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Line 1: − == pit.bin file reader == − <source lang="c"> − /* − * pitread.c -- pit.bin file reader by Ludo6431 <ludolacost_gm@il_com> − */ − − #include <stdlib.h> − #include <stdio.h> − #include <stdarg.h> − #include <string.h> − #include <time.h> − − typedef unsigned char u8; − typedef unsigned short u16; − typedef unsigned int u32; − #ifndef BIT − # define BIT(b) (1<<(b)) − #endif − − void mexit(int ret, char *format, ...) { − if(format) { − va_list ap; − va_start(ap, format); − vfprintf(stderr, format, ap); − fprintf(stderr, "\n"); − va_end(ap); − } − exit(ret); − } − − typedef struct PIT_HDR sPIT_HDR; − struct PIT_HDR { − u32 magic; − u32 dunno1; // "00_1" − u16 slotsnum; // 3000 slots in the file − u16 msbfolderctr; − u16 lsbfolderctr; // next folder's number will be ++folderctr − u16 photoctr; // next photo's number will be ++photoctr − u16 dunno2; // 0x0000 − u16 framectr; // next frame's number will be ++framectr − u16 checksum; // crc16 of whole file − u16 hdrsize; // 0x18 − }; − − #define F_DIRNUM(f) (((f)&0x1)*100 + ((f)>>1)&0x7f) // 8bits (100-129) − #define F_ENTNUM(f) ((((f)>>11)&0x7f)+1) // 7bits (0-99) − #define F_STICKER(f) (((f)>>18)&0x3) − #define F_TYPE(f) (((f)>>20)&0x1) − typedef struct PIT_ENTRY sPIT_ENTRY; − struct PIT_ENTRY { − u32 date; − u8 dunno[8]; − 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)) − }; − − int main(int argc, char *argv[]) { − if(argc!=2) mexit(1, "Usage:\n\t%s <pit.bin>", argv[0]); − − char *fname = argv[1]; − FILE *fd = fopen(fname, "rb+"); − if(!fd) mexit(1, "Can't open file \"%s\"!", fname); − − fseek(fd, 0, SEEK_END); − unsigned fsize = ftell(fd); − rewind(fd); − − sPIT_HDR hdr; − − if(fread((void *)&hdr, 1, sizeof(sPIT_HDR), fd)!=sizeof(sPIT_HDR)) { − fclose(fd); − mexit(1, "Can't read file \"%s\"!", fname); − } − − printf("magic : \"%c%c%c%c\"\n", hdr.magic>>24, (hdr.magic>>16)&0xFF, (hdr.magic>>8)&0xFF, hdr.magic&0xFF); − printf("dunno1 : \"%c%c%c%c\"\n", hdr.dunno1&0xFF, (hdr.dunno1>>8)&0xFF, (hdr.dunno1>>16)&0xFF, hdr.dunno1>>24); − printf("slotsnum : %d\n", hdr.slotsnum); − printf("folderctr : %d%02d\n", hdr.msbfolderctr, hdr.lsbfolderctr); − printf("photoctr : %d\n", hdr.photoctr); − printf("framectr : %d\n", hdr.framectr); − printf("checksum : 0x%02x\n", hdr.checksum); − printf("headersize : %d\n", hdr.hdrsize); − − // jump after the header − fseek(fd, hdr.hdrsize, SEEK_SET); − − u32 i, photocnt=0, framecnt=0, offset; − sPIT_ENTRY entry; − for(i=0; i<hdr.slotsnum; i++) { − offset = ftell(fd); − if(fread((void *)&entry, 1, sizeof(sPIT_ENTRY), fd)!=sizeof(sPIT_ENTRY)) { − fclose(fd); − mexit(1, "Can't read file \"%s\" (after %d+%d valid entries)!", fname, photocnt, framecnt); − } − − if(!entry.date) continue; − − switch(F_TYPE(entry.flags)) { − case 0: // photo − photocnt++; − printf("-- photo%04d -- (slot%d in file)\n", photocnt, (offset-hdr.hdrsize)>>4); − break; − case 1: // frame − framecnt++; − printf("-- frame%04d -- (slot%d in file)\n", framecnt, (offset-hdr.hdrsize)>>4); − break; − default: − break; − } − − struct tm ttm; − time_t stm; − bzero(&ttm, sizeof(ttm)); − ttm.tm_year = 2000 - 1900; // 2000 − ttm.tm_mon = 0; // january − ttm.tm_mday = 1; // 1st − stm = mktime(&ttm); − stm += entry.date; − − printf(" date(UTC) : %s", asctime(gmtime(&stm))); − printf(" folder : %d\n", F_DIRNUM(entry.flags)); − printf(" number : %d\n", F_ENTNUM(entry.flags)); − − char fname[128]; − switch(F_TYPE(entry.flags)) { − case 0: − printf(" sticker : %d\n", F_STICKER(entry.flags)); − sprintf(fname, "/DCIM/%03dNIN02/HNI_%04d.JPG", F_DIRNUM(entry.flags), F_ENTNUM(entry.flags)); − break; − case 1: − sprintf(fname, "/private/ds/app/484E494A/DCIM/%03dNIN02/HNI_%04d.JPG", F_DIRNUM(entry.flags), F_ENTNUM(entry.flags)); − break; − default: − break; − } − − printf(" filename : %s\n", fname); − } − printf("The file contains %d photos and %d frames.\n", photocnt, framecnt); − − fclose(fd); − } − </source>
Talk:Private/ds/app/484E94*/pit.bin (view source)
Revision as of 00:48, 31 January 2011
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