dvdread/ifo_types.h

   1 #ifndef IFO_TYPES_H_INCLUDED
   2 #define IFO_TYPES_H_INCLUDED
   3
   4 /*
   5  * Copyright (C) 2000, 2001 Björn Englund <d4bjorn@dtek.chalmers.se>,
   6  *                          Håkan Hjort <d95hjort@dtek.chalmers.se>
   7  *
   8  * Modified for use with MPlayer, changes contained in libdvdread_changes.diff.
   9  * detailed changelog at http://svn.mplayerhq.hu/mplayer/trunk/
  10  * $Id$
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  25  */
  26
  27 #include <inttypes.h>
  28 #include <dvdread/dvd_reader.h>
  29
  30
  31 #undef ATTRIBUTE_PACKED
  32 #undef PRAGMA_PACK_BEGIN
  33 #undef PRAGMA_PACK_END
  34
  35 #if defined(__GNUC__)
  36 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
  37 #define ATTRIBUTE_PACKED __attribute__ ((packed))
  38 #define PRAGMA_PACK 0
  39 #endif
  40 #endif
  41
  42 #if !defined(ATTRIBUTE_PACKED)
  43 #define ATTRIBUTE_PACKED
  44 #define PRAGMA_PACK 1
  45 #endif
  46
  47 #if PRAGMA_PACK
  48 #pragma pack(1)
  49 #endif
  50
  51
  52 /**
  53  * Common
  54  *
  55  * The following structures are used in both the VMGI and VTSI.
  56  */
  57
  58
  59 /**
  60  * DVD Time Information.
  61  */
  62 typedef struct {
  63   uint8_t hour;
  64   uint8_t minute;
  65   uint8_t second;
  66   uint8_t frame_u; /* The two high bits are the frame rate. */
  67 } ATTRIBUTE_PACKED dvd_time_t;
  68
  69 /**
  70  * Type to store per-command data.
  71  */
  72 typedef struct {
  73   uint8_t bytes[8];
  74 } ATTRIBUTE_PACKED vm_cmd_t;
  75 #define COMMAND_DATA_SIZE 8
  76
  77
  78 /**
  79  * Video Attributes.
  80  */
  81 typedef struct {
  82 #ifdef WORDS_BIGENDIAN
  83   unsigned int mpeg_version         : 2;
  84   unsigned int video_format         : 2;
  85   unsigned int display_aspect_ratio : 2;
  86   unsigned int permitted_df         : 2;
  87
  88   unsigned int line21_cc_1          : 1;
  89   unsigned int line21_cc_2          : 1;
  90   unsigned int unknown1             : 1;
  91   unsigned int bit_rate             : 1;
  92
  93   unsigned int picture_size         : 2;
  94   unsigned int letterboxed          : 1;
  95   unsigned int film_mode            : 1;
  96 #else
  97   unsigned int permitted_df         : 2;
  98   unsigned int display_aspect_ratio : 2;
  99   unsigned int video_format         : 2;
 100   unsigned int mpeg_version         : 2;
 101
 102   unsigned int film_mode            : 1;
 103   unsigned int letterboxed          : 1;
 104   unsigned int picture_size         : 2;
 105
 106   unsigned int bit_rate             : 1;
 107   unsigned int unknown1             : 1;
 108   unsigned int line21_cc_2          : 1;
 109   unsigned int line21_cc_1          : 1;
 110 #endif
 111 } ATTRIBUTE_PACKED video_attr_t;
 112
 113 /**
 114  * Audio Attributes.
 115  */
 116 typedef struct {
 117 #ifdef WORDS_BIGENDIAN
 118   unsigned int audio_format           : 3;
 119   unsigned int multichannel_extension : 1;
 120   unsigned int lang_type              : 2;
 121   unsigned int application_mode       : 2;
 122
 123   unsigned int quantization           : 2;
 124   unsigned int sample_frequency       : 2;
 125   unsigned int unknown1               : 1;
 126   unsigned int channels               : 3;
 127 #else
 128   unsigned int application_mode       : 2;
 129   unsigned int lang_type              : 2;
 130   unsigned int multichannel_extension : 1;
 131   unsigned int audio_format           : 3;
 132
 133   unsigned int channels               : 3;
 134   unsigned int unknown1               : 1;
 135   unsigned int sample_frequency       : 2;
 136   unsigned int quantization           : 2;
 137 #endif
 138   uint16_t lang_code;
 139   uint8_t  lang_extension;
 140   uint8_t  code_extension;
 141   uint8_t unknown3;
 142   union {
 143     struct ATTRIBUTE_PACKED {
 144 #ifdef WORDS_BIGENDIAN
 145       unsigned int unknown4           : 1;
 146       unsigned int channel_assignment : 3;
 147       unsigned int version            : 2;
 148       unsigned int mc_intro           : 1; /* probably 0: true, 1:false */
 149       unsigned int mode               : 1; /* Karaoke mode 0: solo 1: duet */
 150 #else
 151       unsigned int mode               : 1;
 152       unsigned int mc_intro           : 1;
 153       unsigned int version            : 2;
 154       unsigned int channel_assignment : 3;
 155       unsigned int unknown4           : 1;
 156 #endif
 157     } karaoke;
 158     struct ATTRIBUTE_PACKED {
 159 #ifdef WORDS_BIGENDIAN
 160       unsigned int unknown5           : 4;
 161       unsigned int dolby_encoded      : 1; /* suitable for surround decoding */
 162       unsigned int unknown6           : 3;
 163 #else
 164       unsigned int unknown6           : 3;
 165       unsigned int dolby_encoded      : 1;
 166       unsigned int unknown5           : 4;
 167 #endif
 168     } surround;
 169   } app_info;
 170 } ATTRIBUTE_PACKED audio_attr_t;
 171
 172
 173 /**
 174  * MultiChannel Extension
 175  */
 176 typedef struct {
 177 #ifdef WORDS_BIGENDIAN
 178   unsigned int zero1      : 7;
 179   unsigned int ach0_gme   : 1;
 180
 181   unsigned int zero2      : 7;
 182   unsigned int ach1_gme   : 1;
 183
 184   unsigned int zero3      : 4;
 185   unsigned int ach2_gv1e  : 1;
 186   unsigned int ach2_gv2e  : 1;
 187   unsigned int ach2_gm1e  : 1;
 188   unsigned int ach2_gm2e  : 1;
 189
 190   unsigned int zero4      : 4;
 191   unsigned int ach3_gv1e  : 1;
 192   unsigned int ach3_gv2e  : 1;
 193   unsigned int ach3_gmAe  : 1;
 194   unsigned int ach3_se2e  : 1;
 195
 196   unsigned int zero5      : 4;
 197   unsigned int ach4_gv1e  : 1;
 198   unsigned int ach4_gv2e  : 1;
 199   unsigned int ach4_gmBe  : 1;
 200   unsigned int ach4_seBe  : 1;
 201 #else
 202   unsigned int ach0_gme   : 1;
 203   unsigned int zero1      : 7;
 204
 205   unsigned int ach1_gme   : 1;
 206   unsigned int zero2      : 7;
 207
 208   unsigned int ach2_gm2e  : 1;
 209   unsigned int ach2_gm1e  : 1;
 210   unsigned int ach2_gv2e  : 1;
 211   unsigned int ach2_gv1e  : 1;
 212   unsigned int zero3      : 4;
 213
 214   unsigned int ach3_se2e  : 1;
 215   unsigned int ach3_gmAe  : 1;
 216   unsigned int ach3_gv2e  : 1;
 217   unsigned int ach3_gv1e  : 1;
 218   unsigned int zero4      : 4;
 219
 220   unsigned int ach4_seBe  : 1;
 221   unsigned int ach4_gmBe  : 1;
 222   unsigned int ach4_gv2e  : 1;
 223   unsigned int ach4_gv1e  : 1;
 224   unsigned int zero5      : 4;
 225 #endif
 226   uint8_t zero6[19];
 227 } ATTRIBUTE_PACKED multichannel_ext_t;
 228
 229
 230 /**
 231  * Subpicture Attributes.
 232  */
 233 typedef struct {
 234   /*
 235    * type: 0 not specified
 236    *       1 language
 237    *       2 other
 238    * coding mode: 0 run length
 239    *              1 extended
 240    *              2 other
 241    * language: indicates language if type == 1
 242    * lang extension: if type == 1 contains the lang extension
 243    */
 244 #ifdef WORDS_BIGENDIAN
 245   unsigned int code_mode : 3;
 246   unsigned int zero1     : 3;
 247   unsigned int type      : 2;
 248 #else
 249   unsigned int type      : 2;
 250   unsigned int zero1     : 3;
 251   unsigned int code_mode : 3;
 252 #endif
 253   uint8_t  zero2;
 254   uint16_t lang_code;
 255   uint8_t  lang_extension;
 256   uint8_t  code_extension;
 257 } ATTRIBUTE_PACKED subp_attr_t;
 258
 259
 260
 261 /**
 262  * PGC Command Table.
 263  */
 264 typedef struct {
 265   uint16_t nr_of_pre;
 266   uint16_t nr_of_post;
 267   uint16_t nr_of_cell;
 268   uint16_t zero_1;
 269   vm_cmd_t *pre_cmds;
 270   vm_cmd_t *post_cmds;
 271   vm_cmd_t *cell_cmds;
 272 } ATTRIBUTE_PACKED pgc_command_tbl_t;
 273 #define PGC_COMMAND_TBL_SIZE 8
 274
 275 /**
 276  * PGC Program Map
 277  */
 278 typedef uint8_t pgc_program_map_t;
 279
 280 /**
 281  * Cell Playback Information.
 282  */
 283 typedef struct {
 284 #ifdef WORDS_BIGENDIAN
 285   unsigned int block_mode       : 2;
 286   unsigned int block_type       : 2;
 287   unsigned int seamless_play    : 1;
 288   unsigned int interleaved      : 1;
 289   unsigned int stc_discontinuity: 1;
 290   unsigned int seamless_angle   : 1;
 291
 292   unsigned int playback_mode    : 1;  /**< When set, enter StillMode after each VOBU */
 293   unsigned int restricted       : 1;  /**< ?? drop out of fastforward? */
 294   unsigned int unknown2         : 6;
 295 #else
 296   unsigned int seamless_angle   : 1;
 297   unsigned int stc_discontinuity: 1;
 298   unsigned int interleaved      : 1;
 299   unsigned int seamless_play    : 1;
 300   unsigned int block_type       : 2;
 301   unsigned int block_mode       : 2;
 302
 303   unsigned int unknown2         : 6;
 304   unsigned int restricted       : 1;
 305   unsigned int playback_mode    : 1;
 306 #endif
 307   uint8_t still_time;
 308   uint8_t cell_cmd_nr;
 309   dvd_time_t playback_time;
 310   uint32_t first_sector;
 311   uint32_t first_ilvu_end_sector;
 312   uint32_t last_vobu_start_sector;
 313   uint32_t last_sector;
 314 } ATTRIBUTE_PACKED cell_playback_t;
 315
 316 #define BLOCK_TYPE_NONE         0x0
 317 #define BLOCK_TYPE_ANGLE_BLOCK  0x1
 318
 319 #define BLOCK_MODE_NOT_IN_BLOCK 0x0
 320 #define BLOCK_MODE_FIRST_CELL   0x1
 321 #define BLOCK_MODE_IN_BLOCK     0x2
 322 #define BLOCK_MODE_LAST_CELL    0x3
 323
 324 /**
 325  * Cell Position Information.
 326  */
 327 typedef struct {
 328   uint16_t vob_id_nr;
 329   uint8_t  zero_1;
 330   uint8_t  cell_nr;
 331 } ATTRIBUTE_PACKED cell_position_t;
 332
 333 /**
 334  * User Operations.
 335  */
 336 typedef struct {
 337 #ifdef WORDS_BIGENDIAN
 338   unsigned int zero                           : 7; /* 25-31 */
 339   unsigned int video_pres_mode_change         : 1; /* 24 */
 340
 341   unsigned int karaoke_audio_pres_mode_change : 1; /* 23 */
 342   unsigned int angle_change                   : 1;
 343   unsigned int subpic_stream_change           : 1;
 344   unsigned int audio_stream_change            : 1;
 345   unsigned int pause_on                       : 1;
 346   unsigned int still_off                      : 1;
 347   unsigned int button_select_or_activate      : 1;
 348   unsigned int resume                         : 1; /* 16 */
 349
 350   unsigned int chapter_menu_call              : 1; /* 15 */
 351   unsigned int angle_menu_call                : 1;
 352   unsigned int audio_menu_call                : 1;
 353   unsigned int subpic_menu_call               : 1;
 354   unsigned int root_menu_call                 : 1;
 355   unsigned int title_menu_call                : 1;
 356   unsigned int backward_scan                  : 1;
 357   unsigned int forward_scan                   : 1; /* 8 */
 358
 359   unsigned int next_pg_search                 : 1; /* 7 */
 360   unsigned int prev_or_top_pg_search          : 1;
 361   unsigned int time_or_chapter_search         : 1;
 362   unsigned int go_up                          : 1;
 363   unsigned int stop                           : 1;
 364   unsigned int title_play                     : 1;
 365   unsigned int chapter_search_or_play         : 1;
 366   unsigned int title_or_time_play             : 1; /* 0 */
 367 #else
 368   unsigned int video_pres_mode_change         : 1; /* 24 */
 369   unsigned int zero                           : 7; /* 25-31 */
 370
 371   unsigned int resume                         : 1; /* 16 */
 372   unsigned int button_select_or_activate      : 1;
 373   unsigned int still_off                      : 1;
 374   unsigned int pause_on                       : 1;
 375   unsigned int audio_stream_change            : 1;
 376   unsigned int subpic_stream_change           : 1;
 377   unsigned int angle_change                   : 1;
 378   unsigned int karaoke_audio_pres_mode_change : 1; /* 23 */
 379
 380   unsigned int forward_scan                   : 1; /* 8 */
 381   unsigned int backward_scan                  : 1;
 382   unsigned int title_menu_call                : 1;
 383   unsigned int root_menu_call                 : 1;
 384   unsigned int subpic_menu_call               : 1;
 385   unsigned int audio_menu_call                : 1;
 386   unsigned int angle_menu_call                : 1;
 387   unsigned int chapter_menu_call              : 1; /* 15 */
 388
 389   unsigned int title_or_time_play             : 1; /* 0 */
 390   unsigned int chapter_search_or_play         : 1;
 391   unsigned int title_play                     : 1;
 392   unsigned int stop                           : 1;
 393   unsigned int go_up                          : 1;
 394   unsigned int time_or_chapter_search         : 1;
 395   unsigned int prev_or_top_pg_search          : 1;
 396   unsigned int next_pg_search                 : 1; /* 7 */
 397 #endif
 398 } ATTRIBUTE_PACKED user_ops_t;
 399
 400 /**
 401  * Subpicture stream mapping for a subtitle
 402  */
 403 typedef struct {
 404 #ifdef WORDS_BIGENDIAN
 405   unsigned int present   : 1;
 406   unsigned int zero1     : 2;
 407   unsigned int s_4p3     : 5; /* stream for 4:3 on any display */
 408
 409   unsigned int zero2     : 3;
 410   unsigned int s_wide    : 5; /* stream for 16:9 on widescreen display */
 411
 412   unsigned int zero3     : 3;
 413   unsigned int s_lbox    : 5; /* stream for 16:9 on letterboxed 4:3 display */
 414
 415   unsigned int zero4     : 3;
 416   unsigned int s_panscan : 5; /* stream for 16:9 with pan&scan data on 4:3 display */
 417 #else
 418   unsigned int s_4p3     : 5; /* stream for 4:3 on any display */
 419   unsigned int zero1     : 2;
 420   unsigned int present   : 1;
 421
 422   unsigned int s_wide    : 5; /* stream for 16:9 on widescreen display */
 423   unsigned int zero2     : 3;
 424
 425   unsigned int s_lbox    : 5; /* stream for 16:9 on letterboxed 4:3 display */
 426   unsigned int zero3     : 3;
 427
 428   unsigned int s_panscan : 5; /* stream for 16:9 with pan&scan data on 4:3 display */
 429   unsigned int zero4     : 3;
 430 #endif
 431 } ATTRIBUTE_PACKED subp_mapping_t;
 432
 433 /**
 434  * Audio stream mapping for a soundtrack
 435  */
 436 typedef struct {
 437 #ifdef WORDS_BIGENDIAN
 438   unsigned int present : 1;
 439   unsigned int zero1   : 4;
 440   unsigned int s_audio : 3;
 441 #else
 442   unsigned int s_audio : 3;
 443   unsigned int zero1   : 4;
 444   unsigned int present : 1;
 445 #endif
 446   uint8_t zero2;
 447 } ATTRIBUTE_PACKED audio_mapping_t;
 448
 449 /**
 450  * Program Chain Information.
 451  */
 452 typedef struct {
 453   uint16_t zero_1;
 454   uint8_t  nr_of_programs;
 455   uint8_t  nr_of_cells;
 456   dvd_time_t playback_time;
 457   user_ops_t prohibited_ops;
 458   audio_mapping_t audio_control[8];
 459   subp_mapping_t subp_control[32];
 460   uint16_t next_pgc_nr;
 461   uint16_t prev_pgc_nr;
 462   uint16_t goup_pgc_nr;
 463   uint8_t  still_time;
 464   uint8_t  pg_playback_mode;
 465   uint32_t palette[16]; /* New type struct {zero_1, Y, Cr, Cb} ? */
 466   uint16_t command_tbl_offset;
 467   uint16_t program_map_offset;
 468   uint16_t cell_playback_offset;
 469   uint16_t cell_position_offset;
 470   pgc_command_tbl_t *command_tbl;
 471   pgc_program_map_t  *program_map;
 472   cell_playback_t *cell_playback;
 473   cell_position_t *cell_position;
 474 } ATTRIBUTE_PACKED pgc_t;
 475 #define PGC_SIZE 236
 476
 477 /**
 478  * Program Chain Information Search Pointer.
 479  */
 480 typedef struct {
 481   uint8_t  entry_id;
 482 #ifdef WORDS_BIGENDIAN
 483   unsigned int block_mode : 2;
 484   unsigned int block_type : 2;
 485   unsigned int unknown1   : 4;
 486 #else
 487   unsigned int unknown1   : 4;
 488   unsigned int block_type : 2;
 489   unsigned int block_mode : 2;
 490 #endif
 491   uint16_t ptl_id_mask;
 492   uint32_t pgc_start_byte;
 493   pgc_t *pgc;
 494 } ATTRIBUTE_PACKED pgci_srp_t;
 495 #define PGCI_SRP_SIZE 8
 496
 497 /**
 498  * Program Chain Information Table.
 499  */
 500 typedef struct {
 501   uint16_t nr_of_pgci_srp;
 502   uint16_t zero_1;
 503   uint32_t last_byte;
 504   pgci_srp_t *pgci_srp;
 505 } ATTRIBUTE_PACKED pgcit_t;
 506 #define PGCIT_SIZE 8
 507
 508 /**
 509  * Menu PGCI Language Unit.
 510  */
 511 typedef struct {
 512   uint16_t lang_code;
 513   uint8_t  lang_extension;
 514   uint8_t  exists;
 515   uint32_t lang_start_byte;
 516   pgcit_t *pgcit;
 517 } ATTRIBUTE_PACKED pgci_lu_t;
 518 #define PGCI_LU_SIZE 8
 519
 520 /**
 521  * Menu PGCI Unit Table.
 522  */
 523 typedef struct {
 524   uint16_t nr_of_lus;
 525   uint16_t zero_1;
 526   uint32_t last_byte;
 527   pgci_lu_t *lu;
 528 } ATTRIBUTE_PACKED pgci_ut_t;
 529 #define PGCI_UT_SIZE 8
 530
 531 /**
 532  * Cell Address Information.
 533  */
 534 typedef struct {
 535   uint16_t vob_id;
 536   uint8_t  cell_id;
 537   uint8_t  zero_1;
 538   uint32_t start_sector;
 539   uint32_t last_sector;
 540 } ATTRIBUTE_PACKED cell_adr_t;
 541
 542 /**
 543  * Cell Address Table.
 544  */
 545 typedef struct {
 546   uint16_t nr_of_vobs; /* VOBs */
 547   uint16_t zero_1;
 548   uint32_t last_byte;
 549   cell_adr_t *cell_adr_table;  /* No explicit size given. */
 550 } ATTRIBUTE_PACKED c_adt_t;
 551 #define C_ADT_SIZE 8
 552
 553 /**
 554  * VOBU Address Map.
 555  */
 556 typedef struct {
 557   uint32_t last_byte;
 558   uint32_t *vobu_start_sectors;
 559 } ATTRIBUTE_PACKED vobu_admap_t;
 560 #define VOBU_ADMAP_SIZE 4
 561
 562
 563
 564
 565 /**
 566  * VMGI
 567  *
 568  * The following structures relate to the Video Manager.
 569  */
 570
 571 /**
 572  * Video Manager Information Management Table.
 573  */
 574 typedef struct {
 575   char     vmg_identifier[12];
 576   uint32_t vmg_last_sector;
 577   uint8_t  zero_1[12];
 578   uint32_t vmgi_last_sector;
 579   uint8_t  zero_2;
 580   uint8_t  specification_version;
 581   uint32_t vmg_category;
 582   uint16_t vmg_nr_of_volumes;
 583   uint16_t vmg_this_volume_nr;
 584   uint8_t  disc_side;
 585   uint8_t  zero_3[19];
 586   uint16_t vmg_nr_of_title_sets;  /* Number of VTSs. */
 587   char     provider_identifier[32];
 588   uint64_t vmg_pos_code;
 589   uint8_t  zero_4[24];
 590   uint32_t vmgi_last_byte;
 591   uint32_t first_play_pgc;
 592   uint8_t  zero_5[56];
 593   uint32_t vmgm_vobs;             /* sector */
 594   uint32_t tt_srpt;               /* sector */
 595   uint32_t vmgm_pgci_ut;          /* sector */
 596   uint32_t ptl_mait;              /* sector */
 597   uint32_t vts_atrt;              /* sector */
 598   uint32_t txtdt_mgi;             /* sector */
 599   uint32_t vmgm_c_adt;            /* sector */
 600   uint32_t vmgm_vobu_admap;       /* sector */
 601   uint8_t  zero_6[32];
 602
 603   video_attr_t vmgm_video_attr;
 604   uint8_t  zero_7;
 605   uint8_t  nr_of_vmgm_audio_streams; /* should be 0 or 1 */
 606   audio_attr_t vmgm_audio_attr;
 607   audio_attr_t zero_8[7];
 608   uint8_t  zero_9[17];
 609   uint8_t  nr_of_vmgm_subp_streams; /* should be 0 or 1 */
 610   subp_attr_t  vmgm_subp_attr;
 611   subp_attr_t  zero_10[27];  /* XXX: how much 'padding' here? */
 612 } ATTRIBUTE_PACKED vmgi_mat_t;
 613
 614 typedef struct {
 615 #ifdef WORDS_BIGENDIAN
 616   unsigned int zero_1                    : 1;
 617   unsigned int multi_or_random_pgc_title : 1; /* 0: one sequential pgc title */
 618   unsigned int jlc_exists_in_cell_cmd    : 1;
 619   unsigned int jlc_exists_in_prepost_cmd : 1;
 620   unsigned int jlc_exists_in_button_cmd  : 1;
 621   unsigned int jlc_exists_in_tt_dom      : 1;
 622   unsigned int chapter_search_or_play    : 1; /* UOP 1 */
 623   unsigned int title_or_time_play        : 1; /* UOP 0 */
 624 #else
 625   unsigned int title_or_time_play        : 1;
 626   unsigned int chapter_search_or_play    : 1;
 627   unsigned int jlc_exists_in_tt_dom      : 1;
 628   unsigned int jlc_exists_in_button_cmd  : 1;
 629   unsigned int jlc_exists_in_prepost_cmd : 1;
 630   unsigned int jlc_exists_in_cell_cmd    : 1;
 631   unsigned int multi_or_random_pgc_title : 1;
 632   unsigned int zero_1                    : 1;
 633 #endif
 634 } ATTRIBUTE_PACKED playback_type_t;
 635
 636 /**
 637  * Title Information.
 638  */
 639 typedef struct {
 640   playback_type_t pb_ty;
 641   uint8_t  nr_of_angles;
 642   uint16_t nr_of_ptts;
 643   uint16_t parental_id;
 644   uint8_t  title_set_nr;
 645   uint8_t  vts_ttn;
 646   uint32_t title_set_sector;
 647 } ATTRIBUTE_PACKED title_info_t;
 648
 649 /**
 650  * PartOfTitle Search Pointer Table.
 651  */
 652 typedef struct {
 653   uint16_t nr_of_srpts;
 654   uint16_t zero_1;
 655   uint32_t last_byte;
 656   title_info_t *title;
 657 } ATTRIBUTE_PACKED tt_srpt_t;
 658 #define TT_SRPT_SIZE 8
 659
 660
 661 /**
 662  * Parental Management Information Unit Table.
 663  * Level 1 (US: G), ..., 7 (US: NC-17), 8
 664  */
 665 typedef uint16_t pf_level_t[8];
 666
 667 /**
 668  * Parental Management Information Unit Table.
 669  */
 670 typedef struct {
 671   uint16_t country_code;
 672   uint16_t zero_1;
 673   uint16_t pf_ptl_mai_start_byte;
 674   uint16_t zero_2;
 675   pf_level_t *pf_ptl_mai; /* table of (nr_of_vtss + 1), video_ts is first */
 676 } ATTRIBUTE_PACKED ptl_mait_country_t;
 677 #define PTL_MAIT_COUNTRY_SIZE 8
 678
 679 /**
 680  * Parental Management Information Table.
 681  */
 682 typedef struct {
 683   uint16_t nr_of_countries;
 684   uint16_t nr_of_vtss;
 685   uint32_t last_byte;
 686   ptl_mait_country_t *countries;
 687 } ATTRIBUTE_PACKED ptl_mait_t;
 688 #define PTL_MAIT_SIZE 8
 689
 690 /**
 691  * Video Title Set Attributes.
 692  */
 693 typedef struct {
 694   uint32_t last_byte;
 695   uint32_t vts_cat;
 696
 697   video_attr_t vtsm_vobs_attr;
 698   uint8_t  zero_1;
 699   uint8_t  nr_of_vtsm_audio_streams; /* should be 0 or 1 */
 700   audio_attr_t vtsm_audio_attr;
 701   audio_attr_t zero_2[7];
 702   uint8_t  zero_3[16];
 703   uint8_t  zero_4;
 704   uint8_t  nr_of_vtsm_subp_streams; /* should be 0 or 1 */
 705   subp_attr_t vtsm_subp_attr;
 706   subp_attr_t zero_5[27];
 707
 708   uint8_t  zero_6[2];
 709
 710   video_attr_t vtstt_vobs_video_attr;
 711   uint8_t  zero_7;
 712   uint8_t  nr_of_vtstt_audio_streams;
 713   audio_attr_t vtstt_audio_attr[8];
 714   uint8_t  zero_8[16];
 715   uint8_t  zero_9;
 716   uint8_t  nr_of_vtstt_subp_streams;
 717   subp_attr_t vtstt_subp_attr[32];
 718 } ATTRIBUTE_PACKED vts_attributes_t;
 719 #define VTS_ATTRIBUTES_SIZE 542
 720 #define VTS_ATTRIBUTES_MIN_SIZE 356
 721
 722 /**
 723  * Video Title Set Attribute Table.
 724  */
 725 typedef struct {
 726   uint16_t nr_of_vtss;
 727   uint16_t zero_1;
 728   uint32_t last_byte;
 729   vts_attributes_t *vts;
 730   uint32_t *vts_atrt_offsets; /* offsets table for each vts_attributes */
 731 } ATTRIBUTE_PACKED vts_atrt_t;
 732 #define VTS_ATRT_SIZE 8
 733
 734 /**
 735  * Text Data. (Incomplete)
 736  */
 737 typedef struct {
 738   uint32_t last_byte;    /* offsets are relative here */
 739   uint16_t offsets[100]; /* == nr_of_srpts + 1 (first is disc title) */
 740 #if 0
 741   uint16_t unknown; /* 0x48 ?? 0x48 words (16bit) info following */
 742   uint16_t zero_1;
 743
 744   uint8_t type_of_info; /* ?? 01 == disc, 02 == Title, 04 == Title part */
 745   uint8_t unknown1;
 746   uint8_t unknown2;
 747   uint8_t unknown3;
 748   uint8_t unknown4; /* ?? allways 0x30 language?, text format? */
 749   uint8_t unknown5;
 750   uint16_t offset; /* from first */
 751
 752   char text[12]; /* ended by 0x09 */
 753 #endif
 754 } ATTRIBUTE_PACKED txtdt_t;
 755
 756 /**
 757  * Text Data Language Unit. (Incomplete)
 758  */
 759 typedef struct {
 760   uint16_t lang_code;
 761   uint16_t unknown;      /* 0x0001, title 1? disc 1? side 1? */
 762   uint32_t txtdt_start_byte;  /* prt, rel start of vmg_txtdt_mgi  */
 763   txtdt_t  *txtdt;
 764 } ATTRIBUTE_PACKED txtdt_lu_t;
 765 #define TXTDT_LU_SIZE 8
 766
 767 /**
 768  * Text Data Manager Information. (Incomplete)
 769  */
 770 typedef struct {
 771   char disc_name[14];            /* how many bytes?? */
 772   uint16_t nr_of_language_units; /* 32bit??          */
 773   uint32_t last_byte;
 774   txtdt_lu_t *lu;
 775 } ATTRIBUTE_PACKED txtdt_mgi_t;
 776 #define TXTDT_MGI_SIZE 20
 777
 778
 779 /**
 780  * VTS
 781  *
 782  * Structures relating to the Video Title Set (VTS).
 783  */
 784
 785 /**
 786  * Video Title Set Information Management Table.
 787  */
 788 typedef struct {
 789   char vts_identifier[12];
 790   uint32_t vts_last_sector;
 791   uint8_t  zero_1[12];
 792   uint32_t vtsi_last_sector;
 793   uint8_t  zero_2;
 794   uint8_t  specification_version;
 795   uint32_t vts_category;
 796   uint16_t zero_3;
 797   uint16_t zero_4;
 798   uint8_t  zero_5;
 799   uint8_t  zero_6[19];
 800   uint16_t zero_7;
 801   uint8_t  zero_8[32];
 802   uint64_t zero_9;
 803   uint8_t  zero_10[24];
 804   uint32_t vtsi_last_byte;
 805   uint32_t zero_11;
 806   uint8_t  zero_12[56];
 807   uint32_t vtsm_vobs;       /* sector */
 808   uint32_t vtstt_vobs;      /* sector */
 809   uint32_t vts_ptt_srpt;    /* sector */
 810   uint32_t vts_pgcit;       /* sector */
 811   uint32_t vtsm_pgci_ut;    /* sector */
 812   uint32_t vts_tmapt;       /* sector */
 813   uint32_t vtsm_c_adt;      /* sector */
 814   uint32_t vtsm_vobu_admap; /* sector */
 815   uint32_t vts_c_adt;       /* sector */
 816   uint32_t vts_vobu_admap;  /* sector */
 817   uint8_t  zero_13[24];
 818
 819   video_attr_t vtsm_video_attr;
 820   uint8_t  zero_14;
 821   uint8_t  nr_of_vtsm_audio_streams; /* should be 0 or 1 */
 822   audio_attr_t vtsm_audio_attr;
 823   audio_attr_t zero_15[7];
 824   uint8_t  zero_16[17];
 825   uint8_t  nr_of_vtsm_subp_streams; /* should be 0 or 1 */
 826   subp_attr_t vtsm_subp_attr;
 827   subp_attr_t zero_17[27];
 828   uint8_t  zero_18[2];
 829
 830   video_attr_t vts_video_attr;
 831   uint8_t  zero_19;
 832   uint8_t  nr_of_vts_audio_streams;
 833   audio_attr_t vts_audio_attr[8];
 834   uint8_t  zero_20[17];
 835   uint8_t  nr_of_vts_subp_streams;
 836   subp_attr_t vts_subp_attr[32];
 837   uint16_t zero_21;
 838   multichannel_ext_t vts_mu_audio_attr[8];
 839   /* XXX: how much 'padding' here, if any? */
 840 } ATTRIBUTE_PACKED vtsi_mat_t;
 841
 842 /**
 843  * PartOfTitle Unit Information.
 844  */
 845 typedef struct {
 846   uint16_t pgcn;
 847   uint16_t pgn;
 848 } ATTRIBUTE_PACKED ptt_info_t;
 849
 850 /**
 851  * PartOfTitle Information.
 852  */
 853 typedef struct {
 854   uint16_t nr_of_ptts;
 855   ptt_info_t *ptt;
 856 } ATTRIBUTE_PACKED ttu_t;
 857
 858 /**
 859  * PartOfTitle Search Pointer Table.
 860  */
 861 typedef struct {
 862   uint16_t nr_of_srpts;
 863   uint16_t zero_1;
 864   uint32_t last_byte;
 865   ttu_t  *title;
 866   uint32_t *ttu_offset; /* offset table for each ttu */
 867 } ATTRIBUTE_PACKED vts_ptt_srpt_t;
 868 #define VTS_PTT_SRPT_SIZE 8
 869
 870
 871 /**
 872  * Time Map Entry.
 873  */
 874 /* Should this be bit field at all or just the uint32_t? */
 875 typedef uint32_t map_ent_t;
 876
 877 /**
 878  * Time Map.
 879  */
 880 typedef struct {
 881   uint8_t  tmu;   /* Time unit, in seconds */
 882   uint8_t  zero_1;
 883   uint16_t nr_of_entries;
 884   map_ent_t *map_ent;
 885 } ATTRIBUTE_PACKED vts_tmap_t;
 886 #define VTS_TMAP_SIZE 4
 887
 888 /**
 889  * Time Map Table.
 890  */
 891 typedef struct {
 892   uint16_t nr_of_tmaps;
 893   uint16_t zero_1;
 894   uint32_t last_byte;
 895   vts_tmap_t *tmap;
 896   uint32_t *tmap_offset; /* offset table for each tmap */
 897 } ATTRIBUTE_PACKED vts_tmapt_t;
 898 #define VTS_TMAPT_SIZE 8
 899
 900
 901 #if PRAGMA_PACK
 902 #pragma pack()
 903 #endif
 904
 905
 906 /**
 907  * The following structure defines an IFO file.  The structure is divided into
 908  * two parts, the VMGI, or Video Manager Information, which is read from the
 909  * VIDEO_TS.[IFO,BUP] file, and the VTSI, or Video Title Set Information, which
 910  * is read in from the VTS_XX_0.[IFO,BUP] files.
 911  */
 912 typedef struct {
 913   dvd_file_t *file;
 914
 915   /* VMGI */
 916   vmgi_mat_t     *vmgi_mat;
 917   tt_srpt_t      *tt_srpt;
 918   pgc_t          *first_play_pgc;
 919   ptl_mait_t     *ptl_mait;
 920   vts_atrt_t     *vts_atrt;
 921   txtdt_mgi_t    *txtdt_mgi;
 922
 923   /* Common */
 924   pgci_ut_t      *pgci_ut;
 925   c_adt_t        *menu_c_adt;
 926   vobu_admap_t   *menu_vobu_admap;
 927
 928   /* VTSI */
 929   vtsi_mat_t     *vtsi_mat;
 930   vts_ptt_srpt_t *vts_ptt_srpt;
 931   pgcit_t        *vts_pgcit;
 932   vts_tmapt_t    *vts_tmapt;
 933   c_adt_t        *vts_c_adt;
 934   vobu_admap_t   *vts_vobu_admap;
 935 } ifo_handle_t;
 936
 937 #endif /* IFO_TYPES_H_INCLUDED */