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

   1 /*****************************************************************************
   2  * dvdnav.c: DVD module using the dvdnav library.
   3  *****************************************************************************
   4  * Copyright (C) 2004-2009 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with this program; if not, write to the Free Software Foundation, Inc.,
  21  * 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27
  28 #ifdef HAVE_CONFIG_H
  29 # include "config.h"
  30 #endif
  31
  32 #include <assert.h>
  33 #include <vlc_common.h>
  34 #include <vlc_plugin.h>
  35 #include <vlc_input.h>
  36 #include <vlc_access.h>
  37 #include <vlc_demux.h>
  38 #include <vlc_charset.h>
  39 #include <vlc_fs.h>
  40 #include <vlc_url.h>
  41 #include <vlc_vout.h>
  42
  43 #include <vlc_dialog.h>
  44
  45 #ifdef HAVE_UNISTD_H
  46 #   include <unistd.h>
  47 #endif
  48 #include <sys/types.h>
  49 #ifdef HAVE_SYS_STAT_H
  50 #   include <sys/stat.h>
  51 #endif
  52 #ifdef HAVE_FCNTL_H
  53 #   include <fcntl.h>
  54 #endif
  55 #include <errno.h>
  56
  57 #include <vlc_keys.h>
  58 #include <vlc_iso_lang.h>
  59
  60 /* FIXME we should find a better way than including that */
  61 #include "../../src/text/iso-639_def.h"
  62
  63
  64 #include <dvdnav/dvdnav.h>
  65
  66 #include "../demux/ps.h"
  67
  68 /*****************************************************************************
  69  * Module descriptor
  70  *****************************************************************************/
  71 #define ANGLE_TEXT N_("DVD angle")
  72 #define ANGLE_LONGTEXT N_( \
  73      "Default DVD angle." )
  74
  75 #define 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( N_("DVD with menus") )
  87     set_description( N_("DVDnav Input") )
  88     set_category( CAT_INPUT )
  89     set_subcategory( SUBCAT_INPUT_ACCESS )
  90     add_integer( "dvdnav-angle", 1, ANGLE_TEXT,
  91         ANGLE_LONGTEXT, false )
  92     add_bool( "dvdnav-menu", true,
  93         MENU_TEXT, MENU_LONGTEXT, false )
  94     set_capability( "access_demux", 5 )
  95     add_shortcut( "dvd", "dvdnav", "file" )
  96     set_callbacks( Open, Close )
  97 vlc_module_end ()
  98
  99 /* Shall we use libdvdnav's read ahead cache? */
 100 #ifdef __OS2__
 101 #define DVD_READ_CACHE 0
 102 #else
 103 #define DVD_READ_CACHE 1
 104 #endif
 105
 106 /*****************************************************************************
 107  * Local prototypes
 108  *****************************************************************************/
 109 struct demux_sys_t
 110 {
 111     dvdnav_t    *dvdnav;
 112
 113     /* */
 114     bool        b_reset_pcr;
 115
 116     struct
 117     {
 118         bool         b_created;
 119         bool         b_enabled;
 120         vlc_mutex_t  lock;
 121         vlc_timer_t  timer;
 122     } still;
 123
 124     /* track */
 125     ps_track_t  tk[PS_TK_COUNT];
 126     int         i_mux_rate;
 127
 128     /* for spu variables */
 129     input_thread_t *p_input;
 130
 131     /* event */
 132     vout_thread_t *p_vout;
 133
 134     /* palette for menus */
 135     uint32_t clut[16];
 136     uint8_t  palette[4][4];
 137     bool b_spu_change;
 138
 139     /* Aspect ration */
 140     struct {
 141         unsigned i_num;
 142         unsigned i_den;
 143     } sar;
 144
 145     /* */
 146     int           i_title;
 147     input_title_t **title;
 148
 149     /* lenght of program group chain */
 150     mtime_t     i_pgc_length;
 151     int         i_vobu_index;
 152     int         i_vobu_flush;
 153 };
 154
 155 static int Control( demux_t *, int, va_list );
 156 static int Demux( demux_t * );
 157 static int DemuxBlock( demux_t *, const uint8_t *, int );
 158 static void DemuxForceStill( demux_t * );
 159
 160 static void DemuxTitles( demux_t * );
 161 static void ESSubtitleUpdate( demux_t * );
 162 static void ButtonUpdate( demux_t *, bool );
 163
 164 static void ESNew( demux_t *, int );
 165 static int ProbeDVD( const char * );
 166
 167 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var );
 168
 169 static int ControlInternal( demux_t *, int, ... );
 170
 171 static void StillTimer( void * );
 172
 173 static int EventKey( vlc_object_t *, char const *,
 174                      vlc_value_t, vlc_value_t, void * );
 175 static int EventMouse( vlc_object_t *, char const *,
 176                        vlc_value_t, vlc_value_t, void * );
 177 static int EventIntf( vlc_object_t *, char const *,
 178                       vlc_value_t, vlc_value_t, void * );
 179
 180 /*****************************************************************************
 181  * DemuxOpen:
 182  *****************************************************************************/
 183 static int Open( vlc_object_t *p_this )
 184 {
 185     demux_t     *p_demux = (demux_t*)p_this;
 186     demux_sys_t *p_sys;
 187     dvdnav_t    *p_dvdnav;
 188     int         i_angle;
 189     char        *psz_file;
 190     char        *psz_code;
 191     bool forced = false;
 192
 193     if( p_demux->psz_access != NULL
 194      && !strncmp(p_demux->psz_access, "dvd", 3) )
 195         forced = true;
 196
 197     if( !p_demux->psz_file || !*p_demux->psz_file )
 198     {
 199         /* Only when selected */
 200         if( !forced )
 201             return VLC_EGENERIC;
 202
 203         psz_file = var_InheritString( p_this, "dvd" );
 204     }
 205     else
 206         psz_file = strdup( p_demux->psz_file );
 207
 208 #if defined( WIN32 ) || defined( __OS2__ )
 209     if( psz_file != NULL )
 210     {
 211         /* Remove trailing backslash, otherwise dvdnav_open will fail */
 212         size_t flen = strlen( psz_file );
 213         if( flen > 0 && psz_file[flen - 1] == '\\' )
 214             psz_file[flen - 1] = '\0';
 215     }
 216     else
 217         psz_file = strdup("");
 218 #endif
 219     if( unlikely(psz_file == NULL) )
 220         return VLC_EGENERIC;
 221
 222     /* Try some simple probing to avoid going through dvdnav_open too often */
 223     if( !forced && ProbeDVD( psz_file ) != VLC_SUCCESS )
 224     {
 225         free( psz_file );
 226         return VLC_EGENERIC;
 227     }
 228
 229     /* Open dvdnav */
 230     const char *psz_path = ToLocale( psz_file );
 231     if( dvdnav_open( &p_dvdnav, psz_path ) != DVDNAV_STATUS_OK )
 232         p_dvdnav = NULL;
 233     LocaleFree( psz_path );
 234     if( p_dvdnav == NULL )
 235     {
 236         msg_Warn( p_demux, "cannot open DVD (%s)", psz_file);
 237         free( psz_file );
 238         return VLC_EGENERIC;
 239     }
 240     free( psz_file );
 241
 242     /* Fill p_demux field */
 243     DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
 244     p_sys->dvdnav = p_dvdnav;
 245     p_sys->b_reset_pcr = false;
 246
 247     ps_track_init( p_sys->tk );
 248     p_sys->sar.i_num = 0;
 249     p_sys->sar.i_den = 0;
 250     p_sys->i_mux_rate = 0;
 251     p_sys->i_pgc_length = 0;
 252     p_sys->b_spu_change = false;
 253     p_sys->i_vobu_index = 0;
 254     p_sys->i_vobu_flush = 0;
 255
 256     if( 1 )
 257     {
 258         // Hack for libdvdnav CVS.
 259         // Without it dvdnav_get_number_of_titles() fails.
 260         // Remove when fixed in libdvdnav CVS.
 261         uint8_t buffer[DVD_VIDEO_LB_LEN];
 262         int i_event, i_len;
 263
 264         if( dvdnav_get_next_block( p_sys->dvdnav, buffer, &i_event, &i_len )
 265               == DVDNAV_STATUS_ERR )
 266         {
 267             msg_Warn( p_demux, "dvdnav_get_next_block failed" );
 268         }
 269
 270         dvdnav_sector_search( p_sys->dvdnav, 0, SEEK_SET );
 271     }
 272
 273     /* Configure dvdnav */
 274     if( dvdnav_set_readahead_flag( p_sys->dvdnav, DVD_READ_CACHE ) !=
 275           DVDNAV_STATUS_OK )
 276     {
 277         msg_Warn( p_demux, "cannot set read-a-head flag" );
 278     }
 279
 280     if( dvdnav_set_PGC_positioning_flag( p_sys->dvdnav, 1 ) !=
 281           DVDNAV_STATUS_OK )
 282     {
 283         msg_Warn( p_demux, "cannot set PGC positioning flag" );
 284     }
 285
 286     /* Set menu language
 287      * XXX A menu-language may be better than sub-language */
 288     psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
 289     if( dvdnav_menu_language_select( p_sys->dvdnav, psz_code ) !=
 290         DVDNAV_STATUS_OK )
 291     {
 292         msg_Warn( p_demux, "can't set menu language to '%s' (%s)",
 293                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 294         /* We try to fall back to 'en' */
 295         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 296             dvdnav_menu_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 297     }
 298     free( psz_code );
 299
 300     /* Set audio language */
 301     psz_code = DemuxGetLanguageCode( p_demux, "audio-language" );
 302     if( dvdnav_audio_language_select( p_sys->dvdnav, psz_code ) !=
 303         DVDNAV_STATUS_OK )
 304     {
 305         msg_Warn( p_demux, "can't set audio language to '%s' (%s)",
 306                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 307         /* We try to fall back to 'en' */
 308         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 309             dvdnav_audio_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 310     }
 311     free( psz_code );
 312
 313     /* Set spu language */
 314     psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
 315     if( dvdnav_spu_language_select( p_sys->dvdnav, psz_code ) !=
 316         DVDNAV_STATUS_OK )
 317     {
 318         msg_Warn( p_demux, "can't set spu language to '%s' (%s)",
 319                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
 320         /* We try to fall back to 'en' */
 321         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
 322             dvdnav_spu_language_select(p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
 323     }
 324     free( psz_code );
 325
 326     DemuxTitles( p_demux );
 327
 328     if( var_CreateGetBool( p_demux, "dvdnav-menu" ) )
 329     {
 330         msg_Dbg( p_demux, "trying to go to dvd menu" );
 331
 332         if( dvdnav_title_play( p_sys->dvdnav, 1 ) != DVDNAV_STATUS_OK )
 333         {
 334             msg_Err( p_demux, "cannot set title (can't decrypt DVD?)" );
 335             dialog_Fatal( p_demux, _("Playback failure"), "%s",
 336                             _("VLC cannot set the DVD's title. It possibly "
 337                               "cannot decrypt the entire disc.") );
 338             dvdnav_close( p_sys->dvdnav );
 339             free( p_sys );
 340             return VLC_EGENERIC;
 341         }
 342
 343         if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title ) !=
 344             DVDNAV_STATUS_OK )
 345         {
 346             /* Try going to menu root */
 347             if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root ) !=
 348                 DVDNAV_STATUS_OK )
 349                     msg_Warn( p_demux, "cannot go to dvd menu" );
 350         }
 351     }
 352
 353     i_angle = var_CreateGetInteger( p_demux, "dvdnav-angle" );
 354     if( i_angle <= 0 ) i_angle = 1;
 355
 356     /* FIXME hack hack hack hack FIXME */
 357     /* Get p_input and create variable */
 358     p_sys->p_input = demux_GetParentInput( p_demux );
 359     var_Create( p_sys->p_input, "x-start", VLC_VAR_INTEGER );
 360     var_Create( p_sys->p_input, "y-start", VLC_VAR_INTEGER );
 361     var_Create( p_sys->p_input, "x-end", VLC_VAR_INTEGER );
 362     var_Create( p_sys->p_input, "y-end", VLC_VAR_INTEGER );
 363     var_Create( p_sys->p_input, "color", VLC_VAR_ADDRESS );
 364     var_Create( p_sys->p_input, "menu-palette", VLC_VAR_ADDRESS );
 365     var_Create( p_sys->p_input, "highlight", VLC_VAR_BOOL );
 366
 367     /* catch all key event */
 368     var_AddCallback( p_demux->p_libvlc, "key-action", EventKey, p_demux );
 369     /* catch vout creation event */
 370     var_AddCallback( p_sys->p_input, "intf-event", EventIntf, p_demux );
 371
 372     p_sys->still.b_enabled = false;
 373     vlc_mutex_init( &p_sys->still.lock );
 374     if( !vlc_timer_create( &p_sys->still.timer, StillTimer, p_sys ) )
 375         p_sys->still.b_created = true;
 376
 377     return VLC_SUCCESS;
 378 }
 379
 380 /*****************************************************************************
 381  * Close:
 382  *****************************************************************************/
 383 static void Close( vlc_object_t *p_this )
 384 {
 385     demux_t     *p_demux = (demux_t*)p_this;
 386     demux_sys_t *p_sys = p_demux->p_sys;
 387
 388     /* Stop vout event handler */
 389     var_DelCallback( p_sys->p_input, "intf-event", EventIntf, p_demux );
 390     if( p_sys->p_vout != NULL )
 391     {   /* Should not happen, but better be safe than sorry. */
 392         msg_Warn( p_sys->p_vout, "removing dangling mouse DVD callbacks" );
 393         var_DelCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
 394         var_DelCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
 395     }
 396
 397     /* Stop key event handler (FIXME: should really be per-vout too) */
 398     var_DelCallback( p_demux->p_libvlc, "key-action", EventKey, p_demux );
 399
 400     /* Stop still image handler */
 401     if( p_sys->still.b_created )
 402         vlc_timer_destroy( p_sys->still.timer );
 403     vlc_mutex_destroy( &p_sys->still.lock );
 404
 405     var_Destroy( p_sys->p_input, "highlight" );
 406     var_Destroy( p_sys->p_input, "x-start" );
 407     var_Destroy( p_sys->p_input, "x-end" );
 408     var_Destroy( p_sys->p_input, "y-start" );
 409     var_Destroy( p_sys->p_input, "y-end" );
 410     var_Destroy( p_sys->p_input, "color" );
 411     var_Destroy( p_sys->p_input, "menu-palette" );
 412
 413     vlc_object_release( p_sys->p_input );
 414
 415     for( int i = 0; i < PS_TK_COUNT; i++ )
 416     {
 417         ps_track_t *tk = &p_sys->tk[i];
 418         if( tk->b_seen )
 419         {
 420             es_format_Clean( &tk->fmt );
 421             if( tk->es ) es_out_Del( p_demux->out, tk->es );
 422         }
 423     }
 424
 425     /* Free the array of titles */
 426     for( int i = 0; i < p_sys->i_title; i++ )
 427         vlc_input_title_Delete( p_sys->title[i] );
 428     TAB_CLEAN( p_sys->i_title, p_sys->title );
 429
 430     dvdnav_close( p_sys->dvdnav );
 431     free( p_sys );
 432 }
 433
 434 /*****************************************************************************
 435  * Control:
 436  *****************************************************************************/
 437 static int Control( demux_t *p_demux, int i_query, va_list args )
 438 {
 439     demux_sys_t *p_sys = p_demux->p_sys;
 440     input_title_t ***ppp_title;
 441     int i;
 442
 443     switch( i_query )
 444     {
 445         case DEMUX_SET_POSITION:
 446         case DEMUX_GET_POSITION:
 447         case DEMUX_GET_TIME:
 448         case DEMUX_GET_LENGTH:
 449         {
 450             uint32_t pos, len;
 451             if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) !=
 452                   DVDNAV_STATUS_OK || len == 0 )
 453             {
 454                 return VLC_EGENERIC;
 455             }
 456
 457             switch( i_query )
 458             {
 459             case DEMUX_GET_POSITION:
 460                 *va_arg( args, double* ) = (double)pos / (double)len;
 461                 return VLC_SUCCESS;
 462
 463             case DEMUX_SET_POSITION:
 464                 pos = va_arg( args, double ) * len;
 465                 if( dvdnav_sector_search( p_sys->dvdnav, pos, SEEK_SET ) ==
 466                       DVDNAV_STATUS_OK )
 467                 {
 468                     return VLC_SUCCESS;
 469                 }
 470                 break;
 471
 472             case DEMUX_GET_TIME:
 473                 if( p_sys->i_pgc_length > 0 )
 474                 {
 475                     *va_arg( args, int64_t * ) = p_sys->i_pgc_length*pos/len;
 476                     return VLC_SUCCESS;
 477                 }
 478                 break;
 479
 480             case DEMUX_GET_LENGTH:
 481                 if( p_sys->i_pgc_length > 0 )
 482                 {
 483                     *va_arg( args, int64_t * ) = (int64_t)p_sys->i_pgc_length;
 484                     return VLC_SUCCESS;
 485                 }
 486                 break;
 487             }
 488             return VLC_EGENERIC;
 489         }
 490
 491         /* Special for access_demux */
 492         case DEMUX_CAN_PAUSE:
 493         case DEMUX_CAN_SEEK:
 494         case DEMUX_CAN_CONTROL_PACE:
 495             /* TODO */
 496             *va_arg( args, bool * ) = true;
 497             return VLC_SUCCESS;
 498
 499         case DEMUX_SET_PAUSE_STATE:
 500             return VLC_SUCCESS;
 501
 502         case DEMUX_GET_TITLE_INFO:
 503             ppp_title = va_arg( args, input_title_t*** );
 504             *va_arg( args, int* ) = p_sys->i_title;
 505             *va_arg( args, int* ) = 0; /* Title offset */
 506             *va_arg( args, int* ) = 1; /* Chapter offset */
 507
 508             /* Duplicate title infos */
 509             *ppp_title = malloc( sizeof( input_title_t ** ) * p_sys->i_title );
 510             for( i = 0; i < p_sys->i_title; i++ )
 511             {
 512                 (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->title[i] );
 513             }
 514             return VLC_SUCCESS;
 515
 516         case DEMUX_SET_TITLE:
 517             i = (int)va_arg( args, int );
 518             if( ( i == 0 && dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root )
 519                   != DVDNAV_STATUS_OK ) ||
 520                 ( i != 0 && dvdnav_title_play( p_sys->dvdnav, i )
 521                   != DVDNAV_STATUS_OK ) )
 522             {
 523                 msg_Warn( p_demux, "cannot set title/chapter" );
 524                 return VLC_EGENERIC;
 525             }
 526             p_demux->info.i_update |=
 527                 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
 528             p_demux->info.i_title = i;
 529             p_demux->info.i_seekpoint = 0;
 530             return VLC_SUCCESS;
 531
 532         case DEMUX_SET_SEEKPOINT:
 533             i = va_arg( args, int );
 534             if( p_demux->info.i_title == 0 )
 535             {
 536                 static const int argtab[] = {
 537                     DVD_MENU_Escape,
 538                     DVD_MENU_Root,
 539                     DVD_MENU_Title,
 540                     DVD_MENU_Part,
 541                     DVD_MENU_Subpicture,
 542                     DVD_MENU_Audio,
 543                     DVD_MENU_Angle
 544                 };
 545                 enum { numargs = sizeof(argtab)/sizeof(int) };
 546                 if( (unsigned)i >= numargs || DVDNAV_STATUS_OK !=
 547                            dvdnav_menu_call(p_sys->dvdnav,argtab[i]) )
 548                     return VLC_EGENERIC;
 549             }
 550             else if( dvdnav_part_play( p_sys->dvdnav, p_demux->info.i_title,
 551                                        i + 1 ) != DVDNAV_STATUS_OK )
 552             {
 553                 msg_Warn( p_demux, "cannot set title/chapter" );
 554                 return VLC_EGENERIC;
 555             }
 556             p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 557             p_demux->info.i_seekpoint = i;
 558             return VLC_SUCCESS;
 559
 560         case DEMUX_GET_PTS_DELAY:
 561             *va_arg( args, int64_t * ) =
 562                 INT64_C(1000) * var_InheritInteger( p_demux, "disc-caching" );
 563             return VLC_SUCCESS;
 564
 565         case DEMUX_GET_META:
 566         {
 567             const char *title_name = NULL;
 568
 569             dvdnav_get_title_string(p_sys->dvdnav, &title_name);
 570             if( (NULL != title_name) && ('\0' != title_name[0]) )
 571             {
 572                 vlc_meta_t *p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
 573                 vlc_meta_Set( p_meta, vlc_meta_Title, title_name );
 574                 return VLC_SUCCESS;
 575             }
 576             return VLC_EGENERIC;
 577         }
 578
 579         /* TODO implement others */
 580         default:
 581             return VLC_EGENERIC;
 582     }
 583 }
 584
 585 static int ControlInternal( demux_t *p_demux, int i_query, ... )
 586 {
 587     va_list args;
 588     int     i_result;
 589
 590     va_start( args, i_query );
 591     i_result = Control( p_demux, i_query, args );
 592     va_end( args );
 593
 594     return i_result;
 595 }
 596 /*****************************************************************************
 597  * Demux:
 598  *****************************************************************************/
 599 static int Demux( demux_t *p_demux )
 600 {
 601     demux_sys_t *p_sys = p_demux->p_sys;
 602
 603     uint8_t buffer[DVD_VIDEO_LB_LEN];
 604     uint8_t *packet = buffer;
 605     int i_event;
 606     int i_len;
 607
 608 #if DVD_READ_CACHE
 609     if( dvdnav_get_next_cache_block( p_sys->dvdnav, &packet, &i_event, &i_len )
 610         == DVDNAV_STATUS_ERR )
 611 #else
 612     if( dvdnav_get_next_block( p_sys->dvdnav, packet, &i_event, &i_len )
 613         == DVDNAV_STATUS_ERR )
 614 #endif
 615     {
 616         msg_Warn( p_demux, "cannot get next block (%s)",
 617                   dvdnav_err_to_string( p_sys->dvdnav ) );
 618         if( p_demux->info.i_title == 0 )
 619         {
 620             msg_Dbg( p_demux, "jumping to first title" );
 621             return ControlInternal( p_demux, DEMUX_SET_TITLE, 1 ) == VLC_SUCCESS ? 1 : -1;
 622         }
 623         return -1;
 624     }
 625
 626     switch( i_event )
 627     {
 628     case DVDNAV_BLOCK_OK:   /* mpeg block */
 629         vlc_mutex_lock( &p_sys->still.lock );
 630         vlc_timer_schedule( p_sys->still.timer, false, 0, 0 );
 631         p_sys->still.b_enabled = false;
 632         vlc_mutex_unlock( &p_sys->still.lock );
 633         if( p_sys->b_reset_pcr )
 634         {
 635             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 636             p_sys->b_reset_pcr = false;
 637         }
 638         DemuxBlock( p_demux, packet, i_len );
 639         if( p_sys->i_vobu_index > 0 )
 640         {
 641             if( p_sys->i_vobu_flush == p_sys->i_vobu_index )
 642                 DemuxForceStill( p_demux );
 643             p_sys->i_vobu_index++;
 644         }
 645         break;
 646
 647     case DVDNAV_NOP:    /* Nothing */
 648         msg_Dbg( p_demux, "DVDNAV_NOP" );
 649         break;
 650
 651     case DVDNAV_STILL_FRAME:
 652     {
 653         dvdnav_still_event_t *event = (dvdnav_still_event_t*)packet;
 654         bool b_still_init = false;
 655
 656         vlc_mutex_lock( &p_sys->still.lock );
 657         if( !p_sys->still.b_enabled )
 658         {
 659             msg_Dbg( p_demux, "DVDNAV_STILL_FRAME" );
 660             msg_Dbg( p_demux, "     - length=0x%x", event->length );
 661             p_sys->still.b_enabled = true;
 662
 663             if( event->length != 0xff && p_sys->still.b_created )
 664             {
 665                 mtime_t delay = event->length * CLOCK_FREQ;
 666                 vlc_timer_schedule( p_sys->still.timer, false, delay, 0 );
 667             }
 668
 669             b_still_init = true;
 670         }
 671         vlc_mutex_unlock( &p_sys->still.lock );
 672
 673         if( b_still_init )
 674         {
 675             DemuxForceStill( p_demux );
 676             p_sys->b_reset_pcr = true;
 677         }
 678         msleep( 40000 );
 679         break;
 680     }
 681
 682     case DVDNAV_SPU_CLUT_CHANGE:
 683     {
 684         int i;
 685
 686         msg_Dbg( p_demux, "DVDNAV_SPU_CLUT_CHANGE" );
 687         /* Update color lookup table (16 *uint32_t in packet) */
 688         memcpy( p_sys->clut, packet, 16 * sizeof( uint32_t ) );
 689
 690         /* HACK to get the SPU tracks registered in the right order */
 691         for( i = 0; i < 0x1f; i++ )
 692         {
 693             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 694                 ESNew( p_demux, 0xbd20 + i );
 695         }
 696         /* END HACK */
 697         break;
 698     }
 699
 700     case DVDNAV_SPU_STREAM_CHANGE:
 701     {
 702         dvdnav_spu_stream_change_event_t *event =
 703             (dvdnav_spu_stream_change_event_t*)packet;
 704         int i;
 705
 706         msg_Dbg( p_demux, "DVDNAV_SPU_STREAM_CHANGE" );
 707         msg_Dbg( p_demux, "     - physical_wide=%d",
 708                  event->physical_wide );
 709         msg_Dbg( p_demux, "     - physical_letterbox=%d",
 710                  event->physical_letterbox);
 711         msg_Dbg( p_demux, "     - physical_pan_scan=%d",
 712                  event->physical_pan_scan );
 713
 714         ESSubtitleUpdate( p_demux );
 715         p_sys->b_spu_change = true;
 716
 717         /* HACK to get the SPU tracks registered in the right order */
 718         for( i = 0; i < 0x1f; i++ )
 719         {
 720             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
 721                 ESNew( p_demux, 0xbd20 + i );
 722         }
 723         /* END HACK */
 724         break;
 725     }
 726
 727     case DVDNAV_AUDIO_STREAM_CHANGE:
 728     {
 729         dvdnav_audio_stream_change_event_t *event =
 730             (dvdnav_audio_stream_change_event_t*)packet;
 731         msg_Dbg( p_demux, "DVDNAV_AUDIO_STREAM_CHANGE" );
 732         msg_Dbg( p_demux, "     - physical=%d", event->physical );
 733         /* TODO */
 734         break;
 735     }
 736
 737     case DVDNAV_VTS_CHANGE:
 738     {
 739         int32_t i_title = 0;
 740         int32_t i_part  = 0;
 741         int i;
 742
 743         dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t*)packet;
 744         msg_Dbg( p_demux, "DVDNAV_VTS_CHANGE" );
 745         msg_Dbg( p_demux, "     - vtsN=%d", event->new_vtsN );
 746         msg_Dbg( p_demux, "     - domain=%d", event->new_domain );
 747
 748         /* reset PCR */
 749         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 750
 751         for( i = 0; i < PS_TK_COUNT; i++ )
 752         {
 753             ps_track_t *tk = &p_sys->tk[i];
 754             if( tk->b_seen )
 755             {
 756                 es_format_Clean( &tk->fmt );
 757                 if( tk->es ) es_out_Del( p_demux->out, tk->es );
 758             }
 759             tk->b_seen = false;
 760         }
 761
 762 #if defined(HAVE_DVDNAV_GET_VIDEO_RESOLUTION)
 763         uint32_t i_width, i_height;
 764         if( dvdnav_get_video_resolution( p_sys->dvdnav,
 765                                          &i_width, &i_height ) )
 766             i_width = i_height = 0;
 767         switch( dvdnav_get_video_aspect( p_sys->dvdnav ) )
 768         {
 769         case 0:
 770             p_sys->sar.i_num = 4 * i_height;
 771             p_sys->sar.i_den = 3 * i_width;
 772             break;
 773         case 3:
 774             p_sys->sar.i_num = 16 * i_height;
 775             p_sys->sar.i_den =  9 * i_width;
 776             break;
 777         default:
 778             p_sys->sar.i_num = 0;
 779             p_sys->sar.i_den = 0;
 780             break;
 781         }
 782 #endif
 783
 784         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 785                                        &i_part ) == DVDNAV_STATUS_OK )
 786         {
 787             if( i_title >= 0 && i_title < p_sys->i_title &&
 788                 p_demux->info.i_title != i_title )
 789             {
 790                 p_demux->info.i_update |= INPUT_UPDATE_TITLE;
 791                 p_demux->info.i_title = i_title;
 792             }
 793         }
 794         break;
 795     }
 796
 797     case DVDNAV_CELL_CHANGE:
 798     {
 799         int32_t i_title = 0;
 800         int32_t i_part  = 0;
 801
 802         dvdnav_cell_change_event_t *event =
 803             (dvdnav_cell_change_event_t*)packet;
 804         msg_Dbg( p_demux, "DVDNAV_CELL_CHANGE" );
 805         msg_Dbg( p_demux, "     - cellN=%d", event->cellN );
 806         msg_Dbg( p_demux, "     - pgN=%d", event->pgN );
 807         msg_Dbg( p_demux, "     - cell_length=%"PRId64, event->cell_length );
 808         msg_Dbg( p_demux, "     - pg_length=%"PRId64, event->pg_length );
 809         msg_Dbg( p_demux, "     - pgc_length=%"PRId64, event->pgc_length );
 810         msg_Dbg( p_demux, "     - cell_start=%"PRId64, event->cell_start );
 811         msg_Dbg( p_demux, "     - pg_start=%"PRId64, event->pg_start );
 812
 813         /* Store the lenght in time of the current PGC */
 814         p_sys->i_pgc_length = event->pgc_length / 90 * 1000;
 815         p_sys->i_vobu_index = 0;
 816         p_sys->i_vobu_flush = 0;
 817
 818         /* FIXME is it correct or there is better way to know chapter change */
 819         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 820                                        &i_part ) == DVDNAV_STATUS_OK )
 821         {
 822             if( i_title >= 0 && i_title < p_sys->i_title &&
 823                 i_part >= 1 && i_part <= p_sys->title[i_title]->i_seekpoint &&
 824                 p_demux->info.i_seekpoint != i_part - 1 )
 825             {
 826                 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 827                 p_demux->info.i_seekpoint = i_part - 1;
 828             }
 829         }
 830         break;
 831     }
 832
 833     case DVDNAV_NAV_PACKET:
 834     {
 835         p_sys->i_vobu_index = 1;
 836         p_sys->i_vobu_flush = 0;
 837
 838         /* Look if we have need to force a flush (and when) */
 839         const pci_gi_t *p_pci_gi = &dvdnav_get_current_nav_pci( p_sys->dvdnav )->pci_gi;
 840         if( p_pci_gi->vobu_se_e_ptm != 0 && p_pci_gi->vobu_se_e_ptm < p_pci_gi->vobu_e_ptm )
 841         {
 842             const dsi_gi_t *p_dsi_gi = &dvdnav_get_current_nav_dsi( p_sys->dvdnav )->dsi_gi;
 843             if( p_dsi_gi->vobu_3rdref_ea != 0 )
 844                 p_sys->i_vobu_flush = p_dsi_gi->vobu_3rdref_ea;
 845             else if( p_dsi_gi->vobu_2ndref_ea != 0 )
 846                 p_sys->i_vobu_flush = p_dsi_gi->vobu_2ndref_ea;
 847             else if( p_dsi_gi->vobu_1stref_ea != 0 )
 848                 p_sys->i_vobu_flush = p_dsi_gi->vobu_1stref_ea;
 849         }
 850
 851 #ifdef DVDNAV_DEBUG
 852         msg_Dbg( p_demux, "DVDNAV_NAV_PACKET" );
 853 #endif
 854         /* A lot of thing to do here :
 855          *  - handle packet
 856          *  - fetch pts (for time display)
 857          *  - ...
 858          */
 859         DemuxBlock( p_demux, packet, i_len );
 860         if( p_sys->b_spu_change )
 861         {
 862             ButtonUpdate( p_demux, false );
 863             p_sys->b_spu_change = false;
 864         }
 865         break;
 866     }
 867
 868     case DVDNAV_STOP:   /* EOF */
 869         msg_Dbg( p_demux, "DVDNAV_STOP" );
 870
 871 #if DVD_READ_CACHE
 872         dvdnav_free_cache_block( p_sys->dvdnav, packet );
 873 #endif
 874         return 0;
 875
 876     case DVDNAV_HIGHLIGHT:
 877     {
 878         dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t*)packet;
 879         msg_Dbg( p_demux, "DVDNAV_HIGHLIGHT" );
 880         msg_Dbg( p_demux, "     - display=%d", event->display );
 881         msg_Dbg( p_demux, "     - buttonN=%d", event->buttonN );
 882         ButtonUpdate( p_demux, false );
 883         break;
 884     }
 885
 886     case DVDNAV_HOP_CHANNEL:
 887         msg_Dbg( p_demux, "DVDNAV_HOP_CHANNEL" );
 888         p_sys->i_vobu_index = 0;
 889         p_sys->i_vobu_flush = 0;
 890         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 891         break;
 892
 893     case DVDNAV_WAIT:
 894         msg_Dbg( p_demux, "DVDNAV_WAIT" );
 895
 896         bool b_empty;
 897         es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
 898         if( !b_empty )
 899         {
 900             msleep( 40*1000 );
 901         }
 902         else
 903         {
 904             dvdnav_wait_skip( p_sys->dvdnav );
 905             p_sys->b_reset_pcr = true;
 906         }
 907         break;
 908
 909     default:
 910         msg_Warn( p_demux, "Unknown event (0x%x)", i_event );
 911         break;
 912     }
 913
 914 #if DVD_READ_CACHE
 915     dvdnav_free_cache_block( p_sys->dvdnav, packet );
 916 #endif
 917
 918     return 1;
 919 }
 920
 921 /* Get a 2 char code
 922  * FIXME: partiallyy duplicated from src/input/es_out.c
 923  */
 924 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var )
 925 {
 926     const iso639_lang_t *pl;
 927     char *psz_lang;
 928     char *p;
 929
 930     psz_lang = var_CreateGetString( p_demux, psz_var );
 931     if( !psz_lang )
 932         return strdup(LANGUAGE_DEFAULT);
 933
 934     /* XXX: we will use only the first value
 935      * (and ignore other ones in case of a list) */
 936     if( ( p = strchr( psz_lang, ',' ) ) )
 937         *p = '\0';
 938
 939     for( pl = p_languages; pl->psz_eng_name != NULL; pl++ )
 940     {
 941         if( *psz_lang == '\0' )
 942             continue;
 943         if( !strcasecmp( pl->psz_eng_name, psz_lang ) ||
 944             !strcasecmp( pl->psz_native_name, psz_lang ) ||
 945             !strcasecmp( pl->psz_iso639_1, psz_lang ) ||
 946             !strcasecmp( pl->psz_iso639_2T, psz_lang ) ||
 947             !strcasecmp( pl->psz_iso639_2B, psz_lang ) )
 948             break;
 949     }
 950
 951     free( psz_lang );
 952
 953     if( pl->psz_eng_name != NULL )
 954         return strdup( pl->psz_iso639_1 );
 955
 956     return strdup(LANGUAGE_DEFAULT);
 957 }
 958
 959 static void DemuxTitles( demux_t *p_demux )
 960 {
 961     demux_sys_t *p_sys = p_demux->p_sys;
 962     input_title_t *t;
 963     seekpoint_t *s;
 964     int32_t i_titles;
 965     int i;
 966
 967     /* Menu */
 968     t = vlc_input_title_New();
 969     t->b_menu = true;
 970     t->psz_name = strdup( "DVD Menu" );
 971
 972     s = vlc_seekpoint_New();
 973     s->psz_name = strdup( "Resume" );
 974     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 975
 976     s = vlc_seekpoint_New();
 977     s->psz_name = strdup( "Root" );
 978     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 979
 980     s = vlc_seekpoint_New();
 981     s->psz_name = strdup( "Title" );
 982     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 983
 984     s = vlc_seekpoint_New();
 985     s->psz_name = strdup( "Chapter" );
 986     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 987
 988     s = vlc_seekpoint_New();
 989     s->psz_name = strdup( "Subtitle" );
 990     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 991
 992     s = vlc_seekpoint_New();
 993     s->psz_name = strdup( "Audio" );
 994     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 995
 996     s = vlc_seekpoint_New();
 997     s->psz_name = strdup( "Angle" );
 998     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
 999
1000     TAB_APPEND( p_sys->i_title, p_sys->title, t );
1001
1002     /* Find out number of titles/chapters */
1003     dvdnav_get_number_of_titles( p_sys->dvdnav, &i_titles );
1004     for( i = 1; i <= i_titles; i++ )
1005     {
1006         int32_t i_chapters;
1007         uint64_t i_title_length;
1008         uint64_t *p_chapters_time;
1009
1010 #if defined(HAVE_DVDNAV_DESCRIBE_TITLE_CHAPTERS)
1011         i_chapters = dvdnav_describe_title_chapters( p_sys->dvdnav, i,
1012                                                      &p_chapters_time,
1013                                                      &i_title_length );
1014         if( i_chapters < 1 )
1015         {
1016             i_title_length = 0;
1017             p_chapters_time = NULL;
1018         }
1019 #else
1020         if( dvdnav_get_number_of_parts( p_sys->dvdnav, i, &i_chapters ) != DVDNAV_STATUS_OK )
1021             i_chapters = 0;
1022         i_title_length = 0;
1023         p_chapters_time = NULL;
1024 #endif
1025         t = vlc_input_title_New();
1026         t->i_length = i_title_length * 1000 / 90;
1027         for( int j = 0; j < __MAX( i_chapters, 1 ); j++ )
1028         {
1029             s = vlc_seekpoint_New();
1030             if( p_chapters_time )
1031                 s->i_time_offset = p_chapters_time[j] * 1000 / 90;
1032             TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1033         }
1034         free( p_chapters_time );
1035         TAB_APPEND( p_sys->i_title, p_sys->title, t );
1036     }
1037 }
1038
1039 /*****************************************************************************
1040  * Update functions:
1041  *****************************************************************************/
1042 static void ButtonUpdate( demux_t *p_demux, bool b_mode )
1043 {
1044     demux_sys_t *p_sys = p_demux->p_sys;
1045     int32_t i_title, i_part;
1046
1047     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1048
1049     dvdnav_highlight_area_t hl;
1050     int32_t i_button;
1051     bool    b_button_ok;
1052
1053     if( dvdnav_get_current_highlight( p_sys->dvdnav, &i_button )
1054         != DVDNAV_STATUS_OK )
1055     {
1056         msg_Err( p_demux, "dvdnav_get_current_highlight failed" );
1057         return;
1058     }
1059
1060     b_button_ok = false;
1061     if( i_button > 0 && i_title ==  0 )
1062     {
1063         pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1064
1065         b_button_ok = DVDNAV_STATUS_OK ==
1066                   dvdnav_get_highlight_area( pci, i_button, b_mode, &hl );
1067     }
1068
1069     if( b_button_ok )
1070     {
1071         for( unsigned i = 0; i < 4; i++ )
1072         {
1073             uint32_t i_yuv = p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
1074             uint8_t i_alpha = ( (hl.palette>>(i*4))&0x0f ) * 0xff / 0xf;
1075
1076             p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
1077             p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
1078             p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
1079             p_sys->palette[i][3] = i_alpha;
1080         }
1081
1082         vlc_global_lock( VLC_HIGHLIGHT_MUTEX );
1083         var_SetInteger( p_sys->p_input, "x-start", hl.sx );
1084         var_SetInteger( p_sys->p_input, "x-end",  hl.ex );
1085         var_SetInteger( p_sys->p_input, "y-start", hl.sy );
1086         var_SetInteger( p_sys->p_input, "y-end", hl.ey );
1087
1088         var_SetAddress( p_sys->p_input, "menu-palette", p_sys->palette );
1089         var_SetBool( p_sys->p_input, "highlight", true );
1090
1091         msg_Dbg( p_demux, "buttonUpdate %d", i_button );
1092     }
1093     else
1094     {
1095         msg_Dbg( p_demux, "buttonUpdate not done b=%d t=%d",
1096                  i_button, i_title );
1097
1098         /* Show all */
1099         vlc_global_lock( VLC_HIGHLIGHT_MUTEX );
1100         var_SetBool( p_sys->p_input, "highlight", false );
1101     }
1102     vlc_global_unlock( VLC_HIGHLIGHT_MUTEX );
1103 }
1104
1105 static void ESSubtitleUpdate( demux_t *p_demux )
1106 {
1107     demux_sys_t *p_sys = p_demux->p_sys;
1108     int         i_spu = dvdnav_get_active_spu_stream( p_sys->dvdnav );
1109     int32_t i_title, i_part;
1110
1111     ButtonUpdate( p_demux, false );
1112
1113     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1114     if( i_title > 0 ) return;
1115
1116     if( i_spu >= 0 && i_spu <= 0x1f )
1117     {
1118         ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1119
1120         ESNew( p_demux, 0xbd20 + i_spu );
1121
1122         /* be sure to unselect it (reset) */
1123         es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1124                         (bool)false );
1125
1126         /* now select it */
1127         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1128     }
1129     else
1130     {
1131         for( i_spu = 0; i_spu <= 0x1F; i_spu++ )
1132         {
1133             ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1134             if( tk->b_seen )
1135             {
1136                 es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1137                                 (bool)false );
1138             }
1139         }
1140     }
1141 }
1142
1143 /*****************************************************************************
1144  * DemuxBlock: demux a given block
1145  *****************************************************************************/
1146 static int DemuxBlock( demux_t *p_demux, const uint8_t *p, int len )
1147 {
1148     demux_sys_t *p_sys = p_demux->p_sys;
1149
1150     while( len > 0 )
1151     {
1152         int i_size = ps_pkt_size( p, len );
1153         if( i_size <= 0 || i_size > len )
1154         {
1155             break;
1156         }
1157
1158         /* Create a block */
1159         block_t *p_pkt = block_New( p_demux, i_size );
1160         memcpy( p_pkt->p_buffer, p, i_size);
1161
1162         /* Parse it and send it */
1163         switch( 0x100 | p[3] )
1164         {
1165         case 0x1b9:
1166         case 0x1bb:
1167         case 0x1bc:
1168 #ifdef DVDNAV_DEBUG
1169             if( p[3] == 0xbc )
1170             {
1171                 msg_Warn( p_demux, "received a PSM packet" );
1172             }
1173             else if( p[3] == 0xbb )
1174             {
1175                 msg_Warn( p_demux, "received a SYSTEM packet" );
1176             }
1177 #endif
1178             block_Release( p_pkt );
1179             break;
1180
1181         case 0x1ba:
1182         {
1183             int64_t i_scr;
1184             int i_mux_rate;
1185             if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
1186             {
1187                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr + 1 );
1188                 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
1189             }
1190             block_Release( p_pkt );
1191             break;
1192         }
1193         default:
1194         {
1195             int i_id = ps_pkt_id( p_pkt );
1196             if( i_id >= 0xc0 )
1197             {
1198                 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1199
1200                 if( !tk->b_seen )
1201                 {
1202                     ESNew( p_demux, i_id );
1203                 }
1204                 if( tk->b_seen && tk->es &&
1205                     !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
1206                 {
1207                     es_out_Send( p_demux->out, tk->es, p_pkt );
1208                 }
1209                 else
1210                 {
1211                     block_Release( p_pkt );
1212                 }
1213             }
1214             else
1215             {
1216                 block_Release( p_pkt );
1217             }
1218             break;
1219         }
1220         }
1221
1222         p += i_size;
1223         len -= i_size;
1224     }
1225
1226     return VLC_SUCCESS;
1227 }
1228
1229 /*****************************************************************************
1230  * Force still images to be displayed by sending EOS and stopping buffering.
1231  *****************************************************************************/
1232 static void DemuxForceStill( demux_t *p_demux )
1233 {
1234     static const uint8_t buffer[] = {
1235         0x00, 0x00, 0x01, 0xe0, 0x00, 0x07,
1236         0x80, 0x00, 0x00,
1237         0x00, 0x00, 0x01, 0xB7,
1238     };
1239     DemuxBlock( p_demux, buffer, sizeof(buffer) );
1240
1241     bool b_empty;
1242     es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
1243 }
1244
1245 /*****************************************************************************
1246  * ESNew: register a new elementary stream
1247  *****************************************************************************/
1248 static void ESNew( demux_t *p_demux, int i_id )
1249 {
1250     demux_sys_t *p_sys = p_demux->p_sys;
1251     ps_track_t  *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1252     bool  b_select = false;
1253
1254     if( tk->b_seen ) return;
1255
1256     if( ps_track_fill( tk, 0, i_id ) )
1257     {
1258         msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
1259         return;
1260     }
1261
1262     /* Add a new ES */
1263     if( tk->fmt.i_cat == VIDEO_ES )
1264     {
1265         tk->fmt.video.i_sar_num = p_sys->sar.i_num;
1266         tk->fmt.video.i_sar_den = p_sys->sar.i_den;
1267         b_select = true;
1268     }
1269     else if( tk->fmt.i_cat == AUDIO_ES )
1270     {
1271         int i_audio = -1;
1272         /* find the audio number PLEASE find another way */
1273         if( (i_id&0xbdf8) == 0xbd88 )       /* dts */
1274         {
1275             i_audio = i_id&0x07;
1276         }
1277         else if( (i_id&0xbdf0) == 0xbd80 )  /* a52 */
1278         {
1279             i_audio = i_id&0xf;
1280         }
1281         else if( (i_id&0xbdf0) == 0xbda0 )  /* lpcm */
1282         {
1283             i_audio = i_id&0x1f;
1284         }
1285         else if( ( i_id&0xe0 ) == 0xc0 )    /* mpga */
1286         {
1287             i_audio = i_id&0x1f;
1288         }
1289         if( i_audio >= 0 )
1290         {
1291             int i_lang = dvdnav_audio_stream_to_lang( p_sys->dvdnav, i_audio );
1292             if( i_lang != 0xffff )
1293             {
1294                 tk->fmt.psz_language = malloc( 3 );
1295                 tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1296                 tk->fmt.psz_language[1] = (i_lang     )&0xff;
1297                 tk->fmt.psz_language[2] = 0;
1298             }
1299             if( dvdnav_get_active_audio_stream( p_sys->dvdnav ) == i_audio )
1300             {
1301                 b_select = true;
1302             }
1303         }
1304     }
1305     else if( tk->fmt.i_cat == SPU_ES )
1306     {
1307         int32_t i_title, i_part;
1308         int i_lang = dvdnav_spu_stream_to_lang( p_sys->dvdnav, i_id&0x1f );
1309         if( i_lang != 0xffff )
1310         {
1311             tk->fmt.psz_language = malloc( 3 );
1312             tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1313             tk->fmt.psz_language[1] = (i_lang     )&0xff;
1314             tk->fmt.psz_language[2] = 0;
1315         }
1316
1317         /* Palette */
1318         tk->fmt.subs.spu.palette[0] = 0xBeef;
1319         memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
1320                 16 * sizeof( uint32_t ) );
1321
1322         /* We select only when we are not in the menu */
1323         dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1324         if( i_title > 0 &&
1325             dvdnav_get_active_spu_stream( p_sys->dvdnav ) == (i_id&0x1f) )
1326         {
1327             b_select = true;
1328         }
1329     }
1330
1331     tk->es = es_out_Add( p_demux->out, &tk->fmt );
1332     if( b_select )
1333     {
1334         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1335     }
1336     tk->b_seen = true;
1337
1338     if( tk->fmt.i_cat == VIDEO_ES ) ButtonUpdate( p_demux, false );
1339 }
1340
1341 /*****************************************************************************
1342  * Still image end
1343  *****************************************************************************/
1344 static void StillTimer( void *p_data )
1345 {
1346     demux_sys_t    *p_sys = p_data;
1347
1348     vlc_mutex_lock( &p_sys->still.lock );
1349     if( likely(p_sys->still.b_enabled) )
1350     {
1351         p_sys->still.b_enabled = false;
1352         dvdnav_still_skip( p_sys->dvdnav );
1353     }
1354     vlc_mutex_unlock( &p_sys->still.lock );
1355 }
1356
1357 static int EventMouse( vlc_object_t *p_vout, char const *psz_var,
1358                        vlc_value_t oldval, vlc_value_t val, void *p_data )
1359 {
1360     demux_t *p_demux = p_data;
1361     demux_sys_t *p_sys = p_demux->p_sys;
1362
1363     /* FIXME? PCI usage thread safe? */
1364     pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1365     int x = val.coords.x;
1366     int y = val.coords.y;
1367
1368     if( psz_var[6] == 'm' ) /* mouse-moved */
1369         dvdnav_mouse_select( p_sys->dvdnav, pci, x, y );
1370     else
1371     {
1372         assert( psz_var[6] == 'c' ); /* mouse-clicked */
1373
1374         ButtonUpdate( p_demux, true );
1375         dvdnav_mouse_activate( p_sys->dvdnav, pci, x, y );
1376     }
1377     (void)p_vout;
1378     (void)oldval;
1379     return VLC_SUCCESS;
1380 }
1381
1382 static int EventKey( vlc_object_t *p_this, char const *psz_var,
1383                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
1384 {
1385     demux_t *p_demux = p_data;
1386     demux_sys_t *p_sys = p_demux->p_sys;
1387
1388     /* FIXME: thread-safe ? */
1389     pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1390
1391     switch( newval.i_int )
1392     {
1393     case ACTIONID_NAV_LEFT:
1394         dvdnav_left_button_select( p_sys->dvdnav, pci );
1395         break;
1396     case ACTIONID_NAV_RIGHT:
1397         dvdnav_right_button_select( p_sys->dvdnav, pci );
1398         break;
1399     case ACTIONID_NAV_UP:
1400         dvdnav_upper_button_select( p_sys->dvdnav, pci );
1401         break;
1402     case ACTIONID_NAV_DOWN:
1403         dvdnav_lower_button_select( p_sys->dvdnav, pci );
1404         break;
1405     case ACTIONID_NAV_ACTIVATE:
1406         ButtonUpdate( p_demux, true );
1407         dvdnav_button_activate( p_sys->dvdnav, pci );
1408         break;
1409     }
1410
1411     (void)p_this;    (void)psz_var;    (void)oldval;
1412     return VLC_SUCCESS;
1413 }
1414
1415 static int EventIntf( vlc_object_t *p_input, char const *psz_var,
1416                       vlc_value_t oldval, vlc_value_t val, void *p_data )
1417 {
1418     demux_t *p_demux = p_data;
1419     demux_sys_t *p_sys = p_demux->p_sys;
1420
1421     if (val.i_int == INPUT_EVENT_VOUT)
1422     {
1423         if( p_sys->p_vout != NULL )
1424         {
1425             var_DelCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
1426             var_DelCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
1427             vlc_object_release( p_sys->p_vout );
1428         }
1429
1430         p_sys->p_vout = input_GetVout( (input_thread_t *)p_input );
1431         if( p_sys->p_vout != NULL )
1432         {
1433             var_AddCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
1434             var_AddCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
1435         }
1436     }
1437     (void) psz_var; (void) oldval;
1438     return VLC_SUCCESS;
1439 }
1440
1441 /*****************************************************************************
1442  * ProbeDVD: very weak probing that avoids going too often into a dvdnav_open()
1443  *****************************************************************************/
1444 static int ProbeDVD( const char *psz_name )
1445 {
1446     if( !*psz_name )
1447         /* Triggers libdvdcss autodetection */
1448         return VLC_SUCCESS;
1449
1450     int fd = vlc_open( psz_name, O_RDONLY | O_NONBLOCK );
1451     if( fd == -1 )
1452 #ifdef HAVE_FDOPENDIR
1453         return VLC_EGENERIC;
1454 #else
1455         return (errno == ENOENT) ? VLC_EGENERIC : VLC_SUCCESS;
1456 #endif
1457
1458     int ret = VLC_EGENERIC;
1459
1460 #ifdef HAVE_SYS_STAT_H
1461     struct stat stat_info;
1462
1463     if( fstat( fd, &stat_info ) == -1 )
1464          goto bailout;
1465
1466     if( !S_ISREG( stat_info.st_mode ) )
1467     {
1468         if( S_ISDIR( stat_info.st_mode ) || S_ISBLK( stat_info.st_mode ) )
1469             ret = VLC_SUCCESS; /* Let dvdnav_open() do the probing */
1470         goto bailout;
1471     }
1472 #endif
1473     /* Match extension as the anchor exhibits too many false positives */
1474     const char *ext = strrchr( psz_name, '.' );
1475     if( ext == NULL )
1476         goto bailout;
1477     ext++;
1478     if( strcasecmp( ext, "iso" ) && strcasecmp( ext, "img" ) &&
1479         strcasecmp( ext, "mdf" ) && strcasecmp( ext, "dvd" ) )
1480         goto bailout;
1481
1482     /* Try to find the anchor (2 bytes at LBA 256) */
1483     uint16_t anchor;
1484
1485     if( lseek( fd, 256 * DVD_VIDEO_LB_LEN, SEEK_SET ) != -1
1486      && read( fd, &anchor, 2 ) == 2
1487      && GetWLE( &anchor ) == 2 )
1488         ret = VLC_SUCCESS; /* Found a potential anchor */
1489
1490 bailout:
1491     close( fd );
1492     return ret;
1493 }