stream/stream_dvd.c

   1
   2
   3 #include <ctype.h>
   4 #include <stdio.h>
   5 #include <stdlib.h>
   6 #include <string.h>
   7 #include <unistd.h>
   8 #include <fcntl.h>
   9 #include <string.h>
  10
  11 #include "config.h"
  12 #include "mp_msg.h"
  13 #include "help_mp.h"
  14
  15 #ifdef __FreeBSD__
  16 #include <sys/cdrio.h>
  17 #endif
  18
  19 #ifdef __linux__
  20 #include <linux/cdrom.h>
  21 #include <scsi/sg.h>
  22 #include <sys/types.h>
  23 #include <sys/stat.h>
  24 #include <sys/ioctl.h>
  25 #endif
  26
  27 #include <libgen.h>
  28 #include <errno.h>
  29
  30 #define FIRST_AC3_AID 128
  31 #define FIRST_DTS_AID 136
  32 #define FIRST_MPG_AID 0
  33 #define FIRST_PCM_AID 160
  34
  35 #include "stream.h"
  36 #include "m_option.h"
  37 #include "m_struct.h"
  38
  39 #include "stream_dvd.h"
  40 #include "stream_dvd_common.h"
  41 #include "libmpdemux/demuxer.h"
  42 #include "libavutil/intreadwrite.h"
  43
  44 extern char* dvd_device;
  45 static char* dvd_device_current;
  46 int dvd_angle=1;
  47 int dvd_speed=0; /* 0 => don't touch speed */
  48
  49 static void dvd_set_speed(char *device, unsigned speed)
  50 {
  51 #if defined(__linux__) && defined(SG_IO) && defined(GPCMD_SET_STREAMING)
  52   int fd;
  53   unsigned char buffer[28];
  54   unsigned char cmd[12];
  55   struct sg_io_hdr sghdr;
  56   struct stat st;
  57
  58   memset(&st, 0, sizeof(st));
  59
  60   if (stat(device, &st) == -1) return;
  61
  62   if (!S_ISBLK(st.st_mode)) return; /* not a block device */
  63
  64   switch (speed) {
  65   case 0: /* don't touch speed setting */
  66     return;
  67   case -1: /* restore default value */
  68     if (dvd_speed == 0) return; /* we haven't touched the speed setting */
  69     mp_msg(MSGT_OPEN, MSGL_INFO, MSGTR_DVDrestoreSpeed);
  70     break;
  71   default: /* limit to <speed> KB/s */
  72     // speed < 100 is multiple of DVD single speed (1350KB/s)
  73     if (speed < 100)
  74       speed *= 1350;
  75     mp_msg(MSGT_OPEN, MSGL_INFO, MSGTR_DVDlimitSpeed, speed);
  76     break;
  77   }
  78
  79   memset(&sghdr, 0, sizeof(sghdr));
  80   sghdr.interface_id = 'S';
  81   sghdr.timeout = 5000;
  82   sghdr.dxfer_direction = SG_DXFER_TO_DEV;
  83   sghdr.dxfer_len = sizeof(buffer);
  84   sghdr.dxferp = buffer;
  85   sghdr.cmd_len = sizeof(cmd);
  86   sghdr.cmdp = cmd;
  87
  88   memset(cmd, 0, sizeof(cmd));
  89   cmd[0] = GPCMD_SET_STREAMING;
  90   cmd[10] = sizeof(buffer);
  91
  92   memset(buffer, 0, sizeof(buffer));
  93   /* first sector 0, last sector 0xffffffff */
  94   AV_WB32(buffer + 8, 0xffffffff);
  95   if (speed == -1)
  96     buffer[0] = 4; /* restore default */
  97   else {
  98     /* <speed> kilobyte */
  99     AV_WB32(buffer + 12, speed);
 100     AV_WB32(buffer + 20, speed);
 101   }
 102   /* 1 second */
 103   AV_WB16(buffer + 18, 1000);
 104   AV_WB16(buffer + 26, 1000);
 105
 106   fd = open(device, O_RDWR | O_NONBLOCK);
 107   if (fd == -1) {
 108     mp_msg(MSGT_OPEN, MSGL_INFO, MSGTR_DVDspeedCantOpen);
 109     return;
 110   }
 111
 112   if (ioctl(fd, SG_IO, &sghdr) < 0)
 113     mp_msg(MSGT_OPEN, MSGL_INFO, MSGTR_DVDlimitFail);
 114   else
 115     mp_msg(MSGT_OPEN, MSGL_INFO, MSGTR_DVDlimitOk);
 116
 117   close(fd);
 118 #endif
 119 }
 120
 121 #define LIBDVDREAD_VERSION(maj,min,micro)       ((maj)*10000 + (min)*100 + (micro))
 122 /*
 123  * Try to autodetect the libdvd-0.9.0 library
 124  * (0.9.0 removed the <dvdread/dvd_udf.h> header, and moved the two defines
 125  * DVD_VIDEO_LB_LEN and MAX_UDF_FILE_NAME_LEN from it to
 126  * <dvdread/dvd_reader.h>)
 127  */
 128 #ifndef DVDREAD_VERSION
 129 #if defined(DVD_VIDEO_LB_LEN) && defined(MAX_UDF_FILE_NAME_LEN)
 130 #define DVDREAD_VERSION LIBDVDREAD_VERSION(0,9,0)
 131 #else
 132 #define DVDREAD_VERSION LIBDVDREAD_VERSION(0,8,0)
 133 #endif
 134 #endif
 135
 136 const char * const dvd_audio_stream_types[8] = { "ac3","unknown","mpeg1","mpeg2ext","lpcm","unknown","dts" };
 137 const char * const dvd_audio_stream_channels[6] = { "mono", "stereo", "unknown", "unknown", "5.1/6.1", "5.1" };
 138
 139
 140 static struct stream_priv_s {
 141   int title;
 142   char* device;
 143 } stream_priv_dflts = {
 144   1,
 145   NULL
 146 };
 147
 148 #define ST_OFF(f) M_ST_OFF(struct stream_priv_s,f)
 149 /// URL definition
 150 static const m_option_t stream_opts_fields[] = {
 151   { "hostname", ST_OFF(title),  CONF_TYPE_INT, M_OPT_RANGE, 1, 99, NULL},
 152   { "filename", ST_OFF(device), CONF_TYPE_STRING, 0, 0 ,0, NULL},
 153   { NULL, NULL, 0, 0, 0, 0,  NULL }
 154 };
 155 static const struct m_struct_st stream_opts = {
 156   "dvd",
 157   sizeof(struct stream_priv_s),
 158   &stream_priv_dflts,
 159   stream_opts_fields
 160 };
 161
 162 int dvd_parse_chapter_range(const m_option_t *conf, const char *range) {
 163   const char *s;
 164   char *t;
 165   if (!range)
 166     return M_OPT_MISSING_PARAM;
 167   s = range;
 168   dvd_chapter = 1;
 169   dvd_last_chapter = 0;
 170   if(*range && isdigit(*range)) {
 171     dvd_chapter = strtol(range, &s, 10);
 172     if(range == s) {
 173       mp_msg(MSGT_OPEN, MSGL_ERR, MSGTR_DVDinvalidChapterRange, range);
 174       return M_OPT_INVALID;
 175     }
 176   }
 177   if(*s == 0)
 178     return 0;
 179   else if(*s != '-') {
 180     mp_msg(MSGT_OPEN, MSGL_ERR, MSGTR_DVDinvalidChapterRange, range);
 181     return M_OPT_INVALID;
 182   }
 183   ++s;
 184   if(*s == 0)
 185       return 0;
 186   if(! isdigit(*s)) {
 187     mp_msg(MSGT_OPEN, MSGL_ERR, MSGTR_DVDinvalidChapterRange, range);
 188     return M_OPT_INVALID;
 189   }
 190   dvd_last_chapter = strtol(s, &t, 10);
 191   if (s == t || *t) {
 192     mp_msg(MSGT_OPEN, MSGL_ERR, MSGTR_DVDinvalidChapterRange, range);
 193     return M_OPT_INVALID;
 194   }
 195   return 0;
 196 }
 197
 198 int dvd_chapter_from_cell(dvd_priv_t* dvd,int title,int cell)
 199 {
 200   pgc_t * cur_pgc;
 201   ptt_info_t* ptt;
 202   int chapter = cell;
 203   int pgc_id,pgn;
 204   if(title < 0 || cell < 0){
 205     return 0;
 206   }
 207   /* for most DVD's chapter == cell */
 208   /* but there are more complecated cases... */
 209   if(chapter >= dvd->vmg_file->tt_srpt->title[title].nr_of_ptts) {
 210     chapter = dvd->vmg_file->tt_srpt->title[title].nr_of_ptts-1;
 211   }
 212   title = dvd->tt_srpt->title[title].vts_ttn-1;
 213   ptt = dvd->vts_file->vts_ptt_srpt->title[title].ptt;
 214   while(chapter >= 0) {
 215     pgc_id = ptt[chapter].pgcn;
 216     pgn = ptt[chapter].pgn;
 217     cur_pgc = dvd->vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc;
 218     if(cell >= cur_pgc->program_map[pgn-1]-1) {
 219       return chapter;
 220     }
 221     --chapter;
 222   }
 223   /* didn't find a chapter ??? */
 224   return chapter;
 225 }
 226
 227 int dvd_lang_from_aid(stream_t *stream, int id) {
 228   dvd_priv_t *d;
 229   int i;
 230   if (!stream) return 0;
 231   d = stream->priv;
 232   if (!d) return 0;
 233   for(i=0;i<d->nr_of_channels;i++) {
 234     if(d->audio_streams[i].id==id)
 235       return d->audio_streams[i].language;
 236   }
 237   return 0;
 238 }
 239
 240 int dvd_aid_from_lang(stream_t *stream, unsigned char* lang) {
 241   dvd_priv_t *d=stream->priv;
 242   int code,i;
 243   if(lang) {
 244     while(strlen(lang)>=2) {
 245       code=lang[1]|(lang[0]<<8);
 246       for(i=0;i<d->nr_of_channels;i++) {
 247         if(d->audio_streams[i].language==code) {
 248           mp_msg(MSGT_OPEN,MSGL_INFO,MSGTR_DVDaudioChannel,
 249           d->audio_streams[i].id, lang[0],lang[1]);
 250           return d->audio_streams[i].id;
 251         }
 252         //printf("%X != %X  (%c%c)\n",code,d->audio_streams[i].language,lang[0],lang[1]);
 253       }
 254       lang+=2; while (lang[0]==',' || lang[0]==' ') ++lang;
 255     }
 256     mp_msg(MSGT_OPEN,MSGL_WARN,MSGTR_DVDnoMatchingAudio);
 257   }
 258   return -1;
 259 }
 260
 261 int dvd_number_of_subs(stream_t *stream) {
 262   int i;
 263   int maxid = -1;
 264   dvd_priv_t *d;
 265   if (!stream) return -1;
 266   d = stream->priv;
 267   if (!d) return -1;
 268   for (i = 0; i < d->nr_of_subtitles; i++)
 269     if (d->subtitles[i].id > maxid) maxid = d->subtitles[i].id;
 270   return maxid + 1;
 271 }
 272
 273 int dvd_lang_from_sid(stream_t *stream, int id) {
 274   int i;
 275   dvd_priv_t *d;
 276   if (!stream) return 0;
 277   d = stream->priv;
 278   if (!d) return 0;
 279   for (i = 0; i < d->nr_of_subtitles; i++)
 280     if (d->subtitles[i].id == id && d->subtitles[i].language) return d->subtitles[i].language;
 281   return 0;
 282 }
 283
 284 int dvd_sid_from_lang(stream_t *stream, unsigned char* lang) {
 285   dvd_priv_t *d=stream->priv;
 286   int code,i;
 287   while(lang && strlen(lang)>=2) {
 288     code=lang[1]|(lang[0]<<8);
 289     for(i=0;i<d->nr_of_subtitles;i++) {
 290       if(d->subtitles[i].language==code) {
 291         mp_msg(MSGT_OPEN,MSGL_INFO,MSGTR_DVDsubtitleChannel, i, lang[0],lang[1]);
 292         return d->subtitles[i].id;
 293       }
 294     }
 295     lang+=2;
 296     while (lang[0]==',' || lang[0]==' ') ++lang;
 297   }
 298   mp_msg(MSGT_OPEN,MSGL_WARN,MSGTR_DVDnoMatchingSubtitle);
 299   return -1;
 300 }
 301
 302 static int dvd_next_cell(dvd_priv_t *d) {
 303   int next_cell=d->cur_cell;
 304
 305   mp_msg(MSGT_DVD,MSGL_DBG2, "dvd_next_cell: next1=0x%X  \n",next_cell);
 306   if( d->cur_pgc->cell_playback[ next_cell ].block_type == BLOCK_TYPE_ANGLE_BLOCK ) {
 307     while(next_cell<d->last_cell) {
 308       if( d->cur_pgc->cell_playback[next_cell].block_mode == BLOCK_MODE_LAST_CELL )
 309         break;
 310       ++next_cell;
 311     }
 312   }
 313   mp_msg(MSGT_DVD,MSGL_DBG2, "dvd_next_cell: next2=0x%X  \n",next_cell);
 314
 315   ++next_cell;
 316   if(next_cell>=d->last_cell)
 317     return -1; // EOF
 318   if(d->cur_pgc->cell_playback[next_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK ) {
 319     next_cell+=dvd_angle;
 320     if(next_cell>=d->last_cell)
 321       return -1; // EOF
 322   }
 323   mp_msg(MSGT_DVD,MSGL_DBG2, "dvd_next_cell: next3=0x%X  \n",next_cell);
 324   return next_cell;
 325 }
 326
 327 static int dvd_read_sector(dvd_priv_t *d,unsigned char* data) {
 328   int len;
 329
 330   if(d->packs_left==0) {
 331     /**
 332      * If we're not at the end of this cell, we can determine the next
 333      * VOBU to display using the VOBU_SRI information section of the
 334      * DSI.  Using this value correctly follows the current angle,
 335      * avoiding the doubled scenes in The Matrix, and makes our life
 336      * really happy.
 337      *
 338      * Otherwise, we set our next address past the end of this cell to
 339      * force the code above to go to the next cell in the program.
 340      */
 341     if(d->dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL) {
 342        d->cur_pack= d->dsi_pack.dsi_gi.nv_pck_lbn + ( d->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
 343        mp_msg(MSGT_DVD,MSGL_DBG2, "Navi  new pos=0x%X  \n",d->cur_pack);
 344     } else {
 345       // end of cell! find next cell!
 346       mp_msg(MSGT_DVD,MSGL_V, "--- END OF CELL !!! ---\n");
 347       d->cur_pack=d->cell_last_pack+1;
 348     }
 349   }
 350
 351 read_next:
 352   if(d->cur_pack>d->cell_last_pack) {
 353     // end of cell!
 354     int next=dvd_next_cell(d);
 355     if(next>=0) {
 356       d->cur_cell=next;
 357       // if( d->cur_pgc->cell_playback[d->cur_cell].block_type
 358       // == BLOCK_TYPE_ANGLE_BLOCK ) d->cur_cell+=dvd_angle;
 359       d->cur_pack = d->cur_pgc->cell_playback[ d->cur_cell ].first_sector;
 360       d->cell_last_pack=d->cur_pgc->cell_playback[ d->cur_cell ].last_sector;
 361       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);
 362     } else
 363         return -1; // EOF
 364   }
 365
 366   len = DVDReadBlocks(d->title, d->cur_pack, 1, data);
 367   if(!len) return -1; //error
 368
 369   if(data[38]==0 && data[39]==0 && data[40]==1 && data[41]==0xBF &&
 370     data[1024]==0 && data[1025]==0 && data[1026]==1 && data[1027]==0xBF) {
 371        // found a Navi packet!!!
 372 #if DVDREAD_VERSION >= LIBDVDREAD_VERSION(0,9,0)
 373     navRead_DSI(&d->dsi_pack, &(data[ DSI_START_BYTE ]));
 374 #else
 375     navRead_DSI(&d->dsi_pack, &(data[ DSI_START_BYTE ]), sizeof(dsi_t));
 376 #endif
 377     if(d->cur_pack != d->dsi_pack.dsi_gi.nv_pck_lbn ) {
 378       mp_msg(MSGT_DVD,MSGL_V, "Invalid NAVI packet! lba=0x%X  navi=0x%X  \n",
 379         d->cur_pack,d->dsi_pack.dsi_gi.nv_pck_lbn);
 380     } else {
 381       // process!
 382       d->packs_left = d->dsi_pack.dsi_gi.vobu_ea;
 383       mp_msg(MSGT_DVD,MSGL_DBG2, "Found NAVI packet! lba=0x%X  len=%d  \n",d->cur_pack,d->packs_left);
 384       //navPrint_DSI(&d->dsi_pack);
 385       mp_msg(MSGT_DVD,MSGL_DBG3,"\r### CELL %d: Navi: %d/%d  IFO: %d/%d   \n",d->cur_cell,
 386         d->dsi_pack.dsi_gi.vobu_c_idn,d->dsi_pack.dsi_gi.vobu_vob_idn,
 387         d->cur_pgc->cell_position[d->cur_cell].cell_nr,
 388         d->cur_pgc->cell_position[d->cur_cell].vob_id_nr);
 389
 390       if(d->angle_seek) {
 391         int i,skip=0;
 392 #if defined(__GNUC__) && ( defined(__sparc__) || defined(hpux) )
 393         // workaround for a bug in the sparc/hpux version of gcc 2.95.X ... 3.2,
 394         // it generates incorrect code for unaligned access to a packed
 395         // structure member, resulting in an mplayer crash with a SIGBUS
 396         // signal.
 397         //
 398         // See also gcc problem report PR c/7847:
 399         // http://gcc.gnu.org/cgi-bin/gnatsweb.pl?database=gcc&cmd=view+audit-trail&pr=7847
 400         for(i=0;i<9;i++) {      // check if all values zero:
 401           typeof(d->dsi_pack.sml_agli.data[i].address) tmp_addr;
 402           memcpy(&tmp_addr,&d->dsi_pack.sml_agli.data[i].address,sizeof(tmp_addr));
 403           if((skip=tmp_addr)!=0) break;
 404         }
 405 #else
 406         for(i=0;i<9;i++)        // check if all values zero:
 407           if((skip=d->dsi_pack.sml_agli.data[i].address)!=0) break;
 408 #endif
 409         if(skip && skip!=0x7fffffff) {
 410           // sml_agli table has valid data (at least one non-zero):
 411          d->cur_pack=d->dsi_pack.dsi_gi.nv_pck_lbn+
 412          d->dsi_pack.sml_agli.data[dvd_angle].address;
 413          d->angle_seek=0;
 414          d->cur_pack--;
 415          mp_msg(MSGT_DVD,MSGL_V, "Angle-seek synced using sml_agli map!  new_lba=0x%X  \n",d->cur_pack);
 416         } else {
 417           // check if we're in the right cell, jump otherwise:
 418           if( (d->dsi_pack.dsi_gi.vobu_c_idn==d->cur_pgc->cell_position[d->cur_cell].cell_nr) &&
 419             (d->dsi_pack.dsi_gi.vobu_vob_idn==d->cur_pgc->cell_position[d->cur_cell].vob_id_nr) ){
 420             d->angle_seek=0;
 421             mp_msg(MSGT_DVD,MSGL_V, "Angle-seek synced by cell/vob IDN search!  \n");
 422           } else {
 423             // wrong angle, skip this vobu:
 424             d->cur_pack=d->dsi_pack.dsi_gi.nv_pck_lbn+
 425             d->dsi_pack.dsi_gi.vobu_ea;
 426             d->angle_seek=2; // DEBUG
 427           }
 428         }
 429       }
 430     }
 431     ++d->cur_pack;
 432     goto read_next;
 433   }
 434
 435   ++d->cur_pack;
 436   if(d->packs_left>=0) --d->packs_left;
 437
 438   if(d->angle_seek) {
 439     if(d->angle_seek==2) mp_msg(MSGT_DVD,MSGL_V, "!!! warning! reading packet while angle_seek !!!\n");
 440     goto read_next; // searching for Navi packet
 441   }
 442
 443   return d->cur_pack-1;
 444 }
 445
 446 static void dvd_seek(dvd_priv_t *d,int pos) {
 447   d->packs_left=-1;
 448   d->cur_pack=pos;
 449
 450   // check if we stay in current cell (speedup things, and avoid angle skip)
 451   if(d->cur_pack>d->cell_last_pack ||
 452      d->cur_pack<d->cur_pgc->cell_playback[ d->cur_cell ].first_sector) {
 453
 454     // ok, cell change, find the right cell!
 455     d->cur_cell=0;
 456     if(d->cur_pgc->cell_playback[d->cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
 457       d->cur_cell+=dvd_angle;
 458
 459     while(1) {
 460       int next;
 461       d->cell_last_pack=d->cur_pgc->cell_playback[ d->cur_cell ].last_sector;
 462       if(d->cur_pack<d->cur_pgc->cell_playback[ d->cur_cell ].first_sector) {
 463         d->cur_pack=d->cur_pgc->cell_playback[ d->cur_cell ].first_sector;
 464         break;
 465       }
 466       if(d->cur_pack<=d->cell_last_pack) break; // ok, we find it! :)
 467       next=dvd_next_cell(d);
 468       if(next<0) {
 469         //d->cur_pack=d->cell_last_pack+1;
 470         break; // we're after the last cell
 471       }
 472       d->cur_cell=next;
 473     }
 474   }
 475
 476   mp_msg(MSGT_DVD,MSGL_V, "DVD Seek! lba=0x%X  cell=%d  packs: 0x%X-0x%X  \n",
 477     d->cur_pack,d->cur_cell,d->cur_pgc->cell_playback[ d->cur_cell ].first_sector,d->cell_last_pack);
 478
 479   // if we're in interleaved multi-angle cell, find the right angle chain!
 480   // (read Navi block, and use the seamless angle jump table)
 481   d->angle_seek=1;
 482 }
 483
 484 static void dvd_close(dvd_priv_t *d) {
 485   ifoClose(d->vts_file);
 486   ifoClose(d->vmg_file);
 487   DVDCloseFile(d->title);
 488   DVDClose(d->dvd);
 489   dvd_chapter = 1;
 490   dvd_last_chapter = 0;
 491   dvd_set_speed(dvd_device_current, -1); /* -1 => restore default */
 492 }
 493
 494 static int fill_buffer(stream_t *s, char *but, int len)
 495 {
 496   if(s->type == STREAMTYPE_DVD) {
 497     off_t pos=dvd_read_sector(s->priv,s->buffer);
 498     if(pos>=0) {
 499       len=2048; // full sector
 500       s->pos=2048*pos-len;
 501     } else len=-1; // error
 502   }
 503   return len;
 504 }
 505
 506 static int seek(stream_t *s, off_t newpos) {
 507   s->pos=newpos; // real seek
 508   dvd_seek(s->priv,s->pos/2048);
 509   return 1;
 510 }
 511
 512 static void stream_dvd_close(stream_t *s) {
 513   dvd_close(s->priv);
 514 }
 515
 516 static int mp_get_titleset_length(ifo_handle_t *vts_file, tt_srpt_t *tt_srpt, int title_no)
 517 {
 518     int vts_ttn;  ///< title number within video title set
 519     int pgc_no;   ///< program chain number
 520     int msec;     ///< time length in milliseconds
 521
 522     msec=0;
 523     if(!vts_file || !tt_srpt)
 524         return 0;
 525
 526     if(vts_file->vtsi_mat && vts_file->vts_pgcit)
 527     {
 528             vts_ttn = tt_srpt->title[title_no].vts_ttn - 1;
 529             pgc_no = vts_file->vts_ptt_srpt->title[vts_ttn].ptt[0].pgcn - 1;
 530             msec = mp_dvdtimetomsec(&vts_file->vts_pgcit->pgci_srp[pgc_no].pgc->playback_time);
 531     }
 532     return msec;
 533 }
 534
 535
 536 static int mp_describe_titleset(dvd_reader_t *dvd, tt_srpt_t *tt_srpt, int vts_no)
 537 {
 538     ifo_handle_t *vts_file;
 539     int title_no, msec=0;
 540
 541     vts_file = ifoOpen(dvd, vts_no);
 542     if(!vts_file)
 543         return 0;
 544
 545     if(!vts_file->vtsi_mat || !vts_file->vts_pgcit)
 546     {
 547         ifoClose(vts_file);
 548         return 0;
 549     }
 550
 551     for(title_no = 0; title_no < tt_srpt->nr_of_srpts; title_no++)
 552     {
 553         if (tt_srpt->title[title_no].title_set_nr != vts_no)
 554             continue;
 555         msec = mp_get_titleset_length(vts_file, tt_srpt, title_no);
 556         mp_msg(MSGT_IDENTIFY, MSGL_V, "ID_DVD_TITLE_%d_LENGTH=%d.%03d\n", title_no + 1, msec / 1000, msec % 1000);
 557     }
 558     ifoClose(vts_file);
 559     return 1;
 560 }
 561
 562 static int seek_to_chapter(stream_t *stream, ifo_handle_t *vts_file, tt_srpt_t *tt_srpt, int title_no, int chapter)
 563 {
 564     int cell;
 565     ptt_info_t ptt;
 566     pgc_t *pgc;
 567     off_t pos;
 568
 569     if(!vts_file || !tt_srpt)
 570        return 0;
 571
 572     if(chapter < 0 || chapter > vts_file->vts_ptt_srpt->title[title_no].nr_of_ptts-1) //no such chapter
 573        return 0;
 574
 575     ptt = vts_file->vts_ptt_srpt->title[title_no].ptt[chapter];
 576     pgc = vts_file->vts_pgcit->pgci_srp[ptt.pgcn-1].pgc;
 577
 578     cell = pgc->program_map[ptt.pgn - 1] - 1;
 579     pos = (off_t) pgc->cell_playback[cell].first_sector * 2048;
 580     mp_msg(MSGT_OPEN,MSGL_V,"\r\nSTREAM_DVD, seeked to chapter: %d, cell: %u, pos: %"PRIu64"\n",
 581         chapter, pgc->cell_playback[cell].first_sector, pos);
 582     stream_seek(stream, pos);
 583
 584     return chapter;
 585 }
 586
 587 static void list_chapters(pgc_t *pgc)
 588 {
 589     unsigned int i, cell;
 590     unsigned int t=0, t2=0;
 591
 592     if(pgc->nr_of_programs < 2)
 593        return;
 594
 595     mp_msg(MSGT_IDENTIFY, MSGL_INFO, "CHAPTERS: ");
 596     for(i=0; i<pgc->nr_of_programs; i++)
 597     {
 598         cell = pgc->program_map[i]; //here the cell is 1-based
 599         t2 = t/1000;
 600         mp_msg(MSGT_IDENTIFY, MSGL_INFO, "%02d:%02d:%02d,", t2/3600, (t2/60)%60, t2%60);
 601         while(i+1<pgc->nr_of_programs && cell < pgc->program_map[i+1]) {
 602             if(!(pgc->cell_playback[cell-1].block_type == BLOCK_TYPE_ANGLE_BLOCK &&
 603                  pgc->cell_playback[cell-1].block_mode != BLOCK_MODE_FIRST_CELL)
 604             )
 605                 t += mp_dvdtimetomsec(&pgc->cell_playback[cell-1].playback_time);
 606             cell++;
 607         }
 608     }
 609     mp_msg(MSGT_IDENTIFY, MSGL_INFO, "\n");
 610 }
 611
 612 static double dvd_get_current_time(stream_t *stream, int cell)
 613 {
 614     int i, tm;
 615     dvd_priv_t *d = stream->priv;
 616
 617     tm=0;
 618     if(!cell) cell=d->cur_cell;
 619     for(i=0; i<d->cur_cell; i++) {
 620         if(d->cur_pgc->cell_playback[i].block_type == BLOCK_TYPE_ANGLE_BLOCK &&
 621            d->cur_pgc->cell_playback[i].block_mode != BLOCK_MODE_FIRST_CELL
 622         )
 623           continue;
 624         tm += d->cell_times_table[i];
 625     }
 626     tm += mp_dvdtimetomsec(&d->dsi_pack.dsi_gi.c_eltm);
 627
 628     return (double)tm/1000.0;
 629 }
 630
 631 static int dvd_seek_to_time(stream_t *stream, ifo_handle_t *vts_file, double sec)
 632 {
 633     unsigned int i, j, k, timeunit, ac_time, tmap_sector=0, cell_sector=0, vobu_sector=0;
 634     int t=0;
 635     double tm, duration;
 636     off_t pos = -1;
 637     dvd_priv_t *d = stream->priv;
 638     vts_tmapt_t *vts_tmapt = vts_file->vts_tmapt;
 639
 640     if(!vts_file->vts_tmapt || sec < 0)
 641         return 0;
 642
 643     duration = (double) mp_get_titleset_length(d->vts_file, d->tt_srpt, d->cur_title-1) / 1000.0f;
 644     if(sec > duration)
 645       return 0;
 646
 647     i=d->cur_pgc_idx;
 648     timeunit = vts_tmapt->tmap[i].tmu;
 649     for(j = 0; j < vts_tmapt->tmap[i].nr_of_entries; j++) {
 650       ac_time = timeunit * (j + 1);
 651       if(ac_time >= sec)
 652         break;
 653       tmap_sector = vts_tmapt->tmap[i].map_ent[j] & 0x7fffffff;
 654     }
 655     //search enclosing cell
 656     for(i=0; i<d->cur_pgc->nr_of_cells; i++) {
 657       if(tmap_sector >= d->cur_pgc->cell_playback[i].first_sector && tmap_sector <= d->cur_pgc->cell_playback[i].last_sector) {
 658         cell_sector = d->cur_pgc->cell_playback[i].first_sector;
 659         break;
 660       }
 661     }
 662
 663     pos = ((off_t)cell_sector)<<11;
 664     stream_seek(stream, pos);
 665     do {
 666       stream_skip(stream, 2048);
 667       t = mp_dvdtimetomsec(&d->dsi_pack.dsi_gi.c_eltm);
 668     } while(!t);
 669     tm = dvd_get_current_time(stream, 0);
 670
 671     pos = ((off_t)tmap_sector)<<11;
 672     stream_seek(stream, pos);
 673     //now get current time in terms of the cell+cell time offset
 674     memset(&d->dsi_pack.dsi_gi.c_eltm, 0, sizeof(dvd_time_t));
 675     while(tm <= sec) {
 676         if(!stream_skip(stream, 2048))
 677           break;
 678         tm = dvd_get_current_time(stream, 0);
 679     };
 680     tmap_sector = stream->pos >> 11;
 681
 682     //search closest VOBU sector
 683     k=(vts_file->vts_vobu_admap->last_byte + 1 - VOBU_ADMAP_SIZE)/4; //entries in the vobu admap
 684     for(i=1; i<k; i++) {
 685       if(vts_file->vts_vobu_admap->vobu_start_sectors[i] > tmap_sector)
 686         break;
 687     }
 688     vobu_sector = vts_file->vts_vobu_admap->vobu_start_sectors[i-1];
 689     pos = ((off_t)vobu_sector) << 11;
 690     stream_seek(stream, pos);
 691
 692     return 1;
 693 }
 694
 695 static int control(stream_t *stream,int cmd,void* arg)
 696 {
 697     dvd_priv_t *d = stream->priv;
 698     switch(cmd)
 699     {
 700         case STREAM_CTRL_GET_TIME_LENGTH:
 701         {
 702             *((double *)arg) = (double) mp_get_titleset_length(d->vts_file, d->tt_srpt, d->cur_title-1)/1000.0;
 703             return 1;
 704         }
 705         case STREAM_CTRL_GET_NUM_CHAPTERS:
 706         {
 707             if(! d->cur_pgc->nr_of_programs) return STREAM_UNSUPPORTED;
 708             *((unsigned int *)arg) = d->cur_pgc->nr_of_programs;
 709             return 1;
 710         }
 711         case STREAM_CTRL_SEEK_TO_CHAPTER:
 712         {
 713             int r;
 714             r = seek_to_chapter(stream, d->vts_file, d->tt_srpt, d->cur_title-1, *((unsigned int *)arg));
 715             if(! r) return STREAM_UNSUPPORTED;
 716
 717             return 1;
 718         }
 719         case STREAM_CTRL_GET_CURRENT_CHAPTER:
 720         {
 721             *((unsigned int *)arg) = dvd_chapter_from_cell(d, d->cur_title-1, d->cur_cell);
 722             return 1;
 723         }
 724         case STREAM_CTRL_GET_CURRENT_TIME:
 725         {
 726             double tm;
 727             tm = dvd_get_current_time(stream, 0);
 728             if(tm != -1) {
 729               *((double *)arg) = tm;
 730               return 1;
 731             }
 732             break;
 733         }
 734         case STREAM_CTRL_SEEK_TO_TIME:
 735         {
 736             if(dvd_seek_to_time(stream, d->vts_file, *((double*)arg)))
 737               return 1;
 738             break;
 739         }
 740         case STREAM_CTRL_GET_ASPECT_RATIO:
 741         {
 742             *((double *)arg) = !d->vts_file->vtsi_mat->vts_video_attr.display_aspect_ratio ? 4.0/3.0 : 16.0/9.0;
 743             return 1;
 744         }
 745         case STREAM_CTRL_GET_NUM_ANGLES:
 746         {
 747             *((int *)arg) = d->vmg_file->tt_srpt->title[dvd_title].nr_of_angles;
 748             return 1;
 749         }
 750         case STREAM_CTRL_GET_ANGLE:
 751         {
 752             *((int *)arg) = dvd_angle+1;
 753             return 1;
 754         }
 755         case STREAM_CTRL_SET_ANGLE:
 756         {
 757             int ang = *((int *)arg);
 758             if(ang>d->vmg_file->tt_srpt->title[dvd_title].nr_of_angles || ang<=0)
 759                 break;
 760             dvd_angle = ang - 1;
 761             d->angle_seek = 1;
 762             return 1;
 763         }
 764     }
 765     return STREAM_UNSUPPORTED;
 766 }
 767
 768
 769 static int open_s(stream_t *stream,int mode, void* opts, int* file_format) {
 770   struct stream_priv_s* p = (struct stream_priv_s*)opts;
 771   int k;
 772
 773   mp_msg(MSGT_OPEN,MSGL_V,"URL: %s\n", stream->url);
 774   dvd_title = p->title;
 775   if(1){
 776     //int ret,ret2;
 777     dvd_priv_t *d;
 778     int ttn,pgc_id,pgn;
 779     dvd_reader_t *dvd;
 780     dvd_file_t *title;
 781     ifo_handle_t *vmg_file;
 782     tt_srpt_t *tt_srpt;
 783     ifo_handle_t *vts_file;
 784     pgc_t *pgc;
 785     /**
 786      * Open the disc.
 787      */
 788     if(p->device)
 789       dvd_device_current = p->device;
 790     else if(dvd_device)
 791       dvd_device_current = dvd_device;
 792     else
 793       dvd_device_current = DEFAULT_DVD_DEVICE;
 794     dvd_set_speed(dvd_device_current, dvd_speed);
 795 #if defined(__APPLE__) || defined(__DARWIN__)
 796     /* Dynamic DVD drive selection on Darwin */
 797     if(!strcmp(dvd_device_current, "/dev/rdiskN")) {
 798       int i;
 799       size_t len = strlen(dvd_device_current)+1;
 800       char *temp_device = malloc(len);
 801
 802       for (i = 1; i < 10; i++) {
 803         snprintf(temp_device, len, "/dev/rdisk%d", i);
 804         dvd = DVDOpen(temp_device);
 805         if(!dvd) {
 806           mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_CantOpenDVD,temp_device, strerror(errno));
 807         } else {
 808 #if DVDREAD_VERSION <= LIBDVDREAD_VERSION(0,9,4)
 809           dvd_file_t *dvdfile = DVDOpenFile(dvd,dvd_title,DVD_READ_INFO_FILE);
 810           if(!dvdfile) {
 811             mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_CantOpenDVD,temp_device, strerror(errno));
 812             DVDClose(dvd);
 813             continue;
 814           }
 815           DVDCloseFile(dvdfile);
 816 #endif
 817           break;
 818         }
 819       }
 820       free(temp_device);
 821
 822       if(!dvd) {
 823         m_struct_free(&stream_opts,opts);
 824         return STREAM_UNSUPPORTED;
 825       }
 826     } else
 827 #endif /* defined(__APPLE__) || defined(__DARWIN__) */
 828     {
 829         dvd = DVDOpen(dvd_device_current);
 830         if(!dvd) {
 831           mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_CantOpenDVD,dvd_device_current, strerror(errno));
 832           m_struct_free(&stream_opts,opts);
 833           return STREAM_UNSUPPORTED;
 834         }
 835     }
 836
 837     mp_msg(MSGT_OPEN,MSGL_V,"Reading disc structure, please wait...\n");
 838
 839     /**
 840      * Load the video manager to find out the information about the titles on
 841      * this disc.
 842      */
 843     vmg_file = ifoOpen(dvd, 0);
 844     if(!vmg_file) {
 845       mp_msg(MSGT_OPEN,MSGL_ERR, MSGTR_DVDnoVMG);
 846       DVDClose( dvd );
 847       m_struct_free(&stream_opts,opts);
 848       return STREAM_UNSUPPORTED;
 849     }
 850     tt_srpt = vmg_file->tt_srpt;
 851     if (mp_msg_test(MSGT_IDENTIFY, MSGL_INFO))
 852     {
 853       int title_no; ///< title number
 854       mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_DVD_TITLES=%d\n", tt_srpt->nr_of_srpts);
 855       for (title_no = 0; title_no < tt_srpt->nr_of_srpts; title_no++)
 856       {
 857         mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_DVD_TITLE_%d_CHAPTERS=%d\n", title_no + 1, tt_srpt->title[title_no].nr_of_ptts);
 858         mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_DVD_TITLE_%d_ANGLES=%d\n", title_no + 1, tt_srpt->title[title_no].nr_of_angles);
 859       }
 860     }
 861     if (mp_msg_test(MSGT_IDENTIFY, MSGL_V))
 862     {
 863       char volid[32];
 864       unsigned char discid [16]; ///< disk ID, a 128 bit MD5 sum
 865       int vts_no;   ///< video title set number
 866       for (vts_no = 1; vts_no <= vmg_file->vts_atrt->nr_of_vtss; vts_no++)
 867         mp_describe_titleset(dvd, tt_srpt, vts_no);
 868       if (DVDDiscID(dvd, discid) >= 0)
 869       {
 870         int i;
 871         mp_msg(MSGT_IDENTIFY, MSGL_V, "ID_DVD_DISC_ID=");
 872         for (i = 0; i < 16; i ++)
 873           mp_msg(MSGT_IDENTIFY, MSGL_V, "%02X", discid[i]);
 874         mp_msg(MSGT_IDENTIFY, MSGL_V, "\n");
 875       }
 876       if (DVDUDFVolumeInfo(dvd, volid, sizeof(volid), NULL, 0) >= 0)
 877         mp_msg(MSGT_IDENTIFY, MSGL_V, "ID_DVD_VOLUME_ID=%s\n", volid);
 878     }
 879     /**
 880      * Make sure our title number is valid.
 881      */
 882     mp_msg(MSGT_OPEN,MSGL_STATUS, MSGTR_DVDnumTitles, tt_srpt->nr_of_srpts );
 883     if(dvd_title < 1 || dvd_title > tt_srpt->nr_of_srpts) {
 884       mp_msg(MSGT_OPEN,MSGL_ERR, MSGTR_DVDinvalidTitle, dvd_title);
 885       ifoClose( vmg_file );
 886       DVDClose( dvd );
 887       m_struct_free(&stream_opts,opts);
 888       return STREAM_UNSUPPORTED;
 889     }
 890     mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_DVD_CURRENT_TITLE=%d\n", dvd_title);
 891     --dvd_title; // remap 1.. -> 0..
 892     /**
 893      * Make sure the angle number is valid for this title.
 894      */
 895     mp_msg(MSGT_OPEN,MSGL_STATUS, MSGTR_DVDnumAngles, tt_srpt->title[dvd_title].nr_of_angles);
 896     if(dvd_angle<1 || dvd_angle>tt_srpt->title[dvd_title].nr_of_angles) {
 897       mp_msg(MSGT_OPEN,MSGL_ERR, MSGTR_DVDinvalidAngle, dvd_angle);
 898       goto fail;
 899     }
 900     --dvd_angle; // remap 1.. -> 0..
 901
 902     ttn = tt_srpt->title[dvd_title].vts_ttn - 1;
 903     /**
 904      * Load the VTS information for the title set our title is in.
 905      */
 906     vts_file = ifoOpen( dvd, tt_srpt->title[dvd_title].title_set_nr );
 907     if(!vts_file) {
 908       mp_msg(MSGT_OPEN,MSGL_ERR, MSGTR_DVDnoIFO, tt_srpt->title[dvd_title].title_set_nr );
 909       goto fail;
 910     }
 911     /**
 912      * We've got enough info, time to open the title set data.
 913      */
 914     title = DVDOpenFile(dvd, tt_srpt->title[dvd_title].title_set_nr, DVD_READ_TITLE_VOBS);
 915     if(!title) {
 916       mp_msg(MSGT_OPEN,MSGL_ERR, MSGTR_DVDnoVOBs, tt_srpt->title[dvd_title].title_set_nr);
 917       ifoClose( vts_file );
 918       goto fail;
 919     }
 920
 921     mp_msg(MSGT_OPEN,MSGL_V, "DVD successfully opened.\n");
 922     // store data
 923     d=malloc(sizeof(dvd_priv_t)); memset(d,0,sizeof(dvd_priv_t));
 924     d->dvd=dvd;
 925     d->title=title;
 926     d->vmg_file=vmg_file;
 927     d->tt_srpt=tt_srpt;
 928     d->vts_file=vts_file;
 929     d->cur_title = dvd_title+1;
 930
 931     pgc = vts_file->vts_pgcit ? vts_file->vts_pgcit->pgci_srp[ttn].pgc : NULL;
 932     /**
 933      * Check number of audio channels and types
 934      */
 935     {
 936       d->nr_of_channels=0;
 937       if(vts_file->vts_pgcit) {
 938         int i;
 939         for(i=0;i<8;i++)
 940           if(pgc->audio_control[i] & 0x8000) {
 941             audio_attr_t * audio = &vts_file->vtsi_mat->vts_audio_attr[i];
 942             int language = 0;
 943             char tmp[] = "unknown";
 944             stream_language_t *audio_stream = &d->audio_streams[d->nr_of_channels];
 945
 946             if(audio->lang_type == 1) {
 947               language=audio->lang_code;
 948               tmp[0]=language>>8;
 949               tmp[1]=language&0xff;
 950               tmp[2]=0;
 951             }
 952
 953             audio_stream->language=language;
 954             audio_stream->id=pgc->audio_control[i] >> 8 & 7;
 955             switch(audio->audio_format) {
 956               case 0: // ac3
 957                 audio_stream->id+=FIRST_AC3_AID;
 958                 break;
 959               case 6: // dts
 960                 audio_stream->id+=FIRST_DTS_AID;
 961                 break;
 962               case 2: // mpeg layer 1/2/3
 963               case 3: // mpeg2 ext
 964                 audio_stream->id+=FIRST_MPG_AID;
 965                 break;
 966               case 4: // lpcm
 967                 audio_stream->id+=FIRST_PCM_AID;
 968                 break;
 969            }
 970
 971            audio_stream->type=audio->audio_format;
 972            // Pontscho: to my mind, tha channels:
 973            //  1 - stereo
 974            //  5 - 5.1
 975            audio_stream->channels=audio->channels;
 976            mp_msg(MSGT_OPEN,MSGL_STATUS,MSGTR_DVDaudioStreamInfo,
 977              d->nr_of_channels,
 978              dvd_audio_stream_types[ audio->audio_format ],
 979              dvd_audio_stream_channels[ audio->channels ],
 980              tmp,
 981              audio_stream->id
 982            );
 983            mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_AUDIO_ID=%d\n", audio_stream->id);
 984            if(language && tmp[0])
 985              mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_AID_%d_LANG=%s\n", audio_stream->id, tmp);
 986
 987            d->nr_of_channels++;
 988          }
 989       }
 990       mp_msg(MSGT_OPEN,MSGL_STATUS,MSGTR_DVDnumAudioChannels,d->nr_of_channels );
 991     }
 992
 993     /**
 994      * Check number of subtitles and language
 995      */
 996     {
 997       int i;
 998
 999       d->nr_of_subtitles=0;
1000       for(i=0;i<32;i++)
1001       if(pgc->subp_control[i] & 0x80000000) {
1002         subp_attr_t * subtitle = &vts_file->vtsi_mat->vts_subp_attr[i];
1003         video_attr_t *video = &vts_file->vtsi_mat->vts_video_attr;
1004         int language = 0;
1005         char tmp[] = "unknown";
1006         stream_language_t *sub_stream = &d->subtitles[d->nr_of_subtitles];
1007
1008         if(subtitle->type == 1) {
1009           language=subtitle->lang_code;
1010           tmp[0]=language>>8;
1011           tmp[1]=language&0xff;
1012           tmp[2]=0;
1013         }
1014
1015         sub_stream->language=language;
1016         sub_stream->id=d->nr_of_subtitles;
1017         if(video->display_aspect_ratio == 0) /* 4:3 */
1018           sub_stream->id = pgc->subp_control[i] >> 24 & 31;
1019         else if(video->display_aspect_ratio == 3) /* 16:9 */
1020           sub_stream->id = pgc->subp_control[i] >> 8 & 31;
1021
1022         mp_msg(MSGT_OPEN,MSGL_STATUS,MSGTR_DVDsubtitleLanguage, sub_stream->id, tmp);
1023         mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_SUBTITLE_ID=%d\n", sub_stream->id);
1024         if(language && tmp[0])
1025           mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_SID_%d_LANG=%s\n", sub_stream->id, tmp);
1026         d->nr_of_subtitles++;
1027       }
1028       mp_msg(MSGT_OPEN,MSGL_STATUS,MSGTR_DVDnumSubtitles,d->nr_of_subtitles);
1029     }
1030
1031     /**
1032      * Determine which program chain we want to watch.  This is based on the
1033      * chapter number.
1034      */
1035     pgc_id = vts_file->vts_ptt_srpt->title[ttn].ptt[0].pgcn; // local
1036     pgn  = vts_file->vts_ptt_srpt->title[ttn].ptt[0].pgn;  // local
1037     d->cur_pgc_idx = pgc_id-1;
1038     d->cur_pgc = vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc;
1039     d->cur_cell = d->cur_pgc->program_map[pgn-1] - 1; // start playback here
1040     d->packs_left=-1;      // for Navi stuff
1041     d->angle_seek=0;
1042       d->last_cell=d->cur_pgc->nr_of_cells;
1043
1044     if(d->cur_pgc->cell_playback[d->cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
1045       d->cur_cell+=dvd_angle;
1046     d->cur_pack = d->cur_pgc->cell_playback[ d->cur_cell ].first_sector;
1047     d->cell_last_pack=d->cur_pgc->cell_playback[ d->cur_cell ].last_sector;
1048     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);
1049
1050     //assign cell_times_table
1051     d->cell_times_table = malloc(sizeof(unsigned int) * d->cur_pgc->nr_of_cells);
1052     if(d->cell_times_table == NULL)
1053       return STREAM_UNSUPPORTED;
1054     for(k=0; k<d->cur_pgc->nr_of_cells; k++)
1055       d->cell_times_table[k] = mp_dvdtimetomsec(&d->cur_pgc->cell_playback[k].playback_time);
1056     list_chapters(d->cur_pgc);
1057
1058     // ... (unimplemented)
1059     //    return NULL;
1060     stream->type = STREAMTYPE_DVD;
1061     stream->sector_size = 2048;
1062     stream->flags = STREAM_READ | STREAM_SEEK;
1063     stream->fill_buffer = fill_buffer;
1064     stream->seek = seek;
1065     stream->control = control;
1066     stream->close = stream_dvd_close;
1067     stream->start_pos = (off_t)d->cur_pack*2048;
1068     stream->end_pos = (off_t)(d->cur_pgc->cell_playback[d->last_cell-1].last_sector)*2048;
1069     *file_format = DEMUXER_TYPE_MPEG_PS;
1070     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);
1071     stream->priv = (void*)d;
1072     return STREAM_OK;
1073
1074 fail:
1075       ifoClose(vmg_file);
1076       DVDClose(dvd);
1077       m_struct_free(&stream_opts, opts);
1078       return STREAM_UNSUPPORTED;
1079   }
1080   mp_msg(MSGT_DVD,MSGL_ERR,MSGTR_NoDVDSupport);
1081   m_struct_free(&stream_opts,opts);
1082   return STREAM_UNSUPPORTED;
1083 }
1084
1085 static int ifo_stream_open (stream_t *stream, int mode, void *opts, int *file_format)
1086 {
1087     char *ext;
1088     char* filename;
1089     struct stream_priv_s *spriv;
1090
1091     ext = strrchr (stream->url, '.');
1092     if (!ext || strcasecmp (ext + 1, "ifo"))
1093         return STREAM_UNSUPPORTED;
1094
1095     mp_msg(MSGT_DVD, MSGL_INFO, ".IFO detected. Redirecting to dvd://\n");
1096
1097     filename = strdup(basename(stream->url));
1098
1099     spriv=calloc(1, sizeof(struct stream_priv_s));
1100     spriv->device = strdup(dirname(stream->url));
1101     if(!strncasecmp(filename,"vts_",4))
1102     {
1103         if(sscanf(filename+3, "_%02d_", &spriv->title)!=1)
1104             spriv->title=1;
1105     }else
1106         spriv->title=1;
1107
1108     free(filename);
1109     free(stream->url);
1110     stream->url=strdup("dvd://");
1111
1112     return open_s(stream, mode, spriv, file_format);
1113 }
1114
1115 const stream_info_t stream_info_dvd = {
1116   "DVD stream",
1117   "null",
1118   "",
1119   "",
1120   open_s,
1121   { "dvd", NULL },
1122   &stream_opts,
1123   1 // Urls are an option string
1124 };
1125
1126 const stream_info_t stream_info_ifo = {
1127   "DVD IFO input",
1128   "ifo",
1129   "Benjamin Zores",
1130   "Mostly used to play DVDs on disk through OSD Menu",
1131   ifo_stream_open,
1132   { "file", "", NULL },
1133   NULL,
1134   0
1135 };