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 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
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 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 <vlc/vlc.h>
  33 #include <vlc_input.h>
  34 #include <vlc_access.h>
  35 #include <vlc_demux.h>
  36 #include <vlc_charset.h>
  37
  38 #include <vlc_interface.h>
  39
  40 #ifdef HAVE_UNISTD_H
  41 #   include <unistd.h>
  42 #endif
  43 #ifdef HAVE_SYS_TYPES_H
  44 #   include <sys/types.h>
  45 #endif
  46 #ifdef HAVE_SYS_STAT_H
  47 #   include <sys/stat.h>
  48 #endif
  49 #ifdef HAVE_FCNTL_H
  50 #   include <fcntl.h>
  51 #endif
  52
  53 #include "vlc_keys.h"
  54 #include "iso_lang.h"
  55
  56 /* FIXME we should find a better way than including that */
  57 #include "../../src/text/iso-639_def.h"
  58
  59
  60 #include <dvdnav/dvdnav.h>
  61
  62 #include "../demux/ps.h"
  63
  64 /*****************************************************************************
  65  * Module descriptor
  66  *****************************************************************************/
  67 #define ANGLE_TEXT N_("DVD angle")
  68 #define ANGLE_LONGTEXT N_( \
  69      "Default DVD angle." )
  70
  71 #define CACHING_TEXT N_("Caching value in ms")
  72 #define CACHING_LONGTEXT N_( \
  73     "Caching value for DVDs. This "\
  74     "value should be set in milliseconds." )
  75 #define MENU_TEXT N_("Start directly in menu")
  76 #define MENU_LONGTEXT N_( \
  77     "Start the DVD directly in the main menu. This "\
  78     "will try to skip all the useless warning introductions." )
  79
  80 #define LANGUAGE_DEFAULT ("en")
  81
  82 static int  Open ( vlc_object_t * );
  83 static void Close( vlc_object_t * );
  84
  85 vlc_module_begin();
  86     set_shortname( _("DVD with menus") );
  87     set_description( _("DVDnav Input") );
  88     set_category( CAT_INPUT );
  89     set_subcategory( SUBCAT_INPUT_ACCESS );
  90     add_integer( "dvdnav-angle", 1, NULL, ANGLE_TEXT,
  91         ANGLE_LONGTEXT, false );
  92     add_integer( "dvdnav-caching", DEFAULT_PTS_DELAY / 1000, NULL,
  93         CACHING_TEXT, CACHING_LONGTEXT, true );
  94     add_bool( "dvdnav-menu", true, NULL,
  95         MENU_TEXT, MENU_LONGTEXT, false );
  96     set_capability( "access_demux", 5 );
  97     add_shortcut( "dvd" );
  98     add_shortcut( "dvdnav" );
  99     set_callbacks( Open, Close );
 100 vlc_module_end();
 101
 102 /* Shall we use libdvdnav's read ahead cache? */
 103 #define DVD_READ_CACHE 1
 104
 105 /*****************************************************************************
 106  * Local prototypes
 107  *****************************************************************************/
 108 typedef struct
 109 {
 110     VLC_COMMON_MEMBERS
 111
 112     demux_t        *p_demux;
 113     vlc_mutex_t     lock;
 114
 115     bool      b_moved;
 116     bool      b_clicked;
 117     int             i_key_action;
 118
 119     bool      b_still;
 120     int64_t         i_still_end;
 121
 122 } event_thread_t;
 123
 124 static int EventThread( vlc_object_t * );
 125
 126 struct demux_sys_t
 127 {
 128     dvdnav_t    *dvdnav;
 129
 130     /* track */
 131     ps_track_t  tk[PS_TK_COUNT];
 132     int         i_mux_rate;
 133
 134     /* for spu variables */
 135     input_thread_t *p_input;
 136
 137     /* event */
 138     event_thread_t *p_ev;
 139
 140     /* palette for menus */
 141     uint32_t clut[16];
 142     uint8_t  palette[4][4];
 143     bool b_spu_change;
 144
 145     /* */
 146     int i_aspect;
 147
 148     int           i_title;
 149     input_title_t **title;
 150
 151     /* lenght of program group chain */
 152     mtime_t     i_pgc_length;
 153 };
 154
 155 static int Control( demux_t *, int, va_list );
 156 static int Demux( demux_t * );
 157 static int DemuxBlock( demux_t *, uint8_t *, int );
 158
 159 static void DemuxTitles( demux_t * );
 160 static void ESSubtitleUpdate( demux_t * );
 161 static void ButtonUpdate( demux_t *, bool );
 162
 163 static void ESNew( demux_t *, int );
 164 static int ProbeDVD( demux_t *, char * );
 165
 166 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var );
 167
 168 /*****************************************************************************
 169  * DemuxOpen:
 170  *****************************************************************************/
 171 static int Open( vlc_object_t *p_this )
 172 {
 173     demux_t     *p_demux = (demux_t*)p_this;
 174     demux_sys_t *p_sys;
 175     dvdnav_t    *p_dvdnav;
 176     int         i_angle;
 177     char        *psz_name;
 178     char        *psz_code;
 179     vlc_value_t val;
 180
 181     if( !p_demux->psz_path || !*p_demux->psz_path )
 182     {
 183         /* Only when selected */
 184         if( !p_this->b_force ) return VLC_EGENERIC;
 185
 186         psz_name = var_CreateGetString( p_this, "dvd" );
 187         if( !psz_name )
 188         {
 189             psz_name = strdup("");
 190         }
 191     }
 192     else
 193         psz_name = ToLocaleDup( p_demux->psz_path );
 194
 195 #ifdef WIN32
 196     if( psz_name[0] && psz_name[1] == ':' &&
 197         psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
 198 #endif
 199
 200     /* Try some simple probing to avoid going through dvdnav_open too often */
 201     if( ProbeDVD( p_demux, psz_name ) != VLC_SUCCESS )
 202     {
 203         free( psz_name );
 204         return VLC_EGENERIC;
 205     }
 206
 207     /* Open dvdnav */
 208     if( dvdnav_open( &p_dvdnav, psz_name ) != DVDNAV_STATUS_OK )
 209     {
 210         msg_Warn( p_demux, "cannot open dvdnav" );
 211         free( psz_name );
 212         return VLC_EGENERIC;
 213     }
 214     free( psz_name );
 215
 216     /* Fill p_demux field */
 217     DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
 218     p_sys->dvdnav = p_dvdnav;
 219
 220     ps_track_init( p_sys->tk );
 221     p_sys->i_aspect = -1;
 222     p_sys->i_mux_rate = 0;
 223     p_sys->i_pgc_length = 0;
 224     p_sys->b_spu_change = false;
 225
 226     if( 1 )
 227     {
 228         // Hack for libdvdnav CVS.
 229         // Without it dvdnav_get_number_of_titles() fails.
 230         // Remove when fixed in libdvdnav CVS.
 231         uint8_t buffer[DVD_VIDEO_LB_LEN];
 232         int i_event, i_len;
 233
 234         if( dvdnav_get_next_block( p_sys->dvdnav, buffer, &i_event, &i_len )
 235               == DVDNAV_STATUS_ERR )
 236         {
 237             msg_Warn( p_demux, "dvdnav_get_next_block failed" );
 238         }
 239
 240         dvdnav_sector_search( p_sys->dvdnav, 0, SEEK_SET );
 241     }
 242
 243     /* Configure dvdnav */
 244     if( dvdnav_set_readahead_flag( p_sys->dvdnav, DVD_READ_CACHE ) !=
 245           DVDNAV_STATUS_OK )
 246     {
 247         msg_Warn( p_demux, "cannot set read-a-head flag" );
 248     }
 249
 250     if( dvdnav_set_PGC_positioning_flag( p_sys->dvdnav, 1 ) !=
 251           DVDNAV_STATUS_OK )
 252     {
 253         msg_Warn( p_demux, "cannot set PGC positioning flag" );
 254     }
 255
 256     /* Set menu language ("en")
 257      * XXX: maybe it would be better to set it like audio/spu
 258      * or to create a --menu-language option */
 259     if( dvdnav_menu_language_select( p_sys->dvdnav, LANGUAGE_DEFAULT ) !=
 260         DVDNAV_STATUS_OK )
 261     {
 262         msg_Warn( p_demux, "can't set menu language to '%s' (%s)",
 263                   LANGUAGE_DEFAULT, dvdnav_err_to_string( p_sys->dvdnav ) );
 264     }
 265
 266     /* Set audio language */
 267     psz_code = DemuxGetLanguageCode( p_demux, "audio-language" );
 268     if( dvdnav_audio_language_select( p_sys->dvdnav, psz_code ) !=
 269         DVDNAV_STATUS_OK )
 270     {
 271         msg_Warn( p_demux, "can't set audio language to '%s' (%s)",
 272                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 273         /* We try to fall back to 'en' */
 274         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 275             dvdnav_audio_language_select( p_sys->dvdnav, LANGUAGE_DEFAULT );
 276     }
 277     free( psz_code );
 278
 279     /* Set spu language */
 280     psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
 281     if( dvdnav_spu_language_select( p_sys->dvdnav, psz_code ) !=
 282         DVDNAV_STATUS_OK )
 283     {
 284         msg_Warn( p_demux, "can't set spu 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_spu_language_select(p_sys->dvdnav, LANGUAGE_DEFAULT );
 289     }
 290     free( psz_code );
 291
 292     DemuxTitles( p_demux );
 293
 294     var_Create( p_demux, "dvdnav-menu", VLC_VAR_BOOL|VLC_VAR_DOINHERIT );
 295     var_Get( p_demux, "dvdnav-menu", &val );
 296     if( val.b_bool )
 297     {
 298         msg_Dbg( p_demux, "trying to go to dvd menu" );
 299
 300         if( dvdnav_title_play( p_sys->dvdnav, 1 ) != DVDNAV_STATUS_OK )
 301         {
 302             msg_Err( p_demux, "cannot set title (can't decrypt DVD?)" );
 303             intf_UserFatal( p_demux, false, _("Playback failure"),
 304                             _("VLC cannot set the DVD's title. It possibly "
 305                               "cannot decrypt the entire disk.") );
 306             dvdnav_close( p_sys->dvdnav );
 307             free( p_sys );
 308             return VLC_EGENERIC;
 309         }
 310
 311         if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title ) !=
 312             DVDNAV_STATUS_OK )
 313         {
 314             /* Try going to menu root */
 315             if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root ) !=
 316                 DVDNAV_STATUS_OK )
 317                     msg_Warn( p_demux, "cannot go to dvd menu" );
 318         }
 319     }
 320
 321     var_Create( p_demux, "dvdnav-angle", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 322     var_Get( p_demux, "dvdnav-angle", &val );
 323     i_angle = val.i_int > 0 ? val.i_int : 1;
 324
 325     /* Update default_pts to a suitable value for dvdnav access */
 326     var_Create( p_demux, "dvdnav-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 327
 328     /* FIXME hack hack hack hack FIXME */
 329     /* Get p_input and create variable */
 330     p_sys->p_input = vlc_object_find( p_demux, VLC_OBJECT_INPUT, FIND_PARENT );
 331     var_Create( p_sys->p_input, "x-start", VLC_VAR_INTEGER );
 332     var_Create( p_sys->p_input, "y-start", VLC_VAR_INTEGER );
 333     var_Create( p_sys->p_input, "x-end", VLC_VAR_INTEGER );
 334     var_Create( p_sys->p_input, "y-end", VLC_VAR_INTEGER );
 335     var_Create( p_sys->p_input, "color", VLC_VAR_ADDRESS );
 336     var_Create( p_sys->p_input, "menu-palette", VLC_VAR_ADDRESS );
 337     var_Create( p_sys->p_input, "highlight", VLC_VAR_BOOL );
 338     var_Create( p_sys->p_input, "highlight-mutex", VLC_VAR_MUTEX );
 339
 340     /* Now create our event thread catcher */
 341     p_sys->p_ev = vlc_object_create( p_demux, sizeof( event_thread_t ) );
 342     p_sys->p_ev->p_demux = p_demux;
 343     vlc_thread_create( p_sys->p_ev, "dvdnav event thread handler", EventThread,
 344                        VLC_THREAD_PRIORITY_LOW, false );
 345
 346     return VLC_SUCCESS;
 347 }
 348
 349 /*****************************************************************************
 350  * Close:
 351  *****************************************************************************/
 352 static void Close( vlc_object_t *p_this )
 353 {
 354     demux_t     *p_demux = (demux_t*)p_this;
 355     demux_sys_t *p_sys = p_demux->p_sys;
 356     int i;
 357
 358     /* stop the event handler */
 359     vlc_object_kill( p_sys->p_ev );
 360     vlc_thread_join( p_sys->p_ev );
 361     vlc_object_release( p_sys->p_ev );
 362
 363     var_Destroy( p_sys->p_input, "highlight-mutex" );
 364     var_Destroy( p_sys->p_input, "highlight" );
 365     var_Destroy( p_sys->p_input, "x-start" );
 366     var_Destroy( p_sys->p_input, "x-end" );
 367     var_Destroy( p_sys->p_input, "y-start" );
 368     var_Destroy( p_sys->p_input, "y-end" );
 369     var_Destroy( p_sys->p_input, "color" );
 370     var_Destroy( p_sys->p_input, "menu-palette" );
 371
 372     vlc_object_release( p_sys->p_input );
 373
 374     for( i = 0; i < PS_TK_COUNT; i++ )
 375     {
 376         ps_track_t *tk = &p_sys->tk[i];
 377         if( tk->b_seen )
 378         {
 379             es_format_Clean( &tk->fmt );
 380             if( tk->es ) es_out_Del( p_demux->out, tk->es );
 381         }
 382     }
 383
 384     dvdnav_close( p_sys->dvdnav );
 385     free( p_sys );
 386 }
 387
 388 /*****************************************************************************
 389  * Control:
 390  *****************************************************************************/
 391 static int Control( demux_t *p_demux, int i_query, va_list args )
 392 {
 393     demux_sys_t *p_sys = p_demux->p_sys;
 394     double f, *pf;
 395     bool *pb;
 396     int64_t *pi64;
 397     input_title_t ***ppp_title;
 398     int          *pi_int;
 399     int i;
 400
 401     switch( i_query )
 402     {
 403         case DEMUX_SET_POSITION:
 404         case DEMUX_GET_POSITION:
 405         case DEMUX_GET_TIME:
 406         case DEMUX_GET_LENGTH:
 407         {
 408             uint32_t pos, len;
 409             if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) !=
 410                   DVDNAV_STATUS_OK || len == 0 )
 411             {
 412                 return VLC_EGENERIC;
 413             }
 414
 415             if( i_query == DEMUX_GET_POSITION )
 416             {
 417                 pf = (double*)va_arg( args, double* );
 418                 *pf = (double)pos / (double)len;
 419                 return VLC_SUCCESS;
 420             }
 421             else if( i_query == DEMUX_SET_POSITION )
 422             {
 423                 f = (double)va_arg( args, double );
 424                 pos = f * len;
 425                 if( dvdnav_sector_search( p_sys->dvdnav, pos, SEEK_SET ) ==
 426                       DVDNAV_STATUS_OK )
 427                 {
 428                     return VLC_SUCCESS;
 429                 }
 430             }
 431             else if( i_query == DEMUX_GET_TIME )
 432             {
 433                 pi64 = (int64_t*)va_arg( args, int64_t * );
 434                 if( p_sys->i_pgc_length > 0 )
 435                 {
 436                     *pi64 = p_sys->i_pgc_length * pos / len;
 437                     return VLC_SUCCESS;
 438                 }
 439             }
 440             else if( i_query == DEMUX_GET_LENGTH )
 441             {
 442                 pi64 = (int64_t*)va_arg( args, int64_t * );
 443                 if( p_sys->i_pgc_length > 0 )
 444                 {
 445                     *pi64 = (int64_t)p_sys->i_pgc_length;
 446                     return VLC_SUCCESS;
 447                 }
 448             }
 449
 450             return VLC_EGENERIC;
 451         }
 452
 453         /* Special for access_demux */
 454         case DEMUX_CAN_PAUSE:
 455         case DEMUX_CAN_SEEK:
 456         case DEMUX_CAN_CONTROL_PACE:
 457             /* TODO */
 458             pb = (bool*)va_arg( args, bool * );
 459             *pb = true;
 460             return VLC_SUCCESS;
 461
 462         case DEMUX_SET_PAUSE_STATE:
 463             return VLC_SUCCESS;
 464
 465         case DEMUX_GET_TITLE_INFO:
 466             ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
 467             pi_int    = (int*)va_arg( args, int* );
 468             *((int*)va_arg( args, int* )) = 0; /* Title offset */
 469             *((int*)va_arg( args, int* )) = 1; /* Chapter offset */
 470
 471             /* Duplicate title infos */
 472             *pi_int = p_sys->i_title;
 473             *ppp_title = malloc( sizeof( input_title_t ** ) * p_sys->i_title );
 474             for( i = 0; i < p_sys->i_title; i++ )
 475             {
 476                 (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->title[i] );
 477             }
 478             return VLC_SUCCESS;
 479
 480         case DEMUX_SET_TITLE:
 481             i = (int)va_arg( args, int );
 482             if( ( i == 0 && dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root )
 483                   != DVDNAV_STATUS_OK ) ||
 484                 ( i != 0 && dvdnav_title_play( p_sys->dvdnav, i )
 485                   != DVDNAV_STATUS_OK ) )
 486             {
 487                 msg_Warn( p_demux, "cannot set title/chapter" );
 488                 return VLC_EGENERIC;
 489             }
 490             p_demux->info.i_update |=
 491                 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
 492             p_demux->info.i_title = i;
 493             p_demux->info.i_seekpoint = 0;
 494             return VLC_SUCCESS;
 495
 496         case DEMUX_SET_SEEKPOINT:
 497             i = (int)va_arg( args, int );
 498             if( p_demux->info.i_title == 0 )
 499             {
 500                 int i_ret;
 501                 /* Special case */
 502                 switch( i )
 503                 {
 504                 case 0:
 505                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Escape );
 506                     break;
 507                 case 1:
 508                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root );
 509                     break;
 510                 case 2:
 511                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title );
 512                     break;
 513                 case 3:
 514                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Part );
 515                     break;
 516                 case 4:
 517                     i_ret = dvdnav_menu_call( p_sys->dvdnav,
 518                                               DVD_MENU_Subpicture );
 519                     break;
 520                 case 5:
 521                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Audio );
 522                     break;
 523                 case 6:
 524                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Angle );
 525                     break;
 526                 default:
 527                     return VLC_EGENERIC;
 528                 }
 529
 530                 if( i_ret != DVDNAV_STATUS_OK )
 531                     return VLC_EGENERIC;
 532             }
 533             else if( dvdnav_part_play( p_sys->dvdnav, p_demux->info.i_title,
 534                                        i + 1 ) != DVDNAV_STATUS_OK )
 535             {
 536                 msg_Warn( p_demux, "cannot set title/chapter" );
 537                 return VLC_EGENERIC;
 538             }
 539             p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 540             p_demux->info.i_seekpoint = i;
 541             return VLC_SUCCESS;
 542
 543         case DEMUX_GET_PTS_DELAY:
 544             pi64 = (int64_t*)va_arg( args, int64_t * );
 545             *pi64 = (int64_t)var_GetInteger( p_demux, "dvdnav-caching" ) *1000;
 546             return VLC_SUCCESS;
 547
 548         case DEMUX_GET_META:
 549         {
 550             const char *title_name = NULL;
 551
 552             dvdnav_get_title_string(p_sys->dvdnav, &title_name);
 553             if( (NULL != title_name) && ('\0' != title_name[0]) )
 554             {
 555                 vlc_meta_t *p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
 556                 vlc_meta_Set( p_meta, vlc_meta_Title, title_name );
 557                 return VLC_SUCCESS;
 558             }
 559             return VLC_EGENERIC;
 560         }
 561
 562         /* TODO implement others */
 563         default:
 564             return VLC_EGENERIC;
 565     }
 566 }
 567
 568 /*****************************************************************************
 569  * Demux:
 570  *****************************************************************************/
 571 static int Demux( demux_t *p_demux )
 572 {
 573     demux_sys_t *p_sys = p_demux->p_sys;
 574
 575     uint8_t buffer[DVD_VIDEO_LB_LEN];
 576     uint8_t *packet = buffer;
 577     int i_event;
 578     int i_len;
 579
 580 #if DVD_READ_CACHE
 581     if( dvdnav_get_next_cache_block( p_sys->dvdnav, &packet, &i_event, &i_len )
 582         == DVDNAV_STATUS_ERR )
 583 #else
 584     if( dvdnav_get_next_block( p_sys->dvdnav, packet, &i_event, &i_len )
 585         == DVDNAV_STATUS_ERR )
 586 #endif
 587     {
 588         msg_Warn( p_demux, "cannot get next block (%s)",
 589                   dvdnav_err_to_string( p_sys->dvdnav ) );
 590         return -1;
 591     }
 592
 593     switch( i_event )
 594     {
 595     case DVDNAV_BLOCK_OK:   /* mpeg block */
 596         DemuxBlock( p_demux, packet, i_len );
 597         break;
 598
 599     case DVDNAV_NOP:    /* Nothing */
 600         msg_Dbg( p_demux, "DVDNAV_NOP" );
 601         break;
 602
 603     case DVDNAV_STILL_FRAME:
 604     {
 605         dvdnav_still_event_t *event = (dvdnav_still_event_t*)packet;
 606         vlc_mutex_lock( &p_sys->p_ev->lock );
 607         if( !p_sys->p_ev->b_still )
 608         {
 609             msg_Dbg( p_demux, "DVDNAV_STILL_FRAME" );
 610             msg_Dbg( p_demux, "     - length=0x%x", event->length );
 611             p_sys->p_ev->b_still = true;
 612             if( event->length == 0xff )
 613             {
 614                 p_sys->p_ev->i_still_end = 0;
 615             }
 616             else
 617             {
 618                 p_sys->p_ev->i_still_end = (int64_t)event->length *
 619                     1000000 + mdate() + p_sys->p_input->i_pts_delay;
 620             }
 621         }
 622         vlc_mutex_unlock( &p_sys->p_ev->lock );
 623         msleep( 40000 );
 624         break;
 625     }
 626
 627     case DVDNAV_SPU_CLUT_CHANGE:
 628     {
 629         int i;
 630
 631         msg_Dbg( p_demux, "DVDNAV_SPU_CLUT_CHANGE" );
 632         /* Update color lookup table (16 *uint32_t in packet) */
 633         memcpy( p_sys->clut, packet, 16 * sizeof( uint32_t ) );
 634
 635         /* HACK to get the SPU tracks registered in the right order */
 636         for( i = 0; i < 0x1f; i++ )
 637         {
 638             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 639                 ESNew( p_demux, 0xbd20 + i );
 640         }
 641         /* END HACK */
 642         break;
 643     }
 644
 645     case DVDNAV_SPU_STREAM_CHANGE:
 646     {
 647         dvdnav_spu_stream_change_event_t *event =
 648             (dvdnav_spu_stream_change_event_t*)packet;
 649         int i;
 650
 651         msg_Dbg( p_demux, "DVDNAV_SPU_STREAM_CHANGE" );
 652         msg_Dbg( p_demux, "     - physical_wide=%d",
 653                  event->physical_wide );
 654         msg_Dbg( p_demux, "     - physical_letterbox=%d",
 655                  event->physical_letterbox);
 656         msg_Dbg( p_demux, "     - physical_pan_scan=%d",
 657                  event->physical_pan_scan );
 658
 659         ESSubtitleUpdate( p_demux );
 660         p_sys->b_spu_change = true;
 661
 662         /* HACK to get the SPU tracks registered in the right order */
 663         for( i = 0; i < 0x1f; i++ )
 664         {
 665             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 666                 ESNew( p_demux, 0xbd20 + i );
 667         }
 668         /* END HACK */
 669         break;
 670     }
 671
 672     case DVDNAV_AUDIO_STREAM_CHANGE:
 673     {
 674         dvdnav_audio_stream_change_event_t *event =
 675             (dvdnav_audio_stream_change_event_t*)packet;
 676         msg_Dbg( p_demux, "DVDNAV_AUDIO_STREAM_CHANGE" );
 677         msg_Dbg( p_demux, "     - physical=%d", event->physical );
 678         /* TODO */
 679         break;
 680     }
 681
 682     case DVDNAV_VTS_CHANGE:
 683     {
 684         int32_t i_title = 0;
 685         int32_t i_part  = 0;
 686         int i;
 687
 688         dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t*)packet;
 689         msg_Dbg( p_demux, "DVDNAV_VTS_CHANGE" );
 690         msg_Dbg( p_demux, "     - vtsN=%d", event->new_vtsN );
 691         msg_Dbg( p_demux, "     - domain=%d", event->new_domain );
 692
 693         /* dvdnav_get_video_aspect / dvdnav_get_video_scale_permission */
 694         /* TODO check if we always have VTS and CELL */
 695         p_sys->i_aspect = dvdnav_get_video_aspect( p_sys->dvdnav );
 696
 697         /* reset PCR */
 698         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 699
 700         for( i = 0; i < PS_TK_COUNT; i++ )
 701         {
 702             ps_track_t *tk = &p_sys->tk[i];
 703             if( tk->b_seen )
 704             {
 705                 es_format_Clean( &tk->fmt );
 706                 if( tk->es ) es_out_Del( p_demux->out, tk->es );
 707             }
 708             tk->b_seen = false;
 709         }
 710
 711         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 712                                        &i_part ) == DVDNAV_STATUS_OK )
 713         {
 714             if( i_title >= 0 && i_title < p_sys->i_title &&
 715                 p_demux->info.i_title != i_title )
 716             {
 717                 p_demux->info.i_update |= INPUT_UPDATE_TITLE;
 718                 p_demux->info.i_title = i_title;
 719             }
 720         }
 721         break;
 722     }
 723
 724     case DVDNAV_CELL_CHANGE:
 725     {
 726         int32_t i_title = 0;
 727         int32_t i_part  = 0;
 728
 729         dvdnav_cell_change_event_t *event =
 730             (dvdnav_cell_change_event_t*)packet;
 731         msg_Dbg( p_demux, "DVDNAV_CELL_CHANGE" );
 732         msg_Dbg( p_demux, "     - cellN=%d", event->cellN );
 733         msg_Dbg( p_demux, "     - pgN=%d", event->pgN );
 734         msg_Dbg( p_demux, "     - cell_length="I64Fd, event->cell_length );
 735         msg_Dbg( p_demux, "     - pg_length="I64Fd, event->pg_length );
 736         msg_Dbg( p_demux, "     - pgc_length="I64Fd, event->pgc_length );
 737         msg_Dbg( p_demux, "     - cell_start="I64Fd, event->cell_start );
 738         msg_Dbg( p_demux, "     - pg_start="I64Fd, event->pg_start );
 739
 740         /* Store the lenght in time of the current PGC */
 741         p_sys->i_pgc_length = event->pgc_length / 90 * 1000;
 742
 743         /* FIXME is it correct or there is better way to know chapter change */
 744         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 745                                        &i_part ) == DVDNAV_STATUS_OK )
 746         {
 747             if( i_title >= 0 && i_title < p_sys->i_title &&
 748                 i_part >= 1 && i_part <= p_sys->title[i_title]->i_seekpoint &&
 749                 p_demux->info.i_seekpoint != i_part - 1 )
 750             {
 751                 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 752                 p_demux->info.i_seekpoint = i_part - 1;
 753             }
 754         }
 755         break;
 756     }
 757
 758     case DVDNAV_NAV_PACKET:
 759     {
 760 #ifdef DVDNAV_DEBUG
 761         msg_Dbg( p_demux, "DVDNAV_NAV_PACKET" );
 762 #endif
 763         /* A lot of thing to do here :
 764          *  - handle packet
 765          *  - fetch pts (for time display)
 766          *  - ...
 767          */
 768         DemuxBlock( p_demux, packet, i_len );
 769         if( p_sys->b_spu_change )
 770         {
 771             ButtonUpdate( p_demux, false );
 772             p_sys->b_spu_change = false;
 773         }
 774         break;
 775     }
 776
 777     case DVDNAV_STOP:   /* EOF */
 778         msg_Dbg( p_demux, "DVDNAV_STOP" );
 779
 780 #if DVD_READ_CACHE
 781         dvdnav_free_cache_block( p_sys->dvdnav, packet );
 782 #endif
 783         return 0;
 784
 785     case DVDNAV_HIGHLIGHT:
 786     {
 787         dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t*)packet;
 788         msg_Dbg( p_demux, "DVDNAV_HIGHLIGHT" );
 789         msg_Dbg( p_demux, "     - display=%d", event->display );
 790         msg_Dbg( p_demux, "     - buttonN=%d", event->buttonN );
 791         ButtonUpdate( p_demux, false );
 792         break;
 793     }
 794
 795     case DVDNAV_HOP_CHANNEL:
 796         msg_Dbg( p_demux, "DVDNAV_HOP_CHANNEL" );
 797         /* We should try to flush all our internal buffer */
 798         break;
 799
 800     case DVDNAV_WAIT:
 801         msg_Dbg( p_demux, "DVDNAV_WAIT" );
 802
 803         /* reset PCR */
 804         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 805         dvdnav_wait_skip( p_sys->dvdnav );
 806         break;
 807
 808     default:
 809         msg_Warn( p_demux, "Unknown event (0x%x)", i_event );
 810         break;
 811     }
 812
 813 #if DVD_READ_CACHE
 814     dvdnav_free_cache_block( p_sys->dvdnav, packet );
 815 #endif
 816
 817     return 1;
 818 }
 819
 820 /* Get a 2 char code
 821  * FIXME: partiallyy duplicated from src/input/es_out.c
 822  */
 823 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var )
 824 {
 825     const iso639_lang_t *pl;
 826     char *psz_lang;
 827     char *p;
 828
 829     psz_lang = var_CreateGetString( p_demux, psz_var );
 830     /* XXX: we will use only the first value
 831      * (and ignore other ones in case of a list) */
 832     if( ( p = strchr( psz_lang, ',' ) ) ) *p = '\0';
 833
 834     for( pl = p_languages; pl->psz_iso639_1 != NULL; pl++ )
 835     {
 836         if( !strcasecmp( pl->psz_eng_name, psz_lang ) ||
 837             !strcasecmp( pl->psz_native_name, psz_lang ) ||
 838             !strcasecmp( pl->psz_iso639_1, psz_lang ) ||
 839             !strcasecmp( pl->psz_iso639_2T, psz_lang ) ||
 840             !strcasecmp( pl->psz_iso639_2B, psz_lang ) )
 841             break;
 842     }
 843
 844     free( psz_lang );
 845
 846     if( pl->psz_iso639_1 != NULL )
 847         return strdup( pl->psz_iso639_1 );
 848
 849     return strdup(LANGUAGE_DEFAULT);
 850 }
 851
 852 static void DemuxTitles( demux_t *p_demux )
 853 {
 854     demux_sys_t *p_sys = p_demux->p_sys;
 855     input_title_t *t;
 856     seekpoint_t *s;
 857     int32_t i_titles;
 858     int i;
 859
 860     /* Menu */
 861     t = vlc_input_title_New();
 862     t->b_menu = true;
 863     t->psz_name = strdup( "DVD Menu" );
 864
 865     s = vlc_seekpoint_New();
 866     s->psz_name = strdup( "Resume" );
 867     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 868
 869     s = vlc_seekpoint_New();
 870     s->psz_name = strdup( "Root" );
 871     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 872
 873     s = vlc_seekpoint_New();
 874     s->psz_name = strdup( "Title" );
 875     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 876
 877     s = vlc_seekpoint_New();
 878     s->psz_name = strdup( "Chapter" );
 879     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 880
 881     s = vlc_seekpoint_New();
 882     s->psz_name = strdup( "Subtitle" );
 883     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 884
 885     s = vlc_seekpoint_New();
 886     s->psz_name = strdup( "Audio" );
 887     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 888
 889     s = vlc_seekpoint_New();
 890     s->psz_name = strdup( "Angle" );
 891     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 892
 893     TAB_APPEND( p_sys->i_title, p_sys->title, t );
 894
 895     /* Find out number of titles/chapters */
 896     dvdnav_get_number_of_titles( p_sys->dvdnav, &i_titles );
 897     for( i = 1; i <= i_titles; i++ )
 898     {
 899         int32_t i_chapters = 0;
 900         int j;
 901
 902         dvdnav_get_number_of_parts( p_sys->dvdnav, i, &i_chapters );
 903
 904         t = vlc_input_title_New();
 905         for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
 906         {
 907             s = vlc_seekpoint_New();
 908             TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 909         }
 910
 911         TAB_APPEND( p_sys->i_title, p_sys->title, t );
 912     }
 913 }
 914
 915 /*****************************************************************************
 916  * Update functions:
 917  *****************************************************************************/
 918 static void ButtonUpdate( demux_t *p_demux, bool b_mode )
 919 {
 920     demux_sys_t *p_sys = p_demux->p_sys;
 921     vlc_value_t val;
 922     int32_t i_title, i_part;
 923
 924     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
 925
 926     if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
 927     {
 928         vlc_mutex_t *p_mutex = val.p_address;
 929         dvdnav_highlight_area_t hl;
 930         int32_t i_button;
 931
 932         if( dvdnav_get_current_highlight( p_sys->dvdnav, &i_button )
 933             != DVDNAV_STATUS_OK )
 934         {
 935             msg_Err( p_demux, "dvdnav_get_current_highlight failed" );
 936             return;
 937         }
 938
 939         if( i_button > 0 && i_title ==  0 )
 940         {
 941             int i;
 942             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
 943
 944             dvdnav_get_highlight_area( pci, i_button, b_mode, &hl );
 945
 946             for( i = 0; i < 4; i++ )
 947             {
 948                 uint32_t i_yuv = p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
 949                 uint8_t i_alpha = (hl.palette>>(i*4))&0x0f;
 950                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
 951
 952                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
 953                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
 954                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
 955                 p_sys->palette[i][3] = i_alpha;
 956             }
 957
 958             vlc_mutex_lock( p_mutex );
 959             val.i_int = hl.sx; var_Set( p_sys->p_input, "x-start", val );
 960             val.i_int = hl.ex; var_Set( p_sys->p_input, "x-end", val );
 961             val.i_int = hl.sy; var_Set( p_sys->p_input, "y-start", val );
 962             val.i_int = hl.ey; var_Set( p_sys->p_input, "y-end", val );
 963
 964             val.p_address = (void *)p_sys->palette;
 965             var_Set( p_sys->p_input, "menu-palette", val );
 966
 967             val.b_bool = true; var_Set( p_sys->p_input, "highlight", val );
 968             vlc_mutex_unlock( p_mutex );
 969
 970             msg_Dbg( p_demux, "buttonUpdate %d", i_button );
 971         }
 972         else
 973         {
 974             msg_Dbg( p_demux, "buttonUpdate not done b=%d t=%d",
 975                      i_button, i_title );
 976
 977             /* Show all */
 978             vlc_mutex_lock( p_mutex );
 979             val.b_bool = false;
 980             var_Set( p_sys->p_input, "highlight", val );
 981             vlc_mutex_unlock( p_mutex );
 982         }
 983     }
 984 }
 985
 986 static void ESSubtitleUpdate( demux_t *p_demux )
 987 {
 988     demux_sys_t *p_sys = p_demux->p_sys;
 989     int         i_spu = dvdnav_get_active_spu_stream( p_sys->dvdnav );
 990     int32_t i_title, i_part;
 991
 992     ButtonUpdate( p_demux, false );
 993
 994     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
 995     if( i_title > 0 ) return;
 996
 997     if( i_spu >= 0 && i_spu <= 0x1f )
 998     {
 999         ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1000
1001         ESNew( p_demux, 0xbd20 + i_spu );
1002
1003         /* be sure to unselect it (reset) */
1004         es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1005                         (bool)false );
1006
1007         /* now select it */
1008         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1009     }
1010     else
1011     {
1012         for( i_spu = 0; i_spu <= 0x1F; i_spu++ )
1013         {
1014             ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1015             if( tk->b_seen )
1016             {
1017                 es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1018                                 (bool)false );
1019             }
1020         }
1021     }
1022 }
1023
1024 /*****************************************************************************
1025  * DemuxBlock: demux a given block
1026  *****************************************************************************/
1027 static int DemuxBlock( demux_t *p_demux, uint8_t *pkt, int i_pkt )
1028 {
1029     demux_sys_t *p_sys = p_demux->p_sys;
1030     uint8_t     *p = pkt;
1031
1032     while( p < &pkt[i_pkt] )
1033     {
1034         int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
1035         block_t *p_pkt;
1036         if( i_size <= 0 )
1037         {
1038             break;
1039         }
1040
1041         /* Create a block */
1042         p_pkt = block_New( p_demux, i_size );
1043         memcpy( p_pkt->p_buffer, p, i_size);
1044
1045         /* Parse it and send it */
1046         switch( 0x100 | p[3] )
1047         {
1048         case 0x1b9:
1049         case 0x1bb:
1050         case 0x1bc:
1051 #ifdef DVDNAV_DEBUG
1052             if( p[3] == 0xbc )
1053             {
1054                 msg_Warn( p_demux, "received a PSM packet" );
1055             }
1056             else if( p[3] == 0xbb )
1057             {
1058                 msg_Warn( p_demux, "received a SYSTEM packet" );
1059             }
1060 #endif
1061             block_Release( p_pkt );
1062             break;
1063
1064         case 0x1ba:
1065         {
1066             int64_t i_scr;
1067             int i_mux_rate;
1068             if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
1069             {
1070                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
1071                 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
1072             }
1073             block_Release( p_pkt );
1074             break;
1075         }
1076         default:
1077         {
1078             int i_id = ps_pkt_id( p_pkt );
1079             if( i_id >= 0xc0 )
1080             {
1081                 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1082
1083                 if( !tk->b_seen )
1084                 {
1085                     ESNew( p_demux, i_id );
1086                 }
1087                 if( tk->b_seen && tk->es &&
1088                     !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
1089                 {
1090                     es_out_Send( p_demux->out, tk->es, p_pkt );
1091                 }
1092                 else
1093                 {
1094                     block_Release( p_pkt );
1095                 }
1096             }
1097             else
1098             {
1099                 block_Release( p_pkt );
1100             }
1101             break;
1102         }
1103         }
1104
1105         p += i_size;
1106     }
1107
1108     return VLC_SUCCESS;
1109 }
1110
1111 /*****************************************************************************
1112  * ESNew: register a new elementary stream
1113  *****************************************************************************/
1114 static void ESNew( demux_t *p_demux, int i_id )
1115 {
1116     demux_sys_t *p_sys = p_demux->p_sys;
1117     ps_track_t  *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1118     bool  b_select = false;
1119
1120     if( tk->b_seen ) return;
1121
1122     if( ps_track_fill( tk, 0, i_id ) )
1123     {
1124         msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
1125         return;
1126     }
1127
1128     /* Add a new ES */
1129     if( tk->fmt.i_cat == VIDEO_ES )
1130     {
1131         switch( p_sys->i_aspect )
1132         {
1133             /* TODO Any docs somewhere ? */
1134         default:
1135             tk->fmt.video.i_aspect = 0;
1136             break;
1137         }
1138         b_select = true;
1139     }
1140     else if( tk->fmt.i_cat == AUDIO_ES )
1141     {
1142         int i_audio = -1;
1143         /* find the audio number PLEASE find another way */
1144         if( (i_id&0xbdf8) == 0xbd88 )       /* dts */
1145         {
1146             i_audio = i_id&0x07;
1147         }
1148         else if( (i_id&0xbdf0) == 0xbd80 )  /* a52 */
1149         {
1150             i_audio = i_id&0xf;
1151         }
1152         else if( (i_id&0xbdf0) == 0xbda0 )  /* lpcm */
1153         {
1154             i_audio = i_id&0x1f;
1155         }
1156         else if( ( i_id&0xe0 ) == 0xc0 )    /* mpga */
1157         {
1158             i_audio = i_id&0x1f;
1159         }
1160         if( i_audio >= 0 )
1161         {
1162             int i_lang = dvdnav_audio_stream_to_lang( p_sys->dvdnav, i_audio );
1163             if( i_lang != 0xffff )
1164             {
1165                 tk->fmt.psz_language = malloc( 3 );
1166                 tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1167                 tk->fmt.psz_language[1] = (i_lang     )&0xff;
1168                 tk->fmt.psz_language[2] = 0;
1169             }
1170             if( dvdnav_get_active_audio_stream( p_sys->dvdnav ) == i_audio )
1171             {
1172                 b_select = true;
1173             }
1174         }
1175     }
1176     else if( tk->fmt.i_cat == SPU_ES )
1177     {
1178         int32_t i_title, i_part;
1179         int i_lang = dvdnav_spu_stream_to_lang( p_sys->dvdnav, i_id&0x1f );
1180         if( i_lang != 0xffff )
1181         {
1182             tk->fmt.psz_language = malloc( 3 );
1183             tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1184             tk->fmt.psz_language[1] = (i_lang     )&0xff;
1185             tk->fmt.psz_language[2] = 0;
1186         }
1187
1188         /* Palette */
1189         tk->fmt.subs.spu.palette[0] = 0xBeef;
1190         memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
1191                 16 * sizeof( uint32_t ) );
1192
1193         /* We select only when we are not in the menu */
1194         dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1195         if( i_title > 0 &&
1196             dvdnav_get_active_spu_stream( p_sys->dvdnav ) == (i_id&0x1f) )
1197         {
1198             b_select = true;
1199         }
1200     }
1201
1202     tk->es = es_out_Add( p_demux->out, &tk->fmt );
1203     if( b_select )
1204     {
1205         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1206     }
1207     tk->b_seen = true;
1208
1209     if( tk->fmt.i_cat == VIDEO_ES ) ButtonUpdate( p_demux, false );
1210 }
1211
1212 /*****************************************************************************
1213  * Event handler code
1214  *****************************************************************************/
1215 static int  EventMouse( vlc_object_t *, char const *,
1216                         vlc_value_t, vlc_value_t, void * );
1217 static int  EventKey  ( vlc_object_t *, char const *,
1218                         vlc_value_t, vlc_value_t, void * );
1219
1220 static int EventThread( vlc_object_t *p_this )
1221 {
1222     event_thread_t *p_ev = (event_thread_t*)p_this;
1223     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
1224     vlc_object_t   *p_vout = NULL;
1225
1226     vlc_mutex_init( p_ev, &p_ev->lock );
1227     p_ev->b_moved   = false;
1228     p_ev->b_clicked = false;
1229     p_ev->i_key_action = 0;
1230     p_ev->b_still   = false;
1231
1232     /* catch all key event */
1233     var_AddCallback( p_ev->p_libvlc, "key-action", EventKey, p_ev );
1234
1235     /* main loop */
1236     while( !p_ev->b_die )
1237     {
1238         bool b_activated = false;
1239
1240         /* KEY part */
1241         if( p_ev->i_key_action != 0 )
1242         {
1243             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1244
1245             vlc_value_t valk;
1246             int i;
1247
1248             vlc_mutex_lock( &p_ev->lock );
1249             switch( p_ev->i_key_action )
1250             {
1251             case ACTIONID_NAV_LEFT:
1252                 dvdnav_left_button_select( p_sys->dvdnav, pci );
1253                 break;
1254             case ACTIONID_NAV_RIGHT:
1255                 dvdnav_right_button_select( p_sys->dvdnav, pci );
1256                 break;
1257             case ACTIONID_NAV_UP:
1258                 dvdnav_upper_button_select( p_sys->dvdnav, pci );
1259                 break;
1260             case ACTIONID_NAV_DOWN:
1261                 dvdnav_lower_button_select( p_sys->dvdnav, pci );
1262                 break;
1263             case ACTIONID_NAV_ACTIVATE:
1264                 b_activated = true;
1265                 dvdnav_button_activate( p_sys->dvdnav, pci );
1266                 ButtonUpdate( p_ev->p_demux, true );
1267                 break;
1268             default:
1269                 break;
1270             }
1271             p_ev->i_key_action = 0;
1272             vlc_mutex_unlock( &p_ev->lock );
1273         }
1274
1275         /* VOUT part */
1276         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
1277         {
1278             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1279             vlc_value_t valx, valy;
1280
1281             vlc_mutex_lock( &p_ev->lock );
1282             var_Get( p_vout, "mouse-x", &valx );
1283             var_Get( p_vout, "mouse-y", &valy );
1284
1285             if( p_ev->b_moved )
1286             {
1287                 dvdnav_mouse_select( p_sys->dvdnav, pci, valx.i_int,
1288                                      valy.i_int );
1289             }
1290             if( p_ev->b_clicked )
1291             {
1292                 b_activated = true;
1293                 dvdnav_mouse_activate( p_sys->dvdnav, pci, valx.i_int,
1294                                        valy.i_int );
1295                 ButtonUpdate( p_ev->p_demux, true );
1296             }
1297
1298             p_ev->b_moved = false;
1299             p_ev->b_clicked = false;
1300             vlc_mutex_unlock( &p_ev->lock );
1301         }
1302         if( p_vout && p_vout->b_die )
1303         {
1304             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1305             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1306             vlc_object_release( p_vout );
1307             p_vout = NULL;
1308         }
1309         if( p_vout == NULL )
1310         {
1311             p_vout = vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
1312                                       FIND_CHILD );
1313             if( p_vout)
1314             {
1315                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1316                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1317             }
1318         }
1319
1320         /* Still part */
1321         vlc_mutex_lock( &p_ev->lock );
1322         if( p_ev->b_still )
1323         {
1324             if( /* b_activated || // This breaks menus */
1325                 ( p_ev->i_still_end > 0 && p_ev->i_still_end < mdate() ))
1326             {
1327                 p_ev->b_still = false;
1328                 dvdnav_still_skip( p_sys->dvdnav );
1329             }
1330         }
1331         vlc_mutex_unlock( &p_ev->lock );
1332
1333         /* Wait a bit */
1334         msleep( 10000 );
1335     }
1336
1337     /* Release callback */
1338     if( p_vout )
1339     {
1340         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1341         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1342         vlc_object_release( p_vout );
1343     }
1344     var_DelCallback( p_ev->p_libvlc, "key-action", EventKey, p_ev );
1345
1346     vlc_mutex_destroy( &p_ev->lock );
1347
1348     return VLC_SUCCESS;
1349 }
1350
1351 static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1352                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
1353 {
1354     event_thread_t *p_ev = p_data;
1355     vlc_mutex_lock( &p_ev->lock );
1356     if( psz_var[6] == 'c' )
1357         p_ev->b_clicked = true;
1358     else if( psz_var[6] == 'm' )
1359         p_ev->b_moved = true;
1360     vlc_mutex_unlock( &p_ev->lock );
1361
1362     return VLC_SUCCESS;
1363 }
1364
1365 static int EventKey( vlc_object_t *p_this, char const *psz_var,
1366                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
1367 {
1368     event_thread_t *p_ev = p_data;
1369     vlc_mutex_lock( &p_ev->lock );
1370     p_ev->i_key_action = newval.i_int;
1371     vlc_mutex_unlock( &p_ev->lock );
1372
1373     return VLC_SUCCESS;
1374 }
1375
1376 /*****************************************************************************
1377  * ProbeDVD: very weak probing that avoids going too often into a dvdnav_open()
1378  *****************************************************************************/
1379 static int ProbeDVD( demux_t *p_demux, char *psz_name )
1380 {
1381 #ifdef HAVE_SYS_STAT_H
1382     struct stat stat_info;
1383     uint8_t pi_anchor[2];
1384     uint16_t i_tag_id = 0;
1385     int i_fd, i_ret;
1386
1387     if( !*psz_name )
1388     {
1389         /* Triggers libdvdcss autodetection */
1390         return VLC_SUCCESS;
1391     }
1392
1393     if( stat( psz_name, &stat_info ) || !S_ISREG( stat_info.st_mode ) )
1394     {
1395         /* Let dvdnav_open() do the probing */
1396         return VLC_SUCCESS;
1397     }
1398
1399     if( (i_fd = open( psz_name, O_RDONLY )) == -1 )
1400     {
1401         /* Let dvdnav_open() do the probing */
1402         return VLC_SUCCESS;
1403     }
1404
1405     /* Try to find the anchor (2 bytes at LBA 256) */
1406     i_ret = VLC_SUCCESS;
1407     if( lseek( i_fd, 256 * DVD_VIDEO_LB_LEN, SEEK_SET ) == -1 )
1408     {
1409         i_ret = VLC_EGENERIC;
1410     }
1411
1412     if( read( i_fd, pi_anchor, 2 ) == 2 )
1413     {
1414         i_tag_id = GetWLE(pi_anchor);
1415         if( i_tag_id != 2 ) i_ret = VLC_EGENERIC; /* Not an anchor */
1416     }
1417     else
1418     {
1419         i_ret = VLC_EGENERIC;
1420     }
1421
1422     close( i_fd );
1423
1424     return i_ret;
1425 #else
1426
1427     return VLC_SUCCESS;
1428 #endif
1429 }