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/*****************************************************************************
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* dvd_ifo.h: Structures for ifo parsing
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*****************************************************************************
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* Copyright (C) 1999-2001 VideoLAN
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* $Id: ifo.h 6961 2004-03-05 17:34:23Z sam $
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* Author: St�phane Borel <stef@via.ecp.fr>
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* - libifo by Thomas Mirlacher <dent@cosy.sbg.ac.at>
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* - IFO structure documentation by Thomas Mirlacher, Bj�rn Englund,
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
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*****************************************************************************/
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/*****************************************************************************
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* Common structures for Video Management and Video Title sets
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*****************************************************************************/
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* Program Chain structures
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typedef struct ifo_video_s
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uint8_t i_compression ;/* 2; */
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uint8_t i_system ;/* 2; */
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uint8_t i_ratio ;/* 2; */
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uint8_t i_perm_displ ;/* 2; */
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uint8_t i_line21_1 ;/* 1; */
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uint8_t i_line21_2 ;/* 1; */
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uint8_t i_source_res ;/* 2; */
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uint8_t i_letterboxed ;/* 1; */
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uint8_t i_mode ;/* 1; */
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/* Audio type information */
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typedef struct ifo_audio_s
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uint8_t i_coding_mode ;/* 3; */
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uint8_t i_multichannel_extension ;/* 1; */
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uint8_t i_type ;/* 2; */
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uint8_t i_appl_mode ;/* 2; */
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uint8_t i_quantization ;/* 2; */
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uint8_t i_sample_freq ;/* 2; */
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uint8_t i_test ;/* 1; */
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uint8_t i_num_channels ;/* 3; */
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uint16_t i_lang_code ;/* 16; // <char> description */
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uint8_t i_foo ;/* 8; // 0x00000000 ? */
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uint8_t i_caption ;/* 8; */
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uint8_t i_bar ;/* 8; // 0x00000000 ? */
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typedef struct audio_status_s
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uint8_t i_available; /* 1 */
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uint8_t i_position; /* 7 */
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uint8_t i_foo; /* 8 */
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typedef struct ifo_spu_t
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uint16_t i_prefix ;/* 16; // 0x0100 ? */
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uint16_t i_lang_code ;/* 16; // <char> description */
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uint8_t i_foo ;/* 8; // dont know */
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uint8_t i_caption ;/* 8; // 0x00 ? */
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/* Subpicture status */
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typedef struct spu_status_s
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uint8_t i_available; /*1*/
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uint8_t i_position_43; /*7*/
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uint8_t i_position_wide; /*8*/
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uint8_t i_position_letter; /*8*/
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uint8_t i_position_pan; /*8*/
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/* Ifo vitual machine Commands */
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typedef struct command_desc_s
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unsigned int i_type :3;
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unsigned int i_direct :1;
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unsigned int i_cmd :4;
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unsigned int i_dir_cmp :1;
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unsigned int i_cmp :3;
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unsigned int i_sub_cmd :4;
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/* Program Chain Command Table
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- start at i_pgc_com_tab_sbyte */
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typedef struct command_s
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uint16_t i_pre_command_nb; /* 2 bytes */
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uint16_t i_post_command_nb; /* 2 bytes */
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uint16_t i_cell_command_nb; /* 2 bytes */
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uint64_t * p_pre_command; /* i_pre_com_nb * 8 bytes */
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uint64_t * p_post_command; /* i_post_com_nb * 8 bytes */
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uint64_t * p_cell_command; /* i_pre_com_nb * 8 bytes */
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/* command_desc_t* p_cell_command; // i_cell_com_nb * 8 bytes */
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/* command_desc_t* p_post_command; // i_post_com_nb * 8 bytes */
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/* command_desc_t* p_cell_command; // i_cell_com_nb * 8 bytes */
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/* Program Chain Map Table
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* - start at "i_pgc_prg_map_sbyte" */
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typedef struct chapter_map_s
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uint8_t * pi_start_cell; /* i_prg_nb * 1 byte */
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/* Cell Playback Information Table
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* we have a pointer to such a structure for each cell
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* - first start at "i_cell_play_inf_sbyte" */
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typedef struct cell_play_s
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/* This information concerns the currently selected cell */
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uint16_t i_category; /* 2 bytes */
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uint8_t i_still_time; /* 1 byte; in seconds; ff=inf */
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uint8_t i_command_nb; /* 1 byte; 0 = no com */
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uint32_t i_play_time; /* 4 bytes */
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uint32_t i_first_sector; /* 4 bytes */
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uint32_t i_first_ilvu_vobu_esector; /* 4 bytes; ??? */
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uint32_t i_last_vobu_start_sector; /* 4 bytes */
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uint32_t i_last_sector; /* 4 bytes */
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/* Cell Position Information Table
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* we have a pointer to such a structure for each cell
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* - first start at "i_cell_pos_inf_sbyte" */
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typedef struct cell_pos_s
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/* This information concerns the currently selected cell */
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uint16_t i_vob_id; /* 2 bytes */
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uint8_t i_cell_id; /* 1 byte */
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/* Main structure for Program Chain
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* - start at i_fp_pgc_sbyte
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* - or at i_vmgm_pgci_sbyte in vmgm_pgci_srp_t */
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typedef struct title_s
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/* Global features of program chain */
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uint8_t i_chapter_nb; /* 1 byte */
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uint8_t i_cell_nb; /* 1 byte */
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uint32_t i_play_time; /* 4 bytes */
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uint32_t i_prohibited_user_op; /* 4 bytes */
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audio_status_t pi_audio_status[8]; /* 8*2 bytes */
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spu_status_t pi_spu_status[32]; /* 32*4 bytes */
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uint16_t i_next_title_num; /* 2 bytes */
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uint16_t i_prev_title_num; /* 2 bytes */
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uint16_t i_go_up_title_num; /* 2 bytes */
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uint8_t i_still_time; /* 1 byte ; in seconds */
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uint8_t i_play_mode; /* 1 byte */
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/* In video_ts.ifo, the 3 significant bytes of each color are
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* preceded by 1 unsignificant byte */
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uint32_t pi_yuv_color[16]; /* 16*3 bytes */
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/* Here come the start bytes of the following structures */
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uint16_t i_command_start_byte; /* 2 bytes */
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uint16_t i_chapter_map_start_byte; /* 2 bytes */
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uint16_t i_cell_play_start_byte; /* 2 bytes */
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uint16_t i_cell_pos_start_byte; /* 2 bytes */
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/* Predefined structures */
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chapter_map_t chapter_map;
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cell_play_t* p_cell_play; /* i_cell_nb * 24 bytes */
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cell_pos_t* p_cell_pos; /* i_cell_nb * 4 bytes */
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* Menu PGCI Unit Table
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/* Menu PGCI Language unit Descriptor */
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typedef struct unit_s
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uint16_t i_lang_code; /* 2 bytes (ISO-xx) */
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uint8_t i_existence_mask; /* 1 byte */
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uint32_t i_unit_inf_start_byte; /* 4 bytes */
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typedef struct unit_title_s
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uint8_t i_category_mask; /* 1 byte */
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uint8_t i_category; /* 1 byte */
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uint16_t i_parental_mask; /* 2 bytes */
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uint32_t i_title_start_byte; /* 4 bytes */
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/* Menu PGCI Language Unit Table
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* - start at i_lu_sbyte */
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typedef struct unit_inf_s
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uint16_t i_title_nb; /* 2 bytes */
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uint32_t i_last_byte; /* 4 bytes */
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unit_title_t * p_title; /* i_srp_nb * 8 bytes */
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/* Main Struct for Menu PGCI
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* - start at i_*_pgci_ut_ssector */
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typedef struct title_unit_s
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uint16_t i_unit_nb; /* 2 bytes; ??? */
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uint32_t i_last_byte; /* 4 bytes */
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unit_t* p_unit; /* i_lu_nb * 8 bytes */
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unit_inf_t* p_unit_inf; /* i_lu_nb * 8 bytes */
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* Cell Adress Table Information
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typedef struct cell_map_s
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uint16_t i_vob_id; /* 2 bytes */
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uint8_t i_cell_id; /* 1 byte */
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uint32_t i_first_sector; /* 4 bytes */
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uint32_t i_last_sector; /* 4 bytes */
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typedef struct cell_inf_s
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uint16_t i_vob_nb; /* 2 bytes */
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uint32_t i_last_byte; /* 4 bytes */
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uint16_t i_cell_nb; /* not in ifo; computed */
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cell_map_t* p_cell_map;
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* VOBU Adress Map Table
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typedef struct vobu_map_s
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uint32_t i_last_byte; /* 4 bytes */
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uint32_t * pi_vobu_start_sector; /* (nb of vobu) * 4 bytes */
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/*****************************************************************************
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* Structures for Video Management (cf video_ts.ifo)
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*****************************************************************************/
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* Video Manager Information Management Table
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typedef struct manager_inf_s
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byte_t psz_id[13]; /* 12 bytes (DVDVIDEO-VMG) */
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uint32_t i_vmg_end_sector; /* 4 bytes */
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uint32_t i_vmg_inf_end_sector; /* 4 bytes */
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uint8_t i_spec_ver; /* 1 byte */
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uint32_t i_cat; /* 4 bytes */
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uint16_t i_volume_nb; /* 2 bytes */
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uint16_t i_volume; /* 2 bytes */
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uint8_t i_disc_side; /* 1 bytes */
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uint16_t i_title_set_nb; /* 2 bytes */
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byte_t ps_provider_id[32]; /* 32 bytes */
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uint64_t i_pos_code; /* 8 bytes */
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uint32_t i_vmg_inf_end_byte; /* 4 bytes */
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uint32_t i_first_play_title_start_byte; /* 4 bytes */
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uint32_t i_vob_start_sector; /* 4 bytes */
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uint32_t i_title_inf_start_sector; /* 4 bytes */
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uint32_t i_title_unit_start_sector; /* 4 bytes */
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uint32_t i_parental_inf_start_sector; /* 4 bytes */
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uint32_t i_vts_inf_start_sector; /* 4 bytes */
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uint32_t i_text_data_start_sector; /* 4 bytes */
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uint32_t i_cell_inf_start_sector; /* 4 bytes */
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uint32_t i_vobu_map_start_sector; /* 4 bytes */
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ifo_video_t video_attr; /* 2 bytes */
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uint8_t i_audio_nb; /* 1 byte */
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ifo_audio_t p_audio_attr[8]; /* i_vmgm_audio_nb * 8 bytes */
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uint8_t i_spu_nb; /* 1 byte */
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ifo_spu_t p_spu_attr[32]; /* i_subpic_nb * 6 bytes */
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* Part Of Title Search Pointer Table Information
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/* Title sets structure
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* we have a pointer to this structure for each tts */
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typedef struct title_attr_s
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uint8_t i_play_type; /* 1 byte */
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uint8_t i_angle_nb; /* 1 byte */
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uint16_t i_chapter_nb; /* 2 bytes; Chapters/PGs */
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uint16_t i_parental_id; /* 2 bytes */
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uint8_t i_title_set_num; /* 1 byte (VTS#) */
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uint8_t i_title_num; /* 1 byte ??? */
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uint32_t i_start_sector; /* 4 bytes */
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/* Main struct for tts
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* - start at "i_vmg_ptt_srpt_ssector" */
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typedef struct title_inf_s
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uint16_t i_title_nb; /* 2 bytes */
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uint32_t i_last_byte; /* 4 bytes */
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title_attr_t * p_attr; /* i_ttu_nb * 12 bytes */
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* Parental Management Information Table
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typedef struct parental_desc_s
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byte_t ps_country_code[2]; /* 2 bytes */
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uint16_t i_parental_mask_start_byte; /* 2 bytes */
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typedef struct parental_mask_s
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uint16_t * ppi_mask[8]; /* (i_vts_nb +1) * 8 * 2 bytes */
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/* Main struct for parental management
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* - start at i_vmg_ptl_mait_ssector */
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typedef struct parental_inf_s
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uint16_t i_country_nb; /* 2 bytes */
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uint16_t i_vts_nb; /* 2 bytes */
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uint32_t i_last_byte; /* 4 bytes */
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parental_desc_t* p_parental_desc; /* i_country_nb * 8 bytes */
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parental_mask_t* p_parental_mask; /* i_country_nb * sizeof(vmg_ptl_mask_t) */
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* Video Title Set Attribute Table
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/* Attribute structure : one for each vts
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* - start at pi_atrt_sbyte */
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typedef struct vts_attr_s
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uint32_t i_last_byte; /* 4 bytes */
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uint32_t i_cat_app_type; /* 4 bytes */
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ifo_video_t vts_menu_video_attr; /* 2 bytes */
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uint8_t i_vts_menu_audio_nb; /* 1 byte */
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ifo_audio_t p_vts_menu_audio_attr[8]; /* 8 * 8 bytes */
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uint8_t i_vts_menu_spu_nb; /* 1 byte */
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ifo_spu_t p_vts_menu_spu_attr[28]; /* i_vtsm_subpic_nb * 6 bytes */
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ifo_video_t vts_title_video_attr; /* 2 bytes */
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uint8_t i_vts_title_audio_nb; /* 1 byte */
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ifo_audio_t p_vts_title_audio_attr[8]; /* 8 * 8 bytes */
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uint8_t i_vts_title_spu_nb; /* 1 byte */
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ifo_spu_t p_vts_title_spu_attr[28]; /* i_vtstt_subpic_nb * 6 bytes */
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/* Main struct for vts attributes
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* - start at i_vmg_vts_atrt_ssector */
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typedef struct vts_inf_s
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uint16_t i_vts_nb; /* 2 bytes */
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uint32_t i_last_byte; /* 4 bytes */
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uint32_t * pi_vts_attr_start_byte; /* i_vts_nb * 4 bytes */
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vts_attr_t* p_vts_attr;
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* Global Structure for Video Manager
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manager_inf_t manager_inf;
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title_inf_t title_inf;
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title_unit_t title_unit;
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parental_inf_t parental_inf;
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/*****************************************************************************
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* Structures for Video Title Sets (cf vts_*.ifo)
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****************************************************************************/
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* Video Title Sets Information Management Table
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typedef struct vts_manager_s
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byte_t psz_id[13]; /* 12 bytes (DVDVIDEO-VTS) */
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uint32_t i_last_sector; /* 4 bytes */
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uint32_t i_inf_last_sector; /* 4 bytes */
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uint8_t i_spec_ver; /* 1 byte */
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uint32_t i_cat; /* 4 bytes */
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uint32_t i_inf_end_byte; /* 4 bytes */
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uint32_t i_menu_vob_start_sector; /* 4 bytes */
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uint32_t i_title_vob_start_sector; /* 4 bytes */
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uint32_t i_title_inf_start_sector; /* 4 bytes */
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uint32_t i_title_unit_start_sector; /* 4 bytes */
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uint32_t i_menu_unit_start_sector; /* 4 bytes */
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uint32_t i_time_inf_start_sector; /* 4 bytes */
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uint32_t i_menu_cell_inf_start_sector; /* 4 bytes */
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uint32_t i_menu_vobu_map_start_sector; /* 4 bytes */
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uint32_t i_cell_inf_start_sector; /* 4 bytes */
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uint32_t i_vobu_map_start_sector; /* 4 bytes */
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ifo_video_t menu_video_attr; /* 2 bytes */
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uint8_t i_menu_audio_nb; /* 1 byte */
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ifo_audio_t p_menu_audio_attr[8]; /* i_vmgm_audio_nb * 8 bytes */
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uint8_t i_menu_spu_nb; /* 1 byte */
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ifo_spu_t p_menu_spu_attr[32]; /* i_subpic_nb * 6 bytes */
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/* !!! only 28 subpics ??? */
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ifo_video_t video_attr; /* 2 bytes */
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uint8_t i_audio_nb; /* 1 byte */
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ifo_audio_t p_audio_attr[8]; /* i_vmgm_audio_nb * 8 bytes */
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uint8_t i_spu_nb; /* 1 byte */
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ifo_spu_t p_spu_attr[32]; /* i_subpic_nb * 6 bytes */
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* Part Of Title Search Pointer Table Information
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/* Title sets structure
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* we have a pointer to this structure for each tts */
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typedef struct title_start_s
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uint16_t i_title_id; /* 2 bytes; Chapters/PGs */
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uint16_t i_chapter; /* 2 bytes */
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/* Main struct for tts
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* - start at "i_vts_ptt_srpt_ssector" */
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typedef struct vts_title_s
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uint16_t i_title_nb; /* 2 bytes */
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uint32_t i_last_byte; /* 4 bytes */
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uint32_t * pi_start_byte;
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title_start_t * p_title_start; /* i_ttu_nb * 4 bytes */
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* Time Map table information
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/* Time Map structure */
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typedef struct time_map_s
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uint8_t i_time_unit; /* 1 byte */
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uint16_t i_entry_nb; /* 2 bytes */
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uint32_t * pi_sector; /* i_entry_nb * 4 bytes */
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/* Main structure for tmap_ti
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* - start at "i_tmap_ti_ssector" */
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typedef struct time_inf_s
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uint16_t i_nb; /* 2 bytes */
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uint32_t i_last_byte; /* 4 bytes */
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uint32_t * pi_start_byte; /* i_tmap_nb * 4 bytes */
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time_map_t* p_time_map;
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vlc_bool_t b_initialized;
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vts_manager_t manager_inf;
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vts_title_t title_inf;
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title_unit_t menu_unit;
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unit_inf_t title_unit;
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cell_inf_t menu_cell_inf;
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vobu_map_t menu_vobu_map;
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* Global Ifo Structure
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dvdcss_handle dvdhandle; /* File descriptor for the device */
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int i_start; /* Offset to video_ts.ifo on the device */
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int i_pos; /* Position of stream pointer */
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vlc_bool_t b_error; /* Error Management */
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vmg_t vmg; /* Structure described in video_ts */
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vts_t vts; /* Vts ifo for current title set */
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/* Remap buffer for unaligned reads */
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uint8_t p_remap[ 2 * DVD_LB_SIZE ];
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/*****************************************************************************
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* Prototypes in dvd_ifo.c
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*****************************************************************************/
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struct thread_dvd_data_s;
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int IfoCreate ( struct thread_dvd_data_s * );
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int IfoInit ( struct ifo_s * );
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int IfoTitleSet ( struct ifo_s *, int );
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void IfoDestroy ( struct ifo_s * );
added
removed
modules/access/dvd/ifo.h
