nav_types.h

/*
 * Copyright (C) 2000, 2001, 2002 Håkan Hjort <d95hjort@dtek.chalmers.se>
 *
 * The data structures in this file should represent the layout of the
 * pci and dsi packets as they are stored in the stream.  Information
 * found by reading the source to VOBDUMP is the base for the structure
 * and names of these data types.
 *
 * VOBDUMP: a program for examining DVD .VOB files.
 * Copyright 1998, 1999 Eric Smith <eric@brouhaha.com>
 *
 * VOBDUMP is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 or version 3 as
 * published by the Free Software Foundation.  Note that I am not
 * granting permission to redistribute or modify VOBDUMP under the terms
 * of any later version of the General Public License.
 *
 * This program is distributed in the hope that it will be useful (or at
 * least amusing), 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
#ifndef LIBDVDREAD_NAV_TYPES_H
#define LIBDVDREAD_NAV_TYPES_H
 
#include <inttypes.h>
 
#include <dvdread/attributes.h>
#include <dvdread/ifo_types.h> /* only dvd_time_t, vm_cmd_t and user_ops_t */
 
/* The length including the substream id byte. */
#define PCI_BYTES 0x3d4
#define DSI_BYTES 0x3fa
 
#define PS2_PCI_SUBSTREAM_ID 0x00
#define PS2_DSI_SUBSTREAM_ID 0x01
 
/* Remove this */
#define DSI_START_BYTE 1031

typedef struct {
  uint32_t nv_pck_lbn;      
  uint16_t vobu_cat;        
  uint16_t zero1;           
  user_ops_t vobu_uop_ctl;  
  uint32_t vobu_s_ptm;      
  uint32_t vobu_e_ptm;      
  uint32_t vobu_se_e_ptm;   
  dvd_time_t e_eltm;        
  char vobu_isrc[32];
} ATTRIBUTE_PACKED pci_gi_t;

typedef struct {
  uint32_t nsml_agl_dsta[9];  
} ATTRIBUTE_PACKED nsml_agli_t;

typedef struct {
  uint16_t hli_ss; 
  uint32_t hli_s_ptm;              
  uint32_t hli_e_ptm;              
  uint32_t btn_se_e_ptm;           
  unsigned char zero1 : 2;          
  unsigned char btngr_ns : 2;       
  unsigned char zero2 : 1;          
  unsigned char btngr1_dsp_ty : 3;  
  unsigned char zero3 : 1;          
  unsigned char btngr2_dsp_ty : 3;  
  unsigned char zero4 : 1;          
  unsigned char btngr3_dsp_ty : 3;  
  uint8_t btn_ofn;     
  uint8_t btn_ns;      
  uint8_t nsl_btn_ns;  
  uint8_t zero5;       
  uint8_t fosl_btnn;   
  uint8_t foac_btnn;   
} ATTRIBUTE_PACKED hl_gi_t;
 

typedef struct {
  uint32_t btn_coli[3][2];  
} ATTRIBUTE_PACKED btn_colit_t;

typedef struct {
  unsigned int btn_coln         : 2;  
  unsigned int x_start          : 10; 
  unsigned int zero1            : 2;  
  unsigned int x_end            : 10; 
 
  unsigned int auto_action_mode : 2;  
  unsigned int y_start          : 10; 
  unsigned int zero2            : 2;  
  unsigned int y_end            : 10; 
 
  unsigned int zero3            : 2;  
  unsigned int up               : 6;  
  unsigned int zero4            : 2;  
  unsigned int down             : 6;  
  unsigned int zero5            : 2;  
  unsigned int left             : 6;  
  unsigned int zero6            : 2;  
  unsigned int right            : 6;  
  vm_cmd_t cmd;
} ATTRIBUTE_PACKED btni_t;

typedef struct {
  hl_gi_t     hl_gi;
  btn_colit_t btn_colit;
  btni_t      btnit[36];
} ATTRIBUTE_PACKED hli_t;

typedef struct {
  pci_gi_t    pci_gi;
  nsml_agli_t nsml_agli;
  hli_t       hli;
  uint8_t     zero1[189];
} ATTRIBUTE_PACKED pci_t;
 
 
 

typedef struct {
  uint32_t nv_pck_scr;
  uint32_t nv_pck_lbn;      
  uint32_t vobu_ea;         
  uint32_t vobu_1stref_ea;  
  uint32_t vobu_2ndref_ea;  
  uint32_t vobu_3rdref_ea;  
  uint16_t vobu_vob_idn;    
  uint8_t  zero1;           
  uint8_t  vobu_c_idn;      
  dvd_time_t c_eltm;        
} ATTRIBUTE_PACKED dsi_gi_t;

typedef struct {
  uint16_t category;       
  uint32_t ilvu_ea;        
  uint32_t ilvu_sa;        
  uint16_t size;           
  uint32_t vob_v_s_s_ptm;  
  uint32_t vob_v_e_e_ptm;  
  struct {
    uint32_t stp_ptm1;
    uint32_t stp_ptm2;
    uint32_t gap_len1;
    uint32_t gap_len2;
  } vob_a[8];
} ATTRIBUTE_PACKED sml_pbi_t;

typedef struct {
  uint32_t address; 
  uint16_t size;    
} ATTRIBUTE_PACKED sml_agl_data_t;

typedef struct {
  sml_agl_data_t data[9];
} ATTRIBUTE_PACKED sml_agli_t;

typedef struct {
  uint32_t next_video; 
  uint32_t fwda[19];   
  uint32_t next_vobu;
  uint32_t prev_vobu;
  uint32_t bwda[19];   
  uint32_t prev_video;
} ATTRIBUTE_PACKED vobu_sri_t;
 
#define SRI_END_OF_CELL 0x3fffffff

typedef struct {
  uint16_t a_synca[8];   
  uint32_t sp_synca[32]; 
} ATTRIBUTE_PACKED synci_t;

typedef struct {
  dsi_gi_t   dsi_gi;
  sml_pbi_t  sml_pbi;
  sml_agli_t sml_agli;
  vobu_sri_t vobu_sri;
  synci_t    synci;
  uint8_t    zero1[471];
} ATTRIBUTE_PACKED dsi_t;
 
 
#if PRAGMA_PACK
#pragma pack()
#endif
 
#endif /* LIBDVDREAD_NAV_TYPES_H */