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/*
* Copyright (C) 2000, 2001 Björn Englund <d4bjorn@dtek.chalmers.se>,
* Håkan Hjort <d95hjort@dtek.chalmers.se>
*
* This file is part of libdvdread.
*
* libdvdread is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* libdvdread is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with libdvdread; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef LIBDVDREAD_IFO_TYPES_H
#define LIBDVDREAD_IFO_TYPES_H
#include <inttypes.h>
#include "dvdread/dvd_reader.h"
#undef ATTRIBUTE_PACKED
#undef PRAGMA_PACK_BEGIN
#undef PRAGMA_PACK_END
#if defined(__GNUC__)
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
#define ATTRIBUTE_PACKED __attribute__ ((packed,gcc_struct))
#else
#define ATTRIBUTE_PACKED __attribute__ ((packed))
#endif
#define PRAGMA_PACK 0
#endif
#endif
#if !defined(ATTRIBUTE_PACKED)
#define ATTRIBUTE_PACKED
#define PRAGMA_PACK 1
#endif
#if PRAGMA_PACK
#pragma pack(1)
#endif
/**
* Common
*
* The following structures are used in both the VMGI and VTSI.
*/
/**
* DVD Time Information.
*/
typedef struct {
uint8_t hour;
uint8_t minute;
uint8_t second;
uint8_t frame_u; /* The two high bits are the frame rate. */
} ATTRIBUTE_PACKED dvd_time_t;
/**
* Type to store per-command data.
*/
typedef struct {
uint8_t bytes[8];
} ATTRIBUTE_PACKED vm_cmd_t;
#define COMMAND_DATA_SIZE 8U
/**
* Video Attributes.
*/
typedef struct {
unsigned char mpeg_version : 2;
unsigned char video_format : 2;
unsigned char display_aspect_ratio : 2;
unsigned char permitted_df : 2;
unsigned char line21_cc_1 : 1;
unsigned char line21_cc_2 : 1;
unsigned char unknown1 : 1;
unsigned char bit_rate : 1;
unsigned char picture_size : 2;
unsigned char letterboxed : 1;
unsigned char film_mode : 1;
} ATTRIBUTE_PACKED video_attr_t;
/**
* Audio Attributes.
*/
typedef struct {
unsigned char audio_format : 3;
unsigned char multichannel_extension : 1;
unsigned char lang_type : 2;
unsigned char application_mode : 2;
unsigned char quantization : 2;
unsigned char sample_frequency : 2;
unsigned char unknown1 : 1;
unsigned char channels : 3;
uint16_t lang_code;
uint8_t lang_extension;
uint8_t code_extension;
uint8_t unknown3;
union {
struct ATTRIBUTE_PACKED {
unsigned char unknown4 : 1;
unsigned char channel_assignment : 3;
unsigned char version : 2;
unsigned char mc_intro : 1; /* probably 0: true, 1:false */
unsigned char mode : 1; /* Karaoke mode 0: solo 1: duet */
} karaoke;
struct ATTRIBUTE_PACKED {
unsigned char unknown5 : 4;
unsigned char dolby_encoded : 1; /* suitable for surround decoding */
unsigned char unknown6 : 3;
} surround;
} ATTRIBUTE_PACKED app_info;
} ATTRIBUTE_PACKED audio_attr_t;
/**
* MultiChannel Extension
*/
typedef struct {
unsigned int zero1 : 7;
unsigned int ach0_gme : 1;
unsigned int zero2 : 7;
unsigned int ach1_gme : 1;
unsigned int zero3 : 4;
unsigned int ach2_gv1e : 1;
unsigned int ach2_gv2e : 1;
unsigned int ach2_gm1e : 1;
unsigned int ach2_gm2e : 1;
unsigned int zero4 : 4;
unsigned int ach3_gv1e : 1;
unsigned int ach3_gv2e : 1;
unsigned int ach3_gmAe : 1;
unsigned int ach3_se2e : 1;
unsigned int zero5 : 4;
unsigned int ach4_gv1e : 1;
unsigned int ach4_gv2e : 1;
unsigned int ach4_gmBe : 1;
unsigned int ach4_seBe : 1;
uint8_t zero6[19];
} ATTRIBUTE_PACKED multichannel_ext_t;
/**
* Subpicture Attributes.
*/
typedef struct {
/*
* type: 0 not specified
* 1 language
* 2 other
* coding mode: 0 run length
* 1 extended
* 2 other
* language: indicates language if type == 1
* lang extension: if type == 1 contains the lang extension
*/
unsigned char code_mode : 3;
unsigned char zero1 : 3;
unsigned char type : 2;
uint8_t zero2;
uint16_t lang_code;
uint8_t lang_extension;
uint8_t code_extension;
} ATTRIBUTE_PACKED subp_attr_t;
/**
* PGC Command Table.
*/
typedef struct {
uint16_t nr_of_pre;
uint16_t nr_of_post;
uint16_t nr_of_cell;
uint16_t zero_1;
vm_cmd_t *pre_cmds;
vm_cmd_t *post_cmds;
vm_cmd_t *cell_cmds;
} ATTRIBUTE_PACKED pgc_command_tbl_t;
#define PGC_COMMAND_TBL_SIZE 8U
/**
* PGC Program Map
*/
typedef uint8_t pgc_program_map_t;
/**
* Cell Playback Information.
*/
typedef struct {
unsigned int block_mode : 2;
unsigned int block_type : 2;
unsigned int seamless_play : 1;
unsigned int interleaved : 1;
unsigned int stc_discontinuity: 1;
unsigned int seamless_angle : 1;
unsigned int playback_mode : 1; /**< When set, enter StillMode after each VOBU */
unsigned int restricted : 1; /**< ?? drop out of fastforward? */
unsigned int unknown2 : 6;
uint8_t still_time;
uint8_t cell_cmd_nr;
dvd_time_t playback_time;
uint32_t first_sector;
uint32_t first_ilvu_end_sector;
uint32_t last_vobu_start_sector;
uint32_t last_sector;
} ATTRIBUTE_PACKED cell_playback_t;
#define BLOCK_TYPE_NONE 0x0
#define BLOCK_TYPE_ANGLE_BLOCK 0x1
#define BLOCK_MODE_NOT_IN_BLOCK 0x0
#define BLOCK_MODE_FIRST_CELL 0x1
#define BLOCK_MODE_IN_BLOCK 0x2
#define BLOCK_MODE_LAST_CELL 0x3
/**
* Cell Position Information.
*/
typedef struct {
uint16_t vob_id_nr;
uint8_t zero_1;
uint8_t cell_nr;
} ATTRIBUTE_PACKED cell_position_t;
/**
* User Operations.
*/
typedef struct {
unsigned int zero : 7; /* 25-31 */
unsigned int video_pres_mode_change : 1; /* 24 */
unsigned int karaoke_audio_pres_mode_change : 1; /* 23 */
unsigned int angle_change : 1;
unsigned int subpic_stream_change : 1;
unsigned int audio_stream_change : 1;
unsigned int pause_on : 1;
unsigned int still_off : 1;
unsigned int button_select_or_activate : 1;
unsigned int resume : 1; /* 16 */
unsigned int chapter_menu_call : 1; /* 15 */
unsigned int angle_menu_call : 1;
unsigned int audio_menu_call : 1;
unsigned int subpic_menu_call : 1;
unsigned int root_menu_call : 1;
unsigned int title_menu_call : 1;
unsigned int backward_scan : 1;
unsigned int forward_scan : 1; /* 8 */
unsigned int next_pg_search : 1; /* 7 */
unsigned int prev_or_top_pg_search : 1;
unsigned int time_or_chapter_search : 1;
unsigned int go_up : 1;
unsigned int stop : 1;
unsigned int title_play : 1;
unsigned int chapter_search_or_play : 1;
unsigned int title_or_time_play : 1; /* 0 */
} ATTRIBUTE_PACKED user_ops_t;
/**
* Program Chain Information.
*/
typedef struct {
uint16_t zero_1;
uint8_t nr_of_programs;
uint8_t nr_of_cells;
dvd_time_t playback_time;
user_ops_t prohibited_ops;
uint16_t audio_control[8]; /* New type? */
uint32_t subp_control[32]; /* New type? */
uint16_t next_pgc_nr;
uint16_t prev_pgc_nr;
uint16_t goup_pgc_nr;
uint8_t still_time;
uint8_t pg_playback_mode;
uint32_t palette[16]; /* New type struct {zero_1, Y, Cr, Cb} ? */
uint16_t command_tbl_offset;
uint16_t program_map_offset;
uint16_t cell_playback_offset;
uint16_t cell_position_offset;
pgc_command_tbl_t *command_tbl;
pgc_program_map_t *program_map;
cell_playback_t *cell_playback;
cell_position_t *cell_position;
int ref_count;
} ATTRIBUTE_PACKED pgc_t;
#define PGC_SIZE 236U
/**
* Program Chain Information Search Pointer.
*/
typedef struct {
uint8_t entry_id;
unsigned int block_mode : 2;
unsigned int block_type : 2;
unsigned int unknown1 : 4;
uint16_t ptl_id_mask;
uint32_t pgc_start_byte;
pgc_t *pgc;
} ATTRIBUTE_PACKED pgci_srp_t;
#define PGCI_SRP_SIZE 8U
/**
* Program Chain Information Table.
*/
typedef struct {
uint16_t nr_of_pgci_srp;
uint16_t zero_1;
uint32_t last_byte;
pgci_srp_t *pgci_srp;
int ref_count;
} ATTRIBUTE_PACKED pgcit_t;
#define PGCIT_SIZE 8U
/**
* Menu PGCI Language Unit.
*/
typedef struct {
uint16_t lang_code;
uint8_t lang_extension;
uint8_t exists;
uint32_t lang_start_byte;
pgcit_t *pgcit;
} ATTRIBUTE_PACKED pgci_lu_t;
#define PGCI_LU_SIZE 8U
/**
* Menu PGCI Unit Table.
*/
typedef struct {
uint16_t nr_of_lus;
uint16_t zero_1;
uint32_t last_byte;
pgci_lu_t *lu;
} ATTRIBUTE_PACKED pgci_ut_t;
#define PGCI_UT_SIZE 8U
/**
* Cell Address Information.
*/
typedef struct {
uint16_t vob_id;
uint8_t cell_id;
uint8_t zero_1;
uint32_t start_sector;
uint32_t last_sector;
} ATTRIBUTE_PACKED cell_adr_t;
/**
* Cell Address Table.
*/
typedef struct {
uint16_t nr_of_vobs; /* VOBs */
uint16_t zero_1;
uint32_t last_byte;
cell_adr_t *cell_adr_table; /* No explicit size given. */
} ATTRIBUTE_PACKED c_adt_t;
#define C_ADT_SIZE 8U
/**
* VOBU Address Map.
*/
typedef struct {
uint32_t last_byte;
uint32_t *vobu_start_sectors;
} ATTRIBUTE_PACKED vobu_admap_t;
#define VOBU_ADMAP_SIZE 4U
/**
* VMGI
*
* The following structures relate to the Video Manager.
*/
/**
* Video Manager Information Management Table.
*/
typedef struct {
char vmg_identifier[12];
uint32_t vmg_last_sector;
uint8_t zero_1[12];
uint32_t vmgi_last_sector;
uint8_t zero_2;
uint8_t specification_version;
uint32_t vmg_category;
uint16_t vmg_nr_of_volumes;
uint16_t vmg_this_volume_nr;
uint8_t disc_side;
uint8_t zero_3[19];
uint16_t vmg_nr_of_title_sets; /* Number of VTSs. */
char provider_identifier[32];
uint64_t vmg_pos_code;
uint8_t zero_4[24];
uint32_t vmgi_last_byte;
uint32_t first_play_pgc;
uint8_t zero_5[56];
uint32_t vmgm_vobs; /* sector */
uint32_t tt_srpt; /* sector */
uint32_t vmgm_pgci_ut; /* sector */
uint32_t ptl_mait; /* sector */
uint32_t vts_atrt; /* sector */
uint32_t txtdt_mgi; /* sector */
uint32_t vmgm_c_adt; /* sector */
uint32_t vmgm_vobu_admap; /* sector */
uint8_t zero_6[32];
video_attr_t vmgm_video_attr;
uint8_t zero_7;
uint8_t nr_of_vmgm_audio_streams; /* should be 0 or 1 */
audio_attr_t vmgm_audio_attr;
audio_attr_t zero_8[7];
uint8_t zero_9[17];
uint8_t nr_of_vmgm_subp_streams; /* should be 0 or 1 */
subp_attr_t vmgm_subp_attr;
subp_attr_t zero_10[27]; /* XXX: how much 'padding' here? */
} ATTRIBUTE_PACKED vmgi_mat_t;
typedef struct {
unsigned int zero_1 : 1;
unsigned int multi_or_random_pgc_title : 1; /* 0: one sequential pgc title */
unsigned int jlc_exists_in_cell_cmd : 1;
unsigned int jlc_exists_in_prepost_cmd : 1;
unsigned int jlc_exists_in_button_cmd : 1;
unsigned int jlc_exists_in_tt_dom : 1;
unsigned int chapter_search_or_play : 1; /* UOP 1 */
unsigned int title_or_time_play : 1; /* UOP 0 */
} ATTRIBUTE_PACKED playback_type_t;
/**
* Title Information.
*/
typedef struct {
playback_type_t pb_ty;
uint8_t nr_of_angles;
uint16_t nr_of_ptts;
uint16_t parental_id;
uint8_t title_set_nr;
uint8_t vts_ttn;
uint32_t title_set_sector;
} ATTRIBUTE_PACKED title_info_t;
/**
* PartOfTitle Search Pointer Table.
*/
typedef struct {
uint16_t nr_of_srpts;
uint16_t zero_1;
uint32_t last_byte;
title_info_t *title;
} ATTRIBUTE_PACKED tt_srpt_t;
#define TT_SRPT_SIZE 8U
/**
* Parental Management Information Unit Table.
* Level 1 (US: G), ..., 7 (US: NC-17), 8
*/
#define PTL_MAIT_NUM_LEVEL 8
typedef uint16_t pf_level_t[PTL_MAIT_NUM_LEVEL];
/**
* Parental Management Information Unit Table.
*/
typedef struct {
uint16_t country_code;
uint16_t zero_1;
uint16_t pf_ptl_mai_start_byte;
uint16_t zero_2;
pf_level_t *pf_ptl_mai; /* table of (nr_of_vtss + 1), video_ts is first */
} ATTRIBUTE_PACKED ptl_mait_country_t;
#define PTL_MAIT_COUNTRY_SIZE 8U
/**
* Parental Management Information Table.
*/
typedef struct {
uint16_t nr_of_countries;
uint16_t nr_of_vtss;
uint32_t last_byte;
ptl_mait_country_t *countries;
} ATTRIBUTE_PACKED ptl_mait_t;
#define PTL_MAIT_SIZE 8U
/**
* Video Title Set Attributes.
*/
typedef struct {
uint32_t last_byte;
uint32_t vts_cat;
video_attr_t vtsm_vobs_attr;
uint8_t zero_1;
uint8_t nr_of_vtsm_audio_streams; /* should be 0 or 1 */
audio_attr_t vtsm_audio_attr;
audio_attr_t zero_2[7];
uint8_t zero_3[16];
uint8_t zero_4;
uint8_t nr_of_vtsm_subp_streams; /* should be 0 or 1 */
subp_attr_t vtsm_subp_attr;
subp_attr_t zero_5[27];
uint8_t zero_6[2];
video_attr_t vtstt_vobs_video_attr;
uint8_t zero_7;
uint8_t nr_of_vtstt_audio_streams;
audio_attr_t vtstt_audio_attr[8];
uint8_t zero_8[16];
uint8_t zero_9;
uint8_t nr_of_vtstt_subp_streams;
subp_attr_t vtstt_subp_attr[32];
} ATTRIBUTE_PACKED vts_attributes_t;
#define VTS_ATTRIBUTES_SIZE 542U
#define VTS_ATTRIBUTES_MIN_SIZE 356U
/**
* Video Title Set Attribute Table.
*/
typedef struct {
uint16_t nr_of_vtss;
uint16_t zero_1;
uint32_t last_byte;
vts_attributes_t *vts;
uint32_t *vts_atrt_offsets; /* offsets table for each vts_attributes */
} ATTRIBUTE_PACKED vts_atrt_t;
#define VTS_ATRT_SIZE 8U
/**
* Text Data. (Incomplete)
*/
typedef struct {
uint32_t last_byte; /* offsets are relative here */
uint16_t offsets[100]; /* == nr_of_srpts + 1 (first is disc title) */
#if 0
uint16_t unknown; /* 0x48 ?? 0x48 words (16bit) info following */
uint16_t zero_1;
uint8_t type_of_info; /* ?? 01 == disc, 02 == Title, 04 == Title part */
uint8_t unknown1;
uint8_t unknown2;
uint8_t unknown3;
uint8_t unknown4; /* ?? allways 0x30 language?, text format? */
uint8_t unknown5;
uint16_t offset; /* from first */
char text[12]; /* ended by 0x09 */
#endif
} ATTRIBUTE_PACKED txtdt_t;
/**
* Text Data Language Unit. (Incomplete)
*/
typedef struct {
uint16_t lang_code;
uint16_t unknown; /* 0x0001, title 1? disc 1? side 1? */
uint32_t txtdt_start_byte; /* prt, rel start of vmg_txtdt_mgi */
txtdt_t *txtdt;
} ATTRIBUTE_PACKED txtdt_lu_t;
#define TXTDT_LU_SIZE 8U
/**
* Text Data Manager Information. (Incomplete)
*/
typedef struct {
char disc_name[14]; /* how many bytes?? */
uint16_t nr_of_language_units; /* 32bit?? */
uint32_t last_byte;
txtdt_lu_t *lu;
} ATTRIBUTE_PACKED txtdt_mgi_t;
#define TXTDT_MGI_SIZE 20U
/**
* VTS
*
* Structures relating to the Video Title Set (VTS).
*/
/**
* Video Title Set Information Management Table.
*/
typedef struct {
char vts_identifier[12];
uint32_t vts_last_sector;
uint8_t zero_1[12];
uint32_t vtsi_last_sector;
uint8_t zero_2;
uint8_t specification_version;
uint32_t vts_category;
uint16_t zero_3;
uint16_t zero_4;
uint8_t zero_5;
uint8_t zero_6[19];
uint16_t zero_7;
uint8_t zero_8[32];
uint64_t zero_9;
uint8_t zero_10[24];
uint32_t vtsi_last_byte;
uint32_t zero_11;
uint8_t zero_12[56];
uint32_t vtsm_vobs; /* sector */
uint32_t vtstt_vobs; /* sector */
uint32_t vts_ptt_srpt; /* sector */
uint32_t vts_pgcit; /* sector */
uint32_t vtsm_pgci_ut; /* sector */
uint32_t vts_tmapt; /* sector */
uint32_t vtsm_c_adt; /* sector */
uint32_t vtsm_vobu_admap; /* sector */
uint32_t vts_c_adt; /* sector */
uint32_t vts_vobu_admap; /* sector */
uint8_t zero_13[24];
video_attr_t vtsm_video_attr;
uint8_t zero_14;
uint8_t nr_of_vtsm_audio_streams; /* should be 0 or 1 */
audio_attr_t vtsm_audio_attr;
audio_attr_t zero_15[7];
uint8_t zero_16[17];
uint8_t nr_of_vtsm_subp_streams; /* should be 0 or 1 */
subp_attr_t vtsm_subp_attr;
subp_attr_t zero_17[27];
uint8_t zero_18[2];
video_attr_t vts_video_attr;
uint8_t zero_19;
uint8_t nr_of_vts_audio_streams;
audio_attr_t vts_audio_attr[8];
uint8_t zero_20[17];
uint8_t nr_of_vts_subp_streams;
subp_attr_t vts_subp_attr[32];
uint16_t zero_21;
multichannel_ext_t vts_mu_audio_attr[8];
/* XXX: how much 'padding' here, if any? */
} ATTRIBUTE_PACKED vtsi_mat_t;
/**
* PartOfTitle Unit Information.
*/
typedef struct {
uint16_t pgcn;
uint16_t pgn;
} ATTRIBUTE_PACKED ptt_info_t;
/**
* PartOfTitle Information.
*/
typedef struct {
uint16_t nr_of_ptts;
ptt_info_t *ptt;
} ATTRIBUTE_PACKED ttu_t;
/**
* PartOfTitle Search Pointer Table.
*/
typedef struct {
uint16_t nr_of_srpts;
uint16_t zero_1;
uint32_t last_byte;
ttu_t *title;
uint32_t *ttu_offset; /* offset table for each ttu */
} ATTRIBUTE_PACKED vts_ptt_srpt_t;
#define VTS_PTT_SRPT_SIZE 8U
/**
* Time Map Entry.
*/
/* Should this be bit field at all or just the uint32_t? */
typedef uint32_t map_ent_t;
/**
* Time Map.
*/
typedef struct {
uint8_t tmu; /* Time unit, in seconds */
uint8_t zero_1;
uint16_t nr_of_entries;
map_ent_t *map_ent;
} ATTRIBUTE_PACKED vts_tmap_t;
#define VTS_TMAP_SIZE 4U
/**
* Time Map Table.
*/
typedef struct {
uint16_t nr_of_tmaps;
uint16_t zero_1;
uint32_t last_byte;
vts_tmap_t *tmap;
uint32_t *tmap_offset; /* offset table for each tmap */
} ATTRIBUTE_PACKED vts_tmapt_t;
#define VTS_TMAPT_SIZE 8U
#if PRAGMA_PACK
#pragma pack()
#endif
/**
* The following structure defines an IFO file. The structure is divided into
* two parts, the VMGI, or Video Manager Information, which is read from the
* VIDEO_TS.[IFO,BUP] file, and the VTSI, or Video Title Set Information, which
* is read in from the VTS_XX_0.[IFO,BUP] files.
*/
typedef struct {
dvd_file_t *file;
/* VMGI */
vmgi_mat_t *vmgi_mat;
tt_srpt_t *tt_srpt;
pgc_t *first_play_pgc;
ptl_mait_t *ptl_mait;
vts_atrt_t *vts_atrt;
txtdt_mgi_t *txtdt_mgi;
/* Common */
pgci_ut_t *pgci_ut;
c_adt_t *menu_c_adt;
vobu_admap_t *menu_vobu_admap;
/* VTSI */
vtsi_mat_t *vtsi_mat;
vts_ptt_srpt_t *vts_ptt_srpt;
pgcit_t *vts_pgcit;
vts_tmapt_t *vts_tmapt;
c_adt_t *vts_c_adt;
vobu_admap_t *vts_vobu_admap;
} ifo_handle_t;
#endif /* LIBDVDREAD_IFO_TYPES_H */
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