Difference between revisions of "Talk:Private/ds/app/484E94*/pit.bin"

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== pit.bin file reader ==
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'''If you have photos or frames in the */100NIN01 folder, can you send me your pit.bin file please at <ludolacost_gm@il_com> ? '''
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<source lang="c">
 
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/*
 
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*  pitread.c -- pit.bin file reader by Ludo6431 <ludolacost_gm@il_com>
 
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*/
 
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#include <stdlib.h>
 
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#include <stdio.h>
 
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#include <stdarg.h>
 
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#include <string.h>
 
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#include <time.h>
 
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typedef unsigned char u8;
 
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typedef unsigned short u16;
 
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typedef unsigned int u32;
 
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#ifndef BIT
 
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#  define BIT(b) (1<<(b))
 
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#endif
 
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void mexit(int ret, char *format, ...) {
 
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    if(format) {
 
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        va_list ap;
 
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        va_start(ap, format);
 
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        vfprintf(stderr, format, ap);
 
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        fprintf(stderr, "\n");
 
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        va_end(ap);
 
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    }
 
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    exit(ret);
 
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}
 
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typedef struct PIT_HDR sPIT_HDR;
 
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struct PIT_HDR {
 
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    u32 magic;
 
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    u32 dunno1;        // "00_1"
 
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    u16 slotsnum;      // 3000 slots in the file
 
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    u16 msbfolderctr;
 
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    u16 lsbfolderctr;  // next folder's number will be ++folderctr
 
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    u16 photoctr;      // next photo's number will be ++photoctr
 
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    u16 dunno2;        // 0x0000
 
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    u16 framectr;      // next frame's number will be ++framectr
 
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    u16 checksum;      // crc16 of whole file
 
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    u16 hdrsize;        // 0x18
 
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};
 
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#define F_DIRNUM(f)    (((f)&0x1)*100 + ((f)>>1)&0x7f) // 8bits (100-129)
 
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#define F_ENTNUM(f)    ((((f)>>11)&0x7f)+1)            // 7bits (0-99)
 
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#define F_STICKER(f)    (((f)>>18)&0x3)
 
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#define F_TYPE(f)      (((f)>>20)&0x1)
 
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typedef struct PIT_ENTRY sPIT_ENTRY;
 
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struct PIT_ENTRY {
 
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    u32 date;
 
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    u8 dunno[8];
 
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    u32 flags; // (bit0: hundreds' digit of folder num; bit1-7: tens' digits of folder num; bit8-10: UNKNOWN (0); bit11-17: photo's number minus 1; bit18-19: sticker 0: None, 1: Star, 2: Clover, 3: Heart; bit20: type 0:photo, 1:frame; bit21-31: UNKNOWN (0))
 
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};
 
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int main(int argc, char *argv[]) {
 
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    if(argc!=2) mexit(1, "Usage:\n\t%s <pit.bin>", argv[0]);
 
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    char *fname = argv[1];
 
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    FILE *fd = fopen(fname, "rb+");
 
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    if(!fd) mexit(1, "Can't open file \"%s\"!", fname);
 
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    fseek(fd, 0, SEEK_END);
 
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    unsigned fsize = ftell(fd);
 
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    rewind(fd);
 
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    sPIT_HDR hdr;
 
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    if(fread((void *)&hdr, 1, sizeof(sPIT_HDR), fd)!=sizeof(sPIT_HDR)) {
 
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        fclose(fd);
 
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        mexit(1, "Can't read file \"%s\"!", fname);
 
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    }
 
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    printf("magic      : \"%c%c%c%c\"\n", hdr.magic>>24, (hdr.magic>>16)&0xFF, (hdr.magic>>8)&0xFF, hdr.magic&0xFF);
 
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    printf("dunno1      : \"%c%c%c%c\"\n", hdr.dunno1&0xFF, (hdr.dunno1>>8)&0xFF, (hdr.dunno1>>16)&0xFF, hdr.dunno1>>24);
 
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    printf("slotsnum    : %d\n", hdr.slotsnum);
 
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    printf("folderctr  : %d%02d\n", hdr.msbfolderctr, hdr.lsbfolderctr);
 
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    printf("photoctr    : %d\n", hdr.photoctr);
 
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    printf("framectr    : %d\n", hdr.framectr);
 
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    printf("checksum    : 0x%02x\n", hdr.checksum);
 
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    printf("headersize  : %d\n", hdr.hdrsize);
 
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    // jump after the header
 
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    fseek(fd, hdr.hdrsize, SEEK_SET);
 
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    u32 i, photocnt=0, framecnt=0, offset;
 
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    sPIT_ENTRY entry;
 
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    for(i=0; i<hdr.slotsnum; i++) {
 
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        offset = ftell(fd);
 
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        if(fread((void *)&entry, 1, sizeof(sPIT_ENTRY), fd)!=sizeof(sPIT_ENTRY)) {
 
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            fclose(fd);
 
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            mexit(1, "Can't read file \"%s\" (after %d+%d valid entries)!", fname, photocnt, framecnt);
 
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        }
 
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        if(!entry.date) continue;
 
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        switch(F_TYPE(entry.flags)) {
 
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        case 0: // photo
 
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            photocnt++;
 
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            printf("-- photo%04d -- (slot%d in file)\n", photocnt, (offset-hdr.hdrsize)>>4);
 
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            break;
 
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        case 1: // frame
 
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            framecnt++;
 
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            printf("-- frame%04d -- (slot%d in file)\n", framecnt, (offset-hdr.hdrsize)>>4);
 
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            break;
 
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        default:
 
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            break;
 
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        }
 
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        struct tm ttm;
 
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        time_t stm;
 
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        bzero(&ttm, sizeof(ttm));
 
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        ttm.tm_year = 2000 - 1900;  // 2000
 
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        ttm.tm_mon = 0;  // january
 
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        ttm.tm_mday = 1; // 1st
 
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        stm = mktime(&ttm);
 
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        stm += entry.date;
 
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        printf("  date(UTC) : %s", asctime(gmtime(&stm)));
 
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        printf("  folder    : %d\n", F_DIRNUM(entry.flags));
 
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        printf("  number    : %d\n", F_ENTNUM(entry.flags));
 
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        char fname[128];
 
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        switch(F_TYPE(entry.flags)) {
 
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        case 0:
 
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            printf("  sticker  : %d\n", F_STICKER(entry.flags));
 
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            sprintf(fname, "/DCIM/%03dNIN02/HNI_%04d.JPG", F_DIRNUM(entry.flags), F_ENTNUM(entry.flags));
 
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            break;
 
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        case 1:
 
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            sprintf(fname, "/private/ds/app/484E494A/DCIM/%03dNIN02/HNI_%04d.JPG", F_DIRNUM(entry.flags), F_ENTNUM(entry.flags));
 
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            break;
 
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        default:
 
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            break;
 
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        }
 
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        printf("  filename  : %s\n", fname);
 
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    }
 
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    printf("The file contains %d photos and %d frames.\n", photocnt, framecnt);
 
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    fclose(fd);
 
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}
 
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</source>
 

Latest revision as of 01:10, 31 January 2011

If you have photos or frames in the */100NIN01 folder, can you send me your pit.bin file please at <ludolacost_gm@il_com> ?

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