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 #include <stdlib.h>
  28
  29 #include <vlc/vlc.h>
  30 #include <vlc/input.h>
  31
  32 #ifdef HAVE_UNISTD_H
  33 #   include <unistd.h>
  34 #endif
  35 #ifdef HAVE_SYS_TYPES_H
  36 #   include <sys/types.h>
  37 #endif
  38 #ifdef HAVE_SYS_STAT_H
  39 #   include <sys/stat.h>
  40 #endif
  41 #ifdef HAVE_FCNTL_H
  42 #   include <fcntl.h>
  43 #endif
  44
  45 #include "vlc_keys.h"
  46 #include "iso_lang.h"
  47
  48 /* FIXME we should find a better way than including that */
  49 #include "../../src/misc/iso-639_def.h"
  50
  51
  52 #include <dvdnav/dvdnav.h>
  53
  54 #include "../demux/ps.h"
  55
  56 /*****************************************************************************
  57  * Module descriptor
  58  *****************************************************************************/
  59 #define ANGLE_TEXT N_("DVD angle")
  60 #define ANGLE_LONGTEXT N_( \
  61      "Default DVD angle." )
  62
  63 #define CACHING_TEXT N_("Caching value in ms")
  64 #define CACHING_LONGTEXT N_( \
  65     "Caching value for DVDs. This "\
  66     "value should be set in milliseconds." )
  67 #define MENU_TEXT N_("Start directly in menu")
  68 #define MENU_LONGTEXT N_( \
  69     "Start the DVD directly in the main menu. This "\
  70     "will try to skip all the useless warning introductions." )
  71
  72 #define LANGUAGE_DEFAULT ("en")
  73
  74 static int  Open ( vlc_object_t * );
  75 static void Close( vlc_object_t * );
  76
  77 vlc_module_begin();
  78     set_shortname( _("DVD with menus") );
  79     set_description( _("DVDnav Input") );
  80     set_category( CAT_INPUT );
  81     set_subcategory( SUBCAT_INPUT_ACCESS );
  82     add_integer( "dvdnav-angle", 1, NULL, ANGLE_TEXT,
  83         ANGLE_LONGTEXT, VLC_FALSE );
  84     add_integer( "dvdnav-caching", DEFAULT_PTS_DELAY / 1000, NULL,
  85         CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
  86     add_bool( "dvdnav-menu", VLC_TRUE, NULL,
  87         MENU_TEXT, MENU_LONGTEXT, VLC_FALSE );
  88     set_capability( "access_demux", 5 );
  89     add_shortcut( "dvd" );
  90     add_shortcut( "dvdnav" );
  91     set_callbacks( Open, Close );
  92 vlc_module_end();
  93
  94 /* Shall we use libdvdnav's read ahead cache? */
  95 #define DVD_READ_CACHE 1
  96
  97 /*****************************************************************************
  98  * Local prototypes
  99  *****************************************************************************/
 100 typedef struct
 101 {
 102     VLC_COMMON_MEMBERS
 103
 104     demux_t        *p_demux;
 105     vlc_mutex_t     lock;
 106
 107     vlc_bool_t      b_moved;
 108     vlc_bool_t      b_clicked;
 109     vlc_bool_t      b_key;
 110
 111     vlc_bool_t      b_still;
 112     int64_t         i_still_end;
 113
 114 } event_thread_t;
 115
 116 static int EventThread( vlc_object_t * );
 117
 118 struct demux_sys_t
 119 {
 120     dvdnav_t    *dvdnav;
 121
 122     /* track */
 123     ps_track_t  tk[PS_TK_COUNT];
 124     int         i_mux_rate;
 125
 126     /* for spu variables */
 127     input_thread_t *p_input;
 128
 129     /* event */
 130     event_thread_t *p_ev;
 131
 132     /* palette for menus */
 133     uint32_t clut[16];
 134     uint8_t  palette[4][4];
 135     vlc_bool_t b_spu_change;
 136
 137     /* */
 138     int i_aspect;
 139
 140     int           i_title;
 141     input_title_t **title;
 142
 143     /* lenght of program group chain */
 144     mtime_t     i_pgc_length;
 145 };
 146
 147 static int Control( demux_t *, int, va_list );
 148 static int Demux( demux_t * );
 149 static int DemuxBlock( demux_t *, uint8_t *, int );
 150
 151 static void DemuxTitles( demux_t * );
 152 static void ESSubtitleUpdate( demux_t * );
 153 static void ButtonUpdate( demux_t *, vlc_bool_t );
 154
 155 static void ESNew( demux_t *, int );
 156 static int ProbeDVD( demux_t *, char * );
 157
 158 static char *DemuxGetLanguageCode( demux_t *p_demux, char *psz_var );
 159
 160 /*****************************************************************************
 161  * DemuxOpen:
 162  *****************************************************************************/
 163 static int Open( vlc_object_t *p_this )
 164 {
 165     demux_t     *p_demux = (demux_t*)p_this;
 166     demux_sys_t *p_sys;
 167     dvdnav_t    *p_dvdnav;
 168     int         i_angle;
 169     char        *psz_name;
 170     char        *psz_code;
 171     vlc_value_t val;
 172
 173     if( !p_demux->psz_path || !*p_demux->psz_path )
 174     {
 175         /* Only when selected */
 176         if( !p_this->b_force ) return VLC_EGENERIC;
 177
 178         psz_name = var_CreateGetString( p_this, "dvd" );
 179         if( !psz_name )
 180         {
 181             psz_name = strdup("");
 182         }
 183     }
 184     else
 185         psz_name = strdup( p_demux->psz_path );
 186
 187 #ifdef WIN32
 188     if( psz_name[0] && psz_name[1] == ':' &&
 189         psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
 190 #endif
 191
 192     /* Try some simple probing to avoid going through dvdnav_open too often */
 193     if( ProbeDVD( p_demux, psz_name ) != VLC_SUCCESS )
 194     {
 195         free( psz_name );
 196         return VLC_EGENERIC;
 197     }
 198
 199     /* Open dvdnav */
 200     if( dvdnav_open( &p_dvdnav, psz_name ) != DVDNAV_STATUS_OK )
 201     {
 202         msg_Warn( p_demux, "cannot open dvdnav" );
 203         free( psz_name );
 204         return VLC_EGENERIC;
 205     }
 206     free( psz_name );
 207
 208     /* Fill p_demux field */
 209     p_demux->pf_demux = Demux;
 210     p_demux->pf_control = Control;
 211     p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
 212     memset( p_sys, 0, sizeof( demux_sys_t ) );
 213     p_sys->dvdnav = p_dvdnav;
 214
 215     ps_track_init( p_sys->tk );
 216     p_sys->i_aspect = -1;
 217     p_sys->i_mux_rate = 0;
 218     p_sys->i_pgc_length = 0;
 219     p_sys->b_spu_change = VLC_FALSE;
 220
 221     if( 1 )
 222     {
 223         // Hack for libdvdnav CVS.
 224         // Without it dvdnav_get_number_of_titles() fails.
 225         // Remove when fixed in libdvdnav CVS.
 226         uint8_t buffer[DVD_VIDEO_LB_LEN];
 227         int i_event, i_len;
 228
 229         if( dvdnav_get_next_block( p_sys->dvdnav, buffer, &i_event, &i_len )
 230               == DVDNAV_STATUS_ERR )
 231         {
 232             msg_Warn( p_demux, "dvdnav_get_next_block failed" );
 233         }
 234
 235         dvdnav_sector_search( p_sys->dvdnav, 0, SEEK_SET );
 236     }
 237
 238     /* Configure dvdnav */
 239     if( dvdnav_set_readahead_flag( p_sys->dvdnav, DVD_READ_CACHE ) !=
 240           DVDNAV_STATUS_OK )
 241     {
 242         msg_Warn( p_demux, "cannot set read-a-head flag" );
 243     }
 244
 245     if( dvdnav_set_PGC_positioning_flag( p_sys->dvdnav, 1 ) !=
 246           DVDNAV_STATUS_OK )
 247     {
 248         msg_Warn( p_demux, "cannot set PGC positioning flag" );
 249     }
 250
 251     /* Set menu language ("en")
 252      * XXX: maybe it would be better to set it like audio/spu
 253      * or to create a --menu-language option */
 254     if( dvdnav_menu_language_select( p_sys->dvdnav,LANGUAGE_DEFAULT ) !=
 255         DVDNAV_STATUS_OK )
 256     {
 257         msg_Warn( p_demux, "can't set menu language to '%s' (%s)",
 258                   LANGUAGE_DEFAULT, dvdnav_err_to_string( p_sys->dvdnav ) );
 259     }
 260
 261     /* Set audio language */
 262     psz_code = DemuxGetLanguageCode( p_demux, "audio-language" );
 263     if( dvdnav_audio_language_select( p_sys->dvdnav, psz_code ) !=
 264         DVDNAV_STATUS_OK )
 265     {
 266         msg_Warn( p_demux, "can't set audio language to '%s' (%s)",
 267                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 268         /* We try to fall back to 'en' */
 269         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 270             dvdnav_audio_language_select( p_sys->dvdnav, LANGUAGE_DEFAULT );
 271     }
 272     free( psz_code );
 273
 274     /* Set spu language */
 275     psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
 276     if( dvdnav_spu_language_select( p_sys->dvdnav, psz_code ) !=
 277         DVDNAV_STATUS_OK )
 278     {
 279         msg_Warn( p_demux, "can't set spu language to '%s' (%s)",
 280                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 281         /* We try to fall back to 'en' */
 282         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 283             dvdnav_spu_language_select(p_sys->dvdnav, LANGUAGE_DEFAULT );
 284     }
 285     free( psz_code );
 286
 287     DemuxTitles( p_demux );
 288
 289     var_Create( p_demux, "dvdnav-menu", VLC_VAR_BOOL|VLC_VAR_DOINHERIT );
 290     var_Get( p_demux, "dvdnav-menu", &val );
 291     if( val.b_bool )
 292     {
 293         msg_Dbg( p_demux, "trying to go to dvd menu" );
 294
 295         if( dvdnav_title_play( p_sys->dvdnav, 1 ) != DVDNAV_STATUS_OK )
 296         {
 297             msg_Err( p_demux, "cannot set title (can't decrypt DVD?)" );
 298             dvdnav_close( p_sys->dvdnav );
 299             free( p_sys );
 300             return VLC_EGENERIC;
 301         }
 302
 303         if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title ) !=
 304             DVDNAV_STATUS_OK )
 305         {
 306             /* Try going to menu root */
 307             if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root ) !=
 308                 DVDNAV_STATUS_OK )
 309                     msg_Warn( p_demux, "cannot go to dvd menu" );
 310         }
 311     }
 312
 313     var_Create( p_demux, "dvdnav-angle", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 314     var_Get( p_demux, "dvdnav-angle", &val );
 315     i_angle = val.i_int > 0 ? val.i_int : 1;
 316
 317     /* Update default_pts to a suitable value for dvdnav access */
 318     var_Create( p_demux, "dvdnav-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 319
 320     /* FIXME hack hack hack hack FIXME */
 321     /* Get p_input and create variable */
 322     p_sys->p_input = vlc_object_find( p_demux, VLC_OBJECT_INPUT, FIND_PARENT );
 323     var_Create( p_sys->p_input, "x-start", VLC_VAR_INTEGER );
 324     var_Create( p_sys->p_input, "y-start", VLC_VAR_INTEGER );
 325     var_Create( p_sys->p_input, "x-end", VLC_VAR_INTEGER );
 326     var_Create( p_sys->p_input, "y-end", VLC_VAR_INTEGER );
 327     var_Create( p_sys->p_input, "color", VLC_VAR_ADDRESS );
 328     var_Create( p_sys->p_input, "menu-palette", VLC_VAR_ADDRESS );
 329     var_Create( p_sys->p_input, "highlight", VLC_VAR_BOOL );
 330     var_Create( p_sys->p_input, "highlight-mutex", VLC_VAR_MUTEX );
 331
 332     /* Now create our event thread catcher */
 333     p_sys->p_ev = vlc_object_create( p_demux, sizeof( event_thread_t ) );
 334     p_sys->p_ev->p_demux = p_demux;
 335     vlc_thread_create( p_sys->p_ev, "dvdnav event thread handler", EventThread,
 336                        VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
 337
 338     return VLC_SUCCESS;
 339 }
 340
 341 /*****************************************************************************
 342  * Close:
 343  *****************************************************************************/
 344 static void Close( vlc_object_t *p_this )
 345 {
 346     demux_t     *p_demux = (demux_t*)p_this;
 347     demux_sys_t *p_sys = p_demux->p_sys;
 348     int i;
 349
 350     /* stop the event handler */
 351     p_sys->p_ev->b_die = VLC_TRUE;
 352     vlc_thread_join( p_sys->p_ev );
 353     vlc_object_destroy( p_sys->p_ev );
 354
 355     var_Destroy( p_sys->p_input, "highlight-mutex" );
 356     var_Destroy( p_sys->p_input, "highlight" );
 357     var_Destroy( p_sys->p_input, "x-start" );
 358     var_Destroy( p_sys->p_input, "x-end" );
 359     var_Destroy( p_sys->p_input, "y-start" );
 360     var_Destroy( p_sys->p_input, "y-end" );
 361     var_Destroy( p_sys->p_input, "color" );
 362     var_Destroy( p_sys->p_input, "menu-palette" );
 363
 364     vlc_object_release( p_sys->p_input );
 365
 366     for( i = 0; i < PS_TK_COUNT; i++ )
 367     {
 368         ps_track_t *tk = &p_sys->tk[i];
 369         if( tk->b_seen )
 370         {
 371             es_format_Clean( &tk->fmt );
 372             if( tk->es ) es_out_Del( p_demux->out, tk->es );
 373         }
 374     }
 375
 376     dvdnav_close( p_sys->dvdnav );
 377     free( p_sys );
 378 }
 379
 380 /*****************************************************************************
 381  * Control:
 382  *****************************************************************************/
 383 static int Control( demux_t *p_demux, int i_query, va_list args )
 384 {
 385     demux_sys_t *p_sys = p_demux->p_sys;
 386     double f, *pf;
 387     vlc_bool_t *pb;
 388     int64_t *pi64;
 389     input_title_t ***ppp_title;
 390     int          *pi_int;
 391     int i;
 392
 393     switch( i_query )
 394     {
 395         case DEMUX_SET_POSITION:
 396         case DEMUX_GET_POSITION:
 397         case DEMUX_GET_TIME:
 398         case DEMUX_GET_LENGTH:
 399         {
 400             uint32_t pos, len;
 401             if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) !=
 402                   DVDNAV_STATUS_OK || len == 0 )
 403             {
 404                 return VLC_EGENERIC;
 405             }
 406
 407             if( i_query == DEMUX_GET_POSITION )
 408             {
 409                 pf = (double*)va_arg( args, double* );
 410                 *pf = (double)pos / (double)len;
 411                 return VLC_SUCCESS;
 412             }
 413             else if( i_query == DEMUX_SET_POSITION )
 414             {
 415                 f = (double)va_arg( args, double );
 416                 pos = f * len;
 417                 if( dvdnav_sector_search( p_sys->dvdnav, pos, SEEK_SET ) ==
 418                       DVDNAV_STATUS_OK )
 419                 {
 420                     return VLC_SUCCESS;
 421                 }
 422             }
 423             else if( i_query == DEMUX_GET_TIME )
 424             {
 425                 pi64 = (int64_t*)va_arg( args, int64_t * );
 426                 if( p_sys->i_pgc_length > 0 )
 427                 {
 428                     *pi64 = p_sys->i_pgc_length * pos / len;
 429                     return VLC_SUCCESS;
 430                 }
 431             }
 432             else if( i_query == DEMUX_GET_LENGTH )
 433             {
 434                 pi64 = (int64_t*)va_arg( args, int64_t * );
 435                 if( p_sys->i_pgc_length > 0 )
 436                 {
 437                     *pi64 = (int64_t)p_sys->i_pgc_length;
 438                     return VLC_SUCCESS;
 439                 }
 440             }
 441
 442             return VLC_EGENERIC;
 443         }
 444
 445         /* Special for access_demux */
 446         case DEMUX_CAN_PAUSE:
 447         case DEMUX_CAN_CONTROL_PACE:
 448             /* TODO */
 449             pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
 450             *pb = VLC_TRUE;
 451             return VLC_SUCCESS;
 452
 453         case DEMUX_SET_PAUSE_STATE:
 454             return VLC_SUCCESS;
 455
 456         case DEMUX_GET_TITLE_INFO:
 457             ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
 458             pi_int    = (int*)va_arg( args, int* );
 459             *((int*)va_arg( args, int* )) = 0; /* Title offset */
 460             *((int*)va_arg( args, int* )) = 1; /* Chapter offset */
 461
 462             /* Duplicate title infos */
 463             *pi_int = p_sys->i_title;
 464             *ppp_title = malloc( sizeof( input_title_t ** ) * p_sys->i_title );
 465             for( i = 0; i < p_sys->i_title; i++ )
 466             {
 467                 (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->title[i] );
 468             }
 469             return VLC_SUCCESS;
 470
 471         case DEMUX_SET_TITLE:
 472             i = (int)va_arg( args, int );
 473             if( ( i == 0 && dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root )
 474                   != DVDNAV_STATUS_OK ) ||
 475                 ( i != 0 && dvdnav_title_play( p_sys->dvdnav, i )
 476                   != DVDNAV_STATUS_OK ) )
 477             {
 478                 msg_Warn( p_demux, "cannot set title/chapter" );
 479                 return VLC_EGENERIC;
 480             }
 481             p_demux->info.i_update |=
 482                 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
 483             p_demux->info.i_title = i;
 484             p_demux->info.i_seekpoint = 0;
 485             return VLC_SUCCESS;
 486
 487         case DEMUX_SET_SEEKPOINT:
 488             i = (int)va_arg( args, int );
 489             if( p_demux->info.i_title == 0 )
 490             {
 491                 int i_ret;
 492                 /* Special case */
 493                 switch( i )
 494                 {
 495                 case 0:
 496                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Escape );
 497                     break;
 498                 case 1:
 499                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root );
 500                     break;
 501                 case 2:
 502                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title );
 503                     break;
 504                 case 3:
 505                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Part );
 506                     break;
 507                 case 4:
 508                     i_ret = dvdnav_menu_call( p_sys->dvdnav,
 509                                               DVD_MENU_Subpicture );
 510                     break;
 511                 case 5:
 512                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Audio );
 513                     break;
 514                 case 6:
 515                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Angle );
 516                     break;
 517                 default:
 518                     return VLC_EGENERIC;
 519                 }
 520
 521                 if( i_ret != DVDNAV_STATUS_OK )
 522                     return VLC_EGENERIC;
 523             }
 524             else if( dvdnav_part_play( p_sys->dvdnav, p_demux->info.i_title,
 525                                        i + 1 ) != DVDNAV_STATUS_OK )
 526             {
 527                 msg_Warn( p_demux, "cannot set title/chapter" );
 528                 return VLC_EGENERIC;
 529             }
 530             p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 531             p_demux->info.i_seekpoint = i;
 532             return VLC_SUCCESS;
 533
 534         case DEMUX_GET_PTS_DELAY:
 535             pi64 = (int64_t*)va_arg( args, int64_t * );
 536             *pi64 = (int64_t)var_GetInteger( p_demux, "dvdnav-caching" ) *1000;
 537             return VLC_SUCCESS;
 538
 539         case DEMUX_GET_META:
 540         {
 541             const char *title_name = NULL;
 542
 543             dvdnav_get_title_string(p_sys->dvdnav, &title_name);
 544             if( (NULL != title_name) && ('\0' != title_name[0]) )
 545             {
 546                 vlc_meta_t **pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
 547                 vlc_meta_t *meta;
 548                 *pp_meta = meta = vlc_meta_New();
 549                 vlc_meta_Add( meta, VLC_META_TITLE, title_name );
 550                 return VLC_SUCCESS;
 551             }
 552             return VLC_EGENERIC;
 553         }
 554
 555         /* TODO implement others */
 556         default:
 557             return VLC_EGENERIC;
 558     }
 559 }
 560
 561 /*****************************************************************************
 562  * Demux:
 563  *****************************************************************************/
 564 static int Demux( demux_t *p_demux )
 565 {
 566     demux_sys_t *p_sys = p_demux->p_sys;
 567
 568     uint8_t buffer[DVD_VIDEO_LB_LEN];
 569     uint8_t *packet = buffer;
 570     int i_event;
 571     int i_len;
 572
 573 #if DVD_READ_CACHE
 574     if( dvdnav_get_next_cache_block( p_sys->dvdnav, &packet, &i_event, &i_len )
 575         == DVDNAV_STATUS_ERR )
 576 #else
 577     if( dvdnav_get_next_block( p_sys->dvdnav, packet, &i_event, &i_len )
 578         == DVDNAV_STATUS_ERR )
 579 #endif
 580     {
 581         msg_Warn( p_demux, "cannot get next block (%s)",
 582                   dvdnav_err_to_string( p_sys->dvdnav ) );
 583         return -1;
 584     }
 585
 586     switch( i_event )
 587     {
 588     case DVDNAV_BLOCK_OK:   /* mpeg block */
 589         DemuxBlock( p_demux, packet, i_len );
 590         break;
 591
 592     case DVDNAV_NOP:    /* Nothing */
 593         msg_Dbg( p_demux, "DVDNAV_NOP" );
 594         break;
 595
 596     case DVDNAV_STILL_FRAME:
 597     {
 598         dvdnav_still_event_t *event = (dvdnav_still_event_t*)packet;
 599         vlc_mutex_lock( &p_sys->p_ev->lock );
 600         if( !p_sys->p_ev->b_still )
 601         {
 602             msg_Dbg( p_demux, "DVDNAV_STILL_FRAME" );
 603             msg_Dbg( p_demux, "     - length=0x%x", event->length );
 604             p_sys->p_ev->b_still = VLC_TRUE;
 605             if( event->length == 0xff )
 606             {
 607                 p_sys->p_ev->i_still_end = 0;
 608             }
 609             else
 610             {
 611                 p_sys->p_ev->i_still_end = (int64_t)event->length *
 612                     1000000 + mdate() + p_sys->p_input->i_pts_delay;
 613             }
 614         }
 615         vlc_mutex_unlock( &p_sys->p_ev->lock );
 616         msleep( 40000 );
 617         break;
 618     }
 619
 620     case DVDNAV_SPU_CLUT_CHANGE:
 621     {
 622         int i;
 623
 624         msg_Dbg( p_demux, "DVDNAV_SPU_CLUT_CHANGE" );
 625         /* Update color lookup table (16 *uint32_t in packet) */
 626         memcpy( p_sys->clut, packet, 16 * sizeof( uint32_t ) );
 627
 628         /* HACK to get the SPU tracks registered in the right order */
 629         for( i = 0; i < 0x1f; i++ )
 630         {
 631             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 632                 ESNew( p_demux, 0xbd20 + i );
 633         }
 634         /* END HACK */
 635         break;
 636     }
 637
 638     case DVDNAV_SPU_STREAM_CHANGE:
 639     {
 640         dvdnav_spu_stream_change_event_t *event =
 641             (dvdnav_spu_stream_change_event_t*)packet;
 642         int i;
 643
 644         msg_Dbg( p_demux, "DVDNAV_SPU_STREAM_CHANGE" );
 645         msg_Dbg( p_demux, "     - physical_wide=%d",
 646                  event->physical_wide );
 647         msg_Dbg( p_demux, "     - physical_letterbox=%d",
 648                  event->physical_letterbox);
 649         msg_Dbg( p_demux, "     - physical_pan_scan=%d",
 650                  event->physical_pan_scan );
 651
 652         ESSubtitleUpdate( p_demux );
 653         p_sys->b_spu_change = VLC_TRUE;
 654
 655         /* HACK to get the SPU tracks registered in the right order */
 656         for( i = 0; i < 0x1f; i++ )
 657         {
 658             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 659                 ESNew( p_demux, 0xbd20 + i );
 660         }
 661         /* END HACK */
 662         break;
 663     }
 664
 665     case DVDNAV_AUDIO_STREAM_CHANGE:
 666     {
 667         dvdnav_audio_stream_change_event_t *event =
 668             (dvdnav_audio_stream_change_event_t*)packet;
 669         msg_Dbg( p_demux, "DVDNAV_AUDIO_STREAM_CHANGE" );
 670         msg_Dbg( p_demux, "     - physical=%d", event->physical );
 671         /* TODO */
 672         break;
 673     }
 674
 675     case DVDNAV_VTS_CHANGE:
 676     {
 677         int32_t i_title = 0;
 678         int32_t i_part  = 0;
 679         int i;
 680
 681         dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t*)packet;
 682         msg_Dbg( p_demux, "DVDNAV_VTS_CHANGE" );
 683         msg_Dbg( p_demux, "     - vtsN=%d", event->new_vtsN );
 684         msg_Dbg( p_demux, "     - domain=%d", event->new_domain );
 685
 686         /* dvdnav_get_video_aspect / dvdnav_get_video_scale_permission */
 687         /* TODO check if we always have VTS and CELL */
 688         p_sys->i_aspect = dvdnav_get_video_aspect( p_sys->dvdnav );
 689
 690         /* reset PCR */
 691         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 692
 693         for( i = 0; i < PS_TK_COUNT; i++ )
 694         {
 695             ps_track_t *tk = &p_sys->tk[i];
 696             if( tk->b_seen )
 697             {
 698                 es_format_Clean( &tk->fmt );
 699                 if( tk->es ) es_out_Del( p_demux->out, tk->es );
 700             }
 701             tk->b_seen = VLC_FALSE;
 702         }
 703
 704         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 705                                        &i_part ) == DVDNAV_STATUS_OK )
 706         {
 707             if( i_title >= 0 && i_title < p_sys->i_title &&
 708                 p_demux->info.i_title != i_title )
 709             {
 710                 p_demux->info.i_update |= INPUT_UPDATE_TITLE;
 711                 p_demux->info.i_title = i_title;
 712             }
 713         }
 714         break;
 715     }
 716
 717     case DVDNAV_CELL_CHANGE:
 718     {
 719         int32_t i_title = 0;
 720         int32_t i_part  = 0;
 721
 722         dvdnav_cell_change_event_t *event =
 723             (dvdnav_cell_change_event_t*)packet;
 724         msg_Dbg( p_demux, "DVDNAV_CELL_CHANGE" );
 725         msg_Dbg( p_demux, "     - cellN=%d", event->cellN );
 726         msg_Dbg( p_demux, "     - pgN=%d", event->pgN );
 727         msg_Dbg( p_demux, "     - cell_length="I64Fd, event->cell_length );
 728         msg_Dbg( p_demux, "     - pg_length="I64Fd, event->pg_length );
 729         msg_Dbg( p_demux, "     - pgc_length="I64Fd, event->pgc_length );
 730         msg_Dbg( p_demux, "     - cell_start="I64Fd, event->cell_start );
 731         msg_Dbg( p_demux, "     - pg_start="I64Fd, event->pg_start );
 732
 733         /* Store the lenght in time of the current PGC */
 734         p_sys->i_pgc_length = event->pgc_length / 90 * 1000;
 735
 736         /* FIXME is it correct or there is better way to know chapter change */
 737         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 738                                        &i_part ) == DVDNAV_STATUS_OK )
 739         {
 740             if( i_title >= 0 && i_title < p_sys->i_title &&
 741                 i_part >= 1 && i_part <= p_sys->title[i_title]->i_seekpoint &&
 742                 p_demux->info.i_seekpoint != i_part - 1 )
 743             {
 744                 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 745                 p_demux->info.i_seekpoint = i_part - 1;
 746             }
 747         }
 748         break;
 749     }
 750
 751     case DVDNAV_NAV_PACKET:
 752     {
 753 #ifdef DVDNAV_DEBUG
 754         msg_Dbg( p_demux, "DVDNAV_NAV_PACKET" );
 755 #endif
 756         /* A lot of thing to do here :
 757          *  - handle packet
 758          *  - fetch pts (for time display)
 759          *  - ...
 760          */
 761         DemuxBlock( p_demux, packet, i_len );
 762         if( p_sys->b_spu_change )
 763         {
 764             ButtonUpdate( p_demux, VLC_FALSE );
 765             p_sys->b_spu_change = VLC_FALSE;
 766         }
 767         break;
 768     }
 769
 770     case DVDNAV_STOP:   /* EOF */
 771         msg_Dbg( p_demux, "DVDNAV_STOP" );
 772
 773 #if DVD_READ_CACHE
 774         dvdnav_free_cache_block( p_sys->dvdnav, packet );
 775 #endif
 776         return 0;
 777
 778     case DVDNAV_HIGHLIGHT:
 779     {
 780         dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t*)packet;
 781         msg_Dbg( p_demux, "DVDNAV_HIGHLIGHT" );
 782         msg_Dbg( p_demux, "     - display=%d", event->display );
 783         msg_Dbg( p_demux, "     - buttonN=%d", event->buttonN );
 784         ButtonUpdate( p_demux, VLC_FALSE );
 785         break;
 786     }
 787
 788     case DVDNAV_HOP_CHANNEL:
 789         msg_Dbg( p_demux, "DVDNAV_HOP_CHANNEL" );
 790         /* We should try to flush all our internal buffer */
 791         break;
 792
 793     case DVDNAV_WAIT:
 794         msg_Dbg( p_demux, "DVDNAV_WAIT" );
 795
 796         /* reset PCR */
 797         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 798         dvdnav_wait_skip( p_sys->dvdnav );
 799         break;
 800
 801     default:
 802         msg_Warn( p_demux, "Unknown event (0x%x)", i_event );
 803         break;
 804     }
 805
 806 #if DVD_READ_CACHE
 807     dvdnav_free_cache_block( p_sys->dvdnav, packet );
 808 #endif
 809
 810     return 1;
 811 }
 812
 813 /* Get a 2 char code
 814  * FIXME: partiallyy duplicated from src/input/es_out.c
 815  */
 816 static char *DemuxGetLanguageCode( demux_t *p_demux, char *psz_var )
 817 {
 818     const iso639_lang_t *pl;
 819     char *psz_lang;
 820     char *p;
 821
 822     psz_lang = var_CreateGetString( p_demux, psz_var );
 823     /* XXX: we will use only the first value
 824      * (and ignore other ones in case of a list) */
 825     if( ( p = strchr( psz_lang, ',' ) ) ) *p = '\0';
 826
 827     for( pl = p_languages; pl->psz_iso639_1 != NULL; pl++ )
 828     {
 829         if( !strcasecmp( pl->psz_eng_name, psz_lang ) ||
 830             !strcasecmp( pl->psz_native_name, psz_lang ) ||
 831             !strcasecmp( pl->psz_iso639_1, psz_lang ) ||
 832             !strcasecmp( pl->psz_iso639_2T, psz_lang ) ||
 833             !strcasecmp( pl->psz_iso639_2B, psz_lang ) )
 834             break;
 835     }
 836
 837     free( psz_lang );
 838
 839     if( pl->psz_iso639_1 != NULL )
 840         return strdup( pl->psz_iso639_1 );
 841
 842     return strdup(LANGUAGE_DEFAULT);
 843 }
 844
 845 static void DemuxTitles( demux_t *p_demux )
 846 {
 847     demux_sys_t *p_sys = p_demux->p_sys;
 848     input_title_t *t;
 849     seekpoint_t *s;
 850     int32_t i_titles;
 851     int i;
 852
 853     /* Menu */
 854     t = vlc_input_title_New();
 855     t->b_menu = VLC_TRUE;
 856     t->psz_name = strdup( "DVD Menu" );
 857
 858     s = vlc_seekpoint_New();
 859     s->psz_name = strdup( "Resume" );
 860     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 861
 862     s = vlc_seekpoint_New();
 863     s->psz_name = strdup( "Root" );
 864     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 865
 866     s = vlc_seekpoint_New();
 867     s->psz_name = strdup( "Title" );
 868     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 869
 870     s = vlc_seekpoint_New();
 871     s->psz_name = strdup( "Chapter" );
 872     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 873
 874     s = vlc_seekpoint_New();
 875     s->psz_name = strdup( "Subtitle" );
 876     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 877
 878     s = vlc_seekpoint_New();
 879     s->psz_name = strdup( "Audio" );
 880     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 881
 882     s = vlc_seekpoint_New();
 883     s->psz_name = strdup( "Angle" );
 884     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 885
 886     TAB_APPEND( p_sys->i_title, p_sys->title, t );
 887
 888     /* Find out number of titles/chapters */
 889     dvdnav_get_number_of_titles( p_sys->dvdnav, &i_titles );
 890     for( i = 1; i <= i_titles; i++ )
 891     {
 892         int32_t i_chapters = 0;
 893         int j;
 894
 895         dvdnav_get_number_of_parts( p_sys->dvdnav, i, &i_chapters );
 896
 897         t = vlc_input_title_New();
 898         for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
 899         {
 900             s = vlc_seekpoint_New();
 901             TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 902         }
 903
 904         TAB_APPEND( p_sys->i_title, p_sys->title, t );
 905     }
 906 }
 907
 908 /*****************************************************************************
 909  * Update functions:
 910  *****************************************************************************/
 911 static void ButtonUpdate( demux_t *p_demux, vlc_bool_t b_mode )
 912 {
 913     demux_sys_t *p_sys = p_demux->p_sys;
 914     vlc_value_t val;
 915     int32_t i_title, i_part;
 916
 917     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
 918
 919     if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
 920     {
 921         vlc_mutex_t *p_mutex = val.p_address;
 922         dvdnav_highlight_area_t hl;
 923         int32_t i_button;
 924
 925         if( dvdnav_get_current_highlight( p_sys->dvdnav, &i_button )
 926             != DVDNAV_STATUS_OK )
 927         {
 928             msg_Err( p_demux, "dvdnav_get_current_highlight failed" );
 929             return;
 930         }
 931
 932         if( i_button > 0 && i_title ==  0 )
 933         {
 934             int i;
 935             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
 936
 937             dvdnav_get_highlight_area( pci, i_button, b_mode, &hl );
 938
 939             for( i = 0; i < 4; i++ )
 940             {
 941                 uint32_t i_yuv = p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
 942                 uint8_t i_alpha = (hl.palette>>(i*4))&0x0f;
 943                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
 944
 945                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
 946                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
 947                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
 948                 p_sys->palette[i][3] = i_alpha;
 949             }
 950
 951             vlc_mutex_lock( p_mutex );
 952             val.i_int = hl.sx; var_Set( p_sys->p_input, "x-start", val );
 953             val.i_int = hl.ex; var_Set( p_sys->p_input, "x-end", val );
 954             val.i_int = hl.sy; var_Set( p_sys->p_input, "y-start", val );
 955             val.i_int = hl.ey; var_Set( p_sys->p_input, "y-end", val );
 956
 957             val.p_address = (void *)p_sys->palette;
 958             var_Set( p_sys->p_input, "menu-palette", val );
 959
 960             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
 961             vlc_mutex_unlock( p_mutex );
 962
 963             msg_Dbg( p_demux, "buttonUpdate %d", i_button );
 964         }
 965         else
 966         {
 967             msg_Dbg( p_demux, "buttonUpdate not done b=%d t=%d",
 968                      i_button, i_title );
 969
 970             /* Show all */
 971             vlc_mutex_lock( p_mutex );
 972             val.b_bool = VLC_FALSE;
 973             var_Set( p_sys->p_input, "highlight", val );
 974             vlc_mutex_unlock( p_mutex );
 975         }
 976     }
 977 }
 978
 979 static void ESSubtitleUpdate( demux_t *p_demux )
 980 {
 981     demux_sys_t *p_sys = p_demux->p_sys;
 982     int         i_spu = dvdnav_get_active_spu_stream( p_sys->dvdnav );
 983     int32_t i_title, i_part;
 984
 985     ButtonUpdate( p_demux, VLC_FALSE );
 986
 987     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
 988     if( i_title > 0 ) return;
 989
 990     if( i_spu >= 0 && i_spu <= 0x1f )
 991     {
 992         ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
 993
 994         ESNew( p_demux, 0xbd20 + i_spu );
 995
 996         /* be sure to unselect it (reset) */
 997         es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
 998                         (vlc_bool_t)VLC_FALSE );
 999
1000         /* now select it */
1001         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1002     }
1003     else
1004     {
1005         for( i_spu = 0; i_spu <= 0x1F; i_spu++ )
1006         {
1007             ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1008             if( tk->b_seen )
1009             {
1010                 es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1011                                 (vlc_bool_t)VLC_FALSE );
1012             }
1013         }
1014     }
1015 }
1016
1017 /*****************************************************************************
1018  * DemuxBlock: demux a given block
1019  *****************************************************************************/
1020 static int DemuxBlock( demux_t *p_demux, uint8_t *pkt, int i_pkt )
1021 {
1022     demux_sys_t *p_sys = p_demux->p_sys;
1023     uint8_t     *p = pkt;
1024
1025     while( p < &pkt[i_pkt] )
1026     {
1027         int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
1028         block_t *p_pkt;
1029         if( i_size <= 0 )
1030         {
1031             break;
1032         }
1033
1034         /* Create a block */
1035         p_pkt = block_New( p_demux, i_size );
1036         memcpy( p_pkt->p_buffer, p, i_size);
1037
1038         /* Parse it and send it */
1039         switch( 0x100 | p[3] )
1040         {
1041         case 0x1b9:
1042         case 0x1bb:
1043         case 0x1bc:
1044 #ifdef DVDNAV_DEBUG
1045             if( p[3] == 0xbc )
1046             {
1047                 msg_Warn( p_demux, "received a PSM packet" );
1048             }
1049             else if( p[3] == 0xbb )
1050             {
1051                 msg_Warn( p_demux, "received a SYSTEM packet" );
1052             }
1053 #endif
1054             block_Release( p_pkt );
1055             break;
1056
1057         case 0x1ba:
1058         {
1059             int64_t i_scr;
1060             int i_mux_rate;
1061             if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
1062             {
1063                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
1064                 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
1065             }
1066             block_Release( p_pkt );
1067             break;
1068         }
1069         default:
1070         {
1071             int i_id = ps_pkt_id( p_pkt );
1072             if( i_id >= 0xc0 )
1073             {
1074                 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1075
1076                 if( !tk->b_seen )
1077                 {
1078                     ESNew( p_demux, i_id );
1079                 }
1080                 if( tk->b_seen && tk->es &&
1081                     !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
1082                 {
1083                     es_out_Send( p_demux->out, tk->es, p_pkt );
1084                 }
1085                 else
1086                 {
1087                     block_Release( p_pkt );
1088                 }
1089             }
1090             else
1091             {
1092                 block_Release( p_pkt );
1093             }
1094             break;
1095         }
1096         }
1097
1098         p += i_size;
1099     }
1100
1101     return VLC_SUCCESS;
1102 }
1103
1104 /*****************************************************************************
1105  * ESNew: register a new elementary stream
1106  *****************************************************************************/
1107 static void ESNew( demux_t *p_demux, int i_id )
1108 {
1109     demux_sys_t *p_sys = p_demux->p_sys;
1110     ps_track_t  *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1111     vlc_bool_t  b_select = VLC_FALSE;
1112
1113     if( tk->b_seen ) return;
1114
1115     if( ps_track_fill( tk, 0, i_id ) )
1116     {
1117         msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
1118         return;
1119     }
1120
1121     /* Add a new ES */
1122     if( tk->fmt.i_cat == VIDEO_ES )
1123     {
1124         if( p_sys->i_aspect >= 0 )
1125         {
1126             tk->fmt.video.i_aspect = p_sys->i_aspect;
1127         }
1128         b_select = VLC_TRUE;
1129     }
1130     else if( tk->fmt.i_cat == AUDIO_ES )
1131     {
1132         int i_audio = -1;
1133         /* find the audio number PLEASE find another way */
1134         if( (i_id&0xbdf8) == 0xbd88 )       /* dts */
1135         {
1136             i_audio = i_id&0x07;
1137         }
1138         else if( (i_id&0xbdf0) == 0xbd80 )  /* a52 */
1139         {
1140             i_audio = i_id&0xf;
1141         }
1142         else if( (i_id&0xbdf0) == 0xbda0 )  /* lpcm */
1143         {
1144             i_audio = i_id&0x1f;
1145         }
1146         else if( ( i_id&0xe0 ) == 0xc0 )    /* mpga */
1147         {
1148             i_audio = i_id&0x1f;
1149         }
1150         if( i_audio >= 0 )
1151         {
1152             int i_lang = dvdnav_audio_stream_to_lang( p_sys->dvdnav, i_audio );
1153             if( i_lang != 0xffff )
1154             {
1155                 tk->fmt.psz_language = malloc( 3 );
1156                 tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1157                 tk->fmt.psz_language[1] = (i_lang     )&0xff;
1158                 tk->fmt.psz_language[2] = 0;
1159             }
1160             if( dvdnav_get_active_audio_stream( p_sys->dvdnav ) == i_audio )
1161             {
1162                 b_select = VLC_TRUE;
1163             }
1164         }
1165     }
1166     else if( tk->fmt.i_cat == SPU_ES )
1167     {
1168         int32_t i_title, i_part;
1169         int i_lang = dvdnav_spu_stream_to_lang( p_sys->dvdnav, i_id&0x1f );
1170         if( i_lang != 0xffff )
1171         {
1172             tk->fmt.psz_language = malloc( 3 );
1173             tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1174             tk->fmt.psz_language[1] = (i_lang     )&0xff;
1175             tk->fmt.psz_language[2] = 0;
1176         }
1177
1178         /* Palette */
1179         tk->fmt.subs.spu.palette[0] = 0xBeef;
1180         memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
1181                 16 * sizeof( uint32_t ) );
1182
1183         /* We select only when we are not in the menu */
1184         dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1185         if( i_title > 0 &&
1186             dvdnav_get_active_spu_stream( p_sys->dvdnav ) == (i_id&0x1f) )
1187         {
1188             b_select = VLC_TRUE;
1189         }
1190     }
1191
1192     tk->es = es_out_Add( p_demux->out, &tk->fmt );
1193     if( b_select )
1194     {
1195         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1196     }
1197     tk->b_seen = VLC_TRUE;
1198
1199     if( tk->fmt.i_cat == VIDEO_ES ) ButtonUpdate( p_demux, VLC_FALSE );
1200 }
1201
1202 /*****************************************************************************
1203  * Event handler code
1204  *****************************************************************************/
1205 static int  EventMouse( vlc_object_t *, char const *,
1206                         vlc_value_t, vlc_value_t, void * );
1207 static int  EventKey  ( vlc_object_t *, char const *,
1208                         vlc_value_t, vlc_value_t, void * );
1209
1210 static int EventThread( vlc_object_t *p_this )
1211 {
1212     event_thread_t *p_ev = (event_thread_t*)p_this;
1213     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
1214     vlc_object_t   *p_vout = NULL;
1215
1216     vlc_mutex_init( p_ev, &p_ev->lock );
1217     p_ev->b_moved   = VLC_FALSE;
1218     p_ev->b_clicked = VLC_FALSE;
1219     p_ev->b_key     = VLC_FALSE;
1220     p_ev->b_still   = VLC_FALSE;
1221
1222     /* catch all key event */
1223     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
1224
1225     /* main loop */
1226     while( !p_ev->b_die )
1227     {
1228         vlc_bool_t b_activated = VLC_FALSE;
1229
1230         /* KEY part */
1231         if( p_ev->b_key )
1232         {
1233             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1234
1235             vlc_value_t valk;
1236             struct hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
1237             int i, i_action = -1;
1238
1239             vlc_mutex_lock( &p_ev->lock );
1240             var_Get( p_ev->p_vlc, "key-pressed", &valk );
1241             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
1242             {
1243                 if( p_hotkeys[i].i_key == valk.i_int )
1244                 {
1245                     i_action = p_hotkeys[i].i_action;
1246                 }
1247             }
1248
1249             switch( i_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 = VLC_TRUE;
1265                 dvdnav_button_activate( p_sys->dvdnav, pci );
1266                 ButtonUpdate( p_ev->p_demux, VLC_TRUE );
1267                 break;
1268             default:
1269                 break;
1270             }
1271             p_ev->b_key = VLC_FALSE;
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 = VLC_TRUE;
1293                 dvdnav_mouse_activate( p_sys->dvdnav, pci, valx.i_int,
1294                                        valy.i_int );
1295                 ButtonUpdate( p_ev->p_demux, VLC_TRUE );
1296             }
1297
1298             p_ev->b_moved = VLC_FALSE;
1299             p_ev->b_clicked = VLC_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 = VLC_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_vlc, "key-pressed", 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 = VLC_TRUE;
1358     else if( psz_var[6] == 'm' )
1359         p_ev->b_moved = VLC_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->b_key = VLC_TRUE;
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 }