nav_types.h

/*
 *  Copyright (C) 2000, 2001, 2002 Håkan Hjort <d95hjort@dtek.chalmers.se>
 *
 *  SPDX-License-Identifier: GPL-2.0-only
 *  See LICENSES/README.md for more information.
 *
 *  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>
 */

#pragma once

//#include <inttypes.h>
#include "ifo_types.h" /* only dvd_time_t, vm_cmd_t and user_ops_t */


#undef ATTRIBUTE_PACKED
#undef PRAGMA_PACK_BEGIN
#undef PRAGMA_PACK_END

#if defined(__GNUC__)
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
#define ATTRIBUTE_PACKED __attribute__ ((packed))
#define PRAGMA_PACK 0
#endif
#endif

#if !defined(ATTRIBUTE_PACKED)
#define ATTRIBUTE_PACKED
#define PRAGMA_PACK 1
#endif


/* 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


#if PRAGMA_PACK
#pragma pack(1)
#endif


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 int zero1 : 2;          
  unsigned int btngr_ns : 2;       
  unsigned int zero2 : 1;          
  unsigned int btngr1_dsp_ty : 3;  
  unsigned int zero3 : 1;          
  unsigned int btngr2_dsp_ty : 3;  
  unsigned int zero4 : 1;          
  unsigned int 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