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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: dvd_ifo.h,v 1.17 2001/06/12 22:14:44 sam Exp $
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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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u8 i_compression ;// 2;
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u8 i_perm_displ ;// 2;
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u8 i_source_res ;// 2;
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u8 i_letterboxed ;// 1;
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/* Audio type information */
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typedef struct ifo_audio_s
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u8 i_coding_mode ;// 3;
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u8 i_multichannel_extension ;// 1;
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u8 i_quantization ;// 2;
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u8 i_sample_freq ;// 2;
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u8 i_num_channels ;// 3;
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u16 i_lang_code ;// 16; // <char> description
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u8 i_foo ;// 8; // 0x00000000 ?
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u8 i_bar ;// 8; // 0x00000000 ?
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typedef struct audio_status_s
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typedef struct ifo_spu_t
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u16 i_prefix ;// 16; // 0x0100 ?
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u16 i_lang_code ;// 16; // <char> description
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u8 i_foo ;// 8; // dont know
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u8 i_caption ;// 8; // 0x00 ?
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/* Subpicture status */
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typedef struct spu_status_s
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u8 i_position_wide; //8
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u8 i_position_letter; //8
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u8 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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/* 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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u16 i_pre_command_nb; // 2 bytes
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u16 i_post_command_nb; // 2 bytes
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u16 i_cell_command_nb; // 2 bytes
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u64* p_pre_command; // i_pre_com_nb * 8 bytes
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u64* p_post_command; // i_post_com_nb * 8 bytes
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u64* 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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u8* 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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u16 i_category; // 2 bytes
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u8 i_still_time; // 1 byte; in seconds; ff=inf
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u8 i_command_nb; // 1 byte; 0 = no com
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u32 i_play_time; // 4 bytes
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u32 i_start_sector; // 4 bytes
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u32 i_first_ilvu_vobu_esector; // 4 bytes; ???
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u32 i_last_vobu_start_sector; // 4 bytes
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u32 i_end_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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u16 i_vob_id; // 2 bytes
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u8 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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u8 i_chapter_nb; // 1 byte
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u8 i_cell_nb; // 1 byte
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u32 i_play_time; // 4 bytes
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u32 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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u16 i_next_title_num; // 2 bytes
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u16 i_prev_title_num; // 2 bytes
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u16 i_go_up_title_num; // 2 bytes
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u8 i_still_time; // 1 byte ; in seconds
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u8 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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u32 pi_yuv_color[16]; // 16*3 bytes
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/* Here come the start bytes of the following structures */
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u16 i_command_start_byte; // 2 bytes
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u16 i_chapter_map_start_byte; // 2 bytes
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u16 i_cell_play_start_byte; // 2 bytes
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u16 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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u16 i_lang_code; // 2 bytes (ISO-xx)
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u8 i_existence_mask; // 1 byte
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u32 i_unit_inf_start_byte; // 4 bytes
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typedef struct unit_title_s
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u8 i_category_mask; // 1 byte
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u8 i_category; // 1 byte
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u16 i_parental_mask; // 2 bytes
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u32 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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u16 i_title_nb; // 2 bytes
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u32 i_end_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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u16 i_unit_nb; // 2 bytes; ???
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u32 i_end_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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u16 i_vob_id; // 2 bytes
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u8 i_cell_id; // 1 byte
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u32 i_start_sector; // 4 bytes
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u32 i_end_sector; // 4 bytes
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typedef struct cell_inf_s
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u16 i_vob_nb; // 2 bytes
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u32 i_end_byte; // 4 bytes
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u16 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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u32 i_end_byte; // 4 bytes
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u32* 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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char psz_id[13]; // 12 bytes (DVDVIDEO-VMG)
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u32 i_vmg_end_sector; // 4 bytes
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u32 i_vmg_inf_end_sector; // 4 bytes
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u8 i_spec_ver; // 1 byte
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u32 i_cat; // 4 bytes
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u16 i_volume_nb; // 2 bytes
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u16 i_volume; // 2 bytes
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u8 i_disc_side; // 1 bytes
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u16 i_title_set_nb; // 2 bytes
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char ps_provider_id[32]; // 32 bytes
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u64 i_pos_code; // 8 bytes
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u32 i_vmg_inf_end_byte; // 4 bytes
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u32 i_first_play_title_start_byte; // 4 bytes
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u32 i_vob_start_sector; // 4 bytes
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u32 i_title_inf_start_sector; // 4 bytes
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u32 i_title_unit_start_sector; // 4 bytes
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u32 i_parental_inf_start_sector; // 4 bytes
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u32 i_vts_inf_start_sector; // 4 bytes
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u32 i_text_data_start_sector; // 4 bytes
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u32 i_cell_inf_start_sector; // 4 bytes
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u32 i_vobu_map_start_sector; // 4 bytes
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ifo_video_t video_attr; // 2 bytes
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u8 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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u8 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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u8 i_play_type; // 1 byte
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u8 i_angle_nb; // 1 byte
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u16 i_chapter_nb; // 2 bytes; Chapters/PGs
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u16 i_parental_id; // 2 bytes
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u8 i_title_set_num; // 1 byte (VTS#)
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u8 i_title_num; // 1 byte ???
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u32 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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u16 i_title_nb; // 2 bytes
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u32 i_end_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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char ps_country_code[2]; // 2 bytes
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u16 i_parental_mask_start_byte; // 2 bytes
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typedef struct parental_mask_s
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u16* 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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u16 i_country_nb; // 2 bytes
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u16 i_vts_nb; // 2 bytes
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u32 i_end_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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u32 i_end_byte; // 4 bytes
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u32 i_cat_app_type; // 4 bytes
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ifo_video_t vts_menu_video_attr; // 2 bytes
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u8 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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u8 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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u8 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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u8 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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u16 i_vts_nb; // 2 bytes
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u32 i_end_byte; // 4 bytes
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u32* 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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char psz_id[13]; // 12 bytes (DVDVIDEO-VTS)
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u32 i_end_sector; // 4 bytes
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u32 i_inf_end_sector; // 4 bytes
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u8 i_spec_ver; // 1 byte
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u32 i_cat; // 4 bytes
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u32 i_inf_end_byte; // 4 bytes
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u32 i_menu_vob_start_sector; // 4 bytes
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u32 i_title_vob_start_sector; // 4 bytes
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u32 i_title_inf_start_sector; // 4 bytes
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u32 i_title_unit_start_sector; // 4 bytes
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u32 i_menu_unit_start_sector; // 4 bytes
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u32 i_time_inf_start_sector; // 4 bytes
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u32 i_menu_cell_inf_start_sector; // 4 bytes
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u32 i_menu_vobu_map_start_sector; // 4 bytes
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u32 i_cell_inf_start_sector; // 4 bytes
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u32 i_vobu_map_start_sector; // 4 bytes
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ifo_video_t menu_video_attr; // 2 bytes
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u8 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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u8 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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u8 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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u8 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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u16 i_title_id; // 2 bytes; Chapters/PGs
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u16 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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u16 i_title_nb; // 2 bytes
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u32 i_end_byte; // 4 bytes
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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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u8 i_time_unit; // 1 byte
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u16 i_entry_nb; // 2 bytes
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u32* 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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u32 i_end_byte; // 4 bytes
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u32* pi_start_byte; // i_tmap_nb * 4 bytes
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time_map_t* p_time_map;
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boolean_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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boolean_t b_error; /* Error Management */
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vmg_t vmg; /* Structure described in video_ts */
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int i_title; /* Current title number */
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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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u8 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 * );
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void IfoDestroy ( struct ifo_s * );
added
removed
plugins/dvd/dvd_ifo.h
