/** * 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. */ } dvd_time_t; /** * Type to store per-command data. */ typedef struct { uint8_t bytes[8]; } 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; } 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 { 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 { unsigned char unknown5 : 4; unsigned char dolby_encoded : 1; /* suitable for surround decoding */ unsigned char unknown6 : 3; } surround; } app_info; } 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]; } 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; } 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; } 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 zero_1 : 1; unsigned int playback_mode : 1; /**< When set, enter StillMode after each VOBU */ unsigned int restricted : 1; /**< ?? drop out of fastforward? */ unsigned int cell_type : 5; /** for karaoke, reserved otherwise */ 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; } 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; } 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 */ } 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 pg_playback_mode; uint8_t still_time; 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; } 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 zero_1 : 4; uint16_t ptl_id_mask; uint32_t pgc_start_byte; pgc_t *pgc; } 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; } 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; } 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; } 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; } 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. */ } c_adt_t; #define C_ADT_SIZE 8U /** * VOBU Address Map. */ typedef struct { uint32_t last_byte; uint32_t *vobu_start_sectors; } 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? */ } 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 */ } 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; } 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; } 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 */ } 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; } 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]; } 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 */ } 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) */ } txtdt_t; /** * Text Data Language Unit. (Incomplete) */ typedef struct { uint16_t lang_code; uint8_t zero_1; uint8_t char_set; /* 0x00 reserved Unicode, 0x01 ISO 646, 0x10 JIS Roman & JIS Kanji, 0x11 ISO 8859-1, 0x12 Shift JIS Kanji */ uint32_t txtdt_start_byte; /* prt, rel start of vmg_txtdt_mgi */ txtdt_t *txtdt; } txtdt_lu_t; #define TXTDT_LU_SIZE 8U /** * Text Data Manager Information. (Incomplete) */ typedef struct { char disc_name[12]; uint16_t zero_1; uint16_t nr_of_language_units; uint32_t last_byte; txtdt_lu_t *lu; } 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? */ } vtsi_mat_t; /** * PartOfTitle Unit Information. */ typedef struct { uint16_t pgcn; uint16_t pgn; } ptt_info_t; /** * PartOfTitle Information. */ typedef struct { uint16_t nr_of_ptts; ptt_info_t *ptt; } 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 */ } 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; } 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 */ } vts_tmapt_t; #define VTS_TMAPT_SIZE 8U /** * 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 { /* 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;