Talk:PlayStation archive (PSARC)

PSARC structure notes

Debian psarc Kplugin structure. From Manuel Stahl (thymythos) @ http://opendesktop.org/content/show.php/PSARC+file+header?content=162745

<?xml version="1.0" encoding="UTF-8"?>

  <struct name="header">
    <primitive name="magic" type="UInt32" />
    <primitive name="version" type="UInt32" />
    <primitive name="compression" type="UInt32" />
    <primitive name="TOC length" type="UInt32" />
    <primitive name="TOC entry size" type="UInt32" />
    <primitive name="num_entries" type="UInt32" />
    <primitive name="max block size" type="UInt32" />
    <primitive name="archive flags" type="UInt32" />
    <array name="TOC" length="num_entries">
      <struct name="entry">
        <array name="MD5" length="16"><primitive type="UInt8"/></array>
        <primitive name="zIndex" type="UInt32" />
        <bitfield name="length" width="40" type="unsigned" />
        <bitfield name="offset" width="40" type="unsigned" />
      </struct>
    </array>
    <array name="block sizes" length="num_entries">
      <bitfield name="size" width="16" type="unsigned" />
    </array>
  </struct>

PSARC header example:

Offset(h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
00000000  50 53 41 52 00 01 00 04 7A 6C 69 62 00 01 23 BA  PSAR....zlib..#º
00000010  00 00 00 1E 00 00 09 16 00 01 00 00 00 00 00 02  ................

Offset	Size	Name	Example	Value (conversion)	Notes
0x00	0x04	magic	50 53 41 52	PSAR	PlayStation Archive
0x04	0x04	version	00 01 00 04	01.04?
0x08	0x04	compression type	7A 6C 69 62	zlib	zlib or lzma
0x0C	0x04	table of content length	00 01 23 BA
0x10	0x04	table of content entries size	00 00 00 1E
0x14	0x04	number of entries	00 00 09 16	2325+1 files
0x18	0x04	block size	00 01 00 00	65536 Bytes	block size per default is 64 KiB (65536 Bytes)
0x1C	0x04	archive flags	00 00 00 02	-