Phtcache.bin
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File Header
| 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. |
| 0xE | 0x2 | This u16 must be < 2, this is normally value 1. |
| 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 | Unknown, usually value 0x18? |
| 0x18 | 0x98 * Number of Pictures | Pictures Property, index refereed by 3DS Camera |
Pictures Property
| 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 |