a better way than including that */
  61 #include "../../src/text/iso-639_def.h"
  62
  63
  64 #include <dvdnav/dvdnav.h>
  65
  66 #include "../demux/ps.h"
  67
  68 /*****************************************************************************
  69  * Module descriptor
  70  *****************************************************************************/
  71 #define ANGLE_TEXT N_("DVD angle")
  72 #define ANGLE_LONGTEXT N_( \
  73      "Default DVD angle." )
  74
  75 #define CACHING_TEXT N_("Caching value in ms")
  76 #define CACHING_LONGTEXT N_( \
  77     "Caching value for DVDs. This "\
  78     "value should be set in milliseconds." )
  79 #define MENU_TEXT N_("Start directly in menu")
  80 #define MENU_LONGTEXT N_( \
  81     "Start the DVD directly in the main menu. This "\
  82     "will try to skip all the useless warning introductions." )
  83
  84 #define LANGUAGE_DEFAULT ("en")
  85
  86 static int  Open ( vlc_object_t * );
  87 static void Close( vlc_object_t * );
  88
  89 vlc_module_begin ()
  90     set_shortname( N_("DVD with menus") )
  91     set_description( N_("DVDnav Input") )
  92     set_category( CAT_INPUT )
  93     set_subcategory( SUBCAT_INPUT_ACCESS )
  94     add_integer( "dvdnav-angle", 1, ANGLE_TEXT,
  95         ANGLE_LONGTEXT, false )
  96     add_integer( "dvdnav-caching", DEFAULT_PTS_DELAY / 1000,
  97         CACHING_TEXT, CACHING_LONGTEXT, true )
  98     add_bool( "dvdnav-menu", true,
  99         MENU_TEXT, MENU_LONGTEXT, false )
 100     set_capability( "access_demux", 5 )
 101     add_shortcut( "dvd", "dvdnav", "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     vout_thread_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( const 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_file;
 192     char        *psz_code;
 193     bool forced = false;
 194
 195     if( p_demux->psz_access != NULL
 196      && !strncmp(p_demux->psz_access, "dvd", 3) )
 197         forced = true;
 198
 199     if( !p_demux->psz_file || !*p_demux->psz_file )
 200     {
 201         /* Only when selected */
 202         if( !forced )
 203             return VLC_EGENERIC;
 204
 205         psz_file = var_InheritString( p_this, "dvd" );
 206     }
 207     else
 208         psz_file = strdup( p_demux->psz_file );
 209
 210 #if defined( WIN32 ) || defined( __OS2__ )
 211     if( psz_file != NULL )
 212     {
 213         /* Remove trailing backslash, otherwise dvdnav_open will fail */
 214         size_t flen = strlen( psz_file );
 215         if( flen > 0 && psz_file[flen - 1] == '\\' )
 216             psz_file[flen - 1] = '\0';
 217     }
 218     else
 219         psz_file = strdup("");
 220 #endif
 221     if( unlikely(psz_file == NULL) )
 222         return VLC_EGENERIC;
 223
 224     /* Try some simple probing to avoid going through dvdnav_open too often */
 225     if( !forced && ProbeDVD( psz_file ) != VLC_SUCCESS )
 226     {
 227         free( psz_file );
 228         return VLC_EGENERIC;
 229     }
 230
 231     /* Open dvdnav */
 232     const char *psz_path = ToLocale( psz_file );
 233     if( dvdnav_open( &p_dvdnav, psz_path ) != DVDNAV_STATUS_OK )
 234         p_dvdnav = NULL;
 235     LocaleFree( psz_path );
 236     if( p_dvdnav == NULL )
 237     {
 238         msg_Warn( p_demux, "cannot open DVD (%s)", psz_file);
 239         free( psz_file );
 240         return VLC_EGENERIC;
 241     }
 242     free( psz_file );
 243
 244     /* Fill p_demux field */
 245     DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
 246     p_sys->dvdnav = p_dvdnav;
 247     p_sys->b_reset_pcr = false;
 248
 249     ps_track_init( p_sys->tk );
 250     p_sys->sar.i_num = 0;
 251     p_sys->sar.i_den = 0;
 252     p_sys->i_mux_rate = 0;
 253     p_sys->i_pgc_length = 0;
 254     p_sys->b_spu_change = false;
 255     p_sys->i_vobu_index = 0;
 256     p_sys->i_vobu_flush = 0;
 257
 258     if( 1 )
 259     {
 260         // Hack for libdvdnav CVS.
 261         // Without it dvdnav_get_number_of_titles() fails.
 262         // Remove when fixed in libdvdnav CVS.
 263         uint8_t buffer[DVD_VIDEO_LB_LEN];
 264         int i_event, i_len;
 265
 266         if( dvdnav_get_next_block( p_sys->dvdnav, buffer, &i_event, &i_len )
 267               == DVDNAV_STATUS_ERR )
 268         {
 269             msg_Warn( p_demux, "dvdnav_get_next_block failed" );
 270         }
 271
 272         dvdnav_sector_search( p_sys->dvdnav, 0, SEEK_SET );
 273     }
 274
 275     /* Configure dvdnav */
 276     if( dvdnav_set_readahead_flag( p_sys->dvdnav, DVD_READ_CACHE ) !=
 277           DVDNAV_STATUS_OK )
 278     {
 279         msg_Warn( p_demux, "cannot set read-a-head flag" );
 280     }
 281
 282     if( dvdnav_set_PGC_positioning_flag( p_sys->dvdnav, 1 ) !=
 283           DVDNAV_STATUS_OK )
 284     {
 285         msg_Warn( p_demux, "cannot set PGC positioning flag" );
 286     }
 287
 288     /* Set menu language
 289      * XXX A menu-language may be better than sub-language */
 290     psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
 291     if( dvdnav_menu_language_select( p_sys->dvdnav, psz_code ) !=
 292         DVDNAV_STATUS_OK )
 293     {
 294         msg_Warn( p_demux, "can't set menu language to '%s' (%s)",
 295                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 296         /* We try to fall back to 'en' */
 297         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 298             dvdnav_menu_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 299     }
 300     free( psz_code );
 301
 302     /* Set audio language */
 303     psz_code = DemuxGetLanguageCode( p_demux, "audio-language" );
 304     if( dvdnav_audio_language_select( p_sys->dvdnav, psz_code ) !=
 305         DVDNAV_STATUS_OK )
 306     {
 307         msg_Warn( p_demux, "can't set audio language to '%s' (%s)",
 308                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 309         /* We try to fall back to 'en' */
 310         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 311             dvdnav_audio_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 312     }
 313     free( psz_code );
 314
 315     /* Set spu language */
 316     psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
 317     if( dvdnav_spu_language_select( p_sys->dvdnav, psz_code ) !=
 318         DVDNAV_STATUS_OK )
 319     {
 320         msg_Warn( p_demux, "can't set spu language to '%s' (%s)",
 321                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 322         /* We try to fall back to 'en' */
 323         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 324             dvdnav_spu_language_select(p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 325     }
 326     free( psz_code );
 327
 328     DemuxTitles( p_demux );
 329
 330     if( var_CreateGetBool( p_demux, "dvdnav-menu" ) )
 331     {
 332         msg_Dbg( p_demux, "trying to go to dvd menu" );
 333
 334         if( dvdnav_title_play( p_sys->dvdnav, 1 ) != DVDNAV_STATUS_OK )
 335         {
 336             msg_Err( p_demux, "cannot set title (can't decrypt DVD?)" );
 337             dialog_Fatal( p_demux, _("Playback failure"), "%s",
 338                             _("VLC cannot set the DVD's title. It possibly "
 339                               "cannot decrypt the entire disc.") );
 340             dvdnav_close( p_sys->dvdnav );
 341             free( p_sys );
 342             return VLC_EGENERIC;
 343         }
 344
 345         if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title ) !=
 346             DVDNAV_STATUS_OK )
 347         {
 348             /* Try going to menu root */
 349             if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root ) !=
 350                 DVDNAV_STATUS_OK )
 351                     msg_Warn( p_demux, "cannot go to dvd menu" );
 352         }
 353     }
 354
 355     i_angle = var_CreateGetInteger( p_demux, "dvdnav-angle" );
 356     if( i_angle <= 0 ) i_angle = 1;
 357
 358     /* Update default_pts to a suitable value for dvdnav access */
 359     var_Create( p_demux, "dvdnav-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 360
 361     /* FIXME hack hack hack hack FIXME */
 362     /* Get p_input and create variable */
 363     p_sys->p_input = demux_GetParentInput( p_demux );
 364     var_Create( p_sys->p_input, "x-start", VLC_VAR_INTEGER );
 365     var_Create( p_sys->p_input, "y-start", VLC_VAR_INTEGER );
 366     var_Create( p_sys->p_input, "x-end", VLC_VAR_INTEGER );
 367     var_Create( p_sys->p_input, "y-end", VLC_VAR_INTEGER );
 368     var_Create( p_sys->p_input, "color", VLC_VAR_ADDRESS );
 369     var_Create( p_sys->p_input, "menu-palette", VLC_VAR_ADDRESS );
 370     var_Create( p_sys->p_input, "highlight", VLC_VAR_BOOL );
 371
 372     /* catch all key event */
 373     var_AddCallback( p_demux->p_libvlc, "key-action", EventKey, p_demux );
 374     /* catch vout creation event */
 375     var_AddCallback( p_sys->p_input, "intf-event", EventIntf, p_demux );
 376
 377     p_sys->still.b_enabled = false;
 378     vlc_mutex_init( &p_sys->still.lock );
 379     if( !vlc_timer_create( &p_sys->still.timer, StillTimer, p_sys ) )
 380         p_sys->still.b_created = true;
 381
 382     return VLC_SUCCESS;
 383 }
 384
 385 /*****************************************************************************
 386  * Close:
 387  *****************************************************************************/
 388 static void Close( vlc_object_t *p_this )
 389 {
 390     demux_t     *p_demux = (demux_t*)p_this;
 391     demux_sys_t *p_sys = p_demux->p_sys;
 392
 393     /* Stop vout event handler */
 394     var_DelCallback( p_sys->p_input, "intf-event", EventIntf, p_demux );
 395     if( p_sys->p_vout != NULL )
 396     {   /* Should not happen, but better be safe than sorry. */
 397         msg_Warn( p_sys->p_vout, "removing dangling mouse DVD callbacks" );
 398         var_DelCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
 399         var_DelCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
 400     }
 401
 402     /* Stop key event handler (FIXME: should really be per-vout too) */
 403     var_DelCallback( p_demux->p_libvlc, "key-action", EventKey, p_demux );
 404
 405     /* Stop still image handler */
 406     if( p_sys->still.b_created )
 407         vlc_timer_destroy( p_sys->still.timer );
 408     vlc_mutex_destroy( &p_sys->still.lock );
 409
 410     var_Destroy( p_sys->p_input, "highlight" );
 411     var_Destroy( p_sys->p_input, "x-start" );
 412     var_Destroy( p_sys->p_input, "x-end" );
 413     var_Destroy( p_sys->p_input, "y-start" );
 414     var_Destroy( p_sys->p_input, "y-end" );
 415     var_Destroy( p_sys->p_input, "color" );
 416     var_Destroy( p_sys->p_input, "menu-palette" );
 417
 418     vlc_object_release( p_sys->p_input );
 419
 420     for( int i = 0; i < PS_TK_COUNT; i++ )
 421     {
 422         ps_track_t *tk = &p_sys->tk[i];
 423         if( tk->b_seen )
 424         {
 425             es_format_Clean( &tk->fmt );
 426             if( tk->es ) es_out_Del( p_demux->out, tk->es );
 427         }
 428     }
 429
 430     /* Free the array of titles */
 431     for( int i = 0; i < p_sys->i_title; i++ )
 432         vlc_input_title_Delete( p_sys->title[i] );
 433     TAB_CLEAN( p_sys->i_title, p_sys->title );
 434
 435     dvdnav_close( p_sys->dvdnav );
 436     free( p_sys );
 437 }
 438
 439 /*****************************************************************************
 440  * Control:
 441  *****************************************************************************/
 442 static int Control( demux_t *p_demux, int i_query, va_list args )
 443 {
 444     demux_sys_t *p_sys = p_demux->p_sys;
 445     input_title_t ***ppp_title;
 446     int i;
 447
 448     switch( i_query )
 449     {
 450         case DEMUX_SET_POSITION:
 451         case DEMUX_GET_POSITION:
 452         case DEMUX_GET_TIME:
 453         case DEMUX_GET_LENGTH:
 454         {
 455             uint32_t pos, len;
 456             if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) !=
 457                   DVDNAV_STATUS_OK || len == 0 )
 458             {
 459                 return VLC_EGENERIC;
 460             }
 461
 462             switch( i_query )
 463             {
 464             case DEMUX_GET_POSITION:
 465                 *va_arg( args, double* ) = (double)pos / (double)len;
 466                 return VLC_SUCCESS;
 467
 468             case DEMUX_SET_POSITION:
 469                 pos = va_arg( args, double ) * len;
 470                 if( dvdnav_sector_search( p_sys->dvdnav, pos, SEEK_SET ) ==
 471                       DVDNAV_STATUS_OK )
 472                 {
 473                     return VLC_SUCCESS;
 474                 }
 475                 break;
 476
 477             case DEMUX_GET_TIME:
 478                 if( p_sys->i_pgc_length > 0 )
 479                 {
 480                     *va_arg( args, int64_t * ) = p_sys->i_pgc_length*pos/len;
 481                     return VLC_SUCCESS;
 482                 }
 483                 break;
 484
 485             case DEMUX_GET_LENGTH:
 486                 if( p_sys->i_pgc_length > 0 )
 487                 {
 488                     *va_arg( args, int64_t * ) = (int64_t)p_sys->i_pgc_length;
 489                     return VLC_SUCCESS;
 490                 }
 491                 break;
 492             }
 493             return VLC_EGENERIC;
 494         }
 495
 496         /* Special for access_demux */
 497         case DEMUX_CAN_PAUSE:
 498         case DEMUX_CAN_SEEK:
 499         case DEMUX_CAN_CONTROL_PACE:
 500             /* TODO */
 501             *va_arg( args, bool * ) = true;
 502             return VLC_SUCCESS;
 503
 504         case DEMUX_SET_PAUSE_STATE:
 505             return VLC_SUCCESS;
 506
 507         case DEMUX_GET_TITLE_INFO:
 508             ppp_title = va_arg( args, input_title_t*** );
 509             *va_arg( args, int* ) = p_sys->i_title;
 510             *va_arg( args, int* ) = 0; /* Title offset */
 511             *va_arg( args, int* ) = 1; /* Chapter offset */
 512
 513             /* Duplicate title infos */
 514             *ppp_title = malloc( sizeof( input_title_t ** ) * p_sys->i_title );
 515             for( i = 0; i < p_sys->i_title; i++ )
 516             {
 517                 (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->title[i] );
 518             }
 519             return VLC_SUCCESS;
 520
 521         case DEMUX_SET_TITLE:
 522             i = (int)va_arg( args, int );
 523             if( ( i == 0 && dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root )
 524                   != DVDNAV_STATUS_OK ) ||
 525                 ( i != 0 && dvdnav_title_play( p_sys->dvdnav, i )
 526                   != DVDNAV_STATUS_OK ) )
 527             {
 528                 msg_Warn( p_demux, "cannot set title/chapter" );
 529                 return VLC_EGENERIC;
 530             }
 531             p_demux->info.i_update |=
 532                 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
 533             p_demux->info.i_title = i;
 534             p_demux->info.i_seekpoint = 0;
 535             return VLC_SUCCESS;
 536
 537         case DEMUX_SET_SEEKPOINT:
 538             i = va_arg( args, int );
 539             if( p_demux->info.i_title == 0 )
 540             {
 541                 static const int argtab[] = {
 542                     DVD_MENU_Escape,
 543                     DVD_MENU_Root,
 544                     DVD_MENU_Title,
 545                     DVD_MENU_Part,
 546                     DVD_MENU_Subpicture,
 547                     DVD_MENU_Audio,
 548                     DVD_MENU_Angle
 549                 };
 550                 enum { numargs = sizeof(argtab)/sizeof(int) };
 551                 if( (unsigned)i >= numargs || DVDNAV_STATUS_OK !=
 552                            dvdnav_menu_call(p_sys->dvdnav,argtab[i]) )
 553                     return VLC_EGENERIC;
 554             }
 555             else if( dvdnav_part_play( p_sys->dvdnav, p_demux->info.i_title,
 556                                        i + 1 ) != DVDNAV_STATUS_OK )
 557             {
 558                 msg_Warn( p_demux, "cannot set title/chapter" );
 559                 return VLC_EGENERIC;
 560             }
 561             p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 562             p_demux->info.i_seekpoint = i;
 563             return VLC_SUCCESS;
 564
 565         case DEMUX_GET_PTS_DELAY:
 566             *va_arg( args, int64_t * )
 567                  = (int64_t)var_GetInteger( p_demux, "dvdnav-caching" ) *1000;
 568             return VLC_SUCCESS;
 569
 570         case DEMUX_GET_META:
 571         {
 572             const char *title_name = NULL;
 573
 574             dvdnav_get_title_string(p_sys->dvdnav, &title_name);
 575             if( (NULL != title_name) && ('\0' != title_name[0]) )
 576             {
 577                 vlc_meta_t *p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
 578                 vlc_meta_Set( p_meta, vlc_meta_Title, title_name );
 579                 return VLC_SUCCESS;
 580             }
 581             return VLC_EGENERIC;
 582         }
 583
 584         /* TODO implement others */
 585         default:
 586             return VLC_EGENERIC;
 587     }
 588 }
 589
 590 static int ControlInternal( demux_t *p_demux, int i_query, ... )
 591 {
 592     va_list args;
 593     int     i_result;
 594
 595     va_start( args, i_query );
 596     i_result = Control( p_demux, i_query, args );
 597     va_end( args );
 598
 599     return i_result;
 600 }
 601 /*****************************************************************************
 602  * Demux:
 603  *****************************************************************************/
 604 static int Demux( demux_t *p_demux )
 605 {
 606     demux_sys_t *p_sys = p_demux->p_sys;
 607
 608     uint8_t buffer[DVD_VIDEO_LB_LEN];
 609     uint8_t *packet = buffer;
 610     int i_event;
 611     int i_len;
 612
 613 #if DVD_READ_CACHE
 614     if( dvdnav_get_next_cache_block( p_sys->dvdnav, &packet, &i_event, &i_len )
 615         == DVDNAV_STATUS_ERR )
 616 #else
 617     if( dvdnav_get_next_block( p_sys->dvdnav, packet, &i_event, &i_len )
 618         == DVDNAV_STATUS_ERR )
 619 #endif
 620     {
 621         msg_Warn( p_demux, "cannot get next block (%s)",
 622                   dvdnav_err_to_string( p_sys->dvdnav ) );
 623         if( p_demux->info.i_title == 0 )
 624         {
 625             msg_Dbg( p_demux, "jumping to first title" );
 626             return ControlInternal( p_demux, DEMUX_SET_TITLE, 1 ) == VLC_SUCCESS ? 1 : -1;
 627         }
 628         return -1;
 629     }
 630
 631     switch( i_event )
 632     {
 633     case DVDNAV_BLOCK_OK:   /* mpeg block */
 634         vlc_mutex_lock( &p_sys->still.lock );
 635         vlc_timer_schedule( p_sys->still.timer, false, 0, 0 );
 636         p_sys->still.b_enabled = false;
 637         vlc_mutex_unlock( &p_sys->still.lock );
 638         if( p_sys->b_reset_pcr )
 639         {
 640             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 641             p_sys->b_reset_pcr = false;
 642         }
 643         DemuxBlock( p_demux, packet, i_len );
 644         if( p_sys->i_vobu_index > 0 )
 645         {
 646             if( p_sys->i_vobu_flush == p_sys->i_vobu_index )
 647                 DemuxForceStill( p_demux );
 648             p_sys->i_vobu_index++;
 649         }
 650         break;
 651
 652     case DVDNAV_NOP:    /* Nothing */
 653         msg_Dbg( p_demux, "DVDNAV_NOP" );
 654         break;
 655
 656     case DVDNAV_STILL_FRAME:
 657     {
 658         dvdnav_still_event_t *event = (dvdnav_still_event_t*)packet;
 659         bool b_still_init = false;
 660
 661         vlc_mutex_lock( &p_sys->still.lock );
 662         if( !p_sys->still.b_enabled )
 663         {
 664             msg_Dbg( p_demux, "DVDNAV_STILL_FRAME" );
 665             msg_Dbg( p_demux, "     - length=0x%x", event->length );
 666             p_sys->still.b_enabled = true;
 667
 668             if( event->length != 0xff && p_sys->still.b_created )
 669             {
 670                 mtime_t delay = event->length * CLOCK_FREQ;
 671                 vlc_timer_schedule( p_sys->still.timer, false, delay, 0 );
 672             }
 673
 674             b_still_init = true;
 675         }
 676         vlc_mutex_unlock( &p_sys->still.lock );
 677
 678         if( b_still_init )
 679         {
 680             DemuxForceStill( p_demux );
 681             p_sys->b_reset_pcr = true;
 682         }
 683         msleep( 40000 );
 684         break;
 685     }
 686
 687     case DVDNAV_SPU_CLUT_CHANGE:
 688     {
 689         int i;
 690
 691         msg_Dbg( p_demux, "DVDNAV_SPU_CLUT_CHANGE" );
 692         /* Update color lookup table (16 *uint32_t in packet) */
 693         memcpy( p_sys->clut, packet, 16 * sizeof( uint32_t ) );
 694
 695         /* HACK to get the SPU tracks registered in the right order */
 696         for( i = 0; i < 0x1f; i++ )
 697         {
 698             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 699                 ESNew( p_demux, 0xbd20 + i );
 700         }
 701         /* END HACK */
 702         break;
 703     }
 704
 705     case DVDNAV_SPU_STREAM_CHANGE:
 706     {
 707         dvdnav_spu_stream_change_event_t *event =
 708             (dvdnav_spu_stream_change_event_t*)packet;
 709         int i;
 710
 711         msg_Dbg( p_demux, "DVDNAV_SPU_STREAM_CHANGE" );
 712         msg_Dbg( p_demux, "     - physical_wide=%d",
 713                  event->physical_wide );
 714         msg_Dbg( p_demux, "     - physical_letterbox=%d",
 715                  event->physical_letterbox);
 716         msg_Dbg( p_demux, "     - physical_pan_scan=%d",
 717                  event->physical_pan_scan );
 718
 719         ESSubtitleUpdate( p_demux );
 720         p_sys->b_spu_change = true;
 721
 722         /* HACK to get the SPU tracks registered in the right order */
 723         for( i = 0; i < 0x1f; i++ )
 724         {
 725             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 726                 ESNew( p_demux, 0xbd20 + i );
 727         }
 728         /* END HACK */
 729         break;
 730     }
 731
 732     case DVDNAV_AUDIO_STREAM_CHANGE:
 733     {
 734         dvdnav_audio_stream_change_event_t *event =
 735             (dvdnav_audio_stream_change_event_t*)packet;
 736         msg_Dbg( p_demux, "DVDNAV_AUDIO_STREAM_CHANGE" );
 737         msg_Dbg( p_demux, "     - physical=%d", event->physical );
 738         /* TODO */
 739         break;
 740     }
 741
 742     case DVDNAV_VTS_CHANGE:
 743     {
 744         int32_t i_title = 0;
 745         int32_t i_part  = 0;
 746         int i;
 747
 748         dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t*)packet;
 749         msg_Dbg( p_demux, "DVDNAV_VTS_CHANGE" );
 750         msg_Dbg( p_demux, "     - vtsN=%d", event->new_vtsN );
 751         msg_Dbg( p_demux, "     - domain=%d", event->new_domain );
 752
 753         /* reset PCR */
 754         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 755
 756         for( i = 0; i < PS_TK_COUNT; i++ )
 757         {
 758             ps_track_t *tk = &p_sys->tk[i];
 759             if( tk->b_seen )
 760             {
 761                 es_format_Clean( &tk->fmt );
 762                 if( tk->es ) es_out_Del( p_demux->out, tk->es );
 763             }
 764             tk->b_seen = false;
 765         }
 766
 767 #if defined(HAVE_DVDNAV_GET_VIDEO_RESOLUTION)
 768         uint32_t i_width, i_height;
 769         if( dvdnav_get_video_resolution( p_sys->dvdnav,
 770                                          &i_width, &i_height ) )
 771             i_width = i_height = 0;
 772         switch( dvdnav_get_video_aspect( p_sys->dvdnav ) )
 773         {
 774         case 0:
 775             p_sys->sar.i_num = 4 * i_height;
 776             p_sys->sar.i_den = 3 * i_width;
 777             break;
 778         case 3:
 779             p_sys->sar.i_num = 16 * i_height;
 780             p_sys->sar.i_den =  9 * i_width;
 781             break;
 782         default:
 783             p_sys->sar.i_num = 0;
 784             p_sys->sar.i_den = 0;
 785             break;
 786         }
 787 #endif
 788
 789         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 790                                        &i_part ) == DVDNAV_STATUS_OK )
 791         {
 792             if( i_title >= 0 && i_title < p_sys->i_title &&
 793                 p_demux->info.i_title != i_title )
 794             {
 795                 p_demux->info.i_update |= INPUT_UPDATE_TITLE;
 796                 p_demux->info.i_title = i_title;
 797             }
 798         }
 799         break;
 800     }
 801
 802     case DVDNAV_CELL_CHANGE:
 803     {
 804         int32_t i_title = 0;
 805         int32_t i_part  = 0;
 806
 807         dvdnav_cell_change_event_t *event =
 808             (dvdnav_cell_change_event_t*)packet;
 809         msg_Dbg( p_demux, "DVDNAV_CELL_CHANGE" );
 810         msg_Dbg( p_demux, "     - cellN=%d", event->cellN );
 811         msg_Dbg( p_demux, "     - pgN=%d", event->pgN );
 812         msg_Dbg( p_demux, "     - cell_length=%"PRId64, event->cell_length );
 813         msg_Dbg( p_demux, "     - pg_length=%"PRId64, event->pg_length );
 814         msg_Dbg( p_demux, "     - pgc_length=%"PRId64, event->pgc_length );
 815         msg_Dbg( p_demux, "     - cell_start=%"PRId64, event->cell_start );
 816         msg_Dbg( p_demux, "     - pg_start=%"PRId64, event->pg_start );
 817
 818         /* Store the lenght in time of the current PGC */
 819         p_sys->i_pgc_length = event->pgc_length / 90 * 1000;
 820         p_sys->i_vobu_index = 0;
 821         p_sys->i_vobu_flush = 0;
 822
 823         /* FIXME is it correct or there is better way to know chapter change */
 824         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 825                                        &i_part ) == DVDNAV_STATUS_OK )
 826         {
 827             if( i_title >= 0 && i_title < p_sys->i_title &&
 828                 i_part >= 1 && i_part <= p_sys->title[i_title]->i_seekpoint &&
 829                 p_demux->info.i_seekpoint != i_part - 1 )
 830             {
 831                 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 832                 p_demux->info.i_seekpoint = i_part - 1;
 833             }
 834         }
 835         break;
 836     }
 837
 838     case DVDNAV_NAV_PACKET:
 839     {
 840         p_sys->i_vobu_index = 1;
 841         p_sys->i_vobu_flush = 0;
 842
 843         /* Look if we have need to force a flush (and when) */
 844         const pci_gi_t *p_pci_gi = &dvdnav_get_current_nav_pci( p_sys->dvdnav )->pci_gi;
 845         if( p_pci_gi->vobu_se_e_ptm != 0 && p_pci_gi->vobu_se_e_ptm < p_pci_gi->vobu_e_ptm )
 846         {
 847             const dsi_gi_t *p_dsi_gi = &dvdnav_get_current_nav_dsi( p_sys->dvdnav )->dsi_gi;
 848             if( p_dsi_gi->vobu_3rdref_ea != 0 )
 849                 p_sys->i_vobu_flush = p_dsi_gi->vobu_3rdref_ea;
 850             else if( p_dsi_gi->vobu_2ndref_ea != 0 )
 851                 p_sys->i_vobu_flush = p_dsi_gi->vobu_2ndref_ea;
 852             else if( p_dsi_gi->vobu_1stref_ea != 0 )
 853                 p_sys->i_vobu_flush = p_dsi_gi->vobu_1stref_ea;
 854         }
 855
 856 #ifdef DVDNAV_DEBUG
 857         msg_Dbg( p_demux, "DVDNAV_NAV_PACKET" );
 858 #endif
 859         /* A lot of thing to do here :
 860          *  - handle packet
 861          *  - fetch pts (for time display)
 862          *  - ...
 863          */
 864         DemuxBlock( p_demux, packet, i_len );
 865         if( p_sys->b_spu_change )
 866         {
 867             ButtonUpdate( p_demux, false );
 868             p_sys->b_spu_change = false;
 869         }
 870         break;
 871     }
 872
 873     case DVDNAV_STOP:   /* EOF */
 874         msg_Dbg( p_demux, "DVDNAV_STOP" );
 875
 876 #if DVD_READ_CACHE
 877         dvdnav_free_cache_block( p_sys->dvdnav, packet );
 878 #endif
 879         return 0;
 880
 881     case DVDNAV_HIGHLIGHT:
 882     {
 883         dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t*)packet;
 884         msg_Dbg( p_demux, "DVDNAV_HIGHLIGHT" );
 885         msg_Dbg( p_demux, "     - display=%d", event->display );
 886         msg_Dbg( p_demux, "     - buttonN=%d", event->buttonN );
 887         ButtonUpdate( p_demux, false );
 888         break;
 889     }
 890
 891     case DVDNAV_HOP_CHANNEL:
 892         msg_Dbg( p_demux, "DVDNAV_HOP_CHANNEL" );
 893         p_sys->i_vobu_index = 0;
 894         p_sys->i_vobu_flush = 0;
 895         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 896         break;
 897
 898     case DVDNAV_WAIT:
 899         msg_Dbg( p_demux, "DVDNAV_WAIT" );
 900
 901         bool b_empty;
 902         es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
 903         if( !b_empty )
 904         {
 905             msleep( 40*1000 );
 906         }
 907         else
 908         {
 909             dvdnav_wait_skip( p_sys->dvdnav );
 910             p_sys->b_reset_pcr = true;
 911         }
 912         break;
 913
 914     default:
 915         msg_Warn( p_demux, "Unknown event (0x%x)", i_event );
 916         break;
 917     }
 918
 919 #if DVD_READ_CACHE
 920     dvdnav_free_cache_block( p_sys->dvdnav, packet );
 921 #endif
 922
 923     return 1;
 924 }
 925
 926 /* Get a 2 char code
 927  * FIXME: partiallyy duplicated from src/input/es_out.c
 928  */
 929 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var )
 930 {
 931     const iso639_lang_t *pl;
 932     char *psz_lang;
 933     char *p;
 934
 935     psz_lang = var_CreateGetString( p_demux, psz_var );
 936     if( !psz_lang )
 937         return strdup(LANGUAGE_DEFAULT);
 938
 939     /* XXX: we will use only the first value
 940      * (and ignore other ones in case of a list) */
 941     if( ( p = strchr( psz_lang, ',' ) ) )
 942         *p = '\0';
 943
 944     for( pl = p_languages; pl->psz_eng_name != NULL; pl++ )
 945     {
 946         if( *psz_lang == '\0' )
 947             continue;
 948         if( !strcasecmp( pl->psz_eng_name, psz_lang ) ||
 949             !strcasecmp( pl->psz_native_name, psz_lang ) ||
 950             !strcasecmp( pl->psz_iso639_1, psz_lang ) ||
 951             !strcasecmp( pl->psz_iso639_2T, psz_lang ) ||
 952             !strcasecmp( pl->psz_iso639_2B, psz_lang ) )
 953             break;
 954     }
 955
 956     free( psz_lang );
 957
 958     if( pl->psz_eng_name != NULL )
 959         return strdup( pl->psz_iso639_1 );
 960
 961     return strdup(LANGUAGE_DEFAULT);
 962 }
 963
 964 static void DemuxTitles( demux_t *p_demux )
 965 {
 966     demux_sys_t *p_sys = p_demux->p_sys;
 967     input_title_t *t;
 968     seekpoint_t *s;
 969     int32_t i_titles;
 970     int i;
 971
 972     /* Menu */
 973     t = vlc_input_title_New();
 974     t->b_menu = true;
 975     t->psz_name = strdup( "DVD Menu" );
 976
 977     s = vlc_seekpoint_New();
 978     s->psz_name = strdup( "Resume" );
 979     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 980
 981     s = vlc_seekpoint_New();
 982     s->psz_name = strdup( "Root" );
 983     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 984
 985     s = vlc_seekpoint_New();
 986     s->psz_name = strdup( "Title" );
 987     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 988
 989     s = vlc_seekpoint_New();
 990     s->psz_name = strdup( "Chapter" );
 991     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 992
 993     s = vlc_seekpoint_New();
 994     s->psz_name = strdup( "Subtitle" );
 995     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 996
 997     s = vlc_seekpoint_New();
 998     s->psz_name = strdup( "Audio" );
 999     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1000
1001     s = vlc_seekpoint_New();
1002     s->psz_name = strdup( "Angle" );
1003     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1004
1005     TAB_APPEND( p_sys->i_title, p_sys->title, t );
1006
1007     /* Find out number of titles/chapters */
1008     dvdnav_get_number_of_titles( p_sys->dvdnav, &i_titles );
1009     for( i = 1; i <= i_titles; i++ )
1010     {
1011         int32_t i_chapters;
1012         uint64_t i_title_length;
1013
1014 #if defined(HAVE_DVDNAV_DESCRIBE_TITLE_CHAPTERS)
1015         uint64_t *p_chapters_time;
1016         i_chapters = dvdnav_describe_title_chapters( p_sys->dvdnav, i,
1017                                                      &p_chapters_time,
1018                                                      &i_title_length );
1019         if( i_chapters > 0 )
1020             free( p_chapters_time );
1021         else
1022             i_title_length = 0;
1023 #else
1024         if( dvdnav_get_number_of_parts( p_sys->dvdnav, i, &i_chapters ) != DVDNAV_STATUS_OK )
1025             i_chapters = 0;
1026         i_title_length = 0;
1027 #endif
1028         t = vlc_input_title_New();
1029         t->i_length = i_title_length * 1000 / 90;
1030         for( int j = 0; j < __MAX( i_chapters, 1 ); j++ )
1031         {
1032             s = vlc_seekpoint_New();
1033             TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1034         }
1035
1036         TAB_APPEND( p_sys->i_title, p_sys->title, t );
1037     }
1038 }
1039
1040 /*****************************************************************************
1041  * Update functions:
1042  *****************************************************************************/
1043 static void ButtonUpdate( demux_t *p_demux, bool b_mode )
1044 {
1045     demux_sys_t *p_sys = p_demux->p_sys;
1046     int32_t i_title, i_part;
1047
1048     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1049
1050     dvdnav_highlight_area_t hl;
1051     int32_t i_button;
1052     bool    b_button_ok;
1053
1054     if( dvdnav_get_current_highlight( p_sys->dvdnav, &i_button )
1055         != DVDNAV_STATUS_OK )
1056     {
1057         msg_Err( p_demux, "dvdnav_get_current_highlight failed" );
1058         return;
1059     }
1060
1061     b_button_ok = false;
1062     if( i_button > 0 && i_title ==  0 )
1063     {
1064         pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1065
1066         b_button_ok = DVDNAV_STATUS_OK ==
1067                   dvdnav_get_highlight_area( pci, i_button, b_mode, &hl );
1068     }
1069
1070     if( b_button_ok )
1071     {
1072         for( unsigned i = 0; i < 4; i++ )
1073         {
1074             uint32_t i_yuv = p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
1075             uint8_t i_alpha = ( (hl.palette>>(i*4))&0x0f ) * 0xff / 0xf;
1076
1077             p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
1078             p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
1079             p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
1080             p_sys->palette[i][3] = i_alpha;
1081         }
1082
1083         vlc_global_lock( VLC_HIGHLIGHT_MUTEX );
1084         var_SetInteger( p_sys->p_input, "x-start", hl.sx );
1085         var_SetInteger( p_sys->p_input, "x-end",  hl.ex );
1086         var_SetInteger( p_sys->p_input, "y-start", hl.sy );
1087         var_SetInteger( p_sys->p_input, "y-end", hl.ey );
1088
1089         var_SetAddress( p_sys->p_input, "menu-palette", p_sys->palette );
1090         var_SetBool( p_sys->p_input, "highlight", true );
1091
1092         msg_Dbg( p_demux, "buttonUpdate %d", i_button );
1093     }
1094     else
1095     {
1096         msg_Dbg( p_demux, "buttonUpdate not done b=%d t=%d",
1097                  i_button, i_title );
1098
1099         /* Show all */
1100         vlc_global_lock( VLC_HIGHLIGHT_MUTEX );
1101         var_SetBool( p_sys->p_input, "highlight", false );
1102     }
1103     vlc_global_unlock( VLC_HIGHLIGHT_MUTEX );
1104 }
1105
1106 static void ESSubtitleUpdate( demux_t *p_demux )
1107 {
1108     demux_sys_t *p_sys = p_demux->p_sys;
1109     int         i_spu = dvdnav_get_active_spu_stream( p_sys->dvdnav );
1110     int32_t i_title, i_part;
1111
1112     ButtonUpdate( p_demux, false );
1113
1114     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1115     if( i_title > 0 ) return;
1116
1117     if( i_spu >= 0 && i_spu <= 0x1f )
1118     {
1119         ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1120
1121         ESNew( p_demux, 0xbd20 + i_spu );
1122
1123         /* be sure to unselect it (reset) */
1124         es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1125                         (bool)false );
1126
1127         /* now select it */
1128         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1129     }
1130     else
1131     {
1132         for( i_spu = 0; i_spu <= 0x1F; i_spu++ )
1133         {
1134             ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1135             if( tk->b_seen )
1136             {
1137                 es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1138                                 (bool)false );
1139             }
1140         }
1141     }
1142 }
1143
1144 /*****************************************************************************
1145  * DemuxBlock: demux a given block
1146  *****************************************************************************/
1147 static int DemuxBlock( demux_t *p_demux, const uint8_t *p, int len )
1148 {
1149     demux_sys_t *p_sys = p_demux->p_sys;
1150
1151     while( len > 0 )
1152     {
1153         int i_size = ps_pkt_size( p, len );
1154         if( i_size <= 0 || i_size > len )
1155         {
1156             break;
1157         }
1158
1159         /* Create a block */
1160         block_t *p_pkt = block_New( p_demux, i_size );
1161         memcpy( p_pkt->p_buffer, p, i_size);
1162
1163         /* Parse it and send it */
1164         switch( 0x100 | p[3] )
1165         {
1166         case 0x1b9:
1167         case 0x1bb:
1168         case 0x1bc:
1169 #ifdef DVDNAV_DEBUG
1170             if( p[3] == 0xbc )
1171             {
1172                 msg_Warn( p_demux, "received a PSM packet" );
1173             }
1174             else if( p[3] == 0xbb )
1175             {
1176                 msg_Warn( p_demux, "received a SYSTEM packet" );
1177             }
1178 #endif
1179             block_Release( p_pkt );
1180             break;
1181
1182         case 0x1ba:
1183         {
1184             int64_t i_scr;
1185             int i_mux_rate;
1186             if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
1187             {
1188                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr + 1 );
1189                 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
1190             }
1191             block_Release( p_pkt );
1192             break;
1193         }
1194         default:
1195         {
1196             int i_id = ps_pkt_id( p_pkt );
1197             if( i_id >= 0xc0 )
1198             {
1199                 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1200
1201                 if( !tk->b_seen )
1202                 {
1203                     ESNew( p_demux, i_id );
1204                 }
1205                 if( tk->b_seen && tk->es &&
1206                     !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
1207                 {
1208                     es_out_Send( p_demux->out, tk->es, p_pkt );
1209                 }
1210                 else
1211                 {
1212                     block_Release( p_pkt );
1213                 }
1214             }
1215             else
1216             {
1217                 block_Release( p_pkt );
1218             }
1219             break;
1220         }
1221         }
1222
1223         p += i_size;
1224         len -= i_size;
1225     }
1226
1227     return VLC_SUCCESS;
1228 }
1229
1230 /*****************************************************************************
1231  * Force still images to be displayed by sending EOS and stopping buffering.
1232  *****************************************************************************/
1233 static void DemuxForceStill( demux_t *p_demux )
1234 {
1235     static const uint8_t buffer[] = {
1236         0x00, 0x00, 0x01, 0xe0, 0x00, 0x07,
1237         0x80, 0x00, 0x00,
1238         0x00, 0x00, 0x01, 0xB7,
1239     };
1240     DemuxBlock( p_demux, buffer, sizeof(buffer) );
1241
1242     bool b_empty;
1243     es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
1244 }
1245
1246 /*****************************************************************************
1247  * ESNew: register a new elementary stream
1248  *****************************************************************************/
1249 static void ESNew( demux_t *p_demux, int i_id )
1250 {
1251     demux_sys_t *p_sys = p_demux->p_sys;
1252     ps_track_t  *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1253     bool  b_select = false;
1254
1255     if( tk->b_seen ) return;
1256
1257     if( ps_track_fill( tk, 0, i_id ) )
1258     {
1259         msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
1260         return;
1261     }
1262
1263     /* Add a new ES */
1264     if( tk->fmt.i_cat == VIDEO_ES )
1265     {
1266         tk->fmt.video.i_sar_num = p_sys->sar.i_num;
1267         tk->fmt.video.i_sar_den = p_sys->sar.i_den;
1268         b_select = true;
1269     }
1270     else if( tk->fmt.i_cat == AUDIO_ES )
1271     {
1272         int i_audio = -1;
1273         /* find the audio number PLEASE find another way */
1274         if( (i_id&0xbdf8) == 0xbd88 )       /* dts */
1275         {
1276             i_audio = i_id&0x07;
1277         }
1278         else if( (i_id&0xbdf0) == 0xbd80 )  /* a52 */
1279         {
1280             i_audio = i_id&0xf;
1281         }
1282         else if( (i_id&0xbdf0) == 0xbda0 )  /* lpcm */
1283         {
1284             i_audio = i_id&0x1f;
1285         }
1286         else if( ( i_id&0xe0 ) == 0xc0 )    /* mpga */
1287         {
1288             i_audio = i_id&0x1f;
1289         }
1290         if( i_audio >= 0 )
1291         {
1292             int i_lang = dvdnav_audio_stream_to_lang( p_sys->dvdnav, i_audio );
1293             if( i_lang != 0xffff )
1294             {
1295                 tk->fmt.psz_language = malloc( 3 );
1296                 tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1297                 tk->fmt.psz_language[1] = (i_lang     )&0xff;
1298                 tk->fmt.psz_language[2] = 0;
1299             }
1300             if( dvdnav_get_active_audio_stream( p_sys->dvdnav ) == i_audio )
1301             {
1302                 b_select = true;
1303             }
1304         }
1305     }
1306     else if( tk->fmt.i_cat == SPU_ES )
1307     {
1308         int32_t i_title, i_part;
1309         int i_lang = dvdnav_spu_stream_to_lang( p_sys->dvdnav, i_id&0x1f );
1310         if( i_lang != 0xffff )
1311         {
1312             tk->fmt.psz_language = malloc( 3 );
1313             tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1314             tk->fmt.psz_language[1] = (i_lang     )&0xff;
1315             tk->fmt.psz_language[2] = 0;
1316         }
1317
1318         /* Palette */
1319         tk->fmt.subs.spu.palette[0] = 0xBeef;
1320         memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
1321                 16 * sizeof( uint32_t ) );
1322
1323         /* We select only when we are not in the menu */
1324         dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1325         if( i_title > 0 &&
1326             dvdnav_get_active_spu_stream( p_sys->dvdnav ) == (i_id&0x1f) )
1327         {
1328             b_select = true;
1329         }
1330     }
1331
1332     tk->es = es_out_Add( p_demux->out, &tk->fmt );
1333     if( b_select )
1334     {
1335         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1336     }
1337     tk->b_seen = true;
1338
1339     if( tk->fmt.i_cat == VIDEO_ES ) ButtonUpdate( p_demux, false );
1340 }
1341
1342 /*****************************************************************************
1343  * Still image end
1344  *****************************************************************************/
1345 static void StillTimer( void *p_data )
1346 {
1347     demux_sys_t    *p_sys = p_data;
1348
1349     vlc_mutex_lock( &p_sys->still.lock );
1350     if( likely(p_sys->still.b_enabled) )
1351     {
1352         p_sys->still.b_enabled = false;
1353         dvdnav_still_skip( p_sys->dvdnav );
1354     }
1355     vlc_mutex_unlock( &p_sys->still.lock );
1356 }
1357
1358 static int EventMouse( vlc_object_t *p_vout, char const *psz_var,
1359                        vlc_value_t oldval, vlc_value_t val, void *p_data )
1360 {
1361     demux_t *p_demux = p_data;
1362     demux_sys_t *p_sys = p_demux->p_sys;
1363
1364     /* FIXME? PCI usage thread safe? */
1365     pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1366     int x = val.coords.x;
1367     int y = val.coords.y;
1368
1369     if( psz_var[6] == 'm' ) /* mouse-moved */
1370         dvdnav_mouse_select( p_sys->dvdnav, pci, x, y );
1371     else
1372     {
1373         assert( psz_var[6] == 'c' ); /* mouse-clicked */
1374
1375         ButtonUpdate( p_demux, true );
1376         dvdnav_mouse_activate( p_sys->dvdnav, pci, x, y );
1377     }
1378     (void)p_vout;
1379     (void)oldval;
1380     return VLC_SUCCESS;
1381 }
1382
1383 static int EventKey( vlc_object_t *p_this, char const *psz_var,
1384                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
1385 {
1386     demux_t *p_demux = p_data;
1387     demux_sys_t *p_sys = p_demux->p_sys;
1388
1389     /* FIXME: thread-safe ? */
1390     pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1391
1392     switch( newval.i_int )
1393     {
1394     case ACTIONID_NAV_LEFT:
1395         dvdnav_left_button_select( p_sys->dvdnav, pci );
1396         break;
1397     case ACTIONID_NAV_RIGHT:
1398         dvdnav_right_button_select( p_sys->dvdnav, pci );
1399         break;
1400     case ACTIONID_NAV_UP:
1401         dvdnav_upper_button_select( p_sys->dvdnav, pci );
1402         break;
1403     case ACTIONID_NAV_DOWN:
1404         dvdnav_lower_button_select( p_sys->dvdnav, pci );
1405         break;
1406     case ACTIONID_NAV_ACTIVATE:
1407         ButtonUpdate( p_demux, true );
1408         dvdnav_button_activate( p_sys->dvdnav, pci );
1409         break;
1410     }
1411
1412     (void)p_this;    (void)psz_var;    (void)oldval;
1413     return VLC_SUCCESS;
1414 }
1415
1416 static int EventIntf( vlc_object_t *p_input, char const *psz_var,
1417                       vlc_value_t oldval, vlc_value_t val, void *p_data )
1418 {
1419     demux_t *p_demux = p_data;
1420     demux_sys_t *p_sys = p_demux->p_sys;
1421
1422     if (val.i_int == INPUT_EVENT_VOUT)
1423     {
1424         if( p_sys->p_vout != NULL )
1425         {
1426             var_DelCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
1427             var_DelCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
1428             vlc_object_release( p_sys->p_vout );
1429         }
1430
1431         p_sys->p_vout = input_GetVout( (input_thread_t *)p_input );
1432         if( p_sys->p_vout != NULL )
1433         {
1434             var_AddCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
1435             var_AddCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
1436         }
1437     }
1438     (void) psz_var; (void) oldval;
1439     return VLC_SUCCESS;
1440 }
1441
1442 /*****************************************************************************
1443  * ProbeDVD: very weak probing that avoids going too often into a dvdnav_open()
1444  *****************************************************************************/
1445 static int ProbeDVD( const char *psz_name )
1446 {
1447     if( !*psz_name )
1448         /* Triggers libdvdcss autodetection */
1449         return VLC_SUCCESS;
1450
1451     int fd = vlc_open( psz_name, O_RDONLY | O_NONBLOCK );
1452     if( fd == -1 )
1453 #ifdef HAVE_FDOPENDIR
1454         return VLC_EGENERIC;
1455 #else
1456         return (errno == ENOENT) ? VLC_EGENERIC : VLC_SUCCESS;
1457 #endif
1458
1459     int ret = VLC_EGENERIC;
1460
1461 #ifdef HAVE_SYS_STAT_H
1462     struct stat stat_info;
1463
1464     if( fstat( fd, &stat_info ) == -1 )
1465          goto bailout;
1466
1467     if( !S_ISREG( stat_info.st_mode ) )
1468     {
1469         if( S_ISDIR( stat_info.st_mode ) || S_ISBLK( stat_info.st_mode ) )
1470             ret = VLC_SUCCESS; /* Let dvdnav_open() do the probing */
1471         goto bailout;
1472     }
1473 #endif
1474     /* Match extension as the anchor exhibits too many false positives */
1475     const char *ext = strrchr( psz_name, '.' );
1476     if( ext == NULL )
1477         goto bailout;
1478     ext++;
1479     if( strcasecmp( ext, "iso" ) && strcasecmp( ext, "img" ) )
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
1490 bailout:
1491     close( fd );
1492     return ret;
1493 }