libmpdemux/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 #define FIRST_AC3_AID 128
  20 #define FIRST_DTS_AID 136
  21 #define FIRST_MPG_AID 0
  22 #define FIRST_PCM_AID 160
  23
  24 #include "stream.h"
  25 #include "m_option.h"
  26 #include "m_struct.h"
  27
  28 /// We keep these 2 for the gui atm, but they will be removed.
  29 extern int dvd_title;
  30 extern int dvd_chapter;
  31 extern int dvd_last_chapter;
  32 extern char* dvd_device;
  33 int dvd_angle=1;
  34
  35 #ifdef HAVE_DVD
  36 #ifdef USE_DVDREAD
  37 #define LIBDVDREAD_VERSION(maj,min,micro)       ((maj)*10000 + (min)*100 + (micro))
  38 /*
  39  * Try to autodetect the libdvd-0.9.0 library
  40  * (0.9.0 removed the <dvdread/dvd_udf.h> header, and moved the two defines
  41  * DVD_VIDEO_LB_LEN and MAX_UDF_FILE_NAME_LEN from it to
  42  * <dvdread/dvd_reader.h>)
  43  */
  44 #ifndef DVDREAD_VERSION
  45 #if defined(DVD_VIDEO_LB_LEN) && defined(MAX_UDF_FILE_NAME_LEN)
  46 #define DVDREAD_VERSION LIBDVDREAD_VERSION(0,9,0)
  47 #else
  48 #define DVDREAD_VERSION LIBDVDREAD_VERSION(0,8,0)
  49 #endif
  50 #endif
  51
  52 char * dvd_audio_stream_types[8] = { "ac3","unknown","mpeg1","mpeg2ext","lpcm","unknown","dts" };
  53 char * dvd_audio_stream_channels[6] = { "mono", "stereo", "unknown", "unknown", "5.1/6.1", "5.1" };
  54 #endif
  55
  56
  57 static struct stream_priv_s {
  58   int title;
  59 } stream_priv_dflts = {
  60   1
  61 };
  62
  63 #define ST_OFF(f) M_ST_OFF(struct stream_priv_s,f)
  64 /// URL definition
  65 static m_option_t stream_opts_fields[] = {
  66   { "hostname", ST_OFF(title), CONF_TYPE_INT, M_OPT_MIN, 1, 0, NULL },
  67   { NULL, NULL, 0, 0, 0, 0,  NULL }
  68 };
  69 static struct m_struct_st stream_opts = {
  70   "dvd",
  71   sizeof(struct stream_priv_s),
  72   &stream_priv_dflts,
  73   stream_opts_fields
  74 };
  75
  76 int dvd_parse_chapter_range(m_option_t *conf, const char *range) {
  77   const char *s;
  78   char *t;
  79   if (!range)
  80     return M_OPT_MISSING_PARAM;
  81   s = range;
  82   dvd_chapter = 1;
  83   dvd_last_chapter = 0;
  84   if(*range && isdigit(*range)) {
  85     dvd_chapter = strtol(range, &s, 10);
  86     if(range == s) {
  87       mp_msg(MSGT_OPEN, MSGL_ERR, MSGTR_DVDinvalidChapterRange, range);
  88       return M_OPT_INVALID;
  89     }
  90   }
  91   if(*s == 0)
  92     return 0;
  93   else if(*s != '-') {
  94     mp_msg(MSGT_OPEN, MSGL_ERR, MSGTR_DVDinvalidChapterRange, range);
  95     return M_OPT_INVALID;
  96   }
  97   ++s;
  98   if(*s == 0)
  99       return 0;
 100   if(! isdigit(*s)) {
 101     mp_msg(MSGT_OPEN, MSGL_ERR, MSGTR_DVDinvalidChapterRange, range);
 102     return M_OPT_INVALID;
 103   }
 104   dvd_last_chapter = strtol(s, &t, 10);
 105   if (s == t || *t) {
 106     mp_msg(MSGT_OPEN, MSGL_ERR, MSGTR_DVDinvalidChapterRange, range);
 107     return M_OPT_INVALID;
 108   }
 109   return 0;
 110 }
 111
 112 #ifdef USE_DVDREAD
 113 int dvd_chapter_from_cell(dvd_priv_t* dvd,int title,int cell)
 114 {
 115   pgc_t * cur_pgc;
 116   ptt_info_t* ptt;
 117   int chapter = cell;
 118   int pgc_id,pgn;
 119   if(title < 0 || cell < 0){
 120     return 0;
 121   }
 122   /* for most DVD's chapter == cell */
 123   /* but there are more complecated cases... */
 124   if(chapter >= dvd->vmg_file->tt_srpt->title[title].nr_of_ptts) {
 125     chapter = dvd->vmg_file->tt_srpt->title[title].nr_of_ptts-1;
 126   }
 127   title = dvd->tt_srpt->title[title].vts_ttn-1;
 128   ptt = dvd->vts_file->vts_ptt_srpt->title[title].ptt;
 129   while(chapter >= 0) {
 130     pgc_id = ptt[chapter].pgcn;
 131     pgn = ptt[chapter].pgn;
 132     cur_pgc = dvd->vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc;
 133     if(cell >= cur_pgc->program_map[pgn-1]-1) {
 134       return chapter;
 135     }
 136     --chapter;
 137   }
 138   /* didn't find a chapter ??? */
 139   return chapter;
 140 }
 141
 142 int dvd_aid_from_lang(stream_t *stream, unsigned char* lang) {
 143   dvd_priv_t *d=stream->priv;
 144   int code,i;
 145   if(lang) {
 146     while(strlen(lang)>=2) {
 147       code=lang[1]|(lang[0]<<8);
 148       for(i=0;i<d->nr_of_channels;i++) {
 149         if(d->audio_streams[i].language==code) {
 150           mp_msg(MSGT_OPEN,MSGL_INFO,MSGTR_DVDaudioChannel,
 151           d->audio_streams[i].id, lang[0],lang[1]);
 152           return d->audio_streams[i].id;
 153         }
 154         //printf("%X != %X  (%c%c)\n",code,d->audio_streams[i].language,lang[0],lang[1]);
 155       }
 156       lang+=2; while (lang[0]==',' || lang[0]==' ') ++lang;
 157     }
 158     mp_msg(MSGT_OPEN,MSGL_WARN,MSGTR_DVDnoMatchingAudio);
 159   }
 160   return -1;
 161 }
 162
 163 int dvd_number_of_subs(stream_t *stream) {
 164   dvd_priv_t *d;
 165   if (!stream) return -1;
 166   d = stream->priv;
 167   if (!d) return -1;
 168   return d->nr_of_subtitles;
 169 }
 170
 171 int dvd_lang_from_sid(stream_t *stream, int id) {
 172   dvd_priv_t *d;
 173   if (!stream) return 0;
 174   d = stream->priv;
 175   if (!d) return 0;
 176   if (id >= d->nr_of_subtitles) return 0;
 177   return d->subtitles[id].language;
 178 }
 179
 180 int dvd_sid_from_lang(stream_t *stream, unsigned char* lang) {
 181   dvd_priv_t *d=stream->priv;
 182   int code,i;
 183   while(lang && strlen(lang)>=2) {
 184     code=lang[1]|(lang[0]<<8);
 185     for(i=0;i<d->nr_of_subtitles;i++) {
 186       if(d->subtitles[i].language==code) {
 187         mp_msg(MSGT_OPEN,MSGL_INFO,MSGTR_DVDsubtitleChannel, i, lang[0],lang[1]);
 188         return i;
 189       }
 190     }
 191     lang+=2;
 192     while (lang[0]==',' || lang[0]==' ') ++lang;
 193   }
 194   mp_msg(MSGT_OPEN,MSGL_WARN,MSGTR_DVDnoMatchingSubtitle);
 195   return -1;
 196 }
 197
 198 static int dvd_next_cell(dvd_priv_t *d) {
 199   int next_cell=d->cur_cell;
 200
 201   mp_msg(MSGT_DVD,MSGL_DBG2, "dvd_next_cell: next1=0x%X  \n",next_cell);
 202   if( d->cur_pgc->cell_playback[ next_cell ].block_type == BLOCK_TYPE_ANGLE_BLOCK ) {
 203     while(next_cell<d->last_cell) {
 204       if( d->cur_pgc->cell_playback[next_cell].block_mode == BLOCK_MODE_LAST_CELL )
 205         break;
 206       ++next_cell;
 207     }
 208   }
 209   mp_msg(MSGT_DVD,MSGL_DBG2, "dvd_next_cell: next2=0x%X  \n",next_cell);
 210
 211   ++next_cell;
 212   if(next_cell>=d->last_cell)
 213     return -1; // EOF
 214   if(d->cur_pgc->cell_playback[next_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK ) {
 215     next_cell+=dvd_angle;
 216     if(next_cell>=d->last_cell)
 217       return -1; // EOF
 218   }
 219   mp_msg(MSGT_DVD,MSGL_DBG2, "dvd_next_cell: next3=0x%X  \n",next_cell);
 220   return next_cell;
 221 }
 222
 223 int dvd_read_sector(dvd_priv_t *d,unsigned char* data) {
 224   int len;
 225
 226   if(d->packs_left==0) {
 227     /**
 228      * If we're not at the end of this cell, we can determine the next
 229      * VOBU to display using the VOBU_SRI information section of the
 230      * DSI.  Using this value correctly follows the current angle,
 231      * avoiding the doubled scenes in The Matrix, and makes our life
 232      * really happy.
 233      *
 234      * Otherwise, we set our next address past the end of this cell to
 235      * force the code above to go to the next cell in the program.
 236      */
 237     if(d->dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL) {
 238        d->cur_pack= d->dsi_pack.dsi_gi.nv_pck_lbn + ( d->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
 239        mp_msg(MSGT_DVD,MSGL_DBG2, "Navi  new pos=0x%X  \n",d->cur_pack);
 240     } else {
 241       // end of cell! find next cell!
 242       mp_msg(MSGT_DVD,MSGL_V, "--- END OF CELL !!! ---\n");
 243       d->cur_pack=d->cell_last_pack+1;
 244     }
 245   }
 246
 247 read_next:
 248   if(d->cur_pack>d->cell_last_pack) {
 249     // end of cell!
 250     int next=dvd_next_cell(d);
 251     if(next>=0) {
 252       d->cur_cell=next;
 253       // if( d->cur_pgc->cell_playback[d->cur_cell].block_type
 254       // == BLOCK_TYPE_ANGLE_BLOCK ) d->cur_cell+=dvd_angle;
 255       d->cur_pack = d->cur_pgc->cell_playback[ d->cur_cell ].first_sector;
 256       d->cell_last_pack=d->cur_pgc->cell_playback[ d->cur_cell ].last_sector;
 257       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);
 258     } else
 259         return -1; // EOF
 260   }
 261
 262   len = DVDReadBlocks(d->title, d->cur_pack, 1, data);
 263   if(!len) return -1; //error
 264
 265   if(data[38]==0 && data[39]==0 && data[40]==1 && data[41]==0xBF &&
 266     data[1024]==0 && data[1025]==0 && data[1026]==1 && data[1027]==0xBF) {
 267        // found a Navi packet!!!
 268 #if DVDREAD_VERSION >= LIBDVDREAD_VERSION(0,9,0)
 269     navRead_DSI(&d->dsi_pack, &(data[ DSI_START_BYTE ]));
 270 #else
 271     navRead_DSI(&d->dsi_pack, &(data[ DSI_START_BYTE ]), sizeof(dsi_t));
 272 #endif
 273     if(d->cur_pack != d->dsi_pack.dsi_gi.nv_pck_lbn ) {
 274       mp_msg(MSGT_DVD,MSGL_V, "Invalid NAVI packet! lba=0x%X  navi=0x%X  \n",
 275         d->cur_pack,d->dsi_pack.dsi_gi.nv_pck_lbn);
 276     } else {
 277       // process!
 278       d->packs_left = d->dsi_pack.dsi_gi.vobu_ea;
 279       mp_msg(MSGT_DVD,MSGL_DBG2, "Found NAVI packet! lba=0x%X  len=%d  \n",d->cur_pack,d->packs_left);
 280       //navPrint_DSI(&d->dsi_pack);
 281       mp_msg(MSGT_DVD,MSGL_DBG3,"\r### CELL %d: Navi: %d/%d  IFO: %d/%d   \n",d->cur_cell,
 282         d->dsi_pack.dsi_gi.vobu_c_idn,d->dsi_pack.dsi_gi.vobu_vob_idn,
 283         d->cur_pgc->cell_position[d->cur_cell].cell_nr,
 284         d->cur_pgc->cell_position[d->cur_cell].vob_id_nr);
 285
 286       if(d->angle_seek) {
 287         int i,skip=0;
 288 #if defined(__GNUC__) && ( defined(__sparc__) || defined(hpux) )
 289         // workaround for a bug in the sparc/hpux version of gcc 2.95.X ... 3.2,
 290         // it generates incorrect code for unaligned access to a packed
 291         // structure member, resulting in an mplayer crash with a SIGBUS
 292         // signal.
 293         //
 294         // See also gcc problem report PR c/7847:
 295         // http://gcc.gnu.org/cgi-bin/gnatsweb.pl?database=gcc&cmd=view+audit-trail&pr=7847
 296         for(i=0;i<9;i++) {      // check if all values zero:
 297           typeof(d->dsi_pack.sml_agli.data[i].address) tmp_addr;
 298           memcpy(&tmp_addr,&d->dsi_pack.sml_agli.data[i].address,sizeof(tmp_addr));
 299           if((skip=tmp_addr)!=0) break;
 300         }
 301 #else
 302         for(i=0;i<9;i++)        // check if all values zero:
 303           if((skip=d->dsi_pack.sml_agli.data[i].address)!=0) break;
 304 #endif
 305         if(skip) {
 306           // sml_agli table has valid data (at least one non-zero):
 307          d->cur_pack=d->dsi_pack.dsi_gi.nv_pck_lbn+
 308          d->dsi_pack.sml_agli.data[dvd_angle].address;
 309          d->angle_seek=0;
 310          mp_msg(MSGT_DVD,MSGL_V, "Angle-seek synced using sml_agli map!  new_lba=0x%X  \n",d->cur_pack);
 311         } else {
 312           // check if we're in the right cell, jump otherwise:
 313           if( (d->dsi_pack.dsi_gi.vobu_c_idn==d->cur_pgc->cell_position[d->cur_cell].cell_nr) &&
 314             (d->dsi_pack.dsi_gi.vobu_vob_idn==d->cur_pgc->cell_position[d->cur_cell].vob_id_nr) ){
 315             d->angle_seek=0;
 316             mp_msg(MSGT_DVD,MSGL_V, "Angle-seek synced by cell/vob IDN search!  \n");
 317           } else {
 318             // wrong angle, skip this vobu:
 319             d->cur_pack=d->dsi_pack.dsi_gi.nv_pck_lbn+
 320             d->dsi_pack.dsi_gi.vobu_ea;
 321             d->angle_seek=2; // DEBUG
 322           }
 323         }
 324       }
 325     }
 326     ++d->cur_pack;
 327     goto read_next;
 328   }
 329
 330   ++d->cur_pack;
 331   if(d->packs_left>=0) --d->packs_left;
 332
 333   if(d->angle_seek) {
 334     if(d->angle_seek==2) mp_msg(MSGT_DVD,MSGL_V, "!!! warning! reading packet while angle_seek !!!\n");
 335     goto read_next; // searching for Navi packet
 336   }
 337
 338   return d->cur_pack-1;
 339 }
 340
 341 void dvd_seek(dvd_priv_t *d,int pos) {
 342   d->packs_left=-1;
 343   d->cur_pack=pos;
 344
 345   // check if we stay in current cell (speedup things, and avoid angle skip)
 346   if(d->cur_pack>d->cell_last_pack ||
 347      d->cur_pack<d->cur_pgc->cell_playback[ d->cur_cell ].first_sector) {
 348
 349     // ok, cell change, find the right cell!
 350     d->cur_cell=0;
 351     if(d->cur_pgc->cell_playback[d->cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
 352       d->cur_cell+=dvd_angle;
 353
 354     while(1) {
 355       int next;
 356       d->cell_last_pack=d->cur_pgc->cell_playback[ d->cur_cell ].last_sector;
 357       if(d->cur_pack<d->cur_pgc->cell_playback[ d->cur_cell ].first_sector) {
 358         d->cur_pack=d->cur_pgc->cell_playback[ d->cur_cell ].first_sector;
 359         break;
 360       }
 361       if(d->cur_pack<=d->cell_last_pack) break; // ok, we find it! :)
 362       next=dvd_next_cell(d);
 363       if(next<0) {
 364         //d->cur_pack=d->cell_last_pack+1;
 365         break; // we're after the last cell
 366       }
 367       d->cur_cell=next;
 368     }
 369   }
 370
 371   mp_msg(MSGT_DVD,MSGL_V, "DVD Seek! lba=0x%X  cell=%d  packs: 0x%X-0x%X  \n",
 372     d->cur_pack,d->cur_cell,d->cur_pgc->cell_playback[ d->cur_cell ].first_sector,d->cell_last_pack);
 373
 374   // if we're in interleaved multi-angle cell, find the right angle chain!
 375   // (read Navi block, and use the seamless angle jump table)
 376   d->angle_seek=1;
 377 }
 378
 379 void dvd_close(dvd_priv_t *d) {
 380   ifoClose(d->vts_file);
 381   ifoClose(d->vmg_file);
 382   DVDCloseFile(d->title);
 383   DVDClose(d->dvd);
 384   dvd_chapter = 1;
 385   dvd_last_chapter = 0;
 386 }
 387
 388 #endif
 389
 390 static int fill_buffer(stream_t *s, char *but, int len)
 391 {
 392 #ifdef USE_DVDREAD
 393   if(s->type == STREAMTYPE_DVD) {
 394     off_t pos=dvd_read_sector(s->priv,s->buffer);
 395     if(pos>=0) {
 396       len=2048; // full sector
 397       s->pos=2048*pos-len;
 398     } else len=-1; // error
 399   }
 400 #endif
 401   return len;
 402 }
 403
 404 static int seek(stream_t *s, off_t newpos) {
 405 #ifdef USE_DVDREAD
 406   s->pos=newpos; // real seek
 407   dvd_seek(s->priv,s->pos/2048);
 408 #endif
 409   return 1;
 410 }
 411
 412 static void stream_dvd_close(stream_t *s) {
 413 #ifdef USE_DVDREAD
 414   dvd_close(s->priv);
 415 #endif
 416 }
 417
 418 /**
 419 \brief Converts DVD time structure to milliseconds.
 420 \param *dev the DVD time structure to convert
 421 \return returns the time in milliseconds
 422 */
 423 static int dvdtimetomsec(dvd_time_t *dt)
 424 {
 425   static int framerates[4] = {0, 2500, 0, 2997};
 426   int framerate = framerates[(dt->frame_u & 0xc0) >> 6];
 427   int msec = (((dt->hour & 0xf0) >> 3) * 5 + (dt->hour & 0x0f)) * 3600000;
 428   msec += (((dt->minute & 0xf0) >> 3) * 5 + (dt->minute & 0x0f)) * 60000;
 429   msec += (((dt->second & 0xf0) >> 3) * 5 + (dt->second & 0x0f)) * 1000;
 430   if(framerate > 0)
 431     msec += (((dt->frame_u & 0x30) >> 3) * 5 + (dt->frame_u & 0x0f)) * 100000 / framerate;
 432   return msec;
 433 }
 434
 435 static int mp_get_titleset_length(ifo_handle_t *vts_file, tt_srpt_t *tt_srpt, int title_no)
 436 {
 437     int vts_ttn;  ///< title number within video title set
 438     int pgc_no;   ///< program chain number
 439     int msec;     ///< time length in milliseconds
 440
 441     msec=0;
 442     if(!vts_file || !tt_srpt)
 443         return 0;
 444
 445     if(vts_file->vtsi_mat && vts_file->vts_pgcit)
 446     {
 447             vts_ttn = tt_srpt->title[title_no].vts_ttn - 1;
 448             pgc_no = vts_file->vts_ptt_srpt->title[vts_ttn].ptt[0].pgcn - 1;
 449             msec = dvdtimetomsec(&vts_file->vts_pgcit->pgci_srp[pgc_no].pgc->playback_time);
 450     }
 451     return msec;
 452 }
 453
 454
 455 static int mp_describe_titleset(dvd_reader_t *dvd, tt_srpt_t *tt_srpt, int vts_no)
 456 {
 457     ifo_handle_t *vts_file;
 458     int title_no, msec=0;
 459
 460     vts_file = ifoOpen(dvd, vts_no);
 461     if(!vts_file)
 462         return 0;
 463
 464     if(!vts_file->vtsi_mat || !vts_file->vts_pgcit)
 465     {
 466         ifoClose(vts_file);
 467         return 0;
 468     }
 469
 470     for(title_no = 0; title_no < tt_srpt->nr_of_srpts; title_no++)
 471     {
 472         if (tt_srpt->title[title_no].title_set_nr != vts_no)
 473             continue;
 474         msec = mp_get_titleset_length(vts_file, tt_srpt, title_no);
 475         mp_msg(MSGT_IDENTIFY, MSGL_V, "ID_DVD_TITLE_%d_LENGTH=%d.%03d\n", title_no + 1, msec / 1000, msec % 1000);
 476     }
 477     ifoClose(vts_file);
 478     return 1;
 479 }
 480
 481 static int control(stream_t *stream,int cmd,void* arg)
 482 {
 483     switch(cmd)
 484     {
 485         case STREAM_CTRL_GET_TIME_LENGTH:
 486         {
 487             dvd_priv_t *d = stream->priv;
 488             *((unsigned int *)arg) = mp_get_titleset_length(d->vts_file, d->tt_srpt, d->cur_title-1);
 489             return 1;
 490         }
 491     }
 492     return STREAM_UNSUPORTED;
 493 }
 494
 495
 496 static int open_s(stream_t *stream,int mode, void* opts, int* file_format) {
 497   struct stream_priv_s* p = (struct stream_priv_s*)opts;
 498   char *filename;
 499
 500   filename = strdup(stream->url);
 501   mp_msg(MSGT_OPEN,MSGL_V,"URL: %s\n", filename);
 502   dvd_title = p->title;
 503 #ifdef USE_DVDREAD
 504   if(1){
 505     //int ret,ret2;
 506     dvd_priv_t *d;
 507     int ttn,pgc_id,pgn;
 508     dvd_reader_t *dvd;
 509     dvd_file_t *title;
 510     ifo_handle_t *vmg_file;
 511     tt_srpt_t *tt_srpt;
 512     ifo_handle_t *vts_file;
 513     /**
 514      * Open the disc.
 515      */
 516     if(!dvd_device) dvd_device=strdup(DEFAULT_DVD_DEVICE);
 517 #ifdef SYS_DARWIN
 518     /* Dynamic DVD drive selection on Darwin */
 519     if(!strcmp(dvd_device, "/dev/rdiskN")) {
 520       int i;
 521       char *temp_device = malloc(strlen(dvd_device)+1);
 522
 523       for (i = 1; i < 10; i++) {
 524         sprintf(temp_device, "/dev/rdisk%d", i);
 525         dvd = DVDOpen(temp_device);
 526         if(!dvd) {
 527           mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_CantOpenDVD,temp_device);
 528         } else {
 529 #if DVDREAD_VERSION <= LIBDVDREAD_VERSION(0,9,4)
 530           int len;
 531           if(!UDFFindFile(dvd,"/",&len)) {
 532             mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_CantOpenDVD,temp_device);
 533             DVDClose(dvd);
 534           } else
 535 #endif
 536           {
 537           free(temp_device);
 538           break;
 539           }
 540         }
 541       }
 542
 543       if(!dvd) {
 544         m_struct_free(&stream_opts,opts);
 545         return STREAM_UNSUPORTED;
 546       }
 547     } else
 548 #endif /* SYS_DARWIN */
 549     {
 550         dvd = DVDOpen(dvd_device);
 551         if(!dvd) {
 552           mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_CantOpenDVD,dvd_device);
 553           m_struct_free(&stream_opts,opts);
 554           return STREAM_UNSUPORTED;
 555         }
 556     }
 557
 558     mp_msg(MSGT_OPEN,MSGL_INFO,MSGTR_DVDwait);
 559
 560     /**
 561      * Load the video manager to find out the information about the titles on
 562      * this disc.
 563      */
 564     vmg_file = ifoOpen(dvd, 0);
 565     if(!vmg_file) {
 566       mp_msg(MSGT_OPEN,MSGL_ERR, MSGTR_DVDnoVMG);
 567       DVDClose( dvd );
 568       m_struct_free(&stream_opts,opts);
 569       return STREAM_UNSUPORTED;
 570     }
 571     tt_srpt = vmg_file->tt_srpt;
 572     if (mp_msg_test(MSGT_IDENTIFY, MSGL_INFO))
 573     {
 574       int title_no; ///< title number
 575       mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_DVD_TITLES=%d\n", tt_srpt->nr_of_srpts);
 576       for (title_no = 0; title_no < tt_srpt->nr_of_srpts; title_no++)
 577       {
 578         mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_DVD_TITLE_%d_CHAPTERS=%d\n", title_no + 1, tt_srpt->title[title_no].nr_of_ptts);
 579         mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_DVD_TITLE_%d_ANGLES=%d\n", title_no + 1, tt_srpt->title[title_no].nr_of_angles);
 580       }
 581     }
 582     if (mp_msg_test(MSGT_IDENTIFY, MSGL_V))
 583     {
 584       unsigned char discid [16]; ///< disk ID, a 128 bit MD5 sum
 585       int vts_no;   ///< video title set number
 586       for (vts_no = 1; vts_no <= vmg_file->vts_atrt->nr_of_vtss; vts_no++)
 587         mp_describe_titleset(dvd, tt_srpt, vts_no);
 588       if (DVDDiscID(dvd, discid) >= 0)
 589       {
 590         int i;
 591         char buf[33];
 592         for (i = 0; i < 16; i ++)
 593           sprintf(buf+2*i, "%02X", discid[i]);
 594         mp_msg(MSGT_IDENTIFY, MSGL_V, "ID_DVD_DISC_ID=%s\n", buf);
 595       }
 596     }
 597     /**
 598      * Make sure our title number is valid.
 599      */
 600     mp_msg(MSGT_OPEN,MSGL_INFO, MSGTR_DVDnumTitles, tt_srpt->nr_of_srpts );
 601     if(dvd_title < 1 || dvd_title > tt_srpt->nr_of_srpts) {
 602       mp_msg(MSGT_OPEN,MSGL_ERR, MSGTR_DVDinvalidTitle, dvd_title);
 603       ifoClose( vmg_file );
 604       DVDClose( dvd );
 605       m_struct_free(&stream_opts,opts);
 606       return STREAM_UNSUPORTED;
 607     }
 608     --dvd_title; // remap 1.. -> 0..
 609     /**
 610      * Make sure the chapter number is valid for this title.
 611      */
 612     mp_msg(MSGT_OPEN,MSGL_INFO, MSGTR_DVDnumChapters, tt_srpt->title[dvd_title].nr_of_ptts);
 613     if(dvd_chapter<1 || dvd_chapter>tt_srpt->title[dvd_title].nr_of_ptts) {
 614       mp_msg(MSGT_OPEN,MSGL_ERR, MSGTR_DVDinvalidChapter, dvd_chapter);
 615       ifoClose( vmg_file );
 616       DVDClose( dvd );
 617       m_struct_free(&stream_opts,opts);
 618       return STREAM_UNSUPORTED;
 619     }
 620     if(dvd_last_chapter>0) {
 621       if(dvd_last_chapter<dvd_chapter || dvd_last_chapter>tt_srpt->title[dvd_title].nr_of_ptts) {
 622         mp_msg(MSGT_OPEN,MSGL_ERR, MSGTR_DVDinvalidLastChapter, dvd_last_chapter);
 623         ifoClose( vmg_file );
 624         DVDClose( dvd );
 625         m_struct_free(&stream_opts,opts);
 626         return STREAM_UNSUPORTED;
 627       }
 628     }
 629     --dvd_chapter; // remap 1.. -> 0..
 630     /* XXX No need to remap dvd_last_chapter */
 631     /**
 632      * Make sure the angle number is valid for this title.
 633      */
 634     mp_msg(MSGT_OPEN,MSGL_INFO, MSGTR_DVDnumAngles, tt_srpt->title[dvd_title].nr_of_angles);
 635     if(dvd_angle<1 || dvd_angle>tt_srpt->title[dvd_title].nr_of_angles) {
 636       mp_msg(MSGT_OPEN,MSGL_ERR, MSGTR_DVDinvalidAngle, dvd_angle);
 637       ifoClose( vmg_file );
 638       DVDClose( dvd );
 639       m_struct_free(&stream_opts,opts);
 640       return STREAM_UNSUPORTED;
 641     }
 642     --dvd_angle; // remap 1.. -> 0..
 643
 644     ttn = tt_srpt->title[dvd_title].vts_ttn - 1;
 645     /**
 646      * Load the VTS information for the title set our title is in.
 647      */
 648     vts_file = ifoOpen( dvd, tt_srpt->title[dvd_title].title_set_nr );
 649     if(!vts_file) {
 650       mp_msg(MSGT_OPEN,MSGL_ERR, MSGTR_DVDnoIFO, tt_srpt->title[dvd_title].title_set_nr );
 651       ifoClose( vmg_file );
 652       DVDClose( dvd );
 653       m_struct_free(&stream_opts,opts);
 654       return STREAM_UNSUPORTED;
 655     }
 656     /**
 657      * We've got enough info, time to open the title set data.
 658      */
 659     title = DVDOpenFile(dvd, tt_srpt->title[dvd_title].title_set_nr, DVD_READ_TITLE_VOBS);
 660     if(!title) {
 661       mp_msg(MSGT_OPEN,MSGL_ERR, MSGTR_DVDnoVOBs, tt_srpt->title[dvd_title].title_set_nr);
 662       ifoClose( vts_file );
 663       ifoClose( vmg_file );
 664       DVDClose( dvd );
 665       m_struct_free(&stream_opts,opts);
 666       return STREAM_UNSUPORTED;
 667     }
 668
 669     mp_msg(MSGT_OPEN,MSGL_INFO, MSGTR_DVDopenOk);
 670     // store data
 671     d=malloc(sizeof(dvd_priv_t)); memset(d,0,sizeof(dvd_priv_t));
 672     d->dvd=dvd;
 673     d->title=title;
 674     d->vmg_file=vmg_file;
 675     d->tt_srpt=tt_srpt;
 676     d->vts_file=vts_file;
 677     d->cur_title = dvd_title+1;
 678
 679     /**
 680      * Check number of audio channels and types
 681      */
 682     {
 683       d->nr_of_channels=0;
 684       if(vts_file->vts_pgcit) {
 685         int i;
 686         for(i=0;i<8;i++)
 687 #ifdef USE_MPDVDKIT
 688           if(vts_file->vts_pgcit->pgci_srp[ttn].pgc->audio_control[i].present) {
 689 #else
 690           if(vts_file->vts_pgcit->pgci_srp[ttn].pgc->audio_control[i] & 0x8000) {
 691 #endif
 692             audio_attr_t * audio = &vts_file->vtsi_mat->vts_audio_attr[i];
 693             int language = 0;
 694             char tmp[] = "unknown";
 695
 696             if(audio->lang_type == 1) {
 697               language=audio->lang_code;
 698               tmp[0]=language>>8;
 699               tmp[1]=language&0xff;
 700               tmp[2]=0;
 701             }
 702
 703             d->audio_streams[d->nr_of_channels].language=language;
 704 #ifdef USE_MPDVDKIT
 705             d->audio_streams[d->nr_of_channels].id=vts_file->vts_pgcit->pgci_srp[ttn].pgc->audio_control[i].s_audio;
 706 #else
 707             d->audio_streams[d->nr_of_channels].id=vts_file->vts_pgcit->pgci_srp[ttn].pgc->audio_control[i] >> 8 & 7;
 708 #endif
 709             switch(audio->audio_format) {
 710               case 0: // ac3
 711                 d->audio_streams[d->nr_of_channels].id+=FIRST_AC3_AID;
 712                 break;
 713               case 6: // dts
 714                 d->audio_streams[d->nr_of_channels].id+=FIRST_DTS_AID;
 715                 break;
 716               case 2: // mpeg layer 1/2/3
 717               case 3: // mpeg2 ext
 718                 d->audio_streams[d->nr_of_channels].id+=FIRST_MPG_AID;
 719                 break;
 720               case 4: // lpcm
 721                 d->audio_streams[d->nr_of_channels].id+=FIRST_PCM_AID;
 722                 break;
 723            }
 724
 725            d->audio_streams[d->nr_of_channels].type=audio->audio_format;
 726            // Pontscho: to my mind, tha channels:
 727            //  1 - stereo
 728            //  5 - 5.1
 729            d->audio_streams[d->nr_of_channels].channels=audio->channels;
 730            mp_msg(MSGT_OPEN,MSGL_V,"[open] audio stream: %d audio format: %s (%s) language: %s aid: %d\n",
 731              d->nr_of_channels,
 732              dvd_audio_stream_types[ audio->audio_format ],
 733              dvd_audio_stream_channels[ audio->channels ],
 734              tmp,
 735              d->audio_streams[d->nr_of_channels].id
 736            );
 737            mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_AUDIO_ID=%d\n", d->audio_streams[d->nr_of_channels].id);
 738            if(language && tmp[0])
 739              mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_AID_%d_LANG=%s\n", d->audio_streams[d->nr_of_channels].id, tmp);
 740
 741            d->nr_of_channels++;
 742          }
 743       }
 744       mp_msg(MSGT_OPEN,MSGL_V,"[open] number of audio channels on disk: %d.\n",d->nr_of_channels );
 745     }
 746
 747     /**
 748      * Check number of subtitles and language
 749      */
 750     {
 751       int i;
 752
 753       d->nr_of_subtitles=0;
 754       for(i=0;i<32;i++)
 755 #ifdef USE_MPDVDKIT
 756       if(vts_file->vts_pgcit->pgci_srp[ttn].pgc->subp_control[i].present) {
 757 #else
 758       if(vts_file->vts_pgcit->pgci_srp[ttn].pgc->subp_control[i] & 0x80000000) {
 759 #endif
 760         subp_attr_t * subtitle = &vts_file->vtsi_mat->vts_subp_attr[i];
 761         video_attr_t *video = &vts_file->vtsi_mat->vts_video_attr;
 762         int language = 0;
 763         char tmp[] = "unknown";
 764
 765         if(subtitle->type == 1) {
 766           language=subtitle->lang_code;
 767           tmp[0]=language>>8;
 768           tmp[1]=language&0xff;
 769           tmp[2]=0;
 770         }
 771
 772         d->subtitles[ d->nr_of_subtitles ].language=language;
 773         d->subtitles[ d->nr_of_subtitles ].id=d->nr_of_subtitles;
 774         if(video->display_aspect_ratio == 0) /* 4:3 */
 775 #ifdef USE_MPDVDKIT
 776           d->subtitles[d->nr_of_subtitles].id = vts_file->vts_pgcit->pgci_srp[ttn].pgc->subp_control[i].s_4p3;
 777 #else
 778           d->subtitles[d->nr_of_subtitles].id = vts_file->vts_pgcit->pgci_srp[ttn].pgc->subp_control[i] >> 24 & 31;
 779 #endif
 780         else if(video->display_aspect_ratio == 3) /* 16:9 */
 781 #ifdef USE_MPDVDKIT
 782           d->subtitles[d->nr_of_subtitles].id = vts_file->vts_pgcit->pgci_srp[ttn].pgc->subp_control[i].s_lbox;
 783 #else
 784           d->subtitles[d->nr_of_subtitles].id = vts_file->vts_pgcit->pgci_srp[ttn].pgc->subp_control[i] >> 8 & 31;
 785 #endif
 786
 787         mp_msg(MSGT_OPEN,MSGL_V,"[open] subtitle ( sid ): %d language: %s\n", d->nr_of_subtitles, tmp);
 788         mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_SUBTITLE_ID=%d\n", d->subtitles[d->nr_of_subtitles].id);
 789         if(language && tmp[0])
 790           mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_SID_%d_LANG=%s\n", d->nr_of_subtitles, tmp);
 791         d->nr_of_subtitles++;
 792       }
 793       mp_msg(MSGT_OPEN,MSGL_V,"[open] number of subtitles on disk: %d\n",d->nr_of_subtitles );
 794     }
 795
 796     /**
 797      * Determine which program chain we want to watch.  This is based on the
 798      * chapter number.
 799      */
 800     pgc_id = vts_file->vts_ptt_srpt->title[ttn].ptt[dvd_chapter].pgcn; // local
 801     pgn  = vts_file->vts_ptt_srpt->title[ttn].ptt[dvd_chapter].pgn;  // local
 802     d->cur_pgc = vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc;
 803     d->cur_cell = d->cur_pgc->program_map[pgn-1] - 1; // start playback here
 804     d->packs_left=-1;      // for Navi stuff
 805     d->angle_seek=0;
 806     /* XXX dvd_last_chapter is in the range 1..nr_of_ptts */
 807     if(dvd_last_chapter > 0 && dvd_last_chapter < tt_srpt->title[dvd_title].nr_of_ptts) {
 808       pgn=vts_file->vts_ptt_srpt->title[ttn].ptt[dvd_last_chapter].pgn;
 809       d->last_cell=d->cur_pgc->program_map[pgn-1] - 1;
 810     } else
 811       d->last_cell=d->cur_pgc->nr_of_cells;
 812
 813     if(d->cur_pgc->cell_playback[d->cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
 814       d->cur_cell+=dvd_angle;
 815     d->cur_pack = d->cur_pgc->cell_playback[ d->cur_cell ].first_sector;
 816     d->cell_last_pack=d->cur_pgc->cell_playback[ d->cur_cell ].last_sector;
 817     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);
 818
 819     // ... (unimplemented)
 820     //    return NULL;
 821     stream->type = STREAMTYPE_DVD;
 822     stream->sector_size = 2048;
 823     stream->flags = STREAM_READ | STREAM_SEEK;
 824     stream->fill_buffer = fill_buffer;
 825     stream->seek = seek;
 826     stream->control = control;
 827     stream->close = stream_dvd_close;
 828     stream->start_pos = (off_t)d->cur_pack*2048;
 829     stream->end_pos = (off_t)(d->cur_pgc->cell_playback[d->last_cell-1].last_sector)*2048;
 830     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);
 831     stream->priv = (void*)d;
 832     return STREAM_OK;
 833   }
 834 #endif
 835   mp_msg(MSGT_DVD,MSGL_ERR,MSGTR_NoDVDSupport);
 836   m_struct_free(&stream_opts,opts);
 837   return STREAM_UNSUPORTED;
 838 }
 839
 840
 841 stream_info_t stream_info_dvd = {
 842   "DVD stream",
 843   "null",
 844   "",
 845   "",
 846   open_s,
 847   { "dvd", NULL },
 848   &stream_opts,
 849   1 // Urls are an option string
 850 };
 851 #endif