+++ /dev/null
-/*****************************************************************************
- * dvd_ifo.h: Structures for ifo parsing
- *****************************************************************************
- * Copyright (C) 1999-2001 VideoLAN
- * $Id: dvd_ifo.h,v 1.20 2002/06/01 12:31:59 sam Exp $
- *
- * Author: Stéphane Borel <stef@via.ecp.fr>
- *
- * based on:
- * - libifo by Thomas Mirlacher <dent@cosy.sbg.ac.at>
- * - IFO structure documentation by Thomas Mirlacher, Björn Englund,
- * Håkan Hjort
- *
- * 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, USA.
- *****************************************************************************/
-
-/*****************************************************************************
- * Common structures for Video Management and Video Title sets
- *****************************************************************************/
-
-/*
- * Program Chain structures
- */
-typedef struct ifo_video_s
-{
- u8 i_compression ;// 2;
- u8 i_system ;// 2;
- u8 i_ratio ;// 2;
- u8 i_perm_displ ;// 2;
-
- u8 i_line21_1 ;// 1;
- u8 i_line21_2 ;// 1;
- u8 i_source_res ;// 2;
- u8 i_letterboxed ;// 1;
- u8 i_mode ;// 1;
-} ifo_video_t;
-
-/* Audio type information */
-typedef struct ifo_audio_s
-{
- u8 i_coding_mode ;// 3;
- u8 i_multichannel_extension ;// 1;
- u8 i_type ;// 2;
- u8 i_appl_mode ;// 2;
-
- u8 i_quantization ;// 2;
- u8 i_sample_freq ;// 2;
- u8 i_test ;// 1;
- u8 i_num_channels ;// 3;
- u16 i_lang_code ;// 16; // <char> description
- u8 i_foo ;// 8; // 0x00000000 ?
- u8 i_caption ;// 8;
- u8 i_bar ;// 8; // 0x00000000 ?
-} ifo_audio_t;
-
-/* Audio Status */
-typedef struct audio_status_s
-{
- u8 i_available; // 1
- u8 i_position; // 7
- u8 i_foo; // 8
-} audio_status_t;
-
-typedef struct ifo_spu_t
-{
- u16 i_prefix ;// 16; // 0x0100 ?
- u16 i_lang_code ;// 16; // <char> description
- u8 i_foo ;// 8; // dont know
- u8 i_caption ;// 8; // 0x00 ?
-} ifo_spu_t;
-
-/* Subpicture status */
-typedef struct spu_status_s
-{
- u8 i_available; //1
- u8 i_position_43; //7
- u8 i_position_wide; //8
- u8 i_position_letter; //8
- u8 i_position_pan; //8
-} spu_status_t;
-
-
-/* Ifo vitual machine Commands */
-typedef struct command_desc_s
-{
- u8 i_type :3;
- u8 i_direct :1;
- u8 i_cmd :4;
- u8 i_dir_cmp :1;
- u8 i_cmp :3;
- u8 i_sub_cmd :4;
- union
- {
- u8 pi_8[6];
- u16 pi_16[3];
- } data;
-} command_desc_t;
-
-/* Program Chain Command Table
- - start at i_pgc_com_tab_sbyte */
-typedef struct command_s
-{
- u16 i_pre_command_nb; // 2 bytes
- u16 i_post_command_nb; // 2 bytes
- u16 i_cell_command_nb; // 2 bytes
-// char[2] ???
- u64* p_pre_command; // i_pre_com_nb * 8 bytes
- u64* p_post_command; // i_post_com_nb * 8 bytes
- u64* p_cell_command; // i_pre_com_nb * 8 bytes
-
-// command_desc_t* p_cell_command; // i_cell_com_nb * 8 bytes
-// command_desc_t* p_post_command; // i_post_com_nb * 8 bytes
-// command_desc_t* p_cell_command; // i_cell_com_nb * 8 bytes
-} command_t;
-
-/* Program Chain Map Table
- * - start at "i_pgc_prg_map_sbyte" */
-typedef struct chapter_map_s
-{
- u8* pi_start_cell; // i_prg_nb * 1 byte
-} chapter_map_t;
-
-/* Cell Playback Information Table
- * we have a pointer to such a structure for each cell
- * - first start at "i_cell_play_inf_sbyte" */
-typedef struct cell_play_s
-{
- /* This information concerns the currently selected cell */
- u16 i_category; // 2 bytes
- u8 i_still_time; // 1 byte; in seconds; ff=inf
- u8 i_command_nb; // 1 byte; 0 = no com
- u32 i_play_time; // 4 bytes
- u32 i_first_sector; // 4 bytes
- u32 i_first_ilvu_vobu_esector; // 4 bytes; ???
- u32 i_last_vobu_start_sector; // 4 bytes
- u32 i_last_sector; // 4 bytes
-} cell_play_t;
-
-/* Cell Position Information Table
- * we have a pointer to such a structure for each cell
- * - first start at "i_cell_pos_inf_sbyte" */
-typedef struct cell_pos_s
-{
- /* This information concerns the currently selected cell */
- u16 i_vob_id; // 2 bytes
-// char ???
- u8 i_cell_id; // 1 byte
-} cell_pos_t;
-
-/* Main structure for Program Chain
- * - start at i_fp_pgc_sbyte
- * - or at i_vmgm_pgci_sbyte in vmgm_pgci_srp_t */
-typedef struct title_s
-{
- /* Global features of program chain */
-// char[2] ???
- u8 i_chapter_nb; // 1 byte
- u8 i_cell_nb; // 1 byte
- u32 i_play_time; // 4 bytes
- u32 i_prohibited_user_op; // 4 bytes
- audio_status_t pi_audio_status[8]; // 8*2 bytes
- spu_status_t pi_spu_status[32]; // 32*4 bytes
- u16 i_next_title_num; // 2 bytes
- u16 i_prev_title_num; // 2 bytes
- u16 i_go_up_title_num; // 2 bytes
- u8 i_still_time; // 1 byte ; in seconds
- u8 i_play_mode; // 1 byte
- /* In video_ts.ifo, the 3 significant bytes of each color are
- * preceded by 1 unsignificant byte */
- u32 pi_yuv_color[16]; // 16*3 bytes
- /* Here come the start bytes of the following structures */
- u16 i_command_start_byte; // 2 bytes
- u16 i_chapter_map_start_byte; // 2 bytes
- u16 i_cell_play_start_byte; // 2 bytes
- u16 i_cell_pos_start_byte; // 2 bytes
- /* Predefined structures */
- command_t command;
- chapter_map_t chapter_map;
- cell_play_t* p_cell_play; // i_cell_nb * 24 bytes
- cell_pos_t* p_cell_pos; // i_cell_nb * 4 bytes
-} title_t;
-
-/*
- * Menu PGCI Unit Table
- */
-
-/* Menu PGCI Language unit Descriptor */
-typedef struct unit_s
-{
- u16 i_lang_code; // 2 bytes (ISO-xx)
-// char ???
- u8 i_existence_mask; // 1 byte
- u32 i_unit_inf_start_byte; // 4 bytes
-} unit_t;
-
-typedef struct unit_title_s
-{
- u8 i_category_mask; // 1 byte
- u8 i_category; // 1 byte
- u16 i_parental_mask; // 2 bytes
- u32 i_title_start_byte; // 4 bytes
- title_t title;
-} unit_title_t;
-
-/* Menu PGCI Language Unit Table
- * - start at i_lu_sbyte */
-typedef struct unit_inf_s
-{
- u16 i_title_nb; // 2 bytes
-// char[2] ???
- u32 i_last_byte; // 4 bytes
- unit_title_t * p_title; // i_srp_nb * 8 bytes
-} unit_inf_t;
-
-/* Main Struct for Menu PGCI
- * - start at i_*_pgci_ut_ssector */
-typedef struct title_unit_s
-{
- u16 i_unit_nb; // 2 bytes; ???
-// char[2] ???
- u32 i_last_byte; // 4 bytes
- unit_t* p_unit; // i_lu_nb * 8 bytes
- unit_inf_t* p_unit_inf; // i_lu_nb * 8 bytes
-} title_unit_t;
-
-/*
- * Cell Adress Table Information
- */
-typedef struct cell_map_s
-{
- u16 i_vob_id; // 2 bytes
- u8 i_cell_id; // 1 byte
-// char ???
- u32 i_first_sector; // 4 bytes
- u32 i_last_sector; // 4 bytes
-} cell_map_t;
-
-typedef struct cell_inf_s
-{
- u16 i_vob_nb; // 2 bytes
-// char[2] ???
- u32 i_last_byte; // 4 bytes
- u16 i_cell_nb; // not in ifo; computed
- // with e_byte
- cell_map_t* p_cell_map;
-} cell_inf_t;
-
-
-/*
- * VOBU Adress Map Table
- */
-typedef struct vobu_map_s
-{
- u32 i_last_byte; // 4 bytes
- u32* pi_vobu_start_sector; // (nb of vobu) * 4 bytes
-} vobu_map_t;
-
-/*****************************************************************************
- * Structures for Video Management (cf video_ts.ifo)
- *****************************************************************************/
-
-/*
- * Video Manager Information Management Table
- */
-typedef struct manager_inf_s
-{
- char psz_id[13]; // 12 bytes (DVDVIDEO-VMG)
- u32 i_vmg_end_sector; // 4 bytes
-// char[12] ???
- u32 i_vmg_inf_end_sector; // 4 bytes
-// char ???
- u8 i_spec_ver; // 1 byte
- u32 i_cat; // 4 bytes
- u16 i_volume_nb; // 2 bytes
- u16 i_volume; // 2 bytes
- u8 i_disc_side; // 1 bytes
-// char[20] ???
- u16 i_title_set_nb; // 2 bytes
- char ps_provider_id[32]; // 32 bytes
- u64 i_pos_code; // 8 bytes
-// char[24] ???
- u32 i_vmg_inf_end_byte; // 4 bytes
- u32 i_first_play_title_start_byte; // 4 bytes
-// char[56] ???
- u32 i_vob_start_sector; // 4 bytes
- u32 i_title_inf_start_sector; // 4 bytes
- u32 i_title_unit_start_sector; // 4 bytes
- u32 i_parental_inf_start_sector; // 4 bytes
- u32 i_vts_inf_start_sector; // 4 bytes
- u32 i_text_data_start_sector; // 4 bytes
- u32 i_cell_inf_start_sector; // 4 bytes
- u32 i_vobu_map_start_sector; // 4 bytes
-// char[2] ???
- ifo_video_t video_attr; // 2 bytes
-// char ???
- u8 i_audio_nb; // 1 byte
- ifo_audio_t p_audio_attr[8]; // i_vmgm_audio_nb * 8 bytes
-// char[16] ???
- u8 i_spu_nb; // 1 byte
- ifo_spu_t p_spu_attr[32]; // i_subpic_nb * 6 bytes
-} manager_inf_t;
-
-
-/*
- * Part Of Title Search Pointer Table Information
- */
-
-/* Title sets structure
- * we have a pointer to this structure for each tts */
-typedef struct title_attr_s
-{
- u8 i_play_type; // 1 byte
- u8 i_angle_nb; // 1 byte
- u16 i_chapter_nb; // 2 bytes; Chapters/PGs
- u16 i_parental_id; // 2 bytes
- u8 i_title_set_num; // 1 byte (VTS#)
- u8 i_title_num; // 1 byte ???
- u32 i_start_sector; // 4 bytes
-} title_attr_t;
-
-/* Main struct for tts
- * - start at "i_vmg_ptt_srpt_ssector" */
-typedef struct title_inf_s
-{
- u16 i_title_nb; // 2 bytes
-// char[2] ???
- u32 i_last_byte; // 4 bytes
- title_attr_t * p_attr; // i_ttu_nb * 12 bytes
-} title_inf_t;
-
-/*
- * Parental Management Information Table
- */
-typedef struct parental_desc_s
-{
- char ps_country_code[2]; // 2 bytes
-// char[2] ???
- u16 i_parental_mask_start_byte; // 2 bytes
-// char[2] ???
-} parental_desc_t;
-
-typedef struct parental_mask_s
-{
- u16* ppi_mask[8]; // (i_vts_nb +1) * 8 * 2 bytes
-} parental_mask_t;
-
-/* Main struct for parental management
- * - start at i_vmg_ptl_mait_ssector */
-typedef struct parental_inf_s
-{
- u16 i_country_nb; // 2 bytes
- u16 i_vts_nb; // 2 bytes
- u32 i_last_byte; // 4 bytes
- parental_desc_t* p_parental_desc; // i_country_nb * 8 bytes
- parental_mask_t* p_parental_mask; // i_country_nb * sizeof(vmg_ptl_mask_t)
-} parental_inf_t;
-
-/*
- * Video Title Set Attribute Table
- */
-
-/* Attribute structure : one for each vts
- * - start at pi_atrt_sbyte */
-typedef struct vts_attr_s
-{
- u32 i_last_byte; // 4 bytes
- u32 i_cat_app_type; // 4 bytes
- ifo_video_t vts_menu_video_attr; // 2 bytes
-// char ???
- u8 i_vts_menu_audio_nb; // 1 byte
- ifo_audio_t p_vts_menu_audio_attr[8]; // 8 * 8 bytes
-// char[17] ???
- u8 i_vts_menu_spu_nb; // 1 byte
- ifo_spu_t p_vts_menu_spu_attr[28]; // i_vtsm_subpic_nb * 6 bytes
-// char[2] ???
- ifo_video_t vts_title_video_attr; // 2 bytes
-// char ???
- u8 i_vts_title_audio_nb; // 1 byte
- ifo_audio_t p_vts_title_audio_attr[8]; // 8 * 8 bytes
-// char[17] ???
- u8 i_vts_title_spu_nb; // 1 byte
- ifo_spu_t p_vts_title_spu_attr[28]; // i_vtstt_subpic_nb * 6 bytes
-} vts_attr_t;
-
-/* Main struct for vts attributes
- * - start at i_vmg_vts_atrt_ssector */
-typedef struct vts_inf_s
-{
- u16 i_vts_nb; // 2 bytes
-// char[2] ???
- u32 i_last_byte; // 4 bytes
- u32* pi_vts_attr_start_byte; // i_vts_nb * 4 bytes
- vts_attr_t* p_vts_attr;
-} vts_inf_t;
-
-/*
- * Global Structure for Video Manager
- */
-typedef struct vmg_s
-{
- manager_inf_t manager_inf;
- title_t title;
- title_inf_t title_inf;
- title_unit_t title_unit;
- parental_inf_t parental_inf;
- vts_inf_t vts_inf;
- cell_inf_t cell_inf;
- vobu_map_t vobu_map;
-} vmg_t;
-
-/*****************************************************************************
- * Structures for Video Title Sets (cf vts_*.ifo)
- ****************************************************************************/
-
-/*
- * Video Title Sets Information Management Table
- */
-typedef struct vts_manager_s
-{
- char psz_id[13]; // 12 bytes (DVDVIDEO-VTS)
- u32 i_last_sector; // 4 bytes
-// char[12] ???
- u32 i_inf_last_sector; // 4 bytes
-// char ???
- u8 i_spec_ver; // 1 byte
- u32 i_cat; // 4 bytes
-// char[90] ???
- u32 i_inf_end_byte; // 4 bytes
-// char[60] ???
- u32 i_menu_vob_start_sector; // 4 bytes
- u32 i_title_vob_start_sector; // 4 bytes
- u32 i_title_inf_start_sector; // 4 bytes
- u32 i_title_unit_start_sector; // 4 bytes
- u32 i_menu_unit_start_sector; // 4 bytes
- u32 i_time_inf_start_sector; // 4 bytes
- u32 i_menu_cell_inf_start_sector; // 4 bytes
- u32 i_menu_vobu_map_start_sector; // 4 bytes
- u32 i_cell_inf_start_sector; // 4 bytes
- u32 i_vobu_map_start_sector; // 4 bytes
-// char[24] ???
- ifo_video_t menu_video_attr; // 2 bytes
-// char ???
- u8 i_menu_audio_nb; // 1 byte
- ifo_audio_t p_menu_audio_attr[8]; // i_vmgm_audio_nb * 8 bytes
-// char[16] ???
- u8 i_menu_spu_nb; // 1 byte
- ifo_spu_t p_menu_spu_attr[32]; // i_subpic_nb * 6 bytes
- // !!! only 28 subpics ???
-// char[2] ???
- ifo_video_t video_attr; // 2 bytes
-// char ???
- u8 i_audio_nb; // 1 byte
- ifo_audio_t p_audio_attr[8]; // i_vmgm_audio_nb * 8 bytes
-// char[16] ???
- u8 i_spu_nb; // 1 byte
- ifo_spu_t p_spu_attr[32]; // i_subpic_nb * 6 bytes
-} vts_manager_t;
-
-/*
- * Part Of Title Search Pointer Table Information
- */
-
-/* Title sets structure
- * we have a pointer to this structure for each tts */
-typedef struct title_start_s
-{
- u16 i_title_id; // 2 bytes; Chapters/PGs
- u16 i_chapter; // 2 bytes
-} title_start_t;
-
-/* Main struct for tts
- * - start at "i_vts_ptt_srpt_ssector" */
-typedef struct vts_title_s
-{
- u16 i_title_nb; // 2 bytes
-// char[2] ???
- u32 i_last_byte; // 4 bytes
- u32* pi_start_byte;
- title_start_t * p_title_start; // i_ttu_nb * 4 bytes
-} vts_title_t;
-
-/*
- * Time Map table information
- */
-
-/* Time Map structure */
-typedef struct time_map_s
-{
- u8 i_time_unit; // 1 byte
-// char ???
- u16 i_entry_nb; // 2 bytes
- u32* pi_sector; // i_entry_nb * 4 bytes
-} time_map_t;
-
-/* Main structure for tmap_ti
- * - start at "i_tmap_ti_ssector" */
-typedef struct time_inf_s
-{
- u16 i_nb; // 2 bytes
-// char[2] ???
- u32 i_last_byte; // 4 bytes
- u32* pi_start_byte; // i_tmap_nb * 4 bytes
- time_map_t* p_time_map;
-} time_inf_t;
-
-/*
- * Video Title Set
- */
-typedef struct vts_s
-{
- vlc_bool_t b_initialized;
- int i_pos;
- vts_manager_t manager_inf;
- vts_title_t title_inf;
- title_unit_t menu_unit;
- unit_inf_t title_unit;
- time_inf_t time_inf;
- cell_inf_t menu_cell_inf;
- vobu_map_t menu_vobu_map;
- cell_inf_t cell_inf;
- vobu_map_t vobu_map;
-} vts_t;
-
-/*
- * Global Ifo Structure
- */
-typedef struct ifo_s
-{
- dvdcss_handle dvdhandle; /* File descriptor for the device */
- int i_start; /* Offset to video_ts.ifo on the device */
- int i_pos; /* Position of stream pointer */
- vlc_bool_t b_error; /* Error Management */
- vmg_t vmg; /* Structure described in video_ts */
- vts_t vts; /* Vts ifo for current title set */
-
- /* Remap buffer for unaligned reads */
- u8 p_remap[ 2 * DVD_LB_SIZE ];
-
-} ifo_t;
-
-
-/*****************************************************************************
- * Prototypes in dvd_ifo.c
- *****************************************************************************/
-struct thread_dvd_data_s;
-
-int IfoCreate ( struct thread_dvd_data_s * );
-int IfoInit ( struct ifo_s * );
-int IfoTitleSet ( struct ifo_s *, int );
-void IfoDestroy ( struct ifo_s * );
-
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