MythTV: ifo_types.h Source File

00001 #ifndef IFO_TYPES_H_INCLUDED
00002 #define IFO_TYPES_H_INCLUDED
00003 
00004 /*
00005  * Copyright (C) 2000, 2001 Bj�rn Englund <d4bjorn@dtek.chalmers.se>,
00006  *                          H�kan Hjort <d95hjort@dtek.chalmers.se>
00007  *
00008  * This program is free software; you can redistribute it and/or modify
00009  * it under the terms of the GNU General Public License as published by
00010  * the Free Software Foundation; either version 2 of the License, or
00011  * (at your option) any later version.
00012  *
00013  * This program is distributed in the hope that it will be useful,
00014  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00015  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00016  * GNU General Public License for more details.
00017  *
00018  * You should have received a copy of the GNU General Public License
00019  * along with this program; if not, write to the Free Software
00020  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00021  */
00022 
00023 #include <inttypes.h>
00024 #include "dvd_reader.h"
00025 
00026 
00027 #undef ATTRIBUTE_PACKED
00028 #undef PRAGMA_PACK_BEGIN 
00029 #undef PRAGMA_PACK_END
00030 
00031 #if defined(__GNUC__)
00032 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
00033 #define ATTRIBUTE_PACKED __attribute__ ((packed))
00034 #define PRAGMA_PACK 0
00035 #endif
00036 #endif
00037 
00038 #if !defined(ATTRIBUTE_PACKED)
00039 #define ATTRIBUTE_PACKED
00040 #define PRAGMA_PACK 1
00041 #endif
00042 
00043 #if PRAGMA_PACK
00044 #pragma pack(1)
00045 #endif
00046 
00047 
00058 typedef struct {
00059   uint8_t hour;
00060   uint8_t minute;
00061   uint8_t second;
00062   uint8_t frame_u; /* The two high bits are the frame rate. */
00063 } ATTRIBUTE_PACKED dvd_time_t;
00064 
00068 typedef struct {
00069   uint8_t bytes[8];
00070 } ATTRIBUTE_PACKED vm_cmd_t;
00071 #define COMMAND_DATA_SIZE 8
00072 
00073 
00077 typedef struct {
00078 #ifdef WORDS_BIGENDIAN
00079   unsigned char mpeg_version         : 2;
00080   unsigned char video_format         : 2;
00081   unsigned char display_aspect_ratio : 2;
00082   unsigned char permitted_df         : 2;
00083   
00084   unsigned char line21_cc_1          : 1;
00085   unsigned char line21_cc_2          : 1;
00086   unsigned char unknown1             : 1;
00087   unsigned char bit_rate             : 1;
00088   
00089   unsigned char picture_size         : 2;
00090   unsigned char letterboxed          : 1;
00091   unsigned char film_mode            : 1;
00092 #else
00093   unsigned char permitted_df         : 2;
00094   unsigned char display_aspect_ratio : 2;
00095   unsigned char video_format         : 2;
00096   unsigned char mpeg_version         : 2;
00097   
00098   unsigned char film_mode            : 1;
00099   unsigned char letterboxed          : 1;
00100   unsigned char picture_size         : 2;
00101   
00102   unsigned char bit_rate             : 1;
00103   unsigned char unknown1             : 1;
00104   unsigned char line21_cc_2          : 1;
00105   unsigned char line21_cc_1          : 1;
00106 #endif
00107 } ATTRIBUTE_PACKED video_attr_t;
00108 
00112 typedef struct {
00113 #ifdef WORDS_BIGENDIAN
00114   unsigned char audio_format           : 3;
00115   unsigned char multichannel_extension : 1;
00116   unsigned char lang_type              : 2;
00117   unsigned char application_mode       : 2;
00118   
00119   unsigned char quantization           : 2;
00120   unsigned char sample_frequency       : 2;
00121   unsigned char unknown1               : 1;
00122   unsigned char channels               : 3;
00123 #else
00124   unsigned char application_mode       : 2;
00125   unsigned char lang_type              : 2;
00126   unsigned char multichannel_extension : 1;
00127   unsigned char audio_format           : 3;
00128   
00129   unsigned char channels               : 3;
00130   unsigned char unknown1               : 1;
00131   unsigned char sample_frequency       : 2;
00132   unsigned char quantization           : 2;
00133 #endif
00134   uint16_t lang_code;
00135   uint8_t  lang_extension;
00136   uint8_t  code_extension;
00137   uint8_t unknown3;
00138   union {
00139     struct ATTRIBUTE_PACKED {
00140 #ifdef WORDS_BIGENDIAN
00141       unsigned char unknown4           : 1;
00142       unsigned char channel_assignment : 3;
00143       unsigned char version            : 2;
00144       unsigned char mc_intro           : 1; /* probably 0: true, 1:false */
00145       unsigned char mode               : 1; /* Karaoke mode 0: solo 1: duet */
00146 #else
00147       unsigned char mode               : 1;
00148       unsigned char mc_intro           : 1;
00149       unsigned char version            : 2;
00150       unsigned char channel_assignment : 3;
00151       unsigned char unknown4           : 1;
00152 #endif
00153     } karaoke;
00154     struct ATTRIBUTE_PACKED {
00155 #ifdef WORDS_BIGENDIAN
00156       unsigned char unknown5           : 4;
00157       unsigned char dolby_encoded      : 1; /* suitable for surround decoding */
00158       unsigned char unknown6           : 3;
00159 #else
00160       unsigned char unknown6           : 3;
00161       unsigned char dolby_encoded      : 1;
00162       unsigned char unknown5           : 4;
00163 #endif
00164     } surround;
00165   } app_info;
00166 } ATTRIBUTE_PACKED audio_attr_t;
00167 
00168 
00172 typedef struct {
00173 #ifdef WORDS_BIGENDIAN
00174   unsigned int zero1      : 7;
00175   unsigned int ach0_gme   : 1;
00176 
00177   unsigned int zero2      : 7;
00178   unsigned int ach1_gme   : 1;
00179 
00180   unsigned int zero3      : 4;
00181   unsigned int ach2_gv1e  : 1;
00182   unsigned int ach2_gv2e  : 1;
00183   unsigned int ach2_gm1e  : 1;
00184   unsigned int ach2_gm2e  : 1;
00185 
00186   unsigned int zero4      : 4;
00187   unsigned int ach3_gv1e  : 1;
00188   unsigned int ach3_gv2e  : 1;
00189   unsigned int ach3_gmAe  : 1;
00190   unsigned int ach3_se2e  : 1;
00191 
00192   unsigned int zero5      : 4;
00193   unsigned int ach4_gv1e  : 1;
00194   unsigned int ach4_gv2e  : 1;
00195   unsigned int ach4_gmBe  : 1;
00196   unsigned int ach4_seBe  : 1;
00197 #else
00198   unsigned char ach0_gme   : 1;
00199   unsigned char zero1      : 7;
00200 
00201   unsigned char ach1_gme   : 1;
00202   unsigned char zero2      : 7;
00203 
00204   unsigned char ach2_gm2e  : 1;
00205   unsigned char ach2_gm1e  : 1;
00206   unsigned char ach2_gv2e  : 1;
00207   unsigned char ach2_gv1e  : 1;
00208   unsigned char zero3      : 4;
00209 
00210   unsigned char ach3_se2e  : 1;
00211   unsigned char ach3_gmAe  : 1;
00212   unsigned char ach3_gv2e  : 1;
00213   unsigned char ach3_gv1e  : 1;
00214   unsigned char zero4      : 4;
00215 
00216   unsigned char ach4_seBe  : 1;
00217   unsigned char ach4_gmBe  : 1;
00218   unsigned char ach4_gv2e  : 1;
00219   unsigned char ach4_gv1e  : 1;
00220   unsigned char zero5      : 4;
00221 #endif
00222   uint8_t zero6[19];
00223 } ATTRIBUTE_PACKED multichannel_ext_t;
00224 
00225 
00229 typedef struct {
00230   /*
00231    * type: 0 not specified
00232    *       1 language
00233    *       2 other
00234    * coding mode: 0 run length
00235    *              1 extended
00236    *              2 other
00237    * language: indicates language if type == 1
00238    * lang extension: if type == 1 contains the lang extension
00239    */
00240 #ifdef WORDS_BIGENDIAN
00241   unsigned char code_mode : 3;
00242   unsigned char zero1     : 3;
00243   unsigned char type      : 2;
00244 #else
00245   unsigned char type      : 2;
00246   unsigned char zero1     : 3;
00247   unsigned char code_mode : 3;
00248 #endif
00249   uint8_t  zero2;
00250   uint16_t lang_code;
00251   uint8_t  lang_extension;
00252   uint8_t  code_extension;
00253 } ATTRIBUTE_PACKED subp_attr_t;
00254 
00255 
00256 
00260 typedef struct {
00261   uint16_t nr_of_pre;
00262   uint16_t nr_of_post;
00263   uint16_t nr_of_cell;
00264   uint16_t zero_1;
00265   vm_cmd_t *pre_cmds;
00266   vm_cmd_t *post_cmds;
00267   vm_cmd_t *cell_cmds;
00268 } ATTRIBUTE_PACKED pgc_command_tbl_t;
00269 #define PGC_COMMAND_TBL_SIZE 8
00270 
00274 typedef uint8_t pgc_program_map_t; 
00275 
00279 typedef struct {
00280 #ifdef WORDS_BIGENDIAN
00281   unsigned int block_mode       : 2;
00282   unsigned int block_type       : 2;
00283   unsigned int seamless_play    : 1;
00284   unsigned int interleaved      : 1;
00285   unsigned int stc_discontinuity: 1;
00286   unsigned int seamless_angle   : 1;
00287   
00288   unsigned int playback_mode    : 1;  
00289   unsigned int restricted       : 1;  
00290   unsigned int unknown2         : 6;
00291 #else
00292   unsigned char seamless_angle   : 1;
00293   unsigned char stc_discontinuity: 1;
00294   unsigned char interleaved      : 1;
00295   unsigned char seamless_play    : 1;
00296   unsigned char block_type       : 2;
00297   unsigned char block_mode       : 2;
00298   
00299   unsigned char unknown2         : 6;
00300   unsigned char restricted       : 1;
00301   unsigned char playback_mode    : 1;
00302 #endif
00303   uint8_t still_time;
00304   uint8_t cell_cmd_nr;
00305   dvd_time_t playback_time;
00306   uint32_t first_sector;
00307   uint32_t first_ilvu_end_sector;
00308   uint32_t last_vobu_start_sector;
00309   uint32_t last_sector;
00310 } ATTRIBUTE_PACKED cell_playback_t;
00311 
00312 #define BLOCK_TYPE_NONE         0x0
00313 #define BLOCK_TYPE_ANGLE_BLOCK  0x1
00314 
00315 #define BLOCK_MODE_NOT_IN_BLOCK 0x0
00316 #define BLOCK_MODE_FIRST_CELL   0x1
00317 #define BLOCK_MODE_IN_BLOCK     0x2
00318 #define BLOCK_MODE_LAST_CELL    0x3
00319 
00323 typedef struct {
00324   uint16_t vob_id_nr;
00325   uint8_t  zero_1;
00326   uint8_t  cell_nr;
00327 } ATTRIBUTE_PACKED cell_position_t;
00328 
00332 typedef struct {
00333 #ifdef WORDS_BIGENDIAN
00334   unsigned int zero                           : 7; /* 25-31 */
00335   unsigned int video_pres_mode_change         : 1; /* 24 */
00336   
00337   unsigned int karaoke_audio_pres_mode_change : 1; /* 23 */
00338   unsigned int angle_change                   : 1;
00339   unsigned int subpic_stream_change           : 1;
00340   unsigned int audio_stream_change            : 1;
00341   unsigned int pause_on                       : 1;
00342   unsigned int still_off                      : 1;
00343   unsigned int button_select_or_activate      : 1;
00344   unsigned int resume                         : 1; /* 16 */
00345   
00346   unsigned int chapter_menu_call              : 1; /* 15 */
00347   unsigned int angle_menu_call                : 1;
00348   unsigned int audio_menu_call                : 1;
00349   unsigned int subpic_menu_call               : 1;
00350   unsigned int root_menu_call                 : 1;
00351   unsigned int title_menu_call                : 1;
00352   unsigned int backward_scan                  : 1;
00353   unsigned int forward_scan                   : 1; /* 8 */
00354   
00355   unsigned int next_pg_search                 : 1; /* 7 */
00356   unsigned int prev_or_top_pg_search          : 1;
00357   unsigned int time_or_chapter_search         : 1;
00358   unsigned int go_up                          : 1;
00359   unsigned int stop                           : 1;
00360   unsigned int title_play                     : 1;
00361   unsigned int chapter_search_or_play         : 1;
00362   unsigned int title_or_time_play             : 1; /* 0 */
00363 #else
00364   unsigned int video_pres_mode_change         : 1; /* 24 */
00365   unsigned int zero                           : 7; /* 25-31 */
00366   
00367   unsigned int resume                         : 1; /* 16 */
00368   unsigned int button_select_or_activate      : 1;
00369   unsigned int still_off                      : 1;
00370   unsigned int pause_on                       : 1;
00371   unsigned int audio_stream_change            : 1;
00372   unsigned int subpic_stream_change           : 1;
00373   unsigned int angle_change                   : 1;
00374   unsigned int karaoke_audio_pres_mode_change : 1; /* 23 */
00375   
00376   unsigned int forward_scan                   : 1; /* 8 */
00377   unsigned int backward_scan                  : 1;
00378   unsigned int title_menu_call                : 1;
00379   unsigned int root_menu_call                 : 1;
00380   unsigned int subpic_menu_call               : 1;
00381   unsigned int audio_menu_call                : 1;
00382   unsigned int angle_menu_call                : 1;
00383   unsigned int chapter_menu_call              : 1; /* 15 */
00384   
00385   unsigned int title_or_time_play             : 1; /* 0 */
00386   unsigned int chapter_search_or_play         : 1;
00387   unsigned int title_play                     : 1;
00388   unsigned int stop                           : 1;
00389   unsigned int go_up                          : 1;
00390   unsigned int time_or_chapter_search         : 1;
00391   unsigned int prev_or_top_pg_search          : 1;
00392   unsigned int next_pg_search                 : 1; /* 7 */
00393 #endif
00394 } ATTRIBUTE_PACKED user_ops_t;
00395 
00400 typedef struct {
00401 #ifdef WORDS_BIGENDIAN
00402   unsigned int present   : 1;
00403   unsigned int zero1     : 2;
00404   unsigned int s_4p3     : 5; /* stream for 4:3 on any display */
00405 
00406   unsigned int zero2     : 3;
00407   unsigned int s_wide    : 5; /* stream for 16:9 on widescreen display */
00408 
00409   unsigned int zero3     : 3;
00410   unsigned int s_lbox    : 5; /* stream for 16:9 on letterboxed 4:3 display */
00411 
00412   unsigned int zero4     : 3;
00413   unsigned int s_panscan : 5; /* stream for 16:9 with pan&scan data on 4:3 display */
00414 #else
00415   unsigned int s_4p3     : 5; /* stream for 4:3 on any display */
00416   unsigned int zero1     : 2;
00417   unsigned int present   : 1;
00418 
00419   unsigned int s_wide    : 5; /* stream for 16:9 on widescreen display */
00420   unsigned int zero2     : 3;
00421 
00422   unsigned int s_lbox    : 5; /* stream for 16:9 on letterboxed 4:3 display */
00423   unsigned int zero3     : 3;
00424 
00425   unsigned int s_panscan : 5; /* stream for 16:9 with pan&scan data on 4:3 display */
00426   unsigned int zero4     : 3;
00427 #endif
00428 } ATTRIBUTE_PACKED subp_mapping_t;
00429 
00433 typedef struct {
00434 #ifdef WORDS_BIGENDIAN
00435   unsigned int present : 1;
00436   unsigned int zero1   : 4;
00437   unsigned int s_audio : 3;
00438 #else
00439   unsigned int s_audio : 3;
00440   unsigned int zero1   : 4;
00441   unsigned int present : 1;
00442 #endif
00443   uint8_t zero2;
00444 } ATTRIBUTE_PACKED audio_mapping_t;
00445 
00449 typedef struct {
00450   uint16_t zero_1;
00451   uint8_t  nr_of_programs;
00452   uint8_t  nr_of_cells;
00453   dvd_time_t playback_time;
00454   user_ops_t prohibited_ops;
00455   audio_mapping_t audio_control[8];
00456   subp_mapping_t subp_control[32];
00457   uint16_t next_pgc_nr;
00458   uint16_t prev_pgc_nr;
00459   uint16_t goup_pgc_nr;
00460   uint8_t  still_time;
00461   uint8_t  pg_playback_mode;
00462   uint32_t palette[16]; /* New type struct {zero_1, Y, Cr, Cb} ? */
00463   uint16_t command_tbl_offset;
00464   uint16_t program_map_offset;
00465   uint16_t cell_playback_offset;
00466   uint16_t cell_position_offset;
00467   pgc_command_tbl_t *command_tbl;
00468   pgc_program_map_t  *program_map;
00469   cell_playback_t *cell_playback;
00470   cell_position_t *cell_position;
00471 } ATTRIBUTE_PACKED pgc_t;
00472 #define PGC_SIZE 236
00473 
00477 typedef struct {
00478   uint8_t  entry_id;
00479 #ifdef WORDS_BIGENDIAN
00480   unsigned int block_mode : 2;
00481   unsigned int block_type : 2;
00482   unsigned int unknown1   : 4;
00483 #else
00484   unsigned char unknown1   : 4;
00485   unsigned char block_type : 2;
00486   unsigned char block_mode : 2;
00487 #endif  
00488   uint16_t ptl_id_mask;
00489   uint32_t pgc_start_byte;
00490   pgc_t *pgc;
00491 } ATTRIBUTE_PACKED pgci_srp_t;
00492 #define PGCI_SRP_SIZE 8
00493 
00497 typedef struct {
00498   uint16_t nr_of_pgci_srp;
00499   uint16_t zero_1;
00500   uint32_t last_byte;
00501   pgci_srp_t *pgci_srp;
00502 } ATTRIBUTE_PACKED pgcit_t;
00503 #define PGCIT_SIZE 8
00504 
00508 typedef struct {
00509   uint16_t lang_code;
00510   uint8_t  lang_extension;
00511   uint8_t  exists;
00512   uint32_t lang_start_byte;
00513   pgcit_t *pgcit;
00514 } ATTRIBUTE_PACKED pgci_lu_t;
00515 #define PGCI_LU_SIZE 8
00516 
00520 typedef struct {
00521   uint16_t nr_of_lus;
00522   uint16_t zero_1;
00523   uint32_t last_byte;
00524   pgci_lu_t *lu;
00525 } ATTRIBUTE_PACKED pgci_ut_t;
00526 #define PGCI_UT_SIZE 8
00527 
00531 typedef struct {
00532   uint16_t vob_id;
00533   uint8_t  cell_id;
00534   uint8_t  zero_1;
00535   uint32_t start_sector;
00536   uint32_t last_sector;
00537 } ATTRIBUTE_PACKED cell_adr_t;
00538 
00542 typedef struct {
00543   uint16_t nr_of_vobs; /* VOBs */
00544   uint16_t zero_1;
00545   uint32_t last_byte;
00546   cell_adr_t *cell_adr_table;  /* No explicit size given. */
00547 } ATTRIBUTE_PACKED c_adt_t;
00548 #define C_ADT_SIZE 8
00549 
00553 typedef struct {
00554   uint32_t last_byte;
00555   uint32_t *vobu_start_sectors;
00556 } ATTRIBUTE_PACKED vobu_admap_t;
00557 #define VOBU_ADMAP_SIZE 4
00558 
00559 
00560 
00561 
00571 typedef struct {
00572   char     vmg_identifier[12];
00573   uint32_t vmg_last_sector;
00574   uint8_t  zero_1[12];
00575   uint32_t vmgi_last_sector;
00576   uint8_t  zero_2;
00577   uint8_t  specification_version;
00578   uint32_t vmg_category;
00579   uint16_t vmg_nr_of_volumes;
00580   uint16_t vmg_this_volume_nr;
00581   uint8_t  disc_side;
00582   uint8_t  zero_3[19];
00583   uint16_t vmg_nr_of_title_sets;  /* Number of VTSs. */
00584   char     provider_identifier[32];
00585   uint64_t vmg_pos_code;
00586   uint8_t  zero_4[24];
00587   uint32_t vmgi_last_byte;
00588   uint32_t first_play_pgc;
00589   uint8_t  zero_5[56];
00590   uint32_t vmgm_vobs;             /* sector */
00591   uint32_t tt_srpt;               /* sector */
00592   uint32_t vmgm_pgci_ut;          /* sector */
00593   uint32_t ptl_mait;              /* sector */
00594   uint32_t vts_atrt;              /* sector */
00595   uint32_t txtdt_mgi;             /* sector */
00596   uint32_t vmgm_c_adt;            /* sector */
00597   uint32_t vmgm_vobu_admap;       /* sector */
00598   uint8_t  zero_6[32];
00599   
00600   video_attr_t vmgm_video_attr;
00601   uint8_t  zero_7;
00602   uint8_t  nr_of_vmgm_audio_streams; /* should be 0 or 1 */
00603   audio_attr_t vmgm_audio_attr;
00604   audio_attr_t zero_8[7];
00605   uint8_t  zero_9[17];
00606   uint8_t  nr_of_vmgm_subp_streams; /* should be 0 or 1 */
00607   subp_attr_t  vmgm_subp_attr;
00608   subp_attr_t  zero_10[27];  /* XXX: how much 'padding' here? */
00609 } ATTRIBUTE_PACKED vmgi_mat_t;
00610 
00611 typedef struct {
00612 #ifdef WORDS_BIGENDIAN
00613   unsigned int zero_1                    : 1;
00614   unsigned int multi_or_random_pgc_title : 1; /* 0: one sequential pgc title */
00615   unsigned int jlc_exists_in_cell_cmd    : 1;
00616   unsigned int jlc_exists_in_prepost_cmd : 1;
00617   unsigned int jlc_exists_in_button_cmd  : 1;
00618   unsigned int jlc_exists_in_tt_dom      : 1;
00619   unsigned int chapter_search_or_play    : 1; /* UOP 1 */
00620   unsigned int title_or_time_play        : 1; /* UOP 0 */
00621 #else
00622   unsigned char title_or_time_play        : 1;
00623   unsigned char chapter_search_or_play    : 1;
00624   unsigned char jlc_exists_in_tt_dom      : 1;
00625   unsigned char jlc_exists_in_button_cmd  : 1;
00626   unsigned char jlc_exists_in_prepost_cmd : 1;
00627   unsigned char jlc_exists_in_cell_cmd    : 1;
00628   unsigned char multi_or_random_pgc_title : 1;
00629   unsigned char zero_1                    : 1;
00630 #endif
00631 } ATTRIBUTE_PACKED playback_type_t;
00632 
00636 typedef struct {
00637   playback_type_t pb_ty;
00638   uint8_t  nr_of_angles;
00639   uint16_t nr_of_ptts;
00640   uint16_t parental_id;
00641   uint8_t  title_set_nr;
00642   uint8_t  vts_ttn;
00643   uint32_t title_set_sector;
00644 } ATTRIBUTE_PACKED title_info_t;
00645 
00649 typedef struct {
00650   uint16_t nr_of_srpts;
00651   uint16_t zero_1;
00652   uint32_t last_byte;
00653   title_info_t *title;
00654 } ATTRIBUTE_PACKED tt_srpt_t;
00655 #define TT_SRPT_SIZE 8
00656 
00657 
00662 typedef uint16_t pf_level_t[8];
00663 
00667 typedef struct {
00668   uint16_t country_code;
00669   uint16_t zero_1;
00670   uint16_t pf_ptl_mai_start_byte;
00671   uint16_t zero_2;
00672   pf_level_t *pf_ptl_mai; /* table of (nr_of_vtss + 1), video_ts is first */
00673 } ATTRIBUTE_PACKED ptl_mait_country_t;
00674 #define PTL_MAIT_COUNTRY_SIZE 8
00675 
00679 typedef struct {
00680   uint16_t nr_of_countries;
00681   uint16_t nr_of_vtss;
00682   uint32_t last_byte;
00683   ptl_mait_country_t *countries;
00684 } ATTRIBUTE_PACKED ptl_mait_t;
00685 #define PTL_MAIT_SIZE 8
00686 
00690 typedef struct {
00691   uint32_t last_byte;
00692   uint32_t vts_cat;
00693   
00694   video_attr_t vtsm_vobs_attr;
00695   uint8_t  zero_1;
00696   uint8_t  nr_of_vtsm_audio_streams; /* should be 0 or 1 */
00697   audio_attr_t vtsm_audio_attr;
00698   audio_attr_t zero_2[7];  
00699   uint8_t  zero_3[16];
00700   uint8_t  zero_4;
00701   uint8_t  nr_of_vtsm_subp_streams; /* should be 0 or 1 */
00702   subp_attr_t vtsm_subp_attr;
00703   subp_attr_t zero_5[27];
00704   
00705   uint8_t  zero_6[2];
00706   
00707   video_attr_t vtstt_vobs_video_attr;
00708   uint8_t  zero_7;
00709   uint8_t  nr_of_vtstt_audio_streams;
00710   audio_attr_t vtstt_audio_attr[8];
00711   uint8_t  zero_8[16];
00712   uint8_t  zero_9;
00713   uint8_t  nr_of_vtstt_subp_streams;
00714   subp_attr_t vtstt_subp_attr[32];
00715 } ATTRIBUTE_PACKED vts_attributes_t;
00716 #define VTS_ATTRIBUTES_SIZE 542
00717 #define VTS_ATTRIBUTES_MIN_SIZE 356
00718 
00722 typedef struct {
00723   uint16_t nr_of_vtss;
00724   uint16_t zero_1;
00725   uint32_t last_byte;
00726   vts_attributes_t *vts;
00727   uint32_t *vts_atrt_offsets; /* offsets table for each vts_attributes */
00728 } ATTRIBUTE_PACKED vts_atrt_t;
00729 #define VTS_ATRT_SIZE 8
00730 
00734 typedef struct {
00735   uint32_t last_byte;    /* offsets are relative here */
00736   uint16_t offsets[100]; /* == nr_of_srpts + 1 (first is disc title) */
00737 #if 0  
00738   uint16_t unknown; /* 0x48 ?? 0x48 words (16bit) info following */
00739   uint16_t zero_1;
00740   
00741   uint8_t type_of_info; /* ?? 01 == disc, 02 == Title, 04 == Title part */
00742   uint8_t unknown1;
00743   uint8_t unknown2;
00744   uint8_t unknown3;
00745   uint8_t unknown4; /* ?? allways 0x30 language?, text format? */
00746   uint8_t unknown5;
00747   uint16_t offset; /* from first */
00748   
00749   char text[12]; /* ended by 0x09 */
00750 #endif
00751 } ATTRIBUTE_PACKED txtdt_t;
00752 
00756 typedef struct {
00757   uint16_t lang_code;
00758   uint16_t unknown;      /* 0x0001, title 1? disc 1? side 1? */
00759   uint32_t txtdt_start_byte;  /* prt, rel start of vmg_txtdt_mgi  */
00760   txtdt_t  *txtdt;
00761 } ATTRIBUTE_PACKED txtdt_lu_t;
00762 #define TXTDT_LU_SIZE 8
00763 
00767 typedef struct {
00768   char disc_name[14];            /* how many bytes?? */
00769   uint16_t nr_of_language_units; /* 32bit??          */
00770   uint32_t last_byte;
00771   txtdt_lu_t *lu;
00772 } ATTRIBUTE_PACKED txtdt_mgi_t;
00773 #define TXTDT_MGI_SIZE 20
00774 
00775 
00785 typedef struct {
00786   char vts_identifier[12];
00787   uint32_t vts_last_sector;
00788   uint8_t  zero_1[12];
00789   uint32_t vtsi_last_sector;
00790   uint8_t  zero_2;
00791   uint8_t  specification_version;
00792   uint32_t vts_category;
00793   uint16_t zero_3;
00794   uint16_t zero_4;
00795   uint8_t  zero_5;
00796   uint8_t  zero_6[19];
00797   uint16_t zero_7;
00798   uint8_t  zero_8[32];
00799   uint64_t zero_9;
00800   uint8_t  zero_10[24];
00801   uint32_t vtsi_last_byte;
00802   uint32_t zero_11;
00803   uint8_t  zero_12[56];
00804   uint32_t vtsm_vobs;       /* sector */
00805   uint32_t vtstt_vobs;      /* sector */
00806   uint32_t vts_ptt_srpt;    /* sector */
00807   uint32_t vts_pgcit;       /* sector */
00808   uint32_t vtsm_pgci_ut;    /* sector */
00809   uint32_t vts_tmapt;       /* sector */
00810   uint32_t vtsm_c_adt;      /* sector */
00811   uint32_t vtsm_vobu_admap; /* sector */
00812   uint32_t vts_c_adt;       /* sector */
00813   uint32_t vts_vobu_admap;  /* sector */
00814   uint8_t  zero_13[24];
00815   
00816   video_attr_t vtsm_video_attr;
00817   uint8_t  zero_14;
00818   uint8_t  nr_of_vtsm_audio_streams; /* should be 0 or 1 */
00819   audio_attr_t vtsm_audio_attr;
00820   audio_attr_t zero_15[7];
00821   uint8_t  zero_16[17];
00822   uint8_t  nr_of_vtsm_subp_streams; /* should be 0 or 1 */
00823   subp_attr_t vtsm_subp_attr;
00824   subp_attr_t zero_17[27];
00825   uint8_t  zero_18[2];
00826   
00827   video_attr_t vts_video_attr;
00828   uint8_t  zero_19;
00829   uint8_t  nr_of_vts_audio_streams;
00830   audio_attr_t vts_audio_attr[8];
00831   uint8_t  zero_20[17];
00832   uint8_t  nr_of_vts_subp_streams;
00833   subp_attr_t vts_subp_attr[32];
00834   uint16_t zero_21;
00835   multichannel_ext_t vts_mu_audio_attr[8];
00836   /* XXX: how much 'padding' here, if any? */
00837 } ATTRIBUTE_PACKED vtsi_mat_t;
00838 
00842 typedef struct {
00843   uint16_t pgcn;
00844   uint16_t pgn;
00845 } ATTRIBUTE_PACKED ptt_info_t;
00846 
00850 typedef struct {
00851   uint16_t nr_of_ptts;
00852   ptt_info_t *ptt;
00853 } ATTRIBUTE_PACKED ttu_t;
00854 
00858 typedef struct {
00859   uint16_t nr_of_srpts;
00860   uint16_t zero_1;
00861   uint32_t last_byte;
00862   ttu_t  *title;
00863   uint32_t *ttu_offset; /* offset table for each ttu */
00864 } ATTRIBUTE_PACKED vts_ptt_srpt_t;
00865 #define VTS_PTT_SRPT_SIZE 8
00866 
00867 
00871 /* Should this be bit field at all or just the uint32_t? */
00872 typedef uint32_t map_ent_t;
00873 
00877 typedef struct {
00878   uint8_t  tmu;   /* Time unit, in seconds */
00879   uint8_t  zero_1;
00880   uint16_t nr_of_entries;
00881   map_ent_t *map_ent;
00882 } ATTRIBUTE_PACKED vts_tmap_t;
00883 #define VTS_TMAP_SIZE 4
00884 
00888 typedef struct {
00889   uint16_t nr_of_tmaps;
00890   uint16_t zero_1;
00891   uint32_t last_byte;
00892   vts_tmap_t *tmap;
00893   uint32_t *tmap_offset; /* offset table for each tmap */
00894 } ATTRIBUTE_PACKED vts_tmapt_t;
00895 #define VTS_TMAPT_SIZE 8
00896 
00897 
00898 #if PRAGMA_PACK
00899 #pragma pack()
00900 #endif
00901 
00902 
00909 typedef struct {
00910   dvd_file_t *file;
00911   
00912   /* VMGI */
00913   vmgi_mat_t     *vmgi_mat;
00914   tt_srpt_t      *tt_srpt;
00915   pgc_t          *first_play_pgc;    
00916   ptl_mait_t     *ptl_mait;
00917   vts_atrt_t     *vts_atrt;
00918   txtdt_mgi_t    *txtdt_mgi;
00919   
00920   /* Common */
00921   pgci_ut_t      *pgci_ut;
00922   c_adt_t        *menu_c_adt;
00923   vobu_admap_t   *menu_vobu_admap;
00924   
00925   /* VTSI */
00926   vtsi_mat_t     *vtsi_mat;
00927   vts_ptt_srpt_t *vts_ptt_srpt;
00928   pgcit_t        *vts_pgcit;
00929   vts_tmapt_t    *vts_tmapt;
00930   c_adt_t        *vts_c_adt;
00931   vobu_admap_t   *vts_vobu_admap;
00932 } ifo_handle_t;
00933 
00934 #endif /* IFO_TYPES_H_INCLUDED */