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

   1 /*****************************************************************************
   2  * dvdread.c : DvdRead input module for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2001-2006 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Stéphane Borel <stef@via.ecp.fr>
   8  *          Gildas Bazin <gbazin@videolan.org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28
  29 #ifdef HAVE_CONFIG_H
  30 # include "config.h"
  31 #endif
  32
  33 #include <vlc/vlc.h>
  34 #include <vlc_input.h>
  35 #include <vlc_access.h>
  36 #include <vlc_charset.h>
  37
  38 #include <vlc_interface.h>
  39
  40 #include "iso_lang.h"
  41
  42 #include "../demux/ps.h"
  43
  44 #ifdef HAVE_UNISTD_H
  45 #   include <unistd.h>
  46 #endif
  47
  48 #include <fcntl.h>
  49 #include <sys/types.h>
  50 #include <sys/stat.h>
  51
  52 #include <dvdread/dvd_reader.h>
  53 #include <dvdread/ifo_types.h>
  54 #include <dvdread/ifo_read.h>
  55 #include <dvdread/nav_read.h>
  56 #include <dvdread/nav_print.h>
  57
  58 /*****************************************************************************
  59  * Module descriptor
  60  *****************************************************************************/
  61 #define ANGLE_TEXT N_("DVD angle")
  62 #define ANGLE_LONGTEXT N_( \
  63     "Default DVD angle." )
  64
  65 #define CACHING_TEXT N_("Caching value in ms")
  66 #define CACHING_LONGTEXT N_( \
  67     "Caching value for DVDs. " \
  68     "This value should be set in milliseconds." )
  69
  70 #define CSSMETHOD_TEXT N_("Method used by libdvdcss for decryption")
  71 #define CSSMETHOD_LONGTEXT N_( \
  72     "Set the method used by libdvdcss for key decryption.\n" \
  73     "title: decrypted title key is guessed from the encrypted sectors of " \
  74            "the stream. Thus it should work with a file as well as the " \
  75            "DVD device. But it sometimes takes much time to decrypt a title " \
  76            "key and may even fail. With this method, the key is only checked "\
  77            "at the beginning of each title, so it won't work if the key " \
  78            "changes in the middle of a title.\n" \
  79     "disc: the disc key is first cracked, then all title keys can be " \
  80            "decrypted instantly, which allows us to check them often.\n" \
  81     "key: the same as \"disc\" if you don't have a file with player keys " \
  82            "at compilation time. If you do, the decryption of the disc key " \
  83            "will be faster with this method. It is the one that was used by " \
  84            "libcss.\n" \
  85     "The default method is: key.")
  86
  87 static const char *psz_css_list[] = { "title", "disc", "key" };
  88 static const char *psz_css_list_text[] = { N_("title"), N_("Disc"), N_("Key") };
  89
  90 static int  Open ( vlc_object_t * );
  91 static void Close( vlc_object_t * );
  92
  93 vlc_module_begin();
  94     set_shortname( _("DVD without menus") );
  95     set_description( _("DVDRead Input (DVD without menu support)") );
  96     set_category( CAT_INPUT );
  97     set_subcategory( SUBCAT_INPUT_ACCESS );
  98     add_integer( "dvdread-angle", 1, NULL, ANGLE_TEXT,
  99         ANGLE_LONGTEXT, false );
 100     add_integer( "dvdread-caching", DEFAULT_PTS_DELAY / 1000, NULL,
 101         CACHING_TEXT, CACHING_LONGTEXT, true );
 102     add_string( "dvdread-css-method", NULL, NULL, CSSMETHOD_TEXT,
 103                 CSSMETHOD_LONGTEXT, true );
 104         change_string_list( psz_css_list, psz_css_list_text, 0 );
 105     set_capability( "access_demux", 0 );
 106     add_shortcut( "dvd" );
 107     add_shortcut( "dvdread" );
 108     add_shortcut( "dvdsimple" );
 109     set_callbacks( Open, Close );
 110 vlc_module_end();
 111
 112 /* how many blocks DVDRead will read in each loop */
 113 #define DVD_BLOCK_READ_ONCE 4
 114
 115 /*****************************************************************************
 116  * Local prototypes
 117  *****************************************************************************/
 118
 119 struct demux_sys_t
 120 {
 121     /* DVDRead state */
 122     dvd_reader_t *p_dvdread;
 123     dvd_file_t   *p_title;
 124
 125     ifo_handle_t *p_vmg_file;
 126     ifo_handle_t *p_vts_file;
 127
 128     int i_title;
 129     int i_chapter, i_chapters;
 130     int i_angle, i_angles;
 131
 132     tt_srpt_t    *p_tt_srpt;
 133     pgc_t        *p_cur_pgc;
 134     dsi_t        dsi_pack;
 135     int          i_ttn;
 136
 137     int i_pack_len;
 138     int i_cur_block;
 139     int i_next_vobu;
 140
 141     int i_mux_rate;
 142
 143     /* Current title start/end blocks */
 144     int i_title_start_block;
 145     int i_title_end_block;
 146     int i_title_blocks;
 147     int i_title_offset;
 148     mtime_t i_title_cur_time;
 149
 150     int i_title_start_cell;
 151     int i_title_end_cell;
 152     int i_cur_cell;
 153     int i_next_cell;
 154     mtime_t i_cell_cur_time;
 155     mtime_t i_cell_duration;
 156
 157     /* Track */
 158     ps_track_t    tk[PS_TK_COUNT];
 159
 160     int           i_titles;
 161     input_title_t **titles;
 162
 163     /* Video */
 164     int i_aspect;
 165
 166     /* SPU */
 167     uint32_t clut[16];
 168 };
 169
 170 static int Control   ( demux_t *, int, va_list );
 171 static int Demux     ( demux_t * );
 172 static int DemuxBlock( demux_t *, uint8_t *, int );
 173
 174 static void DemuxTitles( demux_t *, int * );
 175 static void ESNew( demux_t *, int, int );
 176
 177 static int  DvdReadSetArea  ( demux_t *, int, int, int );
 178 static void DvdReadSeek     ( demux_t *, int );
 179 static void DvdReadHandleDSI( demux_t *, uint8_t * );
 180 static void DvdReadFindCell ( demux_t * );
 181
 182 /*****************************************************************************
 183  * Open:
 184  *****************************************************************************/
 185 static int Open( vlc_object_t *p_this )
 186 {
 187     demux_t      *p_demux = (demux_t*)p_this;
 188     demux_sys_t  *p_sys;
 189     char         *psz_name;
 190     char         *psz_dvdcss_env;
 191     dvd_reader_t *p_dvdread;
 192     ifo_handle_t *p_vmg_file;
 193     vlc_value_t  val;
 194
 195     if( !p_demux->psz_path || !*p_demux->psz_path )
 196     {
 197         /* Only when selected */
 198         if( !p_this->b_force ) return VLC_EGENERIC;
 199
 200         psz_name = var_CreateGetString( p_this, "dvd" );
 201         if( !psz_name )
 202         {
 203             psz_name = strdup("");
 204         }
 205     }
 206     else
 207         psz_name = ToLocaleDup( p_demux->psz_path );
 208
 209 #ifdef WIN32
 210     if( psz_name[0] && psz_name[1] == ':' &&
 211         psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
 212 #endif
 213
 214     /* Override environment variable DVDCSS_METHOD with config option
 215      * (FIXME: this creates a small memory leak) */
 216     psz_dvdcss_env = config_GetPsz( p_demux, "dvdread-css-method" );
 217     if( psz_dvdcss_env && *psz_dvdcss_env )
 218     {
 219         char *psz_env;
 220
 221         psz_env = malloc( strlen("DVDCSS_METHOD=") +
 222                           strlen( psz_dvdcss_env ) + 1 );
 223         if( !psz_env )
 224         {
 225             free( psz_dvdcss_env );
 226             return VLC_ENOMEM;
 227         }
 228
 229         sprintf( psz_env, "%s%s", "DVDCSS_METHOD=", psz_dvdcss_env );
 230
 231         putenv( psz_env );
 232     }
 233     free( psz_dvdcss_env );
 234
 235     /* Open dvdread */
 236     if( !(p_dvdread = DVDOpen( psz_name )) )
 237     {
 238         msg_Err( p_demux, "DVDRead cannot open source: %s", psz_name );
 239         intf_UserFatal( p_demux, false, _("Playback failure"),
 240                         _("DVDRead could not open the disk \"%s\"."), psz_name );
 241         free( psz_name );
 242         return VLC_EGENERIC;
 243     }
 244     free( psz_name );
 245
 246     /* Ifo allocation & initialisation */
 247     if( !( p_vmg_file = ifoOpen( p_dvdread, 0 ) ) )
 248     {
 249         msg_Warn( p_demux, "cannot open VMG info" );
 250         return VLC_EGENERIC;
 251     }
 252     msg_Dbg( p_demux, "VMG opened" );
 253
 254     /* Fill p_demux field */
 255     DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
 256
 257     ps_track_init( p_sys->tk );
 258     p_sys->i_aspect = -1;
 259     p_sys->i_title_cur_time = (mtime_t) 0;
 260     p_sys->i_cell_cur_time = (mtime_t) 0;
 261     p_sys->i_cell_duration = (mtime_t) 0;
 262
 263     p_sys->p_dvdread = p_dvdread;
 264     p_sys->p_vmg_file = p_vmg_file;
 265     p_sys->p_title = NULL;
 266     p_sys->p_vts_file = NULL;
 267
 268     p_sys->i_title = p_sys->i_chapter = -1;
 269     p_sys->i_mux_rate = 0;
 270
 271     var_Create( p_demux, "dvdread-angle", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 272     var_Get( p_demux, "dvdread-angle", &val );
 273     p_sys->i_angle = val.i_int > 0 ? val.i_int : 1;
 274
 275     DemuxTitles( p_demux, &p_sys->i_angle );
 276     if( DvdReadSetArea( p_demux, 0, 0, p_sys->i_angle ) != VLC_SUCCESS )
 277     {
 278         Close( p_this );
 279         msg_Err( p_demux, "DvdReadSetArea(0,0,%i) failed (can't decrypt DVD?)",
 280                  p_sys->i_angle );
 281         return VLC_EGENERIC;
 282     }
 283
 284     /* Update default_pts to a suitable value for dvdread access */
 285     var_Create( p_demux, "dvdread-caching",
 286                 VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 287
 288     return VLC_SUCCESS;
 289 }
 290
 291 /*****************************************************************************
 292  * Close:
 293  *****************************************************************************/
 294 static void Close( vlc_object_t *p_this )
 295 {
 296     demux_t     *p_demux = (demux_t*)p_this;
 297     demux_sys_t *p_sys = p_demux->p_sys;
 298     int i;
 299
 300     for( i = 0; i < PS_TK_COUNT; i++ )
 301     {
 302         ps_track_t *tk = &p_sys->tk[i];
 303         if( tk->b_seen )
 304         {
 305             es_format_Clean( &tk->fmt );
 306             if( tk->es ) es_out_Del( p_demux->out, tk->es );
 307         }
 308     }
 309
 310     /* Close libdvdread */
 311     if( p_sys->p_title ) DVDCloseFile( p_sys->p_title );
 312     if( p_sys->p_vts_file ) ifoClose( p_sys->p_vts_file );
 313     if( p_sys->p_vmg_file ) ifoClose( p_sys->p_vmg_file );
 314     DVDClose( p_sys->p_dvdread );
 315
 316     free( p_sys );
 317 }
 318
 319 static int64_t dvdtime_to_time( dvd_time_t *dtime, uint8_t still_time )
 320 {
 321 /* Macro to convert Binary Coded Decimal to Decimal */
 322 #define BCD2D(__x__) (((__x__ & 0xf0) >> 4) * 10 + (__x__ & 0x0f))
 323
 324     double f_fps, f_ms;
 325     int64_t i_micro_second = 0;
 326
 327     if (still_time == 0 || still_time == 0xFF)
 328     {
 329         i_micro_second += (int64_t)(BCD2D(dtime->hour)) * 60 * 60 * 1000000;
 330         i_micro_second += (int64_t)(BCD2D(dtime->minute)) * 60 * 1000000;
 331         i_micro_second += (int64_t)(BCD2D(dtime->second)) * 1000000;
 332
 333         switch((dtime->frame_u & 0xc0) >> 6)
 334         {
 335         case 1:
 336             f_fps = 25.0;
 337             break;
 338         case 3:
 339             f_fps = 29.97;
 340             break;
 341         default:
 342             f_fps = 2500.0;
 343             break;
 344         }
 345         f_ms = BCD2D(dtime->frame_u&0x3f) * 1000.0 / f_fps;
 346         i_micro_second += (int64_t)(f_ms * 1000.0);
 347     }
 348     else
 349     {
 350         i_micro_second = still_time;
 351         i_micro_second = (int64_t)((double)i_micro_second * 1000000.0);
 352     }
 353
 354     return i_micro_second;
 355 }
 356
 357 /*****************************************************************************
 358  * Control:
 359  *****************************************************************************/
 360 static int Control( demux_t *p_demux, int i_query, va_list args )
 361 {
 362     demux_sys_t *p_sys = p_demux->p_sys;
 363     double f, *pf;
 364     bool *pb;
 365     int64_t *pi64;
 366     input_title_t ***ppp_title;
 367     int *pi_int;
 368     int i;
 369
 370     switch( i_query )
 371     {
 372         case DEMUX_GET_POSITION:
 373         {
 374             pf = (double*) va_arg( args, double* );
 375
 376             if( p_sys->i_title_blocks > 0 )
 377                 *pf = (double)p_sys->i_title_offset / p_sys->i_title_blocks;
 378             else
 379                 *pf = 0.0;
 380
 381             return VLC_SUCCESS;
 382         }
 383         case DEMUX_SET_POSITION:
 384         {
 385             f = (double)va_arg( args, double );
 386
 387             DvdReadSeek( p_demux, f * p_sys->i_title_blocks );
 388
 389             return VLC_SUCCESS;
 390         }
 391         case DEMUX_GET_TIME:
 392             pi64 = (int64_t*)va_arg( args, int64_t * );
 393             if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
 394             {
 395                 *pi64 = (int64_t) dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 ) /
 396                         p_sys->i_title_blocks * p_sys->i_title_offset;
 397                 return VLC_SUCCESS;
 398             }
 399             *pi64 = 0;
 400             return VLC_EGENERIC;
 401
 402         case DEMUX_GET_LENGTH:
 403             pi64 = (int64_t*)va_arg( args, int64_t * );
 404             if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
 405             {
 406                 *pi64 = (int64_t)dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 );
 407                 return VLC_SUCCESS;
 408             }
 409             *pi64 = 0;
 410             return VLC_EGENERIC;
 411
 412         /* Special for access_demux */
 413         case DEMUX_CAN_PAUSE:
 414         case DEMUX_CAN_SEEK:
 415         case DEMUX_CAN_CONTROL_PACE:
 416             /* TODO */
 417             pb = (bool*)va_arg( args, bool * );
 418             *pb = true;
 419             return VLC_SUCCESS;
 420
 421         case DEMUX_SET_PAUSE_STATE:
 422             return VLC_SUCCESS;
 423
 424         case DEMUX_GET_TITLE_INFO:
 425             ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
 426             pi_int    = (int*)va_arg( args, int* );
 427             *((int*)va_arg( args, int* )) = 1; /* Title offset */
 428             *((int*)va_arg( args, int* )) = 1; /* Chapter offset */
 429
 430             /* Duplicate title infos */
 431             *pi_int = p_sys->i_titles;
 432             *ppp_title = malloc( sizeof(input_title_t **) * p_sys->i_titles );
 433             for( i = 0; i < p_sys->i_titles; i++ )
 434             {
 435                 (*ppp_title)[i] = vlc_input_title_Duplicate(p_sys->titles[i]);
 436             }
 437             return VLC_SUCCESS;
 438
 439         case DEMUX_SET_TITLE:
 440             i = (int)va_arg( args, int );
 441             if( DvdReadSetArea( p_demux, i, 0, -1 ) != VLC_SUCCESS )
 442             {
 443                 msg_Warn( p_demux, "cannot set title/chapter" );
 444                 return VLC_EGENERIC;
 445             }
 446             p_demux->info.i_update |=
 447                 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
 448             p_demux->info.i_title = i;
 449             p_demux->info.i_seekpoint = 0;
 450             return VLC_SUCCESS;
 451
 452         case DEMUX_SET_SEEKPOINT:
 453             i = (int)va_arg( args, int );
 454             if( DvdReadSetArea( p_demux, -1, i, -1 ) != VLC_SUCCESS )
 455             {
 456                 msg_Warn( p_demux, "cannot set title/chapter" );
 457                 return VLC_EGENERIC;
 458             }
 459             p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
 460             p_demux->info.i_seekpoint = i;
 461             return VLC_SUCCESS;
 462
 463         case DEMUX_GET_PTS_DELAY:
 464             pi64 = (int64_t*)va_arg( args, int64_t * );
 465             *pi64 = (int64_t)var_GetInteger( p_demux, "dvdread-caching" )*1000;
 466             return VLC_SUCCESS;
 467
 468         /* TODO implement others */
 469         default:
 470             return VLC_EGENERIC;
 471     }
 472 }
 473
 474 /*****************************************************************************
 475  * Demux:
 476  *****************************************************************************/
 477 static int Demux( demux_t *p_demux )
 478 {
 479     demux_sys_t *p_sys = p_demux->p_sys;
 480
 481     uint8_t p_buffer[DVD_VIDEO_LB_LEN * DVD_BLOCK_READ_ONCE];
 482     int i_blocks_once, i_read;
 483     int i;
 484
 485     /*
 486      * Playback by cell in this pgc, starting at the cell for our chapter.
 487      */
 488
 489     /*
 490      * Check end of pack, and select the following one
 491      */
 492     if( !p_sys->i_pack_len )
 493     {
 494         /* Read NAV packet */
 495         if( DVDReadBlocks( p_sys->p_title, p_sys->i_next_vobu,
 496                            1, p_buffer ) != 1 )
 497         {
 498             msg_Err( p_demux, "read failed for block %d", p_sys->i_next_vobu );
 499             intf_UserWarn( p_demux, _("Playback failure"),
 500                             _("DVDRead could not read block %d."),
 501                            p_sys->i_next_vobu );
 502             return -1;
 503         }
 504
 505         /* Basic check to be sure we don't have a empty title
 506          * go to next title if so */
 507         //assert( p_buffer[41] == 0xbf && p_buffer[1027] == 0xbf );
 508
 509         /* Parse the contained dsi packet */
 510         DvdReadHandleDSI( p_demux, p_buffer );
 511
 512         /* End of title */
 513         if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
 514         {
 515             if( p_sys->i_title + 1 >= p_sys->i_titles )
 516             {
 517                 return 0; /* EOF */
 518             }
 519
 520             DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
 521         }
 522
 523         if( p_sys->i_pack_len >= 1024 )
 524         {
 525             msg_Err( p_demux, "i_pack_len >= 1024 (%i). "
 526                      "This shouldn't happen!", p_sys->i_pack_len );
 527             return 0; /* EOF */
 528         }
 529
 530         /* FIXME: Ugly kludge: we send the pack block to the input for it
 531          * sometimes has a zero scr and restart the sync */
 532         p_sys->i_cur_block++;
 533         p_sys->i_title_offset++;
 534
 535         DemuxBlock( p_demux, p_buffer, DVD_VIDEO_LB_LEN );
 536     }
 537
 538     if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
 539     {
 540         if( p_sys->i_title + 1 >= p_sys->i_titles )
 541         {
 542             return 0; /* EOF */
 543         }
 544
 545         DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
 546     }
 547
 548     /*
 549      * Read actual data
 550      */
 551     i_blocks_once = __MIN( p_sys->i_pack_len, DVD_BLOCK_READ_ONCE );
 552     p_sys->i_pack_len -= i_blocks_once;
 553
 554     /* Reads from DVD */
 555     i_read = DVDReadBlocks( p_sys->p_title, p_sys->i_cur_block,
 556                             i_blocks_once, p_buffer );
 557     if( i_read != i_blocks_once )
 558     {
 559         msg_Err( p_demux, "read failed for %d/%d blocks at 0x%02x",
 560                  i_read, i_blocks_once, p_sys->i_cur_block );
 561         intf_UserFatal( p_demux, false, _("Playback failure"),
 562                         _("DVDRead could not read %d/%d blocks at 0x%02x."),
 563                         i_read, i_blocks_once, p_sys->i_cur_block );
 564         return -1;
 565     }
 566
 567     p_sys->i_cur_block += i_read;
 568     p_sys->i_title_offset += i_read;
 569
 570 #if 0
 571     msg_Dbg( p_demux, "i_blocks: %d len: %d current: 0x%02x",
 572              i_read, p_sys->i_pack_len, p_sys->i_cur_block );
 573 #endif
 574
 575     for( i = 0; i < i_read; i++ )
 576     {
 577         DemuxBlock( p_demux, p_buffer + i * DVD_VIDEO_LB_LEN,
 578                     DVD_VIDEO_LB_LEN );
 579     }
 580
 581 #undef p_pgc
 582
 583     return 1;
 584 }
 585
 586 /*****************************************************************************
 587  * DemuxBlock: demux a given block
 588  *****************************************************************************/
 589 static int DemuxBlock( demux_t *p_demux, uint8_t *pkt, int i_pkt )
 590 {
 591     demux_sys_t *p_sys = p_demux->p_sys;
 592     uint8_t     *p = pkt;
 593
 594     while( p < &pkt[i_pkt] )
 595     {
 596         int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
 597         block_t *p_pkt;
 598         if( i_size <= 0 )
 599         {
 600             break;
 601         }
 602
 603         /* Create a block */
 604         p_pkt = block_New( p_demux, i_size );
 605         memcpy( p_pkt->p_buffer, p, i_size);
 606
 607         /* Parse it and send it */
 608         switch( 0x100 | p[3] )
 609         {
 610         case 0x1b9:
 611         case 0x1bb:
 612         case 0x1bc:
 613
 614 #ifdef DVDREAD_DEBUG
 615             if( p[3] == 0xbc )
 616             {
 617                 msg_Warn( p_demux, "received a PSM packet" );
 618             }
 619             else if( p[3] == 0xbb )
 620             {
 621                 msg_Warn( p_demux, "received a SYSTEM packet" );
 622             }
 623 #endif
 624             block_Release( p_pkt );
 625             break;
 626
 627         case 0x1ba:
 628         {
 629             int64_t i_scr;
 630             int i_mux_rate;
 631             if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
 632             {
 633                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
 634                 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
 635             }
 636             block_Release( p_pkt );
 637             break;
 638         }
 639         default:
 640         {
 641             int i_id = ps_pkt_id( p_pkt );
 642             if( i_id >= 0xc0 )
 643             {
 644                 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
 645
 646                 if( !tk->b_seen )
 647                 {
 648                     ESNew( p_demux, i_id, 0 );
 649                 }
 650                 if( tk->b_seen && tk->es &&
 651                     !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
 652                 {
 653                     es_out_Send( p_demux->out, tk->es, p_pkt );
 654                 }
 655                 else
 656                 {
 657                     block_Release( p_pkt );
 658                 }
 659             }
 660             else
 661             {
 662                 block_Release( p_pkt );
 663             }
 664             break;
 665         }
 666         }
 667
 668         p += i_size;
 669     }
 670
 671     return VLC_SUCCESS;
 672 }
 673
 674 /*****************************************************************************
 675  * ESNew: register a new elementary stream
 676  *****************************************************************************/
 677 static void ESNew( demux_t *p_demux, int i_id, int i_lang )
 678 {
 679     demux_sys_t *p_sys = p_demux->p_sys;
 680     ps_track_t  *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
 681     char psz_language[3];
 682
 683     if( tk->b_seen ) return;
 684
 685     if( ps_track_fill( tk, 0, i_id ) )
 686     {
 687         msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
 688         return;
 689     }
 690
 691     psz_language[0] = psz_language[1] = psz_language[2] = 0;
 692     if( i_lang && i_lang != 0xffff )
 693     {
 694         psz_language[0] = (i_lang >> 8)&0xff;
 695         psz_language[1] = (i_lang     )&0xff;
 696     }
 697
 698     /* Add a new ES */
 699     if( tk->fmt.i_cat == VIDEO_ES )
 700     {
 701         if( p_sys->i_aspect >= 0 )
 702         {
 703             tk->fmt.video.i_aspect = p_sys->i_aspect;
 704         }
 705     }
 706     else if( tk->fmt.i_cat == AUDIO_ES )
 707     {
 708         int i_audio = -1;
 709         /* find the audio number PLEASE find another way */
 710         if( (i_id&0xbdf8) == 0xbd88 )       /* dts */
 711         {
 712             i_audio = i_id&0x07;
 713         }
 714         else if( (i_id&0xbdf0) == 0xbd80 )  /* a52 */
 715         {
 716             i_audio = i_id&0xf;
 717         }
 718         else if( (i_id&0xbdf0) == 0xbda0 )  /* lpcm */
 719         {
 720             i_audio = i_id&0x1f;
 721         }
 722         else if( ( i_id&0xe0 ) == 0xc0 )    /* mpga */
 723         {
 724             i_audio = i_id&0x1f;
 725         }
 726
 727         if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
 728     }
 729     else if( tk->fmt.i_cat == SPU_ES )
 730     {
 731         /* Palette */
 732         tk->fmt.subs.spu.palette[0] = 0xBeef;
 733         memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
 734                 16 * sizeof( uint32_t ) );
 735
 736         if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
 737     }
 738
 739     tk->es = es_out_Add( p_demux->out, &tk->fmt );
 740     tk->b_seen = true;
 741 }
 742
 743 /*****************************************************************************
 744  * DvdReadSetArea: initialize input data for title x, chapter y.
 745  * It should be called for each user navigation request.
 746  *****************************************************************************
 747  * Take care that i_title and i_chapter start from 0.
 748  *****************************************************************************/
 749 static int DvdReadSetArea( demux_t *p_demux, int i_title, int i_chapter,
 750                            int i_angle )
 751 {
 752     demux_sys_t *p_sys = p_demux->p_sys;
 753     int pgc_id = 0, pgn = 0;
 754     int i;
 755
 756 #define p_pgc p_sys->p_cur_pgc
 757 #define p_vmg p_sys->p_vmg_file
 758 #define p_vts p_sys->p_vts_file
 759
 760     if( i_title >= 0 && i_title < p_sys->i_titles &&
 761         i_title != p_sys->i_title )
 762     {
 763         int i_start_cell, i_end_cell;
 764
 765         if( p_sys->p_title != NULL ) DVDCloseFile( p_sys->p_title );
 766         if( p_vts != NULL ) ifoClose( p_vts );
 767         p_sys->i_title = i_title;
 768
 769         /*
 770          *  We have to load all title information
 771          */
 772         msg_Dbg( p_demux, "open VTS %d, for title %d",
 773                  p_vmg->tt_srpt->title[i_title].title_set_nr, i_title + 1 );
 774
 775         /* Ifo vts */
 776         if( !( p_vts = ifoOpen( p_sys->p_dvdread,
 777                p_vmg->tt_srpt->title[i_title].title_set_nr ) ) )
 778         {
 779             msg_Err( p_demux, "fatal error in vts ifo" );
 780             return VLC_EGENERIC;
 781         }
 782
 783         /* Title position inside the selected vts */
 784         p_sys->i_ttn = p_vmg->tt_srpt->title[i_title].vts_ttn;
 785
 786         /* Find title start/end */
 787         pgc_id = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgcn;
 788         pgn = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgn;
 789         p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
 790
 791         p_sys->i_title_start_cell =
 792             i_start_cell = p_pgc->program_map[pgn - 1] - 1;
 793         p_sys->i_title_start_block =
 794             p_pgc->cell_playback[i_start_cell].first_sector;
 795
 796         p_sys->i_title_end_cell =
 797             i_end_cell = p_pgc->nr_of_cells - 1;
 798         p_sys->i_title_end_block =
 799             p_pgc->cell_playback[i_end_cell].last_sector;
 800
 801         p_sys->i_title_offset = 0;
 802
 803         p_sys->i_title_blocks = 0;
 804         for( i = i_start_cell; i <= i_end_cell; i++ )
 805         {
 806             p_sys->i_title_blocks += p_pgc->cell_playback[i].last_sector -
 807                 p_pgc->cell_playback[i].first_sector + 1;
 808         }
 809
 810         msg_Dbg( p_demux, "title %d vts_title %d pgc %d pgn %d "
 811                  "start %d end %d blocks: %d",
 812                  i_title + 1, p_sys->i_ttn, pgc_id, pgn,
 813                  p_sys->i_title_start_block, p_sys->i_title_end_block,
 814                  p_sys->i_title_blocks );
 815
 816         /*
 817          * Set properties for current chapter
 818          */
 819         p_sys->i_chapter = 0;
 820         p_sys->i_chapters =
 821             p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].nr_of_ptts;
 822
 823         pgc_id = p_vts->vts_ptt_srpt->title[
 824                     p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgcn;
 825         pgn = p_vts->vts_ptt_srpt->title[
 826                     p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgn;
 827
 828         p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
 829         p_sys->i_pack_len = 0;
 830         p_sys->i_next_cell =
 831             p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
 832         DvdReadFindCell( p_demux );
 833
 834         p_sys->i_next_vobu = p_sys->i_cur_block =
 835             p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
 836
 837         /*
 838          * Angle management
 839          */
 840         p_sys->i_angles = p_vmg->tt_srpt->title[i_title].nr_of_angles;
 841         if( p_sys->i_angle > p_sys->i_angles ) p_sys->i_angle = 1;
 842
 843         /*
 844          * We've got enough info, time to open the title set data.
 845          */
 846         if( !( p_sys->p_title = DVDOpenFile( p_sys->p_dvdread,
 847             p_vmg->tt_srpt->title[i_title].title_set_nr,
 848             DVD_READ_TITLE_VOBS ) ) )
 849         {
 850             msg_Err( p_demux, "cannot open title (VTS_%02d_1.VOB)",
 851                      p_vmg->tt_srpt->title[i_title].title_set_nr );
 852             return VLC_EGENERIC;
 853         }
 854
 855         //IfoPrintTitle( p_demux );
 856
 857         /*
 858          * Destroy obsolete ES by reinitializing program 0
 859          * and find all ES in title with ifo data
 860          */
 861         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 862
 863         for( i = 0; i < PS_TK_COUNT; i++ )
 864         {
 865             ps_track_t *tk = &p_sys->tk[i];
 866             if( tk->b_seen )
 867             {
 868                 es_format_Clean( &tk->fmt );
 869                 if( tk->es ) es_out_Del( p_demux->out, tk->es );
 870             }
 871             tk->b_seen = false;
 872         }
 873
 874         if( p_demux->info.i_title != i_title )
 875         {
 876             p_demux->info.i_update |=
 877                 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
 878             p_demux->info.i_title = i_title;
 879             p_demux->info.i_seekpoint = 0;
 880         }
 881
 882         /* TODO: re-add angles */
 883
 884
 885         ESNew( p_demux, 0xe0, 0 ); /* Video, FIXME ? */
 886         p_sys->i_aspect = p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio;
 887
 888 #define audio_control \
 889     p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->audio_control[i-1]
 890
 891         /* Audio ES, in the order they appear in the .ifo */
 892         for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_audio_streams; i++ )
 893         {
 894             int i_position = 0;
 895             uint16_t i_id;
 896
 897             //IfoPrintAudio( p_demux, i );
 898
 899             /* Audio channel is active if first byte is 0x80 */
 900             if( audio_control & 0x8000 )
 901             {
 902                 i_position = ( audio_control & 0x7F00 ) >> 8;
 903
 904                 msg_Dbg( p_demux, "audio position  %d", i_position );
 905                 switch( p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format )
 906                 {
 907                 case 0x00: /* A52 */
 908                     i_id = (0x80 + i_position) | 0xbd00;
 909                     break;
 910                 case 0x02:
 911                 case 0x03: /* MPEG audio */
 912                     i_id = 0xc000 + i_position;
 913                     break;
 914                 case 0x04: /* LPCM */
 915                     i_id = (0xa0 + i_position) | 0xbd00;
 916                     break;
 917                 case 0x06: /* DTS */
 918                     i_id = (0x88 + i_position) | 0xbd00;
 919                     break;
 920                 default:
 921                     i_id = 0;
 922                     msg_Err( p_demux, "unknown audio type %.2x",
 923                         p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format );
 924                 }
 925
 926                 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
 927                        vts_audio_attr[i - 1].lang_code );
 928             }
 929         }
 930 #undef audio_control
 931
 932 #define spu_palette \
 933     p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->palette
 934
 935         memcpy( p_sys->clut, spu_palette, 16 * sizeof( uint32_t ) );
 936
 937 #define spu_control \
 938     p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->subp_control[i-1]
 939
 940         /* Sub Picture ES */
 941         for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_subp_streams; i++ )
 942         {
 943             int i_position = 0;
 944             uint16_t i_id;
 945
 946             //IfoPrintSpu( p_sys, i );
 947             msg_Dbg( p_demux, "spu %d 0x%02x", i, spu_control );
 948
 949             if( spu_control & 0x80000000 )
 950             {
 951                 /*  there are several streams for one spu */
 952                 if( p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio )
 953                 {
 954                     /* 16:9 */
 955                     switch( p_vts->vtsi_mat->vts_video_attr.permitted_df )
 956                     {
 957                     case 1: /* letterbox */
 958                         i_position = spu_control & 0xff;
 959                         break;
 960                     case 2: /* pan&scan */
 961                         i_position = ( spu_control >> 8 ) & 0xff;
 962                         break;
 963                     default: /* widescreen */
 964                         i_position = ( spu_control >> 16 ) & 0xff;
 965                         break;
 966                     }
 967                 }
 968                 else
 969                 {
 970                     /* 4:3 */
 971                     i_position = ( spu_control >> 24 ) & 0x7F;
 972                 }
 973
 974                 i_id = (0x20 + i_position) | 0xbd00;
 975
 976                 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
 977                        vts_subp_attr[i - 1].lang_code );
 978             }
 979         }
 980 #undef spu_control
 981
 982     }
 983     else if( i_title != -1 && i_title != p_sys->i_title )
 984
 985     {
 986         return VLC_EGENERIC; /* Couldn't set title */
 987     }
 988
 989     /*
 990      * Chapter selection
 991      */
 992
 993     if( i_chapter >= 0 && i_chapter < p_sys->i_chapters )
 994     {
 995         pgc_id = p_vts->vts_ptt_srpt->title[
 996                      p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
 997         pgn = p_vts->vts_ptt_srpt->title[
 998                   p_sys->i_ttn - 1].ptt[i_chapter].pgn;
 999
1000         p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1001
1002         p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
1003         p_sys->i_chapter = i_chapter;
1004         DvdReadFindCell( p_demux );
1005
1006         p_sys->i_title_offset = 0;
1007         for( i = p_sys->i_title_start_cell; i < p_sys->i_cur_cell; i++ )
1008         {
1009             p_sys->i_title_offset += p_pgc->cell_playback[i].last_sector -
1010                 p_pgc->cell_playback[i].first_sector + 1;
1011         }
1012
1013         p_sys->i_pack_len = 0;
1014         p_sys->i_next_vobu = p_sys->i_cur_block =
1015             p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1016
1017         if( p_demux->info.i_seekpoint != i_chapter )
1018         {
1019             p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1020             p_demux->info.i_seekpoint = i_chapter;
1021         }
1022     }
1023     else if( i_chapter != -1 )
1024
1025     {
1026         return VLC_EGENERIC; /* Couldn't set chapter */
1027     }
1028
1029 #undef p_pgc
1030 #undef p_vts
1031 #undef p_vmg
1032
1033     return VLC_SUCCESS;
1034 }
1035
1036 /*****************************************************************************
1037  * DvdReadSeek : Goes to a given position on the stream.
1038  *****************************************************************************
1039  * This one is used by the input and translate chronological position from
1040  * input to logical position on the device.
1041  *****************************************************************************/
1042 static void DvdReadSeek( demux_t *p_demux, int i_block_offset )
1043 {
1044     demux_sys_t *p_sys = p_demux->p_sys;
1045     int i_chapter = 0;
1046     int i_cell = 0;
1047     int i_vobu = 0;
1048     int i_sub_cell = 0;
1049     int i_block;
1050
1051 #define p_pgc p_sys->p_cur_pgc
1052 #define p_vts p_sys->p_vts_file
1053
1054     /* Find cell */
1055     i_block = i_block_offset;
1056     for( i_cell = p_sys->i_title_start_cell;
1057          i_cell <= p_sys->i_title_end_cell; i_cell++ )
1058     {
1059         if( i_block < (int)p_pgc->cell_playback[i_cell].last_sector -
1060             (int)p_pgc->cell_playback[i_cell].first_sector + 1 ) break;
1061
1062         i_block -= (p_pgc->cell_playback[i_cell].last_sector -
1063             p_pgc->cell_playback[i_cell].first_sector + 1);
1064     }
1065     if( i_cell > p_sys->i_title_end_cell )
1066     {
1067         msg_Err( p_demux, "couldn't find cell for block %i", i_block_offset );
1068         return;
1069     }
1070     i_block += p_pgc->cell_playback[i_cell].first_sector;
1071     p_sys->i_title_offset = i_block_offset;
1072
1073     /* Find chapter */
1074     for( i_chapter = 0; i_chapter < p_sys->i_chapters; i_chapter++ )
1075     {
1076         int pgc_id, pgn, i_tmp;
1077
1078         pgc_id = p_vts->vts_ptt_srpt->title[
1079                     p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
1080         pgn = p_vts->vts_ptt_srpt->title[
1081                     p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1082
1083         i_tmp = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc->program_map[pgn-1];
1084
1085         if( i_tmp > i_cell ) break;
1086     }
1087
1088     if( i_chapter < p_sys->i_chapters &&
1089         p_demux->info.i_seekpoint != i_chapter )
1090     {
1091         p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1092         p_demux->info.i_seekpoint = i_chapter;
1093     }
1094
1095     /* Find vobu */
1096     while( (int)p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu] <= i_block )
1097     {
1098         i_vobu++;
1099     }
1100
1101     /* Find sub_cell */
1102     while( p_vts->vts_c_adt->cell_adr_table[i_sub_cell].start_sector <
1103            p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu-1] )
1104     {
1105         i_sub_cell++;
1106     }
1107
1108 #if 1
1109     msg_Dbg( p_demux, "cell %d i_sub_cell %d chapter %d vobu %d "
1110              "cell_sector %d vobu_sector %d sub_cell_sector %d",
1111              i_cell, i_sub_cell, i_chapter, i_vobu,
1112              p_sys->p_cur_pgc->cell_playback[i_cell].first_sector,
1113              p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu],
1114              p_vts->vts_c_adt->cell_adr_table[i_sub_cell - 1].start_sector);
1115 #endif
1116
1117     p_sys->i_cur_block = i_block;
1118     p_sys->i_next_vobu = p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu];
1119     p_sys->i_pack_len = p_sys->i_next_vobu - i_block;
1120     p_sys->i_cur_cell = i_cell;
1121     p_sys->i_chapter = i_chapter;
1122     DvdReadFindCell( p_demux );
1123
1124 #undef p_vts
1125 #undef p_pgc
1126
1127     return;
1128 }
1129
1130 /*****************************************************************************
1131  * DvdReadHandleDSI
1132  *****************************************************************************/
1133 static void DvdReadHandleDSI( demux_t *p_demux, uint8_t *p_data )
1134 {
1135     demux_sys_t *p_sys = p_demux->p_sys;
1136
1137     navRead_DSI( &p_sys->dsi_pack, &p_data[DSI_START_BYTE] );
1138
1139     /*
1140      * Determine where we go next.  These values are the ones we mostly
1141      * care about.
1142      */
1143     p_sys->i_cur_block = p_sys->dsi_pack.dsi_gi.nv_pck_lbn;
1144     p_sys->i_pack_len = p_sys->dsi_pack.dsi_gi.vobu_ea;
1145
1146     /*
1147      * Store the timecodes so we can get the current time
1148      */
1149     p_sys->i_title_cur_time = (mtime_t) (p_sys->dsi_pack.dsi_gi.nv_pck_scr / 90 * 1000);
1150     p_sys->i_cell_cur_time = (mtime_t) dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 );
1151
1152     /*
1153      * If we're not at the end of this cell, we can determine the next
1154      * VOBU to display using the VOBU_SRI information section of the
1155      * DSI.  Using this value correctly follows the current angle,
1156      * avoiding the doubled scenes in The Matrix, and makes our life
1157      * really happy.
1158      */
1159
1160     p_sys->i_next_vobu = p_sys->i_cur_block +
1161         ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1162
1163     if( p_sys->dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL
1164         && p_sys->i_angle > 1 )
1165     {
1166         switch( ( p_sys->dsi_pack.sml_pbi.category & 0xf000 ) >> 12 )
1167         {
1168         case 0x4:
1169             /* Interleaved unit with no angle */
1170             if( p_sys->dsi_pack.sml_pbi.ilvu_sa != 0 )
1171             {
1172                 p_sys->i_next_vobu = p_sys->i_cur_block +
1173                     p_sys->dsi_pack.sml_pbi.ilvu_sa;
1174                 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1175             }
1176             else
1177             {
1178                 p_sys->i_next_vobu = p_sys->i_cur_block +
1179                     p_sys->dsi_pack.dsi_gi.vobu_ea + 1;
1180             }
1181             break;
1182         case 0x5:
1183             /* vobu is end of ilvu */
1184             if( p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address )
1185             {
1186                 p_sys->i_next_vobu = p_sys->i_cur_block +
1187                     p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address;
1188                 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1189
1190                 break;
1191             }
1192         case 0x6:
1193             /* vobu is beginning of ilvu */
1194         case 0x9:
1195             /* next scr is 0 */
1196         case 0xa:
1197             /* entering interleaved section */
1198         case 0x8:
1199             /* non interleaved cells in interleaved section */
1200         default:
1201             p_sys->i_next_vobu = p_sys->i_cur_block +
1202                 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1203             break;
1204         }
1205     }
1206     else if( p_sys->dsi_pack.vobu_sri.next_vobu == SRI_END_OF_CELL )
1207     {
1208         p_sys->i_cur_cell = p_sys->i_next_cell;
1209
1210         /* End of title */
1211         if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells ) return;
1212
1213         DvdReadFindCell( p_demux );
1214
1215         p_sys->i_next_vobu =
1216             p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1217
1218         p_sys->i_cell_duration = (mtime_t)dvdtime_to_time( &p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].playback_time, 0 );
1219     }
1220
1221
1222 #if 0
1223     msg_Dbg( p_demux, "scr %d lbn 0x%02x vobu_ea %d vob_id %d c_id %d c_time %lld",
1224              p_sys->dsi_pack.dsi_gi.nv_pck_scr,
1225              p_sys->dsi_pack.dsi_gi.nv_pck_lbn,
1226              p_sys->dsi_pack.dsi_gi.vobu_ea,
1227              p_sys->dsi_pack.dsi_gi.vobu_vob_idn,
1228              p_sys->dsi_pack.dsi_gi.vobu_c_idn,
1229              dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 ) );
1230
1231     msg_Dbg( p_demux, "cell duration: %lld",
1232              (mtime_t)dvdtime_to_time( &p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].playback_time, 0 ) );
1233
1234     msg_Dbg( p_demux, "cat 0x%02x ilvu_ea %d ilvu_sa %d size %d",
1235              p_sys->dsi_pack.sml_pbi.category,
1236              p_sys->dsi_pack.sml_pbi.ilvu_ea,
1237              p_sys->dsi_pack.sml_pbi.ilvu_sa,
1238              p_sys->dsi_pack.sml_pbi.size );
1239
1240     msg_Dbg( p_demux, "next_vobu %d next_ilvu1 %d next_ilvu2 %d",
1241              p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff,
1242              p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle - 1 ].address,
1243              p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle ].address);
1244 #endif
1245 }
1246
1247 /*****************************************************************************
1248  * DvdReadFindCell
1249  *****************************************************************************/
1250 static void DvdReadFindCell( demux_t *p_demux )
1251 {
1252     demux_sys_t *p_sys = p_demux->p_sys;
1253
1254     pgc_t *p_pgc;
1255     int   pgc_id, pgn;
1256     int   i = 0;
1257
1258 #define cell p_sys->p_cur_pgc->cell_playback
1259
1260     if( cell[p_sys->i_cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
1261     {
1262         p_sys->i_cur_cell += p_sys->i_angle - 1;
1263
1264         while( cell[p_sys->i_cur_cell+i].block_mode != BLOCK_MODE_LAST_CELL )
1265         {
1266             i++;
1267         }
1268         p_sys->i_next_cell = p_sys->i_cur_cell + i + 1;
1269     }
1270     else
1271     {
1272         p_sys->i_next_cell = p_sys->i_cur_cell + 1;
1273     }
1274
1275 #undef cell
1276
1277     if( p_sys->i_chapter + 1 >= p_sys->i_chapters ) return;
1278
1279     pgc_id = p_sys->p_vts_file->vts_ptt_srpt->title[
1280                 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgcn;
1281     pgn = p_sys->p_vts_file->vts_ptt_srpt->title[
1282               p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgn;
1283     p_pgc = p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1284
1285     if( p_sys->i_cur_cell >= p_pgc->program_map[pgn - 1] - 1 )
1286     {
1287         p_sys->i_chapter++;
1288
1289         if( p_sys->i_chapter < p_sys->i_chapters &&
1290             p_demux->info.i_seekpoint != p_sys->i_chapter )
1291         {
1292             p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1293             p_demux->info.i_seekpoint = p_sys->i_chapter;
1294         }
1295     }
1296 }
1297
1298 /*****************************************************************************
1299  * DemuxTitles: get the titles/chapters structure
1300  *****************************************************************************/
1301 static void DemuxTitles( demux_t *p_demux, int *pi_angle )
1302 {
1303     demux_sys_t *p_sys = p_demux->p_sys;
1304     input_title_t *t;
1305     seekpoint_t *s;
1306     int32_t i_titles;
1307     int i;
1308
1309     /* Find out number of titles/chapters */
1310 #define tt_srpt p_sys->p_vmg_file->tt_srpt
1311
1312     i_titles = tt_srpt->nr_of_srpts;
1313     msg_Dbg( p_demux, "number of titles: %d", i_titles );
1314
1315     for( i = 0; i < i_titles; i++ )
1316     {
1317         int32_t i_chapters = 0;
1318         int j;
1319
1320         i_chapters = tt_srpt->title[i].nr_of_ptts;
1321         msg_Dbg( p_demux, "title %d has %d chapters", i, i_chapters );
1322
1323         t = vlc_input_title_New();
1324
1325         for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
1326         {
1327             s = vlc_seekpoint_New();
1328             TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1329         }
1330
1331         TAB_APPEND( p_sys->i_titles, p_sys->titles, t );
1332     }
1333
1334 #undef tt_srpt
1335 }