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Diffstat (limited to 'libdvdread/ifo_types.h')
| -rw-r--r-- | libdvdread/ifo_types.h | 937 |
1 files changed, 937 insertions, 0 deletions
diff --git a/libdvdread/ifo_types.h b/libdvdread/ifo_types.h new file mode 100644 index 0000000000..4eb6144e1c --- /dev/null +++ b/libdvdread/ifo_types.h @@ -0,0 +1,937 @@ +#ifndef IFO_TYPES_H_INCLUDED +#define IFO_TYPES_H_INCLUDED + +/* + * Copyright (C) 2000, 2001 Björn Englund <d4bjorn@dtek.chalmers.se>, + * Håkan Hjort <d95hjort@dtek.chalmers.se> + * + * Modified for use with MPlayer, changes contained in libdvdread_changes.diff. + * detailed changelog at http://svn.mplayerhq.hu/mplayer/trunk/ + * $Id$ + * + * This program 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. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <inttypes.h> +#include "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) +#define ATTRIBUTE_PACKED __attribute__ ((packed)) +#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 8 + + +/** + * Video Attributes. + */ +typedef struct { +#ifdef WORDS_BIGENDIAN + unsigned int mpeg_version : 2; + unsigned int video_format : 2; + unsigned int display_aspect_ratio : 2; + unsigned int permitted_df : 2; + + unsigned int line21_cc_1 : 1; + unsigned int line21_cc_2 : 1; + unsigned int unknown1 : 1; + unsigned int bit_rate : 1; + + unsigned int picture_size : 2; + unsigned int letterboxed : 1; + unsigned int film_mode : 1; +#else + unsigned int permitted_df : 2; + unsigned int display_aspect_ratio : 2; + unsigned int video_format : 2; + unsigned int mpeg_version : 2; + + unsigned int film_mode : 1; + unsigned int letterboxed : 1; + unsigned int picture_size : 2; + + unsigned int bit_rate : 1; + unsigned int unknown1 : 1; + unsigned int line21_cc_2 : 1; + unsigned int line21_cc_1 : 1; +#endif +} ATTRIBUTE_PACKED video_attr_t; + +/** + * Audio Attributes. + */ +typedef struct { +#ifdef WORDS_BIGENDIAN + unsigned int audio_format : 3; + unsigned int multichannel_extension : 1; + unsigned int lang_type : 2; + unsigned int application_mode : 2; + + unsigned int quantization : 2; + unsigned int sample_frequency : 2; + unsigned int unknown1 : 1; + unsigned int channels : 3; +#else + unsigned int application_mode : 2; + unsigned int lang_type : 2; + unsigned int multichannel_extension : 1; + unsigned int audio_format : 3; + + unsigned int channels : 3; + unsigned int unknown1 : 1; + unsigned int sample_frequency : 2; + unsigned int quantization : 2; +#endif + uint16_t lang_code; + uint8_t lang_extension; + uint8_t code_extension; + uint8_t unknown3; + union { + struct ATTRIBUTE_PACKED { +#ifdef WORDS_BIGENDIAN + unsigned int unknown4 : 1; + unsigned int channel_assignment : 3; + unsigned int version : 2; + unsigned int mc_intro : 1; /* probably 0: true, 1:false */ + unsigned int mode : 1; /* Karaoke mode 0: solo 1: duet */ +#else + unsigned int mode : 1; + unsigned int mc_intro : 1; + unsigned int version : 2; + unsigned int channel_assignment : 3; + unsigned int unknown4 : 1; +#endif + } karaoke; + struct ATTRIBUTE_PACKED { +#ifdef WORDS_BIGENDIAN + unsigned int unknown5 : 4; + unsigned int dolby_encoded : 1; /* suitable for surround decoding */ + unsigned int unknown6 : 3; +#else + unsigned int unknown6 : 3; + unsigned int dolby_encoded : 1; + unsigned int unknown5 : 4; +#endif + } surround; + } app_info; +} ATTRIBUTE_PACKED audio_attr_t; + + +/** + * MultiChannel Extension + */ +typedef struct { +#ifdef WORDS_BIGENDIAN + 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; +#else + unsigned int ach0_gme : 1; + unsigned int zero1 : 7; + + unsigned int ach1_gme : 1; + unsigned int zero2 : 7; + + unsigned int ach2_gm2e : 1; + unsigned int ach2_gm1e : 1; + unsigned int ach2_gv2e : 1; + unsigned int ach2_gv1e : 1; + unsigned int zero3 : 4; + + unsigned int ach3_se2e : 1; + unsigned int ach3_gmAe : 1; + unsigned int ach3_gv2e : 1; + unsigned int ach3_gv1e : 1; + unsigned int zero4 : 4; + + unsigned int ach4_seBe : 1; + unsigned int ach4_gmBe : 1; + unsigned int ach4_gv2e : 1; + unsigned int ach4_gv1e : 1; + unsigned int zero5 : 4; +#endif + 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 + */ +#ifdef WORDS_BIGENDIAN + unsigned int code_mode : 3; + unsigned int zero1 : 3; + unsigned int type : 2; +#else + unsigned int type : 2; + unsigned int zero1 : 3; + unsigned int code_mode : 3; +#endif + 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 8 + +/** + * PGC Program Map + */ +typedef uint8_t pgc_program_map_t; + +/** + * Cell Playback Information. + */ +typedef struct { +#ifdef WORDS_BIGENDIAN + 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; +#else + unsigned int seamless_angle : 1; + unsigned int stc_discontinuity: 1; + unsigned int interleaved : 1; + unsigned int seamless_play : 1; + unsigned int block_type : 2; + unsigned int block_mode : 2; + + unsigned int unknown2 : 6; + unsigned int restricted : 1; + unsigned int playback_mode : 1; +#endif + 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 { +#ifdef WORDS_BIGENDIAN + 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 */ +#else + unsigned int video_pres_mode_change : 1; /* 24 */ + unsigned int zero : 7; /* 25-31 */ + + unsigned int resume : 1; /* 16 */ + unsigned int button_select_or_activate : 1; + unsigned int still_off : 1; + unsigned int pause_on : 1; + unsigned int audio_stream_change : 1; + unsigned int subpic_stream_change : 1; + unsigned int angle_change : 1; + unsigned int karaoke_audio_pres_mode_change : 1; /* 23 */ + + unsigned int forward_scan : 1; /* 8 */ + unsigned int backward_scan : 1; + unsigned int title_menu_call : 1; + unsigned int root_menu_call : 1; + unsigned int subpic_menu_call : 1; + unsigned int audio_menu_call : 1; + unsigned int angle_menu_call : 1; + unsigned int chapter_menu_call : 1; /* 15 */ + + unsigned int title_or_time_play : 1; /* 0 */ + unsigned int chapter_search_or_play : 1; + unsigned int title_play : 1; + unsigned int stop : 1; + unsigned int go_up : 1; + unsigned int time_or_chapter_search : 1; + unsigned int prev_or_top_pg_search : 1; + unsigned int next_pg_search : 1; /* 7 */ +#endif +} ATTRIBUTE_PACKED user_ops_t; + +/** + * Subpicture stream mapping for a subtitle + */ +typedef struct { +#ifdef WORDS_BIGENDIAN + unsigned int present : 1; + unsigned int zero1 : 2; + unsigned int s_4p3 : 5; /* stream for 4:3 on any display */ + + unsigned int zero2 : 3; + unsigned int s_wide : 5; /* stream for 16:9 on widescreen display */ + + unsigned int zero3 : 3; + unsigned int s_lbox : 5; /* stream for 16:9 on letterboxed 4:3 display */ + + unsigned int zero4 : 3; + unsigned int s_panscan : 5; /* stream for 16:9 with pan&scan data on 4:3 display */ +#else + unsigned int s_4p3 : 5; /* stream for 4:3 on any display */ + unsigned int zero1 : 2; + unsigned int present : 1; + + unsigned int s_wide : 5; /* stream for 16:9 on widescreen display */ + unsigned int zero2 : 3; + + unsigned int s_lbox : 5; /* stream for 16:9 on letterboxed 4:3 display */ + unsigned int zero3 : 3; + + unsigned int s_panscan : 5; /* stream for 16:9 with pan&scan data on 4:3 display */ + unsigned int zero4 : 3; +#endif +} ATTRIBUTE_PACKED subp_mapping_t; + +/** + * Audio stream mapping for a soundtrack + */ +typedef struct { +#ifdef WORDS_BIGENDIAN + unsigned int present : 1; + unsigned int zero1 : 4; + unsigned int s_audio : 3; +#else + unsigned int s_audio : 3; + unsigned int zero1 : 4; + unsigned int present : 1; +#endif + uint8_t zero2; +} ATTRIBUTE_PACKED audio_mapping_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; + audio_mapping_t audio_control[8]; + subp_mapping_t subp_control[32]; + 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; +} ATTRIBUTE_PACKED pgc_t; +#define PGC_SIZE 236 + +/** + * Program Chain Information Search Pointer. + */ +typedef struct { + uint8_t entry_id; +#ifdef WORDS_BIGENDIAN + unsigned int block_mode : 2; + unsigned int block_type : 2; + unsigned int unknown1 : 4; +#else + unsigned int unknown1 : 4; + unsigned int block_type : 2; + unsigned int block_mode : 2; +#endif + uint16_t ptl_id_mask; + uint32_t pgc_start_byte; + pgc_t *pgc; +} ATTRIBUTE_PACKED pgci_srp_t; +#define PGCI_SRP_SIZE 8 + +/** + * 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; +} ATTRIBUTE_PACKED pgcit_t; +#define PGCIT_SIZE 8 + +/** + * 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 8 + +/** + * 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 8 + +/** + * 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 8 + +/** + * VOBU Address Map. + */ +typedef struct { + uint32_t last_byte; + uint32_t *vobu_start_sectors; +} ATTRIBUTE_PACKED vobu_admap_t; +#define VOBU_ADMAP_SIZE 4 + + + + +/** + * 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 { +#ifdef WORDS_BIGENDIAN + 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 */ +#else + unsigned int title_or_time_play : 1; + unsigned int chapter_search_or_play : 1; + unsigned int jlc_exists_in_tt_dom : 1; + unsigned int jlc_exists_in_button_cmd : 1; + unsigned int jlc_exists_in_prepost_cmd : 1; + unsigned int jlc_exists_in_cell_cmd : 1; + unsigned int multi_or_random_pgc_title : 1; + unsigned int zero_1 : 1; +#endif +} 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 8 + + +/** + * Parental Management Information Unit Table. + * Level 1 (US: G), ..., 7 (US: NC-17), 8 + */ +typedef uint16_t pf_level_t[8]; + +/** + * 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 8 + +/** + * 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 8 + +/** + * 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 542 +#define VTS_ATTRIBUTES_MIN_SIZE 356 + +/** + * 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 8 + +/** + * 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 8 + +/** + * 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 20 + + +/** + * 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 8 + + +/** + * 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 4 + +/** + * 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 8 + + +#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 /* IFO_TYPES_H_INCLUDED */ |