Difference between revisions of "Phtcache.bin"
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Line 15: | Line 15: | ||
|- | |- | ||
| 0xC | | 0xC | ||
− | | | + | | 0x2 |
− | | | + | | Total number of photo entries(including unused entries) stored here, this is normally value 3000 (500 on NAND). |
+ | |- | ||
+ | | 0xE | ||
+ | | 0x2 | ||
+ | | This u16 must be < 2, this is normally value 1 (0 for NAND). | ||
+ | |- | ||
+ | | 0x10 | ||
+ | | 0x2 | ||
+ | | Unknown, normally value zero. | ||
|- | |- | ||
| 0x12 | | 0x12 | ||
| 0x2 | | 0x2 | ||
− | | Total number of photos, excluding 2D dups. | + | | Total number of photos(used entries), excluding 2D dups. |
|- | |- | ||
| 0x14 | | 0x14 | ||
Line 28: | Line 36: | ||
| 0x16 | | 0x16 | ||
| 0x2 | | 0x2 | ||
− | | | + | | Size of this header, must be >=0x18(this is always value 0x18). |
|- | |- | ||
| 0x18 | | 0x18 | ||
− | | | + | | 0x98 * Number of Pictures |
| Pictures Property, index refereed by 3DS Camera | | Pictures Property, index refereed by 3DS Camera | ||
|} | |} | ||
+ | |||
+ | The phtcache.bin actual filesize must be at least the following size: hdrsizefield + totalstoredentries*0x98. | ||
== Pictures Property == | == Pictures Property == | ||
Line 93: | Line 103: | ||
| 0x4 | | 0x4 | ||
| File size | | File size | ||
+ | |- | ||
+ | | 0x50 | ||
+ | | 0x18*4 | ||
+ | | 4 blocks, where each block is 0x18-bytes. | ||
|} | |} |
Latest revision as of 18:10, 11 December 2014
File Header[edit]
Offset | Size | Description |
---|---|---|
0x0 | 0x8 | Always "1UJQ00_1" |
0x8 | 0x4 | Number of Pictures + 1 |
0xC | 0x2 | Total number of photo entries(including unused entries) stored here, this is normally value 3000 (500 on NAND). |
0xE | 0x2 | This u16 must be < 2, this is normally value 1 (0 for NAND). |
0x10 | 0x2 | Unknown, normally value zero. |
0x12 | 0x2 | Total number of photos(used entries), excluding 2D dups. |
0x14 | 0x2 | CRC16 over the entire file with this CRC field set to zero when calculating the CRC, with initialval=0 and polynomial=0xA001. |
0x16 | 0x2 | Size of this header, must be >=0x18(this is always value 0x18). |
0x18 | 0x98 * Number of Pictures | Pictures Property, index refereed by 3DS Camera |
The phtcache.bin actual filesize must be at least the following size: hdrsizefield + totalstoredentries*0x98.
Pictures Property[edit]
Offset | Size | Description |
---|---|---|
0x0 | 0x04 | Null-terminated file extension: MPO, JPG, or AVI. |
0x4 | 0x8 | Image file name, without the extension. |
0xC | 0x8 | Directory name under the DCIM directory. |
0x14 | 0x4 | Time taken based on "DS epoch" (start of 1/1/2000) (UNIX+946684800) |
0x1C | 0x4 | Time last viewed? |
0x24 | 0x4 | ? |
0x28 | 0x4 | ? |
0x2C | 0x4 | ? |
0x30 | 0x4 | ? |
0x34 | 0x4 | ? |
0x38 | 0x4 | ? |
0x3C | 0x4 | ? |
0x40 | 0x4 | File size |
0x50 | 0x18*4 | 4 blocks, where each block is 0x18-bytes. |