stream/stream_dvd.c

   1 /*
   2  * This file is part of MPlayer.
   3  *
   4  * MPlayer is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * MPlayer is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #include <ctype.h>
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <string.h>
  23 #include <unistd.h>
  24 #include <string.h>
  25
  26 #include "config.h"
  27 #include "mp_msg.h"
  28 #include "help_mp.h"
  29
  30 #include <libgen.h>
  31 #include <errno.h>
  32
  33 #define FIRST_AC3_AID 128
  34 #define FIRST_DTS_AID 136
  35 #define FIRST_MPG_AID 0
  36 #define FIRST_PCM_AID 160
  37
  38 #include "stream.h"
  39 #include "m_option.h"
  40 #include "m_struct.h"
  41
  42 #include "stream_dvd.h"
  43 #include "stream_dvd_common.h"
  44 #include "libmpdemux/demuxer.h"
  45
  46 static char* dvd_device_current;
  47 int dvd_angle=1;
  48
  49 #define LIBDVDREAD_VERSION(maj,min,micro)       ((maj)*10000 + (min)*100 + (micro))
  50 /*
  51  * Try to autodetect the libdvd-0.9.0 library
  52  * (0.9.0 removed the <dvdread/dvd_udf.h> header, and moved the two defines
  53  * DVD_VIDEO_LB_LEN and MAX_UDF_FILE_NAME_LEN from it to
  54  * <dvdread/dvd_reader.h>)
  55  */
  56 #ifndef DVDREAD_VERSION
  57 #if defined(DVD_VIDEO_LB_LEN) && defined(MAX_UDF_FILE_NAME_LEN)
  58 #define DVDREAD_VERSION LIBDVDREAD_VERSION(0,9,0)
  59 #else
  60 #define DVDREAD_VERSION LIBDVDREAD_VERSION(0,8,0)
  61 #endif
  62 #endif
  63
  64
  65 static struct stream_priv_s {
  66   int title;
  67   char* device;
  68 } stream_priv_dflts = {
  69   1,
  70   NULL
  71 };
  72
  73 #define ST_OFF(f) M_ST_OFF(struct stream_priv_s,f)
  74 /// URL definition
  75 static const m_option_t stream_opts_fields[] = {
  76   { "hostname", ST_OFF(title),  CONF_TYPE_INT, M_OPT_RANGE, 1, 99, NULL},
  77   { "filename", ST_OFF(device), CONF_TYPE_STRING, 0, 0 ,0, NULL},
  78   { NULL, NULL, 0, 0, 0, 0,  NULL }
  79 };
  80 static const struct m_struct_st stream_opts = {
  81   "dvd",
  82   sizeof(struct stream_priv_s),
  83   &stream_priv_dflts,
  84   stream_opts_fields
  85 };
  86
  87 int dvd_parse_chapter_range(const m_option_t *conf, const char *range) {
  88   const char *s;
  89   char *t;
  90   if (!range)
  91     return M_OPT_MISSING_PARAM;
  92   s = range;
  93   dvd_chapter = 1;
  94   dvd_last_chapter = 0;
  95   if(*range && isdigit(*range)) {
  96     dvd_chapter = strtol(range, &s, 10);
  97     if(range == s) {
  98       mp_msg(MSGT_OPEN, MSGL_ERR, MSGTR_DVDinvalidChapterRange, range);
  99       return M_OPT_INVALID;
 100     }
 101   }
 102   if(*s == 0)
 103     return 0;
 104   else if(*s != '-') {
 105     mp_msg(MSGT_OPEN, MSGL_ERR, MSGTR_DVDinvalidChapterRange, range);
 106     return M_OPT_INVALID;
 107   }
 108   ++s;
 109   if(*s == 0)
 110       return 0;
 111   if(! isdigit(*s)) {
 112     mp_msg(MSGT_OPEN, MSGL_ERR, MSGTR_DVDinvalidChapterRange, range);
 113     return M_OPT_INVALID;
 114   }
 115   dvd_last_chapter = strtol(s, &t, 10);
 116   if (s == t || *t) {
 117     mp_msg(MSGT_OPEN, MSGL_ERR, MSGTR_DVDinvalidChapterRange, range);
 118     return M_OPT_INVALID;
 119   }
 120   return 0;
 121 }
 122
 123 int dvd_chapter_from_cell(dvd_priv_t* dvd,int title,int cell)
 124 {
 125   pgc_t * cur_pgc;
 126   ptt_info_t* ptt;
 127   int chapter = cell;
 128   int pgc_id,pgn;
 129   if(title < 0 || cell < 0){
 130     return 0;
 131   }
 132   /* for most DVD's chapter == cell */
 133   /* but there are more complecated cases... */
 134   if(chapter >= dvd->vmg_file->tt_srpt->title[title].nr_of_ptts) {
 135     chapter = dvd->vmg_file->tt_srpt->title[title].nr_of_ptts-1;
 136   }
 137   title = dvd->tt_srpt->title[title].vts_ttn-1;
 138   ptt = dvd->vts_file->vts_ptt_srpt->title[title].ptt;
 139   while(chapter >= 0) {
 140     pgc_id = ptt[chapter].pgcn;
 141     pgn = ptt[chapter].pgn;
 142     cur_pgc = dvd->vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc;
 143     if(cell >= cur_pgc->program_map[pgn-1]-1) {
 144       return chapter;
 145     }
 146     --chapter;
 147   }
 148   /* didn't find a chapter ??? */
 149   return chapter;
 150 }
 151
 152 int dvd_lang_from_aid(stream_t *stream, int id) {
 153   dvd_priv_t *d;
 154   int i;
 155   if (!stream) return 0;
 156   d = stream->priv;
 157   if (!d) return 0;
 158   for(i=0;i<d->nr_of_channels;i++) {
 159     if(d->audio_streams[i].id==id)
 160       return d->audio_streams[i].language;
 161   }
 162   return 0;
 163 }
 164
 165 int dvd_aid_from_lang(stream_t *stream, unsigned char* lang) {
 166   dvd_priv_t *d=stream->priv;
 167   int code,i;
 168   if(lang) {
 169     while(strlen(lang)>=2) {
 170       code=lang[1]|(lang[0]<<8);
 171       for(i=0;i<d->nr_of_channels;i++) {
 172         if(d->audio_streams[i].language==code) {
 173           mp_msg(MSGT_OPEN,MSGL_INFO,MSGTR_DVDaudioChannel,
 174           d->audio_streams[i].id, lang[0],lang[1]);
 175           return d->audio_streams[i].id;
 176         }
 177         //printf("%X != %X  (%c%c)\n",code,d->audio_streams[i].language,lang[0],lang[1]);
 178       }
 179       lang+=2; while (lang[0]==',' || lang[0]==' ') ++lang;
 180     }
 181     mp_msg(MSGT_OPEN,MSGL_WARN,MSGTR_DVDnoMatchingAudio);
 182   }
 183   return -1;
 184 }
 185
 186 int dvd_number_of_subs(stream_t *stream) {
 187   int i;
 188   int maxid = -1;
 189   dvd_priv_t *d;
 190   if (!stream) return -1;
 191   d = stream->priv;
 192   if (!d) return -1;
 193   for (i = 0; i < d->nr_of_subtitles; i++)
 194     if (d->subtitles[i].id > maxid) maxid = d->subtitles[i].id;
 195   return maxid + 1;
 196 }
 197
 198 int dvd_lang_from_sid(stream_t *stream, int id) {
 199   int i;
 200   dvd_priv_t *d;
 201   if (!stream) return 0;
 202   d = stream->priv;
 203   if (!d) return 0;
 204   for (i = 0; i < d->nr_of_subtitles; i++)
 205     if (d->subtitles[i].id == id && d->subtitles[i].language) return d->subtitles[i].language;
 206   return 0;
 207 }
 208
 209 int dvd_sid_from_lang(stream_t *stream, unsigned char* lang) {
 210   dvd_priv_t *d=stream->priv;
 211   int code,i;
 212   while(lang && strlen(lang)>=2) {
 213     code=lang[1]|(lang[0]<<8);
 214     for(i=0;i<d->nr_of_subtitles;i++) {
 215       if(d->subtitles[i].language==code) {
 216         mp_msg(MSGT_OPEN,MSGL_INFO,MSGTR_DVDsubtitleChannel, i, lang[0],lang[1]);
 217         return d->subtitles[i].id;
 218       }
 219     }
 220     lang+=2;
 221     while (lang[0]==',' || lang[0]==' ') ++lang;
 222   }
 223   mp_msg(MSGT_OPEN,MSGL_WARN,MSGTR_DVDnoMatchingSubtitle);
 224   return -1;
 225 }
 226
 227 static int dvd_next_cell(dvd_priv_t *d) {
 228   int next_cell=d->cur_cell;
 229
 230   mp_msg(MSGT_DVD,MSGL_DBG2, "dvd_next_cell: next1=0x%X  \n",next_cell);
 231   if( d->cur_pgc->cell_playback[ next_cell ].block_type == BLOCK_TYPE_ANGLE_BLOCK ) {
 232     while(next_cell<d->last_cell) {
 233       if( d->cur_pgc->cell_playback[next_cell].block_mode == BLOCK_MODE_LAST_CELL )
 234         break;
 235       ++next_cell;
 236     }
 237   }
 238   mp_msg(MSGT_DVD,MSGL_DBG2, "dvd_next_cell: next2=0x%X  \n",next_cell);
 239
 240   ++next_cell;
 241   if(next_cell>=d->last_cell)
 242     return -1; // EOF
 243   if(d->cur_pgc->cell_playback[next_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK ) {
 244     next_cell+=dvd_angle;
 245     if(next_cell>=d->last_cell)
 246       return -1; // EOF
 247   }
 248   mp_msg(MSGT_DVD,MSGL_DBG2, "dvd_next_cell: next3=0x%X  \n",next_cell);
 249   return next_cell;
 250 }
 251
 252 static int dvd_read_sector(dvd_priv_t *d, unsigned char *data)
 253 {
 254   int len;
 255
 256   if(d->packs_left==0) {
 257     /**
 258      * If we're not at the end of this cell, we can determine the next
 259      * VOBU to display using the VOBU_SRI information section of the
 260      * DSI.  Using this value correctly follows the current angle,
 261      * avoiding the doubled scenes in The Matrix, and makes our life
 262      * really happy.
 263      *
 264      * Otherwise, we set our next address past the end of this cell to
 265      * force the code above to go to the next cell in the program.
 266      */
 267     if(d->dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL) {
 268        d->cur_pack= d->dsi_pack.dsi_gi.nv_pck_lbn + ( d->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
 269        mp_msg(MSGT_DVD,MSGL_DBG2, "Navi  new pos=0x%X  \n",d->cur_pack);
 270     } else {
 271       // end of cell! find next cell!
 272       mp_msg(MSGT_DVD,MSGL_V, "--- END OF CELL !!! ---\n");
 273       d->cur_pack=d->cell_last_pack+1;
 274     }
 275   }
 276
 277 read_next:
 278   if(d->cur_pack>d->cell_last_pack) {
 279     // end of cell!
 280     int next=dvd_next_cell(d);
 281     if(next>=0) {
 282       d->cur_cell=next;
 283       // if( d->cur_pgc->cell_playback[d->cur_cell].block_type
 284       // == BLOCK_TYPE_ANGLE_BLOCK ) d->cur_cell+=dvd_angle;
 285       d->cur_pack = d->cur_pgc->cell_playback[ d->cur_cell ].first_sector;
 286       d->cell_last_pack=d->cur_pgc->cell_playback[ d->cur_cell ].last_sector;
 287       mp_msg(MSGT_DVD,MSGL_V, "DVD next cell: %d  pack: 0x%X-0x%X  \n",d->cur_cell,d->cur_pack,d->cell_last_pack);
 288     } else
 289         return -1; // EOF
 290   }
 291
 292   len = DVDReadBlocks(d->title, d->cur_pack, 1, data);
 293   // only == 0 should indicate an error, but some dvdread version are buggy when used with dvdcss
 294   if(len <= 0) return -1; //error
 295
 296   if(data[38]==0 && data[39]==0 && data[40]==1 && data[41]==0xBF &&
 297     data[1024]==0 && data[1025]==0 && data[1026]==1 && data[1027]==0xBF) {
 298        // found a Navi packet!!!
 299 #if DVDREAD_VERSION >= LIBDVDREAD_VERSION(0,9,0)
 300     navRead_DSI(&d->dsi_pack, &(data[ DSI_START_BYTE ]));
 301 #else
 302     navRead_DSI(&d->dsi_pack, &(data[ DSI_START_BYTE ]), sizeof(dsi_t));
 303 #endif
 304     if(d->cur_pack != d->dsi_pack.dsi_gi.nv_pck_lbn ) {
 305       mp_msg(MSGT_DVD,MSGL_V, "Invalid NAVI packet! lba=0x%X  navi=0x%X  \n",
 306         d->cur_pack,d->dsi_pack.dsi_gi.nv_pck_lbn);
 307     } else {
 308       // process!
 309       d->packs_left = d->dsi_pack.dsi_gi.vobu_ea;
 310       mp_msg(MSGT_DVD,MSGL_DBG2, "Found NAVI packet! lba=0x%X  len=%d  \n",d->cur_pack,d->packs_left);
 311       //navPrint_DSI(&d->dsi_pack);
 312       mp_msg(MSGT_DVD,MSGL_DBG3,"\r### CELL %d: Navi: %d/%d  IFO: %d/%d   \n",d->cur_cell,
 313         d->dsi_pack.dsi_gi.vobu_c_idn,d->dsi_pack.dsi_gi.vobu_vob_idn,
 314         d->cur_pgc->cell_position[d->cur_cell].cell_nr,
 315         d->cur_pgc->cell_position[d->cur_cell].vob_id_nr);
 316
 317       if(d->angle_seek) {
 318         int i,skip=0;
 319 #if defined(__GNUC__) && ( defined(__sparc__) || defined(hpux) )
 320         // workaround for a bug in the sparc/hpux version of gcc 2.95.X ... 3.2,
 321         // it generates incorrect code for unaligned access to a packed
 322         // structure member, resulting in an mplayer crash with a SIGBUS
 323         // signal.
 324         //
 325         // See also gcc problem report PR c/7847:
 326         // http://gcc.gnu.org/cgi-bin/gnatsweb.pl?database=gcc&cmd=view+audit-trail&pr=7847
 327         for(i=0;i<9;i++) {      // check if all values zero:
 328           __typeof__(d->dsi_pack.sml_agli.data[i].address) tmp_addr;
 329           memcpy(&tmp_addr,&d->dsi_pack.sml_agli.data[i].address,sizeof(tmp_addr));
 330           if((skip=tmp_addr)!=0) break;
 331         }
 332 #else
 333         for(i=0;i<9;i++)        // check if all values zero:
 334           if((skip=d->dsi_pack.sml_agli.data[i].address)!=0) break;
 335 #endif
 336         if(skip && skip!=0x7fffffff) {
 337           // sml_agli table has valid data (at least one non-zero):
 338          d->cur_pack=d->dsi_pack.dsi_gi.nv_pck_lbn+
 339          d->dsi_pack.sml_agli.data[dvd_angle].address;
 340          d->angle_seek=0;
 341          d->cur_pack--;
 342          mp_msg(MSGT_DVD,MSGL_V, "Angle-seek synced using sml_agli map!  new_lba=0x%X  \n",d->cur_pack);
 343         } else {
 344           // check if we're in the right cell, jump otherwise:
 345           if( (d->dsi_pack.dsi_gi.vobu_c_idn==d->cur_pgc->cell_position[d->cur_cell].cell_nr) &&
 346             (d->dsi_pack.dsi_gi.vobu_vob_idn==d->cur_pgc->cell_position[d->cur_cell].vob_id_nr) ){
 347             d->angle_seek=0;
 348             mp_msg(MSGT_DVD,MSGL_V, "Angle-seek synced by cell/vob IDN search!  \n");
 349           } else {
 350             // wrong angle, skip this vobu:
 351             d->cur_pack=d->dsi_pack.dsi_gi.nv_pck_lbn+
 352             d->dsi_pack.dsi_gi.vobu_ea;
 353             d->angle_seek=2; // DEBUG
 354           }
 355         }
 356       }
 357     }
 358     ++d->cur_pack;
 359     goto read_next;
 360   }
 361
 362   ++d->cur_pack;
 363   if(d->packs_left>=0) --d->packs_left;
 364
 365   if(d->angle_seek) {
 366     if(d->angle_seek==2) mp_msg(MSGT_DVD,MSGL_V, "!!! warning! reading packet while angle_seek !!!\n");
 367     goto read_next; // searching for Navi packet
 368   }
 369
 370   return d->cur_pack-1;
 371 }
 372
 373 static void dvd_seek(dvd_priv_t *d, int pos)
 374 {
 375   d->packs_left=-1;
 376   d->cur_pack=pos;
 377
 378   // check if we stay in current cell (speedup things, and avoid angle skip)
 379   if(d->cur_pack>d->cell_last_pack ||
 380      d->cur_pack<d->cur_pgc->cell_playback[ d->cur_cell ].first_sector) {
 381
 382     // ok, cell change, find the right cell!
 383     d->cur_cell=0;
 384     if(d->cur_pgc->cell_playback[d->cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
 385       d->cur_cell+=dvd_angle;
 386
 387     while(1) {
 388       int next;
 389       d->cell_last_pack=d->cur_pgc->cell_playback[ d->cur_cell ].last_sector;
 390       if(d->cur_pack<d->cur_pgc->cell_playback[ d->cur_cell ].first_sector) {
 391         d->cur_pack=d->cur_pgc->cell_playback[ d->cur_cell ].first_sector;
 392         break;
 393       }
 394       if(d->cur_pack<=d->cell_last_pack) break; // ok, we find it! :)
 395       next=dvd_next_cell(d);
 396       if(next<0) {
 397         //d->cur_pack=d->cell_last_pack+1;
 398         break; // we're after the last cell
 399       }
 400       d->cur_cell=next;
 401     }
 402   }
 403
 404   mp_msg(MSGT_DVD,MSGL_V, "DVD Seek! lba=0x%X  cell=%d  packs: 0x%X-0x%X  \n",
 405     d->cur_pack,d->cur_cell,d->cur_pgc->cell_playback[ d->cur_cell ].first_sector,d->cell_last_pack);
 406
 407   // if we're in interleaved multi-angle cell, find the right angle chain!
 408   // (read Navi block, and use the seamless angle jump table)
 409   d->angle_seek=1;
 410 }
 411
 412 static void dvd_close(dvd_priv_t *d)
 413 {
 414   ifoClose(d->vts_file);
 415   ifoClose(d->vmg_file);
 416   DVDCloseFile(d->title);
 417   DVDClose(d->dvd);
 418   dvd_chapter = 1;
 419   dvd_last_chapter = 0;
 420   dvd_set_speed(dvd_device_current, -1); /* -1 => restore default */
 421 }
 422
 423 static int fill_buffer(stream_t *s, char *but, int len)
 424 {
 425   if(s->type == STREAMTYPE_DVD) {
 426     off_t pos=dvd_read_sector(s->priv,s->buffer);
 427     if(pos>=0) {
 428       len=2048; // full sector
 429       s->pos=2048*pos-len;
 430     } else len=-1; // error
 431   }
 432   return len;
 433 }
 434
 435 static int seek(stream_t *s, off_t newpos) {
 436   s->pos=newpos; // real seek
 437   dvd_seek(s->priv,s->pos/2048);
 438   return 1;
 439 }
 440
 441 static void stream_dvd_close(stream_t *s) {
 442   dvd_close(s->priv);
 443 }
 444
 445 static int mp_get_titleset_length(ifo_handle_t *vts_file, tt_srpt_t *tt_srpt, int title_no)
 446 {
 447     int vts_ttn;  ///< title number within video title set
 448     int pgc_no;   ///< program chain number
 449     int msec;     ///< time length in milliseconds
 450
 451     msec=0;
 452     if(!vts_file || !tt_srpt)
 453         return 0;
 454
 455     if(vts_file->vtsi_mat && vts_file->vts_pgcit)
 456     {
 457             vts_ttn = tt_srpt->title[title_no].vts_ttn - 1;
 458             pgc_no = vts_file->vts_ptt_srpt->title[vts_ttn].ptt[0].pgcn - 1;
 459             msec = mp_dvdtimetomsec(&vts_file->vts_pgcit->pgci_srp[pgc_no].pgc->playback_time);
 460     }
 461     return msec;
 462 }
 463
 464
 465 static int mp_describe_titleset(dvd_reader_t *dvd, tt_srpt_t *tt_srpt, int vts_no)
 466 {
 467     ifo_handle_t *vts_file;
 468     int title_no, msec=0;
 469
 470     vts_file = ifoOpen(dvd, vts_no);
 471     if(!vts_file)
 472         return 0;
 473
 474     if(!vts_file->vtsi_mat || !vts_file->vts_pgcit)
 475     {
 476         ifoClose(vts_file);
 477         return 0;
 478     }
 479
 480     for(title_no = 0; title_no < tt_srpt->nr_of_srpts; title_no++)
 481     {
 482         if (tt_srpt->title[title_no].title_set_nr != vts_no)
 483             continue;
 484         msec = mp_get_titleset_length(vts_file, tt_srpt, title_no);
 485         mp_msg(MSGT_IDENTIFY, MSGL_V, "ID_DVD_TITLE_%d_LENGTH=%d.%03d\n", title_no + 1, msec / 1000, msec % 1000);
 486     }
 487     ifoClose(vts_file);
 488     return 1;
 489 }
 490
 491 static int seek_to_chapter(stream_t *stream, ifo_handle_t *vts_file, tt_srpt_t *tt_srpt, int title_no, int chapter)
 492 {
 493     int cell;
 494     ptt_info_t ptt;
 495     pgc_t *pgc;
 496     off_t pos;
 497
 498     if(!vts_file || !tt_srpt)
 499        return 0;
 500
 501     if(title_no < 0 || title_no >= tt_srpt->nr_of_srpts)
 502        return 0;
 503
 504     // map global title to vts title
 505     title_no = tt_srpt->title[title_no].vts_ttn - 1;
 506
 507     if(title_no < 0 || title_no >= vts_file->vts_ptt_srpt->nr_of_srpts)
 508        return 0;
 509
 510     if(chapter < 0 || chapter > vts_file->vts_ptt_srpt->title[title_no].nr_of_ptts-1) //no such chapter
 511        return 0;
 512
 513     ptt = vts_file->vts_ptt_srpt->title[title_no].ptt[chapter];
 514     pgc = vts_file->vts_pgcit->pgci_srp[ptt.pgcn-1].pgc;
 515
 516     cell = pgc->program_map[ptt.pgn - 1] - 1;
 517     pos = (off_t) pgc->cell_playback[cell].first_sector * 2048;
 518     mp_msg(MSGT_OPEN,MSGL_V,"\r\nSTREAM_DVD, seeked to chapter: %d, cell: %u, pos: %"PRIu64"\n",
 519         chapter, pgc->cell_playback[cell].first_sector, pos);
 520     stream_seek(stream, pos);
 521
 522     return chapter;
 523 }
 524
 525 static void list_chapters(pgc_t *pgc)
 526 {
 527     unsigned int i, cell;
 528     unsigned int t=0, t2=0;
 529
 530     if(pgc->nr_of_programs < 2)
 531        return;
 532
 533     mp_msg(MSGT_IDENTIFY, MSGL_INFO, "CHAPTERS: ");
 534     for(i=0; i<pgc->nr_of_programs; i++)
 535     {
 536         cell = pgc->program_map[i]; //here the cell is 1-based
 537         t2 = t/1000;
 538         mp_msg(MSGT_IDENTIFY, MSGL_INFO, "%02d:%02d:%02d,", t2/3600, (t2/60)%60, t2%60);
 539         while(i+1<pgc->nr_of_programs && cell < pgc->program_map[i+1]) {
 540             if(!(pgc->cell_playback[cell-1].block_type == BLOCK_TYPE_ANGLE_BLOCK &&
 541                  pgc->cell_playback[cell-1].block_mode != BLOCK_MODE_FIRST_CELL)
 542             )
 543                 t += mp_dvdtimetomsec(&pgc->cell_playback[cell-1].playback_time);
 544             cell++;
 545         }
 546     }
 547     mp_msg(MSGT_IDENTIFY, MSGL_INFO, "\n");
 548 }
 549
 550 static double dvd_get_current_time(stream_t *stream, int cell)
 551 {
 552     int i, tm;
 553     dvd_priv_t *d = stream->priv;
 554
 555     tm=0;
 556     if(!cell) cell=d->cur_cell;
 557     for(i=0; i<d->cur_cell; i++) {
 558         if(d->cur_pgc->cell_playback[i].block_type == BLOCK_TYPE_ANGLE_BLOCK &&
 559            d->cur_pgc->cell_playback[i].block_mode != BLOCK_MODE_FIRST_CELL
 560         )
 561           continue;
 562         tm += d->cell_times_table[i];
 563     }
 564     tm += mp_dvdtimetomsec(&d->dsi_pack.dsi_gi.c_eltm);
 565
 566     return (double)tm/1000.0;
 567 }
 568
 569 static int dvd_seek_to_time(stream_t *stream, ifo_handle_t *vts_file, double sec)
 570 {
 571     unsigned int i, j, k, timeunit, ac_time, tmap_sector=0, cell_sector=0, vobu_sector=0;
 572     int t=0;
 573     double tm, duration;
 574     off_t pos = -1;
 575     dvd_priv_t *d = stream->priv;
 576     vts_tmapt_t *vts_tmapt = vts_file->vts_tmapt;
 577
 578     if(!vts_file->vts_tmapt || sec < 0)
 579         return 0;
 580
 581     duration = (double) mp_get_titleset_length(d->vts_file, d->tt_srpt, d->cur_title-1) / 1000.0f;
 582     if(sec > duration)
 583       return 0;
 584
 585     i=d->cur_pgc_idx;
 586     timeunit = vts_tmapt->tmap[i].tmu;
 587     for(j = 0; j < vts_tmapt->tmap[i].nr_of_entries; j++) {
 588       ac_time = timeunit * (j + 1);
 589       if(ac_time >= sec)
 590         break;
 591       tmap_sector = vts_tmapt->tmap[i].map_ent[j] & 0x7fffffff;
 592     }
 593     //search enclosing cell
 594     for(i=0; i<d->cur_pgc->nr_of_cells; i++) {
 595       if(tmap_sector >= d->cur_pgc->cell_playback[i].first_sector && tmap_sector <= d->cur_pgc->cell_playback[i].last_sector) {
 596         cell_sector = d->cur_pgc->cell_playback[i].first_sector;
 597         break;
 598       }
 599     }
 600
 601     pos = ((off_t)cell_sector)<<11;
 602     stream_seek(stream, pos);
 603     do {
 604       stream_skip(stream, 2048);
 605       t = mp_dvdtimetomsec(&d->dsi_pack.dsi_gi.c_eltm);
 606     } while(!t);
 607     tm = dvd_get_current_time(stream, 0);
 608
 609     pos = ((off_t)tmap_sector)<<11;
 610     stream_seek(stream, pos);
 611     //now get current time in terms of the cell+cell time offset
 612     memset(&d->dsi_pack.dsi_gi.c_eltm, 0, sizeof(dvd_time_t));
 613     while(tm <= sec) {
 614         if(!stream_skip(stream, 2048))
 615           break;
 616         tm = dvd_get_current_time(stream, 0);
 617     };
 618     tmap_sector = stream->pos >> 11;
 619
 620     //search closest VOBU sector
 621     k=(vts_file->vts_vobu_admap->last_byte + 1 - VOBU_ADMAP_SIZE)/4; //entries in the vobu admap
 622     for(i=1; i<k; i++) {
 623       if(vts_file->vts_vobu_admap->vobu_start_sectors[i] > tmap_sector)
 624         break;
 625     }
 626     vobu_sector = vts_file->vts_vobu_admap->vobu_start_sectors[i-1];
 627     pos = ((off_t)vobu_sector) << 11;
 628     stream_seek(stream, pos);
 629
 630     return 1;
 631 }
 632
 633 static int control(stream_t *stream,int cmd,void* arg)
 634 {
 635     dvd_priv_t *d = stream->priv;
 636     switch(cmd)
 637     {
 638         case STREAM_CTRL_GET_TIME_LENGTH:
 639         {
 640             *((double *)arg) = (double) mp_get_titleset_length(d->vts_file, d->tt_srpt, d->cur_title-1)/1000.0;
 641             return 1;
 642         }
 643         case STREAM_CTRL_GET_NUM_CHAPTERS:
 644         {
 645             if(! d->cur_pgc->nr_of_programs) return STREAM_UNSUPPORTED;
 646             *((unsigned int *)arg) = d->cur_pgc->nr_of_programs;
 647             return 1;
 648         }
 649         case STREAM_CTRL_SEEK_TO_CHAPTER:
 650         {
 651             int r;
 652             r = seek_to_chapter(stream, d->vts_file, d->tt_srpt, d->cur_title-1, *((unsigned int *)arg));
 653             if(! r) return STREAM_UNSUPPORTED;
 654
 655             return 1;
 656         }
 657         case STREAM_CTRL_GET_CURRENT_CHAPTER:
 658         {
 659             *((unsigned int *)arg) = dvd_chapter_from_cell(d, d->cur_title-1, d->cur_cell);
 660             return 1;
 661         }
 662         case STREAM_CTRL_GET_CURRENT_TIME:
 663         {
 664             double tm;
 665             tm = dvd_get_current_time(stream, 0);
 666             if(tm != -1) {
 667               *((double *)arg) = tm;
 668               return 1;
 669             }
 670             break;
 671         }
 672         case STREAM_CTRL_SEEK_TO_TIME:
 673         {
 674             if(dvd_seek_to_time(stream, d->vts_file, *((double*)arg)))
 675               return 1;
 676             break;
 677         }
 678         case STREAM_CTRL_GET_ASPECT_RATIO:
 679         {
 680             *((double *)arg) = !d->vts_file->vtsi_mat->vts_video_attr.display_aspect_ratio ? 4.0/3.0 : 16.0/9.0;
 681             return 1;
 682         }
 683         case STREAM_CTRL_GET_NUM_ANGLES:
 684         {
 685             *((int *)arg) = d->vmg_file->tt_srpt->title[dvd_title].nr_of_angles;
 686             return 1;
 687         }
 688         case STREAM_CTRL_GET_ANGLE:
 689         {
 690             *((int *)arg) = dvd_angle+1;
 691             return 1;
 692         }
 693         case STREAM_CTRL_SET_ANGLE:
 694         {
 695             int ang = *((int *)arg);
 696             if(ang>d->vmg_file->tt_srpt->title[dvd_title].nr_of_angles || ang<=0)
 697                 break;
 698             dvd_angle = ang - 1;
 699             d->angle_seek = 1;
 700             return 1;
 701         }
 702     }
 703     return STREAM_UNSUPPORTED;
 704 }
 705
 706
 707 static int open_s(stream_t *stream,int mode, void* opts, int* file_format) {
 708   struct stream_priv_s* p = (struct stream_priv_s*)opts;
 709   int k;
 710
 711   mp_msg(MSGT_OPEN,MSGL_V,"URL: %s\n", stream->url);
 712   dvd_title = p->title;
 713   if(1){
 714     //int ret,ret2;
 715     dvd_priv_t *d;
 716     int ttn,pgc_id,pgn;
 717     dvd_reader_t *dvd;
 718     dvd_file_t *title;
 719     ifo_handle_t *vmg_file;
 720     tt_srpt_t *tt_srpt;
 721     ifo_handle_t *vts_file;
 722     pgc_t *pgc;
 723     /**
 724      * Open the disc.
 725      */
 726     if(p->device)
 727       dvd_device_current = p->device;
 728     else if(dvd_device)
 729       dvd_device_current = dvd_device;
 730     else
 731       dvd_device_current = DEFAULT_DVD_DEVICE;
 732     dvd_set_speed(dvd_device_current, dvd_speed);
 733 #if defined(__APPLE__) || defined(__DARWIN__)
 734     /* Dynamic DVD drive selection on Darwin */
 735     if(!strcmp(dvd_device_current, "/dev/rdiskN")) {
 736       int i;
 737       size_t len = strlen(dvd_device_current)+1;
 738       char *temp_device = malloc(len);
 739
 740       for (i = 1; i < 10; i++) {
 741         snprintf(temp_device, len, "/dev/rdisk%d", i);
 742         dvd = DVDOpen(temp_device);
 743         if(!dvd) {
 744           mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_CantOpenDVD,temp_device, strerror(errno));
 745         } else {
 746 #if DVDREAD_VERSION <= LIBDVDREAD_VERSION(0,9,4)
 747           dvd_file_t *dvdfile = DVDOpenFile(dvd,dvd_title,DVD_READ_INFO_FILE);
 748           if(!dvdfile) {
 749             mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_CantOpenDVD,temp_device, strerror(errno));
 750             DVDClose(dvd);
 751             continue;
 752           }
 753           DVDCloseFile(dvdfile);
 754 #endif
 755           break;
 756         }
 757       }
 758       free(temp_device);
 759
 760       if(!dvd) {
 761         m_struct_free(&stream_opts,opts);
 762         return STREAM_UNSUPPORTED;
 763       }
 764     } else
 765 #endif /* defined(__APPLE__) || defined(__DARWIN__) */
 766     {
 767         dvd = DVDOpen(dvd_device_current);
 768         if(!dvd) {
 769           mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_CantOpenDVD,dvd_device_current, strerror(errno));
 770           m_struct_free(&stream_opts,opts);
 771           return STREAM_UNSUPPORTED;
 772         }
 773     }
 774
 775     mp_msg(MSGT_OPEN,MSGL_V,"Reading disc structure, please wait...\n");
 776
 777     /**
 778      * Load the video manager to find out the information about the titles on
 779      * this disc.
 780      */
 781     vmg_file = ifoOpen(dvd, 0);
 782     if(!vmg_file) {
 783       mp_msg(MSGT_OPEN,MSGL_ERR, MSGTR_DVDnoVMG);
 784       DVDClose( dvd );
 785       m_struct_free(&stream_opts,opts);
 786       return STREAM_UNSUPPORTED;
 787     }
 788     tt_srpt = vmg_file->tt_srpt;
 789     if (mp_msg_test(MSGT_IDENTIFY, MSGL_INFO))
 790     {
 791       int title_no; ///< title number
 792       mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_DVD_TITLES=%d\n", tt_srpt->nr_of_srpts);
 793       for (title_no = 0; title_no < tt_srpt->nr_of_srpts; title_no++)
 794       {
 795         mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_DVD_TITLE_%d_CHAPTERS=%d\n", title_no + 1, tt_srpt->title[title_no].nr_of_ptts);
 796         mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_DVD_TITLE_%d_ANGLES=%d\n", title_no + 1, tt_srpt->title[title_no].nr_of_angles);
 797       }
 798     }
 799     if (mp_msg_test(MSGT_IDENTIFY, MSGL_V))
 800     {
 801       char volid[32];
 802       unsigned char discid [16]; ///< disk ID, a 128 bit MD5 sum
 803       int vts_no;   ///< video title set number
 804       for (vts_no = 1; vts_no <= vmg_file->vts_atrt->nr_of_vtss; vts_no++)
 805         mp_describe_titleset(dvd, tt_srpt, vts_no);
 806       if (DVDDiscID(dvd, discid) >= 0)
 807       {
 808         int i;
 809         mp_msg(MSGT_IDENTIFY, MSGL_V, "ID_DVD_DISC_ID=");
 810         for (i = 0; i < 16; i ++)
 811           mp_msg(MSGT_IDENTIFY, MSGL_V, "%02X", discid[i]);
 812         mp_msg(MSGT_IDENTIFY, MSGL_V, "\n");
 813       }
 814       if (DVDUDFVolumeInfo(dvd, volid, sizeof(volid), NULL, 0) >= 0 || DVDISOVolumeInfo(dvd, volid, sizeof(volid), NULL, 0) >= 0)
 815         mp_msg(MSGT_IDENTIFY, MSGL_V, "ID_DVD_VOLUME_ID=%s\n", volid);
 816     }
 817     /**
 818      * Make sure our title number is valid.
 819      */
 820     mp_msg(MSGT_OPEN,MSGL_STATUS, MSGTR_DVDnumTitles, tt_srpt->nr_of_srpts );
 821     if(dvd_title < 1 || dvd_title > tt_srpt->nr_of_srpts) {
 822       mp_msg(MSGT_OPEN,MSGL_ERR, MSGTR_DVDinvalidTitle, dvd_title);
 823       ifoClose( vmg_file );
 824       DVDClose( dvd );
 825       m_struct_free(&stream_opts,opts);
 826       return STREAM_UNSUPPORTED;
 827     }
 828     mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_DVD_CURRENT_TITLE=%d\n", dvd_title);
 829     --dvd_title; // remap 1.. -> 0..
 830     /**
 831      * Make sure the angle number is valid for this title.
 832      */
 833     mp_msg(MSGT_OPEN,MSGL_STATUS, MSGTR_DVDnumAngles, tt_srpt->title[dvd_title].nr_of_angles);
 834     if(dvd_angle<1 || dvd_angle>tt_srpt->title[dvd_title].nr_of_angles) {
 835       mp_msg(MSGT_OPEN,MSGL_ERR, MSGTR_DVDinvalidAngle, dvd_angle);
 836       goto fail;
 837     }
 838     --dvd_angle; // remap 1.. -> 0..
 839
 840     ttn = tt_srpt->title[dvd_title].vts_ttn - 1;
 841     /**
 842      * Load the VTS information for the title set our title is in.
 843      */
 844     vts_file = ifoOpen( dvd, tt_srpt->title[dvd_title].title_set_nr );
 845     if(!vts_file) {
 846       mp_msg(MSGT_OPEN,MSGL_ERR, MSGTR_DVDnoIFO, tt_srpt->title[dvd_title].title_set_nr );
 847       goto fail;
 848     }
 849     /**
 850      * We've got enough info, time to open the title set data.
 851      */
 852     title = DVDOpenFile(dvd, tt_srpt->title[dvd_title].title_set_nr, DVD_READ_TITLE_VOBS);
 853     if(!title) {
 854       mp_msg(MSGT_OPEN,MSGL_ERR, MSGTR_DVDnoVOBs, tt_srpt->title[dvd_title].title_set_nr);
 855       ifoClose( vts_file );
 856       goto fail;
 857     }
 858
 859     mp_msg(MSGT_OPEN,MSGL_V, "DVD successfully opened.\n");
 860     // store data
 861     d=malloc(sizeof(dvd_priv_t)); memset(d,0,sizeof(dvd_priv_t));
 862     d->dvd=dvd;
 863     d->title=title;
 864     d->vmg_file=vmg_file;
 865     d->tt_srpt=tt_srpt;
 866     d->vts_file=vts_file;
 867     d->cur_title = dvd_title+1;
 868
 869     pgc = vts_file->vts_pgcit ? vts_file->vts_pgcit->pgci_srp[ttn].pgc : NULL;
 870     /**
 871      * Check number of audio channels and types
 872      */
 873     {
 874       d->nr_of_channels=0;
 875       if(vts_file->vts_pgcit) {
 876         int i;
 877         for(i=0;i<8;i++)
 878           if(pgc->audio_control[i] & 0x8000) {
 879             audio_attr_t * audio = &vts_file->vtsi_mat->vts_audio_attr[i];
 880             int language = 0;
 881             char tmp[] = "unknown";
 882             stream_language_t *audio_stream = &d->audio_streams[d->nr_of_channels];
 883
 884             if(audio->lang_type == 1) {
 885               language=audio->lang_code;
 886               tmp[0]=language>>8;
 887               tmp[1]=language&0xff;
 888               tmp[2]=0;
 889             }
 890
 891             audio_stream->language=language;
 892             audio_stream->id=pgc->audio_control[i] >> 8 & 7;
 893             switch(audio->audio_format) {
 894               case 0: // ac3
 895                 audio_stream->id+=FIRST_AC3_AID;
 896                 break;
 897               case 6: // dts
 898                 audio_stream->id+=FIRST_DTS_AID;
 899                 break;
 900               case 2: // mpeg layer 1/2/3
 901               case 3: // mpeg2 ext
 902                 audio_stream->id+=FIRST_MPG_AID;
 903                 break;
 904               case 4: // lpcm
 905                 audio_stream->id+=FIRST_PCM_AID;
 906                 break;
 907            }
 908
 909            audio_stream->type=audio->audio_format;
 910            // Pontscho: to my mind, tha channels:
 911            //  1 - stereo
 912            //  5 - 5.1
 913            audio_stream->channels=audio->channels;
 914            mp_msg(MSGT_OPEN,MSGL_STATUS,MSGTR_DVDaudioStreamInfo,
 915              d->nr_of_channels,
 916              dvd_audio_stream_types[ audio->audio_format ],
 917              dvd_audio_stream_channels[ audio->channels ],
 918              tmp,
 919              audio_stream->id
 920            );
 921            mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_AUDIO_ID=%d\n", audio_stream->id);
 922            if(language && tmp[0])
 923              mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_AID_%d_LANG=%s\n", audio_stream->id, tmp);
 924
 925            d->nr_of_channels++;
 926          }
 927       }
 928       mp_msg(MSGT_OPEN,MSGL_STATUS,MSGTR_DVDnumAudioChannels,d->nr_of_channels );
 929     }
 930
 931     /**
 932      * Check number of subtitles and language
 933      */
 934     {
 935       int i;
 936
 937       d->nr_of_subtitles=0;
 938       for(i=0;i<32;i++)
 939       if(pgc->subp_control[i] & 0x80000000) {
 940         subp_attr_t * subtitle = &vts_file->vtsi_mat->vts_subp_attr[i];
 941         video_attr_t *video = &vts_file->vtsi_mat->vts_video_attr;
 942         int language = 0;
 943         char tmp[] = "unknown";
 944         stream_language_t *sub_stream = &d->subtitles[d->nr_of_subtitles];
 945
 946         if(subtitle->type == 1) {
 947           language=subtitle->lang_code;
 948           tmp[0]=language>>8;
 949           tmp[1]=language&0xff;
 950           tmp[2]=0;
 951         }
 952
 953         sub_stream->language=language;
 954         sub_stream->id=d->nr_of_subtitles;
 955         if(video->display_aspect_ratio == 0) /* 4:3 */
 956           sub_stream->id = pgc->subp_control[i] >> 24 & 31;
 957         else if(video->display_aspect_ratio == 3) /* 16:9 */
 958           sub_stream->id = pgc->subp_control[i] >> 8 & 31;
 959
 960         mp_msg(MSGT_OPEN,MSGL_STATUS,MSGTR_DVDsubtitleLanguage, sub_stream->id, tmp);
 961         mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_SUBTITLE_ID=%d\n", sub_stream->id);
 962         if(language && tmp[0])
 963           mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_SID_%d_LANG=%s\n", sub_stream->id, tmp);
 964         d->nr_of_subtitles++;
 965       }
 966       mp_msg(MSGT_OPEN,MSGL_STATUS,MSGTR_DVDnumSubtitles,d->nr_of_subtitles);
 967     }
 968
 969     /**
 970      * Determine which program chain we want to watch.  This is based on the
 971      * chapter number.
 972      */
 973     pgc_id = vts_file->vts_ptt_srpt->title[ttn].ptt[0].pgcn; // local
 974     pgn  = vts_file->vts_ptt_srpt->title[ttn].ptt[0].pgn;  // local
 975     d->cur_pgc_idx = pgc_id-1;
 976     d->cur_pgc = vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc;
 977     d->cur_cell = d->cur_pgc->program_map[pgn-1] - 1; // start playback here
 978     d->packs_left=-1;      // for Navi stuff
 979     d->angle_seek=0;
 980       d->last_cell=d->cur_pgc->nr_of_cells;
 981
 982     if(d->cur_pgc->cell_playback[d->cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
 983       d->cur_cell+=dvd_angle;
 984     d->cur_pack = d->cur_pgc->cell_playback[ d->cur_cell ].first_sector;
 985     d->cell_last_pack=d->cur_pgc->cell_playback[ d->cur_cell ].last_sector;
 986     mp_msg(MSGT_DVD,MSGL_V, "DVD start cell: %d  pack: 0x%X-0x%X  \n",d->cur_cell,d->cur_pack,d->cell_last_pack);
 987
 988     //assign cell_times_table
 989     d->cell_times_table = malloc(sizeof(unsigned int) * d->cur_pgc->nr_of_cells);
 990     if(d->cell_times_table == NULL)
 991       return STREAM_UNSUPPORTED;
 992     for(k=0; k<d->cur_pgc->nr_of_cells; k++)
 993       d->cell_times_table[k] = mp_dvdtimetomsec(&d->cur_pgc->cell_playback[k].playback_time);
 994     list_chapters(d->cur_pgc);
 995
 996     // ... (unimplemented)
 997     //    return NULL;
 998     stream->type = STREAMTYPE_DVD;
 999     stream->sector_size = 2048;
1000     stream->flags = STREAM_READ | MP_STREAM_SEEK;
1001     stream->fill_buffer = fill_buffer;
1002     stream->seek = seek;
1003     stream->control = control;
1004     stream->close = stream_dvd_close;
1005     stream->start_pos = (off_t)d->cur_pack*2048;
1006     stream->end_pos = (off_t)(d->cur_pgc->cell_playback[d->last_cell-1].last_sector)*2048;
1007     *file_format = DEMUXER_TYPE_MPEG_PS;
1008     mp_msg(MSGT_DVD,MSGL_V,"DVD start=%d end=%d  \n",d->cur_pack,d->cur_pgc->cell_playback[d->last_cell-1].last_sector);
1009     stream->priv = (void*)d;
1010     return STREAM_OK;
1011
1012 fail:
1013       ifoClose(vmg_file);
1014       DVDClose(dvd);
1015       m_struct_free(&stream_opts, opts);
1016       return STREAM_UNSUPPORTED;
1017   }
1018   mp_msg(MSGT_DVD,MSGL_ERR,MSGTR_NoDVDSupport);
1019   m_struct_free(&stream_opts,opts);
1020   return STREAM_UNSUPPORTED;
1021 }
1022
1023 static int ifo_stream_open (stream_t *stream, int mode, void *opts, int *file_format)
1024 {
1025     char* filename;
1026     struct stream_priv_s *spriv;
1027     int len = strlen(stream->url);
1028
1029     if (len < 4 || strcasecmp (stream->url + len - 4, ".ifo"))
1030         return STREAM_UNSUPPORTED;
1031
1032     mp_msg(MSGT_DVD, MSGL_INFO, ".IFO detected. Redirecting to dvd://\n");
1033
1034     filename = strdup(basename(stream->url));
1035
1036     spriv=calloc(1, sizeof(struct stream_priv_s));
1037     spriv->device = strdup(dirname(stream->url));
1038     if(!strncasecmp(filename,"vts_",4))
1039     {
1040         if(sscanf(filename+3, "_%02d_", &spriv->title)!=1)
1041             spriv->title=1;
1042     }else
1043         spriv->title=1;
1044
1045     free(filename);
1046     free(stream->url);
1047     stream->url=strdup("dvd://");
1048
1049     return open_s(stream, mode, spriv, file_format);
1050 }
1051
1052 const stream_info_t stream_info_dvd = {
1053   "DVD stream",
1054   "null",
1055   "",
1056   "",
1057   open_s,
1058   { "dvd", NULL },
1059   &stream_opts,
1060   1 // Urls are an option string
1061 };
1062
1063 const stream_info_t stream_info_ifo = {
1064   "DVD IFO input",
1065   "ifo",
1066   "Benjamin Zores",
1067   "Mostly used to play DVDs on disk through OSD Menu",
1068   ifo_stream_open,
1069   { "file", "", NULL },
1070   NULL,
1071   0
1072 };