Difference between revisions of "Phtcache.bin"

@@ Line 1: / Line 1: @@
-<pre>File header:
--00007: Header 1UJQ00_1
--0000B: Number of pictures plus 1 (why?)
-C-00011: Unknown value (seems to be static?) B80B01000000
--00013: Total number of photos (excluding 2D dups)
--00017: Appears to be file size. It's only 32 bits = 4GB max. A few hundred K
-                larger than the actual size of every file in DCIM (?)
-                1607971 vs DCIM/100NIN = 1441792 vs DCIM = 147560 vs files = 1409024
-                vs non-disk usage = 1224857
-                phtcache non-disk = 456024, disk = 458752
-                phtcache (non) + files (non) = 1680881 - 1607971 = 72910 = 72K hmm...
-                maybe the 72910 is some kind of checksum?
-                ( I have no clue, all these notes were probably worthless)
-From 0x0018, one block per picture. Each block is 0x98 bytes long and formatted as such:
--00003: Preferred image file format. Should be MPO\x00 or JPG\x00. The inner cam is the only
-                one that will yield JPG. 3D pictures are taken even with screen switched to 2D.
--0000B: Name of image
-C-00013: Subfolder of image
--0001B: Time taken based on "DS epoch" (start of 1/1/2000) (UNIX+946684800)
-C-00023: Time last viewed?
--00027: UNKNOWN
--0002B: UNKNOWN
-C-0002D: UNKNOWN
-E-0002F: UNKNOWN
--0003F: UNKNOWN
--00043: File size
-</pre>
-== File Header ==
-{| class="wikitable" border="1"
-|-
-! Name
-! Size
-! Description
-|-
-| Unknown
-| 0x08
-| always 1UJQ00_1
-|-
-| Number of Pictures
-| 0x04
-|
-|-
-| Unknown
-| 0x05
-| seems to be static?
-|-
-| Total number of photos
-| 0x01
-| excluding 2D dups
-|-
-| Unknown
-| 0x05
-| File size?
-|-
-| Pictures Property
-| 0x98 * Number of Pictures
-| Index refereed by 3DS Camera
-|-
-|}
-== Pictures Property ==
-{| class="wikitable" border="1"
-|-
-! Name
-! Size
-! Description
-|-
-| Extension
-| 0x04
-|
-|-
-|}

Difference between revisions of "Phtcache.bin"

Revision as of 12:47, 27 February 2012

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