ps2classic/iso.h

   1 #ifndef __LIBISO_H__
   2 #define __LIBISO_H__
   3
   4 #define ISOTYPE_ILLEGAL 0
   5 #define ISOTYPE_CD              1
   6 #define ISOTYPE_DVD             2
   7 #define ISOTYPE_AUDIO   3
   8 #define ISOTYPE_DVDDL   4
   9
  10 #define ISOFLAGS_Z                      0x0001
  11 #define ISOFLAGS_Z2                     0x0002
  12 #define ISOFLAGS_BLOCKDUMP      0x0004
  13 #define ISOFLAGS_MULTI          0x0008
  14 #define ISOFLAGS_BZ2            0x0010
  15
  16 #define CD_FRAMESIZE_RAW        2352
  17 #define DATA_SIZE       (CD_FRAMESIZE_RAW-12)
  18
  19 #define itob(i)         ((i)/10*16 + (i)%10)    /* u_char to BCD */
  20 #define btoi(b)         ((b)/16*10 + (b)%16)    /* BCD to u_char */
  21
  22 #include "types.h"
  23
  24 typedef struct
  25 {
  26         u32 slsn;
  27         u32 elsn;
  28         void *handle;
  29 } _multih;
  30
  31 struct isoFile
  32 {
  33         char filename[256];
  34         u32  type;
  35         u32  flags;
  36         u32  offset;
  37         u32  blockofs;
  38         u32  blocksize;
  39         u32  blocks;
  40         void *handle;
  41         void *htable;
  42         char *Ztable;
  43         u32  *dtable;
  44         int  dtablesize;
  45         _multih multih[8];
  46         int  buflsn;
  47         u8 *buffer;
  48 };
  49
  50
  51 struct rootDirTocHeader
  52 {
  53         u16     length;                 //+00
  54         u32 tocLBA;                     //+02
  55         u32 tocLBA_bigend;      //+06
  56         u32 tocSize;            //+0A
  57         u32 tocSize_bigend;     //+0E
  58         u8      dateStamp[8];   //+12
  59         u8      reserved[6];    //+1A
  60         u8      reserved2;              //+20
  61         u8      reserved3;              //+21
  62 } __attribute__((packed));
  63
  64
  65 struct asciiDate
  66 {
  67         char    year[4];
  68         char    month[2];
  69         char    day[2];
  70         char    hours[2];
  71         char    minutes[2];
  72         char    seconds[2];
  73         char    hundreths[2];
  74         char    terminator[1];
  75 } __attribute__((packed));
  76
  77
  78 struct cdVolDesc
  79 {
  80         u8              filesystemType; // 0x01 = ISO9660, 0x02 = Joliet, 0xFF = NULL
  81         u8              volID[5];               // "CD001"
  82         u8              reserved2;
  83         u8              reserved3;
  84         u8              sysIdName[32];
  85         u8              volName[32];    // The ISO9660 Volume Name
  86         u8              reserved5[8];
  87         u32             volSize;                // Volume Size
  88         u32             volSizeBig;             // Volume Size Big-Endian
  89         u8              reserved6[32];
  90         u32             unknown1;
  91         u32             unknown1_bigend;
  92         u16             volDescSize;                                                                    //+80
  93         u16             volDescSize_bigend;                                                             //+82
  94         u32             unknown3;                                                                               //+84
  95         u32             unknown3_bigend;                                                                //+88
  96         u32             priDirTableLBA; // LBA of Primary Dir Table             //+8C
  97         u32             reserved7;                                                                              //+90
  98         u32             secDirTableLBA; // LBA of Secondary Dir Table   //+94
  99         u32             reserved8;                                                                              //+98
 100         struct rootDirTocHeader rootToc;
 101         s8              volSetName[128];
 102         s8              publisherName[128];
 103         s8              preparerName[128];
 104         s8              applicationName[128];
 105         s8              copyrightFileName[37];
 106         s8              abstractFileName[37];
 107         s8              bibliographyFileName[37];
 108         struct  asciiDate       creationDate;
 109         struct  asciiDate       modificationDate;
 110         struct  asciiDate       effectiveDate;
 111         struct  asciiDate       expirationDate;
 112         u8              reserved10;
 113         u8              reserved11[1166];
 114 } __attribute__((packed));
 115
 116
 117
 118 struct isoFile *isoOpen(const char *filename);
 119 struct isoFile *isoCreate(const char *filename, int mode);
 120 int  isoSetFormat(struct isoFile *iso, int blockofs, int blocksize, int blocks);
 121 int  isoDetect(struct isoFile *iso);
 122 int  isoReadBlock(struct isoFile *iso, u8 *dst, u32 lsn);
 123 int  isoWriteBlock(struct isoFile *iso, u8 *src, u32 lsn);
 124 void isoClose(struct isoFile *iso);
 125 void print_ps2image_info(const char *image_name);
 126 void prepare_iso(char image_name[]);
 127
 128 void *_openfile(const char *filename, int flags);
 129 u64 _tellfile(void *handle);
 130 int _seekfile(void *handle, u64 offset, int whence);
 131 int _readfile(void *handle, void *dst, int size);
 132 int _writefile(void *handle, void *src, int size);
 133 void _closefile(void *handle);
 134
 135 #endif /* __LIBISO_H__ */