Phtcache.bin - Revision history

Ichfly: /* File Header */

2014-12-11T16:10:29Z

File Header

← Older revision		Revision as of 19:10, 11 December 2014
Line 16:		Line 16:
	\| 0xC		\| 0xC
	\| 0x2		\| 0x2
	\| Total number of photo entries(including unused entries) stored here, this is normally value 3000.		\| Total number of photo entries(including unused entries) stored here, this is normally value 3000 (500 on NAND).
	\|-		\|-
	\| 0xE		\| 0xE
	\| 0x2		\| 0x2
	\| This u16 must be < 2, this is normally value 1.		\| This u16 must be < 2, this is normally value 1 (0 for NAND).
	\|-		\|-
	\| 0x10		\| 0x10

Yellows8: /* Pictures Property */

2013-11-07T03:05:48Z

Pictures Property

← Older revision		Revision as of 06:05, 7 November 2013
Line 103:		Line 103:
	\| 0x4		\| 0x4
	\| File size		\| File size
			\|-
			\| 0x50
			\| 0x18*4
			\| 4 blocks, where each block is 0x18-bytes.
	\|}		\|}

Yellows8 at 23:34, 6 November 2013

2013-11-06T22:34:49Z

← Older revision		Revision as of 01:34, 7 November 2013
Line 36:		Line 36:
	\| 0x16		\| 0x16
	\| 0x2		\| 0x2
	\| ~~Unknown~~, ~~usually~~ value 0x18?		\| Size of this header, must be >=0x18(this is always value 0x18).
	\|-		\|-
	\| 0x18		\| 0x18
Line 42:		Line 42:
	\| 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 ==

Yellows8 at 23:28, 6 November 2013

2013-11-06T22:28:52Z

← Older revision		Revision as of 01:28, 7 November 2013
Line 15:		Line 15:
	\|-		\|-
	\| 0xC		\| 0xC
	\| ~~0x6~~		\| 0x2
	\| ~~Always B8~~-0B-~~01-00-00-00~~		\| 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		\| 0x12
	\| 0x2		\| 0x2
	\| Total number of photos, excluding 2D dups.		\| Total number of photos(used entries), excluding 2D dups.
	\|-		\|-
	\| 0x14		\| 0x14
Line 31:		Line 39:
	\|-		\|-
	\| 0x18		\| 0x18
	\| ~~0x152~~ * Number of Pictures		\| 0x98 * Number of Pictures
	\| Pictures Property, index refereed by 3DS Camera		\| Pictures Property, index refereed by 3DS Camera
	\|}		\|}

Yellows8 at 23:17, 6 November 2013

2013-11-06T22:17:42Z

@@ Line 1: / Line 1: @@
 == File Header ==
 {| class="wikitable" border="1"
 |-
-! Name
+! Offset
 ! Size
 ! Description
 |-
-| Unknown
+| 0x0
-| 0x08
+| 0x8
-| always 1UJQ00_1
+| Always "1UJQ00_1"
 |-
-| Number of Pictures
+| 0x8
-| 0x04
+| 0x4
+| Number of Pictures + 1
 |-
-| Unknown
+| 0xC
-| 0x06
+| 0x6
 | Always B8-0B-01-00-00-00
 |-
-| Total number of photos
+| 0x12
-| 0x02
+| 0x2
-| excluding 2D dups
+| Total number of photos, excluding 2D dups.
 |-
-| Unknown
+| 0x16
-| 0x06
+| 0x2
-| File size ?
+| Unknown, usually value 0x18?
 |-
-| Pictures Property
+| 0x18
 | 0x152 * Number of Pictures
-| Index refereed by 3DS Camera
+| Pictures Property, index refereed by 3DS Camera
 |}
@@ Line 68: / Line 42: @@
 ! Description
 |-
-| Extension
+| 0x0
 | 0x04
+| Null-terminated file extension: MPO, JPG, or AVI.
 |-
 |}

Safirion at 00:13, 22 March 2013

2013-03-21T23:13:08Z

← Older revision		Revision as of 02:13, 22 March 2013
Line 73:		Line 73:
	\|-		\|-
	\|}		\|}

			== Infos ==

			'''The file seems to be guards against all external changes.'''

Safirion: /* File Header */

2013-03-21T13:03:55Z

File Header

← Older revision		Revision as of 16:03, 21 March 2013
Line 45:		Line 45:
	\| Unknown		\| Unknown
	\| 0x06		\| 0x06
	\| ~~seems to be static?~~		\| Always B8-0B-01-00-00-00
	\|-		\|-
	\| Total number of photos		\| Total number of photos
Line 53:		Line 53:
	\| Unknown		\| Unknown
	\| 0x06		\| 0x06
	\| File size?		\| File size ?
	\|-		\|-
	\| Pictures Property		\| Pictures Property

Safirion at 14:02, 21 March 2013

2013-03-21T13:02:26Z

← Older revision		Revision as of 16:02, 21 March 2013
Line 2:		Line 2:
	00000-00007: Header 1UJQ00_1		00000-00007: Header 1UJQ00_1
	00008-0000B: Number of pictures plus 1 (why?)		00008-0000B: Number of pictures plus 1 (why?)
	0000C-00011: Unknown value ~~(seems to be static?) B80B01000000~~		0000C-00011: Unknown static value : B8-0B-01-00-00-00
	00012-00013: Total number of photos (excluding 2D dups)		00012-00013: Total number of photos (excluding 2D dups)
	00014-00017: Appears to be file size. It's only 32 bits = 4GB max. A few hundred K		00014-00017: Appears to be file size. It's only 32 bits = 4GB max. A few hundred K
Line 13:		Line 13:
	( I have no clue, all these notes were probably worthless)		( 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:		From 0x0018, one block per picture. Each block is 0x152 bytes long and formatted as such:
	00000-00003: Preferred image file format. Should be MPO\x00 or ~~JPG~~\x00~~. The inner cam is the only~~		00000-00003: Preferred image file format. Should be MPO\x00, JPG\x00 or AVI\x00.
	~~one that will yield JPG. 3D pictures are taken even with screen switched to 2D~~.
	00004-0000B: Name of image		00004-0000B: Name of image
	0000C-00013: Subfolder of image		0000C-00013: Subfolder of image
Line 45:		Line 44:
	\|-		\|-
	\| Unknown		\| Unknown
	\| ~~0x05~~		\| 0x06
	\| seems to be static?		\| seems to be static?
	\|-		\|-
	\| Total number of photos		\| Total number of photos
	\| ~~0x01~~		\| 0x02
	\| excluding 2D dups		\| excluding 2D dups
	\|-		\|-
	\| Unknown		\| Unknown
	\| ~~0x05~~		\| 0x06
	\| File size?		\| File size?
	\|-		\|-
	\| Pictures Property		\| Pictures Property
	\| ~~0x98~~ * Number of Pictures		\| 0x152 * Number of Pictures
	\| Index refereed by 3DS Camera		\| Index refereed by 3DS Camera
	\|-		\|-
Line 74:		Line 73:
	\|-		\|-
	\|}		\|}

	~~! I made mistake.I will fix.~~

Matyapiro31: find myself mistaken but not resolve it.

2012-02-28T14:00:07Z

find myself mistaken but not resolve it.

← Older revision	Revision as of 17:00, 28 February 2012
Line 1:	Line 1:
		<pre>File header:
		00000-00007: Header 1UJQ00_1
		00008-0000B: Number of pictures plus 1 (why?)
		0000C-00011: Unknown value (seems to be static?) B80B01000000
		00012-00013: Total number of photos (excluding 2D dups)
		00014-00017: 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:
		00000-00003: 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.
		00004-0000B: Name of image
		0000C-00013: Subfolder of image
		00014-0001B: Time taken based on "DS epoch" (start of 1/1/2000) (UNIX+946684800)
		0001C-00023: Time last viewed?
		00024-00027: UNKNOWN
		00028-0002B: UNKNOWN
		0002C-0002D: UNKNOWN
		0002E-0002F: UNKNOWN
		00030-0003F: UNKNOWN
		00040-00043: 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"
		\|-
		! Offset
		! Size
		! Description
		\|-
		\| Extension
		\| 0x04
		\|
		\|-
		\|}

		! I made mistake.I will fix.

Matyapiro31: Blanked the page

2012-02-27T09:47:15Z

Blanked the page

← Older revision		Revision as of 12:47, 27 February 2012
Line 1:		Line 1:
	~~<pre>File header:~~
	~~00000-00007: Header 1UJQ00_1~~
	~~00008-0000B: Number of pictures plus 1 (why?)~~
	~~0000C-00011: Unknown value (seems to be static?) B80B01000000~~
	~~00012-00013: Total number of photos (excluding 2D dups)~~
	~~00014-00017: 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:~~
	~~00000-00003: 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.~~
	~~00004-0000B: Name of image~~
	~~0000C-00013: Subfolder of image~~
	~~00014-0001B: Time taken based on "DS epoch" (start of 1/1/2000) (UNIX+946684800)~~
	~~0001C-00023: Time last viewed?~~
	~~00024-00027: UNKNOWN~~
	~~00028-0002B: UNKNOWN~~
	~~0002C-0002D: UNKNOWN~~
	~~0002E-0002F: UNKNOWN~~
	~~00030-0003F: UNKNOWN~~
	~~00040-00043: 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~~
	\|
	\|-
	\|}